:root {
  color-scheme: light;
  --ink: #102033;
  --muted: #526275;
  --line: #dce5ee;
  --surface: #ffffff;
  --soft: #f5f8fb;
  --brand: #0a6fb8;
  --brand-dark: #0a2540;
  --accent: #10a7a7;
  --radius: 8px;
  --shadow: 0 18px 45px rgba(10, 37, 64, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  font-size: 0.78rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.95rem;
  color: var(--muted);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--brand-dark);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #ffffff;
  border-radius: var(--radius);
  padding: 8px 10px;
}

.container {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  background:
    linear-gradient(90deg, rgba(10, 37, 64, 0.94), rgba(10, 111, 184, 0.76)),
    url("data:image/svg+xml,%3Csvg width='1400' height='760' viewBox='0 0 1400 760' xmlns='http://www.w3.org/2000/svg'%3E%3Crect width='1400' height='760' fill='%230a2540'/%3E%3Cg stroke='%23ffffff' stroke-opacity='.20' fill='none'%3E%3Cpath d='M80 520 C260 360 380 440 540 285 S850 160 1020 270 1240 360 1370 190'/%3E%3Cpath d='M0 650 C200 470 390 560 560 390 S850 230 1040 410 1220 510 1400 310'/%3E%3Cpath d='M160 120 H1260 M230 210 H1180 M310 300 H1090 M390 390 H1000'/%3E%3C/g%3E%3Cg fill='%2310a7a7'%3E%3Ccircle cx='280' cy='380' r='7'/%3E%3Ccircle cx='540' cy='285' r='7'/%3E%3Ccircle cx='830' cy='180' r='7'/%3E%3Ccircle cx='1040' cy='410' r='7'/%3E%3Ccircle cx='1220' cy='510' r='7'/%3E%3C/g%3E%3C/svg%3E");
  background-size: cover;
  background-position: center;
  color: #ffffff;
}

.hero-inner {
  min-height: 640px;
  display: grid;
  align-items: center;
  padding: 104px 0 88px;
}

.eyebrow {
  margin: 0 0 14px;
  color: #9ee8e4;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(2.25rem, 5.4vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero p {
  max-width: 700px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.14rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 750;
}

.button.primary {
  background: #ffffff;
  color: var(--brand-dark);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.45);
  color: #ffffff;
}

.button.solid {
  background: var(--brand-dark);
  color: #ffffff;
}

.section {
  padding: 80px 0;
  background: #ffffff;
}

.section.alt {
  background: var(--soft);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 30px;
}

.section-head h2 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.08;
}

.section-head p,
.muted {
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.trust-band {
  margin-top: -1px;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.trust-grid div {
  min-height: 116px;
  padding: 22px;
  background: #ffffff;
}

.trust-grid strong,
.trust-grid span {
  display: block;
}

.trust-grid strong {
  color: var(--brand-dark);
  line-height: 1.25;
}

.trust-grid span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 1px 0 rgba(16, 32, 51, 0.02);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.product-list,
.scenario-list {
  display: grid;
  gap: 24px;
}

.product-block,
.scenario-card {
  display: grid;
  gap: 24px;
  padding: 30px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.product-block {
  grid-template-columns: 0.76fr 1.24fr;
  align-items: start;
}

.product-block h2,
.scenario-card h2 {
  margin: 0 0 12px;
  font-size: clamp(1.45rem, 3vw, 2.25rem);
  line-height: 1.12;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.scenario-card ul,
.check-list {
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.scenario-card li + li,
.check-list li + li {
  margin-top: 8px;
}

.spec-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.spec-item {
  background: #ffffff;
  padding: 22px;
}

.spec-item strong {
  display: block;
  font-size: 1.6rem;
  color: var(--brand-dark);
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
}

.panel {
  background: var(--brand-dark);
  color: #ffffff;
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow);
}

.panel p {
  color: rgba(255, 255, 255, 0.78);
}

.panel ul {
  color: rgba(255, 255, 255, 0.82);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.tag {
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 7px 12px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.88rem;
}

.flow-list {
  display: grid;
  gap: 12px;
}

.flow-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 4px 16px;
  padding: 18px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.flow-step span {
  grid-row: span 2;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--soft);
  color: var(--brand);
  font-weight: 800;
}

.flow-step p {
  margin: 0;
  color: var(--muted);
}

.cta-section {
  background: #ffffff;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 42px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  color: #ffffff;
}

.cta-panel h2 {
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 3rem);
  line-height: 1.08;
}

.cta-panel p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.78);
}

.page-hero {
  padding: 104px 0 68px;
  background: var(--brand-dark);
  color: #ffffff;
}

.page-hero p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.78);
}

.contact-form {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 13px;
  font: inherit;
  color: var(--ink);
}

.contact-form .wide,
.contact-form button,
.form-note {
  grid-column: 1 / -1;
}

.contact-form textarea {
  min-height: 130px;
  resize: vertical;
}

.form-note {
  margin: 0;
  color: var(--brand);
  font-weight: 700;
}

.site-footer {
  padding: 42px 0;
  background: #071b2e;
  color: rgba(255, 255, 255, 0.76);
}

.footer-note {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
}

.footer-grid div,
.footer-grid nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.footer-grid div {
  flex-direction: column;
}

.footer-grid strong {
  color: #ffffff;
}

.footer-grid nav {
  justify-content: center;
}

.footer-grid a:hover {
  color: #ffffff;
}

.footer-grid > span {
  text-align: right;
}

@media (max-width: 860px) {
  .nav {
    min-height: 64px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 72px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .hero-inner {
    min-height: 560px;
    padding: 84px 0 68px;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(2rem, 11vw, 3.05rem);
    line-height: 1.08;
  }

  .page-hero {
    padding: 84px 0 52px;
  }

  .section {
    padding: 56px 0;
  }

  .section-head,
  .split,
  .cta-panel,
  .footer-grid,
  .product-block {
    display: grid;
    grid-template-columns: 1fr;
  }

  .grid.three,
  .grid.four,
  .spec-list,
  .trust-grid,
  .detail-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .product-block,
  .scenario-card,
  .cta-panel {
    padding: 24px;
  }

  .footer-grid nav {
    justify-content: start;
  }

  .footer-grid > span {
    text-align: left;
  }
}