/* ===========================================================
   Vassilios G. Dimopoulos, MD, FAANS — site stylesheet
   Design: clinical / precise, white-black base, antique bronze
   accent, graph-paper texture, serif display + sans body.
   =========================================================== */

:root{
  --bronze:#9a6a2f;
  --bronze-soft:#b98a4a;
  --bronze-tint:#f3eadd;
  --ink:#161513;
  --ink-2:#3c3a36;
  --muted:#6b6862;
  --hair:rgba(22,21,19,.14);
  --hair-2:rgba(22,21,19,.28);
  --paper:#ffffff;
  --surface:#faf8f4;
  --surface-2:#f3efe8;
  --maxw:1140px;
  --font-serif:"Georgia","Times New Roman",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,sans-serif;
  --r-md:8px;
  --r-lg:12px;
  --grid:46px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  color:var(--ink);
  background:var(--paper);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* graph-paper texture, applied to <body> behind everything */
body::before{
  content:"";
  position:fixed; inset:0; z-index:-2; pointer-events:none;
  background-image:
    linear-gradient(var(--hair) .5px, transparent .5px),
    linear-gradient(90deg, var(--hair) .5px, transparent .5px);
  background-size:var(--grid) var(--grid);
  opacity:.16;
}
body::after{
  content:"";
  position:fixed; inset:0; z-index:-2; pointer-events:none;
  background-image:radial-gradient(var(--bronze-soft) .7px, transparent .7px);
  background-size:var(--grid) var(--grid);
  background-position:calc(var(--grid)/2) calc(var(--grid)/2);
  opacity:.10;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}

/* ---------- layout helpers ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--bronze);margin:0 0 18px;
}
.eyebrow::before{content:"";width:28px;height:.5px;background:var(--bronze);}
.section{padding:84px 0;}
.section--tint{background:rgba(243,239,232,.7);border-top:.5px solid var(--hair);border-bottom:.5px solid var(--hair);}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:500;color:var(--ink);letter-spacing:-.01em;line-height:1.18;}
h1{font-size:clamp(30px,5vw,46px);margin:0 0 18px;}
h2{font-size:clamp(24px,3.4vw,34px);margin:0 0 16px;}
h3{font-size:21px;margin:0 0 10px;}
h4{font-size:17px;margin:0 0 8px;}
p{margin:0 0 18px;color:var(--ink-2);}
.lead{font-size:19px;color:var(--ink-2);max-width:66ch;}
.muted{color:var(--muted);}
.small{font-size:14px;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,239,228,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:2px solid var(--bronze);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0;}
.brand{display:flex;flex-direction:column;line-height:1.12;}
.brand b{font-family:var(--font-serif);font-weight:500;font-size:18px;letter-spacing:.01em;}
.brand span{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--bronze);margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:22px;font-size:14px;color:var(--ink-2);list-style:none;margin:0;padding:0;}
.nav-links a{padding:6px 0;border-bottom:1.5px solid transparent;transition:border-color .2s,color .2s;}
.nav-links a:hover{color:var(--ink);border-color:var(--bronze);}
.nav-links a.active{color:var(--ink);border-color:var(--bronze);}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:500;line-height:1;
  padding:11px 18px;border-radius:var(--r-md);
  border:.5px solid var(--bronze);color:var(--bronze);background:transparent;
  cursor:pointer;transition:background .2s,color .2s,transform .05s;
}
.btn:hover{background:var(--bronze-tint);}
.btn:active{transform:scale(.985);}
.btn--solid{background:var(--bronze);color:#fff;border-color:var(--bronze);}
.btn--solid:hover{background:#85581f;}
.btn--ghost{border-color:var(--hair-2);color:var(--ink);}
.btn--ghost:hover{background:var(--surface-2);}
.btn--lg{padding:13px 22px;font-size:15px;}
.nav-toggle{display:none;background:none;border:0;font-size:24px;color:var(--ink);cursor:pointer;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;}
/* hero band: white center, faint grid kept */
.hero--band{background:#ffffff;border-bottom:.5px solid var(--hair);}
.hero--band .hero-grid,
.hero--band .hero-dots{position:absolute;inset:0;pointer-events:none;}
.hero--band .hero-grid{
  background-image:
    linear-gradient(rgba(154,106,47,.08) .5px, transparent .5px),
    linear-gradient(90deg, rgba(154,106,47,.08) .5px, transparent .5px);
  background-size:38px 38px;
}
.hero--band .hero-dots{
  background-image:radial-gradient(var(--bronze-soft) 1px, transparent 1px);
  background-size:38px 38px;background-position:19px 19px;opacity:.14;
}
.hero--band .wrap{position:relative;}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-top:74px;padding-bottom:74px;}
.hero h1{margin-bottom:20px;}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;}
.hero-figure{position:relative;}
.hero-figure img{width:100%;border-radius:var(--r-lg);border:.5px solid var(--hair);background:var(--surface);}
.hero-figure .tag{
  position:absolute;left:-14px;bottom:22px;background:#fff;border:.5px solid var(--hair);
  border-left:2px solid var(--bronze);border-radius:0 var(--r-md) var(--r-md) 0;
  padding:10px 14px;font-size:12px;color:var(--ink-2);box-shadow:0 8px 24px rgba(22,21,19,.06);
}
.hero-figure .tag b{display:block;font-family:var(--font-serif);font-size:15px;color:var(--ink);}

/* credential strip */
.cred-strip{display:flex;flex-wrap:wrap;gap:10px 26px;align-items:center;
  padding:18px 0;border-top:.5px solid var(--hair);border-bottom:.5px solid var(--hair);
  background:rgba(243,239,232,.55);}
.cred-strip .item{display:inline-flex;align-items:center;gap:9px;font-size:14px;color:var(--ink);}
.cred-strip .item svg{width:18px;height:18px;color:var(--bronze);flex:none;}
.cred-strip .sep{width:1px;height:14px;background:var(--hair-2);}

/* ---------- cards ---------- */
.grid{display:grid;gap:18px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.card{
  background:var(--paper);border:.5px solid var(--hair);border-radius:var(--r-lg);
  padding:24px;transition:border-color .2s,transform .2s,box-shadow .2s;
}
.card--link:hover{border-color:var(--bronze-soft);transform:translateY(-2px);box-shadow:0 10px 30px rgba(22,21,19,.05);}
.card .ic{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;color:var(--bronze);margin-bottom:16px;
  background:var(--bronze-tint);border:.5px solid var(--hair);border-radius:10px;
}
.card .ic svg{width:22px;height:22px;display:block;}
.card--top{border-top:2px solid var(--bronze);border-radius:0 0 var(--r-lg) var(--r-lg);}
.card h3{font-family:var(--font-sans);font-size:16px;font-weight:500;margin-bottom:6px;}
.card p{font-size:14px;margin:0;color:var(--muted);}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;color:var(--bronze);font-weight:500;}
/* Even, tidy cards in the approaches grid: equal heights, bottom-aligned link */
.grid-4 .card--link{display:flex;flex-direction:column;}
.grid-4 .card--link .more{margin-top:auto;padding-top:14px;}

/* lists */
.ticks{list-style:none;padding:0;margin:0;}
.ticks li{position:relative;padding:8px 0 8px 30px;border-bottom:.5px solid var(--hair);color:var(--ink-2);font-size:15px;}
.ticks li:last-child{border-bottom:0;}
.ticks li::before{content:"";position:absolute;left:2px;top:14px;width:14px;height:8px;border-left:1.6px solid var(--bronze);border-bottom:1.6px solid var(--bronze);transform:rotate(-45deg);}

/* condition pills */
.pills{display:flex;flex-wrap:wrap;gap:10px;}
.pill{font-size:13px;padding:7px 13px;border:.5px solid var(--hair-2);border-radius:40px;color:var(--ink-2);background:#fff;}

/* ---------- process / journey timeline ---------- */
.steps{position:relative;margin:0;padding:0;list-style:none;}
.steps::before{content:"";position:absolute;left:19px;top:6px;bottom:6px;width:1.5px;background:var(--hair-2);}
.steps li{position:relative;padding:0 0 30px 56px;}
.steps li:last-child{padding-bottom:0;}
.steps .n{position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;
  background:#fff;border:.5px solid var(--bronze);color:var(--bronze);
  font-family:var(--font-serif);font-size:16px;display:flex;align-items:center;justify-content:center;}
.steps h3{font-family:var(--font-sans);font-size:17px;font-weight:500;margin-bottom:4px;}
.steps p{font-size:15px;margin:0;}

/* ---------- case studies ---------- */
.case{border:.5px solid var(--hair);border-radius:var(--r-lg);overflow:hidden;background:#fff;}
.case .case-head{padding:18px 22px;border-bottom:.5px solid var(--hair);display:flex;justify-content:space-between;align-items:flex-start;gap:14px;}
.case .case-head h3{font-family:var(--font-sans);font-size:16px;font-weight:500;margin:0;}
.case .tagline{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--bronze);}
.case .case-body{padding:18px 22px;}
.case .row{display:grid;grid-template-columns:120px 1fr;gap:10px;padding:7px 0;border-bottom:.5px solid var(--hair);font-size:14px;}
.case .row:last-child{border-bottom:0;}
.case .row .k{color:var(--muted);}
.imgph{aspect-ratio:4/3;background:
   repeating-linear-gradient(45deg,var(--surface-2) 0 10px,transparent 10px 20px),var(--surface);
  border:.5px dashed var(--hair-2);border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;
  color:var(--muted);font-size:13px;text-align:center;padding:16px;}

/* ---------- quote / testimonial ---------- */
.quote{background:#fff;border:.5px solid var(--hair);border-left:2px solid var(--bronze);border-radius:0 var(--r-lg) var(--r-lg) 0;padding:24px 26px;}
.quote p{font-family:var(--font-serif);font-size:18px;color:var(--ink);font-style:italic;margin:0 0 12px;}
.quote .who{font-size:13px;color:var(--muted);font-style:normal;}

/* ---------- forms ---------- */
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px;font-weight:500;}
.field input,.field select,.field textarea{
  width:100%;font:inherit;font-size:15px;color:var(--ink);background:#fff;
  border:.5px solid var(--hair-2);border-radius:var(--r-md);padding:11px 13px;
  transition:border-color .15s,box-shadow .15s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--bronze);box-shadow:0 0 0 3px var(--bronze-tint);
}
.field textarea{min-height:130px;resize:vertical;}
.notice{font-size:13px;color:var(--muted);background:var(--surface);border:.5px solid var(--hair);border-radius:var(--r-md);padding:12px 14px;display:flex;gap:10px;}
.notice svg{width:18px;height:18px;color:var(--bronze);flex:none;margin-top:2px;}

/* ---------- info / contact blocks ---------- */
.kv{list-style:none;padding:0;margin:0;}
.kv li{display:flex;gap:12px;padding:12px 0;border-bottom:.5px solid var(--hair);font-size:15px;align-items:flex-start;}
.kv li:last-child{border-bottom:0;}
.kv svg{width:18px;height:18px;color:var(--bronze);flex:none;margin-top:3px;}
.kv .k{display:block;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:2px;}

.hours{list-style:none;margin:0;padding:0;}
.hours li{display:flex;justify-content:space-between;padding:9px 0;border-bottom:.5px solid var(--hair);font-size:15px;}
.hours li:last-child{border-bottom:0;}
.hours .d{color:var(--ink-2);}
.hours .t{color:var(--ink);font-variant-numeric:tabular-nums;}

/* ---------- publications ---------- */
.pub-list{counter-reset:pub;list-style:none;margin:0;padding:0;}
.pub-list li{position:relative;padding:14px 0 14px 0;border-bottom:.5px solid var(--hair);font-size:14.5px;color:var(--ink-2);}
.pub-list li:last-child{border-bottom:0;}
.pub-list li b{color:var(--ink);font-weight:500;}
.pub-list li .src{color:var(--muted);font-style:italic;}
.pub-group{font-family:var(--font-serif);font-size:20px;margin:34px 0 6px;color:var(--ink);}

/* ---------- callout banner ---------- */
.banner{background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:40px;display:flex;
  align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.banner h2{color:#fff;margin:0 0 8px;}
.banner p{color:rgba(255,255,255,.74);margin:0;max-width:52ch;}
.banner .btn--solid{background:var(--bronze);border-color:var(--bronze);}
.banner .btn--solid:hover{background:var(--bronze-soft);}

/* ---------- footer ---------- */
.site-footer{border-top:.5px solid var(--hair);background:var(--surface);margin-top:8px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding:54px 0 36px;}
.footer-top .brand b{font-size:17px;}
.footer-col h4{font-family:var(--font-sans);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;}
.footer-col a{display:block;font-size:14px;color:var(--ink-2);padding:5px 0;}
.footer-col a:hover{color:var(--bronze);}
.disclaimer{border-top:.5px solid var(--hair);padding:22px 0 40px;font-size:12.5px;color:var(--muted);line-height:1.65;}
.disclaimer strong{color:var(--ink-2);font-weight:500;}

/* ---------- video embed ---------- */
.video-embed{position:relative;width:100%;aspect-ratio:16/9;background:var(--surface-2);
  border:.5px solid var(--hair);border-radius:var(--r-lg);overflow:hidden;}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.video-embed .placeholder{position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:12px;text-align:center;padding:24px;color:var(--muted);
  background:repeating-linear-gradient(45deg,var(--surface-2) 0 12px,var(--surface) 12px 24px);}
.video-embed .placeholder svg{width:44px;height:44px;color:var(--bronze-soft);}
.video-caption{font-size:12.5px;color:var(--muted);margin-top:10px;}

/* ---------- procedure steps (numbered, compact) ---------- */
.proc{counter-reset:proc;list-style:none;margin:0;padding:0;}
.proc li{position:relative;padding:14px 0 14px 46px;border-bottom:.5px solid var(--hair);}
.proc li:last-child{border-bottom:0;}
.proc li::before{counter-increment:proc;content:counter(proc);position:absolute;left:0;top:13px;
  width:30px;height:30px;border-radius:50%;border:.5px solid var(--bronze);color:var(--bronze);
  font-family:var(--font-serif);font-size:14px;display:flex;align-items:center;justify-content:center;}
.proc li h4{margin:0 0 3px;font-family:var(--font-sans);font-size:15px;font-weight:500;}
.proc li p{margin:0;font-size:14px;color:var(--muted);}

/* ---------- sub-page hero (approach pages) ---------- */
.approach-head{position:relative;overflow:hidden;background:#f6efe4;border-bottom:.5px solid var(--hair);padding:56px 0 44px;}
.approach-head .hero-grid{position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(154,106,47,.10) .5px,transparent .5px),linear-gradient(90deg,rgba(154,106,47,.10) .5px,transparent .5px);
  background-size:38px 38px;}
.approach-head .wrap{position:relative;}
.approach-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;}
.approach-nav a{font-size:13px;padding:8px 14px;border:.5px solid var(--hair-2);border-radius:40px;background:#fff;color:var(--ink-2);}
.approach-nav a.active{border-color:var(--bronze);color:var(--bronze);}
.approach-nav a:hover{border-color:var(--bronze);}

/* ---------- page-head ---------- */
.page-head{padding:60px 0 40px;border-bottom:.5px solid var(--hair);background:rgba(243,239,232,.5);}
.page-head .lead{margin:0;}

/* reveal on scroll — only animates when JS adds .js-reveal to <html> */
.js-reveal .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease;}
.js-reveal .reveal.in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:880px){
  .hero .wrap{grid-template-columns:1fr;gap:34px;}
  .hero-figure{order:-1;max-width:380px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px;}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:.5px solid var(--hair);
    flex-direction:column;align-items:flex-start;gap:0;padding:8px 28px 18px;display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links li{width:100%;border-bottom:.5px solid var(--hair);}
  .nav-links li:last-child{border-bottom:0;padding-top:10px;}
  .nav-links a{display:block;width:100%;}
  .nav-toggle{display:block;}
  .nav .btn{display:none;}
  .brand b{font-size:15px;}
  .brand span{font-size:9px;letter-spacing:.16em;}
}
@media (max-width:560px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .case .row{grid-template-columns:1fr;gap:2px;}
  .banner{padding:28px;}
  .footer-top{grid-template-columns:1fr;}
}
