:root {
    --bg-color: #000000;
    --primary-color: #ffffff;
    --primary-glow: rgba(255, 255, 255, 0.3);
    --border-color: rgba(255, 255, 255, 0.2);
    --text-primary: #fafafa;
    --text-secondary: #a1a1a1;
    --card-bg: rgba(10, 10, 10, 0.5);
}

body {
    font-family: 'Roboto Mono', monospace, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
    position: relative;
}

.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    background-image:
        radial-gradient(ellipse at top left, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    opacity: 0.5;
}

#globe-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    filter: grayscale(100%) contrast(150%);
}

.hero-section {
    position: relative;
    background: transparent;
}

.content-overlay {
    position: relative;
    z-index: 1;
}

.section-bg {
     background-color: #0a0a0a;
     border-top: 1px solid var(--border-color);
     border-bottom: 1px solid var(--border-color);
}

.nav-link {
    position: relative;
    transition: all 0.3s ease;
    color: var(--text-secondary);
    padding-bottom: 8px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 1px;
    bottom: 0;
    left: 0;
    background: var(--border-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s ease-out;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}
.nav-link.active {
    color: var(--text-primary);
}


.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.division-card, #submission-container, .warning-box {
    background-color: transparent;
    border: 1px solid var(--border-color);
    backdrop-filter: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border-radius: 0;
}

.division-card:hover {
    background-color: var(--card-bg);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px var(--primary-glow);
}

.iframe-wrapper {
    position: relative;
    width: 100%;
    height: 75vh;
    max-height: 850px;
    overflow: hidden;
    border-radius: 0;
    border: 1px solid var(--border-color);
}

.iframe-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

input[type="checkbox"] {
    appearance: none;
    background-color: transparent;
    border: 1px solid var(--border-color);
    padding: 0;
    display: inline-block;
    position: relative;
    height: 1rem;
    width: 1rem;
    cursor: pointer;
    border-radius: 0;
    transition: all 0.2s ease;
}

input[type="checkbox"]:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

input[type="checkbox"]:checked::after {
    content: 'X';
    position: absolute;
    color: black;
    font-weight: bold;
    font-size: 0.8rem;
    line-height: 1rem;
    text-align: center;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.cta-button-sm, .cta-button-lg, #proceed-button {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 0;
    transition: all 0.3s ease;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    box-shadow: none;
    text-shadow: none;
}
.cta-button-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}
.cta-button-lg {
    padding: 12px 32px;
    font-size: 1.125rem;
}
#proceed-button {
    padding: 12px 24px;
    font-size: 1.125rem;
}

.cta-button-sm:hover, .cta-button-lg:hover, #proceed-button:hover:not(:disabled) {
    background: var(--primary-color);
    color: var(--bg-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 20px var(--primary-glow);
}

.cta-button-sm:active, .cta-button-lg:active, #proceed-button:active {
    transform: scale(0.98);
}

#proceed-button:disabled {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--text-secondary);
    cursor: not-allowed;
}