:root {
    /* Colors */
    --color-white: #ffffff;
    --color-light-gray: #f8f9fa;
    --color-gray: #e9ecef;
    --color-dark-gray: #343a40;
    --color-graphite: #212529;
    --color-brand-green: #1a4d2e;
    --color-brand-green-hover: #143a22;
    --color-accent-yellow: #ffc107;
    --color-error: #dc3545;

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --line-height-base: 1.6;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Components */
    --border-radius: 8px;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --transition-base: all 0.3s ease;
}

/* Base Styles */
body {
    font-family: var(--font-main);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-graphite);
    background-color: var(--color-white);
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--color-graphite);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-base);
}

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

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    margin: 0;
    padding: 0;
}

.nav-menu a {
    font-weight: 500;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-menu a:hover {
    color: var(--color-brand-green);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.phone-link {
    font-weight: 700;
    color: var(--color-brand-green);
}

.btn-contact {
    background: var(--color-brand-green);
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
}

.btn-contact:hover {
    background: var(--color-brand-green-hover);
    color: var(--color-white);
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    background: var(--color-light-gray);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

/* Cards */
.card-modern {
    background: var(--color-white);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    border: 1px solid var(--color-gray);
}

.card-modern:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-brand-green);
}

/* Buttons */
.btn-primary {
    background: var(--color-brand-green);
    color: var(--color-white);
    border: none;
}

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

.btn-accent {
    background: var(--color-accent-yellow);
    color: var(--color-graphite);
}

/* Utility */
.section-padding {
    padding: var(--spacing-lg) 0;
}

/* Navigation */
.hover-white:hover {
    color: var(--color-white) !important;
}

.text-primary {
    color: var(--color-brand-green) !important;
}

.bg-primary {
    background-color: var(--color-brand-green) !important;
}

/* Product Info */
.product-info-modern h1 {
    font-size: 2.5rem;
    color: var(--color-graphite);
}

.badge {
    padding: 0.5rem 0.75rem;
    font-weight: 500;
}

/* Breadcrumb */
.breadcrumb-item a {
    color: var(--color-brand-green);
}

.breadcrumb-item.active {
    color: var(--color-dark-gray);
}

/* Search bar */
.search-bar-modern .form-control {
    border-radius: var(--border-radius);
    padding: 0.75rem 1.25rem;
    border: 1px solid var(--color-gray);
}

.search-bar-modern .form-control:focus {
    border-color: var(--color-brand-green);
    box-shadow: 0 0 0 0.2rem rgba(26, 77, 46, 0.25);
}

/* Responsive fixes */
@media (max-width: 991px) {
    .header-inner {
        height: 70px;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .main-header + div {
        margin-top: 180px !important;
    }
}

/* Mobile Menu Overwrite */
.mobile-menu_wrapper {
    background: var(--color-white);
}

.offcanvas-navigation .mobile-menu li a {
    font-size: 1.1rem;
    font-weight: 600;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-light-gray);
}

/* Forms and Modals */
.form-control-lg {
    border-radius: var(--border-radius);
    padding: 1rem;
    font-size: 1rem;
    border: 1px solid var(--color-gray);
}

.modal-content {
    border-radius: 12px;
}

/* Animations */
.btn-contact, .btn-secondary, .card-modern, .nav-menu a {
    transition: var(--transition-base);
}

/* Scroll top */
.scroll-to-top {
    width: 50px;
    height: 50px;
    background: var(--color-brand-green);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.scroll-to-top:hover {
    background: var(--color-brand-green-hover);
    color: var(--color-white);
}

/* Responsive Table */
.table-borderless td {
    padding-left: 0;
    padding-right: 0;
}

/* Custom spacing */
.mt-140 {
    margin-top: 140px;
}

/* Hover effects */
.brand-item:hover {
    border-color: var(--color-brand-green) !important;
    transform: translateY(-2px);
}