/* ==========================================================================
   Falcão — Site institucional
   Design system derivado do Guia de Marca v1
   ========================================================================== */

/* ---- Tokens -------------------------------------------------------------- */
:root {
  /* Cores (Guia de Marca §5) */
  --laranja: #FF5A1F;   /* Primária — ação, CTA, destaques */
  --laranja-escuro: #E64A12; /* Hover/decorativo e contornos */
  --laranja-texto: #B83A10;  /* Laranja acessível p/ texto pequeno (>=4.5:1 em fundos claros) */
  --ambar: #F2B01E;     /* Secundária — realces */
  --tinta: #141413;     /* Títulos e texto principal */
  --grafite: #2B2B2B;   /* Texto secundário, superfícies escuras */
  --offwhite: #FAF8F4;  /* Fundo principal */
  --branco: #FFFFFF;    /* Cartões */
  --linha: #E7E2D9;     /* Linha / divisória */
  --terciario: #6B6B66; /* Texto terciário */
  --verde: #1E9E5A;     /* Sucesso / resultado (uso pontual) */
  --verde-texto: #0F6B39;    /* Verde acessível p/ texto em fundo claro */

  /* Superfícies */
  --bg: var(--offwhite);
  --surface: var(--branco);

  /* Tipografia (Guia de Marca §6) */
  --font-titulo: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-corpo: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Espaçamento / layout */
  --max: 1140px;
  --gutter: clamp(20px, 5vw, 48px);
  --radius: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;

  /* Sombras (sutis — sem gradientes pesados) */
  --shadow-sm: 0 1px 2px rgba(20, 20, 19, .04), 0 2px 8px rgba(20, 20, 19, .05);
  --shadow-md: 0 8px 24px rgba(20, 20, 19, .08);
  --shadow-cta: 0 8px 22px rgba(255, 90, 31, .28);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

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

body {
  font-family: var(--font-corpo);
  font-size: 16px;
  line-height: 1.6;
  color: var(--tinta);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a { color: var(--laranja-texto); text-decoration: none; }
a:hover { text-decoration: underline; }

ul { list-style: none; padding: 0; }

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

/* ---- Tipografia ---------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-titulo);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--tinta);
  text-wrap: balance;
}

h1 { font-size: clamp(2.25rem, 5.5vw, 3.4rem); }      /* ~36–54px */
h2 { font-size: clamp(1.75rem, 3.6vw, 2.5rem); }      /* ~28–40px */
h3 { font-size: clamp(1.18rem, 1.6vw, 1.35rem); font-weight: 700; }
p  { text-wrap: pretty; }

.eyebrow {
  font-family: var(--font-titulo);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--laranja-texto);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--laranja);
}
/* Em seções escuras o laranja vivo já passa no contraste (5.9:1 sobre Tinta) */
.provoke .eyebrow,
.cta .eyebrow { color: var(--laranja); }

.lead { font-size: clamp(1.06rem, 1.6vw, 1.25rem); color: var(--grafite); }
.text-laranja { color: var(--laranja-texto); }

/* ---- Layout helpers ------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(64px, 9vw, 120px); }
.section--tight { padding-block: clamp(48px, 6vw, 80px); }
.section__head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 56px); }
.section__head .lead { margin-top: 18px; }
.section__head--center { margin-inline: auto; text-align: center; }
.section__head--center .eyebrow { justify-content: center; }

.skip-link {
  position: absolute;
  left: 16px; top: -60px;
  background: var(--tinta);
  color: var(--offwhite);
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 200;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 16px; text-decoration: none; }

/* ---- Botões -------------------------------------------------------------- */
.btn {
  --btn-bg: var(--laranja);
  --btn-fg: var(--branco);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-titulo);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
  padding: 15px 26px;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  background: var(--btn-bg);
  color: var(--btn-fg);
  cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
  text-align: center;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }

/* Texto escuro (Tinta) sobre o laranja da marca → contraste 5.7:1 (WCAG AA) */
.btn--primary { --btn-fg: var(--tinta); box-shadow: var(--shadow-cta); }
.btn--primary:hover { background: var(--laranja-escuro); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--tinta);
  border-color: var(--linha);
}
.btn--ghost:hover { border-color: var(--tinta); background: transparent; }

.btn--lg { padding: 18px 34px; font-size: 1.06rem; }
.btn .btn__arrow { transition: transform .2s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

@media (prefers-reduced-motion: reduce) {
  .btn, .btn__arrow { transition: none; }
  .btn:hover { transform: none; }
}

/* ---- Header / nav -------------------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 244, 0.85); /* fallback p/ browsers sem color-mix */
  background: color-mix(in srgb, var(--offwhite) 80%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.header[data-scrolled="true"] {
  border-bottom-color: var(--linha);
  background: rgba(250, 248, 244, 0.92); /* fallback */
  background: color-mix(in srgb, var(--offwhite) 92%, transparent);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}

/* Logo (símbolo + wordmark) */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--tinta);
}
.brand:hover { text-decoration: none; }
.brand__symbol { width: 34px; height: 34px; flex: none; }
.brand__word {
  font-family: var(--font-titulo);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--tinta);
  line-height: 1;
}
.brand__word .accent { color: var(--laranja); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav__links a {
  color: var(--grafite);
  font-weight: 500;
  font-size: .98rem;
  transition: color .15s var(--ease);
}
.nav__links a:hover { color: var(--tinta); text-decoration: none; }

/* CTA dentro do menu: só aparece no mobile (no desktop usamos a de .nav__actions) */
.nav__cta { display: none; }
.nav__links a.btn,
.nav__links a.btn:hover { color: var(--tinta); }

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

.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--linha);
  border-radius: 12px;
  background: var(--branco);
  cursor: pointer;
  padding: 0;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  display: block;
  width: 20px; height: 2px;
  background: var(--tinta);
  margin-inline: auto;
  transition: transform .25s var(--ease), opacity .2s var(--ease);
}
.nav__toggle span { position: relative; }
.nav__toggle span::before { position: absolute; top: -6px; }
.nav__toggle span::after  { position: absolute; top: 6px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after  { transform: translateY(-6px) rotate(-45deg); }

/* ---- Hero ---------------------------------------------------------------- */
.hero { position: relative; padding-top: clamp(48px, 7vw, 88px); padding-bottom: clamp(56px, 8vw, 104px); overflow: hidden; }
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.hero__content { max-width: 600px; }
.hero h1 { margin-top: 22px; }
.hero h1 .stress { color: var(--laranja-escuro); } /* 3.7:1 — passa p/ texto grande sobre off-white */
.hero__sub { margin-top: 22px; max-width: 30em; }
.hero__cta { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 14px; }
.hero__proof {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--linha);
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--terciario);
  font-size: .95rem;
  max-width: 34em;
}
.hero__proof svg { flex: none; color: var(--laranja); }

/* Visual — "radar" de caça */
.radar {
  position: relative;
  aspect-ratio: 1;
  width: 100%;
  max-width: 460px;
  margin-inline: auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
}
.radar__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--linha);
}
.radar__ring--2 { inset: 14%; }
.radar__ring--3 { inset: 28%; }
.radar__ring--4 { inset: 42%; border-color: color-mix(in srgb, var(--laranja) 40%, var(--linha)); }
.radar__sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0deg, color-mix(in srgb, var(--laranja) 22%, transparent) 48deg, transparent 70deg);
  animation: sweep 5.5s linear infinite;
}
.radar__dot {
  position: absolute;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--terciario);
  opacity: .45;
}
.radar__dot--hit { background: var(--laranja); opacity: 1; box-shadow: 0 0 0 4px color-mix(in srgb, var(--laranja) 22%, transparent); animation: ping 3s var(--ease) infinite; }
.radar__symbol {
  position: relative;
  width: 38%;
  z-index: 2;
}
@keyframes sweep { to { transform: rotate(360deg); } }
@keyframes ping {
  0%, 100% { box-shadow: 0 0 0 3px color-mix(in srgb, var(--laranja) 26%, transparent); }
  50% { box-shadow: 0 0 0 9px color-mix(in srgb, var(--laranja) 0%, transparent); }
}
@media (prefers-reduced-motion: reduce) {
  .radar__sweep, .radar__dot--hit { animation: none; }
  .radar__sweep { opacity: .5; }
}

/* ---- Logos / faixa de nichos -------------------------------------------- */
.ticker {
  border-block: 1px solid var(--linha);
  background: var(--branco);
}
.ticker__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 28px;
  padding-block: 22px;
}
.ticker__label { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--terciario); font-weight: 600; }
.ticker__item { display: inline-flex; align-items: center; gap: 8px; color: var(--grafite); font-weight: 600; font-size: .98rem; }
.ticker__item svg { color: var(--laranja); flex: none; }

/* ---- Provocação / problema ---------------------------------------------- */
.provoke { background: var(--tinta); color: var(--offwhite); }
.provoke h2 { color: var(--offwhite); }
.provoke h2 .stress { color: var(--ambar); }
.provoke .lead { color: color-mix(in srgb, var(--offwhite) 76%, transparent); }
.provoke__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(36px, 6vw, 72px);
  align-items: center;
}
.painlist { display: grid; gap: 14px; margin-top: 8px; }
.painlist li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  background: color-mix(in srgb, var(--offwhite) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--offwhite) 12%, transparent);
  border-radius: var(--radius-sm);
  color: color-mix(in srgb, var(--offwhite) 88%, transparent);
}
.painlist li svg { color: var(--laranja); flex: none; margin-top: 2px; }

/* ---- Como funciona (passos) --------------------------------------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--linha);
  border-radius: var(--radius);
  padding: 28px 24px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--laranja) 35%, var(--linha)); }
.step__num {
  counter-increment: step;
  font-family: var(--font-titulo);
  font-weight: 800;
  font-size: 1rem;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: color-mix(in srgb, var(--laranja) 12%, var(--branco));
  color: var(--laranja-texto); /* 5.0:1 sobre o tom de fundo laranja-claro */
  margin-bottom: 18px;
}
.step__num::before { content: "0" counter(step); }
.step h3 { margin-bottom: 8px; }
.step p { color: var(--terciario); font-size: .97rem; }
.step__icon { position: absolute; top: 26px; right: 24px; color: var(--ambar); opacity: .9; }

/* ---- Para quem ----------------------------------------------------------- */
.audience { background: var(--branco); border-block: 1px solid var(--linha); }
.audience__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 60px);
  align-items: center;
}
.segments {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.segment {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  background: var(--offwhite);
  border: 1px solid var(--linha);
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--tinta);
}
.segment svg { color: var(--laranja); flex: none; }
.audience__note {
  margin-top: 22px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: var(--offwhite);
  border: 1px solid var(--linha);
  color: var(--tinta);
  font-weight: 600;
  font-size: .92rem;
}
.audience__note svg { color: var(--verde); } /* check verde como acento pontual */

/* ---- Diferencial (meta-prova) ------------------------------------------- */
.meta {
  background: var(--tinta);
  color: var(--offwhite);
  border-radius: clamp(20px, 3vw, 28px);
  padding: clamp(40px, 6vw, 72px);
  text-align: center;
  max-width: 920px;
  margin-inline: auto;
}
.meta h2 { color: var(--offwhite); }
.meta h2 .stress { color: var(--laranja); }
.meta p { color: color-mix(in srgb, var(--offwhite) 80%, transparent); max-width: 40em; margin: 20px auto 0; font-size: clamp(1.02rem, 1.5vw, 1.18rem); }
.meta__tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid color-mix(in srgb, var(--offwhite) 22%, transparent);
  color: var(--ambar);
  font-family: var(--font-titulo);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* ---- Resultados / números ----------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--linha);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
}
.stat__num {
  font-family: var(--font-titulo);
  font-weight: 800;
  font-size: clamp(2.4rem, 4vw, 3.1rem);
  line-height: 1;
  color: var(--verde);
  letter-spacing: -0.03em;
}
.stat__num .unit { font-size: .5em; color: var(--terciario); margin-left: 4px; }
.stat__label { margin-top: 12px; font-weight: 600; color: var(--tinta); }
.stat__sub { margin-top: 4px; color: var(--terciario); font-size: .92rem; }

/* ---- CTA final + formulário --------------------------------------------- */
.cta {
  background: var(--tinta);
  color: var(--offwhite);
}
.cta__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 6vw, 72px);
  align-items: center;
}
.cta h2 { color: var(--offwhite); }
.cta h2 .stress { color: var(--laranja); }
.cta .lead { color: color-mix(in srgb, var(--offwhite) 78%, transparent); }
.cta__list { margin-top: 24px; display: grid; gap: 12px; }
.cta__list li { display: flex; gap: 12px; align-items: center; color: color-mix(in srgb, var(--offwhite) 86%, transparent); }
.cta__list svg { color: var(--ambar); flex: none; }

.form {
  background: var(--branco);
  color: var(--tinta);
  border-radius: var(--radius);
  padding: clamp(24px, 3vw, 34px);
  box-shadow: var(--shadow-md);
}
.form h3 { margin-bottom: 4px; }
.form__hint { color: var(--terciario); font-size: .92rem; margin-bottom: 18px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 7px; color: var(--grafite); }
.field input,
.field select {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  color: var(--tinta);
  padding: 13px 15px;
  border: 1px solid var(--linha);
  border-radius: var(--radius-sm);
  background: var(--offwhite);
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}
.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--laranja-escuro);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--laranja) 22%, transparent);
}
.form .btn { width: 100%; margin-top: 6px; }
.form__legal { margin-top: 14px; font-size: .82rem; color: var(--terciario); text-align: center; }
.form__success {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: #EAF5EE; /* fallback p/ browsers sem color-mix */
  background: color-mix(in srgb, var(--verde) 12%, var(--branco));
  border: 1px solid color-mix(in srgb, var(--verde) 35%, var(--linha));
  color: var(--verde-texto); /* 5.8:1 sobre o verde-claro */
  font-weight: 600;
}
.form[data-state="sent"] .form__success { display: flex; }
.form[data-state="sent"] .form__fields { display: none; }

/* ---- Footer -------------------------------------------------------------- */
.footer {
  background: var(--grafite);
  color: #B4B1AA; /* fallback p/ browsers sem color-mix (evita texto escuro sobre escuro) */
  color: color-mix(in srgb, var(--offwhite) 72%, transparent);
  padding-block: clamp(48px, 6vw, 72px) 32px;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid color-mix(in srgb, var(--offwhite) 14%, transparent);
}
.footer .brand__word { color: var(--offwhite); }
.footer__tagline { margin-top: 16px; max-width: 26em; color: color-mix(in srgb, var(--offwhite) 64%, transparent); }
.footer__col h4 { color: var(--offwhite); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 16px; font-weight: 700; }
.footer__col a { color: #C2BFB8; color: color-mix(in srgb, var(--offwhite) 74%, transparent); font-weight: 500; }
.footer__col a:hover { color: var(--offwhite); }
.footer__col li { margin-bottom: 10px; }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 24px;
  font-size: .88rem;
  color: color-mix(in srgb, var(--offwhite) 56%, transparent);
}

/* ---- Reveal on scroll ---------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
/* will-change só enquanto pendente; é liberado quando .is-visible entra */
[data-reveal]:not(.is-visible) { will-change: opacity, transform; }
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ---- Responsivo ---------------------------------------------------------- */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { order: -1; }
  .radar { max-width: 320px; }
  .provoke__grid,
  .audience__grid,
  .cta__grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav__links,
  .nav__actions .btn { display: none; }
  .nav__toggle { display: inline-flex; align-items: center; justify-content: center; }

  /* Menu mobile */
  .nav__links {
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px var(--gutter) 20px;
    background: var(--offwhite);
    border-bottom: 1px solid var(--linha);
    box-shadow: var(--shadow-md);
  }
  .nav[data-open="true"] .nav__links { display: flex; }
  .nav__links a { padding: 12px 4px; border-bottom: 1px solid var(--linha); font-size: 1.05rem; }
  .nav__cta { display: block; }
  .nav__links a.btn { display: inline-flex; margin-top: 10px; border-bottom: none; padding: 14px 22px; }

  .stats { grid-template-columns: 1fr; }
  .segments { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; gap: 28px; }
  .hero__cta .btn { flex: 1 1 auto; }
}

@media (max-width: 460px) {
  .steps { grid-template-columns: 1fr; }
}