:root {
  color-scheme: light;
  --ink: #02000d;
  --blue: #07203f;
  --paper: #ebded4;
  --surface: #fbf7f2;
  --cream: #f4ece6;
  --accent: #a7654f;
  --gold: #c79070;
  --sage: #5d7668;
  --mid: #554f50;
  --light: rgba(2, 0, 13, 0.14);
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

section[id] {
  scroll-margin-top: 78px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  transform: translateY(-150%);
  padding: 10px 14px;
  color: var(--surface);
  background: var(--ink);
  border-radius: 2px;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: rgba(235, 222, 212, 0.92);
  border-bottom: 1px solid var(--light);
  backdrop-filter: blur(8px);
}

.nav-logo,
.footer-logo {
  font-family: "Caveat", cursive;
  font-size: 30px;
  font-weight: 700;
  color: var(--ink);
}

.nav-logo span,
.footer-logo span {
  color: var(--blue);
}

.nav-cta,
.hero-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--blue);
  color: var(--surface);
  border: 0;
  border-radius: 2px;
  font-family: "DM Sans", sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}

.nav-cta {
  min-height: 40px;
  padding: 0 22px;
}

.nav-cta:hover,
.hero-btn:hover {
  background: var(--ink);
}

.hero {
  min-height: 300vh;
  padding: 0 48px;
  position: relative;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(199, 144, 112, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(7, 32, 63, 0.09) 0%, transparent 50%);
}

.hero-inner,
.section-inner {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-inner {
  position: sticky;
  top: 0;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 100px 0 60px;
}

.hero-text h1 {
  margin-bottom: 22px;
  font-family: "DM Serif Display", Georgia, serif;
  font-size: clamp(38px, 5vw, 58px);
  font-weight: 400;
  line-height: 1.1;
}

.hero-text h1 em {
  color: var(--blue);
}

.hero-text p {
  max-width: 430px;
  margin-bottom: 36px;
  color: var(--mid);
  font-size: 17px;
  line-height: 1.7;
}

.hero-btn {
  min-height: 50px;
  padding: 0 32px;
  box-shadow: 0 4px 16px rgba(7, 32, 63, 0.22);
}

.hero-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(7, 32, 63, 0.28);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

.card-stage {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  --hero-progress: 0;
  --write-progress: 0;
  --insert-progress: 0;
  --card-hide: 0;
  --flap-open: 1;
  --flap-close: 0;
  --pen-progress: 0;
  --pen-visible: 0;
  --pen-x: 142px;
  --pen-y: 118px;
  --pen-rotate: -18deg;
  --tw1-progress: 0;
  --tw2-progress: 0;
  --tw3-progress: 0;
  --tw4-progress: 0;
  isolation: isolate;
}

.mail-scene {
  width: min(520px, 100%);
  height: auto;
  display: block;
  overflow: visible;
}

.mail-shadow {
  fill: rgba(2, 0, 13, 0.16);
  filter: blur(8px);
  opacity: calc(0.72 - var(--insert-progress) * 0.18);
  transform: scaleX(calc(1 - var(--insert-progress) * 0.12));
  transform-origin: 260px 420px;
}

.card-svg {
  transform-box: view-box;
  transform-origin: 260px 246px;
  transform:
    translateY(calc(-48px + var(--insert-progress) * 220px))
    rotate(calc(-2deg + var(--insert-progress) * 2deg));
  opacity: calc(1 - var(--card-hide));
}

.card-paper {
  fill: url(#paperGradient);
  stroke: rgba(2, 0, 13, 0.1);
  filter: url("#softPaperShadow");
}

.card-stamp {
  fill: var(--blue);
}

.card-stamp-text {
  fill: var(--surface);
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 22px;
  font-style: italic;
  text-anchor: middle;
}

.svg-writing {
  transform: translateY(calc((1 - var(--write-progress)) * 5px));
}

.svg-line {
  fill: var(--ink);
  font-family: "Caveat", cursive;
  font-size: 20px;
  font-weight: 700;
  opacity: calc(0.1 + var(--line-progress, 0) * 0.9);
  clip-path: inset(0 calc((1 - var(--line-progress, 0)) * 100%) 0 0);
}

.svg-line-2,
.svg-line-3 {
  fill: #332f31;
  font-size: 17px;
  font-weight: 600;
}

.svg-line-4 {
  fill: var(--blue);
}

.svg-line-1 {
  --line-progress: var(--tw1-progress);
}

.svg-line-2 {
  --line-progress: var(--tw2-progress);
}

.svg-line-3 {
  --line-progress: var(--tw3-progress);
}

.svg-line-4 {
  --line-progress: var(--tw4-progress);
}

.meta-line {
  stroke: rgba(2, 0, 13, 0.22);
  stroke-width: 1;
  opacity: calc(var(--write-progress) * 0.45);
}

.pen-svg {
  transform-box: view-box;
  transform-origin: 137px 0;
  transform:
    translate(
      calc(var(--pen-x) - 137px),
      var(--pen-y)
    )
    rotate(var(--pen-rotate));
  opacity: var(--pen-visible);
}

.pen-body-svg {
  stroke: var(--blue);
  stroke-width: 13;
  stroke-linecap: round;
  filter: drop-shadow(0 8px 10px rgba(2, 0, 13, 0.18));
}

.pen-tip-svg {
  fill: #d8c1a7;
  stroke: rgba(2, 0, 13, 0.18);
  stroke-width: 1;
}

.envelope-back-panel {
  fill: url(#envelopeBackGradient);
  stroke: rgba(2, 0, 13, 0.08);
}

.envelope-open-flap {
  fill: url(#envelopeFoldGradient);
  stroke: rgba(2, 0, 13, 0.08);
  opacity: var(--flap-open);
  transform-box: view-box;
  transform-origin: 260px 238px;
  transform:
    translateY(calc((1 - var(--flap-open)) * 22px))
    scaleY(calc(0.82 + var(--flap-open) * 0.18));
}

.envelope-front-panel {
  fill: url(#envelopeFaceGradient);
}

.envelope-left-fold {
  fill: #d5c4b6;
}

.envelope-right-fold {
  fill: #c9b7a8;
}

.envelope-bottom-fold {
  fill: #dccdc0;
}

.envelope-closed-flap {
  fill: url(#envelopeFoldGradient);
  stroke: rgba(2, 0, 13, 0.08);
  opacity: var(--flap-close);
  transform-box: view-box;
  transform-origin: 260px 238px;
  transform:
    translateY(calc((1 - var(--flap-close)) * -34px))
    scaleY(calc(0.5 + var(--flap-close) * 0.5));
}

.envelope-edge {
  fill: none;
  stroke: rgba(2, 0, 13, 0.1);
  stroke-width: 1;
}

.explainer {
  position: relative;
  overflow: hidden;
  padding: 110px 48px;
  background:
    linear-gradient(180deg, rgba(251, 247, 242, 0.82), rgba(235, 222, 212, 0.96)),
    var(--paper);
  color: var(--ink);
  border-top: 1px solid rgba(2, 0, 13, 0.08);
  border-bottom: 1px solid rgba(2, 0, 13, 0.08);
}

.roi {
  background: var(--ink);
  color: var(--paper);
  padding: 100px 48px;
}

.section-label,
.explainer-label,
.stats-label {
  margin-bottom: 16px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.stats-label {
  color: var(--blue);
}

.explainer-label {
  color: var(--blue);
}

.explainer h2,
.stats-section h2,
.comparison h2,
.use-cases h2,
.roi h2,
.final-cta h2 {
  font-family: "DM Serif Display", Georgia, serif;
  font-weight: 400;
  line-height: 1.15;
}

.explainer-head {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.65fr);
  gap: 70px;
  align-items: end;
  margin-bottom: 58px;
}

.explainer h2 {
  max-width: 680px;
  font-size: clamp(30px, 4vw, 46px);
}

.explainer h2 em {
  color: var(--blue);
}

.explainer-head p {
  color: var(--mid);
  font-size: 16px;
  line-height: 1.72;
}

.final-cta h2 em {
  color: var(--blue);
}

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid rgba(7, 32, 63, 0.18);
}

.step {
  display: grid;
  grid-template-columns: 110px minmax(220px, 0.6fr) minmax(0, 1fr);
  gap: 34px;
  align-items: baseline;
  padding: 30px 0;
  border-bottom: 1px solid rgba(7, 32, 63, 0.18);
}

.step-num {
  color: rgba(7, 32, 63, 0.3);
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 54px;
  line-height: 1;
}

.step h3 {
  color: var(--blue);
  font-size: 19px;
  font-weight: 600;
}

.step p {
  max-width: 560px;
  color: var(--mid);
  font-size: 15px;
  line-height: 1.72;
}

.stats-section,
.samples,
.use-cases {
  padding: 100px 48px;
  background: var(--paper);
}

.stats-section h2,
.comparison h2,
.samples h2,
.use-cases h2 {
  max-width: 620px;
  margin-bottom: 16px;
  font-size: clamp(28px, 4vw, 44px);
}

.stats-section > .section-inner > p {
  max-width: 520px;
  margin-bottom: 46px;
  color: var(--mid);
  font-size: 16px;
  line-height: 1.7;
}

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

.stat-card {
  position: relative;
  overflow: hidden;
  min-height: 235px;
  display: flex;
  flex-direction: column;
  padding: 30px;
  background: rgba(251, 247, 242, 0.54);
  border: 1px solid rgba(7, 32, 63, 0.1);
  border-radius: 6px;
  box-shadow: 0 12px 34px rgba(2, 0, 13, 0.04);
}

.stat-card.reveal {
  transform: translateY(24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease,
    box-shadow 0.2s ease;
}

.stat-card.reveal.is-visible {
  transform: translateY(0);
}

.stat-grid .stat-card:nth-child(2) {
  transition-delay: 70ms;
}

.stat-grid .stat-card:nth-child(3) {
  transition-delay: 140ms;
}

.stat-grid .stat-card:nth-child(4) {
  transition-delay: 210ms;
}

.stat-grid .stat-card:nth-child(5) {
  transition-delay: 280ms;
}

.stat-grid .stat-card:nth-child(6) {
  transition-delay: 350ms;
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 18px;
  right: 18px;
  width: 34px;
  height: 3px;
  background: var(--blue);
}

.stat-card.gold::before {
  background: var(--gold);
}

.stat-card.sage::before {
  background: var(--sage);
}

.stat-number {
  margin-bottom: 16px;
  color: var(--ink);
  font-family: "DM Serif Display", Georgia, serif;
  font-size: clamp(38px, 4.4vw, 56px);
  line-height: 1;
}

.stat-card.gold .stat-number {
  color: var(--gold);
}

.stat-card.sage .stat-number {
  color: var(--sage);
}

.stat-label {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
}

.stat-sub {
  color: var(--mid);
  font-size: 14px;
  line-height: 1.58;
}

.stat-source {
  margin-top: auto;
  padding-top: 20px;
  color: rgba(85, 79, 80, 0.62);
  font-size: 11px;
  font-style: italic;
}

.comparison {
  padding: 100px 48px;
  background: var(--cream);
}

.comparison h2 {
  margin-bottom: 48px;
}

.table-wrap {
  overflow-x: auto;
}

.compare-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 14px;
}

.compare-table th {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 2px solid var(--ink);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.compare-table th:first-child {
  width: 40%;
}

.compare-table td {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(2, 0, 13, 0.08);
  vertical-align: middle;
}

.compare-table tr:last-child td {
  border-bottom: 0;
}

.compare-table tbody tr {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease,
    background 0.2s ease;
}

.compare-table.is-visible tbody tr {
  opacity: 1;
  transform: translateY(0);
}

.compare-table.is-visible tbody tr:nth-child(1) {
  transition-delay: 60ms;
}

.compare-table.is-visible tbody tr:nth-child(2) {
  transition-delay: 120ms;
}

.compare-table.is-visible tbody tr:nth-child(3) {
  transition-delay: 180ms;
}

.compare-table.is-visible tbody tr:nth-child(4) {
  transition-delay: 240ms;
}

.compare-table.is-visible tbody tr:nth-child(5) {
  transition-delay: 300ms;
}

.compare-table.is-visible tbody tr:nth-child(6) {
  transition-delay: 360ms;
}

.compare-table.is-visible tbody tr:nth-child(7) {
  transition-delay: 420ms;
}

.check {
  color: var(--sage);
  font-weight: 700;
}

.cross {
  color: rgba(85, 79, 80, 0.62);
}

.col-us {
  background: rgba(7, 32, 63, 0.05);
}

.col-header-us {
  color: var(--blue);
}

.samples {
  position: relative;
  overflow: hidden;
  color: var(--surface);
  background:
    linear-gradient(135deg, rgba(2, 0, 13, 0.18), transparent 44%),
    var(--blue);
  border-top: 1px solid rgba(251, 247, 242, 0.14);
  border-bottom: 1px solid rgba(2, 0, 13, 0.18);
}

.samples-inner {
  display: grid;
  grid-template-columns: minmax(320px, 0.72fr) minmax(0, 1fr);
  gap: 84px;
  align-items: center;
}

.samples .stats-label {
  color: rgba(251, 247, 242, 0.68);
}

.samples-copy h2 {
  max-width: 500px;
  margin-bottom: 20px;
  font-family: "DM Serif Display", Georgia, serif;
  font-size: clamp(34px, 4vw, 50px);
  font-weight: 400;
  line-height: 1.15;
}

.samples-copy p {
  max-width: 475px;
  margin-bottom: 36px;
  color: rgba(251, 247, 242, 0.74);
  font-size: 16px;
  line-height: 1.7;
}

.samples .hero-btn {
  color: var(--blue);
  background: var(--surface);
  box-shadow: 0 12px 32px rgba(2, 0, 13, 0.22);
}

.samples .hero-btn:hover {
  color: var(--surface);
  background: var(--ink);
}

.samples-list {
  position: relative;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(251, 247, 242, 0.2);
}

.samples-list::before,
.samples-list::after {
  content: "";
  position: absolute;
  top: 30px;
  bottom: 30px;
  left: 36px;
  width: 1px;
}

.samples-list::before {
  background: rgba(251, 247, 242, 0.16);
}

.samples-list::after {
  transform: scaleY(0);
  transform-origin: top;
  background: var(--surface);
  transition: transform 0.9s ease 0.1s;
}

.samples-list.is-visible::after {
  transform: scaleY(1);
}

.sample-item {
  position: relative;
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 10px 28px;
  padding: 30px 0;
  border-bottom: 1px solid rgba(251, 247, 242, 0.2);
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease;
}

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

.sample-item:nth-child(2) {
  transition-delay: 100ms;
}

.sample-item:nth-child(3) {
  transition-delay: 200ms;
}

.sample-item span {
  color: rgba(251, 247, 242, 0.38);
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 46px;
  line-height: 1;
}

.sample-item h3 {
  margin-top: 6px;
  color: var(--surface);
  font-size: 19px;
  font-weight: 600;
}

.sample-item p {
  grid-column: 2;
  max-width: 520px;
  color: rgba(251, 247, 242, 0.68);
  font-size: 14px;
  line-height: 1.7;
}

.use-cases h2 {
  margin-bottom: 56px;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.case-card {
  position: relative;
  min-height: 260px;
  padding: 36px;
  border: 1px solid var(--light);
  border-radius: 3px;
}

.case-icon {
  display: block;
  margin-bottom: 16px;
  color: var(--blue);
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 32px;
}

.case-card h3 {
  margin-bottom: 10px;
  font-size: 18px;
  font-weight: 600;
}

.case-card p {
  color: var(--mid);
  font-size: 14px;
  line-height: 1.7;
}

.case-stat {
  display: inline-block;
  margin-top: 16px;
  padding: 6px 14px;
  color: var(--blue);
  background: var(--cream);
  border-radius: 2px;
  font-size: 12px;
  font-weight: 600;
}

.roi h2 {
  margin-bottom: 16px;
  font-size: clamp(28px, 4vw, 44px);
}

.roi > .section-inner > p {
  max-width: 500px;
  margin-bottom: 64px;
  color: rgba(235, 222, 212, 0.68);
  font-size: 16px;
  line-height: 1.7;
}

.roi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-bottom: 64px;
}

.roi-card {
  padding: 36px 28px;
  background: rgba(235, 222, 212, 0.06);
  border-top: 2px solid var(--gold);
}

.roi-num {
  margin-bottom: 8px;
  color: var(--gold);
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 42px;
}

.roi-label {
  color: rgba(235, 222, 212, 0.76);
  font-size: 13px;
  line-height: 1.5;
}

.roi-quote {
  margin-top: 40px;
  padding: 24px 32px;
  background: rgba(235, 222, 212, 0.04);
  border-left: 3px solid var(--gold);
}

.roi-quote blockquote {
  margin-bottom: 16px;
  color: rgba(251, 247, 242, 0.88);
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 20px;
  font-style: italic;
  line-height: 1.6;
}

.roi-quote cite {
  color: var(--gold);
  font-size: 13px;
  font-style: normal;
}

.final-cta {
  padding: 100px 48px;
  background: var(--cream);
}

.final-cta .section-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 0.62fr);
  gap: 80px;
  align-items: center;
}

.final-cta h2 {
  max-width: 680px;
  font-size: clamp(36px, 5vw, 58px);
}

.final-cta p {
  margin-bottom: 24px;
  color: var(--mid);
  font-size: 17px;
  line-height: 1.7;
}

.phone-big {
  display: inline-flex;
  align-items: center;
  min-height: 52px;
  margin-bottom: 12px;
  color: var(--blue);
  font-family: "DM Sans", system-ui, sans-serif;
  font-size: 18px;
  font-weight: 700;
  transition: color 0.2s ease;
}

.phone-big:hover {
  color: var(--ink);
}

.phone-label {
  color: rgba(85, 79, 80, 0.74);
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 30px;
  background: rgba(251, 247, 242, 0.68);
  border: 1px solid rgba(7, 32, 63, 0.14);
  border-radius: 6px;
  box-shadow: 0 18px 50px rgba(2, 0, 13, 0.08);
}

.form-row {
  display: grid;
  gap: 7px;
}

.form-row label {
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.form-row input,
.form-row select {
  width: 100%;
  min-height: 46px;
  padding: 0 13px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid rgba(7, 32, 63, 0.18);
  border-radius: 3px;
  font: inherit;
  font-size: 15px;
}

.form-row input:focus,
.form-row select:focus {
  outline: 2px solid rgba(7, 32, 63, 0.28);
  outline-offset: 2px;
  border-color: var(--blue);
}

.form-submit {
  min-height: 50px;
  margin-top: 6px;
  color: var(--surface);
  background: var(--blue);
  border: 0;
  border-radius: 3px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, box-shadow 0.15s ease;
}

.form-submit:hover {
  transform: translateY(-1px);
  background: var(--ink);
  box-shadow: 0 10px 24px rgba(7, 32, 63, 0.18);
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px 48px;
  color: rgba(235, 222, 212, 0.5);
  background: var(--ink);
  font-size: 13px;
}

.footer-logo {
  color: rgba(251, 247, 242, 0.78);
  font-size: 24px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 900px) {
  .site-nav {
    padding: 16px 24px;
  }

  .explainer,
  .stats-section,
  .comparison,
  .samples,
  .use-cases,
  .roi,
  .final-cta {
    padding: 80px 24px;
  }

  .hero {
    min-height: 300vh;
    padding: 0 24px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    min-height: 100vh;
    padding: 92px 0 36px;
  }

  .card-stage {
    min-height: 360px;
    margin-top: 10px;
  }

  .explainer-head {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 42px;
  }

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

  .step {
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 18px 24px;
  }

  .step p {
    grid-column: 2;
  }

  .stat-grid,
  .roi-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .samples-inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .final-cta .section-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
  }
}

@media (max-width: 620px) {
  .nav-logo {
    font-size: 26px;
  }

  .nav-cta {
    min-height: 36px;
    padding: 0 14px;
    font-size: 13px;
  }

  .explainer,
  .stats-section,
  .comparison,
  .samples,
  .use-cases,
  .roi,
  .final-cta {
    padding-right: 20px;
    padding-left: 20px;
  }

  .hero {
    padding-right: 20px;
    padding-left: 20px;
  }

  .card-stage {
    min-height: 340px;
    margin-top: 8px;
    margin-bottom: 0;
  }

  .explainer-head {
    margin-bottom: 34px;
  }

  .step {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 26px 0;
  }

  .step-num {
    font-size: 40px;
  }

  .step p {
    grid-column: auto;
  }

  .stat-grid,
  .roi-grid {
    grid-template-columns: 1fr;
  }

  .stat-card,
  .sample-item,
  .case-card,
  .roi-card {
    min-height: auto;
    padding: 26px 22px;
  }

  .sample-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding-right: 0;
    padding-left: 0;
  }

  .sample-item span {
    font-size: 38px;
  }

  .sample-item p {
    grid-column: auto;
  }

  .final-cta {
    padding-top: 82px;
    padding-bottom: 82px;
  }

  .contact-form {
    padding: 22px;
  }

  .phone-big {
    min-height: auto;
    font-size: 16px;
  }
}