/* ===== ELKS home.css — design system verde-técnico (fase 1: só a home) ===== */
:root{
  --bg:#F4F6F5;
  --forest:#1B2E26;
  --forest-soft:#22322A;
  --accent:#445C4D;
  --accent-hover:#1B2E26;
  --accent-vivid:#BECBCC;
  --text:#2A3530;
  --text-muted:#35474F;
  --white:#FFFFFF;
  --radius:0;
  --shadow:0 8px 30px rgba(26,46,34,.10);
  --font-display:'Montserrat',Arial,sans-serif;
  --font-body:'Montserrat',Helvetica,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.65;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hover)}
.container{max-width:1180px;margin:0 auto;padding:0 24px}

h1,h2,h3,h4{font-family:var(--font-display);color:var(--forest);line-height:1.2}
.section{padding:88px 0}
.section-label{display:inline-block;font-family:var(--font-body);font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-hover);margin-bottom:12px}
.section-title{font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:800;margin-bottom:14px}
.section-sub{color:var(--text-muted);max-width:640px;margin-bottom:44px}

/* ---- Botões ---- */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-body);font-weight:600;font-size:1rem;padding:15px 28px;border-radius:var(--radius);transition:background .2s,color .2s,transform .15s;cursor:pointer}
.btn:active{transform:scale(.98)}
.btn-whatsapp{background:var(--accent);color:var(--white)}
.btn-whatsapp:hover{background:var(--accent-hover);color:var(--white)}
.btn-whatsapp svg{flex:none}
.btn-outline{border:2px solid rgba(255,255,255,.75);color:var(--white)}
.btn-outline:hover{background:rgba(255,255,255,.12);color:var(--white)}
.btn-outline-dark{border:2px solid var(--forest);color:var(--forest)}
.btn-outline-dark:hover{background:var(--forest);color:var(--white)}

/* ---- Header ---- */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid rgba(26,46,34,.10)}
.header-inner{display:flex;align-items:center;gap:28px;height:76px}
.logo{display:flex;align-items:center;gap:10px}
.logo img{width:40px;height:40px}
.logo-text{display:flex;flex-direction:column;line-height:1.05}
.logo-name{font-family:var(--font-display);font-weight:700;font-size:1.15rem;color:var(--forest);letter-spacing:.06em}
.logo-sub{font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--text-muted)}
.site-nav{display:flex;gap:22px;margin-left:auto}
.site-nav a{color:var(--text);font-weight:400;font-size:.95rem;white-space:nowrap}
.site-nav a:hover{color:var(--accent)}
.link-sistema{font-size:.85rem;color:var(--text-muted);white-space:nowrap}
.btn-header{background:var(--accent);color:var(--white);font-weight:600;font-size:.92rem;padding:11px 20px;border-radius:var(--radius);white-space:nowrap}
.btn-header:hover{background:var(--accent-hover);color:var(--white)}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.menu-toggle span{width:24px;height:2px;background:var(--forest);transition:transform .2s,opacity .2s}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{display:none;position:fixed;inset:76px 0 auto 0;background:var(--bg);border-bottom:1px solid rgba(26,46,34,.12);flex-direction:column;padding:12px 24px 20px;z-index:55}
.mobile-nav a{padding:12px 0;color:var(--text);font-weight:600;border-bottom:1px solid rgba(26,46,34,.07)}
.mobile-nav.open{display:flex}

/* ---- Hero ---- */
.hero-conv{position:relative;min-height:82vh;display:flex;align-items:center;background:var(--forest)}
.hero-conv::before{content:"";position:absolute;inset:0;background:url('../img/campo-florestal.webp') center/cover no-repeat}
.hero-conv::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(26,46,34,.92) 0%,rgba(26,46,34,.72) 55%,rgba(26,46,34,.45) 100%)}
.hero-conv-content{position:relative;z-index:2;padding:120px 0 100px;max-width:680px}
.hero-eyebrow{font-weight:600;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-vivid);margin-bottom:18px}
.hero-conv h1{color:var(--white);font-size:clamp(2rem,4.6vw,3.3rem);font-weight:700;margin-bottom:18px}
.hero-conv h1 em{font-style:normal;color:var(--accent-vivid)}
.hero-conv .hero-sub{color:rgba(255,255,255,.88);font-size:1.1rem;max-width:560px;margin-bottom:34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---- Barra de confiança ---- */
.trust-bar{background:var(--forest);border-top:1px solid rgba(255,255,255,.12)}
.trust-bar .container{display:flex;flex-wrap:wrap;gap:8px 40px;justify-content:center;padding-top:18px;padding-bottom:18px}
.trust-bar span{color:rgba(255,255,255,.85);font-size:.9rem;display:inline-flex;align-items:center;gap:8px}
.trust-bar strong{color:var(--accent-vivid);font-weight:600}

/* ---- Segmentação ---- */
.segment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.segment-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.segment-card img{height:180px;width:100%;object-fit:cover}
.segment-body{padding:26px;display:flex;flex-direction:column;flex:1}
.segment-body h3{font-size:1.2rem;margin-bottom:12px}
.segment-body ul{list-style:none;margin-bottom:20px;flex:1}
.segment-body li{padding-left:22px;position:relative;color:var(--text-muted);font-size:.93rem;margin-bottom:8px}
.segment-body li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}
.segment-body .btn{justify-content:center;font-size:.92rem;padding:12px 18px}
.segment-body .lp-link{margin-top:12px;text-align:center;font-size:.88rem}

/* ---- Serviços ---- */
.services-grid8{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.service-item{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s}
.service-item:hover{transform:translateY(-4px)}
.service-item img{height:120px;width:100%;object-fit:cover}
.service-item div{padding:18px}
.service-item h3{font-size:1rem;margin-bottom:6px}
.service-item p{font-size:.86rem;color:var(--text-muted);margin-bottom:10px}
.service-item a{font-size:.86rem;font-weight:600}

/* ---- Como funciona ---- */
.steps-section{background:var(--white)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-bottom:44px}
.step-item .step-num{font-family:var(--font-display);font-weight:700;font-size:2.2rem;color:var(--accent);opacity:.9}
.step-item h3{font-size:1.05rem;margin:10px 0 8px}
.step-item p{font-size:.9rem;color:var(--text-muted)}

/* ---- Prova social ---- */
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-bottom:48px}
.proof-card{background:var(--white);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.proof-card blockquote{font-size:.95rem;color:var(--text);margin-bottom:18px}
.proof-card cite{font-style:normal;font-size:.85rem;color:var(--text-muted)}
.proof-card cite strong{display:block;color:var(--forest);font-size:.92rem}
.proof-stars{color:#445C4D;letter-spacing:2px;margin-bottom:12px}
.proof-logos{display:flex;flex-wrap:wrap;gap:18px;justify-content:center}
.proof-logos span{border:1px dashed rgba(26,46,34,.25);border-radius:8px;padding:16px 30px;color:var(--text-muted);font-size:.85rem}
.google-badge{text-align:center;margin-top:28px;color:var(--text-muted);font-size:.95rem}
.google-badge a{color:var(--accent-hover)}
.google-badge .proof-stars{display:inline;margin:0}

/* ---- FAQ ---- */
.faq-list{max-width:820px;margin:0 auto}
.faq-list details{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:14px;padding:0 24px}
.faq-list summary{cursor:pointer;font-family:var(--font-display);font-weight:700;color:var(--forest);padding:20px 0;list-style:none;position:relative;padding-right:34px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--accent);font-weight:400}
.faq-list details[open] summary::after{content:"–"}
.faq-list details p{padding:0 0 20px;color:var(--text-muted);font-size:.95rem}

/* ---- CTA final ---- */
.cta-final{background:var(--forest);text-align:center}
.cta-final h2{color:var(--white);font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:14px}
.cta-final p{color:rgba(255,255,255,.85);max-width:560px;margin:0 auto 30px}

/* ---- Footer ---- */
.site-footer{background:var(--forest);color:rgba(255,255,255,.8);padding:64px 0 0;border-top:4px solid var(--accent)}
.footer-top{display:grid;grid-template-columns:1.2fr 2fr;gap:48px;padding-bottom:48px}
.footer-brand .logo-name{color:var(--white)}
.footer-brand .logo-sub{color:rgba(255,255,255,.6)}
.footer-brand p{margin-top:14px;font-size:.92rem;color:rgba(255,255,255,.7);max-width:320px}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-links h4{color:var(--white);font-size:.95rem;margin-bottom:14px}
.footer-links ul{list-style:none}
.footer-links li{margin-bottom:9px;font-size:.9rem}
.footer-links a{color:rgba(255,255,255,.75)}
.footer-links a:hover{color:var(--accent-vivid)}
.footer-links .muted,.footer-links .muted a{color:rgba(255,255,255,.6)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:.82rem;color:rgba(255,255,255,.55)}

/* ---- WhatsApp flutuante ---- */
.whatsapp-float{position:fixed;right:22px;bottom:22px;z-index:70;display:flex;align-items:center;gap:10px;background:#445C4D;color:var(--white);font-weight:600;font-size:.92rem;padding:13px 20px;border-radius:999px;box-shadow:0 6px 24px rgba(0,0,0,.25)}
.whatsapp-float:hover{background:#1B2E26;color:var(--white)}

/* ---- Reveal (ativado por js/script.js) ---- */
.js-enabled .reveal,.js-enabled .reveal-left,.js-enabled .reveal-right{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.js-enabled .reveal-left{transform:translateX(-30px)}
.js-enabled .reveal-right{transform:translateX(30px)}
.js-enabled .reveal.visible,.js-enabled .reveal-left.visible,.js-enabled .reveal-right.visible{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.05s!important}
.reveal-delay-2{transition-delay:.15s!important}
.reveal-delay-3{transition-delay:.25s!important}
.reveal-delay-4{transition-delay:.35s!important}
@media (prefers-reduced-motion:reduce){
  .js-enabled .reveal,.js-enabled .reveal-left,.js-enabled .reveal-right{opacity:1;transform:none;transition:none}
}

/* ---- Responsivo ---- */
@media (max-width:1024px){
  .services-grid8{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .site-nav,.link-sistema{display:none}
  .menu-toggle{display:flex;margin-left:auto}
  .btn-header{margin-left:auto}
  .header-inner{gap:14px}
}
@media (max-width:720px){
  .section{padding:60px 0}
  .segment-grid,.proof-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .footer-links{grid-template-columns:1fr 1fr}
  .hero-conv{min-height:72vh}
  .hero-conv-content{padding:90px 0 70px}
  .whatsapp-float span{display:none}
  .whatsapp-float{padding:14px}
}
@media (max-width:480px){
  .services-grid8,.steps-grid,.footer-links{grid-template-columns:1fr}
  .btn-header{display:none}
}