/* ============================================================
   TBL MedRCM — Base Styles
   Reset, typography, utilities, layout primitives.
   Imports variables.css (linked in HTML head before this file).
   ============================================================ */

/* ── Reset ──────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  hanging-punctuation: first last;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  color: var(--color-ink);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  padding-top: var(--navbar-h);
}

@media (max-width: 767.98px) {
  body {
    padding-top: 64px;
  }
}

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

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input,
textarea,
select {
  font-family: inherit;
}

/* ── Skip to content ─────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--sp-2);
  z-index: var(--z-toast);
  padding: var(--sp-1) var(--sp-2);
  background: var(--color-teal);
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-sm);
  transition: top var(--dur-base) var(--ease-out);
}
.skip-link:focus {
  top: var(--sp-2);
}

/* ── Typography ──────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-heading);
  color: var(--color-navy);
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); }

.display-text {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: var(--fw-bold);
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display);
}

p {
  color: var(--color-ink);
  line-height: var(--lh-body);
}

p + p {
  margin-top: var(--sp-3);
}

strong {
  font-weight: var(--fw-semibold);
  color: var(--color-navy);
}

/* ── Eyebrow label ───────────────────────────────────────────── */
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-eyebrow);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: var(--sp-2);
}

/* ── Section numbers ─────────────────────────────────────────── */
.section-num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.06em;
  color: var(--color-ink-light);
}

/* ── Thin rule ───────────────────────────────────────────────── */
.thin-rule {
  border: none;
  border-top: var(--border-hair);
  margin: var(--sp-6) 0;
}

.thin-rule--sm { margin: var(--sp-3) 0; }
.thin-rule--lg { margin: var(--sp-9) 0; }

/* Vertical rule (used in mission/vision split) */
.vr-rule {
  width: 1px;
  background: var(--color-border);
  align-self: stretch;
  flex-shrink: 0;
}

/* ── Pull quote ──────────────────────────────────────────────── */
.pull-quote {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: var(--fw-medium);
  font-style: italic;
  line-height: 1.4;
  color: var(--color-navy);
  border-left: 3px solid var(--color-teal);
  padding-left: var(--sp-3);
}

/* ── Container ───────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ── Section wrappers ────────────────────────────────────────── */
.section { padding: var(--section-md); }
.section--sm { padding: var(--section-sm); }
.section--lg { padding: var(--section-lg); }
.section--tint { background-color: var(--color-tint); }
.section--navy { background-color: var(--color-navy); color: var(--color-white); }

.section--navy h2,
.section--navy h3,
.section--navy h4,
.section--navy .eyebrow {
  color: var(--color-white);
}
.section--navy p { color: rgba(255,255,255,0.80); }

/* ── Section header ──────────────────────────────────────────── */
.section-header {
  max-width: 640px;
}
.section-header--center {
  max-width: 680px;
  margin-inline: auto;
  text-align: center;
}
.section-header h2 { margin-bottom: var(--sp-3); }
.section-header p  { font-size: var(--text-body); color: var(--color-ink-light); }

/* ── Visually hidden ─────────────────────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── Focus ring ──────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── Reveal animations ───────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(var(--reveal-translate));
  transition:
    opacity var(--reveal-dur) var(--reveal-ease),
    transform var(--reveal-dur) var(--reveal-ease);
}

[data-reveal="from-left"] {
  transform: translateX(calc(-1 * var(--reveal-translate)));
}
[data-reveal="from-right"] {
  transform: translateX(var(--reveal-translate));
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translate(0);
}

/* Stagger children */
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(var(--reveal-translate));
  transition:
    opacity var(--reveal-dur) var(--reveal-ease),
    transform var(--reveal-dur) var(--reveal-ease);
}
[data-reveal-stagger].is-visible > *:nth-child(1) { transition-delay: 0ms;   opacity:1; transform:translate(0); }
[data-reveal-stagger].is-visible > *:nth-child(2) { transition-delay: 90ms;  opacity:1; transform:translate(0); }
[data-reveal-stagger].is-visible > *:nth-child(3) { transition-delay: 180ms; opacity:1; transform:translate(0); }
[data-reveal-stagger].is-visible > *:nth-child(4) { transition-delay: 270ms; opacity:1; transform:translate(0); }
[data-reveal-stagger].is-visible > *:nth-child(5) { transition-delay: 360ms; opacity:1; transform:translate(0); }
[data-reveal-stagger].is-visible > *:nth-child(6) { transition-delay: 450ms; opacity:1; transform:translate(0); }

/* ── Image lazy ──────────────────────────────────────────────── */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 400ms ease;
}
img[loading="lazy"].loaded {
  opacity: 1;
}

/* ── Wave divider ────────────────────────────────────────────── */
.wave-divider {
  display: block;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}
.wave-divider svg {
  display: block;
  width: 100%;
}

/* ── Draft marker (visible in dev, hidden in prod via class) ─── */
[data-placeholder="draft"] {
  position: relative;
  outline: 1px dashed rgba(18,165,148,0.4);
  outline-offset: 2px;
}
[data-placeholder="draft"]::after {
  content: '✎ Draft — needs client review';
  position: absolute;
  top: 0;
  right: 0;
  background: rgba(18,165,148,0.12);
  color: var(--color-teal);
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 0 var(--radius-sm) 0 var(--radius-sm);
  pointer-events: none;
}

/* ── Back to top ─────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: var(--sp-4);
  right: var(--sp-3);
  z-index: var(--z-sticky);
  width: 40px;
  height: 40px;
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition:
    opacity var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out),
    background var(--dur-fast);
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--color-teal);
}
.back-to-top svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
}

/* ── Mobile bottom bar ───────────────────────────────────────── */
.mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: var(--color-white);
  border-top: var(--border-hair);
  padding: var(--sp-2) var(--sp-3);
  gap: var(--sp-2);
}
@media (max-width: 767px) {
  .mobile-bar { display: flex; }
  .back-to-top { bottom: 5rem; }
}
.mobile-bar__btn {
  flex: 1;
  padding: 0.6rem var(--sp-2);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  text-align: center;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.mobile-bar__btn--call {
  border: var(--border-navy);
  color: var(--color-navy);
}
.mobile-bar__btn--call:hover { background: var(--color-tint); }
.mobile-bar__btn--cta {
  background: var(--color-teal);
  color: var(--color-white);
}
.mobile-bar__btn--cta:hover { background: var(--color-teal-dark); }

/* ── Breadcrumb ──────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--sp-3);
  flex-wrap: wrap;
}
.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: var(--color-white); }
.breadcrumb__sep { opacity: 0.5; }
.breadcrumb__current { color: var(--color-white); }

/* ── Responsive utilities ────────────────────────────────────── */
@media (max-width: 991px) {
  :root {
    --section-sm: 3.5rem 0;
    --section-md: 4.5rem 0;
    --section-lg: 5.5rem 0;
  }
}

@media (max-width: 575px) {
  :root {
    --section-sm: 3rem 0;
    --section-md: 3.5rem 0;
    --section-lg: 4.5rem 0;
  }
  body { padding-bottom: 72px; } /* space for mobile bar */
}