:root {
  --forest: #274a26;
  --deep: #183719;
  --sage: #7f9468;
  --sage-light: #dfe5d5;
  --cream: #f7f3e8;
  --paper: #fcfaf4;
  --ink: #1e251c;
  --muted: #66705f;
  --line: rgba(39, 74, 38, .18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "DM Sans", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

a { color: inherit; }
img { max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 78px;
  padding: 0 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(252,250,244,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -.02em;
}
.brand img { width: 48px; height: 48px; object-fit: cover; border-radius: 50%; }
nav { display: flex; align-items: center; gap: 26px; }
nav a { text-decoration: none; font-size: 14px; font-weight: 600; }
nav a:hover { color: var(--sage); }
.nav-cta {
  color: white !important;
  background: var(--forest);
  padding: 11px 18px;
  border-radius: 999px;
}
.menu-toggle { display: none; border: 0; background: none; font-size: 25px; }

.hero {
  min-height: 720px;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.hero-art {
  position: absolute;
  inset: 0;
  background-image: url("assets/cover-banner.png");
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(247,243,232,.97) 0%, rgba(247,243,232,.88) 45%, rgba(247,243,232,.38) 75%, rgba(247,243,232,.12) 100%);
}
.hero-content {
  position: relative;
  width: min(1180px, 90vw);
  margin: auto;
  padding: 80px 0;
}
.eyebrow, .kicker {
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: 12px;
  font-weight: 700;
  color: var(--forest);
}
h1, h2 {
  font-family: "Libre Caslon Display", Georgia, serif;
  font-weight: 400;
  line-height: .98;
  letter-spacing: -.035em;
}
h1 { font-size: clamp(58px, 8vw, 116px); max-width: 850px; margin: 18px 0 24px; color: var(--deep); }
h2 { font-size: clamp(42px, 5vw, 72px); margin: 12px 0 24px; color: var(--deep); }
h3 { font-size: 20px; margin: 0 0 8px; }
.hero-copy { max-width: 670px; font-size: 20px; color: #465341; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 32px 0 45px; }
.button {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform .2s ease, opacity .2s ease;
}
.button:hover { transform: translateY(-2px); opacity: .92; }
.primary { background: var(--forest); color: white; }
.secondary { border: 1px solid var(--forest); color: var(--forest); background: rgba(255,255,255,.45); }
.light { background: var(--cream); color: var(--deep); }
.language-line { color: var(--sage); letter-spacing: .08em; font-size: 15px; }

.intro-strip {
  padding: 26px 5vw;
  background: var(--deep);
  color: var(--cream);
  text-align: center;
  font-family: "Libre Caslon Display", Georgia, serif;
  font-size: clamp(22px, 3vw, 36px);
}
.intro-strip p { margin: 0; }

.section { padding: 110px 7vw; }
.split-section {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 8vw;
  align-items: start;
}
.body-copy { max-width: 680px; font-size: 18px; color: #4c5947; }
.pale { background: var(--cream); }
.section-heading { max-width: 820px; margin-bottom: 48px; }
.section-heading > p:last-child { font-size: 18px; color: var(--muted); }

.cards { display: grid; gap: 18px; }
.cards.four { grid-template-columns: repeat(4, 1fr); }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.card {
  background: rgba(255,255,255,.65);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 28px;
  min-height: 210px;
}
.card-number { display: block; color: var(--sage); font-size: 13px; margin-bottom: 48px; }
.card p { color: var(--muted); }
.card a { color: var(--forest); font-weight: 700; text-decoration: none; }
.center { text-align: center; margin-top: 40px; }

.translation {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 7vw;
  align-items: center;
}
.translation-mark {
  font-family: "Libre Caslon Display", Georgia, serif;
  font-size: clamp(70px, 10vw, 150px);
  color: var(--sage);
  opacity: .75;
  line-height: 1.15;
}
.translation > div:last-child { max-width: 760px; }
.translation > div:last-child > p:not(.kicker):not(.quote) { font-size: 18px; color: var(--muted); }
.quote {
  font-family: "Libre Caslon Display", Georgia, serif;
  font-size: 30px;
  color: var(--forest);
  border-left: 2px solid var(--sage);
  padding-left: 20px;
}

.competition {
  background: var(--forest);
  color: white;
  display: grid;
  grid-template-columns: 1.4fr .6fr;
  gap: 9vw;
  align-items: center;
}
.competition h2, .competition .kicker { color: var(--cream); }
.competition-copy p { max-width: 720px; color: rgba(255,255,255,.82); font-size: 18px; }
.impact-box {
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 28px;
  padding: 40px;
  text-align: center;
  background: rgba(255,255,255,.06);
}
.impact-big {
  display: block;
  font-family: "Libre Caslon Display", Georgia, serif;
  font-size: 88px;
  line-height: 1;
}
.impact-line { height: 1px; background: rgba(255,255,255,.25); margin: 26px 0; }

.get-involved { background: #eef1e8; }
.closing {
  text-align: center;
  padding: 110px 7vw 130px;
}
.closing img { width: 130px; border-radius: 50%; }
.closing h2 { max-width: 900px; margin: 28px auto 36px; }

footer {
  padding: 55px 7vw 35px;
  background: #132b15;
  color: rgba(255,255,255,.78);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
}
footer strong { color: white; font-size: 20px; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { text-decoration: none; color: white; }
.copyright { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.13); padding-top: 20px; margin-top: 20px; font-size: 13px; }

@media (max-width: 900px) {
  .site-header { height: 70px; }
  .menu-toggle { display: block; }
  nav {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    padding: 22px 5vw 28px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    display: none;
  }
  nav.open { display: flex; }
  .brand span { font-size: 14px; }
  .hero { min-height: 650px; }
  .hero-overlay { background: rgba(247,243,232,.86); }
  .split-section, .translation, .competition { grid-template-columns: 1fr; }
  .cards.four, .cards.three { grid-template-columns: 1fr 1fr; }
  .translation-mark { font-size: 82px; }
}
@media (max-width: 620px) {
  .section { padding: 80px 6vw; }
  .cards.four, .cards.three { grid-template-columns: 1fr; }
  .hero-content { padding: 60px 0; }
  .hero-copy { font-size: 17px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .card { min-height: auto; }
  footer { grid-template-columns: 1fr; }
  .copyright { grid-column: 1; }
}


/* Issues */
.issues { background: var(--paper); }
.issue-feature {
  display: grid;
  grid-template-columns: minmax(260px, 420px) 1fr;
  gap: 7vw;
  align-items: center;
}
.issue-cover {
  aspect-ratio: 4 / 5.3;
  border-radius: 8px;
  padding: 30px;
  background:
    radial-gradient(circle at 75% 18%, rgba(127,148,104,.25), transparent 24%),
    linear-gradient(145deg, #f3eddd 0%, #e3ead9 100%);
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(24,55,25,.12);
  position: relative;
  overflow: hidden;
}
.issue-cover::after {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  right: -70px;
  bottom: -70px;
  border: 2px solid rgba(39,74,38,.28);
  border-radius: 50%;
}
.issue-label {
  font-size: 11px;
  letter-spacing: .2em;
  font-weight: 700;
  color: var(--forest);
}
.issue-title {
  font-family: "Libre Caslon Display", Georgia, serif;
  font-size: clamp(42px, 5vw, 72px);
  line-height: .92;
  color: var(--deep);
  position: absolute;
  left: 30px;
  top: 34%;
}
.issue-mark {
  position: absolute;
  right: 28px;
  bottom: 24px;
  font-family: "Libre Caslon Display", Georgia, serif;
  font-size: 56px;
  color: var(--sage);
  z-index: 2;
}
.issue-copy { max-width: 650px; }
.issue-copy h3 {
  font-family: "Libre Caslon Display", Georgia, serif;
  font-size: 42px;
  line-height: 1.05;
  font-weight: 400;
  color: var(--deep);
}
.issue-copy p { color: var(--muted); font-size: 18px; }
.text-link {
  display: inline-block;
  margin-top: 12px;
  color: var(--forest);
  font-weight: 700;
  text-decoration: none;
}
.disabled-link { opacity: .75; }

/* Winning entries */
.winner-strip {
  padding: 70px 7vw;
  background: var(--sage-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
}
.winner-strip > div { max-width: 780px; }
.winner-strip h2 {
  font-size: clamp(38px, 4vw, 58px);
  margin-bottom: 14px;
}
.winner-strip p:not(.kicker) { color: var(--muted); font-size: 17px; }

/* Involvement */
.involvement-grid .card { min-height: 235px; }

@media (max-width: 900px) {
  .issue-feature { grid-template-columns: 1fr; }
  .issue-cover { max-width: 380px; }
  .winner-strip { flex-direction: column; align-items: flex-start; }
}

/* School Chapters */
.chapters-page{background:var(--paper)}
.chapters-hero{display:grid;grid-template-columns:1.25fr .75fr;gap:7vw;align-items:center;padding-bottom:90px}
.chapters-lead{max-width:760px;font-size:20px;color:var(--muted)}
.form-note{font-size:13px;color:var(--muted)}
.chapter-globe{width:min(360px,75vw);aspect-ratio:1;justify-self:center;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;align-content:center;background:radial-gradient(circle at 30% 25%,rgba(255,255,255,.9),transparent 22%),radial-gradient(circle at center,#dfe8d6 0%,#b8c8a6 72%,#94aa7e 100%);box-shadow:inset 0 0 0 18px rgba(255,255,255,.25),0 25px 60px rgba(24,55,25,.12)}
.chapter-globe span{font-family:"Libre Caslon Display",Georgia,serif;font-size:100px;color:var(--deep);line-height:1}
.chapter-globe small{letter-spacing:.2em;color:var(--forest);font-weight:700}
.chapter-benefits{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:70px}
.chapter-benefits article{border:1px solid var(--line);background:var(--cream);padding:34px;border-radius:22px}
.chapter-icon{font-size:30px;display:block;margin-bottom:18px}.chapter-benefits h3{color:var(--deep);font-size:23px}.chapter-benefits p{color:var(--muted)}
.teacher-panel{background:var(--sage-light);border-radius:26px;padding:38px 42px;display:flex;justify-content:space-between;align-items:center;gap:40px;margin:30px 0 80px}
.teacher-panel>div{max-width:700px}.teacher-panel h3{font-family:"Libre Caslon Display",Georgia,serif;font-size:34px;font-weight:400;color:var(--deep);margin-bottom:8px}.teacher-panel p{color:var(--muted)}
.chapter-process{margin-bottom:90px}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.process-grid>div{border-top:1px solid var(--forest);padding-top:20px}.process-grid strong{color:var(--sage);font-size:13px}.process-grid h3{margin-top:25px}.process-grid p{color:var(--muted);font-size:15px}
.our-chapters{border-top:1px solid var(--line);padding-top:70px;display:grid;grid-template-columns:1fr .8fr;gap:7vw;align-items:center}.our-chapters h2{font-size:clamp(40px,4.5vw,64px)}.our-chapters p{color:var(--muted)}
.chapter-placeholder{border:1px dashed rgba(39,74,38,.35);border-radius:24px;padding:36px;background:var(--cream);display:flex;gap:18px;align-items:center}.chapter-placeholder span{font-size:42px}
@media(max-width:900px){.chapters-hero,.our-chapters{grid-template-columns:1fr}.chapter-benefits{grid-template-columns:1fr}.teacher-panel{flex-direction:column;align-items:flex-start}.process-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.process-grid{grid-template-columns:1fr}}


/* Clickable multilingual ribbon */
.language-line {
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:9px;
  color:var(--sage);
  letter-spacing:.04em;
  font-size:15px;
}
.language-line button {
  appearance:none;
  border:0;
  padding:2px 0;
  background:transparent;
  color:var(--sage);
  font:inherit;
  cursor:pointer;
  border-bottom:1px solid transparent;
}
.language-line button:hover,
.language-line button:focus-visible {
  color:var(--deep);
  border-bottom-color:currentColor;
}
.language-prompt {
  color:var(--forest);
  font-weight:700;
  margin-right:4px;
}
.header-language {
  border:1px solid var(--line);
  background:transparent;
  color:var(--forest);
  border-radius:999px;
  padding:7px 10px;
  font-weight:700;
  cursor:pointer;
}
.chapter-email {
  color:var(--forest);
  font-weight:700;
  text-decoration:none;
  border-bottom:1px solid rgba(39,74,38,.35);
}