/* Flipper the Ripper — product page.
   Colours are the app's own dark scheme (ui/theme/Color.kt: ExpressiveDarkColors). */
:root {
  --bg: #141218;
  --bg-lowest: #0f0d13;
  --surface-low: #1d1b20;
  --surface: #211f26;
  --surface-high: #2b2930;
  --surface-highest: #36343b;
  --on-bg: #e6e0e9;
  --on-variant: #cac4d0;
  --outline: #938f99;
  --outline-variant: #49454f;
  --primary: #d0bcff;
  --on-primary: #381e72;
  --primary-container: #4f378b;
  --on-primary-container: #eaddff;
  --secondary-container: #4a4458;
  --on-secondary-container: #e8def8;
  --tertiary: #efb8c8;
  --accent: #7b4dff;

  --r-xl: 28px;
  --r-l: 20px;
  --r-full: 999px;
  --measure: 1120px;
  --gutter: clamp(16px, 4vw, 32px);
  --ease-spring: cubic-bezier(.34, 1.36, .64, 1);
  --ease-emph: cubic-bezier(.2, 0, 0, 1);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--on-bg);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-underline-offset: 3px; }
em { font-style: normal; color: var(--on-primary-container); font-weight: 600; }
code {
  font: .85em/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  overflow-wrap: anywhere;
}
:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; border-radius: 8px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip {
  position: absolute; left: 12px; top: -60px; z-index: 20;
  background: var(--primary); color: var(--on-primary); padding: 10px 16px; border-radius: var(--r-full);
}
.skip:focus { top: 12px; }

/* ---------- top bar ---------- */
.bar {
  position: fixed; inset: 0 0 auto 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: calc(env(safe-area-inset-top) + 10px) var(--gutter) 10px;
  transition: background-color .3s var(--ease-emph), box-shadow .3s var(--ease-emph);
}
.bar.solid {
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--outline-variant);
}
.brand {
  display: flex; align-items: center; gap: 10px; min-width: 0;
  color: var(--on-bg); text-decoration: none; font-weight: 700; letter-spacing: -.01em;
}
.brand span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar-links { display: flex; align-items: center; gap: 4px; }
.bar-links a, .lang {
  display: inline-flex; align-items: center; gap: 6px; min-height: 40px;
  padding: 0 14px; border-radius: var(--r-full);
  color: var(--on-variant); text-decoration: none; font: 500 14px/1 var(--font);
  transition: background-color .2s, color .2s;
}
.bar-links a:hover, .lang:hover { background: color-mix(in srgb, var(--on-bg) 8%, transparent); color: var(--on-bg); }
.bar-links .gh svg { width: 18px; height: 18px; }
.lang {
  border: 1px solid var(--outline-variant); cursor: pointer; letter-spacing: .06em;
  -webkit-appearance: none; appearance: none;
  padding: 0 30px 0 14px;
  background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 4.5 6 8l3.5-3.5' fill='none' stroke='%23cac4d0' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 11px center / 12px;
}
.lang option { background: var(--surface-high); color: var(--on-bg); }
@media (max-width: 640px) {
  .bar-links a:not(.gh) { display: none; }
  .bar-links .gh span { display: none; }
  .bar-links .gh { padding: 0 11px; }
}

/* ---------- hero ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: min(100svh, 900px);
  display: flex; align-items: center; justify-content: flex-end;
  padding: calc(env(safe-area-inset-top) + 88px) var(--gutter) 72px;
}
.hero-bg, .hero-bg img {
  position: absolute; inset: 0; width: 100%; height: 100%; z-index: -2;
}
.hero-bg img {
  object-fit: cover; object-position: 20% 50%;
  animation: hero-in 1.6s var(--ease-emph) both;
}
/* The banner carries its own wordmark on the right; the scrim sinks it into the page colour
   so the headline reads on top of it, while the phone and the dolphin stay in full light. */
.hero-scrim {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, transparent 22%, color-mix(in srgb, var(--bg) 88%, transparent) 48%, var(--bg) 72%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg) 55%, transparent) 0, transparent 22%, transparent 70%, var(--bg) 100%);
}
.hero-content { width: min(100%, 520px); margin-right: max(0px, calc((100vw - var(--measure)) / 2 - var(--gutter))); }
.kicker {
  display: inline-block; margin: 0 0 16px; padding: 6px 14px; border-radius: var(--r-full);
  background: color-mix(in srgb, var(--primary-container) 70%, transparent);
  color: var(--on-primary-container); font: 600 13px/1.2 var(--font); letter-spacing: .04em;
}
h1 {
  margin: 0 0 18px;
  font-size: clamp(2.4rem, 5.4vw, 4rem); line-height: 1.02; letter-spacing: -.035em; font-weight: 800;
  text-wrap: balance;
}
.lead { margin: 0 0 28px; font-size: clamp(1.02rem, 1.6vw, 1.15rem); color: var(--on-variant); text-wrap: pretty; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 56px; padding: 0 26px; border-radius: var(--r-full);
  font: 700 16px/1 var(--font); text-decoration: none;
  transition: transform .35s var(--ease-spring), border-radius .35s var(--ease-spring), box-shadow .3s, background-color .2s;
}
.btn svg { width: 24px; height: 24px; }
.btn.primary {
  background: var(--primary); color: var(--on-primary);
  box-shadow: 0 8px 28px -8px color-mix(in srgb, var(--accent) 80%, transparent);
}
.btn.primary:hover { box-shadow: 0 12px 36px -8px var(--accent); transform: translateY(-2px); }
.btn.tonal { background: var(--secondary-container); color: var(--on-secondary-container); }
.btn.tonal:hover { background: color-mix(in srgb, var(--secondary-container) 80%, var(--on-bg)); }
.btn:active { transform: scale(.96); border-radius: 18px; }
.meta { margin: 14px 0 0 4px; font-size: 14px; color: var(--on-variant); font-variant-numeric: tabular-nums; }

.hero-content > * { animation: rise .8s var(--ease-emph) both; }
.hero-content > :nth-child(2) { animation-delay: .06s; }
.hero-content > :nth-child(3) { animation-delay: .12s; }
.hero-content > :nth-child(4) { animation-delay: .18s; }
.hero-content > :nth-child(5) { animation-delay: .24s; }

@media (max-width: 860px) {
  /* Narrow screens show the whole banner — cropping it cut its wordmark mid-word. */
  .hero {
    display: block; min-height: 0;
    padding-top: calc(env(safe-area-inset-top) + 60px + 49.4vw + 8px);
    padding-bottom: 56px;
  }
  .hero-bg, .hero-scrim {
    top: calc(env(safe-area-inset-top) + 60px); height: 49.4vw; bottom: auto;
  }
  .hero-bg img { object-fit: cover; object-position: 50% 50%; }
  .hero-scrim {
    background:
      linear-gradient(180deg, var(--bg) 0, transparent 14%, transparent 72%, var(--bg) 100%),
      linear-gradient(90deg, var(--bg) 0, transparent 6%, transparent 94%, var(--bg) 100%);
  }
  .hero-content { width: 100%; margin: 0; }
}
@media (max-width: 480px) {
  .cta .btn { flex: 1 1 100%; }
}

/* ---------- platforms ---------- */
.defs { position: absolute; }
.p-yt { --c: #ff3d3d; } .p-ig { --c: #e1306c; } .p-tt { --c: #25f4ee; }
.p-fb { --c: #1877f2; } .p-x { --c: #8b98a5; } .p-dm { --c: #3d8bff; }
.platforms { padding: 8px var(--gutter) 0; }
.platforms ul {
  max-width: var(--measure); margin: 0 auto; padding: 0; list-style: none;
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;
}
.platforms li {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: var(--r-full);
  background: var(--surface-low); border: 1px solid var(--outline-variant);
  font-weight: 600; font-size: 14px;
}
.platforms li::before {
  content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--c);
  box-shadow: 0 0 10px var(--c);
}

/* ---------- sections ---------- */
.section { max-width: var(--measure); margin: 0 auto; padding: 88px var(--gutter) 0; }
.section h2 {
  margin: 0 0 28px; font-size: clamp(1.6rem, 3.2vw, 2.3rem); line-height: 1.12; letter-spacing: -.025em;
  font-weight: 800; text-wrap: balance;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 14px; }
.card {
  background: var(--surface-low); border: 1px solid color-mix(in srgb, var(--outline-variant) 70%, transparent);
  border-radius: var(--r-xl); padding: 24px 24px 22px;
  transition: transform .4s var(--ease-spring), background-color .25s, border-color .25s;
}
.card h3 { margin: 0 0 8px; font-size: 1.12rem; line-height: 1.3; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--on-variant); }
@media (hover: hover) and (pointer: fine) {
  .grid .card:hover { transform: translateY(-3px); background: var(--surface); border-color: var(--outline-variant); }
}

.shots picture img {
  width: 100%; border-radius: var(--r-xl);
  background: #000; box-shadow: 0 30px 80px -30px color-mix(in srgb, var(--accent) 45%, transparent);
}

.steps { list-style: none; margin: 0 0 14px; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 14px; }
.steps .num {
  display: inline-grid; place-items: center; width: 40px; height: 40px; margin-bottom: 14px;
  border-radius: 14px; background: var(--primary-container); color: var(--on-primary-container);
  font-weight: 800;
}
.verify dl { display: grid; grid-template-columns: max-content 1fr; gap: 10px 20px; margin: 14px 0; }
.verify dt { color: var(--on-variant); font-size: 14px; }
.verify dd { margin: 0; color: var(--on-bg); }
.verify .small { font-size: 14px; }
@media (max-width: 640px) {
  .verify dl { grid-template-columns: 1fr; gap: 4px; }
  .verify dd { margin-bottom: 10px; }
}
.note { margin: 20px 4px 0; color: var(--on-variant); font-size: 15px; }

/* ---------- support ---------- */
.support {
  position: relative; overflow: hidden; isolation: isolate;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px 40px;
  padding: clamp(24px, 4vw, 40px); border-radius: var(--r-xl);
  background:
    radial-gradient(120% 140% at 0% 0%, color-mix(in srgb, var(--primary-container) 55%, transparent), transparent 60%),
    radial-gradient(90% 120% at 100% 100%, color-mix(in srgb, #ffc439 10%, transparent), transparent 60%),
    var(--surface-low);
  border: 1px solid color-mix(in srgb, var(--primary) 22%, transparent);
}
.support-text { flex: 1 1 320px; }
.support-text h2 { margin-bottom: 10px; }
.support-text p { margin: 0; color: var(--on-variant); max-width: 52ch; }
.support-actions { display: flex; flex-wrap: wrap; gap: 12px; flex: 0 1 auto; }
.btn.paypal {
  background: #ffc439; color: #111;
  box-shadow: 0 8px 26px -10px rgba(255, 196, 57, .55);
}
.btn.paypal svg { width: 20px; height: 20px; color: #003087; }
.btn.paypal:hover { background: #ffd05c; transform: translateY(-2px); box-shadow: 0 12px 32px -10px rgba(255, 196, 57, .7); }
.btn.review {
  background: transparent; color: var(--on-bg);
  border: 1px solid var(--outline);
}
.btn.review:hover { background: color-mix(in srgb, var(--on-bg) 8%, transparent); border-color: var(--on-variant); transform: translateY(-2px); }
.stars { display: inline-flex; gap: 1px; color: #fbbc04; }
.stars svg { width: 16px; height: 16px; transition: transform .35s var(--ease-spring); }
@media (hover: hover) {
  .btn.review:hover .stars svg { transform: translateY(-2px) scale(1.12); }
  .btn.review:hover .stars svg:nth-child(2) { transition-delay: .03s; }
  .btn.review:hover .stars svg:nth-child(3) { transition-delay: .06s; }
  .btn.review:hover .stars svg:nth-child(4) { transition-delay: .09s; }
  .btn.review:hover .stars svg:nth-child(5) { transition-delay: .12s; }
}
@media (max-width: 480px) { .support-actions .btn { flex: 1 1 100%; } }

.legal {
  margin-top: 88px; padding-top: 0;
}
.legal h2 { font-size: 1.25rem; margin-bottom: 10px; }
.legal p { margin: 0; max-width: 70ch; color: var(--on-variant); }

/* ---------- footer ---------- */
.foot {
  max-width: var(--measure); margin: 72px auto 0; padding: 28px var(--gutter) calc(env(safe-area-inset-bottom) + 32px);
  border-top: 1px solid var(--outline-variant); color: var(--on-variant); font-size: 14px;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px;
}
.foot p { margin: 0; }
.foot-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.foot a { color: var(--on-variant); }
.foot a:hover { color: var(--primary); }

/* ---------- motion ---------- */
@keyframes rise { from { opacity: 0; transform: translateY(18px); } }
@keyframes hero-in { from { opacity: 0; transform: scale(1.06); } }
.reveal { opacity: 0; transform: translateY(24px); }
.reveal.in { opacity: 1; transform: none; transition: opacity .7s var(--ease-emph), transform .8s var(--ease-emph); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}