/* ============================================================
   Trust Bridge by Block Bridge — styles.css
   Brand: enterprise-grade, secure, automotive, neutral, confident
   ============================================================ */

/* ---------- Design tokens (Brand Guidelines) ---------- */
:root {
  /* Primary — Deep automotive navy */
  --c-primary-900: #0A1628;
  --c-primary-800: #0D1B2E;
  --c-primary-700: #14253F;
  --c-primary-600: #1B3A5C;
  --c-primary-500: #2B5CE6;
  --c-primary-400: #4A78F0;
  --c-primary-300: #7BA0F5;

  /* Secondary — Steel blue */
  --c-secondary-700: #1E3A5F;
  --c-secondary-500: #2E5A8E;
  --c-secondary-300: #6B92C4;

  /* Accent — Trust cyan (restrained) */
  --c-accent-500: #00A6B4;
  --c-accent-300: #4FCED8;
  --c-accent-700: #007A86;

  /* Success — Verified green */
  --c-success-600: #1F8A4C;
  --c-success-500: #2BA866;
  --c-success-400: #4FC488;
  --c-success-300: #8FE0B5;

  /* Warning — Hold amber */
  --c-warning-600: #C77700;
  --c-warning-500: #E8941A;
  --c-warning-400: #F5B34D;

  /* Error — Blocked red */
  --c-error-600: #C0392B;
  --c-error-500: #E0463A;
  --c-error-400: #F27469;

  /* Neutrals */
  --c-neutral-0: #FFFFFF;
  --c-neutral-50: #F7F9FC;
  --c-neutral-100: #EEF2F8;
  --c-neutral-200: #DCE3EE;
  --c-neutral-300: #C2CCDB;
  --c-neutral-400: #94A2B8;
  --c-neutral-500: #6B7A93;
  --c-neutral-600: #4A5870;
  --c-neutral-700: #34405A;
  --c-neutral-800: #1F2A44;
  --c-neutral-900: #11192B;

  /* Typography */
  --font-sans: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", "Roboto Mono", Menlo, Consolas, monospace;

  /* Spacing (8px system) */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 2.5rem;
  --space-6: 3rem;
  --space-7: 4rem;
  --space-8: 5rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* Layout */
  --container-max: 1280px;
  --container-pad: clamp(1rem, 4vw, 2.5rem);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Effects */
  --shadow-sm: 0 1px 2px rgba(10, 22, 40, 0.08);
  --shadow-md: 0 4px 16px rgba(10, 22, 40, 0.10);
  --shadow-lg: 0 12px 40px rgba(10, 22, 40, 0.14);
  --shadow-glow: 0 0 32px rgba(43, 92, 230, 0.18);
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Header */
  --header-h: 76px;
  --header-h-compact: 60px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--c-neutral-800);
  background: var(--c-neutral-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--c-primary-500); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-primary-400); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

/* ---------- Accessibility ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  padding: 0.75rem 1.25rem;
  background: var(--c-primary-500);
  color: #fff;
  font-weight: 600;
  border-radius: 0 0 var(--radius-md) 0;
}
.skip-link:focus { left: 0; }
:focus-visible {
  outline: 3px solid var(--c-primary-400);
  outline-offset: 3px;
  border-radius: 2px;
}
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}
.section { padding-block: clamp(3.5rem, 8vw, 6.5rem); position: relative; }
.section--dark { background: var(--c-primary-800); color: var(--c-neutral-100); }
.section--dark-grad {
  background: linear-gradient(180deg, var(--c-primary-900) 0%, var(--c-primary-800) 100%);
  color: var(--c-neutral-100);
}
.section--light { background: var(--c-neutral-50); }
.section--white { background: var(--c-neutral-0); }
.section--accent { background: var(--c-primary-700); color: var(--c-neutral-100); }

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent-500);
  margin-bottom: var(--space-2);
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--c-accent-500);
  border-radius: 999px;
  background: rgba(0, 166, 180, 0.08);
}
.section--dark .section-label,
.section--dark-grad .section-label,
.section--accent .section-label {
  color: var(--c-accent-300);
  border-color: rgba(79, 206, 216, 0.4);
  background: rgba(79, 206, 216, 0.08);
}
.section-heading {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
  color: var(--c-primary-900);
  max-width: 22ch;
}
.section--dark .section-heading,
.section--dark-grad .section-heading,
.section--accent .section-heading { color: var(--c-neutral-0); }
.section-intro {
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  line-height: 1.65;
  color: var(--c-neutral-600);
  max-width: 62ch;
  margin-bottom: var(--space-5);
}
.section--dark .section-intro,
.section--dark-grad .section-intro,
.section--accent .section-intro { color: var(--c-neutral-300); }
.section-head { margin-bottom: var(--space-6); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-md);
  min-height: 48px;
  transition: all var(--transition);
  cursor: pointer;
  text-align: center;
  line-height: 1.2;
}
.btn--primary {
  background: var(--c-primary-500);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover {
  background: var(--c-primary-400);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--secondary {
  background: transparent;
  color: var(--c-primary-500);
  border: 1.5px solid var(--c-primary-500);
}
.btn--secondary:hover {
  background: var(--c-primary-500);
  color: #fff;
}
.btn--light {
  background: var(--c-neutral-0);
  color: var(--c-primary-700);
  box-shadow: var(--shadow-sm);
}
.btn--light:hover { background: var(--c-neutral-100); color: var(--c-primary-700); transform: translateY(-1px); }
.btn--outline-light {
  background: transparent;
  color: var(--c-neutral-0);
  border: 1.5px solid rgba(255,255,255,0.4);
}
.btn--outline-light:hover { background: rgba(255,255,255,0.1); color: #fff; border-color: rgba(255,255,255,0.7); }
.btn--ghost {
  background: rgba(255,255,255,0.06);
  color: var(--c-neutral-0);
  border: 1px solid rgba(255,255,255,0.15);
}
.btn--ghost:hover { background: rgba(255,255,255,0.12); color: #fff; }
.btn--block { width: 100%; }
.link-note {
  font-size: 0.82rem;
  color: var(--c-neutral-500);
  margin-top: 0.5rem;
  line-height: 1.4;
}
.section--dark .link-note,
.section--dark-grad .link-note,
.section--accent .link-note { color: var(--c-neutral-400); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; }
.btn-row + .link-note { flex-basis: 100%; }

/* ---------- Announcement bar ---------- */
.announce {
  background: var(--c-primary-900);
  color: var(--c-neutral-200);
  font-size: 0.85rem;
  text-align: center;
  padding: 0.55rem var(--container-pad);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative;
  z-index: 50;
}
.announce a {
  color: var(--c-accent-300);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.announce a:hover { color: var(--c-accent-300); opacity: 0.85; }
.announce-sep { margin: 0 0.5rem; opacity: 0.4; }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 27, 46, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: padding var(--transition), background var(--transition);
  padding-block: 0.85rem;
}
.header.is-compact {
  padding-block: 0.45rem;
  background: rgba(10, 22, 40, 0.97);
  box-shadow: var(--shadow-md);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}
.brand { display: flex; align-items: center; gap: 0.65rem; text-decoration: none; }
.brand__mark { width: 36px; height: 36px; flex-shrink: 0; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-neutral-0);
}
.brand__parent {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--c-neutral-400);
  letter-spacing: 0.04em;
}
.nav { display: flex; align-items: center; gap: var(--space-3); }
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  list-style: none;
}
.nav__links a {
  color: var(--c-neutral-200);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.4rem 0.2rem;
  position: relative;
  transition: color var(--transition);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--c-accent-500);
  transition: width var(--transition);
}
.nav__links a:hover, .nav__links a:focus-visible { color: var(--c-neutral-0); }
.nav__links a:hover::after, .nav__links a:focus-visible::after { width: 100%; }
.nav__cta { display: flex; align-items: center; gap: var(--space-2); }
.nav__cta .btn { min-height: 44px; padding: 0.65rem 1.2rem; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  color: var(--c-neutral-0);
  border-radius: var(--radius-sm);
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 22px; height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle span::before { transform: translateY(-7px); }
.nav-toggle span::after  { transform: translateY(5px); }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: linear-gradient(180deg, var(--c-primary-900) 0%, var(--c-primary-800) 100%);
  color: var(--c-neutral-100);
  padding-block: clamp(3rem, 8vw, 5.5rem) clamp(2.5rem, 6vw, 4rem);
  overflow: hidden;
}
.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(43,92,230,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43,92,230,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-7);
  align-items: center;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}
.hero__eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-accent-300);
  margin-bottom: var(--space-2);
}
.hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--c-neutral-0);
  margin-bottom: var(--space-3);
}
.hero__copy {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.65;
  color: var(--c-neutral-200);
  max-width: 56ch;
  margin-bottom: var(--space-4);
}
.hero__cta-row { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; margin-bottom: var(--space-3); }
.hero__trust {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--c-neutral-300);
  letter-spacing: 0.02em;
  display: flex; align-items: center; gap: 0.5rem;
}
.hero__trust::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--c-success-500);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--c-success-500);
}

/* Hero visual: shipment pathway */
.hero__visual {
  position: relative;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: var(--shadow-lg);
}
.pathway {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.pathway__title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent-300);
  margin-bottom: 0.25rem;
}
.pathway__track {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.path-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
}
.path-node__dot {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--c-primary-600);
  border: 2px solid var(--c-accent-500);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-neutral-0);
  font-size: 0.7rem;
  font-weight: 700;
  position: relative;
  flex-shrink: 0;
}
.path-node__dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--c-accent-500);
  opacity: 0.3;
}
.path-node__label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--c-neutral-200);
  text-align: center;
  white-space: nowrap;
}
.path-connector {
  flex: 1;
  min-width: 16px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-accent-500), var(--c-accent-300));
  position: relative;
  border-radius: 2px;
}
.path-connector::after {
  content: "";
  position: absolute;
  right: -4px; top: 50%;
  transform: translateY(-50%);
  width: 0; height: 0;
  border-left: 6px solid var(--c-accent-300);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}
.path-verify {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  color: var(--c-success-400);
  font-weight: 600;
  margin-top: var(--space-1);
  padding: 0.4rem 0.75rem;
  background: rgba(31,138,76,0.12);
  border: 1px solid rgba(31,138,76,0.3);
  border-radius: var(--radius-sm);
  width: fit-content;
}
.path-verify svg { width: 14px; height: 14px; }

/* Credential card mock */
.cred-card {
  margin-top: var(--space-2);
  background: linear-gradient(135deg, var(--c-primary-700), var(--c-primary-600));
  border: 1px solid rgba(79,206,216,0.25);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-2);
  align-items: center;
}
.cred-card__icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(0,166,180,0.15);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-accent-300);
}
.cred-card__icon svg { width: 22px; height: 22px; }
.cred-card__body { display: flex; flex-direction: column; gap: 0.15rem; }
.cred-card__title { font-size: 0.82rem; font-weight: 700; color: var(--c-neutral-0); }
.cred-card__sub { font-size: 0.72rem; color: var(--c-neutral-300); }
.cred-card__badge {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-success-400);
  background: rgba(31,138,76,0.18);
  border: 1px solid rgba(31,138,76,0.4);
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
}

/* ---------- Trust statement ---------- */
.trust-stmt { text-align: center; }
.trust-stmt__heading {
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  line-height: 1.2;
  font-weight: 700;
  max-width: 24ch;
  margin: 0 auto var(--space-3);
  color: var(--c-primary-900);
}
.trust-stmt__body {
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.7;
  max-width: 64ch;
  margin: 0 auto var(--space-5);
  color: var(--c-neutral-600);
}
.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  max-width: 900px;
  margin: 0 auto var(--space-4);
}
.principle {
  background: var(--c-neutral-0);
  border: 1px solid var(--c-neutral-200);
  border-top: 3px solid var(--c-accent-500);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  text-align: center;
  font-weight: 600;
  color: var(--c-primary-800);
  font-size: 0.98rem;
}
.attribution {
  font-size: 0.88rem;
  color: var(--c-neutral-500);
  font-style: italic;
  margin-top: var(--space-3);
}

/* ---------- Problem cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-3);
}
.card {
  background: var(--c-neutral-0);
  border: 1px solid var(--c-neutral-200);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--c-neutral-300); }
.card__icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(43,92,230,0.08);
  color: var(--c-primary-500);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-2);
}
.card__icon svg { width: 24px; height: 24px; }
.card__icon--warn { background: rgba(232,148,26,0.1); color: var(--c-warning-500); }
.card__icon--err  { background: rgba(224,70,58,0.1); color: var(--c-error-500); }
.card__icon--info { background: rgba(0,166,180,0.1); color: var(--c-accent-700); }
.card__title { font-size: 1.08rem; font-weight: 700; color: var(--c-primary-900); margin-bottom: 0.5rem; }
.card__body { font-size: 0.94rem; line-height: 1.6; color: var(--c-neutral-600); }
.qualification {
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: rgba(43,92,230,0.05);
  border-left: 3px solid var(--c-primary-500);
  border-radius: var(--radius-sm);
  font-size: 0.96rem;
  color: var(--c-neutral-700);
  line-height: 1.6;
}
.section--dark .qualification,
.section--dark-grad .qualification {
  background: rgba(79,206,216,0.08);
  border-color: var(--c-accent-500);
  color: var(--c-neutral-200);
}

/* ---------- How it works (steps) ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
  counter-reset: step;
}
.step {
  position: relative;
  background: var(--c-neutral-0);
  border: 1px solid var(--c-neutral-200);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  counter-increment: step;
  box-shadow: var(--shadow-sm);
}
.step::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--c-accent-500);
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}
.step__title { font-size: 1.1rem; font-weight: 700; color: var(--c-primary-900); margin-bottom: 0.4rem; }
.step__body { font-size: 0.92rem; line-height: 1.6; color: var(--c-neutral-600); }
.concluding {
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--c-primary-700);
  color: var(--c-neutral-100);
  border-radius: var(--radius-md);
  font-size: 1.02rem;
  line-height: 1.6;
  font-weight: 500;
  text-align: center;
  max-width: 80ch;
  margin-inline: auto;
}

/* ---------- Fraud workflow ---------- */
.workflow {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  max-width: 760px;
  margin-bottom: var(--space-5);
}
.workflow__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-2);
  align-items: start;
  padding: var(--space-2) var(--space-3);
  background: var(--c-neutral-0);
  border: 1px solid var(--c-neutral-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.workflow__num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--c-primary-500);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.88rem;
  flex-shrink: 0;
}
.workflow__text { font-size: 0.95rem; line-height: 1.55; color: var(--c-neutral-700); padding-top: 0.15rem; }
.workflow__text strong { color: var(--c-primary-900); }
.key-outcome {
  margin: var(--space-4) 0;
  padding: var(--space-3) var(--space-4);
  background: linear-gradient(135deg, rgba(43,92,230,0.06), rgba(0,166,180,0.06));
  border: 1px solid var(--c-primary-300);
  border-radius: var(--radius-md);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-primary-800);
  line-height: 1.55;
  max-width: 80ch;
}
.decision-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.decision {
  border-radius: var(--radius-md);
  padding: var(--space-3);
  text-align: center;
  border: 1.5px solid;
  position: relative;
}
.decision--approved {
  background: rgba(31,138,76,0.08);
  border-color: var(--c-success-500);
}
.decision--blocked {
  background: rgba(224,70,58,0.07);
  border-color: var(--c-error-500);
}
.decision__state {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin-bottom: 0.3rem;
}
.decision--approved .decision__state { color: var(--c-success-600); }
.decision--blocked .decision__state { color: var(--c-error-600); }
.decision__sub { font-size: 0.88rem; color: var(--c-neutral-600); font-weight: 500; }
.decision__tag {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-neutral-500);
}
.illustrative-note {
  margin-top: var(--space-3);
  font-size: 0.85rem;
  color: var(--c-neutral-500);
  font-style: italic;
  text-align: center;
}

/* ---------- Feature blocks ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-3);
}
.feature {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  transition: border-color var(--transition), background var(--transition);
}
.feature:hover { border-color: rgba(79,206,216,0.4); background: rgba(255,255,255,0.05); }
.feature__icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0,166,180,0.12);
  color: var(--c-accent-300);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-2);
}
.feature__icon svg { width: 24px; height: 24px; }
.feature__title { font-size: 1.1rem; font-weight: 700; color: var(--c-neutral-0); margin-bottom: 0.5rem; }
.feature__body { font-size: 0.92rem; line-height: 1.6; color: var(--c-neutral-300); }
.feature__body p + p { margin-top: 0.6rem; color: var(--c-neutral-400); font-size: 0.88rem; }
.callout {
  margin-top: var(--space-5);
  padding: var(--space-3) var(--space-4);
  border-left: 3px solid var(--c-accent-500);
  background: rgba(0,166,180,0.06);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--c-neutral-100);
  max-width: 80ch;
}
.callout + .callout { margin-top: var(--space-2); }

/* ---------- Participant value (tabs) ---------- */
.tabs { margin-top: var(--space-3); }
.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--c-neutral-200);
  padding-bottom: 0.5rem;
}
.tabs__btn {
  padding: 0.6rem 1rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--c-neutral-500);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  min-height: 44px;
  transition: all var(--transition);
}
.tabs__btn:hover { color: var(--c-primary-700); background: var(--c-neutral-100); }
.tabs__btn[aria-selected="true"] {
  color: var(--c-primary-500);
  background: rgba(43,92,230,0.06);
  border-color: var(--c-primary-300);
}
.tabs__panel {
  display: none;
  background: var(--c-neutral-0);
  border: 1px solid var(--c-neutral-200);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.tabs__panel.is-active { display: block; }
.tabs__panel h3 { font-size: 1.2rem; color: var(--c-primary-900); margin-bottom: 0.5rem; }
.tabs__panel p { font-size: 1rem; line-height: 1.65; color: var(--c-neutral-600); max-width: 70ch; }
.participant-qual {
  margin-top: var(--space-3);
  font-size: 0.9rem;
  color: var(--c-neutral-500);
  font-style: italic;
}

/* ---------- Product suite ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-3);
}
.product {
  background: var(--c-neutral-0);
  border: 1px solid var(--c-neutral-200);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.product:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.product__head { display: flex; align-items: center; gap: 0.65rem; margin-bottom: var(--space-2); }
.product__icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--c-primary-700);
  color: var(--c-accent-300);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.product__icon svg { width: 22px; height: 22px; }
.product__name { font-size: 1.08rem; font-weight: 700; color: var(--c-primary-900); }
.product__body { font-size: 0.92rem; line-height: 1.6; color: var(--c-neutral-600); flex: 1; margin-bottom: var(--space-2); }
.product__foot { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); padding-top: var(--space-2); border-top: 1px solid var(--c-neutral-100); }
.product__demo {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-primary-500);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.product__demo:hover { color: var(--c-primary-400); }
.trust-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-success-600);
  background: rgba(31,138,76,0.08);
  border: 1px solid rgba(31,138,76,0.3);
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
}
.trust-mark svg { width: 13px; height: 13px; }

/* ---------- Capital / settlement ---------- */
.subhead {
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  font-weight: 700;
  color: var(--c-primary-900);
  margin: var(--space-4) 0 var(--space-2);
}
.section--dark .subhead, .section--dark-grad .subhead { color: var(--c-neutral-0); }
.body-copy { font-size: 1rem; line-height: 1.7; color: var(--c-neutral-600); max-width: 70ch; margin-bottom: var(--space-3); }
.section--dark .body-copy, .section--dark-grad .body-copy { color: var(--c-neutral-300); }
.genius-block {
  margin: var(--space-3) 0;
  padding: var(--space-3) var(--space-4);
  background: var(--c-neutral-0);
  border: 1px solid var(--c-neutral-200);
  border-left: 3px solid var(--c-primary-500);
  border-radius: var(--radius-md);
}
.genius-block p { font-size: 0.96rem; line-height: 1.65; color: var(--c-neutral-700); }
.genius-block p + p { margin-top: 0.6rem; }
.required-qual {
  margin: var(--space-3) 0;
  padding: var(--space-3);
  background: rgba(232,148,26,0.08);
  border: 1px solid var(--c-warning-400);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--c-neutral-700);
  line-height: 1.6;
}
.planned-tag {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-warning-600);
  background: rgba(232,148,26,0.1);
  border: 1px solid var(--c-warning-400);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  margin-bottom: var(--space-3);
}

/* ---------- Comparison table ---------- */
.compare {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-4);
}
.compare th, .compare td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--c-neutral-200);
  font-size: 0.94rem;
}
.compare thead th {
  background: var(--c-primary-800);
  color: var(--c-neutral-0);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}
.compare thead th:first-child { width: 28%; }
.compare tbody td:first-child {
  font-weight: 600;
  color: var(--c-primary-900);
  background: var(--c-neutral-100);
}
.compare tbody tr:nth-child(even) td { background: var(--c-neutral-50); }
.compare tbody tr:nth-child(even) td:first-child { background: var(--c-neutral-100); }
.compare__cell--bad { color: var(--c-neutral-600); }
.compare__cell--good { color: var(--c-success-600); font-weight: 500; }
.compare-wrap { overflow-x: auto; }

/* ---------- Pilot ---------- */
.pilot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.pilot-card {
  background: var(--c-neutral-0);
  border: 1px solid var(--c-neutral-200);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  text-align: center;
  font-weight: 600;
  color: var(--c-primary-800);
  font-size: 0.95rem;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition);
}
.pilot-card:hover { border-color: var(--c-accent-500); }

/* ---------- FAQ accordion ---------- */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--c-neutral-200);
  border-radius: var(--radius-md);
  background: var(--c-neutral-0);
  margin-bottom: var(--space-1);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--c-primary-900);
  cursor: pointer;
  list-style: none;
  min-height: 56px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  width: 18px; height: 18px;
  flex-shrink: 0;
  background: var(--c-neutral-300);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round'><path d='M6 9l6 6 6-6'/></svg>") center / contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round'><path d='M6 9l6 6 6-6'/></svg>") center / contain no-repeat;
  transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item summary:hover { background: var(--c-neutral-50); }
.faq-item__answer {
  padding: 0 var(--space-3) var(--space-3);
  font-size: 0.96rem;
  line-height: 1.65;
  color: var(--c-neutral-600);
}
.faq-item__answer a { font-weight: 600; }

/* ---------- Final CTA ---------- */
.final-cta {
  text-align: center;
  padding-block: clamp(3.5rem, 8vw, 6rem);
}
.final-cta__heading {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-neutral-0);
  max-width: 20ch;
  margin: 0 auto var(--space-3);
}
.final-cta__copy {
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.65;
  color: var(--c-neutral-200);
  max-width: 64ch;
  margin: 0 auto var(--space-4);
}
.final-cta__row { display: flex; flex-wrap: wrap; gap: var(--space-2); justify-content: center; align-items: center; margin-bottom: var(--space-3); }
.final-cta__note { font-size: 0.88rem; color: var(--c-neutral-400); margin-bottom: var(--space-3); }
.final-cta__marks { display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: center; align-items: center; margin-top: var(--space-4); }
.final-cta__attr { font-size: 0.9rem; color: var(--c-neutral-400); }

/* ---------- Footer ---------- */
.footer {
  background: var(--c-primary-900);
  color: var(--c-neutral-300);
  padding-block: var(--space-6) var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-5);
}
.footer__brand { display: flex; flex-direction: column; gap: 0.4rem; }
.footer__brand-name { font-size: 1.3rem; font-weight: 700; color: var(--c-neutral-0); }
.footer__brand-parent { font-size: 0.88rem; color: var(--c-neutral-400); }
.footer__tagline { font-size: 0.92rem; color: var(--c-neutral-300); margin-top: 0.5rem; font-style: italic; }
.footer__parent-note { font-size: 0.82rem; color: var(--c-neutral-500); margin-top: 0.25rem; }
.footer__col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-neutral-400);
  margin-bottom: var(--space-2);
}
.footer__col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer__col a { color: var(--c-neutral-300); font-size: 0.92rem; }
.footer__col a:hover { color: var(--c-neutral-0); }
.footer__col a .ext { opacity: 0.7; margin-left: 0.2rem; }
.footer__bottom {
  max-width: var(--container-max);
  margin: var(--space-4) auto 0;
  padding: var(--space-3) var(--container-pad);
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  font-size: 0.85rem;
  color: var(--c-neutral-500);
}
.footer__direct-note { font-style: italic; }

/* ---------- Mobile nav drawer ---------- */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--c-primary-900);
  z-index: 99;
  padding: var(--header-h) var(--container-pad) var(--space-4);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
  visibility: hidden;
}
.mobile-nav.is-open { transform: translateX(0); visibility: visible; }
.mobile-nav__links { display: flex; flex-direction: column; gap: 0.25rem; }
.mobile-nav__links a {
  display: block;
  padding: 0.9rem 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-neutral-100);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-nav__links a:hover { color: var(--c-neutral-0); }
.mobile-nav__cta { margin-top: var(--space-3); display: flex; flex-direction: column; gap: var(--space-2); }
.mobile-nav__note { font-size: 0.82rem; color: var(--c-neutral-400); margin-top: 0.5rem; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; gap: var(--space-5); }
  .hero__visual { order: -1; }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: var(--space-4); }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
  .nav__links, .nav__cta .btn { display: none; }
  .nav-toggle { display: flex; }
  .principles { grid-template-columns: 1fr; }
  .decision-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .footer__inner { grid-template-columns: 1fr; }
  .pathway__track { flex-direction: column; align-items: stretch; }
  .path-connector { width: 2px; height: 16px; min-width: 0; margin-inline: auto; }
  .path-connector::after {
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 6px solid var(--c-accent-300);
    right: 50%; top: 100%; transform: translateX(50%);
  }
  .path-node { flex-direction: row; gap: var(--space-2); justify-content: flex-start; }
  .path-node__label { text-align: left; }
  .cred-card { grid-template-columns: auto 1fr; }
  .cred-card__badge { grid-column: 1 / -1; width: fit-content; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn-row .btn { width: 100%; }
  .hero__cta-row { flex-direction: column; align-items: stretch; }
  .hero__cta-row .btn { width: 100%; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}