/* MT Lux Cars — estilos base compartidos por todas las páginas.
   Tokens, nav, botones, reveal, cabecera de página y footer. */

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

:root {
  --basalto: #060606;        /* negro */
  --basalto-2: #141414;      /* negro tarjeta */
  --cal: #F0EAD6;            /* crema */
  --ceniza: #D4CCBA;         /* crema suave */
  --piedra: #888880;         /* gris para captions */
  --lava: #C9A84C;           /* alias — mismo dorado, sin acento rojo en este sistema */
  --lava-oscura: #C9A84C;
  --arena-dorada: #C9A84C;   /* dorado — botones y detalles de marca */
  --arena-dorada-clara: #E4C97A; /* dorado claro — uso puntual (acento de hero) */
  --linea: rgba(201,168,76,.14);
  --linea-clara: rgba(201,168,76,.2);
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-mono: 'Inter', system-ui, -apple-system, sans-serif; /* alias — sin fuente monoespaciada en este sistema */
}

html { scroll-behavior: smooth; }

body {
  background: var(--basalto);
  color: var(--cal);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
::selection { background: var(--arena-dorada); color: var(--basalto); }

/* Voces tipográficas */
.display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.1;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}
.mono {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
}

/* ══════════ NAV ══════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background .4s ease, padding .4s ease;
}
.nav.scrolled {
  background: rgba(6,6,6,.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: .9rem 2rem;
}
.nav-logo { display: flex; align-items: center; }
.nav-logo-img {
  height: 52px; width: auto; object-fit: contain;
  transition: opacity .3s ease, height .4s ease;
}
.nav-logo:hover .nav-logo-img { opacity: .85; }
.nav.scrolled .nav-logo-img { height: 42px; }
.nav-links {
  display: flex;
  gap: 2.2rem;
  list-style: none;
  align-items: center;
}
.nav-links a {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: .82rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ceniza);
  position: relative;
  padding-bottom: 3px;
  transition: color .3s ease;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--arena-dorada);
  transition: width .35s ease-out;
}
.nav-links a:hover { color: var(--arena-dorada); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--arena-dorada); }
.nav-links a:focus-visible { outline: 2px solid var(--arena-dorada); outline-offset: 4px; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  padding: 8px;
  z-index: 1100;
  min-width: 44px; min-height: 44px;
  align-items: center; justify-content: center;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--cal);
  transition: transform .35s ease, opacity .25s ease;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6,6,6,.97);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.2rem;
  opacity: 0;
  visibility: hidden;
  overflow-y: auto;
  transition: opacity .4s ease, visibility .4s ease;
}
.mobile-overlay.open { opacity: 1; visibility: visible; }
.mobile-overlay a {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.6rem, 8vw, 2.2rem);
  color: var(--cal);
  letter-spacing: .02em;
  line-height: 1.15;
  overflow-wrap: break-word;
  transition: color .3s ease;
}
.mobile-overlay a:hover,
.mobile-overlay a.active { color: var(--arena-dorada); }
.mobile-overlay a:focus-visible { outline: 2px solid var(--arena-dorada); outline-offset: 4px; }
.mobile-overlay .mono { color: var(--piedra); margin-bottom: .5rem; }

@media (max-width: 720px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
}

/* ══════════ BOTONES ══════════ */
.btn {
  display: inline-block;
  position: relative;
  padding: .95rem 2.4rem;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: .82rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  min-height: 44px;
  overflow: hidden;
  transition: color .4s ease;
}
.btn-primario {
  border: 1px solid var(--arena-dorada);
  color: var(--arena-dorada);
  background: transparent;
}
.btn-primario::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--arena-dorada);
  transform: translateX(-101%);
  transition: transform .4s ease;
  z-index: -1;
}
.btn-primario:hover { color: var(--basalto); }
.btn-primario:hover::before { transform: translateX(0); }
.btn-ghost {
  border: 1px solid currentColor;
  color: var(--arena-dorada);
  background: transparent;
}
.btn-ghost::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--arena-dorada);
  transform: translateX(-101%);
  transition: transform .4s ease;
  z-index: -1;
}
.btn-ghost:hover { color: var(--basalto); }
.btn-ghost:hover::before { transform: translateX(0); }
.btn:focus-visible { outline: 2px solid var(--arena-dorada-clara); outline-offset: 4px; }

/* WhatsApp — verde sólido, distinto del sistema outline/sweep */
.wa-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .6rem;
  padding: .95rem 1.8rem;
  background: #25D366;
  color: #fff;
  border: 1px solid #25D366;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: background .3s ease, transform .3s ease;
  min-height: 44px;
  cursor: pointer;
}
.wa-btn:hover { background: #1ebe57; transform: translateY(-2px); }
.wa-btn:focus-visible { outline: 2px solid var(--arena-dorada); outline-offset: 4px; }
.wa-btn svg { width: 18px; height: 18px; fill: #fff; flex-shrink: 0; }

/* ══════════ REVEAL ══════════ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease-out, transform .7s ease-out;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ══════════ CABECERA DE PÁGINA (sin foto — legal, blog) ══════════ */
.page-head {
  background: var(--basalto-2);
  color: var(--cal);
  padding: 9rem 1.5rem 3rem;
  text-align: center;
  border-bottom: 1px solid var(--linea);
}
.page-head-inner { max-width: 1400px; margin: 0 auto; }
.page-eyebrow {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: .72rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--arena-dorada);
  margin-bottom: .8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .8rem;
}
.page-eyebrow::after {
  content: '';
  height: 1px;
  width: 60px;
  background: var(--arena-dorada);
}
.page-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
}
.page-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--arena-dorada);
}

/* ══════════ CABECERA INTERIOR (con foto — vehiculos/asesoramiento/contacto/fichas) ══════════ */
.hero-interior {
  position: relative; height: 60vh; min-height: 380px;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.hero-interior .hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  animation: kenburns 20s ease-in-out infinite alternate;
}
@keyframes kenburns {
  0% { transform: scale(1) translate(0,0); }
  100% { transform: scale(1.12) translate(-1%,-1%); }
}
.hero-interior .hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6,6,6,.55) 0%, rgba(6,6,6,.78) 100%);
}
.hero-interior .hero-content {
  position: relative; z-index: 2; text-align: center; padding: 0 1rem;
}
.hero-interior .hero-eyebrow {
  font-family: var(--font-sans);
  font-weight: 400; font-size: .78rem;
  letter-spacing: .3em; text-transform: uppercase;
  color: var(--arena-dorada); margin-bottom: 1rem;
}
.hero-interior .hero-title {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.5rem, 6vw, 4.5rem); color: var(--cal);
}
@media (prefers-reduced-motion: reduce) {
  .hero-interior .hero-bg { animation: none !important; }
}

/* ══════════ FOOTER ══════════ */
.footer {
  background: var(--basalto);
  border-top: 1px solid var(--linea);
  padding: 3.5rem 2rem 2rem;
  text-align: center;
}
.footer-inner { max-width: 700px; margin: 0 auto; }
.footer-top { margin-bottom: 1rem; }
.footer-logo-img {
  height: 70px; width: auto; object-fit: contain; margin: 0 auto 1rem;
}
.footer-top::after {
  content: '';
  display: block;
  width: 50px; height: 1px;
  background: var(--arena-dorada);
  margin: 0 auto;
}
.footer-top .mono {
  font-family: var(--font-sans);
  text-transform: none;
  letter-spacing: normal;
  font-size: .85rem;
  color: var(--ceniza);
  margin-top: 1.2rem;
  text-align: center;
}
.footer-mid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  padding: .5rem 0 1rem;
}
.footer-legal {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: .6rem 1.4rem;
}
.footer-legal a {
  font-family: var(--font-sans);
  text-transform: none;
  letter-spacing: normal;
  font-size: .72rem;
  color: var(--ceniza);
  transition: color .3s ease;
  padding: .25rem .15rem;
  border-bottom: 1px solid transparent;
}
.footer-legal a:hover { color: var(--arena-dorada); border-bottom-color: var(--arena-dorada); }
.footer-legal a:focus-visible { outline: 2px solid var(--arena-dorada); outline-offset: 3px; }
.footer-copy {
  font-family: var(--font-sans);
  text-transform: none;
  letter-spacing: normal;
  font-size: .68rem;
  color: var(--piedra);
  opacity: .8;
}
.footer-credit {
  display: block;
  text-align: center;
  padding-top: 1.2rem;
  border-top: 1px solid var(--linea);
  transition: opacity .3s ease;
}
.footer-credit:hover { opacity: .85; }
.footer-credit-text {
  display: block;
  font-size: .88rem;
  color: var(--ceniza);
  letter-spacing: .04em;
}
.footer-credit-text strong { color: var(--arena-dorada); font-weight: 600; margin-left: .25rem; }
.footer-credit-sub {
  display: block;
  font-family: var(--font-sans);
  text-transform: none;
  font-style: italic;
  font-size: .68rem;
  color: var(--piedra);
  letter-spacing: .08em;
  margin-top: .35rem;
}
.footer-credit:focus-visible { outline: 2px solid var(--arena-dorada); outline-offset: 4px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}