/* --- Variables --- */
:root {
  --bg: #f8f9fc;
  --bg-elevated: #ffffff;
  --bg-hero: #0f172a;
  --ink: #0f172a;
  --ink-muted: #475569;
  --ink-hero: #f1f5f9;
  --border: #e2e8f0;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: #eff6ff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.05);
  --font: "DM Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --space: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --container-max: 72rem;
  --container-padding: 1.5rem;
}

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

html {
  font-size: 100%;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  background: var(--bg);
}

/* --- Container (alineación global) --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* --- Header --- */
.header {
  width: 100%;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--accent);
}

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

.nav-link {
  color: var(--ink-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
}

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

.nav-link--cta {
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: white;
  border-radius: var(--radius-sm);
}

.nav-link--cta:hover {
  background: var(--accent-hover);
  color: white;
}

/* --- Main --- */
main {
  width: 100%;
}

/* --- Hero --- */
.hero {
  position: relative;
  width: 100%;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  background: var(--bg-hero);
  color: var(--ink-hero);
  overflow: hidden;
}

.hero-inner {
  position: relative;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(37, 99, 235, 0.25), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(37, 99, 235, 0.08), transparent),
    radial-gradient(ellipse 50% 30% at 0% 80%, rgba(37, 99, 235, 0.06), transparent);
  pointer-events: none;
}

.hero-label {
  position: relative;
  margin: 0 0 var(--space);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #93c5fd;
}

.hero-title {
  position: relative;
  margin: 0 0 var(--space);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--ink-hero);
  max-width: 20ch;
}

.hero-desc {
  position: relative;
  margin: 0 0 var(--space-lg);
  font-size: 1.125rem;
  color: #94a3b8;
  max-width: 42ch;
  line-height: 1.6;
}

.hero-actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space);
  margin-bottom: var(--space-lg);
}

.hero-trust {
  position: relative;
  margin: 0;
  font-size: 0.8125rem;
  color: #64748b;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
}

.btn--primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 1px 3px rgba(37, 99, 235, 0.3);
}

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

.btn--secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--ink-hero);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn--large {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
}

/* --- Trust bar --- */
.trust-bar {
  width: 100%;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
}

.trust-bar-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-muted);
}

.trust-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

/* --- Section titles --- */
.section-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.section-desc {
  margin: 0 0 var(--space-xl);
  font-size: 1rem;
  color: var(--ink-muted);
  max-width: 36ch;
}

/* --- Features --- */
.features {
  width: 100%;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

.features .container {
  padding-top: 0;
  padding-bottom: 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.feature-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.feature-card:hover {
  box-shadow: var(--shadow);
  border-color: #cbd5e1;
}

.feature-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: var(--space);
  background: var(--accent-light);
  color: var(--accent);
  border-radius: var(--radius-sm);
}

.feature-card-title {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--ink);
}

.feature-card-text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* --- Code section --- */
.code-section {
  width: 100%;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

.code-section .container {
  padding-top: 0;
  padding-bottom: 0;
}

.code-section-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.code-section-header {
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--border);
  background: #fafafa;
}

.code-section-title {
  margin: 0 0 0.25rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--ink);
}

.code-section-desc {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ink-muted);
}

.code-section-desc code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  padding: 0.15em 0.4em;
  background: var(--border);
  border-radius: 4px;
}

.code-block-pre {
  margin: 0;
  padding: var(--space-xl);
  background: #0f172a;
  color: #e2e8f0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
}

.code-block-pre code {
  background: none;
  padding: 0;
}

.code-tag {
  color: #93c5fd;
}

.code-attr {
  color: #fcd34d;
}

.code-string {
  color: #86efac;
}

/* --- Included section --- */
.included-section {
  width: 100%;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
}

.included-section .container {
  padding-top: 0;
  padding-bottom: 0;
}

.included-section .section-title {
  padding: 0;
}

.included-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--ink-muted);
  font-size: 0.9375rem;
  line-height: 2;
}

.included-list li {
  margin-bottom: 0.25rem;
}

.included-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

/* --- CTA section --- */
.cta-section {
  width: 100%;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

.cta-section .container {
  padding-top: 0;
  padding-bottom: 0;
}

.cta-card {
  background: linear-gradient(135deg, var(--accent) 0%, #1d4ed8 100%);
  color: white;
  border-radius: var(--radius);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.cta-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 1.75rem);
  font-weight: 700;
  color: white;
  letter-spacing: -0.02em;
}

.cta-desc {
  margin: 0 0 var(--space-lg);
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 40ch;
  margin-left: auto;
  margin-right: auto;
}

.cta-card .btn--primary {
  background: white;
  color: var(--accent);
}

.cta-card .btn--primary:hover {
  background: #f1f5f9;
  color: var(--accent-hover);
}

/* --- Footer --- */
.footer {
  width: 100%;
  background: var(--ink);
  color: #94a3b8;
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.footer-inner {
  text-align: center;
}

.footer-brand {
  margin: 0 0 0.25rem;
  font-weight: 700;
  font-size: 0.9375rem;
  color: #e2e8f0;
}

.footer-tagline {
  margin: 0;
  font-size: 0.8125rem;
  color: #64748b;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

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

  .trust-bar-inner {
    gap: var(--space);
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
  }

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

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

  .btn--primary,
  .btn--secondary {
    width: 100%;
    max-width: 18rem;
  }

  .header-inner {
    padding-top: var(--space);
    padding-bottom: var(--space);
  }
}

@media (max-width: 480px) {
  .header {
    flex-wrap: wrap;
    gap: var(--space);
  }

  .nav {
    width: 100%;
    justify-content: flex-end;
  }

  .trust-bar-inner {
    flex-direction: column;
    align-items: center;
  }
}