/* calc.a2cons.com: the landing page, guide, support, terms and privacy.
   Plain CSS, no build step beyond scripts/site-build.mjs wrapping the
   pages. Colors are the app's own (src/app.css). */

:root {
  color-scheme: light dark;
  --bg: #f2f5f3;
  --surface: #ffffff;
  --band: #e7eee9;
  --ink: #111c16;
  --muted: #5d6d65;
  --line: #dde5e0;
  --green: #006839;
  --green-ink: #ffffff;
  --green-soft: #dfeee5;
  --dark: #0c1f15;
  --dark-ink: #eef4f0;
  --dark-muted: #a9bdb2;
  --wood: #e2c393;
  --shadow: 0 18px 40px -18px rgba(5, 30, 15, 0.38);
  --radius: 18px;
  --wrap: 1120px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b100d;
    --surface: #151c18;
    --band: #111814;
    --ink: #e9f0ec;
    --muted: #9fb0a7;
    --line: #26302b;
    --green: #3fbf7f;
    --green-ink: #04140b;
    --green-soft: #12301f;
    --dark: #050906;
    --shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.8);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--green); }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.01em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* Header and footer */
.top {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.top-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 1.05rem; }
.brand img { border-radius: 8px; }
.top-nav { display: flex; align-items: center; gap: 22px; font-size: 0.95rem; }
.top-nav a { color: var(--ink); text-decoration: none; }
.top-nav a:hover, .top-nav a[aria-current] { color: var(--green); }
.top-nav .top-get { color: var(--green-ink); background: var(--green); padding: 7px 16px; border-radius: 999px; font-weight: 600; }
.top-nav .top-get:hover { color: var(--green-ink); filter: brightness(1.08); }
@media (max-width: 640px) {
  .top-nav { gap: 14px; font-size: 0.88rem; }
  .top-nav .wide { display: none; }
  .brand span { display: none; }
}

.foot { border-top: 1px solid var(--line); margin-top: 40px; padding: 36px 0 44px; font-size: 0.92rem; color: var(--muted); }
.foot-row { display: grid; grid-template-columns: 1fr auto; gap: 18px 32px; align-items: center; }
.foot-brand { display: flex; gap: 12px; align-items: center; }
.foot-brand img { border-radius: 10px; }
.foot-brand strong { display: block; color: var(--ink); }
.foot-nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.foot-nav a { color: var(--muted); text-decoration: none; }
.foot-nav a:hover { color: var(--green); }
.foot-copy { grid-column: 1 / -1; margin: 0; }
.foot-copy a { color: inherit; }
@media (max-width: 640px) { .foot-row { grid-template-columns: 1fr; } }

/* Buttons, badges */
.btn {
  display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 20px;
  border-radius: 999px; font-weight: 600; text-decoration: none; font-size: 0.98rem;
}
.btn-green { background: var(--green); color: var(--green-ink); }
.btn-green:hover { filter: brightness(1.08); }
.btn-line { border: 1.5px solid var(--line); color: var(--ink); background: var(--surface); }
.btn-line:hover { border-color: var(--green); color: var(--green); }
.badges { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.badges img { height: 44px; width: auto; }
.soon {
  display: inline-flex; flex-direction: column; justify-content: center; height: 44px; padding: 0 14px; border-radius: 9px;
  background: var(--ink); color: var(--bg); font-weight: 600; font-size: 0.82rem; line-height: 1.15;
}
.soon small { font-weight: 500; opacity: 0.75; font-size: 0.72rem; }

/* Hero */
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; padding-top: 56px; padding-bottom: 40px; }
.eyebrow { color: var(--green); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.8rem; margin: 0 0 12px; }
.hero h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); margin: 0 0 18px; }
.hero h1 em, .section-title em { font-style: normal; color: var(--green); }
.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 26px; max-width: 34em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.ticks { list-style: none; padding: 0; margin: 26px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; font-size: 0.95rem; }
.ticks li { display: flex; gap: 8px; align-items: baseline; }
.ticks li::before { content: "✓"; color: var(--green); font-weight: 800; }

/* Device frames */
.phone { border-radius: 40px; overflow: hidden; box-shadow: var(--shadow); border: 8px solid #111; background: #111; }
.phone img, .phone video { border-radius: 32px; width: 100%; }
.stage { position: relative; display: flex; justify-content: center; padding: 10px 0 30px; }
.stage .phone { width: min(300px, 62%); }
.stage .back { position: absolute; left: 4%; top: 40px; transform: rotate(-7deg); opacity: 0.92; }
.stage .vid { position: relative; transform: rotate(3deg); margin-left: 28%; }
.sound {
  position: absolute; right: 14px; bottom: 16px; z-index: 2; border: 0; cursor: pointer;
  background: rgba(0, 0, 0, 0.62); color: #fff; font: 600 0.82rem/1 inherit; padding: 9px 14px; border-radius: 999px;
}
.sound::before { content: "🔈 "; }
.sound.on::before { content: "🔊 "; }
.window { border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); background: var(--surface); }
.window .bar { height: 26px; display: flex; gap: 7px; align-items: center; padding: 0 11px; background: var(--band); }
.window .bar i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.window .bar i:nth-child(2) { background: #febc2e; }
.window .bar i:nth-child(3) { background: #28c840; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 36px; }
  .stage { max-width: 440px; margin: 0 auto; }
}

/* Sections */
.section { padding: 64px 0; }
.band { background: var(--band); }
.section-title { font-size: clamp(1.8rem, 3.6vw, 2.5rem); margin: 0 0 12px; }
.section-lead { color: var(--muted); font-size: 1.08rem; margin: 0 0 28px; max-width: 40em; }
.center { text-align: center; margin-left: auto; margin-right: auto; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split.flip > :first-child { order: 2; }
.split-shots { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 480px; margin: 0 auto; align-items: start; }
.split-shots .phone:nth-child(2) { margin-top: 48px; }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checklist li { display: flex; gap: 10px; }
.checklist li::before { content: "✓"; color: var(--green); font-weight: 800; flex: none; }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split.flip > :first-child { order: 0; }
}

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.feature h3 { margin: 10px 0 6px; font-size: 1.08rem; }
.feature p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.feature .ico { font-size: 1.6rem; }
@media (max-width: 860px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }

.devices { display: grid; grid-template-columns: 1.2fr 1fr; gap: 36px; align-items: center; }
.devices .window { max-width: 520px; justify-self: center; }
.device-note { color: var(--muted); }
@media (max-width: 860px) { .devices { grid-template-columns: 1fr; } }

.dark-band { background: var(--dark); color: var(--dark-ink); }
.dark-band .section-lead { color: var(--dark-muted); }
.trust { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.trust h3 { margin: 0 0 6px; font-size: 1.02rem; }
.trust p { margin: 0; color: var(--dark-muted); font-size: 0.93rem; }
.trust a { color: #7fe0ad; }
@media (max-width: 860px) { .trust { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .trust { grid-template-columns: 1fr; } }

.plug { display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.plug .mark { width: 96px; height: 96px; border-radius: 22px; background: var(--green); color: #fff; display: grid; place-items: center; font: 800 2.2rem/1 inherit; }
.plug h2 { margin: 0 0 8px; }
.plug p { margin: 0 0 12px; color: var(--muted); }
@media (max-width: 600px) { .plug { grid-template-columns: 1fr; } }

.get { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 22px; align-items: center; background: var(--green-soft); border-radius: var(--radius); padding: 30px; }
.get h2 { margin: 0 0 6px; }
.get p { margin: 0; color: var(--muted); }

/* Text pages: guide, support, terms, privacy */
.page { max-width: 760px; padding-top: 44px; }
.page h1 { font-size: clamp(2rem, 4vw, 2.7rem); margin: 0 0 8px; }
.page .meta { color: var(--muted); margin: 0 0 28px; }
.page h2 { margin: 36px 0 10px; font-size: 1.35rem; }
.page p, .page li { color: var(--ink); }
.page .muted { color: var(--muted); }
.toc { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 12px; padding: 0; list-style: none; }
.toc a { display: inline-block; padding: 6px 12px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); text-decoration: none; color: var(--ink); font-size: 0.9rem; }
.toc a:hover { border-color: var(--green); color: var(--green); }
.step { display: grid; grid-template-columns: 1fr 220px; gap: 28px; align-items: start; margin: 18px 0 8px; }
.step .phone { border-width: 6px; border-radius: 30px; }
.step .phone img { border-radius: 24px; }
@media (max-width: 640px) { .step { grid-template-columns: 1fr; } .step .phone { max-width: 240px; } }
.keys { display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; margin: 14px 0; padding: 14px 18px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
.keys dt { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); }
.keys dd { margin: 0; font-weight: 600; }
kbd { font: 600 0.9em ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--surface); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 6px; padding: 1px 6px; }
.note { background: var(--green-soft); border-radius: 12px; padding: 14px 18px; }