:root {
  /* ---------- Brand palette (matches deepgen-ui/design-system/tokens/primitives.css) ---------- */
  --teal-deep: #173F3B;
  --teal: #2F6E68;
  --teal-soft: #DDEAE8;
  --sage: #8AA694;
  --sage-tint: #E7EEE8;
  --amber: #C9852E;      /* fills, borders, dots only: 2.8:1 on paper, never text on light */
  --amber-tint: #F6E9D2;
  --amber-ink: #8A5A1A;  /* amber text on light surfaces: 4.9:1 */
  --paper: #F7F5EF;
  --paper-2: #FEFDFA;
  --ink: #1F2A27;
  --ink-soft: #4A5854;
  --ink-faint: #7C8985;  /* 3.3:1: captions and metadata only */
  --line: #E0DCD1;
  --line-strong: #C9C4B6;
  --danger: #B2543F;
  --danger-tint: #F1E0DB;
  --stone-panel: #E7E4DC;
  --console-ground: #16211E; /* ink, one step darker for the terminal */

  /* ---------- Semantic roles ---------- */
  --text-primary: var(--ink);
  --text-secondary: var(--ink-soft);
  --text-tertiary: var(--ink-faint);
  --text-brand: var(--teal-deep);
  --text-on-accent: var(--paper-2);
  --text-on-inverse: var(--paper);
  --text-on-inverse-muted: rgba(247, 245, 239, 0.72);

  --accent: var(--teal-deep);
  --accent-hover: var(--teal);
  --highlight: var(--amber);
  --highlight-text: var(--amber-ink);
  --highlight-bg: var(--amber-tint);

  --surface-page: var(--paper);
  --surface-card: var(--paper-2);
  --surface-tint: var(--sage-tint);
  --surface-inverse: var(--ink);
  --surface: rgba(254, 253, 250, 0.82);
  --surface-strong: rgba(254, 253, 250, 0.96);

  --border-soft: rgba(31, 42, 39, 0.08);
  --border-default: var(--line);
  --border-strong: var(--line-strong);
  --border-on-inverse: rgba(255, 255, 255, 0.1);

  --focus-border: var(--teal);
  --focus-ring: 0 0 0 3px var(--teal-soft);

  --status-good: var(--sage);
  --status-warn: var(--amber);
  --status-bad: var(--danger);

  --shadow-soft: 0 12px 32px rgba(31, 42, 39, 0.04);
  --shadow-lg: 0 24px 64px rgba(31, 42, 39, 0.07);

  /* ---------- Typography ----------
     Outfit: logo, headings, display. Inter: body and UI. JetBrains Mono: labels and data. */
  --font-display: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --sans: var(--font-sans);
  --mono: var(--font-mono);

  --type-body-lg: 1.125rem;
  --type-body: 1rem;
  --type-body-sm: 0.9375rem;
  --type-caption: 0.8125rem;
  --type-label: 0.75rem;

  --space-xs: 0.75rem;
  --space-sm: 1.5rem;
  --space-md: 3rem;
  --space-lg: 5rem;
  --space-xl: 8rem;
  --max-width: 1400px;
  --header-height: 68px;
  --radius-sm: 8px;
  --radius: 16px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--type-body);
  background: var(--surface-page);
  color: var(--text-primary);
  font-weight: 400;
  line-height: 1.65;
  font-feature-settings: 'cv11', 'ss01';
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--teal-deep);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  font-weight: 600;
}

h3 {
  font-size: clamp(1.25rem, 2.3vw, 1.6rem);
  font-weight: 600;
}

p {
  font-size: var(--type-body);
  color: var(--text-secondary);
  max-width: 65ch;
}

.mono {
  font-family: var(--mono);
}

.mono-label {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--type-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mono-data {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.85rem;
}

.metric-value {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--teal-deep);
}

.metric-card {
  background-color: var(--sage-tint);
  border: 1px solid var(--border-soft);
  padding: 1.5rem;
  border-radius: var(--radius);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section {
  padding: var(--space-xl) 0;
  position: relative;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.7rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--type-body-sm);
  letter-spacing: -0.005em;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(47, 110, 104, 0.15);
}

.btn-primary {
  background: var(--accent);
  color: var(--text-on-accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  border-color: var(--line-strong);
  color: var(--ink);
  background-color: var(--paper-2);
}

.btn-secondary:hover {
  border-color: var(--teal);
  color: var(--teal-deep);
  background-color: var(--paper);
}

.text-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--type-body-sm);
  text-decoration: none;
  color: var(--ink);
  gap: 0.5rem;
  transition: opacity var(--transition-fast);
}

.text-link:hover {
  opacity: 0.8;
}

.text-link svg {
  transition: transform var(--transition-fast);
}

.text-link:hover svg {
  transform: translateX(4px);
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--paper-2);
  z-index: 100;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 0.75rem;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--teal-deep);
  letter-spacing: -0.02em;
}

.logo-img {
  display: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-md);
  align-items: center;
}

.nav-link {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--type-body-sm);
  color: var(--ink);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--teal);
}

.nav-menu .btn {
  font-size: 0.82rem;
  padding: 0.6rem 1.25rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hero-section {
  background: var(--paper-2);
  color: var(--ink);
  display: flex;
  align-items: center;
  min-height: 100vh;
  padding-top: calc(var(--header-height) + var(--space-lg));
  padding-bottom: var(--space-lg);
  position: relative;
}

.hero-section p {
  color: var(--ink-soft);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: var(--space-lg);
  align-items: stretch;
  min-width: 0;
  width: 100%;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  z-index: 2;
  min-width: 0;
}

.hero-eyebrow {
  color: var(--teal);
}

.hero-headline {
  font-weight: 700;
  letter-spacing: -0.03em;
  max-width: 14ch;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.hero-headline u {
  text-decoration-line: underline;
  text-decoration-thickness: 0.06em;
  text-underline-offset: 0.08em;
  text-decoration-color: var(--ink);
}

.hero-scroll-link {
  color: var(--teal);
  width: fit-content;
}

.hero-aside {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.hero-aside p {
  font-size: 1.25rem;
  line-height: 1.55;
  max-width: 40ch;
  color: var(--ink-soft);
}

.studio-section {
  background: var(--stone-panel);
}

.studio-content {
  max-width: 640px;
  margin-bottom: var(--space-lg);
}

.studio-content p {
  margin: var(--space-sm) 0 var(--space-md);
}

.studio-video-frame {
  --studio-progress: 0;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-2);
  transform: scale(calc(1 + 0.06 * var(--studio-progress)));
  box-shadow: 0 calc(24px + 36px * var(--studio-progress)) calc(64px + 70px * var(--studio-progress)) rgb(31 42 39 / calc(0.07 + 0.3 * var(--studio-progress)));
  will-change: transform, box-shadow;
}

.studio-browser-bar {
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
  padding: 0.7rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.studio-browser-url {
  flex-grow: 1;
  max-width: 320px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
}

.studio-video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.studio-media-note {
  display: block;
  color: var(--ink-soft);
  opacity: 0.6;
  text-align: right;
  margin-top: 0.6rem;
}

.hub-section {
  background: var(--paper-2);
}

.hub-box {
  --bleed: 0;
  position: relative;
  z-index: 0;
  color: var(--paper);
  padding: var(--space-lg) var(--space-md);
}

.hub-box::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(var(--bleed) * 50%);
  width: calc(100% + var(--bleed) * (100vw - 100%));
  margin-left: calc(var(--bleed) * -50vw);
  background: var(--ink);
  border-radius: calc(var(--radius) * (1 - var(--bleed)));
  z-index: -1;
}

.hub-eyebrow {
  color: var(--sage);
  display: inline-block;
  margin-bottom: var(--space-sm);
}

.hub-title {
  color: var(--paper-2);
  margin-bottom: var(--space-lg);
  max-width: 20ch;
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.hub-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-md);
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow-soft);
  transition: border-color var(--transition-fast), transform var(--transition-fast), background-color var(--transition-fast);
}

.hub-card:hover {
  border-color: var(--teal);
  background: var(--sage-tint);
  transform: translateY(-3px);
}

.hub-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.hub-card-arrow {
  font-family: var(--mono);
  color: var(--ink-soft);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.hub-card:hover .hub-card-arrow {
  color: var(--teal);
  transform: translateX(3px);
}

.hub-card h3 {
  color: var(--teal-deep);
}

.hub-card p {
  color: var(--ink-soft);
  font-size: var(--type-body-sm);
  flex-grow: 1;
}

.hub-card-cta {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--teal);
  margin-top: auto;
}

.hub-card-tbd {
  border-style: dashed;
  border-color: var(--line-strong);
  background: var(--paper-2);
}

.hub-card-tbd .hub-card-eyebrow {
  color: var(--highlight-text);
}

.hub-card-tbd .hub-card-cta {
  color: var(--highlight-text);
}

.hub-card-tbd:hover {
  border-color: var(--amber);
  background: var(--amber-tint);
}

.hub-card-tbd:hover .hub-card-arrow {
  color: var(--highlight-text);
}

.problem-section {
  background: radial-gradient(circle at top left, rgba(138, 166, 148, 0.12), transparent 24%), var(--paper);
}

.section-eyebrow {
  color: var(--teal);
  margin-bottom: var(--space-sm);
  display: inline-block;
}

.section-title {
  margin-bottom: var(--space-md);
  max-width: 22ch;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.problem-card {
  background: var(--surface-strong);
  border: 1px solid var(--border-soft);
  padding: var(--space-md);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  box-shadow: var(--shadow-soft);
}

.problem-card:hover {
  transform: translateY(-4px);
  border-color: var(--teal);
  box-shadow: var(--shadow-lg);
}

.problem-card-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--teal);
  margin-bottom: var(--space-md);
}

.problem-card h3 {
  margin-bottom: var(--space-sm);
  color: var(--teal-deep);
}

.problem-card p {
  font-size: var(--type-body-sm);
  margin-bottom: var(--space-md);
}

.problem-card-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border-soft);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.red {
  background-color: var(--status-bad);
}

.status-dot.amber {
  background-color: var(--status-warn);
}

.status-dot.green {
  background-color: var(--status-good);
}

.how-it-works-section {
  background: var(--paper);
  color: var(--ink);
}

.how-it-works-section p {
  color: var(--ink-soft);
}

.how-it-works-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.console-container {
  order: 1;
}

.architecture-steps {
  order: 2;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-sm);
}

.arch-step-item {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow-soft);
  transition: border-color var(--transition-fast), transform var(--transition-fast), background-color var(--transition-fast);
  min-height: 180px;
}

.arch-step-item.active {
  border-color: var(--teal);
  border-left-color: var(--teal);
  background: var(--sage-tint);
  transform: translateY(-2px);
}

.arch-step-item h3 {
  margin-top: var(--space-xs);
  margin-bottom: 0.25rem;
}

.arch-step-item p {
  font-size: var(--type-body-sm);
}

.console-container {
  background: var(--console-ground);
  border: 1px solid var(--border-on-inverse);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  height: 430px;
  display: flex;
  flex-direction: column;
}

.console-header {
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-on-inverse);
  padding: 0.8rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.console-dots {
  display: flex;
  gap: 0.4rem;
}

.console-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.18);
}

.console-dot:nth-child(1) {
  background-color: var(--danger);
}

.console-dot:nth-child(2) {
  background-color: var(--amber);
}

.console-dot:nth-child(3) {
  background-color: var(--sage);
}

.console-title {
  font-size: 0.68rem;
  color: rgba(247, 245, 239, 0.55);
  letter-spacing: 0.05em;
  font-weight: 600;
}

.console-body {
  padding: 1.2rem;
  flex-grow: 1;
  overflow-y: auto;
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.console-line {
  display: flex;
  gap: 0.5rem;
}

.console-prompt {
  color: var(--sage);
  user-select: none;
}

.console-input {
  color: var(--paper-2);
  font-weight: 500;
}

.console-log {
  color: rgba(247, 245, 239, 0.75);
}

.console-routing {
  color: rgba(247, 245, 239, 0.5);
}

.console-executing {
  color: var(--amber);
}

.console-success {
  color: var(--sage);
}

.console-models-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin: 0.25rem 0;
}

.console-model-pill {
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 0.3rem 0.5rem;
  font-size: 0.7rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--paper);
}

.console-model-pill.active {
  border-color: var(--sage);
  background-color: rgba(138, 166, 148, 0.14);
  color: var(--sage);
}

.console-model-pill .status {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.25);
}

.console-model-pill.active .status {
  background-color: var(--sage);
  box-shadow: 0 0 4px var(--sage);
}

.cursor-blink {
  animation: cursor-blink 1s steps(2, start) infinite;
}

@keyframes cursor-blink {
  to {
    visibility: hidden;
  }
}

.compliance-section {
  background: linear-gradient(180deg, var(--paper) 0%, var(--stone-panel) 100%);
}

.compliance-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: end;
  margin-bottom: var(--space-lg);
}

.compliance-content h2 {
  margin-bottom: var(--space-md);
  color: var(--teal-deep);
}

.compliance-content p {
  margin-bottom: var(--space-sm);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.stat-card {
  background: var(--surface-strong);
  border: 1px solid var(--border-soft);
  padding: 1.75rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.stat-metric {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--teal-deep);
  margin-bottom: 0.4rem;
  display: block;
}

.stat-label {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 0.3rem;
}

.stat-desc {
  font-size: var(--type-caption);
  color: var(--text-secondary);
}

.verification-note {
  background: linear-gradient(90deg, var(--sage-tint), rgba(231, 238, 232, 0.4));
  border-left: 4px solid var(--teal);
  padding: var(--space-sm) var(--space-md);
  margin-top: var(--space-md);
  font-size: var(--type-body-sm);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.matrix-section {
  background: var(--paper-2);
  color: var(--ink);
}

.matrix-section p {
  color: var(--ink-soft);
}

.matrix-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-lg) auto;
}

.matrix-header h2 {
  margin-bottom: var(--space-sm);
  color: var(--teal-deep);
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.matrix-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: var(--space-md);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-soft);
}

.matrix-card-header {
  border-bottom: 1px solid var(--line);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.matrix-card h3 {
  color: var(--teal-deep);
}

.matrix-card-price {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--teal-deep);
  background: var(--sage-tint);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.matrix-card p {
  font-size: var(--type-body-sm);
  margin-bottom: var(--space-sm);
  color: var(--ink-soft);
}

.matrix-features {
  list-style: none;
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.matrix-feature-item {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.matrix-feature-item::before {
  content: '·';
  color: var(--teal);
  font-weight: 800;
}

.deployment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.deployment-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: var(--space-md);
  border-radius: var(--radius);
}

.deployment-card h4 {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: var(--teal-deep);
  margin-bottom: 0.6rem;
  text-transform: uppercase;
}

.deployment-card p {
  font-size: var(--type-body-sm);
  color: var(--ink-soft);
}

.why-section {
  background: var(--paper);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.why-card {
  border-left: 3px solid var(--teal);
  background: var(--surface-strong);
  padding: var(--space-md);
  border-radius: var(--radius);
  transition: background-color var(--transition-normal), transform var(--transition-normal);
  box-shadow: var(--shadow-soft);
}

.why-card:hover {
  background-color: var(--line);
  transform: translateY(-2px);
}

.why-claim {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--teal-deep);
  margin-bottom: var(--space-sm);
}

.why-mechanism {
  font-size: var(--type-body-sm);
  color: var(--text-secondary);
  position: relative;
}

.why-mechanism::before {
  content: 'Mechanism: ';
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--teal);
  display: block;
  margin-bottom: 0.2rem;
}

.audience-section {
  background: linear-gradient(180deg, var(--sage-tint) 0%, var(--paper) 100%);
}

.audience-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-lg);
}

.audience-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.path-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.path-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-sm);
  background: var(--surface-strong);
  border: 1px solid var(--border-soft);
  padding: var(--space-md);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.path-step-num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.1rem;
  width: 40px;
  height: 40px;
  background: var(--teal-deep);
  box-shadow: inset 0 0 0 2px var(--highlight);
  color: var(--paper);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.path-step-content h3 {
  margin-bottom: 0.35rem;
}

.path-step-content p {
  font-size: var(--type-body-sm);
}

.cta-section {
  background: var(--paper);
  color: var(--ink);
  text-align: center;
  padding: var(--space-xl) 0;
}

.cta-box {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.cta-box h2 {
  font-weight: 700;
  color: var(--teal-deep);
}

.cta-box p {
  color: var(--ink-soft);
  font-size: 1.08rem;
}

footer {
  background-color: var(--paper-2);
  color: var(--ink-soft);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-logo-text {
  font-size: 1.75rem;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-nav-title {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--type-label);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--teal-deep);
  margin-bottom: 0.6rem;
}

.footer-link {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: var(--type-body-sm);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--teal);
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-legal-mono {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-soft);
}

@media (max-width: 992px) {
  :root {
    --space-xl: 5rem;
    --space-lg: 3rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    text-align: center;
  }

  .hero-content {
    align-items: center;
  }

  .hero-headline {
    max-width: 16ch;
  }

  .hero-scroll-link {
    margin: 0 auto;
  }

  .hero-aside p {
    max-width: none;
    margin: 0 auto;
  }

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

  .grid-3 {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .architecture-steps {
    grid-template-columns: 1fr 1fr;
  }

  .compliance-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero-headline {
    font-size: clamp(2rem, 9vw, 2.6rem);
    max-width: 18ch;
  }

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

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

  .footer-brand {
    grid-column: span 1;
  }

  .hero-scroll-link {
    width: 100%;
    justify-content: center;
  }

  /* Stack every multi-column grid to a single full-width column */
  .architecture-steps,
  .hub-grid,
  .grid-3,
  .matrix-grid,
  .deployment-grid,
  .why-grid,
  .audience-grid,
  .compliance-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .arch-step-item {
    min-height: 0;
  }

  /* Desktop card padding (3rem) leaves too little room for text on phones */
  .hub-box {
    padding: var(--space-md) var(--space-sm);
  }

  .hub-card,
  .problem-card,
  .matrix-card,
  .deployment-card,
  .why-card,
  .path-step,
  .stat-card {
    padding: var(--space-sm);
  }

  .problem-card-num,
  .problem-card p {
    margin-bottom: var(--space-sm);
  }

  .verification-note {
    padding: var(--space-sm);
  }

  .console-container {
    height: 380px;
  }

  .console-body {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1.25rem;
  }

  .hero-headline {
    font-size: clamp(1.75rem, 8.6vw, 2.15rem);
    max-width: 20ch;
  }
}

.fade-in-section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}
/* ---------- Highlight: amber as the single warm accent ---------- */
.hero-headline u {
  text-decoration-color: var(--highlight);
}

.stat-metric {
  font-variant-numeric: tabular-nums;
}

/* ---------- Utilities replacing repeated inline styles ---------- */
.text-teal {
  color: var(--teal);
}

.text-soft {
  color: var(--text-secondary);
}

.is-featured {
  border-color: var(--teal);
}

.problem-card.is-featured {
  background-color: var(--surface-tint);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Request a proof of concept modal ---------- */
/* Page scroll is locked while open; the scrollbar's width is replaced with padding so nothing shifts */
html.poc-open {
  overflow: hidden;
}

html.poc-open body,
html.poc-open header {
  padding-right: var(--poc-scrollbar, 0px);
}

.poc-modal {
  width: calc(100% - 3rem);
  max-width: 620px;
  max-height: calc(100% - 3rem);
  margin: auto;
  padding: 0;
  color: var(--text-primary);
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.poc-modal[open] {
  display: flex;
  animation: poc-in 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.poc-modal::backdrop {
  background: rgba(31, 42, 39, 0.45);
}

@keyframes poc-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
}

.poc-sheet {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 1.75rem 2rem;
}

.poc-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: 0.4rem;
}

.poc-head .mono-label {
  display: inline-block;
  margin-bottom: 0.4rem;
  font-size: 0.7rem;
}

.poc-head h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.poc-head h2:focus,
.poc-success h3:focus {
  outline: none;
}

.poc-close {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin: -0.5rem -0.75rem 0 0;
  color: var(--ink-soft);
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.poc-close:hover {
  color: var(--teal-deep);
  border-color: var(--line);
}

.poc-intro {
  font-size: var(--type-caption);
  margin-bottom: 1.25rem;
}

.poc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1rem;
}

.poc-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.poc-field-full {
  grid-column: 1 / -1;
}

.poc-field label,
.poc-check label {
  font-size: var(--type-caption);
  font-weight: 500;
  color: var(--ink);
}

.poc-req {
  color: var(--danger);
}

.poc-optional {
  margin-left: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.poc-hint {
  margin-top: -0.15rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.poc-field input,
.poc-field select,
.poc-field textarea {
  width: 100%;
  min-height: 40px;
  padding: 0.5rem 0.75rem;
  font-family: var(--font-sans);
  font-size: var(--type-body-sm);
  color: var(--ink);
  background: var(--paper-2);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.poc-field textarea {
  min-height: 96px;
  line-height: 1.55;
  resize: vertical;
}

.poc-field select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2.25rem;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%234A5854' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m1 1.5 5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.8rem center;
}

.poc-field select:invalid {
  color: var(--ink-faint);
}

.poc-field select option {
  color: var(--ink);
}

.poc-field input:hover,
.poc-field select:hover,
.poc-field textarea:hover {
  border-color: var(--ink-faint);
}

.poc-field input:focus-visible,
.poc-field select:focus-visible,
.poc-field textarea:focus-visible,
.poc-check input:focus-visible,
.poc-close:focus-visible,
.poc-retry:focus-visible {
  outline: none;
  border-color: var(--focus-border);
  box-shadow: var(--focus-ring);
}

.poc-field [aria-invalid="true"],
.poc-check [aria-invalid="true"] {
  border-color: var(--danger);
}

.poc-field [aria-invalid="true"]:focus-visible {
  box-shadow: 0 0 0 3px var(--danger-tint);
}

.poc-error {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--danger);
}

.poc-error:empty {
  display: none;
}

.poc-hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.poc-consents {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.poc-consents .poc-error {
  margin: -0.25rem 0 0.15rem 1.65rem;
}

.poc-check {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.poc-check input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 17px;
  height: 17px;
  margin-top: 0.1rem;
  background: var(--paper-2);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.poc-check input:checked {
  background: var(--teal-deep) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='10' fill='none' stroke='%23FEFDFA' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m1 5 3.5 3.5L11 1.5'/%3E%3C/svg%3E") no-repeat center;
  border-color: var(--teal-deep);
}

.poc-check label {
  font-weight: 400;
  color: var(--ink-soft);
  cursor: pointer;
}

.poc-check a {
  color: var(--teal);
  font-weight: 500;
  text-underline-offset: 2px;
}

.poc-alert {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs) var(--space-sm);
  flex-wrap: wrap;
  margin-top: 1.1rem;
  padding: 0.7rem 0.9rem;
  background: var(--danger-tint);
  border: 1px solid rgba(178, 84, 63, 0.25);
  border-radius: var(--radius-sm);
}

.poc-alert[hidden] {
  display: none;
}

.poc-alert p {
  font-size: var(--type-caption);
  color: var(--ink);
  max-width: none;
}

.poc-retry {
  flex: none;
  padding: 0.5rem 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--teal-deep);
  background: var(--paper-2);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.poc-retry:hover {
  border-color: var(--teal);
}

.poc-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 1.25rem;
}

.poc-submit {
  gap: 0.5rem;
  min-width: 9.5rem;
  padding: 0.7rem 1.3rem;
}

.poc-submit:disabled {
  cursor: progress;
  opacity: 0.75;
}

.poc-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(254, 253, 250, 0.35);
  border-top-color: var(--paper-2);
  border-radius: 50%;
  animation: poc-spin 0.7s linear infinite;
}

.poc-form[aria-busy="true"] .poc-spinner {
  display: inline-block;
}

@keyframes poc-spin {
  to {
    transform: rotate(360deg);
  }
}

.poc-success {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-xs);
  padding: var(--space-sm) 0 0.5rem;
}

.poc-success[hidden] {
  display: none;
}

.poc-success-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--teal-deep);
  background: var(--sage-tint);
  border-radius: 50%;
}

.poc-success h3 {
  font-size: 1.25rem;
}

.poc-success .btn {
  margin-top: var(--space-xs);
}

/* Small screens: a full-screen sheet */
@media (max-width: 600px) {
  .poc-modal {
    width: 100%;
    max-width: none;
    height: 100%;
    max-height: none;
    border: 0;
    border-radius: 0;
  }

  .poc-modal[open] {
    animation-name: poc-sheet-in;
  }

  .poc-sheet {
    padding: 1.1rem 1.25rem 1.5rem;
  }

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

  .poc-actions .btn {
    width: 100%;
  }
}

@keyframes poc-sheet-in {
  from {
    transform: translateY(24px);
    opacity: 0;
  }
}

/* ---------- Focus ---------- */
:focus-visible {
  outline: 2px solid var(--focus-border);
  outline-offset: 3px;
  border-radius: 4px;
}

.btn:focus-visible,
.hub-card:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring), 0 0 0 1px var(--focus-border);
}

.hub-box :focus-visible {
  outline-color: var(--sage);
}

::selection {
  background: var(--teal-soft);
  color: var(--teal-deep);
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .fade-in-section {
    opacity: 1;
    transform: none;
  }

  .studio-video-frame {
    transform: none;
    box-shadow: var(--shadow-lg);
  }

  .btn:hover,
  .hub-card:hover,
  .problem-card:hover,
  .why-card:hover {
    transform: none;
  }
}