/* ============================================================
   ES11 · Base — reset, elementos, primitivos de layout,
   navegação, botões e rodapé.
   ============================================================ */

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

* {
  margin: 0;
}

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

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

html {
  overflow-x: clip;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-body);
  line-height: var(--lh-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overflow-wrap: break-word;
}

/* Itens de grid podem encolher (evita que palavras/linhas longas
   estiquem a coluna além da viewport no mobile). */
.hero__inner > *,
.sobre__grid > *,
.faq__grid > *,
.es11__inner > *,
.footer__grid > * {
  min-width: 0;
}

/* No mobile, as quebras fixas dos títulos viram espaço — isso é feito em
   js/reveal.js (softenBreaks), e não via CSS: esconder o <br> removeria a
   quebra sem inserir espaço, colando as palavras vizinhas. */

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

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: var(--fw-display);
  line-height: var(--lh-title);
  letter-spacing: -0.01em;
  color: var(--navy-900);
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

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

::selection {
  background: var(--navy-900);
  color: var(--paper);
}

/* --- Primitivos de layout --- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--section-y);
  position: relative;
}

.section--tint {
  background: var(--paper-2);
}

.section--cool {
  background: var(--paper-3);
}

/* Faixa NAVY — distribui o azul-marinho pela página (mesma disposição da
   LP de referência: "Para quem é", "Como funciona" e o fecho). Texto vira
   claro; eyebrow/filetes em dourado claro para legibilidade sobre o azul. */
.section--navy {
  background: var(--navy-900);
  color: var(--on-navy);
}
.section--navy h2 {
  color: var(--paper);
}
.section--navy .lead {
  color: var(--on-navy-70);
}
.section--navy .eyebrow {
  color: var(--gold-soft);
}
.section--navy .eyebrow::before,
.section--navy .eyebrow::after {
  background: var(--gold-soft);
}

.measure {
  max-width: var(--maxw-text);
}

/* Eyebrow / kicker */
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--gold-deep);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--gold-line);
}

.eyebrow--center {
  justify-content: center;
}

.lead {
  font-size: var(--fs-body-lg);
  color: var(--ink-70);
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 200;
  background: var(--navy-900);
  color: var(--paper);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  transition: top var(--dur-ui) var(--ease-out);
}
.skip-link:focus {
  top: 12px;
}

/* --- Botões --- */
.btn {
  --btn-bg: var(--navy-900);
  --btn-fg: var(--paper);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.01em;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  padding: 0.95rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out),
    background-color var(--dur-ui) var(--ease-out), box-shadow var(--dur-ui) var(--ease-out),
    border-color var(--dur-ui) var(--ease-out);
  will-change: transform;
}

.btn svg {
  width: 1.15em;
  height: 1.15em;
  flex: none;
}

.btn:active {
  transform: scale(0.97);
}

@media (hover: hover) and (pointer: fine) {
  .btn--primary:hover {
    background: var(--navy-700);
    box-shadow: 0 14px 34px -18px rgba(10, 26, 47, 0.7);
  }
  .btn--ghost:hover {
    border-color: var(--navy-900);
    background: rgba(10, 26, 47, 0.04);
  }
  .btn--on-navy:hover {
    background: var(--gold-soft);
  }
  .btn--wa:hover {
    background: var(--wa-deep);
  }
}

.btn--primary {
  --btn-bg: var(--navy-900);
  --btn-fg: var(--paper);
}

/* filete de ouro sutil no CTA principal */
.btn--primary {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06), 0 10px 30px -20px rgba(10, 26, 47, 0.7);
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--navy-900);
  border-color: var(--hairline);
}

.btn--on-navy {
  --btn-bg: var(--gold);
  --btn-fg: var(--navy-900);
}

/* WhatsApp — verde de plataforma (#25D366), restrito ao botão do header.
   Texto/ícone em navy (Inchiostro): branco sobre #25D366 reprova em AA
   (~2:1); navy sobre o verde passa com folga (~8.4:1). */
.btn--wa {
  --btn-bg: var(--wa);
  --btn-fg: var(--navy-900);
  box-shadow: 0 8px 22px -16px rgba(18, 140, 60, 0.9);
}

.btn--lg {
  padding: 1.1rem 1.9rem;
  font-size: 1.02rem;
}

.btn--sm {
  padding: 0.7rem 1.1rem;
  font-size: 0.86rem;
}

/* Link com filete que cresce */
.link-underline {
  position: relative;
  font-weight: var(--fw-medium);
  color: var(--ink);
  padding-bottom: 2px;
}
.link-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(var(--u, 0));
  transform-origin: left;
  transition: transform var(--dur-ui) var(--ease-out);
}
@media (hover: hover) {
  .link-underline:hover {
    --u: 1;
  }
}
.link-underline:focus-visible {
  --u: 1;
}

/* ============================================================
   NAV — header flutuante (sticky)
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background-color var(--dur-ui) var(--ease-out),
    box-shadow var(--dur-ui) var(--ease-out), border-color var(--dur-ui) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--hairline);
  box-shadow: 0 1px 24px -18px rgba(10, 26, 47, 0.6);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: var(--fw-semibold);
  color: var(--navy-900);
  white-space: nowrap;
}
/* Logo oficial da ES11 (PNG transparente) */
.nav__logo {
  height: 40px;
  width: auto;
  display: block;
}
.nav__brand .brand-sub {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-55);
  border-left: 1px solid var(--hairline);
  padding-left: 0.55rem;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  margin-left: auto;
}
.nav__links a {
  position: relative;
  font-size: 0.92rem;
  font-weight: var(--fw-medium);
  color: var(--ink-70);
  padding: 0.4rem 0;
  transition: color var(--dur-ui) var(--ease-out);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 1px;
  background: var(--gold-line);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-ui) var(--ease-out);
}
@media (hover: hover) {
  .nav__links a:hover {
    color: var(--navy-900);
  }
  .nav__links a:hover::after {
    transform: scaleX(1);
  }
}
.nav__links a:focus-visible::after {
  transform: scaleX(1);
}

.nav__cta {
  margin-left: 0.4rem;
}
.nav__links + .nav__cta {
  margin-left: 0;
}

.nav__toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.nav__toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--navy-900);
  transition: transform var(--dur-ui) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.nav__toggle span + span {
  margin-top: 4px;
}

/* --- Mobile nav --- */
@media (max-width: 860px) {
  .nav__links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 0.5rem var(--gutter) 1.25rem;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    border-bottom: 1px solid var(--hairline);
    box-shadow: var(--shadow-md);
    clip-path: inset(0 0 100% 0);
    opacity: 0;
    pointer-events: none;
    transition: clip-path var(--dur-ui) var(--ease-out), opacity var(--dur-ui) var(--ease-out);
  }
  .nav.is-open .nav__links {
    clip-path: inset(0 0 0 0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__links a {
    padding: 0.95rem 0;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--hairline);
  }
  .nav__links a::after {
    display: none;
  }
  .nav__toggle {
    display: grid;
    order: 3;
  }
  .nav__cta {
    order: 2;
    margin-left: auto;
  }
  .nav.is-open .nav__toggle span:nth-child(1) {
    transform: translateY(3px) rotate(45deg);
  }
  .nav.is-open .nav__toggle span:nth-child(2) {
    transform: translateY(-3px) rotate(-45deg);
  }
}

@media (max-width: 560px) {
  /* No celular o botão do header vira ícone-only (o rótulo longo estouraria
     o header ao lado do menu). O nome acessível vem do aria-label no HTML. */
  .nav__cta .cta-full {
    display: none;
  }
  /* Botão do header precisa de área de toque confortável (>=44x44) */
  .nav__cta {
    padding: 0.65rem 0.8rem;
    min-width: 44px;
    min-height: 44px;
  }
  /* header mais baixo devolve altura para a 1ª dobra no celular */
  :root {
    --nav-h: 62px;
  }
  .nav__logo {
    height: 32px;
  }
}
@media (max-width: 400px) {
  .nav__brand .brand-sub {
    display: none;
  }
}

/* ============================================================
   WHATSAPP FLUTUANTE (mobile)
   Botão dinâmico que aparece ao rolar para além do hero e some
   perto do rodapé. Substitui o CTA de WhatsApp do header no celular
   (o header fica só com logo + menu). No desktop permanece oculto.
   O `:has(.wa-fab)` garante que só páginas COM o botão escondem o
   CTA do header — páginas sem o flutuante (ex.: João) não são afetadas.
   ============================================================ */
.wa-fab {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right, 0px));
  bottom: max(1rem, env(safe-area-inset-bottom, 0px));
  z-index: 200;
  display: none;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.1rem;
  background: var(--wa);
  color: var(--navy-900);
  font-weight: var(--fw-semibold);
  font-size: 0.95rem;
  line-height: 1;
  text-decoration: none;
  border-radius: var(--radius-pill);
  box-shadow: 0 14px 32px -12px rgba(18, 140, 60, 0.6), 0 4px 10px -5px rgba(10, 26, 47, 0.35);
  opacity: 0;
  transform: translateY(14px) scale(0.96);
  transition: opacity var(--dur-ui) var(--ease-out), transform var(--dur-ui) var(--ease-out);
}
.wa-fab svg {
  width: 24px;
  height: 24px;
  flex: none;
}
.wa-fab.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .wa-fab {
    transform: none;
    transition: opacity var(--dur-ui) var(--ease-out);
  }
}
@media (max-width: 860px) {
  .wa-fab {
    display: inline-flex;
  }
  body:has(.wa-fab) .nav__cta {
    display: none;
  }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--navy-900);
  color: var(--on-navy);
  padding-block: clamp(3.5rem, 7vh, 5.5rem) 2.5rem;
  position: relative;
}
.footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-line), transparent);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

/* Logo em versão reversa (monocromática branca) sobre o navy */
.footer__logo {
  height: 52px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
  opacity: 0.92;
}
.footer__brand p {
  margin-top: 0.9rem;
  color: var(--on-navy-70);
  font-size: 0.95rem;
  max-width: 34ch;
}

.footer__col h3 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--on-navy-55);
  margin-bottom: 1rem;
}
.footer__col ul {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}
/* inline-block + padding garante altura de toque >= 24px (WCAG 2.5.8) */
.footer__col a {
  display: inline-block;
  padding-block: 0.35rem;
  color: var(--on-navy-70);
  font-size: 0.95rem;
  transition: color var(--dur-ui) var(--ease-out);
}
@media (hover: hover) {
  .footer__col a:hover {
    color: var(--gold-soft);
  }
}

.footer__legal {
  margin-top: clamp(2.5rem, 5vh, 3.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--hairline-dark);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: center;
}
.footer__disclaimer {
  color: var(--on-navy-55);
  font-size: 0.82rem;
  line-height: 1.6;
  max-width: 68ch;
}
.footer__copy {
  color: var(--on-navy-55);
  font-size: 0.82rem;
}

@media (max-width: 720px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer__brand {
    grid-column: 1 / -1;
  }
}
@media (max-width: 460px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}