/* Variables de color, tipografía y configuración */
:root {
  --color-bg-dark: #121212;
  --color-bg-gradient: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
  --color-primary: #25d366;
  --color-primary-hover: #1ebe5b;
  --color-text-light: #f0f0f0;
  --color-text-muted: #b0b0b0;
  --font-family: 'Poppins', sans-serif, Arial, sans-serif;
  --transition-speed: 0.3s;
  --border-radius: 12px;
  --shadow-card: rgba(0, 0, 0, 0.5);
  --max-width: 1200px;
}

/* Reset básico */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg-gradient);
  color: var(--color-text-light);
  font-family: var(--font-family);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* HEADER */
.site-header {
  background: var(--color-bg-dark);
  box-shadow: 0 2px 8px var(--shadow-card);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-text-light);
}

.logo img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  margin-right: 0.6rem;
  border-radius: 6px;
  filter: drop-shadow(0 0 2px #000);
  user-select: none;
}

.store-name {
  font-weight: 600;
  font-size: 1.6rem;
  user-select: none;
}

/* NAVIGATION */
.main-nav {
  display: flex;
  gap: 1.25rem;
}

.main-nav a {
  color: var(--color-text-light);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  position: relative;
  transition: color var(--transition-speed);
}

.main-nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -3px;
  left: 0;
  background-color: var(--color-primary);
  transition: width var(--transition-speed);
}

.main-nav a:hover,
.main-nav a:focus {
  color: var(--color-primary);
  outline: none;
}

.main-nav a:hover::after,
.main-nav a:focus::after {
  width: 100%;
}

/* HAMBURGER BUTTON */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 28px;
  height: 22px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: transform var(--transition-speed);
  z-index: 1100;
}

.hamburger span {
  width: 100%;
  height: 3px;
  background-color: var(--color-text-light);
  border-radius: 3px;
  transition: all 0.3s ease;
  transform-origin: 1px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg);
}

/* MAIN GRID */
.beats-grid {
  max-width: var(--max-width);
  margin: 2rem auto 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 3 columnas en desktop */
  gap: 1.75rem;
  padding: 0 1rem;
  outline: none;
}

/* BEAT CARD */
.beat-card {
  background: linear-gradient(145deg, #222222, #1a1a1a);
  border-radius: var(--border-radius);
  box-shadow: 0 8px 20px var(--shadow-card);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.beat-card:hover,
.beat-card:focus-within {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px var(--shadow-card);
  outline: none;
}

.beat-card img {
  width: 100%;
  border-radius: var(--border-radius);
  object-fit: cover;
  margin-bottom: 1rem;
  box-shadow: 0 6px 12px #0008;
  user-select: none;
}

.beat-card h2 {
  margin: 0 0 0.25rem;
  font-size: 1.25rem;
  font-weight: 700;
  text-align: center;
}

.genre {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  user-select: none;
}

/* AUDIO PLAYER */
.audio-player {
  width: 100%;
  margin-bottom: 1rem;
  border-radius: 8px;
  outline-offset: 2px;
}

/* BUTTON */
.beat-btn {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-text-light);
  text-decoration: none;
  font-weight: 700;
  padding: 0.85rem 1.5rem;
  border-radius: var(--border-radius);
  font-size: 1.1rem;
  text-align: center;
  width: 100%;
  user-select: none;
  transition: background-color var(--transition-speed), transform var(--transition-speed);
  box-shadow: 0 4px 12px #12a94aaa;
}

.beat-btn:hover,
.beat-btn:focus {
  background-color: var(--color-primary-hover);
  transform: scale(1.05);
  outline: none;
}

/* FOOTER */
.site-footer {
  background: var(--color-bg-dark);
  text-align: center;
  padding: 1rem 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: auto;
  user-select: none;
}

/* ...sobre mi... */

.about-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.about-photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-primary);
  margin-bottom: 1.5rem;
}

.about-content h2 {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.about-content p {
  font-size: 1.1rem;
  line-height: 1.6;
  margin: 0.5rem 0;
  color: var(--color-text-light);
}

.social-links {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.social-links img {
  width: 40px;
  height: 40px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  filter: brightness(0.9);
}

.social-links img:hover {
  transform: scale(1.1);
  filter: brightness(1.2);
}


/* RESPONSIVE */

/* Pantallas medianas y abajo */
@media (max-width: 1024px) {
  .beats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Pantallas móviles */
@media (max-width: 768px) {
  /* Grilla 1 columna para apilar beats */
  .beats-grid {
    grid-template-columns: 1fr;
  }

  /* Nav oculto para móviles inicialmente */
  .main-nav {
    position: fixed;
    top: 60px;
    right: 0;
    background-color: var(--color-bg-dark);
    flex-direction: column;
    width: 200px;
    max-width: 80vw;
    height: calc(100vh - 60px);
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    box-shadow: -2px 0 12px rgba(0,0,0,0.7);
    padding-top: 1rem;
    z-index: 1000;
  }
  .main-nav a {
    padding: 0.75rem 1rem;
    font-size: 1.2rem;
  }
  .main-nav.active {
    transform: translateX(0);
  }

  /* Mostrar hamburger */
  .hamburger {
    display: flex;
  }
}
/* ...otros estilos previos... */

@media (max-width: 768px) {
  .beats-grid {
    grid-template-columns: 1fr;
  }
}