:root {
  --ink: #0b1020;
  --text: #1f2937;
  --muted: #5b6475;
  --line: #e6e8f0;
  --bg: #ffffff;
  --soft: #f6f7fb;
  --brand: #4f46e5;
  --brand-2: #7c3aed;
  --brand-ink: #ffffff;
  --brand-soft: #eef2ff;
  --ok: #059669;
  --code-bg: #0b1020;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 12px 32px rgba(16, 24, 40, 0.06);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
body { margin: 0; }
img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { color: var(--ink); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 750; }
h3 { font-size: 1.1rem; font-weight: 650; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.86em; }
:focus-visible { outline: 3px solid #a5b4fc; outline-offset: 2px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; background: #fff; padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }
.wrap { width: min(1160px, 100% - 40px); margin-inline: auto; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.center { text-align: center; }
.eyebrow { display: inline-block; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand); margin-bottom: 12px; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 650; border-radius: 10px; padding: 11px 18px; border: 1px solid var(--line); background: #fff; color: var(--ink); font-size: 0.95rem; transition: transform .15s ease, box-shadow .15s ease, background .15s; }
.btn:hover { text-decoration: none; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
.btn-primary:hover { background: #4338ca; }
.btn-lg { padding: 14px 22px; font-size: 1.02rem; }
.btn-ghost-light { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.25); }
.link-quiet { color: var(--text); font-weight: 600; font-size: .95rem; }

/* header */
.top { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.86); backdrop-filter: saturate(180%) blur(10px); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; gap: 28px; height: 66px; }
.logo { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; color: var(--ink); font-size: 1.08rem; letter-spacing: -0.02em; }
.logo:hover { text-decoration: none; }
.nav { display: flex; gap: 22px; }
.nav a { color: var(--text); font-weight: 550; font-size: .95rem; }
.nav a[aria-current="page"] { color: var(--brand); }
.top-cta { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.menu-btn { display: none; margin-left: auto; font: inherit; font-weight: 600; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 6px 12px; }

/* hero */
.hero { position: relative; overflow: hidden; padding: 84px 0 64px; background: radial-gradient(1200px 500px at 80% -10%, #e0e7ff 0%, rgba(224,231,255,0) 60%), radial-gradient(900px 400px at 0% 0%, #f3e8ff 0%, rgba(243,232,255,0) 55%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero .lead { font-size: 1.2rem; color: var(--muted); max-width: 560px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 18px; }
.checks { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--muted); font-size: .92rem; }
.checks li::before { content: "✓"; color: var(--ok); font-weight: 800; margin-right: 7px; }
.badge { display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-size: .85rem; font-weight: 600; color: var(--text); margin-bottom: 18px; box-shadow: var(--shadow); }
.badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 4px #dcfce7; }

/* call mock */
.call-mock { background: #0f172a; border-radius: 20px; padding: 14px; box-shadow: 0 30px 80px rgba(49, 46, 129, .35); position: relative; }
.call-mock .bar { display: flex; align-items: center; gap: 6px; margin-bottom: 12px; }
.call-mock .bar i { width: 10px; height: 10px; border-radius: 50%; background: #334155; display: block; }
.call-mock .bar .rec { margin-left: auto; color: #fecaca; font-size: .78rem; font-weight: 700; display: flex; align-items: center; gap: 6px; }
.call-mock .bar .rec::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #ef4444; animation: blink 1.4s infinite; }
@keyframes blink { 50% { opacity: .3; } }
.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.tile { aspect-ratio: 4/3; border-radius: 12px; position: relative; overflow: hidden; display: grid; place-items: center; }
.tile .avatar { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 1.4rem; }
.tile .name { position: absolute; left: 10px; bottom: 9px; color: #fff; font-size: .78rem; font-weight: 600; background: rgba(0,0,0,.35); padding: 2px 8px; border-radius: 6px; }
.tile .wave { position: absolute; right: 10px; bottom: 11px; display: flex; gap: 2px; align-items: flex-end; height: 14px; }
.tile .wave span { width: 3px; background: #a5b4fc; border-radius: 2px; animation: wave 1s ease-in-out infinite; }
.tile .wave span:nth-child(2) { animation-delay: .15s } .tile .wave span:nth-child(3) { animation-delay: .3s }
@keyframes wave { 0%,100% { height: 3px } 50% { height: 14px } }
.t1 { background: linear-gradient(135deg, #312e81, #4c1d95); } .t1 .avatar { background: #6366f1; }
.t2 { background: linear-gradient(135deg, #064e3b, #0f766e); } .t2 .avatar { background: #10b981; }
.call-controls { display: flex; justify-content: center; gap: 10px; margin-top: 12px; }
.call-controls span { width: 38px; height: 38px; border-radius: 50%; background: #1e293b; display: grid; place-items: center; color: #cbd5e1; font-size: .9rem; }
.call-controls span.end { background: #dc2626; color: #fff; }
.float-card { position: absolute; background: #fff; border-radius: 12px; box-shadow: var(--shadow); padding: 10px 14px; font-size: .82rem; font-weight: 600; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.float-card small { display: block; color: var(--muted); font-weight: 500; }
.fc1 { left: -28px; bottom: 42px; } .fc2 { right: -20px; top: -18px; }
@media (prefers-reduced-motion: reduce) { .call-mock .bar .rec::before, .tile .wave span { animation: none; } }

/* sections */
section { padding: 84px 0; }
.section-soft { background: var(--soft); }
.section-dark { background: var(--ink); color: #cbd5e1; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-head { max-width: 720px; margin: 0 auto 44px; text-align: center; }
.section-head p { color: var(--muted); font-size: 1.1rem; }
.section-dark .section-head p { color: #94a3b8; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; align-items: center; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: 0 1px 2px rgba(16,24,40,.03); }
.card p { color: var(--muted); margin: 0; }
.icon { width: 44px; height: 44px; border-radius: 12px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; margin-bottom: 14px; }
.icon svg { width: 22px; height: 22px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; text-align: center; }
.stat b { display: block; font-size: 2rem; color: var(--ink); letter-spacing: -0.02em; }
.stat span { color: var(--muted); font-size: .92rem; }
.steps { counter-reset: s; display: grid; gap: 18px; }
.step { display: grid; grid-template-columns: 40px 1fr; gap: 14px; }
.step::before { counter-increment: s; content: counter(s); width: 34px; height: 34px; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 800; display: grid; place-items: center; }
.step p { margin: 0; color: var(--muted); }
pre.code { background: var(--code-bg); color: #e2e8f0; border-radius: 12px; padding: 18px 20px; overflow-x: auto; line-height: 1.55; margin: 0; box-shadow: var(--shadow); }
pre.code .c { color: #64748b; } pre.code .k { color: #c4b5fd; } pre.code .s { color: #86efac; } pre.code .d { color: #fca5a5; } pre.code .a { color: #93c5fd; }
.uses { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.use { border-radius: var(--radius); padding: 22px; background: linear-gradient(180deg, #fff, #f9fafb); border: 1px solid var(--line); }
.use h3 { margin-bottom: 6px; }
.use p { color: var(--muted); font-size: .95rem; margin: 0; }
.cta-band { background: linear-gradient(120deg, var(--brand), var(--brand-2)); color: #e0e7ff; border-radius: 24px; padding: 54px; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band .btn-primary { background: #fff; color: var(--brand); border-color: #fff; }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 28px; display: flex; flex-direction: column; }
.plan.featured { border: 2px solid var(--brand); box-shadow: 0 20px 50px rgba(79,70,229,.15); position: relative; }
.plan.featured::before { content: "Most popular"; position: absolute; top: -13px; left: 24px; background: var(--brand); color: #fff; font-size: .75rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.plan .price { font-size: 2.4rem; font-weight: 800; color: var(--ink); letter-spacing: -0.03em; margin: 8px 0 2px; }
.plan .price small { font-size: .95rem; color: var(--muted); font-weight: 600; letter-spacing: 0; }
.plan ul { list-style: none; padding: 0; margin: 18px 0 24px; display: grid; gap: 9px; font-size: .95rem; }
.plan li::before { content: "✓"; color: var(--ok); font-weight: 800; margin-right: 9px; }
.plan li.no::before { content: "–"; color: #9ca3af; }
.plan .btn { margin-top: auto; }

/* calculator */
.calc { display: grid; grid-template-columns: 1.1fr .9fr; gap: 0; background: #fff; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; box-shadow: var(--shadow); }
.calc-in { padding: 32px; display: grid; gap: 22px; }
.calc-out { padding: 32px; background: var(--ink); color: #cbd5e1; display: flex; flex-direction: column; }
.calc-out h3 { color: #fff; }
.field label { display: flex; justify-content: space-between; font-weight: 600; color: var(--ink); margin-bottom: 8px; font-size: .95rem; }
.field label output { color: var(--brand); font-variant-numeric: tabular-nums; }
.field input[type=range] { width: 100%; accent-color: var(--brand); }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.seg button { font: inherit; font-weight: 600; font-size: .9rem; border: 0; background: #fff; padding: 8px 14px; cursor: pointer; color: var(--muted); }
.seg button[aria-pressed="true"] { background: var(--brand); color: #fff; }
.total { font-size: 3rem; font-weight: 800; color: #fff; letter-spacing: -0.03em; line-height: 1; margin: 10px 0 4px; }
.breakdown { margin: 22px 0; display: grid; gap: 10px; font-size: .93rem; }
.breakdown div { display: flex; justify-content: space-between; border-bottom: 1px dashed #334155; padding-bottom: 8px; }
.breakdown b { color: #fff; font-variant-numeric: tabular-nums; }
.calc-out .btn { margin-top: auto; }

/* tables / docs */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: var(--soft); font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
.yes { color: var(--ok); font-weight: 700; }
.docs { display: grid; grid-template-columns: 230px 1fr; gap: 44px; padding: 48px 0 84px; }
.docs nav { position: sticky; top: 90px; align-self: start; display: grid; gap: 6px; font-size: .93rem; }
.docs nav a { color: var(--muted); }
.docs article h2 { margin-top: 1.6em; padding-top: 12px; scroll-margin-top: 90px; }
.docs article h2:first-child { margin-top: 0; }
.docs article pre.code { margin: 12px 0 18px; }
.prose { max-width: 760px; padding: 56px 0 84px; }
.prose h2 { margin-top: 1.5em; font-size: 1.4rem; }
.note { background: var(--brand-soft); border: 1px solid #c7d2fe; border-radius: 12px; padding: 14px 16px; color: #312e81; }

/* faq */
.faq { max-width: 800px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 4px; }
.faq summary { font-weight: 650; color: var(--ink); cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; font-size: 1.05rem; }
.faq summary::after { content: "+"; color: var(--brand); font-weight: 800; }
.faq details[open] summary::after { content: "–"; }
.faq p { margin: 10px 0 0; color: var(--muted); }

/* forms */
.form { display: grid; gap: 16px; }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: .93rem; color: var(--ink); }
.form input, .form select, .form textarea { font: inherit; padding: 11px 13px; border: 1px solid #d1d5db; border-radius: 10px; font-weight: 400; color: var(--text); background: #fff; }
.form textarea { min-height: 120px; resize: vertical; }
.form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.alert { padding: 12px 14px; border-radius: 10px; font-weight: 500; }
.alert.ok { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.alert.err { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 54px 0 30px; background: #fff; }
.foot-in { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; }
.foot h3 { font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.foot-in > div:not(:first-child) a { display: block; color: var(--text); margin-bottom: 8px; font-size: .95rem; }
.foot-legal { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); }

@media (max-width: 960px) {
  .hero-grid, .grid-2, .calc, .docs { grid-template-columns: 1fr; }
  .grid-3, .plans, .uses, .grid-4, .stats { grid-template-columns: 1fr 1fr; }
  .foot-in { grid-template-columns: 1fr 1fr; }
  .docs nav { position: static; }
  .fc1, .fc2 { display: none; }
}
@media (max-width: 720px) {
  .nav, .top-cta .link-quiet { display: none; }
  .menu-btn { display: inline-block; }
  .top-cta { margin-left: 0; }
  .nav.open { display: flex; flex-direction: column; position: absolute; top: 66px; left: 0; right: 0; background: #fff; padding: 16px 20px; border-bottom: 1px solid var(--line); gap: 14px; }
  .grid-3, .plans, .uses, .grid-4, .stats, .foot-in, .form .row2 { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
  .cta-band { padding: 36px 22px; }
  .hero { padding-top: 52px; }
}

/* Let grid columns shrink below their content (wide code blocks/tables scroll inside instead). */
.hero-grid > *, .grid-2 > *, .docs > *, .calc > *, .step > * { min-width: 0; }
code { overflow-wrap: anywhere; }
pre.code code, pre.code { overflow-wrap: normal; }