/* ============================================================
   EMBERS — Global + Landing surface
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  font-family: "Inter", system-ui, sans-serif;
  background: #0E0C09;
  color: #FAF6F1;
  font-size: 16px;
  line-height: 1.55;
}

img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }
a { color: inherit; }

/* ---------- Direction rail (sticky chip nav) ---------- */
.rail {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14, 12, 9, .82);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.rail__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 12px var(--gutter);
  display: flex;
  align-items: center;
  gap: 24px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #A99B85;
}
.rail__brand {
  color: #FAF6F1;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}
.rail__brand-mark {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #F4A06A, #D6541A 55%, #4A1A05);
  box-shadow: 0 0 12px -2px rgba(237,122,61,.6);
}
.rail__chips {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.rail__chip {
  padding: 8px 14px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 999px;
  background: transparent;
  color: #A99B85;
  text-decoration: none;
  letter-spacing: .08em;
  transition: all 200ms ease;
}
.rail__chip:hover { color: #FAF6F1; border-color: rgba(255,255,255,.2); }
.rail__chip--foundry:hover { background: #F4EFE5; color: #1F1D17; border-color: #F4EFE5; }
.rail__chip--kindling:hover  { background: #ED7A3D; color: #0A1F22; border-color: #ED7A3D; }
.rail__chip--atlas:hover   { background: #5E7BE8; color: #06080C; border-color: #5E7BE8; }

/* ============================================================
   LANDING SURFACE
   ============================================================ */
.landing {
  background: #0E0C09;
  color: #FAF6F1;
  padding: var(--sp-9) var(--gutter) var(--sp-9);
  position: relative;
  overflow: hidden;
}
.landing::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 600px at 80% 20%, rgba(237,122,61,.10), transparent 60%),
    radial-gradient(700px 500px at 10% 90%, rgba(46,138,149,.10), transparent 60%);
  pointer-events: none;
}
.landing__inner { max-width: 1240px; margin: 0 auto; position: relative; }

.landing__eyebrow {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #A99B85;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.landing__eyebrow::before {
  content: "";
  width: 24px; height: 1px;
  background: #A99B85;
}

.landing__title {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 300;
  font-size: clamp(48px, 8vw, 104px);
  line-height: .98;
  letter-spacing: -.025em;
  margin: 0 0 36px;
  max-width: 1100px;
}
.landing__title em {
  font-style: italic;
  font-weight: 300;
  color: #ED7A3D;
}

.landing__lede {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 980px;
  margin-bottom: var(--sp-8);
}
.landing__lede p {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  color: #D6D2C2;
  max-width: 46ch;
}
.landing__lede p:first-child { color: #FAF6F1; }

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.08);
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin: var(--sp-8) 0 var(--sp-9);
}
.pillar {
  background: #0E0C09;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.pillar__num {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  color: #A99B85;
  letter-spacing: .08em;
}
.pillar__name {
  font-family: "Fraunces", Georgia, serif;
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -.01em;
}
.pillar__desc {
  font-size: 13px;
  line-height: 1.5;
  color: #A99B85;
}

/* Direction tiles — each tile must already feel like its direction */
.tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: var(--sp-9);
}
.tile {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: transform 400ms cubic-bezier(.16,1,.3,1);
  isolation: isolate;
}
.tile:hover { transform: translateY(-4px); }
.tile__meta {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 8px;
  opacity: .7;
}
.tile__name {
  font-size: 56px;
  line-height: .95;
  letter-spacing: -.025em;
  margin: 0;
}
.tile__claim {
  font-size: 14px;
  line-height: 1.5;
  margin: 12px 0 0;
  max-width: 32ch;
}
.tile__footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* Tile A — Foundry: paper, ink, ruled */
.tile--foundry {
  background: #F4EFE5;
  color: #1F1D17;
  padding: 32px;
  border: 1px solid #E8E0D0;
  background-image:
    repeating-linear-gradient(to bottom, transparent 0 31px, rgba(31,29,23,.04) 31px 32px);
}
.tile--foundry .tile__name {
  font-family: "Cormorant Garamond", "EB Garamond", Georgia, serif;
  font-weight: 400;
  font-style: italic;
}
.tile--foundry .tile__rule {
  height: 1px;
  background: #1F1D17;
  width: 56px;
  margin: 18px 0;
}
.tile--foundry .tile__hero {
  margin-top: 28px;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Tile B — Kindling: warm, ember glow, soft */
.tile--kindling {
  background: radial-gradient(120% 80% at 70% 30%, #6B260A 0%, #2A1308 60%, #0F2D32 100%);
  color: #FAD9C0;
  padding: 32px;
  overflow: hidden;
}
.tile--kindling::before {
  content: "";
  position: absolute;
  width: 280px; height: 280px;
  right: -80px; top: -80px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #F4A06A, #D6541A 40%, transparent 70%);
  filter: blur(8px);
  opacity: .85;
  z-index: -1;
  animation: tile-pulse 5s ease-in-out infinite;
}
@keyframes tile-pulse {
  0%, 100% { transform: scale(1); opacity: .85; }
  50% { transform: scale(1.08); opacity: 1; }
}
.tile--kindling .tile__name {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 400;
  font-style: italic;
}
.tile--kindling .tile__claim { color: #FAD9C0; }
.tile--kindling .tile__meta { color: #F4A06A; opacity: 1; }

/* Tile C — Atlas: technical, mono, gridded */
.tile--atlas {
  background: #06080C;
  color: #DDE3FB;
  padding: 32px;
  border: 1px solid #2A303B;
  background-image:
    linear-gradient(to right, rgba(94,123,232,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(94,123,232,.06) 1px, transparent 1px);
  background-size: 24px 24px;
}
.tile--atlas .tile__name {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 500;
  font-size: 44px;
  letter-spacing: -.04em;
}
.tile--atlas .tile__claim { color: #8E96A1; font-family: "Inter", sans-serif; }
.tile--atlas .tile__meta { color: #5E7BE8; }
.tile--atlas .tile__hero {
  margin-top: 24px;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Comparison strip */
.compare {
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: var(--sp-9);
}
.compare__title {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #A99B85;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.compare__row {
  display: grid;
  grid-template-columns: 160px repeat(3, 1fr);
  border-bottom: 1px solid rgba(255,255,255,.06);
  font-size: 14px;
}
.compare__row:last-child { border-bottom: none; }
.compare__row > div {
  padding: 18px 20px 18px 0;
  border-right: 1px solid rgba(255,255,255,.06);
}
.compare__row > div:last-child { border-right: none; }
.compare__label {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #A99B85;
  align-self: center;
}
.compare__cell { color: #D6D2C2; line-height: 1.5; }
.compare__cell strong {
  display: block;
  font-weight: 500;
  color: #FAF6F1;
  margin-bottom: 4px;
  font-size: 13px;
}
.compare__swatches {
  display: flex;
  gap: 4px;
  margin-top: 6px;
}
.compare__swatches span {
  width: 18px; height: 18px;
  border-radius: 2px;
  display: inline-block;
}

/* Constitution callout */
.constitution {
  margin: var(--sp-9) 0 var(--sp-7);
  padding: var(--sp-7) 0;
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
}
.constitution__label {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #A99B85;
}
.constitution__quote {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 300;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.25;
  letter-spacing: -.015em;
  margin: 0;
  color: #FAF6F1;
}
.constitution__quote em {
  color: #ED7A3D;
  font-style: italic;
}

/* Responsive */
@media (max-width: 900px) {
  .landing__lede { grid-template-columns: 1fr; gap: 24px; }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .tiles { grid-template-columns: 1fr; }
  .compare__row { grid-template-columns: 120px 1fr; }
  .compare__row > div { border-right: none; }
  .compare__cell { grid-column: 2; }
  .constitution { grid-template-columns: 1fr; gap: 24px; }
}