/* ==========================================================================
   GLOBAL — base type, layout primitives, utilities
   ========================================================================== */

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  letter-spacing: -0.01em;
  line-height: var(--lh-tight);
}

p { color: var(--color-text-muted); }
p + p { margin-top: var(--space-2); }

::selection {
  background: var(--color-accent);
  color: var(--color-accent-text);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Skip link */
.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -60px;
  background: var(--color-accent);
  color: #fff;
  padding: 0.75em 1.25em;
  border-radius: var(--radius-sm);
  z-index: 999;
  transition: top var(--dur-base) var(--ease-out);
}
.skip-link:focus { top: var(--space-2); }

/* ---- Layout ---- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.container-wide {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-6);
  position: relative;
}

.section--tight { padding-block: var(--space-5); }

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

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

/* Softens the hard flat-color seams between back-to-back sections that
   alternate --color-bg / --color-bg-alt / --color-surface, and adds a
   touch of ambient depth via the single accent hue (screen-blended, low
   opacity) so consecutive bands don't read as flat, static blocks. */
.section--seam { position: relative; overflow: hidden; }
.section--seam::before {
  content: "";
  position: absolute; inset: 0;
  z-index: -1;
  background:
    radial-gradient(48% 65% at 88% 4%, var(--color-accent-soft) 0%, transparent 68%),
    radial-gradient(38% 50% at 6% 100%, rgba(47,111,239,0.08) 0%, transparent 70%),
    linear-gradient(180deg, rgba(6,7,9,0.4) 0%, transparent 18%, transparent 82%, rgba(6,7,9,0.32) 100%);
}

/* ---- Section header pattern (label + counter + heading) ---- */
.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  max-width: 46rem;
}

.section-counter {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-accent-on-dark);
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 0.6em;
}

.section-counter::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--color-accent);
  display: inline-block;
}

.section-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-faint);
}

.section-title {
  font-size: var(--fs-2xl);
  font-weight: 500;
  color: var(--color-text);
}

.section-title em {
  font-style: normal;
  color: var(--color-accent-on-dark);
}

.section-lede {
  color: var(--color-text-muted);
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
  max-width: 42rem;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent-on-dark);
}

/* ---- Buttons ---- */
.btn {
  --btn-fg: var(--color-bg);
  --btn-bg: var(--color-text);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 0.95em 1.6em;
  border-radius: var(--radius-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}

.btn svg { width: 16px; height: 16px; transition: transform var(--dur-fast) var(--ease-out); }

.btn:hover { transform: translateY(-2px); }
.btn:hover svg { transform: translate(3px, -3px); }

.btn--primary {
  --btn-bg: var(--color-accent);
  --btn-fg: #ffffff;
  box-shadow: 0 0 0 rgba(47, 111, 239, 0);
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.btn--primary:hover {
  --btn-bg: var(--color-accent-strong);
  box-shadow: 0 6px 24px rgba(47, 111, 239, 0.32);
}

/* Diagonal light sweep on hover — one soft pass, not a looping shimmer. */
.btn--primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.35) 48%, transparent 66%);
  transform: translateX(-120%);
  pointer-events: none;
}
.btn--primary:hover::before {
  transform: translateX(120%);
  transition: transform 0.7s var(--ease-out);
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--color-text);
  border: 1px solid var(--color-border-strong);
}
.btn--ghost:hover {
  --btn-bg: var(--color-surface-alt);
  border-color: var(--color-text-faint);
}

.btn--sm { padding: 0.7em 1.3em; font-size: var(--fs-xs); }

/* ---- Links ---- */
.link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  color: var(--color-text);
  padding-bottom: 0.2em;
  border-bottom: 1px solid var(--color-border-strong);
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.link:hover { border-color: var(--color-accent); color: var(--color-accent-on-dark); }
.link svg { width: 14px; height: 14px; transition: transform var(--dur-fast) var(--ease-out); }
.link:hover svg { transform: translateX(3px); }

/* ---- Utilities ---- */
.text-muted { color: var(--color-text-muted); }
.text-accent { color: var(--color-accent-on-dark); }
.u-hidden { display: none !important; }
.u-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;
}

.grid { display: grid; gap: var(--space-3); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  border: 1px solid var(--color-border-strong);
  padding: 0.4em 0.8em;
  border-radius: var(--radius-pill);
}

/* ---- Media placeholder (until real photography is supplied) ---- */
.media-placeholder {
  position: relative;
  aspect-ratio: var(--ph-ratio, 4 / 3);
  border-radius: var(--radius-lg);
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.03) 0 2px, transparent 2px 14px),
    linear-gradient(160deg, var(--color-surface-alt), var(--color-bg-alt));
  border: 1px solid var(--color-border);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.media-placeholder::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(120% 90% at 15% 0%, rgba(47,111,239,0.10), transparent 60%);
}

.media-placeholder__label {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  color: var(--color-text-faint);
  padding: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.media-placeholder img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}

.media-placeholder iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
  filter: grayscale(0.15) contrast(1.05);
}

/* ---- Reveal (GSAP hooks; safe no-op without JS) ---- */
[data-reveal] { opacity: 1; }
.js-ready [data-reveal] { opacity: 0; }