/* ==========================================================================
   GüvenilirMarket — Premium Digital Marketplace & Guide Hub Design System
   (app/static/css/gm-cyber-core.css)
   ========================================================================== */

:root {
  --gm-bg: #050813;
  --gm-bg-surface: #0a1020;
  --gm-bg-elevated: #101930;
  --gm-bg-card: #0d1527;
  --gm-bg-hover: #162444;
  
  --gm-border: rgba(255, 255, 255, 0.08);
  --gm-border-active: rgba(0, 210, 255, 0.4);
  --gm-border-subtle: rgba(59, 130, 246, 0.15);
  
  --gm-primary: #00d2ff;
  --gm-primary-hover: #38bdf8;
  --gm-blue: #3b82f6;
  --gm-blue-dark: #1d4ed8;
  --gm-gradient-primary: linear-gradient(135deg, #00d2ff 0%, #3b82f6 100%);
  --gm-gradient-card: linear-gradient(180deg, rgba(16, 25, 48, 0.95) 0%, rgba(10, 16, 32, 0.98) 100%);
  --gm-gradient-hero: linear-gradient(135deg, rgba(13, 21, 39, 0.98) 0%, rgba(6, 11, 23, 0.95) 100%);
  
  --gm-success: #10b981;
  --gm-warning: #f59e0b;
  --gm-danger: #ef4444;
  --gm-purple: #8b5cf6;
  
  --gm-text-main: #f8fafc;
  --gm-text-muted: #94a3b8;
  --gm-text-dim: #64748b;
  
  --gm-radius-sm: 8px;
  --gm-radius: 14px;
  --gm-radius-lg: 20px;
  --gm-radius-full: 9999px;
  
  --gm-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --gm-font-heading: 'Rajdhani', var(--gm-font);
  
  --gm-shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --gm-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  --gm-shadow-glow: 0 0 25px rgba(0, 210, 255, 0.18);
  --gm-shadow-glow-lg: 0 0 40px rgba(0, 210, 255, 0.25);
  
  --gm-transition: all 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--gm-bg);
  color: var(--gm-text-main);
  font-family: var(--gm-font);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 210, 255, 0.08) 0%, transparent 60%),
    radial-gradient(circle at 100% 40%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 0% 80%, rgba(139, 92, 246, 0.04) 0%, transparent 50%);
  background-attachment: fixed;
  overflow-x: hidden;
}

a {
  color: var(--gm-primary);
  text-decoration: none;
  transition: var(--gm-transition);
}
a:hover {
  color: var(--gm-primary-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Generous Container (1480px) */
.gm-container {
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--gm-font-heading);
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}

.gm-title-gradient {
  background: var(--gm-gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.gm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--gm-font);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--gm-radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--gm-transition);
  text-decoration: none;
  white-space: nowrap;
}

.gm-btn-primary {
  background: var(--gm-gradient-primary);
  color: #030712 !important;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(0, 210, 255, 0.35);
}
.gm-btn-primary:hover {
  box-shadow: 0 6px 24px rgba(0, 210, 255, 0.55);
  transform: translateY(-2px);
}

.gm-btn-secondary {
  background: var(--gm-bg-elevated);
  border-color: var(--gm-border);
  color: var(--gm-text-main) !important;
}
.gm-btn-secondary:hover {
  background: var(--gm-bg-hover);
  border-color: var(--gm-primary);
  color: #fff !important;
  transform: translateY(-2px);
}

.gm-btn-outline-blue {
  background: rgba(0, 210, 255, 0.06);
  border-color: rgba(0, 210, 255, 0.4);
  color: var(--gm-primary) !important;
}
.gm-btn-outline-blue:hover {
  background: rgba(0, 210, 255, 0.15);
  border-color: var(--gm-primary);
  color: #fff !important;
  transform: translateY(-2px);
}

.gm-btn-lg {
  padding: 14px 28px;
  font-size: 15px;
  border-radius: 10px;
}

.gm-btn-sm {
  padding: 8px 16px;
  font-size: 13px;
  border-radius: 6px;
}

.gm-btn-block {
  width: 100%;
}

/* Badges & Tags */
.gm-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--gm-radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.gm-badge-cyan {
  background: rgba(0, 210, 255, 0.12);
  color: var(--gm-primary);
  border: 1px solid rgba(0, 210, 255, 0.3);
}

.gm-badge-green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--gm-success);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.gm-badge-red {
  background: rgba(239, 68, 68, 0.18);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.gm-badge-gold {
  background: rgba(245, 158, 11, 0.15);
  color: var(--gm-warning);
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.gm-badge-purple {
  background: rgba(139, 92, 246, 0.15);
  color: var(--gm-purple);
  border: 1px solid rgba(139, 92, 246, 0.35);
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */
.gm-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(5, 8, 19, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gm-border);
  padding: 14px 0;
}

.gm-nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.gm-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--gm-font-heading);
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.04em;
}
.gm-logo i {
  color: var(--gm-primary);
  font-size: 24px;
  filter: drop-shadow(0 0 10px rgba(0, 210, 255, 0.6));
}
.gm-logo span {
  color: var(--gm-primary);
}

.gm-nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.gm-nav-link {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gm-text-muted);
  border-radius: var(--gm-radius-sm);
  transition: var(--gm-transition);
}
.gm-nav-link:hover, .gm-nav-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}
.gm-nav-link.active {
  color: var(--gm-primary);
}

.gm-nav-guide-btn {
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.3);
  color: var(--gm-primary) !important;
  border-radius: var(--gm-radius-sm);
  padding: 8px 16px;
  font-weight: 600;
}
.gm-nav-guide-btn:hover {
  background: rgba(0, 210, 255, 0.2);
  border-color: var(--gm-primary);
}

.gm-nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ==========================================================================
   Editorial Hero Section
   ========================================================================== */
.gm-hero-editorial {
  padding: 40px 0 20px;
}

.gm-hero-card {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
  align-items: center;
  background: var(--gm-gradient-hero);
  border: 1px solid var(--gm-border-subtle);
  border-radius: var(--gm-radius-lg);
  padding: 48px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--gm-shadow);
}

.gm-hero-card::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 210, 255, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.gm-hero-title {
  font-size: 46px;
  line-height: 1.15;
  margin-bottom: 20px;
}

.gm-hero-desc {
  color: var(--gm-text-muted);
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 28px;
  max-width: 580px;
}

/* Hero Showcase Visual Grid */
.gm-hero-showcase {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.gm-hero-showcase-item {
  background: var(--gm-bg-elevated);
  border: 1px solid var(--gm-border);
  border-radius: var(--gm-radius);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: var(--gm-transition);
}
.gm-hero-showcase-item:hover {
  background: var(--gm-bg-hover);
  border-color: var(--gm-primary);
  transform: translateY(-2px);
}
.gm-hero-showcase-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0, 210, 255, 0.12);
  color: var(--gm-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

/* Live Trust Bar */
.gm-trust-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
  padding: 20px 28px;
  background: var(--gm-bg-surface);
  border: 1px solid var(--gm-border);
  border-radius: var(--gm-radius);
}

.gm-trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.gm-trust-icon {
  font-size: 24px;
  color: var(--gm-primary);
  flex-shrink: 0;
}
.gm-trust-title {
  font-family: var(--gm-font-heading);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}
.gm-trust-subtitle {
  font-size: 12px;
  color: var(--gm-text-muted);
}

/* ==========================================================================
   Large Premium Product Card System (3-4 per row on Desktop)
   ========================================================================== */
.gm-section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gm-border);
}

.gm-section-title-wrap h2 {
  font-size: 32px;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.gm-section-title-wrap p {
  color: var(--gm-text-muted);
  font-size: 14px;
}

.gm-products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

/* 4-column strict grid for full width showcases */
.gm-products-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* 3-column grid for marketplace layout */
.gm-products-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Large Product Card */
.gm-product-card {
  background: var(--gm-bg-card);
  border: 1px solid var(--gm-border);
  border-radius: var(--gm-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--gm-transition);
  position: relative;
}

.gm-product-card:hover {
  border-color: var(--gm-border-active);
  box-shadow: var(--gm-shadow-glow);
  transform: translateY(-4px);
}

/* Large Image Area (16:9, min 230px height) */
.gm-product-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 230px;
  background: #070c18;
  overflow: hidden;
}

.gm-product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gm-product-card:hover .gm-product-thumb img {
  transform: scale(1.06);
}

.gm-product-thumb::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 45%;
  background: linear-gradient(180deg, transparent 0%, rgba(13, 21, 39, 0.85) 100%);
  pointer-events: none;
}

/* Badges on Thumbnail */
.gm-thumb-badge-top-left {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
}

.gm-thumb-badge-top-right {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
}

.gm-thumb-badge-bottom-left {
  position: absolute;
  bottom: 12px;
  left: 12px;
  z-index: 2;
}

/* Card Body */
.gm-product-info {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 12px;
}

.gm-product-category-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gm-product-category {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gm-primary);
}

.gm-product-platform {
  font-size: 11px;
  font-weight: 600;
  color: var(--gm-text-dim);
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 8px;
  border-radius: 4px;
}

.gm-product-title {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 46px;
  transition: var(--gm-transition);
}

.gm-product-card:hover .gm-product-title {
  color: var(--gm-primary);
}

.gm-product-meta-pills {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--gm-text-muted);
}
.gm-product-meta-pills span {
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Pricing Row */
.gm-product-price-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: auto;
  padding-top: 8px;
}

.gm-product-price {
  font-family: var(--gm-font-heading);
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.02em;
}

.gm-product-old-price {
  font-size: 14px;
  color: var(--gm-text-dim);
  text-decoration: line-through;
}

/* Card Action Buttons (Dual CTA) */
.gm-card-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin-top: 6px;
}

/* ==========================================================================
   Marketplace Layout (/magaza)
   ========================================================================== */
.gm-market-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 32px;
  align-items: start;
  padding: 30px 0 60px;
}

.gm-filter-sidebar {
  position: sticky;
  top: 90px;
  background: var(--gm-bg-surface);
  border: 1px solid var(--gm-border);
  border-radius: var(--gm-radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.gm-filter-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gm-border);
}

.gm-filter-search-box {
  position: relative;
}
.gm-filter-search-box input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  background: var(--gm-bg-elevated);
  border: 1px solid var(--gm-border);
  border-radius: var(--gm-radius-sm);
  color: #fff;
  font-size: 13px;
  outline: none;
}
.gm-filter-search-box input:focus {
  border-color: var(--gm-primary);
}
.gm-filter-search-box i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gm-text-dim);
  font-size: 14px;
}

/* Category Tree Accordion */
.gm-cat-tree {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 380px;
  overflow-y: auto;
  padding-right: 4px;
}

.gm-cat-tree-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: var(--gm-radius-sm);
  color: var(--gm-text-muted);
  font-size: 13px;
  font-weight: 500;
  transition: var(--gm-transition);
}
.gm-cat-tree-item:hover, .gm-cat-tree-item.active {
  background: var(--gm-bg-hover);
  color: #fff;
}
.gm-cat-tree-item.active {
  color: var(--gm-primary);
  font-weight: 700;
}
.gm-cat-tree-count {
  font-size: 11px;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 7px;
  border-radius: var(--gm-radius-full);
  color: var(--gm-text-dim);
}

/* Category Showcase Carousel on Homepage */
.gm-category-chips {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 12px;
  scrollbar-width: thin;
}
.gm-category-chip {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--gm-bg-surface);
  border: 1px solid var(--gm-border);
  border-radius: var(--gm-radius-sm);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  transition: var(--gm-transition);
}
.gm-category-chip:hover, .gm-category-chip.active {
  background: var(--gm-bg-hover);
  border-color: var(--gm-primary);
  color: var(--gm-primary);
  transform: translateY(-2px);
}

/* ==========================================================================
   Product Detail Page Layout (/urun/<slug>)
   ========================================================================== */
.gm-detail-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
  padding: 30px 0 60px;
}

.gm-detail-media {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.gm-detail-main-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 380px;
  border-radius: var(--gm-radius-lg);
  overflow: hidden;
  border: 1px solid var(--gm-border-subtle);
  background: #000;
  box-shadow: var(--gm-shadow);
}
.gm-detail-main-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gm-detail-badges-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.gm-detail-trust-card {
  background: var(--gm-bg-surface);
  border: 1px solid var(--gm-border);
  border-radius: var(--gm-radius-sm);
  padding: 14px;
  text-align: center;
}
.gm-detail-trust-card i {
  font-size: 20px;
  color: var(--gm-primary);
  margin-bottom: 6px;
}
.gm-detail-trust-card div {
  font-size: 12px;
  font-weight: 600;
  color: #fff;
}

.gm-detail-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.gm-detail-title {
  font-size: 36px;
  line-height: 1.2;
}

.gm-detail-price-box {
  background: var(--gm-bg-surface);
  border: 1px solid var(--gm-border-active);
  border-radius: var(--gm-radius);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--gm-shadow-glow);
}

.gm-detail-price-val {
  font-family: var(--gm-font-heading);
  font-size: 36px;
  font-weight: 800;
  color: #fff;
}

.gm-detail-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ==========================================================================
   Central Usage Guide Hub (/kullanim)
   ========================================================================== */
.gm-guide-hero {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 40px;
  padding: 30px 0 10px;
}

.gm-guide-search-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--gm-bg-surface);
  border: 1px solid var(--gm-border-active);
  border-radius: var(--gm-radius-full);
  padding: 8px 16px 8px 24px;
  box-shadow: var(--gm-shadow-glow);
  margin: 24px auto 0;
  max-width: 600px;
}
.gm-guide-search-bar input {
  flex: 1;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 15px;
  outline: none;
}
.gm-guide-search-bar i {
  color: var(--gm-primary);
  font-size: 18px;
}

/* Responsive Overrides */
@media (max-width: 1200px) {
  .gm-products-grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }
  .gm-hero-card {
    grid-template-columns: 1fr;
    padding: 36px;
  }
}

@media (max-width: 992px) {
  .gm-market-layout {
    grid-template-columns: 1fr;
  }
  .gm-detail-layout {
    grid-template-columns: 1fr;
  }
  .gm-products-grid-3, .gm-products-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .gm-trust-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .gm-products-grid, .gm-products-grid-3, .gm-products-grid-4 {
    grid-template-columns: 1fr;
  }
  .gm-hero-title {
    font-size: 32px;
  }
  .gm-trust-bar {
    grid-template-columns: 1fr;
  }
  .gm-detail-badges-row {
    grid-template-columns: 1fr;
  }
}