/* ============================================
   MediaEuroNews - Replica index.html
   Grafica avanzata + responsive
   ============================================ */

:root {
  --rosso: #c41e3a;
  --rosso-scuro: #8b0000;
  --rosso-glow: #ff2d4a;
  --nero: #0a0a0a;
  --nero-card: #141414;
  --grigio-scuro: #1a1a1a;
  --bianco: #f5f5f5;
  --grigio-testo: #b0b0b0;
  --font-title: 'Oswald', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-card-hover: 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(196, 30, 58, 0.4);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-padding: 1rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--nero);
  color: var(--bianco);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}

/* ----- Header ----- */
.header {
  background: linear-gradient(180deg, var(--rosso-scuro) 0%, var(--nero) 100%);
  padding: clamp(1rem, 3vw, 1.5rem) var(--container-padding);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 4px solid var(--rosso);
  box-shadow: 0 0 40px rgba(196, 30, 58, 0.3);
}

.header::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--rosso-glow), transparent);
  opacity: 0.8;
  animation: scan 3s ease-in-out infinite;
}

@keyframes scan {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.9; }
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  gap: 1rem;
}

.logo-text {
  font-family: var(--font-title);
  font-size: clamp(1.35rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bianco);
  text-shadow: 0 0 20px rgba(196, 30, 58, 0.6);
}

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

.header-admin-link {
  font-size: 0.9rem;
  color: var(--bianco);
  text-decoration: none;
  opacity: 0.9;
}

.header-admin-link:hover {
  opacity: 1;
  text-decoration: underline;
}

.live-badge {
  background: var(--rosso);
  color: white;
  padding: 0.4rem clamp(0.75rem, 2vw, 1rem);
  font-family: var(--font-title);
  font-size: clamp(0.75rem, 2vw, 0.9rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  animation: pulse 2s infinite;
  border-radius: 4px;
  white-space: nowrap;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(196, 30, 58, 0.5); }
  50% { opacity: 0.95; box-shadow: 0 0 20px 5px rgba(196, 30, 58, 0.3); }
}

/* ----- Hero ----- */
.hero {
  background: linear-gradient(135deg, var(--grigio-scuro) 0%, var(--nero) 50%);
  padding: clamp(2rem, 5vw, 3rem) var(--container-padding);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 50%, rgba(196, 30, 58, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 80% 50% at 80% 50%, rgba(196, 30, 58, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.hero__title {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.hero__desc {
  color: var(--grigio-testo);
  font-size: clamp(1rem, 2vw, 1.1rem);
}

/* ----- Griglia canali ----- */
.channels-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 2rem) var(--container-padding);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: clamp(1.25rem, 3vw, 2rem);
}

.channel-card {
  background: var(--nero-card);
  border: 1px solid rgba(196, 30, 58, 0.3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.channel-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--rosso);
}

.channel-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--rosso), var(--rosso-glow));
  z-index: 1;
}

.channel-image {
  width: 100%;
  height: clamp(180px, 35vw, 200px);
  object-fit: cover;
  display: block;
  background: var(--grigio-scuro);
  transition: transform var(--transition);
}

.channel-card:hover .channel-image {
  transform: scale(1.03);
}

.channel-content {
  padding: clamp(1.25rem, 3vw, 1.5rem);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.channel-tag {
  display: inline-block;
  background: var(--rosso);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.6rem;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  border-radius: 4px;
  width: fit-content;
}

.channel-title {
  font-family: var(--font-title);
  font-size: clamp(1.35rem, 2.5vw, 1.6rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--bianco);
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.channel-desc {
  color: var(--grigio-testo);
  font-size: clamp(0.9rem, 1.5vw, 0.95rem);
  line-height: 1.5;
  flex: 1;
}

.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  color: var(--rosso);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.2s, gap 0.2s;
}

.channel-link:hover {
  color: var(--rosso-glow);
  gap: 0.75rem;
}

.channel-link::after {
  content: '→';
  font-size: 1.1rem;
}

/* Varianti per tipo canale (stessa logica di index.html) */
.channel-card[data-channel="udine"] .channel-tag {
  background: linear-gradient(90deg, var(--rosso-scuro), var(--rosso));
}

.channel-card[data-channel="fuoco"] .channel-image {
  filter: saturate(1.1) contrast(1.05);
}

.channel-card[data-channel="squisito"] .channel-image {
  filter: saturate(1.05);
}

.channel-card[data-channel="stadio"] .channel-tag {
  background: linear-gradient(90deg, #1a472a, #2d5a3d);
}
.channel-card[data-channel="stadio"]::before {
  background: linear-gradient(90deg, #1a472a, #3d7a4d);
}

.channel-card[data-channel="carnia"] .channel-tag {
  background: linear-gradient(90deg, #5c4033, #8b6914);
}
.channel-card[data-channel="carnia"]::before {
  background: linear-gradient(90deg, #5c4033, #c9a227);
}

.channel-card[data-channel="europa"] .channel-tag {
  background: linear-gradient(90deg, #003366, #004080);
}
.channel-card[data-channel="europa"]::before {
  background: linear-gradient(90deg, #003366, #0066cc);
}

/* ----- Footer ----- */
.footer {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding: clamp(1.5rem, 4vw, 2rem) var(--container-padding);
  border-top: 1px solid rgba(196, 30, 58, 0.3);
  text-align: center;
  color: var(--grigio-testo);
  font-size: clamp(0.85rem, 2vw, 0.9rem);
}

.footer__brands {
  line-height: 1.6;
}

.footer__copy {
  margin-top: 0.5rem;
}

.footer span {
  color: var(--rosso);
  font-weight: 600;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
  }
  .channels-grid {
    grid-template-columns: 1fr;
    padding: 1.25rem 1rem;
  }
  .logo-text {
    letter-spacing: 0.08em;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 0.875rem;
  }
  .header__inner {
    flex-wrap: wrap;
  }
  .logo-text {
    font-size: 1.25rem;
    letter-spacing: 0.05em;
  }
  .channel-card {
    border-radius: var(--radius);
  }
  .channel-content {
    padding: 1.25rem;
  }
}

/* Touch: ridurre effetto hover “sticky” su dispositivi touch */
@media (hover: none) {
  .channel-card:hover {
    transform: none;
  }
  .channel-card:active {
    opacity: 0.95;
  }
  .channel-card:hover .channel-image {
    transform: none;
  }
}