/* ==========================================================================
   Dr. Mansour Aljishi — Orthopaedic & Spine Surgeon
   Stylesheet. Organized as: Tokens → Base → Layout → Components → Sections → Responsive
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root{
  /* Colors */
  --navy-900:#0F1F33;
  --navy-800:#152C46;
  --navy-700:#1C3A5C;
  --teal-600:#2E7D6B;
  --teal-500:#3FA88F;
  --teal-100:#E3F1EC;
  --paper:#F7F9FB;
  --white:#FFFFFF;
  --ink:#16232F;
  --ink-soft:#54626F;
  --ink-faint:#8593A0;
  --line:#E3E8EE;
  --line-dark:rgba(255,255,255,.14);

  /* Type */
  --font-display:'Fraunces', 'Playfair Display', Georgia, serif;
  --font-body:'Inter', 'Noto Sans Arabic', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Layout */
  --container:1180px;
  --radius-lg:28px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-card:0 10px 30px -18px rgba(15,31,51,.25);
  --shadow-soft:0 4px 18px -8px rgba(15,31,51,.15);
}

/* ---------- Reset / base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--navy-900);line-height:1.15;font-weight:600;}
:focus-visible{outline:2px solid var(--teal-500);outline-offset:3px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:24px;
}
section{padding-block:96px;}
.section-tight{padding-block:64px;}

.eyebrow{
  display:inline-block;
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--teal-600);
  margin-bottom:14px;
}
.eyebrow.on-dark{color:var(--teal-500);}

.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{font-size:clamp(1.7rem,3vw,2.4rem);margin-bottom:14px;}
.section-head p{color:var(--ink-soft);font-size:1.05rem;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 26px;
  border-radius:999px;
  font-weight:600;
  font-size:.95rem;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex-shrink:0;transition:transform .18s ease;}
.btn:hover svg{transform:translateX(3px);}
.btn-primary{background:var(--navy-900);color:var(--white);}
.btn-primary:hover{background:var(--navy-700);box-shadow:var(--shadow-soft);}
.btn-outline{background:transparent;color:var(--navy-900);border:1.5px solid var(--navy-900);}
.btn-outline:hover{background:var(--navy-900);color:var(--white);}
.btn-outline.on-dark{color:var(--white);border-color:var(--line-dark);}
.btn-outline.on-dark:hover{background:var(--white);color:var(--navy-900);}
.btn-teal{background:var(--teal-600);color:var(--white);}
.btn-teal:hover{background:var(--teal-500);box-shadow:var(--shadow-soft);}
.btn-block{width:100%;justify-content:center;}
.btn[disabled]{opacity:.6;cursor:not-allowed;}

/* ---------- Header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,249,251,.88);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding-block:18px;
}
.brand{
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.05rem;
  letter-spacing:.02em;
  color:var(--navy-900);
}
.brand span{color:var(--teal-600);}
.nav-links{display:flex;align-items:center;gap:36px;}
.nav-links a{
  font-size:.95rem;font-weight:500;color:var(--ink);
  position:relative;padding-block:4px;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--teal-600);
  transition:width .2s ease;
}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-links a.active{color:var(--navy-900);font-weight:700;}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-cta .btn{padding:11px 20px;font-size:.88rem;}
.language-switch{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:42px;
  min-height:38px;
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--white);
  color:var(--navy-900);
  font-size:.82rem;
  font-weight:700;
  line-height:1;
  transition:background .18s ease, border-color .18s ease, color .18s ease;
}
.language-switch:hover{background:var(--teal-100);border-color:var(--teal-500);}
.mobile-nav .language-switch{
  align-self:flex-start;
  margin-top:24px;
  border-color:var(--line-dark);
  background:var(--line-dark);
  color:var(--white);
}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--navy-900);
  color:var(--white);
}
.nav-toggle svg{width:20px;height:20px;}

/* Mobile nav panel */
.mobile-nav{
  display:none;
  position:fixed;inset:0;
  background:var(--navy-900);
  z-index:200;
  padding:28px 24px;
  flex-direction:column;
}
.mobile-nav.open{display:flex;}
.mobile-nav-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:48px;}
.mobile-nav-top .brand{color:var(--white);}
.mobile-nav-top .brand span{color:var(--teal-500);}
.mobile-nav-close{width:42px;height:42px;border-radius:10px;background:var(--line-dark);display:flex;align-items:center;justify-content:center;color:var(--white);}
.mobile-nav-close svg{width:18px;height:18px;}
.mobile-nav-links{display:flex;flex-direction:column;gap:8px;margin-bottom:auto;}
.mobile-nav-links a{
  font-family:var(--font-display);
  font-size:1.7rem;color:var(--white);padding-block:12px;
  border-bottom:1px solid var(--line-dark);
}
.mobile-nav .nav-cta{flex-direction:column;align-items:stretch;margin-top:32px;gap:12px;}
.mobile-nav .nav-cta .btn{padding:16px;}

/* ---------- Hero ---------- */
.hero{padding-block:72px 40px;}
.hero .container{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.hero h1{font-size:clamp(2.5rem,5vw,3.6rem);margin-block:18px 22px;}
.hero-lede{font-size:1.1rem;color:var(--ink-soft);max-width:520px;margin-bottom:34px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px 16px;}
.hero-media{position:relative;}
.hero-media .glow{
  position:absolute;inset:-6%;
  background:radial-gradient(circle at 60% 30%, var(--teal-100), transparent 65%);
  border-radius:50%;
  z-index:0;
}
.hero-media img{
  position:relative;z-index:1;
  border-radius:var(--radius-lg);
  width:100%;aspect-ratio:4/4.6;object-fit:cover;object-position:top center;
  box-shadow:var(--shadow-card);
}
.hero-badge{
  position:absolute;left:0;bottom:22px;z-index:2;
  background:var(--navy-800);color:var(--white);
  padding:12px 20px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:.85rem;font-weight:600;
  display:flex;align-items:center;gap:8px;
  box-shadow:var(--shadow-soft);
}

/* ---------- Philosophy / dark panel ---------- */
.panel-dark{
  background:var(--navy-900);color:var(--white);
  border-radius:var(--radius-lg);
  padding:56px;
  display:grid;grid-template-columns:1fr 1fr;gap:56px;
}
.panel-dark h2{color:var(--white);font-size:clamp(1.7rem,3vw,2.3rem);margin-bottom:18px;}
.panel-dark > div:first-child p{color:rgba(255,255,255,.72);}
.approach-list{display:flex;flex-direction:column;}
.approach-item{
  display:grid;grid-template-columns:1fr auto;gap:16px;align-items:start;
  padding-block:20px;border-top:1px solid var(--line-dark);
}
.approach-item:last-child{border-bottom:1px solid var(--line-dark);}
.approach-item h3{color:var(--white);font-size:1.02rem;font-family:var(--font-body);font-weight:700;margin-bottom:6px;}
.approach-item p{color:rgba(255,255,255,.72);font-size:.96rem;}
.approach-num{font-family:var(--font-display);font-size:1.3rem;color:var(--teal-500);}

/* ---------- Expertise grid ---------- */
.expertise-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.expertise-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:32px 28px;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.expertise-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:transparent;}
.expertise-card h3{font-size:1.2rem;margin-bottom:10px;}
.expertise-card p{color:var(--ink-soft);font-size:.95rem;}

/* ---------- About ---------- */
.about-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center;}
.about-media img{border-radius:var(--radius-lg);width:100%;object-fit:cover;aspect-ratio:4/4.8;box-shadow:var(--shadow-card);}
.about-copy p{color:var(--ink-soft);margin-bottom:16px;font-size:1.02rem;}
.credentials-row{display:flex;gap:28px;margin-top:28px;flex-wrap:wrap;}
.credential{border-left:2px solid var(--teal-600);padding-left:14px;}
.credential strong{display:block;font-family:var(--font-display);font-size:1.4rem;color:var(--navy-900);}
.credential span{font-size:.85rem;color:var(--ink-soft);}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-top:8px;}
.timeline-track{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-bottom:44px;
}
.timeline-track::before{
  content:"";position:absolute;top:9px;left:0;right:0;height:2px;background:var(--line);
}
.timeline-point{position:relative;padding-right:24px;}
.timeline-point::before{
  content:"";position:absolute;top:0;left:0;width:18px;height:18px;border-radius:50%;
  background:var(--teal-600);border:4px solid var(--paper);
  box-shadow:0 0 0 2px var(--teal-600);
}
.timeline-year{display:block;font-weight:700;color:var(--teal-600);margin:32px 0 6px;font-size:1.05rem;}
.timeline-point p{font-size:.95rem;color:var(--ink-soft);}
.timeline-point strong{display:block;color:var(--navy-900);font-size:1rem;margin-bottom:4px;}

.highlight-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px;}
.highlight-card{
  background:var(--teal-600);color:var(--white);
  border-radius:var(--radius-md);
  padding:26px 28px;
}
.highlight-card h4{color:var(--white);font-family:var(--font-body);font-size:1.05rem;font-weight:700;margin-bottom:8px;}
.highlight-card p{color:rgba(255,255,255,.88);font-size:.92rem;}

/* ---------- Resources / spine education strip ---------- */
.resource-strip{
  background:var(--navy-900);color:var(--white);
  border-radius:var(--radius-lg);
  padding:48px;
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
}
.resource-strip h3{color:var(--white);font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:14px;}
.resource-strip > div:first-child p{color:rgba(255,255,255,.72);margin-bottom:24px;max-width:440px;}
.resource-links{display:flex;flex-direction:column;}
.resource-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px;border-bottom:1px solid var(--line-dark);
  font-family:var(--font-display);font-size:1.15rem;color:rgba(255,255,255,.55);
  transition:color .2s ease, padding-left .2s ease;
}
.resource-links a:hover{color:var(--white);padding-left:8px;}
.resource-links a svg{width:16px;height:16px;flex-shrink:0;opacity:.7;}

/* ---------- Contact / appointment ---------- */
.contact-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;}
.contact-info-card{
  background:var(--navy-900);color:var(--white);
  border-radius:var(--radius-lg);
  padding:40px;
  height:fit-content;
}
.contact-info-card h3{color:var(--white);font-size:1.4rem;margin-bottom:10px;}
.contact-info-card > p{color:rgba(255,255,255,.72);margin-bottom:28px;font-size:.95rem;}
.contact-line{display:flex;gap:14px;align-items:flex-start;padding-block:14px;border-top:1px solid var(--line-dark);}
.contact-line:last-of-type{border-bottom:1px solid var(--line-dark);margin-bottom:24px;}
.contact-line svg{width:18px;height:18px;color:var(--teal-500);flex-shrink:0;margin-top:2px;}
.contact-line strong{display:block;font-size:.85rem;color:rgba(255,255,255,.55);font-weight:500;}
.contact-line span{font-size:.98rem;}
.contact-line a:hover{color:var(--teal-500);}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:38px;height:38px;border-radius:50%;background:var(--line-dark);
  display:flex;align-items:center;justify-content:center;transition:background .2s ease;
}
.social-row a:hover{background:var(--teal-600);}
.social-row svg{width:16px;height:16px;}

.form-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:40px;}
.form-tabs{display:flex;gap:8px;margin-bottom:28px;background:var(--paper);padding:6px;border-radius:999px;width:fit-content;}
.form-tab{padding:10px 20px;border-radius:999px;font-size:.9rem;font-weight:600;color:var(--ink-soft);}
.form-tab.active{background:var(--navy-900);color:var(--white);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:7px;color:var(--navy-900);}
.field .hint{font-weight:400;color:var(--ink-faint);font-size:.8rem;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font-family:var(--font-body);font-size:.95rem;color:var(--ink);background:var(--white);
  transition:border-color .18s ease, box-shadow .18s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--teal-600);box-shadow:0 0 0 3px var(--teal-100);outline:none;
}
.field textarea{resize:vertical;min-height:120px;}
.field.error input,.field.error select,.field.error textarea{border-color:#C4453A;}
.field-error{color:#C4453A;font-size:.8rem;margin-top:6px;display:none;}
.field.error .field-error{display:block;}
.field-note{display:none;}
.appt-only{display:none;}
.appt-only.show{display:block;}
.consent-row{display:flex;gap:10px;align-items:flex-start;margin-bottom:22px;font-size:.86rem;color:var(--ink-soft);}
.consent-row input{margin-top:4px;}
.form-status{
  margin-top:16px;padding:14px 16px;border-radius:var(--radius-sm);font-size:.9rem;display:none;
}
.form-status.show{display:block;}
.form-status.success{background:var(--teal-100);color:var(--teal-600);}
.form-status.error{background:#FBE9E7;color:#C4453A;}
.honeypot{position:absolute;left:-9999px;opacity:0;height:0;width:0;}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-900);color:rgba(255,255,255,.6);padding-block:44px;}
.footer-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;}
.footer-row .brand{color:var(--white);}
.footer-row .brand span{color:var(--teal-500);}
.footer-meta{font-size:.85rem;}
.footer-links{display:flex;gap:22px;font-size:.85rem;}
.footer-links a:hover{color:var(--white);}

/* ---------- Utility / animation ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--navy-900);color:var(--white);
  padding:12px 18px;border-radius:0 0 8px 0;z-index:999;
}
.skip-link:focus{left:0;}

/* ---------- Arabic / RTL ---------- */
[dir="rtl"]{
  --font-display:'Noto Sans Arabic', Tahoma, Arial, sans-serif;
  --font-body:'Noto Sans Arabic', Tahoma, Arial, sans-serif;
}
[dir="rtl"] body{letter-spacing:0;}
[dir="rtl"] .eyebrow{letter-spacing:0;}
[dir="rtl"] .nav-links a::after{left:auto;right:0;}
[dir="rtl"] .hero-badge{
  left:auto;
  right:0;
  border-radius:var(--radius-sm) 0 0 var(--radius-sm);
}
[dir="rtl"] .btn svg,
[dir="rtl"] .resource-links a svg{transform:scaleX(-1);}
[dir="rtl"] .btn:hover svg{transform:translateX(-3px) scaleX(-1);}
[dir="rtl"] .resource-links a:hover{
  padding-left:4px;
  padding-right:8px;
}
[dir="rtl"] .credential{
  border-left:0;
  border-right:2px solid var(--teal-600);
  padding-left:0;
  padding-right:14px;
}
[dir="rtl"] .timeline-point{
  padding-right:0;
  padding-left:24px;
}
[dir="rtl"] .skip-link{left:auto;right:-9999px;}
[dir="rtl"] .skip-link:focus{right:0;}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1024px){
  .container{padding-inline:20px;}
  section{padding-block:72px;}
  .hero .container{grid-template-columns:1fr;gap:40px;}
  .hero-media{order:-1;max-width:360px;margin-inline:auto;}
  .panel-dark{grid-template-columns:1fr;padding:36px;gap:32px;}
  .expertise-grid{grid-template-columns:repeat(2,1fr);}
  .about-wrap{grid-template-columns:1fr;}
  .about-media{max-width:360px;margin-inline:auto;}
  .resource-strip{grid-template-columns:1fr;padding:36px;}
  .contact-wrap{grid-template-columns:1fr;}
  .nav-links{gap:24px;}
}

@media (max-width:860px){
  .nav-links,.site-header .nav-cta .btn-outline{display:none;}
  .nav-toggle{display:flex;}
  .site-header .nav-cta .btn-primary{display:none;}
  .expertise-grid{grid-template-columns:1fr 1fr;}
  /* Timeline becomes a vertical stacked list on tablet/mobile */
  .timeline-track{
    grid-template-columns:1fr;gap:0;
  }
  .timeline-track::before{
    top:0;bottom:0;left:8px;right:auto;width:2px;height:auto;
  }
  .timeline-point{
    padding-right:0;padding-left:32px;padding-bottom:30px;
  }
  .timeline-point::before{left:0;top:2px;}
  [dir="rtl"] .timeline-track::before{
    left:auto;right:8px;
  }
  [dir="rtl"] .timeline-point{
    padding-left:0;padding-right:32px;
  }
  [dir="rtl"] .timeline-point::before{
    left:auto;right:0;
  }
  .timeline-year{margin:0 0 6px;}
  .highlight-row{grid-template-columns:1fr;}
}

@media (max-width:640px){
  section{padding-block:56px;}
  .container{padding-inline:18px;}
  h1{font-size:2.1rem;}
  .hero{padding-block:36px 24px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{justify-content:center;}
  .expertise-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-row{flex-direction:column;align-items:flex-start;text-align:left;}
  .panel-dark{padding:28px;border-radius:20px;}
  .resource-strip{padding:28px;border-radius:20px;}
  .form-card,.contact-info-card{padding:26px;}
  .credentials-row{gap:20px;}
}