/* ============================================================
   CARBOOST PERU — styles.css
   Estilo: Clean & Bold — Space Grotesk + Inter
   ============================================================ */

/* RESET + TOKENS */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:   #050505;
  --dark:    #0a0a0a;
  --mid:     #888888;
  --light:   #111111;
  --white:   #ffffff;
  --wa:      #25D366;
  --border:  #222222;
  --font-h:  'Space Grotesk', sans-serif;
  --font-b:  'Inter', sans-serif;
  --font-b:  'Inter', sans-serif;
  --max-w:   1240px;
  --nav-h:   120px;

  /* Glassmorphism settings */
  --glass-bg: rgba(25, 25, 25, 0.4);
  --glass-border: rgba(255, 255, 255, 0.08);
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-b); color: var(--white); background: var(--black); overflow-x: hidden; }

/* ════ LOADER ════ */
.loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--black); display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 32px;
}
.loader-logo { opacity: 0; transform: translateY(20px); }

.loader-bar {
  width: 200px; height: 1px; background: rgba(255,255,255,0.1); overflow: hidden;
  opacity: 0; transform: translateY(20px);
}
.loader-progress { width: 0%; height: 100%; background: var(--white); }

img  { display: block; max-width: 100%; height: auto; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ============================================================
   BOTONES
   ============================================================ */
.btn {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-h); font-weight: 700; font-size: 12px;
  letter-spacing: 2px; text-transform: uppercase;
  padding: 14px 32px; border-radius: 2px; cursor: pointer;
  transition: all 0.2s ease; white-space: nowrap; border: 2px solid transparent;
  user-select: none; -webkit-user-select: none; -webkit-tap-highlight-color: transparent;
}
.btn-primary  { background: var(--white); color: var(--dark); border-color: var(--white); }
.btn-primary:hover { background: transparent; color: var(--white); }
.btn-ghost    { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.5); }
.btn-ghost:hover { border-color: var(--white); }
.btn-dark     { background: var(--dark); color: var(--white); border-color: var(--dark); }
.btn-dark:hover { background: transparent; color: var(--dark); }
.btn-whatsapp { background: var(--wa); color: var(--white); border-color: var(--wa); }
.btn-whatsapp:hover { background: #1ebe5d; border-color: #1ebe5d; }
.btn-sm { padding: 10px 20px; font-size: 10px; }

/* ============================================================
   TIPOGRAFÍA COMPARTIDA
   ============================================================ */
.section-label {
  font-family: var(--font-h); font-size: 10px; font-weight: 700;
  letter-spacing: 5px; text-transform: uppercase; color: var(--mid);
  margin-bottom: 16px; display: block;
}
.section-label.light { color: rgba(255,255,255,0.4); }

.section-title {
  font-family: var(--font-h); font-size: clamp(24px, 4vw, 42px);
  font-weight: 900; letter-spacing: -1px; line-height: 1.05;
  color: var(--white); margin-bottom: 48px; text-transform: uppercase;
}
.section-title.light { color: var(--white); }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: transparent;
  transition: background 0.4s ease, backdrop-filter 0.4s ease;
}
.navbar.scrolled {
  background: rgba(10,10,10,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.nav-container {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; gap: 32px;
}
.nav-logo { display: flex; align-items: center; margin-left: -28px; }
.nav-logo img { height: 96px; width: auto; object-fit: contain; transform-origin: left center; transform: scale(2.2); transition: transform 0.3s; }
.nav-logo img:hover { transform: scale(2.3); }
.nav-links { display: flex; gap: 32px; margin-left: auto; }
.nav-links a {
  font-family: var(--font-h); font-size: 11px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,0.65);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--white); }
.nav-cta {
  font-family: var(--font-h); font-size: 11px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  padding: 10px 22px; background: var(--wa); color: var(--white);
  border-radius: 2px; transition: all 0.2s; border: 2px solid var(--wa);
  display: flex; align-items: center; gap: 8px;
}
.nav-cta:hover { background: #1ebe5d; color: var(--white); border-color: #1ebe5d; transform: scale(1.05); }
.hamburger {
  display: none; flex-direction: column; justify-content: center;
  gap: 5px; cursor: pointer; background: none; border: none;
  padding: 4px; margin-left: auto;
}
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); transition: all 0.3s; }
.nav-login-btn {
  font-family: var(--font-h); font-size: 11px; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase;
  padding: 8px 16px; background: rgba(255,255,255,0.05); color: var(--white);
  border-radius: 4px; transition: all 0.2s; border: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; gap: 8px;
}
.nav-login-btn:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.3); transform: scale(1.05); }
.nav-login-mobile { display: none; } /* hidden on desktop, shown in mobile open menu */

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta   { display: none; }
  .nav-login-btn { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column; gap: 0;
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: var(--black); padding: 16px 24px 32px;
  }
  .nav-links.open li a {
    display: block; padding: 16px 0; font-size: 16px;
    color: var(--white); border-bottom: 1px solid #1a1a1a;
    letter-spacing: 2px;
  }
  .nav-links.open .nav-login-mobile {
    display: block !important;
  }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; height: 100vh; min-height: 640px;
  display: flex; align-items: stretch; justify-content: center;
  overflow: hidden; background: var(--black);
}
.hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0;
  transition: opacity 0s;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  will-change: opacity;
}
.hero-video.active { opacity: 0.75; }
.hero-sound-container {
  position: absolute; bottom: 32px; right: 32px; z-index: 10;
  display: flex; align-items: center; gap: 12px;
}
.hero-volume-slider {
  width: 80px; height: 4px; -webkit-appearance: none;
  background: rgba(255,255,255,0.2); border-radius: 4px;
  outline: none; pointer-events: auto; opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease; transform: translateX(10px);
}
.hero-sound-container:hover .hero-volume-slider,
.hero-volume-slider:focus {
  opacity: 1; transform: translateX(0);
}
.hero-volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 12px; height: 12px; border-radius: 50%;
  background: var(--white); cursor: pointer; transition: transform 0.1s;
}
.hero-volume-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }
@media (max-width: 768px) {
  .hero-volume-slider { display: none; }
}
.hero-sound-btn {
  pointer-events: auto;
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.6); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s ease;
}
.hero-sound-btn:hover {
  background: rgba(255,255,255,0.15);
  color: white; border-color: rgba(255,255,255,0.3);
  transform: scale(1.08);
}
.hero-sound-btn.active {
  background: rgba(255,255,255,0.15);
  color: white; border-color: rgba(255,255,255,0.35);
  animation: soundPulse 2s ease infinite;
}
@keyframes soundPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,255,255,0.2); }
  50% { box-shadow: 0 0 0 8px rgba(255,255,255,0); }
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.2) 0%,
    rgba(0,0,0,0.5) 50%,
    rgba(0,0,0,0.85) 100%
  );
}
.hero-content {
  position: relative; z-index: 2; text-align: left;
  padding: 180px 24px 80px; width: 100%; max-width: var(--max-w);
  margin: 0 auto;
}
.hero-label {
  font-family: var(--font-h); font-size: 11px; font-weight: 700;
  letter-spacing: 5px; text-transform: uppercase;
  color: rgba(255,255,255,0.4); margin-bottom: 20px;
}
.hero-title {
  font-family: var(--font-h);
  font-size: clamp(52px, 9.5vw, 110px);
  font-weight: 900; letter-spacing: -3px; line-height: 0.9;
  color: var(--white); margin-bottom: 32px;
  text-transform: uppercase;
}
.hero-subtitle {
  font-size: clamp(14px, 1.5vw, 17px); color: rgba(255,255,255,0.55);
  line-height: 1.7; margin-bottom: 48px;
}
.hero-actions {
  display: flex; gap: 16px; justify-content: flex-start; flex-wrap: wrap;
  position: absolute; bottom: 80px; left: 24px;
}
.hero-scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.hero-scroll span {
  display: block; width: 1px; height: 56px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.4));
  animation: scrollLine 2.2s ease-in-out infinite;
}
.hero-scroll p { font-size: 9px; color: rgba(255,255,255,0.25); letter-spacing: 4px; text-transform: uppercase; }
@keyframes scrollLine {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(1); transform-origin: bottom; }
}

/* ============================================================
   MARCAS
   ============================================================ */
.brands {
  background: var(--dark); border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border); padding: 24px 0; overflow: hidden;
}
.brands-label {
  text-align: center; font-family: var(--font-h); font-size: 9px;
  font-weight: 700; letter-spacing: 5px; color: var(--mid);
  text-transform: uppercase; margin-bottom: 14px;
}
.brands-marquee { overflow: hidden; }
.brands-track {
  display: flex; gap: 56px; width: max-content;
  animation: marquee 22s linear infinite;
}
.brands-track span {
  font-family: var(--font-h); font-size: 13px; font-weight: 700;
  letter-spacing: 4px; color: var(--mid); white-space: nowrap;
  text-transform: uppercase;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   LÍNEAS DE PRODUCTO
   ============================================================ */
.product-lines { background: var(--dark); padding: 120px 0; }
.product-lines .section-title { font-size: clamp(28px, 4vw, 42px); }
.plines-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; }
.pline-card { background: var(--black); border: 1px solid var(--border); border-radius: 4px; overflow: hidden; display: flex; flex-direction: column; }
.pline-img { aspect-ratio: 4/3; background: #111; overflow: hidden; }
.pline-img img { width: 100%; height: 100%; object-fit: cover; display: block; opacity: 0.8; transition: opacity 0.3s, transform 3s ease; }
.pline-card:hover .pline-img img { opacity: 1; transform: scale(1.05); }
.pline-info { padding: 32px 24px; text-align: left; flex: 1; display: flex; flex-direction: column; justify-content: flex-start; }
.pline-info h3 { font-family: var(--font-h); font-size: 20px; font-weight: 700; margin-bottom: 16px; color: var(--white); text-align: center; }
.pline-info p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.6; margin: 0; text-align: justify; }
@media (max-width: 900px) {
  .plines-grid { grid-template-columns: repeat(1, 1fr); }
}

/* ============================================================
   FEATURES
   ============================================================ */
.features { position: relative; padding: 160px 0; overflow: hidden; background: var(--black); }
.features-bg { position: absolute; inset: 0; }
.features-bg img { width: 100%; height: 100%; object-fit: cover; }
.features-bg-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(5,5,5,0.95) 0%, rgba(5,5,5,0.7) 100%);
}
.features .container { position: relative; z-index: 1; }
.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; max-width: 840px; }
.feature-card {
  padding: 44px 40px; border-left: 3px solid var(--wa);
  background: var(--glass-bg); backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px); border: 1px solid var(--glass-border);
  transition: transform 0.4s ease, border-color 0.4s ease;
  border-radius: 8px;
}
.feature-card:hover { transform: translateY(-5px); border-color: rgba(255,255,255,0.2); }
.feature-icon { font-size: 22px; margin-bottom: 18px; color: var(--white); }
.feature-card h3 {
  font-family: var(--font-h); font-size: 13px; font-weight: 900;
  letter-spacing: 2px; margin-bottom: 10px; text-transform: uppercase; color: var(--white);
}
.feature-card p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.75; }

/* ============================================================
   CATÁLOGO
   ============================================================ */
.catalog { background: var(--black); padding: 160px 0; }
.catalog-price {
  font-family: var(--font-h); font-size: 16px; font-weight: 700;
  color: var(--white); margin-bottom: 40px; letter-spacing: 0.5px;
}
.catalog-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 48px; }
.filter-btn {
  font-family: var(--font-h); font-size: 10px; font-weight: 700;
  letter-spacing: 2px; padding: 10px 22px; border: 1px solid var(--border);
  background: transparent; color: var(--white); cursor: pointer; border-radius: 50px;
  transition: all 0.2s; text-transform: uppercase;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--white); color: var(--black); border-color: var(--white);
}
.catalog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; perspective: 1500px; }
.product-card { 
  background: var(--glass-bg); border: 1px solid var(--glass-border); 
  border-radius: 12px; overflow: hidden; transform-style: preserve-3d;
  will-change: transform; transition: border-color 0.4s;
}
.product-card:hover { border-color: rgba(255,255,255,0.2); }
.product-card.hidden { display: none; }
.product-img { position: relative; overflow: hidden; aspect-ratio: 4/5; }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.product-card:hover .product-img img { transform: scale(1.06); }
.product-overlay {
  position: absolute; inset: 0; background: rgba(0,0,0,0.52);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.3s;
}
.product-card:hover .product-overlay { opacity: 1; }
.product-wa {
  font-family: var(--font-h); font-size: 11px; font-weight: 700;
  letter-spacing: 2px; padding: 12px 24px;
  background: var(--wa); color: var(--white); border-radius: 2px;
  transition: background 0.2s;
}
.product-wa:hover { background: #1ebe5d; }
.product-info { padding: 26px; transform: translateZ(30px); }
.product-info h3 {
  font-family: var(--font-h); font-size: 16px; font-weight: 900;
  margin-bottom: 6px; color: var(--white);
}
.product-info p { font-size: 12px; color: rgba(255,255,255,0.5); margin-bottom: 24px; }
.product-footer { display: flex; align-items: center; justify-content: space-between; }
.product-price { font-family: var(--font-h); font-size: 20px; font-weight: 900; color: var(--white); }

/* ============================================================
   BUSCADOR DE MODELOS
   ============================================================ */
.buscador { padding: 120px 0; background: var(--dark); }
.buscador-form {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px; padding: 40px;
}
.buscador-selects {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 20px; align-items: end;
}
@media(max-width: 768px) {
  .buscador-selects { grid-template-columns: 1fr; }
}
.buscador-group { display: flex; flex-direction: column; gap: 8px; }
.buscador-group label {
  font-family: var(--font-h); font-size: 11px; font-weight: 700;
  letter-spacing: 2px; color: rgba(255,255,255,0.5);
}
.buscador-group select {
  padding: 14px 16px; background: #1a1a1a;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--white); font-family: var(--font-b); font-size: 15px;
  border-radius: 4px; cursor: pointer; transition: border-color 0.2s;
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M1.5 5.5l6.5 6.5 6.5-6.5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}
.buscador-group select:focus { outline: none; border-color: var(--white); }
.buscador-group select:disabled { opacity: 0.4; cursor: not-allowed; }
.buscador-btn { height: 48px; min-width: 160px; }

.stock-result { margin-top: 40px; }
.stock-result-content {
  display: grid; grid-template-columns: 280px 1fr;
  gap: 32px; align-items: start;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px; padding: 32px; animation: fadeUp 0.4s ease;
}
@media(max-width: 768px) {
  .stock-result-content { grid-template-columns: 1fr; }
}
.stock-result-img {
  border-radius: 6px; overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  background: #0a0a0a;
  display: flex; align-items: center; justify-content: center;
}
.stock-result-img img { width: 100%; height: auto; display: block; object-fit: contain; }
.stock-result-info { display: flex; flex-direction: column; gap: 16px; }
.result-msg { font-size: 15px; line-height: 1.7; color: rgba(255,255,255,0.8); }
.result-msg strong { color: var(--white); }

.pdf-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.btn-pdf {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-h); font-weight: 700; font-size: 11px;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 12px 20px; border-radius: 4px; cursor: pointer;
  transition: all 0.2s ease; border: 1px solid transparent;
  text-decoration: none;
}
.btn-pdf--view {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.15); color: var(--white);
}
.btn-pdf--view:hover { border-color: var(--white); }
.btn-pdf--download {
  background: transparent;
  border-color: rgba(255,255,255,0.1); color: rgba(255,255,255,0.6);
}
.btn-pdf--download:hover { color: var(--white); border-color: rgba(255,255,255,0.3); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   CARRUSEL DE GALERÍA
   ============================================================ */
.carrusel-track {
  display: flex; gap: 16px;
  animation: scrollCarrusel 30s linear infinite;
  width: max-content; padding: 16px 0;
}
.carrusel-track:hover { animation-play-state: paused; }
.carrusel-img {
  width: 260px; height: 180px; object-fit: cover;
  object-position: center bottom;
  border-radius: 8px; cursor: pointer;
  border: 1px solid rgba(255,255,255,0.08);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  flex-shrink: 0;
}
.carrusel-img:hover {
  transform: scale(1.05);
  border-color: rgba(255,255,255,0.25);
  box-shadow: 0 12px 32px rgba(0,0,0,0.5);
}
@keyframes scrollCarrusel {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   TIENDAS
   ============================================================ */
.tiendas { padding: 120px 0; background: var(--black); }
.tienda-card {
  display: flex; gap: 40px; background: #111; border: 1px solid var(--border);
  padding: 40px; border-radius: 4px; margin-top: 48px;
  align-items: center;
}
.tienda-img {
  flex: 0 0 50%; max-width: 50%; border-radius: 4px; overflow: hidden;
}
.tienda-img img {
  width: 100%; height: auto; display: block; object-fit: cover;
}
.tienda-info {
  flex: 1;
}
.tienda-info h3 {
  font-family: var(--font-h); font-size: 32px; font-weight: 700;
  margin-bottom: 16px; color: var(--white);
}
.tienda-info p {
  font-size: 15px; color: rgba(255,255,255,0.6); line-height: 1.6;
  margin-bottom: 32px;
}
.tienda-actions {
  display: flex; gap: 16px; flex-wrap: wrap;
}
@media (max-width: 768px) {
  .tienda-card { flex-direction: column; padding: 24px; gap: 24px; }
  .tienda-img { flex: 0 0 100%; max-width: 100%; }
}

/* ============================================================
   GALERÍA
   ============================================================ */
.gallery { background: var(--black); padding: 120px 0 0; }
.gallery .container { margin-bottom: 56px; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.gallery-item { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.gallery-item img,
.gallery-item video { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; display: block; }
.gallery-item:hover img,
.gallery-item:hover video { transform: scale(1.05); }
.gallery-caption {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 16px 20px;
  background: linear-gradient(to top, rgba(0,0,0,0.75), transparent);
  font-family: var(--font-h); font-size: 11px; font-weight: 700;
  color: rgba(255,255,255,0.65); letter-spacing: 2px; text-transform: uppercase;
  opacity: 0; transition: opacity 0.3s;
}
.gallery-item:hover .gallery-caption { opacity: 1; }

/* ============================================================
   RESISTENCIA
   ============================================================ */
.resistance { background: var(--black); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.resistance-split { display: grid; grid-template-columns: 1fr 1fr; min-height: 620px; }
.resistance-image { overflow: hidden; position: relative; }
.resistance-image img { width: 100%; height: 100%; object-fit: cover; }
.resistance-content {
  background: var(--dark); padding: 80px 8%;
  display: flex; flex-direction: column; justify-content: center;
}
.resistance-content .section-label { color: rgba(255,255,255,0.3); }
.resistance-content h2 {
  font-family: var(--font-h); font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 900; letter-spacing: -1px; line-height: 1.05;
  color: var(--white); margin-bottom: 24px;
}
.resistance-content p {
  font-size: 15px; color: rgba(255,255,255,0.45); line-height: 1.85;
  margin-bottom: 44px;
}

/* ============================================================
   RENDERS 3D
   ============================================================ */
.renders { background: var(--black); padding: 160px 0; perspective: 2000px; }
.renders-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.render-item { 
  background: radial-gradient(circle at center, rgba(30,30,30,1) 0%, rgba(10,10,10,1) 100%); 
  border: 1px solid var(--border);
  aspect-ratio: 4/3; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  transform-style: preserve-3d; transition: transform 0.1s ease;
}
.render-item img { width: 100%; height: auto; object-fit: contain; padding: 40px; transform: translateZ(80px); filter: drop-shadow(0 40px 30px rgba(0,0,0,0.8)); }
.render-item--full { grid-column: 1 / -1; aspect-ratio: 16/7; }
.render-item--full img { padding: 60px; transform: translateZ(100px); }

/* ============================================================
   TESTIMONIOS
   ============================================================ */
.testimonials { background: var(--black); padding: 160px 0; }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { 
  padding: 44px; background: var(--glass-bg); 
  border: 1px solid var(--glass-border); border-radius: 12px;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.stars { font-size: 15px; color: var(--wa); margin-bottom: 20px; letter-spacing: 3px; }
.testimonial-card p {
  font-size: 15px; line-height: 1.85; color: rgba(255,255,255,0.7);
  margin-bottom: 28px; font-style: italic;
}
.testimonial-author {
  font-family: var(--font-h); font-size: 11px; font-weight: 700;
  letter-spacing: 1px; color: var(--white);
}

/* ============================================================
   CTA FINAL
   ============================================================ */
.cta-final { background: var(--dark); padding: 120px 0; text-align: center; }
.cta-logo { margin: 0 auto 36px; opacity: 0.55; }
.cta-title {
  font-family: var(--font-h); font-size: clamp(28px, 5vw, 56px);
  font-weight: 900; letter-spacing: -1px; line-height: 1.0;
  color: var(--white); margin-bottom: 24px;
}
.cta-sub {
  font-size: 15px; color: rgba(255,255,255,0.38); line-height: 1.85;
  margin-bottom: 52px;
}
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--black); padding: 72px 0 0; }
.footer-inner {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px;
  padding-bottom: 56px; border-bottom: 1px solid #161616;
}
.footer-brand img { margin-bottom: 16px; }
.footer-brand p {
  font-size: 13px; color: rgba(255,255,255,0.28); line-height: 1.8;
}
.footer-links, .footer-contact { display: flex; flex-direction: column; gap: 14px; }
.footer-links a, .footer-contact a, .footer-contact span {
  font-size: 13px; color: rgba(255,255,255,0.35); transition: color 0.2s; letter-spacing: 0.5px;
}
.footer-links a:hover, .footer-contact a:hover { color: var(--white); }
.footer-bottom { padding: 22px 24px; text-align: center; }
.footer-bottom span { font-size: 11px; color: rgba(255,255,255,0.18); letter-spacing: 1px; }



/* ============================================================
   BUSCADOR DE STOCK
   ============================================================ */
.stock-search { background: var(--black); padding: 100px 0; border-bottom: 1px solid var(--border); }
.search-box { background: #0f0f0f; border: 1px solid #333; border-radius: 4px; padding: 40px; margin-top: 40px; }
.search-fields { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; margin-bottom: 24px; }
.field-group { display: flex; flex-direction: column; gap: 8px; text-align: left; }
.field-group label { font-family: var(--font-h); font-size: 11px; font-weight: 700; letter-spacing: 2px; color: rgba(255,255,255,0.5); text-transform: uppercase; }
.field-group select {
  width: 100%; padding: 16px 20px; font-family: var(--font-b); font-size: 15px;
  background: var(--dark); border: 1px solid var(--border); color: var(--white);
  border-radius: 2px; outline: none; appearance: none;
  background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23FFFFFF%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
  background-repeat: no-repeat; background-position: right 1.5em top 50%; background-size: 0.8em auto;
  cursor: pointer; transition: border-color 0.2s;
}
.field-group select:focus { border-color: var(--white); }
.field-group select:disabled { opacity: 0.4; cursor: not-allowed; }
.stock-result-area { margin-top: 40px; font-size: 15px; line-height: 1.6; text-align: left; }
.stock-result-content {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center;
  background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.08); 
  border-radius: 4px; padding: 32px;
}
.stock-result-info { display: flex; flex-direction: column; gap: 24px; }
.stock-result-info .result-msg { color: var(--white); font-size: 16px; margin: 0; }
.stock-result-info .btn { width: 100%; display: inline-flex; justify-content: center; }
.stock-result-img { width: 100%; object-fit: cover; aspect-ratio: 16/9; border-radius: 4px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); }

@media (max-width: 768px) {
  .search-fields { grid-template-columns: 1fr; gap: 16px; }
  .stock-result-content { grid-template-columns: 1fr; padding: 24px; }
}

/* ============================================================
   REVEAL ANIMATIONS (Ya no usamos el normal si podemos, pero es fallback)
   ============================================================ */
.reveal {
  opacity: 1; /* GSAP will control this now! */
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .catalog-grid      { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner      { grid-template-columns: 1fr 1fr; }
  .footer-brand      { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  /* En móvil los .MOV no corren en Chrome Android — usar imagen de fondo */
  .hero {
    background-image: url('../assets/images/en-barro-carboost.png');
    background-size: cover;
    background-position: center center;
  }
  /* video totalmente opaco en movil para cubrir la foto de fondo */
  .hero-video.active { opacity: 1; }
  .hero-overlay {
    background: linear-gradient(
      to bottom,
      rgba(0,0,0,0.45) 0%,
      rgba(0,0,0,0.6) 50%,
      rgba(0,0,0,0.88) 100%
    );
  }
  .hero-title { letter-spacing: -2px; }
  .features-grid   { grid-template-columns: 1fr; }
  .catalog-grid    { grid-template-columns: 1fr; }
  .gallery-grid    { grid-template-columns: repeat(2, 1fr); }
  .resistance-split { grid-template-columns: 1fr; }
  .resistance-image { aspect-ratio: 16/9; }
  .resistance-content { padding: 56px 28px; }
  .renders-grid    { grid-template-columns: 1fr; }
  .render-item--full { aspect-ratio: 4/3; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-inner    { grid-template-columns: 1fr; gap: 32px; }
  .cta-actions     { flex-direction: column; align-items: center; }
  .wa-float span   { display: none; }
  .wa-float        { padding: 16px; border-radius: 50%; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .hero-title   { letter-spacing: -1.5px; }
}



/* ============================================================
   BOTONES PDF (ficha técnica + descarga)
   ============================================================ */
.pdf-actions {
  display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px;
}
.btn-pdf {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-h); font-size: 10px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; padding: 11px 18px;
  border-radius: 2px; cursor: pointer; transition: all 0.2s; white-space: nowrap;
  text-decoration: none;
}
.btn-pdf--view {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--white);
}
.btn-pdf--view:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.06);
}
.btn-pdf--download {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.7);
}
.btn-pdf--download:hover {
  background: rgba(255,255,255,0.15);
  color: var(--white);
}

/* ============================================================
   MODAL: AGENDAR CITA
   ============================================================ */
.appointment-modal {
  position: fixed; inset: 0; z-index: 9999;
  width: 100vw; height: 100vh;
  margin: 0; padding: 0;
  border: none; background: transparent;
  display: none; align-items: center; justify-content: center;
}
.appointment-modal.open {
  display: flex;
}
.appointment-modal-bg, .appointment-close-bg {
  position: absolute; inset: 0;
  background: rgba(5,5,5,0.85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  width: 100%; height: 100%; border: none; cursor: pointer;
}
.appointment-content {
  position: relative; z-index: 10000;
  width: 100%; max-width: 500px;
  padding: 24px;
}
.appointment-card {
  position: relative;
  background: #0f0f0f;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px; padding: 40px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.8);
  transform: translateY(20px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.appointment-modal.open .appointment-card { transform: translateY(0); }
.appointment-close {
  position: absolute; top: 16px; right: 16px;
  background: none; border: none; color: rgba(255,255,255,0.5);
  font-size: 20px; cursor: pointer; transition: color 0.2s;
}
.appointment-close:hover { color: var(--white); }
.appointment-header { margin-bottom: 32px; text-align: center; }
.appointment-header h2 {
  font-family: var(--font-h); font-size: 24px; font-weight: 900;
  color: var(--white); letter-spacing: -0.5px;
}
.appointment-header p {
  font-size: 13px; color: var(--wa); font-weight: 600;
  margin-top: 8px; letter-spacing: 1px; text-transform: uppercase;
}
.appointment-promo-styled {
  display: flex; gap: 12px; align-items: flex-start;
  background: rgba(37, 211, 102, 0.08);
  border: 1px solid rgba(37, 211, 102, 0.2);
  padding: 16px; border-radius: 6px; margin-bottom: 28px;
}
.promo-icon { font-size: 22px; }
.promo-text { font-size: 13px; line-height: 1.5; color: rgba(255,255,255,0.85); }
.promo-text strong { color: var(--wa); font-size: 14px; font-weight: 700; }
.promo-text span { font-size: 11px; color: rgba(255,255,255,0.4); display: block; margin-top: 6px; font-style: italic; }

.appointment-form { display: flex; flex-direction: column; gap: 20px; }
.appointment-form .form-group { display: flex; flex-direction: column; gap: 8px; text-align: left; }
.appointment-form label { font-family: var(--font-h); font-size: 11px; font-weight: 700; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 1px; }
.appointment-form input {
  padding: 14px 16px; background: #1a1a1a; border: 1px solid rgba(255,255,255,0.15);
  color: var(--white); font-family: var(--font-b); font-size: 15px;
  border-radius: 4px; transition: border-color 0.2s;
}
.appointment-form input:focus { outline: none; border-color: var(--white); }
.appointment-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media(max-width: 480px) {
  .appointment-card { padding: 32px 24px; }
  .appointment-form .form-row { grid-template-columns: 1fr; gap: 20px;}
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-accordion { display: flex; flex-direction: column; gap: 16px; }
.faq-item {
  background: var(--light);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px; overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq-item:hover { border-color: rgba(255,255,255,0.2); }
.faq-item summary {
  padding: 24px; cursor: pointer;
  font-family: var(--font-h); font-weight: 700; font-size: 15px;
  color: var(--white); display: flex; justify-content: space-between;
  align-items: center; letter-spacing: 0.5px;
  user-select: none; -webkit-user-select: none; -webkit-tap-highlight-color: transparent;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 24px; font-weight: 300;
  color: var(--mid); transition: transform 0.3s ease, color 0.3s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); color: var(--white); }
.faq-item p {
  padding: 0 24px 24px 24px; color: rgba(255,255,255,0.65);
  font-size: 14px; line-height: 1.7;
}

/* ============================================================
   VISOR 3D
   ============================================================ */
.viewer3d-section {
  background: var(--black);
  padding: 100px 0 0;
  overflow: hidden;
}

.viewer3d-top {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px 60px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.viewer3d-title { margin-bottom: 0; }

.viewer3d-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.4);
  line-height: 1.7;
  max-width: 280px;
  text-align: right;
}

.viewer3d-wrap {
  position: relative;
  width: 100%;
  height: 75vh;
  min-height: 500px;
  max-height: 800px;
}

/* Overlay de activación — evita que el scroll se quede atrapado */
.viewer3d-activate {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.25);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  cursor: pointer;
  transition: opacity 0.3s ease;
}
.viewer3d-activate.hidden {
  opacity: 0;
  pointer-events: none;
}
.viewer3d-activate-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.85);
  font-family: var(--font-h);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  padding: 24px 32px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  pointer-events: none;
}

.viewer3d-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}
.viewer3d-canvas:active { cursor: grabbing; }

.viewer3d-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.3);
  font-family: var(--font-h);
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  pointer-events: none;
  animation: hintPulse 2.5s ease-in-out infinite;
}

@keyframes hintPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.viewer3d-hint.hidden { display: none; }

.viewer3d-specs {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 0;
  border-top: 1px solid var(--border);
}

.viewer3d-spec {
  flex: 1;
  max-width: 220px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border-right: 1px solid var(--border);
}
.viewer3d-spec:last-child { border-right: none; }

.spec-val {
  font-family: var(--font-h);
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 900;
  color: var(--white);
  letter-spacing: -1px;
}
.spec-val small { font-size: 0.55em; opacity: 0.6; }

.spec-lbl {
  font-family: var(--font-h);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--mid);
}

@media (max-width: 768px) {
  .viewer3d-top {
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 32px;
  }
  .viewer3d-desc { text-align: left; max-width: 100%; }
  .viewer3d-wrap { height: 55vh; }
  .viewer3d-spec { padding: 16px 12px; }
}