/* ==========================================================================
   Main Styles - Mobile First Approach
   ========================================================================== */

/* ==========================================================================
   Base Styles
   ========================================================================== */

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-regular);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  transition: background-color var(--transition-slow),
              color var(--transition-slow);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-medium);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

h1 {
  font-size: var(--text-4xl);
  font-weight: var(--font-semibold);
}

h2 {
  font-size: var(--text-3xl);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
}

h6 {
  font-size: var(--text-base);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

strong {
  font-weight: var(--font-semibold);
}

/* Links */
a {
  transition: var(--transition-fast);
}

a:hover {
  opacity: 0.7;
}

/* ==========================================================================
   Layout & Container
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-2xl);
  margin: 0 auto;
  padding: 0 var(--container-padding-mobile);
}

/* Page Wrapper for transitions */
.page-wrapper {
  min-height: 100vh;
  opacity: 1;
  transition: opacity var(--transition-slow);
}

.page-wrapper.fade-out {
  opacity: 0;
}

/* Main Content */
main {
  min-height: calc(100vh - 80px);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  transition: transform var(--transition-normal),
              background-color var(--transition-slow);
}

.nav.hide {
  transform: translateY(-100%);
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

/* Logo */
.nav__logo {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-tight);
  z-index: calc(var(--z-fixed) + 2);
}

/* Mobile Menu Toggle */
.nav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 28px;
  height: 28px;
  cursor: pointer;
  z-index: calc(var(--z-fixed) + 2);
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: transform var(--transition-normal),
              opacity var(--transition-normal);
  transform-origin: center;
}

.nav__toggle span:not(:last-child) {
  margin-bottom: 6px;
}

/* Active state - transforms into X */
.nav__toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu */
.nav__menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 100%;
  background-color: var(--color-bg-primary);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  z-index: calc(var(--z-fixed) + 1);
  overflow-y: auto;
}

.nav__menu.active {
  transform: translateX(0);
}

.nav__list {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-2xl) var(--container-padding-mobile);
}

.nav__item {
  margin-bottom: var(--space-lg);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow),
              transform var(--transition-slow);
}

.nav__menu.active .nav__item {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger animation for menu items */
.nav__menu.active .nav__item:nth-child(1) { transition-delay: 100ms; }
.nav__menu.active .nav__item:nth-child(2) { transition-delay: 150ms; }
.nav__menu.active .nav__item:nth-child(3) { transition-delay: 200ms; }
.nav__menu.active .nav__item:nth-child(4) { transition-delay: 250ms; }
.nav__menu.active .nav__item:nth-child(5) { transition-delay: 300ms; }

.nav__link {
  font-size: var(--text-3xl);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-tight);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: width var(--transition-normal);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  border-color: var(--color-border-hover);
  transform: rotate(180deg);
}

.theme-toggle__icon {
  width: 18px;
  height: 18px;
  transition: var(--transition-normal);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--space-2xl) 0;
}

.hero__content {
  width: 100%;
}

.hero__label {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-smooth) 0.2s forwards;
}

.hero__title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-smooth) 0.4s forwards;
}

.hero__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-bottom: var(--space-xl);
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-smooth) 0.6s forwards;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-smooth) 0.8s forwards;
}

.hero__cta-arrow {
  transition: transform var(--transition-normal);
}

.hero__cta:hover .hero__cta-arrow {
  transform: translateX(4px);
}

/* ==========================================================================
   Page Header (for inner pages)
   ========================================================================== */

.page-header {
  padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl);
  text-align: center;
}

.page-header__content {
  max-width: 800px;
  margin: 0 auto;
}

.page-header__label {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.page-header__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-lg);
}

.page-header__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ==========================================================================
   Projects Filters
   ========================================================================== */

.projects-filters {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background-color: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: var(--transition-normal);
}

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

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

/* Search Bar */
.search-bar {
  position: relative;
  max-width: 400px;
  margin-bottom: var(--space-xs);
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 3rem;
  font-size: var(--text-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
  transition: var(--transition-normal);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--color-text-muted);
}

/* Results Counter */
.results-counter {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.results-count {
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

/* Load More Button */
.btn-load-more {
  padding: 0.875rem 2rem;
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background-color: transparent;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: var(--transition-normal);
}

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

.load-more-container {
  margin-top: var(--space-2xl);
}

/* Loading Placeholder */
.loading-placeholder {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-3xl);
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}


/* ==========================================================================
   Section Styles
   ========================================================================== */

.section {
  padding: var(--space-3xl) 0;
}

.section--large {
  padding: var(--space-4xl) 0;
}

.section__header {
  margin-bottom: var(--space-2xl);
}

.section__label {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.section__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-md);
}

.section__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 700px;
}

/* ==========================================================================
   Project Grid
   ========================================================================== */

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.project-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-secondary);
  cursor: pointer;
  opacity: 0;
  transform: translateY(40px);
  transition: transform var(--transition-slow),
              opacity var(--transition-slow),
              background-color var(--transition-normal);
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card:hover {
  background-color: var(--color-bg-tertiary);
}

.project-card__image {
  position: relative;
  width: 100%;
  padding-bottom: 66.67%; /* 3:2 Aspect Ratio */
  overflow: hidden;
  background-color: var(--color-bg-tertiary);
}

.project-card__image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slower);
}

.project-card:hover .project-card__image img {
  transform: scale(1.05);
}

.project-card__content {
  padding: var(--space-lg);
}

.project-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.project-card__meta span:not(:last-child)::after {
  content: '·';
  margin-left: var(--space-sm);
}

.project-card__title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-sm);
  transition: var(--transition-fast);
}

.project-card:hover .project-card__title {
  color: var(--color-accent);
}

.project-card__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: var(--leading-relaxed);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: var(--text-xs);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: var(--transition-normal);
}

.tag:hover {
  border-color: var(--color-text-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-xl);
  margin-top: var(--space-6xl);
}

.footer__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.footer__section {
  flex: 1;
}

.footer__title {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  font-size: var(--text-base);
  transition: var(--transition-fast);
}

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

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: var(--transition-normal);
}

.footer__social-link:hover {
  border-color: var(--color-text-primary);
  transform: translateY(-2px);
}

.footer__bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer__copyright {
  text-align: center;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.hide-mobile { 
  display: none !important; 
}

/* Scroll Reveal */
.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--transition-slow),
              transform var(--transition-slow);
}

.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   About Page Styles
   ========================================================================== */

/* About Hero */
.about-hero {
  padding: calc(80px + var(--space-3xl)) 0 var(--space-4xl);
}

.about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-hero__label {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.about-hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-xl);
}

.about-hero__text {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.about-hero__text strong {
  color: var(--color-text-primary);
}

.about-hero__image {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}


.about-hero__image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  
}


.about-hero__image {
  position: relative;
  overflow: hidden;
}

.about-hero__image img {
  transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
  will-change: opacity;
}

/* Optional: Add subtle zoom effect during transition */
.about-hero__image img[style*="opacity: 0"] {
  transform: scale(1.02);
}

/* Ensure smooth rendering */
.about-hero__image img {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  -moz-backface-visibility: hidden;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
}

.skill-category {
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background-color: var(--color-bg-secondary);
  transition: var(--transition-normal);
}

.skill-category:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

.skill-category__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

.skill-category__title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-md);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.skill-tag {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  font-size: var(--text-sm);
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}

.skill-tag:hover {
  background-color: var(--color-text-primary);
  color: var(--color-bg-primary);
}

/* Timeline */
.timeline {
  max-width: 800px;
  margin: var(--space-3xl) auto 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-left: var(--space-2xl);
  padding-bottom: var(--space-3xl);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item__marker {
  position: absolute;
  left: -6px;
  top: 4px;
  width: 14px;
  height: 14px;
  background-color: var(--color-text-primary);
  border: 2px solid var(--color-bg-primary);
  border-radius: 50%;
  z-index: 1;
}

.timeline-item__date {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.timeline-item__title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-xs);
}

.timeline-item__company {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.timeline-item__description {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.timeline-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

/* CTA Section */
.cta-section {
  padding: var(--space-4xl) 0;
}

.cta-box {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  background-color: var(--color-bg-secondary);
}

.cta-box__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-md);
}

.cta-box__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  line-height: var(--leading-relaxed);
}

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

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: var(--transition-normal);
  cursor: pointer;
  min-width: 200px;
}

.btn--primary {
  background-color: var(--color-text-primary);
  color: var(--color-bg-primary);
  border: 2px solid var(--color-text-primary);
}

.btn--primary:hover {
  background-color: transparent;
  color: var(--color-text-primary);
  transform: translateY(-2px);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--color-border);
}

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

/* ==========================================================================
   Project Detail Page Styles
   ========================================================================== */

/* Back Link */
.back-link {
  padding: calc(80px + var(--space-lg)) 0 var(--space-lg);
}

.back-link__button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
}

.back-link__button:hover {
  color: var(--color-text-primary);
  transform: translateX(-4px);
}

/* Project Hero */
.project-hero {
  padding: var(--space-2xl) 0;
}

.project-hero__meta {
  display: flex;
  gap: var(--space-md);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.project-hero__meta span:not(:last-child)::after {
  content: '·';
  margin-left: var(--space-md);
}

.project-hero__title {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-lg);
  max-width: 900px;
}

.project-hero__description {
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  max-width: 700px;
  margin-bottom: var(--space-2xl);
}

/* Project Info Grid */
.project-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-2xl);
}

.project-info-item__label {
  display: block;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.project-info-item__value {
  display: block;
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
}

/* Project Links */
.project-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.project-links .btn {
  justify-content: center;
}

.project-links .btn svg {
  margin-right: var(--space-xs);
}

/* Hero Image */
.project-hero-image {
  padding: var(--space-3xl) 0;
}

.project-hero-image__wrapper {
  position: relative;
  width: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background-color: var(--color-bg-secondary);
}

.project-hero-image__wrapper img {
  width: 100%;
  height: auto;
  display: block;
}

/* Project Content */
.project-content {
  padding: var(--space-4xl) 0;
}

.project-content__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4xl);
}

/* Content Sections */
.content-section {
  margin-bottom: var(--space-3xl);
}

.content-section__title {
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-lg);
}

.content-section__text {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.content-section__list {
  list-style: none;
  margin: var(--space-lg) 0;
}

.content-section__list li {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  position: relative;
}

.content-section__list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-text-primary);
}

/* Results Grid */
.results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.result-card {
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  background-color: var(--color-bg-secondary);
  transition: var(--transition-normal);
}

.result-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

.result-card__value {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.result-card__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

/* Sidebar */
.sidebar-section {
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background-color: var(--color-bg-secondary);
  margin-bottom: var(--space-lg);
}

.sidebar-section__title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-md);
}

.sidebar-section__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

/* Sidebar Info */
.sidebar-info__item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-info__item:last-child {
  border-bottom: none;
}

.sidebar-info__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.sidebar-info__value {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
}

/* Share Buttons */
.share-buttons {
  display: flex;
  gap: var(--space-sm);
}

.share-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
  transition: var(--transition-normal);
}

.share-button:hover {
  border-color: var(--color-text-primary);
  background-color: var(--color-text-primary);
  color: var(--color-bg-primary);
  transform: translateY(-2px);
}

/* Image Gallery */
.image-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background-color: var(--color-bg-secondary);
  transition: var(--transition-normal);
}

.gallery-item:hover {
  transform: scale(1.02);
}

.gallery-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0);
  transition: var(--transition-normal);
  pointer-events: none;
}

.gallery-item:hover::after {
  background: rgba(0, 0, 0, 0.1);
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
}

/* Lightbox */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal),
              visibility var(--transition-normal);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.95);
  cursor: pointer;
}

.lightbox__content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  z-index: 1;
}

.lightbox__image {
  max-width: 100%;
  max-height: 90vh;
  display: block;
  border-radius: var(--radius-lg);
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  color: white;
  cursor: pointer;
  transition: var(--transition-normal);
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.lightbox__close {
  top: 1rem;
  right: 1rem;
}

.lightbox__prev {
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__next {
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__counter {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.5rem 1rem;
  background-color: rgba(0, 0, 0, 0.8);
  color: white;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
}

/* Project Navigation */
.project-navigation {
  padding: var(--space-4xl) 0;
  border-top: 1px solid var(--color-border);
}

.project-nav-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.project-nav-card {
  display: block;
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background-color: var(--color-bg-secondary);
  transition: var(--transition-normal);
}

.project-nav-card:hover {
  border-color: var(--color-text-primary);
  transform: translateY(-4px);
}

.project-nav-card__label {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.project-nav-card--next .project-nav-card__label {
  justify-content: flex-end;
}

.project-nav-card__title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
}

.project-nav-card--next .project-nav-card__title {
  text-align: right;
}

/* Copy Notification Animation */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

/* ==========================================================================
   Contact Page Styles
   ========================================================================== */

/* Contact Grid */
.contact-section {
  padding: var(--space-4xl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4xl);
}

/* Contact Form */
.contact-form-container {
  order: 2;
}

.contact-form__title {
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-sm);
}

.contact-form__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
}

.contact-form {
  width: 100%;
}

/* Form Groups */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
}

.required {
  color: #EF4444;
}

/* Form Inputs */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: var(--text-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
  transition: var(--transition-normal);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
  line-height: var(--leading-relaxed);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2.5 4.5L6 8L9.5 4.5' stroke='%23666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* Error States */
.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: #EF4444;
}

.form-error {
  display: none;
  font-size: var(--text-sm);
  color: #EF4444;
  margin-top: var(--space-xs);
}

/* Character Counter */
.character-counter {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
  text-align: right;
}

/* Submit Button */
.btn--full {
  width: 100%;
  margin-top: var(--space-md);
}

.btn-loading {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
}

.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.btn.loading {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Form Messages */
.form-message {
  display: none;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  margin-top: var(--space-lg);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.form-message svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.form-message--success {
  background-color: #D1FAE5;
  color: #065F46;
  border: 1px solid #6EE7B7;
}

.form-message--error {
  background-color: #FEE2E2;
  color: #991B1B;
  border: 1px solid #FCA5A5;
}

body.dark-theme .form-message--success {
  background-color: #064E3B;
  color: #D1FAE5;
  border-color: #047857;
}

body.dark-theme .form-message--error {
  background-color: #7F1D1D;
  color: #FEE2E2;
  border-color: #DC2626;
}

/* Contact Info */
.contact-info {
  order: 1;
}

/* Info Cards */
.info-card {
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background-color: var(--color-bg-secondary);
  margin-bottom: var(--space-lg);
  transition: var(--transition-normal);
}

.info-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.info-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.info-card__title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-sm);
}

.info-card__text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

.info-card__text a {
  color: var(--color-text-primary);
  font-weight: var(--font-medium);
}

.info-card__text a:hover {
  text-decoration: underline;
}

/* Social Links */
.social-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.social-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  transition: var(--transition-fast);
}

.social-link:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}

/* Availability Badge */
.availability-badge {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  border: 1px solid #6EE7B7;
  border-radius: var(--radius-xl);
  background-color: #D1FAE5;
}

body.dark-theme .availability-badge {
  background-color: #064E3B;
  border-color: #047857;
}

.availability-badge__indicator {
  width: 12px;
  height: 12px;
  background-color: #10B981;
  border-radius: 50%;
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

.availability-badge__text {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.availability-badge__text strong {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: #065F46;
}

body.dark-theme .availability-badge__text strong {
  color: #D1FAE5;
}

.availability-badge__text span {
  font-size: var(--text-sm);
  color: #047857;
}

body.dark-theme .availability-badge__text span {
  color: #6EE7B7;
}

/* FAQ Section */
.faq-section {
  padding: var(--space-4xl) 0;
  background-color: var(--color-bg-secondary);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
  margin-top: var(--space-3xl);
}

.faq-item {
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background-color: var(--color-bg-primary);
}

.faq-item__question {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-md);
}

.faq-item__answer {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

/* Mobile Technologies Section */
.mobile-tech-section {
  display: block;
}

.mobile-tech-section .skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}