:root {
  --primary: #6750A4;
  --primary-container: #EADDFF;
  --on-primary: #FFF;
  --on-primary-container: #21005D;
  --secondary: #625B71;
  --tertiary: #7D5260;
  --surface: #1C1B1F;
  --surface-variant: #49454F;
  --surface-container: #2B2930;
  --surface-container-high: #36343B;
  --on-surface: #E6E1E5;
  --on-surface-variant: #CAC4D0;
  --outline: #938F99;
  --outline-variant: #49454F;
  --elevation-1: 0 1px 2px 0 rgba(0,0,0,0.3), 0 1px 3px 1px rgba(0,0,0,0.15);
  --elevation-2: 0 1px 2px 0 rgba(0,0,0,0.3), 0 2px 6px 2px rgba(0,0,0,0.15);
  --elevation-4: 0 6px 10px 4px rgba(0,0,0,0.15), 0 2px 3px 0 rgba(0,0,0,0.3);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Google Sans', system-ui, sans-serif;
  background: var(--surface);
  color: var(--on-surface);
  overflow-x: hidden;
  line-height: 1.6;
}

.dynamic-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: linear-gradient(135deg, #1C1B1F 0%, #2D2A3A 100%);
  overflow: hidden;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 20s infinite ease-in-out;
  mix-blend-mode: screen;
}

.gradient-orb:nth-child(1) {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #6750A4 0%, transparent 70%);
  top: -200px;
  left: -200px;
  animation-duration: 25s;
}

.gradient-orb:nth-child(2) {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #625B71 0%, transparent 70%);
  bottom: -150px;
  right: -150px;
  animation-duration: 30s;
  animation-delay: -5s;
}

.gradient-orb:nth-child(3) {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #7D5260 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-duration: 35s;
  animation-delay: -10s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(100px, -50px) scale(1.1); }
  50% { transform: translate(-50px, 100px) scale(0.9); }
  75% { transform: translate(-100px, -30px) scale(1.05); }
}

.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary);
  border-radius: 50%;
  opacity: 0;
  animation: particle-float 15s infinite linear;
}

@keyframes particle-float {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  10%, 90% { opacity: 1; transform: translateY(90vh) scale(1); }
  90% { transform: translateY(10vh); }
  100% { opacity: 0; transform: translateY(0) scale(0); }
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  padding: 2rem;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

h1 {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--tertiary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 8s ease infinite;
}

@keyframes gradient-shift {
  0%, 100% { filter: hue-rotate(0deg); }
  50% { filter: hue-rotate(30deg); }
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--on-surface-variant);
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeIn 1s ease-out 0.5s forwards;
}

@keyframes fadeIn { to { opacity: 1; } }

.cta-container {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-primary, .cta-secondary {
  padding: 16px 32px;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.8s forwards;
}

.cta-primary {
  background: var(--primary);
  color: var(--on-primary);
  box-shadow: var(--elevation-2);
}

.cta-primary:hover {
  box-shadow: var(--elevation-4);
  transform: translateY(-2px) scale(1.02);
  background: #7965B2;
}

.cta-secondary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--outline-variant);
}

.cta-secondary:hover {
  background: var(--surface-container);
  border-color: var(--primary);
  transform: translateY(-2px) scale(1.02);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

.mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--primary);
  border-radius: 12px;
  position: relative;
}

.mouse::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--primary);
  border-radius: 2px;
  animation: scroll-wheel 1.5s infinite;
}

@keyframes scroll-wheel {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(10px); }
}

.projects {
  position: relative;
  z-index: 2;
  padding: 5rem 2rem;
  background: linear-gradient(180deg, transparent 0%, var(--surface-container) 100%);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  color: var(--on-surface-variant);
  font-size: 1.125rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--surface-container);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--elevation-1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  opacity: 0;
  transform: translateY(30px) scale(0.95);
  animation: card-appear 0.6s ease forwards;
  position: relative;
}

@keyframes card-appear {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--tertiary) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover::before { transform: scaleX(1); }

.project-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--elevation-4);
  background: var(--surface-container-high);
}

.project-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-bottom: 1px solid var(--outline-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-container-high);
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* crops nicely */
}


.project-content { padding: 1.5rem; }

.project-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--on-surface);
  margin-bottom: 0.5rem;
}

.project-description {
  color: var(--on-surface-variant);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  padding: 0.25rem 0.75rem;
  background: var(--surface-variant);
  color: var(--on-surface-variant);
  border-radius: 100px;
  font-size: 0.875rem;
  transition: all 0.3s ease;
}

.project-card:hover .tag {
  background: var(--primary-container);
  color: var(--on-primary-container);
}

.footer {
  position: relative;
  z-index: 1;
  padding: 3rem 2rem;
  text-align: center;
  background: var(--surface-container);
  border-top: 1px solid var(--outline-variant);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.social-link {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--surface-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--on-surface);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1.25rem;
}

.social-link:hover {
  background: var(--primary);
  color: var(--on-primary);
  transform: translateY(-4px) scale(1.1);
  box-shadow: var(--elevation-4);
}

.footer-text {
  color: var(--on-surface-variant);
  font-size: 0.875rem;
}

.footer-nimd {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, var(--tertiary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
  from { text-shadow: 0 0 10px rgba(103, 80, 164, 0.5); }
  to { text-shadow: 0 0 20px rgba(125, 82, 96, 0.8); }
}


.loader {
  position: fixed;
  inset: 0;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  animation: fadeOut 0.5s ease 1.5s forwards;
}

@keyframes fadeOut {
  to { opacity: 0; pointer-events: none; }
}

.loader-content { display: flex; gap: 0.5rem; }

.loader-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  animation: loader-bounce 1.4s ease infinite;
}

.loader-dot:nth-child(1) { animation-delay: 0s; }
.loader-dot:nth-child(2) { animation-delay: 0.2s; }
.loader-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes loader-bounce {
  0%, 80%, 100% { transform: translateY(0) scale(1); opacity: 1; }
  40% { transform: translateY(-20px) scale(1.2); opacity: 0.7; }
}

@media (max-width: 768px) {
  .project-grid { grid-template-columns: 1fr; }
  .cta-container { flex-direction: column; align-items: center; }
  .cta-primary, .cta-secondary { width: 100%; max-width: 280px; }
}