/* Counter docs: colors mirror the app's Ocean theme (dark) and Pure theme (light). */
:root {
  --bg-top: #060f1c;
  --bg-bottom: #0d2540;
  --glow-a: rgba(47, 143, 224, 0.42);
  --glow-b: rgba(224, 90, 106, 0.3);
  --text: #ffffff;
  --text-2: rgba(255, 255, 255, 0.72);
  --text-3: rgba(255, 255, 255, 0.5);
  --card: rgba(255, 255, 255, 0.07);
  --card-border: rgba(255, 255, 255, 0.12);
  --accent: #4fc3e8;
  --on-accent: #0b0f17;
  --zone-1: linear-gradient(135deg, #2f8fe0, #1d5bc2);
  --zone-2: linear-gradient(135deg, #d99a4e, #bb7232);
  --zone-3: linear-gradient(135deg, #e05a6a, #b43a5a);
  --zone-4: linear-gradient(135deg, #2aae96, #1a857b);
  --pro: linear-gradient(135deg, #1d5bc2, #2f8fe0 45%, #e05a6a);
  --radius: 22px;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-top: #fafaf8;
    --bg-bottom: #f2f3f6;
    --glow-a: rgba(91, 134, 240, 0.22);
    --glow-b: rgba(230, 106, 110, 0.16);
    --text: #1f232e;
    --text-2: rgba(31, 35, 46, 0.72);
    --text-3: rgba(31, 35, 46, 0.5);
    --card: rgba(31, 35, 46, 0.045);
    --card-border: rgba(31, 35, 46, 0.09);
    --accent: #3f6be0;
    --on-accent: #ffffff;
    --zone-1: linear-gradient(135deg, #5b86f0, #3f64d8);
    --zone-2: linear-gradient(135deg, #55a072, #3f855c);
    --zone-3: linear-gradient(135deg, #e66a6e, #cc4e5a);
    --zone-4: linear-gradient(135deg, #8f74e0, #7055cb);
    --pro: linear-gradient(135deg, #3f64d8, #5b86f0 45%, #e66a6e);
    color-scheme: light;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg-top);
  background-image:
    radial-gradient(60vmax 60vmax at 0% 0%, var(--glow-a), transparent 60%),
    radial-gradient(55vmax 55vmax at 100% 100%, var(--glow-b), transparent 60%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .brand {
  font-family: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: 100%; max-width: 860px; margin: 0 auto; padding: 0 16px; }
.wrap-wide { max-width: 1120px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; backdrop-filter: saturate(160%) blur(18px); -webkit-backdrop-filter: saturate(160%) blur(18px); background: color-mix(in srgb, var(--bg-top) 62%, transparent); border-bottom: 1px solid var(--card-border); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 700; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav { display: flex; gap: 4px; }
.nav a { color: var(--text-2); font-size: 15px; font-weight: 500; padding: 6px 12px; border-radius: 999px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); background: var(--card); text-decoration: none; }

/* Page title */
.page-title { text-align: center; padding: 64px 0 36px; }
.page-title h1 { font-size: clamp(34px, 6vw, 52px); margin: 0 0 10px; font-weight: 800; }
.page-title p { color: var(--text-2); margin: 0 auto; max-width: 600px; }
.updated { display: inline-block; margin-top: 16px; font-size: 14px; color: var(--text-3); padding: 4px 12px; border-radius: 999px; background: var(--card); border: 1px solid var(--card-border); }

/* Cards and sections */
.card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 24px 26px; margin: 0 0 14px; }
.card h2 { font-size: 22px; margin: 0 0 10px; font-weight: 700; }
.card h3 { font-size: 18px; margin: 0 0 6px; font-weight: 700; }
.card p { margin: 0 0 12px; color: var(--text-2); }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }
.card ul { margin: 0 0 12px; padding-left: 20px; color: var(--text-2); }
.card li { margin: 4px 0; }
.card strong { color: var(--text); }

.section-label { font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-3); margin: 36px 8px 12px; }

/* FAQ */
details.card { padding: 0; }
details.card summary { list-style: none; cursor: pointer; padding: 20px 26px; font-weight: 600; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
details.card summary::-webkit-details-marker { display: none; }
details.card summary::after { content: "+"; display: inline-block; font-size: 22px; font-weight: 400; color: var(--text-3); transition: transform 0.2s; flex: none; }
details.card[open] summary::after { transform: rotate(45deg); }
details.card .answer { padding: 0 26px 22px; color: var(--text-2); }
details.card .answer p { margin: 0 0 10px; }
details.card .answer p:last-child { margin: 0; }

/* Buttons */
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 50px; padding: 0 26px; border-radius: 999px; font-weight: 700; font-size: 17px; background: var(--accent); color: var(--on-accent); }
.button:hover { text-decoration: none; filter: brightness(1.06); }
.button.secondary { background: var(--card); color: var(--text); border: 1px solid var(--card-border); }

/* Contact card */
.contact { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.contact p { margin: 0; }

/* Footer */
.site-footer { margin-top: 56px; padding: 28px 0 40px; border-top: 1px solid var(--card-border); color: var(--text-3); font-size: 14px; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.site-footer a { color: var(--text-2); }

/* Marketing */
.hero { text-align: center; padding: 72px 0 24px; }
.hero .app-icon { width: 112px; height: 112px; border-radius: 26px; box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35); }
.hero h1 { font-size: clamp(40px, 8vw, 72px); font-weight: 800; margin: 22px 0 12px; }
.hero p.lead { font-size: clamp(18px, 2.4vw, 22px); color: var(--text-2); max-width: 640px; margin: 0 auto 28px; }
.hero .meta { margin-top: 14px; font-size: 14px; color: var(--text-3); }
.hero-image { display: block; width: 100%; max-width: 900px; height: auto; margin: 36px auto 0; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.feature { margin: 0; }
.feature .chip { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; color: #fff; font-family: ui-rounded, "SF Pro Rounded", -apple-system, sans-serif; font-weight: 800; font-size: 19px; margin-bottom: 14px; box-shadow: 0 8px 18px rgba(0, 0, 0, 0.22); }
.chip.z1 { background: var(--zone-1); }
.chip.z2 { background: var(--zone-2); }
.chip.z3 { background: var(--zone-3); }
.chip.z4 { background: var(--zone-4); }

.screens { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 4px 16px 18px; margin: 0 -16px; -webkit-overflow-scrolling: touch; }
.screens img { flex: none; width: min(260px, 66vw); height: auto; border-radius: 22px; scroll-snap-align: center; border: 1px solid var(--card-border); box-shadow: 0 16px 36px rgba(0, 0, 0, 0.28); }

.pro { background: var(--pro); color: #fff; border: 1px solid rgba(255, 255, 255, 0.22); border-radius: 28px; padding: 30px; box-shadow: 0 24px 50px rgba(0, 0, 0, 0.28); }
.pro h2 { margin: 0 0 4px; font-size: 28px; font-weight: 800; }
.pro p { margin: 0 0 18px; color: rgba(255, 255, 255, 0.85); }
.pro ul { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px 20px; }
.pro li { padding-left: 28px; position: relative; font-weight: 500; }
.pro li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; border-radius: 50%; background: rgba(255, 255, 255, 0.22); display: grid; place-items: center; font-size: 12px; font-weight: 800; }

.cta { text-align: center; padding: 40px 0 8px; }
.cta h2 { font-size: clamp(28px, 4.5vw, 40px); margin: 0 0 10px; font-weight: 800; }
.cta p { color: var(--text-2); margin: 0 0 22px; }

@media (max-width: 560px) {
  body { font-size: 16px; }
  .card { padding: 20px; }
  details.card summary { padding: 18px 20px; }
  details.card .answer { padding: 0 20px 18px; }
  .nav a { padding: 6px 9px; font-size: 14px; }
  .brand span { display: none; }
  .page-title { padding: 44px 0 26px; }
  .pro { padding: 24px; }
}