/* ==========================================================================
   DESIGN A ROOM — Design Tokens
   Mann/Nolan nocturnal industrial. Crushed blacks, one ember accent.
   Shared DNA with The Tie-In / Roofing Authority Network, standalone domain.
   ========================================================================== */

:root {
  /* Type scale — fluid clamp() */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(2.75rem, 0.5rem + 6.5vw, 7rem);

  /* Spacing — 4px base */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  --content-narrow: 640px;
  --content-default: 780px;
  --content-wide: 1180px;
  --content-full: 100%;

  --font-display: 'Anton', 'Arial Narrow', sans-serif;
  --font-body: 'General Sans', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Nocturnal industrial — single dark theme, no light mode (broadcast identity is intentionally dark) */
:root,
[data-theme='dark'] {
  --color-bg: #0a0908;
  --color-surface: #0f0e0c;
  --color-surface-2: #141210;
  --color-surface-offset: #181614;
  --color-surface-offset-2: #1d1b18;
  --color-surface-dynamic: #242220;
  --color-divider: #2a2724;
  --color-border: #35322e;

  --color-text: #f4ecd8;
  --color-text-muted: #a8a196;
  --color-text-faint: #6b6660;
  --color-text-inverse: #0a0908;

  --color-primary: #f0b25a;
  --color-primary-hover: #f6c680;
  --color-primary-active: #d99843;
  --color-primary-highlight: #3a2f1c;

  --color-ember-hot: #ff1a1a;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.4);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.5);
  --shadow-lg: 0 16px 48px oklch(0 0 0 / 0.6);
}

/* ==========================================================================
   Fonts
   ========================================================================== */

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
}

h1,
h2,
h3,
.display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

/* ==========================================================================
   Film grain overlay — fixed, subtle, over everything
   ========================================================================== */

.grain-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
}

/* ==========================================================================
   Layout primitives
   ========================================================================== */

.wrap {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.wrap--narrow {
  max-width: var(--content-narrow);
}

.wrap--default {
  max-width: var(--content-default);
}

section {
  position: relative;
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
}

.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.section-label::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-ember-hot);
  box-shadow: 0 0 8px var(--color-ember-hot);
  flex-shrink: 0;
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding-block: var(--space-4);
  background: linear-gradient(to bottom, oklch(0.05 0 0 / 0.85), transparent);
  backdrop-filter: blur(8px);
  transition: background var(--transition-interactive);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}

.logo__mark {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.logo__img {
  height: 26px;
  width: auto;
  display: block;
}

.logo__text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.logo__text em {
  color: var(--color-primary);
  font-style: normal;
}

.header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-width: 0;
}

.header__divider {
  width: 1px;
  height: 20px;
  background: var(--color-divider);
  flex-shrink: 0;
}

.header__network {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  opacity: 0.85;
  transition: opacity var(--transition-interactive);
}

.header__network:hover {
  opacity: 1;
}

.header__network img {
  height: 16px;
  width: auto;
  display: block;
}

.header__cta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-decoration: none;
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition:
    color var(--transition-interactive),
    border-color var(--transition-interactive),
    background var(--transition-interactive);
}

.header__cta:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img,
.hero__bg-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
}

.hero__bg-fallback {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg-video {
  position: relative;
  z-index: 1;
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  .hero__bg-video {
    display: none;
  }
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to bottom,
      oklch(0.04 0 0 / 0.4) 0%,
      oklch(0.04 0 0 / 0.2) 40%,
      oklch(0.04 0 0 / 0.85) 85%,
      oklch(0.04 0 0 / 1) 100%
    ),
    linear-gradient(
      to right,
      oklch(0.04 0 0 / 0.92) 0%,
      oklch(0.04 0 0 / 0.78) 34%,
      oklch(0.04 0 0 / 0.25) 64%,
      oklch(0.04 0 0 / 0) 100%
    );
}

@media (max-width: 640px) {
  .hero__bg img,
  .hero__bg-video {
    object-position: right center;
  }

  .hero__bg::after {
    background:
      linear-gradient(
        to bottom,
        oklch(0.04 0 0 / 0.45) 0%,
        oklch(0.04 0 0 / 0.3) 30%,
        oklch(0.04 0 0 / 0.9) 82%,
        oklch(0.04 0 0 / 1) 100%
      ),
      linear-gradient(
        to right,
        oklch(0.04 0 0 / 0.92) 0%,
        oklch(0.04 0 0 / 0.8) 50%,
        oklch(0.04 0 0 / 0.4) 78%,
        oklch(0.04 0 0 / 0.15) 100%
      );
  }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 960px;
}

.hero__kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero__title {
  font-size: clamp(3.25rem, 5.5vw, 5.75rem);
  line-height: 0.94;
  margin-bottom: var(--space-8);
}

.hero__title > span {
  display: block;
  white-space: nowrap;
}

.hero__title em {
  color: var(--color-primary);
  font-style: normal;
}

.hero__sub {
  font-size: clamp(1rem, 1.25vw, 1.25rem);
  line-height: 1.55;
  color: var(--color-text);
  max-width: 600px;
  margin-bottom: var(--space-10);
  font-weight: 500;
  text-shadow: 0 1px 18px rgba(0, 0, 0, 0.9);
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__actions .btn--ghost {
  background: rgba(10, 9, 8, 0.55);
  backdrop-filter: blur(6px);
  border-color: var(--color-text-muted);
}

.hero__actions .btn--ghost:hover {
  background: rgba(10, 9, 8, 0.75);
}

.hero__scroll-cue {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text);
}

.hero__scroll-cue .line {
  width: 32px;
  height: 2px;
  background: var(--color-text-muted);
  position: relative;
  overflow: hidden;
  border-radius: 1px;
}

.hero__scroll-cue .line::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-primary);
  animation: scrollcue 2.2s ease-in-out infinite;
}

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

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    border-color var(--transition-interactive),
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: 1px solid var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 0 24px oklch(from var(--color-primary) l c h / 0.35);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-text-muted);
  background: var(--color-surface-offset);
}

/* ==========================================================================
   Thesis / cold-open statement section
   ========================================================================== */

.thesis {
  background: var(--color-surface);
}

.thesis__statement {
  font-size: var(--text-2xl);
  line-height: 1.2;
  max-width: 920px;
  color: var(--color-text);
}

.thesis__statement em {
  color: var(--color-primary);
  font-style: normal;
}

.thesis__caption {
  margin-top: var(--space-10);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 620px;
  border-left: 2px solid var(--color-primary);
  padding-left: var(--space-6);
}

/* ==========================================================================
   Commitments grid
   ========================================================================== */

.commitments {
  background: var(--color-bg);
}

.commitments__header {
  max-width: 720px;
  margin-bottom: var(--space-16);
}

.commitments__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-5);
}

.commitments__title em {
  color: var(--color-primary);
  font-style: normal;
}

.commitments__intro {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}

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

.commitment-card {
  background: var(--color-surface);
  padding: var(--space-10) var(--space-8);
}

.commitment-card__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  display: block;
}

.commitment-card__title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-lg);
  text-transform: none;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.commitment-card__body {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

/* ==========================================================================
   Room image break — full bleed
   ========================================================================== */

.image-break {
  position: relative;
  height: clamp(320px, 55vw, 640px);
  overflow: hidden;
}

.image-break img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-break__caption {
  position: absolute;
  bottom: var(--space-8);
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
}

.image-break__caption span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: oklch(0.04 0 0 / 0.6);
  backdrop-filter: blur(6px);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-divider);
}

/* ==========================================================================
   Tiers
   ========================================================================== */

.tiers {
  background: var(--color-surface);
}

.tiers__header {
  max-width: 720px;
  margin-bottom: var(--space-16);
}

.tiers__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-5);
}

.tiers__title em {
  color: var(--color-primary);
  font-style: normal;
}

.tiers__intro {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}

.tiers__list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-divider);
}

.tier-row {
  display: grid;
  grid-template-columns: 120px 1fr 1.4fr;
  gap: var(--space-8);
  padding-block: var(--space-10);
  border-bottom: 1px solid var(--color-divider);
  align-items: start;
}

.tier-row__num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
}

.tier-row__name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-lg);
  text-transform: none;
  color: var(--color-text);
}

.tier-row__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-top: var(--space-2);
}

.tier-row__desc {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

/* ==========================================================================
   Quote break
   ========================================================================== */

.quote-break {
  background: var(--color-bg);
  text-align: center;
}

.quote-break__mark {
  font-size: var(--text-xl);
  line-height: 1.35;
  max-width: 780px;
  margin-inline: auto;
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 500;
  text-transform: none;
  font-style: italic;
}

.quote-break__mark em {
  color: var(--color-primary);
  font-style: italic;
}

.quote-break__attr {
  margin-top: var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

/* ==========================================================================
   Two-column: who this is for
   ========================================================================== */

.audience {
  background: var(--color-surface);
}

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

.audience-card {
  background: var(--color-surface-offset);
  padding: var(--space-12) var(--space-10);
  border: 1px solid var(--color-divider);
}

.audience-card__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}

.audience-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-5);
}

.audience-card__body {
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.audience-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.audience-card__list li {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  padding-left: var(--space-5);
  position: relative;
  max-width: 100%;
}

.audience-card__list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* ==========================================================================
   Credibility
   ========================================================================== */

.credibility {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.credibility__grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-16);
  align-items: start;
}

.credibility__portrait {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius-md);
  filter: grayscale(0.25) contrast(1.05);
}

.credibility__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.credibility__portrait::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    oklch(0.04 0 0 / 0.35) 0%,
    transparent 45%
  );
  box-shadow: inset 0 0 0 1px var(--color-divider);
}

.credibility__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
}

.credibility__title em {
  color: var(--color-primary);
  font-style: normal;
}

.credibility__lede {
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-6);
  font-weight: 500;
}

.credibility__body {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  max-width: 640px;
}

.credibility__signoff {
  margin-top: var(--space-8);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

@media (max-width: 860px) {
  .credibility__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .credibility__portrait {
    max-width: 220px;
  }
}

/* ==========================================================================
   Live Moderation
   ========================================================================== */

.live-moderation {
  background: var(--color-bg);
}

.live-moderation__header {
  max-width: 720px;
  margin-bottom: var(--space-16);
}

.live-moderation__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-5);
}

.live-moderation__title em {
  color: var(--color-primary);
  font-style: normal;
}

.live-moderation__intro {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}

.live-moderation__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-divider);
  border: 1px solid var(--color-divider);
}

.live-moderation__item {
  background: var(--color-surface);
  padding: var(--space-10) var(--space-8);
}

.live-moderation__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
  display: block;
}

.live-moderation__label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-lg);
  text-transform: none;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.live-moderation__body {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

.live-moderation__grid--four {
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: var(--space-10);
}

.live-moderation__footnote {
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  max-width: 820px;
}

/* ==========================================================================
   Final CTA
   ========================================================================== */

.final-cta {
  background: var(--color-bg);
  text-align: center;
  padding-block: clamp(var(--space-20), 14vw, var(--space-32));
}

.final-cta__title {
  font-size: var(--text-3xl);
  max-width: 900px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

.final-cta__title em {
  color: var(--color-primary);
  font-style: normal;
}

.final-cta__sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
}

.final-cta__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface);
  padding-block: var(--space-10);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-muted);
}

.footer__brand img {
  height: 16px;
  width: auto;
}

.footer__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

/* ==========================================================================
   Scroll reveals
   ========================================================================== */

.reveal {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .reveal {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 60%;
  }
}

@keyframes reveal-fade {
  to {
    opacity: 1;
  }
}

/* ==========================================================================
   PROOF STRIP — concrete named example
   ========================================================================== */

.proof {
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface);
}

.proof__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.proof__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  display: block;
}

.proof__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1.02;
  margin-bottom: var(--space-6);
  text-transform: uppercase;
}

.proof__title em {
  color: var(--color-primary);
  font-style: normal;
}

.proof__media {
  position: relative;
  margin: 0 0 var(--space-6);
  overflow: hidden;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.proof__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.proof__media figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
  border-top: 1px solid var(--color-divider);
  background: var(--color-bg);
}

.proof__media figcaption span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  white-space: nowrap;
}

.proof__media figcaption strong {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  text-align: right;
}

.proof__body {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}

.proof__body:last-of-type {
  margin-bottom: 0;
}

.proof__card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-8);
}

.proof__card-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
  display: block;
}

.proof__card-name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.proof__card-role {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  margin-bottom: var(--space-6);
}

.proof__steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.proof__step {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.proof__step-num {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: var(--text-xs);
  padding-top: 0.2em;
}

.proof__step strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ==========================================================================
   FAILURE CASE — what happens when it's tested
   ========================================================================== */

.failure-case {
  background: var(--color-surface-offset);
}

.failure-case__header {
  max-width: 760px;
  margin-bottom: var(--space-16);
}

.failure-case__scenario {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-lg);
  color: var(--color-text);
  font-style: italic;
  border-left: 2px solid var(--color-primary);
  padding-left: var(--space-6);
  margin-bottom: var(--space-6);
}

.failure-case__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.failure-case__item {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-8);
}

.failure-case__tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  display: block;
}

.failure-case__label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.failure-case__body {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.55;
}

.failure-case__footnote {
  margin-top: var(--space-12);
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  max-width: 700px;
}

/* ==========================================================================
   AI TRANSPARENCY — name the risk, show the control
   ========================================================================== */

.ai-trust {
  padding-block: var(--space-16);
  background: var(--color-bg);
}

.ai-trust__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.15;
  margin-top: var(--space-3);
  margin-bottom: var(--space-6);
  max-width: 800px;
}

.ai-trust__title em {
  font-style: normal;
  color: var(--color-primary);
}

.ai-trust__lede {
  font-size: var(--text-md);
  line-height: 1.6;
  color: var(--color-text-secondary);
  max-width: 720px;
  margin-bottom: var(--space-10);
}

.ai-trust__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.ai-trust__item {
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-5);
}

.ai-trust__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.ai-trust__item-title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  line-height: 1.3;
  margin-bottom: var(--space-3);
}

.ai-trust__item-body {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.ai-trust__footnote {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
  border-left: 2px solid var(--color-primary);
  padding-left: var(--space-4);
  max-width: 760px;
  line-height: 1.6;
}

/* ==========================================================================
   STAT STRIP — compressed proof-of-scale
   ========================================================================== */

.stat-strip {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  padding-block: var(--space-12);
}

.stat-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.stat-strip__item {
  text-align: center;
  padding-inline: var(--space-4);
  border-left: 1px solid var(--color-divider);
}

.stat-strip__item:first-child {
  border-left: none;
}

.stat-strip__num {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-strip__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   MECHANISM DIAGRAM — the actual guardrail sheet, shown not described
   ========================================================================== */

.mechanism {
  background: var(--color-bg);
}

.mechanism__header {
  max-width: 720px;
  margin-bottom: var(--space-12);
}

.mechanism__sheet {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.mechanism__sheet-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface-2);
}

.mechanism__sheet-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-ember-hot);
  margin-right: var(--space-2);
  box-shadow: 0 0 8px var(--color-ember-hot);
}

.mechanism__sheet-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.mechanism__sheet-status {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.mechanism__sheet-body {
  padding: var(--space-8);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.mechanism__field {
  margin-bottom: var(--space-6);
}

.mechanism__field-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
  display: block;
}

.mechanism__field-value {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.5;
}

.mechanism__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.mechanism__tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-divider);
  color: var(--color-text-muted);
}

.mechanism__tag--block {
  border-color: var(--color-ember-hot);
  color: var(--color-ember-hot);
}

.mechanism__tag--go {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.mechanism__log {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-6) var(--space-8);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mechanism__log-line {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: var(--space-3);
}

.mechanism__log-time {
  color: var(--color-text-faint);
}

.mechanism__log-event {
  color: var(--color-text-muted);
}

.mechanism__log-event strong {
  color: var(--color-primary);
  font-weight: 500;
}

.mechanism__caption {
  margin-top: var(--space-6);
  color: var(--color-text-faint);
  font-size: var(--text-sm);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 860px) {
  .commitments__grid {
    grid-template-columns: 1fr;
  }

  .live-moderation__grid {
    grid-template-columns: 1fr;
  }

  .live-moderation__grid--four {
    grid-template-columns: 1fr;
  }

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

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

  .tier-row__num {
    font-size: var(--text-lg);
  }

  .header__cta span.full {
    display: none;
  }

  .proof__grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .failure-case__grid {
    grid-template-columns: 1fr;
  }

  .mechanism__sheet-body {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .mechanism__log-line {
    grid-template-columns: 4rem 1fr;
  }

  .stat-strip__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6) var(--space-4);
  }

  .stat-strip__item:nth-child(3) {
    border-left: none;
  }

  .stat-strip__item:nth-child(1),
  .stat-strip__item:nth-child(2) {
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-divider);
  }

  .ai-trust__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .ai-trust__title {
    font-size: var(--text-lg);
  }
}

@media (max-width: 640px) {
  .header__divider,
  .header__network {
    display: none;
  }

  .hero__title {
    font-size: clamp(2.7rem, 12vw, 3.35rem);
    line-height: 0.94;
  }

  .hero__title > span {
    white-space: normal;
  }

  .hero__sub {
    font-size: 1.05rem;
    line-height: 1.55;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    justify-content: center;
  }

  .proof__media figcaption {
    align-items: flex-start;
    flex-direction: column;
  }

  .proof__media figcaption strong {
    text-align: left;
  }

  .final-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .final-cta__actions .btn {
    justify-content: center;
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }
}
</content>