/* =========================================================
   CITADEL — style.css
   Diseño: muros apilados en capas (collage de géneros)
   ========================================================= */

/* ---------- 1. Tokens ---------- */
:root {
  /* Color — "obsidiana + latón" */
  --color-bg: #14151a;
  --color-bg-alt: #1b1d24;
  --color-surface: #21232b;
  --color-line: #2e313b;
  --color-text: #f2f0ea;
  --color-text-muted: #9296a2;
  --color-accent: #c89b3c;
  --color-accent-strong: #e0b95a;
  --color-accent-soft: rgba(200, 155, 60, 0.14);

  /* Matices de "collage" usados solo en el gráfico del héroe */
  --tint-1: #c89b3c; /* latón */
  --tint-2: #5d7a99; /* pizarra */
  --tint-3: #8a5a6b; /* vino apagado */
  --tint-4: #5c8c6b; /* salvia */

  /* Tipografía */
  --font-display: "Big Shoulders Display", "Arial Narrow", "Helvetica Neue", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --fs-xs: 0.8rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1rem;
  --fs-md: 1.15rem;
  --fs-lg: 1.6rem;
  --fs-xl: 2.4rem;
  --fs-2xl: 3.2rem;
  --fs-hero: clamp(3.2rem, 12vw, 7.5rem);

  /* Espaciado */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 7rem;

  --max-width: 1180px;
  --border-radius-sm: 2px;
  --border-radius-pill: 999px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body,
h1,
h2,
h3,
p,
ul,
figure {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

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

input {
  font: inherit;
}

/* ---------- 3. Base ---------- */
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0.01em;
}

h2 {
  font-size: var(--fs-2xl);
}

h3 {
  font-size: var(--fs-lg);
  font-weight: 600;
}

p {
  color: var(--color-text-muted);
  max-width: 62ch;
}

.wrap {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

/* Enlace para saltar al contenido (accesibilidad) */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -60px;
  background: var(--color-accent);
  color: #14151a;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  transition: top 0.2s var(--ease);
  z-index: 100;
}

.skip-link:focus {
  top: var(--space-4);
}

/* Foco visible consistente */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ---------- 4. Encabezado ---------- */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 50;
  padding-block: var(--space-4);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(20, 21, 26, 0.92);
  backdrop-filter: blur(6px);
  border-bottom-color: var(--color-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--color-text);
}

.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
}

.nav-toggle-bars span {
  width: 20px;
  height: 2px;
  background: var(--color-text);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-list {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: min(78vw, 320px);
  background: var(--color-bg-alt);
  border-left: 1px solid var(--color-line);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-5);
  padding-inline: var(--space-7);
  transform: translateX(100%);
  transition: transform 0.35s var(--ease);
}

.nav-list.is-open {
  transform: translateX(0);
}

.nav-list a {
  font-size: var(--fs-lg);
  font-family: var(--font-display);
  font-weight: 600;
}

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

@media (min-width: 800px) {
  .nav-toggle {
    display: none;
  }

  .nav-list {
    position: static;
    height: auto;
    width: auto;
    background: transparent;
    border-left: none;
    flex-direction: row;
    gap: var(--space-6);
    padding-inline: 0;
    transform: none;
    transition: none;
  }

  .nav-list a {
    font-size: var(--fs-sm);
    font-family: var(--font-body);
    font-weight: 500;
  }
}

/* ---------- 5. Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: var(--fs-sm);
  border: 1px solid var(--color-accent);
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.btn-primary {
  background: var(--color-accent);
  color: #14151a;
}

.btn-primary:hover {
  background: var(--color-accent-strong);
  border-color: var(--color-accent-strong);
}

/* ---------- 6. Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: calc(var(--space-9) + var(--space-5)) var(--space-8);
  position: relative;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

.hero-title {
  font-size: var(--fs-hero);
  text-transform: uppercase;
}

.hero-tagline {
  margin-top: var(--space-5);
  font-size: var(--fs-md);
  color: var(--color-text);
  max-width: 46ch;
}

.hero-meta {
  margin-top: var(--space-4);
  font-size: var(--fs-sm);
}

.hero-text .btn {
  margin-top: var(--space-6);
}

.hero-graphic {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
  height: 220px;
}

.citadel-bar {
  flex: 1;
  transform-origin: bottom;
  border-radius: 1px 1px 0 0;
  animation: rise-up 0.9s var(--ease) both;
}

.citadel-bar:nth-child(1) {
  height: 38%;
  background: var(--tint-2);
  animation-delay: 0ms;
}
.citadel-bar:nth-child(2) {
  height: 64%;
  background: var(--tint-1);
  animation-delay: 60ms;
}
.citadel-bar:nth-child(3) {
  height: 48%;
  background: var(--tint-3);
  animation-delay: 120ms;
}
.citadel-bar:nth-child(4) {
  height: 100%;
  background: var(--tint-1);
  animation-delay: 180ms;
}
.citadel-bar:nth-child(5) {
  height: 56%;
  background: var(--tint-4);
  animation-delay: 240ms;
}
.citadel-bar:nth-child(6) {
  height: 74%;
  background: var(--tint-2);
  animation-delay: 300ms;
}
.citadel-bar:nth-child(7) {
  height: 44%;
  background: var(--tint-3);
  animation-delay: 360ms;
}

@keyframes rise-up {
  from {
    transform: scaleY(0);
    opacity: 0;
  }
  to {
    transform: scaleY(1);
    opacity: 1;
  }
}

.scroll-cue {
  position: absolute;
  left: var(--space-5);
  bottom: var(--space-6);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.scroll-cue-line {
  width: 32px;
  height: 1px;
  background: var(--color-text-muted);
}

@media (min-width: 800px) {
  .hero-inner {
    grid-template-columns: 1.2fr 1fr;
  }
}

/* ---------- 7. Sobre mí ---------- */
.bio {
  padding-block: var(--space-9);
  border-top: 1px solid var(--color-line);
}

.bio-inner {
  display: grid;
  gap: var(--space-7);
}

.bio-visual {
  aspect-ratio: 4 / 5;
  background: linear-gradient(155deg, var(--color-surface), var(--color-bg-alt));
  border: 1px solid var(--color-line);
  position: relative;
  overflow: hidden;
}

.bio-visual .citadel-bar {
  position: absolute;
  bottom: 0;
  width: 14%;
  animation: none;
  opacity: 0.85;
}

.bio-visual .citadel-bar:nth-child(1) {
  left: 4%;
  height: 40%;
}
.bio-visual .citadel-bar:nth-child(2) {
  left: 22%;
  height: 70%;
}
.bio-visual .citadel-bar:nth-child(3) {
  left: 40%;
  height: 52%;
}
.bio-visual .citadel-bar:nth-child(4) {
  left: 58%;
  height: 88%;
}
.bio-visual .citadel-bar:nth-child(5) {
  left: 76%;
  height: 60%;
}

.bio-content h2 {
  margin-bottom: var(--space-5);
}

.bio-content p + p {
  margin-top: var(--space-4);
}

.bio-facts {
  margin-top: var(--space-6);
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-5);
  display: grid;
  gap: var(--space-4);
}

.bio-facts li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--fs-sm);
  border-bottom: 1px solid var(--color-line);
  padding-bottom: var(--space-4);
}

.bio-facts li span:first-child {
  color: var(--color-text-muted);
}

.bio-facts li span:last-child {
  color: var(--color-text);
  text-align: right;
}

@media (min-width: 800px) {
  .bio-inner {
    grid-template-columns: 0.8fr 1fr;
    align-items: center;
  }
}

/* ---------- 8. Discografía / álbumes ---------- */
.discography {
  padding-block: var(--space-9);
  border-top: 1px solid var(--color-line);
}

.section-heading {
  max-width: 60ch;
  margin-bottom: var(--space-7);
}

.section-heading p {
  margin-top: var(--space-4);
}

.album-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.album-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--space-5);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-accent);
  padding: var(--space-6);
}

.album-list li:nth-child(2) .album-card {
  border-top-color: var(--tint-2);
}

.album-list li:nth-child(3) .album-card {
  border-top-color: var(--tint-3);
}

.album-card-head {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.album-year {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  color: var(--color-text-muted);
}

.album-title {
  font-size: var(--fs-lg);
}

.album-status {
  font-size: var(--fs-xs);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--border-radius-pill);
  padding: var(--space-1) var(--space-4);
}

.album-blurb {
  margin-top: var(--space-4);
  font-size: var(--fs-sm);
}

.genre-tags {
  margin-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.genre-tags li {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  border: 1px solid var(--color-line);
  border-radius: var(--border-radius-pill);
  padding: var(--space-2) var(--space-4);
}

.play-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.play-btn:hover {
  background: var(--color-accent);
  color: #14151a;
}

.play-btn svg {
  width: 18px;
  height: 18px;
}

.play-btn.is-playing {
  background: var(--color-accent);
  color: #14151a;
}

@media (min-width: 700px) {
  .album-card-head {
    gap: var(--space-5);
  }
}

/* ---------- 9. Contacto ---------- */
.contact {
  padding-block: var(--space-9);
  border-top: 1px solid var(--color-line);
}

.contact-inner {
  display: grid;
  gap: var(--space-7);
}

.contact h2 {
  max-width: 20ch;
}

.contact-intro {
  margin-top: var(--space-4);
  font-size: var(--fs-md);
  color: var(--color-text);
}

.social-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}

@media (min-width: 480px) {
  .social-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.social-link {
  background: var(--color-bg-alt);
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.social-link:hover {
  background: var(--color-surface);
  color: var(--color-accent);
}

.social-link-name {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 600;
}

.social-link-handle {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

@media (min-width: 800px) {
  .contact-inner {
    grid-template-columns: 0.8fr 1fr;
  }
}

/* ---------- 10. Pie de página ---------- */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding-block: var(--space-6);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

@media (min-width: 700px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ---------- 11. Reproductor ---------- */
.player {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 60;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-line);
  transform: translateY(100%);
  transition: transform 0.3s var(--ease);
}

.player.is-visible {
  transform: translateY(0);
}

.player-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: var(--space-4) var(--space-5);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--space-4);
}

.player-info {
  min-width: 0;
}

.player-track-title {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-track-album {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.player-status {
  font-size: var(--fs-xs);
  color: var(--color-accent);
}

.player-controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.player-controls button {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

.player-controls button svg {
  width: 16px;
  height: 16px;
}

#playPauseBtn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
}

.player-progress {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.player-progress input[type="range"] {
  flex: 1;
  accent-color: var(--color-accent);
}

.player-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

@media (min-width: 700px) {
  .player-inner {
    grid-template-columns: auto 1fr auto auto;
    gap: var(--space-6);
  }

  .player-progress {
    grid-column: auto;
    width: 280px;
  }
}

/* ---------- 12. Utilidades / accesibilidad ---------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .citadel-bar,
  .site-header,
  .nav-list,
  .player,
  .play-btn,
  .btn,
  .social-link {
    animation: none !important;
    transition: none !important;
  }

  .citadel-bar {
    transform: scaleY(1);
    opacity: 1;
  }
}