/* --- CSS Variables for Theming --- */
:root {
    --dark-bg: #0a0a0a;
    --card-bg: #1a1a1a;
    --primary-accent: #007BFF; /* Electric Blue */
    --secondary-accent: #0056b3;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #888888;
    --border-color: #333333;
    --success-color: #28a745;
    --font-main: 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Helvetica Neue', Arial, sans-serif;
    --shadow-light: 0 2px 10px rgba(0, 123, 255, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 123, 255, 0.15);
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; font-weight: 700; }
h2 { font-size: 2.5rem; font-weight: 600; }
h3 { font-size: 2rem; font-weight: 600; }
h4 { font-size: 1.5rem; font-weight: 500; }

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

a {
    color: var(--primary-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--secondary-accent);
}

ul {
    list-style: none;
}

/* --- Container and Layout --- */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* --- Header and Navigation --- */
.navbar {
    background-color: var(--card-bg);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

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

.brand-logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-medium);
    position: relative;
}

.nav-links a:hover {
    color: var(--primary-accent);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-accent);
    transition: width var(--transition-medium);
}

.nav-links a:hover::after {
    width: 100%;
}

/* --- Mobile Menu Toggle --- */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: all var(--transition-medium);
    border-radius: 2px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-medium);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background-color: var(--primary-accent);
    color: var(--text-primary);
    border: 2px solid var(--primary-accent);
    box-shadow: var(--shadow-light);
}

.btn-primary:hover {
    background-color: var(--secondary-accent);
    border-color: var(--secondary-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--text-secondary);
}

.btn-secondary:hover {
    background-color: var(--text-secondary);
    color: var(--dark-bg);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.5rem 3rem;
    font-size: 1.3rem;
    font-weight: 700;
}

.btn-icon {
    font-size: 1.2rem;
}

/* --- Hero Section --- */
.hero {
    text-align: center;
    padding: 8rem 0;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1a2e 100%);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 123, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

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

.hero h1 {
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .subtitle {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 3rem auto;
    color: var(--text-secondary);
}

/* --- Page Header --- */
.page-header {
    text-align: center;
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--card-bg) 0%, #2a2a3e 100%);
}

.page-header h1 {
    color: var(--primary-accent);
}

/* --- Course Cards --- */
.course-preview, .course-list, .contact-info, .thank-you-content, .next-step-info, .why-choose-us {
    padding: 6rem 0;
}

.course-card, .contact-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, #252525 100%);
    padding: 2.5rem;
    border-radius: 12px;
    margin-bottom: 3rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent));
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-accent);
}

.course-card.featured {
    border: 2px solid var(--primary-accent);
    box-shadow: 0 0 30px rgba(0, 123, 255, 0.2);
}

/* --- Course Card Layout --- */
.course-card {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.course-image {
    width: 250px;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
    transition: transform var(--transition-medium);
}

.course-card:hover .course-image {
    transform: scale(1.05);
}

.course-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-details {
    margin: 1.5rem 0;
}

.course-details h4 {
    color: var(--primary-accent);
    margin-bottom: 1rem;
}

.course-details ul {
    list-style: none;
    padding: 0;
}

.course-details li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.course-details li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.course-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 1.5rem 0;
}

.feature {
    background-color: rgba(0, 123, 255, 0.1);
    color: var(--primary-accent);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(0, 123, 255, 0.3);
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 1.5rem;
}

.price {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-accent);
}

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

.benefit-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, #252525 100%);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: transform var(--transition-medium);
}

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

.benefit-card h3 {
    color: var(--primary-accent);
    margin-bottom: 1rem;
}

/* --- Contact Page Styles --- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.contact-card.mission {
    grid-column: 1 / -1;
}

.response-time {
    margin-top: 1rem;
    padding: 1rem;
    background-color: rgba(0, 123, 255, 0.1);
    border-radius: 8px;
    border-left: 4px solid var(--primary-accent);
}

.social-benefits {
    margin-top: 1.5rem;
}

.social-benefits h4 {
    color: var(--primary-accent);
    margin-bottom: 1rem;
}

.social-benefits ul {
    list-style: none;
}

.social-benefits li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.social-benefits li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-accent);
    font-weight: bold;
}

/* --- FAQ Section --- */
.faq-section {
    margin-top: 4rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.faq-item {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.faq-item h3 {
    color: var(--primary-accent);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

/* --- Thank You Page Styles --- */
.thank-you-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 2rem;
}

.thank-you-content h1 {
    color: var(--primary-accent);
    margin-bottom: 2rem;
}

.main-message {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: var(--text-secondary);
}

.next-steps {
    margin: 4rem 0;
    text-align: left;
}

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

.step {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--primary-accent);
    color: var(--text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem auto;
}

.course-preview {
    margin: 4rem 0;
    text-align: left;
}

.included-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.item-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.item-content h4 {
    color: var(--primary-accent);
    margin-bottom: 0.5rem;
}

.support-info, .community-invite {
    margin: 4rem 0;
    text-align: center;
}

.support-options {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.support-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-accent);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.support-link:hover {
    color: var(--secondary-accent);
}

.support-icon {
    font-size: 1.2rem;
}

/* --- Next Step Info --- */
.next-step-info {
    background-color: var(--card-bg);
    text-align: center;
}

.guarantee {
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1) 0%, rgba(40, 167, 69, 0.05) 100%);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(40, 167, 69, 0.3);
    margin-top: 2rem;
}

.guarantee h3 {
    color: var(--success-color);
    margin-bottom: 1rem;
}

/* --- Footer --- */
footer {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1rem 0;
    margin-top: 4rem;
}

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

.footer-section h4 {
    color: var(--primary-accent);
    margin-bottom: 1rem;
}

.footer-section p {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--primary-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* --- Mobile Responsiveness --- */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }

    .container {
        width: 95%;
        padding: 0 var(--container-padding);
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--card-bg);
        border-top: 1px solid var(--border-color);
        padding: 1rem 0;
    }
    
    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: 1rem 2rem;
        border-bottom: 1px solid var(--border-color);
        text-align: center;
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero {
        padding: 4rem 0;
    }

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

    .page-header {
        padding: 4rem 0;
    }

    .course-preview, .course-list, .contact-info, .thank-you-content, .next-step-info, .why-choose-us {
        padding: 3rem 0;
    }

    .course-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
    }

    .course-image {
        width: 100%;
        height: 200px;
        margin-bottom: 1.5rem;
    }

    .course-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .course-features {
        justify-content: center;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .included-items {
        grid-template-columns: 1fr;
    }

    .support-options {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .btn-large {
        padding: 1.2rem 2rem;
        font-size: 1.1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.7rem; }
    
    .hero {
        padding: 3rem 0;
    }
    
    .course-card, .contact-card {
        padding: 1.5rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .course-footer .btn {
        width: auto;
    }
}

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

.course-card, .benefit-card, .contact-card {
    animation: fadeInUp 0.6s ease-out;
}

/* --- Accessibility --- */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* --- Focus States --- */
.btn:focus,
a:focus {
    outline: 2px solid var(--primary-accent);
    outline-offset: 2px;
}

/* --- Print Styles --- */
@media print {
    .navbar,
    .mobile-menu-toggle,
    footer {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .course-card,
    .contact-card {
        border: 1px solid #ccc;
        break-inside: avoid;
    }
}