@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../fonts/plus-jakarta-sans-latin.woff2') format('woff2');
}

/* Arial ajustada às métricas da Plus Jakarta Sans: a troca de fonte não desloca o layout. */
@font-face {
  font-family: 'Plus Jakarta Sans Fallback';
  src: local('Arial');
  size-adjust: 105.07%;
  ascent-override: 98.79%;
  descent-override: 21.13%;
  line-gap-override: 0%;
}

:root {
  --brand: #f15a24;
  --brand-dark: #c94818;
  --brand-text: #b8400f;
  /* Tom do laranja com contraste mínimo de 4,5:1 para texto branco. */
  --cta: #cc4510;
  --cta-hover: #b03a0c;
  --brand-50: #fff4ed;
  --brand-100: #ffe4d5;
  --brand-200: #fed7aa;
  --amber: #ffb300;

  --wa: #25d366;
  --wa-ink: #0b1f14;
  --wa-bubble: #d9fdd3;
  --wa-wall: #efeae2;

  --ink: #111827;
  --ink-2: #374151;
  --muted: #4b5563;
  --muted-2: #6b7280;
  --line: #e5e7eb;
  --line-soft: #f1f5f9;
  --bg: #ffffff;
  --bg-alt: #f8fafc;

  --success: #047857;
  --success-bg: #ecfdf5;

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-soft: 0 10px 30px -12px rgba(17, 24, 39, 0.1), 0 2px 6px -2px rgba(17, 24, 39, 0.04);
  --shadow-lift: 0 24px 48px -20px rgba(17, 24, 39, 0.22), 0 0 0 1px rgba(17, 24, 39, 0.04);

  --container: 1200px;
  --header-h: 72px;
  --font: 'Plus Jakarta Sans', 'Plus Jakarta Sans Fallback', system-ui, -apple-system, 'Segoe UI', Roboto, Arial,
    sans-serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
}

p {
  margin: 0;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 3px;
  border-radius: 6px;
}

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

.skip-link {
  position: absolute;
  left: 16px;
  top: -64px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 12px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon--fill {
  fill: currentColor;
  stroke: none;
}

.icon--sm {
  width: 16px;
  height: 16px;
}

.icon--lg {
  width: 24px;
  height: 24px;
}

/* Botões */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border: 0;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 700;
  font-size: 16px;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color 0.18s ease,
    transform 0.18s ease,
    box-shadow 0.18s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-wa {
  background: var(--cta);
  color: #fff;
  box-shadow: 0 10px 24px -12px rgba(204, 69, 16, 0.55);
}

.btn-wa:hover {
  background: var(--cta-hover);
}

.btn-sm {
  padding: 10px 16px;
  font-size: 14px;
  border-radius: 10px;
  box-shadow: none;
}

.btn-lg {
  padding: 18px 32px;
  font-size: 17px;
}

.btn-block {
  width: 100%;
}

.btn-ghost {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: none;
}

.btn-ghost:hover {
  background: var(--bg-alt);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand img {
  width: auto;
  height: 34px;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}

.nav a:hover {
  color: var(--ink);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.link-login {
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
}

.link-login:hover {
  color: var(--brand-text);
}

/* Seções */

.section {
  padding: 96px 0;
}

.section--alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head h2,
.h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 800;
}

.section-head .lead {
  margin-top: 16px;
  font-size: 18px;
  color: var(--muted);
}

.kicker {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-text);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  padding: 6px 14px;
  border: 1px solid var(--brand-200);
  border-radius: 999px;
  background: var(--brand-50);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brand-text);
}

.eyebrow::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
}

/* Hero */

.hero {
  position: relative;
  padding: 72px 0 112px;
  overflow: hidden;
  background:
    radial-gradient(60% 50% at 85% 10%, rgba(241, 90, 36, 0.08), transparent 70%),
    radial-gradient(40% 40% at 0% 100%, rgba(255, 179, 0, 0.06), transparent 70%),
    var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 64px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(34px, 4.6vw, 54px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero h1 .accent {
  color: var(--brand);
}

.hero-sub {
  margin-top: 24px;
  max-width: 560px;
  font-size: 19px;
  color: var(--muted);
}

.hero-actions {
  margin-top: 36px;
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
}

.hero-note .icon {
  color: var(--success);
}

.hero-visual {
  position: relative;
  padding-bottom: 210px;
}

.hero-visual .browser {
  width: 128%;
}

.browser {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-lift);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: #f3f4f6;
}

.browser-dots {
  display: flex;
  gap: 6px;
}

.browser-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #fb7185;
}

.browser-dots span:nth-child(2) {
  background: #fbbf24;
}

.browser-dots span:nth-child(3) {
  background: #34d399;
}

.browser-url {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  max-width: 280px;
  margin: 0 auto;
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font-size: 12px;
  color: var(--muted-2);
  justify-content: center;
}

.browser img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top left;
}

.chat-card {
  position: absolute;
  left: -40px;
  bottom: 0;
  width: min(340px, 64%);
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-lift);
}

.chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.chat-who {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-avatar {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--wa);
  color: var(--wa-ink);
}

.chat-name {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
}

.chat-status {
  font-size: 12px;
  font-weight: 500;
  color: var(--success);
}

.badge-demo {
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--brand-50);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand-text);
}

.chat-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  line-height: 1.4;
}

.bubble {
  max-width: 85%;
  padding: 8px 12px;
  border-radius: 14px;
  box-shadow: 0 1px 1px rgba(17, 24, 39, 0.06);
}

.bubble small {
  display: block;
  margin-top: 2px;
  font-size: 11px;
  text-align: right;
  color: var(--muted);
}

.bubble--in {
  align-self: flex-start;
  border-top-left-radius: 4px;
  background: #f3f4f6;
}

.bubble--out {
  align-self: flex-end;
  border-top-right-radius: 4px;
  background: var(--wa-bubble);
}

.bubble-label {
  display: block;
  margin-bottom: 2px;
  font-size: 11px;
  font-weight: 700;
  color: var(--success);
}

.chat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: center;
  margin-top: 4px;
  padding: 6px 12px;
  border: 1px solid #a7f3d0;
  border-radius: 999px;
  background: var(--success-bg);
  font-size: 13px;
  font-weight: 600;
  color: var(--success);
}

.chat-chip--brand {
  border-color: var(--brand-200);
  background: var(--brand-50);
  color: var(--brand-text);
}

/* Cartões */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.card h3 {
  margin-bottom: 10px;
  font-size: 19px;
  font-weight: 700;
}

.card p {
  font-size: 15px;
  color: var(--muted);
}

.icon-box {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
  border-radius: var(--radius);
  background: var(--brand-50);
  color: var(--brand);
}

.icon-box .icon {
  width: 24px;
  height: 24px;
}

.transition-line {
  margin-top: 48px;
  text-align: center;
}

.transition-line a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
}

.transition-line a .icon {
  color: var(--brand);
  transition: transform 0.18s;
}

.transition-line a:hover .icon {
  transform: translateX(4px);
}

/* Demonstração em passos */

.demo {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 56px;
  align-items: center;
}

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

.demo-step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
}

.demo-step-num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--brand-50);
  font-weight: 800;
  color: var(--brand-text);
}

.demo-step h3 {
  margin-bottom: 4px;
  font-size: 17px;
  font-weight: 700;
}

.demo-step p {
  font-size: 15px;
  color: var(--muted);
}

.demo-window {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow-lift);
}

.demo-window .chat-head {
  margin: 0;
  padding: 14px 18px;
}

.demo-window .chat-body {
  min-height: 420px;
  padding: 20px 18px;
  background: var(--wa-wall);
}

.demo-window .bubble--in {
  background: #fff;
}

.demo-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--muted-2);
}

.demo-replay {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
}

.demo-replay:hover {
  background: var(--bg-alt);
}

.js .demo [data-step] {
  opacity: 0;
  transform: translateY(8px);
}

.js .demo.is-playing [data-step] {
  animation: demo-in 0.45s ease forwards;
  animation-delay: calc(var(--d, 0) * 1s);
}

.js .demo.is-playing .demo-step {
  animation: step-on 0.4s ease forwards;
  animation-delay: calc(var(--d, 0) * 1s);
}

@keyframes demo-in {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes step-on {
  to {
    border-color: var(--brand-200);
    box-shadow: var(--shadow-soft);
  }
}

.video-slot {
  margin-top: 16px;
  font-size: 13px;
  color: var(--muted-2);
  text-align: center;
}

/* Benefícios */

.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
}

.chips li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
}

.chips .icon {
  color: var(--brand);
}

.chips-label {
  margin-top: 48px;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  color: var(--muted);
}

.chips-label + .chips {
  margin-top: 16px;
}

/* Capturas */

.shot {
  display: flex;
  flex-direction: column;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.shot-frame {
  padding: 12px 12px 0;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line);
}

.shot-frame img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top left;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 10px 10px 0 0;
}

.shot figcaption {
  padding: 20px 22px 24px;
}

.shot h3 {
  margin-bottom: 6px;
  font-size: 17px;
  font-weight: 700;
}

.shot p {
  font-size: 15px;
  color: var(--muted);
}

/* Oferta */

.offer {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  max-width: 980px;
  margin: 72px auto 0;
  padding: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow-lift);
}

.offer h2 {
  margin-bottom: 24px;
  font-size: clamp(24px, 2.6vw, 30px);
  font-weight: 800;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-2);
}

.check-list .icon {
  margin-top: 2px;
  color: var(--success);
}

.offer-aside {
  padding: 32px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-alt);
  text-align: center;
}

.offer-aside .icon-box {
  margin: 0 auto 16px;
}

.offer-aside p {
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.offer-aside .small {
  margin-bottom: 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
}

/* FAQ */

.faq {
  display: grid;
  gap: 14px;
  max-width: 820px;
  margin: 0 auto;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  transition: box-shadow 0.18s;
}

.faq details[open] {
  box-shadow: var(--shadow-soft);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  font-size: 17px;
  font-weight: 700;
  list-style: none;
  cursor: pointer;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary .icon {
  color: var(--muted-2);
  transition: transform 0.2s;
}

.faq details[open] summary .icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 24px 24px;
  font-size: 16px;
  color: var(--muted);
}

.faq-answer p + p {
  margin-top: 10px;
}

/* Fechamento */

.closing-card {
  position: relative;
  overflow: hidden;
  max-width: 980px;
  margin: 0 auto;
  padding: 72px 40px;
  border: 1px solid var(--brand-200);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, #fff7ed 0%, #fff 50%, #ffedd5 100%);
  text-align: center;
}

.closing-card::before,
.closing-card::after {
  content: '';
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

.closing-card::before {
  top: -120px;
  right: -100px;
  background: rgba(241, 90, 36, 0.14);
}

.closing-card::after {
  bottom: -140px;
  left: -100px;
  background: rgba(255, 179, 0, 0.14);
}

.closing-card > * {
  position: relative;
}

.closing-card h2 {
  max-width: 640px;
  margin: 0 auto;
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 800;
}

.closing-card p {
  max-width: 560px;
  margin: 16px auto 32px;
  font-size: 18px;
  color: var(--muted);
}

/* Rodapé */

.site-footer {
  padding: 48px 0;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 420px;
}

.footer-brand img {
  width: auto;
  height: 30px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--brand-text);
}

.footer-copy {
  width: 100%;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--muted-2);
}

/* Barra fixa no celular */

.mobile-bar {
  display: none;
}

/* Páginas legais */

.legal {
  max-width: 800px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}

.legal h1 {
  margin-bottom: 8px;
  font-size: clamp(30px, 4vw, 40px);
  font-weight: 800;
}

.legal .updated {
  margin-bottom: 32px;
  font-size: 14px;
  color: var(--muted-2);
}

.legal h2 {
  margin: 40px 0 12px;
  font-size: 22px;
  font-weight: 700;
}

.legal p,
.legal li {
  font-size: 16px;
  color: var(--ink-2);
}

.legal p + p {
  margin-top: 12px;
}

.legal ul {
  margin: 12px 0;
  padding-left: 22px;
}

.legal li + li {
  margin-top: 6px;
}

.legal a {
  color: var(--brand-text);
}

.breadcrumb {
  margin-bottom: 24px;
  font-size: 14px;
  color: var(--muted-2);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.legal .breadcrumb li {
  margin: 0;
  font-size: inherit;
  color: inherit;
}

.breadcrumb li + li::before {
  content: '/';
  margin-right: 8px;
  color: var(--line);
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--brand-text);
}

/* Responsivo */

@media (max-width: 1024px) {
  .hero-grid,
  .demo {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

  .hero-visual {
    max-width: 680px;
    padding-bottom: 72px;
  }

  .hero-visual .browser {
    width: 100%;
  }

  .chat-card {
    left: auto;
    right: -12px;
  }

  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 900px) {
  .nav {
    display: none;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .mobile-bar {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 -10px 30px -12px rgba(17, 24, 39, 0.18);
    transform: translateY(110%);
    transition: transform 0.25s ease;
  }

  .mobile-bar.is-visible {
    transform: none;
  }

  .site-footer {
    padding-bottom: 112px;
  }
}

@media (max-width: 640px) {
  :root {
    --header-h: 64px;
  }

  .container {
    padding: 0 16px;
  }

  .section {
    padding: 64px 0;
  }

  .section-head {
    margin-bottom: 40px;
  }

  .section-head .lead {
    font-size: 16px;
  }

  .brand img {
    height: 28px;
  }

  .link-login {
    display: none;
  }

  .hero {
    padding: 40px 0 64px;
  }

  .hero-sub {
    font-size: 17px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-visual {
    padding-bottom: 0;
  }

  .chat-card {
    position: relative;
    right: auto;
    left: auto;
    width: calc(100% - 24px);
    margin: -48px auto 0;
  }

  .grid-2,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 24px;
  }

  .demo-window .chat-body {
    min-height: 0;
  }

  .offer {
    margin-top: 56px;
    padding: 28px 20px;
  }

  .closing-card {
    padding: 48px 20px;
  }

  .closing-card .btn {
    width: 100%;
  }

  .footer-brand {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .legal {
    padding: 40px 16px 72px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0s !important;
    transition-duration: 0.01ms !important;
  }
}