/* ============================================
   RANDROID.DEV — Portfolio Styles
   ============================================ */

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

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --text-primary: #e8e8ed;
  --text-secondary: #9898a8;
  --text-muted: #5c5c6e;
  --accent: #e74c3c;
  --accent-glow: #ff6b6b;
  --accent-secondary: #00cec9;
  --accent-warm: #fd79a8;
  --accent-gold: #fdcb6e;
  --border: #2a2a3a;
  --border-subtle: #1e1e2e;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(231, 76, 60, 0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-glow);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-secondary);
}

/* --- Noise Overlay --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: transform 0.4s ease, background 0.3s ease;
}

.nav.hidden {
  transform: translateY(-100%);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-secondary);
  transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(231, 76, 60, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(231, 76, 60, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 8s ease-in-out infinite;
}

.hero-orb-1 {
  width: 400px;
  height: 400px;
  background: var(--accent);
  top: 10%;
  left: 15%;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 300px;
  height: 300px;
  background: var(--accent-secondary);
  bottom: 20%;
  right: 10%;
  animation-delay: -3s;
}

.hero-orb-3 {
  width: 200px;
  height: 200px;
  background: var(--accent-warm);
  top: 60%;
  left: 50%;
  animation-delay: -5s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(231, 76, 60, 0.1);
  border: 1px solid rgba(231, 76, 60, 0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--accent-glow);
  font-family: var(--font-mono);
  margin-bottom: 2rem;
  animation: fadeInUp 0.8s ease forwards;
  opacity: 0;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease 0.15s forwards;
  opacity: 0;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--accent-glow), var(--accent-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
  animation: fadeInUp 0.8s ease 0.3s forwards;
  opacity: 0;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  justify-content: center;
  animation: fadeInUp 0.8s ease 0.45s forwards;
  opacity: 0;
}

.hero-stat {
  text-align: center;
}

.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.hero-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

.hero-scroll-cue {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  animation: fadeInUp 0.8s ease 0.6s forwards, bounce 2s ease-in-out 1.5s infinite;
  opacity: 0;
}

.hero-scroll-cue span {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Section Layout --- */
.section {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* --- Divider --- */
.section-divider {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-divider hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* --- Playable Project Cards --- */
.playable-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

.playable-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.playable-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.playable-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.playable-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-subtle);
}

.playable-card-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.playable-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.playable-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.playable-card-tagline {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

.playable-card-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.btn-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 1rem;
}

.btn-icon:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--accent);
}

.playable-card-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #000;
}

.playable-card-embed iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.embed-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
  cursor: pointer;
  transition: background var(--transition);
  z-index: 2;
}

.embed-placeholder:hover {
  background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
}

.embed-placeholder .play-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(231, 76, 60, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}

.embed-placeholder:hover .play-btn {
  transform: scale(1.1);
  box-shadow: 0 0 50px rgba(231, 76, 60, 0.6);
}

.play-btn svg {
  width: 28px;
  height: 28px;
  fill: white;
  margin-left: 3px;
}

.embed-placeholder .embed-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.playable-card-footer {
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tech-tag {
  padding: 0.25rem 0.7rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  font-weight: 500;
  background: rgba(231, 76, 60, 0.1);
  color: var(--accent-glow);
  border: 1px solid rgba(231, 76, 60, 0.15);
}

.tech-tag.teal {
  background: rgba(0, 206, 201, 0.1);
  color: var(--accent-secondary);
  border-color: rgba(0, 206, 201, 0.15);
}

.tech-tag.pink {
  background: rgba(253, 121, 168, 0.1);
  color: var(--accent-warm);
  border-color: rgba(253, 121, 168, 0.15);
}

.tech-tag.gold {
  background: rgba(253, 203, 110, 0.1);
  color: var(--accent-gold);
  border-color: rgba(253, 203, 110, 0.15);
}

/* --- Story Cards (Dev Tools) --- */
.tools-section {
  background: var(--bg-secondary);
  padding: 6rem 0;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.story-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  cursor: default;
  opacity: 0;
  transform: translateY(30px);
}

.story-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

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

.story-card.visible:hover {
  transform: translateY(-4px);
}

.story-card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, var(--accent) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.story-card:hover .story-card-glow {
  opacity: 0.03;
}

.story-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.story-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.story-card-stars {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--accent-gold);
  font-family: var(--font-mono);
}

.story-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.story-card-narrative {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.story-card-narrative .highlight {
  color: var(--accent-glow);
  font-weight: 600;
}

.story-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.story-card-lang {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.lang-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.story-card-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-glow);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--transition);
}

.story-card-link:hover {
  gap: 0.7rem;
}

/* Language colors */
.lang-python { background: #3572A5; }
.lang-swift { background: #F05138; }
.lang-typescript { background: #3178C6; }
.lang-csharp { background: #68217A; }
.lang-cpp { background: #f34b7d; }
.lang-shell { background: #89e051; }
.lang-html { background: #e34c26; }

/* --- Featured Banner --- */
.featured-banner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.featured-inner {
  background: linear-gradient(135deg, rgba(231, 76, 60, 0.15), rgba(0, 206, 201, 0.1));
  border: 1px solid rgba(231, 76, 60, 0.25);
  border-radius: var(--radius-lg);
  padding: 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.featured-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(231, 76, 60, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(231, 76, 60, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}

.featured-inner > * {
  position: relative;
  z-index: 1;
}

.featured-inner h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.featured-inner p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  background: var(--accent);
  color: white;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: transform var(--transition), box-shadow var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(231, 76, 60, 0.35);
  color: white;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 2rem;
  text-align: center;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.footer-links {
  display: flex;
  gap: 1.5rem;
}

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

.footer-links a:hover {
  color: var(--text-primary);
}

/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* --- Mobile Menu --- */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-size: 1.5rem;
  color: var(--text-secondary);
  font-weight: 600;
  transition: color var(--transition);
}

.mobile-menu a:hover {
  color: var(--text-primary);
}

.mobile-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 2rem;
  cursor: pointer;
}

/* --- Blog Timeline --- */
.blog-section {
  padding-bottom: 4rem;
}

.blog-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.blog-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 53px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--border), transparent);
}

.blog-card {
  display: flex;
  gap: 2rem;
  padding: 2rem 0;
  cursor: pointer;
  position: relative;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.blog-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.blog-card + .blog-card {
  border-top: 1px solid var(--border-subtle);
}

.blog-card-date-col {
  flex-shrink: 0;
  width: 140px;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding-top: 0.35rem;
}

.blog-card-date-pip {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: var(--bg-primary);
  flex-shrink: 0;
  margin-top: 2px;
  position: relative;
  z-index: 2;
  transition: background var(--transition), box-shadow var(--transition);
}

.blog-card:hover .blog-card-date-pip {
  background: var(--accent);
  box-shadow: 0 0 12px rgba(231, 76, 60, 0.5);
}

.blog-card-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.blog-card-body {
  flex: 1;
  min-width: 0;
}

.blog-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.35;
  margin-bottom: 0.75rem;
  transition: color var(--transition);
}

.blog-card:hover .blog-card-title {
  color: var(--accent-glow);
}

.blog-card-excerpt {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.blog-card-read-time {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.blog-card-cta {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-glow);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--transition);
}

.blog-card:hover .blog-card-cta {
  gap: 0.7rem;
}

.blog-card-cta .arrow {
  transition: transform var(--transition);
}

.blog-card:hover .blog-card-cta .arrow {
  transform: translateX(2px);
}

/* --- Blog Reader Overlay --- */
.blog-reader {
  position: fixed;
  inset: 0;
  z-index: 2000;
  pointer-events: none;
  visibility: hidden;
}

.blog-reader.open {
  pointer-events: auto;
  visibility: visible;
}

.blog-reader-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.blog-reader.open .blog-reader-backdrop {
  opacity: 1;
}

.blog-reader-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 720px;
  height: 100%;
  background: var(--bg-primary);
  border-left: 1px solid var(--border);
  transform: translateX(100%);
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.blog-reader.open .blog-reader-panel {
  transform: translateX(0);
}

.blog-reader-header {
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.blog-reader-close {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.4rem 1rem;
  border-radius: 8px;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.blog-reader-close:hover {
  color: var(--text-primary);
  border-color: var(--accent);
  background: var(--bg-card);
}

.blog-reader-scroll {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.blog-reader-scroll::-webkit-scrollbar {
  width: 6px;
}

.blog-reader-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.blog-reader-scroll::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.blog-reader-content {
  padding: 3rem 2.5rem 4rem;
  max-width: 100%;
}

/* --- Blog Reader Typography --- */
.blog-reader-content time {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.blog-reader-content h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-subtle);
}

.blog-reader-content h2 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.blog-reader-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.blog-reader-content p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.85;
  margin-bottom: 1.25rem;
}

.blog-reader-content em {
  font-style: italic;
  color: var(--text-primary);
}

.blog-reader-content strong {
  font-weight: 700;
  color: var(--text-primary);
}

.blog-reader-content ol,
.blog-reader-content ul {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.85;
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.blog-reader-content li {
  margin-bottom: 0.75rem;
}

.blog-reader-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: rgba(231, 76, 60, 0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 1.05rem;
  color: var(--text-primary);
  line-height: 1.75;
}

.blog-reader-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(231, 76, 60, 0.1);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  color: var(--accent-glow);
}

/* --- Blog Images --- */
.blog-hero-img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 2rem;
}

.blog-inline-img {
  width: 100%;
  max-height: 350px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  margin: 1.5rem 0;
}

.blog-card-thumb {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  transition: transform var(--transition), opacity var(--transition);
}

.blog-card:hover .blog-card-thumb {
  transform: scale(1.02);
  opacity: 0.9;
}

/* Blog content reveal animation */
.blog-reader-content > * {
  opacity: 0;
  transform: translateY(12px);
  animation: none;
}

.blog-reader.open .blog-reader-content > * {
  animation: blogReveal 0.5s ease forwards;
}

.blog-reader.open .blog-reader-content > *:nth-child(1) { animation-delay: 0.15s; }
.blog-reader.open .blog-reader-content > *:nth-child(2) { animation-delay: 0.2s; }
.blog-reader.open .blog-reader-content > *:nth-child(3) { animation-delay: 0.25s; }
.blog-reader.open .blog-reader-content > *:nth-child(4) { animation-delay: 0.28s; }
.blog-reader.open .blog-reader-content > *:nth-child(5) { animation-delay: 0.31s; }
.blog-reader.open .blog-reader-content > *:nth-child(6) { animation-delay: 0.34s; }
.blog-reader.open .blog-reader-content > *:nth-child(7) { animation-delay: 0.37s; }
.blog-reader.open .blog-reader-content > *:nth-child(8) { animation-delay: 0.40s; }
.blog-reader.open .blog-reader-content > *:nth-child(9) { animation-delay: 0.43s; }
.blog-reader.open .blog-reader-content > *:nth-child(10) { animation-delay: 0.46s; }
.blog-reader.open .blog-reader-content > *:nth-child(n+11) { animation-delay: 0.48s; }

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

/* --- Floating Feedback Button --- */
.fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 3000;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid rgba(231, 76, 60, 0.4);
  background: var(--accent);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(231, 76, 60, 0.4);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease, background 0.3s ease;
}

.fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(231, 76, 60, 0.55);
}

.fab:active {
  transform: scale(0.95);
}

.fab-icon {
  width: 24px;
  height: 24px;
  position: absolute;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.fab-icon-msg {
  opacity: 1;
  transform: scale(1);
}

.fab-icon-close {
  opacity: 0;
  transform: scale(0.5) rotate(-90deg);
}

.fab.open .fab-icon-msg {
  opacity: 0;
  transform: scale(0.5) rotate(90deg);
}

.fab.open .fab-icon-close {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

.fab.open {
  background: var(--bg-card);
  border-color: var(--border);
  box-shadow: var(--shadow);
}

/* --- Feedback Panel --- */
.feedback-panel {
  position: fixed;
  bottom: 6rem;
  right: 2rem;
  z-index: 2999;
  width: 360px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5), 0 0 40px rgba(231, 76, 60, 0.08);
  opacity: 0;
  transform: translateY(16px) scale(0.95);
  transform-origin: bottom right;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feedback-panel.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.feedback-header {
  padding: 1.25rem 1.5rem 0.75rem;
}

.feedback-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.feedback-form {
  padding: 0 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feedback-input,
.feedback-textarea {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
}

.feedback-input::placeholder,
.feedback-textarea::placeholder {
  color: var(--text-muted);
}

.feedback-input:focus,
.feedback-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.15);
}

.feedback-textarea {
  min-height: 100px;
  max-height: 200px;
}

.feedback-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition), background var(--transition);
}

.feedback-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(231, 76, 60, 0.35);
}

.feedback-submit:active {
  transform: translateY(0);
}

.feedback-submit:disabled {
  cursor: not-allowed;
  opacity: 0.8;
}

.feedback-submit-sending {
  display: none;
}

.feedback-submit.sending .feedback-submit-label,
.feedback-submit.sending .feedback-submit-arrow {
  display: none;
}

.feedback-submit.sending .feedback-submit-sending {
  display: inline;
}

.feedback-submit.error {
  background: #e74c3c;
}

.feedback-hint {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.4;
}

/* --- Feedback Success State --- */
.feedback-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem 2.5rem;
  text-align: center;
}

.feedback-success.visible {
  display: flex;
}

.feedback-success-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0, 206, 201, 0.15);
  border: 2px solid var(--accent-secondary);
  color: var(--accent-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.feedback-success-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.feedback-success-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
  }

  .hero-stats {
    gap: 1.5rem;
  }

  .hero-stat-number {
    font-size: 1.5rem;
  }

  .playable-card-header {
    flex-direction: column;
    gap: 1rem;
  }

  .playable-card-actions {
    align-self: flex-start;
  }

  .playable-card-embed {
    aspect-ratio: 4 / 3;
  }

  .tools-grid {
    grid-template-columns: 1fr;
  }

  .blog-timeline::before {
    left: 5px;
  }

  .blog-card {
    flex-direction: column;
    gap: 0.75rem;
    padding-left: 2rem;
  }

  .blog-card-date-col {
    width: auto;
  }

  .blog-card-date-pip {
    position: absolute;
    left: 0;
  }

  .blog-reader-panel {
    max-width: 100%;
  }

  .blog-reader-content {
    padding: 2rem 1.5rem 3rem;
  }

  .featured-inner {
    padding: 2.5rem 1.5rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 1rem;
  }

  .section {
    padding: 4rem 1.25rem;
  }

  .tools-section {
    padding: 4rem 0;
  }

  .tools-grid {
    padding: 0 1.25rem;
  }

  .fab {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 50px;
    height: 50px;
  }

  .feedback-panel {
    right: 1.25rem;
    left: 1.25rem;
    bottom: 5rem;
    width: auto;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .playable-card-embed {
    aspect-ratio: 3 / 4;
  }

  .story-card {
    padding: 1.5rem;
  }
}