/* Website UI kit — local extras on top of colors_and_type.css */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg-body);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-relaxed);
  min-height: 100vh;
}

/* Section scaffolding */
.section {
  padding-block: var(--sp-22);
}
.section--tight { padding-block: var(--sp-16); }
.section--dark {
  background: var(--charcoal-900);
  color: var(--fg-on-dark);
}
.section--wash { background: var(--bg-wash); }
.section--surface { background: #fff; }
.container {
  max-width: var(--maxw-section);
  margin: 0 auto;
  padding-inline: var(--sp-6);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--sp-8); }
}

/* Section header (eyebrow + h2 + lead) */
.section-head {
  display: flex; flex-direction: column; gap: var(--sp-3);
  max-width: 36rem;
  margin-bottom: var(--sp-12);
}
.section-head .eyebrow { color: var(--accent); }
.section--dark .section-head .eyebrow { color: var(--accent-on-dark); }
.section--dark h2 { color: #fff; }
.section--dark .lead { color: var(--charcoal-100); }

/* Button reset for our React buttons */
.kg-btn {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 14px 22px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  min-height: 48px;
  transition: background var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.kg-btn:active { transform: translateY(1px); }
.kg-btn--primary {
  background: var(--amber-500);
  color: #fff;
}
.kg-btn--primary:hover { background: var(--amber-600); }
.kg-btn--primary-dark {
  background: var(--amber-400);
  color: var(--charcoal-900);
}
.kg-btn--primary-dark:hover { background: var(--amber-300); }
.kg-btn--secondary {
  background: transparent;
  color: var(--charcoal-900);
  border-color: var(--charcoal-300);
}
.kg-btn--secondary:hover { background: rgba(11,15,20,0.04); border-color: var(--charcoal-500); }
.kg-btn--secondary-dark {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.2);
}
.kg-btn--secondary-dark:hover { background: rgba(255,255,255,0.06); }
.kg-btn--ghost {
  background: transparent;
  color: var(--charcoal-900);
  padding-inline: 16px;
}
.kg-btn--ghost:hover { color: var(--amber-600); }

/* Card primitive */
.kg-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  transition: border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}
.kg-card:hover {
  border-color: var(--charcoal-200);
  box-shadow: var(--shadow-sm);
}

/* Eyebrow */
.eyebrow {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--accent);
}

/* Icon-circle */
.icon-circle {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--amber-100);
  color: var(--amber-700);
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.section--dark .icon-circle {
  background: rgba(245,158,11,0.14);
  color: var(--amber-300);
}

/* Form inputs */
.kg-input {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--charcoal-900);
  min-height: 48px;
  transition: border-color var(--dur-fast) var(--ease-out);
}
.kg-input:hover { border-color: var(--charcoal-300); }
.kg-input:focus { outline: none; border-color: var(--amber-500); box-shadow: var(--shadow-focus); }
.kg-input::placeholder { color: var(--fg-subtle); }

.kg-label {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--charcoal-700);
}
.kg-label-aside {
  color: var(--fg-muted);
  font-weight: 400;
}

/* Reveal on scroll-into-view — soft, never bouncy */
.reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 360ms var(--ease-out), transform 360ms var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Hero illustration placeholder */
.hero-art {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-2xl);
  background: linear-gradient(180deg, #16202d 0%, #0B0F14 100%);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
}
.hero-art::before {
  /* faint grain */
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 3px 3px;
  opacity: 0.5;
  pointer-events: none;
}

/* Anchor offset for sticky header */
:target { scroll-margin-top: 88px; }