/* Karsilas Homepage Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: #0a0a0a;
    color: #fff;
    overflow-x: hidden;
}

/* Animated Gradient Background */
.animated-bg {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    background: linear-gradient(125deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #f5576c 75%, #4facfe 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

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

/* Particle Effect */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: float 20s infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh) translateX(100px); opacity: 0; }
}

/* Header */
.header {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.logo {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #667eea;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    padding: 5px;
}

/* Hero Section with AI Generated Style Background */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    background-image:
        repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(255,255,255,.1) 35px, rgba(255,255,255,.1) 70px),
        repeating-linear-gradient(-45deg, transparent, transparent 35px, rgba(255,255,255,.05) 35px, rgba(255,255,255,.05) 70px);
    animation: patternMove 20s linear infinite;
}

@keyframes patternMove {
    0% { transform: translateX(0); }
    100% { transform: translateX(70px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 72px;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 80px rgba(102, 126, 234, 0.5);
}

.hero-subtitle {
    font-size: 24px;
    color: #a0a0a0;
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 18px 40px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Content Cards with AI Style Images */
.content-section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s;
    position: relative;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(102, 126, 234, 0.5);
}

.card-image {
    width: 100%;
    height: 250px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
}

/* AI Generated Style Backgrounds for Cards */
.ai-bg-1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(255,255,255,0.2) 0%, transparent 50%);
}

.ai-bg-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    background-image:
        linear-gradient(45deg, rgba(255,255,255,0.1) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255,255,255,0.1) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.1) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.1) 75%);
    background-size: 30px 30px;
}

.ai-bg-3 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    background-image:
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(255,255,255,.1) 2px, rgba(255,255,255,.1) 4px),
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255,255,255,.1) 2px, rgba(255,255,255,.1) 4px);
}

.ai-bg-4 {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    position: relative;
}

.ai-bg-4::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle, rgba(255,255,255,0.2) 2px, transparent 2px);
    background-size: 20px 20px;
}

.ai-bg-5 {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    background-image:
        repeating-conic-gradient(from 0deg at 50% 50%, rgba(255,255,255,0) 0deg, rgba(255,255,255,0.1) 20deg, rgba(255,255,255,0) 40deg);
}

.ai-bg-6 {
    background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
    background-image:
        linear-gradient(30deg, rgba(255,255,255,0.1) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.1) 87.5%, rgba(255,255,255,0.1)),
        linear-gradient(150deg, rgba(255,255,255,0.1) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.1) 87.5%, rgba(255,255,255,0.1)),
        linear-gradient(30deg, rgba(255,255,255,0.1) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.1) 87.5%, rgba(255,255,255,0.1)),
        linear-gradient(150deg, rgba(255,255,255,0.1) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.1) 87.5%, rgba(255,255,255,0.1));
    background-size: 40px 70px;
    background-position: 0 0, 0 0, 20px 35px, 20px 35px;
}

.card-content {
    padding: 30px;
}

.card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #fff;
}

.card p {
    color: #a0a0a0;
    line-height: 1.6;
    margin-bottom: 20px;
}

.card-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: gap 0.3s;
}

.card-link:hover {
    gap: 10px;
}

/* Floating Elements */
.float-element {
    position: absolute;
    opacity: 0.1;
    animation: floatElement 20s infinite ease-in-out;
}

@keyframes floatElement {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Stats Section */
.stats-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item {
    padding: 30px;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: #a0a0a0;
    margin-top: 10px;
    font-size: 18px;
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: rgba(10, 10, 10, 0.95);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 100px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer h4 {
    color: #fff;
    margin-bottom: 20px;
}

.footer ul {
    list-style: none;
}

.footer a {
    color: #a0a0a0;
    text-decoration: none;
    display: block;
    padding: 5px 0;
    transition: color 0.3s;
}

.footer a:hover {
    color: #667eea;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 48px; }
    .hero-subtitle { font-size: 18px; }
    .section-title { font-size: 36px; }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: block;
    }

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