/* LED Stringers - Professional LED Installation Website */
/* Enhanced Visual Design with Purple/Teal Neon Theme */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@700;800;900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-gradient: linear-gradient(135deg, #a855f7, #06d6a0);
    --dark-bg: #0a0a0a;
    --dark-card: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --accent-purple: #a855f7;
    --accent-teal: #06d6a0;
    --accent-green: #4ade80;
    --accent-cyan: #22d3ee;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Fade-in animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(168, 85, 247, 0.2);
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-img {
    height: 60px;
    width: auto;
    filter: drop-shadow(0 0 15px rgba(168, 85, 247, 0.6));
    transition: filter 0.3s ease;
}

.logo:hover .logo-img {
    filter: drop-shadow(0 0 25px rgba(168, 85, 247, 0.9));
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s;
    position: relative;
    letter-spacing: 0.3px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent-purple);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Hero Section - Enhanced */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: 
        linear-gradient(135deg, rgba(10, 10, 10, 0.85), rgba(10, 10, 10, 0.75)),
        url('../images/hero-bg.webp') center/cover no-repeat,
        var(--dark-bg);
    overflow: hidden;
}

/* Animated gradient background */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(168, 85, 247, 0.2), transparent 40%),
        radial-gradient(circle at 80% 50%, rgba(6, 214, 160, 0.2), transparent 40%);
    animation: gradientShift 15s ease-in-out infinite;
    pointer-events: none;
}

@keyframes gradientShift {
    0%, 100% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.1); }
}

/* Particle grid effect */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(90deg, rgba(168, 85, 247, 0.05) 1px, transparent 1px),
        linear-gradient(0deg, rgba(6, 214, 160, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 30s linear infinite;
    pointer-events: none;
    opacity: 0.3;
}

@keyframes gridMove {
    0% { background-position: 0 0; }
    100% { background-position: 60px 60px; }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(180deg, transparent 0%, rgba(10, 10, 10, 0.3) 50%, rgba(10, 10, 10, 0.8) 100%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    text-align: center;
    padding: 140px 20px 80px;
    max-width: 1000px;
    margin: 0 auto;
    z-index: 2;
}

.hero-title {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: clamp(48px, 8vw, 88px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 30px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 40px rgba(168, 85, 247, 0.4));
    letter-spacing: -1px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: clamp(22px, 3vw, 32px);
    color: var(--text-primary);
    margin-bottom: 50px;
    font-weight: 300;
    letter-spacing: 0.5px;
    line-height: 1.5;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

/* Buttons - Enhanced */
.btn {
    padding: 18px 45px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #000;
    box-shadow: 0 8px 35px rgba(168, 85, 247, 0.5);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 50px rgba(168, 85, 247, 0.7);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--accent-purple);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
}

.btn-secondary:hover {
    background: rgba(168, 85, 247, 0.15);
    border-color: var(--accent-teal);
    box-shadow: 0 0 30px rgba(6, 214, 160, 0.5);
    transform: translateY(-3px);
}

/* Sections */
section {
    padding: 140px 0;
    position: relative;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(168, 85, 247, 0.4), transparent);
}

.section-title {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: clamp(42px, 6vw, 64px);
    font-weight: 900;
    text-align: center;
    margin-bottom: 25px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 20px;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 90px;
    font-weight: 300;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* Credentials Section - Enhanced with Stats */
.credentials {
    background: 
        radial-gradient(circle at 10% 20%, rgba(168, 85, 247, 0.12), transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(6, 214, 160, 0.12), transparent 50%),
        var(--dark-bg);
}

.credentials::before {
    display: none;
}

.credentials-header {
    text-align: center;
    margin-bottom: 70px;
}

.credentials-header h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(42px, 6vw, 64px);
    font-weight: 900;
    margin-bottom: 25px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.lead {
    font-size: 24px;
    color: var(--text-primary);
    font-weight: 300;
    max-width: 800px;
    margin: 0 auto 50px;
    line-height: 1.6;
}

/* Stats badges */
.credentials-header::after {
    content: '25+ Years Experience • 100+ Events • 8+ Venues';
    display: block;
    margin-top: 35px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent-teal);
    text-shadow: 0 0 20px rgba(6, 214, 160, 0.6);
}

.credentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}

.credential-item {
    background: rgba(26, 26, 26, 0.6);
    border: 2px solid transparent;
    border-radius: 24px;
    padding: 45px 35px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.credential-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.5s;
    z-index: 0;
}

.credential-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.5s;
}

.credential-item:hover::before {
    opacity: 0.08;
}

.credential-item:hover::after {
    opacity: 1;
}

.credential-item:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: var(--accent-purple);
    box-shadow: 
        0 25px 70px rgba(168, 85, 247, 0.35),
        0 0 0 1px rgba(168, 85, 247, 0.3) inset;
}

.credential-item > * {
    position: relative;
    z-index: 1;
}

.credential-item h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 26px;
    margin-bottom: 12px;
    color: var(--accent-purple);
    font-weight: 800;
    letter-spacing: -0.5px;
}

.credential-item p {
    color: var(--text-primary);
    font-size: 17px;
    margin-bottom: 12px;
    font-weight: 500;
    line-height: 1.5;
}

.credential-detail {
    font-size: 14px !important;
    color: var(--text-secondary) !important;
    font-weight: 400 !important;
    line-height: 1.6 !important;
}

/* Services Section - Enhanced */
.services {
    background: var(--dark-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 35px;
}

.service-card {
    background: rgba(26, 26, 26, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.05);
    border-radius: 28px;
    padding: 55px 40px;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.15), transparent 60%);
    opacity: 0;
    transition: opacity 0.5s;
}

.service-card:hover::before {
    opacity: 1;
    animation: rotateGradient 8s linear infinite;
}

@keyframes rotateGradient {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.service-card.featured {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.12), rgba(6, 214, 160, 0.12));
    border-color: rgba(168, 85, 247, 0.3);
}

.service-card:hover {
    transform: translateY(-12px) scale(1.03);
    border-color: var(--accent-teal);
    box-shadow: 0 25px 70px rgba(6, 214, 160, 0.4);
}

.service-card.featured:hover {
    box-shadow: 0 25px 70px rgba(168, 85, 247, 0.5);
    border-color: var(--accent-purple);
}

.service-icon {
    font-size: 64px;
    margin-bottom: 28px;
    filter: drop-shadow(0 0 25px rgba(168, 85, 247, 0.6));
    transition: transform 0.5s;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotateY(15deg);
}

.service-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 26px;
    margin-bottom: 18px;
    color: var(--accent-purple);
    font-weight: 800;
    letter-spacing: -0.5px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
}

/* Portfolio Section - Enhanced */
.portfolio {
    background: 
        radial-gradient(circle at 100% 20%, rgba(6, 214, 160, 0.1), transparent 50%),
        var(--dark-bg);
}

.portfolio-list {
    max-width: 1100px;
    margin: 0 auto 90px;
    display: flex;
    flex-direction: column;
    gap: 35px;
}

.portfolio-project {
    background: rgba(26, 26, 26, 0.6);
    border: 2px solid transparent;
    border-left: 6px solid var(--accent-purple);
    border-radius: 20px;
    padding: 50px 45px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.portfolio-project::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.5s;
}

.portfolio-project::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 0;
    background: linear-gradient(90deg, transparent, rgba(168, 85, 247, 0.08));
    transition: width 0.5s;
}

.portfolio-project:hover::before {
    opacity: 1;
}

.portfolio-project:hover::after {
    width: 100%;
}

.portfolio-project:hover {
    border-color: rgba(168, 85, 247, 0.4);
    border-left-color: var(--accent-teal);
    box-shadow: 
        0 20px 60px rgba(168, 85, 247, 0.3),
        0 0 0 1px rgba(168, 85, 247, 0.2) inset;
    transform: translateX(15px);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 25px;
    gap: 25px;
    flex-wrap: wrap;
}

.project-header h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 32px;
    color: var(--accent-purple);
    flex: 1;
    min-width: 220px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.project-tag {
    display: inline-block;
    background: rgba(168, 85, 247, 0.15);
    border: 2px solid var(--accent-purple);
    color: var(--accent-purple);
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: 0.8px;
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
}

.portfolio-project > p {
    color: var(--text-secondary);
    font-size: 18px;
    line-height: 1.9;
    margin-bottom: 28px;
}

.project-highlights {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 18px;
}

.project-highlights li {
    color: var(--text-primary);
    font-size: 16px;
    padding-left: 40px;
    position: relative;
    line-height: 1.7;
}

.project-highlights li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent-teal);
    font-weight: 900;
    font-size: 24px;
    text-shadow: 0 0 15px rgba(6, 214, 160, 0.6);
}

/* Show Controller Section - Enhanced */
.show-controller {
    background: 
        linear-gradient(135deg, rgba(168, 85, 247, 0.08), rgba(6, 214, 160, 0.08)),
        var(--dark-bg);
    border-top: 1px solid rgba(168, 85, 247, 0.3);
    border-bottom: 1px solid rgba(168, 85, 247, 0.3);
}

.controller-content {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 90px;
    align-items: center;
}

.badge {
    display: inline-block;
    background: var(--primary-gradient);
    color: #000;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 1.5px;
    margin-bottom: 25px;
    box-shadow: 0 8px 25px rgba(168, 85, 247, 0.5);
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 8px 25px rgba(168, 85, 247, 0.5); }
    50% { box-shadow: 0 8px 35px rgba(168, 85, 247, 0.8); }
}

.controller-info h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 56px;
    margin-bottom: 18px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    letter-spacing: -1px;
}

.controller-info .lead {
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.controller-info > p {
    font-size: 18px;
    line-height: 1.9;
    color: var(--text-secondary);
}

.features-list {
    margin: 45px 0;
    background: rgba(26, 26, 26, 0.4);
    padding: 35px;
    border-radius: 20px;
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 20px;
    font-size: 17px;
    color: var(--text-primary);
    line-height: 1.7;
}

.feature:last-child {
    margin-bottom: 0;
}

.check {
    color: var(--accent-teal);
    font-size: 28px;
    font-weight: 900;
    text-shadow: 0 0 15px rgba(6, 214, 160, 0.6);
    flex-shrink: 0;
    margin-top: -2px;
}

.controller-buttons {
    display: flex;
    gap: 18px;
    margin-top: 45px;
    flex-wrap: wrap;
}

/* Demo Visual - Enhanced */
.controller-visual {
    position: relative;
}

.demo-box {
    background: rgba(15, 15, 15, 0.9);
    border: 2px solid rgba(168, 85, 247, 0.4);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 
        0 35px 90px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(168, 85, 247, 0.3) inset,
        0 0 60px rgba(168, 85, 247, 0.2);
    transition: transform 0.5s;
}

.demo-box:hover {
    transform: scale(1.02) rotateY(2deg);
}

.demo-header {
    background: rgba(168, 85, 247, 0.12);
    padding: 22px 28px;
    display: flex;
    align-items: center;
    gap: 18px;
    border-bottom: 1px solid rgba(168, 85, 247, 0.3);
}

.demo-dots {
    display: flex;
    gap: 10px;
}

.demo-dots span {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    transition: all 0.3s;
}

.demo-dots span:nth-child(1) { background: #ff5f56; box-shadow: 0 0 10px #ff5f56; }
.demo-dots span:nth-child(2) { background: #ffbd2e; box-shadow: 0 0 10px #ffbd2e; }
.demo-dots span:nth-child(3) { background: #27c93f; box-shadow: 0 0 10px #27c93f; }

.demo-title {
    font-size: 16px;
    color: var(--accent-purple);
    font-weight: 700;
    letter-spacing: 0.5px;
}

.demo-body {
    padding: 50px;
}

.timeline-preview {
    display: flex;
    gap: 10px;
    margin-bottom: 50px;
    height: 90px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
}

.effect-block {
    flex: 1;
    background: var(--color);
    position: relative;
    width: var(--duration);
    animation: effectPulse 2s infinite;
    box-shadow: 0 0 30px var(--color);
}

@keyframes effectPulse {
    0%, 100% { opacity: 0.7; filter: brightness(0.9); }
    50% { opacity: 1; filter: brightness(1.2); }
}

.led-strip {
    display: flex;
    gap: 16px;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 12px;
}

.led {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent-teal);
    box-shadow: 
        0 0 40px var(--accent-teal),
        0 0 70px var(--accent-teal),
        inset 0 0 10px rgba(255, 255, 255, 0.5);
    animation: ledPulse 1s infinite;
}

@keyframes ledPulse {
    0%, 100% { 
        opacity: 0.5;
        transform: scale(0.9);
    }
    50% { 
        opacity: 1;
        transform: scale(1.15);
    }
}

/* AI Services Section - Enhanced */
.ai-services {
    padding: 140px 0;
    background: 
        radial-gradient(circle at 50% 10%, rgba(168, 85, 247, 0.18), transparent 60%),
        var(--dark-bg);
}

.ai-content {
    max-width: 1150px;
    margin: 0 auto;
    text-align: center;
}

.ai-header {
    margin-bottom: 60px;
}

.ai-header h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 64px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 20px;
    font-weight: 900;
    letter-spacing: -1px;
}

.ai-intro {
    margin-bottom: 90px;
}

.ai-intro .lead {
    font-size: 32px;
    color: var(--text-primary);
    margin-bottom: 28px;
    font-weight: 300;
}

.ai-intro p {
    font-size: 19px;
    color: var(--text-secondary);
    line-height: 2;
}

.ai-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-bottom: 90px;
}

.ai-service-card {
    background: rgba(26, 26, 26, 0.6);
    border: 2px solid rgba(168, 85, 247, 0.25);
    border-radius: 28px;
    padding: 55px 40px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.ai-service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.5s;
}

.ai-service-card:hover::before {
    opacity: 0.08;
}

.ai-service-card:hover {
    transform: translateY(-15px);
    border-color: var(--accent-purple);
    box-shadow: 0 30px 80px rgba(168, 85, 247, 0.5);
}

.ai-icon {
    font-size: 72px;
    margin-bottom: 28px;
    filter: drop-shadow(0 0 25px rgba(168, 85, 247, 0.7));
    position: relative;
    z-index: 1;
}

.ai-service-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 26px;
    margin-bottom: 18px;
    color: var(--accent-purple);
    font-weight: 800;
    position: relative;
    z-index: 1;
    letter-spacing: -0.5px;
}

.ai-service-card p {
    color: var(--text-secondary);
    font-size: 17px;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.ai-mission {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.18), rgba(6, 214, 160, 0.18));
    border: 2px solid var(--accent-purple);
    border-radius: 32px;
    padding: 70px 60px;
    margin-top: 90px;
    box-shadow: 0 0 60px rgba(168, 85, 247, 0.3);
}

.ai-tagline {
    font-size: 28px;
    color: var(--text-primary);
    margin-bottom: 28px;
    line-height: 1.7;
    font-weight: 400;
}

.ai-cta-text {
    font-size: 19px;
    color: var(--text-secondary);
    margin-bottom: 45px;
    line-height: 1.8;
}

.ai-mission .btn {
    margin-top: 20px;
}

/* Instagram CTA */
.instagram-cta {
    text-align: center;
    margin-top: 90px;
}

.instagram-cta p {
    font-size: 22px;
    margin-bottom: 28px;
    color: var(--text-secondary);
}

/* Contact Section - Enhanced */
.contact {
    background: 
        radial-gradient(circle at 0% 100%, rgba(168, 85, 247, 0.12), transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(6, 214, 160, 0.12), transparent 50%),
        var(--dark-bg);
    border-top: 1px solid rgba(168, 85, 247, 0.3);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 90px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 28px;
    align-items: flex-start;
    padding: 28px;
    background: rgba(26, 26, 26, 0.6);
    border-radius: 20px;
    border: 2px solid rgba(255, 255, 255, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-item:hover {
    background: rgba(168, 85, 247, 0.12);
    border-color: var(--accent-purple);
    transform: translateX(8px);
    box-shadow: 0 10px 40px rgba(168, 85, 247, 0.3);
}

.contact-icon {
    font-size: 36px;
    flex-shrink: 0;
    filter: drop-shadow(0 0 15px rgba(168, 85, 247, 0.6));
}

.contact-item h4 {
    font-size: 13px;
    margin-bottom: 10px;
    color: var(--accent-purple);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.contact-item a,
.contact-item p {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 19px;
    transition: color 0.3s;
    font-weight: 500;
}

.contact-item a:hover {
    color: var(--accent-teal);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 22px;
    background: rgba(26, 26, 26, 0.4);
    padding: 45px;
    border-radius: 24px;
    border: 2px solid rgba(168, 85, 247, 0.2);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 20px 24px;
    border-radius: 14px;
    border: 2px solid rgba(168, 85, 247, 0.25);
    background: rgba(15, 15, 15, 0.8);
    color: var(--text-primary);
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-purple);
    background: rgba(15, 15, 15, 0.95);
    box-shadow: 0 0 0 4px rgba(168, 85, 247, 0.15);
}

.contact-form textarea {
    resize: vertical;
    min-height: 160px;
}

.contact-form button {
    width: 100%;
    margin-top: 10px;
}

/* Footer - Enhanced */
.footer {
    background: rgba(15, 15, 15, 0.95);
    border-top: 1px solid rgba(168, 85, 247, 0.3);
    padding: 90px 0 45px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 70px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 25px;
    line-height: 1.8;
    font-size: 16px;
}

.footer-links,
.footer-social {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.footer-links a,
.footer-social a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
    position: relative;
    width: fit-content;
}

.footer-links a::before,
.footer-social a::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s;
}

.footer-links a:hover,
.footer-social a:hover {
    color: var(--accent-purple);
    transform: translateX(8px);
}

.footer-links a:hover::before,
.footer-social a:hover::before {
    width: 100%;
}

.footer-bottom {
    text-align: center;
    padding-top: 45px;
    border-top: 1px solid rgba(168, 85, 247, 0.15);
    color: var(--text-secondary);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 968px) {
    .controller-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 45px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 90px 0;
    }
    
    .nav-links {
        display: none;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }

    .services-grid,
    .credentials-grid,
    .ai-services-grid {
        grid-template-columns: 1fr;
    }
    
    .project-highlights {
        grid-template-columns: 1fr;
    }
    
    .ai-header h2 {
        font-size: 42px;
    }
    
    .ai-intro .lead {
        font-size: 24px;
    }
    
    .ai-mission {
        padding: 45px 35px;
    }
    
    .ai-tagline {
        font-size: 22px;
    }
    
    .contact-form {
        padding: 35px 25px;
    }
    
    .demo-body {
        padding: 35px 25px;
    }
}

/* Scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(50px);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}