:root {
  color-scheme: dark;
  --bg: #08101a;
  --bg-2: #0e1824;
  --panel: #121f2d;
  --panel-2: #172637;
  --surface: #0d1722;
  --text: #f5f8fb;
  --heading: #ffffff;
  --muted: #fff;
  --muted-2: #7d8b9b;
  --line: rgba(218, 226, 235, 0.13);
  --line-strong: rgba(218, 226, 235, 0.24);
  --blue: #244d78;
  --blue-deep: #123455;
  --blue-soft: #fff;
  --red: #9d3340;
  --red-deep: #76242f;
  --copper: #b97848;
  --sand: #e9dfd1;
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --shadow-soft: 0 16px 48px rgba(0, 0, 0, 0.18);
  --radius: 22px;
  --radius-sm: 14px;
  --container: 1160px;
  --header-overlay : linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.15))
}

html[data-theme='light'] {
  color-scheme: light;
  --bg: #f5f7fa;
  --bg-2: #edf2f7;
  --panel: #ffffff;
  --panel-2: #f1f5f9;
  --surface: #ffffff;
  --text: #192332;
  --heading: #fff;
  --muted: #5d6b7b;
  --muted-2: #768393;
  --line: rgba(23, 43, 67, 0.14);
  --line-strong: #fff;
  --blue: #214a75;
  --white: #fff;
  --blue-deep: #0f304f;
  --blue-soft: #557aa2;
  --red: #93313b;
  --red-deep: #77252f;
  --copper: #a7663a;
  --sand: #5b4937;
  --shadow: 0 24px 80px rgba(28, 47, 70, 0.12);
  --shadow-soft: 0 16px 46px rgba(28, 47, 70, 0.1);
  --header-overlay : linear-gradient(rgba(0, 0, 0, 0.25), rgba(0, 0, 0, 0.25))
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: 'Nunito', system-ui, -apple-system, BlinkMacSystemFont,
    'Segoe UI', sans-serif;
  background: radial-gradient(
      circle at 12% 4%,
      rgba(36, 77, 120, 0.3),
      transparent 32rem
    ),
    radial-gradient(
      circle at 92% 8%,
      rgba(157, 51, 64, 0.18),
      transparent 34rem
    ),
    var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.12;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.045) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent 70%);
}
html[data-theme='light'] body::before {
  opacity: 0.18;
  background-image: linear-gradient(rgba(20, 40, 65, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 40, 65, 0.035) 1px, transparent 1px);
}
body.nav-open {
  overflow: hidden;
}
a {
  color: inherit;
}
.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
section {
  padding: clamp(76px, 9vw, 126px) 0;
  position: relative;
}
.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent),
    var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
html[data-theme='light'] .section-alt {
  background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.72),
      rgba(255, 255, 255, 0.28)
    ),
    var(--bg-2);
}

.hero-bg {
  background-image: var(--header-overlay), url('../images/landing/mainheader.jpg');
}

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 42px);
  background: rgba(8, 16, 26, 0.7);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
  transition: padding 0.2s ease, background 0.2s ease;
}
html[data-theme='light'] .site-nav {
  background: rgba(255, 255, 255, 0.8);
}
.site-nav.scrolled {
  padding-top: 12px;
  padding-bottom: 12px;
  background: rgba(8, 16, 26, 0.92);
}
html[data-theme='light'] .site-nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--heading);
  white-space: nowrap;
}
.logo-mark {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: linear-gradient(
    90deg,
    var(--red) 0 32%,
    #f9fafb 32% 65%,
    var(--blue) 65% 100%
  );
  box-shadow: inset 0 0 0 4px rgba(8, 16, 26, 0.45);
}
html[data-theme='light'] .logo-mark {
  box-shadow: inset 0 0 0 4px rgba(255, 255, 255, 0.72);
}
.logo span:last-child {
  color: var(--copper);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav-links a, .login-link {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  transition: color 0.18s ease;
}
.nav-links a:hover, .login-link:hover {
  color: var(--heading);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.icon-btn,
.nav-cta,
.menu-btn,
.concept-link {
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease,
    transform 0.18s ease;
}
.icon-btn {
  padding: 0 13px;
  color: var(--muted);
}
.icon-btn:hover {
  color: var(--heading);
  border-color: var(--blue-soft);
  background: rgba(36, 77, 120, 0.12);
}
.nav-cta {
  padding: 0 18px;
  background: rgba(157, 51, 64, 0.12);
  border-color: rgba(157, 51, 64, 0.45);
  color: var(--heading);
}
.nav-cta:hover {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
  transform: translateY(-1px);
}
.menu-btn {
  display: none;
  width: 42px;
  padding: 0;
  flex-direction: column;
  gap: 5px;
}
.menu-btn span {
  display: block;
  width: 16px;
  height: 1px;
  background: var(--heading);
  transition: transform 0.18s ease, opacity 0.18s ease;
}
body.nav-open .menu-btn span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
body.nav-open .menu-btn span:nth-child(2) {
  opacity: 0;
}
body.nav-open .menu-btn span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}
.concept-nav {
  display: flex;
  gap: 8px;
  align-items: center;
}
.concept-link {
  padding: 0 12px;
  color: var(--muted);
  font-size: 0.62rem;
  min-height: 32px;
}
.concept-link.active {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 116px;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, transparent 70%, var(--bg));
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.86fr);
  gap: clamp(38px, 6vw, 72px);
  align-items: center;
}
.eyebrow,
.section-label,
.mini-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.72rem;
  line-height: 1.2;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 900;
}
.eyebrow::before,
.section-label::before {
  content: '';
  width: 36px;
  height: 1px;
  background: currentColor;
}
.hero h1,
.section-title,
.chooser-title {
  margin: 22px 0 0;
  color: var(--heading);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.98;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  font-family: 'Lato';
}
.hero h1 em,
.section-title em {
  font-style: normal;
  color: var(--blue-soft);
}
html[data-theme='light'] .hero h1 em,
html[data-theme='light'] .section-title em {
  color: var(--white);
}
.hero-copy,
.lead-copy,
.body-copy,
.muted-copy {
  color: var(--white);
  line-height: 1.82;
}
.hero-copy {
  max-width: 570px;
  font-size: 1.03rem;
  margin: 26px 0 0;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.btn-primary,
.btn-secondary,
.btn-red {
  min-height: 48px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease,
    border-color 0.18s ease;
}
.btn-primary {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}
.btn-primary:hover {
  background: var(--blue-deep);
  color: #fff;
  transform: translateY(-1px);
}
.btn-red {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
}
.btn-red:hover {
  background: var(--red-deep);
  color: #fff;
  transform: translateY(-1px);
}
.btn-secondary {
  color: var(--heading);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.02);
}
.btn-secondary:hover {
  border-color: var(--copper);
  background: rgba(185, 120, 72, 0.1);
  color: var(--heading);
  transform: translateY(-1px);
}
.hero-media {
  position: relative;
  min-height: 540px;
}
.image-card {
  position: relative;
  height: min(570px, 64vh);
  border-radius: var(--radius);
  background: linear-gradient(
      180deg,
      rgba(8, 16, 26, 0.08),
      rgba(8, 16, 26, 0.72)
    ),
    url('./intro.jpg') center/cover no-repeat;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
  overflow: hidden;
}
html[data-theme='light'] .image-card {
  background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.04),
      rgba(9, 20, 32, 0.34)
    ),
    url('./intro.jpg') center/cover no-repeat;
}
.float-badge,
.memo-card,
.footprint-panel,
.prospectus-card {
  background: rgba(18, 31, 45, 0.88);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
}
html[data-theme='light'] .float-badge,
html[data-theme='light'] .memo-card,
html[data-theme='light'] .footprint-panel,
html[data-theme='light'] .prospectus-card {
  background: rgba(255, 255, 255, 0.9);
}

html[data-theme='light'] .stat-value,
html[data-theme='light'] .lightupdate {
  color: black;
}
html[data-theme='dark'] .stat-value {
  color: white;
}
.float-badge {
  position: absolute;
  left: 22px;
  bottom: 22px;
  padding: 14px 18px;
  color: var(--heading);
  font-weight: 900;
  font-size: 0.82rem;
  border-left: 3px solid var(--red);
}
.hero-stats,
.raise-wrap,
.stat-grid,
.terms-grid,
.metric-strip,
.kpi-row {
  display: grid;
  border: 1px solid var(--line);
  background: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.hero-stats {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 42px;
}
.stat-box,
.mini-stat,
.term-card,
.kpi-box,
.snapshot-cell {
  background: var(--panel);
  padding: 24px;
}
.stat-value,
.metric-value,
.kpi-value,
.term-value {
  color: var(--heading);
  font-weight: 900;
  letter-spacing: -0.03em;
  font-size: clamp(1.8rem, 3vw, 2.45rem);
}
.stat-label,
.metric-label,
.term-label,
.kpi-label {
  color: var(--muted);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 900;
  margin-top: 7px;
}
.raise-wrap {
  margin-top: 34px;
  padding: 24px;
  background: var(--panel);
  display: block;
}
.raise-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 900;
  margin-bottom: 14px;
}
.raise-head strong {
  color: var(--heading);
  font-size: 1.05rem;
}
.progress-track {
  height: 8px;
  border-radius: 99px;
  background: rgba(128, 150, 174, 0.2);
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  width: 23.65%;
  background: linear-gradient(90deg, var(--red), var(--blue));
  border-radius: inherit;
}
.raise-foot {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.84rem;
  margin-top: 12px;
}
.section-heading {
  max-width: 780px;
  margin-bottom: 42px;
}
.section-title {
  font-size: clamp(2.35rem, 5vw, 4.6rem);
  font-family: 'Lato';
}
.section-deck {
  color: var(--muted);
  line-height: 1.82;
  margin-top: 18px;
  max-width: 660px;
}
.two-col {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: clamp(32px, 5vw, 62px);
  align-items: start;
}
.card,
.panel,
.evidence-card,
.team-card,
.business-card,
.market-card,
.offering-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.panel {
  padding: clamp(26px, 4vw, 38px);
}
.icon-chip {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: rgba(36, 77, 120, 0.12);
  color: var(--copper);
  margin-bottom: 20px;
}
.card h3,
.card h4,
.panel h3,
.panel h4,
.evidence-card h3,
.evidence-card h4,
.team-card h3,
.team-card h4 {
  margin: 0;
  color: var(--heading);
}
.card p,
.panel p,
.evidence-card p,
.team-card p {
  color: var(--muted);
  line-height: 1.75;
}

/* Concept chooser */
.chooser-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
}
.chooser-title {
  font-size: clamp(3rem, 7vw, 6rem);
}
.chooser-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 42px;
}
.chooser-card {
  text-decoration: none;
  color: inherit;
  padding: 28px;
  min-height: 310px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.18s ease, border-color 0.18s ease;
}
.chooser-card:hover {
  transform: translateY(-4px);
  border-color: var(--copper);
}
.chooser-card h2 {
  color: var(--heading);
  margin: 10px 0 12px;
  font-size: 1.6rem;
}
.chooser-card p {
  color: var(--muted);
  line-height: 1.72;
  margin: 0;
}
.chooser-tag {
  color: var(--copper);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 900;
}

/* Concept 1: Operator Memo */
.concept-operator .hero-media {
  min-height: 500px;
}
.memo-card {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(420px, 92%);
  padding: 26px;
}
.memo-card h3 {
  margin: 0 0 18px;
  color: var(--heading);
  font-size: 1.15rem;
}
.memo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.memo-grid .mini-stat {
  padding: 18px;
}
.operator-snapshot {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}
.snapshot-cell {
  min-height: 142px;
}
.snapshot-cell p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.9rem;
}
.thesis-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.thesis-card {
  padding: 26px;
  min-height: 274px;
  position: relative;
  overflow: hidden;
}
.thesis-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--blue));
  opacity: 0.78;
}
.thesis-card .mini-label {
  margin-bottom: 18px;
  color: var(--muted-2);
}
.thesis-card .mini-label::before {
  display: none;
}
.thesis-card h3 {
  font-size: 1.22rem;
  margin-bottom: 14px;
}
.proof {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--copper);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 900;
}
.operating-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.flow-step {
  background: var(--panel);
  padding: 24px;
  min-height: 180px;
}
.flow-step span {
  display: inline-flex;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: rgba(185, 120, 72, 0.12);
  color: var(--copper);
  font-weight: 900;
  margin-bottom: 16px;
}
.flow-step h4 {
  font-size: 1rem;
  margin: 0 0 10px;
}
.flow-step p {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.65;
  margin: 0;
}

/* Concept 2: Basin Opportunity */
.concept-basin .hero-grid {
  grid-template-columns: 0.92fr 1fr;
}
.footprint-panel {
  padding: 28px;
  position: relative;
}
.field-map {
  height: 390px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(
      135deg,
      rgba(36, 77, 120, 0.18),
      rgba(157, 51, 64, 0.1)
    ),
    var(--panel);
  position: relative;
  overflow: hidden;
}
.field-map::before {
  content: '';
  position: absolute;
  inset: 42px;
  border: 1px solid rgba(155, 182, 211, 0.22);
  border-radius: 48% 52% 46% 54%;
  transform: rotate(-18deg);
}
.field-map::after {
  content: '';
  position: absolute;
  inset: 88px 72px;
  border: 1px dashed rgba(185, 120, 72, 0.46);
  border-radius: 42% 58% 55% 45%;
  transform: rotate(18deg);
}
.map-node {
  position: absolute;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--copper);
  box-shadow: 0 0 0 8px rgba(185, 120, 72, 0.12);
}
.map-node.n1 {
  left: 28%;
  top: 34%;
}
.map-node.n2 {
  left: 56%;
  top: 46%;
}
.map-node.n3 {
  left: 44%;
  top: 63%;
}
.map-node.n4 {
  left: 70%;
  top: 32%;
}
.field-label {
  position: absolute;
  left: 24px;
  bottom: 24px;
  right: 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.stack-wrap {
  display: grid;
  gap: 12px;
}
.stack-item {
  display: grid;
  grid-template-columns: 220px 1fr 170px;
  gap: 22px;
  align-items: center;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  transition: transform 0.18s ease, border-color 0.18s ease;
}
.stack-item:hover {
  transform: translateX(4px);
  border-color: var(--copper);
}
.stack-title {
  color: var(--heading);
  font-size: 1.12rem;
  font-weight: 900;
}
.stack-body {
  color: var(--muted);
  line-height: 1.65;
}
.stack-proof {
  color: var(--copper);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 900;
  text-align: right;
}
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8%;
  right: 8%;
  top: 38px;
  height: 1px;
  background: var(--line-strong);
}
.timeline-item {
  position: relative;
  padding: 70px 20px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
}
.timeline-dot {
  position: absolute;
  top: 24px;
  left: 20px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--copper);
  color: var(--copper);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.76rem;
  font-weight: 900;
}
.timeline-item h4 {
  margin: 0 0 10px;
}
.timeline-item p {
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.88rem;
}
.grouped-team {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.team-group {
  padding: 24px;
}
.team-group h3 {
  margin: 0 0 18px;
  font-size: 1.15rem;
}
.group-person {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.group-person strong {
  display: block;
  color: var(--heading);
}
.group-person span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 4px;
}

/* Concept 3: Energy Infrastructure Prospectus */
.concept-prospectus .hero-grid {
  grid-template-columns: 1fr 0.78fr;
}
.prospectus-card {
  padding: 30px;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.prospectus-card-top {
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
}
.prospectus-card h3 {
  margin: 0;
  font-size: 1.55rem;
  color: var(--heading);
  line-height: 1.15;
}
.prospectus-line {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.prospectus-line span {
  color: var(--muted);
}
.prospectus-line strong {
  color: var(--heading);
}
.highlight-layout {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 18px;
}
.feature-card {
  min-height: 430px;
  padding: 34px;
  background: linear-gradient(
      135deg,
      rgba(36, 77, 120, 0.24),
      rgba(157, 51, 64, 0.1)
    ),
    var(--panel);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.feature-card h3 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
}
.evidence-stack {
  display: grid;
  gap: 18px;
}
.evidence-card {
  padding: 24px;
}
.evidence-card h4 {
  font-size: 1.12rem;
  margin-bottom: 10px;
}
.allocation-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: stretch;
}
.allocation-bar {
  display: flex;
  height: 46px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line);
  margin: 22px 0 26px;
}
.alloc-a {
  background: var(--blue);
  width: 52%;
}
.alloc-b {
  background: var(--red);
  width: 24%;
}
.alloc-c {
  background: var(--copper);
  width: 16%;
}
.alloc-d {
  background: var(--blue-soft);
  width: 8%;
}
.legend {
  display: grid;
  gap: 12px;
}
.legend-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}
.legend-item i {
  display: inline-block;
  width: 11px;
  height: 11px;
  border-radius: 3px;
  margin-right: 8px;
}
.deploy-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}
.deploy-step {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.025);
}
.deploy-step strong {
  color: var(--heading);
  display: block;
  margin-bottom: 8px;
}
.deploy-step span {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}
.editorial-market {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 32px;
  align-items: center;
}
.quote-panel {
  padding: 34px;
  border-left: 3px solid var(--copper);
}
.quote-panel blockquote {
  margin: 0;
  color: var(--heading);
  font-size: clamp(1.35rem, 2.8vw, 2.15rem);
  line-height: 1.25;
  font-weight: 800;
}
.dashboard {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 18px;
}
.dashboard-summary,
.dashboard-terms {
  padding: 30px;
}
.dashboard-terms .terms-table {
  margin: 0;
}
.leadership-feature {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 18px;
}
.ceo-card {
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 460px;
}
.ceo-photo {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  color: var(--copper);
  background: rgba(185, 120, 72, 0.1);
  font-weight: 900;
  font-size: 1.35rem;
  margin-bottom: 24px;
}
.compact-team {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.compact-team .team-card {
  padding: 22px;
  min-height: 210px;
}

.business-grid,
.market-grid,
.terms-split,
.team-grid {
  display: grid;
  gap: 18px;
}
.business-grid {
  grid-template-columns: repeat(3, 1fr);
}
.market-grid {
  grid-template-columns: repeat(2, 1fr);
}
.terms-split {
  grid-template-columns: 0.78fr 1.22fr;
  align-items: start;
}
.terms-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 18px;
  box-shadow: none;
}
.term-card {
  min-height: 132px;
}
.terms-table {
  width: 100%;
  border-collapse: separate;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}
.terms-table td {
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  vertical-align: top;
}
.terms-table tr:last-child td {
  border-bottom: 0;
}
.terms-table td:first-child {
  width: 38%;
  color: var(--heading);
  font-weight: 900;
  font-size: 0.78rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}
.terms-table strong {
  color: var(--copper);
}
.accreditation {
  margin-top: 18px;
  padding: 22px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
  background: rgba(157, 51, 64, 0.08);
}
.accreditation h4 {
  margin: 0 0 10px;
  color: var(--heading);
}
.accreditation p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}
.team-grid {
  grid-template-columns: repeat(3, 1fr);
}
.team-card {
  padding: 26px;
  min-height: 330px;
  display: flex;
  flex-direction: column;
}
.team-avatar {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  color: var(--copper);
  background: rgba(185, 120, 72, 0.1);
  font-weight: 900;
  margin-bottom: 20px;
}
.team-name {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--heading);
}
.team-title {
  margin-top: 5px;
  color: var(--copper);
  font-weight: 900;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.team-bio {
  margin: 16px 0 0;
  font-size: 0.92rem;
}
.cred-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 18px;
}
.cred-list span {
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 0.72rem;
  font-weight: 800;
}
.cta {
  background: linear-gradient(135deg, var(--blue-deep), var(--blue));
  overflow: hidden;
  color: #fff;
}
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  /* background: radial-gradient(circle at 20% 20%, rgba(157,51,64,.35), transparent 34rem), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: auto, 78px 78px;  */
  background: radial-gradient(
    circle at 20% 20%,
    rgba(157, 51, 64, 0.35),
    transparent 34rem
  );
  background-size: auto;
  opacity: 0.72;
}
.cta .container {
  text-align: center;
  max-width: 900px;
}
.cta h2 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.7rem);
  line-height: 1;
  letter-spacing: -0.04em;
}
.cta p {
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.72;
  max-width: 580px;
  margin: 18px auto 0;
}
.cta .btn-red {
  margin-top: 28px;
  background: #fff;
  color: var(--blue-deep);
  border-color: #fff;
}
.cta .btn-red:hover {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
}
.disclaimer {
  margin-top: 28px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.site-footer {
  padding: 70px 0 42px;
  border-top: 1px solid var(--line);
  background: var(--bg);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.75fr 0.75fr;
  gap: 42px;
}
.footer-logo {
  color: var(--heading);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 900;
  margin-bottom: 18px;
}
.footer-disc,
.footer-contact,
.footer-copy {
  color: var(--muted);
  line-height: 1.72;
  font-size: 0.84rem;
}
.footer-head {
  color: var(--copper);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.72rem;
  font-weight: 900;
  margin-bottom: 18px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.footer-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.86rem;
}
.footer-links a:hover {
  color: var(--heading);
}
.footer-copy {
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  opacity: 0.72;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(4, 9, 15, 0.72);
  padding: 24px;
}
.modal-backdrop.open {
  display: flex;
}
.invest-modal {
  width: min(760px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.modal-head,
.modal-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 26px;
  border-bottom: 1px solid var(--line);
}
.modal-foot {
  border-top: 1px solid var(--line);
  border-bottom: 0;
  justify-content: flex-end;
}
.modal-head h3 {
  margin: 0;
  color: var(--heading);
}
.modal-body {
  padding: 26px;
}
.close-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.form-field.full {
  grid-column: 1 / -1;
}
.form-field label {
  display: block;
  color: var(--heading);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.form-field input,
.form-field select {
  width: 100%;
  min-height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
  padding: 0 12px;
  font: inherit;
}
.form-field input:focus,
.form-field select:focus {
  outline: 3px solid rgba(36, 77, 120, 0.18);
  border-color: var(--blue);
}
.checkline {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--muted);
  line-height: 1.6;
}
.disclosure-box {
  margin-top: 6px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.7;
}
.success-note {
  display: none;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid rgba(54, 160, 111, 0.35);
  background: rgba(54, 160, 111, 0.12);
  color: var(--heading);
  margin-bottom: 18px;
}
.success-note.visible {
  display: block;
}
.fade-up {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .nav-links {
    gap: 17px;
  }
  .concept-nav {
    display: none;
  }
  .operating-flow,
  .deploy-flow {
    grid-template-columns: repeat(3, 1fr);
  }
  .timeline {
    grid-template-columns: repeat(3, 1fr);
  }
  .timeline::before {
    display: none;
  }
}
@media (max-width: 960px) {
  .container {
    width: min(var(--container), calc(100% - 32px));
  }
  .menu-btn {
    display: inline-flex;
  }
  .nav-links {
    position: fixed;
    top: 72px;
    left: 16px;
    right: 16px;
    display: grid;
    gap: 0;
    padding: 10px;
    background: rgba(18, 31, 45, 0.96);
    border: 1px solid var(--line-strong);
    border-radius: 20px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.18s ease, transform 0.18s ease;
  }
  html[data-theme='light'] .nav-links {
    background: rgba(255, 255, 255, 0.96);
  }
  body.nav-open .nav-links {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .nav-links a {
    display: block;
    padding: 15px 16px;
    border-radius: 12px;
    color: var(--heading);
  }
  .nav-links a:hover {
    background: rgba(36, 77, 120, 0.12);
  }
  .hero-grid,
  .two-col,
  .terms-split,
  .allocation-panel,
  .editorial-market,
  .dashboard,
  .leadership-feature,
  .highlight-layout,
  .concept-basin .hero-grid,
  .concept-prospectus .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-media {
    min-height: auto;
  }
  .image-card,
  .prospectus-card {
    height: auto;
    min-height: 420px;
  }
  .memo-card {
    position: relative;
    width: 100%;
    margin-top: 16px;
  }
  .thesis-grid,
  .business-grid,
  .market-grid,
  .team-grid,
  .grouped-team,
  .chooser-grid,
  .compact-team {
    grid-template-columns: 1fr 1fr;
  }
  .stack-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .stack-proof {
    text-align: left;
  }
  .field-label {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 680px) {
  section {
    padding: 66px 0;
  }
  .site-nav {
    padding: 12px 16px;
  }
  .logo {
    font-size: 0.72rem;
    letter-spacing: 0.1em;
  }
  .logo-mark {
    width: 21px;
    height: 21px;
  }
  .nav-cta {
    display: none;
  }
  .icon-btn span {
    display: none;
  }
  .hero {
    padding-top: 98px;
    min-height: auto;
  }
  .hero h1 {
    font-size: clamp(2.7rem, 15vw, 4.3rem);
  }
  .hero-copy {
    font-size: 0.96rem;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary,
  .hero-actions .btn-red {
    width: 100%;
  }
  .hero-stats,
  .terms-grid,
  .operator-snapshot,
  .memo-grid {
    grid-template-columns: 1fr;
  }
  .raise-head {
    display: grid;
  }
  .section-title {
    font-size: clamp(2.1rem, 10vw, 3.3rem);
  }
  .thesis-grid,
  .business-grid,
  .market-grid,
  .team-grid,
  .grouped-team,
  .chooser-grid,
  .compact-team,
  .operating-flow,
  .deploy-flow,
  .timeline {
    grid-template-columns: 1fr;
  }
  .timeline-item {
    padding-top: 62px;
  }
  .field-map {
    height: 320px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .terms-table,
  .terms-table tbody,
  .terms-table tr,
  .terms-table td {
    display: block;
    width: 100%;
  }
  .terms-table td:first-child {
    width: 100%;
    padding-bottom: 5px;
    border-bottom: 0;
  }
  .terms-table td + td {
    padding-top: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .fade-up {
    opacity: 1;
    transform: none;
  }
}
