/* CSS Variables for Professional Theming */
:root {
    --color-primary: #0284c7;
    --color-primary-dark: #0369a1;
    --color-secondary: #0f172a; /* Deep Slate */
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-text: #334155;
    --color-text-light: #64748b;
    --color-border: #e2e8f0;
    --color-accent: #ef4444; /* Red for best seller */
    
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    
    --transition: all 0.3s ease-in-out;
}

/* Reset & Base Setup */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: var(--font-main);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
}

body {
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

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

.text-center { text-align: center; }
.text-white { color: #fff; }
.text-gray { color: #94a3b8; }
.text-light { color: #cbd5e1; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.bg-dark { background-color: var(--color-secondary); }
.highlight { color: var(--color-primary); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 0.375rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
}
.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: rgba(255,255,255,0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
}
.btn-secondary:hover {
    background-color: rgba(255,255,255,0.2);
}

/* Navigation */
.navbar {
    background-color: var(--color-secondary);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    border-bottom: 3px solid var(--color-primary);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 5rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
}

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

.nav-links a {
    color: #cbd5e1;
    font-weight: 500;
    transition: var(--transition);
}

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

.lang-selector select {
    background-color: #1e293b;
    color: #fff;
    border: 1px solid #334155;
    padding: 0.4rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-family: inherit;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #1e293b 100%);
    color: #fff;
    padding: 8rem 0;
    position: relative;
    text-align: center;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 2.5rem;
}

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

/* Services */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}
.section-header h2 {
    font-size: 2.5rem;
    color: var(--color-secondary);
}
.divider {
    height: 4px;
    width: 60px;
    background-color: var(--color-primary);
    margin: 1rem auto;
    border-radius: 2px;
}

.card {
    background-color: var(--color-surface);
    border-radius: 0.75rem;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    position: relative;
}
.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.card-featured {
    grid-column: 1 / -1; /* spans full width on grid */
    border-top: 4px solid var(--color-primary);
}
@media (min-width: 1024px) {
    .card-featured {
        grid-column: span 2;
    }
}

.card-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--color-accent);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.5rem 1rem;
    border-bottom-left-radius: 0.75rem;
    border-top-right-radius: 0.75rem;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.card h3 {
    font-size: 1.5rem;
    color: var(--color-secondary);
    margin-bottom: 1rem;
}

.price-tag, .price-simple {
    margin-bottom: 2rem;
}
.price-tag .amount, .price-simple .amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-secondary);
}
.price-tag .tax, .price-simple .period {
    font-size: 1rem;
    color: var(--color-text-light);
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.feature-list li {
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.check {
    color: #10b981;
    font-weight: bold;
}

.alert.box {
    background-color: #fef3c7;
    border-left: 4px solid #f59e0b;
    padding: 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    color: #92400e;
}

/* Jobs */
.jobs-subtitle { margin-bottom: 3rem; }
.job-card {
    background-color: #1e293b;
    border: 1px solid #334155;
    border-radius: 0.75rem;
    padding: 3rem;
    max-width: 600px;
    margin: 0 auto;
}
.job-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}
.job-card h3 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Footer */
.footer {
    background-color: #020617; /* Very dark blue/black */
    padding: 4rem 0 2rem;
    border-top: 1px solid #1e293b;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer h4 {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer address {
    font-style: normal;
    line-height: 1.8;
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 2rem;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 5rem;
        left: 0;
        width: 100%;
        background-color: var(--color-secondary);
        padding: 2rem;
        box-shadow: var(--shadow-lg);
    }
    .nav-links.active {
        display: flex;
    }
    .mobile-menu-btn {
        display: block;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-actions {
        flex-direction: column;
    }
}