/* ==========================================================================
   Fontes (self-hosted, subset latin, variáveis)
   ========================================================================== */
@font-face {
  font-family: 'Baloo 2';
  font-style: normal;
  font-weight: 700 800;
  font-display: swap;
  src: url('../fonts/baloo2-latin.woff2') format('woff2');
}

@font-face {
  font-family: 'Quicksand';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url('../fonts/quicksand-latin.woff2') format('woff2');
}

/* ==========================================================================
   Tokens
   ========================================================================== */
:root {
  --petroleo: #0B5A83;
  --turquesa: #13A3BD;
  --turquesa-escuro: #0B6E80;
  --agua: #DDF1F6;
  --base: #FBFAF7;
  --branco: #FFFFFF;
  --texto: #0E3B50;
  --whatsapp: #157F4F;
  --whatsapp-hover: #116A42;
  --destaque: #FFC857;

  --fonte-titulo: 'Baloo 2', system-ui, sans-serif;
  --fonte-corpo: 'Quicksand', system-ui, sans-serif;

  --raio: 16px;
  --sombra: 0 8px 24px rgba(11, 90, 131, 0.10);
  --container: 1120px;
  --header-altura: 64px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-altura);
}

body {
  margin: 0;
  background: var(--base);
  color: var(--texto);
  font-family: var(--fonte-corpo);
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1,
h2,
h3 {
  margin: 0 0 0.5em;
  color: var(--petroleo);
  font-family: var(--fonte-titulo);
  font-weight: 800;
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.9rem, 4.5vw, 2.75rem);
}

h3 {
  font-size: 1.3rem;
  font-weight: 700;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--petroleo);
}

:focus-visible {
  outline: 3px solid var(--petroleo);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}

.section {
  padding-block: 64px;
}

.section--agua {
  background: var(--agua);
}

.section-head {
  max-width: 640px;
  margin-bottom: 40px;
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--turquesa-escuro);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 100;
  padding: 12px 16px;
  border-radius: 8px;
  background: var(--petroleo);
  color: var(--branco);
  font-weight: 700;
}

.skip-link:focus {
  top: 16px;
}

.sprite {
  display: none;
}

.icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon--fill {
  fill: currentColor;
  stroke: none;
}

@media (min-width: 960px) {
  .section {
    padding-block: 96px;
  }
}

/* ==========================================================================
   Movimento reduzido
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}

/* ==========================================================================
   Botões
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: 999px;
  font-family: var(--fonte-corpo);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 0.2s, transform 0.2s;
}

.btn--whatsapp {
  background: var(--whatsapp);
  color: var(--branco);
}

.btn--whatsapp:hover {
  background: var(--whatsapp-hover);
  transform: translateY(-1px);
}

.btn--lg {
  min-height: 56px;
  padding: 14px 28px;
  font-size: 1.1rem;
}

.btn--sm {
  min-height: 44px;
  padding: 10px 18px;
  font-size: 0.95rem;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 250, 247, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 rgba(11, 90, 131, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: var(--header-altura);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  color: var(--petroleo);
  font-family: var(--fonte-titulo);
  font-size: clamp(1rem, 4.6vw, 1.25rem);
  font-weight: 800;
  line-height: 1.1;
  text-decoration: none;
}

.logo .icon {
  color: var(--turquesa);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: 32px 64px;
}

.hero-inner {
  display: grid;
  gap: 32px;
  align-items: center;
}

.hero-text {
  order: 2;
}

.hero-photo {
  position: relative;
  order: 1;
  width: min(50%, 190px);
  margin: 16px auto 0;
}

.hero-photo img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 0 0 10px var(--turquesa), 0 0 0 20px var(--agua);
}

.hero h1 {
  font-size: clamp(2.3rem, 7vw, 3.75rem);
}

.grifo {
  background: linear-gradient(transparent 62%, var(--destaque) 62%, var(--destaque) 88%, transparent 88%);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.hero-sub {
  max-width: 34ch;
  font-size: 1.1rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.chips li {
  padding: 4px 14px;
  border-radius: 999px;
  background: var(--agua);
  color: var(--petroleo);
  font-size: 0.9rem;
  font-weight: 700;
}

/* Confete geométrico (decorativo) */
.deco {
  position: absolute;
  pointer-events: none;
}

.deco--plus {
  top: -8px;
  left: -28px;
  width: 28px;
  color: var(--turquesa);
}

.deco--zigzag {
  right: -36px;
  bottom: 12px;
  width: 64px;
  color: var(--destaque);
}

.deco--ring {
  top: 6px;
  right: -24px;
  width: 20px;
  color: var(--petroleo);
}

@media (min-width: 960px) {
  .hero {
    padding-block: 64px 96px;
  }

  .hero-inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
  }

  .hero-text {
    order: 1;
  }

  .hero-photo {
    order: 2;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
  }

  .deco--plus {
    left: -48px;
    width: 36px;
  }

  .deco--zigzag {
    right: -40px;
    width: 80px;
  }

  .deco--ring {
    right: -8px;
    width: 26px;
  }
}

/* ==========================================================================
   Botão flutuante
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: var(--branco);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  transition: background-color 0.2s, transform 0.2s;
}

.whatsapp-float:hover {
  background: var(--whatsapp-hover);
  transform: scale(1.05);
}

.whatsapp-float .icon {
  width: 30px;
  height: 30px;
}

/* ==========================================================================
   Grades de cards
   ========================================================================== */
.grid {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.card {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 16px;
  align-items: start;
  padding: 20px;
  border-radius: var(--raio);
  background: var(--branco);
  box-shadow: var(--sombra);
}

.card .icon-badge {
  grid-row: span 2;
  margin-bottom: 0;
}

.card h3 {
  margin-bottom: 4px;
}

.card p {
  margin: 0;
}

.icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--agua);
  color: var(--petroleo);
}

.section--agua .icon-badge {
  background: var(--base);
}

/* Espécies */
.especies {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.especie {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px 12px;
  border-radius: var(--raio);
  background: var(--agua);
  text-align: center;
}

.especie .icon {
  width: 40px;
  height: 40px;
  color: var(--petroleo);
}

.especie strong {
  color: var(--petroleo);
  font-family: var(--fonte-titulo);
  font-size: 1.2rem;
}

.especie span {
  font-size: 0.9rem;
}

/* Como funciona */
.passos {
  counter-reset: passo;
}

.passo {
  position: relative;
  counter-increment: passo;
}

.passo::before {
  content: counter(passo);
  position: absolute;
  top: 20px;
  right: 24px;
  color: var(--agua);
  font-family: var(--fonte-titulo);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
}

.centro {
  margin-top: 40px;
  text-align: center;
}

@media (max-width: 639px) {
  .passo {
    padding-right: 64px;
  }
}

@media (min-width: 640px) {
  .card {
    display: block;
    padding: 28px 24px;
  }

  .card .icon-badge {
    margin-bottom: 16px;
  }

  .grid--2,
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .especies {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 960px) {
  .grid--2 {
    grid-template-columns: repeat(4, 1fr);
  }

  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .especies {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* ==========================================================================
   Sobre
   ========================================================================== */
.sobre-inner {
  display: grid;
  gap: 40px;
  align-items: center;
}

.sobre-photo img {
  width: 100%;
  max-width: 420px;
  margin-inline: auto;
  border-radius: var(--raio);
  box-shadow: 16px 16px 0 var(--agua);
}

.crmv {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--agua);
  color: var(--petroleo);
  font-weight: 700;
}

/* ==========================================================================
   Área
   ========================================================================== */
.area-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
}

.area-inner .icon-badge {
  width: 64px;
  height: 64px;
}

.area-inner .icon {
  width: 32px;
  height: 32px;
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq {
  max-width: 760px;
  margin-inline: auto;
}

.faq details {
  margin-bottom: 12px;
  border-radius: var(--raio);
  background: var(--branco);
  box-shadow: var(--sombra);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  padding: 16px 24px;
  color: var(--petroleo);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

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

.faq summary::after {
  content: '+';
  flex-shrink: 0;
  color: var(--turquesa-escuro);
  font-family: var(--fonte-titulo);
  font-size: 1.75rem;
  line-height: 1;
  transition: transform 0.2s;
}

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

.faq details p {
  margin: 0;
  padding: 0 24px 20px;
}

/* ==========================================================================
   CTA final + rodapé
   ========================================================================== */
.cta-final {
  background: var(--petroleo);
  color: var(--branco);
  text-align: center;
}

.cta-final h2 {
  color: var(--branco);
}

.cta-final :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--destaque);
}

.site-footer {
  padding-block: 40px 96px;
  background: var(--texto);
  color: var(--branco);
  font-size: 0.95rem;
}

.site-footer a {
  color: var(--branco);
}

.footer-inner {
  display: grid;
  gap: 24px;
}

.footer-brand {
  margin: 0 0 4px;
  font-family: var(--fonte-titulo);
  font-size: 1.3rem;
  font-weight: 800;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.footer-copy {
  margin: 0;
  opacity: 0.8;
}

@media (min-width: 960px) {
  .sobre-inner {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 64px;
  }

  .footer-inner {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

/* ==========================================================================
   Página 404
   ========================================================================== */
.pagina-erro {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.erro {
  flex: 1;
  display: grid;
  align-items: center;
}

.erro .section-head {
  margin-bottom: 0;
}

.erro-acoes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}

.btn--contorno {
  border: 2px solid var(--petroleo);
  color: var(--petroleo);
}

.btn--contorno:hover {
  background: var(--agua);
}