@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400&family=Inter:wght@300;400;500;600&display=swap');

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

:root {
  --negro:   #0F0F0F;
  --grafito: #1C1C1C;
  --carbon:  #2A2A2A;
  --gris:    #6B6B6B;
  --gris-lt: #A8A8A8;
  --linea:   #2E2E2E;
  --blanco:  #F7F5F2;
  --dorado:  #B8975A;
  --dorado-lt:#D4B47A;
  --serif:   'Cormorant Garamond', Georgia, serif;
  --sans:    'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--negro);
  color: var(--blanco);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 4rem;
  background: rgba(15,15,15,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--linea);
}
.nav-logo {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--blanco);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}
.nav-logo-estudio { font-size: 0.85rem; color: var(--gris-lt); }
.nav-logo-dato {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--dorado);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gris-lt);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--dorado); }
.nav-cta {
  font-size: 0.73rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--negro);
  background: var(--dorado);
  padding: 0.6rem 1.4rem;
  text-decoration: none;
  transition: background 0.2s;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--dorado-lt); }

/* UTILIDADES */
.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 1rem;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 3.5rem);
  font-weight: 400;
  line-height: 1.1;
  color: var(--blanco);
  margin-bottom: 1.5rem;
}
.section-title em { font-style: italic; color: var(--dorado); }
.divider {
  width: 3rem; height: 1px;
  background: var(--dorado);
  margin-bottom: 2.5rem;
}
.btn-primary {
  font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--negro); background: var(--dorado);
  padding: 0.85rem 2rem; text-decoration: none;
  transition: background 0.2s; display: inline-block;
}
.btn-primary:hover { background: var(--dorado-lt); }
.btn-secondary {
  font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--dorado); border: 1px solid var(--dorado);
  padding: 0.85rem 2rem; text-decoration: none;
  transition: all 0.2s; display: inline-block;
}
.btn-secondary:hover { background: var(--dorado); color: var(--negro); }
.btn-whatsapp {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--negro); background: #25D366;
  padding: 0.9rem 2rem; text-decoration: none; transition: background 0.2s;
}
.btn-whatsapp:hover { background: #1ebe57; }

/* PAGE HERO (páginas internas) */
.page-hero {
  padding: 10rem 4rem 5rem;
  background: var(--grafito);
  border-bottom: 1px solid var(--linea);
}

/* FOOTER */
footer {
  background: var(--grafito);
  border-top: 1px solid var(--linea);
  padding: 2.5rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-logo { font-family: var(--serif); font-size: 1rem; font-weight: 400; color: var(--blanco); display: flex; align-items: baseline; gap: 0.3rem; }
.footer-logo-dato { font-size: 1.2rem; font-weight: 600; color: var(--dorado); letter-spacing: 0.12em; text-transform: uppercase; }
.footer-copy { font-size: 0.75rem; color: var(--gris); }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-links a { font-size: 0.75rem; color: var(--gris-lt); text-decoration: none; }
.footer-links a:hover { color: var(--dorado); }

/* FADE IN */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .page-hero { padding: 8rem 1.5rem 3rem; }
  footer { padding: 2rem 1.5rem; flex-direction: column; align-items: flex-start; }
}