/* ============================================
   KDM DERMA THERAPY · BASE STYLES
   Typography utilities and layout foundations
   ============================================ */

/* ─────────── DISPLAY TYPOGRAPHY ─────────── */
.display {
  font-family: var(--font-display);
  font-weight: var(--weight-light);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  color: var(--color-ink);
}

.display--xl {
  font-size: clamp(3rem, 8vw, 7.478rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.display--lg {
  font-size: clamp(2.5rem, 6vw, 5.610rem);
}

.display--md {
  font-size: clamp(2rem, 4.5vw, 4.209rem);
}

.display--sm {
  font-size: clamp(1.75rem, 3.5vw, 3.157rem);
}

.display em,
.italic-accent {
  font-style: italic;
  font-weight: var(--weight-light);
  color: var(--color-primary);
}

/* ─────────── EYEBROW LABELS ─────────── */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-secondary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
}

.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.eyebrow--centered {
  justify-content: center;
}

.eyebrow--no-line::before {
  display: none;
}

/* ─────────── BODY TYPOGRAPHY ─────────── */
.lede {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: var(--weight-light);
  font-size: clamp(1.25rem, 2vw, 1.777rem);
  line-height: var(--leading-snug);
  color: var(--color-ink);
  max-width: 28ch;
}

.body-lg {
  font-size: var(--type-md);
  line-height: var(--leading-relaxed);
  color: var(--color-ink-muted);
}

.body-base {
  font-size: var(--type-base);
  line-height: var(--leading-relaxed);
}

.caption {
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

/* ─────────── CONTAINERS ─────────── */
.container {
  width: 100%;
  max-width: var(--container-base);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.container--text {
  max-width: var(--container-text);
}

.container--wide {
  max-width: var(--container-wide);
}

.container--bleed {
  max-width: var(--container-bleed);
}

.container--flush {
  padding-inline: 0;
}

/* ─────────── SECTIONS ─────────── */
.section {
  padding-block: var(--section-rhythm);
  position: relative;
}

.section--compact {
  padding-block: var(--space-2xl);
}

.section--spacious {
  padding-block: var(--space-4xl);
}

.section--dark {
  background: var(--color-bg-deep);
  color: var(--color-on-deep);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark .display {
  color: var(--clay-50);
}

.section--dark .eyebrow {
  color: var(--gold-300);
}

.section--alt {
  background: var(--color-bg-alt);
}

/* ─────────── GRID UTILITIES ─────────── */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid--asymmetric {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-xl);
  align-items: center;
}

@media (max-width: 768px) {
  .grid--asymmetric {
    grid-template-columns: 1fr;
  }
}

.grid--editorial {
  display: grid;
  grid-template-columns: 1fr 1.618fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

@media (max-width: 900px) {
  .grid--editorial {
    grid-template-columns: 1fr;
  }
}

/* ─────────── FLEX UTILITIES ─────────── */
.flex {
  display: flex;
}

.flex--center {
  align-items: center;
  justify-content: center;
}

.flex--between {
  align-items: center;
  justify-content: space-between;
}

.flex--col {
  flex-direction: column;
}

.flex--wrap {
  flex-wrap: wrap;
}

.flex--gap-sm { gap: var(--space-sm); }
.flex--gap-md { gap: var(--space-md); }
.flex--gap-lg { gap: var(--space-lg); }

/* ─────────── TEXT ALIGN ─────────── */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }
.text-balance { text-wrap: balance; }
.text-pretty  { text-wrap: pretty; }

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

@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}

@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}

/* ─────────── DIVIDERS ─────────── */
.divider {
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-line-strong), transparent);
  margin-block: var(--space-xl);
}

.divider--vertical {
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, transparent, var(--color-line-strong), transparent);
}

.divider--ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-block: var(--space-xl);
}

.divider--ornament::before,
.divider--ornament::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-line-strong);
}

.divider--ornament svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

/* ─────────── BACKGROUND TEXTURES ─────────── */
.bg-grain {
  position: relative;
}

.bg-grain::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--grain);
  opacity: 0.4;
  pointer-events: none;
  mix-blend-mode: multiply;
}

/* ─────────── DECORATIVE ELEMENTS ─────────── */
.ornament-line {
  display: inline-block;
  width: 60px;
  height: 1px;
  background: var(--color-accent);
  vertical-align: middle;
  margin-inline: var(--space-2xs);
}

.dot-divider {
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 50%;
  vertical-align: middle;
  margin-inline: var(--space-2xs);
}