:root {
  --navy: #16233a;
  --navy-deep: #0f1a2e;
  --orange: #f0872b;
  --orange-soft: #f7a24d;
  --ink: #1c2431;
  --paper: #ffffff;
  --mute: #5b6675;
  --line: #e3e7ee;
  --band: #f4f6fa;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  line-height: 1.65;
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

/* ---- Header ---- */
.site-header {
  background: var(--navy);
  border-bottom: 3px solid var(--orange);
}
.nav {
  max-width: 960px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
}
.brand img { width: 34px; height: 34px; display: block; }
.brand-name {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}
.nav-links { display: flex; gap: 22px; flex-wrap: wrap; }
.nav-links a {
  color: #c8d2e0;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color .15s ease;
}
.nav-links a:hover, .nav-links a:focus { color: var(--orange-soft); }

/* ---- Page shell ---- */
main { max-width: 780px; margin: 0 auto; padding: 56px 24px 80px; }

.page-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-bottom: 8px;
}
.updated {
  color: var(--mute);
  font-size: 0.88rem;
  margin-bottom: 36px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  margin: 36px 0 12px;
  letter-spacing: -0.01em;
}
h2 .num {
  color: var(--orange);
  font-variant-numeric: tabular-nums;
  margin-right: 10px;
}

p { margin-bottom: 14px; color: var(--ink); }
ul { margin: 0 0 14px 22px; }
li { margin-bottom: 8px; }
a { color: #b3611a; }
a:hover { color: var(--orange); }
strong { color: var(--navy); }

.callout {
  background: var(--band);
  border-left: 3px solid var(--orange);
  border-radius: 6px;
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 0.96rem;
}

/* ---- Hero (home) ---- */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: #fff;
  text-align: center;
  padding: 84px 24px 92px;
}
.hero img.clock { width: 76px; height: 76px; margin-bottom: 24px; }
.hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  max-width: 640px;
  margin: 0 auto 16px;
}
.hero p.sub {
  font-size: 1.15rem;
  color: #b7c3d4;
  max-width: 520px;
  margin: 0 auto 32px;
}
.cta {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  font-weight: 600;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  transition: background .15s ease, transform .15s ease;
}
.cta:hover { background: var(--orange-soft); color: #fff; transform: translateY(-1px); }

.steps {
  max-width: 900px;
  margin: 64px auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.step {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px 24px;
}
.step .n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  background: var(--navy);
  color: var(--orange);
  border-radius: 50%;
  font-weight: 700;
  margin-bottom: 14px;
}
.step h3 { font-size: 1.05rem; color: var(--navy); margin-bottom: 6px; }
.step p { color: var(--mute); font-size: 0.95rem; margin: 0; }

/* ---- Footer ---- */
.site-footer {
  background: var(--navy);
  color: #90a0b6;
  padding: 40px 24px;
  text-align: center;
  font-size: 0.85rem;
  line-height: 1.7;
}
.site-footer a { color: #c8d2e0; margin: 0 10px; text-decoration: none; }
.site-footer a:hover { color: var(--orange-soft); }
.site-footer .tm { margin-top: 16px; color: #6b7a90; font-size: 0.78rem; max-width: 560px; margin-left: auto; margin-right: auto; }

@media (max-width: 640px) {
  .hero h1 { font-size: 2rem; }
  .steps { grid-template-columns: 1fr; }
  .nav { flex-direction: column; align-items: flex-start; gap: 12px; }
}