/* Layout primitives: container, section, grid helpers. */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--s5);
}

.container--narrow {
  max-width: var(--container-narrow);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--s7); }
}

.section {
  padding: var(--s10) 0;
  position: relative;
}

@media (min-width: 768px) {
  .section { padding: var(--s11) 0; }
}

.section--tight { padding: var(--s8) 0; }
@media (min-width: 768px) {
  .section--tight { padding: var(--s9) 0; }
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--s8);
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--coral-deep);
  background: color-mix(in srgb, var(--coral) 12%, transparent);
  padding: 6px 14px;
  border-radius: var(--r-pill);
  margin-bottom: var(--s4);
}

.section-title {
  margin-bottom: var(--s4);
}

.section-lead {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--ink-mute);
  max-width: 560px;
  margin: 0 auto;
}

/* Reveal-on-scroll. Toggle to .is-visible via reveal.js. */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Grid helpers */
.grid {
  display: grid;
  gap: var(--s5);
}
.grid--3 { grid-template-columns: 1fr; }
.grid--2 { grid-template-columns: 1fr; }
.grid--6 { grid-template-columns: 1fr; }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

@media (min-width: 640px) {
  .grid--6 { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 900px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--2 { grid-template-columns: 1fr 1fr; gap: var(--s8); }
  .grid--6 { grid-template-columns: repeat(3, 1fr); }
}

/* Two-column hero/persona layout */
.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s8);
  align-items: center;
}

@media (min-width: 1024px) {
  .split {
    grid-template-columns: 1.05fr 0.95fr;
    gap: var(--s9);
  }
  .split--reverse {
    grid-template-columns: 0.95fr 1.05fr;
  }
  .split--reverse > :first-child { order: 2; }
}