/* BLUE Money website: navy brand bands over a cool light page (matches the game and the teachers' one-pager).
   Single committed light look with navy bands; colours set explicitly. */
:root {
  --navy: #0b1a3d;
  --navy-2: #13254f;
  --navy-line: #2a4a8a;
  --blue: #1f5fd6;
  --sky: #4cc2ff;
  --page: #f4f6fb;
  --card: #ffffff;
  --ink: #0b1021;
  --ink-2: #2b3550;
  --muted: #5b6680;
  --line: #d7deec;
  --tint: #e6eefc;
  --mint: #2be3a3;
  --on-navy: #d5e0f5;
  --on-navy-2: #9fb8e4;
  --font-display: "Outfit", "Segoe UI", Arial, sans-serif;
  --font-body: "Figtree", "Segoe UI", Arial, sans-serif;
  --radius: 14px;
  --max: 1120px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; border-radius: 6px; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}

h1, h2, h3 { font-family: var(--font-display); line-height: 1.12; margin: 0; text-wrap: balance; color: inherit; }
h1 { font-size: clamp(36px, 6vw, 60px); font-weight: 800; letter-spacing: -0.015em; }
h2 { font-size: clamp(26px, 3.6vw, 36px); font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 20px; font-weight: 700; }
p { margin: 0; text-wrap: pretty; }
.lead { font-size: clamp(18px, 2vw, 21px); line-height: 1.55; max-width: 62ch; }
.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--blue); }
.on-navy .eyebrow { color: var(--sky); }
.small { font-size: 14px; color: var(--muted); }

/* Header */
.site-header { background: var(--navy); color: #fff; position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; border-bottom: 1px solid var(--navy-2); }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 30; background: var(--navy); }
.site-header .wrap { display: flex; align-items: center; gap: 18px; min-height: 68px; flex-wrap: wrap; padding-block: 8px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-family: var(--font-display); font-weight: 800; letter-spacing: 0.12em; font-size: 15px; }
.brand img { width: 34px; height: 34px; }
.brand span { color: var(--sky); }
.nav { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; align-items: center; }
.nav a { color: var(--on-navy); text-decoration: none; font-weight: 600; font-size: 15px; padding: 8px 12px; border-radius: 999px; }
.nav a:hover, .nav a[aria-current="page"] { color: #fff; background: var(--navy-2); }
.nav a.btn { margin-left: 6px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-family: var(--font-display); font-weight: 700; font-size: 16px; text-decoration: none; border-radius: 999px; padding: 12px 22px; border: 2px solid transparent; cursor: pointer; }
.btn-primary { background: var(--sky); color: var(--navy); }
.btn-primary:hover { background: #7dd4ff; color: var(--navy); }
.btn-ghost { border-color: var(--navy-line); color: #fff; }
.btn-ghost:hover { background: var(--navy-2); color: #fff; }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--navy-2); color: #fff; }
.nav a.btn-primary { color: var(--navy); background: var(--sky); padding: 8px 16px; }
.nav a.btn-primary:hover { background: #7dd4ff; }

/* Bands */
.band { padding-block: clamp(48px, 8vw, 88px); }
.band-navy { background: var(--navy); color: #fff; }
.band-tint { background: var(--tint); }
.band-white { background: var(--card); }
.stack { display: flex; flex-direction: column; gap: 18px; }
.stack-lg { display: flex; flex-direction: column; gap: 32px; }

/* Hero */
.hero { background: var(--navy); color: #fff; padding-block: clamp(44px, 7vw, 84px); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr); gap: 32px; align-items: center; }
.hero h1 .accent { color: var(--sky); }
.hero .lead { color: var(--on-navy); }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-art { justify-self: center; position: relative; }
.hero-art::before { content: ""; position: absolute; inset: 10%; border-radius: 50%; background: radial-gradient(circle, rgba(76,194,255,0.35), rgba(76,194,255,0) 70%); }
.hero-art img { position: relative; width: min(340px, 70vw); }
.hero-art figcaption { position: relative; text-align: center; font-size: 14px; color: var(--on-navy-2); }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-top: 8px; }
.fact { background: var(--navy-2); border-radius: 12px; padding: 12px 14px; }
.fact b { display: block; font-family: var(--font-display); color: var(--sky); font-size: 18px; }
.fact span { font-size: 14px; color: var(--on-navy); }

/* Cards and grids */
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.card .tag { align-self: flex-start; font-size: 12px; font-weight: 700; letter-spacing: 0.1em; color: var(--blue); background: var(--tint); border-radius: 999px; padding: 4px 10px; }
.card p { color: var(--ink-2); }
.card a.more { font-weight: 700; text-decoration: none; margin-top: auto; }

/* Modules */
.modules { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 10px; }
.module { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 12px; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.module .n { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; color: var(--muted); }
.module b { font-family: var(--font-display); font-size: 17px; line-height: 1.2; }
.module span { font-size: 14px; color: var(--ink-2); }
.module .when { margin-top: auto; padding-top: 8px; font-size: 12px; font-weight: 700; color: var(--muted); }
.module.live { background: var(--navy); border-color: var(--navy); color: #fff; }
.module.live .n, .module.live .when { color: var(--sky); }
.module.live span { color: var(--on-navy); }

/* Ways to use */
.ways { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.way { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; display: flex; flex-direction: column; gap: 8px; }
.way .time { font-family: var(--font-display); font-weight: 800; font-size: 30px; color: var(--blue); }
.way p { color: var(--ink-2); }
.status { align-self: flex-start; font-size: 12px; font-weight: 700; border-radius: 999px; padding: 3px 10px; background: var(--tint); color: var(--blue); }

/* Screens */
.screens { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.screens figure { margin: 0; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.screens img { width: 190px; border-radius: 22px; border: 5px solid var(--navy); box-shadow: 0 18px 40px rgba(11, 26, 61, 0.25); }
.screens figcaption { font-size: 14px; font-weight: 600; color: var(--ink-2); }

/* Requirement list */
.reqs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }

/* Split section */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: center; }

/* CTA band */
.cta { background: var(--navy); color: #fff; border-radius: 20px; padding: clamp(24px, 4vw, 40px); display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.cta p { color: var(--on-navy); }
.cta .email { font-family: var(--font-display); font-weight: 700; font-size: 20px; color: var(--sky); text-decoration: none; }

/* Prose pages */
.prose { max-width: 72ch; display: flex; flex-direction: column; gap: 16px; }
.prose h2 { margin-top: 18px; }
.prose h3 { margin-top: 8px; }
.prose ul { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 6px; }
.prose table { border-collapse: collapse; width: 100%; font-size: 15px; }
.table-wrap { overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.prose th { background: var(--tint); }
.note { background: #fff7e0; border: 1px solid #f0d58a; border-radius: 12px; padding: 14px 16px; font-size: 15px; color: #5a4300; }
.draft-banner { background: #ffe8e8; border-bottom: 2px solid #e2556a; color: #6b0f1e; font-weight: 700; text-align: center; padding: 10px 16px; font-size: 15px; }

/* FAQ */
details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; }
details + details { margin-top: 10px; }
summary { cursor: pointer; font-weight: 700; font-family: var(--font-display); font-size: 18px; }
details p { margin-top: 10px; color: var(--ink-2); }

/* Footer */
.site-footer { background: var(--navy); color: var(--on-navy); padding-block: 40px; font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 24px; }
.site-footer h3 { font-size: 15px; color: #fff; letter-spacing: 0.06em; text-transform: uppercase; }
.site-footer a { color: var(--on-navy); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer ul { list-style: none; padding: 0; margin: 10px 0 0; display: flex; flex-direction: column; gap: 6px; }
.footer-bottom { border-top: 1px solid var(--navy-2); margin-top: 28px; padding-top: 18px; font-size: 13px; color: var(--on-navy-2); }

/* Responsive */
@media (max-width: 980px) {
  .modules { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .hero-grid, .split { grid-template-columns: minmax(0, 1fr); }
  .hero-art { order: -1; }
  .hero-art img { width: min(220px, 55vw); }
  .grid-3, .ways, .reqs { grid-template-columns: minmax(0, 1fr); }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav { margin-left: 0; width: 100%; }
}
@media (max-width: 560px) {
  .modules { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-2 { grid-template-columns: minmax(0, 1fr); }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .screens img { width: 150px; }
  body { font-size: 16px; }
}

.skip { position: absolute; left: 12px; top: -60px; z-index: 40; background: var(--sky); color: var(--navy); font-weight: 700; padding: 10px 14px; border-radius: 10px; text-decoration: none; }
.skip:focus { top: 12px; }

/* BLUE floats gently in the hero, with a soft breathing glow */
@keyframes blue-float {
  0%, 100% { transform: translateY(6px) rotate(-2deg); }
  50% { transform: translateY(-22px) rotate(2deg); }
}
@keyframes blue-glow {
  0%, 100% { opacity: 0.75; transform: scale(0.96); }
  50% { opacity: 1; transform: scale(1.04); }
}
@keyframes blue-shadow {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.6; }
  50% { transform: translateX(-50%) scale(0.7); opacity: 0.25; }
}
.hero-art img { animation: blue-float 3.6s ease-in-out infinite; will-change: transform; }
.hero-art::before { animation: blue-glow 3.6s ease-in-out infinite; }
.hero-art::after { content: ""; position: absolute; left: 50%; bottom: 46px; width: 46%; height: 18px; border-radius: 50%; background: radial-gradient(ellipse, rgba(76,194,255,0.45), rgba(76,194,255,0) 70%); animation: blue-shadow 3.6s ease-in-out infinite; pointer-events: none; }
@media (max-width: 820px) { .hero-art::after { bottom: 40px; } }
@media (prefers-reduced-motion: reduce) {
  .hero-art img, .hero-art::before, .hero-art::after { animation: none; }
}