:root {
    --bg: #ffffff;
    --bgElev: #f7f7fb;
    --text: #101114;
    --muted: #5b5f6a;
    --border: #e6e7ee;

    --accent: #0078d4;  /* Fluent-ish blue */
    --accent2: #6b5cff; /* subtle secondary */

    --shadow: 0 16px 42px rgba(0,0,0,.08);

    --radius: 18px;
    --container: 1120px;
}

html[data-theme="dark"] {
    --bg: #0b0c10;
    --bgElev: #11131a;
    --text: #f2f4f8;
    --muted: #a9afbd;
    --border: #232635;

    --accent: #4aa8ff;
    --accent2: #9b8cff;

    --shadow: 0 18px 55px rgba(0,0,0,.45);
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    background: var(--bg);
    color: var(--text);
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.section {
    padding: 4rem 0;
}

.h2 {
    font-size: 2rem;
    letter-spacing: -0.03em;
    margin: 0 0 .6rem;
}

.h3 {
    font-size: 1.15rem;
    letter-spacing: -0.02em;
    margin: 0 0 .4rem;
}

.lead {
    font-size: 1.08rem;
    color: var(--muted);
    margin: 0;
}

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

.mt-xl { margin-top: 2rem; }

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

@media (max-width: 960px) {
    .grid-2 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
}

.card {
    border: 1px solid var(--border);
    background: var(--bgElev);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.list {
    margin: 0 0 1rem;
    padding-left: 1.2rem;
    color: var(--muted);
}

.w-100 { width: 100%; }

/* Buttons (simple + fits Fluent) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .55rem .9rem;
    border-radius: 14px;
    border: 1px solid var(--border);
    text-decoration: none;
    color: var(--text);
    background: var(--bgElev);
    font-weight: 650;
    letter-spacing: -0.01em;
}

.btn:hover {
    background: color-mix(in srgb, var(--bgElev) 88%, var(--accent) 12%);
}

.btn-primary {
    border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
    background: color-mix(in srgb, var(--accent) 22%, var(--bgElev));
}

.btn-ghost {
    background: transparent;
}

.btn-lg {
    padding: .7rem 1.1rem;
    border-radius: 16px;
}