/* =====================================================================
   عيادة النخبة الطبية — الورقة الرئيسية للتصميم
   نظام الألوان: تيل عميق + ذهبي دافئ على خلفية ورقية باردة
===================================================================== */

:root {
  --teal-darker: #0A2B2C;
  --teal-dark:   #0F3D3E;
  --teal-mid:    #1C5C5E;
  --sage:        #5C8374;
  --gold:        #CB9350;
  --gold-light:  #E0B478;
  --paper:       #F6F8F7;
  --paper-2:     #EDF2F0;
  --text-dark:   #152423;
  --text-muted:  #5B6D69;
  --border:      #E1E8E5;
  --white:       #FFFFFF;

  --font-head: 'Tajawal', 'IBM Plex Sans Arabic', sans-serif;
  --font-body: 'IBM Plex Sans Arabic', 'Tajawal', sans-serif;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow-soft: 0 20px 45px -25px rgba(10, 43, 44, 0.35);
  --container-w: 1220px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--paper);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

.container { width: 100%; max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 800; line-height: 1.25; margin: 0 0 .5em; color: var(--teal-darker); }
p { margin: 0 0 1em; color: var(--text-muted); max-width: 62ch; }

.skip-link {
  position: absolute; right: -999px; top: 0; background: var(--gold); color: var(--teal-darker);
  padding: 12px 20px; z-index: 999; border-radius: 0 0 0 10px; font-weight: 700;
}
.skip-link:focus { right: 0; }

:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

/* ================= الأزرار ================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 700; font-size: 15px;
  border: 2px solid transparent; transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  white-space: nowrap;
}
.btn-accent { background: var(--gold); color: var(--teal-darker); }
.btn-accent:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(203,147,80,.55); }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,.4); color: inherit; }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-outline { background: transparent; border-color: var(--teal-dark); color: var(--teal-dark); }
.btn-outline:hover { background: var(--teal-dark); color: #fff; }
.btn-muted { background: var(--paper-2); color: var(--text-muted); border-color: var(--border); }
.btn-danger { background: #fff; color: #B3452F; border-color: #E7C2B6; }
.btn-danger:hover { background: #B3452F; color: #fff; }
.btn-lg { padding: 16px 34px; font-size: 16px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-block { width: 100%; }

/* ================= الهيدر ================= */
.site-header {
  position: sticky; top: 0; z-index: 200; background: rgba(246,248,247,.9);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
  transition: box-shadow .3s ease;
}
.site-header.is-scrolled { box-shadow: 0 10px 30px -20px rgba(10,43,44,.4); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 24px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { display: inline-flex; width: 44px; height: 44px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.brand-mark img { width: 100%; height: 100%; object-fit: cover; }
.brand-name { font-family: var(--font-head); font-weight: 800; font-size: 19px; color: var(--teal-darker); }

.main-nav ul { display: flex; align-items: center; gap: 30px; }
.main-nav a { font-weight: 600; color: var(--text-dark); position: relative; padding: 6px 0; }
.main-nav a::after {
  content: ''; position: absolute; right: 0; bottom: 0; width: 0; height: 2px; background: var(--gold); transition: width .25s ease;
}
.main-nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--teal-darker); border-radius: 2px; }

/* ================= الغلاف (Hero) ================= */
.hero { padding: 64px 0 40px; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }

.hero-eyebrow { color: var(--gold); font-weight: 700; margin-bottom: 10px; }
.hero-content h1 { font-size: clamp(34px, 4.6vw, 54px); max-width: 15ch; }
.hero-sub { font-size: 17px; max-width: 46ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 26px 0 34px; }
.hero-actions .btn-ghost { border-color: var(--teal-mid); color: var(--teal-dark); }

.hero-stats { display: flex; gap: 34px; flex-wrap: wrap; border-top: 1px solid var(--border); padding-top: 24px; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: var(--font-head); font-weight: 900; font-size: 28px; color: var(--teal-darker); }
.stat-label { font-size: 13px; color: var(--text-muted); }

.hero-media { position: relative; }
.hero-slider {
  position: relative; aspect-ratio: 4 / 4.4; border-radius: 46% 54% 58% 42% / 48% 42% 58% 52%;
  overflow: hidden; box-shadow: var(--shadow-soft); background: var(--teal-darker);
}
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .9s ease; }
.hero-slide.is-active { opacity: 1; }
.hero-slide img, .hero-slide video { width: 100%; height: 100%; object-fit: cover; }
.hero-slide-caption {
  position: absolute; right: 24px; bottom: 24px; left: 24px; background: rgba(10,43,44,.55);
  backdrop-filter: blur(6px); color: #fff; padding: 14px 18px; border-radius: var(--radius-sm);
  display: flex; flex-direction: column; gap: 2px;
}
.hero-slide-caption span { font-size: 13px; opacity: .85; }
.hero-dots { display: flex; gap: 8px; justify-content: center; margin-top: 18px; }
.hero-dots button { width: 9px; height: 9px; border-radius: 50%; border: none; background: var(--border); padding: 0; }
.hero-dots button.is-active { background: var(--gold); width: 24px; border-radius: 6px; transition: width .3s ease; }

/* ================= الشريط المتحرك ================= */
.marquee-strip {
  background: var(--teal-darker); overflow: hidden; padding: 14px 0; border-top: 1px solid var(--teal-mid); border-bottom: 1px solid var(--teal-mid);
}
.marquee-track {
  display: inline-flex; white-space: nowrap; animation: marquee-scroll 32s linear infinite;
}
.marquee-strip:hover .marquee-track { animation-play-state: paused; }
.marquee-item { color: var(--gold-light); font-weight: 600; padding: 0 18px; font-size: 15px; }
.marquee-sep { color: var(--sage); }
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation-duration: 90s; }
}

/* ================= نبذة عن العيادة ================= */
.about { padding: 96px 0; }
.about-inner { display: grid; grid-template-columns: .85fr 1.15fr; gap: 60px; align-items: center; }
.about-media { position: relative; }
.about-media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); aspect-ratio: 5/6; object-fit: cover; }
.about-badge {
  position: absolute; bottom: -18px; right: -18px; background: var(--gold); color: var(--teal-darker);
  padding: 14px 20px; border-radius: var(--radius-md); font-weight: 800; box-shadow: var(--shadow-soft);
  max-width: 220px; font-size: 14px;
}
.about-content h2 { font-size: clamp(28px, 3.4vw, 38px); }

/* ================= عناوين الأقسام العامة ================= */
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 38px); }

/* ================= الأقسام / الخدمات ================= */
.services { padding: 20px 0 96px; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
  display: flex; flex-direction: column; background: var(--white); border-radius: var(--radius-md);
  overflow: hidden; border-bottom: 3px solid transparent; transition: border-color .25s ease, transform .25s ease;
}
.service-card:hover { border-bottom-color: var(--gold); transform: translateY(-4px); }
.service-card-media { aspect-ratio: 16/11; overflow: hidden; }
.service-card-media img { width: 100%; height: 100%; object-fit: cover; }
.service-card-body { padding: 24px 26px 28px; }
.service-card-body h3 { font-size: 19px; margin-bottom: 8px; }
.service-card-body p { font-size: 14px; margin-bottom: 14px; }
.service-card-link { color: var(--gold); font-weight: 700; font-size: 14px; }

/* ================= معرض الصور والفيديو ================= */
.gallery { padding: 20px 0 96px; }
.gallery-grid { columns: 4 260px; column-gap: 18px; }
.gallery-item {
  position: relative; break-inside: avoid; margin-bottom: 18px; border-radius: var(--radius-md);
  overflow: hidden; cursor: pointer; background: var(--teal-darker);
}
.gallery-item img, .gallery-item video { width: 100%; display: block; transition: transform .5s ease; }
.gallery-item:hover img, .gallery-item:hover video { transform: scale(1.05); }
.play-badge {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px; background: rgba(10,43,44,.25);
}
.gallery-caption {
  position: absolute; right: 0; bottom: 0; left: 0; padding: 10px 14px; font-size: 13px; color: #fff;
  background: linear-gradient(to top, rgba(10,43,44,.85), transparent);
}

.lightbox-overlay {
  position: fixed; inset: 0; background: rgba(10,43,44,.9); z-index: 999; display: flex;
  align-items: center; justify-content: center; padding: 30px; opacity: 0; pointer-events: none; transition: opacity .25s ease;
}
.lightbox-overlay.is-open { opacity: 1; pointer-events: auto; }
.lightbox-overlay img, .lightbox-overlay video { max-width: 92vw; max-height: 86vh; border-radius: 12px; }
.lightbox-close {
  position: absolute; top: 22px; left: 26px; background: none; border: none; color: #fff; font-size: 30px; line-height: 1;
}

/* ================= حجز موعد ================= */
.appointment { background: var(--teal-darker); padding: 96px 0; position: relative; overflow: hidden; }
.appointment::before {
  content: ''; position: absolute; width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(203,147,80,.18), transparent 70%); top: -180px; left: -140px;
}
.appointment-inner { position: relative; }
.appointment-head { text-align: center; max-width: 560px; margin: 0 auto 40px; }
.appointment-head h2 { color: #fff; }
.appointment-head p { color: rgba(255,255,255,.7); margin: 0 auto; }

.appointment-form {
  max-width: 760px; margin: 0 auto; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg); padding: 40px; backdrop-filter: blur(6px);
}
.hp-field { position: absolute !important; opacity: 0; height: 0; width: 0; pointer-events: none; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-row.three { grid-template-columns: repeat(3, 1fr); }
.form-group { margin-bottom: 18px; }
.form-group.grow { flex: 1; }
.appointment-form label { display: block; color: rgba(255,255,255,.85); font-size: 14px; font-weight: 600; margin-bottom: 7px; }
.appointment-form input, .appointment-form select, .appointment-form textarea {
  width: 100%; padding: 13px 16px; border-radius: 12px; border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.06); color: #fff; font-size: 15px;
}
.appointment-form input::placeholder, .appointment-form textarea::placeholder { color: rgba(255,255,255,.4); }
.appointment-form input:focus, .appointment-form select:focus, .appointment-form textarea:focus {
  border-color: var(--gold); background: rgba(255,255,255,.09);
}
.appointment-form select option { color: #111; }
.form-note { text-align: center; margin: 14px 0 0; font-weight: 600; min-height: 20px; }
.form-note.success { color: #8FD6B2; }
.form-note.error { color: #F3A796; }

/* ================= الفوتر ================= */
.site-footer { background: var(--teal-dark); color: rgba(255,255,255,.78); padding: 70px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col a:hover { color: var(--gold-light); }
.brand-footer { margin-bottom: 16px; }
.brand-mark-dark { background: rgba(255,255,255,.08); }
.footer-about p { color: rgba(255,255,255,.65); font-size: 14.5px; }
.social-links { display: flex; gap: 10px; margin-top: 14px; }
.social-ico {
  width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.08); color: #fff; transition: background .2s ease;
}
.social-ico:hover { background: var(--gold); color: var(--teal-darker); }
.contact-list a { color: rgba(255,255,255,.78); }

.footer-bottom { padding: 22px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 13.5px; color: rgba(255,255,255,.55); }

.back-to-top {
  position: fixed; bottom: 26px; left: 26px; width: 46px; height: 46px; border-radius: 50%;
  background: var(--gold); color: var(--teal-darker); border: none; font-size: 18px; box-shadow: var(--shadow-soft);
  opacity: 0; pointer-events: none; transform: translateY(10px); transition: all .3s ease; z-index: 150;
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* ================= صفحة القسم الداخلية ================= */
.page-banner {
  position: relative; padding: 130px 0 60px; background-color: var(--teal-darker);
  background-size: cover; background-position: center; color: #fff;
}
.page-banner-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,43,44,.92), rgba(10,43,44,.6)); }
.page-banner-inner { position: relative; }
.page-banner h1 { color: #fff; font-size: clamp(30px, 4vw, 44px); }
.page-banner p { color: rgba(255,255,255,.75); }
.breadcrumb { display: flex; gap: 8px; color: rgba(255,255,255,.6); font-size: 14px; margin-bottom: 16px; }
.breadcrumb a { color: rgba(255,255,255,.85); }

.page-content { padding: 70px 0 100px; }
.page-content-inner { display: grid; grid-template-columns: 1fr 300px; gap: 50px; align-items: start; }
.rich-content { max-width: 72ch; }
.rich-content h2, .rich-content h3 { margin-top: 1.3em; }
.rich-content img { border-radius: var(--radius-md); margin: 20px 0; }
.rich-content ul, .rich-content ol { margin: 0 0 1em; padding-inline-start: 22px; color: var(--text-muted); }
.rich-content li { margin-bottom: 6px; }

.page-cta {
  background: var(--paper-2); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 30px; position: sticky; top: 100px;
}
.page-cta h3 { font-size: 18px; }
.page-cta .btn { margin-bottom: 12px; }

.not-found { padding: 140px 0; text-align: center; }

/* ================= شاشات صغيرة ================= */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-media { max-width: 460px; margin: 0 auto; order: -1; }
  .about-inner { grid-template-columns: 1fr; }
  .about-media { max-width: 420px; margin: 0 auto; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-about { grid-column: 1 / -1; }
  .page-content-inner { grid-template-columns: 1fr; }
  .page-cta { position: static; }
  .gallery-grid { columns: 3 220px; }
}

@media (max-width: 760px) {
  .main-nav {
    position: fixed; inset: 0 0 0 auto; width: min(320px, 82vw); background: var(--teal-darker);
    transform: translateX(100%); transition: transform .3s ease; padding: 90px 28px 28px; z-index: 190;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 22px; }
  .main-nav a { color: #fff; font-size: 18px; }
  .main-nav a::after { background: var(--gold); }
  .nav-toggle { display: flex; }
  .header-actions .btn-accent { padding: 10px 18px; font-size: 14px; }

  .form-row, .form-row.three { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .gallery-grid { columns: 2 160px; }
  .appointment-form { padding: 26px; }
  .about-badge { position: static; margin-top: -30px; margin-inline: auto; width: fit-content; }
}