/* ============================================================
   PATRICIO GARCÍA PÉREZ VELA — INTERACTIVE CV & PORTFOLIO
   Design System: Modern Glassmorphism, Dual Theme, Responsive Grid
   ============================================================ */

/* ---------- CSS VARIABLES & THEME TOKENS ---------- */
:root {
  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-code: 'Fira Code', monospace;

  /* Dark Theme Default */
  --bg-color: #0b0f19;
  --bg-gradient: radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.12) 0%, transparent 40%),
                 radial-gradient(circle at 85% 65%, rgba(139, 92, 246, 0.12) 0%, transparent 40%);
  
  --card-bg: rgba(18, 24, 40, 0.75);
  --card-bg-hover: rgba(26, 35, 58, 0.85);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-border-hover: rgba(59, 130, 246, 0.4);
  
  --header-bg: rgba(11, 15, 25, 0.8);
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-teal: #10b981;
  --accent-pink: #ec4899;
  --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  
  --badge-bg: rgba(59, 130, 246, 0.12);
  --badge-text: #60a5fa;
  --badge-border: rgba(59, 130, 246, 0.25);
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 0 15px rgba(59, 130, 246, 0.1);
  
  --glass-blur: blur(16px);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-color: #f8fafc;
  --bg-gradient: radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 40%),
                 radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 40%);
  
  --card-bg: rgba(255, 255, 255, 0.85);
  --card-bg-hover: rgba(255, 255, 255, 0.98);
  --card-border: rgba(226, 232, 240, 0.8);
  --card-border-hover: rgba(59, 130, 246, 0.5);
  
  --header-bg: rgba(248, 250, 252, 0.85);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  --badge-bg: rgba(59, 130, 246, 0.08);
  --badge-text: #2563eb;
  --badge-border: rgba(59, 130, 246, 0.2);
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.08);
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

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

a:hover {
  color: var(--accent-purple);
}

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

/* ---------- CONTAINER & SECTIONS ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 5rem 0;
  position: relative;
}

.section-header {
  margin-bottom: 2.5rem;
  text-align: center;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-top: 0.5rem;
}

/* ---------- HEADER & NAVIGATION ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--header-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--card-border);
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand-logo {
  font-weight: 800;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
}

.brand-logo .logo-accent {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--accent-gradient);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.25rem 0;
}

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

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

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

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

/* Control Buttons (Theme & Language) */
.btn-icon, .btn-lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-pill);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  backdrop-filter: var(--glass-blur);
  transition: all var(--transition-fast);
  gap: 0.4rem;
}

.btn-icon:hover, .btn-lang:hover {
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.lang-flag {
  font-size: 1rem;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--text-primary);
}

/* ---------- HERO SECTION ---------- */
.hero {
  padding-top: 8rem;
  padding-bottom: 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.hero-card {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent-gradient);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--badge-text);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

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

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-name {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.hero-headline {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.hero-summary {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 900px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
  color: #ffffff;
}

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

.btn-secondary:hover {
  border-color: var(--accent-blue);
  transform: translateY(-2px);
  color: var(--text-primary);
}

/* ---------- SKILLS SECTION ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: all var(--transition-normal);
}

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

.skill-category-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-primary);
}

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

.tags-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 500;
  background: var(--badge-bg);
  color: var(--badge-text);
  border: 1px solid var(--badge-border);
  transition: all var(--transition-fast);
}

.tag:hover {
  transform: scale(1.04);
}

/* ---------- EXPERIENCE SECTION ---------- */
.experience-timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.exp-card {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: all var(--transition-normal);
  position: relative;
}

.exp-card:hover {
  border-color: var(--card-border-hover);
  box-shadow: var(--shadow-lg);
}

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 1.25rem;
}

.exp-company {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
}

.exp-role {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-blue);
  margin-top: 0.25rem;
}

.exp-period-badge {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  background: rgba(139, 92, 246, 0.12);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.25);
}

.exp-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.exp-bullets li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.6;
}

.exp-bullets li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-blue);
  font-weight: bold;
}

/* Metric Highlight Boxes inside Experience */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.metric-box {
  background: rgba(59, 130, 246, 0.06);
  border: 1px dashed rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-blue);
}

.metric-label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

/* ---------- PROJECTS SECTION & FILTERS ---------- */
.filter-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-pill);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-blue);
}

.filter-btn.active {
  background: var(--accent-gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.projects-counter {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-family: var(--font-code);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.75rem;
}

.project-card {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-normal), border-color var(--transition-normal), opacity var(--transition-normal), box-shadow var(--transition-normal);
  opacity: 1;
}

.project-card.hidden {
  display: none;
  opacity: 0;
  transform: scale(0.95);
}

.project-card:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.project-top {
  margin-bottom: 1.5rem;
}

.project-header-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.project-year {
  font-size: 0.8rem;
  font-weight: 700;
  font-family: var(--font-code);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.project-vis-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
}

.project-vis-badge.public {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-teal);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.project-vis-badge.private {
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.project-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.project-subtitle {
  font-size: 0.92rem;
  color: var(--accent-blue);
  font-weight: 600;
  margin-bottom: 1rem;
}

.project-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.project-highlights li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.25rem;
  line-height: 1.5;
}

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

.project-bottom {
  border-top: 1px solid var(--card-border);
  padding-top: 1.25rem;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  width: 100%;
  justify-content: center;
  transition: all var(--transition-fast);
}

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

.project-link.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: transparent;
  border-color: transparent;
  color: var(--text-muted);
}

.project-link.disabled:hover {
  background: transparent;
  color: var(--text-muted);
}

/* ---------- PDF DOWNLOADS SECTION ---------- */
.pdf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.pdf-card {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  text-align: center;
  position: relative;
  overflow: hidden;
}

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

.pdf-icon-wrapper {
  width: 60px;
  height: 60px;
  margin: 0 auto 1.25rem auto;
  border-radius: var(--radius-md);
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.pdf-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.pdf-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.pdf-meta-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-family: var(--font-code);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.pdf-actions {
  display: flex;
  gap: 0.5rem;
}

.pdf-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.pdf-btn-download {
  background: var(--accent-gradient);
  color: #ffffff;
}

.pdf-btn-download:hover {
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
  color: #ffffff;
}

.pdf-btn-view {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
}

.pdf-btn-view:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* ---------- EDUCATION SECTION ---------- */
.edu-card {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  max-width: 900px;
  margin: 0 auto;
  transition: all var(--transition-normal);
}

.edu-card:hover {
  border-color: var(--card-border-hover);
  box-shadow: var(--shadow-lg);
}

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

.edu-degree {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.edu-inst {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-blue);
  margin-top: 0.2rem;
}

.edu-badge {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-teal);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.edu-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--card-border);
}

.edu-detail-item {
  display: flex;
  flex-direction: column;
}

.edu-detail-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.edu-detail-val {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ---------- FOOTER ---------- */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--card-border);
  background: var(--header-bg);
  backdrop-filter: var(--glass-blur);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.footer-link {
  color: var(--text-secondary);
  font-size: 1.2rem;
  transition: color var(--transition-fast);
}

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

/* ---------- RESPONSIVE MEDIA QUERIES ---------- */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 4.5rem;
    left: 0;
    right: 0;
    background: var(--header-bg);
    backdrop-filter: var(--glass-blur);
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--card-border);
  }

  .nav-links.mobile-open {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-name {
    font-size: 2.2rem;
  }

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

  .hero-card {
    padding: 2rem 1.5rem;
  }

  .section-title {
    font-size: 1.8rem;
  }
}