:root{--color-bg: #122338;--color-surface: #192e4c;--color-primary: #d99f26;--color-primary-soft: #f2cb79;--color-text: #fff9ed;--color-muted: #d5dbe4;--color-border-subtle: rgba(255, 249, 237, .15);--radius-lg: 1rem;--radius-pill: 999px;--shadow-soft: 0 18px 40px rgba(5, 10, 25, .45);color-scheme:light}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{min-height:100vh;background:radial-gradient(circle at top,#1b3452 0%,var(--color-bg) 60%);color:var(--color-text);font-family:Merriweather,serif;line-height:1.6}.page{min-height:100vh;display:flex;flex-direction:column}.main{flex:1}.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:#122338eb;border-bottom:1px solid var(--color-border-subtle)}.site-header-inner{max-width:1120px;margin:0 auto;padding:.75rem 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1.2rem;border-radius:var(--radius-pill);border:none;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-soft));color:#1c1c1c;font-weight:700;font-size:.92rem;text-decoration:none;box-shadow:var(--shadow-soft);cursor:pointer}.btn-primary:hover{filter:brightness(1.07)}.btn-ghost{padding:.5rem 1.2rem;border-radius:var(--radius-pill);border:1px solid var(--color-border-subtle);background:transparent;color:var(--color-text);font-size:.92rem;text-decoration:none}.hero{max-width:1120px;margin:2.5rem auto 3.5rem;padding:0 1.5rem;display:grid;grid-template-columns:minmax(0,3fr) minmax(0,2fr);gap:2.5rem;align-items:center}.hero-heading{font-size:clamp(2.2rem,4vw,3.1rem);margin-bottom:1rem;color:var(--color-text)}.hero-heading span.ai{color:var(--color-primary)}.hero-subtitle{font-size:1.1rem;max-width:36rem;color:var(--color-muted);margin-bottom:1.6rem}.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}.hero-card{background:radial-gradient(circle at top left,#203759,#122338);border-radius:var(--radius-lg);padding:1.5rem 1.4rem;border:1px solid var(--color-border-subtle);box-shadow:var(--shadow-soft);color:var(--color-muted);font-size:.95rem}.hero-card h2{margin-top:0;margin-bottom:.6rem;font-size:1.05rem;color:var(--color-primary-soft)}.site-footer{border-top:1px solid var(--color-border-subtle);padding:1.5rem 1.5rem 2rem;font-size:.85rem;color:var(--color-muted)}.site-footer-inner{max-width:1120px;margin:0 auto;display:flex;justify-content:space-between;gap:1rem}.foundations-graphic{display:flex;justify-content:center;padding:2.5rem 1.5rem 3.5rem}.foundations-ring{position:relative;width:260px;height:260px;border-radius:50%;background:conic-gradient(#f2cb79 0deg 90deg,#edc164 90deg 180deg,#d99f26 180deg 270deg,#b67f1f 270deg 360deg);box-shadow:var(--shadow-soft)}.foundations-inner{position:absolute;inset:70px;border-radius:50%;background:var(--color-bg);border:2px solid var(--color-primary-soft);display:flex;align-items:center;justify-content:center;text-align:center}.foundations-inner span{color:var(--color-text);font-weight:700;font-size:1rem}.foundations-label{position:absolute;left:50%;top:50%;text-align:center;font-size:.9rem;font-weight:600;color:#0f172a;width:140px;transform-origin:center;pointer-events:none}.label-1{transform:translate(-10px,-85px) rotate(45deg)}.label-2{transform:translate(-10px,55px) rotate(135deg)}.label-3{transform:translate(-130px,40px) rotate(225deg)}.label-4{transform:translate(-140px,-75px) rotate(315deg)}.foundations-scale{transform:scale(1.5);transform-origin:center}.students-page{max-width:1120px;margin:0 auto;padding:2rem 1.5rem 4rem}.students-hero{margin-bottom:2rem}.students-hero h1{font-size:clamp(2rem,3vw,2.6rem);margin-bottom:.5rem}.students-hero p{color:var(--color-muted)}.gate{max-width:640px;margin:4rem auto;padding:2rem;border-radius:var(--radius-lg, 1rem);background:#0f172acc;border:1px solid rgba(148,163,184,.4);text-align:center}.gate-actions{margin-top:1.5rem;display:flex;justify-content:center;gap:.75rem}.foundations-wrapper{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1.6fr);gap:2.5rem;align-items:center}@media(max-width:900px){.foundations-wrapper{grid-template-columns:minmax(0,1fr)}}.foundations-circle{position:relative;width:min(24rem,80vw);height:min(24rem,80vw);margin:0 auto}.foundations-core{position:absolute;inset:0;display:grid;place-items:center;border-radius:50%;background:radial-gradient(circle at top,rgba(56,189,248,.18),transparent 55%),radial-gradient(circle at bottom,rgba(129,140,248,.25),transparent 60%),var(--color-surface, #020617);box-shadow:0 0 40px #3b82f680}.core-inner{text-align:center;padding:1.5rem 2rem;border-radius:999px;background:#0f172ad9;border:1px solid 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li{margin-bottom:.4rem}.plan-cta{display:flex;flex-direction:column;gap:.5rem}.plan-helper{margin:0;font-size:.9rem;color:var(--color-muted)}.plan-helper a{color:var(--color-primary)}.auth-page{min-height:calc(100vh - 120px);display:flex;align-items:center;justify-content:center;padding:2rem 1rem 3rem}.auth-card{width:100%;max-width:420px;padding:2rem 2.2rem;border-radius:var(--radius-lg, 1rem);background:#0f172ae6;border:1px solid rgba(148,163,184,.5);box-shadow:var(--shadow-soft, 0 18px 40px rgba(15, 23, 42, .45))}.auth-card h1{margin-top:0;margin-bottom:.4rem;font-size:1.5rem}.auth-card p{margin-top:0;margin-bottom:1rem;color:var(--color-muted)}.auth-widget{margin-top:.75rem}@media(max-width:768px){.site-header-inner{flex-wrap:wrap}.hero{grid-template-columns:1fr}}