@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Sora:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-secondary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: #262626;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Typography Defaults */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.75rem, 6.5vw, 5.5rem);
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(20px, 2.6vw, 3.25rem);
  letter-spacing: -0.03em;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
}

h4 {
  font-size: 1.15rem;
}

p {
  margin-bottom: 1.25rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

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

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

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1.5rem;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1.5rem;
}

/* Containers & Global Width System */
.container {
  width: min(calc(100% - 2 * var(--container-padding)),
      var(--container-width));
  margin-inline: auto;
}

.container-wide {
  width: min(calc(100% - 2 * var(--container-padding)),
      var(--container-width-wide));
  margin-inline: auto;
}

.container-narrow {
  width: min(calc(100% - 2 * var(--container-padding)),
      var(--container-width-narrow));
  margin-inline: auto;
}

/* Section Spacing */
.section {
  padding-top: clamp(40px, 7vw, 8.5rem);
  padding-bottom: clamp(4.2rem, 6vw, 6.5rem);
  position: relative;
}

.section-head {
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section-head-split {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .section-head-split {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

/* Eyebrows & Section Tags */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-tag span {
  color: var(--text-muted);
}

/* Text Highlighting */
.text-accent {
  color: var(--accent);
}

.text-white {
  color: var(--text-primary);
}

.text-muted {
  color: var(--text-muted);
}

/* Screen Reader Only Utility */
.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;
}

/* Reveal on Scroll Animations */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.reveal-delay-4 {
  transition-delay: 0.4s;
}

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

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