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

/* Variables */
:root {
    --bg: #080C0F;
    --bg2: #0D1117;
    --border: #1E2D3D;

    --green: #10B981;
    --green-dim: #0D4F35;

    --text: #E2E8F0;
    --text2: #94A3B8;
    --text3: #4A5568;

    --mono: 'JetBrains Mono', monospace;
    --sans: 'Syne', sans-serif;
}

/* Global */
html,
body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    min-height: 100vh;
}

body {
    display: flex;
    flex-direction: column;
}

a {
    color: inherit;
    text-decoration: none;
}

main {
    flex: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 24px 60px;
}

/* Header */
header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(13, 17, 23, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}

.nav {
    max-width: 1100px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -.02em;
}

.brand span {
    color: var(--green);
}

.nav ul {
    display: flex;
    gap: 6px;
    list-style: none;
}

.nav a.link {
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--text2);
    padding: 8px 12px;
    border-radius: 4px;
    transition: .2s;
}

.nav a.link:hover {
    color: var(--text);
    background: rgba(255,255,255,.04);
}

.nav a.link.active {
    color: var(--green);
}

.cta {
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--green);
    border: 1px solid var(--green);
    background: rgba(16,185,129,.08);
    padding: 8px 14px;
    border-radius: 4px;
    transition: .2s;
}

.cta:hover {
    background: rgba(16,185,129,.16);
}

/* Typography */
.kicker {
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .18em;
    color: var(--green);
    margin-bottom: 14px;
}

h1 {
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -.02em;
    max-width: 780px;
}

h1 em {
    font-style: normal;
    color: var(--green);
}

.lead {
    margin-top: 18px;
    font-size: 18px;
    line-height: 1.55;
    color: var(--text2);
    max-width: 640px;
}

/* Home */
.engines {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    margin-top: 60px;
}

.engine {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 24px;
}

.engine .tag {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--green);
}

.engine h3 {
    font-size: 22px;
    font-weight: 700;
    margin-top: 10px;
    letter-spacing: -.01em;
}

.engine p {
    margin-top: 10px;
    color: var(--text2);
    font-size: 14px;
    line-height: 1.6;
}

.engine ul {
    list-style: none;
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.engine ul li {
    position: relative;
    padding-left: 18px;
    color: var(--text2);
    font-family: var(--mono);
    font-size: 12px;
}

.engine ul li::before {
    content: "›";
    position: absolute;
    left: 0;
    color: var(--green);
}

/* About */
.grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    margin-top: 50px;
}

.card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 22px;
}

.card h3 {
    color: var(--green);
    margin-bottom: 8px;
    font-size: 16px;
    font-family: var(--mono);
    letter-spacing: .05em;
}

.card p {
    color: var(--text2);
    font-size: 14px;
    line-height: 1.6;
}

/* Contact */
.row {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    margin-top: 50px;
}

.label {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: .18em;
    color: var(--text3);
    text-transform: uppercase;
}

.value {
    margin-top: 8px;
    font-family: var(--mono);
    font-size: 15px;
    color: var(--green);
    word-break: break-all;
}

.value a:hover {
    text-decoration: underline;
}

.note {
    margin-top: 50px;
    padding: 22px;
    border: 1px dashed var(--green-dim);
    border-radius: 6px;
    color: var(--text2);
    font-size: 14px;
}

.note b {
    color: var(--green);
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    background: var(--bg2);
    padding: 18px 24px;
    text-align: center;
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text3);
}

footer .heart {
    color: var(--green);
}

/* Responsive */
@media (max-width: 768px) {
    main {
        padding: 60px 20px 50px;
    }

    .nav {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    .cta {
        width: 100%;
        text-align: center;
    }

    .engines,
    .grid,
    .row {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 36px;
    }

    .lead {
        font-size: 16px;
    }
    .footer-credit a{
    color: var(--green);
    text-decoration: none;
    font-weight: 600;
}

.footer-credit a:hover{
    text-decoration: underline;
    opacity: 0.9;
}
}