/* ============================================
   IA PARA LEIGOS - Redesign Styles
   Modern, Futuristic, State-of-the-Art
   ============================================ */

/* CSS Variables - Design System */
:root {
    /* Colors - Deep Void Theme */
    --void-deep: #020205;
    --void-surface: #0a0a14;
    --void-elevated: #141420;
    --void-border: rgba(255, 255, 255, 0.08);

    /* Neon Accents */
    --neon-violet: #8b5cf6;
    --neon-violet-light: #a78bfa;
    --neon-cyan: #22d3ee;
    --neon-cyan-light: #67e8f9;
    --neon-rose: #fb7185;


    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--neon-violet) 0%, var(--neon-cyan) 100%);
    --gradient-glow: linear-gradient(135deg, rgba(139, 92, 246, 0.4) 0%, rgba(34, 211, 238, 0.4) 100%);
    --gradient-text: linear-gradient(135deg, var(--neon-violet) 0%, var(--neon-cyan) 50%, var(--neon-rose) 100%);

    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --text-subtle: #475569;

    /* Spacing Scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Typography */
    --font-display: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */

    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.3);
    --shadow-glow-cyan: 0 0 40px rgba(34, 211, 238, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--void-deep);
    overflow-x: hidden;
    width: 100%;
}

/* Selection */
::selection {
    background: rgba(139, 92, 246, 0.4);
    color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--void-surface);
}

::-webkit-scrollbar-thumb {
    background: var(--void-elevated);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-violet);
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============================================
   BACKGROUND EFFECTS
   ============================================ */
.bg-mesh {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.bg-gradient {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.bg-gradient-1 {
    width: 600px;
    height: 600px;
    background: var(--neon-violet);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.bg-gradient-2 {
    width: 500px;
    height: 500px;
    background: var(--neon-cyan);
    bottom: 10%;
    left: -150px;
    animation-delay: -7s;
}

.bg-gradient-3 {
    width: 400px;
    height: 400px;
    background: var(--neon-rose);
    top: 40%;
    right: 10%;
    opacity: 0.2;
    animation-delay: -14s;
}

.bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(139, 92, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(139, 92, 246, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 0%, transparent 70%);
}

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

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--neon-violet);
    border-radius: 50%;
    opacity: 0.5;
    animation: particleFloat 15s linear infinite;
}

@keyframes float {

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

    25% {
        transform: translate(30px, -30px) scale(1.1);
    }

    50% {
        transform: translate(-20px, 20px) scale(0.9);
    }

    75% {
        transform: translate(20px, 30px) scale(1.05);
    }
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 0.5;
    }

    90% {
        opacity: 0.5;
    }

    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-4) 0;
    transition: all var(--transition-base);
}

.nav.scrolled {
    padding: var(--space-3) 0;
    background: rgba(2, 2, 5, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--void-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    transition: transform var(--transition-spring);
}

.logo:hover .logo-icon {
    transform: rotate(-10deg) scale(1.1);
}

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

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    position: relative;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    padding: var(--space-2) var(--space-5);
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 20, 0.98);
    backdrop-filter: blur(20px);
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
    border-bottom: 1px solid var(--void-border);
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.125rem;
    font-weight: 500;
    padding: var(--space-3) 0;
    transition: color var(--transition-fast);
}

.mobile-link:hover {
    color: var(--text-primary);
}

.mobile-cta {
    padding: var(--space-4);
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-lg);
    margin-top: var(--space-4);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--space-16)) 0 var(--space-16);
    overflow: hidden;
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-text {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--neon-violet);
    margin-bottom: var(--space-6);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--neon-violet);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

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

    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-6);
}

.title-line {
    display: block;
}

.title-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-8);
}

.hero-cta {
    margin-bottom: var(--space-8);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow), 0 0 60px rgba(34, 211, 238, 0.2);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-glow {
    position: relative;
}

.btn-glow::after {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient-primary);
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    filter: blur(20px);
    transition: opacity var(--transition-base);
}

.btn-glow:hover::after {
    opacity: 0.5;
}

.btn-large {
    padding: var(--space-5) var(--space-10);
    font-size: 1.125rem;
}

.btn-secondary {
    background: var(--void-elevated);
    color: var(--text-primary);
    border: 1px solid var(--void-border);
}

.btn-secondary:hover {
    background: var(--void-surface);
    border-color: var(--neon-violet);
}

.btn-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

/* Social Proof */
.social-proof {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.avatar-stack {
    display: flex;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--avatar-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    border: 2px solid var(--void-deep);
    margin-left: -10px;
    transition: transform var(--transition-base);
}

.avatar:first-child {
    margin-left: 0;
}

.avatar-stack:hover .avatar {
    margin-left: 2px;
}

.avatar-stack:hover .avatar:first-child {
    margin-left: 0;
}

.social-proof-text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.social-proof-text strong {
    color: var(--text-primary);
}

/* Hero Visual - Neural Orb */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 500px;
}

.neural-orb-container {
    position: relative;
    width: 400px;
    height: 400px;
    perspective: 1000px;
}

.neural-orb {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    animation: orbRotate 30s linear infinite;
}

@keyframes orbRotate {
    0% {
        transform: rotateX(0deg) rotateY(0deg);
    }

    100% {
        transform: rotateX(360deg) rotateY(720deg);
    }
}

.orb-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
}

.orb-core-inner {
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    border-radius: 50%;
    animation: corePulse 3s ease-in-out infinite;
}

.orb-core-glow {
    position: absolute;
    inset: -20px;
    background: var(--gradient-glow);
    border-radius: 50%;
    filter: blur(30px);
    animation: corePulse 3s ease-in-out infinite;
}

@keyframes corePulse {

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

    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.orb-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.orb-ring-1 {
    width: 160px;
    height: 160px;
    animation: ringRotate1 15s linear infinite;
}

.orb-ring-2 {
    width: 240px;
    height: 240px;
    animation: ringRotate2 20s linear infinite reverse;
}

.orb-ring-3 {
    width: 320px;
    height: 320px;
    animation: ringRotate3 25s linear infinite;
}

@keyframes ringRotate1 {
    0% {
        transform: translate(-50%, -50%) rotateX(60deg) rotateY(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotateX(60deg) rotateY(360deg);
    }
}

@keyframes ringRotate2 {
    0% {
        transform: translate(-50%, -50%) rotateX(45deg) rotateZ(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotateX(45deg) rotateZ(360deg);
    }
}

@keyframes ringRotate3 {
    0% {
        transform: translate(-50%, -50%) rotateY(60deg) rotateZ(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotateY(60deg) rotateZ(360deg);
    }
}

.orb-node {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--neon-cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--neon-cyan);
}

.orb-ring-1 .orb-node:nth-child(1) {
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
}

.orb-ring-1 .orb-node:nth-child(2) {
    bottom: 20%;
    right: 10%;
}

.orb-ring-1 .orb-node:nth-child(3) {
    bottom: 20%;
    left: 10%;
}

.orb-ring-2 .orb-node:nth-child(1) {
    top: 10%;
    right: 10%;
}

.orb-ring-2 .orb-node:nth-child(2) {
    top: 10%;
    left: 10%;
}

.orb-ring-2 .orb-node:nth-child(3) {
    bottom: 10%;
    right: 10%;
}

.orb-ring-2 .orb-node:nth-child(4) {
    bottom: 10%;
    left: 10%;
}

.orb-ring-3 .orb-node:nth-child(1) {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.orb-ring-3 .orb-node:nth-child(2) {
    top: 25%;
    right: 5%;
}

.orb-ring-3 .orb-node:nth-child(3) {
    bottom: 25%;
    right: 5%;
}

.orb-ring-3 .orb-node:nth-child(4) {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.orb-ring-3 .orb-node:nth-child(5) {
    bottom: 25%;
    left: 5%;
}

/* Stat Cards */
.stat-card {
    position: absolute;
    padding: var(--space-4) var(--space-5);
    background: rgba(34, 211, 238, 0.1);
    backdrop-filter: blur(12px) saturate(150%);
    -webkit-backdrop-filter: blur(12px) saturate(150%);
    border: 1px solid rgba(34, 211, 238, 0.4);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    animation: cardFloat 6s ease-in-out infinite;
    box-shadow: 0 8px 32px rgba(34, 211, 238, 0.15), inset 0 0 15px rgba(34, 211, 238, 0.1);
}

@keyframes cardFloat {

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

    50% {
        transform: translateY(-10px);
    }
}

.stat-card-1 {
    top: 10%;
    right: 0;
    animation-delay: 0s;
}

.stat-card-2 {
    bottom: 20%;
    left: -20px;
    animation-delay: -2s;
}

.stat-card-3 {
    bottom: 5%;
    right: 10%;
    animation-delay: -4s;
}

.stat-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--neon-cyan);
    opacity: 0.9;
    text-shadow: 0 0 10px rgba(34, 211, 238, 0.3);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}

.stat-counter {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-active {
    color: var(--neon-cyan);
}

.stat-trend {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--neon-rose);
}

.stat-trend svg {
    width: 16px;
    height: 16px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    opacity: 0.6;
    animation: fadeInUp 1s ease 1s both;
}

.scroll-mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--text-muted);
    border-radius: var(--radius-full);
    position: relative;
}

.scroll-wheel {
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 6px;
    background: var(--text-muted);
    border-radius: var(--radius-full);
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

.scroll-text {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    margin-bottom: var(--space-12);
}

.section-header-center {
    text-align: center;
}

.section-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--neon-violet);
    margin-bottom: var(--space-4);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
}

.section-header-center .section-subtitle {
    margin: 0 auto;
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
    padding: var(--space-24) 0;
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.feature-card {
    padding: var(--space-8);
    background: var(--void-surface);
    border: 1px solid var(--void-border);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(139, 92, 246, 0.1);
}

.feature-card-large {
    grid-column: span 2;
    grid-row: span 1;
    display: flex;
    flex-direction: column;
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.feature-card-large .feature-title {
    font-size: 2rem;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.feature-stats {
    margin-top: auto;
    padding-top: var(--space-6);
    border-top: 1px solid var(--void-border);
}

.feature-stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.feature-stat-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
    padding: var(--space-24) 0;
    overflow: hidden;
}

.marquee-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: var(--space-4) 0;
    cursor: grab;
    touch-action: pan-y;
    /* Allow vertical scroll, handle horizontal in JS */
}

.marquee-container:active {
    cursor: grabbing;
}

.marquee-container::before,
.marquee-container::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 150px;
    z-index: 2;
    pointer-events: none;
}

.marquee-container::before {
    left: 0;
    background: linear-gradient(to right, var(--void-deep), transparent);
}

.marquee-container::after {
    right: 0;
    background: linear-gradient(to left, var(--void-deep), transparent);
}

.marquee {
    display: flex;
    gap: var(--space-6);
    /* Animation removed for JS control
    animation: marquee 40s linear infinite;
    */
    will-change: transform;
    user-select: none;
    /* Prevent text selection while dragging */
}

/*
.marquee:hover {
    animation-play-state: paused;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}
*/

.testimonial-card {
    flex-shrink: 0;
    width: 400px;
    padding: var(--space-8);
    background: var(--void-surface);
    border: 1px solid var(--void-border);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    border-color: rgba(139, 92, 246, 0.3);
    transform: scale(1.02);
}

.testimonial-text {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--avatar-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
}

.testimonial-info {
    display: flex;
    flex-direction: column;
}

.testimonial-name {
    font-weight: 600;
    color: var(--text-primary);
}

.testimonial-role {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ============================================
   ARTICLES SECTION
   ============================================ */
.edicoes {
    padding: var(--space-24) 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.article-card {
    background: rgba(10, 10, 20, 0.4);
    backdrop-filter: blur(12px);
    border: 1px solid var(--void-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-spring);
    display: flex;
    flex-direction: column;
    position: relative;
}

.article-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(to bottom right, rgba(139, 92, 246, 0.3), transparent, rgba(34, 211, 238, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.article-card:hover .article-title {
    color: var(--neon-cyan-light);
}

.article-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: transparent;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), var(--shadow-glow);
    background: rgba(14, 14, 28, 0.6);
}

.article-card-featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    flex-direction: row;
}

.article-image {
    position: relative;
    height: 240px;
    flex-shrink: 0;
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.article-card-featured .article-image {
    height: 100%;
    min-height: 320px;
    border-bottom: none;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.article-card:hover .article-image img {
    transform: scale(1.1) rotate(2deg);
}

.article-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(2, 2, 5, 0.8), transparent);
}

.article-icon {
    width: 56px;
    height: 56px;
    background: var(--void-elevated);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: var(--space-8) var(--space-8) var(--space-4);
}

.article-icon svg {
    width: 28px;
    height: 28px;
    color: var(--neon-violet);
}

.article-content {
    padding: var(--space-8);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-card-featured .article-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-10);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.article-tag {
    padding: var(--space-1) var(--space-3);
    background: rgba(139, 92, 246, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--neon-violet);
}

.article-date {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.article-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    line-height: 1.3;
}

.article-card-featured .article-title {
    font-size: 1.75rem;
}

.article-excerpt {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.article-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--neon-violet);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.article-link svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.article-link:hover {
    color: var(--neon-violet-light);
}

.article-link:hover svg {
    transform: translateX(4px);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    position: relative;
    padding: var(--space-24) 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.cta-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
}

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

.cta-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--neon-violet);
    border-radius: 50%;
    opacity: 0.6;
    animation: ctaParticleFloat 10s ease-in-out infinite;
}

@keyframes ctaParticleFloat {

    0%,
    100% {
        transform: translateY(0) scale(1);
        opacity: 0.6;
    }

    50% {
        transform: translateY(-30px) scale(1.2);
        opacity: 1;
    }
}

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

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.cta-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.cta-disclaimer {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--space-24) 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-text {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-4);
}

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

.about-social {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-8);
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--void-surface);
    border: 1px solid var(--void-border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.social-link:hover {
    background: var(--void-elevated);
    border-color: var(--neon-violet);
    color: var(--neon-violet);
    transform: translateY(-3px);
}

.about-visual {
    display: flex;
    justify-content: center;
}

.about-card {
    padding: var(--space-8);
    background: var(--void-surface);
    border: 1px solid var(--void-border);
    border-radius: var(--radius-2xl);
    width: 100%;
    max-width: 400px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.about-stat {
    text-align: center;
}

.about-stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--space-1);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: var(--space-16) 0 var(--space-8);
    border-top: 1px solid var(--void-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.footer-logo .logo-icon {
    width: 32px;
    height: 32px;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.footer-title {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--neon-violet);
}

.footer-newsletter p {
    color: var(--text-muted);
    font-size: 0.9375rem;
    margin-bottom: var(--space-4);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--void-border);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}



/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-12);
    }

    .hero-text {
        max-width: 100%;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .social-proof {
        justify-content: center;
    }

    .hero-visual {
        min-height: 350px;
    }

    .neural-orb-container {
        width: 300px;
        height: 300px;
    }

    .stat-card {
        display: none;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-card-large {
        grid-column: span 2;
        grid-row: span 1;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    .nav-links {
        display: none;
    }

    .hero-visual {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding-top: calc(72px + var(--space-12));
    }

    .hero-title {
        font-size: 2.25rem;
    }

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

    .feature-card-large {
        grid-column: span 1;
    }

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

    .article-card-featured {
        grid-template-columns: 1fr;
        grid-column: 1 / -1;
        /* Reset column span */
        width: 100%;
    }

    .article-image {
        min-height: 200px;
    }

    .testimonial-card {
        width: 320px;
        padding: var(--space-6);
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-large {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .scroll-indicator {
        display: none;
    }

    /* YouTube Mobile Styles */
    .video-card {
        flex: 0 0 100%;
        /* Full width on mobile */
        max-width: 400px;
    }

    #youtube-feed-container {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.875rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .feature-card {
        padding: var(--space-6);
    }

    .testimonial-card {
        width: 280px;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .marquee {
        animation: none;
    }

    .neural-orb {
        animation: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --void-surface: #000000;
        --void-border: rgba(255, 255, 255, 0.3);
        --text-secondary: #ffffff;
        --text-muted: #cccccc;
    }
}

/* RSS Loading State */
.loading-card {
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.03);
}

.loading-pulse {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* YouTube Video Cards Refinements */
#youtube-feed-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-6);
    justify-content: flex-start;
    /* Left align - User request */
}

.video-card {
    flex: 0 0 300px;
    /* Fixed width - User request */
    max-width: 100%;
}



.video-card .article-image {
    min-height: auto;
    aspect-ratio: 16 / 9;
    /* 16:9 Aspect Ratio - User request */
    height: auto;
}

/* Center the play button */
.video-thumbnail .article-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    /* Darker overlay for better contrast */
    transition: background var(--transition-base);
}

.video-thumbnail:hover .article-overlay {
    background: rgba(0, 0, 0, 0.1);
}

.video-play-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all var(--transition-spring);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.article-card:hover .video-play-icon {
    transform: scale(1.15);
    background: var(--neon-violet);
    border-color: var(--neon-violet);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.6);
}

.video-play-icon svg {
    width: 28px;
    height: 28px;
    margin-left: 4px;
    /* Optical center */
    fill: currentColor;
}

.video-tag {
    background: rgba(255, 0, 0, 0.1);
    color: #ff4444;
    border: 1px solid rgba(255, 0, 0, 0.2) !important;
}

.videos {
    padding: var(--space-24) 0;
    position: relative;
    /* Subtle separation background if needed, but keeping consistent with dark theme */
}

/* ============================================
   WORKSHOP MODAL
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 2, 5, 0.85);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    position: relative;
    max-width: 800px;
    width: 100%;
    background: var(--void-surface);
    border: 1px solid var(--void-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(139, 92, 246, 0.2);
    transform: scale(0.95) translateY(20px);
    transition: all var(--transition-spring);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border: none;
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-body {
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.modal-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: rgba(251, 113, 133, 0.1);
    border: 1px solid rgba(251, 113, 133, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--neon-rose);
    margin-bottom: var(--space-4);
    align-self: flex-start;
}

.modal-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.modal-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

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

.modal-features {
    list-style: none;
    margin-bottom: var(--space-8);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.modal-features li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.modal-features li svg {
    width: 16px;
    height: 16px;
    color: var(--neon-cyan);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.modal-footer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--space-3);
}

.modal-visual {
    position: relative;
    background: var(--void-elevated);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(139, 92, 246, 0.3) 0%, transparent 70%);
}

.modal-orb {
    width: 150px;
    height: 150px;
    background: var(--gradient-primary);
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.6;
    animation: modalOrbFloat 6s ease-in-out infinite;
}

@keyframes modalOrbFloat {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.6;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

@media (max-width: 768px) {
    .modal-content {
        grid-template-columns: 1fr;
        max-width: 500px;
    }

    .modal-visual {
        display: none;
    }

    .modal-body {
        padding: var(--space-6);
    }
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.feature-card,
.article-card,
.testimonial-card {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
    visibility: hidden;
}

.feature-card.in-view,
.article-card.in-view,
.testimonial-card.in-view {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

/* Stagger delays for smoother entrance */
.feature-card:nth-child(1) {
    transition-delay: 0ms;
}

.feature-card:nth-child(2) {
    transition-delay: 100ms;
}

.feature-card:nth-child(3) {
    transition-delay: 200ms;
}

.feature-card:nth-child(4) {
    transition-delay: 300ms;
}

.feature-card:nth-child(5) {
    transition-delay: 400ms;
}

.article-card:nth-child(1) {
    transition-delay: 0ms;
}

.article-card:nth-child(2) {
    transition-delay: 100ms;
}

.article-card:nth-child(3) {
    transition-delay: 200ms;
}

/* ============================================
   3D ANIMATION LOADER
   ============================================ */
.iapl-3d-loader {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--void-deep);
    z-index: 2;
    transition: opacity 0.8s ease-out, visibility 0.8s ease-out;
}

.iapl-3d-loader.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.iapl-loader-ring {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(34, 211, 238, 0.1);
    border-top-color: var(--neon-cyan);
    border-radius: 50%;
    animation: loaderSpin 1s linear infinite;
    margin-bottom: var(--space-4);
    box-shadow: 0 0 15px rgba(34, 211, 238, 0.2);
}

.iapl-loader-text {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--neon-cyan);
    text-transform: uppercase;
    animation: loaderPulse 2s ease-in-out infinite;
    text-shadow: 0 0 10px rgba(34, 211, 238, 0.4);
}

@keyframes loaderSpin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes loaderPulse {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
        text-shadow: 0 0 15px rgba(34, 211, 238, 0.8);
    }
}

/* ============================================
   EBOOK POPUP
   ============================================ */
.ebook-popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 2, 5, 0.8);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    padding: var(--space-4);
}

.ebook-popup-overlay.show {
    opacity: 1;
    visibility: visible;
}

.ebook-popup-content {
    background: var(--void-surface);
    border: 1px solid var(--void-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    position: relative;
    max-width: 700px;
    width: 100%;
    transform: translateY(20px) scale(0.95);
    transition: all var(--transition-spring);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 40px rgba(139, 92, 246, 0.1);
}

.ebook-popup-overlay.show .ebook-popup-content {
    transform: translateY(0) scale(1);
}

.ebook-popup-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--void-border);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
}

.ebook-popup-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.ebook-popup-body {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-8);
    align-items: center;
}

.ebook-popup-image {
    width: 100%;
    border-radius: var(--radius-lg);
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.3));
    transform: translateY(0);
    transition: transform var(--transition-base);
}

.ebook-popup-content:hover .ebook-popup-image {
    transform: translateY(-5px);
}

.ebook-popup-text h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-3);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ebook-popup-text p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

@media (max-width: 768px) {
    .ebook-popup-body {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-6);
    }
    
    .ebook-popup-image {
        max-width: 200px;
        margin: 0 auto;
    }
    
    .ebook-popup-content {
        padding: var(--space-6) var(--space-4);
    }
}