:root {
  color-scheme: dark;
  --background: #08120f;
  --background-soft: #0d1a16;
  --surface: rgba(18, 37, 31, 0.78);
  --surface-strong: #132821;
  --line: rgba(218, 238, 229, 0.14);
  --text: #f7f4eb;
  --muted: #aebeb7;
  --accent: #8cf5cb;
  --accent-strong: #5fe1b3;
  --blue: #76b7ff;
  --warning: #f5d28c;
  --radius-small: 14px;
  --radius: 24px;
  --radius-large: 36px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  --content: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 82% 2%, rgba(91, 197, 158, 0.16), transparent 30rem),
    radial-gradient(circle at 6% 28%, rgba(89, 142, 215, 0.12), transparent 30rem),
    var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

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

.container {
  width: min(calc(100% - 40px), var(--content));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid rgba(218, 238, 229, 0.08);
  background: rgba(8, 18, 15, 0.78);
  backdrop-filter: blur(18px);
}

.navigation {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 760;
  letter-spacing: -0.02em;
}

.brand img {
  width: 38px;
  height: 38px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 0.94rem;
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--accent);
  color: #082018;
  font-weight: 760;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  background: #a5ffdc;
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.button-secondary:hover {
  border-color: rgba(140, 245, 203, 0.5);
  background: rgba(140, 245, 203, 0.08);
}

.hero {
  padding: 96px 0 72px;
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: 72px;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 18px currentColor;
  content: "";
}

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

h1 {
  max-width: 720px;
  margin-bottom: 24px;
  font-size: clamp(3.2rem, 7vw, 6.1rem);
  font-weight: 760;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

h1 span {
  display: block;
  color: var(--accent);
}

.hero-copy {
  max-width: 640px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.product-preview {
  position: relative;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  background: linear-gradient(145deg, rgba(31, 63, 52, 0.72), rgba(10, 22, 18, 0.88));
  box-shadow: var(--shadow);
}

.product-preview::before {
  position: absolute;
  z-index: -1;
  inset: -24px;
  border-radius: 50%;
  background: rgba(95, 225, 179, 0.12);
  filter: blur(52px);
  content: "";
}

.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 8px 18px;
  color: var(--muted);
  font-size: 0.78rem;
}

.preview-dots {
  display: flex;
  gap: 6px;
}

.preview-dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(247, 244, 235, 0.28);
}

.preview-panel {
  padding: 22px;
  border: 1px solid rgba(218, 238, 229, 0.1);
  border-radius: 26px;
  background: #0d1a16;
}

.preview-summary {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.preview-summary strong {
  display: block;
  font-size: 2rem;
  letter-spacing: -0.05em;
}

.preview-summary span,
.media-row small {
  color: var(--muted);
}

.status-pill {
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(140, 245, 203, 0.1);
  color: var(--accent);
  font-size: 0.73rem;
  font-weight: 800;
}

.media-list {
  display: grid;
  gap: 10px;
}

.media-row {
  display: grid;
  align-items: center;
  gap: 12px;
  padding: 13px;
  border: 1px solid rgba(218, 238, 229, 0.09);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.025);
  grid-template-columns: 42px 1fr auto;
}

.media-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 12px;
  background: rgba(118, 183, 255, 0.11);
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 850;
}

.media-row strong,
.media-row small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.media-row > div {
  min-width: 0;
}

.progress-track {
  width: 58px;
  height: 6px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
}

.progress-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
}

.progress-full {
  width: 100%;
}

.progress-mid {
  width: 68%;
}

.progress-low {
  width: 8%;
}

.section {
  padding: 84px 0;
}

.section-muted {
  border-block: 1px solid rgba(218, 238, 229, 0.08);
  background: rgba(255, 255, 255, 0.018);
}

.section-heading {
  display: grid;
  align-items: end;
  gap: 40px;
  margin-bottom: 42px;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.65fr);
}

.section-heading h2,
.cta-panel h2,
.legal-hero h1 {
  margin-bottom: 0;
  font-size: clamp(2.25rem, 5vw, 4rem);
  letter-spacing: -0.055em;
  line-height: 1.05;
}

.section-heading p {
  margin-bottom: 0;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
}

.feature-card {
  min-height: 280px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.feature-number {
  display: inline-grid;
  width: 40px;
  height: 40px;
  margin-bottom: 58px;
  place-items: center;
  border: 1px solid rgba(140, 245, 203, 0.25);
  border-radius: 12px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 850;
}

.feature-card h3 {
  margin-bottom: 10px;
  font-size: 1.3rem;
  letter-spacing: -0.025em;
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.workflow {
  display: grid;
  border-top: 1px solid var(--line);
}

.workflow-step {
  display: grid;
  gap: 30px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 76px minmax(220px, 0.6fr) minmax(280px, 1fr);
}

.workflow-step > span {
  color: var(--accent);
  font-weight: 800;
}

.workflow-step h3,
.workflow-step p {
  margin-bottom: 0;
}

.workflow-step p {
  color: var(--muted);
}

.principles {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, 1fr);
}

.principle {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.principle strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.principle p {
  margin: 0;
  color: var(--muted);
}

.cta-panel {
  display: grid;
  align-items: center;
  gap: 46px;
  padding: clamp(32px, 7vw, 72px);
  border: 1px solid rgba(140, 245, 203, 0.22);
  border-radius: var(--radius-large);
  background:
    linear-gradient(125deg, rgba(140, 245, 203, 0.12), transparent 55%),
    var(--surface-strong);
  grid-template-columns: 1fr auto;
}

.cta-panel p {
  max-width: 680px;
  margin: 18px 0 0;
  color: var(--muted);
}

.tariff-price {
  margin-top: 18px;
  color: var(--accent);
  font-size: 1rem;
}

.site-footer {
  padding: 42px 0;
  border-top: 1px solid rgba(218, 238, 229, 0.08);
}

.footer-grid {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
}

.footer-copy {
  max-width: 420px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 22px;
  color: var(--muted);
  font-size: 0.88rem;
}

.legal-main {
  min-height: calc(100vh - 220px);
}

.legal-hero {
  padding: 76px 0 36px;
}

.legal-hero h1 {
  max-width: 820px;
}

.legal-meta {
  margin-top: 18px;
  color: var(--muted);
}

.legal-layout {
  display: grid;
  gap: 56px;
  padding: 24px 0 96px;
  grid-template-columns: minmax(180px, 0.28fr) minmax(0, 0.72fr);
}

.legal-toc {
  position: sticky;
  top: 108px;
  align-self: start;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  color: var(--muted);
  font-size: 0.9rem;
}

.legal-toc strong,
.legal-toc a {
  display: block;
}

.legal-toc strong {
  margin-bottom: 10px;
  color: var(--text);
}

.legal-toc a + a {
  margin-top: 7px;
}

.legal-content section {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.legal-content h2 {
  margin-bottom: 14px;
  font-size: 1.45rem;
  letter-spacing: -0.025em;
}

.legal-content p,
.legal-content li {
  color: var(--muted);
}

.legal-content ul {
  padding-left: 20px;
}

.required-data {
  padding: 18px;
  border: 1px solid rgba(245, 210, 140, 0.3);
  border-radius: var(--radius-small);
  background: rgba(245, 210, 140, 0.06);
  color: #f6dfae;
}

.error-page {
  display: grid;
  min-height: 76vh;
  place-items: center;
  text-align: center;
}

.error-page strong {
  color: var(--accent);
  font-size: 5rem;
  letter-spacing: -0.06em;
}

.error-page p {
  color: var(--muted);
}

@media (max-width: 900px) {
  .nav-links a:not(.button),
  .product-preview::before {
    display: none;
  }

  .hero {
    padding-top: 68px;
  }

  .hero-grid,
  .section-heading,
  .cta-panel {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 52px;
  }

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

  .feature-card {
    min-height: 0;
  }

  .feature-number {
    margin-bottom: 34px;
  }

  .workflow-step {
    gap: 12px 22px;
    grid-template-columns: 42px 1fr;
  }

  .workflow-step p {
    grid-column: 2;
  }

  .legal-layout {
    grid-template-columns: 1fr;
  }

  .legal-toc {
    position: static;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 28px), var(--content));
  }

  .navigation {
    min-height: 68px;
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding: 56px 0 52px;
  }

  h1 {
    font-size: clamp(2.9rem, 15vw, 4.2rem);
  }

  .hero-actions .button {
    width: 100%;
  }

  .product-preview {
    padding: 10px;
    border-radius: 26px;
  }

  .preview-panel {
    padding: 16px;
  }

  .section {
    padding: 64px 0;
  }

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

  .cta-panel {
    border-radius: 26px;
  }

  .footer-grid {
    display: grid;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}