/* ============================================================
   UV Cam – Landing Page
   Theme: deep black + UV purple (#8900F9) + gold accent (#FFD700).
   Colors mirror the app (app/lib/main.dart).
   ============================================================ */

:root {
  --bg: #050108;
  --bg-alt: #0c0614;
  --card: #120a1f;
  --card-2: #170d28;
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(177, 75, 255, 0.28);
  --text: #f3eefb;
  --muted: #9b8fb3;
  --uv: #8900f9;
  --uv-soft: #b14bff;
  --uv-glow: rgba(137, 0, 249, 0.5);
  --gold: #ffd700;
  --green: #69f0ae;
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1140px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 22px; }
.container--narrow { max-width: 760px; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.accent, .brand__accent { color: var(--uv-soft); }

/* --- NAV --- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(5, 1, 8, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 9px; font-size: 20px; font-weight: 800; letter-spacing: -0.01em; }
.brand__icon { border-radius: 8px; }
.nav__links { display: flex; align-items: center; gap: 22px; font-size: 15px; color: var(--muted); }
.nav__links > a:hover { color: var(--text); }

.lang { display: flex; gap: 4px; background: rgba(255,255,255,0.06); padding: 3px; border-radius: 10px; }
.lang__btn {
  border: 0; background: transparent; cursor: pointer; line-height: 0;
  padding: 5px 7px; border-radius: 7px; filter: grayscale(0.55); opacity: 0.65; transition: all .15s ease;
}
.lang__btn svg { display: block; border-radius: 2px; }
.lang__btn:hover { opacity: 1; }
.lang__btn--active { background: rgba(255,255,255,0.16); filter: none; opacity: 1; box-shadow: 0 0 0 1px rgba(255,255,255,0.12) inset; }

.btn { display: inline-block; padding: 10px 20px; border-radius: 11px; font-weight: 700; transition: transform .15s ease, box-shadow .2s ease; }
.btn--primary { background: linear-gradient(135deg, var(--uv), var(--uv-soft)); color: #fff; box-shadow: 0 6px 20px var(--uv-glow); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px var(--uv-glow); }

/* --- HERO --- */
.hero { position: relative; padding: 80px 0 60px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -30% -10% auto -10%; height: 70%;
  background: radial-gradient(60% 60% at 70% 20%, rgba(137,0,249,0.30), transparent 70%);
  z-index: -1; filter: blur(10px);
}
.hero__inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 50px; align-items: center; }
.pill {
  display: inline-block; font-size: 13px; font-weight: 700; color: var(--uv-soft);
  background: rgba(137,0,249,0.14); border: 1px solid rgba(137,0,249,0.4);
  padding: 6px 13px; border-radius: 999px; margin-bottom: 22px;
}
.pill--gold { background: var(--gold); color: #1a1505; border: 0; letter-spacing: 0.12em; }
.hero h1 { font-size: clamp(36px, 5.2vw, 60px); line-height: 1.04; letter-spacing: -0.03em; font-weight: 800; }
.lead { color: var(--muted); font-size: 19px; margin: 22px 0 28px; max-width: 33em; }

/* Store badges */
.store-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.store-row--center { justify-content: center; margin-top: 30px; }
.store-badge { display: inline-block; transition: transform .15s ease, filter .2s ease; }
.store-badge img { height: 52px; width: auto; }
.store-badge:hover { transform: translateY(-2px); filter: brightness(1.12); }
.hero__rating { color: var(--muted); font-size: 13px; margin-top: 16px; }
.hero__rating .gold { color: var(--gold); }

/* Phone */
.hero__visual { position: relative; display: flex; justify-content: center; }
.hero__glow { position: absolute; inset: -12% -18%; z-index: -1;
  background: radial-gradient(closest-side, rgba(137,0,249,0.35), transparent 70%); filter: blur(26px); }
.phone {
  width: 264px; border-radius: 40px; padding: 11px;
  background: linear-gradient(160deg, #2a1840, #0c0614);
  border: 1px solid rgba(177,75,255,0.28); box-shadow: var(--shadow), 0 0 80px rgba(137,0,249,0.25);
}
.phone--hero { width: 296px; }
.phone__shot { width: 100%; border-radius: 30px; display: block; background: #000; }

/* --- TRUST STRIP --- */
.trust { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-alt); }
.trust__inner { display: flex; flex-wrap: wrap; gap: 16px 32px; justify-content: center; padding: 18px 22px; }
.trust__item { color: var(--muted); font-size: 14px; font-weight: 500; }

/* --- SECTIONS --- */
.section { padding: 84px 0; }
.section--alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section__title { font-size: clamp(27px, 3.6vw, 40px); font-weight: 800; text-align: center; letter-spacing: -0.02em; }
.section__sub { color: var(--muted); text-align: center; max-width: 40em; margin: 12px auto 0; font-size: 17px; }
.section .grid, .section .steps, .section .showcase, .section .filtersgrid, .section .faq { margin-top: 48px; }

/* Features */
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.feature {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; transition: transform .15s ease, border-color .2s ease;
}
.feature:hover { transform: translateY(-4px); border-color: var(--line-2); }
.feature__icon { font-size: 28px; margin-bottom: 12px; }
.feature h3 { font-size: 17px; margin-bottom: 6px; }
.feature p { color: var(--muted); font-size: 14px; }

/* Filters showcase (real result photos) */
.filtersgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.filtercard { border-radius: var(--radius); overflow: hidden; position: relative; aspect-ratio: 1;
  border: 1px solid var(--line); background: #000; }
.filtercard img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.filtercard:hover img { transform: scale(1.06); }
.filtercard__label { position: absolute; left: 12px; bottom: 12px; right: 12px;
  display: flex; align-items: center; justify-content: space-between; }
.filtercard__name { font-size: 14px; font-weight: 800; letter-spacing: .04em;
  background: rgba(0,0,0,0.5); padding: 5px 10px; border-radius: 8px; backdrop-filter: blur(4px); }
.filtercard__cat { font-size: 10px; font-weight: 700; color: var(--gold);
  background: rgba(0,0,0,0.5); padding: 4px 8px; border-radius: 7px; backdrop-filter: blur(4px); }
.filters-note { text-align: center; color: var(--muted); font-size: 13px; margin-top: 22px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; position: relative; }
.step__num {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--uv), var(--uv-soft)); color: #fff;
  font-weight: 800; font-size: 18px; margin-bottom: 16px;
}
.step h3 { font-size: 19px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 15px; }

/* Showcase */
.showcase { display: flex; gap: 30px; justify-content: center; flex-wrap: wrap; align-items: flex-start; }
.showcase__item { text-align: center; }
.showcase__item figcaption { color: var(--muted); font-size: 14px; margin-top: 16px; }

/* Fact card */
.fact-card {
  display: flex; align-items: center; gap: 18px;
  background: linear-gradient(135deg, rgba(137,0,249,0.14), rgba(255,255,255,0.03));
  border: 1px solid var(--line-2); border-radius: var(--radius); padding: 24px 26px;
}
.fact-card__icon { font-size: 32px; }
.fact-card__body { flex: 1; }
.fact-card__label { color: var(--uv-soft); font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.fact-card__text { color: var(--text); font-size: 16px; }
.fact-card__next {
  flex-shrink: 0; border: 1px solid var(--line-2); background: rgba(177,75,255,0.08); color: var(--text);
  border-radius: 10px; padding: 9px 14px; font-size: 13px; cursor: pointer; transition: background .15s ease;
}
.fact-card__next:hover { background: rgba(177,75,255,0.2); }

/* Pro */
.section--pro { padding: 84px 0; background:
  radial-gradient(900px 420px at 80% 0%, rgba(137,0,249,0.16), transparent 60%), var(--bg); }
.pro__inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.pro__list { list-style: none; margin: 22px 0 28px; display: grid; gap: 12px; }
.pro__list li { display: flex; align-items: center; gap: 12px; font-size: 17px; }
.check { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%;
  background: rgba(177,75,255,0.18); color: var(--uv-soft); font-weight: 800; font-size: 14px; flex-shrink: 0; }
.pro__visual { display: flex; justify-content: center; }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq__item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.faq__item summary {
  cursor: pointer; padding: 18px 22px; font-weight: 600; font-size: 17px; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: "+"; color: var(--uv-soft); font-size: 22px; font-weight: 400; transition: transform .2s ease; }
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__a { padding: 0 22px 20px; color: var(--muted); font-size: 15px; }

/* CTA band */
.cta-band { padding: 84px 0; text-align: center; background:
  radial-gradient(700px 400px at 50% 0%, rgba(137,0,249,0.22), transparent 65%), var(--bg-alt);
  border-top: 1px solid var(--line); }
.cta-band__icon { margin: 0 auto 18px; border-radius: 18px; box-shadow: 0 0 50px rgba(137,0,249,0.4); }
.cta-band h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; letter-spacing: -0.02em; }
.cta-band p { color: var(--muted); font-size: 18px; margin-top: 10px; }

/* Footer */
.footer { background: #030005; border-top: 1px solid var(--line); padding: 44px 0 26px; }
.footer__inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; flex-wrap: wrap; }
.footer__brand .brand { font-size: 18px; }
.footer__brand p { color: var(--muted); font-size: 14px; margin-top: 8px; }
.footer__links { display: flex; flex-direction: column; gap: 9px; font-size: 14px; color: var(--muted); }
.footer__links a:hover { color: var(--text); }
.footer__legal { color: #6b6178; font-size: 12px; margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line); }

/* --- RESPONSIVE --- */
@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__copy .lead { margin-left: auto; margin-right: auto; }
  .hero .store-row { margin-left: auto; margin-right: auto; }
  .hero__visual { order: -1; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .filtersgrid { grid-template-columns: repeat(2, 1fr); }
  .pro__inner { grid-template-columns: 1fr; }
  .pro__visual { order: -1; }
  .pro__copy .section__title, .pro__copy .section__sub { text-align: center !important; }
  .pro__list { max-width: 380px; margin-left: auto; margin-right: auto; }
  .pro__copy .store-row { justify-content: center; }
}
@media (max-width: 720px) {
  .nav__links > a:not(.btn) { display: none; }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .grid { grid-template-columns: 1fr; }
  .filtersgrid { grid-template-columns: 1fr 1fr; }
  .store-row { justify-content: center; }
  .store-badge img { height: 48px; }
  .fact-card { flex-direction: column; text-align: center; }
}