/* ========================================
   Clinic Management System - Promotional Site
   ======================================== */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#2563EB;
  --primary-dark:#1D4ED8;
  --primary-light:#3B82F6;
  --primary-bg:#EFF6FF;
  --accent:#0D9488;
  --accent-light:#14B8A6;
  --accent-bg:#F0FDFA;
  --dark:#0F172A;
  --dark2:#1E293B;
  --dark3:#334155;
  --text:#475569;
  --text-light:#94A3B8;
  --border:#E2E8F0;
  --bg:#F8FAFC;
  --white:#FFFFFF;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 1px 3px rgba(0,0,0,.06);
  --shadow:0 4px 24px rgba(0,0,0,.08);
  --shadow-lg:0 20px 48px rgba(0,0,0,.12);
  --font-zh:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --font-ug:'Noto Naskh Arabic','Microsoft Uighur','UKIJ Tuz Tom',serif;
  --nav-h:56px;
}

@font-face{
  font-family:'Noto Naskh Arabic';
  src:url('../fonts/NotoNaskhArabic-Regular.ttf') format('truetype');
  font-weight:400;font-style:normal;font-display:swap;
}
@font-face{
  font-family:'Noto Naskh Arabic';
  src:url('../fonts/NotoNaskhArabic-Bold.ttf') format('truetype');
  font-weight:700;font-style:normal;font-display:swap;
}

html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:var(--font-zh);
  color:var(--dark);
  background:var(--bg);
  overflow-x:hidden;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}

/* --- Bilingual Page Mode --- */
[data-lang="ug"]{
  direction:rtl;
  font-family:var(--font-ug),var(--font-zh),sans-serif;
  line-height:1.9;
}
[data-lang="zh"] .ug-only{display:none!important}
[data-lang="ug"] .zh-only{display:none!important}
[data-lang="ug"] .force-ltr{direction:ltr;text-align:left}
[data-lang="ug"] .nav-brand{direction:ltr}
[data-lang="ug"] .mobile-frame{direction:ltr}
[data-lang="ug"] .hero-image{direction:ltr}

.container{max-width:1120px;margin:0 auto;padding:0 24px}

/* --- Animations --- */
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}
.reveal.d2{transition-delay:.2s}
.reveal.d3{transition-delay:.3s}
.reveal.d4{transition-delay:.4s}

/* ========================================
   Navigation
   ======================================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:var(--nav-h);
  display:flex;align-items:center;
  transition:background .3s,box-shadow .3s;
  background:rgba(255,255,255,.75);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.nav.scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:0 1px 8px rgba(0,0,0,.06);
}
.nav .container{
  display:flex;align-items:center;justify-content:space-between;
  width:100%;
}
.nav-brand{
  font-size:15px;font-weight:700;color:var(--dark);
  display:flex;align-items:center;gap:8px;
  white-space:nowrap;flex-shrink:0;
}
.nav-brand .icon{
  width:30px;height:30px;flex-shrink:0;
}
.nav-brand .icon img{
  width:100%;height:100%;object-fit:contain;
  border-radius:6px;
}
.nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0}

.lang-switch{
  display:flex;align-items:center;
  background:var(--white);border:1px solid var(--border);
  border-radius:8px;overflow:hidden;
  box-shadow:0 1px 2px rgba(0,0,0,.04);
}
.lang-switch button{
  padding:6px 14px;border:none;background:none;
  cursor:pointer;font-size:13px;font-weight:500;
  transition:all .2s;color:var(--text);
  font-family:inherit;line-height:1.3;
}
.lang-switch button.active{
  background:var(--primary);color:#fff;
}
.lang-switch button:not(.active):hover{
  background:var(--primary-bg);color:var(--primary);
}
[data-lang="ug"] .lang-switch button{font-family:var(--font-ug),sans-serif}

.nav-cta{
  display:none;
  padding:7px 18px;border-radius:8px;
  background:var(--primary);color:#fff;
  font-size:13px;font-weight:600;
  border:none;cursor:pointer;
  transition:all .2s;white-space:nowrap;
}
.nav-cta:hover{background:var(--primary-dark);transform:translateY(-1px)}

/* ========================================
   Hero Section
   ======================================== */
.hero{
  padding:calc(var(--nav-h) + 40px) 0 64px;
  background:linear-gradient(170deg,#EFF6FF 0%,#F0FDFA 50%,var(--bg) 100%);
  position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;top:-40%;right:-15%;
  width:500px;height:500px;border-radius:50%;
  background:radial-gradient(circle,rgba(37,99,235,.05) 0%,transparent 70%);
  pointer-events:none;
}
.hero .container{text-align:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 20px;border-radius:24px;
  background:var(--white);border:1px solid var(--border);
  font-size:13px;color:var(--text);margin-bottom:24px;
  box-shadow:var(--shadow-sm);font-weight:500;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero h1{
  font-size:clamp(24px,5vw,48px);
  font-weight:800;line-height:1.25;
  color:var(--dark);margin-bottom:16px;
}
.hero h1 .gradient{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-desc{
  font-size:clamp(14px,2.5vw,18px);
  color:var(--text);max-width:640px;margin:0 auto 32px;
  line-height:1.8;
}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:40px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 28px;border-radius:10px;
  font-size:15px;font-weight:600;
  border:none;cursor:pointer;transition:all .2s;
  font-family:inherit;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(37,99,235,.3)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 6px 20px rgba(37,99,235,.4)}
.btn-outline{background:var(--white);color:var(--dark);border:1px solid var(--border)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}

.hero-image{
  max-width:880px;margin:0 auto;border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-lg);
  border:1px solid rgba(0,0,0,.08);
  background:var(--white);cursor:pointer;
}
.hero-image img{width:100%;display:block}

/* ========================================
   Section Common
   ======================================== */
.section{padding:72px 0}
.section-header{text-align:center;margin-bottom:40px}
.section-tag{
  display:inline-block;padding:4px 14px;border-radius:16px;
  font-size:12px;font-weight:600;letter-spacing:.5px;
  text-transform:uppercase;margin-bottom:12px;
}
.tag-blue{background:var(--primary-bg);color:var(--primary)}
.tag-teal{background:var(--accent-bg);color:var(--accent)}
.tag-dark{background:var(--dark);color:#fff}
.section-title{
  font-size:clamp(20px,4vw,34px);
  font-weight:700;color:var(--dark);margin-bottom:12px;
  line-height:1.3;
}
.section-desc{
  font-size:15px;color:var(--text);max-width:560px;margin:0 auto;
}

/* ========================================
   Bilingual Demo
   ======================================== */
.bilingual-section{background:var(--white)}
.demo-wrapper{
  max-width:900px;margin:0 auto;
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);border:1px solid var(--border);
  background:var(--white);
}
.demo-tabs{
  display:flex;border-bottom:1px solid var(--border);
  background:#F8FAFC;
}
.demo-tab{
  flex:1;padding:12px 8px;text-align:center;
  font-size:13px;font-weight:600;
  cursor:pointer;border:none;background:none;
  color:var(--text);transition:all .2s;
  font-family:inherit;border-bottom:2px solid transparent;
}
.demo-tab.active{color:var(--primary);border-bottom-color:var(--primary);background:var(--white)}
.demo-screenshots{position:relative;overflow:hidden;background:#F1F5F9}
.demo-shot{
  display:none;
}
.demo-shot.active{display:block}
.demo-shot img{width:100%;display:block;cursor:pointer}

.bilingual-features{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  max-width:800px;margin:28px auto 0;
}
.bi-feat{
  text-align:center;padding:18px 12px;
  border-radius:var(--radius);background:var(--white);
  border:1px solid var(--border);
}
.bi-feat .emoji{font-size:24px;margin-bottom:6px}
.bi-feat h4{font-size:13px;font-weight:600;margin-bottom:4px}
.bi-feat p{font-size:12px;color:var(--text)}

/* (carousel removed - replaced by desk-grid) */

/* ========================================
   Desktop Feature Showcase Grid
   ======================================== */
.desk-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;
}
.desk-card{
  display:flex;gap:16px;
  padding:16px;border-radius:var(--radius);
  background:var(--white);border:1px solid var(--border);
  transition:all .3s;
  overflow:hidden;
}
.desk-card:hover{
  box-shadow:var(--shadow);border-color:var(--primary-bg);
}
.desk-img{
  width:200px;flex-shrink:0;border-radius:8px;
  overflow:hidden;border:1px solid var(--border);
  cursor:pointer;
}
.desk-img img{width:100%;height:100%;object-fit:cover;object-position:top left;display:block}
.desk-info{flex:1;display:flex;flex-direction:column;justify-content:center}
.desk-info h3{font-size:15px;font-weight:600;color:var(--dark);margin-bottom:6px}
.desk-info p{font-size:12px;color:var(--text);line-height:1.6}

@media(max-width:767px){
  .desk-grid{grid-template-columns:1fr}
  .desk-card{flex-direction:column}
  .desk-img{width:100%;height:160px}
}
@media(max-width:480px){
  .desk-img{height:130px}
}

/* ========================================
   Features Grid
   ======================================== */
.features-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
}
.feature-card{
  padding:24px 20px;border-radius:var(--radius);
  background:var(--white);border:1px solid var(--border);
  transition:all .3s;
}
.feature-card:hover{
  border-color:var(--primary-bg);
  box-shadow:var(--shadow);transform:translateY(-2px);
}
.feature-icon{
  width:40px;height:40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:14px;
}
.fi-blue{background:var(--primary-bg);color:var(--primary)}
.fi-teal{background:var(--accent-bg);color:var(--accent)}
.fi-amber{background:#FEF3C7;color:#D97706}
.fi-rose{background:#FFF1F2;color:#E11D48}
.fi-purple{background:#F3E8FF;color:#7C3AED}
.fi-green{background:#DCFCE7;color:#16A34A}
.feature-card h3{font-size:15px;font-weight:600;margin-bottom:6px;color:var(--dark)}
.feature-card p{font-size:13px;color:var(--text);line-height:1.6}

/* ========================================
   Device Tags
   ======================================== */
.device-tags{
  display:flex;justify-content:center;gap:10px;
  margin-top:28px;flex-wrap:wrap;
}
.device-tag{
  padding:7px 16px;border-radius:20px;
  background:var(--bg);border:1px solid var(--border);
  font-size:12px;color:var(--text);
  display:flex;align-items:center;gap:6px;
}
.device-tag .check{color:var(--accent)}

/* ========================================
   Security Section
   ======================================== */
.security-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;
}
.sec-card{
  padding:24px;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--bg);
  display:flex;gap:14px;
}
.sec-icon{
  width:44px;height:44px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;flex-shrink:0;
  background:var(--white);border:1px solid var(--border);
}
.sec-card h3{font-size:14px;font-weight:600;margin-bottom:4px;color:var(--dark)}
.sec-card p{font-size:13px;color:var(--text);line-height:1.6}

/* ========================================
   Mobile Showcase
   ======================================== */
.mobile-showcase{
  display:flex;gap:16px;justify-content:center;
  flex-wrap:wrap;
}
.mobile-card{text-align:center}
.mobile-frame{
  width:160px;height:320px;
  border-radius:22px;overflow:hidden;
  border:3px solid var(--dark);
  background:var(--dark);position:relative;
  box-shadow:var(--shadow-lg);cursor:pointer;
}
.mobile-notch{
  position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:70px;height:18px;
  background:var(--dark);border-radius:0 0 10px 10px;
  z-index:2;
}
.mobile-frame img{
  width:100%;height:100%;object-fit:cover;
  object-position:top;
}
.mobile-ph{
  width:100%;height:100%;
  display:flex;align-items:center;justify-content:center;
  text-align:center;font-size:12px;
  color:var(--text-light);background:#F1F5F9;
  padding:16px;
}
.mobile-label{
  margin-top:10px;font-size:12px;font-weight:600;
  color:var(--dark);
}

/* ========================================
   Lightbox
   ======================================== */
.lightbox{
  display:none;position:fixed;inset:0;z-index:9999;
  background:rgba(0,0,0,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  align-items:center;justify-content:center;
  padding:0;cursor:default;
  touch-action:none;
  -webkit-user-select:none;user-select:none;
}
.lightbox.active{display:flex}
.lightbox img{
  max-width:96vw;max-height:92vh;
  object-fit:contain;border-radius:4px;
  cursor:default;
  will-change:transform;
  transform-origin:0 0;
  -webkit-user-drag:none;
}
.lightbox-close{
  position:absolute;top:12px;right:12px;
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.15);
  color:#fff;font-size:20px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s,transform .15s;
  z-index:10;
  -webkit-tap-highlight-color:transparent;
}
.lightbox-close:hover,.lightbox-close:active{background:rgba(255,255,255,.25);transform:scale(1.1)}
.lightbox-zoom{
  position:absolute;bottom:max(16px,env(safe-area-inset-bottom,16px));left:50%;transform:translateX(-50%);
  display:flex;gap:6px;z-index:10;
  background:rgba(0,0,0,.4);border-radius:28px;padding:4px;
  border:1px solid rgba(255,255,255,.1);
}
.lightbox-zoom button{
  width:42px;height:42px;border-radius:50%;
  background:transparent;border:none;
  color:#fff;font-size:20px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s;
  -webkit-tap-highlight-color:transparent;
}
.lightbox-zoom button:hover,.lightbox-zoom button:active{background:rgba(255,255,255,.18)}
.lightbox-hint{
  position:absolute;bottom:max(72px,calc(env(safe-area-inset-bottom,16px) + 56px));left:50%;transform:translateX(-50%);
  font-size:12px;color:rgba(255,255,255,.4);
  white-space:nowrap;
  pointer-events:none;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section{
  background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);
  color:#fff;text-align:center;
  padding:72px 0;
}
.cta-section h2{
  font-size:clamp(20px,4vw,32px);font-weight:700;margin-bottom:12px;
}
.cta-section p{
  font-size:15px;opacity:.85;max-width:480px;margin:0 auto 28px;
}
.btn-white{
  background:#fff;color:var(--primary);
  box-shadow:0 4px 16px rgba(0,0,0,.15);
}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(0,0,0,.2)}
.contact-cards{
  display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:16px;
}
.contact-card{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.2);
  border-radius:14px;padding:20px 32px;min-width:180px;
  color:#fff;text-decoration:none;
  transition:background .2s,transform .15s;
  -webkit-tap-highlight-color:transparent;
}
.contact-card:hover,.contact-card:active{background:rgba(255,255,255,.22);transform:translateY(-2px)}
.contact-icon{font-size:28px;margin-bottom:2px}
.contact-label{font-size:13px;opacity:.7}
.contact-value{font-size:18px;font-weight:700;letter-spacing:.5px;direction:ltr;unicode-bidi:embed;text-align:center}
.contact-note{font-size:13px;opacity:.6;margin-top:4px}

/* ========================================
   Footer
   ======================================== */
.footer{
  background:var(--dark);color:rgba(255,255,255,.5);
  padding:20px 0;text-align:center;font-size:12px;
}

/* ========================================
   Responsive
   ======================================== */
@media(min-width:768px){
  :root{--nav-h:64px}
  .nav-cta{display:inline-flex}
}
@media(max-width:1024px){
  .features-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767px){
  .section{padding:48px 0}
  .hero{padding:calc(var(--nav-h) + 28px) 0 48px}
  .features-grid{grid-template-columns:1fr}
  .bilingual-features{grid-template-columns:1fr}
  .security-grid{grid-template-columns:1fr}
  .demo-tab{font-size:12px;padding:10px 6px}
  
  .nav-brand .brand-text{display:none}
  .lang-switch button{padding:6px 12px;font-size:12px}
  .hero-actions .btn{padding:10px 20px;font-size:14px}

  .mobile-frame{width:130px;height:260px;border-radius:18px}
  .mobile-showcase{gap:10px}
}
@media(max-width:480px){
  .container{padding:0 16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn{justify-content:center}
  .demo-tab{font-size:11px;padding:10px 4px}
  .mobile-frame{width:110px;height:220px;border-radius:16px}
  .mobile-notch{width:50px;height:14px}
  .lightbox-close{width:48px;height:48px;font-size:24px;top:max(12px,env(safe-area-inset-top,12px));right:12px}
}