:root {
  --paper: #F6F8F4;
  --surface: #FFFFFF;
  --ink: #1C2A24;
  --ink-soft: #56655C;
  --rule: #CBD6CE;
  --rule-strong: #9FAFA4;
  --accent: #2F6B4F;
  --accent-dark: #1F4D38;
  --accent-hover: #275940;
  --accent-ink: #FFFFFF;
  --font-serif: 'IBM Plex Serif', Georgia, serif;
  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
}

.wordmark {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* CABECERA */
.cabecera {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 48px;
  max-width: 1100px;
  margin: 0 auto;
}
.cabecera .wordmark { font-size: 18px; }

.enlace-ingresar {
  font-size: 14px;
  color: var(--ink-soft);
  text-decoration: none;
}
.enlace-ingresar:hover { color: var(--accent); }

/* HERO */
.hero {
  background: var(--accent-dark);
  color: var(--accent-ink);
  padding: 90px 48px 100px;
}

.hero-contenido {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 42px;
  line-height: 1.2;
  margin: 0 0 24px;
  letter-spacing: -0.015em;
}

.hero-texto {
  font-size: 17px;
  line-height: 1.65;
  color: #D7E3DC;
  margin: 0 0 36px;
}

.hero-acciones {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.btn-hero {
  display: inline-block;
  background: var(--accent-ink);
  color: var(--accent-dark);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 30px;
  text-decoration: none;
}
.btn-hero:hover { background: #E9F0EB; }

.enlace-secundario {
  color: #B9CCC0;
  font-size: 14px;
  text-decoration: none;
}
.enlace-secundario:hover { color: var(--accent-ink); }

/* SERVICIOS */
.servicios {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 48px;
}

.servicios h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 28px;
  margin: 0 0 40px;
  text-align: center;
}

.grid-servicios {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tarjeta-servicio {
  background: var(--surface);
  border-top: 3px solid var(--accent);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}

.numero-servicio {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--rule-strong);
  font-weight: 600;
  margin-bottom: 12px;
}

.tarjeta-servicio h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 19px;
  margin: 0 0 12px;
}

.tarjeta-servicio p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 24px;
  flex: 1;
}

.btn-tarjeta {
  align-self: flex-start;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
}
.btn-tarjeta:hover { color: var(--accent-hover); border-color: var(--accent-hover); }

/* PIE */
.pie {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 48px 48px;
  border-top: 1px solid var(--rule);
}
.pie .wordmark { font-size: 15px; }
.pie a {
  font-size: 13px;
  color: var(--ink-soft);
  text-decoration: none;
}
.pie a:hover { color: var(--accent); }

@media (max-width: 720px) {
  .cabecera, .hero, .servicios, .pie { padding-left: 24px; padding-right: 24px; }
  .hero { padding-top: 64px; padding-bottom: 72px; }
  .hero h1 { font-size: 30px; }
  .grid-servicios { grid-template-columns: 1fr; }
  .pie { flex-direction: column; gap: 8px; align-items: flex-start; }
}