:root {
  --color-accent: #ecad0a;
  --color-primary: #209dd7;
  --color-secondary: #753991;
  --color-navy: #032147;
  --color-gray: #888888;
  --color-bg: #f4f6f9;
  --color-white: #ffffff;
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-navy);
  background: var(--color-bg);
  line-height: 1.6;
}

.landing-header {
  border-bottom: 1px solid rgb(236 173 10 / 0.2);
  background: var(--color-white);
}

.landing-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 72rem;
  margin: 0 auto;
  padding: 1rem 1.5rem;
}

.landing-logo {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-navy);
  text-decoration: none;
}

.landing-logo span {
  color: var(--color-primary);
}

.landing-nav a.cta-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

.landing-nav a.cta-link:hover {
  text-decoration: underline;
}

.hero {
  max-width: 72rem;
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  margin-bottom: 1rem;
  border-radius: 999px;
  background: rgb(236 173 10 / 0.15);
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-navy);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.hero h1 .highlight {
  color: var(--color-primary);
}

.hero p {
  max-width: 36rem;
  margin: 0 auto 2rem;
  font-size: 1.125rem;
  color: var(--color-gray);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.btn-launch {
  display: inline-flex;
  align-items: center;
  border: none;
  border-radius: 0.5rem;
  background: var(--color-secondary);
  padding: 0.875rem 1.75rem;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
  box-shadow: 0 4px 14px rgb(117 57 145 / 0.3);
}

.btn-launch:hover {
  background: rgb(117 57 145 / 0.9);
  transform: translateY(-1px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  border: 2px solid var(--color-primary);
  border-radius: 0.5rem;
  background: transparent;
  padding: 0.8125rem 1.625rem;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: background 0.15s;
}

.btn-outline:hover {
  background: rgb(32 157 215 / 0.08);
}

.features {
  max-width: 72rem;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.features h2 {
  margin: 0 0 2rem;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  border-radius: 0.75rem;
  background: var(--color-white);
  padding: 1.5rem;
  box-shadow: 0 4px 14px rgb(3 33 71 / 0.06);
  border-top: 3px solid var(--color-accent);
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
}

.feature-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-gray);
}

.preview {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.preview-inner {
  overflow: hidden;
  border-radius: 0.75rem;
  background: var(--color-white);
  box-shadow: 0 8px 30px rgb(3 33 71 / 0.1);
}

.preview-bar {
  display: flex;
  gap: 0.375rem;
  background: var(--color-navy);
  padding: 0.75rem 1rem;
}

.preview-dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background: rgb(255 255 255 / 0.25);
}

.preview-dot.accent {
  background: var(--color-accent);
}

.preview-columns {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding: 1.25rem;
  background: var(--color-bg);
}

.preview-column {
  width: 10rem;
  flex-shrink: 0;
  border-radius: 0.5rem;
  background: var(--color-white);
  box-shadow: 0 2px 8px rgb(3 33 71 / 0.06);
}

.preview-column-header {
  border-top: 3px solid var(--color-accent);
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.preview-card {
  margin: 0.5rem;
  border-radius: 0.375rem;
  background: rgb(136 136 136 / 0.08);
  padding: 0.5rem;
  font-size: 0.6875rem;
  color: var(--color-gray);
}

.landing-footer {
  border-top: 1px solid rgb(136 136 136 / 0.2);
  padding: 1.5rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-gray);
}

.landing-footer a {
  color: var(--color-primary);
  text-decoration: none;
}

@media (max-width: 640px) {
  .hero {
    padding-top: 2.5rem;
  }

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

  .btn-launch,
  .btn-outline {
    justify-content: center;
  }
}