:root {
  --bg:          #0a0a0f;
  --bg-raised:   #111118;
  --bg-card:     #16161e;
  --blue:        #3b82f6;
  --blue-dim:    rgba(59, 130, 246, 0.10);
  --blue-glow:   rgba(59, 130, 246, 0.25);
  --text:        #e4e4e7;
  --text-muted:  #71717a;
  --text-dim:    #52525b;
  --border:      rgba(255, 255, 255, 0.06);
  --border-hover:rgba(59, 130, 246, 0.30);
  --radius:      12px;
  --font:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:        'JetBrains Mono', ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body  { font-family: var(--font); background: var(--bg); color: var(--text);
        line-height: 1.6; overflow-x: hidden; }
a     { text-decoration: none; color: inherit; }
ul    { list-style: none; }
img   { display: block; max-width: 100%; }

.wrap {
  width: min(1100px, 90vw);
  margin-inline: auto;
  padding-inline: 2rem;
}

.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}
.glow--1 {
  width: 520px; height: 520px;
  background: var(--blue);
  top: -220px; right: -180px;
  animation: drift 22s ease-in-out infinite;
}
.glow--2 {
  width: 420px; height: 420px;
  background: #6366f1;
  bottom: -180px; left: -120px;
  animation: drift 28s ease-in-out infinite reverse;
}
@keyframes drift {
  0%, 100% { transform: translate(0, 0); }
  33%      { transform: translate(35px, -50px); }
  66%      { transform: translate(-25px, 35px); }
}

.grain {
  position: fixed; inset: 0;
  z-index: 999; pointer-events: none;
  opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

.header {
  position: fixed; inset-inline: 0; top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(10, 10, 15, 0.78);
  border-bottom: 1px solid var(--border);
}
.nav {
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  display: flex; align-items: center; gap: 0.5rem;
  color: var(--text);
}
.nav__logo-dot {
  width: 8px; height: 8px;
  background: var(--blue);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--blue-glow);
}

.nav__links { display: flex; gap: 2rem; }
.nav__links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.3s;
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1.5px;
  background: var(--blue);
  transition: width 0.3s;
}
.nav__links a:hover,
.nav__links a.active { color: var(--text); }
.nav__links a:hover::after,
.nav__links a.active::after { width: 100%; }

.nav__cta {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--blue);
  border: 1px solid var(--border-hover);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  transition: all 0.3s;
}
.nav__cta:hover {
  background: var(--blue-dim);
  border-color: var(--blue);
}

.nav__burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 110;
}
.nav__burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

body.nav-open { overflow: hidden; }

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.hero__text { flex: 1 1 0; }
.hero__image {
  flex: 0 0 180px;
  max-width: 200px;
}
.hero__image img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.25);
  border: 2px solid var(--border);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  margin-bottom: 2rem;
  background: var(--bg-raised);
}
.hero__badge-dot {
  width: 6px; height: 6px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
  50%      { opacity: 0.7; box-shadow: 0 0 0 8px rgba(34,197,94,0); }
}

.hero__title {
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
}
.hero__line { display: block; }
.hero__line--accent { color: var(--blue); }
.hero__cursor {
  font-family: var(--mono);
  font-weight: 400;
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

.hero__actions { display: flex; gap: 1rem; }

.btn {
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
}
.btn--primary {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}
.btn--primary:hover {
  background: #2563eb;
  box-shadow: 0 0 28px var(--blue-glow);
}
.btn--ghost {
  color: var(--text-muted);
  border-color: var(--border);
  background: transparent;
}
.btn--ghost:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.14);
  background: var(--bg-raised);
}

.section {
  position: relative;
  z-index: 1;
  padding: 6rem 0;
}
.section__header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.section__num {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--blue);
}
.section__title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.about {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  align-items: start;
}
.about__heading {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.about__text {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 52ch;
}

.about__details {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.7rem 1rem;
  border-radius: 8px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  transition: border-color 0.3s, transform 0.3s;
}
.detail:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
}
.detail__label {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.detail__value {
  font-size: 0.88rem;
  color: var(--text);
}
.detail__value--green { color: #22c55e; }

.skills__group { margin-bottom: 2.5rem; }
.skills__label {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.chips { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.chip {
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
  background: var(--bg-raised);
  transition: all 0.3s;
}
.chip:hover {
  border-color: var(--border-hover);
  color: var(--blue);
  background: var(--blue-dim);
}

.carousel {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-raised);
  padding: 1.2rem 0;
}
.carousel__track {
  display: flex;
  gap: 0.5rem;
  width: max-content;
  animation: ticker 28s linear infinite;
}
.carousel__item {
  width: 100px;
  flex-shrink: 0;
  text-align: center;
  padding: 0.5rem;
  transition: transform 0.3s;
}
.carousel__item:hover { transform: translateY(-4px); }
.carousel__item img {
  width: 36px; height: 36px;
  margin: 0 auto 0.4rem;
}
.carousel__item span {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.projects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.project {
  position: relative;
  display: block;                        /* <a> is inline by default */
  border-radius: var(--radius);
  padding: 1px;                          /* the visible "border" thickness */
  background: var(--border);
  transition: background 0.5s, box-shadow 0.5s;
  color: inherit;
  text-decoration: none;
}
.project:hover {
  background: linear-gradient(135deg, var(--blue), #818cf8, var(--blue));
  background-size: 200% 200%;
  animation: grad-shift 4s ease infinite;
  box-shadow: 0 4px 40px rgba(59,130,246,0.10);
}
@keyframes grad-shift {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

.project__inner {
  background: var(--bg-card);
  border-radius: calc(var(--radius) - 1px);
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background 0.3s;
}
.project:hover .project__inner { background: #191926; }

.project__thumb {
  position: relative;
  width: 100%;
  height: 180px;
  flex-shrink: 0;
  overflow: hidden;
  background: var(--bg-raised);
}
.project__thumb img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.5s ease, opacity 0.4s;
  opacity: 0;
}
.project__thumb img[src]:not([src=""]) { opacity: 1; }
.project:hover .project__thumb img { transform: scale(1.05); }

.project__thumb::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    110deg,
    var(--bg-raised) 30%,
    var(--bg-card) 50%,
    var(--bg-raised) 70%
  );
  background-size: 200% 100%;
  animation: shimmer 1.8s ease-in-out infinite;
}
.project__thumb img[src]:not([src=""]) ~ ::before,
.project__thumb:has(img[src]:not([src=""])):before {
  opacity: 0;
  transition: opacity 0.4s;
}
@keyframes shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

.project__body {
  padding: 1.25rem 1.5rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.project__num {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--blue);
  display: block;
  margin-bottom: 0.6rem;
}
.project__name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.project__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1rem;
  flex: 1;
}
.project__tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.project__tags span {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  padding: 0.22rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: color 0.3s, border-color 0.3s;
}
.project:hover .project__tags span {
  border-color: var(--border-hover);
  color: var(--text-muted);
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.project.reveal:nth-child(2) { transition-delay: 0.12s; }
.project.reveal:nth-child(3) { transition-delay: 0.24s; }

.footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer__copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer__tag {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

@media (max-width: 900px) {
  .projects { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .wrap { padding-inline: 1.25rem; }

  .nav__burger { display: flex; }

  .nav__links {
    position: fixed;
    inset: 0;
    top: 64px;
    background: rgba(10, 10, 15, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 0.35s, transform 0.35s;
    z-index: 105;
  }
  .nav__links.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .nav__links a {
    font-size: 1.15rem;
  }

  .nav__cta {
    position: fixed;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s 0.1s, transform 0.35s 0.1s;
    z-index: 106;
    font-size: 0.9rem;
    padding: 0.6rem 1.5rem;
  }
  .nav__cta.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }

  .hero { min-height: calc(100vh - 64px); min-height: calc(100dvh - 64px); }
  .hero__content {
    flex-direction: column-reverse;
    text-align: center;
    gap: 1.5rem;
  }
  .hero__image {
    flex: 0 0 auto;
    max-width: 140px;
    margin-inline: auto;
  }
  .hero__text { flex: 1 1 auto; }
  .hero__badge { margin-inline: auto; }
  .hero__title {
    font-size: clamp(2.4rem, 11vw, 4.5rem);
  }
  .hero__subtitle {
    margin-inline: auto;
    font-size: 1rem;
  }
  .hero__actions {
    justify-content: center;
  }

  .section { padding: 4rem 0; }
  .section__header { margin-bottom: 2rem; }

  .about { grid-template-columns: 1fr; gap: 2rem; }

  .detail {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.15rem;
  }
  .detail:hover { transform: translateX(0); }

  .projects { grid-template-columns: 1fr; }
  .project__thumb { height: 200px; }
  .project__body { padding: 1rem 1.25rem 1.25rem; }

  .footer__inner { flex-direction: column; gap: 0.4rem; text-align: center; }

  .glow--1 { width: 280px; height: 280px; opacity: 0.2; filter: blur(100px); }
  .glow--2 { width: 220px; height: 220px; opacity: 0.15; filter: blur(90px); }
}

@media (max-width: 480px) {
  .wrap { padding-inline: 1rem; }
  .nav { padding-inline: 1rem; }

  .hero__title {
    font-size: clamp(2rem, 13vw, 3.2rem);
  }
  .hero__subtitle { font-size: 0.92rem; }
  .hero__image { max-width: 110px; }
  .hero__badge { font-size: 0.72rem; padding: 0.35rem 0.75rem; }

  .btn { font-size: 0.8rem; padding: 0.6rem 1.2rem; }

  .section { padding: 3rem 0; }
  .section__title { font-size: 1.35rem; }

  .about__heading { font-size: 1.1rem; }
  .about__text { font-size: 0.92rem; }

  .detail__label { font-size: 0.7rem; }
  .detail__value { font-size: 0.82rem; word-break: break-word; }

  .carousel__item { width: 80px; }
  .carousel__item img { width: 30px; height: 30px; }

  .project__thumb { height: 160px; }
  .project__body { padding: 0.85rem 1rem 1rem; }
  .project__name { font-size: 1rem; }
  .project__desc { font-size: 0.85rem; }
}