/* ==========================================================================
   PERSONAL PORTFOLIO DESIGN SYSTEM & STYLESHEET
   Target: Nadim Na Benmusa | Consular Officer & Financial Analyst
   Theme: Default Dark Mode with Smooth Light Mode Toggle
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. COLOR PALETTE & CSS VARIABLES
   -------------------------------------------------------------------------- */
:root {
  /* Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Color Tokens - Dark Mode (Default) */
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-surface: #1f293d;
  --bg-surface-hover: #283552;
  --bg-glass: rgba(17, 24, 39, 0.75);
  --bg-glass-card: rgba(255, 255, 255, 0.03);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(59, 130, 246, 0.4);

  /* Brand Accents */
  --accent-primary: #3b82f6; /* Electric Blue */
  --accent-primary-hover: #2563eb;
  --accent-secondary: #10b981; /* Financial Emerald */
  --accent-gold: #f59e0b; /* Diplomatic Gold */
  --accent-glow: rgba(59, 130, 246, 0.25);
  --accent-gold-glow: rgba(245, 158, 11, 0.2);

  /* Text Colors */
  --text-main: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-inverse: #0f172a;

  /* Elevation & Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 25px rgba(59, 130, 246, 0.3);

  /* Layout */
  --container-width: 1200px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --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 Overrides */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-surface: #f1f5f9;
  --bg-surface-hover: #e2e8f0;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-glass-card: rgba(255, 255, 255, 0.9);
  --border-glass: rgba(15, 23, 42, 0.08);
  --border-glass-hover: rgba(37, 99, 235, 0.4);

  --accent-primary: #2563eb;
  --accent-primary-hover: #1d4ed8;
  --accent-secondary: #059669;
  --accent-gold: #d97706;
  --accent-glow: rgba(37, 99, 235, 0.15);

  --text-main: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.2);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  text-size-adjust: 100%;
}

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

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

ul {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-surface-hover);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

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

/* Section Common Styles */
.section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: var(--accent-primary);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Gradient Text Effect */
.gradient-text {
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Gold Gradient Text */
.gold-gradient-text {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --------------------------------------------------------------------------
   3. HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.header.scrolled {
  background-color: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: var(--shadow-md);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.2;
}

.brand-status {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: var(--accent-secondary);
  font-weight: 500;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-secondary);
  box-shadow: 0 0 8px var(--accent-secondary);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.935rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

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

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

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

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

.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-normal);
}

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

.theme-toggle-btn .sun-icon {
  display: none;
}

[data-theme="light"] .theme-toggle-btn .moon-icon {
  display: none;
}

[data-theme="light"] .theme-toggle-btn .sun-icon {
  display: block;
  color: #d97706;
}

.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--text-main);
  padding: 0.5rem;
}

/* --------------------------------------------------------------------------
   4. BUTTONS & UI ACCENTS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-hover));
  color: #ffffff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.45);
}

.btn-secondary {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  backdrop-filter: blur(8px);
}

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

.btn-gold {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.45);
}

/* Card Component Base */
.glass-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

/* Subtle Card Glow Highlight */
.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

/* --------------------------------------------------------------------------
   5. HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 2rem);
  padding-bottom: 4rem;
  position: relative;
  overflow: hidden;
}

/* Background Ambient Glow Orbs */
.hero-glow-1 {
  position: absolute;
  top: 15%;
  left: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
  pointer-events: none;
  filter: blur(60px);
}

.hero-glow-2 {
  position: absolute;
  bottom: 10%;
  right: -5%;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
  pointer-events: none;
  filter: blur(60px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 860px;
  margin: 0 auto;
  gap: 0;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  width: fit-content;
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--accent-gold);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--accent-primary);
  line-height: 1.4;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 0.5rem;
  padding: 1.25rem;
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent-secondary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card-stack {
  position: relative;
  width: 100%;
  max-width: 420px;
}

.hero-main-card {
  background: linear-gradient(145deg, rgba(31, 41, 61, 0.9), rgba(17, 24, 39, 0.95));
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
  backdrop-filter: blur(16px);
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-glass);
}

.hero-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-gold);
  box-shadow: 0 0 15px var(--accent-gold-glow);
}

.hero-card-info h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
}

.hero-card-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.pill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.pill {
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-glass);
}

.pill-active {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-primary);
  border-color: rgba(59, 130, 246, 0.3);
}

/* Floating Badge overlays */
.floating-badge {
  position: absolute;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass-hover);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: float 4s ease-in-out infinite;
}

.floating-badge-1 {
  top: -20px;
  right: -10px;
}

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.badge-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.badge-gold-icon {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-gold);
}

.badge-text strong {
  display: block;
  font-size: 0.85rem;
  line-height: 1.2;
}

.badge-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   6. ABOUT ME SECTION
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-image {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-glass);
}

.about-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(11, 15, 25, 0.9) 100%);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.about-experience-badge {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.badge-big-num {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--accent-gold);
  line-height: 1;
}

.about-content-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.highlight-box {
  padding: 1.25rem;
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.highlight-icon {
  font-size: 1.5rem;
  color: var(--accent-primary);
  line-height: 1;
  margin-top: 0.2rem;
}

.highlight-text h5 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

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

/* --------------------------------------------------------------------------
   7. SKILLS SECTION
   -------------------------------------------------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

/* --------------------------------------------------------------------------
   CERTIFICATES GALLERY GRID & CARDS
   -------------------------------------------------------------------------- */
.cert-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  padding: 0 !important;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  background: var(--bg-glass-card);
  transition: all var(--transition-normal);
}

.cert-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-gold);
  box-shadow: 0 12px 30px rgba(245, 158, 11, 0.2);
}

.cert-img-wrapper {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-glass);
}

.cert-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.cert-card:hover .cert-img {
  transform: scale(1.06);
}

.cert-pdf-box {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(31, 41, 61, 0.95), rgba(245, 158, 11, 0.2));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--accent-gold);
  transition: background var(--transition-normal);
}

.cert-card:hover .cert-pdf-box {
  background: linear-gradient(135deg, rgba(31, 41, 61, 0.9), rgba(59, 130, 246, 0.3));
  color: var(--accent-primary);
}

.cert-pdf-icon {
  font-size: 3.2rem;
  line-height: 1;
}

.cert-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-grow: 1;
}

.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.cert-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.3;
  color: var(--text-main);
}

.cert-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-top: auto;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.cert-action-btn:hover {
  gap: 0.65rem;
  color: var(--accent-gold);
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.skill-category-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.skill-category-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
}

.skill-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-tag {
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

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

.skill-tag-highlight {
  border-color: rgba(245, 158, 11, 0.3);
  background: rgba(245, 158, 11, 0.08);
  color: var(--accent-gold);
}

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

.project-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

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

.project-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
}

.project-icon-badge {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

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

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

.project-metric-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-secondary);
}

.project-link-btn {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  transition: gap var(--transition-fast);
}

.project-link-btn:hover {
  gap: 0.6rem;
  color: var(--accent-primary-hover);
}

/* Project Detail Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass-hover);
  border-radius: var(--radius-lg);
  max-width: 650px;
  width: 100%;
  padding: 2.5rem;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

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

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-surface);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: background var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--bg-surface-hover);
}

/* --------------------------------------------------------------------------
   9. EXPERIENCE SECTION
   -------------------------------------------------------------------------- */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background: var(--border-glass);
}

@media (min-width: 769px) {
  .timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }
}

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

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

.timeline-dot {
  position: absolute;
  top: 0;
  left: 20px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-primary);
  border: 4px solid var(--bg-primary);
  box-shadow: 0 0 10px var(--accent-primary);
  transform: translateX(-50%);
  z-index: 2;
}

.timeline-item:nth-child(even) .timeline-dot {
  background: var(--accent-gold);
  box-shadow: 0 0 10px var(--accent-gold-glow);
}

@media (min-width: 769px) {
  .timeline-dot {
    left: 50%;
  }
}

.timeline-content {
  width: calc(100% - 50px);
  margin-left: 50px;
}

@media (min-width: 769px) {
  .timeline-content {
    width: calc(50% - 35px);
    margin-left: 0;
  }

  .timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
  }
}

.timeline-date {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.timeline-role {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.timeline-company {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.timeline-bullet-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.timeline-bullet-list li {
  font-size: 0.925rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.25rem;
}

.timeline-bullet-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}

/* --------------------------------------------------------------------------
   10. SERVICES SECTION
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.service-card {
  text-align: left;
}

.service-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(16, 185, 129, 0.15));
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-glass);
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

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

/* --------------------------------------------------------------------------
   11. CAREER OBJECTIVE SECTION
   -------------------------------------------------------------------------- */
.objective-card {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  padding: 3.5rem 2.5rem;
  background: linear-gradient(145deg, rgba(31, 41, 61, 0.8), rgba(17, 24, 39, 0.9));
  border: 1px solid rgba(245, 158, 11, 0.3);
  box-shadow: 0 0 30px rgba(245, 158, 11, 0.1);
}

.quote-icon {
  font-size: 2.5rem;
  color: var(--accent-gold);
  opacity: 0.6;
  margin-bottom: 1rem;
}

.objective-statement {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text-main);
  margin-bottom: 1.75rem;
}

.objective-author {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

/* --------------------------------------------------------------------------
   12. CONTACT CTA & FOOTER
   -------------------------------------------------------------------------- */
.contact-section {
  text-align: center;
}

.contact-card {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.contact-item:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border-glass);
  background: var(--bg-secondary);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-text {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.back-to-top-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-primary);
}

.back-to-top-btn:hover {
  color: var(--accent-primary-hover);
}

/* --------------------------------------------------------------------------
   13. ANIMATION REVEAL CLASSES (INTERSECTION OBSERVER)
   -------------------------------------------------------------------------- */
.reveal-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* --------------------------------------------------------------------------
   14. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-visual {
    order: -1;
  }

  .hero-title {
    font-size: 3rem;
  }

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

  .about-image {
    height: 380px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-glass);
    flex-direction: column;
    padding: 2rem;
    gap: 1.25rem;
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-lg);
  }

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

  .mobile-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-stats-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .section-title {
    font-size: 2rem;
  }

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

  .modal-container {
    padding: 1.75rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.9rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .btn {
    width: 100%;
  }

  .floating-badge {
    display: none;
  }
}