/* ==========================================================================
   Design Tokens & Modern CSS Reset
   ========================================================================== */
:root {
  /* Colors */
  --bg-primary: #0b0f17;
  --bg-secondary: #111827;
  --bg-surface: rgba(17, 24, 39, 0.72);
  --bg-surface-hover: rgba(24, 33, 53, 0.85);
  --bg-glass: rgba(11, 15, 23, 0.82);
  --bg-card: rgba(19, 27, 44, 0.65);
  --bg-tag: rgba(30, 41, 59, 0.7);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-focus: rgba(56, 189, 248, 0.5);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #38bdf8;
  --text-accent-hover: #7dd3fc;
  
  --accent-cyan: #38bdf8;
  --accent-emerald: #34d399;
  --accent-amber: #fbbf24;
  --accent-blue: #60a5fa;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Menlo, monospace;

  /* Elevation & Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 36px -6px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 24px rgba(56, 189, 248, 0.12);

  /* Layout */
  --max-width: 1140px;
  --header-height: 72px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 250ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

::selection {
  background-color: rgba(56, 189, 248, 0.25);
  color: #ffffff;
}

/* Background Canvas */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* App Container */
.app-wrapper {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Header & Floating Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), border-color var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background-color: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.header-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  transition: opacity var(--transition-fast);
}

.brand-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 1px solid var(--border-medium);
}

.brand-title {
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-accent {
  color: var(--accent-cyan);
}

.brand-badge {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-tag);
  padding: 2px 7px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  letter-spacing: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: var(--accent-cyan);
  background-color: rgba(56, 189, 248, 0.08);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 8px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   Buttons & Action Components
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
  border: 1px solid transparent;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--text-primary);
  color: #0b0f17;
}

.btn-primary:hover {
  background-color: #ffffff;
  box-shadow: 0 4px 14px rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--border-medium);
  transform: translateY(-1px);
}

.btn-accent {
  background-color: rgba(56, 189, 248, 0.12);
  color: var(--accent-cyan);
  border-color: rgba(56, 189, 248, 0.28);
}

.btn-accent:hover {
  background-color: rgba(56, 189, 248, 0.2);
  border-color: var(--accent-cyan);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.82rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 70px;
  min-height: 88vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--accent-cyan);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-emerald);
}

.hero-name {
  font-family: var(--font-sans);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.hero-title {
  font-family: var(--font-sans);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.company-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-primary);
  font-weight: 600;
  background: var(--bg-surface);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.google-logo-icon {
  width: 18px;
  height: 18px;
  display: inline-block;
}

.hero-bio {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 30px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.hero-socials {
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  color: var(--text-primary);
  background: var(--bg-surface-hover);
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

/* Hero Visual / Card */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.profile-card {
  position: relative;
  width: 100%;
  max-width: 380px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.profile-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 20px;
  border: 1px solid var(--border-subtle);
}

.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.profile-card:hover .profile-photo {
  transform: scale(1.03);
}

.photo-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(11, 15, 23, 0.85);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.profile-details {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-size: 0.86rem;
}

.contact-info {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  text-decoration: none;
}

.contact-info:hover {
  color: var(--text-primary);
}

.copy-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: color var(--transition-fast);
}

.copy-btn:hover {
  color: var(--accent-cyan);
}

/* ==========================================================================
   Section Headers & Common Layout
   ========================================================================== */
.section {
  padding: 80px 0;
  position: relative;
}

.section-header {
  margin-bottom: 48px;
}

.section-subtitle {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-sans);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.section-description {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-top: 8px;
  max-width: 620px;
}

/* ==========================================================================
   Experience Section (Timeline)
   ========================================================================== */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.timeline-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.timeline-item:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.timeline-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.timeline-role-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.timeline-role {
  font-family: var(--font-sans);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.timeline-company-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.timeline-company-link:hover {
  color: var(--text-accent-hover);
}

.timeline-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-tag);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

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

.timeline-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 22px;
}

.timeline-bullets li {
  position: relative;
  padding-left: 24px;
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.65;
}

.timeline-bullets li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.tech-tag:hover {
  border-color: var(--border-medium);
  color: var(--text-primary);
}

/* ==========================================================================
   Featured Project Showcase (Autonomous Vehicle)
   ========================================================================== */
.showcase-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg);
  transition: border-color var(--transition-normal);
}

.showcase-card:hover {
  border-color: var(--border-medium);
}

.showcase-media {
  position: relative;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  overflow: hidden;
}

.showcase-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.75;
  transition: transform var(--transition-smooth), opacity var(--transition-fast);
}

.showcase-media:hover .showcase-thumb {
  transform: scale(1.04);
  opacity: 0.9;
}

.play-overlay-btn {
  position: absolute;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: rgba(11, 15, 23, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: all var(--transition-normal);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

.play-overlay-btn svg {
  transform: translateX(2px);
}

.play-overlay-btn:hover {
  transform: scale(1.1);
  background: var(--accent-cyan);
  color: #0b0f17;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.5);
}

.showcase-content {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.showcase-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-emerald);
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.25);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.showcase-title {
  font-family: var(--font-sans);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.showcase-desc {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.showcase-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   Skills & Tech Stack Matrix
   ========================================================================== */
.skill-filters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.skill-filter-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 16px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.skill-filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.skill-filter-btn.active {
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-cyan);
  border-color: rgba(56, 189, 248, 0.4);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.skill-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-primary);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
}

.skill-card.hidden {
  display: none !important;
}

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

.skill-icon-wrapper {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--border-subtle);
}

.skill-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.skill-info {
  display: flex;
  flex-direction: column;
}

.skill-name {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.skill-category-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Education & International Languages
   ========================================================================== */
.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.sub-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color var(--transition-normal);
}

.sub-card:hover {
  border-color: var(--border-medium);
}

.sub-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.sub-card-title {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.edu-entry {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.edu-degree {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.edu-school {
  color: var(--accent-cyan);
  text-decoration: none;
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.edu-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.lang-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.lang-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.lang-identity {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-flag {
  font-size: 1.35rem;
}

.lang-name {
  font-weight: 600;
  font-size: 0.92rem;
}

.lang-level {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

/* ==========================================================================
   Interests, Reading & Awards
   ========================================================================== */
.interests-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.quote-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.quote-tab-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 600;
  padding: 6px 14px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quote-tab-btn.active {
  background: var(--text-primary);
  color: #0b0f17;
  border-color: var(--text-primary);
}

.quote-pane {
  display: none;
}

.quote-pane.active {
  display: block;
}

.reading-quote {
  font-style: italic;
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.7;
  border-left: 2px solid var(--accent-cyan);
  padding-left: 16px;
  margin-bottom: 12px;
}

.quote-author {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.award-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.award-item:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
  background: var(--bg-surface-hover);
}

.award-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(251, 191, 36, 0.12);
  color: var(--accent-amber);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(251, 191, 36, 0.25);
}

.award-title {
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.award-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
}

/* ==========================================================================
   Footer & Contact Strip
   ========================================================================== */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  padding: 48px 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-copy {
  font-size: 0.86rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition-fast);
}

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

/* ==========================================================================
   Reactive Background Control Widget (Bottom-Right)
   ========================================================================== */
.bg-control-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
}

.bg-controls-panel {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  width: 250px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all var(--transition-normal);
}

.bg-controls-panel.collapsed {
  display: none;
}

.bg-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.bg-panel-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
}

.bg-select-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bg-select-label {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.bg-select {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.84rem;
  padding: 6px 10px;
  cursor: pointer;
  outline: none;
}

.bg-speed-btns {
  display: flex;
  gap: 6px;
}

.bg-speed-btn {
  flex: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 5px 0;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.bg-speed-btn.active {
  background: var(--accent-cyan);
  color: #0b0f17;
  border-color: var(--accent-cyan);
  font-weight: 600;
}

.bg-panel-toggle-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 8px 14px;
  cursor: pointer;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

.bg-panel-toggle-pill:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

/* ==========================================================================
   Modals & Overlays
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 820px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-backdrop.active .modal-container {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-title {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border-radius: 4px;
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
}

.video-aspect-box {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.video-aspect-box iframe {
  width: 100%;
  height: 100%;
  display: block;
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100%;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-subtle);
  z-index: 200;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: right var(--transition-normal);
}

.mobile-drawer.open {
  right: 0;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 190;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-nav-link {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-subtle);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--text-primary);
  color: #0b0f17;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    order: -1;
  }

  .profile-card {
    max-width: 320px;
  }

  .showcase-card {
    grid-template-columns: 1fr;
  }

  .showcase-media {
    min-height: 240px;
  }

  .two-col-grid, .interests-grid {
    grid-template-columns: 1fr;
  }

  .main-nav, .header-cta {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }
}

@media (max-width: 640px) {
  .hero-name {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .timeline-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .timeline-meta {
    align-items: flex-start;
  }

  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bg-control-widget {
    bottom: 16px;
    right: 16px;
  }
}