/* ============================================
   VARIABLES & RESET
   ============================================ */
:root {
  --bg-deep: #0a0d14;
  --bg-dark: #0e1219;
  --bg-card: #131720;
  --bg-card-hover: #181e2d;
  --gold: #c9a84c;
  --gold-light: #e8c97a;
  --gold-dim: rgba(201, 168, 76, 0.15);
  --cream: #f5eed8;
  --white: #ffffff;
  --text-primary: #e8e4d9;
  --text-secondary: #8a8ea8;
  --text-muted: #555a72;
  --accent: #7b9ccc;
  --accent-dim: rgba(123, 156, 204, 0.12);
  --border: rgba(255, 255, 255, 0.06);
  --border-gold: rgba(201, 168, 76, 0.25);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.25;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 600;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
}

h3 {
  font-size: 1.35rem;
  font-weight: 600;
}

h4 {
  font-size: 1.1rem;
  font-weight: 600;
}

em {
  font-style: italic;
  color: var(--gold-light);
}

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

strong {
  color: var(--text-primary);
  font-weight: 600;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ============================================
   NAVBAR
   ============================================ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.2rem 2rem;
  transition: background 0.4s var(--transition), backdrop-filter 0.4s;
}

#navbar.scrolled {
  background: rgba(10, 13, 20, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.nav-symbol {
  color: var(--gold);
  font-size: 1.1rem;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s;
  letter-spacing: 0.02em;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-cta {
  background: var(--gold-dim);
  border: 1px solid var(--border-gold);
  padding: 0.5rem 1.2rem;
  border-radius: 50px;
  color: var(--gold) !important;
  transition: background 0.3s, color 0.3s !important;
}

.nav-cta:hover {
  background: var(--gold) !important;
  color: var(--bg-deep) !important;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--gold);
  color: var(--bg-deep);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  letter-spacing: 0.03em;
  transition: transform 0.2s, box-shadow 0.3s, background 0.3s;
}

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201, 168, 76, 0.35);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  border: 1px solid var(--border);
  transition: border-color 0.3s, background 0.3s;
}

.btn-ghost:hover {
  border-color: var(--gold);
  background: var(--gold-dim);
  color: var(--gold-light);
}

.btn-large {
  padding: 1.1rem 2.5rem;
  font-size: 1rem;
}

/* ============================================
   SECTION LABELS
   ============================================ */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--gold);
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: 7rem 0;
}

.section-dark {
  background: var(--bg-dark);
}

.section-gold {
  background: linear-gradient(135deg, #120f05 0%, #0d0d15 50%, #0a0d14 100%);
  border-top: 1px solid var(--border-gold);
  border-bottom: 1px solid var(--border-gold);
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--transition), transform 0.7s var(--transition);
}

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

[data-delay="100"] {
  transition-delay: 0.1s;
}

[data-delay="150"] {
  transition-delay: 0.15s;
}

[data-delay="200"] {
  transition-delay: 0.2s;
}

[data-delay="300"] {
  transition-delay: 0.3s;
}

[data-delay="400"] {
  transition-delay: 0.4s;
}

/* ============================================
   HERO
   ============================================ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.1) 0%, transparent 70%);
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
}

.glow-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(123, 156, 204, 0.08) 0%, transparent 70%);
  bottom: -100px;
  right: -100px;
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0;
  animation: floatParticle linear infinite;
}

@keyframes floatParticle {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }

  10% {
    opacity: 0.4;
  }

  90% {
    opacity: 0.2;
  }

  100% {
    transform: translateY(-10vh) scale(1);
    opacity: 0;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 880px;
  padding: 2rem;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 2rem;
}

.dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold);
  display: inline-block;
}

.hero-title {
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--white) 0%, var(--cream) 50%, var(--gold-light) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: 1.1rem;
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto 2.5rem;
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {

  0%,
  100% {
    opacity: 0.3;
    transform: scaleY(1);
  }

  50% {
    opacity: 1;
    transform: scaleY(1.2);
  }
}

/* ============================================
   MISIÓN
   ============================================ */
.mision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-top: 3rem;
}

.mision-text h2 {
  margin-bottom: 1.5rem;
}

.petra-quote {
  margin-top: 2rem;
  padding: 1.5rem 2rem;
  border-left: 3px solid var(--gold);
  background: var(--gold-dim);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--cream);
  line-height: 1.6;
}

.petra-quote cite {
  display: block;
  margin-top: 0.75rem;
  font-family: var(--font-body);
  font-style: normal;
  font-size: 0.85rem;
  color: var(--gold);
  font-weight: 500;
}

.mision-valores {
  padding-top: 2rem;
}

.mision-valores h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin-bottom: 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
}

.valores-list {
  list-style: none;
  margin-bottom: 2.5rem;
}

.valores-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.valor-icon {
  color: var(--gold);
  font-size: 0.7rem;
}

.stat-row {
  display: flex;
  gap: 2rem;
}

.stat {
  text-align: center;
  padding: 1.5rem;
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gold-light);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ============================================
   PODCAST
   ============================================ */
.podcast-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
  margin-top: 3rem;
}

.podcast-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--gold-dim);
  border: 1px solid var(--border-gold);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
}

.podcast-wrapper h2 {
  margin-bottom: 1.25rem;
}

.podcast-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.podcast-tags li {
  font-size: 0.75rem;
  padding: 0.35rem 0.9rem;
  background: var(--accent-dim);
  border: 1px solid rgba(123, 156, 204, 0.2);
  border-radius: 50px;
  color: var(--accent);
}

.podcast-player-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.podcast-player-wrap::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.podcast-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1.5rem;
}

.podcast-symbol {
  font-size: 3rem;
  color: var(--gold);
  margin-bottom: 1rem;
  animation: symbolGlow 3s ease-in-out infinite;
}

@keyframes symbolGlow {

  0%,
  100% {
    opacity: 0.6;
    text-shadow: none;
  }

  50% {
    opacity: 1;
    text-shadow: 0 0 30px rgba(201, 168, 76, 0.6);
  }
}

.podcast-wave {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 50px;
  margin-bottom: 1rem;
}

.wave-bar {
  width: 4px;
  background: linear-gradient(to top, var(--gold), var(--gold-light));
  border-radius: 2px;
  animation: waveIdle 1.5s ease-in-out infinite;
  opacity: 0.4;
  height: 8px;
}

.wave-bar:nth-child(2) {
  animation-delay: 0.1s;
}

.wave-bar:nth-child(3) {
  animation-delay: 0.2s;
  height: 20px;
}

.wave-bar:nth-child(4) {
  animation-delay: 0.3s;
  height: 14px;
}

.wave-bar:nth-child(5) {
  animation-delay: 0.4s;
  height: 30px;
}

.wave-bar:nth-child(6) {
  animation-delay: 0.5s;
  height: 18px;
}

.wave-bar:nth-child(7) {
  animation-delay: 0.6s;
  height: 40px;
}

.wave-bar:nth-child(8) {
  animation-delay: 0.7s;
  height: 22px;
}

.wave-bar:nth-child(9) {
  animation-delay: 0.8s;
  height: 35px;
}

.wave-bar:nth-child(10) {
  animation-delay: 0.9s;
  height: 16px;
}

.wave-bar:nth-child(11) {
  animation-delay: 1.0s;
  height: 28px;
}

.wave-bar:nth-child(12) {
  animation-delay: 1.1s;
  height: 12px;
}

.wave-bar:nth-child(13) {
  animation-delay: 1.2s;
  height: 22px;
}

.wave-bar:nth-child(14) {
  animation-delay: 1.3s;
  height: 10px;
}

.wave-bar:nth-child(15) {
  animation-delay: 1.4s;
}

.podcast-wave.playing .wave-bar {
  animation: wavePlaying 0.8s ease-in-out infinite;
  opacity: 1;
}

.podcast-wave.playing .wave-bar:nth-child(odd) {
  animation-duration: 0.6s;
}

@keyframes waveIdle {

  0%,
  100% {
    transform: scaleY(1);
  }

  50% {
    transform: scaleY(1.2);
  }
}

@keyframes wavePlaying {

  0%,
  100% {
    transform: scaleY(0.5);
  }

  50% {
    transform: scaleY(1.8);
  }
}

.custom-player {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.play-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--gold);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.2s, box-shadow 0.3s, background 0.3s;
  color: var(--bg-deep);
}

.play-btn:hover {
  background: var(--gold-light);
  transform: scale(1.08);
  box-shadow: 0 4px 20px rgba(201, 168, 76, 0.4);
}

.play-btn svg {
  width: 22px;
  height: 22px;
}

.progress-area {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.time-current,
.time-total {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  min-width: 35px;
}

.progress-bar-wrap {
  flex: 1;
  cursor: pointer;
  padding: 8px 0;
}

.progress-bar-bg {
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px;
  width: 0%;
  transition: width 0.1s linear;
}

.volume-area {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 70px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
  cursor: pointer;
}

.podcast-note {
  margin-top: 1.25rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.75rem;
  border-radius: var(--radius);
  line-height: 1.5;
  border: 1px solid var(--border);
}

.podcast-note code {
  font-family: monospace;
  color: var(--accent);
  background: rgba(123, 156, 204, 0.1);
  padding: 0.1em 0.4em;
  border-radius: 4px;
}

/* ============================================
   INGENIERÍA
   ============================================ */
.ingenieria-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 4rem;
}

.ingenieria-intro {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-top: 1.25rem;
}

.ing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.ing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.ing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.ing-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.ing-card:hover::before {
  opacity: 1;
}

.ing-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--border);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.ing-icon {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.ing-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.ing-card p {
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ============================================
   TIMELINE (HOJA DE RUTA)
   ============================================ */
#hoja-de-ruta h2 {
  text-align: center;
  margin-bottom: 4rem;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
  position: relative;
}

.timeline-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.timeline-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--text-muted);
  background: var(--bg-dark);
  flex-shrink: 0;
  transition: border-color 0.3s, background 0.3s;
  position: relative;
  z-index: 1;
}

.timeline-dot.active {
  border-color: var(--gold);
  background: var(--gold);
  box-shadow: 0 0 15px rgba(201, 168, 76, 0.4);
}

.timeline-line {
  width: 1px;
  flex: 1;
  background: var(--border);
  margin-top: 4px;
  min-height: 60px;
}

.timeline-content {
  padding-bottom: 1rem;
}

.timeline-phase {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.timeline-content h3 {
  margin-bottom: 0.75rem;
}

.timeline-content p {
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.timeline-tags span {
  font-size: 0.75rem;
  padding: 0.3rem 0.8rem;
  background: var(--gold-dim);
  border: 1px solid var(--border-gold);
  border-radius: 50px;
  color: var(--gold);
}

/* ============================================
   PILARES
   ============================================ */
#pilares h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.pilares-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

.pilar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.pilar-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  border-color: var(--border-gold);
}

.featured-card {
  border-color: var(--border-gold);
  background: linear-gradient(135deg, #161306 0%, #131720 100%);
}

.pilar-badge-featured {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bg-deep);
  background: var(--gold);
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
}

.pilar-bg {
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  opacity: 0.15;
}

.pilar-bg-1 {
  background: var(--accent);
}

.pilar-bg-2 {
  background: var(--gold);
}

.pilar-bg-3 {
  background: #7b6ccc;
}

.pilar-content {
  position: relative;
  z-index: 1;
}

.pilar-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.pilar-card h3 {
  margin-bottom: 0.35rem;
}

.pilar-sub {
  font-size: 0.8rem;
  color: var(--gold);
  margin-bottom: 1rem;
  font-weight: 500;
}

.pilar-card p {
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.pilar-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pilar-features li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pilar-features li::first-letter {
  color: var(--gold);
}

/* ============================================
   SEMILLAS DE VIDA
   ============================================ */
.semillas-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
  align-items: center;
}

.semillas-text h2 {
  margin-bottom: 1.5rem;
}

.semillas-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.semilla-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  transition: background 0.3s, transform 0.3s;
}

.semilla-item:hover {
  background: var(--gold-dim);
  transform: translateX(4px);
}

.semilla-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.semilla-item h4 {
  margin-bottom: 0.4rem;
  font-size: 1rem;
}

.semilla-item p {
  font-size: 0.88rem;
  line-height: 1.5;
}

/* ============================================
   EVENTOS CON ALMA
   ============================================ */
.eventos-header {
  max-width: 680px;
  margin-bottom: 3rem;
}
.eventos-header h2 { margin-bottom: 1.25rem; }
.eventos-intro {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}
.eventos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.evento-card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 2rem 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.evento-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.evento-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.evento-card:hover::before { opacity: 1; }
.evento-icon {
  font-size: 2.2rem;
  flex-shrink: 0;
}
.evento-body h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}
.evento-body p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   ESCALABILIDAD
   ============================================ */

#escalabilidad h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.escala-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}

.escala-card {
  text-align: center;
  padding: 2.5rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.3s, transform 0.3s;
}

.escala-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
}

.escala-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.escala-card h3 {
  margin-bottom: 1rem;
}

.escala-card p {
  font-size: 0.9rem;
}

.escala-statement {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.escala-statement blockquote {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--cream);
  line-height: 1.6;
  padding: 2.5rem;
  background: var(--gold-dim);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  position: relative;
}

.escala-statement blockquote::before {
  content: '"';
  font-size: 6rem;
  color: var(--gold);
  opacity: 0.2;
  position: absolute;
  top: -1rem;
  left: 1.5rem;
  font-family: var(--font-display);
  line-height: 1;
}

/* ============================================
   PRÓXIMOS PASOS / CTA
   ============================================ */
.cta-block {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.cta-block h2 {
  margin-bottom: 1.25rem;
}

.cta-block>p {
  font-size: 1.05rem;
  margin-bottom: 3rem;
}

.proximos-pasos {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 3rem;
  text-align: left;
}

.paso {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.3s, transform 0.3s;
}

.paso:hover {
  border-color: var(--border-gold);
  transform: translateX(6px);
}

.paso-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gold-dim);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--gold);
  flex-shrink: 0;
}

.paso-text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.paso-text strong {
  color: var(--text-primary);
  font-size: 1rem;
}

.paso-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 3rem 0;
}

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

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.footer-desc {
  color: var(--text-muted);
  font-style: italic;
  font-family: var(--font-display);
  margin-bottom: 1rem;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
}

/* ============================================
   PORTADA / INTRODUCCIÓN
   ============================================ */
#portada {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-deep);
  position: relative;
  overflow: hidden;
  padding: 6rem 2rem;
}

#portada::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(201, 168, 76, 0.07) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 80%, rgba(123, 156, 204, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

/* Líneas de fondo tipo papel */
#portada::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg,
      transparent,
      transparent 47px,
      rgba(255, 255, 255, 0.015) 47px,
      rgba(255, 255, 255, 0.015) 48px);
  pointer-events: none;
}

.portada-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 4rem 4rem 3rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.portada-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.portada-tag {
  color: var(--gold);
  background: var(--gold-dim);
  border: 1px solid var(--border-gold);
  padding: 0.3rem 0.9rem;
  border-radius: 50px;
}

.portada-sep {
  color: var(--text-muted);
}

.portada-date {
  color: var(--text-muted);
}

.portada-tipo {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.portada-titulo {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  background: linear-gradient(135deg, var(--white) 0%, var(--cream) 60%, var(--gold-light) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.6rem;
}

.portada-subtitulo {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: 1.5;
}

.portada-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
  margin: 2.5rem 0;
}

.portada-carta {
  margin-bottom: 2.5rem;
}

.portada-para {
  font-size: 0.97rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 1rem;
}

.portada-para strong {
  color: var(--text-primary);
}

.portada-invitacion {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--gold-light) !important;
  font-size: 1rem;
  margin-bottom: 0;
}

.portada-indice {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  margin-bottom: 2.5rem;
}

.portada-indice-titulo {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.portada-indice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem 2rem;
}

.portada-item {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: color 0.2s;
  display: block;
}

.portada-item:hover {
  color: var(--gold-light);
}

.portada-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--gold);
  color: var(--bg-deep);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.9rem 2rem;
  border-radius: 50px;
  letter-spacing: 0.03em;
  transition: transform 0.2s, box-shadow 0.3s, background 0.3s;
  animation: ctaPulse 3s ease-in-out infinite;
}

.portada-cta:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201, 168, 76, 0.4);
  animation: none;
}

.portada-cta svg {
  width: 18px;
  height: 18px;
  animation: arrowBounce 1.5s ease-in-out infinite;
}

@keyframes arrowBounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(3px);
  }
}

@keyframes ctaPulse {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(201, 168, 76, 0);
  }

  50% {
    box-shadow: 0 0 0 8px rgba(201, 168, 76, 0.12);
  }
}

/* ============================================
   HAMBURGER MENU
   ============================================ */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
  z-index: 200;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s var(--transition), opacity 0.3s, width 0.3s;
  transform-origin: center;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(10, 13, 20, 0.97);
  backdrop-filter: blur(20px);
  z-index: 150;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}
.nav-mobile.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
.nav-mobile a {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.75rem 2rem;
  text-align: center;
  transition: color 0.2s;
}
.nav-mobile a:hover { color: var(--gold-light); }
.nav-mobile .nav-mobile-close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  font-size: 1.5rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
  padding: 0.5rem;
}

/* ============================================
   RESPONSIVE — TABLET (≤1024px)
   ============================================ */
@media (max-width: 1024px) {
  .ing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pilares-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }
  .semillas-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .podcast-wrapper {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* ============================================
   RESPONSIVE — MÓVIL GRANDE (≤768px)
   ============================================ */
@media (max-width: 768px) {
  /* NAV */
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  #navbar { padding: 1rem 1.25rem; }

  /* CONTAINER */
  .container { padding: 0 1.25rem; }

  /* SECTIONS */
  .section { padding: 3.5rem 0; }
  .section-label { margin-bottom: 1rem; }

  /* HERO */
  #hero { padding: 2rem 1.25rem; }
  .hero-eyebrow { font-size: 0.7rem; gap: 0.5rem; }
  .hero-sub { font-size: 1rem; }
  .hero-actions {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-ghost { width: 100%; justify-content: center; }

  /* PORTADA */
  #portada { padding: 5rem 1.25rem 3rem; }
  .portada-inner { padding: 2rem 1.5rem 1.75rem; border-radius: 16px; }
  .portada-meta { flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
  .portada-tipo { font-size: 0.7rem; }
  .portada-subtitulo { font-size: 0.9rem; }
  .portada-divider { margin: 1.75rem 0; }
  .portada-para { font-size: 0.92rem; }
  .portada-indice { padding: 1.25rem; }
  .portada-indice-grid { grid-template-columns: 1fr; }
  .portada-cta { width: 100%; justify-content: center; }

  /* MISIÓN */
  .mision-grid { grid-template-columns: 1fr; gap: 2rem; }
  .stat-row { gap: 1rem; }
  .stat { padding: 1rem; }
  .stat-num { font-size: 2rem; }

  /* PODCAST */
  .podcast-wrapper { grid-template-columns: 1fr; gap: 2rem; }
  .podcast-player-wrap { padding: 1.5rem; }
  .custom-player { flex-wrap: wrap; gap: 0.75rem; }
  .volume-area { display: none; }

  /* INGENIERÍA */
  .ing-grid { grid-template-columns: 1fr; }
  .ingenieria-header { margin-bottom: 2.5rem; }

  /* TIMELINE */
  .timeline-item { grid-template-columns: 30px 1fr; gap: 1rem; }
  .timeline-content h3 { font-size: 1.1rem; }

  /* PILARES */
  .pilares-grid { grid-template-columns: 1fr; max-width: 100%; }
  .pilar-card { padding: 2rem 1.5rem; }

  /* SEMILLAS */
  .semillas-grid { grid-template-columns: 1fr; gap: 2rem; }
  .semilla-item { padding: 1.25rem; }

  /* EVENTOS CON ALMA */
  .eventos-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .evento-card { padding: 1.5rem; }

  /* ESCALABILIDAD */
  .escala-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .escala-statement blockquote { font-size: 1.1rem; padding: 1.75rem; }

  /* PRÓXIMOS PASOS */
  .paso { gap: 1rem; padding: 1rem; }
  .cta-final .btn-large { width: 100%; justify-content: center; text-align: center; }
}

/* ============================================
   RESPONSIVE — MÓVIL PEQUEÑO (≤480px)
   ============================================ */
@media (max-width: 480px) {
  html { font-size: 15px; }
  .portada-inner { padding: 1.75rem 1.25rem 1.5rem; }
  .podcast-player-wrap { padding: 1.25rem; }
  .play-btn { width: 44px; height: 44px; }
  .progress-area { flex-wrap: wrap; }
  .stat-row { flex-direction: column; }
  .stat { width: 100%; }
  .escala-statement blockquote { font-size: 1rem; padding: 1.25rem; }
  .ing-card { padding: 1.5rem 1.25rem; }
  .pilar-card { padding: 1.75rem 1.25rem; }
}