/*
==================================================
PROJECTS VIDEO SECTION — SIDV THEME
==================================================
*/

:root {
  --sidv-yt-red: #FF0000;
  --sidv-yt-red-hover: #CC0000;
  --sidv-yt-red-dark: #990000;
  --sidv-yt-red-glow: rgba(255, 0, 0, 0.35);
  --sidv-yt-red-soft: #FEE2E2;
  --sidv-slate-900: #0F172A;
  --sidv-slate-600: #64748B;
  --sidv-slate-100: #F1F5F9;
  --sidv-transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --sidv-transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

.sidv-projects-video {
  padding: 6rem 0;
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  overflow: hidden;
  position: relative;
}

/*
==================================================
HEADER
==================================================
*/

.sidv-projects-video__header {
  max-width: 760px;
  margin: 0 auto 4.5rem;
  text-align: center;
}

.sidv-projects-video__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  background: var(--sidv-yt-red-soft);
  color: var(--sidv-yt-red-hover);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 0, 0, 0.15);
  margin-bottom: 1rem;
}

.sidv-projects-video__eyebrow::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--sidv-yt-red);
  box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.2);
}

.sidv-projects-video__header h2 {
  margin: 0.8rem 0 1.2rem;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  color: var(--sidv-slate-900);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.sidv-projects-video__header p {
  color: var(--sidv-slate-600);
  font-size: 1.05rem;
  line-height: 1.8;
  margin: 0;
}

/*
==================================================
FEATURED VIDEO (DESTACADO)
==================================================
*/

.sidv-featured-video {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
  margin-bottom: 5rem;
  background: #FFFFFF;
  border-radius: 28px;
  padding: 1.5rem;
  border: 1px solid #E2E8F0;
  box-shadow: 0 20px 50px -10px rgba(15, 23, 42, 0.06);
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.sidv-featured-video:hover {
  border-color: rgba(255, 0, 0, 0.3);
  box-shadow: 0 30px 60px -12px rgba(255, 0, 0, 0.12);
}

.sidv-featured-video__media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 20px;
  background: #0F172A;
  cursor: pointer;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.2);
}

.sidv-featured-video__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--sidv-transition-smooth), filter 0.6s ease;
}

.sidv-featured-video:hover .sidv-featured-video__media img {
  transform: scale(1.06);
  filter: brightness(0.92);
}

.sidv-featured-video__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.1) 0%, rgba(15, 23, 42, 0.55) 100%);
  pointer-events: none;
  transition: opacity 0.4s ease;
}

/* Botón de reproducción con efecto de pulso estilo YouTube */
.sidv-featured-video__play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 88px;
  height: 88px;
  border: none;
  border-radius: 50%;
  background: var(--sidv-yt-red);
  color: #FFFFFF;
  cursor: pointer;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s var(--sidv-transition-bounce), background-color 0.3s ease, box-shadow 0.4s ease;
  box-shadow: 0 15px 35px var(--sidv-yt-red-glow);
}

.sidv-featured-video__play svg,
.sidv-featured-video__play::before {
  transition: transform 0.3s ease;
}

/* Triángulo de Play por CSS si no se utiliza SVG interno */
.sidv-featured-video__play:empty::before {
  content: "";
  display: block;
  width: 0;
  height: 0;
  margin-left: 5px;
  border-style: solid;
  border-width: 14px 0 14px 22px;
  border-color: transparent transparent transparent #FFFFFF;
}

.sidv-featured-video:hover .sidv-featured-video__play {
  transform: translate(-50%, -50%) scale(1.12);
  background: var(--sidv-yt-red-hover);
  box-shadow: 0 20px 45px rgba(255, 0, 0, 0.5);
  animation: yt-pulse 1.8s infinite;
}

/*
==================================================
FEATURED CONTENT
==================================================
*/

.sidv-featured-video__content {
  padding-right: 1.5rem;
}

.sidv-featured-video__category {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 1rem;
  border-radius: 8px;
  background: #EFF6FF;
  color: #2563EB;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.sidv-featured-video__content h3 {
  margin: 0 0 1rem;
  color: var(--sidv-slate-900);
  font-size: 2rem;
  line-height: 1.25;
  font-weight: 800;
}

.sidv-featured-video__content p {
  margin: 0 0 1.75rem;
  color: var(--sidv-slate-600);
  line-height: 1.8;
  font-size: 1rem;
}

.sidv-featured-video__meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid #F1F5F9;
  font-size: 0.92rem;
}

.sidv-featured-video__meta span {
  color: var(--sidv-slate-600);
}

.sidv-featured-video__meta strong {
  color: var(--sidv-slate-900);
  font-weight: 700;
}

/*
==================================================
GRID DE TARJETAS DE VIDEO
==================================================
*/

.sidv-projects-video__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}

/*
==================================================
TARJETA DE VIDEO (CARD)
==================================================
*/

.sidv-video-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 20px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.4s var(--sidv-transition-smooth), border-color 0.3s ease, box-shadow 0.4s ease, opacity 0.5s ease;
  display: flex;
  flex-direction: column;
}

/* Estado de animación vía script.js (IntersectionObserver) */
.sidv-video-card {
  opacity: 0;
  transform: translateY(30px);
}

.sidv-video-card.is-visible,
.sidv-projects-video.is-visible .sidv-video-card {
  opacity: 1;
  transform: translateY(0);
}

.sidv-video-card:hover {
  transform: translateY(-8px);
  border-color: var(--sidv-yt-red);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08), 0 0 0 1px var(--sidv-yt-red);
}

/*
==================================================
THUMBNAIL DE TARJETA
==================================================
*/

.sidv-video-card__thumbnail {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #0F172A;
}

.sidv-video-card__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--sidv-transition-smooth);
}

.sidv-video-card:hover .sidv-video-card__thumbnail img {
  transform: scale(1.08);
}

.sidv-video-card__thumbnail::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.25);
  transition: background 0.3s ease;
}

.sidv-video-card:hover .sidv-video-card__thumbnail::after {
  background: rgba(15, 23, 42, 0.1);
}

/* Botón Play secundario con acento YouTube Red */
.sidv-video-card__play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  width: 62px;
  height: 62px;
  border: none;
  border-radius: 50%;
  background: var(--sidv-yt-red);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  transition: transform 0.35s var(--sidv-transition-bounce), background-color 0.3s ease, box-shadow 0.35s ease;
  box-shadow: 0 10px 25px var(--sidv-yt-red-glow);
}

.sidv-video-card__play:empty::before {
  content: "";
  display: block;
  width: 0;
  height: 0;
  margin-left: 4px;
  border-style: solid;
  border-width: 10px 0 10px 16px;
  border-color: transparent transparent transparent #FFFFFF;
}

.sidv-video-card:hover .sidv-video-card__play {
  transform: translate(-50%, -50%) scale(1.1);
  background: var(--sidv-yt-red-hover);
  box-shadow: 0 14px 30px rgba(255, 0, 0, 0.45);
}

/*
==================================================
CARD CONTENT
==================================================
*/

.sidv-video-card__content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.sidv-video-card__category {
  display: inline-flex;
  align-self: flex-start;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: var(--sidv-yt-red-soft);
  color: var(--sidv-yt-red-hover);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.85rem;
}

.sidv-video-card h3 {
  margin: 0 0 0.75rem;
  color: var(--sidv-slate-900);
  font-size: 1.2rem;
  line-height: 1.35;
  font-weight: 700;
  transition: color 0.3s ease;
}

.sidv-video-card:hover h3 {
  color: var(--sidv-yt-red-hover);
}

.sidv-video-card__duration {
  margin-top: auto;
  color: var(--sidv-slate-600);
  font-size: 0.88rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/*
==================================================
FOOTER Y CTA
==================================================
*/

.sidv-projects-video__footer {
  display: flex;
  justify-content: center;
  margin-top: 4rem;
}

.sidv-projects-video__footer .sidv-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  max-width: 360px;
  min-height: 56px;
  padding: 0 2rem;
  border: none;
  border-radius: 14px;
  background: var(--sidv-yt-red);
  color: #FFFFFF;
  font-size: 0.98rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.3s var(--sidv-transition-bounce), background-color 0.3s ease, box-shadow 0.35s ease;
  box-shadow: 0 14px 30px var(--sidv-yt-red-glow);
  cursor: pointer;
}

.sidv-projects-video__footer .sidv-btn-primary:hover {
  background: var(--sidv-yt-red-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(255, 0, 0, 0.45);
}

.sidv-projects-video__footer .sidv-btn-primary:active {
  transform: translateY(-1px);
}

/*
==================================================
MODAL DE REPRODUCCIÓN (SINCRO CON SCRIPT.JS)
==================================================
*/

.sidv-video-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

/* Sincronizado con script.js (is-active y aria-hidden="false") */
.sidv-video-modal.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.sidv-video-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.sidv-video-modal__content {
  position: relative;
  width: min(1080px, 92vw);
  z-index: 2;
  transform: scale(0.92);
  transition: transform 0.35s var(--sidv-transition-bounce);
}

.sidv-video-modal.is-active .sidv-video-modal__content {
  transform: scale(1);
}

.sidv-video-modal__player {
  aspect-ratio: 16 / 9;
  background: #000000;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 35px 80px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.1);
  position: relative;
}

/* Reglas estrictas para el iframe inyectado por script.js */
.sidv-video-modal__player iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.sidv-video-modal__close {
  position: absolute;
  right: 0;
  top: -52px;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  cursor: pointer;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease, transform 0.3s ease;
  backdrop-filter: blur(4px);
}

.sidv-video-modal__close:hover {
  background: var(--sidv-yt-red);
  transform: rotate(90deg);
}

/*
==================================================
KEYFRAMES ANIMATION
==================================================
*/

@keyframes yt-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 0, 0, 0.6);
  }
  70% {
    box-shadow: 0 0 0 22px rgba(255, 0, 0, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 0, 0, 0);
  }
}

/*
==================================================
RESPONSIVE DESIGN
==================================================
*/

@media (max-width: 1100px) {
  .sidv-featured-video {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 1.25rem;
  }

  .sidv-featured-video__content {
    padding-right: 0;
  }

  .sidv-projects-video__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sidv-projects-video {
    padding: 4.5rem 0;
  }

  .sidv-projects-video__header {
    margin-bottom: 3rem;
  }

  .sidv-projects-video__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .sidv-featured-video__content h3 {
    font-size: 1.6rem;
  }

  .sidv-featured-video__play {
    width: 72px;
    height: 72px;
  }

  .sidv-video-modal__close {
    top: -46px;
    right: 4px;
    width: 38px;
    height: 38px;
  }
}