/* Light School — the join page. Paper and gold, light everywhere. */
@font-face { font-family: "Cormorant"; src: url("fonts/cormorant.woff2") format("woff2"); font-weight: 300 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Cormorant"; src: url("fonts/cormorant-italic.woff2") format("woff2"); font-weight: 500; font-style: italic; font-display: swap; }
:root {
  --paper: #FBF7EE; --paper-2: #F4EDDC; --white: #FFFFFF;
  --ink: #1F1A2B; --ink-soft: #4E4560; --ink-mute: #7A6D85;
  --gold: #C8A24A; --gold-deep: #9A7B2C; --gold-light: #E8CF90; --sun: #FFCE3D; --dusk: #5B5F9E;
  --display: "Cormorant", "Iowan Old Style", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1); --ease: cubic-bezier(.22, .61, .36, 1);
  --radius: 24px; --shadow: 0 1px 2px rgba(31,26,43,.06), 0 14px 40px rgba(120,90,30,.12);
  --outline: linear-gradient(145deg, var(--gold-light), var(--gold) 32%, #fff 58%, var(--gold-light));
  --tick-bg: linear-gradient(135deg, var(--gold-light), var(--gold));
  --overlay: rgba(31, 26, 43, .45);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; color: var(--ink-soft); background: var(--paper); font: 17px/1.55 var(--sans); overflow-x: hidden; -webkit-font-smoothing: antialiased; padding-bottom: 84px; }
img { max-width: 100%; height: auto; display: block; }
button { font: inherit; }
p { margin: 0 0 1em; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.hp { position: absolute; left: -9999px; }
[hidden] { display: none !important; }

/* gradient outline on every surface */
.g { position: relative; }
.g::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1.5px; background: var(--outline); z-index: 2; pointer-events: none;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude; }

h1, h2, h3 { font-family: var(--display); color: var(--ink); margin: 0; font-weight: 600; }
h1 { font-size: clamp(2.5rem, 5.2vw, 4.4rem); line-height: 1.02; letter-spacing: -.015em; }
h2 { font-size: clamp(2rem, 4.2vw, 3.3rem); line-height: 1.04; letter-spacing: -.012em; }
h3 { font-size: 1.5rem; line-height: 1.15; }
h1 em, h2 em, .punch em { font-style: italic; font-weight: 500; color: var(--gold-deep); }
.kicker { font: 700 .72rem/1 var(--sans); letter-spacing: .24em; text-transform: uppercase; color: var(--gold-deep); margin: 0 0 16px; }
.lead { font-size: 1.15rem; max-width: 36em; margin-top: 16px; }
.micro { font-size: .9rem; color: var(--ink-mute); margin: 12px 0 0; }
.punch { font: 600 clamp(1.5rem, 3vw, 2.2rem)/1.2 var(--display); color: var(--ink); text-align: center; margin: 34px auto 0; max-width: 22em; }
.punch.left { text-align: left; margin-left: 0; }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 24px; border-radius: 999px; border: 0; cursor: pointer; text-decoration: none; font: 700 1rem/1 var(--sans); transition: transform .5s var(--spring); }
.btn:hover { transform: translateY(-2px) scale(1.02); } .btn:active { transform: scale(.97); }
.btn-gold { color: #2b2208; background: linear-gradient(135deg, var(--gold-light), var(--gold) 55%, var(--gold-deep)); box-shadow: 0 8px 24px rgba(200,162,74,.4), inset 0 1px 0 rgba(255,255,255,.55); }
.btn-big { padding: 20px 34px; font-size: 1.15rem; width: 100%; max-width: 380px; }
.btn-small { padding: 10px 16px; font-size: .9rem; white-space: nowrap; }

.topbar { position: fixed; inset: 0 0 auto 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; padding: 10px clamp(14px, 4vw, 40px); transition: background .3s, box-shadow .3s; }
.topbar.solid { background: rgba(251,247,238,.94); backdrop-filter: blur(10px); box-shadow: 0 1px 0 rgba(200,162,74,.3); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 600 1.3rem/1 var(--display); color: var(--ink); }
.brand img { border-radius: 9px; }

/* hero */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); min-height: 100svh; }
.hero-words { display: flex; flex-direction: column; justify-content: center; padding: 96px clamp(20px, 5vw, 72px) 56px;
  background: radial-gradient(800px 500px at -10% -10%, rgba(255,206,61,.28), transparent 60%), var(--paper); }
.pre { font: 500 italic clamp(1.05rem, 1.5vw, 1.3rem)/1.3 var(--display); color: var(--ink-soft); margin: 0 0 14px; }
.deck { font-size: clamp(1.08rem, 1.4vw, 1.25rem); color: var(--ink); max-width: 30em; margin: 18px 0 14px; }
.hero-art { position: relative; overflow: hidden; min-height: 420px; }
.hero-art > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 48% 55%; }
.phone { position: absolute; right: 8%; bottom: 6%; width: min(38%, 250px); border-radius: 28px; overflow: hidden; background: var(--ink); padding: 6px; box-shadow: 0 30px 60px rgba(31,26,43,.45); transform: rotate(3deg); }
.phone img { border-radius: 22px; width: 100%; }

.ticks { list-style: none; padding: 0; margin: 0 0 22px; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 36px; color: var(--ink); font-weight: 600; }
.ticks li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--tick-bg); color: #2b2208; font: 700 .82rem/1 var(--sans); }
.ticks.big { margin-top: 22px; gap: 14px; }
.ticks.big li { font-weight: 400; color: var(--ink-soft); } .ticks.big b { color: var(--ink); }

.strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--gold-light); border-block: 1px solid var(--gold-light); }
.strip div { background: var(--white); padding: 18px 12px; text-align: center; }
.strip b { display: block; font: 600 2.6rem/1 var(--display); color: var(--gold-deep); }
.strip span { font-size: .88rem; color: var(--ink-soft); }

.sec { padding: clamp(64px, 9vw, 120px) clamp(16px, 4vw, 40px); }
.sec.tint { background: var(--paper-2); }
.head, .three, .do-grid, .split, .steps, .faq { width: min(1120px, 100%); margin-inline: auto; }
.head { max-width: 760px; margin-left: max(0px, calc((100% - 1120px) / 2)); }
.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 34px; }
.card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.card > div { padding: 18px 22px 24px; }
.card .n { font: 700 .72rem/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--gold-deep); margin: 0 0 8px; }
.card h3 { margin-bottom: 8px; } .card p:last-child { margin: 0; font-size: .98rem; }
.cta-row { display: flex; justify-content: center; margin-top: 36px; }

.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.split.flip { grid-template-columns: .9fr 1.1fr; }
.pic, .guides { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: var(--white); }
.pic img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.guides img { width: 100%; }
.guides figcaption { padding: 12px 16px 14px; font: 600 1.1rem/1.2 var(--display); color: var(--ink); text-align: center; }

.do-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 30px; }
.do-grid figure { margin: 0; border-radius: 22px; overflow: hidden; background: var(--white); box-shadow: var(--shadow); }
.do-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.do-grid figcaption { padding: 10px 14px 14px; font: 600 1.08rem/1.22 var(--display); color: var(--ink); }

.steps { list-style: none; padding: 0; margin: 30px auto 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.steps li { background: var(--white); border-radius: var(--radius); padding: 20px; display: flex; align-items: center; gap: 16px; box-shadow: var(--shadow); color: var(--ink); font-weight: 600; }
.steps b { font: 600 2.6rem/1 var(--display); color: var(--gold-deep); }
.faq { margin-top: 26px; display: grid; gap: 10px; max-width: 760px; }
.faq details { background: var(--white); border-radius: 18px; padding: 16px 20px; }
.faq summary { cursor: pointer; font-weight: 700; color: var(--ink); }
.faq p { margin: 10px 0 0; }

.close { position: relative; padding: clamp(80px, 12vw, 160px) 16px; overflow: hidden; }
.close > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.close-card { position: relative; z-index: 1; background: rgba(255,255,255,.95); border-radius: var(--radius); padding: clamp(28px, 4vw, 52px); box-shadow: var(--shadow); max-width: 640px; margin: 0 auto; text-align: center; }
.close-card .lead { margin: 14px auto 22px; }

footer { text-align: center; padding: 28px 16px; font-size: .9rem; color: var(--ink-mute); }
.version { position: fixed; right: 8px; bottom: 6px; font-size: .68rem; color: var(--ink-mute); opacity: .5; z-index: 30; pointer-events: none; }

.sticky { position: fixed; inset: auto 0 0 0; z-index: 15; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); background: rgba(251,247,238,.94); backdrop-filter: blur(10px); box-shadow: 0 -1px 0 rgba(200,162,74,.3); display: flex; justify-content: center; transform: translateY(110%); transition: transform .5s var(--spring); }
.sticky.show { transform: none; }
.sticky .btn { width: 100%; max-width: 420px; padding: 16px; }

.sheet { position: fixed; inset: 0; z-index: 50; background: var(--overlay); display: grid; place-items: center; padding: 16px; }
.sheet-card { background: var(--paper); border-radius: var(--radius); padding: 28px 24px 24px; width: min(440px, 100%); box-shadow: 0 30px 80px rgba(31,26,43,.4); text-align: center; animation: pop .5s var(--spring); }
@keyframes pop { from { transform: scale(.9); opacity: 0; } }
.sheet-card h3 { font-size: 1.8rem; margin-bottom: 8px; }
.x { position: absolute; right: 10px; top: 6px; z-index: 3; background: none; border: 0; font-size: 1.8rem; color: var(--ink-mute); cursor: pointer; padding: 6px 10px; }
.stepbar { display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 14px; }
.stepbar span { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font: 700 .9rem/1 var(--sans); background: var(--paper-2); color: var(--ink-mute); }
.stepbar .on, .stepbar .done { background: var(--tick-bg); color: #2b2208; }
.stepbar i { width: 40px; height: 2px; background: var(--gold); }
#join-form { display: grid; gap: 10px; margin-top: 14px; justify-items: center; }
#join-form input:not(.hp) { width: 100%; padding: 16px 18px; border-radius: 16px; border: 1.5px solid var(--gold-light); background: var(--white); font: 1.05rem var(--sans); color: var(--ink); }
#join-form input:focus { outline: none; border-color: var(--gold-deep); box-shadow: 0 0 0 4px rgba(200,162,74,.18); }
.msg { min-height: 1.2em; margin: 0; font-size: .92rem; color: #A23B2A; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } html { scroll-behavior: auto; } }

@media (max-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .hero-art { order: -1; height: 38svh; min-height: 260px; }
  .hero-words { padding: 26px 20px 44px; text-align: center; align-items: center; }
  .ticks:not(.big) { text-align: left; }
  .phone { width: 30%; right: 6%; bottom: -8%; }
  .three, .steps { grid-template-columns: 1fr; }
  .split, .split.flip { grid-template-columns: 1fr; }
  .do-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .do-grid figcaption { font-size: .98rem; padding: 8px 10px 12px; }
  .strip { grid-template-columns: repeat(2, 1fr); }
  .guides { max-width: 420px; margin: 0 auto; }
}