/* CSS Custom Properties */
:root {
    --primary: 220 85% 57%; /* #2563EB */
    --primary-hover: 220 85% 47%; /* #1D4ED8 */
    --secondary: 142 76% 36%; /* #16A34A */
    --accent: 38 92% 50%; /* #F59E0B */
    --background: 210 40% 98%; /* #F8FAFC */
    --surface: 0 0% 100%; /* #FFFFFF */
    --text-primary: 222 84% 5%; /* #0F172A */
    --text-secondary: 215 25% 27%; /* #475569 */
    --text-muted: 215 16% 47%; /* #64748B */
    --border: 214 32% 91%; /* #E2E8F0 */
    --shadow: 0 0% 0% / 0.1; /* rgba(0, 0, 0, 0.1) */
    --radius: 8px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
}

/* CSS Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: hsl(var(--text-primary));
    background-color: hsl(var(--background));
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-sm);
    color: hsl(var(--text-secondary));
}

a {
    color: hsl(var(--primary));
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-sm);
    display: block;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

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

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

/* Header & Navigation */
.header {
    background-color: hsl(var(--surface));
    box-shadow: 0 2px 4px hsl(var(--shadow));
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-sm);
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.logo img {
    width: 32px;
    height: 32px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-menu a {
    color: hsl(var(--text-primary));
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: hsl(var(--text-primary));
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
.hero {
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    background: linear-gradient(135deg, hsl(var(--background)) 0%, hsl(var(--surface)) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-text h1 {
    margin-bottom: var(--spacing-md);
    color: hsl(var(--text-primary));
}

.hero-text p {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
}

.hero-image img {
    width: 100%;
    height: auto;
}

/* Sections */
section {
    padding: var(--spacing-xl) 0;
}

.about {
    background-color: hsl(var(--surface));
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.stat {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: hsl(var(--background));
    border-radius: var(--radius);
}

.stat h4 {
    font-size: var(--font-size-3xl);
    color: hsl(var(--primary));
    margin-bottom: var(--spacing-xs);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background-color: hsl(var(--surface));
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    box-shadow: 0 4px 6px hsl(var(--shadow));
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px hsl(var(--shadow));
}

.service-card img {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
}

/* Products Grid */
.products {
    background-color: hsl(var(--surface));
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    background-color: hsl(var(--background));
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border: 2px solid hsl(var(--border));
    text-align: center;
    transition: border-color 0.3s ease;
}

.product-card:hover {
    border-color: hsl(var(--primary));
}

.product-card img {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    background-color: hsl(var(--surface));
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    box-shadow: 0 4px 6px hsl(var(--shadow));
    border-left: 4px solid hsl(var(--primary));
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.testimonial-author strong {
    color: hsl(var(--text-primary));
    display: block;
}

.testimonial-author span {
    color: hsl(var(--text-muted));
    font-size: var(--font-size-sm);
}

/* Blog Section */
.blog {
    background-color: hsl(var(--surface));
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.blog-card {
    background-color: hsl(var(--background));
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 6px hsl(var(--shadow));
    transition: transform 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
}

.blog-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-content {
    padding: var(--spacing-md);
}

.blog-content h3 a {
    color: hsl(var(--text-primary));
    font-size: var(--font-size-xl);
}

.blog-content h3 a:hover {
    color: hsl(var(--primary));
}

.blog-date {
    color: hsl(var(--text-muted));
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.blog-cta {
    text-align: center;
}

/* Newsletter */
.newsletter {
    background: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(var(--primary-hover)) 100%);
    color: white;
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter h2, .newsletter p {
    color: white;
}

.newsletter-form {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr auto;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: none;
    border-radius: var(--radius);
    font-size: var(--font-size-base);
}

.form-group input:focus {
    outline: 2px solid hsl(var(--accent));
}

/* Contact */
.contact {
    background-color: hsl(var(--surface));
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

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

.social-media {
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: hsl(var(--primary));
    color: white;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.social-links a:hover {
    background-color: hsl(var(--primary-hover));
}

/* Footer */
.footer {
    background-color: hsl(var(--text-primary));
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

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

.footer-section h3 {
    color: white;
    margin-bottom: var(--spacing-md);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: hsl(var(--text-muted));
    transition: color 0.3s ease;
}

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

.footer-section p {
    color: hsl(var(--text-muted));
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid hsl(var(--text-secondary));
    color: hsl(var(--text-muted));
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: hsl(var(--text-primary));
    color: white;
    padding: var(--spacing-md);
    z-index: 1001;
    transition: transform 0.3s ease;
}

.cookie-banner.hidden {
    transform: translateY(100%);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.cookie-buttons .btn {
    padding: 8px 16px;
    font-size: var(--font-size-sm);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
    transition: opacity 0.3s ease;
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background-color: hsl(var(--surface));
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    max-width: 500px;
    width: 90%;
}

.cookie-category {
    margin-bottom: var(--spacing-md);
}

.cookie-category label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.cookie-category span {
    color: hsl(var(--text-secondary));
    font-size: var(--font-size-sm);
}

.modal-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: hsl(var(--surface));
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 2px 4px hsl(var(--shadow));
        transform: translateY(-100%);
        transition: transform 0.3s ease;
        opacity: 0;
        visibility: hidden;
    }

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

    .hamburger {
        display: flex;
    }

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

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

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

    .contact-info {
        grid-template-columns: 1fr;
    }

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

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

    .services-grid,
    .products-grid,
    .testimonials-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }
.mb-5 { margin-bottom: var(--spacing-xl) !important; }