:root{
  --bg:#EDF1EE; --surface:#FFFFFF; --soft:#F4F7F5; --ink:#17302A; --muted:#566A63; --line:#CAD6CF;
  --d1:#2F6B8A; --d2:#3D7A4C; --d3:#A36B10; --d4:#7A4E86; --bad:#AE3D36; --focus:#2F6B8A;
  --sans:"Public Sans",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  color-scheme:light; box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0F1916; --surface:#17241F; --soft:#1C2B26; --ink:#E3ECE7; --muted:#9BAFA7; --line:#2C3D37;
    --d1:#72AACA; --d2:#7DB98A; --d3:#E2AA4C; --d4:#BC90C8; --bad:#E8857C; --focus:#72AACA; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0F1916; --surface:#17241F; --soft:#1C2B26; --ink:#E3ECE7; --muted:#9BAFA7; --line:#2C3D37;
  --d1:#72AACA; --d2:#7DB98A; --d3:#E2AA4C; --d4:#BC90C8; --bad:#E8857C; --focus:#72AACA; color-scheme:dark;
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 72px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--ink)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}

/* Header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:var(--bg);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;text-decoration:none;letter-spacing:-0.01em}
.logo svg{width:24px;height:24px}
.nav{display:flex;gap:22px;font-size:0.95rem}
.nav a{text-decoration:none;color:var(--muted);font-weight:500}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 22px;border-radius:8px;border:1px solid var(--line);background:var(--surface);font-weight:600;text-decoration:none;font-size:0.98rem;cursor:pointer;font-family:inherit;color:var(--ink)}
.btn:hover{border-color:var(--ink)}
.btn.primary{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.btn.primary:hover{opacity:.9}

/* Hero */
.hero{padding:64px 0 56px}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,0.9fr);gap:48px;align-items:center}
.hero h1{font-size:clamp(2.1rem,5vw,3.3rem);line-height:1.08;letter-spacing:-0.025em;margin:0 0 18px;font-weight:700}
.hero p.lead{font-size:1.15rem;color:var(--muted);margin:0 0 28px;max-width:34em}
.cta{display:flex;flex-wrap:wrap;gap:12px}

/* Sample study plan: the signature visual */
.sample{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px 22px 18px}
.sample .cap{font-size:0.82rem;color:var(--muted);margin:0 0 14px}
.sample .score{font-size:0.98rem;margin:0 0 16px}
.sample .score b{font-size:1.5rem;letter-spacing:-0.02em;margin-right:6px}
.scard{border:1px solid var(--line);border-left:4px solid var(--d2);border-radius:8px;padding:12px 14px;margin-bottom:10px;background:var(--soft)}
.scard:last-child{margin-bottom:0}
.scard h3{font-size:0.98rem;margin:0 0 2px}
.scard .m{font-size:0.8rem;font-weight:600;color:var(--bad);margin:0 0 6px}
.scard p{font-size:0.88rem;color:var(--muted);margin:0}

/* Sections */
section.band{padding:56px 0;border-top:1px solid var(--line)}
h2{font-size:clamp(1.5rem,3vw,1.9rem);letter-spacing:-0.02em;line-height:1.2;margin:0 0 12px}
.sub{color:var(--muted);margin:0 0 28px;max-width:40em}
.exam{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:24px 26px}
.exam h3{font-size:1.25rem;margin:0 0 6px;letter-spacing:-0.01em}
.exam p{margin:0;color:var(--muted)}
.domains{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:14px;font-size:0.88rem;color:var(--muted);padding:0;list-style:none}
.domains li{display:inline-flex;align-items:center;gap:7px}
.domains li::before{content:"";width:10px;height:10px;border-radius:2px;background:var(--dc)}
.more{margin:18px 0 0;color:var(--muted);font-size:0.95rem}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;counter-reset:s}
.steps li{counter-increment:s}
.steps li::before{content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--surface);font-weight:700;font-size:0.9rem;margin-bottom:12px}
.steps h3{font-size:1.05rem;margin:0 0 6px}
.steps p{margin:0;color:var(--muted)}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.facts h3{font-size:1.05rem;margin:0 0 6px}
.facts p{margin:0;color:var(--muted)}
.signup{display:flex;flex-wrap:wrap;gap:10px;max-width:520px}
.signup input{flex:1 1 240px;min-height:48px;padding:10px 14px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font:inherit}

/* Prose pages */
.prose{max-width:720px;padding:56px 0 64px}
.prose h1{font-size:clamp(2rem,4.5vw,2.6rem);letter-spacing:-0.02em;line-height:1.12;margin:0 0 10px}
.prose .meta{color:var(--muted);margin:0 0 32px;font-size:0.95rem}
.prose h2{font-size:1.3rem;margin:36px 0 10px}
.prose p,.prose li{max-width:68ch}
.prose ul{padding-left:22px}
.prose li{margin-bottom:6px}

/* Footer */
footer{border-top:1px solid var(--line);padding:32px 0 40px;font-size:0.86rem;color:var(--muted)}
footer .row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 24px;margin-bottom:14px}
footer nav{display:flex;flex-wrap:wrap;gap:18px}
footer a{color:var(--muted)}
footer p{margin:0;max-width:80ch}

@media (max-width:820px){
  .hero{padding:40px 0}
  .hero .wrap{grid-template-columns:1fr;gap:32px}
  .steps,.facts{grid-template-columns:1fr;gap:22px}
  .exam{grid-template-columns:1fr}
}
@media (max-width:460px){ .nav{gap:14px} .logo span{font-size:0.98rem} }
@media (prefers-reduced-motion:reduce){*{transition:none !important}}