/* Krunchi marketing site — hand-rolled, no frameworks.
   Palette mirrors the app (frontend/tailwind.config.js). No emojis anywhere. */

:root {
  --bg: #0B0E14;
  --surface: #131722;
  --surface2: #1B2130;
  --stroke: #2A3242;
  --text: #F5F7FA;
  --muted: #8B94A7;
  --accent: #2EE6A8;
  --accent-dim: #1FA87A;
  --accent2: #4D9FFF;
  --grad: linear-gradient(92deg, #2EE6A8 0%, #3ED6C4 55%, #4D9FFF 100%);
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Barlow Condensed", "Arial Narrow", "Inter", -apple-system, sans-serif;
  --nav-h: 64px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; }

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

::selection { background: rgba(46, 230, 168, 0.28); }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  padding: 0; overflow: hidden; clip: rect(0 0 0 0); border: 0; white-space: nowrap;
}

/* ------------------------------------------------------------------ nav */

.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(11, 14, 20, 0.78);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.nav.scrolled { border-bottom-color: var(--stroke); }
.nav .wrap { display: flex; align-items: center; gap: 28px; width: 100%; }
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 30px; width: auto; display: block; }
.nav-links { display: flex; gap: 26px; margin-left: 8px; }
.nav-links a {
  color: var(--muted); font-size: 15px; font-weight: 600;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta { margin-left: auto; }

/* ------------------------------------------------------------------ buttons */

.btn {
  display: inline-block;
  background: var(--accent);
  color: #06251A;
  font-weight: 700; font-size: 15px;
  border: 0; border-radius: 12px;
  padding: 12px 22px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}
.btn:hover {
  text-decoration: none;
  background: #43F0B6;
  box-shadow: 0 6px 28px -6px rgba(46, 230, 168, 0.55);
  transform: translateY(-1px);
}
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.6; cursor: default; transform: none; box-shadow: none; }
.btn-sm { padding: 9px 16px; font-size: 14px; border-radius: 10px; }

:is(a, button, input, summary):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ------------------------------------------------------------------ hero */

.hero {
  position: relative;
  padding: calc(var(--nav-h) + 64px) 0 40px;
  overflow: hidden;
}
.hero-glow {
  position: absolute; pointer-events: none;
  width: 900px; height: 900px; top: -420px; left: 50%; transform: translateX(-72%);
  background: radial-gradient(closest-side, rgba(46, 230, 168, 0.14), transparent 70%);
}
.hero-glow.right {
  top: auto; bottom: -540px; transform: translateX(6%);
  background: radial-gradient(closest-side, rgba(77, 159, 255, 0.10), transparent 70%);
}
.hero .wrap {
  position: relative;
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 48px; align-items: center;
}
.kicker {
  font-family: var(--font-display);
  text-transform: uppercase; letter-spacing: 0.14em;
  font-size: 14px; font-weight: 700; color: var(--accent);
  margin: 0 0 14px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(44px, 6.2vw, 74px);
  font-weight: 800; text-transform: uppercase;
  line-height: 0.98; letter-spacing: 0.01em;
  margin: 0 0 18px;
}
.hero h1 .grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero-sub {
  color: var(--muted); font-size: 19px; max-width: 34em; margin: 0 0 28px;
}
.hero-sub strong { color: var(--text); font-weight: 600; }

.store-badge {
  display: inline-flex; align-items: center; gap: 10px;
  border: 1px solid var(--stroke); border-radius: 12px;
  background: var(--surface);
  padding: 9px 16px; margin-bottom: 26px;
}
.store-badge svg { flex: none; }
.store-badge .lines { line-height: 1.15; text-align: left; }
.store-badge .small { display: block; font-size: 11px; color: var(--muted); letter-spacing: 0.04em; text-transform: uppercase; }
.store-badge .big { display: block; font-size: 15px; font-weight: 700; color: var(--text); }

/* ------------------------------------------------------------------ waitlist form */

.waitlist-form { max-width: 470px; }
.field-row { display: flex; gap: 10px; }
.field-row input[type="email"] {
  flex: 1; min-width: 0;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--stroke); border-radius: 12px;
  padding: 12px 16px; font-size: 16px; font-family: inherit;
  transition: border-color 0.15s;
}
.field-row input[type="email"]::placeholder { color: #5A6376; }
.field-row input[type="email"]:focus { outline: none; border-color: var(--accent); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-note { font-size: 13.5px; color: var(--muted); margin: 10px 2px 0; min-height: 1.4em; }
.form-note.ok { color: var(--accent); font-weight: 600; }
.form-note.err { color: #F87171; font-weight: 600; }

/* ------------------------------------------------------------------ phone frames */

/* Bezel-only frame on purpose: the screenshots carry no iOS status bar, so a faked
   Dynamic Island overlay would sit on top of real app UI (it covered the Recovery
   title during verification). A clean bezel reads as a phone without lying. */
.phone {
  position: relative;
  border-radius: 46px;
  background: #05070C;
  border: 1px solid #313A4C;
  padding: 12px;
  box-shadow:
    0 30px 90px -30px rgba(46, 230, 168, 0.28),
    0 20px 60px rgba(0, 0, 0, 0.65),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}
.phone img { display: block; width: 100%; border-radius: 34px; }
.hero-phone { max-width: 340px; margin: 0 auto; }

/* ------------------------------------------------------------------ features */

.features { padding: 72px 0 8px; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 24px; }
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(34px, 4.4vw, 52px);
  text-transform: uppercase; font-weight: 800; letter-spacing: 0.01em;
  line-height: 1.02; margin: 0 0 12px;
}
.section-head p { color: var(--muted); margin: 0; }

.feature {
  display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: 56px; align-items: center;
  padding: 56px 0;
}
.feature.flip .feature-copy { order: 2; }
.feature.flip .feature-shot { order: 1; }
.feature-copy h3 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 40px);
  text-transform: uppercase; font-weight: 800;
  line-height: 1.04; letter-spacing: 0.01em;
  margin: 0 0 14px;
}
.feature-copy p { color: var(--muted); margin: 0 0 14px; max-width: 33em; }
.feature-copy p strong { color: var(--text); font-weight: 600; }
.feature-copy ul { color: var(--muted); margin: 0; padding-left: 20px; }
.feature-copy li { margin: 6px 0; }
.feature-copy li::marker { color: var(--accent); }
.feature-shot { display: flex; justify-content: center; }
.feature-shot .phone { max-width: 300px; }

/* ------------------------------------------------------------------ crew band */

.band {
  background: var(--surface);
  border-top: 1px solid var(--stroke);
  border-bottom: 1px solid var(--stroke);
  padding: 72px 0;
  margin: 24px 0;
}
.band .section-head { margin-bottom: 40px; }
.band-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.band-card {
  background: var(--bg);
  border: 1px solid var(--stroke); border-radius: 18px;
  padding: 24px;
}
.band-card h4 {
  font-family: var(--font-display);
  text-transform: uppercase; letter-spacing: 0.03em;
  font-size: 20px; margin: 0 0 8px;
}
.band-card p { color: var(--muted); font-size: 15.5px; margin: 0; }

/* ------------------------------------------------------------------ how it works */

.how { padding: 72px 0; }
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--stroke); border-radius: 18px;
  padding: 26px 24px 24px;
}
.step-num {
  font-family: var(--font-display); font-weight: 800;
  font-size: 15px; color: var(--accent);
  border: 1px solid rgba(46, 230, 168, 0.4); border-radius: 999px;
  width: 34px; height: 34px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px; background: rgba(46, 230, 168, 0.08);
}
.step h4 {
  font-family: var(--font-display); text-transform: uppercase;
  font-size: 21px; letter-spacing: 0.02em; margin: 0 0 8px;
}
.step p { color: var(--muted); font-size: 15.5px; margin: 0; }

/* ------------------------------------------------------------------ FAQ */

.faq { padding: 24px 0 72px; }
.faq-list { max-width: 720px; margin: 36px auto 0; }
.faq details {
  border: 1px solid var(--stroke); border-radius: 14px;
  background: var(--surface);
  margin-bottom: 12px;
  padding: 0 20px;
}
.faq summary {
  cursor: pointer; list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-weight: 600; font-size: 16.5px;
  padding: 16px 0;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; color: var(--accent);
  font-size: 22px; font-weight: 500; line-height: 1;
  transition: transform 0.2s; flex: none;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); margin: 0 0 16px; font-size: 15.5px; }

/* ------------------------------------------------------------------ final CTA */

.cta {
  padding: 84px 0;
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(46, 230, 168, 0.10), transparent 70%),
    var(--surface);
  border-top: 1px solid var(--stroke);
  text-align: center;
}
.cta h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 58px);
  text-transform: uppercase; font-weight: 800; line-height: 1;
  margin: 0 0 14px;
}
.cta p { color: var(--muted); margin: 0 auto 30px; max-width: 36em; }
.cta .waitlist-form { margin: 0 auto; }

/* ------------------------------------------------------------------ footer */

.footer { border-top: 1px solid var(--stroke); padding: 36px 0 48px; }
.footer .wrap {
  display: flex; flex-wrap: wrap; align-items: center; gap: 18px 32px;
}
.footer img { height: 26px; width: auto; opacity: 0.9; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; margin-left: auto; }
.footer-links a { color: var(--muted); font-size: 14.5px; }
.footer-links a:hover { color: var(--text); text-decoration: none; }
.footer-copy { width: 100%; color: #5A6376; font-size: 13.5px; margin: 4px 0 0; }

/* ------------------------------------------------------------------ legal pages */

.legal { max-width: 680px; margin: 0 auto; padding: calc(var(--nav-h) + 48px) 24px 96px; }
.legal h1 {
  font-family: var(--font-display); text-transform: uppercase;
  font-size: 42px; margin: 0 0 6px; letter-spacing: 0.01em;
}
.legal .updated { color: var(--muted); font-size: 13.5px; margin: 0 0 36px; }
.legal h2 {
  font-family: var(--font-display); text-transform: uppercase;
  font-size: 21px; letter-spacing: 0.03em; margin: 34px 0 10px;
}
.legal p, .legal li { color: #C7CEDB; font-size: 15.5px; }
.legal li { margin: 6px 0; }
.legal li::marker { color: var(--accent); }
.legal strong { color: var(--text); }
.legal .seealso { margin-top: 48px; color: var(--muted); font-size: 14px; }

/* ------------------------------------------------------------------ reveal on scroll */

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .nav { transition: none; }
}

/* ------------------------------------------------------------------ responsive */

section[id], div[id] { scroll-margin-top: calc(var(--nav-h) + 12px); }

@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 44px; text-align: center; }
  .hero-sub, .waitlist-form { margin-left: auto; margin-right: auto; }
  .hero-phone { max-width: 290px; }
  .feature, .feature.flip { grid-template-columns: 1fr; gap: 32px; padding: 44px 0; }
  .feature.flip .feature-copy { order: 1; }
  .feature.flip .feature-shot { order: 2; }
  .feature-copy { text-align: center; }
  .feature-copy p, .feature-copy ul { text-align: left; }
  .feature-copy ul { display: inline-block; }
  .feature-shot .phone { max-width: 260px; }
  .band-grid, .how-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .wrap { padding: 0 18px; }
  .field-row { flex-direction: column; }
  .field-row .btn { width: 100%; }
  .footer .wrap { flex-direction: column; align-items: flex-start; }
  .footer-links { margin-left: 0; }
}