/* Identidade da Isa: tinta e lime retirados do SVG oficial do site.
   Tema claro, porque o logotipo é escuro com acento lime e pede fundo claro. */
:root {
  --ink: #011012;
  --lime: #b9da3d;
  --lime-deep: #97b62a;
  --lime-wash: #f2f8e0;

  --paper: #ffffff;
  --paper-2: #f6f8f4;
  --paper-3: #eef2ea;
  --line: #e2e8dd;
  --line-strong: #cbd5c4;

  --text: #011012;
  --text-2: #4a5852;
  --muted: #78877f;

  --display: "Segoe UI Variable Display", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, system-ui, sans-serif;
  --body: "Segoe UI Variable Text", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;

  --edge: clamp(20px, 5vw, 64px);
  --radius: 20px;
  --shadow: 0 1px 2px rgba(1, 16, 18, 0.04), 0 12px 40px rgba(1, 16, 18, 0.06);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 640;
  letter-spacing: -0.033em;
  line-height: 1.08;
  margin: 0;
  text-wrap: balance;
}
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }

.wrap { width: min(1200px, 100% - var(--edge) * 2); margin-inline: auto; }
.narrow { width: min(880px, 100% - var(--edge) * 2); margin-inline: auto; }

.eyebrow {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime-deep);
  margin: 0;
}

/* ---------------- botões ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 14px 24px;
  border-radius: 999px;
  font-family: var(--display);
  font-weight: 620;
  font-size: 15.5px;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1), background 0.22s,
    border-color 0.22s, color 0.22s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #0b2225; }
.btn-lime { background: var(--lime); color: var(--ink); }
.btn-lime:hover { background: var(--lime-deep); }
.btn-ghost { border-color: var(--line-strong); color: var(--text); }
.btn-ghost:hover { border-color: var(--ink); }

/* ---------------- topo ---------------- */
.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 70;
  padding: 16px 0;
  border-bottom: 1px solid transparent;
  transition: background 0.35s, border-color 0.35s, padding 0.35s;
}
.topbar.is-stuck {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
  padding: 10px 0;
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; }
.brand img { height: 34px; width: auto; }
.topnav { display: flex; align-items: center; gap: 28px; }
.topnav a { font-size: 15px; color: var(--text-2); transition: color 0.2s; }
.topnav a:hover { color: var(--ink); }
@media (max-width: 900px) { .topnav .topnav-link { display: none; } }

/* ---------------- hero ---------------- */
.hero { padding: 168px 0 96px; position: relative; overflow: hidden; }
.hero-blob {
  position: absolute; z-index: -1;
  width: 780px; height: 780px; border-radius: 50%;
  top: -300px; right: -220px;
  background: radial-gradient(circle, rgba(185, 218, 61, 0.34), transparent 66%);
  filter: blur(20px);
  will-change: transform;
}
.hero .narrow { text-align: center; }
.hero h1 { font-size: clamp(42px, 6.6vw, 82px); margin: 22px 0 0; }
.hero .purpose {
  margin: 26px auto 0;
  font-size: clamp(18px, 2.1vw, 22px);
  color: var(--text-2);
  max-width: 58ch;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; justify-content: center; margin-top: 36px; }
.hero-note { margin-top: 20px; font-size: 14.5px; color: var(--muted); }

.badge-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 34px; }
.badge {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em;
  padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--paper-2); color: var(--text-2);
}

/* ---------------- telefone ---------------- */
.stage { margin-top: 68px; display: flex; justify-content: center; }
.phone {
  position: relative; width: min(360px, 100%);
  border-radius: 36px; padding: 14px 12px 20px;
  background: var(--ink);
  box-shadow: 0 30px 80px rgba(1, 16, 18, 0.28);
  will-change: transform;
}
.phone-head { display: flex; align-items: center; gap: 10px; padding: 12px 10px 14px; border-bottom: 1px solid rgba(255,255,255,0.09); }
.phone-avatar { width: 34px; height: 34px; border-radius: 10px; background: var(--lime); display: grid; place-items: center; }
.phone-avatar img { width: 24px; height: 24px; }
.phone-head strong { font-size: 14.5px; color: #fff; font-family: var(--display); }
.phone-head small { display: block; font-size: 11.5px; color: var(--lime); }
.chat { display: flex; flex-direction: column; gap: 8px; padding: 14px 6px 0; }
.bubble {
  max-width: 86%; padding: 10px 13px; border-radius: 15px;
  font-size: 14px; line-height: 1.45; will-change: transform, opacity;
}
.bubble.me { align-self: flex-end; background: #1f4a34; color: #eaf3ec; border-bottom-right-radius: 5px; }
.bubble.isa { align-self: flex-start; background: #10201f; color: #dfe9e2; border-bottom-left-radius: 5px; }
.bubble .field { display: block; font-size: 13.2px; color: #b6c6bb; }
.bubble .field b { color: #fff; font-weight: 600; }

/* ---------------- seções ---------------- */
section { position: relative; }
.pad { padding: clamp(84px, 12vh, 136px) 0; }
.tint { background: var(--paper-2); }
.section-head { max-width: 64ch; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(30px, 4.3vw, 52px); margin-top: 14px; }
.section-head p { margin-top: 18px; color: var(--text-2); font-size: 18px; }

/* propósito, escrito em texto corrido para o revisor do Google */
.purpose-block {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  padding: clamp(28px, 4vw, 44px);
  box-shadow: var(--shadow);
}
.purpose-block h2 { font-size: clamp(26px, 3.4vw, 38px); }
.purpose-block p { color: var(--text-2); font-size: 17.5px; margin-top: 16px; }
.purpose-block ul { margin: 20px 0 0; padding-left: 20px; color: var(--text-2); }
.purpose-block li + li { margin-top: 8px; }

/* passos */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 54px; }
@media (max-width: 880px) { .steps { grid-template-columns: 1fr; } }
.step {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px 26px;
  will-change: transform, opacity;
}
.step-n { font-family: var(--mono); font-size: 12px; color: var(--lime-deep); letter-spacing: 0.14em; }
.step h3 { font-size: 21px; margin: 13px 0 9px; }
.step p { color: var(--text-2); font-size: 15.6px; }

/* recurso alternado, um por bloco */
.feature-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 6vw, 76px); align-items: center;
  padding: clamp(46px, 7vh, 84px) 0;
  border-top: 1px solid var(--line);
}
.feature-row:first-of-type { border-top: 0; }
@media (max-width: 900px) { .feature-row { grid-template-columns: 1fr; } }
.feature-row.flip .feature-media { order: -1; }
@media (max-width: 900px) { .feature-row.flip .feature-media { order: 0; } }
.feature-copy h3 { font-size: clamp(25px, 3.2vw, 36px); margin: 14px 0 14px; }
.feature-copy p { color: var(--text-2); font-size: 17px; }
.feature-copy ul { margin: 18px 0 0; padding-left: 20px; color: var(--text-2); font-size: 16px; }
.feature-copy li + li { margin-top: 7px; }

.feature-media {
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px;
  min-height: 250px; display: flex; flex-direction: column; justify-content: center; gap: 9px;
}
.tint .feature-media { background: var(--paper); }
.mini { border-radius: 13px; padding: 11px 14px; font-size: 14.2px; line-height: 1.45; max-width: 92%; }
.mini.me { align-self: flex-end; background: var(--ink); color: #eaf3ec; border-bottom-right-radius: 4px; }
.mini.isa { align-self: flex-start; background: var(--paper-3); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.mini .field { display: block; font-size: 13.2px; color: var(--text-2); }
.mini .field b { color: var(--ink); }

/* google */
.google-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper); padding: clamp(28px, 4vw, 44px); box-shadow: var(--shadow);
}
.google-card h3 { font-size: 21px; margin-bottom: 12px; }
.scope-list { list-style: none; margin: 20px 0 0; padding: 0; }
.scope-list li { padding: 15px 0; border-top: 1px solid var(--line); }
.scope-list code {
  font-family: var(--mono); font-size: 13px; color: var(--ink);
  background: var(--lime-wash); border-radius: 6px; padding: 2px 7px;
}
.scope-list p { color: var(--text-2); font-size: 15.6px; margin-top: 7px; }

/* segurança */
.trust { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 50px; }
@media (max-width: 880px) { .trust { grid-template-columns: 1fr; } }
.trust article { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 26px; will-change: transform, opacity; }
.trust h3 { font-size: 18px; margin-bottom: 10px; }
.trust p { color: var(--text-2); font-size: 15.4px; }

/* faq */
.faq { margin-top: 46px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 22px 0;
  font-family: var(--display); font-weight: 600; font-size: 18.5px;
  display: flex; justify-content: space-between; gap: 20px; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 24px; color: var(--lime-deep); font-weight: 400; transition: transform 0.25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 22px; color: var(--text-2); font-size: 16.4px; max-width: 78ch; }

/* cta */
.cta {
  border-radius: 26px; padding: clamp(46px, 7vw, 82px); text-align: center;
  background: var(--ink); color: #fff;
  background-image: radial-gradient(circle at 18% 0%, rgba(185, 218, 61, 0.2), transparent 56%);
}
.cta h2 { font-size: clamp(30px, 4.6vw, 52px); }
.cta p { margin: 18px auto 0; max-width: 48ch; color: #b7c6bc; font-size: 18px; }
.cta .btn { margin-top: 32px; }

/* rodapé */
footer { border-top: 1px solid var(--line); padding: 48px 0 40px; }
.foot { display: flex; flex-wrap: wrap; gap: 26px; justify-content: space-between; align-items: flex-start; }
.foot img { height: 30px; }
.foot small { display: block; color: var(--muted); font-size: 13.5px; margin-top: 14px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 22px; }
.foot-links a { font-size: 15px; color: var(--text-2); }
.foot-links a:hover { color: var(--ink); }

.js .reveal { opacity: 0; transform: translateY(26px); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}
:focus-visible { outline: 2px solid var(--lime-deep); outline-offset: 3px; border-radius: 6px; }

/* ---------------- páginas legais ---------------- */
.legal { padding: 140px 0 80px; }
.legal .wrap { width: min(760px, 100% - var(--edge) * 2); }
.legal h1 { font-size: clamp(32px, 5vw, 48px); }
.legal .updated { font-family: var(--mono); font-size: 13px; color: var(--muted); margin-top: 14px; }
.legal h2 { font-size: 22px; margin: 44px 0 13px; }
.legal p, .legal li { color: var(--text-2); font-size: 16.5px; line-height: 1.75; }
.legal p + p { margin-top: 14px; }
.legal ul { padding-left: 22px; margin: 14px 0; }
.legal li + li { margin-top: 9px; }
.legal a { color: var(--lime-deep); text-decoration: underline; text-underline-offset: 3px; }
.legal .callout {
  border: 1px solid var(--line); border-left: 3px solid var(--lime);
  background: var(--paper-2); border-radius: 12px; padding: 20px 22px; margin: 26px 0;
}
.legal .callout p { color: var(--text); }
.legal table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 15.5px; }
.legal th, .legal td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.legal th { font-family: var(--mono); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }
.legal td { color: var(--text-2); }
