:root {
  --ink: #020D24;
  --muted: #566273;
  --teal: #0B63F6;
  --teal-dark: #0847B5;
  --cream: #E7EDF5;
  --line: #D4DEE9;
  --white: #fff;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}

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

a { color: inherit; }

.eyebrow {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0 0 12px;
}

h1, h2, h3 {
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0;
}

h1 { font-size: 46px; line-height: 1.12; }
h2 { font-size: 32px; line-height: 1.2; }
h3 { font-size: 20px; }

p { color: var(--muted); margin: 14px 0 0; }

.wrap {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 8px;
  padding: 14px 22px;
  font-weight: 800;
  font-size: 14px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn.primary { background: var(--teal); color: var(--white); }
.btn.primary:hover { background: var(--teal-dark); }

.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--teal); color: var(--teal); }

.btn.on-dark { background: var(--white); color: var(--ink); }
.btn.on-dark:hover { background: var(--cream); }

/* header */
header.site {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

header.site .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

header.site .logo img { height: 44px; width: auto; }

header.site nav { display: flex; align-items: center; gap: 28px; }

header.site nav a.navlink {
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
  text-decoration: none;
}

header.site nav a.navlink:hover { color: var(--ink); }

/* hero */
.hero {
  background: linear-gradient(180deg, var(--cream) 0%, var(--white) 100%);
  padding: 96px 0 72px;
  border-bottom: 1px solid var(--line);
}

.hero .grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: center;
}

.hero .actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

.hero-mark {
  background: var(--ink);
  border-radius: 20px;
  padding: 40px;
  display: grid;
  place-items: center;
}

.hero-mark img { width: 200px; }

/* sections */
section.block { padding: 84px 0; }
section.block.alt { background: var(--cream); }

.section-head { max-width: 640px; margin: 0 0 40px; }

/* product */
.product-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.7fr);
  gap: 40px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 44px;
}

.feature-list { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 14px; }

.feature-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--ink);
}

.feature-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 2px;
  background: var(--teal);
}

.product-card {
  background: var(--ink);
  border-radius: 12px;
  padding: 32px 26px;
  color: var(--white);
  text-align: center;
}

.product-card .glyph {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 14px;
  background: var(--teal);
  display: grid;
  place-items: center;
  font-size: 26px;
  font-weight: 900;
}

.product-card b { display: block; font-size: 18px; margin-bottom: 6px; }
.product-card p { color: #B7C2D9; font-size: 13px; }

/* about */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.about-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 26px;
}

.about-card b { display: block; font-size: 15px; margin-bottom: 8px; }
.about-card p { font-size: 13px; margin-top: 6px; }

/* contact */
.contact-panel {
  background: var(--ink);
  border-radius: 16px;
  padding: 48px;
  color: var(--white);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.6fr);
  gap: 32px;
  align-items: center;
}

.contact-panel h2 { color: var(--white); }
.contact-panel p { color: #B7C2D9; }

.contact-panel .actions { display: flex; flex-direction: column; gap: 12px; }

.contact-panel .actions a.detail {
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  padding: 12px 16px;
  text-align: center;
}

.contact-panel .actions a.detail:hover { border-color: var(--teal); background: rgba(11,99,246,0.15); }

/* footer */
footer.site {
  background: var(--ink);
  color: #B7C2D9;
  padding: 44px 0 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

footer.site .wordmark {
  font-weight: 900;
  letter-spacing: 0.12em;
  font-size: 18px;
  color: var(--white);
  text-transform: uppercase;
}

footer.site .wordmark span { color: var(--teal); }

footer.site .bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 860px) {
  .hero .grid { grid-template-columns: 1fr; }
  .hero-mark { order: -1; padding: 28px; }
  .hero-mark img { width: 140px; }
  h1 { font-size: 34px; }
  .product-panel { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-panel { grid-template-columns: 1fr; padding: 32px; }
  header.site nav { display: none; }
}