/* Projects Hub Page - Complete Self-Contained CSS */

/* Background Elements */
.background-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-behind);
  pointer-events: none;
}

.background-blur {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('/assets/images/bg_light_blur.gif') no-repeat center center;
  background-size: cover;
  background-attachment: fixed;
}

.background-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 40% 80%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
  animation: backgroundFloat 20s ease-in-out infinite;
}

.background-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: var(--bg-grid-size) var(--bg-grid-size);
  opacity: 0.5;
}

@keyframes backgroundFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-10px) rotate(1deg); }
  66% { transform: translateY(5px) rotate(-1deg); }
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-floating);
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-primary);
  transition: all var(--duration-normal) var(--ease-out);
  opacity: 1;
  transform: translateY(0);
}

.navbar.visible {
  transform: translateY(0);
  opacity: 1;
}

.navbar.scrolled {
  background: rgba(0, 0, 0, 0.95);
  box-shadow: var(--shadow-lg);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--navbar-height);
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.navbar-brand {
  display: flex;
  align-items: center;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-out);
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.brand-text {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  color: white;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  position: relative;
  overflow: hidden;
}

.brand-text::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s var(--ease-out);
}

.navbar-brand:hover .brand-text::before {
  left: 100%;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all var(--duration-normal) var(--ease-out);
}

.navbar-toggle:hover {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
  transform-origin: center;
}

.hamburger-line:not(:last-child) {
  margin-bottom: 4px;
}

.navbar-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.navbar-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}

.navbar-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.navbar-menu {
  display: flex;
  align-items: center;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.nav-section-label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-weight-semibold);
}

.nav-section--current .nav-section-label {
  color: #e67e22;
}

.nav-section--current .nav-link--current {
  color: #e67e22;
  background: rgba(230, 126, 34, 0.1);
}

.nav-section--current .nav-link--current:hover {
  color: #d35400;
  background: rgba(230, 126, 34, 0.2);
}

.nav-section--other .nav-section-label {
  color: #3498db;
}

.nav-section--other .nav-link--other {
  color: #3498db;
}

.nav-section--other .nav-link--other:hover {
  color: #2980b9;
  background: rgba(52, 152, 219, 0.1);
}

.nav-section-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  position: relative;
  padding: var(--space-sm) var(--space-lg);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) var(--ease-out);
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: currentColor;
  transition: all var(--duration-normal) var(--ease-out);
  transform: translateX(-50%);
}

.nav-link:hover::before {
  width: 80%;
}

.nav-link:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-2xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
  user-select: none;
  white-space: nowrap;
}

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn--primary {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-md);
}

.btn--primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s var(--ease-out);
}

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

.btn--primary:hover::before {
  left: 100%;
}

.btn--primary:active {
  transform: translateY(0);
}

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

.btn--outline:hover {
  background: var(--color-bg-card);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline:active {
  transform: translateY(0);
}

.btn--lg {
  padding: var(--space-xl) var(--space-3xl);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-xl);
}

.btn--md {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-base);
  border-radius: var(--radius-lg);
}

.btn--sm {
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
}

.btn--disabled {
  background: var(--color-bg-secondary);
  color: var(--color-text-muted);
  border-color: var(--color-border-secondary);
  cursor: not-allowed;
  opacity: 0.6;
}

.btn--disabled:hover {
  transform: none;
  box-shadow: none;
}

.btn-icon {
  flex-shrink: 0;
  transition: transform var(--duration-normal) var(--ease-out);
}

.btn:hover .btn-icon {
  transform: translateX(2px);
}

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

main {
  position: relative;
  z-index: var(--z-base);
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* Sections */
.section {
  padding: var(--space-6xl) 0;
  position: relative;
}

.section:first-of-type {
  padding-top: 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-text);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-lg);
  line-height: var(--line-height-tight);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 800px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
  text-align: center;
}

/* Projects Hero */
.projects-hero {
  padding: calc(var(--navbar-height) + var(--space-3xl)) 0 var(--space-4xl);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

/* Carousel */
.featured-projects {
  padding: var(--space-4xl) 0;
}

.carousel-container {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.carousel-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-2xl);
}

.carousel-track {
  display: flex;
  width: 600%;
  transition: transform 0.5s ease-out;
  transform: translateX(0%);
}

.featured-card {
  flex: 0 0 calc(100% / 6);
  width: calc(100% / 6);
  min-height: 600px;
  max-height: 70vh;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: border-color var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal) var(--ease-out);
  display: flex;
  flex-direction: column;
}

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

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(0, 0, 0, 0.8);
  border: 1px solid var(--color-border-primary);
  border-radius: 50%;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  z-index: var(--z-raised);
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-50%) scale(1.1);
}

.carousel-btn--prev {
  left: -60px;
}

.carousel-btn--next {
  right: -60px;
}

.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: none;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
}

.indicator.active {
  background: var(--color-primary);
  transform: scale(1.2);
}

.indicator:hover {
  background: var(--color-primary);
  opacity: 0.8;
}

.lucky-btn {
  position: relative;
  overflow: hidden;
}

.lucky-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s var(--ease-out);
}

.lucky-btn:hover::before {
  left: 100%;
}

/* Project Navigation */
.project-navigation {
  padding: var(--space-4xl) 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%);
}

.lucky-action {
  display: flex;
  justify-content: center;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.project-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 800px;
  margin: 0 auto;
}

.project-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  gap: var(--space-lg);
  backdrop-filter: blur(10px);
}

.project-list-item:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-border-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.project-list-item.active {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--color-primary);
}

.project-list-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.project-list-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
}

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

.tech-pill {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-text-muted);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.project-list-metrics {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-xs);
  flex-shrink: 0;
}

.metric-highlight {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

.metric-detail {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* Project Cards */
.project-content {
  padding: var(--space-2xl);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  height: 100%;
  overflow-y: auto;
}

.project-meta {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
  flex-shrink: 0;
}

.project-type {
  color: var(--color-text-accent);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.project-timeline {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.project-status {
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-status.completed {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.project-status.ongoing {
  background: rgba(6, 182, 212, 0.2);
  color: #06b6d4;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.project-status.planned {
  background: rgba(107, 114, 128, 0.2);
  color: #9ca3af;
  border: 1px solid rgba(107, 114, 128, 0.3);
}

.project-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-md);
  line-height: var(--line-height-tight);
  flex-shrink: 0;
}

.project-title a {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-out);
}

.project-title a:hover {
  color: var(--color-text-accent);
}

.business-problem {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  flex-shrink: 0;
}

.business-problem p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

.solution-summary {
  margin-bottom: var(--space-md);
  flex-shrink: 0;
}

.solution-summary p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

.project-impact {
  margin-bottom: var(--space-lg);
  flex-shrink: 0;
}

.impact-metrics {
  display: flex;
  gap: var(--space-lg);
  justify-content: space-around;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.metric {
  text-align: center;
  flex: 1;
}

.metric-value {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.metric-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.tech-stack {
  margin-bottom: var(--space-lg);
  flex-shrink: 0;
}

.tech-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-text-muted);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--duration-normal) var(--ease-out);
  margin-right: var(--space-xs);
  margin-bottom: var(--space-xs);
}

.tech-tag.primary {
  background: rgba(59, 130, 246, 0.3);
  color: var(--color-text-accent);
  border-color: rgba(59, 130, 246, 0.4);
}

.tech-tag:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-1px);
}

.project-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: auto;
  flex-wrap: wrap;
  flex-shrink: 0;
  padding-top: var(--space-md);
}

/* Footer */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-primary);
  padding: var(--space-xl) 0;
  margin-top: 0;
  position: relative;
  z-index: var(--z-raised);
}

.footer-content {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

.footer-text p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin: 0;
  line-height: var(--line-height-normal);
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
}

.footer-link {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-out);
  white-space: nowrap;
}

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

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  padding: 8px;
  text-decoration: none;
  z-index: 1000;
  border-radius: var(--radius-md);
}

.skip-link:focus {
  top: 6px;
}

/* Mobile navbar */
@media (max-width: 1023px) {
  .navbar-toggle { display: flex; }
  .navbar-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-primary);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--duration-normal) var(--ease-out);
  }
  .navbar-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .navbar-nav {
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-xl);
    width: 100%;
  }
  .nav-section {
    width: 100%;
    align-items: stretch;
    gap: var(--space-md);
  }
  .nav-section-label {
    text-align: center;
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border-secondary);
  }
  .nav-section-links {
    flex-direction: column;
    gap: var(--space-sm);
  }
  .nav-link {
    width: 100%;
    padding: var(--space-lg);
    text-align: center;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-lg);
  }
  .nav-link::before { display: none; }
  .nav-link:hover { transform: translateX(5px); }
}

/* Tablet */
@media (max-width: 1024px) {
  .featured-projects { padding: var(--space-2xl) 0; }
  .carousel-container { max-width: 100%; margin: 0; }
  .featured-card { min-height: 500px; max-height: 80vh; }
  .project-content { padding: var(--space-lg); }
  .carousel-btn { display: none; }
  .carousel-indicators { margin-top: var(--space-md); }
  .project-navigation { padding: var(--space-2xl) 0; }
  .project-list { gap: var(--space-sm); }
  .project-list-item {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-md);
    gap: var(--space-sm);
  }
  .project-list-main { width: 100%; }
  .project-list-title {
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
  }
  .project-list-tech { gap: 2px; }
  .tech-pill { font-size: 8px; padding: 1px 4px; }
  .project-list-metrics {
    align-items: flex-start;
    width: 100%;
    flex-direction: row;
    justify-content: space-between;
  }
  .metric-highlight, .metric-detail { font-size: var(--font-size-sm); }
}

/* Mobile */
@media (max-width: 768px) {
  html { overflow-x: hidden; width: 100%; }
  body { overflow-x: hidden; max-width: 100vw; width: 100%; }
  * { max-width: 100%; box-sizing: border-box; }
  .projects-hero { padding: calc(var(--navbar-height) + var(--space-2xl)) 0 var(--space-2xl); }
  .section-subtitle {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    text-align: center;
    max-width: 100%;
  }
  .carousel-container { max-width: 100%; margin: 0; overflow: hidden; }
  .carousel-wrapper { overflow: hidden; width: 100%; position: relative; }
  .carousel-track { display: flex; width: 600%; transition: transform 0.5s ease-out; }
  .featured-card {
    flex: 0 0 calc(100% / 6);
    width: calc(100% / 6);
    min-width: calc(100% / 6);
    min-height: 450px;
    max-height: none;
  }
  .project-content { padding: var(--space-md); gap: var(--space-md); }
  .project-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
  .project-title { font-size: var(--font-size-base); }
  .impact-metrics {
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-md);
  }
  .metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
  .metric-value { font-size: var(--font-size-lg); }
  .metric-label { font-size: var(--font-size-sm); margin-top: 0; }
  .project-actions { flex-direction: column; gap: var(--space-sm); }
  .carousel-indicators { margin-top: var(--space-lg); gap: var(--space-md); }
  .indicator {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.5);
  }
  .indicator.active { border-color: var(--color-primary); transform: scale(1.1); }
  .project-list-item { padding: var(--space-sm); }
  .project-list-title { font-size: var(--font-size-sm); }
  .project-list-tech { gap: 1px; }
  .tech-pill { font-size: 7px; padding: 1px 3px; }
  .project-list-metrics { gap: var(--space-xs); }
  .metric-highlight { font-size: var(--font-size-sm); }
  .metric-detail { font-size: var(--font-size-xs); }
  .footer-content {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    text-align: center;
  }
  .footer-text { align-items: center; }
  .footer-links { gap: var(--space-lg); flex-wrap: wrap; justify-content: center; }
  .container { padding: 0 var(--space-sm); }
}

/* Ultra-narrow */
@media (max-width: 320px) {
  html { overflow-x: hidden !important; width: 100% !important; font-size: 14px; max-width: 100vw; }
  body {
    min-width: 270px !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
    width: 100% !important;
    box-sizing: border-box;
  }
  *, *::before, *::after {
    max-width: 100% !important;
    box-sizing: border-box !important;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }
  .container { padding: 0 8px !important; max-width: 100% !important; overflow: hidden; width: auto; }
  .carousel-container { max-width: 100% !important; margin: 0 -8px !important; overflow: hidden !important; }
  .carousel-wrapper {
    margin: 0 8px !important;
    overflow: hidden !important;
    max-width: calc(100vw - 16px) !important;
  }
  .carousel-track { width: 600% !important; max-width: none; }
  .featured-card {
    flex: 0 0 calc(100% / 6) !important;
    width: calc(100% / 6) !important;
    min-width: calc(100% / 6) !important;
    min-height: 380px;
    border-radius: var(--radius-lg);
  }
  .projects-hero { padding: calc(var(--navbar-height) + var(--space-lg)) 0 var(--space-lg); }
  .section-title { font-size: var(--font-size-2xl); line-height: 1.2; word-break: break-word; }
  .section-subtitle { font-size: var(--font-size-sm); line-height: 1.4; word-break: break-word; }
  .featured-projects { padding: var(--space-lg) 0; }
  .project-content { padding: var(--space-sm); gap: var(--space-sm); }
  .project-title { font-size: var(--font-size-base); line-height: 1.3; word-break: break-word; }
  .business-problem, .solution-summary {
    padding: var(--space-sm);
    margin-bottom: var(--space-sm);
    border-radius: var(--radius-md);
  }
  .business-problem p, .solution-summary p {
    font-size: var(--font-size-sm);
    line-height: 1.4;
    word-break: break-word;
  }
  .impact-metrics { padding: var(--space-sm); gap: var(--space-sm); border-radius: var(--radius-md); }
  .metric { flex-direction: column; gap: 4px; text-align: center; }
  .metric-value { font-size: var(--font-size-lg); }
  .metric-label { font-size: var(--font-size-xs); }
  .tech-tag {
    font-size: var(--font-size-xs);
    padding: 2px 4px;
    margin-right: 3px;
    margin-bottom: 3px;
    border-radius: 3px;
  }
  .project-actions { gap: var(--space-sm); }
  .btn--sm { padding: var(--space-sm) var(--space-md); font-size: var(--font-size-xs); }
  .project-navigation { padding: var(--space-lg) 0; }
  .project-list { gap: var(--space-sm); margin: 0 -8px !important; max-width: none; }
  .project-list-item {
    padding: var(--space-sm);
    margin: 0 8px !important;
    border-radius: var(--radius-md);
    gap: var(--space-sm);
    max-width: calc(100vw - 16px);
  }
  .project-list-title {
    font-size: var(--font-size-sm);
    line-height: 1.3;
    word-break: break-word;
  }
  .tech-pill { font-size: 8px; padding: 2px 3px; border-radius: 2px; }
  .metric-highlight { font-size: var(--font-size-sm); }
  .metric-detail { font-size: var(--font-size-xs); }
  .carousel-indicators { margin-top: var(--space-md); gap: var(--space-sm); }
  .indicator { width: 12px; height: 12px; }
  .lucky-action { margin-top: var(--space-md); margin-bottom: var(--space-md); }
  .lucky-btn { padding: var(--space-sm) var(--space-lg); font-size: var(--font-size-sm); }
  .footer { padding: var(--space-md) 0; }
  .footer-content { flex-direction: column; gap: var(--space-sm); text-align: center; }
  .footer-text p { font-size: var(--font-size-xs); word-break: break-word; }
  .footer-links { gap: var(--space-md); flex-wrap: wrap; justify-content: center; }
  .footer-link { font-size: var(--font-size-xs); }
  .navbar-container { padding: 0 8px !important; max-width: 100%; }
  .brand-text { width: 36px; height: 36px; font-size: var(--font-size-lg); }
}

/* Desktop */
@media (min-width: 1200px) {
  .section-title { font-size: var(--font-size-5xl); }
  .featured-card { min-height: 650px; }
  .project-content { padding: var(--space-3xl); }
  .carousel-btn--prev { left: -80px; }
  .carousel-btn--next { right: -80px; }
}

/* Global structure */
html, body { height: 100%; overflow-x: hidden; }
body { display: flex; flex-direction: column; min-height: 100vh; }