/* ============================================================
   ÉTERNITÉ GROUP — GENERAL.CSS
   Luxury Dark Theme · Negro / Dorado
   ============================================================ */


@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;1,400&family=DM+Sans:wght@300;400;500&display=swap');
/* ── RESET & BASE ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black:        #08090c;
  --black-mid:    #0e1016;
  --black-soft:   #161a24;
  --black-card:   #111420;
  --gold:         #5b9bd5;
  --gold-light:   #8dbfe8;
  --gold-dim:     #3a6a9a;
  --white:        #eef2f8;
  --white-dim:    #94a3b8;
  --border:       rgba(91,155,213,0.28);
  --border-soft:  rgba(91,155,213,0.10);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Montserrat', sans-serif;
  --transition:   0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-gold:  0 0 30px rgba(91,155,213,0.15);
  --shadow-card:  0 8px 40px rgba(0,0,0,0.7);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: default;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--gold-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* ── SELECTION ── */
::selection {
  background: var(--gold);
  color: var(--black);
}

/* ── TYPOGRAPHY ── */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.6rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }

p {
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  color: var(--white-dim);
}

a {
  color: var(--gold);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--gold-light); }

img {
  max-width: 100%;
  display: block;
}

/* ── HEADER / NAV ── */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 3rem;
  height: 72px;
  display: flex;
  align-items: center;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-soft);
  transition: background var(--transition), border-color var(--transition);
}

header.scrolled {
  background: rgba(10,10,10,0.98);
  border-bottom-color: var(--border);
}

.menu {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.menu-logo a {
  display: flex;
  align-items: center;
}

.menu-logo img {
  height: 38px;
  width: auto;
  transition: filter var(--transition), transform var(--transition);
}

.menu-logo img:hover {
  filter: brightness(0) saturate(100%) invert(55%) sepia(60%) saturate(400%) hue-rotate(185deg);
  transform: scale(1.05);
}

.menu-nav {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.menu-nav button {
  background: transparent;
  border: none;
  color: var(--white-dim);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.6rem 1.1rem;
  cursor: pointer;
  position: relative;
  transition: color var(--transition);
}

.menu-nav button::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 1.1rem;
  right: 1.1rem;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}

.menu-nav button:hover { color: var(--gold); }
.menu-nav button:hover::after,
.menu-nav button.active::after { transform: scaleX(1); }
.menu-nav button.active { color: var(--gold); }

/* ── HAMBURGER (mobile) ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.4rem;
  background: transparent;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── MOBILE MENU ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(10,10,10,0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0;
  z-index: 999;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity var(--transition), transform var(--transition);
}

.mobile-menu.open {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu button {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--white-dim);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
  text-align: center;
}

.mobile-menu button:hover {
  color: var(--gold);
  background: rgba(91,155,213,0.05);
}

/* ── FOOTER ── */
.footer {
  background: var(--black-mid);
  border-top: 1px solid var(--border-soft);
  padding: 3rem 3rem 2rem;
  margin-top: 6rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
}

.footer-info p {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--white-dim);
  margin-bottom: 0.3rem;
}

.footer-info a {
  color: var(--gold-dim);
  font-size: 0.75rem;
}

.footer-info a:hover { color: var(--gold); }

.footer-frase {
  text-align: center;
}

.footer-frase p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--gold);
  letter-spacing: 0.06em;
}

.footer-redes {
  display: flex;
  gap: 1.5rem;
  justify-content: flex-end;
}

.footer-redes a {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white-dim);
  transition: color var(--transition);
}

.footer-redes a:hover { color: var(--gold); }

/* ── BACK ARROW ── */
.back-arrow {
  position: fixed;
  top: 50%;
  left: 1.5rem;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 1.1rem;
  z-index: 100;
  background: rgba(10,10,10,0.7);
  backdrop-filter: blur(8px);
  transition: all var(--transition);
  text-decoration: none;
}

.back-arrow:hover {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
  transform: translateY(-50%) scale(1.08);
}

/* ── GOLD DIVIDER ── */
.gold-divider {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 1.5rem auto;
}

/* ── GOLD LABEL ── */
.gold-label {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  font-family: var(--font-body);
  font-weight: 500;
}

/* ── BTN PRIMARY ── */
.btn-primary {
  display: inline-block;
  padding: 0.85rem 2.5rem;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  background: transparent;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
  z-index: 0;
}

.btn-primary span { position: relative; z-index: 1; }

.btn-primary:hover { color: var(--black); }
.btn-primary:hover::before { transform: scaleX(1); }

/* ── FADE IN ANIMATION ── */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── MAIN PADDING (for fixed header) ── */
main { padding-top: 72px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  header { padding: 0 1.5rem; }

  .menu-nav { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }

  .footer {
    padding: 2rem 1.5rem;
    margin-top: 4rem;
  }

  .footer-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1.5rem;
  }

  .footer-redes { justify-content: center; }

  .back-arrow {
    top: auto;
    bottom: 1.5rem;
    left: 1.5rem;
    transform: none;
  }

  .back-arrow:hover { transform: scale(1.08); }
}

@media (max-width: 480px) {
  :root { font-size: 15px; }
  header { height: 60px; padding: 0 1rem; }
  .mobile-menu { top: 60px; }
  main { padding-top: 60px; }
}