:root {
  --ink: #0e1b2c;
  --ink-2: #33455c;
  --muted: #5d6e82;
  --line: #e3e8ef;
  --bg: #ffffff;
  --bg-soft: #f5f7fa;
  --brand: #1446d8;
  --brand-dark: #0d34a8;
  --brand-soft: #e8eefd;
  --accent: #10b981;
  --radius: 14px;
  --shadow: 0 1px 2px rgb(14 27 44 / 6%), 0 8px 24px rgb(14 27 44 / 6%);
  --font: 'Plus Jakarta Sans', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { max-width: 100%; }
.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding-inline: 20px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--ink); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 10; }

/* header */
.top { position: sticky; top: 0; z-index: 5; background: rgb(255 255 255 / 88%); backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; letter-spacing: -0.02em; text-decoration: none; }
.logo-mark { width: 30px; height: 30px; border-radius: 9px; background: linear-gradient(135deg, var(--brand), #3b82f6); display: grid; place-items: center; color: #fff; font-size: 0.95rem; }
.nav { display: flex; align-items: center; gap: 24px; font-size: 0.93rem; }
.nav a { text-decoration: none; color: var(--ink-2); }
.nav a:hover { color: var(--brand); }
.nav a.btn-primary, .nav a.btn-primary:hover { color: #fff; }
.nav .lang { color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; font-size: 0.85rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 22px; border-radius: 999px; font-weight: 700; font-size: 0.97rem; text-decoration: none; border: 1px solid transparent; transition: background 0.15s, border-color 0.15s, transform 0.15s; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-ghost { border-color: var(--line); background: #fff; color: var(--ink); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-sm { min-height: 38px; padding: 0 16px; font-size: 0.9rem; }
@media (max-width: 820px) { .nav .hide-sm { display: none; } }

/* hero */
.hero { padding-block: 88px 72px; background: radial-gradient(900px 420px at 85% -10%, var(--brand-soft), transparent 70%), var(--bg); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-block; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand); background: var(--brand-soft); padding: 6px 12px; border-radius: 999px; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); line-height: 1.1; letter-spacing: -0.035em; margin: 18px 0 18px; }
.lead { font-size: 1.12rem; color: var(--ink-2); margin: 0 0 30px; max-width: 34em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.mock { border-radius: 18px; background: #fff; border: 1px solid var(--line); box-shadow: 0 30px 60px -20px rgb(14 27 44 / 25%); overflow: hidden; }
.mock-bar { display: flex; gap: 6px; align-items: center; padding: 12px 14px; border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #d4dbe5; }
.mock-bar span { margin-left: 10px; font-size: 0.75rem; color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 2px 10px; }
.mock-body { display: grid; grid-template-columns: 120px 1fr; min-height: 290px; }
.mock-side { background: var(--ink); padding: 16px 12px; display: flex; flex-direction: column; gap: 10px; }
.mock-side b { height: 8px; border-radius: 4px; background: rgb(255 255 255 / 18%); }
.mock-side b.on { background: #3b82f6; }
.mock-main { padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.mock-h { height: 12px; width: 45%; border-radius: 6px; background: var(--ink); opacity: 0.85; }
.mock-row { display: grid; grid-template-columns: 44px 1fr 60px; gap: 10px; align-items: center; padding: 8px; border: 1px solid var(--line); border-radius: 10px; }
.mock-row .th { height: 32px; border-radius: 8px; background: linear-gradient(135deg, #c7d7fb, #eef3fe); }
.mock-row .tx { display: flex; flex-direction: column; gap: 6px; }
.mock-row .tx b { height: 7px; border-radius: 4px; background: #d4dbe5; }
.mock-row .tx b:first-child { width: 70%; background: #9aa9bb; }
.mock-row .pill { height: 18px; border-radius: 999px; background: #d1fae5; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } .hero { padding-block: 56px 48px; } }

/* sections */
section { padding-block: 84px; }
.soft { background: var(--bg-soft); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); letter-spacing: -0.03em; line-height: 1.2; margin: 0 0 12px; }
.section-lead { color: var(--ink-2); margin: 0 0 40px; max-width: 40em; font-size: 1.05rem; }
.center { text-align: center; }
.center .section-lead { margin-inline: auto; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.card h3 { margin: 14px 0 6px; font-size: 1.08rem; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: 0.96rem; }
.icon { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid-3 { grid-template-columns: 1fr; } section { padding-block: 60px; } }

/* packages */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; box-shadow: var(--shadow); }
.plan.popular { border: 2px solid var(--brand); }
.badge { position: absolute; top: -12px; left: 22px; background: var(--brand); color: #fff; font-size: 0.75rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.plan h3 { margin: 0; font-size: 1.3rem; letter-spacing: -0.02em; }
.plan .blurb { color: var(--muted); font-size: 0.92rem; margin: 6px 0 18px; min-height: 3em; }
.plan ul { list-style: none; padding: 0; margin: 0 0 22px; display: flex; flex-direction: column; gap: 9px; font-size: 0.92rem; flex: 1; }
.plan li { display: flex; gap: 9px; align-items: flex-start; }
.plan li svg { flex: none; margin-top: 3px; color: var(--accent); }
.plan li.cap svg { color: var(--brand); }
.plan hr { border: 0; border-top: 1px dashed var(--line); margin: 4px 0; width: 100%; }
@media (max-width: 1000px) { .plans { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .plans { grid-template-columns: 1fr; } }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: step; }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--ink); color: #fff; font-weight: 800; margin-bottom: 14px; }
.steps h3 { margin: 0 0 6px; font-size: 1.05rem; }
.steps p { margin: 0; color: var(--muted); font-size: 0.95rem; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* demo + contact */
.demo { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; background: var(--ink); color: #fff; border-radius: 20px; padding: 44px; }
.demo h2 { color: #fff; max-width: 20em; }
.demo p { margin: 0; color: #b8c4d3; max-width: 36em; }
.demo .btn-ghost { background: #fff; border-color: #fff; }
.contact { text-align: center; }
.contact .section-lead { margin-inline: auto; }
.contact .cta-row { justify-content: center; }
.contact .email { margin-top: 18px; color: var(--muted); font-size: 0.95rem; }
footer { border-top: 1px solid var(--line); padding-block: 28px; color: var(--muted); font-size: 0.9rem; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; }
.nf { min-height: 60vh; display: grid; place-items: center; text-align: center; }
@media (max-width: 600px) { .mock { display: none; } }