/* ===== BASE ===== */
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(
    circle at 40% 20%,
    #0b3f5a 0%,
    #0a1117 70%
  );
  color: white;
  font-family: system-ui, -apple-system, sans-serif;
}

/* ===== GRID ===== */
.grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center; /* Esto es lo que centra la última fila */
  gap: 28px;
  padding: 40px;
  box-sizing: border-box;
  max-width: 1350px; /* Evita que se estiren a 4 columnas en pantallas gigantes */
  margin: 0 auto; /* Centra todo el bloque en tu pantalla */
  min-height: 100vh;
}

@media (max-width: 1024px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

/* ===== CARD ===== */
.card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;

  --card-accent: #888;

  display: flex;
  flex-direction: column;

  height: 320px;

  background: #0f141b;

  box-shadow: 
    0 10px 25px rgba(0,0,0,0.35);

  transition: 
    transform 0.3s ease,
    box-shadow 0.3s ease;

    width: calc(33.333% - 19px); /* Fuerza a que ocupen un tercio del espacio exacto */
  min-width: 310px; /* Si la pantalla es pequeña (celular/tablet), saltan a la siguiente línea */
}

/* ===== HOVER ===== */
.card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow:
    0 0 0 1.6px var(--card-accent),
    0 20px 45px rgba(0,0,0,0.5);
}

/* ===== CARD MEDIA ===== */
.card-media {
  position: relative;
  overflow: hidden;
  flex: 1;
  display: flex;
  min-height: 0;
}

.card-media video,
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.card:hover .card-media video,
.card:hover .card-media img {
  transform: scale(1.05);
}

/* ===== CARD INFO (GRADIENT INTEGRADO) ===== */
.card-info {
  position: absolute;
  bottom: 0;
  width: 100%;

  padding: 20px 18px;

  background: linear-gradient(
    to top,
    rgba(10,17,23,0.95) 0%,
    rgba(10,17,23,0.85) 20%,
    rgba(10,17,23,0) 100%
  );
}

.card-info h3 {
  margin: 0 0 6px 0;
  font-size: 18px;
  font-weight: 600;
}

.tags span {
  font-size: 12px;
  opacity: 0.75;
  white-space: nowrap;
}

.tags span:not(:last-child)::after {
  content: " — ";
  opacity: 0.5;
  margin: 0 6px;
}

/* ===== OVERLAY ICON ===== */
.card-overlay-icon {
  position: absolute;
  top: 14px;
  right: 14px;
  opacity: 0;
  font-size: 14px;
  transition: 
    opacity 0.25s ease,
    transform 0.25s ease;
}

.card:hover .card-overlay-icon {
  opacity: 1;
  transform: scale(1.4);
}

/* ===== OVERLAY FULLSCREEN ===== */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 100;
}

.hidden {
  display: none;
}

/* ===== PROJECT ACCENTS ===== */
.card[data-project="transfr"] {
  --card-accent: #5ddcff;
}

.card[data-project="about"] {
  --card-accent: #5ddcff;
}

.card[data-project="procedural"] {
  --card-accent: #5ddcff;
}

.card[data-project="mocap"] {
  --card-accent: #5ddcff;
}

.card[data-project="ml"] {
  --card-accent: #5ddcff;
}

.card[data-project="multiplayer"] {
  --card-accent: #5ddcff;
}

/* ===== OVERLAY (FULLSCREEN PROJECT) ===== */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 100;

  /* fade */
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;

  /* background */
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(10px);
}

.overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* page container */
.overlay-page {
  height: 100%;
  overflow: auto;
  -webkit-overflow-scrolling: touch;

  /* spacing */
  padding: 28px 22px 60px;
  box-sizing: border-box;
}

/* inner width */
.overlay-inner {
  width: min(1080px, 100%);
  margin: 0 auto;
}

/* top bar */
.overlay-topbar {
  position: sticky;
  top: 0;
  z-index: 5;

  display: flex;
  justify-content: flex-end;
  padding: 10px 0;

  /* subtle fade so button stays readable on hero */
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.65) 0%,
    rgba(0,0,0,0) 0%
  );
}

.overlay-close {
  border: 1.5px solid rgba(109, 168, 192, 0.2);
  background: rgba(10, 17, 23, 0.55);
  color: white;
  border-radius: 999px;
  padding: 10px 12px;
  cursor: pointer;

  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.overlay-close:hover {
  transform: scale(1.05);
  background: rgba(10, 17, 23, 0.75);
  border-color: rgba(255,255,255,0.35);
}

/* hero */
.project-hero {
  border-radius: 18px;
  overflow: hidden;
  background: linear-gradient(
    145deg,
    rgba(255,255,255,0.04),
    rgba(95, 192, 233, 0.11)
  );

  border:1.5px solid rgba(255,255,255,0.06);
}

.project-hero-media {
  width: 100%;
  /* aspect-ratio: 16 / 9; */
  height: clamp(280px, 50vh, 520px);
  background: rgba(255,255,255,0.03);
}

.project-hero-media video,
.project-hero-media img,
.project-hero-media iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  object-fit: cover;
}

.project-hero-caption {
  padding: 16px 18px 18px;
}

.project-title {
  margin: 0 0 6px 0;
  font-size: 26px;
  letter-spacing: -0.02em;
}

.project-subtitle {
  margin: 0;
  opacity: 0.8;
  line-height: 1.5;
}

/* sections */
.project-sections {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.project-section {
  border-radius: 18px;
  padding: 18px 18px 16px;

  background: linear-gradient(
    145deg,
    rgba(255,255,255,0.04),
    rgba(95, 192, 233, 0.11)
  );

  border:1.5px solid rgba(255,255,255,0.06);
}

.section-title {
  margin: 0 0 10px 0;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.85;
}

/* two-column on desktop */
@media (min-width: 900px) {
  .project-sections {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
  }
  .project-section.span-2 {
    grid-column: 1 / -1;
  }
}

/* lists */
.project-section ul {
  margin: 0;
  padding-left: 18px;
  line-height: 1.6;
  opacity: 0.9;
}

/* tags row */
.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.pill {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  opacity: 0.9;
}

/* gallery */
.gallery {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 900px) {
  .gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery a {
  display: block;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
}

.gallery img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.gallery a:hover img {
  transform: scale(1.05);
}

/* optional embed demo */
.embed {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.3);
}

.embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.links-list {
  list-style: none;
  padding: 0;
  margin: 0;

  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.links-list li {
  margin: 0;
}

.links-list a {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;

  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);

  color: white;
  text-decoration: none;
  font-size: 13px;

  transition: all 0.2s ease;
}

.links-list a:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.recognition-list {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.recognition-item {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: white;
  padding: 12px 16px;
  border-radius: 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  transition: transform 0.2s ease, background 0.2s ease;
}

.recognition-item:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,0.08);
}

.recognition-item img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.recognition-item span {
  font-weight: 500;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.stat-card {
  display: flex;
  gap: 20px;
  padding: 20px;
  border-radius: 18px;
  background: rgba(14, 165, 233, 0.364);
  backdrop-filter: blur(8px);
}

.stat-value {
  font-size: 48px;
  font-weight: 600;
  line-height: 1;
}

.stat-title {
  font-weight: 600;
  margin-bottom: 8px;
}

.stat-desc {
  opacity: 0.7;
  font-size: 14px;
}

.how-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .how-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }
}

.how-block {
  border-radius: 14px;
  padding: 14px 14px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

.how-title {
  margin: 0 0 8px 0;
  font-size: 13px;
  font-weight: 600;
  opacity: 0.95;
}

.how-stack {
  display: grid;
  gap: 14px;
}

/* 1) Que el texto dentro de cada bloque no sea tan ancho (más fácil de leer) */
.how-block ul {
  max-width: 72ch; /* limita el ancho de las líneas */
}

/* 2) Cambiar los bullets (•) por un guion sutil (–) para que no cargue a la izquierda */
.how-block ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.how-block li {
  position: relative;
  padding-left: 14px;
}

.how-block li::before {
  content: "–";
  position: absolute;
  left: 0;
  opacity: 0.55;
}

.what-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .what-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.what-block {
  border-radius: 14px;
  padding: 14px 14px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

.what-block p {
  margin: 0;
  line-height: 1.55;
  opacity: 0.95;
}

/* ===== NUEVO: CSS PARA VIDEOS DEL MOCAP ===== */
.mocap-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 10px;
}
.mocap-grid video {
  width: 100%;
  border-radius: 12px;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.08);
}
@media (max-width: 640px) {
  .mocap-grid { 
    grid-template-columns: 1fr; /* En celular se apilan */
  }
}

/* ===== NUEVO: CSS PARA VIDEOS EN HOW IT WORKS ===== */
.how-block-with-video {
  display: grid;
  gap: 100px;
  /* Mitad texto (1fr) y mitad video (1fr). Puedes cambiar a 1.2fr 0.8fr si quieres el video más chico */
  grid-template-columns: 1fr 1fr; 
  align-items: center;
}
.how-video video {
  width: 80%;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.2);
  display: block;
}
@media (max-width: 900px) {
  .how-block-with-video { 
    grid-template-columns: 1fr; /* En pantallas pequeñas se pone el video debajo del texto */
  }
}

/* ===== YOUTUBE GALLERY ===== */
.youtube-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 14px;
}

.youtube-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Truco para mantener el aspect ratio 16:9 en iframes */
.youtube-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 ratio */
  background: rgba(0,0,0,0.5); /* Fondo oscuro mientras carga */
}

.youtube-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.youtube-title {
  padding: 14px 16px;
  margin: 0;
  font-size: 13.5px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.02em;
  line-height: 1.4;
}

/* ===== PROCEDURAL SANDBOX LAYOUT ===== */
.sandbox-api-layout {
  display: grid;
  /* El build toma 2 partes, el texto 1 parte */
  grid-template-columns: 5fr 1fr; 
  gap: 40px;
  align-items: top;
  margin-top: 20px;
}

.api-context .how-title {
  font-size: 1rem;
  color: var(--card-accent, #aaa);
  margin-top: 0;
  margin-bottom: 44px; /* <-- Aumenta este valor si quieres más espacio debajo del título */
}

@media (max-width: 900px) {
  .sandbox-api-layout {
    grid-template-columns: 1fr; /* En celular, el texto se pone abajo del build */
  }
}

/* 2. Espacio entre los bullet points */
.api-context ul {
  padding-left: 10px; /* Sangría de las viñetas */
}

.api-context ul li {
  margin-bottom: 18px; /* <-- Aumenta este valor para separar más cada texto */
  line-height: 1.8;    /* <-- Le da un poco más de espacio entre las líneas de un mismo párrafo */
}

/* Quita el margen extra al último elemento para que quede bien centrado */
.api-context ul li:last-child {
  margin-bottom: 0;
}

/* ===== MULTIPLAYER LAYOUT ===== */

/* Grid para las dos columnas técnicas */
.technical-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-top: 20px;
}

.tech-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 30px;
}

.tech-list {
  padding-left: 20px;
  margin-top: 15px;
}

.tech-list li {
  margin-bottom: 15px;
  line-height: 1.6;
  color: var(--text-color, #e0e0e0);
}

.tech-list li:last-child {
  margin-bottom: 0;
}

/* Galería de imágenes del diseño */
.design-context {
  margin-bottom: 30px;
}

.design-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.gallery-img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery-img:hover {
  transform: scale(1.02);
}

/* Responsivo para móviles */
@media (max-width: 900px) {
  .technical-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== SPLIT LAYOUT (Member Bot) ===== */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: start;
}
@media (max-width: 900px) {
  .split-layout { grid-template-columns: 1fr; }
}

.split-image-column {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.split-img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  object-fit: cover;
}

/* Responsivo: En móvil se pone el texto arriba y las fotos abajo */
@media (max-width: 900px) {
  .split-layout {
    grid-template-columns: 1fr;
  }
}

/* Zoom específico para ocultar los bordes negros del video Procedural */
.card[data-project="procedural"] .card-media video {
  transform: scale(1.08); 
  transform-origin: center center; 
}

/* Zoom extra al hacer HOVER solo en el video de Procedural */
.card[data-project="procedural"]:hover .card-media video {
  transform: scale(1.12); 
}