:root {
    --bg-color: #ffffff;
    --surface-color: #f8fafc;
    --surface-border: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --brand-primary: #4f46e5;
    --brand-secondary: #6366f1;
    --accent-success: #10b981;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.05);
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(12px);
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    height: 70px;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo img {
    height: 40px;
    width: auto;
}

nav ul {
    display: flex;
    gap: 32px;
    list-style: none;
}

nav ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-smooth);
}

nav ul li a:hover {
    color: var(--brand-primary);
}

.header-btns {
    display: flex;
    gap: 16px;
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--brand-primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--brand-secondary);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--surface-border);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--surface-color);
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-smooth);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg-color);
        padding: 24px;
        border-bottom: 1px solid var(--surface-border);
        box-shadow: var(--card-shadow);
    }
    nav.active {
        display: block;
    }
    nav ul {
        flex-direction: column;
        gap: 16px;
    }
    .header-btns {
        display: none;
    }
}

/* Reveal Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.reveal {
    opacity: 1;
    transform: translateY(0);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: radial-gradient(circle at 50% 50%, rgba(79, 70, 229, 0.05) 0%, transparent 70%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    text-align: left;
}

.hero-image {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 30px 60px -12px rgba(0,0,0,0.15);
    background: var(--surface-color);
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
    transition: var(--transition-smooth);
}

.hero-image:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .hero-content {
        text-align: center;
    }
    .hero-image {
        max-width: 500px;
        margin: 0 auto;
        transform: none;
    }
}

.hero-label {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(79, 70, 229, 0.08);
    color: var(--brand-primary);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(40px, 8vw, 72px);
    margin-bottom: 24px;
    color: var(--text-primary);
}

.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
}

/* Feature Grid */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 40px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-title p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--bg-color);
    border: 1px solid var(--surface-border);
    padding: 40px;
    border-radius: 20px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.feature-card:hover {
    border-color: var(--brand-primary);
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.03) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
    transition: var(--transition-smooth);
}

.feature-card:hover::before {
    background: radial-gradient(circle, rgba(79, 70, 229, 0.08) 0%, transparent 70%);
    transform: scale(1.2);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(79, 70, 229, 0.08);
    color: var(--brand-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 24px;
}

.feature-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 20px;
}

.feature-media {
    margin-top: 20px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--surface-border);
    background: var(--surface-color);
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* Gallery Section */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 24px;
}

.gallery-item {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
    background: var(--surface-color);
    border: 1px solid var(--surface-border);
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--card-shadow-hover);
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-color);
    border: 1px solid var(--surface-border);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-item:hover {
    border-color: var(--brand-primary);
}

.faq-question {
    padding: 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: var(--transition-smooth);
    color: var(--text-primary);
}

.faq-question:hover {
    background: var(--surface-color);
}

.faq-question::after {
    content: '+';
    font-size: 20px;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
    padding: 0 24px;
    color: var(--text-secondary);
    font-size: 15px;
}

.faq-item.active {
    border-color: var(--brand-primary);
    box-shadow: var(--card-shadow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 24px 24px;
}

/* Footer */
footer {
    padding: 80px 0 40px;
    background: var(--surface-color);
    border-top: 1px solid var(--surface-border);
}

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

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

.footer-brand p {
    margin-top: 20px;
    color: var(--text-secondary);
    max-width: 300px;
}

.footer-col h4 {
    margin-bottom: 24px;
    font-size: 16px;
    color: var(--text-primary);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-col ul li a:hover {
    color: var(--brand-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 40px;
    border-top: 1px solid var(--surface-border);
    color: var(--text-secondary);
    font-size: 14px;
}