:root {
    --oc-primary: #0a4a7a;
    --oc-primary-dark: #073a5e;
    --oc-primary-light: #e8f2f8;
    --oc-accent: #ff6b35;
    --oc-accent-dark: #e55a2a;
    --oc-warning: #f7b731;
    --oc-success: #2ecc71;
    --oc-danger: #e74c3c;
    --oc-text-dark: #1a1a2e;
    --oc-text-medium: #4a5568;
    --oc-text-light: #718096;
    --oc-bg-light: #f8fafc;
    --oc-bg-white: #ffffff;
    --oc-border: #e2e8f0;
    --oc-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --oc-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --oc-shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --oc-radius: 8px;
    --oc-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Work Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

.oc-body {
    background-color: var(--oc-bg-light);
    position: relative;
}

/* Hero Section */
.oc-hero {
    background: linear-gradient(135deg, rgba(10, 74, 122, 0.97) 0%, rgba(7, 58, 94, 0.95) 100%),
        url('https://images.unsplash.com/photo-1504328345606-18bbc8c9d7d1?w=1600') center/cover no-repeat;
    padding: 6rem 1rem 4rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.oc-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 107, 53, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.oc-hero__content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.oc-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #fff;
}

.oc-hero__title {
    font-family: 'Space Mono', monospace;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.25rem;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.oc-hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.6;
    opacity: 0.95;
    font-weight: 300;
    max-width: 750px;
    margin: 0 auto 2rem;
}

.oc-hero__stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.oc-hero__stat {
    text-align: center;
}

.oc-hero__stat-number {
    font-family: 'Space Mono', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
    color: var(--oc-accent);
    line-height: 1;
}

.oc-hero__stat-label {
    font-size: 0.85rem;
    opacity: 0.85;
    margin-top: 0.5rem;
    font-weight: 500;
}

/* Layout */
.oc-layout {
    padding: 4rem 0;
    max-width: 1400px;
    margin: 0 auto;
}

/* Sticky Sidebar */
.oc-sidebar {
    position: sticky;
    top: 100px;
    height: calc(100vh - 120px);
    overflow-y: auto;
    padding-right: 1rem;
}

.oc-sidebar::-webkit-scrollbar {
    width: 6px;
}

.oc-sidebar::-webkit-scrollbar-track {
    background: var(--oc-bg-light);
    border-radius: 3px;
}

.oc-sidebar::-webkit-scrollbar-thumb {
    background: var(--oc-primary);
    border-radius: 3px;
}

.oc-toc {
    background-color: var(--oc-bg-white);
    border-radius: var(--oc-radius);
    padding: 1.75rem;
    border: 1px solid var(--oc-border);
    box-shadow: var(--oc-shadow-sm);
}

.oc-toc__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--oc-text-dark);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'Space Mono', monospace;
}

.oc-toc__title .material-icons {
    color: var(--oc-primary);
    font-size: 1.5rem;
}

.oc-toc__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.oc-toc__link {
    display: block;
    padding: 0.75rem 0.75rem;
    color: var(--oc-text-medium);
    text-decoration: none;
    border-left: 3px solid transparent;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--oc-transition);
    margin-bottom: 0.25rem;
    border-radius: 0 var(--oc-radius) var(--oc-radius) 0;
}

.oc-toc__link:hover {
    background-color: var(--oc-primary-light);
    color: var(--oc-primary);
    padding-left: 1rem;
}

.oc-toc__link.active {
    color: var(--oc-primary);
    font-weight: 700;
    border-left-color: var(--oc-accent);
    background-color: var(--oc-primary-light);
    padding-left: 1rem;
}

/* Content Section */
.oc-section {
    background-color: var(--oc-bg-white);
    border-radius: var(--oc-radius);
    padding: 3rem;
    margin-bottom: 2rem;
    box-shadow: var(--oc-shadow-sm);
    border: 1px solid var(--oc-border);
    scroll-margin-top: 100px;
    transition: var(--oc-transition);
}

.oc-section:hover {
    box-shadow: var(--oc-shadow-md);
}

.oc-section__title {
    font-family: 'Space Mono', monospace;
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--oc-primary-dark);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    line-height: 1.3;
}

.oc-section__title .material-icons {
    font-size: 2rem;
    color: var(--oc-accent);
}

.oc-section p,
.oc-section ul,
.oc-section ol {
    line-height: 1.8;
    font-size: 1.05rem;
    color: var(--oc-text-medium);
    margin-bottom: 1.25rem;
}

.oc-section ul:not(.browser-default) {
    list-style: none;
    padding-left: 0;
}

.oc-section ul:not(.browser-default) li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
}

.oc-section ul:not(.browser-default) li::before {
    content: 'check_circle';
    font-family: 'Material Icons';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--oc-success);
    font-size: 1.25rem;
}

.oc-section ol {
    padding-left: 1.5rem;
    counter-reset: item;
    list-style: none;
}

.oc-section ol li {
    counter-increment: item;
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.5rem;
}

.oc-section ol li::before {
    content: counter(item);
    position: absolute;
    left: 0;
    top: 0;
    background: var(--oc-primary);
    color: white;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

/* Callout Boxes */
.oc-callout {
    background: linear-gradient(135deg, var(--oc-primary-light) 0%, rgba(232, 242, 248, 0.5) 100%);
    border-left: 4px solid var(--oc-primary);
    padding: 1.75rem;
    border-radius: var(--oc-radius);
    margin: 2rem 0;
    box-shadow: var(--oc-shadow-sm);
}

.oc-callout--warning {
    background: linear-gradient(135deg, rgba(247, 183, 49, 0.1) 0%, rgba(247, 183, 49, 0.05) 100%);
    border-left-color: var(--oc-warning);
}

.oc-callout--success {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.1) 0%, rgba(46, 204, 113, 0.05) 100%);
    border-left-color: var(--oc-success);
}

.oc-callout p {
    margin-bottom: 0;
}

.oc-callout strong {
    color: var(--oc-primary-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

/* Violation List */
.oc-violation-list {
    display: grid;
    gap: 1rem;
    margin: 1.5rem 0;
}

.oc-violation-list__item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--oc-bg-light) 0%, var(--oc-bg-white) 100%);
    border-radius: var(--oc-radius);
    border: 1px solid var(--oc-border);
    transition: var(--oc-transition);
    position: relative;
    overflow: hidden;
}

.oc-violation-list__item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--oc-danger) 0%, var(--oc-accent) 100%);
    opacity: 0;
    transition: var(--oc-transition);
}

.oc-violation-list__item:hover {
    transform: translateX(4px);
    box-shadow: var(--oc-shadow-md);
    border-color: var(--oc-accent);
}

.oc-violation-list__item:hover::before {
    opacity: 1;
}

.oc-violation-list__rank {
    font-family: 'Space Mono', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--oc-accent);
    min-width: 45px;
    text-align: center;
    line-height: 1;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(255, 107, 53, 0.05));
    padding: 0.75rem;
    border-radius: var(--oc-radius);
}

.oc-violation-list__details {
    flex: 1;
}

.oc-violation-list__details strong {
    display: block;
    color: var(--oc-text-dark);
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.oc-violation-list__details span {
    font-size: 0.95rem;
    color: var(--oc-text-medium);
    line-height: 1.6;
}

/* Checklist */
.oc-checklist {
    background: var(--oc-bg-light);
    border-radius: var(--oc-radius);
    padding: 1rem;
    margin: 1.5rem 0;
}

.oc-checklist__item {
    padding: 1.25rem;
    border-bottom: 1px solid var(--oc-border);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: white;
    margin-bottom: 0.5rem;
    border-radius: var(--oc-radius);
    transition: var(--oc-transition);
}

.oc-checklist__item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.oc-checklist__item:hover {
    box-shadow: var(--oc-shadow-sm);
    transform: translateX(4px);
}

.oc-checklist__item input[type="checkbox"] {
    width: 1.5rem;
    height: 1.5rem;
    accent-color: var(--oc-success);
    cursor: pointer;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.oc-checklist__item label {
    margin-bottom: 0;
    font-weight: 500;
    color: var(--oc-text-dark);
    cursor: pointer;
    line-height: 1.6;
}

/* CTA Box */
.oc-cta-box {
    background: linear-gradient(135deg, var(--oc-primary) 0%, var(--oc-primary-dark) 100%);
    color: white;
    border-radius: var(--oc-radius);
    padding: 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--oc-shadow-lg);
}

.oc-cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.15) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.5;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.oc-cta-box__content {
    position: relative;
    z-index: 1;
}

.oc-cta-box__title {
    color: white;
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
    font-family: 'Space Mono', monospace;
}

.oc-cta-box p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: white;
}

.oc-cta-box__btn {
    font-weight: 700;
    padding: 1rem 2.5rem;
    background-color: var(--oc-accent);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1.05rem;
    transition: var(--oc-transition);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

.oc-cta-box__btn:hover {
    background-color: var(--oc-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.5);
    color: white;
}

/* Key Stats Section */
.oc-key-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.oc-stat-card {
    background: linear-gradient(135deg, var(--oc-bg-white) 0%, var(--oc-bg-light) 100%);
    padding: 2rem;
    border-radius: var(--oc-radius);
    border: 1px solid var(--oc-border);
    text-align: center;
    transition: var(--oc-transition);
    box-shadow: var(--oc-shadow-sm);
}

.oc-stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--oc-shadow-md);
    border-color: var(--oc-accent);
}

.oc-stat-card__icon {
    font-size: 3rem;
    color: var(--oc-accent);
    margin-bottom: 1rem;
}

.oc-stat-card__number {
    font-family: 'Space Mono', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--oc-primary);
    display: block;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.oc-stat-card__label {
    font-size: 0.95rem;
    color: var(--oc-text-medium);
    font-weight: 500;
}

/* Program Cards */
.oc-program-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.oc-program-card {
    background: var(--oc-bg-white);
    border: 1px solid var(--oc-border);
    border-radius: var(--oc-radius);
    padding: 2rem;
    transition: var(--oc-transition);
    box-shadow: var(--oc-shadow-sm);
}

.oc-program-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--oc-shadow-md);
    border-color: var(--oc-accent);
}

.oc-program-card__icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--oc-primary) 0%, var(--oc-primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.oc-program-card__icon .material-icons {
    color: white;
    font-size: 2rem;
}

.oc-program-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--oc-text-dark);
    margin-bottom: 1rem;
}

.oc-program-card__description {
    font-size: 0.95rem;
    color: var(--oc-text-medium);
    line-height: 1.6;
    margin-bottom: 0;
}

/* Responsive Design */
@media(max-width: 991.98px) {
    .oc-sidebar {
        display: none;
    }

    .oc-hero {
        padding: 4rem 1rem 3rem;
    }

    .oc-hero__title {
        font-size: 2rem;
    }

    .oc-section {
        padding: 2rem 1.5rem;
    }

    .oc-section__title {
        font-size: 1.5rem;
    }

    .oc-key-stats {
        grid-template-columns: 1fr;
    }

    .oc-program-grid {
        grid-template-columns: 1fr;
    }

    .oc-cta-box {
        padding: 2rem 1.5rem;
    }

    .oc-cta-box__title {
        font-size: 1.5rem;
    }
}

@media(max-width: 576px) {
    .oc-hero__stats {
        gap: 1rem;
    }

    .oc-hero__stat-number {
        font-size: 2rem;
    }

    .oc-violation-list__item {
        flex-direction: column;
        gap: 1rem;
    }

    .oc-violation-list__rank {
        width: 100%;
    }
}