/* Featherdown — landing page
   Editorial dark theme. Sky-blue accent + feather-tan, drawn from the app icon.
   Fraunces (display serif) · Hanken Grotesk (body) · JetBrains Mono (labels). */

:root {
  --bg:        #0a0d13;
  --bg-2:      #0d111a;
  --surface:   #12172130;
  --card:      #131924;
  --card-2:    #161d29;
  --ink:       #eef2f8;
  --ink-soft:  #c3ccdb;
  --muted:     #8a95a8;
  --faint:     #5b6577;
  --line:      rgba(255,255,255,.09);
  --line-2:    rgba(255,255,255,.055);
  --sky:       #58a8ec;
  --sky-bright:#7cc0ff;
  --tan:       #d8b78a;
  --tan-soft:  #e7d1af;
  --good:      #5fcf9e;
  --radius:    18px;
  --wrap:      1120px;
  --shadow:    0 30px 70px -30px rgba(0,0,0,.75), 0 8px 24px -12px rgba(0,0,0,.6);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hanken Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ambient background wash */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(88,168,236,.16), transparent 60%),
    radial-gradient(900px 560px at 8% 6%, rgba(216,183,138,.07), transparent 55%),
    linear-gradient(var(--bg), var(--bg-2));
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

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

h1, h2, h3 {
  font-family: "Fraunces", Georgia, "Times New Roman", serif;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.04;
  margin: 0;
}

.eyebrow {
  font-family: "JetBrains Mono", ui-monospace, Menlo, monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sky);
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.eyebrow::before {
  content: "";
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--sky);
  box-shadow: 0 0 0 4px rgba(88,168,236,.16);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 15px;
  padding: 13px 22px; border-radius: 12px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(180deg, var(--sky-bright), var(--sky));
  color: #06121f;
  box-shadow: 0 12px 30px -12px rgba(88,168,236,.7);
}
.btn-primary:hover { box-shadow: 0 16px 38px -12px rgba(88,168,236,.85); }
.btn-primary .sub { font-weight: 600; opacity: .72; font-size: 13px; }
.btn-ghost {
  background: rgba(255,255,255,.04);
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { background: rgba(255,255,255,.07); }
.btn-sm { padding: 9px 16px; font-size: 14px; border-radius: 10px; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,13,19,.72);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line-2);
}
.topbar .inner {
  max-width: var(--wrap); margin: 0 auto; padding: 11px 24px;
  display: flex; align-items: center; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 7px; }
.brand .v { color: var(--faint); font-weight: 600; font-size: 13px; font-family: "JetBrains Mono", monospace; }
.topbar .price { margin-left: auto; color: var(--muted); font-size: 14px; font-weight: 600; }
.topbar .price b { color: var(--ink); }

/* ---------- hero ---------- */
.hero { padding: 74px 0 40px; }
.hero .wrap {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center;
}
/* grid/flex children must be allowed to shrink below their content's intrinsic
   width, or a wide image blows the layout out horizontally on narrow screens. */
.hero .wrap > *, .ql > *, .modes-grid > *, .feat-grid > * { min-width: 0; }
.hero h1 { font-size: clamp(2.5rem, 5.4vw, 4.15rem); margin: 20px 0 0; overflow-wrap: break-word; }
.hero h1 .grad {
  background: linear-gradient(120deg, var(--sky-bright), var(--tan-soft));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-style: italic;
}
.lede { color: var(--ink-soft); font-size: 1.24rem; line-height: 1.55; margin: 22px 0 0; max-width: 33ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 30px; }
.proof {
  display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 26px;
  color: var(--muted); font-size: 14px;
}
.proof span { display: inline-flex; align-items: center; gap: 7px; }
.proof .ok { color: var(--good); font-weight: 800; }
.byline { color: var(--faint); font-size: 13.5px; margin-top: 26px; }

/* hero shot */
.shot-frame {
  position: relative; border-radius: var(--radius);
  filter: drop-shadow(0 40px 60px rgba(0,0,0,.6));
}
.shot-frame img { display: block; width: 100%; height: auto; border-radius: 14px; }
.hero-shot { position: relative; }
.hero-shot .badge {
  position: absolute; left: 50%; transform: translateX(-50%);
  bottom: -16px; white-space: nowrap;
  background: var(--card-2); border: 1px solid var(--line);
  color: var(--ink-soft); font-size: 12.5px; font-weight: 600;
  padding: 8px 15px; border-radius: 999px;
  box-shadow: var(--shadow);
  font-family: "JetBrains Mono", monospace; letter-spacing: .02em;
}
.hero-shot .badge b { color: var(--sky-bright); }

/* ---------- section scaffolding ---------- */
section.band { padding: 60px 0; }
.section-head { max-width: 640px; }
.section-head h2 { font-size: clamp(2rem, 3.7vw, 2.85rem); margin-top: 14px; }
.section-head p { color: var(--muted); font-size: 1.12rem; margin: 16px 0 0; }

.rule { height: 1px; background: var(--line-2); border: 0; margin: 0; }

/* ---------- quicklook feature ---------- */
.ql {
  display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center;
  margin-top: 30px;
}
.ql .copy h2 { font-size: clamp(2rem, 3.7vw, 2.85rem); margin-top: 14px; }
.ql .copy p { color: var(--ink-soft); margin: 18px 0 0; }
.kbd {
  font-family: "JetBrains Mono", monospace; font-size: .92em; font-weight: 600;
  background: #1c2432; border: 1px solid var(--line); border-bottom-width: 2px;
  border-radius: 7px; padding: 2px 9px; color: var(--tan-soft);
}
.ql-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 13px; }
.ql-list li { display: flex; gap: 12px; color: var(--ink-soft); font-size: 15.5px; }
.ql-list .m { color: var(--sky); font-weight: 800; flex: none; }

/* ---------- modes (two shots) ---------- */
.modes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 36px; }
.mode-card {
  background: linear-gradient(180deg, var(--card), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 26px 0; overflow: hidden;
}
.mode-card h3 { font-size: 1.4rem; }
.mode-card .tag { color: var(--tan); font-family: "JetBrains Mono", monospace; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; }
.mode-card p { color: var(--muted); font-size: 15px; margin: 12px 0 22px; }
.mode-card .shot { display: block; width: 100%; height: auto; border-radius: 12px 12px 0 0;
  border: 1px solid var(--line); border-bottom: 0; box-shadow: 0 -2px 40px rgba(0,0,0,.3); }

/* ---------- feature grid ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
.feat {
  background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
  padding: 24px;
}
.feat .ico {
  font-family: "JetBrains Mono", monospace; font-size: 11.5px; letter-spacing: .12em;
  color: var(--sky); text-transform: uppercase; margin-bottom: 12px;
}
.feat h3 { font-size: 1.2rem; font-family: "Hanken Grotesk", sans-serif; font-weight: 700; letter-spacing: -0.01em; }
.feat p { color: var(--muted); font-size: 14.5px; margin: 9px 0 0; }
.feat code { font-family: "JetBrains Mono", monospace; font-size: .86em; color: var(--tan-soft); background: rgba(255,255,255,.05); padding: 1px 5px; border-radius: 5px; }

/* ---------- comparison ---------- */
.compare { margin-top: 36px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.compare-scroll { overflow-x: auto; }
table.cmp { width: 100%; border-collapse: collapse; min-width: 560px; }
table.cmp th, table.cmp td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--line-2); font-size: 15px; }
table.cmp thead th { background: var(--card); font-family: "JetBrains Mono", monospace; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
table.cmp tbody td { color: var(--ink-soft); }
table.cmp td.feather { color: var(--ink); font-weight: 700; }
table.cmp .col-feather { background: rgba(88,168,236,.07); }
table.cmp tr:last-child td { border-bottom: 0; }
table.cmp .yes { color: var(--good); font-weight: 800; }
table.cmp .no { color: var(--faint); }

/* ---------- trust ---------- */
.trust { margin-top: 34px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 30px; }
.trust ul { list-style: none; margin: 0; padding: 0; }
.trust li { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line-2); align-items: baseline; }
.trust li:last-child { border-bottom: 0; }
.trust .mk { font-family: "JetBrains Mono", monospace; font-size: 12px; color: var(--sky); flex: none; width: 68px; letter-spacing: .04em; }
.trust .t { color: var(--muted); font-size: 15.5px; }
.trust .t b { color: var(--ink); font-weight: 700; }

/* ---------- FAQ ---------- */
.faq { margin-top: 30px; display: grid; gap: 12px; }
.faq details {
  background: var(--surface); border: 1px solid var(--line); border-radius: 13px;
  padding: 4px 22px;
}
.faq summary {
  cursor: pointer; padding: 17px 0; font-weight: 600; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--sky); font-size: 1.4rem; font-weight: 400; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); margin: 0 0 18px; font-size: 15.5px; }

/* ---------- final buy ---------- */
.penthouse {
  margin-top: 40px; text-align: center;
  background:
    radial-gradient(700px 300px at 50% 0%, rgba(88,168,236,.16), transparent 65%),
    linear-gradient(180deg, var(--card), var(--bg-2));
  border: 1px solid var(--line); border-radius: 26px;
  padding: 62px 30px;
}
.penthouse h2 { font-size: clamp(2.1rem, 4.2vw, 3.1rem); margin-top: 16px; }
.penthouse p { color: var(--ink-soft); max-width: 44ch; margin: 20px auto 0; }
.penthouse .cta-row { justify-content: center; }
.penthouse .micro { color: var(--faint); font-size: 13px; margin-top: 26px; font-family: "JetBrains Mono", monospace; }

/* ---------- footer ---------- */
footer.site { border-top: 1px solid var(--line-2); margin-top: 70px; padding: 40px 24px; }
footer.site .inner { max-width: var(--wrap); margin: 0 auto; display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }
footer.site .links { display: flex; flex-wrap: wrap; gap: 20px; }
footer.site a { color: var(--muted); font-size: 14px; }
footer.site a:hover { color: var(--ink); }
footer.site .copy { margin-left: auto; color: var(--faint); font-size: 13px; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .hero-shot { max-width: 460px; margin: 0 auto; }
  .ql { grid-template-columns: 1fr; gap: 30px; }
  .ql .shot-frame { order: -1; }
  .modes-grid { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero { padding: 48px 0 30px; }
  .hero h1 { font-size: 2rem; }
  .lede { font-size: 1.12rem; max-width: none; }
  .topbar .price { display: none; }
  .topbar .brand .v { display: none; }
  footer.site .copy { margin-left: 0; width: 100%; }
}