:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --text-color: #334155;
    --border-color: #e2e8f0;
}

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

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

/* NAVBAR */
.navbar-professional {
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar-professional.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.navbar-brand-custom {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-color);
    text-decoration: none;
}

.navbar-brand-custom img {
    height: 50px;
    width: auto;
}

.nav-link-custom {
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
    text-decoration: none;
}

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

.btn-primary-custom {
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary-custom:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
    color: white;
}

.btn-outline-custom {
    background: transparent;
    color: var(--primary-color);
    padding: 0.75rem 2rem;
    border-radius: 8px;
    border: 2px solid var(--primary-color);
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

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

/* HERO SECTION */
.hero-professional {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    padding: 120px 0 80px;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-professional::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="white" stroke-width="0.5" opacity="0.1"/></svg>');
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-professional h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* STATS SECTION */
.stats-section {
    background: var(--light-color);
    padding: 60px 0;
    margin-top: -40px;
    position: relative;
    z-index: 2;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-color);
    font-weight: 500;
}

/* FEATURES SECTION */
.features-section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-color);
    opacity: 0.8;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
}

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

.feature-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-color);
    opacity: 0.8;
}

/* VERIFICATION SECTION */
.verification-section {
    background: linear-gradient(135deg, var(--light-color) 0%, #e0e7ff 100%);
    padding: 80px 0;
}

.verification-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    padding: 3rem;
    max-width: 700px;
    margin: 0 auto;
}

.verification-card h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
    text-align: center;
}

.verification-description {
    text-align: center;
    color: var(--text-color);
    margin-bottom: 2rem;
}

.input-group-custom {
    position: relative;
}

.input-group-custom input {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.input-group-custom input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.input-group-custom button {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    padding: 0.75rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.input-group-custom button:hover {
    background: var(--secondary-color);
}

/* PROCESS SECTION */
.process-section {
    padding: 80px 0;
    background: white;
}

.process-step {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 3rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h5 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-color);
    opacity: 0.8;
}

.process-illustration {
    display: flex;
    align-items: center;
    justify-content: center;
}

.process-illustration i {
    font-size: 20rem;
    color: var(--primary-color);
    opacity: 0.05;
}

/* FOOTER */
.footer-professional {
    background: var(--dark-color);
    color: white;
    padding: 60px 0 30px;
}

.footer-brand {
    margin-bottom: 1.5rem;
}

.footer-brand h5 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.footer-description {
    opacity: 0.8;
    margin-bottom: 1rem;
}

.footer-links h6 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: white;
    opacity: 0.8;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 3rem;
    padding-top: 2rem;
    text-align: center;
    opacity: 0.7;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .hero-professional h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .verification-card {
        padding: 2rem 1.5rem;
    }
    
    .input-group-custom button {
        position: static;
        transform: none;
        width: 100%;
        margin-top: 1rem;
    }
    
    .process-step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        margin: 0 auto;
    }
}

/* ANIMATIONS */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    animation: fadeInUp 0.8s ease-out;
}