:root {
  --accent: #2d6a4f;
  --accent-light: #40916c;
  --accent-dark: #1b4332;
  --accent-glow: rgba(45,106,79,0.15);
  --bg: #0a0a0a;
  --surface: #161616;
  --glass-bg: rgba(255,255,255,0.03);
  --glass-border: rgba(255,255,255,0.08);
  --transition-smooth: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  cursor: none;
}

::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

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

#loading-screen {
  transition: opacity 0.5s var(--transition-smooth), visibility 0.5s;
}
.loading-logo {
  animation: pulse-glow 2s infinite, scale-pulse 2s infinite;
}
.loading-bar {
  animation: loading-bar 1.5s ease-out forwards;
}
body.loaded #loading-screen {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

#custom-cursor {
  transition: transform 0.15s ease, background-color 0.15s ease;
  z-index: 9999;
  pointer-events: none;
  transform: translate(-50%, -50%);
}
#cursor-glow {
  transition: transform 0.1s ease, width 0.2s ease, height 0.2s ease;
  z-index: 9998;
  pointer-events: none;
  transform: translate(-50%, -50%);
}
body.cursor-hover #custom-cursor {
  transform: translate(-50%, -50%) scale(3);
  mix-blend-mode: difference;
  background-color: white;
}
@media (hover: none) {
  body { cursor: auto; }
  #custom-cursor, #cursor-glow { display: none; }
}

#scroll-progress {
  box-shadow: 0 0 10px var(--accent-glow);
  transition: width 0.1s linear;
}

#navbar {
  transition: all 0.4s var(--transition-smooth);
}
#navbar.scrolled {
  background-color: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-link {
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  height: 2px;
  width: 0;
  background-color: var(--accent);
  transition: width 0.3s var(--transition-smooth);
}
.nav-link.active::after, .nav-link:hover::after {
  width: 100%;
}

.btn-primary {
  background-color: var(--accent);
  color: white;
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--transition-smooth);
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0) 100%);
  transform: skewX(-20deg);
  transition: all 0.5s ease;
}
.btn-primary:hover::before {
  animation: shine 1.5s ease-out forwards;
}
.btn-primary:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 20px var(--accent-glow);
}
.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  transition: all 0.3s var(--transition-smooth);
}
.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-ghost {
  color: rgba(255, 255, 255, 0.7);
  transition: all 0.3s var(--transition-smooth);
}
.btn-ghost:hover {
  color: white;
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  border-radius: 1.5rem;
  padding: 2rem;
  transition: all 0.4s var(--transition-smooth);
}
.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.tilt-card {
  transform-style: preserve-3d;
  perspective: 1000px;
  transition: transform 0.1s ease;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.floating-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.1;
  animation: float linear infinite;
  z-index: 0;
}
.hero-word {
  display: block;
  overflow: hidden;
}
.hero-word span {
  display: block;
}
.scroll-indicator {
  animation: bounce 2s infinite;
}

.marquee-track {
  display: flex;
  animation: marquee 30s linear infinite;
  width: max-content;
}

.portfolio-grid {
  column-count: 3;
  column-gap: 1.5rem;
}
.portfolio-item {
  break-inside: avoid;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
}
.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  opacity: 0;
  transition: opacity 0.4s var(--transition-smooth);
}
.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}
.portfolio-item .portfolio-img {
  transition: transform 0.6s var(--transition-smooth);
}
.portfolio-item:hover .portfolio-img {
  transform: scale(1.05);
}
.filter-btn {
  padding: 0.5rem 1.5rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s var(--transition-smooth);
}
.filter-btn.active {
  background-color: var(--accent);
  border-color: var(--accent);
  color: white;
}
.filter-btn:hover:not(.active) {
  border-color: rgba(255, 255, 255, 0.3);
}

#lightbox {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--transition-smooth);
}
#lightbox.active {
  opacity: 1;
  pointer-events: auto;
}
#lightbox-content {
  transform: scale(0.9);
  transition: transform 0.4s var(--transition-smooth);
}
#lightbox.active #lightbox-content {
  transform: scale(1);
}

.timeline {
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: rgba(255, 255, 255, 0.1);
}
.timeline-item {
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: 2.5rem;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background-color: var(--bg);
  z-index: 1;
}
.timeline-year {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.875rem;
}
@media (min-width: 1024px) {
  .timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }
  .timeline-item {
    width: 50%;
    padding-left: 0;
    margin-bottom: 3rem;
  }
  .timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 2.5rem;
    text-align: right;
  }
  .timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 2.5rem;
  }
  .timeline-item:nth-child(odd)::before {
    left: auto;
    right: -6px;
  }
  .timeline-item:nth-child(even)::before {
    left: -6px;
  }
}

.progress-bar {
  width: 0;
  height: 100%;
  background-color: var(--accent);
  border-radius: 9999px;
  transition: width 1.5s var(--transition-smooth);
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-join {
  position: relative;
  padding: 2rem 4rem;
  border-radius: 2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  overflow: visible;
  box-shadow: 0 0 40px var(--accent-glow), 0 0 80px var(--accent-glow);
  animation: pulse-glow 2s infinite;
  transition: all 0.3s var(--transition-smooth);
  z-index: 10;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.btn-join:hover {
  transform: scale(1.05);
}
.btn-join:active {
  transform: scale(0.95);
}
.join-ring {
  position: absolute;
  inset: 0;
  border-radius: 2rem;
  border: 2px solid var(--accent);
  animation: ripple-ring 3s cubic-bezier(0.16, 1, 0.3, 1) infinite;
  pointer-events: none;
}
.join-ring:nth-child(2) { animation-delay: 1s; }
.join-ring:nth-child(3) { animation-delay: 2s; }

.ai-card .tags span {
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  background-color: rgba(45, 106, 79, 0.1);
  color: var(--accent);
  font-size: 0.75rem;
}
.ai-card .icon-wrapper {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background-color: rgba(45, 106, 79, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.ai-card.special {
  border: 1px dashed rgba(45, 106, 79, 0.3);
}
.ai-card.special:hover {
  border-color: rgba(45, 106, 79, 0.6);
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}
.social-link {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--glass-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s var(--transition-smooth);
}
.social-link:hover {
  background-color: var(--accent);
  color: white;
  transform: scale(1.1);
}

.text-gradient {
  background: linear-gradient(to right, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
#back-to-top {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s var(--transition-smooth);
}
#back-to-top:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.section-separator {
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.1), transparent);
  margin: 0;
}

.reveal-up { opacity: 0; transform: translateY(40px); }
.reveal-left { opacity: 0; transform: translateX(-40px); }
.reveal-right { opacity: 0; transform: translateX(40px); }
.reveal-scale { opacity: 0; transform: scale(0.9); }

@keyframes float { 0%, 100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-20px) rotate(5deg); } }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
@keyframes pulse-glow { 0%, 100% { box-shadow: 0 0 30px var(--accent-glow); } 50% { box-shadow: 0 0 60px var(--accent-glow), 0 0 120px rgba(45, 106, 79, 0.1); } }
@keyframes ripple-ring { 0% { transform: scale(1); opacity: 0.4; } 100% { transform: scale(2.5); opacity: 0; } }
@keyframes shine { 0% { left: -100%; } 100% { left: 200%; } }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(8px); } }
@keyframes loading-bar { 0% { width: 0; } 100% { width: 100%; } }
@keyframes scale-pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.1); } }

@media (max-width: 1024px) { .portfolio-grid { column-count: 2; } }
@media (max-width: 768px) {
  .portfolio-grid { column-count: 1; }
  .btn-join { padding: 1.5rem 3rem; font-size: 1.25rem; }
  body { cursor: auto; }
  #custom-cursor, #cursor-glow { display: none !important; }
}

/* Mobile Menu */
#mobile-menu.active {
  opacity: 1;
  pointer-events: auto;
}

#mobile-menu-btn.active span:first-child {
  transform: rotate(45deg) translate(5px, 5px);
}
#mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}
#mobile-menu-btn.active span:last-child {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Photo Carousel */
.photo-carousel {
  position: relative;
}
.carousel-track {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 1rem 0;
}
.carousel-track::-webkit-scrollbar {
  display: none;
}
.carousel-card {
  min-width: 280px;
  height: 200px;
  border-radius: 1rem;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.05);
  transition: transform 0.4s var(--transition-smooth), border-color 0.3s;
}
.carousel-card:hover {
  transform: scale(1.03);
  border-color: rgba(255,255,255,0.15);
}
.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  z-index: 2;
}
.carousel-nav:hover {
  background: var(--accent);
  border-color: var(--accent);
}
.carousel-prev { left: -1rem; }
.carousel-next { right: -1rem; }

/* Footer logo */
.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
}


/* Mobile Menu Staggered Animation */
#mobile-menu.active .nav-link,
#mobile-menu.active .btn-join,
#mobile-menu.active .flex.gap-4 {
    animation: fadeUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
}

#mobile-menu.active .nav-link:nth-child(1) { animation-delay: 0.10s; }
#mobile-menu.active .nav-link:nth-child(2) { animation-delay: 0.15s; }
#mobile-menu.active .nav-link:nth-child(3) { animation-delay: 0.20s; }
#mobile-menu.active .nav-link:nth-child(4) { animation-delay: 0.25s; }
#mobile-menu.active .nav-link:nth-child(5) { animation-delay: 0.30s; }
#mobile-menu.active .btn-join { animation-delay: 0.40s; }
#mobile-menu.active .flex.gap-4 { animation-delay: 0.50s; }

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* Mobile Swipe Cards Scrollbar Hiding */
.hide-scrollbar::-webkit-scrollbar {
    display: none;
}
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* Touch Leaf Burst Effect */
.leaf-burst {
    position: absolute;
    pointer-events: none;
    border-radius: 50% 0 50% 0; /* Leaf shape */
    background: rgba(45, 106, 79, 0.8);
    box-shadow: 0 0 10px rgba(45,106,79,0.5);
    z-index: 9999;
}

.card-stack-container { perspective: 1000px; }
.stacked-card { transform-origin: bottom center; will-change: transform, opacity; }