/* ==========================================================================
   VARIABLES Y CONFIGURACIÓN BASE
   ========================================================================== */
:root {
  --navy: #0b1f3a;
  --gold: #c9a34e;
  --white: #ffffff;
  --text-soft: rgba(255, 255, 255, 0.78);
  --container: min(1160px, 92vw);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--white);
  background: var(--navy);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

/* ==========================================================================
   COMPONENTES REUTILIZABLES
   ========================================================================== */
.container {
  width: var(--container);
  margin-inline: auto;
}

.eyebrow,
.section-tag {
  color: var(--gold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1,
h2,
.section-title,
.value h2 {
  font-family: 'Cormorant Garamond', serif;
  line-height: 1.1;
  font-weight: 600;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.9rem);
  max-width: 20ch;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 13rem;
  padding: 0.8rem 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  transition: transform 220ms ease, background-color 220ms ease, color 220ms ease;
  border: 1px solid transparent;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-gold {
  background: var(--gold);
  color: var(--navy);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.8);
  color: var(--white);
}

/* EFECTOS DE REVELADO (SCROLL ANIMATION) */
.reveal,
.reveal-item {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible,
.reveal-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   HEADER & NAVEGACIÓN
   ========================================================================== */
.header {
  height: 80px;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: all 0.3s ease;
}

.header.scrolled {
  height: 90px;
  background: rgba(11, 31, 58, 0.78);
  border-color: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px);
}

.nav-wrap {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: grid;
  gap: 0.05rem;
  text-shadow: 0 2px 10px rgba(11, 31, 58, 0.65);
}

.brand img {
  height: 110px;
  width: auto;
  object-fit: contain;
  transform: translateY(10px);
}

.brand-main {
  font-size: 0.95rem;
  letter-spacing: 0.1em;
}

.brand-sub {
  font-size: 0.72rem;
  letter-spacing: 0.42em;
  color: var(--gold);
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav a {
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  inset: auto 0 -0.4rem 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--gold);
  transition: transform 220ms ease;
}

.nav a:hover::after,
.nav a:focus-visible::after {
  transform-origin: left;
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  position: relative;
  z-index: 1100;
  padding: 10px;
}

.menu-toggle span {
  display: block;
  width: 1.45rem;
  height: 2px;
  margin: 0.28rem 0;
  background: var(--white);
}

/* ==========================================================================
   HERO SECTOR (SLIDER / VIDEO)
   ========================================================================== */
.hero {
  position: relative;
  height: 100vh;
  height: 100dvh;
  width: 100%;
  overflow: hidden;
}

.hero-slider {
  position: relative;
  min-height: 96vh;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 800ms ease, transform 1600ms ease;
  background-image: var(--bg);
  background-size: cover;
  background-position: center;
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  pointer-events: none;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 31, 58, 0.6);
  z-index: -1;
}

.slide.active {
  opacity: 1;
  transform: scale(1);
}

.hero-content {
  position: relative;
  z-index: 1;
  min-height: 96vh;
  display: grid;
  align-content: center;
  gap: 1rem;
  max-width: 730px;
}

h1,
.hero h2 {
  font-size: clamp(2rem, 4vw, 4rem);
}

.hero-content p {
  color: var(--text-soft);
  max-width: 58ch;
}

.hero-actions {
  margin-top: 0.6rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.slider-dots {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%);
  display: flex;
  gap: 0.6rem;
}

.dot {
  width: 0.65rem;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: transparent;
  cursor: pointer;
}

.dot.active {
  background: var(--gold);
  border-color: var(--gold);
}

/* ==========================================================================
   SECCIÓN SERVICIOS
   ========================================================================== */
.services {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.services-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.2rem;
}

.service-card {
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 1.4rem;
  transition: border-color 260ms ease, transform 260ms ease, background-color 260ms ease;
}

.service-card:hover {
  border-color: rgba(201, 163, 78, 0.6);
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.02);
}

.service-card .icon {
  color: var(--gold);
  font-size: 1.5rem;
  margin-bottom: 0.8rem;
}

.service-card h3 {
  font-size: 1rem;
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.service-card p {
  color: var(--text-soft);
  font-size: 0.92rem;
}

/* ==========================================================================
   NUEVA GALERÍA PORTAFOLIO (7 IMÁGENES + 3 VIDEOS ASIMÉTRICOS)
   ========================================================================== */
.portfolio {
  background: #09172c;
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.masonry {
  margin-top: 2.2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 3 Columnas base en escritorio */
  gap: 1.2rem;
}

.item {
  position: relative;
  overflow: hidden;
  height: 320px; /* Altura unificada estándar */
  transition: transform 280ms ease;
  border-radius: 2px;
}

.item img,
.item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}

/* Capa de degradado elegante */
.item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 31, 58, 0.9), rgba(11, 31, 58, 0.15));
  opacity: 0.9;
  z-index: 1;
  pointer-events: none;
}

.item figcaption {
  position: absolute;
  z-index: 2;
  left: 1.2rem;
  bottom: 1.2rem;
  color: var(--white);
}

/* Hover effects globales para multimedia */
.item:hover img,
.item:hover video {
  transform: scale(1.04);
}

.item:hover {
  transform: translateY(-4px);
}

/* Modificadores de tamaño para dinamismo en PC */
.item.tall {
  grid-row: span 2;
  height: 662px; /* Cálculo matemático: (320px * 2) + 22.4px (1.2rem de gap) */
}

.item.wide {
  grid-column: span 2;
}

/* Indicador visual sutil de reproducción para los videos */
.item.video-item::after {
  content: "▶";
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: rgba(11, 31, 58, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  width: 32px;
  height: 32px;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  z-index: 2;
  pointer-events: none;
}

/* ==========================================================================
   SECCIÓN VALORES / FOOTER / EXTRAS
   ========================================================================== */
.value {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.value-content {
  text-align: center;
  max-width: 820px;
}

.value h2 {
  font-size: clamp(2rem, 3.6vw, 3.2rem);
}

.value h2 span {
  color: var(--gold);
}

.value p {
  margin-top: 0.9rem;
  color: var(--text-soft);
}

.footer {
  background: var(--navy);
  padding: 2.4rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 1.4rem;
}

.footer-copy {
  margin-top: 1.6rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-copy p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.footer-logo {
  height: 180px;
  width: auto;
  margin-bottom: 1rem;
}

.footer h3,
.footer h4 {
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.footer p,
.footer li {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.footer ul {
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.search {
  display: flex;
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.search input {
  width: 100%;
  border: 0;
  color: var(--white);
  background: transparent;
  padding: 0.66rem 0.7rem;
}

.search button {
  background: var(--gold);
  color: var(--navy);
  border: 0;
  padding: 0.66rem 1rem;
  cursor: pointer;
  transition: filter 220ms ease;
}

.search button:hover {
  filter: brightness(1.08);
}

.search-hit {
  outline: 1px solid rgba(201, 163, 78, 0.85);
  background: rgba(201, 163, 78, 0.12);
  transition: background-color 280ms ease, outline-color 280ms ease;
}

.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
  z-index: 999;
  transition: transform 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

.whatsapp-icon {
  width: 30px;
  height: 30px;
}

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVE DESIGN)
   ========================================================================== */

@media (max-width: 900px) {
  .hero,
  .hero-slider,
  .hero-content {
    min-height: 82vh;
  }

  .hero-content {
    gap: 0.75rem;
    max-width: 95%;
  }

  .hero-actions .btn {
    min-width: 11rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* La Galería pasa a 2 columnas equilibradas en Tablets */
  .masonry {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .item {
    height: 280px;
  }

  .item.tall {
    grid-row: span 2;
    height: 576px; /* Proporcional a la reducción */
  }

  .item.wide {
    grid-column: span 2;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 680px) {
  .menu-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    inset: 100% 4vw auto;
    background: rgba(11, 31, 58, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 1rem;
    flex-direction: column;
    transform: scaleY(0);
    transform-origin: top;
    opacity: 0;
    pointer-events: none;
    transition: 220ms ease;
  }

  .nav.open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .hero-content {
    padding-top: 4rem;
    min-height: 78vh;
  }

  .services-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  /* La Galería colapsa a 1 sola columna fluida en celulares */
  .masonry {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .item, 
  .item.tall, 
  .item.wide {
    grid-row: auto;
    grid-column: auto;
    height: 250px; /* Altura perfecta para manipulación táctil */
  }

  .whatsapp-float {
    right: 0.9rem;
    bottom: 0.9rem;
    min-width: auto;
    padding: 0.7rem 0.9rem;
  }
}

@media (min-width: 1280px) {
  .hero-content {
    max-width: 820px;
  }

  .section-title {
    max-width: 24ch;
  }

  .services-grid {
    gap: 1.5rem;
  }
}