:root {
    --color-primary: #1a1a2e;
    --color-accent: #e94560;
    --color-accent-light: #ff6b6b;
    --color-bg: #fafafa;
    --color-bg-alt: #f0f0f5;
    --color-text: #1a1a2e;
    --color-text-muted: #6b7280;
    --color-border: #e5e5ea;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Source Sans 3', -apple-system, sans-serif;
    --container-width: 1200px;
    --radius: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--color-accent);
    color: #fff;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-text {
    color: var(--color-primary);
}

.logo-accent {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--color-accent);
}

.nav-cta {
    background: var(--color-accent);
    color: #fff !important;
    padding: 0.625rem 1.25rem;
    border-radius: 6px;
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--color-accent-light);
}

.lang-switcher {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 0.8125rem;
    font-weight: 600;
    transition: all var(--transition);
}

.lang-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition);
}

/* Hero */
.hero {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, #2d2d44 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    max-width: 700px;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.5);
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-alt {
    background: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 3rem;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--color-text-muted);
    font-size: 1.125rem;
}

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

.product-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.product-card-image {
    aspect-ratio: 4/3;
    background: var(--color-bg-alt);
    overflow: hidden;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.product-card:hover .product-card-image img {
    transform: scale(1.05);
}

.product-card-body {
    padding: 1.5rem;
}

.product-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.product-card p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: #fff;
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.service-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.service-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.service-card-link:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.service-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: #fff;
    font-size: 1.5rem;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

/* Content Block */
.content-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.content-block.reverse {
    direction: rtl;
}

.content-block.reverse > * {
    direction: ltr;
}

.content-block h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 1rem;
}

.content-block p {
    margin-bottom: 1rem;
    color: var(--color-text-muted);
}

.content-image {
    aspect-ratio: 16/10;
    background: var(--color-bg-alt);
    border-radius: var(--radius);
    overflow: hidden;
}

.content-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Contact Section */
.contact-section {
    background: var(--color-primary);
    color: #fff;
}

.contact-section .section-header h2 {
    color: #fff;
}

.contact-section .section-header p {
    color: rgba(255,255,255,0.7);
}

/* Footer */
.site-footer {
    background: var(--color-primary);
    color: #fff;
    padding: 4rem 0 2rem;
}

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

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 1rem;
}

.footer-tagline {
    opacity: 0.7;
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    opacity: 0.8;
    transition: opacity var(--transition);
}

.footer-links a:hover {
    opacity: 1;
}

.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-contact a {
    color: var(--color-accent-light);
}

.btn-contact {
    display: inline-block;
    background: var(--color-accent);
    color: #fff !important;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    transition: background var(--transition);
}

.btn-contact:hover {
    background: var(--color-accent-light);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    opacity: 0.6;
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .content-block {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .content-block.reverse {
        direction: ltr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero {
        padding: 4rem 0;
    }
    
    .section {
        padding: 3rem 0;
    }
}

/* Mobile Menu */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: #fff;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        display: none;
        z-index: 99;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        font-size: 1.25rem;
    }
    
    .mobile-menu-btn {
        display: flex;
        z-index: 100;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .lang-switcher {
        position: fixed;
        bottom: 2rem;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .hero h1 {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate {
    animation: fadeInUp 0.6s ease forwards;
}

/* Utility */
.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }

/* PageSpeed Optimizations */
.contact-form-wrapper {
    contain: content;
}

.btn-submit {
    min-height: 44px;
}

.form-group input,
.form-group textarea {
    min-height: 44px;
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Contact Form */
.contact-form-wrapper {
    max-width: 480px;
    margin: 0 auto;
    padding: 2rem;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    font-size: 0.875rem;
    color: #fff;
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s ease;
    background: rgba(255,255,255,0.95);
    color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
}

.btn-submit {
    padding: 1rem 2rem;
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn-submit:hover {
    background: var(--color-accent-light);
}

.btn-submit:disabled {
    background: #93c5fd;
    cursor: not-allowed;
}

.form-status {
    text-align: center;
    padding: 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
}

.form-status.success {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

.form-status.error {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

/* Form page container for non-dark sections */
.contact-section:not(.contact-section) .form-group label {
    color: var(--color-text);
}