/**
 * Encabezado FOTRIEM — estilo institucional negro y dorado (como imagen oficial)
 */
:root {
  --fotriem-site-header-h: clamp(72px, 10.5vh, 96px);
  --sh-black: #0a0a0a;
  --sh-gold: #d4af37;
  --sh-gold-light: #f0e0b8;
  --sh-gold-mid: #c9a962;
  --sh-gold-dark: #9a7b2e;
  --sh-flag-red: #e31837;
  --sh-flag-white: #ffffff;
  --sh-flag-blue: #003da5;
}

/* —— Contenedor fijo —— */
.fotriem-banner--site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1200;
  width: 100%;
  height: var(--fotriem-site-header-h);
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.35);
}

.fotriem-banner--site-header .site-header__frame {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sh-black);
}

/* Sin mezcla con el fondo claro de la página */
body.kiosk-theme-light .fotriem-banner--site-header .site-header__frame::after,
body.admin-theme-light .fotriem-banner--site-header .site-header__frame::after {
  display: none;
}

.fotriem-banner--site-header .site-header__frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 90% 80% at 50% 50%, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* Bordes dorados superior e inferior */
.site-header__rule {
  position: absolute;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 4;
  background: linear-gradient(
    90deg,
    var(--sh-flag-red) 0%,
    var(--sh-gold-light) 25%,
    var(--sh-gold) 50%,
    var(--sh-flag-blue) 75%,
    var(--sh-gold-light) 100%
  );
  background-size: 200% 100%;
  animation: banner-rule-flow 5s linear infinite;
  opacity: 1;
}

@keyframes banner-rule-flow {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.site-header__rule--top {
  top: 0;
}

.site-header__rule--bottom {
  bottom: 0;
}

.site-header__inner {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 2.4fr) minmax(0, 1.1fr);
  align-items: center;
  gap: clamp(0.5rem, 2vw, 1.5rem);
  width: min(100%, 1320px);
  padding: 0 clamp(0.75rem, 3vw, 2rem);
  height: 100%;
}

/* —— Bloques —— */
.site-header__block {
  min-width: 0;
  animation: site-header-fade-up 0.75s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.site-header__block--left {
  animation-delay: 0.05s;
}

.site-header__block--center {
  text-align: center;
  animation-delay: 0.15s;
  padding: 0;
  background: none;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
}

.site-header__block--right {
  text-align: right;
  animation-delay: 0.25s;
}

.site-header__gold-text {
  background: linear-gradient(180deg, var(--sh-gold-light) 0%, var(--sh-gold) 45%, var(--sh-gold-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.site-header__enr {
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  font-size: clamp(1.75rem, 5vw, 2.85rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.08em;
  background: linear-gradient(180deg, var(--sh-gold-light) 0%, var(--sh-gold) 50%, var(--sh-gold-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 2px 6px rgba(212, 175, 55, 0.35));
  animation: site-header-gold-glow 4s ease-in-out infinite;
}

.site-header__anniv {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.4rem, 1.8vw, 0.85rem);
  margin: 0;
}

.site-header__anniv-text {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(0.8rem, 2.3vw, 1.2rem);
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--sh-gold-mid);
  white-space: nowrap;
}

.site-header__anniv-line {
  flex: 1;
  max-width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--sh-gold));
  animation: site-header-line-grow 1.2s ease-out 0.3s both;
}

.site-header__block--center .site-header__anniv-line:last-child {
  background: linear-gradient(270deg, transparent, var(--sh-gold));
}

.site-header__editorial {
  margin: 0.2rem 0 0;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(0.58rem, 1.5vw, 0.88rem);
  font-style: italic;
  font-weight: 500;
  color: var(--sh-gold-mid);
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-header__facultad {
  display: block;
  font-family: var(--font-display, 'Outfit', sans-serif);
  font-size: clamp(0.42rem, 1vw, 0.58rem);
  font-weight: 600;
  letter-spacing: 0.32em;
  color: var(--sh-gold-mid);
  text-transform: uppercase;
}

.site-header__fotriem {
  display: block;
  font-family: var(--font-display, 'Outfit', sans-serif);
  font-size: clamp(1rem, 3vw, 1.5rem);
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1.05;
  background: linear-gradient(180deg, var(--sh-gold-light) 0%, var(--sh-gold) 55%, var(--sh-gold-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 1px 4px rgba(212, 175, 55, 0.3));
}

.site-header__fotriem--shine {
  background: linear-gradient(
    110deg,
    var(--sh-gold-dark) 0%,
    var(--sh-gold-light) 25%,
    #fff8e7 45%,
    var(--sh-gold-light) 55%,
    var(--sh-gold) 75%,
    var(--sh-gold-dark) 100%
  );
  background-size: 220% auto;
  -webkit-background-clip: text;
  background-clip: text;
  animation: fotriem-text-shimmer 3s ease-in-out infinite;
}

@keyframes fotriem-text-shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.site-header__ribbon {
  display: flex;
  justify-content: flex-end;
  gap: 0;
  width: clamp(50px, 13vw, 76px);
  height: 6px;
  margin: 0.14rem 0 0.1rem auto;
  border-radius: 2px;
  overflow: hidden;
  transform: skewX(-14deg);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
  animation: ribbon-glow 2.5s ease-in-out infinite;
}

@keyframes ribbon-glow {
  0%, 100% { box-shadow: 0 1px 6px rgba(0, 0, 0, 0.5); filter: brightness(1); }
  50% { box-shadow: 0 0 12px rgba(227, 24, 55, 0.45), 0 0 8px rgba(0, 61, 165, 0.35); filter: brightness(1.12); }
}

.site-header__ribbon i {
  flex: 1;
  display: block;
}

.site-header__ribbon-red {
  background: var(--sh-flag-red);
}

.site-header__ribbon-white {
  background: var(--sh-flag-white);
}

.site-header__ribbon-blue {
  background: var(--sh-flag-blue);
}

.site-header__years {
  font-family: var(--font-display, 'Outfit', sans-serif);
  font-size: clamp(0.52rem, 1.35vw, 0.72rem);
  font-weight: 700;
  color: var(--sh-gold-mid);
  letter-spacing: 0.03em;
}

.site-header__years strong {
  font-size: 1.45em;
  font-weight: 800;
  color: var(--sh-gold-light);
}

/* Ocultar líneas rojo/azul del diseño anterior */
.fotriem-banner__line--left,
.fotriem-banner__line--right {
  display: none;
}

/* —— Efectos sutiles (elegantes) —— */
.fotriem-banner {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.fotriem-banner__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 120% at 20% 50%, rgba(227, 24, 55, 0.12) 0%, transparent 55%),
    radial-gradient(ellipse 50% 120% at 80% 50%, rgba(0, 61, 165, 0.14) 0%, transparent 55%),
    radial-gradient(ellipse 60% 100% at 50% 50%, rgba(212, 175, 55, 0.18) 0%, transparent 65%);
  animation: banner-glow-pulse 3.5s ease-in-out infinite;
  pointer-events: none;
  z-index: 1;
}

/* Resplandor interior animado (institucional) */
.fotriem-banner__border-anim {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  box-shadow:
    inset 0 0 28px rgba(212, 175, 55, 0.12),
    inset 0 -2px 0 rgba(212, 175, 55, 0.35);
  animation: banner-inner-glow 3s ease-in-out infinite;
}

@keyframes banner-inner-glow {
  0%, 100% {
    box-shadow:
      inset 0 0 20px rgba(212, 175, 55, 0.1),
      inset 0 -2px 0 rgba(212, 175, 55, 0.3);
  }
  50% {
    box-shadow:
      inset 0 0 36px rgba(240, 224, 184, 0.22),
      inset 0 -2px 0 rgba(240, 224, 184, 0.55);
  }
}

.fotriem-banner__shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 45%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 0%,
    rgba(240, 224, 184, 0.08) 40%,
    rgba(255, 255, 255, 0.35) 50%,
    rgba(240, 224, 184, 0.08) 60%,
    transparent 100%
  );
  transform: skewX(-14deg);
  animation: banner-shine-sweep 3.5s ease-in-out infinite;
  pointer-events: none;
  z-index: 2;
}

.fotriem-banner__shine--alt {
  animation: banner-shine-sweep-alt 5s ease-in-out infinite;
  animation-delay: -1.8s;
  opacity: 0.7;
  width: 30%;
}

.fotriem-banner__sparkles {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}

.fotriem-banner__sparkles span {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--sh-gold-light);
  box-shadow: 0 0 6px var(--sh-gold);
  animation: banner-sparkle 2.5s ease-in-out infinite;
}

.fotriem-banner__sparkles span:nth-child(1) { top: 18%; left: 8%; animation-delay: 0s; }
.fotriem-banner__sparkles span:nth-child(2) { top: 35%; left: 22%; animation-delay: -0.4s; }
.fotriem-banner__sparkles span:nth-child(3) { top: 55%; left: 12%; animation-delay: -0.9s; }
.fotriem-banner__sparkles span:nth-child(4) { top: 25%; left: 48%; animation-delay: -1.2s; }
.fotriem-banner__sparkles span:nth-child(5) { top: 70%; left: 38%; animation-delay: -0.6s; }
.fotriem-banner__sparkles span:nth-child(6) { top: 40%; left: 72%; animation-delay: -1.5s; }
.fotriem-banner__sparkles span:nth-child(7) { top: 20%; left: 88%; animation-delay: -0.2s; }
.fotriem-banner__sparkles span:nth-child(8) { top: 62%; left: 82%; animation-delay: -1.8s; }
.fotriem-banner__sparkles span:nth-child(9) { top: 78%; left: 58%; animation-delay: -1s; }
.fotriem-banner__sparkles span:nth-child(10) { top: 48%; left: 92%; animation-delay: -2.1s; }

@keyframes banner-sparkle {
  0%, 100% { opacity: 0.2; transform: scale(0.6); }
  50% { opacity: 1; transform: scale(1.4); }
}

@keyframes site-header-fade-up {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes site-header-gold-glow {
  0%, 100% {
    filter: drop-shadow(0 2px 6px rgba(212, 175, 55, 0.25));
  }
  50% {
    filter: drop-shadow(0 2px 14px rgba(240, 224, 184, 0.45));
  }
}

@keyframes site-header-line-grow {
  from {
    transform: scaleX(0);
    opacity: 0;
  }
  to {
    transform: scaleX(1);
    opacity: 1;
  }
}

@keyframes banner-shine-sweep {
  0% { left: -100%; }
  100% { left: 130%; }
}

@keyframes banner-shine-sweep-alt {
  0% { left: 130%; }
  100% { left: -100%; }
}

@keyframes banner-glow-pulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

/* —— Layout páginas —— */
body.kiosk-page.has-site-banner .kiosk-app {
  padding-top: var(--fotriem-site-header-h);
  height: 100dvh;
  box-sizing: border-box;
}

body.kiosk-page.has-site-banner .kiosk-admin-link {
  top: calc(var(--fotriem-site-header-h) + 0.65rem);
}

body.admin-body.has-site-banner {
  padding-top: 0;
  min-height: 100dvh;
}

body.admin-body.has-site-banner .admin-sidebar-overlay {
  top: var(--fotriem-site-header-h);
  height: calc(100dvh - var(--fotriem-site-header-h));
}

@media (max-width: 991px) {
  body.admin-body.has-site-banner .admin-sidebar {
    top: var(--fotriem-site-header-h);
    bottom: 0;
    height: auto;
    max-height: calc(100dvh - var(--fotriem-site-header-h));
  }
}

body.login-page.has-site-banner {
  padding-top: var(--fotriem-site-header-h);
  box-sizing: border-box;
}

body.login-page.has-site-banner .login-page__body {
  min-height: calc(100dvh - var(--fotriem-site-header-h));
}

@media (max-width: 720px) {
  .site-header__inner {
    grid-template-columns: auto 1fr auto;
    gap: 0.4rem;
  }

  .site-header__editorial {
    display: none;
  }

  .site-header__facultad {
    letter-spacing: 0.14em;
  }
}

@media (max-width: 480px) {
  :root {
    --fotriem-site-header-h: clamp(64px, 13vw, 84px);
  }

  .site-header__anniv-line {
    max-width: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__block,
  .site-header__enr,
  .site-header__fotriem--shine,
  .site-header__ribbon,
  .fotriem-banner__shine,
  .fotriem-banner__shine--alt,
  .fotriem-banner__glow,
  .fotriem-banner__border-anim,
  .fotriem-banner__sparkles span,
  .site-header__rule,
  .site-header__anniv-line {
    animation: none !important;
  }
}