/* ==========================================================================
   Alpa Clean — home.css
   Secciones exclusivas de la página de inicio
   ========================================================================== */

/* ---------- Hero ---------- */
.hero {
  padding-top: calc(var(--header-h) + var(--space-lg));
  padding-bottom: var(--space-xl);
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(46, 163, 242, 0.14), transparent 55%),
    var(--color-bg);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero__eyebrow-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.hero h1 {
  font-size: var(--fs-hero);
  margin-bottom: var(--space-sm);
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--color-ink-soft);
  max-width: 42ch;
  margin-bottom: var(--space-md);
}

.hero__ctas {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

/* Visual: ripple + producto */
.hero__visual {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* .ripple base styles viven en components.css (componente compartido) */

.hero__product {
  position: relative;
  z-index: 1;
  width: 78%;
  filter: drop-shadow(0 40px 60px rgba(1, 58, 87, 0.28));
  transition: transform 6s var(--ease-premium);
}

.hero__visual:hover .hero__product { transform: translateY(-8px); }

.hero__badge {
  position: absolute;
  z-index: 2;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-xs) var(--space-sm);
  box-shadow: 0 20px 40px -24px rgba(1, 58, 87, 0.4);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--fs-small);
  font-weight: 700;
}

.hero__badge svg { width: 20px; height: 20px; color: var(--color-accent); }

.hero__badge--top { top: 6%; left: -4%; }
.hero__badge--bottom { bottom: 8%; right: -2%; }

/* ---------- Diagnóstico (pain) ---------- */
.diagnosis {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-tint) 0%, var(--color-bg) 100%);
  color: var(--color-ink);
  padding-block: var(--space-xl) var(--space-lg);
}

.diagnosis .eyebrow { color: var(--color-primary-dark); }
.diagnosis .eyebrow::before { background: var(--color-primary); }
.diagnosis h2 { color: var(--color-ink); }

.diagnosis__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-xl);
  align-items: start;
}

.diagnosis__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--color-line);
}

.diagnosis__item {
  display: flex;
  gap: var(--space-sm);
  padding-block: var(--space-sm);
  border-bottom: 1px solid var(--color-line);
}

.diagnosis__item svg {
  width: 22px; height: 22px;
  flex-shrink: 0;
  color: var(--color-primary-dark);
  margin-top: 0.2rem;
}

.diagnosis__item strong { display: block; color: var(--color-ink); margin-bottom: 0.2rem; }
.diagnosis__item p { font-size: var(--fs-small); color: var(--color-ink-soft); }

/* ---------- Sistema modular (soluciones) ---------- */
.system {
  background: var(--color-bg);
  padding-block: var(--space-lg) var(--space-xl);
}

.system__tabs {
  display: flex;
  gap: var(--space-2xs);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-line);
  overflow-x: auto;
}

.system__tab {
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-premium), border-color var(--dur-fast) var(--ease-premium);
}

.system__tab[aria-selected="true"] {
  color: var(--color-primary-dark);
  border-color: var(--color-primary);
}

.system__panels {
  position: relative;
}

.system__panel {
  display: none;
  grid-template-columns: 0.55fr 1.45fr;
  gap: var(--space-xl);
  align-items: center;
}

.system__panel.is-active { display: grid; }

.system__panel-figure {
  aspect-ratio: 3/4;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--color-tint) 0%, var(--color-tint-strong) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm);
  position: relative;
}

.system__panel-figure::before {
  content: attr(data-index);
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-small);
  color: var(--color-primary-dark);
  letter-spacing: 0.08em;
}

.system__panel-content h3 { margin-bottom: var(--space-2xs); }
.system__panel-content p.lead-sm { color: var(--color-ink-soft); margin-bottom: var(--space-sm); }

.system__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm) var(--space-md);
}

.system__features li {
  display: flex;
  gap: 0.5rem;
  font-size: var(--fs-small);
  align-items: start;
}

.system__features svg { width: 18px; height: 18px; color: var(--color-accent); flex-shrink: 0; margin-top: 0.15rem; }

/* ---------- Catálogo ---------- */
.catalog {
  padding-top: var(--space-md);
}

.catalog__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.catalog__grid .product-card:nth-child(1) { grid-column: span 2; }
.catalog__grid .product-card:nth-child(1) .product-card__media { aspect-ratio: 16/11; }

/* ---------- Ventajas (ledger) ---------- */
.advantages {
  padding-top: var(--space-lg);
}

.advantages__grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-xl);
}

.advantages__aside {
  position: sticky;
  top: calc(var(--header-h) + var(--space-md));
  align-self: start;
}

/* ---------- Sectores ---------- */
.sectors {
  background: var(--color-bg-alt);
  padding-block: var(--space-xl) var(--space-lg);
}

.sectors__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md) var(--space-lg);
}

.sector-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: var(--space-sm);
  border-top: 2px solid var(--color-line);
  transition: border-color var(--dur-fast) var(--ease-premium);
}

.sector-card:hover { border-color: var(--color-primary); }

.sector-card svg { width: 28px; height: 28px; color: var(--color-primary-dark); }
.sector-card h3 { font-size: 1rem; }
.sector-card p { font-size: var(--fs-small); color: var(--color-ink-soft); }

/* ---------- CTA final ---------- */
.cta-final {
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.16), transparent 50%),
    linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-deep) 100%);
  color: #fff;
}

.cta-final__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-xl);
  align-items: center;
}

.cta-final .eyebrow { color: #fff; }
.cta-final .eyebrow::before { background: #fff; }
.cta-final h2 { color: #fff; margin-bottom: var(--space-sm); }
.cta-final p { color: #C9D9E2; margin-bottom: var(--space-md); }

.cta-final__card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  backdrop-filter: blur(10px);
}

.cta-final__card dl {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.cta-final__card dt {
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #93A9B6;
}

.cta-final__card dd {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}

.cta-final__card .btn { margin-top: var(--space-sm); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .hero__grid,
  .diagnosis__grid,
  .system__panel,
  .advantages__grid,
  .cta-final__grid {
    grid-template-columns: 1fr;
  }
  .hero__visual { order: -1; max-width: 420px; margin-inline: auto; }
  .advantages__aside { position: static; }
  .catalog__grid { grid-template-columns: repeat(2, 1fr); }
  .catalog__grid .product-card:nth-child(1) { grid-column: span 2; }
  .sectors__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .catalog__grid { grid-template-columns: 1fr; }
  .catalog__grid .product-card:nth-child(1) { grid-column: span 1; }
  .sectors__grid { grid-template-columns: 1fr; }
  .system__features { grid-template-columns: 1fr; }
  .hero__badge { display: none; }
}