.module-hero,.lesson-hero,.portfolio-hero{padding:58px 0;background:linear-gradient(135deg,#edf4ff,#f9fbff);border-bottom:1px solid var(--border)}
.module-hero h1,.lesson-hero h1,.portfolio-hero h1{font-size:clamp(2.4rem,5vw,4.2rem);line-height:1.05;margin:10px 0}
.lesson-roadmap{display:grid;gap:18px}.roadmap-item{display:grid;grid-template-columns:60px 1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:20px;padding:22px;box-shadow:var(--shadow)}
.roadmap-item.completed{border-color:#b9dfc3}.roadmap-item.locked{opacity:.62}.roadmap-number{width:50px;height:50px;border-radius:16px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900}
.lesson-layout{display:grid;grid-template-columns:230px 1fr;gap:28px;padding-top:38px;padding-bottom:70px}.lesson-nav{height:max-content;position:sticky;top:95px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px;display:grid;gap:10px}
.lesson-content{display:grid;gap:22px}.lesson-section-card{background:#fff;border:1px solid var(--border);border-radius:20px;padding:28px;box-shadow:var(--shadow);scroll-margin-top:90px}.lesson-reading{font-size:1.05rem;line-height:1.9}
.coach-tip{margin-top:24px;padding:17px;background:#fff8e7;border:1px solid #f4dda0;border-radius:13px}.quiz-form{display:grid;gap:20px}.quiz-question{border:1px solid var(--border);border-radius:14px;padding:18px}.quiz-option{display:flex;gap:10px;padding:10px}.quiz-option input{width:auto}
.portfolio-summary{display:flex;gap:18px;margin-top:28px}.portfolio-summary>div{background:#fff;border:1px solid var(--border);border-radius:15px;padding:16px;display:grid}.portfolio-summary strong{font-size:2rem}
.portfolio-list{display:grid;gap:18px}.portfolio-entry{background:#fff;border:1px solid var(--border);border-radius:18px;padding:24px;box-shadow:var(--shadow)}.portfolio-entry-head{display:flex;justify-content:space-between}.xp-pill{padding:7px 11px;border-radius:999px;background:#eaf8ef;color:var(--success);font-weight:850}
@media(max-width:850px){.lesson-layout{grid-template-columns:1fr}.lesson-nav{position:static}.roadmap-item{grid-template-columns:50px 1fr}.roadmap-item>div:last-child{grid-column:2}}