:root {
  color-scheme: dark;
  --bg: #020607;
  --bg-deep: #010304;
  --panel: rgba(6, 15, 17, 0.9);
  --panel-strong: rgba(9, 20, 22, 0.96);
  --panel-soft: rgba(11, 25, 27, 0.72);
  --surface: rgba(4, 12, 14, 0.88);
  --surface-raised: rgba(9, 20, 22, 0.95);
  --surface-hover: rgba(13, 31, 33, 0.88);
  --gold: #d8a64a;
  --gold-bright: #f4c76c;
  --gold-soft: rgba(216, 166, 74, 0.18);
  --teal: #39d2d2;
  --teal-soft: rgba(57, 210, 210, 0.18);
  --green: #9cdd67;
  --amber: #f0b85a;
  --red: #ff695f;
  --line: rgba(216, 166, 74, 0.43);
  --line-soft: rgba(216, 166, 74, 0.18);
  --line-teal: rgba(57, 210, 210, 0.26);
  --text: #fff3dc;
  --muted: #c4c9c1;
  --faint: #7e8d87;
  --paper: #fff8e9;
  --font-display: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-ui: "Manrope", Inter, ui-sans-serif, system-ui, sans-serif;
  --font-brand: "Cinzel", "Cormorant Garamond", Georgia, serif;
  --max: 1510px;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.55);
  --shadow-soft: 0 18px 58px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 0%, rgba(57, 210, 210, 0.08), transparent 34%),
    linear-gradient(180deg, rgba(4, 12, 14, 0.96), var(--bg-deep) 46%, #020707);
  font-family: var(--font-ui);
  font-synthesis: none;
  font-variant-numeric: lining-nums;
  line-height: 1.5;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(216, 166, 74, 0.032) 1px, transparent 1px) 0 0 / 78px 78px,
    linear-gradient(rgba(57, 210, 210, 0.026) 1px, transparent 1px) 0 0 / 78px 78px;
  content: "";
  opacity: 0.34;
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(2, 6, 7, 0.98), transparent 18%, transparent 82%, rgba(2, 6, 7, 0.98)),
    radial-gradient(circle at 50% 50%, transparent, rgba(0, 0, 0, 0.62) 75%);
  pointer-events: none;
  content: "";
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid rgba(57, 210, 210, 0.9);
  outline-offset: 4px;
}

img,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0;
}

.site-shell {
  min-height: 100vh;
  overflow: hidden;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: minmax(250px, auto) minmax(0, 1fr) auto;
  align-items: center;
  gap: 26px;
  width: min(100% - 38px, var(--max));
  min-height: 72px;
  margin: 16px auto 0;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  padding: 10px 14px;
  background: rgba(2, 7, 8, 0.78);
  box-shadow: 0 18px 70px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(18px);
  transition:
    margin 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.site-header.is-scrolled {
  margin-top: 8px;
  border-color: rgba(216, 166, 74, 0.34);
  background: rgba(2, 7, 8, 0.9);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.52);
}

.brand,
.footer-brand {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand img,
.footer-brand img {
  width: 46px;
  height: 46px;
}

.brand strong,
.footer-brand strong {
  display: block;
  color: var(--gold-bright);
  font-family: var(--font-brand);
  font-size: 25px;
  font-weight: 700;
  letter-spacing: 1.6px;
  line-height: 1;
}

.brand em,
.footer-brand em {
  display: block;
  color: var(--gold);
  font-family: var(--font-brand);
  font-size: 9px;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 2vw, 32px);
  min-width: 0;
  color: rgba(255, 243, 220, 0.9);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
}

.main-nav a {
  position: relative;
  padding: 8px 0;
  transition: color 160ms ease;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-bright), transparent);
  content: "";
  opacity: 0;
  transform: scaleX(0.55);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--gold-bright);
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.button,
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 7px;
  padding: 0 24px;
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2;
  white-space: nowrap;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.header-cta,
.button-secondary {
  border: 1px solid rgba(216, 166, 74, 0.76);
  color: var(--gold-bright);
  background: rgba(5, 14, 16, 0.56);
}

.button-primary {
  border: 1px solid rgba(255, 222, 150, 0.96);
  color: #1e1305;
  background:
    linear-gradient(180deg, #fff0bc, #e0aa4f 68%, #a96f27);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    0 18px 44px rgba(216, 166, 74, 0.22);
}

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

.button-secondary:hover,
.button-secondary:focus-visible,
.header-cta:hover,
.header-cta:focus-visible {
  border-color: rgba(255, 222, 150, 0.98);
  background: rgba(216, 166, 74, 0.11);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 104px 19px 28px;
}

.hero::before {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 47% 34%, rgba(57, 210, 210, 0.14), transparent 26%),
    radial-gradient(circle at 72% 28%, rgba(216, 166, 74, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(2, 6, 7, 0.4), rgba(2, 6, 7, 0.9));
  content: "";
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(500px, 0.92fr) minmax(455px, 1fr) minmax(310px, 0.6fr);
  align-items: center;
  gap: clamp(16px, 1.7vw, 28px);
  width: min(100%, var(--max));
  min-height: clamp(620px, 66vh, 720px);
  margin: 0 auto;
}

.hero-copy {
  position: relative;
  z-index: 2;
  isolation: isolate;
  min-width: 0;
}

.hero-copy::before {
  position: absolute;
  inset: -34px -72px -34px -24px;
  z-index: -1;
  background: linear-gradient(90deg, rgba(2, 6, 7, 0.96), rgba(2, 6, 7, 0.74) 68%, transparent);
  content: "";
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--gold-bright);
  font-family: var(--font-brand);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.9px;
  text-transform: uppercase;
}

h1 {
  max-width: 720px;
  margin-bottom: 20px;
  color: #fff8e9;
  font-size: clamp(42px, 3.7vw, 58px);
  line-height: 1.04;
  text-shadow: 0 18px 48px rgba(0, 0, 0, 0.7);
}

h1 span {
  color: var(--gold-bright);
}

.hero-lede {
  max-width: 520px;
  margin-bottom: 24px;
  color: rgba(255, 243, 220, 0.83);
  font-size: 17px;
}

.hero-actions {
  display: grid;
  gap: 14px;
  max-width: 350px;
  margin-bottom: 22px;
}

.hero-footnote {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 10px;
  max-width: 340px;
  margin-bottom: 0;
  color: rgba(255, 243, 220, 0.76);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
}

.hero-footnote::before {
  width: 16px;
  height: 18px;
  border: 1px solid var(--gold-bright);
  border-radius: 50% 50% 45% 45%;
  background: radial-gradient(circle at 50% 46%, var(--gold-bright) 2px, transparent 3px);
  content: "";
}

.hero-twin {
  position: relative;
  min-width: 0;
  min-height: 560px;
}

.hero-visual-frame {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(150%, 820px);
  transform: translate(-50%, -50%);
}

.hero-visual-frame img {
  width: 100%;
  height: auto;
  filter:
    drop-shadow(0 40px 90px rgba(0, 0, 0, 0.78))
    drop-shadow(0 0 42px rgba(57, 210, 210, 0.16));
}

.hero-visual-glow {
  position: absolute;
  inset: 16% 14% 16% 14%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(57, 210, 210, 0.18), transparent 65%);
  filter: blur(20px);
}

.twin-core-label {
  position: absolute;
  right: 33%;
  bottom: 28%;
  width: 170px;
  text-align: center;
  transform: translate(50%, 0);
}

.twin-core-label span {
  display: block;
  color: rgba(255, 243, 220, 0.78);
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.twin-core-label strong {
  display: block;
  color: #fff8e9;
  font-family: var(--font-display);
  font-size: 31px;
  font-weight: 600;
  line-height: 1.02;
  text-shadow: 0 0 22px rgba(0, 0, 0, 0.86);
}

.orbit {
  position: absolute;
  inset: 11%;
  border: 1px dashed rgba(216, 166, 74, 0.44);
  border-radius: 50%;
  pointer-events: none;
}

.orbit-two {
  inset: 25%;
  border-color: rgba(57, 210, 210, 0.28);
}

.agent-node {
  position: absolute;
  z-index: 4;
  display: grid;
  gap: 7px;
  place-items: center;
  width: 92px;
  min-height: 74px;
  border: 1px solid rgba(216, 166, 74, 0.78);
  border-radius: 9px;
  padding: 8px;
  color: var(--gold-bright);
  background:
    linear-gradient(180deg, rgba(8, 18, 20, 0.97), rgba(3, 8, 9, 0.94));
  box-shadow:
    0 16px 42px rgba(0, 0, 0, 0.52),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.1;
  text-align: center;
}

.agent-node svg {
  width: 29px;
  height: 29px;
  color: var(--gold-bright);
  filter: drop-shadow(0 0 11px rgba(244, 199, 108, 0.22));
}

.agent-node path,
.agent-node circle {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.agent-node span {
  display: block;
}

.node-reservoir { top: 26%; left: 2%; }
.node-wells { top: 2%; left: 48%; transform: translateX(-50%); }
.node-network { top: 16%; right: 4%; }
.node-geoscience { bottom: 16%; left: 5%; }
.node-economics { bottom: 4%; left: 48%; transform: translateX(-50%); }
.node-processing { right: 6%; bottom: 14%; }

.decision-layer {
  align-self: center;
  min-width: 0;
  border: 1px solid rgba(216, 166, 74, 0.76);
  border-radius: 12px;
  padding: 22px;
  background:
    linear-gradient(180deg, rgba(11, 21, 22, 0.96), rgba(3, 8, 9, 0.96));
  box-shadow: var(--shadow);
  font-variant-numeric: lining-nums tabular-nums;
}

.decision-layer h2 {
  margin-bottom: 14px;
  color: var(--gold-bright);
  font-size: 30px;
  line-height: 1.05;
  text-transform: uppercase;
}

.decision-layer ol,
.opportunity-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.decision-layer li {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 14px;
  border-top: 1px solid var(--line-soft);
  padding: 15px 0;
}

.decision-layer li span,
.opportunity-list li span {
  color: var(--gold-bright);
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 600;
  font-variant-numeric: lining-nums tabular-nums;
  line-height: 0.95;
}

.decision-layer strong,
.opportunity-list strong {
  display: block;
  margin-bottom: 7px;
  color: #fff4df;
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.34;
}

.decision-layer em,
.opportunity-list em {
  display: inline-block;
  margin-right: 8px;
  color: var(--gold-bright);
  font-size: 15px;
  font-style: normal;
  font-weight: 700;
  font-variant-numeric: lining-nums tabular-nums;
}

mark {
  display: inline-flex;
  border: 1px solid rgba(216, 166, 74, 0.5);
  border-radius: 4px;
  padding: 2px 5px;
  color: var(--gold-bright);
  background: rgba(216, 166, 74, 0.08);
  font-family: var(--font-ui);
  font-size: 9px;
  font-weight: 700;
  font-variant-numeric: lining-nums tabular-nums;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.decision-layer p {
  margin: 5px 0 0;
  color: var(--gold-bright);
  font-family: var(--font-brand);
  font-size: 13px;
  font-weight: 600;
}

.trust-strip,
.section,
.final-cta,
.site-footer {
  width: min(100% - 38px, var(--max));
  margin: 0 auto;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: 12px;
  background:
    linear-gradient(90deg, rgba(57, 210, 210, 0.08), transparent 36%, rgba(216, 166, 74, 0.08)),
    var(--surface);
  box-shadow: var(--shadow-soft);
}

.trust-strip article {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 118px;
  padding: 22px 26px;
}

.trust-strip article + article {
  border-left: 1px solid var(--line-soft);
}

.trust-strip img,
.value-card img,
.architecture-grid img,
.enterprise-row img {
  width: 50px;
  height: 50px;
}

.trust-strip h2,
.value-card h3,
.architecture-grid h3,
.enterprise-row h3 {
  margin-bottom: 8px;
  color: var(--gold-bright);
  font-size: 22px;
  line-height: 1.08;
}

.trust-strip p,
.value-card p,
.architecture-grid p,
.enterprise-row p,
.review-panel p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding-top: 42px;
}

.section-heading {
  max-width: 980px;
  margin: 0 auto 24px;
  text-align: center;
}

.divider-heading {
  position: relative;
  display: grid;
  grid-template-columns: minmax(70px, 1fr) auto minmax(70px, 1fr);
  align-items: center;
  gap: 18px;
  max-width: 1180px;
}

.divider-heading::before,
.divider-heading::after {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(216, 166, 74, 0.74));
  content: "";
}

.divider-heading::after {
  background: linear-gradient(90deg, rgba(216, 166, 74, 0.74), transparent);
}

.section-heading h2 {
  margin-bottom: 0;
  color: var(--gold-bright);
  font-size: clamp(30px, 3.2vw, 48px);
  line-height: 1.08;
}

.value-grid,
.architecture-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.value-card,
.architecture-grid article,
.review-panel,
.enterprise-row article {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background:
    linear-gradient(140deg, rgba(57, 210, 210, 0.08), transparent 44%),
    linear-gradient(180deg, var(--surface-raised), rgba(4, 11, 12, 0.94));
  box-shadow: var(--shadow-soft);
}

.value-card::before,
.architecture-grid article::before,
.enterprise-row article::before {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(135deg, rgba(255, 231, 174, 0.18), transparent 28%),
    radial-gradient(circle at 80% 0%, rgba(57, 210, 210, 0.12), transparent 34%);
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.value-card,
.architecture-grid article {
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.value-card:hover,
.architecture-grid article:hover,
.value-card:focus-within,
.architecture-grid article:focus-within {
  border-color: rgba(244, 199, 108, 0.78);
  box-shadow:
    0 22px 74px rgba(0, 0, 0, 0.44),
    0 0 0 1px rgba(57, 210, 210, 0.08);
  transform: translateY(-4px);
}

.value-card:hover::before,
.architecture-grid article:hover::before,
.enterprise-row article:hover::before {
  opacity: 1;
}

.value-card {
  min-height: 208px;
  padding: 28px;
  text-align: center;
}

.value-card img {
  margin: 0 auto 16px;
}

.review-board {
  display: grid;
  grid-template-columns: minmax(420px, 1.42fr) minmax(260px, 0.82fr) minmax(270px, 0.82fr) minmax(230px, 0.68fr);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(4, 11, 12, 0.92);
  box-shadow: var(--shadow);
}

.review-panel {
  min-width: 0;
  min-height: 430px;
  border-width: 0 1px 0 0;
  border-radius: 0;
  padding: 18px;
  background: rgba(4, 11, 12, 0.78);
}

.review-panel:last-of-type {
  border-right: 0;
}

.panel-title {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
  color: var(--gold-bright);
  font-family: var(--font-brand);
  text-transform: uppercase;
}

.panel-title span {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.panel-title em {
  color: var(--faint);
  font-family: var(--font-ui);
  font-size: 11px;
  font-style: normal;
  font-weight: 500;
  text-transform: none;
}

.constraint-map {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  min-height: 0;
  border: 1px solid rgba(57, 210, 210, 0.32);
  border-radius: 8px;
  overflow: hidden;
  background: #020708;
  box-shadow:
    inset 0 0 0 1px rgba(216, 166, 74, 0.09),
    inset 0 0 48px rgba(57, 210, 210, 0.13);
}

.constraint-map .map-background {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 1;
  filter: brightness(1.08) contrast(1.08) saturate(1.06);
  transform: none;
}

.constraint-map::before,
.constraint-map::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
}

.constraint-map::before {
  display: none;
}

.constraint-map::after {
  display: none;
}

.constraint-map svg {
  position: absolute;
  inset: 0;
  z-index: 3;
  width: 100%;
  height: 100%;
}

.flow {
  fill: none;
  stroke: rgba(57, 210, 210, 0.72);
  stroke-width: 3;
  filter: drop-shadow(0 0 7px rgba(57, 210, 210, 0.65));
}

.flow-b {
  stroke: rgba(216, 166, 74, 0.6);
}

.flow-c {
  stroke: rgba(57, 210, 210, 0.44);
}

.flow-d {
  stroke: rgba(216, 166, 74, 0.42);
  stroke-width: 1.8;
  stroke-dasharray: 8 8;
}

.constraint-corridor {
  fill: none;
  stroke: rgba(255, 201, 103, 0.82);
  stroke-width: 3.6;
  stroke-dasharray: 12 8;
  filter: drop-shadow(0 0 10px rgba(255, 190, 73, 0.52));
}

.map-node circle,
.map-node rect,
.map-risk {
  fill: rgba(4, 11, 12, 0.92);
  stroke-width: 3;
}

.map-node path {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.map-well {
  color: var(--gold-bright);
}

.map-well circle {
  stroke: var(--gold-bright);
}

.map-hub {
  color: var(--teal);
}

.map-hub rect {
  stroke: var(--teal);
  filter: drop-shadow(0 0 9px rgba(57, 210, 210, 0.8));
}

.map-risk {
  stroke: var(--amber);
  stroke-dasharray: 4 4;
  fill: rgba(255, 179, 69, 0.1);
  filter: url(#mapGlow);
}

.map-risk-hot {
  stroke: var(--gold-bright);
  stroke-width: 4;
}

.map-tags {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}

.map-tags span {
  position: absolute;
  left: var(--x);
  top: var(--y);
  transform: translate(-50%, -50%);
  border: 1px solid rgba(216, 166, 74, 0.54);
  border-radius: 999px;
  padding: 3px 7px;
  background: rgba(2, 7, 8, 0.76);
  color: var(--gold-bright);
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 700;
  font-variant-numeric: lining-nums tabular-nums;
  letter-spacing: 0.08em;
}

.map-readout {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 4;
  display: grid;
  gap: 2px;
  border: 1px solid rgba(57, 210, 210, 0.3);
  border-radius: 8px;
  padding: 8px 10px;
  background: rgba(2, 7, 8, 0.78);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.35);
}

.map-readout strong {
  color: var(--paper);
  font-size: 12px;
}

.map-readout span {
  color: var(--muted);
  font-size: 10px;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 13px;
  color: var(--muted);
  font-size: 12px;
}

.legend i {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--teal);
}

.well-key { background: var(--gold-bright) !important; }
.facility-key { background: var(--teal) !important; }
.network-key { background: rgba(57, 210, 210, 0.6) !important; }
.constraint-key { background: var(--amber) !important; }

.opportunity-list {
  display: grid;
  font-variant-numeric: lining-nums tabular-nums;
}

.opportunity-list li {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  border-top: 1px solid var(--line-soft);
  padding: 16px 0;
}

.opportunity-list li span {
  font-size: 25px;
}

.opportunity-list mark {
  position: absolute;
  right: 0;
  bottom: 15px;
  justify-self: start;
}

.value-dashboard {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 132px;
  gap: 18px;
  align-items: center;
  border-top: 1px solid var(--line-soft);
  padding-top: 22px;
}

.metric-stack {
  display: grid;
  gap: 4px;
}

.metric-stack strong {
  color: var(--gold-bright);
  font-family: var(--font-display);
  font-size: 33px;
  font-weight: 600;
  font-variant-numeric: lining-nums tabular-nums;
  line-height: 1;
}

.metric-stack span {
  margin-bottom: 13px;
  color: var(--muted);
  font-size: 12px;
}

.donut,
.readiness-ring {
  width: 132px;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, #061013 0 41%, transparent 42%),
    conic-gradient(var(--gold-bright) 0 28%, var(--teal) 28% 56%, var(--green) 56% 79%, rgba(255, 243, 220, 0.3) 79% 100%);
  box-shadow: 0 0 34px rgba(57, 210, 210, 0.14);
}

.portfolio-legend {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: lining-nums tabular-nums;
}

.portfolio-legend div {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(216, 166, 74, 0.12);
  padding-top: 7px;
}

.portfolio-legend dt,
.portfolio-legend dd {
  margin: 0;
}

.readiness-panel {
  display: grid;
  justify-items: center;
}

.readiness-ring {
  display: grid;
  place-items: center;
  align-content: center;
  margin: 14px auto 20px;
  background:
    radial-gradient(circle at 50% 50%, #061013 0 47%, transparent 48%),
    conic-gradient(var(--gold-bright) 0 86%, rgba(255, 243, 220, 0.22) 86% 100%);
}

.readiness-ring strong {
  color: var(--gold-bright);
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
  font-variant-numeric: lining-nums tabular-nums;
  line-height: 1;
}

.readiness-ring span {
  color: var(--muted);
  font-size: 12px;
}

.readiness-panel ul {
  display: grid;
  gap: 11px;
  width: 100%;
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-size: 13px;
  list-style: none;
}

.readiness-panel li {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line-soft);
  padding-top: 10px;
}

.readiness-panel li::after {
  color: var(--green);
  content: "✓";
}

.review-caption {
  grid-column: 1 / -1;
  margin: 0;
  border-top: 1px solid var(--line);
  padding: 16px;
  color: var(--gold-bright);
  background: rgba(3, 8, 9, 0.72);
  font-family: var(--font-brand);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-align: center;
}

.architecture-grid article {
  min-height: 174px;
  padding: 26px;
}

.architecture-grid img {
  margin-bottom: 14px;
}

.enterprise-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.enterprise-row article {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 16px;
  min-height: 134px;
  border-width: 0 1px 0 0;
  border-radius: 0;
  padding: 22px 28px;
  background: transparent;
  box-shadow: none;
}

.enterprise-row article:last-child {
  border-right: 0;
}

.enterprise-row img {
  grid-row: 1 / span 2;
}

.enterprise-row h3,
.enterprise-row p {
  grid-column: 2;
}

.final-cta {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(420px, 0.82fr);
  min-height: 360px;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-top: 40px;
  overflow: hidden;
  background: rgba(4, 11, 12, 0.94);
  box-shadow: var(--shadow);
}

.final-cta > img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
  object-position: left center;
}

.final-cta::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0 44%, rgba(2, 6, 7, 0.14) 54%, rgba(2, 6, 7, 0.82) 100%);
  content: "";
  pointer-events: none;
}

.final-copy {
  position: relative;
  z-index: 2;
  display: grid;
  align-content: center;
  gap: 18px;
  padding: clamp(34px, 4.8vw, 70px);
}

.final-copy h2 {
  max-width: 620px;
  margin: 0;
  color: #fff4df;
  font-size: clamp(38px, 3.55vw, 58px);
  line-height: 1.06;
}

.final-copy p:not(.eyebrow) {
  max-width: 520px;
  margin: -4px 0 0;
  color: rgba(255, 243, 220, 0.8);
  font-size: 16px;
}

.final-copy .button {
  justify-self: start;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(280px, 1fr) minmax(360px, auto);
  gap: 34px;
  align-items: start;
  padding: 36px 0 26px;
  color: var(--muted);
}

.site-footer p {
  max-width: 430px;
  margin: 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px 26px;
}

.site-footer a {
  color: rgba(255, 243, 220, 0.78);
}

.site-footer small {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line-soft);
  padding-top: 18px;
  color: var(--faint);
}

[data-animate] {
  opacity: 1;
  transform: none;
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 1280px) {
  .site-header {
    grid-template-columns: minmax(220px, auto) minmax(0, 1fr);
  }

  .main-nav {
    justify-content: flex-end;
  }

  .header-cta {
    display: none;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(310px, 0.56fr);
    align-items: start;
    min-height: 0;
    padding-bottom: 20px;
  }

  .hero-twin {
    grid-column: 1 / -1;
    grid-row: 2;
    min-height: 500px;
  }

  .decision-layer {
    grid-column: 2;
  }

  .trust-strip,
  .value-grid,
  .architecture-grid,
  .enterprise-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trust-strip article:nth-child(odd),
  .enterprise-row article:nth-child(odd) {
    border-left: 0;
  }

  .trust-strip article:nth-child(n + 3),
  .enterprise-row article:nth-child(n + 3) {
    border-top: 1px solid var(--line-soft);
  }

  .review-board {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .review-panel {
    border-width: 0 1px 1px 0;
    min-height: auto;
  }

  .review-panel:nth-of-type(even) {
    border-right: 0;
  }
}

@media (max-width: 900px) {
  .site-header {
    position: absolute;
    grid-template-columns: minmax(0, 1fr);
    width: calc(100% - 24px);
    min-height: 0;
    margin-top: 12px;
  }

  .main-nav {
    display: none;
  }

  .hero {
    padding: 90px 12px 24px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .hero-copy::before {
    inset: -20px -16px -24px;
    background: linear-gradient(180deg, rgba(2, 6, 7, 0.94), rgba(2, 6, 7, 0.58), transparent);
  }

  h1 {
    font-size: clamp(42px, 10vw, 62px);
  }

  .hero-actions {
    max-width: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-twin {
    min-height: 390px;
  }

  .hero-visual-frame {
    width: min(110%, 680px);
  }

  .decision-layer {
    grid-column: auto;
  }

  .trust-strip,
  .section,
  .final-cta,
  .site-footer {
    width: calc(100% - 24px);
  }

  .trust-strip,
  .value-grid,
  .architecture-grid,
  .enterprise-row,
  .review-board,
  .final-cta,
  .site-footer {
    grid-template-columns: minmax(0, 1fr);
  }

  .trust-strip article + article,
  .enterprise-row article + article {
    border-top: 1px solid var(--line-soft);
    border-left: 0;
  }

  .review-panel,
  .review-panel:nth-of-type(even) {
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .final-cta > img {
    min-height: 250px;
  }

  .final-cta::after {
    background: linear-gradient(180deg, transparent 0 36%, rgba(2, 6, 7, 0.9) 72%, rgba(2, 6, 7, 0.98) 100%);
  }

  .site-footer nav {
    justify-content: flex-start;
  }
}

@media (min-width: 721px) and (max-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(310px, 0.76fr);
    align-items: start;
  }

  .hero-copy {
    grid-column: 1;
    grid-row: 1;
  }

  h1 {
    font-size: clamp(42px, 5.8vw, 52px);
  }

  .decision-layer {
    grid-column: 2;
    grid-row: 1;
    padding: 16px;
  }

  .decision-layer h2 {
    font-size: 23px;
  }

  .decision-layer li {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 10px;
    padding: 9px 0;
  }

  .decision-layer li span {
    font-size: 29px;
  }

  .decision-layer strong {
    font-size: 11.5px;
  }

  .decision-layer em {
    font-size: 12px;
  }

  .hero-twin {
    grid-column: 1 / -1;
    grid-row: 2;
    min-height: 360px;
  }

  .trust-strip,
  .value-grid,
  .architecture-grid,
  .enterprise-row,
  .review-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .review-caption {
    grid-column: 1 / -1;
  }

  .final-cta {
    grid-template-columns: minmax(0, 0.95fr) minmax(330px, 1fr);
  }
}

@media (max-width: 560px) {
  .brand,
  .footer-brand {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .brand img,
  .footer-brand img {
    width: 38px;
    height: 38px;
  }

  .brand strong,
  .footer-brand strong {
    font-size: 20px;
  }

  .brand em,
  .footer-brand em {
    font-size: 7px;
  }

  .hero {
    padding-top: 74px;
  }

  h1 {
    font-size: clamp(34px, 10.2vw, 43px);
  }

  .hero-lede {
    font-size: 15px;
  }

  .hero-actions {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .button,
  .header-cta {
    min-height: 42px;
    padding: 0 18px;
    font-size: 13px;
  }

  .hero-twin {
    min-height: 252px;
  }

  .hero-visual-frame {
    width: min(144%, 520px);
  }

  .agent-node {
    width: 62px;
    min-height: 50px;
    padding: 6px;
    font-size: 9px;
  }

  .agent-node svg {
    width: 22px;
    height: 22px;
  }

  .twin-core-label {
    right: 50%;
    bottom: 27%;
    width: 124px;
  }

  .twin-core-label strong {
    font-size: 21px;
  }

  .node-reservoir { top: 23%; left: 2%; }
  .node-wells { top: 1%; left: 50%; }
  .node-network { top: 22%; right: 2%; }
  .node-geoscience { bottom: 16%; left: 0; }
  .node-economics { bottom: 1%; left: 50%; }
  .node-processing { right: 0; bottom: 15%; }

  .decision-layer {
    padding: 14px;
  }

  .decision-layer h2 {
    margin-bottom: 8px;
    font-size: 21px;
  }

  .decision-layer ol {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 10px;
  }

  .decision-layer li {
    display: block;
    padding: 9px 0;
  }

  .decision-layer li span {
    display: block;
    margin-bottom: 5px;
    font-size: 26px;
  }

  .decision-layer strong {
    display: -webkit-box;
    margin-bottom: 4px;
    font-size: 11px;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }

  .decision-layer em {
    display: block;
    margin-right: 0;
    font-size: 12px;
  }

  .decision-layer mark {
    display: none;
  }

  .decision-layer p {
    font-size: 12px;
  }

  .trust-strip article,
  .enterprise-row article {
    grid-template-columns: minmax(0, 1fr);
    min-height: auto;
    padding: 18px;
  }

  .trust-strip img,
  .enterprise-row img,
  .enterprise-row h3,
  .enterprise-row p {
    grid-column: auto;
    grid-row: auto;
  }

  .divider-heading {
    grid-template-columns: minmax(0, 1fr);
  }

  .divider-heading::before,
  .divider-heading::after {
    display: none;
  }

  .value-card,
  .architecture-grid article,
  .review-panel {
    padding: 18px;
  }

  .value-dashboard {
    grid-template-columns: minmax(0, 1fr);
  }

  .donut {
    width: 160px;
  }

  .final-cta {
    min-height: 0;
  }

  .final-cta > img {
    min-height: 190px;
  }

  .final-copy {
    padding: 24px;
  }

  .final-copy h2 {
    font-size: clamp(31px, 9.4vw, 40px);
  }

  .constraint-map {
    min-height: 0;
  }

  .opportunity-list mark {
    position: static;
    justify-self: start;
    margin-top: 7px;
  }
}