:root {
  --primary: #5b57e8;
  --primary-dark: #4541cb;
  --primary-soft: #efefff;
  --ink: #101426;
  --text: #4d5368;
  --muted: #747b90;
  --line: #e7e9f2;
  --surface: #ffffff;
  --surface-alt: #f7f8fc;
  --dark: #111528;
  --dark-soft: #191e35;
  --success: #1f9d68;
  --shadow-sm: 0 8px 24px rgba(22, 27, 57, 0.08);
  --shadow-md: 0 24px 60px rgba(22, 27, 57, 0.14);
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 30px;
  --container: 1180px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 10px;
  left: 10px;
  transform: translateY(-180%);
  padding: 10px 14px;
  background: var(--ink);
  color: #fff;
  border-radius: 10px;
}
.skip-link:focus { transform: none; }

.container {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.section { padding: 96px 0; }

.eyebrow {
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  color: var(--primary);
  margin-bottom: 16px;
}

.section-heading {
  width: min(760px, 100%);
  margin: 0 auto 52px;
  text-align: center;
}
.section-heading.narrow { width: min(800px, 100%); }
.section-heading h2,
.feature-copy h2,
.demo-copy h2,
.calculator-layout h2,
.faq-intro h2,
.final-cta-card h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.section-heading p,
.feature-copy > p,
.demo-copy > p,
.calculator-layout > div > p,
.faq-intro > p {
  margin: 18px auto 0;
  color: var(--text);
  font-size: 1.06rem;
}
.section-heading.light h2,
.section-heading.light p { color: #fff; }
.section-heading.light p { opacity: .72; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.88);
  border-bottom: 1px solid rgba(231,233,242,.82);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  min-height: 76px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-size: 1.04rem;
  font-weight: 850;
  letter-spacing: -0.03em;
}
.brand-mark {
  width: 34px;
  height: 34px;
}
.brand-mark svg rect {
  fill: var(--primary);
  stroke: none;
}
.brand-mark svg path,
.brand-mark svg circle {
  fill: none;
  stroke: white;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.primary-nav {
  display: flex;
  justify-content: center;
  gap: 26px;
}
.primary-nav a {
  font-size: .92rem;
  font-weight: 650;
  color: #30364b;
}
.primary-nav a:hover { color: var(--primary); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 750;
  line-height: 1;
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible,
input:focus-visible,
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(91,87,232,.22);
  outline-offset: 3px;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 24px rgba(91,87,232,.22);
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary {
  background: #fff;
  color: var(--ink);
  border-color: #dfe2eb;
}
.btn-secondary:hover { border-color: #c7cad8; background: #fafbfe; }
.btn-ghost { padding-inline: 14px; color: #34394f; }
.btn-sm { min-height: 42px; padding-inline: 17px; }
.btn-lg { min-height: 54px; padding-inline: 24px; border-radius: 14px; }
.btn-block { width: 100%; }
.btn-text { border: 0; background: transparent; color: var(--primary); box-shadow: none; }
.btn-light { background: #fff; color: var(--ink); }
.btn-outline-light { color: #fff; border-color: rgba(255,255,255,.25); background: rgba(255,255,255,.05); }

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.menu-toggle span:not(.sr-only) {
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: transform .2s ease, opacity .2s ease;
}

.hero {
  overflow: hidden;
  padding-top: 82px;
  background:
    radial-gradient(circle at 78% 24%, rgba(91,87,232,.13), transparent 31%),
    linear-gradient(180deg, #fbfbff 0%, #fff 80%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(480px, 1.08fr);
  gap: 72px;
  align-items: center;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(2.8rem, 5vw, 5.25rem);
  line-height: .99;
  letter-spacing: -0.055em;
  max-width: 800px;
}
.hero-lead {
  max-width: 700px;
  margin: 24px 0 0;
  font-size: clamp(1.04rem, 1.6vw, 1.22rem);
  color: var(--text);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 18px;
  color: #545b70;
  font-size: .9rem;
  font-weight: 650;
}
.hero-proof { margin-top: 42px; }
.proof-label { display: block; color: var(--muted); font-size: .84rem; margin-bottom: 10px; }
.proof-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.proof-tags span {
  padding: 7px 11px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 700;
  color: #4b5267;
}

.hero-visual { position: relative; }
.app-shell {
  overflow: hidden;
  border: 1px solid #e2e4ed;
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow-md);
  transform: perspective(1200px) rotateY(-3deg) rotateX(1deg);
}
.app-topbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 48px;
  padding: 0 14px;
  background: #f7f8fb;
  border-bottom: 1px solid var(--line);
}
.dot-group { display: flex; gap: 5px; }
.dot-group span { width: 8px; height: 8px; border-radius: 50%; background: #d3d6e1; }
.app-url {
  padding: 6px 22px;
  border: 1px solid #e0e3ea;
  border-radius: 8px;
  background: #fff;
  color: #7a8091;
  font-size: .72rem;
}
.app-avatar {
  justify-self: end;
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: .65rem;
  font-weight: 800;
}
.app-body { display: grid; grid-template-columns: 60px 1fr; min-height: 430px; }
.app-sidebar {
  padding: 18px 11px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  border-right: 1px solid var(--line);
  background: #fafbfe;
}
.side-brand {
  width: 32px; height: 32px; display: grid; place-items: center;
  border-radius: 8px; color: #fff; background: var(--primary); font-weight: 800;
}
.side-icon { width: 23px; height: 23px; border-radius: 7px; background: #e9ebf3; }
.side-icon.active { background: #dcdcff; box-shadow: inset 0 0 0 2px #aaa8ff; }
.app-content { padding: 26px; }
.app-heading { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.app-heading small, .workflow-step small { display: block; color: #83899a; font-size: .7rem; }
.app-heading strong { display: block; margin-top: 2px; font-size: 1rem; }
.status-pill {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: #e9f8f2;
  color: var(--success);
  font-size: .68rem;
  font-weight: 800;
}
.workflow-card {
  margin-top: 22px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 15px;
}
.workflow-step {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 15px 12px;
  border-radius: 11px;
}
.workflow-step + .workflow-step { border-top: 1px solid #f0f1f5; }
.workflow-step.active { background: #f8f8ff; }
.step-num {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: #f0f1f6;
  font-size: .7rem;
  font-weight: 800;
}
.workflow-step.complete > span:last-child { color: var(--success); font-weight: 900; }
.workflow-step button {
  border: 0;
  background: var(--primary);
  color: white;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: .68rem;
  font-weight: 800;
}
.dashboard-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.mini-stat {
  padding: 15px;
  border-radius: 12px;
  background: #f7f8fb;
}
.mini-stat span { display: block; color: #858a9b; font-size: .65rem; }
.mini-stat strong { display: block; margin-top: 4px; font-size: 1.1rem; }

.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 190px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.95);
  box-shadow: var(--shadow-sm);
}
.floating-card-one { left: -42px; bottom: 52px; }
.floating-card-two { right: -28px; top: 62px; }
.floating-icon {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 900;
}
.floating-card strong { display: block; font-size: .77rem; }
.floating-card small { display: block; color: var(--muted); font-size: .63rem; }

.proof-strip {
  padding: 34px 0;
  border-top: 1px solid #f0f1f5;
  border-bottom: 1px solid #f0f1f5;
}
.proof-strip p { text-align: center; margin: 0 0 20px; color: var(--muted); font-size: .86rem; }
.client-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  align-items: center;
}
.client-grid span {
  text-align: center;
  color: #777d8f;
  font-weight: 800;
  font-size: .92rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.problem-card {
  padding: 27px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
}
.icon-box {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: .75rem;
  font-weight: 850;
}
.problem-card h3 { margin: 20px 0 8px; font-size: 1.06rem; }
.problem-card p { margin: 0; color: var(--text); font-size: .92rem; }

.muted-section { background: var(--surface-alt); }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.step-card {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
}
.step-badge {
  position: absolute;
  z-index: 2;
  top: 12px;
  left: 12px;
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border-radius: 50%;
  color: #fff; background: var(--primary);
  font-size: .75rem; font-weight: 850;
}
.step-visual {
  height: 180px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 15px;
  background: #f7f8fc;
}
.step-card h3 { margin: 20px 0 7px; font-size: 1.04rem; }
.step-card p { margin: 0; color: var(--text); font-size: .9rem; }

.certificate-sheet {
  width: 148px; height: 104px;
  padding: 16px;
  border: 6px double #cfcef9;
  background: white;
  box-shadow: 0 12px 24px rgba(22,27,57,.08);
  text-align: center;
}
.certificate-sheet small { color: var(--primary); font-size: .55rem; font-weight: 900; }
.cert-line { width: 60%; height: 3px; margin: 10px auto 0; background: #d7d9e4; border-radius: 5px; }
.cert-line.wide { width: 80%; }
.cert-signatures { display: flex; justify-content: space-between; margin-top: 16px; }
.cert-signatures span { width: 36px; height: 2px; background: #d7d9e4; }

.sheet-table {
  width: 92%;
  border: 1px solid #dfe2eb;
  border-radius: 10px;
  overflow: hidden;
  background: white;
  box-shadow: var(--shadow-sm);
}
.sheet-table > div { display: grid; grid-template-columns: 1.2fr 1.4fr 1fr; }
.sheet-table > div + div { border-top: 1px solid #edf0f4; }
.sheet-table b, .sheet-table span { padding: 8px; font-size: .55rem; border-right: 1px solid #edf0f4; }
.sheet-table b { background: #f2f2ff; color: #5551d8; }

.send-stack { display: flex; align-items: center; }
.send-card {
  width: 58px; height: 44px;
  margin-right: -42px;
  border: 2px solid #c9c8f6;
  border-radius: 7px;
  background: white;
  box-shadow: 0 4px 10px rgba(0,0,0,.05);
}
.send-arrow { margin-left: 52px; color: var(--primary); font-weight: 900; }
.mail-box {
  margin-left: 10px;
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 13px;
  background: var(--primary);
  color: #fff;
}
.verify-visual { display: flex; gap: 18px; align-items: center; justify-content: center; }
.qr-grid {
  width: 70px; height: 70px;
  display: grid; grid-template-columns: repeat(3,1fr); gap: 4px;
  padding: 7px; background: white; border: 1px solid var(--line);
}
.qr-grid span { background: var(--ink); }
.qr-grid span:nth-child(2),
.qr-grid span:nth-child(4),
.qr-grid span:nth-child(8) { background: transparent; }
.verify-check {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: #e7f8f1;
  color: var(--success);
  font-weight: 900;
  font-size: 1.4rem;
}
.center-cta { text-align: center; margin-top: 36px; }

.feature-layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
  gap: 80px;
  align-items: center;
}
.feature-intro { max-width: 650px; }
.feature-list { margin-top: 30px; display: grid; gap: 16px; }
.feature-list article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 13px;
}
.feature-list article > span {
  width: 27px; height: 27px; display: grid; place-items: center;
  border-radius: 50%; background: #e8f8f1; color: var(--success); font-size: .8rem; font-weight: 900;
}
.feature-list h3 { margin: 0; font-size: 1rem; }
.feature-list p { margin: 5px 0 0; color: var(--text); font-size: .9rem; }

.feature-panel {
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: #fff;
}
.feature-panel-head { padding: 18px 20px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); font-weight: 800; }
.delivery-card { padding: 14px 20px; }
.delivery-title {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
}
.delivery-title + .delivery-title { border-top: 1px solid #f0f1f5; }
.avatar {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: .7rem; font-weight: 850;
}
.delivery-title b, .delivery-title small { display: block; }
.delivery-title small { color: var(--muted); font-size: .72rem; margin-top: 2px; }
.delivery-status { font-size: .7rem; font-weight: 800; color: var(--success); }
.feature-panel-footer {
  display: grid; grid-template-columns: repeat(3,1fr);
  background: #f8f9fc;
  border-top: 1px solid var(--line);
}
.feature-panel-footer div { padding: 18px 20px; }
.feature-panel-footer div + div { border-left: 1px solid var(--line); }
.feature-panel-footer small { display: block; color: var(--muted); }
.feature-panel-footer strong { display: block; font-size: 1.25rem; margin-top: 3px; }

.dark-section {
  background:
    radial-gradient(circle at 10% 20%, rgba(91,87,232,.28), transparent 22%),
    var(--dark);
}
.dark-section .eyebrow { color: #aaa8ff; }

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.solution-card {
  min-height: 240px;
  padding: 26px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 20px;
  background: rgba(255,255,255,.045);
  color: white;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.solution-card:hover {
  transform: translateY(-3px);
  background: rgba(255,255,255,.07);
  border-color: rgba(170,168,255,.35);
}
.solution-icon {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: rgba(170,168,255,.12);
  color: #bbb9ff;
  font-weight: 850;
}
.solution-card h3 { margin: 24px 0 7px; }
.solution-card p { color: rgba(255,255,255,.67); font-size: .91rem; margin: 0 0 20px; }
.link-arrow { color: #c3c1ff; font-size: .82rem; font-weight: 800; }

.demo-layout {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(420px, 1.2fr);
  gap: 90px;
  align-items: center;
}
.check-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 30px; color: #42485c; }
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 1px;
  width: 20px; height: 20px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: #e8f8f1; color: var(--success); font-size: .7rem; font-weight: 900;
}

.demo-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 22px;
  background: #fff;
  box-shadow: var(--shadow-md);
}
.demo-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 5px; background: #f5f6fa; border-radius: 12px; }
.demo-tab {
  border: 0; border-radius: 9px; padding: 10px 12px;
  background: transparent; color: var(--muted); font-weight: 750; cursor: pointer;
}
.demo-tab.active { background: #fff; color: var(--ink); box-shadow: 0 2px 8px rgba(0,0,0,.06); }
.demo-pane { display: none; margin-top: 20px; }
.demo-pane.active { display: block; }
.demo-pane label, .calculator-card label {
  display: block;
  margin-bottom: 14px;
  font-size: .82rem;
  font-weight: 750;
  color: #373d51;
}
.demo-pane input, .calculator-card input {
  width: 100%;
  height: 48px;
  margin-top: 7px;
  border: 1px solid #dfe2eb;
  border-radius: 11px;
  padding: 0 13px;
  color: var(--ink);
  background: #fff;
}
.certificate-preview {
  min-height: 310px;
  margin-bottom: 16px;
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 8px double #cfcef9;
  border-radius: 4px;
  background: #fff;
  box-shadow: inset 0 0 0 1px #ececf8;
}
.certificate-kicker { color: var(--primary); letter-spacing: .16em; font-size: .72rem; font-weight: 900; }
.certificate-preview small { color: var(--muted); margin-top: 20px; }
.certificate-preview strong { margin-top: 4px; font-size: 2rem; font-family: Georgia, serif; font-style: italic; }
.certificate-preview b { margin-top: 5px; }
.certificate-preview > span:not(.certificate-kicker) { margin-top: 14px; color: var(--muted); font-size: .85rem; }
.certificate-bottom { width: 100%; margin-top: 25px; padding-top: 12px; display: flex; justify-content: space-between; border-top: 1px solid #e4e6ee; color: var(--muted); font-size: .72rem; }
.fake-qr { color: var(--ink); font-size: 1.35rem; }

.calculator-section { background: var(--surface-alt); }
.calculator-layout {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(420px, 1.15fr);
  gap: 80px;
  align-items: center;
}
.calculator-card {
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow-sm);
}
.calculator-results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 18px;
}
.calculator-results div {
  padding: 18px;
  border-radius: 14px;
  background: var(--primary-soft);
}
.calculator-results small { display: block; color: #65618f; font-size: .72rem; }
.calculator-results strong { display: block; margin-top: 5px; font-size: 1.35rem; color: var(--primary-dark); }
.calculator-note { margin: 12px 0 0; color: var(--muted); font-size: .74rem; }

.comparison-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 20px;
}
.comparison-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: #fff;
}
.comparison-table th, .comparison-table td {
  padding: 18px 20px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.comparison-table thead th { background: #f7f8fb; font-size: .82rem; color: #52586d; }
.comparison-table tbody td { font-size: .9rem; }
.comparison-table tbody td:first-child { font-weight: 800; }
.comparison-table tbody td:last-child { color: var(--primary-dark); font-weight: 750; }
.comparison-table tbody tr:last-child td { border-bottom: 0; }

.testimonial-section { background: #fafbfe; }
.testimonial-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.testimonial-card {
  margin: 0;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
}
.testimonial-card blockquote { margin: 0; font-size: 1rem; line-height: 1.65; color: #2e3449; }
.testimonial-card figcaption { margin-top: 24px; }
.testimonial-card strong, .testimonial-card span { display: block; }
.testimonial-card span { color: var(--muted); font-size: .8rem; margin-top: 2px; }

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, .7fr) minmax(500px, 1.3fr);
  gap: 84px;
  align-items: start;
}
.faq-intro { position: sticky; top: 110px; }
.faq-intro .btn { margin-top: 24px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary {
  position: relative;
  padding: 22px 44px 22px 0;
  cursor: pointer;
  list-style: none;
  font-weight: 800;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 20px;
  font-size: 1.4rem;
  color: var(--primary);
}
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: -4px 0 22px; color: var(--text); font-size: .94rem; max-width: 760px; }

.final-cta { padding-top: 36px; }
.final-cta-card {
  padding: 48px;
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: center;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 90% 20%, rgba(255,255,255,.14), transparent 25%),
    var(--primary);
  color: #fff;
}
.final-cta-card .eyebrow { color: #e1e0ff; }
.final-cta-card h2 { color: #fff; }
.final-cta-card p { margin: 10px 0 0; color: rgba(255,255,255,.76); }
.final-cta-actions { display: flex; gap: 10px; flex-shrink: 0; }

.resource-section { padding-top: 42px; }
.resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.resource-grid a {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.resource-grid a:hover { transform: translateY(-2px); border-color: #cdcdf7; box-shadow: var(--shadow-sm); }
.resource-grid span { color: var(--primary); font-size: .72rem; font-weight: 850; text-transform: uppercase; letter-spacing: .1em; }
.resource-grid h3 { margin: 12px 0 6px; }
.resource-grid p { margin: 0; color: var(--text); font-size: .9rem; }

.site-footer {
  margin-top: 40px;
  padding: 62px 0 24px;
  background: #0e1222;
  color: #fff;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr repeat(3, 1fr);
  gap: 50px;
}
.brand-footer { color: #fff; }
.footer-brand p { max-width: 330px; color: rgba(255,255,255,.62); font-size: .9rem; }
.footer-brand > a:last-child { color: #b9b7ff; font-size: .9rem; }
.footer-grid h2 { margin: 4px 0 15px; font-size: .86rem; }
.footer-grid > div:not(.footer-brand) a { display: block; margin: 10px 0; color: rgba(255,255,255,.62); font-size: .85rem; }
.footer-grid > div:not(.footer-brand) a:hover { color: #fff; }
.footer-bottom {
  margin-top: 48px;
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.48);
  font-size: .76rem;
}

@media (max-width: 1080px) {
  .primary-nav { gap: 17px; }
  .hero-grid { grid-template-columns: 1fr 1fr; gap: 42px; }
  .hero-copy h1 { font-size: clamp(2.7rem, 5vw, 4.4rem); }
  .problem-grid, .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-layout, .demo-layout, .calculator-layout { gap: 48px; }
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .nav-wrap { grid-template-columns: auto auto; justify-content: space-between; }
  .menu-toggle { display: flex; }
  .nav-actions { display: none; }
  .primary-nav {
    position: absolute;
    top: 76px;
    left: 20px;
    right: 20px;
    display: none;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: #fff;
    box-shadow: var(--shadow-md);
  }
  .primary-nav.is-open { display: grid; }
  .primary-nav a { padding: 11px; }
  .hero-grid,
  .feature-layout,
  .demo-layout,
  .calculator-layout,
  .faq-layout {
    grid-template-columns: 1fr;
  }
  .hero-grid { gap: 64px; }
  .hero-copy { text-align: center; }
  .hero-copy h1, .hero-lead { margin-inline: auto; }
  .hero-actions, .hero-points, .proof-tags { justify-content: center; }
  .faq-intro { position: static; }
  .client-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
  .final-cta-card { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, var(--container)); }
  .section { padding: 72px 0; }
  .hero { padding-top: 58px; }
  .hero-copy h1 { font-size: clamp(2.35rem, 12vw, 3.25rem); }
  .hero-lead { font-size: 1rem; }
  .hero-actions { display: grid; }
  .hero-actions .btn { width: 100%; }
  .hero-points { display: grid; gap: 7px; }
  .app-shell { transform: none; }
  .app-body { grid-template-columns: 44px 1fr; min-height: 360px; }
  .app-sidebar { padding-inline: 6px; }
  .app-content { padding: 15px; }
  .workflow-step { gap: 8px; padding: 12px 8px; }
  .workflow-step button { padding: 7px 8px; }
  .dashboard-row { gap: 6px; }
  .mini-stat { padding: 10px; }
  .floating-card { display: none; }
  .problem-grid,
  .steps-grid,
  .solutions-grid,
  .resource-grid,
  .calculator-results {
    grid-template-columns: 1fr;
  }
  .client-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-panel-footer { grid-template-columns: 1fr; }
  .feature-panel-footer div + div { border-left: 0; border-top: 1px solid var(--line); }
  .demo-card, .calculator-card { padding: 16px; }
  .certificate-preview { min-height: 270px; padding: 26px 16px; }
  .certificate-preview strong { font-size: 1.55rem; }
  .final-cta-card { padding: 32px 24px; }
  .final-cta-actions { width: 100%; flex-direction: column; }
  .final-cta-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; }
}


.answer-section {
  padding-top: 76px;
  padding-bottom: 76px;
  border-bottom: 1px solid var(--line);
}
.answer-layout {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(420px, 1.15fr);
  gap: 72px;
  align-items: start;
}
.answer-layout h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.answer-copy p {
  margin: 0;
  color: var(--text);
  font-size: 1.02rem;
}
.answer-copy p + p {
  margin-top: 18px;
}

.intent-section {
  background: #fff;
}
.intent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.intent-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
}
.intent-card h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.3;
}
.intent-card p {
  margin: 10px 0 18px;
  color: var(--text);
  font-size: .92rem;
}
.intent-card a {
  color: var(--primary);
  font-weight: 800;
  font-size: .84rem;
}

@media (max-width: 900px) {
  .answer-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .intent-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .intent-grid {
    grid-template-columns: 1fr;
  }
}