/* ============================================
   CAFE SOL - Estilos principales
   Tema: Oscuro con acentos dorados
   ============================================ */

/* --- Variables del sistema de diseño --- */
:root {
  --color-bg:        #0d0d0d;
  --color-surface:   #161616;
  --color-surface-2: #1f1f1f;
  --color-border:    #2a2a2a;

  --color-gold:      #c9a84c;
  --color-gold-light:#e2c47a;
  --color-gold-dim:  #8a6f2e;

  --color-text:      #e8e0d0;
  --color-text-muted:#8a8070;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --shadow-gold: 0 4px 24px rgba(201, 168, 76, 0.15);
  --transition: 0.3s ease;
}

/* --- Reset base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* --- Utilidades --- */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================
   BOTONES
   ============================================ */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
}

.btn--primary {
  background-color: var(--color-gold);
  color: #0d0d0d;
  border: 2px solid var(--color-gold);
}

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

.btn--primary:active {
  transform: translateY(0);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 60% 40%, rgba(201, 168, 76, 0.07) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(201, 168, 76, 0.04) 0%, transparent 50%),
    var(--color-bg);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255,255,255,0.01) 2px,
    rgba(255,255,255,0.01) 4px
  );
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  padding: 2rem 1.5rem;
  animation: fadeInUp 0.8s ease both;
}

.hero__tagline {
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 700;
  line-height: 1;
  color: #fff;
  margin-bottom: 1.5rem;
  text-shadow: 0 0 60px rgba(201, 168, 76, 0.2);
}

.hero__title::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: var(--color-gold);
  margin: 1rem auto 0;
}

.hero__subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

/* Indicador de scroll */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero__scroll span {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--color-gold));
  margin: 0 auto;
  animation: scrollPulse 2s ease infinite;
}

/* ============================================
   SECCION TITULOS
   ============================================ */
.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #fff;
  text-align: center;
  margin-bottom: 0.75rem;
}

.section__subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1rem;
  margin-bottom: 3.5rem;
}

/* ============================================
   PRODUCTOS
   ============================================ */
.productos {
  padding: 6rem 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.productos__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

/* --- Tarjetas de producto --- */
.card {
  position: relative;
  background-color: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: default;
}

.card:hover {
  border-color: var(--color-gold-dim);
  transform: translateY(-6px);
  box-shadow: var(--shadow-gold);
}

.card--featured {
  border-color: var(--color-gold-dim);
  background: linear-gradient(135deg, var(--color-surface-2) 60%, rgba(201,168,76,0.05) 100%);
}

.card--featured:hover {
  border-color: var(--color-gold);
  box-shadow: 0 8px 40px rgba(201, 168, 76, 0.25);
}

.card__badge {
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-gold);
  color: #0d0d0d;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 1rem;
  border-radius: 100px;
  white-space: nowrap;
}

.card__icon {
  font-size: 2.5rem;
  line-height: 1;
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
}

.card__description {
  font-size: 0.93rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  flex: 1;
}

.card__price {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-top: 0.5rem;
  font-family: var(--font-display);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background-color: var(--color-bg);
  padding: 4rem 0 1.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}

.footer__slogan {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
}

.footer__heading {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1rem;
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__list li {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
  text-align: center;
}

.footer__bottom p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ============================================
   ANIMACIONES
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
  50%       { opacity: 1;   transform: scaleY(1); }
}

.card {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease,
    border-color var(--transition),
    box-shadow var(--transition);
}

.card.visible {
  opacity: 1;
  transform: translateY(0);
}

.card:hover {
  transform: translateY(-6px);
}

.card.visible:hover {
  transform: translateY(-6px);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .productos__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 3rem;
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.85rem;
  }
}