/* Johnson To portfolio
   Palette: white paper, green-black ink, pine accent.
   Type: Manrope, self-hosted. */

@font-face{font-family:"Manrope";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/manrope-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"Manrope";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/manrope-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"Manrope";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/manrope-latin-700-normal.woff2") format("woff2")}
@font-face{font-family:"Manrope";font-style:normal;font-weight:800;font-display:swap;src:url("../fonts/manrope-latin-800-normal.woff2") format("woff2")}


:root{
  --paper:#ffffff;
  --panel:#f3f5f3;
  --ink:#17201b;
  --muted:#5a655e;
  --rule:#dfe4e0;
  --pine:#2f6b4f;
  --pine-strong:#245a41;
  --on-pine:#ffffff;

  --display:"Manrope", system-ui, sans-serif;
  --text:"Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --wrap:1120px;
  --gutter:clamp(16px, 4vw, 40px);
  --r-img:6px;
  --r-btn:999px;
  color-scheme:light;
}

:root[data-theme="dark"]{
  --paper:#141a16;
  --panel:#1c241f;
  --ink:#e8ede9;
  --muted:#a7b3ab;
  --rule:#2c3630;
  --pine:#7fbf9c;
  --pine-strong:#9ad1b3;
  --on-pine:#10261a;
  color-scheme:dark;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#141a16;
    --panel:#1c241f;
    --ink:#e8ede9;
    --muted:#a7b3ab;
    --rule:#2c3630;
    --pine:#7fbf9c;
    --pine-strong:#9ad1b3;
    --on-pine:#10261a;
    color-scheme:dark;
  }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--text);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{display:block;max-width:100%}
a{color:inherit}
p{margin:0 0 1em}

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

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}

/* Navigation */
.site-nav{
  position:sticky;top:0;z-index:10;
  background:color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--rule);
}
.site-nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{font-family:var(--display);font-weight:700;font-size:19px;text-decoration:none;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-links a{
  text-decoration:none;font-size:15px;color:var(--muted);
  padding:8px 10px;border-radius:8px;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a[aria-current="page"]{color:var(--ink);font-weight:600}
.theme-btn{
  margin-left:6px;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--rule);background:transparent;color:var(--ink);
  display:inline-grid;place-items:center;cursor:pointer;
}
.theme-btn:hover{border-color:var(--muted)}
.theme-btn svg{width:18px;height:18px}

@media (max-width:640px){
  .site-nav .wrap{flex-direction:column;align-items:flex-start;gap:0;padding-top:10px;padding-bottom:6px}
  .nav-links{margin-left:-10px}
  .nav-links a{padding:6px 10px;font-size:14px}
}

/* Buttons */
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;text-decoration:none;
  border:1.5px solid var(--ink);color:var(--ink);background:transparent;
}
.btn:hover{background:var(--panel)}
.btn.solid{background:var(--pine);border-color:var(--pine);color:var(--on-pine)}
.btn.solid:hover{background:var(--pine-strong);border-color:var(--pine-strong)}

.text-link{color:var(--pine);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1.5px}
.text-link:hover{color:var(--pine-strong)}

/* Hero */
.hero{padding:clamp(40px, 7vw, 88px) 0 clamp(48px, 8vw, 96px)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px, 6vw, 80px);align-items:center}
.hero h1{
  font-family:var(--display);
  font-size:clamp(52px, 7.4vw, 96px);
  font-weight:800;line-height:.92;letter-spacing:-.035em;
  margin:0 0 28px;
}
.hero .intro{font-size:clamp(18px, 1.6vw, 21px);line-height:1.55;max-width:34em;color:var(--ink)}
.hero .intro + .intro{color:var(--muted)}
.facts{display:flex;flex-wrap:wrap;gap:8px 28px;margin-top:28px;padding-top:20px;border-top:1px solid var(--rule);font-size:15px;color:var(--muted)}
.facts b{display:block;color:var(--ink);font-weight:600}
.portrait{border-radius:var(--r-img);overflow:hidden;background:var(--panel);aspect-ratio:4/5}
.portrait img{width:100%;height:100%;object-fit:cover;object-position:50% 25%}

@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr}
  .portrait{max-width:420px;aspect-ratio:1/1}
}

/* Page header (inner pages) */
.page-head{padding:clamp(40px, 6vw, 72px) 0 clamp(24px, 4vw, 40px)}
.page-head h1{font-family:var(--display);font-weight:800;font-size:clamp(44px, 6vw, 72px);line-height:1;letter-spacing:-.03em;margin:0 0 16px}
.page-head p{font-size:19px;color:var(--muted);max-width:36em;margin:0}

/* Sections */
.section{padding:clamp(40px, 6vw, 72px) 0;border-top:1px solid var(--rule)}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:clamp(28px, 4vw, 44px)}
.section-head h2{font-family:var(--display);font-weight:800;font-size:clamp(30px, 3.6vw, 42px);line-height:1.05;letter-spacing:-.02em;margin:0}

/* Project rows: photo-led, alternating */
.project{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px, 5vw, 64px);align-items:center}
.project + .project{margin-top:clamp(48px, 7vw, 88px)}
.project:nth-child(even) .project-media{order:2}
.project-media{border-radius:var(--r-img);overflow:hidden;background:var(--panel);aspect-ratio:4/3}
.project-media img{width:100%;height:100%;object-fit:cover}
.project-media.contain img{object-fit:contain;padding:4%;background:#fff}
.project-media.formula{display:grid;place-items:center;text-align:center;padding:24px}
.formula-inner{font-family:var(--display);color:var(--pine)}
.formula-inner .f{font-size:clamp(40px, 6vw, 72px);font-weight:700;letter-spacing:-.02em;line-height:1}
.formula-inner .n{margin-top:10px;font-family:var(--text);font-size:15px;color:var(--muted)}
.project h3{font-family:var(--display);font-size:clamp(26px, 2.8vw, 34px);line-height:1.1;letter-spacing:-.015em;margin:0 0 6px}
.project .meta{font-size:15px;color:var(--muted);margin-bottom:16px}
.project .result{font-weight:600;margin:0 0 16px;padding-left:14px;border-left:3px solid var(--pine)}
.project ul{margin:0 0 18px;padding-left:20px;color:var(--muted)}
.project li{margin-bottom:6px}
.project .links{display:flex;flex-wrap:wrap;gap:18px;margin-top:4px}

@media (max-width:820px){
  .project{grid-template-columns:1fr}
  .project:nth-child(even) .project-media{order:0}
}

/* Experience list: dates in the left column */
.entry{display:grid;grid-template-columns:200px 1fr;gap:12px 40px;padding:28px 0;border-top:1px solid var(--rule)}
.entry:first-of-type{border-top:0;padding-top:0}
.entry .when{font-size:15px;color:var(--muted);padding-top:4px}
.entry h3{font-family:var(--display);font-size:24px;line-height:1.2;letter-spacing:-.01em;margin:0}
.entry .org{color:var(--muted);margin:2px 0 12px}
.entry ul{margin:0;padding-left:20px}
.entry li{margin-bottom:6px}
.entry li:last-child{margin-bottom:0}
@media (max-width:720px){
  .entry{grid-template-columns:1fr;gap:4px}
}

.feature{
  display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
  background:var(--panel);border-radius:var(--r-img);padding:clamp(24px, 4vw, 40px);
}
.feature h3{font-family:var(--display);font-size:clamp(24px, 2.6vw, 30px);line-height:1.15;margin:0 0 6px;letter-spacing:-.01em}
.feature p{margin:0;color:var(--muted);max-width:40em}
.feature .org{color:var(--ink);font-weight:600;margin-bottom:10px}
@media (max-width:720px){.feature{grid-template-columns:1fr}}

.skills{display:grid;grid-template-columns:200px 1fr;gap:10px 40px}
.skills dt{font-weight:600}
.skills dd{margin:0;color:var(--muted)}
@media (max-width:720px){.skills{grid-template-columns:1fr;gap:2px}.skills dd{margin-bottom:12px}}

/* About */
.about{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(28px, 5vw, 64px);align-items:start}
.about .portrait{aspect-ratio:3/4}
.about-text p{font-size:18px;max-width:34em}
@media (max-width:820px){.about{grid-template-columns:1fr}.about .portrait{max-width:380px}}

.photos{columns:3 280px;column-gap:16px}
.photos figure{margin:0 0 16px;break-inside:avoid}
.photos img{width:100%;border-radius:var(--r-img)}
.photos figcaption{font-size:14px;color:var(--muted);margin-top:6px}

/* Footer */
.site-foot{border-top:1px solid var(--rule);padding:clamp(40px, 6vw, 64px) 0 40px;margin-top:clamp(24px, 4vw, 40px)}
.site-foot h2{font-family:var(--display);font-size:clamp(28px, 3.4vw, 40px);letter-spacing:-.02em;line-height:1.1;margin:0 0 10px}
.site-foot p{color:var(--muted);max-width:34em}
.site-foot .fine{margin-top:40px;font-size:14px;color:var(--muted)}

/* Home project carousel: scrolls sideways, snaps to each card */
.track{
  list-style:none;margin:0;padding:0 0 18px;
  display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 48px) / 2.4);gap:24px;
  overflow-x:auto;overscroll-behavior-x:contain;
  scroll-snap-type:x mandatory;scroll-behavior:smooth;
  scrollbar-width:thin;scrollbar-color:var(--rule) transparent;
}
.track:focus-visible{outline-offset:6px}
@media (prefers-reduced-motion: reduce){.track{scroll-behavior:auto}}
.pcard{scroll-snap-align:start;display:flex;flex-direction:column}
.pcard .project-media{margin-bottom:18px}
.pcard h3{font-family:var(--display);font-size:24px;line-height:1.15;letter-spacing:-.01em;margin:0 0 4px}
.pcard .meta{font-size:15px;color:var(--muted);margin-bottom:12px}
.pcard .result{font-weight:600;margin:0 0 14px;padding-left:12px;border-left:3px solid var(--pine)}
.pcard .text-link{align-self:flex-start;margin-top:auto}
.pcard .formula-inner .f{font-size:clamp(36px, 4vw, 52px)}
.carousel-controls{display:flex;justify-content:flex-end;gap:10px;margin-top:8px}
.arrow{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
  border:1.5px solid var(--ink);background:transparent;color:var(--ink);
}
.arrow:hover{background:var(--panel)}

.arrow svg{width:20px;height:20px}
@media (max-width:820px){.track{grid-auto-columns:82%;gap:16px}}

/* Resume page */
.resume-sheet{display:block;max-width:880px;margin:0 auto;border:1px solid var(--rule);border-radius:var(--r-img);overflow:hidden;background:#fff;box-shadow:0 18px 40px -24px rgba(23,32,27,.35)}
.resume-sheet img{width:100%;height:auto}
.resume-sheet:hover{border-color:var(--muted)}

/* Titration graphic (ibuprofen project) */
.project-media.graphic{display:grid;place-items:center;padding:3% 4%}
.titration{width:100%;height:100%;font-family:var(--text)}
.titration .t-grid{stroke:var(--rule);stroke-width:1}
.titration .t-axis{stroke:var(--muted);stroke-width:1.2}
.titration .t-tick{fill:var(--muted);font-size:11px}
.titration .t-lab{fill:var(--muted);font-size:12px;font-weight:600}
.titration .t-head{fill:var(--ink);font-size:13px;font-weight:700}
.titration .t-curve{fill:none;stroke:var(--pine);stroke-width:3;stroke-linejoin:round;stroke-linecap:round}
.titration .t-mark{stroke:var(--muted);stroke-width:1;stroke-dasharray:3 4}
.titration .t-dot{fill:var(--paper);stroke:var(--pine);stroke-width:2.5}
.titration .t-note{fill:var(--ink);font-size:11.5px;font-weight:600}