/* ==========================================================================
   د. حازم أبو النصر — صفحات التخصصات
   نظام تصميم موحد لست صفحات، بلون مميز لكل تخصص
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@500;700;800;900&family=Tajawal:wght@400;500;700&display=swap');

:root{
  /* -- الألوان الأساسية -- */
  --ink:        #0E1F33;   /* كحلي داكن للعناوين والخلفيات الغامقة */
  --ink-soft:   #16314F;
  --paper:      #F5F7FA;   /* خلفية فاتحة */
  --paper-2:    #FFFFFF;
  --slate:      #23303F;   /* نص أساسي */
  --slate-soft: #5B6B7C;   /* نص ثانوي */
  --line:       #DDE3EA;   /* فواصل */

  /* -- لون التخصص (يُستبدل داخل كل صفحة) -- */
  --accent:      #1F9AA0;
  --accent-dark: #167177;
  --accent-tint: #E4F4F3;

  /* -- طبقات وظلال -- */
  --shadow-sm: 0 2px 10px rgba(14,31,51,.06);
  --shadow-md: 0 12px 32px rgba(14,31,51,.10);
  --shadow-lg: 0 24px 60px rgba(14,31,51,.16);

  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 10px;

  --container: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--paper);
  color:var(--slate);
  font-family:'Tajawal', sans-serif;
  direction:rtl;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3,.eyebrow,.stat-num{ font-family:'Cairo', sans-serif; }

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }

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

/* ==========================================================================
   شريط علوي
   ========================================================================== */
.topbar{
  position:sticky; top:0; z-index:50;
  background:rgba(245,247,250,.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar .container{
  display:flex; align-items:center; justify-content:space-between;
  height:72px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-family:'Cairo', sans-serif; font-weight:800; font-size:1.05rem;
  color:var(--ink);
}
.brand span{ color:var(--accent); }
.back-link{
  display:flex; align-items:center; gap:8px;
  font-weight:700; font-size:.92rem; color:var(--ink-soft);
  padding:10px 18px; border-radius:999px;
  border:1px solid var(--line);
  transition:all .25s ease;
}
.back-link svg{ width:16px; height:16px; transition:transform .25s ease; }
.back-link:hover{ background:var(--accent); color:#fff; border-color:var(--accent); }
.back-link:hover svg{ transform:translateX(4px); }

/* ==========================================================================
   قسم البداية Hero
   ========================================================================== */
.hero{
  position:relative;
  padding:64px 0 96px;
  overflow:hidden;
}
.hero::before{
  /* نسيج شبكي خفيف يلمّح لمسارات عصبية */
  content:'';
  position:absolute; inset:0;
  background-image:
    radial-gradient(circle at 14% 20%, var(--accent-tint) 0, transparent 45%),
    radial-gradient(circle at 88% 6%, var(--accent-tint) 0, transparent 40%);
  opacity:.9;
  z-index:0;
}
.hero .container{
  position:relative; z-index:1;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.hero-copy{ order:2; }
.hero-media{ order:1; }

.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-weight:800; font-size:.82rem; letter-spacing:.4px;
  color:var(--accent-dark);
  background:var(--accent-tint);
  padding:8px 16px 8px 12px;
  border-radius:999px;
  opacity:0; transform:translateY(14px);
  animation:riseIn .7s ease forwards;
  animation-delay:.05s;
}
.eyebrow .dot{
  width:8px; height:8px; border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent);
}

.hero h1{
  margin:20px 0 18px;
  font-weight:900;
  font-size:clamp(2rem, 4.2vw, 3.15rem);
  line-height:1.22;
  color:var(--ink);
  opacity:0; transform:translateY(18px);
  animation:riseIn .7s ease forwards;
  animation-delay:.15s;
}
.hero h1 em{
  font-style:normal;
  color:var(--accent-dark);
  position:relative;
  white-space:nowrap;
}

.hero-lead{
  font-size:clamp(1rem, 1.6vw, 1.15rem);
  color:var(--slate-soft);
  max-width:52ch;
  margin:0 0 30px;
  opacity:0; transform:translateY(18px);
  animation:riseIn .7s ease forwards;
  animation-delay:.25s;
}

.chip-row{
  display:flex; flex-wrap:wrap; gap:10px;
  margin-bottom:34px;
  opacity:0; transform:translateY(18px);
  animation:riseIn .7s ease forwards;
  animation-delay:.35s;
}
.chip{
  font-size:.86rem; font-weight:700; color:var(--ink-soft);
  background:var(--paper-2);
  border:1px solid var(--line);
  padding:9px 16px;
  border-radius:999px;
}
.chip b{ color:var(--accent-dark); font-weight:800; }

.hero-ctas{
  display:flex; flex-wrap:wrap; gap:14px;
  opacity:0; transform:translateY(18px);
  animation:riseIn .7s ease forwards;
  animation-delay:.45s;
}
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:15px 26px;
  border-radius:999px;
  font-weight:800; font-size:.95rem;
  cursor:pointer; border:none;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn-primary{
  background:var(--accent); color:#fff;
  box-shadow:0 10px 26px color-mix(in srgb, var(--accent) 40%, transparent);
}
.btn-primary:hover{ transform:translateY(-3px); background:var(--accent-dark); }
.btn-ghost{
  background:transparent; color:var(--ink);
  border:1.5px solid var(--line);
}
.btn-ghost:hover{ border-color:var(--accent); color:var(--accent-dark); transform:translateY(-3px); }

/* -- صورة الهيرو مع تحميل متحرك -- */
.media-frame{
  position:relative;
  aspect-ratio:4/5;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--ink);
  box-shadow:var(--shadow-lg);
  opacity:0; transform:scale(.93) translateY(10px);
  animation:mediaIn .8s cubic-bezier(.22,1,.36,1) forwards;
  animation-delay:.1s;
}
.media-frame::after{
  /* إطار زجاجي خفيف */
  content:'';
  position:absolute; inset:0;
  border-radius:inherit;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
  pointer-events:none;
}
.media-frame img{
  width:100%; height:100%; object-fit:cover;
  opacity:0;
  transition:opacity .6s ease, transform 1.2s ease;
  transform:scale(1.06);
}
.media-frame.is-loaded img{ opacity:1; transform:scale(1); }

.skeleton{
  position:absolute; inset:0;
  background:linear-gradient(115deg, var(--ink) 30%, var(--ink-soft) 50%, var(--ink) 70%);
  background-size:220% 100%;
  animation:shimmer 1.6s ease-in-out infinite;
  display:flex; align-items:center; justify-content:center;
  transition:opacity .5s ease;
}
.media-frame.is-loaded .skeleton{ opacity:0; pointer-events:none; }
.skeleton .pulse-ring{
  width:64px; height:64px; border-radius:50%;
  border:2.5px solid rgba(255,255,255,.18);
  border-top-color:var(--accent);
  animation:spin 1s linear infinite;
}

.media-badge{
  position:absolute; bottom:18px; inset-inline-start:18px;
  display:flex; align-items:center; gap:10px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(6px);
  padding:10px 16px; border-radius:999px;
  font-weight:800; font-size:.8rem; color:var(--ink);
  box-shadow:var(--shadow-sm);
  opacity:0; transform:translateY(10px);
  transition:opacity .5s ease .3s, transform .5s ease .3s;
}
.media-frame.is-loaded .media-badge{ opacity:1; transform:translateY(0); }
.media-badge .dot{ width:8px; height:8px; border-radius:50%; background:var(--accent); }

/* ==========================================================================
   الخط العصبي الفاصل — العنصر المميز المشترك بين الصفحات
   ========================================================================== */
.nerve-divider{
  width:100%; height:56px;
  margin:6px 0;
  overflow:visible;
}
.nerve-divider path{
  fill:none;
  stroke:var(--line);
  stroke-width:2;
}
.nerve-divider path.active{
  stroke:var(--accent);
  stroke-dasharray:6 10;
  stroke-linecap:round;
  stroke-dashoffset:0;
  animation:dashFlow 6s linear infinite;
}
.nerve-divider circle{ fill:var(--accent); opacity:0; transition:opacity .4s ease; }
.nerve-divider.in-view circle{ opacity:1; }

/* ==========================================================================
   أقسام المحتوى
   ========================================================================== */
.section{ padding:22px 0; }
.section-head{
  max-width:640px;
  margin:0 auto 44px;
  text-align:center;
}
.section-head .eyebrow{ animation:none; opacity:1; transform:none; margin-bottom:14px; }
.section-head h2{
  font-size:clamp(1.5rem, 2.6vw, 2rem);
  font-weight:900; color:var(--ink); margin:0 0 12px;
}
.section-head p{ color:var(--slate-soft); margin:0; font-size:1rem; }

/* -- شبكة البطاقات (الأسباب/الأنواع/الأعراض...) -- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:20px;
}
.info-card{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:28px 24px;
  opacity:0; transform:translateY(24px);
  transition:opacity .6s ease, transform .6s cubic-bezier(.22,1,.36,1), box-shadow .3s ease, border-color .3s ease;
}
.info-card.in-view{ opacity:1; transform:translateY(0); }
.info-card:hover{ box-shadow:var(--shadow-md); border-color:color-mix(in srgb, var(--accent) 35%, var(--line)); transform:translateY(-4px); }
.info-card .idx{
  display:inline-flex; align-items:center; justify-content:center;
  width:38px; height:38px; border-radius:11px;
  background:var(--accent-tint); color:var(--accent-dark);
  font-weight:900; font-size:.95rem;
  margin-bottom:16px;
}
.info-card h3{ margin:0 0 10px; font-size:1.05rem; font-weight:800; color:var(--ink); }
.info-card p{ margin:0; color:var(--slate-soft); font-size:.94rem; }

/* -- قسم بخلفية غامقة: التعريف / اقتباس طبي -- */
.section-dark{
  background:var(--ink);
  color:#fff;
  border-radius:var(--radius-lg);
  padding:56px clamp(24px, 5vw, 64px);
  position:relative;
  overflow:hidden;
}
.section-dark::before{
  content:'';
  position:absolute; inset:0;
  background:radial-gradient(circle at 85% 0%, color-mix(in srgb, var(--accent) 35%, transparent), transparent 55%);
}
.section-dark .container-inner{ position:relative; z-index:1; max-width:760px; }
.section-dark .eyebrow{ background:rgba(255,255,255,.1); color:#fff; opacity:1; transform:none; animation:none; }
.section-dark h2{ font-size:clamp(1.4rem,2.6vw,1.9rem); font-weight:900; margin:16px 0 18px; }
.section-dark p{ color:rgba(255,255,255,.78); font-size:1.02rem; margin:0; }

/* -- قائمة خطوات (التشخيص / العلاج) -- */
.step-list{
  display:flex; flex-direction:column; gap:0;
  border-radius:var(--radius-md);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--paper-2);
}
.step-item{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:20px;
  padding:26px 28px;
  border-bottom:1px solid var(--line);
  opacity:0; transform:translateX(24px);
  transition:opacity .6s ease, transform .6s cubic-bezier(.22,1,.36,1);
}
[dir="rtl"] .step-item, .step-item{ transform:translateX(24px); }
.step-item.in-view{ opacity:1; transform:translateX(0); }
.step-item:last-child{ border-bottom:none; }
.step-num{
  font-family:'Cairo', sans-serif;
  font-weight:900; font-size:1.6rem;
  color:var(--accent);
  opacity:.55;
  min-width:44px;
}
.step-item h3{ margin:2px 0 8px; font-size:1.05rem; font-weight:800; color:var(--ink); }
.step-item p{ margin:0; color:var(--slate-soft); font-size:.95rem; }

/* -- تنبيه/نصيحة الطبيب -- */
.advice-box{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:22px;
  align-items:flex-start;
  background:var(--accent-tint);
  border:1px solid color-mix(in srgb, var(--accent) 25%, var(--accent-tint));
  border-radius:var(--radius-md);
  padding:28px 30px;
}
.advice-box .icon{
  width:46px; height:46px; border-radius:13px;
  background:var(--accent); color:#fff;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.advice-box h3{ margin:0 0 8px; font-size:1.05rem; font-weight:800; color:var(--ink); }
.advice-box p{ margin:0; color:var(--slate-soft); font-size:.95rem; }

/* ==========================================================================
   قسم التواصل الختامي
   ========================================================================== */
.cta-final{
  background:linear-gradient(155deg, var(--ink) 0%, var(--ink-soft) 100%);
  border-radius:var(--radius-lg);
  padding:60px clamp(24px,6vw,72px);
  text-align:center;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-final::after{
  content:'';
  position:absolute; inset:0;
  background:radial-gradient(circle at 12% 100%, color-mix(in srgb, var(--accent) 30%, transparent), transparent 50%);
}
.cta-final .inner{ position:relative; z-index:1; max-width:600px; margin-inline:auto; }
.cta-final h2{ font-size:clamp(1.5rem,3vw,2.1rem); font-weight:900; margin:0 0 14px; }
.cta-final p{ color:rgba(255,255,255,.75); margin:0 0 30px; }
.cta-btns{ display:flex; justify-content:center; flex-wrap:wrap; gap:14px; }
.btn-light{ background:#fff; color:var(--ink); }
.btn-light:hover{ transform:translateY(-3px); background:var(--accent); color:#fff; }
.btn-outline-light{ border:1.5px solid rgba(255,255,255,.3); color:#fff; background:transparent; }
.btn-outline-light:hover{ border-color:#fff; background:var(--ink-soft); color:#fff; transform:translateY(-3px); }

/* ==========================================================================
   الفوتر البسيط
   ========================================================================== */
.mini-footer{
  padding:34px 0 50px;
  text-align:center;
  color:var(--slate-soft);
  font-size:.85rem;
}

/* ==========================================================================
   حركات الدخول Keyframes
   ========================================================================== */
@keyframes riseIn{ to{ opacity:1; transform:translateY(0); } }
@keyframes mediaIn{ to{ opacity:1; transform:scale(1) translateY(0); } }
@keyframes shimmer{ 0%{background-position:0% 0;} 100%{background-position:-220% 0;} }
@keyframes spin{ to{ transform:rotate(360deg); } }
@keyframes dashFlow{ to{ stroke-dashoffset:-160; } }

/* ==========================================================================
   استجابة للشاشات Responsive
   ========================================================================== */
@media (max-width:1080px){
  .card-grid{ grid-template-columns:repeat(2, 1fr); }
}

@media (max-width:900px){
  .hero .container{ grid-template-columns:1fr; gap:40px; }
  .hero-copy{ order:1; }
  .hero-media{ order:2; }
  .media-frame{ aspect-ratio:16/10; max-width:520px; margin-inline:auto; }
  .hero-lead{ max-width:none; }
}

@media (max-width:680px){
  .container{ padding-inline:18px; }
  .topbar .container{ height:64px; }
  .brand{ font-size:.92rem; }
  .back-link span{ display:none; }
  .back-link{ padding:10px 12px; }
  .hero{ padding:36px 0 64px; }
  .card-grid{ grid-template-columns:1fr; }
  .step-item{ grid-template-columns:auto 1fr; padding:22px 20px; gap:14px; }
  .step-num{ font-size:1.3rem; min-width:32px; }
  .section-dark, .cta-final{ padding:40px 24px; border-radius:20px; }
  .advice-box{ grid-template-columns:1fr; text-align:center; }
  .advice-box .icon{ margin-inline:auto; }
  .cta-btns{ flex-direction:column; }
  .btn{ width:100%; justify-content:center; }
}

@media (min-width:900px) and (max-width:1180px){
  .hero .container{ gap:38px; }
}

/* تفضيل تقليل الحركة */
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* ==========================================================================
   إصلاح إضافي لملاءمة الشاشات الصغيرة جدًا (الموبايل)
   ========================================================================== */
@media (max-width: 680px){
  .topbar .container{ flex-wrap:nowrap !important; }
  .brand{
    display:flex !important;
    white-space:nowrap !important;
    overflow:hidden !important;
    text-overflow:ellipsis !important;
    max-width:58vw !important;
    font-size:.86rem !important;
  }
  .brand > span{ display:none !important; } /* إخفاء اسم التخصص الطويل، وإبقاء اسم الدكتور فقط */
}

@media (max-width: 420px){
  .container{ padding-inline:14px; }
  .topbar .container{ height:60px; }
  .hero{ padding:26px 0 46px; }
  .hero h1{ font-size:1.55rem; line-height:1.32; }
  .hero-lead{ font-size:.93rem; }
  .chip{ font-size:.78rem; padding:7px 12px; }
  .eyebrow{ font-size:.74rem; padding:7px 12px 7px 10px; }
  .btn{ padding:12px 18px; font-size:.86rem; }
  .media-frame{ border-radius:18px; }
  .section-dark, .cta-final{ padding:30px 18px; }
}

/* ==========================================================================
   إضافات: شريط SEO علوي، ملاحظة توثيق المحتوى، نافذة اختيار المحافظة
   ========================================================================== */
.seo-ribbon{
  background:var(--ink);
  color:#fff;
}
.seo-ribbon .container{
  padding-block:9px;
  text-align:center;
}
.seo-ribbon span{
  font-family:'Cairo', sans-serif;
  font-weight:800;
  font-size:.82rem;
  letter-spacing:.2px;
  color:#fff;
}

.disclaimer-note{
  margin:14px auto 0;
  max-width:640px;
  font-size:.78rem;
  color:var(--slate-soft);
  opacity:.85;
  line-height:1.7;
}

.gov-modal-overlay{
  position:fixed; inset:0; z-index:200;
  background:rgba(14,31,51,.55);
  backdrop-filter:blur(3px);
  display:flex; align-items:center; justify-content:center;
  padding:20px;
  animation:overlayIn .25s ease;
}
.gov-modal-overlay[hidden]{ display:none; }
.gov-modal{
  position:relative;
  background:var(--paper-2);
  border-radius:var(--radius-md);
  padding:34px 30px 28px;
  max-width:380px; width:100%;
  text-align:center;
  box-shadow:var(--shadow-lg);
  animation:modalIn .3s cubic-bezier(.22,1,.36,1);
}
.gov-modal-close{
  position:absolute; top:14px; inset-inline-start:14px;
  width:32px; height:32px; border-radius:50%;
  border:none; background:var(--paper);
  color:var(--slate-soft);
  font-size:1.3rem; line-height:1;
  cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition:background .2s ease, color .2s ease;
}
.gov-modal-close:hover{ background:var(--accent-tint); color:var(--accent-dark); }
.gov-modal h3{
  margin:6px 0 8px; font-size:1.15rem; font-weight:800; color:var(--ink);
}
.gov-modal-sub{ margin:0 0 22px; color:var(--slate-soft); font-size:.88rem; }
.gov-modal-options{ display:flex; gap:12px; }
.gov-option{
  flex:1;
  padding:14px 10px;
  border-radius:14px;
  border:1.5px solid var(--line);
  background:var(--paper);
  font-family:'Cairo', sans-serif; font-weight:800; font-size:.95rem;
  color:var(--ink);
  cursor:pointer;
  transition:all .25s ease;
}
.gov-option:hover{ border-color:var(--accent); background:var(--accent-tint); color:var(--accent-dark); transform:translateY(-2px); }
.gov-modal-note{
  margin:20px 0 0;
  padding:14px 16px;
  background:var(--accent-tint);
  border-radius:12px;
  font-size:.85rem;
  color:var(--ink-soft);
  line-height:1.7;
  text-align:right;
}
.gov-modal-note[hidden]{ display:none; }

@keyframes overlayIn{ from{ opacity:0; } to{ opacity:1; } }
@keyframes modalIn{ from{ opacity:0; transform:scale(.92) translateY(10px); } to{ opacity:1; transform:scale(1) translateY(0); } }

@media (max-width:480px){
  .gov-modal{ padding:28px 22px 24px; }
  .gov-modal-options{ flex-direction:column; }
}