/* ===== Mubashir Mohamed — Blueprint design system ===== */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0e1013;--panel:#15181c;--panel-2:#1b1f24;
  --line:#2a3038;--line-2:#3a424c;
  --ink:#f2f4f6;--ink-dim:#a7afb8;--ink-mute:#6b7480;
  --cyan:#5fd4d8;--cyan-dim:#3a8a8c;--cyan-hover:#7fe0e3;
  --amber:#e0a85f;
  --font-d:'Sora',sans-serif;--font-b:'Manrope',sans-serif;--font-m:'JetBrains Mono',monospace;
  --nav-h:60px;--ruler-h:26px;
  --ease:cubic-bezier(.2,0,0,1);--fast:120ms;--norm:200ms;
  --focus-ring-color:var(--cyan);
}
html{overflow-x:hidden;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--bg);color:var(--ink);font-family:var(--font-b);font-size:16px;line-height:1.65;overflow-x:hidden;min-width:0;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
::selection{background:var(--cyan);color:#0e1013}
button,a,input,textarea,[tabindex]:not([tabindex="-1"]){outline:none}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:not([tabindex="-1"]):focus-visible{
  outline:2px solid var(--focus-ring-color);outline-offset:2px;
}

/* ===== sheet frame: crop marks, ruler, title block ===== */
.crop{position:fixed;width:22px;height:22px;border-color:var(--line-2);z-index:210;pointer-events:none}
.crop.tl{top:14px;left:14px;border-top:1px solid var(--line-2);border-left:1px solid var(--line-2)}
.crop.tr{top:14px;right:14px;border-top:1px solid var(--line-2);border-right:1px solid var(--line-2)}
.crop.bl{bottom:14px;left:14px;border-bottom:1px solid var(--line-2);border-left:1px solid var(--line-2)}
.crop.br{bottom:14px;right:14px;border-bottom:1px solid var(--line-2);border-right:1px solid var(--line-2)}
@media (max-width:640px){.crop{width:14px;height:14px}}

.ruler-top{position:sticky;top:0;z-index:201;height:var(--ruler-h);background:var(--bg);border-bottom:1px solid var(--line);
  background-image:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 40px);
  display:flex;align-items:flex-end;padding:0 clamp(20px,4vw,56px) 4px}
.ruler-top .marks{display:flex;justify-content:space-between;width:100%;font-family:var(--font-m);font-size:9px;color:var(--ink-mute);letter-spacing:.04em}
@media (max-width:700px){.ruler-top .marks span:nth-child(even){display:none}}
@media (max-width:460px){.ruler-top .marks span{display:none}}

.title-block-wrap{display:flex;justify-content:flex-end;padding:0 0 40px}
.title-block{background:var(--panel);border:1px solid var(--line);
  font-family:var(--font-m);font-size:9px;color:var(--ink-mute);width:190px;max-width:100%}
.title-block .row{display:flex;border-top:1px solid var(--line)}
.title-block .row:first-child{border-top:0}
.title-block .row div{padding:5px 7px;flex:1}
.title-block .row div+div{border-left:1px solid var(--line)}
.title-block .lbl{color:var(--ink-mute);text-transform:uppercase;letter-spacing:.08em;font-size:7.5px;margin-bottom:2px;display:block}
.title-block .val{color:var(--ink-dim)}
.title-block .val.cy{color:var(--cyan)}

/* ===== nav ===== */
nav.top{position:sticky;top:var(--ruler-h);z-index:200;display:flex;align-items:center;justify-content:space-between;
  height:var(--nav-h);padding:0 clamp(20px,4vw,56px);background:rgba(14,16,19,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.nav-id{display:flex;align-items:center;gap:.6rem;font-family:var(--font-m);font-size:11px;color:var(--ink-dim);letter-spacing:.04em;min-width:0;overflow:hidden}
.nav-id img{width:26px;height:26px;border-radius:2px;border:1px solid var(--line-2);flex-shrink:0}
.nav-id b{color:var(--ink);white-space:nowrap}
.nav-id small{display:block;color:var(--ink-mute);font-size:9px;letter-spacing:.1em;text-transform:uppercase}
.nav-links{display:none;gap:26px;list-style:none;align-items:center}
.nav-links a{font-family:var(--font-m);font-size:11px;color:var(--ink-mute);text-transform:uppercase;letter-spacing:.05em;padding-bottom:3px;border-bottom:1px solid transparent;transition:color var(--fast) var(--ease),border-color var(--fast) var(--ease);white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--cyan)}
.nav-links a.active{border-bottom-color:var(--cyan)}
.nav-toggle{display:flex;align-items:center;gap:.4rem;background:transparent;border:1px solid var(--line-2);color:var(--ink-dim);font-family:var(--font-m);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;padding:.5rem .8rem;cursor:pointer;transition:background var(--fast) var(--ease),color var(--fast) var(--ease)}
.nav-toggle:hover{background:var(--panel);color:var(--ink)}
.mobile-sheet{position:fixed;top:calc(var(--ruler-h) + var(--nav-h));left:0;right:0;z-index:199;background:var(--panel);border-bottom:1px solid var(--line);
  transform:translateY(-6px);opacity:0;pointer-events:none;transition:transform var(--norm) var(--ease),opacity var(--norm) var(--ease)}
.mobile-sheet.open{transform:translateY(0);opacity:1;pointer-events:auto}
.mobile-sheet ul{list-style:none}
.mobile-sheet a{display:flex;align-items:center;gap:.7rem;padding:.9rem 1.2rem;font-family:var(--font-m);font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-dim);border-top:1px solid var(--line)}
.mobile-sheet a span{color:var(--cyan);font-size:10.5px}
.mobile-sheet a:active,.mobile-sheet a.active{color:var(--ink);background:var(--panel-2)}

.progress-rail{height:2px;background:var(--line);position:sticky;top:calc(var(--ruler-h) + var(--nav-h));z-index:198}
.progress-fill{height:100%;width:0%;background:var(--cyan);transition:width .08s linear}

/* ===== sheet / sections ===== */
.sheet{position:relative;max-width:1180px;margin:0 auto;padding:0 clamp(20px,4vw,56px)}
.section{padding-bottom:76px;scroll-margin-top:calc(var(--ruler-h) + var(--nav-h) + 2px)}
#home.section{padding-top:min(10vh,80px)}

.sheet-idx{display:flex;align-items:center;gap:14px;margin:64px 0 34px;font-family:var(--font-m);font-size:10.5px;color:var(--ink-mute);letter-spacing:.08em;text-transform:uppercase}
#home .sheet-idx{margin-top:0}
.sheet-idx .num{color:var(--cyan);border:1px solid var(--cyan-dim);padding:3px 8px;flex-shrink:0}
.sheet-idx .rule{flex:1;height:1px;background:var(--line)}
h2.sect-title{font-family:var(--font-d);font-weight:700;font-size:clamp(1.4rem,3vw,1.9rem);margin-bottom:28px;letter-spacing:-.015em;line-height:1.15}
h2.sect-title em{font-style:normal;color:var(--cyan)}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in-view{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ===== hero ===== */
.hero{display:grid;grid-template-columns:1fr;gap:40px;padding-bottom:20px}
.callout{position:relative;display:inline-flex;align-items:center;gap:8px;font-family:var(--font-m);font-size:10.5px;color:var(--cyan);letter-spacing:.06em;text-transform:uppercase;margin-bottom:20px}
.callout::before{content:'';width:22px;height:1px;background:var(--cyan-dim)}
h1.name{font-family:var(--font-d);font-weight:800;font-size:clamp(2.4rem,9vw,5rem);line-height:.92;letter-spacing:-.03em;text-wrap:balance}
h1.name .l2{color:var(--ink-mute);-webkit-text-stroke:1px var(--ink-mute);color:transparent;display:block}
.role-line{display:flex;align-items:center;gap:14px;margin:22px 0 26px;font-family:var(--font-m);font-size:12.5px;color:var(--ink-dim);flex-wrap:wrap}
.role-line .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);flex-shrink:0}
.hero p.desc{max-width:52ch;color:var(--ink-dim);font-size:1.02rem;margin-bottom:30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.btn{font-family:var(--font-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:12px 20px;border:1px solid var(--line-2);color:var(--ink);display:inline-flex;align-items:center;gap:8px;transition:background var(--fast) var(--ease),color var(--fast) var(--ease),border-color var(--fast) var(--ease)}
.btn.fill{background:var(--cyan);color:#0e1013;border-color:var(--cyan)}
.btn.fill:hover{background:var(--cyan-hover)}
.btn:not(.fill):hover{border-color:var(--cyan);color:var(--cyan)}
.hero-contacts{display:flex;flex-direction:column;gap:.5rem}
.hero-contacts a{display:flex;align-items:center;gap:.55rem;font-family:var(--font-m);font-size:11.5px;color:var(--ink-dim);transition:color var(--fast) var(--ease);overflow-wrap:anywhere}
.hero-contacts a:hover{color:var(--cyan)}
.hero-contacts i{color:var(--cyan);font-size:12px;flex-shrink:0}

.coord-block{border:1px solid var(--line);background:var(--panel);padding:22px;font-family:var(--font-m)}
.coord-block .cb-head{display:flex;justify-content:space-between;font-size:9px;color:var(--ink-mute);text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px;padding-bottom:12px;border-bottom:1px dashed var(--line)}
.coord-row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:12px;opacity:0;transform:translateY(8px);transition:opacity .5s ease,transform .5s ease}
.coord-row:last-child{border-bottom:0}
.coord-row .k{color:var(--ink-mute)}
.coord-row .v{color:var(--cyan);font-weight:600;font-variant-numeric:tabular-nums}
.in-view .coord-row{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){.coord-row{opacity:1;transform:none}}

@media(min-width:900px){
  .hero{grid-template-columns:1.3fr .8fr;gap:56px;align-items:end}
}

/* ===== legend (skills) ===== */
.legend{border:1px solid var(--line)}
.legend-row{display:grid;grid-template-columns:170px 1fr;border-top:1px solid var(--line)}
.legend-row:first-child{border-top:0}
.legend-key{padding:16px 18px;font-family:var(--font-m);font-size:10.5px;color:var(--ink-mute);text-transform:uppercase;letter-spacing:.07em;display:flex;align-items:center;gap:10px;background:var(--panel);border-right:1px solid var(--line)}
.swatch{width:9px;height:9px;flex-shrink:0}
.sw-1{background:var(--cyan)}.sw-2{background:var(--amber)}.sw-3{background:var(--ink-mute)}
.legend-items{padding:14px 18px;display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center}
.legend-items span{font-family:var(--font-m);font-size:12px;color:var(--ink-dim);position:relative;padding-left:12px;opacity:0;transform:translateY(6px);transition:opacity .5s ease,transform .5s ease}
.legend-items span::before{content:'—';position:absolute;left:0;color:var(--ink-mute)}
.in-view .legend-items span{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){.legend-items span{opacity:1;transform:none}}
@media(max-width:600px){.legend-row{grid-template-columns:1fr}.legend-key{border-right:0;border-bottom:1px solid var(--line)}}

/* ===== revision table (experience) ===== */
.rev-table{width:100%;border-collapse:collapse;font-size:13px}
.rev-table thead th{font-family:var(--font-m);font-size:9.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-mute);text-align:left;padding:10px 14px;border-bottom:1px solid var(--line-2);white-space:nowrap}
.rev-table td{padding:18px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.rev-table tr:hover td{background:var(--panel)}
.rev-no{font-family:var(--font-m);color:var(--cyan);font-size:12px;font-variant-numeric:tabular-nums}
.rev-co{font-family:var(--font-d);font-weight:700;font-size:15px;color:var(--ink)}
.rev-role{font-size:10.5px;color:var(--amber);font-family:var(--font-m);text-transform:uppercase;letter-spacing:.05em;margin-top:2px}
.rev-bullets{list-style:none;color:var(--ink-dim);font-size:12.5px;max-width:48ch;margin-top:2px}
.rev-bullets li{padding:3px 0 3px 1rem;position:relative;line-height:1.55}
.rev-bullets li::before{content:'—';position:absolute;left:0;color:var(--cyan-dim)}
.rev-date{font-family:var(--font-m);font-size:10.5px;color:var(--ink-mute);white-space:nowrap}
.rev-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.rev-tags span{font-family:var(--font-m);font-size:9.5px;color:var(--ink-mute);border:1px dashed var(--line-2);padding:3px 7px;white-space:nowrap}
/* collapse to stacked rows on small screens */
@media (max-width:760px){
  .rev-table thead{display:none}
  .rev-table,.rev-table tbody,.rev-table tr,.rev-table td{display:block;width:100%}
  .rev-table td{border-bottom:0;padding:6px 0}
  .rev-table tr{border-bottom:1px solid var(--line);padding:18px 0}
  .rev-date{margin-top:4px}
}

/* ===== annotated cards (projects) ===== */
.proj-grid{display:grid;grid-template-columns:1fr;gap:1rem}
@media (min-width:700px){.proj-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}}
.annot-card{position:relative;border:1px solid var(--line);background:var(--panel);padding:24px;transition:border-color var(--fast) var(--ease),transform var(--fast) var(--ease)}
.annot-card:hover{border-color:var(--cyan-dim);transform:translateY(-2px)}
.annot-card .ico{font-size:1.3rem;margin-bottom:.7rem}
.annot-card h3{font-family:var(--font-d);font-size:1.05rem;font-weight:700;margin-bottom:4px}
.annot-card .client{font-family:var(--font-m);font-size:9.5px;color:var(--cyan);text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px}
.annot-card p{color:var(--ink-dim);font-size:.85rem;max-width:50ch;margin-bottom:16px;line-height:1.6}
.annot-tags{display:flex;flex-wrap:wrap;gap:8px}
.annot-tags span{font-family:var(--font-m);font-size:9.5px;color:var(--ink-mute);border:1px dashed var(--line-2);padding:3px 8px}

.proj-section-label{display:flex;align-items:center;gap:.75rem;margin-bottom:1rem;margin-top:.5rem}
.proj-section-label .label-txt{font-size:.66rem;font-family:var(--font-m);letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--cyan);white-space:nowrap}
.proj-section-label .label-txt.s2{color:var(--amber)}
.proj-section-line{flex:1;height:1px;background:var(--line)}
.proj-badge{font-size:.6rem;font-family:var(--font-m);padding:.2rem .65rem;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap;border:1px dashed var(--line-2);color:var(--ink-mute)}
.proj-divider{height:1px;background:var(--line);margin:2.2rem 0}

/* ===== about ===== */
.about-grid{display:grid;grid-template-columns:1fr;gap:2.2rem}
@media(min-width:900px){.about-grid{grid-template-columns:1.1fr .9fr}}
.about-panel{border:1px solid var(--line);background:var(--panel);padding:26px}
.about-panel p{color:var(--ink-dim);margin-bottom:1rem;font-size:.95rem;line-height:1.7}
.about-panel p:last-of-type{margin-bottom:0}
.lang-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:1.2rem;padding-top:1.1rem;border-top:1px dashed var(--line)}
.lang-pill{font-family:var(--font-m);font-size:10.5px;color:var(--ink-mute);border:1px solid var(--line-2);padding:.3rem .7rem}
.cert-list{border:1px solid var(--line)}
.cert-row{display:flex;align-items:center;gap:.9rem;padding:.9rem 1.05rem;border-top:1px solid var(--line);transition:background var(--fast) var(--ease)}
.cert-row:first-child{border-top:0}
.cert-row:hover{background:var(--panel)}
.cert-row i.cert-badge-ico{color:var(--amber);font-size:14px;flex-shrink:0}
.cert-info{flex:1;min-width:0}
.cert-title{font-weight:600;font-size:.83rem;color:var(--ink);margin-bottom:1px}
.cert-issuer{font-size:9.5px;color:var(--amber);font-family:var(--font-m);letter-spacing:.05em;text-transform:uppercase}
.cert-arrow{color:var(--ink-mute);font-size:12px;flex-shrink:0;transition:color var(--fast) var(--ease)}
.cert-row:hover .cert-arrow{color:var(--amber)}
.edu-card{border:1px solid var(--line);background:var(--panel);padding:1rem 1.1rem;display:flex;align-items:center;gap:.9rem;margin-top:1rem}
.edu-card .ico{font-size:1.3rem;flex-shrink:0}
.edu-degree{font-weight:600;font-size:.85rem;margin-bottom:2px}
.edu-school{font-size:10px;color:var(--cyan);font-family:var(--font-m);letter-spacing:.05em}
.edu-year{font-size:10px;color:var(--ink-mute);margin-top:2px;font-family:var(--font-m)}

/* ===== contact ===== */
.contact-terminal{border:1px solid var(--line);background:var(--panel);max-width:560px}
.contact-terminal .ct-head{display:flex;justify-content:space-between;align-items:center;padding:12px 18px;border-bottom:1px solid var(--line);font-family:var(--font-m);font-size:9.5px;color:var(--ink-mute);text-transform:uppercase;letter-spacing:.08em}
.contact-terminal .ct-head .dots{display:flex;gap:5px}
.contact-terminal .ct-head .dots span{width:7px;height:7px;border-radius:50%;background:var(--line-2)}
.contact-row{display:flex;align-items:center;gap:.9rem;padding:1rem 1.2rem;border-top:1px solid var(--line);transition:background var(--fast) var(--ease)}
.contact-row:first-child{border-top:0}
.contact-row:hover{background:var(--panel-2)}
.contact-row i{color:var(--cyan);font-size:15px;width:18px;flex-shrink:0}
.contact-row .k{font-family:var(--font-m);font-size:9.5px;color:var(--ink-mute);text-transform:uppercase;letter-spacing:.07em;width:70px;flex-shrink:0}
.contact-row .v{font-size:.85rem;color:var(--ink);overflow-wrap:anywhere}
.contact-intro{color:var(--ink-dim);max-width:56ch;margin-bottom:2rem;font-size:.95rem}
.name-plate{font-family:var(--font-m);font-size:11px;color:var(--ink-mute);margin-bottom:1.6rem}
.name-plate b{color:var(--ink);font-family:var(--font-d);font-size:1.1rem;display:block;margin-bottom:2px;font-weight:700}

footer{border-top:1px solid var(--line);padding:1.4rem clamp(20px,4vw,56px);text-align:center;display:flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font-m);font-size:.66rem;color:var(--ink-mute);letter-spacing:.06em}
footer img{width:16px;height:16px;border-radius:2px;flex-shrink:0;border:1px solid var(--line-2)}
footer a{color:var(--cyan)}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.section-intro{color:var(--ink-dim);font-size:.9rem;max-width:560px;margin:-1.2rem 0 1.8rem}
.back-link{display:inline-flex;align-items:center;gap:.4rem;font-family:var(--font-m);font-size:.72rem;color:var(--ink-mute);letter-spacing:.05em;margin-bottom:1.2rem;transition:color var(--fast) var(--ease)}
.back-link:hover{color:var(--cyan)}

/* ===== nav reveal at wider widths ===== */
@media (min-width:900px){
  .nav-links{display:flex}
  .nav-toggle{display:none}
}