:root {
  --bg: #0b0f19;
  --surface: #111827;
  --surface-2: #1f2937;
  --primary: #2563eb;
  --primary-2: #7c3aed;
  --accent: #06b6d4;
  --text: #f9fafb;
  --muted: #9ca3af;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  font-size: 1.25rem;
}

.logo-icon {
  width: 36px;
  height: 36px;
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}

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

.btn:disabled {
  opacity: 0.6;
  cursor: wait;
  transform: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: white;
  box-shadow: 0 10px 20px -8px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-large {
  padding: 14px 28px;
  font-size: 1.05rem;
}

.hero {
  padding: 100px 0 140px;
  background: radial-gradient(ellipse at top, rgba(37, 99, 235, 0.15), transparent 60%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero h1 {
  font-size: 3.2rem;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--muted);
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

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

.device {
  width: 280px;
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  border-radius: 20px;
  padding: 16px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.device-top {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.device-screen {
  background: var(--bg);
  border-radius: 12px;
  padding: 20px;
  min-height: 180px;
}

.screen-line {
  height: 14px;
  background: var(--surface-2);
  border-radius: 6px;
  margin-bottom: 12px;
  width: 70%;
}

.screen-line.short {
  width: 45%;
}

.app-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 20px;
}

.app-card {
  aspect-ratio: 1;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(124, 58, 237, 0.2));
  border-radius: 10px;
  border: 1px solid var(--border);
}

.section-title {
  font-size: 2.25rem;
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  text-align: center;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 56px;
  font-size: 1.1rem;
}

.features {
  padding: 100px 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

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

.how {
  padding: 100px 0;
  background: var(--surface);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

.step {
  position: relative;
  padding: 32px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.step-number {
  position: absolute;
  top: -20px;
  left: 24px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-radius: 50%;
  font-weight: 800;
}

.step h3 {
  margin: 18px 0 10px;
}

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

.pricing {
  padding: 100px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.highlight {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary), var(--shadow);
}

.badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 20px;
}

.price-soon {
  font-size: 1.05rem;
  color: var(--muted);
  font-weight: 600;
}

.pricing-card ul {
  list-style: none;
  flex: 1;
}

.pricing-card li {
  color: var(--muted);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}

.notify-card {
  max-width: 560px;
  margin: 64px auto 0;
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  border: 1px solid var(--primary);
  box-shadow: 0 0 0 1px var(--primary), var(--shadow);
  border-radius: 20px;
  padding: 48px 40px 40px;
  position: relative;
  text-align: center;
}

.notify-card h3 {
  font-size: 1.6rem;
  margin-bottom: 10px;
}

.notify-lead {
  color: var(--muted);
  margin-bottom: 28px;
}

.notify-fields {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.notify-card input[type="email"],
.notify-card textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  resize: vertical;
  transition: border-color 0.2s;
}

.notify-card input[type="email"]:focus,
.notify-card textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.notify-card input::placeholder,
.notify-card textarea::placeholder {
  color: var(--muted);
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  text-align: left;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 20px;
  cursor: pointer;
}

.consent input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--primary);
  cursor: pointer;
}

.notify-msg {
  min-height: 1.5em;
  margin-top: 16px;
  font-weight: 600;
}

.notify-msg.ok {
  color: #34d399;
}

.notify-msg.err {
  color: #f87171;
}

.notify-small {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.85rem;
}

.cta {
  padding: 100px 0;
  background: radial-gradient(ellipse at bottom, rgba(124, 58, 237, 0.15), transparent 60%);
  text-align: center;
}

.cta-inner h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.cta-inner p {
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 32px;
  font-size: 1.1rem;
}

.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

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

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

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero-cta {
    justify-content: center;
  }

  .nav {
    display: none;
  }

  .notify-card {
    padding: 40px 24px 32px;
  }
}
