/* ==========================================================================
   SIFM RADIO — Main Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@300;400;500;600;700&family=Oswald:wght@400;500;600;700&display=swap');

/* --------------------------------------------------------------------------
   Cascade Layers
   -------------------------------------------------------------------------- */
@layer reset, base, tokens, components, utilities;

/* --------------------------------------------------------------------------
   1. Design Tokens
   -------------------------------------------------------------------------- */
@layer tokens {
  :root {
    /* Color palette — literal tokens */
    --clr-black:       #080810;
    --clr-bg-deep:     #0d0d1a;
    --clr-bg-base:     #111122;
    --clr-bg-surface:  #18182e;
    --clr-bg-card:     #1e1e38;
    --clr-bg-elevated: #252540;

    --clr-red-raw:     oklch(55% 0.22 25);
    --clr-red-vivid:   oklch(60% 0.25 20);
    --clr-red-muted:   oklch(45% 0.18 25);
    --clr-gold-raw:    oklch(78% 0.15 65);
    --clr-gold-vivid:  oklch(82% 0.18 68);

    --clr-white:       #f0f0ff;
    --clr-text-body:   #c8c8e0;
    --clr-text-muted:  #7070a0;
    --clr-text-faint:  #404060;

    /* Semantic tokens */
    --color-accent:    var(--clr-red-vivid);
    --color-accent-2:  var(--clr-gold-vivid);
    --color-bg:        var(--clr-bg-base);
    --color-surface:   var(--clr-bg-surface);
    --color-card:      var(--clr-bg-card);
    --color-elevated:  var(--clr-bg-elevated);
    --color-text:      var(--clr-white);
    --color-body:      var(--clr-text-body);
    --color-muted:     var(--clr-text-muted);

    /* Glass effect */
    --glass-bg:        rgba(30, 30, 60, 0.55);
    --glass-border:    rgba(255, 255, 255, 0.08);
    --glass-blur:      20px;

    /* Typography */
    --font-display:    'Bebas Neue', 'Impact', sans-serif;
    --font-heading:    'Oswald', 'Arial Narrow', sans-serif;
    --font-body:       'Inter', system-ui, sans-serif;

    /* Spacing scale */
    --space-1:  0.25rem;
    --space-2:  0.5rem;
    --space-3:  0.75rem;
    --space-4:  1rem;
    --space-6:  1.5rem;
    --space-8:  2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --radius-pill: 9999px;

    /* Shadows */
    --shadow-sm:  0 2px 8px rgba(0,0,0,0.4);
    --shadow-md:  0 4px 20px rgba(0,0,0,0.5);
    --shadow-lg:  0 8px 40px rgba(0,0,0,0.6);
    --shadow-red: 0 0 30px rgba(220, 38, 38, 0.25);
    --shadow-gold:0 0 20px rgba(245, 158, 11, 0.2);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Z-index scale */
    --z-base:   1;
    --z-header: 100;
    --z-player: 200;
    --z-modal:  300;

    /* Gradient interpolation */
    --in-oklab: ;
    --in-oklch: ;

    /* Player height */
    --player-h: 80px;

    color-scheme: dark;
  }

  @supports (background: linear-gradient(in oklab, white, black)) {
    :root {
      --in-oklab: in oklab;
      --in-oklch: in oklch;
    }
  }
}

/* --------------------------------------------------------------------------
   2. Reset
   -------------------------------------------------------------------------- */
@layer reset {
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    color-scheme: dark;
    scroll-behavior: smooth;
    scrollbar-color: var(--clr-bg-elevated) var(--clr-bg-deep);
    scrollbar-width: thin;
  }

  img, video, svg { display: block; max-inline-size: 100%; }

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

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

  ul, ol { list-style: none; }

  input, textarea, select { font: inherit; }

  h1, h2, h3, h4, h5, h6 { text-wrap: balance; }

  p { text-wrap: pretty; }
}

/* --------------------------------------------------------------------------
   3. Base
   -------------------------------------------------------------------------- */
@layer base {
  body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
    line-height: 1.6;
    min-block-size: 100dvh;
    /* Leave room for sticky player at bottom */
    padding-block-end: var(--player-h);
    overflow-x: hidden;
  }

  /* Noise texture overlay for depth */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
  }

  ::selection {
    background: var(--color-accent);
    color: #fff;
  }

  /* Section spacing */
  section {
    padding-block: var(--space-20);
  }

  .container {
    max-inline-size: 1280px;
    margin-inline: auto;
    padding-inline: var(--space-6);
  }

  .container--narrow {
    max-inline-size: 960px;
    margin-inline: auto;
    padding-inline: var(--space-6);
  }
}

/* --------------------------------------------------------------------------
   4. Typography
   -------------------------------------------------------------------------- */
@layer components {

  .text-display {
    font-family: var(--font-display);
    font-size: clamp(3rem, 2rem + 5vw, 8rem);
    line-height: 0.95;
    letter-spacing: 0.02em;
    text-transform: uppercase;
  }

  .text-headline {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 1.2rem + 2vw, 2.5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }

  .text-section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.2rem, 1rem + 1vw, 1.6rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
  }

  .text-body {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-body);
  }

  .text-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-muted);
  }

  /* Section header component */
  .section-header {
    text-align: center;
    margin-block-end: var(--space-12);
  }

  .section-header__eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-block-end: var(--space-3);
  }

  .section-header__eyebrow::before,
  .section-header__eyebrow::after {
    content: '';
    block-size: 1px;
    inline-size: 40px;
    background: linear-gradient(to right var(--in-oklab), transparent, var(--color-accent));
  }

  .section-header__eyebrow::after {
    background: linear-gradient(to left var(--in-oklab), transparent, var(--color-accent));
  }

  .section-header__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 1.5rem + 2vw, 3.5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text);
    line-height: 1.1;
  }

  .section-header__subtitle {
    font-size: 1rem;
    color: var(--color-body);
    margin-block-start: var(--space-4);
    max-inline-size: 60ch;
    margin-inline: auto;
  }

  /* --------------------
     Buttons
     -------------------- */

  .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
  }

  .btn--primary {
    background: linear-gradient(135deg var(--in-oklch), var(--clr-red-vivid), var(--clr-red-muted));
    color: #fff;
    box-shadow: var(--shadow-red);
  }

  .btn--primary:hover:not(:disabled) {
    translate: 0 -2px;
    box-shadow: 0 0 40px rgba(220, 38, 38, 0.4), var(--shadow-md);
  }

  .btn--ghost {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--glass-border);
  }

  .btn--ghost:hover:not(:disabled) {
    background: var(--glass-bg);
    border-color: var(--color-accent);
    color: var(--color-accent);
  }

  /* --------------------
     Glass Card
     -------------------- */

  .glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
  }

  /* --------------------
     Badge / Pill
     -------------------- */

  .badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }

  .badge--red {
    background: rgba(220, 38, 38, 0.2);
    color: oklch(75% 0.2 20);
    border: 1px solid rgba(220, 38, 38, 0.3);
  }

  .badge--gold {
    background: rgba(245, 158, 11, 0.15);
    color: var(--clr-gold-vivid);
    border: 1px solid rgba(245, 158, 11, 0.25);
  }

  .badge--live {
    background: rgba(220, 38, 38, 0.85);
    color: #fff;
    animation: pulse-badge 2s ease-in-out infinite;
  }

  @keyframes pulse-badge {
    0%   { box-shadow: 0 0 8px  rgba(220,38,38,0.5); background-position: 0% 50%; }
    50%  { box-shadow: 0 0 22px rgba(220,38,38,0.9); background-position: 100% 50%; }
    100% { box-shadow: 0 0 8px  rgba(220,38,38,0.5); background-position: 0% 50%; }
  }

  /* --------------------
     Dividers
     -------------------- */

  .divider {
    block-size: 1px;
    background: linear-gradient(to right var(--in-oklab), transparent, var(--glass-border) 30%, var(--glass-border) 70%, transparent);
    margin-block: var(--space-8);
    border: none;
  }

  /* --------------------
     Loading skeleton
     -------------------- */

  .skeleton {
    background: linear-gradient(90deg var(--in-oklab),
      var(--clr-bg-card) 25%,
      var(--clr-bg-elevated) 50%,
      var(--clr-bg-card) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
  }

  @keyframes shimmer {
    from { background-position: 200% center; }
    to   { background-position: -200% center; }
  }

  /* --------------------
     Scroll-driven reveal
     -------------------- */

  @media (prefers-reduced-motion: no-preference) {
    @supports ((animation-timeline: view()) and (animation-range: entry)) {
      @keyframes fade-up-in {
        from {
          opacity: 0;
          translate: 0 30px;
        }
      }

      .reveal {
        animation: fade-up-in 0.6s ease both;
        animation-timeline: view();
        animation-range: entry 0% entry 30%;
      }
    }
  }

  /* IntersectionObserver fallback */
  .reveal:not(.revealed) {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .reveal.revealed {
    opacity: 1;
    transform: none;
  }

  @supports ((animation-timeline: view()) and (animation-range: entry)) {
    @media (prefers-reduced-motion: no-preference) {
      .reveal {
        opacity: revert;
        transform: revert;
        transition: none;
      }
    }
  }
}

/* --------------------------------------------------------------------------
   5. Navigation
   -------------------------------------------------------------------------- */
@layer components {

  .navbar {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    z-index: var(--z-header);
    transition: background var(--transition-slow), box-shadow var(--transition-slow);
  }

  .navbar.scrolled {
    background: rgba(13, 13, 26, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 var(--glass-border), var(--shadow-lg);
  }

  .navbar__inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    padding: var(--space-4) var(--space-6);
    max-inline-size: 1280px;
    margin-inline: auto;
  }

  .navbar__logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
  }

  .navbar__logo-img {
    height: 48px;
    width: auto;
    border-radius: 6px;
    object-fit: cover;
    object-position: left center;
  }

  .navbar__logo-text {
    font-family: var(--font-display);
    font-size: 1.8rem;
    letter-spacing: 0.04em;
    line-height: 1;
    background: linear-gradient(135deg var(--in-oklch), var(--clr-red-vivid), var(--clr-gold-vivid));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
  }

  .navbar__nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
  }

  .navbar__link {
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-body);
    transition: color var(--transition-fast), background var(--transition-fast);
  }

  .navbar__link:hover,
  .navbar__link.active {
    color: var(--color-text);
    background: rgba(255,255,255,0.06);
  }

  .navbar__link.active {
    color: var(--color-accent);
  }

  .navbar__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    background: linear-gradient(135deg, #ff3333, #dc2626, #7f1d1d, #dc2626, #ff3333);
    background-size: 300% 300%;
    background-position: 0% 50%;
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    white-space: nowrap;
    box-shadow: 0 0 12px rgba(220,38,38,0.5);
    transition: translate var(--transition-base), box-shadow var(--transition-base);
    animation: pulse-badge 2.5s ease-in-out infinite;
    border: none;
    cursor: pointer;
  }

  .navbar__cta:hover {
    translate: 0 -1px;
    box-shadow: 0 0 25px rgba(220,38,38,0.5);
  }

  /* Mobile hamburger */
  .navbar__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    cursor: pointer;
  }

  .navbar__hamburger span {
    display: block;
    inline-size: 24px;
    block-size: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-fast);
  }

  .navbar__hamburger.open span:nth-child(1) {
    rotate: 45deg;
    translate: 0 7px;
  }

  .navbar__hamburger.open span:nth-child(2) {
    opacity: 0;
    scale: 0;
  }

  .navbar__hamburger.open span:nth-child(3) {
    rotate: -45deg;
    translate: 0 -7px;
  }

  @media (max-width: 768px) {
    .navbar__hamburger { display: flex; }

    .navbar__nav {
      position: fixed;
      inset-block-start: 0;
      inset-inline-start: 0;
      inline-size: 100%;
      block-size: 100dvh;
      background: rgba(8, 8, 16, 0.97);
      flex-direction: column;
      justify-content: center;
      gap: var(--space-4);
      translate: -100% 0;
      transition: translate var(--transition-slow);
      z-index: var(--z-modal);
    }

    .navbar__nav.open {
      translate: 0 0;
    }

    .navbar__link {
      font-size: 1.5rem;
    }

    .navbar__cta { display: none; }
  }
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
@layer components {

  .hero {
    position: relative;
    min-block-size: 100dvh;
    display: grid;
    place-items: center;
    overflow: hidden;
    padding-block-start: 80px;
  }

  /* Animated gradient background */
  .hero__bg {
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse 80% 60% at 50% 0%, rgba(180,0,0,0.2) 0%, transparent 60%),
      radial-gradient(ellipse 60% 40% at 80% 80%, rgba(180,50,0,0.12) 0%, transparent 50%),
      linear-gradient(180deg var(--in-oklab), var(--clr-black) 0%, var(--clr-bg-deep) 100%);
    z-index: 0;
  }

  /* SIFM Logo in hero */
  .hero__logo-img {
    display: block;
    margin: 0 auto var(--space-4);
    width: clamp(160px, 25vw, 280px);
    height: auto;
    border-radius: 12px;
    opacity: 0;
    animation: fade-in-up 0.9s ease 0.5s forwards;
    filter: drop-shadow(0 0 40px rgba(220,38,38,0.4));
  }

  /* Rock motifs background layer */
  .hero__rock-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
    color: #8b0000;
  }

  /* Guitarrista de fondo — imagen negra con trazos, screen blends negro→transparente */
  .hero__guitarist {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    mix-blend-mode: screen;
    opacity: 0.2;
    filter: sepia(1) hue-rotate(310deg) saturate(4) brightness(0.4);
    pointer-events: none;
  }
  /* Animated waveform bars */


  .hero__wave {
    position: absolute;
    inset-block-end: 0;
    inset-inline: 0;
    block-size: 120px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 3px;
    overflow: hidden;
    z-index: 1;
    opacity: 0.15;
  }

  .hero__wave-bar {
    flex-shrink: 0;
    inline-size: 4px;
    border-radius: 2px 2px 0 0;
    background: var(--color-accent);
    animation: wave-bar var(--wave-dur, 1.2s) ease-in-out infinite alternate;
    animation-delay: var(--wave-delay, 0s);
    block-size: var(--wave-h, 30%);
  }

  @keyframes wave-bar {
    from { block-size: var(--wave-h, 30%); }
    to   { block-size: calc(var(--wave-h, 30%) * 2.5); }
  }

  .hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--space-8) var(--space-6);
  }

  .hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    margin-block-end: var(--space-6);
    opacity: 0;
    animation: fade-in-down 0.8s ease 0.3s forwards;
  }

  .hero__eyebrow-dot {
    inline-size: 8px;
    block-size: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    animation: pulse-badge 2s ease infinite;
  }

  .hero__title {
    font-family: var(--font-display);
    font-size: clamp(4.5rem, 3rem + 8vw, 12rem);
    line-height: 0.92;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    background: linear-gradient(180deg var(--in-oklch),
      #fff 0%,
      rgba(255,255,255,0.85) 60%,
      rgba(200,200,220,0.6) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    opacity: 0;
    animation: fade-in-up 0.9s ease 0.5s forwards;
    margin-block-end: var(--space-4);
  }

  .hero__title span {
    display: block;
    background: linear-gradient(135deg var(--in-oklch), var(--clr-red-vivid), var(--clr-gold-vivid));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
  }

  .hero__subtitle {
    font-family: var(--font-heading);
    font-size: clamp(0.9rem, 0.7rem + 1vw, 1.2rem);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-body);
    margin-block-end: var(--space-8);
    opacity: 0;
    animation: fade-in-up 0.9s ease 0.7s forwards;
  }

  .hero__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    opacity: 0;
    animation: fade-in-up 0.9s ease 0.9s forwards;
  }

  .hero__scroll {
    position: absolute;
    inset-block-end: var(--space-8);
    inset-inline-start: 50%;
    translate: -50% 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-muted);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    z-index: 2;
    opacity: 0;
    animation: fade-in 1s ease 1.5s forwards;
  }

  .hero__scroll-line {
    inline-size: 1px;
    block-size: 48px;
    background: linear-gradient(to bottom var(--in-oklab), var(--color-accent), transparent);
    animation: scroll-line 1.5s ease infinite;
  }

  @keyframes scroll-line {
    0%  { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100%{ transform: scaleY(0); transform-origin: bottom; }
  }

  @keyframes fade-in-up {
    from { opacity: 0; translate: 0 20px; }
    to   { opacity: 1; translate: 0 0; }
  }

  @keyframes fade-in-down {
    from { opacity: 0; translate: 0 -10px; }
    to   { opacity: 1; translate: 0 0; }
  }

  @keyframes fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
  }

  /* Stats bar */
  .hero__stats {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    padding: var(--space-8) var(--space-6);
    flex-wrap: wrap;
  }

  .hero__stat {
    text-align: center;
  }

  .hero__stat-value {
    font-family: var(--font-display);
    font-size: clamp(2rem, 1.5rem + 2vw, 3.5rem);
    background: linear-gradient(135deg var(--in-oklch), var(--clr-red-vivid), var(--clr-gold-vivid));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    line-height: 1;
  }

  .hero__stat-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-muted);
    margin-block-start: var(--space-1);
  }
}

/* --------------------------------------------------------------------------
   7. News Section
   -------------------------------------------------------------------------- */
@layer components {

  .news-section {
    background: var(--color-surface);
    position: relative;
  }

  .news-section::before {
    content: '';
    position: absolute;
    inset-block-start: 0;
    inset-inline: 0;
    block-size: 1px;
    background: linear-gradient(to right var(--in-oklab), transparent, var(--glass-border), transparent);
  }

  .news-filters {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-block-end: var(--space-10);
  }

  .news-filter-btn {
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-pill);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-muted);
    background: transparent;
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base);
    cursor: pointer;
  }

  .news-filter-btn:hover,
  .news-filter-btn.active {
    background: var(--glass-bg);
    border-color: var(--color-accent);
    color: var(--color-accent);
  }

  .news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
    gap: var(--space-6);
  }

  .news-card {
    background: var(--color-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    cursor: pointer;
  }

  .news-card:hover {
    translate: 0 -4px;
    border-color: rgba(220, 38, 38, 0.3);
    box-shadow: var(--shadow-red), var(--shadow-lg);
  }

  .news-card__img-wrap {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-elevated);
  }

  .news-card__img {
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
    transition: scale var(--transition-slow);
  }

  .news-card:hover .news-card__img {
    scale: 1.05;
  }

  .news-card__source-badge {
    position: absolute;
    inset-block-start: var(--space-3);
    inset-inline-start: var(--space-3);
  }

  .news-card__body {
    padding: var(--space-5);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .news-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.72rem;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }

  .news-card__title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--color-text);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-card__excerpt {
    font-size: 0.85rem;
    color: var(--color-body);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
  }

  .news-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-5) var(--space-5);
  }

  .news-card__read-more {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: gap var(--transition-fast);
  }

  .news-card:hover .news-card__read-more {
    gap: var(--space-2);
  }

  /* Loading/error states */
  .news-loading,
  .news-error {
    text-align: center;
    padding: var(--space-16);
    color: var(--color-muted);
  }

  .news-load-more {
    text-align: center;
    margin-block-start: var(--space-10);
  }
}

/* --------------------------------------------------------------------------
   8. Schedule / Programación
   -------------------------------------------------------------------------- */
@layer components {

  .schedule-section {
    background: var(--clr-bg-deep);
    position: relative;
    overflow: hidden;
  }

  .schedule-section::before {
    content: '';
    position: absolute;
    inset-block-start: 50%;
    inset-inline-start: 50%;
    translate: -50% -50%;
    inline-size: 80%;
    block-size: 60%;
    background: radial-gradient(ellipse, rgba(180,0,0,0.07) 0%, transparent 70%);
    pointer-events: none;
  }

  .schedule-days {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-block-end: var(--space-8);
    overflow-x: auto;
    padding-block-end: var(--space-2);
    scrollbar-width: none;
  }

  .schedule-days::-webkit-scrollbar { display: none; }

  .schedule-day-btn {
    flex-shrink: 0;
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-pill);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-muted);
    background: var(--color-card);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base);
    cursor: pointer;
  }

  .schedule-day-btn:hover,
  .schedule-day-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
    box-shadow: var(--shadow-red);
  }

  .schedule-day-btn.today {
    border-color: var(--color-accent);
    color: var(--color-accent);
  }

  .schedule-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .schedule-slot {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: var(--space-4);
    align-items: start;
    padding: var(--space-4);
    border-radius: var(--radius-md);
    background: var(--color-card);
    border: 1px solid var(--glass-border);
    border-inline-start: 3px solid transparent;
    transition: all var(--transition-base);
  }

  .schedule-slot:hover {
    border-inline-start-color: var(--color-accent);
    background: var(--color-elevated);
  }

  .schedule-slot.active-now {
    border-inline-start-color: var(--color-accent);
    background: rgba(220,38,38,0.06);
    box-shadow: var(--shadow-red);
  }

  .schedule-slot__time {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-accent);
    padding-block-start: 2px;
  }

  .schedule-slot__info { display: flex; flex-direction: column; gap: var(--space-1); }

  .schedule-slot__name {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
  }

  .schedule-slot__host {
    font-size: 0.82rem;
    color: var(--color-muted);
  }

  /* Program cards grid */
  .programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
    gap: var(--space-5);
  }

  .program-card {
    background: var(--color-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
  }

  .program-card:hover {
    translate: 0 -4px;
    border-color: rgba(220,38,38,0.25);
    box-shadow: var(--shadow-red);
  }

  .program-card__img {
    aspect-ratio: 1;
    inline-size: 100%;
    object-fit: contain;
    object-position: center;
  }

  .program-card__body {
    padding: var(--space-4);
  }

  .program-card__name {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }

  .program-card__schedule {
    font-size: 0.78rem;
    color: var(--color-muted);
    margin-block-start: var(--space-1);
  }
}

/* --------------------------------------------------------------------------
   9. Messages / Buzón de Dedicatorias
   -------------------------------------------------------------------------- */
@layer components {

  .messages-section {
    background: var(--color-surface);
    position: relative;
    overflow: hidden;
  }

  .messages-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: start;
  }

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

  .messages-form-wrap {
    position: sticky;
    inset-block-start: calc(80px + var(--space-6));
  }

  .contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
  }

  .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
  }

  .form-group label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-muted);
  }

  .form-group input:not([type="checkbox"]),
  .form-group textarea,
  .form-group select {
    background: var(--color-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    color: var(--color-text);
    font-size: 0.9rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    resize: vertical;
  }

  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(220,38,38,0.15);
  }

  .form-group input:user-invalid,
  .form-group textarea:user-invalid {
    border-color: var(--clr-red-vivid);
  }

  .form-group input:user-valid,
  .form-group textarea:user-valid {
    border-color: oklch(60% 0.15 145);
  }

  .form-group textarea { min-block-size: 120px; }

  .form-success {
    display: none;
    text-align: center;
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    background: rgba(0, 200, 100, 0.08);
    border: 1px solid rgba(0, 200, 100, 0.2);
    color: oklch(75% 0.15 145);
  }

  /* Messages wall */
  .messages-wall {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
  }

  .message-card {
    background: var(--color-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-5);
    position: relative;
    overflow: hidden;
  }

  .message-card::before {
    content: '"';
    position: absolute;
    inset-block-start: -20px;
    inset-inline-end: var(--space-4);
    font-family: var(--font-display);
    font-size: 8rem;
    color: var(--color-accent);
    opacity: 0.07;
    line-height: 1;
    pointer-events: none;
  }

  .message-card__text {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--color-body);
    margin-block-end: var(--space-3);
  }

  .message-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .message-card__author {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent);
  }

  .message-card__date {
    font-size: 0.72rem;
    color: var(--color-muted);
  }

  .message-card__song {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.78rem;
    color: var(--color-muted);
    margin-block-start: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius-sm);
    border-inline-start: 2px solid var(--color-accent);
  }
}

/* --------------------------------------------------------------------------
   10. About Section
   -------------------------------------------------------------------------- */
@layer components {

  .about-section {
    background: var(--clr-bg-deep);
    position: relative;
  }

  .about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
  }

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

  .about-image-wrap {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 4 / 3;
  }

  .about-image-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg var(--in-oklab), transparent 60%, rgba(180,0,0,0.3));
  }

  .about-img {
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
  }

  .about-content { display: flex; flex-direction: column; gap: var(--space-6); }

  .about-content p { color: var(--color-body); line-height: 1.8; }

  .about-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
  }

  .about-team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr));
    gap: var(--space-5);
    margin-block-start: var(--space-8);
  }

  .team-card {
    text-align: center;
    padding: var(--space-6) var(--space-4);
    background: var(--color-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
  }

  .team-card:hover {
    translate: 0 -4px;
    border-color: rgba(220,38,38,0.25);
  }

  .team-card__avatar {
    inline-size: 72px;
    block-size: 72px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto var(--space-3);
    border: 2px solid var(--color-accent);
    filter: drop-shadow(var(--shadow-red));
  }

  .team-card__avatar-placeholder {
    inline-size: 72px;
    block-size: 72px;
    border-radius: 50%;
    background: var(--color-elevated);
    display: grid;
    place-items: center;
    margin: 0 auto var(--space-3);
    border: 2px solid var(--color-accent);
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-accent);
  }

  .team-card__name {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }

  .team-card__role {
    font-size: 0.78rem;
    color: var(--color-muted);
    margin-block-start: var(--space-1);
  }
}

/* --------------------------------------------------------------------------
   11. Footer
   -------------------------------------------------------------------------- */
@layer components {

  .footer {
    background: var(--clr-black);
    border-block-start: 1px solid var(--glass-border);
    padding-block: var(--space-16) var(--space-8);
  }

  .footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-block-end: var(--space-12);
  }

  @media (max-width: 900px) {
    .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  }

  @media (max-width: 480px) {
    .footer__grid { grid-template-columns: 1fr; gap: var(--space-6); }
  }

  .footer__brand-logo {
    font-family: var(--font-display);
    font-size: 2.5rem;
    letter-spacing: 0.04em;
    background: linear-gradient(135deg var(--in-oklch), var(--clr-red-vivid), var(--clr-gold-vivid));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    margin-block-end: var(--space-3);
  }

  .footer__brand-desc {
    font-size: 0.85rem;
    color: var(--color-muted);
    line-height: 1.7;
    margin-block-end: var(--space-5);
  }

  .footer__social {
    display: flex;
    gap: var(--space-3);
  }

  .footer__social-link {
    display: grid;
    place-items: center;
    inline-size: 38px;
    block-size: 38px;
    border-radius: 50%;
    background: var(--color-card);
    border: 1px solid var(--glass-border);
    color: var(--color-muted);
    font-size: 0.9rem;
    transition: all var(--transition-base);
  }

  .footer__social-link:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
    box-shadow: var(--shadow-red);
  }

  .footer__col-title {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text);
    margin-block-end: var(--space-8);
  }

  .footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .footer__link {
    font-size: 0.85rem;
    color: var(--color-muted);
    transition: color var(--transition-fast);
  }

  .footer__link:hover { color: var(--color-accent); }

  .footer__frequencies {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .footer__freq-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.85rem;
    color: var(--color-muted);
  }

  .footer__freq-value {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-accent);
  }

  .footer__bottom {
    border-block-start: 1px solid var(--glass-border);
    padding-block-start: var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
  }

  .footer__copyright {
    font-size: 0.78rem;
    color: var(--color-muted);
  }

  .footer__legal {
    display: flex;
    gap: var(--space-4);
  }

  .footer__legal-link {
    font-size: 0.78rem;
    color: var(--color-muted);
    transition: color var(--transition-fast);
  }

  .footer__legal-link:hover { color: var(--color-text); }
}

/* --------------------------------------------------------------------------
   12. Utility classes
   -------------------------------------------------------------------------- */
@layer utilities {
  .visually-hidden {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
  }

  .text-accent { color: var(--color-accent); }
  .text-gold { color: var(--clr-gold-vivid); }
  .text-muted { color: var(--color-muted); }
  .text-center { text-align: center; }

  .mt-auto { margin-block-start: auto; }
  .flex { display: flex; }
  .flex-center { display: flex; align-items: center; justify-content: center; }
  .gap-2 { gap: var(--space-2); }
  .gap-4 { gap: var(--space-4); }

  .hidden { display: none !important; }
}

/* --------------------------------------------------------------------------
   13. Page hero (inner pages)
   -------------------------------------------------------------------------- */
@layer components {
  .page-hero {
    text-align: center;
    padding-block: var(--space-20) var(--space-12);
    padding-block-start: calc(var(--space-20) + 70px); /* account for navbar */
  }

  /* Programs grid — responsive columns */
  .programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-6);
  }

  /* SPA pages — hidden by default, shown by router */
  .page[hidden] { display: none; }
  .page:not([hidden]) { display: block; }

  /* Error box in news */
  .news-error {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-12);
    color: var(--color-muted);
    font-size: 0.95rem;
  }

  /* Load more wrapper */
  .news-load-more {
    text-align: center;
    margin-block-start: var(--space-10);
  }

  /* Player live dot pulsing */
  .player-live-dot {
    display: inline-block;
    inline-size: 8px;
    block-size: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    animation: pulse-badge 2s ease-in-out infinite;
    flex-shrink: 0;
  }

  /* Smooth page transitions */
  .page:not([hidden]) {
    animation: page-in 0.25s ease both;
  }

  @keyframes page-in {
    from { opacity: 0; translate: 0 12px; }
    to   { opacity: 1; translate: 0 0; }
  }
}