:root {
  --ink:    #171717;
  --paper:  #f4efe4;
  --white:  #fffdf8;
  --yellow: #ffd84d;
  --blue:   #8cbcff;
  --pink:   #ff9fca;
  --green:  #a9e76c;
  --purple: #b99cff;
  --orange: #ff9d57;
  --accent: #d75d35;   /* display-size fills only: 3.3:1 on paper, fails AA as small text */

  --border:      3px solid var(--ink);
  --border-thin: 2px solid var(--ink);
  --shadow:      7px 7px 0 var(--ink);
  --shadow-sm:   4px 4px 0 var(--ink);
  --radius-lg:   18px;
  --radius-md:   8px;
  --radius-pill: 999px;

  --font: 'Space Grotesk', sans-serif;
  --mono: 'DM Mono', monospace;

  --nav-h: 64px;
  --max-w: 1100px;
  --ease:  cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 17px; }
body {
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }

a:focus-visible, button:focus-visible, [data-tip]:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
}

/* ── Canvas ─────────────────────────────────────────────────── */
#bgCanvas {
  position: fixed;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.45;
}

/* ── Nav ────────────────────────────────────────────────────── */
#header {
  background: transparent;
  border-bottom: 3px solid transparent;
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background 0.3s, border-color 0.3s;
}
#header.scrolled {
  background: var(--paper);
  border-bottom-color: var(--ink);
}
nav {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 100%;
  padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
}
.nav-logo .bracket { color: var(--accent); }

.nav-links { display: flex; gap: 0.1rem; }

@media (min-width: 769px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: max(calc((100vw - var(--max-w)) / 2 + 2rem), 2rem);
    height: var(--nav-h);
    align-items: center;
    z-index: 1001;
  }
}
.nav-link {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 0.75rem;
  color: var(--ink);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 3px; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 3px;
  background: var(--ink);
  transition: width 0.25s var(--ease);
}
.nav-link:hover::after,
.nav-link.active::after { width: 70%; }

.burger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.burger span { display: block; width: 22px; height: 3px; background: var(--ink); transition: all 0.3s var(--ease); }
.burger.open span:nth-child(1) { transform: rotate(45deg) translate(5.5px, 5.5px); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5.5px, -5.5px); }

/* ── Layout ─────────────────────────────────────────────────── */
main { position: relative; z-index: 1; }

.section {
  padding: 7rem 0;
  position: relative;
}
.section-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }

.section-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 2rem; }
.section-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 1;
  white-space: nowrap;
}
.section-rule { flex: 1; height: 3px; background: var(--ink); }

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + 1rem) 2rem 10rem;
  max-width: var(--max-w);
  margin: 0 auto 250px auto;
  gap: 4rem;
  position: relative; z-index: 1;
}
.hero-content { flex: 1; }
.hero-visual { flex: 0 0 300px; display: flex; align-items: center; justify-content: center; position: relative; }

.hero-name {
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 700;
  line-height: 0.88;
  letter-spacing: -0.06em;
  margin-top: 3rem;
  margin-bottom: 1rem;
}
.hero-name-accent {
  color: var(--accent);
  -webkit-text-stroke: 2px var(--ink);
  text-shadow: 4px 4px 0 var(--yellow);
}
.hero-role {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--ink);
  margin-left: 0.5rem;
  margin-bottom: 0.5rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
/* Hero social links */
.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.hero-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  border: var(--border);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  color: var(--ink);
  /* No transform/box-shadow transition: interpolating a hard offset shadow
     against a composited translate causes subpixel jitter — snap instead */
  transition: background 150ms ease;
}
.hero-link i { color: var(--ink); font-size: 0.9rem; }
/* Oversized invisible hit area: the hover/active translate is ±2px, so
   without this the edge retreats from the cursor and hover flickers.
   will-change keeps the buttons on a compositor layer at rest, so applying
   the hover transform doesn't re-rasterize (and shift) their contents */
.hero-link, .project-link { position: relative; will-change: transform; }
.hero-link::after, .project-link::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: inherit;
}
.hero-link--primary { background: var(--yellow); }
.hero-link:hover  { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--ink); }
.hero-link:active { transform: translate(2px, 2px);   box-shadow: 1px 1px 0 var(--ink); }

.gitea-bg { fill: var(--white); }
.gitea-fg { fill: var(--ink); }

/* Avatar */
.avatar-ring {
  width: 350px; height: 350px;
  border-radius: 50%;
  position: relative;
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.avatar-placeholder {
  width: 100%; height: 100%;
  border-radius: 50%;
  overflow: hidden;
}
.avatar-placeholder img { width: 100%; height: 100%; object-fit: cover; }

/* Spin the image inside the ring, not the ring itself: the ring's hard
   offset shadow would visibly orbit if the shadowed element rotated */
.avatar-ring.spinning .avatar-placeholder { animation: avatarSpin 0.8s var(--ease); }
/* rotate is only keyed at 0%/100% so it sweeps through the scale midpoint
   without easing to a stop at 180° */
@keyframes avatarSpin {
  0%   { rotate: 0deg; scale: 1; }
  50%  { scale: 1.1; }
  100% { rotate: 360deg; scale: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .avatar-ring.spinning .avatar-placeholder { animation: none; }
}


.hero-pronouns {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink);
  margin-left: 0.5rem;
  margin-bottom: 0.75rem;
  letter-spacing: 0.06em;
}

/* ── About ──────────────────────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start; }
.about-right { display: flex; flex-direction: column; gap: 1.25rem; }
.about-text {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 1.75rem;
}
.about-text p { font-size: 0.95rem; margin-bottom: 1rem; }
.about-text p:last-child { margin-bottom: 0; }

.pepsi-card {
  background: var(--pink);
  border: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  text-align: center;
}
.pepsi-placeholder {
  height: 400px;
  border-bottom: var(--border);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.pepsi-incoming { position: absolute; inset: 0; }

/* Clickable photos shouldn't ghost-drag or get text-selected */
.avatar-placeholder img, .pepsi-placeholder img {
  -webkit-user-drag: none;
  user-select: none;
  -webkit-user-select: none;
}
.pepsi-placeholder img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.pepsi-caption {
  padding: 0.75rem 1rem;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ── Skills ─────────────────────────────────────────────────── */
.skill-card {
  background: var(--yellow);
  border: var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}
.skill-card-icon {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--white);
  border: var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink); font-size: 1.1rem;
  margin-bottom: 0.75rem;
}
.skill-card h3 { font-size: 1.05rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 1.25rem; }

/* ── Projects (list layout) ─────────────────────────────────── */
.projects-list { display: flex; flex-direction: column; gap: 2rem; }

.project-card {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.project-header {
  display: flex; align-items: flex-start; gap: 1rem;
  margin-bottom: 1.25rem;
}
.project-icon {
  width: 46px; height: 46px; flex-shrink: 0;
  border-radius: 50%;
  background: var(--blue);
  border: var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink); font-size: 1.1rem;
}
.project-title-row {
  flex: 1;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 0.5rem;
}
.project-title-row h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.03em; }

.project-ext-links { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.project-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  border: var(--border-thin);
  background: var(--white);
  color: var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transition: background 150ms ease;
}
.project-link:hover  { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--ink); background: var(--yellow); }
.project-link:active { transform: translate(2px, 2px);   box-shadow: 1px 1px 0 var(--ink); }

.project-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  background: var(--blue);
  border: var(--border-thin);
  color: var(--ink);
}

.project-body { margin-bottom: 1.25rem; }
.project-body p {
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}
.project-body p:last-child { margin-bottom: 0; }
.project-body a {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.project-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.project-tags span, .timeline-tags span {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--white);
  border: var(--border-thin);
  color: var(--ink);
  transition: background 150ms ease;
}
#projects .project-tags span:hover,
#projects .project-tags span.tip-open { background: var(--blue); }
#experience .timeline-tags span:hover,
#experience .timeline-tags span.tip-open { background: var(--green); }

/* ── Timeline / Experience ──────────────────────────────────── */
.timeline { position: relative; padding-left: 1.75rem; }
.timeline::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--ink);
}
.timeline-item { position: relative; padding-left: 2.25rem; padding-bottom: 3rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-marker {
  position: absolute; left: calc(-1.75rem - 7.5px); top: 0rem;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--green); border: 3px solid var(--ink);
}
.timeline-card {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}
.timeline-meta { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem; }
.timeline-date {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.timeline-tag {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--green);
  border: var(--border-thin);
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.75rem;
}
.timeline-role { font-size: 1.35rem; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 0.25rem; }
.timeline-company { font-size: 0.85rem; margin-bottom: 0.75rem; }
.timeline-desc { font-size: 0.95rem; margin-bottom: 1rem; }
.timeline-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* ── Education ──────────────────────────────────────────────── */
.education-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.edu-card {
  background: var(--purple);
  border: var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  display: flex; gap: 1.25rem; align-items: flex-start;
}
.edu-icon {
  width: 46px; height: 46px; flex-shrink: 0;
  border-radius: 50%;
  background: var(--white);
  border: var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink); font-size: 1.1rem;
}
.edu-body h3 { font-size: 1.05rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 0.25rem; }
.edu-school { font-weight: 700; font-size: 0.85rem; margin-bottom: 0.25rem; }
.edu-date {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.edu-desc { font-size: 0.85rem; }
.edu-links { margin-top: 0.75rem; display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  position: relative; z-index: 1;
  background: var(--ink); color: var(--white);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: center; padding: 2.5rem 2rem;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 960px) {
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-visual { display: none; }
  .hero { flex-direction: column; text-align: center; padding-top: calc(var(--nav-h) + 2rem); }
  .hero-links { justify-content: center; }
}

@media (max-width: 768px) {
  html { font-size: 14px; }
  :root {
    --shadow:    5px 5px 0 var(--ink);
    --shadow-sm: 3px 3px 0 var(--ink);
    --radius-lg: 14px;
  }
  .hero-name-accent { -webkit-text-stroke-width: 1.5px; text-shadow: 3px 3px 0 var(--yellow); }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--paper);
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    gap: 0.4rem;
    transform: translateY(-140%);
    transition: transform 0.4s var(--ease);
    border-bottom: var(--border);
    z-index: 999;
  }
  .nav-links.open {
    transform: none;
  }
  .burger { display: flex; }
  .education-grid { grid-template-columns: 1fr; }
  .project-title-row { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .section-header { flex-wrap: wrap; }
  .section-rule { display: none; }
  .timeline { padding-left: 1rem; }
  .timeline-item { padding-left: 1.5rem; }
  .timeline-marker { left: calc(-1rem - 7.5px); }
}

.skills-intro {
  font-size: 1.05rem;
  max-width: 680px;
  margin-bottom: 2rem;
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.75rem;
}

.lang-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.lang-tag {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-pill);
  background: var(--white);
  border: var(--border-thin);
  color: var(--ink);
  transition: background 150ms ease;
}

.lang-tag:hover,
.lang-tag:focus-visible,
.lang-tag.tip-open { background: var(--yellow); }

/* ── Skill pills: shared behavior (no select + tooltip anchor) ─── */
.lang-tag, .project-tags span, .timeline-tags span {
  position: relative;
  cursor: default;
  user-select: none;
  -webkit-user-select: none;
}

/* Tooltip: shows on hover, keyboard focus, or tap (script.js toggles .tip-open) */
[data-tip]:not([data-tip=""]):hover::after,
[data-tip]:not([data-tip=""]):focus-visible::after,
[data-tip]:not([data-tip=""]).tip-open::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  width: max-content;
  max-width: 220px;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  background: var(--ink);
  color: var(--white);
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: normal;
  text-transform: none;
  text-align: center;
  white-space: normal;
  z-index: 10;
  pointer-events: none;
}

/* Tooltip arrow */
[data-tip]:not([data-tip=""]):hover::before,
[data-tip]:not([data-tip=""]):focus-visible::before,
[data-tip]:not([data-tip=""]).tip-open::before {
  content: '';
  position: absolute;
  bottom: calc(100% - 3px);
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: var(--ink);
  z-index: 10;
  pointer-events: none;
}

.skills-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 600px) {
  .skills-cards { grid-template-columns: 1fr; }
}

.project-body code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: #e6e0d0;
  padding: 0.1em 0.4em;
  border-radius: var(--radius-md);
}

/* ── Reduced motion ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-link, .project-link, .lang-tag,
  .project-tags span, .timeline-tags span,
  .nav-link::after, #header { transition: none; }
}