:root {
  --bg: #0e1116;
  --bg-soft: #161b22;
  --panel: #1b2027;
  --border: #2a313b;
  --border-strong: #3a4351;
  --text: #e8edf3;
  --text-dim: #aab4c0;
  --text-faint: #6b7682;
  --accent: #ff7a2f;
  --accent-soft: rgba(255, 122, 47, 0.12);
  --good: #3ddc97;
  --bad: #ff5d73;
  --radius: 14px;
  --radius-sm: 9px;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

/* The hidden attribute must always win over display rules below. */
[hidden] { display: none !important; }

/* Light theme — applied when <html data-theme="light">. Used on the main landing
   and Price Compare (Smart Hub). Other pages keep the dark default. */
:root[data-theme="light"] {
  --bg: #f5f7fa;
  --bg-soft: #eaeef3;
  --panel: #ffffff;
  --border: #e4e8ee;
  --border-strong: #ccd3dd;
  --text: #16202b;
  --text-dim: #4f5b69;
  --text-faint: #8793a1;
  --accent: #ef6a1e;
  --accent-soft: rgba(239, 106, 30, 0.10);
  --good: #1a9d68;
  --bad: #d23a4e;
}

body {
  background: radial-gradient(1100px 600px at 75% -10%, #1c2230 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}
:root[data-theme="light"] body {
  background: radial-gradient(1100px 600px at 75% -10%, #fff4ec 0%, var(--bg) 55%);
}
:root[data-theme="light"] .signup-box {
  background: linear-gradient(160deg, #fff7f1, var(--panel));
}

a { color: inherit; text-decoration: none; }

/* ── Nav ── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 6vw;
  max-width: 1300px;
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; }
.brand-mark { color: var(--accent); font-size: 22px; }
.nav-links { display: flex; align-items: center; gap: 26px; font-size: 14px; color: var(--text-dim); }
.nav-links a:hover { color: var(--text); }

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: filter 0.15s, background 0.15s, border-color 0.15s;
}
.btn-primary { background: var(--accent); color: #1a0e05; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { border-color: var(--border-strong); color: var(--text-dim); background: transparent; }
.btn-ghost:hover { color: var(--text); border-color: var(--accent); }

/* ── Hero ── */
.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
  max-width: 1300px;
  margin: 40px auto 0;
  padding: 40px 6vw 80px;
}
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(255,122,47,0.25);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero h1 { font-size: 50px; line-height: 1.08; font-weight: 800; letter-spacing: -0.02em; }
.hero h1 .accent { color: var(--accent); }
.lede { margin-top: 22px; font-size: 18px; color: var(--text-dim); max-width: 560px; }
.hero-cta { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }
.trust { margin-top: 26px; font-size: 13px; color: var(--text-faint); }

/* ── Price card ── */
.price-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.35);
}
.price-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.dot { font-size: 11px; color: var(--text-faint); }
.dot.live { color: var(--good); }
.price-list { list-style: none; }
.price-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
}
.price-row:last-child { border-bottom: none; }
.price-name { font-size: 14px; color: var(--text); }
.price-unit { font-size: 12px; color: var(--text-faint); margin-left: 6px; }
.price-val { font-variant-numeric: tabular-nums; font-weight: 700; font-size: 15px; white-space: nowrap; }
.price-chg { font-size: 12px; font-variant-numeric: tabular-nums; margin-left: 10px; }
.price-chg.up { color: var(--good); }
.price-chg.down { color: var(--bad); }
.price-skeleton { color: var(--text-faint); justify-content: center; }
.price-foot { margin-top: 14px; font-size: 12px; color: var(--text-faint); text-align: center; }
.example-tag {
  font-size: 10px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-faint); border: 1px solid var(--border-strong); border-radius: 999px; padding: 3px 8px;
}
.price-win {
  margin-left: 10px; font-size: 12px; font-weight: 700; color: var(--good);
  background: rgba(61,220,151,0.12); border-radius: 999px; padding: 2px 8px; white-space: nowrap;
}

/* ── How it works ── */
.how { max-width: 1100px; margin: 0 auto; padding: 60px 6vw; text-align: center; }
.how h2 { font-size: 32px; font-weight: 800; margin-bottom: 44px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.steps-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 860px) { .steps-4 { grid-template-columns: 1fr; } }
.step {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: left;
}
.step-num {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  border: 1.5px solid rgba(255,122,47,0.3);
  margin-bottom: 18px;
}
.step h3 { font-size: 18px; margin-bottom: 10px; }
.step p { color: var(--text-dim); font-size: 14.5px; }

/* ── Signup ── */
.signup { padding: 40px 6vw 80px; }
.signup-box {
  max-width: 680px;
  margin: 0 auto;
  background: linear-gradient(160deg, #1d2530, var(--panel));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 44px;
  text-align: center;
}
.signup-box h2 { font-size: 30px; font-weight: 800; }
.signup-box > p { color: var(--text-dim); margin: 14px auto 26px; max-width: 520px; }
.signup-form { display: flex; gap: 12px; max-width: 480px; margin: 0 auto; }
.signup-form input {
  flex: 1;
  background: var(--bg);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 13px 16px;
  font-size: 15px;
}
.signup-form input:focus { outline: none; border-color: var(--accent); }
.signup-msg { margin-top: 16px; font-size: 14px; min-height: 20px; }
.signup-msg.ok { color: var(--good); }
.fine { margin-top: 18px; font-size: 12px; color: var(--text-faint); }

/* ── Footer ── */
.footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 1300px;
  margin: 0 auto;
  padding: 30px 6vw;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-faint);
}

.footer a { color: var(--text-dim); }
.footer a:hover { color: var(--accent); }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }

/* ── Inner page header + prose (legal, features, security) ── */
.page { max-width: 920px; margin: 0 auto; padding: 56px 6vw 40px; }
.page-head { max-width: 920px; margin: 0 auto; padding: 56px 6vw 8px; }
.page-head h1 { font-size: 38px; font-weight: 800; letter-spacing: -0.02em; }
.page-head p { color: var(--text-dim); margin-top: 12px; font-size: 17px; max-width: 640px; }
.prose { color: var(--text-dim); font-size: 15.5px; line-height: 1.7; }
.prose h2 { color: var(--text); font-size: 21px; font-weight: 700; margin: 30px 0 10px; }
.prose h3 { color: var(--text); font-size: 16.5px; font-weight: 700; margin: 20px 0 6px; }
.prose p, .prose li { margin: 8px 0; }
.prose ul { padding-left: 22px; }
.prose a { color: var(--accent); }
.prose .updated { font-size: 13px; color: var(--text-faint); }
.callout { background: var(--panel); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: var(--radius-sm); padding: 14px 16px; margin: 16px 0; color: var(--text-dim); font-size: 14.5px; }

/* ── Feature / value grid ── */
.feature-grid { max-width: 1100px; margin: 0 auto; padding: 20px 6vw 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { color: var(--text-dim); font-size: 14.5px; }
.card .tag { display: inline-block; font-size: 11px; letter-spacing: .04em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); padding: 3px 8px; border-radius: 6px; margin-bottom: 12px; }

/* ── Pricing ── */
.pricing { max-width: 460px; margin: 10px auto 30px; }
.plan-card { background: var(--panel); border: 1px solid var(--border-strong); border-radius: var(--radius); padding: 32px; text-align: center; }
.plan-price { font-size: 46px; font-weight: 800; letter-spacing: -0.02em; }
.plan-price span { font-size: 16px; color: var(--text-dim); font-weight: 500; }
.plan-card ul { text-align: left; list-style: none; margin: 22px 0; display: grid; gap: 10px; }
.plan-card li { color: var(--text-dim); font-size: 14.5px; padding-left: 26px; position: relative; }
.plan-card li::before { content: "✓"; position: absolute; left: 0; color: var(--good); font-weight: 800; }

/* ── Responsive ── */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 38px; }
  .steps, .feature-grid { grid-template-columns: 1fr; }
  .nav-links a:not(.btn) { display: none; }
  .signup-form { flex-direction: column; }
}
