/* ======================================================
   1. COLOR & FONT VARIABLES (Matching Institutional Style)
   ====================================================== */
:root {
    /* Primary Institutional Color (Deep Maroon/Red) */
    --color-primary: #800000;
    /* Secondary Accent Color (Gold/Yellow for subtle highlights) */
    --color-accent: #FFD700;
    /* Clean Background Color (Off-White/Very Light Gray) */
    --color-background: #F9FAFB;
    /* Standard Text Color */
    --color-text: #374151;

    --font-family: 'Montserrat', 'Arial', sans-serif;
}

body {
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    background-color: var(--color-background); /* Calm background */
    color: var(--color-text);
    text-align: center;
    min-height: 100vh; /* Ensures background covers full height */
}

/* ======================================================
   2. HEADER & BRANDING
   ====================================================== */
header {
    padding: 30px 20px 20px;
    background-color: var(--color-background); 
}

header img {
    max-width: 160px; /* Size the logo */
    height: auto;
    margin-bottom: 10px;
}

header h1 {
    font-size: 2.4em;
    color: var(--color-primary);
    margin: 5px 0 0;
}

header p {
    font-size: 1.1em;
    color: #6B7280; 
    margin: 10px 0 0;
}

/* ======================================================
   3. THE GATEWAY CARDS (Core of the Design)
   ====================================================== */
.gateway-cards {
    display: flex;
    justify-content: center;
    align-items: stretch; 
    max-width: 1200px; 
    margin: 20px auto;
    gap: 40px; 
    padding: 0 20px;
}

.card {
    flex: 1; 
    text-decoration: none;
    background-color: var(--color-white);
    border-radius: 15px;
    overflow: hidden; 
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1); 
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    cursor: pointer;
    text-align: left;
    border: 3px solid transparent; /* Prepare for border highlight */
}

/* Hover Effect: Subtle lift, professional shadow, and gold border highlight */
.card:hover {
    transform: translateY(-8px); 
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
    border-color: var(--color-accent); /* Highlight border on hover */
}

.card-image {
    width: 100%;
    height: 350px; /* Large, consistent height for impact */
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease;
}

.card:hover .card-image {
    transform: scale(1.05); /* Slight image zoom on hover */
}

.card h2 {
    color: var(--color-primary);
    font-size: 2em;
    padding: 20px 30px 5px;
    margin: 0;
}

.cta {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 700;
    padding: 0 30px 25px;
    font-size: 1.2em;
    /* Optional: Small accent line under CTA */
    border-bottom: 2px solid var(--color-accent); 
}

/* ======================================================
   4. FOOTER
   ====================================================== */
footer {
    padding: 25px;
    background-color: var(--color-white);
    color: #6B7280;
    font-size: 0.9em;
    border-top: 1px solid #E5E7EB;
    margin-top: auto; /* Pushes footer to bottom */
}

footer a {
    color: var(--color-primary);
    text-decoration: none;
}

/* ======================================================
   5. MOBILE RESPONSIVENESS
   ====================================================== */
@media (max-width: 800px) {
    .gateway-cards {
        flex-direction: column; 
        gap: 30px;
        margin: 30px auto;
    }

    .card {
        max-width: 90%; 
        margin: 0 auto;
    }
    
    .card-image {
        height: 250px;
    }
}