/* ==========================================================================
   ILYA / JLAL — Zad Alsairin — Silver / Crimson design system
   ========================================================================== */

:root{
  --void: #060608;
  --void-2: #0b0a0c;
  --surface: rgba(20, 16, 18, 0.30);
  --surface-strong: rgba(24, 18, 20, 0.42);
  --hairline: rgba(201, 206, 214, 0.16);
  --hairline-strong: rgba(201, 206, 214, 0.32);

  --crimson: #8c1220;
  --crimson-bright: #e6293f;
  --crimson-glow: rgba(230, 41, 63, 0.35);

  --silver: #c9ced6;
  --silver-bright: #f5f7fa;
  --silver-glow: rgba(245, 247, 250, 0.35);

  --ivory: #f1eef0;
  --muted: #b7aeb2;
  --muted-2: #8a8184;

  --blur-lg: 20px;
  --blur-md: 14px;
  --blur-sm: 10px;

  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 24px; --space-6: 32px; --space-7: 48px;

  --r-sm: 14px; --r-md: 22px; --r-lg: 32px; --r-xl: 44px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast: 0.18s; --dur-med: 0.35s; --dur-slow: 0.7s;

  --font-ar: 'Reem Kufi', 'Cairo', sans-serif;
  --font-en: 'JetBrains Mono', ui-monospace, monospace;
  --font-body: 'Cairo', 'JetBrains Mono', -apple-system, sans-serif;
}

*{ margin:0; padding:0; box-sizing:border-box; }
button, a, input, textarea, select, summary{ -webkit-tap-highlight-color: transparent; }
html{ color-scheme: dark; -webkit-text-size-adjust: 100%; }

body{
  font-family: var(--font-body);
  color: var(--ivory);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.5;
}

body.lang-ar{ font-family: var(--font-ar); }
body.lang-ar .mono-text{ font-family: var(--font-ar) !important; letter-spacing: 0 !important; }

::selection{ background: var(--crimson-bright); color: var(--ivory); }

.skip-link{
  position: absolute; right: -999px; top: 0; z-index: 999;
  background: var(--silver-bright); color: var(--void);
  padding: 10px 18px; border-radius: 0 0 0 12px; font-weight: 700;
}
.skip-link:focus{ right: 0; }

/* ==========================================================================
   Background: orientation-based video system (identical logic to the
   ILYA / JLAL link-hub project) — g.mp4 = landscape/wide, H.mp4 = portrait
   ========================================================================== */

.background-video{
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  object-position: center;
  z-index: -3;
  transition: opacity .6s ease;
}

.backdrop-tint{
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(6,6,8,.32) 0%, rgba(6,6,8,.14) 35%, rgba(6,6,8,.5) 100%),
    radial-gradient(ellipse 90% 70% at 50% -10%, rgba(140,18,32,.22), transparent 60%);
}

.vignette{
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(ellipse 68% 58% at 50% 50%, transparent 45%, rgba(6,6,8,.45) 82%, rgba(6,6,8,.85) 100%);
}

/* ==========================================================================
   Page frame
   ========================================================================== */

.page{
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: var(--space-6) var(--space-4) var(--space-7);
}

.shell{
  width: 100%;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.glass{
  position: relative;
  background: rgba(10,8,9,.14);
  backdrop-filter: blur(var(--blur-lg)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur-lg)) saturate(140%);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.05);
}

/* shimmering circular border (same recipe as the link-hub project) */
@property --border-angle{
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}
.glass::before{
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.2px;
  background: conic-gradient(from var(--border-angle) at 50% 50%,
    transparent 0%, rgba(245,247,250,.6) 8%, rgba(230,41,63,.55) 18%,
    transparent 40%, transparent 60%, rgba(230,41,63,.4) 82%,
    rgba(245,247,250,.6) 92%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: .7;
  animation: rotateBorder 18s linear infinite;
  will-change: transform;
}
@keyframes rotateBorder{ to{ --border-angle: 360deg; } }

/* diagonal shimmer text effect (top-right -> bottom-left), used everywhere */
.shine-text{
  background: linear-gradient(225deg, var(--silver-bright) 0%, var(--crimson-bright) 40%, var(--silver-bright) 70%, var(--crimson) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shineMove 4.5s linear infinite;
  will-change: background-position;
}
@keyframes shineMove{ to{ background-position: 200% center; } }

/* ==========================================================================
   Language toggle
   ========================================================================== */

.lang-toggle{
  position: absolute;
  top: 14px;
  left: 14px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(201,206,214,.08);
  border: 1px solid rgba(201,206,214,.28);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: .6;
  transition: opacity .25s var(--ease-out), transform .25s var(--ease-out), background .25s var(--ease-out);
  z-index: 20;
  backdrop-filter: blur(6px);
}
.lang-toggle:hover{ opacity: 1; transform: scale(1.08); background: rgba(230,41,63,.15); }
.lang-toggle svg{ width: 15px; height: 15px; }
body.lang-ar .lang-toggle{ left: auto; right: 14px; }

/* ==========================================================================
   Brand / header
   ========================================================================== */

.brand-eyebrow{
  display: flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-size: .72rem; letter-spacing: 3px; text-transform: uppercase;
  opacity: .9; margin-bottom: var(--space-2); text-align: center;
}
.brand-eyebrow .rule{ width: 28px; height: 1px; background: linear-gradient(90deg, transparent, var(--silver), transparent); }

.hero{
  padding: var(--space-7) var(--space-5) var(--space-5);
  text-align: center;
  position: relative;
  overflow: hidden;
  animation: heroRise .8s var(--ease-out) both;
}
.hero::after{
  content: "";
  position: absolute; top: -30%; left: 50%; width: 140%; height: 90%;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, var(--crimson-glow), transparent 70%);
  opacity: .28; z-index: 0; pointer-events: none;
  animation: heroGlowPulse 7s ease-in-out infinite;
}
@keyframes heroGlowPulse{ 0%,100%{ opacity:.18; } 50%{ opacity:.32; } }
.hero > *{ position: relative; z-index: 1; }
@keyframes heroRise{ from{ opacity:0; transform:translateY(18px) scale(.98); } to{ opacity:1; transform:translateY(0) scale(1); } }

.store-name{
  font-weight: 700;
  font-size: clamp(1.6rem, 6vw, 2.2rem);
  letter-spacing: .5px;
  margin-bottom: var(--space-1);
  text-align: center;
  unicode-bidi: plaintext;
}

.mihrab{ --mihrab-w: 148px; width: var(--mihrab-w); margin: var(--space-5) auto var(--space-4); position: relative; }
.mihrab-frame{
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, rgba(140,18,32,.3), rgba(6,6,8,.5));
  border: 1px solid var(--hairline-strong);
  box-shadow: 0 0 0 1px rgba(0,0,0,.35), 0 25px 45px rgba(0,0,0,.5), inset 0 0 26px rgba(245,247,250,.07);
  overflow: hidden;
}
.mihrab-frame::before{
  content: ""; position: absolute; inset: 6px; border-radius: calc(var(--r-lg) - 6px);
  border: 1px solid var(--silver-glow); opacity: .5;
  pointer-events: none;
  animation: mihrabGlow 5s ease-in-out infinite;
}
@keyframes mihrabGlow{ 0%,100%{ box-shadow: inset 0 0 12px var(--silver-glow); opacity:.35; } 50%{ box-shadow: inset 0 0 24px var(--crimson-glow); opacity:.75; } }
.app-icon{ position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; }

.tagline{ font-size: .95rem; color: var(--ivory); opacity: .92; text-align: center; unicode-bidi: plaintext; }
.tagline-source{ display: block; font-size: .7rem; color: var(--muted); margin-top: 2px; text-align: center; }

/* ==========================================================================
   Info grid + counters
   ========================================================================== */

.info-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
  padding: var(--space-5) var(--space-5) 0;
}
.info-card{
  background: rgba(255,255,255,.02);
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  padding: var(--space-3) var(--space-1);
  text-align: center;
}
.info-label{
  font-size: .62rem; color: var(--muted); display: flex; align-items: center;
  justify-content: center; gap: 4px; margin-bottom: 4px; white-space: nowrap;
}
.info-label i{ color: var(--crimson-bright); }
.info-value{ font-size: .84rem; font-weight: 700; color: var(--ivory); unicode-bidi: plaintext; }

.counters{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5) 0;
}
.counter-panel{
  background: rgba(255,255,255,.02);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: var(--space-4) var(--space-3);
  text-align: center;
}
.counter-panel .label{
  font-size: .68rem; color: var(--muted); display: flex; align-items: center;
  justify-content: center; gap: 6px; margin-bottom: 4px;
}
.counter-panel .label i{ color: var(--silver); }
.counter-digit{ font-size: 1.6rem; font-weight: 800; unicode-bidi: plaintext; }

/* ==========================================================================
   Sections / features
   ========================================================================== */

.section{ padding: var(--space-5) var(--space-5) 0; }
.section-title{
  font-size: 1rem; font-weight: 700; display: flex; align-items: center;
  gap: 8px; margin-bottom: var(--space-3); justify-content: center; text-align: center;
}
.section-title i{ color: var(--crimson-bright); }

.desc-text{ font-size: .86rem; color: var(--muted); line-height: 1.9; text-align: center; unicode-bidi: plaintext; }

.feature-grid{
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2);
  margin-top: var(--space-4);
}
.feature-item{
  background: rgba(255,255,255,.02);
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  padding: var(--space-3);
  font-size: .78rem;
  display: flex; align-items: center; gap: 8px;
  text-align: start;
  unicode-bidi: plaintext;
}
.feature-item i{ color: var(--silver); flex-shrink: 0; }

/* ==========================================================================
   Download button
   ========================================================================== */

.download-wrapper{ padding: var(--space-6) var(--space-5) 0; }
.download-btn{
  width: 100%;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(135deg, var(--crimson) 0%, #4a0812 100%);
  border: 1px solid rgba(230,41,63,.5);
  color: var(--ivory);
  font-family: inherit;
  font-size: .95rem;
  font-weight: 700;
  padding: 15px 20px;
  border-radius: var(--r-md);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: transform var(--dur-fast), box-shadow var(--dur-med), border-color var(--dur-fast);
  box-shadow: 0 16px 34px -12px rgba(230,41,63,.55);
}
.download-btn::before{
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(120deg, transparent 30%, rgba(245,247,250,.18) 48%, rgba(230,41,63,.28) 52%, transparent 70%);
  background-size: 220% 100%;
  background-position: 150% 0;
  transition: background-position .7s var(--ease-out);
}
.download-btn:hover::before{ background-position: -50% 0; }
.download-btn:hover{ transform: translateY(-2px); border-color: var(--crimson-bright); }
.download-btn:active{ transform: translateY(0) scale(.98); }

.download-btn .spinner{ display: none; }
.download-btn.loading .btn-text{ opacity: .35; }
.download-btn.loading .spinner{ display: inline-block; animation: spin .8s linear infinite; }
@keyframes spin{ to{ transform: rotate(360deg); } }

.download-btn--off, .download-btn--off:hover, .download-btn--off:active{
  background: linear-gradient(135deg, #2b2226 0%, #17141a 100%);
  border-color: var(--hairline);
  box-shadow: none;
  cursor: not-allowed;
  opacity: .82;
  transform: none;
}
.download-btn--off::before{ display: none; }
.download-btn--off .btn-text{ display:flex; align-items:center; gap:8px; color: var(--muted); }
.download-btn--off i.fa-ban{ color: var(--crimson-bright); }

.download-meta{ text-align: center; font-size: .74rem; color: var(--muted-2); margin-top: var(--space-2); }

/* ==========================================================================
   FAQ
   ========================================================================== */

.faq-item{
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  margin-bottom: var(--space-2);
  overflow: hidden;
  background: rgba(255,255,255,.015);
}
.faq-question{
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  font-size: .84rem; font-weight: 600;
  list-style: none;
  unicode-bidi: plaintext;
}
.faq-question::-webkit-details-marker{ display: none; }
.faq-question .chev{ transition: transform var(--dur-fast) var(--ease-out); color: var(--silver); flex-shrink: 0; }
details[open] .chev{ transform: rotate(180deg); }
.faq-answer{ padding: 0 var(--space-4) var(--space-3); color: var(--muted); font-size: .8rem; line-height: 1.8; unicode-bidi: plaintext; }

/* ==========================================================================
   Support links + footer
   ========================================================================== */

.support-links{
  display: flex; gap: var(--space-2); padding: var(--space-2) var(--space-5) var(--space-5);
  flex-wrap: wrap; justify-content: center;
}
.support-link{
  flex: 1 1 140px; display: flex; align-items: center; justify-content: center; gap: 8px;
  background: rgba(255,255,255,.03); border: 1px solid var(--hairline); border-radius: 999px;
  padding: 12px 18px; text-decoration: none; color: var(--ivory); font-size: .82rem; font-weight: 600;
  transition: transform var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
  font-family: inherit; cursor: pointer;
  unicode-bidi: plaintext;
}
.support-link i{ color: var(--crimson-bright); }
.support-link:hover{ border-color: var(--hairline-strong); background: rgba(255,255,255,.06); transform: translateY(-1px); }
.support-link:active{ transform: scale(.96); }
.share-btn{ background: none; border: 1px dashed var(--hairline-strong); color: var(--muted); }

footer.page-footer{ text-align: center; font-size: .72rem; color: var(--muted-2); padding-top: var(--space-4); unicode-bidi: plaintext; }

/* ==========================================================================
   Toast
   ========================================================================== */

.toast{
  position: fixed; bottom: var(--space-5); left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface-strong);
  backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--hairline-strong);
  color: var(--ivory); padding: 12px 22px; border-radius: 999px; font-size: .82rem;
  z-index: 100; opacity: 0; pointer-events: none;
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
  display: flex; align-items: center; gap: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,.5);
  unicode-bidi: plaintext;
}
.toast.show{ opacity: 1; transform: translateX(-50%) translateY(0); }
.toast i{ color: var(--silver-bright); }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 420px){
  .info-grid{ grid-template-columns: repeat(2, 1fr); }
  .counters{ grid-template-columns: 1fr; }
  .feature-grid{ grid-template-columns: 1fr; }
  .hero, .section, .info-grid, .counters, .download-wrapper, .support-links{
    padding-left: var(--space-4); padding-right: var(--space-4);
  }
}

@media (min-width: 900px){ .shell{ max-width: 620px; } }

:focus-visible{ outline: 2px solid var(--silver-bright); outline-offset: 3px; border-radius: 6px; }

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}