/* ==========================================================================
   Raghu College of Pharmacy — reset, typography and base elements
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--rcp-page);
  color: var(--rcp-ink);
  font-family: var(--rcp-sans);
  font-size: var(--rcp-body);
  line-height: var(--rcp-body-lh);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ---- Headings ------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--rcp-serif);
  font-weight: 600;
  color: var(--rcp-ink);
  text-wrap: pretty;
}

h1 { font-size: var(--rcp-h1); line-height: var(--rcp-h1-lh); letter-spacing: var(--rcp-tracking-tight); }
h2 { font-size: var(--rcp-h2); line-height: var(--rcp-h2-lh); }
h3 { font-size: var(--rcp-h3); line-height: var(--rcp-h3-lh); }
h4 { font-size: var(--rcp-h4); line-height: var(--rcp-h4-lh); }

.rcp-display {
  font-family: var(--rcp-serif);
  font-weight: 600;
  font-size: var(--rcp-display);
  line-height: var(--rcp-display-lh);
  letter-spacing: -.015em;
  text-wrap: balance;
}

/* ---- Text ----------------------------------------------------------- */
p { margin: 0; }

.rcp-lead {
  font-size: var(--rcp-body-l);
  line-height: var(--rcp-body-l-lh);
  color: var(--rcp-muted);
}

.rcp-prose { max-width: var(--rcp-measure); }
.rcp-prose > * + * { margin-top: var(--rcp-4); }

.rcp-small { font-size: var(--rcp-small); line-height: var(--rcp-small-lh); }
.rcp-muted { color: var(--rcp-muted); }

.rcp-eyebrow {
  font-size: var(--rcp-eyebrow);
  line-height: var(--rcp-eyebrow-lh);
  letter-spacing: var(--rcp-tracking-eyebrow);
  text-transform: uppercase;
  font-weight: 600;
  color: var(--rcp-muted);
}
.rcp-eyebrow--accent { color: var(--rcp-accent-deep); }
.rcp-eyebrow--light  { color: var(--rcp-accent-light); }

/* Chrome only. Never running prose. */
.rcp-micro { font-size: var(--rcp-micro); line-height: var(--rcp-micro-lh); color: var(--rcp-muted); }

.rcp-num { font-variant-numeric: tabular-nums; }

/* ---- Links ---------------------------------------------------------- */
a {
  color: var(--rcp-accent-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--rcp-fast) var(--rcp-ease);
}
a:hover {
  color: var(--rcp-ink);
  text-decoration-color: var(--rcp-accent);
}
a:has(img) { text-decoration: none; }

/* ---- Media ---------------------------------------------------------- */
img, svg, video {
  max-width: 100%;
  height: auto;
  display: block;
}
img { border-radius: var(--rcp-radius-flat); }

/* ---- Lists ---------------------------------------------------------- */
ul, ol { margin: 0; padding: 0; }
.rcp-bare { list-style: none; }

/* ---- Focus ---------------------------------------------------------- */
:focus-visible {
  outline: var(--rcp-focus);
  outline-offset: var(--rcp-focus-offset);
  border-radius: 2px;
}
/* On navy, the accent ring loses contrast — step up to accent-light. */
.rcp-on-ink :focus-visible { outline-color: var(--rcp-accent-light); }
/* On terracotta, the only sanctioned exception. */
.rcp-btn--signal:focus-visible { outline-color: var(--rcp-ink); }

/* ---- Skip link ------------------------------------------------------ */
.rcp-skip {
  position: absolute;
  left: var(--rcp-margin);
  top: 0.75rem;
  z-index: 200;
  display: inline-flex;
  align-items: center;
  height: var(--rcp-control);
  padding: 0 var(--rcp-4);
  background: var(--rcp-page);
  color: var(--rcp-ink);
  font-size: var(--rcp-small);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--rcp-radius);
  box-shadow: var(--rcp-elev);
  transform: translateY(-200%);
  transition: transform var(--rcp-fast) var(--rcp-ease);
}
.rcp-skip:focus-visible { transform: translateY(0); }

/* ---- Layout --------------------------------------------------------- */
.rcp-wrap {
  width: 100%;
  max-width: calc(var(--rcp-content) + (var(--rcp-margin) * 2));
  margin-inline: auto;
  padding-inline: var(--rcp-margin);
}

.rcp-section { padding-block: var(--rcp-section); }
.rcp-section--lg { padding-block: var(--rcp-section-lg); }
.rcp-section--surface { background: var(--rcp-surface); }
.rcp-section--ink { background: var(--rcp-ink); color: var(--rcp-on-dark); }
.rcp-section--ink h2, .rcp-section--ink h3 { color: var(--rcp-page); }

.rcp-stack { display: flex; flex-direction: column; }
.rcp-row { display: flex; align-items: center; }
.rcp-grid { display: grid; gap: var(--rcp-gutter); }
.rcp-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.rcp-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.rcp-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.rcp-grid--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

@media (max-width: 1119px) {
  .rcp-grid--4, .rcp-grid--5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rcp-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 767px) {
  .rcp-grid--2, .rcp-grid--3, .rcp-grid--4, .rcp-grid--5 { grid-template-columns: minmax(0, 1fr); }
}

/* Section heading pattern — accent rule, eyebrow, title */
.rcp-sechead { display: flex; flex-direction: column; gap: var(--rcp-4); }
.rcp-sechead__kicker { display: flex; align-items: center; gap: var(--rcp-3); }
.rcp-sechead__rule {
  inline-size: var(--rcp-5);
  block-size: 2px;
  background: var(--rcp-accent);
  flex-shrink: 0;
}
.rcp-section--ink .rcp-sechead__rule { background: var(--rcp-accent-light); }

.rcp-sechead--split {
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--rcp-6);
}
@media (max-width: 767px) {
  .rcp-sechead--split { flex-direction: column; align-items: flex-start; gap: var(--rcp-4); }
}

/* ---- Motion --------------------------------------------------------- */
/* Reveal is opt-in: the hidden state applies only once JS has confirmed it is
   running, so a script failure can never leave content invisible. */
.js .rcp-reveal {
  opacity: 0;
  transform: translateY(var(--rcp-rise));
  transition: opacity var(--rcp-slow) var(--rcp-ease), transform var(--rcp-slow) var(--rcp-ease);
}
.js .rcp-reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .js .rcp-reveal { opacity: 1; transform: none; }
}

/* ---- Utility -------------------------------------------------------- */
.rcp-sr {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.rcp-hairline { block-size: 1px; background: var(--rcp-hairline); border: 0; margin: 0; }
[hidden] { display: none !important; }