:root {
    --bg: #f5f7fb;
    --surface: rgba(255,255,255,.88);
    --surface-strong: #ffffff;
    --text: #172033;
    --muted: #5d6880;
    --line: rgba(15, 23, 42, .1);
    --primary: #1b5cff;
    --primary-dark: #0f3fc9;
    --shadow: 0 18px 50px rgba(15, 23, 42, .12);
    --radius: 24px;
    --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(27,92,255,.11), transparent 28%),
        radial-gradient(circle at 80% 10%, rgba(33, 150, 243, .09), transparent 24%),
        var(--bg);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(calc(100% - 2rem), var(--container)); margin: 0 auto; }
.demo-strip {
    background: linear-gradient(90deg, #0f172a, #223860);
    color: #fff;
    font-size: .92rem;
    text-align: center;
    padding: .75rem 1rem;
}
.site-header {
    position: sticky;
    top: 0;
    backdrop-filter: blur(18px);
    background: rgba(245, 247, 251, .88);
    border-bottom: 1px solid var(--line);
    z-index: 20;
}
.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
}
.brand { display: flex; align-items: center; gap: .9rem; min-width: 0; }
.brand strong { display: block; font-size: 1rem; }
.brand small { display: block; color: var(--muted); }
.brand-badge {
    display: inline-flex; align-items: center; justify-content: center;
    width: 56px; height: 56px; border-radius: 18px;
    background: linear-gradient(135deg, var(--primary), #77a2ff);
    color: #fff; font-weight: 800; box-shadow: var(--shadow);
}
.main-nav { display: flex; gap: 1.1rem; flex-wrap: wrap; justify-content: center; }
.main-nav a { color: var(--muted); font-weight: 600; }
.main-nav a.active, .main-nav a:hover { color: var(--text); }
.button, button {
    display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
    padding: .95rem 1.35rem; border: 0; border-radius: 999px; font-weight: 700;
    cursor: pointer; transition: .2s ease; background: var(--primary); color: #fff;
    box-shadow: 0 14px 28px rgba(27,92,255,.24);
}
.button:hover, button:hover { transform: translateY(-1px); background: var(--primary-dark); }
.button.ghost { background: rgba(255,255,255,.78); color: var(--text); box-shadow: inset 0 0 0 1px var(--line); }
.button-small { padding: .78rem 1rem; font-size: .94rem; }
.hero { padding: 5rem 0 2rem; }
.hero-grid, .two-col, .contact-grid, .showcase-grid, .cards, .stats-grid, .steps-grid, .menu-grid, .footer-grid {
    display: grid; gap: 1.4rem;
}
.hero-grid { grid-template-columns: 1.1fr .9fr; align-items: center; gap: 2rem; }
.hero-card {
    background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.84));
    border: 1px solid rgba(255,255,255,.6);
    box-shadow: var(--shadow); border-radius: 32px; padding: 2rem;
}
.kicker, .tag {
    display: inline-flex; align-items: center; gap: .5rem; margin-bottom: 1rem;
    border-radius: 999px; background: rgba(27,92,255,.08); color: var(--primary);
    padding: .45rem .8rem; font-weight: 700; font-size: .9rem;
}
.hero h1, .section-head h2 { font-size: clamp(2rem, 4vw, 4.2rem); line-height: 1.02; margin: 0 0 1rem; letter-spacing: -.03em; }
.hero p.lead, .section-head p { color: var(--muted); font-size: 1.06rem; line-height: 1.7; margin: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.4rem; }
.info-pills { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1.25rem; }
.info-pills span { background: rgba(255,255,255,.82); border: 1px solid var(--line); padding: .65rem .9rem; border-radius: 999px; color: var(--muted); font-weight: 600; }
.hero-visual {
    background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(246,249,255,.85));
    border: 1px solid var(--line); border-radius: 32px; box-shadow: var(--shadow); padding: 1rem;
}
.section { padding: 2rem 0 4rem; }
.section-head { max-width: 780px; margin-bottom: 1.6rem; }
.cards { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card, .stat, .step, .faq-item, .menu-card, .contact-panel, .legal-card {
    background: var(--surface); border: 1px solid rgba(255,255,255,.7); box-shadow: var(--shadow);
    border-radius: var(--radius); padding: 1.4rem;
}
.card h3, .step h3, .stat strong, .menu-card h3 { margin: 0 0 .7rem; }
.card p, .step p, .faq-item p, .menu-card p, .contact-panel p, .legal-card p, .legal-card li { color: var(--muted); line-height: 1.7; }
.showcase-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.showcase-card {
    position: relative; overflow: hidden; background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(242,246,255,.88));
    border-radius: 28px; border: 1px solid var(--line); box-shadow: var(--shadow); padding: 1.2rem;
}
.showcase-card img { border-radius: 18px; aspect-ratio: 16/10; object-fit: cover; }
.showcase-card h3 { margin: .95rem 0 .4rem; }
.showcase-card p { margin: 0 0 1rem; color: var(--muted); line-height: 1.65; }
.stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat strong { display: block; font-size: clamp(1.8rem, 3vw, 3rem); }
.progress {
    width: 100%; height: 14px; border-radius: 999px; background: rgba(15,23,42,.08); overflow: hidden; margin-top: .8rem;
}
.progress > span {
    display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--primary), #7cb4ff); transition: width 1.3s ease;
}
.steps-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.step-number {
    width: 48px; height: 48px; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center;
    background: rgba(27,92,255,.1); color: var(--primary); font-weight: 800; margin-bottom: .9rem;
}
.two-col { grid-template-columns: 1fr 1fr; align-items: start; }
.faq-list { display: grid; gap: 1rem; }
.faq-item h3 { margin: 0 0 .5rem; font-size: 1.06rem; }
.contact-grid { grid-template-columns: 1.1fr .9fr; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: grid; gap: .45rem; }
.field.full { grid-column: 1/-1; }
label { font-weight: 600; }
input, textarea {
    width: 100%; padding: .95rem 1rem; border: 1px solid var(--line); border-radius: 16px; font: inherit; background: rgba(255,255,255,.96);
}
textarea { min-height: 160px; resize: vertical; }
.notice, .demo-note {
    background: rgba(255,255,255,.82); border: 1px dashed rgba(15,23,42,.14); color: var(--muted);
    border-radius: 20px; padding: 1rem 1.2rem;
}
.accent-panel {
    padding: 1.6rem; background: linear-gradient(160deg, rgba(27,92,255,.12), rgba(255,255,255,.96));
    border-radius: 28px; border: 1px solid var(--line); box-shadow: var(--shadow);
}
.menu-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.menu-item { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .9rem 0; border-bottom: 1px dashed rgba(15,23,42,.14); }
.menu-item:last-child { border-bottom: 0; }
.price { font-weight: 800; }
.site-footer { padding: 2rem 0; border-top: 1px solid var(--line); background: rgba(255,255,255,.55); }
.footer-grid { grid-template-columns: 1.2fr .8fr .8fr; }
.footer-grid h3 { margin: 0 0 .8rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1.2rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .95rem; }
.legal-card h2 { margin-top: 0; }
.badges { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1rem; }
.badges span { padding: .7rem .95rem; border-radius: 999px; background: rgba(15,23,42,.06); color: var(--muted); font-weight: 600; }
.fade-in { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
@media (max-width: 1050px) {
    .hero-grid, .contact-grid, .footer-grid, .two-col, .cards, .stats-grid, .steps-grid, .menu-grid, .showcase-grid { grid-template-columns: 1fr 1fr; }
    .nav-wrap { flex-wrap: wrap; }
}
@media (max-width: 760px) {
    .hero-grid, .contact-grid, .footer-grid, .two-col, .cards, .stats-grid, .steps-grid, .menu-grid, .showcase-grid, .form-grid { grid-template-columns: 1fr; }
    .hero { padding-top: 3rem; }
    .hero h1, .section-head h2 { font-size: clamp(2rem, 9vw, 3rem); }
    .footer-bottom { flex-direction: column; }
    .main-nav { width: 100%; justify-content: flex-start; overflow: auto; }
}

.hero-text { color: var(--text); line-height: 1.75; margin-top: .95rem; font-size: 1.02rem; }
.main-nav a { white-space: nowrap; }
.inline-link { color: var(--primary); font-weight: 700; }
.app-shell { max-width: 1100px; margin: 0 auto; padding: 2rem 1rem 4rem; }
.tool-hero { max-width: 820px; margin: 0 auto 1.5rem; }
.tool-card { background: var(--surface); border: 1px solid rgba(255,255,255,.7); box-shadow: var(--shadow); border-radius: 28px; padding: 1.4rem; }
.tool-grid { display:grid; gap:1.2rem; grid-template-columns: 1.1fr .9fr; }
.invoice-items { display:grid; gap:.8rem; margin-top:1rem; }
.invoice-row { display:grid; grid-template-columns: 2fr .8fr .8fr .8fr auto; gap:.7rem; align-items:end; }
.invoice-row button, .mini-btn { padding:.85rem 1rem; border-radius:16px; }
.table-like { width:100%; border-collapse: collapse; }
.table-like th, .table-like td { padding:.8rem .6rem; border-bottom:1px solid var(--line); text-align:left; }
.summary-box { background: rgba(15,23,42,.04); padding:1rem; border-radius:20px; }
.doc-list { display:grid; gap:1rem; }
.doc-item { background:#fff; border:1px solid var(--line); border-radius:18px; padding:1rem; }
.status-pill { display:inline-flex; padding:.3rem .7rem; border-radius:999px; font-size:.85rem; font-weight:700; background:rgba(27,92,255,.1); color:var(--primary); }
.small-note { color: var(--muted); font-size:.95rem; }
.tool-actions { display:flex; flex-wrap:wrap; gap:.8rem; margin-top:1rem; }
@media (max-width: 760px) {
  .tool-grid, .invoice-row { grid-template-columns: 1fr; }
}