/* ============================================================
   styles/home.css
   Responsabilidade: estilos exclusivos da página inicial.
   ============================================================ */

/* ─── Hero ───────────────────────────────────────────────────── */
.hero {
  padding: var(--space-2xl) 0 var(--space-lg);
  text-align: center;
  position: relative;
  background: linear-gradient(180deg, var(--color-hero-bg) 0%, var(--color-bg) 100%);
}

.hero h1 {
  max-width: 1040px;
  margin: 0 auto var(--space-md);
  color: var(--color-text);
}

.hero-sub {
  max-width: 720px;
  margin: 0 auto var(--space-lg);
  font-size: 1rem;
  color: var(--color-muted);
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* ─── Estatísticas do hero ───────────────────────────────────── */
.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-xl);
}

.hero-stat { display: flex; flex-direction: column; align-items: center; gap: 2px; }

.hero-stat span:first-child {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--brand-primary);
}

.hero-stat span:last-child {
  font-size: 0.75rem;
  color: var(--color-muted);
}

/* ─── Uploader do hero (estilo "carregar arquivo") ──────────────── */
.hero-uploader {
  max-width: 960px;
  margin: 0 auto var(--space-xl);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--duration-med) var(--ease);
}

/* Zona pontilhada interna (padrão Files Editor) */
.hero-dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-xl) var(--space-lg);
  border: 1.5px dashed var(--brand-border-soft);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-med) var(--ease),
              background var(--duration-med) var(--ease);
}

.hero-uploader.drag-over .hero-dropzone {
  border-color: var(--brand-primary);
  background: var(--brand-soft);
}

.hero-dropzone-icon {
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.hero-dropzone-title {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

/* Botão principal — largo, protagonista */
.hero-browse-btn {
  width: 100%;
  max-width: 440px;
  padding: 14px 28px;
  font-size: 0.95rem;
}

.hero-uploader input[type="file"] { display: none; }

.hero-uploader-hint {
  font-size: 0.78rem;
  color: var(--color-muted);
  margin-top: var(--space-md);
}

/* Botões de nuvem — linha abaixo da zona pontilhada */
.hero-cloud-row {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.hero-cloud-row .cloud-btn { flex: 1; justify-content: center; }

.cloud-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  color: var(--color-text);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--duration-fast);
  cursor: pointer;
}

.cloud-btn:hover { border-color: var(--brand-primary); color: var(--brand-primary); }
.cloud-btn:disabled { opacity: .55; cursor: not-allowed; }

.hero-file-loaded {
  display: none;
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: left;
}

.hero-file-loaded.visible { display: block; }

.hero-file-loaded-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.hero-file-loaded-name { font-weight: 600; font-size: 0.875rem; color: var(--color-text); flex: 1; word-break: break-all; }
.hero-file-loaded-remove { color: var(--color-muted); font-size: 0.85rem; }

.hero-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero-quick-actions .btn { flex: 1 1 auto; min-width: 160px; }

.hero-quick-result {
  display: none;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: rgba(0,184,132,.08);
  border: 1px solid rgba(0,184,132,.3);
  border-radius: var(--radius-md);
}

.hero-quick-result.visible { display: flex; }

/* ─── Grade de ferramentas ───────────────────────────────────── */
.tools-section {
  padding: var(--space-2xl) 0;
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-header h2 { color: var(--color-text); }

.section-header p {
  max-width: 540px;
  margin: var(--space-sm) auto 0;
  font-size: 0.9rem;
}

/* ─── Filtros ────────────────────────────────────────────────── */
.tools-filter {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.filter-btn {
  padding: 7px 18px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--color-muted);
  background: var(--color-surface);
  transition: all var(--duration-fast);
  cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff;
}

/* ─── Grid de ferramentas ────────────────────────────────────── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-sm);
}

.tool-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  cursor: pointer;
  transition: border-color var(--duration-slow) var(--ease),
              box-shadow var(--duration-slow) var(--ease),
              transform var(--duration-slow) var(--ease-spring);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  text-decoration: none;
  animation: fadeUp .4s var(--ease) both;
}

.tool-card:hover {
  border-color: var(--brand-primary);
  box-shadow: 0 4px 20px rgba(var(--brand-primary-rgb),.15);
  transform: translateY(-4px);
}

.tool-card .tool-icon-wrap { transition: transform var(--duration-med) var(--ease-spring); }
.tool-card:hover .tool-icon-wrap { transform: translateY(-3px) scale(1.06); }

.tool-icon-wrap {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-xs);
  flex-shrink: 0;
}

.tool-icon-wrap svg { width: 100%; height: 100%; display: block; }

.tool-card h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}

.tool-card p {
  font-size: 0.78rem;
  color: var(--color-muted);
  line-height: 1.5;
  flex: 1;
}

.tool-arrow {
  display: flex;
  align-items: center;
  color: var(--color-muted);
  margin-top: auto;
  font-size: 0.78rem;
  gap: 4px;
  transition: color var(--duration-fast), gap var(--duration-fast);
}

.tool-card:hover .tool-arrow { color: var(--brand-primary); gap: 8px; }

/* ─── Seção "Como funciona" ──────────────────────────────────── */
.how-section {
  padding: var(--space-3xl) 0;
  background: var(--color-bg);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: calc(16.6% + 24px);
  right: calc(16.6% + 24px);
  height: 1.5px;
  background: var(--color-border);
  pointer-events: none;
}

.step {
  text-align: center;
  padding: 0 var(--space-md);
  position: relative;
}

.step-num {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--brand-primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--color-bg);
}

.step h3 { margin-bottom: var(--space-sm); color: var(--color-text); }

/* ─── Recursos / Por que usar ────────────────────────────────── */
.features-section { padding: var(--space-3xl) 0; background: var(--color-bg); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.feature-card {
  padding: var(--space-lg);
  text-align: center;
}

.feature-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto var(--space-md);
}

.feature-card h3 { font-size: 0.95rem; color: var(--color-text); margin-bottom: var(--space-xs); }
.feature-card p  { font-size: 0.82rem; color: var(--color-muted); line-height: 1.5; }

/* ─── FAQ (accordion) ────────────────────────────────────────── */
.faq-section {
  padding: var(--space-3xl) 0;
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.faq-list { max-width: 1000px; margin: var(--space-2xl) auto 0; display: flex; flex-direction: column; gap: var(--space-sm); }

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
}

.faq-question .faq-icon {
  flex-shrink: 0;
  transition: transform var(--duration-med) var(--ease);
  color: var(--color-muted);
}

.faq-item.open .faq-question .faq-icon { transform: rotate(45deg); color: var(--brand-primary); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-med) var(--ease);
}

.faq-answer p {
  padding: 0 var(--space-lg) var(--space-lg);
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.7;
}

/* ─── Ajuda ──────────────────────────────────────────────────── */
.help-section { padding: var(--space-3xl) 0; background: var(--color-bg); }

.help-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.help-card {
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--duration-med) var(--ease);
}

.help-card:hover { border-color: var(--brand-primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.help-card .feature-icon { margin: 0 0 var(--space-md); }
.help-card h3 { font-size: 0.9rem; color: var(--color-text); margin-bottom: var(--space-xs); }
.help-card p  { font-size: 0.8rem; color: var(--color-muted); line-height: 1.5; }

/* ─── Segurança e Conformidade ───────────────────────────────── */
.security-section {
  padding: var(--space-3xl) 0;
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-border);
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.security-card {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.security-card .feature-icon { margin: 0; flex-shrink: 0; }
.security-card h3 { font-size: 0.875rem; color: var(--color-text); margin-bottom: 4px; }
.security-card p  { font-size: 0.8rem; color: var(--color-muted); line-height: 1.5; }

/* ─── Banner de Anúncio ──────────────────────────────────────── */
.ad-banner-section {
  padding: var(--space-lg) 0;
}

.ad-banner-label {
  font-size: 0.7rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  text-align: center;
  margin-bottom: var(--space-xs);
}

/* ─── CTA Premium ────────────────────────────────────────────── */
.cta-section {
  padding: var(--space-3xl) 0;
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-border);
}

.cta-box {
  background: linear-gradient(180deg, var(--banner-gradient-1) 0%, var(--banner-gradient-2) 33%, var(--banner-gradient-3) 66%, var(--banner-gradient-4) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-xl);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 320px; height: 320px;
  background: rgba(255,255,255,.07);
  border-radius: 50%;
  pointer-events: none;
}

.cta-box::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -60px;
  width: 240px; height: 240px;
  background: rgba(255,255,255,.05);
  border-radius: 50%;
  pointer-events: none;
}

.cta-box h2 { color: #fff; margin-bottom: var(--space-sm); }
.cta-box > p { color: rgba(255,255,255,.8); margin-bottom: var(--space-xl); font-size: 1rem; }

.cta-benefits {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.cta-benefit {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: rgba(255,255,255,.9);
}

.cta-benefit::before {
  content: '✓';
  width: 20px; height: 20px;
  background: rgba(255,255,255,.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
}

/* ─── Footer ─────────────────────────────────────────────────── */
.site-footer {
  background: #101B41;
  color: rgba(255,255,255,.5);
  padding: var(--space-2xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-border);
}

[data-theme="dark"] .site-footer {
  background: #080D1C;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand .logo { color: rgba(255,255,255,.8); margin-bottom: var(--space-sm); }
.footer-brand .logo span { color: #7DBBFB; }
.footer-brand p { font-size: 0.8rem; color: rgba(255,255,255,.4); max-width: 240px; }

.footer-col h4 {
  color: rgba(255,255,255,.7);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: var(--space-md);
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-col a  { font-size: 0.825rem; transition: color var(--duration-fast); }
.footer-col a:hover { color: rgba(255,255,255,.8); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* ─── Responsivo ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .steps::before { display: none; }
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats  { gap: var(--space-lg); }
  .tools-grid  { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .tools-grid  { grid-template-columns: 1fr 1fr; }
  .hero-cloud-row { flex-direction: column; }
}