/* ================================================================
   BASE STYLES — Reset + Global
   ================================================================ */

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  hanging-punctuation: first last;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul[role='list'],
ol[role='list'] {
  list-style: none;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  text-wrap: balance;
  line-height: 1.1;
  color: var(--color-text);
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 68ch;
}

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

::selection {
  background: oklch(from var(--color-primary) l c h / 0.2);
  color: var(--color-text);
}

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

/* ── Utility: 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-width: 0;
}

/* ── Layout containers ── */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}

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

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

/* ── Section spacing ── */
.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.section--sm {
  padding-block: clamp(var(--space-10), 5vw, var(--space-20));
}

/* ── Divider ── */
hr {
  border: none;
  border-top: 1px solid var(--color-divider);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all var(--transition-interactive);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: 2px solid var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--cedar {
  background: var(--color-cedar);
  color: #fff;
  border: 2px solid var(--color-cedar);
}

.btn--cedar:hover {
  background: var(--color-cedar-hover);
  border-color: var(--color-cedar-hover);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-text-muted);
}

/* ── Tags / labels ── */
.tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

/* ── Fade-in on scroll ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Staggered children */
.reveal-group > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-group.visible > *:nth-child(1) { transition-delay: 0s; opacity: 1; transform: none; }
.reveal-group.visible > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: none; }
.reveal-group.visible > *:nth-child(3) { transition-delay: 0.2s; opacity: 1; transform: none; }
.reveal-group.visible > *:nth-child(4) { transition-delay: 0.3s; opacity: 1; transform: none; }
.reveal-group.visible > *:nth-child(5) { transition-delay: 0.4s; opacity: 1; transform: none; }
.reveal-group.visible > *:nth-child(6) { transition-delay: 0.5s; opacity: 1; transform: none; }