:root {
    --violet-900: #2e1065;
    --violet-700: #6d28d9;
    --violet-600: #7c3aed;
    --violet-500: #8b5cf6;
    --violet-100: #ede9fe;
    --violet-50: #f5f3ff;
    --ink: #1e1b2e;
    --muted: #6b7280;
    --bg: #faf9fc;
    --card: #ffffff;
    --border: #e5e1f0;
    --ok: #059669;
    --err: #dc2626;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.6;
}

a { color: var(--violet-600); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

header.site {
    background: linear-gradient(135deg, var(--violet-900), var(--violet-600));
    color: #fff;
    padding: 18px 0;
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
header.site .logo { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; }
header.site nav { display: flex; gap: 18px; font-weight: 600; }
header.site nav a { color: #ede9fe; }
header.site nav a:hover { color: #fff; text-decoration: none; }

.hero { padding: 64px 0 32px; text-align: center; }
.hero h1 { font-size: 42px; line-height: 1.15; letter-spacing: -1px; }
.hero h1 .grad {
    background: linear-gradient(90deg, var(--violet-600), var(--violet-500));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero p.sub { color: var(--muted); font-size: 18px; max-width: 640px; margin: 16px auto 28px; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.06);
}

.grid { display: grid; gap: 20px; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }

.btn {
    display: inline-block;
    background: var(--violet-600);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 12px 22px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: background .15s;
}
.btn:hover { background: var(--violet-700); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--violet-600); border: 2px solid var(--violet-500); }
.btn.ghost:hover { background: var(--violet-50); }
.btn:disabled { opacity: .6; cursor: wait; }

label { font-weight: 600; font-size: 14px; display: block; margin: 10px 0 4px; }
input, select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 15px;
    background: #fff;
}
input:focus, select:focus { outline: 2px solid var(--violet-500); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

.msg { margin-top: 14px; padding: 10px 14px; border-radius: 10px; font-size: 14px; display: none; }
.msg.err { background: #fee2e2; color: var(--err); }
.msg.ok { background: #d1fae5; color: var(--ok); }
.msg.show { display: block; }

.result { margin-top: 18px; }
.result .price { font-size: 34px; font-weight: 800; color: var(--violet-700); }
.result .range { color: var(--muted); font-size: 15px; }
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 6px 14px; margin-top: 12px; font-size: 14px; }
.kv dt { font-weight: 700; color: var(--muted); }section.pricing { padding: 48px 0; }
section h2 { font-size: 28px; text-align: center; margin-bottom: 8px; letter-spacing: -0.5px; }
section .lead { text-align: center; color: var(--muted); margin-bottom: 28px; }

.plan-card { position: relative; }
.plan-card .plan-name { font-size: 18px; font-weight: 800; }
.plan-card .price { font-size: 32px; font-weight: 800; color: var(--violet-700); margin: 6px 0; }
.plan-card .price small { font-size: 14px; color: var(--muted); font-weight: 600; }
.plan-card ul { list-style: none; margin-top: 8px; }
.plan-card ul li { padding: 6px 0 6px 24px; position: relative; font-size: 14px; color: #374151; }
.plan-card ul li::before {
    content: '\2713';
    position: absolute; left: 0; top: 6px;
    color: var(--violet-600); font-weight: 800;
}
.plan-card.popular { border: 2px solid var(--violet-500); }
.plan-card.popular::after {
    content: 'Più scelto';
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--violet-600); color: #fff; font-size: 11px; font-weight: 800;
    padding: 3px 12px; border-radius: 999px;
}

.badge {
    display: inline-block;
    background: var(--violet-100);
    color: var(--violet-700);
    font-size: 12px; font-weight: 800;
    padding: 3px 10px; border-radius: 999px;
    letter-spacing: .5px; text-transform: uppercase;
}

table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
table.tbl th, table.tbl td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
table.tbl th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }

footer.site { background: var(--violet-900); color: #c4b5fd; padding: 28px 0; margin-top: 56px; font-size: 14px; }
footer.site a { color: #ddd6fe; }
footer.site .cols { display: flex; gap: 40px; flex-wrap: wrap; justify-content: space-between; }

.prose { max-width: 760px; margin: 0 auto; }
.prose h1 { font-size: 32px; margin-bottom: 12px; }
.prose h2 { font-size: 22px; text-align: left; margin: 26px 0 8px; }
.prose p { color: #374151; margin-bottom: 12px; }
.prose ul, .prose ol { margin: 0 0 14px 22px; color: #374151; }

.code {
    background: var(--violet-900);
    color: #e9d5ff;
    border-radius: 10px;
    padding: 14px 16px;
    font-family: 'Cascadia Code', monospace;
    font-size: 13px;
    overflow-x: auto;
    margin: 10px 0 16px;
    white-space: pre;
}

.tabs { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.tabs button {
    border: 1px solid var(--border); background: #fff; color: var(--ink);
    padding: 8px 16px; border-radius: 999px; font-weight: 700; cursor: pointer; font-size: 14px;
}
.tabs button.active { background: var(--violet-600); color: #fff; border-color: var(--violet-600); }

.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 36px; height: 36px; flex-shrink: 0; }
.logo-text { font-size: 1.15rem; font-weight: 400; letter-spacing: -.01em; }
.logo-text strong { color: var(--violet-200, #ddd6fe); font-weight: 700; }
header.site .logo-text { color: #ede9fe; }
header.site .logo-text strong { color: #fff; }