/* ==========================================================================
   CHAMPION LUBRICANTES - MODERN RESPONSIVE STYLESHEET (CSS3)
   ========================================================================== */

/* Google Fonts Imports */
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700;900&family=Poppins:wght@400;600;700;900&display=swap');

/* --- CSS Variables & Design System --- */
:root {
  /* Colors */
  --color-primary: #d32f2f; /* Rojo Champion */
  --color-primary-hover: #b71c1c; /* Hover Rojo */
  --color-secondary: #1a1a1a;
  --color-accent: #e3f2fd;
  --color-accent-text: #0d47a1;
  --color-white: #ffffff;
  --color-dark-bg: #121212;
  --color-dark-surface: #1e1e1e;
  --color-light-bg: #f9f9f9;
  --color-card-border: #eeeeee;
  --color-box-bg: rgba(26, 26, 26, 0.7);
  --color-text-dark: #222222;
  --color-text-light: #ffffff;
  --color-text-muted: #666666;
  --color-text-placeholder: #aaaaaa;

  /* Typography */
  --font-main: 'Lato', 'Helvetica Neue', Arial, sans-serif;
  --font-accent: 'Poppins', 'Segoe UI', Tahoma, sans-serif;

  /* Transitions */
  --transition-fast: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-normal: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-slow: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);

  /* Shadows */
  --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.05);
  --shadow-medium: 0 10px 25px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 15px 35px rgba(0, 0, 0, 0.15);
  --shadow-red: 0 4px 12px rgba(211, 47, 47, 0.25);
  --shadow-red-hover: 0 6px 18px rgba(211, 47, 47, 0.35);

  /* Border Radii */
  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 12px;
  --radius-round: 50px;
}

/* --- Base & Reset Styles --- */
*, *::before, *::after {
  box-sizing: border-box;
}

body, h1, h2, h3, h4, p, ul, ol, li, figure, figcaption, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-light-bg);
  color: var(--color-text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  border: none;
  background: transparent;
  outline: none;
}

/* Accessibility Focus Ring styling */
a:focus-visible, button:focus-visible, select:focus-visible, input:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

/* --- Header Section --- */
#main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background-color: var(--color-white);
  backdrop-filter: blur(8px);
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  transition: var(--transition-normal);
}

#main-header.sticky {
  height: 65px;
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

#main-header .container {
  max-width: 1450px;
  width: 95%;
  height: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  height: 100%;
}

.logo-img {
  height: 68px;
  width: auto;
  object-fit: contain;
  transition: var(--transition-normal);
}

#main-header.sticky .logo-img {
  height: 54px;
}

/* Menu Navigation */
.nav-menu {
  display: flex;
  align-items: center;
  height: 100%;
}

#top-menu {
  display: flex;
  list-style: none;
  height: 100%;
  align-items: center;
  gap: 1.5rem;
}

#top-menu li {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

#top-menu a {
  font-family: var(--font-accent);
  color: var(--color-text-dark);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  position: relative;
  padding: 0.5rem 0;
  opacity: 0.85;
}

#top-menu a:hover, #top-menu a.active {
  color: var(--color-primary);
  opacity: 1;
}

#top-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-fast);
}

#top-menu a:hover::after, #top-menu a.active::after {
  width: 100%;
}

/* Hamburger toggle menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
  z-index: 1100;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--color-text-dark);
  border-radius: 3px;
  transition: var(--transition-fast);
}

/* --- Hero Section (#inicio) --- */
#inicio {
  position: relative;
  min-height: 100vh;
  padding-top: 80px;
  display: flex;
  align-items: center;
  background: var(--color-dark-bg);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  filter: brightness(0.9) contrast(1.1);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: linear-gradient(135deg, rgba(183, 28, 28, 0.75) 0%, rgba(183, 28, 28, 0.5) 50%, rgba(0, 0, 0, 0.3) 100%);
}

.hero-container {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

/* Left Column: CTA description */
.hero-content {
  color: var(--color-text-light);
}

.hero-title {
  font-family: var(--font-accent);
  font-weight: 900;
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.hero-title span {
  color: var(--color-primary);
}

.hero-desc {
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 0.75rem;
  opacity: 0.92;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  max-width: 700px;
}

.hero-desc:last-of-type {
  margin-bottom: 1.5rem;
}

.btn-hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border: 2px solid var(--color-white);
  font-family: var(--font-accent);
  font-weight: 900;
  font-size: 0.95rem;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 18px 36px;
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-red);
  transition: var(--transition-normal);
  line-height: 1.3;
}

.btn-hero:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-red-hover);
}

.btn-hero svg,
.btn-hero .btn-hero-icon {
  width: 22px;
  height: 22px;
  min-width: 22px;
  min-height: 22px;
  fill: currentColor;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.btn-hero:hover svg,
.btn-hero:hover .btn-hero-icon {
  transform: scale(1.15);
}

/* Right Column: Expert Contact box */
.hero-contact {
  background-color: var(--color-box-bg);
  backdrop-filter: blur(10px);
  border-top: 5px solid var(--color-primary);
  border-radius: var(--radius-medium);
  padding: 2.5rem 2rem;
  color: var(--color-text-light);
  box-shadow: 0 15px 35px rgba(0,0,0,0.3);
}

.contact-title {
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 1.3rem;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.contact-desc {
  font-size: 0.95rem;
  opacity: 0.8;
  margin-bottom: 2rem;
}

.contact-info-list-simplified {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-bottom: 2rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.contact-info-list-simplified p {
  color: rgba(255, 255, 255, 0.9);
}

.contact-info-list-simplified p span {
  color: var(--color-white);
  font-weight: 700;
}

.contact-info-list-simplified a {
  color: var(--color-white);
  text-decoration: underline;
  font-weight: 700;
  transition: var(--transition-fast);
}

.contact-info-list-simplified a:hover {
  color: var(--color-primary);
}

.btn-contact-wa {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: auto;
  background-color: var(--color-white);
  color: var(--color-primary);
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 10px 24px;
  border-radius: var(--radius-small);
  box-shadow: var(--shadow-light);
  transition: var(--transition-normal);
}

.btn-contact-wa:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-contact-wa svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* --- Buscador Section (#buscador) --- */
#buscador {
  padding: 5rem 2rem;
  background-color: var(--color-white);
}

/* Core styling of Champion Widget V20 (Red) */
#champion-widget {
  font-family: var(--font-accent);
  background: var(--color-white);
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  box-shadow: var(--shadow-medium);
  border-radius: var(--radius-medium);
  overflow: visible;
}

.champion-top-bar {
  background-color: var(--color-primary);
  height: 16px;
  width: 100%;
  border-radius: 8px 8px 0 0;
}

/* Intro sequence screen */
#champion-intro {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-white);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  transition: opacity 0.5s ease;
  cursor: pointer;
  border-radius: var(--radius-medium);
}

#champion-intro.fade-out-active {
  opacity: 0 !important;
  pointer-events: none !important;
}

.intro-text {
  font-weight: 900;
  font-size: 2.5rem;
  color: var(--color-secondary);
  margin-bottom: 1rem;
  animation: textEntrance 0.8s ease-out forwards 0.3s;
  line-height: 1.2;
  opacity: 0;
}

.intro-line {
  width: 0;
  height: 6px;
  background: var(--color-primary);
  margin: 0 auto;
  animation: lineGrow 0.6s ease-out forwards 1s;
}

.champion-container {
  padding: 3rem 2rem;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.champion-container.visible {
  opacity: 1 !important;
}

.champion-view {
  display: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.champion-view.active-view {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.view-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.buscador-main-title {
  font-family: var(--font-accent);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: -0.5px;
  margin-bottom: 0.6rem;
  line-height: 1.25;
}

.view-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Category cards grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.champion-card {
  background: var(--color-white);
  box-shadow: var(--shadow-light);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-medium);
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-normal);
  height: 100%;
  opacity: 0;
}

.champion-card.animate-in {
  animation: cardSlideUp 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.champion-card:active {
  transform: scale(0.98);
}

.champion-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
}

.card-image-wrapper {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  perspective: 1000px;
}

.card-image-wrapper img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  transition: transform 0.5s ease;
  transform-style: preserve-3d;
}

.champion-card:hover .card-image-wrapper img {
  animation: spin3D 2.5s infinite linear;
}

.card-content {
  flex-grow: 1;
  margin-bottom: 2.5rem;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 1rem;
  line-height: 1.4;
  text-transform: uppercase;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.btn-search {
  background: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  padding: 12px 30px;
  border-radius: var(--radius-round);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  box-shadow: var(--shadow-light);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
  cursor: pointer;
  pointer-events: none;
}

.icon-search {
  width: 14px;
  height: 14px;
  fill: var(--color-primary);
  transition: var(--transition-fast);
}

.champion-card:hover .btn-search {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-red);
}

.champion-card:hover .icon-search {
  fill: var(--color-white);
}

/* Refined step view */
.refine-container {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem 0;
}

.refine-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 2.5rem;
}

.refine-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  margin-bottom: 2rem;
}

.btn-option {
  background: var(--color-white);
  border: 2px solid var(--color-card-border);
  padding: 1.5rem;
  border-radius: var(--radius-medium);
  font-family: var(--font-accent);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-dark);
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: left;
}

.btn-option:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: #fff5f5;
  transform: translateX(5px);
}

.btn-option:focus-visible {
  outline: 3px solid var(--color-primary);
}

.btn-skip {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  text-decoration: underline;
  cursor: pointer;
  font-size: 0.95rem;
}

.btn-skip:hover {
  color: var(--color-primary);
}

/* Results view */
.results-top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--color-card-border);
  padding-bottom: 1rem;
}

.btn-back-top {
  background: transparent;
  border: none;
  font-weight: 700;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.btn-back-top:hover {
  color: var(--color-primary);
}

.nav-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
}

.result-message-box {
  background: #fdfdfd;
  border-left: 5px solid var(--color-primary);
  padding: 2rem;
  margin: 0 auto 1.5rem auto;
  max-width: 900px;
  box-shadow: var(--shadow-light);
}

.rec-title {
  display: block;
  color: var(--color-primary);
  font-weight: 900;
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.rec-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
}

.context-note {
  background: var(--color-accent);
  color: var(--color-accent-text);
  padding: 12px 20px;
  border-radius: var(--radius-small);
  font-size: 0.95rem;
  margin: 0 auto 2.5rem auto;
  max-width: 900px;
  display: none;
  text-align: center;
  font-weight: 600;
}

.context-note.visible {
  display: block;
}

/* Dynamic product bottles grid */
.bottles-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.bottle-card {
  width: 220px;
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-normal);
}

.bottle-card.animate-bottle {
  animation: bottlePopUp 0.6s forwards;
}

.bottle-card:hover {
  transform: scale(1.05) translateY(-5px);
}

.bottle-img-box {
  height: 280px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  margin-bottom: 1.5rem;
  position: relative;
}

.skeleton-loader {
  position: absolute;
  width: 100px;
  height: 200px;
  background: #f0f0f0;
  border-radius: var(--radius-medium);
  animation: skeletonPulse 1.5s infinite ease-in-out;
  z-index: 1;
  bottom: 0;
}

.bottle-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 10px 15px rgba(0,0,0,0.15));
  position: relative;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.bottle-img.loaded {
  opacity: 1;
}

.bottle-info h4 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-secondary);
}

.bottle-info span {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.viscosity-tag {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 4px 12px;
  border-radius: var(--radius-small);
  font-weight: 700;
  font-size: 0.85rem;
  margin-top: 8px;
  box-shadow: var(--shadow-red);
}

/* WhatsApp Cotizar button (Red) */
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 10px 20px;
  border-radius: var(--radius-round);
  margin-top: 15px;
  transition: var(--transition-normal);
  width: 100%;
  box-sizing: border-box;
  box-shadow: var(--shadow-red);
}

.btn-whatsapp:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-red-hover);
}

.btn-whatsapp svg {
  width: 18px;
  height: 18px;
  fill: var(--color-white);
}

.actions-footer {
  text-align: center;
  margin-top: 3rem;
}

.btn-restart {
  background: transparent;
  border: 2px solid var(--color-secondary);
  color: var(--color-secondary);
  padding: 12px 36px;
  border-radius: var(--radius-round);
  font-family: var(--font-accent);
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-restart:hover {
  background: var(--color-secondary);
  color: var(--color-white);
}

/* --- Certificaciones Section (#certificaciones) --- */
#certificaciones {
  padding: 5rem 2rem;
  background-color: var(--color-light-bg);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem auto;
}

.section-title-tag {
  color: var(--color-primary);
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-accent);
  font-weight: 900;
  font-size: 2.2rem;
  line-height: 1.25;
  color: var(--color-secondary);
  margin-bottom: 1.5rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

/* 3 columns technology blurbs grid */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-bottom: 5rem;
}

.tech-card {
  background-color: var(--color-white);
  border-radius: var(--radius-medium);
  padding: 3rem 2rem;
  box-shadow: var(--shadow-light);
  border-top: 4px solid transparent;
  transition: var(--transition-normal);
  text-align: center;
}

.tech-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-top-color: var(--color-primary);
}

.tech-img-box {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
}

.tech-img-box img {
  max-height: 100%;
  object-fit: contain;
}

.tech-card-title {
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

.tech-card-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.tech-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.tech-link:hover {
  color: var(--color-primary-hover);
}

/* Video Section styling */
.video-block {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  background-color: var(--color-secondary);
}

.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
}

.video-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Custom Play Overlay over Video */
.video-overlay-box {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-normal);
}

.video-overlay-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.45);
  transition: var(--transition-fast);
}

.video-overlay-box:hover::before {
  background: rgba(0, 0, 0, 0.3);
}

.video-overlay-box.hidden {
  opacity: 0;
  pointer-events: none;
}

.btn-play-video {
  position: relative;
  z-index: 12;
  width: 80px;
  height: 80px;
  background-color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(211, 47, 47, 0.5);
  transition: var(--transition-normal);
}

.btn-play-video svg {
  width: 25px;
  height: 25px;
  fill: var(--color-white);
  margin-left: 4px; /* offset play icon alignment */
}

.video-overlay-box:hover .btn-play-video {
  transform: scale(1.15);
  background-color: var(--color-primary-hover);
  box-shadow: 0 12px 30px rgba(211, 47, 47, 0.6);
}

/* CTA buttons under Video */
.video-ctas {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 3rem;
}

.btn-cta-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 12px 28px;
  border-radius: var(--radius-round);
  transition: var(--transition-normal);
}

.btn-cta-outline:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn-cta-red {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border: 2px solid var(--color-primary);
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 12px 28px;
  border-radius: var(--radius-round);
  box-shadow: var(--shadow-red);
  transition: var(--transition-normal);
}

.btn-cta-red:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-red-hover);
}

/* --- Aceites Section (#aceites) --- */
#aceites {
  padding: 5rem 2rem;
  background-color: var(--color-white);
}

.catalog-section {
  margin-bottom: 5rem;
}

.catalog-section:last-child {
  margin-bottom: 0;
}

.catalog-header {
  border-bottom: 2px solid var(--color-card-border);
  padding-bottom: 1.5rem;
  margin-bottom: 3rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.catalog-title-block {
  flex-grow: 1;
}

.catalog-tag {
  color: var(--color-primary);
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.3rem;
  display: block;
}

.catalog-title {
  font-family: var(--font-accent);
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}

.catalog-desc {
  color: var(--color-text-muted);
  max-width: 800px;
}

/* Catalog products grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2.5rem;
}

.product-card {
  background-color: var(--color-light-bg);
  border-radius: var(--radius-medium);
  padding: 2.5rem 1.5rem;
  border: 1px solid var(--color-card-border);
  text-align: center;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-card:hover {
  background-color: var(--color-white);
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
  border-color: var(--color-primary);
}

.product-img-wrapper {
  height: 240px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.product-img-wrapper img {
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 8px 12px rgba(0,0,0,0.1));
  transition: var(--transition-normal);
}

.product-card:hover .product-img-wrapper img {
  transform: scale(1.06);
  filter: drop-shadow(0 12px 20px rgba(0,0,0,0.15));
}

.product-info-block {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-base-tag {
  font-family: var(--font-accent);
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.product-name {
  font-family: var(--font-accent);
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}

.product-volume {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.product-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: auto;
  border-top: 1px dashed var(--color-card-border);
  padding-top: 1.5rem;
}

.product-link-item {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-secondary);
}

.product-link-item:hover {
  color: var(--color-primary);
}

.product-link-download {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.product-link-download:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.catalog-actions {
  text-align: right;
}

.btn-catalog-more {
  background-color: var(--color-secondary);
  color: var(--color-white);
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 10px 24px;
  border-radius: var(--radius-round);
  transition: var(--transition-normal);
}

.btn-catalog-more:hover {
  background-color: var(--color-primary);
  box-shadow: var(--shadow-red);
}

/* Special mineral double layout */
.products-grid-mineral {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 900px;
  margin: 0 auto;
}

/* --- Calculadora Section (#calculadora) --- */
#calculadora {
  padding: 5rem 2rem;
  background-color: var(--color-light-bg);
}

/* Calculator Widget core styles */
#champion-calc-widget {
  font-family: var(--font-accent);
  background: var(--color-white);
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  box-shadow: var(--shadow-medium);
  border-radius: var(--radius-medium);
  overflow: hidden;
}

.champion-calc-top-bar {
  background-color: var(--color-primary);
  height: 16px;
  width: 100%;
}

.champion-calc-container {
  padding: 3rem 2.5rem;
}

.calc-header {
  text-align: center;
  margin-bottom: 3rem;
}

.calc-title {
  color: var(--color-primary);
  font-weight: 900;
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.calc-subtitle {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  max-width: 700px;
  margin: 0 auto;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

/* Left Form column */
.calc-form-col {
  display: flex;
  flex-direction: column;
}

.calc-label {
  display: block;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.input-group {
  margin-bottom: 1.8rem;
}

.calc-select, .calc-input {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid var(--color-card-border);
  border-radius: var(--radius-medium);
  font-family: var(--font-accent);
  font-size: 0.95rem;
  color: var(--color-text-dark);
  background-color: var(--color-white);
  transition: border-color 0.3s ease;
}

.calc-select:focus, .calc-input:focus {
  border-color: var(--color-primary);
}

.calc-select option {
  padding: 5px;
}

/* Dynamic usage questions box */
.usage-questions-box {
  background: var(--color-light-bg);
  padding: 15px;
  border-radius: var(--radius-medium);
  margin-top: 10px;
  border: 1px solid var(--color-card-border);
  animation: fadeIn 0.3s ease-out;
}

.usage-row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.usage-row:last-child {
  margin-bottom: 0;
}

.usage-col {
  flex: 1;
}

.usage-label-small {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
}

.calc-subtext {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-top: 8px;
  text-align: right;
}

/* Right Results Card column */
.calc-result-col {
  height: 100%;
}

.champion-result-card {
  background: var(--color-white);
  box-shadow: var(--shadow-light);
  border-radius: var(--radius-large);
  padding: 2.5rem 2rem;
  text-align: center;
  border: 1px solid var(--color-card-border);
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}

.result-img-wrapper {
  height: 180px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  position: relative;
}

.result-img-wrapper img {
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 5px 10px rgba(0,0,0,0.15));
  transition: transform 0.3s ease;
}

.result-img-wrapper.has-1 img {
  max-width: 60%;
}

.result-img-wrapper.has-2 img {
  max-width: 45%;
  margin: 0 -5px;
}

.result-img-wrapper.has-3 img {
  max-width: 33%;
  margin: 0 -8px;
}

.result-img-wrapper img.pop {
  transform: scale(1.15);
}

.result-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 1px;
  margin-bottom: 5px;
}

.result-oil-name-lg {
  color: var(--color-secondary);
  font-size: 1.15rem;
  margin: 0 0 15px 0;
  font-weight: 900;
  line-height: 1.3;
}

.result-date {
  color: var(--color-primary);
  font-size: 1.8rem;
  font-weight: 900;
  margin: 0 0 15px 0;
  line-height: 1.1;
}

.logic-note {
  font-size: 0.8rem;
  padding: 5px 12px;
  border-radius: var(--radius-small);
  display: inline-block;
  margin: 0 2px 8px 2px;
  font-weight: 600;
}

.logic-note.warning {
  color: #c62828;
  background: #ffebee;
}

.logic-note.info {
  color: #1565c0;
  background: #e3f2fd;
}

.logic-note.success {
  color: #1b5e20;
  background: #e8f5e9;
}

.calc-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 1.5rem;
}

.btn-calc {
  width: 100%;
  padding: 14px;
  border-radius: var(--radius-round);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-accent);
}

.btn-google {
  background: var(--color-light-bg);
  color: var(--color-secondary);
  border: 1px solid var(--color-card-border);
}

.btn-google:hover {
  background: #e0e0e0;
}

.btn-whatsapp-red {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-red);
}

.btn-whatsapp-red:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-red-hover);
}

.btn-whatsapp-red svg {
  width: 18px;
  height: 18px;
  fill: var(--color-white);
}

/* --- Comunidad / Testimonios Section (#comunidad) --- */
#comunidad {
  padding: 5rem 2rem;
  background-color: var(--color-white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.5rem;
}

/* Quotes/Social cards */
.testimonial-card {
  background-color: var(--color-light-bg);
  border-radius: var(--radius-medium);
  padding: 2.5rem;
  box-shadow: var(--shadow-light);
  border: 1px solid var(--color-card-border);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
  background-color: var(--color-white);
  border-color: var(--color-primary);
}

.testimonial-stars {
  color: #ffb300;
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
}

.testimonial-quote {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-dark);
  font-style: italic;
  margin-bottom: 2rem;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 15px;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-primary);
}

.testimonial-user-info h5 {
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-secondary);
}

.testimonial-user-info span {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Social media follow banner */
.social-banner {
  background-color: var(--color-secondary);
  border-radius: var(--radius-medium);
  padding: 3rem;
  color: var(--color-text-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 5rem;
}

.social-banner-text h4 {
  font-family: var(--font-accent);
  font-weight: 900;
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.social-banner-text p {
  opacity: 0.8;
}

.social-banner-links {
  display: flex;
  gap: 1.5rem;
}

.social-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: var(--transition-normal);
}

.social-icon-btn:hover {
  background-color: var(--color-primary);
  transform: scale(1.1);
}

.social-icon-btn svg {
  width: 22px;
  height: 22px;
  fill: var(--color-white);
}

/* --- Footer Section (#footer-bottom) --- */
#footer-bottom {
  background-color: var(--color-dark-bg);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 2.5rem 2rem;
  color: var(--color-text-light);
}

#footer-bottom .container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

#footer-info {
  font-size: 0.85rem;
  opacity: 0.6;
}

#footer-info a {
  color: inherit;
  text-decoration: underline;
  font-weight: 600;
  transition: color 0.3s ease;
}

#footer-info a:hover {
  color: var(--color-primary);
}

.footer-social-icons {
  display: flex;
  gap: 1rem;
  list-style: none;
}

.footer-social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: rgba(255,255,255,0.05);
  border-radius: 50%;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.footer-social-icons a:hover {
  background-color: var(--color-primary);
  transform: translateY(-2px);
}

.footer-social-icons svg {
  width: 16px;
  height: 16px;
  fill: var(--color-white);
}

/* --- Keyframes Animations --- */
@keyframes textEntrance {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes lineGrow {
  to {
    width: 100px;
  }
}

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

@keyframes bottlePopUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes skeletonPulse {
  0% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0.6;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin3D {
  0% {
    transform: rotateY(0deg);
  }
  100% {
    transform: rotateY(360deg);
  }
}

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

/* Tablet view (max-width: 992px) */
@media (max-width: 992px) {
  /* Hero section adjustments */
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 3rem 1.5rem;
  }
  
  .hero-content {
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .hero-desc {
    margin: 0 auto 2rem auto;
  }

  .hero-contact {
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
  }

  /* Video and elements styling */
  .video-ctas {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-cta-outline, .btn-cta-red {
    width: 100%;
    justify-content: center;
  }

  /* Products layout */
  .products-grid-mineral {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    max-width: 450px;
  }
  
  /* Calculator */
  .calc-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .champion-result-card {
    padding: 2.5rem 1.5rem;
  }
}

/* Mobile View (max-width: 768px) */
@media (max-width: 768px) {
  /* Header navigation mobile drawer */
  .menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: var(--transition-normal);
    z-index: 999;
  }
  
  #main-header.sticky .nav-menu {
    top: 65px;
    height: calc(100vh - 65px);
  }
  
  #top-menu {
    flex-direction: column;
    width: 100%;
    padding: 3rem 2rem;
    justify-content: flex-start;
    align-items: center;
    gap: 2.5rem;
  }
  
  #top-menu li {
    width: 100%;
    justify-content: center;
    height: auto;
  }
  
  #top-menu a {
    font-size: 1.1rem;
    width: 100%;
    text-align: center;
  }
  
  .nav-menu:has(#top-menu.active) {
    left: 0;
  }

  /* Hamburger toggle animation when menu active */
  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }

  /* Hero Section mobile */
  #inicio {
    padding-top: 100px;
    min-height: auto;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .btn-hero {
    width: 100%;
    max-width: 440px;
    margin: 0 auto;
    padding: 16px 20px;
    font-size: 0.95rem;
    letter-spacing: 0.8px;
    line-height: 1.35;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    text-align: center;
  }

  .btn-hero svg,
  .btn-hero .btn-hero-icon {
    width: 28px !important;
    height: 28px !important;
    min-width: 28px !important;
    min-height: 28px !important;
  }

  /* Buscador (Widget Search) Mobile defaults */
  #champion-intro {
    display: none !important;
  }
  
  .champion-container {
    opacity: 1 !important;
    padding: 2rem 1rem;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }
  
  .champion-card {
    min-height: auto;
    opacity: 1;
    transform: none;
    padding: 2.5rem 1.5rem;
  }
  
  .card-image-wrapper {
    height: 110px;
  }
  
  .btn-search {
    width: 100%;
    justify-content: center;
    margin-top: 1rem;
  }
  
  .bottle-card {
    width: 46%;
    max-width: 160px;
  }
  
  .bottle-img-box {
    height: 160px;
  }
  
  .skeleton-loader {
    width: 80px;
    height: 140px;
  }

  /* Section headers */
  .section-title {
    font-size: 1.8rem;
  }

  .catalog-header {
    text-align: center;
    flex-direction: column;
    align-items: center;
  }
  
  .catalog-actions {
    width: 100%;
  }
  
  .btn-catalog-more {
    width: 100%;
    text-align: center;
  }

  /* Calculator container styling */
  .champion-calc-container {
    padding: 2rem 1.2rem;
  }
  
  .calc-title {
    font-size: 1.5rem;
  }
  
  .calc-grid {
    gap: 2rem;
  }

  /* Social banner */
  .social-banner {
    text-align: center;
    justify-content: center;
    padding: 2rem 1.5rem;
  }
  
  .social-banner-links {
    width: 100%;
    justify-content: center;
  }

  /* Footer copyright alignment */
  #footer-bottom .container {
    flex-direction: column;
    text-align: center;
  }
}

/* --- Catalog Order Button --- */
.catalog-order-btn-container {
  display: flex;
  justify-content: center;
  margin-top: 3.5rem;
  margin-bottom: 1.5rem;
}

.btn-catalog-order {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 14px 36px;
  border-radius: var(--radius-round);
  box-shadow: var(--shadow-red);
  transition: var(--transition-normal);
}

.btn-catalog-order:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-red-hover);
}

.btn-catalog-order svg {
  transition: transform 0.2s ease;
}

.btn-catalog-order:hover svg {
  transform: scale(1.1);
}

/* --- Contact Section (#contacto) --- */
#contacto {
  padding: 5rem 2rem 0 2rem;
  background-color: var(--color-light-bg);
}

.contacto-container {
  max-width: 1200px;
  margin: 0 auto;
}

.contacto-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

/* Form block styles */
.contacto-form-block {
  background-color: var(--color-white);
  padding: 3rem 2.5rem;
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-light);
}

.contacto-form-title {
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 2rem;
  color: var(--color-text-dark);
  margin-bottom: 2rem;
}

.contacto-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.form-group input, 
.form-group textarea, 
.form-group select {
  width: 100%;
  padding: 14px 20px;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-small);
  background-color: var(--color-white);
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--color-text-dark);
  transition: var(--transition-fast);
}

.form-group input::placeholder, 
.form-group textarea::placeholder {
  color: var(--color-text-placeholder);
}

.form-group input:focus, 
.form-group textarea:focus, 
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
}

/* Select wrapper caret custom styling */
.select-wrapper {
  position: relative;
  width: 100%;
}

.select-wrapper select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding-right: 45px;
}

.select-wrapper::after {
  content: '\25BC';
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  pointer-events: none;
}

.form-submit-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 1rem;
}

.btn-submit-contacto {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 14px 40px;
  border-radius: var(--radius-small);
  cursor: pointer;
  box-shadow: var(--shadow-red);
  transition: var(--transition-normal);
}

.btn-submit-contacto:hover {
  background-color: var(--color-primary-hover);
  box-shadow: var(--shadow-red-hover);
  transform: translateY(-2px);
}

/* Right side wrapper and Red info box */
.contacto-info-block-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contacto-info-red-box {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 3rem 2.5rem;
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-medium);
}

.contacto-info-red-box h3 {
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 2rem;
  margin-bottom: 2rem;
}

.contacto-info-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

.contacto-info-details li {
  line-height: 1.6;
  font-weight: 600;
}

.contacto-info-socials {
  display: flex;
  gap: 1.2rem;
}

.contacto-info-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: var(--color-white);
  transition: var(--transition-fast);
}

.contacto-info-socials a:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-3px);
}

.contacto-info-socials svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Facebook embed */
.contacto-fb-embed-container {
  background-color: var(--color-white);
  padding: 1rem;
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-light);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 330px;
}

/* Map below */
.contacto-map-container {
  margin-top: 5rem;
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  height: 450px;
  box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.05);
}

.contacto-map-container iframe {
  width: 100%;
  height: 100%;
  display: block;
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .contacto-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  #contacto {
    padding: 4rem 1.5rem 0 1.5rem;
  }
  
  .contacto-map-container {
    margin-top: 4rem;
  }
}

@media (max-width: 576px) {
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  
  .contacto-form-block,
  .contacto-info-red-box {
    padding: 2rem 1.5rem;
  }
  
  .contacto-form-title,
  .contacto-info-red-box h3 {
    font-size: 1.6rem;
  }
}

/* --- Scroll to Top Button --- */
.scroll-to-top-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(15px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.scroll-to-top-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
  transition: transform 0.2s ease;
}

.scroll-to-top-btn.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-to-top-btn:hover {
  background-color: var(--color-primary-hover);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.scroll-to-top-btn:hover svg {
  transform: translateY(-2px);
}

/* ==========================================================================
   SCROLL EFFECTS & REVEAL ANIMATIONS SYSTEM
   ========================================================================== */

/* --- Scroll Progress Bar (Top Header) --- */
.scroll-progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary) 0%, #ff5252 50%, #ff1744 100%);
  box-shadow: 0 0 10px rgba(211, 47, 47, 0.7);
  z-index: 1002;
  pointer-events: none;
  transition: width 0.08s ease-out;
}

/* --- Section Anchor Offsets --- */
section[id] {
  scroll-margin-top: 80px;
}

/* --- Scroll Reveal Base Styles (Only active when JS is enabled) --- */
html.has-scroll-anim .reveal-on-scroll {
  opacity: 0;
  will-change: transform, opacity;
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Directions & Transforms */
html.has-scroll-anim .reveal-up {
  transform: translate3d(0, 36px, 0);
}

html.has-scroll-anim .reveal-down {
  transform: translate3d(0, -36px, 0);
}

html.has-scroll-anim .reveal-left {
  transform: translate3d(-40px, 0, 0);
}

html.has-scroll-anim .reveal-right {
  transform: translate3d(40px, 0, 0);
}

html.has-scroll-anim .reveal-zoom {
  transform: scale(0.92);
}

/* Revealed State */
html.has-scroll-anim .reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

/* Staggered Delays for Sequential Cards & Elements */
html.has-scroll-anim .delay-1 { transition-delay: 0.1s; }
html.has-scroll-anim .delay-2 { transition-delay: 0.2s; }
html.has-scroll-anim .delay-3 { transition-delay: 0.3s; }
html.has-scroll-anim .delay-4 { transition-delay: 0.4s; }
html.has-scroll-anim .delay-5 { transition-delay: 0.5s; }
html.has-scroll-anim .delay-6 { transition-delay: 0.6s; }

/* Subtle Parallax for Hero Background */
.hero-bg-img {
  will-change: transform;
  transform: translate3d(0, 0, 0);
  transition: transform 0.1s ease-out;
}

/* Mobile Adjustments for Scroll Reveals */
@media (max-width: 768px) {
  html.has-scroll-anim .reveal-left,
  html.has-scroll-anim .reveal-right {
    transform: translate3d(0, 25px, 0);
  }
  
  html.has-scroll-anim .reveal-up {
    transform: translate3d(0, 25px, 0);
  }
}

/* Accessibility: Respect Reduced Motion Preferences */
@media (prefers-reduced-motion: reduce) {
  html.has-scroll-anim .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .scroll-progress-bar {
    display: none !important;
  }
  .hero-bg-img {
    transform: none !important;
  }
}

/* ==========================================================================
   FOOTER STYLES & SOCIAL ICONS (WHITE BACKGROUND PRESET)
   ========================================================================== */
/* ==========================================================================
   FOOTER STYLES & SOCIAL ICONS (WHITE BACKGROUND PRESET - CHAMPION RED)
   ========================================================================== */
#footer-bottom {
  background-color: var(--color-dark-bg, #121212);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.8rem 0;
  color: #999999;
  font-family: var(--font-main);
  position: relative;
  z-index: 10;
}

#footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

#footer-info {
  flex: 1;
  min-width: 260px;
  opacity: 1;
}

#footer-info p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.55;
  color: #a0a0a0;
}

#footer-info a {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition-fast);
}

#footer-info a:hover {
  color: var(--color-primary, #d32f2f);
}

/* Redes Sociales del Footer: Tamaño Compacto (35px, -30%), Fondo Blanco e Íconos Rojo Champion */
.footer-social-icons {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.footer-social-icons li {
  display: inline-flex;
}

.footer-social-icons .social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 35px;
  height: 35px;
  background-color: #ffffff;
  color: var(--color-primary, #d32f2f);
  border-radius: 50%;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.22), 0 1px 4px rgba(0, 0, 0, 0.12);
  transition: transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
              background-color 0.25s ease, 
              color 0.25s ease, 
              box-shadow 0.25s ease;
  position: relative;
  text-decoration: none;
  overflow: hidden;
}

.footer-social-icons .social-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  display: block;
  transition: transform 0.25s ease;
}

/* Efectos al pasar el cursor (Hover Micro-Animations - Champion Red Glow) */
.footer-social-icons .social-link:hover {
  transform: translateY(-3px) scale(1.1);
  background-color: var(--color-primary, #d32f2f);
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(211, 47, 47, 0.45);
}

.footer-social-icons .social-link:hover svg {
  transform: scale(1.08);
}

/* Enfoque accesible por teclado */
.footer-social-icons .social-link:focus-visible {
  outline: 3px solid var(--color-primary, #d32f2f);
  outline-offset: 3px;
  transform: translateY(-2px);
}

/* Responsive Footer y Espaciado Mobile Compacto */
@media (max-width: 768px) {
  #footer-bottom {
    padding: 1.2rem 1rem 3.5rem 1rem;
    text-align: center;
  }
  
  #footer-bottom .container {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.65rem; /* Espaciado estrecho y limpio */
  }

  #footer-info {
    flex: 0 0 auto;
    width: 100%;
    height: auto;
    margin: 0;
  }

  #footer-info p {
    font-size: 0.78rem;
    line-height: 1.45;
    max-width: 440px;
    margin: 0 auto;
  }
  
  .footer-social-icons {
    justify-content: center;
    gap: 12px;
    margin: 0;
    padding: 0;
  }

  .footer-social-icons .social-link {
    width: 35px;
    height: 35px;
  }

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

  /* Ajuste de botón flotante scroll-to-top para no estorbar en mobile */
  .scroll-to-top-btn {
    bottom: 14px;
    right: 14px;
    width: 38px;
    height: 38px;
  }

  .scroll-to-top-btn svg {
    width: 18px;
    height: 18px;
  }
}