/* ==========================================================================
   PRUTHVI JADHAV — MODERN INDUSTRIAL PORTFOLIO DESIGN SYSTEM
   Theme: Cosmic Violet & Obsidian Glassmorphism
   Fonts: Outfit (Headings) & Plus Jakarta Sans (Body)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  /* Color Palette */
  --bg-dark: #070710;
  --bg-deep: #0b0b1a;
  --bg-card: rgba(15, 15, 34, 0.72);
  --bg-card-hover: rgba(24, 24, 52, 0.85);
  
  --primary: #8b5cf6;
  --primary-rgb: 139, 92, 246;
  --secondary: #a855f7;
  --secondary-rgb: 168, 85, 247;
  --accent: #c4b5fd;
  --accent-glow: rgba(139, 92, 246, 0.35);
  
  --emerald: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.25);
  --amber: #f59e0b;
  
  --text-primary: #f8fafc;
  --text-muted: #94a3b8;
  --text-light: #cbd5e1;
  
  --border-subtle: rgba(196, 181, 253, 0.12);
  --border-glow: rgba(168, 85, 247, 0.45);
  --glass-bg: rgba(11, 11, 26, 0.75);
  --glass-blur: blur(16px);
  
  /* Radii & Shadows */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 12px 32px -8px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-subtle);
  --shadow-glow: 0 16px 40px -12px rgba(139, 92, 246, 0.5), 0 0 0 1px var(--border-glow);
  --shadow-card: 0 16px 36px -10px rgba(0, 0, 0, 0.4);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.45s cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-max: 1240px;
  --nav-height: 72px;
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* Base Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 24px);
  height: 100%;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  min-height: 100%;
  width: 100%;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  touch-action: manipulation;
}

body.menu-open {
  overflow: hidden;
}

/* Mouse Follower Radial Glow */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(700px circle at var(--mx, 50%) var(--my, 30%), rgba(139, 92, 246, 0.10), transparent 65%);
  z-index: 0;
}

/* Ambient Subtle Background Grid Pattern */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(196, 181, 253, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: 0;
  opacity: 0.6;
}

/* Accessibility & Focus States */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Headings Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.4rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.8rem, 3.8vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 600;
}

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

/* Gradient Text Effect */
.grad-text {
  background: linear-gradient(135deg, #ffffff 0%, var(--accent) 50%, var(--primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.grad-violet {
  background: linear-gradient(90deg, var(--primary), var(--secondary) 50%, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Top Progress Bar */
#progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
  z-index: 1000;
  transition: width 0.1s linear;
}

/* Accessibility Skip Link */
.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 1100;
  background: var(--primary);
  color: #ffffff;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  box-shadow: var(--shadow-glow);
  transition: top var(--transition-normal);
}
.skip-link:focus {
  top: 16px;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.site-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1120px, 94vw);
  height: var(--nav-height);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px 8px 22px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.site-nav:hover {
  border-color: rgba(196, 181, 253, 0.25);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.nav-avatar-badge {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: grid;
  place-items: center;
  font-size: 0.88rem;
  font-weight: 800;
  color: #ffffff;
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition-normal);
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(139, 92, 246, 0.08);
}

.nav-link.active {
  color: var(--text-primary);
  background: rgba(139, 92, 246, 0.16);
  border: 1px solid var(--border-glow);
  box-shadow: 0 0 20px -5px rgba(139, 92, 246, 0.4);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-primary);
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all var(--transition-normal);
}
.mobile-menu-btn:hover {
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.2);
}

/* Nav Backdrop Overlay */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(7, 7, 16, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 95;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}
.nav-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer-cta {
  display: none;
}

/* Mobile Drawer */
@media (max-width: 960px) {
  .site-nav {
    padding: 8px 14px 8px 18px;
    height: 64px;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .nav-menu {
    position: fixed;
    top: calc(var(--nav-height) + 14px);
    left: 4vw;
    right: 4vw;
    max-height: calc(100vh - var(--nav-height) - 30px);
    overflow-y: auto;
    background: rgba(11, 11, 26, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-xl);
    flex-direction: column;
    padding: 20px 16px;
    gap: 8px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.85);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-16px);
    transition: all var(--transition-normal);
    z-index: 101;
  }
  .nav-menu.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .nav-link {
    width: 100%;
    padding: 12px 18px;
    font-size: 1.05rem;
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .site-nav {
    width: calc(100% - 24px);
    left: 12px;
    transform: none;
    padding: 6px 12px 6px 16px;
    height: 60px;
  }
  .site-nav .nav-cta {
    display: none;
  }
  .mobile-drawer-cta {
    display: block;
    width: 100%;
    margin-top: 8px;
    padding-top: 14px;
    border-top: 1px solid var(--border-subtle);
  }
}

/* ==========================================================================
   BUTTONS & BADGES
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-full);
  font-size: 0.94rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #ffffff;
  box-shadow: 0 8px 24px -6px rgba(139, 92, 246, 0.65);
  position: relative;
  overflow: hidden;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -6px rgba(139, 92, 246, 0.8);
}

.btn-glass {
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  backdrop-filter: var(--glass-blur);
}
.btn-glass:hover {
  background: rgba(139, 92, 246, 0.18);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 7px 16px;
  font-size: 0.85rem;
}

.btn-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-subtle);
  background: rgba(139, 92, 246, 0.08);
  color: var(--text-primary);
  transition: all var(--transition-normal);
}
.btn-icon:hover {
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.22);
  transform: translateY(-2px);
  color: var(--accent);
}
.btn-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Pulsing Status Badge */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: rgba(16, 185, 129, 0.10);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #86efac;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #4ade80;
  box-shadow: 0 0 10px #4ade80;
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  display: inline-block;
}

/* ==========================================================================
   LAYOUT CONTAINERS & SECTIONS
   ========================================================================== */
.container {
  width: min(var(--container-max), 90vw);
  margin: 0 auto;
  position: relative;
  z-index: 1;
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
}

@media (max-width: 480px) {
  .container {
    width: calc(100% - 28px);
  }
}

.page-main {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--nav-height) + 40px);
  min-height: 85vh;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section-header {
  margin-bottom: 48px;
  max-width: 720px;
}

.section-header.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.lead-text {
  font-size: 1.12rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   HERO SECTION (HOME)
   ========================================================================== */
.hero-section {
  min-height: calc(100vh - var(--nav-height));
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 40px;
  padding: 40px 0 80px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.hero-tagline {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
  margin-top: 6px;
}

.hero-now-card {
  margin: 12px 0;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--primary);
  font-size: 0.94rem;
  color: var(--text-light);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 10px;
}

/* 3D Orbital Canvas Stage */
.orbit-stage-wrapper {
  position: relative;
  aspect-ratio: 1;
  width: 100%;
  max-width: 520px;
  justify-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: pan-y;
}

.orbit-canvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: pan-y;
}

.orbit-fallback {
  display: none;
  position: absolute;
  inset: 20%;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #d8c8ff, var(--primary) 40%, #1e0e47);
  box-shadow: 0 0 100px var(--primary-glow);
}
.no-canvas .orbit-fallback {
  display: block;
}
.no-canvas .orbit-canvas {
  display: none;
}

.orbit-nodes-bar {
  position: absolute;
  bottom: 0px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.orbit-node-btn {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-light);
  transition: all var(--transition-normal);
}
.orbit-node-btn:hover {
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.25);
  color: #ffffff;
  transform: translateY(-2px);
}

@media (max-width: 960px) {
  .hero-section {
    grid-template-columns: 1fr;
    text-align: left;
    padding-top: 20px;
    gap: 32px;
  }
  .orbit-stage-wrapper {
    max-width: 340px;
    margin: 10px auto 0;
  }
}

@media (max-width: 480px) {
  .orbit-stage-wrapper {
    max-width: 290px;
  }
  .orbit-nodes-bar {
    gap: 6px;
  }
  .orbit-node-btn {
    font-size: 0.72rem;
    padding: 5px 10px;
  }
}

/* ==========================================================================
   STAT CARDS & HIGHLIGHT METRICS
   ========================================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 30px 0 60px;
}

.stat-card {
  padding: 24px 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  backdrop-filter: var(--glass-blur);
  transition: transform var(--transition-normal), border-color var(--transition-normal);
  text-align: center;
}
.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.stat-number {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (max-width: 900px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}
@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 20px 0 40px;
  }
  .stat-card {
    padding: 16px 10px;
  }
  .stat-number {
    font-size: 1.65rem;
  }
  .stat-label {
    font-size: 0.72rem;
    letter-spacing: 0.05em;
  }
}

/* ==========================================================================
   PROJECT CARDS & GALLERY
   ========================================================================== */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
  align-items: center;
}

.filter-tab {
  padding: 8px 20px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition-normal);
}
.filter-tab:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}
.filter-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 20px -4px rgba(139, 92, 246, 0.6);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: 28px;
}

.project-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(20, 20, 45, 0.7) 0%, rgba(11, 11, 26, 0.85) 100%);
  backdrop-filter: var(--glass-blur);
  overflow: hidden;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
}

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

.project-card-header {
  height: 180px;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 120%, rgba(139, 92, 246, 0.28), transparent 70%), var(--bg-deep);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.project-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.project-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-status {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  color: var(--accent);
}
.project-status.live {
  border-color: rgba(16, 185, 129, 0.4);
  color: #86efac;
}

.project-title {
  font-size: 1.28rem;
  color: var(--text-primary);
  font-weight: 700;
}

.project-blurb {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.tech-chip {
  font-size: 0.74rem;
  font-weight: 500;
  padding: 4px 11px;
  border-radius: var(--radius-full);
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-light);
}

.project-actions {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 12px;
}

@media (max-width: 600px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .project-card-header {
    height: 150px;
    padding: 14px;
  }
  .project-card-body {
    padding: 18px 16px;
    gap: 12px;
  }
  .project-title {
    font-size: 1.15rem;
  }
  .project-actions {
    flex-wrap: wrap;
    gap: 8px;
  }
  .project-actions .btn {
    flex: 1 1 calc(50% - 6px);
    justify-content: center;
    padding: 8px 12px;
  }
}

/* ==========================================================================
   ABOUT & PROFILE
   ========================================================================== */
.about-split {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 60px;
  align-items: start;
}

.profile-card-wrapper {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
}

.profile-frame {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 12px;
  background: linear-gradient(145deg, rgba(139, 92, 246, 0.4), rgba(196, 181, 253, 0.08));
  box-shadow: 0 30px 80px -25px rgba(139, 92, 246, 0.5);
  border: 1px solid var(--border-subtle);
}

.profile-img {
  width: 100%;
  aspect-ratio: 640 / 695;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-lg);
  display: block;
}

.profile-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 20px;
}

.info-tile {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
}
.info-tile small {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2px;
}
.info-tile span {
  font-weight: 600;
  font-size: 0.95rem;
}

/* Timeline Components */
.timeline {
  position: relative;
  padding-left: 28px;
  margin: 32px 0;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 7px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--secondary), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-dark);
  border: 3px solid var(--primary);
  box-shadow: 0 0 12px var(--primary);
}

.timeline-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}
.timeline-date {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
}

@media (max-width: 900px) {
  .about-split {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .profile-card-wrapper {
    position: static;
    max-width: 380px;
    margin: 0 auto;
  }
}

@media (max-width: 600px) {
  .profile-frame {
    padding: 8px;
  }
  .profile-info-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-top: 14px;
  }
  .info-tile {
    padding: 10px 12px;
  }
  .info-tile span {
    font-size: 0.88rem;
  }
  .timeline {
    padding-left: 22px;
    margin: 24px 0;
  }
  .timeline-item::before {
    left: -22px;
    width: 12px;
    height: 12px;
    top: 5px;
  }
}

/* ==========================================================================
   ENGINEERING ETHOS BANNER (HOME CALLOUT)
   ========================================================================== */
.ethos-banner {
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: 48px 36px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.12) 0%, rgba(11, 11, 26, 0.8) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 900px) {
  .ethos-banner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 28px 20px;
    border-radius: var(--radius-lg);
  }
}

/* ==========================================================================
   SKILLS & CERTIFICATIONS
   ========================================================================== */
.skills-category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 24px;
}

.skills-category-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  transition: all var(--transition-normal);
}
.skills-category-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.skills-category-card h3 {
  font-size: 1.15rem;
  color: var(--accent);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.skill-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: rgba(11, 11, 26, 0.6);
  transition: all var(--transition-normal);
}
.skill-row:hover {
  border-color: var(--secondary);
  transform: translateX(4px);
  background: rgba(139, 92, 246, 0.09);
}

@media (max-width: 600px) {
  .skills-category-card {
    padding: 20px 16px;
  }
  .skill-row {
    padding: 8px 10px;
    gap: 8px;
  }
  .skill-name {
    font-size: 0.88rem;
  }
}

.skill-name {
  font-weight: 600;
  font-size: 0.92rem;
}
.skill-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.skill-badge {
  font-size: 0.72rem;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: rgba(139, 92, 246, 0.12);
  color: var(--accent);
}

/* Certifications Carousel & Grid */
.cert-track-wrapper {
  position: relative;
  margin: 20px 0 40px;
}

.cert-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 20px 4px 30px;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) transparent;
}

.cert-card {
  flex: 0 0 min(350px, 84vw);
  scroll-snap-align: start;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all var(--transition-normal);
  backdrop-filter: var(--glass-blur);
}
.cert-card:hover, .cert-card.act {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.cert-preview-img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: contain;
  background: #ffffff;
  border-radius: var(--radius-md);
}

.cert-info h3 {
  font-size: 1.05rem;
  line-height: 1.35;
  margin-top: 4px;
}
.cert-info small {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
}
.cert-info p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.cert-controls {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-bottom: 12px;
}

.cert-ctrl-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-primary);
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  transition: all var(--transition-normal);
}
.cert-ctrl-btn:hover {
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.25);
  transform: scale(1.05);
}

/* ==========================================================================
   CONTACT & GEO LOCATION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: start;
}

.contact-form-card {
  padding: 36px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
}

.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-light);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 13px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: rgba(11, 11, 26, 0.8);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 16px;
  transition: all var(--transition-normal);
}
.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 16px -2px rgba(139, 92, 246, 0.4);
  background: rgba(18, 18, 42, 0.9);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

/* GEO Location Card */
.geo-card {
  padding: 30px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.geo-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.geo-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid var(--border-glow);
  display: grid;
  place-items: center;
  color: var(--accent);
  font-size: 1.4rem;
}

.geo-coordinates {
  font-family: 'Outfit', monospace;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: rgba(11, 11, 26, 0.7);
  border: 1px solid var(--border-subtle);
  color: var(--accent);
}

.contact-quick-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.quick-connect-tile {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: rgba(11, 11, 26, 0.5);
  transition: all var(--transition-normal);
}
.quick-connect-tile:hover {
  border-color: var(--border-glow);
  transform: translateX(4px);
  background: rgba(139, 92, 246, 0.1);
}

.tile-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.quick-connect-tile:hover .tile-icon {
  background: rgba(139, 92, 246, 0.25);
  border-color: var(--accent);
  color: #fff;
  transform: scale(1.05);
}

.pillar-icon-box {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 12px;
}

.spec-icon {
  display: inline-block;
  vertical-align: -3px;
  margin-right: 6px;
  color: var(--accent);
  flex-shrink: 0;
}

.project-header-svg {
  display: inline-block;
  color: var(--accent);
  filter: drop-shadow(0 0 14px rgba(139, 92, 246, 0.45));
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.project-card:hover .project-header-svg {
  transform: scale(1.12);
  color: var(--accent-hover);
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}
@media (max-width: 600px) {
  .contact-form-card, .geo-card {
    padding: 22px 16px;
    border-radius: var(--radius-lg);
  }
  .quick-connect-tile {
    padding: 12px 14px;
    gap: 12px;
  }
  .quick-connect-tile a, .quick-connect-tile span {
    word-break: break-all;
  }
}

/* ==========================================================================
   MODAL DIALOGS (PROJECT & CERTIFICATE)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(7, 7, 16, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow-y: auto;
}
.modal-overlay.open {
  display: flex;
}

.modal-content {
  position: relative;
  width: min(840px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-glow);
  background: var(--bg-deep);
  padding: 36px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.9), 0 0 0 1px var(--border-glow);
  animation: modal-pop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modal-pop {
  0% { opacity: 0; transform: scale(0.95) translateY(10px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-close-btn {
  position: sticky;
  top: 0;
  float: right;
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: var(--bg-dark);
  color: var(--text-primary);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  transition: all var(--transition-normal);
}
.modal-close-btn:hover {
  border-color: var(--accent);
  background: var(--primary);
  color: #ffffff;
}

.modal-body h4 {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 22px 0 8px;
}

.modal-body ul {
  padding-left: 20px;
  margin: 8px 0;
  color: var(--text-muted);
}
.modal-body li {
  margin-bottom: 6px;
}

/* Certificate Viewer Inside Modal */
.cert-viewer-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
}
.cert-viewer-caption {
  font-size: 0.92rem;
  color: var(--text-light);
  font-weight: 600;
}
.cert-full-img {
  width: auto;
  max-width: 100%;
  max-height: 72vh;
  margin: 0 auto 16px;
  border-radius: var(--radius-md);
  background: #ffffff;
  display: block;
  box-shadow: var(--shadow-md);
}

@media (max-width: 640px) {
  .modal-overlay {
    padding: 12px;
    align-items: flex-end;
  }
  .modal-content {
    padding: 22px 16px;
    border-radius: var(--radius-lg);
    max-height: 90vh;
  }
  .modal-close-btn {
    width: 38px;
    height: 38px;
  }
  .cert-full-img {
    max-height: 52vh;
  }
  .cert-viewer-controls {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 40px;
  background: linear-gradient(180deg, transparent 0%, rgba(11, 11, 26, 0.8) 100%);
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  margin: 12px 0 18px;
  max-width: 320px;
  font-size: 0.92rem;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 0.92rem;
}
.footer-links a:hover {
  color: var(--text-primary);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid rgba(196, 181, 253, 0.08);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.geo-meta-tag-pill {
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--accent);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 540px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }
}

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  background: rgba(15, 15, 34, 0.94);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glow);
  color: var(--text-primary);
  font-size: 0.92rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toast-slide 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes toast-slide {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Print Styling */
@media print {
  .site-nav, #progress-bar, .orbit-stage-wrapper, .modal-overlay, #toast-container {
    display: none !important;
  }
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
}