/* ==========================================================================
   LANDING PAGE (INDEX.HTML) SPECIFIC STYLESHEET
   Immersive Hero CLI Terminal, Infinite Tech Stack Marquee, Bento Grid & Flagship Cards
   ========================================================================== */

/* Hero Container Layout Adjustment for Landing Page (Centered Stage - Photo Omitted) */
.top-hero-section {
  min-height: 100vh;
  padding: 130px 2rem 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.top-hero-container {
  max-width: 1040px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.top-bio-column {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-tagline {
  max-width: 720px;
  margin: 0 auto 2rem;
}

.quick-contact-grid {
  justify-content: center;
  max-width: 780px;
  width: 100%;
  margin: 0 auto 2rem;
}

.hero-actions {
  justify-content: center;
}

/* User-Friendly Interactive Cyber CLI Terminal (Theme Adaptive) */
.cyber-terminal {
  width: 100%;
  max-width: 900px;
  margin: 1.5rem auto 2.25rem;
  background: var(--surface-color);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--surface-border-hover);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25),
              0 0 30px var(--accent-glow);
  font-family: var(--font-mono);
  text-align: left;
  transition: background var(--transition-speed) ease, border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

html[data-theme="dark"] .cyber-terminal {
  background: rgba(12, 12, 14, 0.92);
}

html[data-theme="light"] .cyber-terminal {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1), 0 0 25px rgba(2, 132, 199, 0.15);
}

.terminal-header {
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--surface-border);
  transition: background var(--transition-speed) ease;
}

html[data-theme="dark"] .terminal-header {
  background: rgba(22, 22, 26, 0.95);
}

html[data-theme="light"] .terminal-header {
  background: rgba(235, 240, 248, 0.95);
}

.terminal-controls {
  display: flex;
  gap: 0.5rem;
}

.term-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.term-dot.red { background: #ff5f56; }
.term-dot.yellow { background: #ffbd2e; }
.term-dot.green { background: #27c93f; }

.terminal-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.terminal-guide-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  color: var(--accent-color);
  background: var(--badge-bg);
  padding: 0.2rem 0.65rem;
  border-radius: 12px;
  border: 1px solid var(--surface-border);
  font-family: var(--font-sans);
  font-weight: 500;
}

.terminal-guide-badge .guide-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #27c93f;
  box-shadow: 0 0 6px #27c93f;
}

.terminal-quick-tabs {
  display: flex;
  gap: 0.4rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--surface-border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
  transition: background var(--transition-speed) ease;
}

.terminal-quick-tabs::-webkit-scrollbar {
  height: 4px;
}

.terminal-quick-tabs::-webkit-scrollbar-thumb {
  background: var(--accent-color);
  border-radius: 4px;
}

.term-tab-btn {
  background: var(--badge-bg);
  border: 1px solid var(--surface-border);
  color: var(--text-secondary);
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.term-tab-btn:hover,
.term-tab-btn.active {
  background: var(--accent-color);
  color: #ffffff;
  border-color: var(--accent-color);
  box-shadow: 0 0 12px var(--accent-glow);
}

.terminal-body {
  padding: 1.25rem 1.5rem;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.terminal-output {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-height: 260px;
  overflow-y: auto;
}

.term-line {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font-size: 0.875rem;
  line-height: 1.6;
}

.term-prompt {
  color: var(--accent-color);
  font-weight: 700;
  white-space: nowrap;
}

.term-cmd-text {
  color: var(--text-primary);
  font-weight: 600;
}

.term-response-card {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  padding: 0.9rem 1.15rem;
  margin-top: 0.4rem;
  transition: background var(--transition-speed) ease;
}

html[data-theme="light"] .term-response-card {
  background: rgba(0, 0, 0, 0.03);
}

.term-response-header {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.term-response-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.term-input-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.term-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  width: 100%;
}

/* Infinite Tech Stack Marquee Ticker */
.tech-marquee-wrapper {
  width: 100%;
  overflow: hidden;
  padding: 1.75rem 0;
  background: var(--surface-color);
  border-top: 1px solid var(--surface-border);
  border-bottom: 1px solid var(--surface-border);
  position: relative;
  z-index: 2;
}

.tech-marquee-track {
  display: flex;
  gap: 2.5rem;
  width: max-content;
  animation: marqueeScroll 35s linear infinite;
}

.tech-marquee-track:hover {
  animation-play-state: paused;
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.tech-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 1.25rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--surface-border);
  border-radius: 30px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  transition: all 0.3s ease;
}

.tech-pill-badge:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  box-shadow: 0 0 15px var(--accent-glow);
}

.tech-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-color);
}

/* Asymmetric Bento Grid Snapshot */
.bento-grid-container {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
  width: 100%;
  box-sizing: border-box;
}

.bento-card {
  background: var(--surface-color);
  border: 1px solid var(--surface-border);
  border-radius: 24px;
  padding: 2rem;
  transition: transform 0.35s var(--transition-curve),
              background 0.35s var(--transition-curve),
              border-color 0.35s var(--transition-curve),
              box-shadow 0.35s var(--transition-curve);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
  box-sizing: border-box;
}

.bento-card:hover {
  background: var(--surface-hover);
  border-color: var(--surface-border-hover);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.bento-span-8  { grid-column: span 8; }
.bento-span-4  { grid-column: span 4; }
.bento-span-6  { grid-column: span 6; }
.bento-span-12 { grid-column: span 12; }

.bento-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-color);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.bento-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.bento-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.bento-stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1rem;
}

.bento-stat-item {
  display: flex;
  flex-direction: column;
}

.bento-stat-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-color);
  line-height: 1;
}

.bento-stat-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  margin-top: 0.25rem;
}

/* Bento Ticker Bar (Box 5) Base Styles */
.bento-ticker-card {
  padding: 1.5rem 2rem;
}

.bento-ticker-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.bento-ticker-content {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.bento-ticker-item.highlight {
  color: var(--accent-color);
  font-family: var(--font-mono);
  font-weight: 700;
}

.bento-ticker-sep {
  color: var(--text-muted);
}

/* Flagship Projects Showcase Grid */
.flagship-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.flagship-card {
  background: var(--surface-color);
  border: 1px solid var(--surface-border);
  border-radius: 24px;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.35s var(--transition-curve);
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.flagship-card:hover {
  background: var(--surface-hover);
  border-color: var(--surface-border-hover);
  transform: translateY(-6px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.35);
}

.flagship-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
  min-width: 0;
}

.flagship-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.flagship-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--accent-color);
  font-weight: 600;
  min-width: 0;
  word-break: break-word;
  overflow-wrap: break-word;
  max-width: 100%;
}

.flagship-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.65rem;
}

.flagship-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 1.5rem;
}

.feature-list li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
}

.feature-bullet {
  color: var(--accent-color);
  font-weight: 700;
}

.code-snippet-box {
  background: rgba(10, 10, 12, 0.95);
  border: 1px solid var(--surface-border);
  border-radius: 14px;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.785rem;
  color: #e4e4e7;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 1.5rem;
  line-height: 1.5;
  text-align: left;
  max-width: 100%;
  box-sizing: border-box;
}

.code-snippet-box pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: break-word;
  max-width: 100%;
}

.code-comment { color: #71717a; }
.code-keyword { color: var(--accent-color); font-weight: 600; }
.code-string { color: #a7f3d0; }
.code-func { color: #818cf8; }

/* Responsive adjustments for Tablets & Mobile Viewports */
@media (max-width: 1100px) {
  /* At tablet, collapse to 2-column (6+6) layout */
  .bento-grid-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .bento-span-8 { grid-column: span 2; }
  .bento-span-4 { grid-column: span 1; }
  .bento-span-6 { grid-column: span 1; }
  .bento-span-12 { grid-column: span 2; }

  .flagship-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  /* Bento Grid Mobile Single-Column Collapse */
  .bento-grid-container {
    grid-template-columns: 1fr !important;
    gap: 1.25rem !important;
  }

  .bento-span-8,
  .bento-span-4,
  .bento-span-6,
  .bento-span-12 {
    grid-column: span 1 !important;
  }

  .bento-card {
    padding: 1.35rem 1.15rem !important;
    border-radius: 18px !important;
  }

  .bento-title {
    font-size: 1.35rem !important;
    margin-bottom: 0.5rem !important;
  }

  .bento-desc {
    font-size: 0.875rem !important;
    line-height: 1.55 !important;
    margin-bottom: 1rem !important;
  }

  .bento-tag {
    font-size: 0.7rem !important;
    margin-bottom: 0.5rem !important;
  }

  .bento-stats-row {
    gap: 1.15rem !important;
    margin-top: 0.85rem !important;
  }

  .bento-stat-num {
    font-size: 1.6rem !important;
  }

  .bento-stat-lbl {
    font-size: 0.7rem !important;
  }

  .bento-ticker-wrapper {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 1rem !important;
  }

  .bento-ticker-sep {
    display: none !important;
  }

  .bento-ticker-content {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.4rem !important;
  }

  .flagship-grid {
    grid-template-columns: 1fr !important;
    gap: 1.25rem !important;
  }

  .flagship-card {
    padding: 1.35rem 1.15rem !important;
    border-radius: 18px !important;
  }

  .flagship-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    width: 100%;
  }

  .flagship-icon-box {
    width: 44px !important;
    height: 44px !important;
    font-size: 1.2rem !important;
    border-radius: 12px !important;
  }

  .flagship-badge {
    font-size: 0.7rem !important;
    padding: 0.25rem 0.65rem !important;
  }

  .flagship-title {
    font-size: 1.35rem !important;
    margin-bottom: 0.5rem !important;
  }

  .flagship-desc {
    font-size: 0.875rem !important;
    line-height: 1.55 !important;
    margin-bottom: 1rem !important;
  }

  .feature-list {
    gap: 0.45rem !important;
    margin-bottom: 1.15rem !important;
  }

  .feature-list li {
    font-size: 0.825rem !important;
  }

  .code-snippet-box {
    padding: 0.75rem !important;
    font-size: 0.715rem !important;
    border-radius: 10px !important;
    margin-bottom: 1.15rem !important;
    box-sizing: border-box !important;
    max-width: 100% !important;
    overflow-x: auto !important;
  }

  .flagship-card .proj-actions {
    display: flex;
    flex-direction: row;
    gap: 0.65rem;
    width: 100%;
  }

  .flagship-card .proj-actions .btn {
    flex: 1;
    text-align: center;
    justify-content: center;
    padding: 0.55rem 0.75rem !important;
    font-size: 0.825rem !important;
  }
}

/* Dynamic Progressive Downscaling for Small Screens (<= 700px) */
@media (max-width: 700px) {
  .bento-grid-container {
    gap: 1.15rem !important;
  }

  .bento-card {
    padding: 1.25rem 1rem !important;
    border-radius: 16px !important;
  }

  .bento-title {
    font-size: 1.25rem !important;
  }

  .bento-desc {
    font-size: 0.84rem !important;
    line-height: 1.5 !important;
  }

  .bento-stat-num {
    font-size: 1.45rem !important;
  }

  .flagship-grid {
    gap: 1.15rem !important;
  }

  .flagship-card {
    padding: 1.25rem 1rem !important;
    border-radius: 16px !important;
    overflow: hidden !important;
    box-sizing: border-box !important;
    min-width: 0 !important;
    max-width: 100% !important;
  }

  .flagship-icon-box {
    width: 38px !important;
    height: 38px !important;
    font-size: 1.05rem !important;
    border-radius: 10px !important;
  }

  .flagship-badge {
    font-size: 0.68rem !important;
    padding: 0.2rem 0.55rem !important;
  }

  .flagship-title {
    font-size: 1.2rem !important;
  }

  .flagship-desc {
    font-size: 0.84rem !important;
    line-height: 1.5 !important;
  }

  .feature-list li {
    font-size: 0.8rem !important;
    gap: 0.4rem !important;
  }

  .code-snippet-box {
    padding: 0.65rem 0.75rem !important;
    font-size: 0.7rem !important;
    border-radius: 10px !important;
    margin-bottom: 1rem !important;
  }
}

/* Compact Downscaling for Phones (<= 520px) */
@media (max-width: 520px) {
  .bento-grid-container {
    gap: 1rem !important;
  }

  .bento-card {
    padding: 1rem 0.85rem !important;
    border-radius: 14px !important;
  }

  .bento-title {
    font-size: 1.15rem !important;
    margin-bottom: 0.4rem !important;
  }

  .bento-desc {
    font-size: 0.81rem !important;
    line-height: 1.45 !important;
    margin-bottom: 0.85rem !important;
  }

  .bento-tag {
    font-size: 0.65rem !important;
  }

  .bento-stats-row {
    gap: 0.85rem !important;
  }

  .bento-stat-num {
    font-size: 1.3rem !important;
  }

  .bento-stat-lbl {
    font-size: 0.65rem !important;
  }

  .bento-ticker-btn {
    width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
  }

  .flagship-grid {
    gap: 1rem !important;
  }

  .flagship-card {
    padding: 1rem 0.85rem !important;
    border-radius: 14px !important;
  }

  .flagship-icon-box {
    width: 34px !important;
    height: 34px !important;
    font-size: 0.95rem !important;
    border-radius: 8px !important;
  }

  .flagship-badge {
    font-size: 0.65rem !important;
    padding: 0.18rem 0.5rem !important;
  }

  .flagship-title {
    font-size: 1.1rem !important;
    margin-bottom: 0.4rem !important;
  }

  .flagship-desc {
    font-size: 0.81rem !important;
    line-height: 1.45 !important;
    margin-bottom: 0.85rem !important;
  }

  .feature-list {
    margin-bottom: 0.85rem !important;
    gap: 0.35rem !important;
  }

  .feature-list li {
    font-size: 0.775rem !important;
  }

  .code-snippet-box {
    padding: 0.55rem 0.65rem !important;
    font-size: 0.66rem !important;
    line-height: 1.4 !important;
    border-radius: 8px !important;
    margin-bottom: 0.85rem !important;
  }

  .flagship-card .proj-actions {
    flex-direction: column !important;
    gap: 0.5rem !important;
  }

  .flagship-card .proj-actions .btn {
    width: 100% !important;
    padding: 0.5rem 0.65rem !important;
    font-size: 0.8rem !important;
  }
}

/* Ultra-Compact Scaling for Small Phones (<= 380px) */
@media (max-width: 380px) {
  .bento-card {
    padding: 0.85rem 0.75rem !important;
    border-radius: 12px !important;
  }

  .bento-title {
    font-size: 1.05rem !important;
  }

  .bento-desc {
    font-size: 0.785rem !important;
  }

  .bento-stat-num {
    font-size: 1.15rem !important;
  }

  .flagship-card {
    padding: 0.85rem 0.75rem !important;
    border-radius: 12px !important;
  }

  .flagship-icon-box {
    width: 30px !important;
    height: 30px !important;
    font-size: 0.85rem !important;
  }

  .flagship-title {
    font-size: 1.025rem !important;
  }

  .flagship-desc {
    font-size: 0.785rem !important;
  }

  .code-snippet-box {
    padding: 0.45rem 0.55rem !important;
    font-size: 0.625rem !important;
  }
}