:root {
    --portrait: url("/portrait.jpg");
    --bg: #F3F6F7; --surface: #FFFFFF; --surface-2: #E9EFF0; --ink: #16242B;
    --ink-2: #4F626C; --line: #DBE4E7; --teal: #0E7C86; --teal-2: #0B5C64;
    --teal-soft: #E1F1F1; --gold: #B98A2E;
    --font-display: Georgia, "Palatino Linotype", "Book Antiqua", "Times New Roman", serif;
    --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --maxw: 1120px;
    --h2: clamp(1.7rem, 3.2vw, 2.5rem);
    --display: clamp(2.3rem, 5vw, 3.7rem);
  }
  @media (prefers-color-scheme: dark) {
    :root {
      --bg: #0C1417; --surface: #121D22; --surface-2: #18262C; --ink: #EAF2F3;
      --ink-2: #9EB2BA; --line: #223037; --teal: #2CA9B0; --teal-2: #17939B;
      --teal-soft: #113230; --gold: #D3A652;
    }
  }
  :root[data-theme="light"] {
    --bg: #F3F6F7; --surface: #FFFFFF; --surface-2: #E9EFF0; --ink: #16242B;
    --ink-2: #4F626C; --line: #DBE4E7; --teal: #0E7C86; --teal-2: #0B5C64;
    --teal-soft: #E1F1F1; --gold: #B98A2E;
  }
  :root[data-theme="dark"] {
    --bg: #0C1417; --surface: #121D22; --surface-2: #18262C; --ink: #EAF2F3;
    --ink-2: #9EB2BA; --line: #223037; --teal: #2CA9B0; --teal-2: #17939B;
    --teal-soft: #113230; --gold: #D3A652;
  }

  * { box-sizing: border-box; }
  body { margin: 0; }
  .dg { background: var(--bg); color: var(--ink); font-family: var(--font-body); line-height: 1.65; font-size: 17px; -webkit-font-smoothing: antialiased; }
  .dg a { color: inherit; text-decoration: none; }
  .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
  h1, h2, h3 { font-family: var(--font-display); font-weight: 700; margin: 0; text-wrap: balance; }
  .eyebrow { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--teal); font-weight: 700; }

  .concept-bar { background: var(--surface-2); color: var(--ink-2); font-size: 0.72rem; letter-spacing: 0.08em; text-align: center; padding: 8px 16px; border-bottom: 1px solid var(--line); }
  .concept-bar b { color: var(--teal); }

  .head { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--surface) 90%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
  .head .wrap { display: flex; align-items: center; justify-content: space-between; height: 70px; }
  .brand { display: flex; align-items: center; gap: 12px; }
  .brand .dot { width: 40px; height: 40px; border-radius: 50%; background: var(--portrait) center/cover; box-shadow: 0 0 0 1px var(--line); }
  .brand .nm { font-family: var(--font-display); font-weight: 700; font-size: 1.16rem; line-height: 1.1; }
  .brand .nm small { display: block; font-family: var(--font-body); font-weight: 500; font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-2); margin-top: 2px; }
  .nav { display: flex; align-items: center; gap: 28px; }
  .nav a.link { font-size: 0.82rem; letter-spacing: 0.03em; color: var(--ink-2); font-weight: 600; transition: color .15s; }
  .nav a.link:hover { color: var(--teal); }
  .btn { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 0.85rem; padding: 11px 20px; border-radius: 3px; cursor: pointer; border: 1px solid transparent; transition: transform .12s, background .15s, color .15s; }
  .btn-teal { background: var(--teal); color: #fff; }
  .btn-teal:hover { background: var(--teal-2); transform: translateY(-1px); }
  .btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
  .btn-ghost:hover { border-color: var(--teal); color: var(--teal); }
  @media (max-width: 820px) { .nav .link { display: none; } }

  /* hero */
  .hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
  .hero::after { content: ""; position: absolute; top: -20%; right: -8%; width: 46%; height: 150%; background: radial-gradient(circle at 60% 40%, var(--teal-soft), transparent 68%); pointer-events: none; }
  .hero .hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; opacity: 0.85; }
  .hero .wrap { position: relative; z-index: 2; display: grid; grid-template-columns: 1.5fr 0.9fr; gap: 48px; align-items: center; padding: 78px 24px 74px; }
  .hero h1 { font-size: var(--display); line-height: 1.05; letter-spacing: -0.015em; margin: 16px 0 0; }
  .hero .creds { font-family: var(--font-body); font-size: 0.9rem; color: var(--teal); font-weight: 600; letter-spacing: 0.02em; margin: 14px 0 0; }
  .hero .lede { color: var(--ink-2); font-size: 1.12rem; max-width: 52ch; margin: 20px 0 26px; }
  .hero .cta-row { display: flex; gap: 13px; flex-wrap: wrap; }
  .hero .loc { margin-top: 26px; font-size: 0.86rem; color: var(--ink-2); display: flex; align-items: center; gap: 9px; }
  .hero .loc b { color: var(--ink); font-weight: 600; }
  .portrait { justify-self: center; }
  .portrait .ring { width: 244px; height: 244px; border-radius: 50%; background: var(--portrait) center/cover; box-shadow: 0 24px 50px -20px rgba(14,124,134,0.55); border: 4px solid var(--surface); outline: 2px solid var(--teal); }
  .portrait .ring span { font-family: var(--font-display); font-size: 4.6rem; color: #fff; font-weight: 700; letter-spacing: 0.02em; }
  .portrait .cap { text-align: center; font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-2); margin-top: 16px; }
  .portrait .ring { position: relative; }
  .portrait .ring::before { content: ""; position: absolute; inset: -18px; border-radius: 50%; border: 1px solid var(--teal); animation: halo 3.8s ease-in-out infinite; pointer-events: none; }
  @keyframes halo { 0%, 100% { transform: scale(1); opacity: .38; } 50% { transform: scale(1.07); opacity: .1; } }

  /* trust stats band */
  .stats { background: var(--surface); border-bottom: 1px solid var(--line); }
  .stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); padding: 0 24px; }
  .stat { padding: 38px 18px; border-right: 1px solid var(--line); text-align: center; }
  .stat:last-child { border-right: 0; }
  .stat .num { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.9rem, 3.4vw, 2.7rem); line-height: 1; color: var(--teal); font-variant-numeric: tabular-nums; }
  .stat .lbl { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2); margin-top: 11px; font-weight: 600; }
  @media (max-width: 780px) {
    .stats .wrap { grid-template-columns: 1fr 1fr; }
    .stat:nth-child(2) { border-right: 0; }
    .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  }
  @media (prefers-reduced-motion: reduce) { .portrait .ring::before { animation: none; } .tcard:hover { transform: none; } }
  @media (max-width: 820px) { .hero .wrap { grid-template-columns: 1fr; gap: 34px; } .portrait { justify-self: start; } .portrait .ring { width: 150px; height: 150px; } .portrait .ring span { font-size: 3rem; } }

  /* credential strip */
  .creds-strip { background: var(--teal); color: #fff; overflow: hidden; }
  .creds-strip .marquee {
    overflow: hidden; padding: 17px 0;
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 5%, #000 95%, transparent 100%);
    mask-image: linear-gradient(90deg, transparent 0, #000 5%, #000 95%, transparent 100%);
  }
  .creds-strip .track { display: flex; width: max-content; animation: credScroll 36s linear infinite; }
  .creds-strip .track span { display: inline-flex; align-items: center; gap: 9px; padding: 0 26px; white-space: nowrap; font-size: 0.8rem; letter-spacing: 0.06em; font-weight: 600; }
  .creds-strip .track span::before { content: "✚"; opacity: 0.7; font-size: 0.8rem; }
  .creds-strip:hover .track { animation-play-state: paused; }
  @keyframes credScroll { from { transform: translateX(0); } to { transform: translateX(-25%); } }
  @media (prefers-reduced-motion: reduce) { .creds-strip .track { animation: none; } }

  section { padding: 82px 0; }
  .sec-head { max-width: 60ch; margin-bottom: 42px; }
  .sec-head h2 { font-size: var(--h2); letter-spacing: -0.01em; margin-top: 12px; line-height: 1.1; }
  .sec-head p { color: var(--ink-2); font-size: 1.05rem; margin: 14px 0 0; }

  /* about */
  .about-grid { display: grid; grid-template-columns: 1.3fr 0.9fr; gap: 50px; align-items: start; }
  .about-grid .body p { color: var(--ink-2); margin: 0 0 16px; }
  .about-grid .body p:first-child { color: var(--ink); font-size: 1.12rem; font-family: var(--font-display); line-height: 1.5; }
  .cred-card { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 8px 24px; }
  .cred-card .row { padding: 16px 0; border-bottom: 1px solid var(--line); }
  .cred-card .row:last-child { border-bottom: 0; }
  .cred-card .row b { display: block; font-size: 0.98rem; }
  .cred-card .row span { color: var(--ink-2); font-size: 0.86rem; }
  .cred-card .row .q { color: var(--teal); font-weight: 700; font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; }
  @media (max-width: 820px) { .about-grid { grid-template-columns: 1fr; gap: 32px; } }

  /* treatments */
  .treat { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .treat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .tcard { background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 28px 26px; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
  .tcard:hover { transform: translateY(-4px); border-color: var(--teal); box-shadow: 0 16px 34px -14px rgba(14,124,134,0.45); }
  .tcard .ic { width: 46px; height: 46px; border-radius: 11px; background: var(--teal-soft); color: var(--teal); display: grid; place-items: center; margin-bottom: 16px; transition: background .2s ease, color .2s ease, transform .2s ease; }
  .tcard .ic svg { width: 24px; height: 24px; }
  .tcard:hover .ic { background: var(--teal); color: #fff; transform: scale(1.07); }
  .tcard h3 { font-size: 1.16rem; margin-bottom: 8px; }
  .tcard p { color: var(--ink-2); font-size: 0.94rem; margin: 0; }
  @media (max-width: 820px) { .treat-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 560px) { .treat-grid { grid-template-columns: 1fr; } }

  /* experience timeline */
  .xp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
  .xp h3.blk { font-size: 1.15rem; margin-bottom: 22px; padding-bottom: 12px; border-bottom: 2px solid var(--teal); display: inline-block; }
  .item { padding: 0 0 22px 24px; border-left: 2px solid var(--line); position: relative; }
  .item:last-child { padding-bottom: 0; }
  .item::before { content: ""; position: absolute; left: -7px; top: 4px; width: 12px; height: 12px; border-radius: 50%; background: var(--teal); border: 3px solid var(--bg); }
  .item .role { font-weight: 700; font-size: 1rem; }
  .item .org { color: var(--ink-2); font-size: 0.92rem; }
  .item .yr { color: var(--teal); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em; margin-top: 2px; }
  @media (max-width: 820px) { .xp-grid { grid-template-columns: 1fr; gap: 40px; } }

  /* contact */
  .contact { background: var(--teal); color: #fff; }
  .contact .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
  .contact h2 { color: #fff; font-size: var(--h2); }
  .contact .lede { color: rgba(255,255,255,0.85); margin: 14px 0 26px; }
  .contact .lines { display: grid; gap: 2px; }
  .contact .cl { display: flex; gap: 14px; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,0.18); }
  .contact .cl:last-child { border-bottom: 0; }
  .contact .cl .lbl { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.7; min-width: 76px; padding-top: 3px; }
  .contact .cl .v { font-weight: 600; font-size: 1.05rem; }
  .refer { background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); border-radius: 8px; padding: 30px; }
  .refer h3 { color: #fff; font-size: 1.3rem; margin-bottom: 10px; }
  .refer p { color: rgba(255,255,255,0.85); font-size: 0.96rem; margin: 0 0 20px; }
  .refer .btn-white { background: #fff; color: var(--teal-2); font-weight: 700; }
  .refer .btn-white:hover { transform: translateY(-1px); }
  @media (max-width: 820px) { .contact .wrap { grid-template-columns: 1fr; gap: 32px; } }

  .foot { background: var(--surface); border-top: 1px solid var(--line); }
  .foot .wrap { padding: 40px 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; align-items: flex-start; }
  .foot .disc { color: var(--ink-2); font-size: 0.8rem; max-width: 52ch; line-height: 1.6; }
  .foot .genvora { font-size: 0.74rem; letter-spacing: 0.06em; color: var(--ink-2); border: 1px solid var(--line); border-radius: 4px; padding: 11px 15px; }
  .foot .genvora b { color: var(--teal); }

  /* FAQ */
  .faq-list { display: grid; gap: 12px; max-width: 820px; }
  .faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 2px 22px; transition: border-color .18s; }
  .faq details[open] { border-color: var(--teal); }
  .faq summary { cursor: pointer; font-family: var(--font-display); font-weight: 700; font-size: 1.06rem; padding: 18px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary::after { content: "+"; color: var(--teal); font-size: 1.6rem; font-weight: 400; line-height: 1; transition: transform .2s; }
  .faq details[open] summary::after { transform: rotate(45deg); }
  .faq details p { color: var(--ink-2); margin: 0 0 18px; font-size: 0.97rem; }

  /* clickable contact rows + floating WhatsApp */
  .contact a.cl { transition: opacity .15s; }
  .contact a.cl:hover { opacity: 0.82; }
  .contact a.cl:hover .v { text-decoration: underline; }
  .wa-fab { position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 58px; height: 58px; border-radius: 50%; background: #25D366; display: grid; place-items: center; box-shadow: 0 10px 26px -6px rgba(0,0,0,0.45); transition: transform .15s; }
  .wa-fab:hover { transform: scale(1.08); }
  .wa-fab::after { content: ""; position: absolute; inset: 0; border-radius: 50%; box-shadow: 0 0 0 0 rgba(37,211,102,0.5); animation: waPulse 2.4s ease-out infinite; }
  @keyframes waPulse { 0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.5); } 70% { box-shadow: 0 0 0 14px rgba(37,211,102,0); } 100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); } }
  @media (prefers-reduced-motion: reduce) { .wa-fab::after { animation: none; } .wa-fab:hover { transform: none; } }

  /* copy-to-clipboard toast */
  .toast { position: fixed; left: 50%; bottom: 92px; transform: translateX(-50%) translateY(16px); background: var(--teal); color: #fff; padding: 12px 22px; border-radius: 6px; font-size: 0.92rem; font-weight: 600; opacity: 0; pointer-events: none; transition: opacity .25s ease, transform .25s ease; z-index: 80; box-shadow: 0 10px 28px -8px rgba(0,0,0,0.45); }
  .toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

  /* scroll progress bar */
  .scroll-prog { position: fixed; top: 0; left: 0; height: 3px; width: 0%; z-index: 100; background: linear-gradient(90deg, var(--teal), #5fd6cd); box-shadow: 0 0 12px rgba(44,169,176,0.7); }

  /* hero headline: word-by-word reveal */
  .hero h1 .w { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: 0.08em; }
  .hero h1 .w > i { display: inline-block; font-style: normal; transform: translateY(115%); animation: wordUp .85s cubic-bezier(.2,.7,.25,1) forwards; }
  @keyframes wordUp { to { transform: translateY(0); } }

  /* condition icons draw themselves in on scroll */
  .tcard .ic svg path, .tcard .ic svg circle { stroke-dasharray: 150; stroke-dashoffset: 150; transition: stroke-dashoffset 1.15s ease .12s; }
  .tcard.in .ic svg path, .tcard.in .ic svg circle { stroke-dashoffset: 0; }

  /* 3D tilt surface */
  .tcard { transform-style: preserve-3d; will-change: transform; }
  .portrait { will-change: transform; }

  @media (prefers-reduced-motion: reduce) {
    .hero h1 .w > i { animation: none; transform: none; }
    .tcard .ic svg path, .tcard .ic svg circle { stroke-dashoffset: 0; transition: none; }
    .scroll-prog { display: none; }
  }

  .reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
  .reveal.in { opacity: 1; transform: none; }
  @media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .btn:hover, .tcard:hover { transform: none; } }

  /* interior page header */
  .page-head { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); padding: 66px 0 54px; }
  .page-head::after { content: ""; position: absolute; top: -40%; right: -6%; width: 42%; height: 170%; background: radial-gradient(circle at 60% 40%, var(--teal-soft), transparent 68%); pointer-events: none; }
  .page-head .wrap { position: relative; z-index: 2; }
  .page-head h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); line-height: 1.06; letter-spacing: -0.015em; margin: 14px 0 0; }
  .page-head .lede { color: var(--ink-2); font-size: 1.08rem; max-width: 62ch; margin: 18px 0 0; }
  .crumb { font-size: 0.76rem; color: var(--ink-2); letter-spacing: 0.04em; }
  .crumb a { color: var(--teal); font-weight: 600; }
  .prose { max-width: 68ch; }
  .prose h2 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin: 40px 0 12px; letter-spacing: -0.01em; }
  .prose p { color: var(--ink-2); margin: 0 0 14px; }
  .prose ul { color: var(--ink-2); margin: 0 0 16px; padding-left: 20px; }
  .prose li { margin-bottom: 8px; }
  .callout { background: var(--surface); border-left: 3px solid var(--teal); border-radius: 4px; padding: 18px 22px; margin: 26px 0; }
  .callout p { margin: 0; color: var(--ink); font-size: 0.96rem; }
  .cta-band { background: var(--teal); color: #fff; text-align: center; padding: 56px 24px; }
  .cta-band h2 { color: #fff; font-size: clamp(1.5rem, 2.8vw, 2.1rem); }
  .cta-band p { color: rgba(255,255,255,0.85); margin: 12px 0 24px; }
  .cta-band .row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
  /* NOTE: `.dg a { color: inherit }` (0,1,1) outranks a single class (0,1,0),
     so these need two classes to win, or the label inherits the band's white. */
  .btn.btn-white { background: #fff; color: #0B5C64; font-weight: 700; }
  .btn.btn-white:hover { background: #e6f7f6; color: #0B5C64; }
  .btn.btn-outline { background: transparent; border: 1px solid rgba(255,255,255,0.75); color: #fff; }
  .btn.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.14); color: #fff; }

  /* Accessibility: the dark-mode --teal (#2CA9B0) is too light for white text
     (measured 2.8:1). Pin the white-on-teal bands to a shade that clears WCAG AA
     in BOTH themes — important for older patients. */
  .cta-band, .contact, .creds-strip { background: #0B6B74; }
  .refer .btn-white { color: #0B5C64; }
  .rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
  @media (max-width: 820px) { .rel-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 560px) { .rel-grid { grid-template-columns: 1fr; } }
  .rel { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 16px 18px; font-weight: 600; font-size: 0.94rem; transition: border-color .18s, transform .18s; }
  .rel:hover { border-color: var(--teal); transform: translateY(-2px); color: var(--teal); }