/* ============================================================
   INSERT COIN — PLAY GOOGLE CLOUD  |  style.css
   v4 — Visual High-Impact & Projector-Optimized Edition
   - Tamaños de fuente grandes y seguros para proyectores (mín. 20px)
   - Tipografía pixel legible (mín. 14px en Press Start 2P)
   - Diagramas visuales enriquecidos (K8s, Spanner, Redis, BigQuery, Agones, etc.)
   - Alto contraste y estética retro-arcade premium
   ============================================================ */

/* ── Variables de Color y Tipografía ────────────────────────── */
:root {
  --bg:          #0b0c1c;
  --surface:     #14162e;
  --surface-alt: #1c1f3f;
  --border:      #2a2e63;
  --border-glow: #3f4699;
  
  --cyan:        #00f0ff;
  --magenta:     #ff2d8d;
  --yellow:      #ffd700;
  --green:       #39ff14;
  --white:       #ffffff;
  --dim:         #b0b5de;
  --red:         #ff3355;
  --orange:      #ff8800;
  --blue:        #38bdf8;
  --pink:        #f472b6;
  --purple:      #a855f7;

  /* Glows controlados para bordes y contenedores */
  --glow-cyan:    0 0 16px rgba(0, 240, 255, 0.45);
  --glow-yellow:  0 0 16px rgba(255, 215, 0, 0.45);
  --glow-green:   0 0 16px rgba(57, 255, 20, 0.45);
  --glow-red:     0 0 16px rgba(255, 51, 85, 0.45);
  --glow-magenta: 0 0 16px rgba(255, 45, 141, 0.45);
  --glow-orange:  0 0 16px rgba(255, 136, 0, 0.45);
  --glow-blue:    0 0 16px rgba(56, 189, 248, 0.45);

  --font-pixel: 'Press Start 2P', monospace;
  --font-body:  'Inter', sans-serif;
  --font-mono:  'IBM Plex Mono', monospace;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 24px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Fondo de Rejilla Arcade y Scanlines ──────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0, 0, 0, 0.12) 3px,
    rgba(0, 0, 0, 0.12) 6px
  );
  pointer-events: none;
}

/* ── Barra de Progreso ────────────────────────────────────── */
#progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
}

#progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--yellow), var(--magenta));
  box-shadow: 0 0 12px var(--cyan);
  transition: width var(--transition);
  width: 0%;
}

/* ── Contador de Slide ────────────────────────────────────── */
#slide-counter {
  position: fixed;
  top: 18px;
  right: 28px;
  z-index: 9999;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--dim);
  background: rgba(20, 22, 46, 0.85);
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
  letter-spacing: 0.1em;
}

#key-hint {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--dim);
  letter-spacing: 0.1em;
  background: rgba(20, 22, 46, 0.85);
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
  opacity: 0.85;
  transition: opacity 0.3s;
  pointer-events: none;
}

/* ── Botones de Navegación (Ocultos para proyección limpia) ── */
.nav-btn {
  display: none !important;
}

/* ── Contenedor de Diapositivas ───────────────────────────── */
#slides-container {
  position: relative;
  width: 100%;
  height: 100%;
}

/* ── Slide Base ───────────────────────────────────────────── */
.slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 40px;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.99);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  background: var(--bg);
  overflow: hidden;
  z-index: 1;
}

.slide.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  pointer-events: all;
  z-index: 10;
}

/* ── Tipografía y Utilidades ──────────────────────────────── */
.pixel {
  font-family: var(--font-pixel);
  line-height: 1.6;
}

.mono {
  font-family: var(--font-mono);
}

.c-cyan    { color: var(--cyan); }
.c-magenta { color: var(--magenta); }
.c-yellow  { color: var(--yellow); }
.c-green   { color: var(--green); }
.c-red     { color: var(--red); }
.c-orange  { color: var(--orange); }
.c-blue    { color: var(--blue); }
.c-pink    { color: var(--pink); }
.c-purple  { color: var(--purple); }
.c-dim     { color: var(--dim); }
.c-white   { color: var(--white); }

.w-full      { width: 100%; }
.text-center { text-align: center; }
.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }

/* ── Animaciones ──────────────────────────────────────────── */
@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@keyframes pulseGlow {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 8px currentColor); }
  50% { transform: scale(1.03); filter: drop-shadow(0 0 16px currentColor); }
}

@keyframes floatAnim {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes streamMove {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.blink       { animation: blink 1s step-end infinite; }
.blink-slow  { animation: blink 1.6s step-end infinite; }
.float       { animation: floatAnim 3.5s ease-in-out infinite; }
.pulse       { animation: pulseGlow 2.5s ease-in-out infinite; }

/* ── Decoraciones de Esquinas Arcade ──────────────────────── */
.corner-deco {
  position: absolute;
  font-family: var(--font-pixel);
  font-size: 15px;
  color: var(--dim);
  letter-spacing: 0.15em;
  opacity: 0.6;
}
.corner-deco.tl { top: 24px; left: 32px; }
.corner-deco.tr { top: 24px; right: 32px; }
.corner-deco.br { bottom: 24px; right: 32px; }
.corner-deco.bl { bottom: 24px; left: 32px; }

/* ══════════════════════════════════════════════════════════
   01 COVER (PORTADA)
   ══════════════════════════════════════════════════════════ */
.slide-cover {
  text-align: center;
  background: radial-gradient(circle at center, #181a42 0%, var(--bg) 75%);
}

.cover-main-title {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.cover-line-insert {
  font-family: var(--font-pixel);
  font-size: clamp(26px, 3.5vw, 44px);
  color: var(--white);
  letter-spacing: 0.08em;
}

.cover-line-play {
  font-family: var(--font-pixel);
  font-size: clamp(42px, 6vw, 84px);
  color: var(--cyan);
  letter-spacing: 0.06em;
  text-shadow: 0 0 24px rgba(0, 240, 255, 0.4);
}

.cover-line-gcp {
  font-family: var(--font-pixel);
  font-size: clamp(24px, 3.2vw, 40px);
  color: var(--yellow);
  letter-spacing: 0.08em;
  text-shadow: 0 0 20px rgba(255, 215, 0, 0.35);
}

.cover-subtitle {
  font-size: clamp(22px, 2.2vw, 30px);
  color: var(--dim);
  margin-bottom: 36px;
  line-height: 1.5;
  max-width: 860px;
}

.cover-lives-row {
  display: flex;
  gap: 28px;
  align-items: center;
  justify-content: center;
  font-family: var(--font-pixel);
  font-size: 16px;
  margin-bottom: 40px;
  color: var(--dim);
}
.cover-hearts { color: var(--red); font-size: 28px; letter-spacing: 6px; }

.cover-press-start {
  font-family: var(--font-pixel);
  font-size: 24px;
  color: var(--green);
  letter-spacing: 0.2em;
  background: rgba(57, 255, 20, 0.1);
  padding: 14px 28px;
  border-radius: 8px;
  border: 2px solid var(--green);
  box-shadow: var(--glow-green);
}

/* ══════════════════════════════════════════════════════════
   02 AGENDA (STAGE SELECT)
   ══════════════════════════════════════════════════════════ */
.slide-agenda {
  gap: 20px;
}

.agenda-heading {
  font-family: var(--font-pixel);
  font-size: clamp(24px, 3vw, 36px);
  color: var(--cyan);
  text-align: center;
  letter-spacing: 0.08em;
}

.agenda-sub {
  font-size: 24px;
  color: var(--dim);
  text-align: center;
  margin-bottom: 8px;
}

.agenda-grid, .agenda-grid-5, .agenda-grid-4 {
  display: grid;
  gap: 20px;
  width: 100%;
  max-width: 1240px;
}

.agenda-grid-4 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 1100px;
}

.agenda-grid-5 {
  grid-template-columns: repeat(6, 1fr);
}

.agenda-grid-5 .agenda-card {
  grid-column: span 2;
}

.agenda-grid-5 .agenda-card:nth-child(4) {
  grid-column: 2 / span 2;
}

.agenda-grid-5 .agenda-card:nth-child(5) {
  grid-column: 4 / span 2;
}

.agenda-card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all 0.25s;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.agenda-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.agenda-card .num-badge {
  display: inline-block;
  font-family: var(--font-pixel);
  font-size: 16px;
  padding: 4px 10px;
  border-radius: 6px;
  align-self: flex-start;
  letter-spacing: 0.1em;
}

.agenda-card .game-name {
  font-family: var(--font-pixel);
  font-size: 17px;
  color: var(--white);
  line-height: 1.5;
}

.agenda-card .game-q {
  font-size: 21px;
  color: var(--dim);
  line-height: 1.5;
}

.agenda-card .game-tech {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--cyan);
  background: rgba(0, 240, 255, 0.08);
  padding: 6px 10px;
  border-radius: 6px;
  margin-top: auto;
}

/* ══════════════════════════════════════════════════════════
   HERO SLIDES (PORTADA DE MUNDOS)
   ══════════════════════════════════════════════════════════ */
.slide-hero {
  flex-direction: row;
  padding: 0;
  gap: 0;
  align-items: stretch;
}

.hero-left {
  flex: 1.1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 50px 40px;
  border-right: 3px solid var(--border);
  background: radial-gradient(circle at center, #1b1e42 0%, #0e1026 80%);
}

.hero-right {
  flex: 1.4;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 50px 60px;
  gap: 20px;
}

.hero-art-img {
  max-width: 82%;
  max-height: 380px;
  border-radius: 16px;
  border: 3px solid var(--border-glow);
  box-shadow: 0 16px 36px rgba(0,0,0,0.6);
  object-fit: cover;
}

.world-badge {
  font-family: var(--font-pixel);
  font-size: 17px;
  padding: 8px 18px;
  border: 2px solid currentColor;
  border-radius: 8px;
  letter-spacing: 0.18em;
  background: rgba(0,0,0,0.3);
}

.hero-world-num {
  font-family: var(--font-pixel);
  font-size: 17px;
  color: var(--dim);
  letter-spacing: 0.2em;
}

.hero-title {
  font-family: var(--font-pixel);
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.5;
  letter-spacing: 0.04em;
}

.hero-dev {
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--dim);
  letter-spacing: 0.08em;
}

.hero-question {
  font-size: 26px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
  border-left: 6px solid currentColor;
  padding: 22px 28px;
  border-radius: 0 12px 12px 0;
  line-height: 1.6;
}

/* ══════════════════════════════════════════════════════════
   SLIDES DE CONTENIDO & TECH
   ══════════════════════════════════════════════════════════ */
.slide-content, .slide-tech, .slide-diagram, .slide-refs {
  align-items: flex-start;
  justify-content: center;
  gap: 22px;
  padding: 24px 60px;
  max-width: 1540px;
  width: 100%;
  margin: 0 auto;
}

.slide-tag {
  font-family: var(--font-pixel);
  font-size: 16px;
  letter-spacing: 0.16em;
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
}

.slide-title {
  font-family: var(--font-pixel);
  font-size: clamp(24px, 3vw, 36px);
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.slide-subtitle {
  font-family: var(--font-pixel);
  font-size: 20px;
  letter-spacing: 0.06em;
  color: var(--yellow);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  width: 100%;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  width: 100%;
}

/* ── Tarjetas de Introducción Tecnológica ─────────────────── */
/* ── Tarjeta de Presentación del Speaker ─────────────────── */
.profile-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 50px;
  align-items: center;
  width: 100%;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 20px;
  padding: 40px 50px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  margin-top: 16px;
}

.profile-avatar-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.profile-photo-frame {
  width: 320px;
  height: 320px;
  border-radius: 24px;
  border: 3px solid var(--cyan);
  box-shadow: var(--glow-cyan);
  overflow: hidden;
  background: #14162e;
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.profile-tag-p1 {
  font-family: var(--font-pixel);
  font-size: 16px;
  color: var(--cyan);
  background: rgba(0, 240, 255, 0.1);
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--cyan);
}

.profile-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.profile-name {
  font-family: var(--font-pixel);
  font-size: clamp(28px, 3.4vw, 40px);
  color: var(--yellow);
  letter-spacing: 0.04em;
  line-height: 1.3;
}

.profile-badges {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.profile-badge-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 24px;
  color: var(--white);
  line-height: 1.5;
}

.profile-badge-icon {
  font-size: 28px;
  flex-shrink: 0;
}

.profile-qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(0, 240, 255, 0.35);
  border-radius: 14px;
  padding: 14px 24px;
  width: fit-content;
  margin-top: 6px;
}

.profile-qr-box .qr-frame {
  background: #ffffff;
  padding: 6px;
  border-radius: 10px;
  border: 2px solid var(--cyan);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-qr-box .qr-frame img {
  width: 100px;
  height: 100px;
  display: block;
}

.profile-qr-box .qr-label {
  font-size: 16px;
  letter-spacing: 0.08em;
}

.tech-intro-card {
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 24px 28px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.card-label {
  font-family: var(--font-pixel);
  font-size: 16px;
  color: var(--dim);
  letter-spacing: 0.14em;
}

.card-body {
  font-size: 24px;
  color: var(--white);
  line-height: 1.6;
}

.apply-box {
  border: 2px solid;
  border-radius: 12px;
  padding: 22px 28px;
  font-size: 23px;
  line-height: 1.6;
  background: rgba(255, 255, 255, 0.04);
}

.apply-label {
  font-family: var(--font-pixel);
  font-size: 16px;
  letter-spacing: 0.14em;
  display: block;
  margin-bottom: 10px;
}

.mini-note {
  background: rgba(0, 240, 255, 0.08);
  border-left: 5px solid var(--cyan);
  padding: 16px 20px;
  font-size: 23px;
  color: var(--white);
  line-height: 1.6;
  border-radius: 0 8px 8px 0;
  width: 100%;
}

/* ── Listas de Características ────────────────────────────── */
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.feature-list li {
  font-size: 24px;
  color: var(--white);
  padding-left: 32px;
  position: relative;
  line-height: 1.5;
}

.feature-list li::before {
  content: '▶';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-size: 18px;
  top: 4px;
}

/* ══════════════════════════════════════════════════════════
   NUEVOS COMPONENTES VISUALES & DIAGRAMAS
   ══════════════════════════════════════════════════════════ */

/* ── 1. Diagrama K8s Clúster Pro ──────────────────────────── */
.k8s-cluster-pro {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 22px 26px;
}

.k8s-cp-banner {
  background: rgba(0, 240, 255, 0.1);
  border: 2px solid var(--cyan);
  border-radius: 10px;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.k8s-cp-tag {
  font-family: var(--font-pixel);
  font-size: 17px;
  color: var(--cyan);
}

.k8s-cp-badges {
  display: flex;
  gap: 12px;
}

.k8s-badge {
  font-family: var(--font-mono);
  font-size: 18px;
  background: rgba(0, 240, 255, 0.15);
  border: 1px solid var(--cyan);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 6px;
}

.k8s-nodes-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.k8s-node-card {
  background: rgba(255, 215, 0, 0.05);
  border: 2px solid rgba(255, 215, 0, 0.35);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.k8s-node-header {
  font-family: var(--font-pixel);
  font-size: 15px;
  color: var(--yellow);
  display: flex;
  align-items: center;
  gap: 8px;
}

.k8s-pods-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.k8s-pod-box {
  background: rgba(57, 255, 20, 0.12);
  border: 2px solid var(--green);
  border-radius: 8px;
  padding: 10px 8px;
  text-align: center;
  font-family: var(--font-pixel);
  font-size: 15px;
  color: var(--green);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ── 2. Diagrama de GKE Auto-Escalado ─────────────────────── */
.gke-scale-visual {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.scale-step-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.scale-node-box {
  flex: 1;
  background: rgba(255, 255, 255, 0.03);
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}

.scale-node-box.active-scale {
  border-color: var(--cyan);
  background: rgba(0, 240, 255, 0.08);
  box-shadow: var(--glow-cyan);
}

/* ── 3. Spanner Globo / Nodos Globales ────────────────────── */
.spanner-globe-box {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.global-nodes-flow {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 16px;
  padding: 18px;
  background: rgba(0,0,0,0.3);
  border-radius: 12px;
  border: 1px dashed var(--border);
}

.global-region-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.region-flag { font-size: 40px; }
.region-name { font-family: var(--font-pixel); font-size: 16px; color: var(--yellow); }
.region-status { font-family: var(--font-mono); font-size: 18px; color: var(--green); }

.sync-beam {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--cyan);
  font-family: var(--font-pixel);
  font-size: 14px;
}

/* ── 4. Comparador de Velocidad Redis vs DB ───────────────── */
.speed-compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  width: 100%;
}

.speed-card {
  border-radius: 12px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border: 2px solid;
}
.speed-card.bad {
  background: rgba(255, 51, 85, 0.06);
  border-color: var(--red);
}
.speed-card.good {
  background: rgba(57, 255, 20, 0.06);
  border-color: var(--green);
  box-shadow: var(--glow-green);
}

.speed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.speed-badge {
  font-family: var(--font-pixel);
  font-size: 16px;
  padding: 6px 12px;
  border-radius: 6px;
}

.speed-val {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
}

/* ── 5. BigQuery Funnel ───────────────────────────────────── */
.bq-funnel {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.bq-layer {
  width: 100%;
  border-radius: 10px;
  padding: 14px 20px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 2px solid;
}

/* ── 6. Arquitectura Completa Visual SF6 ──────────────────── */
.sf6-arch-visual {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

.client-row {
  display: flex;
  justify-content: center;
  gap: 18px;
}

.client-pill {
  font-family: var(--font-pixel);
  font-size: 16px;
  padding: 10px 22px;
  border: 2px solid var(--red);
  background: rgba(255, 51, 85, 0.1);
  color: var(--white);
  border-radius: 30px;
}

.backend-core-box {
  background: rgba(0, 240, 255, 0.08);
  border: 2px solid var(--cyan);
  border-radius: 12px;
  padding: 18px 24px;
  text-align: center;
  box-shadow: var(--glow-cyan);
}

.storage-grid-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.storage-card {
  border: 2px solid;
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ── 7. Flywheel Circular (Remote Config & Analytics) ─────── */
.flywheel-container {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 18px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.flywheel-step {
  width: 100%;
  max-width: 680px;
  border: 2px solid;
  border-radius: 10px;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.flywheel-icon { font-size: 32px; }
.flywheel-title { font-family: var(--font-pixel); font-size: 16px; margin-bottom: 4px; }
.flywheel-desc { font-size: 20px; color: var(--dim); }

/* ── 8. Pub/Sub & Dataflow Pipeline Visual ────────────────── */
.stream-pipeline-box {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pipeline-node {
  border: 2px solid;
  border-radius: 10px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── 9. Open Match & Matchmaking Queue ────────────────────── */
.matchmaking-arena {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.player-queue-column {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.player-ticket {
  font-family: var(--font-mono);
  font-size: 18px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.match-engine-core {
  background: rgba(0, 240, 255, 0.1);
  border: 2px solid var(--cyan);
  border-radius: 12px;
  padding: 20px 24px;
  text-align: center;
  font-family: var(--font-pixel);
  font-size: 16px;
  color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.match-result-room {
  background: rgba(255, 215, 0, 0.1);
  border: 2px solid var(--yellow);
  border-radius: 12px;
  padding: 20px 24px;
  text-align: center;
  font-family: var(--font-pixel);
  font-size: 16px;
  color: var(--yellow);
  box-shadow: var(--glow-yellow);
}

/* ── 10. Agones Fleet Matrix ──────────────────────────────── */
.fleet-matrix-box {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fleet-grid-pro {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.server-node-card {
  border: 2px solid;
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--font-pixel);
  font-size: 15px;
}

.server-node-card.ready {
  border-color: var(--green);
  background: rgba(57, 255, 20, 0.08);
  color: var(--green);
}

.server-node-card.allocated {
  border-color: var(--magenta);
  background: rgba(255, 45, 141, 0.08);
  color: var(--magenta);
  box-shadow: var(--glow-magenta);
}

/* ── 11. Central Loop: Open Match + Agones ────────────────── */
.central-master-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.master-step-box {
  border: 3px solid;
  border-radius: 14px;
  padding: 22px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 180px;
}

/* ── 12. Crash Radar (Crashlytics) ────────────────────────── */
.crash-radar-box {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.crash-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
}

/* ── 13. Mapa Completo de Tecnologías ─────────────────────── */
.tech-matrix-8, .tech-matrix-12 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  width: 100%;
}

.tech-matrix-10 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  width: 100%;
}

.tech-matrix-11 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
  width: 100%;
}

.tech-matrix-11 .tech-tile {
  grid-column: span 3;
}

.tech-matrix-11 .tech-tile:nth-child(n+9) {
  grid-column: span 4;
}

.tech-tile {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all 0.2s;
}
.tech-tile:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.tech-tile-name {
  font-family: var(--font-pixel);
  font-size: 16px;
  line-height: 1.4;
}

.tech-tile-q {
  font-size: 18px;
  color: var(--dim);
  line-height: 1.4;
}

/* ── 14. Sistema Distribuido Orbital ──────────────────────── */
.distributed-galaxy {
  position: relative;
  width: 820px;
  height: 500px;
  margin: 15px auto 0;
  border-radius: 50%;
  border: 1.5px dashed rgba(0, 240, 255, 0.25);
}

.galaxy-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--surface);
  border: 3px solid var(--cyan);
  border-radius: 50%;
  width: 150px;
  height: 150px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--font-pixel);
  font-size: 17px;
  color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.galaxy-planet {
  position: absolute;
  transform: translate(-50%, -50%);
  font-family: var(--font-pixel);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 6px 12px;
  border-radius: 8px;
  border: 2px solid currentColor;
  background: var(--surface);
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

/* ══════════════════════════════════════════════════════════
   LECCIONES Y MEMES
   ══════════════════════════════════════════════════════════ */
.slide-lesson {
  text-align: center;
  gap: 32px;
  background: radial-gradient(circle at center, #181c44 0%, var(--bg) 75%);
}

.lesson-icon { font-size: 80px; }

.lesson-quote {
  font-family: var(--font-pixel);
  font-size: clamp(20px, 2.5vw, 30px);
  line-height: 2.2;
  color: var(--white);
  max-width: 1040px;
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.pill {
  font-family: var(--font-pixel);
  font-size: 16px;
  padding: 10px 22px;
  border: 2px solid;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.04);
}

.slide-meme {
  gap: 24px;
  text-align: center;
  background: radial-gradient(circle at center, #181c44 0%, var(--bg) 75%);
}

.meme-title {
  font-family: var(--font-pixel);
  font-size: clamp(24px, 3.2vw, 40px);
  color: var(--white);
}

.meme-dialog-box {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 22px 32px;
  max-width: 840px;
  width: 100%;
  text-align: left;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.dialog-speaker {
  font-family: var(--font-pixel);
  font-size: 16px;
  letter-spacing: 0.14em;
  margin-bottom: 10px;
  display: block;
}

.dialog-text {
  font-size: 24px;
  color: var(--white);
  line-height: 1.6;
}

.meme-footer {
  font-family: var(--font-pixel);
  font-size: 18px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: inline-block;
  margin-top: 10px;
}

/* ══════════════════════════════════════════════════════════
   CIERRE Y REFERENCIAS
   ══════════════════════════════════════════════════════════ */
.slide-end {
  background: radial-gradient(circle at center, #191e48 0%, var(--bg) 75%);
}

.end-title {
  font-family: var(--font-pixel);
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.6;
  color: var(--cyan);
}

.end-sub {
  font-size: 26px;
  color: var(--dim);
  margin-bottom: 24px;
}

.game-over {
  font-family: var(--font-pixel);
  font-size: clamp(22px, 2.8vw, 36px);
  color: var(--magenta);
  letter-spacing: 0.18em;
  margin-top: 24px;
}

.slide-refs {
  align-items: center;
  text-align: center;
}

.slide-refs .slide-tag {
  align-self: center;
}

.slide-refs .slide-title {
  align-self: center;
  margin-bottom: 6px;
}

.refs-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  width: 100%;
}

.refs-grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  text-align: left;
}

.refs-grid-4 .ref-group {
  grid-column: span 1;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.25s;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.refs-grid-4 .ref-group:hover {
  transform: translateY(-4px);
  box-shadow: var(--glow-cyan);
}

.ref-title {
  font-family: var(--font-pixel);
  font-size: 16px;
  line-height: 1.5;
}

.ref-group a {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--dim);
  text-decoration: none;
  word-break: break-all;
  transition: color 0.2s;
}
.ref-group a:hover { color: var(--cyan); }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .slide { padding: 40px 30px; }
  .agenda-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-matrix-8 { grid-template-columns: repeat(2, 1fr); }
  .refs-grid { grid-template-columns: 1fr 1fr; }
  .slide-hero { flex-direction: column; }
  .hero-left { border-right: none; border-bottom: 3px solid var(--border); padding: 30px; }
  .hero-right { padding: 30px; }
}

@media (max-width: 680px) {
  .two-col, .three-col, .agenda-grid, .tech-matrix-8, .refs-grid {
    grid-template-columns: 1fr;
  }
}