/* ==========================================================================
   Nilamadhaba Barik — Senior DevOps & SRE Lead Portfolio Design System
   Color Palette: Deep Obsidian (#080c14, #0b0f17), Cyan (#38bdf8), 
                  Emerald (#10b981), Amber (#f59e0b), Purple (#818cf8)
   ========================================================================== */

:root {
  /* Core Color Tokens (Default: Cyber Obsidian) */
  --bg-primary: #080c14;
  --bg-secondary: #0e1422;
  --bg-tertiary: #141c2e;
  --bg-card: rgba(16, 24, 40, 0.75);
  --bg-card-hover: rgba(22, 33, 56, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(56, 189, 248, 0.35);

  /* Accent Colors */
  --cyan-primary: #38bdf8;
  --cyan-glow: rgba(56, 189, 248, 0.25);
  --cyan-dark: #0284c7;
  --emerald-primary: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.25);
  --purple-primary: #818cf8;
  --amber-primary: #f59e0b;
  --rose-primary: #f43f5e;

  /* Typography Colors */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dark: #0f172a;

  /* Ambient Glow Opacity */
  --glow-opacity: 0.18;

  /* Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions & Shadows */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 28px var(--cyan-glow);

  /* Layout */
  --container-width: 1200px;
  --header-height: 74px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  position: relative;
  overflow-x: hidden;
  background-image: 
    radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, transparent 95%, rgba(0, 0, 0, 0.3) 100%);
  background-size: 28px 28px, 100% 100%;
}

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

ul {
  list-style: none;
}

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

img, svg {
  vertical-align: middle;
}

/* ==========================================================================
   Ambient Background Glows
   ========================================================================== */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: var(--glow-opacity, 0.18);
  transition: opacity var(--transition-slow);
}

.glow-1 {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, var(--cyan-primary), transparent 70%);
  top: -100px;
  left: -150px;
}

.glow-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--emerald-primary), transparent 70%);
  top: 40%;
  right: -150px;
}

.glow-3 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--purple-primary), transparent 70%);
  bottom: 5%;
  left: 10%;
}

/* ==========================================================================
   Typography & Helper Classes
   ========================================================================== */
.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, var(--cyan-primary) 50%, var(--emerald-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-cyan { color: var(--cyan-primary); }
.text-emerald { color: var(--emerald-primary); }
.text-muted { color: var(--text-muted); }

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--cyan-primary);
}

.pulsing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--cyan-primary);
  box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.7);
  animation: pulseDot 2s infinite;
}

.pulsing-dot.green {
  background-color: var(--emerald-primary);
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
}

@keyframes pulseDot {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(56, 189, 248, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(56, 189, 248, 0);
  }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan-primary) 0%, var(--cyan-dark) 100%);
  color: #04101d;
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(56, 189, 248, 0.55);
  color: #000;
}

.btn-outline {
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--cyan-primary);
  background: rgba(56, 189, 248, 0.08);
  color: var(--cyan-primary);
  transform: translateY(-2px);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

.social-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: var(--transition-normal);
}

.social-icon-btn:hover {
  color: var(--cyan-primary);
  border-color: var(--cyan-primary);
  background: rgba(56, 189, 248, 0.1);
  transform: translateY(-2px);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(8, 12, 20, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(8, 12, 20, 0.92);
  box-shadow: var(--shadow-sm);
}

.header-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.logo-symbol {
  color: var(--cyan-primary);
}

.logo-text {
  color: var(--text-primary);
}

.accent-dot {
  color: var(--emerald-primary);
}

.nav-menu {
  display: flex;
}

.nav-list {
  display: flex;
  gap: 28px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan-primary);
  transition: var(--transition-normal);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--emerald-primary);
  display: inline-block;
  box-shadow: 0 0 6px var(--emerald-primary);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
}

.hamburger-bar {
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-normal);
  border-radius: 2px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  padding-top: calc(var(--header-height) + 36px);
  padding-bottom: 60px;
  z-index: 1;
}

/* Hero Profile Avatar Row */
.hero-profile-avatar-row {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-bottom: 24px;
}

.profile-avatar-wrapper {
  position: relative;
  width: 104px;
  height: 104px;
  border-radius: 50%;
  flex-shrink: 0;
}

.profile-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  border-radius: 50%;
  display: block;
  border: 3px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 24px var(--cyan-glow);
  transition: var(--transition-normal);
}

.avatar-glow-ring {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: conic-gradient(from 180deg, var(--cyan-primary), var(--emerald-primary), var(--cyan-primary));
  opacity: 0.55;
  filter: blur(4px);
  z-index: -1;
  animation: rotateGlow 8s linear infinite;
}

@keyframes rotateGlow {
  100% {
    transform: rotate(360deg);
  }
}

.avatar-status-dot {
  position: absolute;
  bottom: 4px;
  right: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--emerald-primary);
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 8px var(--emerald-primary);
  animation: pulseDot 2s infinite;
}

.profile-avatar-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero-profile-avatar-row .hero-badge {
  margin-bottom: 0;
}

.hero-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--cyan-primary);
  margin-bottom: 20px;
  font-family: var(--font-heading);
}

.divider-slash {
  color: var(--text-muted);
  margin: 0 6px;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 580px;
  margin-bottom: 32px;
}

.hero-description strong {
  color: var(--emerald-primary);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

/* Terminal Card */
.terminal-card {
  background: rgba(11, 15, 23, 0.9);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(56, 189, 248, 0.07);
  overflow: hidden;
  backdrop-filter: blur(20px);
  font-family: var(--font-mono);
  font-size: 0.84rem;
}

.terminal-header {
  background: rgba(20, 28, 46, 0.9);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

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

.dot-red { background: #ef4444; }
.dot-yellow { background: #eab308; }
.dot-green { background: #22c55e; }

.terminal-title {
  margin-left: 16px;
  color: var(--text-muted);
  font-size: 0.78rem;
  flex-grow: 1;
}

.live-pill {
  font-size: 0.7rem;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--emerald-primary);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

.terminal-body {
  padding: 20px;
  line-height: 1.6;
}

.terminal-row {
  margin-bottom: 6px;
  word-break: break-all;
}

.t-prompt {
  color: var(--cyan-primary);
  font-weight: bold;
}

.t-cmd {
  color: #f8fafc;
  font-weight: 600;
}

.t-success {
  color: var(--emerald-primary);
  margin-right: 4px;
}

.t-label {
  color: var(--text-secondary);
}

.t-val {
  font-weight: 600;
}

.typing-row {
  margin-top: 10px;
  display: flex;
  align-items: center;
}

.typing-text {
  color: var(--cyan-primary);
  margin-left: 6px;
}

.cursor {
  color: var(--cyan-primary);
  animation: blink 1s infinite;
}

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

/* Metrics Bar */
.metrics-bar {
  max-width: var(--container-width);
  margin: 50px auto 0;
  padding: 0 24px;
}

.metrics-grid {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  box-shadow: var(--shadow-md);
}

.metric-card {
  text-align: center;
  position: relative;
}

.metric-card:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--border-color);
}

.metric-number-wrapper {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  color: var(--cyan-primary);
  margin-bottom: 6px;
}

.metric-symbol {
  color: var(--emerald-primary);
}

.metric-label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.metric-subtext {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ==========================================================================
   Sections Common
   ========================================================================== */
.section {
  padding: 90px 0;
  position: relative;
  z-index: 1;
}

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

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cyan-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  display: inline-block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

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

.section-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan-primary), var(--emerald-primary));
  margin: 16px auto 0;
  border-radius: var(--radius-full);
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 36px;
}

.about-text-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.about-heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 18px;
  color: var(--cyan-primary);
}

.about-text-card p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 1rem;
}

.about-text-card p strong {
  color: var(--text-primary);
}

.about-highlights-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-pill {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.about-pill strong {
  color: var(--text-primary);
}

.about-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* About Section Profile Showcase Card */
.about-profile-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  position: relative;
  overflow: hidden;
  transition: var(--transition-normal);
}

.about-profile-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.about-avatar-wrapper {
  position: relative;
  width: 90px;
  height: 90px;
  flex-shrink: 0;
}

.about-profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.badge-role-pill {
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(8, 12, 20, 0.95);
  border: 1px solid rgba(16, 185, 129, 0.4);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--emerald-primary);
  white-space: nowrap;
}

.about-profile-caption {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.about-owner-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.about-owner-role {
  font-size: 0.85rem;
  color: var(--cyan-primary);
  font-weight: 500;
}

.about-exp-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-top: 4px;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  backdrop-filter: blur(14px);
}

.info-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

.info-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.info-label {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--cyan-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.info-val {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 500;
}

.email-text {
  word-break: break-all;
}

/* ==========================================================================
   Core Expertise Section
   ========================================================================== */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.expertise-card {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: var(--transition-slow);
  overflow: hidden;
}

.expertise-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(56, 189, 248, 0.1);
}

.card-glow-bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, var(--cyan-glow), transparent 70%);
  pointer-events: none;
}

.expertise-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--cyan-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.expertise-icon-box.icon-emerald {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--emerald-primary);
}

.expertise-icon-box.icon-purple {
  background: rgba(129, 140, 248, 0.1);
  border-color: rgba(129, 140, 248, 0.3);
  color: var(--purple-primary);
}

.expertise-icon-box.icon-amber {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--amber-primary);
}

.expertise-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.expertise-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.expertise-points {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.expertise-points li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.expertise-points li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--cyan-primary);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-chip {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

/* ==========================================================================
   Skills Section
   ========================================================================== */
.skills-filter-container {
  margin-bottom: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.search-input-wrapper {
  position: relative;
  max-width: 500px;
  margin: 0 auto;
  width: 100%;
}

.search-input-wrapper svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-input-wrapper input {
  width: 100%;
  padding: 14px 44px 14px 46px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition-normal);
}

.search-input-wrapper input:focus {
  border-color: var(--cyan-primary);
  box-shadow: 0 0 16px var(--cyan-glow);
}

.clear-search-btn {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.3rem;
  cursor: pointer;
  display: none;
}

.clear-search-btn.active {
  display: block;
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.filter-pill {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-pill:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.filter-pill.active {
  background: var(--cyan-primary);
  color: #04101d;
  font-weight: 600;
  border-color: var(--cyan-primary);
  box-shadow: 0 0 14px var(--cyan-glow);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.skill-item {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.skill-item:hover {
  border-color: var(--cyan-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.skill-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.skill-level {
  margin-bottom: 8px;
}

.level-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.level-badge.expert {
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald-primary);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.level-badge.proficient {
  background: rgba(56, 189, 248, 0.15);
  color: var(--cyan-primary);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.skill-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: auto;
}

/* ==========================================================================
   Experience Timeline
   ========================================================================== */
.timeline-container {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline-container::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan-primary) 0%, var(--emerald-primary) 70%, transparent 100%);
}

.timeline-item {
  position: relative;
  display: flex;
  gap: 32px;
  margin-bottom: 50px;
}

.timeline-marker {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--cyan-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  z-index: 2;
  box-shadow: 0 0 16px var(--cyan-glow);
}

.timeline-content {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  flex-grow: 1;
  transition: var(--transition-normal);
}

.timeline-content:hover {
  border-color: rgba(56, 189, 248, 0.3);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.timeline-company {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--cyan-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.timeline-role {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.role-badge {
  font-size: 0.72rem;
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald-primary);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
}

.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.timeline-env-tag {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.timeline-project-info {
  background: rgba(255, 255, 255, 0.02);
  border-left: 3px solid var(--cyan-primary);
  padding: 14px 18px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 22px;
}

.timeline-project-info strong {
  display: block;
  color: var(--text-primary);
  margin-bottom: 4px;
  font-size: 0.95rem;
}

.timeline-project-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.achievements-heading {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.achievement-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.achievement-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.achievement-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--emerald-primary);
  font-weight: bold;
}

.achievement-list strong {
  color: var(--text-primary);
}

.timeline-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

/* ==========================================================================
   Domain Specializations & Education
   ========================================================================== */
.domains-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.domain-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition-normal);
}

.domain-card:hover {
  transform: translateY(-3px);
  border-color: rgba(56, 189, 248, 0.3);
}

.domain-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.domain-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.domain-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.education-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.edu-badge-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.edu-degree {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.edu-major {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--text-primary);
  margin: 4px 0 6px;
}

.edu-institution {
  font-size: 1.05rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 6px;
}

.edu-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 40px;
  align-items: start;
}

.contact-info-col {
  display: flex;
  flex-direction: column;
  gap: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.contact-card-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--text-primary);
}

.contact-intro {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

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

.contact-channel-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  transition: var(--transition-normal);
}

.contact-channel-card:hover {
  border-color: var(--cyan-primary);
  transform: translateX(4px);
  background: var(--bg-card-hover);
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.1);
  color: var(--cyan-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.channel-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.channel-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.channel-val {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 500;
  word-break: break-all;
}

.availability-box {
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-md);
  padding: 18px;
}

.avail-header {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--emerald-primary);
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.availability-box p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Contact Form */
.contact-form {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition-normal);
}

.form-input:focus {
  border-color: var(--cyan-primary);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 14px var(--cyan-glow);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-status {
  margin-top: 16px;
  padding: 12px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  text-align: center;
}

.form-status.success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--emerald-primary);
}

.form-status.error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 50px 0 30px;
  position: relative;
  z-index: 1;
}

.footer-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--cyan-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Floating Controls & Toast
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  color: var(--cyan-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--cyan-primary);
  color: #04101d;
  transform: translateY(-3px);
  box-shadow: 0 0 20px var(--cyan-glow);
}

.toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: rgba(16, 24, 40, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-highlight);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg), 0 0 20px rgba(56, 189, 248, 0.25);
  animation: slideToast 0.3s ease forwards;
  pointer-events: auto;
}

@keyframes slideToast {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-description {
    max-width: 100%;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .metric-card:nth-child(2)::after {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .expertise-grid {
    grid-template-columns: 1fr;
  }

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

  .domains-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-info-col {
    padding: 28px 24px;
  }

  .contact-form {
    padding: 28px;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.15rem;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.85rem;
  }

  .mobile-toggle {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: rgba(8, 12, 20, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 24px;
    display: none;
  }

  .nav-menu.open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    gap: 18px;
    text-align: center;
  }

  .timeline-container::before {
    left: 20px;
  }

  .timeline-marker {
    width: 44px;
    height: 44px;
    font-size: 1.1rem;
  }

  .timeline-item {
    gap: 16px;
  }

  .timeline-content {
    padding: 20px;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .education-card {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .metric-card::after {
    display: none !important;
  }

  .hero-title {
    font-size: 2.1rem;
  }
}

/* ==========================================================================
   Print Styles (Optimized for One-Click Print / PDF Saving)
   ========================================================================== */
@media print {
  body {
    background: #fff !important;
    color: #000 !important;
  }

  .site-header, .ambient-glow, .hero-cta-group, 
  .skills-filter-container, .contact-form-col, 
  .back-to-top, .toast-container, .site-footer {
    display: none !important;
  }

  .hero-section {
    padding-top: 20px;
  }

  .gradient-text {
    background: none;
    -webkit-text-fill-color: #000;
    color: #000;
  }

  .hero-title, .section-title, h3, h4 {
    color: #000 !important;
  }

  .metric-card, .about-text-card, .expertise-card, 
  .skill-item, .timeline-content, .domain-card, .education-card {
    background: #fff !important;
    border: 1px solid #ccc !important;
    color: #000 !important;
    box-shadow: none !important;
  }

  p, span, li {
    color: #222 !important;
  }
}