.guide-page { background: #fff; }
.guide-page .site-header { background: rgba(4,18,37,.96); }

.guide-hero {
  position: relative;
  overflow: hidden;
  padding: 10rem 0 6rem;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 22%, rgba(57,219,255,.2), transparent 28%),
    radial-gradient(circle at 70% 80%, rgba(18,104,243,.22), transparent 34%),
    linear-gradient(135deg, var(--navy-950), #08284f 72%, #0b3768);
}
.guide-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .2;
  background-image: linear-gradient(rgba(57,219,255,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(57,219,255,.2) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, transparent 5%, #000 65%, transparent 100%);
}
.guide-hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.25fr .75fr; gap: 5rem; align-items: end; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: 2rem; color: rgba(255,255,255,.58); font-size: .82rem; }
.breadcrumb a:hover { color: var(--cyan-400); }
.guide-kicker { margin: 0 0 1rem; color: var(--cyan-400); font-size: .82rem; font-weight: 820; letter-spacing: .16em; text-transform: uppercase; }
.guide-hero h1 { margin: 0; max-width: 800px; font-size: clamp(3rem, 5.4vw, 5.25rem); line-height: 1.03; letter-spacing: -.06em; }
.guide-hero h1 em { color: var(--cyan-400); font-style: normal; }
.guide-lead { max-width: 760px; margin: 1.6rem 0 0; color: rgba(255,255,255,.75); font-size: 1.12rem; line-height: 1.8; }
.guide-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.guide-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2rem; }
.guide-tags span { padding: .42rem .72rem; color: rgba(255,255,255,.8); border: 1px solid rgba(255,255,255,.22); border-radius: 999px; font-size: .8rem; }
.guide-snapshot { padding: 1.8rem; background: rgba(4,18,37,.62); border: 1px solid rgba(57,219,255,.28); border-radius: var(--radius); box-shadow: var(--shadow); backdrop-filter: blur(14px); }
.guide-snapshot > span { color: var(--lime-400); font-size: .78rem; font-weight: 820; letter-spacing: .12em; }
.guide-snapshot h2 { margin: .65rem 0 1.4rem; font-size: 1.55rem; line-height: 1.25; }
.guide-snapshot dl { margin: 0; }
.guide-snapshot dl div { display: grid; grid-template-columns: 6rem 1fr; gap: 1rem; padding: .75rem 0; border-top: 1px solid rgba(255,255,255,.13); }
.guide-snapshot dt { color: rgba(255,255,255,.5); font-size: .82rem; }
.guide-snapshot dd { margin: 0; font-size: .9rem; font-weight: 680; }

.guide-section { padding: 7rem 0; }
.guide-section.surface { background: var(--surface); }
.guide-section.dark { color: white; background: var(--navy-950); }
.guide-section-head { display: grid; grid-template-columns: .62fr 1.38fr; gap: 5rem; align-items: start; margin-bottom: 3rem; }
.guide-section-head h2 { margin: 0; font-size: clamp(2.15rem, 3.7vw, 3.7rem); line-height: 1.1; letter-spacing: -.055em; }
.guide-section-head > div > p { margin: 0 0 .65rem; color: var(--blue-600); font-size: .78rem; font-weight: 820; letter-spacing: .12em; text-transform: uppercase; }
.guide-section-head > p { margin: .3rem 0 0; color: var(--muted); font-size: 1.04rem; }
.dark .guide-section-head > div > p { color: var(--cyan-400); }
.dark .guide-section-head > p { color: rgba(255,255,255,.63); }

.guide-copy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.guide-copy-card { padding: 2rem; background: white; border: 1px solid var(--line); border-radius: var(--radius); }
.guide-copy-card.accent { color: white; background: linear-gradient(145deg, #0a2c56, #0e4b8e); border: 0; }
.guide-copy-card .number { display: block; margin-bottom: 2.4rem; color: var(--blue-600); font-size: .76rem; font-weight: 850; letter-spacing: .12em; }
.guide-copy-card.accent .number { color: var(--lime-400); }
.guide-copy-card h3 { margin: 0 0 .8rem; font-size: 1.5rem; letter-spacing: -.035em; }
.guide-copy-card p { margin: 0; color: var(--muted); }
.guide-copy-card.accent p { color: rgba(255,255,255,.72); }

.learning-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: .8rem; }
.learning-card { position: relative; min-height: 250px; padding: 1.6rem; background: white; border: 1px solid var(--line); border-radius: var(--radius); }
.learning-card .semester { width: auto; height: auto; display: inline-block; padding: .35rem .7rem; background: #eaf2ff; border: 0; color: var(--blue-600); }
.learning-card h3 { margin: 2.7rem 0 .7rem; font-size: 1.28rem; }
.learning-card p { margin: 0; color: var(--muted); font-size: .91rem; }
.learning-card ul { margin: 1rem 0 0; padding: 0; list-style: none; color: var(--muted); font-size: .84rem; }
.learning-card li { padding: .2rem 0; }
.learning-card li::before { content: "·"; margin-right: .4rem; color: var(--cyan-400); font-weight: 900; }

.evidence-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 1rem; }
.evidence-lead, .evidence-list { padding: 2.2rem; border-radius: var(--radius); }
.evidence-lead { color: var(--navy-950); background: var(--lime-400); }
.evidence-lead span { font-size: .78rem; font-weight: 850; letter-spacing: .12em; }
.evidence-lead strong { display: block; margin-top: 3rem; font-size: clamp(3rem, 6vw, 5.5rem); line-height: .9; letter-spacing: -.08em; }
.evidence-lead p { margin: 1rem 0 0; max-width: 430px; }
.evidence-list { background: #0a2444; border: 1px solid rgba(255,255,255,.1); }
.evidence-item { display: grid; grid-template-columns: 5.2rem 1fr; gap: 1.3rem; padding: 1.25rem 0; border-bottom: 1px solid rgba(255,255,255,.13); }
.evidence-item:last-child { border-bottom: 0; }
.evidence-item > span { color: var(--cyan-400); font-size: .78rem; font-weight: 820; }
.evidence-item h3 { margin: 0 0 .35rem; font-size: 1.15rem; }
.evidence-item p { margin: 0; color: rgba(255,255,255,.6); font-size: .9rem; }

.career-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.career-card { min-height: 255px; padding: 1.8rem; background: white; border: 1px solid var(--line); border-radius: var(--radius); }
.career-card > span { display: grid; place-items: center; width: 2.7rem; height: 2.7rem; color: var(--navy-950); background: var(--cyan-400); border-radius: .8rem .8rem .8rem .18rem; font-size: .82rem; font-weight: 900; }
.career-card h3 { margin: 2.4rem 0 .6rem; font-size: 1.35rem; }
.career-card p { margin: 0; color: var(--muted); font-size: .92rem; }

.related-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: .8rem; }
.related-card { display: flex; min-height: 180px; flex-direction: column; padding: 1.4rem; border: 1px solid var(--line); border-radius: 1rem; background: white; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.related-card:hover { transform: translateY(-4px); border-color: #9abdf7; box-shadow: 0 16px 36px rgba(4,25,58,.1); }
.related-card span { color: var(--blue-600); font-size: .74rem; font-weight: 830; letter-spacing: .08em; }
.related-card strong { margin-top: 1.7rem; font-size: 1.13rem; line-height: 1.35; }
.related-card small { margin-top: auto; color: var(--muted); }

.guide-faq { border-top: 2px solid var(--ink); }
.guide-faq details { border-bottom: 1px solid var(--line); }
.guide-faq summary { position: relative; padding: 1.35rem 3rem 1.35rem 0; cursor: pointer; list-style: none; font-size: 1.05rem; font-weight: 750; }
.guide-faq summary::-webkit-details-marker { display: none; }
.guide-faq summary::after { content: "+"; position: absolute; right: .5rem; color: var(--blue-600); }
.guide-faq details[open] summary::after { content: "−"; }
.guide-faq p { margin: 0; max-width: 880px; padding: 0 3rem 1.4rem 0; color: var(--muted); }

.guide-cta { padding: 5.5rem 0; color: white; background: linear-gradient(120deg, #0b4da1, #1268f3 60%, #0a8db4); }
.guide-cta-inner { display: grid; grid-template-columns: 1fr auto; gap: 3rem; align-items: center; }
.guide-cta h2 { margin: 0; font-size: clamp(2.1rem, 3.7vw, 3.6rem); line-height: 1.08; letter-spacing: -.05em; }
.guide-cta p { margin: 1rem 0 0; color: rgba(255,255,255,.73); }
.guide-cta .guide-actions { margin: 0; justify-content: flex-end; }

@media (max-width: 980px) {
  .guide-hero-inner, .guide-section-head, .evidence-grid, .guide-cta-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .guide-snapshot { max-width: 560px; }
  .learning-grid { grid-template-columns: 1fr 1fr; }
  .career-grid { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .guide-cta .guide-actions { justify-content: flex-start; }
}

@media (max-width: 640px) {
  .guide-hero { padding: 7.7rem 0 4.5rem; }
  .guide-hero h1 { font-size: clamp(2.7rem, 12vw, 4rem); }
  .guide-lead { font-size: 1rem; }
  .guide-snapshot { padding: 1.3rem; }
  .guide-snapshot dl div { grid-template-columns: 5rem 1fr; }
  .guide-section { padding: 5.3rem 0; }
  .guide-copy-grid, .learning-grid, .career-grid, .related-grid { grid-template-columns: 1fr; }
  .learning-card, .career-card { min-height: auto; }
  .evidence-lead strong { margin-top: 2rem; }
  .guide-actions .button { width: 100%; }
}