/* ==========================================================================
   CARA CORE INFORMÁTICA — CENTRAL DE DOWNLOADS (STORE.CSS)
   Design System: Bunker Digital / Modern Sovereign Tech
   ========================================================================== */

:root {
  --bg-main: #060913;
  --bg-surface: #0c1222;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(26, 38, 66, 0.85);
  --border-subtle: rgba(148, 163, 184, 0.12);
  --border-highlight: rgba(16, 185, 129, 0.35);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --emerald-500: #10b981;
  --emerald-400: #34d399;
  --emerald-600: #059669;
  --emerald-glow: rgba(16, 185, 129, 0.2);

  --cyan-500: #06b6d4;
  --blue-500: #3b82f6;
  --amber-500: #f59e0b;
  --purple-500: #a855f7;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px -5px var(--emerald-glow);
  --transition-normal: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-card-hover: #ffffff;
  --border-subtle: rgba(203, 213, 225, 0.8);
  --border-highlight: rgba(16, 185, 129, 0.5);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --shadow-card: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(16, 185, 129, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(6, 182, 212, 0.06) 0%, transparent 45%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 9, 19, 0.82);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
}

[data-theme="light"] .site-header {
  background: rgba(255, 255, 255, 0.88);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--emerald-600), #065f46);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.25rem;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.brand-info h1 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-tag {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald-400);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.brand-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-item {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-item:hover, .nav-item.active {
  color: var(--emerald-400);
}

.theme-toggle {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-normal);
}

.theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--emerald-500);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding: 3.5rem 0 2.5rem 0;
  text-align: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--emerald-400);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.gradient-text {
  background: linear-gradient(135deg, #f8fafc 30%, var(--emerald-400) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .gradient-text {
  background: linear-gradient(135deg, #0f172a 40%, var(--emerald-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 2.5rem auto;
}

/* ==========================================================================
   SEARCH & FILTER BAR
   ========================================================================== */
.filter-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-card);
}

.search-box-wrap {
  position: relative;
  margin-bottom: 1rem;
}

.search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
}

.search-input {
  width: 100%;
  padding: 0.9rem 1.25rem 0.9rem 3rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  outline: none;
  transition: var(--transition-normal);
}

[data-theme="light"] .search-input {
  background: #f1f5f9;
}

.search-input:focus {
  border-color: var(--emerald-500);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.filter-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.category-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.chip-btn:hover {
  border-color: var(--emerald-500);
  color: var(--text-primary);
}

.chip-btn.active {
  background: var(--emerald-600);
  border-color: var(--emerald-500);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(16, 185, 129, 0.35);
}

.os-filter-select {
  padding: 0.45rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.8rem;
  outline: none;
  cursor: pointer;
}

.results-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ==========================================================================
   PRODUCTS GRID & CARDS
   ========================================================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.product-card:hover {
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem;
  gap: 0.75rem;
}

.product-identity {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.product-icon-wrap {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.icon-pdv-java { background: linear-gradient(135deg, #059669, #065f46); color: #fff; }
.icon-pdv-rust { background: linear-gradient(135deg, #ea580c, #9a3412); color: #fff; }
.icon-cso { background: linear-gradient(135deg, #0284c7, #0369a1); color: #fff; }
.icon-hub { background: linear-gradient(135deg, #d97706, #b45309); color: #fff; }
.icon-ink { background: linear-gradient(135deg, #7c3aed, #5b21b6); color: #fff; }
.icon-ete { background: linear-gradient(135deg, #10b981, #047857); color: #fff; }
.icon-oidc { background: linear-gradient(135deg, #6366f1, #4338ca); color: #fff; }
.icon-circuito { background: linear-gradient(135deg, #e11d48, #9f1239); color: #fff; }
.icon-generic { background: linear-gradient(135deg, #475569, #334155); color: #fff; }

.product-titles h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

.product-titles .version-tag {
  font-size: 0.75rem;
  color: var(--emerald-400);
  font-family: var(--font-mono);
  font-weight: 600;
  display: block;
  margin-top: 0.2rem;
}

.status-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.status-free {
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald-400);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.status-pilot {
  background: rgba(245, 158, 11, 0.15);
  color: var(--amber-500);
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.status-saas {
  background: rgba(59, 130, 246, 0.15);
  color: var(--blue-500);
  border: 1px solid rgba(59, 130, 246, 0.35);
}

.status-garage {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.5;
  flex-grow: 1;
}

.specs-box {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  margin-bottom: 1.25rem;
  font-size: 0.8rem;
}

[data-theme="light"] .specs-box {
  background: #f1f5f9;
}

.spec-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
  color: var(--text-secondary);
}

.spec-line:last-child {
  margin-bottom: 0;
}

.spec-line i {
  color: var(--emerald-400);
  width: 14px;
  text-align: center;
}

.spec-line strong {
  color: var(--text-primary);
}

/* Download actions inside card */
.card-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: auto;
}

.btn-download-primary {
  background: linear-gradient(135deg, var(--emerald-600), var(--emerald-500));
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
}

.btn-download-primary:hover {
  background: linear-gradient(135deg, #047857, var(--emerald-600));
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
  transform: translateY(-1px);
}

.btn-alt-downloads {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.5rem;
}

.btn-sub-dl {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.5rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  text-align: center;
  transition: var(--transition-normal);
}

.btn-sub-dl:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: var(--emerald-500);
}

.card-links-sub {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.6rem;
  font-size: 0.78rem;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--border-subtle);
}

.card-link-item {
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: var(--transition-normal);
}

.card-link-item:hover {
  color: var(--emerald-400);
}

/* Checksum drawer / box */
.checksum-box {
  margin-top: 0.75rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

[data-theme="light"] .checksum-box {
  background: #e2e8f0;
}

.hash-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  display: block;
}

.hash-code {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--emerald-400);
  word-break: break-all;
  user-select: all;
}

.btn-copy-hash {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.3rem;
  border-radius: 4px;
  transition: var(--transition-normal);
}

.btn-copy-hash:hover {
  color: var(--emerald-400);
}

/* ==========================================================================
   PHILOSOPHY / BUNKER SECTION
   ========================================================================== */
.bunker-section {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 4rem;
}

.bunker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.bunker-item {
  display: flex;
  gap: 1rem;
}

.bunker-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--emerald-400);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.bunker-content h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.bunker-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   INTEGRITY MODAL
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1.5rem;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  position: relative;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.3rem;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.code-block {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--emerald-400);
  margin-bottom: 1rem;
  position: relative;
  overflow-x: auto;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  margin-top: auto;
  background: #03060c;
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 0 2rem 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

[data-theme="light"] .site-footer {
  background: #f1f5f9;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-col h5 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col a {
  color: var(--text-secondary);
  transition: var(--transition-normal);
}

.footer-col a:hover {
  color: var(--emerald-400);
}

.footer-bottom {
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.78rem;
}

/* Toast notification */
.toast-msg {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--emerald-600);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-msg.show {
  transform: translateY(0);
  opacity: 1;
}