/* ============================================================
   GLOBAL STYLES
   ============================================================ */

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

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

a {
    text-decoration: none;
    color: #667eea;
}

a:hover {
    color: #5a67d8;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn-primary {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
    color: white;
}

.btn-secondary {
    display: inline-block;
    padding: 12px 30px;
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

/* ============================================================
   HEADER / NAV
   ============================================================ */

header {
    background: white;
    padding: 15px 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

nav .logo {
    font-size: 24px;
    font-weight: 700;
    color: #333;
}

nav .logo span {
    color: #667eea;
}

nav .nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

nav .nav-links a {
    color: #555;
    font-weight: 500;
    transition: color 0.3s;
}

nav .nav-links a:hover {
    color: #667eea;
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 40px;
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 20px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-buttons .btn-primary {
    background: white;
    color: #667eea;
}

.hero-buttons .btn-primary:hover {
    background: #f0f2f5;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.hero-buttons .btn-secondary {
    border-color: white;
    color: white;
}

.hero-buttons .btn-secondary:hover {
    background: white;
    color: #667eea;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 50px auto 0;
}

.hero-stats .stat {
    text-align: center;
}

.hero-stats .stat .number {
    font-size: 36px;
    font-weight: 700;
    display: block;
}

.hero-stats .stat .label {
    font-size: 14px;
    opacity: 0.8;
}

/* ============================================================
   FEATURES SECTION
   ============================================================ */

.features {
    padding: 80px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #333;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-card .icon {
    font-size: 48px;
    margin-bottom: 15px;
    display: block;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
}

.feature-card p {
    color: #666;
}

/* ============================================================
   PRICING SECTION
   ============================================================ */

.pricing {
    padding: 80px 40px;
    background: #f8f9fa;
}

.pricing h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 10px;
    color: #333;
}

.pricing-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 40px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.pricing-card.popular {
    border: 2px solid #667eea;
    background: #f8f9ff;
}

.pricing-card .popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #667eea;
    color: white;
    padding: 4px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-card .card-header h3 {
    font-size: 24px;
    margin-bottom: 5px;
}

.pricing-card .price {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin: 15px 0;
}

.pricing-card .price span {
    font-size: 16px;
    font-weight: 400;
    color: #666;
}

.pricing-card .savings {
    color: #27ae60;
    font-weight: 600;
    font-size: 14px;
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    margin: 20px 0;
    text-align: left;
}

.pricing-card ul li {
    padding: 8px 0;
    color: #555;
    border-bottom: 1px solid #f0f2f5;
}

.pricing-card ul li:last-child {
    border-bottom: none;
}

.pricing-card .btn-primary {
    width: 100%;
    text-align: center;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */

.testimonials {
    padding: 80px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonials h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.testimonial-card .stars {
    color: #f39c12;
    font-size: 20px;
    margin-bottom: 10px;
}

.testimonial-card .quote {
    font-style: italic;
    color: #555;
    margin-bottom: 15px;
}

.testimonial-card .author {
    font-weight: 600;
    color: #333;
}

/* ============================================================
   CTA SECTION
   ============================================================ */

.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 40px;
    text-align: center;
}

.cta-content h2 {
    font-size: 36px;
    margin-bottom: 10px;
}

.cta-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.cta-content .btn-primary {
    background: white;
    color: #667eea;
    font-size: 18px;
    padding: 15px 40px;
}

.cta-content .btn-primary:hover {
    background: #f0f2f5;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

/* ============================================================
   FOOTER
   ============================================================ */

footer {
    background: #2d3748;
    color: white;
    padding: 40px 40px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h4 {
    margin-bottom: 15px;
    font-size: 18px;
}

.footer-section p {
    color: #a8b2d1;
    line-height: 1.8;
}

.footer-section a {
    display: block;
    color: #a8b2d1;
    margin: 5px 0;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    margin-top: 20px;
    border-top: 1px solid #4a5568;
    color: #a8b2d1;
    font-size: 14px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 32px;
    }

    .hero-content p {
        font-size: 16px;
    }

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

    nav {
        flex-direction: column;
        gap: 15px;
    }

    nav .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

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