:root {
  --bg: #080d19;
  --bg-soft: #0d1424;
  --panel: #111827;
  --panel-soft: #172033;
  --panel-strong: #1f2937;
  --text: #f9fafb;
  --muted: #9ca3af;
  --muted-strong: #d1d5db;
  --line: rgba(255, 255, 255, 0.11);
  --line-strong: rgba(255, 255, 255, 0.18);
  --accent: #f59e0b;
  --accent-strong: #fbbf24;
  --accent-soft: rgba(245, 158, 11, 0.14);
  --blue: #60a5fa;
  --blue-soft: rgba(96, 165, 250, 0.14);
  --green: #34d399;
  --green-soft: rgba(52, 211, 153, 0.13);
  --red: #f87171;
  --shadow: rgba(0, 0, 0, 0.35);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --sidebar-width: 330px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(245, 158, 11, 0.18), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(96, 165, 250, 0.14), transparent 34rem),
    linear-gradient(135deg, #080d19 0%, #0d1424 50%, #101827 100%);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

a {
  color: inherit;
}

.site-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 1.5rem;
  border-right: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(17, 24, 39, 0.96), rgba(8, 13, 25, 0.96)),
    var(--panel);
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  color: var(--text);
  text-decoration: none;
  padding: 0.75rem;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
}

.brand:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
}

.brand-mark {
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(96, 165, 250, 0.12));
  color: var(--accent-strong);
  border: 1px solid rgba(245, 158, 11, 0.38);
  font-weight: 950;
  letter-spacing: 0.08em;
}

.brand-copy h1 {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.brand-copy p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

.nav {
  display: grid;
  gap: 0.45rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 46px;
  padding: 0.75rem 0.85rem;
  color: var(--muted-strong);
  border: 1px solid transparent;
  border-radius: 15px;
  text-decoration: none;
  transition:
    background 160ms ease,
    color 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.045);
  border-color: var(--line);
  transform: translateX(2px);
}

.nav-link.active {
  color: var(--text);
  background: var(--accent-soft);
  border-color: rgba(245, 158, 11, 0.35);
}

.nav-icon {
  width: 1.25rem;
  color: var(--accent-strong);
  text-align: center;
}

.sidebar-footer {
  margin-top: auto;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.035);
}

.sidebar-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.main {
  min-width: 0;
  padding: clamp(1rem, 3vw, 2rem);
}

.topbar {
  max-width: 1180px;
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}

.eyebrow {
  margin: 0 0 0.3rem;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.topbar h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.topbar-actions {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.72rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 850;
  line-height: 1;
  cursor: pointer;
}

.button.primary {
  color: #111827;
  background: var(--accent);
  box-shadow: 0 12px 30px rgba(245, 158, 11, 0.18);
}

.button.primary:hover {
  background: var(--accent-strong);
}

.button.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
  border-color: var(--line);
}

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.085);
}

.button.ghost {
  color: var(--muted-strong);
  background: transparent;
  border-color: var(--line);
}

.button.ghost:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
}

.view-card {
  max-width: 1180px;
  min-height: 640px;
  margin: 0 auto;
  padding: clamp(1.2rem, 3vw, 2.35rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(31, 41, 55, 0.94), rgba(17, 24, 39, 0.95)),
    var(--panel);
  box-shadow: 0 24px 90px var(--shadow);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 1.25rem;
  align-items: stretch;
}

.hero-copy h3 {
  margin: 0;
  font-size: clamp(2.35rem, 7vw, 5.9rem);
  line-height: 0.88;
  letter-spacing: -0.08em;
}

.hero-title-kicker {
  display: inline-flex;
  margin-bottom: 1rem;
  color: var(--accent-strong);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.lede {
  color: var(--muted-strong);
  max-width: 78ch;
  font-size: 1.1rem;
  line-height: 1.78;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.3rem 0 0;
}

.stat-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.03));
  padding: 1.2rem;
}

.stat-list {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.stat-list li {
  display: grid;
  gap: 0.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.stat-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.stat-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.stat-value {
  color: var(--text);
  font-weight: 850;
  line-height: 1.35;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0.35rem 0.68rem;
  color: var(--muted-strong);
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.86rem;
  line-height: 1;
}

.section-title {
  margin: 0 0 0.85rem;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  letter-spacing: -0.05em;
}

.section-subtitle {
  margin: 0 0 1.35rem;
  color: var(--muted-strong);
  max-width: 86ch;
  line-height: 1.75;
  font-size: 1.02rem;
}

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

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

.card-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-card,
.project-card,
.timeline-item,
.skill-group,
.contact-card,
.resume-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.045);
}

.info-card {
  padding: 1.15rem;
}

.info-card h4,
.project-card h4,
.skill-group h4,
.resume-panel h4 {
  margin: 0 0 0.55rem;
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.info-card p,
.project-card p,
.resume-panel p {
  margin: 0;
  color: var(--muted-strong);
  line-height: 1.68;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 1rem;
  padding: 1.15rem;
}

.timeline-date {
  color: var(--accent-strong);
  font-weight: 950;
}

.timeline-body h4 {
  margin: 0 0 0.25rem;
  font-size: 1.12rem;
}

.timeline-body p {
  margin: 0.25rem 0 0;
  color: var(--muted-strong);
  line-height: 1.68;
}

.skill-groups {
  display: grid;
  gap: 1rem;
}

.skill-group {
  padding: 1.15rem;
}

.project-card {
  display: grid;
  gap: 0.85rem;
  padding: 1.15rem;
}

.project-card h4 {
  margin-bottom: 0;
  font-size: 1.25rem;
}

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

.meta-pill {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0.28rem 0.58rem;
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: 999px;
  color: var(--accent-strong);
  background: var(--accent-soft);
  font-size: 0.77rem;
  font-weight: 900;
}

.link-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.text-link {
  color: var(--blue);
  text-decoration: none;
  font-weight: 850;
}

.text-link:hover {
  text-decoration: underline;
}

.portfolio-frame-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #050816;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.035);
}

.portfolio-frame-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.85rem;
  border-bottom: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.28);
}

.portfolio-frame-toolbar p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.portfolio-frame {
  display: block;
  width: 100%;
  height: min(74vh, 820px);
  border: 0;
  background: #050816;
}

.resume-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 1rem;
  align-items: start;
}

.resume-panel {
  padding: 1.15rem;
}

.resume-panel ul {
  margin: 0.5rem 0 0;
  padding-left: 1.15rem;
  color: var(--muted-strong);
  line-height: 1.75;
}

.resume-aside {
  display: grid;
  gap: 1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.contact-card {
  display: block;
  padding: 1.15rem;
  color: var(--text);
  text-decoration: none;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    transform 160ms ease;
}

.contact-card strong {
  display: block;
  font-size: 1.05rem;
}

.contact-card span {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  line-height: 1.5;
}

.contact-card:hover {
  border-color: rgba(245, 158, 11, 0.4);
  background: rgba(245, 158, 11, 0.055);
  transform: translateY(-1px);
}

.notice {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid rgba(96, 165, 250, 0.24);
  border-radius: var(--radius-md);
  color: var(--muted-strong);
  background: var(--blue-soft);
  line-height: 1.65;
}

@media (max-width: 980px) {
  .site-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 20;
    height: auto;
    padding: 0.85rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    gap: 0.75rem;
  }

  .brand {
    padding: 0.5rem;
  }

  .brand-mark {
    width: 48px;
    height: 48px;
    border-radius: 15px;
  }

  .brand-copy h1 {
    font-size: 1.05rem;
  }

  .brand-copy p {
    font-size: 0.82rem;
  }

  .nav {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.15rem 0.2rem 0.45rem;
    scrollbar-width: thin;
  }

  .nav-link {
    flex: 0 0 auto;
    min-height: 40px;
    padding: 0.65rem 0.8rem;
    white-space: nowrap;
  }

  .nav-link:hover {
    transform: none;
  }

  .sidebar-footer {
    display: none;
  }

  .main {
    padding: 1rem;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.85rem;
  }

  .topbar-actions {
    justify-content: flex-start;
  }

  .view-card {
    min-height: 520px;
    border-radius: 22px;
  }

  .hero-grid,
  .card-grid.two,
  .card-grid.three,
  .resume-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .portfolio-frame {
    height: 72vh;
  }
}

@media (max-width: 560px) {
  .main {
    padding: 0.75rem;
  }

  .view-card {
    padding: 1rem;
    border-radius: 18px;
  }

  .hero-copy h3 {
    font-size: clamp(2.5rem, 17vw, 4.2rem);
  }

  .lede {
    font-size: 1rem;
  }

  .button {
    width: 100%;
  }

  .topbar-actions {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
  }

  .portfolio-frame-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .portfolio-frame-toolbar .button {
    width: auto;
  }
}

.brand-photo-wrap {
  width: 64px;
  height: 64px;
  flex: 0 0 auto;
  border-radius: 20px;
  padding: 3px;
  background:
    linear-gradient(135deg, rgba(245, 158, 11, 0.7), rgba(96, 165, 250, 0.35));
  border: 1px solid rgba(245, 158, 11, 0.42);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.brand-photo {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 17px;
  object-fit: cover;
  object-position: center center;
  background: #111827;
}

@media (max-width: 980px) {
  .brand-photo-wrap {
    width: 52px;
    height: 52px;
    border-radius: 17px;
    padding: 2px;
  }

  .brand-photo {
    border-radius: 15px;
  }
}

.ambient-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  opacity: 0.82;
  background: transparent;
}

.site-shell {
  position: relative;
  z-index: 1;
}

.view-card,
.sidebar,
.topbar {
  position: relative;
}

@media (prefers-reduced-motion: reduce) {
  .ambient-bg {
    opacity: 0.45;
  }
}

.timeline-bullets {
  margin: 0.8rem 0 0;
  padding-left: 1.15rem;
  color: var(--muted-strong);
  line-height: 1.68;
}

.timeline-bullets li + li {
  margin-top: 0.45rem;
}

.timeline-item-expanded .tag-row {
  margin-top: 0.95rem;
}

.resume-tech-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 0.85rem;
}

.resume-tech-grid div {
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.035);
}

.resume-tech-grid strong {
  display: block;
  color: var(--accent-strong);
  margin-bottom: 0.35rem;
}

.resume-tech-grid p {
  margin: 0;
  color: var(--muted-strong);
  line-height: 1.55;
}

.resume-download-actions {
  display: grid;
  gap: 0.7rem;
  margin-top: 1rem;
}

.resume-download-actions .button {
  width: 100%;
}

@media (max-width: 720px) {
  .resume-tech-grid {
    grid-template-columns: 1fr;
  }
}

.skill-group-expanded {
  display: grid;
  gap: 0.85rem;
}

.skill-group-header {
  display: grid;
  gap: 0.35rem;
}

.skill-group-header h4 {
  margin: 0;
}

.skill-group-header p {
  margin: 0;
  color: var(--muted-strong);
  line-height: 1.65;
}

.skill-group-expanded .tag-row {
  margin-top: 0;
}

.contact-card-with-icon {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 0.9rem;
}

.contact-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}

.contact-icon svg {
  width: 23px;
  height: 23px;
  display: block;
  fill: currentColor;
}

.github-icon {
  color: #f9fafb;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
}

.linkedin-icon {
  color: #ffffff;
  background: #0a66c2;
  border: 1px solid rgba(10, 102, 194, 0.8);
}

.contact-card-copy {
  min-width: 0;
}

.contact-panel {
  margin-top: 1rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.035));
}

.contact-panel-copy h4 {
  margin: 0 0 0.45rem;
  font-size: 1.15rem;
}

.contact-panel-copy p {
  margin: 0;
  color: var(--muted-strong);
  line-height: 1.65;
}

.email-line {
  margin-top: 0.8rem !important;
}

.email-line span {
  color: var(--muted);
  margin-right: 0.35rem;
}

.contact-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.1rem;
}

.form-row.two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.42rem;
}

.contact-form label span {
  color: var(--muted-strong);
  font-weight: 750;
  font-size: 0.92rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  color: var(--text);
  background: rgba(8, 13, 25, 0.72);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.82rem 0.9rem;
  font: inherit;
  outline: none;
}

.contact-form textarea {
  resize: vertical;
  min-height: 150px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(245, 158, 11, 0.62);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.13);
}

.contact-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (max-width: 720px) {
  .form-row.two {
    grid-template-columns: 1fr;
  }

  .contact-card-with-icon {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .contact-icon {
    width: 38px;
    height: 38px;
    border-radius: 13px;
  }

  .contact-icon svg {
    width: 21px;
    height: 21px;
  }
}

.small-button {
  min-height: 36px;
  padding: 0.58rem 0.85rem;
  font-size: 0.88rem;
}

.email-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.8rem;
}

.email-actions .email-line {
  margin: 0 !important;
}

.copy-status {
  min-height: 1.4rem;
  margin: 0.45rem 0 0;
  color: var(--green);
  font-size: 0.9rem;
  line-height: 1.4;
}






.pypi-icon {
  color: #f9fafb;
  background:
    linear-gradient(135deg, rgba(55, 118, 171, 0.95), rgba(255, 212, 59, 0.82));
  border: 1px solid rgba(255, 212, 59, 0.55);
}