/* ============================================================
   Presentación — José Rubén Capetillo
   HTML5 + CSS3 + JS Vanilla + Three.js
   ============================================================ */

:root {
  --bg: #060a14;
  --bg-soft: #0b1222;
  --text: #e8edf7;
  --text-dim: #9aa7bf;
  --accent: #4cc9f0;
  --accent-2: #7b6cf6;
  --warn: #f26d6d;
  --glass: rgba(255, 255, 255, 0.045);
  --glass-border: rgba(255, 255, 255, 0.10);
  --glass-hover: rgba(76, 201, 240, 0.08);
  --radius: 14px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

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

html, body {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  touch-action: pan-y;
}

/* ---------- Fondo 3D ---------- */
#bg3d {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
}

/* Velo sutil para garantizar legibilidad del texto sobre el 3D */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 45%, rgba(6, 10, 20, 0.25) 0%, rgba(6, 10, 20, 0.62) 100%);
}

/* ---------- Barra de progreso ---------- */
.progress-track {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.07);
  z-index: 20;
}

.progress-fill {
  height: 100%;
  width: 10%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.55s var(--ease);
  box-shadow: 0 0 12px rgba(76, 201, 240, 0.55);
}

/* ---------- Deck y slides ---------- */
.deck {
  position: relative;
  z-index: 10;
  height: 100%;
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.25rem, 4vw, 4rem);
  padding-top: calc(clamp(1.25rem, 4vw, 4rem) + env(safe-area-inset-top));
  padding-left: calc(clamp(1.25rem, 4vw, 4rem) + env(safe-area-inset-left));
  padding-right: calc(clamp(1.25rem, 4vw, 4rem) + env(safe-area-inset-right));
  opacity: 0;
  visibility: hidden;
  transform: translateY(26px) scale(0.985);
  transition:
    opacity 0.6s var(--ease),
    transform 0.6s var(--ease),
    visibility 0s linear 0.6s;
  pointer-events: none;
}

.slide.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  transition:
    opacity 0.65s var(--ease) 0.1s,
    transform 0.65s var(--ease) 0.1s,
    visibility 0s;
  pointer-events: auto;
}

.slide.exit-left  { transform: translateY(0) translateX(-40px) scale(0.985); }
.slide.exit-right { transform: translateY(0) translateX(40px) scale(0.985); }

.slide-inner {
  width: min(1060px, 100%);
  max-height: 100%;
  overflow-y: auto;
  scrollbar-width: none; /* el contenido sigue siendo desplazable en pantallas pequeñas */
  padding: 0.5rem 0.25rem;
}

.slide-inner::-webkit-scrollbar { display: none; }

.slide-inner.center { text-align: center; }

/* ---------- Animación de entrada escalonada ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.slide.active .reveal {
  opacity: 1;
  transform: translateY(0);
}

.slide.active .reveal:nth-child(1) { transition-delay: 0.15s; }
.slide.active .reveal:nth-child(2) { transition-delay: 0.27s; }
.slide.active .reveal:nth-child(3) { transition-delay: 0.39s; }
.slide.active .reveal:nth-child(4) { transition-delay: 0.51s; }
.slide.active .reveal:nth-child(5) { transition-delay: 0.63s; }
.slide.active .reveal:nth-child(6) { transition-delay: 0.75s; }

/* ---------- Tipografía ---------- */
.eyebrow {
  font-size: clamp(0.72rem, 1.4vw, 0.85rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
  font-weight: 600;
}

.eyebrow.warn { color: var(--warn); }

h1.hero-name {
  font-size: clamp(2.4rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.1rem;
}

h2 {
  font-size: clamp(1.7rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin-bottom: 1.4rem;
  max-width: 20ch;
}

.slide-inner.center h2 { max-width: none; }

h3 {
  font-size: clamp(0.98rem, 1.8vw, 1.12rem);
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.accent {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.warn-accent { color: var(--warn); }

.hero-sub {
  font-size: clamp(1.05rem, 2.4vw, 1.45rem);
  color: var(--text);
  font-weight: 400;
  margin-bottom: 0.6rem;
}

.hero-support {
  font-size: clamp(0.9rem, 1.8vw, 1.05rem);
  color: var(--text-dim);
  margin-bottom: 2rem;
}

.lead {
  font-size: clamp(0.98rem, 2vw, 1.2rem);
  color: var(--text-dim);
  max-width: 62ch;
  margin-bottom: 1.6rem;
  line-height: 1.6;
}

.slide-inner.center .lead { margin-inline: auto; }

.note {
  margin-top: 1.5rem;
  font-size: clamp(0.85rem, 1.6vw, 0.95rem);
  color: var(--text-dim);
  max-width: 68ch;
  line-height: 1.6;
  border-left: 2px solid var(--accent);
  padding-left: 0.9rem;
}

/* ---------- Citas ---------- */
.quote {
  font-size: clamp(1.05rem, 2.4vw, 1.4rem);
  line-height: 1.55;
  font-weight: 400;
  color: var(--text);
  max-width: 56ch;
  padding: 1.2rem 1.5rem;
  margin-bottom: 1.6rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.warn-quote { border-left-color: var(--warn); }

/* ---------- Tags de portada ---------- */
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
}

.tag {
  font-size: 0.82rem;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  color: var(--text-dim);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* ---------- Lista tipo pastillas (slide 2) ---------- */
.pill-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 0.5rem;
}

.pill-list li {
  font-size: clamp(0.82rem, 1.6vw, 0.95rem);
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-dim);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}

.pill-list li:hover {
  border-color: var(--accent);
  color: var(--text);
  transform: translateY(-2px);
}

/* ---------- Tarjetas (slide 3) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 0.9rem;
}

.card {
  padding: 1.15rem 1.2rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), background 0.35s var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(76, 201, 240, 0.4);
  background: var(--glass-hover);
}

.card p {
  font-size: 0.86rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.card-icon {
  width: 34px;
  height: 34px;
  margin-bottom: 0.7rem;
  color: var(--accent);
}

.card-icon svg { width: 100%; height: 100%; }

/* ---------- Riesgos (slide 4) ---------- */
.risk-feature {
  padding: 1.15rem 1.4rem;
  margin-bottom: 1.1rem;
  max-width: 72ch;
  background: rgba(242, 109, 109, 0.08);
  border: 1px solid rgba(242, 109, 109, 0.35);
  border-left: 3px solid var(--warn);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.risk-feature h3 {
  color: var(--warn);
  margin-bottom: 0.45rem;
}

.risk-feature p {
  font-size: clamp(0.86rem, 1.6vw, 0.97rem);
  color: var(--text-dim);
  line-height: 1.6;
}


.risk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 0.7rem;
  margin-bottom: 1.6rem;
}

.risk-item {
  font-size: clamp(0.85rem, 1.6vw, 0.95rem);
  padding: 0.85rem 1.05rem;
  background: rgba(242, 109, 109, 0.05);
  border: 1px solid rgba(242, 109, 109, 0.22);
  border-radius: 10px;
  color: var(--text-dim);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}

.risk-item:hover {
  border-color: var(--warn);
  color: var(--text);
  transform: translateY(-2px);
}

/* ---------- Casos reales (slide 5) ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.9rem;
}

.case {
  padding: 1.15rem 1.3rem;
  background: var(--glass);
  border: 1px solid rgba(242, 166, 90, 0.28);
  border-top: 3px solid #f2a65a;
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.case:hover {
  transform: translateY(-3px);
  border-color: #f2a65a;
}

.case h3 {
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
}

.case-stat {
  font-size: 0.86rem;
  font-weight: 700;
  color: #f2a65a;
  margin-bottom: 0.55rem;
}

.case p:not(.case-stat):not(.case-source) {
  font-size: 0.84rem;
  color: var(--text-dim);
  line-height: 1.55;
}

.case-source {
  margin-top: 0.7rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--glass-border);
  font-size: 0.74rem;
  color: var(--text-dim);
}

.case-source a {
  color: var(--accent);
  text-decoration: none;
}

.case-source a:hover { text-decoration: underline; }

/* ---------- Pilares (slide 6) ---------- */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 0.7rem;
}

.pillar {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: clamp(0.88rem, 1.7vw, 1rem);
  padding: 0.9rem 1.1rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.pillar:hover {
  border-color: rgba(76, 201, 240, 0.45);
  transform: translateY(-2px);
}

.pillar-num {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  flex-shrink: 0;
}

/* ---------- Cómo cierro la fuga de información (slide 5) ---------- */
.shield-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0.9rem;
  margin-top: 1.1rem;
}

.shield {
  padding: 1.1rem 1.3rem;
  background: rgba(76, 201, 240, 0.05);
  border: 1px solid rgba(76, 201, 240, 0.3);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.shield:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}

.shield h3 {
  color: var(--accent);
  margin-bottom: 0.45rem;
}

.shield p {
  font-size: clamp(0.84rem, 1.5vw, 0.94rem);
  color: var(--text-dim);
  line-height: 1.6;
}

/* ---------- Servicios (slide 6) ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.9rem;
}

.service {
  padding: 1.15rem 1.25rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.service::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}

.service:hover {
  transform: translateY(-4px);
  border-color: rgba(76, 201, 240, 0.4);
}

.service:hover::before { opacity: 1; }

.service p {
  font-size: 0.86rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ---------- Columnas de valor (slide 7) ---------- */
.value-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.9rem;
}

.value-col {
  padding: 1.15rem 1.25rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.value-col h3 {
  color: var(--accent);
  margin-bottom: 0.7rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.value-col ul {
  list-style: none;
}

.value-col li {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.5;
  padding: 0.3rem 0 0.3rem 1.1rem;
  position: relative;
}

.value-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-2);
}

/* ---------- Timeline metodología (slide 8) ---------- */
.timeline {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.8rem;
  counter-reset: step;
}

.step {
  display: flex;
  gap: 0.95rem;
  align-items: flex-start;
  padding: 1rem 1.1rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.step:hover {
  transform: translateY(-3px);
  border-color: rgba(76, 201, 240, 0.4);
}

.step-num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--bg);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.step p {
  font-size: 0.84rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ---------- Resultados (slide 9) ---------- */
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.65rem;
  margin-bottom: 1.6rem;
}

.result {
  font-size: clamp(0.82rem, 1.5vw, 0.92rem);
  padding: 0.8rem 1rem;
  text-align: center;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: var(--text-dim);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}

.result:hover {
  border-color: var(--accent);
  color: var(--text);
  transform: translateY(-2px);
}

/* ---------- Cierre / CTA (slide 10) ---------- */
.cta-title {
  font-size: clamp(1.9rem, 5.5vw, 3.4rem);
  margin-inline: auto;
}

.cta-line {
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  font-weight: 600;
  margin: 0.4rem 0 2rem;
}

.contact-card {
  display: inline-block;
  text-align: left;
  padding: 1.5rem 2.2rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.contact-name {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.contact-role {
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.9rem;
}

.contact-item {
  font-size: 0.88rem;
  color: var(--text-dim);
  padding: 0.15rem 0;
}

.contact-link {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid rgba(76, 201, 240, 0.45);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.contact-link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- Controles de navegación ---------- */
.controls {
  position: fixed;
  bottom: calc(clamp(0.9rem, 3vh, 1.8rem) + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 30;
  padding: 0.45rem 0.8rem;
  background: rgba(10, 16, 30, 0.55);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-btn {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.2s var(--ease);
}

.nav-btn svg { width: 20px; height: 20px; }

.nav-btn:hover {
  background: var(--glass-hover);
  border-color: var(--accent);
  transform: scale(1.06);
}

.nav-btn:active { transform: scale(0.94); }

.nav-btn:disabled {
  opacity: 0.3;
  cursor: default;
  transform: none;
}

.slide-counter {
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
  min-width: 3.4em;
  text-align: center;
}

#currentSlide { color: var(--text); font-weight: 700; }

.counter-sep { margin: 0 0.25em; opacity: 0.5; }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .slide {
    padding: 1.2rem 1.1rem 5.2rem;
    padding-top: calc(1.2rem + env(safe-area-inset-top));
    padding-left: calc(1.1rem + env(safe-area-inset-left));
    padding-right: calc(1.1rem + env(safe-area-inset-right));
    padding-bottom: calc(5.2rem + env(safe-area-inset-bottom));
  }
  h2 { max-width: none; }
  .quote { padding: 1rem 1.1rem; }
  .card-grid, .service-grid, .value-columns, .timeline { grid-template-columns: 1fr 1fr; }
  .result-grid, .risk-grid { grid-template-columns: 1fr 1fr; }
  .pillar-grid { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
  .card-grid, .service-grid, .value-columns, .timeline,
  .result-grid, .risk-grid { grid-template-columns: 1fr; }
  .contact-card { padding: 1.2rem 1.4rem; }
}

/* Teléfonos muy pequeños (iPhone SE y similares) */
@media (max-width: 380px) {
  .hero-tags { gap: 0.4rem; }
  .tag { font-size: 0.74rem; padding: 0.38rem 0.8rem; }
  .quote { padding: 0.85rem 1rem; font-size: clamp(0.95rem, 4.2vw, 1.1rem); }
  .contact-card { padding: 1rem 1.15rem; }
  .controls { gap: 0.7rem; padding: 0.35rem 0.6rem; }
}

/* Teléfonos en horizontal: poco alto, hay que compactar */
@media (max-height: 480px) and (orientation: landscape) {
  .slide { padding-top: calc(0.8rem + env(safe-area-inset-top)); padding-bottom: calc(3.6rem + env(safe-area-inset-bottom)); }
  .eyebrow { margin-bottom: 0.5rem; }
  h1.hero-name, h2 { margin-bottom: 0.6rem; }
  .hero-support, .lead { margin-bottom: 0.8rem; }
  .controls { bottom: calc(0.5rem + env(safe-area-inset-bottom)); }
  .nav-btn { width: 34px; height: 34px; }
}

/* Dispositivos táctiles: objetivos de toque más grandes */
@media (hover: none) and (pointer: coarse) {
  .nav-btn { width: 46px; height: 46px; }
  .nav-btn svg { width: 22px; height: 22px; }
}

/* ---------- Accesibilidad: reducir movimiento ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}