/* =============================================================
   WBF Sistemas — Pré-lançamento App Mobile Sistema Escola
   Paleta: navy #1E2761 · amber #F2A93B · ice #CADCFC · white
   ============================================================= */

:root{
  --navy: #1E2761;
  --navy-dark: #141b47;
  --navy-soft: #2a3577;
  --amber: #F2A93B;
  --amber-dark: #d68f24;
  --ice: #CADCFC;
  --ice-soft: #EEF3FE;
  --white: #ffffff;
  --ink: #171a2e;
  --gray: #5b6178;
  --gray-light: #8b90a6;
  --border: #e2e6f4;
  --success: #2f9e6b;

  --font-display: 'Sora', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 28px;

  --shadow-sm: 0 2px 10px rgba(30, 39, 97, .07);
  --shadow-md: 0 12px 32px rgba(30, 39, 97, .12);
  --shadow-lg: 0 24px 60px rgba(30, 39, 97, .18);

  --container: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
html.nav-open, body.nav-open{
  overflow:hidden;
  height:100%;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }
h1,h2,h3,h4{ font-family:var(--font-display); color:var(--navy); margin:0; letter-spacing:-.01em; }
p{ margin:0; }

:focus-visible{ outline:3px solid var(--amber); outline-offset:2px; }

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-display);
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--navy-soft);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--amber);
  display:inline-block;
}
section{ padding:96px 0; }
@media (max-width:780px){ section{ padding:64px 0; } }

.section-head{ max-width:640px; margin-bottom:56px; }
.section-head h2{ font-size:2.1rem; line-height:1.18; margin-bottom:14px; }
.section-head p{ color:var(--gray); font-size:1.05rem; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:15px 28px;
  border-radius:999px;
  font-family:var(--font-display);
  font-weight:600;
  font-size:.96rem;
  border:2px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--amber);
  color:var(--navy-dark);
  box-shadow:0 10px 24px rgba(242,169,59,.35);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 14px 30px rgba(242,169,59,.45); }
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.35);
  color:var(--white);
}
.btn-ghost:hover{ border-color:var(--white); background:rgba(255,255,255,.08); }
.btn-outline-navy{
  background:transparent;
  border-color:var(--navy);
  color:var(--navy);
}
.btn-outline-navy:hover{ background:var(--navy); color:var(--white); }
.btn-block{ width:100%; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  min-height:76px;
}
.logo{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-weight:700; color:var(--navy); font-size:1.05rem; }
.logo-badge{
  width:38px; height:38px; border-radius:11px;
  background:linear-gradient(155deg, var(--navy), var(--navy-soft));
  display:flex; align-items:center; justify-content:center;
  color:var(--amber); font-weight:800; font-size:.85rem;
  box-shadow:var(--shadow-sm);
}
.logo small{ display:block; font-family:var(--font-body); font-weight:500; color:var(--gray); font-size:.72rem; }

.main-nav{ display:flex; align-items:center; gap:30px; }
.main-nav a{
  font-size:.92rem; font-weight:600; color:var(--navy-soft);
  padding:6px 2px; border-bottom:2px solid transparent; transition:border-color .15s;
}
.main-nav a:hover{ border-color:var(--amber); }
.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-toggle{
  display:none; background:none; border:none; padding:8px;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width:22px; height:2px; background:var(--navy); position:relative; transition:.2s;
}
.nav-toggle span::before{ position:absolute; top:-7px; }
.nav-toggle span::after{ position:absolute; top:7px; }

@media (max-width:960px){
  .main-nav{
    position:fixed; top:76px; right:0; left:0; bottom:0;
    height:calc(100vh - 76px);
    height:calc(100dvh - 76px);
    background:var(--white);
    flex-direction:column; align-items:flex-start;
    padding:24px 24px calc(24px + env(safe-area-inset-bottom, 0px));
    gap:16px; transform:translateX(100%); transition:transform .25s ease;
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }
  .main-nav.open{ transform:translateX(0); }
  .nav-toggle{ display:block; }
  .nav-cta .btn-primary{ display:none; }
  .main-nav a{ font-size:1.05rem; width:100%; }
}

/* Telas com pouca altura (celulares em landscape, notch etc.):
   compacta o menu para caber sem precisar rolar */
@media (max-width:960px) and (max-height:640px){
  .main-nav{ padding-top:16px; gap:10px; }
  .main-nav a{ font-size:.98rem; padding:4px 2px; }
}

/* ---------- Hero ---------- */
.hero{
  background:radial-gradient(120% 100% at 15% 0%, var(--navy-soft) 0%, var(--navy) 46%, var(--navy-dark) 100%);
  color:var(--white);
  padding:64px 0 90px;
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute; right:-120px; top:-160px;
  width:520px; height:520px; border-radius:50%;
  background:radial-gradient(circle, rgba(242,169,59,.28), transparent 70%);
}
.hero .container{
  display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center;
  position:relative; z-index:2;
}
.hero-pill{
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.18);
  padding:7px 16px; border-radius:999px; font-size:.82rem; font-weight:600;
  margin-bottom:22px; color:var(--ice);
}
.hero-pill .dot{ width:7px; height:7px; border-radius:50%; background:var(--amber); box-shadow:0 0 0 4px rgba(242,169,59,.25); }
.hero h1{
  color:var(--white); font-size:clamp(2.1rem, 4vw, 3.05rem); line-height:1.14; font-weight:700;
  margin-bottom:22px;
}
.hero h1 em{ color:var(--amber); font-style:normal; }
.hero-lead{ color:rgba(255,255,255,.82); font-size:1.1rem; max-width:520px; margin-bottom:32px; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:44px; }
.hero-stats{ display:flex; gap:36px; flex-wrap:wrap; }
.hero-stats .stat b{ display:block; font-family:var(--font-display); font-size:1.7rem; color:var(--amber); }
.hero-stats .stat span{ font-size:.85rem; color:rgba(255,255,255,.72); }

/* phone mockup */
.hero-visual{ position:relative; display:flex; justify-content:center; }
.phone{
  width:250px; aspect-ratio:9/19.3;
  background:#0b0e22;
  border-radius:38px;
  padding:12px;
  box-shadow:var(--shadow-lg), 0 0 0 1px rgba(255,255,255,.06);
  position:relative;
  z-index:2;
}
.phone::before{
  content:""; position:absolute; top:12px; left:50%; transform:translateX(-50%);
  width:74px; height:20px; background:#0b0e22; border-radius:0 0 14px 14px; z-index:3;
}
.phone-screen{
  width:100%; height:100%; border-radius:26px; overflow:hidden; position:relative; background:var(--ice-soft);
}
.phone-screen img{
  width:100%; height:100%; object-fit:cover; position:absolute; inset:0;
  opacity:0; transition:opacity .7s ease;
}
.phone-screen img.is-active{ opacity:1; }
.floating-card{
  position:absolute; background:var(--white); color:var(--ink);
  border-radius:var(--radius-sm); padding:12px 16px; box-shadow:var(--shadow-md);
  font-size:.82rem; font-weight:600; display:flex; align-items:center; gap:10px;
  z-index:3;
}
.floating-card .ico{
  width:30px; height:30px; border-radius:9px; display:flex; align-items:center; justify-content:center;
  background:var(--ice); color:var(--navy); font-size:1rem;
}
.floating-card.fc-1{ top:6%; left:-8%; }
.floating-card.fc-2{ bottom:14%; right:-14%; }
@media (max-width:500px){
  .floating-card{ display:none; }
}

@media (max-width:960px){
  .hero .container{ grid-template-columns:1fr; text-align:center; }
  .hero-lead{ margin-left:auto; margin-right:auto; }
  .hero-actions, .hero-stats{ justify-content:center; }
  .hero-visual{ margin-top:20px; }
}

/* ---------- Problem cards ---------- */
.problem-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.problem-card{
  background:var(--ice-soft); border:1px solid var(--border); border-radius:var(--radius-md);
  padding:30px 26px;
}
.problem-card .num{ font-family:var(--font-display); font-weight:700; color:var(--amber-dark); font-size:.85rem; margin-bottom:14px; display:block; }
.problem-card h3{ font-size:1.12rem; margin-bottom:10px; }
.problem-card p{ color:var(--gray); font-size:.95rem; }
@media (max-width:900px){ .problem-grid{ grid-template-columns:1fr; } }

/* ---------- Features ---------- */
.features-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.feature-card{
  border:1px solid var(--border); border-radius:var(--radius-md); padding:28px 24px;
  transition:box-shadow .2s ease, transform .2s ease; background:var(--white);
}
.feature-card:hover{ box-shadow:var(--shadow-md); transform:translateY(-3px); }
.feature-card .fnum{
  font-family:var(--font-display); font-weight:700; font-size:.82rem; color:var(--white);
  background:var(--navy); width:34px; height:34px; border-radius:10px;
  display:flex; align-items:center; justify-content:center; margin-bottom:18px;
}
.feature-card h3{ font-size:1.08rem; margin-bottom:8px; }
.feature-card p{ color:var(--gray); font-size:.93rem; }
@media (max-width:900px){ .features-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:600px){ .features-grid{ grid-template-columns:1fr; } }

/* ---------- Steps ---------- */
.steps{ position:relative; }
.steps-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.step{ position:relative; padding:28px 20px 20px; border-radius:var(--radius-md); background:var(--ice-soft); border:1px solid var(--border); }
.step .snum{
  width:38px; height:38px; border-radius:50%; background:var(--amber); color:var(--navy-dark);
  font-family:var(--font-display); font-weight:700; display:flex; align-items:center; justify-content:center;
  margin-bottom:16px; font-size:.95rem;
}
.step h4{ font-size:1rem; margin-bottom:8px; }
.step p{ font-size:.88rem; color:var(--gray); }
@media (max-width:900px){ .steps-row{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .steps-row{ grid-template-columns:1fr; } }

/* ---------- Showcase (Na prática) ---------- */
.showcase-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.showcase-item{ text-align:center; }
.showcase-frame{
  border-radius:22px; overflow:hidden; box-shadow:var(--shadow-md); border:6px solid var(--navy-dark);
  aspect-ratio:9/19.3; margin-bottom:16px; background:var(--navy-dark);
}
.showcase-frame img{ width:100%; height:100%; object-fit:cover; }
.showcase-item h4{ font-size:.98rem; margin-bottom:4px; color:var(--navy); }
.showcase-item p{ font-size:.85rem; color:var(--gray); }
@media (max-width:900px){ .showcase-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .showcase-grid{ grid-template-columns:1fr; max-width:280px; margin:0 auto; } }

/* ---------- Demo videos ---------- */
.demo-section{ background:var(--navy); color:var(--white); border-radius:var(--radius-lg); margin:0 24px; padding:64px 40px; }
.demo-section .section-head h2, .demo-section .section-head p{ color:var(--white); }
.demo-section .section-head p{ color:rgba(255,255,255,.75); }
.demo-tabs{ display:flex; gap:10px; margin-bottom:36px; }
.demo-tab{
  padding:10px 22px; border-radius:999px; border:1px solid rgba(255,255,255,.25);
  background:transparent; color:var(--white); font-weight:600; font-family:var(--font-display); font-size:.9rem;
}
.demo-tab.is-active{ background:var(--amber); color:var(--navy-dark); border-color:var(--amber); }
.demo-panels{ display:flex; justify-content:center; }
.demo-panel{ display:none; }
.demo-panel.is-active{ display:flex; flex-direction:column; align-items:center; gap:18px; }
.demo-phone{
  width:230px; border-radius:34px; overflow:hidden; border:8px solid #0b0e22; box-shadow:var(--shadow-lg);
}
.demo-phone video{ width:100%; display:block; }
.demo-caption{ font-size:.9rem; color:rgba(255,255,255,.7); text-align:center; max-width:420px; }

/* ---------- Differentiators ---------- */
.diff-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.diff-card{ padding:30px 26px; border-radius:var(--radius-md); border:1px solid var(--border); }
.diff-card .ico{
  width:46px; height:46px; border-radius:13px; background:var(--ice); color:var(--navy);
  display:flex; align-items:center; justify-content:center; margin-bottom:18px; font-size:1.3rem;
}
.diff-card h3{ font-size:1.05rem; margin-bottom:8px; }
.diff-card p{ font-size:.92rem; color:var(--gray); }
@media (max-width:900px){ .diff-grid{ grid-template-columns:1fr; } }

/* ---------- Album ---------- */
.album-section{ background:var(--ice-soft); }
.album-toggles{ display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-bottom:10px; }
@media (max-width:760px){ .album-toggles{ grid-template-columns:1fr; } }
.album-toggle-card{
  background:var(--white); border:1px solid var(--border); border-radius:var(--radius-md);
  padding:26px; display:flex; align-items:center; justify-content:space-between; gap:16px;
  box-shadow:var(--shadow-sm);
}
.album-toggle-card .info{ display:flex; align-items:center; gap:16px; }
.album-toggle-card .platform-ico{
  width:52px; height:52px; border-radius:14px; background:var(--navy); color:var(--amber);
  display:flex; align-items:center; justify-content:center; font-size:1.5rem; font-family:var(--font-display); font-weight:700;
  flex-shrink:0;
}
.album-toggle-card h3{ font-size:1.05rem; margin-bottom:4px; }
.album-toggle-card p{ font-size:.85rem; color:var(--gray); }
.album-toggle-btn{
  border:2px solid var(--navy); color:var(--navy); background:transparent; border-radius:999px;
  padding:10px 20px; font-weight:600; font-family:var(--font-display); font-size:.85rem;
  white-space:nowrap; transition:.15s;
}
.album-toggle-btn:hover{ background:var(--navy); color:var(--white); }
.album-toggle-btn.is-open{ background:var(--navy); color:var(--white); }

.album-panel{
  display:none; grid-template-columns:repeat(5,1fr); gap:16px; margin-top:28px;
}
.album-panel.is-open{ display:grid; }
@media (max-width:900px){ .album-panel{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:560px){ .album-panel{ grid-template-columns:repeat(2,1fr); } }
.album-thumb{
  border:none; padding:0; background:none; border-radius:16px; overflow:hidden; box-shadow:var(--shadow-sm);
  position:relative; aspect-ratio:9/19.3; cursor:zoom-in;
}
.album-thumb img{ width:100%; height:100%; object-fit:cover; transition:transform .3s ease; }
.album-thumb:hover img{ transform:scale(1.06); }
.album-thumb .cap{
  position:absolute; left:0; right:0; bottom:0; padding:8px 10px 7px;
  background:linear-gradient(0deg, rgba(10,14,40,.85), transparent);
  color:var(--white); font-size:.7rem; font-weight:600; text-align:left; line-height:1.25;
}

/* ---------- Lightbox ---------- */
.lightbox{
  position:fixed; inset:0; background:rgba(10,13,34,.92); z-index:1000;
  display:none; align-items:center; justify-content:center; padding:40px;
}
.lightbox.is-open{ display:flex; }
.lightbox img{ max-height:86vh; max-width:min(420px,86vw); border-radius:20px; box-shadow:var(--shadow-lg); }
.lightbox-close, .lightbox-nav{
  position:absolute; background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.3);
  color:var(--white); border-radius:50%; width:46px; height:46px; display:flex; align-items:center; justify-content:center;
  font-size:1.2rem;
}
.lightbox-close{ top:24px; right:24px; }
.lightbox-nav.prev{ left:24px; top:50%; transform:translateY(-50%); }
.lightbox-nav.next{ right:24px; top:50%; transform:translateY(-50%); }
.lightbox-cap{ position:absolute; bottom:28px; left:0; right:0; text-align:center; color:rgba(255,255,255,.8); font-size:.9rem; }
@media (max-width:640px){
  .lightbox-nav{ width:38px; height:38px; }
  .lightbox{ padding:20px; }
}

/* ---------- Summary / benefits ---------- */
.summary-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.summary-item{ display:flex; gap:14px; align-items:flex-start; }
.summary-item .check{
  width:28px; height:28px; border-radius:50%; background:var(--success); color:var(--white);
  display:flex; align-items:center; justify-content:center; flex-shrink:0; font-size:.85rem; font-weight:700;
}
.summary-item h4{ font-size:1rem; margin-bottom:5px; }
.summary-item p{ font-size:.88rem; color:var(--gray); }
@media (max-width:900px){ .summary-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .summary-grid{ grid-template-columns:1fr; } }

/* ---------- Contact ---------- */
.contact-wrap{
  display:grid; grid-template-columns:.9fr 1.1fr; gap:50px;
  background:var(--navy); color:var(--white); border-radius:var(--radius-lg);
  padding:56px; margin:0 24px;
}
@media (max-width:900px){ .contact-wrap{ grid-template-columns:1fr; padding:36px 24px; } }
.contact-info .eyebrow{ color:var(--ice); }
.contact-info .eyebrow::before{ background:var(--amber); }
.contact-info h2{ color:var(--white); font-size:1.9rem; margin-bottom:16px; }
.contact-info p{ color:rgba(255,255,255,.78); margin-bottom:28px; }
.contact-detail{ display:flex; gap:12px; margin-bottom:16px; font-size:.92rem; }
.contact-detail b{ color:var(--amber); font-family:var(--font-display); display:block; font-size:.78rem; letter-spacing:.03em; text-transform:uppercase; margin-bottom:2px; }

.form-card{ background:var(--white); border-radius:var(--radius-md); padding:32px; color:var(--ink); }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:520px){ .form-row{ grid-template-columns:1fr; } }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:.82rem; font-weight:600; color:var(--navy-soft); margin-bottom:6px; }
.field input, .field select, .field textarea{
  width:100%; border:1px solid var(--border); border-radius:var(--radius-sm); padding:12px 14px;
  font-family:var(--font-body); font-size:.94rem; color:var(--ink); background:var(--ice-soft);
  transition:border-color .15s, background .15s;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--amber); background:var(--white);
}
.field.honeypot{ position:absolute; left:-9999px; opacity:0; }
.radio-group{ display:flex; gap:10px; flex-wrap:wrap; }
.radio-chip{ position:relative; }
.radio-chip input{ position:absolute; opacity:0; inset:0; width:100%; height:100%; cursor:pointer; }
.radio-chip span{
  display:inline-flex; padding:9px 16px; border-radius:999px; border:1px solid var(--border);
  font-size:.85rem; font-weight:600; color:var(--navy-soft); background:var(--ice-soft);
}
.radio-chip input:checked + span{ background:var(--amber); border-color:var(--amber); color:var(--navy-dark); }
.form-note{ font-size:.78rem; color:var(--gray-light); margin-top:14px; text-align:center; }
.form-success, .form-error{
  display:none; padding:16px; border-radius:var(--radius-sm); font-size:.9rem; font-weight:600; margin-bottom:18px;
}
.form-success{ background:#e5f6ee; color:var(--success); }
.form-error{ background:#fdeceb; color:#c0392b; }
.form-success.is-visible, .form-error.is-visible{ display:block; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--navy-dark); color:rgba(255,255,255,.7); padding:48px 0 26px; margin-top:80px; }
.footer-top{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px; margin-bottom:30px; }
.footer-nav{ display:flex; gap:24px; flex-wrap:wrap; }
.footer-nav a{ font-size:.88rem; color:rgba(255,255,255,.65); }
.footer-nav a:hover{ color:var(--amber); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1); padding-top:22px; font-size:.78rem;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; color:rgba(255,255,255,.45);
}

/* ---------- Reveal animation ---------- */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; transition:none; }
  .phone-screen img{ transition:none; }
}