/* ============================================
   Modern Design System - ZEDOTECH
   ============================================ */

:root {
    /* Color Palette - Tech Focused */
    --primary-bg: #0a0a0f;
    --secondary-bg: #12121a;
    --accent-cyan: #00f5ff;
    --accent-purple: #b24bf3;
    --accent-pink: #ff2e97;
    --accent-yellow: #fddd43;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b2;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;

    /* Effects */
    --blur-sm: 10px;
    --blur-md: 20px;
    --blur-lg: 40px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Base Styles
   ============================================ */

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Animated Background */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a0a2e 50%, #0a0a0f 100%);
}

.animated-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%,
            rgba(0, 245, 255, 0.1) 0%,
            transparent 50%);
    animation: rotate 20s linear infinite;
}

.animated-bg::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%,
            rgba(178, 75, 243, 0.15) 0%,
            transparent 40%),
        radial-gradient(circle at 70% 50%,
            rgba(255, 46, 151, 0.15) 0%,
            transparent 40%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

@keyframes float {

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

    50% {
        transform: translateY(-20px);
    }
}

@keyframes glow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
    }

    50% {
        box-shadow: 0 0 40px rgba(0, 245, 255, 0.6);
    }
}

/* ============================================
   Glass Morphism Components
   ============================================ */

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    transition: var(--transition);
}

.glass:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

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

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(var(--blur-md));
    border-bottom: 1px solid var(--glass-border);
}

.navbar .container-fluid {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
    filter: brightness(1.2);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 10px;
    transition: var(--transition);
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link:hover::before {
    transform: translateX(-50%) scaleX(1);
}

.nav-link i {
    font-size: 1.1rem;
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background: rgba(10, 10, 15, 0.95);
        backdrop-filter: blur(var(--blur-md));
        padding: var(--spacing-md);
        border-radius: 20px;
        transition: var(--transition);
        width: 80%;
        max-width: 300px;
    }

    .nav-links.active {
        right: var(--spacing-sm);
    }
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 900px;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg,
            var(--accent-cyan) 0%,
            var(--accent-purple) 50%,
            var(--accent-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: float 6s ease-in-out infinite;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-description ul {
    text-align: left;
    list-style: none;
    display: inline-block;
    margin: var(--spacing-md) 0;
}

.hero-description li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: 2rem;
}

.hero-description li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-size: 1.5rem;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transition: width 0.6s, height 0.6s;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: var(--text-primary);
    box-shadow: 0 10px 30px rgba(0, 245, 255, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 15px 40px rgba(0, 245, 255, 0.5);
    transform: translateY(-3px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--accent-cyan);
}

.btn-secondary:hover {
    background: var(--accent-cyan);
    color: var(--primary-bg);
    box-shadow: 0 10px 30px rgba(0, 245, 255, 0.3);
    transform: translateY(-3px);
}

/* ============================================
   Section Styles
   ============================================ */

.section {
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title p {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

/* ============================================
   Feature Cards
   ============================================ */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.feature-card {
    position: relative;
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
            rgba(0, 245, 255, 0.1),
            rgba(178, 75, 243, 0.1));
    opacity: 0;
    transition: var(--transition);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    background: linear-gradient(135deg,
            rgba(0, 245, 255, 0.2),
            rgba(178, 75, 243, 0.2));
    transition: var(--transition);
}

.feature-icon img {
    max-width: 50px;
    max-height: 50px;
    filter: brightness(1.2);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotateY(360deg);
    background: linear-gradient(135deg,
            rgba(0, 245, 255, 0.4),
            rgba(178, 75, 243, 0.4));
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   Collaboration Section
   ============================================ */

.collab-container {
    max-width: 1400px;
    margin: 0 auto;
}

.collab-item {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.collab-item:nth-child(even) {
    direction: rtl;
}

.collab-item:nth-child(even)>* {
    direction: ltr;
}

.collab-content {
    padding: var(--spacing-md);
}

.collab-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.collab-icon i {
    font-size: 2rem;
    color: var(--text-primary);
}

.collab-content h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.collab-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.collab-content ul {
    list-style: none;
    padding: 0;
}

.collab-content li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 2rem;
}

.collab-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: bold;
}

.collab-image {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.collab-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.collab-image:hover img {
    transform: scale(1.05);
}

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

.footer {
    background: var(--secondary-bg);
    padding: var(--spacing-md);
    text-align: center;
    border-top: 1px solid var(--glass-border);
}

.footer p {
    color: var(--text-secondary);
    margin: 0;
}

.footer a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: var(--transition);
}

.footer a:hover {
    color: var(--accent-purple);
}

/* ============================================
   Scroll to Top Button
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: var(--text-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 245, 255, 0.3);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 245, 255, 0.5);
}

/* ============================================
   Utility Classes
   ============================================ */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mb-1 {
    margin-bottom: var(--spacing-xs);
}

.mb-2 {
    margin-bottom: var(--spacing-sm);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.mb-5 {
    margin-bottom: var(--spacing-xl);
}

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

@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
    }

    .hero {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

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

    .collab-item {
        grid-template-columns: 1fr;
    }

    .collab-item:nth-child(even) {
        direction: ltr;
    }
}

/* ============================================
   Loading Animation
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeIn 0.8s ease-out forwards;
}

/* Stagger animations for feature cards */
.feature-card:nth-child(1) {
    animation-delay: 0.1s;
}

.feature-card:nth-child(2) {
    animation-delay: 0.2s;
}

.feature-card:nth-child(3) {
    animation-delay: 0.3s;
}

.feature-card:nth-child(4) {
    animation-delay: 0.4s;
}

.feature-card:nth-child(5) {
    animation-delay: 0.5s;
}

.feature-card:nth-child(6) {
    animation-delay: 0.6s;
}

.feature-card:nth-child(7) {
    animation-delay: 0.7s;
}

.feature-card:nth-child(8) {
    animation-delay: 0.8s;
}

.feature-card:nth-child(9) {
    animation-delay: 0.9s;
}

.feature-card:nth-child(10) {
    animation-delay: 1s;
}

.feature-card:nth-child(11) {
    animation-delay: 1.1s;
}

.feature-card:nth-child(12) {
    animation-delay: 1.2s;
}