/* ==========================================================================
   layout.css — top bar, header, nav, hero, footer
   ========================================================================== */

/* --------------------------------------------------------------------------
   Top bar
   -------------------------------------------------------------------------- */
.topbar {
  position: relative;
  z-index: var(--z-header);
  background: linear-gradient(90deg, var(--ink) 0%, var(--surface) 50%, var(--ink) 100%);
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  min-height: var(--topbar-h);
}
.topbar__group { display: flex; align-items: center; gap: var(--s-5); }

.topbar__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--chrome);
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease-io);
}
.topbar__item:hover { color: var(--snow); }
.topbar__item svg { width: 15px; height: 15px; flex: none; color: var(--beacon); }

.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 3px 12px 3px 10px;
  border-radius: var(--r-pill);
  background: rgba(61, 220, 132, .10);
  border: 1px solid rgba(61, 220, 132, .26);
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.live-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 rgba(61, 220, 132, .7);
  animation: pulse-dot 2.2s var(--ease-io) infinite;
}

.socials { display: flex; align-items: center; gap: 6px; }
.socials__link {
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  border-radius: 50%;
  color: var(--chrome);
  border: 1px solid var(--line);
  transition: color var(--t-fast) var(--ease-io),
              border-color var(--t-fast) var(--ease-io),
              background-color var(--t-fast) var(--ease-io);
}
.socials__link svg { width: 15px; height: 15px; }
.socials__link:hover {
  color: var(--ink);
  background: var(--beacon);
  border-color: var(--beacon);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(20, 24, 31, .74);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--line);
  transition: background-color var(--t-mid) var(--ease-io),
              box-shadow var(--t-mid) var(--ease-io),
              border-color var(--t-mid) var(--ease-io);
}
.header.is-stuck {
  background: rgba(20, 24, 31, .93);
  box-shadow: var(--sh-3);
  border-bottom-color: var(--line-strong);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  height: var(--header-h);
  transition: height var(--t-mid) var(--ease-io);
}
.header.is-stuck .header__inner { height: var(--header-h-shrunk); }

/* Brand — image only, never a hardcoded text title */
.brand { display: inline-flex; align-items: center; flex: none; }
.brand img {
  height: 46px;
  width: auto;
  transition: height var(--t-mid) var(--ease-io), filter var(--t-fast) var(--ease-io);
}
.header.is-stuck .brand img { height: 38px; }
.brand:hover img { filter: drop-shadow(0 0 14px rgba(255,176,32,.45)); }

/* Primary nav */
.nav { display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  color: var(--chrome);
  font-size: 0.92rem;
  font-weight: 500;
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease-io), background-color var(--t-fast) var(--ease-io);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-beacon);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-mid) var(--ease-out);
}
.nav__link:hover { color: var(--snow); }
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__link[aria-current="page"] { color: var(--snow); }
.nav__link svg { width: 12px; height: 12px; opacity: .7; transition: transform var(--t-fast) var(--ease-io); }

/* Dropdown */
.nav__item { position: relative; }
.nav__item--has-menu:hover .nav__link svg,
.nav__item--has-menu.is-open .nav__link svg { transform: rotate(180deg); }

.dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  translate: -50% 0;
  min-width: 560px;
  padding: 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  background: rgba(34, 40, 49, .97);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-stroke);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--t-mid) var(--ease-out),
              transform var(--t-mid) var(--ease-out),
              visibility var(--t-mid);
}
.nav__item--has-menu:hover .dropdown,
.nav__item--has-menu:focus-within .dropdown,
.nav__item--has-menu.is-open .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 13px;
  border-radius: var(--r-sm);
  color: var(--chrome);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background-color var(--t-fast) var(--ease-io), color var(--t-fast) var(--ease-io);
}
.dropdown__link:hover { background: var(--glass-2); color: var(--snow); }
.dropdown__link svg { width: 18px; height: 18px; color: var(--beacon); flex: none; }

.header__actions { display: flex; align-items: center; gap: var(--s-3); flex: none; }

/* Burger */
.burger {
  display: none;
  width: 46px; height: 46px;
  border-radius: var(--r-sm);
  border: 1px solid var(--glass-stroke);
  background: var(--glass);
  place-items: center;
}
.burger span {
  display: block;
  width: 20px; height: 2px;
  background: var(--snow);
  border-radius: 2px;
  transition: transform var(--t-mid) var(--ease-out), opacity var(--t-fast) var(--ease-io);
}
.burger span + span { margin-top: 5px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(20, 24, 31, .97);
  -webkit-backdrop-filter: blur(24px);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  padding: var(--s-5) var(--gutter) calc(var(--s-5) + env(safe-area-inset-bottom));
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-mid) var(--ease-io), visibility var(--t-mid);
}
.drawer.is-open { opacity: 1; visibility: visible; }
.drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--s-6); }
.drawer__nav { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; }
.drawer__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
  color: var(--snow);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .01em;
  opacity: 0;
  transform: translateY(14px);
}
.drawer.is-open .drawer__link { animation: drawer-in .5s var(--ease-out) forwards; }
.drawer__link--sub {
  font-family: var(--font-body);
  font-size: .95rem;
  text-transform: none;
  color: var(--chrome);
  padding: 11px 4px 11px 18px;
  border-bottom-color: transparent;
}
.drawer__foot { padding-top: var(--s-5); display: grid; gap: var(--s-3); }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  isolation: isolate;
  min-height: min(calc(100svh - var(--topbar-h) - var(--header-h)), 820px);
  display: flex;
  align-items: center;
  padding-block: clamp(32px, 4.5vw, 64px);
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 78% 12%, rgba(255,176,32,.13), transparent 58%),
    radial-gradient(90% 70% at 8% 92%, rgba(228,87,46,.10), transparent 60%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 55%, var(--ink) 100%);
}
.hero--inner { min-height: auto; padding-block: clamp(56px, 8vw, 104px); }

/* Layered parallax stack */
.hero__layer { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hero__grid {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(120% 90% at 50% 30%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 30%, #000 20%, transparent 78%);
  opacity: .5;
}
.hero__art {
  position: absolute;
  right: -6%;
  bottom: -4%;
  width: min(56vw, 760px);
  opacity: .9;
  z-index: -1;
  pointer-events: none;
}
.hero__content { position: relative; z-index: var(--z-raised); max-width: 820px; }
.hero h1 { font-size: clamp(2.2rem, 4.8vw, 4rem); margin-bottom: var(--s-4); }
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line > span { display: block; }
.hero__sub { font-size: clamp(1.02rem, 1.4vw, 1.18rem); color: var(--chrome); max-width: 68ch; margin-bottom: var(--s-5); }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-bottom: clamp(22px, 3vw, 38px); }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--glass-stroke);
  border: 1px solid var(--glass-stroke);
  border-radius: var(--r-lg);
  overflow: hidden;
  max-width: 720px;
  box-shadow: var(--sh-3);
}
.stat {
  background: rgba(34, 40, 49, .66);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  padding: var(--s-4) var(--s-3);
  text-align: center;
}
.stat__num {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.1vw, 1.8rem);
  font-weight: 700;
  color: var(--snow);
  line-height: 1;
  letter-spacing: -0.01em;
}
.stat__num span { color: var(--beacon); }
.stat__label {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--chrome-dim);
  margin-top: 8px;
  display: block;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 26px;
  translate: -50% 0;
  z-index: var(--z-raised);
  display: grid;
  place-items: center;
  gap: 8px;
  color: var(--chrome-dim);
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.scroll-cue__rail {
  width: 1px; height: 44px;
  background: linear-gradient(180deg, var(--beacon), transparent);
  animation: rail-drop 2.4s var(--ease-io) infinite;
}

/* Page hero (inner pages) */
.pagehero { position: relative; isolation: isolate; overflow: hidden;
  background:
    radial-gradient(100% 90% at 80% 0%, rgba(255,176,32,.12), transparent 60%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  border-bottom: 1px solid var(--line);
  padding-block: clamp(52px, 7vw, 92px);
}
.pagehero h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); margin-bottom: var(--s-4); }

/* Breadcrumbs */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: var(--chrome-dim);
  margin-bottom: var(--s-5);
}
.crumbs a { color: var(--chrome); }
.crumbs a:hover { color: var(--beacon); }
.crumbs li { display: inline-flex; align-items: center; gap: 8px; }
.crumbs li + li::before { content: "/"; color: var(--steel); }
.crumbs [aria-current="page"] { color: var(--snow); }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  position: relative;
  isolation: isolate;
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
  border-top: 1px solid var(--line);
  padding-top: clamp(56px, 7vw, 88px);
  overflow: hidden;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(40px, 5vw, 64px);
}
.footer__brand img { height: 52px; width: auto; margin-bottom: var(--s-4); }
.footer h4 {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--beacon);
  margin-bottom: var(--s-4);
}
.footer__list { display: grid; gap: 10px; }
.footer__list a { color: var(--chrome); font-size: .93rem; }
.footer__list a:hover { color: var(--snow); }

.footer__nap { display: grid; gap: 14px; font-size: .93rem; color: var(--chrome); }
.footer__nap a { color: var(--chrome); }
.footer__nap a:hover { color: var(--beacon); }
.footer__nap li { display: flex; gap: 11px; align-items: flex-start; }
.footer__nap svg { width: 17px; height: 17px; color: var(--beacon); flex: none; margin-top: 3px; }

.footer__bottom {
  border-top: 1px solid var(--line);
  padding-block: var(--s-5);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  font-size: .85rem;
  color: var(--chrome-dim);
}
.credit a {
  color: var(--chrome);
  font-weight: 500;
  border-bottom: 1px solid rgba(255,176,32,.32);
  padding-bottom: 1px;
}
.credit a:hover { color: var(--beacon); border-bottom-color: var(--beacon); }