/* ============================================================
   Layout — shell, sections, grids
   ============================================================ */

.shell {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

/* The contact section lifts a shade off the page, so the form reads
   as a card rather than as more page. */
.section--contact { background: var(--raised); }

.section-head {
  display: grid;
  gap: var(--s-4);
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
  max-width: 54ch;
}

.section-head--split {
  max-width: none;
  grid-template-columns: 1fr;
  align-items: end;
}

@media (min-width: 60rem) {
  .section-head--split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: var(--s-7);
  }
}

/* ---------- Header ---------- */

.masthead {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  transition: background-color var(--dur-mid) var(--ease-soft),
              border-color var(--dur-mid) var(--ease-soft),
              backdrop-filter var(--dur-mid) var(--ease-soft);
  border-bottom: 1px solid transparent;
}

.masthead.is-stuck {
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom-color: var(--rule);
}

.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  padding-block: var(--s-4);
}

.masthead__nav {
  display: none;
  align-items: center;
  gap: clamp(1.25rem, 2.2vw, 2.25rem);
}

@media (min-width: 62rem) {
  .masthead__nav { display: flex; }
}

.masthead__end {
  display: flex;
  align-items: center;
  gap: var(--s-4);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: clamp(7rem, 14vh, 10rem) var(--s-8);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
  width: 100%;
  align-items: center;
}

@media (min-width: 64rem) {
  .hero__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: clamp(3rem, 6vw, 6rem);
  }
}

.hero__copy { display: grid; gap: var(--s-5); align-content: center; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-4);
  margin-top: var(--s-2);
}

/* ---------- Work ---------- */

.work-tier { display: grid; gap: var(--s-5); }
.work-tier + .work-tier { margin-top: clamp(3rem, 6vw, 5.5rem); }

.tier-label {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  margin-bottom: var(--s-5);
}
.tier-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--rule);
}

@media (min-width: 56rem) {
  .work-tier--major {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--s-5);
  }
  .work-tier--major > *:nth-child(1) { grid-column: span 7; }
  .work-tier--major > *:nth-child(2) { grid-column: span 5; }
  .work-tier--major > *:nth-child(3) { grid-column: span 5; }
  .work-tier--major > *:nth-child(4) { grid-column: span 7; }

  /* Crystal and glass: the inner-engraved pieces lead, the
     glassware runs full width because a row of glasses does. */
  .work-tier--trio {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--s-5);
  }
  .work-tier--trio > *:nth-child(1) { grid-column: span 6; }
  .work-tier--trio > *:nth-child(2) { grid-column: span 6; }
  .work-tier--trio > *:nth-child(3) { grid-column: span 12; }

  .work-tier--quad { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .work-tier--duo  { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 62rem) {
  .work-tier--trio3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 56rem) and (max-width: 61.99rem) {
  .work-tier--trio3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- Process films ---------- */

.film {
  display: grid;
  gap: var(--s-6);
}

@media (min-width: 62rem) {
  .film {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }
}

.film__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2) var(--s-5);
  margin-bottom: var(--s-6);
  border-bottom: 1px solid var(--rule);
}

.film__side {
  display: grid;
  gap: var(--s-4);
  align-content: start;
}

/* ---------- Reviews ---------- */

/* Wide enough for the card plus an arrow either side of it, and no
   wider — otherwise the arrows drift off towards the page edges. */
.reviews-stage {
  position: relative;
  display: flex;
  align-items: stretch;
  justify-content: center;
  max-width: 58rem;
  margin-inline: auto;
}

/* Every review sits in the same grid cell, so the stage is as tall as
   the longest of them and nothing jumps as they turn over. */
.reviews-track {
  display: grid;
  width: 100%;
  max-width: 46rem;
}
.reviews-track > * { grid-area: 1 / 1; }

/* ---------- For business ---------- */

.biz-grid {
  display: grid;
  gap: var(--s-6);
  margin-bottom: var(--s-7);
}

@media (min-width: 54rem) {
  .biz-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-7); }
}

/* ---------- Process ---------- */

.steps {
  display: grid;
  gap: var(--s-6);
  counter-reset: step;
}

@media (min-width: 54rem) {
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-7); }
}

/* ---------- Materials ---------- */

.materials-grid {
  display: grid;
  gap: var(--s-6);
  align-items: start;
}

@media (min-width: 54rem) {
  .materials-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.assurances {
  display: grid;
  gap: var(--s-5);
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--rule);
}

@media (min-width: 54rem) {
  .assurances { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-6); }
}

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: start;
}

@media (min-width: 62rem) {
  .contact-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(3rem, 6vw, 6rem);
  }
}

.form-grid { display: grid; gap: var(--s-5); }

@media (min-width: 34rem) {
  .form-grid--pair { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- Footer ---------- */

.footer-grid {
  display: grid;
  gap: var(--s-6);
}

@media (min-width: 48rem) {
  .footer-grid {
    grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
    gap: var(--s-7);
  }
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-4) var(--s-6);
  justify-content: space-between;
  align-items: center;
  margin-top: var(--s-8);
  padding-top: var(--s-5);
  border-top: 1px solid var(--rule);
}