/* Base Styles */
body {
    font-family: sans-serif;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-primary) url('../assets/images/unified_cosmic_background.webp') center center fixed;
    background-size: cover;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Hero Background */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../assets/images/hero_section_background_no_text-min.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

@media (max-width: 768px) {
    .hero-background {
        background-image: url('../assets/images/hero_section_background_mobile-min.png');
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: sans-serif;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    color: var(--color-text-primary);
}

h1 {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-black);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

p {
    margin-bottom: var(--space-lg);
    color: var(--color-text-secondary);
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--space-2xl);
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.hidden {
    display: none !important;
}

/* Animation utilities */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(59, 130, 246, 0.6);
    }
}

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

.animate-slide-up {
    animation: slideInUp 0.8s ease-out;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

/* Responsive utilities */
@media (max-width: 767px) {
    .hidden-mobile {
        display: none !important;
    }
}

@media (min-width: 768px) {
    .hidden-desktop {
        display: none !important;
    }
}