/* Shared styles of the Web Page Monitor site. No web fonts, no external requests. */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --ink: #0f172a;
  --text: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --red-bg: #fecaca;
  --red: #b91c1c;
  --green-bg: #bbf7d0;
  --green: #166534;
  --radius: 16px;
}

html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); }
img { max-width: 100%; height: auto; display: block; }

.wrap { width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* ---------- header / footer */
.top { background: #fff; border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); text-decoration: none; font-size: 17px; }
.brand img { width: 28px; height: 28px; }
.foot { border-top: 1px solid var(--line); padding: 28px 0 40px; font-size: 14px; color: var(--muted); }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
.foot a { color: var(--muted); }

/* ---------- buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px; border-radius: 12px;
  background: var(--blue); color: #fff; font-weight: 600; font-size: 17px; text-decoration: none;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}
.btn:hover { background: var(--blue-dark); }
.btn.small { padding: 9px 16px; font-size: 15px; box-shadow: none; }

/* ---------- hero (landing) */
.hero {
  background: linear-gradient(170deg, #1f6ff0 0%, #2a55dc 45%, #3a36b4 100%);
  color: #fff; padding: 72px 0 0; overflow: hidden;
}
.hero h1 { font-size: clamp(34px, 5.5vw, 56px); line-height: 1.1; letter-spacing: -1px; color: #fff; text-align: center; }
.hero p.lead { font-size: clamp(17px, 2.2vw, 20px); color: #dbeafe; text-align: center; max-width: 640px; margin: 18px auto 30px; }
.hero .cta { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.hero .cta .btn { background: #fff; color: var(--blue-dark); box-shadow: 0 10px 30px rgba(15, 20, 80, 0.3); }
.hero .cta .btn:hover { background: #eff6ff; }
.hero .cta small { color: #bfdbfe; font-size: 14px; }
.hero .shot { margin: 48px auto 0; max-width: 860px; border-radius: 18px 18px 0 0; box-shadow: 0 -10px 60px rgba(15, 20, 80, 0.35); }

/* ---------- sections */
section.block { padding: 72px 0; }
section.block h2 { font-size: clamp(26px, 3.4vw, 34px); color: var(--ink); letter-spacing: -0.5px; text-align: center; }
section.block p.sub { text-align: center; color: var(--muted); margin: 10px auto 40px; max-width: 620px; font-size: 17px; }

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card h3 { color: var(--ink); font-size: 18px; margin-bottom: 6px; }
.card p { font-size: 15px; }
.card .ico { width: 44px; height: 44px; border-radius: 12px; background: #eff6ff; display: grid; place-items: center; margin-bottom: 14px; font-size: 22px; }

.change { font-weight: 600; white-space: nowrap; }
.change del { background: var(--red-bg); color: var(--red); text-decoration-color: #ef4444; text-decoration-thickness: 2px; padding: 0 5px; border-radius: 5px; }
.change ins { background: var(--green-bg); color: var(--green); text-decoration: none; padding: 0 5px; border-radius: 5px; }
.change .arr { color: #94a3b8; margin: 0 6px; font-weight: 400; }

.faq { max-width: 720px; margin: 0 auto; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; margin-bottom: 12px; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--ink); }
.faq details p { margin-top: 10px; }

/* ---------- privacy */
.doc { max-width: 760px; margin: 0 auto; padding: 56px 24px 72px; }
.doc h1 { color: var(--ink); font-size: 36px; letter-spacing: -0.5px; }
.doc .date { color: var(--muted); margin: 6px 0 28px; }
.doc h2 { color: var(--ink); font-size: 21px; margin: 32px 0 8px; }
.doc p, .doc li { margin-bottom: 10px; }
.doc ul { padding-left: 22px; }
.doc table { width: 100%; border-collapse: collapse; margin: 8px 0 12px; font-size: 15px; }
.doc th, .doc td { text-align: left; border-bottom: 1px solid var(--line); padding: 8px 10px 8px 0; vertical-align: top; }
.doc code { background: #f1f5f9; border-radius: 4px; padding: 1px 5px; font-size: 14px; }