/* ===== BASE STYLESHEET ===== */
*,
*::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;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body, sans-serif);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

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 {
  text-wrap: balance;
  line-height: 1.15;
  font-family: var(--font-display, sans-serif);
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 72ch;
}

::selection {
  background: color-mix(in srgb, var(--color-primary) 25%, transparent);
  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; }
table { border-collapse: collapse; width: 100%; }

a, button, [role='button'], input, textarea, select {
  transition: color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    opacity var(--transition-interactive);
}

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

.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 UTILITIES ===== */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-16));
}
.container--narrow { max-width: var(--content-narrow); }
.container--default { max-width: var(--content-default); }

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}
.section--sm {
  padding-block: clamp(var(--space-10), 5vw, var(--space-20));
}

/* ===== BUTTON SYSTEM ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75em 1.75em;
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: var(--font-body);
  border-radius: var(--radius-md);
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
  transition: all var(--transition-interactive);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-navy);
  border-color: var(--color-primary);
  font-weight: 700;
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--color-primary) 35%, transparent);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-highlight);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: transparent;
  padding-inline: var(--space-2);
}
.btn--ghost:hover { background: var(--color-primary-highlight); }

.btn--navy {
  background: var(--color-navy);
  color: #ffffff;
  border-color: var(--color-navy);
}
[data-theme='dark'] .btn--navy {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--navy:hover {
  background: var(--color-navy-mid);
  transform: translateY(-1px);
}

.btn--outline-white {
  background: transparent;
  color: rgba(255,255,255,0.85);
  border-color: rgba(255,255,255,0.25);
}
.btn--outline-white:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.5);
  color: #ffffff;
}

.btn--lg {
  padding: 1em 2.25em;
  font-size: var(--text-base);
}

/* ===== TAG / BADGE ===== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.25em 0.75em;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  border: 1px solid;
}
.tag--primary {
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  border-color: color-mix(in srgb, var(--color-primary) 20%, transparent);
}
.tag--navy {
  color: var(--color-accent);
  background: var(--color-accent-light);
  border-color: color-mix(in srgb, var(--color-accent) 20%, transparent);
}

/* ===== CARD ===== */
.card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* ===== SECTION LABELS ===== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  flex-shrink: 0;
}

/* ===== GRID SYSTEM ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr));
  gap: var(--space-8);
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: var(--space-6);
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: var(--space-6);
}

/* ===== ANIMATE IN ===== */
.animate-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.animate-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.animate-in.delay-1 { transition-delay: 100ms; }
.animate-in.delay-2 { transition-delay: 200ms; }
.animate-in.delay-3 { transition-delay: 300ms; }
.animate-in.delay-4 { transition-delay: 400ms; }
.animate-in.delay-5 { transition-delay: 500ms; }