/* ============================================================
   datajoi — Fonts
   Inter drives the entire UI (crisp, tech-forward, editorial).
   JetBrains Mono for SQL, code, and tabular data values.
   Loaded from Google Fonts; @import lives here so the whole
   webfont closure is reachable from styles.css.
   ============================================================ */
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/jetbrains-mono-cyrillic-ext.woff2") format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/jetbrains-mono-cyrillic.woff2") format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/jetbrains-mono-greek.woff2") format('woff2');
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
/* vietnamese */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/jetbrains-mono-vietnamese.woff2") format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/jetbrains-mono-latin-ext.woff2") format('woff2');
  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;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/jetbrains-mono-latin.woff2") format('woff2');
  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;
}
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/jetbrains-mono-cyrillic-ext.woff2") format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/jetbrains-mono-cyrillic.woff2") format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/jetbrains-mono-greek.woff2") format('woff2');
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
/* vietnamese */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/jetbrains-mono-vietnamese.woff2") format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/jetbrains-mono-latin-ext.woff2") format('woff2');
  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;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/jetbrains-mono-latin.woff2") format('woff2');
  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;
}
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/jetbrains-mono-cyrillic-ext.woff2") format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/jetbrains-mono-cyrillic.woff2") format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/jetbrains-mono-greek.woff2") format('woff2');
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
/* vietnamese */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/jetbrains-mono-vietnamese.woff2") format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/jetbrains-mono-latin-ext.woff2") format('woff2');
  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;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/jetbrains-mono-latin.woff2") format('woff2');
  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;
}

/* ============================================================
   Inter — variable woff2, one file per unicode subset.
   A single `font-weight:100 900` declaration covers the whole
   axis, so 400 body through 800 display all come from one file.
   ============================================================ */
/* latin-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/inter-latin-ext.woff2") format('woff2');
  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;
}
/* latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/inter-latin.woff2") format('woff2');
  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;
}

/* ============================================================
   Tokens
   ============================================================ */
:root{
  --bg:#f7f9fb;
  --band:#eceff3;
  --card:#ffffff;
  --card-hover:#f1f4f7;
  --ink:#131f2b;
  --muted:#4c5966;
  --faint:#7b8794;
  --navy:#073763;
  --navy-lt:#0c4f8c;
  --on-navy:#cfe0f2;
  --mint:#069d82;
  --mint-soft:#c7efe6;
  --mint-ink:#003a2f;
  --chip-navy:#cfe0f2;
  --chip-navy-ink:#04223f;
  --shell:1240px;
  --gut:48px;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}

/* ============================================================
   Base
   ============================================================ */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:var(--mint);text-decoration:none}
a:hover{color:var(--navy)}
img{max-width:100%}
/* <picture style="display:contents"> promotes its children to grid/flex items,
   and <source> would otherwise occupy a real cell. Keep it out of layout. */
picture source{display:none}
::selection{background:var(--mint-soft)}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:4px}

.shell{max-width:var(--shell);margin:0 auto}

/* mono kicker above every section heading */
.kicker{
  display:block;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.05em;
  text-transform:uppercase;
  color:var(--mint);
  font-weight:500;
}

h1,h2,h3{letter-spacing:-0.02em;font-weight:800;margin:0}
.sec-title{font-size:clamp(30px,3.6vw,44px)}

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:600;
  border-radius:6px;
  transition:filter .16s ease,background-color .16s ease,color .16s ease;
}
.btn-primary{
  color:#ffffff;
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-lt) 100%);
}
.btn-primary:hover{color:#ffffff;filter:brightness(1.15)}
.btn-ghost{color:var(--navy);background:transparent}
.btn-ghost:hover{color:var(--navy);background:#e5e9ee}
.btn-mint{color:#ffffff;background:var(--mint)}
.btn-mint:hover{color:#ffffff;filter:brightness(1.08)}

/* ============================================================
   Chips
   ============================================================ */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--mint-ink);
  background:var(--mint-soft);
  padding:7px 14px;
  border-radius:4px;
}
.chip--navy{color:var(--chip-navy-ink);background:var(--chip-navy)}

/* ============================================================
   Header
   ============================================================ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px var(--gut);
  background:rgba(241,244,247,0.80);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.brand{display:flex;align-items:baseline;gap:12px}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-0.02em}
.brand-aka{font-family:var(--mono);font-size:12px;color:var(--muted)}
.site-nav{display:flex;align-items:center;gap:28px}
.nav-link{font-size:14px;font-weight:500;color:var(--ink)}
.nav-link:hover{color:var(--mint)}
.site-nav .btn{font-size:14px;padding:10px 20px}

/* ============================================================
   Hero
   ============================================================ */
.hero{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:56px;
  align-items:center;
  padding:72px var(--gut) 88px;
  max-width:var(--shell);
  margin:0 auto;
}
.hero-copy{display:flex;flex-direction:column;gap:24px}
.hero h1{font-size:clamp(40px,6.2vw,76px);line-height:1.02}
.hero p{margin:0;font-size:19px;line-height:1.6;color:var(--muted);max-width:52ch;text-wrap:pretty}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:8px}
.hero-cta .btn-primary{font-size:16px;padding:15px 30px}
.hero-cta .btn-ghost{font-size:16px;padding:15px 22px}
.hero-art{position:relative}
.hero-art::before{
  content:"";
  position:absolute;
  inset:24px -24px -24px 24px;
  border-radius:16px;
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(7,55,99,0.10) 0%, transparent 55%),
    radial-gradient(120% 120% at 100% 100%, rgba(6,157,130,0.20) 0%, transparent 55%);
}
.hero-art img{
  position:relative;
  width:100%;
  height:auto;
  display:block;
  border-radius:16px;
  box-shadow:0 12px 40px rgba(7,55,99,0.10);
}

/* ============================================================
   Split bands ("I love to build", "Catch me talking data")
   ============================================================ */
.band{background:var(--band);padding:64px var(--gut)}
.split{display:grid;gap:56px;align-items:center;max-width:var(--shell);margin:0 auto}
.split--build{grid-template-columns:0.9fr 1.1fr}
.split--speak{grid-template-columns:1fr 1fr}
.split img{width:100%;height:auto;display:block;border-radius:16px;box-shadow:0 12px 40px rgba(7,55,99,0.08)}
.split-copy{display:flex;flex-direction:column;gap:18px}
.split-copy p{margin:0;font-size:17px;line-height:1.65;color:var(--muted);max-width:52ch;text-wrap:pretty}
.split-copy .btn-mint{align-self:flex-start;margin-top:8px;font-size:15px;padding:13px 26px}
.speak-link{align-self:flex-start;margin-top:4px;font-size:15px;font-weight:600;color:var(--navy)}
.speak-link:hover{color:var(--mint)}

/* ============================================================
   Journey — <details> accordion, no JS
   ============================================================ */
.journey{padding:88px var(--gut);max-width:980px;margin:0 auto}
.journey .sec-title{margin:10px 0 12px}
.journey-hint{margin:0 0 32px;font-size:14px;color:var(--faint);font-family:var(--mono)}
.roles{display:flex;flex-direction:column;gap:12px}
.role{background:var(--card);border-radius:12px}
.role summary{
  display:grid;
  grid-template-columns:56px 1fr auto;
  gap:20px;
  align-items:center;
  padding:16px 24px;
  cursor:pointer;
  border-radius:12px;
  list-style:none;
  transition:background-color .16s ease;
}
.role summary::-webkit-details-marker{display:none}
.role summary::marker{content:""}
.role summary:hover{background:var(--card-hover)}
.role img{width:56px;height:56px;border-radius:12px;object-fit:cover;display:block}
.role-id{display:flex;flex-direction:column;gap:3px}
.role-title{font-size:17px;font-weight:700;letter-spacing:-0.01em}
.role-org{font-size:14px;color:var(--muted)}
.role-when{display:flex;flex-direction:column;align-items:flex-end;gap:3px;font-family:var(--mono)}
.role-dates{font-size:12.5px;color:var(--ink)}
.role-len{font-size:12px;color:var(--faint)}
.role-body{padding:0 24px 20px 100px}
.role-body p{margin:0;font-size:14.5px;line-height:1.6;color:var(--muted);max-width:64ch;text-wrap:pretty}

/* ============================================================
   My 'why' — navy band
   ============================================================ */
.why{background:var(--navy);padding:88px var(--gut)}
.why .sec-title{margin:10px 0 44px;color:#ffffff}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.why-card{background:var(--navy-lt);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.why-card img{width:100%;height:230px;object-fit:cover;display:block}
.why-body{padding:24px 26px 30px;display:flex;flex-direction:column;gap:10px}
.why-body h3{font-size:21px;font-weight:700;letter-spacing:-0.01em;color:#ffffff}
.why-body p{margin:0;font-size:15px;line-height:1.6;color:var(--on-navy);text-wrap:pretty}
/* mint fails contrast on the navy card — lift links to the soft tint */
.why-body a{color:var(--mint-soft);text-decoration:underline;text-underline-offset:2px}
.why-body a:hover{color:#ffffff}

/* ============================================================
   Volunteering
   ============================================================ */
.vol{max-width:var(--shell);margin:64px auto 0}
.vol h3{margin:10px 0 28px;font-size:clamp(24px,2.6vw,30px)}
.vol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.vol-card{background:var(--card);border-radius:12px;padding:22px 24px;display:flex;flex-direction:column;gap:8px}
.vol-head{display:flex;align-items:center;gap:12px}
.vol-head img{width:40px;height:40px;border-radius:8px;object-fit:contain;display:block}
.vol-name{font-size:16px;font-weight:700;letter-spacing:-0.01em;flex:1}
.vol-since{font-family:var(--mono);font-size:11.5px;color:var(--faint);white-space:nowrap}
.vol-role{font-family:var(--mono);font-size:12px;color:var(--mint)}
.vol-card p{margin:0;font-size:14px;line-height:1.55;color:var(--muted);text-wrap:pretty}

/* ============================================================
   Reach out + footer
   ============================================================ */
.reach{padding:100px var(--gut);text-align:center;display:flex;flex-direction:column;align-items:center;gap:20px}
.reach h2{font-size:clamp(34px,4.4vw,52px)}
.reach p{margin:0;font-size:18px;color:var(--muted)}
.reach-cta{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:16px;margin-top:6px}
.reach-cta .btn-primary{font-size:17px;padding:17px 36px}
.reach-cta .btn-ghost{font-size:17px;padding:17px 24px}

.site-footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:28px var(--gut);
  background:var(--band);
}
.site-footer span{font-size:13px;color:var(--muted)}
.site-footer img{height:18px;width:auto;display:block;opacity:0.8}

/* ============================================================
   Responsive — the design ships desktop-only (min-width:1100px);
   these are the collapse rules that replace it.
   ============================================================ */
@media (max-width:1024px){
  :root{--gut:32px}
  .hero{grid-template-columns:1fr;gap:44px;padding-top:56px;padding-bottom:64px}
  .hero-art{max-width:560px}
  .split--build,.split--speak{grid-template-columns:1fr;gap:36px}
  .split img{max-width:620px}
  .why-grid,.vol-grid{grid-template-columns:repeat(2,1fr)}
  .journey{padding-top:64px;padding-bottom:64px}
  .why,.band{padding-top:64px;padding-bottom:64px}
  .reach{padding-top:76px;padding-bottom:76px}
}

@media (max-width:680px){
  :root{--gut:20px}
  .site-header{padding:12px var(--gut)}
  .brand{flex-direction:column;gap:2px;align-items:flex-start}
  .nav-link{display:none}
  .hero-art::before{inset:14px -12px -12px 14px}
  .why-grid,.vol-grid{grid-template-columns:1fr}
  .role summary{grid-template-columns:48px 1fr;gap:14px;padding:14px 18px;align-items:start}
  .role img{width:48px;height:48px;border-radius:10px}
  .role-when{grid-column:2;align-items:flex-start;flex-direction:row;gap:10px}
  .role-body{padding:0 18px 18px 80px}
  .site-footer{flex-direction:column;align-items:flex-start;gap:12px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important}
}
