/* ==========================================================================
   GOBIKA S - PORTFOLIO STYLESHEET
   Design System: Modern Glassmorphism & High-Performance UI
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS RESET & DESIGN VARIABLES
   -------------------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&family=Fira+Code:wght@400;500&display=swap');

:root {
  /* Color Palette - Dark Theme (Default) */
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-tertiary: #1f293d;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 61, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.65);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(99, 102, 241, 0.35);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #818cf8;

  /* Accent Gradients */
  --primary-indigo: #6366f1;
  --primary-cyan: #06b6d4;
  --primary-violet: #8b5cf6;
  --primary-pink: #ec4899;
  --primary-emerald: #10b981;
  --primary-amber: #f59e0b;

  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --gradient-accent: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
  --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.25) 0%, rgba(6, 182, 212, 0.25) 100%);
  --gradient-card: linear-gradient(180deg, rgba(30, 41, 59, 0.4) 0%, rgba(15, 23, 42, 0.6) 100%);

  /* Shadows & Glows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 35px rgba(99, 102, 241, 0.25);
  --shadow-glow-cyan: 0 0 35px rgba(6, 182, 212, 0.25);

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Fira Code', monospace;

  /* Spacing & Layout */
  --container-max: 1200px;
  --nav-height: 80px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-glass: rgba(255, 255, 255, 0.75);
  --border-glass: rgba(203, 213, 225, 0.8);
  --border-glass-hover: rgba(99, 102, 241, 0.5);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-accent: #4f46e5;

  --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.12) 0%, rgba(6, 182, 212, 0.12) 100%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.9) 100%);
  --shadow-sm: 0 2px 8px rgba(100, 116, 139, 0.08);
  --shadow-md: 0 8px 24px rgba(100, 116, 139, 0.12);
  --shadow-lg: 0 16px 40px rgba(100, 116, 139, 0.16);
  --shadow-glow: 0 0 35px rgba(99, 102, 241, 0.15);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Background Ambient Elements */
.bg-ambient-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
  transition: opacity var(--transition-slow);
}

.ambient-blob-1 {
  width: 500px;
  height: 500px;
  background: var(--primary-indigo);
  top: -10%;
  right: -5%;
  animation: floatSlow 20s infinite alternate ease-in-out;
}

.ambient-blob-2 {
  width: 450px;
  height: 450px;
  background: var(--primary-cyan);
  bottom: 10%;
  left: -5%;
  animation: floatSlow 18s infinite alternate-reverse ease-in-out;
}

.ambient-blob-3 {
  width: 350px;
  height: 350px;
  background: var(--primary-violet);
  top: 45%;
  right: 15%;
  animation: floatSlow 24s infinite alternate ease-in-out;
}

@keyframes floatSlow {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 30px) scale(1.1); }
  100% { transform: translate(-30px, 50px) scale(0.95); }
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   2. TYPOGRAPHY & COMMON UTILITIES
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
}

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

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

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.gradient-accent-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(99, 102, 241, 0.1);
  color: var(--text-accent);
  border: 1px solid rgba(99, 102, 241, 0.25);
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto;
}

/* Glass Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal);
}

.glass-card:hover {
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-4px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.55);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glass-hover);
  color: var(--text-accent);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-outline:hover {
  border-color: var(--primary-cyan);
  color: var(--primary-cyan);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

/* --------------------------------------------------------------------------
   3. NAVIGATION BAR
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
}

.navbar.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: var(--shadow-sm);
  height: 70px;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
}

.brand-badge {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.8rem;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 0.4rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-fast);
  border-radius: var(--radius-full);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle-btn {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 1.1rem;
}

.theme-toggle-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-accent);
  color: var(--text-accent);
  transform: rotate(15deg);
}

.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   4. HERO SECTION
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: calc(var(--nav-height) + 3rem);
  padding-bottom: 5rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--primary-emerald);
  font-size: 0.85rem;
  font-weight: 600;
  width: fit-content;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--primary-emerald);
  box-shadow: 0 0 10px var(--primary-emerald);
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-greeting {
  font-size: 1.1rem;
  color: var(--text-accent);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-name {
  font-size: 3.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.hero-title-box {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.2rem;
}

.typed-text {
  color: var(--primary-cyan);
  font-weight: 700;
  border-right: 2px solid var(--primary-cyan);
  padding-right: 4px;
  animation: blinkCursor 0.75s step-end infinite;
}

@keyframes blinkCursor {
  from, to { border-color: transparent; }
  50% { border-color: var(--primary-cyan); }
}

.hero-bio {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 580px;
}

.hero-highlights-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.hero-tag i {
  color: var(--primary-indigo);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.hero-social-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.social-icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

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

.avatar-wrapper {
  position: relative;
  width: 380px;
  height: 440px;
  border-radius: var(--radius-lg);
  padding: 12px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, rgba(6, 182, 212, 0.2) 100%);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  overflow: visible;
}

.avatar-inner {
  width: 100%;
  height: 100%;
  border-radius: calc(var(--radius-lg) - 6px);
  background: var(--bg-secondary);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-glass);
}

/* High-Aesthetic Stylized Profile Illustration Card */
.profile-illustration {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 2.2rem 1.8rem;
  background: radial-gradient(circle at 50% 20%, rgba(99, 102, 241, 0.15) 0%, rgba(17, 24, 39, 0.95) 75%);
  position: relative;
}

.profile-avatar-circle {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4f46e5, #06b6d4);
  padding: 4px;
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
  position: relative;
}

.avatar-inner-circle {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.avatar-initials-art {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-heading);
  background: linear-gradient(135deg, #a5b4fc, #67e8f9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.avatar-tech-badge {
  position: absolute;
  bottom: 2px;
  right: 2px;
  background: var(--primary-indigo);
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  border: 2px solid var(--bg-secondary);
  box-shadow: var(--shadow-sm);
}

.profile-card-info {
  text-align: center;
}

.profile-card-name {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.profile-card-dept {
  font-size: 0.95rem;
  color: var(--primary-cyan);
  font-weight: 600;
}

.profile-card-college {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.35rem;
}

.profile-stats-mini {
  display: flex;
  justify-content: space-around;
  width: 100%;
  border-top: 1px solid var(--border-glass);
  padding-top: 1.2rem;
}

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

.mini-stat-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.mini-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Floating Badges */
.floating-badge {
  position: absolute;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 10;
  animation: floatCard 4s ease-in-out infinite alternate;
}

.badge-top-left {
  top: -20px;
  left: -25px;
}

.badge-bottom-right {
  bottom: -20px;
  right: -25px;
  animation-delay: 2s;
}

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

.badge-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.badge-icon.indigo {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-indigo);
}

.badge-icon.cyan {
  background: rgba(6, 182, 212, 0.15);
  color: var(--primary-cyan);
}

.badge-text-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.badge-text-sub {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Hero Stats Bar */
.hero-stats-row {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat-box {
  padding: 1.75rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-glow);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-accent);
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--text-primary);
}

.stat-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   5. ABOUT ME SECTION
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-narrative {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-intro-card {
  padding: 2.2rem;
}

.about-lead {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.about-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.about-info-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  border-top: 1px solid var(--border-glass);
  padding-top: 1.5rem;
}

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

.info-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.info-val {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 600;
  margin-top: 0.15rem;
}

.about-cards-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-box {
  padding: 1.75rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--gradient-glow);
  border: 1px solid var(--border-glass-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary-cyan);
  flex-shrink: 0;
}

.feature-content h4 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.feature-content p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   6. EDUCATION & ACADEMICS
   -------------------------------------------------------------------------- */
.edu-card-main {
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.edu-card-main::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--gradient-primary);
}

.edu-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.edu-degree {
  font-size: 1.6rem;
  font-weight: 800;
}

.edu-badge-year {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(99, 102, 241, 0.12);
  color: var(--text-accent);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
}

.edu-institution {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--primary-cyan);
  margin-bottom: 0.5rem;
}

.edu-affil {
  font-size: 0.95rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.edu-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  border-top: 1px solid var(--border-glass);
  padding-top: 1.5rem;
}

.edu-high-item {
  background: var(--bg-tertiary);
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
}

.edu-high-item .title {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.edu-high-item .desc {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   7. SKILLS MATRIX SECTION
   -------------------------------------------------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.skill-category-card {
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 1.2rem;
}

.category-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: var(--gradient-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-accent);
}

.category-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.skill-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.skill-name {
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-level-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.skill-progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.skill-progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-pill-tag {
  padding: 0.35rem 0.8rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.skill-pill-tag:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--primary-indigo);
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   8. LEADERSHIP & VOLUNTEER EXPERIENCE (TIMELINE)
   -------------------------------------------------------------------------- */
.timeline-wrapper {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 30px;
  width: 3px;
  background: linear-gradient(180deg, var(--primary-indigo) 0%, var(--primary-cyan) 50%, var(--primary-violet) 100%);
  border-radius: var(--radius-full);
}

.timeline-item {
  position: relative;
  padding-left: 80px;
  margin-bottom: 3rem;
}

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

.timeline-dot {
  position: absolute;
  left: 17px;
  top: 24px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 3px solid var(--primary-indigo);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.timeline-dot::after {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary-cyan);
}

.timeline-card {
  padding: 2rem;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.timeline-role {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
}

.timeline-org {
  font-size: 1rem;
  color: var(--primary-cyan);
  font-weight: 600;
}

.timeline-tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: var(--text-accent);
  font-size: 0.8rem;
  font-weight: 600;
}

.timeline-duties {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1rem;
}

.timeline-duties li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  line-height: 1.6;
}

.timeline-duties li i {
  color: var(--primary-indigo);
  margin-top: 0.3rem;
  font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   9. PROJECTS & PRESENTATIONS SHOWCASE
   -------------------------------------------------------------------------- */
.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.35);
  transform: translateY(-2px);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100%;
}

.project-card.hide {
  display: none;
}

.project-banner {
  height: 180px;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.95));
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-glass);
}

.project-banner-decor {
  font-size: 4rem;
  color: rgba(99, 102, 241, 0.2);
  transition: transform var(--transition-normal);
}

.project-card:hover .project-banner-decor {
  transform: scale(1.15) rotate(6deg);
  color: rgba(6, 182, 212, 0.35);
}

.project-type-tag {
  position: absolute;
  top: 15px;
  right: 15px;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-glass);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 1rem;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
}

.project-description {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

.project-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tech-tag {
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-accent);
}

.project-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-glass);
  padding-top: 1rem;
  margin-top: 0.5rem;
}

/* --------------------------------------------------------------------------
   10. CERTIFICATIONS & BADGES
   -------------------------------------------------------------------------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.cert-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  position: relative;
  overflow: hidden;
}

.cert-badge-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--gradient-glow);
  border: 2px solid var(--border-glass-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--primary-cyan);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.25);
}

.cert-title {
  font-size: 1.2rem;
  font-weight: 700;
}

.cert-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.cert-verified-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  color: var(--primary-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-size: 0.8rem;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   11. LANGUAGES SECTION
   -------------------------------------------------------------------------- */
.languages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.lang-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.lang-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lang-name {
  font-size: 1.3rem;
  font-weight: 700;
}

.lang-level-badge {
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}

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

.badge-advanced {
  background: rgba(99, 102, 241, 0.15);
  color: var(--text-accent);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.badge-pro {
  background: rgba(6, 182, 212, 0.15);
  color: var(--primary-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.lang-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.lang-capabilities {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.lang-tag {
  font-size: 0.8rem;
  padding: 0.25rem 0.65rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   12. RECRUITER FAST-ACTION BAR & CONTACT SECTION
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 3rem;
  align-items: start;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.recruiter-callout-card {
  padding: 2.2rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(6, 182, 212, 0.08));
  border: 1px solid var(--border-glass-hover);
}

.recruiter-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.recruiter-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

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

.contact-channel-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  transition: all var(--transition-fast);
}

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

.channel-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.channel-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--gradient-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-cyan);
  font-size: 1.2rem;
}

.channel-info .name {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.channel-info .val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.copy-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  color: var(--primary-cyan);
  transform: scale(1.15);
}

/* Contact Form */
.contact-form-card {
  padding: 2.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--primary-indigo);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.form-textarea {
  min-height: 130px;
  resize: vertical;
}

/* --------------------------------------------------------------------------
   13. RESUME MODAL & TOAST ALERTS
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-container {
  width: 100%;
  max-width: 850px;
  max-height: 90vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass-hover);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-container {
  transform: translateY(0);
}

.modal-header {
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-tertiary);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.4rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

.modal-body {
  padding: 2rem;
  overflow-y: auto;
  flex-grow: 1;
}

.resume-paper-preview {
  background: #ffffff;
  color: #1e293b;
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.resume-paper-preview h2 {
  color: #0f172a;
}

.resume-paper-preview h3 {
  color: #334155;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 0.4rem;
  margin-top: 1.2rem;
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
}

.resume-paper-preview p,
.resume-paper-preview li {
  color: #475569;
  font-size: 0.95rem;
}

.modal-footer {
  padding: 1.25rem 1.75rem;
  border-top: 1px solid var(--border-glass);
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  background: var(--bg-tertiary);
}

/* Toast Alert System */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--primary-indigo);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 3000;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
  pointer-events: none;
}

.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.toast-icon {
  color: var(--primary-emerald);
  font-size: 1.25rem;
}

/* --------------------------------------------------------------------------
   14. FOOTER & FLOATING CONTROLS
   -------------------------------------------------------------------------- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  padding: 4rem 0 2rem 0;
  margin-top: 6rem;
  position: relative;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 2.5rem;
  margin-bottom: 2rem;
}

.footer-brand {
  max-width: 400px;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-top: 0.75rem;
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-nav a {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.back-to-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.back-to-top-btn:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

/* --------------------------------------------------------------------------
   15. RESPONSIVE MEDIA QUERIES
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-visual {
    order: -1;
  }

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

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

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-glass);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
    z-index: 999;
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .mobile-nav-toggle {
    display: block;
  }

  .hero-name {
    font-size: 2.6rem;
  }

  .avatar-wrapper {
    width: 100%;
    max-width: 320px;
    height: 380px;
  }

  .skills-grid,
  .projects-grid,
  .cert-grid,
  .languages-grid,
  .edu-highlights {
    grid-template-columns: 1fr;
  }

  .timeline-wrapper::before {
    left: 15px;
  }

  .timeline-item {
    padding-left: 50px;
  }

  .timeline-dot {
    left: 2px;
  }

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