/* ── Navigation ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background var(--dur-base) var(--ease),
              backdrop-filter var(--dur-base) var(--ease),
              box-shadow var(--dur-base) var(--ease);
}

.nav.is-scrolled {
  background: rgba(250, 250, 248, 0.82);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: 0 1px 0 var(--c-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo-img {
  height: 44px;
  width: auto;
  display: block;
  /* Dark green SVG → white on green hero background */
  filter: brightness(0) invert(1);
  transition: filter var(--dur-base) var(--ease), opacity var(--dur-base);
}

/* After scroll: cream bg → show original dark green color */
.nav.is-scrolled .nav__logo-img {
  filter: none;
}

/* Desktop menu */
.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.nav__link {
  font-size: var(--fs-sm);
  font-weight: 400;
  letter-spacing: 0.06em;
  color: rgba(250, 250, 248, 0.85);
  position: relative;
  transition: color var(--dur-base) var(--ease);
}
.nav.is-scrolled .nav__link { color: var(--c-ink); }

.nav__link::after {
  content: '';
  position: absolute;
  inset-block-end: -4px;
  inset-inline: 0;
  height: 1px;
  background: var(--c-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease);
}
.nav__link:hover::after,
.nav__link.is-active::after {
  transform: scaleX(1);
}

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
  z-index: 10;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--c-bg);
  transition: all var(--dur-base) var(--ease);
}
.nav.is-scrolled .nav__toggle span { background: var(--c-green); }

/* Hamburger → X */
.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile */
@media (max-width: 767px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    inset-block: 0;
    inset-inline-end: 0;
    width: min(320px, 100vw);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--sp-8);
    padding: var(--sp-16) var(--sp-8);
    background: var(--c-green);
    transform: translateX(100%);
    transition: transform var(--dur-slow) var(--ease-out);
  }

  .nav__menu.is-open {
    transform: translateX(0);
    box-shadow: -8px 0 32px rgba(0,0,0,0.2);
  }

  .nav__link {
    font-size: var(--fs-lg);
    color: var(--c-bg);
  }
  .nav.is-scrolled .nav__link { color: var(--c-bg); }

  .nav__cta {
    margin-block-start: var(--sp-4);
  }
}

/* ── Footer styles ──────────────────────────────────────────── */
.footer {
  padding-block: var(--sp-16) var(--sp-8);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-12);
  padding-block-end: var(--sp-8);
  border-block-end: 1px solid rgba(250,250,248,0.15);
  margin-block-end: var(--sp-8);
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--sp-16);
  }
}

.footer__logo {
  display: inline-flex;
  align-items: center;
}

.footer__logo-img {
  height: 40px;
  width: auto;
  display: block;
  /* Dark green SVG → white on green footer background */
  filter: brightness(0) invert(1);
  opacity: 0.9;
  transition: opacity var(--dur-base);
}
.footer__logo:hover .footer__logo-img { opacity: 1; }

.footer__biz {
  font-size: var(--fs-xs);
  color: rgba(250,250,248,0.45);
  line-height: 1.9;
  letter-spacing: 0.02em;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.footer__nav a {
  font-size: var(--fs-sm);
  color: rgba(250,250,248,0.7);
  transition: color var(--dur-fast);
}
.footer__nav a:hover { color: var(--c-gold); }

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.footer__contact p,
.footer__contact a {
  font-size: var(--fs-sm);
  color: rgba(250,250,248,0.7);
}
.footer__contact a:hover { color: var(--c-gold); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
}
.footer__bottom p {
  font-size: var(--fs-xs);
  color: rgba(250,250,248,0.4);
}

/* Lang switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-xs);
  color: rgba(250,250,248,0.4);
}
.lang-btn {
  font-size: var(--fs-xs);
  color: rgba(250,250,248,0.5);
  letter-spacing: 0.05em;
  transition: color var(--dur-fast);
  padding: 0;
}
.lang-btn:hover,
.lang-btn.is-active {
  color: var(--c-gold);
}