/* Nexus Energia — segue o design system da marca (navy + verde, Hanken Grotesk no lugar da Uni Neue).
   Layout: faixas em largura total alternando off-white e navy; conteúdo em coluna de 1200px; foto 50/50 no hero.
   Tema único (claro com faixas navy), cores todas explícitas. */
:root {
  --nx-navy: #0D2143;
  --nx-navy-deep: #091023;
  --nx-navy-700: #16305E;
  --nx-green: #00FFA2;
  --nx-green-600: #00D486;
  --nx-green-700: #00A86B;
  --nx-green-tint: #D6FFF0;
  --nx-blue: #3593B7;
  --nx-blue-tint: #E4F2F7;
  --nx-gray-100: #F6F6F6;
  --nx-gray-200: #EDEDED;
  --nx-gray-300: #DADADA;
  --nx-gray-500: #9AA1AC;
  --nx-gray-700: #4A5464;
  --nx-white: #FFFFFF;
  --warn: #E8A33D;

  --hairline: rgba(13, 33, 67, .12);
  --hairline-dark: rgba(255, 255, 255, .18);
  --shadow-sm: 0 2px 8px rgba(13, 33, 68, .08);
  --overlay-left: linear-gradient(90deg, rgba(13, 33, 68, .92) 0%, rgba(13, 33, 68, 0) 68%);
  --overlay-up: linear-gradient(180deg, rgba(13, 33, 68, 0) 30%, rgba(9, 16, 35, .88) 100%);

  /* Trocar por "Uni Neue" quando chegarem os arquivos licenciados */
  --font: "Hanken Grotesk", "Segoe UI", Roboto, Arial, sans-serif;

  --wrap: 1200px;
  --ease: cubic-bezier(.2, .6, .2, 1);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body {
  margin: 0; background: var(--nx-gray-100); color: var(--nx-gray-700);
  font-family: var(--font); font-size: 17px; line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font); color: var(--nx-navy); line-height: 1.15; margin: 0; letter-spacing: -0.01em; text-wrap: balance; }
h1 { font-size: clamp(2.3rem, 4.6vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 700; }
p { margin: 0; }
.dot { color: var(--nx-green-700); }
.on-dark .dot, .hero .dot { color: var(--nx-green); }
:focus-visible { outline: 3px solid rgba(0, 255, 162, .55); outline-offset: 2px; border-radius: 4px; }

.wrap {
  max-width: var(--wrap); margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
.section { padding-block: clamp(64px, 9vw, 112px); }
.eyebrow { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.42em; text-transform: uppercase; color: var(--nx-green-700); }
.lead { font-size: 1.15rem; max-width: 62ch; }
.head { display: grid; gap: 16px; margin-bottom: 48px; max-width: 780px; }

.bg-white { background: var(--nx-white); }

/* Faixa navy */
.on-dark { background: var(--nx-navy); color: rgba(255, 255, 255, .78); }
.on-dark h1, .on-dark h2, .on-dark h3 { color: var(--nx-white); }
.on-dark .eyebrow { color: var(--nx-green); }

/* Botões: totalmente arredondados; hover escurece, sem elevação */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 700 1rem/1 var(--font); padding: 16px 26px; border-radius: 999px;
  text-decoration: none; border: 2px solid transparent; cursor: pointer;
  transition: background .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}
.btn:active { transform: scale(.98); }
.btn-green { background: var(--nx-green); color: var(--nx-navy); }
.btn-green:hover { background: var(--nx-green-600); }
.btn-outline { border-color: var(--nx-navy); color: var(--nx-navy); background: transparent; }
.btn-outline:hover { background: var(--nx-navy); color: var(--nx-white); }
.on-dark .btn-outline, .hero .btn-outline { border-color: var(--nx-white); color: var(--nx-white); }
.on-dark .btn-outline:hover, .hero .btn-outline:hover { background: var(--nx-white); color: var(--nx-navy); }

/* Cabeçalho */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--nx-white); }
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: var(--nx-white); border-bottom: 1px solid var(--hairline); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 76px; }
.logo img { height: 34px; width: auto; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a:not(.btn) { text-decoration: none; font-size: 0.95rem; font-weight: 500; color: var(--nx-navy); }
.nav a:not(.btn):hover { color: var(--nx-green-700); }
.nav .btn { padding: 12px 20px; font-size: 0.92rem; }
.menu-toggle { display: none; background: none; border: 1.5px solid var(--hairline); border-radius: 999px; padding: 9px 16px; font: 700 0.9rem var(--font); color: var(--nx-navy); cursor: pointer; }
@media (max-width: 940px) {
  .menu-toggle { display: inline-flex; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0;
         background: var(--nx-white); border-bottom: 1px solid var(--hairline);
         padding: 8px max(20px, env(safe-area-inset-right, 0px)) 20px max(20px, env(safe-area-inset-left, 0px)); }
  .nav.open { display: flex; }
  .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--hairline); }
  .nav .btn { margin-top: 16px; }
}

/* Hero: navy com foto à direita sob scrim */
.hero { background: var(--nx-navy); color: rgba(255, 255, 255, .8); display: grid; grid-template-columns: 1fr 1fr; }
.hero h1 { color: var(--nx-white); }
.hero .eyebrow { color: var(--nx-green); }
.hero-copy {
  display: grid; gap: 24px; align-content: center; min-width: 0;
  padding-block: clamp(56px, 8vw, 112px);
  padding-left: max(20px, env(safe-area-inset-left, 0px), calc((100% - var(--wrap)) / 2 + 20px));
  padding-right: clamp(20px, 4vw, 64px);
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.hero-note { font-size: 0.95rem; color: rgba(255, 255, 255, .65); padding-top: 4px; }
.hero-note strong { color: var(--nx-white); }
.hero-photo { position: relative; min-height: 440px; background: var(--nx-navy-700) url("img/photo-engineer-solar.webp") center 30% / cover no-repeat; }
.hero-photo::after { content: ""; position: absolute; inset: 0; background: var(--overlay-left); }
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy { padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
  .hero-photo { min-height: 300px; order: -1; }
  .hero-photo::after { background: var(--overlay-up); }
}

/* Faixa de compromissos sob o hero */
.proofbar { background: var(--nx-white); border-bottom: 1px solid var(--hairline); }
.proofbar .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 24px; }
.proofbar div { padding-block: 26px; display: grid; gap: 4px; align-content: start; }
.proofbar strong { color: var(--nx-navy); font-size: 1.05rem; }
.proofbar span { font-size: 0.92rem; }
@media (max-width: 900px) { .proofbar .wrap { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .proofbar .wrap { grid-template-columns: 1fr; } .proofbar div { padding-block: 16px; border-bottom: 1px solid var(--hairline); } }

/* Cartões: planos, raio 10, régua verde no topo */
.card { background: var(--nx-white); border: 1px solid var(--hairline); border-radius: 10px; box-shadow: var(--shadow-sm); padding: 28px; display: grid; gap: 12px; align-content: start; min-width: 0; }
.card.ruled { border-top: 3px solid var(--nx-green); }
.card img.icon { width: 52px; height: 52px; object-fit: contain; }
.on-dark .card { background: rgba(255, 255, 255, .06); border-color: var(--hairline-dark); box-shadow: none; }
.on-dark .card.ruled { border-top-color: var(--nx-green); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

/* Erros comuns: três listas abertas, sem caixas */
.errors { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px 48px; }
.err-col { min-width: 0; }
.err-col h3 { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--nx-blue); padding-bottom: 14px; border-bottom: 2px solid var(--nx-navy); }
.err-col ul { list-style: none; margin: 0; padding: 0; }
.err-col li { display: grid; grid-template-columns: 18px 1fr; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--hairline); color: var(--nx-navy); font-size: 1.02rem; font-weight: 500; }
.err-col li::before { content: ""; width: 10px; height: 10px; margin-top: 7px; border-radius: 50%; border: 2px solid var(--nx-blue); }
@media (max-width: 900px) { .errors { grid-template-columns: 1fr; } }

/* Para quem */
.fit { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .fit { grid-template-columns: 1fr; } }
.fit .head { margin: 0; }
.fit-list { display: grid; border-top: 1px solid var(--hairline); }
.fit-list div { display: grid; grid-template-columns: 150px 1fr; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--hairline); }
.fit-list .k { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--nx-green-700); padding-top: 4px; }
.fit-list .v strong { display: block; color: var(--nx-navy); font-size: 1.15rem; margin-bottom: 4px; }
@media (max-width: 520px) { .fit-list div { grid-template-columns: 1fr; gap: 6px; } }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 0; padding: 0; list-style: none; }
.chips li { background: var(--nx-blue); color: var(--nx-white); border-radius: 16px; padding: 8px 16px; font-size: 0.9rem; font-weight: 500; }

/* Comparativo */
.table-scroll { overflow-x: auto; }
.compare { margin-top: 48px; }
.compare table { width: 100%; min-width: 600px; border-collapse: collapse; font-size: 0.97rem; }
.compare th, .compare td { text-align: left; padding: 15px 16px; border-bottom: 1px solid var(--hairline-dark); vertical-align: top; }
.compare thead th { font-size: 0.75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: rgba(255, 255, 255, .55); }
.compare thead th.us { color: var(--nx-green); }
.compare td:first-child { width: 28%; }
.compare td.us { color: var(--nx-white); font-weight: 700; }

/* Etapas: linha do tempo horizontal */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 0 28px; }
.steps li { position: relative; padding-top: 28px; display: grid; gap: 8px; align-content: start; min-width: 0; border-top: 2px solid var(--nx-gray-300); }
.steps li::before { content: ""; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; border-radius: 50%; background: var(--nx-green); box-shadow: 0 0 0 4px var(--nx-white); }
.steps .when { display: flex; gap: 10px; align-items: baseline; font-size: 0.78rem; font-weight: 700; color: var(--nx-blue); text-transform: uppercase; letter-spacing: .06em; }
.steps .when b { color: var(--nx-navy); }
.steps p { font-size: 0.95rem; }
@media (max-width: 960px) {
  .steps { grid-template-columns: 1fr; gap: 0; }
  .steps li { border-top: 0; border-left: 2px solid var(--nx-gray-300); padding: 0 0 28px 24px; }
  .steps li::before { top: 2px; left: -7px; }
  .steps li:last-child { padding-bottom: 0; }
}

/* Serviços */
.service ul { margin: 4px 0 0; padding-left: 18px; display: grid; gap: 4px; font-size: 0.95rem; }

/* Simulador */
.sim { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .sim { grid-template-columns: 1fr; } }
.sim .head { margin: 0; }
.sim-card { background: var(--nx-white); color: var(--nx-gray-700); border-radius: 10px; border-top: 3px solid var(--nx-green); padding: 30px; display: grid; gap: 20px; min-width: 0; }
.field { display: grid; gap: 8px; min-width: 0; }
.field label { font-weight: 700; font-size: 0.92rem; color: var(--nx-navy); }
.field .hint { font-size: 0.82rem; color: var(--nx-gray-500); }
input, select, textarea {
  font: 400 1rem var(--font); color: var(--nx-navy); background: var(--nx-white);
  border: 1px solid var(--nx-gray-300); border-radius: 6px; padding: 13px 14px; width: 100%;
  transition: border-color .16s var(--ease), box-shadow .16s var(--ease);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--nx-green-700); box-shadow: 0 0 0 3px rgba(0, 255, 162, .28); }
.money { position: relative; }
.money span { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--nx-gray-500); font-weight: 700; font-size: 0.95rem; }
.money input { padding-left: 46px; font-weight: 700; font-variant-numeric: tabular-nums; }
.sim-out { display: grid; gap: 12px; border-top: 1px solid var(--hairline); }
.sim-label { font-size: 0.78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--nx-gray-500); padding-top: 16px; }
.sim-big { font-weight: 800; font-size: clamp(1.9rem, 4vw, 2.8rem); line-height: 1.05; font-variant-numeric: tabular-nums; color: var(--nx-navy); }
.sim-bars { display: grid; gap: 10px; margin-top: 6px; }
.bar-row { display: grid; grid-template-columns: 110px 1fr auto; gap: 12px; align-items: center; font-size: 0.88rem; font-variant-numeric: tabular-nums; }
.bar { height: 14px; background: var(--nx-gray-200); border-radius: 6px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--nx-gray-500); border-radius: 6px; transition: width .2s var(--ease); }
.bar-row.after .bar i { background: var(--nx-green-700); }
.sim-warn { border-top: 3px solid var(--warn); background: #FDF4E6; color: var(--nx-navy); padding: 12px 14px; border-radius: 6px; font-size: 0.93rem; }
.fine { font-size: 0.82rem; color: var(--nx-gray-500); }
.on-dark .fine { color: rgba(255, 255, 255, .55); }
.on-dark .sim-card .fine { color: var(--nx-gray-500); }

/* FAQ */
.faq { max-width: 880px; border-top: 1px solid var(--hairline); }
.faq details { border-bottom: 1px solid var(--hairline); padding: 20px 0; }
.faq summary { cursor: pointer; color: var(--nx-navy); font-weight: 700; font-size: 1.12rem; list-style: none; display: flex; justify-content: space-between; gap: 20px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--nx-green-700); font-size: 1.4rem; line-height: 1; font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 12px; max-width: 70ch; }

/* Contato: foto com scrim navy + formulário */
.contact-band { position: relative; background: var(--nx-navy) url("img/photo-meeting.webp") center / cover no-repeat; }
.contact-band::before { content: ""; position: absolute; inset: 0; background: rgba(13, 33, 67, .92); }
.contact { position: relative; display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: start; }
@media (max-width: 900px) { .contact { grid-template-columns: 1fr; } }
.contact .head { margin: 0; }
.contact-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 16px; }
.contact-list li { display: grid; gap: 2px; }
.contact-list .k { font-size: 0.72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--nx-green); }
.contact-list .v { color: var(--nx-white); user-select: all; overflow-wrap: anywhere; }
.form { background: var(--nx-white); color: var(--nx-gray-700); border-radius: 10px; border-top: 3px solid var(--nx-green); padding: 30px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; min-width: 0; }
.form .full { grid-column: 1 / -1; }
@media (max-width: 600px) { .form { grid-template-columns: 1fr; padding: 22px; } }
.form .btn { width: 100%; }
.form-status { font-size: 0.95rem; }
.form-status.ok { color: var(--nx-green-700); font-weight: 700; }
.on-dark .form .fine { color: var(--nx-gray-500); }
.hp { position: absolute; left: -9999px; }

/* Rodapé */
.site-footer { background: var(--nx-navy-deep); color: rgba(255, 255, 255, .6); padding-block: 40px; font-size: 0.9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.site-footer img { height: 28px; width: auto; }

/* Páginas de serviço */
.page-hero { padding-block: clamp(56px, 8vw, 104px); }
.page-hero .wrap { display: grid; gap: 22px; max-width: 980px; margin-left: max(0px, calc((100% - var(--wrap)) / 2)); }
.page-hero .hero-note { color: rgba(255, 255, 255, .65); }
.page-hero .hero-note strong { color: var(--nx-white); }
.page-hero .btn-outline { border-color: var(--nx-white); color: var(--nx-white); }
.page-hero .btn-outline:hover { background: var(--nx-white); color: var(--nx-navy); }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 0.88rem; color: rgba(255, 255, 255, .6); }
.crumbs a { color: rgba(255, 255, 255, .85); text-decoration: none; }
.crumbs a:hover { color: var(--nx-green); }
.prose-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 48px; align-items: start; }
.prose-grid .head { margin: 0; }
.prose { display: grid; gap: 18px; max-width: 68ch; font-size: 1.05rem; }
@media (max-width: 900px) { .prose-grid { grid-template-columns: 1fr; gap: 24px; } }
.cta-inner { display: grid; grid-template-columns: 1.3fr auto; gap: 32px; align-items: center; }
.cta-inner .head { margin: 0; }
@media (max-width: 900px) { .cta-inner { grid-template-columns: 1fr; } }
.service-link { text-decoration: none; transition: border-color .16s var(--ease); }
.service-link:hover { border-color: var(--nx-green-700); }
.service-link .more { color: var(--nx-green-700); font-weight: 700; font-size: 0.95rem; }
.service .more { color: var(--nx-green-700); font-weight: 700; font-size: 0.95rem; text-decoration: none; margin-top: 4px; }
.service .more:hover { text-decoration: underline; }
.nav a[aria-current="page"] { color: var(--nx-green-700); }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.footer-links a { color: rgba(255, 255, 255, .8); text-decoration: none; }
.footer-links a:hover { color: var(--nx-green); }

/* Contraste (acessibilidade): tons de texto um pouco mais escuros sobre fundos claros */
:root { --nx-green-text: #007F51; --nx-blue-text: #256F8C; --nx-gray-500: #646B78; }
.eyebrow, .fit-list .k, .service .more, .service-link .more, .nav a:not(.btn):hover, .nav a[aria-current="page"] { color: var(--nx-green-text); }
.on-dark .eyebrow, .hero .eyebrow { color: var(--nx-green); }
.err-col h3, .steps .when { color: var(--nx-blue-text); }
.chips li { background: var(--nx-blue-text); }