:root {
  --bg: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #161616;
  --border: #222222;
  --border-hover: #333333;
  --text-primary: #f0f0f0;
  --text-secondary: #888888;
  --text-tertiary: #555555;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-subtle: #1e3a5f;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --sans: "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "DM Mono", "JetBrains Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.65;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 50% 10%, rgba(37, 99, 235, 0.18), transparent 34rem),
    linear-gradient(180deg, #0a0a0a 0%, #0a0a0a 100%);
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

.page {
  overflow: hidden;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 96px 0;
  border-top: 1px solid rgba(34, 34, 34, 0.68);
}

.section-header {
  width: min(780px, 100%);
  margin: 0 auto 36px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1,
h2,
h3,
.wordmark {
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 {
  max-width: 930px;
  margin: 0 auto;
  font-size: clamp(44px, 6vw, 70px);
  line-height: 0.96;
}

h2 {
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1.02;
}

h3 {
  font-size: 28px;
  line-height: 1.14;
}

.lead {
  color: var(--text-secondary);
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.8;
}

.site-nav {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  transition: background 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease;
}

.site-nav.is-scrolled {
  border-bottom: 1px solid rgba(34, 34, 34, 0.9);
  background: rgba(10, 10, 10, 0.78);
  backdrop-filter: blur(18px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.logo {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(23, 139, 255, 0.18);
}

.logo img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
}

.wordmark {
  font-size: 24px;
  white-space: nowrap;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.language-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(17, 17, 17, 0.82);
}

.lang-btn {
  min-width: 38px;
  height: 32px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease;
}

.lang-btn:hover,
.lang-btn.is-active {
  background: var(--bg-card);
  color: var(--text-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: var(--border-hover);
  background: var(--bg-card);
}

.btn-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

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

.btn-outline {
  background: rgba(10, 10, 10, 0.5);
}

.btn-large {
  min-height: 52px;
  padding: 0 24px;
  font-size: 15px;
}

.hero {
  position: relative;
  display: flex;
  min-height: 100vh;
  align-items: center;
  padding: 118px 0 78px;
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 82%);
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.08;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.hero-content {
  width: 100%;
  text-align: center;
}

.hero-subtitle {
  width: min(820px, 100%);
  margin: 24px auto 0;
  color: var(--text-secondary);
  font-size: clamp(16px, 1.9vw, 20px);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin: 34px 0 22px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 42px;
  color: var(--text-secondary);
  font-size: 13px;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(34, 34, 34, 0.82);
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.64);
}

.requirements-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: 18px;
  align-items: stretch;
}

.requirements-panel,
.requirements-recommended {
  padding: 30px;
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.requirement-item {
  min-height: 118px;
  padding: 18px;
  border: 1px solid rgba(34, 34, 34, 0.9);
  border-radius: 10px;
  background: rgba(10, 10, 10, 0.42);
}

.requirement-label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.requirement-value {
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.7;
}

.requirement-note {
  display: block;
  margin-top: 6px;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.6;
}

.recommended-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.requirements-recommended {
  border-color: rgba(37, 99, 235, 0.5);
  background:
    radial-gradient(circle at 100% 0%, rgba(37, 99, 235, 0.16), transparent 45%),
    var(--bg-card);
}

.requirements-recommended h3 {
  margin-bottom: 18px;
  font-size: 26px;
}

.recommended-list {
  display: grid;
  gap: 12px;
  color: var(--text-secondary);
}

.recommended-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.recommended-list li::before {
  color: var(--success);
  content: "✓";
}

.terminal {
  width: min(820px, 100%);
  margin: 34px auto 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(22, 22, 22, 0.96), rgba(12, 12, 12, 0.96));
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.38);
  text-align: left;
}

.terminal-bar {
  display: flex;
  gap: 7px;
  align-items: center;
  height: 38px;
  padding: 0 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(17, 17, 17, 0.9);
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--text-tertiary);
}

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

.dot:nth-child(2) {
  background: var(--warning);
}

.dot:nth-child(3) {
  background: var(--success);
}

.terminal-body {
  padding: 26px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.9;
}

.code-label {
  color: var(--text-tertiary);
}

.spoken {
  color: var(--text-primary);
}

.terminal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 18px;
}

.terminal-output {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(10, 10, 10, 0.52);
}

.bad {
  color: #ff7777;
}

.good {
  color: #66e3ad;
}

.problem-copy {
  width: min(800px, 100%);
  margin: 0 auto 28px;
  color: var(--text-secondary);
  text-align: center;
}

.comparison-wrap {
  width: min(920px, 100%);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-secondary);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 14px;
}

th,
td {
  padding: 18px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

tr:last-child td {
  border-bottom: 0;
}

th {
  color: var(--text-primary);
  font-weight: 500;
  background: rgba(22, 22, 22, 0.8);
}

td {
  color: var(--text-secondary);
}

.cell-bad {
  background: rgba(239, 68, 68, 0.08);
  color: #ff9b9b;
}

.cell-good {
  color: #88e6bd;
}

.closing-line {
  width: min(760px, 100%);
  margin: 24px auto 0;
  color: var(--text-primary);
  text-align: center;
}

.video-card {
  position: relative;
  display: grid;
  width: min(940px, 100%);
  aspect-ratio: 16 / 9;
  place-items: center;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 16px;
  background:
    radial-gradient(circle at center, rgba(37, 99, 235, 0.14), transparent 35%),
    linear-gradient(135deg, #161616 0%, #0d0d0d 100%);
}

.video-card video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-fallback {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  padding: 24px;
  text-align: center;
}

.play-button {
  display: grid;
  width: 76px;
  height: 76px;
  place-items: center;
  margin: 0 auto 18px;
  border: 1px solid rgba(37, 99, 235, 0.58);
  border-radius: 50%;
  background: var(--accent);
  color: white;
  font-size: 30px;
  line-height: 1;
  box-shadow: 0 0 0 10px rgba(37, 99, 235, 0.08);
}

.caption {
  color: var(--text-secondary);
  font-size: 14px;
}

.features-grid,
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-hover);
  background: #181818;
}

.feature-card {
  padding: 28px;
}

.feature-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 22px;
  border: 1px solid rgba(37, 99, 235, 0.35);
  border-radius: 10px;
  background: rgba(37, 99, 235, 0.08);
  font-size: 20px;
}

.feature-card h3 {
  margin-bottom: 12px;
  font-size: 26px;
}

.feature-card p,
.testimonial-card p,
.faq-answer {
  color: var(--text-secondary);
}

.full-table {
  overflow-x: auto;
}

.full-table table {
  min-width: 820px;
}

.full-table th:nth-child(2),
.full-table td:nth-child(2) {
  border-left: 2px solid var(--accent);
  background: rgba(37, 99, 235, 0.055);
  color: var(--text-primary);
}

.footnotes {
  width: min(920px, 100%);
  margin: 18px auto 0;
  color: var(--text-tertiary);
  font-size: 12px;
}

.pricing-card {
  width: min(480px, 100%);
  margin: 0 auto;
  padding: 34px;
  border-color: rgba(37, 99, 235, 0.42);
  box-shadow: 0 24px 80px rgba(37, 99, 235, 0.08);
}

.pricing-kicker {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--accent);
  font-weight: 500;
}

.price {
  margin: 22px 0 4px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 76px;
  line-height: 0.9;
  letter-spacing: -0.04em;
}

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

.check-list {
  display: grid;
  gap: 10px;
  margin: 28px 0;
  padding: 0;
  list-style: none;
  color: var(--text-secondary);
}

.check-list li::before {
  margin-right: 10px;
  color: var(--success);
  content: "✓";
}

.pricing-actions {
  display: grid;
  gap: 12px;
}

.pricing-note {
  width: min(680px, 100%);
  margin: 24px auto 0;
  color: var(--text-secondary);
  text-align: center;
}

.scarcity-note {
  margin-top: 10px;
  color: var(--text-primary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 940px;
  margin: 0 auto;
}

.pricing-tier {
  position: relative;
  padding: 32px 28px;
}

.pricing-tier--featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 24px 80px rgba(37, 99, 235, 0.12);
}

.tier-badge {
  position: absolute;
  top: 22px;
  right: 22px;
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  pointer-events: none;
}

.tier-name {
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tier-price {
  margin-bottom: 4px;
  color: var(--text-primary);
  font-family: var(--sans);
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}

.tier-price--sale {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.tier-price-old {
  color: var(--text-tertiary);
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.03em;
  text-decoration: line-through;
  text-decoration-color: var(--text-secondary);
  text-decoration-thickness: 2px;
}

.tier-period {
  color: var(--text-secondary);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0;
}

.tax-note {
  margin: 0 0 14px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
  line-height: 1.5;
}

.tier-desc {
  margin: 8px 0 20px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.testimonial-card {
  position: relative;
  padding: 32px;
}

.quote-mark {
  color: var(--accent);
  font-family: var(--sans);
  font-size: 80px;
  font-weight: 300;
  line-height: 0.7;
}

.attribution {
  margin-top: 22px;
  color: var(--text-primary);
  font-size: 13px;
}

.attribution span {
  display: block;
  color: var(--text-tertiary);
}

.faq-list {
  width: min(820px, 100%);
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 0;
  border: 0;
  background: transparent;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
}

.faq-question span:first-child {
  font-weight: 500;
}

.faq-toggle {
  display: grid;
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  place-items: center;
  color: var(--accent);
  transition: transform 180ms ease;
}

.faq-answer {
  display: none;
  padding: 0 44px 24px 0;
}

.faq-item.is-open .faq-answer {
  display: block;
}

.faq-item.is-open .faq-toggle {
  transform: rotate(45deg);
}

.site-footer {
  padding: 56px 0;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 42px;
  color: var(--text-secondary);
}

.footer-brand {
  margin-bottom: 8px;
  color: var(--text-primary);
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 600;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-links a:hover,
.mail-link:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 36px;
  color: var(--text-tertiary);
  font-size: 13px;
}

.footer-langs {
  display: flex;
  gap: 16px;
}

@media (max-width: 768px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .section {
    padding: 64px 0;
  }

  .nav-inner {
    min-height: 66px;
  }

  .wordmark {
    font-size: 21px;
  }

  .nav-actions {
    gap: 8px;
  }

  .site-nav .btn {
    display: none;
  }

  .language-switcher {
    padding: 3px;
  }

  .lang-btn {
    min-width: 34px;
    height: 30px;
    font-size: 12px;
  }

  .hero {
    min-height: auto;
    padding: 100px 0 56px;
  }

  .hero-actions,
  .trust-row {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .btn,
  .trust-item {
    width: 100%;
  }

  .terminal-body {
    padding: 18px;
    font-size: 12px;
  }

  .terminal-grid,
  .features-grid,
  .testimonials-grid,
  .requirements-layout,
  .requirements-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .requirements-panel,
  .requirements-recommended {
    padding: 22px;
  }

  .requirement-item {
    min-height: auto;
  }

  th,
  td {
    padding: 14px;
    font-size: 12px;
  }

  .comparison-wrap:not(.full-table) table,
  .comparison-wrap:not(.full-table) thead,
  .comparison-wrap:not(.full-table) tbody,
  .comparison-wrap:not(.full-table) th,
  .comparison-wrap:not(.full-table) td,
  .comparison-wrap:not(.full-table) tr {
    display: block;
  }

  .comparison-wrap:not(.full-table) thead {
    display: none;
  }

  .comparison-wrap:not(.full-table) td {
    border-bottom: 0;
  }

  .comparison-wrap:not(.full-table) tr {
    border-bottom: 1px solid var(--border);
  }

  .comparison-wrap:not(.full-table) tr:last-child {
    border-bottom: 0;
  }

  .comparison-wrap:not(.full-table) td::before {
    display: block;
    margin-bottom: 6px;
    color: var(--text-tertiary);
    font-size: 11px;
    text-transform: uppercase;
    content: attr(data-label);
  }

  .pricing-card {
    padding: 26px;
  }

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

  .price {
    font-size: 64px;
  }

  .tier-price {
    font-size: 48px;
  }

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