/* ==========================================================================
   PORCELANIX SOLUTIONS — styles.css
   Arquitectura: Variables → Reset → Base → Layout → Secciones → Utilidades → Media Queries
   ========================================================================== */

/* ── GLOBAL KEYFRAMES — declarados al inicio para garantizar disponibilidad ── */
@keyframes marquee-left {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes marquee-right {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}


/* ==========================================================================
   1. CUSTOM PROPERTIES
   ========================================================================== */
:root {
  /* Paleta */
  --color-bg:          #F9F9F7;
  --color-bg-alt:      #EDEAE4;
  --color-bg-dark:     #0c0c0c;
  --color-text:        #1a1a1a;
  --color-text-muted:  #6b6b6b;
  --color-accent:      #c9a96e;
  --color-accent-dark: #b8913a;
  --color-white:       #ffffff;
  --color-border:      #e5e2dc;

  /* Tipografía */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  /* Escalas tipográficas */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  2rem;
  --text-4xl:  2.75rem;
  --text-5xl:  3.75rem;
  --text-6xl:  5rem;

  /* Espaciado */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;
  --space-3xl: 10rem;

  /* Layout */
  --max-width: 1320px;
  --gutter:    clamp(1.25rem, 4vw, 2.5rem);

  /* Animaciones */
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out:    cubic-bezier(0.0, 0.0, 0.2, 1.0);
  --transition:  0.4s var(--ease-smooth);

  /* Bordes */
  --radius-sm: 2px;
  --radius-md: 4px;
}


/* ==========================================================================
   2. RESET & BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video {
  display: block;
  max-width: 100%;
  height: auto;
}

ul { list-style: none; }

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

.hide-sm { display: none; }


/* ==========================================================================
   3. LAYOUT — contenedor, grid helpers
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-top: var(--space-xl);     /* 4rem */
  padding-bottom: var(--space-2xl); /* 6rem */
  margin-bottom: 0;
}

/* Encabezados de sección reutilizables */
.section-header {
  margin-bottom: var(--space-xl);
  max-width: 680px;
}

.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-label--light {
  color: rgba(201, 169, 110, 0.9);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.section-title em {
  font-style: italic;
  color: var(--color-accent);
}

/* Contraste quirúrgico — #1A1A1A forzado sobre todas las secciones bone-white */
.value-props, .materials, .projects, .contact {
  color: #1a1a1a;
}
.value-props .section-title,
.materials   .section-title,
.projects    .section-title,
.contact     .section-title {
  color: #1a1a1a;
}


/* ==========================================================================
   4. BOTONES
   ========================================================================== */
.btn {
  min-height: 48px; /* Altura mínima recomendada por Google */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.3s cubic-bezier(0.22, 1, 0.36, 1),
              background-color 0.3s ease,
              color 0.3s ease;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-white);
}
.btn--primary:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.5);
}
.btn--ghost:hover {
  border-color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* HighContrast_Ghost + LiftUp — hero sobre fondo mármol blanco */
.hero-ctas .btn--ghost {
  background: transparent;
  color: #1A1A1A; /* Esto ya lo tienes bien para el contraste */
  border: 1.5px solid #1A1A1A;
}
.hero-ctas .btn--ghost:hover {
  background: #1A1A1A;
  color: #FDFDFD;
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* LiftUp — botón principal del hero */
.hero-ctas .btn--accent:hover {
  background-color: #1A1A1A;
  color: #FDFDFD;
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-bg-dark);
  font-weight: 600;
}
.btn--accent:hover {
  background-color: var(--color-white);
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn--full { width: 100%; }


/* ==========================================================================
   5. LOGO
   ========================================================================== */
/* Gold gradient compartido — logo y tagline */
.logo {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
  line-height: 1;
}

.logo-primary {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 0.92;
}

.logo-line1,
.logo-line2 {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  background: linear-gradient(45deg, #BF953F 0%, #FCF6BA 28%, #B38728 50%, #FBF5B7 72%, #AA771C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-line1 {
  font-weight: 600;
  letter-spacing: 0.12em;
}

.logo-line2 {
  font-weight: 200;
  letter-spacing: 0.2em;
  background: none;
  -webkit-text-fill-color: #4A4A4A;
  color: #4A4A4A; /* mármol gris oscuro */
}

.logo-tagline {
  display: block;
  font-family: var(--font-body);
  font-size: 0.48rem;
  font-weight: 400;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  white-space: nowrap;
  background: linear-gradient(90deg, #BF953F 0%, #FCF6BA 28%, #B38728 50%, #FBF5B7 72%, #AA771C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  border-top: 1.5px solid transparent;
  border-image: linear-gradient(90deg, #BF953F, #FCF6BA, #B38728, #FBF5B7, #AA771C) 1;
  padding-top: 4px;
}

.logo-dot { color: var(--color-accent); } /* footer fallback */


/* ==========================================================================
   6. HEADER
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999999 !important;
  transition: background-color 0.4s var(--ease-smooth),
              box-shadow 0.4s var(--ease-smooth),
              padding 0.3s var(--ease-smooth);
  padding-block: 1.75rem;
}

/* Estado scrolled — añadido por JS */
.site-header.is-scrolled {
  background-color: rgba(12, 12, 12, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding-block: 1.1rem;
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* El logo usa gradient propio — no se hereda color del header */
.site-header .logo { color: inherit; }

/* Navegación */
.main-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.main-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: #1A1A1A;                 /* gris carbón — legible sobre hero blanco */
  transition: color var(--transition);
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: #B28B46;            /* dorado bronce sobre blanco */
  transition: width var(--transition);
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: #000;
}

.main-nav a:hover::after { width: 100%; }

/* Al hacer scroll el header pasa a fondo oscuro — texto vuelve a blanco */
.site-header.is-scrolled .main-nav a               { color: rgba(255, 255, 255, 0.8); }
.site-header.is-scrolled .main-nav a:hover,
.site-header.is-scrolled .main-nav a:focus-visible { color: var(--color-white); }
.site-header.is-scrolled .main-nav a::after        { background: var(--color-accent); }

.nav-cta {
  padding: 0.5rem 1.25rem;
  border: 1px solid rgba(201, 169, 110, 0.6);
  border-radius: var(--radius-sm);
  color: var(--color-accent) !important;
}

.nav-cta:hover {
  background: var(--color-accent);
  color: var(--color-white) !important;
  border-color: var(--color-accent);
}

.nav-cta::after { display: none; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

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

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


/* ==========================================================================
   7. HERO
   ========================================================================== */
.hero {
  position: relative;
  height: 85vh;
  display: flex;
  align-items: center;
  padding-bottom: 0 !important;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 85vh;
  z-index: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover !important; /* no stretching allowed */
  object-position: center;
  filter: opacity(0.95) contrast(1.05);
}

.hero-overlay {
  display: none; /* overlay eliminado — luz brutalista directa */
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  max-width: 860px;
}

.hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 6.5vw, var(--text-6xl));
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-variant-ligatures: none;
  color: #2C2C2C;
  margin-bottom: var(--space-md);
  /* AÑADE ESTO PARA LA LÍNEA ÚNICA EN ESCRITORIO */
  white-space: nowrap; 
}

/* Ajuste para que en móviles SÍ pueda romper línea, si no, se saldría de la pantalla */
@media (max-width: 768px) {
  .hero-title {
    white-space: normal;
  }
}

.hero-title em {
  font-style: italic;
  color: #B28B46;
}

.hero-subtitle {
  font-size: clamp(var(--text-base), 1.5vw, var(--text-lg));
  font-weight: 300;
  font-variant-ligatures: none;
  letter-spacing: 0.025em;
  color: #4A4A4A;
  line-height: 1.7;
  /* REDUCIMOS MARGEN PARA COMPACTAR SEGÚN TU PETICIÓN */
  margin-bottom: var(--space-lg); 
  max-width: 560px;
  /* EVITAR SALTOS DE RENDERIZADO */
  display: block; 
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  right: var(--gutter);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.3s;
}

.hero-scroll:hover {
  opacity: 0.7;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(201,169,110,0.8), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  50.01% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}


/* ==========================================================================
   8. PROPUESTA DE VALOR
   ========================================================================== */
.value-props {
  background-color: var(--color-bg);
  padding-top: 40px;
  padding-bottom: 40px;
}

/* Contenedor ampliado para esta sección */
.value-props .container {
  max-width: 1440px;
  padding-inline: 80px;
}

/* Encabezado — izquierda, título en una línea */
.benefits-header {
  text-align: left; /* Eliminamos el centrado */
  margin-bottom: 2rem; /* Reducimos el hueco con la grilla */
  max-width: 100%;
}

.benefits-header .section-title {
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.1;
  margin-top: 0.5rem;
}

/* Grid horizontal — gap proporcional, ancho completo */
.benefits-grid {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 5%;
  width: 100%;
}

.value-item {
  flex: 0 0 30%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.value-icon {
  color: #B28B46; /* Tu dorado bronce */
  width: 40px;
  height: 40px;
  margin-bottom: 1rem; /* Acerquemos el icono al título */
}

.value-icon svg {
  /* Evita que el navegador recalcule el tamaño del SVG al cargar */
  width: 40px;
  height: 40px;
  display: block;
}

.value-item h3 {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem; /* Acerquemos el título al párrafo */
  color: #2C2C2C;
}

.value-item p {
  font-size: 0.95rem;
  line-height: 1.5;
  color: #4A4A4A;
  margin: 0; /* Eliminamos márgenes sobrantes */
}

/* Mobile */
@media (max-width: 768px) {
  .hero-ctas {
    display: flex;
    flex-direction: column;
    gap: 1rem; /* Espacio suficiente para que el dedo no toque los dos a la vez */
  }
}
/* 5. Responsive para la grilla */
@media (max-width: 992px) {
  .benefits-grid {
    grid-template-columns: 1fr; /* En móvil, uno bajo otro */
    gap: 2rem;
  }
}

  .benefits-header .section-title {
    white-space: normal;
    font-size: 28px;
  }

  .benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem; /* Espacio elegante entre columnas */
  margin-top: 0; /* Pegamos la grilla al título */
  text-align: left;
}

/* 4. Los Ítems: Compactar espacio entre icono, título y texto */
.value-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start; /* Todo a la izquierda */
}



/* ==========================================================================
   9. GALERÍA DE MATERIALES — MARQUESINA DOBLE CONTRAPUESTA
   ========================================================================== */
.materials {
  background-color: var(--color-bg); /* #F9F9F7 Bone White */
  overflow: hidden;
  padding-bottom: 0;
}

/* ── Contenedor de las dos pistas ── */
.marquee-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;   /* ← evita stretch; permite que el track tome max-content */
  gap: 0.75rem;
  overflow: clip;            /* ← clip no crea scroll-container ni BFC (vs hidden) */
  width: 100%;               /* ← ancla explícita para que el clip funcione */
  margin-top: var(--space-xl);  /* 4rem — aire superior */
  margin-bottom: 0;
  padding-bottom: 0;
  /* Fundido lateral para entrada/salida suave */
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 6%,
    black 94%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 6%,
    black 94%,
    transparent 100%
  );
}

/* ── Pista individual ── */
.marquee-track {
  display: flex;
  flex-shrink: 0;            /* ← no comprimir en el eje cruzado del wrapper */
  will-change: transform;
}

/* Animación forzada — !important garantiza ejecución sin importar herencia */
.marquee-track               { animation: marquee-left  30s linear infinite !important; }
.track-left                  { animation: marquee-left  30s linear infinite !important; }
.track-right                 { animation: marquee-right 30s linear infinite !important; }

/* Pausa suave al pasar el cursor (opcional) */
.marquee-wrapper:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes marquee-left {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@keyframes marquee-right {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}

/* ── Bloque de contenido (original + duplicado) ── */
.marquee-content {
  display: flex;
  gap: 0.75rem;
  padding-right: 0.75rem; /* trailing gap = inter-card gap → -50% lands seamlessly */
  flex-shrink: 0;
}

/* ── Tarjeta individual ── */
.marquee-card {
  flex-shrink: 0;
  width: 350px;
  height: 260px;          /* +10px — user-specified symmetry */
  border-radius: 4px; /* architectural subtle curve */
  padding: 4px;           /* visual separation boundary */
}

/* ── Interior reutilizable de tarjeta ── */
.material-inner {
  position: relative;
  width: 100%;
  height: 100%;       /* fills card height — aspect-ratio removido */
  overflow: hidden;
  cursor: pointer;
  background-color: var(--color-bg-alt);
  border-radius: 2px;     /* slightly tighter inner curve to nest within card's 4px */
}

.material-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-smooth);
}

.material-inner:hover img {
  transform: scale(1.06);
}

.material-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,0.78) 0%, transparent 55%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem 1.5rem;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.material-inner:hover .material-overlay,
.material-inner:focus-within .material-overlay {
  opacity: 1;
}

.material-category {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.material-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-white);
}


/* ==========================================================================
   10. PROYECTOS DESTACADOS
   ========================================================================== */
.projects {
  background-color: var(--color-bg);
}

.projects-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl); /* 4rem */
}

.project-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* reverse ya no aplica en grid auto-fit — se mantiene el class sin efecto para no romper HTML */
.project-item--reverse { direction: unset; }

.project-image {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.project-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.7s var(--ease-smooth);
}

.project-item:hover .project-image img {
  transform: scale(1.04);
}

.project-number {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  color: rgba(255,255,255,0.12);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.project-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.project-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.project-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.8;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-text);
  padding-bottom: 2px;
  transition: var(--transition);
}

.project-link span {
  transition: transform var(--transition);
}

.project-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.project-link:hover span {
  transform: translateX(4px);
}


/* ==========================================================================
   11. POR QUÉ PORCELANIX — sección oscura
   ========================================================================== */

/* Section shell — background via CSS (JS sets style.backgroundImage at runtime) */
.why-us {
  position: relative;
  background-image: url('../assets/images/hero-marron-claro.webp');
  background-size: cover;
  background-position: center;
  background-color: #0D0D0D; /* fallback si imagen no carga */
  padding-block: var(--space-3xl);
  color: #FFFFFF;
  overflow: hidden;
}

/* Dark overlay via pseudo-element — no extra DOM needed */
.why-us::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 8, 0.87);
  z-index: 0;
}

.why-us .container {
  position: relative;
  z-index: 1;
}

/* 2-column grid: left (heading + text + CTA) · right (stats) */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

/* ── Left column ──────────────────────────────── */
.why-col-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.why-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  margin-top: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.why-title em {
  font-style: italic;
  color: #C9A96E;
}

.why-text {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  max-width: 480px;
}

/* ── Right column ─────────────────────────────── */
.why-col-right {
  padding-top: 3.5rem; /* optical alignment with title baseline */
}

/* Stats — native list, 2×2 grid */
.why-stats {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl) var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-xl);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

/* Number + suffix sit baseline-aligned inline */
.stat-metric {
  display: flex;
  align-items: baseline;
  gap: 0.05em;
  line-height: 1;
}

.stat-number,
.stat-suffix {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  color: #C9A96E;
  line-height: 1;
}

.stat-label {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
}

/* Mobile */
@media (max-width: 768px) {
  .why-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .why-col-right { padding-top: 0; }
  .why-stats     { grid-template-columns: 1fr 1fr; }
}


/* ==========================================================================
   12. CONTACTO
   ========================================================================== */
.contact {
  background-color: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.contact-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  max-width: 380px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.contact-details svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.contact-details a {
  transition: color var(--transition);
}
.contact-details a:hover { color: var(--color-accent); }

/* Formulario */
.contact-form {
  background: var(--color-white);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: var(--space-md);
}

.form-group:last-of-type { margin-bottom: 0; }

label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
}

input, textarea, select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-sm);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  outline: none;
  appearance: none;
}

input::placeholder, textarea::placeholder { color: #b0aba3; }

input:focus, textarea:focus, select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(201,169,110,0.15);
}

textarea { resize: vertical; min-height: 110px; }

.select-wrapper {
  position: relative;
}

.select-wrapper::after {
  content: '';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--color-text-muted);
  pointer-events: none;
}

.contact-form .btn {
  margin-top: var(--space-md);
}

.form-note {
  margin-top: var(--space-sm);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
}

.form-note a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-success {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: var(--space-sm) var(--space-md);
  background: #f0faf4;
  border: 1px solid #b7dfc5;
  border-radius: var(--radius-md);
  margin-top: var(--space-md);
  color: #2d6a4f;
  font-size: var(--text-sm);
}

.form-success[hidden] { display: none; }

.form-success svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}


/* ==========================================================================
   13. FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--color-bg-dark);
  color: rgba(255,255,255,0.6);
  padding-top: var(--space-2xl);
}

.site-footer .logo {
  color: var(--color-white);
  display: inline-block;
  margin-bottom: var(--space-md);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
  font-size: var(--text-sm);
  line-height: 1.8;
  max-width: 280px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.footer-nav h4 {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-nav a {
  font-size: var(--text-sm);
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-md);
  gap: var(--space-md);
}

.footer-copy {
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social a {
  display: flex;
  align-items: center;
  color: rgba(255,255,255,0.4);
  transition: color var(--transition);
}

.footer-social a:hover { color: var(--color-accent); }

.footer-social svg {
  width: 18px;
  height: 18px;
}


/* ==========================================================================
   14. ANIMACIONES DE ENTRADA (Intersection Observer)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

.reveal--delay-1 { transition-delay: 0.12s; }
.reveal--delay-2 { transition-delay: 0.24s; }
.reveal--delay-3 { transition-delay: 0.36s; }
.reveal--delay-4 { transition-delay: 0.48s; }


/* ==========================================================================
   15. RESPONSIVE — Mobile First
   ========================================================================== */

/* ── Tablet → ≥ 768px ── */
@media (min-width: 768px) {
  .hide-sm { display: block; }

  .hero-scroll {
    display: flex;
  }
}

/* ── Desktop → ≥ 1024px ── */
@media (min-width: 1024px) {
  .hamburger { display: none; }
  .main-nav  { display: block; }
}


/* ── Mobile → < 768px ── */
@media (max-width: 767px) {

  /* Marquee — 20% más lento en móvil (30s × 1.25 = 37.5s) */
  .track-left  { animation-duration: 37.5s !important; }
  .track-right { animation-duration: 37.5s !important; }

  /* Header — glassmorphism blanco, logo izq · hamburguesa der */
  .site-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding-block: 12px;
  }

  /* Logo — escala legible en móvil */
  .logo { gap: 2px; }

  .logo-line1,
  .logo-line2 {
    font-size: 14px;
    letter-spacing: 0.1em;
  }

  /* Hamburger — gold técnico */
  .hamburger {
    display: flex;
    z-index: 10;
  }

  .hamburger span { background: #B38728; }

  .main-nav {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.97);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
    z-index: 5;
  }

  .main-nav.is-open {
    opacity: 1;
    visibility: visible;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
  }

  .main-nav a {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 500;
    color: var(--color-white);
  }

  .nav-cta {
    border: none !important;
    color: var(--color-accent) !important;
  }

  /* Hero — hueco superior reducido, texto centrado */
  .hero {
    align-items: center;
    padding-top: 40px;
    padding-bottom: 3rem;
    text-align: center;
  }

  .hero-content {
    text-align: center;
    max-width: 100%;
  }

  .hero-title {
    font-size: 32px;
    line-height: 1.2;
  }

  .hero-subtitle { max-width: 100%; }

  /* CTAs — apilados verticalmente, ancho completo */
  .hero-ctas {
    flex-direction: column;
    gap: 15px;
  }

  .hero-ctas .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .hero-scroll { display: none; }

  /* Value props — mobile ya cubierto por @media dentro de la sección */

  /* Projects */
  .project-item,
  .project-item--reverse {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: var(--space-lg);
  }

  .project-desc { max-width: 100%; }

  /* Why us */
  .why-stats {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; }
  .form-row     { grid-template-columns: 1fr; }
  .contact-desc { max-width: 100%; }

  /* Footer */
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-nav {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
}


/* ── Small mobile → < 480px ── */
@media (max-width: 479px) {

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

  .hero-ctas { flex-direction: column; align-items: flex-start; }

  .btn { width: 100%; justify-content: center; }
}


/* ==========================================================================
   16. FOCO & ACCESIBILIDAD
   ========================================================================== */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  /* Marquesina: se mantiene activa incluso con reduced-motion (override explícito) */
  .marquee-track {
    animation-play-state: running !important;
  }
}