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

:root {
    --primary-blue: #2563eb;
    --primary-orange: #f97316;
    --primary-yellow: #fbbf24;
    --deep-green: #047857;
    --dark-bg: #1f2937;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-600: #4b5563;
    --gray-800: #1f2937;
    --text-black: #000000;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-black);
}

/* Header & Navigation */
header {
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-blue);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-blue);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-blue);
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    border-radius: 8px;
    padding: 0.5rem 0;
    min-width: 250px;
    display: none;
    margin-top: 0.5rem;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--gray-600);
    transition: background 0.2s;
}

.dropdown-menu a:hover {
    background: var(--gray-100);
    color: var(--primary-blue);
}

.contact-btn {
    background: var(--dark-bg);
    color: white !important;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    transition: background 0.3s;
}

.contact-btn:hover {
    background: var(--primary-blue);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-600);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--gray-100) 0%, white 100%);
    padding: 4rem 2rem;
    text-align: center;
}

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

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-black);
}

.hero p {
    color: var(--gray-600);
    font-size: 1.1rem;
    margin-top: 1rem;
    margin-bottom: 2rem;
}

.explore-btn {
    background: var(--primary-blue);
    color: white;
    padding: 1rem 3rem;
    border-radius: 30px;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    text-decoration: none;
    display: inline-block;
}

.explore-btn:hover {
    background: var(--primary-orange);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
}

/* Feature Bar */
.feature-bar {
    background: var(--dark-bg);
    padding: 2rem;
    margin: 2rem auto;
    max-width: 1100px;
    border-radius: 20px;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: white;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* Content Section */
.content-section {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.content-header {
    text-align: center;
    margin-bottom: 3rem;
}

.content-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.content-header p {
    color: var(--gray-600);
    font-size: 1.1rem;
}

/* Cards Grid */
.cards-section {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

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

.card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    color: inherit;
    display: block;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

.card-image {
    width: 100%;
    height: 200px;
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.card-icon.blue { background: var(--primary-blue); }
.card-icon.orange { background: var(--primary-orange); }
.card-icon.yellow { background: var(--primary-yellow); color: var(--text-black); }
.card-icon.green { background: var(--deep-green); }

.card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.card-subtitle {
    color: var(--gray-600);
    font-size: 0.9rem;
}

.card-footer {
    background: var(--dark-bg);
    padding: 1rem 1.5rem;
    color: white;
    font-size: 0.9rem;
}

.card-footer.alt {
    background: var(--gray-800);
}

.card-arrow {
    float: right;
    background: var(--primary-blue);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.3s;
}

.card-arrow:hover {
    background: var(--primary-orange);
}

/* Article Styles */
.article-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.article-header {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--gray-200);
}

.article-meta {
    display: flex;
    gap: 2rem;
    color: var(--gray-600);
    font-size: 0.9rem;
    margin-top: 1rem;
}

.article-body {
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-body h2 {
    font-size: 2rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

.article-body h3 {
    font-size: 1.5rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--deep-green);
}

.article-body p {
    margin-bottom: 1.5rem;
}

.article-body ul,
.article-body ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.article-body li {
    margin-bottom: 0.5rem;
}

.article-body code {
    background: var(--gray-100);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.article-body pre {
    background: var(--dark-bg);
    color: white;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

.article-body pre code {
    background: none;
    padding: 0;
    color: white;
}

.highlight-box {
    background: var(--gray-100);
    padding: 1.5rem;
    border-left: 4px solid var(--primary-blue);
    margin: 2rem 0;
    border-radius: 4px;
}

/* Resource List */
.resource-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.resource-item {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.resource-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.resource-item h3 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.resource-item a {
    color: var(--primary-orange);
    text-decoration: none;
    font-weight: 500;
}

.resource-item a:hover {
    text-decoration: underline;
}

/* Form Styles */
.contact-form {
    max-width: 600px;
    margin: 2rem auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-btn {
    background: var(--primary-blue);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.submit-btn:hover {
    background: var(--primary-orange);
    transform: translateY(-2px);
}

/* Testimonial Section */
.testimonial-section {
    background: var(--gray-100);
    padding: 4rem 2rem;
    margin-top: 4rem;
}

.testimonial-content {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.testimonial-label {
    display: inline-block;
    background: #c4b5fd;
    color: var(--gray-800);
    padding: 0.25rem 1rem;
    border-radius: 12px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.testimonial-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.testimonial-text {
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.see-more-btn {
    background: var(--dark-bg);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 20px;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
}

.see-more-btn:hover {
    background: var(--primary-blue);
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    position: relative;
}

.quote-icon {
    font-size: 4rem;
    color: #c4b5fd;
    position: absolute;
    right: 2rem;
    top: 1rem;
    opacity: 0.5;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.author-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Footer */
footer {
    background: var(--dark-bg);
    color: white;
    padding: 3rem 2rem 1.5rem;
    margin-top: 4rem;
    border-radius: 30px 30px 0 0;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

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

.footer-section a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s;
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.3s;
}

.social-icon:hover {
    background: var(--primary-blue);
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 20px;
    background: rgba(255,255,255,0.1);
    color: white;
}

.newsletter-form input::placeholder {
    color: #9ca3af;
}

.newsletter-form button {
    padding: 0.75rem 2rem;
    background: var(--primary-orange);
    color: white;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    transition: background 0.3s;
}

.newsletter-form button:hover {
    background: var(--primary-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #9ca3af;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        transition: left 0.3s;
        align-items: flex-start;
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .feature-bar {
        flex-direction: column;
    }

    .testimonial-content {
        grid-template-columns: 1fr;
    }

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

    .dropdown-menu {
        position: static;
        box-shadow: none;
        display: none;
        padding-left: 1rem;
    }

    .dropdown.active .dropdown-menu {
        display: block;
    }

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