/* ==========================================================================
   04-LAYOUT.CSS - Layout & Background Elements
   ========================================================================== */

/* Animated Background */
.bg-animation {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: var(--z-background);
    background: var(--dark-blue);
    overflow: hidden;
}

.bg-animation::before {
    content: '';
    position: absolute;
    width: 150%;
    height: 150%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(56, 112, 168, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(40, 255, 176, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(218, 173, 255, 0.1) 0%, transparent 50%);
    animation: float 25s ease-in-out infinite;
}

.bg-animation::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 60% 70%, rgba(255, 217, 63, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 30% 30%, rgba(255, 105, 0, 0.05) 0%, transparent 40%);
    animation: float-reverse 30s ease-in-out infinite;
}

/* Floating Particles */
.particles {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: var(--z-background);
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    animation: particle-float 20s infinite linear;
    opacity: 0;
}

.particle:nth-child(3n) { 
    background: var(--light-blue); 
}
.particle:nth-child(3n+1) { 
    background: var(--mint-green); 
}
.particle:nth-child(3n+2) { 
    background: var(--light-purple); 
}

/* Sections */
section {
    padding: var(--spacing-3xl) var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--spacing-xl);
    position: relative;
}

.hero-content {
    text-align: center;
    max-width: 1100px;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--light-blue);
    margin-bottom: 1rem;
    font-weight: var(--font-weight-semibold);
    animation: fadeInUp 1s ease-out 0.2s both;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-description {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-out 0.4s both;
    font-weight: var(--font-weight-normal);
}

/* Mission Section */
.mission {
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
    position: relative;
    background: linear-gradient(135deg, rgba(56, 112, 168, 0.05), rgba(40, 255, 176, 0.05));
    border-radius: var(--border-radius-xl);
    margin: var(--spacing-xl) auto;
}

.mission-content {
    max-width: 900px;
    margin: 0 auto;
}

.mission-text {
    font-size: 1.3rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    font-weight: var(--font-weight-normal);
}

.mission-highlight {
    color: var(--mint-green);
    font-weight: var(--font-weight-semibold);
}

/* Section Styling */
.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--grey-brown);
    margin-bottom: var(--spacing-xl);
    font-weight: var(--font-weight-normal);
}