/* =========================================================
   Pedro Valentim — Álgebra & Geometria
   Sistema de ensino: Trilhas SSA
   Paleta: Azul Navy (predominante) + Verde (destaque) + Branco
   ========================================================= */

:root{
  --navy-dark:#071a35;
  --navy:#0d2b52;
  --navy-mid:#123a68;
  --navy-light:#1c4d86;
  --green:#16a34a;
  --green-dark:#0e7a37;
  --green-light:#e7f7ed;
  --white:#ffffff;
  --gray-bg:#f5f7fa;
  --text-dark:#101826;
  --text-muted:#5b6578;
  --text-onnavy:#c9d4e3;
  --border:#e3e8ef;
  --radius:16px;
  --shadow:0 10px 30px rgba(7,26,53,.08);
  --shadow-lg:0 20px 50px rgba(7,26,53,.18);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  color:var(--text-dark);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Poppins',system-ui,sans-serif;margin:0 0 .5em;line-height:1.2;}
p{margin:0 0 1em;}
a{text-decoration:none;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.text-center{text-align:center;}
.eyebrow{
  font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:.8rem;
  color:var(--green);margin-bottom:10px;display:inline-block;
}
.lead{color:var(--text-muted);font-size:1.08rem;max-width:640px;}
.lead.center{margin-left:auto;margin-right:auto;}
.accent-green{color:var(--green);}
.accent-navy{color:var(--navy);}

/* ---------- Geometric background (subtle, 5-10% opacity) ---------- */
.geo-bg{position:relative;overflow:hidden;}
.geo-bg::before{
  content:"";
  position:absolute;inset:0;
  opacity:.08;
  pointer-events:none;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='800' height='800' viewBox='0 0 800 800'%3E%3Cg fill='none' stroke='%23ffffff' stroke-width='2'%3E%3Ccircle cx='100' cy='120' r='60'/%3E%3Ccircle cx='700' cy='620' r='90'/%3E%3Cpolygon points='620,90 700,230 540,230'/%3E%3Cpolygon points='60,520 160,700 -40,700'/%3E%3Cpath d='M0,400 C150,300 250,500 400,400 C550,300 650,500 800,400'/%3E%3Cpath d='M50,650 L120,580 L120,720 Z'/%3E%3Cline x1='0' y1='0' x2='800' y2='800'/%3E%3Ccircle cx='400' cy='250' r='4' fill='%23ffffff'/%3E%3Ccircle cx='250' cy='450' r='4' fill='%23ffffff'/%3E%3C/g%3E%3C/svg%3E");
  background-size:800px 800px;
  background-repeat:repeat;
}
.geo-bg.on-light::before{opacity:.05;filter:invert(20%) sepia(40%) saturate(600%) hue-rotate(180deg);}
.geo-bg > *{position:relative;z-index:1;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 28px;border-radius:10px;font-weight:700;font-size:.98rem;
  border:none;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  text-align:center;
}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 10px 25px rgba(22,163,74,.32);}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);}
.btn-navy{background:var(--navy);color:#fff;}
.btn-navy:hover{background:var(--navy-dark);transform:translateY(-2px);}
.btn-outline{background:transparent;border:2px solid rgba(255,255,255,.55);color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.12);}
.btn-outline-dark{background:transparent;border:2px solid var(--border);color:var(--text-dark);}
.btn-outline-dark:hover{background:var(--gray-bg);}
.btn-block{width:100%;}
.btn-sm{padding:10px 20px;font-size:.85rem;border-radius:999px;}
.secure-note{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-onnavy);margin-top:14px;}

/* ---------- Header ---------- */
.site-header{
  background:rgba(7,26,53,.97);
  padding:16px 0;
  position:sticky;top:0;z-index:100;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:12px;color:#fff;}
.brand-icon{
  width:42px;height:42px;border-radius:10px;
  background:linear-gradient(135deg,var(--green),var(--navy-light));
  display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0;
}
.brand-title{font-family:'Poppins',sans-serif;font-weight:700;font-size:1rem;letter-spacing:.02em;line-height:1.15;}
.brand-sub{font-size:.66rem;letter-spacing:.1em;color:var(--text-onnavy);text-transform:uppercase;}
.main-nav{display:flex;gap:26px;align-items:center;flex-wrap:wrap;}
.main-nav a{color:var(--text-onnavy);font-size:.9rem;font-weight:500;}
.main-nav a:hover, .main-nav a.active{color:#fff;}
.header-cta{display:flex;align-items:center;gap:16px;}
.header-cta .btn{white-space:nowrap;}

/* ---------- Hero (Home) ---------- */
.hero{
  background:linear-gradient(125deg,var(--navy-dark) 0%,var(--navy) 55%,var(--navy-mid) 100%);
  color:#fff;padding:76px 0 70px;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero h1{font-size:2.7rem;font-weight:800;color:#fff;letter-spacing:-.01em;max-width:560px;}
.hero p.desc{color:var(--text-onnavy);font-size:1.05rem;max-width:520px;}
.pillars-line{
  display:flex;gap:10px;align-items:center;flex-wrap:wrap;
  font-family:'Poppins',sans-serif;font-weight:700;color:var(--green);
  font-size:1.05rem;margin:18px 0 24px;
}
.pillars-line .sep{color:rgba(255,255,255,.3);}
.hero-btn-row{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px;}

.hero-photo-wrap{position:relative;}
.hero-photo{
  background:linear-gradient(160deg,var(--navy-mid),var(--navy-dark));
  border:1px solid rgba(255,255,255,.14);
  border-radius:20px;height:440px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  color:rgba(255,255,255,.5);position:relative;overflow:hidden;
}
.hero-photo .pp-icon{font-size:3.4rem;}
.hero-photo .pp-label{font-size:.85rem;font-weight:600;letter-spacing:.03em;text-align:center;padding:0 30px;}

/* ---------- Authority block ---------- */
.authority-band{background:var(--navy);color:#fff;padding:60px 0;}
.authority-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;align-items:center;}
.authority-band h2{font-size:1.9rem;color:#fff;}
.authority-band .authority-sub{color:var(--text-onnavy);font-size:.98rem;max-width:480px;}
.focus-tags{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0;}
.focus-tag{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:.82rem;font-weight:600;padding:8px 14px;border-radius:999px;
}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.stat-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:14px;padding:20px 14px;text-align:center;
}
.stat-card .stat-num{font-family:'Poppins',sans-serif;font-weight:800;font-size:1.7rem;color:var(--green);}
.stat-card .stat-label{font-size:.72rem;color:var(--text-onnavy);text-transform:uppercase;letter-spacing:.05em;margin-top:4px;}

/* ---------- Método 3C ---------- */
.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:44px;}
.method-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 26px;box-shadow:var(--shadow);text-align:left;
}
.method-card .mc-icon{
  width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:1.6rem;margin-bottom:16px;color:#fff;
}
.method-card:nth-child(1) .mc-icon{background:var(--navy);}
.method-card:nth-child(2) .mc-icon{background:var(--green);}
.method-card:nth-child(3) .mc-icon{background:var(--navy-light);}
.method-card h3{font-size:1.2rem;}
.method-card ul{margin-top:10px;}
.method-card li{
  font-size:.9rem;color:var(--text-muted);padding:5px 0 5px 20px;position:relative;
}
.method-card li::before{content:"—";position:absolute;left:0;color:var(--green);}

.quote-banner{
  text-align:center;font-family:'Poppins',sans-serif;font-size:1.4rem;font-weight:600;
  color:var(--navy);max-width:680px;margin:56px auto 0;padding:0 20px;
}

/* ---------- Trilhas cards (home) ---------- */
.trilhas-section{background:var(--gray-bg);}
.trilhas-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:44px;align-items:stretch;}
.trilha-card{
  background:#fff;border-radius:20px;padding:32px 28px;box-shadow:var(--shadow);
  border:2px solid transparent;display:flex;flex-direction:column;position:relative;
  transition:transform .2s ease, box-shadow .2s ease;
}
.trilha-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.trilha-card.featured{border-color:var(--green);}
.badge-top{
  position:absolute;top:-14px;right:24px;background:var(--green);color:#fff;
  font-size:.7rem;font-weight:700;letter-spacing:.05em;padding:6px 16px;border-radius:20px;text-transform:uppercase;
}
.trilha-card .tc-icon{
  width:52px;height:52px;border-radius:14px;background:var(--green-light);color:var(--green-dark);
  display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:16px;
}
.trilha-card .tc-tag{font-size:.78rem;color:var(--text-muted);font-weight:600;margin-bottom:10px;}
.trilha-card h3{font-size:1.4rem;}
.trilha-card p.tc-desc{color:var(--text-muted);font-size:.9rem;}
.tc-features{margin:14px 0 20px;flex-grow:1;}
.tc-features li{display:flex;align-items:flex-start;gap:10px;font-size:.88rem;color:var(--text-dark);margin-bottom:8px;}
.tc-features li::before{content:"✓";color:var(--green);font-weight:800;}

/* ---------- Product / trilha detail pages ---------- */
.page-hero{
  background:linear-gradient(125deg,var(--navy-dark) 0%,var(--navy) 60%,var(--navy-mid) 100%);
  color:#fff;padding:64px 0;
}
.breadcrumb-back{display:inline-block;margin-bottom:16px;font-size:.85rem;color:var(--text-onnavy);}
.breadcrumb-back:hover{color:#fff;}
.product-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:start;}
.product-grid h1{font-size:2.3rem;color:var(--green);margin-bottom:6px;}
.product-kicker{font-size:1.15rem;font-weight:700;color:#fff;margin-bottom:14px;}
.product-grid p.desc{color:var(--text-onnavy);max-width:500px;}
.economy-badge{
  display:inline-flex;align-items:center;gap:10px;background:rgba(22,163,74,.16);
  border:1px solid rgba(22,163,74,.4);color:#8ff0b4;font-weight:700;font-size:.9rem;
  padding:10px 18px;border-radius:999px;margin:16px 0;
}
.mini-tags{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0;}
.mini-tag{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#fff;
  font-size:.82rem;font-weight:600;padding:8px 14px;border-radius:999px;
}
.investment-box{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);
  border-radius:14px;padding:24px;margin-top:22px;max-width:460px;
}
.investment-box .label{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-onnavy);font-weight:700;margin-bottom:6px;}
.investment-box .price-line{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:16px;}
.investment-box .price-main{font-family:'Poppins',sans-serif;font-size:2.3rem;font-weight:800;color:#fff;}
.investment-box .price-main small{font-size:1rem;font-weight:500;color:var(--text-onnavy);}
.investment-box .or{font-size:.85rem;color:var(--text-onnavy);}
.investment-box .price-alt{font-weight:700;color:var(--green);}
.receive-box{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:26px;}
.receive-box h3{font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:var(--green);margin-bottom:18px;}
.receive-item{display:flex;gap:14px;align-items:flex-start;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08);}
.receive-item:last-child{border-bottom:none;}
.receive-item .ri-icon{
  width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;font-size:1.05rem;flex-shrink:0;
}
.receive-item .ri-title{font-weight:700;font-size:.9rem;color:#fff;}
.receive-item .ri-sub{font-size:.8rem;color:var(--text-onnavy);}
.trust-badges{display:flex;gap:30px;flex-wrap:wrap;margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.1);}
.trust-badge{display:flex;gap:10px;align-items:center;max-width:220px;}
.trust-badge .tb-icon{font-size:1.4rem;color:var(--green);}
.trust-badge .tb-title{font-weight:700;font-size:.85rem;color:#fff;}
.trust-badge .tb-sub{font-size:.78rem;color:var(--text-onnavy);}

/* ---------- Sobre page ---------- */
.about-grid{display:grid;grid-template-columns:.9fr 1.4fr;gap:50px;align-items:center;}
.about-photo{
  width:100%;aspect-ratio:1/1;border-radius:20px;
  background:linear-gradient(160deg,var(--navy-mid),var(--navy-dark));
  border:1px solid var(--border);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  color:rgba(255,255,255,.55);max-width:320px;margin:0 auto;
}
.about-photo .pp-icon{font-size:3rem;}
.about-photo .pp-label{font-size:.8rem;text-align:center;padding:0 20px;}
.about-quote{font-style:italic;color:var(--navy);font-size:1.1rem;border-left:3px solid var(--green);padding-left:18px;margin:20px 0;}
.timeline{margin-top:20px;border-left:2px solid var(--border);padding-left:0;}
.timeline-item{position:relative;padding:0 0 30px 26px;border-left:2px solid var(--border);margin-left:8px;}
.timeline-item:last-child{border-color:transparent;padding-bottom:0;}
.timeline-item .t-dot{
  position:absolute;left:-9px;top:2px;width:16px;height:16px;border-radius:50%;
  background:var(--green);border:3px solid #fff;box-shadow:0 0 0 2px var(--green);
}
.timeline-item .t-year{font-family:'Poppins',sans-serif;font-weight:800;color:var(--navy);font-size:1.1rem;}
.timeline-item .t-desc{color:var(--text-muted);font-size:.92rem;margin-top:2px;}
.edit-note{
  font-size:.78rem;color:var(--text-muted);background:#fff8e1;border:1px dashed #e6c766;
  padding:8px 14px;border-radius:10px;display:inline-block;margin-top:14px;
}

/* ---------- Centro de Estudos (blog) ---------- */
.category-row{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 10px;}
.category-pill{
  display:flex;align-items:center;gap:8px;background:var(--green-light);color:var(--green-dark);
  font-size:.85rem;font-weight:700;padding:9px 16px;border-radius:999px;
}
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:20px;}
.post-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);display:flex;flex-direction:column;
}
.post-card .post-cat{font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--green);margin-bottom:8px;}
.post-card h3{font-size:1.2rem;}
.post-card p{color:var(--text-muted);font-size:.9rem;flex-grow:1;}
.post-card .post-link{font-weight:700;color:var(--navy);font-size:.88rem;margin-top:10px;}
.post-card.disabled{opacity:.6;}
.post-card .soon-tag{
  display:inline-block;font-size:.7rem;font-weight:700;color:#fff;background:var(--text-muted);
  padding:4px 10px;border-radius:999px;margin-top:10px;width:fit-content;
}
.article-body{max-width:760px;margin:0 auto;}
.article-body h2{font-size:1.5rem;margin-top:1.4em;color:var(--navy);}
.article-body h3{font-size:1.2rem;margin-top:1.2em;color:var(--navy);}
.article-body p{color:var(--text-dark);font-size:1.02rem;}
.article-body ul{margin:0 0 1em 0;}
.article-body li{position:relative;padding-left:22px;margin-bottom:8px;color:var(--text-dark);}
.article-body li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:800;}
.article-meta{display:flex;gap:14px;align-items:center;color:var(--text-muted);font-size:.85rem;margin-bottom:24px;}

/* ---------- Resultados ---------- */
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px;}
.testimonial-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
}
.testimonial-photo{
  width:100%;aspect-ratio:4/3;border-radius:12px;background:var(--gray-bg);
  border:1px dashed #c7d0da;display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);font-size:.85rem;text-align:center;margin-bottom:16px;flex-direction:column;gap:8px;
}
.testimonial-photo .pp-icon{font-size:1.8rem;}
.testimonial-card .t-name{font-weight:700;font-size:.95rem;}
.testimonial-card .t-role{font-size:.8rem;color:var(--text-muted);margin-bottom:8px;}
.testimonial-card .t-quote{font-size:.9rem;color:var(--text-dark);font-style:italic;}

/* ---------- Contato ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:start;}
.contact-info-card{
  display:flex;gap:14px;align-items:flex-start;background:var(--gray-bg);
  border:1px solid var(--border);border-radius:14px;padding:20px;margin-bottom:16px;
}
.contact-info-card .ci-icon{
  width:44px;height:44px;border-radius:12px;background:var(--green-light);color:var(--green-dark);
  display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0;
}
.contact-info-card .ci-title{font-weight:700;font-size:.92rem;}
.contact-info-card .ci-sub{font-size:.85rem;color:var(--text-muted);}
.contact-form{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);}
.form-group{margin-bottom:18px;}
.form-group label{display:block;font-size:.85rem;font-weight:700;margin-bottom:6px;color:var(--text-dark);}
.form-group input,.form-group textarea{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);
  font-family:inherit;font-size:.95rem;color:var(--text-dark);background:var(--gray-bg);
}
.form-group input:focus,.form-group textarea:focus{outline:2px solid var(--green);outline-offset:1px;}
.form-note{font-size:.78rem;color:var(--text-muted);margin-top:10px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-dark);color:var(--text-onnavy);padding:50px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:36px;}
.footer-brand .brand-title{color:#fff;}
.footer-tagline{font-size:.9rem;color:var(--text-onnavy);margin-top:10px;max-width:280px;}
.footer-col h4{color:#fff;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px;}
.footer-col a{display:block;font-size:.9rem;color:var(--text-onnavy);margin-bottom:10px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:18px 0;text-align:center;
  font-size:.8rem;color:rgba(255,255,255,.4);
}

.whatsapp-float{
  position:fixed;bottom:24px;right:24px;width:58px;height:58px;border-radius:50%;
  background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:1.6rem;box-shadow:0 8px 20px rgba(0,0,0,.25);z-index:50;transition:transform .15s ease;
}
.whatsapp-float:hover{transform:scale(1.08);}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero-grid,.product-grid,.authority-grid,.about-grid,.contact-grid{grid-template-columns:1fr;}
  .method-grid,.trilhas-grid,.post-grid,.testimonial-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
}
@media (max-width:600px){
  .hero h1{font-size:2rem;}
  .main-nav{display:none;}
  .section{padding:60px 0;}
  .stat-grid{grid-template-columns:1fr 1fr 1fr;}
}