:root {
    /* Colors */
    --primary-color: #0056b3;
    /* Medical Blue */
    --primary-dark: #004494;
    --secondary-color: #f0f4f8;
    /* Light Blue-Grey */
    --accent-color: #00a8e8;
    /* Bright Blue */
    --text-dark: #1a202c;
    --text-light: #4a5568;
    --white: #ffffff;
    --background: #ffffff;
    --background-alt: #f7fafc;
    --border-color: #e2e8f0;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --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);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--background);
}

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

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

.bg-light {
    background-color: var(--background-alt);
    background-image: linear-gradient(rgba(247, 250, 252, 0.92), rgba(247, 250, 252, 0.92)), url('../assets/medical_bg_pattern.png');
    background-size: 400px;
}

.grid {
    display: grid;
    gap: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    font-weight: 500;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

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

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

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

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

/* Top Bar */
.top-bar {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.35rem 0;
    font-size: 0.85rem;
    font-weight: 500;
}

.top-bar .container {
    display: flex;
    justify-content: flex-start;
    gap: var(--spacing-md);
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.top-bar a {
    color: var(--white);
    text-decoration: none;
}

.top-bar a:hover {
    text-decoration: underline;
}

/* Header */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-brand {
    height: 48px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-main {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-tagline {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-light);
}

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

.nav-list a {
    font-weight: 500;
    color: var(--text-light);
}

.nav-list a.active,
.nav-list a:hover {
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-remote-support {
    background-color: var(--secondary-color);
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    color: var(--primary-color) !important;
    border: 1px solid var(--primary-color);
}

.nav-remote-support:hover {
    background-color: var(--primary-color) !important;
    color: var(--white) !important;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(240, 244, 248, 0.95) 0%, rgba(255, 255, 255, 0.95) 100%), url('../assets/medical_bg_pattern.png');
    background-size: 500px;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
    line-height: 1.2;
}

.hero h2 {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
}

.hero .hero-accent {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

/* Services */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

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

.service-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.icon-box {
    width: 48px;
    height: 48px;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.25rem;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Highlights */
.highlight-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.check-list li {
    padding-left: 24px;
    position: relative;
    margin-bottom: var(--spacing-xs);
    color: var(--text-light);
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.image-placeholder {
    background-color: var(--border-color);
    height: 300px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

/* Footer */
.footer {
    background-color: #1a202c;
    color: var(--white);
    padding-top: var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm) 0;
    text-align: center;
    font-size: 0.875rem;
    color: #a0aec0;
}

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
        padding: 0.5rem;
    }

    .top-bar .container {
        flex-direction: column;
        gap: 0.25rem;
        align-items: center;
        text-align: center;
    }

    .hamburger {
        display: block;
        width: 24px;
        height: 2px;
        background-color: var(--text-dark);
        position: relative;
        transition: var(--transition-fast);
    }

    .hamburger::before,
    .hamburger::after {
        content: '';
        position: absolute;
        width: 24px;
        height: 2px;
        background-color: var(--text-dark);
        left: 0;
        transition: var(--transition-fast);
    }

    .hamburger::before {
        top: -8px;
    }

    .hamburger::after {
        bottom: -8px;
    }

    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
    }

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

    .hero h1 {
        font-size: 2rem;
    }

    .highlight-wrapper {
        grid-template-columns: 1fr;
    }
}

/* Certifications */
.certifications-container {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

.cert-logo {
    max-height: 80px;
    width: auto;
    filter: grayscale(0.2);
    transition: var(--transition-fast);
    padding: 5px;
    background: var(--white);
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.cert-logo:hover {
    filter: grayscale(0);
    transform: scale(1.05);
}