:root {
  --navy: #021a33;
  --navy-2: #07264a;
  --navy-3: #123a63;
  --paper: #f4f1ea;
  --paper-2: #ebe7de;
  --mist: #d7e1de;
  --mist-2: #c8d7d3;
  --teal: #0f7f8a;
  --teal-soft: #dbe8e4;
  --green: #0f6a47;
  --red: #c43a35;
  --slate: #4e647a;
  --ink: #19283a;
  --line: rgba(6, 34, 58, 0.12);
  --line-soft: rgba(255,255,255,0.10);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 16px 32px rgba(5, 20, 35, 0.15);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --max: 1160px;
}

* { 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;
  line-height: 1.55;
  color: rgba(255,255,255,0.92);
  background:
    radial-gradient(circle at top right, rgba(21, 70, 119, 0.32), transparent 28rem),
    radial-gradient(circle at 10% 0%, rgba(26, 95, 136, 0.18), transparent 24rem),
    linear-gradient(180deg, #001731 0%, #001528 100%);
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(2, 22, 44, 0.72);
  border-bottom: 1px solid var(--line-soft);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.28rem;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.24);
  flex: 0 0 auto;
}
.logo-mark img { width: 100%; height: 100%; object-fit: cover; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.95rem;
  font-weight: 650;
}
.nav-links a { color: rgba(255,255,255,0.85); }
.nav-links a:hover { color: #fff; text-decoration: none; }

.hero,
.section,
.page-hero,
.content-wrap,
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.hero {
  padding: 62px 22px 52px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(350px, 490px);
  gap: 46px;
  align-items: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  padding: 8px 13px;
  border-radius: 999px;
  background: rgba(216, 231, 226, 0.10);
  border: 1px solid rgba(216, 231, 226, 0.18);
  color: #dbe9e6;
  font-weight: 760;
  font-size: 0.88rem;
}

h1, h2, h3 {
  margin: 0;
  letter-spacing: -0.045em;
  line-height: 1.06;
}

.hero h1 {
  margin-top: 22px;
  font-size: clamp(2.9rem, 6vw, 5.2rem);
  max-width: 10ch;
}

.hero p {
  margin: 20px 0 0;
  color: rgba(255,255,255,0.78);
  font-size: clamp(1.08rem, 2vw, 1.22rem);
  max-width: 38rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease;
}
.button:hover { text-decoration: none; transform: translateY(-1px); }
.button.primary { background: var(--paper); color: var(--navy); box-shadow: var(--shadow-md); }
.button.secondary { background: transparent; color: #fff; border-color: rgba(255,255,255,0.22); }

.hero-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 30px;
}
.point-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-md);
  padding: 16px 18px;
}
.point-card strong { display: block; margin-bottom: 4px; color: #fff; }
.point-card span { color: rgba(255,255,255,0.74); font-size: 0.98rem; }

.device-wrap { position: relative; }
.device-wrap::before {
  content: "";
  position: absolute;
  inset: auto 12% -4% 12%;
  height: 38px;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0.42), transparent 70%);
  filter: blur(12px);
}
.device-shell {
  position: relative;
  border-radius: 42px;
  padding: 14px;
  background: linear-gradient(180deg, #11345a 0%, #03192e 100%);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.14);
}
.device-shell::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 50%;
  width: 32%;
  height: 18px;
  transform: translateX(-50%);
  border-radius: 0 0 16px 16px;
  background: rgba(0,0,0,0.38);
}
.device-shot {
  width: 100%;
  border-radius: 30px;
  border: 1px solid rgba(255,255,255,0.10);
}

.section {
  padding: 26px 22px 74px;
}

.section-header {
  margin-bottom: 26px;
}
.section-header.narrow { max-width: 760px; }
.section-header h2 { font-size: clamp(2rem, 4.2vw, 3.35rem); }
.section-header p { margin: 14px 0 0; font-size: 1.06rem; }
.light-text p { color: rgba(255,255,255,0.72); }

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

.feature-card,
.content-card {
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: var(--shadow-md);
}

.feature-card {
  padding: 24px;
}
.feature-card h3 { font-size: 1.3rem; color: var(--navy); margin-bottom: 10px; }
.feature-card p { color: var(--slate); margin: 0; }
.icon-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--teal-soft);
  color: var(--teal);
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.page-hero {
  padding: 72px 22px 22px;
}
.page-hero h1 {
  margin-top: 18px;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
}
.page-hero p {
  margin: 14px 0 0;
  color: rgba(255,255,255,0.74);
  font-size: 1.08rem;
}

.content-wrap {
  padding: 18px 22px 76px;
  max-width: 900px;
}
.content-card {
  padding: clamp(24px, 5vw, 42px);
}
.content-card h2 {
  font-size: 1.7rem;
  color: var(--navy);
  margin: 34px 0 12px;
}
.content-card h2:first-child { margin-top: 0; }
.content-card p,
.content-card li { color: var(--slate); }
.content-card ul { padding-left: 1.2rem; }
.content-card strong { color: var(--navy); }
.content-card a { color: var(--teal); }

.notice {
  margin: 22px 0;
  border-left: 4px solid var(--teal);
  background: #eef5f2;
  color: var(--ink);
  padding: 14px 16px;
  border-radius: 0 14px 14px 0;
}

.footer {
  border-top: 1px solid var(--line-soft);
  background: rgba(0, 12, 24, 0.5);
}
.footer-inner {
  padding: 26px 22px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
  color: rgba(255,255,255,0.74);
}
.footer a { color: #fff; }
.footer .brand { font-size: 1.05rem; }
.footer .logo-mark { width: 34px; height: 34px; border-radius: 11px; box-shadow: none; }

@media (max-width: 940px) {
  .hero { grid-template-columns: 1fr; }
  .device-wrap { max-width: 520px; }
  .grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav { padding: 14px 16px; align-items: flex-start; }
  .nav-links { gap: 12px; font-size: 0.88rem; flex-wrap: wrap; justify-content: flex-end; }
  .brand { font-size: 1.08rem; }
  .logo-mark { width: 38px; height: 38px; border-radius: 12px; }
  .hero,
  .section,
  .page-hero,
  .content-wrap,
  .footer-inner { padding-left: 16px; padding-right: 16px; }
  .hero { padding-top: 44px; }
  .device-shell { border-radius: 32px; padding: 10px; }
  .device-shot { border-radius: 24px; }
}