/* ============================================================
   Em — Portfolio
   Shared styles for all pages.
   Palette: white / mist gray backgrounds, ink text,
   teal primary accent, sage secondary accent.
   ============================================================ */

:root{
  --paper:#FFFFFF;
  --mist:#F2F4F3;      /* light gray section bg */
  --sage:#CDE5D3;      /* secondary accent */
  --sage-soft:#E3F0E7;
  --teal:#17909D;      /* primary accent */
  --teal-deep:#0F6E78;
  --ink:#06262B;       /* text */
  --ink-60:rgba(6,38,43,.62);
  --ink-15:rgba(6,38,43,.14);
  --display:'Merriweather', Georgia, serif;
  --body:'Manrope', -apple-system, 'Segoe UI', sans-serif;
  --max:1160px;
  --pad:clamp(20px, 5vw, 56px);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--body);
  color:var(--ink);
  background:var(--paper);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:2px;}

.wrap{max-width:var(--max);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad);}
.wrap-narrow{max-width:760px;margin:0 auto;padding-left:var(--pad);padding-right:var(--pad);}

/* ---------- Nav ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--ink-15);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.logo{
  font-family:var(--display);font-weight:900;font-size:1.35rem;
  text-decoration:none;letter-spacing:-.01em;
}
.logo span{color:var(--teal);}
.nav-links{display:flex;align-items:center;gap:36px;list-style:none;}
.nav-links a{
  text-decoration:none;font-weight:600;font-size:.95rem;
  color:var(--ink);position:relative;
}
.nav-links a:not(.btn)::after{
  content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;
  background:var(--teal);transition:width .25s ease;
}
.nav-links a:not(.btn):hover::after{width:100%;}

.btn{
  display:inline-block;background:var(--teal);color:#fff;
  padding:12px 26px;border-radius:999px;text-decoration:none;
  font-weight:700;font-size:.95rem;border:2px solid var(--teal);
  font-family:var(--body);cursor:pointer;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn:hover{background:var(--teal-deep);border-color:var(--teal-deep);transform:translateY(-1px);}
.btn-ghost{
  background:transparent;color:var(--ink);border:2px solid var(--ink);
}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-1px);}

/* Burger */
.burger{
  display:none;background:none;border:0;cursor:pointer;
  width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:6px;
}
.burger span{
  display:block;width:24px;height:2px;background:var(--ink);
  transition:transform .25s ease,opacity .2s ease;
}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}

.mobile-menu{
  display:none;
  position:absolute;left:0;right:0;top:76px;
  background:var(--paper);
  border-bottom:1px solid var(--ink-15);
  padding:8px 0 24px;
}
.mobile-menu.open{display:block;}
.mobile-menu ul{list-style:none;}
.mobile-menu a{
  display:block;text-decoration:none;font-weight:600;font-size:1.1rem;
  padding:16px var(--pad);
}
.mobile-menu a:hover{background:var(--mist);color:var(--teal-deep);}
.mobile-menu .btn{
  display:block;margin:12px var(--pad) 0;text-align:center;border-radius:999px;
}
.mobile-menu .btn:hover{background:var(--teal-deep);color:#fff;}

/* ---------- Sections & typography ---------- */
section{padding:clamp(72px,9vw,120px) 0;}
.section-mist{background:var(--mist);}
.section-tight{padding:clamp(48px,6vw,80px) 0;}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.8rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--teal-deep);margin-bottom:20px;
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--teal);}

h1,h2,h3{font-family:var(--display);line-height:1.15;letter-spacing:-.01em;}
h2{font-size:clamp(1.9rem,4vw,2.7rem);font-weight:900;margin-bottom:18px;}
.lede{color:var(--ink-60);max-width:560px;font-size:1.06rem;}

/* ---------- Hero (home) ---------- */
.hero{padding-top:clamp(64px,8vw,110px);}
.hero h1{
  font-size:clamp(2.5rem,6.4vw,4.4rem);font-weight:900;
  max-width:15ch;margin-bottom:26px;
}
.hero h1 em{font-style:italic;color:var(--teal);}
.hero .mark{
  background:linear-gradient(transparent 62%, var(--sage) 62%);
  padding:0 .08em;
}
.hero p{
  font-size:1.15rem;color:var(--ink-60);max-width:520px;margin-bottom:38px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}

/* ---------- Services ---------- */
.services-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px;
}
.service{
  background:var(--paper);border:1px solid var(--ink-15);
  border-radius:14px;padding:34px 30px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.service:hover{
  transform:translateY(-4px);
  box-shadow:0 14px 32px rgba(6,38,43,.08);
  border-color:var(--sage);
}
.service .glyph{
  width:46px;height:46px;border-radius:12px;background:var(--sage-soft);
  display:grid;place-items:center;margin-bottom:22px;
}
.service .glyph svg{width:22px;height:22px;stroke:var(--teal-deep);}
.service h3{font-size:1.22rem;font-weight:700;margin-bottom:10px;}
.service p{color:var(--ink-60);font-size:.97rem;}

/* ---------- Work grid (home) ---------- */
.work-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.work-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,3.5vw,44px);
  margin-top:54px;
}
.project{text-decoration:none;display:block;}
.project.full{grid-column:1 / -1;}
.thumb{
  aspect-ratio:4/3;border-radius:14px;overflow:hidden;position:relative;
  display:grid;place-items:center;
  border:1px solid var(--ink-15);
  transition:transform .3s ease,box-shadow .3s ease;
}
.project.full .thumb{aspect-ratio:21/9;}
.project:hover .thumb{
  transform:translateY(-5px);
  box-shadow:0 18px 40px rgba(6,38,43,.10);
}
.ph{
  font-family:var(--display);font-weight:900;font-style:italic;
  font-size:clamp(2.4rem,5vw,3.6rem);opacity:.9;
}
.t-sage{background:var(--sage);} .t-sage .ph{color:var(--teal-deep);}
.t-mist{background:var(--mist);} .t-mist .ph{color:var(--teal);}
.t-teal{background:var(--teal);} .t-teal .ph{color:#fff;}
.t-ink{background:var(--ink);}  .t-ink .ph{color:var(--sage);}
.t-soft{background:var(--sage-soft);} .t-soft .ph{color:var(--ink);}

.project-meta{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:16px;margin-top:18px;
}
.project-meta h3{font-size:1.3rem;font-weight:700;transition:color .2s ease;}
.project:hover .project-meta h3{color:var(--teal-deep);}
.tags{
  font-size:.82rem;font-weight:600;color:var(--ink-60);
  letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;
}
.project p{color:var(--ink-60);font-size:.97rem;margin-top:6px;max-width:60ch;}

/* ---------- About (home) ---------- */
.about-grid{
  display:grid;grid-template-columns:minmax(260px,380px) 1fr;
  gap:clamp(36px,6vw,80px);align-items:center;
}
.portrait{
  aspect-ratio:4/5;border-radius:16px;background:var(--sage);
  border:1px solid var(--ink-15);
  display:grid;place-items:center;
  font-weight:600;color:var(--teal-deep);font-size:.95rem;text-align:center;padding:20px;
}
.about-copy p{margin-bottom:18px;color:var(--ink-60);}
.about-copy p strong{color:var(--ink);}
.about-facts{display:flex;gap:36px;flex-wrap:wrap;margin-top:14px;}
.fact .num{
  font-family:var(--display);font-weight:900;font-size:1.7rem;color:var(--teal);
}
.fact .label{font-size:.85rem;color:var(--ink-60);font-weight:600;}

/* ---------- Contact card ---------- */
.contact-card{
  background:var(--ink);color:#fff;border-radius:20px;
  padding:clamp(44px,6vw,80px);text-align:center;position:relative;overflow:hidden;
}
.contact-card::before{
  content:"";position:absolute;inset:auto -80px -120px auto;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle, rgba(23,144,157,.5), transparent 70%);
}
.contact-card h2{color:#fff;}
.contact-card h2 em{color:var(--sage);font-style:italic;}
.contact-card p{color:rgba(255,255,255,.75);max-width:480px;margin:0 auto 36px;}
.contact-card .btn{position:relative;}
.contact-email{
  display:block;margin-top:22px;font-weight:600;color:var(--sage);
  text-decoration:none;font-size:.95rem;position:relative;
}
.contact-email:hover{text-decoration:underline;}

/* ---------- Footer ---------- */
footer{background:var(--mist);padding:34px 0;}
.foot{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:.9rem;color:var(--ink-60);
}
.foot-links{display:flex;gap:24px;list-style:none;}
.foot-links a{text-decoration:none;font-weight:600;}
.foot-links a:hover{color:var(--teal-deep);}

/* ============================================================
   Case study components
   ============================================================ */

/* Case study hero */
.cs-hero{padding-top:clamp(48px,6vw,80px);padding-bottom:0;}
.cs-kicker{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:.85rem;font-weight:600;color:var(--ink-60);margin-bottom:22px;
}
.cs-kicker a{color:var(--teal-deep);text-decoration:none;font-weight:700;}
.cs-kicker a:hover{text-decoration:underline;}
.cs-kicker .sep{opacity:.4;}
.cs-hero h1{
  font-size:clamp(2.3rem,5.6vw,3.8rem);font-weight:900;
  max-width:18ch;margin-bottom:20px;
}
.cs-hero h1 em{font-style:italic;color:var(--teal);}
.cs-sub{font-size:1.12rem;color:var(--ink-60);max-width:600px;}

/* Meta bar: role / timeline / tools */
.cs-meta{
  display:flex;gap:clamp(24px,5vw,64px);flex-wrap:wrap;
  border-top:1px solid var(--ink-15);border-bottom:1px solid var(--ink-15);
  padding:22px 0;margin:40px 0 0;
}
.cs-meta .item .label{
  font-size:.75rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal-deep);margin-bottom:4px;
}
.cs-meta .item .value{font-weight:600;font-size:.95rem;}

/* Figures & image placeholders */
.figure{margin:0;}
.figure + .figure{margin-top:28px;}
.frame{
  border-radius:14px;overflow:hidden;border:1px solid var(--ink-15);
  background:var(--mist);
}
.frame img{width:100%;}
.figure figcaption{
  font-size:.88rem;color:var(--ink-60);margin-top:12px;font-weight:500;
}
/* Placeholder block shown until a real image is dropped in */
.img-todo{
  display:grid;place-items:center;text-align:center;
  padding:20px;color:var(--teal-deep);font-weight:600;font-size:.95rem;
  background:repeating-linear-gradient(
    -45deg, var(--mist), var(--mist) 14px, var(--sage-soft) 14px, var(--sage-soft) 28px
  );
}
.ratio-wide{aspect-ratio:21/9;}
.ratio-landscape{aspect-ratio:16/10;}
.ratio-photo{aspect-ratio:4/3;}
.fig-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.fig-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}

/* Case study text blocks */
.cs-section h2{font-size:clamp(1.6rem,3.2vw,2.1rem);}
.cs-section .body{max-width:680px;}
.cs-section .body p{margin-bottom:18px;color:var(--ink-60);}
.cs-section .body p strong{color:var(--ink);}
.cs-section .body ul{margin:0 0 18px 20px;color:var(--ink-60);}
.cs-section .body li{margin-bottom:8px;}
.cs-section .body li::marker{color:var(--teal);}
.fill{
  background:var(--sage-soft);border-radius:4px;padding:0 .25em;
  font-weight:600;color:var(--teal-deep);
}

/* Stat callouts (research findings) */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:36px 0;}
.stat{
  background:var(--paper);border:1px solid var(--ink-15);border-radius:14px;
  padding:28px 24px;
}
.section-mist .stat{background:var(--paper);}
.stat .num{
  font-family:var(--display);font-weight:900;font-size:clamp(1.9rem,3.5vw,2.6rem);
  color:var(--teal);line-height:1.1;margin-bottom:8px;
}
.stat .desc{font-size:.92rem;color:var(--ink-60);font-weight:500;}

/* Aha / pull quote */
.aha{
  border-left:4px solid var(--teal);
  background:var(--sage-soft);border-radius:0 14px 14px 0;
  padding:28px 32px;margin:40px 0;max-width:680px;
}
.aha .quote{
  font-family:var(--display);font-style:italic;font-weight:700;
  font-size:1.25rem;line-height:1.5;margin-bottom:8px;
}
.aha .who{
  font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--teal-deep);
}

/* Before / after */
.ba-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:32px;}
.ba .tag{
  display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;padding:5px 12px;border-radius:999px;margin-bottom:12px;
}
.ba.before .tag{background:var(--mist);color:var(--ink-60);}
.ba.after .tag{background:var(--sage);color:var(--teal-deep);}

/* Decision list */
.decisions{display:grid;gap:18px;margin-top:36px;max-width:760px;}
.decision{
  display:grid;grid-template-columns:auto 1fr;gap:18px;
  background:var(--paper);border:1px solid var(--ink-15);border-radius:14px;
  padding:24px 26px;
}
.decision .dot{
  width:34px;height:34px;border-radius:50%;background:var(--sage-soft);
  color:var(--teal-deep);font-weight:800;display:grid;place-items:center;font-size:.9rem;
}
.decision h3{font-size:1.05rem;font-weight:700;margin-bottom:4px;font-family:var(--body);}
.decision p{font-size:.95rem;color:var(--ink-60);}
.decision p strong{color:var(--teal-deep);}

/* Outcome checklist */
.outcomes{list-style:none;margin:28px 0;max-width:640px;}
.outcomes li{
  position:relative;padding-left:34px;margin-bottom:14px;color:var(--ink-60);
}
.outcomes li::before{
  content:"";position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:50%;
  background:var(--sage);
}
.outcomes li::after{
  content:"";position:absolute;left:6px;top:10px;width:8px;height:5px;
  border-left:2px solid var(--teal-deep);border-bottom:2px solid var(--teal-deep);
  transform:rotate(-45deg);
}
.outcomes li strong{color:var(--ink);}

/* Prev / next pager */
.pager{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
}
.pager a{
  text-decoration:none;border:1px solid var(--ink-15);border-radius:14px;
  padding:26px 28px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.pager a:hover{
  border-color:var(--sage);transform:translateY(-3px);
  box-shadow:0 12px 28px rgba(6,38,43,.08);
}
.pager .dir{
  font-size:.75rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal-deep);margin-bottom:6px;display:block;
}
.pager .name{font-family:var(--display);font-weight:900;font-size:1.2rem;}
.pager a.next{text-align:right;}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}

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

/* ---------- Mobile ---------- */
@media (max-width: 860px){
  .nav-links{display:none;}
  .burger{display:flex;}
  .services-grid{grid-template-columns:1fr;}
  .work-grid{grid-template-columns:1fr;}
  .project.full .thumb{aspect-ratio:4/3;}
  .about-grid{grid-template-columns:1fr;}
  .portrait{max-width:360px;}
  .stats{grid-template-columns:1fr;}
  .fig-grid-2,.fig-grid-3{grid-template-columns:1fr;}
  .ba-grid{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;}
  .pager a.next{text-align:left;}
}