/* =====================================================================
   Ron — UX Portfolio
   Global stylesheet, extracted from the approved design mockup.
   Design tokens live in :root — colors and type are the mockup's system.
   ===================================================================== */

:root{
  /* -------- color tokens (approved mockup palette) -------- */
  --ink:#1f1f21;          /* darkest gray — outer frame, text */
  --panel:#d6d6d3;        /* light gray — main canvas */
  --panel-soft:#c9c9c6;   /* slightly deeper gray — card bg */
  --media:#8a8a88;        /* mid gray — media zones */
  --line:rgba(31,31,33,.18);
  --muted:rgba(31,31,33,.72); /* raised from .62 → .72 for WCAG AA (≥4.5:1 on --panel and --panel-soft) */
  --accent:#1f1f21;
  --paper:#eceff1;        /* light text on dark surfaces */

  /* -------- type tokens (Roboto system) -------- */
  --font:'Roboto',system-ui,sans-serif;
  --fw-thin:100;          /* oversized numbering */
  --fw-light:300;         /* hero display */
  --fw-regular:400;
  --fw-medium:500;
  --fw-bold:700;

  /* -------- shape tokens -------- */
  --radius-canvas:6px;
  --radius-card:10px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--panel-soft);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
}
.canvas{
  background:white;
  border-radius:var(--radius-canvas);
  min-height:calc(100vh - 48px);
  overflow:hidden;
  position:relative;
}
.shell{
  width:min(1200px,100%);
  margin:0 auto;
}
img{max-width:100%;height:auto;display:block}

/* ---------- accessibility helpers ---------- */
.skip-link{
  position:absolute;left:0;top:0;z-index:20;
  transform:translateY(-120%);
  background:var(--ink);color:var(--paper);
  padding:12px 18px;border-radius:0 0 var(--radius-canvas) 0;
  font-size:13px;font-weight:var(--fw-medium);text-decoration:none;
  transition:transform .2s ease;
}
.skip-link:focus{transform:none}
a:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:2px}
.visually-hidden{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- header ---------- */
header{
  display:flex;justify-content:space-between;align-items:center;
  padding:34px 0 30px;
  border-bottom:1px solid var(--line);
}
.logo{
  font-weight:var(--fw-bold);font-size:15px;letter-spacing:.22em;text-transform:uppercase;
  display:flex;align-items:center;gap:10px;
  color:var(--ink);text-decoration:none;
}
.logo::before{
  content:"";width:10px;height:10px;background:var(--ink);border-radius:2px;
  display:inline-block;
}
nav{display:flex;gap:34px}
nav a{
  color:var(--muted);text-decoration:none;font-size:14px;font-weight:var(--fw-medium);
  letter-spacing:.04em;position:relative;transition:color .2s ease;
}
nav a::after{
  content:"";position:absolute;left:0;bottom:-6px;height:1.5px;width:0;
  background:var(--ink);transition:width .25s ease;
}
nav a:hover{color:var(--ink)}
nav a:hover::after{width:100%}
nav a:focus-visible{outline:2px solid var(--ink);outline-offset:4px;border-radius:2px}

/* ---------- intro ---------- */
.intro{padding:72px 0 64px}
.eyebrow{
  font-size:12px;font-weight:var(--fw-medium);letter-spacing:.24em;text-transform:uppercase;
  color:var(--muted);margin-bottom:22px;
}
h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:var(--fw-light);line-height:1.18;letter-spacing:-.01em;
  max-width:19ch;
}
h1 strong{font-weight:var(--fw-bold)}
.intro p{
  margin-top:26px;max-width:56ch;
  font-size:16px;line-height:1.75;color:var(--muted);font-weight:var(--fw-regular);
}

/* ---------- work list ---------- */
.work{padding-bottom:96px}
.work-label{
  display:flex;align-items:baseline;justify-content:space-between;
  padding:18px 0;border-top:1px solid var(--line);
}
.work-label span{font-size:12px;letter-spacing:.24em;text-transform:uppercase;font-weight:var(--fw-medium);color:var(--muted)}

.card{

  margin-top:16px;
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .3s ease, box-shadow .3s ease;
}
.card-media img{
  width:100%;
  height:auto;
  display:block;
  border-radius:var(--radius-card);
}

.card-media{
  width:100%;position:relative;overflow:hidden;
}
.card-media--placeholder{
  min-height:260px;
}
.card-media svg{
  position:absolute;inset:0;width:100%;height:100%;display:block;
}
.card-media::before{
  content:"";position:absolute;inset:0;z-index:1;
  pointer-events:none;
}



.media-tag,.media-index{z-index:2}
.media-tag{
  position:absolute;top:20px;left:22px;
  font-size:11px;font-weight:var(--fw-medium);letter-spacing:.18em;text-transform:uppercase;
  color:var(--paper);background:rgba(31,31,33,.55);
  padding:7px 12px;border-radius:99px;backdrop-filter:blur(4px);
}
.media-index{
  position:absolute;right:22px;bottom:8px;
  font-size:110px;font-weight:var(--fw-thin);line-height:1;color:rgba(236,239,241,.35);
  letter-spacing:-.03em;user-select:none;
}
.card-body{
  display:flex;flex-direction:column;align-items:flex-start;gap:6px;
  padding:16px 0px;
}
.card-body h2,.card-body h3{font-size:20px;font-weight:var(--fw-bold);letter-spacing:-.01em;margin-bottom:8px}
.card-body p{font-size:14.5px;line-height:1.7;color:var(--muted);max-width:58ch}
.card-link{
  flex-shrink:0;margin-top:4px;font-size:13px;letter-spacing:.02em;
  color:var(--ink);text-decoration:none;
  transition:background .2s ease,color .2s ease;
}
.card-link:focus-visible{outline:2px solid var(--ink);outline-offset:3px}

/* ---------- contact ---------- */
.contact{padding-bottom:96px}
.contact-title{
  font-size:clamp(26px,3.4vw,40px);
  font-weight:var(--fw-light);letter-spacing:-.01em;line-height:1.2;
  margin-top:26px;
}
.contact-title strong{font-weight:var(--fw-bold)}
.contact-form{
  margin-top:28px;max-width:640px;
  display:flex;flex-direction:column;align-items:flex-start;gap:18px;
}
.contact-form textarea{
  width:100%;resize:vertical;min-height:120px;
  font-family:var(--font);font-size:15px;line-height:1.7;color:var(--ink);
  background:var(--panel-soft);
  border:1.5px solid var(--line);border-radius:var(--radius-card);
  padding:16px 18px;
  transition:border-color .2s ease;
}
.contact-form textarea:hover{border-color:rgba(31,31,33,.4)}
.contact-form textarea:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-color:var(--ink)}
.contact-send{
  font-family:var(--font);font-size:13px;cursor:pointer;background:transparent;
}
.contact-send:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.contact-note{margin-top:14px;font-size:13px;color:var(--muted)}

/* ---------- footer ---------- */
footer{
  border-top:1px solid var(--line);
  padding:30px 0 44px;
  display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--muted);
}
footer a{color:var(--ink);text-decoration:none;font-weight:var(--fw-medium)}
footer a:hover{text-decoration:underline}

/* =====================================================================
   Case study pages
   ===================================================================== */
.cs-hero{padding:64px 0 0}
.cs-hero h1{max-width:22ch}
.cs-lede{
  margin-top:24px;max-width:60ch;
  font-size:16.5px;line-height:1.75;color:var(--muted);
}
.cs-meta{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:24px 28px;
  margin-top:44px;padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cs-meta div{min-width:0}
.cs-meta dt{
  font-size:11px;font-weight:var(--fw-medium);letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted);margin-bottom:7px;
}
.cs-meta dd{font-size:14.5px;line-height:1.55}

.cs-section{padding-top:64px}
.cs-section h2{
  display:flex;align-items:baseline;gap:18px;
  font-size:22px;font-weight:var(--fw-bold);letter-spacing:-.01em;
  padding-bottom:16px;margin-bottom:26px;border-bottom:1px solid var(--line);
}
.cs-num{
  font-size:56px;font-weight:var(--fw-thin);line-height:1;
  color:rgba(31,31,33,.32);letter-spacing:-.03em;user-select:none;
}
.cs-section p{
  max-width:64ch;font-size:15.5px;line-height:1.8;color:var(--muted);
}
.cs-section p + p{margin-top:18px}
.cs-section ul{
  max-width:64ch;margin:20px 0 0 2px;padding-left:20px;
  font-size:15.5px;line-height:1.8;color:var(--muted);
}
.cs-section li + li{margin-top:8px}
.cs-section strong{color:var(--ink);font-weight:var(--fw-medium)}

.cs-quote{
  margin:30px 0 0;max-width:52ch;
  border-left:3px solid var(--ink);padding-left:22px;
  font-size:19px;font-weight:var(--fw-light);line-height:1.6;
}
.cs-quote cite{
  display:block;margin-top:12px;font-style:normal;
  font-size:13px;color:var(--muted);
}

.cs-cols{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:26px;
}
.cs-cols h3{font-size:15px;font-weight:var(--fw-bold);margin-bottom:10px}

/* figure + placeholder — swap the .cs-placeholder div for an <img> later */
.cs-figure{margin:34px 0 0}
.cs-figure img{width:100%;border-radius:var(--radius-card)}
.cs-placeholder{
  display:flex;align-items:center;justify-content:center;text-align:center;
  min-height:300px;padding:24px;
  background:var(--media);border-radius:var(--radius-card);
  border:1.5px dashed rgba(31,31,33,.4);
}
.cs-placeholder span{
  font-size:13px;font-weight:var(--fw-medium);letter-spacing:.08em;
  color:var(--ink);max-width:44ch;line-height:1.6;
}
.cs-figure--cover .cs-placeholder{min-height:380px}
.cs-figure figcaption{
  margin-top:12px;font-size:13px;line-height:1.6;color:var(--muted);
}

.cs-stats{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:24px;
  margin-top:30px;
}
.cs-stat{
  background:var(--panel-soft);border-radius:var(--radius-card);padding:22px 22px 20px;
}
.cs-stat strong{
  display:block;font-size:42px;font-weight:var(--fw-thin);letter-spacing:-.02em;line-height:1.1;
}
.cs-stat span{display:block;margin-top:8px;font-size:13px;line-height:1.5;color:var(--muted)}

.cs-pager{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  margin-top:88px;padding:26px 0 72px;border-top:1px solid var(--line);
}
.cs-pager .back-link{
  font-size:14px;font-weight:var(--fw-medium);color:var(--muted);text-decoration:none;
  transition:color .2s ease;
}
.cs-pager .back-link:hover{color:var(--ink)}

/* =====================================================================
   About page
   ===================================================================== */
.about-hero{
  padding:72px 0 96px;
  display:grid;grid-template-columns:280px 1fr;gap:60px;align-items:start;
}
.about-photo-placeholder{
  width:100%;aspect-ratio:2/3;border-radius:var(--radius-card);
  background:var(--media);color:var(--paper);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  filter:grayscale(1);
}
.about-photo-placeholder span{
  font-size:12px;font-weight:var(--fw-medium);letter-spacing:.04em;text-align:center;line-height:1.5;
}
.about-lede{
  font-size:clamp(20px,2.3vw,28px);
  font-weight:var(--fw-light);line-height:1.55;letter-spacing:-.005em;
  color:var(--ink);max-width:56ch;
}
.about-lede--note{margin-top:40px;color:var(--muted)}
.chip-wrap{position:relative;display:inline}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;margin:0 2px -8px 4px;
  background:var(--paper);border-radius:8px;font-size:17px;line-height:1;
  box-shadow:0 6px 14px rgba(31,31,33,.16);
}

/* =====================================================================
   Scroll reveal — gated on html.js so content is never hidden without JS
   ===================================================================== */
.js .reveal{
  opacity:0;transform:translateY(18px);
  transition:opacity .6s ease,transform .6s ease;
}
.js .reveal.is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:680px){
  .shell{width:90%}
  header{padding:24px 0 20px}
  nav{gap:20px}
  .intro{padding:48px 0 40px}
  .media-index{font-size:72px}
  .card-body{flex-direction:column;gap:6px;padding:22px 0px 26px}
  .cs-hero{padding-top:48px}
  .cs-section{padding-top:48px}
  .cs-num{font-size:42px}
  .cs-cols{grid-template-columns:1fr}
  .cs-placeholder{min-height:220px}
  .cs-figure--cover .cs-placeholder{min-height:260px}
  .cs-pager{flex-wrap:wrap;padding-bottom:56px}
  .about-hero{grid-template-columns:1fr;padding:48px 0 64px;gap:28px}
  .about-photo{width:160px}
  .about-lede--note{margin-top:28px}
}
@media (max-width:400px){
  nav{gap:14px}
  nav a{font-size:13px}
  .media-index{font-size:56px}
  .cs-meta{grid-template-columns:1fr 1fr}
  .cs-stat strong{font-size:34px}

}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important}
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none}
}