/* ==========================================================================
   layout.css — containers, sections, grid, helpers, buttons, reveal base
   ========================================================================== */

/* --- containers --- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
/* .container--wide {
  max-width: 1480px;
} */
.container--narrow {
  max-width: 980px;
}

/* --- section rhythm --- */
.section {
  padding-block: var(--section);
  position: relative;
}
.section--sm {
  padding-block: var(--section-sm);
}
.section--dark {
  background: var(--black);
  color: var(--on-dark);
}
.section--soft {
  background: var(--paper-soft);
}
.section--dark h1,
.section--dark h2,
.section--dark h3 {
  color: var(--on-dark);
}

/* --- section heading block --- */
.kicker {
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--accent);
  display: block;
}
.section-head {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
}
.section-head .kicker {
  margin-bottom: 0.9rem;
}
.section-head h2 {
  font-size: var(--fs-h2);
}

/* --- full-bleed helper --- */
.full-bleed {
  width: 100vw;
  margin-left: 50%;
  transform: translateX(-50%);
}

/* --- aspect ratio frames --- */
.ratio {
  position: relative;
  overflow: hidden;
}
.ratio > img,
.ratio > video,
.ratio > iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ratio-1x1 { aspect-ratio: 1 / 1; }
.ratio-4x3 { aspect-ratio: 4 / 3; }
.ratio-3x2 { aspect-ratio: 3 / 2; }
.ratio-16x9 { aspect-ratio: 16 / 9; }

/* --- buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-text);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
  padding: 1.05rem 1.6rem;
  border-radius: 10px;
  letter-spacing: 0.01em;
  transition: background var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease);
  will-change: transform;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn--primary:hover {
  background: var(--accent-deep);
}
.btn--ghost {
  background: transparent;
  color: var(--on-dark);
  border: 1.5px solid rgba(255, 255, 255, 0.55);
}
.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #fff;
}
.btn--ghost-ink {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line-strong);
}
.btn--ghost-ink:hover {
  border-color: var(--ink);
}
.btn--block {
  width: 100%;
  justify-content: center;
}

/* --- animated underline link --- */
.ulink {
  position: relative;
  display: inline-block;
}
.ulink::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.55s var(--ease);
}
.ulink:hover::after,
.ulink:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* arrow link ("Learn more ›", "find out more") */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 700;
  color: var(--ink);
}
.arrow-link svg {
  width: 0.9em;
  height: 0.9em;
  color: var(--accent);
  transition: transform var(--dur) var(--ease);
}
.arrow-link:hover svg {
  transform: translateX(4px);
}

/* ==========================================================================
   Reveal base (scoped to .js so no-JS shows everything)
   ========================================================================== */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(2.2rem);
  transition: opacity var(--dur-slow) var(--ease),
    transform var(--dur-slow) var(--ease);
  will-change: opacity, transform;
}
.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}
.js [data-reveal="fade"] {
  transform: none;
}

/* line-mask splitter */
.js .line-mask {
  display: block;
  overflow: hidden;
}
.js .line-inner {
  display: block;
  transform: translateY(115%);
  transition: transform var(--dur-slow) var(--ease);
}
.js [data-reveal="lines"].is-in .line-inner {
  transform: translateY(0);
}

/* media clip reveal */
.js .reveal-media {
  clip-path: inset(0 0 101% 0);
  transition: clip-path 1.5s var(--ease);
}
.js .reveal-media > img,
.js .reveal-media > .reveal-media__inner {
  transform: scale(1.08);
  transition: transform 1.5s var(--ease);
}
.js .reveal-media.is-in {
  clip-path: inset(0 0 0 0);
}
.js .reveal-media.is-in > img,
.js .reveal-media.is-in > .reveal-media__inner {
  transform: scale(1);
}

@media (prefers-reduced-motion: reduce) {
  .js [data-reveal],
  .js [data-reveal="lines"],
  .js [data-reveal="fade"] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .js .line-inner {
    transform: none !important;
    transition: none !important;
  }
  .js .reveal-media {
    clip-path: none !important;
    transition: none !important;
  }
  .js .reveal-media > img,
  .js .reveal-media > .reveal-media__inner {
    transform: none !important;
    transition: none !important;
  }
  .btn,
  .arrow-link svg,
  .ulink::after {
    transition: none !important;
  }
}

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