/**
 * Modern, Ultra-Lightweight Stylesheet for Mohammadreza Naderi Akhormeh's CV
 * Zero external font or CSS dependencies for blazing fast load times.
 */

:root {
  /* Color Palette - Dark Mode (Default) */
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(9, 13, 22, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(56, 189, 248, 0.4);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-cyan: #38bdf8;
  --accent-indigo: #6366f1;
  --accent-purple: #a855f7;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;

  --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #6366f1 50%, #a855f7 100%);
  --card-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.0) 100%);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 35px rgba(56, 189, 248, 0.15);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --header-height: 72px;
  --container-max: 1040px;
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: #ffffff;
  --bg-glass: rgba(248, 250, 252, 0.85);
  --border-color: rgba(0, 0, 0, 0.08);
  --border-color-hover: rgba(2, 132, 199, 0.35);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --accent-cyan: #0284c7;
  --accent-indigo: #4f46e5;
  --accent-purple: #9333ea;
  --accent-emerald: #059669;

  --accent-gradient: linear-gradient(135deg, #0284c7 0%, #4f46e5 50%, #9333ea 100%);
  --card-gradient: linear-gradient(180deg, rgba(0, 0, 0, 0.01) 0%, rgba(0, 0, 0, 0.03) 100%);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 25px rgba(2, 132, 199, 0.12);
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--bg-primary);
}

/* Background Ambient Glows */
.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.15;
}
.bg-glow-1 {
  width: 450px;
  height: 450px;
  top: -100px;
  right: -100px;
  background: radial-gradient(circle, var(--accent-cyan), transparent);
}
.bg-glow-2 {
  width: 500px;
  height: 500px;
  bottom: 10%;
  left: -150px;
  background: radial-gradient(circle, var(--accent-indigo), transparent);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Links & Buttons */
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-container {
  max-width: var(--container-max);
  height: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}
.brand-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent-gradient);
  color: #ffffff;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.brand-name {
  letter-spacing: -0.2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-item {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.35rem 0;
}
.nav-item:hover, .nav-item.active {
  color: var(--accent-cyan);
}
.nav-item.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}
.icon-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-cyan);
  background: var(--bg-card-hover);
}
.icon-btn .icon {
  width: 18px;
  height: 18px;
}

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

.mobile-only {
  display: none;
}

/* Sections */
.section {
  padding: 5rem 0;
  position: relative;
}
.section-header {
  margin-bottom: 2.75rem;
}
.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-cyan);
  margin-bottom: 0.35rem;
}
.section-title {
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.6px;
  color: var(--text-primary);
}
.section-desc {
  margin-top: 0.5rem;
  color: var(--text-secondary);
  max-width: 600px;
  font-size: 1rem;
}
.section-divider {
  width: 48px;
  height: 3px;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  margin-top: 0.85rem;
}

/* Cards */
.card {
  background: var(--bg-card);
  background-image: var(--card-gradient);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  backdrop-filter: blur(10px);
}
.card:hover {
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-glow);
}

/* Hero Section */
.hero-section {
  padding: 4.5rem 0 3.5rem 0;
}
.hero-container {
  display: flex;
  align-items: center;
  gap: 3.5rem;
}

.hero-avatar-wrapper {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.avatar-ring {
  position: relative;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  padding: 4px;
  background: var(--accent-gradient);
  box-shadow: var(--shadow-glow);
}
.hero-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  background: var(--bg-secondary);
  display: block;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-emerald);
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse-glow 2s infinite ease-in-out;
}
@keyframes pulse-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-content {
  flex-grow: 1;
}
.hero-greeting {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.25rem;
}
.hero-name {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.2px;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}
.hero-headline {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}
.hero-subheadline {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Stats Pill Row */
.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}
.stat-pill {
  display: inline-flex;
  flex-direction: column;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}
.stat-highlight {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--accent-cyan);
}
.stat-desc {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* Hero Action Buttons */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}
.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(56, 189, 248, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(56, 189, 248, 0.45);
}
.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  border-color: var(--accent-cyan);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}
.btn-icon {
  width: 18px;
  height: 18px;
}

.social-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.social-icon-btn:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}
.social-icon-btn svg {
  width: 20px;
  height: 20px;
}

/* About Grid */
.about-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.75rem;
}
.about-text-card {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
}
.about-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.card-subtitle {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.6rem;
}
.quick-details-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.quick-details-list li {
  display: flex;
  flex-direction: column;
}
.detail-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}
.detail-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 0.15rem;
}
.detail-value.highlight {
  color: var(--accent-cyan);
}

/* Education Card */
.education-card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.edu-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.edu-degree {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}
.edu-institution {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-cyan);
}
.edu-period-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
}
.edu-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.edu-gpa-box {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
}
.gpa-num {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent-emerald);
}
.gpa-badge {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.15);
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
}
.edu-interests-title {
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.6px;
  margin-bottom: 0.45rem;
}
.interests-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.interest-pill {
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Awards Grid */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}
.award-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.award-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.award-badge-pill {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
  white-space: nowrap;
}
.award-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
}
.award-issuer {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
}
.award-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.award-year {
  margin-top: 1.25rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Publications */
.publications-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.publication-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  position: relative;
}
.pub-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.pub-title {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
}
.pub-authors {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.pub-venue {
  font-size: 0.9rem;
  color: var(--accent-cyan);
  font-weight: 600;
  font-style: italic;
}
.pub-summary {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.25rem;
}
.pub-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--accent-cyan);
  transition: all var(--transition-fast);
}
.pub-link-btn:hover {
  border-color: var(--accent-cyan);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}
.pub-status-pill {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: rgba(168, 85, 247, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(168, 85, 247, 0.3);
  white-space: nowrap;
}

/* Timeline (Experience) */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 19px;
  width: 2px;
  background: var(--border-color);
}
.timeline-item {
  position: relative;
  padding-left: 55px;
}
.timeline-dot {
  position: absolute;
  top: 6px;
  left: 10px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
}
.timeline-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.timeline-role {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}
.timeline-company {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-cyan);
}
.timeline-period {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}
.timeline-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.timeline-bullets li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}
.timeline-bullets li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-size: 1rem;
  line-height: 1.4;
}
.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.tech-pill {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 1.75rem;
}
.project-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}
.project-top {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.project-context-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}
.project-context {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--accent-cyan);
}
.project-metric {
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}
.project-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.project-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-top: 0.35rem;
}
.project-bullets li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
}
.project-bullets li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-weight: bold;
}
.project-footer {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.project-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-top: 0.25rem;
}
.project-link-btn:hover {
  text-decoration: underline;
  color: #ffffff;
}

/* Skills Categories */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.skill-card {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.skill-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}
.skill-category-icon {
  width: 24px;
  height: 24px;
  color: var(--accent-cyan);
}
.skill-category-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}
.skill-items-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.skill-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.skill-name {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-primary);
}
.skill-dots {
  display: flex;
  gap: 4px;
}
.skill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-color);
}
.skill-dot.filled {
  background: var(--accent-cyan);
}

/* Languages */
.languages-wrapper {
  margin-top: 3.5rem;
}
.subsection-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}
.languages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}
.language-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
}
.language-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}
.language-level {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.language-rating {
  display: flex;
  gap: 4px;
}

/* Contact Section */
.contact-card {
  padding: 2.5rem;
}
.contact-methods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}
.contact-box {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}
.contact-box:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
  background: var(--bg-card-hover);
}
.contact-box-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-cyan);
  flex-shrink: 0;
}
.contact-box-icon svg {
  width: 22px;
  height: 22px;
}
.contact-box-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.contact-box-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}
.contact-box-val {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 0;
  margin-top: 4rem;
  background: var(--bg-secondary);
}
.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.footer-copy {
  font-size: 0.88rem;
  color: var(--text-muted);
}
.footer-source-note {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.live-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 6px var(--accent-emerald);
  animation: pulse-glow 2s infinite ease-in-out;
}
.footer-json-link {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-weight: 600;
}
.footer-json-link:hover {
  text-decoration: underline;
}

.btn-back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}
.btn-back-to-top:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}
.btn-back-to-top svg {
  width: 16px;
  height: 16px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--accent-cyan);
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 1000;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.toast.hidden {
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
}

/* Skeleton Loading Helpers */
.skeleton-text {
  height: 1rem;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.05) 25%, rgba(255, 255, 255, 0.12) 50%, rgba(255, 255, 255, 0.05) 75%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.8s infinite ease-in-out;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}
.skeleton-text.short {
  width: 60%;
}
@keyframes skeleton-pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.hidden {
  display: none !important;
}

/* Responsive Media Queries */
@media (max-width: 860px) {
  .hero-container {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }
  .hero-name {
    font-size: 2.2rem;
  }
  .stats-row {
    justify-content: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    flex-direction: column;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    gap: 1rem;
  }
  .nav-links.open {
    display: flex;
  }
  .mobile-only {
    display: inline-flex;
  }
  .btn-text-desktop {
    display: none;
  }
}

/* =========================================================
   Print Stylesheet: Formats clean 1-2 page paper/PDF resume
   ========================================================= */
@media print {
  body {
    background: #ffffff !important;
    color: #111827 !important;
    font-size: 11pt !important;
    line-height: 1.4 !important;
  }

  .site-header,
  .site-footer,
  .bg-glow,
  .hero-actions,
  .status-badge,
  .btn-back-to-top,
  .toast {
    display: none !important;
  }

  .section {
    padding: 1rem 0 !important;
  }

  .card {
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
    padding: 0 !important;
  }

  .hero-section {
    padding-top: 0 !important;
    margin-bottom: 1rem !important;
  }
  .hero-container {
    flex-direction: row !important;
    gap: 1.5rem !important;
    text-align: left !important;
  }
  .hero-avatar-wrapper {
    width: 100px;
    height: 100px;
  }
  .avatar-ring {
    width: 90px;
    height: 90px;
    box-shadow: none !important;
    padding: 0 !important;
    background: none !important;
  }
  .hero-name {
    font-size: 1.8rem !important;
    color: #111827 !important;
  }
  .hero-headline {
    font-size: 1.1rem !important;
    color: #374151 !important;
  }
  .stat-pill {
    border: 1px solid #d1d5db !important;
  }
  .section-title {
    font-size: 1.4rem !important;
    color: #111827 !important;
  }
  .timeline::before {
    background: #9ca3af !important;
  }
  .timeline-dot {
    background: #ffffff !important;
    border-color: #111827 !important;
    box-shadow: none !important;
  }
  a {
    color: #111827 !important;
    text-decoration: underline !important;
  }
}