/* ==========================================================================
   Sushant Kulkarni Portfolio - Modern Design System & Stylesheet
   Theme: Obsidian Dark Mode with Cybernetic AI Accents & Glassmorphism
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-primary: #07090e;
  --bg-secondary: #0d121f;
  --bg-tertiary: #131b2e;
  --bg-card: rgba(18, 26, 43, 0.65);
  --bg-card-hover: rgba(28, 40, 65, 0.85);

  /* Glowing Accents */
  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-purple: #7f53ac;
  --accent-violet: #64748b;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  --gradient-secondary: linear-gradient(135deg, #7f53ac 0%, #64748b 100%);
  --gradient-ai: linear-gradient(135deg, #00f2fe 0%, #7f53ac 100%);
  --gradient-text: linear-gradient(135deg, #ffffff 30%, #00f2fe 100%);
  --gradient-glow: radial-gradient(circle at 50% 50%, rgba(0, 242, 254, 0.15) 0%, rgba(7, 9, 14, 0) 70%);

  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-gradient: transparent;

  /* Borders & Shadows */
  --border-light: rgba(255, 255, 255, 0.08);
  --border-active: rgba(0, 242, 254, 0.4);
  --glass-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
  --glow-shadow: 0 0 30px rgba(0, 242, 254, 0.25);

  /* Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-code: 'Fira Code', monospace;

  /* Layout & Spacing */
  --max-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --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-bounce: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

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

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

/* Background Ambient Glow & Grid */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: -2;
}

.bg-glow-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.4;
  animation: orbFloat 18s ease-in-out infinite alternate;
}

.orb-1 {
  top: -10%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: rgba(0, 242, 254, 0.25);
}

.orb-2 {
  bottom: 10%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: rgba(127, 83, 172, 0.2);
}

@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(60px, 40px) scale(1.1); }
  100% { transform: translate(-40px, 80px) scale(0.9); }
}

/* --- Container & Grid Helpers --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-code);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin-bottom: 3.5rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #07090e;
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 242, 254, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
}

.btn-outline:hover {
  background: rgba(0, 242, 254, 0.1);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
}

/* --- Navigation Header --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: var(--transition-normal);
}

.navbar.scrolled {
  padding: 0.8rem 0;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
}

.logo-badge {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  color: #07090e;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-family: var(--font-code);
  font-size: 1.1rem;
  box-shadow: var(--glow-shadow);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-cyan);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-fast);
}

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

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

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 7rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
  color: var(--accent-emerald);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

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

@keyframes pulse {
  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 10px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: clamp(2.8rem, 5.5vw, 4.2rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

/* Metrics Counter Grid */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}

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

.metric-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
  margin-top: 0.2rem;
}

/* Hero Image Container */
.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.profile-card {
  position: relative;
  width: 320px;
  height: 390px;
  border-radius: var(--radius-lg);
  padding: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(16px);
  box-shadow: var(--glass-shadow);
  transition: var(--transition-normal);
}

.profile-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(0, 242, 254, 0.25);
}

.profile-img-inner {
  width: 100%;
  height: 100%;
  border-radius: calc(var(--radius-lg) - 4px);
  overflow: hidden;
  position: relative;
}

.profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(10%) contrast(105%);
  transition: var(--transition-normal);
}

.profile-card:hover .profile-img {
  filter: grayscale(0%) contrast(110%);
  transform: scale(1.03);
}

.floating-tag {
  position: absolute;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(13, 18, 31, 0.85);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(12px);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  animation: floatTag 4s ease-in-out infinite alternate;
}

.tag-1 { top: 10%; left: -15%; animation-delay: 0s; }
.tag-2 { bottom: 20%; right: -15%; animation-delay: 1.5s; }
.tag-3 { bottom: -5%; left: 10%; animation-delay: 3s; }

@keyframes floatTag {
  0% { transform: translateY(0); }
  100% { transform: translateY(-12px); }
}

/* --- Cards & Glassmorphism Components --- */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  backdrop-filter: blur(16px);
  box-shadow: var(--glass-shadow);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateY(-4px);
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.highlight-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  transition: var(--transition-fast);
}

.highlight-box:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.03);
}

.highlight-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.highlight-title {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

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

/* --- Skills Section --- */
.skills-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.tab-btn {
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.tab-btn:hover, .tab-btn.active {
  background: var(--gradient-primary);
  color: #07090e;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.skill-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.skill-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.skill-title {
  font-size: 1.2rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.tech-chip {
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-family: var(--font-code);
  transition: var(--transition-fast);
}

.tech-chip:hover {
  color: var(--accent-cyan);
  border-color: rgba(0, 242, 254, 0.4);
  background: rgba(0, 242, 254, 0.05);
}

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

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20px;
  height: 100%;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-purple), transparent);
}

.timeline-item {
  position: relative;
  padding-left: 3.5rem;
  margin-bottom: 3rem;
}

.timeline-dot {
  position: absolute;
  top: 0;
  left: 11px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan);
  z-index: 2;
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  backdrop-filter: blur(16px);
}

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

.role-title {
  font-size: 1.4rem;
  color: var(--text-primary);
}

.company-name {
  color: var(--accent-cyan);
  font-weight: 600;
  font-size: 1.05rem;
}

.experience-date {
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: var(--font-code);
}

.experience-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 1.2rem;
}

.experience-bullets li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.experience-bullets li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-weight: bold;
}

.highlight-stat {
  color: var(--text-primary);
  font-weight: 600;
  background: rgba(0, 242, 254, 0.08);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  border: 1px solid rgba(0, 242, 254, 0.2);
}

/* --- Projects Section --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

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

.project-badge {
  align-self: flex-start;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  background: rgba(127, 83, 172, 0.15);
  border: 1px solid rgba(127, 83, 172, 0.3);
  color: #a855f7;
  font-size: 0.8rem;
  font-family: var(--font-code);
  font-weight: 600;
  margin-bottom: 1rem;
}

.project-title {
  font-size: 1.5rem;
  margin-bottom: 0.8rem;
}

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

.project-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-highlights li {
  font-size: 0.9rem;
  color: var(--text-muted);
  position: relative;
  padding-left: 1.2rem;
}

.project-highlights li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-emerald);
  font-weight: bold;
}

.project-footer {
  margin-top: auto;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* --- Education & Certifications --- */
.edu-cert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.cert-card {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.cert-badge-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #ff9900 0%, #ff5500 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.8rem;
  box-shadow: 0 8px 20px rgba(255, 153, 0, 0.3);
  flex-shrink: 0;
}

.cert-info h3 {
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
}

.cert-id {
  font-family: var(--font-code);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.08);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
  margin-top: 0.4rem;
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-card-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.2rem;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.contact-item:hover {
  border-color: var(--accent-cyan);
  transform: translateX(5px);
  background: var(--bg-card-hover);
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.contact-value {
  font-weight: 600;
  font-size: 1rem;
}

.copy-btn {
  margin-left: auto;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.copy-btn:hover {
  background: var(--accent-cyan);
  color: #07090e;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

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

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

.form-input, .form-textarea {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-sm);
  background: rgba(7, 9, 14, 0.6);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
}

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

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--accent-cyan);
  color: var(--text-primary);
  box-shadow: var(--glow-shadow);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 2000;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: var(--transition-normal);
}

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

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* --- Footer --- */
footer {
  border-top: 1px solid var(--border-light);
  padding: 3rem 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  background: var(--bg-secondary);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

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

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

/* --- Responsive Media Queries --- */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .status-badge {
    margin: 0 auto 1.5rem auto;
  }

  .hero-subtitle {
    justify-content: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-metrics {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .about-grid, .edu-cert-grid, .contact-grid {
    grid-template-columns: 1fr;
  }

  .floating-tag {
    display: none;
  }
}

@media (max-width: 768px) {
  section {
    padding: 4rem 0;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(7, 9, 14, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 2.5rem;
    transition: var(--transition-normal);
  }

  .nav-menu.active {
    left: 0;
  }

  .mobile-toggle {
    display: block;
  }

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

  .timeline::before {
    left: 10px;
  }

  .timeline-item {
    padding-left: 2.2rem;
  }

  .timeline-dot {
    left: 1px;
  }
}