@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700&family=Playfair+Display:ital,wght@1,600&display=swap");

:root {
  --ink: #111713;
  --ink-soft: #4e5851;
  --paper: #f7f6ef;
  --paper-deep: #efeee5;
  --white: #fffef9;
  --lime: #dfff65;
  --lime-strong: #c9f33f;
  --mint: #c6f1d5;
  --line: rgba(17, 23, 19, 0.15);
  --serif: "Playfair Display", Georgia, serif;
  --sans: "Manrope", "DM Sans", system-ui, sans-serif;
  --shadow: 0 30px 80px rgba(19, 34, 25, 0.12);
  --radius: 30px;
  color-scheme: light;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

img,
svg { display: block; }

a { color: inherit; }

button,
a { -webkit-tap-highlight-color: transparent; }

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

.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: 1000;
  top: 12px;
  left: 12px;
  transform: translateY(-200%);
  background: var(--lime);
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 700;
}

.skip-link:focus { transform: none; }

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease, backdrop-filter 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(247, 246, 239, 0.9);
  border-color: var(--line);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1;
  text-decoration: none;
}

.brand-logo,
.product-brand-logo {
  width: 39px;
  height: 39px;
  flex: 0 0 auto;
}

.product-brand-logo {
  border-radius: 11px;
  box-shadow: 0 7px 18px rgba(17, 23, 19, 0.12);
}

.brand-wordmark { white-space: nowrap; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.site-nav > a:not(.button) {
  position: relative;
  color: #303832;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.site-nav > a:not(.button)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -7px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

.site-nav > a:not(.button):hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
}

.menu-button > span:not(.sr-only) {
  display: block;
  width: 23px;
  height: 2px;
  margin: 6px auto;
  background: var(--ink);
  transition: transform 0.2s ease;
}

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover { transform: translateY(-2px); }

.button svg {
  width: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.button-small {
  min-height: 40px;
  padding-inline: 18px;
}

.button-dark {
  background: var(--ink);
  color: var(--white);
}

.button-primary {
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 22px 44px rgba(17, 23, 19, 0.2);
}

.button.button-primary,
.prose a.button.button-primary {
  color: var(--white);
}

.button-light {
  background: var(--white);
  color: var(--ink);
}

.play-store-button {
  min-height: 64px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 8px 20px 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  background: #070b08;
  color: var(--white);
  box-shadow: 0 22px 44px rgba(17, 23, 19, 0.22);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.play-store-button:hover {
  background: #101612;
  box-shadow: 0 26px 54px rgba(17, 23, 19, 0.28);
  transform: translateY(-2px);
}

.play-store-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, #3ddc84 0%, #4285f4 48%, #ea4335 100%);
}

.play-store-mark > span {
  width: 0;
  height: 0;
  margin-left: 3px;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  border-left: 15px solid #ffffff;
}

.play-store-copy {
  display: grid;
  gap: 1px;
  line-height: 1;
}

.play-store-copy small {
  color: rgba(255, 255, 255, 0.74);
  font-size: 11px;
  font-weight: 700;
}

.play-store-copy strong {
  color: #ffffff;
  font-size: 20px;
  font-weight: 800;
}

.text-link {
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: 7px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 144px 0 38px;
}

.hero-grid {
  min-height: 710px;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
  align-items: center;
  gap: 64px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  color: #425047;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 7px rgba(223, 255, 101, 0.24);
}

h1,
h2,
h3,
p { margin-top: 0; }

h1 {
  margin-bottom: 24px;
  font-size: clamp(54px, 7.2vw, 112px);
  line-height: 0.94;
  letter-spacing: 0;
}

h1 em,
h2 em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 600;
}

.hero-intro {
  max-width: 560px;
  margin-bottom: 34px;
  color: var(--ink-soft);
  font-size: 19px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.pdftoolkit-hero {
  background:
    radial-gradient(circle at 83% 23%, rgba(198, 241, 213, 0.72), transparent 27%),
    radial-gradient(circle at 77% 38%, rgba(223, 255, 101, 0.24), transparent 30%),
    linear-gradient(180deg, #f9f8f2 0%, var(--paper) 100%);
}

.pdftoolkit-hero .hero-grid {
  grid-template-columns: 0.93fr 1.07fr;
}

.pdftoolkit-visual {
  position: relative;
  height: 650px;
  min-height: 0;
}

.pdftoolkit-visual::before {
  display: none;
}

.app-icon-float {
  position: absolute;
  z-index: 4;
  top: 69px;
  left: 0;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 12px 18px 12px 12px;
  border: 1px solid rgba(17, 23, 19, 0.1);
  border-radius: 21px;
  background: rgba(255, 254, 249, 0.94);
  box-shadow: 0 24px 55px rgba(25, 43, 31, 0.15);
  backdrop-filter: blur(12px);
}

.app-icon-float img {
  width: 55px;
  height: 55px;
  border-radius: 15px;
}

.app-icon-float span,
.float-note p {
  display: grid;
  gap: 4px;
  margin: 0;
}

.app-icon-float b,
.float-note b {
  font-size: 15px;
  line-height: 1;
}

.app-icon-float b {
  margin-bottom: 4px;
  font-size: 12px;
}

.app-icon-float small,
.float-note small {
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 600;
}

.app-icon-float small {
  color: #79827b;
  font-size: 9px;
}

.product-phone {
  position: absolute;
  z-index: 3;
  top: 3px;
  left: 50%;
  width: 288px;
  height: 614px;
  padding: 9px;
  overflow: hidden;
  border: 2px solid #171d19;
  border-radius: 44px;
  background: #111714;
  box-shadow: 0 45px 85px rgba(23, 39, 28, 0.25), 0 8px 0 #090d0a;
  transform: translateX(-50%) rotate(3deg);
}

.hero-phone {
  transform: translateX(-50%) rotate(3deg);
}

.product-phone::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 34px;
  pointer-events: none;
}

.product-phone-back {
  position: absolute;
  z-index: 2;
  right: 40px;
  width: min(270px, 38vw);
  transform: rotate(8deg) translateX(36px);
  opacity: 0.78;
}

.product-phone img,
.showcase-phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 34px;
}

.product-phone-camera {
  position: absolute;
  z-index: 4;
  top: 17px;
  left: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #101612;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.09);
  transform: translateX(-50%);
}

.paper-float {
  position: absolute;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 82px;
  height: 104px;
  border: 1px solid rgba(17, 23, 19, 0.13);
  border-radius: 18px;
  background: rgba(255, 254, 249, 0.82);
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 20px 50px rgba(17, 23, 19, 0.12);
}

.paper-a {
  right: 28px;
  top: 110px;
  transform: rotate(10deg);
}

.paper-b {
  left: 42px;
  bottom: 164px;
  transform: rotate(-8deg);
}

.paper-c {
  right: 100px;
  bottom: 72px;
  transform: rotate(6deg);
}

.pdf-orbit {
  position: absolute;
  z-index: 1;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(17, 23, 19, 0.14);
  border-radius: 50%;
  color: #60736a;
  font-family: var(--serif);
  font-size: 16px;
  font-style: italic;
  font-weight: 600;
}

.orbit-a {
  top: 18px;
  right: 22px;
}

.orbit-b {
  right: 38px;
  bottom: 47px;
  width: 86px;
  height: 86px;
  background: rgba(223, 255, 101, 0.28);
}

.orbit-c {
  bottom: 120px;
  left: 58px;
  width: 48px;
  height: 48px;
  font-size: 13px;
}

.float-note {
  position: absolute;
  z-index: 4;
  right: -4px;
  bottom: 92px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px 15px 15px;
  border: 1px solid rgba(17, 23, 19, 0.12);
  border-radius: 24px;
  background: rgba(255, 254, 249, 0.86);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.float-note > span {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--mint);
  font-size: 15px;
  font-weight: 800;
}

.proof-strip {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
}

.proof-strip p {
  margin: 0;
  color: #425047;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.proof-strip ul {
  display: flex;
  gap: 30px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.proof-strip li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
}

.proof-strip span { color: #8cb800; }

.section {
  padding: 112px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-heading h2,
.design-copy h2,
.trust-card h2,
.contact-inner h2,
.page-hero h1,
.not-found h1 {
  margin-bottom: 18px;
  font-size: clamp(42px, 5.6vw, 74px);
  line-height: 0.98;
  letter-spacing: 0;
}

.section-heading p,
.design-copy p,
.trust-copy p,
.page-intro {
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.75;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.principle-card,
.tool-card,
.support-card,
.contact-card,
.notice {
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.principle-card {
  min-height: 360px;
  padding: 28px;
  border-radius: var(--radius);
}

.feature-grid {
  align-items: stretch;
}

.feature-card {
  display: flex;
  min-height: 390px;
  flex-direction: column;
  border-top: 5px solid #e53935;
}

.feature-card:nth-child(2) { border-top-color: #2d9cdb; }
.feature-card:nth-child(3) { border-top-color: #8f63e6; }
.feature-card:nth-child(4) { border-top-color: #f2a33a; }
.feature-card:nth-child(5) { border-top-color: #2f9d68; }
.feature-card:nth-child(6) { border-top-color: #3d65d8; }

.card-accent { background: #111713; color: var(--white); }
.card-accent p,
.card-accent .card-number { color: rgba(255, 254, 249, 0.7); }

.card-number {
  display: block;
  margin-bottom: 34px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 800;
}

.principle-card h3,
.tool-card h3,
.support-card h2 {
  margin-bottom: 12px;
  font-size: 24px;
  line-height: 1.15;
}

.principle-card p,
.tool-card p,
.support-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.feature-points {
  display: grid;
  gap: 9px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.feature-points li {
  position: relative;
  padding-left: 20px;
  color: #27312a;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
}

.feature-points li::before {
  content: "";
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #e53935;
  transform: translateY(-50%);
}

.feature-card:nth-child(2) .feature-points li::before { background: #2d9cdb; }
.feature-card:nth-child(3) .feature-points li::before { background: #8f63e6; }
.feature-card:nth-child(4) .feature-points li::before { background: #f2a33a; }
.feature-card:nth-child(5) .feature-points li::before { background: #2f9d68; }
.feature-card:nth-child(6) .feature-points li::before { background: #3d65d8; }

.pdf-feature-icon {
  position: relative;
  width: 84px;
  height: 84px;
  margin-bottom: 34px;
  border-radius: 24px;
  background: var(--lime);
}

.read-icon { background: var(--mint); }
.sign-icon { background: #f7dfba; }
.convert-icon { background: #d8e7ff; }
.sync-icon { background: #d8f2ea; }

.pdf-feature-icon::before,
.pdf-feature-icon::after {
  content: "";
  position: absolute;
  inset: 18px 22px;
  border: 3px solid var(--ink);
  border-radius: 8px;
}

.scan-icon::after {
  inset: 28px 12px;
  border-radius: 4px;
  transform: rotate(-8deg);
}

.read-icon::after {
  inset: 23px;
  border-radius: 50%;
}

.sign-icon::after {
  inset: auto 16px 20px 16px;
  height: 20px;
  border-width: 0 0 4px 0;
  border-radius: 50%;
  transform: rotate(-8deg);
}

.convert-icon::after {
  inset: 20px;
  border-width: 3px 3px 0 0;
  border-radius: 3px;
  transform: rotate(45deg);
}

.sync-icon::before {
  inset: 24px 16px;
  border-width: 3px 0 0 3px;
  border-radius: 50%;
}

.sync-icon::after {
  inset: 26px 16px;
  border-width: 0 3px 3px 0;
  border-radius: 50%;
}

.suite-section {
  background: var(--paper-deep);
}

.tool-showcase {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
  gap: 42px;
  align-items: center;
}

.showcase-phone {
  position: relative;
  width: min(360px, 100%);
  aspect-ratio: 9 / 16;
  overflow: hidden;
  border: 10px solid #111713;
  border-radius: 36px;
  background: #111713;
  box-shadow: 0 36px 100px rgba(17, 23, 19, 0.22);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.tool-card {
  min-height: 190px;
  padding: 24px;
  border-radius: 26px;
}

.tool-card span {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 24px;
  border-radius: 50%;
  background: var(--lime);
  font-size: 12px;
  font-weight: 800;
}

.design-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 0.8fr);
  gap: 72px;
  align-items: center;
}

.check-list {
  display: grid;
  gap: 16px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  gap: 12px;
  color: var(--ink-soft);
  font-weight: 700;
}

.check-list span {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink);
}

.document-panel {
  padding: 30px;
  border-radius: var(--radius);
  background: #111713;
  box-shadow: var(--shadow);
}

.document-sheet {
  min-height: 440px;
  padding: 34px;
  border-radius: 22px;
  background: var(--white);
  color: var(--ink);
}

.document-sheet small {
  display: block;
  margin-bottom: 42px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.document-sheet p {
  margin-bottom: 110px;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.2;
}

.document-sheet strong {
  display: block;
  margin-bottom: 18px;
  color: #1f3124;
  font-family: var(--serif);
  font-size: 31px;
  font-style: italic;
  font-weight: 600;
}

.document-sheet span {
  display: block;
  height: 2px;
  width: 70%;
  background: rgba(17, 23, 19, 0.24);
}

.mini-toolbar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 16px;
}

.mini-toolbar b {
  display: grid;
  place-items: center;
  min-height: 44px;
  border-radius: 999px;
  background: rgba(255, 254, 249, 0.12);
  color: var(--white);
  font-size: 12px;
}

.trust-section {
  padding-top: 0;
}

.trust-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 0.7fr);
  gap: 48px;
  padding: 54px;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
}

.trust-card .eyebrow,
.trust-copy p {
  color: rgba(255, 254, 249, 0.72);
}

.contact-band {
  padding: 86px 0;
  background: var(--lime);
}

.contact-inner {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: center;
}

.site-footer {
  padding: 64px 0 28px;
  background: var(--ink);
  color: var(--white);
}

.brand-light { color: var(--white); }

.footer-top,
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 32px;
}

.footer-top {
  align-items: flex-start;
  padding-bottom: 42px;
  border-bottom: 1px solid rgba(255, 254, 249, 0.16);
}

.footer-top p,
.footer-bottom p {
  margin: 0;
  color: rgba(255, 254, 249, 0.68);
  line-height: 1.65;
}

.footer-top nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.footer-top nav a {
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.footer-bottom {
  padding-top: 24px;
  font-size: 13px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-short { transition-delay: 0.08s; }
.reveal-delay { transition-delay: 0.16s; }

.inner-page .site-header {
  position: sticky;
}

.page-hero {
  padding: 94px 0 70px;
}

.page-hero .shell {
  max-width: 970px;
}

.page-meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.page-meta span {
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--white);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
}

.content-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 72px;
  align-items: start;
  padding-bottom: 110px;
}

.content-nav {
  position: sticky;
  top: 110px;
  display: grid;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--white);
}

.content-nav p {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.content-nav a {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.prose {
  max-width: 800px;
}

.prose h2 {
  margin: 42px 0 16px;
  font-size: 30px;
  line-height: 1.18;
}

.prose h2:first-child { margin-top: 0; }

.prose p,
.prose li {
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.82;
}

.prose a {
  color: var(--ink);
  font-weight: 800;
}

.notice,
.contact-card {
  padding: 24px;
  border-radius: 24px;
}

.notice p,
.contact-card p { margin: 0; }

.contact-card {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  margin: 28px 0;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 34px;
}

.support-card {
  padding: 24px;
  border-radius: 24px;
}

.support-card span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 24px;
  border-radius: 50%;
  background: var(--lime);
  font-weight: 800;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item button {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 22px 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 18px;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.faq-item button span {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--lime);
}

.faq-item button[aria-expanded="true"] span {
  transform: rotate(45deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.25s ease;
}

.faq-answer > div {
  overflow: hidden;
}

.faq-answer p {
  margin: 0;
  padding: 0 44px 24px 0;
}

.faq-item button[aria-expanded="true"] + .faq-answer {
  grid-template-rows: 1fr;
}

.not-found {
  min-height: 100vh;
  display: grid;
  align-items: center;
}

@media (max-width: 980px) {
  .hero-grid,
  .tool-showcase,
  .design-grid,
  .trust-card {
    grid-template-columns: 1fr;
  }

  .pdftoolkit-hero .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: 0;
  }

  .pdftoolkit-visual {
    width: min(620px, 100%);
    margin-inline: auto;
  }

  .principle-grid,
  .tool-grid {
    grid-template-columns: 1fr;
  }

  .content-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .content-nav {
    position: static;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 32px, 1180px);
  }

  .nav-wrap {
    height: 74px;
  }

  .menu-button {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 74px 16px auto 16px;
    display: grid;
    gap: 4px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: var(--white);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav > a:not(.button),
  .site-nav .button {
    width: 100%;
    justify-content: flex-start;
    padding: 14px;
  }

  .hero {
    padding-top: 112px;
  }

  h1,
  .section-heading h2,
  .design-copy h2,
  .trust-card h2,
  .contact-inner h2,
  .page-hero h1,
  .not-found h1 {
    font-size: 46px;
  }

  .hero-intro,
  .section-heading p,
  .design-copy p,
  .trust-copy p,
  .page-intro {
    font-size: 16px;
  }

  .hero-intro {
    max-width: 34ch;
  }

  .pdftoolkit-visual {
    height: 590px;
  }

  .product-phone {
    width: 256px;
    height: 546px;
  }

  .product-phone-back {
    display: none;
  }

  .app-icon-float {
    top: 55px;
    left: -8px;
    padding-right: 13px;
  }

  .app-icon-float img {
    width: 44px;
    height: 44px;
  }

  .float-note {
    right: -12px;
    bottom: 52px;
    left: auto;
    width: auto;
    transform: none;
  }

  .pdf-orbit,
  .paper-a,
  .paper-c {
    display: none;
  }

  .proof-strip,
  .contact-inner,
  .footer-top,
  .footer-bottom,
  .contact-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .proof-strip ul {
    flex-direction: column;
    gap: 12px;
  }

  .section {
    padding: 78px 0;
  }

  .principle-card {
    min-height: auto;
  }

  .document-panel,
  .trust-card {
    padding: 24px;
  }

  .document-sheet {
    min-height: 360px;
    padding: 24px;
  }

  .mini-toolbar {
    grid-template-columns: repeat(2, 1fr);
  }

  .support-grid {
    grid-template-columns: 1fr;
  }

  .page-hero {
    padding-top: 72px;
  }
}

@media (max-width: 420px) {
  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .button,
  .play-store-button {
    width: 100%;
  }

  h1,
  .section-heading h2,
  .design-copy h2,
  .trust-card h2,
  .contact-inner h2,
  .page-hero h1,
  .not-found h1 {
    font-size: 40px;
  }

  .pdftoolkit-visual {
    height: 560px;
  }

  .hero-phone {
    width: 246px;
    height: 524px;
  }

  .app-icon-float {
    left: 0;
  }

  .app-icon-float span {
    display: none;
  }

  .float-note {
    right: 0;
    max-width: 188px;
  }

  .float-note small {
    max-width: 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}