:root {
  --black: #0b0b0c;
  --black-soft: #141416;
  --ivory: #f5f1e8;
  --muted: #b8b4aa;
  --gold: #c7a252;
  --gold-dim: #8a723c;
  --serif: "Playfair Display", Georgia, serif;
  --sans: "Inter", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
}

body {
  background: var(--black);
  color: var(--ivory);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.eyebrow {
  font-family: var(--sans);
  font-size: 1rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--ivory);
}

/* Header */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.75rem 6vw;
  background: var(--black);
  border-bottom: 1px solid rgba(199, 162, 82, 0.18);
}

.wordmark {
  font-family: var(--serif);
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.logo {
  height: 42px;
  width: auto;
}

.site-header nav {
  display: flex;
  gap: 2.25rem;
}

.site-header nav a {
  font-size: 0.9rem;
  color: var(--muted);
  transition: color 0.2s ease;
}

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

/* Hero */

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 100vh;
  scroll-snap-align: start;
  padding: 6rem 6vw 4rem;
  max-width: none;
}

.hero h1 {
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  line-height: 1.2;
  margin-bottom: 2.5rem;
  max-width: 18ch;
  font-weight: 500;
}

.hero .lead {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 36rem;
  margin: 0 0 2.5rem;
}

.cta {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background 0.2s ease, color 0.2s ease;
}

.cta:hover {
  background: var(--gold);
  color: var(--black);
}

/* Hero — cita Arquímedes */

.hero-quote {
  position: absolute;
  bottom: 2rem;
  right: 6vw;
  text-align: right;
  white-space: nowrap;
  border: none;
  margin: 0;
}

.hero-quote p {
  font-family: var(--serif);
  font-size: 0.9rem;
  font-style: italic;
  line-height: 1.4;
  color: var(--gold-dim);
}

.hero-quote cite {
  display: block;
  font-family: var(--serif);
  font-size: 0.75rem;
  font-style: italic;
  color: var(--gold-dim);
  margin-top: 0.3rem;
  opacity: 0.5;
}

/* Sections */

section {
  min-height: 100vh;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 8vw;
  border-top: 1px solid rgba(199, 162, 82, 0.10);
}

section h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 500;
  margin-bottom: 2rem;
}

/* Servicios grid */

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5px;
  background: rgba(199, 162, 82, 0.18);
}

.card {
  background: var(--black-soft);
  padding: 5rem 2.75rem;
  transition: background 0.3s ease;
}

.card:hover {
  background: #1a1a1d;
}

.card h3 {
  font-size: 1.25rem;
  color: var(--gold);
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.card li {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 2;
  padding-left: 1.25rem;
  position: relative;
}

.card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 5px;
  height: 5px;
  background: var(--gold-dim);
  border-radius: 50%;
}

/* Nosotros */

.nosotros-texto {
  max-width: 42rem;
}

.nosotros-texto p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.nosotros-texto p:last-child {
  margin-bottom: 0;
}

/* Contacto */

.contacto {
  align-items: flex-start;
  text-align: left;
}

.contacto .mail {
  font-family: var(--sans);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--gold-dim);
  padding-bottom: 0.2rem;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.contacto .mail:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* Section group (contacto + footer) */

.section-group {
  min-height: 100vh;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  border-top: 1px solid rgba(199, 162, 82, 0.10);
}

.section-group .contacto {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 8vw;
  border-top: none;
  min-height: auto;
  scroll-snap-align: none;
}

/* Footer */

.site-footer {
  padding: 1.5rem 8vw;
  border-top: 1px solid rgba(199, 162, 82, 0.15);
  color: var(--ivory);
  font-family: var(--serif);
  font-size: 0.9rem;
  text-align: center;
  letter-spacing: 0.06em;
}

/* Responsive */

@media (max-width: 640px) {
  .site-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .site-header nav { gap: 1.5rem; }
  .hero { padding: 6rem 6vw 14rem; }
  .hero-quote { position: relative; bottom: auto; right: auto; text-align: center; margin-top: 3rem; white-space: normal; }
  .hero-quote p { font-size: 1rem; }
  section { padding: 4rem 6vw; }
  .section-group .contacto { padding: 4rem 6vw; }
  .site-footer { padding: 1.5rem 6vw; }
  .grid { grid-template-columns: 1fr; }
  .card { padding: 3rem 2rem; }
}