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

:root {
    --bg-base: #020617;
    --bg-surface: #0f172a;
    --bg-surface-hover: #1e293b;
    --primary: #0ea5e9;
    --primary-glow: rgba(14, 165, 233, 0.5);
    --secondary: #3b82f6;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-sans); background-color: var(--bg-base); color: var(--text-main); line-height: 1.6; overflow-x: hidden; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; margin-bottom: 1rem; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-muted { color: var(--text-muted); }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }
.py-5 { padding-top: 5rem; padding-bottom: 5rem; }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.75rem 1.5rem; border-radius: 0.5rem; font-weight: 500; cursor: pointer; transition: var(--transition); border: 2px solid transparent; }
.btn-primary { background-color: var(--primary); color: #fff; box-shadow: 0 0 15px var(--primary-glow); }
.btn-primary:hover { background-color: #0284c7; box-shadow: 0 0 25px var(--primary-glow); transform: translateY(-2px); }
.btn-outline { background-color: transparent; border-color: var(--text-main); color: var(--text-main); }
.btn-outline:hover { background-color: var(--text-main); color: var(--bg-base); transform: translateY(-2px); }

.navbar { position: fixed; top: 0; left: 0; width: 100%; background-color: rgba(2, 6, 23, 0.8); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-color); z-index: 1000; padding: 1rem 0; transition: var(--transition); }
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.nav-brand { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: var(--primary); display: flex; align-items: center; gap: 0.5rem; }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-link { font-weight: 500; color: var(--text-muted); position: relative; }
.nav-link:hover, .nav-link.active { color: var(--text-main); }
.nav-link::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background-color: var(--primary); transition: var(--transition); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.mobile-toggle { display: none; background: none; border: none; color: var(--text-main); font-size: 1.5rem; cursor: pointer; }

.hero { min-height: 100vh; display: flex; align-items: center; padding-top: 80px; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: 20%; left: -10%; width: 50vw; height: 50vw; background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%); opacity: 0.3; filter: blur(100px); z-index: -1; }
.hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.hero-content { z-index: 1; }
.badge { display: inline-block; padding: 0.25rem 0.75rem; background-color: rgba(14, 165, 233, 0.1); color: var(--primary); border: 1px solid var(--primary); border-radius: 2rem; font-size: 0.875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }
.hero-title { font-size: clamp(2.5rem, 5vw, 4rem); background: linear-gradient(to right, #fff, #94a3b8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-top: 1rem; }
.hero-text { font-size: 1.125rem; color: var(--text-muted); margin: 1.5rem 0 2.5rem; max-width: 500px; }
.hero-actions { display: flex; gap: 1rem; }
.hero-visual { position: relative; }
.hero-visual img { border-radius: 1rem; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5); border: 1px solid var(--border-color); }

.floating-element { animation: float 6s ease-in-out infinite; }
@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-20px); } 100% { transform: translateY(0px); } }

.glass-card { background: rgba(15, 23, 42, 0.6); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid var(--border-color); border-radius: 1rem; padding: 2rem; transition: var(--transition); height: 100%; display: flex; flex-direction: column; }
.glass-card:hover { transform: translateY(-10px); border-color: var(--primary); box-shadow: 0 10px 30px rgba(14, 165, 233, 0.1); }
.viewer-trigger-card { cursor: pointer; }
.viewer-trigger-card:focus { outline: 2px solid rgba(14, 165, 233, 0.4); outline-offset: 4px; }
.card-icon { font-size: 2.5rem; color: var(--primary); margin-bottom: 1rem; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4rem; align-items: center; }

.section-header { text-align: center; max-width: 700px; margin: 0 auto 4rem; }
.section-header h2 { font-size: 2.5rem; margin-top: 0.5rem; }

.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::after { content: ''; position: absolute; width: 2px; background-color: var(--border-color); top: 0; bottom: 0; left: 50%; margin-left: -1px; }
.timeline-item { padding: 10px 40px; position: relative; background-color: inherit; width: 50%; }
.timeline-item::after { content: ''; position: absolute; width: 20px; height: 20px; right: -10px; background-color: var(--bg-surface); border: 4px solid var(--primary); top: 15px; border-radius: 50%; z-index: 1; }
.left { left: 0; }
.right { left: 50%; }
.right::after { left: -10px; }
.timeline-content { padding: 20px; background-color: var(--bg-surface); position: relative; border-radius: 1rem; border: 1px solid var(--border-color); }

.custom-list li { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; color: var(--text-muted); }
.custom-list li svg { color: var(--primary); margin-top: 5px; flex-shrink: 0; width: 20px; height: 20px; }

.viewer-section { display: grid; gap: 1.5rem; }
.viewer-tabs { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1rem; }
.viewer-tab { border: 1px solid rgba(148, 163, 184, 0.35); background: rgba(15, 23, 42, 0.85); color: var(--text-main); padding: 0.75rem 1.25rem; border-radius: 999px; cursor: pointer; transition: var(--transition); }
.viewer-tab.active, .viewer-tab:hover { background: rgba(14, 165, 233, 0.2); border-color: var(--primary); color: var(--primary); }
.viewer-box { display: none; background: rgba(15, 23, 42, 0.8); border: 1px solid var(--border-color); border-radius: 1rem; overflow: hidden; }
.viewer-box.active { display: block; }
.viewer-panel { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; padding: 1rem 1.25rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
.viewer-label { font-weight: 600; color: var(--text-main); }
.viewer-box input[type="file"] { color: var(--text-main); }
.viewer-status { color: var(--text-muted); font-size: 0.95rem; margin-top: 0.25rem; }
.viewer-canvas { min-height: 420px; width: 100%; }

footer { background-color: #010409; padding: 4rem 0 2rem; border-top: 1px solid var(--border-color); }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid var(--border-color); color: var(--text-muted); font-size: 0.875rem; }

.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s ease-out; }
.reveal.active { opacity: 1; transform: translateY(0); }

@media (max-width: 992px) {
    .hero .container { grid-template-columns: 1fr; text-align: center; }
    .hero-text { margin: 1.5rem auto 2.5rem; }
    .hero-actions { justify-content: center; }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-2 { grid-template-columns: 1fr; }
    .timeline::after { left: 31px; }
    .timeline-item { width: 100%; padding-left: 70px; padding-right: 25px; }
    .timeline-item::after { left: 21px; }
    .right { left: 0; }
}

@media (max-width: 768px) {
    .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%; background-color: var(--bg-surface); padding: 2rem; border-bottom: 1px solid var(--border-color); }
    .nav-links.show { display: flex; }
    .mobile-toggle { display: block; }
    .grid-3 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
}

.cookie-banner { position: fixed; bottom: 0; left: 0; width: 100%; background: rgba(2, 6, 23, 0.95); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); padding: 1rem 0; z-index: 9999; border-top: 1px solid var(--border-color); box-shadow: 0 -10px 30px rgba(0,0,0,0.5); }