/* 
   Atmospheric Sovereignty & Geophysical Aesthetics Authority
   Design System: Aero-Minimalism
*/

:root {
    --color-bg: #001F3F; /* Stratosphere Deep Blue */
    --color-accent: #00FFAB; /* Aurora Neon Green */
    --color-frame: #E0E0E0; /* Lightning Silver White */
    --color-secondary: #4A90E2; /* Cumulus Gray Blue */
    --color-text: #F8F9FA;
    --color-glass: rgba(255, 255, 255, 0.05);
    --color-glass-border: rgba(255, 255, 255, 0.1);
    --font-tech: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-tech);
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.accent-text {
    color: var(--color-accent);
    text-shadow: 0 0 10px var(--color-accent);
}

/* Layout Components */
.glass-panel {
    background: var(--color-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-glass-border);
    border-radius: 4px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.glass-panel:hover {
    border-color: var(--color-accent);
    box-shadow: 0 0 20px rgba(0, 255, 171, 0.1);
}

/* Navigation */
.navbar {
    background: rgba(0, 31, 63, 0.8);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--color-glass-border);
    padding: 1rem 2rem;
}

.navbar-brand {
    font-weight: 700;
    color: var(--color-accent) !important;
    font-size: 1.2rem;
}

.nav-link {
    color: var(--color-text) !important;
    margin-left: 1.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--color-accent) !important;
}

/* Buttons */
.btn-atmos {
    background: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    padding: 0.8rem 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-atmos:hover {
    background: var(--color-accent);
    color: var(--color-bg);
    box-shadow: 0 0 15px var(--color-accent);
}

/* Radar Scan Effect */
.radar-scan {
    position: relative;
    overflow: hidden;
}

.radar-scan::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: var(--color-accent);
    opacity: 0.3;
    animation: scan 4s linear infinite;
}

@keyframes scan {
    0% { top: 0; }
    100% { top: 100%; }
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 0;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at center, #003366 0%, #001F3F 100%);
}

/* Grid & Cards */
.card-atmos {
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    border-radius: 0;
    color: var(--color-text);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.card-atmos:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
}

.card-atmos .card-title {
    color: var(--color-accent);
}

/* Lab Specifics */
.slider-container {
    margin: 2rem 0;
}

input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 2px;
    background: var(--color-glass-border);
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 16px;
    width: 16px;
    border-radius: 50%;
    background: var(--color-accent);
    cursor: pointer;
    margin-top: -7px;
    box-shadow: 0 0 10px var(--color-accent);
}

/* Animations */
.fade-in {
    animation: fadeIn 1s ease-out forwards;
}

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

/* Footer */
footer {
    border-top: 1px solid var(--color-glass-border);
    padding: 4rem 0;
    background: rgba(0, 0, 0, 0.2);
}