/* ==========================================================================
   Balasundaram Karthik Kumar - Portfolio CSS
   Modern Glassmorphism & High-End Design System
   ========================================================================== */

:root {
  /* Color Palette - Dark Theme (Default) */
  --bg-primary: #090d16;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --accent-orange: #ff5a1f;
  --accent-amber: #f59e0b;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-green: #10b981;
  --gradient-brand: linear-gradient(135deg, #ff5a1f 0%, #f59e0b 50%, #8b5cf6 100%);
  --gradient-card-border: linear-gradient(135deg, rgba(255, 90, 31, 0.4) 0%, rgba(245, 158, 11, 0.2) 50%, rgba(255, 255, 255, 0.05) 100%);

  --border-color: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(15, 23, 42, 0.65);
  --glass-border: rgba(255, 255, 255, 0.08);
  --shadow-lg: 0 20px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px rgba(255, 90, 31, 0.25);

  --font-family: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(241, 245, 249, 0.95);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border-color: rgba(0, 0, 0, 0.21);
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 30px -10px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 20px rgba(255, 90, 31, 0.15);
}

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

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

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4.5rem 0;
  position: relative;
}

.section-title-wrap {
  text-align: center;
  margin-bottom: 3rem;
}

.section-subtitle {
  display: inline-block;
  font-size: 0.825rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-orange);
  margin-bottom: 0.5rem;
  padding: 0.3rem 0.9rem;
  background: rgba(255, 90, 31, 0.1);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 90, 31, 0.2);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

.section-title span {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition-normal);
  padding: 1.15rem 0;
}

.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.8rem 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.nav-brand {
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-brand .brand-badge {
  background: var(--gradient-brand);
  color: #fff;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-weight: 900;
  font-size: 0.95rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

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

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

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

.drawer-header,
.drawer-footer,
.nav-overlay {
  display: none;
}

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

.theme-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 1rem;
}

.theme-toggle-btn:hover {
  transform: scale(1.08);
  border-color: var(--accent-orange);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.4rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: 6.5rem;
  padding-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 90, 31, 0.15) 0%, rgba(139, 92, 246, 0.08) 50%, rgba(0, 0, 0, 0) 70%);
  filter: blur(60px);
  z-index: -1;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.15rem;
  background: rgba(255, 90, 31, 0.1);
  border: 1px solid rgba(255, 90, 31, 0.3);
  border-radius: var(--radius-full);
  color: var(--accent-orange);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 3.1rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -1px;
}

.hero-title .name-highlight {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.typing-container {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  min-height: 2.2rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.typed-text {
  color: var(--accent-amber);
  white-space: nowrap;
}

.cursor-blink {
  display: inline-block;
  width: 2px;
  height: 1.3em;
  background: var(--accent-orange);
  animation: blink 0.8s infinite;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

.hero-description {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 2.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1.75rem;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 10px 20px -5px rgba(255, 90, 31, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 25px -5px rgba(255, 90, 31, 0.5);
}

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-orange);
  transform: translateY(-3px);
}

.hero-socials {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.social-icon-btn {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  color: var(--accent-orange);
  border-color: var(--accent-orange);
  transform: translateY(-3px);
}

.hero-avatar-card {
  position: relative;
  display: flex;
  justify-content: center;
}

.avatar-wrapper {
  position: relative;
  width: 300px;
  height: 360px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.avatar-wrapper::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: var(--gradient-brand);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.floating-experience-badge {
  position: absolute;
  bottom: -15px;
  left: -15px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.badge-num {
  font-size: 1.85rem;
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge-text {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  line-height: 1.2;
}

/* About & Metrics Section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  text-align: center;
  transition: all var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-orange);
  box-shadow: var(--shadow-glow);
}

.stat-number {
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 90, 31, 0.4);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-lg);
}

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

.service-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: rgba(255, 90, 31, 0.1);
  color: var(--accent-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(255, 90, 31, 0.2);
}

.service-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  color: var(--text-primary);
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.service-list li {
  font-size: 0.86rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.service-list li i {
  color: var(--accent-green);
  font-size: 0.8rem;
  margin-top: 0.25rem;
}

/* Tool Stack Grid Section */
.toolstack-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1.25rem;
}

.toolstack-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 0.85rem;
  text-align: center;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.toolstack-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-orange);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-glow);
}

.toolstack-icon {
  font-size: 2rem;
  color: var(--accent-amber);
}

.toolstack-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}

.toolstack-cat {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Innovative Glassmorphic Career Journey Hub */
.career-hub-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 1050px;
  margin: 0 auto;
}

.career-stepper-track {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow-x: auto;
  box-shadow: var(--shadow-lg);
}

.career-stepper-track::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 3rem;
  right: 3rem;
  height: 3px;
  background: var(--border-color);
  transform: translateY(-50%);
  z-index: 1;
}

.career-stepper-node {
  position: relative;
  z-index: 2;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.45rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.career-stepper-node:hover,
.career-stepper-node.active {
  background: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 0 18px rgba(255, 90, 31, 0.45);
  /* transform: scale(1.08); */
}

.career-showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2.5rem;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
}

.career-left-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  border-right: 1px solid var(--border-color);
  padding-right: 2rem;
}

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

.career-year-badge {
  background: rgba(255, 90, 31, 0.1);
  color: var(--accent-orange);
  border: 1px solid rgba(255, 90, 31, 0.3);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
}

.career-step-counter {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.career-role-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.career-company-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-amber);
  display: flex;
  align-items: center;
  gap: 10px;
}

.career-company-logo {
  width: 50px;
  height: 50px;
  object-fit: contain;
  padding: 2px;
  border-radius: 10px;
/* background: rgba(255, 255, 255, 0.9);*/
  background: transparent;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  flex-shrink: 0;
}

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

.career-tech-wrapper h5 {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.6rem;
}

.career-tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.career-tech-chip {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.career-right-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.career-right-panel h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.career-achievements-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.career-achievements-list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  line-height: 1.5;
}

.career-achievements-list li i {
  color: var(--accent-green);
  font-size: 0.85rem;
  margin-top: 0.3rem;
}

.career-nav-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

.career-step-btn {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.career-step-btn:hover:not(:disabled) {
  background: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 0 15px rgba(255, 90, 31, 0.4);
}

.career-step-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Modern Glassmorphic Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.skill-badge-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

.skill-badge-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-orange);
  box-shadow: var(--shadow-glow);
  background: var(--bg-card-hover);
}

.skill-badge-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.skill-brand-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 90, 31, 0.1);
  color: var(--accent-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.skill-badge-title h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.skill-badge-title span {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

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

.skill-percent-ring {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  font-size: 1.15rem;
}

.skill-bar-mini {
  width: 60%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

:root[data-theme="light"] .skill-bar-mini {
   background: rgba(0, 0, 0, 0.21);
}

.skill-bar-mini-fill {
  height: 100%;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1s ease-out;
}

/* Portfolio Projects Section */
.skills-filter-wrapper {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.25rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(255, 90, 31, 0.3);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-orange);
  box-shadow: var(--shadow-lg);
}

.portfolio-img-wrap {
  position: relative;
  height: 180px;
  overflow: hidden;
  background: #1e293b;
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-img {
  transform: scale(1.08);
}

.portfolio-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--accent-amber);
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.portfolio-content {
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.portfolio-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.portfolio-desc {
  font-size: 0.84rem;
  color: var(--text-secondary);
  margin-bottom: 1.15rem;
  line-height: 1.5;
  flex-grow: 1;
}

.portfolio-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent-orange);
  font-weight: 600;
  font-size: 0.85rem;
  transition: gap var(--transition-fast);
}

.portfolio-link:hover {
  gap: 0.75rem;
}

/* Certifications Section */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  display: flex;
  align-items: center;
  gap: 1.15rem;
  transition: all var(--transition-fast);
}

.cert-card:hover {
  border-color: var(--accent-orange);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}

.cert-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-amber);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.cert-info h4 {
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
  line-height: 1.3;
}

.cert-info p {
  font-size: 0.74rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.cert-info a {
  font-size: 0.78rem;
  color: var(--accent-orange);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.cert-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.4rem;
  flex-wrap: wrap;
}

.cert-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.cert-view-btn {
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.cert-view-btn:hover {
  background: var(--accent-blue);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
  transform: translateY(-2px);
}

.cert-verify-btn {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.cert-verify-btn:hover {
  background: var(--accent-green);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
  transform: translateY(-2px);
}

/* Carousel Slider Base */
.carousel-wrapper {
  position: relative;
  max-width: 1050px;
  margin: 0 auto;
  overflow: hidden;
  padding: 1rem 0;
}

.carousel-track-container {
  overflow: hidden;
  width: 100%;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
  gap: 1.5rem;
}

.carousel-slide {
  flex: 0 0 calc(50% - 0.75rem);
  box-sizing: border-box;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-lg);
}

.testimonial-quote {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.author-info h5 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.author-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.2;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 1.1rem;
}

.carousel-btn:hover {
  background: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 0 15px rgba(255, 90, 31, 0.4);
}

.carousel-dots {
  display: flex;
  gap: 0.5rem;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.carousel-dot.active {
  background: var(--accent-orange);
  width: 24px;
}

/* Contact & Footer Section */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2.5rem;
}

.contact-card-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(255, 90, 31, 0.1);
  color: var(--accent-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.contact-detail h5 {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-detail p,
.contact-detail a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.92rem;
  transition: border-color var(--transition-fast);
}

[data-theme="light"] .form-input,
[data-theme="light"] .form-textarea {
  background: rgba(241, 245, 249, 0.8);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-orange);
}

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

.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Mobile Responsive Media Queries */
@media (max-width: 1200px) {
  .toolstack-grid {
    grid-template-columns: repeat(5, 1fr);
  }

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

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-cta-group,
  .hero-socials,
  .typing-container {
    justify-content: center;
  }

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

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

  .toolstack-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

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

  .career-showcase-card {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .career-left-panel {
    border-right: none;
    padding-right: 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
  }
}

/* Mobile Viewport Specific Enhancements (<768px) */
@media (max-width: 768px) {
  .section {
    padding: 2.25rem 0;
  }

  .section-title-wrap {
    margin-bottom: 2rem;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .stats-grid {
    gap: 1rem;
  }

  .stat-card {
    padding: 1.25rem 0.85rem;
  }

  .stat-number {
    font-size: 1.85rem;
  }

  /* Slide-Out Mobile Navigation Drawer */
  .nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 998;
  }

  .nav-overlay.active {
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 285px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.75rem 1.5rem;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.6);
    overflow-y: auto;
    gap: 1.1rem;
  }

  .nav-links.active {
    display: flex;
    transform: translateX(0);
  }

  .drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 0.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
  }

  .drawer-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--accent-orange);
    text-transform: uppercase;
    letter-spacing: 1px;
  }

  .drawer-close-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 34px;
    height: 34px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
  }

  .nav-link {
    font-size: 1rem;
    font-weight: 600;
    width: 100%;
    padding: 0.35rem 0;
  }

  .drawer-footer {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
  }

  .drawer-footer-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
  }

  .drawer-socials {
    display: flex;
    gap: 0.75rem;
  }

  .drawer-socials a {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
  }

  .mobile-menu-btn {
    display: block;
  }

  /* Carousel Mobile 100% Width Fix */
  .carousel-track {
    gap: 0;
  }

  .carousel-slide {
    flex: 0 0 100%;
    min-width: 100%;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
    padding: 0 0.25rem;
  }

  .services-grid,
  .portfolio-grid,
  .skills-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }

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

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

  .typing-container {
    font-size: 1.05rem;
    min-height: 2.8rem;
  }

  .career-stepper-track::before {
    display: none;
  }

  .career-stepper-track {
    flex-wrap: nowrap;
    gap: 0.8rem;
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    padding: 1rem 1rem;
  }

  .career-stepper-node {
    flex-shrink: 0;
    scroll-snap-align: center;
    font-size: 0.78rem;
    padding: 0.4rem 0.9rem;
  }

  .career-showcase-card {
    padding: 1.5rem;
  }

  .career-nav-controls {
    gap: 0.75rem;
  }

  .career-step-btn {
    font-size: 0.78rem;
    padding: 0.45rem 0.9rem;
  }

  /* Cert cards vertical align on mobile */
  .cert-actions {
    gap: 0.4rem;
  }

  .cert-action-btn {
    font-size: 0.68rem;
    padding: 0.25rem 0.65rem;
  }
}

/* =========================================
   Direct Contact CTA
   ========================================= */

.contact-direct-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.contact-direct-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  margin-bottom: 20px;
  font-size: 20px;
  background: var(--bg-card);
  color: #fff;
  gap: 1.15rem;
}


.contact-direct-card p {
  margin: 0 0 25px;
  line-height: 1.7;
  opacity: 0.8;
  max-width: 600px;
}

.contact-direct-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.contact-direct-actions .btn {
  min-width: 140px;
  justify-content: center;
}

.contact-direct-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  font-size: 0.85rem;
  opacity: 0.65;
}

.contact-direct-note i {
  font-size: 13px;
}

@media (max-width: 768px) {

  .contact-direct-card {
    align-items: flex-start;
  }

  .contact-direct-actions {
    width: 100%;
  }

  .contact-direct-actions .btn {
    flex: 1;
    min-width: 0;
  }
}