/* ==========================================================================
   Copivia — Website Stylesheet
   Vanilla CSS. No frameworks, no external fonts, no third-party requests.
   ========================================================================== */

/* ---------------------------------------------------------------------- */
/* 1. Design tokens                                                        */
/* ---------------------------------------------------------------------- */

:root {
  /* Surfaces */
  --bg-base:        #070b14;
  --bg-gradient-a:  #0a1120;
  --bg-gradient-b:  #0d1526;
  --surface-1:      rgba(30, 41, 59, 0.45);
  --surface-2:      rgba(30, 41, 59, 0.65);
  --surface-border: rgba(148, 163, 184, 0.14);
  --surface-border-strong: rgba(148, 163, 184, 0.28);

  /* Text */
  --text-primary:   #f1f5f9;
  --text-secondary: #b6c2d4;
  --text-muted:     #7e8ba3;

  /* Accents */
  --accent-teal:      #2dd4bf;
  --accent-teal-dim:  #14b8a6;
  --accent-blue:      #38bdf8;
  --accent-blue-dim:  #0ea5e9;
  --accent-gradient:  linear-gradient(120deg, #2dd4bf 0%, #38bdf8 100%);
  --accent-glow:      rgba(45, 212, 191, 0.35);

  /* Status */
  --warn-amber: #fbbf24;
  --warn-bg:    rgba(251, 191, 36, 0.1);
  --warn-border: rgba(251, 191, 36, 0.35);

  /* Radii */
  --radius-sm: 0.6rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-card: 0 8px 30px rgba(2, 6, 15, 0.45);
  --shadow-card-hover: 0 16px 44px rgba(2, 6, 15, 0.6);
  --shadow-glow: 0 0 0 1px rgba(45, 212, 191, 0.25), 0 8px 30px rgba(45, 212, 191, 0.12);

  /* Layout */
  --max-width: 1180px;
  --nav-height: 72px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 180ms var(--ease-out);
  --transition-med:  320ms var(--ease-out);
}

/* ---------------------------------------------------------------------- */
/* 2. Reset & base                                                         */
/* ---------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-base);
  background-image:
    radial-gradient(60rem 32rem at 12% -10%, rgba(45, 212, 191, 0.14), transparent 60%),
    radial-gradient(50rem 30rem at 110% 10%, rgba(56, 189, 248, 0.12), transparent 55%),
    linear-gradient(180deg, var(--bg-gradient-a) 0%, var(--bg-base) 45%, var(--bg-gradient-b) 100%);
  background-attachment: fixed;
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

p { margin: 0; }

ul, ol { margin: 0; padding: 0; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

::selection {
  background: var(--accent-teal);
  color: #04121a;
}

:focus-visible {
  outline: 2px solid var(--accent-teal);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Utility container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

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

/* ---------------------------------------------------------------------- */
/* 3. Navigation                                                           */
/* ---------------------------------------------------------------------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(7, 11, 20, 0.55);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-med), background-color var(--transition-med);
}

.site-nav.is-scrolled {
  border-bottom-color: var(--surface-border);
  background: rgba(7, 11, 20, 0.82);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.nav-brand .logo-mark {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  position: relative;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--text-primary);
  background: var(--surface-1);
}

.nav-links a.is-active {
  color: var(--accent-teal);
  background: rgba(45, 212, 191, 0.1);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.15rem !important;
  border-radius: var(--radius-pill);
  background: var(--accent-gradient) !important;
  color: #04121a !important;
  font-weight: 650 !important;
  box-shadow: 0 6px 20px rgba(45, 212, 191, 0.25);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast) !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(45, 212, 191, 0.38);
  background: var(--accent-gradient) !important;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--surface-border);
  background: var(--surface-1);
}

.nav-toggle .bar {
  position: relative;
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle .bar::before,
.nav-toggle .bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle .bar::before { top: -6px; }
.nav-toggle .bar::after  { top: 6px; }

.nav-toggle[aria-expanded="true"] .bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .bar::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar::after  { transform: translateY(-6px) rotate(-45deg); }

/* ---------------------------------------------------------------------- */
/* 4. Buttons                                                              */
/* ---------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-pill);
  font-size: 0.98rem;
  font-weight: 650;
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.btn-primary {
  background: var(--accent-gradient);
  color: #04121a;
  box-shadow: 0 10px 30px rgba(45, 212, 191, 0.28);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(45, 212, 191, 0.4);
}

.btn-secondary {
  background: var(--surface-1);
  border: 1px solid var(--surface-border-strong);
  color: var(--text-primary);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: var(--surface-2);
  border-color: var(--accent-teal);
  transform: translateY(-3px);
}

.btn-block { width: 100%; }

/* ---------------------------------------------------------------------- */
/* 5. Layout sections                                                      */
/* ---------------------------------------------------------------------- */

main { display: block; }

.section {
  padding: 5.5rem 0;
}

.section-tight { padding: 3.5rem 0; }

.section-header {
  max-width: 640px;
  margin: 0 0 3rem;
}

.section-header.center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-teal);
  margin-bottom: 0.9rem;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-teal);
  box-shadow: 0 0 12px var(--accent-glow);
}

.section-header h2 {
  font-size: clamp(1.7rem, 2.6vw, 2.3rem);
  margin-bottom: 0.85rem;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.02rem;
}

/* ---------------------------------------------------------------------- */
/* 6. Hero                                                                  */
/* ---------------------------------------------------------------------- */

.hero {
  position: relative;
  padding: 6.5rem 0 5rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem 0.4rem 0.6rem;
  border-radius: var(--radius-pill);
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warn-amber);
  box-shadow: 0 0 10px rgba(251, 191, 36, 0.6);
}

.hero h1 {
  font-size: clamp(2.3rem, 4.4vw, 3.6rem);
  line-height: 1.08;
  margin-bottom: 1.4rem;
}

.hero h1 .gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lede {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 46ch;
  margin-bottom: 2.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 2.4rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.hero-meta li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.hero-meta svg { width: 16px; height: 16px; color: var(--accent-teal); flex-shrink: 0; }

/* Hero visual: mock dashboard card */
.hero-visual {
  position: relative;
}

.mock-window {
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(30, 41, 59, 0.75), rgba(15, 23, 42, 0.75));
  border: 1px solid var(--surface-border-strong);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(20px);
  overflow: hidden;
}

.mock-titlebar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.02);
}

.mock-titlebar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.35);
}

.mock-body { padding: 1.4rem; }

.mock-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
}

.mock-stat {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
}

.mock-stat .label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.mock-stat .value {
  font-size: 1.35rem;
  font-weight: 700;
}

.mock-stat .value.teal { color: var(--accent-teal); }
.mock-stat .value.blue { color: var(--accent-blue); }

.mock-bars {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  height: 90px;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
}

.mock-bars .bar {
  flex: 1;
  border-radius: 6px 6px 2px 2px;
  background: linear-gradient(180deg, var(--accent-teal), rgba(45, 212, 191, 0.15));
  opacity: 0.85;
}

/* Decorative glow blobs */
.glow-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.5;
  z-index: -1;
  pointer-events: none;
}

.glow-blob.teal {
  width: 22rem; height: 22rem;
  background: var(--accent-teal);
  top: -6rem; right: 8%;
  opacity: 0.16;
}

.glow-blob.blue {
  width: 18rem; height: 18rem;
  background: var(--accent-blue);
  bottom: -4rem; left: -4rem;
  opacity: 0.14;
}

/* ---------------------------------------------------------------------- */
/* 7. Cards                                                                 */
/* ---------------------------------------------------------------------- */

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

.card {
  position: relative;
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med), background-color var(--transition-med);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(45, 212, 191, 0.4);
  background: var(--surface-2);
  box-shadow: var(--shadow-card-hover);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: rgba(45, 212, 191, 0.12);
  color: var(--accent-teal);
  margin-bottom: 1.1rem;
  transition: background-color var(--transition-med), transform var(--transition-med);
}

.card-icon svg { width: 22px; height: 22px; }

.card:hover .card-icon {
  background: var(--accent-gradient);
  color: #04121a;
  transform: scale(1.06);
}

.card h3 {
  font-size: 1.08rem;
  margin-bottom: 0.55rem;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.94rem;
}

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}

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

/* ---------------------------------------------------------------------- */
/* 8. Split / two-column feature sections                                  */
/* ---------------------------------------------------------------------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.split.reverse .split-visual { order: 2; }
.split.reverse .split-copy   { order: 1; }

.split-copy .eyebrow { margin-bottom: 0.9rem; }

.split-copy h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  margin-bottom: 1rem;
}

.split-copy > p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  list-style: none;
  color: var(--text-secondary);
  font-size: 0.96rem;
}

.check-list .check-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 0.1rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(45, 212, 191, 0.14);
  color: var(--accent-teal);
}

.check-list .check-icon svg { width: 12px; height: 12px; }

.check-list strong { color: var(--text-primary); }

.split-visual .panel {
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card);
}

.panel-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--surface-border);
}

.panel-row:last-child { border-bottom: none; }

.panel-row .row-label {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.panel-row .row-label svg { width: 18px; height: 18px; color: var(--accent-teal); }

.panel-row .row-value {
  font-size: 0.85rem;
  font-weight: 650;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
}

.row-value.on {
  color: var(--accent-teal);
  background: rgba(45, 212, 191, 0.12);
}

.row-value.neutral {
  color: var(--text-muted);
  background: rgba(148, 163, 184, 0.1);
}

/* ---------------------------------------------------------------------- */
/* 9. Beta notice banner                                                   */
/* ---------------------------------------------------------------------- */

.beta-banner {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem 1.75rem;
  border-radius: var(--radius-lg);
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
}

.beta-banner .icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: rgba(251, 191, 36, 0.16);
  color: var(--warn-amber);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.beta-banner .icon svg { width: 22px; height: 22px; }

.beta-banner h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  color: #fde68a;
}

.beta-banner p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ---------------------------------------------------------------------- */
/* 10. Legal document links grid                                           */
/* ---------------------------------------------------------------------- */

.legal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}

.legal-card {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  transition: transform var(--transition-med), border-color var(--transition-med), background-color var(--transition-med);
}

.legal-card:hover {
  transform: translateY(-5px);
  border-color: rgba(56, 189, 248, 0.4);
  background: var(--surface-2);
}

.legal-card .card-icon {
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-blue);
}

.legal-card:hover .card-icon {
  background: linear-gradient(120deg, var(--accent-blue), var(--accent-teal));
  color: #04121a;
}

.legal-card h3 { font-size: 1rem; margin-bottom: 0.3rem; }
.legal-card p { font-size: 0.86rem; color: var(--text-secondary); flex-grow: 1; }

.legal-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 650;
  color: var(--accent-teal);
}

.legal-card .card-link svg {
  width: 14px; height: 14px;
  transition: transform var(--transition-fast);
}

.legal-card:hover .card-link svg { transform: translateX(3px); }

/* ---------------------------------------------------------------------- */
/* 11. Contact section / page                                              */
/* ---------------------------------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.contact-card {
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  backdrop-filter: blur(14px);
  transition: transform var(--transition-med), border-color var(--transition-med);
}

.contact-card:hover {
  transform: translateY(-5px);
  border-color: rgba(45, 212, 191, 0.4);
}

.contact-card .role {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-teal);
  margin-bottom: 0.6rem;
}

.contact-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
}

.contact-card .desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 1.1rem;
}

.contact-card .email-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid var(--surface-border);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
  word-break: break-all;
}

.contact-card .email-btn:hover {
  border-color: var(--accent-teal);
  background: rgba(45, 212, 191, 0.08);
  color: var(--accent-teal);
}

.contact-card .email-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.contact-note {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ---------------------------------------------------------------------- */
/* 12. Legal document page (converted Markdown)                            */
/* ---------------------------------------------------------------------- */

.legal-page-header {
  padding: 3.5rem 0 2rem;
  border-bottom: 1px solid var(--surface-border);
}

.legal-page-header .eyebrow { margin-bottom: 1rem; }

.legal-page-header h1 {
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  margin-bottom: 0.9rem;
}

.legal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.legal-meta .tag {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  color: var(--text-secondary);
}

.legal-meta .tag.status {
  color: var(--warn-amber);
  background: var(--warn-bg);
  border-color: var(--warn-border);
}

.legal-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 3rem;
  padding: 3rem 0 5rem;
  align-items: start;
}

.legal-toc {
  position: sticky;
  top: calc(var(--nav-height) + 1.5rem);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  max-height: calc(100vh - var(--nav-height) - 3rem);
  overflow-y: auto;
}

.legal-toc h2 {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
}

.legal-toc ol {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  counter-reset: toc;
}

.legal-toc a {
  display: block;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.legal-toc a:hover,
.legal-toc a.is-active {
  color: var(--accent-teal);
  background: rgba(45, 212, 191, 0.08);
}

.legal-doc {
  min-width: 0;
  padding: 2.25rem 2.5rem;
  border-radius: var(--radius-lg);
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
}

.legal-doc h1 { font-size: 1.7rem; margin: 0 0 1.2rem; }

.legal-doc h2 {
  font-size: 1.28rem;
  margin: 2.4rem 0 1rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--surface-border);
  scroll-margin-top: calc(var(--nav-height) + 1rem);
}

.legal-doc h2:first-of-type { border-top: none; padding-top: 0; margin-top: 0; }

.legal-doc h3 {
  font-size: 1.05rem;
  margin: 1.6rem 0 0.75rem;
  color: var(--accent-teal);
}

.legal-doc p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 0.98rem;
}

.legal-doc strong { color: var(--text-primary); font-weight: 650; }

.legal-doc em { color: var(--text-muted); font-style: italic; }

.legal-doc a {
  color: var(--accent-teal);
  text-decoration: underline;
  text-decoration-color: rgba(45, 212, 191, 0.35);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition-fast);
}

.legal-doc a:hover { text-decoration-color: var(--accent-teal); }

.legal-doc ul, .legal-doc ol {
  margin: 0 0 1.1rem;
  padding-left: 1.3rem;
  color: var(--text-secondary);
  font-size: 0.98rem;
}

.legal-doc ul { list-style: none; }

.legal-doc ul li {
  position: relative;
  padding-left: 1.3rem;
  margin-bottom: 0.55rem;
}

.legal-doc ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-teal);
  opacity: 0.7;
}

.legal-doc ol {
  list-style: decimal;
  padding-left: 1.5rem;
}

.legal-doc ol li { margin-bottom: 0.55rem; }

.legal-doc hr {
  border: none;
  border-top: 1px solid var(--surface-border);
  margin: 2.2rem 0;
}

.legal-doc code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.88em;
  padding: 0.15em 0.4em;
  border-radius: 0.35em;
  background: rgba(148, 163, 184, 0.14);
  color: #a5f3ec;
}

.legal-doc .table-wrap {
  overflow-x: auto;
  margin: 0 0 1.3rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
}

.legal-doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  min-width: 480px;
}

.legal-doc thead th {
  text-align: left;
  padding: 0.75rem 1rem;
  background: rgba(148, 163, 184, 0.08);
  color: var(--text-primary);
  font-weight: 650;
  border-bottom: 1px solid var(--surface-border);
  white-space: nowrap;
}

.legal-doc tbody td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--surface-border);
  color: var(--text-secondary);
  vertical-align: top;
}

.legal-doc tbody tr:last-child td { border-bottom: none; }

.legal-doc .doc-footnote {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--surface-border);
  font-size: 0.88rem;
  color: var(--text-muted);
  font-style: italic;
}

.legal-crosslinks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 3rem;
}

.legal-crosslinks a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.legal-crosslinks a:hover {
  color: var(--accent-teal);
  border-color: var(--accent-teal);
}

/* ---------------------------------------------------------------------- */
/* 13. Footer                                                              */
/* ---------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--surface-border);
  padding: 3.5rem 0 2.25rem;
  background: rgba(5, 8, 15, 0.6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.02rem;
  margin-bottom: 0.9rem;
}

.footer-brand .logo-mark { width: 26px; height: 26px; }

.footer-col p {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 32ch;
}

.footer-col h4 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  width: fit-content;
}

.footer-links a:hover { color: var(--accent-teal); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--surface-border);
  font-size: 0.83rem;
  color: var(--text-muted);
}

.footer-bottom .privacy-note {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.footer-bottom .privacy-note svg { width: 14px; height: 14px; color: var(--accent-teal); }

/* Back to top */
.back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--surface-border-strong);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-med), transform var(--transition-med), visibility var(--transition-med), border-color var(--transition-fast);
  z-index: 90;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
}

.back-to-top svg { width: 18px; height: 18px; }

/* ---------------------------------------------------------------------- */
/* 14. Responsive                                                          */
/* ---------------------------------------------------------------------- */

@media (max-width: 1080px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .legal-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 460px; margin-inline: auto; width: 100%; }
  .split, .split.reverse { grid-template-columns: 1fr; }
  .split .split-visual, .split.reverse .split-visual { order: -1; }
  .split .split-copy, .split.reverse .split-copy { order: 1; }
  .legal-layout { grid-template-columns: 1fr; }
  .legal-toc { position: static; max-height: none; }
}

@media (max-width: 780px) {
  :root { --nav-height: 64px; }

  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }

  .nav-links.is-open {
    display: flex;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 1rem 1.25rem 1.5rem;
    background: rgba(7, 11, 20, 0.97);
    border-bottom: 1px solid var(--surface-border);
  }

  .nav-links.is-open a { padding: 0.85rem 1rem; }
  .nav-links.is-open .nav-cta { margin-top: 0.5rem; text-align: center; justify-content: center; }

  .card-grid { grid-template-columns: 1fr; }
  .legal-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }

  .section { padding: 3.75rem 0; }
  .hero { padding: 3rem 0 3rem; }

  .legal-doc { padding: 1.5rem; }

  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .mock-stat-grid { grid-template-columns: 1fr 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
}