/* ==========================================================================
   درة نجد — نظام التصميم المشترك (الثيم الداكن الدافئ)
   يُستخدم في كل الصفحات المتعددة. مصدر واحد للـ tokens والمكوّنات.
   ========================================================================== */

:root {
  --bg: #080604;
  --bg-warm: #0e0a07;
  --bg-elev: #14100c;
  --glow-orange: #6b3010;
  --glow-amber: #8b4a18;
  --accent: #d4733a;
  --accent-hover: #c06030;
  --accent-soft: rgba(212, 115, 58, 0.14);
  --gold: #e0a86a;
  --white: #f2ede8;
  --white-dim: rgba(242, 237, 232, 0.62);
  --white-faint: rgba(242, 237, 232, 0.38);
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.09);
  --separator: rgba(255, 255, 255, 0.11);
  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1280px;
  --nav-h: 74px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --serif: 'Amiri', serif;
  --sans: 'Cairo', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; background: var(--bg); -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--sans);
  overflow-x: hidden;
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3, .dn-serif { font-family: var(--serif); font-weight: 400; color: var(--white); line-height: 1.2; }
p, a, span, button, input, li { font-family: var(--sans); }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; background: #1a1612; }

::selection { background: rgba(212, 115, 58, 0.28); color: var(--white); }
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-thumb { background: rgba(212, 115, 58, 0.35); border-radius: 3px; }

.dn-container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; width: 100%; }
.dn-skip {
  position: absolute; right: -9999px; top: 0; z-index: 9999;
  background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 0 0 10px 0;
}
.dn-skip:focus { right: 0; }

/* ============================ NAV ============================ */
.dn-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(8, 6, 4, 0.72);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid var(--separator);
  transition: transform 0.4s var(--ease), background 0.3s;
}
.dn-nav.hidden { transform: translateY(-105%); }
.dn-nav.dn-nav-scrolled { box-shadow: 0 10px 30px -14px rgba(0, 0, 0, 0.7); background: rgba(8, 6, 4, 0.86); }
.dn-nav-inner {
  max-width: var(--maxw); margin-left: auto !important; margin-right: auto !important;
  padding: 0 24px; height: var(--nav-h); width: 100%;
  display: flex !important; align-items: center; justify-content: space-between !important; gap: 18px;
}
.dn-brand { display: flex; align-items: center; gap: 11px; }
.dn-brand-logo { width: 40px; height: 40px; object-fit: contain; background: transparent; }
.dn-brand-text { font-family: var(--serif); font-size: 22px; color: var(--white); display: flex; flex-direction: column; line-height: 1.05; }
.dn-brand-sub { font-family: var(--sans); font-size: 9.5px; color: var(--white-faint); letter-spacing: 0.5px; margin-top: 2px; }

.dn-nav-links { display: flex; align-items: center; gap: 4px; }
.dn-navlink {
  font-size: 14px; color: var(--white-dim); padding: 8px 14px; border-radius: 10px;
  transition: color 0.2s, background 0.2s; position: relative; white-space: nowrap;
}
.dn-navlink:hover { color: var(--white); background: rgba(255,255,255,0.04); }
.dn-navlink.active { color: var(--accent); }
.dn-navlink.active::after {
  content: ''; position: absolute; bottom: 2px; right: 14px; left: 14px; height: 2px;
  background: var(--accent); border-radius: 2px;
}

.dn-nav-actions { display: flex; align-items: center; gap: 12px; }
.dn-cta {
  display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600;
  padding: 10px 18px; border-radius: 30px; border: none; cursor: pointer; transition: all 0.25s var(--ease);
}
.dn-cta-wa { background: linear-gradient(135deg, var(--accent), var(--accent-hover)); color: #fff; box-shadow: 0 6px 20px -6px rgba(212,115,58,0.6); }
.dn-cta-wa:hover { transform: translateY(-2px); box-shadow: 0 10px 26px -6px rgba(212,115,58,0.75); }
.dn-cta-ghost { background: transparent; color: var(--white); border: 1px solid var(--card-border); }
.dn-cta-ghost:hover { background: rgba(255,255,255,0.05); border-color: var(--accent); }

.dn-burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.dn-burger span { width: 22px; height: 2px; background: var(--white); border-radius: 2px; transition: 0.3s var(--ease); }
.dn-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.dn-burger.open span:nth-child(2) { opacity: 0; }
.dn-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.dn-drawer {
  display: none; flex-direction: column; gap: 4px; padding: 12px 24px 22px;
  border-top: 1px solid var(--separator); background: rgba(8,6,4,0.96);
}
.dn-drawer .dn-navlink { padding: 13px 8px; font-size: 15.5px; border-bottom: 1px solid rgba(255,255,255,0.05); border-radius: 0; }
.dn-drawer .dn-navlink.active::after { display: none; }
.dn-drawer-wa { margin-top: 14px; justify-content: center; }

/* ============================ PAGE SHELL ============================ */
.dn-main { padding-top: var(--nav-h); min-height: 60vh; }

/* رأس الصفحة (Hero مصغّر لكل صفحة داخلية) */
.dn-pagehead { position: relative; padding: 84px 0 54px; text-align: center; overflow: hidden; }
.dn-pagehead::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(ellipse 60% 80% at 50% 0%, var(--glow-orange), transparent 60%);
  opacity: 0.5;
}
.dn-eyebrow {
  display: inline-block; font-size: 13px; letter-spacing: 3px; color: var(--accent);
  text-transform: uppercase; margin-bottom: 16px;
}
.dn-pagehead h1 { font-size: clamp(38px, 6vw, 68px); margin-bottom: 18px; }
.dn-pagehead .dn-lede { max-width: 640px; margin: 0 auto; color: var(--white-dim); font-size: 16px; }

.dn-section { padding: 64px 0; position: relative; }
.dn-section-title { font-size: clamp(30px, 4.5vw, 50px); text-align: center; margin-bottom: 12px; }
.dn-section-sub { max-width: 620px; margin: 0 auto 44px; text-align: center; color: var(--white-dim); font-size: 15px; }

/* ============================ CARDS ============================ */
.dn-grid { display: grid; gap: 22px; }
.dn-grid-3 { grid-template-columns: repeat(3, 1fr); }
.dn-grid-4 { grid-template-columns: repeat(4, 1fr); }
.dn-grid-2 { grid-template-columns: repeat(2, 1fr); }

.dn-card {
  background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius);
  overflow: hidden; transition: transform 0.35s var(--ease), border-color 0.3s, box-shadow 0.35s;
}
.dn-card:hover { transform: translateY(-6px); border-color: rgba(212,115,58,0.4); box-shadow: 0 20px 40px -20px rgba(0,0,0,0.7); }

/* ============================ REVEAL ============================ */
.dn-reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.dn-reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .dn-reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================ PAGE TRANSITION ============================ */
.dn-fade { animation: dnFadeIn 0.55s var(--ease) both; }
@keyframes dnFadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ============================ FOOTER ============================ */
.dn-footer { border-top: 1px solid var(--separator); background: var(--bg-warm); margin-top: 40px; }
.dn-footer-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 52px 24px 32px;
  display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 36px; align-items: start;
}
.dn-footer-brand img { width: 52px; height: 52px; object-fit: contain; background: transparent; opacity: 0.92; margin-bottom: 12px; }
.dn-footer-name { font-family: var(--serif); font-size: 22px; color: var(--white); }
.dn-footer-tag { font-size: 12px; color: var(--white-faint); margin-top: 5px; }
.dn-footer-nav { display: flex; flex-direction: column; gap: 11px; }
.dn-footer-nav a { font-size: 14px; color: var(--white-dim); transition: color 0.2s; width: fit-content; }
.dn-footer-nav a:hover { color: var(--accent); }
.dn-footer-contact { display: flex; flex-direction: column; gap: 12px; }
.dn-footer-line { display: flex; align-items: center; gap: 9px; font-size: 14px; color: var(--white-dim); }
.dn-footer-line svg { color: var(--accent); flex-shrink: 0; }
.dn-footer-bottom { text-align: center; padding: 20px; border-top: 1px solid var(--separator); font-size: 12px; color: var(--white-faint); }

/* ============================ LIGHTBOX ============================ */
.dn-lb {
  position: fixed; inset: 0; z-index: 2000; display: none;
  background: rgba(4, 3, 2, 0.94); backdrop-filter: blur(6px);
  align-items: center; justify-content: center; padding: 40px;
}
.dn-lb.open { display: flex; animation: dnFadeIn 0.3s var(--ease); }
.dn-lb-stage { max-width: 92vw; max-height: 88vh; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.dn-lb-stage img { max-width: 92vw; max-height: 80vh; border-radius: 12px; box-shadow: 0 20px 60px rgba(0,0,0,0.6); object-fit: contain; background: #1a1612; }
.dn-lb-stage figcaption { color: var(--white-dim); font-size: 14px; }
.dn-lb-close { position: absolute; top: 20px; left: 24px; background: none; border: none; color: #fff; font-size: 40px; line-height: 1; cursor: pointer; opacity: 0.8; }
.dn-lb-close:hover { opacity: 1; }
.dn-lb-nav { background: rgba(255,255,255,0.08); border: 1px solid var(--card-border); color: #fff; width: 52px; height: 52px; border-radius: 50%; font-size: 30px; cursor: pointer; flex-shrink: 0; transition: background 0.2s; }
.dn-lb-nav:hover { background: var(--accent); }
.dn-gallery img { cursor: zoom-in; }
@media (max-width: 560px) { .dn-lb-nav { width: 42px; height: 42px; font-size: 24px; } .dn-lb { padding: 16px; } }

/* ============================ RESPONSIVE ============================ */
@media (max-width: 900px) {
  .dn-nav-links { display: none; }
  .dn-burger { display: flex; }
  .dn-nav.open .dn-drawer { display: flex; }
  .dn-cta-wa span { display: none; }
  .dn-cta-wa { padding: 10px; }
  .dn-grid-3, .dn-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .dn-footer-inner { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 560px) {
  .dn-grid-2, .dn-grid-3, .dn-grid-4 { grid-template-columns: 1fr; }
  .dn-brand-sub { display: none; }
  .dn-section { padding: 48px 0; }
}