html {
  font-size: 16px;
}

body {
  font-weight: 400;
}

h1,
h2,
h3,
h4,
h5,
h6,
strong,
b,
.btn,
.menu,
.brand-copy strong,
.eyebrow,
.chairman-label {
  font-weight: 700;
}

.header {
  padding: 14px 0;
}

.nav,
body.is-home .header:not(.scrolled) .nav,
.header.scrolled .nav {
  background: rgba(255, 255, 255, .54);
  border-color: rgba(255, 255, 255, .46);
  color: var(--ink);
  box-shadow: 0 18px 52px rgba(28, 22, 17, .11);
  backdrop-filter: blur(26px) saturate(155%);
  -webkit-backdrop-filter: blur(26px) saturate(155%);
}

:root[data-theme="dark"] .nav,
:root[data-theme="dark"] body.is-home .header:not(.scrolled) .nav,
:root[data-theme="dark"] .header.scrolled .nav {
  background: rgba(18, 18, 17, .54);
  border-color: rgba(255, 255, 255, .16);
  color: var(--ink);
  box-shadow: 0 18px 52px rgba(0, 0, 0, .28);
}

body.is-home .header:not(.scrolled) .brand-copy strong,
body.is-home .header:not(.scrolled) .menu a,
body.is-home .header:not(.scrolled) .lang-toggle,
body.is-home .header:not(.scrolled) .theme-toggle,
body.is-home .header:not(.scrolled) .menu-toggle {
  color: inherit;
}

.brand-logo {
  width: 64px;
  height: 56px;
  flex-basis: 64px;
  background: transparent !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  overflow: visible;
}

.brand-logo img {
  width: auto;
  height: 54px;
  max-width: 64px;
  max-height: 54px;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 7px 14px rgba(18, 16, 13, .13));
}

.brand-copy > span {
  display: none !important;
}

.brand-copy strong {
  font-size: .88rem;
  letter-spacing: 0;
}

.menu {
  gap: 20px;
  font-size: .81rem;
}

.lang-toggle,
.theme-toggle,
.menu-toggle {
  background: rgba(255, 255, 255, .48);
  border-color: rgba(255, 255, 255, .38);
  color: inherit;
}

:root[data-theme="dark"] .lang-toggle,
:root[data-theme="dark"] .theme-toggle,
:root[data-theme="dark"] .menu-toggle {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .14);
}

.hero h1 {
  font-size: clamp(2.65rem, 5vw, 5rem);
  line-height: 1.06;
  font-weight: 700;
}

.hero p,
.page-hero p,
.section-head p,
.content-card p,
.department p,
.person p,
.tour-body p,
.service-block p,
.step p,
.contact-item p,
.footer p,
.footer a,
.footer span {
  font-size: clamp(.94rem, .92vw, 1.02rem);
  line-height: 1.78;
}

.section-head h2,
.page-hero h1 {
  font-size: clamp(1.95rem, 3.8vw, 3.75rem);
  line-height: 1.14;
}

.service-block h3,
.tour-body h3 {
  font-size: clamp(1.22rem, 1.45vw, 1.5rem);
  line-height: 1.34;
}

.chairman-card blockquote,
.management-quote {
  font-size: clamp(1.28rem, 2vw, 2.05rem);
  line-height: 1.58;
}

.metric b,
.hero-card strong,
.overview-card strong {
  font-weight: 700;
  letter-spacing: 0;
}

.whatsapp-fab {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366 !important;
  border: 0 !important;
  box-shadow: 0 16px 38px rgba(37, 211, 102, .34);
}

.whatsapp-fab svg {
  width: 34px;
  height: 34px;
  fill: #fff;
}

.whatsapp-fab::before {
  content: "";
  position: absolute;
  inset: -7px;
  border-radius: 50%;
  background: rgba(37, 211, 102, .14);
  z-index: -1;
}

.whatsapp-fab::after {
  display: none;
}

@media (max-width: 1200px) {
  .menu {
    background: rgba(255, 255, 255, .74);
    backdrop-filter: blur(24px) saturate(155%);
    -webkit-backdrop-filter: blur(24px) saturate(155%);
  }

  :root[data-theme="dark"] .menu {
    background: rgba(18, 18, 17, .78);
  }
}

@media (max-width: 640px) {
  .header {
    padding: 8px 0;
  }

  .nav {
    min-height: 64px;
    border-radius: 18px;
    padding: 7px 8px;
  }

  .brand {
    gap: 8px;
    max-width: calc(100vw - 172px);
  }

  .brand-logo {
    width: 48px;
    height: 46px;
    flex-basis: 48px;
  }

  .brand-logo img {
    height: 44px;
    max-width: 48px;
    max-height: 44px;
  }

  .brand-copy strong {
    max-width: 138px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: .76rem;
  }

  .hero-grid {
    padding-top: 124px;
  }

  .hero h1 {
    font-size: clamp(2.15rem, 10vw, 3rem);
    line-height: 1.1;
  }

  .section-head h2,
  .page-hero h1,
  .band h2 {
    font-size: clamp(1.65rem, 7vw, 2.25rem);
  }

  .chairman-card blockquote,
  .management-quote {
    font-size: 1.35rem;
  }

  .hero-actions .btn {
    font-size: .82rem;
  }
}
