/* ============================================================
   quenzio — "night signal" design system
   dark slate base · violet→cyan signal gradient · Sora/Inter/JetBrains Mono
   ============================================================ */

:root {
  --bg: #0b0e15;
  --bg-2: #0e121b;
  --panel: #121722;
  --panel-2: #151b29;
  --line: #212a3c;
  --line-soft: #1a2231;
  --ink: #edf0f7;
  --muted: #99a2b8;
  --faint: #6b7590;
  --vio: #7c6cff;
  --cy: #45dbc4;
  --grad: linear-gradient(120deg, #7c6cff 0%, #45dbc4 100%);
  --radius: 18px;
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(124, 108, 255, .35); }

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

.qz-sr {
  position: absolute; width: 1px; height: 1px;
  clip: rect(0 0 0 0); clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}

.qz-shell { width: min(1180px, 100% - 48px); margin-inline: auto; }
.qz-shell-narrow { width: min(820px, 100% - 48px); }

/* ---------------- reveal animation ---------------- */
.rv { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.3,1); }
.rv.is-in { opacity: 1; transform: none; }
html.no-js .rv { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------------- shared bits ---------------- */
.qz-pulse {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--cy); margin-right: 10px; flex: none;
  box-shadow: 0 0 0 0 rgba(69, 219, 196, .5);
  animation: qz-pulse 2.6s ease-out infinite;
}
@keyframes qz-pulse {
  0% { box-shadow: 0 0 0 0 rgba(69, 219, 196, .45); }
  70% { box-shadow: 0 0 0 9px rgba(69, 219, 196, 0); }
  100% { box-shadow: 0 0 0 0 rgba(69, 219, 196, 0); }
}
@media (prefers-reduced-motion: reduce) { .qz-pulse { animation: none; } }

.qz-eyebrow {
  display: flex; align-items: center;
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--cy);
  margin-bottom: 22px;
}

.qz-h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.1rem, 4.6vw, 3.55rem); line-height: 1.12;
  letter-spacing: -.02em; margin-bottom: 26px;
}
.qz-h1-pre, .qz-h1-post { display: block; }
.qz-h1-post { color: var(--muted); font-weight: 500; font-size: .62em; margin-top: 10px; letter-spacing: 0; }
.qz-h1-mark {
  display: inline-block;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

.qz-h2 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.55rem, 3vw, 2.3rem); line-height: 1.2;
  letter-spacing: -.015em; margin-bottom: 18px;
}

.qz-lead { font-size: 1.075rem; color: var(--muted); max-width: 62ch; }

.qz-btn {
  display: inline-flex; align-items: center; gap: 12px;
  font-weight: 600; font-size: .98rem;
  padding: 15px 26px; border-radius: 999px;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
}
.qz-btn-arr { transition: transform .25s ease; }
.qz-btn:hover .qz-btn-arr { transform: translateX(4px); }
.qz-btn-glow {
  background: var(--grad); color: #0b0e15;
  box-shadow: 0 8px 30px -8px rgba(124, 108, 255, .55);
}
.qz-btn-glow:hover { transform: translateY(-2px); box-shadow: 0 14px 38px -8px rgba(69, 219, 196, .5); }
.qz-btn-line { border: 1px solid var(--line); color: var(--ink); background: rgba(18, 23, 34, .5); }
.qz-btn-line:hover { border-color: var(--vio); background: rgba(124, 108, 255, .08); }
.qz-btn-lg { padding: 18px 34px; font-size: 1.05rem; }
.qz-btn-block { width: 100%; justify-content: center; }

/* ---------------- language banner ---------------- */
.qz-langbar {
  position: fixed; inset: auto 0 0 0; z-index: 90;
  display: flex; align-items: center; justify-content: center; gap: 16px;
  padding: 12px 20px;
  background: rgba(14, 18, 27, .92); backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  font-size: .9rem;
}
.qz-langbar-go { color: var(--cy); font-weight: 600; border-bottom: 1px solid transparent; }
.qz-langbar-go:hover { border-color: var(--cy); }
.qz-langbar-x { font-size: 1.2rem; color: var(--muted); padding: 0 6px; }
.qz-langbar-x:hover { color: var(--ink); }

/* ---------------- top bar ---------------- */
.qz-topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 80;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
  border-bottom: 1px solid transparent;
}
.qz-topbar.is-solid {
  background: rgba(11, 14, 21, .82); backdrop-filter: blur(14px);
  border-color: var(--line-soft);
}
.qz-topbar-in { display: flex; align-items: center; justify-content: space-between; height: 74px; }

.qz-logo { display: inline-flex; align-items: center; gap: 11px; }
.qz-logo-word { font-family: var(--font-display); font-weight: 700; font-size: 1.22rem; letter-spacing: -.01em; }

.qz-nav { display: flex; align-items: center; gap: 26px; }
.qz-nav > a { font-size: .95rem; font-weight: 500; color: var(--muted); transition: color .2s ease; }
.qz-nav > a:hover, .qz-nav > a.is-on { color: var(--ink); }
.qz-nav-cta {
  padding: 10px 20px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--ink) !important;
  transition: border-color .2s ease, background .2s ease;
}
.qz-nav-cta:hover { border-color: var(--vio); background: rgba(124, 108, 255, .1); }

.qz-langs { display: flex; gap: 4px; margin-left: 8px; padding-left: 18px; border-left: 1px solid var(--line); }
.qz-langs a {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em;
  padding: 5px 7px; border-radius: 7px; color: var(--muted);
  transition: color .2s ease, background .2s ease;
}
.qz-langs a:hover { color: var(--ink); background: rgba(124, 108, 255, .12); }
.qz-langs a.is-on { color: var(--cy); background: rgba(69, 219, 196, .1); }

.qz-burger { display: none; }

/* ---------------- hero ---------------- */
.qz-hero { position: relative; padding: 170px 0 90px; overflow: hidden; }
.qz-hero-fx { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.qz-hero-glow {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(640px 420px at 78% 18%, rgba(124, 108, 255, .16), transparent 65%),
    radial-gradient(520px 380px at 12% 78%, rgba(69, 219, 196, .09), transparent 65%);
}
.qz-hero-grid {
  position: relative;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center;
}

.qz-answer {
  position: relative; margin: 6px 0 24px; padding: 18px 20px 18px 22px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  max-width: 60ch;
}
.qz-answer::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 3px;
  border-radius: 14px 0 0 14px; background: var(--grad);
}
.qz-answer-tag {
  display: block; font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .14em; text-transform: uppercase; color: var(--vio); margin-bottom: 8px;
}
.qz-answer p { font-size: .96rem; color: var(--ink); }

.qz-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 44px; }

.qz-stats {
  display: grid; grid-template-columns: repeat(4, auto); gap: 36px;
  border-top: 1px solid var(--line-soft); padding-top: 26px; max-width: 640px;
}
.qz-stat dd {
  font-family: var(--font-display); font-weight: 700; font-size: 1.65rem;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.qz-stat dt { font-size: .82rem; color: var(--muted); margin-top: 2px; }

/* hero visual: signal card */
.qz-hero-visual { position: relative; }
.qz-signal {
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line); border-radius: 22px;
  padding: 22px;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .7), 0 0 0 1px rgba(124, 108, 255, .06);
  transform: rotate(.6deg);
}
.qz-signal-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 16px; }
.qz-signal-brand { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.qz-signal-week { font-family: var(--font-mono); font-size: 11.5px; color: var(--cy); letter-spacing: .1em; text-transform: uppercase; }
.qz-signal-chart { background: rgba(11, 14, 21, .6); border: 1px solid var(--line-soft); border-radius: 14px; padding: 14px 14px 10px; margin-bottom: 14px; }
.qz-signal-chart small { display: block; margin-top: 6px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .08em; color: var(--muted); }
.qz-spark { stroke-dasharray: 600; stroke-dashoffset: 600; animation: qz-draw 2.4s ease forwards .4s; }
.qz-spark-fill { opacity: 0; animation: qz-fade 1.2s ease forwards 1.6s; }
.qz-spark-dot { opacity: 0; animation: qz-fade .5s ease forwards 2.6s; }
@keyframes qz-draw { to { stroke-dashoffset: 0; } }
@keyframes qz-fade { to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .qz-spark { stroke-dashoffset: 0; animation: none; }
  .qz-spark-fill, .qz-spark-dot { opacity: 1; animation: none; }
}
.qz-signal-brief { padding: 4px 6px 14px; border-bottom: 1px dashed var(--line); margin-bottom: 14px; }
.qz-signal-brief small, .qz-signal-lesson small {
  display: block; font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: .12em; text-transform: uppercase; color: var(--vio); margin-bottom: 6px;
}
.qz-signal-brief p { font-size: .92rem; color: var(--ink); }
.qz-signal-lesson { display: flex; gap: 14px; align-items: center; }
.qz-signal-lesson i {
  width: 34px; height: 34px; border-radius: 10px; flex: none;
  background: var(--grad); opacity: .9;
}
.qz-signal-lesson b { font-size: .9rem; font-weight: 600; }

.qz-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.qz-chip {
  display: flex; align-items: baseline; gap: 8px;
  background: rgba(18, 23, 34, .75); border: 1px solid var(--line);
  border-radius: 999px; padding: 8px 15px; font-size: .8rem; color: var(--muted);
  backdrop-filter: blur(6px);
}
.qz-chip b { font-family: var(--font-mono); font-weight: 500; color: var(--cy); font-size: .82rem; }

/* ---------------- keyword band ---------------- */
.qz-kwband { border-block: 1px solid var(--line-soft); background: var(--bg-2); }
.qz-kwband-in {
  display: flex; flex-wrap: wrap; gap: 10px 26px; justify-content: center;
  padding-block: 15px;
}
.qz-kwband span {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em;
  color: var(--faint); text-transform: lowercase; white-space: nowrap;
}
.qz-kwband span:first-child { color: var(--cy); }

/* ---------------- sections ---------------- */
.qz-sec { padding: 96px 0; }
.qz-sec-alt { background: var(--bg-2); border-block: 1px solid var(--line-soft); }
.qz-sec-head { max-width: 720px; margin-bottom: 54px; }
.qz-sec-lead { color: var(--muted); font-size: 1.03rem; }

/* bento */
.qz-bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.qz-bento-4 { grid-template-columns: repeat(4, 1fr); }
.qz-tile {
  position: relative; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 26px 26px;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
  overflow: hidden;
}
.qz-tile::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: var(--grad); opacity: 0; transition: opacity .3s ease;
}
.qz-tile:hover { transform: translateY(-4px); border-color: #2c3750; box-shadow: 0 22px 50px -24px rgba(0, 0, 0, .65); }
.qz-tile:hover::after { opacity: 1; }
.qz-tile-wide { grid-column: span 2; }
.qz-tile-no {
  font-family: var(--font-mono); font-size: 12px; color: var(--vio);
  display: block; margin-bottom: 16px; letter-spacing: .08em;
}
.qz-tile h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.14rem; margin-bottom: 10px; }
.qz-tile p { font-size: .93rem; color: var(--muted); }

/* agents */
.qz-agents { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.qz-agent {
  background: var(--panel); border: 1px solid var(--line); border-radius: 20px;
  padding: 30px 28px;
  transition: border-color .3s ease, transform .3s ease;
}
.qz-agent:hover { border-color: rgba(124, 108, 255, .45); transform: translateY(-3px); }
.qz-agent-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.qz-agent-role {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--cy); background: rgba(69, 219, 196, .08);
  border: 1px solid rgba(69, 219, 196, .25); border-radius: 999px; padding: 5px 12px;
}
.qz-agent-no { font-family: var(--font-mono); font-size: 12px; color: var(--faint); }
.qz-agent h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.3rem; margin-bottom: 4px; }
.qz-agent-sub { color: var(--vio); font-size: .92rem; font-weight: 500; margin-bottom: 14px; }
.qz-agent-text { font-size: .94rem; color: var(--muted); margin-bottom: 18px; }
.qz-agent-points li {
  position: relative; padding-left: 22px; font-size: .88rem; color: var(--ink);
  border-top: 1px dashed var(--line); padding-top: 9px; padding-bottom: 9px;
}
.qz-agent-points li::before {
  content: ""; position: absolute; left: 2px; top: 16px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--grad);
}

/* steps */
.qz-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.qz-step {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; background: linear-gradient(180deg, var(--panel), transparent);
}
.qz-step-no {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 14px;
  font-family: var(--font-mono); font-size: 14px; color: #0b0e15;
  background: var(--grad); margin-bottom: 20px; font-weight: 500;
}
.qz-step h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; margin-bottom: 10px; }
.qz-step p { font-size: .93rem; color: var(--muted); }

/* spec sheet (facts / about / contact info) */
.qz-spec {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 20px; padding: 30px 30px 12px;
}
.qz-spec-title { font-family: var(--font-display); font-weight: 600; font-size: 1.3rem; margin-bottom: 20px; }
.qz-spec-grid { display: grid; grid-template-columns: 1fr 1fr; column-gap: 34px; }
.qz-spec-row {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 11px 0; border-top: 1px dashed var(--line); font-size: .9rem;
}
.qz-spec-row dt { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--faint); padding-top: 3px; flex: none; }
.qz-spec-row dd { color: var(--ink); text-align: right; }

/* app section */
.qz-app-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: center; }
.qz-left { margin-bottom: 30px; }

.qz-phone {
  width: min(320px, 100%); margin-inline: auto;
  background: #05070c; border: 1px solid var(--line); border-radius: 38px;
  padding: 12px; box-shadow: 0 40px 90px -30px rgba(0, 0, 0, .8), 0 0 60px -20px rgba(124, 108, 255, .25);
}
.qz-phone-notch { width: 110px; height: 22px; margin: 2px auto 10px; background: #05070c; border-radius: 999px; border: 1px solid var(--line-soft); }
.qz-phone-screen { background: var(--bg-2); border-radius: 26px; padding: 20px 16px; }
.qz-phone-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 16px; font-family: var(--font-display); font-weight: 700; }
.qz-phone-week { font-family: var(--font-mono); font-size: 10px; color: var(--cy); letter-spacing: .1em; text-transform: uppercase; font-weight: 400; }
.qz-phone-ring { text-align: center; margin-bottom: 16px; }
.qz-phone-ring svg { width: 110px; margin-inline: auto; }
.qz-ring-bg { fill: none; stroke: var(--line); stroke-width: 9; }
.qz-ring-val {
  fill: none; stroke: url(#qzline); stroke-width: 9; stroke-linecap: round;
  stroke-dasharray: 302; stroke-dashoffset: 82;
  transform: rotate(-90deg); transform-origin: center;
}
.qz-phone-ring small { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .1em; color: var(--muted); }
.qz-phone-msg {
  background: var(--panel-2); border: 1px solid var(--line-soft); border-radius: 14px;
  padding: 12px 14px; margin-bottom: 12px;
}
.qz-phone-msg small, .qz-phone-lesson small {
  display: block; font-family: var(--font-mono); font-size: 9px;
  letter-spacing: .12em; text-transform: uppercase; color: var(--vio); margin-bottom: 5px;
}
.qz-phone-msg p { font-size: .8rem; line-height: 1.5; }
.qz-phone-lesson { display: flex; gap: 10px; align-items: center; padding: 4px 2px; }
.qz-phone-lesson i { width: 26px; height: 26px; border-radius: 8px; background: var(--grad); flex: none; }
.qz-phone-lesson b { font-size: .78rem; font-weight: 600; }

.qz-app-points li {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 0; border-top: 1px dashed var(--line); font-size: .98rem;
}
.qz-tick {
  width: 20px; height: 20px; flex: none; border-radius: 7px;
  background: rgba(69, 219, 196, .1); border: 1px solid rgba(69, 219, 196, .35);
  position: relative;
}
.qz-tick::after {
  content: ""; position: absolute; left: 6px; top: 3px;
  width: 5px; height: 9px;
  border: solid var(--cy); border-width: 0 2px 2px 0; transform: rotate(42deg);
}
.qz-app-meta { margin-top: 22px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--faint); }

/* faq */
.qz-faq { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 20px; align-items: start; }
.qz-faq-item {
  background: var(--panel); border: 1px solid var(--line); border-radius: 15px;
  transition: border-color .25s ease;
}
.qz-faq-item[open] { border-color: rgba(124, 108, 255, .4); }
.qz-faq-item summary {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 18px 20px; cursor: pointer; list-style: none;
  font-weight: 600; font-size: .96rem;
}
.qz-faq-item summary::-webkit-details-marker { display: none; }
.qz-faq-x { position: relative; width: 16px; height: 16px; flex: none; }
.qz-faq-x::before, .qz-faq-x::after {
  content: ""; position: absolute; inset: 7px 0 auto 0; height: 2px; background: var(--cy);
  transition: transform .25s ease;
}
.qz-faq-x::after { transform: rotate(90deg); }
.qz-faq-item[open] .qz-faq-x::after { transform: rotate(0); }
.qz-faq-a { padding: 0 20px 20px; }
.qz-faq-a p { font-size: .9rem; color: var(--muted); }

/* cta */
.qz-cta {
  position: relative; text-align: center;
  border-radius: 26px; padding: 70px 40px;
  background:
    radial-gradient(500px 260px at 50% -20%, rgba(124, 108, 255, .22), transparent 70%),
    var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
}
.qz-cta::before {
  content: ""; position: absolute; inset: -1px; border-radius: 27px; padding: 1px;
  background: var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: .5; pointer-events: none;
}
.qz-cta p { color: var(--muted); max-width: 52ch; margin: 0 auto 32px; }

/* ---------------- sub pages ---------------- */
.qz-pagehero { padding: 170px 0 60px; position: relative; }
.qz-pagehero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(600px 320px at 20% 0%, rgba(124, 108, 255, .13), transparent 65%);
}
.qz-pagehero-note { margin-top: 18px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--faint); }

.qz-about-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: start; }
.qz-about-story p { color: var(--muted); margin-bottom: 18px; font-size: 1.02rem; }
.qz-about-story .qz-h2 { color: var(--ink); }

.qz-legal-item { padding: 26px 0; border-top: 1px solid var(--line-soft); }
.qz-legal-item:first-child { border-top: 0; }
.qz-legal-item h2 {
  font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; margin-bottom: 12px;
  display: flex; align-items: baseline; gap: 14px;
}
.qz-legal-no { font-family: var(--font-mono); font-size: 12px; color: var(--vio); }
.qz-legal-item p { color: var(--muted); font-size: .97rem; }

/* contact */
.qz-contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 30px; align-items: start; }
.qz-contact-info .qz-spec-grid { grid-template-columns: 1fr; }
.qz-contact-info .qz-spec-row dd { text-align: right; }

.qz-formpanel {
  background: var(--panel); border: 1px solid var(--line); border-radius: 22px;
  padding: 36px 34px;
}
.qz-formpanel-title { font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; margin-bottom: 8px; }
.qz-formpanel-intro { color: var(--muted); font-size: .95rem; margin-bottom: 22px; }

.qz-form-status { border-radius: 12px; padding: 13px 16px; font-size: .92rem; margin-bottom: 18px; }
.qz-form-status-success { background: rgba(69, 219, 196, .1); border: 1px solid rgba(69, 219, 196, .35); color: var(--cy); }
.qz-form-status-error { background: rgba(255, 107, 107, .08); border: 1px solid rgba(255, 107, 107, .35); color: #ff8f8f; }

.qz-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.qz-field { margin-bottom: 18px; }
.qz-field label {
  display: block; font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px;
}
.qz-field input, .qz-field textarea {
  width: 100%; background: var(--bg-2); border: 1px solid var(--line);
  border-radius: 12px; padding: 13px 15px; color: var(--ink);
  font: inherit; font-size: .95rem; resize: vertical;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.qz-field input:focus, .qz-field textarea:focus {
  outline: none; border-color: var(--vio);
  box-shadow: 0 0 0 3px rgba(124, 108, 255, .18);
}
.qz-field ::placeholder { color: var(--faint); }
.qz-form-note { margin-top: 16px; font-size: .8rem; color: var(--faint); text-align: center; }

/* 404 */
.qz-404 { min-height: 62vh; }
.qz-404 .qz-actions { margin-top: 34px; }

/* ---------------- footer ---------------- */
.qz-footer { border-top: 1px solid var(--line-soft); background: var(--bg-2); padding: 64px 0 34px; margin-top: 40px; }
.qz-foot-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 44px; border-bottom: 1px solid var(--line-soft);
}
.qz-foot-tag { color: var(--muted); font-size: .9rem; margin: 16px 0 14px; max-width: 34ch; }
.qz-foot-status { display: flex; align-items: center; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--cy); }
.qz-foot-h {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--faint); font-weight: 500; margin-bottom: 16px;
}
.qz-foot-col a { display: block; padding: 5px 0; font-size: .92rem; color: var(--muted); transition: color .2s ease; }
.qz-foot-col a:hover, .qz-foot-col a.is-on { color: var(--ink); }
.qz-foot-base {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding-top: 26px; font-size: .82rem; color: var(--faint);
}
.qz-foot-note { max-width: 60ch; }

/* ---------------- responsive ---------------- */
@media (max-width: 1020px) {
  .qz-hero-grid { grid-template-columns: 1fr; gap: 54px; }
  .qz-hero-visual { max-width: 520px; }
  .qz-bento, .qz-bento-4 { grid-template-columns: repeat(2, 1fr); }
  .qz-tile-wide { grid-column: span 2; }
  .qz-agents { grid-template-columns: 1fr; }
  .qz-app-grid { grid-template-columns: 1fr; gap: 50px; }
  .qz-app-visual { order: 2; }
  .qz-about-grid, .qz-contact-grid { grid-template-columns: 1fr; }
  .qz-foot-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  body { font-size: 15.5px; }
  .qz-hero { padding-top: 130px; }
  .qz-sec { padding: 70px 0; }
  .qz-stats { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .qz-steps { grid-template-columns: 1fr; }
  .qz-faq { grid-template-columns: 1fr; }
  .qz-spec-grid { grid-template-columns: 1fr; }
  .qz-bento, .qz-bento-4 { grid-template-columns: 1fr; }
  .qz-tile-wide { grid-column: span 1; }
  .qz-foot-grid { grid-template-columns: 1fr; gap: 28px; }

  .qz-burger {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 12px;
  }
  .qz-burger-lines, .qz-burger-lines::before, .qz-burger-lines::after {
    display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px;
    transition: transform .25s ease, opacity .25s ease;
    content: "";
  }
  .qz-burger-lines { position: relative; }
  .qz-burger-lines::before { position: absolute; top: -6px; }
  .qz-burger-lines::after { position: absolute; top: 6px; }
  .qz-burger[aria-expanded="true"] .qz-burger-lines { background: transparent; }
  .qz-burger[aria-expanded="true"] .qz-burger-lines::before { transform: translateY(6px) rotate(45deg); }
  .qz-burger[aria-expanded="true"] .qz-burger-lines::after { transform: translateY(-6px) rotate(-45deg); }

  .qz-nav {
    position: fixed; inset: 74px 0 auto 0; z-index: 79;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(11, 14, 21, .97); backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line); padding: 18px 24px 26px;
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity .25s ease, transform .25s ease;
  }
  .qz-nav.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .qz-nav > a { padding: 12px 4px; font-size: 1.05rem; }
  .qz-nav-cta { text-align: center; margin-top: 8px; }
  .qz-langs { border-left: 0; padding-left: 0; margin: 12px 0 0; justify-content: center; }
}