:root {
  --navy: #071b36;
  --navy2: #0d2d55;
  --blue: #1d77c8;
  --gold: #c88a12;
  --gold-light: #f2c461;
  --red: #c93649;
  --ink: #10233c;
  --muted: #5e6c7d;
  --line: #dce5ef;
  --paper: #fff;
  --soft: #f4f8fc;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 17px/1.7 Inter, "Segoe UI", Arial, sans-serif; }
a { color: var(--navy); }
a:focus-visible, summary:focus-visible { outline: 3px solid #2275b7; outline-offset: 4px; }
.wrap { width: min(1160px, calc(100% - 32px)); margin-inline: auto; }

.topbar { background: var(--navy); color: #d8e5f4; font-size: .88rem; }
.topbar .wrap { display: flex; justify-content: space-between; gap: 16px; padding: 9px 0; }
.topbar a { color: inherit; text-decoration: none; }
.topbar a:hover { text-decoration: underline; }
.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgb(255 255 255 / 96%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px 24px; min-height: 76px; padding: 10px 0; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; text-decoration: none; line-height: 1.3; }
.brand img { width: 54px; height: 54px; border-radius: 11px; object-fit: contain; }
.brand strong { display: block; font-size: 1.12rem; }
.brand small { display: block; color: var(--muted); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.nav-links { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 18px; font-size: .92rem; }
.nav-links a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; font-weight: 700; }
.nav-links a:hover { text-decoration: underline; }
.nav-links [aria-current="page"] { padding: 0 15px; border-radius: 999px; background: var(--red); color: white; }

.hero {
  border-top: 3px solid var(--gold);
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy2) 68%, #164d84 100%);
  color: white;
}
.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
  gap: 48px;
  align-items: center;
  padding: 44px 0;
}
.eyebrow { text-transform: uppercase; letter-spacing: .1em; font-size: .78rem; color: var(--red); font-weight: 800; }
.hero .eyebrow {
  display: inline-block;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgb(255 255 255 / 10%);
  color: #d8e8f8;
}
.hero h1 { margin: 18px 0 0; font-size: clamp(2.5rem, 5vw, 4.35rem); line-height: 1.04; letter-spacing: -.045em; text-wrap: balance; }
.hero h1 span { color: var(--gold-light); }
.hero-copy p { max-width: 35rem; margin: 0; font-size: 1.12rem; color: #d3dfec; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 9px 16px;
  border: 1px solid rgb(255 255 255 / 34%);
  border-radius: 12px;
  background: rgb(255 255 255 / 8%);
  color: white;
  font-weight: 700;
  text-decoration: none;
}
.hero-actions a:hover { background: rgb(255 255 255 / 17%); }
.hero-actions a:focus-visible, .topbar a:focus-visible { outline-color: var(--gold-light); }

.exam-anchors span { display: block; }
.exam-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}
.exam-tabs a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  color: var(--navy);
  font-weight: 800;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
}
.exam-tabs a:hover { border-color: var(--blue); }
.exam-tabs a[aria-selected="true"] {
  border-color: var(--navy);
  background: var(--navy);
  color: white;
  box-shadow: inset 0 -3px var(--gold);
}
.exam-panels > .course[hidden],
.exam-panels:not([data-tabs-ready]) > .course { display: none; }
#materials:has(#ielts:target) .exam-panels:not([data-tabs-ready]) > #exam-panel-ielts,
#materials:has(#gre:target) .exam-panels:not([data-tabs-ready]) > #exam-panel-gre,
#materials:has(#sat:target) .exam-panels:not([data-tabs-ready]) > #exam-panel-sat,
#materials:has(#igcse:target) .exam-panels:not([data-tabs-ready]) > #exam-panel-igcse,
#materials:has(#a-level:target) .exam-panels:not([data-tabs-ready]) > #exam-panel-a-level,
.exam-panels:not([data-tabs-ready]) > .course:has(tr:target) { display: block; }
.exam-panels > .course { margin: 18px 0 0; }
.access-info { padding-bottom: 48px; }

.story{padding:65px 0 18px}.story-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:65px}.story-row.reverse .scene{order:2}.story h2,.packages h2{font-size:clamp(1.8rem,3.4vw,2.7rem);line-height:1.18;color:var(--navy);letter-spacing:-.025em;margin:8px 0 18px}.story h3{font-size:1.3rem;line-height:1.3;color:var(--navy);margin:0 0 16px}.story p{margin:0 0 17px}.byline{font-size:.92rem;font-weight:700;color:var(--red)}.byline em{display:block;font-weight:400}figure{margin:0}.scene{border-radius:16px;overflow:hidden;background:#f2eade}.scene svg{display:block;width:100%;height:auto}.scene figcaption{background:#f9f5ef;padding:10px 16px;font-size:.82rem;color:var(--muted)}.story ol{padding-left:23px}.story li{padding:3px 0}.learning-note{margin:0 0 48px;max-width:850px;font-size:1.04rem}.illustration-note{color:var(--muted);font-size:.8rem;margin:0 0 26px}
.packages{background:var(--soft);padding:60px 0}.packages>.wrap>p{max-width:780px}.course{background:white;border:1px solid var(--line);border-radius:16px;padding:28px;margin:30px 0;scroll-margin-top:24px}.course h3{font-size:1.5rem;line-height:1.3;color:var(--navy);margin:0 0 10px}.course>p{margin:0 0 22px;color:var(--muted)}.package-table{border-collapse:collapse;width:100%;font-size:.93rem}.package-table th{text-align:left;font-size:.77rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);padding:12px 10px;border-bottom:2px solid var(--line)}.package-table td{padding:17px 10px;border-bottom:1px solid var(--line);vertical-align:top}.package-table tr:last-child td{border-bottom:0}.package-table td:first-child{width:40%}.package-table td:nth-child(2),.package-table td:nth-child(3){white-space:nowrap}.package-table td:last-child{min-width:140px}.package-name{display:block;font-weight:750;color:var(--navy)}.package-description{font-size:.85rem;display:block;line-height:1.55;color:var(--muted);margin-top:5px}.package-table tr.selected{background:#fff7f7;outline:2px solid var(--red);outline-offset:-2px}.buy-link{display:inline-flex;align-items:center;justify-content:center;padding:7px 12px;min-height:36px;background:var(--red);color:white;text-decoration:none;border-radius:7px;font-size:.85rem;font-weight:700}.sample-link{display:block;font-size:.82rem;margin-top:8px}.price-link{text-underline-offset:4px}.regular-price{display:block;color:var(--muted);font-size:.78rem;text-decoration:line-through}.offer-note{display:block;color:#8b3541;font-size:.75rem;white-space:normal}.bundle .package-name:after{content:'Complete collection';display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--red);margin-top:3px}.access-terms{max-width:860px;margin-top:35px;font-size:.91rem}.access-terms h3{font-size:1.2rem;margin-bottom:8px;color:var(--navy)}.access-terms p{margin:8px 0}.muted{color:var(--muted)}.footer{padding:30px 0;color:var(--muted);font-size:.85rem;border-top:1px solid var(--line)}.footer .wrap{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.usd-approx{display:block;color:var(--muted);font-size:.79rem;font-weight:500}
@media (min-width: 1100px) {
  .hero h1 span { white-space: nowrap; }
}
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .hero h1 { max-width: 21ch; }
  .hero-actions { margin-top: 18px; }
}
@media (max-width: 660px) {
  html { scroll-padding-top: 18px; }
  .topbar .wrap { justify-content: center; }
  .topbar .wrap span:last-child { display: none; }
  .site-nav { position: static; }
  .site-nav .wrap { flex-wrap: wrap; gap: 6px 18px; }
  .brand img { width: 44px; height: 44px; }
  .nav-links { gap: 4px 12px; }
  .nav-links [aria-current="page"] { padding-inline: 12px; }
  .hero .wrap { padding: 36px 0; }
  .exam-tabs { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .exam-tabs a { grid-column: span 2; }
  .exam-tabs a:nth-last-child(-n+2) { grid-column: span 3; }
}
@media (max-width: 420px) {
  .nav-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; }
  .nav-links a { justify-self: start; }
}
@media(max-width:760px){body{font-size:16px}.story{padding-top:38px}.story-row{grid-template-columns:1fr;gap:24px;margin-bottom:42px}.story-row.reverse .scene{order:0}.story-row .scene{order:0}.story-row .story-copy{order:1}.story h2{font-size:2rem}.course{padding:20px 16px}.packages{padding:36px 0}.package-table thead{display:none}.package-table,.package-table tbody{display:block;width:100%}.package-table tr{display:grid;grid-template-columns:1fr 1fr;padding:15px 0;border-bottom:1px solid var(--line)}.package-table td{display:block;padding:6px 4px;border:0}.package-table td:first-child{grid-column:1/-1;width:100%}.package-table td:last-child{grid-column:1/-1;display:flex;align-items:center;gap:18px}.package-table td[data-label]:before{content:attr(data-label);display:block;font-size:.72rem;color:var(--muted);margin-bottom:2px}.sample-link{margin:0}}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  .topbar, .site-nav, .hero-actions, .exam-tabs, .buy-link, .sample-link { display: none; }
  .hero, .story, .packages { padding: 15px 0; background: white; }
  .hero .wrap { display: block; padding: 0; }
  .hero, .hero h1 span, .hero-copy p, .hero .eyebrow { color: var(--navy); }
  .story-row, .course { break-inside: avoid; }
  .story-row { gap: 25px; margin-bottom: 25px; }
}