body{background-size:32px 32px}
.bar-in{max-width:1120px}.wrap.portal{max-width:1120px}
.portal-hero{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:center;padding:42px 0 24px}
.portal-hero h1{font-size:clamp(2rem,5vw,3.25rem);line-height:1.25;margin:12px 0}
.portal-hero p{color:var(--ink-soft);max-width:38em}.eyebrow{font-size:.85rem;letter-spacing:.07em;color:var(--tr);font-weight:700}
.hero-doodle{display:grid;grid-template-columns:1fr 1fr;gap:12px;transform:rotate(-3deg)}
.hero-doodle div{padding:24px 12px;text-align:center;border:2px solid var(--line);border-radius:22px;background:var(--card);font-size:2.8rem}
.hero-doodle div:nth-child(2){background:var(--pe-soft);transform:translateY(16px)}
.portal-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:30px 0 16px}.portal-heading h2{font-size:1.5rem}
.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.course-card{--acc:var(--tr);display:flex;flex-direction:column;align-items:flex-start;gap:14px;border:2px solid var(--line);background:var(--card);border-radius:22px;padding:24px;text-decoration:none;color:var(--ink);min-width:0;min-height:270px}
a.course-card:hover{border-color:var(--acc);box-shadow:0 6px 0 var(--line)}
.course-icon{font-size:2.4rem;line-height:1;padding:14px;background:color-mix(in srgb,var(--acc) 12%,var(--card));border-radius:16px}
.course-card h2{font-size:1.65rem}.course-card p{margin:0;font-size:.95rem;color:var(--ink-soft)}
.course-meta{font-size:.82rem;color:var(--ink-soft);display:flex;gap:6px;flex-wrap:wrap}.course-open{margin-top:auto;font-weight:700;color:var(--acc)}
.course-card.soon{border-style:dashed;background:var(--paper);min-height:220px}.course-card.soon .course-icon{font-size:1.8rem}
.badge{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:3px 10px;background:var(--paper);font-size:.8rem;font-weight:700}
.course-explainer{border-left:4px solid var(--tr);padding:12px 18px;border-radius:0 12px 12px 0;background:var(--tr-soft);margin:24px 0;font-size:.95rem}
.learning-path{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:24px 0}.learning-path div{background:var(--card);padding:18px;border-radius:16px;border:1px solid var(--line)}.learning-path b{color:var(--tr)}.learning-path p{margin:6px 0 0;font-size:.9rem;color:var(--ink-soft)}
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:20px}.topic-card{display:flex;flex-direction:column;gap:12px;background:var(--card);border:2px solid var(--line);border-radius:20px;padding:24px;text-decoration:none;color:var(--ink);min-width:0}.topic-card h2{font-size:1.6rem}.topic-card ol{padding-left:1.4em;margin:0;font-size:.95rem;color:var(--ink-soft)}.topic-card:hover{border-color:var(--tr)}
@media(max-width:900px){.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.portal-hero{grid-template-columns:1fr;padding-top:26px}.hero-doodle{display:none}.course-grid,.topic-grid,.learning-path{grid-template-columns:1fr}.course-card{min-height:230px}.portal-heading{align-items:flex-start}.bar-in{gap:8px}}
@media(prefers-reduced-motion:reduce){.hero-doodle{transform:none}}
.schedule-note{font-size:.85rem;color:var(--ink-soft);margin:0}
.course-grid:has(>.course-card:nth-child(4)){grid-template-columns:repeat(2,minmax(0,1fr))}
summary::before{content:'＋';margin-right:8px;color:var(--tr)}details[open]>summary::before{content:'−'}
@media(max-width:600px){.course-grid:has(>.course-card:nth-child(4)){grid-template-columns:1fr}}