* {
    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: #e8e8e8;
    background-color: #0d1117;
    overflow-x: hidden;
}

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #0d1117 0%, #161b22 50%, #0d1117 100%);
}

.bg-animation::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(100, 150, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(200, 200, 200, 0.02) 0%, transparent 50%);
    animation: drift 20s ease-in-out infinite;
}

@keyframes drift {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(50px, -50px) rotate(120deg);
    }
    66% {
        transform: translate(-50px, 50px) rotate(240deg);
    }
}

/* Particles Canvas */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* Navigation */
nav {
    padding: 15px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(13, 17, 23, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 1000;
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
}

.logo-letters {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, #b0b0b0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -2px;
    transition: all 0.3s ease;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.2));
}

.logo-container:hover .logo-letters {
    filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.4));
    transform: scale(1.05);
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.5px;
}

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

.nav-links a {
    color: #e8e8e8;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-links a:hover {
    color: #ffffff;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #ffffff, #a0a0a0);
    transition: width 0.3s;
}

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

/* Section Titles */
.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 20px;
    color: #ffffff;
    font-weight: 700;
    letter-spacing: -1px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: #a8a8a8;
    margin-bottom: 60px;
}

/* Footer */
footer {
    background: rgba(13, 17, 23, 0.9);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 40px 20px;
    text-align: center;
}

footer p {
    color: #a8a8a8;
}

/* Loading animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #0d1117;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s;
}

.loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
    .logo-letters {
        font-size: 1.5rem;
    }

    .nav-links {
        display: none;
    }
}