*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--color-bg); color: var(--color-text); line-height: 1.65; min-height: 100vh; }
a { color: var(--color-node); text-decoration: none; }
a:hover { color: var(--color-accent); }
.container { width: min(1140px, 92%); margin: 0 auto; }
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.2; color: var(--color-primary); font-weight: 700; }
h1 { font-size: clamp(1.9rem, 4.5vw, 2.85rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: 1rem; }
p { margin-bottom: 1rem; color: var(--color-text-muted); }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); padding: 0.9rem 0; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.logo { font-family: var(--font-heading); font-weight: 700; font-size: 1.45rem; color: var(--color-primary); letter-spacing: -0.02em; }
.logo span { color: var(--color-accent); }
.logo-sub { display: block; font-size: 0.55rem; font-weight: 600; color: var(--color-text-muted); letter-spacing: 0.1em; text-transform: uppercase; }
.main-nav ul { display: flex; list-style: none; gap: 1.2rem; flex-wrap: wrap; }
.main-nav a { color: var(--color-text-muted); font-size: 0.9rem; font-weight: 500; }
.main-nav a:hover, .main-nav a.active { color: var(--color-primary); }

.btn { display: inline-block; padding: 0.75rem 1.5rem; border-radius: var(--radius); font-weight: 600; font-size: 0.92rem; cursor: pointer; border: none; transition: transform 0.2s; font-family: var(--font-body); }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-accent); color: var(--color-primary); }
.btn-primary:hover { background: var(--color-accent-soft); color: var(--color-primary); }
.btn-outline { background: transparent; border: 2px solid var(--color-accent); color: var(--color-accent); }
.btn-outline:hover { background: var(--color-accent); color: var(--color-primary); }

.hero { background: linear-gradient(160deg, #0a1628 0%, #132238 50%, #0d1f35 100%); color: #fff; padding: 5rem 0; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: 0; right: 0; width: 55%; height: 100%; background: radial-gradient(ellipse at top right, rgba(0,200,150,0.1) 0%, transparent 60%); }
.hero::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--color-node), var(--color-accent)); }
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 2.5rem; align-items: center; }
.hero h1 { color: #fff; margin-bottom: 1rem; }
.hero p.lead { font-size: 1.06rem; color: rgba(255,255,255,0.92); margin-bottom: 1.5rem; }
.hero-badge { display: inline-block; font-family: var(--font-mono); font-size: 0.68rem; color: var(--color-accent-soft); border: 1px solid rgba(0,200,150,0.4); padding: 0.35rem 0.8rem; border-radius: 4px; margin-bottom: 1rem; letter-spacing: 0.06em; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.hero .btn-outline { border-color: var(--color-accent-soft); color: var(--color-accent-soft); }
.hero .btn-outline:hover { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-primary); }
.hero-panel { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-left: 3px solid var(--color-accent); padding: 1.25rem 1.5rem; border-radius: var(--radius); margin-top: 1rem; }
.hero-panel p { color: rgba(255,255,255,0.88); margin: 0 0 0.5rem; font-size: 0.86rem; }
.hero-panel p:last-child { margin-bottom: 0; }
.hero-panel strong { color: #fff; }

.hero-graph { display: flex; flex-direction: column; gap: 0.75rem; font-family: var(--font-mono); }
.graph-node { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); padding: 0.85rem 1.1rem; border-radius: var(--radius); display: flex; align-items: center; gap: 0.75rem; font-size: 0.82rem; }
.graph-node .node-id { color: var(--color-accent-soft); font-weight: 500; min-width: 2.5rem; }
.graph-node .node-val { color: rgba(255,255,255,0.85); }
.graph-connector { width: 2px; height: 12px; background: rgba(0,200,150,0.35); margin-left: 1.5rem; }

section { padding: 4rem 0; }
.section-alt { background: var(--color-bg-white); }
.section-header { text-align: center; max-width: 720px; margin: 0 auto 2.5rem; }
.eyebrow { display: block; font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-accent); font-weight: 600; margin-bottom: 0.75rem; }
.section-id { scroll-margin-top: 80px; }

.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.card { background: var(--color-bg-white); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); transition: transform 0.2s, border-color 0.2s; }
.section-alt .card { background: var(--color-bg); }
.card:hover { transform: translateY(-4px); border-color: var(--color-accent-soft); }
.card-icon { width: 48px; height: 48px; background: linear-gradient(135deg, rgba(0,200,150,0.12), rgba(74,158,255,0.12)); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 1.35rem; margin-bottom: 1rem; }
.card h3 { font-size: 1.08rem; margin-bottom: 0.6rem; }

.feature-highlight { background: linear-gradient(135deg, var(--color-primary), var(--color-secondary)); color: #fff; padding: 2.5rem; border-radius: var(--radius); border-left: 4px solid var(--color-accent); margin-bottom: 2rem; }
.feature-highlight h2 { color: var(--color-accent-soft); margin-bottom: 1rem; }
.feature-highlight p { color: rgba(255,255,255,0.88); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1.5rem; }
.stat-card { text-align: center; padding: 1.5rem; background: var(--color-bg-white); border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: var(--shadow); }
.stat-card .number { font-family: var(--font-mono); font-size: 1.4rem; font-weight: 700; color: var(--color-accent); }
.stat-card .label { font-size: 0.82rem; color: var(--color-text-muted); margin: 0; }

.cta-block { text-align: center; padding: 3rem 2rem; background: linear-gradient(135deg, var(--color-primary), #0d1f35); color: #fff; border-radius: var(--radius); border: 1px solid rgba(0,200,150,0.25); }
.cta-block h2, .cta-block p { color: rgba(255,255,255,0.95); }
.cta-block h2 { color: #fff; }

.page-header { padding: 3rem 0 2rem; background: var(--color-bg-white); border-bottom: 1px solid var(--color-border); }
.breadcrumbs { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 0.75rem; }
.content-block { padding: 3rem 0; }
.content-block ul, .content-block ol { margin: 0 0 1rem 1.5rem; color: var(--color-text-muted); }
.legal-content h2 { font-size: 1.2rem; margin: 2rem 0 0.75rem; font-weight: 700; }

.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
form .form-group { margin-bottom: 1.15rem; }
form label { display: block; margin-bottom: 0.35rem; font-size: 0.88rem; color: var(--color-text-muted); font-weight: 600; }
form input, form textarea, form select { width: 100%; padding: 0.7rem 1rem; border: 1px solid var(--color-border); border-radius: var(--radius); font-family: var(--font-body); font-size: 0.95rem; background: #fff; }
form textarea { min-height: 130px; resize: vertical; }

.faq-item { background: var(--color-bg-white); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1rem; box-shadow: var(--shadow); }
.faq-item h3 { font-size: 1.02rem; margin-bottom: 0.5rem; font-weight: 700; }

.site-footer { background: var(--color-primary); color: rgba(255,255,255,0.85); padding: 3rem 0 1.5rem; }
.site-footer a { color: rgba(255,255,255,0.85); }
.site-footer a:hover { color: var(--color-accent-soft); }
.site-footer .logo { color: #fff; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; margin-bottom: 2rem; }
.footer-grid h4 { color: var(--color-accent-soft); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 1rem; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 0.45rem; font-size: 0.88rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.5rem; text-align: center; font-size: 0.78rem; line-height: 1.75; }

@media (max-width: 768px) { .hero { padding: 3rem 0; } .hero-grid { grid-template-columns: 1fr; } }