/* ============================================
   COMPONENTS.CSS — Winkul.ai
   Section-specific styles
   ============================================ */

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: transparent;
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}

.site-header.scrolled {
  background-color: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-borde);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

/* Nav */
.nav-menu {
  display: none;
  gap: var(--espacio-md);
}

.nav-link {
  font-size: 0.8125rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-texto-secundario);
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-texto);
}

/* Hamburger */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  position: relative;
  z-index: 10001;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background-color: var(--color-texto);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Language toggle */
.lang-toggle {
  font-family: var(--fuente-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-texto-secundario);
  border: 1px solid var(--color-borde);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.lang-toggle:hover {
  color: var(--color-texto);
  border-color: var(--color-texto-secundario);
}

/* header-controls: lang + hamburger grouped on right */
.header-controls {
  display: flex;
  align-items: center;
  gap: var(--espacio-sm);
  position: relative;
  z-index: 10001;
}

/* Mobile menu open */
.nav-menu.is-open {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #0a0a0a;
  align-items: center;
  justify-content: center;
  gap: var(--espacio-md);
  z-index: 10000;
  isolation: isolate;
}

.nav-menu.is-open .nav-link {
  font-size: 1.25rem;
}

/* Desktop header */
@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav-menu {
    display: flex;
    position: static;
    background: none;
    flex-direction: row;
  }
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--espacio-xl) 0 var(--espacio-lg);
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.03) 0%,
    rgba(255, 255, 255, 0.01) 40%,
    transparent 70%
  );
  pointer-events: none;
}

/* ============================================
   HERO BACKGROUND SYSTEM — noise + grid + dark zones + parallax
   PARA REVERTIR: eliminar este bloque completo hasta END HERO BACKGROUND SYSTEM
   Archivos afectados: components.css (este bloque), main.js (initHeroBackground)
   Elementos HTML afectados: .hero-zone-1, .hero-zone-2 (en index.html)
   ============================================ */

/* Capa 0: Noise/grain — página completa, solo CSS, sin JS, sin archivos externos
   PARA REVERTIR SOLO EL RUIDO: eliminar el bloque body::after */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  opacity: 0.12;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='turbulence' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  background-repeat: repeat;
}

/* Capa 1: Grid estructural — página completa, solo CSS, sin JS
   PARA REVERTIR SOLO EL GRID: eliminar el bloque body::before
   Parámetros ajustables:
     background-size → tamaño de celda (30px = actual, 80px = medio, 120px = grande)
     rgba último valor → opacidad de línea (0.04 = actual, rango seguro: 0.03–0.08) */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 25px 25px;
}

/* Capa 2: Dark zones con parallax — página completa, position fixed
   Requiere: .bg-zone-1 y .bg-zone-2 en index.html + initBgParallax() en main.js
   PARA REVERTIR: eliminar este bloque CSS + los 2 divs en HTML + initBgParallax() en JS */

/* Contenido sobre dark zones — main/footer z-index: 5, header mantiene su z-index: 100 propio */
main,
.site-footer {
  position: relative;
  z-index: 5;
}

.bg-zone-1,
.bg-zone-2 {
  position: fixed;
  pointer-events: none;
  will-change: transform;
  transition: transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 4;
}

/* Zona grande, desplazada arriba-izquierda — oscurece la grilla en esa área */
.bg-zone-1 {
  top: -60%;
  left: -30%;
  width: 100%;
  height: 200vh;
  background: radial-gradient(ellipse at 35% 38%, rgba(4, 4, 10, 0.5) 0%, rgba(4, 4, 10, 0.2) 35%, transparent 60%);
}

/* Zona más chica, abajo-derecha, forma diferente */
.bg-zone-2 {
  bottom: -60%;
  right: -25%;
  width: 80%;
  height: 180vh;
  background: radial-gradient(ellipse at 65% 60%, rgba(3, 3, 8, 0.4) 0%, rgba(3, 3, 8, 0.15) 32%, transparent 58%);
}

/* ============================================
   END HERO BACKGROUND SYSTEM — noise + grid + dark zones
   ============================================ */

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  margin-bottom: var(--espacio-sm);
}

.hero-subtitulo {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-texto-secundario);
  max-width: 640px;
  margin: 0 auto var(--espacio-md);
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
}

/* Casos CTA block */
.casos-cta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: var(--espacio-lg) 0 var(--espacio-sm);
}

.casos-cta-texto {
  font-size: 1rem;
  color: var(--color-texto-secundario);
  margin: 0;
}

/* Quick Assessment link */
.btn-assessment {
  display: inline-block;
  font-family: var(--fuente-mono);
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-texto);
  text-decoration: underline;
  text-underline-offset: 3px;
  letter-spacing: 0.03em;
  transition: opacity 0.2s ease;
  white-space: nowrap;
}

.btn-assessment:hover {
  opacity: 0.7;
}

/* Buttons */
.btn-primario {
  display: inline-block;
  font-family: var(--fuente-mono);
  font-size: 0.875rem;
  font-weight: 500;
  background-color: var(--color-acento);
  color: var(--color-fondo);
  padding: 0.875rem 2rem;
  border-radius: 6px;
  border: none;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  cursor: pointer;
  text-align: center;
}

.btn-primario:hover {
  box-shadow: 0 0 30px rgba(243, 244, 246, 0.15);
  transform: translateY(-1px);
}

.btn-secundario {
  display: inline-block;
  font-family: var(--fuente-mono);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-texto-secundario);
  padding: 0.875rem 2rem;
  border: 1px solid var(--color-borde);
  border-radius: 6px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.btn-secundario:hover {
  color: var(--color-texto);
  border-color: var(--color-texto-secundario);
}

/* ============================================
   SECTION SHARED
   ============================================ */
section {
  padding: var(--espacio-lg) 0;
}

@media (min-width: 768px) {
  section {
    padding: var(--espacio-xl) 0;
  }
}

.section-subtitulo {
  color: var(--color-texto-secundario);
  font-size: clamp(1rem, 2vw, 1.125rem);
  margin-top: var(--espacio-sm);
  margin-bottom: var(--espacio-lg);
  max-width: 560px;
}

h2 + .section-subtitulo {
  margin-top: var(--espacio-xs);
}

/* ============================================
   THE SHIFT
   ============================================ */
.section-shift {
  padding: var(--espacio-xl) 0;
  text-align: center;
}

.shift-content {
  max-width: 800px;
  margin: 0 auto;
}

.shift-texto {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 400;
  line-height: 1.5;
  margin-bottom: var(--espacio-md);
  max-width: none;
}

.shift-highlight {
  font-weight: 600;
  opacity: 1;
  color: var(--color-texto);
}

/* ============================================
   PRODUCTS
   ============================================ */
.productos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--espacio-sm);
}

@media (min-width: 768px) {
  .productos-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--espacio-md);
  }
}

/* GLASS CARDS — para revertir: restaurar background-color + border originales, eliminar backdrop-filter y el segundo bloque :hover */
.producto-card {
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(rgba(22, 21, 18, 0.72), rgba(22, 21, 18, 0.72)) padding-box,
    linear-gradient(
      135deg,
      rgba(255, 252, 240, 0.18) 0%,
      rgba(255, 252, 240, 0.06) 40%,
      rgba(255, 252, 240, 0.015) 75%,
      rgba(255, 252, 240, 0.07) 100%
    ) border-box;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: var(--espacio-md);
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.producto-card:hover {
  background:
    linear-gradient(rgba(28, 27, 23, 0.82), rgba(28, 27, 23, 0.82)) padding-box,
    linear-gradient(
      135deg,
      rgba(255, 252, 240, 0.32) 0%,
      rgba(255, 252, 240, 0.10) 40%,
      rgba(255, 252, 240, 0.03) 75%,
      rgba(255, 252, 240, 0.13) 100%
    ) border-box;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 252, 240, 0.08);
}

.producto-icono {
  width: 96px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--espacio-sm);
}

.producto-icono-img {
  width: 96px;
  height: 96px;
  object-fit: contain;
}

.producto-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--espacio-xs);
}

.producto-card p {
  color: var(--color-texto-secundario);
  font-size: 0.9375rem;
  margin-bottom: var(--espacio-sm);
}

.producto-resultado {
  display: block;
  font-family: var(--fuente-mono);
  font-size: 0.8125rem;
  color: var(--color-acento);
  opacity: 0.7;
  padding-top: var(--espacio-sm);
  border-top: 1px solid var(--color-borde);
  margin-top: auto;
}

/* ============================================
   PRIVATE BY DESIGN
   ============================================ */
.infra-tag {
  display: inline-block;
  font-family: var(--fuente-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-texto-secundario);
  border: 1px solid var(--color-borde);
  border-radius: 100px;
  padding: 0.25rem 0.75rem;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Sistema flow — winkul image full width */
.sistema-flow {
  margin: var(--espacio-md) auto;
  text-align: center;
}

.sistema-winkul-img {
  width: 100%;
  max-width: 900px;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* Key phrase */
.sistema-frase {
  text-align: center;
  font-size: 1rem;
  font-weight: 300;
  color: var(--color-texto-secundario);
  font-style: italic;
  margin-top: calc(var(--espacio-sm) * -0.25);
}

/* Privacy note */
.privacidad-nota {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--espacio-sm);
  margin: var(--espacio-md) auto 0;
  max-width: 640px;
  padding: var(--espacio-sm) var(--espacio-md);
  border: 1px solid var(--color-borde);
  border-radius: 10px;
  background-color: var(--color-card);
}

.privacidad-nota p {
  font-size: 0.875rem;
  color: var(--color-texto-secundario);
  margin: 0;
  line-height: 1.65;
}

/* ============================================
   HOW WE WORK
   ============================================ */
.proceso-timeline {
  position: relative;
  padding-left: var(--espacio-md);
}

.proceso-timeline::before {
  content: '';
  position: absolute;
  left: 1rem;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: var(--color-borde);
}

@media (min-width: 768px) {
  .proceso-timeline {
    padding-left: var(--espacio-lg);
  }

  .proceso-timeline::before {
    left: 2rem;
  }
}

.proceso-step {
  display: flex;
  gap: var(--espacio-sm);
  padding-bottom: var(--espacio-lg);
  position: relative;
}

.proceso-step:last-child {
  padding-bottom: 0;
}

.proceso-numero {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  position: relative;
  color: var(--color-texto-secundario);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-borde);
  border-radius: 10px;
}

.proceso-numero::before {
  content: '';
  position: absolute;
  left: -1.5rem;
  top: 0.5rem;
  width: 7px;
  height: 7px;
  background-color: var(--color-texto-secundario);
  border-radius: 50%;
}

@media (min-width: 768px) {
  .proceso-numero::before {
    left: -2.5rem;
  }
}

.proceso-info h3 {
  font-size: 1.25rem;
  margin-bottom: var(--espacio-xs);
}

.proceso-info p {
  color: var(--color-texto-secundario);
  font-size: 0.9375rem;
}

/* ============================================
   CASE STUDIES — STATIC GRID
   ============================================ */

.casos-grid-static {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--espacio-md);
  margin-top: var(--espacio-md);
}

@media (min-width: 768px) {
  .casos-grid-static {
    grid-template-columns: repeat(3, 1fr);
  }
}

.caso-card {
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(rgba(22, 21, 18, 0.72), rgba(22, 21, 18, 0.72)) padding-box,
    linear-gradient(
      135deg,
      rgba(255, 252, 240, 0.18) 0%,
      rgba(255, 252, 240, 0.06) 40%,
      rgba(255, 252, 240, 0.015) 75%,
      rgba(255, 252, 240, 0.07) 100%
    ) border-box;
  border: 1px solid transparent;
  border-radius: 12px;
  overflow: hidden;
  padding: 0;
  transition: background 0.4s ease, box-shadow 0.4s ease, transform 0.3s ease;
}

.caso-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  border-radius: 0;
}

.caso-card .caso-industria,
.caso-card .caso-resultado,
.caso-card .caso-sistema {
  padding-left: var(--espacio-md);
  padding-right: var(--espacio-md);
}

.caso-card .caso-industria {
  padding-top: var(--espacio-md);
}

.caso-card .caso-sistema {
  padding-bottom: var(--espacio-md);
}

@media (min-width: 768px) {
  .caso-card {
    flex: 0 0 360px;
  }
}

.caso-card:hover {
  background:
    linear-gradient(rgba(28, 27, 23, 0.82), rgba(28, 27, 23, 0.82)) padding-box,
    linear-gradient(
      135deg,
      rgba(255, 252, 240, 0.32) 0%,
      rgba(255, 252, 240, 0.10) 40%,
      rgba(255, 252, 240, 0.03) 75%,
      rgba(255, 252, 240, 0.13) 100%
    ) border-box;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 252, 240, 0.08);
  transform: translateY(-2px);
}

.caso-industria {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #ffffff;
  margin-bottom: var(--espacio-sm);
}

.caso-resultado {
  font-size: 0.9375rem;
  color: var(--color-texto-secundario);
  margin-bottom: var(--espacio-sm);
}

.caso-sistema {
  display: inline-block;
  font-family: var(--fuente-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-acento);
  opacity: 0.6;
  border: 1px solid var(--color-borde);
  border-radius: 100px;
  padding: 0.2rem 0.6rem;
  margin-top: auto;
}

/* ============================================
   CLOSING STATEMENT
   ============================================ */
.section-cierre {
  text-align: center;
  padding: var(--espacio-xl) 0;
}

.cierre-texto {
  border: none;
}

.cierre-texto p {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 600;
  line-height: 1.3;
  max-width: none;
}

/* ============================================
   CONTACT FORM
   ============================================ */
.section-contacto {
  border-top: 1px solid var(--color-borde);
}

.section-contacto .container {
  max-width: 720px;
}

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

@media (min-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--espacio-sm) var(--espacio-md);
  }
}

.form-grupo {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  margin-bottom: var(--espacio-xs);
}

.form-grupo--full {
  margin-top: var(--espacio-xs);
}

@media (min-width: 768px) {
  .form-grupo--full {
    grid-column: 1 / -1;
  }
}

.form-grupo label {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-texto-secundario);
}

.required {
  color: var(--color-texto-secundario);
  opacity: 0.5;
}

.optional {
  opacity: 0.5;
}

.form-grupo input,
.form-grupo select,
.form-grupo textarea {
  background-color: var(--color-card);
  border: 1px solid var(--color-borde);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--color-texto);
  transition: border-color 0.2s ease;
  width: 100%;
}

.form-grupo input:focus,
.form-grupo select:focus,
.form-grupo textarea:focus {
  outline: none;
  border-color: var(--color-acento);
}

.form-grupo select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%239CA3AF' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-grupo textarea {
  resize: vertical;
  min-height: 100px;
}

/* Form error states */
.form-grupo--error input,
.form-grupo--error select,
.form-grupo--error textarea {
  border-color: #EF4444;
}

.form-error {
  font-size: 0.75rem;
  color: #EF4444;
  margin-top: 0.25rem;
}

.form-submit {
  margin-top: var(--espacio-md);
  text-align: center;
}

.form-submit .btn-primario {
  width: 100%;
  max-width: 320px;
}

/* Form success */
.form-success {
  text-align: center;
  padding: var(--espacio-md);
  border: 1px solid var(--color-borde);
  border-radius: 12px;
  margin-top: var(--espacio-md);
}

.form-success p {
  color: var(--color-acento);
  max-width: none;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  border-top: 1px solid var(--color-borde);
  padding: var(--espacio-lg) 0 var(--espacio-md);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--espacio-md);
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    align-items: flex-start;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--espacio-xs);
}

.footer-email {
  font-size: 0.875rem;
  color: var(--color-texto-secundario);
  transition: color 0.2s ease;
}

.footer-email:hover {
  color: var(--color-texto);
}

.footer-locations {
  font-size: 0.8rem;
  color: var(--color-texto-secundario);
  opacity: 0.5;
  font-family: var(--fuente-mono);
  letter-spacing: 0.04em;
}

.footer-nav {
  display: flex;
  gap: var(--espacio-sm);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-nav a {
  font-size: 0.8125rem;
  color: var(--color-texto-secundario);
  transition: color 0.2s ease;
}

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

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-texto-secundario);
  opacity: 0.6;
  width: 100%;
  text-align: center;
  padding-top: var(--espacio-md);
  border-top: 1px solid var(--color-borde);
  max-width: none;
}