/*
Theme Name: Przemysław Bańkowski — Portfolio
Theme URI: https://przemyslawbankowski.pl
Author: Przemysław Bańkowski
Author URI: https://przemyslawbankowski.pl
Description: Klasyczny motyw portfolio (PL/EN jako dwa statyczne URL-e), bez bloków/FSE.
Version: 1.0.0
Requires at least: 5.5
Requires PHP: 7.4
Text Domain: przemyslaw-site
*/

/* Self-hosted Public Sans + IBM Plex Mono (latin + latin-ext, the latter
   covering Polish diacritics), pulled from Google Fonts' own static files —
   no runtime dependency on fonts.googleapis.com/fonts.gstatic.com. */
@font-face{
  font-family: 'Public Sans';
  src: url('assets/fonts/public-sans-400-latin.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face{
  font-family: 'Public Sans';
  src: url('assets/fonts/public-sans-400-latin-ext.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face{
  font-family: 'Public Sans';
  src: url('assets/fonts/public-sans-500-latin.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face{
  font-family: 'Public Sans';
  src: url('assets/fonts/public-sans-500-latin-ext.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face{
  font-family: 'Public Sans';
  src: url('assets/fonts/public-sans-600-latin.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face{
  font-family: 'Public Sans';
  src: url('assets/fonts/public-sans-600-latin-ext.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face{
  font-family: 'Public Sans';
  src: url('assets/fonts/public-sans-700-latin.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face{
  font-family: 'Public Sans';
  src: url('assets/fonts/public-sans-700-latin-ext.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face{
  font-family: 'IBM Plex Mono';
  src: url('assets/fonts/ibm-plex-mono-400-latin.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face{
  font-family: 'IBM Plex Mono';
  src: url('assets/fonts/ibm-plex-mono-400-latin-ext.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face{
  font-family: 'IBM Plex Mono';
  src: url('assets/fonts/ibm-plex-mono-500-latin.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face{
  font-family: 'IBM Plex Mono';
  src: url('assets/fonts/ibm-plex-mono-500-latin-ext.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face{
  font-family: 'IBM Plex Mono';
  src: url('assets/fonts/ibm-plex-mono-600-latin.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face{
  font-family: 'IBM Plex Mono';
  src: url('assets/fonts/ibm-plex-mono-600-latin-ext.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root{
  --bg: #F4F2EC;
  --surface: #FFFFFF;
  --ink: #1D231E;
  --ink-soft: #4B5B4D;
  --ink-faint: #7C8780;
  --accent: #2F5233;
  --accent-ink: #FFFFFF;
  --accent-soft: #E3EBE0;
  --line: #DEDACE;
  --line-strong: #B9C2B4;
  --focus: #2F6FED;
  --placeholder-bg: #E9E5D9;
  --shadow: 0 10px 24px -12px rgba(29,35,30,.22);
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg: #171C18;
    --surface: #1F251F;
    --ink: #E8ECE6;
    --ink-soft: #A9B3A7;
    --ink-faint: #6E796E;
    --accent: #6FA37A;
    --accent-ink: #12170F;
    --accent-soft: #263129;
    --line: #2A312A;
    --line-strong: #3A443A;
    --focus: #6FA0FF;
    --placeholder-bg: #232A24;
    --shadow: 0 10px 24px -12px rgba(0,0,0,.45);
  }
}
:root[data-theme="dark"]{
  --bg: #171C18;
  --surface: #1F251F;
  --ink: #E8ECE6;
  --ink-soft: #A9B3A7;
  --ink-faint: #6E796E;
  --accent: #6FA37A;
  --accent-ink: #12170F;
  --accent-soft: #263129;
  --line: #2A312A;
  --line-strong: #3A443A;
  --focus: #6FA0FF;
  --placeholder-bg: #232A24;
  --shadow: 0 10px 24px -12px rgba(0,0,0,.45);
}

*{ box-sizing: border-box; }
body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Public Sans', 'Segoe UI', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; }
}

a{ color: inherit; }
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.wrap{
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---- topbar ---- */
.topbar{
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 40;
  background: var(--bg);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 16px;
}
.wordmark{
  font-family:'IBM Plex Mono', monospace;
  font-size: 13px;
  white-space: nowrap;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}
.topbar-right{ display:flex; align-items:center; gap: 10px; }
.lang-toggle-link{
  font-family:'IBM Plex Mono', monospace;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
}
.lang-toggle-link:hover{ border-color: var(--accent); color: var(--accent); }
.theme-toggle{
  font-family:'IBM Plex Mono', monospace;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}
.theme-toggle:hover{ border-color: var(--accent); color: var(--accent); }
@media (max-width: 560px){
  .wordmark-role{ display:none; }
  .topbar-inner{ flex-wrap: wrap; row-gap: 10px; }
}

/* ---- hero ---- */
.hero{
  display:grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 40px;
  align-items:center;
  padding-top: 56px;
  padding-bottom: 52px;
}
@media (max-width: 720px){
  .hero{ grid-template-columns: 1fr; }
}
.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  display:flex;
  align-items:center;
  gap: 10px;
}
.eyebrow::before{ content:""; width: 22px; height: 1px; background: var(--accent); }
h1{
  font-weight: 700;
  font-size: clamp(2.2rem, 4.4vw, 3.1rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin: 14px 0 6px;
  text-wrap: balance;
}
.role{
  font-family:'IBM Plex Mono', monospace;
  font-size: 15px;
  color: var(--ink-soft);
  margin: 0 0 6px;
}
.role-sub{
  font-size: 13.5px;
  color: var(--ink-faint);
  margin: 0 0 20px;
}
.thesis{
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.6;
  max-width: 52ch;
  color: var(--ink);
  margin: 0 0 22px;
  text-wrap: balance;
}
.meta-line{
  font-family:'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--ink-faint);
  margin: 0 0 26px;
}

/* ---- stat strip ---- */
.stat-strip{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat{
  padding: 20px 24px;
  border-left: 1px solid var(--line);
}
.stat:first-child{ border-left: none; }
.stat-num{
  font-family:'IBM Plex Mono', monospace;
  font-weight: 600;
  font-size: 26px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.stat-label{
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-top: 4px;
  line-height: 1.4;
}
@media (max-width: 720px){
  .stat-strip{ grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2n+1){ border-left: none; }
  .stat:nth-child(n+3){ border-top: 1px solid var(--line); }
}
.cta-row{ display:flex; flex-wrap: wrap; gap: 12px; }
.btn{
  font-weight: 600;
  font-size: 14.5px;
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  display:inline-flex;
  align-items:center;
  transition: transform .16s ease, box-shadow .16s ease, background-color .16s ease, border-color .16s ease, filter .16s ease;
}
.btn:hover{ transform: translateY(-2px); }
.btn-solid{ background: var(--accent); color: var(--accent-ink); }
.btn-solid:hover{ filter: brightness(1.1); box-shadow: 0 10px 20px -8px rgba(47,82,51,.5); }
.btn-outline{ background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-outline:hover{ background: var(--accent-soft); border-color: var(--accent); box-shadow: 0 10px 20px -8px rgba(29,35,30,.3); }

.hero-photo{ position: relative; }
.hero-photo-shape{
  position: absolute;
  inset: 10% 5% 0 5%;
  border-radius: 28px;
  background: var(--accent-soft);
}
.hero-photo img{
  position: relative;
  display: block;
  width: 82%;
  height: auto;
  aspect-ratio: 640 / 906;
  object-fit: contain;
  margin: 0 auto;
  filter: drop-shadow(0 18px 26px rgba(29,35,30,.22));
}
.photo-slot{
  aspect-ratio: 4 / 5;
  border: 1px dashed var(--line-strong);
  border-radius: 20px;
  background: var(--placeholder-bg);
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding: 20px;
}
.photo-slot span{
  font-family:'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--ink-faint);
  line-height: 1.6;
}

/* ---- sections ---- */
section{ padding: 44px 0; border-top: 1px solid var(--line); scroll-margin-top: 110px; }
[data-reveal]{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .5s ease, transform .5s ease;
}
[data-reveal].is-visible{ opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce){
  [data-reveal]{ opacity: 1; transform: none; transition: none; }
}
.sec-head{
  font-family:'IBM Plex Mono', monospace;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  text-align: left;
  text-wrap: balance;
  margin: 0 0 22px;
}

.about-text{ font-size: 16px; line-height: 1.7; }
.about-text p{ margin: 0 0 14px; }
.domain-row{ margin-top: 22px; text-align: center; }
.domain-label{
  display:block; font-family:'IBM Plex Mono', monospace; font-size: 12.5px;
  letter-spacing: .04em; color: var(--ink-faint); margin-bottom: 12px;
}
.domain-row .tag-chips{ justify-content: center; }

/* ---- competencies ---- */
.comp-grid{
  display:flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  text-align: center;
}
.comp-grid .comp-card{ flex: 0 1 280px; }
.comp-card{
  border: none;
  border-radius: 16px;
  padding: 26px;
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease;
}
.comp-card:hover{ transform: translateY(-3px); box-shadow: 0 16px 30px -14px rgba(47,82,51,.35); }
.comp-icon{ width: 36px; height: 36px; margin: 0 auto 14px; color: var(--accent); }
.comp-icon svg{ width: 100%; height: 100%; }
.comp-title{ font-weight: 600; font-size: 16px; margin-bottom: 7px; }
.comp-text{ font-size: 14.5px; color: var(--ink-soft); line-height: 1.6; }

/* ---- tech stack tags ---- */
.tag-groups{ display:flex; flex-direction:column; gap: 12px; }
.tag-group{ display:flex; align-items:baseline; gap: 12px; flex-wrap: wrap; }
.tag-group-label{
  font-family:'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--ink-faint);
  min-width: 150px;
}
.tag-chips{ display:flex; flex-wrap:wrap; gap: 9px; }
.tag-chip{
  font-family:'IBM Plex Mono', monospace;
  font-size: 13.5px;
  padding: 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
  cursor: default;
}
.tag-chip:hover{ background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }

/* ---- certificates ---- */
.cert-grid{
  display:flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.cert-grid .cert-logo{ flex: 0 1 220px; }
.cert-logo{
  border: none;
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 22px 18px;
  text-align:center;
  cursor: default;
}
.cert-wordmark{ font-weight: 700; font-size: 17px; margin-bottom: 5px; }
.cert-logo-img{ height: 38px; width: auto; max-width: 90%; margin: 0 auto 12px; display:block; color: var(--ink); }
.cert-logo img.cert-logo-img{ object-fit: contain; }
.cert-sub{ font-family:'IBM Plex Mono', monospace; font-size: 11.5px; color: var(--ink-faint); }
.cert-logo[role="button"]{ cursor: pointer; }
.cert-logo[role="button"]:focus-visible{ outline: 2px solid var(--focus); outline-offset: 3px; }
.cert-link{
  font-family:'IBM Plex Mono', monospace; font-size: 11px; color: var(--accent);
  background: none; border: none; cursor: pointer; padding: 0; text-decoration: underline;
  white-space: nowrap;
}

/* ---- cert preview modal ---- */
.cert-modal{
  position: fixed; inset: 0; background: rgba(10,14,11,.72);
  display: none; align-items: center; justify-content: center;
  z-index: 1000; padding: 24px;
}
.cert-modal.is-open{ display: flex; }
.cert-modal-inner{
  background: var(--surface); border-radius: 16px; padding: 22px;
  width: min(880px, 100%); height: min(85vh, 1000px);
  display: flex; flex-direction: column; gap: 12px; position: relative;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.5);
}
.cert-modal-close{
  position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: var(--bg); color: var(--ink);
  cursor: pointer; font-size: 16px; line-height: 1;
}
.cert-modal-title{ font-weight: 600; font-size: 15px; padding-right: 44px; }
.cert-modal-embed{ flex: 1; width: 100%; min-height: 0; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); }
.cert-modal-verify{ font-family:'IBM Plex Mono', monospace; font-size: 12.5px; color: var(--accent); text-decoration: none; }
.cert-modal-verify:hover{ text-decoration: underline; }
.cert-modal-nav{ display:flex; align-items:center; justify-content:center; gap: 16px; }
.cert-nav-btn{
  width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line-strong);
  background: var(--bg); color: var(--ink); font-size: 18px; cursor: pointer;
}
.cert-nav-btn:hover{ border-color: var(--accent); color: var(--accent); }
.cert-nav-count{ font-family:'IBM Plex Mono', monospace; font-size: 12px; color: var(--ink-faint); min-width: 40px; text-align:center; }

/* ---- projects ---- */
.cat-badge{
  display:inline-flex; align-items:center; gap:5px;
  font-family:'IBM Plex Mono', monospace; font-size: 12px; letter-spacing:.03em;
  color: var(--ink-faint); margin-bottom: 8px;
}
.cat-badge + .cat-badge{ margin-left: 10px; }
.cat-badge svg{ width: 15px; height: 15px; flex-shrink: 0; color: var(--accent); }
.proj-card-compact .proj-title{ font-size: 14.5px; margin-bottom: 6px; }
.proj-card-compact .proj-tags{ margin-bottom: 2px; }
.proj-card{
  border: none;
  border-radius: 16px;
  padding: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease, flex-basis .35s ease, max-width .35s ease;
}
.proj-card:hover{ transform: translateY(-3px); box-shadow: 0 16px 30px -14px rgba(47,82,51,.35); }
.cert-logo{ transition: transform .18s ease, box-shadow .18s ease; }
.cert-logo:hover{ transform: translateY(-3px); box-shadow: 0 16px 30px -14px rgba(47,82,51,.35); }
.proj-top{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.proj-title{ font-weight: 600; font-size: 16px; }
.proj-lead{
  font-family:'IBM Plex Mono', monospace;
  font-size: 10.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  display:block;
  margin-bottom: 4px;
}
.proj-tags{ display:flex; gap: 6px; flex-wrap: wrap; }
.proj-tag{
  font-family:'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--ink-soft);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 11px;
  white-space: nowrap;
}
.proj-text{ font-size: 14.5px; line-height: 1.65; color: var(--ink-soft); max-width: 68ch; }
.case-study{ display:flex; flex-direction:column; gap: 14px; }
.cs-context{ font-size: 13.5px; color: var(--ink-soft); line-height: 1.6; }
.cs-item{ font-size: 13px; line-height: 1.65; color: var(--ink-soft); }
.cs-item b{ color: var(--ink); font-weight: 600; }
.proj-metric{
  display:inline-block;
  margin-top: 10px;
  font-family:'IBM Plex Mono', monospace;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent);
}

details{ margin-top: 18px; }
summary{
  font-family:'IBM Plex Mono', monospace;
  font-size: 12.5px;
  color: var(--accent);
  cursor: pointer;
  list-style: none;
  display:inline-flex;
  align-items:center;
  gap: 6px;
}
summary::-webkit-details-marker{ display:none; }
summary::before{ content:"▸"; transition: transform .15s ease; display:inline-block; }
details[open] summary::before{ transform: rotate(90deg); }
.details-inner{ padding-top: 14px; }

/* ---- experience ---- */
.timeline{ display:flex; flex-direction:column; }
.tl-row{
  display:grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.tl-row:first-child{ border-top: none; }
.tl-date{
  font-family:'IBM Plex Mono', monospace;
  font-size: 12.5px;
  color: var(--ink-faint);
  padding-top: 2px;
  font-variant-numeric: tabular-nums;
}
.tl-role{ font-weight: 600; font-size: 15px; }
.tl-company{
  font-family:'IBM Plex Mono', monospace;
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-top: 3px;
}

/* ---- testimonials (styl LinkedIn) ---- */
.testi-grid{ display:flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.testi-grid .testi-card{ flex: 1 1 300px; max-width: 420px; }
.testi-card{
  border: none;
  border-radius: 16px;
  padding: 20px;
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease;
}
.testi-card:hover{ transform: translateY(-3px); box-shadow: 0 16px 30px -14px rgba(47,82,51,.35); }
.testi-head{ display:flex; align-items:center; gap: 12px; margin-bottom: 12px; }
.testi-avatar{
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display:flex; align-items:center; justify-content:center;
  font-weight: 700; font-size: 14px; flex-shrink: 0;
}
.testi-avatar.c1{ background: #2F5233; }
.testi-avatar.c2{ background: #8A6D1F; }
.testi-avatar.c3{ background: #3D5A66; }
.testi-avatar.c4{ background: #8C4A2F; }
.testi-name-row{ display:flex; align-items:center; gap: 6px; }
.testi-name{ font-weight: 600; font-size: 14px; }
.testi-in{ width: 16px; height: 16px; flex-shrink: 0; }
.testi-role{ font-size: 12px; color: var(--ink-faint); line-height: 1.4; margin-top: 1px; }
.testi-quote{ font-size: 13.5px; line-height: 1.65; color: var(--ink-soft); }
.testi-quote.is-clamped{
  display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden;
}
.testi-more{
  font-family:'IBM Plex Mono', monospace; font-size: 11.5px; color: var(--accent);
  background: none; border: none; cursor: pointer; padding: 8px 0 0; text-align: left;
}
.testi-foot{
  margin-top: 22px; font-family:'IBM Plex Mono', monospace; font-size: 12.5px;
}
.testi-foot a{ color: var(--accent); text-decoration: none; }
.testi-foot a:hover{ text-decoration: underline; }

/* ---- contact / footer ---- */
.contact{
  display:flex;
  flex-wrap:wrap;
  gap: 24px;
  align-items: flex-end;
  justify-content: space-between;
}
.contact-links{
  display:flex;
  flex-direction:column;
  gap: 8px;
  font-family:'IBM Plex Mono', monospace;
  font-size: 14px;
}
.contact-links a{ text-decoration:none; }
.contact-links a:hover{ color: var(--accent); }
.contact-intro{ font-size: 14.5px; line-height: 1.6; color: var(--ink-soft); max-width: 60ch; margin: 0 0 22px; }

footer.wrap{
  padding-top: 24px;
  padding-bottom: 56px;
  font-family:'IBM Plex Mono', monospace;
  font-size: 11.5px;
  color: var(--ink-faint);
}
@media (max-width: 560px){
  footer.wrap{ padding-bottom: 72px; }
}

.top-nav-row{ border-top: 1px solid var(--line); }
.top-nav{
  display:flex; gap: 20px; overflow-x:auto;
  padding: 10px 0; font-family:'IBM Plex Mono', monospace; font-size: 12px;
  scrollbar-width: none;
}
.top-nav::-webkit-scrollbar{ display:none; }
.top-nav a{
  color: var(--ink-faint); text-decoration:none; white-space:nowrap;
  padding: 3px 0; border-bottom: 2px solid transparent;
}
.top-nav a:hover{ color: var(--ink); }
.top-nav a.active{ color: var(--accent); border-bottom-color: var(--accent); }

.filter-bar{ display:flex; flex-direction:column; gap: 16px; margin-bottom: 30px; }
.filter-group{ display:flex; flex-direction:column; align-items:flex-start; gap: 10px; }
.filter-group-label{
  display:block; font-family:'IBM Plex Mono', monospace; font-size: 12.5px; letter-spacing: .04em;
  color: var(--ink-faint); flex-shrink: 0;
}
.filter-group-tabs{ display:flex; flex-wrap:wrap; gap: 6px; }
.filter-divider{ display:none; }
.filter-tab{
  font-family:'IBM Plex Mono', monospace; font-size: 12px; padding: 8px 14px;
  border-radius: 999px; border: 1px solid var(--line-strong); background: transparent;
  color: var(--ink-soft); cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease, opacity .15s ease;
}
.filter-tab span{ color: var(--ink-faint); margin-left: 4px; }
.filter-tab:hover{ border-color: var(--accent); color: var(--accent); }
.filter-tab.active{ background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.filter-tab.active span{ color: var(--accent-ink); }
.filter-tab.is-zero{ opacity: .4; }
.proj-card.is-filtered-out{ display:none; }

/* Checkerboard layout: every height below is 100% CSS-native (auto), on
   every screen size. Each of the 3 groups is a plain 2-column flexbox — one
   column of 2 "large" cards, one column of 3 "small" cards, alternating
   sides — with each column sizing purely to its own content, independently
   of the other. Cards 16-21 flow after in a simple wrapping row. */
.proj-list{ display:flex; flex-direction:column; gap: 16px; }
.proj-group{ display:flex; gap: 16px; align-items:flex-start; }
.proj-group.is-empty{ display:none; }
.proj-col{ display:flex; flex-direction:column; gap: 16px; min-width: 0; flex: 1 1 0; }
.proj-col-large{ flex: 2 1 0; }
.proj-col.is-empty{ display:none; }
/* When a card inside this group expands, the group drops the 2-column
   split and stacks as one column instead — the expanding card just grows
   to whatever height its content needs, like any other block on the page.
   `display:contents` on the (now redundant) column wrappers lets their
   children fall directly into that single flex column; the `order`
   values below (fixed, CSS-only) put the interleaved reading order back:
   large1, small1, small2, large2, small3, so each card reappears roughly
   where it visually sat in the checkerboard. */
.proj-group.is-stacked{ flex-direction: column; align-items: stretch; }
.proj-group.is-stacked .proj-col{ display:contents; }
.proj-col-large > .proj-card:nth-child(1){ order: 1; }
.proj-col-small > .proj-card:nth-child(1){ order: 2; }
.proj-col-small > .proj-card:nth-child(2){ order: 3; }
.proj-col-large > .proj-card:nth-child(2){ order: 4; }
.proj-col-small > .proj-card:nth-child(3){ order: 5; }
.proj-flow{ display:flex; flex-wrap:wrap; gap: 16px; }
.proj-flow .proj-card{ flex: 1 1 260px; }
.proj-flow .proj-card.is-expanded{ flex-basis: 100%; }
.proj-card{
  display:flex; align-items:flex-start; position:relative;
  scroll-margin-top: 110px;
}
.proj-card--priority .proj-title{ font-size: 18.5px; }
.proj-summary{ flex: 1 1 auto; min-width: 0; }
.proj-card-compact .proj-text, .proj-card--priority .proj-text{
  display:-webkit-box; -webkit-box-orient:vertical; overflow:hidden;
}
.proj-card-compact .proj-text{ -webkit-line-clamp: 3; }
.proj-card--priority .proj-text{ -webkit-line-clamp: 4; }
.proj-detail{
  flex: 0 0 0px; max-width: 0; max-height: 0; opacity: 0; overflow: hidden;
  transition: opacity .2s ease;
}
.proj-detail-inner{ width: 100%; }
.proj-card.is-expandable{ cursor: pointer; }
.proj-card.is-expanded{ cursor: default; }
.proj-card.is-expanded:hover{ transform: none; }
.proj-card.is-expanded .proj-text{ -webkit-line-clamp: unset; display:block; overflow:visible; }
.proj-card.is-expanded .proj-summary{ flex: 1 1 0; }
.proj-card.is-expanded .proj-detail{
  flex: 1 1 0; max-width: none; max-height: none; opacity: 1;
  padding-left: 26px; margin-left: 26px; border-left: 1px solid var(--line);
  transition: opacity .3s ease .1s;
}
.proj-expand-icon{ display:none; }
@media (max-width: 780px){
  /* Mobile is always "stacked": one column, natural heights throughout —
     same mechanism as a desktop group mid-expand, just permanent. */
  .proj-group{ flex-direction: column; align-items: stretch; }
  .proj-col{ display:contents; }
  .proj-flow{ flex-direction: column; }
  .proj-flow .proj-card{ flex-basis: auto; }
  .proj-card-compact .proj-text, .proj-card--priority .proj-text{ -webkit-line-clamp: unset; display: block; overflow: visible; }
  .proj-card.is-expanded{ flex-direction: column; }
  .proj-card.is-expanded .proj-detail{
    flex-basis: auto; max-width: 100%; padding-left: 0; margin-left: 0;
    border-left: none; border-top: 1px solid var(--line); padding-top: 16px; margin-top: 16px;
  }
  .proj-detail-inner{ width: auto; }
}