/* Design Tokens */
:root {
    --primary-color: #00897B;
    /* Teal derived from logo */
    --primary-dark: #00695C;
    --primary-light: #4DB6AC;

    --secondary-color: #E0F2F1;
    /* Very light teal for backgrounds */
    --accent-color: #ECEFF1;
    /* Light Grey from logo border */

    --text-dark: #263238;
    /* Dark Blue Grey for primary text */
    --text-medium: #455A64;
    /* Med Blue Grey for secondary text */
    --text-light: #78909C;
    --text-white: #FFFFFF;

    --bg-white: #FFFFFF;
    --bg-off-white: #F9FAFB;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;

    --transition-base: all 0.3s ease;
    --container-width: 1200px;
    --header-height: 80px;
}

/* Homepage Specific Styles */
.hero {
    position: relative;
    /* Context for absolute video */
    height: 85vh;
    /* Maintain height */
    color: white;
    display: flex;
    align-items: center;
    text-align: center;
    overflow: hidden;
    /* Ensure video doesn't spill out */
    /* Ensure video doesn't spill out */
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -2;
    /* Behind overlay and content */
    transform: translateX(-50%) translateY(-50%);
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 137, 123, 0.65), rgba(0, 77, 64, 0.7));
    /* Reduced opacity for better video visibility */
    z-index: -1;
    /* Behind content, in front of video */
}

.hero-content h1 {
    color: white;
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-content p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    opacity: 0.9;
}

.section-padding {
    padding: 5rem 0;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-base);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.stats-section {
    background-color: var(--secondary-color);
    padding: 4rem 0;
}

.product-highlight {
    background: white;
    border-left: 5px solid var(--primary-color);
}

/* Navbar */
.navbar {
    background: white;
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    z-index: 1000;
    top: 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo img {
    height: 45px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.logo-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.1;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: #C5A059;
    /* Gold */
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

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

.nav-links a {
    font-weight: 500;
    color: var(--text-dark);
    transition: color 0.2s;
}

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

/* Dropdown Menu */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: white;
    min-width: 220px;
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    border-radius: 8px;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 0;
    border: 1px solid #eee;
}

.dropdown-content a {
    color: var(--text-dark);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 0.95rem;
    transition: background-color 0.2s;
    text-align: left;
}

.dropdown-content a:hover {
    background-color: var(--bg-off-white);
    color: var(--primary-color);
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* Mobile Dropdown adjustment */
@media (max-width: 768px) {
    .dropdown {
        width: 100%;
    }

    .dropdown-content {
        position: static;
        box-shadow: none;
        transform: none;
        width: 100%;
        display: none;
        /* Toggle via JS implies complexity, for now simpler to just show them indented or always show in mobile?
           Let's just show them indented by default in mobile if parent hovered/clicked?
           Actually, without JS for click toggle, hover won't work well on mobile.
           Let's just make them visible or stacked.
           For this user, I will simply make them separate items in mobile menu if possible, or assume simple hover.
           Safe Mobile Strategy: Display: block when parent is active?
           Standard: Just stack them. */
        display: block;
        padding-left: 0;
        background: #fcfcfc;
    }

    .dropdown:hover .dropdown-content {
        display: block;
    }

    .dropdown-content a {
        padding-left: 2rem;
        font-size: 0.9rem;
    }
}

/* Base Styles */
body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
    padding-top: var(--header-height);
}

/* Footer */
footer {
    background-color: var(--text-dark);
    color: white;
    padding: 4rem 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #B0BEC5;
    transition: color 0.2s;
}

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

.copyright {
    border-top: 1px solid #37474F;
    padding: 1.5rem 0;
    text-align: center;
    color: #78909C;
    font-size: 0.9rem;
}

/* Typography & Utilities */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--text-dark);
    font-weight: 700;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

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

.text-white {
    color: var(--text-white);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

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

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

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

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    h1 {
        font-size: 2rem !important;
    }

    h2 {
        font-size: 1.75rem !important;
    }

    h3 {
        font-size: 1.5rem !important;
    }

    .nav-container {
        padding: 0 1.5rem;
    }

    .mobile-menu-btn {
        display: block !important;
        font-size: 1.5rem;
        color: var(--primary-color);
        cursor: pointer;
        background: none;
        border: none;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: white;
        padding: 1rem 0;
        box-shadow: var(--shadow-md);
        gap: 0;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
    }

    .nav-links a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid #eee;
    }

    .hero {
        height: auto;
        padding: 6rem 0 4rem;
        clip-path: none;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .footer-content,
    .contact-grid,
    .product-grid,
    .container>div[style*='grid-template-columns'] {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }

    .product-visual {
        padding: 2rem;
        order: -1;
    }

    .product-grid {
        gap: 2rem;
    }

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

    .footer-col h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-col {
        align-items: center;
    }

    .footer-col div[style*='display: flex'] {
        justify-content: center;
    }
}

.mobile-menu-btn {
    display: none;
}

/* Comparison Table */
.comparison-section {
    background-color: var(--bg-white);
    padding: 5rem 0;
}

.comparison-table-wrapper {
    overflow-x: auto;
    box-shadow: var(--shadow-md);
    border-radius: 12px;
    background: white;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.comparison-table th,
.comparison-table td {
    padding: 1.25rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.comparison-table th {
    background-color: var(--secondary-color);
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 1rem;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table td:first-child {
    font-weight: 600;
    color: var(--text-dark);
    width: 25%;
    background-color: #fafafa;
}

/* Page Header (Global) */
.page-header {
    background-color: var(--secondary-color);
    padding: 4rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.breadcrumb {
    color: var(--text-medium);
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--text-dark);
    font-weight: 500;
}

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

/* Product Cards (Catalog) */
.product-card {
    background: white;
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 1px solid #eee;
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-card i {
    font-size: 5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

/* Feature List */
.feature-list {
    margin: 1.5rem 0;
    text-align: left;
    list-style: none;
    padding: 0;
}

.feature-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-medium);
}

.feature-list li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Product Grid Layout */
.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    align-items: start;
}

/* Product Visual (Detail Pages) */
.product-visual {
    background: var(--bg-off-white);
    border-radius: 12px;
    padding: 2.5rem;
    text-align: center;
    border: 1px solid #e0e0e0;
    position: sticky;
    top: 100px;
    align-self: start;
}

.product-visual i {
    font-size: 5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.product-specs {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    margin-top: 1.5rem;
    text-align: left;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.9rem;
}

.spec-row:last-child {
    border-bottom: none;
}

@media (max-width: 768px) {
    .product-visual {
        position: static !important;
        top: auto !important;
    }
}