:root {
    --primary-color: #002f6c;
    --primary-dark: #001f4a;
    --primary-light: #0047a0;
    --accent-color: #d32f2f;
    --success-color: #2e7d32;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --border-color: #e0e0e0;
    --bg-light: #f8f9fa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

#loading-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255, 255, 255, 0.2);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-text {
    color: white;
    margin-top: 20px;
    font-size: 18px;
    font-weight: 500;
}

/* Scroll to Top Button */
#scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 47, 108, 0.3);
}

#scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

#scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 47, 108, 0.4);
}


.top-bar i {
    margin-right: 8px;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></svg>');
    background-size: 50px 50px;
}

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

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 25px;
    line-height: 1.2;
}

.hero-section .subtitle {
    font-size: 1.4rem;
    font-weight: 400;
    opacity: 0.95;
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Section Styles */
.content-section {
    padding: 80px 0;
}

.content-section:nth-child(even) {
    background: var(--bg-light);
}

.section-heading {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
}

.section-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--accent-color);
}

.subsection-heading {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-top: 40px;
    margin-bottom: 20px;
}

.content-text {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.8;
}

.content-text strong {
    color: var(--text-dark);
    font-weight: 600;
}

/* Highlight Boxes */
.highlight-box {
    background: white;
    border-left: 4px solid var(--primary-color);
    padding: 30px;
    margin: 30px 0;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    border-radius: 0 8px 8px 0;
}

.highlight-box.accent {
    border-left-color: var(--accent-color);
    background: #fff8f8;
}

.highlight-box.success {
    border-left-color: var(--success-color);
    background: #f1f8e9;
}

/* Lists */
.styled-list {
    list-style: none;
    padding: 0;
    margin: 25px 0;
}

.styled-list li {
    padding: 12px 0 12px 35px;
    position: relative;
    font-size: 1.05rem;
    color: var(--text-light);
}

.styled-list li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 16px;
}

/* Info Cards */
.info-card {
    background: white;
    padding: 35px;
    border-radius: 10px;
    box-shadow: 0 3px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.12);
}

.info-card .icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.info-card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
}

/* Feature Cards */
.feature-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
    border-top: 4px solid var(--primary-color);
}

.feature-card h4 {
    color: var(--primary-color);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
}

/* Stats Section */
.stats-box {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    padding: 50px;
    border-radius: 15px;
    margin: 40px 0;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 10px;
    display: block;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Challenge Cards */
.challenge-card {
    background: white;
    border-left: 5px solid var(--accent-color);
    padding: 25px;
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.challenge-card h4 {
    color: var(--accent-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
}

/* Pillars Section */
.pillar-icon-box {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 3px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

.pillar-icon-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.15);
}

.pillar-icon-box .icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.pillar-icon-box h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
}

/* Timeline */
.timeline-item {
    position: relative;
    padding-left: 50px;
    margin-bottom: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 8px;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 0 0 3px var(--primary-color);
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: 24px;
    top: 28px;
    width: 2px;
    height: calc(100% + 20px);
    background: var(--border-color);
}

.timeline-item:last-child::after {
    display: none;
}

.timeline-item h4 {
    color: var(--primary-color);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 80px 0;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.2rem;
    opacity: 0.95;
    max-width: 800px;
    margin: 0 auto 30px;
}

.btn-cta {
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    margin: 10px;
    transition: all 0.3s ease;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.2rem;
    }

    .hero-section .subtitle {
        font-size: 1.1rem;
    }

    .section-heading {
        font-size: 2rem;
    }

    .subsection-heading {
        font-size: 1.5rem;
    }

    .content-section {
        padding: 50px 0;
    }

    .stat-number {
        font-size: 2.2rem;
    }

    #scroll-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* Animation */
.fade-in {
    animation: fadeIn 0.8s ease-in;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}