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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Header */
header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #4a9eff;
    text-decoration: none;
}

.logo:hover {
    color: #4a9eff;
    text-decoration: none;
}

.logo img {
    height: 40px;
    width: 40px;
    flex-shrink: 0;
}

.logo span {
    color: #4a9eff;
    font-weight: 700;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 220px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 1rem 0;
    z-index: 1000;
    margin-top: 0.5rem;
}

.nav-dropdown:hover .nav-dropdown-content {
    display: block;
}

.nav-dropdown-content a {
    color: #333 !important;
    padding: 0.5rem 1rem;
    text-decoration: none;
    display: block;
    font-size: 0.9rem;
    transition: background-color 0.3s ease;
}

.nav-dropdown-content a:hover {
    background-color: #f8f9fa;
    color: #4a9eff !important;
}

.breadcrumb {
    background: #f8f9fa;
    padding: 1rem 0;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: #4a9eff;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.internal-links {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
}

.internal-links h3 {
    color: #1a1a2e;
    margin-bottom: 1rem;
}

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

.links-grid a {
    color: #4a9eff;
    text-decoration: none;
    padding: 0.5rem;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.links-grid a:hover {
    background-color: white;
    text-decoration: underline;
}

.nav-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #4a9eff;
}

.btn-book-nav {
    background: #4a9eff;
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.btn-book-nav:hover {
    background: #3a8ae6;
    color: white;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.hero-features span {
    background: rgba(74, 158, 255, 0.2);
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-size: 0.95rem;
    border: 1px solid rgba(74, 158, 255, 0.3);
}

.hero-intro {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    opacity: 0.85;
}

/* Kit Options */
.kits-section {
    padding: 4rem 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1a1a2e;
}

.kits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.kit-card {
    background: white;
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border: 2px solid #e9ecef;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.kit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.kit-featured {
    border-color: #4a9eff;
    transform: scale(1.02);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #4a9eff;
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.kit-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #1a1a2e;
    text-align: center;
}

.kit-price {
    font-size: 1.4rem;
    font-weight: 700;
    color: #4a9eff;
    text-align: center;
    margin-bottom: 2rem;
}

.kit-features {
    list-style: none;
    margin-bottom: 2rem;
}

.kit-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f3f4;
    font-size: 1rem;
}

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

.kit-ideal {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.btn {
    display: inline-block;
    background: #6c757d;
    color: white;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.3s ease;
    text-align: center;
    width: 100%;
}

.btn:hover {
    background: #5a6268;
}

.btn-primary {
    background: #4a9eff;
}

.btn-primary:hover {
    background: #3a8ae6;
}

/* Booking Form */
.booking-section {
    padding: 4rem 0;
    background: #f8f9fa;
}

.booking-container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.form-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-field:first-child {
    grid-column: span 1;
}

.form-field:nth-child(4),
.form-field:nth-child(5) {
    grid-column: span 1;
}

.form-field {
    display: flex;
    flex-direction: column;
}

.form-field label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #555;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-field input,
.form-field select {
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-field input:focus,
.form-field select:focus {
    outline: none;
    border-color: #4a9eff;
    box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.1);
}

.form-submit {
    grid-column: span 3;
}

.btn-book {
    width: 100%;
    background: linear-gradient(135deg, #4a9eff 0%, #3a8ae6 100%);
    color: white;
    border: none;
    padding: 1.2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-book:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(74, 158, 255, 0.3);
}

.price-preview {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    margin-bottom: 2rem;
    text-align: center;
}

.price-line {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.price-line:last-child {
    margin-bottom: 0;
    padding-top: 0.75rem;
    border-top: 2px solid #4a9eff;
    font-weight: 700;
    font-size: 1.2rem;
    color: #4a9eff;
}

/* Use Cases */
.use-cases {
    padding: 4rem 0;
    background: white;
}

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

.use-case {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 12px;
}

.use-case h3 {
    color: #1a1a2e;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Footer */
footer {
    background: #1a1a2e;
    color: white;
    text-align: center;
    padding: 3rem 0;
}

.success-message {
    display: none;
    text-align: center;
    padding: 2rem;
    background: #d4edda;
    color: #155724;
    border-radius: 12px;
    margin-top: 2rem;
}

/* Mobile */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-features {
        gap: 1rem;
    }

    .kits-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        display: flex;
        flex-direction: column;
    }

    .kit-featured {
        transform: none;
        order: -1;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .form-submit {
        grid-column: span 1;
    }

    .booking-container {
        padding: 2rem;
    }

    .nav-links {
        display: none;
    }
}