/* -----------------------------------------------------------
   Design System & Variables
   Warm Editorial Light — Serif Display + Amber Accent
----------------------------------------------------------- */
:root {
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Playfair Display', 'Georgia', 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Color Palette - Warm Editorial Light */
  --bg-main: #FAF8F4;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #F3EEE4;
  --bg-surface-hover: #ECE6D9;
  --border-subtle: rgba(28, 25, 23, 0.08);
  --border-medium: rgba(28, 25, 23, 0.16);

  --text-primary: #1C1917;
  --text-secondary: #57534E;
  --text-muted: #8C857B;

  /* Accent Color (Warm Amber / Gold) */
  --accent: #A16207;
  --accent-hover: #8A5406;
  --accent-light: rgba(161, 98, 7, 0.08);
  --accent-gradient: linear-gradient(120deg, #A16207 0%, #C77E23 45%, #8A5406 100%);
  --accent-glow: rgba(161, 98, 7, 0.14);

  /* Status / Badges */
  --badge-bg: rgba(161, 98, 7, 0.08);
  --badge-text: #8A5406;
  --badge-border: rgba(161, 98, 7, 0.22);

  --success: #3F8A5B;
  --success-bg: rgba(63, 138, 91, 0.10);

  /* Layout */
  --container-max: 1160px;
  --header-height: 72px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-card: 0 1px 2px rgba(28, 25, 23, 0.04), 0 12px 32px -16px rgba(28, 25, 23, 0.14);
  --shadow-hover: 0 2px 4px rgba(28, 25, 23, 0.05), 0 24px 48px -20px rgba(161, 98, 7, 0.18);
}

/* Editorial type: display serif for main headings */
h1, h2, h3, h4 {
  font-family: var(--font-display);
}

/* Editorial type: mono for labels, tags and meta */
.section-tag, .timeline-duration, .card-top-badge, .fact-detail h6, .tile-info h5, .project-tag-pill {
  font-family: var(--font-mono);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Background Ambient Glow */
.ambient-glow {
  position: fixed;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, rgba(161, 98, 7, 0) 70%);
  top: -200px;
  right: -150px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}

.ambient-glow-2 {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(199, 126, 35, 0.08) 0%, rgba(199, 126, 35, 0) 70%);
  bottom: 8%;
  left: -180px;
  pointer-events: none;
  z-index: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Section Globals */
.section {
  padding: 96px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid var(--badge-border);
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  max-width: 600px;
  margin: 0 auto;
}

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

/* -----------------------------------------------------------
   Navigation Header
----------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(250, 248, 244, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.logo-badge {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 1.05rem;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding: 4px 0;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* -----------------------------------------------------------
   Buttons
----------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #FFFFFF;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(161, 98, 7, 0.28);
}

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

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

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

/* -----------------------------------------------------------
   Hero Section
----------------------------------------------------------- */
.hero-section {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 80px;
  min-height: 88vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero-availability {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--success-bg);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--success);
  margin-bottom: 20px;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--success);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero-headline {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--badge-text);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.hero-description {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
}

.stat-item h4 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-item p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

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

.avatar-card {
  position: relative;
  width: 100%;
  max-width: 380px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

.avatar-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius-lg) + 1px);
  background: linear-gradient(135deg, rgba(161, 98, 7, 0.28), rgba(255, 255, 255, 0.35));
  z-index: -1;
  pointer-events: none;
}

.avatar-img-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1/1;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(135deg, #F0EAE0 0%, #E6DECF 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border: 1px solid var(--border-subtle);
}

.avatar-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 85%;
  display: block;
  border-radius: var(--radius-md);
}

.avatar-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: radial-gradient(circle at center, rgba(161, 98, 7, 0.1) 0%, rgba(240, 234, 224, 0.9) 100%);
}

.avatar-placeholder svg {
  width: 80px;
  height: 80px;
  color: var(--accent);
  opacity: 0.8;
  margin-bottom: 12px;
}

.avatar-placeholder span {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

.avatar-info {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.avatar-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  padding: 8px 12px;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-sm);
}

.meta-label {
  color: var(--text-muted);
}

.meta-value {
  color: var(--text-primary);
  font-weight: 600;
}

.floating-badge {
  position: absolute;
  padding: 10px 16px;
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 12px 28px -6px rgba(28, 25, 23, 0.16), 0 4px 10px rgba(28, 25, 23, 0.05);
  animation: float 4s ease-in-out infinite alternate;
  z-index: 5;
}

.badge-top-right {
  top: -16px;
  right: -16px;
}

.badge-bottom-left {
  bottom: -16px;
  left: -16px;
  animation-delay: -2s;
}

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

.floating-badge .icon {
  color: var(--accent);
  font-size: 1.25rem;
}

.floating-badge .text {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* -----------------------------------------------------------
   About Section
----------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: flex-start;
}

.about-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.about-text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-text p strong {
  color: var(--text-primary);
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}

.highlight-box {
  padding: 16px;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.highlight-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.highlight-content h5 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.highlight-content p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
}

.quick-facts-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.quick-facts-card h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.fact-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fact-item {
  display: flex;
  gap: 14px;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.fact-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.fact-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-surface-elevated);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.fact-detail h6 {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.fact-detail span {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* -----------------------------------------------------------
   Skills Section
----------------------------------------------------------- */
.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.skill-category-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.skill-category-card:hover {
  transform: translateY(-4px);
  border-color: var(--badge-border);
}

.category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.category-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.category-header h4 {
  font-size: 1.125rem;
  font-weight: 700;
}

.skills-badge-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.skill-badge:hover {
  background: var(--accent-light);
  color: var(--accent);
  border-color: var(--badge-border);
  transform: scale(1.04);
}

.skill-badge.featured {
  background: var(--badge-bg);
  color: var(--badge-text);
  border-color: var(--badge-border);
  font-weight: 600;
}

/* -----------------------------------------------------------
   Projects Section
----------------------------------------------------------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
}

.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  box-shadow: var(--shadow-card);
  will-change: transform;
}

.project-card:hover {
  border-color: var(--badge-border);
  box-shadow: var(--shadow-hover);
}

.project-header-banner {
  height: 180px;
  background: linear-gradient(135deg, #F4EFE6, #EAE2D3);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow: hidden;
}

.project-banner-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.15;
  background-image: radial-gradient(var(--accent) 1px, transparent 1px);
  background-size: 16px 16px;
}

.project-icon-badge {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.8rem;
  z-index: 2;
  box-shadow: 0 8px 20px rgba(28, 25, 23, 0.10);
}

.project-tag-pill {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  backdrop-filter: blur(4px);
  z-index: 2;
}

.project-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.project-subtitle {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 14px;
}

.project-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
  flex: 1;
}

.project-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 10px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--badge-text);
}

.project-footer-links {
  display: flex;
  gap: 12px;
  align-items: center;
}

.project-link-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.project-link-btn:hover {
  background: var(--accent);
  color: #FFF;
  border-color: var(--accent);
}

.project-link-btn.primary {
  background: var(--accent-light);
  color: var(--accent);
  border-color: var(--badge-border);
}

.project-link-btn.primary:hover {
  background: var(--accent);
  color: #FFF;
}

/* -----------------------------------------------------------
   Experience & Education Timeline Section
----------------------------------------------------------- */
.exp-edu-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
}

.timeline-column h3 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 6px;
  bottom: 0;
  left: 7px;
  width: 2px;
  background: var(--border-medium);
}

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

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

.timeline-dot {
  position: absolute;
  left: -32px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-main);
  border: 3px solid var(--accent);
  z-index: 2;
  transition: transform var(--transition-fast);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.3);
  background: var(--accent);
}

.timeline-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: border-color var(--transition-normal);
}

.timeline-item:hover .timeline-content {
  border-color: var(--border-medium);
}

.timeline-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.timeline-duration {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-light);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.timeline-location {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.timeline-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.timeline-company {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.timeline-desc {
  list-style-type: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.timeline-desc li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 18px;
  line-height: 1.55;
}

.timeline-desc li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

/* Certifications & Education Cards */
.edu-card, .cert-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  margin-bottom: 20px;
  transition: border-color var(--transition-normal);
}

.edu-card:hover, .cert-card:hover {
  border-color: var(--border-medium);
}

.card-top-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-light);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

.edu-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.edu-institution {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.edu-date {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.gpa-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--success);
  background: var(--success-bg);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

/* -----------------------------------------------------------
   Contact Section
----------------------------------------------------------- */
.contact-card-wrapper {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.contact-card-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.contact-text h3 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.contact-text p {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: 28px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-tile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.contact-tile:hover {
  border-color: var(--accent);
  transform: translateX(4px);
  background: var(--bg-surface-hover);
}

.tile-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.tile-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.tile-info h5 {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.tile-info span {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

.tile-action {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.contact-tile:hover .tile-action {
  color: var(--accent);
}

.copy-badge-notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--accent);
  color: #FFF;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 12px 28px -6px rgba(28, 25, 23, 0.24);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1000;
}

.copy-badge-notification.show {
  transform: translateY(0);
  opacity: 1;
}

/* -----------------------------------------------------------
   Footer
----------------------------------------------------------- */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer-socials {
  display: flex;
  gap: 16px;
}

.social-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.social-circle:hover {
  background: var(--accent);
  color: #FFF;
  transform: translateY(-3px);
}

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

/* -----------------------------------------------------------
   Back to top button
----------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--transition-normal);
  z-index: 90;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent);
  color: #FFF;
  border-color: var(--accent);
}

/* -----------------------------------------------------------
   Responsive Media Queries
----------------------------------------------------------- */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

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

  .hero-description {
    margin: 0 auto 32px auto;
  }

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

  .hero-stats {
    max-width: 480px;
    margin: 0 auto;
  }

  .hero-visual {
    margin-top: 20px;
  }

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

  .exp-edu-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  .hero-title {
    font-size: 2.35rem;
  }

  .section-title {
    font-size: 1.85rem;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
    box-shadow: 0 12px 32px -8px rgba(28, 25, 23, 0.18);
  }

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

  .mobile-toggle {
    display: block;
  }

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

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

  .contact-card-wrapper {
    padding: 32px 20px;
  }

  .badge-top-right, .badge-bottom-left {
    display: none;
  }
}

/* -----------------------------------------------------------
   GSAP Animations: loader, progress bar, hero reveal, tilt
----------------------------------------------------------- */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-main);
  display: flex;
  align-items: center;
  justify-content: center;
}

.loader-logo {
  font-size: 4.5rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  background: var(--accent-gradient);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 2.5s ease-in-out infinite;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transform-origin: left;
  z-index: 999;
  pointer-events: none;
}

.hero-line {
  display: inline-block;
  font-style: italic;
}

.hero-name-mask {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
}

.hero-title .gradient-text {
  background-size: 200% 200%;
  animation: gradientShift 6s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* 3D tilt perspective */
.projects-grid { perspective: 900px; }
.hero-visual { perspective: 900px; }
.avatar-card { will-change: transform; }

/* Magnetic buttons — drop transform from transition so GSAP owns it */
.hero-actions .btn {
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  .hero-title .gradient-text,
  .loader-logo,
  .status-dot,
  .floating-badge {
    animation: none;
  }
}