/* ==========================================================================
   FoldRadar — visual system
   Signature: the fold seam. Two screens (warm amber + cool violet) meeting at
   a hinge. That duotone + seam motif runs through hero, animation and quiz.
   ========================================================================== */
/* Self-hosted fonts — no external requests, no FOUC, GDPR-clean */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/Inter-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/Inter-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/fonts/Inter-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/SpaceGrotesk-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/fonts/SpaceGrotesk-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/SpaceGrotesk-700.woff2') format('woff2');
}


:root {
  /* fold duotone */
  --amber: #ff7a1a;
  --amber-soft: #ffb37a;
  --violet: #8b7bff;
  --violet-deep: #6c5cff;

  /* light theme surfaces */
  --bg: #f4f5f8;
  --bg-soft: #ffffff;
  --card: #ffffff;
  --text: #14161d;
  --muted: #5c6472;
  --border: #e3e6ee;
  --shadow: 0 1px 2px rgba(16,18,26,.05), 0 8px 24px rgba(16,18,26,.06);

  /* fixed dark ink for hero/quiz bands (theme-independent) */
  --ink: #0a0b12;
  --ink-2: #12141f;
  --ink-3: #1b1e2c;
  --ink-line: #272b3b;
  --ink-text: #eef0f8;
  --ink-muted: #9aa2b6;

  --display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max: 1000px;
  --measure: 720px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0e15;
    --bg-soft: #14161f;
    --card: #161925;
    --text: #eceef4;
    --muted: #9aa2b4;
    --border: #262a38;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.35);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, .logo, .badge, .btn { font-family: var(--display); }

/* ---------- header ---------- */
header.site {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav {
  max-width: var(--max); margin: 0 auto; padding: 0.7rem 1.2rem;
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
}
.logo { font-weight: 700; font-size: 1.2rem; text-decoration: none; color: var(--text); letter-spacing: -0.03em; }
.logo span { color: var(--amber); }
.nav a { color: var(--muted); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color .15s; }
.nav a:hover { color: var(--text); }
.nav a.navquiz { color: var(--amber); }
.nav .lang { margin-left: auto; font-size: 0.8rem; border: 1px solid var(--border); padding: 0.2rem 0.65rem; border-radius: 999px; }

main { max-width: var(--max); margin: 0 auto; padding: 2rem 1.2rem 3rem; }
main > * { max-width: var(--measure); }
main > .grid, main > .hero, main > .quizband, main > table, main > .brandrail { max-width: 100%; }

h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.05; letter-spacing: -0.035em; margin: 0.6rem 0 0.5rem; font-weight: 700; }
h2 { font-size: clamp(1.35rem, 3vw, 1.7rem); letter-spacing: -0.02em; margin-top: 2.4rem; font-weight: 600; }
h3 { font-size: 1.12rem; margin-top: 1.6rem; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0.8rem 0; }
a { color: var(--amber); text-decoration-thickness: 1px; text-underline-offset: 2px; }
.updated { color: var(--muted); font-size: 0.85rem; font-family: var(--body); }
.lead { font-size: 1.15rem; color: var(--text); }

/* eyebrow */
.badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--amber); background: color-mix(in srgb, var(--amber) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--amber) 35%, transparent);
  border-radius: 999px; padding: 0.3rem 0.8rem;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 3px color-mix(in srgb, var(--amber) 30%, transparent); }

/* ==========================================================================
   HERO — dark band, copy left, folding phone right, seam down the middle
   ========================================================================== */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(139,123,255,.20), transparent 55%),
    radial-gradient(120% 90% at 6% 92%, rgba(255,122,26,.20), transparent 55%),
    linear-gradient(180deg, var(--ink), var(--ink-2));
  color: var(--ink-text);
  border: 1px solid var(--ink-line);
  border-radius: 24px;
  margin: 0.5rem 0 1.4rem;
  padding: clamp(1.6rem, 4vw, 3rem);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 2rem; align-items: center; }
.hero h1 { color: var(--ink-text); }
.hero .lead { color: var(--ink-muted); max-width: 34ch; }
.hero .seamprice { color: var(--amber-soft); font-weight: 600; }
.hero-cta { display: flex; gap: 0.7rem; flex-wrap: wrap; margin-top: 1.3rem; }

.btn {
  display: inline-flex; align-items: center; gap: 0.5rem; justify-content: center;
  border: 0; cursor: pointer; text-decoration: none;
  font-family: var(--display); font-weight: 600; font-size: 0.98rem;
  padding: 0.7rem 1.4rem; border-radius: 12px;
  background: linear-gradient(135deg, var(--amber), #ff5a1a);
  color: #fff !important; box-shadow: 0 6px 20px rgba(255,90,26,.35);
  transition: transform .12s ease, box-shadow .12s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(255,90,26,.45); }
.btn.ghost {
  background: transparent; color: var(--ink-text) !important;
  border: 1px solid var(--ink-line); box-shadow: none;
}
.btn.ghost:hover { background: rgba(255,255,255,.06); border-color: #3a3f52; }

/* ---------- folding phone (interactive, book-style, ONE continuous screen) ----
   --fold lives on .foldstage: 0 = fully closed, 1 = fully open. JS drives it
   from the slider / toggle; CSS maps it to the hinge rotation + shadow.        */
.foldstage {
  --fold: 1;
  display: flex; flex-direction: column; align-items: center; gap: 1.1rem;
  min-height: 340px; position: relative;
}
.foldview {
  position: relative; width: 100%; min-height: 268px;
  display: flex; align-items: center; justify-content: center;
  perspective: 1600px; perspective-origin: 50% 42%;
}
.foldphone {
  position: relative; display: flex; transform-style: preserve-3d;
  transform: rotateX(6deg) rotateY(-16deg);
}
.leaf { flex: 0 0 auto; width: 132px; height: 250px; position: relative; transform-style: preserve-3d; }
.leaf .face {
  position: absolute; inset: 0; border-radius: 10px;
  background: #0b0d14; border: 3px solid #21273a;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.04);
  backface-visibility: hidden; overflow: hidden;
}
/* ONE wallpaper: identical vertical gradient on both halves, so the open device
   reads as a single continuous screen (same colours left and right of the hinge) */
.leaf .screen {
  position: absolute; inset: 5px; border-radius: 7px; overflow: hidden;
  background: linear-gradient(178deg, #ff7a1a 0%, #a85bd6 52%, #6c5cff 100%);
}
.leaf-left .face { border-radius: 16px 5px 5px 16px; }
.leaf-right { transform-origin: left center; transform: rotateY(calc((var(--fold) - 1) * 170deg)); transition: transform .32s cubic-bezier(.5,0,.2,1); }
.leaf-right .face-front { border-radius: 5px 16px 16px 5px; }
.leaf-right .face-back {
  position: absolute; inset: 0; border-radius: 5px 16px 16px 5px;
  transform: rotateY(180deg); backface-visibility: hidden;
  background: linear-gradient(135deg, #191d29, #0b0d14); border: 3px solid #21273a;
}
.leaf-right .face-back::after { /* rear camera cluster */
  content: ""; position: absolute; top: 14px; right: 14px;
  width: 30px; height: 30px; border-radius: 9px;
  background: radial-gradient(circle at 32% 32%, #3a3f55, #12141c);
  box-shadow: inset 0 0 0 2px #2a2f42;
}
.leaf .screen::before { /* punch-hole camera */
  content: ""; position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 6px; height: 6px; border-radius: 50%; background: rgba(0,0,0,.5); z-index: 2;
}
.leaf .screen::after { /* glass sheen */
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(118deg, rgba(255,255,255,.30) 0%, transparent 38%);
  mix-blend-mode: screen;
}
.foldshadow {
  position: absolute; bottom: 6px; left: 50%; width: 200px; height: 24px;
  border-radius: 50%; background: radial-gradient(ellipse, rgba(0,0,0,.55), transparent 70%);
  filter: blur(7px); z-index: -1;
  transform: translateX(-50%) scaleX(calc(.55 + var(--fold) * .45));
  opacity: calc(.2 + var(--fold) * .2);
  transition: transform .32s cubic-bezier(.5,0,.2,1), opacity .32s ease;
}
/* while dragging the slider, kill the transition so the phone tracks the thumb 1:1 */
.foldstage.dragging .leaf-right, .foldstage.dragging .foldshadow { transition: none; }

/* controls */
.foldctrl { display: flex; align-items: center; gap: .8rem; width: 100%; max-width: 290px; }
.foldtoggle {
  font-family: var(--display); font-weight: 600; font-size: .84rem; white-space: nowrap;
  background: rgba(255,255,255,.06); color: var(--ink-text);
  border: 1px solid var(--ink-line); border-radius: 10px; padding: .48rem .85rem; cursor: pointer;
  transition: background .14s, border-color .14s;
}
.foldtoggle:hover { background: rgba(255,255,255,.12); border-color: #3a3f52; }
.foldrange { flex: 1; accent-color: var(--amber); cursor: pointer; height: 6px; }
.foldhint { font-size: .72rem; color: var(--ink-muted); margin: -.3rem 0 0; letter-spacing: .02em; }

/* ---------- brand rail ---------- */
.brandrail {
  display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap;
  margin-top: 1.8rem; padding-top: 1.4rem; border-top: 1px solid var(--ink-line);
}
.brandrail .rail-label {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--ink-muted); margin-right: 0.4rem;
}
.brandchip {
  display: inline-flex; align-items: center; gap: 0.45rem;
  height: 38px; padding: 0 0.85rem; border-radius: 10px;
  background: rgba(255,255,255,.04); border: 1px solid var(--ink-line);
  color: var(--ink-text); font-weight: 600; font-size: 0.9rem; letter-spacing: 0.01em;
  opacity: .72; transition: opacity .15s, transform .15s, border-color .15s;
}
.brandchip:hover { opacity: 1; transform: translateY(-1px); border-color: #3a3f52; }
.brandchip svg { width: 18px; height: 18px; fill: currentColor; }
.brandchip.lead-apple { opacity: 1; border-color: color-mix(in srgb, var(--amber) 45%, var(--ink-line)); }

/* ==========================================================================
   QUIZ BAND — promoted, full width, duotone
   ========================================================================== */
.quizband {
  position: relative; overflow: hidden; margin: 1.6rem 0 0.5rem;
  border-radius: 20px; padding: clamp(1.4rem, 3vw, 2.2rem);
  background: linear-gradient(120deg, rgba(255,122,26,.14), rgba(139,123,255,.14)), var(--ink-2);
  border: 1px solid var(--ink-line); color: var(--ink-text);
  display: flex; align-items: center; justify-content: space-between; gap: 1.4rem; flex-wrap: wrap;
}
.quizband::before {
  content: ""; position: absolute; top: 0; bottom: 0; left: 50%; width: 200%;
  background: radial-gradient(60% 120% at 50% 0%, rgba(255,255,255,.06), transparent 60%);
  transform: translateX(-50%); pointer-events: none;
}
.quizband .qb-copy { position: relative; }
.quizband .qb-eyebrow { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--amber-soft); font-weight: 600; }
.quizband h2 { margin: 0.3rem 0 0.2rem; color: var(--ink-text); }
.quizband p { margin: 0; color: var(--ink-muted); }
.quizband .btn { position: relative; flex-shrink: 0; }

/* ==========================================================================
   Cards
   ========================================================================== */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; margin: 1.6rem 0; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 1.2rem 1.3rem; box-shadow: var(--shadow);
  transition: transform .14s ease, border-color .14s ease;
}
.card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--amber) 40%, var(--border)); }
.card h3 { margin: 0 0 0.4rem; }
.card h3 a { color: var(--text); text-decoration: none; }
.card p { margin: 0.3rem 0 0.7rem; font-size: 0.93rem; color: var(--muted); }
.card a.more { font-size: 0.9rem; font-weight: 600; font-family: var(--display); text-decoration: none; }
.card.feature { background: linear-gradient(135deg, color-mix(in srgb, var(--amber) 8%, var(--card)), var(--card)); border-color: color-mix(in srgb, var(--amber) 35%, var(--border)); }

/* ==========================================================================
   Content elements
   ========================================================================== */
.tldr {
  background: color-mix(in srgb, var(--amber) 8%, var(--bg-soft));
  border: 1px solid color-mix(in srgb, var(--amber) 30%, var(--border));
  border-left: 3px solid var(--amber);
  border-radius: 12px; padding: 1rem 1.2rem; margin: 1.3rem 0; font-size: 0.98rem;
}
.tldr strong { color: var(--amber); }

table { border-collapse: collapse; width: 100%; margin: 1.3rem 0; font-size: 0.94rem; display: block; overflow-x: auto; border-radius: 12px; }
th, td { border: 1px solid var(--border); padding: 0.6rem 0.85rem; text-align: left; vertical-align: top; }
th { background: var(--bg-soft); font-family: var(--display); font-weight: 600; }
tr:nth-child(even) td { background: color-mix(in srgb, var(--bg-soft) 60%, transparent); }

.buy {
  display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap;
  font-size: 0.92rem; margin: 0.6rem 0 0.2rem;
}
.buylink {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: color-mix(in srgb, var(--amber) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--amber) 40%, var(--border));
  color: var(--amber); font-weight: 600; text-decoration: none;
  padding: 0.4rem 0.9rem; border-radius: 10px; font-size: 0.9rem;
  transition: background .14s;
}
.buylink:hover { background: color-mix(in srgb, var(--amber) 20%, transparent); }
.brandtag { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 600; color: var(--muted); font-size: 0.85rem; }
.brandtag svg { width: 15px; height: 15px; fill: currentColor; }

/* product photo figures — drop-in slots for licensed Amazon images */
.device-photo {
  margin: 1rem 0; border: 1px solid var(--border); border-radius: 14px;
  overflow: hidden; background: var(--bg-soft);
}
.device-photo img {
  display: block; width: 100%; height: auto; aspect-ratio: 3 / 2;
  object-fit: contain; background: #fff;
}
.device-photo figcaption {
  font-size: 0.76rem; color: var(--muted); padding: 0.5rem 0.8rem;
  border-top: 1px solid var(--border);
}
.device-photo.hero-photo { max-width: 320px; margin-inline: auto; }

.notify {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 16px;
  padding: 1.4rem 1.5rem; margin: 2rem 0; box-shadow: var(--shadow);
}
.notify h2 { margin-top: 0; }
.notify form { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 0.9rem; }
.notify input[type="email"] {
  flex: 1 1 220px; padding: 0.7rem 0.95rem; border-radius: 11px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 1rem; font-family: var(--body);
}
.notify input[type="email"]:focus { outline: 2px solid var(--amber); outline-offset: 1px; border-color: var(--amber); }

.faq details { border-bottom: 1px solid var(--border); padding: 0.7rem 0; }
.faq summary { font-weight: 600; cursor: pointer; font-family: var(--display); }
.faq summary:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 4px; }
.faq p { color: var(--muted); font-size: 0.95rem; }

.disclosure { font-size: 0.8rem; color: var(--muted); border-top: 1px dashed var(--border); margin-top: 2.4rem; padding-top: 0.9rem; }

/* homepage news strip */
.newsstrip {
  border: 1px solid var(--border); border-radius: 16px; background: var(--bg-soft);
  padding: 1rem 1.3rem; margin: 1.4rem 0; box-shadow: var(--shadow);
}
.newsstrip .ns-head { display: flex; align-items: baseline; gap: 0.8rem; flex-wrap: wrap; }
.newsstrip .ns-eyebrow {
  font-family: var(--display); font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--amber); margin: 0;
}
.newsstrip .ns-all { margin-left: auto; font-size: 0.85rem; font-weight: 600; text-decoration: none; }
.newsstrip ul { list-style: none; margin: 0.5rem 0 0; padding: 0; }
.newsstrip li { padding: 0.45rem 0; border-bottom: 1px solid var(--border); line-height: 1.4; }
.newsstrip li:last-child { border-bottom: 0; }
.newsstrip a.ns-item { color: var(--text); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.newsstrip a.ns-item:hover { color: var(--amber); }
.newsstrip .feedmeta { font-size: 0.76rem; color: var(--muted); margin-left: 0.5rem; }

/* news feed */
.feedlist { list-style: none; padding: 0; margin: 1rem 0; }
.feedlist li { padding: 0.65rem 0; border-bottom: 1px solid var(--border); line-height: 1.45; }
.feedlist a { color: var(--text); text-decoration: none; font-weight: 500; }
.feedlist a:hover { color: var(--amber); }
.feedlist .feedmeta { display: block; font-size: 0.78rem; color: var(--muted); margin-top: 0.15rem; }
.crumbs { font-size: 0.82rem; color: var(--muted); margin-top: 0.4rem; }
.crumbs a { color: var(--muted); }

footer.site { border-top: 1px solid var(--border); margin-top: 2.6rem; background: var(--bg-soft); }
footer.site .inner { max-width: var(--max); margin: 0 auto; padding: 1.8rem 1.2rem; font-size: 0.85rem; color: var(--muted); }
footer.site a { color: var(--muted); }

/* ==========================================================================
   Quiz page
   ========================================================================== */
.quiz fieldset { border: 1px solid var(--border); border-radius: 14px; padding: 1rem 1.2rem; margin: 1.1rem 0; background: var(--bg-soft); }
.quiz legend { font-weight: 600; padding: 0 0.4rem; font-family: var(--display); }
.quiz label {
  display: block; padding: 0.6rem 0.85rem; border: 1px solid var(--border);
  border-radius: 11px; margin: 0.45rem 0; cursor: pointer; font-size: 0.97rem; transition: border-color .12s, background .12s;
}
.quiz label:hover { border-color: var(--amber); background: color-mix(in srgb, var(--amber) 6%, transparent); }
.quiz label:has(input:checked) { border-color: var(--amber); background: color-mix(in srgb, var(--amber) 10%, transparent); }
.quiz input[type="radio"] { accent-color: var(--amber); margin-right: 0.55rem; }
.quiz .result {
  display: none; border: 1px solid color-mix(in srgb, var(--amber) 40%, var(--border));
  border-radius: 16px; padding: 1.4rem 1.5rem; margin-top: 1.6rem;
  background: linear-gradient(135deg, color-mix(in srgb, var(--amber) 10%, var(--bg-soft)), color-mix(in srgb, var(--violet) 8%, var(--bg-soft)));
  box-shadow: var(--shadow);
}
.quiz .result h2 { margin-top: 0; }
.quiz .error { color: var(--amber); font-weight: 600; display: none; }

/* ==========================================================================
   Motion / accessibility
   ========================================================================== */
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  .leaf-right, .foldshadow { transition: none; }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 720px) {
  .hero-grid { grid-template-columns: 1fr; }
  .foldstage { min-height: 300px; order: -1; }
  .quizband { flex-direction: column; align-items: flex-start; }
  .quizband .btn { width: 100%; }
}