/* Swiss-Industrial Design System */
:root {
    --color-bg: #1A1A1A;
    --color-text: #FFFFFF;
    --color-accent-blue: #0055AA;
    --color-accent-orange: #FF4500;
    --color-surface: #262626;
    --color-border: #333333;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --radius-sm: 4px;
    --radius-md: 8px;
    --header-height: 80px;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
}

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

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.2;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

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

/* Typography Utilities */
.highlight {
    color: var(--color-accent-blue);
}

/* Navigation */
.sticky-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: background var(--transition-medium), height var(--transition-medium);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sticky-nav.scrolled {
    background: rgba(26, 26, 26, 0.95);
    height: 70px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.nav-container {
    width: 100%;
    max-width: 1200px;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 0.1em;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-links li a {
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.8;
}

.nav-links li a:hover {
    opacity: 1;
    color: var(--color-accent-blue);
}

.cta-btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.cta-btn.small {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    background-color: transparent;
    border: 1px solid var(--color-accent-blue);
    color: var(--color-accent-blue);
}

.cta-btn.small:hover {
    background-color: var(--color-accent-blue);
    color: var(--color-text);
}

.mobile-menu-icon {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu-icon span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-sm);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(26, 26, 26, 0.4) 0%, var(--color-bg) 90%);
    z-index: 1;
}

/* Technical Grid Background Pattern */
.tech-grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 0;
    opacity: 0.5;
    /* Optional: Add a slight subtle animation or transform if desired, but keeping it static for performance */
}

/* Add a diagonal line for extra "blueprint" feel */
.tech-grid-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(45deg,
            rgba(255, 255, 255, 0.01),
            rgba(255, 255, 255, 0.01) 1px,
            transparent 1px,
            transparent 10px);
}


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

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
}

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

.cta-btn.primary {
    background-color: var(--color-accent-blue);
    color: white;
    border: 1px solid var(--color-accent-blue);
}

.cta-btn.primary:hover {
    background-color: #004499;
    transform: translateY(-2px);
}

.cta-btn.secondary {
    background-color: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-btn.secondary:hover {
    border-color: white;
    background-color: rgba(255, 255, 255, 0.05);
}

/* Triple Pillar Section (Services) */
.pillars {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-surface);
}

.pillar-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.pillar-card {
    background-color: var(--color-bg);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.pillar-card.medical {
    border-color: rgba(0, 85, 170, 0.3);
    /* Subtle hint for medical */
}

.pillar-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent-blue);
}

.icon-box {
    width: 64px;
    height: 64px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent-blue);
}

.pillar-card h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.2rem;
}

.pillar-card p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
}


/* Authority Section */
.authority {
    padding: var(--spacing-lg) 0;
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-sm);
}

.section-header h2 {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.divider {
    height: 1px;
    background-color: var(--color-border);
    width: 100%;
}

.project-gallery {
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--spacing-md);
}

.project-card {
    background-color: var(--color-surface);
    height: 300px;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    position: relative;
    border: 1px solid var(--color-border);
    transition: var(--transition-fast);
}

.project-card.featured {
    grid-row: span 2;
    height: auto;
    /* Fill height */
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 50%, rgba(0, 0, 0, 0.8)),
        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect fill="%23222" width="100" height="100"/><circle cx="50" cy="50" r="40" stroke="%23333" stroke-width="2" fill="none"/></svg>') no-repeat center center;
    background-size: cover;
}

.project-card:hover {
    border-color: var(--color-text);
}

.project-gallery.single-row {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
}

.project-card.row-layout {
    flex-direction: row;
    height: auto;
    padding: 0;
    align-items: stretch;
}

.project-image {
    width: 40%;
    min-height: 250px;
    background-size: cover;
    background-position: center;
    border-right: 1px solid var(--color-border);
}

.project-card.row-layout .project-info {
    width: 60%;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

@media (max-width: 768px) {
    .project-card.row-layout {
        flex-direction: column;
    }
    .project-image, .project-card.row-layout .project-info {
        width: 100%;
    }
    .project-image {
        min-height: 200px;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }
}

.category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-blue);
    margin-bottom: var(--spacing-xs);
    display: block;
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.project-info p {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.7);
}

.details-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: white;
    text-decoration: underline;
}

/* Trust Signals */
.trust {
    padding: var(--spacing-md) 0 var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.trust-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: var(--spacing-md);
}

.logo-slider {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    opacity: 0.6;
}

.partner-logo {
    font-weight: 700;
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Contact Drawer */
.contact-drawer {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100%;
    background-color: var(--color-surface);
    z-index: 2000;
    transition: right var(--transition-medium);
    padding: var(--spacing-lg) var(--spacing-md);
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.5);
    border-left: 1px solid var(--color-accent-blue);
}

.contact-drawer.open {
    right: 0;
}

.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1500;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-medium);
    backdrop-filter: blur(2px);
}

.drawer-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.close-drawer {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: none;
    color: white;
    font-size: 2rem;
    padding: 0.5rem;
}

.drawer-content h2 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-accent-blue);
}

.drawer-content p {
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    color: white;
    font-family: inherit;
    border-radius: var(--radius-sm);
}

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

.full-width {
    width: 100%;
}


/* Footer */
footer {
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
    background-color: var(--color-bg);
}

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

.footer-brand h4 {
    margin-bottom: 0.25rem;
}

.footer-brand p,
.footer-cert p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

.glow-email {
    display: inline-block;
    margin-top: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-accent-blue);
    text-shadow: 0 0 8px rgba(0, 85, 170, 0.6);
    transition: text-shadow 0.3s ease, color 0.3s ease;
}

.glow-email:hover {
    color: #3388ff;
    text-shadow: 0 0 15px rgba(51, 136, 255, 0.9), 0 0 5px rgba(255, 255, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 900px) {
    .pillar-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .hero-title {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background-color: var(--color-bg);
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
    }

    .nav-links.mobile-open {
        display: flex;
    }

    .mobile-menu-icon {
        display: flex;
        /* Show hamburger icon */
    }

    .pillar-grid,
    .project-gallery {
        grid-template-columns: 1fr;
    }

    .project-card.featured {
        grid-row: auto;
    }

    .contact-drawer {
        width: 100%;
        max-width: 100%;
        right: -100%;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

/* About Section Dynamic Video Background Simulation */
.about {
    position: relative;
    padding: 10rem 0; /* Increase padding for more dramatic cinematic feel */
    background-color: #000; /* Fallback */
    overflow: hidden;
    color: white;
}

.video-carousel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.video-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    transform: scale(1);
}

.video-slide.active {
    opacity: 1;
    animation: slowPan 6s linear forwards; /* Simulated slow-motion video */
}

@keyframes slowPan {
    0% { transform: scale(1.05) translate(0, 0); }
    100% { transform: scale(1.15) translate(-1%, 1%); }
}

.about-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(26, 26, 26, 0.8) 100%);
    z-index: 1;
}

.about-container {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-title {
    color: #ffffff;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.6);
    margin-bottom: var(--spacing-xs);
}

.about-text {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
    font-weight: 300;
}

.about-highlight {
    color: var(--color-accent-blue);
    font-weight: 700;
}