/* SnackScore website - "steel" design, mirroring the iOS app:
   brushed-metal panels, polished beveled rims, fresh lime->emerald green,
   and the 1-100 band-spectrum score dial. Dark, on a pure-black backdrop. */

:root {
  /* surfaces */
  --bg: #000000;
  --steel-1: #474747;
  --steel-2: #383838;
  --steel-3: #2b2b2b;
  --rim-top: rgba(255,255,255,.55);
  --rim-mid: rgba(255,255,255,.14);
  --rim-bot: rgba(0,0,0,.5);

  /* brand */
  --green-1: #79da64;
  --green-2: #1c9963;
  --green: #5fd070;
  --amber: #fab238;

  /* score bands (match Theme.band in the app) */
  --b-avoid: #fa433d;
  --b-poor: #ff6321;
  --b-weak: #ff9414;
  --b-okay: #ffc21a;
  --b-good: #6bd14d;
  --b-excellent: #33cc5c;

  /* text - kept high-contrast white (no murky grey) */
  --text: #ffffff;
  --text-dim: rgba(255,255,255,.92);
  --text-faint: rgba(255,255,255,.78);

  --font: -apple-system, BlinkMacSystemFont, system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --maxw: 1080px;
  --radius: 18px;
  --radius-sm: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* faint steel glow behind everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(96,208,112,.10), transparent 55%),
    radial-gradient(100% 60% at 110% 0%, rgba(255,255,255,.06), transparent 60%),
    #000;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- brushed-steel surface (the app's SteelCard) ---------- */
.steel {
  position: relative;
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(0deg, rgba(255,255,255,.018) 0 1px, rgba(0,0,0,.02) 1px 2.4px),
    linear-gradient(180deg, var(--steel-1), var(--steel-2) 55%, var(--steel-3));
  box-shadow:
    0 9px 22px rgba(0,0,0,.6),
    inset 0 1px 0 rgba(255,255,255,.10);
  border: 1px solid transparent;
}
/* polished beveled rim: bright top fading to dark bottom */
.steel::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.2px;
  background: linear-gradient(180deg, var(--rim-top), var(--rim-mid) 45%, var(--rim-bot));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: .98rem;
  padding: 13px 22px;
  border-radius: 14px;
  border: 0;
  cursor: pointer;
  transition: transform .15s ease, filter .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn--primary {
  color: #06210f;
  background: linear-gradient(135deg, var(--green-1), var(--green-2));
  box-shadow: 0 8px 22px rgba(28,153,99,.34), inset 0 1px 0 rgba(255,255,255,.4);
}
.btn--primary:hover { transform: translateY(-2px); filter: brightness(1.05); }
.btn--ghost {
  color: var(--text);
  background: linear-gradient(180deg, var(--steel-1), var(--steel-3));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.16), 0 6px 16px rgba(0,0,0,.5);
}
.btn--ghost:hover { transform: translateY(-2px); }
.btn[aria-disabled="true"] { opacity: .55; cursor: default; pointer-events: none; }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(8,8,8,.66);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 13px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.02em; }
.brand__mark { width: 32px; height: 32px; border-radius: 8px; box-shadow: 0 2px 6px rgba(0,0,0,.5); }
.brand__word { font-size: 1.12rem; }
.brand__word b { color: var(--green); }
.nav__links { display: flex; align-items: center; gap: 26px; }
.nav__link { color: var(--text-dim); font-weight: 600; font-size: .95rem; transition: color .15s; }
.nav__link:hover, .nav__link[aria-current="page"] { color: var(--text); }
.nav__cta { margin-left: 4px; }
.nav__burger { display: none; }

/* ---------- hero ---------- */
.hero { padding: 64px 0 40px; }
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 46px;
  align-items: center;
}
.eyebrow {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 14px;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.02;
  letter-spacing: -.03em;
  margin: 0 0 18px;
  font-weight: 800;
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--green-1), var(--green-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.sub { font-size: 1.18rem; color: var(--text-dim); margin: 0 0 28px; max-width: 30ch; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero__note { margin-top: 16px; font-size: .85rem; color: var(--text-faint); }

/* ---------- the scorecard (hero showpiece) ---------- */
.card-demo { padding: 26px; }
.card-demo__top { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.thumb {
  width: 54px; height: 54px; border-radius: 13px; flex: 0 0 auto;
  background: radial-gradient(circle at 35% 30%, #2f8fd6, #134e86);
  display: grid; place-items: center; font-size: 26px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.3);
}
.card-demo__name { font-weight: 700; font-size: 1.05rem; }
.card-demo__brand { font-size: .82rem; color: rgba(255,255,255,.85); }

.dial { position: relative; width: 184px; height: 184px; margin: 6px auto 14px; }
/* gauge with a gap at the bottom (no red/green seam). Faint grey track. */
.dial__ring {
  position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 215deg, rgba(255,255,255,.13) 0deg 290deg, transparent 290deg 360deg);
  -webkit-mask: radial-gradient(farthest-side, transparent 70%, #000 72%);
  mask: radial-gradient(farthest-side, transparent 70%, #000 72%);
}
/* spectrum fill from red, up and around, ending in green at the score (85) */
.dial__arc {
  position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 215deg,
    var(--b-avoid) 0deg, var(--b-poor) 58deg, var(--b-weak) 116deg,
    var(--b-okay) 174deg, var(--b-good) 213deg, var(--b-excellent) 246deg,
    transparent 247deg 360deg);
  -webkit-mask: radial-gradient(farthest-side, transparent 70%, #000 72%);
  mask: radial-gradient(farthest-side, transparent 70%, #000 72%);
  filter: drop-shadow(0 0 8px rgba(51,204,92,.4));
}
.dial__center { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; }
.dial__num { font-size: 3.1rem; font-weight: 800; line-height: 1; letter-spacing: -.03em; }
.dial__of { font-size: .72rem; color: var(--text-faint); font-family: var(--mono); }
.band-pill {
  display: inline-block; font-weight: 700; font-size: .8rem;
  padding: 5px 14px; border-radius: 100px; color: #06210f;
  background: linear-gradient(135deg, var(--green-1), var(--green-2));
}
.card-demo__chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 4px; justify-content: center; }
.chip {
  font-size: .76rem; font-weight: 600; padding: 5px 11px; border-radius: 100px;
  border: 1px solid rgba(255,255,255,.12); color: var(--text-dim);
}
.chip--good { color: var(--b-good); border-color: rgba(107,209,77,.4); }
.chip--watch { color: var(--b-okay); border-color: rgba(255,194,26,.4); }
.card-demo__src {
  margin-top: 14px; font-family: var(--mono); font-size: .72rem; color: var(--text-faint);
  display: flex; align-items: center; gap: 6px; justify-content: center;
}

/* ---------- generic sections ---------- */
.section { padding: 58px 0; }
.section__head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.section__head h2 { font-size: clamp(1.3rem, 6vw, 2.5rem); letter-spacing: -.02em; margin: 0 0 12px; font-weight: 800; white-space: nowrap; }
.section__head p { color: var(--text-dim); margin: 0 auto; font-size: 1.06rem; max-width: 40ch; }
.kicker {
  font-family: var(--mono); font-size: .76rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--green); display: block; margin-bottom: 10px;
}

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step { padding: 28px 24px; }
.step__icon {
  width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center;
  margin-bottom: 16px; color: var(--green);
  background: radial-gradient(circle at 50% 32%, #303030, #0b0b0b 78%);
  border: 2.5px solid var(--green);
  box-shadow: inset 0 1px 2px rgba(255,255,255,.16), inset 0 -3px 8px rgba(0,0,0,.5), 0 0 0 1px rgba(0,0,0,.5);
}
.step__icon svg { width: 27px; height: 27px; }
.step__n { font-family: var(--mono); font-size: .74rem; color: var(--green); letter-spacing: .1em; }
.step h3 { margin: 4px 0 8px; font-size: 1.2rem; }
.step p { margin: 0; color: var(--text-dim); font-size: .98rem; }

/* feature grid */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature { padding: 24px; }
.feature__ico {
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  margin-bottom: 14px; color: var(--green);
  background: radial-gradient(circle at 50% 32%, #2e2e2e, #0c0c0c 80%);
  border: 2px solid var(--green);
  box-shadow: inset 0 1px 2px rgba(255,255,255,.14), 0 0 0 1px rgba(0,0,0,.5);
}
.feature__ico svg { width: 22px; height: 22px; }
.feature h3 { margin: 0 0 7px; font-size: 1.08rem; }
.feature p { margin: 0; color: var(--text-dim); font-size: .95rem; }

/* honesty band */
.honest { padding: 40px; text-align: center; }
.honest h2 { font-size: clamp(1.7rem, 4vw, 2.3rem); margin: 0 0 14px; letter-spacing: -.02em; }
.honest p { color: var(--text-dim); max-width: 56ch; margin: 0 auto 8px; font-size: 1.05rem; }
.honest__row { display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; margin-top: 24px; }
.honest__row span { font-family: var(--mono); font-size: .82rem; color: var(--green); }

/* band scale teaching strip */
.scale { display: flex; height: 12px; border-radius: 100px; overflow: hidden; margin: 22px auto 8px; max-width: 460px; }
.scale i { flex: 1; }
.scale__labels { display: flex; justify-content: space-between; max-width: 460px; margin: 0 auto;
  font-family: var(--mono); font-size: .68rem; color: var(--text-faint); }

/* CTA */
.cta { text-align: center; padding: 56px 0 20px; }
.cta h2 { font-size: clamp(1.9rem, 4.5vw, 2.6rem); margin: 0 0 16px; letter-spacing: -.02em; }

/* ---------- doc pages (privacy / terms / support) ---------- */
.doc { padding: 50px 0 30px; }
.doc__wrap { max-width: 760px; margin: 0 auto; padding: 0 22px; }
.doc__back { display: inline-block; color: var(--green); font-weight: 600; font-size: .9rem; margin-bottom: 18px; }
.doc h1 { font-size: clamp(2rem, 5vw, 2.7rem); letter-spacing: -.02em; margin: 0 0 6px; }
.doc h2 { font-size: 1.32rem; margin: 34px 0 10px; }
.doc h3 { font-size: 1.06rem; margin: 22px 0 4px; }
.doc p, .doc li { color: var(--text-dim); }
.doc strong { color: var(--text); }
.doc .lead { font-size: 1.1rem; color: var(--text); }
.doc .updated { color: var(--text-faint); font-family: var(--mono); font-size: .82rem; margin: 0 0 22px; }
.doc ul { padding-left: 20px; }
.doc li { margin: 6px 0; }
.doc a.link { color: var(--green); text-decoration: underline; text-underline-offset: 2px; }
.doc hr { border: 0; border-top: 1px solid rgba(255,255,255,.1); margin: 30px 0; }
.doc .card { padding: 22px; margin: 22px 0; }
.faq-q { color: var(--text); }

/* ---------- footer ---------- */
.footer { border-top: 1px solid rgba(255,255,255,.08); margin-top: 60px; padding: 34px 0 46px; }
.footer__base { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; color: var(--text-faint); font-size: .9rem; }
.footer__base a { color: var(--text-dim); }
.footer__base a:hover { color: var(--text); }
.footer__legal { color: var(--text-faint); font-size: .8rem; margin-top: 14px; max-width: 70ch; }
.footer__legal a { color: var(--text-dim); text-decoration: underline; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 40px 0 20px; }
  .hero p.sub { max-width: none; }
  .steps, .features { grid-template-columns: 1fr; }
  .nav__links {
    position: absolute; top: 100%; right: 14px; left: 14px;
    flex-direction: column; align-items: stretch; gap: 4px;
    padding: 12px; border-radius: 16px;
    background: rgba(18,18,18,.97); backdrop-filter: blur(14px);
    border: 1px solid rgba(255,255,255,.1);
    display: none;
  }
  .nav__links.open { display: flex; }
  .nav__link { padding: 10px 8px; }
  .nav__cta { margin: 6px 0 0; justify-content: center; }
  .nav__burger {
    display: inline-flex; flex-direction: column; gap: 5px; justify-content: center;
    width: 42px; height: 42px; align-items: center; background: none; border: 0; cursor: pointer;
  }
  .nav__burger span, .nav__burger::before, .nav__burger::after {
    content: ""; display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}

/* ============================================================================
   PAGE TRANSITIONS - cross-document View Transitions (same as the LuxLine site).
   transition.js sets html[data-vt]=forward|back from the nav order
   (Home -> Support -> Privacy -> Terms) so pages slide the right way; pages
   outside that order get a clean fade. The nav stays steady. No-op without the API.
   ========================================================================== */
@view-transition { navigation: auto; }

::view-transition-old(root) { animation: pageFadeOut 0.2s ease both; }
::view-transition-new(root) { animation: pageFadeIn 0.34s cubic-bezier(0.16, 1, 0.3, 1) both; }
@keyframes pageFadeOut { to { opacity: 0; } }
@keyframes pageFadeIn { from { opacity: 0; transform: translateY(8px); } }

html[data-vt="forward"]::view-transition-old(root) { animation: pushOutLeft 0.4s cubic-bezier(0.4, 0, 0.2, 1) both; }
html[data-vt="forward"]::view-transition-new(root) { animation: pushInRight 0.4s cubic-bezier(0.22, 0.61, 0.36, 1) both; }
html[data-vt="back"]::view-transition-old(root) { animation: pushOutRight 0.4s cubic-bezier(0.4, 0, 0.2, 1) both; }
html[data-vt="back"]::view-transition-new(root) { animation: pushInLeft 0.4s cubic-bezier(0.22, 0.61, 0.36, 1) both; }
@keyframes pushOutLeft  { to   { transform: translateX(-24%); opacity: 0.5; } }
@keyframes pushInRight  { from { transform: translateX(100%); } }
@keyframes pushOutRight { to   { transform: translateX(24%);  opacity: 0.5; } }
@keyframes pushInLeft   { from { transform: translateX(-100%); } }

/* nav stays put and swaps instantly (no crossfade, so its text never doubles) */
.nav { view-transition-name: ss-nav; }
::view-transition-old(ss-nav) { animation: none; opacity: 0; }
::view-transition-new(ss-nav) { animation: none; opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; }
}