/* Katleho Portfolio (single page)
   - Two screenshot slots per project card
   - Projects auto-load from GitHub API
*/
:root{
  --bg:#f5f6fb;
  --bg-alt:#ffffff;
  --sidebar-bg:#101118;
  --accent:#ff6b4a;
  --text:#151515;
  --muted:#666a73;
  --border:#e1e3ea;
  --radius-lg:20px;
  --shadow-soft:0 18px 35px rgba(15,18,23,.08);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Poppins",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background: radial-gradient(circle at top left, #fef3f0 0, #f5f6fb 40%, #edf0ff 100%);
  color:var(--text);
}
a{color:inherit;text-decoration:none;}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,"Courier New",monospace;font-size:.92em;}

.layout{min-height:100vh;display:flex;}

/* SIDEBAR */
.sidebar{
  position:sticky;top:0;align-self:flex-start;
  min-height:100vh;width:280px;
  background: radial-gradient(circle at top, #212331 0, #101118 60%, #05050a 100%);
  color:#fff;padding:32px 24px;
}
.sidebar-inner{display:flex;flex-direction:column;height:100%;}
.avatar{width:120px;height:120px;border-radius:50%;overflow:hidden;margin-bottom:16px;border:2px solid rgba(255,255,255,.18);}
.avatar img{width:100%;height:100%;object-fit:cover;}
.name{margin:0 0 4px;font-size:1.35rem;font-weight:650;}
.role{margin:0 0 24px;font-size:.9rem;color:rgba(255,255,255,.72);}

.nav{display:flex;flex-direction:column;gap:6px;margin-bottom:24px;}
.nav-link{
  font-size:.9rem;padding:6px 0;
  border-left:2px solid transparent;
  color:rgba(255,255,255,.75);
  transition:all .2s ease;
}
.nav-link:hover,.nav-link.active{border-left-color:var(--accent);color:#fff;}

.sidebar-footer{margin-top:auto;}
.socials{display:flex;gap:8px;margin-bottom:16px;}
.socials a{
  width:28px;height:28px;border-radius:50%;
  border:1px solid rgba(255,255,255,.2);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:.7rem;text-transform:uppercase;
}

/* MAIN */
.content{flex:1;padding:40px 56px;}
.section{
  position:relative;
  background:var(--bg-alt);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft);
  padding:40px 40px 32px;
  margin-bottom:32px;
}
.section-alt{background:#fff;}
.section-header{margin-bottom:24px;}
.section-header h2{margin:0;font-size:1.5rem;}
.section-header p{
  margin:4px 0 0;
  font-size:.8rem;
  text-transform:uppercase;
  letter-spacing:.12em;
  color:var(--muted);
}
.section-body{font-size:.95rem;color:var(--muted);}

.hero{overflow:hidden;}
.hero-inner{max-width:700px;position:relative;z-index:2;}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;color:var(--accent);font-size:.8rem;margin-bottom:8px;}
.hero-title{font-size:2.35rem;line-height:1.15;margin:0 0 16px;}
.hero-text{margin:0 0 24px;color:var(--muted);}

.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:14px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;font-size:.75rem;color:var(--muted);}
.hero-tags span{padding:4px 10px;border-radius:999px;border:1px solid var(--border);background:#fbfbff;}

.hero-orbit{
  position:absolute;right:-60px;top:-40px;width:260px;height:260px;border-radius:50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), transparent),
    conic-gradient(from 180deg, rgba(255,107,74,.3), rgba(102,153,255,.2), rgba(255,107,74,.3));
  filter: blur(.2px);
  opacity:.9;
  animation: hero-orbit 18s linear infinite;
}
@keyframes hero-orbit{
  0%{transform:translate3d(0,0,0) rotate(0deg);}
  50%{transform:translate3d(-10px,10px,0) rotate(180deg);}
  100%{transform:translate3d(0,0,0) rotate(360deg);}
}

/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 20px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:.9rem;border:none;cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  box-shadow:0 10px 20px rgba(255,107,74,.35);
}
.btn:hover{transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,107,74,.4);}
.btn-ghost{background:transparent;color:var(--accent);border:1px solid rgba(255,107,74,.4);box-shadow:none;}
.btn-ghost:hover{background:rgba(255,107,74,.08);box-shadow:none;}
.btn-outline{width:100%;background:transparent;border:1px solid rgba(255,255,255,.28);box-shadow:none;color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.04);}
.btn-small{padding:8px 14px;font-size:.86rem;box-shadow:none;}
.btn-small:hover{box-shadow:none;}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.72rem;
  padding:4px 10px;border-radius:999px;
  border:1px solid var(--border);
  background:#fbfbff;color:var(--muted);
}
.pill.strong{border-color:rgba(255,107,74,.35);color:#111;background:rgba(255,107,74,.08);}

.muted{color:var(--muted);}
.small{font-size:.85rem;}

/* LAYOUT HELPERS */
.two-column{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1.2fr);gap:32px;}
.about-meta ul{list-style:none;padding:0;margin:0;font-size:.9rem;}
.about-meta li{margin-bottom:6px;}

/* CARDS */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;}
.card{padding:18px 18px 20px;border-radius:16px;border:1px solid var(--border);background:#fff;}
.card h3{margin:0 0 8px;font-size:1.05rem;}
.card p{margin:0;font-size:.9rem;color:var(--muted);}

/* SKILLS */
.skills-grid{display:grid;gap:16px;}
.skill-label{display:flex;justify-content:space-between;font-size:.85rem;margin-bottom:4px;}
.skill-bar{width:100%;height:6px;border-radius:999px;background:#eceff5;overflow:hidden;}
.skill-bar span{display:block;height:100%;border-radius:inherit;background:var(--accent);}

/* TIMELINE */
.timeline{position:relative;padding-left:22px;border-left:2px solid #e0e3eb;}
.timeline-item{position:relative;margin-bottom:22px;}
.timeline-dot{position:absolute;left:-11px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--accent);}
.timeline-content h3{margin:0 0 4px;font-size:1rem;}
.timeline-date{display:block;font-size:.8rem;color:var(--muted);margin-bottom:6px;}
.timeline-content p{margin:0;font-size:.9rem;color:var(--muted);}

/* PROJECTS */
.projects-toolbar{
  display:flex;gap:12px;align-items:center;justify-content:space-between;
  margin-bottom:16px;flex-wrap:wrap;
}
.chips{display:flex;gap:8px;flex-wrap:wrap;}
.chip{
  padding:7px 12px;border-radius:999px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--muted);
  cursor:pointer;
  transition:transform .08s ease, background .12s ease, border-color .12s ease;
  font-size:.86rem;
}
.chip:hover{transform:translateY(-1px);}
.chip.active{border-color:rgba(255,107,74,.45);background:rgba(255,107,74,.08);color:#111;}
.search input{
  width:min(320px, 80vw);
  padding:10px 12px;border-radius:12px;
  border:1px solid var(--border);
  font:inherit;font-size:.92rem;
  outline:none;
}
.search input:focus{border-color:rgba(255,107,74,.55);box-shadow:0 0 0 1px rgba(255,107,74,.22);}

.projects-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:20px;
}

.project-card{
  border:1px solid var(--border);
  background:#fff;
  border-radius:18px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:14px;
}
.project-card.featured{
  border-color:rgba(255,107,74,.45);
  box-shadow:0 10px 28px rgba(255,107,74,.14);
}
.project-top h3{margin:0;font-size:1.03rem;}
.project-title{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.project-desc{margin:6px 0 0;color:var(--muted);font-size:.9rem;line-height:1.5;}
.project-meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;}

.project-images{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  margin-top:6px;
}
.project-img{
  width:100%;
  height:120px;
  object-fit:cover;
  border-radius:14px;
  border:1px solid var(--border);
  background:#f3f4f6;
}
.project-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:auto;}

/* CONTACT */
.contact-meta{list-style:none;padding:0;margin:16px 0 0;font-size:.9rem;color:var(--muted);}
.contact-meta li + li{margin-top:4px;}
.contact-form{display:grid;gap:12px;}
.form-row input,.form-row textarea{
  width:100%;
  border-radius:10px;border:1px solid var(--border);
  padding:9px 11px;
  font:inherit;font-size:.9rem;
  outline:none;
  transition:border .15s ease, box-shadow .15s ease;
  resize:vertical;
}
.form-row input:focus,.form-row textarea:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 1px rgba(255,107,74,.25);
}

.footer{text-align:center;font-size:.8rem;color:var(--muted);padding:10px 0 0;}

/* MODAL */
.modal{position:fixed;inset:0;display:none;z-index:50;}
.modal[aria-hidden="false"]{display:block;}
.modal-backdrop{position:absolute;inset:0;background:rgba(10,12,18,.55);backdrop-filter:blur(4px);}
.modal-panel{
  position:relative;
  max-width:860px;
  width:calc(100% - 28px);
  margin:40px auto;
  background:#fff;
  border-radius:20px;
  border:1px solid rgba(255,255,255,.2);
  box-shadow:0 20px 60px rgba(0,0,0,.25);
  padding:18px 18px 16px;
}
.modal-close{
  position:absolute;right:14px;top:14px;
  width:38px;height:38px;border-radius:12px;
  border:1px solid var(--border);
  background:#fff;
  cursor:pointer;
}
.modal-header{padding-right:48px;}
.modal-header h3{margin:0 0 8px;font-size:1.2rem;}
.modal-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;}
.modal-desc{color:var(--muted);margin:14px 0 12px;line-height:1.55;}

.modal-images{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin:10px 0 14px;
}
.modal-images img{
  width:100%;
  height:240px;
  object-fit:cover;
  border-radius:16px;
  border:1px solid var(--border);
  background:#f3f4f6;
}
.modal-actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:8px;}

/* REVEAL */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease-out, transform .6s ease-out;will-change:opacity,transform;}
.reveal.in-view{opacity:1;transform:translateY(0);}

/* RESPONSIVE */
@media (max-width: 960px){
  .layout{flex-direction:column;}
  .sidebar{position:static;width:100%;min-height:auto;border-radius:0 0 var(--radius-lg) var(--radius-lg);margin-bottom:16px;}
  .sidebar-inner{align-items:center;}
  .nav{flex-direction:row;flex-wrap:wrap;justify-content:center;gap:12px;}
  .nav-link{border-left:none;border-bottom:2px solid transparent;padding:4px 0;}
  .nav-link:hover,.nav-link.active{border-bottom-color:var(--accent);}
  .sidebar-footer{width:100%;}
  .content{padding:22px 16px 32px;}
}

@media (max-width: 720px){
  .section{padding:24px 20px 20px;}
  .two-column{grid-template-columns:1fr;}
  .hero-title{font-size:2rem;}
  .project-images{grid-template-columns:1fr;}
  .project-img{height:160px;}
  .modal-images{grid-template-columns:1fr;}
  .modal-images img{height:220px;}
}

.skills-groups{
  display:grid;
  gap:20px;
}

.skills-group{
  padding:20px 0;
  border-bottom:1px solid var(--border);
}

.skills-group:last-child{
  border-bottom:none;
  padding-bottom:0;
}

.skills-group h3{
  margin:0 0 12px;
  font-size:1rem;
}

.skills-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.skills-tags span{
  display:inline-flex;
  align-items:center;
  padding:8px 14px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fbfbff;
  color:var(--muted);
  font-size:.88rem;
  line-height:1;
}

.section-header.centered{
  text-align:center;
}

.about-showcase{
  display:grid;
  grid-template-columns:minmax(0, 1.1fr) minmax(0, 1fr);
  gap:48px;
  align-items:start;
}

.about-left h3{
  margin:0 0 18px;
  font-size:1.5rem;
}

.about-left p{
  margin:0 0 18px;
  color:var(--muted);
  line-height:1.8;
  font-size:.96rem;
}

.about-right{
  display:grid;
  gap:28px;
}

.about-skill-block h4{
  margin:0 0 12px;
  font-size:1rem;
}

.about-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.about-tags span{
  display:inline-flex;
  align-items:center;
  padding:8px 14px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fbfbff;
  color:var(--text);
  font-size:.88rem;
  line-height:1;
}

@media (max-width: 960px){
  .about-showcase{
    grid-template-columns:1fr;
    gap:32px;
  }
}

.about-intro-block{
  max-width:780px;
  margin-bottom:28px;
}

.about-intro-block p{
  margin:0;
  font-size:1.02rem;
  line-height:1.8;
  color:var(--text);
}

.about-layout{
  display:grid;
  grid-template-columns:minmax(0, 1.2fr) minmax(0, 1fr);
  gap:36px;
  align-items:start;
}

.about-story h3,
.about-toolkit h3{
  margin:0 0 16px;
  font-size:1.1rem;
}

.about-story p{
  margin:0 0 16px;
  color:var(--muted);
  line-height:1.75;
  font-size:.95rem;
}

.about-toolkit{
  padding:22px;
  border:1px solid var(--border);
  border-radius:18px;
  background:linear-gradient(180deg, #fff 0%, #fbfbff 100%);
}

.toolkit-group + .toolkit-group{
  margin-top:18px;
}

.toolkit-label{
  display:block;
  margin-bottom:10px;
  font-size:.82rem;
  text-transform:uppercase;
  letter-spacing:.12em;
  color:var(--muted);
}

.toolkit-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.toolkit-tags span{
  display:inline-flex;
  align-items:center;
  padding:8px 13px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text);
  font-size:.86rem;
  line-height:1;
}

@media (max-width: 960px){
  .about-layout{
    grid-template-columns:1fr;
  }

  .about-toolkit{
    padding:18px;
  }
}
.project-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

.project-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.project-img:hover {
  transform: scale(1.03);
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.project-images a {
  display: block;
  overflow: hidden;
  border-radius: 12px;
}

.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.85);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 999;
}

.lightbox img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.contact-simple{
  max-width: 900px;
}

.contact-intro{
  margin: 0 0 24px;
  color: var(--muted);
  line-height: 1.7;
  font-size: .96rem;
}

.contact-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.contact-item{
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
}

.contact-label{
  display: block;
  margin-bottom: 6px;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted);
}

.contact-item a,
.contact-item span{
  font-size: .95rem;
  color: var(--text);
  word-break: break-word;
}

.contact-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 720px){
  .contact-grid{
    grid-template-columns: 1fr;
  }
}

.socials{
  display:flex;
  gap:10px;
  margin-bottom:16px;
}

.socials a{
  width:36px;
  height:36px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  transition:all .2s ease;
  background:rgba(255,255,255,.03);
}

.socials a:hover{
  transform:translateY(-2px);
  border-color:rgba(255,255,255,.35);
  background:rgba(255,255,255,.08);
}

.socials svg{
  width:17px;
  height:17px;
  fill:currentColor;
}

.role{
  margin:0 0 24px;
  font-size:.88rem;
  line-height:1.55;
  color:rgba(255,255,255,.72);
}