/* Backscroll marketing site
   Brand: ink navy + clean white, one electric-blue accent (the chevron), Inter type.
   Voice in copy: calm, plainspoken, no dashes.
   Accent vars are still named --amber for historical reasons but now hold brand blue. */

/* Dark navy + electric-blue, matching the Chrome store screenshots.
   Forced dark for every visitor so the site and the store listing look identical. */
:root {
  color-scheme: dark;
  --ink: #eaf0fb;        /* light text on navy */
  --ink-soft: #c3ccdd;
  --paper: #0e1524;      /* deep navy base */
  --paper-2: #131f38;
  --amber: #2f6fed;      /* brand blue, the "found it" accent (chevron blue) */
  --amber-deep: #1d4ed8;
  --teal: #7dd3fc;       /* supporting light-blue highlight */
  --line: #26324c;
  --muted: #9aa6be;
  --white: #16213a;      /* card surface on navy */
  --radius: 14px;
  --maxw: 1080px;
  --grad: linear-gradient(135deg,#0f1830 0%,#1b3a8f 58%,#2f6fed 125%);
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; font-weight: 700; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); margin: 0 0 0.75rem; }
p { margin: 0 0 1rem; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
section { padding: 88px 0; }
.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber-deep);
  margin: 0 0 14px;
}

/* nav */
header.nav {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; text-decoration: none; }
.brand .glyph { width: 26px; height: 26px; }
/* Logo is the brand blue chevron in both modes. */
.brand .glyph.logo-mark { color: #2f6fed; }
@media (prefers-color-scheme: dark) { .brand .glyph.logo-mark { color: #4d86ff; } }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: 0.95rem; }
.nav-links a:hover { color: var(--ink); }
@media (max-width: 640px) { .nav-links a.hide-sm { display: none; } }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--ink); color: var(--paper);
  padding: 13px 22px; border-radius: 10px;
  font-weight: 600; text-decoration: none; border: none; cursor: pointer;
  font-size: 1rem; transition: transform .12s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.amber { background: var(--amber); color: #ffffff; }
.btn.amber:hover { background: var(--amber-deep); }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }

/* hero — brand gradient, mirrors store screenshot #1 */
.hero { padding-top: 72px; padding-bottom: 64px; background: var(--grad); }
.hero .eyebrow { color: #bfdbfe; }
.hero h1 { color: #ffffff; }
.hero .lede { font-size: 1.25rem; color: #dbe6ff; max-width: 34ch; margin-bottom: 1.8rem; }
.hero .hero-note { color: #9fb6e6; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero-note { font-family: var(--mono); font-size: 0.82rem; color: var(--muted); margin-top: 16px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } }

/* mock search card */
.mock {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 24px 60px -30px rgba(22,34,61,0.45);
  overflow: hidden;
}
.mock-bar { display: flex; gap: 8px; padding: 12px 14px; border-bottom: 1px solid var(--line); align-items: center; }
.mock-input {
  flex: 1; font-family: var(--mono); font-size: 0.9rem; color: var(--ink);
  background: var(--paper-2); border-radius: 8px; padding: 9px 12px;
}
.mock-input .cursor { color: var(--amber-deep); }
.mock-result { padding: 14px 16px; border-bottom: 1px solid var(--line); }
.mock-result:last-child { border-bottom: none; }
.mock-result .t { font-weight: 600; font-size: 0.95rem; }
.mock-result .s { color: var(--muted); font-size: 0.85rem; }
.mock-result .m { font-family: var(--mono); font-size: 0.72rem; color: var(--teal); margin-top: 4px; }

/* problem / features grid */
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 780px) { .grid3 { grid-template-columns: 1fr; } }
.card {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px;
}
.card .num { font-family: var(--mono); color: var(--amber-deep); font-size: 0.8rem; margin-bottom: 10px; }
.card h3 { font-size: 1.15rem; margin: 0 0 8px; }
.card p { color: var(--muted); font-size: 0.95rem; margin: 0; }

.alt { background: var(--paper-2); }

/* privacy band — brand gradient, matches the store screenshots */
.privacy-band { background: linear-gradient(135deg,#0f1830 0%,#1b3a8f 55%,#2f6fed 118%); color: #fff; }
.privacy-band .eyebrow { color: #bfdbfe; }
.privacy-band h2 { color: #ffffff; }
.privacy-band p { color: #dbe6ff; }
.privacy-band .devtools {
  font-family: var(--mono); font-size: 0.85rem;
  background: rgba(4,10,32,0.45); border: 1px solid rgba(255,255,255,0.16);
  border-radius: 10px; padding: 18px 20px; color: #9fc0ff;
}
.privacy-band .devtools .zero { color: #4ade80; font-weight: 700; }

/* pricing */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 34px; }
@media (max-width: 820px) { .tiers { grid-template-columns: 1fr; } }
.tier {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column;
}
.tier.feature { border-color: var(--amber); box-shadow: 0 0 0 1px var(--amber); position: relative; }
.tier .tag {
  position: absolute; top: -12px; left: 28px;
  background: var(--amber); color: #ffffff; font-size: 0.72rem; font-weight: 700;
  padding: 4px 10px; border-radius: 999px; font-family: var(--mono); letter-spacing: .04em;
}
.tier h3 { font-size: 1.05rem; margin: 0 0 4px; }
.tier .price { font-size: 2.1rem; font-weight: 700; letter-spacing: -0.03em; }
.tier .price small { font-size: 0.95rem; font-weight: 500; color: var(--muted); }
.tier ul { list-style: none; padding: 0; margin: 16px 0 22px; }
.tier li { padding: 6px 0 6px 26px; position: relative; color: var(--ink-soft); font-size: 0.94rem; }
.tier li::before { content: ""; position: absolute; left: 0; top: 12px; width: 12px; height: 7px; border-left: 2px solid var(--teal); border-bottom: 2px solid var(--teal); transform: rotate(-45deg); }
.tier .btn { margin-top: auto; justify-content: center; }
.free-note { text-align: center; color: var(--muted); font-family: var(--mono); font-size: 0.82rem; margin-top: 22px; }

/* faq */
.faq details {
  border-bottom: 1px solid var(--line); padding: 18px 0;
}
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--amber-deep); font-size: 1.3rem; }
.faq details[open] summary::after { content: "\2013"; }
.faq details p { color: var(--muted); margin: 12px 0 0; }

/* footer */
footer { background: var(--paper-2); border-top: 1px solid var(--line); padding: 48px 0; }
.foot-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.foot-links { display: flex; gap: 22px; flex-wrap: wrap; }
.foot-links a { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.foot-links a:hover { color: var(--ink); }
.foot-note { color: var(--muted); font-size: 0.85rem; max-width: 40ch; }

/* legal pages */
.legal { max-width: 760px; }
.legal h1 { font-size: 2.2rem; }
.legal h2 { font-size: 1.3rem; margin-top: 2rem; }
.legal p, .legal li { color: var(--ink-soft); }
.legal .updated { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); }
.status-box { padding: 40px; text-align: center; }