/* ============================================================
   Koki Hair Braiding — Base styles
   ============================================================ */

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--text-body);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.06;
  color: var(--text-strong);
  margin: 0 0 var(--space-s);
  text-wrap: balance;
}

h1 {
  font-size: var(--step-5);
  letter-spacing: -0.015em;
}

h2 {
  font-size: var(--step-4);
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--step-2);
}

p {
  margin: 0 0 var(--space-s);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

::selection {
  background: var(--clay);
  color: var(--ivory);
}

:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 3px;
  border-radius: 2px;
}

.dark-section :focus-visible,
.site-header.is-solid :focus-visible {
  outline-color: var(--gold);
}

/* Layout helpers */
.container {
  width: min(var(--container), 100% - var(--gutter) * 2);
  margin-inline: auto;
}

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

.dark-section {
  background: var(--obsidian);
  color: var(--text-on-dark-muted);
}

.dark-section h2,
.dark-section h3 {
  color: var(--text-on-dark);
}

/* Eyebrow label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: var(--space-s);
}

.eyebrow::before {
  content: "";
  width: 2.2rem;
  height: 1px;
  background: currentColor;
  flex: none;
}

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

/* Screen-reader only */
.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;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 200;
  background: var(--obsidian);
  color: var(--ivory);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-s);
  transition: top 0.2s;
}

.skip-link:focus-visible {
  top: 0.75rem;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--dur) var(--ease-out),
    transform var(--dur) var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}