/* =============================================================
   José María López Pacheco — portfolio
   Dark editorial · black + electric blue · static ambient glow
   1. Tokens
   ============================================================= */
:root {
  --bg:        #01030a;
  --bg-2:      #05080f;
  --bg-3:      #090e18;
  --ink:       #f2f5fa;
  --mute:      #98a4b8;
  --dim:       #5f6b7e;
  --accent:        #4d8bff;   /* text-level accent — readable on black */
  --accent-strong: #1358ff;   /* fills, buttons */
  --accent-dk:     #0b3bc4;
  --grad-1:    #0b4de8;
  --grad-2:    #1f7bff;
  --grad-3:    #2418c8;
  --line:      rgba(242, 245, 250, 0.10);
  --line-2:    rgba(242, 245, 250, 0.055);

  /* Apple's system typeface: SF Pro on Apple devices, Inter elsewhere (closest match) */
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
             "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --sans:    -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
             "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono:    ui-monospace, "SF Mono", SFMono-Regular, "JetBrains Mono", Menlo, monospace;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --nav-h: 72px;
  --pad: clamp(1.25rem, 5vw, 4.5rem);
  --maxw: 1240px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }

html {
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
  background: var(--bg);
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
img { height: auto; }
ul, ol { list-style: none; padding: 0; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3 { text-wrap: balance; line-height: 1.02; font-weight: 600; letter-spacing: -0.035em; }
::selection { background: var(--accent-strong); color: #ffffff; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 3px; }

.skip-link {
  position: fixed; top: -120px; left: 1rem; z-index: 9999;
  padding: .7rem 1.1rem; background: var(--accent-strong); color: #ffffff;
  border-radius: 8px; font-weight: 500;
}
.skip-link:focus { top: 1rem; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }
.mono { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; }

/* =============================================================
   3. Ambient layers — the signature effect
   ============================================================= */
.gradient-field {
  position: fixed; inset: -20%; z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle 46vw at 20% 10%, rgba(11, 77, 232, .34) 0%, transparent 62%),
    radial-gradient(circle 54vw at 80% 30%, rgba(31, 123, 255, .26) 0%, transparent 60%),
    radial-gradient(circle 44vw at 45% 76%, rgba(36, 24, 200, .24) 0%, transparent 62%);
  filter: blur(70px) saturate(140%);
  opacity: .62;
  transform: translateZ(0);
}

.grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  opacity: .05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  background-size: 200px 200px;
}

main, .nav, .footer, .nav-mobile { position: relative; z-index: 2; }

/* =============================================================
   4. Cursor
   ============================================================= */
.cursor {
  position: fixed; top: 0; left: 0; z-index: 9998;
  pointer-events: none; display: none;
  mix-blend-mode: difference;
  opacity: 0; transition: opacity .3s var(--ease-out);
}
.cursor.is-ready { opacity: 1; }
@media (hover: hover) and (pointer: fine) { .cursor { display: block; } }
.cursor-dot, .cursor-ring { position: fixed; top: 0; left: 0; pointer-events: none; will-change: transform; }
.cursor-dot { width: 5px; height: 5px; margin: -2.5px; background: #fff; border-radius: 50%; }
.cursor-ring {
  width: 30px; height: 30px; margin: -15px;
  border: 1px solid rgba(255,255,255,.7); border-radius: 50%;
  transition: width .35s var(--ease-out), height .35s var(--ease-out), margin .35s var(--ease-out), border-color .35s;
}
.cursor.is-interactive .cursor-ring { width: 54px; height: 54px; margin: -27px; border-color: #fff; }
.has-cursor, .has-cursor a, .has-cursor button { cursor: none; }

/* =============================================================
   5. Scroll progress
   ============================================================= */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 300;
  background: rgba(242,245,250,.05); pointer-events: none;
}
.scroll-progress span {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--grad-2));
  transform-origin: 0 0; transform: scaleX(0);
}

/* =============================================================
   6. Navigation
   ============================================================= */
.nav {
  position: fixed; top: 0; inset-inline: 0; z-index: 200;
  height: var(--nav-h);
  transition: background-color .45s var(--ease-out), backdrop-filter .45s var(--ease-out), border-color .45s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(1, 3, 10, .78);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border-bottom-color: var(--line-2);
}
.nav-inner {
  height: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad);
  display: flex; align-items: center; gap: 1.5rem;
}
.nav-brand { display: flex; align-items: center; gap: .7rem; margin-right: auto; }
.nav-mark {
  display: grid; place-items: center; width: 32px; height: 32px;
  border: 1px solid var(--line); border-radius: 8px;
  font-family: var(--mono); font-size: .68rem; letter-spacing: .04em;
  color: var(--accent);
  transition: border-color .4s var(--ease-out), box-shadow .4s var(--ease-out);
}
.nav-brand:hover .nav-mark { border-color: var(--accent); box-shadow: 0 0 24px -6px var(--accent); }
.nav-brand-text { font-size: .9rem; letter-spacing: -.01em; color: var(--ink); }

.nav-links { display: none; gap: 1.9rem; }
@media (min-width: 960px) { .nav-links { display: flex; } }
.nav-link {
  position: relative; font-size: .82rem; color: var(--mute);
  padding: .3rem 0; transition: color .35s var(--ease-out);
}
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px;
  background: var(--accent);
  transform: scaleX(0); transform-origin: right;
  transition: transform .45s var(--ease-out);
}
.nav-link:hover { color: var(--ink); }
.nav-link:hover::after, .nav-link.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav-link.is-active { color: var(--ink); }

.nav-actions { display: flex; align-items: center; gap: .75rem; }
.nav-cv { display: none; }
@media (min-width: 720px) { .nav-cv { display: inline-flex; } }

.nav-burger {
  width: 40px; height: 40px; display: grid; place-content: center; gap: 6px;
  border: 1px solid var(--line); border-radius: 10px;
}
@media (min-width: 960px) { .nav-burger { display: none; } }
.nav-burger span {
  display: block; width: 16px; height: 1.5px; background: var(--ink);
  transition: transform .4s var(--ease-out), opacity .3s;
}
.nav-burger[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:last-child  { transform: translateY(-3.75px) rotate(-45deg); }

.nav-mobile {
  position: fixed; inset: 0; z-index: 150;
  background: rgba(1, 3, 10, .98);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  display: flex; flex-direction: column; justify-content: center; gap: 2.5rem;
  padding: var(--nav-h) var(--pad) 3rem;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .65s var(--ease-soft);
}
.nav-mobile[aria-hidden="false"] { clip-path: inset(0); }
.nav-mobile ul { display: flex; flex-direction: column; gap: .35rem; }
.nav-mobile ul a {
  display: flex; align-items: baseline; gap: 1rem;
  font-family: var(--display); font-weight: 600; letter-spacing: -.035em;
  font-size: clamp(1.9rem, 8vw, 2.7rem); line-height: 1.3;
  border-bottom: 1px solid var(--line-2); padding-block: .35rem;
}
.nav-mobile ul a em { font-family: var(--mono); font-size: .7rem; font-style: normal; color: var(--accent); letter-spacing: .14em; }
.nav-mobile-cv {
  align-self: flex-start;
  font-family: var(--mono); font-size: .75rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent);
  border: 1px solid rgba(77, 139, 255, .35); border-radius: 100px;
  padding: .8rem 1.4rem;
}

/* =============================================================
   7. Buttons
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .78rem 1.35rem; border-radius: 100px;
  font-size: .84rem; font-weight: 400; letter-spacing: .01em;
  border: 1px solid var(--line);
  transition: transform .45s var(--ease-soft), background-color .4s var(--ease-out),
              border-color .4s var(--ease-out), box-shadow .5s var(--ease-soft), color .35s;
}
.btn svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(-1px); transition-duration: .12s; }

.btn-primary {
  background: var(--accent-strong); color: #fff; border-color: var(--accent-strong); font-weight: 500;
}
.btn-primary:hover { box-shadow: 0 18px 46px -14px rgba(77, 139, 255, .65); background: #3d7bff; }

.btn-ghost { color: var(--ink); background: rgba(242,245,250,.02); }
.btn-ghost:hover { border-color: rgba(77, 139, 255,.55); color: var(--accent); background: rgba(77, 139, 255,.05); }

.btn-lg { padding: 1rem 1.9rem; font-size: .9rem; }

/* =============================================================
   8. Hero
   ============================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding-top: calc(var(--nav-h) + 2.5rem); padding-bottom: clamp(3rem, 7vw, 5rem);
}
.hero-grid { display: grid; gap: clamp(2.5rem, 6vw, 4rem); align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.15fr .85fr; } }

.kicker {
  display: inline-flex; align-items: flex-start; gap: .6rem;
  font-family: var(--mono); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--mute); margin-bottom: 1.6rem;
}
.kicker-dot {
  flex: none; margin-top: .42em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 0 rgba(77, 139, 255,.6); animation: pulse 2.6s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(77, 139, 255,.55); }
  70%  { box-shadow: 0 0 0 10px rgba(77, 139, 255,0); }
  100% { box-shadow: 0 0 0 0 rgba(77, 139, 255,0); }
}

.hero-title {
  font-family: var(--display);
  font-size: clamp(2.7rem, 6.9vw, 5.1rem);
  font-weight: 600;
  line-height: 1.03;
  letter-spacing: -0.042em;
  max-width: 17ch;
  margin-bottom: 1.6rem;
}
.hero-title em {
  font-style: normal;
  color: var(--accent);
  text-shadow: 0 0 70px rgba(77, 139, 255, .45);
}

.hero-sub {
  max-width: 54ch; color: var(--mute); font-size: clamp(.92rem, 1.05vw, 1rem);
  line-height: 1.75; margin-bottom: 2.3rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-bottom: 2.6rem; }

.hero-tags { display: flex; flex-wrap: wrap; gap: .45rem 1.2rem; }
.hero-tags li {
  position: relative; font-family: var(--mono); font-size: .68rem;
  letter-spacing: .1em; text-transform: uppercase; color: var(--dim);
}
.hero-tags li + li::before {
  content: ""; position: absolute; left: -.62rem; top: 50%;
  width: 2px; height: 2px; border-radius: 50%; background: var(--dim);
}

/* portrait */
.hero-portrait { position: relative; justify-self: center; width: min(74%, 300px); }
@media (min-width: 960px) { .hero-portrait { width: min(100%, 380px); } }
.portrait-halo {
  position: absolute; inset: -18% -12% -8%;
  background: radial-gradient(50% 45% at 50% 42%, rgba(77, 139, 255,.34), transparent 70%);
  filter: blur(50px);
}
.portrait-ring {
  position: absolute; left: 50%; top: 46%; transform: translate(-50%,-50%);
  width: 108%; aspect-ratio: 1; border-radius: 50%;
  border: 1px solid rgba(77, 139, 255,.22);
  mask-image: linear-gradient(180deg, #000 55%, transparent 88%);
  -webkit-mask-image: linear-gradient(180deg, #000 55%, transparent 88%);
}
.hero-portrait img {
  position: relative;
  width: 100%;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, .55));
  animation: float 9s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}
.hero-portrait figcaption {
  position: relative;
  display: flex; justify-content: space-between; gap: 1rem;
  margin-top: -.5rem; padding-top: 1rem;
  border-top: 1px solid var(--line-2); color: var(--dim);
}

/* =============================================================
   9. Metrics
   ============================================================= */
.metrics { padding-block: clamp(3rem, 7vw, 5rem); border-block: 1px solid var(--line-2); }
.metrics-grid { display: grid; gap: 2.5rem; }
@media (min-width: 640px)  { .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 2.5rem 3rem; } }
@media (min-width: 1024px) { .metrics-grid { grid-template-columns: repeat(4, 1fr); } }

.metric { display: flex; flex-direction: column; gap: .7rem; }
.metric-value {
  font-family: var(--display); font-size: clamp(2.8rem, 5.4vw, 4rem); line-height: .92;
  font-weight: 600; letter-spacing: -.045em; color: var(--ink);
  display: flex; align-items: baseline;
}
.metric-value i { font-style: normal; color: var(--accent); font-size: .58em; }
.metric-label { font-size: .86rem; color: var(--mute); line-height: 1.6; max-width: 30ch; }

/* =============================================================
   10. Sections
   ============================================================= */
.section { padding-block: clamp(5rem, 12vw, 9.5rem); }
.section-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-num { color: var(--accent); margin-bottom: 1.1rem; }
.section-title {
  font-family: var(--display);
  font-size: clamp(1.95rem, 4.7vw, 3.3rem);
  font-weight: 600; letter-spacing: -.04em; line-height: 1.05; max-width: 20ch;
}
.section-note { margin-top: 1rem; color: var(--dim); font-size: .88rem; max-width: 56ch; }

/* profile */
.profile-grid { display: grid; gap: clamp(2.5rem, 5vw, 4.5rem); }
@media (min-width: 1024px) { .profile-grid { grid-template-columns: 1fr 1fr; align-items: start; } }
.profile-lead p { color: var(--mute); margin-bottom: 1.4rem; max-width: 58ch; }
.profile-lead .lead { color: var(--ink); font-size: clamp(1.06rem, 1.6vw, 1.25rem); line-height: 1.65; font-weight: 300; }

.pillars { display: grid; gap: 1px; background: var(--line-2); border-block: 1px solid var(--line-2); }
.pillar { position: relative; background: var(--bg); padding: 1.7rem 0 1.7rem 2.6rem; }
.pillar-num {
  position: absolute; left: 0; top: 1.95rem;
  color: var(--accent); font-size: .68rem;
}
.pillar h3 { font-size: 1.06rem; font-weight: 500; letter-spacing: -.01em; margin-bottom: .55rem; font-family: var(--sans); }
.pillar p { font-size: .89rem; color: var(--mute); max-width: 46ch; }

/* =============================================================
   11. Experience list
   ============================================================= */
.exp-list { border-top: 1px solid var(--line-2); }
.exp-row { border-bottom: 1px solid var(--line-2); transition: background-color .5s var(--ease-out); }
.exp-row.is-open { background: linear-gradient(90deg, rgba(77, 139, 255,.045), transparent 60%); }

.exp-head {
  width: 100%; display: grid; align-items: baseline; gap: .35rem 1.6rem;
  grid-template-columns: 1fr auto;
  padding: 1.65rem 0; text-align: left;
}
@media (min-width: 720px) { .exp-head { grid-template-columns: 160px 1fr auto; align-items: center; gap: 2rem; } }

.exp-years { color: var(--dim); transition: color .4s var(--ease-out); grid-column: 1 / -1; }
@media (min-width: 720px) { .exp-years { grid-column: auto; } }
.exp-row.is-open .exp-years, .exp-head:hover .exp-years { color: var(--accent); }

.exp-title { display: flex; flex-wrap: wrap; align-items: baseline; gap: .55rem; }
.exp-title strong {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem); letter-spacing: -.035em; line-height: 1.18;
  transition: color .4s var(--ease-out);
}
.exp-head:hover .exp-title strong { color: var(--accent); }
.exp-sep { color: var(--dim); }
.exp-org { color: var(--mute); font-size: .92rem; }

.exp-icon {
  position: relative; width: 34px; height: 34px; flex: none;
  border: 1px solid var(--line); border-radius: 50%;
  transition: border-color .4s var(--ease-out), transform .5s var(--ease-soft), background-color .4s;
  justify-self: end;
}
.exp-icon::before, .exp-icon::after {
  content: ""; position: absolute; left: 50%; top: 50%; background: currentColor;
  transform: translate(-50%, -50%); transition: transform .45s var(--ease-out), opacity .3s;
}
.exp-icon::before { width: 11px; height: 1px; }
.exp-icon::after  { width: 1px; height: 11px; }
.exp-head:hover .exp-icon { border-color: var(--accent); color: var(--accent); }
.exp-row.is-open .exp-icon { border-color: var(--accent); color: var(--accent); background: rgba(77, 139, 255,.08); }
.exp-row.is-open .exp-icon::after { transform: translate(-50%,-50%) scaleY(0); opacity: 0; }

.exp-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .6s var(--ease-soft); }
.exp-row.is-open .exp-body { grid-template-rows: 1fr; }
.exp-body-inner { overflow: hidden; opacity: 0; transition: opacity .45s var(--ease-out) .06s; }
.exp-row.is-open .exp-body-inner { opacity: 1; }
.exp-body-inner > *:first-child { padding-top: .2rem; }
.exp-body-inner > *:last-child { margin-bottom: 1.9rem; }
.exp-body-inner p { color: var(--mute); font-size: .93rem; max-width: 70ch; margin-bottom: 1rem; }
@media (min-width: 720px) { .exp-body-inner { padding-left: 180px; } }

/* tags */
.tags { display: flex; flex-wrap: wrap; gap: .45rem; }
.tags li {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--mute); padding: .34rem .68rem;
  border: 1px solid var(--line-2); border-radius: 100px;
  background: rgba(242,245,250,.018);
  transition: border-color .35s var(--ease-out), color .35s var(--ease-out), background-color .35s;
}
.tags li:hover { border-color: rgba(77, 139, 255,.4); color: var(--ink); }
.tags-lg li { font-size: .72rem; padding: .45rem .9rem; }
.tags li.is-key { color: var(--accent); border-color: rgba(77, 139, 255,.32); background: rgba(77, 139, 255,.06); }

/* =============================================================
   12. Stack
   ============================================================= */
.stack-grid { display: grid; gap: 1rem; }
@media (min-width: 720px)  { .stack-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .stack-grid { grid-template-columns: repeat(3, 1fr); } }
.stack-card-wide { grid-column: 1 / -1; }

.stack-card {
  padding: clamp(1.4rem, 2.4vw, 1.9rem);
  border: 1px solid var(--line-2); border-radius: 16px;
  background: linear-gradient(180deg, rgba(242,245,250,.028), rgba(242,245,250,.008));
  transition: border-color .5s var(--ease-out), transform .5s var(--ease-soft), box-shadow .5s var(--ease-soft);
}
.stack-card:hover {
  border-color: rgba(77, 139, 255,.28);
  transform: translateY(-4px);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.8), 0 0 0 1px rgba(77, 139, 255,.06);
}
.stack-card h3 {
  display: flex; align-items: baseline; gap: .75rem;
  font-family: var(--sans); font-size: .95rem; font-weight: 500; letter-spacing: -.005em;
  margin-bottom: 1.15rem;
}
.stack-card h3 .mono { color: var(--accent); font-size: .64rem; }

/* =============================================================
   13. Repos
   ============================================================= */
.repo-grid { display: grid; gap: 1rem; }
@media (min-width: 640px)  { .repo-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .repo-grid { grid-template-columns: repeat(3, 1fr); } }

.repo {
  display: flex; flex-direction: column; gap: .6rem;
  padding: clamp(1.4rem, 2.4vw, 1.8rem);
  border: 1px solid var(--line-2); border-radius: 16px;
  background: linear-gradient(180deg, rgba(242,245,250,.028), rgba(242,245,250,.006));
  min-height: 200px;
  transition: border-color .5s var(--ease-out), transform .5s var(--ease-soft), box-shadow .5s var(--ease-soft);
}
.repo:hover {
  border-color: rgba(77, 139, 255,.3); transform: translateY(-5px);
  box-shadow: 0 34px 64px -32px rgba(0,0,0,.85);
}
.repo-lang { display: flex; align-items: center; gap: .5rem; color: var(--dim); font-size: .64rem; }
.repo .dot { width: 7px; height: 7px; border-radius: 50%; display: block; }
.dot-java   { background: #e5a13a; }
.dot-web    { background: #d8624a; }
.dot-css    { background: #4a7dd8; }
.dot-accent { background: var(--accent); }
.repo h3 {
  font-family: var(--mono); font-size: 1.02rem; font-weight: 500;
  letter-spacing: -.01em; text-transform: none;
  transition: color .35s var(--ease-out);
}
.repo:hover h3 { color: var(--accent); }
.repo p { font-size: .87rem; color: var(--mute); flex: 1; }
.repo-go { color: var(--dim); font-size: .64rem; transition: color .35s var(--ease-out), transform .4s var(--ease-out); }
.repo:hover .repo-go { color: var(--accent); }
.repo-cta { background: linear-gradient(180deg, rgba(77, 139, 255,.07), rgba(77, 139, 255,.01)); border-color: rgba(77, 139, 255,.18); }

/* =============================================================
   14. Education
   ============================================================= */
.edu-grid { display: grid; gap: clamp(2.5rem, 5vw, 4rem); }
@media (min-width: 1024px) { .edu-grid { grid-template-columns: 1.25fr .75fr; align-items: start; } }

.edu-list { border-top: 1px solid var(--line-2); }
.edu {
  display: grid; gap: .5rem 2rem; padding: 1.5rem 0;
  border-bottom: 1px solid var(--line-2);
}
@media (min-width: 720px) { .edu { grid-template-columns: 160px 1fr; align-items: baseline; } }
.edu-years { color: var(--dim); }
.edu h3 { font-family: var(--sans); font-size: 1.02rem; font-weight: 500; letter-spacing: -.01em; margin-bottom: .3rem; }
.edu p { font-size: .87rem; color: var(--mute); }

.lang-card {
  padding: 1.8rem; border: 1px solid var(--line-2); border-radius: 16px;
  background: linear-gradient(180deg, rgba(242,245,250,.028), rgba(242,245,250,.006));
}
.lang-card h3 { color: var(--accent); margin-bottom: 1.4rem; font-weight: 400; }
.lang-list { display: flex; flex-direction: column; gap: 1.6rem; }
.lang-list li { display: grid; grid-template-columns: 1fr auto; gap: .8rem 1rem; align-items: baseline; }
.lang-list span:first-child { font-size: .95rem; }
.lang-list em { font-style: normal; font-family: var(--mono); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
.lang-list .bar {
  grid-column: 1 / -1; height: 2px; background: var(--line); border-radius: 2px; position: relative; overflow: hidden;
}
.lang-list .bar::after {
  content: ""; position: absolute; inset: 0 auto 0 0; width: var(--lvl, 50%);
  background: linear-gradient(90deg, var(--accent), rgba(43,75,255,.7));
  transform: scaleX(0); transform-origin: left;
  transition: transform 1.2s var(--ease-soft) .15s;
}
[data-reveal].is-revealed .bar::after, .lang-card.is-revealed .bar::after { transform: scaleX(1); }

/* =============================================================
   15. Contact
   ============================================================= */
.section-contact { padding-bottom: clamp(4rem, 9vw, 7rem); }
.contact-title {
  font-family: var(--display); font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 600; letter-spacing: -.042em; margin-bottom: 2.2rem;
}
.contact-email {
  display: inline-block; position: relative;
  font-family: var(--display); font-size: clamp(1.25rem, 3.6vw, 2.5rem);
  font-weight: 500; letter-spacing: -.035em; line-height: 1.2; color: var(--ink);
  word-break: break-word; margin-bottom: 3.2rem;
  transition: color .4s var(--ease-out);
}
.contact-email::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -.08em; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: right;
  transition: transform .6s var(--ease-out);
}
.contact-email:hover { color: var(--accent); }
.contact-email:hover::after { transform: scaleX(1); transform-origin: left; }

.contact-grid {
  display: grid; gap: 1.6rem; margin-bottom: 3rem;
  padding-top: 2.2rem; border-top: 1px solid var(--line-2);
}
@media (min-width: 640px)  { .contact-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .contact-grid { grid-template-columns: repeat(4, 1fr); } }
.contact-item { display: flex; flex-direction: column; gap: .5rem; }
.contact-item .mono { color: var(--dim); }
.contact-item a { font-size: .96rem; position: relative; width: fit-content; transition: color .35s; }
.contact-item a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease-out);
}
.contact-item a:hover { color: var(--accent); }
.contact-item a:hover::after { transform: scaleX(1); transform-origin: left; }

/* =============================================================
   16. Footer
   ============================================================= */
.footer { border-top: 1px solid var(--line-2); padding-block: 2.2rem; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; color: var(--dim); }
.footer-top { transition: color .35s; }
.footer-top:hover { color: var(--accent); }

/* =============================================================
   17. Reveal system
   ============================================================= */
[data-reveal] {
  opacity: 0; transform: translateY(28px);
  transition: opacity .9s var(--ease-soft), transform .9s var(--ease-soft);
}
[data-reveal].is-revealed { opacity: 1; transform: none; }
/* defensive: an element that is both reveal + split must never stay invisible */
[data-reveal][data-split] { opacity: 1; transform: none; }

/* Characters are plain visible text until .is-split opts them into the reveal.
   Pure CSS: no rAF dependency, and the keyframes land on the natural state. */
.split-word { display: inline-block; white-space: nowrap; }
.split-char { display: inline-block; }

.hero-title.is-split .split-char {
  animation: charIn .95s var(--ease-out) both;
  animation-delay: calc(120ms + var(--i, 0) * 17ms);
  will-change: transform, opacity;
}
@keyframes charIn {
  from { opacity: 0; transform: translateY(.42em) rotateX(-38deg); }
  to   { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-title.is-split .split-char { animation: none; }
}

/* =============================================================
   18. Reduced motion — only intrusive effects
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .hero-portrait img { animation: none; }
  .kicker-dot { animation: none; }
}