/* ==========================================================================
   WBF Sistemas — Portal de Emissão de NFS-e para Escolas
   Tokens: cor, tipografia, espaçamento
   ========================================================================== */

:root{
  /* cor */
  --navy: #1E2761;
  --navy-dark: #12173F;
  --navy-soft: #2B3676;
  --ice: #CADCFC;
  --ice-soft: #E8EFFD;
  --amber: #F2A93B;
  --amber-dark: #C97F16;
  --paper: #F5F7FC;
  --white: #FFFFFF;
  --text: #1B1F3B;
  --muted: #5B6172;
  --line: #DFE4F5;

  /* tipografia */
  --font-display: 'Fraunces', 'Cambria', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  /* layout */
  --container: 1180px;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 20px 45px -20px rgba(18, 23, 63, 0.35);
  --shadow-sm: 0 10px 25px -12px rgba(18, 23, 63, 0.25);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4{ margin: 0; font-family: var(--font-display); font-weight: 600; }
p{ margin: 0; }
button{ font-family: inherit; cursor: pointer; }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber-dark);
  font-weight: 600;
}
.eyebrow.on-dark{ color: var(--amber); }

.section-head{ max-width: 720px; margin-bottom: 44px; }
.section-head h2{
  font-size: clamp(28px, 3.4vw, 40px);
  color: var(--navy);
  margin-top: 10px;
  line-height: 1.15;
}
.section-head.on-dark h2{ color: var(--white); }
.section-head p{
  margin-top: 16px;
  font-size: 17px;
  color: var(--muted);
  line-height: 1.6;
}
.section-head.on-dark p{ color: var(--ice); }

section{ padding: 96px 0; }
@media (max-width: 720px){ section{ padding: 64px 0; } }

.bg-paper{ background: var(--paper); }
.bg-navy{ background: var(--navy); }
.bg-navy-dark{ background: var(--navy-dark); }

/* ---------------- botões ---------------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:focus-visible{ outline: 3px solid var(--amber); outline-offset: 2px; }
.btn:active{ transform: translateY(1px); }

.btn-amber{ background: var(--amber); color: var(--navy-dark); }
.btn-amber:hover{ background: #ffb84d; box-shadow: var(--shadow-sm); }

.btn-outline-ice{ background: transparent; color: var(--white); border-color: rgba(255,255,255,0.35); }
.btn-outline-ice:hover{ background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.6); }

.btn-navy{ background: var(--navy); color: var(--white); }
.btn-navy:hover{ background: var(--navy-soft); }

.btn-outline-navy{ background: transparent; color: var(--navy); border-color: var(--line); }
.btn-outline-navy:hover{ background: var(--ice-soft); }

.btn-block{ width: 100%; justify-content: center; }

/* ---------------- header ---------------- */
.site-header{
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .container{
  display: flex; align-items: center; justify-content: space-between;
  height: 78px;
}
.brand{ display: flex; align-items: center; gap: 12px; }
.brand-mark{
  width: 40px; height: 40px; border-radius: 11px;
  background: var(--navy);
  display: flex; align-items: center; justify-content: center;
  color: var(--amber); font-size: 17px;
  flex-shrink: 0;
}
.brand-name{ font-family: var(--font-display); font-weight: 600; font-size: 17px; color: var(--navy); line-height: 1.1; }
.brand-name span{ display: block; font-family: var(--font-mono); font-weight: 400; font-size: 11px; color: var(--muted); letter-spacing: 0.04em; margin-top: 2px; }

.nav-links{ display: flex; align-items: center; gap: 34px; background-color: #FFFFFF; }
.nav-links a{ font-size: 14.5px; font-weight: 500; color: var(--text); position: relative; padding: 4px 0; }
.nav-links a:hover{ color: var(--navy); }
.nav-links a::after{
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px;
  background: var(--amber); transition: right .2s ease;
}
.nav-links a:hover::after{ right: 0; }

.nav-cta{ display: flex; align-items: center; gap: 18px; }
.nav-toggle{
  display: none; background: none; border: none; padding: 8px; color: var(--navy); font-size: 22px;
}

@media (max-width: 900px){
  .site-header{
    backdrop-filter: none;
    background: #FFFFFF;
  }
  .nav-links{
    position: fixed; top: 78px; left: 0; right: 0; bottom: 0;
    z-index: 101;
    background-color: #FFFFFF;
    flex-direction: column; align-items: flex-start; gap: 0;
    padding: 10px 28px 28px; transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity .18s ease, transform .18s ease;
    border-top: 1px solid var(--line);
    box-shadow: 0 8px 40px rgba(18, 23, 63, 0.30);
  }
  .nav-links.open{ opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-links a{ width: 100%; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav-cta .btn-outline-navy{ display: none; }
  .nav-toggle{ display: block; }
}

/* ---------------- hero ---------------- */
.hero{
  background: radial-gradient(1100px 550px at 85% -10%, var(--navy-soft), var(--navy) 60%);
  position: relative;
  overflow: hidden;
  padding: 88px 0 80px;
}
.hero::before{
  content: "";
  position: absolute; right: -180px; top: -220px;
  width: 620px; height: 620px; border-radius: 50%;
  background: var(--navy-dark);
  opacity: .6;
}
.hero .container{
  position: relative;
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center;
}
@media (max-width: 980px){
  .hero .container{ grid-template-columns: 1fr; }
}

.hero-copy .eyebrow{ display:inline-flex; align-items:center; gap:8px; background: rgba(242,169,59,0.12); padding: 7px 14px; border-radius: 999px; }
.hero-copy h1{
  color: var(--white);
  font-size: clamp(34px, 4.6vw, 54px);
  line-height: 1.08;
  margin-top: 20px;
  max-width: 14ch;
}
.hero-copy h1 em{ font-style: normal; color: var(--amber); }
.hero-copy .lede{
  margin-top: 22px; font-size: 18px; color: var(--ice); max-width: 46ch; line-height: 1.6;
}
.hero-actions{ display: flex; gap: 16px; margin-top: 34px; flex-wrap: wrap; }
.hero-note{
  margin-top: 28px; display: flex; align-items: center; gap: 10px;
  font-size: 13.5px; color: rgba(255,255,255,0.6);
}
.hero-note i{ color: var(--amber); }

/* ticket de contagem regressiva — elemento de assinatura */
.ticket{
  background: var(--white);
  border-radius: 18px;
  box-shadow: var(--shadow);
  position: relative;
  padding: 30px 30px 26px;
}
.ticket::before, .ticket::after{
  content: ""; position: absolute; width: 34px; height: 34px; background: var(--navy);
  border-radius: 50%; top: 50%; transform: translateY(-50%);
}
.ticket::before{ left: -17px; }
.ticket::after{ right: -17px; }
.ticket-perf{
  border-top: 2px dashed var(--line);
  margin: 22px 0;
}
.ticket-top{ display: flex; align-items: center; justify-content: space-between; }
.ticket-top .tag{
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted);
}
.ticket-top .doc-no{
  font-family: var(--font-mono); font-size: 11px; color: var(--muted);
}
.ticket h3{
  margin-top: 14px; font-size: 15.5px; color: var(--navy); font-family: var(--font-body); font-weight: 700;
}
.ticket .date-big{
  font-family: var(--font-mono); font-weight: 700; color: var(--navy); font-size: 30px; margin-top: 4px; letter-spacing: .02em;
}
.countdown{ display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; }
.countdown .cell{ text-align: center; }
.countdown .num{
  font-family: var(--font-mono); font-weight: 700; font-size: 26px; color: var(--white);
  background: var(--navy); border-radius: 10px; padding: 10px 0;
}
.countdown .lbl{ margin-top: 6px; font-size: 10.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.ticket-foot{
  margin-top: 20px; font-size: 12.5px; color: var(--muted); line-height: 1.5;
}
.ticket-foot strong{ color: var(--navy); }

/* ---------------- cards genéricos ---------------- */
.grid{ display: grid; gap: 22px; }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
@media (max-width: 860px){
  .grid-2, .grid-3{ grid-template-columns: 1fr; }
}

.card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
}
.card.on-paper{ background: var(--white); }
.card-icon{
  width: 52px; height: 52px; border-radius: 13px;
  background: var(--navy); color: var(--amber);
  display: flex; align-items: center; justify-content: center; font-size: 20px;
  margin-bottom: 18px;
}
.card h3{ font-size: 18px; color: var(--navy); margin-bottom: 10px; }
.card p{ color: var(--muted); font-size: 14.5px; line-height: 1.6; }

.card-dark{ background: var(--navy); border-color: var(--navy); }
.card-dark h3{ color: var(--white); }
.card-dark p{ color: var(--ice); }
.card-dark .card-icon{ background: var(--amber); color: var(--navy-dark); }

.card-amber{ background: var(--amber); border-color: var(--amber); }
.card-amber h3{ color: var(--navy-dark); }
.card-amber p{ color: var(--navy-dark); }
.card-amber .card-icon{ background: var(--navy-dark); color: var(--amber); }

/* ---------------- por que importa ---------------- */
.why-grid{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
@media (max-width: 860px){ .why-grid{ grid-template-columns: 1fr; } }

/* ---------------- como funciona (trilho) ---------------- */
.flow{
  position: relative;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px;
  counter-reset: step;
}
@media (max-width: 980px){ .flow{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .flow{ grid-template-columns: 1fr; } }

.flow-step{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 20px;
  position: relative;
}
.flow-step .step-no{
  font-family: var(--font-mono); font-size: 12px; color: var(--amber-dark); font-weight: 700; letter-spacing: .06em;
}
.flow-step .step-icon{
  width: 46px; height: 46px; border-radius: 12px; background: var(--ice-soft); color: var(--navy);
  display: flex; align-items: center; justify-content: center; font-size: 18px; margin: 14px 0 16px;
}
.flow-step h4{ font-size: 15px; color: var(--navy); margin-bottom: 8px; font-family: var(--font-body); font-weight: 700; }
.flow-step p{ font-size: 13px; color: var(--muted); line-height: 1.55; }
.flow-connector{
  display: none;
}
@media (min-width: 561px){
  .flow-step:not(:last-child)::after{
    content: "";
    position: absolute; top: 50%; right: -19px; transform: translateY(-50%);
    width: 16px; height: 2px; background: var(--line);
  }
}
@media (min-width: 981px){
  .flow-step:not(:nth-child(2n))::after{ display: none; }
}

/* ---------------- telas do sistema ---------------- */
.browser-frame{
  border-radius: 14px;
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.browser-bar{
  background: #EDEFF8; padding: 11px 14px; display: flex; gap: 7px; align-items: center;
}
.browser-bar .dot{ width: 10px; height: 10px; border-radius: 50%; background: #D5D9EA; }
.browser-frame img{ display: block; width: 100%; }

.screens-showcase{ display: grid; grid-template-columns: 1.3fr 1fr; gap: 26px; align-items: start; }
@media (max-width: 900px){ .screens-showcase{ grid-template-columns: 1fr; } }
.screens-side{ display: flex; flex-direction: column; gap: 26px; }
.caption{ margin-top: 12px; font-size: 13px; color: var(--muted); font-style: italic; text-align: center; }

/* ---------------- integração ---------------- */
.split{
  display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center;
}
@media (max-width: 900px){ .split{ grid-template-columns: 1fr; } }
.check-list{ display: flex; flex-direction: column; gap: 18px; margin-top: 22px; }
.check-item{ display: flex; gap: 14px; align-items: flex-start; }
.check-item .ic{
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%; background: var(--ice-soft); color: var(--navy);
  display: flex; align-items: center; justify-content: center; font-size: 13px; margin-top: 2px;
}
.check-item p{ font-size: 15px; color: var(--text); }

/* ---------------- alerta (e-mail / certificado) ---------------- */
.alert-card{
  background: var(--amber); border-radius: var(--radius); padding: 30px;
  display: flex; gap: 20px; align-items: flex-start;
}
.alert-card .ic{
  width: 48px; height: 48px; border-radius: 50%; background: var(--white); color: var(--navy-dark);
  display: flex; align-items: center; justify-content: center; font-size: 19px; flex-shrink: 0;
}
.alert-card h4{ font-size: 17px; color: var(--navy-dark); margin-bottom: 8px; }
.alert-card p{ color: var(--navy-dark); font-size: 14.5px; line-height: 1.6; }
.alert-card p + p{ margin-top: 10px; }

/* ---------------- benefícios ---------------- */
.benefits-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 860px){ .benefits-grid{ grid-template-columns: 1fr; } }

/* ---------------- CTA final / contato ---------------- */
.cta-split{ display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
@media (max-width: 900px){ .cta-split{ grid-template-columns: 1fr; } }

.contact-form{
  background: var(--white); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm);
}
.field{ margin-bottom: 18px; }
.field label{ display: block; font-size: 13px; font-weight: 600; color: var(--navy); margin-bottom: 7px; }
.field input, .field textarea{
  width: 100%; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 12px 14px; font-family: var(--font-body); font-size: 14.5px; color: var(--text);
  background: var(--paper);
}
.field input:focus, .field textarea:focus{ outline: 2px solid var(--navy); outline-offset: 1px; background: var(--white); }
.field textarea{ resize: vertical; min-height: 100px; }
.form-note{ font-size: 12.5px; color: var(--muted); margin-top: 14px; }
.form-status{ margin-top: 14px; font-size: 14px; display: none; }
.form-status.ok{ color: #1F7A3D; display: block; }
.form-status.err{ color: #B3261E; display: block; }

.contact-alt{ display: flex; flex-direction: column; gap: 16px; margin-top: 26px; }
.contact-alt a{
  display: flex; align-items: center; gap: 14px;
  background: var(--navy-soft); border-radius: var(--radius-sm);
  padding: 16px 18px; color: var(--white); font-weight: 600; font-size: 14.5px;
  transition: background .15s ease;
}
.contact-alt a:hover{ background: #3A468C; }
.contact-alt a i{ font-size: 17px; color: var(--amber); }

/* ---------------- footer ---------------- */
.site-footer{
  background: var(--navy-dark); color: var(--ice); padding: 46px 0 26px;
}
.footer-top{
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px;
  padding-bottom: 30px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand{ display: flex; align-items: center; gap: 12px; }
.footer-brand .brand-mark{ background: var(--amber); color: var(--navy-dark); }
.footer-brand .brand-name{ color: var(--white); }
.footer-brand .brand-name span{ color: rgba(255,255,255,0.55); }
.footer-links{ display: flex; gap: 26px; flex-wrap: wrap; }
.footer-links a{ font-size: 13.5px; color: rgba(255,255,255,0.75); }
.footer-links a:hover{ color: var(--white); }
.footer-bottom{
  margin-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 12.5px; color: rgba(255,255,255,0.45);
}

/* ---------------- botão álbum de prints ---------------- */
.btn-album{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 32px;
  padding: 16px 32px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15.5px;
  border: 2px solid var(--navy);
  background: transparent;
  color: var(--navy);
  cursor: pointer;
  font-family: var(--font-body);
  transition: background .15s ease, color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.btn-album:hover{
  background: var(--navy);
  color: var(--white);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}
.btn-album:focus-visible{ outline: 3px solid var(--amber); outline-offset: 2px; }
.btn-album i{ font-size: 18px; }

/* ---------------- lightbox (álbum modal) ---------------- */
.lightbox-overlay{
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(18, 23, 63, 0.88);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.lightbox-overlay.open{
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content{
  width: 100%;
  max-width: 1200px;
  margin: 40px 20px;
  padding: 40px 32px 32px;
  background: var(--paper);
  border-radius: var(--radius);
  position: relative;
  box-shadow: 0 25px 60px rgba(0,0,0,0.4);
}

.lightbox-close{
  position: absolute;
  top: 14px;
  right: 14px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--navy);
  color: var(--white);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .15s ease, transform .15s ease;
}
.lightbox-close:hover{
  background: var(--navy-dark);
  transform: scale(1.08);
}
.lightbox-close:focus-visible{ outline: 3px solid var(--amber); outline-offset: 2px; }

.lightbox-title{
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 30px);
  color: var(--navy);
  margin-bottom: 28px;
  padding-right: 44px;
}

.lightbox-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

/* bloqueia scroll do body quando lightbox está aberto */
body.no-scroll{ overflow: hidden; }

@media (max-width: 600px){
  .lightbox-content{
    margin: 20px 12px;
    padding: 24px 16px 20px;
  }
  .lightbox-grid{
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* ---------------- utilitários ---------------- */
.reveal{ opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity: 1; transform: translateY(0); }

.skip-link{
  position: absolute; left: -999px; top: 0; background: var(--navy); color: var(--white);
  padding: 10px 16px; z-index: 200; border-radius: 0 0 8px 0;
}
.skip-link:focus{ left: 0; }