/*
 * qrn — сайт приложения.
 *
 * Палитра и радиусы взяты из темы приложения (lib/app/theme.dart), чтобы
 * страница и приложение выглядели одним продуктом: тот же синий #2077FF,
 * те же светло-синие подложки подсветки, те же 12–16 px скругления.
 * Тёмная тема повторяет тёмную схему приложения.
 */

:root {
  --blue: #2077ff;
  --on-blue: #ffffff;
  --blue-container: #d6e3ff;
  --on-blue-container: #002d6e;

  --surface: #ffffff;
  --surface-low: #f6f6f6;
  --surface-mid: #f1f1f1;
  --on-surface: #1c1b1f;
  --on-surface-variant: #4a4a4a;
  --outline: #c4c4c4;
  --outline-soft: #e7e7e7;

  --inverse-surface: #1c1b1f;
  --on-inverse-surface: #f2f2f2;

  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 20px;

  --wrap: 1120px;
  --gutter: 24px;

  --font: "Fira Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-ar: "Scheherazade New", "Amiri", "Traditional Arabic", serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --blue: #a7c8ff;
    --on-blue: #003c9b;
    --blue-container: #0057d2;
    --on-blue-container: #d6e3ff;

    --surface: #121212;
    --surface-low: #1d1d1d;
    --surface-mid: #222222;
    --on-surface: #e2e2e2;
    --on-surface-variant: #c4c4c4;
    --outline: #555555;
    --outline-soft: #2a2a2a;

    --inverse-surface: #e2e2e2;
    --on-inverse-surface: #121212;
  }
}

@font-face {
  font-family: "Scheherazade New";
  src: url("/assets/fonts/ScheherazadeNew-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--surface);
  color: var(--on-surface);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

p { margin: 0; }

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

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

.icon { flex: none; }
.icon--tiny { color: var(--blue); }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.wrap--narrow { max-width: 720px; }
.center { text-align: center; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 10px 16px;
  background: var(--blue);
  color: var(--on-blue);
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 20;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Шапка ───────────────────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid var(--outline-soft);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.03em;
}
.brand:hover { text-decoration: none; }
.brand__icon { border-radius: 9px; }

.site-nav {
  display: flex;
  gap: 22px;
  margin-left: auto;
  font-size: 15px;
}
.site-nav a { color: var(--on-surface-variant); }
.site-nav a:hover { color: var(--on-surface); text-decoration: none; }

.lang-switch {
  display: flex;
  gap: 2px;
  padding: 3px;
  background: var(--surface-low);
  border-radius: 999px;
}

.lang-switch__item {
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--on-surface-variant);
}
.lang-switch__item:hover { text-decoration: none; color: var(--on-surface); }
.lang-switch__item.is-active {
  background: var(--surface);
  color: var(--on-surface);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}

@media (max-width: 760px) {
  .site-nav { display: none; }
  .lang-switch { margin-left: auto; }
}

/* ── Первый экран ────────────────────────────────────────────────────── */

.hero { padding: clamp(36px, 5.5vw, 68px) 0 clamp(32px, 5vw, 64px); }

.hero__inner {
  display: grid;
  gap: clamp(36px, 6vw, 64px);
  align-items: center;
}

@media (min-width: 900px) {
  .hero__inner { grid-template-columns: 1.05fr 0.95fr; }
}

.badge {
  display: inline-block;
  padding: 6px 14px;
  margin-bottom: 20px;
  background: var(--blue-container);
  color: var(--on-blue-container);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
}

.hero__title {
  font-size: clamp(2.1rem, 5.2vw, 3.4rem);
  margin-bottom: 18px;
}

.hero__lede {
  max-width: 34em;
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--on-surface-variant);
  margin-bottom: 30px;
}

.hero__soon {
  margin-top: 14px;
  font-size: 14px;
  color: var(--on-surface-variant);
}

.hero__note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-size: 14px;
  color: var(--on-surface-variant);
}

.hero__caption {
  margin-top: 18px;
  text-align: center;
  font-size: 13px;
  color: var(--on-surface-variant);
}

/* ── Кнопки сторов ───────────────────────────────────────────────────── */

.store-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: var(--radius);
  background: var(--inverse-surface);
  color: var(--on-inverse-surface);
  font-size: 16px;
  font-weight: 500;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.store-btn:hover { text-decoration: none; transform: translateY(-1px); }

.store-btn--soon {
  background: transparent;
  color: var(--on-surface-variant);
  border: 1px solid var(--outline);
  cursor: default;
}
.store-btn--soon:hover { transform: none; }

.store-btn__text { display: inline-flex; align-items: baseline; gap: 7px; }

.store-btn__soon {
  font-size: 12px;
  font-style: normal;
  opacity: 0.75;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border: none;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}

.btn--primary {
  background: var(--blue);
  color: var(--on-blue);
}
.btn--primary:hover { filter: brightness(1.05); }
.btn[disabled] { opacity: 0.6; cursor: default; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ── Телефон с живой подсветкой ──────────────────────────────────────── */

.phone {
  width: min(320px, 82vw);
  margin: 0 auto;
  padding: 10px;
  background: #1c1b1f;
  border-radius: 46px;
  box-shadow: 0 30px 60px -30px rgba(16, 24, 40, 0.55),
    0 2px 6px rgba(16, 24, 40, 0.12);
}

@media (prefers-color-scheme: dark) {
  .phone {
    background: #2f2f2f;
    box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.9);
  }
}

.phone__screen {
  position: relative;
  background: var(--surface);
  border-radius: 37px;
  overflow: hidden;
  aspect-ratio: 9 / 18;
  display: flex;
  flex-direction: column;
}

.phone__bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 34px;
  flex: none;
}

.phone__time {
  position: absolute;
  left: 22px;
  font-size: 12px;
  font-weight: 600;
}

.phone__island {
  width: 74px;
  height: 20px;
  background: #000;
  border-radius: 999px;
}

.app {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 6px 18px 14px;
  min-height: 0;
}

.app__top {
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  padding-bottom: 10px;
}

.app__chips {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: auto;
}

.chip {
  padding: 4px 12px;
  background: var(--blue-container);
  color: var(--on-blue-container);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.ayah {
  font-family: var(--font-ar);
  font-size: 27px;
  line-height: 2.05;
  text-align: center;
  margin: 20px 0 14px;
  direction: rtl;
}

.ayah__word {
  padding: 2px 5px;
  border-radius: 8px;
  transition: background-color 0.12s linear, color 0.12s linear;
}

.ayah__word.is-active {
  background: var(--blue-container);
  color: var(--on-blue-container);
}

.ayah__translit {
  text-align: center;
  font-size: 13px;
  font-style: italic;
  font-weight: 500;
  margin-bottom: 6px;
}

.ayah__meaning {
  text-align: center;
  font-size: 12.5px;
  color: var(--on-surface-variant);
  margin-bottom: auto;
}

.player {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding: 10px 12px;
  background: var(--surface-low);
  border-radius: var(--radius-lg);
}

.player__progress {
  flex: 1;
  height: 4px;
  background: var(--outline-soft);
  border-radius: 999px;
  overflow: hidden;
}

.player__fill {
  display: block;
  width: 0;
  height: 100%;
  background: var(--blue);
  border-radius: 999px;
}

.player__btn {
  flex: none;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 16px;
  background: var(--blue-container);
  color: var(--on-blue-container);
  cursor: pointer;
}

.player__play { display: none; }
.phone.is-paused .player__pause { display: none; }
.phone.is-paused .player__play { display: inline; }

/* ── Секции ──────────────────────────────────────────────────────────── */

.section { padding: clamp(48px, 7vw, 88px) 0; }

.section--quiet {
  background: var(--surface-low);
  border-block: 1px solid var(--outline-soft);
}

.kicker {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
}

.section__title {
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  margin-bottom: 14px;
}

.section__lede {
  max-width: 46em;
  color: var(--on-surface-variant);
  margin-bottom: 8px;
}

/* ── Возможности ─────────────────────────────────────────────────────── */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap: 16px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.feature {
  padding: 24px;
  background: var(--surface-low);
  border-radius: var(--radius-lg);
}

.feature__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border-radius: var(--radius-sm);
  background: var(--blue-container);
  color: var(--on-blue-container);
}

.feature__title { font-size: 17px; margin-bottom: 7px; }

.feature__text {
  font-size: 15px;
  color: var(--on-surface-variant);
}

/* ── Без лишнего ─────────────────────────────────────────────────────── */

.quiet {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

@media (min-width: 860px) {
  .quiet { grid-template-columns: 1.1fr 0.9fr; }
}

.quiet__note {
  margin-top: 16px;
  font-size: 15px;
  color: var(--on-surface-variant);
}

.quiet__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.quiet__list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  background: var(--surface);
  border: 1px solid var(--outline-soft);
  border-radius: var(--radius);
  font-weight: 500;
}

.icon--check { color: var(--blue); }

/* ── Экраны ──────────────────────────────────────────────────────────── */

.screens {
  display: flex;
  gap: 20px;
  margin: 34px 0 0;
  padding: 4px calc(50vw - var(--wrap) / 2 + var(--gutter)) 20px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

@media (max-width: 1168px) {
  .screens { padding-inline: var(--gutter); }
}

.screens__item {
  flex: none;
  width: 232px;
  scroll-snap-align: center;
}

.screens__item img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--outline-soft);
  background: var(--surface-low);
}

.screens__caption {
  margin-top: 12px;
  font-size: 14px;
  color: var(--on-surface-variant);
  text-align: center;
}

/* ── Вопросы ─────────────────────────────────────────────────────────── */

.faq { margin-top: 28px; }

.faq__item { border-bottom: 1px solid var(--outline-soft); }

.faq__q {
  position: relative;
  padding: 18px 40px 18px 0;
  font-size: 17px;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
}
.faq__q::-webkit-details-marker { display: none; }

.faq__q::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -6px;
  border-right: 2px solid var(--on-surface-variant);
  border-bottom: 2px solid var(--on-surface-variant);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.faq__item[open] .faq__q::after {
  transform: rotate(-135deg);
  margin-top: -2px;
}

.faq__a {
  padding: 0 40px 20px 0;
  color: var(--on-surface-variant);
}

/* ── Форма ───────────────────────────────────────────────────────────── */

.section--contact { background: var(--surface-low); border-top: 1px solid var(--outline-soft); }

.form {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.form__trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__field { display: grid; gap: 7px; }

.form__label {
  font-size: 14px;
  font-weight: 500;
  color: var(--on-surface-variant);
}

.form textarea,
.form input[type="text"] {
  width: 100%;
  padding: 13px 15px;
  font: inherit;
  font-size: 16px;
  color: var(--on-surface);
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  resize: vertical;
}

.form textarea:focus,
.form input[type="text"]:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 22%, transparent);
}

.form__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.form__status { font-size: 15px; }
.form__status.is-ok { color: var(--blue); }
.form__status.is-error { color: #b3261e; }

@media (prefers-color-scheme: dark) {
  .form__status.is-error { color: #f2b8b5; }
}

.form__privacy {
  font-size: 13px;
  color: var(--on-surface-variant);
}

/* ── Документ (политика) ─────────────────────────────────────────────── */

.doc__title { font-size: clamp(1.7rem, 3.6vw, 2.4rem); margin-bottom: 10px; }

.doc__meta {
  color: var(--on-surface-variant);
  font-size: 14px;
  margin-bottom: 32px;
}

.doc h2 {
  font-size: 1.2rem;
  margin: 32px 0 10px;
}

.doc p { margin-bottom: 14px; }

.doc .lead {
  font-size: 1.08rem;
  padding: 18px 20px;
  background: var(--surface-low);
  border-radius: var(--radius);
}

.doc ul {
  margin: 0 0 16px;
  padding-left: 22px;
  color: var(--on-surface-variant);
}

.doc li { margin-bottom: 6px; }

.doc code {
  padding: 2px 6px;
  background: var(--surface-mid);
  border-radius: 6px;
  font-size: 0.9em;
}

.doc__back { margin-top: 40px; }

/* ── Подвал ──────────────────────────────────────────────────────────── */

.site-footer {
  padding: 48px 0 56px;
  border-top: 1px solid var(--outline-soft);
}

.site-footer__inner {
  display: grid;
  gap: 18px;
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-footer__brand img { border-radius: 10px; }

.site-footer__name { font-weight: 600; letter-spacing: -0.03em; }

.site-footer__tagline,
.site-footer__note,
.site-footer__copy {
  font-size: 14px;
  color: var(--on-surface-variant);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 15px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}