/* VotaCerto - CSS Principal (Landing Page) */

:root {
  --primary: #1A4FA0;
  --primary-dark: #0d3a7d;
  --primary-light: #4a7fc1;
  --secondary: #06b6d4;
  --accent: #f59e0b;
  --success: #27AE60;
  --danger: #ef4444;
  --dark: #0f172a;
  --gray-800: #1e293b;
  --gray-700: #334155;
  --gray-600: #475569;
  --gray-400: #94a3b8;
  --gray-200: #e2e8f0;
  --gray-100: #f1f5f9;
  --white: #ffffff;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(26,79,160,0.12);
  --shadow-lg: 0 8px 48px rgba(26,79,160,0.18);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.6;
}

/* ============================================================ */
/* SKIP LINK (acessibilidade — visível apenas ao receber foco) */
/* ============================================================ */
.skip-link {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: 10000;
  text-decoration: none;
}
.skip-link:focus {
  position: fixed;
  top: 0;
  left: 0;
  width: auto;
  height: auto;
  overflow: visible;
  background: var(--primary);
  color: #fff;
  padding: .5rem 1.1rem;
  border-radius: 0 0 8px 0;
  font-size: .85rem;
  font-weight: 600;
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================================ */
/* NAVBAR */
/* ============================================================ */
.navbar-main {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  padding: .75rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow .3s;
}
.navbar-main.scrolled { box-shadow: var(--shadow); }

.navbar-brand-logo {
  font-size: 1.5rem; font-weight: 800;
  color: var(--primary); letter-spacing: -.5px;
  text-decoration: none;
}
.navbar-brand-logo i { margin-right: 6px; }

.navbar-main .nav-link {
  color: var(--gray-700); font-weight: 500;
  padding: .4rem .8rem; border-radius: 8px;
  transition: all .2s; font-size: .9rem;
}
.navbar-main .nav-link:hover { color: var(--primary); background: var(--gray-100); }
.navbar-main .nav-link.active,
.navbar-main .nav-link[aria-current="page"] {
  color: var(--primary) !important;
  background: #eef2fb;
  font-weight: 700;
}
.navbar-main .nav-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Hambúrguer */
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(26,79,160,.25); }

/* CTAs no nav */
.nav-ctas .btn { font-size: .88rem; }
.nav-ctas .btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* Menu mobile expandido */
@media (max-width: 991.98px) {
  .navbar-collapse { border-top: 1px solid var(--gray-200); margin-top: .5rem; padding-top: .75rem; }
  .navbar-nav       { gap: .1rem !important; }
  .navbar-main .nav-link { padding: .55rem .85rem; }
  .nav-ctas         { flex-direction: column; align-items: stretch; padding: .75rem 0 .25rem; gap: .5rem !important; }
  .nav-ctas .btn    { text-align: center; padding: .55rem 1rem; }
}

/* ============================================================ */
/* HERO */
/* ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 50%, #1a1a5e 100%);
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(79,70,229,0.3); border: 1px solid rgba(129,140,248,0.4);
  color: var(--primary-light); padding: 6px 14px; border-radius: 50px;
  font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}
.hero h1 span { color: var(--primary-light); }
.hero p { font-size: 1.15rem; color: rgba(255,255,255,0.75); max-width: 560px; margin-bottom: 2rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Cards flutuantes do hero */
.hero-visual { position: relative; }
.hero-card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  color: white;
}
.hero-float-badge {
  position: absolute;
  background: white;
  border-radius: var(--radius);
  padding: 0.75rem 1.2rem;
  box-shadow: var(--shadow-lg);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.hero-float-badge.f1 { top: -20px; right: -10px; color: var(--success); }
.hero-float-badge.f2 { bottom: 30px; left: -20px; color: var(--primary); }

/* ============================================================ */
/* BOTÕES */
/* ============================================================ */
.btn-primary-main {
  background: var(--primary);
  color: white;
  border: none;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
  box-shadow: 0 4px 20px rgba(79,70,229,0.35);
}
.btn-primary-main:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(79,70,229,0.45); color: white; }

.btn-outline-main {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.4);
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-outline-main:hover { border-color: white; background: rgba(255,255,255,0.1); color: white; }

/* ============================================================ */
/* SEÇÕES */
/* ============================================================ */
section { padding: 6rem 0; }
.section-tag {
  display: inline-block;
  background: rgba(79,70,229,0.1);
  color: var(--primary);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}
.section-title { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 800; color: var(--dark); letter-spacing: -0.5px; }
.section-subtitle { font-size: 1.1rem; color: var(--gray-600); max-width: 560px; }

/* ============================================================ */
/* FEATURES */
/* ============================================================ */
.features-bg { background: var(--gray-100); }
.feature-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2rem;
  height: 100%;
  border: 1px solid var(--gray-200);
  transition: all 0.3s;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.feature-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; color: white;
  margin-bottom: 1.25rem;
}
.feature-card h5 { font-weight: 700; color: var(--dark); margin-bottom: 0.5rem; }
.feature-card p { color: var(--gray-600); font-size: 0.95rem; }

/* ============================================================ */
/* FLUXO DE VOTAÇÃO */
/* ============================================================ */
.flow-step {
  display: flex; align-items: flex-start; gap: 1.25rem;
  padding: 1.5rem;
  background: white;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  transition: all 0.3s;
}
.flow-step:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.flow-number {
  width: 44px; height: 44px; min-width: 44px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem;
}
.flow-step h6 { font-weight: 700; color: var(--dark); margin-bottom: 0.25rem; }
.flow-step p { color: var(--gray-600); font-size: 0.9rem; margin: 0; }

/* ============================================================ */
/* PLANOS (landing) */
/* ============================================================ */
.pricing-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 2px solid var(--gray-200);
  height: 100%;
  position: relative;
  transition: all 0.3s;
}
.pricing-card.destaque {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}
.pricing-badge {
  position: absolute;
  top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 4px 20px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.pricing-name { font-size: 1.1rem; font-weight: 700; color: var(--dark); margin-bottom: 0.25rem; }
.pricing-price { font-size: 2.8rem; font-weight: 900; color: var(--dark); line-height: 1; }
.pricing-price span { font-size: 1rem; font-weight: 500; color: var(--gray-600); }
.pricing-voters { color: var(--primary); font-weight: 600; font-size: 0.95rem; margin: 0.5rem 0 1.5rem; }
.pricing-features { list-style: none; padding: 0; margin-bottom: 2rem; }
.pricing-features li { padding: 0.4rem 0; color: var(--gray-700); font-size: 0.95rem; display: flex; align-items: center; gap: 8px; }
.pricing-features li i { color: var(--success); font-size: 1rem; }
.pricing-features li.off { color: var(--gray-400); }
.pricing-features li.off i { color: var(--gray-300); }

/* ============================================================ */
/* STATS */
/* ============================================================ */
.stats-section { background: linear-gradient(135deg, var(--primary-dark) 0%, var(--dark) 100%); }
.stat-item { text-align: center; }
.stat-number { font-size: 2.8rem; font-weight: 900; color: white; line-height: 1; }
.stat-label { color: rgba(255,255,255,0.7); font-size: 0.95rem; margin-top: 0.25rem; }

/* ============================================================ */
/* FOOTER */
/* ============================================================ */
.footer-main { background: var(--dark); color: rgba(255,255,255,0.7); padding: 4rem 0 2rem; }
.footer-brand { font-size: 1.5rem; font-weight: 800; color: white; margin-bottom: 0.75rem; }
.footer-main h6 { color: white; font-weight: 700; margin-bottom: 1rem; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 0.5px; }
.footer-main ul { list-style: none; padding: 0; }
.footer-main ul li { margin-bottom: 0.5rem; }
.footer-main a { color: rgba(255,255,255,0.6); text-decoration: none; transition: color 0.2s; font-size: 0.9rem; }
.footer-main a:hover { color: white; }
.footer-divider { border-color: rgba(255,255,255,0.1); margin: 2rem 0 1.5rem; }
.footer-copy { font-size: 0.85rem; color: rgba(255,255,255,0.4); }

/* ============================================================ */
/* RESPONSIVO */
/* ============================================================ */
@media (max-width: 768px) {
  .hero { min-height: auto; padding: 5rem 0 4rem; }
  .hero-visual { margin-top: 3rem; }
  .pricing-card.destaque { transform: none; }
}