/* ===================================
   CSS Custom Properties (Variables)
   =================================== */
:root {
    --cosmic-dark: #0a0e27;
    --cosmic-blue: #1a2332;
    --hydrogen-cyan: #00d4ff;
    --hydrogen-purple: #8b5cf6;
    --cosmic-accent: #ff6b9d;
    --text-light: #e0e7ff;
    --card-bg: rgba(26, 35, 50, 0.85);
}

/* ===================================
   Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-light);
    background-color: var(--cosmic-dark);
    overflow-x: hidden;
    line-height: 1.6;
}

/* ===================================
   Cosmic Animated Background
   =================================== */
.cosmic-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
}

/* Starfield animations */
.stars,
.stars2,
.stars3 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
}

.stars {
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #eee, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 60px 70px, #fff, rgba(0,0,0,0)),
        radial-gradient(1px 1px at 50px 50px, #ddd, rgba(0,0,0,0)),
        radial-gradient(1px 1px at 130px 80px, #fff, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 90px 10px, #eee, rgba(0,0,0,0));
    background-repeat: repeat;
    background-size: 200px 200px;
    animation: twinkle 5s ease-in-out infinite;
    opacity: 0.4;
}

.stars2 {
    background-image: 
        radial-gradient(1px 1px at 100px 120px, #fff, rgba(0,0,0,0)),
        radial-gradient(1px 1px at 150px 90px, #ddd, rgba(0,0,0,0)),
        radial-gradient(1px 1px at 40px 60px, #eee, rgba(0,0,0,0));
    background-repeat: repeat;
    background-size: 300px 300px;
    animation: twinkle 7s ease-in-out infinite;
    animation-delay: 1s;
    opacity: 0.3;
}

.stars3 {
    background-image: 
        radial-gradient(1px 1px at 200px 150px, var(--hydrogen-cyan), rgba(0,0,0,0)),
        radial-gradient(1px 1px at 250px 80px, var(--hydrogen-purple), rgba(0,0,0,0)),
        radial-gradient(2px 2px at 180px 200px, var(--cosmic-accent), rgba(0,0,0,0));
    background-repeat: repeat;
    background-size: 400px 400px;
    animation: twinkle 10s ease-in-out infinite;
    animation-delay: 2s;
    opacity: 0.2;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

/* ===================================
   Main Container
   =================================== */
.main-container {
    position: relative;
    z-index: 1;
    padding: 2rem 1rem;
    min-height: 100vh;
}

/* ===================================
   Logo Section
   =================================== */
.logo-section {
    margin-top: 3rem;
    margin-bottom: 3rem;
    animation: fadeInDown 1s ease-out;
}

.logo-container {
    position: relative;
}

.logo-image {
    /* max-width: 300px; */
    max-width: 500px;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 0 20px var(--hydrogen-cyan));
    animation: floatAnimation 3s ease-in-out infinite;
}

.logo-placeholder {
    padding: 2rem;
}

.cosmic-title {
    font-size: 3rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--hydrogen-cyan), var(--hydrogen-purple), var(--cosmic-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
    margin-bottom: 0.5rem;
    animation: glow 2s ease-in-out infinite alternate;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 3px;
    opacity: 0.8;
}

/* ===================================
   Content Section
   =================================== */
.content-section {
    margin-bottom: 4rem;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.content-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 15px;
    padding: 3rem;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 0 40px rgba(0, 212, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.4),
        0 0 60px rgba(0, 212, 255, 0.2);
}

.editable-content {
    color: var(--text-light);
}

.section-title {
    color: var(--hydrogen-cyan);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.lead {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: rgba(224, 231, 255, 0.9);
}

/* ===================================
   Footer Section
   =================================== */
.footer-section {
    padding: 2rem 0;
    margin-top: 3rem;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.footer-text {
    color: rgba(224, 231, 255, 0.6);
    font-size: 0.9rem;
    margin: 0;
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes floatAnimation {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes glow {
    from {
        text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
    }
    to {
        text-shadow: 0 0 30px rgba(0, 212, 255, 0.8), 0 0 40px rgba(139, 92, 246, 0.6);
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .cosmic-title {
        font-size: 2rem;
    }

    .content-card {
        padding: 2rem 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .logo-image {
        max-width: 200px;
    }

    .main-container {
        padding: 1rem 0.5rem;
    }
}

@media (max-width: 576px) {
    .cosmic-title {
        font-size: 1.5rem;
    }

    .subtitle {
        font-size: 0.9rem;
        letter-spacing: 2px;
    }

    .content-card {
        padding: 1.5rem 1rem;
    }
}