/* =========================================================
   درة الرياض — ثيم لايت سينمائي
   الـ palette مشتقة من اتجاه "المعرض" المعتمد:
   أبيض دافئ #faf8f4 / أسطح #ffffff / حدود #e6dfd0
   ذهبي #a8842f → #d9b877 / نص داكن #201b12
   السكرول السينمائي: أقسام مثبّتة (sticky) يقود تقدّمها
   متغيّر --p (من 0 إلى 1) تحدّثه جافاسكربت خفيفة.
   ========================================================= */

/* ---------- الخط: Tajawal مستضاف محلياً ---------- */
@font-face {
  font-family: 'Tajawal';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/tajawal-400-arabic.woff2') format('woff2');
  unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0897-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC, U+102E0-102FB, U+10E60-10E7E, U+10EC2-10EC4, U+10EFC-10EFF, U+1EE00-1EE03, U+1EE05-1EE1F, U+1EE21-1EE22, U+1EE24, U+1EE27, U+1EE29-1EE32, U+1EE34-1EE37, U+1EE39, U+1EE3B, U+1EE42, U+1EE47, U+1EE49, U+1EE4B, U+1EE4D-1EE4F, U+1EE51-1EE52, U+1EE54, U+1EE57, U+1EE59, U+1EE5B, U+1EE5D, U+1EE5F, U+1EE61-1EE62, U+1EE64, U+1EE67-1EE6A, U+1EE6C-1EE72, U+1EE74-1EE77, U+1EE79-1EE7C, U+1EE7E, U+1EE80-1EE89, U+1EE8B-1EE9B, U+1EEA1-1EEA3, U+1EEA5-1EEA9, U+1EEAB-1EEBB, U+1EEF0-1EEF1;
}
@font-face {
  font-family: 'Tajawal';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/tajawal-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Tajawal';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/tajawal-500-arabic.woff2') format('woff2');
  unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0897-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC, U+102E0-102FB, U+10E60-10E7E, U+10EC2-10EC4, U+10EFC-10EFF, U+1EE00-1EE03, U+1EE05-1EE1F, U+1EE21-1EE22, U+1EE24, U+1EE27, U+1EE29-1EE32, U+1EE34-1EE37, U+1EE39, U+1EE3B, U+1EE42, U+1EE47, U+1EE49, U+1EE4B, U+1EE4D-1EE4F, U+1EE51-1EE52, U+1EE54, U+1EE57, U+1EE59, U+1EE5B, U+1EE5D, U+1EE5F, U+1EE61-1EE62, U+1EE64, U+1EE67-1EE6A, U+1EE6C-1EE72, U+1EE74-1EE77, U+1EE79-1EE7C, U+1EE7E, U+1EE80-1EE89, U+1EE8B-1EE9B, U+1EEA1-1EEA3, U+1EEA5-1EEA9, U+1EEAB-1EEBB, U+1EEF0-1EEF1;
}
@font-face {
  font-family: 'Tajawal';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/tajawal-500-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Tajawal';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/tajawal-700-arabic.woff2') format('woff2');
  unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0897-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC, U+102E0-102FB, U+10E60-10E7E, U+10EC2-10EC4, U+10EFC-10EFF, U+1EE00-1EE03, U+1EE05-1EE1F, U+1EE21-1EE22, U+1EE24, U+1EE27, U+1EE29-1EE32, U+1EE34-1EE37, U+1EE39, U+1EE3B, U+1EE42, U+1EE47, U+1EE49, U+1EE4B, U+1EE4D-1EE4F, U+1EE51-1EE52, U+1EE54, U+1EE57, U+1EE59, U+1EE5B, U+1EE5D, U+1EE5F, U+1EE61-1EE62, U+1EE64, U+1EE67-1EE6A, U+1EE6C-1EE72, U+1EE74-1EE77, U+1EE79-1EE7C, U+1EE7E, U+1EE80-1EE89, U+1EE8B-1EE9B, U+1EEA1-1EEA3, U+1EEA5-1EEA9, U+1EEAB-1EEBB, U+1EEF0-1EEF1;
}
@font-face {
  font-family: 'Tajawal';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/tajawal-700-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Design tokens ---------- */
:root {
  --bg: #f7f4ee;
  --bg-alt: #efe9de;
  --surface: #ffffff;
  --border: #e3dac9;
  --gold-deep: #8a6a2f;
  --gold: #a8842f;
  --gold-mid: #c9a24b;
  --gold-bright: #e7cf9a;
  --text: #201b12;
  --muted: #7a715e;
  --danger: #b3541e;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(32, 27, 18, .07);
}

/* ---------- Reset & base ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
/* توصيات Lenis الرسمية */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }
body {
  font-family: 'Tajawal', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }

/* ---------- شريط تقدم القراءة ---------- */
.progress {
  position: fixed;
  top: 0;
  right: 0;
  height: 3px;
  width: 100%;
  z-index: 50;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold-mid), var(--gold-bright));
  transform-origin: right;                 /* RTL: يمتد من اليمين */
  transform: scaleX(var(--scroll, 0));
}

/* ---------- تأثير اللمعان الذهبي ---------- */
.gold-shimmer {
  background: linear-gradient(105deg,
    var(--gold-deep) 0%, var(--gold) 30%,
    var(--gold-bright) 50%,
    var(--gold) 70%, var(--gold-deep) 100%);
  background-size: 220% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 4.5s linear infinite;
}
@keyframes shimmer {
  0%   { background-position: 210% center; }
  100% { background-position: -10% center; }
}

/* ---------- البنية المثبّتة (pinning) ----------
   .pin-wrap ارتفاعه أكبر من الشاشة، و .pin يلتصق بأعلى الشاشة.
   جافاسكربت تحدّث --p من 0 إلى 1 أثناء عبور القسم. */
.pin-wrap { position: relative; }
.pin {
  position: sticky;
  top: 0;
  min-height: 100svh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.hero.pin-wrap { height: 165svh; }
.interlude.pin-wrap { height: 160svh; }
.gallery.pin-wrap { height: 280svh; }

/* ---------- Hero ---------- */
.hero .pin { justify-content: flex-end; }
.hero__bg, .hero__bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
/* Ken Burns معكوس: الصورة تتقلص من 1.18 إلى 1 مع تقدم السكرول */
.hero__bg img {
  transform: scale(calc(1.18 - var(--p, 0) * .18));
  will-change: transform;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to top,
    rgba(250,248,244,.97) 0%,
    rgba(250,248,244,.35) 45%,
    rgba(250,248,244,.15) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 18svh 1.25rem 2rem;
  /* العنوان يتلاشى ويصعد قليلاً مع السكرول */
  opacity: calc(1 - var(--p, 0) * 1.4);
  transform: translateY(calc(var(--p, 0) * -40px));
}
.hero__badge {
  color: var(--muted);
  font-size: .95rem;
  letter-spacing: .06em;
  margin-bottom: .5rem;
}
.hero__title {
  font-size: clamp(2.8rem, 10vw, 5.5rem);
  font-weight: 700;
  line-height: 1.25;
  /* تباعد الأحرف ينفرج قليلاً مع السكرول — لمسة سينمائية */
  letter-spacing: calc(var(--p, 0) * .08em);
}
.hero__tagline {
  color: var(--text);
  opacity: .8;
  font-size: clamp(1rem, 3vw, 1.35rem);
  margin-top: .25rem;
}
.hero__cue {
  margin: 1.5rem auto 0;
  width: 26px;
  height: 42px;
  border: 2px solid var(--gold);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 7px;
}
.hero__cue span {
  width: 4px;
  height: 9px;
  border-radius: 2px;
  background: var(--gold);
  animation: cue 1.6s ease-in-out infinite;
}
@keyframes cue {
  0%, 100% { transform: translateY(0); opacity: 1; }
  60%      { transform: translateY(12px); opacity: .2; }
}

/* ---------- شريط الأسعار ---------- */
.pricebar {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, .82);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(8px);
  padding: 1rem 1rem .75rem;
}
.pricebar__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .5rem;
  max-width: 900px;
  margin: 0 auto;
}
.pricebar__cell {
  text-align: center;
  padding: .5rem .25rem;
  border-inline-start: 1px solid var(--border);
}
.pricebar__cell:first-child { border-inline-start: none; }
.pricebar__karat {
  display: block;
  color: var(--gold-deep);
  font-weight: 700;
  font-size: 1.05rem;
}
.pricebar__price, .pricebar__mithqal {
  display: block;
  font-size: .85rem;
  color: var(--muted);
}
.pricebar__price b, .pricebar__mithqal b {
  color: var(--text);
  font-weight: 500;
}
.pricebar__updated {
  text-align: center;
  color: var(--muted);
  font-size: .8rem;
  margin-top: .5rem;
}
.pricebar__stale {
  background: rgba(179, 84, 30, .08);
  border: 1px solid var(--danger);
  color: var(--danger);
  border-radius: var(--radius);
  text-align: center;
  padding: .5rem .75rem;
  margin: 0 auto .75rem;
  max-width: 900px;
  font-size: .9rem;
}

/* ---------- الفواصل السينمائية ---------- */
.interlude__pin { justify-content: center; align-items: center; }
.interlude__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* parallax + قِطع بصري: تتحرك الصورة أبطأ من السكرول وتتسع */
  transform: scale(calc(1.05 + var(--p, 0) * .12)) translateY(calc((var(--p, 0) - .5) * -6%));
  will-change: transform;
}
.interlude__quote {
  position: relative;
  z-index: 1;
  font-size: clamp(1.6rem, 5.5vw, 3rem);
  font-weight: 700;
  text-align: center;
  padding: .75rem 2rem;
  background: rgba(250, 248, 244, .55);
  border-radius: var(--radius);
  backdrop-filter: blur(3px);
  /* الاقتباس يظهر في منتصف عبور الفاصل */
  opacity: calc((var(--p, 0) - .15) * 3);
  transform: translateY(calc((1 - var(--p, 0)) * 30px));
}

/* ---------- الأقسام العامة ---------- */
.section {
  padding: 5.5rem 1.25rem;
  max-width: 1100px;
  margin: 0 auto;
}
.chapter-label {
  text-align: center;
  color: var(--gold);
  font-size: .85rem;
  letter-spacing: .35em;
  margin-bottom: .5rem;
}
.section__title {
  font-size: clamp(1.6rem, 5vw, 2.3rem);
  font-weight: 700;
  text-align: center;
  width: fit-content;
  margin: 0 auto .5rem;
}
.section__sub {
  text-align: center;
  color: var(--muted);
  margin-bottom: 2rem;
}

/* ---------- الكشف عند الوصول (reveal) ---------- */
/* html.js تضيفها الجافاسكربت — بدونها يبقى المحتوى ظاهراً دائماً */
html.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
html.js .reveal.in-view { opacity: 1; transform: none; }
/* تدرّج زمني للبطاقات المتجاورة */
.services__grid .reveal:nth-child(2), .trust__grid .reveal:nth-child(2), .contact__grid .reveal:nth-child(2) { transition-delay: .12s; }
.services__grid .reveal:nth-child(3), .trust__grid .reveal:nth-child(3), .contact__grid .reveal:nth-child(3) { transition-delay: .24s; }
.services__grid .reveal:nth-child(4) { transition-delay: .36s; }

/* ---------- الحاسبة ---------- */
.calculator { background: transparent; }
.calc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  max-width: 640px;
  margin: 1.5rem auto 0;
}
.calc__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
@media (min-width: 560px) {
  .calc__row { grid-template-columns: 1.2fr 1fr 1fr; }
}
.calc__field span {
  display: block;
  color: var(--muted);
  font-size: .9rem;
  margin-bottom: .35rem;
}
.calc__field input, .calc__field select {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .65rem .75rem;
  font: inherit;
}
.calc__field input:focus, .calc__field select:focus {
  outline: 2px solid var(--gold);
  outline-offset: 1px;
}
.btn-gold {
  display: block;
  width: 100%;
  background: linear-gradient(135deg, var(--gold-deep), var(--gold-mid));
  color: #fffdf7;
  font: inherit;
  font-weight: 700;
  font-size: 1.05rem;
  border: none;
  border-radius: 8px;
  padding: .8rem;
  cursor: pointer;
  transition: filter .2s;
}
.btn-gold:hover { filter: brightness(1.1); }
.calc__result {
  display: block;
  text-align: center;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--border);
}
.calc__result-label {
  display: block;
  color: var(--muted);
  font-size: .95rem;
}
.calc__result-value {
  font-size: clamp(1.6rem, 6vw, 2.2rem);
  font-weight: 700;
}
.calc__disclaimer {
  text-align: center;
  color: var(--muted);
  font-size: .85rem;
  margin-top: 1rem;
}

/* ---------- الخدمات ---------- */
.services { background: transparent; }
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 560px) { .services__grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .services__grid { grid-template-columns: repeat(4, 1fr); } }
.service {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem 1.25rem;
  text-align: center;
}
.service__icon {
  width: 42px;
  height: 42px;
  color: var(--gold);
  margin: 0 auto .75rem;
}
.service h3 {
  color: var(--gold-deep);
  font-size: 1.15rem;
  margin-bottom: .4rem;
}
.service p { color: var(--muted); font-size: .92rem; }

/* ---------- الثقة ---------- */
.trust__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 900px) {
  .trust__grid { grid-template-columns: 1fr 1fr 1.4fr; }
}
.trust__card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem 1.25rem;
}
.trust__card h3 {
  color: var(--gold-deep);
  margin-bottom: .6rem;
  font-size: 1.1rem;
}
.trust__card p { color: var(--muted); font-size: .95rem; margin-bottom: .5rem; }
.trust__card b { color: var(--text); }
.trust__map {
  width: 100%;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-top: .75rem;
}

/* ---------- المعرض الأفقي السينمائي ---------- */
.gallery__pin {
  justify-content: center;
  padding: 2rem 0;
  background: var(--bg-alt);
}
.gallery__pin .chapter-label, .gallery__pin .section__title, .gallery__pin .section__sub {
  padding-inline: 1.25rem;
}
.gallery__viewport { overflow: hidden; }
.gallery__track {
  display: flex;
  gap: 1rem;
  padding-inline: 1.25rem;
  width: max-content;
  /* --ov تحسبها جافاسكربت: مقدار الفائض بالبكسل.
     RTL: الشريط يبدأ من اليمين ويتحرك يميناً ليكشف بقية القطع */
  transform: translateX(calc(var(--p, 0) * var(--ov, 0) * 1px));
  will-change: transform;
}
.gallery__ph {
  width: min(62vw, 340px);
  aspect-ratio: 4 / 5;
  flex-shrink: 0;
  background: linear-gradient(160deg, #eceadf 0%, #e0dccd 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}
.gallery__ph span { color: var(--gold); font-size: .9rem; letter-spacing: .1em; }

/* ---------- تواصل ---------- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto;
}
@media (min-width: 700px) { .contact__grid { grid-template-columns: repeat(3, 1fr); } }
.contact__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem 1rem;
  color: var(--text);
  text-decoration: none;
  transition: border-color .2s, opacity .7s ease, transform .7s ease;
}
a.contact__item:hover { border-color: var(--gold); }
.contact__item svg { width: 34px; height: 34px; color: var(--gold); }
.contact__item span { color: var(--muted); font-size: .9rem; }
.contact__item b { color: var(--text); font-size: 1.02rem; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  text-align: center;
  padding: 2.5rem 1.25rem;
  color: var(--muted);
  font-size: .85rem;
}
.footer__brand {
  font-size: 1.4rem;
  font-weight: 700;
  width: fit-content;
  margin: 0 auto .35rem;
}
.footer__tel {
  color: var(--gold-deep);
  text-decoration: none;
  unicode-bidi: embed;
}
.footer__tel:hover { text-decoration: underline; }

/* ---------- تقليل الحركة: تجربة ساكنة محترمة ----------
   تُلغى كل الحركات، والأقسام المثبّتة تعود أقساماً عادية بارتفاع طبيعي */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .gold-shimmer { animation: none; background-position: 50% center; }
  .hero__cue span { animation: none; }
  * { transition: none !important; }
  .pin-wrap, .hero.pin-wrap, .interlude.pin-wrap, .gallery.pin-wrap { height: auto; }
  .pin { position: relative; min-height: 100svh; }
  .interlude .pin { min-height: 60svh; }
  .hero__bg img { transform: none; }
  .hero__content { opacity: 1; transform: none; }
  .hero__title { letter-spacing: 0; }
  .interlude__bg { transform: none; }
  .interlude__quote { opacity: 1; transform: none; }
  .reveal { opacity: 1; transform: none; }
  .gallery__track { transform: none; }
  .gallery__viewport { overflow-x: auto; }
  .gallery.pin-wrap { height: auto; }
  .gallery__pin { min-height: auto; }
}