:root {
  --ink: #383b39;
  --muted: #6b716e;
  --line: rgba(56, 59, 57, 0.14);
  --paper: #f8faf6;
  --white: #ffffff;
  --green: #8ecb35;  /* decorativo: nunca usar em texto */
  --leaf-bright: #43b749; /* decorativo */
  --leaf: #2f7a35;   /* era #43b749 (2,47:1) — agora 4,86:1, WCAG AA */
  --blue: #535faf;
  --dark-green: #2f5f3f;
  --shadow: 0 24px 70px rgba(43, 55, 47, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Poppins, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

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

section[id] {
  scroll-margin-top: 96px;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: minmax(120px, 180px) 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 18px clamp(18px, 4vw, 56px);
  background: rgba(248, 250, 246, 0.86);
  border-bottom: 1px solid rgba(56, 59, 57, 0.08);
  backdrop-filter: blur(18px);
}

.brand img {
  width: 132px;
  height: auto;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 3vw, 42px);
  color: var(--muted);
  font-size: 0.94rem;
}

.brand,
.nav-links,
.header-action,
.button,
.demo-header,
.insight-row strong,
.signal-strip strong,
.journey-step,
.capability-icon,
.flow-number,
.phone-top,
.app-icon-grid button,
.generated-plan span,
.site-footer strong,
.post-card span,
.post-card small,
.back-link,
.article-meta,
.article-summary strong,
.article-faq summary {
  font-family:
    Comfortaa, Poppins, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.nav-links a,
.header-action {
  transition: color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.nav-links a:hover,
.header-action:hover {
  color: var(--ink);
}

.header-action {
  justify-self: end;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 700;
}

.header-tools {
  display: flex;
  justify-self: end;
  gap: 12px;
  align-items: center;
}

.language-switcher {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.66);
}

.language-switcher a {
  min-width: 32px;
  min-height: 32px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  color: var(--muted);
  font-family:
    Comfortaa, Poppins, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  transition: background 180ms ease, color 180ms ease;
}

.language-switcher a:hover,
.language-switcher a.active {
  background: var(--ink);
  color: var(--white);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.65fr);
  gap: clamp(28px, 5vw, 80px);
  align-items: center;
  overflow: hidden;
  padding: 128px clamp(18px, 5vw, 72px) 72px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 84% 20%, rgba(142, 203, 53, 0.28), transparent 30%),
    linear-gradient(132deg, rgba(255, 255, 255, 0.95), rgba(248, 250, 246, 0.62) 48%, rgba(83, 95, 175, 0.14));
  pointer-events: none;
}

.hero-mark {
  position: absolute;
  right: -9vw;
  bottom: -10vw;
  width: min(68vw, 920px);
  opacity: 0.08;
  transform: rotate(-4deg);
  pointer-events: none;
}

.hero-content,
.conversation-demo {
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--leaf);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
  font-family:
    Comfortaa, Poppins, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

h1,
h2,
h3 {
  font-family:
    Comfortaa, Poppins, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

h1 {
  max-width: 980px;
  margin-bottom: 26px;
  font-size: clamp(2.7rem, 5.8vw, 6.2rem);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(2.1rem, 4.4vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.18rem;
  line-height: 1.15;
}

.hero-copy {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1.04rem, 1.55vw, 1.34rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button.primary {
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 12px 28px rgba(56, 59, 57, 0.18);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}

.conversation-demo {
  width: min(100%, 430px);
  justify-self: end;
  padding: 16px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.demo-header {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  padding: 0 4px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(142, 203, 53, 0.2);
}

.message-stream {
  display: grid;
  gap: 12px;
  min-height: 390px;
  padding: 20px 0;
}

.bubble {
  width: fit-content;
  max-width: 88%;
  margin: 0;
  padding: 13px 15px;
  border-radius: 8px;
  font-size: 0.98rem;
}

.bubble.user {
  justify-self: end;
  background: var(--blue);
  color: var(--white);
}

.bubble.ozia {
  background: #eef5e8;
}

.bubble.new {
  animation: rise 420ms ease both;
}

.insight-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 15px;
  background: #f4f8f0;
  border: 1px solid rgba(142, 203, 53, 0.28);
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.88rem;
}

.insight-row strong {
  color: var(--dark-green);
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.signal-strip div {
  min-height: 148px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 28px clamp(18px, 5vw, 72px);
  border-right: 1px solid var(--line);
}

.signal-strip div:last-child {
  border-right: 0;
}

.signal-strip strong {
  font-size: clamp(2rem, 3.4vw, 4rem);
  line-height: 1;
}

.signal-strip span {
  color: var(--muted);
}

.section,
.conversation-band,
.video-section,
.faq-section,
.closing {
  padding: clamp(76px, 11vw, 150px) clamp(18px, 5vw, 72px);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.75fr);
  gap: clamp(28px, 6vw, 96px);
  align-items: start;
}

.body-copy {
  color: var(--muted);
  font-size: clamp(1rem, 1.35vw, 1.18rem);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 58px;
  background: var(--line);
  border: 1px solid var(--line);
}

.capability {
  min-height: 290px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(22px, 3vw, 36px);
  background: var(--paper);
}

.capability-icon {
  width: 52px;
  height: 52px;
  display: inline-grid;
  place-items: center;
  margin-bottom: 42px;
  border-radius: 50%;
  background: var(--green);
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 900;
}

.capability p,
.use-case-card p,
.use-case-card li,
.video-copy p {
  color: var(--muted);
}

.conversation-band {
  background: var(--ink);
  color: var(--white);
}

.conversation-band .section-kicker {
  color: var(--green);
}

.conversation-band h2 {
  max-width: 980px;
}

.journey {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 54px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.journey-step {
  min-height: 178px;
  display: grid;
  align-content: space-between;
  gap: 34px;
  padding: 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.journey-step:last-child {
  border-right: 0;
}

.journey-step span {
  color: var(--green);
  font-weight: 800;
}

.journey-step strong {
  font-size: 1.14rem;
  line-height: 1.2;
}

.use-cases {
  background: var(--white);
}

.whatsapp-app {
  background:
    radial-gradient(circle at 95% 8%, rgba(142, 203, 53, 0.22), transparent 26%),
    linear-gradient(180deg, var(--paper), #ffffff 58%);
}

.whatsapp-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 58px;
  background: var(--line);
  border: 1px solid var(--line);
}

.whatsapp-flow article {
  min-height: 245px;
  padding: clamp(22px, 3vw, 34px);
  background: rgba(255, 255, 255, 0.78);
}

.flow-number {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 36px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 900;
}

.whatsapp-flow p,
.simulator-copy p,
.generated-plan p,
.generated-plan li {
  color: var(--muted);
}

.simulator {
  display: grid;
  grid-template-columns: minmax(280px, 0.42fr) minmax(340px, 0.58fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
  margin-top: clamp(58px, 8vw, 96px);
}

.simulator-copy h3,
.generated-plan h3 {
  font-size: clamp(1.5rem, 2.4vw, 2.35rem);
  line-height: 1.08;
}

.simulator-form {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.simulator-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 700;
}

.simulator-form input,
.simulator-form select {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  font: inherit;
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.simulator-form input:focus,
.simulator-form select:focus {
  border-color: rgba(67, 183, 73, 0.72);
  box-shadow: 0 0 0 4px rgba(142, 203, 53, 0.18);
}

.simulator-form button {
  width: fit-content;
  margin-top: 8px;
  border: 0;
  cursor: pointer;
}

.simulator-result {
  display: grid;
  grid-template-columns: minmax(260px, 0.48fr) minmax(260px, 0.52fr);
  gap: 18px;
  align-items: stretch;
}

.phone-visual {
  overflow: hidden;
  min-height: 620px;
  border: 10px solid var(--ink);
  border-radius: 34px;
  background: #e8f0e2;
  box-shadow: var(--shadow);
}

.phone-top {
  display: flex;
  gap: 11px;
  align-items: center;
  padding: 16px;
  background: #f7fbf2;
  border-bottom: 1px solid rgba(56, 59, 57, 0.1);
}

.phone-avatar {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: var(--green);
  color: var(--ink);
  font-weight: 900;
}

.phone-top strong,
.phone-top span {
  display: block;
}

.phone-top span {
  color: var(--muted);
  font-size: 0.78rem;
}

.phone-chat {
  display: grid;
  gap: 12px;
  padding: 18px;
}

.phone-bubble {
  width: fit-content;
  max-width: 92%;
  margin: 0;
  padding: 12px 13px;
  border-radius: 8px;
  font-size: 0.9rem;
}

.phone-bubble.customer {
  justify-self: end;
  background: #d9f5c5;
}

.phone-bubble.agent {
  background: var(--white);
  box-shadow: 0 10px 24px rgba(56, 59, 57, 0.08);
}

.phone-bubble.small {
  font-size: 0.82rem;
}

.app-icon-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 13px;
}

.app-icon-grid button {
  min-height: 78px;
  display: grid;
  place-items: center;
  gap: 5px;
  padding: 9px 6px;
  border: 1px solid rgba(142, 203, 53, 0.34);
  border-radius: 8px;
  background: #f3f9ee;
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 800;
}

.app-icon-grid span {
  font-family: "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  font-size: 1.45rem;
}

.generated-plan {
  min-height: 620px;
  padding: clamp(24px, 3vw, 36px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 50px rgba(43, 55, 47, 0.08);
}

.generated-plan span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--leaf);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.generated-plan ul {
  display: grid;
  gap: 13px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.generated-plan li {
  position: relative;
  padding-left: 22px;
}

.generated-plan li::before {
  content: "";
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 58px;
}

.use-case-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.use-case-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #eef5e8;
}

.use-case-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: clamp(22px, 2.7vw, 32px);
}

.use-case-content span {
  width: fit-content;
  margin-bottom: 18px;
  padding: 8px 11px;
  background: rgba(142, 203, 53, 0.18);
  border: 1px solid rgba(142, 203, 53, 0.32);
  border-radius: 999px;
  color: var(--dark-green);
  font-family:
    Comfortaa, Poppins, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.76rem;
  font-weight: 800;
}

.use-case-content h3 {
  font-size: clamp(1.22rem, 1.6vw, 1.58rem);
}

.use-case-content p {
  margin-bottom: 22px;
}

.use-case-content ul {
  display: grid;
  gap: 10px;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
}

.use-case-content li {
  position: relative;
  padding-left: 19px;
  font-size: 0.94rem;
}

.use-case-content li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
}

.video-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(320px, 0.58fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  background: #eef5e8;
}

.video-copy p {
  max-width: 520px;
  font-size: 1.06rem;
}

.video-frame {
  width: 100%;
  justify-self: end;
  background: var(--ink);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.video-frame video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--ink);
}

.faq-section {
  background: var(--white);
}

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 58px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.faq-list summary {
  cursor: pointer;
  padding: 22px clamp(18px, 3vw, 28px);
  color: var(--ink);
  font-family:
    Comfortaa, Poppins, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  font-weight: 800;
  list-style-position: outside;
}

.faq-list p {
  max-width: 960px;
  margin: 0;
  padding: 0 clamp(18px, 3vw, 28px) 24px;
  color: var(--muted);
}

.closing {
  position: relative;
  min-height: 74vh;
  display: grid;
  grid-template-columns: minmax(220px, 0.36fr) minmax(0, 0.64fr);
  gap: clamp(24px, 6vw, 90px);
  align-items: center;
  overflow: hidden;
  background: var(--white);
}

.closing img {
  width: min(100%, 360px);
}

.closing h2 {
  max-width: 920px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding: 28px clamp(18px, 5vw, 72px);
  background: var(--ink);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
}

.site-footer div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
}

.site-footer strong {
  color: var(--white);
}

.footer-contact {
  justify-content: flex-end;
}

.footer-contact a {
  transition: color 180ms ease;
}

.footer-contact a:hover {
  color: var(--white);
}

.whatsapp-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.whatsapp-link svg {
  width: 19px;
  height: 19px;
  flex: 0 0 auto;
  fill: var(--green);
}

.blog-hero,
.article-hero {
  padding: 142px clamp(18px, 5vw, 72px) 72px;
  background:
    radial-gradient(circle at 88% 22%, rgba(142, 203, 53, 0.22), transparent 30%),
    linear-gradient(132deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 246, 0.7) 55%, rgba(83, 95, 175, 0.1));
}

.blog-hero h1,
.article-hero h1 {
  max-width: 1080px;
  font-size: clamp(2.35rem, 5.1vw, 5.3rem);
}

.blog-hero p:not(.eyebrow),
.article-subtitle {
  max-width: 820px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.65vw, 1.35rem);
}

.blog-list {
  background: var(--white);
}

.post-card {
  max-width: 880px;
  margin-top: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 18px 50px rgba(43, 55, 47, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.post-card:hover {
  transform: translateY(-4px);
  border-color: rgba(142, 203, 53, 0.55);
  box-shadow: 0 24px 60px rgba(43, 55, 47, 0.13);
}

.post-card a {
  display: grid;
  gap: 12px;
  padding: clamp(24px, 4vw, 42px);
}

.post-card span,
.post-card small,
.back-link {
  color: var(--leaf);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.post-card h3 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2.55rem);
  line-height: 1.08;
}

.post-card p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.article-page {
  background: var(--paper);
}

.back-link {
  display: inline-flex;
  margin-bottom: 28px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(220px, 0.34fr) minmax(0, 0.66fr);
  gap: clamp(28px, 5vw, 72px);
  padding: 72px clamp(18px, 5vw, 72px);
}

.article-summary {
  align-self: start;
  position: sticky;
  top: 110px;
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 46px rgba(43, 55, 47, 0.08);
}

.article-summary strong {
  font-size: 1.04rem;
}

.article-summary p {
  margin: 0;
  color: var(--muted);
}

.article-summary .button {
  width: 100%;
}

.article-content {
  max-width: 840px;
}

.article-content h2 {
  margin: 56px 0 16px;
  font-size: clamp(1.75rem, 3.2vw, 3rem);
  line-height: 1.1;
}

.article-content p {
  margin-bottom: 20px;
  color: var(--muted);
  font-size: clamp(1rem, 1.35vw, 1.13rem);
}

.article-content > p:first-child {
  color: var(--ink);
  font-size: clamp(1.1rem, 1.65vw, 1.32rem);
}

.answer-box,
.article-cta,
.article-faq {
  margin: 46px 0;
  padding: clamp(22px, 4vw, 34px);
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--white);
}

.answer-box h2,
.article-cta h2,
.article-faq h2 {
  margin-top: 0;
}

.article-cta {
  background: var(--ink);
  color: var(--white);
}

.article-cta p {
  color: rgba(255, 255, 255, 0.78);
}

.article-faq {
  display: grid;
  gap: 12px;
}

.article-faq details {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.article-faq summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 800;
}

.article-faq p {
  margin: 12px 0 0;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .hero,
  .split,
  .video-section,
  .simulator,
  .simulator-result,
  .closing {
    grid-template-columns: 1fr;
  }

  .video-frame {
    justify-self: start;
  }

  .conversation-demo {
    justify-self: start;
  }

  .signal-strip,
  .capability-grid,
  .journey,
  .whatsapp-flow,
  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-summary {
    position: static;
  }

  .site-footer {
    flex-direction: column;
  }

  .footer-contact {
    justify-content: flex-start;
  }

  .signal-strip div,
  .journey-step {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .journey-step {
    border-bottom-color: rgba(255, 255, 255, 0.18);
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 14px 16px;
  }

  .brand img {
    width: 108px;
  }

  .header-action {
    min-height: 36px;
    padding: 0 14px;
    font-size: 0.88rem;
  }

  .header-tools {
    gap: 6px;
  }

  .language-switcher a {
    min-width: 29px;
    min-height: 29px;
    font-size: 0.66rem;
  }

  .hero {
    min-height: auto;
    padding: 104px 16px 52px;
  }

  .blog-hero,
  .article-hero {
    padding: 108px 16px 52px;
  }

  .article-layout {
    padding: 42px 16px;
  }

  h1 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  h2 {
    font-size: clamp(1.7rem, 8vw, 2.4rem);
  }

  .button {
    width: 100%;
  }

  .message-stream {
    min-height: 330px;
  }

  .phone-visual,
  .generated-plan {
    min-height: auto;
  }

.app-icon-grid {
    grid-template-columns: 1fr;
  }
}

/* =====================================================================
   Melhorias SEO / acessibilidade / page experience — setembro 2026
   ===================================================================== */

/* --- Foco visível de teclado (WCAG 2.4.7) ------------------------- */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
video:focus-visible {
  outline: 3px solid var(--dark-green);
  outline-offset: 3px;
  border-radius: 6px;
}

/* --- Respeitar preferência por menos movimento -------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- Alvos de toque mínimos (24px) -------------------------------- */
.site-footer a,
.footer-links a {
  min-height: 24px;
  display: inline-flex;
  align-items: center;
}

/* --- Imagens dentro de <picture> ---------------------------------- */
picture {
  display: contents;
}

.use-case-card img,
.brand img,
.hero-mark img,
.closing img {
  height: auto;
}

/* --- Bloco de resposta direta (AEO) ------------------------------- */
.answer-block {
  padding-top: 0;
}

.answer-card {
  max-width: 900px;
  padding: 36px 38px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--leaf);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 18px 50px rgba(43, 55, 47, 0.08);
}

.answer-card h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  margin-bottom: 16px;
}

.answer-card .answer-lead {
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--ink);
  margin-bottom: 20px;
}

.answer-list {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.answer-list strong {
  color: var(--ink);
}

/* --- Links institucionais no rodapé ------------------------------- */
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  align-items: center;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  transition: color 180ms ease;
}

.footer-links a:hover {
  color: var(--ink);
  text-decoration: underline;
}

/* --- Botão do menu mobile ----------------------------------------- */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Páginas institucionais (sobre, privacidade, termos) ---------- */
.legal-page {
  max-width: 820px;
  margin: 0 auto;
  padding: 130px 24px 80px;
}

.legal-page h1 {
  font-size: clamp(2rem, 6vw, 3.2rem);
  margin-bottom: 12px;
}

.legal-page .legal-meta {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 36px;
}

.legal-page h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin-top: 44px;
  margin-bottom: 14px;
}

.legal-page p,
.legal-page li {
  color: var(--ink);
  line-height: 1.72;
}

.legal-page ul {
  padding-left: 22px;
  display: grid;
  gap: 8px;
}

.legal-page a {
  color: var(--dark-green);
}

@media (max-width: 920px) {
  .nav-toggle {
    display: flex;
    order: 3;
  }

  .site-header {
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }

  .header-tools {
    order: 2;
  }

  /* o menu deixa de sumir: vira painel acionado pelo botão */
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 16px 18px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px rgba(43, 55, 47, 0.12);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 14px 4px;
    border-bottom: 1px solid var(--line);
    font-size: 1rem;
  }

  .nav-links a:last-child {
    border-bottom: 0;
  }

  body.nav-open {
    overflow: hidden;
  }

  .answer-card {
    padding: 26px 22px;
  }

  .legal-page {
    padding: 120px 18px 64px;
  }
}
