/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    overflow-x: hidden;
}

/* Container System */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-fluid {
    width: 100%;
    padding: 0 20px;
}

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col {
    flex: 1;
    padding: 0 15px;
}

.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

/* Responsive column classes */
@media (min-width: 768px) {
    .col-md-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
}

@media (min-width: 992px) {
    .col-lg-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: #1a365d;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: #4a5568;
    line-height: 1.6;
}

a {
    color: #3182ce;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #2c5282;
    text-decoration: underline;
}

/* Lists */
ul, ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

ul {
    list-style-type: disc;
}

ol {
    list-style-type: decimal;
}

li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Header */
.header {
    background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    display: flex;
    align-items: center;
}

.logo img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.nav {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav a {
    color: white;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav a:hover,
.nav a.active {
    color: #ffd700;
}

.auth-buttons {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    border-color: #ff6b35;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #e55a2b 0%, #e8830a 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-outline:hover {
    background: white;
    color: #1a365d;
}

.btn-secondary {
    background: #6c757d;
    color: white;
    border-color: #6c757d;
}

.btn-secondary:hover {
    background: #5a6268;
    border-color: #5a6268;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-text {
    text-align: left;
}

/* Override text-align for hero-content (homepage) */
.hero .hero-content {
    text-align: left;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: white;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255,255,255,0.9);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* Cards */
.card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.card-header {
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #1a365d;
}

.card-body {
    padding: 0;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1a365d;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: #6c757d;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-image {
    margin-bottom: 1rem;
}

.feature-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1a365d;
}

.feature-description {
    color: #6c757d;
    line-height: 1.6;
}

/* Content Sections */
.content-section {
    padding: 60px 0;
    background: white;
}

.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.content-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #1a365d;
    text-align: center;
}

.content-subtitle {
    font-size: 1.25rem;
    color: #6c757d;
    margin-bottom: 3rem;
    text-align: center;
}

/* FAQ Section */
.faq-section {
    background: #f8f9fa;
    padding: 80px 0;
}

.faq-section .section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #1a365d;
}

.faq-section .section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: #6c757d;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.faq-item {
    background: white;
    margin-bottom: 1rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
    width: 100%;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.faq-question {
    padding: 1.5rem;
    background: #1a365d;
    color: white;
    margin: 0;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    border: none;
    width: 100%;
    text-align: left;
}

.faq-question:hover {
    background: #2c5282;
}

.faq-answer {
    padding: 1.5rem;
    margin: 0;
    color: #4a5568;
    line-height: 1.6;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: white;
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255,255,255,0.9);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: #1a365d;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #ffd700;
}

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

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

.footer-section a {
    color: #ccc;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #ffd700;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #2c5282;
    color: #ccc;
}

/* Breadcrumb */
.breadcrumb {
    background: #e9ecef;
    padding: 1rem 0;
    font-size: 0.875rem;
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    align-items: center;
}

.breadcrumb-item {
    margin-right: 0.5rem;
}

.breadcrumb-item:not(:last-child)::after {
    content: '>';
    margin-left: 0.5rem;
    color: #6c757d;
}

.breadcrumb-item a {
    color: #3182ce;
}

.breadcrumb-item.active {
    color: #6c757d;
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 3rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-content-center { justify-content: center; }
.align-items-center { align-items: center; }

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 540px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .card {
        padding: 1.5rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles */
.btn:focus,
.nav a:focus,
.footer-section a:focus {
    outline: 2px solid #ffd700;
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .footer,
    .btn {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
}

/* Support Section */
.support-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.support-method {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.support-method:hover {
    transform: translateY(-5px);
}

.support-icon {
    font-size: 3rem;
    color: #1a365d;
    margin-bottom: 1rem;
    display: block;
}