:root {
  --forest: #3f694c;
  --forest-dark: #2f513b;
  --orange: #f0a41e;
  --orange-deep: #de771d;
  --sky: #bfe8f4;
  --sky-light: #eaf8fb;
  --cream: #fff8df;
  --paper: #fffdf5;
  --ink: #384b3a;
  --muted: #64705f;
  --line: rgba(61, 87, 65, 0.17);
  --shadow: 0 30px 80px rgba(44, 82, 70, 0.22);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Atkinson Hyperlegible", system-ui, sans-serif; font-size: 1.05rem; line-height: 1.62; }
img { display: block; max-width: 100%; }
a { color: inherit; }
.skip-link { position: fixed; top: 0.8rem; left: 0.8rem; z-index: 100; padding: 0.7rem 1rem; border-radius: 10px; background: white; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: absolute; inset: 1rem 0 auto; z-index: 10; display: flex; align-items: center; justify-content: space-between; width: min(1180px, calc(100% - 2rem)); margin: auto; padding: 0.8rem 1rem 0.8rem 1.2rem; color: var(--forest-dark); background: rgba(255, 248, 223, 0.9); border: 2px solid rgba(63, 105, 76, 0.42); border-radius: 22px; box-shadow: 0 12px 36px rgba(55, 99, 84, 0.13); backdrop-filter: blur(14px); }
.brand { display: flex; align-items: baseline; gap: 0.42rem; font-family: "Nunito", sans-serif; font-weight: 900; text-decoration: none; }
.brand-leafy { color: var(--orange-deep); letter-spacing: 0.04em; }
.brand-home { color: var(--forest); }
nav { display: flex; gap: 0.2rem; }
nav a { padding: 0.5rem 0.7rem; border-radius: 12px; font-size: 0.95rem; font-weight: 700; text-decoration: none; }
nav a:hover, nav a:focus-visible { color: white; background: var(--forest); }
.hero { position: relative; min-height: 810px; overflow: hidden; background: radial-gradient(circle at 75% 20%, rgba(255,255,255,0.94) 0 9%, transparent 30%), linear-gradient(160deg, #94d7ed 0%, var(--sky-light) 52%, #fff3c9 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); opacity: 0.78; }
.hero::before { width: 520px; height: 300px; left: -120px; bottom: -80px; background: #ef9a23; transform: rotate(12deg); }
.hero::after { width: 580px; height: 260px; right: -160px; bottom: -110px; background: var(--forest); transform: rotate(-9deg); }
.hero-sky { position: absolute; inset: 0; background-image: radial-gradient(circle at 20% 22%, rgba(255,255,255,0.48) 0 1px, transparent 2px); background-size: 29px 29px; opacity: 0.34; }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 0.78fr; gap: clamp(3rem, 7vw, 7rem); align-items: center; width: min(1120px, calc(100% - 2rem)); min-height: 810px; margin: auto; padding: 8rem 0 4.5rem; }
.eyebrow { margin: 0 0 1rem; color: var(--forest); font-family: "Nunito", sans-serif; font-size: 0.83rem; font-weight: 900; letter-spacing: 0.12em; line-height: 1.3; text-transform: uppercase; }
.eyebrow.green { color: var(--forest); }
.eyebrow.orange { color: var(--orange-deep); }
.eyebrow.cream { color: #ffe9a4; }
h1, h2, h3 { margin-top: 0; font-family: "Nunito", sans-serif; line-height: 1.04; letter-spacing: -0.045em; }
h1 { margin-bottom: 1.4rem; color: var(--forest-dark); font-size: clamp(3.4rem, 6.5vw, 6.6rem); }
h1 span { color: var(--orange-deep); }
h2 { margin-bottom: 1.25rem; color: var(--forest-dark); font-size: clamp(2.5rem, 5vw, 4.6rem); }
h3 { font-size: 1.6rem; }
.hero-summary { max-width: 620px; font-size: clamp(1.15rem, 2vw, 1.36rem); line-height: 1.5; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0.72rem 1.1rem; border: 2px solid transparent; border-radius: 14px; font-family: "Nunito", sans-serif; font-weight: 900; text-decoration: none; transition: transform 160ms ease, box-shadow 160ms ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(48,80,57,0.18); }
.button-primary { color: white; background: var(--forest); }
.button-secondary { color: var(--forest-dark); border-color: var(--forest); background: var(--cream); }
.reader-note { display: flex; gap: 0.8rem; align-items: center; width: fit-content; margin-top: 2.2rem; padding: 0.7rem 0.9rem; color: white; background: var(--forest); border-radius: 12px; }
.reader-note span { padding-left: 0.8rem; border-left: 1px solid rgba(255,255,255,0.45); }
.cover-stage { position: relative; width: min(440px, 100%); margin: 0 auto; }
.cover-stage img { position: relative; z-index: 1; width: 100%; border: 10px solid #fffdf0; border-radius: 5px 16px 16px 5px; box-shadow: var(--shadow); transform: rotate(1.4deg); }
.cover-stage::before { content: ""; position: absolute; inset: 20px -18px -18px 24px; z-index: 0; background: var(--orange); border-radius: 8px 18px 18px 8px; transform: rotate(-2deg); }
.cover-stage figcaption { position: relative; z-index: 2; width: fit-content; margin: -1rem auto 0; padding: 0.55rem 0.9rem; color: var(--forest-dark); background: var(--cream); border: 2px solid var(--forest); border-radius: 12px; font-family: "Nunito", sans-serif; font-size: 0.9rem; font-weight: 800; text-align: center; }
.section { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; padding: 7rem 0; }
.story { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: clamp(3rem, 8vw, 8rem); align-items: start; }
.story .section-title { position: sticky; top: 2rem; }
.story-text p { margin-top: 0; }
.lead { font-size: 1.3rem; line-height: 1.52; }
.lesson-band { display: grid; grid-template-columns: repeat(3, 1fr); width: min(1180px, calc(100% - 2rem)); margin: 0 auto 7rem; overflow: hidden; color: white; background: var(--forest); border-radius: 28px; box-shadow: var(--shadow); }
.lesson-band > div { min-height: 255px; padding: 2rem; border-right: 1px solid rgba(255,255,255,0.2); }
.lesson-band > div:nth-child(2) { background: #527e5b; }
.lesson-band > div:nth-child(3) { background: var(--orange-deep); border-right: 0; }
.lesson-band h3 { margin: 1.2rem 0 0.65rem; }
.lesson-band p { margin: 0; color: rgba(255,255,255,0.9); }
.lesson-number { display: grid; width: 46px; height: 46px; place-items: center; border: 1px solid rgba(255,255,255,0.6); border-radius: 50%; font-family: "Nunito", sans-serif; font-weight: 900; }
.homonyms { display: grid; grid-template-columns: 1fr 0.8fr; gap: clamp(3rem, 8vw, 8rem); padding: 7rem max(1rem, calc((100% - 1120px) / 2)); color: white; background: var(--forest-dark); }
.homonyms h2 { color: white; }
.homonyms h2 span { color: #ffc454; }
.homonym-copy > p:last-child { max-width: 690px; color: rgba(255,255,255,0.86); font-size: 1.18rem; }
.word-cards { display: grid; align-content: center; gap: 1rem; }
.word-card { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 0.7rem; padding: 0.9rem 1.2rem; color: var(--forest-dark); background: var(--cream); border: 2px solid #e5b84d; border-radius: 16px; box-shadow: 0 14px 25px rgba(21,50,34,0.22); font-family: "Nunito", sans-serif; font-size: 1.35rem; font-weight: 900; text-align: center; }
.word-card b { color: var(--orange-deep); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; }
.tilt-left { transform: rotate(-1.1deg); }
.tilt-right { transform: rotate(1.2deg); }
.activities { display: grid; grid-template-columns: 1.08fr 0.92fr; gap: clamp(3rem, 8vw, 7rem); align-items: center; }
.activity-card { padding: clamp(2rem, 5vw, 4rem); background: var(--cream); border: 2px solid #e6c878; border-radius: 32px 32px 92px 32px; box-shadow: var(--shadow); }
.activity-card h2 { max-width: 700px; }
.activity-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 2rem; }
.activity-tags span { padding: 0.55rem 0.8rem; color: var(--forest-dark); background: white; border: 1px solid #dfc77f; border-radius: 999px; font-weight: 700; }
.activity-stats { display: grid; border-top: 2px solid var(--forest); }
.activity-stats div { display: grid; grid-template-columns: 100px 1fr; gap: 1rem; align-items: center; padding: 1.2rem 0; border-bottom: 1px solid var(--line); }
.activity-stats strong { color: var(--orange-deep); font-family: "Nunito", sans-serif; font-size: 3rem; line-height: 1; }
.activity-stats span { font-weight: 700; }
.readers { padding: 7rem 0; background: linear-gradient(150deg, var(--sky-light), #fff2c9); }
.readers-inner { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
.readers-inner > div:first-child { display: grid; grid-template-columns: 0.4fr 1fr; gap: 2rem; align-items: start; }
.reader-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2.5rem; }
.reader-grid article { padding: 1.7rem; background: rgba(255,255,255,0.83); border: 1px solid rgba(63,105,76,0.22); border-radius: 20px; }
.reader-grid article > span { display: grid; width: 52px; height: 52px; place-items: center; color: white; background: var(--forest); border-radius: 14px; font-family: "Nunito", sans-serif; font-weight: 900; }
.reader-grid h3 { margin: 1.2rem 0 0.6rem; }
.reader-grid p { margin: 0; color: var(--muted); }
.details { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.detail-heading > p:last-child { color: var(--orange-deep); font-family: "Nunito", sans-serif; font-size: 1.25rem; font-weight: 800; }
dl { margin: 0; border-top: 2px solid var(--forest); }
dl div { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 1rem; padding: 0.9rem 0; border-bottom: 1px solid var(--line); }
dt { font-weight: 700; }
dd { margin: 0; }
footer { display: grid; grid-template-columns: 1fr auto auto; gap: 2rem; align-items: center; padding: 2.5rem max(1rem, calc((100% - 1120px) / 2)); color: white; background: var(--forest-dark); font-size: 0.95rem; }
footer p { margin: 0; }
.footer-title { font-family: "Nunito", sans-serif; font-weight: 900; }
.footer-title span { color: #ffc454; }
.copyright { color: rgba(255,255,255,0.68); }
@media (max-width: 880px) {
  .hero-inner { grid-template-columns: 1fr 0.75fr; gap: 2rem; }
  .cover-stage { width: min(360px, 100%); }
  .story, .homonyms, .activities, .details { grid-template-columns: 1fr; }
  .story { gap: 1rem; }
  .story .section-title { position: static; }
  .lesson-band { grid-template-columns: 1fr; }
  .lesson-band > div { min-height: 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.2); }
  .readers-inner > div:first-child { grid-template-columns: 1fr; gap: 0; }
  .reader-grid { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr; gap: 0.4rem; }
}
@media (max-width: 680px) {
  body { font-size: 1rem; }
  .site-header { align-items: flex-start; width: calc(100% - 1rem); padding: 0.7rem; }
  .brand { display: grid; gap: 0; line-height: 1; }
  nav { display: grid; grid-template-columns: 1fr; text-align: right; }
  nav a { padding: 0.16rem 0.45rem; font-size: 0.84rem; }
  .hero { min-height: 0; }
  .hero-inner { grid-template-columns: 1fr; padding: 8.5rem 0 5rem; }
  h1 { font-size: clamp(3.1rem, 14vw, 4.8rem); }
  .cover-stage { width: min(390px, 88%); margin-top: 1rem; }
  .reader-note { align-items: flex-start; }
  .section { padding-block: 5rem; }
  .lesson-band { margin-bottom: 5rem; border-radius: 22px; }
  .homonyms { padding-block: 5rem; }
  .activity-card { border-radius: 26px 26px 64px 26px; }
  .activity-stats div { grid-template-columns: 80px 1fr; }
  .readers { padding-block: 5rem; }
  dl div { grid-template-columns: 1fr; gap: 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button { transition: none; } }