/* shiftuck.com — sleep & food plans for shift workers */
:root {
  --bg: #0d1626;
  --bg-2: #121e33;
  --card: #17243d;
  --card-2: #1d2d4a;
  --line: #2a3b5c;
  --ink: #f4ede1;
  --ink-2: #c3c9d6;
  --ink-3: #8f9ab0;
  --amber: #f4a259;
  --amber-2: #ffc488;
  --sleep: #8f80e8;
  --nap: #b7acf5;
  --work: #4f6b97;
  --caff: #c98b5a;
  --light: #ffd166;
  --dim: #5b5f86;
  --food: #6cc5a8;
  --danger: #ff8a7a;
  --radius: 18px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, .6);
  --display: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--amber-2); }
a:hover { color: var(--amber); }
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.1; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.6rem, 6.5vw, 4.8rem); }
h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }

.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.eyebrow { font: 600 .78rem/1.2 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--amber); margin-bottom: 14px; }
.muted { color: var(--ink-3); }
.amber { color: var(--amber); }
section { padding: 96px 0; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(13, 22, 38, .82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(42, 59, 92, .6);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font: 700 1.35rem/1 var(--display); letter-spacing: -.01em; }
.logo:hover { color: var(--ink); }
.logo b { color: var(--amber); font-weight: 700; }
.nav { display: flex; gap: 26px; align-items: center; }
.nav a { color: var(--ink-2); text-decoration: none; font-size: .95rem; }
.nav a:hover { color: var(--ink); }
.nav a.btn, .nav a.btn:hover { color: #1c1205; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px; border-radius: 999px; border: 0; cursor: pointer;
  background: var(--amber); color: #1c1205; font: 600 1rem/1 var(--sans);
  text-decoration: none; transition: transform .15s, background .15s;
}
.btn:hover { background: var(--amber-2); color: #1c1205; transform: translateY(-1px); }
.btn.small { padding: 9px 16px; font-size: .9rem; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.ghost:hover { background: var(--card); color: var(--ink); }
@media (max-width: 760px) { .nav a:not(.btn) { display: none; } }

/* ---------- hero ---------- */
.hero { padding: 80px 0 70px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% -10% auto auto; width: 720px; height: 720px;
  background: radial-gradient(circle, rgba(244, 162, 89, .22), transparent 62%);
  pointer-events: none;
}
.hero .wrap { display: grid; grid-template-columns: 1.25fr .9fr; gap: 56px; align-items: center; position: relative; }
.hero h1 span { display: block; }
.hero h1 .t2 { color: var(--sleep); }
.hero h1 .t3 { color: var(--amber); }
.hero .lede { font-size: 1.2rem; color: var(--ink-2); max-width: 34em; margin: 20px 0 30px; }
.hero .ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .who { margin-top: 30px; font-size: .9rem; color: var(--ink-3); }

.define {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow); position: relative;
}
.define .word { font: 600 2.1rem/1 var(--display); }
.define .pron { color: var(--ink-3); font-style: italic; margin: 6px 0 18px; }
.define ol { margin: 0; padding-left: 1.2em; color: var(--ink-2); }
.define li { margin-bottom: 10px; }
.define li em { color: var(--ink-3); }
.define .moon { position: absolute; top: -26px; right: -18px; width: 86px; }
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .define .moon { right: 8px; }
}

/* ---------- stats band ---------- */
.band { border-block: 1px solid var(--line); background: var(--bg-2); padding: 34px 0; }
.band .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.band .num { font: 600 2rem/1 var(--display); color: var(--amber); }
.band p { margin: 6px 0 0; color: var(--ink-3); font-size: .9rem; }
@media (max-width: 760px) { .band .wrap { grid-template-columns: 1fr 1fr; } }

/* ---------- planner ---------- */
#planner { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%); }
.planner-head { max-width: 640px; margin-bottom: 36px; }
.planner { display: grid; grid-template-columns: 360px 1fr; gap: 24px; align-items: start; }
@media (max-width: 980px) { .planner { grid-template-columns: 1fr; } }

.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.panel h3 { margin-bottom: 16px; }
.field { margin-bottom: 20px; }
.field > label, .field > .label { display: block; font-size: .85rem; font-weight: 600; color: var(--ink-2); margin-bottom: 8px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
input[type="time"], input[type="number"], input[type="email"], input[type="text"], input[type="date"], select {
  width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--bg); color: var(--ink); font: 500 1rem var(--sans); color-scheme: dark;
}
input:focus, select:focus { outline: 2px solid var(--amber); outline-offset: 1px; border-color: transparent; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--line); background: var(--bg); color: var(--ink-2);
  padding: 8px 12px; border-radius: 999px; font: 500 .85rem var(--sans); cursor: pointer;
}
.chip:hover { border-color: var(--ink-3); color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--amber); border-color: var(--amber); color: #1c1205; }
input[type="range"] { width: 100%; accent-color: var(--amber); }
.range-val { float: right; color: var(--amber); font-weight: 600; }
.toggle { display: flex; align-items: center; gap: 10px; font-size: .9rem; color: var(--ink-2); cursor: pointer; }
.toggle input { accent-color: var(--amber); width: 18px; height: 18px; }

.result-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.badge { display: inline-block; padding: 5px 12px; border-radius: 999px; background: rgba(244, 162, 89, .15); color: var(--amber-2); font: 600 .78rem var(--sans); letter-spacing: .06em; text-transform: uppercase; }
.result-top h3 { margin: 10px 0 0; font-size: 1.6rem; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* timeline */
.timeline { margin: 6px 0 28px; }
.tl-hours { position: relative; height: 18px; margin-left: 78px; font-size: .7rem; color: var(--ink-3); }
.tl-hours span { position: absolute; transform: translateX(-50%); white-space: nowrap; }
.lane { display: flex; align-items: center; height: 34px; margin-bottom: 6px; }
.lane-name { width: 78px; flex: none; font-size: .78rem; color: var(--ink-3); font-weight: 600; }
.lane-track { position: relative; flex: 1; height: 100%; background: var(--bg); border-radius: 8px; overflow: hidden; }
.lane-track .grid { position: absolute; top: 0; bottom: 0; width: 1px; background: rgba(143, 154, 176, .12); }
.seg { position: absolute; top: 4px; bottom: 4px; border-radius: 6px; font-size: .7rem; font-weight: 600; color: rgba(13, 22, 38, .85); padding: 0 6px; display: flex; align-items: center; overflow: hidden; white-space: nowrap; }
.seg.work { background: var(--work); color: var(--ink); }
.seg.sleep { background: var(--sleep); }
.seg.nap { background: var(--nap); }
.seg.caff { background: repeating-linear-gradient(135deg, var(--caff) 0 8px, #b97a4b 8px 16px); }
.seg.light { background: var(--light); }
.seg.dim { background: var(--dim); color: var(--ink); }
.dot { position: absolute; top: 50%; width: 16px; height: 16px; margin: -8px 0 0 -8px; border-radius: 50%; background: var(--food); border: 3px solid var(--bg); }
.now { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--danger); }
.legend { display: flex; flex-wrap: wrap; gap: 14px; margin: 10px 0 0 78px; font-size: .75rem; color: var(--ink-3); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
@media (max-width: 560px) {
  .lane-name, .legend { margin-left: 0; }
  .lane-name { width: 56px; font-size: .7rem; }
  .tl-hours { margin-left: 56px; }
  .tl-hours span:nth-child(even) { display: none; }
  .seg { font-size: 0; }
}

/* steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.step { display: grid; grid-template-columns: 84px 14px 1fr; gap: 14px; align-items: start; padding: 12px 0; border-bottom: 1px solid rgba(42, 59, 92, .55); }
.step:last-child { border-bottom: 0; }
.step time { font: 600 .95rem var(--sans); color: var(--ink); text-align: right; padding-top: 1px; }
.step .pip { width: 12px; height: 12px; border-radius: 50%; margin-top: 6px; background: var(--ink-3); }
.step strong { display: block; font-weight: 600; }
.step span { color: var(--ink-3); font-size: .92rem; }
.pip.sleep { background: var(--sleep); } .pip.nap { background: var(--nap); } .pip.work { background: var(--work); }
.pip.caff { background: var(--caff); } .pip.light { background: var(--light); } .pip.dim { background: var(--dim); }
.pip.food { background: var(--food); } .pip.wake { background: var(--amber); }

.notes { margin-top: 26px; background: var(--card-2); border-radius: 14px; padding: 20px 22px; }
.notes h4 { margin: 0 0 10px; font: 600 1.05rem var(--display); }
.notes ul { margin: 0; padding-left: 1.1em; color: var(--ink-2); }
.notes li { margin-bottom: 8px; }
.notes li.warn { color: var(--danger); }
.disclaimer { font-size: .8rem; color: var(--ink-3); margin-top: 16px; }

/* ---------- pillars ---------- */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 40px; }
.pillar { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.pillar .ic { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 16px; font-size: 1.3rem; }
.pillar p { color: var(--ink-2); font-size: .95rem; margin: 0; }
@media (max-width: 900px) { .pillars { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .pillars { grid-template-columns: 1fr; } }

/* ---------- guides ---------- */
.cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.gcard { display: block; text-decoration: none; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: transform .15s, border-color .15s; }
.gcard:hover { color: var(--ink); transform: translateY(-3px); border-color: var(--amber); }
.gcard .tag { font-size: .75rem; color: var(--amber); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.gcard h3 { margin: 10px 0; }
.gcard p { color: var(--ink-3); font-size: .95rem; margin: 0; }
@media (max-width: 900px) { .cards3 { grid-template-columns: 1fr; } }

/* ---------- pricing ---------- */
#pro { background: var(--bg-2); }
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
.tier { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; }
.tier.hot { border-color: var(--amber); box-shadow: 0 0 0 1px var(--amber), var(--shadow); }
.tier .price { font: 600 2.4rem/1 var(--display); margin: 10px 0 4px; }
.tier .price small { font: 500 .95rem var(--sans); color: var(--ink-3); }
.tier ul { padding-left: 1.1em; color: var(--ink-2); margin: 16px 0 24px; flex: 1; }
.tier li { margin-bottom: 8px; }
@media (max-width: 900px) { .tiers { grid-template-columns: 1fr; } }

/* ---------- signup ---------- */
.signup { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: 28px; padding: 48px; }
.signup form { display: grid; gap: 12px; }
.signup .form-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.form-msg { font-size: .9rem; min-height: 1.4em; margin: 0; }
.form-msg.ok { color: var(--food); }
.form-msg.err { color: var(--danger); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 860px) { .signup { grid-template-columns: 1fr; padding: 28px; gap: 24px; } .signup .form-row { grid-template-columns: 1fr; } }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); padding: 40px 0 60px; color: var(--ink-3); font-size: .88rem; }
footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer a { color: var(--ink-2); }

/* ---------- article pages ---------- */
.article { max-width: 720px; margin: 0 auto; padding: 70px 16px 40px; }
.article h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
.article h2 { font-size: 1.9rem; margin-top: 2.4em; padding-top: 1.2em; border-top: 1px solid var(--line); }
.article h3 { margin-top: 1.6em; }
.article p, .article li { color: var(--ink-2); font-size: 1.07rem; }
.article li { margin-bottom: .5em; }
.article .toc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; margin: 30px 0; }
.article .toc ol { margin: 0; padding-left: 1.2em; }
.callout { background: var(--card-2); border-left: 4px solid var(--amber); padding: 16px 20px; border-radius: 0 12px 12px 0; margin: 1.5em 0; }
.callout p { margin: 0; color: var(--ink); }

/* ---------- print ---------- */
@media print {
  body { background: #fff; color: #000; }
  .site-header, .hero, .band, #how, #guides, #pro, #brief, footer, .panel.form-panel, .actions, .planner-head { display: none !important; }
  section { padding: 0; }
  #planner { background: #fff; }
  .planner { display: block; }
  .panel { border: 0; background: #fff; color: #000; padding: 0; }
  .lane-track { background: #eee; }
  .step span, .muted, .disclaimer, .notes li { color: #333; }
  .notes { background: #f4f4f4; }
  .step time, .result-top h3 { color: #000; }
}

@media (max-width: 560px) {
  section { padding: 64px 0; }
  .panel { padding: 18px; }
  .step { grid-template-columns: 58px 10px 1fr; gap: 10px; }
  .step time { font-size: .85rem; }
}