:root {
  --bg: #ffffff;
  --bg-alt: #f3f6f4;
  --text: #17201b;
  --muted: #55615a;
  --border: #dde4df;
  --accent: #15803d;
  --accent-strong: #116632;
  --accent-soft: #e3f3e8;
  --on-accent: #ffffff;
  --radius: 14px;
  --max: 1080px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1412;
    --bg-alt: #161d19;
    --text: #e7ede9;
    --muted: #a3b0a8;
    --border: #27322c;
    --accent: #34c46a;
    --accent-strong: #5ad386;
    --accent-soft: #173322;
    --on-accent: #08130c;
    color-scheme: dark;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
}

a {
  color: var(--accent);
}

a:hover {
  color: var(--accent-strong);
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 16px;
}

/* Encabezado */
.site-header {
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
  text-decoration: none;
}

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

.brand-mark {
  width: 32px;
  height: 32px;
  flex: none;
}

.site-nav {
  display: flex;
  gap: 20px;
}

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

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

@media (max-width: 560px) {
  .site-nav {
    display: none;
  }
}

/* Botones */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
  text-decoration: none;
}

.btn:hover {
  background: var(--accent-strong);
  color: var(--on-accent);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--bg-alt);
  color: var(--text);
}

/* Portada */
.hero {
  padding: 72px 0 64px;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.875rem;
  font-weight: 600;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero p.lead {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 1.15rem;
}

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

/* Conversación de ejemplo */
.chat {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-title {
  margin: 0 0 6px;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

.msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 0.95rem;
  line-height: 1.45;
}

.msg-in {
  align-self: flex-start;
  background: var(--bg);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.msg-out {
  align-self: flex-end;
  background: var(--accent-soft);
  border-bottom-right-radius: 4px;
}

.chat-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-self: flex-start;
}

.chat-buttons span {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

@media (max-width: 820px) {
  .hero {
    padding: 48px 0;
  }

  .hero .wrap {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

/* Secciones */
.section {
  padding: 64px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section h2 {
  margin: 0 0 8px;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  letter-spacing: -0.01em;
}

.section-intro {
  margin: 0 0 32px;
  color: var(--muted);
  max-width: 640px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 820px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.card h3 {
  margin: 12px 0 8px;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
}

.card-icon svg {
  width: 22px;
  height: 22px;
}

.steps {
  counter-reset: paso;
  list-style: none;
  margin: 0;
  padding: 0;
}

.steps li {
  counter-increment: paso;
  position: relative;
  padding-left: 52px;
}

.steps li::before {
  content: counter(paso);
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 700;
  display: grid;
  place-items: center;
}

.steps h3 {
  margin: 4px 0 6px;
}

.contact-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px;
  border-radius: 20px;
  background: var(--accent-soft);
}

.contact-box h2 {
  margin: 0 0 6px;
}

.contact-box p {
  margin: 0;
  color: var(--muted);
}

.contact-box a.email {
  overflow-wrap: anywhere;
}

/* Páginas legales */
.legal {
  padding: 48px 0 64px;
}

.legal .wrap {
  max-width: 780px;
}

.legal h1 {
  margin: 0 0 8px;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.2;
}

.legal .updated {
  margin: 0 0 32px;
  color: var(--muted);
  font-size: 0.95rem;
}

.legal h2 {
  margin: 36px 0 10px;
  font-size: 1.3rem;
}

.legal ul,
.legal ol {
  padding-left: 22px;
}

.legal li {
  margin-bottom: 6px;
}

.legal .data-box {
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-alt);
}

.legal .data-box p {
  margin: 4px 0;
}

/* Pie de página */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}

.site-footer p {
  margin: 2px 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--muted);
}