/* One stylesheet, no framework, no webfont request.
 *
 * The buyer opens this standing in a street on rural 4G. Every kilobyte is a
 * kilobyte they wait for, so the type is the system stack and the only image
 * that loads above the fold is the product itself. */

:root {
  --bg: #0b1120;
  --panel: #151c2c;
  --panel-2: #1a2235;
  --border: #2a344a;
  --ink: #f8fafc;
  --muted: #94a3b8;
  --dim: #64748b;
  --brand: #e11d48;
  --brand-soft: rgba(225, 29, 72, 0.12);
  --green: #16a34a;
  --radius: 14px;
  --wrap: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }

/* --- top bar --------------------------------------------------------- */

header {
  position: sticky;
  top: 0;
  z-index: 10;
  /* Opaque, not translucent. This used to be rgba(...,0.86) over a
   * backdrop-filter: blur(10px), which makes the browser re-blur everything
   * behind the bar on every scrolled frame, across the full window width. It
   * was the scroll stutter, and on a dark page at 86% opacity nobody could
   * tell it was there. */
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.bar { display: flex; align-items: center; gap: 14px; height: 62px; }

.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -0.01em; text-decoration: none; }
.logo span { font-size: 16px; }
.mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: var(--panel-2); border: 1px solid var(--border);
  display: grid; place-items: center;
}
.mark svg { width: 16px; height: 16px; }

.bar nav { margin-left: auto; display: flex; align-items: center; gap: 20px; font-size: 14px; }
.bar nav a { color: var(--muted); text-decoration: none; }
.bar nav a:hover { color: var(--ink); }

.langs { display: flex; gap: 8px; font-size: 12px; }
.langs a { color: var(--dim); text-decoration: none; text-transform: uppercase; letter-spacing: 0.04em; }
.langs a[aria-current="true"] { color: var(--ink); font-weight: 700; }

/* --- buttons --------------------------------------------------------- */

.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 22px; border-radius: 11px;
  font-weight: 650; font-size: 15px; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: #be123c; }
.btn-ghost { border-color: var(--border); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--panel-2); }

/* --- hero ------------------------------------------------------------ */

.hero { padding-top: 56px; padding-bottom: 60px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 50px; align-items: start; }

.eyebrow {
  display: inline-block; margin-bottom: 18px; padding: 5px 12px;
  background: var(--brand-soft); color: #fb7185;
  border-radius: 999px; font-size: 12px; font-weight: 650; letter-spacing: 0.03em;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(33px, 5vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.028em;
  font-weight: 820;
}

.lede { font-size: 18px; color: var(--muted); margin: 0 0 30px; max-width: 34em; }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.cta-note { font-size: 13px; color: var(--dim); margin-top: 16px; }

.phone {
  border: 9px solid #0f1626; border-radius: 34px;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.55);
  overflow: hidden; display: block; width: 100%; height: auto;
}

/* --- sections -------------------------------------------------------- */

section { padding: 66px 0; border-top: 1px solid var(--border); }

/* The header is sticky, so an anchor jump would otherwise land with the
 * heading hidden underneath it. */
section[id] { scroll-margin-top: 74px; }

h2 {
  margin: 0 0 14px;
  font-size: clamp(25px, 3.2vw, 33px);
  letter-spacing: -0.022em;
  font-weight: 780;
}

.sub { color: var(--muted); margin: 0 0 34px; max-width: 42em; font-size: 17px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
}
.card h3 { margin: 0 0 8px; font-size: 17px; font-weight: 700; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.step { color: var(--brand); font-weight: 800; font-size: 13px; letter-spacing: 0.06em; }

/* the problem, quoted */
.quote {
  background: var(--panel); border: 1px solid var(--border);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius); padding: 26px 28px;
  font-size: 18px; line-height: 1.7; color: #cbd5e1; max-width: 46em;
}
.quote strong { color: var(--ink); }
.quote-by { margin-top: 12px; font-size: 14px; color: var(--dim); }

/* --- the change block, as the report prints it ----------------------- */

.paper {
  background: #fff; color: #0f172a;
  border-radius: 12px; padding: 26px 28px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  font-size: 15px;
}
.paper-band { height: 7px; background: var(--brand); border-radius: 3px; margin-bottom: 20px; }
.paper h4 {
  margin: 0 0 4px; font-size: 12px; letter-spacing: 0.08em;
  color: #475569; font-weight: 800;
}
.paper .verdict {
  display: inline-block; margin-left: 8px; color: var(--brand); font-weight: 800;
}
.paper .since { color: #64748b; font-size: 13px; margin: 6px 0 12px; }
.paper ul { margin: 0; padding-left: 18px; }
.paper li { margin-bottom: 5px; }
.paper .caveat {
  margin-top: 14px; padding-top: 12px; border-top: 1px solid #e2e8f0;
  color: var(--brand); font-size: 12.5px; line-height: 1.5;
}
.paper-cap { margin-top: 14px; font-size: 13px; color: var(--dim); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }

/* --- trust ----------------------------------------------------------- */

.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 13px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; color: #cbd5e1; font-size: 15.5px; }
.checks svg { flex: none; width: 19px; height: 19px; margin-top: 2px; color: var(--green); }

/* --- pricing --------------------------------------------------------- */

.prices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.price { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.price.featured { border-color: var(--brand); }
.price .tier { font-size: 13px; letter-spacing: 0.06em; color: var(--muted); font-weight: 700; text-transform: uppercase; }
.price .amount { font-size: 34px; font-weight: 820; margin: 10px 0 2px; letter-spacing: -0.02em; }
.price .per { color: var(--dim); font-size: 13px; }
.price ul { list-style: none; margin: 18px 0 0; padding: 0; }
.price li { color: var(--muted); font-size: 14.5px; padding: 5px 0; }

/* --- footer ---------------------------------------------------------- */

footer { border-top: 1px solid var(--border); padding: 40px 0 56px; color: var(--dim); font-size: 14px; }
.foot-grid { display: flex; flex-wrap: wrap; gap: 30px; justify-content: space-between; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--ink); }
.foot-links { display: grid; gap: 7px; }

/* --- narrow ---------------------------------------------------------- */

@media (max-width: 860px) {
  .hero-grid, .split { grid-template-columns: 1fr; gap: 30px; }
  .cards, .prices { grid-template-columns: 1fr; }
  /* Direct children only: the section links go, the language switcher stays.
   * A French visitor on a phone otherwise has no way to reach /fr/. */
  .bar nav > a:not(.btn) { display: none; }
  .hero { padding-top: 34px; padding-bottom: 40px; }
  section { padding: 46px 0; }

  h1 { font-size: 31px; }
  .lede { font-size: 16.5px; }

  /* The hero already carries this button; up here it only crowds the logo. */
  .bar nav .btn { display: none; }
  .langs { gap: 10px; }

  /* A screenshot that fills the whole viewport reads as the app itself
   * rather than as a picture of it. Show enough to recognise, not enough to
   * be mistaken for the product. */
  .phone { max-height: 46vh; width: auto; margin: 0 auto; }

  .cta-row .btn { flex: 1 1 auto; justify-content: center; }
}