/* Fonts are loaded via <link rel="preload"/stylesheet"> in <head> for performance
   (see build_head()) rather than @import, which blocks parallel fetching. */

:root{
  --ink:#0B1F3A;
  --ink-2:#122C52;
  --ink-3:#1B3E6E;
  --paper:#F5F7FA;
  --card:#FFFFFF;
  --slate:#3E5064;
  --slate-soft:#7C8BA3;
  --artery:#AE3529;
  --artery-dark:#8A2A20;
  --vessel:#0D7A82;
  --vessel-dark:#0A5F65;
  --vessel-bright:#14B8AE;
  --gold:#A9822C;
  --line:#E3E8EE;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 16px 40px -18px rgba(11,31,58,0.28);
  --shadow-sm:0 6px 18px -10px rgba(11,31,58,0.22);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--slate);
  font-family:'IBM Plex Sans Arabic',system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{
  font-family:'El Messiri',system-ui,sans-serif;
  color:var(--ink);
  margin:0 0 .5em;
  line-height:1.28;
  font-weight:700;
}
p{margin:0 0 1em;}
.mono{font-family:'IBM Plex Mono',monospace;letter-spacing:.02em;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
:focus-visible{outline:3px solid var(--vessel-bright);outline-offset:3px;}

/* ---------- eyebrow / kicker ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:'IBM Plex Mono',monospace;
  font-size:.72rem;letter-spacing:.14em;
  color:var(--vessel);
  text-transform:uppercase;
  margin-bottom:1em;
}
.eyebrow::before{
  content:"";width:22px;height:2px;background:var(--artery);display:inline-block;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.95em 1.7em;border-radius:999px;
  font-weight:600;font-size:.98rem;
  border:1.5px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  cursor:pointer;white-space:nowrap;
}
.btn-primary{background:var(--vessel);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--vessel-dark);transform:translateY(-2px);}
.btn-outline{border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn-outline-dark{border-color:var(--line);color:var(--ink);background:#fff;}
.btn-outline-dark:hover{border-color:var(--vessel);color:var(--vessel);}
.btn-artery{background:var(--artery);color:#fff;box-shadow:var(--shadow-sm);}
.btn-artery:hover{background:var(--artery-dark);transform:translateY(-2px);}
.btn-sm{padding:.7em 1.35em;font-size:.88rem;}
.btn svg{width:1.1em;height:1.1em;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,31,58,.97);
  backdrop-filter:blur(6px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;padding:14px 24px;
}
.brand{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-family:'El Messiri',sans-serif;font-weight:700;font-size:1.28rem;color:#fff;}
.brand-title{font-size:.72rem;color:var(--vessel-bright);letter-spacing:.02em;}
.main-nav{display:flex;align-items:center;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  display:inline-block;padding:.6em 1em;border-radius:999px;
  color:rgba(255,255,255,.82);font-size:.94rem;font-weight:500;
  transition:background .18s ease,color .18s ease;
}
.nav-menu a:hover{background:rgba(255,255,255,.08);color:#fff;}
.nav-menu a.active{background:var(--vessel);color:#fff;}
.header-cta{margin-inline-start:8px;}
.nav-toggle{
  display:none;background:none;border:0;padding:10px;cursor:pointer;
  flex-direction:column;gap:5px;
}
.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:radial-gradient(120% 140% at 15% 0%,var(--ink-3) 0%,var(--ink) 55%,#081527 100%);
  color:#fff;padding:96px 0 76px;
}
.vessel-art{position:absolute;inset:0;width:100%;height:100%;opacity:.16;pointer-events:none;}
.hero-inner{position:relative;z-index:2;max-width:760px;}
.hero h1{color:#fff;font-size:clamp(2.5rem,5vw,3.6rem);margin-bottom:.15em;}
.hero .subtitle{
  font-size:clamp(1.1rem,2vw,1.35rem);color:var(--vessel-bright);
  font-weight:600;margin-bottom:.9em;
}
.hero p.lead{color:rgba(255,255,255,.82);font-size:1.08rem;max-width:640px;}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:1.8em;}
.credential-strip{
  position:relative;z-index:2;margin-top:52px;padding-top:28px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
}
.credential-strip span.label{color:rgba(255,255,255,.55);font-size:.82rem;margin-inline-end:8px;}
.chip{
  font-family:'IBM Plex Mono',monospace;font-size:.78rem;letter-spacing:.05em;
  color:#fff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  padding:.4em .9em;border-radius:999px;
}

/* ---------- pulse divider (signature element) ---------- */
.pulse-divider{width:100%;overflow:hidden;line-height:0;}
.pulse-divider svg{width:100%;height:44px;display:block;}
.pulse-line{stroke:var(--line);stroke-width:2;}
.pulse-path{
  fill:none;stroke:url(#pulseGrad);stroke-width:3;
  stroke-linecap:round;stroke-linejoin:round;
}
.pulse-divider.on-dark .pulse-line{stroke:rgba(255,255,255,.18);}

/* ---------- section rhythm ---------- */
section{padding:84px 0;}
.section-head{max-width:680px;margin-bottom:52px;}
.section-head p{color:var(--slate-soft);font-size:1.05rem;}
.bg-ink{background:var(--ink);color:#fff;}
.bg-ink h2,.bg-ink h3,.bg-ink h4{color:#fff;}
.bg-card{background:#fff;}

/* ---------- grids / cards ---------- */
.grid{display:grid;gap:26px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.card h3{font-size:1.18rem;margin-bottom:.4em;}
.card p{color:var(--slate-soft);font-size:.98rem;margin-bottom:0;}

.icon-badge{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(155deg,rgba(13,122,130,.12),rgba(174,53,41,.09));
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
  color:var(--vessel);
}
.icon-badge svg{width:26px;height:26px;}

/* credential dossier cards */
.cred-card{
  display:flex;align-items:center;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px 20px;box-shadow:var(--shadow-sm);
}
.cred-flag{font-size:1.6rem;line-height:1;}
.cred-name{font-size:.98rem;color:var(--ink);font-weight:600;}
.cred-code{
  margin-inline-start:auto;font-family:'IBM Plex Mono',monospace;
  font-size:.78rem;color:var(--gold);border:1px solid rgba(169,130,44,.4);
  padding:.25em .7em;border-radius:999px;background:rgba(169,130,44,.07);
  white-space:nowrap;
}
.cred-group-title{
  font-family:'IBM Plex Mono',monospace;font-size:.78rem;letter-spacing:.1em;
  color:var(--slate-soft);text-transform:uppercase;margin-bottom:18px;
}

/* about photo layout */
.about-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:56px;align-items:start;}
.about-photo{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:sticky;top:110px;}
.about-photo img{width:100%;height:auto;object-fit:cover;}
.bio-text p{font-size:1.03rem;}

/* clinic info strip */
.info-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:22px 24px;
}
.info-card .label{
  font-family:'IBM Plex Mono',monospace;font-size:.74rem;color:var(--vessel);
  text-transform:uppercase;letter-spacing:.08em;margin-bottom:.6em;display:block;
}
.info-card strong{display:block;color:var(--ink);font-size:1.05rem;margin-bottom:.2em;}

/* CTA band */
.cta-band{
  background:linear-gradient(120deg,var(--ink) 0%,var(--ink-3) 100%);
  color:#fff;border-radius:var(--radius);padding:56px 48px;
  text-align:center;position:relative;overflow:hidden;
}
.cta-band h2{color:#fff;}
.cta-band p{color:rgba(255,255,255,.78);max-width:560px;margin:0 auto 1.6em;}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

/* services / conditions cards */
.service-card{position:relative;}
.condition-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;height:100%;
}
.condition-card h3{font-size:1.12rem;}
.condition-card .tag{
  align-self:flex-start;
  font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.06em;
  color:var(--artery);background:rgba(174,53,41,.08);
  padding:.3em .8em;border-radius:999px;margin-bottom:14px;text-transform:uppercase;
}
.condition-card .more{
  margin-top:auto;padding-top:16px;font-size:.9rem;font-weight:600;color:var(--vessel);
  display:inline-flex;align-items:center;gap:.4em;
}

/* table */
.hours-table{width:100%;border-collapse:collapse;}
.hours-table td{padding:14px 0;border-bottom:1px solid var(--line);}
.hours-table td:first-child{color:var(--ink);font-weight:600;width:40%;}

/* contact cards */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;text-align:center;
}
.contact-card .icon-badge{margin:0 auto 18px;}
.social-row{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:8px;}
.social-pill{
  border:1px solid var(--line);border-radius:999px;padding:.6em 1.3em;
  font-size:.9rem;font-weight:600;color:var(--ink);
  transition:border-color .18s ease,color .18s ease;
}
.social-pill:hover{border-color:var(--vessel);color:var(--vessel);}
.map-wrap{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--line);}
.map-wrap iframe{width:100%;height:380px;border:0;display:block;}

/* footer */
.site-footer{background:var(--ink);color:rgba(255,255,255,.75);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:44px;padding-bottom:44px;}
.footer-col h3{color:#fff;font-size:1.2rem;}
.footer-col h4{color:#fff;font-size:.92rem;text-transform:uppercase;letter-spacing:.08em;font-family:'IBM Plex Mono',monospace;font-weight:600;margin-bottom:1.1em;}
.footer-col p{color:rgba(255,255,255,.62);font-size:.94rem;}
.footer-col ul li{margin-bottom:.7em;}
.footer-col ul a{color:rgba(255,255,255,.72);font-size:.94rem;}
.footer-col ul a:hover{color:var(--vessel-bright);}
.footer-social{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer-social a{
  font-size:.8rem;border:1px solid rgba(255,255,255,.2);border-radius:999px;
  padding:.4em 1em;color:rgba(255,255,255,.75);
}
.footer-social a:hover{border-color:var(--vessel-bright);color:var(--vessel-bright);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
  font-size:.84rem;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);}

/* disclaimer */
.disclaimer{
  margin-top:40px;padding:18px 22px;border-radius:var(--radius-sm);
  background:rgba(13,122,130,.06);border:1px dashed rgba(13,122,130,.35);
  font-size:.88rem;color:var(--vessel-dark);
}

/* motion */
@media (prefers-reduced-motion: no-preference){
  .pulse-path{
    stroke-dasharray:14 340;stroke-dashoffset:0;
    animation:pulseTravel 3.6s linear infinite;
  }
  .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
  .reveal.in{opacity:1;transform:none;}
}
@keyframes pulseTravel{
  0%{stroke-dashoffset:0;}
  100%{stroke-dashoffset:-354;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .about-grid{grid-template-columns:1fr;}
  .about-photo{position:static;max-width:420px;margin:0 auto 8px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .contact-grid{grid-template-columns:1fr;}
}
@media (max-width:760px){
  .nav-toggle{display:flex;min-width:44px;min-height:44px;align-items:center;justify-content:center;}
  .main-nav{position:relative;}
  .nav-menu{
    position:absolute;inset-inline-end:0;top:calc(100% + 14px);
    background:var(--ink);border:1px solid rgba(255,255,255,.12);
    border-radius:14px;flex-direction:column;align-items:stretch;
    min-width:220px;padding:10px;gap:2px;
    display:none;box-shadow:var(--shadow);
  }
  .nav-menu.open{display:flex;}
  .nav-menu a{width:100%;min-height:44px;display:flex;align-items:center;padding:0 1.1em;}
  .header-cta{display:none;}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr;}
  .info-strip{grid-template-columns:1fr;}
  section{padding:60px 0;}
  .cta-band{padding:40px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .hero{padding:70px 0 52px;}
  .btn{min-height:46px;}
  .social-pill{min-height:44px;display:inline-flex;align-items:center;}
  body{font-size:16px;}
}

/* ---------- floating WhatsApp button ---------- */
.floating-whatsapp{
  position:fixed;bottom:22px;right:22px;z-index:200;
  width:58px;height:58px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 28px -6px rgba(0,0,0,.4);
  transition:transform .2s ease,box-shadow .2s ease;
}
.floating-whatsapp::before{
  content:"";position:absolute;inset:0;border-radius:50%;
  background:#25D366;z-index:-1;
}
.floating-whatsapp:hover{transform:scale(1.08);box-shadow:0 14px 32px -6px rgba(0,0,0,.45);}
.floating-whatsapp svg{width:29px;height:29px;}
@media (prefers-reduced-motion: no-preference){
  .floating-whatsapp::before{animation:waPulse 2.2s ease-out infinite;}
}
@keyframes waPulse{
  0%{transform:scale(1);opacity:.55;}
  100%{transform:scale(1.9);opacity:0;}
}
@media (max-width:760px){
  .floating-whatsapp{width:52px;height:52px;bottom:16px;right:16px;}
  .floating-whatsapp svg{width:26px;height:26px;}
}

/* ---------- publications / research section ---------- */
.pub-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 28px;box-shadow:var(--shadow-sm);margin-bottom:16px;
}
.pub-card .pub-meta{
  font-family:'IBM Plex Mono',monospace;font-size:.76rem;color:var(--vessel);
  text-transform:uppercase;letter-spacing:.06em;margin-bottom:.5em;display:block;
}
.pub-card h3{font-size:1.05rem;margin-bottom:.35em;}
.pub-card p{color:var(--slate-soft);font-size:.94rem;margin-bottom:.7em;}
.pub-card a.pub-link{
  font-size:.9rem;font-weight:600;color:var(--vessel);display:inline-flex;align-items:center;gap:.4em;
}
