/* ============================================================
   StarSegment Design System
   Market Intelligence × Constellation Mapping
   ============================================================ */

:root {
  --space-navy: #071525;
  --midnight: #101D35;
  --signal-gold: #F4B942;
  --research-cyan: #36D6D0;
  --insight-blue: #4D7CFE;
  --soft-bg: #F5F7F8;
  --white: #FFFFFF;
  --graphite: #1B2430;
  --muted: rgba(255, 255, 255, 0.55);
  --muted-dark: rgba(27, 36, 48, 0.55);
  --border-light: rgba(27, 36, 48, 0.08);
  --border-dark: rgba(255, 255, 255, 0.08);
  --glow-gold: rgba(244, 185, 66, 0.35);
  --glow-cyan: rgba(54, 214, 208, 0.25);
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --header-h: 72px;
  --container: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 2px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--graphite);
  background: var(--soft-bg);
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { list-style: none; }
strong { font-weight: 600; }

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

/* ---------- Typography ---------- */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--research-cyan);
  margin-bottom: 1rem;
}

.section--light .section-label { color: var(--insight-blue); }

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  max-width: 18ch;
  margin-bottom: 1.5rem;
}

.section-lede {
  font-size: 1.05rem;
  max-width: 48ch;
  color: var(--muted-dark);
  margin-bottom: 2.5rem;
}

.section--dark .section-lede,
.section--navy .section-lede { color: var(--muted); }

.editorial-lg {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--research-cyan);
  margin-bottom: 1.25rem;
}

.text-signal { color: var(--signal-gold); }
.text-cyan { color: var(--research-cyan); }
.text-gold { color: var(--signal-gold); }
.text-insight { color: var(--insight-blue); }

.fine-print {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--muted-dark);
  margin-top: 1.5rem;
  opacity: 0.7;
}

.section--dark .fine-print,
.section--navy .fine-print { color: var(--muted); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.01em;
  padding: 0.75rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.btn--sm { padding: 0.55rem 1rem; font-size: 0.8rem; }
.btn--lg { padding: 0.95rem 1.5rem; font-size: 0.95rem; }

.btn--gold {
  background: var(--signal-gold);
  color: var(--space-navy);
}

.btn--gold:hover {
  background: #ffc95a;
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn--ghost:hover {
  border-color: var(--research-cyan);
  color: var(--research-cyan);
}

.section--light .btn--ghost {
  color: var(--graphite);
  border-color: rgba(27, 36, 48, 0.2);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  background: rgba(7, 21, 37, 0.72);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-dark);
  transition: background 0.3s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(7, 21, 37, 0.92);
}

.nav {
  width: min(100% - 2rem, 1280px);
  margin-inline: auto;
  height: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  justify-self: start;
}

.logo-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.logo-mark--lg { width: 48px; height: 48px; }

.wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--white);
}

.nav__links {
  display: flex;
  gap: 1.75rem;
  justify-content: center;
}

.nav__links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s;
}

.nav__links a:hover { color: var(--white); }

.nav__actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav__toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--white);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: var(--header-h) 0 auto;
  z-index: 99;
  background: var(--space-navy);
  border-bottom: 1px solid var(--border-dark);
  padding: 1.5rem;
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-menu a {
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 500;
}

.mobile-menu[hidden] { display: none; }

/* ---------- Sections ---------- */
.section {
  position: relative;
  padding: clamp(4.5rem, 10vw, 7.5rem) 0;
}

.section--dark {
  background: var(--midnight);
  color: var(--white);
}

.section--navy {
  background: var(--space-navy);
  color: var(--white);
}

.section--light {
  background: var(--soft-bg);
  color: var(--graphite);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--space-navy);
  color: var(--white);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--header-h) + 2rem) 0 4rem;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(54, 214, 208, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(54, 214, 208, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 60% 40%, black 20%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 3;
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
  max-width: 640px;
  padding-right: 1rem;
}

.hero__headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.75rem, 7vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

.hero__lede {
  font-size: 1.1rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.7);
  max-width: 42ch;
  margin-bottom: 2rem;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.hero__cred {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.4);
}

.signal-panel {
  position: absolute;
  z-index: 4;
  right: max(2rem, calc((100% - var(--container)) / 2));
  bottom: 18%;
  width: min(260px, 88vw);
  padding: 1.15rem 1.25rem;
  background: rgba(16, 29, 53, 0.85);
  border: 1px solid rgba(54, 214, 208, 0.2);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  animation: panelFloat 6s ease-in-out infinite;
}

@keyframes panelFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.signal-panel__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--signal-gold);
}

.signal-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal-gold);
  box-shadow: 0 0 10px var(--glow-gold);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.signal-panel__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.45rem 0;
  border-top: 1px solid var(--border-dark);
  font-size: 0.875rem;
}

.signal-panel__row .mono-label { color: var(--muted); }
.signal-panel__note {
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.3);
}

.cluster-labels {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.cluster-label {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  transform: translate(-50%, -100%);
  white-space: nowrap;
  transition: color 0.3s, opacity 0.3s;
  pointer-events: auto;
  cursor: default;
  padding: 0.25rem 0.4rem;
}

.cluster-label.is-active,
.cluster-label:hover {
  color: var(--white);
}

.cluster-label--gold {
  color: var(--signal-gold);
  text-shadow: 0 0 20px var(--glow-gold);
}

.cluster-tooltip {
  position: absolute;
  top: 120%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 140px;
  padding: 0.6rem 0.75rem;
  background: rgba(7, 21, 37, 0.95);
  border: 1px solid rgba(54, 214, 208, 0.25);
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.8);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
  line-height: 1.4;
}

.cluster-label:hover .cluster-tooltip,
.cluster-label.is-active .cluster-tooltip { opacity: 1; }

/* ---------- Trust ---------- */
.trust {
  background: var(--white);
  border-block: 1px solid var(--border-light);
  padding: 2.25rem 0;
  text-align: center;
}

.trust__headline {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--graphite);
  margin-bottom: 1.5rem;
  opacity: 0.7;
}

.trust__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 2rem;
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.trust__list li {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--graphite);
  position: relative;
}

.trust__list li:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -1.15rem;
  top: 50%;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--signal-gold);
  transform: translateY(-50%);
}

/* ---------- Problem ---------- */
.problem__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  margin-top: 2rem;
}

.problem__copy p {
  color: var(--muted-dark);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.segment-split {
  position: relative;
  min-height: 280px;
}

.segment-split__stage {
  display: grid;
  place-items: center;
  min-height: 280px;
  transition: opacity 0.6s var(--ease);
}

.segment-split__stage.is-hidden {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.segment-split.is-split [data-stage="united"] {
  opacity: 0;
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.segment-split.is-split [data-stage="split"] {
  position: relative;
  opacity: 1;
  pointer-events: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.market-blob {
  display: grid;
  place-items: center;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  padding: 1.25rem 0.5rem;
  border: 1px solid rgba(27, 36, 48, 0.12);
  background: var(--white);
  color: var(--graphite);
  min-height: 72px;
  transition: transform 0.4s var(--ease), border-color 0.3s, box-shadow 0.3s;
}

.market-blob--total {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 1px solid rgba(77, 124, 254, 0.35);
  background:
    radial-gradient(circle at 40% 35%, rgba(54, 214, 208, 0.15), transparent 60%),
    var(--white);
  font-size: 0.7rem;
  box-shadow: 0 0 0 1px rgba(77, 124, 254, 0.08), 0 20px 40px rgba(7, 21, 37, 0.06);
}

.market-blob[data-seg="high"] { background: rgba(77, 124, 254, 0.08); }
.market-blob[data-seg="fast"] { background: rgba(54, 214, 208, 0.1); }
.market-blob[data-seg="price"] { background: rgba(27, 36, 48, 0.04); }
.market-blob[data-seg="loyal"] { background: rgba(77, 124, 254, 0.12); }
.market-blob[data-seg="risk"] { background: rgba(27, 36, 48, 0.06); }
.market-blob[data-seg="emerging"] {
  background: rgba(244, 185, 66, 0.12);
  border-color: rgba(244, 185, 66, 0.4);
  color: #8a6a12;
}

.segment-split.is-split .market-blob:hover {
  transform: translateY(-3px);
  border-color: var(--insight-blue);
}

/* ---------- Process ---------- */
.process__track { margin-top: 3rem; position: relative; }

.process__line {
  display: none;
  width: 100%;
  height: 40px;
  margin-bottom: -10px;
}

@media (min-width: 900px) {
  .process__line { display: block; }
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.process__step {
  position: relative;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-dark);
}

.process__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--signal-gold);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.75rem;
}

.process__step h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.process__step p {
  font-size: 0.925rem;
  color: var(--muted);
  line-height: 1.55;
}

.process__step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--research-cyan);
  box-shadow: 0 0 12px var(--glow-cyan);
}

.process__step:last-child::before { background: var(--signal-gold); }

/* ---------- Signature ---------- */
.signature {
  background: var(--space-navy);
  color: var(--white);
  padding-bottom: 0;
}

.signature__intro { margin-bottom: 2rem; }

.signature__intro .section-lede { color: var(--muted); }

.signature__stage {
  position: relative;
  height: min(78vh, 720px);
  border-top: 1px solid var(--border-dark);
  overflow: hidden;
  cursor: crosshair;
}

.signature__stage canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.segment-tooltip {
  position: absolute;
  z-index: 5;
  min-width: 200px;
  padding: 1rem 1.15rem;
  background: rgba(7, 21, 37, 0.92);
  border: 1px solid rgba(244, 185, 66, 0.35);
  backdrop-filter: blur(10px);
  pointer-events: none;
  transition: opacity 0.2s;
}

.segment-tooltip[hidden] { display: none; }

.segment-tooltip .mono-label {
  color: var(--signal-gold);
  display: block;
  margin-bottom: 0.35rem;
}

.segment-tooltip strong {
  font-family: var(--font-display);
  font-size: 1.1rem;
  display: block;
  margin-bottom: 0.85rem;
}

.segment-tooltip dl div {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.3rem 0;
  border-top: 1px solid var(--border-dark);
  font-size: 0.8rem;
}

.segment-tooltip dt {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Services ---------- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.service-card {
  padding: 1.75rem 1.5rem;
  background: var(--white);
  border: 1px solid var(--border-light);
  transition: border-color 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
}

.service-card:hover {
  border-color: rgba(77, 124, 254, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(7, 21, 37, 0.06);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  color: var(--insight-blue);
  margin-bottom: 1.25rem;
}

.service-card .mono-label {
  color: var(--muted-dark);
  display: block;
  margin-bottom: 0.5rem;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
}

.service-card p {
  font-size: 0.925rem;
  color: var(--muted-dark);
  line-height: 1.55;
}

/* ---------- Intelligence ---------- */
.intel__metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 2.5rem 0 3rem;
}

.metric {
  padding: 1.25rem;
  border: 1px solid var(--border-dark);
  background: rgba(255, 255, 255, 0.02);
}

.metric .mono-label {
  color: var(--muted);
  display: block;
  margin-bottom: 0.5rem;
}

.metric__value {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.pipeline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-bottom: 1rem;
}

.pipeline__node {
  padding: 0.85rem 1.15rem;
  border: 1px solid var(--border-dark);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.75);
  position: relative;
  overflow: hidden;
}

.pipeline__node::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(54, 214, 208, 0.15), transparent);
  transform: translateX(-100%);
  animation: shimmer 3.5s ease-in-out infinite;
}

.pipeline__node[data-step="2"]::after { animation-delay: 0.4s; }
.pipeline__node[data-step="3"]::after { animation-delay: 0.8s; }
.pipeline__node[data-step="4"]::after { animation-delay: 1.2s; }
.pipeline__node[data-step="5"]::after { animation-delay: 1.6s; }

@keyframes shimmer {
  0%, 100% { transform: translateX(-100%); }
  50% { transform: translateX(100%); }
}

.pipeline__node--gold {
  border-color: rgba(244, 185, 66, 0.45);
  color: var(--signal-gold);
}

.pipeline__arrow {
  color: var(--research-cyan);
  opacity: 0.6;
  font-size: 1rem;
}

.pipeline__flow {
  display: block;
  width: 100%;
  height: 48px;
  margin-top: 0.5rem;
  opacity: 0.7;
}

/* ---------- Segmentation Engine ---------- */
.seg-engine {
  margin-top: 3rem;
  min-height: 360px;
  display: grid;
  place-items: center;
  position: relative;
}

.seg-engine__total {
  width: min(280px, 70vw);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(54, 214, 208, 0.35);
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 35% 30%, rgba(54, 214, 208, 0.12), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(77, 124, 254, 0.1), transparent 50%);
  transition: opacity 0.6s, transform 0.6s var(--ease);
}

.seg-engine__total .mono-label {
  color: var(--research-cyan);
  letter-spacing: 0.16em;
}

.seg-engine.is-divided .seg-engine__total {
  opacity: 0;
  transform: scale(0.6);
  pointer-events: none;
  position: absolute;
}

.seg-engine__parts {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  width: 100%;
}

.seg-engine__parts.is-hidden {
  opacity: 0;
  pointer-events: none;
  position: absolute;
}

.seg-engine.is-divided .seg-engine__parts {
  position: relative;
  opacity: 1;
  pointer-events: auto;
  animation: fadeUp 0.7s var(--ease) both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.seg-piece {
  position: relative;
  min-height: 160px;
  padding: 1.5rem 1rem;
  border: 1px solid var(--border-dark);
  background: rgba(255, 255, 255, 0.02);
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: transform 0.35s var(--ease), border-color 0.3s, background 0.3s;
  overflow: hidden;
}

.seg-piece:nth-child(1) { background: rgba(77, 124, 254, 0.08); }
.seg-piece:nth-child(2) { background: rgba(54, 214, 208, 0.08); }
.seg-piece:nth-child(3) { background: rgba(77, 124, 254, 0.12); }
.seg-piece:nth-child(4) { background: rgba(255, 255, 255, 0.03); }
.seg-piece--gold {
  background: rgba(244, 185, 66, 0.1) !important;
  border-color: rgba(244, 185, 66, 0.3);
}

.seg-piece:hover,
.seg-piece:focus-visible {
  transform: scale(1.04);
  border-color: var(--research-cyan);
  z-index: 2;
}

.seg-piece__name {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.85);
}

.seg-piece__detail {
  position: absolute;
  inset: 0;
  padding: 1.15rem;
  background: rgba(7, 21, 37, 0.94);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.45rem;
  opacity: 0;
  transition: opacity 0.3s;
  font-size: 0.75rem;
}

.seg-piece:hover .seg-piece__detail,
.seg-piece:focus-visible .seg-piece__detail { opacity: 1; }

.seg-piece__detail span {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 0.1rem;
}

/* ---------- Signals ---------- */
.timeline {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 2.5rem 0 2rem;
  border-top: 1px solid var(--border-light);
  padding-top: 0;
}

.timeline__step {
  flex: 1;
  text-align: center;
  padding: 1rem 0.5rem;
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: var(--muted-dark);
}

.timeline__step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(27, 36, 48, 0.25);
  transform: translateX(-50%);
}

.timeline__step--active {
  color: var(--signal-gold);
}

.timeline__step--active::before {
  background: var(--signal-gold);
  box-shadow: 0 0 12px var(--glow-gold);
}

.signals__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.signal-card {
  padding: 1.75rem;
  background: var(--white);
  border: 1px solid var(--border-light);
}

.signal-card .mono-label {
  color: var(--muted-dark);
  display: block;
  margin-bottom: 0.75rem;
}

.signal-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.signal-card__note {
  font-size: 0.9rem;
  color: var(--muted-dark);
  line-height: 1.5;
  margin-bottom: 1.25rem;
  min-height: 2.7em;
}

.sparkline {
  width: 100%;
  height: 56px;
}

/* ---------- Industries ---------- */
.industries__shell {
  position: relative;
  margin-top: 2rem;
  min-height: 420px;
  border: 1px solid var(--border-dark);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.2);
}

.industries__shell canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.industries__nav {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 1.25rem;
  border-bottom: 1px solid var(--border-dark);
  background: rgba(7, 21, 37, 0.55);
  backdrop-filter: blur(8px);
}

.ind-tab {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.55rem 0.85rem;
  border: 1px solid transparent;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.ind-tab:hover { color: var(--white); }

.ind-tab.is-active {
  color: var(--space-navy);
  background: var(--signal-gold);
  border-color: var(--signal-gold);
}

.industry-insight {
  position: relative;
  z-index: 2;
  max-width: 360px;
  margin: 3rem 1.5rem 2rem auto;
  padding: 1.35rem 1.5rem;
  background: rgba(7, 21, 37, 0.85);
  border: 1px solid rgba(54, 214, 208, 0.2);
  backdrop-filter: blur(10px);
}

.industry-insight .mono-label {
  color: var(--research-cyan);
  display: block;
  margin-bottom: 0.65rem;
}

.industry-insight p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.55;
}

/* ---------- Methodology ---------- */
.methodology__lede { margin-top: 0.5rem; }

.method-flow {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  margin: 2.5rem 0;
  max-width: 420px;
}

.method-flow__step {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
}

.method-flow__step--gold {
  color: #9a7518;
  border-bottom-color: rgba(244, 185, 66, 0.4);
}

.method-flow__arrow {
  font-size: 0.85rem;
  color: var(--insight-blue);
  padding-left: 0.25rem;
  opacity: 0.6;
}

.method-pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.method-pillars li {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--border-light);
  background: var(--white);
  color: var(--graphite);
}

/* ---------- Case ---------- */
.case__viz {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  margin: 3rem 0 2.5rem;
}

.case__before,
.case__after {
  padding: 2rem;
  border: 1px solid var(--border-dark);
  min-height: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
}

.case__before .mono-label,
.case__after .mono-label { color: var(--muted); }

.case__blob--single {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  color: var(--muted);
  border: 1px solid rgba(54, 214, 208, 0.3);
  background: radial-gradient(circle at 40% 35%, rgba(54, 214, 208, 0.15), transparent 60%);
  padding: 1rem;
}

.case__arrow {
  font-size: 1.5rem;
  color: var(--signal-gold);
}

.case__segments {
  display: flex;
  gap: 0.5rem;
  align-items: flex-end;
  height: 120px;
}

.case__seg {
  width: 36px;
  height: calc(48px + var(--i) * 14px);
  border: 1px solid rgba(77, 124, 254, 0.4);
  background: rgba(77, 124, 254, 0.15);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.06em;
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.7);
}

.case__seg--gold {
  background: rgba(244, 185, 66, 0.2);
  border-color: rgba(244, 185, 66, 0.5);
  color: var(--signal-gold);
}

.case__after p {
  font-size: 0.85rem;
  color: var(--muted);
}

.case__outcomes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.outcome {
  padding: 1.5rem;
  border: 1px solid var(--border-dark);
  text-align: center;
}

.outcome strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--signal-gold);
  margin-bottom: 0.35rem;
}

.outcome span {
  font-size: 0.875rem;
  color: var(--muted);
}

/* ---------- Insights ---------- */
.insights__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.insight-card {
  padding: 2rem 1.75rem;
  background: var(--white);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  min-height: 200px;
  transition: border-color 0.3s, transform 0.3s var(--ease);
}

.insight-card:hover {
  border-color: rgba(77, 124, 254, 0.3);
  transform: translateY(-3px);
}

.insight-card--wide { grid-column: 1 / -1; }

.insight-card .mono-label {
  color: var(--muted-dark);
  margin-bottom: 0.75rem;
}

.insight-card h3 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: auto;
  max-width: 18ch;
}

.insight-card__viz {
  margin-top: 1.5rem;
  opacity: 0.85;
}

.insight-card__viz svg {
  width: 100%;
  height: 40px;
}

/* ---------- Why / Compare ---------- */
.compare {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.compare__col {
  padding: 2rem 1.75rem;
  border: 1px solid var(--border-dark);
}

.compare__col h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.compare__col ul {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.compare__col li {
  font-size: 1rem;
  padding-left: 1.1rem;
  position: relative;
  color: var(--muted);
}

.compare__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
}

.compare__col--muted {
  opacity: 0.65;
  background: rgba(0, 0, 0, 0.15);
}

.compare__col--primary {
  background:
    linear-gradient(145deg, rgba(54, 214, 208, 0.08), transparent 50%),
    rgba(255, 255, 255, 0.03);
  border-color: rgba(244, 185, 66, 0.35);
  box-shadow: 0 0 60px rgba(244, 185, 66, 0.06);
}

.compare__col--primary h3 { color: var(--signal-gold); }

.compare__col--primary li { color: rgba(255, 255, 255, 0.9); }

.compare__col--primary li::before {
  background: var(--signal-gold);
  box-shadow: 0 0 8px var(--glow-gold);
}

/* ---------- Dashboard ---------- */
.dash {
  margin-top: 2.5rem;
  background: var(--white);
  border: 1px solid var(--border-light);
  padding: 1.5rem;
}

.dash__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-light);
}

.dash__filter {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--border-light);
  color: var(--muted-dark);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.dash__filter.is-active,
.dash__filter:hover {
  background: var(--space-navy);
  color: var(--white);
  border-color: var(--space-navy);
}

.dash__body {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
}

.dash__overview .mono-label,
.dash__segments .mono-label {
  color: var(--muted-dark);
  display: block;
  margin-bottom: 1rem;
}

.dash__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.dash__stats div {
  padding: 0.85rem;
  border: 1px solid var(--border-light);
}

.dash__stats span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-dark);
  margin-bottom: 0.35rem;
}

.dash__stats strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.dash__chart {
  width: 100%;
  height: 100px;
}

.bar-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  font-size: 0.8rem;
}

.bar {
  height: 8px;
  background: rgba(27, 36, 48, 0.06);
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  width: var(--w);
  background: var(--insight-blue);
  transform-origin: left;
  animation: barGrow 1.2s var(--ease) both;
}

.bar--gold i { background: var(--signal-gold); }

@keyframes barGrow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* ---------- Brand Statement ---------- */
.brand-statement {
  background: var(--space-navy);
  color: var(--white);
  min-height: 90vh;
  display: flex;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.brand-statement__inner {
  position: relative;
  padding: 4rem 0;
}

.brand-statement__line {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.brand-statement__line.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.brand-statement__line--signal {
  color: var(--signal-gold);
  margin-bottom: 2.5rem;
  transition-delay: 0.35s;
}

#statementCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.5;
}

.brand-statement__sub {
  position: relative;
  z-index: 1;
  max-width: 42ch;
  margin: 2rem auto 0;
  color: var(--muted);
  font-size: 1.05rem;
  opacity: 0;
  transition: opacity 0.8s 0.7s;
}

.brand-statement.is-active .brand-statement__sub { opacity: 1; }

/* ---------- CTA ---------- */
.cta {
  background: var(--space-navy);
  color: var(--white);
  text-align: center;
  overflow: hidden;
  border-top: 1px solid var(--border-dark);
}

.cta__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
}

.cta__inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.cta__logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.cta__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.cta__lede {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  line-height: 1.65;
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
}

/* ---------- Footer ---------- */
.footer {
  background: #050e18;
  color: var(--white);
  padding-top: 4rem;
  border-top: 1px solid var(--border-dark);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 2rem;
  padding-bottom: 3rem;
}

.footer__brand p {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 28ch;
}

.footer__col h4 {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--research-cyan);
  margin-bottom: 1.15rem;
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer__col a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.2s;
}

.footer__col a:hover { color: var(--white); }

.footer__bottom {
  border-top: 1px solid var(--border-dark);
  padding: 1.25rem 0;
}

.footer__bottom p {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.35);
}

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .nav {
    grid-template-columns: 1fr auto;
  }

  .nav__links { display: none; }

  .nav__toggle { display: flex; }

  .nav__actions .btn--sm { display: none; }

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

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

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

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

  .seg-engine__parts .seg-piece:last-child { grid-column: 1 / -1; }

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

  .case__viz {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .case__arrow { transform: rotate(90deg); }

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

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

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

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

  .footer__brand { grid-column: 1 / -1; }

  .signal-panel {
    right: 1.25rem;
    bottom: 8%;
  }
}

@media (max-width: 720px) {
  .problem__grid { grid-template-columns: 1fr; gap: 2rem; }

  .hero__content {
    max-width: 100%;
    padding-top: 1rem;
  }

  .hero__headline { font-size: clamp(2.25rem, 10vw, 3rem); }

  .hero__grid {
    mask-image: radial-gradient(ellipse at 50% 20%, black 10%, transparent 55%);
  }

  .cluster-labels { opacity: 0.85; }

  .signal-panel {
    position: relative;
    right: auto;
    bottom: auto;
    margin: 2.5rem auto 0;
    width: min(100% - 2.5rem, 320px);
    animation: none;
  }

  .hero {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding-top: calc(var(--header-h) + 1.25rem);
  }

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

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

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

  .segment-split.is-split [data-stage="split"] {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust__list li:not(:last-child)::after { display: none; }

  .trust__list { gap: 0.75rem 1.25rem; }

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

  .signature__stage { height: 55vh; }

  .industries__shell { min-height: 360px; }

  .industry-insight { margin: 1.5rem; }

  .dash {
    overflow-x: auto;
  }

  .dash__filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 1rem;
  }

  .dash__filter { flex-shrink: 0; }
}

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

  html { scroll-behavior: auto; }
}