/* ═══════════════════════════════════════════════════
   BRUTALIST DESIGN SYSTEM - RadioPB
   Clean, Bold, High Contrast
═══════════════════════════════════════════════════ */

:root {
  /* New Color Palette */
  --orange: #EE6908;      /* Naranja vibrante */
  --brown: #83371D;       /* Café/Marrón */
  --gray-brown: #4B332E;  /* Gris café */
  --dark: #0B1014;        /* Negro azulado oscuro */
  --slate: #2E3E4B;       /* Azul grisáceo */
  --powder: #BBD3EB;      /* Azul claro polvo */
  
  /* System colors */
  --black: #0B1014;
  --white: #FAFAFA;
  --gray-light: #E5E5E5;
  --gray: #999;
  --gray-dark: #666;
  
  /* Accent mappings for easy use */
  --primary: var(--orange);
  --secondary: var(--brown);
  --tertiary: var(--slate);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--white);
  color: var(--black);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--primary);
  color: var(--white);
}

/* ═══════════════════════════════════════════════════
   MENU
═══════════════════════════════════════════════════ */
.menu-btn {
  position: fixed;
  top: 2rem;
  left: 2rem;
  z-index: 9999;
  width: 56px;
  height: 56px;
  background: var(--black);
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.menu-btn:hover {
  background: var(--primary);
}

.menu-line {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all .3s;
}

.menu-btn.open .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-btn.open .menu-line:nth-child(2) {
  opacity: 0;
}

.menu-btn.open .menu-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: var(--primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s;
}

.menu-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.menu-nav {
  list-style: none;
  text-align: center;
}

.menu-nav li {
  margin: 1.5rem 0;
}

.menu-nav a {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -.02em;
  transition: opacity .2s;
}

.menu-nav a:hover {
  opacity: .6;
}

/* ═══════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  background: var(--black);
  color: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
}

.hero-label {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 2rem;
}

.hero-title {
  font-size: clamp(4rem, 12vw, 10rem);
  font-weight: 900;
  line-height: .9;
  letter-spacing: -.04em;
  margin-bottom: 2rem;
}

.hero-title em {
  font-style: italic;
  color: var(--primary);
}

.hero-desc {
  font-size: clamp(1.2rem, 2.5vw, 2rem);
  font-weight: 300;
  max-width: 800px;
  margin-bottom: 3rem;
}

.hero-cta {
  display: inline-block;
  padding: 1.2rem 3rem;
  background: var(--primary);
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all .3s;
}

.hero-cta:hover {
  background: var(--secondary);
  transform: translateY(-4px);
}

/* ═══════════════════════════════════════════════════
   SECTION BASE
═══════════════════════════════════════════════════ */
.section {
  min-height: 100vh;
  padding: 6rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.section-white {
  background: var(--white);
  color: var(--black);
}

.section-gray {
  background: var(--gray-light);
  color: var(--black);
}

.section-terra {
  background: var(--primary);
  color: var(--white);
}

.section-black {
  background: var(--black);
  color: var(--white);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  max-width: 800px;
}

.section-number {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 1rem;
}

.section-black .section-number,
.section-terra .section-number {
  color: rgba(255,255,255,.6);
}

.section-title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.03em;
  margin-bottom: 1.5rem;
}

.section-subtitle {
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 300;
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
}

/* ═══════════════════════════════════════════════════
   STREAMING SECTION
═══════════════════════════════════════════════════ */
.streaming-wrapper {
  width: 100%;
  max-width: 1000px;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Big Audio Button */
.audio-btn {
  width: 100%;
  background: var(--black);
  color: var(--white);
  border: 4px solid var(--black);
  padding: 3rem;
  display: grid;
  grid-template-columns: 100px 1fr 80px;
  align-items: center;
  gap: 3rem;
  cursor: pointer;
  transition: all .3s;
}

.audio-btn:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0,0,0,.25);
}

.audio-btn.active {
  background: var(--primary);
  border-color: var(--primary);
}

.audio-icon-wrap {
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.audio-icon {
  font-size: 4rem;
}

.audio-btn.active .audio-icon {
  display: none;
}

.audio-wave {
  display: none;
  gap: 8px;
  align-items: flex-end;
  height: 60px;
}

.audio-btn.active .audio-wave {
  display: flex;
}

.wave-bar {
  width: 8px;
  background: var(--white);
  border-radius: 4px;
  animation: wave 1s ease-in-out infinite;
}

.wave-bar:nth-child(1) { animation-delay: 0s; height: 20px; }
.wave-bar:nth-child(2) { animation-delay: .1s; height: 40px; }
.wave-bar:nth-child(3) { animation-delay: .2s; height: 60px; }
.wave-bar:nth-child(4) { animation-delay: .3s; height: 40px; }
.wave-bar:nth-child(5) { animation-delay: .4s; height: 20px; }

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

.audio-content {
  text-align: left;
}

.audio-label {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: .8rem;
}

.audio-btn.active .audio-label {
  color: rgba(255,255,255,.7);
}

.audio-title {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -.02em;
  margin-bottom: .5rem;
  line-height: 1;
}

.audio-status {
  font-size: 1rem;
  font-weight: 500;
  color: var(--powder);
}

.audio-btn.active .audio-status {
  color: rgba(255,255,255,.9);
}

.audio-play {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
}

/* Video Toggle */
.video-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 2.5rem 3rem;
  background: var(--black);
  color: var(--white);
  border: 4px solid var(--black);
  cursor: pointer;
  transition: all .3s;
}

.video-toggle:hover {
  background: var(--dark);
}

.video-checkbox {
  display: none;
}

.switch {
  width: 70px;
  height: 36px;
  background: var(--gray-dark);
  position: relative;
  flex-shrink: 0;
}

.switch::before {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 30px;
  height: 30px;
  background: var(--white);
  transition: all .3s;
}

.video-checkbox:checked + .video-toggle .switch {
  background: var(--primary);
}

.video-checkbox:checked + .video-toggle .switch::before {
  transform: translateX(34px);
}

.video-text {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.video-icon {
  font-size: 2.5rem;
}

.video-label {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -.01em;
}

/* Video Player */
.video-player {
  width: 100%;
  background: var(--white);
  border: 4px solid var(--black);
  display: none;
}

.video-player.active {
  display: block;
}

.video-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  background: var(--black);
  color: var(--white);
}

.video-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.live-badge {
  padding: .4rem .9rem;
  background: #DC2626;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
}

.video-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.close-btn {
  width: 40px;
  height: 40px;
  background: transparent;
  border: 2px solid var(--white);
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}

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

.video-embed {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: var(--black);
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ═══════════════════════════════════════════════════
   LIVE CHAT - Brutalist Design
═══════════════════════════════════════════════════ */
.chat-container {
  width: 100%;
  background: var(--white);
  border: 4px solid var(--black);
  display: flex;
  flex-direction: column;
  height: 600px;
  max-height: 80vh;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  background: var(--black);
  color: var(--white);
  border-bottom: 4px solid var(--primary);
}

.chat-title {
  display: flex;
  align-items: center;
  gap: .8rem;
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.chat-icon {
  font-size: 1.5rem;
}

.chat-online {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--powder);
}

.online-dot {
  width: 8px;
  height: 8px;
  background: #22C55E;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: .5; }
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  background: var(--powder);
}

.chat-messages::-webkit-scrollbar {
  width: 12px;
}

.chat-messages::-webkit-scrollbar-track {
  background: var(--dark);
}

.chat-messages::-webkit-scrollbar-thumb {
  background: var(--primary);
  border: 2px solid var(--dark);
}

.chat-msg {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  animation: msgSlide .3s ease;
}

@keyframes msgSlide {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.chat-msg.system {
  background: var(--primary);
  color: var(--white);
  padding: 1rem 1.5rem;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  border: none;
}

.msg-icon {
  font-size: 1.2rem;
  margin-right: .5rem;
}

.msg-text {
  line-height: 1.5;
}

.msg-avatar {
  width: 42px;
  height: 42px;
  border: 3px solid var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  font-weight: 900;
  color: var(--white);
  flex-shrink: 0;
  background: var(--slate);
}

.msg-content {
  flex: 1;
}

.msg-name {
  font-size: .7rem;
  font-weight: 900;
  color: var(--dark);
  margin-bottom: .5rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.chat-msg .msg-text {
  font-size: .95rem;
  line-height: 1.6;
  color: var(--dark);
  background: var(--white);
  padding: 1rem 1.2rem;
  border: 3px solid var(--black);
  font-weight: 500;
}

.chat-msg.own {
  flex-direction: row-reverse;
}

.chat-msg.own .msg-avatar {
  background: var(--primary);
  border-color: var(--dark);
}

.chat-msg.own .msg-content {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.chat-msg.own .msg-name {
  text-align: right;
  color: var(--primary);
}

.chat-msg.own .msg-text {
  background: var(--dark);
  color: var(--white);
  border-color: var(--primary);
}

.chat-input-wrap {
  display: flex;
  align-items: stretch;
  padding: 1.5rem;
  background: var(--dark);
  border-top: 4px solid var(--primary);
  gap: 0;
}

/* INPUT NOMBRE */
.chat-name {
  width: 130px;
  padding: 1rem;
  border: 3px solid var(--white);
  border-right: none;
  background: var(--white);
  font-family: 'Inter', sans-serif;
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--dark);
  outline: none;
  transition: .2s;
}

.chat-name::placeholder {
  color: var(--gray);
  font-weight: 600;
}

.chat-name:focus {
  border-color: var(--secondary);
  z-index: 2;
}

/* INPUT MENSAJE */
.chat-input {
  flex: 1;
  padding: 1rem 1.2rem;
  border: 3px solid var(--white);
  border-left: none;
  border-right: none;
  background: var(--white);
  font-family: 'Inter', sans-serif;
  font-size: .9rem;
  font-weight: 600;
  color: var(--dark);
  outline: none;
  transition: .2s;
}

.chat-input:focus {
  border-color: var(--primary);
  z-index: 2;
}

/* BOTÓN */
.chat-send {
  padding: 0 1.3rem;
  border: 3px solid var(--white);
  border-left: none;
  background: var(--primary);
  color: var(--white);
  font-weight: 800;
  font-size: 1rem;
  cursor: pointer;
  transition: .2s;
}

.chat-send:hover {
  background: var(--secondary);
}

.chat-send:active {
  transform: scale(0.95);
}

@media (max-width: 480px) {

  .chat-input-wrap {
    padding: 0; /* quitamos padding lateral */
    width: 100%;
  }

  .chat-name {
    width: 30%;
    min-width: 75px;
    font-size: .75rem;
  }

  .chat-input {
    font-size: .8rem;
  }

  .chat-send {
    padding: 0 1rem;
  }

}

@media (max-width: 480px) {

  .chat-name {
    width: 35%;
    min-width: 70px;
  }

  .chat-send {
    padding: 0 .8rem;
  }
}

/* ═══════════════════════════════════════════════════
   PROGRAMS HORIZONTAL SCROLL
═══════════════════════════════════════════════════ */
.programs-scroll {
  width: 100%;
  overflow-x: auto;
  padding: 0 0 2rem;
  scrollbar-width: none;
}

.programs-scroll::-webkit-scrollbar {
  display: none;
}

.programs-container {
  display: flex;
  gap: 2rem;
  padding: 0 2rem;
  min-width: min-content;
}

.program-card {
  flex: 0 0 380px;
  background: var(--white);
  border: 4px solid var(--black);
  padding: 2.5rem;
  transition: all .3s;
}

.program-card:hover {
  transform: translateY(-8px);
}

.program-number {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.program-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -.01em;
}

.program-time {
  font-size: .85rem;
  font-weight: 700;
  color: var(--gray-dark);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.program-desc {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-dark);
}

/* ═══════════════════════════════════════════════════
   STATS
═══════════════════════════════════════════════════ */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 4rem;
  max-width: 1000px;
  width: 100%;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: clamp(4rem, 8vw, 6rem);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 1rem;
  letter-spacing: -.03em;
}

.stat-label {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* ═══════════════════════════════════════════════════
   DONATION
═══════════════════════════════════════════════════ */
.donation-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1000px;
  width: 100%;
}

.donation-card {
  background: var(--white);
  border: 4px solid var(--black);
}

.donation-header {
  background: var(--black);
  color: var(--white);
  padding: 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.donation-icon {
  font-size: 3rem;
}

.donation-title {
  font-size: 1.5rem;
  font-weight: 900;
}

.donation-body {
  padding: 2rem;
}

.donation-row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 2px solid var(--gray-light);
}

.donation-row:last-child {
  border-bottom: none;
}

.donation-label {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--gray);
}

.donation-value {
  font-size: 1rem;
  font-weight: 700;
}

.copy-btn {
  padding: .6rem 1.2rem;
  background: var(--black);
  color: var(--white);
  border: none;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  cursor: pointer;
  transition: all .2s;
}

.copy-btn:hover {
  background: var(--primary);
}

.copy-btn.copied {
  background: #16A34A;
}

/* ═══════════════════════════════════════════════════
   CTA BUTTONS
═══════════════════════════════════════════════════ */
.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-btn {
  display: inline-block;
  padding: 1.2rem 3rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all .3s;
}

.cta-primary {
  background: var(--white);
  color: var(--primary);
  border: 4px solid var(--white);
}

.cta-primary:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.cta-secondary {
  background: transparent;
  color: var(--white);
  border: 4px solid var(--white);
}

.cta-secondary:hover {
  background: var(--white);
  color: var(--primary);
}

/* ═══════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════ */
footer {
  background: var(--black);
  color: var(--white);
  padding: 4rem 2rem 2rem;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.footer-tagline {
  font-size: 1rem;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.6;
}

.footer-title {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: .8rem;
}

.footer-links a {
  font-size: .95rem;
  color: var(--gray);
  text-decoration: none;
  transition: color .2s;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 2rem;
  text-align: center;
  font-size: .85rem;
  color: var(--gray);
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .donation-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .menu-btn {
    top: 1.5rem;
    left: 1.5rem;
  }
  
  .audio-btn {
    grid-template-columns: 1fr;
    padding: 2rem;
    text-align: center;
    gap: 1.5rem;
  }
  
  .audio-icon-wrap {
    margin: 0 auto;
  }
  
  .audio-content {
    text-align: center;
  }
  
  .audio-title {
    font-size: 2rem;
  }
  
  .audio-play {
    position: absolute;
    top: 2rem;
    right: 2rem;
  }
  
  .video-toggle {
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
  }
  
  .program-card {
    flex: 0 0 300px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .donation-row {
    grid-template-columns: 1fr;
    gap: .5rem;
  }
  
  .copy-btn {
    width: 100%;
  }
  
  .chat-container {
    height: 500px;
  }
  
  .chat-input-wrap {
    padding: 1rem 1.5rem;
  }
  
  .chat-send {
    width: 50px;
  }
}