/* ===========================================
   LUMINA INTELLIGENCE v2.5 - ENHANCED VISUAL DESIGN
   Aplicando: Color Theory, Glassmorphism, Micro-interactions,
   Scroll Animations, Particle Effects, Emotional Design
   =========================================== */

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

:root {
    /* Color System - Complementary + Analogous */
    --primary-orange: #FF6B00;
    --primary-orange-light: #FF8533;
    --primary-orange-dark: #CC5500;
    --primary-blue: #3498db;
    --primary-blue-light: #5DADE2;
    --primary-blue-dark: #2E86C1;
    --accent-green: #2ecc71;
    --accent-green-light: #58D68D;
    --accent-purple: #9b59b6;
    --accent-red: #e74c3c;
    
    /* Glassmorphism Colors */
    --glass-bg: rgba(18, 18, 18, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: rgba(0, 0, 0, 0.5);
    
    /* Backgrounds */
    --bg-dark: #0a0a0a;
    --bg-card: #121212;
    --bg-hover: #1a1a1a;
    
    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #808080;
    
    /* Golden Ratio Spacing */
    --space-xs: 8px;
    --space-sm: 13px;
    --space-md: 21px;
    --space-lg: 34px;
    --space-xl: 55px;
    --space-xxl: 89px;
    
    /* Shadows & Depth */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.4);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ===========================================
   GLOBAL STYLES
   =========================================== */

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(255, 107, 0, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(52, 152, 219, 0.05) 0%, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.618;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-orange) 0%, var(--primary-blue) 100%);
    border-radius: 6px;
    border: 2px solid var(--bg-dark);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-orange-light) 0%, var(--primary-blue-light) 100%);
}

/* Selection */
::selection {
    background: var(--primary-orange);
    color: white;
}

/* ===========================================
   HERO SECTION - ENHANCED
   =========================================== */

.hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xxl) var(--space-md);
    overflow: hidden;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a0a0a 30%, #0a0a1a 70%, #0a0a0a 100%);
    border-bottom: 3px solid var(--primary-orange);
}

/* Particle System */
.hero::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(255, 107, 0, 0.3), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(52, 152, 219, 0.3), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(1px 1px at 80% 10%, rgba(46, 204, 113, 0.2), transparent);
    background-size: 200% 200%;
    animation: particleMove 20s ease-in-out infinite;
    opacity: 0.4;
}

@keyframes particleMove {
    0%, 100% { background-position: 0% 0%; }
    50% { background-position: 100% 100%; }
}

/* Gradient Orb */
.hero::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.15) 0%, transparent 70%);
    filter: blur(80px);
    animation: orbFloat 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes orbFloat {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% { 
        transform: translate(-30%, -30%) scale(1.2);
        opacity: 0.8;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    text-align: center;
}

/* Logo/Icon Animation */
.hero-icon {
    font-size: 5em;
    margin-bottom: var(--space-md);
    display: inline-block;
    animation: iconPulse 2s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(255, 107, 0, 0.5));
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.hero h1 {
    font-size: clamp(2.5em, 6vw, 5em);
    font-weight: 900;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, 
        var(--text-primary) 0%, 
        var(--primary-orange) 30%, 
        var(--primary-blue) 60%,
        var(--text-primary) 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s linear infinite, fadeInUp 0.8s ease-out;
    letter-spacing: -2px;
    text-shadow: 0 0 40px rgba(255, 107, 0, 0.3);
}

@keyframes shimmer {
    to { background-position: 200% center; }
}

.hero .tagline {
    font-size: clamp(1.2em, 2.5vw, 1.6em);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s ease-out 0.2s both;
    font-weight: 300;
    line-height: 1.8;
}

/* Stats Banner - Glassmorphism */
.stats-banner {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.stat-badge {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    padding: var(--space-lg);
    border-radius: 20px;
    min-width: 180px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.stat-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--transition-slow);
}

.stat-badge:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-orange);
}

.stat-badge:hover::before {
    left: 100%;
}

.stat-badge .number {
    font-size: 3em;
    font-weight: 900;
    color: var(--primary-orange);
    display: block;
    margin-bottom: var(--space-xs);
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: countUp 1s ease-out 0.6s both;
}

@keyframes countUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.stat-badge .label {
    font-size: 0.9em;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

/* ===========================================
   ANIMATIONS
   =========================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px var(--primary-orange); }
    50% { box-shadow: 0 0 20px var(--primary-orange), 0 0 30px var(--primary-orange); }
}

/* Scroll Reveal - Aplica automaticamente */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-slow);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ===========================================
   BUTTONS - MICRO-INTERACTIONS
   =========================================== */

.btn {
    position: relative;
    padding: var(--space-md) var(--space-xl);
    border-radius: 16px;
    font-size: 1.1em;
    font-weight: 700;
    cursor: pointer;
    border: none;
    overflow: hidden;
    transition: all var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    box-shadow: var(--shadow-md);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width var(--transition-bounce), height var(--transition-bounce);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--accent-red) 100%);
    color: white;
    position: relative;
    z-index: 1;
}

.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-orange-light) 0%, var(--accent-red) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(255, 107, 0, 0.6);
}

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

.btn-primary:active {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 0, 0.4);
}

/* Loading State */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid white;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ===========================================
   CARDS - ADVANCED GLASSMORPHISM
   =========================================== */

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-orange) 0%, var(--primary-blue) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(255, 107, 0, 0.5);
}

.card:hover::before {
    transform: scaleX(1);
}

/* Card Shine Effect */
.card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.05) 50%,
        transparent 70%
    );
    transform: rotate(45deg);
    transition: all var(--transition-slow);
    pointer-events: none;
}

.card:hover::after {
    right: -150%;
}

/* ===========================================
   PROGRESS & FEEDBACK
   =========================================== */

.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-orange) 0%, var(--primary-blue) 100%);
    border-radius: 3px;
    transition: width var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmerProgress 2s infinite;
}

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

/* Success/Error Toast */
.toast {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    padding: var(--space-md) var(--space-lg);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    animation: slideInRight 0.4s ease-out;
    z-index: 10000;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.success {
    border-left: 4px solid var(--accent-green);
}

.toast.error {
    border-left: 4px solid var(--accent-red);
}

/* ===========================================
   RESPONSIVE
   =========================================== */

@media (max-width: 768px) {
    .hero {
        min-height: 60vh;
        padding: var(--space-xl) var(--space-md);
    }
    
    .hero h1 {
        font-size: 2.5em;
        letter-spacing: -1px;
    }
    
    .stats-banner {
        flex-direction: column;
        align-items: stretch;
    }
    
    .stat-badge {
        min-width: auto;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===========================================
   UTILITY CLASSES
   =========================================== */

.text-gradient {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glow-orange {
    box-shadow: 0 0 20px rgba(255, 107, 0, 0.5);
}

.glow-blue {
    box-shadow: 0 0 20px rgba(52, 152, 219, 0.5);
}

.glow-green {
    box-shadow: 0 0 20px rgba(46, 204, 113, 0.5);
}