:root {
  --bg: #121212;
  --surface: #1e1e1e;
  --surface-2: #2d2d30;
  --primary: #0078d7;
  --primary-hover: #1084ea;
  --text: #ffffff;
  --muted: #cccccc;
  --subtle: #aaaaaa;
  --line: #3e3e42;
  --ok: #28a745;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  background: radial-gradient(circle at top right, #1b2430 0%, var(--bg) 42%);
  color: var(--text);
}

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

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(18, 18, 18, 0.78);
  border-bottom: 1px solid rgba(62, 62, 66, 0.6);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.2px;
}

nav {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  padding: 12px 18px;
  font-weight: 600;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

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

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

.btn-outline {
  border-color: var(--line);
  color: var(--muted);
}

.btn-outline:hover,
.btn-ghost:hover {
  border-color: var(--primary);
  color: #fff;
}

.btn-ghost {
  border-color: var(--line);
  color: var(--muted);
  background: transparent;
}

.hero {
  padding: 72px 0 34px;
}

.hero-grid {
  display: grid;
  gap: 30px;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
}

.eyebrow {
  color: var(--subtle);
  font-weight: 600;
  margin: 0 0 12px;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4.7vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-text {
  color: var(--muted);
  max-width: 60ch;
  line-height: 1.6;
  margin-bottom: 24px;
}

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

.mini-metrics {
  margin-top: 22px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--subtle);
  font-size: 0.92rem;
}

.mini-metrics strong {
  color: #fff;
}

.card {
  background: linear-gradient(180deg, rgba(45, 45, 48, 0.72), rgba(30, 30, 30, 0.9));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}

.preview {
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.preview-top {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #4d4d4d;
}

.preview h3 {
  margin-top: 0;
}

.preview ul {
  margin: 0 0 16px;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.status-line {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  color: var(--subtle);
  font-size: 0.9rem;
}

.badge {
  color: #fff;
  background: rgba(0, 120, 215, 0.3);
  border: 1px solid rgba(0, 120, 215, 0.8);
  padding: 4px 8px;
  border-radius: 999px;
}

.progress {
  height: 8px;
  background: #151515;
  border-radius: 999px;
  border: 1px solid #2f2f2f;
  overflow: hidden;
}

.progress span {
  display: block;
  height: 100%;
  width: 68%;
  background: linear-gradient(90deg, var(--primary), var(--ok));
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.2);
  }
}

.section {
  padding: 68px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.01), rgba(255, 255, 255, 0.02));
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

h2 {
  margin-top: 0;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
}

.section-sub {
  color: var(--subtle);
  margin-bottom: 22px;
}

.steps,
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

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

.step-number {
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.card p {
  color: var(--muted);
  line-height: 1.58;
}

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

details summary {
  cursor: pointer;
  font-weight: 600;
}

details p {
  margin-bottom: 0;
}

.cta-box {
  text-align: center;
  background: linear-gradient(120deg, rgba(0, 120, 215, 0.2), rgba(16, 132, 234, 0.08));
  border: 1px solid rgba(0, 120, 215, 0.55);
  border-radius: 18px;
  padding: 34px 22px;
}

.cta-box p {
  color: var(--muted);
  margin-bottom: 20px;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 16px;
}

.footer-row {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--subtle);
  font-size: 0.92rem;
}

.footer-row div {
  display: flex;
  gap: 14px;
}

.footer-row a:hover {
  color: #fff;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

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

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

  nav {
    display: none;
  }
}