:root {
  --navy: #0e2a4e;
  --dorado: #c9a15e;
  --crema: #f0d6a0;
  --blanco: #ffffff;
  --gris-texto: #4a5568;
  --sombra: 0 10px 30px rgba(14, 42, 78, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--navy);
  background: var(--blanco);
}

h1, h2, h3, .logo__texto {
  font-family: 'Oswald', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--blanco);
  border-bottom: 1px solid rgba(14, 42, 78, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1180px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--navy);
}

.logo img {
  height: 44px;
  width: auto;
}

.logo__texto {
  font-size: 1.1rem;
  font-weight: 600;
}

.header__whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--navy);
  color: var(--blanco);
  padding: 10px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s ease;
}

.header__whatsapp:hover {
  background: #123762;
}

.header__acciones {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header__carrito {
  position: relative;
  background: none;
  border: none;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  padding: 6px;
}

.carrito-contador {
  position: absolute;
  top: -4px;
  right: -6px;
  background: var(--dorado);
  color: var(--navy);
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 999px;
  min-width: 18px;
  padding: 1px 5px;
  text-align: center;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #123762 100%);
  color: var(--blanco);
  padding: 72px 24px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin: 0 0 16px;
}

.hero p {
  max-width: 560px;
  margin: 0 auto 28px;
  font-size: 1.1rem;
  color: var(--crema);
}

.hero__tagline {
  font-family: 'Oswald', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dorado);
  font-weight: 600;
  font-size: 1rem;
  margin: 0 auto 12px;
}

.btn {
  display: inline-block;
  border: none;
  border-radius: 999px;
  padding: 14px 32px;
  font-family: 'Oswald', sans-serif;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover:not(:disabled) {
  transform: translateY(-2px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.hero .btn {
  background: var(--dorado);
  color: var(--navy);
}

/* Catálogo */
.catalogo-section {
  padding: 64px 24px;
}

.catalogo-section h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 8px;
}

.catalogo-section__intro {
  text-align: center;
  color: var(--gris-texto);
  max-width: 520px;
  margin: 0 auto 40px;
}

.catalogo {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
}

.card {
  background: var(--blanco);
  border: 1px solid rgba(14, 42, 78, 0.08);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--sombra);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
}

.card__imagen {
  position: relative;
  background: var(--crema);
  aspect-ratio: 1 / 1;
}

.card__imagen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge--agotado {
  background: var(--navy);
  color: var(--blanco);
}

.card--agotado .card__imagen img {
  opacity: 0.5;
}

.card__info {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.card__categoria {
  margin: 0;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dorado);
  font-weight: 700;
}

.card__nombre {
  margin: 0 0 4px;
  font-size: 1.15rem;
}

.card__sin-stock {
  color: var(--gris-texto);
  font-size: 0.9rem;
  margin-top: auto;
}

.card__talle {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid rgba(14, 42, 78, 0.2);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
}

.card .btn--comprar {
  background: var(--navy);
  color: var(--blanco);
  margin-top: auto;
}

.card .btn--comprar:hover:not(:disabled) {
  background: #123762;
}

/* Footer */
.footer {
  background: var(--navy);
  color: var(--crema);
  padding: 40px 24px;
  text-align: center;
}

.footer p {
  margin: 4px 0;
}

.footer a {
  color: var(--dorado);
  text-decoration: none;
  font-weight: 600;
}

/* Página gracias */
.gracias {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 24px;
  gap: 16px;
}

.gracias h1 {
  font-size: 2.2rem;
}

.gracias p {
  max-width: 480px;
  color: var(--gris-texto);
}

/* Modal de checkout */
.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(14, 42, 78, 0.55);
}

.modal__contenido {
  position: relative;
  background: var(--blanco);
  border-radius: 16px;
  padding: 32px;
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--sombra);
}

.modal__cerrar {
  position: absolute;
  top: 14px;
  right: 14px;
  background: none;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  color: var(--navy);
}

.modal__contenido h3 {
  margin: 0 0 8px;
  font-size: 1.3rem;
}

.modal__resumen {
  color: var(--gris-texto);
  font-size: 0.9rem;
  margin: 0 0 20px;
}

#checkout-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal__resumen {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--gris-texto);
  font-size: 0.85rem;
  margin: 0 0 20px;
}

/* Carrito */
.carrito-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: 46vh;
  overflow-y: auto;
  margin-bottom: 16px;
}

.carrito-item {
  display: flex;
  gap: 12px;
  align-items: center;
}

.carrito-item img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.carrito-item__info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.85rem;
  flex: 1;
}

.carrito-item__info strong {
  font-size: 0.9rem;
}

.carrito-item__cantidad {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
}

.carrito-item__cantidad button {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid rgba(14, 42, 78, 0.2);
  background: var(--blanco);
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
}

.carrito-item__cantidad button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.carrito-item__quitar {
  background: none;
  border: none;
  color: #b23b3b;
  cursor: pointer;
  font-size: 0.78rem;
  margin-left: 6px;
  text-decoration: underline;
}

.carrito-vacio {
  color: var(--gris-texto);
  text-align: center;
  padding: 24px 0;
}

#checkout-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
}

#checkout-form input,
#checkout-form select {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid rgba(14, 42, 78, 0.2);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 400;
}

.modal__total {
  font-family: 'Oswald', sans-serif;
  text-transform: uppercase;
  font-size: 0.95rem;
  color: var(--navy);
  margin: 4px 0 0;
}

#checkout-form .btn--comprar {
  background: var(--dorado);
  color: var(--navy);
  margin-top: 4px;
}

#checkout-form .btn--comprar:hover:not(:disabled) {
  background: #b8905a;
}

@media (max-width: 480px) {
  .hero {
    padding: 56px 20px;
  }

  .modal__contenido {
    padding: 24px;
  }
}