/* ==========================================================================
   PRIYANKAR SHUKLA — MODERN DEVELOPER PORTFOLIO STYLES
   Design System: Clean White Canvas, 999px Black & Gray Pill Buttons,
   High-Contrast Typography & Multicolor Interactive Particle Stream
   ========================================================================== */

:root {
  /* Brand Color Palette */
  --google-blue: #1A73E8;
  --google-purple: #8430CE;
  --google-coral: #EA4335;
  --google-amber: #FBBC04;
  --google-green: #1E8E3E;
  --google-cyan: #12B5CB;

  /* Surfaces & Backgrounds */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8F9FA;
  --bg-surface: #F1F3F4;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FFFFFF;
  --bg-input: #FFFFFF;
  --bg-pill-gray: #EFF0F3;
  --bg-pill-hover: #E1E3E6;

  /* Typography Colors */
  --text-primary: #1F1F1F;
  --text-secondary: #45474D;
  --text-muted: #80868B;

  /* Borders & Dividers */
  --border-subtle: #E8EAED;
  --border-medium: #DADCE0;
  --border-focus: #1A73E8;

  /* Gradients */
  --gradient-brand: linear-gradient(135deg, #1A73E8 0%, #8430CE 35%, #EA4335 70%, #FBBC04 100%);
  --gradient-banner-wiki: linear-gradient(135deg, #E8F0FE 0%, #F3E8FD 100%);
  --gradient-banner-vision: linear-gradient(135deg, #E8F0FE 0%, #E6F4EA 100%);
  --gradient-banner-security: linear-gradient(135deg, #FCE8E6 0%, #FEF7E0 100%);
  --gradient-banner-pydata: linear-gradient(135deg, #E6F4EA 0%, #E8F0FE 100%);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(60, 64, 67, 0.08);
  --shadow-md: 0 4px 20px rgba(60, 64, 67, 0.06);
  --shadow-lg: 0 12px 36px rgba(60, 64, 67, 0.1);
  --shadow-hover: 0 14px 40px rgba(60, 64, 67, 0.12);

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

  --max-width: 1200px;
  --nav-height: 70px;
  --transition-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   RESET & GLOBAL BASE
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
}

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

/* Top Reading Progress Bar */
#reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--gradient-brand);
  z-index: 3000;
  transition: width 0.1s ease-out;
}

/* Canvas Background */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
  background-color: #FFFFFF;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

a {
  color: var(--google-blue);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--google-purple);
}

/* ==========================================================================
   TYPOGRAPHY & UTILITIES
   ========================================================================== */
.color-blue { color: var(--google-blue) !important; }
.color-purple { color: var(--google-purple) !important; }
.color-coral { color: var(--google-coral) !important; }
.color-green { color: var(--google-green) !important; }

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-family: var(--font-sans);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--google-blue);
  background-color: #E8F0FE;
  padding: 0.35rem 0.95rem;
  border-radius: 999px;
  margin-bottom: 0.85rem;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  letter-spacing: -0.6px;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.section {
  padding: 5.5rem 0;
  position: relative;
}

/* ==========================================================================
   CARDS
   ========================================================================== */
.dev-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}

.dev-card:hover {
  transform: translateY(-4px);
  border-color: #D2E3FC;
  box-shadow: var(--shadow-hover);
}

/* ==========================================================================
   PILL BUTTONS (999px Design)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.72rem 1.6rem;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-smooth);
  border: 1px solid transparent;
}

/* Primary Black Pill */
.btn-black-pill {
  background-color: #1F1F1F;
  color: #FFFFFF !important;
  box-shadow: 0 4px 14px rgba(31, 31, 31, 0.2);
}

.btn-black-pill:hover {
  background-color: #3C4043;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(31, 31, 31, 0.3);
  text-decoration: none;
}

/* Secondary Gray Pill */
.btn-gray-pill {
  background-color: var(--bg-pill-gray);
  color: var(--text-primary) !important;
  border: 1px solid var(--border-medium);
}

.btn-gray-pill:hover {
  background-color: var(--bg-pill-hover);
  transform: translateY(-2px);
  text-decoration: none;
}

/* Outline Pill */
.btn-outline-pill {
  background-color: transparent;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-medium);
}

.btn-outline-pill:hover {
  background-color: var(--bg-surface);
  border-color: var(--text-primary);
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-ghost-nav {
  font-size: 0.88rem;
  padding: 0.45rem 1.15rem;
  color: var(--text-secondary);
  background: transparent;
  border-radius: 999px;
}

.btn-ghost-nav:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface);
}

.btn-sm {
  font-size: 0.84rem;
  padding: 0.48rem 1.15rem;
}

.btn-arrow {
  transition: transform 0.2s ease;
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--nav-height);
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
}

.nav-container {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
}

.logo-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-brand-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  display: block;
}

.logo-title {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}

.nav-divider-bar {
  width: 1px;
  height: 18px;
  background-color: var(--border-medium);
  margin: 0 0.1rem;
}

.nav-quote-pill {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: #F8F9FA;
  border: 1px solid var(--border-medium);
  padding: 0.22rem 0.75rem;
  border-radius: 999px;
  white-space: nowrap;
  letter-spacing: -0.1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  transition: all 0.15s ease;
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface);
  text-decoration: none;
}

.nav-link.active {
  color: var(--google-blue);
  font-weight: 700;
  background-color: #E8F0FE;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.nav-cta {
  padding: 0.5rem 1.25rem;
  font-size: 0.88rem;
}

.hamburger-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}

.hamburger-btn .bar {
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all 0.2s ease;
}

/* Mobile Dropdown Menu */
.mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  width: 100%;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-medium);
  box-shadow: var(--shadow-lg);
  display: none;
  z-index: 999;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  gap: 0.85rem;
}

.mobile-nav-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-cta {
  margin-top: 0.75rem;
}

/* ==========================================================================
   1. HERO SECTION
   ========================================================================== */
.hero-section {
  padding: 5rem 0 6rem;
  text-align: center;
  position: relative;
  background: linear-gradient(180deg, rgba(248, 250, 255, 0.65) 0%, rgba(255, 255, 255, 0.2) 45%, rgba(255, 255, 255, 0) 100%);
}

.hero-badge-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  background-color: #FFFFFF;
  border: 1px solid var(--border-medium);
  padding: 0.4rem 1.15rem;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

.badge-spark {
  color: var(--google-blue);
  font-size: 1rem;
}

.hero-title {
  font-size: 3.6rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.15;
  color: var(--text-primary);
  max-width: 880px;
  margin: 0 auto 1.25rem;
}

.hero-typewriter-wrap {
  font-size: 1.35rem;
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1.35rem;
}

.typewriter-prefix {
  color: var(--text-secondary);
}

.typewriter-target {
  color: var(--google-blue);
  font-weight: 700;
}

.typewriter-cursor {
  color: var(--google-blue);
  font-weight: 800;
  animation: blink 0.9s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-description {
  font-size: 1.12rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 720px;
  margin: 0 auto 2.25rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Stats Capsule */
.hero-stats-capsule {
  display: inline-flex;
  align-items: center;
  gap: 2.25rem;
  background-color: #FFFFFF;
  border: 1px solid var(--border-medium);
  padding: 1rem 2.5rem;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 4rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  text-align: center;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 0.2rem;
}

.stat-divider {
  width: 1px;
  height: 32px;
  background-color: var(--border-medium);
}

/* Interactive Preview Window */
.hero-preview-window {
  max-width: 740px;
  margin: 0 auto;
  background-color: #FFFFFF;
  border: 1px solid var(--border-medium);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  text-align: left;
}

.preview-window-header {
  height: 44px;
  background-color: #F8F9FA;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
}

.window-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}

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

.window-dot.red { background-color: #EA4335; }
.window-dot.yellow { background-color: #FBBC04; }
.window-dot.green { background-color: #34A853; }

.window-tab-pill {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  background-color: #FFFFFF;
  border: 1px solid var(--border-medium);
  padding: 0.25rem 0.85rem;
  border-radius: 999px;
}

.tab-indicator {
  width: 7px;
  height: 7px;
  background-color: var(--google-green);
  border-radius: 50%;
}

.window-status-chip {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--google-green);
  background-color: #E6F4EA;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}

.preview-window-body {
  padding: 1.5rem 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
  color: #202124;
  overflow-x: auto;
  background-color: #FFFFFF;
}

.code-kw { color: #8430CE; font-weight: 700; }
.code-obj { color: #1A73E8; font-weight: 700; }
.code-prop { color: #1F1F1F; }
.code-str { color: #1E8E3E; }
.code-accent-wiki { color: #EA4335; font-weight: 600; }
.code-accent-avail { color: #1A73E8; font-weight: 600; }

/* ==========================================================================
   2. ABOUT SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: start;
}

.about-bio-card {
  padding: 2.5rem;
}

.card-title {
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.about-text {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1.15rem;
}

.about-details-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 1.75rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--border-subtle);
}

.detail-item {
  display: flex;
  font-size: 0.92rem;
  gap: 0.5rem;
}

.detail-label {
  color: var(--text-muted);
  min-width: 110px;
  font-weight: 600;
}

.detail-value {
  color: var(--text-primary);
  font-weight: 600;
}

/* Featured Keynote Photo Card */
.about-photo-card {
  overflow: hidden;
  margin-bottom: 1.25rem;
  padding: 0;
  border-radius: 24px;
}

.about-photo-wrapper {
  position: relative;
  width: 100%;
  height: 310px;
  overflow: hidden;
  background-color: #F8F9FA;
}

.about-speaker-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  transition: transform 0.4s ease;
}

.about-photo-card:hover .about-speaker-img {
  transform: scale(1.03);
}

.about-photo-badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-medium);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Pillars Grid */
.about-pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.pillar-card {
  padding: 1.75rem 1.5rem;
}

.pillar-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.bg-light-blue { background-color: #E8F0FE; color: var(--google-blue); }
.bg-light-purple { background-color: #F3E8FD; color: var(--google-purple); }
.bg-light-cyan { background-color: #E0F7FA; color: var(--google-cyan); }
.bg-light-coral { background-color: #FCE8E6; color: var(--google-coral); }

.pillar-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.pillar-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   3. TIMELINE & EXPERIENCE SECTION
   ========================================================================== */
.timeline {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding-left: 2.2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 1rem;
  bottom: 1rem;
  left: 8px;
  width: 2px;
  background-color: var(--border-medium);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -2.2rem;
  top: 1.35rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: #FFFFFF;
  border: 3.5px solid;
  z-index: 2;
  box-shadow: var(--shadow-sm);
}

.dot-purple { border-color: var(--google-purple); }
.dot-blue { border-color: var(--google-blue); }
.dot-cyan { border-color: var(--google-cyan); }
.dot-coral { border-color: var(--google-coral); }
.dot-yellow { border-color: var(--google-amber); }

.timeline-content {
  padding: 1.75rem 2rem;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.timeline-role {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}

.timeline-company {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--google-blue);
}

.timeline-date-chip {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  white-space: nowrap;
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.15rem;
}

.timeline-tags, .project-tech-stack {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.chip-tag {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  transition: all 0.15s ease;
}

.chip-tag:hover {
  background-color: #E8F0FE;
  color: var(--google-blue);
  border-color: #D2E3FC;
}

/* ==========================================================================
   4. PROJECTS SECTION
   ========================================================================== */
.project-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-pill {
  background-color: #FFFFFF;
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.52rem 1.35rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.filter-pill:hover {
  background-color: var(--bg-surface);
  color: var(--text-primary);
}

.filter-pill.active {
  background-color: #1F1F1F;
  color: #FFFFFF;
  border-color: #1F1F1F;
  box-shadow: 0 4px 14px rgba(31, 31, 31, 0.2);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  padding: 2.25rem 2rem;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: #D2E3FC;
  box-shadow: var(--shadow-hover);
}

.project-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.project-category-pill {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--google-blue);
  background-color: #E8F0FE;
  border: 1px solid #D2E3FC;
  padding: 0.25rem 0.8rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.project-category-pill.vision {
  color: var(--google-purple);
  background-color: #F3E8FD;
  border-color: #E8D5FB;
}

.project-category-pill.community {
  color: var(--google-coral);
  background-color: #FCE8E6;
  border-color: #FAD2CF;
}

.project-badge {
  font-size: 0.72rem;
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--text-muted);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
}

.project-card-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.project-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.35rem;
  flex: 1;
}

.project-tech-stack {
  margin-bottom: 1.5rem;
}

.project-card-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}

/* ==========================================================================
   5. SKILLS SECTION
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.skill-category-card {
  padding: 2.25rem;
}

.skill-cat-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.35rem;
}

.skill-cat-icon {
  font-size: 1.5rem;
}

.skill-cat-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.skill-items-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-primary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  transition: all 0.15s ease;
}

.skill-chip:hover {
  background-color: #FFFFFF;
  border-color: var(--google-blue);
  color: var(--google-blue);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.chip-bullet {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.bullet-blue { background-color: var(--google-blue); }
.bullet-purple { background-color: var(--google-purple); }
.bullet-coral { background-color: var(--google-coral); }
.bullet-yellow { background-color: var(--google-amber); }
.bullet-green { background-color: var(--google-green); }

/* ==========================================================================
   6. MOMENTS, TALKS & MEDIA SECTION (Images & Videos)
   ========================================================================== */
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.media-card {
  cursor: pointer;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.media-thumb-wrap {
  position: relative;
  width: 100%;
  height: 250px;
  overflow: hidden;
  background-color: #F1F3F4;
}

.media-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.media-card:hover .media-img {
  transform: scale(1.04);
}

.media-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.media-card:hover .media-overlay {
  opacity: 1;
}

.media-play-pill {
  background-color: #FFFFFF;
  color: #1F1F1F;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  box-shadow: var(--shadow-md);
}

.media-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
}

.badge-talk { color: var(--google-blue); }
.badge-demo { color: var(--google-purple); }
.badge-community { color: var(--google-coral); }
.badge-video { color: #EA4335; }

.video-thumb-bg {
  background: linear-gradient(135deg, #1A73E8 0%, #8430CE 50%, #EA4335 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-play-btn-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: transform 0.25s ease;
}

.media-card:hover .video-play-btn-circle {
  transform: scale(1.15);
}

.video-play-triangle {
  color: #1F1F1F;
  font-size: 1.4rem;
  margin-left: 4px;
}

.media-info {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.media-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.media-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex: 1;
}

.media-meta-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--google-blue);
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.75rem;
}

/* Lightbox Modal */
.media-modal {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 4000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.media-modal.active {
  display: flex;
}

.media-modal-dialog {
  position: relative;
  max-width: 800px;
  width: 100%;
  background-color: #FFFFFF;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  animation: modalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

.media-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--border-medium);
  font-size: 1.1rem;
  font-weight: 700;
  color: #1F1F1F;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease;
}

.media-modal-close:hover {
  transform: scale(1.1);
}

.modal-media-element {
  width: 100%;
  max-height: 480px;
  object-fit: contain;
  background-color: #F8F9FA;
  display: block;
}

.modal-video-container {
  padding: 3.5rem 2rem;
  text-align: center;
  background: linear-gradient(135deg, #E8F0FE 0%, #F3E8FD 100%);
}

.video-placeholder-box {
  max-width: 480px;
  margin: 0 auto;
}

.video-play-large {
  font-size: 3.5rem;
  display: inline-block;
  margin-bottom: 1rem;
}

.media-modal-caption {
  padding: 1.75rem;
  background-color: #FFFFFF;
}

.media-modal-caption h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.media-modal-caption p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   7. OPEN SOURCE & COMMUNITY HIGHLIGHTS
   ========================================================================== */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.highlight-card {
  padding: 2.25rem 1.85rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.highlight-badge-chip {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.75rem;
  border-radius: 999px;
  background-color: var(--bg-surface);
  margin-bottom: 0.5rem;
}

.highlight-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  line-height: 1.35;
}

.highlight-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.highlight-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.85rem;
  margin-top: auto;
}

/* ==========================================================================
   8. CONTACT SECTION
   ========================================================================== */
.contact-card-wrapper {
  padding: 3.75rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-heading {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.6px;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.contact-desc {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2.25rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-method-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 1rem 1.35rem;
  border-radius: 16px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-smooth);
}

.contact-method-item:hover {
  background-color: #FFFFFF;
  border-color: var(--google-blue);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

.method-icon-box {
  width: 44px;
  height: 44px;
  background-color: #FFFFFF;
  border: 1px solid var(--border-medium);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.method-text {
  display: flex;
  flex-direction: column;
}

.method-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.method-value {
  font-size: 0.96rem;
  color: var(--text-primary);
  font-weight: 700;
}

/* Contact Form */
.contact-form {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: 20px;
  padding: 2.25rem;
}

.form-title {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.45rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background-color: #FFFFFF;
  border: 1px solid var(--border-medium);
  border-radius: 12px;
  padding: 0.8rem 1.1rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--google-blue);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.18);
}

.form-submit-btn {
  width: 100%;
  padding: 0.9rem;
  font-size: 1rem;
  margin-top: 0.5rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-secondary);
  padding: 4.5rem 0 2rem;
  margin-top: 4rem;
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-tagline {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-top: 1rem;
  max-width: 420px;
}

.footer-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.15rem;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links-list a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.15s ease;
}

.footer-links-list a:hover {
  color: var(--google-blue);
  text-decoration: none;
}

.footer-bottom-bar {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.back-to-top {
  color: var(--google-blue);
  font-weight: 700;
}

/* ==========================================================================
   FLOATING TOP BUTTON & TOASTS
   ========================================================================== */
.floating-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: #1F1F1F;
  color: #FFFFFF;
  border: none;
  font-size: 1.15rem;
  font-weight: 800;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1500;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all var(--transition-smooth);
}

.floating-top-btn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.floating-top-btn:hover {
  transform: translateY(-4px);
  background-color: #3C4043;
  box-shadow: var(--shadow-lg);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 3000;
  pointer-events: none;
}

.toast-pill {
  background-color: #1F1F1F;
  color: #FFFFFF;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  transform: translateY(10px);
  animation: toastIn 0.25s forwards, toastOut 0.25s 2.75s forwards;
}

@keyframes toastIn {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
  to { opacity: 0; transform: translateY(-10px); }
}