/* ============================================================
   MERIDIAN SPINE & BODY — Toronto chiropractor
   Composition: monochrome + one signal red · mixed-weight collage
   headline · Lenis scroll + parallax · museum wall labels ·
   diagonal split with opposing scroll · signature red reveal
   ============================================================ */

:root {
  --bg: #000;
  --ink: #fff;
  --muted: #9a9a9a;
  --line: rgba(255,255,255,0.14);
  --signal: #e10600;
  --font-display: "Fraunces", Georgia, serif;
  --font-sans: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--signal); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }

/* ---------- DIAGONAL SPLIT (fixed backdrop, static) ---------- */
.stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.panel {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 58%;
}
.panel-a {
  left: 0;
  background:
    radial-gradient(120% 90% at 20% 10%, rgba(255,255,255,0.06), transparent 60%),
    linear-gradient(135deg, #0a0a0a 0%, #000 100%);
  clip-path: polygon(0 0, 100% 0, 78% 100%, 0 100%);
}
.panel-b {
  right: 0;
  background:
    radial-gradient(120% 90% at 80% 90%, rgba(225,6,0,0.05), transparent 55%),
    linear-gradient(315deg, #0c0c0c 0%, #000 100%);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
}

/* ---------- HEADER ---------- */
.site-head {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem clamp(1.2rem, 4vw, 3rem);
  background: linear-gradient(to bottom, rgba(0,0,0,0.85), transparent);
}
.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.brand-dot { color: var(--signal); }
.site-nav { display: flex; gap: 2rem; }
.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.25s;
}
.site-nav a:hover { color: var(--ink); }
.head-cta {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--signal);
  padding-bottom: 0.2rem;
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 7rem clamp(1.2rem, 6vw, 5rem) 4rem;
  max-width: 1200px;
  margin: 0 auto;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.5rem;
}
.collage {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 8vw, 6.5rem);
  line-height: 0.98;
  margin: 0 0 2rem;
  max-width: 15ch;
  text-wrap: balance;
}
.collage span { display: inline-block; }
.w1 { font-weight: 900; font-variation-settings: "opsz" 144; }
.w2 { font-weight: 300; font-style: italic; font-size: 0.6em; margin: 0 0.1em; }
.w3 { font-weight: 600; font-variation-settings: "opsz" 100; }
.w4 { font-weight: 400; font-size: 0.78em; }
.w5 { font-weight: 300; font-style: italic; font-size: 0.55em; margin: 0 0.1em; }
.w6 { font-weight: 900; font-variation-settings: "opsz" 144; color: var(--signal); }
.hero-lede {
  max-width: 46ch;
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 2.2rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 0.9rem 1.6rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: transform 0.2s, background 0.2s, color 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-signal { background: var(--signal); color: #fff; }
.btn-signal:hover { background: #ff1a12; }
.btn-ghost { color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--ink); }

/* Signature red accent reveal — triggers on first view */
.accent-block {
  position: absolute;
  right: clamp(1rem, 4vw, 3rem);
  bottom: 3rem;
  display: flex;
  gap: 0.4rem;
  background: var(--signal);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  padding: 0.7rem 1.2rem;
  letter-spacing: 0.05em;
  transform: translateX(-120%);
  animation: revealFromLeft 900ms cubic-bezier(.2,.7,.1,1) both;
  animation-timeline: view();
  animation-range: entry 0% entry 60%;
}
@keyframes revealFromLeft {
  from { transform: translateX(-120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ---------- SECTIONS ---------- */
.section {
  position: relative;
  z-index: 1;
  padding: clamp(4rem, 10vw, 7rem) clamp(1.2rem, 6vw, 5rem);
  max-width: 1200px;
  margin: 0 auto;
}
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.2rem;
  margin-bottom: 3rem;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin: 0;
}
.section-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}
.label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

/* ---------- ABOUT ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
}
.about-copy p { color: var(--muted); margin: 0 0 1.4rem; font-size: 1.05rem; }
.about-copy p:first-child { color: var(--ink); font-size: 1.2rem; }
.about-cred { border-left: 1px solid var(--line); padding-left: 2rem; }
.cred-line { margin: 0 0 1.8rem; color: var(--ink); font-size: 0.95rem; }

/* ---------- MUSEUM WALL ---------- */
.wall {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
}
.work { display: flex; flex-direction: column; }
.work-frame {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  background:
    radial-gradient(90% 90% at 70% 20%, rgba(255,255,255,0.05), transparent 60%),
    #0a0a0a;
  transition: border-color 0.3s;
}
.work:hover .work-frame { border-color: var(--signal); }
.work-glyph {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 3.4rem;
  color: var(--line);
  transition: color 0.3s;
}
.work:hover .work-glyph { color: var(--signal); }
.work-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.5rem;
  margin: 0.4rem 0 0.6rem;
}
.work-desc { color: var(--muted); font-size: 0.95rem; margin: 0; }

/* ---------- APPROACH ---------- */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
}
.approach-item { border-top: 1px solid var(--line); padding-top: 1.4rem; }
.approach-item h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  margin: 0.4rem 0 0.6rem;
}
.approach-item p { color: var(--muted); font-size: 0.95rem; margin: 0; }

/* ---------- VISIT ---------- */
.visit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
}
.hours { list-style: none; margin: 0 0 2rem; padding: 0; }
.hours li {
  display: flex;
  justify-content: space-between;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.hours li span:last-child { color: var(--muted); }
.visit-note { color: var(--muted); font-size: 0.95rem; margin: 0; }

.contact-form { border: 1px solid var(--line); padding: 2rem; }
.form-intro { color: var(--muted); font-size: 0.95rem; margin: 0 0 1.6rem; }
.contact-form label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.2rem;
}
.contact-form input,
.contact-form textarea {
  display: block;
  width: 100%;
  margin-top: 0.4rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 0.5rem 0;
  transition: border-color 0.25s;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-bottom-color: var(--signal);
}
.contact-form textarea { resize: vertical; }
.contact-form .btn { margin-top: 0.5rem; border: none; cursor: pointer; }
.form-status { margin-top: 1rem; font-size: 0.9rem; color: var(--ink); }

/* ---------- FOOTER ---------- */
.site-foot {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  padding: 2.5rem clamp(1.2rem, 6vw, 5rem);
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  justify-content: space-between;
  align-items: center;
}
.foot-line { color: var(--muted); font-size: 0.85rem; margin: 0; }
.attribution {
  font-size: 0.72rem;
  opacity: 0.6;
  font-family: var(--font-mono);
  margin: 0;
}
.attribution a { color: var(--muted); text-decoration: none; }
.attribution a:hover { color: var(--ink); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .wall { grid-template-columns: repeat(2, 1fr); }
  .approach-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .visit-grid { grid-template-columns: 1fr; }
  .about-cred { border-left: none; padding-left: 0; border-top: 1px solid var(--line); padding-top: 1.5rem; }
}
@media (max-width: 600px) {
  .site-nav { display: none; }
  .wall { grid-template-columns: 1fr; }
  .approach-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 6rem; }
  .accent-block { bottom: 1.5rem; font-size: 1.4rem; }
}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .accent-block {
    animation: none;
    transform: none;
    opacity: 1;
  }
  * { transition-duration: 0.01ms !important; }
}