:root {
  color-scheme: light;
  --ink: #071426;
  --muted: #5c6878;
  --line: #dce6f2;
  --panel: #ffffff;
  --wash: #f4f8fc;
  --blue: #075fee;
  --cyan: #16c8ed;
  --green: #1fae80;
  --shadow: 0 24px 70px rgba(7, 20, 38, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #ffffff;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(220, 230, 242, 0.9);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1120px, calc(100% - 36px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  object-fit: cover;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
}

.nav-links a,
.footer-links a,
.text-link {
  text-decoration: none;
}

.nav-links a:hover,
.footer-links a:hover,
.text-link:hover {
  color: var(--blue);
}

.hero {
  position: relative;
  min-height: 720px;
  padding: 86px 18px 72px;
  display: grid;
  place-items: center;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 18%, rgba(22, 200, 237, 0.16), transparent 26%),
    radial-gradient(circle at 84% 12%, rgba(31, 174, 128, 0.14), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, #f4f8fc 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(7, 20, 38, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 20, 38, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at center, black 0%, transparent 72%);
}

.hero > *:not(.hero-grid) {
  position: relative;
}

.hero-logo {
  width: min(220px, 54vw);
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 40px;
  box-shadow: var(--shadow);
  margin-bottom: 26px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 860px;
  margin-bottom: 20px;
  font-size: clamp(2.8rem, 7vw, 5.7rem);
  line-height: 1;
  letter-spacing: 0;
}

.lead {
  max-width: 760px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1.18rem, 2.2vw, 1.48rem);
  line-height: 1.55;
}

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

.button {
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 850;
}

.button.primary {
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 18px 34px rgba(7, 95, 238, 0.22);
}

.button.secondary {
  color: var(--ink);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.74);
}

.section {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 92px 0;
}

.section.compact {
  padding-top: 32px;
}

.section.muted {
  width: 100%;
  padding-left: max(18px, calc((100vw - 1120px) / 2));
  padding-right: max(18px, calc((100vw - 1120px) / 2));
  background: var(--wash);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.section-heading h2,
.page h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.02;
  letter-spacing: 0;
  margin-bottom: 18px;
}

.section-heading p,
.page p,
.feature p,
.product-panel p,
.notice p,
.check-list {
  color: var(--muted);
  line-height: 1.6;
  font-size: 1.04rem;
}

.product-panel {
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    linear-gradient(135deg, rgba(7, 95, 238, 0.08), transparent 46%),
    var(--panel);
  box-shadow: var(--shadow);
  padding: clamp(24px, 4vw, 42px);
  display: grid;
  grid-template-columns: 1.1fr 1fr auto;
  gap: 30px;
  align-items: center;
}

.product-kicker {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--green);
  font-weight: 900;
}

.product-panel h3 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.08;
  margin-bottom: 12px;
}

.check-list {
  margin: 0;
  padding-left: 22px;
}

.check-list li + li {
  margin-top: 10px;
}

.text-link {
  color: var(--blue);
  font-weight: 900;
  white-space: nowrap;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature {
  min-height: 245px;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.8);
}

.feature-icon {
  width: 46px;
  height: 46px;
  margin-bottom: 24px;
  border-radius: 14px;
  display: inline-grid;
  place-items: center;
  color: white;
  font-weight: 900;
  background: linear-gradient(135deg, var(--ink), var(--blue));
}

.feature h3 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.notice {
  border: 1px solid rgba(7, 95, 238, 0.18);
  border-radius: 20px;
  padding: clamp(24px, 4vw, 36px);
  background: #eef7ff;
}

.notice h2 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.page {
  width: min(860px, calc(100% - 36px));
  margin: 0 auto;
  padding: 82px 0 100px;
}

.page section {
  padding-top: 34px;
  margin-top: 34px;
  border-top: 1px solid var(--line);
}

.page h2 {
  font-size: 1.55rem;
  margin-bottom: 10px;
}

.contact-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px;
  background: var(--wash);
}

.contact-card a {
  color: var(--blue);
  font-weight: 900;
}

.site-footer {
  width: min(1120px, calc(100% - 36px));
  min-height: 126px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer strong {
  color: var(--ink);
  margin-bottom: 4px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  font-weight: 700;
}

@media (max-width: 860px) {
  .nav {
    min-height: auto;
    padding: 16px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    min-height: 650px;
    padding-top: 58px;
  }

  .product-panel,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .product-panel {
    align-items: start;
  }

  .site-footer {
    padding: 28px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  h1 {
    font-size: 3rem;
  }

  .hero-logo {
    width: min(210px, 70vw);
    border-radius: 32px;
  }

  .button {
    width: 100%;
  }
}