/* ==========================================================================
   Youness Ezouagh - Professional Engineering Portfolio Design System
   Aesthetic: Executive Modern / Clean High-Contrast (Recruiter & Corporate Focused)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Surface & Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --card-hover-border: #93c5fd;
  
  /* Text & Typography Colors */
  --text-primary: #0f172a;      /* Deep Slate Charcoal (High Contrast) */
  --text-secondary: #334155;    /* Neutral Slate for Body Text */
  --text-muted: #64748b;        /* Subtitle and Meta Gray */
  
  /* Executive Corporate Accent Palette */
  --accent-blue: #1d4ed8;       /* Primary Executive Royal Blue */
  --accent-cyan: #0284c7;       /* Professional Modern Sky Accent */
  --accent-indigo: #4f46e5;     /* Engineering Tech Indigo */
  --accent-violet: #7c3aed;     /* Refined Violet */
  --accent-emerald: #059669;    /* Corporate Verified / Success Green */
  --accent-amber: #d97706;      /* Warning / Highlight Amber */
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1d4ed8 0%, #2563eb 50%, #0284c7 100%);
  --gradient-glow: radial-gradient(circle, rgba(29, 78, 216, 0.06) 0%, rgba(2, 132, 199, 0.02) 50%, transparent 70%);
  --gradient-card: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  
  /* Typography Fonts */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Transitions & Shadows */
  --transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-subtle: 0 1px 3px 0 rgba(15, 23, 42, 0.05), 0 1px 2px -1px rgba(15, 23, 42, 0.03);
  --shadow-card: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.03);
  --shadow-elevated: 0 16px 24px -4px rgba(15, 23, 42, 0.08), 0 6px 8px -4px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 8px 20px -4px rgba(37, 99, 235, 0.15);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  color-scheme: light;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Subtle Background Atmosphere */
.ambient-glow-1 {
  position: absolute;
  top: 0;
  left: 10%;
  width: 600px;
  height: 500px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.ambient-glow-2 {
  position: absolute;
  top: 35%;
  right: 5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.03) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.ambient-glow-3 {
  position: absolute;
  bottom: 5%;
  left: 5%;
  width: 650px;
  height: 550px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.03) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Container */
.container-modern {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: #eff6ff;
  border: 1px solid #dbeafe;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.section-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--accent-blue);
  border-radius: 50%;
  display: inline-block;
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 2.75rem);
  margin-bottom: 14px;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 680px;
  margin: 0 auto 45px auto;
  line-height: 1.7;
}

/* Professional White & Subtle Elevated Cards */
.glass-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.glass-card:hover {
  border-color: var(--card-hover-border);
  transform: translateY(-3px);
  box-shadow: var(--shadow-elevated);
}

/* Buttons */
.btn-modern {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 11px 22px;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  outline: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(29, 78, 216, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(29, 78, 216, 0.35);
  color: #ffffff;
  text-decoration: none;
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-primary);
  border: 1px solid #cbd5e1;
  box-shadow: var(--shadow-subtle);
}

.btn-secondary:hover {
  background: #f8fafc;
  border-color: #94a3b8;
  color: var(--accent-blue);
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-ai-hero {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: var(--accent-blue);
  position: relative;
}

.btn-ai-hero:hover {
  background: #dbeafe;
  border-color: #93c5fd;
  color: #1e40af;
  transform: translateY(-2px);
  text-decoration: none;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}

.site-nav.scrolled {
  padding: 12px 0;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.04);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.brand-logo {
  height: 36px;
  width: auto;
  max-width: 54px;
  display: block;
  object-fit: contain;
  transition: var(--transition);
}

.nav-brand:hover .brand-logo {
  transform: scale(1.06);
}

.brand-badge {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.05rem;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(29, 78, 216, 0.25);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover {
  color: var(--accent-blue);
}

.nav-link.active {
  color: var(--accent-blue);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-blue);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-ai-btn {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: var(--accent-blue);
  font-size: 0.88rem;
  padding: 7px 16px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.nav-ai-btn:hover {
  background: #dbeafe;
  border-color: #93c5fd;
  color: #1e40af;
  transform: translateY(-1px);
}

.nav-ai-btn .pulse-dot {
  width: 7px;
  height: 7px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(5, 150, 105, 0.2);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.5); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 6px rgba(5, 150, 105, 0); }
  100% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(5, 150, 105, 0); }
}

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

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 140px 0 90px 0;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-secondary) 100%);
  border-bottom: 1px solid #e2e8f0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 50px;
  align-items: center;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  color: #047857;
  font-weight: 600;
  margin-bottom: 20px;
}

.status-pill .status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  animation: pulseDot 2s infinite;
}

.hero-title {
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
  margin-bottom: 18px;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 26px;
  line-height: 1.65;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 6px;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: #334155;
  box-shadow: var(--shadow-subtle);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Avatar Showcase Card */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.avatar-card {
  position: relative;
  width: 100%;
  max-width: 360px;
  border-radius: 24px;
  padding: 10px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-elevated);
}

.avatar-inner {
  border-radius: 18px;
  overflow: hidden;
  position: relative;
  background: #f1f5f9;
}

.avatar-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s ease;
}

.avatar-card:hover .avatar-img {
  transform: scale(1.02);
}

.floating-badge {
  position: absolute;
  padding: 10px 16px;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.12);
  z-index: 2;
  animation: floatAnim 4s ease-in-out infinite;
}

.badge-top-right {
  top: -12px;
  right: -15px;
  animation-delay: 0s;
}

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

@keyframes floatAnim {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.floating-badge .badge-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: #eff6ff;
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

/* ==========================================================================
   About Section & Metrics Bento
   ========================================================================== */
.about-section {
  padding: 90px 0;
  position: relative;
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  margin-top: 20px;
}

.about-bio p {
  color: var(--text-secondary);
  font-size: 1.02rem;
  margin-bottom: 18px;
  line-height: 1.75;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 22px;
}

.feature-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.feature-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #eff6ff;
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  font-size: 0.95rem;
}

.feature-item h4 {
  font-size: 1.02rem;
  margin-bottom: 2px;
  color: var(--text-primary);
}

.feature-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.metric-card {
  text-align: center;
  padding: 26px 18px;
  background: #ffffff;
}

.metric-number {
  font-size: clamp(2.2rem, 3.2vw, 2.85rem);
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent-blue);
  line-height: 1.1;
  margin-bottom: 6px;
}

.metric-label {
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
}

/* ==========================================================================
   Skills Section (Bento Grid + Filter)
   ========================================================================== */
.skills-section {
  padding: 90px 0;
  position: relative;
  background: #ffffff;
  border-top: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
}

.filter-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
}

.filter-btn {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: #94a3b8;
  background: #f8fafc;
}

.filter-btn.active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(29, 78, 216, 0.25);
}

.skills-bento {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.skill-card {
  padding: 24px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
}

.skill-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.skill-icon-name {
  display: flex;
  align-items: center;
  gap: 12px;
}

.skill-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #eff6ff;
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.skill-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.skill-level {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-blue);
}

.skill-progress-track {
  height: 6px;
  background: #e2e8f0;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 14px;
}

.skill-progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 10px;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skill-subtag {
  font-size: 0.74rem;
  font-weight: 500;
  padding: 3px 8px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  color: var(--text-secondary);
}

/* ==========================================================================
   Experience & Milestones Timeline
   ========================================================================== */
.experience-section {
  padding: 90px 0;
  position: relative;
  background: var(--bg-secondary);
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background: #cbd5e1;
}

@media (min-width: 768px) {
  .timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }
}

.timeline-item {
  position: relative;
  margin-bottom: 36px;
}

.timeline-dot {
  position: absolute;
  top: 24px;
  left: 12px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid var(--accent-blue);
  box-shadow: 0 0 0 3px #eff6ff;
  z-index: 2;
}

@media (min-width: 768px) {
  .timeline-dot {
    left: 50%;
    transform: translateX(-50%);
  }
}

.timeline-content {
  margin-left: 50px;
}

@media (min-width: 768px) {
  .timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: calc(50% + 35px);
  }
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: calc(50% + 35px);
  }
}

.timeline-card {
  padding: 26px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
}

.timeline-date {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-blue);
  background: #eff6ff;
  border: 1px solid #dbeafe;
  padding: 3px 9px;
  border-radius: 6px;
  margin-bottom: 10px;
}

.timeline-role {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.timeline-company {
  font-size: 0.98rem;
  color: #475569;
  font-weight: 600;
  margin-bottom: 12px;
}

.timeline-company a {
  color: var(--accent-blue);
  text-decoration: none;
}

.timeline-company a:hover {
  text-decoration: underline;
}

.timeline-desc {
  color: var(--text-secondary);
  font-size: 0.94rem;
  margin-bottom: 16px;
  line-height: 1.65;
}

.timeline-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.timeline-highlights li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  gap: 10px;
  line-height: 1.55;
}

.timeline-highlights li::before {
  content: '▸';
  color: var(--accent-blue);
  font-size: 1rem;
  line-height: 1.3;
}

.timeline-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ==========================================================================
   Featured Projects Section
   ========================================================================== */
.projects-section {
  padding: 90px 0;
  position: relative;
  background: #ffffff;
  border-top: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 26px;
}

.project-card {
  padding: 0;
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  transition: var(--transition);
}

.project-img-wrap {
  width: 100%;
  height: 210px;
  position: relative;
  overflow: hidden;
  background: #f1f5f9;
  border-bottom: 1px solid #e2e8f0;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card:hover .project-img {
  transform: scale(1.04);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.4) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 14px;
}

.project-badge-cat {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  color: var(--accent-blue);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.project-body {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.project-desc {
  font-size: 0.91rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}

.project-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #f1f5f9;
  padding-top: 14px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
}

.project-links {
  display: flex;
  gap: 10px;
}

.project-icon-link {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  transition: var(--transition);
}

.project-icon-link:hover {
  background: var(--accent-blue);
  color: #ffffff;
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

/* ==========================================================================
   CV Download Multi-Format Section
   ========================================================================== */
.resume-cta-section {
  padding: 60px 0;
  position: relative;
  background: var(--bg-secondary);
}

.resume-download-card {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  padding: 36px 30px;
  background: #ffffff;
}

.format-picker {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 22px 0 28px 0;
  flex-wrap: wrap;
}

.format-option {
  position: relative;
}

.format-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.format-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.format-option input[type="radio"]:checked + .format-label {
  background: #eff6ff;
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(29, 78, 216, 0.15);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-section {
  padding: 90px 0;
  position: relative;
  background: #ffffff;
  border-top: 1px solid #e2e8f0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 36px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 22px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--text-secondary);
  transition: var(--transition);
}

.contact-item:hover {
  color: var(--accent-blue);
}

.contact-item-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: #eff6ff;
  border: 1px solid #dbeafe;
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-control-modern {
  width: 100%;
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  transition: var(--transition);
  outline: none;
}

.form-control-modern:focus {
  border-color: var(--accent-blue);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

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

#mail-status-modern {
  margin-top: 16px;
  display: none;
}

.alert-modern {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
}

.alert-success-modern {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
}

.alert-error-modern {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer-modern {
  padding: 36px 0;
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
  position: relative;
  z-index: 1;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.footer-social-link {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.footer-social-link:hover {
  background: var(--accent-blue);
  color: #ffffff;
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

/* ==========================================================================
   "AI ME" ASSISTANT WIDGET & DRAWER (Clean Executive Look)
   ========================================================================== */
.ai-widget-trigger {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  padding: 6px 16px 6px 6px;
  border-radius: var(--radius-full);
  cursor: pointer;
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.12), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
  transition: var(--transition);
}

.ai-widget-trigger:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px -5px rgba(15, 23, 42, 0.16);
  border-color: var(--accent-blue);
}

.ai-trigger-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  border: 2px solid var(--accent-blue);
  flex-shrink: 0;
}

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

.ai-trigger-label {
  display: flex;
  flex-direction: column;
}

.ai-trigger-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 5px;
}

.ai-trigger-name .sparkle {
  color: var(--accent-blue);
  font-size: 0.85rem;
}

.ai-trigger-status {
  font-size: 0.72rem;
  color: var(--accent-emerald);
  font-weight: 600;
}

/* AI Chat Drawer Window */
.ai-drawer {
  position: fixed;
  bottom: 85px;
  right: 24px;
  width: 410px;
  max-width: calc(100vw - 32px);
  height: 580px;
  max-height: calc(100vh - 110px);
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  z-index: 9998;
  box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.18), 0 8px 16px -4px rgba(15, 23, 42, 0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.97);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-drawer.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.ai-drawer-header {
  padding: 14px 18px;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f8fafc;
}

.ai-header-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ai-header-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--accent-blue);
}

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

.ai-header-details h4 {
  font-size: 0.92rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-primary);
}

.ai-header-status {
  font-size: 0.72rem;
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
}

.ai-header-status::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent-emerald);
  border-radius: 50%;
  display: inline-block;
}

.ai-drawer-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ai-action-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.05rem;
  cursor: pointer;
  padding: 5px;
  border-radius: 6px;
  transition: var(--transition);
}

.ai-action-btn:hover {
  color: var(--text-primary);
  background: #e2e8f0;
}

/* Chat Messages */
.ai-messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: #f8fafc;
}

.ai-message {
  display: flex;
  gap: 10px;
  max-width: 88%;
}

.ai-message.user-message {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.ai-message-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
  margin-top: 2px;
}

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

.ai-bubble {
  padding: 11px 15px;
  border-radius: 14px;
  font-size: 0.9rem;
  line-height: 1.55;
}

.ai-message.assistant-message .ai-bubble {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  color: var(--text-primary);
  border-top-left-radius: 4px;
  box-shadow: var(--shadow-subtle);
}

.ai-message.user-message .ai-bubble {
  background: var(--accent-blue);
  color: #ffffff;
  border-top-right-radius: 4px;
  box-shadow: 0 2px 8px rgba(29, 78, 216, 0.25);
}

.ai-bubble a {
  color: var(--accent-blue);
  text-decoration: underline;
  font-weight: 500;
}

.ai-bubble ul {
  margin: 6px 0 6px 16px;
}

.ai-bubble li {
  margin-bottom: 3px;
}

/* Quick Suggestion Chips */
.ai-quick-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.ai-chip {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: var(--text-secondary);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-subtle);
}

.ai-chip:hover {
  background: #eff6ff;
  border-color: #93c5fd;
  color: var(--accent-blue);
  transform: translateY(-1px);
}

/* Typing Indicator */
.typing-dots {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  border-top-left-radius: 4px;
}

.typing-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-blue);
  border-radius: 50%;
  animation: typingBounce 1.4s infinite ease-in-out both;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typingBounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1.1); opacity: 1; }
}

/* Chat Input Bar */
.ai-drawer-input {
  padding: 12px 14px;
  border-top: 1px solid #e2e8f0;
  background: #ffffff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-input-field {
  flex: 1;
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-full);
  padding: 9px 16px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  outline: none;
  transition: var(--transition);
}

.ai-input-field:focus {
  border-color: var(--accent-blue);
  background: #ffffff;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

.ai-send-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent-blue);
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  transition: var(--transition);
  flex-shrink: 0;
}

.ai-send-btn:hover {
  background: #1e40af;
  transform: scale(1.05);
}

.ai-input-note {
  font-size: 0.7rem;
  text-align: center;
  color: var(--text-muted);
  padding: 4px 14px 6px 14px;
  background: #ffffff;
}

/* ==========================================================================
   Certifications & Credentials Grid
   ========================================================================== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 26px;
  margin-top: 36px;
}

.cert-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-subtle);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: #cbd5e1;
}

.cert-thumb-wrap {
  width: 100%;
  height: 205px;
  position: relative;
  overflow: hidden;
  background: #f8fafc;
  border-bottom: 1px solid #f1f5f9;
  cursor: pointer;
}

.cert-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.4s ease;
  display: block;
}

.cert-card:hover .cert-thumb {
  transform: scale(1.04);
}

.cert-thumb-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.cert-card:hover .cert-thumb-overlay {
  opacity: 1;
}

.cert-zoom-btn {
  background: #ffffff;
  color: #0f172a;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 6px;
  pointer-events: none;
}

.cert-badge-year {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: #1e293b;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  z-index: 2;
}

.cert-badge-category {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: #2563eb;
  background: #eff6ff;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid #bfdbfe;
  z-index: 2;
}

.cert-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.cert-issuer {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-blue);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.cert-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 8px;
}

.cert-desc {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 16px;
  flex: 1;
}

.cert-meta-info {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: #475569;
  margin-bottom: 16px;
}

.cert-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid #f1f5f9;
}

.cert-verify-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}

.cert-verify-link:hover {
  color: #1d4ed8;
  transform: translateX(2px);
}

.cert-view-modal-btn {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 6px;
  transition: background 0.2s ease, color 0.2s ease;
}

.cert-view-modal-btn:hover {
  background: #f1f5f9;
  color: var(--text-primary);
}

/* Lightbox Modal for Certificate Preview */
.cert-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.25s ease;
}

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

.cert-modal-content {
  background: #ffffff;
  border-radius: 16px;
  max-width: 900px;
  width: 100%;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  animation: modalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.cert-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid #e2e8f0;
}

.cert-modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.cert-modal-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: #64748b;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.cert-modal-close:hover {
  color: #0f172a;
  background: #f1f5f9;
}

.cert-modal-body {
  padding: 20px;
  overflow-y: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #f8fafc;
}

.cert-modal-img {
  max-width: 100%;
  max-height: 65vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.cert-modal-footer {
  padding: 14px 24px;
  border-top: 1px solid #e2e8f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #ffffff;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 991px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 36px;
  }
  .hero-tags, .hero-actions {
    justify-content: center;
  }
  .hero-visual {
    order: -1;
  }
  .about-grid, .contact-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
  .nav-toggle {
    display: block;
  }
}

@media (max-width: 640px) {
  .skills-bento {
    grid-template-columns: 1fr;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .certs-grid {
    grid-template-columns: 1fr;
  }
  .ai-drawer {
    right: 16px;
    bottom: 80px;
    height: 500px;
  }
  .ai-widget-trigger {
    right: 16px;
    bottom: 18px;
  }
  .ai-trigger-label {
    display: none;
  }
  .ai-widget-trigger {
    padding: 5px;
  }
}