@import url('https://fonts.googleapis.com/css2?family=Titillium+Web:wght@300;400;600;700;800&display=swap');

:root {
    --h3-bg: #090d16;          /* Deep Aerospace Midnight */
    --h3-card: #121a2e;        /* Technical Slate Navy */
    --h3-border: #1e2942;      /* Structural Blue-Grey Border */
    --h3-cyan: #00bfff;        /* H3 Electric Tech Cyan Accent */
    --h3-cyan-hover: #0099cc;  /* Deepened Cyan State */
    --h3-text: #f1f5f9;        /* High-contrast Technical White */
    --h3-muted: #64748b;       /* Muted Label Slate */
}

body {
    font-family: 'Titillium Web', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--h3-bg);
    color: var(--h3-text);
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 100vh;
    padding: 60px 20px;
    box-sizing: border-box;
}

.container {
    text-align: center;
    max-width: 1100px;
    width: 100%;
    box-sizing: border-box;
}

.header-wrapper {
    margin-bottom: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo {
    height: 48px;
    width: auto;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.5rem;
    margin: 0 0 5px 0;
    font-weight: 800;
    letter-spacing: -0.015em;
    text-transform: uppercase;
}

p {
    color: var(--h3-muted);
    margin: 0 0 20px 0;
    font-size: 1.1rem;
    letter-spacing: 0.03em;
}

.nav-toggle-btn {
    display: inline-block;
    background-color: transparent;
    border: 1px solid var(--h3-border);
    color: var(--h3-cyan);
    padding: 8px 18px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.2s ease-in-out;
}

.nav-toggle-btn:hover {
    background-color: var(--h3-border);
    border-color: var(--h3-cyan);
    color: var(--h3-text);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    width: 100%;
}

.card {
    background-color: var(--h3-card);
    border: 1px solid var(--h3-border);
    border-radius: 8px;
    padding: 35px 25px;
    text-decoration: none;
    color: var(--h3-text);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--h3-cyan);
    box-shadow: 0 10px 25px -5px rgba(0, 191, 255, 0.15);
}

.icon-wrapper svg {
    width: 48px;
    height: 48px;
    fill: none;
    stroke: var(--h3-cyan);
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    margin-bottom: 20px;
    transition: stroke 0.25s ease;
}

.card:hover .icon-wrapper svg {
    stroke: var(--h3-text);
}

.card h2 {
    font-size: 1.35rem;
    margin: 0 0 8px 0;
    font-weight: 700;
}

.card span {
    font-size: 0.875rem;
    color: var(--h3-muted);
    line-height: 1.4;
    font-weight: 400;
}