/* ==========================================================================
   sobhankj — portfolio styles
   Dark, hairline-border, low-radius aesthetic. No card shadows, no heavy
   rounding. Design tokens live in :root below.
   ========================================================================== */

:root{
  --ink:#0B0E13;
  --ink-2:#111620;
  --ink-3:#161C27;
  --line:rgba(237,239,244,0.12);
  --line-soft:rgba(237,239,244,0.06);
  --paper:#EDEFF4;
  --muted:#8B93A3;
  --accent:#F2A93B;
  --accent-dim:#8C6420;
  --maxw:1120px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}

body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:'IBM Plex Sans', sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{
  font-family:'Bricolage Grotesque', sans-serif;
  font-weight:700;
  margin:0;
  letter-spacing:-0.01em;
}

.mono{
  font-family:'IBM Plex Mono', monospace;
}

a{ color:inherit; }

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
  padding-bottom: 20px;
}

section{
  padding:96px 0;
  border-bottom:1px solid var(--line-soft);
}

/* --------------------------------------------------------------------------
   skip link
   -------------------------------------------------------------------------- */
.skip-link{
  position:absolute;
  top:-100%;
  left:16px;
  z-index:100;
  background:var(--accent);
  color:var(--ink);
  font-family:'IBM Plex Mono', monospace;
  font-size:13px;
  padding:10px 16px;
  transition:top .15s ease;
}
.skip-link:focus{ top:16px; }

/* --------------------------------------------------------------------------
   nav
   -------------------------------------------------------------------------- */
header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(11,14,19,0.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-soft);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 24px;
  max-width:var(--maxw);
  margin:0 auto;
}
.brand{
  font-family:'IBM Plex Mono', monospace;
  font-size:15px;
  color:var(--paper);
  text-decoration:none;
  display:flex;
  align-items:center;
  gap:8px;
}
.brand .dot{ color:var(--accent); }
.brand-icon{
  display:block;
  width:28px;
  height:28px;
  border-radius:6px;
  flex-shrink:0;
}
.navlinks{
  display:flex;
  gap:28px;
  list-style:none;
  margin:0;
  padding:0;
}
.navlinks a{
  text-decoration:none;
  color:var(--muted);
  font-size:14.5px;
  transition:color .15s ease;
}
.navlinks a:hover{ color:var(--paper); }
.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--line);
  color:var(--paper);
  padding:8px 12px;
  font-family:'IBM Plex Mono', monospace;
  font-size:13px;
  cursor:pointer;
}

@media (max-width:760px){
  .navlinks{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:var(--ink);
    border-bottom:1px solid var(--line);
    flex-direction:column;
    gap:0;
    display:none;
  }
  .navlinks.open{ display:flex; }
  .navlinks a{
    padding:14px 24px;
    border-top:1px solid var(--line-soft);
    display:block;
  }
  .nav-toggle{ display:block; }
}

/* --------------------------------------------------------------------------
   hero
   -------------------------------------------------------------------------- */
.hero{
  position:relative;
  padding:64px 0 88px;
  overflow:hidden;
  border-bottom:1px solid var(--line-soft);
}
#hero-canvas{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  z-index:0;
  opacity:0.65;
}
.hero-inner{
  position:relative;
  z-index:1;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.2fr 0.8fr;
  gap:48px;
  align-items:center;
}
.hero-photo{
  position:relative;
  justify-self:end;
  width:100%;
  max-width:320px;
}
.hero-photo::before{
  content:"";
  position:absolute;
  top:16px;
  left:16px;
  width:100%;
  height:100%;
  border:1px solid var(--accent-dim);
  z-index:0;
}
.hero-photo img{
  position:relative;
  z-index:1;
  display:block;
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  object-position:top center;
  border:1px solid var(--line);
  background:var(--ink-2);
}

@media (max-width:820px){
  .hero {
    padding: 40px 0 60px;
  }
  .hero-grid{
    grid-template-columns:1fr;
    gap:36px;
  }
  .hero-photo{
    order:-1;
    justify-self:center;
    max-width:220px;
  }
}

.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:'IBM Plex Mono', monospace;
  font-size:13px;
  color:var(--accent);
  border:1px solid var(--accent-dim);
  padding:5px 10px;
  margin-bottom:28px;
}
.hero-tag::before{
  content:"";
  width:6px;
  height:6px;
  background:var(--accent);
  display:inline-block;
}
.hero h1{
  font-size:clamp(40px, 7vw, 76px);
  line-height:1.02;
  max-width:16ch;
}
.hero p.lede{
  max-width:52ch;
  color:var(--muted);
  font-size:18px;
  margin-top:24px;
}
.hero-links{
  display:flex;
  gap:14px;
  margin-top:36px;
  flex-wrap:wrap;
}
.btn{
  font-family:'IBM Plex Mono', monospace;
  font-size:14px;
  text-decoration:none;
  padding:12px 20px;
  border:1px solid var(--line);
  color:var(--paper);
  transition:border-color .15s ease, color .15s ease;
  display:inline-block;
}
.btn.primary{
  background:var(--accent);
  border-color:var(--accent);
  color:var(--ink);
}
.btn.primary:hover{ background:#f7bb5c; border-color:#f7bb5c; }
.btn:not(.primary):hover{ border-color:var(--accent); color:var(--accent); }

/* --------------------------------------------------------------------------
   section heads
   -------------------------------------------------------------------------- */
.section-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  margin-bottom:48px;
  gap:24px;
  flex-wrap:wrap;
}
.section-head h2{ font-size:clamp(28px,4vw,38px); }
.section-num{
  font-family:'IBM Plex Mono', monospace;
  color:var(--muted);
  font-size:14px;
}

/* --------------------------------------------------------------------------
   about
   -------------------------------------------------------------------------- */
.about-grid{
  display:grid;
  grid-template-columns:1.3fr 1fr;
  gap:64px;
}
.about-grid p{
  color:var(--muted);
  font-size:17px;
  max-width:56ch;
}
.about-grid p + p{ margin-top:18px; }
.facts{
  border-top:1px solid var(--line);
}
.facts dl{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:14px 20px;
  margin:0;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.facts dt{
  font-family:'IBM Plex Mono', monospace;
  font-size:13px;
  color:var(--muted);
  white-space:nowrap;
}
.facts dd{ margin:0; font-size:15px; }

.cycle{
  margin-top:56px;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:0;
  font-family:'IBM Plex Mono', monospace;
  font-size:15px;
  color:var(--paper);
}
.cycle span.step{ padding:8px 4px; }
.cycle span.arrow{ color:var(--accent); padding:0 10px; }

@media (max-width:820px){
  .about-grid{ grid-template-columns:1fr; gap:40px; }
}

/* --------------------------------------------------------------------------
   path / timeline
   -------------------------------------------------------------------------- */
.path{
  display:flex;
  flex-wrap:wrap;
  gap:12px 0;
  align-items:center;
  margin-bottom:64px;
  font-family:'IBM Plex Mono', monospace;
}
.path .node{
  padding:10px 16px;
  border:1px solid var(--line);
  font-size:14px;
}
.path .node.now{ border-color:var(--accent); color:var(--accent); }
.path .arrow{ padding:0 10px; color:var(--muted); }

.timeline{
  list-style:none;
  margin:0;
  padding:0;
  border-top:1px solid var(--line);
}
.timeline li{
  display:grid;
  grid-template-columns:110px 1fr;
  gap:24px;
  padding:24px 0;
  border-bottom:1px solid var(--line);
}
.timeline time{
  font-family:'IBM Plex Mono', monospace;
  color:var(--accent);
  font-size:14px;
}
.timeline h3{ font-size:18px; margin-bottom:6px; }
.timeline p{ margin:0; color:var(--muted); font-size:15px; max-width:56ch; }

@media (max-width:600px){
  .timeline li{ grid-template-columns:1fr; gap:8px; }
}

/* --------------------------------------------------------------------------
   stack
   -------------------------------------------------------------------------- */
.stack-group + .stack-group{ margin-top:36px; }
.stack-group h3{
  font-family:'IBM Plex Mono', monospace;
  font-size:13px;
  color:var(--muted);
  font-weight:500;
  margin-bottom:14px;
}
.tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:'IBM Plex Mono', monospace;
  font-size:13.5px;
  padding:7px 12px;
  border:1px solid var(--line);
  color:var(--paper);
}
.tag-icon{
  width:18px;
  height:18px;
  border-radius:4px;
  display:block;
  flex-shrink:0;
}

/* --------------------------------------------------------------------------
   projects
   -------------------------------------------------------------------------- */
.project-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.project-card{
  background:var(--ink);
  display:flex;
  flex-direction:column;
}
.project-image{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  display:block;
  border-bottom:1px solid var(--line);
}
.project-body{
  padding:28px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.project-body h3{ font-size:21px; margin-bottom:10px; }
.project-body p{
  color:var(--muted);
  font-size:15px;
  margin:0 0 22px 0;
  flex:1;
}
.project-body p:last-child{ margin-bottom:0; }
.project-body .btn{ align-self:flex-start; }

.section-note{
  color:var(--muted);
  font-size:17px;
  max-width:62ch;
  margin:40px 0 0;
  line-height:1.7;
}

@media (max-width:760px){
  .project-grid{ grid-template-columns:1fr; }
}

/* --------------------------------------------------------------------------
   contact
   -------------------------------------------------------------------------- */
#contact{ border-bottom:none; }
.contact-lede{
  color:var(--muted);
  margin-top:18px;
  max-width:44ch;
}
.contact-grid{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:64px;
}
.contact-grid h2{ font-size:clamp(28px,5vw,44px); max-width:14ch; }
.contact-list{
  list-style:none;
  margin:0;
  padding:0;
  border-top:1px solid var(--line);
}
.contact-list li{
  border-bottom:1px solid var(--line);
}
.contact-list a{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:18px 4px;
  text-decoration:none;
  font-size:16px;
  transition:color .15s ease;
}
.contact-list a:hover{ color:var(--accent); }
.contact-list .via{
  font-family:'IBM Plex Mono', monospace;
  font-size:13px;
  color:var(--muted);
}

@media (max-width:820px){
  .contact-grid{ grid-template-columns:1fr; gap:36px; }
}

footer{
  padding:32px 0;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-family:'IBM Plex Mono', monospace;
  font-size:13px;
  color:var(--muted);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:8px;
}
.footer-brand .brand-icon{
  width:20px;
  height:20px;
  border-radius:4px;
}

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}