:root {
    /* Color Palette */
    --bg-snow: #F9FAFB;
    --midnight-blue: #0F172A;
    --helsinki-sky: #38B2AC;
    --frost-grey: #E2E8F0;
    --white: #FFFFFF;

    /* Typography */
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    /* Transitions */
    --transition-slow: all 0.5s ease;

    /* Shadows */
    --shadow-light: 0 10px 40px -10px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 50px -12px rgba(15, 23, 42, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-snow);
    color: var(--midnight-blue);
    font-family: var(--font-body);
    line-height: 1.8;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
.navbar {
    padding: 1.5rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(12px);
    background: rgba(249, 250, 251, 0.85);
    border-bottom: 1px solid var(--frost-grey);
}

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

.nav-logo {
    height: 32px;
    transition: var(--transition-slow);
}

.lang-switcher {
    display: flex;
    gap: 0.25rem;
    background: var(--white);
    padding: 0.25rem;
    border-radius: 8px;
    /* rounded-md equivalent */
    border: 1px solid var(--frost-grey);
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--midnight-blue);
    padding: 0.4rem 0.8rem;
    cursor: pointer;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.75rem;
    transition: var(--transition-slow);
    opacity: 0.6;
}

.lang-btn.active {
    background: var(--midnight-blue);
    color: var(--white);
    opacity: 1;
}

.lang-btn:hover:not(.active) {
    background: var(--frost-grey);
    opacity: 1;
}

/* Subsidiaries Section */
.subsidiaries {
    padding: 160px 0 100px;
}

.section-title {
    text-align: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 2.5rem;
    letter-spacing: -0.02em;
    margin-bottom: 5rem;
    color: var(--midnight-blue);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.card {
    position: relative;
    background: var(--white);
    border-radius: 12px;
    /* rounded-md inspired but slightly more premium */
    padding: 3rem;
    text-decoration: none;
    color: inherit;
    border: 1px solid var(--frost-grey);
    box-shadow: var(--shadow-light);
    transition: var(--transition-slow);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--helsinki-sky);
}

.card-logo {
    height: 48px;
    margin-bottom: 2rem;
    display: block;
    object-fit: contain;
    max-width: 160px;
}

.card h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    color: var(--midnight-blue);
}

.card p {
    color: var(--midnight-blue);
    opacity: 0.7;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.visit-link {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--helsinki-sky);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-slow);
}

.visit-link svg {
    width: 18px;
    height: 18px;
    stroke-width: 1.5px;
    transition: var(--transition-slow);
}

.card:hover .visit-link {
    color: var(--midnight-blue);
}

.card:hover .visit-link svg {
    transform: translateX(4px);
}

/* Footer */
.footer {
    padding: 100px 0 40px;
    background: var(--white);
    border-top: 1px solid var(--frost-grey);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 6rem;
    margin-bottom: 4rem;
}

.footer-logo {
    height: 40px;
    margin-bottom: 2rem;
}

.footer-info p {
    opacity: 0.7;
    max-width: 450px;
}

.footer-address h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--midnight-blue);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.footer-address address {
    font-style: normal;
    opacity: 0.7;
    font-size: 0.9375rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2.5rem;
    border-top: 1px solid var(--frost-grey);
    opacity: 0.5;
    font-size: 0.8125rem;
}

/* Lucide Icon sizing fallback if needed */
[data-lucide] {
    width: 24px;
    height: 24px;
    stroke-width: 1.5;
}

/* Responsive */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
        margin-bottom: 3rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .subsidiaries {
        padding: 120px 0 60px;
    }
}