/* ============================================================
   Mr Z Sultan — Consultant Ophthalmic & Oculoplastic Surgeon
   Design tokens: precision-optics theme.
   Palette: deep teal ink, sage paper, bronze accent.
   Type: Newsreader (display serif) / Karla (body) / IBM Plex Mono (data & labels)
   Signature: concentric "focus ring" aperture motif
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400;1,6..72,500&family=Karla:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ink:        #142B29;
  --ink-soft:   #23433F;
  --teal:       #2F6F6B;
  --teal-deep:  #1F4E4B;
  --bronze:     #B4763A;
  --bronze-soft:#D9A56C;
  --sage:       #7C8F89;
  --paper:      #F2F4F1;
  --paper-raised:#FFFFFF;
  --line:       #DCE2DD;
  --line-strong:#C4CDC7;

  --font-display: 'Newsreader', Georgia, serif;
  --font-body: 'Karla', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  --max: 1180px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:500;
  line-height:1.12;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.4rem,4.6vw,3.9rem); }
h2{ font-size:clamp(1.7rem,3vw,2.5rem); }
h3{ font-size:1.35rem; }
em{ font-style:italic; color:var(--teal-deep); }
p{ margin:0 0 1.1em; color:var(--ink-soft); }
.container{ max-width:var(--max); margin:0 auto; padding:0 32px; }
@media (max-width:640px){ .container{ padding:0 20px; } }

:focus-visible{ outline:2px solid var(--bronze); outline-offset:3px; }
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- utility bits ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--bronze);
  display:flex;
  align-items:center;
  gap:.55em;
  margin-bottom:.9em;
}
.eyebrow::before{
  content:"";
  width:7px; height:7px;
  border-radius:50%;
  border:1.4px solid var(--bronze);
}
.lede{ font-size:1.14rem; color:var(--ink-soft); max-width:56ch; }
.hairline{ border:none; border-top:1px solid var(--line); margin:0; }

/* ---------- focus-ring signature motif ---------- */
.ring-mark{ display:inline-block; }
.ring-mark circle, .ring-mark path{ fill:none; stroke:currentColor; stroke-linecap:round; }

/* ---------- trust / pricing strip ---------- */
.trust-strip{ display:flex; gap:14px; align-items:flex-start; padding:22px 26px; background:var(--paper-raised); border:1px solid var(--line); }
.trust-strip svg{ flex-shrink:0; margin-top:2px; color:var(--teal-deep); }
.trust-strip h4{ font-family:var(--font-body); font-weight:600; font-size:.98rem; margin:0 0 .35em; }
.trust-strip p{ margin:0; font-size:.92rem; }

/* ---------- top utility bar ---------- */
.utility-bar{
  background:var(--ink);
  color:#CBD8D4;
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.03em;
}
.utility-bar .container{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:9px; padding-bottom:9px; flex-wrap:wrap; gap:6px 20px;
}
.utility-bar a:hover{ color:var(--bronze-soft); }
.utility-bar .divider{ opacity:.4; margin:0 10px; }

/* ---------- nav ---------- */
.site-nav{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:40;
}
.site-nav .container{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:16px; padding-bottom:16px;
}
.brand{
  display:flex; align-items:center; gap:12px;
  font-family:var(--font-display); font-size:1.28rem; color:var(--ink);
}
.brand .ring-mark{ color:var(--teal); }
.brand-name{ font-weight:500; }
.brand-sub{
  display:block; font-family:var(--font-mono); font-size:.62rem;
  letter-spacing:.1em; text-transform:uppercase; color:var(--sage); margin-top:2px;
}
.nav-links{ display:flex; align-items:center; gap:30px; font-size:.94rem; }
.nav-links a{ position:relative; padding:4px 0; color:var(--ink-soft); }
.nav-links a:hover, .nav-links a.active{ color:var(--teal-deep); }
.nav-links a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-3px; height:2px; background:var(--bronze);
}
.nav-cta{
  background:var(--teal-deep); color:#fff !important; padding:10px 18px;
  border-radius:2px; font-size:.85rem; letter-spacing:.02em;
}
.nav-cta:hover{ background:var(--ink); }
.nav-toggle{ display:none; }
@media (max-width:900px){
  .nav-links{ display:none; }
  .nav-links.nav-open{
    display:flex; flex-direction:column; align-items:flex-start; gap:4px;
    position:absolute; top:100%; left:0; right:0; background:var(--paper);
    border-bottom:1px solid var(--line); padding:18px 24px 24px; box-shadow:0 20px 40px -16px rgba(20,43,41,.18);
  }
  .nav-toggle{ display:block; font-family:var(--font-mono); font-size:.8rem; border:1px solid var(--line-strong); padding:8px 12px; background:none; cursor:pointer; }
}

/* ---------- nav dropdown ---------- */
.nav-dropdown{ position:relative; }
.nav-dropdown > summary{
  list-style:none; cursor:pointer; display:flex; align-items:center; gap:4px;
  color:var(--ink-soft); font-size:.94rem; padding:4px 0;
}
.nav-dropdown > summary::-webkit-details-marker{ display:none; }
.nav-dropdown > summary::after{ content:"▾"; font-size:.6em; margin-left:1px; position:relative; top:-1px; }
.nav-dropdown[open] > summary, .nav-dropdown.active > summary{ color:var(--teal-deep); }
.nav-dropdown .dropdown-menu{
  background:var(--paper-raised); border:1px solid var(--line); min-width:250px;
  box-shadow:0 20px 40px -14px rgba(20,43,41,.2); z-index:60; padding:8px 0;
}
.nav-dropdown .dropdown-menu a{ display:block; padding:10px 18px; font-size:.88rem; color:var(--ink-soft); }
.nav-dropdown .dropdown-menu a:hover{ background:var(--paper); color:var(--teal-deep); }
@media (min-width:901px){
  .nav-dropdown .dropdown-menu{ position:absolute; top:100%; left:0; margin-top:14px; }
}
@media (max-width:900px){
  .nav-dropdown .dropdown-menu{ margin-top:6px; padding-left:8px; border:none; box-shadow:none; }
}

/* ---------- buttons/links ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-mono); font-size:.82rem; letter-spacing:.04em; text-transform:uppercase;
  padding:14px 26px; border-radius:2px; border:1px solid var(--ink);
  background:var(--ink); color:#fff; transition:background .15s, color .15s, border-color .15s;
}
.btn:hover{ background:var(--teal-deep); border-color:var(--teal-deep); }
.btn-outline{ background:transparent; color:var(--ink); border-color:var(--line-strong); }
.btn-outline:hover{ background:var(--ink); color:#fff; border-color:var(--ink); }
.text-link{ font-family:var(--font-mono); font-size:.82rem; text-transform:uppercase; letter-spacing:.04em; color:var(--teal-deep); border-bottom:1px solid var(--teal); padding-bottom:2px; }
.text-link:hover{ color:var(--bronze); border-color:var(--bronze); }

/* ---------- hero ---------- */
.hero{ padding:76px 0 60px; }
.hero .container{ display:grid; grid-template-columns:1.15fr .85fr; gap:56px; align-items:center; }
.hero .container.hero-single{ display:block; }
.hero-copy .cta-row{ display:flex; gap:16px; margin-top:30px; flex-wrap:wrap; }
.hero-stats{ display:flex; gap:34px; margin-top:44px; flex-wrap:wrap; }
.hero-stats div{ font-family:var(--font-mono); }
.hero-stats .num{ font-size:1.5rem; color:var(--teal-deep); display:block; }
.hero-stats .label{ font-size:.7rem; letter-spacing:.06em; text-transform:uppercase; color:var(--sage); }
.hero-visual{ display:flex; justify-content:center; align-items:center; position:relative; }
@media (max-width:900px){
  .hero .container{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; }
}

/* ---------- sections ---------- */
section{ padding:84px 0; }
.section-tight{ padding:56px 0; }
.section-alt{ background:var(--paper-raised); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-ink{ background:var(--ink); color:#EDEFEA; }
.section-ink p{ color:#B9C7C2; }
.section-ink h2{ color:#fff; }
.section-head{ max-width:64ch; margin-bottom:48px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* ---------- procedure grid (home) ---------- */
.proc-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.proc-card{ background:var(--paper-raised); padding:32px 26px; display:flex; flex-direction:column; gap:14px; }
.proc-card .tag{ font-family:var(--font-mono); font-size:.68rem; letter-spacing:.08em; text-transform:uppercase; color:var(--bronze); }
.proc-card h3{ font-size:1.18rem; }
.proc-card p{ font-size:.93rem; margin-bottom:0; flex-grow:1; }
.proc-card .text-link{ margin-top:6px; }
@media (max-width:900px){ .proc-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .proc-grid{ grid-template-columns:1fr; } }

/* ---------- credential list ---------- */
.cred-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; }
.cred-list li{
  display:grid; grid-template-columns:120px 1fr; gap:20px;
  padding:22px 0; border-top:1px solid var(--line);
}
.cred-list li:last-child{ border-bottom:1px solid var(--line); }
.cred-list .yr{ font-family:var(--font-mono); color:var(--sage); font-size:.85rem; padding-top:2px; }

/* ---------- two-col layout ---------- */
.split{ display:grid; grid-template-columns:.9fr 1.1fr; gap:60px; align-items:start; }
.split.reverse{ grid-template-columns:1.1fr .9fr; }
.split.reverse .split-media{ order:2; }
@media (max-width:860px){ .split, .split.reverse{ grid-template-columns:1fr; } .split.reverse .split-media{ order:0; } }
.split-media img{ border:1px solid var(--line); }

/* ---------- steps (genuinely sequential — timeline content only) ---------- */
.steps{ counter-reset:step; display:flex; flex-direction:column; }
.step{ display:grid; grid-template-columns:56px 1fr; gap:22px; padding:26px 0; border-top:1px solid var(--line); }
.step:last-child{ border-bottom:1px solid var(--line); }
.step::before{
  counter-increment:step; content:counter(step,decimal-leading-zero);
  font-family:var(--font-mono); font-size:1rem; color:var(--bronze);
}

/* ---------- FAQ ---------- */
.faq-item{ border-top:1px solid var(--line); padding:24px 0; }
.faq-item:last-child{ border-bottom:1px solid var(--line); }
.faq-item h4{ font-family:var(--font-body); font-weight:600; font-size:1.02rem; margin-bottom:.5em; }
.faq-item p{ margin-bottom:0; }

/* ---------- insurers strip ---------- */
.insurer-strip{ display:flex; align-items:center; gap:48px; flex-wrap:wrap; opacity:.85; }
.insurer-strip img{ height:34px; width:auto; filter:grayscale(1); opacity:.75; }

/* ---------- before/after ---------- */
.ba-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.ba-card{ background:var(--paper-raised); border:1px solid var(--line); }
.ba-card img{ width:100%; height:300px; object-fit:cover; cursor:zoom-in; transition:opacity .15s; }
.ba-card img:hover{ opacity:.88; }
.ba-card .cap{ padding:14px 18px; font-family:var(--font-mono); font-size:.72rem; letter-spacing:.05em; text-transform:uppercase; color:var(--sage); }
@media (max-width:860px){ .ba-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .ba-grid{ grid-template-columns:1fr; } }

/* ---------- conditions grid ---------- */
.conditions-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.conditions-card{ background:var(--paper-raised); padding:34px 30px; }
.conditions-card .tag{ font-family:var(--font-mono); font-size:.68rem; letter-spacing:.08em; text-transform:uppercase; color:var(--bronze); }
.conditions-card h3{ font-size:1.18rem; margin-top:10px; }
.conditions-card p{ font-size:.9rem; margin-bottom:0; }
.conditions-card ul{ list-style:none; padding:0; margin:16px 0 0; display:flex; flex-direction:column; gap:11px; }
.conditions-card li{ font-size:.93rem; color:var(--ink-soft); padding-left:18px; position:relative; }
.conditions-card li::before{ content:""; position:absolute; left:0; top:.55em; width:6px; height:6px; border-radius:50%; background:var(--teal); }
.conditions-card .text-link{ display:inline-block; margin-top:20px; }
@media (max-width:860px){ .conditions-grid{ grid-template-columns:1fr; } }

/* ---------- diagram panels ---------- */
.diagram-panels{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); }
.diagram-panel{ background:var(--paper-raised); padding:28px; text-align:center; }
.diagram-panel .diagram-label{ margin-top:14px; font-family:var(--font-mono); font-size:.78rem; letter-spacing:.03em; color:var(--ink-soft); }
.diagram-panel .diagram-label strong{ display:block; color:var(--ink); font-family:var(--font-body); font-size:.95rem; font-weight:600; margin-bottom:4px; }
@media (max-width:640px){ .diagram-panels{ grid-template-columns:1fr; } }

/* ---------- FAQ page categories ---------- */
.faq-cat-nav{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:8px; }
.faq-cat-nav a{ font-family:var(--font-mono); font-size:.78rem; letter-spacing:.03em; text-transform:uppercase; color:var(--ink-soft); border:1px solid var(--line-strong); padding:8px 14px; }
.faq-cat-nav a:hover{ border-color:var(--teal); color:var(--teal-deep); }
.downtime-table{ width:100%; border-collapse:collapse; max-width:74ch; }
.downtime-table th, .downtime-table td{ text-align:left; padding:14px 16px; border-top:1px solid var(--line); font-size:.92rem; }
.downtime-table th{ font-family:var(--font-mono); font-size:.68rem; letter-spacing:.06em; text-transform:uppercase; color:var(--sage); font-weight:500; }
.downtime-table tr:last-child td{ border-bottom:1px solid var(--line); }

/* ---------- lightbox ---------- */
.lightbox-overlay{
  position:fixed; inset:0; z-index:200; background:rgba(20,43,41,.94);
  display:flex; align-items:center; justify-content:center; padding:40px;
  opacity:0; pointer-events:none; transition:opacity .25s ease;
}
.lightbox-overlay.active{ opacity:1; pointer-events:auto; }
.lightbox-overlay img{ max-width:min(90vw,760px); max-height:86vh; border:2px solid rgba(255,255,255,.15); box-shadow:0 30px 80px rgba(0,0,0,.5); }
.lightbox-close{
  position:absolute; top:26px; right:30px; color:#EDEFEA; background:none; border:1px solid rgba(255,255,255,.35);
  font-family:var(--font-mono); font-size:.75rem; letter-spacing:.06em; text-transform:uppercase;
  padding:9px 16px; cursor:pointer;
}
.lightbox-close:hover{ background:rgba(255,255,255,.1); }
.lightbox-cap{ position:absolute; bottom:28px; left:0; right:0; text-align:center; color:#B9C7C2; font-family:var(--font-mono); font-size:.75rem; letter-spacing:.05em; text-transform:uppercase; }

/* ---------- blog ---------- */
.blog-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:36px; }
.blog-card{ display:flex; flex-direction:column; }
.blog-card .eyebrow{ margin-bottom:14px; }
.blog-card h3{ margin-bottom:10px; }
.blog-card p{ font-size:.95rem; }
@media (max-width:860px){ .blog-grid{ grid-template-columns:1fr; } }
.post-header{ max-width:74ch; }
.post-body{ max-width:74ch; font-size:1.05rem; }
.post-body h2{ margin-top:1.4em; }
.post-body blockquote{
  margin:2em 0; padding-left:22px; border-left:2px solid var(--bronze);
  font-family:var(--font-display); font-style:italic; font-size:1.25rem; color:var(--ink);
}

/* ---------- author byline (E-E-A-T) ---------- */
.author-box{
  display:flex; align-items:center; gap:16px; padding:18px 22px;
  background:var(--paper-raised); border:1px solid var(--line); max-width:74ch; margin:28px 0 0;
}
.author-box img{ width:56px; height:56px; border-radius:50%; object-fit:cover; flex-shrink:0; }
.author-box .name{ font-family:var(--font-body); font-weight:600; font-size:.98rem; color:var(--ink); }
.author-box .cred{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.04em; text-transform:uppercase; color:var(--sage); margin-top:2px; }
.author-box a{ margin-left:auto; }

/* ---------- contact ---------- */
.clinic-grid{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); }
.clinic-card{ background:var(--paper-raised); padding:36px; }
.clinic-card dl{ margin:18px 0 0; font-family:var(--font-mono); font-size:.86rem; }
.clinic-card dt{ color:var(--sage); margin-top:12px; text-transform:uppercase; font-size:.68rem; letter-spacing:.06em; }
.clinic-card dd{ margin:2px 0 0; color:var(--ink); }
@media (max-width:760px){ .clinic-grid{ grid-template-columns:1fr; } }

.cta-band{ background:var(--teal-deep); color:#fff; padding:64px 0; }
.cta-band h2{ color:#fff; }
.cta-band p{ color:#D8E6E2; }
.cta-band .cta-row{ display:flex; gap:16px; margin-top:26px; flex-wrap:wrap; }
.cta-band .btn{ background:#fff; color:var(--ink); border-color:#fff; }
.cta-band .btn:hover{ background:var(--bronze); border-color:var(--bronze); color:#fff; }
.cta-band .btn-outline{ background:transparent; color:#fff; border-color:rgba(255,255,255,.5); }
.cta-band .btn-outline:hover{ background:#fff; color:var(--ink); }

/* ---------- scroll reveal ---------- */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .8s cubic-bezier(.2,.6,.2,1), transform .8s cubic-bezier(.2,.6,.2,1); }
.reveal.in-view{ opacity:1; transform:none; }
.reveal-stagger.in-view > *{ transition-delay:calc(var(--i,0) * 70ms); }
@media (prefers-reduced-motion: reduce){ .reveal{ opacity:1; transform:none; } }

/* ---------- footer ---------- */
footer{ background:var(--ink); color:#B9C7C2; padding:56px 0 28px; font-size:.92rem; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px; }
footer h4{ color:#fff; font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; margin-bottom:16px; }
footer a{ display:block; color:#B9C7C2; padding:5px 0; }
footer a:hover{ color:var(--bronze-soft); }
.footer-brand{ font-family:var(--font-display); color:#fff; font-size:1.2rem; margin-bottom:12px; }
.footer-bottom{
  margin-top:44px; padding-top:22px; border-top:1px solid #2A423E;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-family:var(--font-mono); font-size:.72rem; color:#7C948E;
}
@media (max-width:760px){ .footer-grid{ grid-template-columns:1fr 1fr; } }