@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  /* Typography - single font stack */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --text-base: 1rem;
  --text-sm: 0.875rem;
  --text-xs: 0.8125rem;
  --text-lg: 1.125rem;

  /* Enhanced Color System */
  --bg-primary: #0A0E27;
  --bg-secondary: #0F1419;
  --bg-tertiary: #141922;
  
  --surface-1: rgba(20, 25, 34, 0.6);
  --surface-2: rgba(30, 37, 50, 0.4);
  --surface-3: rgba(40, 47, 60, 0.5);
  
  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --text-faint: #64748B;
  
  /* Accent Colors - More sophisticated palette */
  --accent-teal: #14B8A6;
  --accent-teal-light: #2DD4BF;
  --accent-teal-dark: #0D9488;
  
  --accent-blue: #3B82F6;
  --accent-blue-light: #60A5FA;
  
  --accent-purple: #8B5CF6;
  --accent-orange: #F59E0B;
  
  /* Gradient */
  --gradient-primary: linear-gradient(135deg, #14B8A6 0%, #3B82F6 100%);
  --gradient-accent: linear-gradient(135deg, #22D3EE 0%, #3B82F6 100%);
  --gradient-accent-hover: linear-gradient(135deg, #06B6D4 0%, #2563EB 100%);
  --gradient-card: linear-gradient(135deg, rgba(20, 184, 166, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
  
  /* Borders & Shadows */
  --border-subtle: rgba(148, 163, 184, 0.1);
  --border-medium: rgba(148, 163, 184, 0.2);
  --border-strong: rgba(148, 163, 184, 0.3);
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15), 0 10px 10px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(20, 184, 166, 0.2);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

/* ==================== TYPOGRAPHY ==================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-teal-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  position: relative;
  display: inline-block;
}

h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.subtitle {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--text-secondary);
  font-weight: 400;
}

.muted {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-top: var(--space-sm);
}

/* ==================== LAYOUT ==================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-lg);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }
}

.section {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  position: relative;
}

.section.alt {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-head {
  margin-bottom: var(--space-2xl);
}

.section-heading {
  text-align: left;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
  font-family: var(--font-sans);
}

/* ==================== NAVIGATION ==================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 14, 39, 0.85);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.navbar a {
  display: inline-block;
  color: var(--text-secondary);
  padding: 1rem 1.25rem;
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all var(--transition-fast);
  position: relative;
}

.navbar a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: var(--gradient-primary);
  transition: transform var(--transition-base);
}

.navbar a:hover {
  color: var(--accent-teal-light);
}

.navbar a:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.navbar a.active {
  color: var(--accent-teal);
}

.navbar a.active::after {
  transform: translateX(-50%) scaleX(1);
}

.navbar .icon {
  display: none;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: rgba(20, 184, 166, 0.2);
}

@media (max-width: 900px) {
  .navbar {
    display: flex;
    align-items: center;
    min-height: 52px;
  }

  .navbar a {
    width: 100%;
    display: none;
    min-height: 48px;
    align-items: center;
  }

  .navbar a.icon {
    display: flex;
    text-align: right;
    margin-left: auto;
    width: auto;
    padding: 0.75rem 1rem;
  }

  .navbar.responsive {
    background: rgba(15, 20, 41, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    text-align: left;
  }

  .navbar.responsive a {
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-subtle);
  }

  .navbar.responsive a.icon {
    position: absolute;
    top: 0;
    right: 0;
    width: auto;
    margin-left: 0;
  }
}

/* ==================== CARDS ==================== */
.card {
  background: var(--surface-1);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover::before {
  opacity: 1;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-strong);
}

.card p {
  margin-top: var(--space-md);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  color: var(--text-secondary);
  line-height: 1.7;
}

.grid {
  display: grid;
  gap: var(--space-lg);
}

.cards-1 { grid-template-columns: 1fr; }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.cards-3 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 1000px) {
  .cards-2, .cards-3 {
    grid-template-columns: 1fr;
  }
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all var(--transition-base);
  background: var(--surface-2);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width var(--transition-base), height var(--transition-base);
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent-teal);
  box-shadow: var(--shadow-glow);
}

.btn.primary {
  background: var(--gradient-primary);
  border: none;
  color: white;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.btn.primary:hover {
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  transform: translateY(-3px);
}

.btn.small {
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  background: var(--gradient-accent);
  border: none;
  color: var(--bg-primary);
  box-shadow: 0 4px 12px rgba(34, 211, 238, 0.3);
}

.btn.small:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(34, 211, 238, 0.4);
  background: var(--gradient-accent-hover);
}

.btn-md {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

/* ==================== HERO SECTION ==================== */
.hero {
  padding: clamp(4rem, 10vw, 6rem) 0 clamp(3rem, 8vw, 5rem);
  position: relative;
  overflow: hidden;
}

.hero-gis::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.15), transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(20, 184, 166, 0.15), transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(139, 92, 246, 0.1), transparent 50%);
  pointer-events: none;
  opacity: 0.6;
}

.hero-gis::after {
  content: "";
  position: absolute;
  inset: -50%;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  transform: rotate(-5deg);
  opacity: 0.4;
  pointer-events: none;
  animation: gridSlide 60s linear infinite;
}

@keyframes gridSlide {
  0% { transform: rotate(-5deg) translateY(0); }
  100% { transform: rotate(-5deg) translateY(80px); }
}

.hero.hero-gis {
  padding: 3.5rem 0 2.5rem;
  min-height: auto;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2rem;
  align-items: center;
}

.hero-left h1 {
  margin-bottom: 0.6rem;
}

.hero-right {
  display: flex;
  justify-content: flex-end;
}

.hero-image {
  width: min(350px, 100%);
  height: auto;
  max-height: 350px;
  object-fit: cover;
  border-radius: var(--radius-xl);
}

.hero-image:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl), 0 0 30px rgba(20, 184, 166, 0.3);
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

.resume-row {
  margin-top: 1rem;
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .hero-left .profile-meta {
    align-items: center;
  }

  .hero-left .resume-row {
    justify-content: center;
  }

  .hero-right {
    order: -1;
    margin-bottom: var(--space-xl);
  }
}

/* ==================== PROFILE META ==================== */
.profile-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin: 0.6rem 0 1rem;
}

.meta-location {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  width: fit-content;
  max-width: 100%;
  font-size: 0.9375rem;
  text-decoration: none;
  color: var(--text-secondary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
  flex-wrap: wrap;
}

.meta-location:hover {
  background: var(--surface-3);
  transform: translateY(-2px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
}

.meta-location .status {
  color: var(--accent-teal);
  font-weight: 600;
}

.meta-location .relocate {
  color: var(--accent-teal);
  font-weight: 600;
}

.meta-location .ext {
  font-size: 0.75rem;
  opacity: 0.8;
  color: var(--accent-teal-light);
}

/* Nepal → USA Journey Badge */
.journey-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  width: fit-content;
  margin: var(--space-lg) 0;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-full);
  text-decoration: none;
  color: var(--text-primary);
  background: var(--surface-2);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.journey-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-card);
  transition: left var(--transition-slow);
}

.journey-link:hover::before {
  left: 0;
}

.journey-link:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
}

.journey-link > * {
  position: relative;
  z-index: 1;
}

.journey-text {
  font-size: 1rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
  font-weight: 500;
}

.journey-sep {
  opacity: 0.6;
  margin: 0 var(--space-sm);
  font-weight: 600;
}

.journey-meta {
  margin-left: var(--space-sm);
  font-size: 0.875rem;
  opacity: 0.7;
  padding-left: var(--space-md);
  border-left: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.journey-icon {
  margin-left: var(--space-xs);
  font-size: 0.875rem;
  color: var(--accent-teal-light);
}

.journey-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
  background: var(--accent-teal);
  box-shadow: 0 0 10px rgba(20, 184, 166, 0.5);
  animation: pulse 2s ease-in-out infinite;
}

@media (max-width: 600px) {
  .journey-link {
    flex-wrap: wrap;
    width: 100%;
    justify-content: center;
    text-align: center;
    padding: var(--space-md);
  }

  .journey-text {
    white-space: normal;
  }

  .journey-meta {
    width: 100%;
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    margin-top: var(--space-xs);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

/* ==================== SOCIAL ICONS ==================== */
.social-row {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  align-items: center;
}

.social-row .fa {
  padding: 0.875rem;
  width: 48px;
  height: 48px;
  text-align: center;
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-row .fa:hover {
  transform: translateY(-4px) scale(1.05);
  color: var(--accent-teal);
  border-color: var(--accent-teal);
  background: var(--surface-3);
  box-shadow: var(--shadow-glow);
}

/* ==================== ABOUT ==================== */
.about-pro {
  width: 100%;
  max-width: 100%;
}

.about-pro-right.full-width {
  width: 100%;
}

.about-text p {
  text-align: justify;
  text-justify: inter-word;
  line-height: 1.8;
  hyphens: auto;
}

.about-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.fa-external-link {
  color: var(--accent-teal-light) !important;
  opacity: 1 !important;
}

@media (max-width: 900px) {
  .about-pro {
    grid-template-columns: 1fr;
  }
}

/* ==================== JOB CARDS (EXPERIENCE) ==================== */
.job-card {
  background: var(--surface-1);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.job-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--gradient-primary);
  transition: height var(--transition-base);
}

.job-card:hover::before {
  height: 100%;
}

.job-card:hover {
  transform: translateX(4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg);
}

.job-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}

.job-title {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.125rem;
}

.job-title b {
  color: var(--text-primary);
  font-weight: 700;
}

.job-title .dot {
  color: var(--text-faint);
  font-weight: 300;
}

.job-title .company {
  color: var(--accent-teal);
  font-weight: 600;
}

.job-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(15, 20, 25, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.job-btn:hover {
  background: rgba(20, 25, 30, 0.95);
  border-color: var(--text-muted);
  color: var(--text-primary);
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

.job-btn.no-pointer {
  pointer-events: none;
}

.job-meta {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--space-lg);
  font-weight: 500;
}

.job-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--surface-3);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.tag:hover {
  background: var(--surface-2);
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  transform: translateY(-2px);
}

/* Tag color variations */
.tag.ml::before {
  content: "●";
  color: var(--accent-teal);
  font-size: 0.75rem;
}

.tag.dl::before {
  content: "●";
  color: var(--accent-blue);
  font-size: 0.75rem;
}

.tag.security::before {
  content: "●";
  color: var(--accent-orange);
  font-size: 0.75rem;
}

.job-link-extra {
  margin-top: var(--space-lg);
}

.job-extra-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--bg-primary);
  background: var(--gradient-accent);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(34, 211, 238, 0.3);
  border: none;
}

.job-extra-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(34, 211, 238, 0.4);
  background: var(--gradient-accent-hover);
}

/* ==================== CUSTOM LISTS ==================== */
.custom-list {
  list-style: none;
  padding-left: 0;
  margin-top: var(--space-md);
}

.custom-list li {
  position: relative;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.custom-list li::before {
  content: "●";
  position: absolute;
  left: var(--space-sm);
  top: 0.125rem;
  color: var(--accent-teal);
  font-size: 1.25rem;
  font-weight: 400;
}

.custom-list li strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ==================== PROJECTS GRID ==================== */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .proj-grid {
    grid-template-columns: 1fr;
  }
}

.proj-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--surface-1);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all var(--transition-base);
  position: relative;
}

.proj-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.proj-card:hover::before {
  transform: scaleX(1);
}

.proj-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-strong);
}

.proj-meta {
  text-align: center;
  padding: var(--space-lg) var(--space-md) var(--space-sm);
}

.proj-cat {
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  font-size: 0.9375rem;
}

.proj-date {
  margin-top: var(--space-xs);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-teal);
  letter-spacing: 0.05em;
}

.proj-image-wrap {
  padding: 0 var(--space-md);
  margin-bottom: var(--space-md);
}

.proj-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--surface-2);
  transition: all var(--transition-base);
}

.proj-card:hover .proj-img {
  transform: scale(1.03);
}

.proj-body {
  padding: 0 var(--space-lg) var(--space-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.proj-title {
  text-align: center;
  font-weight: 700;
  font-size: 1.125rem;
  margin: var(--space-sm) 0 var(--space-md);
  color: var(--text-primary);
  line-height: 1.3;
}

.proj-desc {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  text-align: left;
  flex-grow: 1;
}

.proj-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--bg-primary);
  background: var(--gradient-accent);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(34, 211, 238, 0.3);
  margin-top: auto;
  border: none;
}

.proj-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(34, 211, 238, 0.4);
  background: var(--gradient-accent-hover);
}

/* ==================== ACHIEVEMENTS ==================== */
.achievements-list {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.achievement-card {
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-md);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  position: relative;
  transition: all var(--transition-base);
}

.achievement-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.achievement-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
}

.achievement-card h3 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.tag-row {
  display: flex;
  gap: var(--space-md);
  margin: var(--space-md) 0;
  flex-wrap: wrap;
}

/* ==================== RESEARCH / PUBLICATIONS ==================== */
.exp-card {
  position: relative;
  transition: all var(--transition-base);
}

.exp-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.exp-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
}

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.exp-header h3 {
  margin: 0;
  flex: 1;
}

/* ==================== SKILLS SECTION ==================== */
.skills-list {
  display: block;
  width: 100%;
  background: var(--surface-1);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.skills-list > div {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
}

.skills-list > div:last-child {
  border-bottom: none;
}

.skills-list dt {
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: var(--surface-2);
  width: 200px;
  min-width: 200px;
  padding: 0.625rem 1rem;
  margin: 0;
  display: flex;
  align-items: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.skills-list dd {
  margin: 0;
  flex: 1;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
  background: var(--surface-1);
  padding: 0.625rem 1rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.skill-item {
  color: var(--text-secondary);
  font-weight: 400;
  transition: color var(--transition-fast);
  cursor: default;
  display: inline;
}

.skill-item::after {
  content: '•';
  margin: 0 0.5rem;
  color: var(--text-faint);
  font-weight: 300;
  font-size: 0.625rem;
}

.skill-item:last-child::after {
  content: '';
  margin: 0;
}

.skill-item:hover {
  color: var(--accent-teal-light);
}

/* Responsive: Stack on mobile */
@media (max-width: 900px) {
  .skills-list > div {
    flex-direction: column;
  }
  
  .skills-list dt {
    width: 100%;
    min-width: 100%;
    padding: 0.5rem 0.75rem;
    white-space: normal;
  }
  
  .skills-list dd {
    padding: 0.5rem 0.75rem;
  }
}

/* ==================== EDUCATION ==================== */
.edu-card {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: var(--space-lg);
  align-items: center;
  transition: all var(--transition-base);
  position: relative;
}

.edu-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.edu-card:hover::before {
  opacity: 1;
}

.edu-link {
  text-decoration: none;
  cursor: pointer;
}

.edu-logo {
  width: 80px;
  height: 80px;
  object-fit: contain;
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}

.edu-card:hover .edu-logo {
  transform: scale(1.05);
  border-color: var(--accent-teal);
  box-shadow: var(--shadow-md);
}

.edu-right b {
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 700;
}

/* ==================== CERTIFICATION SLIDER ==================== */
.highlight-slider {
  position: relative;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--surface-1);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
  padding: var(--space-xl);
}

.hs-slides {
  position: relative;
  min-height: 400px;
}

.hs-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.hs-slide.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.hs-left {
  flex: 0 0 40%;
}

.hs-left h3 {
  font-size: 1.75rem;
  line-height: 1.2;
  margin: 0 0 var(--space-sm) 0;
  color: var(--text-primary);
}

.hs-text {
  margin-top: var(--space-md);
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  max-width: 680px;
}

.hs-actions {
  margin-top: var(--space-lg);
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hs-right {
  flex: 0 0 60%;
  display: flex;
  justify-content: center;
  align-items: center;
}


.hs-img {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: contain;
  border-radius: var(--radius-xl);
  background: var(--surface-2);
  padding: var(--space-lg);
  border: 1px solid var(--border-subtle);
  transition: transform var(--transition-base);
}


.hs-slide:hover .hs-img {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

.hs-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--surface-3);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-medium);
  color: var(--accent-teal);
  font-size: 1.25rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  cursor: pointer;
  z-index: 5;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.hs-nav:hover {
  border-color: var(--accent-teal);
  background: var(--accent-teal);
  color: white;
  transform: translateY(-50%) scale(1.1);
  box-shadow: var(--shadow-glow);
}

.hs-nav.prev { left: var(--space-lg); }
.hs-nav.next { right: var(--space-lg); }

.hs-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.hs-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--border-medium);
  background: var(--surface-2);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.hs-dot:hover {
  border-color: var(--accent-teal);
  transform: scale(1.2);
}

.hs-dot.active {
  background: var(--accent-teal);
  border-color: var(--accent-teal);
  box-shadow: var(--shadow-glow);
}

@media (max-width: 900px) {
  .hs-slide {
    flex-direction: column;
    text-align: center;
  }

  .hs-left,
  .hs-right {
    flex: 1 1 100%;
  }

  .hs-img {
    max-height: 350px;
  }
}


/* ==================== FOOTER ==================== */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-xl) 0 var(--space-lg);
  background: var(--bg-secondary);
  margin-top: var(--space-2xl);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

@media (max-width: 700px) {
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

.footer-icons {
  display: flex;
  gap: var(--space-md);
}

.footer-icons .fa {
  background: var(--surface-2);
}

.copyright {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-subtle);
}

/* ==================== UTILITY CLASSES ==================== */
.pill {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--surface-3);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kicker {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-teal);
  margin-bottom: var(--space-md);
}

.dot {
  color: var(--text-faint);
  font-weight: 300;
  margin: 0 var(--space-xs);
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card, .job-card, .proj-card, .achievement-card {
  animation: fadeIn 0.6s ease-out;
}

/* ==================== RESPONSIVE ADJUSTMENTS ==================== */
@media (max-width: 768px) {
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.375rem;
  }

  .hero {
    padding: 2.5rem 0 1.5rem;
  }

  .section {
    padding: 2rem 0;
  }

  .card,
  .job-card,
  .achievement-card {
    padding: var(--space-lg);
  }

  .social-row {
    justify-content: center;
  }

  .social-row .fa {
    padding: 0.75rem;
    width: 44px;
    height: 44px;
  }

  .job-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .edu-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .edu-logo {
    margin: 0 auto;
  }

  .hs-nav {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .hs-nav.prev {
    left: var(--space-sm);
  }

  .hs-nav.next {
    right: var(--space-sm);
  }

  .proj-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .proj-img {
    height: 200px;
  }
}

/* Touch-friendly tap highlight */
a, button, .btn, .navbar a {
  -webkit-tap-highlight-color: rgba(20, 184, 166, 0.15);
}

/* ==================== PRINT STYLES ==================== */
@media print {
  .navbar,
  .hero-gis::before,
  .hero-gis::after,
  .social-row,
  .btn,
  .footer {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .card,
  .job-card,
  .proj-card {
    border: 1px solid #ddd;
    box-shadow: none;
    page-break-inside: avoid;
  }
}