/* ===== ROOT VARIABLES ===== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --accent: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;

    --bg-dark: #0a0a0f;
    --bg-card: #12121a;
    --bg-card-hover: #1a1a25;
    --bg-gradient: linear-gradient(135deg, #0a0a0f 0%, #12121a 50%, #0f0f18 100%);

    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border-color: rgba(255, 255, 255, 0.1);
    --glow-primary: 0 0 40px rgba(99, 102, 241, 0.3);
    --glow-secondary: 0 0 40px rgba(14, 165, 233, 0.3);

    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 14px;
    overscroll-behavior: none;
}

html, body {
    max-width: 100vw;
    overflow-x: hidden;
}

body {
    font-family: var(--font-main);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    overscroll-behavior: none;
    -webkit-font-smoothing: subpixel-antialiased;
    -moz-osx-font-smoothing: auto;
    text-rendering: optimizeLegibility;
}

/* Prevent pull-to-refresh and handle touch properly */
.main-content {
    touch-action: pan-y;
    overscroll-behavior: none;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== LANGUAGE TOGGLE ===== */
.lang-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    display: flex;
    gap: 4px;
    background: rgba(18, 18, 26, 0.9);
    backdrop-filter: blur(10px);
    padding: 4px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.lang-btn {
    padding: 8px 14px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    letter-spacing: 0.05em;
}

.lang-btn:hover {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.1);
}

.lang-btn.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 10px rgba(99, 102, 241, 0.4);
}

@media (max-width: 768px) {
    .lang-toggle {
        top: 15px;
        right: 70px;
    }

    .lang-btn {
        padding: 6px 10px;
        font-size: 0.7rem;
    }
}

/* ===== PRELOADER ===== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.cube-loader {
    width: 60px;
    height: 60px;
    position: relative;
    transform-style: preserve-3d;
    animation: cubeRotate 2s infinite ease-in-out;
}

.cube-face {
    position: absolute;
    width: 60px;
    height: 60px;
    border: 2px solid var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.cube-face.front { transform: translateZ(30px); }
.cube-face.back { transform: translateZ(-30px) rotateY(180deg); }
.cube-face.right { transform: translateX(30px) rotateY(90deg); }
.cube-face.left { transform: translateX(-30px) rotateY(-90deg); }
.cube-face.top { transform: translateY(-30px) rotateX(90deg); }
.cube-face.bottom { transform: translateY(30px) rotateX(-90deg); }

@keyframes cubeRotate {
    0%, 100% { transform: rotateX(0deg) rotateY(0deg); }
    25% { transform: rotateX(90deg) rotateY(90deg); }
    50% { transform: rotateX(180deg) rotateY(180deg); }
    75% { transform: rotateX(270deg) rotateY(270deg); }
}

.loader-text {
    margin-top: 30px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--primary);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: 15px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.btn-ai-chat {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--radius-xl);
    font-weight: 600;
    transition: all var(--transition-normal);
    box-shadow: var(--glow-primary);
}

.btn-ai-chat:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px rgba(99, 102, 241, 0.5);
}

.ai-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
}

/* ===== MAIN SECTIONS - 3D CUBE SCROLL ===== */
.main-content {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    perspective: 2000px;
    perspective-origin: 50% 50%;
}

.cube-container {
    position: absolute;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 2.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.cube-section {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: block;
    overflow-y: auto;
    overflow-x: hidden;
    backface-visibility: hidden;
    background: var(--bg-dark);
    -webkit-overflow-scrolling: touch;
}

.cube-section::-webkit-scrollbar {
    width: 6px;
}

.cube-section::-webkit-scrollbar-track {
    background: transparent;
}

.cube-section::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.3);
    border-radius: 3px;
}

.cube-section::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.5);
}

/* Position sections as cube faces - DESKTOP ONLY */
@media (min-width: 1025px) {
    .cube-section:nth-child(1) {
        /* Front face - Hero */
        transform: rotateX(0deg) translateZ(50vh);
    }

    .cube-section:nth-child(2) {
        /* Over Ons */
        transform: rotateX(90deg) translateZ(50vh);
    }

    .cube-section:nth-child(3) {
        /* Waarom Wij */
        transform: rotateX(180deg) translateZ(50vh);
    }

    .cube-section:nth-child(4) {
        /* Portfolio */
        transform: rotateX(270deg) translateZ(50vh);
    }

    .cube-section:nth-child(5) {
        /* Contact - right side of cube */
        transform: rotateY(90deg) translateZ(50vh);
    }
}

.cube-wrapper {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.cube-transition {
    transition: opacity 0.5s ease;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.section-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 40px;
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* ===== CUBE NAVIGATION INDICATOR ===== */
.cube-nav {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.cube-nav-dot {
    width: 14px;
    height: 14px;
    border: 2px solid var(--primary);
    border-radius: 3px;
    background: transparent;
    cursor: pointer;
    transition: all 0.4s ease;
    position: relative;
}

.cube-nav-dot:hover {
    background: rgba(99, 102, 241, 0.3);
    transform: scale(1.2) rotate(45deg);
}

.cube-nav-dot.active {
    background: var(--primary);
    transform: rotate(45deg);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.6);
}

.cube-nav-dot::before {
    content: attr(data-label);
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.cube-nav-dot:hover::before {
    opacity: 1;
}

/* Cube rotating indicator during transition */
.cube-rotating-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 600;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cube-rotating-indicator.active {
    opacity: 1;
}

.rotating-cube {
    width: 80px;
    height: 80px;
    position: relative;
    transform-style: preserve-3d;
}

.rotating-cube.spin-down {
    animation: spinDown 2.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.rotating-cube.spin-up {
    animation: spinUp 2.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.rotating-cube.spin-right {
    animation: spinRight 2.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.rotate-face {
    position: absolute;
    width: 80px;
    height: 80px;
    border: 2px solid var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(14, 165, 233, 0.15) 100%);
}

.rotate-face.r-front { transform: translateZ(40px); }
.rotate-face.r-back { transform: translateZ(-40px) rotateY(180deg); }
.rotate-face.r-right { transform: translateX(40px) rotateY(90deg); }
.rotate-face.r-left { transform: translateX(-40px) rotateY(-90deg); }
.rotate-face.r-top { transform: translateY(-40px) rotateX(90deg); }
.rotate-face.r-bottom { transform: translateY(40px) rotateX(-90deg); }

@keyframes spinDown {
    0% { transform: rotateX(0deg); }
    100% { transform: rotateX(90deg); }
}

@keyframes spinUp {
    0% { transform: rotateX(0deg); }
    100% { transform: rotateX(-90deg); }
}

@keyframes spinRight {
    0% { transform: rotateY(0deg); }
    100% { transform: rotateY(-90deg); }
}

/* Scroll hint */
.scroll-hint {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 800;
    color: var(--text-muted);
    font-size: 0.875rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.scroll-hint.hidden {
    opacity: 0;
}

/* Desktop shows scroll text, mobile shows swipe text */
.hint-text-mobile {
    display: none;
}

.hint-text-desktop {
    display: inline;
}

.scroll-hint-cube {
    width: 24px;
    height: 24px;
    border: 2px solid var(--primary);
    animation: hintRotate 3s ease-in-out infinite;
    transform-style: preserve-3d;
}

@keyframes hintRotate {
    0%, 100% { transform: rotateX(0deg); }
    50% { transform: rotateX(45deg); }
}

/* ===== HERO SECTION ===== */
.hero {
    background: var(--bg-gradient);
}

.hero-content {
    flex: 1;
    max-width: 650px;
}

.hero .section-content {
    display: flex;
    align-items: center;
    gap: 80px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
}

.title-line {
    display: block;
}

.highlight {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    box-shadow: var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 60px rgba(99, 102, 241, 0.5);
}

.btn-primary svg {
    width: 20px;
    height: 20px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.hero-stats {
    display: flex;
    gap: 50px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Hero Visual */
.hero-visual {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 400px;
}

.floating-cube {
    position: relative;
    width: 160px;
    height: 160px;
    transform-style: preserve-3d;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotateX(0deg) rotateY(0deg); }
    50% { transform: translateY(-20px) rotateX(10deg) rotateY(10deg); }
}

.cube-3d {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: cubeRotateSlow 20s linear infinite;
}

@keyframes cubeRotateSlow {
    0% { transform: rotateX(0deg) rotateY(0deg); }
    100% { transform: rotateX(360deg) rotateY(360deg); }
}

.face {
    position: absolute;
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    border: 2px solid var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(14, 165, 233, 0.15) 100%);
}

.face.front { transform: translateZ(80px); }
.face.back { transform: translateZ(-80px) rotateY(180deg); }
.face.right { transform: translateX(80px) rotateY(90deg); }
.face.left { transform: translateX(-80px) rotateY(-90deg); }
.face.top { transform: translateY(-80px) rotateX(90deg); }
.face.bottom { transform: translateY(80px) rotateX(-90deg); }

.orbit-ring {
    position: absolute;
    width: 280px;
    height: 280px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    animation: orbit 10s linear infinite;
}

@keyframes orbit {
    from { transform: rotateZ(0deg); }
    to { transform: rotateZ(360deg); }
}

.particle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    animation: particleFloat 4s ease-in-out infinite;
}

.particle-1 { top: 20%; left: 20%; animation-delay: 0s; }
.particle-2 { top: 60%; right: 20%; animation-delay: 1s; }
.particle-3 { bottom: 20%; left: 30%; animation-delay: 2s; }

@keyframes particleFloat {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.5); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

.scroll-arrow {
    width: 30px;
    height: 50px;
    border: 2px solid var(--border-color);
    border-radius: 20px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 10px;
    background: var(--primary);
    border-radius: 2px;
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(20px); }
}

/* ===== ABOUT SECTION ===== */
.about {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0d0d15 100%);
}

.section-header {
    margin-bottom: 50px;
    width: 100%;
}

.section-header.center {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    line-height: 1.6;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: start;
    width: 100%;
}

.about-intro {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    width: 100%;
}

.value-card {
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.value-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateY(-5px);
}

.value-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(14, 165, 233, 0.2) 100%);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.value-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.value-card h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    margin-bottom: 10px;
}

.value-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* About Visual */
.about-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-cube-stack {
    position: relative;
    transform-style: preserve-3d;
    animation: stackFloat 8s ease-in-out infinite;
}

@keyframes stackFloat {
    0%, 100% { transform: rotateX(-20deg) rotateY(-20deg); }
    50% { transform: rotateX(-20deg) rotateY(20deg); }
}

.stack-cube {
    position: absolute;
    border: 2px solid var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
}

.cube-1 {
    width: 100px;
    height: 100px;
    transform: translateZ(0px);
}

.cube-2 {
    width: 140px;
    height: 140px;
    top: -20px;
    left: -20px;
    transform: translateZ(-50px);
    opacity: 0.7;
}

.cube-3 {
    width: 180px;
    height: 180px;
    top: -40px;
    left: -40px;
    transform: translateZ(-100px);
    opacity: 0.4;
}

.about-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 2px 2px, rgba(99, 102, 241, 0.15) 1px, transparent 0);
    background-size: 40px 40px;
    opacity: 0.5;
}

/* ===== WHY US SECTION ===== */
.why-us {
    background: var(--bg-gradient);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    width: 100%;
    max-width: 1100px;
}

.benefit-card {
    position: relative;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.benefit-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-5px);
}

.benefit-card:hover::before {
    transform: scaleX(1);
}

.benefit-number {
    position: absolute;
    top: 16px;
    right: 16px;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: rgba(99, 102, 241, 0.1);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(14, 165, 233, 0.2) 100%);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.benefit-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary);
}

.benefit-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio {
    background: linear-gradient(180deg, #0d0d15 0%, var(--bg-dark) 100%);
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    width: 100%;
}

.filter-btn {
    padding: 10px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
    width: 100%;
    max-width: 1100px;
}

.portfolio-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px;
    color: var(--text-secondary);
}

.loading-cube {
    width: 40px;
    height: 40px;
    margin: 0 auto 20px;
    border: 2px solid var(--primary);
    animation: cubeRotate 2s infinite ease-in-out;
}

.project-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--glow-primary);
}

.project-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(14, 165, 233, 0.2) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-placeholder {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    opacity: 0.5;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 20px;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-xl);
    font-weight: 600;
    transition: all var(--transition-normal);
}

.project-link:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.project-link svg {
    flex-shrink: 0;
}

/* Live Website Preview */
.project-preview {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
}

.preview-iframe-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.preview-iframe-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 300%;
    height: 300%;
    transform: scale(0.333);
    transform-origin: top left;
    border: none;
    pointer-events: none;
    background: var(--bg-dark);
}

.preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 20px;
}

.project-card:hover .preview-overlay {
    opacity: 1;
}

.preview-overlay .project-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.9rem;
}

.preview-overlay .project-link svg {
    flex-shrink: 0;
}

.project-content {
    padding: 24px;
}

.project-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: 12px;
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    padding: 4px 10px;
    background: var(--bg-dark);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Text-based Project Cards (no images) */
.project-card-text {
    display: flex;
    flex-direction: column;
    min-height: 280px;
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(99, 102, 241, 0.03) 100%);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.project-card-text:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

.project-card-text .project-header {
    padding: 20px 24px 0 24px;
}

.project-type-badge {
    display: inline-block;
    padding: 6px 14px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(14, 165, 233, 0.15) 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-xl);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.project-card-text .project-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 16px 24px 24px 24px;
}

.project-card-text .project-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.project-card-text .project-description {
    flex: 1;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.project-card-text .project-tech {
    margin-bottom: 20px;
}

.project-visit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    margin-top: auto;
    width: 100%;
}

.project-visit-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.project-visit-btn svg {
    transition: transform var(--transition-normal);
}

.project-visit-btn:hover svg {
    transform: translate(2px, -2px);
}

.project-featured {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 12px;
    background: linear-gradient(135deg, var(--accent) 0%, #d97706 100%);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== CONTACT SECTION ===== */
.contact {
    background: var(--bg-gradient);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    align-items: start;
    width: 100%;
    max-width: 1000px;
}

.contact-info h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.contact-method svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.contact-cta {
    padding: 24px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.contact-cta p {
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group {
    position: relative;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group label {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    transition: all var(--transition-normal);
}

.form-group textarea + label {
    top: 20px;
    transform: none;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 16px;
    font-size: 0.75rem;
    background: var(--bg-card);
    padding: 0 8px;
    color: var(--primary);
}

.contact-form .btn-primary {
    grid-column: 1 / -1;
    justify-content: center;
}

.contact-footer {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.contact-footer p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== CHAT WIDGET ===== */
.chat-widget {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 400px;
    height: 550px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all var(--transition-normal);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.chat-widget.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-avatar .ai-icon {
    background: transparent;
    font-size: 0.875rem;
}

.chat-header-text h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    color: white;
}

.status-online {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-online::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
}

.chat-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: background var(--transition-fast);
}

.chat-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.chat-close svg {
    width: 18px;
    height: 18px;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-message {
    display: flex;
    gap: 12px;
    max-width: 85%;
}

.chat-message.user {
    margin-left: auto;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.message-avatar .ai-icon {
    font-size: 0.7rem;
    background: transparent;
}

.chat-message.user .message-avatar {
    background: var(--secondary);
}

.message-content {
    background: var(--bg-dark);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    border-top-left-radius: 4px;
}

.chat-message.user .message-content {
    background: var(--primary);
    border-radius: var(--radius-md);
    border-top-right-radius: 4px;
}

.message-content p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 8px;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.chat-input-wrapper {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
}

.chat-form {
    display: flex;
    gap: 12px;
}

#chat-input {
    flex: 1;
    padding: 12px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all var(--transition-normal);
}

#chat-input:focus {
    outline: none;
    border-color: var(--primary);
}

.chat-send {
    width: 44px;
    height: 44px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all var(--transition-normal);
}

.chat-send:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.chat-send svg {
    width: 18px;
    height: 18px;
}

/* Chat Toggle Button */
.chat-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--radius-xl);
    font-weight: 600;
    z-index: 1000;
    transition: all var(--transition-normal);
    box-shadow: var(--glow-primary);
}

.chat-toggle:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 60px rgba(99, 102, 241, 0.5);
}

.chat-toggle .ai-icon {
    background: rgba(255, 255, 255, 0.2);
}

/* ===== FOOTER ===== */
.footer {
    background: #050508;
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.footer-brand {
    text-align: center;
}

.footer-brand .logo-text {
    font-size: 1.25rem;
    margin-bottom: 10px;
    display: block;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: 40px;
}

.footer-links a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    width: 100%;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== QUOTE CARD (In Chat) ===== */
.quote-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
    border: 1px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-top: 12px;
}

.quote-card h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--primary);
}

.quote-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.875rem;
}

.quote-row span:first-child {
    color: var(--text-secondary);
}

.quote-row span:last-child {
    font-weight: 600;
}

.quote-row.savings span:last-child {
    color: var(--success);
}

.quote-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.quote-btn {
    flex: 1;
    padding: 10px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.quote-btn.primary {
    background: var(--primary);
    color: white;
}

.quote-btn.secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.quote-savings {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    padding: 10px;
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 600;
    margin-top: 12px;
}

.quote-deposit {
    display: flex;
    justify-content: space-between;
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    margin-top: 10px;
    font-size: 0.9rem;
}

/* ===== CHAT CHOICES ===== */
.chat-choices {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 16px;
}

.chat-choice-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    width: 100%;
}

.chat-choice-btn:hover:not(:disabled) {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
    transform: translateX(4px);
}

.chat-choice-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.chat-choice-btn.selected {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.15);
}

.chat-choice-btn .choice-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.chat-choice-btn .choice-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.chat-choice-btn .choice-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    color: var(--primary-light);
}

.chat-choice-btn .choice-icon svg {
    width: 18px;
    height: 18px;
}

.chat-choice-btn:hover:not(:disabled) .choice-icon {
    background: rgba(99, 102, 241, 0.25);
    color: var(--primary);
}

.chat-choice-btn.selected .choice-icon {
    background: var(--primary);
    color: white;
}

/* Multi-select styles */
.chat-choices.multi-select {
    flex-direction: row;
    flex-wrap: wrap;
}

.chat-choices.multi-select .chat-choice-btn.toggleable {
    flex: 1 1 calc(50% - 5px);
    min-width: 140px;
    position: relative;
}

.chat-choices.multi-select .chat-choice-btn.toggleable::before {
    content: '';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.chat-choices.multi-select .chat-choice-btn.toggleable.selected::before {
    background: var(--primary);
    border-color: var(--primary);
}

.chat-choices.multi-select .chat-choice-btn.toggleable.selected::after {
    content: '✓';
    position: absolute;
    top: 10px;
    right: 14px;
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.chat-choices.multi-select .continue-btn {
    flex: 1 1 100%;
    margin-top: 8px;
    background: var(--primary);
    border-color: var(--primary);
    justify-content: center;
    align-items: center;
}

.chat-choices.multi-select .continue-btn .choice-label {
    color: white;
}

.chat-choices.multi-select .continue-btn:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: none;
}

/* Terms checkbox styles */
.chat-terms-box {
    margin: 16px 0;
    padding: 16px;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-md);
}

.chat-terms-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
}

.chat-terms-checkbox {
    width: 22px;
    height: 22px;
    min-width: 22px;
    margin-top: 2px;
    accent-color: var(--primary);
    cursor: pointer;
}

.chat-terms-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.chat-choice-btn.requires-terms:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    border-color: var(--border-color);
}

.chat-choice-btn.requires-terms:not(:disabled) {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

/* ===== CHAT CONTACT FORM ===== */
.chat-contact-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.chat-form-group input {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.2s ease;
}

.chat-form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.chat-form-group input::placeholder {
    color: var(--text-muted);
}

.chat-form-group input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.chat-submit-btn {
    padding: 14px 20px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.chat-submit-btn:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.chat-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ===== TYPING INDICATOR ===== */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 12px 16px;
    background: var(--bg-dark);
    border-radius: var(--radius-md);
    width: fit-content;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typingBounce {
    0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
    40% { transform: scale(1); opacity: 1; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .about-values {
        grid-template-columns: 1fr;
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 24px;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
    }

    .nav-menu.open {
        right: 0;
    }

    .nav-menu .nav-link {
        font-size: 1.5rem;
        font-weight: 600;
        padding: 12px 24px;
        border-radius: var(--radius-lg);
        transition: all 0.3s ease;
    }

    .nav-menu .nav-link:hover,
    .nav-menu .nav-link.active {
        background: rgba(99, 102, 241, 0.15);
        color: var(--primary-light);
    }

    .nav-menu .nav-link::after {
        display: none;
    }

    .nav-menu .btn-ai-chat {
        margin-top: 20px;
        padding: 16px 32px;
        font-size: 1rem;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
        background: rgba(99, 102, 241, 0.1);
        border-radius: var(--radius-md);
        transition: all 0.3s ease;
    }

    .nav-toggle:active {
        transform: scale(0.95);
        background: rgba(99, 102, 241, 0.2);
    }

    .nav-toggle span {
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        transform-origin: center;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }

    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .hero .section-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        max-width: none;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        height: 300px;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .about-visual {
        display: none;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    /* Cube adjustments for tablets */
    .main-content {
        perspective: 1500px;
    }

    .cube-container {
        transition: transform 2s cubic-bezier(0.4, 0, 0.2, 1);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 16px;
        -webkit-text-size-adjust: 100%;
    }

    /* MOBILE: Clean responsive layout - no 3D */
    body {
        overflow-y: auto !important;
        overflow-x: hidden !important;
        position: relative;
        width: 100%;
        min-height: 100vh;
        min-height: 100dvh;
        /* Safe area for notches */
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }

    .main-content {
        position: relative !important;
        width: 100%;
        height: auto !important;
        min-height: auto;
        perspective: none !important;
        overflow: visible !important;
        transform: none !important;
    }

    .cube-container {
        position: relative !important;
        width: 100%;
        height: auto !important;
        transform: none !important;
        transform-style: flat !important;
        display: flex;
        flex-direction: column;
    }

    .cube-section {
        position: relative !important;
        width: 100% !important;
        height: auto !important;
        min-height: auto !important;
        transform: none !important;
        backface-visibility: visible !important;
        overflow: visible !important;
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    /* Override all nth-child transforms on mobile */
    .cube-section:nth-child(1),
    .cube-section:nth-child(2),
    .cube-section:nth-child(3),
    .cube-section:nth-child(4),
    .cube-section:nth-child(5) {
        position: relative !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        backface-visibility: visible !important;
        -webkit-backface-visibility: visible !important;
        transform-style: flat !important;
        -webkit-transform-style: flat !important;
        transition: none !important;
    }

    /* Disable all 3D effects on mobile */
    .cube-wrapper,
    .cube-transition,
    .section-content {
        min-height: auto;
        display: block;
        transform: none !important;
        transform-style: flat !important;
        -webkit-transform-style: flat !important;
        perspective: none !important;
        backface-visibility: visible !important;
        -webkit-backface-visibility: visible !important;
        transition: none !important;
    }

    /* Hide 3D navigation elements */
    .cube-nav,
    .cube-rotating-indicator,
    .scroll-hint {
        display: none !important;
    }

    .section-content {
        padding: 90px 20px 60px;
        min-height: auto;
        box-sizing: border-box;
        width: 100%;
        max-width: 100%;
    }

    .section-header {
        margin-bottom: 32px;
    }

    .nav-container {
        padding: 0 16px;
    }

    /* Navbar mobile - improved */
    .navbar {
        padding: 12px 0;
        background: rgba(10, 10, 15, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        padding-top: calc(12px + env(safe-area-inset-top));
    }

    .logo-text {
        font-size: 1.2rem;
        letter-spacing: 0.12em;
    }

    /* Hero mobile - force visibility with improved styling */
    .cube-section.hero {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        transform: none !important;
        height: auto !important;
        min-height: auto !important;
        overflow: visible !important;
        background: var(--bg-gradient) !important;
        z-index: 1 !important;
    }

    .hero .cube-wrapper,
    .hero .cube-transition {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        transform: none !important;
        height: auto !important;
    }

    .hero .section-content {
        padding: 100px 24px 50px 24px;
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        flex-direction: column;
        text-align: center;
        gap: 24px;
        min-height: calc(100vh - 60px);
        min-height: calc(100dvh - 60px);
        justify-content: center;
        align-items: center;
    }

    .hero-content {
        max-width: 100%;
        order: 2;
    }

    .hero-badge {
        font-size: 0.8rem;
        padding: 8px 16px;
        margin-bottom: 16px;
        display: inline-block;
        background: rgba(99, 102, 241, 0.15);
        border: 1px solid rgba(99, 102, 241, 0.3);
        animation: fadeInUp 0.6s ease forwards;
    }

    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .hero-title {
        font-size: 2rem;
        margin-bottom: 20px;
        line-height: 1.15;
        animation: fadeInUp 0.6s ease 0.1s forwards;
        opacity: 0;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 28px;
        max-width: 100%;
        line-height: 1.7;
        color: var(--text-secondary);
        animation: fadeInUp 0.6s ease 0.2s forwards;
        opacity: 0;
    }

    .hero-cta {
        display: flex;
        flex-direction: column;
        gap: 14px;
        margin-bottom: 36px;
        width: 100%;
        max-width: 320px;
        animation: fadeInUp 0.6s ease 0.3s forwards;
        opacity: 0;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
        padding: 16px 28px;
        font-size: 1rem;
        border-radius: var(--radius-lg);
        min-height: 54px;
        /* Better touch feedback */
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }

    .btn-primary:active,
    .btn-secondary:active {
        transform: scale(0.98);
    }

    .hero-stats {
        display: flex;
        justify-content: center;
        gap: 32px;
        flex-wrap: wrap;
        animation: fadeInUp 0.6s ease 0.4s forwards;
        opacity: 0;
        padding: 24px;
        background: rgba(18, 18, 26, 0.6);
        border-radius: var(--radius-lg);
        border: 1px solid var(--border-color);
    }

    .stat-item {
        text-align: center;
    }

    .stat-number {
        font-size: 1.75rem;
        display: block;
    }

    .stat-label {
        font-size: 0.8rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    .hero-visual {
        height: 200px;
        order: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        margin-bottom: 10px;
    }

    .floating-cube {
        width: 100px;
        height: 100px;
    }

    .face {
        width: 100px;
        height: 100px;
        font-size: 0.9rem;
    }

    .face.front { transform: translateZ(50px); }
    .face.back { transform: translateZ(-50px) rotateY(180deg); }
    .face.right { transform: translateX(50px) rotateY(90deg); }
    .face.left { transform: translateX(-50px) rotateY(-90deg); }
    .face.top { transform: translateY(-50px) rotateX(90deg); }
    .face.bottom { transform: translateY(50px) rotateX(-90deg); }

    .orbit-ring {
        width: 180px;
        height: 180px;
        border-width: 2px;
    }

    .particle {
        width: 8px;
        height: 8px;
    }

    /* Section headers mobile - enhanced */
    .section-header {
        margin-bottom: 28px;
    }

    .section-header.center {
        text-align: center;
    }

    .section-badge {
        font-size: 0.75rem;
        padding: 8px 16px;
        margin-bottom: 14px;
        letter-spacing: 0.05em;
        font-weight: 600;
    }

    .section-title {
        font-size: 1.6rem;
        margin-bottom: 12px;
        line-height: 1.2;
    }

    .section-subtitle {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    /* About section mobile - enhanced */
    .cube-section.about {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        transform: none !important;
        height: auto !important;
        min-height: auto !important;
        overflow: visible !important;
        background: linear-gradient(180deg, var(--bg-dark) 0%, #0d0d15 100%) !important;
        z-index: 1 !important;
    }

    .about .cube-wrapper,
    .about .cube-transition,
    .about .section-content {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        transform: none !important;
        height: auto !important;
    }

    .about .section-content {
        padding-top: 70px;
    }

    .about-grid {
        display: block !important;
        width: 100%;
        visibility: visible !important;
        opacity: 1 !important;
    }

    .about-text {
        display: block !important;
        width: 100%;
        visibility: visible !important;
        opacity: 1 !important;
    }

    .about-intro {
        display: block !important;
        font-size: 1rem;
        margin-bottom: 28px;
        line-height: 1.8;
        color: var(--text-secondary);
        text-align: center;
    }

    .about-values {
        display: grid !important;
        grid-template-columns: 1fr;
        gap: 16px;
        width: 100%;
    }

    .value-card {
        display: flex !important;
        flex-direction: row;
        align-items: flex-start;
        gap: 16px;
        padding: 20px;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        transition: all 0.3s ease;
        -webkit-tap-highlight-color: transparent;
    }

    .value-card:active {
        transform: scale(0.98);
        border-color: var(--primary);
    }

    .value-icon {
        display: flex !important;
        width: 48px;
        height: 48px;
        min-width: 48px;
        margin-bottom: 0;
        border-radius: var(--radius-md);
    }

    .value-icon svg {
        width: 22px;
        height: 22px;
    }

    .value-card h3 {
        font-size: 1.05rem;
        margin-bottom: 6px;
        color: var(--text-primary);
    }

    .value-card p {
        font-size: 0.9rem;
        line-height: 1.6;
        color: var(--text-secondary);
    }

    .about-visual {
        display: none !important;
    }

    /* Why Us section mobile - enhanced */
    .cube-section.why-us {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        transform: none !important;
        height: auto !important;
        min-height: auto !important;
        overflow: visible !important;
        background: var(--bg-gradient) !important;
        z-index: 2 !important;
    }

    .why-us .cube-wrapper,
    .why-us .cube-transition,
    .why-us .section-content {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        transform: none !important;
        height: auto !important;
    }

    .why-us .section-content {
        padding-top: 70px;
    }

    .benefits-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .benefit-card {
        padding: 24px 20px;
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        border: 1px solid var(--border-color);
        position: relative;
        overflow: hidden;
        transition: all 0.3s ease;
        -webkit-tap-highlight-color: transparent;
    }

    .benefit-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 4px;
        height: 100%;
        background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .benefit-card:active {
        transform: scale(0.98);
    }

    .benefit-card:active::before {
        opacity: 1;
    }

    .benefit-number {
        font-size: 2rem;
        top: 16px;
        right: 16px;
        color: rgba(99, 102, 241, 0.15);
    }

    .benefit-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 16px;
        border-radius: var(--radius-md);
    }

    .benefit-icon svg {
        width: 24px;
        height: 24px;
    }

    .benefit-card h3 {
        font-size: 1.1rem;
        margin-bottom: 10px;
        color: var(--text-primary);
    }

    .benefit-card p {
        font-size: 0.9rem;
        line-height: 1.6;
        color: var(--text-secondary);
    }

    /* Portfolio mobile - enhanced */
    .cube-section.portfolio {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        transform: none !important;
        height: auto !important;
        min-height: auto !important;
        overflow: visible !important;
        background: linear-gradient(180deg, #0d0d15 0%, var(--bg-dark) 100%) !important;
        z-index: 3 !important;
    }

    .portfolio .cube-wrapper,
    .portfolio .cube-transition,
    .portfolio .section-content {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        transform: none !important;
        height: auto !important;
    }

    .portfolio .section-content {
        padding-top: 70px;
    }

    .portfolio-filter {
        display: flex;
        gap: 10px;
        margin-bottom: 28px;
        flex-wrap: wrap;
        justify-content: center;
        padding: 0 10px;
    }

    .filter-btn {
        padding: 10px 18px;
        font-size: 0.85rem;
        border-radius: var(--radius-lg);
        font-weight: 500;
        min-height: 44px;
        -webkit-tap-highlight-color: transparent;
        transition: all 0.2s ease;
    }

    .filter-btn:active {
        transform: scale(0.95);
    }

    .portfolio-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .project-card {
        border-radius: var(--radius-lg);
        overflow: hidden;
        -webkit-tap-highlight-color: transparent;
    }

    .project-card:active {
        transform: scale(0.98);
    }

    .project-image,
    .project-preview {
        height: 180px;
    }

    .preview-iframe-container iframe {
        width: 400%;
        height: 400%;
        transform: scale(0.25);
    }

    .preview-overlay {
        opacity: 1;
        background: linear-gradient(to bottom, transparent 40%, rgba(0, 0, 0, 0.85) 100%);
    }

    .preview-overlay .project-link {
        padding: 10px 20px;
        font-size: 0.85rem;
        min-height: 44px;
    }

    .project-content {
        padding: 18px;
    }

    .project-category {
        font-size: 0.75rem;
        padding: 5px 10px;
        margin-bottom: 10px;
    }

    .project-title {
        font-size: 1.1rem;
        margin-bottom: 8px;
    }

    .project-description {
        font-size: 0.9rem;
        margin-bottom: 14px;
        line-height: 1.6;
    }

    .tech-tag {
        font-size: 0.75rem;
        padding: 5px 10px;
    }

    .project-visit-btn {
        min-height: 48px;
        font-size: 0.9rem;
    }

    /* Contact mobile - enhanced */
    .cube-section.contact {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        transform: none !important;
        height: auto !important;
        min-height: auto !important;
        overflow: visible !important;
        background: var(--bg-gradient) !important;
        z-index: 4 !important;
    }

    .contact .cube-wrapper,
    .contact .cube-transition,
    .contact .section-content {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        transform: none !important;
        height: auto !important;
    }

    .contact .section-content {
        padding-top: 70px;
        padding-bottom: calc(50px + env(safe-area-inset-bottom));
    }

    .contact-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .contact-info h3 {
        font-size: 1.2rem;
        margin-bottom: 14px;
    }

    .contact-info > p {
        font-size: 0.95rem;
        margin-bottom: 24px;
        line-height: 1.7;
    }

    .contact-methods {
        display: flex;
        flex-direction: column;
        gap: 14px;
        margin-bottom: 24px;
    }

    .contact-method {
        padding: 16px;
        gap: 14px;
        font-size: 0.95rem;
        border-radius: var(--radius-lg);
        -webkit-tap-highlight-color: transparent;
        transition: all 0.2s ease;
    }

    .contact-method:active {
        transform: scale(0.98);
        border-color: var(--primary);
    }

    .contact-method svg {
        width: 22px;
        height: 22px;
    }

    .contact-cta {
        padding: 24px;
        border-radius: var(--radius-lg);
        text-align: center;
    }

    .contact-cta p {
        font-size: 0.95rem;
        margin-bottom: 18px;
        line-height: 1.6;
    }

    .contact-cta .btn-primary {
        display: inline-flex;
        width: auto;
        min-width: 200px;
    }

    .contact-form-wrapper {
        padding: 24px 20px;
        border-radius: var(--radius-lg);
    }

    .contact-form {
        display: grid;
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .form-group input,
    .form-group textarea {
        padding: 16px 18px;
        font-size: 16px; /* Prevent iOS zoom */
        border-radius: var(--radius-md);
        min-height: 54px;
        background: var(--bg-dark);
    }

    .form-group textarea {
        min-height: 120px;
    }

    .form-group label {
        font-size: 0.9rem;
    }

    .contact-form .btn-primary {
        min-height: 56px;
        font-size: 1rem;
        margin-top: 8px;
    }

    .contact-footer {
        margin-top: 36px;
        padding-top: 24px;
    }

    .contact-footer p {
        font-size: 0.85rem;
    }

    /* Chat widget mobile - enhanced */
    .chat-widget {
        position: fixed;
        width: calc(100% - 24px);
        max-width: 420px;
        right: 12px;
        left: 12px;
        bottom: calc(80px + env(safe-area-inset-bottom));
        height: 65vh;
        max-height: 520px;
        border-radius: var(--radius-lg);
        z-index: 1001;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    }

    .chat-header {
        padding: 18px 16px;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }

    .chat-avatar {
        width: 40px;
        height: 40px;
    }

    .chat-header-text h4 {
        font-size: 1rem;
        font-weight: 600;
    }

    .chat-close {
        width: 36px;
        height: 36px;
        min-width: 36px;
    }

    .chat-messages {
        padding: 18px;
        gap: 16px;
    }

    .message-avatar {
        width: 32px;
        height: 32px;
        min-width: 32px;
    }

    .message-content {
        padding: 14px 16px;
        border-radius: var(--radius-md);
    }

    .message-content p {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .chat-input-wrapper {
        padding: 16px;
        padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
        border-top: 1px solid var(--border-color);
    }

    .chat-form {
        gap: 10px;
    }

    #chat-input {
        padding: 14px 18px;
        font-size: 16px;
        min-height: 50px;
        border-radius: 25px;
    }

    .chat-send {
        width: 50px;
        height: 50px;
        min-width: 50px;
        border-radius: 50%;
    }

    .chat-send svg {
        width: 20px;
        height: 20px;
    }

    /* Chat toggle button mobile - enhanced */
    .chat-toggle {
        position: fixed;
        right: 16px;
        bottom: calc(16px + env(safe-area-inset-bottom));
        padding: 14px 22px;
        font-size: 0.9rem;
        border-radius: 28px;
        z-index: 1000;
        min-height: 52px;
        box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
        -webkit-tap-highlight-color: transparent;
        transition: all 0.3s ease;
    }

    .chat-toggle:active {
        transform: scale(0.95);
    }

    .chat-toggle .toggle-text {
        display: inline;
        font-weight: 600;
    }

    .chat-toggle .ai-icon {
        width: 26px;
        height: 26px;
        font-size: 0.75rem;
        font-weight: 700;
    }

    /* Preloader mobile - enhanced */
    .preloader {
        padding: 24px;
        padding-top: env(safe-area-inset-top);
    }

    .cube-loader {
        width: 50px;
        height: 50px;
    }

    .cube-face {
        width: 50px;
        height: 50px;
        border-width: 2px;
    }

    .cube-face.front { transform: translateZ(25px); }
    .cube-face.back { transform: translateZ(-25px) rotateY(180deg); }
    .cube-face.right { transform: translateX(25px) rotateY(90deg); }
    .cube-face.left { transform: translateX(-25px) rotateY(-90deg); }
    .cube-face.top { transform: translateY(-25px) rotateX(90deg); }
    .cube-face.bottom { transform: translateY(25px) rotateX(-90deg); }

    .loader-text {
        font-size: 1.1rem;
        letter-spacing: 0.2em;
        margin-top: 28px;
    }

    /* Footer mobile - enhanced */
    .footer {
        padding: 50px 0 24px;
        padding-bottom: calc(24px + env(safe-area-inset-bottom));
    }

    .footer-content {
        padding: 0 24px;
        gap: 24px;
    }

    .footer-brand .logo-text {
        font-size: 1.1rem;
    }

    .footer-brand p {
        font-size: 0.85rem;
        margin-top: 8px;
    }

    .footer-links {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .footer-links a {
        font-size: 0.9rem;
        padding: 8px 16px;
        -webkit-tap-highlight-color: transparent;
    }

    .footer-bottom {
        padding-top: 24px;
    }

    .footer-bottom p {
        font-size: 0.8rem;
    }

    /* Language toggle mobile adjustment */
    .lang-toggle {
        top: calc(12px + env(safe-area-inset-top));
        right: 70px;
        padding: 3px;
    }

    .lang-btn {
        padding: 8px 12px;
        font-size: 0.75rem;
        min-height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 15px;
    }

    .section-content {
        padding: 80px 16px 50px;
    }

    .hero .section-content {
        padding: 90px 16px 40px 16px;
        gap: 20px;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 6px 14px;
    }

    .hero-title {
        font-size: 1.75rem;
        margin-bottom: 16px;
    }

    .hero-description {
        font-size: 0.95rem;
        margin-bottom: 24px;
    }

    .hero-cta {
        max-width: 100%;
    }

    .btn-primary,
    .btn-secondary {
        padding: 14px 24px;
        font-size: 0.95rem;
        min-height: 50px;
    }

    .hero-stats {
        gap: 24px;
        padding: 20px 16px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .hero-visual {
        height: 160px;
    }

    .floating-cube {
        width: 80px;
        height: 80px;
    }

    .face {
        width: 80px;
        height: 80px;
        font-size: 0.8rem;
    }

    .face.front { transform: translateZ(40px); }
    .face.back { transform: translateZ(-40px) rotateY(180deg); }
    .face.right { transform: translateX(40px) rotateY(90deg); }
    .face.left { transform: translateX(-40px) rotateY(-90deg); }
    .face.top { transform: translateY(-40px) rotateX(90deg); }
    .face.bottom { transform: translateY(40px) rotateX(-90deg); }

    .orbit-ring {
        width: 140px;
        height: 140px;
    }

    .section-badge {
        font-size: 0.7rem;
        padding: 6px 12px;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    /* Cards smaller screens */
    .value-card {
        padding: 16px;
        gap: 14px;
    }

    .value-icon {
        width: 44px;
        height: 44px;
        min-width: 44px;
    }

    .value-card h3 {
        font-size: 1rem;
    }

    .value-card p {
        font-size: 0.85rem;
    }

    .benefit-card {
        padding: 20px 16px;
    }

    .benefit-icon {
        width: 44px;
        height: 44px;
    }

    .benefit-card h3 {
        font-size: 1rem;
    }

    .benefit-card p {
        font-size: 0.85rem;
    }

    .filter-btn {
        padding: 8px 14px;
        font-size: 0.8rem;
        min-height: 40px;
    }

    .project-content {
        padding: 16px;
    }

    .project-title {
        font-size: 1rem;
    }

    .project-description {
        font-size: 0.85rem;
    }

    .contact-form-wrapper {
        padding: 20px 16px;
    }

    .form-group input,
    .form-group textarea {
        padding: 14px 16px;
        min-height: 50px;
    }

    .contact-form .btn-primary {
        min-height: 52px;
    }

    /* Chat adjustments */
    .chat-widget {
        width: calc(100% - 20px);
        left: 10px;
        right: 10px;
        height: 60vh;
        max-height: 450px;
    }

    .chat-toggle {
        padding: 12px 18px;
        font-size: 0.85rem;
        min-height: 48px;
    }

    .chat-toggle .ai-icon {
        width: 24px;
        height: 24px;
    }

    /* Language toggle small screens */
    .lang-toggle {
        right: 60px;
    }

    .lang-btn {
        padding: 6px 10px;
        font-size: 0.7rem;
        min-height: 32px;
    }

    .logo-text {
        font-size: 1rem;
    }
}

/* Landscape mobile optimization */
@media (max-height: 500px) and (orientation: landscape) {
    .section-content {
        padding: 40px 20px;
    }

    .hero .section-content {
        flex-direction: row;
        gap: 40px;
    }

    .hero-visual {
        height: 150px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-stats {
        flex-direction: row;
        gap: 30px;
    }

    .cube-nav {
        gap: 8px;
    }

    .cube-nav-dot {
        width: 8px;
        height: 8px;
    }
}

/* ===== ANIMATIONS ON SCROLL ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ===== SELECTION ===== */
::selection {
    background: var(--primary);
    color: white;
}

/* ===== MOBILE FORCE OVERRIDE - MUST BE LAST ===== */
@media screen and (max-width: 1024px) {
    /* Force all 3D off */
    .main-content,
    .cube-container,
    .cube-section,
    .cube-section.hero,
    .cube-section.about,
    .cube-section.why-us,
    .cube-section.portfolio,
    .cube-section.contact,
    .cube-wrapper,
    .cube-transition,
    .section-content {
        position: relative !important;
        transform: none !important;
        -webkit-transform: none !important;
        transform-style: flat !important;
        -webkit-transform-style: flat !important;
        backface-visibility: visible !important;
        -webkit-backface-visibility: visible !important;
        perspective: none !important;
        -webkit-perspective: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        display: block !important;
        height: auto !important;
        min-height: auto !important;
        overflow: visible !important;
    }

    .main-content {
        position: relative !important;
        top: auto !important;
        left: auto !important;
        width: 100% !important;
        height: auto !important;
        overflow: visible !important;
    }

    .cube-container {
        display: flex !important;
        flex-direction: column !important;
    }

    .cube-section:nth-child(1),
    .cube-section:nth-child(2),
    .cube-section:nth-child(3),
    .cube-section:nth-child(4),
    .cube-section:nth-child(5) {
        position: relative !important;
        top: auto !important;
        left: auto !important;
        transform: none !important;
        -webkit-transform: none !important;
    }

    /* ===== FIX: Force visibility of ALL section elements ===== */
    .section-header,
    .section-badge,
    .section-title,
    .section-subtitle,
    .about-grid,
    .about-text,
    .about-intro,
    .about-values,
    .value-card,
    .value-icon,
    .benefits-grid,
    .benefit-card,
    .benefit-icon,
    .benefit-number,
    .hero-content,
    .hero-visual,
    .hero-badge,
    .hero-title,
    .hero-description,
    .hero-cta,
    .hero-stats,
    .portfolio-filter,
    .portfolio-grid,
    .contact-grid,
    .contact-info,
    .contact-form-wrapper {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        transform: none !important;
        -webkit-transform: none !important;
        backface-visibility: visible !important;
        -webkit-backface-visibility: visible !important;
    }

    /* Grid layouts need display: grid */
    .about-values,
    .benefits-grid,
    .portfolio-grid,
    .contact-grid,
    .contact-form {
        display: grid !important;
    }

    /* Flex layouts */
    .hero-cta,
    .hero-stats,
    .portfolio-filter,
    .contact-methods {
        display: flex !important;
    }

    /* Ensure section headers are visible with proper spacing */
    .section-header {
        margin-bottom: 30px !important;
        text-align: center !important;
    }

    .section-badge {
        display: inline-block !important;
        margin-bottom: 12px !important;
    }

    .section-title {
        display: block !important;
        margin-bottom: 10px !important;
    }

    /* Value cards in About section */
    .about-values {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }

    .value-card {
        display: block !important;
        padding: 20px !important;
    }

    .value-icon {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }

    /* Benefits grid in Why Us section */
    .benefits-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }

    .benefit-card {
        display: block !important;
        padding: 20px !important;
        position: relative !important;
    }

    .benefit-icon {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }

    .benefit-number {
        display: block !important;
        position: absolute !important;
    }

    /* ===== CRITICAL FIX: Disable fade-in animations on mobile ===== */
    .fade-in,
    .slide-in-left,
    .slide-in-right {
        opacity: 1 !important;
        transform: none !important;
        -webkit-transform: none !important;
        transition: none !important;
    }

    /* Force all h2, h3, p, spans visible */
    .section-header h2,
    .section-header span,
    .about-text p,
    .value-card h3,
    .value-card p,
    .benefit-card h3,
    .benefit-card p,
    .highlight {
        opacity: 1 !important;
        visibility: visible !important;
        display: inline !important;
    }

    .section-title,
    .hero-title {
        display: block !important;
    }

    /* Ensure text colors are correct */
    .section-badge {
        color: var(--primary-light) !important;
        background: rgba(99, 102, 241, 0.1) !important;
        border: 1px solid rgba(99, 102, 241, 0.3) !important;
    }

    .section-title {
        color: var(--text-primary) !important;
    }

    .highlight {
        background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%) !important;
        -webkit-background-clip: text !important;
        -webkit-text-fill-color: transparent !important;
        background-clip: text !important;
    }
}

/* ===== PRICING SECTION ===== */
.pricing {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0d0d15 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    align-items: stretch;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 45px 30px 35px;
    text-align: center;
    position: relative;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 480px;
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--glow-primary);
}

.pricing-card.featured {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
    transform: scale(1.02);
    z-index: 2;
}

.pricing-card.featured:hover {
    transform: scale(1.02) translateY(-10px);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
}

.pricing-icon {
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    flex-shrink: 0;
}

.pricing-icon svg {
    width: 30px;
    height: 30px;
    stroke: white;
}

.pricing-card h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.pricing-price {
    margin-bottom: 25px;
}

.price-from {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 5px;
    text-transform: lowercase;
}

.price-amount {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 25px;
    width: 100%;
    flex-grow: 1;
}

.pricing-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: bold;
    flex-shrink: 0;
}

.btn-pricing {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    padding: 14px 30px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    margin-top: auto;
    width: 100%;
    max-width: 200px;
}

.btn-pricing:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.pricing-note {
    text-align: center;
    margin-top: 40px;
    width: 100%;
}

.pricing-note p:first-child {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.pricing-note p:last-child {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Pricing Tablet */
@media (max-width: 1100px) {
    .pricing-grid {
        gap: 20px;
    }

    .pricing-card {
        padding: 35px 20px 30px;
    }

    .price-amount {
        font-size: 2.4rem;
    }
}

/* Pricing Mobile */
@media (max-width: 900px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 380px;
    }

    .pricing-card {
        min-height: auto;
        padding: 35px 25px 30px;
    }

    .pricing-card.featured {
        transform: none;
        order: -1;
    }

    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }

    .price-amount {
        font-size: 2.3rem;
    }
}