/* ==========================================================================
   LAYOUT.CSS — Structural layout: header, grid system, sections, footer
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--sp-3);
}

.section {
  padding-block: var(--sp-7);
}

.section--tight { padding-block: var(--sp-6); }

.section-head {
  max-width: 680px;
  margin-bottom: var(--sp-5);
}

.section-head--center {
  max-width: 620px;
  margin-inline: auto;
  text-align: center;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 500;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), height var(--dur-base) var(--ease-out);
}

.site-header.is-scrolled {
  height: 72px;
  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--glass-border);
}

.header-inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-400);
  color: var(--text-on-header, var(--text-primary));
  white-space: nowrap;
}

.brand__mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(from 220deg, var(--c-teal-500), var(--c-brass-500), var(--c-teal-500));
  color: var(--c-white);
  font-size: 0.85rem;
  font-weight: 800;
  flex-shrink: 0;
}

.main-nav {
  display: none;
}

@media (min-width: 960px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
  }
  .main-nav a {
    font-weight: 600;
    font-size: var(--fs-200);
    color: var(--text-on-header, var(--text-primary));
    position: relative;
    padding-block: 4px;
  }
  .main-nav a::after {
    content: '';
    position: absolute;
    left: 0; right: 100%;
    bottom: 0;
    height: 2px;
    background: var(--accent-cta);
    transition: right var(--dur-base) var(--ease-out);
    border-radius: var(--radius-pill);
  }
  .main-nav a:hover::after,
  .main-nav a[aria-current="page"]::after {
    right: 0;
  }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.nav-toggle {
  display: inline-flex;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

@media (min-width: 960px) {
  .nav-toggle { display: none; }
}

/* Mobile drawer */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 600;
  background: var(--bg-inverse);
  color: var(--text-inverse);
  display: flex;
  flex-direction: column;
  padding: var(--sp-4);
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease-out);
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav__top {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: var(--sp-6);
}
.mobile-nav__close {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: none;
  color: var(--text-inverse);
  display: grid; place-items: center;
}
.mobile-nav a {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-600);
  font-weight: 800;
  padding-block: var(--sp-2);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.mobile-nav__footer {
  margin-top: auto;
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--c-abyss-900);
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.hero__scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(0deg, rgba(7,27,31,0.96) 0%, rgba(7,27,31,0.72) 38%, rgba(7,27,31,0.35) 68%, rgba(7,27,31,0.55) 100%),
    linear-gradient(100deg, rgba(7,27,31,0.55) 0%, rgba(7,27,31,0.05) 55%);
}

.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-block: var(--sp-7) var(--sp-6);
  color: var(--c-white);
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-block: var(--sp-3) var(--sp-4);
}

.hero__lede {
  max-width: 620px;
  color: rgba(245,246,243,0.86);
  font-size: var(--fs-400);
}

.hero__cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

.hero h1 { color: var(--c-white); }

/* ---------- Grids ---------- */
.grid {
  display: grid;
  gap: var(--sp-4);
}
.grid--services { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid--2 { grid-template-columns: 1fr; }
.grid--why { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.grid--regions { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.grid--blog { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

@media (min-width: 860px) {
  .grid--2 { grid-template-columns: 1.05fr 0.95fr; align-items: center; gap: var(--sp-6); }
}

/* ---------- Section variants ---------- */
.section--inverse {
  background: var(--c-abyss-900);
  color: var(--text-inverse);
}
.section--inverse p { color: rgba(245,246,243,0.72); }
.section--inverse h2, .section--inverse h3 { color: var(--c-white); }

.section--surface2 { background: var(--bg-surface-2); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-abyss-900);
  color: rgba(245,246,243,0.78);
  padding-block: var(--sp-6) var(--sp-4);
}
.footer-grid {
  display: grid;
  gap: var(--sp-5);
  grid-template-columns: 1.4fr repeat(3, 1fr);
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
.footer-col h4 { color: var(--c-white); margin-bottom: var(--sp-2); font-size: var(--fs-300); }
.footer-col a, .footer-col li { color: rgba(245,246,243,0.72); font-size: var(--fs-200); }
.footer-col li { margin-bottom: 0.55rem; }
.footer-col a:hover { color: var(--c-brass-400); }
.footer-bottom {
  margin-top: var(--sp-5);
  padding-top: var(--sp-3);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  justify-content: space-between;
  font-size: var(--fs-100);
}

/* ---------- Sticky mobile action bar ---------- */
.mobile-action-bar {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 480;
  display: flex;
  gap: 1px;
  background: var(--c-line);
  box-shadow: 0 -8px 24px -12px hsl(var(--shadow-color) / 0.4);
}
@media (min-width: 960px) {
  .mobile-action-bar { display: none; }
}
.mobile-action-bar a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding-block: 0.9rem;
  font-weight: 700;
  font-size: var(--fs-200);
}
.mobile-action-bar a:first-child { background: var(--c-teal-600); color: var(--c-white); }
.mobile-action-bar a:last-child { background: #25D366; color: var(--c-white); }

body.has-mobile-bar { padding-bottom: 62px; }
@media (min-width: 960px) { body.has-mobile-bar { padding-bottom: 0; } }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  padding-top: calc(var(--header-h) + var(--sp-4));
  padding-bottom: var(--sp-2);
}
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 0.4rem; font-size: var(--fs-100); color: var(--text-secondary); }
.breadcrumb li:not(:last-child)::after { content: '/'; margin-left: 0.4rem; color: var(--c-line); }
.breadcrumb a:hover { color: var(--accent-primary); }

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  padding-block: var(--sp-3) var(--sp-6);
}
.page-hero h1 { max-width: 760px; }