/* =========================================================
   VOA-SUL — folha de estilo principal
   Paleta da marca: azul-marinho (nome) + azul-claro (curva)
   ========================================================= */

:root {
  --navy-900: #04102a;
  --navy-800: #07183a;
  --navy: #0a2050;
  --navy-600: #16336b;
  --sky: #29abe2;
  --sky-600: #1789bb;
  --sky-100: #e8f6fd;

  --ink: #16233a;
  --muted: #5b6b84;
  --line: #e2e8f2;
  --bg: #ffffff;
  --bg-soft: #f5f8fc;

  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(4, 16, 42, .06), 0 4px 12px rgba(4, 16, 42, .05);
  --shadow-md: 0 10px 30px rgba(4, 16, 42, .10);

  --wrap: 1140px;
  --font-display: "Poppins", "Century Gothic", "Futura", "Trebuchet MS", sans-serif;
  --font-text: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  /* curvas de aceleração usadas nas animações */
  --mola: cubic-bezier(.34, 1.4, .5, 1);
  --saida: cubic-bezier(.22, .8, .3, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-text);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--sky-600); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 .6em;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(2rem, 5vw, 3.15rem); font-weight: 400; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.25rem); font-weight: 400; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1.1em; }
ul { margin: 0 0 1.1em; padding-left: 1.15em; }
li { margin-bottom: .4em; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; border-radius: 4px; }

/* ---------- utilitários ---------- */
.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }
.section { padding: clamp(3.2rem, 7vw, 5.5rem) 0; }
.section--soft { background: var(--bg-soft); border-block: 1px solid var(--line); }
.section-head { max-width: 720px; margin-bottom: 2.6rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sky-600);
  margin-bottom: .7rem;
}
.lead { font-size: 1.1rem; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: .9rem; }
.center { text-align: center; }
.stack > * + * { margin-top: 1rem; }

.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }

/* ---------- botões ---------- */
.btn {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-display);
  font-size: .98rem;
  font-weight: 500;
  padding: .78rem 1.5rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition:
    transform .25s var(--mola),
    box-shadow .25s ease,
    background-color .25s ease,
    border-color .25s ease,
    color .25s ease;
}
/* brilho que atravessa o botão ao passar o mouse */
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(115deg, transparent 35%, rgba(255, 255, 255, .32) 50%, transparent 65%);
  transform: translateX(-130%);
  transition: transform .7s var(--saida);
}
.btn:hover::after { transform: translateX(130%); }
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(.97); transition-duration: .08s; }

.btn--primary { background: var(--sky); color: #fff; }
.btn--primary:hover { background: var(--sky-600); color: #fff; box-shadow: 0 10px 22px rgba(41, 171, 226, .35); }
.btn--dark { background: var(--navy); color: #fff; }
.btn--dark:hover { background: var(--navy-800); color: #fff; box-shadow: 0 10px 24px rgba(10, 32, 80, .32); }
.btn--ghost { border-color: rgba(255, 255, 255, .45); color: #fff; }
.btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .12); color: #fff; }
.btn--outline { border-color: var(--line); color: var(--navy); background: #fff; }
.btn--outline:hover { border-color: var(--sky); color: var(--sky-600); box-shadow: 0 8px 18px rgba(4, 16, 42, .10); }
.btn--outline::after { background: linear-gradient(115deg, transparent 35%, rgba(41, 171, 226, .14) 50%, transparent 65%); }
.btn--block { width: 100%; justify-content: center; }

/* ---------- cabeçalho ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s ease, background-color .3s ease;
}
/* o cabeçalho se compacta e ganha sombra ao rolar a página */
.site-header.is-scrolled { background: rgba(255, 255, 255, .97); box-shadow: 0 6px 26px rgba(4, 16, 42, .09); }
.site-header.is-scrolled .site-header__inner { min-height: 68px; }
.site-header__inner { transition: min-height .3s var(--saida); }
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 82px;
}
.brand { display: flex; align-items: center; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand img { width: auto; height: 54px; transition: height .3s var(--saida), transform .3s var(--mola); }
.brand:hover img { transform: scale(1.04); }
.site-header.is-scrolled .brand img { height: 44px; }
.nav { display: flex; align-items: center; gap: .35rem; }
.nav a {
  position: relative;
  font-family: var(--font-display);
  font-size: .95rem;
  color: var(--navy);
  padding: .5rem .8rem;
  border-radius: 999px;
  transition: color .2s ease, background-color .2s ease;
}
/* traço que cresce sob o item do menu */
.nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: .8rem;
  right: .8rem;
  bottom: .3rem;
  height: 2px;
  border-radius: 2px;
  background: var(--sky);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .28s var(--saida);
}
.nav a:not(.btn):hover::after,
.nav a:not(.btn)[aria-current="page"]::after { transform: scaleX(1); }
.nav a:hover { color: var(--sky-600); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--sky-600); font-weight: 500; }
.nav .btn { margin-left: .5rem; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 20px; height: 2px; background: var(--navy);
  margin-inline: auto; position: relative;
  transition: transform .28s var(--saida), opacity .2s ease;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
/* as três barras viram um X quando o menu abre */
.nav-toggle[aria-expanded="true"] span { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(-90deg); }
.nav-toggle[aria-expanded="true"] span::after { opacity: 0; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute;
    inset: 82px 0 auto;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: .8rem 1.25rem 1.4rem;
    gap: .2rem;
    box-shadow: var(--shadow-md);
    display: none;
  }
  .nav.is-open { display: flex; animation: descer .28s var(--saida); }
  .nav a { padding: .75rem .5rem; }
  .nav .btn { margin: .6rem 0 0; justify-content: center; }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--navy-900) 0%, var(--navy) 55%, var(--navy-600) 100%);
  color: #fff;
  padding: clamp(3.5rem, 8vw, 6.5rem) 0 clamp(3.5rem, 8vw, 6rem);
}
.hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -10%;
  width: 70%;
  height: 140%;
  background: radial-gradient(closest-side, rgba(41, 171, 226, .22), transparent 70%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 900px) { .hero__inner { grid-template-columns: 1.05fr .95fr; } }
.hero h1 { color: #fff; margin-bottom: 1rem; }
.hero p { color: rgba(255, 255, 255, .82); font-size: 1.1rem; max-width: 38ch; }
.hero .eyebrow { color: var(--sky); }
.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }
.hero__art {
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .16);
  padding: clamp(1.5rem, 4vw, 2.75rem);
}
.hero__art img { width: 100%; height: auto; }

/* entrada escalonada do hero */
.hero .eyebrow    { animation: surgir .7s var(--saida) .05s both; }
.hero h1          { animation: surgir .7s var(--saida) .15s both; }
.hero__inner p    { animation: surgir .7s var(--saida) .25s both; }
.hero__actions    { animation: surgir .7s var(--saida) .35s both; }
.hero__art        { animation: surgir .8s var(--saida) .3s both; }
/* o símbolo é revelado da esquerda para a direita, como um traço sendo feito */
.hero__art img {
  animation:
    tracar 1.5s var(--saida) .55s both,
    flutuar 7s ease-in-out 2.2s infinite;
}

/* ---------- barra de compromissos ---------- */
.pledges { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.pledge { display: flex; gap: .8rem; align-items: flex-start; }
.pledge__icon {
  flex: 0 0 auto;
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--sky-100);
  color: var(--sky-600);
  display: grid; place-items: center;
  font-size: 1.05rem;
  transition: transform .3s var(--mola), background-color .3s ease, color .3s ease;
}
.pledge:hover .pledge__icon { transform: translateY(-3px) scale(1.1); background: var(--sky); color: #fff; }
.pledge strong { display: block; font-family: var(--font-display); font-weight: 500; color: var(--navy); }
.pledge span { font-size: .92rem; color: var(--muted); }

/* ---------- cartões ---------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform .3s var(--saida), box-shadow .3s ease, border-color .3s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: #ccdff2; }
.card__num {
  font-family: var(--font-display);
  font-size: .8rem;
  letter-spacing: .14em;
  color: var(--sky-600);
  margin-bottom: .6rem;
}
.card p:last-child { margin-bottom: 0; }

/* ---------- produtos ---------- */
.product { overflow: hidden; padding: 0; }
.product__media {
  aspect-ratio: 16 / 10;
  background: linear-gradient(150deg, var(--navy-800), var(--navy-600));
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.product__media img {
  width: 46%;
  opacity: .5;
  transition: transform .55s var(--saida), opacity .35s ease;
}
.product:hover .product__media img { transform: scale(1.12) translateX(4px); opacity: .85; }
.product__badge { transition: transform .3s var(--mola), background-color .3s ease; }
.product:hover .product__badge { transform: translateY(-2px); background: #fff; }
.product__badge {
  position: absolute;
  top: .8rem; left: .8rem;
  background: rgba(255, 255, 255, .92);
  color: var(--navy);
  font-family: var(--font-display);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .3rem .65rem;
  border-radius: 999px;
}
.product__body { padding: 1.5rem; display: flex; flex-direction: column; flex: 1; }
.product__body h3 { margin-bottom: .35rem; }
.product__price {
  font-family: var(--font-display);
  color: var(--navy);
  font-weight: 500;
  margin: .2rem 0 1rem;
}
.product__price small { display: block; font-weight: 400; color: var(--muted); font-size: .8rem; letter-spacing: .02em; }
.product__specs { list-style: none; padding: 0; margin: 0 0 1.4rem; font-size: .93rem; color: var(--muted); }
.product__specs li { display: flex; justify-content: space-between; gap: 1rem; padding: .42rem 0; border-bottom: 1px dashed var(--line); }
.product__specs li:last-child { border-bottom: 0; }
.product__specs b { color: var(--ink); font-weight: 500; text-align: right; }
.product__body .btn { margin-top: auto; }

/* ---------- faixa de destaque ---------- */
.band {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-900) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(1.8rem, 4vw, 3rem);
  display: grid;
  gap: 1.5rem;
  align-items: center;
}
@media (min-width: 860px) { .band { grid-template-columns: 1.4fr auto; } }
.band h2 { color: #fff; }
.band p { color: rgba(255, 255, 255, .8); margin-bottom: 0; }

/* ---------- passos ---------- */
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 1.1rem; }
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 1rem;
  align-items: start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.3rem;
  transition: transform .3s var(--saida), border-color .3s ease, box-shadow .3s ease;
}
.steps li:hover { transform: translateX(6px); border-color: #ccdff2; box-shadow: var(--shadow-sm); }
.steps li::before {
  content: counter(step);
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--sky-100);
  color: var(--navy);
  font-family: var(--font-display);
  font-weight: 500;
  display: grid; place-items: center;
  transition: transform .3s var(--mola), background-color .3s ease, color .3s ease;
}
.steps li:hover::before { transform: scale(1.12); background: var(--sky); color: #fff; }
.steps strong { display: block; font-family: var(--font-display); color: var(--navy); font-weight: 500; }
.steps span { color: var(--muted); font-size: .95rem; }

/* ---------- tabela ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table { border-collapse: collapse; width: 100%; min-width: 520px; font-size: .95rem; }
th, td { text-align: left; padding: .85rem 1.1rem; border-bottom: 1px solid var(--line); }
th { font-family: var(--font-display); font-weight: 500; color: var(--navy); background: var(--bg-soft); }
tr:last-child td { border-bottom: 0; }

/* ---------- FAQ ---------- */
.faq { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:last-child { border-bottom: 0; }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 1.3rem;
  font-family: var(--font-display);
  color: var(--navy);
  display: flex; justify-content: space-between; gap: 1rem; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary { transition: background-color .25s ease, color .25s ease; }
.faq summary:hover { background: var(--sky-100); }
.faq summary::after {
  content: "+";
  color: var(--sky-600);
  font-size: 1.3rem;
  line-height: 1;
  transition: transform .3s var(--mola);
}
.faq details[open] summary::after { transform: rotate(135deg); }
.faq details[open] > div { animation: surgir .4s var(--saida); }
.faq details > div { padding: 0 1.3rem 1.2rem; color: var(--muted); }
.faq details > div p:last-child { margin-bottom: 0; }

/* ---------- formulário ---------- */
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 4vw, 2.4rem);
  box-shadow: var(--shadow-md);
}
.field { margin-bottom: 1.15rem; }
.field label {
  display: block;
  font-family: var(--font-display);
  font-size: .92rem;
  color: var(--navy);
  margin-bottom: .38rem;
}
.field .hint { display: block; font-size: .82rem; color: var(--muted); font-family: var(--font-text); margin-top: .25rem; }
input, select, textarea {
  width: 100%;
  font: inherit;
  font-size: .98rem;
  color: var(--ink);
  padding: .72rem .9rem;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: #fff;
  transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--sky);
  box-shadow: 0 0 0 3px rgba(41, 171, 226, .18);
}
textarea { resize: vertical; min-height: 130px; }
.field-row { display: grid; gap: 1.15rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.field-error { color: #c0392b; font-size: .85rem; margin-top: .3rem; display: none; }
.field.has-error input, .field.has-error select, .field.has-error textarea {
  border-color: #c0392b;
  animation: tremer .4s ease;
}
.field.has-error .field-error { display: block; animation: surgir .3s var(--saida); }
.form-note { font-size: .88rem; color: var(--muted); }
.form-status {
  display: none;
  margin-top: 1.2rem;
  padding: 1rem 1.15rem;
  border-radius: 10px;
  background: var(--sky-100);
  border: 1px solid rgba(41, 171, 226, .35);
  color: var(--navy);
  font-size: .95rem;
}
.form-status.is-visible { display: block; animation: surgir .4s var(--saida); }

/* ---------- aviso de conteúdo provisório ---------- */
.notice {
  background: #fff8e6;
  border: 1px solid #f0dca8;
  color: #6b5417;
  border-radius: var(--radius);
  padding: .9rem 1.1rem;
  font-size: .9rem;
}
.notice p:last-child { margin-bottom: 0; }

/* ---------- rodapé ---------- */
.site-footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, .72);
  padding: 3.2rem 0 1.8rem;
  font-size: .95rem;
}
.site-footer h4 {
  color: #fff;
  font-size: .82rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.site-footer a { color: rgba(255, 255, 255, .78); }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .5rem; }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.footer-brand .brand img { height: 62px; }
.footer-brand p { margin-top: 1rem; max-width: 34ch; }
.footer-bottom {
  margin-top: 2.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(255, 255, 255, .12);
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.5rem;
  justify-content: space-between;
  font-size: .85rem;
  color: rgba(255, 255, 255, .55);
}

/* ---------- página interna: capa ---------- */
.page-head {
  background: linear-gradient(160deg, var(--navy-900), var(--navy));
  color: #fff;
  padding: clamp(2.6rem, 6vw, 4.2rem) 0;
}
.page-head h1 { color: #fff; margin-bottom: .5rem; }
.page-head p { color: rgba(255, 255, 255, .8); max-width: 60ch; margin-bottom: 0; }
.breadcrumb { font-size: .85rem; color: rgba(255, 255, 255, .6); margin-bottom: .8rem; }
.breadcrumb a { color: rgba(255, 255, 255, .8); }

/* =========================================================
   ANIMAÇÕES
   ========================================================= */

@keyframes surgir {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}
@keyframes descer {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: none; }
}
/* revela o desenho da esquerda para a direita, como um traço sendo feito */
@keyframes tracar {
  from { clip-path: inset(0 100% 0 0); }
  to   { clip-path: inset(0 0 0 0); }
}
@keyframes flutuar {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-9px); }
}
@keyframes tremer {
  0%, 100%   { transform: translateX(0); }
  20%, 60%   { transform: translateX(-5px); }
  40%, 80%   { transform: translateX(5px); }
}

/* Entrada dos blocos conforme a página é rolada.
   A classe .js é posta pelo próprio script; sem JavaScript o conteúdo
   aparece normalmente, sem depender de nenhuma animação. */
.js .revelar {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity .7s var(--saida),
    transform .7s var(--saida);
  transition-delay: var(--atraso, 0s);
  will-change: opacity, transform;
}
.js .revelar.is-visible { opacity: 1; transform: none; }

/* links e itens de lista */
.site-footer a { transition: color .2s ease, padding-left .2s var(--saida); }
.site-footer a:hover { padding-left: 4px; }
.table-wrap tbody tr { transition: background-color .2s ease; }
.table-wrap tbody tr:hover { background: var(--sky-100); }
.band { transition: transform .4s var(--saida); }
.band:hover { transform: translateY(-3px); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  /* garante que nada fique invisível quando as animações são desligadas */
  .js .revelar { opacity: 1 !important; transform: none !important; }
}