:root {
    --bg: #F4F7F6;
    --surface: #E5EDEB;
    --ink: #1C3333;
    --muted: #46605F;
    --line: #C4D4D1;
    --tide: #2A6665;
    --honey: #E0A93B;
    --honey-ink: #1C3333;
    --ring: #7DB5B0;
    --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
    --sans: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
    box-sizing: border-box;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --bg: #101E1D; --surface: #172A29; --ink: #E3EEEC; --muted: #A2BAB7;
      --line: #2B4443; --tide: #86C6C1; --ring: #3F7F7B;
    }
  }
  :root[data-theme="dark"] {
    --bg: #101E1D; --surface: #172A29; --ink: #E3EEEC; --muted: #A2BAB7;
    --line: #2B4443; --tide: #86C6C1; --ring: #3F7F7B;
  }
  html { scroll-padding-top: calc(env(safe-area-inset-top, 0px) + 72px); scroll-behavior: smooth; }
  *, *::before, *::after { box-sizing: border-box; }
  body {
    margin: 0; background: var(--bg); color: var(--ink);
    font-family: var(--sans); font-size: 1.0625rem; line-height: 1.65;
    -webkit-font-smoothing: antialiased;
  }
  a { color: var(--tide); text-underline-offset: 3px; }
  a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
    outline: 3px solid var(--honey); outline-offset: 3px; border-radius: 4px;
  }
  .wrap { width: min(1080px, 100% - 2.5rem); margin-inline: auto; }
  h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.08; margin: 0; letter-spacing: -0.01em; }
  h1 { font-size: clamp(2.8rem, 7vw, 5rem); }
  h2 { font-size: clamp(2rem, 4.2vw, 3rem); }
  h3 { font-size: 1.5rem; }
  p { margin: 0 0 1em; max-width: 62ch; }

  /* Header */
  header.site {
    position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10;
    background: color-mix(in srgb, var(--bg) 90%, transparent);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
  }
  header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; }
  .brand { font-family: var(--serif); font-size: 1.5rem; color: var(--ink); text-decoration: none; white-space: nowrap; }
  nav ul { list-style: none; display: flex; gap: 1.5rem; margin: 0; padding: 0; align-items: center; }
  nav a { color: var(--ink); text-decoration: none; font-size: .95rem; font-weight: 500; }
  nav a:hover { color: var(--tide); text-decoration: underline; }
  .btn {
    display: inline-block; background: var(--honey); color: var(--honey-ink);
    padding: .8rem 1.5rem; border-radius: 999px; font-weight: 600; font-size: 1rem;
    text-decoration: none; border: 0; cursor: pointer; font-family: inherit;
  }
  .btn:hover { filter: brightness(1.06); }
  nav .btn { padding: .5rem 1.1rem; font-size: .9rem; color: var(--honey-ink); }
  nav a.btn:hover { color: var(--honey-ink); text-decoration: none; }
  @media (max-width: 520px) { .brand { font-size: 1.2rem; line-height: 1.1; white-space: normal; } nav .btn { padding: .5rem .9rem; font-size: .85rem; } }

  /* Hero */
  .hero { padding: clamp(3rem, 8vw, 6rem) 0 clamp(3rem, 8vw, 5.5rem); }
  .hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
  .hero p.lead { font-size: clamp(1.35rem, 2.8vw, 1.7rem); line-height: 1.5; color: var(--ink); margin: 0 0 2rem; }
  .sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  #aboutIntro p.lead { font-size: clamp(1.2rem, 2.4vw, 1.45rem); line-height: 1.5; color: var(--muted); margin: 1.5rem 0 2rem; max-width: 46ch; }
  #aboutIntro .actions { display: flex; flex-wrap: wrap; gap: 1.25rem; align-items: center; }
  .intro-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
  @media (max-width: 820px) { .intro-grid { grid-template-columns: 1fr; gap: 2rem; } }
  #aboutIntro { padding-bottom: 0; }
  #aboutIntro h1 { max-width: 14ch; }
  #about { padding-top: clamp(2.5rem, 5vw, 3.5rem); }
  .hero .actions { display: flex; flex-wrap: wrap; gap: 1.25rem; align-items: center; }
  .breath { display: grid; place-items: center; aspect-ratio: 1; width: min(100%, 420px); margin-inline: auto; position: relative; }
  .breath .ring, .breath .core { position: absolute; border-radius: 50%; }
  .breath .ring { inset: 0; border: 1px solid var(--ring); animation: breathe 10s ease-in-out infinite; }
  .breath .ring.r2 { inset: 9%; animation-delay: .35s; opacity: .8; }
  .breath .ring.r3 { inset: 18%; animation-delay: .7s; opacity: .6; }
  .breath .core { inset: 27%; background: var(--surface); border: 1px solid var(--ring); animation: breathe 10s ease-in-out infinite 1s; }
  .breath .label { position: relative; font-family: var(--serif); font-size: 1.6rem; font-style: italic; text-align: center; color: var(--ink); }
  @keyframes breathe { 0%, 100% { transform: scale(.72); } 40% { transform: scale(1); } }
  @media (prefers-reduced-motion: reduce) {
    .breath .ring, .breath .core { animation: none; transform: scale(.9); }
    html { scroll-behavior: auto; }
  }
  @media (max-width: 820px) {
      .breath { width: min(78%, 320px); order: -1; }
  }

  section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
  section.tint { background: var(--surface); }
  [hidden] { display: none !important; }
  #contact { border-top: 1px solid var(--line); }
  .section-head { margin-bottom: 2.5rem; }

  /* About */
  .about { display: grid; grid-template-columns: .6fr 1.4fr; gap: 3.5rem; align-items: start; }
  .portrait {
    aspect-ratio: 4/5; border-radius: 999px 999px 24px 24px; background: var(--surface);
    border: 1px solid var(--line); display: grid; place-items: center;
    font-family: var(--serif); font-size: 3.75rem; color: var(--tide);
  }
  .portrait { overflow: hidden; }
  .portrait img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; display: block; }
  section.tint .portrait { background: var(--bg); }
  @media (max-width: 760px) { .about { grid-template-columns: 1fr; gap: 2rem; } .portrait { max-width: 240px; } }

  /* Specialties */
  dl.focus { margin: 0; border-top: 1px solid var(--line); }
  dl.focus .row { display: grid; grid-template-columns: 1fr 1.6fr; gap: 2rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line); }
  dl.focus dt { font-family: var(--serif); font-size: 1.6rem; line-height: 1.15; }
  dl.focus dd { margin: 0; color: var(--muted); }
  @media (max-width: 700px) { dl.focus .row { grid-template-columns: 1fr; gap: .4rem; } }

  /* First session */
  ol.steps { list-style: none; margin: 0; padding: 0; counter-reset: s; display: grid; gap: 0; max-width: 760px; }
  ol.steps li { counter-increment: s; display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding: 1.25rem 0; border-top: 1px solid var(--line); }
  ol.steps li:last-child { border-bottom: 1px solid var(--line); }
  ol.steps li::before { content: counter(s); font-family: var(--serif); font-size: 2rem; line-height: 1; color: var(--tide); }
  ol.steps strong { display: block; font-weight: 600; margin-bottom: .15rem; }
  ol.steps span { color: var(--muted); }

  /* Fees */
  .fees { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
  .fees ul { list-style: none; padding: 0; margin: 0; }
  .fees li { display: flex; justify-content: space-between; gap: 1rem; padding: .9rem 0; border-bottom: 1px solid var(--line); }
  .fees li span:last-child { font-weight: 600; white-space: nowrap; }
  @media (max-width: 760px) { .fees { grid-template-columns: 1fr; gap: 2rem; } }

  /* FAQ */
  details { border-top: 1px solid var(--line); padding: 1.1rem 0; max-width: 760px; }
  details:last-of-type { border-bottom: 1px solid var(--line); }
  summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
  summary::-webkit-details-marker { display: none; }
  summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--tide); transition: transform .2s; }
  details[open] summary::after { transform: rotate(45deg); }
  details p { margin: .8rem 0 0; color: var(--muted); }

  /* Contact */
  .contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3.5rem; }
  .contact address { font-style: normal; color: var(--muted); }
  .contact address a { font-weight: 500; }
  form { display: grid; gap: 1.1rem; }
  label { display: grid; gap: .35rem; font-weight: 500; font-size: .95rem; }
  input, textarea, select {
    font: inherit; color: var(--ink); background: var(--bg);
    border: 1px solid var(--line); border-radius: 12px; padding: .75rem .9rem; width: 100%;
  }
  section.tint input, section.tint textarea, section.tint select { background: var(--bg); }
  textarea { min-height: 130px; resize: vertical; }
  .note { font-size: .9rem; color: var(--muted); }
  @media (max-width: 820px) { .contact { grid-template-columns: 1fr; gap: 2.5rem; } }

  .crisis { background: var(--ink); color: var(--bg); padding: 1.1rem 0; font-size: .98rem; }
  .crisis p { margin: 0; max-width: none; }
  .crisis a { color: var(--honey); font-weight: 600; }

  footer { padding: 3rem 0 3.5rem; font-size: .92rem; color: var(--muted); }
  footer .license { border: 1px solid var(--line); border-radius: 14px; padding: 1.25rem 1.4rem; max-width: 720px; margin-bottom: 1.5rem; }
  footer .license strong { color: var(--ink); }
  footer p { max-width: 74ch; }

  /* Multi-page additions */
  .menu-toggle { display: none; font: inherit; font-weight: 600; font-size: .95rem; color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 999px; padding: .45rem 1rem; cursor: pointer; }
  nav a[aria-current="page"] { color: var(--tide); text-decoration: underline; text-underline-offset: 6px; }
  .hero .actions .text-link { font-weight: 500; }
  @media (max-width: 760px) {
    .menu-toggle { display: inline-flex; }
    header.site nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--bg); border-bottom: 1px solid var(--line); padding: 1rem 1.25rem 1.5rem; }
    header.site nav.open { display: block; }
    header.site nav ul { flex-direction: column; align-items: flex-start; gap: 1rem; }
    nav a { font-size: 1.05rem; }
  }