/* =====================================================================
   SINGEO-MG · Módulo 1 – Avanços Tecnológicos
   Folha de estilo mobile-first. Paleta extraída das fotografias de
   mineração (rocha, óxido de ferro, poeira e céu de fim de tarde).
   Fontes: Barlow + Barlow Semi Condensed (Google Fonts).
   ===================================================================== */

:root{
  /* Paleta "mineração" */
  --grafite:#1C211F;        /* rocha escura / sombra de cava   */
  --xisto:#2B3330;          /* xisto, fundos escuros secundários */
  --ardosia:#4B5450;        /* ardósia                           */
  --rocha:#6B5F50;          /* rocha marrom                      */
  --oxido:#9A4E2A;          /* óxido de ferro (texto/acento)     */
  --ambar:#E39A3B;          /* pôr do sol / equipamento (CTA)    */
  --ambar-claro:#F0B562;
  --ocre:#B39980;           /* bancadas de ocre                  */
  --areia:#E8DDD0;          /* poeira clara                      */
  --calcario:#F5F1EB;       /* fundo claro                       */
  --ceu:#A6B7D0;            /* céu do entardecer                 */
  --branco:#FFFFFF;

  --texto:#1C211F;
  --texto-suave:#55524C;
  --linha:#E2D8CB;
  --sombra:0 18px 44px rgba(28,33,31,.18);
  --sombra-suave:0 6px 22px rgba(28,33,31,.10);
  --raio:16px;
  --raio-sm:10px;
  --container:1160px;

  --fonte-display:"Barlow Semi Condensed", "Barlow", system-ui, sans-serif;
  --fonte-corpo:"Barlow", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* curvas de nível (textura geológica) */
  --contorno:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='600' viewBox='0 0 600 600'%3E%3Cg fill='none' stroke='%23E39A3B' stroke-opacity='.10' stroke-width='1.2'%3E%3Cpath d='M-20 120c80-60 180-40 260 0s200 70 380-10'/%3E%3Cpath d='M-20 170c90-55 190-30 270 5s190 60 370-15'/%3E%3Cpath d='M-20 220c100-50 200-20 280 10s180 50 360-20'/%3E%3Cpath d='M-20 380c70 40 170 60 250 20s210-80 390 0'/%3E%3Cpath d='M-20 430c80 35 180 50 260 15s200-70 380 5'/%3E%3Cpath d='M-20 480c90 30 190 40 270 10s190-60 370 10'/%3E%3Ccircle cx='470' cy='300' r='40'/%3E%3Ccircle cx='470' cy='300' r='75'/%3E%3Ccircle cx='470' cy='300' r='112'/%3E%3C/g%3E%3C/svg%3E");
}

*,*::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(--calcario);line-height:1.62;font-size:17px;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:1.08;margin:0 0 .5em;font-weight:700;letter-spacing:-.005em}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--ambar);outline-offset:3px;border-radius:4px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.text-center{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* ---------- Eyebrow / títulos ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--fonte-corpo);font-weight:700;
  font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--oxido);margin-bottom:14px;
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--ambar)}
.section-title{font-size:clamp(1.9rem,6.4vw,3rem);color:var(--grafite);margin-bottom:.3em}
.section-lead{max-width:680px;margin:0 auto;color:var(--texto-suave);font-size:1.08rem}
.on-dark .eyebrow{color:var(--ambar)}
.on-dark .section-title{color:var(--branco)}
.on-dark .section-lead{color:rgba(232,221,208,.82)}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--fonte-corpo);font-weight:700;font-size:1.02rem;letter-spacing:.01em;
  padding:15px 28px;border-radius:50px;border:0;cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  text-align:center;line-height:1.1;
}
.btn-primary{background:var(--ambar);color:var(--grafite);box-shadow:0 10px 26px rgba(227,154,59,.32)}
.btn-primary:hover{background:var(--ambar-claro);transform:translateY(-2px)}
.btn-primary:disabled,.btn-primary[disabled]{background:#C9C3BA;color:#555;box-shadow:none;transform:none;cursor:not-allowed}
.btn-dark{background:var(--grafite);color:var(--areia)}
.btn-dark:hover{background:var(--xisto);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--branco);border:1.6px solid rgba(232,221,208,.55)}
.btn-ghost:hover{border-color:var(--ambar);background:rgba(227,154,59,.12)}
.btn-block{width:100%}

/* =====================================================================
   HEADER (fundo escuro → logo branca)
   ===================================================================== */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;padding:12px 0;
  background:linear-gradient(180deg, rgba(28,33,31,.75), rgba(28,33,31,0));
  transition:background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(28,33,31,.96);box-shadow:0 6px 24px rgba(0,0,0,.3);backdrop-filter:blur(6px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:14px}
.brand img{height:50px;width:auto}
.brand .brand-sep{display:none;width:1px;height:38px;background:rgba(232,221,208,.3)}
.brand .brand-crea{display:none;height:34px}

.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(--grafite);
  transform:translateX(100%);transition:transform .32s ease;
  display:flex;flex-direction:column;justify-content:center;gap:4px;
  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(--areia);font-weight:600;font-size:1.12rem;padding:13px 0;border-bottom:1px solid rgba(232,221,208,.12);transition:color .2s}
.main-nav a:hover{color:var(--ambar)}
.main-nav .btn{margin-top:18px;border-bottom:0;color:var(--grafite)}
.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;padding:108px 0 92px;color:var(--branco);
  background:var(--grafite) url("../images/mina-panorama.jpg") center 35%/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    linear-gradient(180deg, rgba(28,33,31,.55) 0%, rgba(28,33,31,.78) 55%, var(--grafite) 100%),
    radial-gradient(90% 70% at 85% 10%, rgba(227,154,59,.28), transparent 60%);
}
.hero-inner{position:relative;z-index:2;text-align:center}
.hero-badges{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:18px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.72rem;
  letter-spacing:.14em;text-transform:uppercase;padding:8px 15px;border-radius:50px;
  background:rgba(28,33,31,.55);border:1px solid rgba(232,221,208,.35);color:var(--areia);
}
.hero-badge.is-hot{background:var(--ambar);border-color:var(--ambar);color:var(--grafite)}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#e8452c;box-shadow:0 0 0 0 rgba(232,69,44,.7);animation:pulse 1.8s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(232,69,44,0)}100%{box-shadow:0 0 0 0 rgba(232,69,44,0)}}
.hero-kicker{font-family:var(--fonte-display);font-weight:600;font-size:clamp(1rem,4vw,1.35rem);letter-spacing:.3em;text-transform:uppercase;color:var(--ambar);margin:0 0 4px}
.hero h1{font-size:clamp(2.5rem,10.5vw,5.4rem);line-height:.98;color:var(--branco);margin:0 0 16px;text-wrap:balance}
.hero-sub{font-size:clamp(1.02rem,4vw,1.3rem);font-weight:500;color:var(--areia);max-width:700px;margin:0 auto 26px}
.hero-art{
  display:block;width:100%;max-width:1100px;margin:0 auto 26px;
  border-radius:18px;box-shadow:0 26px 60px rgba(0,0,0,.55);border:1px solid rgba(232,221,208,.25);
}
.hero-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 22px;margin-bottom:28px}
.hero-meta div{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1rem;text-align:left}
.hero-meta .ico{
  width:38px;height:38px;flex:none;border-radius:11px;display:grid;place-items:center;
  background:rgba(227,154,59,.16);border:1px solid rgba(227,154,59,.45);color:var(--ambar);
}
.hero-cta{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}

/* =====================================================================
   FORMULÁRIO
   ===================================================================== */
.quickform-wrap{background:var(--grafite);padding:0 0 64px}
.form-card{
  background:var(--branco);border-radius:22px;box-shadow:var(--sombra);
  margin-top:-56px;position:relative;z-index:5;overflow:hidden;
}
.form-head{
  background:linear-gradient(135deg,var(--xisto),var(--grafite) 70%);
  color:var(--branco);padding:26px 24px 22px;border-bottom:4px solid var(--ambar);
  display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;
}
.form-head h2{color:var(--branco);font-size:1.7rem;margin-bottom:.15em}
.form-head h2 i{color:var(--ambar);margin-right:6px}
.form-head p{margin:0;color:rgba(232,221,208,.85);font-size:.97rem}
.form-head .free{
  font-family:var(--fonte-display);font-weight:700;font-size:.9rem;letter-spacing:.14em;text-transform:uppercase;
  background:rgba(227,154,59,.15);border:1px solid rgba(227,154,59,.5);color:var(--ambar);padding:7px 14px;border-radius:40px;
}
.form-body{padding:24px}

.field{margin-bottom:15px}
.field label,.field .label{display:block;font-weight:600;font-size:.86rem;color:var(--xisto);margin-bottom:6px}
.field .req{color:var(--oxido)}
.field .hint{display:block;font-weight:400;font-size:.78rem;color:var(--texto-suave);margin-top:5px}
.input,.select,.textarea{
  width:100%;font-family:inherit;font-size:1rem;color:var(--texto);
  padding:13px 15px;border:1.6px solid var(--linha);border-radius:var(--raio-sm);
  background:#FBF9F6;transition:border-color .2s, box-shadow .2s, background .2s;
}
.input:focus,.select:focus,.textarea:focus{outline:0;border-color:var(--ambar);background:#fff;box-shadow:0 0 0 3px rgba(227,154,59,.2)}
.input.is-invalid,.select.is-invalid,.textarea.is-invalid{border-color:#c0392b;background:#fff7f6}
.textarea{resize:vertical;min-height:70px}
.field-grid{display:grid;grid-template-columns:1fr;gap:0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.lgpd{
  background:var(--calcario);border:1px solid var(--linha);border-radius:var(--raio-sm);
  padding:14px 16px;font-size:.84rem;color:var(--texto-suave);max-height:150px;overflow:auto;margin-bottom:14px;
}
.lgpd strong{color:var(--xisto)}
.check-row{display:flex;align-items:flex-start;gap:11px;margin:0 0 12px;font-size:.93rem;color:var(--xisto);cursor:pointer}
.check-row input{margin-top:3px;width:19px;height:19px;accent-color:var(--oxido);flex:none}
.form-note{font-size:.82rem;color:var(--texto-suave);margin:12px 0 0;text-align:center}
.form-note i{color:var(--oxido)}

.form-status{display:none;border-radius:var(--raio-sm);padding:13px 15px;margin-bottom:16px;font-size:.95rem;font-weight:600}
.form-status.ok{display:block;background:#eef6e6;color:#2f5a12;border:1px solid #a9cf86}
.form-status.err{display:block;background:#fdecea;color:#a5281b;border:1px solid #ec9c93}

/* sucesso + comprovante */
.form-success{display:none;text-align:center;padding:10px 4px}
.form-success.show{display:block}
.form-success .check{
  width:74px;height:74px;margin:4px auto 14px;border-radius:50%;display:grid;place-items:center;
  background:rgba(227,154,59,.15);color:var(--oxido);font-size:2rem;border:2px solid var(--ambar);
}
.form-success h3{font-size:1.8rem;color:var(--grafite);margin-bottom:.2em}
.form-success p{color:var(--texto-suave);max-width:520px;margin:0 auto 14px}
.protocolo{
  display:inline-flex;flex-direction:column;align-items:center;gap:2px;margin:6px auto 18px;
  background:var(--calcario);border:2px dashed var(--ocre);border-radius:14px;padding:14px 30px;
}
.protocolo .lbl{font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--rocha)}
.protocolo .cod{font-family:var(--fonte-display);font-weight:700;font-size:2rem;letter-spacing:.14em;color:var(--oxido)}
.success-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}

/* =====================================================================
   SEÇÕES
   ===================================================================== */
.section--sand{background:var(--calcario)}
.section--light{background:var(--branco)}
.section--dark{background:var(--grafite);color:var(--areia)}
.section--rock{background:var(--grafite) var(--contorno) center/600px repeat;color:var(--areia)}

/* sobre */
.about-grid{display:grid;grid-template-columns:1fr;gap:30px;margin-top:34px;align-items:center}
.prose p{font-size:1.06rem;color:var(--texto-suave);margin-bottom:1.05em}
.prose .lead{font-size:1.22rem;color:var(--grafite);font-weight:500}
.prose .pull,.pull{
  border-left:4px solid var(--ambar);padding:6px 0 6px 20px;margin:22px 0;
  font-family:var(--fonte-display);font-size:1.45rem;font-weight:600;color:var(--oxido);line-height:1.25;
}
.about-figure{position:relative;margin:0}
.about-figure img{border-radius:20px;box-shadow:var(--sombra);width:100%;aspect-ratio:4/3;object-fit:cover}
.about-figure .tag{
  position:absolute;left:16px;bottom:16px;background:rgba(28,33,31,.88);color:var(--areia);
  padding:10px 14px;border-radius:12px;font-size:.84rem;border-left:3px solid var(--ambar);max-width:80%;
}
.about-figure .tag b{display:block;color:var(--branco);font-family:var(--fonte-display);font-size:1.02rem}

.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:40px}
.stat{background:var(--branco);border:1px solid var(--linha);border-radius:var(--raio);padding:22px 16px;text-align:center;box-shadow:var(--sombra-suave);position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--ocre),var(--ambar),var(--oxido))}
.stat .num{font-family:var(--fonte-display);font-weight:800;font-size:2.4rem;color:var(--oxido);line-height:1}
.stat .lab{display:block;margin-top:6px;font-size:.84rem;font-weight:600;letter-spacing:.03em;color:var(--texto-suave)}

/* palestras */
.talks{display:grid;grid-template-columns:1fr;gap:22px;margin-top:38px}
.talk{
  background:var(--xisto);border:1px solid rgba(232,221,208,.12);border-radius:20px;overflow:hidden;
  display:flex;flex-direction:column;box-shadow:0 18px 40px rgba(0,0,0,.25);
}
.talk-img{position:relative;aspect-ratio:16/9;overflow:hidden}
.talk-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.talk:hover .talk-img img{transform:scale(1.04)}
.talk-num{
  position:absolute;top:14px;left:14px;font-family:var(--fonte-display);font-weight:800;font-size:.86rem;
  letter-spacing:.16em;text-transform:uppercase;background:var(--ambar);color:var(--grafite);padding:6px 12px;border-radius:30px;
}
.talk-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.talk-body h3{color:var(--branco);font-size:1.55rem;margin:0}
.talk-body p{color:rgba(232,221,208,.82);margin:0;font-size:.98rem}
.talk-meta{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:auto;padding-top:12px;border-top:1px solid rgba(232,221,208,.12);font-size:.9rem;color:var(--areia)}
.talk-meta i{color:var(--ambar);margin-right:6px}

/* cards por que participar */
.cards{display:grid;grid-template-columns:1fr;gap:16px;margin-top:36px}
.card{
  background:var(--branco);border-radius:var(--raio);padding:26px 22px;border:1px solid var(--linha);
  box-shadow:var(--sombra-suave);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:1.4rem;margin-bottom:14px;
  background:linear-gradient(135deg,var(--oxido),var(--rocha));color:var(--branco);
}
.card h3{font-size:1.32rem;color:var(--grafite);margin-bottom:.35em}
.card p{font-size:.98rem;color:var(--texto-suave);margin:0}

/* timeline */
.timeline{position:relative;margin:40px auto 0;max-width:860px}
.timeline::before{content:"";position:absolute;left:79px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--ambar),rgba(227,154,59,.15))}
.tl-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:48px;padding-bottom:22px}
.tl-time{font-family:var(--fonte-display);font-weight:700;font-size:1.02rem;color:var(--ambar);text-align:right;padding-top:15px;white-space:nowrap}
.tl-card{position:relative;background:rgba(255,255,255,.04);border:1px solid rgba(232,221,208,.16);border-radius:14px;padding:16px 18px}
.tl-card::before{
  content:"";position:absolute;left:-24px;top:21px;width:13px;height:13px;border-radius:50%;
  background:var(--ambar);border:3px solid var(--grafite);box-shadow:0 0 0 2px var(--ocre);transform:translateX(-50%);
}
.tl-item.is-keynote .tl-card{background:rgba(227,154,59,.1);border-color:rgba(227,154,59,.6)}
.tl-item.is-end .tl-card{border-style:dashed}
.tl-card h4{color:var(--branco);font-size:1.2rem;margin-bottom:.2em}
.tl-card p{margin:0;color:rgba(232,221,208,.76);font-size:.94rem}
.tl-tag{display:inline-block;margin-top:9px;font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--grafite);background:var(--ambar);padding:3px 10px;border-radius:30px}
.tl-speaker{color:var(--ambar-claro);font-weight:600}
.notice{
  max-width:860px;margin:18px auto 0;display:flex;gap:14px;align-items:flex-start;
  background:rgba(232,221,208,.06);border:1px solid rgba(232,221,208,.16);border-left:4px solid var(--ambar);
  border-radius:12px;padding:16px 18px;color:rgba(232,221,208,.88);font-size:.95rem;
}
.notice i{color:var(--ambar);font-size:1.2rem;margin-top:3px}
.notice p{margin:0}

/* palestrantes */
.speaker{display:grid;grid-template-columns:1fr;gap:26px;margin-top:40px;align-items:start;background:var(--branco);border:1px solid var(--linha);border-radius:24px;padding:22px;box-shadow:var(--sombra-suave)}
.speaker-photo{position:relative;max-width:300px;width:100%;margin:0 auto;border-radius:18px;overflow:hidden;aspect-ratio:3/4}
.speaker-photo img{width:100%;height:100%;object-fit:cover;object-position:center top}
.speaker-photo::after{content:"";position:absolute;inset:auto 0 0 0;height:6px;background:linear-gradient(90deg,var(--ambar),var(--oxido))}
.speaker-info h3{font-size:1.9rem;color:var(--grafite);margin-bottom:.15em}
.speaker-role{display:block;font-weight:700;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--oxido);margin-bottom:14px}
.speaker-talk{display:flex;gap:10px;align-items:flex-start;background:var(--calcario);border-radius:12px;padding:12px 14px;margin-bottom:16px;font-size:.95rem;color:var(--xisto);font-weight:600}
.speaker-talk i{color:var(--oxido);margin-top:4px}
.speaker-info p{font-size:1rem;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:.84rem;font-weight:600;background:var(--calcario);border:1px solid var(--linha);border-radius:40px;padding:7px 13px;color:var(--xisto)}
.medal i{color:var(--oxido)}

/* galeria */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:36px}
.gallery figure{position:relative;margin:0;border-radius:14px;overflow:hidden;aspect-ratio:4/3;background:var(--xisto)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{position:absolute;inset:auto 0 0 0;padding:26px 12px 10px;font-size:.8rem;font-weight:600;color:var(--branco);background:linear-gradient(transparent,rgba(28,33,31,.88))}
.gallery .wide{grid-column:span 2;aspect-ratio:16/9}
.credit{font-size:.78rem;color:rgba(232,221,208,.55);text-align:center;margin-top:14px}

/* informações */
.info-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:34px}
.info-box{background:rgba(255,255,255,.05);border:1px solid rgba(232,221,208,.16);border-radius:var(--raio);padding:20px;display:flex;gap:14px;align-items:flex-start}
.info-box .ico{font-size:1.25rem;flex:none;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:rgba(227,154,59,.14);border:1px solid rgba(227,154,59,.45);color:var(--ambar)}
.info-box h4{color:var(--branco);font-size:1.15rem;margin-bottom:.2em}
.info-box p{margin:0;color:rgba(232,221,208,.82);font-size:.95rem}
.info-box a{color:var(--ambar-claro);text-decoration:underline;text-underline-offset:3px}

/* form 2 */
.cta-form{background:linear-gradient(170deg,var(--xisto),var(--grafite) 65%)}
.cta-form .form-card{margin-top:34px;max-width:920px;margin-left:auto;margin-right:auto}

/* parceiros (fundo claro → logos escuras) */
.partners{background:var(--calcario);padding:46px 0;border-top:1px solid var(--linha)}
.partners-grid{display:grid;grid-template-columns:1fr;gap:30px;text-align:center;max-width:820px;margin:0 auto}
.partner h5{font-family:var(--fonte-corpo);font-weight:700;font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;color:var(--oxido);margin:0 0 14px}
.partner .logo-hold{display:flex;align-items:center;justify-content:center;min-height:80px}
.partner img{max-height:76px;width:auto;object-fit:contain}
.partner.crea img{max-height:58px}
.partners .approval{text-align:center;font-size:.88rem;color:var(--texto-suave);margin:26px auto 0;max-width:720px}

/* rodapé (fundo escuro → logos brancas) */
.site-footer{background:#141816;color:rgba(232,221,208,.72);padding:44px 0 26px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px}
.footer-logos{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:14px}
.footer-logos img{height:44px;width:auto}
.footer-logos .crea{height:34px}
.footer-col h4{color:var(--branco);font-family:var(--fonte-corpo);font-weight:700;font-size:.98rem;margin-bottom:14px}
.footer-col p{font-size:.93rem;margin-bottom:.6em}
.footer-col i{color:var(--ambar);width:18px}
.footer-col a:hover{color:var(--ambar)}
.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:.8rem;text-align:center}
.footer-bottom a{color:var(--ambar)}

/* flutuantes */
.float-cta{position:fixed;left:16px;right:16px;bottom:16px;z-index:55;transform:translateY(140%);transition:transform .35s ease}
.float-cta.show:not(.near-form){transform:translateY(0)}
.float-cta .btn{box-shadow:0 12px 30px rgba(0,0,0,.35)}
#toTop{
  position:fixed;right:16px;bottom:84px;z-index:54;width:46px;height:46px;border-radius:50%;
  background:var(--xisto);color:var(--branco);border:1px solid rgba(232,221,208,.3);
  display:none;place-items:center;cursor:pointer;font-size:1.1rem;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 .brand-sep,.brand .brand-crea{display:block}
  .gallery{grid-template-columns:repeat(3,1fr);grid-auto-rows:180px}
  .gallery figure,.gallery .wide{aspect-ratio:auto}
  .gallery .wide{grid-column:span 2}
}
@media (min-width:768px){
  .section{padding:90px 0}
  .cards{grid-template-columns:repeat(2,1fr)}
  .talks{grid-template-columns:1fr 1fr}
  .info-grid{grid-template-columns:1fr 1fr}
  .speaker{grid-template-columns:280px 1fr;gap:36px;padding:28px}
  .partners-grid{grid-template-columns:1fr 1fr;align-items:center}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
  .footer-bottom{flex-direction:row;justify-content:space-between;text-align:left}
  .form-body{padding:32px}
  .float-cta{display:none}
  .brand img{height:58px}
}
@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:4px}
  .main-nav a{color:var(--branco);font-size:.97rem;padding:8px 13px;border-bottom:0;border-radius:8px}
  .main-nav a:hover{background:rgba(255,255,255,.08);color:var(--ambar)}
  .main-nav .btn{margin-top:0;margin-left:8px;padding:11px 22px;font-size:.94rem}
  .nav-backdrop{display:none}
  .cards{grid-template-columns:repeat(3,1fr)}
  .about-grid{grid-template-columns:1.15fr .85fr;gap:56px}
  .quickform-wrap .form-card{max-width:920px;margin-left:auto;margin-right:auto}
  .info-grid{grid-template-columns:repeat(3,1fr)}
  .gallery{grid-template-columns:repeat(4,1fr);grid-auto-rows:220px}
}
@media (min-width:1200px){
  .timeline::before{left:99px}
  .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}
.no-js .reveal{opacity:1;transform:none}