/* =====================================================================
   Seminário Raízes de Minas — Engenharia Florestal
   Folha de estilo mobile-first. Paleta oficial do evento.
   ===================================================================== */

:root{
  /* Paleta oficial */
  --verde-principal:#6DB20D;
  --verde-escuro:#334A1F;
  --verde-escuro2:#51b10a;
  --verde-profundo:#111B13;
  --marrom-madeira:#4A371A;
  --dourado:#E9D496;
  --dourado-escuro:#D3A871;
  --branco-gelo:#E1F5F9;
  --branco:#FFFFFF;

  /* Derivadas / utilitárias */
  --verde-claro:#8FD124;
  --texto:#1d2a17;
  --texto-suave:#4a5a3c;
  --sombra:0 14px 40px rgba(17,27,19,.16);
  --sombra-suave:0 6px 22px rgba(17,27,19,.10);
  --raio:16px;
  --raio-sm:10px;
  --container:1140px;

  --fonte-display:"Fraunces", Georgia, "Times New Roman", serif;
  --fonte-corpo:"Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--fonte-corpo);
  color:var(--texto);
  background:var(--branco);
  line-height:1.62;
  font-size:16px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--fonte-display);line-height:1.12;margin:0 0 .5em;font-weight:600}
p{margin:0 0 1em}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:62px 0}
.text-center{text-align:center}

/* ---------- Eyebrow / títulos de seção ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--fonte-corpo);font-weight:700;
  font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--verde-principal);margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--dourado-escuro)}
.section-title{font-size:clamp(1.7rem,6vw,2.6rem);color:var(--verde-escuro);margin-bottom:.35em} 
.section-title2{font-size:clamp(1.7rem,6vw,2.6rem);color:var(--verde-escuro2);margin-bottom:.35em} 
.section-lead{max-width:660px;margin:0 auto;color:var(--texto-suave);font-size:1.04rem}
.section-lead2{max-width:660px;margin:0 auto;color:#cdf590;font-size:1.04rem}
.section--dark .section-title{color:var(--branco)}
.section--dark .section-lead{color:rgba(225,245,249,.82)}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--fonte-corpo);font-weight:700;font-size:1rem;
  padding:15px 28px;border-radius:50px;border:0;cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  text-align:center;line-height:1.1;
}
.btn-primary{
  background:var(--verde-principal);color:#0f1a08;
  box-shadow:0 10px 24px rgba(109,178,13,.34);
}
.btn-primary:disabled{
  background:#CCCCCC;color:#444444;
  box-shadow:0 10px 24px rgba(109,109,109,.34);
}
.btn-primary[disabled]:hover{
  background:#CCCCCC;color:#444444;
  box-shadow:0 10px 24px rgba(109,109,109,.34);
  transform:translateY(0px)
}

.btn-primary:hover{background:var(--verde-claro);transform:translateY(-2px)}
.btn-gold{background:var(--dourado);color:#3a2c10}
.btn-gold:hover{background:var(--dourado-escuro);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--branco);border:1.6px solid rgba(233,212,150,.6)}
.btn-ghost:hover{border-color:var(--dourado);background:rgba(233,212,150,.12)}
.btn-block{width:100%}

/* =====================================================================
   HEADER
   ===================================================================== */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  background:linear-gradient(180deg, rgba(17,27,19,.62), rgba(17,27,19,0));
  transition:background .3s ease, box-shadow .3s ease, padding .3s ease;
  padding:14px 0;
}
.site-header.scrolled{
  background:rgba(17,27,19,.96);
  box-shadow:0 6px 24px rgba(0,0,0,.28);
  backdrop-filter:blur(6px);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:10px;color:var(--branco)}
.brand img{height:86px;width:auto;filter:drop-shadow(0 2px 6px rgba(0,0,0,.4))}
.brand-text{display:none;font-family:var(--fonte-display);font-weight:600;font-size:1.05rem;line-height:1.05}
.brand-text small{display:block;font-family:var(--fonte-corpo);font-weight:500;font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--dourado)}

.nav-toggle{
  display:inline-flex;flex-direction:column;gap:5px;
  background:none;border:0;cursor:pointer;padding:8px;z-index:70;
}
.nav-toggle span{width:26px;height:2.5px;background:var(--branco);border-radius:3px;transition:.3s}
.nav-open .nav-toggle span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-open .nav-toggle span:nth-child(2){opacity:0}
.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

.main-nav{
  position:fixed;inset:0 0 0 auto;width:min(82%,330px);
  background:var(--verde-profundo);
  transform:translateX(100%);transition:transform .32s ease;
  display:flex;flex-direction:column;justify-content:center;gap:6px;
  padding:80px 30px 40px;z-index:65;box-shadow:-12px 0 40px rgba(0,0,0,.4);
}
.nav-open .main-nav{transform:translateX(0)}
.main-nav a{
  color:var(--branco-gelo);font-weight:600;font-size:1.12rem;padding:13px 0;
  border-bottom:1px solid rgba(233,212,150,.14);transition:color .2s;
}
.main-nav a:hover{color:var(--verde-principal)}
.main-nav .btn{margin-top:18px;border-bottom:0}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(0,0,0,.5);opacity:0;visibility:hidden;
  transition:.3s;z-index:62;
}
.nav-open .nav-backdrop{opacity:1;visibility:visible}

/* =====================================================================
   HERO
   ===================================================================== */
.hero{
  position:relative;overflow:hidden;
  display:flex;align-items:center;
  padding:104px 0 50px;
  background:linear-gradient(165deg,var(--verde-escuro) 0%, var(--verde-profundo) 70%);
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:url("../images/banner-raizes-de-minas.jpg") center/cover no-repeat;
  filter:blur(26px) brightness(.42) saturate(1.1);
  transform:scale(1.18);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:radial-gradient(120% 80% at 50% 0%, rgba(17,27,19,.1), rgba(17,27,19,.78));
}
.hero-inner{position:relative;z-index:2;color:var(--branco);width:100%;text-align:center}
.hero-art{
  display:block;width:100%;max-width:1260px;margin:6px auto 22px;
  border-radius:18px;box-shadow:0 22px 60px rgba(0,0,0,.5);
  border:1px solid rgba(233,212,150,.28);
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(109,178,13,.92);color:#0f1a08;font-weight:800;
  font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
  padding:8px 16px;border-radius:50px;margin-bottom:18px;
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.hero-sub{
  font-size:clamp(1rem,4.2vw,1.32rem);font-weight:500;
  color:var(--branco-gelo);max-width:620px;margin:0 auto 24px;
}
.hero-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 18px;margin-bottom:26px}
.hero-meta div{display:flex;align-items:center;gap:9px;font-weight:600;font-size:.94rem}
.hero-meta .ico{
  width:36px;height:36px;flex:none;border-radius:11px;display:grid;place-items:center;
  background:rgba(233,212,150,.16);border:1px solid rgba(233,212,150,.4);font-size:1rem;
}
.hero-cta{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}

/* =====================================================================
   CARTÃO DE INSCRIÇÃO RÁPIDA (form 1 — logo abaixo do banner)
   ===================================================================== */
.quickform-wrap{background:var(--verde-profundo);padding:0 0 54px; margin: 50px auto;}
.form-card{
  background:var(--branco);border-radius:22px;box-shadow:var(--sombra);
  margin-top:-46px;position:relative;z-index:5;overflow:hidden;
}
.form-card .form-head{
  background:linear-gradient(135deg,var(--verde-escuro),var(--verde-profundo));
  color:var(--branco);padding:26px 24px 22px;
}
.form-card .form-head h2{color:var(--branco);font-size:1.5rem;margin-bottom:.25em}
.form-card .form-head p{margin:0;color:rgba(225,245,249,.82);font-size:.94rem}
.form-body{padding:24px}

.field{margin-bottom:14px}
.field label{display:block;font-weight:600;font-size:.82rem;color:var(--verde-escuro);margin-bottom:6px}
.field .req{color:#c0392b}
.input,.select,.textarea{
  width:100%;font-family:inherit;font-size:1rem;color:var(--texto);
  padding:13px 15px;border:1.6px solid #d8e0cf;border-radius:var(--raio-sm);
  background:#fbfdf7;transition:border-color .2s, box-shadow .2s;
}
.input:focus,.select:focus,.textarea:focus{
  outline:0;border-color:var(--verde-principal);
  box-shadow:0 0 0 3px rgba(109,178,13,.18);
}
.textarea{resize:vertical;min-height:64px}
.field-grid{display:grid;grid-template-columns:1fr;gap:0}

.protocolo{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  background:linear-gradient(135deg,rgba(233,212,150,.4),rgba(211,168,113,.28));
  border:1px dashed var(--dourado-escuro);border-radius:var(--raio-sm);
  padding:12px 15px;margin-bottom:16px;
}
.protocolo .lbl{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--marrom-madeira)}
.protocolo .cod{font-family:var(--fonte-display);font-weight:700;font-size:1.4rem;letter-spacing:.12em;color:var(--verde-escuro)}

.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 18px;font-size:.86rem;color:var(--texto-suave)}
.check-row input{margin-top:3px;width:18px;height:18px;accent-color:var(--verde-principal);flex:none}

.form-note{font-size:.78rem;color:var(--texto-suave);margin-top:12px;text-align:center}

.form-status{display:none;border-radius:var(--raio-sm);padding:13px 15px;margin-bottom:16px;font-size:.92rem;font-weight:600}
.form-status.ok{display:block;background:#e9f6db;color:#33620a;border:1px solid #a9d36a}
.form-status.err{display:block;background:#fdecea;color:#a5281b;border:1px solid #ec9c93}

/* =====================================================================
   SOBRE / APRESENTAÇÃO
   ===================================================================== */
.section--ice{background:var(--branco-gelo)}
.section--forest{background:linear-gradient(170deg,var(--verde-escuro),var(--verde-profundo));color:var(--branco-gelo)}
.section--dark{background:var(--verde-profundo);color:var(--branco-gelo)}

.prose p{font-size:1.04rem;color:var(--texto-suave);margin-bottom:1.1em}
.prose .lead{font-size:1.18rem;color:var(--verde-escuro);font-weight:500}
.section--forest .prose p,.section--dark .prose p{color:rgba(225,245,249,.86)}
.pull{
  border-left:4px solid var(--verde-principal);padding:6px 0 6px 20px;margin:24px 0;
  font-family:var(--fonte-display);font-size:1.3rem;color:var(--verde-escuro);font-style:italic;line-height:1.4;
}
.section--forest .pull,.section--dark .pull{color:var(--dourado);border-color:var(--dourado-escuro)}

/* números / destaques */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:30px}
.stat{
  background:rgba(255,255,255,.06);border:1px solid rgba(233,212,150,.22);
  border-radius:var(--raio);padding:20px 16px;text-align:center;
}
.section--ice .stat{background:var(--branco);border-color:#d6e3c8;box-shadow:var(--sombra-suave)}
.stat .num{font-family:var(--fonte-display);font-weight:700;font-size:2.1rem;color:var(--verde-principal);line-height:1}
.stat .lab{display:block;margin-top:6px;font-size:.8rem;font-weight:600;letter-spacing:.04em;color:var(--texto-suave)}
.section--forest .stat .lab,.section--dark .stat .lab{color:rgba(225,245,249,.7)}

/* =====================================================================
   POR QUE PARTICIPAR (cards)
   ===================================================================== */
.cards{display:grid;grid-template-columns:1fr;gap:16px;margin-top:34px}
.card{
  background:var(--branco);border-radius:var(--raio);padding:26px 22px;
  box-shadow:var(--sombra-suave);border:1px solid #e7eede;
  transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sombra)}
.card .ico{
  width:54px;height:54px;border-radius:14px;display:grid;place-items:center;
  font-size:1.5rem;margin-bottom:14px;
  background:linear-gradient(135deg,var(--verde-principal),var(--verde-escuro));color:#fff;
}
.card h3{font-size:1.18rem;color:var(--verde-escuro);margin-bottom:.4em}
.card p{font-size:.95rem;color:var(--texto-suave);margin:0}

/* =====================================================================
   PROGRAMAÇÃO — timeline (a "raiz" do dia)
   ===================================================================== */
.timeline{position:relative;margin-top:40px}
.timeline::before{
  content:"";position:absolute;left:72px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(var(--dourado-escuro),rgba(233,212,150,.25));
}
.tl-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:34px;padding-bottom:26px}
.tl-time{
  font-family:var(--fonte-display);font-weight:700;font-size:.92rem;color:var(--dourado);
  text-align:right;padding-top:14px;white-space:nowrap;
}
.tl-card{
  position:relative;background:rgba(255,255,255,.05);
  border:1px solid rgba(233,212,150,.2);border-radius:14px;padding:16px 18px;
}
.tl-card::before{
  content:"";position:absolute;left:-26px;top:20px;width:13px;height:13px;border-radius:50%;
  background:var(--verde-principal);border:3px solid var(--verde-profundo);
  box-shadow:0 0 0 2px var(--dourado-escuro);transform:translateX(-50%);
}
.tl-item.is-keynote .tl-card{background:rgba(109,178,13,.12);border-color:var(--verde-principal)}
.tl-item.is-break .tl-card{background:rgba(233,212,150,.08);border-style:dashed}
.tl-card h4{color:var(--branco);font-size:1.06rem;margin-bottom:.25em}
.tl-card p{margin:0;color:rgba(225,245,249,.74);font-size:.88rem}
.tl-tag{
  display:inline-block;margin-top:8px;font-size:.66rem;font-weight:800;letter-spacing:.08em;
  text-transform:uppercase;color:var(--verde-profundo);background:var(--dourado);
  padding:3px 9px;border-radius:30px;
}
.tl-speaker{color:var(--dourado-escuro);font-weight:600}

/* =====================================================================
   PALESTRANTE EM DESTAQUE
   ===================================================================== */
.speaker{display:grid;grid-template-columns:1fr;gap:24px;margin-top:34px;align-items:center}
.speaker-photo{
  position:relative;max-width:300px;margin:0 auto;border-radius:22px;overflow:hidden;
  box-shadow:var(--sombra);border:5px solid var(--branco);
}
.speaker-photo img{width:100%;display:block}
.speaker-info h3{font-size:1.5rem;color:var(--verde-escuro)}
.speaker-role{
  display:inline-block;font-weight:700;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--verde-principal);margin-bottom:14px;
}
.speaker-info p{font-size:.96rem;color:var(--texto-suave)}
.medals{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.medal{
  display:inline-flex;align-items:center;gap:7px;font-size:.8rem;font-weight:600;
  background:#fff;border:1px solid #e0e7d4;border-radius:40px;padding:7px 13px;color:var(--verde-escuro);
  box-shadow:var(--sombra-suave);
}

/* =====================================================================
   INFORMAÇÕES / LOCAL
   ===================================================================== */
.info-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:30px}
.info-box{
  background:rgba(255,255,255,.06);border:1px solid rgba(233,212,150,.22);
  border-radius:var(--raio);padding:22px;display:flex;gap:14px;align-items:flex-start;
}
.info-box .ico{font-size:1.5rem;flex:none;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:rgba(109,178,13,.18);border:1px solid rgba(109,178,13,.4)}
.info-box h4{color:var(--branco);font-size:1.05rem;margin-bottom:.3em}
.info-box p{margin:0;color:rgba(225,245,249,.8);font-size:.92rem}
.map-embed{margin-top:26px;border-radius:var(--raio);overflow:hidden;box-shadow:var(--sombra);border:3px solid rgba(233,212,150,.3)}
.map-embed iframe{display:block;width:100%;height:300px;border:0}

/* =====================================================================
   FORM 2 (antes do rodapé) — sobre fundo florestal
   ===================================================================== */
.cta-form{background:linear-gradient(160deg,var(--verde-escuro),var(--verde-profundo))}
.cta-form .form-card{margin-top:34px}

/* =====================================================================
   RODAPÉ + faixa de marcas
   ===================================================================== */
.partners{background:var(--verde-profundo);padding:46px 0 10px;border-top:1px solid rgba(233,212,150,.14)}
.partners-grid{display:grid;grid-template-columns:1fr;gap:26px;text-align:center}
.partner h5{
  font-family:var(--fonte-corpo);font-weight:700;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--dourado);margin-bottom:14px;
}
.partner .logo-hold{display:flex;align-items:center;justify-content:center;min-height:74px}
.partner img{max-height:62px;width:auto;object-fit:contain}
.partner.smef img{max-height:78px}
.partner.crea img{max-height:70px}
.partner.abemec img{max-height:80px}

.site-footer{background:#0b120d;color:rgba(225,245,249,.7);padding:40px 0 26px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:26px}
.footer-col h4{color:var(--branco);font-family:var(--fonte-corpo);font-weight:700;font-size:.95rem;margin-bottom:14px;letter-spacing:.02em}
.footer-col p{font-size:.9rem;margin-bottom:.6em}
.footer-col a:hover{color:var(--verde-principal)}
.social{display:flex;gap:10px;margin-top:12px}
.social a{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:rgba(233,212,150,.1);border:1px solid rgba(233,212,150,.2);color:var(--branco-gelo);
  font-size:1.05rem;transition:.2s;
}
.social a:hover{background:var(--verde-principal);color:#0f1a08;border-color:var(--verde-principal)}
.footer-bottom{
  margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;gap:8px;font-size:.78rem;text-align:center;
}
.footer-bottom a{color:var(--dourado-escuro)}

/* botão flutuante de inscrição (mobile) */
.float-cta{
  position:fixed;left:16px;right:16px;bottom:16px;z-index:55;
  transform:translateY(140%);transition:transform .35s ease;
}
.float-cta.show{transform:translateY(0)}
.float-cta .btn{box-shadow:0 12px 30px rgba(109,178,13,.4)}

/* topo */
#toTop{
  position:fixed;right:16px;bottom:84px;z-index:54;width:46px;height:46px;border-radius:50%;
  background:var(--verde-escuro);color:var(--branco);border:1px solid rgba(233,212,150,.3);
  display:none;place-items:center;cursor:pointer;font-size:1.2rem;box-shadow:var(--sombra-suave);
}
#toTop.show{display:grid}

/* =====================================================================
   BREAKPOINTS
   ===================================================================== */
@media (min-width:560px){
  .field-grid{grid-template-columns:1fr 1fr;gap:0 14px}
  .stats{grid-template-columns:repeat(4,1fr)}
  .brand-text{display:block}
}
@media (min-width:768px){
  .section{padding:84px 0}
  .cards{grid-template-columns:repeat(2,1fr)}
  .info-grid{grid-template-columns:1fr 1fr}
  .speaker{grid-template-columns:300px 1fr;gap:40px}
  .partners-grid{grid-template-columns:repeat(4,1fr);align-items:center}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr}
  .footer-bottom{flex-direction:row;justify-content:space-between;text-align:left}
  .form-card{margin-top:-60px}
  .form-body{padding:32px}
  .tl-time{font-size:1.02rem}
  .float-cta{display:none}
}
@media (min-width:992px){
  .nav-toggle{display:none}
  .main-nav{
    position:static;width:auto;transform:none;flex-direction:row;align-items:center;
    background:none;box-shadow:none;padding:0;gap:6px;
  }
  .main-nav a{
    color:var(--branco);font-size:.94rem;padding:8px 14px;border-bottom:0;border-radius:8px;
  }
  .main-nav a:hover{background:rgba(255,255,255,.08);color:var(--dourado)}
  .main-nav .btn{margin-top:0;margin-left:8px;padding:11px 22px;font-size:.9rem}
  .nav-backdrop{display:none}
  .cards{grid-template-columns:repeat(3,1fr)}
  .hero{min-height:92vh}
  .quickform-wrap .form-card{max-width:920px;margin-left:auto;margin-right:auto}
}
@media (min-width:1200px){
  .timeline::before{left:92px}
  .tl-item{grid-template-columns:76px 1fr}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}