:root {
  --blue: #0f6fd6;
  --blue-2: #0aa3ff;
  --navy: #0f2f57;
  --muted: #64748b;
  --soft: #f4f8fd;
  --border: #dce8f5;
  --white: #ffffff;
  --shadow: 0 22px 55px rgba(15, 47, 87, 0.10);
  --success: #16a34a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #fff;
  color: #18324b;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { text-decoration: none; color: inherit; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 22px; }

.public-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.public-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 22px;
}
.public-brand { display: flex; align-items: center; gap: 18px; color: inherit; }
.public-product-mark { display: flex; align-items: center; gap: 10px; min-width: max-content; }
.public-product-icon {
  width: 42px; height: 42px; border-radius: 14px;
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  color: #fff; display: inline-flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 900; box-shadow: 0 10px 22px rgba(15,111,214,.22);
}
.public-product-mark strong { display: block; font-size: 20px; line-height: 1.05; color: var(--navy); }
.public-product-mark small { display: block; margin-top: 3px; font-size: 12px; color: #5d7288; letter-spacing: .03em; }
.znsoft-logo { height: 34px; width: auto; object-fit: contain; opacity: .98; mix-blend-mode: multiply; }
.public-menu { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.public-menu a { color: #21384f; font-weight: 650; font-size: 15px; }
.public-menu a:hover { color: var(--blue); }
.public-login-btn,
.public-test-btn {
  padding: 10px 16px;
  border-radius: 999px;
  color: #fff !important;
  box-shadow: 0 8px 18px rgba(15,111,214,.24);
}
.public-login-btn { background: var(--blue); }
.public-test-btn { background: var(--navy); }

.public-hero {
  padding: 72px 0 58px;
  background: radial-gradient(circle at top right, #dff1ff 0, rgba(223,241,255,0) 38%), linear-gradient(180deg, #fff 0%, #f7fbff 100%);
  overflow: hidden;
}
.grid-2 { display: grid; grid-template-columns: minmax(0, 7fr) minmax(320px, 5fr); gap: 54px; align-items: center; }
.public-kicker {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 999px;
  color: var(--blue); background: #e8f3ff; font-weight: 750; font-size: 14px;
}
.public-hero h1 { margin: 18px 0 18px; font-size: clamp(36px, 4.6vw, 58px); line-height: 1.03; letter-spacing: -.04em; color: var(--navy); font-weight: 850; }
.public-hero__lead { font-size: 18px; line-height: 1.65; color: #52677e; max-width: 720px; }
.public-hero__actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.public-btn { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; font-weight: 750; padding: 12px 20px; border: 1px solid transparent; cursor: pointer; }
.public-btn--primary { background: var(--blue); color: #fff; border-color: var(--blue); box-shadow: 0 12px 24px rgba(15,111,214,.22); }
.public-btn--primary:hover { background: #0b5db5; color: #fff; }
.public-btn--dark { background: var(--navy); color: #fff; border-color: var(--navy); }
.public-btn--dark:hover { background: #09213d; color: #fff; }
.public-btn--light { background: #fff; color: var(--navy); border-color: var(--border); }
.public-btn--light:hover { border-color: var(--blue); color: var(--blue); }
.public-hero__note { display: flex; align-items: center; gap: 8px; margin-top: 22px; color: #5f7287; font-weight: 650; }

.card,
.public-product-card,
.public-info-panel,
.public-steps,
.public-feature-card,
.public-price-card,
.public-contact-card,
.public-check-card,
.public-guide,
.public-promo-strip {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
}
.public-hero-card { max-width: 560px; margin-left: auto; padding: 22px; position: relative; overflow: hidden; background: linear-gradient(180deg, #fff 0%, #f8fbff 100%); }
.public-hero-card::after { content: ""; position: absolute; right: -90px; bottom: -110px; width: 260px; height: 260px; border-radius: 50%; background: rgba(15,111,214,.08); pointer-events: none; }
.public-hero-card__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; position: relative; z-index: 2; }
.public-pill { display: inline-flex; padding: 6px 11px; border-radius: 999px; font-size: 13px; font-weight: 800; }
.public-pill--success { background: #e6f8ef; color: #15803d; }
.public-product-card__caption { font-weight: 850; color: var(--navy); }
.public-app-preview { position: relative; z-index: 2; display: grid; gap: 14px; }
.public-app-screen { border-radius: 24px; overflow: hidden; border: 1px solid #cfe0f2; background: #fff; }
.public-app-screen__bar { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; background: var(--navy); color: #fff; font-weight: 850; }
.public-app-screen__bar span { color: #b9dcff; font-size: 12px; font-weight: 750; }
.public-app-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 16px; background: linear-gradient(135deg, #f8fbff, #eef6ff); }
.public-app-tile { border-radius: 18px; padding: 15px; background: #fff; border: 1px solid #e1edf8; min-height: 86px; }
.public-app-tile span { display: block; color: #65788c; font-size: 12px; font-weight: 850; text-transform: uppercase; letter-spacing: .04em; }
.public-app-tile strong { display: block; margin-top: 7px; font-size: 26px; line-height: 1; color: var(--navy); font-weight: 900; }
.public-invoice-preview { display: grid; grid-template-columns: 1fr auto; gap: 14px; align-items: center; padding: 16px 18px; border-radius: 22px; border: 1px solid #dce8f5; background: #fff; }
.public-invoice-preview span { color: #65788c; font-size: 14px; font-weight: 700; }
.public-invoice-preview strong { display: block; margin-top: 4px; color: var(--navy); font-size: 19px; font-weight: 900; }
.public-mini-stat { padding: 17px 18px; border-radius: 20px; background: rgba(244,248,253,.92); border: 1px solid #e5eef8; }
.public-mini-stat span { display: block; color: #56708a; margin-bottom: 6px; }
.public-mini-stat strong { color: var(--navy); font-size: 18px; }

.public-section { padding: 72px 0; }
.public-section--soft { background: var(--soft); }
.public-section-heading { text-align: center; max-width: 760px; margin: 0 auto 36px; }
.public-section-heading span, .public-page-title span, .public-tag { color: var(--blue); font-weight: 850; text-transform: uppercase; letter-spacing: .08em; font-size: 13px; }
.public-section-heading h2, .public-page-title h1 { color: var(--navy); font-weight: 850; letter-spacing: -.03em; }
.public-section-heading p, .public-page-title p { color: #62758a; font-size: 17px; }
.cards-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.cards-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.public-feature-card { padding: 26px; height: 100%; }
.public-feature-card .icon, .public-check-card .icon { font-size: 34px; color: var(--blue); }
.public-feature-card h3 { margin-top: 18px; font-size: 20px; font-weight: 800; color: var(--navy); }
.public-feature-card p { color: #5f7287; margin-bottom: 0; line-height: 1.55; }
.public-info-panel { padding: 34px; }
.public-info-panel h2 { color: var(--navy); font-weight: 850; }
.public-info-panel p { color: #5f7287; font-size: 17px; line-height: 1.65; }
.public-steps { padding: 26px; display: grid; gap: 18px; }
.public-step { display: flex; gap: 16px; align-items: flex-start; }
.public-step strong { width: 42px; height: 42px; flex: 0 0 42px; border-radius: 50%; background: var(--blue); color: #fff; display: inline-flex; align-items: center; justify-content: center; }
.public-step h3 { margin: 0 0 4px; font-weight: 800; color: var(--navy); }
.public-step p { margin: 0; color: #63768a; line-height: 1.5; }
.public-cta { padding: 56px 0 82px; background: #fff; }
.public-cta__box { border-radius: 32px; padding: 32px; background: linear-gradient(135deg, var(--navy), #125fae); color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; box-shadow: var(--shadow); }
.public-cta__box span { color: #b9dcff; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.public-cta__box h2 { margin: 6px 0 0; font-weight: 850; }
.public-page-title { padding: 66px 0 42px; background: linear-gradient(180deg, #f7fbff, #fff); text-align: center; border-bottom: 1px solid var(--border); }
.public-page-title h1 { margin: 8px auto 10px; max-width: 800px; font-size: clamp(32px, 4vw, 52px); }
.public-page-title p { max-width: 740px; margin: 0 auto; line-height: 1.65; }
.public-promo-strip { padding: 20px 24px; margin-bottom: 28px; display: flex; gap: 18px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.public-promo-strip strong { color: var(--navy); font-size: 20px; }
.public-promo-strip span { color: #64748b; }
.public-price-card { padding: 28px; height: 100%; position: relative; overflow: hidden; }
.public-price-card--featured { border: 2px solid var(--blue); transform: translateY(-8px); }
.public-price-card__badge { position: absolute; top: 18px; right: 18px; background: #e8f3ff; color: var(--blue); padding: 7px 11px; border-radius: 999px; font-weight: 850; font-size: 12px; }
.public-price-card h2 { font-weight: 850; color: var(--navy); margin-bottom: 8px; }
.public-price-card__for { color: #64748b; min-height: 48px; }
.public-price { margin: 22px 0; }
.public-price del { color: #94a3b8; display: block; font-size: 18px; }
.public-price strong { color: var(--blue); font-size: 42px; line-height: 1; letter-spacing: -.04em; }
.public-price span { color: #64748b; font-weight: 700; }
.public-price-card ul, .clean-list { padding-left: 0; list-style: none; display: grid; gap: 10px; margin: 0 0 24px; }
.public-price-card li, .clean-list li { color: #40566b; display: flex; gap: 8px; line-height: 1.45; }
.public-price-card li::before, .clean-list li::before { content: "✓"; color: var(--success); font-weight: 900; }
.public-contact-card, .public-check-card, .public-guide { padding: 30px; }
.public-contact-card h2, .public-check-card h2, .public-guide h2 { color: var(--navy); font-weight: 850; }
.public-contact-card p, .public-check-card p, .public-guide p { color: #64748b; line-height: 1.65; }
.public-contact-card--accent { background: linear-gradient(135deg, #f0f8ff, #fff); }
.public-contact-item { display: flex; align-items: center; gap: 12px; padding: 14px 0; color: #40566b; font-weight: 700; border-top: 1px solid var(--border); }
.public-contact-item:first-of-type { margin-top: 16px; }
.public-contact-item .icon { color: var(--blue); font-size: 22px; }
.public-check-card .icon { font-size: 38px; }
.public-alert { margin-top: 24px; padding: 16px 18px; border-radius: 18px; background: #e8f3ff; color: #24577e; display: flex; gap: 10px; font-weight: 650; }
.mt-5 { margin-top: 36px; }
.gap { display: flex; gap: 10px; flex-wrap: wrap; }

.public-footer { background: #f8fbff; border-top: 1px solid var(--border); padding: 26px 0; }
.public-footer__inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 18px; }
.public-footer__brand { display: flex; align-items: center; gap: 12px; color: #64748b; font-weight: 650; }
.public-footer__brand img { height: 28px; width: auto; object-fit: contain; mix-blend-mode: multiply; }
.public-footer__links { display: flex; gap: 14px; flex-wrap: wrap; color: #64748b; font-weight: 650; }
.public-footer__links a:hover { color: var(--blue); }

@media (max-width: 991.98px) {
  .public-nav { flex-direction: column; align-items: flex-start; }
  .public-menu { width: 100%; gap: 12px; }
  .public-brand { width: 100%; justify-content: space-between; }
  .znsoft-logo { height: 30px; }
  .grid-2 { grid-template-columns: 1fr; }
  .public-hero { padding-top: 52px; }
  .public-hero-card { margin-left: 0; max-width: 100%; }
  .public-price-card--featured { transform: none; }
  .cards-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cards-3 { grid-template-columns: 1fr; }
}
@media (max-width: 575.98px) {
  .public-app-grid { grid-template-columns: 1fr; }
  .public-invoice-preview { grid-template-columns: 1fr; }
  .public-hero h1 { font-size: 36px; }
  .public-hero__lead { font-size: 16px; }
  .cards-4 { grid-template-columns: 1fr; }
  .public-hero__actions .public-btn { width: 100%; }
}