:root {
  color-scheme: light;
  --bg: #f5fbfb;
  --bg-warm: #fbf8f1;
  --surface: #ffffff;
  --surface-blue: #edf8f8;
  --ink: #0b2447;
  --ink-soft: #203a5f;
  --muted: #64748b;
  --line: #cfe4e5;
  --brand: #0b2b55;
  --brand-strong: #071d3b;
  --teal: #2ca6a4;
  --teal-dark: #168885;
  --mint: #dff4f3;
  --sand: #e9d8b4;
  --shadow: 0 20px 70px rgba(11, 43, 85, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(44, 166, 164, 0.18), transparent 28rem),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 42%, var(--bg-warm) 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 14px 0;
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--brand);
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(11, 43, 85, 0.16);
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 22px;
  color: var(--ink-soft);
  font-size: 0.94rem;
  font-weight: 700;
}

.site-nav a,
.site-footer a {
  text-decoration: none;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--teal-dark);
}

.header-cta {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  padding: 0 16px;
  font-weight: 800;
  text-decoration: none;
}

.hero,
.section,
.final-cta,
.site-footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  gap: 56px;
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: 56px 0 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal-dark);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  max-width: 820px;
  margin: 0;
  color: var(--brand-strong);
  font-size: clamp(3rem, 8vw, 6.35rem);
  line-height: 0.93;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  color: var(--brand-strong);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin: 8px 0 0;
  color: var(--brand);
  font-size: 1.32rem;
  line-height: 1.16;
  letter-spacing: 0;
}

.hero-subtitle {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.35rem, 2.4vw, 2.1rem);
  font-weight: 750;
  line-height: 1.2;
}

.hero-text {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.11rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--teal-dark);
  border-radius: 8px;
  padding: 0 18px;
  font-weight: 850;
  text-decoration: none;
}

.button-primary {
  background: var(--teal-dark);
  color: #fff;
  box-shadow: 0 14px 32px rgba(22, 136, 133, 0.25);
}

.button-secondary {
  background: #fff;
  color: var(--brand);
}

.hero-note {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.hero-visual {
  position: relative;
  display: grid;
  gap: 18px;
  justify-items: center;
  align-self: stretch;
  align-content: center;
}

.hero-logo {
  width: min(400px, 90%);
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--shadow);
}

.phone-panel {
  width: min(390px, 100%);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 16px;
  box-shadow: var(--shadow);
}

.phone-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
  color: var(--brand);
  font-size: 0.88rem;
}

.phone-top strong {
  color: var(--teal-dark);
}

.message {
  width: fit-content;
  max-width: 86%;
  margin-top: 14px;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.93rem;
}

.message-in {
  background: #eef2f7;
  color: var(--ink-soft);
}

.message-out {
  margin-left: auto;
  background: var(--mint);
  color: var(--brand);
}

.section {
  padding: 84px 0;
  border-top: 1px solid rgba(11, 43, 85, 0.1);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.intro-grid,
.agents-grid,
.plans-grid,
.steps,
.use-grid,
.trust-section {
  display: grid;
  gap: 18px;
}

.intro-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  color: var(--ink-soft);
  font-size: 1.12rem;
}

.intro-grid p,
.section-heading p,
.demo-copy p,
.trust-copy p,
.final-cta p {
  color: var(--muted);
}

.agents-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.agent-card,
.plan-card,
.steps div,
.use-grid p,
.trust-list p,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 10px 36px rgba(11, 43, 85, 0.06);
}

.agent-card,
.plan-card {
  padding: 22px;
}

.agent-card p,
.plan-card li,
.steps p,
.use-grid p,
.trust-list p,
.faq-list p {
  color: var(--muted);
}

.agent-avatar {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  font-weight: 900;
}

.carmen {
  background: linear-gradient(135deg, var(--teal), #0f7673);
}

.bruno {
  background: linear-gradient(135deg, var(--brand), #2d5d8d);
}

.rafael {
  background: linear-gradient(135deg, #b28b35, #6b5a27);
}

.card-kicker,
.plan-label {
  margin: 18px 0 0;
  color: var(--teal-dark);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.demo-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: 36px;
  align-items: center;
}

.demo-copy p {
  max-width: 620px;
  margin: 18px 0 24px;
}

.demo-feed {
  display: grid;
  gap: 12px;
}

.demo-feed p {
  margin: 0;
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  background: #fff;
  padding: 16px 18px;
  color: var(--ink-soft);
  box-shadow: 0 12px 32px rgba(11, 43, 85, 0.08);
}

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

.active-plan {
  border-color: var(--teal);
  background: linear-gradient(180deg, #ffffff, var(--surface-blue));
}

.plan-card ul {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding-left: 18px;
}

.steps {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.steps div {
  padding: 22px;
}

.steps span {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-weight: 900;
}

.steps strong {
  display: block;
  margin-top: 16px;
  color: var(--brand);
  font-size: 1.06rem;
}

.steps p {
  margin-bottom: 0;
}

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

.use-grid p,
.trust-list p {
  margin: 0;
  padding: 16px;
}

.trust-section {
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  align-items: start;
}

.trust-list {
  display: grid;
  gap: 12px;
}

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

.faq-list details {
  padding: 18px 20px;
}

.faq-list summary {
  cursor: pointer;
  color: var(--brand);
  font-weight: 850;
}

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

.final-cta {
  display: grid;
  justify-items: center;
  padding: 78px 20px;
  text-align: center;
}

.final-cta img {
  border-radius: 50%;
  box-shadow: 0 10px 28px rgba(11, 43, 85, 0.16);
}

.final-cta h2 {
  max-width: 780px;
  margin-top: 22px;
}

.final-cta p {
  max-width: 660px;
  margin: 18px 0 28px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(11, 43, 85, 0.12);
  padding: 26px 0 34px;
  color: var(--muted);
  font-size: 0.94rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

  .hero,
  .demo-section,
  .trust-section {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 34px;
    padding-top: 34px;
  }

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

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

@media (max-width: 640px) {
  .site-header,
  .hero,
  .section,
  .final-cta,
  .site-footer {
    width: min(100% - 24px, 1180px);
  }

  .brand span {
    max-width: 142px;
    line-height: 1.05;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 12px;
    font-size: 0.9rem;
  }

  h1 {
    font-size: clamp(3rem, 17vw, 4.8rem);
  }

  .hero {
    min-height: auto;
    padding-bottom: 48px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .plans-grid,
  .use-grid,
  .intro-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 62px 0;
  }
}