/*
Theme Name: Neper Energia
Theme URI: https://www.neperenergia.com.br
Author: Neper Energia
Description: Tema institucional da Neper Energia — soluções em energia para empresas (mercado livre, gestão e geração distribuída).
Version: 4.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: neper-energia
*/

/* ==========================================================================
   Paleta e tokens de design — troque aqui e o site inteiro acompanha
   ========================================================================== */
:root {
  --cor-primaria: #0b2b3c;
  --cor-secundaria: #14425c;
  --cor-destaque: #2fbf71;
  --cor-destaque-2: #27d17f;      /* ponta clara do gradiente verde */
  --cor-destaque-hover: #27a862;
  --cor-fundo: #ffffff;
  --cor-fundo-alt: #f4f8fa;
  --cor-texto: #24333d;
  --cor-texto-suave: #5d6f7a;
  --cor-branco: #ffffff;

  --grad-marca: linear-gradient(135deg, var(--cor-primaria) 0%, var(--cor-secundaria) 100%);
  --grad-verde: linear-gradient(135deg, var(--cor-destaque) 0%, var(--cor-destaque-2) 100%);

  --raio: 20px;
  --raio-g: 28px;
  --sombra-suave: 0 6px 24px rgba(11, 43, 60, 0.07);
  --sombra-media: 0 14px 40px rgba(11, 43, 60, 0.12);
  --sombra-verde: 0 10px 28px rgba(47, 191, 113, 0.35);
  --container: 1160px;

  --fonte-titulo: "Sora", "Inter", "Segoe UI", sans-serif;
  --fonte-texto: "Inter", "Segoe UI", -apple-system, Arial, sans-serif;
}

/* ==========================================================================
   Reset e tipografia fluida
   ========================================================================== */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--fonte-texto);
  font-size: clamp(16px, 1vw + 12px, 17.5px);
  line-height: 1.7;
  color: var(--cor-texto);
  background: var(--cor-fundo);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--cor-destaque); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--cor-destaque-hover); }

h1, h2, h3, h4 {
  font-family: var(--fonte-titulo);
  line-height: 1.15;
  color: var(--cor-primaria);
  font-weight: 700;
  letter-spacing: -0.025em;
}

h1 { font-size: clamp(2.2rem, 4.8vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.22rem; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.secao { padding: clamp(64px, 9vw, 110px) 0; }
.secao--alt { background: var(--cor-fundo-alt); }
.secao__titulo { text-align: center; margin-bottom: 14px; }
.secao__subtitulo {
  text-align: center;
  color: var(--cor-texto-suave);
  font-size: 1.08rem;
  max-width: 620px;
  margin: 0 auto clamp(40px, 6vw, 64px);
}

/* Revelação suave ao rolar (aplicada via main.js) */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s cubic-bezier(.22,.61,.36,1), transform 0.7s cubic-bezier(.22,.61,.36,1); }
.reveal.visivel { opacity: 1; transform: none; }
.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }
.reveal:nth-child(5) { transition-delay: 0.32s; }
.reveal:nth-child(6) { transition-delay: 0.40s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  * { animation: none !important; }
}

/* ==========================================================================
   Botões
   ========================================================================== */
.btn {
  display: inline-block;
  padding: 15px 34px;
  border-radius: 999px;
  font-weight: 700;
  font-family: var(--fonte-titulo);
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  transition: transform 0.25s cubic-bezier(.22,.61,.36,1), box-shadow 0.25s ease, background 0.25s ease, color 0.2s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primario {
  background: var(--grad-verde);
  color: var(--cor-branco);
  box-shadow: var(--sombra-verde);
}
.btn--primario:hover {
  color: var(--cor-branco);
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(47, 191, 113, 0.45);
}

.btn--contorno {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--cor-branco);
  backdrop-filter: blur(4px);
}
.btn--contorno:hover { background: rgba(255, 255, 255, 0.12); border-color: var(--cor-branco); color: var(--cor-branco); transform: translateY(-3px); }

.btn--contorno-escuro { border-color: var(--cor-primaria); color: var(--cor-primaria); }
.btn--contorno-escuro:hover { background: var(--cor-primaria); color: var(--cor-branco); transform: translateY(-3px); box-shadow: var(--sombra-media); }

/* ==========================================================================
   Header — vidro fosco
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 43, 60, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
}

.site-header__logo {
  font-family: var(--fonte-titulo);
  font-size: 1.42rem;
  font-weight: 800;
  color: var(--cor-branco);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.site-header__logo:hover { color: var(--cor-branco); }
.site-header__logo img { max-height: 48px; width: auto; }
.site-header__logo span { color: var(--cor-destaque); }

.menu-principal { display: flex; align-items: center; gap: 4px; list-style: none; }

.menu-principal a {
  display: block;
  padding: 10px 16px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 600;
  font-size: 0.96rem;
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
}
.menu-principal a:hover { color: var(--cor-branco); background: rgba(255, 255, 255, 0.10); }

/* Submenu */
.menu-principal .menu-item-has-children { position: relative; }
.menu-principal .sub-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 270px;
  background: var(--cor-branco);
  border-radius: var(--raio);
  box-shadow: var(--sombra-media);
  list-style: none;
  padding: 10px;
}
.menu-principal .menu-item-has-children:hover > .sub-menu,
.menu-principal .menu-item-has-children:focus-within > .sub-menu { display: block; }
.menu-principal .sub-menu a { color: var(--cor-texto); border-radius: 12px; }
.menu-principal .sub-menu a:hover { background: var(--cor-fundo-alt); color: var(--cor-primaria); }

.site-header__cta { flex-shrink: 0; }
.site-header__cta .btn { padding: 12px 26px; font-size: 0.92rem; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--cor-branco);
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
}

@media (max-width: 920px) {
  .menu-toggle { display: block; }
  .site-header__nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(11, 43, 60, 0.97);
    backdrop-filter: blur(14px);
    padding: 12px 24px 24px;
    border-radius: 0 0 var(--raio-g) var(--raio-g);
  }
  .site-header__nav.aberto { display: block; }
  .menu-principal { flex-direction: column; align-items: stretch; gap: 0; }
  .menu-principal a { border-radius: 12px; }
  .menu-principal .sub-menu { display: block; position: static; background: transparent; box-shadow: none; padding-left: 16px; }
  .menu-principal .sub-menu a { color: rgba(255, 255, 255, 0.72); }
  .site-header__cta { display: none; }
}

/* ==========================================================================
   Hero — gradiente profundo, brilhos e onda fluida
   ========================================================================== */
.hero {
  background: var(--grad-marca);
  color: var(--cor-branco);
  padding: clamp(90px, 12vw, 150px) 0 clamp(140px, 16vw, 190px);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(620px 620px at 88% 8%, rgba(47, 191, 113, 0.22) 0%, transparent 65%),
    radial-gradient(520px 520px at 4% 96%, rgba(39, 209, 127, 0.10) 0%, transparent 60%);
}

/* onda fluida na base */
.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 90px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 90' preserveAspectRatio='none'%3E%3Cpath d='M0,52 C320,108 1120,-14 1440,52 L1440,90 L0,90 Z' fill='%23ffffff'/%3E%3C/svg%3E") center / 100% 100% no-repeat;
}

.hero__conteudo { max-width: 700px; position: relative; z-index: 1; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(47, 191, 113, 0.16);
  border: 1px solid rgba(47, 191, 113, 0.45);
  color: #7fe3ae;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 26px;
}

.hero h1 { color: var(--cor-branco); margin-bottom: 22px; }

.hero__subtitulo {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 40px;
  max-width: 560px;
}

.hero__acoes { display: flex; gap: 16px; flex-wrap: wrap; }

/* ==========================================================================
   Cards
   ========================================================================== */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px; }

.card {
  background: var(--cor-branco);
  border: 1px solid rgba(11, 43, 60, 0.06);
  border-radius: var(--raio-g);
  padding: 38px 32px;
  box-shadow: var(--sombra-suave);
  transition: transform 0.3s cubic-bezier(.22,.61,.36,1), box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad-verde);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(.22,.61,.36,1);
}

.card:hover { transform: translateY(-8px); box-shadow: var(--sombra-media); }
.card:hover::before { transform: scaleX(1); }

.card__icone {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(47, 191, 113, 0.16), rgba(39, 209, 127, 0.08));
  color: var(--cor-destaque);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
}

.card h3 { margin-bottom: 12px; }
.card p { color: var(--cor-texto-suave); flex-grow: 1; }
.card__link { margin-top: 20px; font-weight: 700; font-family: var(--fonte-titulo); font-size: 0.95rem; }

/* Grade compacta (6 soluções na home) */
.cards--compacto { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); margin-top: clamp(40px, 6vw, 64px); }
.cards--compacto .card { padding: 30px 26px; }
.cards--compacto .card__icone { width: 48px; height: 48px; font-size: 1.3rem; margin-bottom: 18px; border-radius: 15px; }
.cards--compacto h3 { font-size: 1.06rem; }
.cards--compacto p { font-size: 0.93rem; }
.cards--compacto .card__link { font-size: 0.9rem; margin-top: 14px; }

/* ==========================================================================
   Mandala de soluções
   ========================================================================== */
.mandala { max-width: 640px; margin: 0 auto; }
.mandala svg { width: 100%; height: auto; display: block; }

.mandala__anel {
  fill: none;
  stroke: var(--cor-secundaria);
  stroke-opacity: 0.16;
  stroke-width: 1.5;
  stroke-dasharray: 4 8;
  transform-origin: 300px 300px;
  animation: mandala-gira 90s linear infinite;
}
.mandala__anel--interno { stroke-opacity: 0.09; animation-direction: reverse; animation-duration: 70s; }

@keyframes mandala-gira { to { transform: rotate(360deg); } }

.mandala__linha { stroke: var(--cor-destaque); stroke-opacity: 0.32; stroke-width: 2; }

.mandala__no circle {
  fill: var(--cor-branco);
  stroke: var(--cor-destaque);
  stroke-width: 2.5;
  filter: drop-shadow(0 6px 14px rgba(11, 43, 60, 0.16));
  transition: fill 0.25s ease, stroke-width 0.25s ease, filter 0.25s ease;
}
.mandala__no text {
  fill: var(--cor-primaria);
  font-family: var(--fonte-texto);
  font-size: 14px;
  font-weight: 700;
  transition: fill 0.25s ease;
}
.mandala__no:hover circle { fill: var(--cor-destaque); stroke-width: 0; filter: drop-shadow(0 10px 20px rgba(47, 191, 113, 0.45)); }
.mandala__no:hover text { fill: var(--cor-branco); }

.mandala__centro { fill: var(--cor-primaria); animation: centro-pulsa 3.5s ease-in-out infinite; transform-origin: 300px 300px; }
@keyframes centro-pulsa { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.045); } }

.mandala__centro-texto {
  fill: var(--cor-branco);
  font-family: var(--fonte-titulo);
  font-size: 18px;
  font-weight: 800;
}

/* ==========================================================================
   Como funciona (4 passos)
   ========================================================================== */
.passos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
  counter-reset: passo;
}
.passo {
  text-align: center;
  padding: 34px 22px;
  border-radius: var(--raio-g);
  background: var(--cor-branco);
  border: 1px solid rgba(11, 43, 60, 0.06);
  box-shadow: var(--sombra-suave);
  transition: transform 0.3s cubic-bezier(.22,.61,.36,1), box-shadow 0.3s ease;
}
.passo:hover { transform: translateY(-6px); box-shadow: var(--sombra-media); }

.passo__numero {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--grad-verde);
  color: var(--cor-branco);
  font-family: var(--fonte-titulo);
  font-size: 1.45rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 8px 20px rgba(47, 191, 113, 0.3);
}
.passo h3 { margin-bottom: 8px; font-size: 1.08rem; }
.passo p { color: var(--cor-texto-suave); font-size: 0.94rem; }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq { max-width: 760px; margin: 0 auto; }
.faq__item {
  background: var(--cor-branco);
  border: 1px solid rgba(11, 43, 60, 0.06);
  border-radius: var(--raio);
  box-shadow: var(--sombra-suave);
  margin-bottom: 14px;
  padding: 4px 26px;
  transition: box-shadow 0.25s ease;
}
.faq__item[open] { box-shadow: var(--sombra-media); }
.faq__item summary {
  cursor: pointer;
  font-weight: 700;
  font-family: var(--fonte-titulo);
  font-size: 1.02rem;
  color: var(--cor-primaria);
  padding: 18px 36px 18px 0;
  list-style: none;
  position: relative;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(47, 191, 113, 0.12);
  color: var(--cor-destaque);
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, background 0.25s ease;
}
.faq__item[open] summary::after { content: "−"; background: var(--cor-destaque); color: var(--cor-branco); }
.faq__item p { color: var(--cor-texto-suave); padding-bottom: 20px; }

/* ==========================================================================
   Números
   ========================================================================== */
.numeros {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  text-align: center;
  margin-top: clamp(36px, 5vw, 56px);
}

.numeros__valor {
  font-family: var(--fonte-titulo);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  background: var(--grad-verde);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
}

.numeros__rotulo { color: var(--cor-texto-suave); margin-top: 8px; font-weight: 500; }

/* ==========================================================================
   Sobre / especialistas
   ========================================================================== */
.sobre { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 72px); align-items: center; }
.sobre__media {
  border-radius: var(--raio-g);
  min-height: 380px;
  box-shadow: var(--sombra-media);
  overflow: hidden;
}
.sobre__media img { border-radius: var(--raio-g); object-fit: cover; width: 100%; height: 100%; min-height: 380px; }
.sobre__ilustracao { width: 100%; height: 100%; min-height: 380px; display: block; border-radius: var(--raio-g); }
.sobre h2 { margin-bottom: 18px; }
.sobre p { color: var(--cor-texto-suave); margin-bottom: 16px; }
.sobre .btn { margin-top: 12px; }

@media (max-width: 820px) {
  .sobre { grid-template-columns: 1fr; }
  .sobre__media { min-height: 260px; }
}

/* ==========================================================================
   CTA final
   ========================================================================== */
.cta-final {
  background: var(--grad-marca);
  color: var(--cor-branco);
  text-align: center;
  border-radius: calc(var(--raio-g) + 8px);
  padding: clamp(56px, 8vw, 88px) 40px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  box-shadow: var(--sombra-media);
}
.cta-final::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(420px 420px at 90% 0%, rgba(47, 191, 113, 0.25) 0%, transparent 65%),
    radial-gradient(360px 360px at 6% 100%, rgba(39, 209, 127, 0.12) 0%, transparent 60%);
}
.cta-final h2 { color: var(--cor-branco); margin-bottom: 14px; }
.cta-final p { color: rgba(255, 255, 255, 0.82); max-width: 560px; margin: 0 auto 34px; }
.cta-final__acoes { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ==========================================================================
   Páginas internas
   ========================================================================== */
.pagina-hero {
  background: var(--grad-marca);
  padding: clamp(56px, 8vw, 88px) 0 clamp(96px, 11vw, 130px);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.pagina-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(460px 460px at 88% 10%, rgba(47, 191, 113, 0.20) 0%, transparent 65%);
}
.pagina-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 70px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 90' preserveAspectRatio='none'%3E%3Cpath d='M0,52 C320,108 1120,-14 1440,52 L1440,90 L0,90 Z' fill='%23ffffff'/%3E%3C/svg%3E") center / 100% 100% no-repeat;
}
.pagina-hero h1 { color: var(--cor-branco); position: relative; z-index: 1; }

.destaque {
  background: linear-gradient(135deg, rgba(47, 191, 113, 0.08), rgba(39, 209, 127, 0.04));
  border: 1px solid rgba(47, 191, 113, 0.25);
  border-left: 4px solid var(--cor-destaque);
  border-radius: var(--raio);
  padding: 26px 30px;
  margin: 30px 0;
}
.destaque p:last-child { margin-bottom: 0; }

.conteudo-pagina .cards { margin: 34px 0; }
.conteudo-pagina .card { box-shadow: var(--sombra-suave); }

/* ==========================================================================
   Linha do tempo (Quem Somos)
   ========================================================================== */
.timeline { position: relative; margin: 44px 0; padding-left: 38px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: linear-gradient(180deg, var(--cor-destaque), var(--cor-secundaria));
  border-radius: 3px;
}
.timeline__item { position: relative; padding-bottom: 40px; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 6px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--grad-verde);
  border: 3px solid var(--cor-branco);
  box-shadow: 0 0 0 2px var(--cor-destaque), 0 4px 10px rgba(47, 191, 113, 0.3);
}
.timeline__ano { font-family: var(--fonte-titulo); font-weight: 800; color: var(--cor-destaque); font-size: 1.15rem; margin-bottom: 4px; }
.timeline__item h3 { margin-bottom: 6px; }
.timeline__item p { color: var(--cor-texto-suave); margin-bottom: 0; }

/* ==========================================================================
   Blog
   ========================================================================== */
.lista-posts { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 28px; }

.post-card {
  background: var(--cor-branco);
  border: 1px solid rgba(11, 43, 60, 0.06);
  border-radius: var(--raio-g);
  box-shadow: var(--sombra-suave);
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(.22,.61,.36,1), box-shadow 0.3s ease;
}
.post-card:hover { transform: translateY(-6px); box-shadow: var(--sombra-media); }
.post-card__thumb { aspect-ratio: 16 / 9; background: var(--cor-fundo-alt); }
.post-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-card__corpo { padding: 26px; }
.post-card__data { font-size: 0.85rem; color: var(--cor-texto-suave); }
.post-card h3 { margin: 8px 0 10px; }
.post-card h3 a { color: var(--cor-primaria); }
.post-card h3 a:hover { color: var(--cor-destaque); }
.post-card p { color: var(--cor-texto-suave); font-size: 0.95rem; }

.conteudo-pagina { max-width: 780px; margin: 0 auto; }
.conteudo-pagina h1 { margin-bottom: 24px; }
.conteudo-pagina h2 { margin-top: 40px; margin-bottom: 16px; }
.conteudo-pagina p, .conteudo-pagina ul, .conteudo-pagina ol { margin-bottom: 18px; }
.conteudo-pagina ul, .conteudo-pagina ol { padding-left: 24px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--cor-primaria);
  color: rgba(255, 255, 255, 0.75);
  padding: clamp(56px, 7vw, 80px) 0 0;
  margin-top: clamp(64px, 8vw, 96px);
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(520px 520px at 92% 100%, rgba(47, 191, 113, 0.10) 0%, transparent 65%);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 48px;
}

.site-footer h4 {
  color: var(--cor-branco);
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}

.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: rgba(255, 255, 255, 0.75); }
.site-footer a:hover { color: var(--cor-destaque); }

.site-footer__marca {
  font-family: var(--fonte-titulo);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--cor-branco);
  margin-bottom: 14px;
}
.site-footer__marca span { color: var(--cor-destaque); }

.site-footer__legal {
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  padding: 22px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

@media (max-width: 820px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .site-footer__grid { grid-template-columns: 1fr; }
  .hero__acoes .btn { width: 100%; text-align: center; }
}

/* Botão flutuante WhatsApp */
.whatsapp-flutuante {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  transition: transform 0.25s cubic-bezier(.22,.61,.36,1), box-shadow 0.25s ease;
}
.whatsapp-flutuante:hover { transform: scale(1.1); color: #fff; box-shadow: 0 12px 32px rgba(37, 211, 102, 0.55); }