/* ===== VARIABLES ===== */
:root {
  --navy-950: #060e21;
  --navy-900: #0a1630;
  --navy-800: #0d1b3e;
  --navy-700: #13234f;
  --blue-600: #1a56db;
  --blue-500: #2563eb;
  --blue-400: #3b82f6;
  --blue-glow: #4f9dff;
  --white: #ffffff;
  --gray-50: #f5f7fb;
  --gray-100: #eef1f7;
  --gray-300: #cbd3e1;
  --gray-500: #6b7690;
  --gray-700: #3b4457;
  --green-wa: #25d366;
  --green-wa-dark: #1ebe5a;
  --radius: 10px;
  --shadow-sm: 0 2px 10px rgba(10, 22, 48, 0.08);
  --shadow-md: 0 10px 30px rgba(10, 22, 48, 0.12);
  --transition: all 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--navy-900);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary { background: var(--blue-600); color: var(--white); }
.btn-primary:hover { background: var(--blue-500); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-white { background: var(--white); color: var(--navy-900); }
.btn-white:hover { background: var(--gray-100); transform: translateY(-2px); }

.btn-whatsapp { background: var(--green-wa); color: var(--white); }
.btn-whatsapp:hover { background: var(--green-wa-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-outline { border-color: var(--navy-800); color: var(--navy-800); background: transparent; }
.btn-outline:hover { background: var(--navy-800); color: var(--white); }

.btn-outline-light { border-color: rgba(255,255,255,0.4); color: var(--white); background: transparent; }
.btn-outline-light:hover { background: var(--white); color: var(--navy-900); }

.btn-sm { padding: 10px 20px; font-size: 0.78rem; width: 100%; }
.btn-block { width: 100%; padding: 16px; font-size: 0.9rem; }

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--blue-500), var(--navy-800));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-weight: 900; font-size: 1.25rem; color: var(--navy-900); letter-spacing: 0.02em; }
.brand-sub { font-weight: 600; font-size: 0.62rem; color: var(--blue-600); letter-spacing: 0.15em; }

.main-nav { display: flex; align-items: center; gap: 32px; flex: 1; justify-content: center; }
.main-nav > a {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--navy-700);
  letter-spacing: 0.03em;
  padding: 8px 2px;
  position: relative;
  transition: var(--transition);
}
.main-nav > a:hover, .main-nav > a.active { color: var(--blue-600); }
.main-nav > a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--blue-600);
}

.nav-dropdown { position: relative; }
.nav-dropdown > a { display: flex; align-items: center; gap: 6px; font-size: 0.82rem; font-weight: 700; color: var(--navy-700); letter-spacing: 0.03em; }
.nav-dropdown > a i { font-size: 0.65rem; transition: var(--transition); }
.nav-dropdown:hover > a i { transform: rotate(180deg); }
.nav-dropdown:hover > a { color: var(--blue-600); }
.dropdown-menu {
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--white);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius);
  padding: 10px;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.nav-dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(4px); }
.dropdown-menu a { display: block; padding: 9px 14px; border-radius: 6px; font-size: 0.82rem; font-weight: 600; color: var(--navy-700); }
.dropdown-menu a:hover { background: var(--gray-100); color: var(--blue-600); }

.header-actions { display: flex; align-items: center; gap: 22px; }
.action-link { display: flex; align-items: center; gap: 7px; font-size: 0.78rem; font-weight: 700; color: var(--navy-700); position: relative; }
.action-link i { font-size: 1.05rem; }
.action-link:hover { color: var(--blue-600); }
.action-link span { display: none; }
.whatsapp-link i { color: var(--green-wa); }
.cart-link { position: relative; }
.cart-badge {
  position: absolute; top: -8px; right: -10px;
  background: var(--blue-600); color: var(--white);
  font-size: 0.62rem; font-weight: 700;
  width: 17px; height: 17px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.menu-toggle { display: none; background: none; border: none; font-size: 1.3rem; color: var(--navy-900); }

@media (min-width: 1100px) { .action-link span { display: inline; } }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(115deg, rgba(6,14,33,0.94) 0%, rgba(10,22,48,0.85) 45%, rgba(10,22,48,0.55) 100%),
    radial-gradient(circle at 80% 30%, rgba(37,99,235,0.35), transparent 55%),
    var(--navy-950);
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  right: -10%; top: -20%;
  width: 60%; height: 140%;
  background: radial-gradient(ellipse at center, rgba(59,130,246,0.25), transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; max-width: 660px; padding-top: 40px; padding-bottom: 40px; }
.hero-kicker {
  color: var(--blue-glow);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  margin-bottom: 18px;
}
.hero h1 {
  color: var(--white);
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.hero h1 span { color: var(--blue-glow); }
.hero-text {
  color: var(--gray-300);
  font-size: 1.05rem;
  max-width: 500px;
  margin-bottom: 32px;
}
.hero-buttons { display: flex; flex-wrap: wrap; gap: 14px; }

/* ===== SECTIONS ===== */
.section { padding: 90px 0; }
.section-dark-alt { background: var(--gray-50); }

.section-heading { text-align: center; max-width: 640px; margin: 0 auto 50px; }
.section-heading h2 {
  font-size: 2rem;
  font-weight: 900;
  color: var(--navy-900);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.section-heading h2 span { color: var(--blue-600); }
.section-heading h2::after {
  content: '';
  display: block;
  width: 70px;
  height: 3px;
  background: var(--blue-600);
  margin: 14px auto 0;
  border-radius: 2px;
}
.section-heading p { color: var(--gray-500); font-size: 1rem; }
.section-heading.light h2 { color: var(--white); }
.section-heading.light p { color: var(--gray-300); }

.section-cta { text-align: center; margin-top: 44px; }

/* ===== CATEGORY GRID ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.category-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 30px 18px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--blue-400); }
.category-icon {
  width: 62px; height: 62px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-500), var(--navy-800));
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
}
.category-card h3 { font-size: 0.82rem; font-weight: 800; letter-spacing: 0.02em; margin-bottom: 10px; color: var(--navy-900); }
.category-card p { font-size: 0.8rem; color: var(--gray-500); line-height: 1.5; }

/* ===== SERVICE GRID ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--navy-900);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-6px); }
.service-media {
  height: 150px;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-950));
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-glow);
  font-size: 2.6rem;
  position: relative;
}
.service-media::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(59,130,246,0.35), transparent 60%);
}
.service-media-img { height: 150px; }
.service-media-img .fallback i { font-size: 2.6rem; }
.service-body { padding: 24px; }
.service-body h3 { color: var(--white); font-size: 1rem; font-weight: 800; letter-spacing: 0.02em; margin-bottom: 10px; }
.service-body p { color: var(--gray-300); font-size: 0.85rem; margin-bottom: 20px; min-height: 44px; }

/* ===== WHY SECTION ===== */
.why-section {
  background: linear-gradient(120deg, var(--navy-950), var(--navy-800));
  padding: 80px 0;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 30px;
  margin-top: 20px;
}
.why-item { text-align: left; }
.why-item i {
  font-size: 1.6rem;
  color: var(--blue-glow);
  margin-bottom: 16px;
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(59,130,246,0.15);
  border-radius: 10px;
}
.why-item h4 { color: var(--white); font-size: 0.88rem; font-weight: 800; letter-spacing: 0.02em; margin-bottom: 10px; }
.why-item p { color: var(--gray-300); font-size: 0.85rem; }

/* ===== DISCOVER ===== */
.discover-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.discover-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--gray-100);
}
.discover-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.discover-media {
  height: 190px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.4rem;
  color: var(--white);
}
.discover-1 { background: linear-gradient(135deg, #0d1b3e, #1a56db); }
.discover-2 { background: linear-gradient(135deg, #13234f, #2563eb); }
.discover-3 { background: linear-gradient(135deg, #0a1630, #3b82f6); }
.discover-body { padding: 26px; background: var(--white); }
.discover-body h3 { font-size: 1.05rem; font-weight: 800; margin-bottom: 10px; color: var(--navy-900); }
.discover-body p { font-size: 0.85rem; color: var(--gray-500); margin-bottom: 16px; }
.discover-link { color: var(--blue-600); font-weight: 700; font-size: 0.8rem; display: inline-flex; align-items: center; gap: 8px; }

/* ===== CONTACT ===== */
.contact-section { background: var(--gray-50); padding: 90px 0; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 22px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item i {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--navy-800);
  color: var(--blue-glow);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item h4 { font-size: 0.85rem; font-weight: 800; color: var(--navy-900); margin-bottom: 4px; }
.contact-item p { font-size: 0.85rem; color: var(--gray-500); }
.contact-map { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); margin-top: 6px; }

.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.75rem; font-weight: 700; color: var(--gray-700); margin-bottom: 6px; letter-spacing: 0.02em; }
.form-group input, .form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--gray-100);
  background: var(--gray-50);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.88rem;
  color: var(--navy-900);
  transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}
.form-group textarea { resize: vertical; }
.form-status { margin-top: 12px; font-size: 0.82rem; font-weight: 600; color: var(--green-wa-dark); min-height: 18px; }

/* ===== FOOTER ===== */
.site-footer { background: var(--navy-950); color: var(--gray-300); }
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 70px 24px 50px;
}
.footer-brand .brand-name, .footer-brand .brand-sub { color: var(--white); }
.footer-brand .brand-sub { color: var(--blue-glow); }
.footer-col .brand { margin-bottom: 16px; }
.footer-col p { font-size: 0.85rem; color: var(--gray-500); margin-bottom: 8px; line-height: 1.6; }
.footer-col h4 { color: var(--white); font-size: 0.82rem; font-weight: 800; letter-spacing: 0.05em; margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { font-size: 0.85rem; color: var(--gray-500); transition: var(--transition); }
.footer-col ul a:hover { color: var(--blue-glow); }
.footer-social { display: flex; gap: 12px; margin-bottom: 28px; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  transition: var(--transition);
}
.footer-social a:hover { background: var(--blue-600); transform: translateY(-3px); }
.payment-heading { margin-bottom: 14px; }
.footer-payments { display: flex; gap: 14px; font-size: 1.8rem; color: var(--gray-500); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 1240px;
  margin: 0 auto;
}
.footer-bottom p { font-size: 0.78rem; color: var(--gray-500); }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed;
  bottom: 26px; right: 26px;
  width: 58px; height: 58px;
  background: var(--green-wa);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-size: 1.8rem;
  box-shadow: 0 6px 20px rgba(37,211,102,0.5);
  z-index: 999;
  transition: var(--transition);
}
.whatsapp-float:hover { background: var(--green-wa-dark); transform: scale(1.08); }

/* ===== PHOTO SLOT (con imagen propia + respaldo en icono) ===== */
.photo-slot {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-950));
}
.photo-slot img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.photo-slot .fallback {
  position: absolute; inset: 0;
  display: none;
  align-items: center; justify-content: center;
  flex-direction: column;
  gap: 8px;
  color: var(--blue-glow);
  background: linear-gradient(135deg, var(--navy-800), var(--navy-950));
}
.photo-slot .fallback i { font-size: 2rem; }
.photo-slot .fallback span { font-size: 0.65rem; font-weight: 700; color: var(--gray-300); letter-spacing: 0.03em; text-align: center; padding: 0 10px; }
.photo-slot.light .fallback { background: linear-gradient(135deg, var(--gray-100), var(--gray-50)); color: var(--blue-600); }
.photo-slot.light .fallback span { color: var(--gray-500); }

/* ===== PAGE BANNER (interior pages) ===== */
.page-banner {
  position: relative;
  padding: 70px 0 50px;
  background:
    linear-gradient(115deg, rgba(6,14,33,0.95) 0%, rgba(10,22,48,0.9) 60%, rgba(10,22,48,0.75) 100%),
    radial-gradient(circle at 85% 20%, rgba(37,99,235,0.35), transparent 55%),
    var(--navy-950);
  text-align: center;
}
.page-banner .breadcrumb { color: var(--blue-glow); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; margin-bottom: 14px; }
.page-banner .breadcrumb a { color: var(--gray-300); }
.page-banner .breadcrumb a:hover { color: var(--white); }
.page-banner h1 { color: var(--white); font-size: 2.1rem; font-weight: 900; margin-bottom: 12px; letter-spacing: -0.01em; }
.page-banner p { color: var(--gray-300); max-width: 560px; margin: 0 auto; font-size: 0.95rem; }

/* ===== PRODUCT CARDS (Tienda) ===== */
.category-anchor { scroll-margin-top: 100px; }
.category-block { padding: 60px 0; border-bottom: 1px solid var(--gray-100); }
.category-block:last-child { border-bottom: none; }
.category-block-head { display: flex; align-items: center; gap: 16px; margin-bottom: 30px; }
.category-block-head .category-icon { width: 52px; height: 52px; font-size: 1.2rem; margin: 0; flex-shrink: 0; }
.category-block-head h2 { font-size: 1.3rem; font-weight: 800; color: var(--navy-900); }
.category-block-head p { font-size: 0.85rem; color: var(--gray-500); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.product-card .photo-slot { height: 170px; }
.product-card-body { padding: 18px; }
.product-card-body .brand-tag { font-size: 0.68rem; font-weight: 700; color: var(--blue-600); letter-spacing: 0.05em; margin-bottom: 4px; display: block; }
.product-card-body h3 { font-size: 0.88rem; font-weight: 700; color: var(--navy-900); margin-bottom: 10px; min-height: 40px; }
.product-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.product-price { font-size: 1rem; font-weight: 800; color: var(--navy-900); }
.product-price small { display: block; font-size: 0.65rem; font-weight: 600; color: var(--gray-500); }
.icon-btn {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--navy-800);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  border: none;
  transition: var(--transition);
  flex-shrink: 0;
}
.icon-btn:hover { background: var(--blue-600); }

/* ===== TIRE CARDS ===== */
.tire-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.tire-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.tire-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.tire-card .photo-slot { height: 190px; }
.tire-card-body { padding: 20px; }
.tire-card-body h3 { font-size: 0.95rem; font-weight: 800; color: var(--navy-900); margin-bottom: 6px; }
.tire-card-body p { font-size: 0.82rem; color: var(--gray-500); margin-bottom: 16px; }

.size-finder {
  background: var(--navy-950);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  color: var(--white);
}
.size-finder h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: 8px; }
.size-finder p { color: var(--gray-300); font-size: 0.88rem; max-width: 420px; }

/* ===== ARTICLE / BLOG CARDS ===== */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.article-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.article-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.article-card .photo-slot { height: 190px; }
.article-card-body { padding: 22px; }
.article-tag { display: inline-block; font-size: 0.66rem; font-weight: 700; color: var(--blue-600); background: rgba(37,99,235,0.1); padding: 4px 10px; border-radius: 20px; margin-bottom: 12px; letter-spacing: 0.03em; }
.article-card-body h3 { font-size: 1rem; font-weight: 800; color: var(--navy-900); margin-bottom: 10px; line-height: 1.4; }
.article-card-body p { font-size: 0.85rem; color: var(--gray-500); margin-bottom: 16px; }
.article-meta { font-size: 0.72rem; color: var(--gray-500); display: flex; align-items: center; gap: 8px; }

/* ===== BRAND LOGOS (Marcas) ===== */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.brand-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  height: 110px;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.brand-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--blue-400); }
.brand-card .photo-slot { width: 100%; height: 100%; background: transparent; }
.brand-card .photo-slot img { object-fit: contain; padding: 18px; }
.brand-card .photo-slot .fallback { background: transparent; }
.brand-card .photo-slot .fallback i { font-size: 1.6rem; color: var(--gray-300); }

/* ===== GALLERY ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 18px;
}
.gallery-item { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.gallery-item.tall { grid-row: span 2; }
.gallery-item.wide { grid-column: span 2; }
.gallery-item .photo-slot { height: 100%; }

/* ===== ABOUT / NOSOTROS ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.about-media .photo-slot { height: 420px; border-radius: var(--radius); }
.about-text .eyebrow { color: var(--blue-600); font-weight: 700; font-size: 0.78rem; letter-spacing: 0.12em; margin-bottom: 12px; display: block; }
.about-text h2 { font-size: 1.9rem; font-weight: 900; color: var(--navy-900); margin-bottom: 18px; line-height: 1.25; }
.about-text p { color: var(--gray-500); font-size: 0.95rem; margin-bottom: 16px; }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.about-stats div { text-align: left; }
.about-stats strong { display: block; font-size: 1.7rem; font-weight: 900; color: var(--blue-600); }
.about-stats span { font-size: 0.78rem; color: var(--gray-500); font-weight: 600; }

/* ===== CONTACT CTA BAND (home) ===== */
.contact-cta-band {
  background: linear-gradient(120deg, var(--navy-950), var(--navy-800));
  padding: 56px 0;
}
.contact-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.contact-cta-inner h2 { color: var(--white); font-size: 1.4rem; font-weight: 800; margin-bottom: 8px; }
.contact-cta-inner p { color: var(--gray-300); font-size: 0.9rem; }
.contact-cta-inner p i { color: var(--blue-glow); margin-right: 6px; }
.contact-cta-buttons { display: flex; gap: 14px; flex-wrap: wrap; }

/* ===== CARRITO / CHECKOUT ===== */
.cart-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 40px;
  align-items: start;
}
.cart-lines { display: flex; flex-direction: column; gap: 16px; }
.cart-line {
  display: grid;
  grid-template-columns: 90px 1fr auto auto;
  align-items: center;
  gap: 18px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}
.cart-line .photo-slot { width: 90px; height: 90px; border-radius: 8px; }
.cart-line-name { font-size: 0.9rem; font-weight: 700; color: var(--navy-900); margin-bottom: 4px; }
.cart-line-price { font-size: 0.8rem; color: var(--gray-500); }
.qty-stepper { display: flex; align-items: center; gap: 10px; }
.qty-stepper button {
  width: 30px; height: 30px;
  border-radius: 6px;
  border: 1px solid var(--gray-100);
  background: var(--gray-50);
  color: var(--navy-900);
  font-weight: 700;
  transition: var(--transition);
}
.qty-stepper button:hover { background: var(--navy-800); color: var(--white); }
.qty-stepper span { min-width: 20px; text-align: center; font-weight: 700; }
.cart-line-remove { color: var(--gray-500); font-size: 1.1rem; background: none; border: none; }
.cart-line-remove:hover { color: #e5484d; }
.cart-line-total { font-weight: 800; color: var(--navy-900); text-align: right; min-width: 90px; }

.cart-empty { text-align: center; padding: 60px 20px; color: var(--gray-500); }
.cart-empty i { font-size: 3rem; color: var(--gray-300); margin-bottom: 18px; display: block; }

.summary-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 100px;
}
.summary-card h3 { font-size: 1.05rem; font-weight: 800; color: var(--navy-900); margin-bottom: 20px; }
.summary-row { display: flex; justify-content: space-between; font-size: 0.88rem; color: var(--gray-500); margin-bottom: 12px; }
.summary-row.total { font-size: 1.1rem; font-weight: 800; color: var(--navy-900); border-top: 1px solid var(--gray-100); padding-top: 14px; margin-top: 6px; }

.payment-options { display: flex; flex-direction: column; gap: 14px; margin-top: 10px; }
.payment-option {
  display: flex; align-items: center; gap: 14px;
  padding: 16px;
  border-radius: 8px;
  border: 2px solid var(--gray-100);
  background: var(--gray-50);
  width: 100%;
  text-align: left;
  transition: var(--transition);
}
.payment-option:hover { border-color: var(--blue-400); }
.payment-option i { font-size: 1.6rem; color: var(--navy-800); flex-shrink: 0; }
.payment-option strong { display: block; font-size: 0.88rem; color: var(--navy-900); }
.payment-option span { font-size: 0.76rem; color: var(--gray-500); }
.payment-option:disabled { opacity: 0.55; cursor: not-allowed; }

.checkout-form .form-group { margin-bottom: 16px; }
.order-summary-mini { background: var(--gray-50); border-radius: 8px; padding: 16px; margin-bottom: 20px; }
.order-summary-mini-row { display: flex; justify-content: space-between; font-size: 0.82rem; color: var(--gray-700); padding: 6px 0; border-bottom: 1px dashed var(--gray-100); }
.order-summary-mini-row:last-child { border-bottom: none; }

.result-page { padding: 100px 0; text-align: center; }
.result-icon { width: 90px; height: 90px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; font-size: 2.6rem; }
.result-icon.success { background: rgba(37,211,102,0.12); color: var(--green-wa-dark); }
.result-icon.error { background: rgba(229,72,77,0.12); color: #e5484d; }
.result-icon.pending { background: rgba(245,166,35,0.12); color: #d68a1a; }
.result-page h1 { font-size: 1.6rem; font-weight: 900; color: var(--navy-900); margin-bottom: 12px; }
.result-page p { color: var(--gray-500); max-width: 480px; margin: 0 auto 28px; }
.result-order-box { background: var(--gray-50); border-radius: var(--radius); padding: 24px; max-width: 420px; margin: 0 auto 28px; text-align: left; }

@media (max-width: 860px) {
  .cart-layout { grid-template-columns: 1fr; }
  .cart-line { grid-template-columns: 60px 1fr; row-gap: 10px; }
  .cart-line .photo-slot { width: 60px; height: 60px; grid-row: span 3; }
  .cart-line-total { text-align: left; }
  .summary-card { position: static; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .tire-grid { grid-template-columns: repeat(2, 1fr); }
  .article-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-media .photo-slot { height: 300px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .discover-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    top: 78px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 10px 24px 20px;
    box-shadow: var(--shadow-md);
    transform: translateY(-150%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }
  .main-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .main-nav > a, .nav-dropdown { width: 100%; padding: 12px 0; border-bottom: 1px solid var(--gray-100); }
  .nav-dropdown > a { justify-content: space-between; width: 100%; }
  .dropdown-menu { position: static; transform: none; box-shadow: none; opacity: 1; visibility: visible; display: none; width: 100%; padding: 0; margin-top: 6px; }
  .nav-dropdown.open .dropdown-menu { display: block; }
  .menu-toggle { display: block; }
  .header-actions { gap: 16px; }
  .action-link span { display: none !important; }

  .hero h1 { font-size: 2rem; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .tire-grid { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: 1fr; }
  .brand-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 160px; }
  .gallery-item.wide { grid-column: span 2; }
  .about-stats { grid-template-columns: 1fr; gap: 12px; }
  .page-banner h1 { font-size: 1.6rem; }
  .contact-cta-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 560px) {
  .service-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .hero { min-height: 560px; }
  .hero-buttons { flex-direction: column; align-items: stretch; }
  .footer-top { grid-template-columns: 1fr; padding: 50px 24px 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .product-grid { grid-template-columns: 1fr; }
  .brand-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 220px; }
  .gallery-item.wide { grid-column: span 1; }
  .gallery-item.tall { grid-row: span 1; }
  .size-finder { flex-direction: column; align-items: flex-start; }
}