/* ============================================================
   ABC.XYZ — NEO-BRUTALIST PORTFOLIO
   assets/css/style.css
   Hand-crafted. Zero dependencies. Zero build step.

   TABLE OF CONTENTS
   01. Tokens (colors, type, spacing)  ← edit your palette here
   02. Reset & base
   03. Utilities (container, chips, badges, buttons)
   04. Ticker (marquee)
   05. Header & nav
   06. Hero
   07. Stats strip
   08. Sections & section heads
   09. About
   10. Experience
   11. Projects
   12. Skills
   13. Education
   14. Contact (inverse)
   15. Footer
   16. Toast
   17. Reveal animations
   18. Scrollbar / selection / focus
   19. Responsive
   20. Reduced motion
   ============================================================ */

/* ------------------------------------------------------------
   01. TOKENS
------------------------------------------------------------ */
:root {
  /* surfaces & ink */
  --bg: #F2EFE7;            /* page background (cream)        */
  --paper: #FFFDF6;         /* card fill                      */
  --ink: #101010;           /* primary text                   */
  --muted: #5A564C;         /* secondary text                 */
  --line: #101010;          /* border color                   */
  --shadow-c: #101010;      /* hard-shadow color              */
  --on-accent: #101010;     /* text placed on accent fills    */
  --dot: rgba(16, 16, 16, .13); /* background dot-grid          */

  /* accent palette — swap freely, keep them LOUD */
  --yellow: #FFD02F;
  --pink:   #FF90E8;
  --cyan:   #45D8E6;
  --purple: #B28DFF;
  --red:    #FF6B6B;
  --green:  #31D158;

  /* fixed colors for always-dark surfaces (terminal, ticker, contact) */
  --dark-ink: #F2EFE7;
  --dark-bg: #101010;

  /* geometry */
  --bw: 3px;                          /* border width            */
  --radius: 14px;
  --radius-sm: 9px;
  --sh-sm: 4px 4px 0 var(--shadow-c);
  --sh-md: 7px 7px 0 var(--shadow-c);
  --sh-lg: 12px 12px 0 var(--shadow-c);

  /* type */
  --font-display: 'Archivo Black', 'Arial Black', system-ui, sans-serif;
  --font-body: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Space Mono', ui-monospace, 'Courier New', monospace;

  /* rhythm */
  --header-h: 78px;
  --section-pad: clamp(4rem, 9vw, 7.5rem);
}

html[data-theme="dark"] {
  --bg: #121210;
  --paper: #1D1D1A;
  --ink: #F2EFE7;
  --muted: #A9A498;
  --line: #F2EFE7;
  --shadow-c: #F2EFE7;
  --dot: rgba(242, 239, 231, .10);
}

/* ------------------------------------------------------------
   02. RESET & BASE
------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--bg);
  background-image: radial-gradient(var(--dot) 1.4px, transparent 1.4px);
  background-size: 30px 30px;
  -webkit-font-smoothing: antialiased;
  transition: background-color .25s ease, color .25s ease;
}

img, svg { display: inline-block; vertical-align: middle; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400; /* Archivo Black is a single-weight face */
  text-transform: uppercase;
  line-height: 1.02;
  letter-spacing: .01em;
}

/* ------------------------------------------------------------
   03. UTILITIES
------------------------------------------------------------ */
.container {
  width: min(1180px, 100% - clamp(2rem, 8vw, 5rem));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 200;
  padding: .8rem 1.2rem;
  background: var(--yellow);
  color: var(--on-accent);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--sh-sm);
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  transition: top .15s ease;
}
.skip-link:focus { top: 1rem; }

/* small bordered label */
.chip {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .42rem .8rem;
  background: var(--paper);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--sh-sm);
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  line-height: 1.2;
}

/* black label (badges on accent surfaces) */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .4rem .75rem;
  background: var(--dark-bg);
  color: var(--dark-ink);
  border: var(--bw) solid var(--dark-bg);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  line-height: 1.2;
}

/* pulsing status square */
.pulse {
  width: .65rem; height: .65rem;
  background: var(--green);
  border: 2px solid var(--on-accent);
  border-radius: 3px;
  flex: none;
  animation: pulse 1.6s ease-in-out infinite;
}
.badge .pulse { border-color: var(--dark-ink); }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .45; transform: scale(.75); }
}

/* ---- buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  padding: 1rem 1.6rem;
  background: var(--yellow);
  color: var(--on-accent);
  border: var(--bw) solid var(--line);
  border-radius: 11px;
  box-shadow: var(--sh-md);
  font-family: var(--font-display);
  font-size: .95rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  line-height: 1;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform .12s ease, box-shadow .12s ease, background-color .12s ease;
}
.btn:hover  { transform: translate(-3px, -3px); box-shadow: 10px 10px 0 var(--shadow-c); }
.btn:active { transform: translate(4px, 4px);  box-shadow: 0 0 0 var(--shadow-c); }

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

.btn--sm { padding: .7rem 1.1rem; font-size: .8rem; border-radius: var(--radius-sm); }

/* generic card */
.card {
  background: var(--paper);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--sh-md);
}

/* icon sizing helper */
.ic { width: 1.15em; height: 1.15em; flex: none; }
.ic-s { width: 1em; height: 1em; flex: none; }

/* ------------------------------------------------------------
   04. TICKER
------------------------------------------------------------ */
.ticker {
  background: var(--dark-bg);
  color: var(--dark-ink);
  border-bottom: var(--bw) solid var(--line);
  overflow: hidden;
  white-space: nowrap;
}
.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker-scroll 30s linear infinite;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-seg { display: flex; }
.ticker-seg span {
  display: inline-flex;
  align-items: center;
  gap: 1.4rem;
  padding: .65rem 0 .65rem 1.4rem;
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.ticker-seg .sep { color: var(--yellow); }

@keyframes ticker-scroll { to { transform: translateX(-50%); } }

/* ------------------------------------------------------------
   05. HEADER & NAV
------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--bg);
  border-bottom: var(--bw) solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: var(--header-h);
}

.logo {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 1.35rem;
  text-transform: uppercase;
  letter-spacing: .01em;
  flex: none;
}
.logo-mark {
  display: inline-block;
  padding: .1em .28em .16em;
  margin-left: .3rem;
  background: var(--yellow);
  border: var(--bw) solid var(--line);
  border-radius: 8px;
  box-shadow: 3px 3px 0 var(--shadow-c);
  transform: rotate(-3deg);
  transition: transform .15s ease;
}
.logo:hover .logo-mark { transform: rotate(3deg) scale(1.05); }

.site-nav {
  display: flex;
  align-items: center;
  gap: .4rem;
}
.site-nav a {
  padding: .55rem .85rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  border: var(--bw) solid transparent;
  transition: background-color .12s ease, color .12s ease, border-color .12s ease, box-shadow .12s ease;
}
.site-nav a:hover {
  background: var(--pink);
  color: var(--on-accent);
  border-color: var(--line);
  box-shadow: 3px 3px 0 var(--shadow-c);
}
.site-nav a.active {
  background: var(--yellow);
  color: var(--on-accent);
  border-color: var(--line);
  box-shadow: 3px 3px 0 var(--shadow-c);
}
.site-nav .nav-cta { margin-left: .75rem; }

.header-actions { display: flex; align-items: center; gap: .6rem; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem .8rem;
  background: var(--paper);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--sh-sm);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  transition: transform .12s ease, box-shadow .12s ease;
}
.icon-btn:hover  { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--shadow-c); }
.icon-btn:active { transform: translate(3px, 3px);  box-shadow: 0 0 0 var(--shadow-c); }

.nav-toggle { display: none; }

/* ------------------------------------------------------------
   06. HERO
------------------------------------------------------------ */
.hero {
  padding: clamp(3.5rem, 8vw, 6.5rem) 0 clamp(3rem, 7vw, 5.5rem);
  border-bottom: var(--bw) solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.hero-status { margin-bottom: 1.6rem; }

.hero-title {
  font-size: clamp(2.9rem, 9vw, 6.8rem);
  letter-spacing: -.005em;
}
.hero-title .line { display: block; }
.hero-title .hl {
  display: inline-block;
  padding: 0 .16em;
  margin: .05em 0;
  background: var(--yellow);
  color: var(--on-accent);
  border: var(--bw) solid var(--line);
  border-radius: 12px;
  box-shadow: var(--sh-sm);
  transform: rotate(-1.5deg);
}
.caret {
  color: var(--pink);
  animation: blink 1.05s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-sub {
  max-width: 54ch;
  margin-top: 1.7rem;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--muted);
}
.hero-sub strong { color: var(--ink); }

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  margin-top: 2.2rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 2.4rem;
}

/* --- hero visual: terminal + stickers --- */
.hero-visual { position: relative; padding: 1.2rem 0 1.6rem; }

.terminal {
  background: var(--dark-bg);
  color: var(--dark-ink);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--sh-lg);
  transform: rotate(1.4deg);
  overflow: hidden;
}
.term-bar {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem 1rem;
  background: #1E1E1B;
  border-bottom: var(--bw) solid #34342F;
}
.term-dot { width: .85rem; height: .85rem; border-radius: 50%; border: 2px solid #34342F; }
.term-dot:nth-child(1) { background: var(--red); }
.term-dot:nth-child(2) { background: var(--yellow); }
.term-dot:nth-child(3) { background: var(--green); }
.term-title {
  margin-left: .6rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .05em;
  color: #8B887D;
}
.term-body {
  display: block;
  padding: 1.15rem 1.3rem 1.4rem;
  font-family: var(--font-mono);
  font-size: clamp(.74rem, 1.1vw, .86rem);
  line-height: 1.75;
  overflow-x: auto;
  white-space: pre;
}
.t-prompt { color: var(--yellow); font-weight: 700; }
.t-cmd    { color: var(--dark-ink); }
.t-out    { color: #8B887D; }
.t-ok     { color: #6FDB8F; }
.term-caret { color: var(--pink); animation: blink 1.05s steps(1) infinite; }

.sticker {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem .9rem;
  background: var(--paper);
  color: var(--ink);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--sh-sm);
  font-family: var(--font-display);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .02em;
  line-height: 1.15;
  animation: bob 5s ease-in-out infinite;
}
.sticker--yellow { background: var(--yellow); color: var(--on-accent); }
.sticker--pink   { background: var(--pink);   color: var(--on-accent); }
.sticker--cyan   { background: var(--cyan);   color: var(--on-accent); }
.sticker--purple { background: var(--purple); color: var(--on-accent); }

.sticker--tl { top: -6px; left: -8px;  transform: rotate(-7deg); }
.sticker--tr { top: 22%; right: -14px; transform: rotate(6deg);  animation-delay: .8s; }
.sticker--bl { bottom: -4px; left: 6%;  transform: rotate(4deg);  animation-delay: 1.6s; }
.sticker--br { bottom: 30%; right: -6px; transform: rotate(-5deg); animation-delay: 2.4s; }

@keyframes bob {
  0%, 100% { translate: 0 0; }
  50%      { translate: 0 -8px; }
}

/* ------------------------------------------------------------
   07. STATS STRIP
------------------------------------------------------------ */
.stats {
  border-bottom: var(--bw) solid var(--line);
  padding: clamp(2.2rem, 5vw, 3.5rem) 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--paper);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--sh-lg);
  overflow: hidden;
}
.stat {
  padding: 1.7rem 1.4rem 1.5rem;
  border-right: var(--bw) solid var(--line);
}
.stat:last-child { border-right: none; }
.stat:nth-child(1) { background: var(--yellow); }
.stat:nth-child(2) { background: var(--cyan); }
.stat:nth-child(3) { background: var(--pink); }
.stat:nth-child(4) { background: var(--purple); }
.stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  color: var(--on-accent);
  line-height: 1;
}
.stat-label {
  display: block;
  margin-top: .65rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--on-accent);
}

/* ------------------------------------------------------------
   08. SECTIONS & SECTION HEADS
------------------------------------------------------------ */
.section { padding: var(--section-pad) 0; }
.section + .section,
.hero + .section { border-top: none; }
.section--tint { background: color-mix(in srgb, var(--paper) 55%, var(--bg)); }

.section-head { margin-bottom: clamp(2.2rem, 5vw, 3.5rem); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin-bottom: 1.1rem;
  padding: .45rem .8rem;
  background: var(--dark-bg);
  color: var(--dark-ink);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--sh-sm);
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.section-title {
  font-size: clamp(2.1rem, 5.4vw, 3.8rem);
}
.section-title .hl {
  display: inline-block;
  padding: 0 .16em;
  background: var(--pink);
  color: var(--on-accent);
  border: var(--bw) solid var(--line);
  border-radius: 10px;
  box-shadow: var(--sh-sm);
  transform: rotate(-1.2deg);
}
.hl--yellow { background: var(--yellow); }
.hl--cyan   { background: var(--cyan); }

.section-lede {
  max-width: 62ch;
  margin-top: 1.1rem;
  color: var(--muted);
  font-size: 1.08rem;
}

/* ------------------------------------------------------------
   09. ABOUT
------------------------------------------------------------ */
.about-grid {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: clamp(1.8rem, 4vw, 3rem);
  align-items: start;
}
.about-copy p { margin-bottom: 1.15rem; }
.about-copy p:last-child { margin-bottom: 0; }
.about-copy strong { background: var(--yellow); padding: 0 .2em; border-radius: 4px; }
.about-copy em { font-style: normal; box-shadow: inset 0 -0.55em var(--cyan); }

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 2.2rem;
}
.principle {
  padding: 1.2rem 1.25rem 1.35rem;
  background: var(--paper);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--sh-sm);
}
.principle:nth-child(1) { transform: rotate(-.6deg); }
.principle:nth-child(2) { transform: rotate(.7deg); }
.principle:nth-child(3) { transform: rotate(-.5deg); }
.principle h3 {
  font-size: .95rem;
  margin-bottom: .55rem;
}
.principle:nth-child(1) h3 { color: var(--ink); background: var(--cyan); display: inline-block; padding: .05em .3em; border-radius: 6px; }
.principle:nth-child(2) h3 { color: var(--ink); background: var(--pink); display: inline-block; padding: .05em .3em; border-radius: 6px; }
.principle:nth-child(3) h3 { color: var(--ink); background: var(--yellow); display: inline-block; padding: .05em .3em; border-radius: 6px; }
.principle p { font-size: .92rem; color: var(--muted); }

.side-stack { display: grid; gap: 1.6rem; }
.now-card { padding: 0; overflow: hidden; }
.now-head {
  padding: .85rem 1.25rem;
  background: var(--yellow);
  color: var(--on-accent);
  border-bottom: var(--bw) solid var(--line);
  font-family: var(--font-display);
  font-size: .95rem;
  text-transform: uppercase;
}
.now-body { padding: 1.25rem; }
.now-row {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: .4rem .9rem;
  padding: .55rem 0;
  border-bottom: 2px dashed color-mix(in srgb, var(--line) 35%, transparent);
  font-size: .93rem;
}
.now-row:last-child { border-bottom: none; padding-bottom: 0; }
.now-key {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  padding-top: .18rem;
}

/* ------------------------------------------------------------
   10. EXPERIENCE
------------------------------------------------------------ */
.xp-card { padding: 0; overflow: hidden; }
.xp-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .9rem 1.2rem;
  padding: 1.3rem 1.6rem;
  background: var(--cyan);
  color: var(--on-accent);
  border-bottom: var(--bw) solid var(--line);
}
.xp-role { font-size: clamp(1.15rem, 2.4vw, 1.7rem); }
.xp-head .spacer { flex: 1; }
.xp-body { padding: 1.6rem 1.6rem 1.7rem; }
.ticks li {
  position: relative;
  padding-left: 1.7rem;
  margin-bottom: .8rem;
  color: var(--ink);
}
.ticks li::before {
  content: "▸";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--pink);
  -webkit-text-stroke: 1px var(--line);
  font-weight: 700;
}
.ticks li:last-child { margin-bottom: 0; }
.ticks strong { background: var(--yellow); padding: 0 .18em; border-radius: 4px; }

.stack-row {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.4rem;
  padding-top: 1.3rem;
  border-top: 2px dashed color-mix(in srgb, var(--line) 35%, transparent);
}

.ghost-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.6rem;
  padding: 1.4rem 1.6rem;
  border: var(--bw) dashed var(--line);
  border-radius: var(--radius);
  background: transparent;
}
.ghost-card p {
  font-family: var(--font-mono);
  font-size: .88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* ------------------------------------------------------------
   11. PROJECTS
------------------------------------------------------------ */
.project-card { margin-bottom: 2.2rem; overflow: hidden; }
.project-card:last-child { margin-bottom: 0; }

.project-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .9rem 1.2rem;
  padding: 1.2rem 1.6rem;
  background: var(--accent, var(--yellow));
  color: var(--on-accent);
  border-bottom: var(--bw) solid var(--line);
}
.project-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.4rem; height: 3.4rem;
  background: var(--dark-bg);
  color: var(--dark-ink);
  border: var(--bw) solid var(--dark-bg);
  border-radius: var(--radius-sm);
  box-shadow: 3px 3px 0 rgba(16,16,16,.35);
  font-family: var(--font-display);
  font-size: 1.25rem;
  transform: rotate(-4deg);
  flex: none;
}
.project-title { font-size: clamp(1.2rem, 2.6vw, 1.85rem); }
.project-head .spacer { flex: 1; }

.project-body {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 1.8rem;
  padding: 1.6rem;
}
.project-blurb { font-size: 1.05rem; margin-bottom: 1.1rem; }
.project-main .ticks { margin-bottom: 1.5rem; }

.project-link {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .65rem 1rem;
  background: var(--ink);
  color: var(--bg);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--sh-sm);
  font-family: var(--font-display);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  transition: transform .12s ease, box-shadow .12s ease;
}
.project-link:hover  { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--shadow-c); }
.project-link:active { transform: translate(3px, 3px);  box-shadow: 0 0 0 var(--shadow-c); }

.project-side h4 {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted);
  margin-bottom: .7rem;
}
.project-side .tag-cloud { margin-bottom: 1.4rem; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: .55rem; }
.tag {
  padding: .38rem .7rem;
  background: var(--bg);
  color: var(--ink);
  border: 2px solid var(--line);
  border-radius: 7px;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  line-height: 1.3;
  transition: background-color .12s ease, color .12s ease, transform .12s ease;
}
.tag:hover { background: var(--ink); color: var(--bg); transform: rotate(-2deg); }

.metrics { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.metric {
  padding: .7rem .75rem .8rem;
  background: var(--bg);
  border: 2px solid var(--line);
  border-radius: 7px;
}
.metric b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.15;
}
.metric span {
  display: block;
  margin-top: .25rem;
  font-family: var(--font-mono);
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--muted);
}

/* ------------------------------------------------------------
   12. SKILLS
------------------------------------------------------------ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.6rem;
}
.skill-block { overflow: hidden; }
.skill-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.4rem;
  background: var(--accent, var(--yellow));
  color: var(--on-accent);
  border-bottom: var(--bw) solid var(--line);
}
.skill-head h3 { font-size: 1.05rem; }
.skill-count {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  padding: .25rem .55rem;
  background: var(--dark-bg);
  color: var(--dark-ink);
  border-radius: 6px;
}
.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  padding: 1.3rem 1.4rem 1.5rem;
}

/* ------------------------------------------------------------
   13. EDUCATION
------------------------------------------------------------ */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
}
.edu-card { overflow: hidden; display: flex; flex-direction: column; }
.edu-head {
  padding: 1.1rem 1.5rem;
  background: var(--accent, var(--yellow));
  color: var(--on-accent);
  border-bottom: var(--bw) solid var(--line);
}
.edu-school { font-size: clamp(1.05rem, 2vw, 1.4rem); }
.edu-body { padding: 1.4rem 1.5rem 1.5rem; display: flex; flex-direction: column; gap: 1rem; flex: 1; }
.edu-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .8rem;
  justify-content: space-between;
}
.edu-degree { font-weight: 700; font-size: 1rem; }
.edu-score {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem .8rem;
  background: var(--yellow);
  color: var(--on-accent);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: 3px 3px 0 var(--shadow-c);
  font-family: var(--font-display);
  font-size: .95rem;
  transform: rotate(2deg);
}

/* ------------------------------------------------------------
   14. CONTACT (inverse / always dark)
------------------------------------------------------------ */
.contact {
  background: var(--dark-bg);
  color: var(--dark-ink);
  border-block: var(--bw) solid var(--line);
  background-image: radial-gradient(rgba(242, 239, 231, .09) 1.4px, transparent 1.4px);
  background-size: 30px 30px;
  padding: var(--section-pad) 0;
}
.contact .eyebrow {
  background: var(--yellow);
  color: var(--on-accent);
  border-color: var(--dark-ink);
  box-shadow: 4px 4px 0 rgba(242, 239, 231, .9);
}
.contact-title {
  font-size: clamp(2.6rem, 8vw, 5.6rem);
  color: var(--dark-ink);
}
.contact-title .accent { color: var(--yellow); }
.contact-sub {
  max-width: 56ch;
  margin-top: 1.3rem;
  color: #B9B5A9;
  font-size: 1.1rem;
}
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  margin-top: 2.4rem;
}
.contact .btn {
  border-color: var(--dark-ink);
  box-shadow: 7px 7px 0 rgba(242, 239, 231, .9);
}
.contact .btn:hover  { box-shadow: 10px 10px 0 rgba(242, 239, 231, .9); }
.contact .btn:active { box-shadow: 0 0 0 rgba(242, 239, 231, .9); }
.contact .btn--ghost-inv {
  background: transparent;
  color: var(--dark-ink);
  border: var(--bw) solid var(--dark-ink);
}
.contact .btn--ghost-inv:hover { background: var(--pink); color: var(--on-accent); border-color: var(--dark-ink); }

.social-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 3rem;
}
.social-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.3rem;
  background: transparent;
  color: var(--dark-ink);
  border: var(--bw) solid var(--dark-ink);
  border-radius: var(--radius-sm);
  box-shadow: 5px 5px 0 rgba(242, 239, 231, .9);
  font-family: var(--font-display);
  font-size: .92rem;
  text-transform: uppercase;
  transition: transform .12s ease, box-shadow .12s ease, background-color .12s ease, color .12s ease;
}
.social-card .ic { width: 1.5rem; height: 1.5rem; }
.social-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 rgba(242, 239, 231, .9);
}
.social-card:nth-child(1):hover { background: var(--yellow); color: var(--on-accent); }
.social-card:nth-child(2):hover { background: var(--cyan);   color: var(--on-accent); }
.social-card:nth-child(3):hover { background: var(--pink);   color: var(--on-accent); }

/* ------------------------------------------------------------
   15. FOOTER
------------------------------------------------------------ */
.site-footer { padding: 1.6rem 0; }
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.footer-inner p {
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
}
.to-top {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1rem;
  background: var(--paper);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--sh-sm);
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  transition: transform .12s ease, box-shadow .12s ease;
}
.to-top:hover  { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--shadow-c); }
.to-top:active { transform: translate(3px, 3px);  box-shadow: 0 0 0 var(--shadow-c); }

/* ------------------------------------------------------------
   16. TOAST
------------------------------------------------------------ */
.toast {
  position: fixed;
  left: 50%;
  bottom: 1.6rem;
  z-index: 120;
  transform: translate(-50%, 140%);
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .9rem 1.3rem;
  background: var(--yellow);
  color: var(--on-accent);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--sh-md);
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  transition: transform .3s cubic-bezier(.2, .9, .3, 1.15);
  pointer-events: none;
}
.toast.is-visible { transform: translate(-50%, 0); }

/* ------------------------------------------------------------
   17. REVEAL ANIMATIONS
------------------------------------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .55s ease, transform .55s cubic-bezier(.2, .7, .3, 1.15);
}
.reveal.is-visible { opacity: 1; transform: none; }
.d1 { transition-delay: .08s; }
.d2 { transition-delay: .16s; }
.d3 { transition-delay: .24s; }

/* ------------------------------------------------------------
   18. SCROLLBAR / SELECTION / FOCUS
------------------------------------------------------------ */
::selection { background: var(--yellow); color: #101010; }

::-webkit-scrollbar { width: 14px; }
::-webkit-scrollbar-track { background: var(--bg); border-left: 3px solid var(--line); }
::-webkit-scrollbar-thumb { background: var(--ink); border: 3px solid var(--bg); border-radius: 8px; }
html { scrollbar-color: var(--ink) var(--bg); scrollbar-width: auto; }

:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }

/* ------------------------------------------------------------
   19. RESPONSIVE
------------------------------------------------------------ */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 560px; }
  .about-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: .55rem;
    padding: 1.2rem clamp(1rem, 4vw, 2.5rem) 1.6rem;
    background: var(--bg);
    border-bottom: var(--bw) solid var(--line);
    box-shadow: var(--sh-md);
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: .9rem 1rem; font-size: .95rem; border-color: var(--line); background: var(--paper); }
  .site-nav .nav-cta { margin-left: 0; }
  .site-nav .nav-cta.btn { display: flex; }

  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2n) { border-right: none; }
  .stat:nth-child(-n+2) { border-bottom: var(--bw) solid var(--line); }
  .stat:nth-child(4) { border-right: none; }

  .principles { grid-template-columns: 1fr; }
  .project-body { grid-template-columns: 1fr; }
  .skills-grid, .edu-grid { grid-template-columns: 1fr; }
  .social-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .hero-ctas .btn { width: 100%; }
  .contact-actions .btn { width: 100%; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .sticker--br { display: none; }
  .ghost-card { flex-direction: column; align-items: flex-start; }
}

/* ------------------------------------------------------------
   20. REDUCED MOTION
------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  .ticker-track { animation: none; }
}