:root { --bg: #0a0a0f; --bg-card: #12121a; --text: #e8e8ec; --text-muted: #8b8b9a; --accent: #6366f1; --accent-glow: #818cf8; --success: #22c55e; --gradient-1: #6366f1; --gradient-2: #a855f7; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', -apple-system, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; min-height: 100vh; }
.nav { display: flex; justify-content: space-between; align-items: center; padding: 1.5rem 2rem; position: fixed; top: 0; left: 0; right: 0; background: rgba(10, 10, 15, 0.8); backdrop-filter: blur(10px); z-index: 100; border-bottom: 1px solid rgba(99, 102, 241, 0.1); }
.logo { font-size: 1.5rem; font-weight: 800; background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nav-links a { color: var(--text-muted); text-decoration: none; margin-left: 2rem; font-weight: 500; transition: color 0.3s; }
.nav-links a:hover { color: var(--accent-glow); }
.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 6rem 2rem 4rem; gap: 4rem; max-width: 1400px; margin: 0 auto; }
.hero-content { flex: 1; max-width: 600px; }
.badge { display: inline-block; background: rgba(99, 102, 241, 0.15); border: 1px solid rgba(99, 102, 241, 0.3); padding: 0.5rem 1rem; border-radius: 999px; font-size: 0.85rem; color: var(--accent-glow); margin-bottom: 1.5rem; }
h1 { font-size: 4rem; font-weight: 800; line-height: 1.1; margin-bottom: 1rem; }
.gradient { background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.subtitle { font-size: 1.25rem; color: var(--text-muted); margin-bottom: 2rem; line-height: 1.7; }
.cta-group { display: flex; gap: 1rem; margin-bottom: 2rem; flex-wrap: wrap; }
.btn { padding: 1rem 2rem; border-radius: 12px; border: none; font-size: 1rem; font-weight: 600; cursor: pointer; transition: all 0.3s; font-family: inherit; }
.btn-primary { background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2)); color: white; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4); }
.btn-secondary { background: transparent; border: 1px solid rgba(99, 102, 241, 0.5); color: var(--text); }
.btn-secondary:hover { background: rgba(99, 102, 241, 0.1); border-color: var(--accent); }
.tech-stack { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; margin-top: 2rem; font-size: 0.9rem; color: var(--text-muted); }
.tech { background: rgba(99, 102, 241, 0.1); padding: 0.35rem 0.75rem; border-radius: 6px; border: 1px solid rgba(99, 102, 241, 0.2); }
.hero-visual { flex: 1; max-width: 500px; perspective: 1000px; }
.terminal { background: var(--bg-card); border-radius: 16px; border: 1px solid rgba(99, 102, 241, 0.2); overflow: hidden; box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(99, 102, 241, 0.1); animation: float 6s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0px); } 50% { transform: translateY(-10px); } }
.terminal-header { background: rgba(99, 102, 241, 0.1); padding: 1rem 1.5rem; display: flex; align-items: center; gap: 0.5rem; border-bottom: 1px solid rgba(99, 102, 241, 0.1); }
.dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.red { background: #ff5f56; }
.yellow { background: #ffbd2e; }
.green { background: #27c93f; }
.terminal-title { margin-left: auto; color: var(--text-muted); font-size: 0.8rem; }
.terminal-body { padding: 1.5rem; font-family: 'Monaco', 'Menlo', monospace; font-size: 0.9rem; line-height: 1.8; }
.terminal-body p { margin: 0.25rem 0; }
.prompt { color: var(--success); margin-right: 0.5rem; }
.output { color: var(--text-muted); padding-left: 1.5rem; }
.output.highlight { color: var(--accent-glow); text-shadow: 0 0 10px rgba(99, 102, 241, 0.3); }
.blinking { animation: blink 1s infinite; }
@keyframes blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } }
.features { padding: 6rem 2rem; background: linear-gradient(180deg, var(--bg) 0%, rgba(99, 102, 241, 0.03) 100%); }
.features h2 { text-align: center; font-size: 2.5rem; margin-bottom: 3rem; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2rem; max-width: 1200px; margin: 0 auto; }
.feature-card { background: var(--bg-card); padding: 2rem; border-radius: 16px; border: 1px solid rgba(99, 102, 241, 0.1); transition: all 0.3s; }
.feature-card:hover { transform: translateY(-5px); border-color: rgba(99, 102, 241, 0.3); box-shadow: 0 10px 40px rgba(99, 102, 241, 0.1); }
.feature-card .icon { font-size: 3rem; margin-bottom: 1rem; }
.feature-card h3 { font-size: 1.25rem; margin-bottom: 0.75rem; color: var(--text); }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; }
.demo { padding: 6rem 2rem; }
.demo h2 { text-align: center; font-size: 2.5rem; margin-bottom: 3rem; }
.status-panel { max-width: 600px; margin: 0 auto; background: var(--bg-card); border-radius: 16px; padding: 2rem; border: 1px solid rgba(99, 102, 241, 0.2); }
.status-item { display: flex; justify-content: space-between; padding: 1rem 0; border-bottom: 1px solid rgba(99, 102, 241, 0.1); }
.status-item:last-child { border-bottom: none; }
.status-item .label { color: var(--text-muted); }
.status-item .value { color: var(--accent-glow); font-weight: 600; }
footer { padding: 3rem 2rem; text-align: center; background: var(--bg-card); border-top: 1px solid rgba(99, 102, 241, 0.1); }
footer p { color: var(--text-muted); }
footer .small { font-size: 0.8rem; margin-top: 0.5rem; opacity: 0.7; }
.provider-section { margin-top: 1.5rem; padding: 1.5rem; background: var(--bg-card); border-radius: 12px; border: 1px solid rgba(99, 102, 241, 0.15); }
.provider-label { display: block; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 0.75rem; font-weight: 500; }
.provider-select { width: 100%; padding: 0.75rem 1rem; font-size: 1rem; background: var(--bg); color: var(--text); border: 1px solid rgba(99, 102, 241, 0.3); border-radius: 8px; cursor: pointer; transition: all 0.3s; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236366f1' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }
.provider-select:hover { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1); }
.models-container { margin-top: 1rem; }
.models-list { animation: fadeIn 0.3s ease; }
.models-title { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.75rem; border-bottom: 1px solid rgba(99, 102, 241, 0.1); padding-bottom: 0.5rem; }
.model-item { display: flex; flex-direction: column; padding: 0.75rem 1rem; margin-bottom: 0.5rem; background: rgba(99, 102, 241, 0.05); border: 1px solid rgba(99, 102, 241, 0.1); border-radius: 8px; cursor: pointer; transition: all 0.2s; }
.model-item:hover { background: rgba(99, 102, 241, 0.1); border-color: rgba(99, 102, 241, 0.3); transform: translateX(3px); }
.model-item.active { background: rgba(34, 197, 94, 0.1); border-color: var(--success); }
.model-name { font-weight: 600; color: var(--text); font-size: 0.95rem; }
.model-desc { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; }
.models-loading { color: var(--text-muted); font-style: italic; padding: 1rem; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 900px) { .hero { flex-direction: column; padding-top: 8rem; } h1 { font-size: 2.5rem; } .hero-visual { max-width: 100%; } .nav-links { display: none; } }