:root {
    --primary-color: #002f6c;
    --secondary-color: #0056b3;
    --accent-color: #17a2b8;
    --text-dark: #212529;
    --text-light: #6c757d;
    --bg-light: #f8f9fa;
    --white: #ffffff;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.loader {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 100px 0 80px;
    text-align: center;
    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"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.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;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-custom {
    padding: 16px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary-custom {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--white);
}

.btn-primary-custom:hover {
    background: transparent;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.btn-outline-custom {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline-custom:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Stats Section */
.stats-section {
    background: var(--primary-color);
    color: var(--white);
    padding: 60px 0;
}

.stat-item {
    text-align: center;
    padding: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 10px;
}

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

/* Content Sections */
.content-section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 50px;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.feature-card {
    background: var(--white);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    border-top: 4px solid var(--primary-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 47, 108, 0.15);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.feature-icon i {
    font-size: 2rem;
    color: var(--white);
}

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

.feature-card p,
.feature-card ul {
    color: var(--text-light);
    line-height: 1.8;
}

.feature-card ul {
    list-style: none;
    padding-left: 0;
}

.feature-card ul li {
    position: relative;
    margin-bottom: 12px;
}


.bg-light-custom {
    background: var(--bg-light);
}

.stage-card {
    background: var(--white);
    border-left: 4px solid var(--primary-color);
    padding: 30px;
    margin-bottom: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.stage-card:hover {
    box-shadow: 0 4px 20px rgba(0, 47, 108, 0.1);
    transform: translateX(5px);
}

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

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

.cta-section h2 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 25px;
}

.cta-section p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Scroll to Top Button */
#scrollToTop {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    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);
}

#scrollToTop.visible {
    opacity: 1;
    visibility: visible;
}

#scrollToTop:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 47, 108, 0.4);
}

/* Process Steps */
.process-step {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    height: 100%;
    transition: all 0.3s ease;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 47, 108, 0.12);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.process-step h4 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

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

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

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

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

    .stat-number {
        font-size: 2.5rem;
    }

    .cta-section h2 {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-custom {
        width: 100%;
        max-width: 300px;
    }
}