:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --surface-raised: #171720;
  --surface-hover: #1e1e2a;
  --text-primary: #f0f1f7;
  --text-secondary: #b8bac8;
  --text-muted: #77798a;
  --accent: #9f7aea;
  --accent-strong: #c4a3f7;
  --accent-soft: rgba(159, 122, 234, 0.12);
  --accent-glow: rgba(159, 122, 234, 0.18);
  --border: rgba(255, 255, 255, 0.075);
  --border-hover: rgba(255, 255, 255, 0.14);
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --max-width: 980px;
  --transition-fast: 0.18s ease;
  --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-primary);
  background:
    radial-gradient(circle at top left, rgba(159, 122, 234, 0.14), transparent 32rem),
    radial-gradient(circle at bottom right, rgba(0, 231, 255, 0.06), transparent 28rem),
    var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  display: flex;
  justify-content: center;
  padding: clamp(1rem, 3vw, 2.5rem);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

.page-shell {
  width: min(100%, var(--max-width));
  display: flex;
  flex-direction: column;
  gap: clamp(3.5rem, 8vw, 6.5rem);
}

main {
  display: flex;
  flex-direction: column;
  gap: clamp(3.5rem, 8vw, 6.5rem);
}

h1,
h2,
h3 {
  color: var(--text-primary);
  letter-spacing: -0.035em;
  line-height: 1.15;
}

h2 {
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  font-weight: 650;
}

h3 {
  font-size: 1.08rem;
  font-weight: 620;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

::selection {
  color: #0a0a0f;
  background: var(--accent-strong);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.35rem 0;
}

.nav-brand {
  font-weight: 700;
  letter-spacing: -0.04em;
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  flex-wrap: wrap;
}

.nav-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--accent-strong);
}

.section-block {
  scroll-margin-top: 2rem;
}

.hero {
  display: grid;
  gap: 1.35rem;
  padding-top: clamp(1rem, 5vw, 3rem);
}

.hero-overline,
.section-label,
.tag,
.meta-label,
.stack-heading,
.learning-number {
  font-family: "JetBrains Mono", "Fira Code", monospace;
}

.hero-overline {
  color: var(--accent-strong);
  font-size: 0.78rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.45rem, 8vw, 5.35rem);
  font-weight: 700;
  max-width: 920px;
}

.accent-text {
  color: var(--accent-strong);
}

.hero-description {
  max-width: 650px;
  color: var(--text-secondary);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 0.3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.75rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.94rem;
  font-weight: 600;
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), background var(--transition-smooth), color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  color: #0a0a0f;
  background: var(--accent-strong);
  box-shadow: 0 12px 28px var(--accent-glow);
}

.btn-ghost {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--accent);
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.section {
  display: grid;
  gap: 1.6rem;
}

.section-heading {
  display: grid;
  gap: 0.65rem;
  max-width: 720px;
}

.section-label {
  width: max-content;
  font-size: 0.72rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--border);
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.018));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.24);
}

.soft-card {
  background: rgba(255, 255, 255, 0.025);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.8fr);
  gap: 1.25rem;
  align-items: stretch;
}

.about-content {
  padding: clamp(1.3rem, 3vw, 2rem);
  display: grid;
  gap: 1rem;
  color: var(--text-secondary);
}

.about-meta {
  padding: clamp(1.2rem, 3vw, 1.65rem);
  display: grid;
  gap: 1.2rem;
  background: var(--surface-raised);
}

.meta-item {
  display: grid;
  gap: 0.18rem;
}

.meta-label {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.meta-value {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-areas:
    "nexcache parasite"
    "portfolio portfolio";
  gap: 1.2rem;
}

.project-card {
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 1.65rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), background var(--transition-smooth), box-shadow var(--transition-smooth);
}

.project-card:nth-child(1) {
  grid-area: nexcache;
}

.project-card:nth-child(2) {
  grid-area: parasite;
}

.project-card-wide {
  grid-area: portfolio;
}

.project-card:hover,
.project-card:focus-within,
.stack-category:hover,
.learning-card:hover,
.contact-card:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.045);
  transform: translateY(-2px);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.project-icon {
  width: 2.6rem;
  height: 2.6rem;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.project-tags {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  color: var(--accent-strong);
  background: var(--accent-soft);
  border: 1px solid rgba(159, 122, 234, 0.16);
  border-radius: 999px;
  padding: 0.25rem 0.62rem;
  font-size: 0.67rem;
  white-space: nowrap;
}

.project-description {
  color: var(--text-secondary);
  font-size: 0.94rem;
}

.project-details {
  display: grid;
  gap: 0.35rem;
  color: var(--text-muted);
  font-size: 0.86rem;
  margin-top: 0.1rem;
}

.project-details li {
  position: relative;
  padding-left: 1rem;
}

.project-details li::before {
  content: "-";
  position: absolute;
  left: 0;
  color: var(--accent-strong);
}

.project-link {
  width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--accent-strong);
  font-weight: 650;
  font-size: 0.91rem;
  margin-top: auto;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.project-link:hover,
.project-link:focus-visible {
  gap: 0.7rem;
  color: #d7c4ff;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.stack-category {
  padding: 1.25rem;
  background: var(--surface-raised);
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), background var(--transition-smooth);
}

.stack-heading {
  color: var(--accent-strong);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.8rem;
}

.stack-list {
  display: grid;
  gap: 0.48rem;
}

.stack-list li {
  color: var(--text-secondary);
  font-size: 0.88rem;
  padding-left: 0.9rem;
  position: relative;
}

.stack-list li::before {
  content: "";
  width: 0.32rem;
  height: 0.32rem;
  border-radius: 999px;
  background: currentColor;
  top: 0.6em;
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

.learning-grid {
  display: grid;
  gap: 1rem;
}

.learning-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: clamp(1.2rem, 3vw, 1.55rem);
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), background var(--transition-smooth);
}

.learning-number {
  color: var(--accent-strong);
  opacity: 0.78;
}

.learning-card p {
  color: var(--text-secondary);
  margin-top: 0.35rem;
  font-size: 0.93rem;
}

.contact-card {
  padding: clamp(1.35rem, 4vw, 2rem);
  display: grid;
  gap: 1.4rem;
  background: var(--surface-raised);
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), background var(--transition-smooth);
}

.contact-text {
  color: var(--text-secondary);
  max-width: 680px;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.4rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.contact-link:hover,
.contact-link:focus-visible {
  color: var(--accent-strong);
}

.email-link {
  color: var(--accent-strong);
}

.footer {
  text-align: center;
}

.footer-line {
  height: 1px;
  background: var(--border);
  margin-bottom: 1.2rem;
}

.footer-text {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.62s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.62s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 860px) {
  .page-shell,
  main {
    gap: 4.25rem;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

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

  .projects-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "nexcache"
      "parasite"
      "portfolio";
  }

  .stack-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  body {
    padding: 1rem;
  }

  .nav-links {
    gap: 0.65rem 1rem;
  }

  .nav-link {
    font-size: 0.86rem;
  }

  .hero-title {
    font-size: clamp(2.25rem, 12vw, 3.2rem);
  }

  .hero-actions,
  .btn {
    width: 100%;
  }

  .stack-grid {
    grid-template-columns: 1fr;
  }

  .project-header {
    flex-direction: column;
  }

  .project-tags {
    justify-content: flex-start;
  }

  .learning-card {
    grid-template-columns: 1fr;
  }

  .contact-links,
  .contact-link {
    width: 100%;
  }

  .contact-link {
    overflow-wrap: anywhere;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}


.icon-svg {
  width: 1.15em;
  height: 1.15em;
  display: inline-block;
  flex: 0 0 auto;
}

.link-icon {
  width: 1em;
  height: 1em;
  display: inline-block;
  flex: 0 0 auto;
  transition: transform var(--transition-fast);
}

.project-link:hover .link-icon,
.project-link:focus-visible .link-icon {
  transform: translateX(0.12rem);
}