/* CSS Custom Properties */
:root {
    --primary-color: 210 100% 45%; /* #0066CC */
    --secondary-color: 210 20% 25%; /* #3A4A5C */
    --accent-color: 30 100% 50%; /* #FF8000 */
    --background: 210 11% 98%; /* #F5F7FA */
    --surface: 0 0% 100%; /* #FFFFFF */
    --text-primary: 210 20% 15%; /* #2A3441 */
    --text-secondary: 210 10% 40%; /* #6B7280 */
    --border-color: 210 10% 90%; /* #E5E7EB */
    --shadow: 210 10% 15% / 0.1; /* rgba(42, 52, 65, 0.1) */
    --success: 120 60% 45%; /* #4CAF50 */
    --warning: 30 100% 50%; /* #FF8000 */
    --error: 0 70% 50%; /* #F44336 */
    
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --heading-font: 'Georgia', serif;
    
    --container-max-width: 1200px;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: hsl(var(--text-primary));
    background-color: hsl(var(--background));
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background-color: hsl(var(--primary-color));
    color: white;
}

.btn-primary:hover {
    background-color: hsl(var(--secondary-color));
    color: white;
}

.btn-secondary {
    background-color: hsl(var(--text-secondary));
    color: white;
}

.btn-secondary:hover {
    background-color: hsl(var(--text-primary));
    color: white;
}

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

.btn-outline:hover {
    background-color: hsl(var(--primary-color));
    color: white;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: hsl(var(--surface));
    border-top: 1px solid hsl(var(--border-color));
    box-shadow: 0 -2px 10px hsl(var(--shadow));
    z-index: 1000;
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.cookie-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.cookie-buttons .btn {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Cookie Modal */
.cookie-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.cookie-modal.show {
    display: flex;
}

.cookie-modal-content {
    background-color: hsl(var(--surface));
    border-radius: var(--border-radius);
    padding: 30px;
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}

.cookie-category {
    margin-bottom: 20px;
    padding: 15px;
    border: 1px solid hsl(var(--border-color));
    border-radius: var(--border-radius);
}

.cookie-category label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    margin-bottom: 5px;
}

.cookie-category input[type="checkbox"] {
    margin: 0;
}

.cookie-modal-buttons {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* Header */
.header {
    background-color: hsl(var(--surface));
    box-shadow: 0 2px 10px hsl(var(--shadow));
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

.nav {
    padding: 1rem 0;
}

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

.nav-brand a {
    font-size: 1.5rem;
    font-weight: 700;
    color: hsl(var(--primary-color));
}

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

.nav-menu a {
    font-weight: 500;
    color: hsl(var(--text-primary));
}

.nav-menu a:hover {
    color: hsl(var(--primary-color));
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: hsl(var(--text-primary));
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, hsl(var(--primary-color)), hsl(var(--secondary-color)));
    color: white;
    text-align: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Services Section */
.services {
    padding: 100px 0;
    background-color: hsl(var(--surface));
}

.services h2 {
    text-align: center;
    margin-bottom: 3rem;
}

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

.service-card {
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px hsl(var(--shadow));
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px hsl(var(--shadow));
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

/* About Section */
.about {
    padding: 100px 0;
    background-color: hsl(var(--background));
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-features {
    list-style: none;
    margin-top: 2rem;
}

.about-features li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

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

.about-stats {
    display: grid;
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background-color: hsl(var(--surface));
    border-radius: var(--border-radius);
    box-shadow: 0 2px 10px hsl(var(--shadow));
}

.stat h3 {
    font-size: 2.5rem;
    color: hsl(var(--primary-color));
    margin-bottom: 0.5rem;
}

/* Reviews Section */
.reviews {
    padding: 100px 0;
    background-color: hsl(var(--surface));
}

.reviews h2 {
    text-align: center;
    margin-bottom: 3rem;
}

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

.review-card {
    padding: 2rem;
    background-color: hsl(var(--background));
    border-radius: var(--border-radius);
    box-shadow: 0 2px 10px hsl(var(--shadow));
}

.review-stars {
    color: hsl(var(--accent-color));
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.review-author {
    font-weight: 500;
    color: hsl(var(--text-secondary));
    margin-top: 1rem;
}

/* Newsletter Section */
.newsletter {
    padding: 80px 0;
    background: linear-gradient(135deg, hsl(var(--primary-color)), hsl(var(--secondary-color)));
    color: white;
    text-align: center;
}

.newsletter-content h2 {
    margin-bottom: 1rem;
}

.newsletter-content p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    min-width: 250px;
    padding: 12px 16px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background-color: hsl(var(--background));
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: grid;
    gap: 2rem;
}

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

.contact-form {
    background-color: hsl(var(--surface));
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px hsl(var(--shadow));
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    margin-bottom: 1rem;
    border: 1px solid hsl(var(--border-color));
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: hsl(var(--primary-color));
}

/* Footer */
.footer {
    background-color: hsl(var(--secondary-color));
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h3 {
    margin-bottom: 1rem;
    color: white;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
}

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

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

.social-links a {
    padding: 8px 12px;
    background-color: hsl(var(--primary-color));
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background-color: hsl(var(--surface));
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 4px 20px hsl(var(--shadow));
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .newsletter-form {
        flex-direction: column;
        align-items: center;
    }

    .newsletter-form input {
        width: 100%;
        max-width: 400px;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .services,
    .about,
    .reviews,
    .contact {
        padding: 60px 0;
    }

    .newsletter {
        padding: 50px 0;
    }

    .service-card,
    .contact-form {
        padding: 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Success Messages */
.success-message {
    background-color: hsl(var(--success));
    color: white;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin: 1rem 0;
    text-align: center;
}

.error-message {
    background-color: hsl(var(--error));
    color: white;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin: 1rem 0;
    text-align: center;
}