/* ================================================================
   Charles Hartmann — App Portfolio
   Theme: Deep space · Glass morphism · Electric gradient accents
   ================================================================ */

/* ---- Custom Properties ---- */
:root {
  --bg:          #06060e;
  --bg-2:        #0b0b18;
  --bg-nav:      rgba(6, 6, 14, 0.85);
  --card-bg:     rgba(255, 255, 255, 0.035);
  --card-bg-h:   rgba(255, 255, 255, 0.07);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-glow:   rgba(79, 111, 255, 0.35);

  --blue:    #4f6fff;
  --purple:  #a855f7;
  --cyan:    #22d3ee;
  --green:   #34d399;
  --yellow:  #fbbf24;
  --pink:    #f472b6;
  --red:     #f87171;

  --grad:        linear-gradient(135deg, var(--blue), var(--purple));
  --grad-text:   linear-gradient(135deg, #a5b4fc 0%, #818cf8 40%, #c084fc 100%);

  --text:    #f0f0ff;
  --text-2:  rgba(240, 240, 255, 0.65);
  --text-3:  rgba(240, 240, 255, 0.38);

  --radius:  14px;
  --radius-sm: 8px;
  --nav-h:   64px;
  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 20px);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; }

/* ---- Background orbs ---- */
.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
  animation: orbFloat 20s ease-in-out infinite alternate;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #4f6fff, transparent 70%);
  top: -200px; left: -150px;
  animation-duration: 25s;
}
.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #a855f7, transparent 70%);
  top: 40%; right: -150px;
  animation-duration: 20s;
  animation-delay: -8s;
}
.orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #22d3ee, transparent 70%);
  bottom: -100px; left: 30%;
  animation-duration: 30s;
  animation-delay: -15s;
}
@keyframes orbFloat {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(40px, 60px) scale(1.08); }
}

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: var(--bg-nav);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
  color: var(--text);
}
.logo-icon { font-size: 1.3rem; }
.logo-text { background: var(--grad-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.nav-search-wrap {
  flex: 1;
  max-width: 340px;
  display: none;
}
.nav-search {
  width: 100%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  padding: 8px 16px;
  color: var(--text);
  font-size: 0.875rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.nav-search:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(79, 111, 255, 0.2);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}
.nav-link {
  font-size: 0.875rem;
  color: var(--text-2);
  font-weight: 500;
  transition: color var(--transition);
}
.nav-link:hover { color: var(--text); }

/* ---- Buttons ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--grad);
  color: #fff;
  padding: 11px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(79, 111, 255, 0.35);
}
.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(79, 111, 255, 0.45);
}

.btn-coffee {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ffdd00;
  color: #000;
  padding: 11px 20px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.875rem;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 16px rgba(255, 221, 0, 0.3);
  white-space: nowrap;
}
.btn-coffee:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(255, 221, 0, 0.4);
}
.nav-coffee {
  padding: 8px 16px;
  font-size: 0.8rem;
}

.btn-play {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #01875f;
  color: #fff;
  padding: 11px 20px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.875rem;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 16px rgba(1, 135, 95, 0.3);
  white-space: nowrap;
}
.btn-play:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(1, 135, 95, 0.45);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-2);
  padding: 11px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.875rem;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text);
  transform: translateY(-1px);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  z-index: 1;
  padding: calc(var(--nav-h) + 64px) 24px 80px;
}
.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 48px;
}
.hero-avatar-wrap {
  flex-shrink: 0;
}
.hero-avatar {
  width: 108px;
  height: 108px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: var(--grad) border-box;
  box-shadow: 0 0 0 3px rgba(79, 111, 255, 0.3), 0 8px 32px rgba(0,0,0,0.4);
  object-fit: cover;
  transition: transform var(--transition), box-shadow var(--transition);
}
.hero-avatar:hover {
  transform: scale(1.04);
  box-shadow: 0 0 0 4px rgba(168, 85, 247, 0.4), 0 12px 40px rgba(0,0,0,0.5);
}
.hero-content { flex: 1; min-width: 0; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(79, 111, 255, 0.12);
  border: 1px solid rgba(79, 111, 255, 0.3);
  color: #818cf8;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero-badge::before { content: "●"; font-size: 0.5em; color: #4f6fff; }

.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 16px;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-bio {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 560px;
  margin-bottom: 24px;
  line-height: 1.7;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}
.stat-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
}
.stat-pill .stat-num {
  font-size: 1.05rem;
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-pill .stat-label { color: var(--text-2); font-weight: 500; }

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---- Video Section ---- */
.video-section {
  position: relative;
  z-index: 1;
  padding: 60px 24px 20px;
}
.video-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.section-heading {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.section-sub {
  font-size: 0.95rem;
  color: var(--text-3);
  margin-bottom: 28px;
}
.video-wrap {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
}
.promo-video {
  width: 100%;
  height: 100%;
  display: block;
  background: var(--bg);
}
.video-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-3);
  font-size: 0.9rem;
  padding: 40px;
}
.video-placeholder-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: rgba(79, 111, 255, 0.12);
  border: 1px solid rgba(79, 111, 255, 0.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  color: var(--blue);
}

/* ---- Catalog ---- */
.catalog {
  position: relative;
  z-index: 1;
  padding: 0 24px 80px;
}
.catalog-inner {
  max-width: 1280px;
  margin: 0 auto;
}

/* Controls */
.catalog-controls {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.search-wrap {
  position: relative;
}
.search-icon {
  position: absolute;
  left: 14px; top: 50%;
  transform: translateY(-50%);
  width: 18px; height: 18px;
  color: var(--text-3);
  pointer-events: none;
}
.search-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 12px 42px 12px 42px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.search-input::placeholder { color: var(--text-3); }
.search-input:focus {
  border-color: var(--blue);
  background: rgba(79, 111, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(79, 111, 255, 0.15);
}
.search-clear {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: var(--text-3);
  font-size: 0.9rem;
  padding: 4px;
  transition: color var(--transition);
}
.search-clear:hover { color: var(--text); }

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-2);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}
.pill:hover {
  background: rgba(255, 255, 255, 0.09);
  color: var(--text);
  transform: translateY(-1px);
}
.pill.active {
  background: var(--grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 16px rgba(79, 111, 255, 0.35);
}
.pill-count {
  background: rgba(0,0,0,0.25);
  border-radius: 999px;
  padding: 1px 7px;
  font-size: 0.75rem;
}
.pill.active .pill-count { background: rgba(255,255,255,0.2); }

/* Results info */
.results-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  font-size: 0.85rem;
  color: var(--text-3);
  flex-wrap: wrap;
  gap: 8px;
}
.last-updated {
  display: flex;
  align-items: center;
  gap: 5px;
}
.last-updated::before { content: "🤖"; font-size: 0.9em; }

/* ---- App Grid ---- */
.app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

/* ---- App Card ---- */
.app-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  overflow: hidden;
}
.app-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(79, 111, 255, 0.04), rgba(168, 85, 247, 0.04));
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: var(--radius);
  pointer-events: none;
}
.app-card:hover {
  background: var(--card-bg-h);
  border-color: rgba(79, 111, 255, 0.3);
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(79, 111, 255, 0.15);
}
.app-card:hover::before { opacity: 1; }

/* Card Top Row */
.card-top {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.app-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
  letter-spacing: -0.02em;
  text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  align-items: flex-start;
  margin-top: 2px;
  flex: 1;
  justify-content: flex-end;
}

/* Card Body */
.card-body { flex: 1; }
.app-name {
  font-size: 1.0rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 5px;
  line-height: 1.3;
  word-break: break-word;
}
.app-desc {
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Card Footer */
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.card-stats {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--text-3);
}
.stat-item {
  display: flex;
  align-items: center;
  gap: 3px;
}
.card-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.card-link-gh {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--text-2);
}
.card-link-gh:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text);
}
.card-link-demo {
  background: rgba(79, 111, 255, 0.1);
  border-color: rgba(79, 111, 255, 0.25);
  color: #818cf8;
}
.card-link-demo:hover {
  background: rgba(79, 111, 255, 0.2);
  color: #a5b4fc;
}
.card-link-play {
  background: rgba(52, 211, 153, 0.1);
  border-color: rgba(52, 211, 153, 0.25);
  color: var(--green);
}
.card-link-play:hover {
  background: rgba(52, 211, 153, 0.2);
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  white-space: nowrap;
  border: 1px solid transparent;
}

/* Language badges */
.lang-kotlin   { background: rgba(127, 82, 255, 0.15); color: #b39dff; border-color: rgba(127, 82, 255, 0.25); }
.lang-java     { background: rgba(237, 139, 0, 0.15);  color: #f9a825; border-color: rgba(237, 139, 0, 0.25); }
.lang-python   { background: rgba(55, 118, 171, 0.15); color: #5ba3d0; border-color: rgba(55, 118, 171, 0.25); }
.lang-javascript { background: rgba(247, 223, 30, 0.12); color: #fde047; border-color: rgba(247, 223, 30, 0.25); }
.lang-typescript { background: rgba(49, 120, 198, 0.15); color: #60a5fa; border-color: rgba(49, 120, 198, 0.25); }
.lang-html     { background: rgba(227, 76, 38, 0.15);  color: #f97316; border-color: rgba(227, 76, 38, 0.25); }
.lang-css      { background: rgba(21, 114, 182, 0.15); color: #60a5fa; border-color: rgba(21, 114, 182, 0.25); }
.lang-c        { background: rgba(168, 185, 204, 0.12); color: #94a3b8; border-color: rgba(168, 185, 204, 0.2); }
.lang-default  { background: rgba(255, 255, 255, 0.07); color: var(--text-3); border-color: rgba(255, 255, 255, 0.1); }

/* Category badges */
.cat-android { background: rgba(76, 175, 80, 0.12);  color: #86efac; border-color: rgba(76, 175, 80, 0.2); }
.cat-web     { background: rgba(34, 211, 238, 0.1);  color: var(--cyan); border-color: rgba(34, 211, 238, 0.2); }
.cat-ai      { background: rgba(168, 85, 247, 0.12); color: #d8b4fe; border-color: rgba(168, 85, 247, 0.2); }
.cat-python  { background: rgba(251, 191, 36, 0.1);  color: var(--yellow); border-color: rgba(251, 191, 36, 0.2); }
.cat-game    { background: rgba(248, 113, 113, 0.1); color: var(--red); border-color: rgba(248, 113, 113, 0.2); }
.cat-iot     { background: rgba(100, 116, 139, 0.15); color: #94a3b8; border-color: rgba(100, 116, 139, 0.2); }
.cat-other   { background: rgba(255, 255, 255, 0.06); color: var(--text-3); border-color: rgba(255,255,255,0.1); }

/* ---- Skeleton Loader ---- */
.skeleton-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 20px;
  height: 200px;
  overflow: hidden;
  position: relative;
}
.skeleton-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.04) 50%, transparent 100%);
  animation: shimmer 1.6s infinite;
}
@keyframes shimmer {
  from { transform: translateX(-100%); }
  to   { transform: translateX(100%); }
}

/* ---- Empty State ---- */
.empty-state {
  text-align: center;
  padding: 80px 24px;
  color: var(--text-2);
}
.empty-icon { font-size: 3rem; margin-bottom: 16px; }
.empty-state h3 { font-size: 1.3rem; margin-bottom: 8px; color: var(--text); }
.empty-state p { color: var(--text-3); }

/* ---- Footer ---- */
.footer {
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 48px 24px 32px;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.footer-logo {
  font-size: 1.1rem;
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 8px;
}
.footer-tagline { font-size: 0.875rem; color: var(--text-3); }
.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 0.875rem;
  color: var(--text-2);
  font-weight: 500;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--text); }

.footer-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.07);
  margin-bottom: 24px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-updated { font-size: 0.8rem; color: var(--text-3); }
.footer-coffee { padding: 10px 18px; font-size: 0.82rem; }

/* ---- Card Fade-in ---- */
@keyframes cardIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.app-card {
  animation: cardIn 0.4s ease both;
}

/* ---- Responsive ---- */
@media (max-width: 1100px) {
  .app-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .nav-search-wrap { display: block; }
  .hero-inner { flex-direction: column; align-items: flex-start; gap: 24px; }
  .hero-avatar { width: 80px; height: 80px; }
}
@media (max-width: 640px) {
  .app-grid { grid-template-columns: 1fr; }
  .hero { padding-top: calc(var(--nav-h) + 40px); }
  .hero-ctas .btn-ghost { display: none; }
  .nav-links .nav-link { display: none; }
  .footer-top { flex-direction: column; }
}
@media (min-width: 901px) {
  .nav-search-wrap { display: block; }
}