/* ==========================================================================
   AQUAYU — Site institucional
   Paleta derivada do logo: azul-marinho profundo + azul-claro da onda
   ========================================================================== */

:root {
  --navy-900: #0b2239;
  --navy-800: #123a5c;
  --navy-700: #1a4a74;
  --aqua-400: #5bc2f0;
  --aqua-500: #2e9fd6;
  --aqua-600: #1f83ba;

  --ink: #10263c;
  --ink-soft: #45607a;
  --line: #dce9f2;

  --bg-light: #f4f9fc;
  --bg-white: #ffffff;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 6px 24px rgba(11, 34, 57, 0.08);
  --shadow-card-hover: 0 14px 34px rgba(11, 34, 57, 0.14);
  --font-title: "Sora", sans-serif;
  --font-body: "Inter", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { font-family: var(--font-title); line-height: 1.18; color: var(--navy-900); }

section[id] { scroll-margin-top: 84px; }

.container { width: min(1120px, 100% - 48px); margin-inline: auto; }

/* ---------- Eyebrow / títulos ---------- */
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--aqua-600);
  margin-bottom: 14px;
}
.eyebrow--light { color: var(--aqua-400); }

.section__title { font-size: clamp(1.6rem, 3.2vw, 2.35rem); font-weight: 700; }
.section--dark .section__title { color: #fff; }

.section__lead {
  margin-top: 14px;
  max-width: 620px;
  color: var(--ink-soft);
  font-size: 1.02rem;
}
.section--dark .section__lead { color: #b9d3e6; }

.section__head { max-width: 680px; margin-bottom: 48px; }

.text-gradient {
  background: linear-gradient(92deg, var(--aqua-400), #8fd8ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn:active { transform: translateY(1px); }

.btn__icon { width: 16px; height: 16px; flex: 0 0 16px; }

.btn--primary { background: var(--navy-900); color: #fff; }
.btn--primary:hover { background: var(--navy-800); box-shadow: 0 8px 20px rgba(11, 34, 57, 0.25); }

.btn--accent {
  background: linear-gradient(135deg, var(--aqua-400), var(--aqua-600));
  color: var(--navy-900);
  box-shadow: 0 8px 24px rgba(46, 159, 214, 0.35);
}
.btn--accent:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(46, 159, 214, 0.45); }

.btn--ghost {
  color: #dff1fb;
  border-color: rgba(143, 216, 255, 0.45);
}
.btn--ghost:hover { border-color: var(--aqua-400); color: #fff; background: rgba(91, 194, 240, 0.08); }

.btn--block { width: 100%; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 4px 20px rgba(11, 34, 57, 0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 10px;
}

.header__logo {
  height: 51px;
  width: auto;
}
@media (max-width: 640px) {
  .header__logo { height: 42px; }
}

.nav { display: flex; align-items: center; gap: 26px; }

.nav__link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.15s ease;
}
.nav__link:hover { color: var(--aqua-600); }

.nav__cta { padding: 10px 20px; margin-left: 6px; }

/* Menu hambúrguer (mobile) */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: none;
  border: 0;
  cursor: pointer;
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--navy-900);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 190px 0 130px;
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(46, 159, 214, 0.28), transparent 60%),
    linear-gradient(160deg, var(--navy-800), var(--navy-900) 55%);
  overflow: hidden;
}

.hero__bg { position: absolute; inset: 0; pointer-events: none; }

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
}
.hero__glow--a { width: 420px; height: 420px; left: -120px; top: 10%; background: rgba(91, 194, 240, 0.35); }
.hero__glow--b { width: 380px; height: 380px; right: -100px; bottom: -80px; background: rgba(46, 159, 214, 0.3); }

/* Bolhas subindo */
.bubbles { position: absolute; inset: 0; }
.bubbles span {
  position: absolute;
  bottom: -40px;
  width: var(--s, 14px);
  height: var(--s, 14px);
  border: 1.5px solid rgba(143, 216, 255, 0.35);
  border-radius: 50%;
  animation: rise var(--d, 14s) linear infinite;
  animation-delay: var(--delay, 0s);
  left: var(--x, 50%);
}
.bubbles span:nth-child(1)  { --s: 10px; --x: 6%;  --d: 16s; --delay: 0s; }
.bubbles span:nth-child(2)  { --s: 18px; --x: 14%; --d: 20s; --delay: 3s; }
.bubbles span:nth-child(3)  { --s: 8px;  --x: 26%; --d: 13s; --delay: 6s; }
.bubbles span:nth-child(4)  { --s: 14px; --x: 38%; --d: 18s; --delay: 1s; }
.bubbles span:nth-child(5)  { --s: 22px; --x: 47%; --d: 22s; --delay: 8s; }
.bubbles span:nth-child(6)  { --s: 9px;  --x: 57%; --d: 15s; --delay: 4s; }
.bubbles span:nth-child(7)  { --s: 16px; --x: 66%; --d: 19s; --delay: 2s; }
.bubbles span:nth-child(8)  { --s: 11px; --x: 74%; --d: 14s; --delay: 7s; }
.bubbles span:nth-child(9)  { --s: 20px; --x: 84%; --d: 21s; --delay: 5s; }
.bubbles span:nth-child(10) { --s: 8px;  --x: 92%; --d: 17s; --delay: 9s; }

@keyframes rise {
  0%   { transform: translateY(0) translateX(0); opacity: 0; }
  8%   { opacity: 0.9; }
  92%  { opacity: 0.7; }
  100% { transform: translateY(-92vh) translateX(24px); opacity: 0; }
}

.hero__inner { position: relative; text-align: center; max-width: 840px; }

.hero__title {
  color: #fff;
  font-size: clamp(2.2rem, 5.4vw, 3.9rem);
  font-weight: 800;
  letter-spacing: -0.015em;
}

.hero__subtitle {
  margin: 22px auto 0;
  max-width: 620px;
  color: #c3d9ea;
  font-size: clamp(1rem, 1.6vw, 1.14rem);
}

.hero__actions {
  margin-top: 34px;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero__chips {
  margin-top: 46px;
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}
.hero__chips li {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid rgba(143, 216, 255, 0.3);
  background: rgba(91, 194, 240, 0.08);
  color: #dff1fb;
  font-size: 0.85rem;
  font-weight: 500;
}

.hero__wave {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  line-height: 0;
}
.hero__wave svg { width: 100%; height: 90px; display: block; }

/* ---------- Seções ---------- */
.section { padding: 96px 0; }
.section--light { background: var(--bg-light); }
.section--white { background: var(--bg-white); }

.section--dark {
  background:
    radial-gradient(900px 420px at 12% 0%, rgba(46, 159, 214, 0.22), transparent 55%),
    linear-gradient(165deg, var(--navy-800), var(--navy-900));
}

/* ---------- Sobre ---------- */
.sobre__intro { max-width: 700px; }

.sobre__grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: start;
  margin-top: 42px;
}

.sobre__texto p { color: var(--ink-soft); margin-bottom: 16px; }
.sobre__texto strong { color: var(--navy-900); }

.sobre__ficha {
  margin-top: 30px;
  display: grid;
  gap: 12px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--aqua-500);
  border-radius: var(--radius-sm);
  background: #fff;
}
.sobre__ficha dt {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--aqua-600);
}
.sobre__ficha dd { color: var(--navy-900); font-weight: 500; }

.sobre__cards { display: grid; gap: 18px; }

.mini-card {
  padding: 24px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.mini-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }

.mini-card__icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  background: linear-gradient(135deg, rgba(91, 194, 240, 0.16), rgba(46, 159, 214, 0.22));
  color: var(--aqua-600);
}
.mini-card__icon svg { width: 24px; height: 24px; }

.mini-card h3 { font-size: 1.02rem; margin-bottom: 6px; }
.mini-card p { font-size: 0.92rem; color: var(--ink-soft); }

/* ---------- Produtos ---------- */
.produtos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.produto {
  position: relative;
  padding: 28px 24px;
  border-radius: var(--radius);
  background: var(--bg-light);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.produto:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  background: #fff;
}

.produto__icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-900));
  color: var(--aqua-400);
  box-shadow: 0 6px 16px rgba(11, 34, 57, 0.22);
}
.produto__icon svg { width: 28px; height: 28px; }

.produto h3 { font-size: 1.05rem; }
.produto p { font-size: 0.92rem; color: var(--ink-soft); flex: 1; }

.produto__tag {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--aqua-600);
  background: rgba(91, 194, 240, 0.14);
  border: 1px solid rgba(46, 159, 214, 0.3);
  padding: 4px 12px;
  border-radius: 999px;
}

.produtos__note {
  margin-top: 36px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.94rem;
}
.produtos__note a { color: var(--aqua-600); font-weight: 600; }

/* ---------- Qualidade ---------- */
.qualidade {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  position: relative;
}
.qualidade::before {
  content: "";
  position: absolute;
  top: 34px;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(91, 194, 240, 0.4), transparent);
}

.qualidade__item { position: relative; }

.qualidade__num {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  margin-bottom: 18px;
  border-radius: 50%;
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--aqua-400);
  background: rgba(91, 194, 240, 0.1);
  border: 1px solid rgba(91, 194, 240, 0.35);
  box-shadow: 0 0 0 6px rgba(91, 194, 240, 0.05);
}

.qualidade__item h3 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 8px;
}
.qualidade__item p { font-size: 0.9rem; color: #b9d3e6; }

.selos {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.selo {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(143, 216, 255, 0.16);
}

.selo__icon {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--aqua-400);
  background: rgba(91, 194, 240, 0.12);
}
.selo__icon svg { width: 22px; height: 22px; }

.selo p { font-size: 0.88rem; font-weight: 500; color: #dceef9; }

/* ---------- Contato ---------- */
.contato {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: start;
}

.contato__lead { margin-top: 16px; color: var(--ink-soft); }

.contato__canais {
  list-style: none;
  margin-top: 34px;
  display: grid;
  gap: 18px;
}
.contato__canais li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 18px;
  border-left: 3px solid var(--aqua-400);
}
.contato__canal-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--aqua-600);
}
.contato__canais a {
  color: var(--navy-900);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.15s ease;
}
.contato__canais a:hover { color: var(--aqua-600); text-decoration: underline; }
.contato__canais span:last-child { color: var(--ink-soft); font-weight: 500; }

/* Formulário */
.form {
  padding: 34px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  display: grid;
  gap: 18px;
}

.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.form__field { display: grid; gap: 7px; }

.form__field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy-900);
}

.form__field input,
.form__field select,
.form__field textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-light);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--aqua-500);
  box-shadow: 0 0 0 3px rgba(46, 159, 214, 0.18);
}
.form__field textarea { resize: vertical; min-height: 120px; }
.form__field input.invalid, .form__field select.invalid, .form__field textarea.invalid { border-color: #d94848; }

.form__hint { font-size: 0.85rem; color: var(--ink-soft); min-height: 1.2em; }

/* ---------- Footer ---------- */
.footer {
  background: var(--navy-900);
  color: #b9d3e6;
  padding: 64px 0 40px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.footer__logo { width: 140px; height: auto; margin-bottom: 16px; }
.footer__brand p { max-width: 300px; font-size: 0.94rem; }

.footer__nav { display: grid; gap: 10px; }
.footer__nav a {
  color: #b9d3e6;
  text-decoration: none;
  font-size: 0.94rem;
  transition: color 0.15s ease;
}
.footer__nav a:hover { color: var(--aqua-400); }

.footer__legal { font-size: 0.88rem; display: grid; gap: 3px; }
.footer__legal strong { color: #fff; }

.footer::after {
  content: "";
  display: block;
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--reveal-delay, 0s);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsivo ---------- */
@media (max-width: 960px) {
  .sobre__grid { grid-template-columns: 1fr; gap: 36px; }
  .produtos { grid-template-columns: repeat(2, 1fr); }
  .qualidade { grid-template-columns: repeat(2, 1fr); row-gap: 34px; }
  .qualidade::before { display: none; }
  .selos { grid-template-columns: repeat(2, 1fr); }
  .contato { grid-template-columns: 1fr; gap: 44px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }

  .nav {
    position: fixed;
    top: 69px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 20px 24px 26px;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px rgba(11, 34, 57, 0.1);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.22s ease, opacity 0.22s ease, visibility 0.22s;
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__link { padding: 10px 4px; font-size: 1rem; }
  .nav__cta { margin: 12px 0 0; justify-content: center; }
  .menu-toggle { display: flex; }

  .hero { padding-top: 150px; }
}

@media (max-width: 640px) {
  .container { width: calc(100% - 40px); }
  .section { padding: 72px 0; }
  .produtos { grid-template-columns: 1fr; }
  .selos { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 34px; }
  .header__logo { height: 44px; }
  .hero { padding: 130px 0 100px; }
}

/* ---------- Acessibilidade ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .bubbles span { animation: none; opacity: 0; }
  .btn, .produto, .mini-card { transition: none; }
}

:focus-visible { outline: 3px solid var(--aqua-500); outline-offset: 2px; }