/* ==========================================
   CV Lic. Silvana Martinez - Design System
   Modern Executive Aesthetic
   ========================================== */

/* --- Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- CSS Variables / Design Tokens --- */
:root {
  /* Light Theme (Default Warm Slate & Copper Accent) */
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-secondary: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --border-glass: rgba(226, 232, 240, 0.8);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  
  --accent-primary: #d97706; /* Warm Copper / Amber Gold */
  --accent-primary-hover: #b45309;
  --accent-secondary: #0284c7; /* Professional Blue */
  --accent-gradient: linear-gradient(135deg, #d97706 0%, #ea580c 50%, #b45309 100%);
  --accent-light: rgba(217, 119, 6, 0.1);
  --accent-border: rgba(217, 119, 6, 0.25);

  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 36px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 25px rgba(217, 119, 6, 0.2);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading: 'Outfit', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
}

/* --- Dark Theme Overrides --- */
[data-theme="dark"] {
  --bg-main: #0b0f19;
  --bg-card: #151c2c;
  --bg-card-hover: #1e273d;
  --bg-secondary: #1a2336;
  --bg-glass: rgba(15, 23, 42, 0.85);
  --border-glass: rgba(255, 255, 255, 0.1);

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;

  --accent-primary: #f59e0b;
  --accent-primary-hover: #fbbf24;
  --accent-secondary: #38bdf8;
  --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #f97316 50%, #d97706 100%);
  --accent-light: rgba(245, 158, 11, 0.12);
  --accent-border: rgba(245, 158, 11, 0.3);

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(245, 158, 11, 0.3);
}

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

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

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

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

/* --- Layout Container --- */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

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

/* --- Typography Utilities --- */
h1, h2, h3, h4, .font-heading {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.25;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--accent-light);
  border: 1px solid var(--accent-border);
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin-bottom: 3rem;
}

/* --- Header & Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  transition: all var(--transition-fast);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-primary);
}

.logo-badge {
  background: var(--accent-gradient);
  color: white;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 800;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

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

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width var(--transition-fast);
  border-radius: 2px;
}

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

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

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  transform: scale(1.05);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

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

/* Buttons System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff !important;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  opacity: 0.95;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-glass);
  box-shadow: var(--shadow-sm);
}

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

/* --- Hero Section --- */
.hero-section {
  padding-top: 9rem;
  padding-bottom: 6rem;
  background: radial-gradient(circle at 80% 20%, var(--accent-light) 0%, transparent 40%),
              radial-gradient(circle at 10% 80%, rgba(2, 132, 199, 0.08) 0%, transparent 40%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.status-dot {
  width: 9px;
  height: 9px;
  background-color: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 10px #22c55e;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--text-primary) 60%, var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 1.5rem;
}

.hero-bio {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-glass);
}

.stat-item h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
}

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

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

.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.image-card {
  position: relative;
  width: 320px;
  height: 380px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--bg-card);
  transition: transform var(--transition-normal);
}

.image-card:hover {
  transform: translateY(-6px);
}

.image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.image-experience-badge {
  position: absolute;
  bottom: -20px;
  right: -10px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  padding: 1rem 1.4rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.badge-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.badge-text strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.badge-text span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Experience Section --- */
.filters-container {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-sm);
}

/* Timeline Layout */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-primary), var(--border-glass));
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  transition: all var(--transition-normal);
}

.timeline-item.hidden {
  display: none;
}

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 1.5rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 3px solid var(--accent-primary);
  box-shadow: var(--shadow-sm);
  z-index: 2;
  transition: all var(--transition-fast);
}

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

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

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

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

.role-title {
  font-size: 1.35rem;
  font-weight: 700;
}

.company-name {
  font-size: 1rem;
  color: var(--accent-primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.2rem;
}

.date-badge {
  padding: 0.35rem 0.9rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--border-glass);
}

.date-badge.current {
  background: var(--accent-light);
  color: var(--accent-primary);
  border-color: var(--accent-border);
}

.timeline-body p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.timeline-tasks {
  list-style: none;
  padding: 0;
}

.timeline-tasks li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.timeline-tasks li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-size: 0.8rem;
}

.country-flag {
  font-size: 1.1rem;
  vertical-align: middle;
  margin-left: 0.4rem;
}

/* --- Education & Certifications --- */
.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

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

.edu-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.edu-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.edu-year {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.edu-degree {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.edu-institution {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Courses & Postgraduate Cards Grid */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.5rem;
}

.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.course-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.course-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.course-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

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

/* Languages Section */
.languages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.lang-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.lang-flag {
  font-size: 2.2rem;
}

.lang-info h4 {
  font-size: 1.1rem;
  font-weight: 700;
}

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

.lang-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  margin-top: 0.6rem;
  overflow: hidden;
}

.lang-progress {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
}

/* --- Aptitudes & Skills Section --- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.skill-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent-border);
}

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

.skill-title-group {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.skill-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.skill-name {
  font-size: 1.1rem;
  font-weight: 700;
}

.skill-dots {
  display: flex;
  gap: 0.4rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg-secondary);
}

.dot.active {
  background: var(--accent-primary);
}

.skill-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* --- Contact Section --- */
.contact-section {
  background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-secondary) 100%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.contact-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--accent-light);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-details p, .contact-details a {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-details a:hover {
  color: var(--accent-primary);
}

.download-cv-card {
  background: var(--accent-gradient);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.download-cv-card::before {
  content: '📄';
  position: absolute;
  right: -20px;
  bottom: -30px;
  font-size: 10rem;
  opacity: 0.15;
}

.download-cv-card h3 {
  color: white;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.download-cv-card p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.download-cv-card .btn {
  background: white;
  color: var(--text-primary) !important;
  font-weight: 700;
  align-self: flex-start;
}

.download-cv-card .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* --- Footer --- */
.footer {
  padding: 3rem 0;
  background: var(--bg-main);
  border-top: 1px solid var(--border-glass);
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* --- Modal Popup --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

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

.modal-container {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 90%;
  padding: 2.5rem;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-lg);
}

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

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--bg-secondary);
  border: none;
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--text-primary);
  color: var(--text-inverse);
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 3000;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Scroll Animation Helper */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.animate {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive Media Queries --- */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-subtitle, .hero-bio {
    margin-left: auto;
    margin-right: auto;
  }

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

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

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

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--bg-card);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    transition: left var(--transition-normal);
  }

  .nav-menu.active {
    left: 0;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.5rem;
  }

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

  .image-card {
    width: 260px;
    height: 320px;
  }
}