/* ==========================================================================
   FLORECIMIENTO CEREBRAL SIGLO XXI - DESIGN SYSTEM
   Author: docSERsol & Dr. Neuro Tóxix
   Theme: Bioluminescent Neural Deep Dark Mode
   ========================================================================== */

:root {
  --bg-primary: #07080d;
  --bg-secondary: #0d101a;
  --bg-tertiary: #131726;
  --bg-card: rgba(18, 22, 38, 0.72);
  --bg-card-hover: rgba(26, 32, 54, 0.9);
  --bg-glass: rgba(13, 16, 28, 0.82);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(255, 45, 117, 0.3);
  --border-cyan: rgba(0, 229, 255, 0.3);

  --color-pink: #ff2d75;
  --color-pink-glow: rgba(255, 45, 117, 0.4);
  --color-rose: #ff6584;
  --color-cyan: #00e5ff;
  --color-cyan-glow: rgba(0, 229, 255, 0.35);
  --color-purple: #9d4edd;
  --color-amber: #ffb703;
  --color-green: #10b981;

  --text-pure: #ffffff;
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-heading: 'Outfit', sans-serif;
  --font-serif: 'Cinzel', serif;
  --font-body: 'Inter', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
  --shadow-glow-pink: 0 0 40px rgba(255, 45, 117, 0.25);
  --shadow-glow-cyan: 0 0 40px rgba(0, 229, 255, 0.2);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  position: relative;
  overflow-x: hidden;
  line-height: 1.65;
  min-height: 100vh;
  background: radial-gradient(circle at 50% 0%, #151930 0%, #07080d 70%);
}

/* Neural Network Background Canvas */
#neural-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-pure);
  line-height: 1.2;
  font-weight: 700;
}

p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

section {
  position: relative;
  padding: 6.5rem 0;
  z-index: 1;
}

/* Badges & Accents */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  width: fit-content;
}

.badge-pink {
  background: rgba(255, 45, 117, 0.12);
  color: #ff5592;
  border-color: rgba(255, 45, 117, 0.35);
}

.badge-cyan {
  background: rgba(0, 229, 255, 0.12);
  color: #26e9ff;
  border-color: rgba(0, 229, 255, 0.35);
}

.badge-amber {
  background: rgba(255, 183, 3, 0.12);
  color: #ffc229;
  border-color: rgba(255, 183, 3, 0.35);
}

.badge-purple {
  background: rgba(157, 78, 221, 0.12);
  color: #bb7eff;
  border-color: rgba(157, 78, 221, 0.35);
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 4rem auto;
}

.section-header .badge {
  margin-bottom: 1.2rem;
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}

.section-title span.highlight-pink {
  background: linear-gradient(135deg, #ff2d75 0%, #ff8da1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title span.highlight-cyan {
  background: linear-gradient(135deg, #00e5ff 0%, #70f4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.85rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  border: 1px solid transparent;
  outline: none;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, #ff2d75 0%, #e0005a 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(255, 45, 117, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 45, 117, 0.6);
  color: #ffffff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--text-pure);
  transform: translateY(-2px);
}

.btn-cyan {
  background: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 198, 255, 0.35);
}

.btn-cyan:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 198, 255, 0.55);
}

.btn-whatsapp {
  background: #25d366;
  color: #063914;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background: #20bd5a;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.55);
  color: #03240b;
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-normal);
}

.navbar.scrolled {
  height: 70px;
  background: rgba(8, 10, 16, 0.95);
  border-bottom-color: rgba(255, 45, 117, 0.2);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-img {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid var(--color-pink);
  box-shadow: 0 0 15px var(--color-pink-glow);
  transition: var(--transition-normal);
}

.brand-logo:hover .brand-img {
  transform: scale(1.08) rotate(5deg);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-pure);
  letter-spacing: -0.01em;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--color-pink);
  letter-spacing: 0.12em;
  font-weight: 700;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 0.3rem 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-pure);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-pink);
  transition: var(--transition-fast);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-pure);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  padding-bottom: 5rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-headline {
  font-size: clamp(2.4rem, 4.8vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.hero-headline .gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, #f472b6 60%, #ff2d75 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.18rem;
  color: #cbd5e1;
  max-width: 580px;
  line-height: 1.7;
}

.hero-quote {
  border-left: 3px solid var(--color-pink);
  padding: 0.75rem 1.25rem;
  background: rgba(255, 45, 117, 0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: #f1f5f9;
}

.hero-quote cite {
  display: block;
  font-style: normal;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-cyan);
  margin-top: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.hero-trust-bar {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: 0.5rem;
}

.trust-item {
  display: flex;
  flex-direction: column;
}

.trust-number {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-pure);
}

.trust-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 3D Book Showcase Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1200px;
}

.book-card-3d {
  position: relative;
  width: 320px;
  height: 480px;
  transform-style: preserve-3d;
  transform: rotateY(-18deg) rotateX(8deg);
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  cursor: pointer;
}

.book-card-3d:hover {
  transform: rotateY(-6deg) rotateX(4deg) scale(1.04);
}

.book-cover {
  width: 100%;
  height: 100%;
  border-radius: 12px 20px 20px 12px;
  overflow: hidden;
  box-shadow: -15px 20px 50px rgba(0, 0, 0, 0.8),
              0 0 35px rgba(255, 45, 117, 0.25);
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: #111;
}

.book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-spine-effect {
  position: absolute;
  top: 0;
  left: 0;
  width: 25px;
  height: 100%;
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0.3) 0%, 
    rgba(0, 0, 0, 0.4) 40%, 
    rgba(255, 255, 255, 0.1) 85%, 
    transparent 100%);
  pointer-events: none;
}

.book-glare {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.2) 0%, 
    transparent 50%);
  pointer-events: none;
}

/* Floating Badges on Hero Book */
.floating-badge {
  position: absolute;
  padding: 0.65rem 1.1rem;
  background: rgba(15, 19, 34, 0.88);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 5;
  animation: floatSlow 5s ease-in-out infinite;
}

.floating-badge-1 {
  top: 15%;
  right: -25px;
  border-color: rgba(255, 45, 117, 0.4);
}

.floating-badge-2 {
  bottom: 12%;
  left: -35px;
  border-color: rgba(0, 229, 255, 0.4);
  animation-delay: -2.5s;
}

.badge-icon {
  font-size: 1.4rem;
}

.badge-text-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-pure);
}

.badge-text-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ==========================================================================
   PHILOSOPHY / COGNITIVE DUEL SECTION: RAZÓN VS INSTINTO
   ========================================================================== */
.philosophy {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
}

.duel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 3rem;
}

.duel-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.duel-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
}

.card-docser {
  border-top: 4px solid var(--color-cyan);
}

.card-docser:hover {
  border-color: rgba(0, 229, 255, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(0, 229, 255, 0.15);
}

.card-toxix {
  border-top: 4px solid var(--color-pink);
}

.card-toxix:hover {
  border-color: rgba(255, 45, 117, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(255, 45, 117, 0.15);
}

.duel-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.duel-avatar {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid var(--border-subtle);
}

.card-docser .duel-avatar {
  border-color: var(--color-cyan);
  box-shadow: 0 0 15px var(--color-cyan-glow);
}

.card-toxix .duel-avatar {
  border-color: var(--color-pink);
  box-shadow: 0 0 15px var(--color-pink-glow);
  background: #fdfaf6;
}

.duel-persona-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-pure);
}

.duel-persona-role {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.duel-quote-box {
  background: rgba(0, 0, 0, 0.3);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.6;
  border-left: 3px solid;
}

.card-docser .duel-quote-box {
  border-left-color: var(--color-cyan);
  color: #e2e8f0;
}

.card-toxix .duel-quote-box {
  border-left-color: var(--color-pink);
  color: #fed7e2;
}

.duel-traits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

.duel-traits li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.duel-traits li span.icon {
  font-size: 1.1rem;
}

/* Dynamic Interactive Quote Arena */
.quote-arena {
  margin-top: 3.5rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 2rem;
  text-align: center;
}

.arena-title {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--text-pure);
}

.arena-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.arena-btn {
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.arena-btn.active {
  background: var(--color-pink);
  color: #fff;
  border-color: var(--color-pink);
  box-shadow: 0 0 20px var(--color-pink-glow);
}

.arena-output {
  min-height: 110px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-md);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  transition: var(--transition-normal);
}

.arena-quote-text {
  font-size: 1.2rem;
  font-style: italic;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.arena-speaker {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ==========================================================================
   THE BOOK SECTION
   ========================================================================== */
.book-section {
  position: relative;
}

.book-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: center;
}

.book-visual-frame {
  position: relative;
  display: flex;
  justify-content: center;
}

.book-full-view {
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 50px rgba(255, 45, 117, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  transition: var(--transition-normal);
}

.book-full-view:hover {
  transform: translateY(-6px) scale(1.02);
}

.book-info-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.book-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.book-heading {
  font-size: clamp(2rem, 3.8vw, 2.8rem);
  line-height: 1.15;
}

.book-synopsis {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #cbd5e1;
}

.book-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.pillar-card {
  background: var(--bg-card);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-fast);
}

.pillar-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 45, 117, 0.3);
}

.pillar-icon {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.pillar-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 0.25rem;
}

.pillar-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.book-publisher-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.75rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  margin-top: 1rem;
}

.publisher-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.publisher-name {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-pure);
  letter-spacing: 0.03em;
}

.publisher-badge {
  font-size: 0.75rem;
  background: #ff2d75;
  color: #fff;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-weight: 700;
}

/* ==========================================================================
   VIDEO AUDITORIUM SECTION
   ========================================================================== */
.video-section {
  background: radial-gradient(circle at 50% 50%, #151a30 0%, #08090e 80%);
}

.video-theater-wrapper {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 50px rgba(0, 229, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #000;
}

.video-element {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: contain;
  background: #000;
}

.video-details-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
}

.video-details-info h4 {
  font-size: 1.2rem;
  color: var(--text-pure);
  margin-bottom: 0.25rem;
}

.video-details-info p {
  font-size: 0.9rem;
}

/* ==========================================================================
   AUTHORS & BIOGRAPHIES SECTION
   ========================================================================== */
.authors-section {
  position: relative;
}

.authors-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: stretch;
}

.author-card-pedro {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  padding: 3rem;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.author-pedro-top {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.author-pedro-photo {
  width: 150px;
  height: 150px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  border: 3px solid var(--color-cyan);
  box-shadow: 0 0 30px var(--color-cyan-glow);
  flex-shrink: 0;
}

.author-pedro-titles h3 {
  font-size: 1.8rem;
  color: var(--text-pure);
  margin-bottom: 0.35rem;
}

.author-alias {
  font-size: 1.05rem;
  color: var(--color-cyan);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.author-credentials {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.author-bio-text {
  font-size: 1.05rem;
  color: #cbd5e1;
  line-height: 1.75;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.achievement-box {
  background: rgba(255, 255, 255, 0.03);
  padding: 1rem;
  border-radius: var(--radius-md);
  text-align: center;
  border: 1px solid var(--border-subtle);
}

.achievement-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-cyan);
}

.achievement-label {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Dr Neuro Toxix Card */
.author-card-toxix {
  background: linear-gradient(145deg, rgba(28, 16, 32, 0.75) 0%, rgba(15, 12, 24, 0.85) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 45, 117, 0.35);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: 0 0 30px rgba(255, 45, 117, 0.15);
}

.toxix-character-view {
  text-align: center;
  position: relative;
}

.toxix-img {
  max-width: 170px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 10px 20px rgba(255, 45, 117, 0.4));
  background: #fbf5ea;
  padding: 0.5rem;
  border: 2px solid var(--color-pink);
}

.toxix-headline {
  font-size: 1.45rem;
  color: #ff5592;
  margin-top: 1rem;
}

.toxix-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

.toxix-lore-box {
  background: rgba(0, 0, 0, 0.35);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-pink);
  font-size: 0.95rem;
  line-height: 1.6;
  color: #fce7f3;
}

.pdnt-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 45, 117, 0.15);
  padding: 0.8rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 45, 117, 0.3);
}

.pdnt-badge span.icon {
  font-size: 1.5rem;
}

.pdnt-badge-text {
  font-size: 0.82rem;
  color: #ffb1cb;
  font-weight: 500;
}

/* ==========================================================================
   NEUROJUEGOS & INTERACTIVE GAME ARENA
   ========================================================================== */
.neurojuegos-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, #101526 50%, var(--bg-primary) 100%);
}

.neurojuegos-showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
  margin-bottom: 5rem;
}

.games-poster-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 45px rgba(255, 183, 3, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.games-poster-img {
  width: 100%;
  display: block;
}

.games-info-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.game-product-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.game-item-card {
  background: var(--bg-card);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  transition: var(--transition-fast);
}

.game-item-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--color-amber);
  transform: translateY(-2px);
}

.game-item-icon {
  font-size: 2rem;
  background: rgba(255, 183, 3, 0.12);
  padding: 0.75rem;
  border-radius: var(--radius-md);
  color: var(--color-amber);
}

.game-item-content h4 {
  font-size: 1.15rem;
  color: var(--text-pure);
  margin-bottom: 0.35rem;
}

.game-benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin-top: 0.5rem;
}

.benefit-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: #e2e8f0;
}

.benefit-pill::before {
  content: '✓';
  color: var(--color-green);
  font-weight: 800;
}

/* Playable Mini-Game Container */
.interactive-game-arena {
  background: radial-gradient(circle at 50% 30%, #1a2238 0%, #0d111e 90%);
  border-radius: var(--radius-xl);
  border: 2px solid rgba(0, 229, 255, 0.25);
  padding: 3rem 2rem;
  box-shadow: 0 0 60px rgba(0, 229, 255, 0.12);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.game-arena-header {
  max-width: 650px;
  margin: 0 auto 2rem auto;
}

.game-arena-header h3 {
  font-size: 2rem;
  color: var(--text-pure);
  margin-bottom: 0.5rem;
}

.game-scoreboard {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.score-box {
  background: rgba(0, 0, 0, 0.4);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.score-val {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-cyan);
}

.score-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 4 Quadrants Game Board */
.game-board {
  width: 320px;
  height: 320px;
  margin: 0 auto 2rem auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 14px;
  padding: 14px;
  background: rgba(0, 0, 0, 0.6);
  border-radius: var(--radius-lg);
  border: 2px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.8);
}

.quadrant-btn {
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform 0.1s ease, filter 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  outline: none;
  font-size: 1.1rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.quad-yellow {
  background: #ffb703;
  box-shadow: 0 4px 15px rgba(255, 183, 3, 0.35);
}

.quad-blue {
  background: #0284c7;
  box-shadow: 0 4px 15px rgba(2, 132, 199, 0.35);
}

.quad-red {
  background: #e11d48;
  box-shadow: 0 4px 15px rgba(225, 29, 72, 0.35);
}

.quad-green {
  background: #10b981;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.35);
}

.quadrant-btn:hover {
  transform: scale(0.97);
  filter: brightness(1.2);
}

.quadrant-btn:active,
.quadrant-btn.active {
  transform: scale(0.93);
  filter: brightness(1.5);
  box-shadow: 0 0 35px #fff;
}

.game-instructions-box {
  margin-top: 1rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.game-status-msg {
  min-height: 28px;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
  color: var(--color-cyan);
}

/* ==========================================================================
   INTEGRATIVE FORMULAS & THERAPIES SECTION
   ========================================================================== */
.formulas-section {
  position: relative;
}

.formulas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.formula-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 2rem;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.formula-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 45, 117, 0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.formula-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.formula-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: rgba(255, 45, 117, 0.12);
  color: var(--color-pink);
}

.formula-icon.icon-cyan {
  background: rgba(0, 229, 255, 0.12);
  color: var(--color-cyan);
}

.formula-icon.icon-amber {
  background: rgba(255, 183, 3, 0.12);
  color: var(--color-amber);
}

.formula-icon.icon-purple {
  background: rgba(157, 78, 221, 0.12);
  color: var(--color-purple);
}

.formula-name {
  font-size: 1.25rem;
  color: var(--text-pure);
}

.formula-category {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.formula-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.formula-tag {
  font-size: 0.78rem;
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  width: fit-content;
}

/* ==========================================================================
   CONTACT & ACQUISITION SECTION
   ========================================================================== */
.contact-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, #0d1222 100%);
}

.contact-card-wrapper {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  padding: 4rem 3rem;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}

.contact-info-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info-col h3 {
  font-size: 2.2rem;
  color: var(--text-pure);
  line-height: 1.2;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1rem;
}

.contact-channel-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-pink);
}

.channel-text-title {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.channel-text-val {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-pure);
}

/* Interactive Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: #cbd5e1;
}

.form-control {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-md);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-pink);
  box-shadow: 0 0 15px var(--color-pink-glow);
}

select.form-control option {
  background: var(--bg-secondary);
  color: #fff;
}

textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #040508;
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2rem 0;
  color: var(--text-muted);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.92rem;
  max-width: 320px;
}

.footer-col h5 {
  font-size: 1.05rem;
  color: var(--text-pure);
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--color-pink);
  transform: translateX(4px);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

/* Toast Notifications */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--color-pink);
  box-shadow: var(--shadow-lg), 0 0 30px var(--color-pink-glow);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 1000;
  transform: translateY(150%);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-grid,
  .book-grid,
  .authors-grid,
  .neurojuegos-showcase-grid,
  .contact-card-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .floating-badge-1 { right: 0; }
  .floating-badge-2 { left: 0; }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(8, 10, 16, 0.98);
    backdrop-filter: blur(20px);
    padding: 2rem;
    border-bottom: 1px solid var(--border-subtle);
    gap: 1.5rem;
  }

  .duel-grid {
    grid-template-columns: 1fr;
  }

  .author-pedro-top {
    flex-direction: column;
    text-align: center;
  }

  .achievements-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}