/* ==================================================================
   Mahdi Abbas Nejad — personal site
   Dark "operations console" identity, gold light emitted by structure.
   ================================================================== */

:root{
  --void:#05070E;
  --bg:#080B14;
  --bg-alt:#0A0E19;
  --panel:#0E1524;
  --panel-2:#111A2B;
  --line:rgba(255,255,255,.075);
  --line-gold:rgba(217,180,95,.22);

  --gold:#D9B45F;
  --gold-lt:#F4DFA6;
  --gold-dk:#8C6B2A;
  --gold-grad:linear-gradient(180deg,#F6E6B4 0%,#D9B45F 52%,#A87F33 100%);

  --text:#E9EDF5;
  --muted:#8C99AE;
  --muted-2:#6B7688;

  --wrap:1200px;
  --r:14px;
  --display:"Sora",system-ui,sans-serif;
  --body:"Inter",system-ui,-apple-system,sans-serif;

  --f-xs:.76rem;
  --f-sm:.86rem;
  --f-md:.95rem;
  --f-lg:clamp(1.05rem,.98rem + .3vw,1.18rem);
  --h3:clamp(1.05rem,1rem + .3vw,1.22rem);
  --h2:clamp(1.5rem,1.2rem + 1.3vw,2.15rem);
  --h1:clamp(2.1rem,1.35rem + 2.6vw,3.35rem);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--body);font-size:var(--f-md);line-height:1.68;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;font-family:var(--display);font-weight:600;line-height:1.14;letter-spacing:-.025em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:3px}
::selection{background:rgba(217,180,95,.28)}

.wrap{width:min(calc(100% - 40px),var(--wrap));margin-inline:auto}
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--panel);
  border:1px solid var(--line-gold);padding:.7rem 1rem;border-radius:8px}
.skip:focus{left:16px;top:16px}

/* ─── header ─────────────────────────────────────────────── */
.site-header{position:fixed;inset:0 0 auto 0;z-index:100;transition:background .3s,border-color .3s,box-shadow .3s;
  border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(8,11,20,.82);backdrop-filter:blur(16px);
  border-bottom-color:var(--line);box-shadow:0 12px 40px rgba(0,0,0,.4)}
.header-in{min-height:72px;display:flex;align-items:center;gap:1.5rem}
.brand{display:flex;align-items:center;gap:.7rem}
.brand-mark{width:42px;height:42px;flex:none;display:grid;place-items:center;border-radius:10px;
  font-family:var(--display);font-weight:700;font-size:.88rem;letter-spacing:-.01em;line-height:1;
  color:#0B0E17;background:var(--gold-grad);box-shadow:0 0 0 1px rgba(217,180,95,.35),0 6px 20px rgba(217,180,95,.18)}
.brand-name{display:flex;flex-direction:column;font-family:var(--display);font-weight:600;font-size:.93rem;line-height:1.2}
.brand-name em{font-style:normal;font-family:var(--body);font-weight:400;font-size:.68rem;
  letter-spacing:.13em;text-transform:uppercase;color:var(--muted-2);margin-top:.2rem}
.nav{display:flex;align-items:center;gap:1.65rem;margin-left:auto;font-size:var(--f-sm);font-weight:500}
.nav a{color:var(--muted);position:relative;padding:.35rem 0;transition:color .2s}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--gold);transition:right .25s}
.nav a:hover{color:var(--text)}
.nav a:hover::after,.nav a.active::after{right:0}
.nav a.active{color:var(--gold)}
.nav .nav-cta{padding:.55rem 1.1rem;border-radius:999px;border:1px solid var(--line-gold);color:var(--gold)}
.nav .nav-cta::after{display:none}
.nav .nav-cta:hover{background:rgba(217,180,95,.1)}
.nav-toggle{display:none;margin-left:auto;width:42px;height:42px;background:transparent;
  border:1px solid var(--line);border-radius:10px;cursor:pointer;padding:11px 10px}
.nav-toggle span{display:block;height:1.5px;background:var(--text);border-radius:2px;transition:.25s}
.nav-toggle span+span{margin-top:5px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ─── hero ───────────────────────────────────────────────── */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  padding:96px 0 0;overflow:hidden;isolation:isolate;
  background:radial-gradient(120% 85% at 78% 12%,#0D1626 0%,var(--bg) 55%,var(--void) 100%)}
.hero-canvas{position:absolute;inset:0;z-index:-2;width:100%;height:100%;pointer-events:none}
.hero-veil{position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(58% 60% at 22% 52%,rgba(8,11,20,.86) 0%,rgba(8,11,20,.4) 55%,transparent 100%),
    linear-gradient(to bottom,rgba(8,11,20,.55) 0%,transparent 22%,transparent 68%,var(--bg) 100%)}

.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.78fr);
  gap:clamp(2rem,5vw,4.5rem);align-items:center;flex:1;padding-block:clamp(1.5rem,3vh,3rem)}

.eyebrow{font-size:var(--f-xs);letter-spacing:.28em;text-transform:uppercase;font-weight:600;
  color:var(--gold);margin-bottom:.9rem;display:flex;align-items:center;gap:.8rem}
.eyebrow::after{content:"";height:1px;flex:1;max-width:120px;
  background:linear-gradient(to right,var(--gold-dk),transparent)}

h1{font-size:var(--h1);font-weight:700;letter-spacing:-.035em;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  padding-bottom:.06em}

.hero-roles{display:flex;flex-wrap:wrap;align-items:center;gap:.55rem .95rem;margin-top:.85rem;
  font-family:var(--display);font-weight:500;font-size:var(--f-sm);letter-spacing:.06em;
  text-transform:uppercase;color:var(--text)}
.hero-roles span{display:flex;align-items:center;gap:.95rem}
.hero-roles span+span::before{content:"";width:1px;height:13px;background:var(--line-gold)}

.hero-lead{margin-top:1.35rem;max-width:56ch;color:var(--muted);font-size:var(--f-md)}

.hero-actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.8rem}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 1.3rem;
  border-radius:999px;font-size:var(--f-sm);font-weight:600;border:1px solid transparent;
  transition:transform .2s,box-shadow .2s,border-color .2s,background .2s;font-family:var(--body)}
.btn-gold{background:var(--gold-grad);color:#0A0D16;box-shadow:0 10px 30px rgba(217,180,95,.18)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(217,180,95,.3)}
.btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--line-gold);color:var(--gold)}

.hero-stats{display:grid;grid-template-columns:repeat(3,auto);gap:.4rem 2.4rem;margin:2rem 0 0;
  padding-top:1.4rem;border-top:1px solid var(--line);justify-content:start}
.hero-stats div{display:flex;flex-direction:column;gap:.15rem}
.hero-stats dt{font-size:var(--f-xs);letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
.hero-stats dd{margin:0;font-size:var(--f-sm);font-weight:600;font-family:var(--display)}
.hero-stats dd b{font-size:1.15rem;color:var(--gold);font-weight:700}
.hero-stats .live{display:flex;align-items:center;gap:.5rem;color:var(--text)}
.hero-stats .live i{width:7px;height:7px;border-radius:50%;background:#4FD6AE;position:relative;flex:none}
.hero-stats .live i::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid #4FD6AE;opacity:.55}
@media (prefers-reduced-motion:no-preference){
  .hero-stats .live i::after{animation:ping 2.6s cubic-bezier(0,.5,.5,1) infinite}
  @keyframes ping{0%{transform:scale(.55);opacity:.85}70%,100%{transform:scale(2);opacity:0}}
}

/* portrait */
.hero-portrait{position:relative;justify-self:end;width:min(100%,340px)}
.portrait{position:relative;margin:0;aspect-ratio:4/5;border-radius:18px;overflow:hidden;
  background:linear-gradient(160deg,var(--panel-2),var(--void));
  border:1px solid var(--line-gold);
  box-shadow:0 30px 80px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.03) inset;
  display:grid;place-items:center}
.portrait::before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(to top,rgba(8,11,20,.72) 0%,transparent 45%)}
.portrait::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;z-index:3;
  background:linear-gradient(to right,transparent,var(--gold),transparent)}
.portrait img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center top}
.portrait-fallback{font-family:var(--display);font-weight:700;font-size:2.8rem;letter-spacing:.02em;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.5}
.portrait-badge{position:absolute;left:-14px;bottom:22px;z-index:4;display:flex;align-items:center;gap:.7rem;
  max-width:255px;padding:.65rem .85rem;border-radius:12px;
  background:rgba(14,21,36,.92);backdrop-filter:blur(8px);
  border:1px solid var(--line-gold);box-shadow:0 16px 40px rgba(0,0,0,.5)}
.portrait-badge strong{font-family:var(--display);font-size:.95rem;color:var(--gold);flex:none}
.portrait-badge span{font-size:.72rem;line-height:1.35;color:var(--muted)}

/* tech strip */
.tech-strip{position:relative;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:rgba(5,7,14,.55);overflow:hidden;
  -webkit-mask-image:linear-gradient(to right,transparent,#000 8%,#000 92%,transparent);
          mask-image:linear-gradient(to right,transparent,#000 8%,#000 92%,transparent)}
.tech-track{display:flex;align-items:center;gap:2.6rem;padding:.9rem 0;width:max-content;
  font-size:var(--f-xs);letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);font-weight:500}
.tech-track span{white-space:nowrap;transition:color .2s}
.tech-track span:hover{color:var(--gold)}
@media (prefers-reduced-motion:no-preference){
  .tech-track{animation:marquee 46s linear infinite}
  .tech-strip:hover .tech-track{animation-play-state:paused}
  @keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
}

.scroll-cue{position:absolute;left:50%;bottom:96px;transform:translateX(-50%);z-index:3;
  width:24px;height:38px;border:1px solid var(--line-gold);border-radius:999px;display:grid;place-items:start center;padding-top:7px}
.scroll-cue span{width:3px;height:7px;border-radius:2px;background:var(--gold);display:block}
@media (prefers-reduced-motion:no-preference){
  .scroll-cue span{animation:cue 1.9s ease-in-out infinite}
  @keyframes cue{0%,100%{transform:translateY(0);opacity:1}50%{transform:translateY(11px);opacity:.25}}
}
@media (max-height:760px){.scroll-cue{display:none}}

/* ─── generic sections ───────────────────────────────────── */
.section{padding:clamp(4rem,8vw,6.5rem) 0;position:relative}
.section-alt{background:var(--bg-alt)}
.section-alt::before,.section::before{content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(to right,transparent,var(--line-gold),transparent)}

.s-head{max-width:58ch;margin-bottom:clamp(2.2rem,4vw,3.2rem)}
.kicker{font-size:var(--f-xs);letter-spacing:.26em;text-transform:uppercase;font-weight:600;
  color:var(--gold);margin-bottom:.75rem}
.s-head h2{font-size:var(--h2)}
.s-head p{color:var(--muted);margin-top:.9rem}

/* capabilities */
.cap-grid{display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.cap{position:relative;padding:1.6rem 1.4rem;border-radius:var(--r);
  background:linear-gradient(165deg,var(--panel) 0%,rgba(10,14,25,.6) 100%);
  border:1px solid var(--line);transition:border-color .25s,transform .25s,box-shadow .25s}
.cap:hover{border-color:var(--line-gold);transform:translateY(-3px);box-shadow:0 20px 45px rgba(0,0,0,.4)}
.cap-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:11px;margin-bottom:1.1rem;
  color:var(--gold);background:rgba(217,180,95,.09);border:1px solid var(--line-gold)}
.cap-icon svg{width:22px;height:22px;stroke-linecap:round;stroke-linejoin:round}
.cap h3{font-size:var(--h3);margin-bottom:.55rem}
.cap p{color:var(--muted);font-size:var(--f-sm)}

/* about */
.about-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(2rem,5vw,4rem)}
.about-grid .s-head{margin-bottom:0}
.about-body p{color:var(--muted)}
.about-body p+p{margin-top:1.1rem}
.figures{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;margin-top:2.2rem;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.figures div{background:var(--bg-alt);padding:1.2rem 1.1rem}
.figures b{display:block;font-family:var(--display);font-size:1.7rem;font-weight:700;color:var(--gold);line-height:1}
.figures span{display:block;margin-top:.45rem;font-size:var(--f-xs);color:var(--muted)}

/* timeline */
.timeline{position:relative;padding-left:clamp(0px,2vw,18px)}
.tl-item{position:relative;display:grid;grid-template-columns:minmax(0,150px) minmax(0,1fr);
  gap:1rem 2.2rem;padding:1.9rem 0 1.9rem 1.9rem;border-left:1px solid var(--line)}
.tl-item::before{content:"";position:absolute;left:-4.5px;top:2.35rem;width:9px;height:9px;border-radius:50%;
  background:var(--bg);border:1px solid var(--gold-dk);transition:background .25s,box-shadow .25s}
.tl-item:hover::before{background:var(--gold);box-shadow:0 0 0 4px rgba(217,180,95,.15)}
.tl-item:last-child{border-left-color:transparent}
.tl-when{font-family:var(--display);font-size:var(--f-sm);font-weight:500;color:var(--gold);letter-spacing:.02em;padding-top:.1rem}
.tl-body h3{font-size:var(--h3)}
.tl-body h3 em{font-style:normal;color:var(--muted-2);font-weight:400;font-size:.85em}
.tl-org{color:var(--muted);font-size:var(--f-sm);margin:.3rem 0 .8rem}
.tl-body li{position:relative;padding-left:1.15rem;color:var(--muted);font-size:var(--f-sm);padding-block:.16rem}
.tl-body li::before{content:"";position:absolute;left:0;top:.85em;width:6px;height:1px;background:var(--gold-dk)}
.tags{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:1rem}
.tags span{font-size:var(--f-xs);color:var(--muted);padding:.28rem .7rem;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.02)}

/* projects */
.proj-grid{display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.proj{position:relative;padding:1.8rem 1.6rem;border-radius:var(--r);background:var(--panel);
  border:1px solid var(--line);overflow:hidden;transition:border-color .25s,transform .25s}
.proj::before{content:"";position:absolute;inset:0 0 auto 0;height:2px;
  background:linear-gradient(to right,var(--gold-dk),var(--gold),transparent);
  transform:scaleX(0);transform-origin:left;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.proj:hover{border-color:var(--line-gold);transform:translateY(-3px)}
.proj:hover::before{transform:scaleX(1)}
.proj-type{font-size:var(--f-xs);letter-spacing:.2em;text-transform:uppercase;color:var(--gold-dk);margin-bottom:.65rem}
.proj h3{font-size:var(--h3);margin-bottom:.8rem}
.proj p{color:var(--muted);font-size:var(--f-sm)}
.proj-out{margin-top:.9rem;padding-left:.9rem;border-left:2px solid var(--gold-dk);color:var(--text)!important}

/* credentials */
.cred-grid{display:grid;gap:1px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.cred{background:var(--bg);padding:1.5rem 1.4rem;transition:background .25s}
.cred:hover{background:var(--panel)}
.cred-label{font-size:var(--f-xs);letter-spacing:.18em;text-transform:uppercase;color:var(--gold-dk);margin-bottom:.6rem}
.cred h3{font-size:1rem;margin-bottom:.4rem}
.cred p{color:var(--muted);font-size:var(--f-sm)}
.cred-wide{grid-column:span 2}
@media (max-width:700px){.cred-wide{grid-column:span 1}}

.skills{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-top:3rem}
.skill-col h3{font-size:var(--f-sm);font-weight:600;color:var(--gold);padding-bottom:.7rem;
  border-bottom:1px solid var(--line-gold);margin-bottom:.9rem;font-family:var(--body);
  letter-spacing:.1em;text-transform:uppercase}
.skill-col li{color:var(--muted);font-size:var(--f-sm);padding-block:.3rem}

/* contact */
.contact{background:radial-gradient(90% 120% at 15% 0%,#0D1626 0%,var(--bg) 60%)}
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:clamp(2rem,5vw,4rem);align-items:center}
.contact-grid .s-head{margin-bottom:0}
.contact-lead{color:var(--muted)}
.contact-card{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--panel)}
.c-item{display:flex;flex-direction:column;gap:.2rem;padding:1.15rem 1.4rem;border-bottom:1px solid var(--line);
  transition:background .2s}
.c-item:last-child{border-bottom:0}
a.c-item:hover{background:var(--panel-2)}
.c-item span{font-size:var(--f-xs);letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2)}
.c-item strong{font-family:var(--display);font-size:var(--f-md);font-weight:500}
a.c-item:hover strong{color:var(--gold)}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:2rem 0;background:var(--void)}
.footer-in{display:flex;flex-wrap:wrap;gap:1rem 2rem;justify-content:space-between;align-items:center;
  color:var(--muted-2);font-size:var(--f-sm)}
.footer-in nav{display:flex;flex-wrap:wrap;gap:1.4rem}
.footer-in nav a:hover{color:var(--gold)}

/* reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ─── responsive ─────────────────────────────────────────── */
@media (max-width:1020px){
  .hero-grid{grid-template-columns:1fr;gap:2.5rem}
  .hero-portrait{justify-self:start;width:min(72%,270px)}
  .portrait-badge{left:auto;right:-10px;max-width:220px}
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .hero{min-height:auto;padding-top:110px}
  .scroll-cue{display:none}
}

@media (max-width:860px){
  .nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(8,11,20,.97);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);
    padding:.5rem 20px 1.2rem;transform:translateY(-130%);transition:transform .3s ease;margin:0}
  .nav.open{transform:none}
  .nav a{padding:.9rem 0;border-bottom:1px solid var(--line);font-size:1rem}
  .nav a::after{display:none}
  .nav .nav-cta{margin-top:.9rem;text-align:center;justify-content:center;border-bottom:0}
  .nav-toggle{display:block}
  .brand-name em{display:none}
}

@media (max-width:640px){
  .hero-stats{grid-template-columns:1fr;gap:.9rem}
  .hero-roles{font-size:var(--f-xs)}
  .tl-item{grid-template-columns:1fr;gap:.5rem;padding-left:1.4rem}
  .tl-item::before{top:2rem}
  .figures{grid-template-columns:1fr 1fr}
  .hero-actions .btn{flex:1 1 100%}
}

/* short viewports — keep the whole hero visible without scrolling */
@media (max-height:800px) and (min-width:1021px){
  :root{--h1:clamp(1.9rem,1.1rem + 2.1vw,2.7rem)}
  .hero{padding-top:84px}
  .hero-lead{margin-top:1rem;font-size:var(--f-sm)}
  .hero-actions{margin-top:1.3rem}
  .hero-stats{margin-top:1.4rem;padding-top:1rem}
  .hero-portrait{width:min(100%,280px)}
}
@media (max-height:680px) and (min-width:1021px){
  .hero-lead{display:none}
  .hero-grid{padding-block:1rem}
}

/* the role currently held gets a lit marker on the timeline */
.tl-current::before{background:var(--gold);box-shadow:0 0 0 4px rgba(217,180,95,.16)}
.tl-current .tl-when{color:var(--gold-lt)}

/* v2 portfolio enhancements */
.proj-link{display:inline-flex;align-items:center;gap:.5rem;margin-top:1.15rem;color:var(--gold);font-weight:600;font-size:var(--f-sm)}
.proj-link span{transition:transform .2s}.proj-link:hover span{transform:translateX(4px)}
.credential-note{margin-top:1rem;color:var(--muted);font-size:var(--f-sm)}
.credential-note a{color:var(--gold);text-decoration:underline;text-underline-offset:3px}
.case-hero{padding:140px 0 72px;background:radial-gradient(90% 90% at 78% 10%,#0D1626 0%,var(--bg) 58%,var(--void) 100%)}
.case-hero .kicker{margin-bottom:.9rem}.case-hero h1{max-width:850px}.case-intro{max-width:760px;margin-top:1.1rem;color:var(--muted);font-size:var(--f-lg)}
.case-meta{display:flex;flex-wrap:wrap;gap:.65rem;margin-top:1.6rem}.case-meta span{padding:.45rem .75rem;border:1px solid var(--line-gold);border-radius:999px;color:var(--gold-lt);font-size:var(--f-xs)}
.case-content{padding:70px 0 100px}.case-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:3rem}.case-main{display:grid;gap:2.3rem}.case-main section{padding-bottom:2rem;border-bottom:1px solid var(--line)}
.case-main h2{font-size:var(--h2);margin-bottom:.75rem}.case-main p{color:var(--muted)}.case-side{align-self:start;position:sticky;top:96px;padding:1.3rem;border:1px solid var(--line);border-radius:var(--r);background:var(--panel)}
.case-side h3{font-size:1rem;margin-bottom:.8rem}.case-side ul{display:grid;gap:.55rem}.case-side li{color:var(--muted);font-size:var(--f-sm)}.back-link{display:inline-flex;margin-top:1.2rem;color:var(--gold);font-weight:600}
@media(max-width:820px){.case-grid{grid-template-columns:1fr}.case-side{position:static}}



/* case study: scope strip */
.case-scale{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.7rem;margin-top:1.7rem;max-width:820px}
.case-scale div{padding:.9rem 1rem;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.02)}
.case-scale dt{font-size:var(--f-xs);letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:.3rem}
.case-scale dd{margin:0;font-weight:600;color:var(--text);font-size:var(--f-sm)}
@media(max-width:640px){.case-scale{grid-template-columns:1fr}}