:root {
  --bg-main: #0d1117;
  --bg-1: #161b22;
  --bg-2: #21262d;
  --text-main: #c9d1d9;
  --text-dim: #8b949e;
  --text-inv: #0d1117;
  --line: #30363d;
  --brand: #58a6ff;
  --brand-2: #1f6feb;
  --brand-dim: rgba(88, 166, 255, 0.2);
  --card-bg: #161b22;
  --shadow-color: rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 30px 60px -20px var(--shadow-color);
  --shadow-md: 0 15px 30px -10px var(--shadow-color);
  --radius-lg: 16px;
  --radius-md: 10px;
  --font-sans: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --font-display: "Silkscreen", sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

main {
  position: relative;
  z-index: 2;
}

.section-shell {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.hidden-section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.165, 0.84, 0.44, 1), transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.hidden-section.visible {
  opacity: 1;
  transform: translateY(0);
}

#loader {
  position: fixed;
  inset: 0;
  background: var(--bg-main);
  display: grid;
  place-items: center;
  z-index: 9999;
  transition: opacity 0.6s ease;
}

.loader-logo {
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 4rem);
  letter-spacing: 0.2em;
  color: var(--brand);
  text-shadow: 0 0 25px var(--brand-dim), 0 0 50px rgba(0, 196, 242, 0.3);
  animation: loader-pulse 1.8s ease-in-out infinite;
}

@keyframes loader-pulse {
  0%, 100% { opacity: 0.5; transform: scale(0.98); }
  50% { opacity: 1; transform: scale(1.02); }
}

.animated-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
    background: var(--bg-main);
}

.animated-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 70% 30%, #1f6feb33, #0d1117 30%), radial-gradient(circle at 30% 80%, #58a6ff22, #0d1117 25%);
}

.animated-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.5' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    opacity: 0.02;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(160, 168, 184, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(160, 168, 184, 0.07) 1px, transparent 1px);
  background-size: 36px 36px;
  animation: grid-drift 40s linear infinite;
}

@keyframes grid-drift {
  from { transform: translate(0, 0); }
  to { transform: translate(-36px, -36px); }
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: linear-gradient(180deg, var(--bg-main) 0%, transparent 100%);
  padding-top: 1rem;
}

.header-inner {
  width: min(1200px, 92vw);
  margin: 0 auto;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  color: var(--brand);
  text-decoration: none;
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-shadow: 0 0 15px var(--brand-dim);
  transition: letter-spacing 0.3s ease;
}

.logo:hover {
  letter-spacing: 0.15em;
}

nav {
  display: flex;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  transition: color 0.2s ease;
}

nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -10px;
  width: 100%;
  height: 2px;
  background: var(--brand);
  border-radius: 999px;
  opacity: 0;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  transition: opacity 0.25s ease, transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

nav a:hover, nav a[aria-current="page"] {
  color: var(--text-main);
}

nav a[aria-current="page"]::after {
  opacity: 1;
  transform: translateX(-50%) scaleX(1);
}

nav a:hover::after {
  opacity: 1;
  transform: translateX(-50%) scaleX(1);
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1rem;
  padding-top: 80px;
}

.eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--brand-2);
  font-weight: 700;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 12vw, 7rem);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-block: 0.5rem;
}

.hero h1 span {
  color: var(--brand);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  color: var(--text-dim);
  max-width: 55ch;
}

.primary-cta {
  margin-top: 2rem;
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-inv);
  background: var(--brand);
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px -10px var(--brand-dim);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.primary-cta:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 30px -8px var(--brand-dim);
}

.projects, .socials {
  padding-block: clamp(6rem, 12vw, 9rem);
}

.section-head {
  text-align: center;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
}

.section-head p {
  margin-top: 0.8rem;
  color: var(--text-dim);
  font-size: 1.1rem;
}

.carousel-wrapper {
  position: relative;
  width: 100%;
  perspective: 1000px;
}

.carousel-viewport {
  overflow: hidden;
  width: 100%;
  mask-image: linear-gradient(to right, transparent, black 20%, black 80%, transparent);
}

.carousel-track {
  display: flex;
  align-items: center;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  transform-style: preserve-3d;
  cursor: grab;
  user-select: none;
}

.carousel-track.dragging {
  cursor: grabbing;
}

.project-card {
  flex: 0 0 50%;
  max-width: 50%;
  margin: 0 1.25%;
  position: relative;
  isolation: isolate;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 55%), var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  opacity: 0.5;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.6s, box-shadow 0.3s, border-color 0.3s;
  will-change: transform;
  contain: layout paint;
  transform: scale(0.8) translateZ(-250px);
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(88, 166, 255, 0.65), rgba(31, 111, 235, 0.25), rgba(139, 244, 255, 0.35));
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.project-card::after {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at 50% 50%, rgba(88, 166, 255, 0.16), transparent 55%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.project-card:focus-visible {
  outline: 2px solid rgba(88, 166, 255, 0.9);
  outline-offset: 6px;
}

.project-card.active {
  transform: scale(1) translateZ(0);
  opacity: 1;
  box-shadow: var(--shadow-lg);
  border-color: #58a6ff55;
}

.project-card.active::before,
.project-card:hover::before,
.project-card:focus-within::before {
  opacity: 1;
}

.project-card.active::after,
.project-card:hover::after,
.project-card:focus-within::after {
  opacity: 1;
}

.project-card:not(.active):hover {
  transform: scale(0.82) translateZ(-250px);
  border-color: #58a6ff33;
}

.project-card.active:hover {
  transform: scale(1.05) translateZ(0);
  box-shadow: 0 40px 70px -20px var(--shadow-color);
}

.project-image-wrapper {
  position: relative;
  aspect-ratio: 21 / 9;
  overflow: hidden;
  background: #000;
  border-bottom: 1px solid var(--line);
}

.project-image-wrapper::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 17, 23, 0.05) 0%, rgba(13, 17, 23, 0.55) 100%);
  opacity: 0.9;
  pointer-events: none;
}

.project-image-track {
  display: flex;
  height: 100%;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.project-image {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.project-image.image-failed {
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 30% 20%, rgba(88, 166, 255, 0.2), transparent 55%),
    linear-gradient(135deg, rgba(33, 38, 45, 0.9), rgba(13, 17, 23, 0.9));
  color: rgba(201, 209, 217, 0.8);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-image.image-failed::after {
  content: "Preview unavailable";
  font-size: 0.85rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid rgba(48, 54, 61, 0.9);
  border-radius: 999px;
  background: rgba(13, 17, 23, 0.65);
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.project-card:hover .project-image img,
.project-card:focus-within .project-image img {
  transform: scale(1.08);
}

.image-nav {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  display: flex;
  gap: 0.5rem;
  z-index: 5;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.project-card:hover .image-nav,
.project-card:focus-within .image-nav {
  opacity: 1;
  transform: translateY(0);
}

.image-nav-btn {
  background: rgba(16, 18, 24, 0.7);
  border: 1px solid var(--line);
  color: var(--text-dim);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all 0.2s;
  backdrop-filter: blur(5px);
}

.image-nav-btn:focus-visible {
  outline: 2px solid rgba(88, 166, 255, 0.9);
  outline-offset: 2px;
}

.image-nav-btn:hover {
  background: var(--bg-2);
  border-color: var(--brand-2);
  color: var(--text-main);
  transform: scale(1.1);
}

.image-nav-btn svg {
  width: 20px;
  height: 20px;
}

.project-content {
  padding: 1.5rem 1.8rem;
}

.project-content h3 {
  font-size: 1.3rem;
  margin-bottom: 0.6rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.project-content p {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
  min-height: 3.2em;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.project-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--brand-dim);
  color: var(--brand);
  padding: 0.4rem 0.8rem;
  border-radius: 99px;
  border: 1px solid rgba(88, 166, 255, 0.18);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.project-card:hover .project-tag,
.project-card:focus-within .project-tag {
  border-color: rgba(88, 166, 255, 0.35);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--brand-2);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s, gap 0.2s, transform 0.2s;
}

.project-link:hover {
  color: #8bf4ff;
  gap: 0.8rem;
  transform: translateX(2px);
}

.carousel-nav {
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(900px, 120%);
  display: flex;
  justify-content: space-between;
  pointer-events: none;
  z-index: 10;
}

.carousel-arrow {
  pointer-events: all;
  background: rgba(16, 18, 24, 0.7);
  border: 1px solid var(--line);
  color: var(--text-main);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all 0.2s;
  backdrop-filter: blur(5px);
}

.carousel-arrow:hover {
  background: var(--bg-2);
  border-color: var(--brand-2);
  transform: scale(1.1);
}

.carousel-arrow svg {
  width: 30px;
  height: 30px;
}

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

.social-links a {
  min-width: 150px;
  text-align: center;
  text-decoration: none;
  color: var(--text-dim);
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 0.8rem 1.2rem;
  transition: all 0.2s;
  font-weight: 500;
}

.social-links a:hover {
  transform: translateY(-3px);
  color: var(--text-main);
  border-color: var(--brand);
  background: linear-gradient(to right, #101218, #14161c);
  box-shadow: 0 8px 20px -5px var(--brand-dim);
}

footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  margin-top: 3rem;
}

@media (max-width: 900px) {
  .project-card {
    flex-basis: 60%;
    max-width: 60%;
  }
}

@media (max-width: 768px) {
  .project-card {
    flex-basis: 80%;
    max-width: 80%;
    margin: 0 3%;
    transform: scale(0.8) translateZ(-100px);
  }

  .carousel-nav {
    display: none;
  }
}

@media (max-width: 600px) {
  .header-inner {
    flex-direction: column;
    justify-content: center;
    gap: 0.5rem;
    padding-block: 1rem;
    min-height: auto;
  }

  nav { gap: 1.5rem; }
  
  .hero { padding-top: 120px; }
  
  .project-card {
    flex-basis: 90%;
    max-width: 90%;
    transform: scale(0.85) translateZ(0);
    opacity: 0.5;
    margin: 0 5%;
  }

  .project-card.active {
    transform: scale(1) translateZ(0);
  }

  .social-links a { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}