/* ==========================================================================
   Sharif Newaz Chowdhury — Technical PM Portfolio
   style.css
   ========================================================================== */

:root{
  --ink:#0A0A0B;
  --panel:#161618;
  --panel-2:#1E1E21;
  --yellow:#F5C400;
  --yellow-dim:#3A3210;
  --white:#FFFFFF;
  --muted:#8A8A8E;
  --line:#2A2A2D;
  --text:#E7E6E2;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:'Inter',sans-serif;
  -webkit-font-smoothing:antialiased;
}
@media (prefers-reduced-motion: reduce){
  *{scroll-behavior:auto;animation:none !important;transition:none !important;}
}
a{color:inherit;}
img{max-width:100%;display:block;}
.wrap{max-width:980px;margin:0 auto;padding:0 28px;}

/* ---------- nav ---------- */
nav{
  position:sticky;top:0;z-index:50;
  background:rgba(10,10,11,.9);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:980px;margin:0 auto;padding:14px 28px;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;
}
.logo{
  display:flex;align-items:center;
  transition:transform .15s ease, opacity .15s ease;
  text-decoration:none;
}
.logo:hover{transform:translateY(-1px);opacity:.85;}
.nav-links{
  display:flex;gap:4px;
  font-family:'JetBrains Mono',monospace;
  font-size:12.5px;
  flex-wrap:wrap;
}
.nav-links a{
  text-decoration:none;
  padding:8px 12px;
  border-radius:6px;
  color:var(--muted);
  transition:background .15s ease, color .15s ease;
}
.nav-links a:hover, .nav-links a:focus-visible{
  background:var(--panel);
  color:var(--yellow);
  outline:none;
}

/* ---------- hero ---------- */
header.hero{padding:56px 0 0;}
.hero-top{
  display:grid;
  grid-template-columns: 1fr 360px;
  gap:40px;
  align-items:start;
}
.hero-inner{max-width:680px;}
@media (max-width:900px){
  .hero-top{grid-template-columns:1fr;}
  .hero-portrait{max-width:340px;margin:0 auto;order:-1;}
}

/* ---------- large portrait panel ---------- */
.hero-portrait{
  position:relative;
  aspect-ratio: 3 / 4;
  border-radius:18px;
  overflow:hidden;
  background:var(--pine-dim);
}
.hero-portrait img{
  width:100%;height:100%;object-fit:cover;object-position:center top;
  filter:grayscale(15%) contrast(1.03);
}
.hero-portrait-frame{
  position:absolute;inset:14px;
  border:1px solid rgba(255,255,255,.55);
  border-radius:10px;
  pointer-events:none;
}
.term-bar{
  display:flex;align-items:center;gap:8px;
  padding:10px 14px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:8px 8px 0 0;
  font-family:'JetBrains Mono',monospace;
  font-size:12px;color:var(--muted);
}
.term-dot{width:9px;height:9px;border-radius:50%;background:var(--line);box-shadow:0 0 0 3px var(--pine-dim);animation:pulse 2.6s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.4;}}
.term-dot:nth-child(1){background:#eecb06;}
.term-dot:nth-child(2){background:#50504f;}
.term-dot:nth-child(3){background:#50504f;}
.term-path{margin-left:8px;}
.prompt-line{
  font-family:'JetBrains Mono',monospace;
  font-size:13px;color:var(--yellow);
  background:var(--panel-2);
  margin:0;padding:14px 14px 0;
  border-left:1px solid var(--line);
  border-right:1px solid var(--line);
}
.prompt-sym{color:var(--muted);margin-right:8px;}
h1{
  font-family:'Space Grotesk',sans-serif;font-weight:600;
  font-size:clamp(34px,5.2vw,52px);line-height:1.08;
  margin:0;padding:12px 14px 20px;
  background:var(--panel-2);
  border-left:1px solid var(--line);
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  border-radius:0 0 8px 8px;
  letter-spacing:-.01em;
}
h1 .accent{color:var(--yellow);}
.hero-lede{font-size:16.5px;line-height:1.7;color:var(--text);opacity:.85;margin:24px 0 24px;max-width:60ch;}
.hero-links{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:48px;}
.btn{
  font-family:'JetBrains Mono',monospace;font-size:13px;
  padding:10px 16px;border-radius:6px;text-decoration:none;
  border:1px solid var(--line);background:var(--panel);color:var(--text);
  transition:transform .15s ease, border-color .15s ease;
}
.btn:hover{transform:translateY(-2px);border-color:var(--yellow);}
.btn.primary{background:var(--yellow);border-color:var(--yellow);color:var(--ink);font-weight:600;}
.btn.primary:hover{background:#FFD62E;}
.btn:focus-visible{outline:2px solid var(--yellow);outline-offset:2px;}

/* metric strip */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:10px;overflow:hidden;
}
.metric{background:var(--panel);padding:20px 16px;}
.metric .num{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:26px;color:var(--yellow);}
.metric .label{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.04em;color:var(--muted);margin-top:6px;}
@media (max-width:680px){ .metrics{grid-template-columns:repeat(2,1fr);} }

/* ---------- tool logo marquee ---------- */
.marquee{
  width:100%;overflow:hidden;
  background:var(--panel);
  border-bottom:1px solid var(--line);
  padding:20px 0;display:flex;
}
.marquee-track{
  display:flex;align-items:center;gap:64px;flex-shrink:0;
  padding-right:64px;
  animation:scroll-marquee 28s linear infinite;
}
.marquee-track img{
  height:26px;width:auto;object-fit:contain;
  filter:brightness(0) invert(1);opacity:.55;
  transition:opacity .2s ease, filter .2s ease;
}
.marquee-track img:hover{
  opacity:1;
  filter:brightness(0) saturate(100%) invert(80%) sepia(64%) saturate(1200%) hue-rotate(3deg) brightness(103%) contrast(101%);
}
@keyframes scroll-marquee{ from{transform:translateX(0);} to{transform:translateX(-100%);} }
@media (prefers-reduced-motion: reduce){ .marquee-track{animation:none;} }

.tool-icon{
  height:26px;width:auto;
  fill:var(--white);
  opacity:.55;
  transition:opacity .2s ease, fill .2s ease;
}
.tool-icon:hover{ opacity:1; }

.icon-adobe:hover   { fill:#FF0000; }
.icon-figma:hover   { fill:#F24E1E; }
.icon-python:hover  { fill:#3776AB; }
.icon-3dsmax:hover  { fill:#00A6E8; }
.icon-microsoft:hover{ fill:#00A4EF; }
.icon-js:hover      { fill:#F7DF1E; }
.icon-html:hover    { fill:#E34F26; }
.icon-css:hover     { fill:#1572B6; }
.icon-metaase:hover { fill:#2915d8; }
.icon-android:hover { fill:#57dc3d; }
.icon-java:hover    { fill:#007396; }

/* ---------- section shell ---------- */
section{padding:64px 0;border-bottom:1px solid var(--line);scroll-margin-top:70px;}
section:last-of-type{border-bottom:none;}
.sec-label{
  font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.06em;
  color:var(--yellow);margin:0 0 20px;
}
.sec-title{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:26px;margin:0 0 28px;color:var(--white);}

/* ---------- about ---------- */
.about-top{
  display:grid;
  grid-template-columns: 1fr 360px;
  gap:40px;
  align-items:start;
}
.about-inner{max-width:680px;}
@media (max-width:900px){
  .about-top{grid-template-columns:1fr;}
  .about-portrait{max-width:340px;margin:0 auto;order:-1;}
}
.about-text{font-size:16.5px;line-height:1.7;color:var(--text);opacity:.85;margin:24px 0 24px;max-width:60ch;}
.about-portrait_2{
  position:relative;
  aspect-ratio: 3 / 3;
  border-radius:18px;
  overflow:hidden;
}
.about-portrait_2 img{
  width:100%;object-fit:cover;object-position:center top;
  filter:grayscale(15%) contrast(1.03);
}
.comp-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:10px;margin-top:28px;
}
.comp{
  font-size:13px;padding:10px 14px;border:1px solid var(--line);border-radius:6px;
  background:var(--panel);color:var(--text);
  display:flex;align-items:center;gap:8px;
  font-family:'JetBrains Mono',monospace;
}
.comp::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--yellow);flex-shrink:0;}

/* ---------- experience rail (signature element) ---------- */
.rail{position:relative;padding-left:32px;}
.rail-line{
  position:absolute;left:5px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg, var(--yellow) 30%, var(--line) 100%);
}
.rail-node{position:relative;margin-bottom:36px;}
.rail-node:last-child{margin-bottom:0;}
.rail-dot{
  position:absolute;left:-32px;top:26px;
  width:12px;height:12px;border-radius:50%;
  background:var(--ink);border:2px solid var(--muted);
}
.rail-dot.live{
  border-color:var(--yellow);
  box-shadow:0 0 0 4px var(--yellow-dim);
  animation:dot-pulse 2.4s ease-in-out infinite;
}
@keyframes dot-pulse{ 0%,100%{box-shadow:0 0 0 4px var(--yellow-dim);} 50%{box-shadow:0 0 0 7px var(--yellow-dim);} }

.rail-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:10px;
  padding:24px;
}
.role-meta{
  font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--muted);
  margin-bottom:14px;display:flex;align-items:center;flex-wrap:wrap;gap:10px;
}
.role-meta .tag{
  padding:3px 9px;border-radius:5px;
  background:var(--yellow-dim);color:var(--yellow);font-size:11px;
}
.role-head{display:flex;align-items:center;gap:12px;margin-bottom:4px;}
.role-logo{
  width:36px;height:36px;border-radius:7px;object-fit:contain;
  border:1px solid var(--line);background:var(--panel-2);padding:5px;flex-shrink:0;
}
.role-logo--fallback{
  display:flex;align-items:center;justify-content:center;
  font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:14px;color:var(--yellow);
  background:var(--yellow-dim);border-color:var(--yellow-dim);
}
.role-title{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:18px;color:var(--white);margin:0;}
.role-org{font-size:13.5px;color:var(--muted);margin:0 0 16px;}
.rail-card ul{margin:0;padding-left:18px;}
.rail-card li{font-size:14px;line-height:1.7;color:var(--text);opacity:.85;margin-bottom:8px;}
.rail-card li b{color:var(--white);font-weight:600;opacity:1;}
@media (max-width:600px){
  .rail{padding-left:24px;}
  .rail-line{left:3px;}
  .rail-dot{left:-24px;width:10px;height:10px;}
  .rail-card{padding:18px;}
}

/* ---------- projects ---------- */
.proj-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;}
.proj-card{
  border:1px solid var(--line);border-radius:10px;padding:22px;background:var(--panel);
  transition:transform .15s ease, border-color .15s ease;
}
.proj-card:hover{transform:translateY(-3px);border-color:var(--yellow);}
.proj-tag{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.04em;color:var(--yellow);margin-bottom:10px;}
.proj-card h3{font-family:'Space Grotesk',sans-serif;font-size:17px;font-weight:600;color:var(--white);margin:0 0 8px;}
.proj-card p{font-size:13.5px;line-height:1.65;color:var(--muted);margin:0;}

/* ---------- skills: meters + grid ---------- */
.meter-group{margin-bottom:32px;}
.meter-group h3{
  font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.06em;
  color:var(--yellow);margin:0 0 14px;text-transform:uppercase;
}
.meter{display:grid;grid-template-columns:180px 1fr;align-items:center;gap:16px;margin-bottom:12px;}
.meter span{font-size:13.5px;color:var(--text);}
.bar{height:6px;background:var(--panel);border:1px solid var(--line);border-radius:4px;overflow:hidden;}
.fill{height:100%;background:var(--yellow);border-radius:4px;}
@media (max-width:560px){ .meter{grid-template-columns:1fr;gap:6px;} }

.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;margin-top:8px;}
.skill-block h3{
  font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.06em;
  color:var(--yellow);margin:0 0 12px;text-transform:uppercase;
}
.skill-block ul{list-style:none;padding:0;margin:0;}
.skill-block li{font-size:13.5px;color:var(--text);opacity:.85;padding:8px 0;border-top:1px solid var(--line);}
.skill-block li:first-of-type{border-top:none;}

/* ---------- education & awards ---------- */
.col-heading{
  font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.06em;
  color:var(--yellow);margin-bottom:14px;text-transform:uppercase;
}
.edu-row, .award-row{
  display:grid;grid-template-columns:100px 1fr;gap:20px;
  padding:16px 0;border-top:1px solid var(--line);
}
.edu-row:first-child, .award-row:first-child{border-top:none;}
.edu-year, .award-year{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--muted);}
.edu-title, .award-title{font-weight:600;font-size:14.5px;color:var(--white);margin-bottom:2px;}
.edu-org, .award-org{font-size:13px;color:var(--muted);}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;}
@media (max-width:680px){
  .two-col{grid-template-columns:1fr;gap:8px;}
  .edu-row,.award-row{grid-template-columns:1fr;gap:4px;}
}

/* ---------- image slider / showcase ---------- */
.showcase{padding:64px 0;border-bottom:1px solid var(--line);}

.slider{
  display:flex;
  gap:16px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scroll-behavior:smooth;
  padding-bottom:8px;
  -ms-overflow-style:none;
  scrollbar-width:none;
}
.slider::-webkit-scrollbar{display:none;}

.slide{
  position:relative;
  flex:0 0 auto;
  width:280px;
  aspect-ratio: 4 / 5;
  border-radius:12px;
  overflow:hidden;
  scroll-snap-align:start;
  border:1px solid var(--line);
  text-decoration:none;
}
.slide img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .3s ease;
}
.slide:hover img{transform:scale(1.05);}

.slide-caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px;
  background:linear-gradient(180deg, transparent, rgba(0,0,0,.85));
  color:var(--white);
  font-family:'JetBrains Mono',monospace;
  font-size:12.5px;
}

.slider-controls{
  display:flex;gap:10px;
  margin-top:16px;
}
.slider-btn{
  width:38px;height:38px;border-radius:8px;
  background:var(--panel);border:1px solid var(--line);color:var(--text);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  transition:border-color .15s ease, color .15s ease;
}
.slider-btn:hover{border-color:var(--yellow);color:var(--yellow);}

/* ---------- blog ---------- */
.blog-list{display:flex;flex-direction:column;gap:2px;}
.blog-item{
  display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  padding:18px 0;border-top:1px solid var(--line);text-decoration:none;color:inherit;
}
.blog-item:first-child{border-top:none;}
.blog-item:hover .blog-title{color:var(--yellow);}
.blog-title{font-weight:600;font-size:15px;color:var(--white);transition:color .15s ease;}
.blog-date{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--muted);white-space:nowrap;}
.blog-empty{font-size:14px;color:var(--muted);padding:18px 0;}

/* ---------- client logo marquee ---------- */
.clients{padding:64px 0;border-bottom:1px solid var(--line);}

.client-marquee{
  width:100%;
  overflow:hidden;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:12px;
  padding:32px 0;
  display:flex;
}
.client-track{
  display:flex;
  align-items:center;
  gap:80px;
  flex-shrink:0;
  padding-right:80px;
  animation:scroll-clients 40s linear infinite;
}
.client-track img{
  height:100px;
  width:auto;
  object-fit:contain;
  filter:grayscale(100%) brightness(1.6);
  opacity:.5;
  transition:opacity .25s ease, filter .25s ease;
}
.client-track img:hover{
  filter:none;
  opacity:1;
}
@keyframes scroll-clients{
  from{transform:translateX(0);}
  to{transform:translateX(-100%);}
}
@media (prefers-reduced-motion: reduce){
  .client-track{animation:none;}
}

/* ---------- contact ---------- */
.contact-lede{font-size:15.5px;line-height:1.7;color:var(--text);opacity:.85;max-width:56ch;margin:0 0 24px;}
.contact-row{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer / social ---------- */
footer{padding:40px 0 56px;}
.footer-top{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;
  padding-bottom:24px;margin-bottom:24px;border-bottom:1px solid var(--line);
}
.social-row{display:flex;flex-wrap:wrap;gap:10px;}
.social-icon{
  width:36px;height:36px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--panel);
  transition:transform .15s ease, border-color .15s ease, background .15s ease;
}
.social-icon:hover, .social-icon:focus-visible{
  transform:translateY(-2px);border-color:var(--yellow);background:var(--yellow-dim);outline:none;
}
.social-icon svg{width:17px;height:17px;fill:var(--text);}
.social-icon:hover svg{fill:var(--yellow);}
.footer-bottom{
  font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--muted);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:60;
  width:46px;height:46px;border-radius:50%;
  background:var(--yellow);color:var(--ink);
  border:none;display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .2s ease, transform .2s ease;
}
.to-top.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.to-top:hover{background:#FFD62E;}
.to-top:focus-visible{outline:2px solid var(--white);outline-offset:2px;}