/* ==========================================================
   AIKON NEUMÁTICOS — /neumaticos/seminuevos/styles.css
   Estilos específicos de la página Neumáticos Seminuevos.
   Se carga DESPUÉS de /styles.css (cascada nos da prioridad).
   ========================================================== */

/* Nav — estado activo "Neumáticos > Seminuevos" */
.nav__link.is-active { color: var(--aikon-yellow); }
.nav__link.is-active::after { transform: scaleX(1); }
.nav__menu a.is-active { background: rgba(255,212,9,0.12); color: var(--aikon-yellow); }
.nav__menu a.is-active span { color: rgba(255,212,9,0.75); }
.nav__mobile-group a.is-active { color: var(--aikon-yellow); font-weight: 700; }

/* ==========================================================
   HERO — variante producto seminuevos
   ========================================================== */
.hero--product {
  padding: var(--space-12) 0 var(--space-16);
  min-height: 540px;
  display: flex;
  align-items: center;
  background-color: var(--aikon-black);
  background-image: url('/img/producto-seminuevos-1280w.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  isolation: isolate;
}
.hero--product::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: inherit;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: grayscale(10%) brightness(0.6);
  z-index: -1;
}
.hero--product .hero__overlay {
  background: linear-gradient(135deg,
    rgba(10,10,10,0.92) 0%,
    rgba(10,10,10,0.75) 50%,
    rgba(10,10,10,0.55) 100%);
}
.hero--product .hero__media::before { background: none; }
.hero--product .hero__container { width: 100%; }
.hero--product .hero__grid { grid-template-columns: 1fr; gap: var(--space-6); }
.hero--product .hero__title { font-size: var(--text-3xl); max-width: 22ch; }

@media (max-width: 639px) {
  .hero--product { background-image: url('/img/producto-seminuevos-640w.webp'); }
}
@media (max-width: 1023px) {
  .hero--product { background-image: url('/img/producto-seminuevos-1280w.webp'); }
}
@media (min-width: 1024px) {
  .hero--product { min-height: 600px; padding: var(--space-16) 0; }
  .hero--product .hero__title { font-size: var(--text-4xl); }
}
@media (min-width: 1440px) {
  .hero--product { background-image: url('/img/producto-seminuevos-1920w.webp'); }
}

/* Trust bar */
.hero__trust {
  display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-6);
}
.hero__trust-item {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-sm); color: rgba(255,255,255,0.85); font-weight: 500;
}
.hero__trust-item::before { content:'✓'; color: var(--aikon-yellow); font-weight: 800; font-size: var(--text-base); }

/* Breadcrumb */
.breadcrumb { margin-bottom: var(--space-6); font-size: var(--text-sm); }
.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); color: rgba(255,255,255,0.75); }
.breadcrumb li { display: inline-flex; align-items: center; gap: var(--space-2); }
.breadcrumb li + li::before { content:"›"; color: rgba(255,255,255,0.4); font-size: var(--text-base); }
.breadcrumb a { color: var(--aikon-yellow); text-decoration: underline; text-decoration-color: rgba(255,212,9,0.35); text-underline-offset: 3px; transition: text-decoration-color 150ms; }
.breadcrumb a:hover { text-decoration-color: var(--aikon-yellow); }
.breadcrumb [aria-current="page"] { color: var(--aikon-white); font-weight: 600; }

/* ==========================================================
   BRANDS — cuadrícula de marcas
   ========================================================== */
.brands { background: var(--aikon-white); padding: var(--space-16) 0; }
.brands__inner { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-6); }
.brands__grid { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--space-4); margin-top: var(--space-8); }
@media (min-width: 640px) { .brands__grid { grid-template-columns: repeat(3,1fr); } }
@media (min-width: 1024px) { .brands__grid { grid-template-columns: repeat(4,1fr); gap: var(--space-6); } }

.brand-card {
  display: flex; flex-direction: column; align-items: center; gap: 0; padding: 0;
  background: #fff; border: 2px solid var(--aikon-gray-200); border-radius: var(--radius-lg);
  overflow: hidden; text-align: center;
  transition: box-shadow 150ms, border-color 150ms, transform 150ms;
}
.brand-card:hover { box-shadow: var(--shadow-md); border-color: var(--aikon-yellow); transform: translateY(-3px); }
.brand-card__logo { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; transition: transform 250ms; }
.brand-card:hover .brand-card__logo { transform: scale(1.04); }
.brand-card__name { font-size: var(--text-sm); font-weight: 700; color: var(--aikon-black); letter-spacing: 0.05em; text-transform: uppercase; padding: var(--space-3) var(--space-2) 2px; }
.brand-card__tag { font-size: var(--text-xs); color: var(--aikon-gray-700); font-weight: 500; padding: 0 var(--space-2) var(--space-3); line-height: 1.4; }

/* ==========================================================
   TIRE FINDER — buscador de medida
   ========================================================== */
.tire-finder { background: var(--aikon-black); padding: var(--space-16) 0; }
.tire-finder__inner { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-6); }
.tire-finder__head { text-align: center; margin-bottom: var(--space-10); }
.tire-finder__head .kicker { margin-bottom: var(--space-3); }
.tire-finder__head .section-title { color: var(--aikon-white); }
.tire-finder__head .section-sub { color: rgba(255,255,255,0.65); max-width: 48ch; margin: var(--space-3) auto 0; }

.tire-finder__form {
  display: flex; flex-direction: column; align-items: center;
  gap: var(--space-4); width: 100%; max-width: 540px;
  margin: 0 auto var(--space-10); text-align: center;
}
.tire-finder__input-wrap { width: 100%; position: relative; }
.tire-finder__input {
  width: 100%; background: rgba(255,255,255,0.06);
  border: 2px solid rgba(255,255,255,0.18); border-radius: var(--radius-lg);
  color: var(--aikon-white); font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-lg); font-weight: 500;
  padding: calc(var(--space-4) + 5px) var(--space-5);
  outline: none; transition: border-color 150ms; box-sizing: border-box;
  letter-spacing: 0.04em; text-align: center; display: block; margin: 0 auto;
}
.tire-finder__input::placeholder { color: rgba(255,255,255,0.35); font-style: normal; }
.tire-finder__input:focus { border-color: var(--aikon-yellow); background: rgba(255,212,9,0.05); }

.tire-finder__wa {
  display: inline-flex; align-items: center; gap: var(--space-2);
  background: #25D366; color: #ffffff; font-weight: 700; font-size: var(--text-sm);
  height: 50px; padding: 5px 20px;
  border-radius: var(--radius-pill); transition: background 150ms, transform 150ms; text-decoration: none;
}
.tire-finder__wa:hover { background: #1fb055; transform: translateY(-1px); }
.tire-finder__wa svg { flex-shrink: 0; }
.tire-finder__hint { font-size: var(--text-xs); color: rgba(255,255,255,0.4); text-align: center; width: 100%; }

.tire-finder__phones {
  display: flex; flex-direction: column; align-items: center; gap: var(--space-4); width: 100%; margin: 0 auto;
}
@media (min-width: 768px) {
  .tire-finder__phones { flex-direction: row; justify-content: center; align-items: stretch; flex-wrap: wrap; }
  .finder-phone { flex: 1 1 300px; max-width: 400px; margin: 0; }
}

.finder-phone {
  display: flex; flex-direction: column; align-items: center; gap: var(--space-1);
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg); padding: 20px; width: 100%; max-width: 400px;
  margin: 0 auto; box-sizing: border-box; text-decoration: none;
  transition: background 150ms, border-color 150ms;
}
.finder-phone:hover { background: rgba(255,212,9,0.08); border-color: rgba(255,212,9,0.4); }
.finder-phone__city { font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--aikon-yellow); }
.finder-phone__num { font-family: 'JetBrains Mono', monospace; font-size: var(--text-base); font-weight: 700; color: var(--aikon-white); }
.finder-phone__hint { font-size: var(--text-xs); color: rgba(255,255,255,0.45); }

/* ==========================================================
   HOW IT WORKS
   ========================================================== */
.how-it-works { background: var(--aikon-white); padding: var(--space-16) 0; }
.how-it-works__inner { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-6); }
.how-it-works__steps { display: grid; grid-template-columns: 1fr; gap: var(--space-8); margin-top: var(--space-10); }
@media (min-width: 768px) { .how-it-works__steps { grid-template-columns: repeat(3,1fr); gap: var(--space-10); } }

.step { display: flex; flex-direction: column; gap: var(--space-3); position: relative; }
.step__num { font-family: 'Anton', sans-serif; font-size: 4rem; line-height: 1; color: var(--aikon-yellow); letter-spacing: -0.02em; }
.step__title { font-size: var(--text-xl); font-weight: 700; color: var(--aikon-black); line-height: 1.2; }
.step__desc { font-size: var(--text-base); color: var(--aikon-gray-700); line-height: 1.6; }

@media (min-width: 768px) {
  .step { padding-right: var(--space-8); }
  .step:last-child { padding-right: 0; }
  .step:not(:last-child)::after {
    content: '→'; position: absolute;
    right: calc(var(--space-8) / 2 - 0.5rem); top: 1.2rem;
    font-size: 1.8rem; color: var(--aikon-gray-300,#e0e0e0); font-weight: 700;
  }
}

/* Texture divider */
.texture-divider { height: 180px; background-image: url('/img/textura-dibujo-1280w.webp'); background-size: cover; background-position: center; background-repeat: no-repeat; filter: brightness(0.3); }
@media (max-width: 639px) { .texture-divider { height: 120px; } }