/* ============================================================
   Quran Radio — shared site styles
   Theme tokens grounded in the app's Material 3 light & dark schemes.
   ============================================================ */

/* App fonts, self-hosted as subset woff2 (ttf fallback). display:optional avoids the FOUT swap. */
@font-face { font-family: "Lobster";   src: url("fonts/lobster_regular.woff2") format("woff2"),   url("fonts/lobster_regular.ttf") format("truetype");   font-weight: 400; font-display: optional; }
@font-face { font-family: "Marcellus"; src: url("fonts/marcellus_regular.woff2") format("woff2"), url("fonts/marcellus_regular.ttf") format("truetype"); font-weight: 400; font-display: optional; }
@font-face { font-family: "Amiri";     src: url("fonts/amiri_regular.woff2") format("woff2"),     url("fonts/amiri_regular.ttf") format("truetype");     font-weight: 400; font-display: swap; }
@font-face { font-family: "Amiri";     src: url("fonts/amiri_bold.woff2") format("woff2"),        url("fonts/amiri_bold.ttf") format("truetype");        font-weight: 700; font-display: swap; }
@font-face { font-family: "Reem Kufi"; src: url("fonts/reem_kufi_regular.woff2") format("woff2"), url("fonts/reem_kufi_regular.ttf") format("truetype"); font-weight: 400 600; font-display: swap; }

/* ---------- Theme tokens: LIGHT is the default ---------- */
:root {
  --bg: #EAF3EC;            /* light app background family */
  --surface: #FFFFFF;
  --surface-2: #DFEEE2;     /* app backgroundLight */
  --fg: #17251C;            /* app onBackgroundLight */
  --muted: #4E6E5B;         /* app secondaryLight */
  --primary: #3E6650;       /* app primaryLight */
  --accent-text: #355B45;   /* readable green for headings/links on light */
  --line: rgba(23, 37, 28, 0.12);
  --nav-bg: rgba(234, 243, 236, 0.72);
  --glow: rgba(127, 224, 60, 0.10);
  --girih-opacity: 0.07;
  --bezel: #0c1310;        /* device frame */
  --screen: #0a100d;       /* device screen */

  --brand: #7FE03C;         /* constant — the logo lime */
  --on-brand: #0E1512;      /* text on lime buttons */

  --font-display: "Marcellus", Georgia, serif;
  --font-wordmark: "Lobster", cursive;
  --font-ar: "Amiri", serif;
  --font-ar-display: "Reem Kufi", sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --maxw: 1120px;

  color-scheme: light;
}

/* Arabic typography: use the app's Arabic fonts (Reem Kufi for display, Amiri for body) */
html[lang="ar"] {
  --font-display: "Reem Kufi", "Amiri", serif;
  --font-wordmark: "Reem Kufi", "Amiri", serif;
  --font-body: "Amiri", "Segoe UI", serif;
}
html[lang="ar"] body { line-height: 1.8; }
html[lang="ar"] .eyebrow { letter-spacing: 0; }

/* Dark tokens, shared by "follow system" and explicit dark */
:root[data-theme="dark"],
:root:not([data-theme="light"]) {
  /* placeholder so the grouped selector below can override cleanly */
}

/* Follow the OS when the user hasn't explicitly chosen light */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0E1512;
    --surface: #1A2520;     /* app surfaceDark */
    --surface-2: #14201B;
    --fg: #E7F1EA;          /* app onBackgroundDark family */
    --muted: #9DB3A6;
    --primary: #A8C9B2;     /* app primaryDark */
    --accent-text: #7FE03C;
    --line: rgba(168, 201, 178, 0.14);
    --nav-bg: rgba(14, 21, 18, 0.72);
    --glow: rgba(127, 224, 60, 0.16);
    --girih-opacity: 0.06;
    --bezel: #050806;
    --screen: #040605;
    color-scheme: dark;
  }
}

/* Explicit dark choice always wins */
:root[data-theme="dark"] {
  --bg: #0E1512;
  --surface: #1A2520;
  --surface-2: #14201B;
  --fg: #E7F1EA;
  --muted: #9DB3A6;
  --primary: #A8C9B2;
  --accent-text: #7FE03C;
  --line: rgba(168, 201, 178, 0.14);
  --nav-bg: rgba(14, 21, 18, 0.72);
  --glow: rgba(127, 224, 60, 0.16);
  color-scheme: dark;
}

/* ---------- Base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }
.accent { color: var(--accent-text); }
h1, h2 { text-wrap: balance; }

/* Accessibility: visible focus + skip link */
:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 3px; border-radius: 4px; }
.skip-link {
  position: absolute; inset-inline-start: 1rem; top: -3rem; z-index: 100;
  background: var(--brand); color: var(--on-brand); font-weight: 600;
  padding: 0.6rem 1rem; border-radius: 0 0 12px 12px; text-decoration: none;
  transition: top .18s ease;
}
.skip-link:focus { top: 0; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  background: var(--nav-bg);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0.7rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.nav__right { display: flex; align-items: center; gap: 0.6rem; }
.brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.brand .ico { width: 34px; height: 34px; border-radius: 50%; background: #000; color: var(--brand);
  display: flex; align-items: center; justify-content: center; flex: none; overflow: hidden; }
.brand .ico svg { width: 108%; height: 108%; }
.brand .name { font-family: var(--font-wordmark); font-size: 1.25rem; color: var(--accent-text); line-height: 1; }
.nav__cta {
  text-decoration: none; font-size: 0.92rem; font-weight: 600;
  color: var(--on-brand); background: var(--brand);
  padding: 0.5rem 1.05rem; border-radius: 999px;
  transition: transform .15s ease, filter .15s ease;
}
.nav__cta:hover { filter: brightness(1.07); transform: translateY(-1px); }

/* Theme toggle */
.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%;
  background: transparent; border: 1px solid var(--line); color: var(--fg);
  cursor: pointer; transition: border-color .15s ease, color .15s ease;
}
.theme-toggle:hover { border-color: var(--accent-text); color: var(--accent-text); }
.theme-toggle svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; display: none; }
.theme-toggle[data-pref="system"] .i-system,
.theme-toggle[data-pref="light"]  .i-light,
.theme-toggle[data-pref="dark"]   .i-dark { display: block; }

/* Language switch pill (EN <-> AR) */
.lang-switch-btn {
  display: inline-flex; align-items: center; height: 38px; padding: 0 0.85rem;
  border-radius: 999px; border: 1px solid var(--line); color: var(--fg);
  text-decoration: none; font-size: 0.9rem; font-weight: 600; line-height: 1;
  transition: border-color .15s ease, color .15s ease;
}
.lang-switch-btn:hover { border-color: var(--accent-text); color: var(--accent-text); }

/* ---------- Buttons / badge ---------- */
.play-badge { display: inline-block; line-height: 0; transition: transform .15s ease; }
.play-badge:hover { transform: translateY(-2px); }
.play-badge img { height: 58px; width: auto; }

/* ---------- Hero ---------- */
.hero { position: relative; text-align: center; padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(2.5rem, 6vw, 4rem); overflow: hidden; isolation: isolate; }
/* God-rays: soft radial glow + faint drifting light beams from the top centre */
.hero::before {
  content: ""; position: absolute; inset: -30% -10% auto -10%; height: 110%; z-index: -2;
  background:
    radial-gradient(58% 52% at 50% 0%, var(--glow), transparent 72%),
    repeating-conic-gradient(from 90deg at 50% -6%,
      color-mix(in srgb, var(--brand) 7%, transparent) 0deg 3deg,
      transparent 3deg 13deg);
  -webkit-mask-image: radial-gradient(70% 75% at 50% 0%, #000 0%, transparent 78%);
  mask-image: radial-gradient(70% 75% at 50% 0%, #000 0%, transparent 78%);
  pointer-events: none; transform-origin: 50% 0%;
  animation: rays-drift 24s ease-in-out infinite alternate;
}
/* Girih: faint Islamic strapwork texture, edge-faded */
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: url("assets/girih.svg"); background-size: 132px 132px;
  opacity: var(--girih-opacity, 0.05);
  -webkit-mask-image: radial-gradient(95% 70% at 50% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(95% 70% at 50% 0%, #000 0%, transparent 72%);
  pointer-events: none;
}
@keyframes rays-drift { from { transform: rotate(-5deg) scale(1.05); } to { transform: rotate(5deg) scale(1.05); } }
@keyframes float-soft { from { transform: translateY(0); } to { transform: translateY(-8px); } }

/* Animated hero logo: app-splash "draw-on" trace + fill, then a glow that breathes forever */
.hero__logo {
  position: relative; z-index: 1;
  width: clamp(104px, 17vw, 148px); aspect-ratio: 1; border-radius: 50%;
  background: #000; margin: 0 auto clamp(1.1rem, 3vw, 1.6rem);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 32px rgba(127, 224, 60, 0.18);
}
.hero__logo svg { width: 78%; height: 78%; overflow: visible; }
/* Soft lime glow halo around the disc — ramps in, then pulses forever */
.hero__logo::after {
  content: ""; position: absolute; inset: -24%; border-radius: 50%; z-index: -1;
  background: radial-gradient(closest-side, rgba(127, 224, 60, 0.55), rgba(127, 224, 60, 0) 72%);
  filter: blur(6px); opacity: 0;
  animation: ql-glow-in 0.2s ease-out 0.45s forwards,
             ql-glow-pulse 1.1s ease-in-out 0.65s infinite alternate;
}
.hero__logo .ql-trace {
  fill: none; stroke: var(--brand); stroke-width: 10;
  stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 1; stroke-dashoffset: 1;
}
.hero__logo .ql-body   { animation: ql-trace 0.4s cubic-bezier(.4,0,.2,1) forwards,
                                    ql-trace-fade 0.12s linear 0.38s forwards; }
.hero__logo .ql-shadda { animation: ql-trace 0.32s cubic-bezier(.4,0,.2,1) 0.06s forwards,
                                    ql-trace-fade 0.12s linear 0.38s forwards; }
.hero__logo .ql-fill { color: var(--brand); opacity: 0; animation: ql-fill 0.25s cubic-bezier(.4,0,.2,1) 0.25s forwards; }
@keyframes ql-trace      { to { stroke-dashoffset: 0; } }
@keyframes ql-trace-fade { to { stroke-opacity: 0; } }
@keyframes ql-fill       { to { opacity: 1; } }
@keyframes ql-glow-in    { to { opacity: 0.55; } }
@keyframes ql-glow-pulse { from { opacity: 0.55; } to { opacity: 0.18; } }
@media (prefers-reduced-motion: reduce) {
  .hero__logo .ql-trace { display: none; }
  .hero__logo .ql-fill { opacity: 1; animation: none; }
  .hero__logo::after { opacity: 0.4; animation: none; }
}

.hero .arabic { position: relative; z-index: 1; font-family: var(--font-ar-display); color: var(--primary);
  font-size: clamp(1.4rem, 4.5vw, 2.1rem); opacity: 0.92; margin-bottom: 0.75rem; }
.hero h1 {
  position: relative; font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.6rem, 7vw, 5rem); line-height: 1.04; letter-spacing: -0.01em;
  max-width: 16ch; margin: 0 auto; color: var(--fg);
}
.hero .lede {
  position: relative; color: var(--muted); font-size: clamp(1.05rem, 2.4vw, 1.4rem);
  max-width: 40ch; margin: 1.25rem auto 2rem; line-height: 1.55;
}
.hero .cta-row { position: relative; display: flex; justify-content: center; }

/* ---------- Frames / placeholders ---------- */
/* Device frames. The bezel is the element; the "screen" is a ::before inset that a real
   <img class="frame__shot"> can later fill (position:absolute; inset matches the screen). */
.frame { position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.frame::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; z-index: 0;
  background:
    radial-gradient(120% 120% at 50% 0%, color-mix(in srgb, var(--primary) 10%, transparent), transparent 60%),
    linear-gradient(180deg, var(--surface), var(--surface-2));
}
.frame__wm { position: relative; z-index: 1; width: 30%; max-width: 110px; opacity: 0.14; color: var(--accent-text); }
.frame__wm svg { width: 100%; height: 100%; display: block; }
.frame__label {
  position: absolute; z-index: 1; bottom: 16px; left: 0; right: 0; text-align: center;
  font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); opacity: 0.75;
}
.frame__shot { position: absolute; z-index: 1; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
/* With a real screenshot, drop the placeholder screen glow: its lighter background
   otherwise leaks around the image's anti-aliased rounded corners as a thin arc. */
.frame:has(.frame__shot)::before { background: none; }
/* When a real screenshot fills a device, inset it to the screen (inside the bezel).
   Absolutely-positioned <img> ignores left/right stretch, so size it explicitly. */
.frame--phone .frame__shot { inset: 10px; border-radius: 26px; width: calc(100% - 20px); height: calc(100% - 20px); }
/* Tablet screenshot drives the frame height: in-flow image, so the bezel wraps
   it exactly — no object-fit crop and no letterbox padding on any viewport. */
.frame--tablet:has(.frame__shot) { aspect-ratio: auto; }
.frame--tablet .frame__shot { position: relative; inset: auto; display: block; width: 100%; height: auto; border-radius: 12px; }

/* Phone: thick bezel + rounded screen + speaker notch */
.frame--phone {
  aspect-ratio: 9 / 19.5; border-radius: 34px; background: var(--bezel); padding: 10px;
  box-shadow: 0 36px 80px -40px rgba(0,0,0,0.75), inset 0 0 0 1px rgba(255,255,255,0.05);
}
.frame--phone::before { inset: 10px; border-radius: 26px; }
.frame--phone::after {
  content: ""; position: absolute; z-index: 2; top: 22px; left: 50%; transform: translateX(-50%);
  width: 30%; height: 7px; border-radius: 999px; background: rgba(255,255,255,0.14);
}

/* Tablet: slim bezel (the screenshots carry their own status-bar headroom) */
.frame--tablet {
  aspect-ratio: 8 / 5; width: 100%; border-radius: 24px; background: var(--bezel); padding: 14px;
  box-shadow: 0 36px 90px -46px rgba(0,0,0,0.7), inset 0 0 0 1px rgba(255,255,255,0.05);
}
.frame--tablet::before { inset: 14px; border-radius: 12px; }

/* ---------- Phone marquee ---------- */
.marquee { padding: clamp(2rem, 5vw, 3.5rem) 0; }
.marquee__track {
  display: flex; gap: 1.1rem; overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 0.5rem 1.5rem 1.25rem; -webkit-overflow-scrolling: touch;
}
.marquee__track::-webkit-scrollbar { height: 6px; }
.marquee__track::-webkit-scrollbar-thumb { background: var(--line); border-radius: 999px; }
.marquee .frame--phone { flex: 0 0 auto; width: clamp(180px, 42vw, 232px); scroll-snap-align: center; }

/* ---------- Sections / features ---------- */
.section { padding: clamp(3rem, 8vw, 6rem) 0; }
.section--alt { background: var(--surface-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.eyebrow { color: var(--accent-text); font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase; font-weight: 600; margin-bottom: 0.9rem; }
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.feature + .feature { margin-top: clamp(3rem, 8vw, 6rem); }
.feature.reverse .feature__media { order: -1; }
.feature__text h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.8rem, 4vw, 2.9rem); line-height: 1.1; letter-spacing: -0.01em; }
.feature__text p { color: var(--muted); font-size: clamp(1rem, 2vw, 1.2rem); margin-top: 1rem; max-width: 42ch; }
.feature__media .frame--phone { width: min(280px, 70%); margin: 0 auto; }

/* ---------- Tablet showcase ---------- */
.showcase { text-align: center; }
.showcase h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.9rem, 4.5vw, 3rem); letter-spacing: -0.01em; }
.showcase p { color: var(--muted); max-width: 46ch; margin: 1rem auto 2.5rem; font-size: clamp(1rem, 2vw, 1.2rem); }
.showcase .frame--tablet { max-width: 920px; margin: 0 auto; }

/* ---------- Feature grid ---------- */
.grid-head { text-align: center; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.grid-head h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.9rem, 4.5vw, 3rem); letter-spacing: -0.01em; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.tile {
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
  padding: 1.6rem 1.5rem; transition: transform .18s ease, border-color .18s ease;
}
.tile:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent-text) 40%, transparent); }
.tile .ti { width: 40px; height: 40px; color: var(--accent-text); margin-bottom: 1rem; }
.tile .ti svg { width: 100%; height: 100%; stroke: currentColor; fill: none; stroke-width: 1.7; }
.tile h3 { font-size: 1.12rem; font-weight: 600; }
.tile p { color: var(--muted); font-size: 0.96rem; margin-top: 0.4rem; }

/* ---------- Privacy callout ---------- */
.privacy { text-align: center; }
.privacy .badge-pill { display: inline-block; font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent-text); border: 1px solid color-mix(in srgb, var(--accent-text) 45%, transparent); border-radius: 999px; padding: 0.4rem 1rem; margin-bottom: 1.5rem; }
.privacy h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.9rem, 5vw, 3.2rem); letter-spacing: -0.01em; max-width: 18ch; margin: 0 auto; }
.privacy p { color: var(--muted); max-width: 44ch; margin: 1.1rem auto 1.6rem; font-size: clamp(1rem, 2vw, 1.2rem); }
.privacy a.text-link { color: var(--accent-text); text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--accent-text) 45%, transparent); padding-bottom: 2px; }
.privacy a.text-link:hover { border-color: var(--accent-text); }

/* ---------- Download CTA ---------- */
.download { text-align: center; background: var(--surface-2); border-top: 1px solid var(--line); }
.download .ico-lg { width: clamp(96px,20vw,128px); height: clamp(96px,20vw,128px); border-radius: 50%; background: #000; color: var(--brand);
  margin: 0 auto 1.75rem; display: flex; align-items: center; justify-content: center; box-shadow: 0 16px 40px rgba(0,0,0,0.4);
  animation: float-soft 4.5s ease-in-out infinite alternate; }
.download .ico-lg svg { width: 58%; height: 58%; }
.download h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: -0.01em; }
.download p { color: var(--muted); margin: 1rem auto 2rem; max-width: 40ch; font-size: clamp(1rem,2vw,1.2rem); }

/* ---------- Footer ---------- */
footer.site { border-top: 1px solid var(--line); padding: 2.5rem 0; color: var(--muted); font-size: 0.9rem; }
footer.site .row { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; align-items: center; justify-content: space-between; }
footer.site a { color: var(--muted); text-decoration: none; }
footer.site a:hover { color: var(--fg); }
footer.site .links { display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: center; }

/* ---------- Policy (privacy page) ---------- */
.policy { max-width: 52rem; margin: 0 auto; padding: clamp(2rem, 5vw, 3.5rem) 1.25rem; }
.policy h1 { font-family: var(--font-display); font-weight: 400; font-size: clamp(2rem, 5.5vw, 3rem); letter-spacing: 0.01em; color: var(--accent-text); margin-bottom: 0.4rem; }
.policy h2 { font-size: clamp(1.25rem, 3.5vw, 1.65rem); color: var(--primary); margin: 2.4rem 0 0.75rem; }
.policy p, .policy li { color: var(--fg); margin-bottom: 0.75rem; }
.policy ul { padding-inline-start: 1.4rem; margin-bottom: 0.75rem; }
.policy li { margin-bottom: 0.4rem; }
.policy a { color: var(--accent-text); }
.policy strong { color: var(--fg); }
.policy .arabic-title { font-family: var(--font-ar-display); font-size: clamp(1.6rem, 4.5vw, 2.4rem); }
.policy .meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 0.5rem; }
.policy .lede {
  font-size: clamp(1.02rem, 2.4vw, 1.15rem);
  border-inline-start: 3px solid var(--accent-text); padding-inline-start: 1rem; margin: 1.5rem 0;
}
.policy .lang-switch { margin-bottom: 2rem; font-size: 0.95rem; }
.policy .lang-switch a { margin: 0 0.35rem; color: var(--primary); }
.policy hr { border: none; border-top: 1px solid var(--line); margin: 3.5rem 0; }
.policy section[dir="rtl"] { text-align: right; font-family: var(--font-ar); font-size: 1.12rem; }
.policy section[dir="rtl"] h2 { font-family: var(--font-ar-display); }
.policy section[dir="rtl"] ul { padding-inline-start: 0; padding-inline-end: 1.4rem; }

/* ---------- Scroll reveal (hidden only when JS is active) ---------- */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .feature { grid-template-columns: 1fr; gap: 2rem; }
  .feature.reverse .feature__media { order: 0; }
  .feature__text p { max-width: none; }
  .grid { grid-template-columns: 1fr 1fr; }
  .nav__cta { display: none; }
}
@media (max-width: 460px) {
  .grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal, .reveal { opacity: 1; transform: none; transition: none; }
  .hero::before, .download .ico-lg { animation: none !important; }
}