/* layout.css — grid, header, footer, hero, section scaffolds */

/* ---- Grid ---- */
.grid { display: grid; gap: var(--gutter); }
.grid-12 { grid-template-columns: repeat(12, 1fr); }
.split { display: grid; gap: clamp(32px, 6vw, 80px); align-items: center; }
.split > * { min-width: 0; }
.split--75 { grid-template-columns: 7fr 5fr; }
.split--57 { grid-template-columns: 5fr 7fr; }
.split--84 { grid-template-columns: 8fr 4fr; }
@media (max-width: 860px) {
  .grid-12 { grid-template-columns: repeat(6, 1fr); }
  .split--75, .split--57, .split--84 { grid-template-columns: 1fr; }
  .split--57 > .split__media { order: -1; }
}

/* ---- Header ---- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  background: color-mix(in srgb, #0A0C10 90%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line-dark);
  transition: transform var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}
.site-header[data-hidden="true"] { transform: translateY(-100%); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--s-6); }
.brand { display: flex; align-items: center; gap: var(--s-3); flex-shrink: 0; }
.brand img { width: auto; height: 64px; object-fit: contain; }
.brand__name { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; line-height: 1.05; letter-spacing: -0.01em; color: #fff; }
.brand__name small { display: block; font-family: var(--font-body); font-weight: 600; font-size: 0.6875rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold-bright); }
@media (max-width: 480px) { .brand img { height: 48px; } .brand__name { display: none; } }

.primary-nav { display: flex; align-items: center; gap: var(--s-2); }
.primary-nav > ul { display: flex; align-items: center; gap: var(--s-1); }
.nav-link {
  position: relative; display: inline-block; padding: var(--s-2) var(--s-3);
  font-size: var(--fs-sm); font-weight: 500; color: rgba(255,255,255,.82);
  transition: color var(--dur-fast) var(--ease-out);
}
.nav-link::after {
  content: ""; position: absolute; left: var(--s-3); right: var(--s-3); bottom: 6px; height: 1px;
  background: var(--gold-bright); transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}
.nav-link:hover, .nav-link[aria-current="page"] { color: #fff; }
.nav-link:hover::after, .nav-link[aria-current="page"]::after { transform: scaleX(1); }

/* dropdown */
.has-dropdown { position: relative; }
.dropdown-toggle { display: inline-flex; align-items: center; gap: 6px; }
.dropdown-toggle svg { width: 12px; height: 12px; transition: transform var(--dur-fast); }
.has-dropdown[data-open="true"] .dropdown-toggle svg { transform: rotate(180deg); }
.dropdown {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 300px;
  background: var(--bone-050); border: 1px solid var(--line); border-radius: var(--radius-card);
  box-shadow: var(--shadow-2); padding: var(--s-3);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), visibility var(--dur-fast);
}
.has-dropdown[data-open="true"] .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a { display: block; padding: var(--s-3); border-radius: 6px; color: var(--ink-700); font-size: var(--fs-sm); font-weight: 500; transition: background var(--dur-fast), color var(--dur-fast); }
.dropdown a span { display: block; font-weight: 400; font-size: 0.8125rem; color: var(--text-muted); margin-top: 2px; }
.dropdown a:hover { background: var(--bone-100); color: var(--gold-deep); }

.nav-cta { display: inline-flex; }
.nav-toggle { display: none; }

/* ---- Mobile nav ---- */
@media (max-width: 1000px) {
  .primary-nav > ul, .nav-cta.header-cta { display: none; }
  .nav-toggle {
    display: inline-flex; flex-direction: column; gap: 5px; padding: 10px; margin-right: -10px;
    z-index: 120;
  }
  .nav-toggle span { width: 24px; height: 2px; background: #fff; transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast); }
  body[data-menu="open"] .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  body[data-menu="open"] .nav-toggle span:nth-child(2) { opacity: 0; }
  body[data-menu="open"] .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .mobile-menu {
    position: fixed; inset: 0; z-index: 110;
    height: 100dvh; min-height: 100vh;
    background: var(--navy-900); color: #fff;
    padding: calc(var(--header-h) + 24px) var(--gutter) var(--gutter);
    display: flex; flex-direction: column; gap: var(--s-1);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out), visibility var(--dur-base);
    overflow-y: auto;
  }
  body[data-menu="open"] .mobile-menu { opacity: 1; visibility: visible; transform: translateY(0); }
  .mobile-menu a { display: block; color: #fff; font-family: var(--font-display); font-size: 1.5rem; font-weight: 500; padding: var(--s-3) 0; border-bottom: 1px solid var(--line-dark); opacity: 0; transform: translateY(12px); }
  body[data-menu="open"] .mobile-menu a { animation: menuIn var(--dur-base) var(--ease-out) forwards; }
  .mobile-menu a:nth-child(1){animation-delay:.05s}.mobile-menu a:nth-child(2){animation-delay:.10s}.mobile-menu a:nth-child(3){animation-delay:.15s}.mobile-menu a:nth-child(4){animation-delay:.20s}.mobile-menu a:nth-child(5){animation-delay:.25s}.mobile-menu a:nth-child(6){animation-delay:.30s}.mobile-menu a:nth-child(7){animation-delay:.35s}.mobile-menu a:nth-child(8){animation-delay:.40s}.mobile-menu a:nth-child(9){animation-delay:.45s}.mobile-menu a:nth-child(10){animation-delay:.50s}
  .mobile-menu .btn { margin-top: var(--s-6); font-size: 1rem; font-family: var(--font-body); }
  .mobile-menu__sub { font-family: var(--font-body); font-size: 0.75rem !important; text-transform: uppercase; letter-spacing: 0.14em; color: var(--gold-bright) !important; border: 0 !important; padding-bottom: 0 !important; margin-top: var(--s-4); }
}
@keyframes menuIn { to { opacity: 1; transform: translateY(0); } }
@media (min-width: 1001px) { .mobile-menu { display: none; } }
@media (prefers-reduced-motion: reduce) {
  .mobile-menu a { opacity: 1 !important; transform: none !important; animation: none !important; }
}

/* ---- Hero ---- */
.hero { position: relative; padding-top: calc(var(--header-h) + clamp(48px, 8vw, 110px)); padding-bottom: clamp(64px, 9vw, 130px); overflow: hidden; }
.hero--dark { position: relative; background: var(--navy-900); color: var(--text-on-dark); overflow: hidden; }
.hero--dark::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background-image: linear-gradient(120deg, rgba(0,31,84,.92) 0%, rgba(0,31,84,.80) 55%, rgba(13,92,117,.78) 100%), url("../assets/images/tower-band-1200.jpg");
  background-size: cover; background-position: center; filter: saturate(0.9);
}
.hero--dark > * { position: relative; z-index: 1; }
.hero--dark h1 { color: #fff; }
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; filter: var(--img-grade) brightness(0.62); }
.hero__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,14,17,.35) 0%, rgba(11,14,17,.72) 100%); }
.hero__inner { position: relative; z-index: 1; }
.hero--image { color: #fff; }
.hero--image h1 { color: #fff; }
.hero__content { max-width: 720px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s-4); margin-top: var(--s-8); }

/* ---- Footer ---- */
.site-footer { background: #0A0C10; color: var(--slate-300); padding-block: clamp(64px, 8vw, 104px) var(--s-8); }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.5fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--s-12) var(--gutter); } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-logo { display: inline-block; margin-bottom: var(--s-5, 20px); }
.footer-brand img { width: auto; height: 88px; transition: transform var(--dur-fast) var(--ease-out); }
.footer-logo:hover img { transform: translateY(-2px); }
.footer-brand__name { font-family: var(--font-display); color: #fff; font-size: 1.3rem; font-weight: 600; line-height: 1.15; }
.footer-brand p { color: var(--slate-300); font-size: var(--fs-sm); line-height: 1.6; margin-top: var(--s-3); max-width: 32ch; }
/* link + contact columns share one top baseline via a fixed-height heading */
.footer-col h4 { color: #fff; font-family: var(--font-body); font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.16em; font-weight: 600; margin: 0 0 var(--s-5, 20px); padding-bottom: var(--s-3); border-bottom: 1px solid var(--line-dark); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--s-3); }
.footer-col a, .footer-col address { color: var(--slate-300); font-size: var(--fs-sm); font-style: normal; line-height: 1.5; transition: color var(--dur-fast); }
.footer-col a:hover { color: var(--gold-bright); }
.footer-contact li { display: grid; grid-template-columns: 22px 1fr; gap: var(--s-3); align-items: start; }
.footer-contact svg { width: 18px; height: 18px; color: var(--gold-bright); margin-top: 2px; }
.footer-bottom { display: flex; flex-wrap: wrap; gap: var(--s-4); justify-content: space-between; align-items: center; margin-top: clamp(48px, 6vw, 80px); padding-top: var(--s-6); border-top: 1px solid var(--line-dark); font-size: 0.8125rem; color: var(--slate-300); }
.footer-bottom a { color: var(--slate-300); }
.footer-parent { color: var(--slate-300); }
.footer-parent strong { color: #fff; font-weight: 600; }