/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: linear-gradient(135deg, #0a0f1c 0%, #1a2332 50%, #2a3441 100%);
    min-height: 100vh;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 15, 28, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, #00ff88, #00ccff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #00ff88;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, #00ff88, #00ccff);
    transition: width 0.3s ease;
}

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

.contact-btn {
    background: linear-gradient(45deg, #00ff88, #00ccff);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    color: #0a0f1c !important;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 255, 136, 0.3);
}

.contact-btn::after {
    display: none;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
    z-index: 2;
    position: relative;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.highlight {
    background: linear-gradient(45deg, #00ff88, #00ccff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #b0b8c4;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(45deg, #00ff88, #00ccff);
    color: #0a0f1c;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 255, 136, 0.4);
}

.hero-visual {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    width: 300px;
    height: 300px;
    z-index: 1;
}

.floating-element {
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 255, 136, 0.1), rgba(0, 204, 255, 0.1));
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    position: relative;
}

.floating-element::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 20%;
    width: 60%;
    height: 60%;
    background: linear-gradient(45deg, rgba(0, 255, 136, 0.2), rgba(0, 204, 255, 0.2));
    border-radius: 50%;
    animation: float 4s ease-in-out infinite reverse;
}

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

/* Overview Section */
.overview {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.02);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #b0b8c4;
    text-align: center;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.overview-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.overview-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 255, 136, 0.3);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.overview-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #00ff88;
}

.overview-card p {
    color: #b0b8c4;
    line-height: 1.6;
}

/* Timeline Section */
.timeline-section {
    padding: 80px 0;
}

.timeline-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline-line {
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #00ff88, #00ccff);
    opacity: 0.6;
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 80px;
    opacity: 0;
    transform: translateX(-30px);
    animation: slideInLeft 0.6s ease forwards;
}

.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.4s; }
.timeline-item:nth-child(4) { animation-delay: 0.6s; }
.timeline-item:nth-child(5) { animation-delay: 0.8s; }

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.timeline-marker {
    position: absolute;
    left: -50px;
    top: 0;
}

.marker-dot {
    width: 20px;
    height: 20px;
    background: linear-gradient(45deg, #00ff88, #00ccff);
    border-radius: 50%;
    border: 3px solid #0a0f1c;
    position: relative;
    z-index: 2;
}

.marker-line {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 60px;
    background: rgba(0, 255, 136, 0.3);
}

.timeline-content {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 255, 136, 0.3);
    transform: translateY(-2px);
}

.timeline-period {
    color: #00ff88;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.timeline-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ffffff;
}

.timeline-events {
    list-style: none;
}

.timeline-events li {
    color: #b0b8c4;
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
    line-height: 1.5;
}

.timeline-events li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #00ccff;
    font-weight: bold;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(45deg, rgba(0, 255, 136, 0.1), rgba(0, 204, 255, 0.1));
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    color: #b0b8c4;
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    padding: 2rem 0;
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    text-align: center;
}

.footer-text p {
    color: #b0b8c4;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        gap: 1rem;
    }
    
    .hero {
        padding: 100px 0 60px;
        text-align: center;
    }
    
    .hero-visual {
        position: relative;
        top: auto;
        right: auto;
        transform: none;
        margin-top: 2rem;
        width: 200px;
        height: 200px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .timeline-container {
        padding-left: 1rem;
    }
    
    .timeline-line {
        left: 15px;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .timeline-marker {
        left: -35px;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }
    
    .overview-card {
        padding: 1.5rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

::-webkit-scrollbar-track {
    background: #1a2332;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #00ff88, #00ccff);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #00ccff, #00ff88);
}