/* ============================================================
   Martha's Vineyard Osteopathy — stylesheet
   Palette: sand, sea glass, dune gold, deep tide slate
   Display: Fraunces  /  Body: Public Sans
   ============================================================ */

:root {
  --color-bg: #F6F2E9;
  --color-bg-alt: #EFE8D8;
  --color-ink: #263238;
  --color-ink-soft: #4B5A5E;
  --color-primary: #5C8374;
  --color-primary-deep: #33534A;
  --color-accent: #C08A3E;
  --color-line: #DED2B4;
  --color-white: #FFFDF8;

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max-width: 1080px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 3rem;
  --space-5: 5rem;
  --space-6: 8rem;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-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: var(--color-primary-deep); }
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  color: var(--color-primary-deep);
  margin: 0 0 var(--space-2);
}

h2 { font-size: clamp(1.7rem, 3vw, 2.35rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 var(--space-2); color: var(--color-ink-soft); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 242, 233, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}

.brand {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary-deep);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.brand span { color: var(--color-accent); }

.site-nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
}

.site-nav a {
  text-decoration: none;
  color: var(--color-ink-soft);
  font-size: 0.92rem;
  font-weight: 500;
}

.site-nav a:hover { color: var(--color-primary-deep); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 0.4rem 0.6rem;
  font-family: var(--font-body);
  color: var(--color-ink);
}

@media (max-width: 720px) {
  .nav-toggle { display: inline-block; }
  .site-nav {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 100%;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-line);
  }
  .site-nav.open { display: block; }
  .site-nav ul {
    flex-direction: column;
    padding: var(--space-2) var(--space-3) var(--space-3);
    gap: var(--space-2);
  }
}

/* ---------- Tideline signature divider ---------- */
.tideline {
  width: 100%;
  height: 34px;
  display: block;
  overflow: hidden;
}

.tideline svg { width: 100%; height: 100%; }

.tideline path {
  animation: drift 22s linear infinite;
}

@keyframes drift {
  from { transform: translateX(0); }
  to { transform: translateX(-200px); }
}

/* ---------- Hero ---------- */
.hero {
  padding: var(--space-6) 0 var(--space-5);
  background:
    radial-gradient(ellipse at 15% 0%, rgba(92,131,116,0.10), transparent 55%),
    var(--color-bg);
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-4);
  align-items: center;
}

@media (max-width: 800px) {
  .hero .wrap { grid-template-columns: 1fr; }
}

.hero h1 {
  font-size: clamp(2.3rem, 5vw, 3.4rem);
  margin-bottom: var(--space-2);
}

.hero .lede {
  font-size: 1.15rem;
  color: var(--color-ink-soft);
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
  background: var(--color-primary-deep);
  color: var(--color-white);
}

.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(51,83,74,0.28); }

.btn-ghost {
  background: transparent;
  color: var(--color-primary-deep);
  border: 1.5px solid var(--color-primary-deep);
}

.btn-ghost:hover { background: rgba(51,83,74,0.06); }

.hero-portrait {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  aspect-ratio: 4 / 5;
  background: linear-gradient(160deg, #DCE5DD, #C7D6C9 55%, #A9C0AC);
  display: flex;
  align-items: flex-end;
  padding: var(--space-3);
  position: relative;
}

.hero-portrait::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(180deg, rgba(255,255,255,0.25) 0 2px, transparent 2px 22px);
  mix-blend-mode: overlay;
  opacity: 0.5;
}

.hero-portrait figcaption {
  position: relative;
  color: #1E332B;
  font-family: var(--font-display);
  font-size: 0.95rem;
  background: rgba(255,253,248,0.82);
  padding: 0.6rem 0.9rem;
  border-radius: 10px;
}

/* ---------- Section rhythm ---------- */
section { padding: var(--space-5) 0; }

.section-alt { background: var(--color-bg-alt); }

.section-head {
  max-width: 62ch;
  margin-bottom: var(--space-4);
}

/* ---------- About / bio ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  align-items: start;
}

@media (max-width: 800px) {
  .about-grid { grid-template-columns: 1fr; }
}

.credential-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-line);
}

.credential-list li {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 0.95rem;
}

.credential-list .year {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-accent);
}

.credential-list .detail { color: var(--color-ink-soft); }

/* ---------- Philosophy / lineage ---------- */
.lineage {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--color-primary-deep);
  margin: var(--space-3) 0;
}

.lineage .node {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  padding: 0.4rem 1rem;
}

.lineage .arrow { color: var(--color-accent); font-size: 1rem; }

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

@media (max-width: 860px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .services-grid { grid-template-columns: 1fr; }
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: 16px;
  padding: var(--space-3);
}

.service-card .mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(92,131,116,0.14);
  color: var(--color-primary-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
}

/* ---------- Quote / practice note ---------- */
.practice-note {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-3);
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-primary-deep);
  max-width: 60ch;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-4);
}

@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-info dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-1) var(--space-2);
  margin: var(--space-3) 0;
}

.contact-info dt {
  font-weight: 600;
  color: var(--color-primary-deep);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  align-self: start;
  padding-top: 0.15rem;
}

.contact-info dd {
  margin: 0;
  color: var(--color-ink-soft);
}

.map-frame {
  border: 1px solid var(--color-line);
  border-radius: 14px;
  overflow: hidden;
  margin-top: var(--space-3);
}

.map-frame iframe { width: 100%; height: 220px; border: 0; display: block; }

.contact-form {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: 18px;
  padding: var(--space-4);
}

.form-row { margin-bottom: var(--space-2); }

.form-row label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-deep);
  margin-bottom: 0.35rem;
}

.form-row input,
.form-row textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  background: var(--color-bg);
  color: var(--color-ink);
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--color-primary);
}

.form-note {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  margin-top: var(--space-2);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary-deep);
  color: #E4EBE6;
  padding: var(--space-4) 0 var(--space-3);
}

.site-footer a { color: #E4EBE6; }

.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(228,235,230,0.2);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.footer-fine {
  padding-top: var(--space-2);
  font-size: 0.8rem;
  color: rgba(228,235,230,0.75);
  max-width: 68ch;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary-deep);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 0 0 8px 0;
  z-index: 100;
}

.skip-link:focus { left: 0; }