@import url('https://fonts.googleapis.com/css2?family=Bangers&family=Oswald:wght@400;500;600;700&family=Poppins:wght@400;500;600;700;800;900&display=swap');

:root{
  --black:#071016;
  --black2:#020608;
  --dark:#0b151b;
  --orange:#f26a16;
  --orange2:#ff7f18;
  --orange3:#c53605;
  --cream:#fff3dd;
  --cream2:#fff8ec;
  --line:#ffb56e;
  --brown:#421b0c;
  --shadow:0 14px 30px rgba(74, 23, 0, .18);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Poppins, Arial, sans-serif;
  color:#241006;
  background:
    radial-gradient(circle at 8% 10%, rgba(255,111,0,.12), transparent 22%),
    radial-gradient(circle at 88% 20%, rgba(255,111,0,.10), transparent 28%),
    linear-gradient(180deg, #fff4df 0%, #fff9ef 45%, #fff0d7 100%);
}

a{color:inherit;text-decoration:none}

.topbar{
  height:68px;
  background:linear-gradient(90deg,#03080c,#09151c 55%,#05090b);
  border-bottom:1px solid rgba(242,106,22,.75);
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:22px;
  padding:0 34px;
  color:white;
  position:relative;
  z-index:10;
}

.search-box{
  display:flex;align-items:center;gap:10px;
  border:1px solid rgba(255,143,52,.65);
  border-radius:9px;
  padding:10px 14px;
  width:300px;
  background:rgba(0,0,0,.2);
}
.search-box input{background:transparent;border:0;outline:0;color:white;width:100%;font-family:Poppins}
.search-box input::placeholder{color:#ffd5ac}
.top-link{font-weight:700;display:flex;gap:9px;align-items:center;padding:12px 15px;border-radius:9px}
.top-link.active{background:linear-gradient(180deg,#ff7b20,#e95b10);box-shadow:0 6px 16px rgba(236,93,15,.35)}

.hero{
  min-height:390px;
  background:
    linear-gradient(90deg,rgba(5,9,12,.80) 0%,rgba(70,25,5,.55) 44%,rgba(5,9,12,.82) 100%),
    radial-gradient(circle at 5% 70%,rgba(255,103,0,.55),transparent 20%),
    radial-gradient(circle at 80% 25%,rgba(255,111,0,.35),transparent 24%),
    linear-gradient(135deg,#080f13 0%,#301306 50%,#080f13 100%);
  color:white;
  position:relative;
  overflow:hidden;
  display:flex;
  justify-content:center;
  align-items:center;
  border-bottom:3px solid #f26a16;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:
    repeating-linear-gradient(115deg,transparent 0 18px,rgba(255,113,20,.06) 19px 20px),
    radial-gradient(circle at 12% 12%,rgba(255,122,20,.28),transparent 12%),
    radial-gradient(circle at 50% 80%,rgba(255,111,0,.18),transparent 22%);
  opacity:.95;
}
.hero-right-logo{
  position:absolute;right:-40px;top:-25px;width:430px;opacity:.34;filter:saturate(1.25) contrast(1.1);
}
.hero-left-logo{width:280px;position:absolute;left:105px;top:30px;filter:drop-shadow(0 18px 12px rgba(0,0,0,.45))}
.hero-center{text-align:center;position:relative;z-index:2;margin-top:10px}
.brand-title{
  font-family:Bangers, Impact, sans-serif;
  font-size:136px;
  line-height:.85;
  letter-spacing:3px;
  margin:0;
  text-shadow:0 8px 0 rgba(0,0,0,.16), 0 10px 28px rgba(0,0,0,.7);
}
.brand-title .bio{color:#fff;display:inline-block;transform:rotate(-2deg)}
.brand-title .guara{color:#ff7417;display:inline-block;transform:rotate(2deg)}
.brand-sub{font-size:24px;font-weight:800;letter-spacing:2px;margin:22px 0 12px}
.brand-sub span{color:#ff7417;margin:0 12px}
.quote{font-size:24px;letter-spacing:2px;font-weight:500}.quote b{color:#ff7417;font-size:34px}

.mainnav{
  margin:-31px auto 0;
  width:96%;
  max-width:1680px;
  position:relative;
  z-index:5;
  display:grid;
  grid-template-columns:1.1fr repeat(7,1fr);
  background:#061016;
  border:1px solid rgba(255,132,48,.52);
  border-radius:0 0 13px 13px;
  overflow:hidden;
  box-shadow:0 13px 30px rgba(0,0,0,.32);
}
.mainnav a{color:white;text-transform:uppercase;font-weight:900;font-size:18px;text-align:center;padding:17px 10px;border-right:1px solid rgba(255,129,45,.26);display:flex;justify-content:center;align-items:center;gap:12px}
.mainnav a.active{background:linear-gradient(180deg,#ff7a21,#ef5f13);font-size:19px}.mainnav a:hover{background:#17232a}

.container{width:min(1640px,96%);margin:0 auto;padding:18px 0 0}
.section-title{font-family:Oswald, Poppins, sans-serif;font-size:31px;text-align:center;text-transform:uppercase;letter-spacing:2px;margin:0 0 22px;color:#481d0b;position:relative;font-weight:800}
.section-title::before,.section-title::after{content:"";display:inline-block;width:170px;height:2px;background:linear-gradient(90deg,transparent,#f26a16);vertical-align:middle;margin:0 18px}.section-title::after{background:linear-gradient(90deg,#f26a16,transparent)}
.paw{text-align:center;color:#e95b10;font-size:28px;margin-top:-23px;margin-bottom:20px}

.bimester-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin:0 48px 25px}
.bimester-card{min-height:160px;border-radius:12px;padding:18px 24px;display:grid;grid-template-columns:110px 1fr;align-items:center;overflow:hidden;position:relative;border:1px solid rgba(194,60,0,.32);box-shadow:var(--shadow)}
.bimester-card::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 18%,rgba(255,255,255,.18),transparent 16%),repeating-linear-gradient(135deg,transparent 0 28px,rgba(255,255,255,.08) 30px 31px)}
.bimester-card:nth-child(1){background:linear-gradient(135deg,#ffd092,#ffb158)}
.bimester-card:nth-child(2){background:linear-gradient(135deg,#ff891c,#ff6b0b)}
.bimester-card:nth-child(3){background:linear-gradient(135deg,#ff6d09,#d84806)}
.bimester-card:nth-child(4){background:linear-gradient(135deg,#d74706,#8e2606)}
.bim-icon{position:relative;z-index:2;background:rgba(0,0,0,.72);color:#ffd39a;width:88px;height:88px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:44px;border:3px solid rgba(255,190,102,.55)}
.bim-text{position:relative;z-index:2;text-transform:uppercase;color:white;text-shadow:0 2px 5px rgba(0,0,0,.35)}
.bimester-card:first-child .bim-text{color:#050505;text-shadow:none}.bim-number{font-size:60px;line-height:.9;font-weight:900}.bim-label{font-size:23px;font-weight:900}.btn{display:inline-block;margin-top:9px;min-width:140px;text-align:center;background:linear-gradient(180deg,#e85b0e,#b63505);color:white;border-radius:7px;padding:8px 16px;font-weight:800;box-shadow:0 6px 12px rgba(89,29,3,.25)}
.bimester-card:first-child .btn{color:white}

.subject-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-bottom:18px}
.subject-card{background:rgba(255,255,255,.72);border:1px solid rgba(216,111,38,.30);border-radius:12px;min-height:176px;padding:20px;display:grid;grid-template-columns:95px 1fr;align-items:center;box-shadow:0 10px 22px rgba(87,28,4,.12);transition:.2s}
.subject-card:hover{transform:translateY(-4px);box-shadow:0 15px 24px rgba(87,28,4,.2)}
.subject-icon{font-size:60px;text-align:center;filter:drop-shadow(0 4px 2px rgba(0,0,0,.14))}.subject-card h3{font-size:22px;margin:0 0 6px;font-weight:900;line-height:1.12}.subject-card p{font-size:14px;margin:0 0 10px}.subject-card .btn{color:#171000;background:linear-gradient(180deg,#ffc56f,#ff9b2e);box-shadow:none;padding:7px 16px;min-width:120px}

.feature-footer{background:linear-gradient(90deg,#05090c,#101010 65%,#e95b10);color:white;margin-top:18px;padding:28px 38px;display:grid;grid-template-columns:repeat(4,1fr) 1.35fr;align-items:center;gap:24px;border-top:3px solid #ff7a1b}.feature{display:flex;align-items:center;gap:18px;border-right:1px solid rgba(255,111,20,.45);min-height:70px}.feature .fi{font-size:52px;color:#ff7a1b}.feature p{font-size:18px;margin:0}.signature{display:flex;align-items:center;gap:20px;justify-content:flex-end}.signature img{width:120px}.sig-name{font-family:Oswald;font-size:23px;font-style:italic}.sig-sub{color:#ffd7a9;font-size:17px}

.page-wrap{width:min(1180px,94%);margin:34px auto;background:rgba(255,255,255,.68);border:1px solid rgba(216,111,38,.25);border-radius:16px;padding:28px;box-shadow:var(--shadow)}
.breadcrumb{font-size:14px;color:#8b421a;margin-bottom:15px}.page-title{font-size:38px;margin:0 0 18px;font-weight:900}.class-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.class-card{background:#fff8ed;border:1px solid #ffc089;border-radius:10px;padding:18px;display:grid;grid-template-columns:70px 1fr 30px;align-items:center}.class-card .subject-icon{font-size:45px}.class-card h3{margin:0}.arrow{font-size:30px;color:#d84b08}.lesson-layout{display:grid;grid-template-columns:1fr 260px;gap:28px}.tabs{display:flex;gap:30px;border-bottom:1px solid #d6b08a;margin:15px 0 26px}.tab{font-weight:900;text-transform:uppercase;padding:10px 0;color:#3c1608}.tab.active{color:#e4500b;border-bottom:3px solid #e4500b}.lesson h2{font-size:23px}.lesson h3{color:#3d1608}.lesson p,.lesson li{font-size:16px}.questions li{margin-bottom:26px;border-bottom:1px solid #dfc7ad;padding-bottom:18px}.sidebox{background:#fff7e9;border:1px solid #f0c096;border-radius:10px;padding:15px;margin-bottom:16px}.sidebox h4{margin:0 0 12px}.sidebox a{display:block;padding:9px;border-radius:7px;font-size:14px}.sidebox a.active{background:#ffe0bd;color:#d64b08;font-weight:800}

@media(max-width:1100px){.hero-left-logo{left:20px;width:190px}.brand-title{font-size:92px}.hero-right-logo{width:310px}.mainnav{grid-template-columns:repeat(4,1fr)}.bimester-grid{grid-template-columns:repeat(2,1fr);margin:0 0 25px}.subject-grid{grid-template-columns:repeat(2,1fr)}.feature-footer{grid-template-columns:1fr 1fr}.lesson-layout{grid-template-columns:1fr}.topbar{display:none}}
@media(max-width:650px){.hero{min-height:330px}.hero-left-logo{position:relative;left:auto;top:auto;width:140px;margin-bottom:10px}.hero-center{display:flex;flex-direction:column;align-items:center}.brand-title{font-size:55px}.brand-sub,.quote{font-size:15px}.hero-right-logo{display:none}.mainnav{grid-template-columns:1fr 1fr;margin-top:0;width:100%;border-radius:0}.mainnav a{font-size:13px;padding:13px 6px}.section-title{font-size:23px}.section-title::before,.section-title::after{width:35px;margin:0 8px}.bimester-grid,.subject-grid,.class-grid{grid-template-columns:1fr;margin:0 0 18px}.bimester-card,.subject-card{grid-template-columns:85px 1fr}.feature-footer{grid-template-columns:1fr}.signature{justify-content:flex-start}.page-wrap{padding:18px}.page-title{font-size:29px}}

/* Ajustes para páginas com muitas aulas */
.lessons-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.lesson-card {
  scroll-margin-top: 20px;
}
.lesson-badge {
  display: inline-block;
  background: linear-gradient(135deg, #ff8a00, #ff5a1f);
  color: #fff;
  font-weight: 800;
  padding: 8px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
  box-shadow: 0 8px 18px rgba(255, 104, 31, 0.22);
}
.page-intro {
  max-width: 900px;
  margin: -10px auto 24px auto;
  text-align: center;
  color: #6b3a12;
  font-size: 1.05rem;
}
.questions {
  list-style-type: decimal;
  margin-left: 28px;
  padding-left: 18px;
  line-height: 1.75;
}
.questions li {
  margin-bottom: 12px;
  padding-left: 6px;
}
.questions li::marker {
  color: #f57c00;
  font-weight: 900;
}
.sticky-list {
  position: sticky;
  top: 16px;
  max-height: 85vh;
  overflow: auto;
}
@media (max-width: 900px) {
  .sticky-list { position: static; max-height: none; }
}


/* Espaço reservado para inserir vídeos nas aulas */
.video-placeholder{
  margin-top:22px;
  padding:18px 20px;
  border:2px dashed rgba(243,108,19,.45);
  border-radius:16px;
  background:linear-gradient(135deg,#fff7ed,#ffe6c7);
  color:#3b1608;
}
.video-placeholder h3{
  margin:0 0 8px;
  color:#d94a07;
  font-size:20px;
}
.video-placeholder p{
  margin:0;
  font-weight:600;
}
.video-container{
  position:relative;
  width:100%;
  padding-bottom:56.25%;
  margin-top:14px;
  border-radius:16px;
  overflow:hidden;
  background:#111;
}
.video-container iframe{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  border:0;
}


/* =========================================================
   PADRÃO UNIFICADO BIOGUARÁ - PÁGINAS DE AULAS
   ========================================================= */
.intro-alert{
  background:linear-gradient(135deg,#fff4e5,#ffe1bd);
  border:1px solid #f0bd8a;
  border-radius:14px;
  padding:16px 18px;
  margin-bottom:24px;
  color:#3c1608;
}
.lesson-stack{
  display:flex;
  flex-direction:column;
  gap:26px;
}
.lesson-card{
  background:#fff9ef;
  border:1px solid #f0bd8a;
  border-radius:18px;
  padding:30px;
  margin-bottom:42px;
  box-shadow:0 12px 30px rgba(89,34,6,.12);
  scroll-margin-top:18px;
}
.lesson-head{
  display:flex;
  gap:18px;
  align-items:center;
  border-bottom:1px solid #f3c69a;
  padding-bottom:18px;
  margin-bottom:22px;
}
.lesson-head h2{
  margin:0;
  color:#371406;
  font-size:25px;
  line-height:1.2;
}
.lesson-badge{
  display:inline-block;
  background:linear-gradient(135deg,#ff7a1a,#d94a07);
  color:#fff;
  font-weight:900;
  border-radius:999px;
  padding:8px 12px;
  white-space:nowrap;
  box-shadow:0 5px 12px rgba(216,75,8,.25);
  margin-bottom:0;
}
.lesson-tabs{
  display:flex;
  gap:30px;
  border-bottom:1px solid #d6b08a;
  margin:15px 0 20px;
}
.lesson-tabs .tab{
  font-weight:900;
  text-transform:uppercase;
  padding:10px 0;
  color:#3c1608;
}
.lesson-tabs .tab.active{
  color:#e4500b;
  border-bottom:3px solid #e4500b;
}
.lesson-section{
  margin-top:12px;
}
.lesson-section h3{
  color:#3d1608;
  margin-top:18px;
}
.lesson-section p,
.lesson-section li{
  font-size:16px;
}
.lesson-list,
.lesson-section ul{
  padding-left:24px;
  margin-top:8px;
}
.lesson-list li,
.lesson-section ul li{
  margin-bottom:7px;
}
.example-note{
  background:#fff0dc;
  border-left:5px solid #f36c13;
  padding:12px 14px;
  border-radius:8px;
}
.questions-block{
  background:#fff4e5;
  border-radius:12px;
  padding:16px;
  margin-top:18px;
  border:1px solid #ffd1a6;
}
.questions{
  list-style-type:decimal;
  margin-left:30px;
  padding-left:22px;
  line-height:1.75;
}
.questions li{
  margin-bottom:14px;
  padding-left:5px;
  border-bottom:none;
}
.questions li::marker{
  color:#f36c13;
  font-weight:900;
}
.sidebox.sticky,
.sticky-list{
  position:sticky;
  top:16px;
  max-height:85vh;
  overflow:auto;
}
.sidebox a{
  border-bottom:1px solid rgba(216,75,8,.10);
}
.video-placeholder{
  margin-top:22px;
  padding:18px 20px;
  border:2px dashed rgba(243,108,19,.45);
  border-radius:16px;
  background:linear-gradient(135deg,#fff7ed,#ffe6c7);
  color:#3b1608;
}
.video-placeholder h3{
  margin:0 0 8px;
  color:#d94a07;
  font-size:20px;
}
.video-placeholder p{
  margin:0;
  font-weight:600;
}
@media(max-width:700px){
  .lesson-head{display:block}
  .lesson-badge{display:inline-block;margin-bottom:10px}
  .lesson-head h2{font-size:21px}
  .lesson-tabs{gap:18px;flex-wrap:wrap}
}


/* =========================================================
   NAVEGAÇÃO POR TURMA - BIOGUARÁ
   ========================================================= */
.home-class-grid{
  grid-template-columns:repeat(4,1fr);
  margin-bottom:28px;
}
.hub-subject-grid{
  grid-template-columns:repeat(2,1fr);
}
@media(max-width:1100px){
  .home-class-grid{grid-template-columns:repeat(2,1fr);}
  .hub-subject-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:650px){
  .home-class-grid,
  .hub-subject-grid{grid-template-columns:1fr;}
}

/* =========================================================
   CORREÇÕES RESPONSIVAS - CARDS DOS BIMESTRES E CELULAR
   Atualizado para evitar texto cortado nos cards das páginas de turma.
   ========================================================= */

/* Menu principal mais flexível em telas de tamanhos diferentes */
.mainnav{
  grid-template-columns:repeat(auto-fit, minmax(135px, 1fr));
}

/* Dá um pouco mais de espaço útil às páginas de turma */
.page-wrap{
  width:min(1320px,94%);
}

/* Cards dos bimestres: não cortar texto, botão ou título */
.bimester-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(230px, 1fr));
  gap:22px;
  margin:0 auto 28px;
  width:100%;
  max-width:1120px;
}

.bimester-card{
  min-width:0;
  min-height:150px;
  grid-template-columns:74px minmax(0, 1fr);
  gap:16px;
  padding:18px 18px;
  overflow:hidden;
}

.bimester-card *{
  min-width:0;
}

.bim-text{
  min-width:0;
  overflow:visible;
}

.bim-number{
  font-size:clamp(42px, 5vw, 58px);
  line-height:.9;
}

.bim-label{
  font-size:clamp(17px, 2vw, 22px);
  line-height:1.05;
  white-space:normal;
  overflow-wrap:break-word;
}

.bim-icon{
  width:66px;
  height:66px;
  font-size:34px;
}

.bimester-card .btn{
  min-width:0;
  width:auto;
  max-width:100%;
  padding:8px 14px;
  font-size:14px;
  white-space:normal;
}

/* Cards de turmas e matérias também ficam mais seguros em telas estreitas */
.subject-grid,
.home-class-grid,
.hub-subject-grid,
.class-grid{
  width:100%;
}

.subject-card,
.class-card{
  min-width:0;
  overflow:hidden;
}

.subject-card h3,
.class-card h3{
  overflow-wrap:break-word;
}

/* Tablet */
@media(max-width:1100px){
  .page-wrap{
    width:min(980px,94%);
  }
  .bimester-grid{
    grid-template-columns:repeat(2, minmax(230px, 1fr));
    max-width:760px;
  }
  .mainnav{
    grid-template-columns:repeat(3, 1fr);
  }
}

/* Celular */
@media(max-width:650px){
  body{
    overflow-x:hidden;
  }
  .page-wrap{
    width:94%;
    padding:16px;
    margin:18px auto;
  }
  .bimester-grid{
    grid-template-columns:1fr;
    gap:16px;
    max-width:100%;
    margin:0 0 20px;
  }
  .bimester-card{
    grid-template-columns:58px minmax(0, 1fr);
    gap:14px;
    min-height:120px;
    padding:16px;
  }
  .bim-icon{
    width:54px;
    height:54px;
    font-size:28px;
  }
  .bim-number{
    font-size:38px;
  }
  .bim-label{
    font-size:17px;
  }
  .bimester-card .btn{
    display:inline-block;
    font-size:13px;
    padding:7px 12px;
  }
  .mainnav{
    grid-template-columns:1fr 1fr;
  }
  .mainnav a{
    min-height:48px;
  }
  .lesson-layout{
    grid-template-columns:1fr;
  }
  .lesson-card{
    padding:18px;
  }
  .lesson-section p,
  .lesson-section li{
    font-size:15.5px;
  }
}

/* Celulares muito estreitos */
@media(max-width:380px){
  .bimester-card{
    grid-template-columns:1fr;
    text-align:center;
    justify-items:center;
  }
  .bim-text{
    text-align:center;
  }
  .bimester-card .btn{
    margin-left:auto;
    margin-right:auto;
  }
}


/* =========================================================
   BOTÕES DE VOLTAR PARA A PÁGINA DA TURMA
   ========================================================= */
.page-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  align-items:center;
  margin:18px 0 22px;
}
.top-return{
  margin-top:10px;
  margin-bottom:24px;
}
.bottom-return{
  margin-top:28px;
  padding-top:22px;
  border-top:2px dashed rgba(243,108,19,.35);
}
.return-button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:12px 20px;
  border-radius:999px;
  background:linear-gradient(135deg,#ff7a1a,#d94a07);
  color:#fff;
  font-weight:900;
  box-shadow:0 8px 18px rgba(216,75,8,.22);
  border:1px solid rgba(255,255,255,.35);
  text-align:center;
}
.return-button:hover{
  filter:brightness(1.05);
  transform:translateY(-1px);
}
.return-button.secondary{
  background:linear-gradient(135deg,#fff7ed,#ffe0bd);
  color:#3c1608;
  border:1px solid #f0bd8a;
  box-shadow:none;
}
@media(max-width:700px){
  .page-actions{
    flex-direction:column;
    align-items:stretch;
  }
  .return-button{
    width:100%;
    border-radius:14px;
    font-size:15px;
    padding:13px 14px;
  }
}