:root {
  --dv-bg: #050509;
  --dv-bg-alt: #0b0b12;
  --dv-surface: #15151f;
  --dv-surface-soft: #1c1c28;
  --dv-border-subtle: rgba(255, 255, 255, 0.06);
  --dv-primary: #ff4b5c;
  --dv-primary-soft: rgba(255, 75, 92, 0.15);
  --dv-text: #f9fafb;
  --dv-muted: #9ca3af;
  --dv-radius-lg: 20px;
  --dv-radius-md: 14px;
  --dv-radius-pill: 999px;
  --dv-shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.55);
  --dv-gap: 20px;
  --dv-shell-width: 1120px;
  --dv-duration-fast: 0.18s;
  --dv-duration: 0.28s;
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Inter', sans-serif;
  background: radial-gradient(circle at top, #181820 0, #050509 55%);
  color: var(--dv-text);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

.dv-shell {
  width: 100%;
  max-width: var(--dv-shell-width);
  margin: 0 auto;
  padding-inline: 20px;
}

.dv-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 5, 9, 0.95), rgba(5, 5, 9, 0.75));
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.dv-header-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 14px;
}

.dv-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dv-logo {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 12px 25px rgba(0, 0, 0, 0.6);
}

.dv-brand-text {
  display: flex;
  flex-direction: column;
}

.dv-brand-title {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.dv-brand-tagline {
  font-size: 11px;
  color: var(--dv-muted);
}

.dv-nav {
  display: flex;
  gap: 22px;
  font-size: 14px;
}

.dv-nav a {
  color: var(--dv-muted);
  position: relative;
  padding-block: 4px;
  transition: color var(--dv-duration-fast) ease;
}

.dv-nav a::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  bottom: -4px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #ff9a5c, var(--dv-primary));
  transform-origin: center;
  transform: scaleX(0);
  transition: transform var(--dv-duration-fast) ease;
}

.dv-nav a:hover {
  color: #e5e7eb;
}

.dv-nav a:hover::after {
  transform: scaleX(1);
}

.dv-nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 6px;
  flex-direction: column;
  gap: 4px;
}

.dv-nav-toggle span {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: #e5e7eb;
}

.dv-hero {
  padding: 32px 0 40px;
}

.dv-hero-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.dv-hero-copy h1 {
  font-size: clamp(2.4rem, 3vw + 1rem, 3.2rem);
  line-height: 1.05;
  margin: 0 0 18px;
}

.dv-hero-copy p {
  margin: 0 0 20px;
  color: var(--dv-muted);
  max-width: 520px;
}

.dv-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.dv-btn {
  border-radius: var(--dv-radius-pill);
  padding: 10px 20px;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background var(--dv-duration-fast) ease, border-color var(--dv-duration-fast) ease,
    transform var(--dv-duration-fast) ease, box-shadow var(--dv-duration-fast) ease, color var(--dv-duration-fast) ease;
}

.dv-btn-primary {
  background: radial-gradient(circle at top left, #ff9a5c, var(--dv-primary));
  color: #111827;
  font-weight: 600;
  box-shadow: 0 16px 35px rgba(0, 0, 0, 0.65);
}

.dv-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.8);
}

.dv-btn-ghost {
  border-color: rgba(148, 163, 184, 0.4);
  color: #e5e7eb;
  background: rgba(15, 23, 42, 0.4);
}

.dv-btn-ghost:hover {
  border-color: rgba(148, 163, 184, 0.9);
  background: rgba(15, 23, 42, 0.7);
}

.dv-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 11px;
  color: var(--dv-muted);
}

.dv-hero-meta span {
  padding: 4px 9px;
  border-radius: var(--dv-radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(15, 23, 42, 0.6);
}

.dv-hero-visual {
  display: flex;
  justify-content: center;
}

.dv-gauge-card {
  background: radial-gradient(circle at top, #1f1f2b, #101019);
  border-radius: var(--dv-radius-lg);
  padding: 26px 22px 22px;
  box-shadow: var(--dv-shadow-soft);
  border: 1px solid rgba(255, 255, 255, 0.04);
  max-width: 320px;
  width: 100%;
}

.dv-gauge {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto 8px;
}

.dv-gauge-arc {
  position: absolute;
  inset: 18px;
  border-radius: 999px;
  border: 10px solid rgba(31, 41, 55, 0.85);
  border-top-color: #10b981;
  border-right-color: #facc15;
  border-bottom-color: #f97316;
  border-left-color: var(--dv-primary);
  transform: rotate(-135deg);
}

.dv-gauge-needle {
  position: absolute;
  inset: 35px;
  border-radius: 999px;
  border: 1px solid rgba(31, 41, 55, 0.9);
  background: radial-gradient(circle at center, #111827, #020617);
}

.dv-gauge-center {
  position: absolute;
  inset: 63px;
  border-radius: 999px;
  background: radial-gradient(circle at top, rgba(248, 250, 252, 0.08), rgba(15, 23, 42, 0.9));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.dv-gauge-value {
  font-size: 40px;
  font-weight: 700;
}

.dv-gauge-unit {
  font-size: 13px;
  color: var(--dv-muted);
}

.dv-gauge-label {
  margin-top: 2px;
  font-size: 11px;
  color: #fbbf24;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.dv-gauge-scale {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--dv-muted);
  margin-bottom: 6px;
}

.dv-gauge-caption {
  margin: 0;
  font-size: 12px;
  color: var(--dv-muted);
}

.dv-section {
  padding: 40px 0;
}

.dv-section-alt {
  background: radial-gradient(circle at top, rgba(55, 65, 81, 0.15), rgba(17, 24, 39, 0.85));
}

.dv-section-header {
  margin-bottom: 22px;
}

.dv-section-header h2 {
  margin: 0 0 8px;
  font-size: 22px;
}

.dv-section-header p {
  margin: 0;
  color: var(--dv-muted);
  max-width: 520px;
}

.dv-grid {
  display: grid;
  gap: var(--dv-gap);
}

.dv-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.dv-card {
  background: rgba(15, 23, 42, 0.9);
  border-radius: var(--dv-radius-md);
  padding: 16px 16px 18px;
  border: 1px solid var(--dv-border-subtle);
}

.dv-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.dv-card p {
  margin: 0;
  color: var(--dv-muted);
  font-size: 14px;
}

.dv-two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr);
  gap: var(--dv-gap);
  align-items: flex-start;
}

.dv-steps {
  padding-left: 18px;
  margin: 0;
  display: grid;
  gap: 6px;
  color: var(--dv-muted);
  font-size: 14px;
}

.dv-steps strong {
  color: #e5e7eb;
  font-weight: 600;
}

.dv-pill-card,
.dv-privacy-pill {
  background: linear-gradient(135deg, rgba(248, 250, 252, 0.05), rgba(15, 23, 42, 0.95));
  border-radius: var(--dv-radius-lg);
  padding: 18px 18px 20px;
  border: 1px solid rgba(249, 250, 251, 0.06);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
}

.dv-pill-card h3,
.dv-privacy-pill h3 {
  margin: 0 0 8px;
}

.dv-bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
  color: var(--dv-muted);
  font-size: 14px;
}

.dv-bullets li {
  padding-left: 20px;
  position: relative;
  margin-bottom: 4px;
}

.dv-bullets li::before {
  content: '•';
  position: absolute;
  left: 4px;
  color: var(--dv-primary);
}

.dv-muted {
  font-size: 13px;
  color: var(--dv-muted);
}

.dv-link {
  font-size: 13px;
  color: #fbbf24;
  text-decoration: none;
}

.dv-link:hover {
  text-decoration: underline;
}

.dv-list-cards {
  display: grid;
  gap: 14px;
}

.dv-card-inline {
  background: rgba(15, 23, 42, 0.9);
  border-radius: var(--dv-radius-md);
  padding: 14px 16px 16px;
  border: 1px solid var(--dv-border-subtle);
}

.dv-card-inline h3 {
  margin: 0 0 4px;
  font-size: 15px;
}

.dv-card-inline p {
  margin: 0 0 6px;
  font-size: 13px;
  color: var(--dv-muted);
}

.dv-download {
  text-align: left;
}

.dv-download-cta {
  margin-top: 18px;
}

.dv-store-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 10px 16px;
  border-radius: var(--dv-radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.8);
  font-size: 14px;
  gap: 2px;
}

.dv-store-badge small {
  font-size: 11px;
  color: var(--dv-muted);
}

.dv-store-badge--soon {
  cursor: default;
  opacity: 0.85;
}

.dv-footer {
  border-top: 1px solid rgba(31, 41, 55, 0.9);
  background: rgba(3, 7, 18, 0.95);
  margin-top: auto;
}

.dv-footer-shell {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 12px;
  font-size: 12px;
  color: var(--dv-muted);
}

.dv-footer-links {
  display: flex;
  gap: 12px;
}

.dv-footer-links a {
  color: var(--dv-muted);
}

.dv-footer-links a:hover {
  color: #e5e7eb;
}

/* Sub page layout */

.dv-page {
  padding: 32px 0 40px;
}

.dv-page-card {
  background: rgba(15, 23, 42, 0.96);
  border-radius: var(--dv-radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.3);
  padding: 22px 18px 22px;
  box-shadow: var(--dv-shadow-soft);
}

.dv-page-header {
  margin-bottom: 16px;
}

.dv-page-header h1 {
  margin: 0 0 6px;
  font-size: 22px;
}

.dv-page-header p {
  margin: 0;
  color: var(--dv-muted);
  font-size: 13px;
}

.dv-page h2 {
  font-size: 16px;
  margin: 20px 0 6px;
}

.dv-page p,
.dv-page li {
  font-size: 14px;
  line-height: 1.6;
  color: var(--dv-muted);
}

.dv-page ul {
  padding-left: 20px;
}

/* Responsive */

@media (max-width: 880px) {
  .dv-hero-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .dv-hero-visual {
    order: -1;
  }

  .dv-two-col {
    grid-template-columns: minmax(0, 1fr);
  }

  .dv-grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .dv-nav {
    position: fixed;
    top: 56px;
    right: 16px;
    left: 16px;
    border-radius: var(--dv-radius-lg);
    background: rgba(15, 23, 42, 0.98);
    border: 1px solid rgba(31, 41, 55, 0.9);
    flex-direction: column;
    gap: 0;
    padding: 8px 10px;
    transform-origin: top;
    transform: scaleY(0.7);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dv-duration-fast) ease, transform var(--dv-duration-fast) ease;
  }

  .dv-nav a {
    padding: 8px 10px;
    border-radius: var(--dv-radius-md);
  }

  .dv-nav a::after {
    display: none;
  }

  .dv-header-shell {
    padding-block: 10px;
  }

  .dv-nav-toggle {
    display: inline-flex;
  }

  .dv-nav-open .dv-nav {
    opacity: 1;
    transform: scaleY(1);
    pointer-events: auto;
  }
}