:root {
  --bg: #050511;
  --bg-alt: #0b0b1c;
  --accent: #ff2277;
  --accent-soft: rgba(255, 34, 119, 0.2);
  --accent-2: #22ffe0;
  --text: #f5f5f7;
  --muted: #a1a1b5;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --radius-lg: 18px;
  --radius-xl: 28px;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.6);
}

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

html, body {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  font-family: "Roboto", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #18182c 0, #050511 45%);
  color: var(--text);
  min-height: 100vh;
}

/* HEADER */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 5vw;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(5,5,17,0.95), rgba(5,5,17,0.3));
  border-bottom: 1px solid var(--border-subtle);
}

.logo {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: 0.16em;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.logo span {
  color: var(--accent);
}

.nav {
  display: flex;
  gap: 0.75rem;
}

.nav button {
  background: transparent;
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav button:hover {
  border-color: var(--accent-soft);
  color: var(--text);
  background: rgba(255,255,255,0.02);
}

/* LAYOUT */

main {
  padding: 2.5rem 5vw 3.5rem;
  max-width: 1120px;
  margin: 0 auto;
}

/* HERO */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
  padding: 2.5rem 0 3rem;
}

.hero-content {
  max-width: 600px;
}

.tagline {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.7rem;
  color: var(--accent-2);
  margin: 0 0 0.75rem;
}

.hero h1 {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(2.1rem, 4vw, 3rem);
  margin: 0 0 0.8rem;
}

.hero h1 span {
  color: var(--accent);
}

.hero-text {
  color: var(--muted);
  max-width: 34rem;
  margin-bottom: 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.hero-meta span {
  padding: 0.3rem 0.8rem;
  background: rgba(255,255,255,0.02);
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
}

/* HERO ART */

.hero-art {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-circle {
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 999px;
  background: radial-gradient(circle, var(--accent-soft) 0, transparent 60%);
  filter: blur(8px);
}

.hero-card {
  position: relative;
  background: linear-gradient(145deg, #101023, #050511);
  border-radius: var(--radius-xl);
  padding: 1rem;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  max-width: 260px;
  width: 100%;
}

.cover-real img {
    width: 100%;
    border-radius: 22px;
    display: block;
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
}


.mini-title {
  font-size: 0.9rem;
  font-weight: 600;
}

.mini-text {
  font-size: 0.75rem;
  color: var(--muted);
}

/* BUTTONS */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), #ff6a3d);
  box-shadow: 0 12px 30px rgba(0,0,0,0.5);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(0,0,0,0.7);
}

.btn.ghost {
  background: rgba(255,255,255,0.02);
  border-color: var(--border-subtle);
  color: var(--muted);
}

.btn.ghost:hover {
  border-color: var(--accent-soft);
  color: var(--text);
}

.btn.small {
  font-size: 0.8rem;
  padding: 0.45rem 0.9rem;
}

.btn.full {
  width: 100%;
}

/* SECTIONS GENERIC */

.section {
  padding: 2.5rem 0;
}

.section-header {
  margin-bottom: 1.5rem;
}

.section-header h2 {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 1.6rem;
  margin-bottom: 0.4rem;
}

.section-header p {
  margin: 0;
  color: var(--muted);
}

/* MUSIC */

.music-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 2rem;
}

.tracklist {
  list-style: decimal;
  margin: 0;
  padding-left: 1.4rem;
  background: linear-gradient(145deg, rgba(255,255,255,0.02), rgba(5,5,17,0.9));
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.3rem 1.6rem;
}

.tracklist li {
  padding: 0.2rem 0;
  font-size: 0.95rem;
}

.platforms {
  background: linear-gradient(145deg, rgba(255,34,119,0.12), rgba(5,5,17,0.9));
  border-radius: var(--radius-lg);
  border: 1px solid var(--accent-soft);
  padding: 1.3rem 1.5rem;
}

.platforms h3 {
  margin-top: 0;
  margin-bottom: 0.7rem;
}

.platforms ul {
  list-style: none;
  margin: 0 0 0.75rem;
  padding: 0;
}

.platforms li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent-2);
}

.small {
  font-size: 0.8rem;
  color: var(--muted);
}

.platform-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

/* ABOUT */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 2rem;
}

.about p {
  color: var(--muted);
}

.about-highlight {
  background: linear-gradient(145deg, rgba(34,255,224,0.08), rgba(5,5,17,0.95));
  border: 1px solid rgba(34,255,224,0.2);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.4rem;
}

.about-highlight h3 {
  margin-top: 0;
}

.about-highlight ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
}

/* CONTACT */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 2rem;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.contact-list .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  display: block;
  margin-bottom: 0.1rem;
}

.contact-list a {
  color: var(--text);
  text-decoration: none;
}

.contact-list a:hover {
  color: var(--accent-2);
}

.contact-form {
  background: rgba(5,5,17,0.9);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.4rem 1.5rem;
}

.field {
  margin-bottom: 0.9rem;
}

.field label {
  display: block;
  font-size: 0.8rem;
  margin-bottom: 0.25rem;
  color: var(--muted);
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(5,5,17,0.9);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent-soft);
}

/* FOOTER */

.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 1.1rem 5vw 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
}

/* RESPONSIVE */

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-art {
    order: -1;
    margin-bottom: 1.5rem;
  }

  .music-layout,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}

@media (max-width: 600px) {
  main {
    padding-inline: 1.2rem;
  }

  .site-header {
    padding-inline: 1.2rem;
  }
}
.platform-images img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;   /* opcional, para que siga el estilo */
  margin-bottom: 1rem;
}
<style>
  .btn-musica {
      margin-bottom: 30px;
  }
</style>

<button class="btn-musica" onclick="playPart()">Reproducir música</button>