/* Isla Elsewhere. Tokens match the Isla Elsewhere brand guide. */
@font-face { font-family: "Big Shoulders Display"; src: url("../fonts/bsd-800.woff2") format("woff2"); font-weight: 800; font-display: swap; }
@font-face { font-family: "Outfit"; src: url("../fonts/outfit-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Outfit"; src: url("../fonts/outfit-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Space Mono"; src: url("../fonts/spacemono-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  /* night (default) */
  --ground: #131826;
  --ground-2: #1C2336;
  --text: #F2EFE8;
  --text-muted: #A9AEBD;
  --line: #2C3550;
  --signal: #E0573A;
  --signal-text: #F07C5F;      /* accent as text on night: 5.4:1 */
  --on-signal: #161B29;        /* ink on signal: 5.5:1 */
  --card: #F2EFE8;             /* postcard paper border */
  --shadow: 0 18px 40px rgb(5 8 18 / .55);
  --postmark: url("../img/postmark-white.png");

  --display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --sans: "Outfit", "Helvetica Neue", Arial, sans-serif;
  --mono: "Space Mono", "Courier New", monospace;
  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 48px);
  --ease: cubic-bezier(.16, 1, .3, 1);
}
@media (prefers-color-scheme: light) {
  :root {
    --ground: #F2EFE8;
    --ground-2: #E7E3DA;
    --text: #161B29;
    --text-muted: #4E5466;
    --line: #D3CEC3;
    --signal-text: #B23A22;    /* 5.6:1 on paper */
    --card: #FFFDF8;
    --shadow: 0 18px 40px rgb(40 34 22 / .18);
    --postmark: url("../img/postmark-ink.png");
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ground); color: var(--text); font: 400 17px/1.6 var(--sans); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--signal); color: var(--on-signal); padding: 8px 12px; z-index: 30; }
.skip:focus { left: 8px; }

h1, h2, h3 { font-family: var(--display); font-weight: 800; text-transform: uppercase; letter-spacing: .01em; line-height: 1; margin: 0; }
.label { font: 700 13px/1.4 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--signal-text); margin: 0; }
p { margin: 0 0 1em; }
.muted { color: var(--text-muted); }

/* header */
.top { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--ground) 92%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 40px; height: 40px; border-radius: 50%; background: url("../img/isla-avatar.jpg") center / cover no-repeat; box-shadow: 0 0 0 2px var(--card); flex: none; }
.brand-name { white-space: nowrap; font: 800 26px/1 var(--display); letter-spacing: .03em; text-transform: uppercase; }
.nav { display: flex; gap: 28px; }
.nav a { text-decoration: none; font-weight: 600; font-size: 15px; }
.nav a:hover { color: var(--signal-text); }
@media (max-width: 640px) { .nav { gap: 16px; } .nav .hide-sm { display: none; } .brand-name { font-size: 22px; } }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; font: 600 16px/1 var(--sans); text-decoration: none; border: 2px solid var(--signal); background: var(--signal); color: var(--on-signal); white-space: nowrap; transition: transform .2s var(--ease), background-color .2s var(--ease); }
.btn:hover { background: color-mix(in srgb, var(--signal) 85%, var(--text)); }
.btn:active { transform: translateY(1px) scale(.98); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--text); }

/* hero */
.hero { padding: clamp(40px, 7vw, 88px) 0 clamp(56px, 8vw, 104px); }
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.hero h1 { font-size: clamp(50px, 7vw, 96px); line-height: .92; margin: 18px 0 24px; }
.hero h1 em { font-style: normal; color: var(--signal-text); }
.hero .lead { font-size: clamp(18px, 1.6vw, 21px); max-width: 34ch; color: var(--text-muted); margin-bottom: 32px; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-card { justify-self: center; width: min(100%, 420px); }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; } .hero-card { width: min(78%, 360px); } }

/* postcard frame */
.postcard { display: block; position: relative; background: var(--card); padding: 10px; box-shadow: var(--shadow); transform: rotate(var(--tilt, 0deg)); transition: transform .45s var(--ease); }
.postcard img { aspect-ratio: 5 / 7; object-fit: cover; width: 100%; }
.postcard.stamped::after { content: ""; position: absolute; width: 34%; aspect-ratio: 1; top: -9%; right: -9%; background: url("../img/postmark-white.png") center / contain no-repeat; filter: drop-shadow(0 2px 6px rgb(0 0 0 / .5)); }
@media (prefers-color-scheme: light) { .postcard.stamped::after { background-image: url("../img/postmark-ink.png"); filter: none; } }

/* story */
.story { background: var(--ground-2); padding: clamp(64px, 9vw, 120px) 0; }
.story .wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.story h2 { font-size: clamp(40px, 5.4vw, 72px); margin-bottom: 28px; }
.story p { font-size: 19px; max-width: 58ch; }
.story .sign { font: 700 14px/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--signal-text); margin-top: 28px; }
@media (max-width: 860px) { .story .wrap { grid-template-columns: 1fr; } .story .postcard { max-width: 340px; } }

/* gallery */
.gallery { padding: clamp(64px, 9vw, 120px) 0 40px; }
.gallery > .wrap > h2 { font-size: clamp(44px, 6vw, 80px); }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 8px; }
.tabs a { text-decoration: none; padding: 9px 16px; border: 1px solid var(--line); font-weight: 600; font-size: 15px; }
.tabs a:hover { border-color: var(--signal); }
.line-group { padding-top: 56px; scroll-margin-top: 80px; }
.line-group h3 { font-size: clamp(30px, 3.4vw, 44px); }
.line-group > p { color: var(--text-muted); max-width: 60ch; margin-top: 10px; }
.cards { list-style: none; padding: 0; margin: 36px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 48px 36px; }
.cards li:nth-child(4n+1) .postcard { --tilt: -2deg; }
.cards li:nth-child(4n+2) .postcard { --tilt: 1.5deg; }
.cards li:nth-child(4n+3) .postcard { --tilt: -1deg; }
.cards li:nth-child(4n) .postcard { --tilt: 2deg; }
.cards a.postcard:hover, .cards a.postcard:focus-visible { transform: rotate(0deg) translateY(-6px); }
.card-meta { margin-top: 18px; }
.card-meta .no { font: 700 12px/1 var(--mono); letter-spacing: .14em; color: var(--signal-text); }
.card-meta h4 { font: 600 17px/1.3 var(--sans); margin: 8px 0 6px; }
.card-meta a.buy { font-size: 15px; font-weight: 600; text-underline-offset: 4px; }
.card-meta .soon { font-size: 15px; color: var(--text-muted); }

/* next stop */
.next { padding: clamp(64px, 9vw, 120px) 0; text-align: center; }
.next .postmark-big { width: 132px; height: 132px; margin: 0 auto 28px; background: var(--postmark) center / contain no-repeat; }
.next h2 { font-size: clamp(40px, 6vw, 84px); max-width: 14ch; margin: 0 auto 22px; }
.next p { max-width: 48ch; margin: 0 auto 32px; color: var(--text-muted); font-size: 19px; }
.next .ctas { justify-content: center; }

/* metal */
.metal { border-top: 1px solid var(--line); padding: 56px 0; }
.metal .wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.metal h3 { font-size: 26px; margin-bottom: 10px; }
.metal p { color: var(--text-muted); margin: 0; }
@media (max-width: 760px) { .metal .wrap { grid-template-columns: 1fr; } }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 40px 0 56px; font-size: 15px; color: var(--text-muted); }
.foot .wrap { display: grid; grid-template-columns: 1fr auto; gap: 24px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 20px; }
.foot a { text-underline-offset: 4px; }
@media (max-width: 640px) { .foot .wrap { grid-template-columns: 1fr; } }

/* reveal on scroll */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
  .js .reveal.in { opacity: 1; transform: none; }
  .hero-card { animation: drop 1s var(--ease) both .15s; }
  @keyframes drop { from { opacity: 0; transform: translateY(-30px) rotate(-8deg); } to { opacity: 1; transform: none; } }
}
@media (prefers-reduced-motion: reduce) { .postcard { transition: none; } }