/* ================================================================
   SigoPlus — Design System & Styles
   Portal de Aplicações Facopi | sigoplus.facopi.com.br
   ================================================================ */

/* ── Google Fonts ─────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── CSS Variables (Design Tokens) ───────────────────────────── */
:root {
  /* Colors */
  --color-bg:           #F4F6FA;
  --color-bg-alt:       #ECEEF4;
  --color-surface:      #FFFFFF;
  --color-border:       #E2E6EF;
  --color-border-hover: #C7CDD9;

  --color-text-primary:   #111827;
  --color-text-secondary: #6B7280;
  --color-text-muted:     #9CA3AF;

  --color-accent:         #3B5BDB;
  --color-accent-hover:   #2F4AC0;
  --color-accent-light:   #EEF2FF;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg:  0 12px 32px rgba(0,0,0,.10), 0 4px 8px rgba(0,0,0,.05);
  --shadow-xl:  0 20px 48px rgba(0,0,0,.12), 0 8px 16px rgba(0,0,0,.06);

  /* Radius */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  18px;
  --radius-xl:  24px;

  /* Spacing */
  --space-xs:   4px;
  --space-sm:   8px;
  --space-md:   16px;
  --space-lg:   24px;
  --space-xl:   32px;
  --space-2xl:  48px;
  --space-3xl:  64px;

  /* Typography */
  --font-body:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs:   0.75rem;
  --font-size-sm:   0.875rem;
  --font-size-base: 1rem;
  --font-size-lg:   1.125rem;
  --font-size-xl:   1.25rem;
  --font-size-2xl:  1.5rem;
  --font-size-3xl:  2rem;
  --font-size-4xl:  2.5rem;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-smooth: 350ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── Reset & Base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

/* ── Layout Wrapper ───────────────────────────────────────────── */
.wrapper {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* ── Header ───────────────────────────────────────────────────── */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.site-header .wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: var(--space-lg);
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-accent), #7C3AED);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-logo svg { width: 20px; height: 20px; color: #fff; }

.brand-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.4px;
}

.brand-name span {
  color: var(--color-accent);
}

/* Header Search */
.header-search {
  flex: 1;
  max-width: 340px;
  position: relative;
}

.header-search svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 17px;
  height: 17px;
  color: var(--color-text-muted);
  pointer-events: none;
  flex-shrink: 0;
}

.header-search input {
  width: 100%;
  height: 40px;
  padding: 0 var(--space-md) 0 38px;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.header-search input::placeholder { color: var(--color-text-muted); }

.header-search input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(59, 91, 219, 0.12);
  background: var(--color-surface);
}

/* Header Info */
.header-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.header-greeting {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* ── Main Content ─────────────────────────────────────────────── */
main {
  flex: 1;
  padding: var(--space-3xl) 0;
}

/* ── Hero Section ─────────────────────────────────────────────── */
.hero {
  text-align: center;
  margin-bottom: var(--space-3xl);
  animation: fadeInDown 0.5s ease both;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: var(--space-md);
}

.hero-eyebrow svg { width: 13px; height: 13px; }

.hero-title {
  font-size: clamp(1.75rem, 4vw, var(--font-size-4xl));
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.8px;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.hero-title span { color: var(--color-accent); }

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  font-weight: 400;
  max-width: 480px;
  margin: 0 auto;
}

/* ── Stats Bar ────────────────────────────────────────────────── */
.stats-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
  animation: fadeIn 0.6s 0.1s ease both;
}

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

.stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.5px;
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stats-divider {
  width: 1px;
  height: 32px;
  background: var(--color-border);
}

/* ── Section Header ───────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  animation: fadeIn 0.6s 0.15s ease both;
}

.section-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
}

.section-count {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  background: var(--color-bg-alt);
  padding: 4px 10px;
  border-radius: 100px;
}

/* ── Apps Grid ────────────────────────────────────────────────── */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

/* ── App Card ─────────────────────────────────────────────────── */
.app-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-smooth),
    box-shadow var(--transition-smooth),
    border-color var(--transition-base);

  /* Entry animation applied via JS */
  opacity: 0;
}

.app-card.visible {
  animation: cardEntrance 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

/* Subtle top accent bar */
.app-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-color, var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition-base);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

/* Background shimmer on hover */
.app-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, var(--card-color-light, rgba(59,91,219,0.04)) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-smooth);
  pointer-events: none;
}

.app-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--card-color, var(--color-accent));
}

.app-card:hover::before { opacity: 1; }
.app-card:hover::after  { opacity: 1; }

.app-card:active { transform: translateY(-2px); }

/* Card Icon */
.card-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--card-color-light, var(--color-accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-smooth);
}

.app-card:hover .card-icon-wrap {
  transform: scale(1.08) rotate(-2deg);
}

.card-icon-wrap svg {
  width: 28px;
  height: 28px;
  color: var(--card-color, var(--color-accent));
}

/* Card Body */
.card-body { flex: 1; }

.card-category {
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--card-color, var(--color-accent));
  margin-bottom: var(--space-xs);
  opacity: 0.85;
}

.card-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.3px;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.card-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Card Footer */
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.card-link-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--card-color, var(--color-accent));
}

.card-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--card-color-light, var(--color-accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base), background var(--transition-base);
}

.card-arrow svg {
  width: 15px;
  height: 15px;
  color: var(--card-color, var(--color-accent));
  transition: transform var(--transition-base);
}

.app-card:hover .card-arrow {
  background: var(--card-color, var(--color-accent));
}

.app-card:hover .card-arrow svg {
  color: #fff;
  transform: translate(2px, -2px);
}

/* ── Empty / No Results State ─────────────────────────────────── */
.empty-state {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl);
  text-align: center;
  grid-column: 1 / -1;
  color: var(--color-text-muted);
  gap: var(--space-md);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  opacity: 0.3;
}

.empty-state p { font-size: var(--font-size-sm); }

.empty-state.visible { display: flex; }

/* ── Footer ───────────────────────────────────────────────────── */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0;
}

.site-footer .wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer-brand {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-primary);
}

.footer-brand span { color: var(--color-accent); }

.footer-copy {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.footer-version {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  padding: 3px 8px;
  border-radius: 100px;
}

/* ── Animations ───────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes cardEntrance {
  from { opacity: 0; transform: translateY(24px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .apps-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .wrapper { padding: 0 var(--space-md); }

  .site-header .wrapper { height: 60px; }

  .header-search { display: none; }

  .stats-bar {
    gap: var(--space-md);
    flex-wrap: wrap;
  }

  .hero-title { font-size: 1.75rem; }
  .hero-subtitle { font-size: var(--font-size-base); }

  main { padding: var(--space-xl) 0; }

  .apps-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .app-card { padding: var(--space-lg); }

  .site-footer .wrapper { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero { margin-bottom: var(--space-xl); }
  .stats-bar { display: none; }
}