/* ============================================================
   MAGO IA — Design System
   Paleta: azul-marinho profundo + azul-grafite; ciano e verde
   usados com moderação. Tipografia: Manrope (títulos) + Inter.
   ============================================================ */

:root {
  /* Cores base */
  --bg:        #0A1628;  /* fundo principal */
  --bg-alt:    #0D1C33;  /* seções alternadas */
  --surface:   #112340;  /* cards e superfícies */
  --surface-2: #16294a;  /* superfícies elevadas */
  --border:    #1E3355;  /* bordas discretas */
  --border-2:  #2A4470;  /* bordas em destaque */

  /* Texto */
  --text:      #E9EEF6;  /* principal, branco suavizado */
  --text-2:    #93A5BE;  /* secundário, cinza azulado */
  --text-3:    #64789A;  /* terciário */

  /* Acentos */
  --blue:      #3E8EF7;  /* azul tecnológico */
  --cyan:      #38C8DE;  /* ciano — usar com moderação */
  --green:     #23B060;  /* ação principal / WhatsApp */
  --green-hov: #2BC66F;
  --cream:     #F2ECD8;  /* cor da marca (logo) */

  /* Tipografia */
  --f-title: 'Manrope', system-ui, sans-serif;
  --f-body:  'Inter', system-ui, sans-serif;

  /* Métricas */
  --radius:    12px;
  --radius-lg: 18px;
  --container: 1160px;
}

/* ---------- Reset e base ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4 {
  font-family: var(--f-title);
  line-height: 1.15;
  letter-spacing: -0.015em;
  font-weight: 800;
  text-wrap: balance;
}

p { max-width: 68ch; }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

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

.container--narrow { max-width: 820px; }

/* ---------- Utilitários ---------- */
.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}

.muted { color: var(--text-2); }

.section { padding: 104px 0; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--border); }

.section__head { max-width: 760px; margin-bottom: 56px; }
.section__head h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
.section__lead { color: var(--text-2); margin-top: 16px; }

/* Animação de entrada discreta */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--f-body);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 14px 26px;
  border-radius: 10px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.12s ease;
}

.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--green);
  color: #052014;
}
.btn--primary:hover { background: var(--green-hov); }

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-2);
}
.btn--ghost:hover { border-color: var(--blue); }

.btn--sm { padding: 10px 18px; font-size: 0.9rem; }
.btn--lg { padding: 16px 30px; font-size: 1.05rem; }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 70px;
}

.header__brand {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}

.header__symbol { width: 30px; height: auto; }

.header__name {
  font-family: var(--f-title);
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.header__nav {
  display: flex;
  gap: 30px;
}

.header__nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

.header__actions { display: flex; align-items: center; gap: 14px; }

.header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 1px solid var(--border-2);
  border-radius: 10px;
  cursor: pointer;
}

.header__toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.header__toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.header__toggle[aria-expanded="true"] span:last-child  { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 96px 0 110px;
  overflow: hidden;
}

/* Grade técnica sutil ao fundo — funcional, sem neon */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.16;
  mask-image: radial-gradient(ellipse 90% 70% at 30% 20%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 30% 20%, black 0%, transparent 70%);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 72px;
  align-items: center;
}

.hero__content h1 {
  font-size: clamp(2rem, 4.6vw, 3.15rem);
  margin-bottom: 22px;
}

.hero__sub {
  color: var(--text-2);
  font-size: 1.09rem;
  margin-bottom: 34px;
}

.hero__ctas { display: flex; gap: 14px; flex-wrap: wrap; }

/* Fluxo do processo (visual proprietário) */
.flow {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-left: 8px;
}

.flow::before {
  content: '';
  position: absolute;
  left: 13px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: linear-gradient(180deg, var(--blue) 0%, var(--cyan) 55%, var(--green) 100%);
  opacity: 0.5;
}

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

.flow__dot {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--blue);
  position: relative;
  z-index: 1;
}

.flow__dot--human { border-color: var(--green); background: var(--green); }

.flow__card {
  flex: 1;
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px 18px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.flow__card strong {
  font-family: var(--f-title);
  font-weight: 700;
  font-size: 0.95rem;
}

.flow__card span { font-size: 0.83rem; color: var(--text-2); }

.flow__card--human { border-color: color-mix(in srgb, var(--green) 45%, var(--border)); }

.flow__stage:hover .flow__card { border-color: var(--border-2); transform: translateX(3px); }

/* ---------- Problema (split + lista) ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 72px;
  align-items: start;
}

.split__text h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); margin-bottom: 18px; }
.split__text p { margin-bottom: 14px; }

.painlist {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.painlist li {
  position: relative;
  padding: 17px 0 17px 34px;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.99rem;
}

.painlist li:first-child { border-top: 1px solid var(--border); }

.painlist li::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 26px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--blue);
  opacity: 0.75;
}

/* ---------- Diagrama da solução ---------- */
.diagram {
  display: grid;
  grid-template-columns: 1fr 48px 1.15fr 48px 1fr;
  gap: 0;
  align-items: center;
  margin-top: 8px;
}

.diagram__col {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.diagram__label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 2px;
}

.diagram__node {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 15px 18px;
  font-size: 0.93rem;
  color: var(--text-2);
}

.diagram__node--core {
  background: var(--surface-2);
  border-color: var(--border-2);
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px;
}

.diagram__node--core strong { font-family: var(--f-title); font-size: 1.05rem; }
.diagram__node--core span { font-size: 0.85rem; color: var(--text-2); }

.diagram__node--rules {
  border-style: dashed;
  border-color: var(--border-2);
  color: var(--cyan);
  font-size: 0.85rem;
  text-align: center;
}

.diagram__node--human { border-color: color-mix(in srgb, var(--green) 45%, var(--border)); color: var(--text); }

.diagram__connector {
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--border-2) 0 6px, transparent 6px 12px);
  margin-inline: 8px;
}

/* ---------- Soluções (bento) ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.bento__item {
  grid-column: span 2;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.bento__item--wide { grid-column: span 3; }

.bento__item:hover { border-color: var(--border-2); transform: translateY(-3px); }

.bento__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: color-mix(in srgb, var(--blue) 14%, transparent);
  color: var(--blue);
  margin-bottom: 20px;
}

.bento__icon svg { width: 23px; height: 23px; }

.bento__item h3 { font-size: 1.13rem; font-weight: 700; margin-bottom: 10px; }
.bento__item p { font-size: 0.94rem; color: var(--text-2); }

/* ---------- Como funciona ---------- */
.steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  max-width: 760px;
}

.steps__item {
  display: flex;
  gap: 28px;
  padding: 30px 0;
  border-bottom: 1px solid var(--border);
}

.steps__item:first-child { border-top: 1px solid var(--border); }

.steps__num {
  font-family: var(--f-title);
  font-weight: 800;
  font-size: 1rem;
  color: var(--cyan);
  min-width: 44px;
  padding-top: 3px;
}

.steps__item h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 6px; }
.steps__item p { color: var(--text-2); font-size: 0.96rem; }

/* ---------- Comparação chatbot ---------- */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  max-width: 980px;
}

.compare__col {
  border-radius: var(--radius-lg);
  padding: 32px;
}

.compare__col h3 {
  font-size: 1.05rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 9px;
}

.compare__col ul { list-style: none; display: flex; flex-direction: column; gap: 13px; }

.compare__col li {
  position: relative;
  padding-left: 26px;
  font-size: 0.95rem;
}

.compare__col--basic {
  background: transparent;
  border: 1px dashed var(--border-2);
  color: var(--text-3);
}

.compare__col--basic li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--text-3);
}

.compare__col--magoia {
  background: var(--surface);
  border: 1px solid var(--border-2);
  color: var(--text-2);
}

.compare__col--magoia h3 { color: var(--cream); }

.compare__col--magoia li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 2px solid var(--green);
}

/* ---------- Diferenciais ---------- */
.difflist { list-style: none; display: flex; flex-direction: column; }

.difflist li {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.97rem;
}

.difflist li:first-child { border-top: 1px solid var(--border); }
.difflist strong { color: var(--text); font-weight: 600; }

/* ---------- Resultados / cases ---------- */
.cases {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.case {
  border-radius: var(--radius-lg);
  padding: 30px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.case--placeholder { border-style: dashed; background: transparent; }

.case__tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cyan);
  border: 1px solid var(--border-2);
  border-radius: 999px;
  padding: 5px 13px;
  margin-bottom: 22px;
}

.case dl { display: flex; flex-direction: column; gap: 13px; }
.case dl > div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; }
.case dt { font-size: 0.83rem; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.05em; }
.case dd { font-size: 0.92rem; color: var(--text-2); }

/* ---------- Sobre ---------- */
#sobre h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); margin-bottom: 18px; }
#sobre p { margin-bottom: 14px; color: var(--text-2); }
#sobre p:first-of-type { color: var(--text); }

.placeholder-block {
  border: 1px dashed var(--border-2);
  border-radius: var(--radius);
  padding: 20px 24px;
  color: var(--cyan) !important;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

/* ---------- FAQ ---------- */
.faq { display: flex; flex-direction: column; }

.faq details { border-bottom: 1px solid var(--border); }
.faq details:first-child { border-top: 1px solid var(--border); }

.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 21px 4px;
  font-family: var(--f-title);
  font-weight: 700;
  font-size: 1.02rem;
  transition: color 0.15s ease;
}

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

.faq summary::after {
  content: '+';
  font-family: var(--f-body);
  font-weight: 400;
  font-size: 1.4rem;
  color: var(--cyan);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq details[open] summary::after { transform: rotate(45deg); }

.faq details p {
  padding: 0 4px 22px;
  color: var(--text-2);
  font-size: 0.96rem;
  max-width: 64ch;
}

/* ---------- CTA final + formulário ---------- */
.cta-final { padding-bottom: 120px; }

.cta-final__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 64px;
}

.cta-final__text h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); margin-bottom: 18px; }
.cta-final__text > p { color: var(--text-2); margin-bottom: 30px; }
.cta-final__alt { font-size: 0.88rem; color: var(--text-3); margin-top: 18px; }

.form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 32px;
}

.form__title {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.form__field { margin-bottom: 18px; }

.form__field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 7px;
}

.form__optional { color: var(--text-3); font-weight: 400; }

.form__field input,
.form__field textarea {
  width: 100%;
  padding: 13px 15px;
  border-radius: 10px;
  border: 1px solid var(--border-2);
  background: var(--bg);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 0.97rem;
  transition: border-color 0.15s ease;
}

.form__field textarea { resize: vertical; }

.form__field input:focus,
.form__field textarea:focus {
  outline: none;
  border-color: var(--blue);
}

.form__consent {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.form__consent input {
  margin-top: 4px;
  width: 16px;
  height: 16px;
  accent-color: var(--green);
  flex-shrink: 0;
}

.form__consent label { font-size: 0.85rem; color: var(--text-2); }
.form__consent a { color: var(--cyan); }

.form__error {
  background: color-mix(in srgb, #E5484D 12%, transparent);
  border: 1px solid color-mix(in srgb, #E5484D 40%, transparent);
  color: #F2A7AA;
  border-radius: 10px;
  padding: 12px 15px;
  font-size: 0.88rem;
  margin-bottom: 18px;
}

.form__submit { width: 100%; }

.form__success { text-align: center; padding: 30px 10px; }
.form__success h3 { font-size: 1.2rem; margin-bottom: 10px; }
.form__success p { color: var(--text-2); font-size: 0.95rem; margin-inline: auto; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 64px 0 36px;
}

.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.8fr) minmax(0, 1fr);
  gap: 56px;
  padding-bottom: 44px;
}

.footer__brand img { width: 116px; }
.footer__brand p {
  color: var(--text-2);
  font-size: 0.92rem;
  margin-top: 20px;
  max-width: 40ch;
}

.footer h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 18px;
}

.footer__nav, .footer__contact { display: flex; flex-direction: column; }

.footer__nav a, .footer__contact a {
  color: var(--text-2);
  text-decoration: none;
  font-size: 0.93rem;
  padding: 6px 0;
  transition: color 0.15s ease;
}

.footer__nav a:hover, .footer__contact a:hover { color: var(--text); }

.footer__legal {
  border-top: 1px solid var(--border);
  padding-top: 26px;
}

.footer__legal p { font-size: 0.83rem; color: var(--text-3); }
.footer__cnpj { color: var(--cyan); }

/* ============================================================
   RESPONSIVO
   ============================================================ */

@media (max-width: 1024px) {
  .hero__grid { gap: 48px; }
  .split { gap: 48px; }
  .bento__item { grid-column: span 3; }
  .bento__item--wide { grid-column: span 6; }
}

@media (max-width: 860px) {
  .section { padding: 76px 0; }

  .hero { padding: 64px 0 80px; }
  .hero__grid { grid-template-columns: 1fr; }

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

  .diagram {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .diagram__connector {
    width: 2px;
    height: 34px;
    margin: 0 auto;
    background: repeating-linear-gradient(180deg, var(--border-2) 0 6px, transparent 6px 12px);
  }

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

  .cta-final__grid {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 36px 26px;
  }

  .footer__grid { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 760px) {
  /* Menu mobile */
  .header__nav {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 10px 24px 18px;
    display: none;
  }

  .header__nav.open { display: flex; }

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

  .header__nav a:last-child { border-bottom: none; }

  .header__toggle { display: flex; }

  .header__actions .btn { display: none; }

  .hero__ctas .btn { width: 100%; }

  .bento { grid-template-columns: 1fr; }
  .bento__item, .bento__item--wide { grid-column: auto; }

  .steps__item { gap: 18px; padding: 24px 0; }

  .case dl > div { grid-template-columns: 1fr; gap: 3px; }

  .form { padding: 26px 20px; }
}

@media (max-width: 400px) {
  .container { padding-inline: 18px; }
  .compare__col { padding: 24px 20px; }
}