/* ============================================================
   layout.css — Structural layout: header/nav, footer, sections
   ============================================================ */

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: box-shadow var(--transition), background var(--transition);
}

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

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Brand wordmark (logo placeholder) */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--color-secondary);
  letter-spacing: -0.5px;
  white-space: nowrap;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* Primary nav */
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  display: inline-block;
  padding: 10px 16px;
  font-weight: 500;
  font-size: 0.98rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.main-nav a:hover {
  color: var(--color-primary);
  background: var(--color-surface);
}

.header__cta {
  margin-left: 12px;
}

/* Header right side: nav + lang toggle */
.header__right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-toggle {
  padding: 8px 14px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-secondary);
  border: 1px solid rgba(0,0,0,0.1);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.lang-toggle:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: var(--radius-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--color-secondary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Mobile nav drawer ---------- */
@media (max-width: 900px) {
  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    padding: 16px 24px 28px;
    box-shadow: var(--shadow);
    transform: translateY(-130%);
    transition: transform 0.35s var(--transition);
    border-bottom: 1px solid rgba(0,0,0,0.05);
  }

  .main-nav.is-open { transform: translateY(0); }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .main-nav a {
    display: block;
    padding: 14px 12px;
    font-size: 1.05rem;
    border-radius: var(--radius-sm);
  }

  .main-nav a:hover { background: var(--color-surface); }

  .header__cta { margin: 12px 0 0; width: 100%; }
  .header__right { flex-direction: column; align-items: stretch; width: 100%; }
  .lang-toggle { width: 100%; text-align: center; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-secondary);
  color: rgba(255, 255, 255, 0.75);
  padding-top: clamp(48px, 6vw, 72px);
}

.site-footer a { color: rgba(255,255,255,0.75); transition: color var(--transition); }
.site-footer a:hover { color: #fff; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-col h4 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 18px;
}

.footer-col ul { display: grid; gap: 10px; }
.footer-col li a { font-size: 0.95rem; }

.footer-about .brand { color: #fff; margin-bottom: 16px; }
.footer-about p { color: rgba(255,255,255,0.6); font-size: 0.95rem; }

.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 12px;
}
.footer-contact li svg { flex-shrink: 0; margin-top: 3px; color: var(--color-accent); }

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}
.social-links a {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  transition: background var(--transition), transform var(--transition);
}
.social-links a:hover { background: var(--color-primary); transform: translateY(-3px); }

.footer-hours li {
  display: flex;
  justify-content: space-between;
  font-size: 0.92rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-hours li:last-child { border-bottom: none; }
.footer-hours li span:last-child { color: rgba(255,255,255,0.6); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
}
.footer-bottom a { color: var(--color-accent); }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .brand { font-size: 1.1rem; gap: 8px; }
  .brand__mark { width: 34px; height: 34px; font-size: 1rem; }
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 12px 20px;
  z-index: 200;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }