:root{
  --bg:#f6f4ef;
  --surface:#ffffff;
  --ink:#1f2a2e;
  --muted:#647177;
  --accent:#214c51;
  --accent-deep:#173a3f;
  --accent-soft:#e6efec;
  --line:#d9ded8;
  --warm:#b38b62;
  --alt:#ece9e1;
  --max:1120px;
  --radius:18px;
  --shadow:0 14px 34px rgba(25,45,48,.075);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.65}
img{max-width:100%;display:block}
a{color:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(246,244,239,.95);backdrop-filter:blur(10px);border-bottom:1px solid rgba(217,222,216,.92)}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:22px;position:relative}
.brand{font-weight:850;text-decoration:none;letter-spacing:-.025em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.96rem}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--ink)}
.menu-toggle{display:none;border:1px solid var(--line);background:rgba(255,255,255,.8);border-radius:999px;padding:9px 13px;font:inherit;font-weight:750;color:var(--ink);cursor:pointer}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:999px;text-decoration:none;font-weight:780;border:1px solid transparent;transition:background .15s ease,border-color .15s ease,transform .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#fff!important;-webkit-text-fill-color:#fff}
.btn-primary:hover{background:var(--accent-deep)}
.btn-secondary{border-color:var(--line);background:rgba(255,255,255,.72)}
.btn-secondary:hover{background:#fff;border-color:#c7cfca}
.btn-small{min-height:42px;padding:0 17px;font-size:.92rem}
.hero{padding:88px 0 64px}
.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;padding:7px 11px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:780;font-size:.85rem}
h1,h2,h3{line-height:1.1;letter-spacing:-.035em;margin:0 0 18px}
h1{font-size:clamp(2.75rem,6.6vw,4.85rem);max-width:13ch}
h2{font-size:clamp(2rem,4vw,3rem)}
h3{font-size:1.22rem}
p{margin:0 0 16px}
.lede{font-size:1.18rem;color:var(--muted);max-width:760px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 0}
.trust-row{display:flex;gap:8px 18px;flex-wrap:wrap;margin-top:22px;color:var(--muted);font-size:.92rem}
.trust-row span{position:relative}
.trust-row span:not(:last-child)::after{content:"·";position:absolute;right:-12px;color:#a5aca8}
.hero-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.price{font-size:2.6rem;font-weight:850;letter-spacing:-.05em}
.price span{font-size:1rem;color:var(--muted);font-weight:500;letter-spacing:0}
.checks{list-style:none;padding:0;margin:22px 0 0}
.checks li{padding:9px 0 9px 28px;position:relative;border-top:1px solid #eef0eb}
.checks li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:850}
.section{padding:72px 0}
.section.alt{background:var(--alt)}
.section-head{max-width:790px;margin-bottom:36px}
.kicker{color:var(--accent);font-weight:850;text-transform:uppercase;letter-spacing:.08em;font-size:.76rem;margin-bottom:10px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card p{color:var(--muted)}
.card p:last-child{margin-bottom:0}
.card-link{display:inline-block;margin-top:4px;color:var(--accent);font-weight:780;text-decoration:none}
.subject-code{font-size:2rem;font-weight:850;letter-spacing:-.04em;color:var(--accent);margin-bottom:8px}
.steps{counter-reset:step}
.step{position:relative;padding-left:64px}
.step:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:white;font-weight:850}
.about-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:44px;align-items:start}
.profile-photo{width:100%;border-radius:26px;box-shadow:var(--shadow);border:1px solid rgba(33,76,81,.14);aspect-ratio:1.18/1;object-fit:cover;object-position:50% 42%}
.photo-caption{font-size:.82rem;color:var(--muted);margin-top:10px}
.soft-box{background:var(--accent-soft);border:1px solid #d5e3df;border-radius:var(--radius);padding:24px}
.note{border-left:4px solid var(--warm);padding:14px 18px;background:#fffaf4;border-radius:0 12px 12px 0}
.list-clean{padding-left:1.1rem}
.list-clean li{margin:.45rem 0}
.inline-links{display:flex;gap:16px;flex-wrap:wrap;margin-top:18px}
.inline-links a{font-weight:780;color:var(--accent);text-decoration:none}
.resource-box{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:center;background:var(--accent-soft);border:1px solid #d1e1dc;border-radius:24px;padding:32px}
.resource-meta{color:var(--muted);font-size:.9rem;margin-top:12px}
.resource-points{margin:0;padding-left:1.1rem;color:var(--muted)}
.resource-points li{margin:.45rem 0}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:12px 0}
.faq summary{cursor:pointer;font-weight:780}
.faq p{color:var(--muted);margin:12px 0 0}
.page-hero{padding:72px 0 40px}
.page-hero h1{font-size:clamp(2.55rem,6vw,4.45rem);max-width:16ch}
.content-narrow{max-width:790px}
.subject-topics{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.topic{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.topic strong{display:block;margin-bottom:5px;color:var(--accent-deep)}
.topic span{color:var(--muted);font-size:.94rem}
.table{width:100%;border-collapse:collapse;background:white;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.table th,.table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.table th{background:#f1f4f1}
.table tr:last-child td{border-bottom:0}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.price-card.featured{border-color:#a9c2bc;box-shadow:var(--shadow)}
.price-card .amount{font-size:2.3rem;font-weight:850;letter-spacing:-.05em;color:var(--accent);margin:8px 0}
.price-card p{color:var(--muted)}
.policy-section{padding:26px 0;border-top:1px solid var(--line)}
.policy-section:first-of-type{border-top:0}
.small{font-size:.9rem;color:var(--muted)}
.cta{background:var(--accent);color:white;border-radius:28px;padding:46px;display:flex;justify-content:space-between;align-items:center;gap:24px}
.cta p{color:#d9e5e2;margin-bottom:0}
.cta .btn{background:white;color:var(--accent)!important;-webkit-text-fill-color:var(--accent)}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}
.cta .btn.ghost{background:transparent;border-color:rgba(255,255,255,.45);color:white!important;-webkit-text-fill-color:white}
footer{padding:34px 0 48px;color:var(--muted);font-size:.9rem}
footer .container{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:center}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a{text-decoration:none}
.footer-links a:hover{color:var(--ink)}
@media(max-width:900px){
  .hero-grid,.about-wrap,.resource-box{grid-template-columns:1fr}
  .profile-photo{max-width:620px}
  .pricing-grid{grid-template-columns:1fr}
}
@media(max-width:820px){
  .container{width:min(var(--max),calc(100% - 28px))}
  .nav{min-height:66px}
  .menu-toggle{display:inline-flex}
  .nav-links{display:none;position:absolute;left:0;right:0;top:66px;background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:var(--shadow);align-items:stretch;flex-direction:column;gap:3px}
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 12px;border-radius:10px}
  .nav-links .btn{margin-top:5px}
  .hero{padding:60px 0 48px}
  .section{padding:58px 0}
  .grid-3,.grid-2,.subject-topics{grid-template-columns:1fr}
  .hero-card{max-width:580px}
  .cta{align-items:flex-start;flex-direction:column;padding:32px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .trust-row span:not(:last-child)::after{display:none}
  .trust-row{gap:8px 12px}
  h1{max-width:14ch}
  .table,.table thead,.table tbody,.table th,.table td,.table tr{display:block}
  .table thead{display:none}
  .table tr{border-bottom:1px solid var(--line);padding:10px 0}
  .table td{border:0;padding:7px 16px}
}
@media(max-width:520px){
  .brand{font-size:.95rem}
  .hero-actions,.cta-actions{flex-direction:column}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .resource-box{padding:24px}
}


.resource-link{display:block;margin-top:7px;color:var(--muted);font-size:.9rem;font-weight:700;text-decoration:none}
.resource-link:hover{color:var(--accent)}
.study-hours-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.study-stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.study-stat .subject-code{display:block;font-size:1rem;margin-bottom:7px}
.study-stat strong{display:block;font-size:2.35rem;line-height:1;letter-spacing:-.05em;color:var(--accent-deep);margin-bottom:8px}
.study-stat>span:last-child{color:var(--muted);font-size:.93rem}
.source-note{margin-top:18px;color:var(--muted);font-size:.9rem}
.source-note a{color:var(--accent);font-weight:700}
.number-list{padding-left:1.25rem;margin:0}
.number-list li{margin:0 0 16px;padding-left:4px;color:var(--muted)}
.number-list strong{color:var(--ink)}
@media(max-width:820px){.study-hours-grid{grid-template-columns:1fr}}


.email-toast{
  position:fixed;
  left:50%;
  bottom:24px;
  z-index:1000;
  max-width:min(520px,calc(100% - 32px));
  transform:translate(-50%,18px);
  background:#173a3f;
  color:#fff;
  padding:12px 16px;
  border-radius:12px;
  box-shadow:0 14px 34px rgba(25,45,48,.18);
  font-size:.9rem;
  line-height:1.4;
  opacity:0;
  pointer-events:none;
  transition:opacity .18s ease,transform .18s ease;
}
.email-toast.show{opacity:1;transform:translate(-50%,0)}