/* Layout: containers, header, footer, section rhythm — LEJN premium demo */

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

section {
  position: relative;
}

.section-pad {
  padding-block: var(--space-9);
}

@media (max-width: 640px) {
  .section-pad {
    padding-block: var(--space-7);
  }
}

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-7);
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent-600);
  margin-bottom: var(--space-4);
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--c-accent-500);
  display: inline-block;
}

.section-head.center .eyebrow::before {
  display: none;
}

.section-head p {
  margin-top: var(--space-4);
  color: var(--c-text-muted);
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
}

/* ---------------- Header ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--c-white);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow var(--duration-base) var(--ease-standard);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.main-nav__links {
  display: flex;
  gap: var(--space-6);
}

.main-nav__links a {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--c-navy-700);
  padding-block: var(--space-2);
  position: relative;
}

.mobile-cta {
  display: none;
}

.main-nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--c-accent-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-standard);
}

.main-nav__links a:hover::after,
.main-nav__links a[aria-current="page"]::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.header-phone {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--c-navy-700);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header-phone svg { color: var(--c-accent-500); }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  padding: 0;
  color: var(--c-navy-800);
}

.nav-toggle svg {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
}

.nav-toggle .icon-close {
  display: none;
}

body.nav-open .nav-toggle .icon-menu {
  display: none;
}

body.nav-open .nav-toggle .icon-close {
  display: block;
}

@media (max-width: 900px) {
  .main-nav__links,
  .header-phone,
  .header-actions .btn-primary {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  body.nav-open {
    overflow: hidden;
  }

  body.nav-open .main-nav__links {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 84px 0 0 0;
    background: var(--c-white);
    padding: var(--space-6) var(--container-pad);
    gap: var(--space-1);
    z-index: 400;
    overflow-y: auto;
  }

  body.nav-open .main-nav__links a {
    padding-block: var(--space-4);
    border-bottom: 1px solid var(--c-border);
    font-size: var(--text-lg);
  }

  .mobile-cta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    padding-top: var(--space-5);
    margin-top: var(--space-3);
  }

  .mobile-cta__phone {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-base);
    color: var(--c-navy-700);
  }

  .mobile-cta__phone svg {
    color: var(--c-accent-500);
  }

  .mobile-cta a.btn-primary {
    width: 100%;
    justify-content: center;
  }
}

/* ---------------- Footer ---------------- */

.site-footer {
  background: var(--c-navy-900);
  color: var(--c-text-on-dark-muted);
  padding-block: var(--space-9) var(--space-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--c-border-on-dark);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand p {
  margin-top: var(--space-4);
  max-width: 32ch;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.footer-col h4 {
  color: var(--c-white);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col a {
  font-size: var(--text-sm);
  transition: color var(--duration-fast) var(--ease-standard);
}

.footer-col a:hover {
  color: var(--c-white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  font-size: var(--text-xs);
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-bottom a:hover {
  color: var(--c-white);
}

/* ---------------- Grid utilities ---------------- */

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}