:root{--ambsta-bg: #f8fafc;--ambsta-surface: #ffffff;--ambsta-ink: #0f172a;--ambsta-muted: #64748b;--ambsta-border: #e2e8f0;--ambsta-primary: #2563eb;--ambsta-primary-hover: #1d4ed8;--ambsta-gradient: linear-gradient(135deg, #0f172a 0%, #1e3a8a 55%, #2563eb 100%)}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:var(--ambsta-bg);color:var(--ambsta-ink);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}.ambsta-page{min-height:100vh;display:flex;flex-direction:column;background:radial-gradient(circle at 10% 10%,rgba(37,99,235,.08),transparent 40%),radial-gradient(circle at 90% 0%,rgba(15,23,42,.06),transparent 35%),var(--ambsta-bg)}.ambsta-header{background:var(--ambsta-gradient);padding:0 32px;height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px;box-shadow:0 8px 32px #0f172a1f}.ambsta-header-start{display:flex;align-items:center;gap:12px;min-width:0}.ambsta-nav{display:flex;align-items:center;gap:8px;margin-left:auto}.ambsta-nav-link{color:#ffffffc7;text-decoration:none;font-size:14px;font-weight:500;padding:8px 14px;border-radius:8px;transition:background .15s ease,color .15s ease}.ambsta-nav-link:hover{color:#fff;background:#ffffff1a}.ambsta-nav-link--active{color:#fff;background:#ffffff29}.ambsta-nav-link--login{border:1px solid rgba(255,255,255,.28);margin-left:4px}.ambsta-nav-link--login:hover{background:#ffffff2e;border-color:#fff6}.ambsta-brand{display:flex;flex-direction:column;gap:2px}.ambsta-brand-name{font-size:22px;font-weight:700;letter-spacing:-.03em;color:#fff;line-height:1.1}.ambsta-brand-sub{font-size:13px;font-weight:500;color:#ffffffb8;letter-spacing:.01em}.ambsta-deploy-badge{font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:#ffffffd9;background:#ffffff1f;border:1px solid rgba(255,255,255,.18);padding:6px 12px;border-radius:999px}.ambsta-main{flex:1;display:flex;align-items:center;justify-content:center;padding:48px 24px 64px}.ambsta-main--home{flex-direction:column;align-items:stretch;justify-content:flex-start;padding:0;width:100%}.ambsta-main--wide{align-items:flex-start}.ambsta-brand-link{text-decoration:none;color:inherit}.ambsta-brand-lab{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#ffffff8c;margin-top:4px}html{scroll-behavior:smooth}.home-hero{background:var(--ambsta-gradient);color:#fff;padding:72px 24px 88px;text-align:center}.home-hero-inner{max-width:760px;margin:0 auto}.home-eyebrow{margin:0 0 16px;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#ffffffb8}.home-hero-title{margin:0 0 20px!important;color:#fff!important;font-size:clamp(2rem,5vw,3rem)!important;font-weight:800!important;letter-spacing:-.04em!important;line-height:1.1!important}.home-hero-lead{margin:0 auto 32px!important;max-width:640px;color:#ffffffe0!important;font-size:17px!important;line-height:1.7!important}.home-hero-lead strong{color:#fff;font-weight:600}.home-hero-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.home-hero-scroll{display:inline-flex;margin-top:48px;color:#fff9;font-size:20px;transition:color .15s ease}.home-hero-scroll:hover{color:#fff}.home-section{padding:72px 24px;scroll-margin-top:16px}.home-section--muted{background:#ffffffa6;border-top:1px solid var(--ambsta-border);border-bottom:1px solid var(--ambsta-border)}.home-section-inner{max-width:1080px;margin:0 auto}.home-section-inner--narrow{max-width:560px}.home-section-title{margin:0 0 12px!important;font-weight:800!important;letter-spacing:-.03em!important;color:var(--ambsta-ink)!important;text-align:center}.home-section-lead{margin:0 auto 40px!important;max-width:640px;text-align:center;color:var(--ambsta-muted)!important;font-size:16px!important;line-height:1.65!important}.home-curriculum-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.home-curriculum-card{background:var(--ambsta-surface);border:1px solid var(--ambsta-border);border-radius:16px;padding:28px;box-shadow:0 8px 32px #0f172a0a}.home-curriculum-card-title{margin:0 0 10px;font-size:18px;font-weight:700;letter-spacing:-.02em;color:var(--ambsta-ink)}.home-curriculum-card-summary{margin:0 0 16px;font-size:14px;line-height:1.6;color:var(--ambsta-muted)}.home-curriculum-list{margin:0;padding-left:18px;font-size:14px;line-height:1.7;color:var(--ambsta-ink)}.home-stack-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;max-width:960px;margin:0 auto}.home-stack-card{flex:0 1 168px;width:168px;background:var(--ambsta-surface);border:1px solid var(--ambsta-border);border-radius:12px;padding:20px 16px;text-align:center;display:flex;flex-direction:column;gap:6px}.home-stack-name{font-size:15px;font-weight:700;color:var(--ambsta-primary);letter-spacing:-.02em}.home-stack-role{font-size:12px;color:var(--ambsta-muted);line-height:1.4}.home-contact-card{max-width:100%}.ambsta-card{width:100%;max-width:520px;background:var(--ambsta-surface);border:1px solid var(--ambsta-border);border-radius:16px;padding:40px;box-shadow:0 1px 2px #0f172a0a,0 16px 48px #0f172a0f}.ambsta-card--wide{max-width:960px}.ambsta-footer-link{color:var(--ambsta-primary);text-decoration:none}.ambsta-footer-link:hover{text-decoration:underline}.ambsta-card-title{margin:0 0 8px!important;font-weight:700!important;letter-spacing:-.03em!important;color:var(--ambsta-ink)!important}.ambsta-card-lead{margin:0 0 28px!important;color:var(--ambsta-muted)!important;font-size:15px!important;line-height:1.6!important}.ambsta-footer{text-align:center;padding:24px;color:var(--ambsta-muted);font-size:13px;border-top:1px solid var(--ambsta-border);background:#fff9}.ambsta-success{text-align:center;padding:12px 0 8px}.ambsta-success-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:#ecfdf5;color:#059669;display:flex;align-items:center;justify-content:center;font-size:28px}@media (max-width: 900px){.home-curriculum-grid{grid-template-columns:1fr}}@media (max-width: 640px){.ambsta-header{padding:16px 20px;height:auto;min-height:72px;flex-wrap:wrap;gap:12px}.ambsta-nav{width:100%;flex-wrap:wrap;margin-left:0}.ambsta-card{padding:28px 24px}.home-hero{padding:56px 20px 72px}.home-section{padding:56px 20px}}