:root {
    color-scheme: light dark;
    --bg: #f6f7fb;
    --fg: #1b1f2a;
    --muted: #6a7384;
    --card: #ffffff;
    --border: #e3e6ee;
    --accent: #2266dd;
    --accent-fg: #ffffff;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f1320;
        --fg: #e6e9f2;
        --muted: #9aa3b5;
        --card: #1a1f30;
        --border: #2a3142;
        --accent: #5b8df0;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--fg);
    line-height: 1.55;
}

main {
    max-width: 42rem;
    margin: 3rem auto;
    padding: 0 1.25rem;
}

header h1 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    margin: 0 0 0.5rem;
    letter-spacing: -0.02em;
}

.lead {
    margin: 0 0 2rem;
    color: var(--muted);
    font-size: 1.05rem;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    margin: 0 0 1.25rem;
}

.card h2 {
    margin: 0 0 0.9rem;
    font-size: 1.1rem;
}

.services {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.6rem;
}

.services li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.6rem 0.8rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.services strong {
    font-weight: 600;
}

.services a {
    color: var(--accent);
    text-decoration: none;
    word-break: break-all;
    text-align: right;
}

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

code {
    background: rgba(127, 127, 127, 0.12);
    padding: 0.1em 0.4em;
    border-radius: 4px;
    font-size: 0.92em;
}

button {
    appearance: none;
    border: 0;
    background: var(--accent);
    color: var(--accent-fg);
    padding: 0.55rem 1rem;
    border-radius: 8px;
    font: inherit;
    cursor: pointer;
    transition: filter 0.15s;
}

button:hover { filter: brightness(1.08); }
button:active { filter: brightness(0.95); }

.muted { color: var(--muted); }

.wave {
    display: inline-block;
    animation: tilt 3s ease-in-out infinite;
}

@keyframes tilt {
    0%, 100% { transform: rotate(-6deg); }
    50% { transform: rotate(8deg); }
}

footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.85rem;
}