/* Deftest — deftest.app
   Corporate-structured pass: solid surfaces, hairline borders,
   strict rhythm, real headings. System type throughout. Zero JS,
   zero cookies — the site practices what the app preaches. */

:root {
  --navy: #0F2240;         /* brand deep */
  --navy-mid: #1F4E8C;
  --link: #2563EB;
  --ink: #0B1523;
  --body: #3A4655;
  --muted: #64748B;
  --bg: #FFFFFF;
  --panel: #F5F7FA;
  --line: #E4E9F0;
  --card: #FFFFFF;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #F1F4F8; --body: #B9C2CE; --muted: #8B96A5;
    --bg: #0C111B; --panel: #111827; --line: #232D3D;
    --card: #121A28; --link: #6C9DF2;
  }
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--body);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, 'SF Pro Text',
        'Helvetica Neue', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ── Nav ─────────────────────────────────────────────────────── */
.site-head {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-head .inner {
  max-width: 1040px; margin: 0 auto; padding: 0 24px;
  height: 60px; display: flex; align-items: center; gap: 12px;
}
.mark { width: 36px; height: 36px; border-radius: 22.5%; display: block; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand:hover { text-decoration: none; }
.wordmark {
  font-weight: 700; font-size: 18px; letter-spacing: -0.01em;
  color: var(--ink); text-decoration: none;
}
nav.main { margin-left: auto; display: flex; gap: 26px; }
nav.main a {
  font-size: 14px; font-weight: 500; color: var(--muted);
  text-decoration: none; letter-spacing: 0;
}
nav.main a:hover { color: var(--ink); }
nav.main a[aria-current] { color: var(--ink); font-weight: 600; }
@media (max-width: 640px) {
  .site-head .inner { padding: 0 16px; gap: 10px; }
  .mark { width: 28px; height: 28px; }
  nav.main { gap: 12px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  nav.main a { font-size: 13px; white-space: nowrap; }
  .wordmark { display: none; }
}

/* ── Structure ───────────────────────────────────────────────── */
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
main { display: block; }
section { padding: 72px 0; }
section + section { border-top: 1px solid var(--line); }
section.panel { background: var(--panel); }
/* One alignment law: reading columns are CENTERED site-wide.
   Text inside stays left-aligned for readability; the column
   itself sits in the middle, homepage included. */
.narrow { max-width: 720px; margin-left: auto; margin-right: auto; }

.eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--navy-mid); margin-bottom: 10px;
}
@media (prefers-color-scheme: dark) { .eyebrow { color: #7FA8DE; } }
h1 {
  font-size: clamp(34px, 5vw, 52px); line-height: 1.08;
  letter-spacing: -0.022em; font-weight: 700; color: var(--ink);
  margin-bottom: 16px;
}
h2 {
  font-size: 27px; line-height: 1.2; letter-spacing: -0.015em;
  font-weight: 700; color: var(--ink); margin-bottom: 14px;
}
h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin: 22px 0 6px; }
p { margin-bottom: 14px; max-width: 68ch; }
.lede { font-size: 19px; line-height: 1.55; color: var(--body); }
.muted { color: var(--muted); }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
strong { color: var(--ink); font-weight: 600; }

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  padding: 40px 0 52px; position: relative; overflow: hidden;
  /* A macOS-desktop backdrop, dark enough that the window pops */
  background:
    radial-gradient(900px 480px at 50% -10%,
      color-mix(in srgb, var(--navy-mid) 30%, transparent), transparent 74%),
    linear-gradient(180deg,
      color-mix(in srgb, var(--navy) 22%, var(--bg)),
      color-mix(in srgb, var(--navy-mid) 8%, var(--bg)) 88%);
}
.hero-window {
  max-width: 860px; margin: 0 auto; text-align: center;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; overflow: hidden;
  box-shadow: 0 2px 6px rgba(15,34,64,.08), 0 32px 80px rgba(15,34,64,.22);
}
.titlebar {
  position: relative; height: 42px; display: flex; align-items: center;
  padding: 0 16px; background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.titlebar .dots { display: flex; gap: 8px; }
.titlebar .dots i { width: 12px; height: 12px; border-radius: 50%; display: block; }
.titlebar .dots i:nth-child(1) { background: #FF5F57; }
.titlebar .dots i:nth-child(2) { background: #FEBC2E; }
.titlebar .dots i:nth-child(3) { background: #28C840; }
.titlebar .wtitle {
  position: absolute; left: 0; right: 0; text-align: center;
  font-size: 13px; font-weight: 600; color: var(--muted);
  pointer-events: none;
}
.hero-window .content { padding: 34px 36px 32px; }
@media (max-width: 640px) { .hero-window .content { padding: 40px 22px 38px; } }
.hero .wrap { position: relative; text-align: center; }
.hero-mark {
  width: 64px; height: 64px; border-radius: 22.5%;
  margin: 0 auto 16px; display: block;
  box-shadow: 0 2px 6px rgba(15,34,64,.18), 0 14px 32px rgba(15,34,64,.20);
}
.hero h1, .hero .lede { margin-left: auto; margin-right: auto; }
.hero .cta-row, .hero .trust-row { justify-content: center; }
.trust-row {
  display: flex; gap: 8px 20px; flex-wrap: wrap; margin-top: 16px;
  font-size: 13.5px; font-weight: 500; color: var(--muted);
}
.trust-row span::before {
  content: "✓"; color: var(--navy-mid); font-weight: 700;
  margin-right: 7px;
}
@media (prefers-color-scheme: dark) { .trust-row span::before { color: #7FA8DE; } }
.hero .platforms {
  font-size: 12.5px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 10px;
}
.hero h1 { max-width: 640px; margin-left:auto; margin-right:auto;
  font-size: clamp(28px, 4vw, 40px); margin-bottom: 12px; }
.hero .lede { max-width: 600px; margin-bottom: 20px;
  font-size: 17px; line-height: 1.55; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* ── Stat band ───────────────────────────────────────────────── */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--card); overflow: hidden;
}
@media (max-width: 720px) { .stats { grid-template-columns: 1fr 1fr; } }
.stat { padding: 22px 24px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
@media (max-width: 720px) {
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
}
.stat .n {
  font-size: 28px; font-weight: 700; color: var(--ink);
  letter-spacing: -0.02em; line-height: 1.1;
}
.stat .l { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 600; text-decoration: none;
  padding: 11px 22px; border-radius: 9px; line-height: 1;
  border: 1px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn.primary { background: var(--navy); color: #fff; }
.btn.primary:hover { background: var(--navy-mid); }
.btn.ghost { border-color: var(--line); color: var(--ink); background: var(--card); }
.btn.ghost:hover { border-color: var(--muted); }

/* ── Screenshots ─────────────────────────────────────────────── */
.shot {
  border-radius: 10px; overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(15,34,64,.06), 0 12px 32px rgba(15,34,64,.10);
  background: var(--card);
}
.shot img { width: 100%; display: block; }
.shot .chrome {
  height: 36px; display: flex; align-items: center; gap: 7px;
  padding: 0 14px; background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.shot .chrome i {
  width: 11px; height: 11px; border-radius: 50%; display: block;
}
.shot .chrome i:nth-child(1) { background: #FF5F57; }
.shot .chrome i:nth-child(2) { background: #FEBC2E; }
.shot .chrome i:nth-child(3) { background: #28C840; }
.shot .placeholder {
  display: flex; align-items: center; justify-content: center;
  min-height: 300px; color: var(--muted); text-align: center;
  font-size: 13px; padding: 24px;
}
.shot-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
  align-items: start; }
.shot-solo { max-width: 900px; margin: 0 auto 34px; }
.shot-solo:last-of-type { margin-bottom: 0; }
a:has(.shot) { display: block; }
a:has(.shot):hover .shot { box-shadow: 0 2px 6px rgba(15,34,64,.10),
  0 20px 52px rgba(15,34,64,.18); }
.shot.iphone { max-width: 340px; margin: 0 auto; border-radius: 34px; }
.shot.iphone img { border-radius: 34px; }
@media (max-width: 720px) { .shot-row { grid-template-columns: 1fr; } }
.caption { font-size: 13px; color: var(--muted); margin-top: 10px; }

/* ── Feature rows: copy beside a screenshot, sides alternating ── */
.feature-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 44px;
  align-items: center;
}
.feature-split .feature-copy h2 { margin-top: 0; }
.feature-split .feature-copy p:last-child { margin-bottom: 0; }
.feature-split.flip .feature-media { order: -1; }
.feature-media .shot.iphone { max-width: 230px; }
.feature-media .caption { text-align: center; }
@media (max-width: 640px) {
  .feature-split { grid-template-columns: 1fr; gap: 24px; }
  .feature-split.flip .feature-media { order: 0; }
}

/* iPad + iPhone pair under the Sync section.
   Column ratio 3.3:1 keeps the two devices at true physical scale
   (10.2" iPad landscape next to a 6.1" iPhone). */
.device-duo {
  display: grid; grid-template-columns: 3.3fr 1fr; gap: 28px;
  align-items: center; max-width: 900px; margin: 34px auto 0;
}
.shot.ipad { border-radius: 20px; }
.shot.ipad img { border-radius: 20px; }
.device-duo .shot.iphone { max-width: none; }
@media (max-width: 560px) {
  .device-duo { grid-template-columns: 1fr; gap: 24px; }
  .device-duo .shot.iphone { max-width: 240px; }
}
.stats { max-width: 900px; margin-left: auto; margin-right: auto; }
.stat { text-align: left; }

/* ── Product illustration (until real screenshots land) ──────── */
.mockwrap { position: relative; max-width: 900px; margin: 0 auto; }
.mock-window {
  border-radius: 12px; overflow: hidden;
  border: 1px solid var(--line); background: var(--card);
  box-shadow: 0 1px 2px rgba(15,34,64,.06), 0 18px 48px rgba(15,34,64,.14);
}
.mock-body { padding: 22px; display: grid; gap: 18px; }
.mock-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.mock-stat {
  border: 1px solid var(--line); border-radius: 10px; padding: 14px;
  background: var(--bg);
}
.mock-stat .t { height: 8px; width: 56%; border-radius: 4px;
  background: var(--line); margin-bottom: 12px; }
.mock-stat .v { font-weight: 700; color: var(--ink); font-size: 20px;
  letter-spacing: -0.02em; }
.mock-stat .v.blue { color: var(--navy-mid); }
.mock-lower { display: grid; grid-template-columns: 1.1fr 1fr; gap: 18px; }
.mock-chart {
  border: 1px solid var(--line); border-radius: 10px; padding: 16px;
  background: var(--bg); display: flex; align-items: flex-end;
  gap: 8px; height: 150px;
}
.mock-chart i { flex: 1; border-radius: 4px 4px 0 0;
  background: color-mix(in srgb, var(--navy-mid) 82%, #fff); display:block; }
.mock-chart i:nth-child(odd) { background: var(--navy-mid); }
.mock-rows { border: 1px solid var(--line); border-radius: 10px;
  background: var(--bg); padding: 8px 14px; }
.mock-row { display: flex; align-items: center; gap: 10px;
  padding: 11px 0; border-top: 1px solid var(--line); }
.mock-row:first-child { border-top: 0; }
.mock-row .dot { width: 9px; height: 9px; border-radius: 50%; }
.mock-row .line { height: 8px; border-radius: 4px; background: var(--line);
  flex: 1; }
.mock-row .amt { font-size: 13px; font-weight: 600; color: var(--ink); }
.mock-phone {
  position: absolute; right: -14px; bottom: -26px; width: 190px;
  border-radius: 30px; border: 1px solid var(--line);
  background: var(--card); padding: 14px 12px 16px;
  box-shadow: 0 14px 40px rgba(15,34,64,.20);
}
.mock-phone .notch { width: 64px; height: 8px; border-radius: 4px;
  background: var(--line); margin: 0 auto 12px; }
.mock-phone .hero-num { font-weight: 700; color: var(--navy-mid);
  font-size: 22px; letter-spacing: -0.02em; margin-bottom: 10px; }
.mock-phone .mock-row { padding: 9px 0; }
@media (max-width: 780px) { .mock-phone { display: none; }
  .mock-lower { grid-template-columns: 1fr; } }

/* ── Capabilities grid ───────────────────────────────────────── */
.caps { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px;
  max-width: 900px; margin: 30px auto 0; text-align: left; }
@media (max-width: 760px) { .caps { grid-template-columns: 1fr; } }
.cap { border: 1px solid var(--line); border-radius: 12px;
  background: var(--card); padding: 18px; }
.cap .ric { width: 26px; height: 26px; margin-bottom: 10px;
  color: var(--navy-mid); display: block; }
@media (prefers-color-scheme: dark) { .cap .ric { color: #7FA8DE; } }
.cap h3 { margin: 0 0 4px; font-size: 15.5px; }
.cap p { font-size: 14px; margin: 0; color: var(--muted); }

/* ── Cards / tiers ───────────────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 760px) { .cards { grid-template-columns: 1fr; } }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 24px;
}
.card h3 { margin-top: 0; }
.price { font-size: 30px; font-weight: 700; color: var(--ink); margin: 6px 0 0; }
.per { color: var(--muted); font-size: 14px; margin-bottom: 12px; }

/* ── Pricing tiers: side-by-side, each with its own accent ────── */
.tiers {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  align-items: stretch; margin-top: 34px;
}
@media (max-width: 820px) {
  .tiers { grid-template-columns: 1fr; max-width: 460px;
    margin-left: auto; margin-right: auto; }
}
.tier {
  position: relative; display: flex; flex-direction: column;
  border-radius: 14px; padding: 30px 24px 24px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--accent) 8%, var(--card)),
    var(--card) 60%);
}
.tier::before {
  content: ""; position: absolute; top: -1px; left: -1px; right: -1px;
  height: 5px; border-radius: 14px 14px 0 0;
  background: linear-gradient(90deg, var(--accent),
    color-mix(in srgb, var(--accent) 45%, #fff));
}
.tier.monthly  { --accent: #2563EB; }
.tier.yearly   { --accent: #059669; }
.tier.lifetime { --accent: #D97706; }
@media (prefers-color-scheme: dark) {
  .tier.monthly  { --accent: #6C9DF2; }
  .tier.yearly   { --accent: #34C08B; }
  .tier.lifetime { --accent: #E8A13C; }
  .tier::before { background: linear-gradient(90deg, var(--accent),
    color-mix(in srgb, var(--accent) 55%, transparent)); }
}
.tier.featured {
  border-color: color-mix(in srgb, var(--accent) 60%, var(--line));
  box-shadow: 0 12px 36px color-mix(in srgb, var(--accent) 20%, transparent);
}
.tier .badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #fff; white-space: nowrap;
  font-size: 12px; font-weight: 600; letter-spacing: .02em;
  padding: 4px 14px; border-radius: 99px;
}
.tier .tname {
  font-size: 13px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 8px;
}
.tier .price { font-size: 36px; letter-spacing: -0.02em; margin: 0; }
.tier .per { margin: 2px 0 14px; }
.tier p { font-size: 14.5px; margin-bottom: 0; }
.tier ul {
  list-style: none; padding: 0; margin: 0 0 16px; font-size: 14.5px;
}
.tier ul li { padding: 5px 0; }
.tier ul li::before {
  content: "✓"; color: var(--accent); font-weight: 700; margin-right: 9px;
}
.tier .fine { margin-top: auto; padding-top: 12px; font-size: 13px;
  color: var(--muted); }

/* ── Currency note under the tiers ───────────────────────────── */
.price-note {
  max-width: 900px; margin: 22px auto 0;
  text-align: center; font-size: 13.5px; color: var(--muted);
}

/* ── Pricing notes: the fine print as colorful cards ─────────── */
.pnotes {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  max-width: 940px; margin: 30px auto 0; text-align: left;
}
@media (max-width: 760px) { .pnotes { grid-template-columns: 1fr; } }
.pnote {
  border-radius: 14px; padding: 24px 22px;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
  background: linear-gradient(145deg,
    color-mix(in srgb, var(--accent) 9%, var(--card)),
    var(--card) 58%);
}
.pnote.devices   { --accent: #2563EB; }
.pnote.ends      { --accent: #059669; }
.pnote.mechanics { --accent: #7C3AED; }
.pnote.whypaid   { --accent: #D97706; }
@media (prefers-color-scheme: dark) {
  .pnote.devices   { --accent: #6C9DF2; }
  .pnote.ends      { --accent: #34C08B; }
  .pnote.mechanics { --accent: #A78BFA; }
  .pnote.whypaid   { --accent: #E8A13C; }
}
.pnote .pic {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--accent) 16%, var(--card));
  color: var(--accent); margin-bottom: 14px;
}
.pnote .pic svg { width: 24px; height: 24px; }
.pnote h3 { margin: 0 0 8px; font-size: 17px; }
.pnote p { font-size: 14.5px; margin: 0; }
.pnote a { color: var(--accent); font-weight: 600; }

.section-head { text-align: center; }
.section-head p { margin-left: auto; margin-right: auto; }

/* Reason rows on the landing: a centered column, text left inside */
.reasons { display: grid; gap: 0; max-width: 840px;
           margin: 26px auto 0; text-align: left; }
.reason .ric {
  width: 30px; height: 30px; display: block; margin-bottom: 10px;
  color: var(--navy-mid);
}
@media (prefers-color-scheme: dark) { .reason .ric { color: #7FA8DE; } }
.reason {
  display: grid; grid-template-columns: 200px 1fr; gap: 24px;
  padding: 22px 0; border-top: 1px solid var(--line);
}
.reason:last-child { border-bottom: 1px solid var(--line); }
.reason h3 { margin: 0; }
@media (max-width: 640px) { .reason { grid-template-columns: 1fr; gap: 6px; } }

/* ── FAQ ─────────────────────────────────────────────────────── */
details { border-bottom: 1px solid var(--line); padding: 18px 0; }
details:first-of-type { border-top: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; font-size: 16px; color: var(--ink); }
details p { margin-top: 12px; }

/* ── CTA band ────────────────────────────────────────────────── */
.cta-band { background: var(--navy); position: relative; overflow: hidden; }
.cta-band .wrap { position: relative; text-align: center; }
.cta-band .cta-row { justify-content: center; }
.cta-band p { margin-left: auto; margin-right: auto; }
.cta-band .wrap { padding-top: 64px; padding-bottom: 64px; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #C3D0E4; }
.cta-band .btn.primary { background: #fff; color: var(--navy); }
.cta-band .btn.primary:hover { background: #E9EEF6; }

/* ── Footer ──────────────────────────────────────────────────── */
.site-foot { background: var(--navy); color: #9FB0C8; }
.site-foot .wrap {
  padding: 48px 24px 56px; display: grid; gap: 36px;
  grid-template-columns: 2fr 1fr 1fr;
}
@media (max-width: 700px) { .site-foot .wrap { grid-template-columns: 1fr; } }
.site-foot .brandline { color: #E7EDF6; font-weight: 600; font-size: 15px;
  display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.site-foot .colhead {
  font-size: 12px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: #7A8CA8; margin-bottom: 12px;
}
.site-foot a { color: #C3D0E4; display: block; margin-bottom: 8px; font-size: 14px; }
.site-foot a:hover { color: #fff; }
.site-foot .fine { font-size: 13px; color: #7A8CA8; margin-top: 8px; }
.site-foot .bar {
  border-top: 1px solid rgba(255,255,255,.12);
}
.site-foot .bar .wrap {
  display: flex; justify-content: space-between; gap: 12px;
  flex-wrap: wrap; padding: 18px 24px; grid-template-columns: none;
  font-size: 13px; color: #7A8CA8;
}

/* ── Legal pages ─────────────────────────────────────────────── */
.legal-head { padding: 56px 0 8px; }
.updated { color: var(--muted); font-size: 14px; }
.oneliner {
  font-size: 20px; line-height: 1.5; color: var(--ink);
  border-left: 3px solid var(--navy-mid); padding-left: 18px;
  margin: 18px 0 8px;
}
.mail {
  display: inline-flex; font-size: 16px; font-weight: 600; color: #fff;
  background: var(--navy); padding: 11px 20px; border-radius: 9px;
  text-decoration: none; margin: 6px 0 10px;
}
.mail:hover { background: var(--navy-mid); text-decoration: none; }