/* =====================================================
   KAYOS Intelligence - Dark Theme with Neon Accents
   ===================================================== */

:root {
    /* Dark Palette */
    --bg-primary: #0a0e27;
    --bg-secondary: #0f1535;
    --bg-tertiary: #151d42;
    --bg-card: rgba(21, 29, 66, 0.6);
    
    /* Neon Colors */
    --neon-blue: #00d9ff;
    --neon-purple: #b84cff;
    --neon-pink: #ff006e;
    --neon-green: #00ff88;
    --neon-orange: #ff6b35;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-purple) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--neon-pink) 0%, var(--neon-orange) 100%);
    --gradient-tertiary: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-blue) 100%);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b8c4db;
    --text-tertiary: #7d8da6;
    
    /* Shadows & Glows */
    --glow-blue: 0 0 20px rgba(0, 217, 255, 0.5);
    --glow-purple: 0 0 20px rgba(184, 76, 255, 0.5);
    --glow-pink: 0 0 20px rgba(255, 0, 110, 0.5);
    
    /* Fonts */
    --font-primary: 'Orbitron', sans-serif;
    --font-secondary: 'Rajdhani', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* =====================================================
   Global Styles
   ===================================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* =====================================================
   Neural Network Canvas Background
   ===================================================== */

#neuralNetwork {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.3;
    pointer-events: none;
}

/* =====================================================
   Navigation
   ===================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 217, 255, 0.1);
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 14, 39, 0.95);
    box-shadow: 0 4px 30px rgba(0, 217, 255, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-family: var(--font-primary);
    font-size: 24px;
    font-weight: 700;
    cursor: pointer;
    position: relative;
}

/* Container especial para destacar a logo - ULTRA HALO */
.nav-logo::before {
    content: '';
    position: absolute;
    left: -10px;  /* Mais sutil */
    top: 50%;
    transform: translateY(-50%);
    width: 75px;  /* Menor e mais elegante */
    height: 75px;
    background: radial-gradient(circle, 
        rgba(0, 217, 255, 0.12) 0%, 
        rgba(184, 76, 255, 0.08) 40%,
        transparent 70%);
    border-radius: 50%;
    z-index: -1;
    animation: logoHalo 3s ease-in-out infinite;
}

@keyframes logoHalo {
    0%, 100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.08);
    }
}

.logo-img {
    width: 55px;  /* Tamanho refinado */
    height: 55px;
    /* Destaque elegante e estiloso */
    filter: 
        brightness(1.4)  /* Sutil mas visível */
        contrast(1.25)
        drop-shadow(0 0 8px rgba(0, 217, 255, 0.8))
        drop-shadow(0 0 15px rgba(0, 217, 255, 0.6))
        drop-shadow(0 0 25px rgba(184, 76, 255, 0.4));
    animation: logoGlow 3s ease-in-out infinite;
    background: radial-gradient(circle, 
        rgba(0, 217, 255, 0.15) 0%, 
        transparent 70%);
    border-radius: 50%;
    padding: 2px;
}

/* Animação de brilho pulsante da logo - Elegante e refinada */
@keyframes logoGlow {
    0%, 100% { 
        filter: 
            brightness(1.4)
            contrast(1.25)
            drop-shadow(0 0 8px rgba(0, 217, 255, 0.8))
            drop-shadow(0 0 15px rgba(0, 217, 255, 0.6))
            drop-shadow(0 0 25px rgba(184, 76, 255, 0.4));
        transform: scale(1);
    }
    50% { 
        filter: 
            brightness(1.6)
            contrast(1.35)
            drop-shadow(0 0 12px rgba(0, 217, 255, 0.9))
            drop-shadow(0 0 20px rgba(0, 217, 255, 0.7))
            drop-shadow(0 0 35px rgba(184, 76, 255, 0.5));
        transform: scale(1.03);
    }
}

@keyframes pulse {
    0%, 100% { filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.5)); }
    50% { filter: drop-shadow(0 0 25px rgba(0, 217, 255, 0.8)); }
}

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

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    position: relative;
    transition: var(--transition-normal);
    padding: 5px 0;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--neon-blue);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--neon-blue);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* =====================================================
   Hero Section
   ===================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 120px 40px 80px;
    position: relative;
    z-index: 1;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid var(--neon-blue);
    border-radius: 50px;
    color: var(--neon-blue);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 30px;
    animation: fadeInUp 0.6s ease;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--neon-blue);
    border-radius: 50%;
    animation: pulseDot 2s ease-in-out infinite;
    box-shadow: var(--glow-blue);
}

@keyframes pulseDot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.7; }
}

.hero-title {
    font-family: var(--font-primary);
    font-size: 56px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 25px;
    animation: fadeInUp 0.8s ease;
}

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

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
    animation: fadeInUp 1s ease;
}

.hero-subtitle .highlight {
    color: var(--neon-green);
    font-weight: 700;
    font-size: 24px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
    animation: fadeInUp 1.2s ease;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(0, 217, 255, 0.05);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 10px;
    transition: var(--transition-normal);
}

.stat-item:hover {
    background: rgba(0, 217, 255, 0.1);
    border-color: var(--neon-blue);
    transform: translateY(-5px);
    box-shadow: var(--glow-blue);
}

.stat-value {
    font-family: var(--font-primary);
    font-size: 36px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    animation: fadeInUp 1.4s ease;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 35px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    font-family: var(--font-secondary);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 217, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--neon-blue);
    color: var(--neon-blue);
}

.btn-secondary:hover {
    background: rgba(0, 217, 255, 0.1);
    transform: translateY(-3px);
}

/* Hero Visual Cards */
.hero-visual {
    flex: 1;
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    padding: 25px;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: var(--transition-normal);
}

.floating-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--glow-blue), 0 20px 60px rgba(0, 0, 0, 0.5);
}

.card-icon {
    font-size: 32px;
}

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

.card-1 {
    top: 10%;
    left: 10%;
    animation: float 6s ease-in-out infinite;
}

.card-2 {
    top: 30%;
    right: 10%;
    animation: float 7s ease-in-out infinite 1s;
}

.card-3 {
    bottom: 30%;
    left: 5%;
    animation: float 8s ease-in-out infinite 2s;
}

.card-4 {
    bottom: 10%;
    right: 15%;
    animation: float 6.5s ease-in-out infinite 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =====================================================
   Section Headers
   ===================================================== */

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(184, 76, 255, 0.1);
    border: 1px solid var(--neon-purple);
    border-radius: 50px;
    color: var(--neon-purple);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-primary);
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* =====================================================
   Ecosystem Section
   ===================================================== */

.ecosystem {
    padding: 120px 40px;
    position: relative;
    z-index: 1;
}

.ecosystem-diagram {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ecosystem-center {
    position: relative;
    z-index: 10;
}

.ecosystem-logo {
    width: 130px;  /* Tamanho elegante */
    height: 130px;
    /* Destaque refinado e estiloso para logo central */
    filter: 
        brightness(1.5)
        contrast(1.3)
        drop-shadow(0 0 15px rgba(0, 217, 255, 0.9))
        drop-shadow(0 0 30px rgba(0, 217, 255, 0.7))
        drop-shadow(0 0 50px rgba(184, 76, 255, 0.5));
    animation: ecosystemLogoGlow 4s ease-in-out infinite;
    background: radial-gradient(circle, 
        rgba(0, 217, 255, 0.2) 0%, 
        rgba(184, 76, 255, 0.15) 30%,
        transparent 60%);
    border-radius: 50%;
    padding: 12px;
    position: relative;
    z-index: 10;
}

@keyframes ecosystemLogoGlow {
    0%, 100% { 
        filter: 
            brightness(1.5)
            contrast(1.3)
            drop-shadow(0 0 15px rgba(0, 217, 255, 0.9))
            drop-shadow(0 0 30px rgba(0, 217, 255, 0.7))
            drop-shadow(0 0 50px rgba(184, 76, 255, 0.5));
        transform: scale(1) rotate(0deg);
    }
    50% { 
        filter: 
            brightness(1.7)
            contrast(1.4)
            drop-shadow(0 0 20px rgba(0, 217, 255, 1))
            drop-shadow(0 0 40px rgba(0, 217, 255, 0.8))
            drop-shadow(0 0 65px rgba(184, 76, 255, 0.6));
        transform: scale(1.05) rotate(3deg);
    }
}

.pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border: 2px solid var(--neon-blue);
    border-radius: 50%;
    animation: pulseRing 3s ease-out infinite;
}

.pulse-ring.delay-1 {
    animation-delay: 1s;
}

.pulse-ring.delay-2 {
    animation-delay: 2s;
}

@keyframes pulseRing {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(3);
        opacity: 0;
    }
}

.ecosystem-nodes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.ecosystem-node {
    position: absolute;
    cursor: pointer;
    transition: var(--transition-normal);
}

.node-content {
    padding: 20px;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(0, 217, 255, 0.3);
    border-radius: 15px;
    text-align: center;
    transition: var(--transition-normal);
}

.ecosystem-node:hover .node-content {
    border-color: var(--neon-blue);
    box-shadow: var(--glow-blue);
    transform: scale(1.1);
}

.node-icon {
    font-size: 40px;
    margin-bottom: 10px;
}

.node-name {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 16px;
    color: var(--neon-blue);
}

.connection-line {
    position: absolute;
    width: 2px;
    height: 100px;
    background: linear-gradient(to bottom, var(--neon-blue), transparent);
    top: 50%;
    left: 50%;
    transform-origin: top;
    opacity: 0.3;
}

/* Position nodes in circle */
.node-1 { top: 0; left: 50%; transform: translateX(-50%); }
.node-2 { top: 20%; right: 10%; }
.node-3 { top: 60%; right: 5%; }
.node-4 { top: 60%; left: 5%; }
.node-5 { top: 20%; left: 10%; }

/* =====================================================
   Products Section
   ===================================================== */

.products {
    padding: 120px 40px;
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 20px;
    padding: 35px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--neon-blue);
    box-shadow: 0 20px 60px rgba(0, 217, 255, 0.2);
}

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

.product-card.featured {
    border: 2px solid var(--neon-purple);
    background: rgba(184, 76, 255, 0.05);
}

.product-card.featured::before {
    background: var(--gradient-secondary);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 5px 15px;
    background: var(--gradient-secondary);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.product-icon {
    font-size: 48px;
}

.product-badge {
    padding: 5px 15px;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid var(--neon-blue);
    border-radius: 50px;
    font-size: 12px;
    color: var(--neon-blue);
    font-weight: 600;
}

.product-title {
    font-family: var(--font-primary);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 25px;
}

.product-features {
    margin-bottom: 25px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.check-icon {
    width: 20px;
    height: 20px;
    color: var(--neon-green);
}

.product-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    padding-top: 25px;
    border-top: 1px solid rgba(0, 217, 255, 0.1);
}

.stat {
    flex: 1;
    text-align: center;
}

.stat-number {
    font-family: var(--font-primary);
    font-size: 24px;
    font-weight: 700;
    color: var(--neon-blue);
    margin-bottom: 5px;
}

.stat-text {
    font-size: 12px;
    color: var(--text-tertiary);
    text-transform: uppercase;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--neon-blue);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.product-link:hover {
    gap: 12px;
}

/* =====================================================
   Technology Section
   ===================================================== */

.technology {
    padding: 120px 40px;
    position: relative;
    z-index: 1;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.tech-card {
    padding: 40px 30px;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(184, 76, 255, 0.2);
    border-radius: 20px;
    text-align: center;
    transition: var(--transition-normal);
}

.tech-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-purple);
    box-shadow: var(--glow-purple);
}

.tech-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.tech-card h3 {
    font-family: var(--font-primary);
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--neon-purple);
}

.tech-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.comparison-table {
    margin-top: 80px;
}

.comparison-title {
    font-family: var(--font-primary);
    font-size: 32px;
    text-align: center;
    margin-bottom: 40px;
    background: var(--gradient-tertiary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.table-responsive {
    overflow-x: auto;
}

table.comparison {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    overflow: hidden;
}

table.comparison thead {
    background: rgba(0, 217, 255, 0.1);
}

table.comparison th {
    padding: 20px;
    text-align: left;
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--neon-blue);
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 1px;
}

table.comparison td {
    padding: 20px;
    border-bottom: 1px solid rgba(0, 217, 255, 0.1);
    color: var(--text-secondary);
}

table.comparison tr:hover {
    background: rgba(0, 217, 255, 0.05);
}

table.comparison .highlight {
    color: var(--neon-green);
    font-weight: 700;
    font-size: 18px;
}

table.comparison .success {
    color: var(--neon-green);
    font-weight: 700;
}

table.comparison .total-row {
    background: rgba(0, 217, 255, 0.1);
    border-top: 2px solid var(--neon-blue);
}

table.comparison .total-row td {
    border-bottom: none;
}

/* =====================================================
   Contact Section
   ===================================================== */

.contact {
    padding: 120px 40px;
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.contact-card {
    padding: 40px;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 0, 110, 0.2);
    border-radius: 20px;
    text-align: center;
    transition: var(--transition-normal);
}

.contact-card:hover {
    transform: translateY(-10px);
    border-color: var(--neon-pink);
    box-shadow: var(--glow-pink);
}

.contact-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.contact-card h3 {
    font-family: var(--font-primary);
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--neon-pink);
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.contact-link {
    display: inline-block;
    padding: 12px 30px;
    background: transparent;
    border: 2px solid var(--neon-pink);
    border-radius: 50px;
    color: var(--neon-pink);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
}

.contact-link:hover {
    background: rgba(255, 0, 110, 0.1);
    transform: scale(1.05);
}

/* =====================================================
   Footer
   ===================================================== */

.footer {
    background: var(--bg-tertiary);
    padding: 60px 40px 30px;
    border-top: 1px solid rgba(0, 217, 255, 0.1);
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 350px;
}

.footer-logo {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    filter: drop-shadow(var(--glow-blue));
}

.footer-text {
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer-column h4 {
    font-family: var(--font-primary);
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--neon-blue);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: var(--neon-blue);
    padding-left: 5px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(0, 217, 255, 0.1);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 14px;
}

.footer-bottom p:first-child {
    margin-bottom: 10px;
}

/* =====================================================
   Responsive Design
   ===================================================== */

@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 140px;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-visual {
        height: 400px;
        width: 100%;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 90px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 90px);
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        padding-top: 50px;
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 15px 20px;
    }
    
    .logo-img {
        width: 40px;
        height: 40px;
    }
    
    .logo-text {
        font-size: 18px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .product-card,
    .tech-card,
    .contact-card {
        padding: 25px;
    }
}

/* =====================================================
   Animations & Utilities
   ===================================================== */

[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

/* Smooth scrolling */
html {
    scroll-padding-top: 100px;
}

/* Selection */
::selection {
    background: var(--neon-blue);
    color: var(--bg-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--neon-blue);
    border-radius: 5px;
}

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