:root {
  --bg:           #0b0b0a;
  --bg-2:         #111110;
  --bg-3:         #1a1a18;
  --bg-hover:     #161615;
  --text:         #f0ebe1;
  --text-dim:     #9c9890;
  --text-muted:   #5c5b57;
  --accent:       #e6f000;
  --accent-dim:   rgba(230, 240, 0, 0.12);
  --accent-glow:  rgba(230, 240, 0, 0.06);
  --green:        #22c55e;
  --border:       rgba(240, 235, 225, 0.07);
  --border-2:     rgba(240, 235, 225, 0.14);

  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'Outfit', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth:  cubic-bezier(0.4, 0, 0.2, 1);

  --container-pad: clamp(1.5rem, 5vw, 4.5rem);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
strong { font-weight: 600; color: var(--text); }

.mono  { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.09em; }
.accent { color: var(--accent); }

.noise {
  position: fixed;
  inset: -50%;
  width: 200%; height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 1;
}

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  padding: 0 var(--container-pad);
  transition: background 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(11, 11, 10, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.9rem;
  letter-spacing: 0.06em;
  line-height: 1;
  transition: opacity 0.2s;
}
.nav-logo:hover { opacity: 0.7; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-github {
  border: 1px solid var(--border-2) !important;
  padding: 0.4rem 0.9rem !important;
  color: var(--text-dim) !important;
  transition: border-color 0.2s, color 0.2s, background 0.2s !important;
}
.nav-github:hover {
  border-color: var(--accent) !important;
  color: var(--accent) !important;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.active span:first-child { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.active span:last-child  { transform: translateY(-6.5px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 1.5rem var(--container-pad) 2rem;
  gap: 0;
  background: rgba(11, 11, 10, 0.96);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s var(--ease-out), padding 0.3s;
}
.nav-mobile.open { max-height: 300px; }
.nav-mobile a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile a:hover { color: var(--text); }

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px var(--container-pad) 100px;
  position: relative;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  top: 10%;
  right: -5%;
  width: min(700px, 90vw);
  height: min(700px, 90vw);
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.2s forwards;
  color: var(--text-muted);
  width: max-content;
  text-transform: uppercase;
}
.status-dot {
  width: 7px; height: 7px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 7px var(--green);
  flex-shrink: 0;
  animation: blink 2.5s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 12.5vw, 14rem);
  line-height: 0.9;
  letter-spacing: 0.01em;
  margin-bottom: 3.5rem;
}
.hero-title .line {
  display: block;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) forwards;
}
.hero-title .line:nth-child(1) { animation-delay: 0.3s; }
.hero-title .line:nth-child(2) { animation-delay: 0.46s; }
.hero-title .line:nth-child(3) { animation-delay: 0.62s; }
.hero-title .outline {
  -webkit-text-stroke: 1px rgba(240, 235, 225, 0.28);
  color: transparent;
}

.hero-sub {
  max-width: 500px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.8s forwards;
  margin-bottom: 2.5rem;
}
.hero-role {
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: block;
}
.hero-bio {
  color: var(--text-dim);
  font-size: 1.05rem;
  line-height: 1.75;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid var(--border-2);
  padding: 0.9rem 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  width: max-content;
  transition: background 0.25s, border-color 0.25s, color 0.25s, transform 0.25s;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 1s forwards;
}
.hero-cta:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  transform: translateY(-2px);
}
.cta-arrow { transition: transform 0.3s var(--ease-out); }
.hero-cta:hover .cta-arrow { transform: translateY(4px); }

.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  right: var(--container-pad);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  color: var(--text-muted);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 1.4s forwards;
}
.hero-scroll-hint .mono { writing-mode: vertical-rl; font-size: 0.62rem; letter-spacing: 0.15em; text-transform: uppercase; }
.scroll-line {
  width: 1px;
  height: 64px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scrollPulse 2.2s var(--ease-smooth) infinite 1.8s;
}
@keyframes scrollPulse {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  50.01% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

.marquee-section {
  overflow: hidden;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 0.9rem 0;
}
.marquee-track { overflow: hidden; }
.marquee-content {
  display: flex;
  align-items: center;
  width: max-content;
  animation: marquee 32s linear infinite;
}
.marquee-content:hover { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.marquee-item {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 2.2rem;
  white-space: nowrap;
}
.marquee-sep {
  color: var(--accent);
  font-size: 0.5rem;
  opacity: 0.7;
  padding: 0;
}

.section {
  padding: clamp(5rem, 9vw, 9rem) var(--container-pad);
  border-top: 1px solid var(--border);
}
.section-header { margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.section-label {
  display: block;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6.5vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
}

.projects-list {
  display: flex;
  flex-direction: column;
}

.project-row {
  border-top: 1px solid var(--border);
  transition: background 0.2s;
  role: listitem;
}
.project-row:last-child { border-bottom: 1px solid var(--border); }

.project-row-header {
  display: grid;
  grid-template-columns: 3.5rem 1fr auto 2rem;
  align-items: center;
  gap: 1.5rem;
  padding: 1.6rem 0.75rem 1.6rem 0;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s;
  border-radius: 2px;
}
.project-row:hover .project-row-header { background: var(--bg-hover); }

.project-num {
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  padding-left: 0.75rem;
}
.project-name {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.2vw, 2.9rem);
  letter-spacing: 0.03em;
  line-height: 1;
  transition: color 0.25s;
}
.project-row:hover .project-name,
.project-row.open  .project-name { color: var(--accent); }

.project-tags {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.project-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.22rem 0.55rem;
  border-radius: 2rem;
  transition: border-color 0.2s, color 0.2s;
  white-space: nowrap;
}
.project-row:hover .project-tag,
.project-row.open  .project-tag {
  border-color: var(--border-2);
  color: var(--text-dim);
}

.project-toggle {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--text-muted);
  transition: transform 0.35s var(--ease-out), color 0.2s;
  line-height: 1;
  text-align: center;
}
.project-row.open .project-toggle {
  transform: rotate(45deg);
  color: var(--accent);
}

.project-detail {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.42s var(--ease-out);
  overflow: hidden;
}
.project-row.open .project-detail { grid-template-rows: 1fr; }

.project-detail-inner { overflow: hidden; }

.project-detail-body {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 4rem;
  padding: 2rem 0.75rem 3rem 0;
  border-top: 1px solid var(--border);
  margin-left: 0;
}

.detail-desc {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}
.detail-features-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.detail-features {
  list-style: none;
}
.detail-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.95rem;
}
.detail-features li:last-child { border-bottom: none; }
.detail-features li::before {
  content: '—';
  color: var(--accent);
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 0.05rem;
}

.detail-meta {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  gap: 1rem;
}
.detail-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.detail-tech-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.25rem 0.6rem;
  border-radius: 2rem;
}
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  border: 1px solid var(--border-2);
  padding: 0.85rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: background 0.25s, border-color 0.25s, color 0.25s, transform 0.2s;
  margin-top: auto;
}
.project-link:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  transform: translateY(-2px);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.about-text p {
  color: var(--text-dim);
  font-size: 1.1rem;
  line-height: 1.85;
  margin-bottom: 1.4rem;
}
.about-links {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
}
.about-link {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-2);
  padding-bottom: 0.2rem;
  transition: color 0.2s, border-color 0.2s;
}
.about-link:hover { color: var(--accent); border-color: var(--accent); }

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border);
  overflow: hidden;
}
.skill-item {
  padding: 1.1rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  transition: background 0.2s, color 0.2s;
}
.skill-item:nth-child(2n) { border-right: none; }
.skill-item:hover { background: var(--bg-3); color: var(--text); }

.contact-cta { }
.contact-title {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 11vw, 12rem);
  line-height: 0.9;
  letter-spacing: 0.02em;
  margin-bottom: 3.5rem;
}
.outline-text {
  -webkit-text-stroke: 1.5px var(--accent);
  color: transparent;
}
.email-btn {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: clamp(0.75rem, 1.2vw, 1rem);
  color: var(--text-dim);
  border-bottom: 1px solid var(--border-2);
  padding-bottom: 0.5rem;
  transition: color 0.25s, border-color 0.25s;
}
.email-btn:hover { color: var(--accent); border-color: var(--accent); }
.email-arrow {
  font-size: 1.1rem;
  transition: transform 0.25s var(--ease-out);
}
.email-btn:hover .email-arrow { transform: translate(4px, -4px); }

.footer {
  border-top: 1px solid var(--border);
  padding: 1.75rem var(--container-pad);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-copy { color: var(--text-muted); }
.footer-gh {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}
.footer-gh:hover { color: var(--text); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

@media (max-width: 960px) {
  .project-detail-body { grid-template-columns: 1fr; gap: 2.5rem; }
  .detail-meta { align-items: flex-start; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-mobile { display: flex; }

  .project-row-header {
    grid-template-columns: 2.8rem 1fr 1.5rem;
    gap: 1rem;
    padding: 1.4rem 0.5rem 1.4rem 0;
  }
  .project-tags { display: none; }

  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 500px) {
  .skills-grid { grid-template-columns: 1fr; }
  .skills-grid .skill-item { border-right: none; }
  .hero-scroll-hint { display: none; }
  .footer-inner { flex-direction: column; gap: 0.75rem; text-align: center; }
}