/* ============================================
   Base Styles
   ============================================ */

body {
  overflow-x: hidden;
}

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

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

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: var(--fw-medium);
  line-height: var(--lh-tight);
  color: var(--color-text);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p {
  line-height: var(--lh-normal);
  color: var(--color-text-light);
}

p + p {
  margin-top: var(--space-md);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-accent);
}

.section-subtitle {
  font-size: clamp(1.05rem, 1.2vw + 0.25rem, 1.2rem);
  line-height: var(--lh-normal);
  color: var(--color-text-light);
  max-width: 640px;
}

a.link {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--duration-fast) var(--ease-out);
}

a.link:hover {
  color: var(--color-accent);
}

/* ---- Section Spacing ---- */
.section {
  padding-block: var(--section-padding);
}

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

/* ---- Section Header ---- */
.section-header {
  max-width: 680px;
  margin-bottom: clamp(2.5rem, 4vw, 4rem);
}

.section-header--center {
  text-align: center;
  margin-inline: auto;
}

.section-header .eyebrow {
  margin-bottom: var(--space-md);
}

.section-header h2 {
  margin-bottom: var(--space-lg);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  border-radius: var(--radius-xl);
  transition: all var(--duration-normal) var(--ease-out);
  white-space: nowrap;
  cursor: pointer;
  border: none;
}

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

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

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

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.btn--accent:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  padding: 0.5rem 0;
}

.btn--ghost::after {
  content: '\2192';
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn--ghost:hover::after {
  transform: translateX(4px);
}

.btn--ghost:hover {
  background: transparent;
}

.btn--sm {
  padding: 0.625rem 1.5rem;
  font-size: var(--fs-xs);
}

/* ---- Links with arrow ---- */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-primary);
  transition: gap var(--duration-fast) var(--ease-out);
}

.arrow-link:hover {
  gap: 0.75rem;
}

.arrow-link .arrow {
  transition: transform var(--duration-fast) var(--ease-out);
}

.arrow-link:hover .arrow {
  transform: translateX(3px);
}

/* ---- Divider ---- */
.divider {
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  border: none;
  margin: var(--space-lg) 0;
}

.divider--center {
  margin-inline: auto;
}

/* ---- Grid Utilities ---- */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---- Reveal Animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* ---- Skip Link ---- */
.skip-link {
  position: fixed;
  top: -100%;
  left: var(--space-md);
  z-index: var(--z-toast);
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--fs-small);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
  top: 0;
}

/* ---- Breadcrumb ---- */
.breadcrumb {
  padding: var(--space-lg) 0;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

.breadcrumb li + li::before {
  content: '/';
  margin-right: var(--space-sm);
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-out);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb [aria-current="page"] {
  color: var(--color-text);
  font-weight: var(--fw-medium);
}

/* ---- Page Hero ---- */
.page-hero {
  padding: clamp(3rem, 6vw, 6rem) 0 clamp(2rem, 4vw, 4rem);
  background: var(--color-background-alt);
  text-align: center;
}

.page-hero h1 {
  margin-top: var(--space-md);
  margin-bottom: var(--space-lg);
}

.page-hero p {
  max-width: 600px;
  margin-inline: auto;
  font-size: clamp(1rem, 1.1vw + 0.25rem, 1.15rem);
}

/* ---- Visually Hidden ---- */
.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;
}