/**
 * Stephen Carlick Portfolio
 * Minimal, editorial, typography-led design
 */

/* ============================================
   CSS Custom Properties
   ============================================ */
:root {
  /* Colors */
  --color-bg: #ffffff;
  --color-bg-subtle: #fafafa;
  --color-text: #1c1917;
  --color-text-secondary: #57534e;
  --color-text-tertiary: #a8a29e;
  --color-accent: #2d5a3d; /* Forest green */
  --color-accent-dim: rgba(45, 90, 61, 0.1);
  --color-border: #ebebeb;
  --color-border-strong: #d4d4d4;
  
  /* Typography */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Sizing */
  --container-max: 1200px;
  --container-narrow: 720px;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  --space-2xl: 8rem;
  
  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
  
  /* Misc */
  --radius-sm: 4px;
  --radius-md: 8px;
  --focus-ring: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-accent);
}

/* Dark mode (optional, elegant implementation) */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #171717;
    --color-bg-subtle: #1f1f1f;
    --color-text: #fafafa;
    --color-text-secondary: #a8a29e;
    --color-text-tertiary: #78716c;
    --color-border: #2e2e2e;
    --color-border-strong: #404040;
    --color-accent: #4a9d6b; /* Lighter forest green for dark mode */
    --color-accent-dim: rgba(74, 157, 107, 0.15);
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
}

/* Page load animation - applied to main content only to avoid breaking fixed positioning */
main {
  opacity: 0;
  transform: translateY(4px);
  animation: fadeInUp var(--duration-slow) var(--ease-out) forwards;
  animation-delay: 50ms;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: none;
  }
}

/* Text selection */
::selection {
  background-color: var(--color-accent);
  color: var(--color-text);
}

::-moz-selection {
  background-color: var(--color-accent);
  color: var(--color-text);
}

/* Focus styles */
:focus {
  outline: none;
}

:focus-visible {
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
}

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

/* Lists */
ul, ol {
  list-style: none;
}

/* ============================================
   Skip Link (Accessibility)
   ============================================ */
.skip-link {
  position: fixed;
  top: -100%;
  left: var(--space-md);
  z-index: 9999;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-text);
  color: var(--color-bg);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
  top: var(--space-md);
}

/* ============================================
   Section Navigation (Scroll Indicator)
   ============================================ */
.section-nav {
  position: fixed;
  right: var(--space-lg);
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.section-nav.visible {
  opacity: 1;
}

.section-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.nav-dot {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-xs);
}

.nav-dot::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border-strong);
  transition: all var(--duration-fast) var(--ease-out);
  order: 1;
}

.nav-dot span {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  opacity: 0;
  transform: translateX(8px);
  transition: all var(--duration-fast) var(--ease-out);
}

.nav-dot:hover span,
.nav-dot.active span {
  opacity: 1;
  transform: translateX(0);
}

.nav-dot:hover::before {
  background: var(--color-text-secondary);
  transform: scale(1.25);
}

.nav-dot.active::before {
  background: var(--color-accent);
  transform: scale(1.5);
}

@media (max-width: 1024px) {
  .section-nav {
    display: none;
  }
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 100;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--duration-normal) var(--ease-out);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.back-to-top:not([hidden]) {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

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

.back-to-top:focus-visible {
  box-shadow: var(--focus-ring);
}

@media (max-width: 768px) {
  .back-to-top {
    bottom: var(--space-md);
    right: var(--space-md);
  }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  min-height: auto;
  display: flex;
  align-items: center;
  padding: var(--space-2xl) var(--space-lg);
  overflow: hidden;
}

.hero-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-2xl);
  }
}

.hero-content {
  max-width: var(--container-narrow);
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.hero-title {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 400;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-xl);
}

.hero-positioning {
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  line-height: 1.7;
  color: var(--color-text);
  max-width: 600px;
  margin-bottom: var(--space-xl);
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
  position: relative;
}

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

.btn-primary:hover {
  background: transparent;
  color: var(--color-text);
}

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

.btn-secondary:hover {
  border-color: var(--color-text);
}

/* Magnetic button effect */
.magnetic {
  transition: transform var(--duration-fast) var(--ease-out);
}

/* Brand strip */
.brand-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg) var(--space-2xl);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.brand-strip .brand-text {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-tertiary);
  letter-spacing: 0.02em;
}

.brand-strip .brand-logo {
  height: 32px;
  width: auto;
  filter: grayscale(100%) opacity(0.5);
  transition: filter var(--duration-fast) var(--ease-out);
}

.brand-strip .brand-logo:hover {
  filter: grayscale(100%) opacity(0.8);
}

@media (max-width: 640px) {
  .brand-strip {
    gap: var(--space-sm) var(--space-lg);
  }
  
  .brand-strip .brand-logo {
    height: 24px;
  }
}

/* Hero Image (Asymmetric) */
.hero-image {
  position: relative;
  justify-self: end;
}

.hero-image-inner {
  position: relative;
  max-width: 480px;
  transform: translateX(var(--space-lg));
}

@media (min-width: 1024px) {
  .hero-image-inner {
    transform: translateX(var(--space-xl));
  }
}

.hero-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius-sm);
  filter: grayscale(15%) contrast(1.02);
  transition: filter var(--duration-slow) var(--ease-out);
}

.hero-image:hover img {
  filter: grayscale(0%) contrast(1);
}

/* Decorative accent behind hero image */
.hero-image-accent {
  position: absolute;
  top: var(--space-lg);
  left: calc(-1 * var(--space-lg));
  width: 100%;
  height: 100%;
  background: var(--color-accent);
  opacity: 0.15;
  border-radius: var(--radius-sm);
  z-index: -1;
  transition: transform var(--duration-slow) var(--ease-out);
}

.hero-image:hover .hero-image-accent {
  transform: translate(-4px, 4px);
}

/* Hero image placeholder */
.hero-image.placeholder .hero-image-inner {
  aspect-ratio: 3/4;
  background: var(--color-bg-subtle);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.hero-image.placeholder::after {
  content: 'Hero Image';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-tertiary);
}

@media (max-width: 1023px) {
  .hero-image {
    order: -1;
    justify-self: center;
  }
  
  .hero-image-inner {
    transform: none;
    max-width: 320px;
  }
  
  .hero-image-accent {
    display: none;
  }
}

/* ============================================
   Sections (General)
   ============================================ */
.section {
  padding: var(--space-2xl) var(--space-lg);
}

.section-header {
  max-width: var(--container-narrow);
  margin: 0 auto var(--space-xl);
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

/* ============================================
   Projects Section
   ============================================ */
.projects {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* Project Card */
.project-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--duration-fast) var(--ease-out),
              opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.project-card:hover {
  border-color: var(--color-border-strong);
}

/* Scroll reveal animation */
.project-card.reveal-on-scroll {
  opacity: 0;
  transform: translateY(20px);
}

.project-card.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Disable scroll reveal animation for reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .project-card.reveal-on-scroll {
    opacity: 1;
    transform: none;
  }
}

.project-header {
  padding: var(--space-lg);
  padding-left: calc(var(--space-lg) + 100px);
  cursor: pointer;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-md);
  align-items: center;
  position: relative;
  transition: background var(--duration-fast) var(--ease-out);
}

@media (min-width: 768px) {
  .project-header {
    padding-left: calc(var(--space-lg) + 140px);
  }
}

@media (max-width: 640px) {
  .project-header {
    padding-left: var(--space-lg);
    padding-top: calc(var(--space-lg) + 2rem);
  }
}

.project-header:hover {
  background: var(--color-bg-subtle);
}

/* Large typographic years */
.project-years-display {
  position: absolute;
  left: var(--space-lg);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 400;
  color: var(--color-text-tertiary);
  letter-spacing: -0.02em;
  line-height: 1;
  transition: color var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}

@media (max-width: 640px) {
  .project-years-display {
    top: var(--space-lg);
    transform: none;
    font-size: 0.875rem;
  }
}

.project-header:hover .project-years-display {
  color: var(--color-accent);
}

/* Project role (without years, since years are now displayed separately) */
.project-role {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.project-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.project-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 400;
  line-height: 1.2;
}

.project-title-text {
  position: relative;
  display: inline-block;
}

.project-title-subtitle {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-tertiary);
  margin-left: var(--space-sm);
}

/* Animated underline */
.project-title-underline {
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--duration-normal) var(--ease-out);
}

.project-header:hover .project-title-underline {
  width: 100%;
}

.project-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--duration-fast) var(--ease-out);
}

.project-header:hover .project-toggle {
  color: var(--color-text);
}

.project-toggle svg {
  transition: transform var(--duration-normal) var(--ease-out);
}

.project-card.expanded .project-toggle svg {
  transform: rotate(180deg);
}

/* Project Content (Accordion) */
.project-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-slow) var(--ease-out);
}

.project-card.expanded .project-content {
  grid-template-rows: 1fr;
}

.project-content-inner {
  overflow: hidden;
}

.project-body {
  padding: 0 var(--space-lg) var(--space-lg);
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .project-body {
    grid-template-columns: 1fr 1fr;
  }
}

.project-summary {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.project-focus h4,
.project-links-section h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-sm);
}

.project-focus ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.project-focus li {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  padding-left: var(--space-md);
  position: relative;
}

.project-focus li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 4px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 50%;
}

.project-links-section {
  margin-top: var(--space-md);
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.8125rem;
  color: var(--color-text);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}

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

.project-link.featured {
  background: var(--color-accent-dim);
  border-color: var(--color-accent);
}

.project-link svg {
  width: 12px;
  height: 12px;
  opacity: 0.5;
}

.project-note {
  font-size: 0.8125rem;
  font-style: italic;
  color: var(--color-text-tertiary);
  margin-top: var(--space-sm);
}

/* Project Artefacts */
.project-artefacts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

.artefact {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.artefact:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.artefact img {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(10%);
  transition: filter var(--duration-normal) var(--ease-out);
}

.artefact:hover img {
  filter: grayscale(0%);
}

/* Placeholder artefacts */
.artefact.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.artefact.placeholder::before {
  content: 'Image';
}

/* ============================================
   Skills Section
   ============================================ */
.section-skills {
  background: var(--color-bg-subtle);
}

.skills-list {
  max-width: var(--container-narrow);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.skills-list li {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  line-height: 1.5;
  padding-left: var(--space-lg);
  position: relative;
}

.skills-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ============================================
   About Section
   ============================================ */
.about-content {
  max-width: var(--container-narrow);
  margin: 0 auto;
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .about-content {
    grid-template-columns: 1.5fr 1fr;
  }
}

.about-paragraph {
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  line-height: 1.7;
}

.ways-i-work h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
}

.ways-i-work ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.ways-i-work li {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  padding-left: var(--space-md);
  position: relative;
}

.ways-i-work li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* ============================================
   Testimonials Section
   ============================================ */
.section-testimonials {
  background: var(--color-bg-subtle);
}

.testimonials-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial {
  background: var(--color-bg);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.testimonial-quote {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-style: italic;
  line-height: 1.6;
  flex-grow: 1;
}

.testimonial-quote::before {
  content: '"';
  color: var(--color-accent);
}

.testimonial-quote::after {
  content: '"';
  color: var(--color-accent);
}

.testimonial-expanded {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  display: none;
}

.testimonial.show-expanded .testimonial-expanded {
  display: block;
}

.testimonial-read-more {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  transition: color var(--duration-fast) var(--ease-out);
}

.testimonial-read-more:hover {
  color: var(--color-text);
}

.testimonial-attribution {
  font-size: 0.875rem;
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-text);
}

.testimonial-role {
  color: var(--color-text-secondary);
}

/* ============================================
   Contact Section
   ============================================ */
.section-contact {
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
}

.contact-content {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.contact-content h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  margin-bottom: var(--space-md);
}

.contact-content > p {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.contact-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.contact-email {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 2rem);
  color: var(--color-text);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: var(--space-xs);
  transition: all var(--duration-fast) var(--ease-out);
}

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

.contact-phone {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  padding: var(--space-lg);
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.footer p {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
}

/* ============================================
   Lightbox
   ============================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.lightbox:not([hidden]) {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.lightbox-caption {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  text-align: center;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  padding: var(--space-md);
  transition: color var(--duration-fast) var(--ease-out);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  color: white;
}

.lightbox-close {
  top: var(--space-lg);
  right: var(--space-lg);
}

.lightbox-prev {
  left: var(--space-lg);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: var(--space-lg);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-counter {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8125rem;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 640px) {
  .hero {
    padding: var(--space-xl) var(--space-md);
    min-height: auto;
    padding-top: 15vh;
  }
  
  .section {
    padding: var(--space-xl) var(--space-md);
  }
  
  .hero-links {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .hero-links .btn {
    width: 100%;
    justify-content: center;
  }
  
  .project-header {
    grid-template-columns: 1fr;
  }
  
  .project-toggle {
    justify-self: start;
    margin-top: var(--space-sm);
  }
  
  .project-body {
    grid-template-columns: 1fr;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .section-nav,
  .back-to-top,
  .lightbox {
    display: none !important;
  }
  
  body {
    opacity: 1;
    transform: none;
    animation: none;
  }
  
  .project-content {
    grid-template-rows: 1fr !important;
  }
}