/* ==========================================
   Homepage — Nordic Geometric
   ========================================== */

.md-typeset h1 { display: none; }

/* ===== CSS Variables ===== */
:root {
  --ng-blue:       #5C7C8A;
  --ng-blue-dark:  #3A5663;
  --ng-sage:       #7A9B8A;
  --ng-sage-light: #B8D4C4;
  --ng-warm:       #D4C5B9;
  --ng-warm-dark:  #A89888;
  --ng-surface:    #F7F8F9;
  --ng-surface-h:  #EDF0F2;
  --ng-border:     #E5E9ED;
  --ng-text:       #2C3A47;
  --ng-text-sub:   #6B8299;
  --ng-text-fade:  #9AADBD;
  --ng-radius:     6px;
  --ng-radius-lg:  10px;
  --ng-trans:      0.25s cubic-bezier(0.4,0,0.2,1);
}

/* ===== Hero Banner ===== */
.hero-banner {
  position: relative;
  padding: 4.5rem 2.8rem;
  background: 
    radial-gradient(circle at 85% 20%, rgba(122,155,138,0.12) 0%, transparent 50%),
    radial-gradient(circle at 15% 80%, rgba(92,124,138,0.10) 0%, transparent 50%),
    linear-gradient(145deg, #F0F2F4 0%, #E8EBEE 100%);
  border-radius: var(--ng-radius-lg);
  margin-bottom: 2.5rem;
  overflow: hidden;
  color: var(--ng-text);
}

/* Geometric overlay — thin diagonal grid */
.hero-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(135deg, var(--ng-border) 1px, transparent 1px),
    linear-gradient(225deg, var(--ng-border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.35;
  pointer-events: none;
}
/* Decorative circle top-right */
.hero-banner::after {
  content: '';
  position: absolute;
  top: -80px;
  right: -60px;
  width: 220px;
  height: 220px;
  border: 1.5px solid var(--ng-border);
  border-radius: 50%;
  opacity: 0.5;
  pointer-events: none;
}

/* ===== Hero Topbar (above hero, two stacked scrolling bars) ===== */
.hero-topbar {
  margin-bottom: 1rem;
}

/* scrolling bars — uses original announce-bar pattern */
.announce-bar {
  overflow: hidden;
  white-space: nowrap;
  padding: 0.3rem 0;
}
.announce-track {
  display: flex;
  gap: 4rem;
  animation: marquee 18s linear infinite;
  white-space: nowrap;
  width: max-content;
}
.announce-item {
  color: var(--ng-text-sub);
  font-size: 0.72rem;
  flex-shrink: 0;
  font-weight: 500;
  letter-spacing: 0.3px;
}
@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.announce-bar:hover .announce-track {
  animation-play-state: paused;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 2.8rem;
  flex-wrap: wrap;
}

/* Avatar — geometric frame */
.hero-avatar-wrapper {
  flex-shrink: 0;
  position: relative;
}
.hero-avatar-ring {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, var(--ng-blue), var(--ng-sage));
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-avatar-ring::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--ng-border);
  opacity: 0.6;
}
.hero-avatar {
  width: 122px;
  height: 122px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  background: #fff;
}

.hero-text { flex: 1; min-width: 280px; }

.hero-greeting {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ng-text-sub);
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.hero-greeting-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ng-sage);
  display: inline-block;
}

.hero-name {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.15;
  color: var(--ng-text);
  margin-bottom: 0.5rem;
}

.hero-title {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.hero-title-tag {
  font-size: 0.8rem;
  padding: 0.25rem 0.7rem;
  border-radius: 4px;
  background: var(--ng-surface-h);
  color: var(--ng-text-sub);
  font-weight: 500;
  letter-spacing: 0.3px;
}

.hero-quote {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--ng-text-sub);
  padding-left: 0.8rem;
  border-left: 2px solid var(--ng-sage-light);
  margin-bottom: 1.3rem;
  max-width: 420px;
  line-height: 1.5;
}

.hero-buttons {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}
.hero-btn {
  padding: 0.65rem 1.5rem;
  border-radius: var(--ng-radius);
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--ng-trans);
  letter-spacing: 0.3px;
}
.hero-btn-primary {
  background: var(--ng-text);
  color: #fff !important;
}
.hero-btn-primary:hover {
  background: var(--ng-blue-dark);
  transform: translateY(-1px);
}
.hero-btn-secondary {
  background: transparent;
  color: var(--ng-text) !important;
  border: 1.5px solid var(--ng-border);
}
.hero-btn-secondary:hover {
  border-color: var(--ng-text-sub);
  background: var(--ng-surface);
}

/* ===== Stats Bar ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-bottom: 3rem;
  border: 1px solid var(--ng-border);
  border-radius: var(--ng-radius-lg);
  overflow: hidden;
  background: #fff;
}
.stat-card {
  text-align: center;
  padding: 1.8rem 1rem;
  position: relative;
  transition: background var(--ng-trans);
}
.stat-card:hover { background: var(--ng-surface); }
.stat-card + .stat-card { border-left: 1px solid var(--ng-border); }

.stat-icon { font-size: 1.4rem; margin-bottom: 0.4rem; }
.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--ng-text);
  line-height: 1.2;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--ng-text-sub);
  margin-top: 0.2rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===== Section Header ===== */
.section-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin: 3.5rem 0 1.5rem;
}
.section-header-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--ng-text-fade);
}
.section-header-line {
  flex: 1;
  height: 1px;
  background: var(--ng-border);
}
.section-header-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ng-text-fade);
  flex-shrink: 0;
}

/* ===== Card Grid ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--ng-border);
  border-radius: var(--ng-radius-lg);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: all var(--ng-trans);
  overflow: hidden;
}
.feature-card:hover {
  border-color: var(--ng-text-sub);
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}

.feature-card-head {
  padding: 1.5rem 1.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.feature-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--ng-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.feature-icon-wrap.blue   { background: #EDF2F7; }
.feature-icon-wrap.orange { background: #FDF2EB; }
.feature-icon-wrap.green  { background: #ECF8F0; }
.feature-icon-wrap.violet { background: #F4F0F9; }

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ng-text);
}

.card-body {
  padding: 0.8rem 1.5rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.card-desc {
  font-size: 0.85rem;
  color: var(--ng-text-sub);
  line-height: 1.6;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.8rem;
}
.card-tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--ng-text-fade);
}
.card-arrow {
  color: var(--ng-text-fade);
  font-size: 1rem;
  transition: transform var(--ng-trans);
}
.feature-card:hover .card-arrow { transform: translateX(3px); }

/* ===== Article List ===== */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--ng-border);
  border-radius: var(--ng-radius-lg);
  overflow: hidden;
  background: #fff;
  margin-bottom: 2rem;
}
.article-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: background var(--ng-trans);
}
.article-item + .article-item { border-top: 1px solid var(--ng-border); }
.article-item:hover { background: var(--ng-surface); }

.article-badge {
  width: 40px;
  height: 40px;
  border-radius: var(--ng-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.article-badge.red    { background: #FDF0ED; }
.article-badge.blue   { background: #EDF2F7; }
.article-badge.purple { background: #F4F0F9; }
.article-badge.green  { background: #ECF8F0; }

.article-content { flex: 1; min-width: 0; }
.article-title {
  font-weight: 600;
  font-size: 0.93rem;
  color: var(--ng-text);
  margin-bottom: 0.2rem;
}
.article-desc {
  font-size: 0.8rem;
  color: var(--ng-text-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.article-meta { flex-shrink: 0; }
.article-type {
  font-size: 0.7rem;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  background: var(--ng-surface);
  color: var(--ng-text-fade);
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* ===== Tech Chips ===== */
.tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}
.tech-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  border: 1px solid var(--ng-border);
  border-radius: 4px;
  background: var(--ng-surface);
  color: var(--ng-text-sub);
  font-weight: 500;
  transition: all var(--ng-trans);
}
.tech-chip:hover {
  border-color: var(--ng-text-sub);
  color: var(--ng-text);
  background: #fff;
}
.tech-chip-icon { font-size: 0.85rem; }

/* ===== Footer ===== */
.home-footer {
  text-align: center;
  padding: 3rem 1rem 2rem;
  color: var(--ng-text-sub);
}
.footer-quote {
  font-size: 0.95rem;
  font-style: italic;
  margin-bottom: 1.2rem;
  color: var(--ng-text-fade);
}
.footer-links {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
}
.footer-link {
  padding: 0.5rem 1rem;
  border: 1px solid var(--ng-border);
  border-radius: var(--ng-radius);
  font-size: 0.82rem;
  color: var(--ng-text-sub);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--ng-trans);
}
.footer-link:hover {
  border-color: var(--ng-text-sub);
  color: var(--ng-text);
  background: #fff;
}

/* ===============================
   Dark Mode
   =============================== */
[data-md-color-scheme="slate"] {
  --ng-surface:    #1E2228;
  --ng-surface-h:  #252930;
  --ng-border:     #2E323A;
  --ng-text:       #E2E6EA;
  --ng-text-sub:   #8B95A3;
  --ng-text-fade:  #5E6874;
}

[data-md-color-scheme="slate"] .hero-banner {
  background: 
    radial-gradient(circle at 85% 20%, rgba(122,155,138,0.08) 0%, transparent 50%),
    radial-gradient(circle at 15% 80%, rgba(92,124,138,0.06) 0%, transparent 50%),
    linear-gradient(145deg, #20242A 0%, #1A1E24 100%);
}
[data-md-color-scheme="slate"] .hero-banner::before {
  background-image: 
    linear-gradient(135deg, #2A2E36 1px, transparent 1px),
    linear-gradient(225deg, #2A2E36 1px, transparent 1px);
}

[data-md-color-scheme="slate"] .hero-banner::after { border-color: #2A2E36; }
[data-md-color-scheme="slate"] .hero-avatar-ring { background: linear-gradient(135deg, #5C7C8A, #7A9B8A); }
[data-md-color-scheme="slate"] .hero-avatar-ring::after { border-color: #2E323A; }
[data-md-color-scheme="slate"] .hero-quote { border-color: rgba(122,155,138,0.3); }
[data-md-color-scheme="slate"] .hero-btn-primary { background: var(--ng-text); color: #1A1E24 !important; }
[data-md-color-scheme="slate"] .hero-btn-primary:hover { background: #fff; color: #1A1E24 !important; }
[data-md-color-scheme="slate"] .hero-btn-secondary { border-color: #3A3E46; color: var(--ng-text) !important; }
[data-md-color-scheme="slate"] .hero-btn-secondary:hover { border-color: #5E6874; }
[data-md-color-scheme="slate"] .hero-title-tag { background: #252930; color: var(--ng-text-sub); }

[data-md-color-scheme="slate"] .stats-bar,
[data-md-color-scheme="slate"] .article-list { background: #20242A; border-color: var(--ng-border); }
[data-md-color-scheme="slate"] .stat-card + .stat-card,
[data-md-color-scheme="slate"] .article-item + .article-item { border-color: var(--ng-border); }
[data-md-color-scheme="slate"] .stat-card:hover { background: #252930; }
[data-md-color-scheme="slate"] .article-item:hover { background: #252930; }

[data-md-color-scheme="slate"] .feature-card,
[data-md-color-scheme="slate"] .footer-link,
[data-md-color-scheme="slate"] .tech-chip { background: #20242A; border-color: var(--ng-border); }
[data-md-color-scheme="slate"] .feature-card:hover,
[data-md-color-scheme="slate"] .footer-link:hover,
[data-md-color-scheme="slate"] .tech-chip:hover { background: #252930; border-color: #5E6874; }
[data-md-color-scheme="slate"] .tech-chip { color: var(--ng-text-sub); }
[data-md-color-scheme="slate"] .tech-chip:hover { color: var(--ng-text); }

[data-md-color-scheme="slate"] .feature-icon-wrap.blue   { background: #1E2630; }
[data-md-color-scheme="slate"] .feature-icon-wrap.orange { background: #261E18; }
[data-md-color-scheme="slate"] .feature-icon-wrap.green  { background: #1A241E; }
[data-md-color-scheme="slate"] .feature-icon-wrap.violet { background: #201C26; }
[data-md-color-scheme="slate"] .article-badge.red    { background: #261A18; }
[data-md-color-scheme="slate"] .article-badge.blue   { background: #1E2630; }
[data-md-color-scheme="slate"] .article-badge.purple { background: #201C26; }
[data-md-color-scheme="slate"] .article-badge.green  { background: #1A241E; }
[data-md-color-scheme="slate"] .article-type { background: #252930; }

[data-md-color-scheme="slate"] .feature-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

[data-md-color-scheme="slate"] .section-header-line { background: var(--ng-border); }
[data-md-color-scheme="slate"] .section-header-dot { background: #5E6874; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero-banner { padding: 2.5rem 1.5rem; }
  .hero-content { flex-direction: column; text-align: center; gap: 1.5rem; }
  .hero-avatar-ring { width: 100px; height: 100px; }
  .hero-avatar { width: 92px; height: 92px; }
  .hero-name { font-size: 1.8rem; }
  .hero-title { justify-content: center; }
  .hero-quote { margin: 0 auto; max-width: 100%; }
  .hero-buttons { justify-content: center; }
  
  .stats-bar { grid-template-columns: repeat(3, 1fr); }
  .stat-card:nth-child(n+4) { border-left: 1px solid var(--ng-border); border-top: 1px solid var(--ng-border); }
  .stat-card { padding: 1.2rem 0.8rem; }
  .stat-number { font-size: 1.4rem; }
  
  .card-grid { grid-template-columns: 1fr; }
  .article-item { padding: 0.9rem 1rem; }
  .article-title { font-size: 0.88rem; }
  .article-desc { font-size: 0.76rem; }
  
  .section-header { margin: 2.5rem 0 1rem; }
}

@media (max-width: 480px) {
  .hero-banner { padding: 2rem 1rem; }
  .hero-avatar-ring { width: 80px; height: 80px; }
  .hero-avatar { width: 72px; height: 72px; }
  .hero-name { font-size: 1.5rem; }
  .hero-quote { font-size: 0.8rem; }
  .hero-buttons { gap: 0.5rem; }
  .hero-btn { flex: 1; justify-content: center; padding: 0.55rem 0.8rem; font-size: 0.82rem; }
  
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stat-card:nth-child(3), .stat-card:nth-child(5) { border-left: 1px solid var(--ng-border); }
  .stat-card:nth-child(3) { border-top: 1px solid var(--ng-border); }
  .stat-number { font-size: 1.3rem; }
}