/* Layout and components for the kina corporate site. */

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter-lg); }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--gutter-lg); }

/* nav underline label used for eyebrows / mono labels */
.eyebrow {
  font-family: var(--font-display);
  font-size: var(--fs-2xs);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  font-weight: var(--fw-medium);
  color: var(--text-accent);
}

.mono { font-family: var(--font-mono); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--veil);
  backdrop-filter: var(--blur-veil);
  -webkit-backdrop-filter: var(--blur-veil);
  border-bottom: 1px solid var(--border-hairline);
}
.site-header .container {
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}
.brand-mark { display: flex; align-items: center; cursor: pointer; border: 0; background: none; padding: 0; }
.brand-mark img { height: 52px; width: auto; }

.site-nav { display: flex; align-items: center; gap: var(--space-6); }
.nav-link {
  font-family: var(--font-display);
  font-size: var(--fs-2xs);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  font-weight: var(--fw-medium);
  cursor: pointer;
  padding-bottom: 4px;
  color: var(--text-subtle);
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  transition: var(--transition-ui);
}
.nav-link:hover { color: var(--text-strong); }
.nav-link.is-active { color: var(--text-strong); border-bottom-color: var(--kina-sage-500); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: var(--ls-display);
  font-weight: var(--fw-medium);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-ui);
  white-space: nowrap;
}
.btn svg { width: 1em; height: 1em; flex-shrink: 0; }
.btn:active { transform: translateY(1px); }

.btn-sm { font-size: var(--fs-3xs); padding: 10px 20px; }
.btn-lg { font-size: var(--fs-2xs); padding: 16px 32px; }

.btn-primary { background: var(--action-primary); color: var(--text-inverse); }
.btn-primary:hover { background: var(--action-primary-hover); }

.btn-secondary { background: transparent; color: var(--text-body); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--surface-sunken); border-color: var(--action-secondary-hover); }

.btn-cream { background: var(--kina-cream); color: var(--kina-bark); }
.btn-cream:hover { background: var(--kina-white); }

/* Section heading */
.section-heading { display: grid; gap: var(--space-3); }
.section-heading.align-center { justify-items: center; text-align: center; }
.section-heading .eyebrow { display: block; }
.section-heading h2 {
  font-family: var(--font-display);
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-display);
  text-transform: none;
  font-size: var(--fs-xl);
  color: var(--text-subtle);
}
.section-heading .title-ja {
  font-family: var(--font-mincho);
  font-weight: var(--fw-regular);
  font-size: var(--fs-2xl);
  line-height: var(--lh-snug);
  color: var(--text-strong);
  letter-spacing: 0;
}
.section-heading.tone-cream .eyebrow,
.section-heading.tone-cream h2,
.section-heading.tone-cream .title-ja { color: var(--text-inverse); }

/* Hero */
.hero { position: relative; overflow: hidden; background: var(--kina-linen); }
.hero video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  z-index: 0;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: var(--veil);
  backdrop-filter: blur(2px);
  z-index: 1;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 168px var(--gutter-lg) 136px;
  display: grid;
  gap: var(--space-8);
  justify-items: center;
  text-align: center;
}
.hero-inner h1 {
  font-family: var(--font-mincho);
  font-weight: var(--fw-regular);
  font-size: var(--fs-4xl);
  line-height: var(--lh-snug);
  color: var(--text-strong);
}
.hero-inner p {
  margin: 0;
  max-width: 34em;
  font-size: var(--fs-md);
  line-height: var(--lh-loose);
  color: var(--text-muted);
}
.hero-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; justify-content: center; }

/* Generic sections */
.section { padding: var(--section-y) 0; }
.section-sunken { background: var(--surface-sunken); }

.stack-center { display: grid; gap: var(--space-8); justify-items: center; text-align: center; }
.quote-line { margin: 0; font-family: var(--font-mincho); font-size: var(--fs-xl); line-height: var(--lh-normal); color: var(--text-strong); }
.lede { margin: 0; font-size: var(--fs-md); line-height: var(--lh-loose); color: var(--text-muted); max-width: 34em; }

/* Cards */
.card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); margin-top: var(--space-8); }
.card {
  background: var(--surface-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  display: grid;
  gap: var(--space-4);
  align-content: start;
}
.card .eyebrow.subtle { color: var(--text-subtle); }
.card h3 { font-family: var(--font-mincho); font-weight: var(--fw-regular); font-size: var(--fs-lg); color: var(--text-strong); }
.card p { margin: 0; font-size: var(--fs-sm); line-height: var(--lh-loose); color: var(--text-muted); }

.cta-row { display: flex; justify-content: center; margin-top: var(--space-6); }

/* Service page */
.service-block { display: grid; grid-template-columns: .8fr 1.2fr; gap: var(--space-7); margin-top: var(--space-8); align-items: start; }
.service-block + .service-block { margin-top: var(--space-8); }
.service-label { display: grid; gap: var(--space-3); position: sticky; top: 116px; }
.service-label .name { font-family: var(--font-mincho); font-size: var(--fs-xl); color: var(--text-strong); }
.service-list { margin: 0; padding: 0; list-style: none; display: grid; }
.service-list li { padding: var(--space-5) 0; border-bottom: 1px solid var(--border-hairline); font-size: var(--fs-base); line-height: var(--lh-normal); color: var(--text-body); }
.page-intro { margin: var(--space-8) 0 0; font-size: var(--fs-md); line-height: var(--lh-loose); color: var(--text-muted); }

/* Company page */
.company-quote { margin: var(--space-8) 0 0; font-family: var(--font-mincho); font-size: var(--fs-lg); line-height: var(--lh-normal); color: var(--text-strong); }
.company-facts { margin: var(--space-8) 0 0; display: grid; grid-template-columns: 160px 1fr; gap: 0; }
.company-facts dt {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--border-hairline);
  font-family: var(--font-display);
  font-size: var(--fs-2xs);
  letter-spacing: var(--ls-tight);
  text-transform: uppercase;
  color: var(--text-subtle);
}
.company-facts dt.underline { border-bottom: 1px solid var(--border-hairline); }
.company-facts dd { margin: 0; padding: var(--space-5) 0; border-top: 1px solid var(--border-hairline); font-size: var(--fs-base); line-height: var(--lh-loose); color: var(--text-body); }
.company-facts dd.underline { border-bottom: 1px solid var(--border-hairline); }
.company-facts dd.mono { font-family: var(--font-mono); font-size: var(--fs-sm); }
.social-row { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.social-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-pill);
  color: var(--text-subtle);
  transition: var(--transition-ui);
}
.social-icon:hover { color: var(--text-accent); border-color: var(--border-strong); }
.social-icon svg { width: 20px; height: 20px; }

/* CTA band */
.cta-band { background: var(--surface-inverse); padding: var(--space-8) 0; }
.cta-band .container { display: flex; justify-content: space-between; align-items: center; gap: var(--space-6); flex-wrap: wrap; }

/* Footer */
.site-footer { max-width: var(--container); margin: 0 auto; padding: var(--space-6) var(--gutter-lg); display: flex; justify-content: space-between; align-items: center; gap: var(--space-5); flex-wrap: wrap; }
.site-footer img { height: 36px; width: auto; }
.site-footer .copyright { font-family: var(--font-mono); font-size: var(--fs-3xs); letter-spacing: .08em; color: var(--text-subtle); }

/* Page visibility */
.view { display: none; }
.view.is-active { display: block; }

@media (max-width: 760px) {
  .site-header .container { padding: 0 var(--space-5); height: 68px; }
  .site-nav { gap: var(--space-4); }
  .container, .container-narrow { padding: 0 var(--space-5); }
  .hero-inner { padding: 112px var(--space-5) 88px; }
  .hero-inner h1 { font-size: var(--fs-3xl); }
  .card-grid, .service-block, .company-facts { grid-template-columns: 1fr; }
  .service-label { position: static; }
  .company-facts dt { padding-bottom: 0; }
  .cta-band .container { justify-content: center; text-align: center; }
  .site-footer { justify-content: center; text-align: center; }
}