/* 28 Hour Day — site styles. Palette mirrors the app's celestial tokens. */

:root {
  --surface: #10141A;
  --surface-low: #181C22;
  --surface-card: #1C2026;
  --surface-high: #31353C;
  --primary: #BCC2FF;
  --primary-deep: #142283;
  --on-primary: #152383;
  --text: #DFE2EB;
  --subtext: #C6C5D4;
  --outline: #454652;
  --amber: #FFBA38;
  --serif: "New York", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --rounded: -apple-system, BlinkMacSystemFont, "SF Pro Rounded", "Segoe UI", Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--surface);
  color: var(--text);
  font-family: var(--rounded);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Header */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(16, 20, 26, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(69, 70, 82, 0.35);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; padding-bottom: 14px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); font-size: 17px; }
.brand img { width: 34px; height: 34px; border-radius: 8px; }
.brand:hover { text-decoration: none; }
nav.site-nav { display: flex; gap: 22px; align-items: center; font-size: 15px; font-weight: 600; }
nav.site-nav a { color: var(--subtext); }
nav.site-nav a:hover { color: var(--primary); text-decoration: none; }
.nav-cta {
  background: linear-gradient(135deg, var(--primary), #8f9aec);
  color: var(--on-primary) !important;
  padding: 9px 18px; border-radius: 999px; font-weight: 700;
}
.nav-cta:hover { filter: brightness(1.06); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 84px 0 40px; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(1200px 500px at 70% -10%, rgba(20, 34, 131, 0.45), transparent 60%),
    radial-gradient(700px 400px at 15% 20%, rgba(188, 194, 255, 0.08), transparent 60%);
  pointer-events: none;
}
.stars { position: absolute; inset: 0; pointer-events: none; }
.stars i {
  position: absolute; width: 2px; height: 2px; border-radius: 50%;
  background: rgba(223, 226, 235, 0.7);
  animation: twinkle 3.4s ease-in-out infinite;
}
@keyframes twinkle { 0%, 100% { opacity: .25; } 50% { opacity: .9; } }
@media (prefers-reduced-motion: reduce) { .stars i { animation: none; } }

.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }

.hero h1 {
  font-family: var(--serif); font-style: italic; font-weight: 500;
  font-size: clamp(42px, 6vw, 64px); line-height: 1.08; letter-spacing: -0.5px;
}
.hero .sub {
  margin-top: 18px; font-size: 19px; color: var(--subtext); max-width: 46ch;
}
.hero .cta-row { margin-top: 28px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

.badge-appstore {
  display: inline-flex; align-items: center; gap: 10px;
  border: 1.5px solid var(--outline); border-radius: 12px;
  padding: 10px 18px; color: var(--text); font-weight: 600; font-size: 15px;
  background: var(--surface-low);
}
.badge-appstore:hover { border-color: var(--primary); text-decoration: none; }
.badge-appstore .apple { font-size: 24px; line-height: 1; }
.badge-appstore small { display: block; font-size: 11px; color: var(--subtext); font-weight: 500; }
.badge-appstore.soon { opacity: .85; }

/* Waitlist */
.waitlist { margin-top: 28px; max-width: 460px; }
.waitlist h3 { font-size: 17px; font-weight: 700; }
.waitlist .waitlist-body { color: var(--subtext); font-size: 14.5px; margin-top: 6px; }
.waitlist-form { display: flex; gap: 10px; margin-top: 14px; }
.waitlist-form input {
  flex: 1; min-width: 0; background: var(--surface-low);
  border: 1.5px solid var(--outline); border-radius: 12px;
  padding: 12px 14px; color: var(--text); font-family: var(--rounded); font-size: 15px;
}
.waitlist-form input::placeholder { color: rgba(198, 197, 212, .5); }
.waitlist-form input:focus { outline: none; border-color: var(--primary); }
.waitlist-form button {
  background: linear-gradient(135deg, var(--primary), #8f9aec);
  color: var(--on-primary); border: none; border-radius: 12px;
  padding: 12px 18px; font-family: var(--rounded); font-size: 14px; font-weight: 700;
  cursor: pointer; white-space: nowrap;
}
.waitlist-form button:hover { filter: brightness(1.06); }
.waitlist-form button:disabled { opacity: .6; cursor: default; }
.waitlist .fine { font-size: 12px; color: var(--subtext); margin-top: 10px; opacity: .85; }
.waitlist .form-note { font-size: 13px; color: var(--amber); margin-top: 8px; min-height: 1em; }
.waitlist-success { font-size: 16px; font-weight: 700; color: var(--primary); margin-top: 14px; }
.waitlist.final { margin-left: auto; margin-right: auto; text-align: center; }
.waitlist.final .waitlist-form { justify-content: center; }
@media (max-width: 480px) {
  .waitlist-form { flex-direction: column; }
  .waitlist-form button { width: 100%; }
}

/* Calculator pricing anchor */
.anchor-line { color: var(--subtext); font-size: 14px; margin-top: 12px; }
.anchor-line span { color: var(--text); font-weight: 700; }

.science-line {
  margin-top: 22px; font-size: 14px; color: var(--subtext);
  display: flex; gap: 10px; align-items: flex-start; max-width: 48ch;
}
.science-line .dot { color: var(--amber); font-size: 16px; line-height: 1.4; }

/* Phone mockup */
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-visual .blu { position: absolute; width: 180px; bottom: -20px; left: -48px; z-index: 3; filter: drop-shadow(0 12px 24px rgba(0,0,0,.45)); }

.phone {
  width: 300px; border-radius: 44px; padding: 12px;
  background: #05070a; border: 1px solid #2a2e36;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .55), 0 0 0 1px rgba(188,194,255,.06);
  position: relative; z-index: 2;
}
.phone .screen {
  border-radius: 34px; overflow: hidden; background: var(--surface);
  padding: 18px 16px 22px; min-height: 520px;
  display: flex; flex-direction: column; gap: 14px;
}
.screen .app-title { display: flex; align-items: center; gap: 7px; color: var(--primary); font-family: var(--serif); font-style: italic; font-size: 17px; }
.screen .card {
  background: var(--surface-card); border-radius: 18px; padding: 14px;
  border: 1px solid rgba(69,70,82,.4);
}
.screen .k { font-size: 9px; letter-spacing: 2px; color: var(--subtext); font-weight: 700; }
.screen .dial { display: flex; align-items: center; gap: 14px; margin-top: 8px; }
.screen .ring {
  width: 84px; height: 84px; border-radius: 50%;
  background: conic-gradient(var(--primary) 0 76%, var(--surface-high) 76% 100%);
  display: grid; place-items: center; flex: none;
}
.screen .ring > div {
  width: 66px; height: 66px; border-radius: 50%; background: var(--surface-card);
  display: grid; place-items: center; text-align: center;
  font-family: var(--serif); font-style: italic; font-size: 20px; color: var(--text);
}
.screen .ring small { display: block; font-size: 8px; letter-spacing: 1px; color: var(--subtext); font-family: var(--rounded); font-style: normal; }
.screen .dial-copy { font-size: 12.5px; color: var(--subtext); }
.screen .dial-copy b { color: var(--text); display: block; font-size: 13.5px; }
.screen .row { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--subtext); }
.screen .row .ic { width: 30px; height: 30px; border-radius: 50%; background: rgba(188,194,255,.12); display: grid; place-items: center; font-size: 14px; flex: none; }
.screen .row b { color: var(--text); display: block; font-size: 13px; }
.screen .weekdots { display: flex; gap: 6px; margin-top: 8px; }
.screen .weekdots i { width: 9px; height: 9px; border-radius: 50%; background: var(--primary); }
.screen .weekdots i.off { background: var(--surface-high); }
.screen .weekdots i.amber { background: var(--amber); }

.float-card {
  position: absolute; z-index: 4; background: var(--surface-card);
  border: 1px solid rgba(188,194,255,.25); border-radius: 18px; padding: 14px 16px;
  box-shadow: 0 18px 50px rgba(0,0,0,.5); width: 210px;
}
.float-card.shield { right: -64px; top: 200px; width: 196px; }
.float-card .fc-title { font-family: var(--serif); font-style: italic; font-size: 17px; }
.float-card .fc-quote { color: var(--primary); font-size: 12.5px; font-weight: 600; margin-top: 6px; }
.float-card .fc-btn {
  margin-top: 10px; background: var(--primary); color: var(--on-primary);
  border-radius: 999px; text-align: center; font-size: 11.5px; font-weight: 700; padding: 7px;
}
.float-card .fc-ghost { text-align: center; font-size: 10.5px; color: var(--subtext); margin-top: 6px; }

/* Sections */
section { padding: 76px 0; }
.eyebrow { font-size: 12px; letter-spacing: 2.4px; font-weight: 700; color: var(--primary); text-transform: uppercase; }
h2 {
  font-family: var(--serif); font-style: italic; font-weight: 500;
  font-size: clamp(30px, 4vw, 42px); line-height: 1.15; margin-top: 10px;
}
.section-sub { color: var(--subtext); margin-top: 12px; max-width: 62ch; }

/* Calculator */
.calc {
  background: linear-gradient(180deg, var(--surface-low), var(--surface-card));
  border: 1px solid rgba(69,70,82,.5); border-radius: 28px;
  padding: 42px; margin-top: 36px; text-align: center;
}
.calc label { display: block; font-size: 16px; color: var(--subtext); font-weight: 600; }
.calc input[type="range"] {
  width: min(420px, 90%); margin: 26px auto 6px; accent-color: var(--primary); display: block;
}
.calc .mins { font-weight: 700; color: var(--text); font-size: 18px; }
.calc .result { margin-top: 26px; }
.calc .big {
  font-family: var(--serif); font-style: italic; font-size: clamp(44px, 7vw, 72px);
  color: var(--primary); line-height: 1.05;
}
.calc .nights { color: var(--text); font-size: 20px; margin-top: 10px; }
.calc .bridge { color: var(--subtext); font-size: 15px; margin-top: 18px; font-style: italic; font-family: var(--serif); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 40px; }
.step { background: var(--surface-card); border: 1px solid rgba(69,70,82,.45); border-radius: 22px; padding: 26px; }
.step .n {
  width: 34px; height: 34px; border-radius: 50%; background: var(--primary);
  color: var(--on-primary); font-weight: 800; display: grid; place-items: center; font-size: 15px;
}
.step h3 { margin-top: 16px; font-size: 19px; }
.step p { margin-top: 8px; color: var(--subtext); font-size: 15px; }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 40px; }
.feature {
  background: var(--surface-low); border: 1px solid rgba(69,70,82,.45);
  border-radius: 22px; padding: 28px; position: relative; overflow: hidden;
}
.feature .fi { font-size: 30px; }
.feature h3 { margin-top: 14px; font-size: 19px; }
.feature p { margin-top: 8px; color: var(--subtext); font-size: 15px; }
.feature img.blu-mini { position: absolute; right: 6px; bottom: 0; width: 92px; opacity: .95; }

/* Blu band */
.blu-band { text-align: center; }
.blu-band .poses { display: flex; justify-content: center; gap: 8px; margin-top: 36px; flex-wrap: wrap; }
.blu-band .poses figure {
  background: var(--surface-card); border: 1px solid rgba(69,70,82,.45);
  border-radius: 22px; padding: 20px 16px 12px; width: 150px;
}
.blu-band .poses img { width: 100px; height: 100px; object-fit: contain; }
.blu-band .poses figcaption { font-size: 12.5px; color: var(--subtext); margin-top: 8px; font-weight: 600; }

/* FAQ */
.faq { max-width: 760px; margin: 36px auto 0; }
.faq details {
  background: var(--surface-card); border: 1px solid rgba(69,70,82,.45);
  border-radius: 16px; padding: 18px 22px; margin-bottom: 12px;
}
.faq summary { cursor: pointer; font-weight: 700; font-size: 16px; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--primary); font-size: 22px; font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 12px; color: var(--subtext); font-size: 15px; }

/* Final CTA */
.final-cta { text-align: center; padding-bottom: 100px; }
.final-cta .blu { width: 170px; }
.final-cta h2 { margin-top: 6px; }
.final-cta .cta-row { justify-content: center; display: flex; margin-top: 28px; }

/* Footer */
footer.site {
  border-top: 1px solid rgba(69,70,82,.35); padding: 36px 0 48px;
  color: var(--subtext); font-size: 14px;
}
footer.site .wrap { display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap; }
footer.site nav { display: flex; gap: 20px; }

/* Legal pages */
.legal { max-width: 760px; margin: 0 auto; padding: 64px 24px 96px; }
.legal h1 { font-family: var(--serif); font-style: italic; font-weight: 500; font-size: 38px; }
.legal .updated { color: var(--subtext); font-size: 14px; margin-top: 8px; }
.legal h2 { font-size: 24px; margin: 40px 0 0; }
.legal p, .legal li { color: var(--subtext); margin-top: 12px; font-size: 16px; }
.legal ul { padding-left: 22px; }
.legal strong { color: var(--text); }

/* Blog */
.blog-index { max-width: 760px; margin: 0 auto; padding: 64px 24px 96px; }
.blog-index h1 { font-family: var(--serif); font-style: italic; font-weight: 500; font-size: 38px; }
.blog-index .blog-intro { color: var(--subtext); margin-top: 10px; font-size: 16px; max-width: 56ch; }
.post-list { margin-top: 40px; display: grid; gap: 18px; }
.post-card {
  display: block; border: 1px solid rgba(69,70,82,.35); border-radius: 16px;
  padding: 22px 24px; color: var(--text); transition: border-color .15s ease;
}
.post-card:hover { border-color: rgba(160,160,190,.6); }
.post-card h2 { font-size: 20px; line-height: 1.3; }
.post-card p { color: var(--subtext); font-size: 15px; margin-top: 8px; }
.post-card .post-meta { color: var(--subtext); font-size: 13px; margin-top: 12px; opacity: .8; }

.post { max-width: 720px; margin: 0 auto; padding: 64px 24px 96px; }
.post h1 { font-family: var(--serif); font-style: italic; font-weight: 500; font-size: 36px; line-height: 1.15; }
.post .byline { color: var(--subtext); font-size: 14px; margin-top: 12px; }
.post h2 { font-size: 24px; margin: 44px 0 0; }
.post h3 { font-size: 19px; margin: 30px 0 0; }
.post p, .post li { color: var(--subtext); margin-top: 14px; font-size: 16.5px; line-height: 1.65; }
.post ul, .post ol { padding-left: 24px; }
.post li { margin-top: 8px; }
.post strong { color: var(--text); }
.post a { text-decoration: underline; text-underline-offset: 3px; }
.post blockquote {
  margin: 20px 0 0; padding: 14px 20px; border-left: 3px solid rgba(160,160,190,.5);
  color: var(--subtext); font-style: italic;
}
.post .post-cta {
  margin-top: 48px; border: 1px solid rgba(69,70,82,.45); border-radius: 16px;
  padding: 24px; text-align: center;
}
.post .post-cta h2 { margin-top: 0; font-size: 21px; }
.post .post-cta p { font-size: 15px; }
.post .post-cta .nav-cta { display: inline-block; margin-top: 14px; }
.post .sources { margin-top: 48px; padding-top: 20px; border-top: 1px solid rgba(69,70,82,.35); }
.post .sources h2 { font-size: 17px; margin-top: 0; }
.post .sources li { font-size: 14px; overflow-wrap: anywhere; }
.post .stat-callout {
  margin-top: 20px; border: 1px solid rgba(69,70,82,.45); border-radius: 14px; padding: 18px 22px;
}
.post .stat-callout .big-stat { font-size: 30px; font-weight: 800; color: var(--text); }
.post .stat-callout p { margin-top: 4px; font-size: 14.5px; }
.post .further { margin-top: 40px; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero { padding-top: 56px; }
  .hero-visual { margin-top: 8px; }
  .float-card.shield { right: 0; }
  .steps, .features { grid-template-columns: 1fr; }
  nav.site-nav a.hide-mobile { display: none; }
}
@media (max-width: 480px) {
  .hero-visual .blu { width: 140px; left: -8px; }
  .float-card.shield { display: none; }
  .calc { padding: 30px 18px; }
}