/* =====================================================================
   PhysioCare — Public Site Styles
   Signature motif: the "range-of-motion arc" (a goniometer sweep),
   echoing the tool a physical therapist uses to measure joint angles.
   ===================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

:root{
  --color-ink: #16302E;
  --color-accent: #2F6F62;
  --color-cta: #E08E45;
  --color-bg: #EEF1EC;
  --color-white: #FFFFFF;
  --color-line: #D8DED6;
  --color-muted: #5B6B64;
  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --radius: 14px;
  --shadow-soft: 0 12px 30px -18px rgba(22,48,46,.35);
  --container: 1160px;
}

body{
  margin:0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4{ font-family: var(--font-display); line-height: 1.1; margin: 0 0 .5em; font-weight: 600; }
h1{ font-size: clamp(2.4rem, 4.5vw, 3.6rem); font-weight: 600; letter-spacing: -0.01em; }
h2{ font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3{ font-size: 1.25rem; }
p{ margin: 0 0 1em; color: var(--color-ink); }
a{ color: var(--color-accent); text-decoration: none; }
img{ max-width: 100%; display:block; }

.wrap{ max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.sr-only{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; }
.skip-link{ position:absolute; left:-999px; top:0; background:var(--color-ink); color:#fff; padding:.6em 1em; z-index:200; }
.skip-link:focus{ left:12px; top:12px; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  padding: .85em 1.6em; border-radius: 999px; font-weight:600; font-size:.98rem;
  border: 1.5px solid transparent; cursor:pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn--cta{ background: var(--color-cta); color: #fff; box-shadow: var(--shadow-soft); }
.btn--cta:hover{ transform: translateY(-2px); }
.btn--primary{ background: var(--color-ink); color:#fff; }
.btn--primary:hover{ transform: translateY(-2px); }
.btn--outline{ background: transparent; border-color: var(--color-ink); color: var(--color-ink); }
.btn--outline:hover{ background: var(--color-ink); color:#fff; }
.btn--sm{ padding:.6em 1.2em; font-size:.9rem; }
.btn:focus-visible{ outline: 3px solid var(--color-accent); outline-offset:2px; }
.btn[disabled]{ opacity:.5; cursor:not-allowed; }

/* ---------- Header ---------- */
.site-header{ position:sticky; top:0; z-index:100; background: rgba(238,241,236,.92); backdrop-filter: blur(8px); border-bottom:1px solid var(--color-line); }
.site-header__inner{ display:flex; align-items:center; gap:1.5rem; padding: 14px 24px; }
.brand{ display:flex; align-items:center; gap:.6rem; color:var(--color-ink); font-family: var(--font-display); font-weight:600; font-size:1.15rem; }
.brand__mark{ color: var(--color-accent); display:flex; }
.brand__logo{ height:36px; width:auto; }
.main-nav{ margin-left:auto; }
.main-nav__list{ display:flex; gap: 1.8rem; list-style:none; margin:0; padding:0; }
.main-nav__list a{ color: var(--color-ink); font-weight:500; padding: .3em 0; border-bottom: 2px solid transparent; }
.main-nav__list a:hover, .main-nav__list a.is-active{ border-color: var(--color-cta); }
.nav-toggle{ display:none; }
.header-cta{ margin-left: .5rem; white-space:nowrap; }

/* ---------- Hero + signature arc motif ---------- */
.hero{ padding: 64px 0 40px; }
.hero__inner{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items:center; }
.eyebrow{ font-family: var(--font-mono); text-transform:uppercase; letter-spacing:.12em; font-size:.78rem; color: var(--color-accent); font-weight:600; }
.hero__lede{ font-size:1.15rem; color: var(--color-muted); max-width: 46ch; }
.hero__ctas{ display:flex; gap: .9rem; margin-top: 1.6rem; flex-wrap:wrap; }

.arc-graphic{ position:relative; }
.arc-graphic svg{ width:100%; height:auto; }
.arc-stat{ font-family: var(--font-mono); }
.arc-stat__num{ font-size:1.4rem; font-weight:700; fill: var(--color-ink); }
.arc-stat__label{ font-size:.6rem; letter-spacing:.05em; fill: var(--color-muted); text-transform:uppercase; }

/* ---------- Section rhythm ---------- */
.section{ padding: 64px 0; }
.section--tight{ padding: 40px 0; }
.section--alt{ background: var(--color-white); }
.section-head{ max-width: 640px; margin-bottom: 2.4rem; }
.section-head p{ color: var(--color-muted); }

/* Arc divider — reused range-of-motion motif between sections */
.arc-divider{ display:flex; justify-content:center; padding: 8px 0 0; opacity:.55; }

/* ---------- Cards ---------- */
.grid{ display:grid; gap: 1.4rem; }
.grid--3{ grid-template-columns: repeat(3, 1fr); }
.grid--2{ grid-template-columns: repeat(2, 1fr); }

.card{ background: var(--color-white); border:1px solid var(--color-line); border-radius: var(--radius); padding: 1.8rem; }
.card--service .card__icon{ width:44px; height:44px; border-radius:12px; background: color-mix(in srgb, var(--color-accent) 14%, white); color: var(--color-accent); display:flex; align-items:center; justify-content:center; margin-bottom: 1rem; }
.card--service h3{ margin-bottom:.4rem; }
.card--service p{ color: var(--color-muted); margin:0; font-size:.95rem; }

.doctor-card{ background:var(--color-white); border:1px solid var(--color-line); border-radius: var(--radius); overflow:hidden; text-align:center; }
.doctor-card__photo{ aspect-ratio: 4/5; background: linear-gradient(160deg, var(--color-accent), var(--color-ink)); display:flex; align-items:center; justify-content:center; color:#fff; font-family:var(--font-display); font-size:2.2rem; }
.doctor-card__body{ padding: 1.3rem; }
.doctor-card__role{ color: var(--color-accent); font-size:.85rem; font-weight:600; }

/* ---------- CTA banner ---------- */
.cta-banner{ background: var(--color-ink); color:#fff; border-radius: 20px; padding: 3rem; display:flex; align-items:center; justify-content:space-between; gap: 2rem; flex-wrap:wrap; }
.cta-banner h2{ color:#fff; margin-bottom:.3rem; }
.cta-banner p{ color: rgba(255,255,255,.75); margin:0; }

/* ---------- About / split layout ---------- */
.split{ display:grid; grid-template-columns: .9fr 1.1fr; gap: 3rem; align-items:center; }
.split--reverse{ grid-template-columns: 1.1fr .9fr; }
.split--reverse .split__media{ order:2; }
.split__media{ background: linear-gradient(160deg, var(--color-accent), var(--color-ink)); border-radius: var(--radius); aspect-ratio: 4/3; }

/* ---------- Forms (booking/contact) ---------- */
.form-card{ background: var(--color-white); border:1px solid var(--color-line); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow-soft); }
.field{ margin-bottom: 1.1rem; }
.field label{ display:block; font-weight:600; font-size:.9rem; margin-bottom:.35rem; }
.field input, .field select, .field textarea{
  width:100%; padding:.75em .9em; border-radius:10px; border:1.5px solid var(--color-line);
  font-family: var(--font-body); font-size:1rem; background:#fff; color: var(--color-ink);
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color: var(--color-accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 20%, transparent); }
.field-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.hint{ font-size:.82rem; color: var(--color-muted); }

.slot-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap:.6rem; margin-top:.5rem; }
.slot{ font-family: var(--font-mono); font-size:.85rem; text-align:center; padding:.7em .4em; border-radius:10px; border:1.5px solid var(--color-line); background:#fff; cursor:pointer; }
.slot:hover{ border-color: var(--color-accent); }
.slot.is-selected{ background: var(--color-accent); border-color: var(--color-accent); color:#fff; }
.slot.is-taken{ background: #F1EFEA; color: #B7B0A4; text-decoration: line-through; cursor:not-allowed; border-style:dashed; }

.alert{ padding: 1em 1.2em; border-radius: 10px; margin-bottom: 1.2rem; font-size:.95rem; }
.alert--success{ background:#E4F1E9; color:#1C5E3C; border:1px solid #BEE0CB; }
.alert--error{ background:#FBE9E7; color:#9C3A2E; border:1px solid #F0C6BF; }

/* ---------- Footer ---------- */
.site-footer{ background: var(--color-ink); color: rgba(255,255,255,.85); margin-top: 60px; padding-top: 52px; }
.site-footer a{ color: rgba(255,255,255,.85); }
.site-footer a:hover{ color: #fff; }
.brand--footer{ color:#fff; margin-bottom:.8rem; }
.footer-note{ color: rgba(255,255,255,.6); max-width: 32ch; font-size:.92rem; }
.footer-heading{ font-family: var(--font-body); font-size:.85rem; text-transform:uppercase; letter-spacing:.08em; color: rgba(255,255,255,.55); margin-bottom: .9rem; }
.footer-links{ list-style:none; padding:0; margin:0; display:grid; gap:.5rem; }
.site-footer__grid{ display:grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 2rem; padding-bottom: 40px; }
.site-footer__bottom{ border-top: 1px solid rgba(255,255,255,.12); padding: 18px 24px; font-size:.85rem; color: rgba(255,255,255,.55); }

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .hero__inner, .split, .split--reverse{ grid-template-columns: 1fr; }
  .split--reverse .split__media{ order:0; }
  .grid--3{ grid-template-columns: 1fr 1fr; }
  .site-footer__grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px){
  .main-nav__list{ position:fixed; inset: 62px 0 0 0; background: var(--color-bg); flex-direction:column; padding: 2rem; display:none; gap:1.4rem; font-size:1.15rem; }
  .main-nav__list.is-open{ display:flex; }
  .nav-toggle{ display:flex; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px; }
  .nav-toggle span{ width:22px; height:2px; background: var(--color-ink); display:block; }
  .grid--3, .grid--2, .site-footer__grid, .field-row{ grid-template-columns: 1fr; }
  .slot-grid{ grid-template-columns: repeat(2, 1fr); }
  .cta-banner{ padding: 2rem; }
}