:root {
  --bg: #0b0714;
  --surface: #120a22;
  --surface-2: #160c2a;
  --card: rgba(255, 255, 255, 0.06);
  --card-strong: rgba(255, 255, 255, 0.09);
  --stroke: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.70);
  --faint: rgba(255, 255, 255, 0.55);
  --purple-1: #7c3aed;
  --purple-2: #a78bfa;
  --purple-3: #c4b5fd;
  --accent: #9b5cff;
  --success: #5be7c4;
  --danger: #ff6b8a;

  --shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
  --shadow-soft: 0 12px 40px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --radius-sm: 12px;

  --font-sans: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-display: "Space Grotesk", Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  --container: 1120px;
  --header-h: 72px;
}

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

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  background:
    radial-gradient(1200px 900px at 20% -20%, rgba(124, 58, 237, 0.35), transparent 60%),
    radial-gradient(900px 700px at 90% 10%, rgba(167, 139, 250, 0.25), transparent 55%),
    radial-gradient(1000px 900px at 40% 120%, rgba(155, 92, 255, 0.22), transparent 55%),
    linear-gradient(180deg, var(--bg), #07040d);
  color: var(--text);
  line-height: 1.55;
}

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

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

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0.75rem;
  padding: 0.6rem 0.9rem;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid var(--stroke);
  border-radius: 999px;
  transform: translateY(-140%);
  transition: transform 180ms ease;
  z-index: 1000;
}

.skip-link:focus {
  outline: none;
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(10, 6, 18, 0.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.75rem;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  width: 90px;
  height: auto;
}

.header-actions {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
}

.lang-toggle,
.nav-toggle {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--stroke);
  color: var(--text);
  border-radius: 999px;
  padding: 0.55rem 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
}

.lang-toggle:hover,
.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.10);
}

.lang-toggle:focus-visible,
.nav-toggle:focus-visible,
.nav-link:focus-visible,
.btn:focus-visible,
.accordion-trigger:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(167, 139, 250, 0.55);
  outline-offset: 3px;
}

.lang-pill {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  border: 1px solid rgba(167, 139, 250, 0.35);
  background: rgba(124, 58, 237, 0.18);
}

.lang-label {
  font-size: 0.92rem;
}

.nav-toggle {
  position: relative;
  padding-inline: 0.85rem;
}

.nav-toggle-text {
  font-size: 0.92rem;
}

.nav-toggle-icon {
  width: 18px;
  height: 2px;
  background: var(--text);
  position: relative;
  border-radius: 999px;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
  transition: transform 200ms ease, top 200ms ease, opacity 200ms ease;
}

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

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

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-nav {
  grid-column: 1 / -1;
  display: none;
  gap: 0.25rem;
  padding-bottom: 0.75rem;
}

.site-nav.is-open {
  display: grid;
}

.nav-link {
  padding: 0.85rem 0.9rem;
  border-radius: 12px;
  border: 1px solid transparent;
  color: var(--muted);
  font-weight: 600;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.10);
  color: var(--text);
}

.nav-link-cta {
  background: rgba(124, 58, 237, 0.18);
  border-color: rgba(167, 139, 250, 0.30);
  color: var(--text);
}

.header-progress {
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
}

.header-progress-bar {
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--purple-1), var(--purple-2), var(--purple-3));
}

.hero {
  padding: calc(2.5rem + 0.5rem) 0 2.5rem;
}

.hero-grid {
  display: grid;
  gap: 1.4rem;
}

.hero-copy {
  max-width: 64ch;
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--purple-3);
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.hero-title {
  font-family: var(--font-display);
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.78rem 1.05rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--purple-1), var(--accent));
  color: white;
  box-shadow: 0 10px 30px rgba(124, 58, 237, 0.22);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #6d28d9, #8b5cf6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--stroke);
  color: var(--text);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.10);
}

.hero-metrics {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.metric {
  padding: 0.9rem 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
}

.metric-label {
  margin: 0;
  color: var(--faint);
  font-size: 0.85rem;
  font-weight: 600;
}

.metric-value {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hero-panel {
  display: grid;
  align-items: start;
}

.panel-card {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.04));
  box-shadow: var(--shadow);
  padding: 1.1rem;
}

.panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(167, 139, 250, 0.35);
  background: rgba(124, 58, 237, 0.16);
  color: var(--purple-3);
  font-weight: 700;
  font-size: 0.85rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.85rem;
}

.code-card {
  border-radius: var(--radius-sm);
  background: rgba(10, 6, 18, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
  margin-bottom: 1rem;
}

.code-header {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
}

.code-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
}

.code-title {
  margin-left: 0.5rem;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.9rem;
}

.code-block {
  margin: 0;
  padding: 0.85rem 0.9rem 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.86);
  white-space: pre;
  overflow: auto;
}

.panel-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.8rem;
}

.panel-item {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 0.75rem;
  align-items: start;
  padding: 0.75rem 0.8rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.panel-icon {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.75), rgba(124, 58, 237, 0.55));
}

.panel-item-title {
  margin: 0 0 0.12rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.panel-item-desc {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  padding: 3.2rem 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.section-head {
  margin-bottom: 1.6rem;
  max-width: 76ch;
}

.section-head h2 {
  font-family: var(--font-display);
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 2.3vw, 2.05rem);
  letter-spacing: -0.02em;
}

.section-lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.about-grid {
  display: grid;
  gap: 1rem;
}

.card {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--card);
  box-shadow: var(--shadow-soft);
  padding: 1.1rem;
}

.card-soft {
  background: rgba(255, 255, 255, 0.05);
}

.card-title {
  font-family: var(--font-display);
  margin: 0 0 0.45rem;
  letter-spacing: -0.01em;
  font-size: 1.2rem;
}

.card-text {
  margin: 0;
  color: var(--muted);
}

.spacer-top {
  margin-top: 1.15rem;
}

.callout {
  margin-top: 1rem;
  padding: 0.9rem;
  border-radius: 14px;
  border: 1px solid rgba(167, 139, 250, 0.22);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.14), rgba(167, 139, 250, 0.08));
}

.callout-title {
  margin: 0 0 0.2rem;
  font-weight: 800;
}

.callout-text {
  margin: 0;
  color: var(--muted);
}

.value-list {
  list-style: none;
  padding: 0;
  margin: 0.6rem 0 0;
  display: grid;
  gap: 0.75rem;
}

.value-item {
  display: grid;
  gap: 0.15rem;
  padding: 0.75rem 0.8rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
}

.value-kicker {
  font-weight: 800;
}

.value-text {
  color: var(--muted);
  font-size: 0.96rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

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

.service-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.04));
}

.link {
  margin-top: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--purple-3);
  font-weight: 800;
}

.link:hover {
  color: white;
}

.cta-band {
  margin-top: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid rgba(167, 139, 250, 0.24);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.16), rgba(167, 139, 250, 0.09));
  padding: 1.1rem;
  display: grid;
  gap: 1rem;
  align-items: center;
}

.cta-band-title {
  font-family: var(--font-display);
  margin: 0 0 0.25rem;
  letter-spacing: -0.02em;
}

.cta-band-desc {
  margin: 0;
  color: var(--muted);
}

.accordion {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.10);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}

.accordion-item + .accordion-item {
  border-top: 1px solid rgba(255, 255, 255, 0.10);
}

.accordion-title {
  margin: 0;
}

.accordion-trigger {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  color: var(--text);
  padding: 1rem 1.05rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.accordion-trigger::after {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid rgba(255, 255, 255, 0.75);
  border-bottom: 2px solid rgba(255, 255, 255, 0.75);
  transform: rotate(45deg);
  transition: transform 180ms ease;
  flex: none;
}

.accordion-trigger[aria-expanded="true"]::after {
  transform: rotate(-135deg);
}

.accordion-panel {
  padding: 0 1.05rem 1rem;
  color: var(--muted);
}

.accordion-panel p {
  margin: 0;
}

.contact-grid {
  display: grid;
  gap: 1rem;
}

.contact-card {
  background: rgba(255, 255, 255, 0.05);
}

.form {
  margin-top: 0.75rem;
}

.field {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 0.95rem;
}

label {
  font-weight: 700;
  color: rgba(255, 255, 255, 0.86);
}

input,
textarea {
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(10, 6, 18, 0.55);
  color: var(--text);
  padding: 0.75rem 0.8rem;
  font: inherit;
}

textarea {
  resize: vertical;
  min-height: 132px;
}

input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.field-error {
  margin: 0;
  min-height: 1.1rem;
  font-size: 0.92rem;
  color: rgba(255, 107, 138, 0.95);
}

input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: rgba(255, 107, 138, 0.65);
  box-shadow: 0 0 0 4px rgba(255, 107, 138, 0.14);
}

.form-actions {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.4rem;
}

.form-note {
  margin: 0;
  color: var(--faint);
  font-size: 0.92rem;
}

.form-success {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 14px;
  border: 1px solid rgba(91, 231, 196, 0.28);
  background: rgba(91, 231, 196, 0.08);
}

.success-title {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.success-text {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}

.contact-aside .info-list {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.8rem;
}

.info-item {
  padding: 0.75rem 0.8rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
  display: grid;
  gap: 0.2rem;
}

.info-kicker {
  font-weight: 800;
}

.info-text {
  color: var(--muted);
}

.disclaimer {
  margin-top: 1rem;
  padding: 0.9rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.12);
}

.disclaimer-title {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
}

.disclaimer-text {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  padding: 2.2rem 0;
}

.footer-grid {
  display: grid;
  gap: 1.25rem;
  align-items: start;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.4rem;
}

.footer-name {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.footer-meta,
.footer-info,
.legal-note,
.copyright {
  margin: 0.2rem 0 0;
  color: var(--muted);
}

.footer-links {
  display: grid;
  gap: 0.45rem;
}

.footer-link {
  padding: 0.35rem 0.2rem;
  color: var(--muted);
  font-weight: 700;
  border-radius: 10px;
  width: fit-content;
}

.footer-link:hover {
  color: var(--text);
}

@media (min-width: 780px) {
  .header-inner {
    grid-template-columns: auto 1fr auto;
    gap: 1rem;
  }

  .site-nav {
    grid-column: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.25rem;
    padding: 0;
  }

  .nav-toggle {
    display: none;
  }

  .hero {
    padding: 4rem 0 3.2rem;
  }

  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 1.6rem;
    align-items: start;
  }

  .about-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 1.2rem;
  }

  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-band {
    grid-template-columns: 1fr auto;
  }

  .contact-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 1.2rem;
    align-items: start;
  }

  .footer-grid {
    grid-template-columns: 1.2fr 0.6fr 1fr;
  }
}

@media (min-width: 1040px) {
  .cards-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}