:root{--ink:#14394f;--blue:#2f6f8e;--cream:#fffaf0;--coral:#ef806d;--mint:#dff3e9;--yellow:#ffe8a8}
body{background:#f7f3e9}.topbar{background:rgba(255,253,247,.96)}
.brand-mark,.section-no{background:var(--coral)}.mission-strip{background:linear-gradient(120deg,#dff3e9,#fff3c9)}
.hero{min-height:520px;border-radius:34px}.hero img{filter:saturate(.9)}.hero-shade{background:linear-gradient(90deg,rgba(12,43,61,.9) 0%,rgba(12,43,61,.55) 48%,rgba(12,43,61,.06) 78%)}
.hero-copy{max-width:650px}.hero-copy h1{font-size:clamp(42px,6vw,78px)}.hero-copy p{font-size:19px;line-height:1.75}
.lesson-section{border-radius:30px}.section-head h2{font-size:clamp(30px,4vw,50px)}
.reading-section .section-head h2{font-style:italic}.passage{display:grid;gap:5px;padding:26px 30px;background:#fffaf0;border:1px solid #e4dac5;border-radius:22px}.passage .story-line{display:block;margin:0;padding:8px 4px;font-size:24px;line-height:1.6}.line-dot{display:none}.passage mark{padding:0 2px;color:inherit;background:linear-gradient(transparent 58%,#ffe28a 58%)}.vocab-card h3{font-size:29px}.quiz-item h3{font-size:21px;line-height:1.6}
.quiz-option{font-size:18px;min-height:64px}.writing-mission{color:#14394f;background:#ffe9a8;border:1px solid #edcf74}.writing-mission>span{color:#2f6f8e}.writing-mission h3{color:#14394f}.writing-mission p{color:#38586a}.writing-mission i{color:#14394f;background:rgba(255,255,255,.48);border-color:#d6b95d}.writing-card{border-radius:24px}
@media(max-width:760px){.hero{min-height:580px}.hero-shade{background:linear-gradient(0deg,rgba(12,43,61,.94),rgba(12,43,61,.15))}.hero-copy{top:auto;bottom:30px}.passage{padding:20px 16px}.passage .story-line{font-size:21px}}