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

/* CSS Custom Properties for "Clinical-Tech" Theme */
:root {
  --primary-font: 'Inter', sans-serif;
  --display-font: 'Outfit', sans-serif;

  /* Color Palette */
  --bg-primary: #f8fafc;        /* Ultra-light slate/cool grey */
  --bg-secondary: #ffffff;      /* Pure white */
  --text-primary: #0f172a;      /* Deep slate navy */
  --text-secondary: #475569;    /* Muted slate text */
  --text-muted: #64748b;        /* Light slate subtext */
  --accent-teal: #0d9488;       /* Muted digital health teal */
  --accent-teal-dark: #0f766e;  /* Darker teal for contrast/hover */
  --accent-teal-light: #f0fdfa; /* Super light teal tint for backgrounds */
  --border-color: #e2e8f0;      /* Clean grey dividers */
  --border-focus: #cbd5e1;
  
  /* Shadow Systems */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  
  /* Radii & Transitions */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Layout Sizing */
  --max-width: 1200px;
  --header-height: 80px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  font-family: var(--primary-font);
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--display-font);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

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

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: var(--radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 80px 0;
  border-bottom: 1px solid var(--border-color);
}

section:last-of-type {
  border-bottom: none;
}

/* Glassmorphism Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  height: 70px;
}

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

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

.logo-icon {
  width: 40px;
  height: 40px;
  background-color: var(--accent-teal);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-secondary);
  font-weight: 800;
  font-family: var(--display-font);
  font-size: 1.25rem;
  box-shadow: 0 4px 10px rgba(13, 148, 136, 0.3);
}

.logo-text {
  font-family: var(--display-font);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.logo-text span {
  color: var(--accent-teal);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

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

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

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

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.mobile-nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  margin-bottom: 5px;
  transition: var(--transition-fast);
}

.mobile-nav-toggle span:last-child {
  margin-bottom: 0;
}

.mobile-nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Button UI Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--primary-font);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--transition-fast), opacity var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  border: none;
  outline: none;
}

.btn-primary {
  background-color: var(--accent-teal);
  color: var(--bg-secondary);
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.25);
}

.btn-primary:hover {
  background-color: var(--accent-teal-dark);
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.35);
  transform: translateY(-2px) scale(1.02);
  opacity: 0.95;
}

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

.btn-secondary:hover {
  background-color: rgba(15, 23, 42, 0.03);
  border-color: var(--text-primary);
  transform: translateY(-2px) scale(1.02);
  opacity: 0.9;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

/* Hero Section Styles */
.hero {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 40px);
  background: radial-gradient(circle at 80% 20%, var(--accent-teal-light) 0%, transparent 40%);
}

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

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--accent-teal);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid var(--bg-secondary);
}

.hero-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(13, 148, 136, 0.2);
  pointer-events: none;
  border-radius: inherit;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  transition: var(--transition-normal);
}

.hero-image-wrapper:hover .hero-img {
  transform: scale(1.03);
}

/* Narrative Section Styles */
.narrative-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.narrative-title {
  font-size: 2.25rem;
  position: relative;
  padding-bottom: 1.5rem;
}

.narrative-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 4px;
  background-color: var(--accent-teal);
  border-radius: 2px;
}

.narrative-text {
  font-size: 1.1rem;
  line-height: 1.8;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.narrative-lead {
  font-size: 1.25rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* Section Header Shared Style */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.section-tag {
  font-size: 0.85rem;
  color: var(--accent-teal);
  font-weight: 700;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.25rem;
}

/* Core Competencies Tech Stack Grid */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.tech-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.tech-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(13, 148, 136, 0.3);
}

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

.tech-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-teal-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-teal);
  font-size: 1.5rem;
}

.tech-card-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.tech-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tech-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.tech-item-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tech-item-name::before {
  content: "•";
  color: var(--accent-teal);
  font-weight: bold;
}

.tech-item-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-left: 0.8rem;
}

/* Professional Experience & Key Metrics */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 3.5rem;
}

.metric-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: var(--transition-normal);
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(13, 148, 136, 0.2);
}

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

.metric-number {
  font-family: var(--display-font);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--accent-teal);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.metric-label {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

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

.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 3rem;
  position: relative;
}

.timeline-left {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.timeline-date {
  font-family: var(--display-font);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-teal);
}

.timeline-company {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.timeline-right {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.timeline-role {
  font-size: 1.5rem;
  font-weight: 700;
}

.projects-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.project-card {
  border-left: 3px solid var(--accent-teal);
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

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

.project-link {
  font-size: 0.85rem;
  color: var(--accent-teal);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.project-link:hover {
  color: var(--accent-teal-dark);
  text-decoration: underline;
}

.project-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Digital Humanitarianism Section */
.humanitarian-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.humanitarian-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: var(--transition-normal);
}

.humanitarian-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(13, 148, 136, 0.2);
}

.humanitarian-icon {
  font-size: 2rem;
  color: var(--accent-teal);
}

.humanitarian-card-title {
  font-size: 1.3rem;
  font-weight: 700;
}

.humanitarian-card-desc {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Education & Academic Credentials */
.education-section {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

.education-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.education-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.education-degree {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.education-school {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.education-tag {
  display: inline-flex;
  align-self: flex-start;
  background-color: var(--accent-teal-light);
  color: var(--accent-teal);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* Credentials Portfolio Container */
.cert-portfolio-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-md), 0 10px 30px rgba(15, 23, 42, 0.02);
  margin-top: 2rem;
  transition: box-shadow var(--transition-normal);
}

.cert-portfolio-container:hover {
  box-shadow: var(--shadow-lg), 0 15px 40px rgba(13, 148, 136, 0.03);
}

.cert-portfolio-header {
  text-align: center;
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.cert-portfolio-title {
  font-family: var(--display-font);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.clinical-indicator {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-teal);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  background-color: var(--accent-teal-light);
  border: 1px solid rgba(13, 148, 136, 0.15);
  border-radius: 50px;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-teal);
  border-radius: 50%;
  position: relative;
  display: inline-block;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--accent-teal);
  animation: pulse-ring 1.8s cubic-bezier(0.215, 0.610, 0.355, 1) infinite;
  opacity: 0;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.5);
    opacity: 0.8;
  }
  80%, 100% {
    transform: scale(1.8);
    opacity: 0;
  }
}

/* Certifications Filter and Gallery */
.cert-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  cursor: pointer;
  font-family: var(--primary-font);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.filter-btn:hover {
  background-color: rgba(13, 148, 136, 0.05);
  color: var(--accent-teal);
  border-color: var(--accent-teal);
}

.filter-btn.active {
  background-color: var(--accent-teal);
  color: var(--bg-secondary);
  border-color: var(--accent-teal);
  box-shadow: 0 4px 10px rgba(13, 148, 136, 0.2);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.cert-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition-normal);
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(13, 148, 136, 0.2);
}

.cert-thumb-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  background-color: #f1f5f9;
  border-bottom: 1px solid var(--border-color);
}

.cert-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
}

.cert-card:hover .cert-thumb {
  transform: scale(1.05);
}

.cert-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-fast);
}

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

.cert-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-grow: 1;
}

.cert-issuer {
  font-size: 0.8rem;
  color: var(--accent-teal);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cert-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  flex-grow: 1;
}

.cert-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.cert-view-btn {
  margin-top: 1rem;
  width: 100%;
}

/* Contact and Gateway Section */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-title {
  font-size: 2rem;
  line-height: 1.2;
}

.contact-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-teal-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-teal);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-detail-content {
  display: flex;
  flex-direction: column;
}

.contact-detail-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-detail-value {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-detail-value a:hover {
  color: var(--accent-teal);
  text-decoration: underline;
}

.contact-form-wrapper {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  font-family: var(--primary-font);
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--accent-teal);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
  background-color: var(--bg-secondary);
}

textarea.form-input {
  min-height: 120px;
  resize: vertical;
}

/* Lightbox Modal */
.lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  padding: 2rem;
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.lightbox-img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.lightbox-caption {
  color: #f1f5f9;
  font-family: var(--display-font);
  font-size: 1.15rem;
  font-weight: 600;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: #cbd5e1;
  font-size: 2rem;
  cursor: pointer;
  transition: var(--transition-fast);
  line-height: 1;
}

.lightbox-close:hover {
  color: var(--bg-secondary);
}

/* Footer styling */
.footer {
  background-color: var(--text-primary);
  color: #94a3b8;
  padding: 40px 0;
  font-size: 0.9rem;
  border-top: 1px solid #1e293b;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-credits span {
  color: var(--accent-teal);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
  .hero-grid {
    gap: 2.5rem;
  }
  .narrative-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .timeline-item {
    grid-template-columns: 180px 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  section {
    padding: 60px 0;
  }
  .hero {
    padding-top: calc(var(--header-height) + 20px);
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  .hero-content {
    align-items: center;
  }
  .hero-title {
    font-size: 2.5rem;
  }
  .hero-image-wrapper {
    max-width: 320px;
    margin: 0 auto;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-secondary);
    flex-direction: column;
    padding: 3rem 1.5rem;
    gap: 1.5rem;
    transform: translateY(100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
    border-top: 1px solid var(--border-color);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-link {
    font-size: 1.1rem;
    width: 100%;
    text-align: center;
  }
  .tech-grid {
    grid-template-columns: 1fr;
  }
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .timeline-item {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .timeline-left {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--accent-teal-light);
    padding-bottom: 0.5rem;
  }
  .humanitarian-grid {
    grid-template-columns: 1fr;
  }
  .education-box {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .contact-form-wrapper {
    padding: 2rem;
  }
}