/* =====================================================
   CONTAINERS & COFFEE — Design System & Styles
   containersandcoffee.tech
   ===================================================== */

/* 1. FONTS */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,800;1,400;1,600&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* 2. CSS RESET */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

img, video { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font: inherit; }
a { text-decoration: none; }
ul, ol { list-style: none; }

/* 3. DESIGN TOKENS — Dark Mode (Default) */
:root {
  /* Base Colors */
  --espresso:      #150800;
  --roast:         #1E0D05;
  --dark-roast:    #2C1810;
  --medium-roast:  #3D2314;
  --caramel:       #C68642;
  --golden:        #E8A838;
  --amber:         #F5C060;
  --latte:         #F0DEC8;
  --cream:         #FFF8F0;
  --muted-warm:    #9B7B5A;
  --muted-light:   #B8A090;

  /* Semantic tokens */
  --bg:            var(--espresso);
  --bg-surface:    var(--roast);
  --bg-card:       var(--dark-roast);
  --bg-card-hover: var(--medium-roast);
  --text-primary:  var(--latte);
  --text-secondary:#B8A090;
  --text-muted:    #7A6050;
  --accent:        var(--caramel);
  --accent-hover:  var(--golden);
  --border:        rgba(198, 134, 66, 0.15);
  --border-subtle: rgba(255, 255, 255, 0.06);

  /* Typography */
  --font-heading:  'Playfair Display', Georgia, serif;
  --font-body:     'Inter', system-ui, sans-serif;
  --font-mono:     'JetBrains Mono', 'Courier New', monospace;

  /* Spacing scale */
  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-5:  1.25rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;

  /* Border radius */
  --r-sm:  6px;
  --r-md:  12px;
  --r-lg:  20px;
  --r-xl:  32px;
  --r-full: 9999px;

  /* Shadows */
  --shadow-sm:    0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:    0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg:    0 12px 40px rgba(0,0,0,0.6);
  --shadow-xl:    0 24px 80px rgba(0,0,0,0.7);
  --glow-accent:  0 0 60px rgba(198, 134, 66, 0.12);
  --glow-strong:  0 0 40px rgba(198, 134, 66, 0.25);

  /* Transitions */
  --trans-fast:   0.15s ease;
  --trans-base:   0.25s ease;
  --trans-slow:   0.4s ease;

  /* Layout */
  --container:    1200px;
  --container-sm: 760px;
  --nav-h:        72px;
}

/* 4. LIGHT MODE */
[data-theme="light"] {
  --bg:            #FFF8F0;
  --bg-surface:    #FFF1E6;
  --bg-card:       #FFFFFF;
  --bg-card-hover: #FFF8F0;
  --text-primary:  #1C0A00;
  --text-secondary:#5C3D1E;
  --text-muted:    #9B7B5A;
  --border:        rgba(198, 134, 66, 0.25);
  --border-subtle: rgba(0,0,0,0.06);
  --shadow-sm:    0 2px 8px rgba(60,20,0,0.08);
  --shadow-md:    0 4px 20px rgba(60,20,0,0.12);
  --shadow-lg:    0 12px 40px rgba(60,20,0,0.16);
  --shadow-xl:    0 24px 80px rgba(60,20,0,0.2);
  --glow-accent:  0 0 60px rgba(198, 134, 66, 0.08);
}

/* 5. BASE STYLES */
body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  transition: background-color var(--trans-slow), color var(--trans-slow);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--text-primary);
}

p { color: var(--text-secondary); }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

.container-sm {
  width: 100%;
  max-width: var(--container-sm);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

/* 6. SCROLLBAR */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--medium-roast); border-radius: var(--r-full); }
::-webkit-scrollbar-thumb:hover { background: var(--caramel); }

/* 7. NAVBAR */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background-color var(--trans-base), backdrop-filter var(--trans-base), border-bottom var(--trans-base);
}

.navbar.scrolled {
  background-color: rgba(21, 8, 0, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
}

[data-theme="light"] .navbar.scrolled {
  background-color: rgba(255, 248, 240, 0.88);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: color var(--trans-fast);
}

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

.nav-logo-icon {
  font-size: 1.5rem;
  animation: gentleFloat 4s ease-in-out infinite;
}

@keyframes gentleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.nav-logo-text span:first-child {
  font-size: 1.05rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--latte), var(--caramel));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-logo-text span:last-child {
  font-size: 0.65rem;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  -webkit-text-fill-color: var(--text-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  transition: color var(--trans-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--trans-base);
  transform-origin: left;
}

.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active { color: var(--accent); }
.nav-link.active::after { transform: scaleX(1); }

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--r-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all var(--trans-base);
}

.theme-toggle:hover {
  background: var(--bg-card-hover);
  color: var(--accent);
  border-color: var(--accent);
  transform: rotate(20deg);
}

/* 8. HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(198,134,66,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 20% 80%, rgba(198,134,66,0.04) 0%, transparent 50%),
    var(--bg);
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--caramel);
  opacity: 0;
  animation: particleFade var(--duration, 6s) ease-in-out var(--delay, 0s) infinite;
}

@keyframes particleFade {
  0% { opacity: 0; transform: translateY(0) scale(1); }
  50% { opacity: 0.15; }
  100% { opacity: 0; transform: translateY(-80px) scale(0.5); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: var(--sp-20) 0 var(--sp-16);
}

/* Coffee Animation Widget */
.coffee-widget {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--sp-12);
}

.steam-container {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 60px;
  margin-bottom: -8px;
}

.steam-wisp {
  width: 3px;
  border-radius: var(--r-full);
  background: linear-gradient(to top, rgba(240,222,200,0.7), transparent);
  filter: blur(1.5px);
  animation: steamRise var(--dur, 2.5s) ease-in-out var(--dly, 0s) infinite;
  transform-origin: bottom center;
}

.steam-wisp:nth-child(1) { height: 48px; --dur: 2.2s; --dly: 0s; }
.steam-wisp:nth-child(2) { height: 60px; --dur: 2.8s; --dly: 0.4s; }
.steam-wisp:nth-child(3) { height: 40px; --dur: 2.4s; --dly: 0.8s; }
.steam-wisp:nth-child(4) { height: 55px; --dur: 2.6s; --dly: 1.2s; }
.steam-wisp:nth-child(5) { height: 44px; --dur: 2.3s; --dly: 0.6s; }

@keyframes steamRise {
  0%   { transform: translateY(0) scaleX(1) rotate(-2deg); opacity: 0.8; }
  30%  { transform: translateY(-15px) scaleX(1.3) rotate(4deg); opacity: 0.6; }
  70%  { transform: translateY(-35px) scaleX(0.8) rotate(-3deg); opacity: 0.2; }
  100% { transform: translateY(-60px) scaleX(0.4) rotate(2deg); opacity: 0; }
}

.coffee-cup-emoji {
  font-size: 4rem;
  filter: drop-shadow(0 8px 24px rgba(198,134,66,0.3));
  animation: cupFloat 5s ease-in-out infinite;
}

@keyframes cupFloat {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-6px) rotate(2deg); }
}

.hero-tagline {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--caramel);
  font-weight: 500;
  margin-bottom: var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  justify-content: center;
}

.hero-tagline::before, .hero-tagline::after {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--caramel);
  opacity: 0.5;
}

.hero-title {
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--sp-6);
  line-height: 1.1;
  background: linear-gradient(135deg, var(--latte) 0%, var(--caramel) 50%, var(--latte) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.hero-subtitle {
  font-size: 1.1rem;
  text-align: center;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto var(--sp-10);
  line-height: 1.8;
}

.hero-cta-group {
  display: flex;
  gap: var(--sp-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* 9. BUTTONS */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-8);
  background: var(--caramel);
  color: var(--espresso);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--r-full);
  transition: all var(--trans-base);
  border: 2px solid var(--caramel);
  letter-spacing: 0.02em;
}

.btn-primary:hover {
  background: var(--golden);
  border-color: var(--golden);
  transform: translateY(-2px);
  box-shadow: var(--glow-strong), 0 8px 24px rgba(0,0,0,0.3);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-8);
  background: transparent;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: var(--r-full);
  border: 2px solid var(--border);
  transition: all var(--trans-base);
  letter-spacing: 0.02em;
}

.btn-outline:hover {
  border-color: var(--caramel);
  color: var(--caramel);
  transform: translateY(-2px);
}

/* 10. FEATURED POST STRIP */
.featured-strip {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--sp-8) var(--sp-10);
  margin-top: var(--sp-16);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-10);
  align-items: center;
  box-shadow: var(--shadow-lg), var(--glow-accent);
  transition: box-shadow var(--trans-base);
  position: relative;
  overflow: hidden;
}

.featured-strip::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--caramel), transparent);
}

.featured-strip:hover {
  box-shadow: var(--shadow-xl), var(--glow-strong);
}

.featured-cover {
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
  position: relative;
}

.featured-cover-bg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  position: relative;
}

.featured-cover-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.2) 0%, transparent 50%);
}

.featured-meta { display: flex; flex-direction: column; gap: var(--sp-4); }

.featured-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--caramel);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.featured-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--caramel);
  border-radius: 1px;
}

.featured-title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  transition: color var(--trans-fast);
}

.featured-strip:hover .featured-title { color: var(--accent); }

.featured-excerpt {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.featured-info {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.post-author {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.author-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--dark-roast), var(--medium-roast));
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--caramel);
  flex-shrink: 0;
}

.post-dot { color: var(--text-muted); }

.post-date, .post-read-time {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* 11. SECTION */
.blog-section {
  padding: var(--sp-20) 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--sp-10);
  flex-wrap: wrap;
  gap: var(--sp-6);
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--caramel);
  margin-bottom: var(--sp-2);
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

/* 12. CATEGORY FILTERS */
.category-filters {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--sp-2) var(--sp-5);
  border-radius: var(--r-full);
  font-size: 0.82rem;
  font-weight: 500;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  transition: all var(--trans-base);
  cursor: pointer;
}

.filter-btn:hover {
  border-color: var(--caramel);
  color: var(--caramel);
  background: rgba(198,134,66,0.06);
}

.filter-btn.active {
  background: var(--caramel);
  color: var(--espresso);
  border-color: var(--caramel);
  font-weight: 600;
}

/* 13. BLOG GRID */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

/* 14. POST CARD */
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all var(--trans-base);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.post-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border);
}

.post-card-cover {
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
  overflow: hidden;
}

.post-card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,0.5));
}

.post-card-body {
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  flex: 1;
}

.post-category-pill {
  display: inline-flex;
  align-items: center;
  padding: 3px var(--sp-3);
  border-radius: var(--r-full);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 1px solid;
  width: fit-content;
  transition: all var(--trans-fast);
}

.cat-docker    { color: #4BB4D9; border-color: rgba(75,180,217,0.3); background: rgba(75,180,217,0.08); }
.cat-kubernetes{ color: #9B7AFF; border-color: rgba(155,122,255,0.3); background: rgba(155,122,255,0.08); }
.cat-devops    { color: #4ECFB5; border-color: rgba(78,207,181,0.3); background: rgba(78,207,181,0.08); }
.cat-coffee-life { color: var(--caramel); border-color: rgba(198,134,66,0.3); background: rgba(198,134,66,0.08); }
.cat-default   { color: var(--muted-light); border-color: rgba(184,160,144,0.3); background: rgba(184,160,144,0.08); }

.post-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  transition: color var(--trans-fast);
}

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

.post-card-excerpt {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}

.post-card-footer .post-author { flex: 1; }

.read-more-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-card-hover);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all var(--trans-base);
}

.post-card:hover .read-more-arrow {
  background: var(--caramel);
  color: var(--espresso);
  border-color: var(--caramel);
  transform: translateX(3px);
}

/* Empty state */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--sp-16) 0;
  color: var(--text-muted);
}

.empty-state-icon { font-size: 3rem; margin-bottom: var(--sp-4); }

/* 15. NEWSLETTER SECTION */
.newsletter-section {
  padding: var(--sp-20) 0;
  position: relative;
}

.newsletter-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--sp-16) var(--sp-10);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--glow-accent);
}

.newsletter-card::before {
  content: '';
  position: absolute;
  top: -60px; left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(198,134,66,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.newsletter-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--caramel), transparent);
}

.newsletter-emoji {
  font-size: 2.5rem;
  margin-bottom: var(--sp-4);
  display: block;
}

.newsletter-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: var(--sp-4);
}

.newsletter-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto var(--sp-8);
  line-height: 1.7;
}

.newsletter-form {
  display: flex;
  gap: var(--sp-3);
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.newsletter-input {
  flex: 1;
  min-width: 240px;
  padding: var(--sp-3) var(--sp-6);
  background: var(--bg-surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-full);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--trans-fast);
}

.newsletter-input::placeholder { color: var(--text-muted); }
.newsletter-input:focus { border-color: var(--caramel); }

/* 16. FOOTER */
.footer {
  background: var(--roast);
  border-top: 1px solid var(--border-subtle);
  padding: var(--sp-16) 0 var(--sp-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-10);
  margin-bottom: var(--sp-12);
}

.footer-brand {}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}

.footer-logo-text {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--latte), var(--caramel));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-tagline {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: var(--sp-6);
}

.footer-social {
  display: flex;
  gap: var(--sp-3);
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--r-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all var(--trans-base);
}

.social-link:hover {
  background: var(--caramel);
  color: var(--espresso);
  border-color: var(--caramel);
  transform: translateY(-2px);
}

.footer-col-title {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--sp-5);
}

.footer-links { display: flex; flex-direction: column; gap: var(--sp-3); }

.footer-link {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--trans-fast);
}

.footer-link:hover { color: var(--caramel); }

.footer-bottom {
  padding-top: var(--sp-6);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-copy span { color: var(--caramel); }

/* 17. POST PAGE */
.post-hero {
  padding-top: var(--nav-h);
  padding-bottom: var(--sp-16);
  position: relative;
  overflow: hidden;
}

.post-hero-bg {
  position: absolute;
  inset: 0;
  opacity: 0.6;
}

.post-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, var(--bg) 100%);
}

.post-hero-inner {
  position: relative;
  z-index: 1;
  padding-top: var(--sp-16);
  text-align: center;
}

.post-hero-category { margin-bottom: var(--sp-5); }

.post-hero-title {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  max-width: 780px;
  margin: 0 auto var(--sp-6);
}

.post-hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-5);
  flex-wrap: wrap;
}

.post-hero-author { justify-content: center; }
.post-hero-author .author-avatar { width: 36px; height: 36px; font-size: 0.8rem; }
.post-hero-author .author-name { font-weight: 500; color: var(--text-primary); }

/* Article Content */
.article-wrapper {
  max-width: var(--container-sm);
  margin: 0 auto;
  padding: var(--sp-12) var(--sp-6) var(--sp-20);
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.article-content h2 {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: var(--sp-12) 0 var(--sp-5);
  padding-top: var(--sp-4);
}

.article-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: var(--sp-8) 0 var(--sp-4);
}

.article-content p { margin-bottom: var(--sp-6); }

.article-content strong { color: var(--text-primary); font-weight: 600; }

.article-content a { color: var(--caramel); transition: color var(--trans-fast); }
.article-content a:hover { color: var(--golden); }

.article-content ul, .article-content ol {
  margin: var(--sp-4) 0 var(--sp-6) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }

.article-content li { color: var(--text-secondary); }

.article-content blockquote {
  border-left: 3px solid var(--caramel);
  padding: var(--sp-4) var(--sp-6);
  margin: var(--sp-8) 0;
  background: rgba(198,134,66,0.05);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-style: italic;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--text-primary);
}

.article-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 2px 8px;
  border-radius: var(--r-sm);
  color: var(--caramel);
}

.article-content pre {
  background: #0D0705;
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: var(--sp-6);
  overflow-x: auto;
  margin: var(--sp-6) 0;
  position: relative;
}

.article-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: #E8D5BC;
  font-size: 0.88rem;
  line-height: 1.7;
  white-space: pre;
}

.pre-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #0D0705;
  border: 1px solid var(--border-subtle);
  border-bottom: none;
  border-radius: var(--r-md) var(--r-md) 0 0;
  padding: var(--sp-3) var(--sp-6);
  margin-top: var(--sp-6);
}

.pre-dots {
  display: flex;
  gap: 6px;
}

.pre-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.pre-dot-red   { background: #FF5F57; }
.pre-dot-yellow{ background: #FFBD2E; }
.pre-dot-green { background: #28C841; }

.pre-lang {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* Post Tags */
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-12);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--border-subtle);
}

.post-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-1) var(--sp-4);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-full);
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: all var(--trans-fast);
}

.post-tag::before { content: '#'; margin-right: 2px; color: var(--caramel); }
.post-tag:hover { border-color: var(--caramel); color: var(--caramel); }

/* Back link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: all var(--trans-fast);
  margin-bottom: var(--sp-8);
}

.back-link:hover { color: var(--caramel); gap: var(--sp-3); }

/* 18. ABOUT PAGE */
.about-hero {
  padding: calc(var(--nav-h) + var(--sp-16)) 0 var(--sp-16);
  text-align: center;
  position: relative;
}

.about-avatar-large {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--dark-roast), var(--medium-roast));
  border: 3px solid var(--caramel);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--caramel);
  margin: 0 auto var(--sp-6);
  font-family: var(--font-heading);
  box-shadow: 0 0 0 8px rgba(198,134,66,0.08), var(--shadow-lg);
}

.about-hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--sp-4);
}

.about-hero-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto var(--sp-8);
}

.about-section {
  padding: var(--sp-16) 0;
  border-top: 1px solid var(--border-subtle);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: start;
}

.about-prose { font-size: 1rem; line-height: 1.8; }
.about-prose h2 { margin-bottom: var(--sp-6); font-size: 1.8rem; }
.about-prose p { margin-bottom: var(--sp-5); color: var(--text-secondary); }

.skill-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: var(--sp-5);
  transition: all var(--trans-base);
}

.skill-card:hover {
  border-color: var(--border);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.skill-icon { font-size: 1.8rem; margin-bottom: var(--sp-2); }
.skill-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--sp-1);
}
.skill-desc { font-size: 0.78rem; color: var(--text-muted); }

.connect-section {
  padding: var(--sp-16) 0;
  text-align: center;
  border-top: 1px solid var(--border-subtle);
}

/* 19. PAGE TRANSITIONS */
.page-content {
  animation: pageIn 0.5s ease both;
}

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

/* Scroll fade in */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* 20. DIVIDERS */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0;
}

/* 21. LOADING SKELETON */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: skeletonLoad 1.5s ease infinite;
  border-radius: var(--r-sm);
}

@keyframes skeletonLoad {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* 22. UTILITY */
.text-accent { color: var(--caramel); }
.text-muted  { color: var(--text-muted); }
.hidden { display: none !important; }

/* 23. RESPONSIVE */
@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-strip { grid-template-columns: 1fr; }
  .featured-cover { aspect-ratio: 21/9; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .blog-grid { grid-template-columns: 1fr; }
  .about-content { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .hero-title { font-size: 2.5rem; }
  .featured-strip { padding: var(--sp-6); }
  .newsletter-card { padding: var(--sp-10) var(--sp-6); }
  .skill-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  :root { --nav-h: 60px; }
  .container { padding: 0 var(--sp-4); }
  .coffee-cup-emoji { font-size: 3rem; }
  .hero-cta-group { flex-direction: column; align-items: center; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .newsletter-form { flex-direction: column; }
  .newsletter-input { min-width: unset; width: 100%; }
}