/* =========================================================
   Kartega Apps Site — Premium Design System
   ========================================================= */

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

/* ── CSS Custom Properties ── */
:root {
  --bg-primary:    #080c14;
  --bg-secondary:  #0e1422;
  --bg-card:       rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --glass:         rgba(255,255,255,0.05);
  --glass-border:  rgba(255,255,255,0.10);

  --accent:        #6c63ff;
  --accent-2:      #a78bfa;
  --accent-glow:   rgba(108,99,255,0.35);
  --green:         #22d3a0;
  --green-dim:     rgba(34,211,160,0.15);
  --amber:         #f59e0b;
  --amber-dim:     rgba(245,158,11,0.15);

  --text-primary:  #f1f5f9;
  --text-secondary:#94a3b8;
  --text-muted:    #64748b;
  --border:        rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);

  --radius-sm:  10px;
  --radius:     16px;
  --radius-lg:  24px;
  --radius-xl:  32px;

  --shadow-card:    0 8px 32px rgba(0,0,0,0.45);
  --shadow-glow:    0 0 48px rgba(108,99,255,0.18);
  --shadow-strong:  0 24px 64px rgba(0,0,0,0.6);

  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body: 'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(108,99,255,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 90% 80%, rgba(34,211,160,0.08) 0%, transparent 55%);
  min-height: 100vh;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── Layout Shell ── */
.site-shell {
  width: min(1180px, 92%);
  margin: 0 auto;
}

/* ── Top Navigation ── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(8,12,20,0.82);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 24px;
}

.brand { display: flex; align-items: center; }

.kartega-logo {
  height: 42px;
  transition: opacity var(--transition);
}
.kartega-logo:hover { opacity: 0.8; }

.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover {
  color: var(--text-primary);
  background: var(--glass);
}

/* ── Hero Section ── */
.hero {
  padding: 96px 0 64px;
  position: relative;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-2);
  background: rgba(108,99,255,0.12);
  border: 1px solid rgba(108,99,255,0.25);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--text-primary);
  max-width: 18ch;
  background: linear-gradient(135deg, #f1f5f9 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-top: 20px;
  max-width: 58ch;
  line-height: 1.75;
}

.pills {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
  background: var(--glass);
  padding: 7px 15px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  transition: border-color var(--transition), color var(--transition);
}
.pill:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

/* ── Section ── */
.section {
  padding: 32px 0 72px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 32px;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--text-primary);
}

.section-head p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ── App Cards Grid ── */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.app-card {
  grid-column: span 12;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transform: translateY(24px);
  opacity: 0;
  animation: fadeUp 0.65s ease forwards;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
}

.app-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(108,99,255,0.05) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
  z-index: 1;
}

.app-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  transform: translateY(-4px);
}

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

.app-card:nth-child(2) { animation-delay: 0.15s; }
.app-card:nth-child(3) { animation-delay: 0.30s; }

@media (min-width: 768px) {
  .app-card { grid-column: span 6; }
  .app-card.wide {
    grid-column: span 12;
    display: grid;
    grid-template-columns: 1.15fr 1fr;
  }
}

.card-image {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
  background: linear-gradient(135deg, #1a1f35 0%, #0e1422 100%);
}

.card-body {
  padding: 28px 28px 24px;
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.card-body h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.card-body p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

/* ── Status Tags ── */
.tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 4px 12px;
  border: 1px solid;
  white-space: nowrap;
}

.tag.live {
  color: var(--green);
  border-color: rgba(34,211,160,0.35);
  background: var(--green-dim);
}

.tag.soon {
  color: var(--amber);
  border-color: rgba(245,158,11,0.35);
  background: var(--amber-dim);
}

/* ── CTA Row Buttons ── */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition),
              box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
}

.btn:active { transform: scale(0.97); }

.btn.primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108,99,255,0.35);
}
.btn.primary:hover {
  background: #5b52df;
  box-shadow: 0 6px 28px rgba(108,99,255,0.55);
  transform: translateY(-1px);
}

.btn.ghost {
  background: var(--glass);
  border-color: var(--border-strong);
  color: var(--text-secondary);
  backdrop-filter: blur(8px);
}
.btn.ghost:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  background: rgba(108,99,255,0.1);
}

.btn.disabled {
  background: rgba(255,255,255,0.04);
  border-color: var(--border);
  color: var(--text-muted);
  pointer-events: none;
  cursor: default;
}

/* ── App Detail: Page Hero ── */
.page-hero {
  padding: 80px 0 40px;
}

.page-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.page-hero-badge a {
  color: var(--accent-2);
  transition: color var(--transition);
}
.page-hero-badge a:hover { color: var(--text-primary); }

.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--text-primary);
}

.page-hero p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-top: 16px;
  max-width: 60ch;
  line-height: 1.75;
}

.page-hero .hero-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}

/* ── Screenshot Grid ── */
.preview-grid {
  padding: 8px 0 40px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.preview-grid img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  grid-column: span 12;
  object-fit: cover;
  transition: transform var(--transition), box-shadow var(--transition);
}
.preview-grid img:hover {
  transform: scale(1.015);
  box-shadow: var(--shadow-strong);
}

@media (min-width: 768px) {
  .preview-grid img { grid-column: span 4; }
}

/* ── Content Grid (detail pages) ── */
.content-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
  padding-bottom: 72px;
}

.panel {
  grid-column: span 12;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.panel:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-card);
}

@media (min-width: 900px) {
  .panel.main { grid-column: span 8; }
  .panel.side { grid-column: span 4; }
}

.panel h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

/* ── Feature List ── */
.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
}

.feature-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  min-width: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 8px;
  box-shadow: 0 0 8px var(--accent-glow);
}

/* ── Market Links (side panel) ── */
.market-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.market-link-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: border-color var(--transition), background var(--transition),
              color var(--transition), transform var(--transition);
  text-decoration: none;
}
.market-link-item:hover {
  border-color: var(--accent);
  background: rgba(108,99,255,0.08);
  color: var(--text-primary);
  transform: translateX(4px);
}
.market-link-item.disabled {
  opacity: 0.45;
  pointer-events: none;
}
.market-link-item .mli-icon {
  font-size: 1.3rem;
  width: 28px;
  text-align: center;
}
.market-link-item .mli-label {
  flex: 1;
}
.market-link-item .mli-badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--amber);
  background: var(--amber-dim);
  border: 1px solid rgba(245,158,11,0.3);
  padding: 2px 8px;
  border-radius: 999px;
}
.market-link-item .mli-arrow {
  opacity: 0.4;
  transition: opacity var(--transition), transform var(--transition);
}
.market-link-item:hover .mli-arrow {
  opacity: 1;
  transform: translateX(3px);
}

/* ── Stats Row ── */
.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 24px;
}
.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-2);
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  background: rgba(8,12,20,0.7);
  backdrop-filter: blur(12px);
  padding: 32px 0 40px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.footer-links a:hover {
  color: var(--text-primary);
  background: var(--glass);
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ── Legal / Doc Pages ── */
.doc {
  padding: 72px 0 80px;
  max-width: 760px;
}

.doc-header {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.doc h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 700;
  background: linear-gradient(135deg, #f1f5f9 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.doc .doc-date {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.doc .doc-intro {
  margin-top: 10px;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

.doc-section {
  margin-bottom: 40px;
}

.doc-section h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.doc-section h2 .section-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(108,99,255,0.15);
  border: 1px solid rgba(108,99,255,0.3);
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 700;
  font-family: var(--font-display);
  flex-shrink: 0;
}

.doc-section p,
.doc-section li {
  color: var(--text-secondary);
  font-size: 0.97rem;
  line-height: 1.75;
}

.doc-section ul {
  padding-left: 0;
  list-style: none;
  margin: 8px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.doc-section ul li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.doc-section ul li::before {
  content: '→';
  color: var(--accent);
  font-weight: 600;
  flex-shrink: 0;
  margin-top: 2px;
}

.doc-section .contact-email {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--glass);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  color: var(--accent-2);
  font-weight: 600;
  margin-top: 8px;
  transition: background var(--transition), border-color var(--transition);
}
.doc-section .contact-email:hover {
  background: rgba(108,99,255,0.1);
  border-color: var(--accent);
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
  margin: 40px 0;
}

/* ── Animations ── */
@keyframes fadeUp {
  from { transform: translateY(24px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Responsive ── */
@media (max-width: 640px) {
  .hero { padding: 64px 0 40px; }
  .hero h1 { font-size: 2rem; }
  .card-body { padding: 20px; }
  .panel { padding: 20px; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .doc { padding: 48px 0 60px; }
}