/* ============================================
   RESET & GLOBAL STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #333;
    background-color: #fff;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
    background: #fff;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
    text-decoration: none;
}

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

.nav-menu a {
    color: #666;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #0066cc;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.4rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    border-radius: 2px;
    transition: all 0.3s ease;
}

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

.hero {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 4rem 0;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #555;
    max-width: 700px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

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

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

.btn {
    padding: 0.875rem 1.75rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
    background: linear-gradient(135deg, #0052a3 0%, #003d7a 100%);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(0, 102, 204, 0.3);
}

.btn-secondary {
    background: #fff;
    color: #0066cc;
    border: 2px solid #0066cc;
    font-weight: 600;
}

.btn-secondary:hover {
    background: #f0f5ff;
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
    margin-top: 1.5rem;
}

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

.features {
    background: #f9fafb;
    padding: 4rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #1a1a1a;
}

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

.feature-card {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: #0066cc;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: #1a1a1a;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
}

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

.pricing {
    padding: 4rem 0;
    background: #fff;
}

.price-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.price-card {
    background: #fff;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.price-card:hover {
    transform: translateY(-5px);
    border-color: #0066cc;
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.15);
}

.price-card.featured {
    border-color: #0066cc;
    background: linear-gradient(135deg, #f0f5ff 0%, #fff 100%);
    transform: scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.2);
}

.badge {
    display: inline-block;
    background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.price-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #1a1a1a;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: #0066cc;
    margin: 1rem 0;
}

.price-desc {
    color: #666;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.price-features {
    list-style: none;
    text-align: left;
    margin: 1.5rem 0;
    font-size: 0.95rem;
}

.price-features li {
    padding: 0.6rem 0;
    color: #555;
    border-bottom: 1px solid #f0f0f0;
}

.price-features li:last-child {
    border-bottom: none;
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */

.portfolio {
    background: #f9fafb;
    padding: 4rem 0;
}

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

.portfolio-item {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.portfolio-image {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.portfolio-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: #1a1a1a;
}

.portfolio-item p {
    color: #666;
    font-size: 0.95rem;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
    background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    color: #fff;
    padding: 4rem 0;
}

.contact .section-title {
    color: #fff;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
    text-align: center;
}

.contact-item h3 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-item p {
    font-size: 1rem;
    opacity: 0.9;
}

.contact-social {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.social-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid #fff;
    color: #fff;
    background: transparent;
}

.social-btn:hover {
    background: #fff;
    color: #0066cc;
    transform: translateY(-2px);
}

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

.footer {
    background: #1a1a1a;
    color: #999;
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid #333;
}

.footer p {
    margin: 0;
}

/* ============================================
   MOBILE RESPONSIVENESS
   ============================================ */

@media (max-width: 768px) {
    /* Navigation */
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: #fff;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        border-bottom: 1px solid #eee;
    }

    .nav-menu.active {
        max-height: 300px;
    }

    .nav-menu li {
        border-bottom: 1px solid #eee;
    }

    .nav-menu a {
        display: block;
        padding: 1rem 1.5rem;
    }

    /* Hero */
    .hero {
        padding: 2rem 0;
    }

    .hero-title {
        font-size: 2rem;
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }

    .btn {
        width: 100%;
    }

    /* Sections */
    .section-title {
        font-size: 1.75rem;
        margin-bottom: 2rem;
    }

    .feature-grid,
    .price-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .price-card.featured {
        transform: scale(1);
    }

    /* Typography */
    .feature-card,
    .price-card,
    .portfolio-item {
        padding: 1.5rem;
    }

    .feature-icon {
        font-size: 2.5rem;
    }

    .portfolio-image {
        font-size: 2.5rem;
    }

    .price {
        font-size: 2rem;
    }

    /* Contact */
    .contact-info {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .contact-social {
        gap: 0.75rem;
    }

    .social-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }

    .feature-icon,
    .portfolio-image {
        font-size: 2rem;
    }
}