@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  --verde: #1a3d2b;
  --verde-med: #2d6142;
  --verde-claro: #4a8c60;
  --verde-suave: #c8dfd0;
  --verde-palido: #eaf3ec;
  --crema: #f5f0e8;
  --tierra: #8a6f4d;
  --tierra-claro: #c4a882;
  --texto: #1a1a1a;
  --texto-medio: #4a4a4a;
  --texto-claro: #7a7a7a;
  --borde: rgba(26,61,43,0.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'DM Sans', sans-serif; color: var(--texto); background: #fcfaf6; overflow-x: hidden; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 3rem;
  background: rgba(252,250,246,0.93);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--borde);
}
.nav-logo { font-family: 'DM Serif Display', serif; font-size: 1.2rem; color: var(--verde); text-decoration: none; letter-spacing: -0.02em; }
.nav-logo span { display: block; font-family: 'DM Sans', sans-serif; font-size: 0.62rem; font-weight: 300; letter-spacing: 0.12em; text-transform: uppercase; color: var(--texto-claro); margin-top: -2px; }
.nav-links { display: flex; gap: 1.75rem; list-style: none; align-items: center; }
.nav-links a { font-size: 0.875rem; color: var(--texto-medio); text-decoration: none; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--verde); font-weight: 500; }
.nav-cta { background: var(--verde) !important; color: white !important; padding: 0.45rem 1.1rem !important; border-radius: 2rem !important; font-weight: 500 !important; transition: background 0.2s !important; }
.nav-cta:hover { background: var(--verde-med) !important; }

/* ── BOTONES ── */
.btn-primario { background: var(--verde); color: white; padding: 0.875rem 2rem; border-radius: 2rem; text-decoration: none; font-weight: 500; font-size: 0.9375rem; transition: background 0.2s, transform 0.15s; display: inline-block; }
.btn-primario:hover { background: var(--verde-med); transform: translateY(-1px); }
.btn-secundario { background: transparent; color: var(--verde); padding: 0.875rem 2rem; border-radius: 2rem; text-decoration: none; font-weight: 500; font-size: 0.9375rem; border: 1.5px solid var(--verde); transition: background 0.2s, transform 0.15s; display: inline-block; }
.btn-secundario:hover { background: var(--verde-palido); transform: translateY(-1px); }
.btn-blanco { background: white; color: var(--verde); padding: 0.875rem 2rem; border-radius: 2rem; text-decoration: none; font-weight: 500; font-size: 0.9375rem; transition: opacity 0.2s, transform 0.15s; display: inline-block; }
.btn-blanco:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-outline-blanco { background: transparent; color: white; padding: 0.875rem 2rem; border-radius: 2rem; text-decoration: none; font-weight: 500; font-size: 0.9375rem; border: 1.5px solid rgba(255,255,255,0.5); transition: background 0.2s, transform 0.15s; display: inline-block; }
.btn-outline-blanco:hover { background: rgba(255,255,255,0.1); transform: translateY(-1px); }

/* ── TIPOGRAFÍA ── */
.seccion-label { font-size: 0.7rem; font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; color: var(--verde-claro); margin-bottom: 0.75rem; display: block; }
.seccion-titulo { font-family: 'DM Serif Display', serif; font-size: clamp(1.875rem, 3.5vw, 2.75rem); line-height: 1.15; letter-spacing: -0.025em; color: var(--verde); margin-bottom: 1rem; }
.seccion-subtitulo { font-size: 1.0625rem; line-height: 1.75; color: var(--texto-medio); font-weight: 300; margin-bottom: 2.5rem; max-width: 560px; }

/* ── FOOTER ── */
footer { background: #0e2118; padding: 2.5rem 4rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1.25rem; }
.footer-logo { font-family: 'DM Serif Display', serif; font-size: 1.1rem; color: rgba(255,255,255,0.75); text-decoration: none; }
.footer-links { display: flex; gap: 1.5rem; list-style: none; }
.footer-links a { font-size: 0.8rem; color: rgba(255,255,255,0.35); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: rgba(255,255,255,0.65); }
.footer-matricula { font-size: 0.75rem; color: rgba(255,255,255,0.28); text-align: right; line-height: 1.6; }

/* ── RESPONSIVE ── */
@media (max-width: 860px) {
  nav { padding: 1rem 1.25rem; }
  .nav-links { display: none; }
  footer { flex-direction: column; text-align: center; padding: 2rem 1.5rem; }
  .footer-matricula { text-align: center; }
}