/* Shared primitives: layout containers, buttons, headings, form controls. */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.section { padding-block: 96px; scroll-margin-top: var(--nav-h); }
.section--light { background: var(--light); }
.section--ink   { background: var(--ink); color: var(--white); }

.section-head { max-width: 660px; margin-bottom: 52px; }
.section-head--center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 14px;
}
.section--ink .eyebrow { color: var(--mint); }

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.4vw, 44px);
  font-weight: 700;
  letter-spacing: -.5px;
}

.section-sub {
  margin-top: 16px;
  font-size: 17px;
  color: var(--grey);
}
.section--ink .section-sub { color: rgba(255, 255, 255, .62); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 28px;
  border: 1.5px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s var(--ease), background-color .2s var(--ease),
              border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn svg { width: 17px; height: 17px; flex-shrink: 0; }

.btn--primary { background: var(--teal); color: var(--white); box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--teal-d); box-shadow: var(--shadow-md); }

.btn--mint { background: var(--mint); color: var(--deeper); }
.btn--mint:hover { background: #B4F0E7; }

.btn--ghost { border-color: rgba(255, 255, 255, .35); color: var(--white); }
.btn--ghost:hover { border-color: var(--mint); background: rgba(154, 232, 221, .1); }

.btn--block { width: 100%; }

/* Visible keyboard focus everywhere. */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 12px 20px;
  background: var(--teal);
  color: var(--white);
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus { left: 12px; top: 12px; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* Scroll reveal — opt-in, neutralized under reduced motion by 00_tokens.css. */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }