:root {
  --bg: #0b0d12;
  --bg-alt: #121622;
  --card: #151a28;
  --text: #f5f7ff;
  --muted: #a6b0c3;
  --accent: #7c5cff;
  --accent-2: #28d7a7;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 24px 60px rgba(4, 8, 20, 0.6);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 96px;
  --max-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at top, rgba(124, 92, 255, 0.12), transparent 45%), var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

button {
  font: inherit;
  border: none;
  background: none;
  color: inherit;
  cursor: pointer;
}

.container {
  width: min(var(--max-width), 90vw);
  margin: 0 auto;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: var(--space-sm);
}

.section-heading h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin: 0;
}

.section {
  padding: var(--space-2xl) 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  gap: 10px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 18px 40px rgba(124, 92, 255, 0.35);
}

.btn-secondary {
  background: var(--bg-alt);
  border: 1px solid var(--border);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: rgba(8, 10, 16, 0.85);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
}

.logo {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: var(--space-md);
}

.nav-link {
  color: var(--muted);
  font-weight: 500;
}

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

.nav-cta {
  display: none;
}

.nav-toggle {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--border);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--text);
}

.hero {
  padding: var(--space-2xl) 0 var(--space-xl);
}

.hero-grid {
  display: grid;
  gap: var(--space-xl);
}

.hero-content h1 {
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  margin: var(--space-sm) 0 var(--space-md);
}

.lead {
  color: var(--muted);
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-md);
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-visual {
  position: relative;
  min-height: 320px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.glow {
  position: absolute;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(124, 92, 255, 0.35), transparent 70%);
  filter: blur(8px);
}

.mockup-card {
  width: min(420px, 92%);
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: var(--space-md);
  position: relative;
}

.mockup-header {
  display: flex;
  gap: 6px;
  margin-bottom: var(--space-md);
}

.mockup-header span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

.mockup-line {
  height: 10px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  margin-bottom: 12px;
}

.mockup-line.wide {
  height: 14px;
  width: 70%;
}

.mockup-cta {
  height: 32px;
  width: 50%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 999px;
  margin: var(--space-md) 0;
}

.mockup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.mockup-grid div {
  height: 60px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
}

.trust {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(10, 12, 19, 0.6);
}

.trust-grid {
  display: grid;
  gap: var(--space-md);
}

.trust-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.trust-item h3 {
  margin: 0 0 8px;
}

.card-grid {
  display: grid;
  gap: var(--space-md);
}

.card {
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: var(--space-md);
  box-shadow: var(--shadow);
}

.card ul {
  padding-left: 18px;
  color: var(--muted);
}

.steps {
  display: grid;
  gap: var(--space-md);
}

.step {
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  border: 1px solid var(--border);
}

.step span {
  font-weight: 700;
  color: var(--accent);
}

.showcase {
  background: linear-gradient(120deg, rgba(124, 92, 255, 0.12), rgba(40, 215, 167, 0.08));
}

.showcase-grid {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

.benefits {
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0 0;
  display: grid;
  gap: var(--space-xs);
  color: var(--muted);
}

.benefits li::before {
  content: "•";
  color: var(--accent-2);
  margin-right: 8px;
}

.showcase-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.pulse {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(40, 215, 167, 0.3), transparent 70%);
  top: -60px;
  right: -40px;
}

.metric {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border);
}

.metric:last-child {
  border-bottom: none;
}

.accordion {
  display: grid;
  gap: 12px;
}

.accordion-trigger {
  width: 100%;
  text-align: left;
  background: var(--bg-alt);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
}

.accordion-panel {
  padding: 0 var(--space-md) var(--space-md);
  color: var(--muted);
}

.contact {
  background: rgba(12, 15, 24, 0.9);
}

.contact-grid {
  display: grid;
  gap: var(--space-lg);
}

.contact-form {
  display: grid;
  gap: var(--space-sm);
}

.form-row {
  display: grid;
  gap: 8px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--text);
}

.contact-aside {
  background: var(--card);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.contact-aside ul {
  padding-left: 18px;
  color: var(--muted);
  margin: var(--space-sm) 0 var(--space-md);
}

.hidden {
  position: absolute;
  left: -9999px;
}

.btn-spinner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  display: none;
  animation: spin 1s linear infinite;
}

.btn.loading .btn-spinner {
  display: inline-block;
}

.btn.loading .btn-text {
  opacity: 0.7;
}

.form-note {
  min-height: 20px;
  color: var(--muted);
}

.footer {
  border-top: 1px solid var(--border);
  padding: var(--space-lg) 0;
}

.footer-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .hero-grid,
  .trust-grid,
  .card-grid,
  .steps,
  .showcase-grid,
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .steps {
    grid-template-columns: repeat(4, 1fr);
  }

  .nav-cta {
    display: inline-flex;
  }

  .footer-grid {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (max-width: 900px) {
  .nav-links {
    position: absolute;
    top: 100%;
    right: 5%;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    flex-direction: column;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

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

  .nav-cta {
    display: none;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}