/* ==========================================================================
   THNK Homeopathy — Design System
   Calm & clinical palette derived provisionally from the practice's existing
   teal/sage colour cues (no signage photo supplied yet — swap the tokens
   below the moment real brand colours/logo are available).
   ========================================================================== */

:root {
  /* Colour tokens */
  --teal-900: #1f4645;
  --teal-700: #2f6360;
  --teal-600: #3a746f;
  --teal-500: #4c8c89;
  --teal-300: #8fbdb9;
  --teal-100: #dcebe9;
  --sage-400: #a9c09a;
  --sage-200: #dde8d4;
  --cream-50: #faf8f4;
  --cream-100: #f3efe6;
  --ink-900: #23302e;
  --ink-600: #52605d;
  --ink-300: #8a9895;
  --white: #ffffff;
  --danger: #b3552f;

  /* Typography */
  --font-heading: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;

  /* Layout */
  --max-width: 1140px;
  --radius: 10px;
  --shadow-soft: 0 4px 24px rgba(31, 70, 69, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cream-50);
  color: var(--ink-900);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--teal-900);
  line-height: 1.15;
  margin: 0 0 var(--space-2);
  font-weight: 600;
}

h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); font-weight: 500; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 var(--space-2); color: var(--ink-600); }

a { color: var(--teal-700); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--sage-400);
  outline-offset: 2px;
}

img { max-width: 100%; display: block; }

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

.visually-hidden {
  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(--teal-900);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary {
  background: var(--teal-600);
  color: var(--white);
}
.btn-primary:hover { background: var(--teal-700); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border-color: var(--teal-600);
  color: var(--teal-700);
}
.btn-outline:hover { background: var(--teal-100); }
.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; }

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--teal-100);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--teal-900);
}
.brand-mark {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal-600), var(--sage-400));
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.brand-tagline {
  display: block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: var(--ink-600);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav { display: flex; align-items: center; gap: var(--space-4); }
.nav-links { display: flex; gap: var(--space-3); list-style: none; margin: 0; padding: 0; }
.nav-links a {
  text-decoration: none;
  color: var(--ink-900);
  font-weight: 500;
  font-size: 0.98rem;
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover, .nav-links a[aria-current="page"] {
  color: var(--teal-700);
  border-bottom-color: var(--sage-400);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--teal-900);
  margin: 5px 0;
  transition: 0.2s;
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .main-nav { position: relative; }
  .nav-links {
    position: absolute;
    top: calc(100% + 1rem);
    right: 0;
    background: var(--white);
    flex-direction: column;
    gap: 0;
    box-shadow: var(--shadow-soft);
    border-radius: var(--radius);
    padding: var(--space-2);
    min-width: 220px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 0.6rem 0.4rem; }
  .nav-cta { display: none; }
}

/* Hero */
.hero {
  padding: var(--space-6) 0 var(--space-5);
  background: linear-gradient(160deg, var(--teal-100) 0%, var(--cream-50) 55%);
  overflow: hidden;
  position: relative;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-4);
  align-items: center;
}
.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--teal-700);
  margin-bottom: var(--space-1);
  display: block;
}
.hero-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-top: var(--space-3); }
.hero-visual {
  aspect-ratio: 4 / 5;
  border-radius: 28px;
  background: radial-gradient(circle at 30% 20%, var(--sage-200), var(--teal-500) 75%);
  position: relative;
  box-shadow: var(--shadow-soft);
}
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: 20px;
}
@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { max-width: 320px; margin: 0 auto; }
}

/* Sections */
.section { padding: var(--space-5) 0; }
.section-alt { background: var(--cream-100); }
.section-header { max-width: 640px; margin: 0 auto var(--space-4); text-align: center; }
.section-header p { margin: 0; }
.section-teal { background: var(--teal-900); color: var(--white); }
.section-teal h2, .section-teal h3 { color: var(--white); }
.section-teal p { color: var(--teal-100); }

/* Cards / grid */
.grid { display: grid; gap: var(--space-3); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: var(--space-3);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(31,70,69,0.06);
  height: 100%;
}
.card-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--teal-100);
  color: var(--teal-700);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-2);
  font-size: 1.4rem;
}

/* Tag / badge */
.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: var(--sage-200);
  color: var(--teal-900);
}
.tag-holiday { background: #f3d9c7; color: #7a3c15; }
.tag-hours { background: var(--teal-100); color: var(--teal-800, var(--teal-900)); }
.tag-news { background: var(--sage-200); color: var(--teal-900); }
.tag-practice { background: #ece2f7; color: #4b2e73; }

/* Update / news cards */
.update-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid rgba(31,70,69,0.08);
  padding: var(--space-3);
  box-shadow: var(--shadow-soft);
}
.update-meta { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.6rem; flex-wrap: wrap; }
.update-date { font-size: 0.85rem; color: var(--ink-300); font-weight: 600; }
.update-list { display: flex; flex-direction: column; gap: var(--space-3); }

/* Contact / info blocks */
.info-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.info-list li { display: flex; gap: 0.75rem; align-items: flex-start; }
.info-icon {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--teal-100); color: var(--teal-700);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 1rem;
}

.hours-table { width: 100%; border-collapse: collapse; }
.hours-table td { padding: 0.5rem 0; border-bottom: 1px solid var(--cream-100); }
.hours-table td:last-child { text-align: right; font-weight: 600; color: var(--teal-800, var(--teal-900)); }

.map-frame {
  width: 100%; height: 320px;
  border: 0; border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

/* CTA band */
.cta-band {
  text-align: center;
  padding: var(--space-5) var(--space-3);
  border-radius: 24px;
  background: linear-gradient(135deg, var(--teal-700), var(--teal-900));
  color: var(--white);
}
.cta-band h2 { color: var(--white); }
.cta-band p { color: var(--teal-100); max-width: 520px; margin: 0 auto var(--space-3); }

/* Footer */
.site-footer {
  background: var(--teal-900);
  color: var(--teal-100);
  padding: var(--space-5) 0 var(--space-3);
  margin-top: var(--space-5);
}
.site-footer a { color: var(--white); }
.site-footer p { color: var(--teal-100); }
.site-footer .hours-table td { border-bottom-color: rgba(255,255,255,0.15); color: var(--teal-100); }
.site-footer .hours-table td:last-child { color: var(--white); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-3); }
}
.footer-grid h4 { color: var(--white); font-size: 1rem; margin-bottom: var(--space-2); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: var(--space-2);
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--teal-300);
}
.social-links { display: flex; gap: 0.75rem; margin-top: var(--space-2); }
.social-links a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none;
}
.social-links a:hover { background: rgba(255,255,255,0.2); }

/* Utility */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--teal-700);
}