/* ==========================================================================
   McAllen Family Urgent Care — design tokens
   Palette is built from the clinic's existing red/white/black print identity.
   ========================================================================== */
:root {
  --ink: #15171A;
  --ink-soft: #2A2D31;
  --paper: #FAF8F6;
  --paper-dim: #F0ECE7;
  --clinic-red: #C8202F;
  --clinic-red-deep: #8C141F;
  --pulse: #E8483A;
  --slate: #5B6168;
  --line: rgba(21, 23, 26, 0.12);
  --line-on-ink: rgba(250, 248, 246, 0.16);

  --font-display: 'Fraunces', 'Iowan Old Style', serif;
  --font-body: 'IBM Plex Sans', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', monospace;

  --container: 1180px;
  --radius: 14px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Type ------------------------------------------------------------------- */
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.05;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); }
h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
h3 { font-size: clamp(1.25rem, 2.4vw, 1.6rem); }

p { margin: 0 0 1em; color: var(--ink-soft); }
.lede { font-size: 1.15rem; color: var(--slate); max-width: 38em; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clinic-red);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  margin-bottom: 1em;
}
.eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--clinic-red);
}

.mono { font-family: var(--font-mono); }

/* Buttons ------------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.95em 1.6em;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--clinic-red); color: var(--paper); }
.btn-primary:hover { background: var(--clinic-red-deep); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-ghost-on-ink { background: transparent; border-color: var(--line-on-ink); color: var(--paper); }
.btn-ghost-on-ink:hover { border-color: var(--paper); }

/* Nav ----------------------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 246, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.5rem;
  max-width: var(--container);
  margin: 0 auto;
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.15rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5em;
}
.wordmark .dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--clinic-red);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ink-soft);
  position: relative;
}
.nav-links a[aria-current="page"] { color: var(--clinic-red); }
.nav-actions { display: flex; align-items: center; gap: 1rem; }
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 32px; height: 24px; position: relative;
}
.nav-toggle span {
  position: absolute; left: 0; right: 0; height: 2px; background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 2px; }
.nav-toggle span:nth-child(2) { top: 11px; }
.nav-toggle span:nth-child(3) { top: 20px; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-links {
    position: fixed; inset: 64px 0 0 0;
    background: var(--paper);
    flex-direction: column;
    justify-content: flex-start;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform 0.35s var(--ease);
  }
  .nav-links.is-open { transform: translateX(0); }
  .nav-links a { font-size: 1.25rem; }
  .nav-toggle { display: block; }
  .nav-actions .btn-primary { padding: 0.75em 1.1em; font-size: 0.75rem; }
}

/* Hero (dark) ----------------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
  padding: 6rem 0 7rem;
}
.hero .container {
  position: relative;
  z-index: 2;
}
.hero p.lede { color: rgba(250, 248, 246, 0.72); }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }
#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.9;
}
.hero-pulse-fallback {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  opacity: 0.5;
}
.hero-pulse-fallback svg { width: 140%; }

/* Parallax strip --------------------------------------------------------------- */
.parallax-strip {
  position: relative;
  padding: 3.5rem 0;
  overflow: hidden;
  background: var(--paper-dim);
}
.parallax-layer {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.35;
  pointer-events: none;
}
.parallax-strip .row {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}
.parallax-strip .row h3 { margin-bottom: 0.2em; }
.parallax-strip .row span.mono {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
}
@media (max-width: 700px) {
  .parallax-strip .row { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* Sections ---------------------------------------------------------------------- */
.section { padding: 6rem 0; }
.section-tight { padding: 4rem 0; }
.section-head { max-width: 42em; margin-bottom: 3rem; }
.section-on-ink { background: var(--ink); color: var(--paper); }
.section-on-ink p { color: rgba(250, 248, 246, 0.72); }

/* Card grid ----------------------------------------------------------------------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.tilt-wrap { perspective: 1200px; }
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.15s var(--ease), box-shadow 0.25s var(--ease);
  will-change: transform;
}
.card:hover { box-shadow: 0 24px 48px -24px rgba(21, 23, 26, 0.25); }
.card .index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--clinic-red);
  margin-bottom: 1.2rem;
  display: block;
}
.card h3 { margin-bottom: 0.5em; }
.card p { margin: 0; font-size: 0.95rem; }
.card-accent {
  position: absolute;
  top: 0; right: 0;
  width: 0; height: 0;
  border-style: solid;
  border-width: 0 28px 28px 0;
  border-color: transparent var(--clinic-red) transparent transparent;
  border-radius: 0 var(--radius) 0 0;
  opacity: 0;
  transition: opacity 0.2s var(--ease);
}
.card { position: relative; overflow: hidden; }
.card:hover .card-accent { opacity: 1; }

/* Process steps (about page) ------------------------------------------------------- */
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--line);
}
.step:first-child { border-top: none; }
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--clinic-red);
}

/* Reveal on scroll ------------------------------------------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Pulse divider ---------------------------------------------------------------------- */
.pulse-divider { padding: 2.5rem 0 0; }
.pulse-divider svg { width: 100%; height: 36px; display: block; }

/* CTA banner ------------------------------------------------------------------------- */
.cta-banner {
  background: var(--clinic-red);
  color: var(--paper);
  padding: 3.5rem 0;
}
.cta-banner .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-banner h2 { margin: 0; font-size: clamp(1.6rem, 3vw, 2.2rem); }
.cta-banner .btn-primary { background: var(--ink); }
.cta-banner .btn-primary:hover { background: #000; }

/* Footer ------------------------------------------------------------------------------ */
.footer {
  background: var(--ink);
  color: rgba(250, 248, 246, 0.78);
  padding: 4rem 0 2.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.footer h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper);
  margin-bottom: 1rem;
}
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 0.6rem; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--paper); }
.footer-bottom {
  border-top: 1px solid var(--line-on-ink);
  padding-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* Hours table ------------------------------------------------------------------------- */
.hours-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 0.92rem; }
.hours-table td { padding: 0.6rem 0; border-bottom: 1px solid var(--line); }
.hours-table td:last-child { text-align: right; color: var(--slate); }

/* Contact layout ----------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.map-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  height: 360px;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; }
@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* Focus states (accessibility floor) ------------------------------------------------------ */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--clinic-red);
  outline-offset: 3px;
}