/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-grey-100);
  transition: box-shadow var(--dur-fast) var(--ease-out);
}
.site-header.is-scrolled {
  box-shadow: 0 8px 30px rgba(10,10,10,0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px var(--gutter);
  max-width: var(--container-max);
  margin: 0 auto;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-ink);
}
.kl-mark--nav { width: 40px; height: auto; display: block; }
.nav__brand-text {
  font-family: var(--font-body);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold-dark);
  white-space: nowrap;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 38px;
}
.nav__links a {
  position: relative;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink);
  padding: 6px 0;
}
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--color-gold);
  transition: right var(--dur-med) var(--ease-out);
}
.nav__links a:hover::after,
.nav__links a.is-active::after { right: 0; }
.nav__links a.is-active { color: var(--color-gold-dark); }

.nav__actions { display: flex; align-items: center; gap: 18px; }

.nav__toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  padding: 0;
}
.nav__toggle span,
.nav__toggle::before,
.nav__toggle::after {
  content: '';
  position: absolute;
  left: 8px;
  width: 24px;
  height: 2px;
  border-radius: 1px;
  background: var(--color-black);
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.nav__toggle::before { top: 13px; }
.nav__toggle span { top: 19px; }
.nav__toggle::after { top: 25px; }
.nav__toggle[aria-expanded="true"]::before { top: 19px; transform: rotate(45deg); }
.nav__toggle[aria-expanded="true"] span { opacity: 0; }
.nav__toggle[aria-expanded="true"]::after { top: 19px; transform: rotate(-45deg); }

@media (max-width: 640px) {
  .nav { padding: 12px var(--gutter); }
  .kl-mark--nav { width: 34px; }
  .nav__brand-text { font-size: 0.5rem; letter-spacing: 0.12em; }
}

@media (max-width: 360px) {
  .nav__brand-text { font-size: 0.42rem; letter-spacing: 0.08em; }
}

@media (max-width: 899px) {
  .nav__toggle { display: flex; }
  .nav__links {
    position: fixed;
    inset: 0 0 0 auto;
    top: var(--header-h);
    height: calc(100% - var(--header-h));
    width: min(78vw, 340px);
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 40px var(--gutter);
    gap: 26px;
    transform: translateX(100%);
    transition: transform var(--dur-med) var(--ease-out);
    box-shadow: -20px 0 40px rgba(0,0,0,0.08);
  }
  .nav__links.is-open { transform: translateX(0); }
  .nav__links a { font-size: 1rem; }
  .nav__actions .btn { display: none; }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-stone);
  color: var(--color-ink);
  padding: clamp(56px, 8vw, 96px) 0 0;
  border-top: 1px solid var(--color-grey-100);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--color-grey-100);
}
@media (max-width: 860px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .footer__grid { grid-template-columns: 1fr; }
}
.kl-mark--footer { width: 46px; height: auto; display: block; margin-bottom: 16px; }
.footer__brand p { max-width: 32ch; color: var(--color-slate); font-size: 0.9rem; }
.footer h4 {
  font-family: var(--font-body);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold-dark);
  margin-bottom: 20px;
  font-weight: 500;
}
.footer__links li { margin-bottom: 12px; }
.footer__links a {
  font-size: 0.92rem;
  color: var(--color-ink);
  transition: color var(--dur-fast) var(--ease-out), padding-left var(--dur-fast) var(--ease-out);
}
.footer__links a:hover { color: var(--color-gold-dark); padding-left: 4px; }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 26px var(--gutter);
  font-size: 0.78rem;
  color: var(--color-grey-500);
  max-width: var(--container-max);
  margin: 0 auto;
}
.footer__bottom a:hover { color: var(--color-gold-dark); }

.footer-credit {
  text-align: center;
  padding: 0 var(--gutter) 22px;
}
.footer-credit a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--color-grey-500);
  opacity: 0.6;
  text-decoration: none;
  transition: opacity var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.footer-credit a:hover { opacity: 1; color: var(--color-gold-dark); }
.footer-credit-mark { width: 13px; height: 13px; flex: none; }