@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@400;600;700&family=Nunito:wght@400;600;700;800&display=swap');

:root {
  --blue-dark: #1a5f7a;
  --blue-mid: #2d8bba;
  --blue-light: #d6eef8;
  --blue-pale: #eef7fc;
  --green-dark: #2a7a55;
  --green-mid: #3aad78;
  --green-light: #d4f0e4;
  --paper: #ffffff;
  --ink: #1a2e3b;
  --muted: #5a7585;
  --border: rgba(26, 95, 122, 0.13);
  --shadow: 0 4px 18px rgba(26, 95, 122, 0.09);
  --radius: 18px;
  --radius-lg: 26px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Nunito', sans-serif;
  color: var(--ink);
  line-height: 1.65;
  background: #f4fafd;
}

h1, h2, h3 {
  font-family: 'Caveat', cursive;
  line-height: 1.2;
  margin-top: 0;
  color: var(--blue-dark);
}
h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); }
h2 { font-size: clamp(2rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.4rem, 3vw, 1.8rem); }
p, li, a, figcaption { font-size: clamp(1rem, 2.4vw, 1.15rem); }

.container { width: min(1060px, 92%); margin: 0 auto; }

.skip-link { position: absolute; left: -999px; top: 12px; background: var(--paper); color: var(--blue-dark); border: 1px solid var(--border); border-radius: 999px; padding: 0.5rem 0.8rem; z-index: 100; }
.skip-link:focus { left: 12px; }

.site-header {
  background: linear-gradient(135deg, #c8eaf8 0%, #ddf4ec 100%);
  padding: 2.5rem 0 1.5rem;
  text-align: center;
  border-bottom: 2px dashed rgba(45, 139, 186, 0.25);
}
.site-header h1 { color: var(--blue-dark); margin-bottom: 0.3rem; }
.subtitle { font-weight: 700; color: var(--green-dark); margin: 0; font-size: 1.1rem; }

.top-nav { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); border-bottom: 1.5px solid var(--blue-light); }
.nav-wrap { display: flex; align-items: center; gap: 0.6rem; padding: 0.6rem 0; flex-wrap: wrap; }
.menu-toggle { display: none; border: 1.5px solid var(--border); background: var(--blue-pale); color: var(--blue-dark); border-radius: 999px; padding: 0.5rem 1rem; font-weight: 800; font-family: 'Nunito', sans-serif; cursor: pointer; }
.nav-links { list-style: none; display: flex; gap: 0.3rem; margin: 0; padding: 0; flex-wrap: wrap; }
.nav-links a { display: inline-block; text-decoration: none; color: var(--blue-dark); background: transparent; padding: 0.38rem 0.7rem; border-radius: 999px; font-weight: 700; font-size: 0.93rem; border: 1.5px solid transparent; transition: all 0.2s ease; }
.nav-links a:hover, .nav-links a:focus-visible { background: var(--blue-pale); border-color: var(--blue-light); }
.nav-links a.active { background: var(--green-light); border-color: rgba(42,122,85,0.3); color: var(--green-dark); }

.section { padding: 3.5rem 0; }
.section:nth-child(even) { background: rgba(255,255,255,0.6); }

.hero-grid { display: grid; grid-template-columns: 1.4fr 0.6fr; gap: 1.5rem; align-items: start; }
.hero p { max-width: 680px; }

.highlight-note { display: inline-block; margin-top: 0.6rem; padding: 0.6rem 1.1rem; border-radius: var(--radius); background: var(--green-light); border: 1.5px solid rgba(42,122,85,0.25); font-weight: 800; color: var(--green-dark); }

.vision-card { margin-top: 1.2rem; background: var(--paper); border: 1.5px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 1.3rem 1.5rem; }
.vision-card h3 { color: var(--green-dark); }
.vision-list { margin: 0.4rem 0 0; padding-left: 1.3rem; }
.vision-list li { margin-bottom: 0.3rem; }
.vision-future { color: var(--muted); font-style: italic; margin-top: 0.7rem; }

.page-links { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.2rem; }
.page-links a { text-decoration: none; color: var(--blue-dark); background: var(--paper); border: 1.5px solid var(--blue-light); border-radius: 999px; padding: 0.4rem 0.85rem; font-weight: 700; font-size: 0.93rem; transition: all 0.2s ease; }
.page-links a:hover { background: var(--blue-pale); border-color: var(--blue-mid); }

.founder-column { background: var(--paper); border: 1.5px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 1.2rem; text-align: center; }
.founder-column h3 { color: var(--blue-dark); }
.founder-column p { color: var(--muted); font-size: 0.97rem; }
.founder-thumb { width: 100%; aspect-ratio: 4/3; border-radius: var(--radius); border: 1.5px solid var(--border); object-fit: cover; margin: 0.3rem 0 0.7rem; display: block; }

.cards { display: grid; gap: 1.1rem; }
.three-up { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.info-card { background: var(--paper); border-radius: var(--radius-lg); padding: 1.3rem 1.4rem; box-shadow: var(--shadow); border: 1.5px solid var(--border); transition: transform 0.2s ease; }
.info-card:hover { transform: translateY(-3px); }
.info-card h3 { color: var(--blue-dark); }

.diagram-placeholder { margin: 1.5rem 0 0; text-align: center; }
.diagram-placeholder img { width: 100%; border-radius: var(--radius-lg); border: 1.5px solid var(--border); }

.myths-grid { display: grid; grid-template-columns: 1fr 1fr; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); border: 1.5px solid var(--border); margin-top: 0.5rem; }
.grid-head { background: var(--blue-dark); color: var(--paper); padding: 1rem 1.2rem; font-weight: 800; font-size: 1.1rem; font-family: 'Caveat', cursive; }
.myth, .fact { padding: 1rem 1.2rem; border-top: 1px solid rgba(26,95,122,0.09); font-size: 1rem; }
.myth { background: #f3f9fd; font-weight: 600; }
.fact { background: #f2fbf6; font-weight: 600; color: var(--green-dark); }

.kind-list { padding-left: 1.4rem; font-weight: 700; }
.kind-list li { margin-bottom: 0.4rem; }
.kindness-banner { margin-top: 1.3rem; background: linear-gradient(120deg, var(--green-light) 0%, var(--blue-light) 100%); border-radius: var(--radius-lg); border: 2px dashed rgba(45,139,186,0.3); padding: 1.2rem 1.5rem; font-weight: 800; text-align: center; color: var(--blue-dark); font-size: 1.2rem; font-family: 'Caveat', cursive; }

.video-grid, .resource-grid { display: grid; gap: 1.1rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.video-card, .resource-card { background: var(--paper); border-radius: var(--radius-lg); padding: 1.2rem 1.3rem; box-shadow: var(--shadow); border: 1.5px solid var(--border); }
.video-card h3, .resource-card h3 { color: var(--blue-dark); }
.video-card iframe { width: 100%; min-height: 185px; border-radius: var(--radius); border: 1.5px dashed rgba(45,139,186,0.3); background: var(--blue-pale); }

.quiz-grid { display: grid; gap: 1.1rem; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 1rem; }
.quiz-card { background: var(--paper); border-radius: var(--radius-lg); padding: 1.3rem 1.4rem; border: 1.5px solid var(--blue-light); box-shadow: var(--shadow); }
.quiz-card h3 { color: var(--blue-dark); }
.quiz-card fieldset { border: 1.5px solid var(--blue-light); border-radius: var(--radius); padding: 0.85rem 1rem; margin: 0 0 0.85rem; background: var(--blue-pale); }
.quiz-card legend { font-weight: 800; padding: 0 0.4rem; color: var(--blue-dark); }
.quiz-card label { display: block; margin: 0.3rem 0; font-weight: 600; }
.quiz-card input[type="radio"] { margin-right: 0.45rem; }
.quiz-result { min-height: 1.5rem; font-weight: 800; color: var(--green-dark); }

.quiz-summary { margin-top: 1.2rem; background: var(--paper); border-radius: var(--radius-lg); padding: 1.3rem 1.5rem; border: 1.5px solid var(--blue-light); box-shadow: var(--shadow); }
.quiz-summary h3 { color: var(--blue-dark); }
.chart-wrap { display: grid; gap: 0.9rem; }
.chart-row { display: grid; grid-template-columns: 90px 1fr; gap: 0.7rem; align-items: center; }
.chart-label { font-weight: 800; color: var(--muted); }
.chart-track { background: var(--blue-pale); border-radius: 999px; overflow: hidden; height: 34px; border: 1.5px solid var(--blue-light); }
.chart-bar { height: 100%; width: 0%; color: #0f3346; font-weight: 800; display: flex; align-items: center; justify-content: flex-end; padding-right: 0.6rem; border-radius: 999px; transition: width 0.35s ease; }
.pre-bar { background: linear-gradient(90deg, #7ecfef 0%, #4db8e0 100%); }
.post-bar { background: linear-gradient(90deg, #7adcad 0%, #48c98a 100%); }

.btn { display: inline-block; margin-top: 0.4rem; text-decoration: none; font-weight: 800; font-family: 'Nunito', sans-serif; color: var(--blue-dark); background: var(--blue-pale); padding: 0.55rem 1.1rem; border-radius: 999px; border: 1.5px solid var(--blue-light); cursor: pointer; font-size: 1rem; transition: all 0.2s ease; }
.btn:hover { background: var(--blue-light); border-color: var(--blue-mid); transform: translateY(-1px); }

.resource-card ol { padding-left: 1.3rem; margin: 0.5rem 0 0; }
.resource-card ol li { margin-bottom: 0.3rem; color: var(--muted); }

.site-footer { background: var(--blue-dark); color: rgba(255,255,255,0.88); text-align: center; padding: 1.8rem 0; border-top: 3px solid var(--green-mid); }
.site-footer a { color: rgba(255,255,255,0.9); text-decoration: none; border-bottom: 1px solid rgba(255,255,255,0.3); }
.site-footer a:hover { border-bottom-color: rgba(255,255,255,0.8); }
.footer-links { display: flex; justify-content: center; gap: 1.1rem; flex-wrap: wrap; margin: 0 0 0.7rem; }

@keyframes fadeSlideUp { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }
.hero-main { animation: fadeSlideUp 0.7s ease both; }
.founder-column { animation: fadeSlideUp 0.7s ease 0.15s both; }

.game-steps { padding-left: 1.2rem; }
.game-panel { background: var(--paper); border: 1.5px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 1.2rem; margin-top: 1rem; }
.game-score { display: flex; gap: 1.2rem; flex-wrap: wrap; color: var(--muted); }
.game-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.8rem; margin-top: 0.9rem; }
.game-card { text-align: left; border-radius: var(--radius); border: 1.5px solid var(--border); background: var(--paper); padding: 0.85rem; font: inherit; font-weight: 800; color: var(--blue-dark); cursor: pointer; transition: all 0.2s ease; }
.game-card:hover { background: var(--blue-pale); border-color: var(--blue-mid); transform: translateY(-1px); }
.game-card:disabled { cursor: default; opacity: 0.6; transform: none; }
.game-card.correct { background: var(--green-light); border-color: rgba(42,122,85,0.3); }
.game-card.wrong { background: #fff0ee; border-color: rgba(200,80,60,0.3); }
.game-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 0.9rem; }
.game-status { margin-top: 0.7rem; font-weight: 800; color: var(--blue-dark); min-height: 1.6rem; }
.game-hint { margin-top: 0.5rem; padding: 0.7rem 0.9rem; border-radius: var(--radius); background: var(--blue-pale); border: 1.5px solid var(--blue-light); color: var(--muted); font-weight: 700; }
.mix-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 1rem; margin-top: 0.9rem; align-items: start; }
.bottle-zone { display: grid; gap: 0.6rem; }
.bottle-top { width: 44%; height: 18px; margin: 0 auto; border-radius: 999px; background: rgba(26,95,122,0.18); }
.bottle-body { border-radius: var(--radius-lg); border: 2px dashed rgba(45,139,186,0.35); background: var(--blue-pale); padding: 0.9rem; outline: none; }
.drop-slots { display: grid; gap: 0.55rem; }
.drop-slot { border-radius: var(--radius); border: 1.5px solid var(--border); background: var(--paper); padding: 0.65rem 0.75rem; font-weight: 800; color: var(--muted); }
.drop-slot.filled { background: var(--green-light); border-color: rgba(42,122,85,0.3); color: var(--green-dark); }
.mix-head { margin: 0 0 0.2rem; }
.mix-sub { margin: 0 0 0.7rem; color: var(--muted); }
.bottle-note { margin: 0.65rem 0 0; color: var(--muted); font-weight: 700; }
.bottle-title { margin: 0 0 0.5rem; font-weight: 900; color: var(--blue-dark); }
.ing-title { font-weight: 900; margin-bottom: 0.15rem; }
.ing-detail { font-weight: 700; color: var(--muted); }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .three-up, .video-grid, .resource-grid, .quiz-grid, .game-grid { grid-template-columns: 1fr; }
  .mix-grid { grid-template-columns: 1fr; }
  .menu-toggle { display: inline-block; }
  .nav-links { display: none; width: 100%; margin-top: 0.4rem; }
  .nav-links.open { display: flex; flex-direction: column; }
  .nav-wrap { flex-direction: column; align-items: stretch; }
}
@media (max-width: 620px) {
  .myths-grid { grid-template-columns: 1fr; }
  .grid-head { text-align: center; }
}