:root {
  --bg: #0e1418;
  --bg-soft: #131b21;
  --bg-dark: #080c10;
  --ink: #e8edf2;
  --ink-soft: #a8b2bc;
  --ink-dim: #6b7681;
  --amber: #c79a4a;
  --amber-soft: #b07a3a;
  --green: #4a8a6a;
  --rule: rgba(232,237,242,0.08);
  --max: 1100px;
  --pad-x: clamp(1.25rem, 4vw, 2.5rem);
  --section-y: clamp(4rem, 8vw, 7rem);
  --ease: cubic-bezier(.2,.6,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--amber); text-decoration: none; transition: color 200ms var(--ease); }
a:hover { color: var(--ink); }
img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

/* ----------- header ----------- */
.hdr {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14,20,24,0.85);
  backdrop-filter: saturate(1.2) blur(12px);
  border-bottom: 1px solid var(--rule);
}
.hdr .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.brand {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}
.brand .glyph {
  width: 2.4rem;
  height: 2.4rem;
  color: var(--amber);
  flex-shrink: 0;
}
.brand .dim { color: var(--ink-dim); font-weight: 400; }
.hdr nav {
  display: flex;
  gap: 1.8rem;
}
.hdr nav a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.98rem;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
}
.hdr nav a:hover { color: var(--amber); }
@media (max-width: 720px) {
  .hdr nav { display: none; }
}

/* ----------- hero ----------- */
.hero {
  position: relative;
  padding: clamp(5rem, 12vw, 9rem) 0 clamp(4rem, 9vw, 7rem);
  overflow: hidden;
  border-bottom: 1px solid var(--rule);
}
.hero .wrap { position: relative; z-index: 2; }
.kbd {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  color: var(--amber);
  margin: 0 0 1.6rem;
  letter-spacing: 0.04em;
}
.hero h1 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 1.6rem;
  color: var(--ink);
}
.hero .sub {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0 0 2.4rem;
}
.cta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.95rem 1.6rem;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 200ms var(--ease);
  border: 1px solid transparent;
}
.btn.primary {
  background: var(--amber);
  color: var(--bg-dark);
  border-color: var(--amber);
}
.btn.primary:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg-dark);
}
.btn.ghost {
  background: transparent;
  color: var(--ink-soft);
  border-color: var(--rule);
}
.btn.ghost:hover {
  border-color: var(--amber);
  color: var(--amber);
}
.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(199,154,74,0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(199,154,74,0.07) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 70% at 65% 40%, #000 35%, transparent 95%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 65% 40%, #000 35%, transparent 95%);
  pointer-events: none;
  z-index: 1;
}
/* Horizon — flows inline between paragraph and CTAs, sun-on-horizon composition */
.horizon-inline {
  position: relative;
  height: 64px; /* one grid square */
  margin-top: 1.6rem;
  margin-bottom: 1.6rem;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  pointer-events: none;
}
.horizon-inline .horizon-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent 0%,
    rgba(199,154,74,0.45) 10%,
    rgba(199,154,74,0.85) 50%,
    rgba(199,154,74,0.45) 90%,
    transparent 100%
  );
}
.horizon-inline .horizon-ring {
  position: absolute;
  right: 4%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(420px, 56vw, 780px);
  height: clamp(420px, 56vw, 780px);
  color: rgba(199,154,74,0.06);
}
@media (max-width: 760px) {
  .horizon-inline .horizon-ring {
    right: 50%;
    transform: translate(50%, -50%);
    width: clamp(320px, 90vw, 540px);
    height: clamp(320px, 90vw, 540px);
    color: rgba(199,154,74,0.05);
  }
}
/* ----------- sections ----------- */
.sec {
  position: relative;
  overflow: hidden;
  padding: var(--section-y) 0;
  border-bottom: 1px solid var(--rule);
}
.sec .wrap { position: relative; z-index: 2; }
.sec.dark {
  background: var(--bg-dark);
}
.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.92rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 0 0 1.4rem;
}
.eyebrow.amber { color: var(--amber); }
.sec h2 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 1.8rem;
  max-width: 28ch;
  color: var(--ink);
}
.sec h2 a { color: var(--amber); }
.sec .lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 62ch;
  line-height: 1.7;
}

/* ----------- three-column cards ----------- */
.three {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}
@media (min-width: 760px) {
  .three { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
}
.card {
  padding: 2rem 1.75rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--rule);
  border-radius: 4px;
  transition: border-color 240ms var(--ease), transform 240ms var(--ease);
}
.card:hover {
  border-color: var(--amber);
  transform: translateY(-3px);
}
.card .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.05rem;
  color: var(--amber);
  margin-bottom: 0.8rem;
  letter-spacing: 0.05em;
}
.card h3 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  margin: 0 0 0.8rem;
  color: var(--ink);
}
.card p {
  color: var(--ink-soft);
  font-size: 0.96rem;
  line-height: 1.65;
  margin: 0;
}
.card a {
  color: var(--amber);
  border-bottom: 1px solid var(--amber-soft);
}

/* ----------- row-style stack module ----------- */
.row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--rule);
}
.row:last-child { border-bottom: 1px solid var(--rule); }
@media (min-width: 820px) {
  .row { grid-template-columns: 280px 1fr; gap: 3rem; align-items: start; padding: 3rem 0; }
}
.row-l { display: flex; align-items: baseline; gap: 1rem; }
.pill {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.92rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--amber-soft);
  color: var(--amber);
  border-radius: 999px;
  letter-spacing: 0.05em;
}
.row-l h3 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: clamp(1.5rem, 2.4vw, 1.9rem);
  margin: 0;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.row-r p {
  color: var(--ink-soft);
  margin: 0 0 1rem;
  line-height: 1.7;
}
.row-r p:last-child { margin-bottom: 0; }
.row-r p strong {
  color: var(--ink);
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.02rem;
  font-weight: 500;
}

/* ----------- two-column ----------- */
.two {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 820px) {
  .two { grid-template-columns: 1fr 1fr; gap: 4rem; }
}
.ticks {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}
.ticks li {
  position: relative;
  padding: 0.4rem 0 0.4rem 1.6rem;
  color: var(--ink-soft);
  line-height: 1.6;
}
.ticks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1rem;
  width: 0.7rem;
  height: 1px;
  background: var(--amber);
}

/* ----------- middle-aligned section ----------- */
.mid {
  text-align: center;
}
.mid .eyebrow,
.mid h2 {
  margin-left: auto;
  margin-right: auto;
}
.mid h2 { max-width: 22ch; }
.doors { text-align: left; }

/* ----------- footer ----------- */
footer {
  background: var(--bg-dark);
  padding: clamp(2.5rem, 5vw, 4rem) 0 2rem;
  font-size: 0.9rem;
}
.ft {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 760px) {
  .ft { grid-template-columns: 2fr 1fr; }
}
.brand-foot {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 0.8rem;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}
.brand-foot .glyph {
  width: 1.3rem;
  height: 1.3rem;
  color: var(--amber);
  flex-shrink: 0;
}
.brand-foot .dim { color: var(--ink-dim); font-weight: 400; }
.copy.small { font-size: 0.78rem; margin-top: 0.6rem; opacity: 0.85; }
.copy {
  color: var(--ink-dim);
  font-size: 0.84rem;
  line-height: 1.6;
  margin: 0;
  max-width: 60ch;
}
.copy a { color: var(--ink-soft); border-bottom: 1px solid var(--rule); }
.copy a:hover { color: var(--amber); }
.ft-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}
.ft-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.ft-links a:hover { color: var(--amber); }

/* ----------- org structure diagram ----------- */
.org {
  margin: 3rem auto 2rem;
  max-width: 880px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.8rem;
}
.org-tier {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.org-tier.two-cols,
.org-tier.three-cols {
  display: grid;
  gap: 1rem;
}
.org-tier.two-cols { grid-template-columns: 1fr 1fr; }
.org-tier.three-cols { grid-template-columns: 1fr; }
@media (min-width: 760px) {
  .org-tier.three-cols { grid-template-columns: repeat(3, 1fr); }
}
.org-box {
  border: 1px solid var(--rule);
  background: rgba(255,255,255,0.02);
  padding: 1rem 1.2rem;
  text-align: center;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
}
.org-box.small {
  min-width: 9rem;
  padding: 0.7rem 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
  color: var(--ink);
  border-color: var(--ink-dim);
}
.org-box.parent {
  background: var(--bg-dark);
  border-color: var(--amber-soft);
  padding: 1.6rem 1.8rem;
  max-width: 480px;
  margin: 0 auto;
  width: 100%;
}
.org-box.parent .org-title {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  color: var(--ink);
}
.org-box.parent .org-sub {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  letter-spacing: 0.4em;
  font-size: 0.95rem;
  color: var(--amber);
  margin-top: 0.2rem;
}
.org-box.product {
  border-color: var(--rule);
}
.org-box.client {
  border-color: var(--rule);
  border-style: dashed;
}
.org-box.client.anchor {
  border-style: solid;
  border-color: var(--amber-soft);
}
.org-title-sm {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.org-rule {
  border-top: 1px solid var(--rule);
  margin: 0.5rem auto;
  width: 60%;
}
.org-meta {
  font-size: 0.78rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
  line-height: 1.5;
}
.org-meta.italic { font-style: italic; color: var(--ink-dim); }
.org-domain {
  margin-top: 0.6rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--amber);
}
.org-stamp {
  margin-top: 0.6rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--ink-dim);
  padding-top: 0.5rem;
  border-top: 1px solid var(--rule);
}
.org-arrow {
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--ink-dim);
  position: relative;
  padding: 1.4rem 0;
}
.org-arrow::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 0.9rem;
  background: var(--rule);
}
.org-arrow::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 1px;
  height: 0.9rem;
  background: var(--rule);
}
.org-arrow.dashed::before,
.org-arrow.dashed::after {
  background: transparent;
  border-left: 1px dashed var(--ink-dim);
}
.org-arrow .org-meta {
  display: block;
  font-size: 0.65rem;
  color: var(--ink-dim);
  margin-top: 0.2rem;
  letter-spacing: 0.15em;
}
.principles {
  margin-top: 2.2rem;
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
}
.principles li {
  text-align: center;
  padding-left: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}
.principles li::before { display: none; }