/* ==========================================================
   Rahman Sharif M: Portfolio
   Theme: "Dashboard" (graphite + electric blue + amber)
   ========================================================== */

:root{
  --bg:#090d13;
  --bg-alt:#0c121a;
  --panel:#111924;
  --panel-2:#16212f;
  --line:rgba(120,170,220,.14);
  --line-strong:rgba(120,170,220,.28);
  --text:#e8eef6;
  --muted:#8fa1b5;
  --blue:#5aaef0;
  --blue-deep:#2f7fc4;
  --amber:#ffb340;
  --red:#ff5d5d;
  --green:#37d6a0;
  --f-head:'Sora', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --f-body:'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --f-mono:'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius:18px;
  --nav-h:68px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--f-body);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  background-image:
    radial-gradient(900px 500px at 85% -5%, rgba(90,174,240,.10), transparent 60%),
    radial-gradient(700px 500px at -5% 35%, rgba(255,179,64,.05), transparent 60%),
    linear-gradient(rgba(120,170,220,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,170,220,.035) 1px, transparent 1px);
  background-size:auto,auto,48px 48px,48px 48px;
  background-attachment:fixed;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,dl,dd{margin:0}
.wrap{width:min(1160px,100% - 2.5rem);margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:var(--blue);color:#04121f;padding:.6rem 1rem;z-index:200;border-radius:0 0 8px 0}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:6px}

/* ---------- Ignition splash (speedometer + RS), plays on every open ---------- */
#ignition{
  position:fixed;inset:0;z-index:300;background:var(--bg);
  display:none;place-items:center;transition:opacity .5s ease, visibility .5s ease;cursor:pointer;
  background-image:radial-gradient(520px 520px at 50% 48%, rgba(90,174,240,.18), transparent 70%);
}
.js #ignition.show{display:grid}
#ignition.hide{opacity:0;visibility:hidden}
.ig-wrap{text-align:center}
.ig-gauge{width:min(340px,78vw);height:auto;overflow:visible}
.ig-arc{stroke-dasharray:100;stroke-dashoffset:100;animation:igArc 1.6s cubic-bezier(.5,0,.2,1) forwards;filter:drop-shadow(0 0 6px rgba(90,174,240,.7))}
.ig-needle{transform-origin:150px 150px;transform:rotate(-135deg);animation:igNeedle 1.6s cubic-bezier(.5,0,.2,1) forwards}
@keyframes igArc{0%{stroke-dashoffset:100}55%{stroke-dashoffset:5.6}100%{stroke-dashoffset:20.4}}
@keyframes igNeedle{0%{transform:rotate(-135deg)}55%{transform:rotate(120deg)}100%{transform:rotate(80deg)}}
.ig-rs{font-family:var(--f-head);font-weight:800;font-size:92px;letter-spacing:-.02em;fill:url(#igText);opacity:0;animation:igRs .9s ease .35s forwards}
@keyframes igRs{from{opacity:0;transform:scale(.88)}to{opacity:1;transform:none}}
.ig-rs{transform-box:fill-box;transform-origin:center}
.ig-name{font-family:var(--f-head);font-weight:700;letter-spacing:.3em;font-size:1.05rem;margin-top:.2rem}
.ig-sub{font-family:var(--f-mono);font-size:.72rem;color:var(--muted);letter-spacing:.12em;text-transform:uppercase;margin-top:.4rem}

/* ---------- Navigation ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;height:var(--nav-h);z-index:100;
  transition:background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{background:rgba(9,13,19,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.nav-inner{height:100%;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:.7rem;font-family:var(--f-head);font-weight:700}
.brand-mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--blue),var(--blue-deep));color:#04121f;font-size:.9rem;letter-spacing:.02em;
}
.brand-name{font-size:.98rem;letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:.3rem}
.nav-links a{
  font-size:.9rem;color:var(--muted);padding:.5rem .85rem;border-radius:10px;transition:color .2s, background .2s;
}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(90,174,240,.10)}
.nav-links a.nav-cta{color:#04121f;background:var(--blue);font-weight:600;margin-left:.4rem}
.nav-links a.nav-cta:hover{background:#7cc0f5}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;padding:10px}
.nav-toggle span{display:block;height:2px;background:var(--text);margin:6px 0;border-radius:2px;transition:transform .25s, opacity .25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;padding:.85rem 1.35rem;border-radius:12px;
  font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;
  transition:transform .2s, background .2s, border-color .2s, box-shadow .2s;
}
.btn svg{width:18px;height:18px}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--blue);color:#04121f;box-shadow:0 8px 28px -10px rgba(90,174,240,.7)}
.btn-primary:hover{background:#7cc0f5}
.btn-wa{background:rgba(55,214,160,.12);color:var(--green);border-color:rgba(55,214,160,.35)}
.btn-wa:hover{background:rgba(55,214,160,.2)}
.btn-ghost{border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--blue);background:rgba(90,174,240,.08)}
.btn.disabled{opacity:.45;pointer-events:none}

/* ---------- Hero ---------- */
.hero{min-height:100svh;display:flex;align-items:center;padding:calc(var(--nav-h) + 1.5rem) 0 4rem;position:relative}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;font-family:var(--f-mono);font-size:.74rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--blue);padding:.45rem .9rem;border:1px solid var(--line-strong);border-radius:999px;
  background:rgba(90,174,240,.06);
}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(55,214,160,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(55,214,160,0)}100%{box-shadow:0 0 0 0 rgba(55,214,160,0)}}
.hero h1{
  font-family:var(--f-head);font-weight:800;font-size:clamp(2.8rem,7vw,5.4rem);line-height:1.02;letter-spacing:-.03em;margin:1.3rem 0 .9rem;
  background:linear-gradient(180deg,#fff 30%,#a9c7e6);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.role{font-family:var(--f-head);font-weight:600;font-size:clamp(1.05rem,2.2vw,1.45rem);color:var(--blue)}
.role span{color:var(--amber);margin:0 .3rem}
.lead{max-width:56ch;margin-top:1.1rem;color:var(--muted);font-size:1.05rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.8rem}
.readouts{display:grid;grid-template-columns:repeat(4,auto);justify-content:start;gap:0;margin-top:2.4rem;border:1px solid var(--line);border-radius:14px;background:rgba(17,25,36,.6);overflow:hidden;width:fit-content;max-width:100%}
.readouts div{padding:.85rem 1.3rem;border-right:1px solid var(--line)}
.readouts div:last-child{border-right:0}
.readouts dt{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.readouts dd{font-family:var(--f-mono);font-weight:700;font-size:1.6rem;color:var(--amber);line-height:1.3}

.hero-visual{display:grid;place-items:center}
.cluster{position:relative;width:min(470px,86vw);aspect-ratio:1}
.cluster svg{position:absolute;inset:0;width:100%;height:100%}
#needle{transform-origin:250px 250px;transform:rotate(-135deg);transition:transform 2.2s cubic-bezier(.3,.8,.2,1) .3s}
.portrait{
  position:absolute;inset:11.5%;border-radius:50%;overflow:hidden;
  border:3px solid rgba(90,174,240,.55);
  box-shadow:0 0 0 10px rgba(90,174,240,.06), 0 30px 80px -20px rgba(0,0,0,.8), 0 0 70px -10px rgba(90,174,240,.35);
  background:#6bb0e6;
}
.portrait img{width:100%;height:100%;object-fit:cover;object-position:50% 18%}
.cluster-tag{position:absolute;left:50%;bottom:-2%;transform:translateX(-50%)}
.cluster-tag span{
  display:block;white-space:nowrap;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;
  background:var(--panel);border:1px solid var(--line-strong);padding:.4rem .9rem;border-radius:999px;color:var(--muted);
}
.scroll-cue{position:absolute;bottom:1.4rem;left:50%;transform:translateX(-50%);width:26px;height:42px;border:2px solid var(--line-strong);border-radius:16px}
.scroll-cue span{position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;background:var(--blue);border-radius:2px;animation:wheel 1.8s infinite}
@keyframes wheel{0%{opacity:1;transform:translateY(0)}100%{opacity:0;transform:translateY(14px)}}

/* ---------- Sections ---------- */
.section{padding:6.5rem 0}
.section.alt{background:linear-gradient(180deg,transparent,rgba(12,18,26,.85) 12%,rgba(12,18,26,.85) 88%,transparent)}
.kicker{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin-bottom:.8rem}
h2{font-family:var(--f-head);font-weight:700;font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.15;letter-spacing:-.02em}
.sub{color:var(--muted);max-width:62ch;margin-top:.9rem}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}

/* About */
.about-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:4rem;align-items:center}
.about-photo{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line-strong);max-width:420px;align-self:start}
.about-photo img{width:100%;height:auto;display:block}
.photo-badge{
  position:absolute;left:1rem;bottom:1rem;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;
  background:rgba(9,13,19,.85);backdrop-filter:blur(8px);border:1px solid var(--line-strong);padding:.45rem .8rem;border-radius:999px;
}
.about-copy h2{margin-bottom:1.3rem}
.about-copy p{color:var(--muted);margin-bottom:1rem;max-width:62ch}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1.8rem 0 1.4rem}
.facts li{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:1rem}
.facts strong{display:block;font-family:var(--f-mono);font-size:1.7rem;color:var(--amber);line-height:1.2}
.facts span{font-size:.82rem;color:var(--muted);line-height:1.4;display:block;margin-top:.25rem}
.langs{font-size:.92rem}
.langs span{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);margin-right:.6rem}

/* Skills */
.cluster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-top:2.4rem}
.skill{padding:1.5rem;position:relative;overflow:hidden;transition:transform .25s, border-color .25s}
.skill::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,var(--blue),transparent)}
.skill:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.skill h3{font-family:var(--f-head);font-size:1.02rem;margin-bottom:1rem}
.chips{display:flex;flex-wrap:wrap;gap:.5rem}
.chips li{font-family:var(--f-mono);font-size:.78rem;padding:.4rem .7rem;border-radius:8px;background:rgba(90,174,240,.09);border:1px solid rgba(90,174,240,.2);color:#cfe3f8}

/* Projects */
.project-list{display:grid;gap:2.2rem;margin-top:2.6rem}
.project{display:grid;grid-template-columns:1.05fr .95fr;gap:0;overflow:hidden}
.project:nth-child(even){grid-template-columns:.95fr 1.05fr}
.project:nth-child(even) .p-visual{order:2}
.p-visual{position:relative;background:linear-gradient(145deg,#0d1622,#0a1019);min-height:320px;border-right:1px solid var(--line)}
.project:nth-child(even) .p-visual{border-right:0;border-left:1px solid var(--line)}
.p-visual svg{width:100%;height:100%;display:block}
.p-visual .ill{position:absolute;left:.9rem;top:.8rem;font-family:var(--f-mono);font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(143,161,181,.75)}
.p-body{padding:2.2rem;display:flex;flex-direction:column;justify-content:center}
.p-num{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--amber)}
.p-body h3{font-family:var(--f-head);font-size:1.6rem;line-height:1.2;margin:.4rem 0 .3rem;letter-spacing:-.01em}
.p-sub{color:var(--blue);font-size:.92rem;margin-bottom:1rem}
.p-points{display:grid;gap:.6rem;margin-bottom:1.2rem}
.p-points li{position:relative;padding-left:1.3rem;color:var(--muted);font-size:.95rem}
.p-points li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--blue);transform:rotate(45deg)}
.p-tags{display:flex;flex-wrap:wrap;gap:.45rem;margin-bottom:1.4rem}
.p-tags li{font-family:var(--f-mono);font-size:.72rem;padding:.3rem .6rem;border-radius:7px;border:1px solid var(--line-strong);color:var(--muted)}
.p-actions{display:flex;flex-wrap:wrap;gap:.7rem}
.p-actions .btn{padding:.7rem 1.1rem;font-size:.88rem}
.soon{font-family:var(--f-mono);font-size:.7rem;color:var(--muted);align-self:center;letter-spacing:.06em}

/* Journey */
.journey-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:4rem;margin-top:2.6rem}
.col-title{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:1.6rem}
.route{position:relative;padding-left:2rem}
.route::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:repeating-linear-gradient(to bottom,var(--line-strong) 0 8px,transparent 8px 16px)}
.route > li{position:relative;padding-bottom:2rem}
.route > li:last-child{padding-bottom:0}
.wp{position:absolute;left:-2rem;top:.35rem;width:16px;height:16px;border-radius:50%;background:var(--bg);border:3px solid var(--blue)}
.wp-amber{border-color:var(--amber)}
.route h4{font-family:var(--f-head);font-size:1.08rem}
.meta{font-size:.86rem;color:var(--muted);margin:.15rem 0 .55rem}
.route ul{display:grid;gap:.35rem}
.route ul li{position:relative;padding-left:1.1rem;color:var(--muted);font-size:.93rem}
.route ul li::before{content:"";position:absolute;left:0;top:.7em;width:5px;height:5px;border-radius:50%;background:var(--blue)}
.certs{display:grid;gap:.7rem}
.certs li{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:.85rem 1rem}
.certs strong{display:block;font-size:.95rem}
.certs span{display:block;font-size:.8rem;color:var(--muted);margin-top:.15rem}

/* Achievements */
.podium{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;margin-top:2.4rem}
.medal{display:flex;gap:1.3rem;padding:1.7rem;align-items:flex-start}
.place{
  flex:none;width:68px;height:68px;border-radius:16px;display:grid;place-items:center;font-family:var(--f-mono);font-weight:700;font-size:1.25rem;
  background:linear-gradient(145deg,rgba(255,179,64,.25),rgba(255,179,64,.05));border:1px solid rgba(255,179,64,.45);color:var(--amber);
}
.medal h3{font-family:var(--f-head);font-size:1.15rem}
.medal p:not(.meta){color:var(--muted);font-size:.92rem}

/* Contact */
.contact{text-align:center}
.contact .sub{margin-inline:auto}
.contact-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:1.1rem;margin-top:2.6rem;text-align:left}
.c-card{
  flex:0 1 calc((100% - 2.2rem) / 3);min-width:0;
  display:block;padding:1.4rem 1.5rem;border-radius:16px;background:var(--panel);border:1px solid var(--line);
  transition:transform .25s, border-color .25s, background .25s;
}
.c-card:hover{transform:translateY(-4px);border-color:var(--blue);background:var(--panel-2)}
.c-label{display:block;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin-bottom:.35rem}
.c-value{display:block;font-weight:500;overflow-wrap:anywhere}
.c-card-accent{background:linear-gradient(145deg,rgba(90,174,240,.22),rgba(90,174,240,.06));border-color:rgba(90,174,240,.45)}

/* Footer */
.footer{border-top:1px solid var(--line);padding:1.6rem 0;color:var(--muted);font-size:.85rem}
.footer .wrap{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}

/* Scroll gauge */
.scroll-gauge{
  position:fixed;right:1.2rem;bottom:1.2rem;width:58px;height:58px;border-radius:50%;z-index:90;cursor:pointer;
  background:rgba(17,25,36,.9);backdrop-filter:blur(8px);border:1px solid var(--line);color:var(--text);
  opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .3s, transform .3s;padding:0;
}
.scroll-gauge.on{opacity:1;pointer-events:auto;transform:none}
.scroll-gauge svg{position:absolute;inset:0;width:100%;height:100%}
.scroll-gauge span{position:relative;font-family:var(--f-mono);font-size:.72rem;font-weight:700}
.scroll-gauge:hover{border-color:var(--blue)}

/* Reveal */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease}
.js .reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1020px){
  .cluster-grid{grid-template-columns:repeat(2,1fr)}
  .c-card{flex-basis:calc((100% - 1.1rem) / 2)}
}
@media (max-width:900px){
  .hero{padding-top:calc(var(--nav-h) + 1rem)}
  .hero-grid{grid-template-columns:1fr;gap:2.5rem;text-align:left}
  .hero-visual{order:-1}
  .cluster{width:min(340px,80vw)}
  .about-grid{grid-template-columns:1fr;gap:2.2rem}
  .about-photo{max-width:340px}
  .project,.project:nth-child(even){grid-template-columns:1fr}
  .project:nth-child(even) .p-visual{order:0}
  .p-visual,.project:nth-child(even) .p-visual{min-height:0;aspect-ratio:16/10;border:0;border-bottom:1px solid var(--line)}
  .journey-grid{grid-template-columns:1fr;gap:3rem}
  .podium{grid-template-columns:1fr}
  .section{padding:5rem 0}
}
@media (max-width:860px){
  .nav-toggle{display:block}
  .nav-links{
    position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:.2rem;padding:1rem 1.25rem 1.4rem;
    background:rgba(9,13,19,.97);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
    transform:translateY(-12px);opacity:0;visibility:hidden;transition:opacity .25s, transform .25s, visibility .25s;
  }
  .nav-links.open{opacity:1;visibility:visible;transform:none}
  .nav-links a{padding:.85rem 1rem;font-size:1rem}
  .nav-links a.nav-cta{margin:.4rem 0 0;text-align:center}
  .nav.menu-open{background:rgba(9,13,19,.97)}
}
@media (max-width:560px){
  .readouts{grid-template-columns:repeat(2,1fr);width:100%}
  .readouts div:nth-child(2){border-right:0}
  .readouts div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .facts{grid-template-columns:1fr}
  .cluster-grid{grid-template-columns:1fr}
  .c-card{flex-basis:100%}
  .p-body{padding:1.5rem}
  .brand-name{font-size:.9rem}
  .hero-actions .btn{flex:1 1 auto;justify-content:center}
  .scroll-gauge{width:50px;height:50px;right:.8rem;bottom:.8rem}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .js .reveal{opacity:1;transform:none}
}

.inline-link{color:var(--blue);border-bottom:1px solid rgba(90,174,240,.4)}
.inline-link:hover{border-color:var(--blue)}

/* ---------- Certificate "Show" buttons + viewer ---------- */
.cert-btn{
  display:inline-flex;align-items:center;gap:.45rem;margin-top:.75rem;padding:.42rem .85rem;border-radius:999px;cursor:pointer;
  font-family:var(--f-mono);font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--amber);background:rgba(255,179,64,.08);border:1px solid rgba(255,179,64,.45);transition:background .2s, transform .2s;
}
.cert-btn::before{content:"";width:12px;height:14px;border:2px solid currentColor;border-radius:2px;
  background:linear-gradient(currentColor,currentColor) 2px 3px/4px 2px no-repeat,linear-gradient(currentColor,currentColor) 2px 7px/4px 2px no-repeat}
.cert-btn:hover{background:rgba(255,179,64,.18);transform:translateY(-1px)}
.route .cert-btn{margin-top:.6rem}
.cert-modal{position:fixed;inset:0;z-index:400;display:none;place-items:center;padding:1.2rem;background:rgba(5,8,13,.84);backdrop-filter:blur(6px)}
.cert-modal.open{display:grid}
.cert-box{width:min(960px,100%);height:min(86vh,900px);display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line-strong);border-radius:18px;overflow:hidden;box-shadow:0 40px 100px -20px rgba(0,0,0,.8)}
.cert-head{display:flex;align-items:center;gap:1rem;padding:.8rem 1rem;border-bottom:1px solid var(--line)}
.cert-head strong{flex:1;font-family:var(--f-head);font-size:1rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cert-head a{font-family:var(--f-mono);font-size:.74rem;color:var(--blue);white-space:nowrap}
.cert-head button{width:36px;height:36px;border-radius:10px;border:1px solid var(--line-strong);background:transparent;color:var(--text);font-size:1.3rem;line-height:1;cursor:pointer}
.cert-head button:hover{border-color:var(--amber);color:var(--amber)}
.cert-body{flex:1;min-height:0;background:#0a1019;display:grid;place-items:center;overflow:auto}
.cert-body iframe{width:100%;height:100%;border:0;background:#fff}
.cert-body img{max-width:100%;max-height:100%;object-fit:contain}
.cert-msg{padding:2rem;text-align:center;color:var(--muted);max-width:46ch}
.cert-msg code{color:var(--amber);font-family:var(--f-mono);overflow-wrap:anywhere}