/* Twin Horizon — Base: reset, typography, layout primitives */

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

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

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

img {
  object-fit: cover;
}

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

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--theme-accent-dark);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: var(--fw-medium);
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-wrap: balance;
}

h1 {
  font-size: var(--fs-display);
}

h2 {
  font-size: var(--fs-xl);
}

h3 {
  font-size: var(--fs-lg);
}

p {
  margin: 0 0 1em;
  max-width: 68ch;
  color: var(--text-secondary);
  text-wrap: pretty;
}

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

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

figure {
  margin: 0;
}

address {
  font-style: normal;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100%;
  z-index: var(--z-toast);
  padding: 0.75rem 1.25rem;
  background: var(--text-primary);
  color: var(--bg-surface);
  font-family: var(--font-ui);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

/* —— Layout —— */
.site-container {
  width: min(100% - (var(--container-pad-x) * 2), var(--container-max));
  margin-inline: auto;
}

.site-section {
  padding: var(--section-pad-y) 0;
}

.site-section--tight {
  padding: clamp(2rem, 4vh, 3.5rem) 0;
}

.eyebrow {
  margin: 0 0 0.85rem;
  font-family: var(--font-ui);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--theme-accent);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.is-loading body {
  cursor: progress;
}