:root {
  --ink: #f2f4ef;
  --muted: #9ba5a3;
  --line: rgba(255,255,255,.12);
  --panel: #111722;
  --bg: #080b12;
  --accent: #ffb647;
  --green: #75efb5;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Manrope", sans-serif;
  line-height: 1.55;
}
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 20; background: var(--ink); color: var(--bg); padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }
.site-header {
  position: sticky; top: 0; z-index: 10;
  min-height: 84px; padding: 0 clamp(1.25rem, 4vw, 4.5rem);
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
  border-bottom: 1px solid var(--line);
  background: rgba(8,11,18,.88); backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: .85rem; text-decoration: none; }
.brand-mark {
  width: 42px; height: 42px; display: grid; place-items: center;
  border: 1px solid var(--accent); color: var(--accent);
  font: 500 .78rem "DM Mono", monospace; letter-spacing: .08em;
}
.brand strong, .brand small { display: block; }
.brand strong { font-size: .98rem; letter-spacing: .02em; }
.brand small { color: var(--muted); font-size: .68rem; margin-top: .08rem; }
nav { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2rem); }
nav a { color: var(--muted); font-size: .82rem; text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--ink); }
.nav-cta { color: var(--bg); background: var(--accent); padding: .68rem 1rem; font-weight: 700; }
.hero {
  min-height: calc(100vh - 84px); padding: clamp(4.5rem, 9vw, 8rem) clamp(1.25rem, 6vw, 7rem);
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); gap: clamp(3rem, 8vw, 8rem);
  align-items: center; position: relative; overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0; pointer-events: none; opacity: .4;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px; mask-image: linear-gradient(to right, #000, transparent 72%);
}
.hero-copy, .trace-card { position: relative; }
.eyebrow { color: var(--accent); font: 500 .7rem "DM Mono", monospace; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow span { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--green); margin-right: .55rem; box-shadow: 0 0 18px var(--green); }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(3.25rem, 7.4vw, 7.4rem); line-height: .93; letter-spacing: -.07em; margin: 1.4rem 0 2rem; max-width: 1040px; }
h1 em, .section-heading h2 em { font-style: normal; color: var(--accent); }
.hero-lede { max-width: 720px; color: #c2c9c5; font-size: clamp(1rem, 1.5vw, 1.25rem); }
.hero-actions { display: flex; gap: .9rem; flex-wrap: wrap; margin: 2.2rem 0 1.7rem; }
.button { text-decoration: none; padding: .9rem 1.15rem; font-size: .84rem; font-weight: 700; border: 1px solid var(--line); }
.button-primary { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.button-secondary { background: rgba(255,255,255,.03); }
.publisher-line { color: var(--muted); font-size: .78rem; }
.trace-card { background: linear-gradient(145deg, #141b27, #0d111a); border: 1px solid var(--line); box-shadow: 0 28px 80px rgba(0,0,0,.32); }
.trace-card-top { display: flex; justify-content: space-between; padding: .85rem 1rem; border-bottom: 1px solid var(--line); color: var(--muted); font: 500 .65rem "DM Mono"; letter-spacing: .09em; }
.trace-card-top .live { color: var(--green); }
.trace-visual { height: 150px; position: relative; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, rgba(255,182,71,.04), transparent); }
.trace-visual:after { content: ""; position: absolute; left: 6%; right: 6%; top: 52%; height: 1px; background: var(--accent); box-shadow: 0 0 18px rgba(255,182,71,.5); transform: rotate(-8deg); }
.trace-visual span { position: absolute; left: var(--x); bottom: 16%; width: 4px; height: var(--h); background: var(--green); opacity: .6; }
.product-kicker { margin: 1.35rem 1.35rem .5rem; color: var(--accent); font: .68rem "DM Mono"; text-transform: uppercase; letter-spacing: .08em; }
.trace-card h2 { font-size: clamp(1.65rem, 2.7vw, 2.45rem); line-height: 1.08; letter-spacing: -.04em; margin: 0 1.35rem 1.4rem; }
.trace-card dl { margin: 0; border-top: 1px solid var(--line); }
.trace-card dl div { display: grid; grid-template-columns: 1fr 1.4fr; padding: .72rem 1.35rem; border-bottom: 1px solid var(--line); font-size: .75rem; }
.trace-card dt { color: var(--muted); } .trace-card dd { margin: 0; text-align: right; }
.signal-strip { display: flex; justify-content: space-around; gap: 2rem; overflow: hidden; padding: .85rem 1rem; border-block: 1px solid var(--line); color: var(--muted); font: .62rem "DM Mono"; letter-spacing: .12em; white-space: nowrap; }
.section { padding: clamp(5rem, 10vw, 9rem) clamp(1.25rem, 6vw, 7rem); border-bottom: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: 1fr 1.6fr 1fr; gap: 3rem; align-items: end; margin-bottom: 4rem; }
.section-heading .eyebrow { align-self: start; }
.section-heading h2, .boundary-section h2 { font-size: clamp(2.5rem, 5vw, 5rem); line-height: .98; letter-spacing: -.055em; margin: 0; }
.section-heading > p:last-child, .boundary-copy { color: var(--muted); }
.offer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.offer-panel { background: var(--bg); padding: clamp(1.5rem, 4vw, 3.5rem); }
.panel-label { color: var(--muted); font: .68rem "DM Mono"; letter-spacing: .1em; text-transform: uppercase; }
.offer-panel ul { list-style: none; padding: 0; margin: 2rem 0 0; }
.offer-panel li { padding: 1rem 0; border-top: 1px solid var(--line); }
.offer-panel li:before { content: "✓"; color: var(--green); margin-right: .75rem; }
.accent-panel { background: var(--accent); color: var(--bg); }
.accent-panel .panel-label, .accent-panel p { color: rgba(8,11,18,.72); }
.accent-panel h3 { font-size: clamp(2rem, 4vw, 4rem); line-height: .98; letter-spacing: -.05em; margin: 2rem 0 1rem; }
.api-links { margin-top: 2rem; border-top: 1px solid rgba(8,11,18,.24); }
.api-links a { display: flex; justify-content: space-between; padding: .85rem 0; border-bottom: 1px solid rgba(8,11,18,.24); text-decoration: none; font-weight: 700; }
.compact { grid-template-columns: 1fr 2.6fr; }
.agent-flow { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--line); }
.agent-flow li { min-height: 190px; padding: 1.2rem; border-right: 1px solid var(--line); display: flex; flex-direction: column; justify-content: space-between; }
.agent-flow li:last-child { border-right: 0; }
.agent-flow > li > span { color: var(--accent); font: .7rem "DM Mono"; }
.agent-flow strong { display: block; margin-bottom: .4rem; }.agent-flow p { color: var(--muted); font-size: .82rem; }
.boundary-section { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(3rem, 8vw, 8rem); align-items: end; background: #0d121b; }
.relationship-section { padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 6vw, 7rem); }
.relationship-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 2rem; border: 1px solid var(--line); }
.relationship-grid > * { padding: 2rem; border-right: 1px solid var(--line); text-decoration: none; }
.relationship-grid > *:last-child { border-right: 0; }
.relationship-grid span { color: var(--muted); font: .66rem "DM Mono"; text-transform: uppercase; letter-spacing: .1em; }
.relationship-grid strong { display: block; font-size: 1.45rem; margin: .55rem 0; }
.relationship-grid p { color: var(--muted); font-size: .82rem; margin: 0; }
.relationship-grid .current { background: var(--panel); box-shadow: inset 0 3px var(--accent); }
footer { padding: 2.4rem clamp(1.25rem, 4vw, 4.5rem); border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 2rem; color: var(--muted); font-size: .72rem; }
.footer-brand { color: var(--ink); }
@media (max-width: 900px) {
  nav > a:not(.nav-cta) { display: none; }
  .hero, .section-heading, .boundary-section { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .agent-flow { grid-template-columns: 1fr 1fr; }
  .agent-flow li { border-bottom: 1px solid var(--line); }
  .relationship-grid { grid-template-columns: 1fr; }
  .relationship-grid > * { border-right: 0; border-bottom: 1px solid var(--line); }
  footer { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 600px) {
  .site-header { min-height: 72px; }
  .brand small { display: none; }
  .hero { padding-top: 4rem; }
  h1 { font-size: clamp(3rem, 16vw, 4.4rem); }
  .offer-grid, .agent-flow { grid-template-columns: 1fr; }
  .agent-flow li { min-height: 145px; border-right: 0; }
  .signal-strip { justify-content: flex-start; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* Proof-led AuctionTrace storefront */
:root {
  --ink: #f6f4ee;
  --muted: #9ea6a4;
  --line: rgba(255, 255, 255, .12);
  --line-strong: rgba(255, 255, 255, .22);
  --panel: #111722;
  --panel-soft: #0d121a;
  --bg: #07090d;
  --accent: #ffb347;
  --accent-soft: #ffd38a;
  --green: #76efb6;
  --danger: #ff7c68;
}

body {
  background:
    radial-gradient(circle at 74% 8%, rgba(255, 179, 71, .08), transparent 28rem),
    var(--bg);
}

.site-header {
  min-height: 78px;
  background: rgba(7, 9, 13, .9);
}

.nav-cta {
  color: var(--bg);
  background: var(--accent);
  border: 1px solid var(--accent);
}

.hero {
  min-height: calc(100vh - 78px);
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, .8fr);
}

.hero-grid {
  opacity: .28;
  background-size: 72px 72px;
  mask-image: linear-gradient(105deg, #000 15%, rgba(0, 0, 0, .35) 64%, transparent);
}

.hero-glow {
  position: absolute;
  width: 42rem;
  height: 42rem;
  right: -18rem;
  top: -18rem;
  border: 1px solid rgba(255, 179, 71, .16);
  border-radius: 50%;
  box-shadow:
    0 0 0 8rem rgba(255, 179, 71, .02),
    0 0 0 16rem rgba(255, 179, 71, .015);
  pointer-events: none;
}

.hero h1 {
  max-width: 1120px;
  font-size: clamp(3.25rem, 6.8vw, 7.1rem);
}

.hero-lede {
  max-width: 800px;
}

.publisher-line {
  max-width: 690px;
  padding-left: 1rem;
  border-left: 2px solid var(--green);
}

.trace-card {
  border-color: var(--line-strong);
  background:
    linear-gradient(150deg, rgba(255, 179, 71, .06), transparent 42%),
    linear-gradient(145deg, #141a24, #0b0f15);
}

.trace-card-top .verified {
  color: var(--green);
}

.proof-primary {
  padding: clamp(2rem, 5vw, 4.6rem) 1.5rem 2rem;
  border-bottom: 1px solid var(--line);
}

.proof-primary strong,
.proof-primary span {
  display: block;
}

.proof-primary strong {
  color: var(--accent);
  font-size: clamp(4rem, 8vw, 7.4rem);
  line-height: .85;
  letter-spacing: -.075em;
}

.proof-primary span {
  margin-top: 1.2rem;
  color: var(--muted);
  font: 500 .72rem "DM Mono", monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.proof-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line);
}

.proof-pair > div {
  padding: 1.25rem 1.5rem;
}

.proof-pair > div + div {
  border-left: 1px solid var(--line);
}

.proof-pair strong,
.proof-pair span {
  display: block;
}

.proof-pair strong {
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  letter-spacing: -.04em;
}

.proof-pair span {
  margin-top: .35rem;
  color: var(--muted);
  font-size: .7rem;
}

.trace-card-note {
  padding: 1.2rem 1.5rem 1.4rem;
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.6;
}

.section-heading {
  grid-template-columns: .7fr 1.65fr 1fr;
}

.section-heading > p:last-child {
  line-height: 1.75;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
}

.metric-grid article {
  min-height: 240px;
  padding: clamp(1.4rem, 3vw, 2.4rem);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}

.metric-grid article:last-child {
  border-right: 0;
}

.metric-label,
.card-top,
.kit-grid article > span {
  color: var(--muted);
  font: 500 .65rem "DM Mono", monospace;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.metric-grid strong {
  margin: auto 0 .65rem;
  color: var(--accent);
  font-size: clamp(2.4rem, 4.5vw, 4.5rem);
  line-height: .95;
  letter-spacing: -.065em;
}

.metric-grid p {
  margin: 0;
  color: var(--muted);
  font-size: .78rem;
}

.evidence-boundary,
.strategy-footnote {
  margin: 1.25rem 0 0 auto;
  max-width: 770px;
  color: var(--muted);
  font-size: .73rem;
  text-align: right;
}

.strategy-section {
  background:
    linear-gradient(180deg, rgba(255, 179, 71, .035), transparent 28%),
    var(--panel-soft);
}

.strategy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.strategy-card {
  min-height: 320px;
  padding: clamp(1.5rem, 3.5vw, 3rem);
  background: var(--bg);
  display: flex;
  flex-direction: column;
}

.strategy-card.featured {
  background:
    radial-gradient(circle at 85% 15%, rgba(118, 239, 182, .12), transparent 16rem),
    #111921;
}

.strategy-card.reversal-card {
  grid-column: 1 / -1;
  min-height: 280px;
  background:
    linear-gradient(100deg, rgba(255, 179, 71, .08), transparent 55%),
    var(--bg);
}

.card-top {
  display: flex;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.strategy-card h3 {
  margin: auto 0 1rem;
  font-size: clamp(2rem, 4.4vw, 4.3rem);
  line-height: .98;
  letter-spacing: -.055em;
}

.strategy-card h3 em {
  color: var(--green);
  font-style: normal;
}

.pf-line {
  margin-bottom: 1rem;
  color: var(--ink);
  font: 500 clamp(1rem, 2vw, 1.35rem) "DM Mono", monospace;
}

.pf-line span {
  color: var(--accent);
  padding: 0 .45rem;
}

.strategy-card > p:last-child {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: .82rem;
}

.kit-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--line);
}

.kit-grid article {
  min-height: 290px;
  padding: 1.5rem;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}

.kit-grid article:last-child {
  border-right: 0;
}

.kit-grid h3 {
  margin: auto 0 .8rem;
  font-size: 1.25rem;
  letter-spacing: -.025em;
}

.kit-grid p {
  margin: 0;
  color: var(--muted);
  font-size: .76rem;
}

.integration-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
  background: #0c1118;
}

.integration-copy h2,
.purchase-section h2 {
  margin: 1.4rem 0 2rem;
  font-size: clamp(2.8rem, 5.4vw, 5.7rem);
  line-height: .96;
  letter-spacing: -.06em;
}

.integration-copy h2 em,
.purchase-section h2 em,
.boundary-section h2 em {
  color: var(--accent);
  font-style: normal;
}

.integration-copy > p:not(.eyebrow) {
  max-width: 700px;
  color: #c6cbc7;
}

.integration-copy .quiet {
  color: var(--muted);
  font-size: .8rem;
}

.alignment-card {
  border: 1px solid var(--line-strong);
  background: var(--bg);
  box-shadow: 0 30px 90px rgba(0, 0, 0, .3);
}

.alignment-head,
.alignment-row {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  align-items: center;
}

.alignment-head {
  grid-template-columns: 1fr 1fr;
  padding: .85rem 1.2rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font: 500 .63rem "DM Mono", monospace;
  letter-spacing: .09em;
}

.alignment-head span:last-child {
  text-align: right;
}

.alignment-row {
  min-height: 82px;
  padding: 0 1.2rem;
  border-bottom: 1px solid var(--line);
  font: .72rem "DM Mono", monospace;
}

.alignment-row > span:last-child {
  color: var(--green);
  text-align: right;
}

.alignment-row i {
  position: relative;
  height: 1px;
  background: var(--accent);
}

.alignment-row i::after {
  content: "";
  position: absolute;
  right: -1px;
  top: -3px;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--accent);
  border-right: 1px solid var(--accent);
  transform: rotate(45deg);
}

.alignment-result {
  padding: 1rem 1.2rem;
  color: var(--muted);
  font-size: .72rem;
  text-align: center;
}

.purchase-section {
  padding: clamp(5rem, 10vw, 9rem) clamp(1.25rem, 6vw, 7rem);
  border-bottom: 1px solid var(--line);
  background: var(--accent);
  color: var(--bg);
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: clamp(3rem, 9vw, 10rem);
  align-items: center;
}

.purchase-section .eyebrow,
.purchase-section h2 em {
  color: rgba(7, 9, 13, .66);
}

.purchase-card {
  border: 1px solid rgba(7, 9, 13, .28);
  background: rgba(255, 255, 255, .16);
}

.price-row {
  padding: 1.5rem;
  border-bottom: 1px solid rgba(7, 9, 13, .2);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.price-row strong {
  font-size: clamp(4rem, 7vw, 6.5rem);
  line-height: .8;
  letter-spacing: -.07em;
}

.price-row span {
  font: 500 .65rem "DM Mono", monospace;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.purchase-card dl {
  margin: 0;
}

.purchase-card dl div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem 1.5rem;
  border-bottom: 1px solid rgba(7, 9, 13, .18);
  font-size: .76rem;
}

.purchase-card dd {
  margin: 0;
  text-align: right;
  font-weight: 700;
}

.button-dark {
  display: block;
  margin: 1.4rem;
  color: var(--ink);
  background: var(--bg);
  border-color: var(--bg);
  text-align: center;
}

.text-link {
  display: flex;
  justify-content: space-between;
  padding: 0 1.4rem 1.4rem;
  color: rgba(7, 9, 13, .75);
  font-size: .72rem;
  text-decoration: none;
}

.compact {
  grid-template-columns: .7fr 2.65fr;
}

.agent-section .api-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.agent-section .api-links a {
  min-height: 110px;
  padding: 1.15rem;
  border: 0;
  border-right: 1px solid var(--line);
  background: var(--bg);
  display: grid;
  grid-template-columns: 1fr auto;
  align-content: space-between;
}

.agent-section .api-links a:last-child {
  border-right: 0;
}

.agent-section .api-links span {
  font-weight: 700;
}

.agent-section .api-links small {
  grid-column: 1 / -1;
  color: var(--muted);
  font: .62rem "DM Mono", monospace;
}

.agent-section .api-links b {
  color: var(--accent);
  font-weight: 400;
}

.boundary-section {
  background:
    linear-gradient(110deg, rgba(255, 179, 71, .045), transparent 55%),
    #0c1118;
}

.boundary-section h2 {
  max-width: 900px;
}

@media (hover: hover) {
  .button,
  .nav-cta,
  .strategy-card,
  .agent-section .api-links a,
  .relationship-grid > * {
    transition: transform .18s ease, background-color .18s ease, border-color .18s ease;
  }

  .button:hover,
  .nav-cta:hover {
    transform: translateY(-2px);
  }

  .strategy-card:hover,
  .agent-section .api-links a:hover {
    background-color: #151d28;
  }
}

@media (max-width: 1080px) {
  .metric-grid {
    grid-template-columns: 1fr 1fr;
  }

  .metric-grid article {
    min-height: 210px;
    border-bottom: 1px solid var(--line);
  }

  .metric-grid article:nth-child(2) {
    border-right: 0;
  }

  .kit-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .kit-grid article {
    min-height: 230px;
    border-bottom: 1px solid var(--line);
  }

  .kit-grid article:nth-child(2n) {
    border-right: 0;
  }

  .kit-grid article:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .hero,
  .section-heading,
  .integration-section,
  .purchase-section,
  .boundary-section {
    grid-template-columns: 1fr;
  }

  .strategy-grid {
    grid-template-columns: 1fr;
  }

  .strategy-card.reversal-card {
    grid-column: auto;
  }

  .strategy-card {
    min-height: 290px;
  }

  .agent-section .api-links {
    grid-template-columns: 1fr 1fr;
  }

  .agent-section .api-links a:nth-child(2) {
    border-right: 0;
  }

  .purchase-section {
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: clamp(3rem, 15vw, 4.5rem);
  }

  .proof-pair,
  .metric-grid,
  .kit-grid,
  .agent-section .api-links {
    grid-template-columns: 1fr;
  }

  .proof-pair > div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .metric-grid article,
  .kit-grid article,
  .agent-section .api-links a {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .kit-grid article:last-child {
    grid-column: auto;
  }

  .strategy-card {
    min-height: 330px;
  }

  .evidence-boundary,
  .strategy-footnote {
    text-align: left;
  }

  .alignment-head,
  .alignment-row {
    grid-template-columns: 1fr 42px 1fr;
  }

  .alignment-head {
    grid-template-columns: 1fr 1fr;
  }
}