/* Hallmark · macrostructure: Marquee Hero · genre: modern-minimal ·
   theme: custom · tone: technical · anchor hue: 252 cool-blue-indigo
   nav: N5 floating-pill · footer: Ft2 inline-rule-single-line */

/* ── Background canvas ───────────────────────── */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  display: block;
  width: 100%;
  height: 100%;
}

/* Ensure all page content sits above the canvas */
.nav         { position: fixed; z-index: 200; }
.nav-mobile  { z-index: 150; }
.hero        { position: relative; z-index: 1; }
.section     { position: relative; z-index: 1; }
.education   { position: relative; z-index: 1; }
.footer      { position: relative; z-index: 1; }

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 350;
  line-height: 1.6;
  overflow-x: clip;
  min-height: 100svh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  overflow-wrap: anywhere;
  min-width: 0;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
strong { font-weight: 600; }

/* ── Layout ──────────────────────────────────── */
.container {
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.section { padding-block: var(--space-3xl); }

/* ── N5 · Floating Pill Nav ──────────────────── */
.nav {
  position: fixed;
  top: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  width: max-content;
  max-width: calc(100vw - 2rem);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  background: oklch(17% 0.012 252 / 0.88);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-pill);
  padding: 0.625rem 1.25rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav__wordmark {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-ink);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink-2);
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-out);
}

.nav__links a:hover { color: var(--color-ink); }

.nav__links a:focus-visible,
.nav__wordmark:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: 2px;
}

.nav__cta {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-out);
}

.nav__cta:hover { color: var(--color-accent-2); }

.nav__cta:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Burger — mobile only */
.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 28px;
  height: 28px;
}

.nav__burger span {
  display: block;
  height: 1.5px;
  background: var(--color-ink-2);
  border-radius: 2px;
  transition: transform var(--dur-mid) var(--ease-out),
              opacity var(--dur-mid) var(--ease-out);
}

.nav__burger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav__burger:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Mobile menu overlay */
.nav-mobile {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: var(--color-paper);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-mid) var(--ease-out);
}

.nav-mobile.is-open {
  opacity: 1;
  pointer-events: auto;
}

.nav-mobile__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.nav-mobile__links a {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-ink-2);
  letter-spacing: -0.02em;
  transition: color var(--dur-fast) var(--ease-out);
}

.nav-mobile__links a:hover { color: var(--color-ink); }

.nav-mobile__links a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
  border-radius: 2px;
}

.nav-mobile__cta {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-accent);
  margin-top: var(--space-md);
  transition: color var(--dur-fast) var(--ease-out);
}

.nav-mobile__cta:hover { color: var(--color-accent-2); }

/* ── Buttons ──────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}

.btn--primary {
  background: var(--color-ink);
  color: var(--color-paper);
  border-color: var(--color-ink);
}

.btn--primary:hover {
  background: var(--color-ink-2);
  border-color: var(--color-ink-2);
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-rule);
}

.btn--ghost:hover {
  border-color: var(--color-ink-2);
  background: var(--color-paper-2);
}

.btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.btn:active { transform: translateY(1px); }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ── Hero ────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  padding-bottom: var(--space-2xl);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: var(--space-2xl);
  align-items: center;
  width: 100%;
}

.hero__eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.hero__name {
  font-size: var(--text-display);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.0;
  color: var(--color-ink);
  margin-bottom: var(--space-lg);
}

.hero__bio {
  font-size: var(--text-md);
  color: var(--color-ink-2);
  line-height: 1.6;
  max-width: 50ch;
  margin-bottom: var(--space-lg);
  font-weight: 350;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.hero__contact-strip {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-xs);
  color: var(--color-muted);
  font-family: var(--font-mono);
  flex-wrap: wrap;
}

.hero__contact-strip a {
  color: var(--color-muted);
  transition: color var(--dur-fast) var(--ease-out);
}

.hero__contact-strip a:hover { color: var(--color-ink-2); }

.hero__contact-strip a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Terminal enrichment — no fake chrome, content only */
.terminal {
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 2;
  overflow: hidden;
}

.terminal__line {
  display: block;
  color: var(--color-ink-2);
}

.t-muted  { color: var(--color-muted); }
.t-green  { color: var(--color-success); }

.cursor-blink {
  display: inline-block;
  width: 0.5em;
  height: 1em;
  background: var(--color-accent);
  vertical-align: text-bottom;
  animation: cursor-pulse 1s step-end infinite;
}

@keyframes cursor-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ── Section label (h2 semantic heading, styled small) ── */
.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-xl);
  display: block;
}

/* ── About ───────────────────────────────────── */
.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
  gap: var(--space-2xl);
  align-items: start;
}

.about__bio p {
  color: var(--color-ink-2);
  line-height: 1.65;
  max-width: 65ch;
  font-weight: 350;
}

.about__bio p + p { margin-top: var(--space-md); }

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.stat {
  padding: var(--space-md);
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
}

.stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.1;
  margin-bottom: var(--space-xs);
  font-variant-numeric: tabular-nums;
}

.stat__label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.4;
}

/* ── Skills — table rows, not icon cards ─────── */
.skills__table { border-top: 1px solid var(--color-rule); }

.skill-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-lg);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-rule);
  align-items: start;
}

.skill-row__cat {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-top: 3px;
  flex-shrink: 0;
}

.skill-row__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.chip {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-2);
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  white-space: nowrap;
  transition: border-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}

.chip:hover {
  border-color: var(--color-accent);
  color: var(--color-ink);
}

/* ── Projects — rows with metrics, not 3-col cards ── */
.projects__list { border-top: 1px solid var(--color-rule); }

.project {
  border-bottom: 1px solid var(--color-rule);
  padding: var(--space-xl) 0;
}

.project__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
  font-variant-numeric: tabular-nums;
}

.project__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 280px);
  gap: var(--space-xl);
}

.project__title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
}

.project__desc {
  color: var(--color-ink-2);
  font-size: var(--text-base);
  line-height: 1.65;
  max-width: 62ch;
  margin-bottom: var(--space-md);
  font-weight: 350;
}

.project__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  background: oklch(68% 0.17 252 / 0.10);
  border: 1px solid oklch(68% 0.17 252 / 0.25);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
}

.project__right {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  justify-content: flex-start;
  padding-top: 2px;
}

.project__metric {
  padding: var(--space-md);
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
}

.metric__val {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1;
  margin-bottom: var(--space-xs);
  font-variant-numeric: tabular-nums;
}

.metric__label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-muted);
  line-height: 1.5;
}

.project__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
  transition: color var(--dur-fast) var(--ease-out);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  align-self: flex-start;
}

.project__link:hover { color: var(--color-accent-2); }

.project__link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ── Experience ──────────────────────────────── */
.exp { border-top: 1px solid var(--color-rule); padding-top: var(--space-xl); }

.exp__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.exp__title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.exp__subtitle {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 500;
}

.exp__date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  white-space: nowrap;
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.exp__bullets {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-left: var(--space-md);
  border-left: 2px solid var(--color-rule);
}

.exp__bullets li {
  font-size: var(--text-base);
  color: var(--color-ink-2);
  line-height: 1.65;
  font-weight: 350;
}

/* ── Education ───────────────────────────────── */
.edu { border-top: 1px solid var(--color-rule); padding-top: var(--space-xl); }

.edu__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.edu__degree {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-xs);
}

.edu__school {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 500;
}

.edu__date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  white-space: nowrap;
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

/* ── Contact ──────────────────────────────────── */
.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: var(--space-2xl);
  align-items: start;
}

.contact__heading {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin-bottom: var(--space-md);
}

.contact__subhead {
  font-size: var(--text-base);
  color: var(--color-ink-2);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
  font-weight: 350;
  max-width: 38ch;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.contact__link {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-2);
  transition: color var(--dur-fast) var(--ease-out);
}

.contact__link:hover { color: var(--color-accent); }

.contact__link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 2px;
}

.contact__loc {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.contact__socials {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.social-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  transition: color var(--dur-fast) var(--ease-out);
}

.social-link:hover { color: var(--color-accent-2); }

.social-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.field { display: flex; flex-direction: column; gap: var(--space-xs); }

.field__label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

.field__input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 350;
  outline: none;
  -webkit-appearance: none;
  transition: border-color var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}

.field__input::placeholder { color: var(--color-muted); }

.field__input:hover { border-color: var(--color-ink-2); }

.field__input:focus {
  border-color: var(--color-focus);
  background: var(--color-paper-3);
  box-shadow: 0 0 0 2px oklch(72% 0.19 252 / 0.2);
}

.field__input--textarea {
  resize: vertical;
  min-height: 120px;
}

.form-status {
  font-size: var(--text-sm);
  text-align: center;
  padding: var(--space-xs) 0;
}

.form-status--success { color: var(--color-success); }
.form-status--error   { color: var(--color-error); }

/* ── Ft2 · Inline single line footer ─────────── */
.footer {
  border-top: 1px solid var(--color-rule);
  padding-block: var(--space-xl);
}

.footer__inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer__wordmark {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-ink-2);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.footer__sep { color: var(--color-rule); font-size: var(--text-sm); }

.footer__copy {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  margin-left: auto;
}

/* ── Scroll reveal ───────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

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

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

/* ── Responsive · 768 ────────────────────────── */
@media (max-width: 768px) {
  .container { padding-inline: var(--space-md); }

  .nav__links,
  .nav__cta { display: none; }
  .nav__burger { display: flex; }

  .hero { padding-top: 72px; }

  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .hero__name {
    font-size: var(--text-display-s);
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

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

  .skill-row {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .project__body {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .project__right { flex-direction: row; flex-wrap: wrap; }

  .project__metric { flex: 1 1 140px; }

  .exp__header { flex-direction: column; gap: var(--space-sm); }

  .edu__header { flex-direction: column; gap: var(--space-sm); }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer__copy { margin-left: 0; }
}

/* ── Responsive · 480 ────────────────────────── */
@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn { justify-content: center; }

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

  .project__right { flex-direction: column; }
}