/* ============================================================
   GHOST ZERO — DESIGN TOKENS
   ============================================================ */
:root {
  /* ---------- canvas ---------- */
  --gz-void:      #08080B;
  --gz-graphite:  #0E0E12;
  --gz-charcoal:  #15151B;
  --gz-slate:     #1F1F28;
  --gz-steel:     #2A2A35;
  --gz-iron:      #3a3a48;

  /* ---------- editorial bands ---------- */
  --gz-bone:      #F4F1EA;
  --gz-paper:     #EEEFF2;

  /* ---------- type ---------- */
  --gz-white:     #FAFAFA;
  --gz-fog:       #B8B8C0;
  --gz-ash:       #6E6E78;
  --gz-ink:       #0E0E12;

  /* ---------- accent (signal red — LOCKED #E63946, see DESIGN-CONTRACT.md) ---------- */
  --gz-ember:     #E63946;
  --gz-ember-2:   #F0525E;
  --gz-signal:    #F2C200;
  /* Field room (About / Creative Library) — canon in shell/tokens.css */
  --gz-orange:    #D85A2D;
  --gz-cream:     #F6EFE3;
  --gz-cream-2:   #EFE5D3;

  /* ---------- type stacks ---------- */
  --font-shell:   'Archivo', 'Arial Black', sans-serif;
  --font-display: 'Bebas Neue', 'Anton', 'Arial Narrow Bold', sans-serif;
  --font-sans:    'Inter', -apple-system, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'IBM Plex Mono', ui-monospace, monospace;
  --font-hand:    'Caveat', cursive;   /* B70 hand-notes ONLY */

  /* ---------- scale ---------- */
  --t-eyebrow:    11px;
  --t-meta:       12px;
  --t-body:       16px;
  --t-lead:       19px;
  --t-h4:         22px;
  --t-h3:         32px;
  --t-h2:         clamp(40px, 5vw, 64px);
  --t-h1:         clamp(64px, 8vw, 104px);
  --t-mega:       clamp(72px, 11vw, 156px);

  /* ---------- spacing ---------- */
  --pad-section:  clamp(64px, 10vw, 120px);
  --pad-x:        clamp(20px, 5vw, 96px);
  --max-w:        1440px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html {
  background: var(--gz-graphite);
  color: var(--gz-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  font-size: var(--t-body);
  line-height: 1.55;
  color: var(--gz-fog);
  background: var(--gz-graphite);
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

::selection { background: var(--gz-ember); color: var(--gz-white); }

/* ============================================================
   TYPOGRAPHY PRIMITIVES
   ============================================================ */

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--t-eyebrow);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gz-ash);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--gz-ember);
  flex-shrink: 0;
}
.eyebrow.no-dot::before { display: none; }
.eyebrow.on-light { color: #4a4a55; }

.meta {
  font-family: var(--font-mono);
  font-size: var(--t-meta);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gz-ash);
}

.h-display {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: 0.005em;
}
.h-mega   { font-family: var(--font-display); font-size: var(--t-mega); line-height: 0.92; letter-spacing: 0.005em; font-weight: 400; }
.h-1      { font-family: var(--font-display); font-size: var(--t-h1);   line-height: 0.94; letter-spacing: 0.005em; font-weight: 400; }
.h-2      { font-family: var(--font-display); font-size: var(--t-h2);   line-height: 0.96; letter-spacing: 0.005em; font-weight: 400; }
.h-3      { font-family: var(--font-sans);    font-size: var(--t-h3);   line-height: 1.1;  letter-spacing: -0.01em; font-weight: 700; }
.h-4      { font-family: var(--font-sans);    font-size: var(--t-h4);   line-height: 1.2;  letter-spacing: -0.005em; font-weight: 600; }

.italic-display { font-style: italic; }

.lead {
  font-size: var(--t-lead);
  line-height: 1.5;
  color: var(--gz-fog);
  font-weight: 400;
}

.body { font-size: var(--t-body); line-height: 1.6; color: var(--gz-fog); }
.body.on-light { color: #3a3a48; }

/* ============================================================
   BUTTONS / LINKS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  border: 1.5px solid var(--gz-white);
  color: var(--gz-white);
  background: transparent;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn .arr { transition: transform 200ms ease; display: inline-block; }
.btn:hover { background: var(--gz-ember); border-color: var(--gz-ember); }
.btn:hover .arr { transform: translateX(4px); }

.btn.ember { background: var(--gz-ember); border-color: var(--gz-ember); color: var(--gz-white); }
.btn.ember:hover { background: var(--gz-ember-2); border-color: var(--gz-ember-2); }

.btn.on-light { border-color: var(--gz-ink); color: var(--gz-ink); }
.btn.on-light:hover { background: var(--gz-ember); border-color: var(--gz-ember); color: var(--gz-white); }

.text-link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-bottom: 1.5px solid currentColor;
  padding-bottom: 3px;
  display: inline-flex;
  gap: 6px;
  align-items: center;
  transition: color 180ms ease, gap 200ms ease;
}
.text-link:hover { color: var(--gz-ember); gap: 10px; }

/* ============================================================
   IMAGE PLACEHOLDER (no real photography yet)
   ============================================================ */

.ph {
  position: relative;
  background: var(--gz-charcoal);
  background-image:
    linear-gradient(135deg,
      rgba(255,255,255,0.04) 0%,
      rgba(255,255,255,0.0) 40%,
      rgba(0,0,0,0.3) 100%),
    radial-gradient(ellipse at 30% 20%,
      rgba(230,57,70,0.06) 0%,
      rgba(0,0,0,0) 60%);
  overflow: hidden;
  isolation: isolate;
}

/* photo: real image, treated for editorial DNA */
.ph.photo {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-image: var(--src);
  filter: grayscale(100%) contrast(1.05) brightness(0.85);
}
.ph.photo.warm {
  filter: grayscale(70%) contrast(1.08) brightness(0.82) sepia(0.15);
}
.ph.photo.tinted::before,
.ph.photo::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(8,8,11,0.15) 0%, rgba(8,8,11,0.55) 100%),
    radial-gradient(ellipse at 50% 50%, rgba(230,57,70,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}
.ph.photo::after {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 3px 3px;
  pointer-events: none;
  z-index: 2;
  mix-blend-mode: overlay;
}
.ph::before {
  /* film grain */
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 3px 3px;
  pointer-events: none;
  z-index: 1;
}
.ph::after {
  /* subtle scanline */
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    180deg,
    rgba(0,0,0,0) 0,
    rgba(0,0,0,0) 3px,
    rgba(0,0,0,0.06) 3px,
    rgba(0,0,0,0.06) 4px
  );
  pointer-events: none;
  z-index: 1;
}

.ph .ph-label {
  position: absolute;
  top: 14px; left: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gz-fog);
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.ph .ph-label::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--gz-ember);
}
.ph .ph-num {
  position: absolute;
  bottom: 14px; right: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.4);
  z-index: 3;
}

.ph.video::after {
  background:
    repeating-linear-gradient(
      180deg, rgba(0,0,0,0) 0, rgba(0,0,0,0) 3px,
      rgba(0,0,0,0.06) 3px, rgba(0,0,0,0.06) 4px
    );
}
.ph.video .play {
  position: absolute;
  left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 64px; height: 64px;
  border: 1.5px solid var(--gz-white);
  border-radius: 50%;
  display: grid; place-items: center;
  z-index: 4;
  color: var(--gz-white);
  font-size: 18px;
  letter-spacing: 0;
}

.ph.light {
  background: var(--gz-bone);
  background-image:
    linear-gradient(135deg,
      rgba(0,0,0,0.04) 0%,
      rgba(0,0,0,0.0) 40%,
      rgba(0,0,0,0.12) 100%);
}
.ph.light::before { background-image: radial-gradient(rgba(0,0,0,0.04) 1px, transparent 1px); }
.ph.light::after { display: none; }
.ph.light .ph-label { color: #4a4a55; }
.ph.light .ph-num { color: rgba(0,0,0,0.4); }

/* scrim variants */
.scrim {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}
.scrim.bottom {
  background: linear-gradient(to top,
    rgba(8,8,11,0.85) 0%,
    rgba(8,8,11,0.4) 35%,
    rgba(8,8,11,0) 70%);
}
.scrim.top {
  background: linear-gradient(to bottom,
    rgba(8,8,11,0.5) 0%,
    rgba(8,8,11,0) 50%);
}

/* ============================================================
   CONTAINERS
   ============================================================ */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.section {
  padding-top: var(--pad-section);
  padding-bottom: var(--pad-section);
}
.section.tight { padding-top: clamp(48px, 7vw, 80px); padding-bottom: clamp(48px, 7vw, 80px); }
.bg-graphite { background: var(--gz-graphite); }
.bg-charcoal { background: var(--gz-charcoal); }
.bg-void     { background: var(--gz-void); }
.bg-bone     { background: var(--gz-bone); color: var(--gz-ink); }
.bg-bone .body, .bg-bone .lead { color: #3a3a48; }

/* ============================================================
   NAV
   ============================================================ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  transition: background 200ms ease, border-color 200ms ease, padding 200ms ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(14,14,18,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  /* shell signature: the red rule under the chrome */
  border-bottom: 2px solid var(--gz-ember);
  padding-top: 14px; padding-bottom: 14px;
}

.logo {
  /* shell chrome: Archivo wordmark (locked 2026-06-11) */
  font-family: var(--font-shell);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--gz-white);
  display: inline-flex;
  align-items: baseline;
  gap: 0;
}
.logo .dot {
  width: 8px; height: 8px;
  background: var(--gz-ember);
  display: inline-block;
  margin: 0 4px 3px 4px;
}
.logo .meta-mark {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--gz-ash);
  margin-left: 12px;
  text-transform: uppercase;
  align-self: center;
  margin-bottom: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gz-fog);
}
.nav-links a, .nav-links button {
  color: inherit;
  transition: color 150ms ease;
  padding: 6px 0;
  display: inline-flex;
  gap: 4px;
  align-items: center;
}
.nav-links a:hover, .nav-links button:hover { color: var(--gz-white); }
.nav-links button .caret { transition: transform 200ms ease; }
.nav-links button.is-open { color: var(--gz-ember); }
.nav-links button.is-open .caret { transform: rotate(180deg); }
.nav-links a.is-current { color: var(--gz-white); }

@media (max-width: 880px) {
  .nav-links { display: none; }
}

/* mega panel */
.mega {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: var(--gz-graphite);
  border-bottom: 1px solid var(--gz-steel);
  z-index: 99;
  padding-top: 80px;
  transform: translateY(-100%);
  transition: transform 320ms cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}
.mega.is-open {
  transform: translateY(0);
  pointer-events: auto;
}
.mega-inner {
  padding: 24px var(--pad-x) 32px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.mega-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 18px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--gz-steel);
}
.mega-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 880px) {
  .mega-tiles { grid-template-columns: 1fr 1fr; gap: 8px; }
  .mega-inner { padding: 16px 20px 24px; }
}
.mega-tile {
  position: relative;
  aspect-ratio: 5/4;
  overflow: hidden;
  background: var(--gz-charcoal);
  cursor: pointer;
  transition: transform 220ms ease;
}
.mega-tile .ph { position: absolute; inset: 0; }
.mega-tile .scrim.bottom { z-index: 2; }
.mega-tile:hover { transform: translateY(-2px); }
.mega-tile:hover .mt-name { color: var(--gz-ember); }
.mega-tile:hover .mt-arr  { color: var(--gz-ember); transform: translateX(4px); }

.mt-content {
  position: absolute;
  bottom: 16px; left: 16px; right: 16px;
  z-index: 3;
  color: var(--gz-white);
}
.mt-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gz-fog);
  margin-bottom: 6px;
}
.mt-name {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.01em;
  transition: color 180ms ease;
}
.mt-arr {
  position: absolute;
  top: 14px; right: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--gz-fog);
  z-index: 3;
  transition: color 180ms ease, transform 200ms ease;
}
.mega-foot {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--gz-steel);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gz-ash);
}

/* mega backdrop */
.mega-backdrop {
  position: fixed; inset: 0;
  background: rgba(8,8,11,0.6);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}
.mega-backdrop.is-open { opacity: 1; pointer-events: auto; }

/* ============================================================
   FOOTER
   ============================================================ */
.foot {
  background: var(--gz-void);
  /* shell signature: the red rule above the footer */
  border-top: 2px solid var(--gz-ember);
  color: var(--gz-fog);
}
.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 80px var(--pad-x) 40px;
  max-width: var(--max-w);
  margin: 0 auto;
}
@media (max-width: 720px) {
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; padding: 56px 20px 32px; }
}
.foot h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gz-white);
  margin: 0 0 18px;
}
.foot ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.foot a { color: var(--gz-fog); transition: color 150ms ease; }
.foot a:hover { color: var(--gz-ember); }
.foot-soon { opacity: .55; pointer-events: none; } /* inert footer item — no page yet (e.g. Careers) */
.foot-tag {
  max-width: 320px;
  font-size: 14px;
  line-height: 1.6;
  margin-top: 16px;
}
.foot-bottom {
  border-top: 1px solid var(--gz-steel);
  padding: 18px var(--pad-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gz-ash);
}

/* ============================================================
   UTILITIES
   ============================================================ */

.row { display: flex; }
.col { flex: 1; }
.grid { display: grid; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.gap-lg { gap: 24px; }
.gap-xl { gap: 48px; }

.divider { border-top: 1px solid var(--gz-steel); }
.divider-light { border-top: 1px solid rgba(0,0,0,0.12); }
.divider-dashed { border-top: 1px dashed var(--gz-steel); }

@media (max-width: 880px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 16px; }
}

/* reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.in { opacity: 1; transform: none; }