:root {
  --bg: #f1f5fb;
  --text: #0f172a;
  --muted: #475569;
  --header: #0f5ea8;
  --footer: #0f5ea8;
  --accent: #1976d2;
  --accent-strong: #0b5fb3;
  --card: #ffffff;
  --border: rgba(15, 23, 42, 0.12);
}

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

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

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

.container {
  width: min(1100px, 90%);
  margin: 0 auto;
}

.site-header {
  background: linear-gradient(120deg, #0f5ea8, #1a79d8);
  color: #f8fafc;
  padding: 18px 0;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.2);
}

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

.logo {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.4px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.logo-text {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  letter-spacing: 0.2px;
}

.logo-brand {
  background: linear-gradient(90deg, #22d3ee, #38bdf8, #a855f7);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.logo-tld {
  color: #93c5fd;
  font-weight: 600;
}

.logo-icon {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg {
  width: 100%;
  height: 100%;
}

.nav-cta {
  background: #f8fafc;
  color: #1b3b6f;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  color: #e2e8f0;
  font-weight: 500;
}

.nav-links a {
  opacity: 0.9;
}

.nav-links a:hover {
  opacity: 1;
}

.hero {
  padding: 80px 0 70px;
}

.hero-content {
  display: grid;
  gap: 18px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 3px;
  color: #1e3a8a;
  font-weight: 600;
  font-size: 12px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.15;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 22px;
  font-weight: 600;
  border: 1px solid transparent;
}

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

.btn.ghost {
  border-color: var(--accent-strong);
  color: var(--accent-strong);
}

.btn.whatsapp {
  background: #25d366;
  color: #0f172a;
}

.section {
  padding: 70px 0;
}

.section.alt {
  background: #eef2ff;
}

.section h2 {
  font-size: clamp(24px, 4vw, 32px);
  margin-bottom: 24px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  border-radius: 16px;
  padding: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
}

.card h3 {
  margin-bottom: 8px;
}

.card-link {
  display: block;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 26px rgba(15, 23, 42, 0.14);
}

.tagline {
  margin-top: 18px;
  color: var(--muted);
  font-style: italic;
}

.intro-text {
  margin-bottom: 14px;
  color: var(--muted);
}

.project-owner {
  margin-top: 18px;
  font-weight: 700;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.project-owner span {
  display: inline-flex;
  transition: transform 0.2s ease, color 0.2s ease;
  color: #1d4ed8;
}

.project-owner span:hover {
  transform: translateY(-2px) rotate(-2deg) scale(1.08);
  color: #a855f7;
}

.cta {
  background: #dbeafe;
}

.cta-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: #fff;
  border-radius: 18px;
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.08);
}

.chat-embed {
  margin-top: 16px;
  width: 100%;
  max-width: 520px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #f8fafc;
}

.chat-embed iframe {
  display: block;
  width: 100%;
  height: 420px;
  border: 0;
}

.steps {
  margin-left: 18px;
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.price-card {
  background: #fff;
  border-radius: 18px;
  padding: 22px;
  border: 1px solid var(--border);
  display: grid;
  gap: 12px;
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.08);
}

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

.price-card .price {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent-strong);
}

.price-contact {
  font-size: 14px;
  color: var(--muted);
}

.price-contact a {
  color: var(--accent-strong);
  font-weight: 600;
}

.price-card.featured {
  border-color: rgba(29, 78, 216, 0.5);
  background: #eff6ff;
}

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

.faq details {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
}

.faq summary {
  font-weight: 600;
  cursor: pointer;
}

.faq p {
  margin-top: 8px;
  color: var(--muted);
}

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

.module-list details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 18px;
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
}

.module-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  font-weight: 600;
}

.module-list summary::-webkit-details-marker {
  display: none;
}

.module-name {
  font-size: 16px;
}

.module-short {
  color: var(--muted);
  font-weight: 500;
  font-size: 14px;
}

.module-list p {
  margin-top: 10px;
  color: var(--muted);
}

.module-list img {
  margin-top: 12px;
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  display: block;
}

.module-list pre {
  margin-top: 10px;
  background: #0f172a;
  color: #e2e8f0;
  padding: 12px 14px;
  border-radius: 12px;
  overflow-x: auto;
  font-size: 14px;
}

.hero-visual img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.08);
  display: block;
}

.version-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.version-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
}

.version-card h3 {
  font-size: 24px;
  color: var(--accent-strong);
  margin-bottom: 6px;
}

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

.version-label {
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #0f5ea8;
  margin-bottom: 6px;
  font-weight: 600;
}

.news-ticker {
  background: #0f172a;
  color: #e2e8f0;
  overflow: hidden;
}

.news-ticker .container {
  padding: 10px 0;
}

.ticker-track {
  display: inline-flex;
  gap: 40px;
  white-space: nowrap;
  animation: ticker-scroll 18s linear infinite;
  font-size: 14px;
}

.ticker-track span {
  padding-right: 40px;
}

.news-ticker:hover .ticker-track {
  animation-play-state: paused;
}

@keyframes ticker-scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.site-footer {
  background: linear-gradient(120deg, #0f5ea8, #2b8be6);
  color: #e2e8f0;
  padding: 30px 0;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
}

.footer-credit {
  width: 100%;
  text-align: center;
  font-size: 13px;
  color: #e2e8f0;
}

.footer-credit a {
  color: #e2e8f0;
  text-decoration: none;
}

@media (max-width: 720px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
    gap: 10px;
  }

  .hero {
    padding: 60px 0 50px;
  }

  .hero-actions {
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .news-ticker .container {
    padding: 8px 0;
  }

  .ticker-track {
    font-size: 12px;
    gap: 28px;
  }

  .card {
    padding: 16px;
  }

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