:root {
  --color-bg: #030712;
  --color-bg-alt: #050b1a;
  --color-surface: #070f24;
  --color-surface-soft: #0b1633;
  --color-border: rgba(148, 163, 184, 0.3);
  --color-primary: #46c1ff;
  --color-primary-soft: rgba(70, 193, 255, 0.12);
  --color-accent: #22e3b2;
  --color-text: #e5e7eb;
  --color-text-soft: #9ca3af;
  --color-danger: #f97373;
  --shadow-soft: 0 18px 60px rgba(15, 23, 42, 0.8);
  --radius-lg: 18px;
  --radius-pill: 999px;
  --transition-fast: 0.18s ease-out;
  --transition-med: 0.25s ease;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(circle at top left, #0b1220 0, #020617 55%, #020617 100%);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(2, 6, 23, 0.92), rgba(2, 6, 23, 0.7) 70%, transparent);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 20px;
}

.logo img {
  height: 40px;
}

.main-nav {
  display: flex;
  gap: 20px;
  font-size: 14px;
  color: var(--color-text-soft);
}

.main-nav a {
  position: relative;
  padding: 6px 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width var(--transition-fast);
}

.main-nav a:hover::after {
  width: 100%;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-tagline {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--transition-med),
    color var(--transition-med),
    border-color var(--transition-med),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #020617;
  box-shadow: 0 16px 40px rgba(56, 189, 248, 0.45);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 60px rgba(56, 189, 248, 0.6);
}

.btn-outline {
  border-color: rgba(148, 163, 184, 0.65);
  color: var(--color-text);
  background: rgba(15, 23, 42, 0.7);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.16), rgba(15, 23, 42, 0.9));
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-text-soft);
}

.btn-ghost:hover {
  color: var(--color-primary);
  background: rgba(15, 23, 42, 0.8);
}

.hero {
  padding: 56px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
  gap: 40px;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(28px, 3vw, 36px);
  line-height: 1.18;
  margin: 8px 0 16px;
}

.hero-kicker {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 11px;
  color: var(--color-primary);
}

.hero-subtitle {
  color: var(--color-text-soft);
  font-size: 15px;
  line-height: 1.6;
  max-width: 560px;
}

.hero-bullets {
  list-style: none;
  padding: 0;
  margin: 18px 0 24px;
  display: grid;
  gap: 8px;
}

.hero-bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--color-text-soft);
}

.hero-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--color-accent), var(--color-primary));
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.18);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

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

.hero-card {
  width: 100%;
  max-width: 380px;
  background:
    radial-gradient(circle at -10% -10%, rgba(34, 227, 178, 0.4), transparent 55%),
    radial-gradient(circle at 110% 120%, rgba(56, 189, 248, 0.5), transparent 55%),
    linear-gradient(145deg, #020617, #020617 30%, #020617 100%);
  border-radius: 24px;
  padding: 22px 22px 20px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: var(--shadow-soft);
}

.hero-logo {
  width: 180px;
  margin-bottom: 16px;
}

.hero-card-title {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 10px;
}

.hero-card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--color-text-soft);
}

.hero-card-list li {
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.45);
}

.section {
  padding: 48px 0;
}

.section-alt {
  background: radial-gradient(circle at top right, rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.95));
}

.section-title {
  font-size: 24px;
  margin-bottom: 24px;
  text-align: left;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
  gap: 32px;
  align-items: start;
}

.section p {
  font-size: 15px;
  color: var(--color-text-soft);
  line-height: 1.7;
}

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

.pill {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.pill h3 {
  font-size: 16px;
  margin: 0 0 6px;
}

.pill p {
  margin: 0;
  font-size: 14px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.card {
  padding: 18px 18px 16px;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.2), rgba(15, 23, 42, 0.95));
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.9);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 17px;
}

.card p {
  margin: 0 0 10px;
  font-size: 14px;
}

.card ul {
  margin: 0;
  padding-left: 18px;
  font-size: 13px;
  color: var(--color-text-soft);
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-soft);
}

.checklist li {
  position: relative;
  padding-left: 22px;
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.4fr);
  gap: 32px;
  align-items: start;
}

.contact-note {
  margin-top: 12px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px dashed rgba(148, 163, 184, 0.7);
  background: rgba(15, 23, 42, 0.85);
}

.contact-note ul {
  margin: 8px 0 0;
  padding-left: 18px;
  font-size: 13px;
  color: var(--color-text-soft);
}

.contact-form {
  padding: 18px 18px 16px;
  border-radius: 22px;
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.16), rgba(15, 23, 42, 0.98));
  border: 1px solid rgba(148, 163, 184, 0.7);
  box-shadow: var(--shadow-soft);
}

.form-row {
  margin-bottom: 14px;
}

.form-row label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--color-text-soft);
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 9px 11px;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: rgba(15, 23, 42, 0.96);
  color: var(--color-text);
  font: inherit;
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.7);
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: rgba(148, 163, 184, 0.65);
}

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 4px;
}

.form-hint {
  font-size: 12px;
  color: var(--color-text-soft);
}

.form-status {
  margin-top: 10px;
  font-size: 13px;
  min-height: 18px;
}

.form-status--success {
  color: var(--color-accent);
}

.form-status--error {
  color: var(--color-danger);
}

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  padding: 18px 0 22px;
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.9), #020617);
  color: var(--color-text-soft);
  font-size: 13px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

@media (max-width: 960px) {
  .header-content {
    flex-wrap: wrap;
    gap: 12px;
  }

  .main-nav {
    order: 3;
    width: 100%;
    justify-content: center;
  }

  .hero-grid,
  .section-grid,
  .contact-grid,
  .cards-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    padding-top: 36px;
  }

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

@media (max-width: 640px) {
  .header-content {
    padding-inline: 16px;
  }

  .header-cta {
    display: none;
  }

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

  .contact-form {
    padding: 16px 14px;
  }

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

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