:root {
  --navy: #162e6f;
  --navy-900: #0b1a45;
  --blue: #2563eb;
  --blue-50: #eef3fe;
  --ink: #0f1b3d;
  --muted: #55607a;
  --line: #e2e7f1;
  --bg-alt: #f4f6fb;
  --white: #fff;
  --green: #12a150;
  --red: #dc3545;
  --radius: 14px;
  --shadow: 0 20px 50px -20px rgba(22, 46, 111, .35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--blue); }
h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -.02em; color: var(--navy-900); }
.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 780px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: 600 15px/1 Inter, sans-serif; text-decoration: none;
  padding: 11px 18px; border-radius: 10px; border: 1px solid transparent;
  cursor: pointer; transition: background .15s, box-shadow .15s, transform .15s;
  white-space: nowrap;
}
.btn-lg { padding: 15px 24px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--navy); color: #fff; box-shadow: 0 8px 20px -8px rgba(22, 46, 111, .6); }
.btn-primary:hover { background: var(--blue); transform: translateY(-1px); }
.btn-primary:disabled { opacity: .6; cursor: wait; transform: none; }
.btn-ghost { color: var(--navy); border-color: var(--line); background: #fff; }
.btn-ghost:hover { border-color: var(--navy); }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .9); backdrop-filter: saturate(1.6) blur(10px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; gap: 32px; height: 68px; }
.brand img { height: 40px; width: auto; }
.nav-links { display: flex; gap: 28px; margin-right: auto; }
.nav-links a { color: var(--muted); text-decoration: none; font-weight: 500; font-size: 15px; }
.nav-links a:hover { color: var(--navy); }
.nav-cta { display: flex; gap: 10px; align-items: center; }

/* Hero */
.hero {
  padding: 80px 0 96px;
  background:
    radial-gradient(900px 500px at 85% 10%, rgba(37, 99, 235, .12), transparent 60%),
    radial-gradient(700px 400px at 0% 100%, rgba(22, 46, 111, .07), transparent 60%);
  overflow: hidden;
}
.hero-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
.pill { display: inline-block; font-size: 13px; font-weight: 600; color: var(--blue); background: var(--blue-50); border: 1px solid #d5e1fd; padding: 6px 12px; border-radius: 999px; margin-bottom: 20px; }
.hero h1 { font-size: clamp(38px, 5vw, 60px); font-weight: 800; }
.hl { color: var(--blue); }
.lead { font-size: 19px; color: var(--muted); margin: 22px 0 32px; max-width: 540px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-points { display: flex; flex-wrap: wrap; gap: 8px 22px; list-style: none; padding: 0; margin: 28px 0 0; font-size: 14px; color: var(--muted); font-weight: 500; }
.hero-points li::before { content: "✓"; color: var(--green); font-weight: 700; margin-right: 6px; }

/* Dashboard mock */
.hero-visual { position: relative; }
.mock { background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; }
.mock-top { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: var(--bg-alt); border-bottom: 1px solid var(--line); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #d7dce8; }
.mock-url { margin-left: 12px; font-size: 12px; color: var(--muted); background: #fff; border: 1px solid var(--line); padding: 2px 10px; border-radius: 6px; }
.mock-body { padding: 20px; }
.mock-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 16px; }
.mock-title { font-weight: 700; color: var(--navy-900); }
.mock-sub { font-size: 12px; color: var(--muted); }
.mock-tabs { display: flex; gap: 4px; font-size: 12px; background: var(--bg-alt); padding: 3px; border-radius: 8px; }
.mock-tabs span { padding: 4px 9px; border-radius: 6px; color: var(--muted); }
.mock-tabs .on { background: #fff; color: var(--navy); font-weight: 600; box-shadow: 0 1px 2px rgba(0, 0, 0, .06); }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 14px; }
.kpi { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.kpi span { display: block; font-size: 11px; color: var(--muted); }
.kpi strong { display: block; font-size: 20px; color: var(--navy-900); letter-spacing: -.02em; }
.kpi em { font-style: normal; font-size: 11px; font-weight: 600; }
.up { color: var(--green); }
.down { color: var(--red); }
.mock-charts { display: grid; grid-template-columns: 1.3fr 1fr; gap: 10px; }
.chart-card { border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.chart-label { font-size: 12px; font-weight: 600; color: var(--navy-900); margin-bottom: 8px; }
.area { width: 100%; height: 110px; }
.bars { display: grid; gap: 7px; }
.bars div { display: grid; grid-template-columns: 70px 1fr; align-items: center; gap: 8px; font-size: 11px; color: var(--muted); }
.bars i { display: block; height: 8px; width: var(--w); border-radius: 4px; background: linear-gradient(90deg, var(--navy), var(--blue)); }
.float-card {
  position: absolute; left: -28px; bottom: -26px; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; padding: 12px 16px 12px 46px; box-shadow: var(--shadow); font-size: 13px;
}
.float-card::before { content: "PDF"; position: absolute; left: 12px; top: 50%; transform: translateY(-50%); font-size: 9px; font-weight: 800; color: #fff; background: var(--red); border-radius: 4px; padding: 5px 4px; }
.float-card strong { display: block; color: var(--navy-900); }
.float-card span { color: var(--muted); font-size: 12px; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 660px; margin: 0 auto 52px; }
.section-head h2 { font-size: clamp(30px, 3.6vw, 42px); font-weight: 800; }
.section-head p { color: var(--muted); font-size: 18px; margin: 14px 0 0; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); margin-bottom: 12px; }

/* Integrations */
.integrations { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.integrations li { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; font-weight: 600; font-size: 15px; color: var(--navy-900); background: #fff; transition: border-color .15s, transform .15s; }
.integrations li:hover { border-color: #c4d2f3; transform: translateY(-2px); }
.integrations b { flex: none; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 9px; font-size: 12px; color: #fff; background: var(--c); }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.steps li { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.step-n { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 700; margin-bottom: 18px; }
.steps h3, .features h3, .audience h3 { font-size: 19px; margin-bottom: 8px; }
.steps p, .features p, .audience p { color: var(--muted); margin: 0; }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.features article { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); }
.features svg { width: 44px; height: 44px; padding: 10px; border-radius: 10px; background: var(--blue-50); fill: none; stroke: var(--blue); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 18px; }

/* Audience */
.audience { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.audience div { background: #fff; border-radius: var(--radius); padding: 28px; border-top: 4px solid var(--blue); box-shadow: 0 1px 3px rgba(15, 27, 61, .06); }

/* Contact */
.contact { background: linear-gradient(135deg, var(--navy-900), var(--navy) 55%, #1f47a8); color: #dbe4ff; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: start; }
.contact h2 { color: #fff; font-size: clamp(30px, 3.6vw, 42px); font-weight: 800; }
.contact-copy p { font-size: 18px; margin: 16px 0 24px; }
.eyebrow-light { color: #9db8ff; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.checks li::before { content: "✓"; display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: rgba(255, 255, 255, .14); color: #fff; font-size: 12px; margin-right: 10px; }
.form { background: #fff; color: var(--ink); border-radius: 18px; padding: 32px; box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .45); display: grid; gap: 16px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; color: var(--navy-900); }
.form input, .form select, .form textarea {
  font: 400 15px/1.4 Inter, sans-serif; color: var(--ink); width: 100%;
  padding: 11px 13px; border: 1px solid #cfd6e4; border-radius: 9px; background: #fff;
}
.form textarea { resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37, 99, 235, .18); }
.form .invalid { border-color: var(--red); }
.form .consent { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--muted); }
.form .consent input { width: 18px; height: 18px; margin: 2px 0 0; flex: none; padding: 0; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin: 0; font-size: 14px; min-height: 1.4em; }
.form-status.ok { color: var(--green); font-weight: 600; }
.form-status.err { color: var(--red); }
.form-success { text-align: center; padding: 48px 16px; }
.form-success h3 { font-size: 24px; margin-bottom: 8px; }
.form-success p { color: var(--muted); margin: 0; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 20px 0; }
summary { cursor: pointer; font-weight: 600; font-size: 18px; color: var(--navy-900); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 24px; line-height: 1; color: var(--blue); transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); margin: 12px 0 0; }

/* Footer */
.footer { background: var(--navy-900); color: #a9b6d6; padding: 56px 0 28px; font-size: 14px; }
.footer-inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.wordmark { font-weight: 800; font-size: 26px; color: #fff; letter-spacing: -.03em; }
.footer p { margin: 8px 0 0; }
.footer nav { display: flex; gap: 24px; flex-wrap: wrap; }
.footer a { color: #dbe4ff; text-decoration: none; }
.footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); margin-top: 40px; padding-top: 20px; }

/* Responsive */
@media (max-width: 980px) {
  .hero-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .integrations { grid-template-columns: repeat(2, 1fr); }
  .steps, .features, .audience { grid-template-columns: 1fr; }
  .float-card { left: 12px; }
}
@media (max-width: 720px) {
  .container { padding: 0 16px; }
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-inner { justify-content: space-between; }
  .hero { padding: 48px 0 72px; }
  .section { padding: 72px 0; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .mock-charts { grid-template-columns: 1fr; }
  .mock-tabs { display: none; }
  .form { padding: 22px; }
  .form .row { grid-template-columns: 1fr; }
  .integrations li { font-size: 14px; padding: 12px; }
}
@media (max-width: 420px) {
  .integrations { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* Language switcher */
.lang { position: relative; align-self: center; }
.lang summary {
  list-style: none; cursor: pointer; font-size: 14px; font-weight: 600; color: var(--navy);
  padding: 10px 12px; border-radius: 10px; border: 1px solid transparent; display: flex; gap: 6px; align-items: center;
}
.lang summary::-webkit-details-marker { display: none; }
.lang summary::after { content: ""; width: 6px; height: 6px; border: solid currentColor; border-width: 0 1.5px 1.5px 0; transform: rotate(45deg) translateY(-2px); }
.lang summary:hover, .lang[open] summary { border-color: var(--line); }
.lang div {
  position: absolute; right: 0; top: calc(100% + 6px); min-width: 160px; background: #fff;
  border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 6px; display: grid; z-index: 60;
}
.lang a { padding: 8px 12px; border-radius: 8px; color: var(--ink); text-decoration: none; font-size: 14px; }
.lang a:hover { background: var(--bg-alt); }
.lang a[aria-current] { color: var(--blue); font-weight: 600; }
.lang:not([open]) > div { display: none; }