:root {
  --qc-ink: #111310;
  --qc-ink-2: #1b1e19;
  --qc-paper: #f3f0e7;
  --qc-paper-2: #e8e4da;
  --qc-red: #ff4f3b;
  --qc-blue: #1a56ff;
  --qc-lime: #c7ef3f;
  --qc-line-dark: rgba(243, 240, 231, 0.16);
  --qc-line-light: rgba(17, 19, 16, 0.18);
  --qc-display: 'Noto Serif SC', 'Songti SC', serif;
  --qc-numeric: 'Barlow Condensed', sans-serif;
}

.qc-page {
  background: var(--bg);
  color: var(--qc-ink);
}

.qc-page .container { max-width: 1280px; }

.qc-header {
  background: #fff;
  border-bottom-color: rgba(17, 19, 16, 0.18);
}

.qc-header .nav-cta { border: 0; }
.qc-header .nav-link.active { background: transparent; border-radius: 0; }

.qc-hero {
  min-height: min(920px, 100svh);
  padding: calc(var(--header-h) + 72px) 0 76px;
  color: var(--qc-paper);
  background: var(--qc-ink);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.qc-grid-lines,
.qc-final-grid {
  position: absolute;
  inset: 0;
  opacity: .42;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(243, 240, 231, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(243, 240, 231, .055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, transparent, #000 20%, #000 82%, transparent);
}

.qc-hero::before {
  content: '';
  position: absolute;
  width: 520px;
  height: 520px;
  right: -190px;
  top: 120px;
  border: 1px solid rgba(255, 79, 59, .28);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(255, 79, 59, .02), 0 0 0 160px rgba(255, 79, 59, .015);
}

.qc-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(440px, .97fr);
  align-items: center;
  gap: 72px;
  position: relative;
  z-index: 1;
}

.qc-hero-copy { max-width: 680px; }

.qc-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(243, 240, 231, .7);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.4px;
  margin-bottom: 28px;
}

.qc-eyebrow span {
  width: 42px;
  height: 3px;
  background: var(--qc-red);
}

.qc-hero h1,
.qc-section-head h2,
.qc-delivery-copy h2,
.qc-proof-copy h2,
.qc-final-inner h2,
.qc-modal-panel h2 {
  font-family: var(--qc-display);
  letter-spacing: 0;
}

.qc-hero h1 {
  font-size: clamp(50px, 6.2vw, 88px);
  line-height: 1.12;
  font-weight: 900;
  margin: 0 0 26px;
}

.qc-hero h1 em {
  display: inline-block;
  color: var(--qc-red);
  font-style: normal;
  position: relative;
}

.qc-hero h1 em::after {
  content: '';
  position: absolute;
  left: 0;
  right: 4%;
  bottom: -10px;
  height: 4px;
  background: var(--qc-lime);
  transform: rotate(-1deg);
}

.qc-hero-lead {
  max-width: 590px;
  color: rgba(243, 240, 231, .72);
  font-size: 17px;
  line-height: 1.9;
}

.qc-hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 38px;
}

.qc-btn {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 0 28px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 800;
  transition: transform .24s ease, box-shadow .24s ease, background .24s ease;
}

.qc-btn:hover { transform: translateY(-3px); }
.qc-btn span { font-size: 19px; transition: transform .24s ease; }
.qc-btn:hover span { transform: translateX(4px); }

.qc-btn-primary {
  background: var(--qc-blue);
  color: #f8f7f2;
  box-shadow: 0 16px 34px rgba(26, 86, 255, .3);
}

.qc-btn-primary:hover { background: #124bea; box-shadow: 0 20px 42px rgba(26, 86, 255, .38); }

.qc-btn-line {
  color: var(--qc-paper);
  border: 1px solid rgba(243, 240, 231, .34);
}

.qc-btn-line:hover { background: rgba(243, 240, 231, .08); }

.qc-trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 11px 28px;
  margin-top: 32px;
  color: rgba(243, 240, 231, .58);
  font-size: 13px;
}

.qc-trust-list li { position: relative; padding-left: 17px; }
.qc-trust-list li::before {
  content: '';
  width: 7px;
  height: 7px;
  background: var(--qc-lime);
  position: absolute;
  left: 0;
  top: 8px;
}

.qc-console-wrap { position: relative; padding: 36px 0 28px 34px; }

.qc-console-light {
  position: absolute;
  inset: 0 8% 6% 0;
  background: var(--qc-red);
  clip-path: polygon(22% 0, 100% 0, 84% 100%, 0 78%);
  opacity: .18;
  filter: blur(46px);
}

.qc-console {
  min-height: 520px;
  background: #22261f;
  border: 1px solid rgba(243, 240, 231, .2);
  box-shadow: 28px 30px 0 rgba(255, 79, 59, .13);
  position: relative;
  transform: perspective(1200px) rotateY(-4deg) rotateX(1deg);
}

.qc-console::before,
.qc-console::after {
  content: '';
  position: absolute;
  pointer-events: none;
}

.qc-console::before {
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent 0 4px, rgba(243, 240, 231, .018) 5px);
}

.qc-console::after {
  width: 10px;
  height: 10px;
  background: var(--qc-red);
  top: -5px;
  right: -5px;
}

.qc-console-head {
  min-height: 88px;
  padding: 21px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--qc-line-dark);
  position: relative;
  z-index: 1;
}

.qc-console-head div { display: grid; gap: 4px; }
.qc-console-head strong { font-size: 18px; }

.qc-console-kicker,
.qc-stage-label,
.qc-modal-index {
  font-family: var(--qc-numeric);
  letter-spacing: 1.7px;
  font-size: 12px;
  color: rgba(243, 240, 231, .48);
}

.qc-live {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--qc-lime);
  font-family: var(--qc-numeric);
  font-size: 13px;
}

.qc-live i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--qc-lime);
  box-shadow: 0 0 0 5px rgba(199, 239, 63, .12);
  animation: qcPulse 2s ease-in-out infinite;
}

.qc-console-body {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  min-height: 354px;
  position: relative;
  z-index: 1;
}

.qc-signal {
  position: relative;
  min-height: 354px;
  border-right: 1px solid var(--qc-line-dark);
  overflow: hidden;
}

.qc-signal::before,
.qc-signal::after {
  content: '';
  position: absolute;
  background: rgba(243, 240, 231, .08);
}

.qc-signal::before { width: 1px; height: 100%; left: 50%; }
.qc-signal::after { height: 1px; width: 100%; top: 50%; }

.qc-signal-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(243, 240, 231, .16);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.qc-ring-1 { width: 218px; height: 218px; border-color: rgba(255, 79, 59, .5); animation: qcSpin 24s linear infinite; }
.qc-ring-1::before { content: ''; width: 9px; height: 9px; background: var(--qc-red); position: absolute; left: 30px; top: 18px; }
.qc-ring-2 { width: 148px; height: 148px; border-style: dashed; animation: qcSpinReverse 18s linear infinite; }

.qc-signal-core {
  width: 104px;
  height: 104px;
  border-radius: 50%;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--qc-red);
  color: var(--qc-ink);
  box-shadow: 0 0 50px rgba(255, 79, 59, .2);
}

.qc-signal-core span { font-size: 11px; font-weight: 700; opacity: .7; }
.qc-signal-core strong { font-size: 14px; }

.qc-node {
  position: absolute;
  font-family: var(--qc-numeric);
  font-size: 12px;
  letter-spacing: 1px;
  color: rgba(243, 240, 231, .6);
}

.qc-node::before { content: ''; width: 6px; height: 6px; background: var(--qc-lime); display: inline-block; margin-right: 7px; }
.qc-node-a { left: 10%; top: 15%; }
.qc-node-b { right: 8%; top: 22%; }
.qc-node-c { right: 11%; bottom: 14%; }
.qc-node-d { left: 8%; bottom: 19%; }

.qc-console-side { display: grid; grid-template-rows: repeat(3, 1fr); }
.qc-console-item { padding: 23px 17px; border-bottom: 1px solid var(--qc-line-dark); display: flex; flex-direction: column; justify-content: center; }
.qc-console-item:last-child { border-bottom: 0; }
.qc-console-item span { color: rgba(243, 240, 231, .45); font-size: 11px; }
.qc-console-item b { font-size: 13px; margin: 4px 0 14px; }
.qc-console-item i { display: block; height: 3px; background: rgba(243, 240, 231, .1); position: relative; }
.qc-console-item i::after { content: ''; position: absolute; inset: 0 auto 0 0; width: var(--progress); background: var(--qc-lime); transform-origin: left; animation: qcLoad 1.6s ease both .35s; }

.qc-console-foot { height: 75px; display: flex; align-items: center; gap: 10px; padding: 0 24px; border-top: 1px solid var(--qc-line-dark); position: relative; z-index: 1; }
.qc-console-foot span { font-family: var(--qc-numeric); font-size: 11px; letter-spacing: 1px; color: rgba(243, 240, 231, .52); }
.qc-console-foot i { flex: 1; height: 1px; background: rgba(243, 240, 231, .18); }

.qc-console-caption {
  max-width: 390px;
  display: flex;
  gap: 14px;
  margin: 24px 0 0 auto;
  color: rgba(243, 240, 231, .52);
  font-size: 12px;
}
.qc-console-caption span { color: var(--qc-red); font-family: var(--qc-numeric); font-weight: 700; }

.qc-ticker {
  overflow: hidden;
  background: var(--qc-red);
  color: var(--qc-ink);
  border-top: 1px solid var(--qc-ink);
  border-bottom: 1px solid var(--qc-ink);
}

.qc-ticker-track {
  width: max-content;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 27px;
  animation: qcTicker 28s linear infinite;
  font-family: var(--qc-numeric);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 1px;
}

.qc-section { padding: 120px 0; }
.qc-problem { background: var(--bg); }
.qc-plan { background: var(--qc-ink); color: var(--qc-paper); }
.qc-matrix { background: var(--bg-section); }
.qc-delivery { background: var(--bg-light); }
.qc-proof { background: var(--bg); }
.qc-faq { background: var(--qc-ink-2); color: var(--qc-paper); }

.qc-section-head { margin-bottom: 60px; max-width: 820px; }
.qc-section-head-split { max-width: none; display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: end; }

.qc-index {
  display: block;
  font-family: var(--qc-numeric);
  letter-spacing: 1.8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--qc-red);
  margin-bottom: 20px;
}

.qc-section-head h2,
.qc-delivery-copy h2,
.qc-proof-copy h2 {
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.25;
  margin: 0;
}

.qc-section-head > p,
.qc-section-head-split > p,
.qc-delivery-copy > p,
.qc-proof-copy > p {
  color: rgba(17, 19, 16, .68);
  font-size: 16px;
  line-height: 1.9;
}

.qc-plan .qc-section-head > p,
.qc-faq .qc-section-head > p { color: rgba(243, 240, 231, .62); }

.qc-diagnostic { border-top: 2px solid var(--qc-ink); }

.qc-diagnostic-axis {
  display: grid;
  grid-template-columns: 90px 1.1fr .9fr;
  gap: 28px;
  padding: 12px 0;
  border-bottom: 1px solid var(--qc-line-light);
  color: rgba(17, 19, 16, .48);
  font-family: var(--qc-numeric);
  font-size: 11px;
  letter-spacing: 1px;
}

.qc-diagnostic-axis span:first-child { grid-column: 1 / 3; }
.qc-diagnostic-axis span:nth-child(3),
.qc-diagnostic-axis span:nth-child(4) { display: none; }

.qc-diagnostic-row {
  display: grid;
  grid-template-columns: 90px 1.1fr .9fr;
  gap: 28px;
  align-items: center;
  padding: 34px 0;
  border-bottom: 1px solid var(--qc-line-light);
  transition: padding .25s ease, background .25s ease;
}

.qc-diagnostic-row:hover { padding-left: 18px; background: rgba(255, 79, 59, .045); }
.qc-diagnostic-num { font-family: var(--qc-numeric); font-size: 34px; font-weight: 700; color: var(--qc-red); }
.qc-diagnostic-row h3 { font-size: 20px; margin-bottom: 7px; }
.qc-diagnostic-row p { max-width: 590px; color: rgba(17, 19, 16, .62); font-size: 14px; }
.qc-diagnostic-row ul { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px; }
.qc-diagnostic-row li { padding: 6px 10px; border: 1px solid rgba(17, 19, 16, .25); font-size: 12px; }

.qc-plan-shell { border: 1px solid var(--qc-line-dark); }
.qc-plan-tabs { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--qc-line-dark); }

.qc-plan-tabs button {
  color: var(--qc-paper);
  min-height: 126px;
  display: grid;
  grid-template-columns: 40px 1fr;
  grid-template-rows: auto auto;
  align-content: center;
  text-align: left;
  padding: 24px 28px;
  border-right: 1px solid var(--qc-line-dark);
  position: relative;
}

.qc-plan-tabs button:last-child { border-right: 0; }
.qc-plan-tabs button::after { content: ''; height: 4px; background: transparent; position: absolute; left: 0; right: 0; bottom: 0; }
.qc-plan-tabs button:hover { background: rgba(243, 240, 231, .04); }
.qc-plan-tabs button.is-active { background: rgba(255, 79, 59, .08); }
.qc-plan-tabs button.is-active::after { background: var(--qc-red); }
.qc-plan-tabs b { grid-row: 1 / 3; font-family: var(--qc-numeric); color: var(--qc-red); font-size: 18px; }
.qc-plan-tabs span { font-size: 17px; font-weight: 800; }
.qc-plan-tabs em { font-size: 12px; font-style: normal; color: rgba(243, 240, 231, .45); }

.qc-stage { min-height: 370px; display: grid; grid-template-columns: 1.08fr .92fr; }
.qc-stage[hidden] { display: none; }
.qc-stage-main { padding: 58px; border-right: 1px solid var(--qc-line-dark); }
.qc-stage-main h3 { font-family: var(--qc-display); font-size: clamp(28px, 3.4vw, 43px); line-height: 1.4; margin: 22px 0 20px; }
.qc-stage-main p { max-width: 610px; color: rgba(243, 240, 231, .58); line-height: 1.9; }
.qc-stage-list { display: grid; grid-template-rows: repeat(3, 1fr); }
.qc-stage-list div { display: grid; grid-template-columns: 50px 1fr; align-items: center; padding: 24px 34px; border-bottom: 1px solid var(--qc-line-dark); }
.qc-stage-list div:last-child { border-bottom: 0; }
.qc-stage-list span { font-family: var(--qc-numeric); color: var(--qc-lime); font-weight: 700; }
.qc-stage-list p { color: rgba(243, 240, 231, .5); font-size: 13px; line-height: 1.7; }
.qc-stage-list b { display: block; color: var(--qc-paper); font-size: 15px; margin-bottom: 2px; }

.qc-matrix-board { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--qc-ink); }
.qc-matrix-board article { padding: 42px 34px; border-right: 1px solid var(--qc-ink); min-height: 470px; display: flex; flex-direction: column; position: relative; overflow: hidden; }
.qc-matrix-board article:last-child { border-right: 0; }
.qc-matrix-board article::before { content: ''; position: absolute; width: 160px; height: 160px; border: 1px solid rgba(17, 19, 16, .09); border-radius: 50%; right: -65px; top: -65px; }
.qc-matrix-code { font-family: var(--qc-numeric); font-size: 12px; letter-spacing: 1.5px; color: var(--qc-red); }
.qc-matrix-board h3 { font-family: var(--qc-display); font-size: 35px; margin: 42px 0 14px; }
.qc-matrix-board article > p { color: rgba(17, 19, 16, .62); min-height: 72px; font-size: 14px; line-height: 1.8; }
.qc-matrix-flow { display: flex; align-items: center; margin: 36px 0; }
.qc-matrix-flow span { font-family: var(--qc-numeric); font-size: 12px; font-weight: 700; }
.qc-matrix-flow i { flex: 1; height: 1px; margin: 0 8px; background: var(--qc-ink); position: relative; }
.qc-matrix-flow i::after { content: ''; position: absolute; right: 0; top: -3px; width: 7px; height: 7px; border-top: 1px solid var(--qc-ink); border-right: 1px solid var(--qc-ink); transform: rotate(45deg); }
.qc-matrix-board ul { margin-top: auto; display: grid; gap: 10px; }
.qc-matrix-board li { font-size: 13px; font-weight: 700; padding: 10px 0 10px 18px; border-top: 1px solid rgba(17, 19, 16, .12); position: relative; }
.qc-matrix-board li::before { content: ''; width: 7px; height: 7px; background: var(--qc-red); position: absolute; left: 0; top: 17px; }

.qc-delivery-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 110px; align-items: start; }
.qc-delivery-copy { position: sticky; top: calc(var(--header-h) + 44px); }
.qc-delivery-copy > p { margin: 26px 0 34px; }

.qc-delivery-list { border-top: 2px solid var(--qc-ink); }
.qc-delivery-list article { display: grid; grid-template-columns: 55px 1fr 70px; gap: 20px; align-items: center; padding: 30px 0; border-bottom: 1px solid var(--qc-line-light); }
.qc-delivery-list article > span { color: var(--qc-red); font-family: var(--qc-numeric); font-size: 16px; font-weight: 700; }
.qc-delivery-list h3 { font-size: 18px; margin-bottom: 6px; }
.qc-delivery-list p { color: rgba(17, 19, 16, .58); font-size: 13px; }
.qc-delivery-list article > b { font-size: 11px; text-align: right; color: rgba(17, 19, 16, .5); }

.qc-proof-grid { display: grid; grid-template-columns: .76fr 1.24fr; gap: 100px; align-items: center; }
.qc-proof-image { padding-left: 36px; position: relative; }
.qc-proof-image::before { content: ''; position: absolute; left: 0; top: 38px; bottom: -34px; width: 72%; background: var(--qc-red); z-index: 0; }
.qc-proof-image img { width: 100%; max-height: 620px; object-fit: cover; object-position: top; position: relative; z-index: 1; filter: saturate(.78) contrast(1.03); }
.qc-proof-image span { position: absolute; z-index: 2; left: 10px; bottom: 28px; background: var(--qc-ink); color: var(--qc-paper); padding: 10px 14px; font-size: 11px; letter-spacing: 1px; }
.qc-proof-copy > p { max-width: 620px; margin: 28px 0 42px; }
.qc-proof-facts { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--qc-line-light); border-bottom: 1px solid var(--qc-line-light); margin-bottom: 32px; }
.qc-proof-facts div { padding: 24px 16px 24px 0; display: grid; gap: 5px; }
.qc-proof-facts strong { font-family: var(--qc-numeric); font-size: 26px; }
.qc-proof-facts span { font-size: 12px; color: rgba(17, 19, 16, .52); }
.qc-text-link { font-weight: 800; color: var(--qc-blue); }
.qc-text-link span { display: inline-block; margin-left: 10px; transition: transform .2s ease; }
.qc-text-link:hover span { transform: translateX(5px); }

.qc-faq-list { max-width: 960px; margin-left: auto; border-top: 1px solid var(--qc-line-dark); }
.qc-faq-list details { border-bottom: 1px solid var(--qc-line-dark); }
.qc-faq-list summary { list-style: none; cursor: pointer; min-height: 88px; display: flex; justify-content: space-between; align-items: center; gap: 24px; font-family: var(--qc-display); font-size: 20px; font-weight: 700; }
.qc-faq-list summary::-webkit-details-marker { display: none; }
.qc-faq-list summary span { width: 20px; height: 20px; position: relative; flex: 0 0 auto; }
.qc-faq-list summary span::before,
.qc-faq-list summary span::after { content: ''; position: absolute; background: var(--qc-red); }
.qc-faq-list summary span::before { width: 20px; height: 2px; left: 0; top: 9px; }
.qc-faq-list summary span::after { width: 2px; height: 20px; left: 9px; top: 0; transition: transform .2s ease; }
.qc-faq-list details[open] summary span::after { transform: rotate(90deg); }
.qc-faq-list details p { max-width: 780px; padding: 0 0 30px; color: rgba(243, 240, 231, .58); line-height: 1.9; font-size: 14px; }

.qc-final-cta { min-height: 610px; background: var(--qc-ink); color: var(--qc-paper); display: flex; align-items: center; position: relative; overflow: hidden; border-top: 1px solid var(--qc-line-dark); }
.qc-final-cta::after { content: ''; width: 330px; height: 330px; border-radius: 50%; border: 70px solid var(--qc-red); position: absolute; right: -90px; bottom: -130px; opacity: .8; }
.qc-final-inner { position: relative; z-index: 1; }
.qc-final-inner > span { font-family: var(--qc-numeric); letter-spacing: 2px; color: var(--qc-lime); }
.qc-final-inner h2 { font-size: clamp(46px, 6.4vw, 82px); line-height: 1.25; max-width: 900px; margin: 20px 0 24px; }
.qc-final-inner > p { max-width: 630px; color: rgba(243, 240, 231, .62); line-height: 1.9; }
.qc-final-actions { display: flex; align-items: center; gap: 28px; margin-top: 38px; }
.qc-phone { font-family: var(--qc-numeric); letter-spacing: 1px; color: rgba(243, 240, 231, .72); }

.qc-footer { background: #0a0b09; }
.qc-footer .footer-bottom p { white-space: normal; }
.qc-footer .footer-bottom img { width: 16px; height: 16px; display: inline-block; vertical-align: text-bottom; margin-right: 4px; }

.qc-modal[hidden] { display: none; }
.qc-modal { position: fixed; inset: 0; z-index: 3000; display: grid; place-items: center; padding: 20px; }
.qc-modal-backdrop { position: absolute; inset: 0; width: 100%; background: rgba(17, 19, 16, .84); backdrop-filter: blur(8px); }
.qc-modal-panel { width: min(92vw, 480px); background: var(--qc-paper); color: var(--qc-ink); padding: 42px; position: relative; box-shadow: 18px 18px 0 var(--qc-red); animation: qcModalIn .24s ease both; }
.qc-modal-close { width: 36px; height: 36px; position: absolute; right: 14px; top: 14px; font-size: 28px; line-height: 1; }
.qc-modal-panel h2 { font-size: 30px; margin: 12px 0; }
.qc-modal-panel > p { color: rgba(17, 19, 16, .62); font-size: 14px; line-height: 1.8; }
.qc-modal-qr { width: 270px; height: 270px; margin: 24px auto 14px; overflow: hidden; background: #ece9df; }
.qc-modal-qr img { width: 100%; height: 100%; object-fit: cover; }
.qc-modal-panel > a { display: block; text-align: center; color: var(--qc-blue); font-weight: 800; }
body.qc-modal-open { overflow: hidden; }

[data-qc-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s cubic-bezier(.22, 1, .36, 1); }
[data-qc-reveal].is-visible { opacity: 1; transform: none; }

@keyframes qcPulse { 50% { opacity: .45; box-shadow: 0 0 0 10px rgba(199, 239, 63, 0); } }
@keyframes qcSpin { to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes qcSpinReverse { to { transform: translate(-50%, -50%) rotate(-360deg); } }
@keyframes qcLoad { from { transform: scaleX(0); } }
@keyframes qcTicker { to { transform: translateX(-50%); } }
@keyframes qcModalIn { from { opacity: 0; transform: translateY(20px) scale(.98); } }

@media (max-width: 1080px) {
  .qc-hero { min-height: auto; }
  .qc-hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .qc-hero-copy { padding-top: 18px; }
  .qc-console-wrap { width: min(760px, 100%); }
  .qc-section-head-split { gap: 50px; }
  .qc-delivery-grid { gap: 60px; }
  .qc-proof-grid { gap: 60px; }
}

@media (max-width: 820px) {
  .qc-section { padding: 88px 0; }
  .qc-section-head-split { grid-template-columns: 1fr; gap: 24px; }
  .qc-diagnostic-row { grid-template-columns: 50px 1fr; }
  .qc-diagnostic-row ul { grid-column: 2; justify-content: flex-start; }
  .qc-diagnostic-axis { display: none; }
  .qc-stage { grid-template-columns: 1fr; }
  .qc-stage-main { border-right: 0; border-bottom: 1px solid var(--qc-line-dark); }
  .qc-matrix-board { grid-template-columns: 1fr; }
  .qc-matrix-board article { min-height: auto; border-right: 0; border-bottom: 1px solid var(--qc-ink); }
  .qc-matrix-board article:last-child { border-bottom: 0; }
  .qc-delivery-grid { grid-template-columns: 1fr; }
  .qc-delivery-copy { position: static; }
  .qc-proof-grid { grid-template-columns: 1fr; }
  .qc-proof-image { max-width: 520px; }
}

@media (max-width: 768px) {
  .qc-header .nav-menu { background: #fff; }
  .qc-header .nav-menu .nav-link.active { background: transparent !important; border-radius: 0; }
  .qc-header .nav-cta { width: auto; }
  .qc-hero { min-height: auto; padding: calc(var(--header-h) + 50px) 0 60px; }
  .qc-hero-grid { gap: 46px; }
  .qc-hero h1 { font-size: clamp(44px, 13vw, 65px); }
  .qc-hero-lead { font-size: 15px; }
  .qc-hero-actions { align-items: stretch; flex-direction: column; }
  .qc-btn { width: 100%; }
  .qc-console-wrap { padding: 16px 5px 20px 0; }
  .qc-console { min-height: 410px; transform: none; box-shadow: 12px 14px 0 rgba(255, 79, 59, .13); }
  .qc-console-head { padding: 17px; }
  .qc-console-body { min-height: 260px; grid-template-columns: 1fr .72fr; }
  .qc-signal { min-height: 260px; }
  .qc-ring-1 { width: 160px; height: 160px; }
  .qc-ring-2 { width: 110px; height: 110px; }
  .qc-signal-core { width: 80px; height: 80px; }
  .qc-signal-core strong { font-size: 12px; }
  .qc-node { font-size: 10px; }
  .qc-node-a { left: 5%; }
  .qc-node-b { right: 4%; }
  .qc-node-c { right: 4%; }
  .qc-node-d { left: 4%; }
  .qc-console-item { padding: 14px 10px; }
  .qc-console-item b { font-size: 11px; }
  .qc-console-foot { height: 60px; padding: 0 14px; gap: 6px; }
  .qc-console-caption { margin-top: 20px; }
  .qc-ticker-track { height: 50px; }
  .qc-section-head { margin-bottom: 42px; }
  .qc-section-head h2,
  .qc-delivery-copy h2,
  .qc-proof-copy h2 { font-size: 40px; }
  .qc-plan-tabs button { min-height: 104px; grid-template-columns: 1fr; padding: 18px 12px; text-align: center; }
  .qc-plan-tabs b { grid-row: auto; font-size: 13px; }
  .qc-plan-tabs span { font-size: 14px; }
  .qc-plan-tabs em { display: none; }
  .qc-stage-main { padding: 34px 24px; }
  .qc-stage-list div { padding: 20px 24px; }
  .qc-matrix-board article { padding: 34px 24px; }
  .qc-delivery-list article { grid-template-columns: 40px 1fr; }
  .qc-delivery-list article > b { grid-column: 2; text-align: left; }
  .qc-proof-image { padding-left: 20px; }
  .qc-proof-facts { grid-template-columns: 1fr; }
  .qc-proof-facts div { border-bottom: 1px solid var(--qc-line-light); }
  .qc-proof-facts div:last-child { border-bottom: 0; }
  .qc-faq-list summary { min-height: 78px; font-size: 17px; }
  .qc-final-cta { min-height: 560px; }
  .qc-final-inner h2 { font-size: 46px; }
  .qc-final-actions { flex-direction: column; align-items: stretch; }
  .qc-phone { text-align: center; }
  .qc-modal-panel { padding: 36px 24px 28px; box-shadow: 9px 10px 0 var(--qc-red); }
  .qc-modal-qr { width: min(260px, 74vw); height: min(260px, 74vw); }
}

@media (max-width: 430px) {
  .qc-page .container { padding-left: 20px; padding-right: 20px; }
  .qc-hero h1 { font-size: 43px; }
  .qc-eyebrow { font-size: 11px; letter-spacing: .7px; }
  .qc-trust-list { display: grid; gap: 8px; }
  .qc-console-side { display: none; }
  .qc-console-body { grid-template-columns: 1fr; }
  .qc-signal { border-right: 0; }
  .qc-console-foot span { font-size: 9px; }
  .qc-diagnostic-row { gap: 15px; padding: 26px 0; }
  .qc-diagnostic-row:hover { padding-left: 0; }
  .qc-diagnostic-row li { font-size: 11px; }
  .qc-stage-list div { grid-template-columns: 36px 1fr; }
  .qc-final-inner h2 { font-size: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  .qc-live i,
  .qc-ring-1,
  .qc-ring-2,
  .qc-console-item i::after,
  .qc-ticker-track { animation: none; }
  [data-qc-reveal] { opacity: 1; transform: none; transition: none; }
  .qc-btn,
  .qc-text-link span { transition: none; }
}