/* =========================
   PORTOFOLIO – Premium 2026
   Scope: .tbt-portfolio-page
   ========================= */

.tbt-portfolio-page{
  color: rgba(255,255,255,.78);
}

.tbt-portfolio-page a{
  color: inherit;
  text-decoration: none;
}

.tbt-container{
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 0 24px;
}

.tbt-eyebrow{
  color: var(--tbt-accent);
  font-weight: 900;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-size: 12px;
  margin-bottom: 10px;
}

/* HERO */
.tbt-portfolio-hero{
  padding: 54px 0 26px;
  background:
    radial-gradient(1100px 520px at 20% 0%, rgba(247,147,30,.12), transparent 60%),
    radial-gradient(900px 480px at 85% 20%, rgba(255,255,255,.06), transparent 60%);
}

.tbt-portfolio-hero__inner{
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
}

.tbt-portfolio-title{
  color: #fff;
  font-weight: 900;
  font-size: 44px;
  line-height: 1.06;
  margin: 0 0 14px;
}

.tbt-portfolio-lead{
  color: rgba(255,255,255,.74);
  line-height: 1.75;
  margin: 0 auto;
  max-width: 78ch;
}

/* FILTER */
.tbt-portfolio-filter-wrap{
  padding: 10px 0 22px;
}

.tbt-portfolio-filter{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  align-items: center;
}

.tbt-portfolio-filter button{
  appearance: none;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.80);
  padding: 10px 14px;
  border-radius: 14px;
  font-weight: 900;
  font-size: 13px;
  cursor: pointer;
  transition: .2s ease;
  -webkit-tap-highlight-color: transparent;
}

.tbt-portfolio-filter button:hover{
  border-color: rgba(247,147,30,.35);
  transform: translateY(-1px);
}

.tbt-portfolio-filter button.active{
  background: var(--tbt-accent);
  color: var(--tbt-dark);
  border-color: rgba(247,147,30,.28);
  box-shadow: 0 10px 30px rgba(247,147,30,.20);
}

.tbt-portfolio-note{
  margin-top: 12px;
  text-align: center;
  color: rgba(255,255,255,.55);
  font-size: 13px;
}

/* Section head (reuse style) */
.tbt-section-head{
  margin-bottom: 14px;
}

.tbt-h2{
  color:#fff;
  font-weight: 900;
  font-size: 28px;
  line-height: 1.18;
  margin: 0 0 8px;
}

.tbt-sub{
  color: rgba(255,255,255,.70);
  line-height: 1.65;
  margin: 0;
  max-width: 75ch;
}

/* SECTIONS */
.tbt-portfolio-section{
  padding: 26px 0;
}

/* GRID */
.tbt-portfolio-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 14px;
}

.tbt-portfolio-item{
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  cursor: pointer;
  box-shadow: 0 18px 60px rgba(0,0,0,.35);
  transform: translateZ(0);
}

.tbt-portfolio-item img{
  width: 100%;
  height: 260px;
  display: block;
  object-fit: cover;
  transition: transform .6s ease;
}

/* soft overlay */
.tbt-portfolio-item::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,.68));
  opacity: .9;
  pointer-events:none;
}

.tbt-portfolio-item:hover img{
  transform: scale(1.06);
}

/* caption */
.tbt-portfolio-item figcaption{
  position:absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  color: rgba(255,255,255,.90);
  font-weight: 900;
  font-size: 13px;
  letter-spacing: .02em;
  z-index: 2;
  text-shadow: 0 6px 18px rgba(0,0,0,.55);
}

/* hidden (filter) */
.tbt-portfolio-item.is-hidden{
  display: none !important;
}

/* CTA */
.tbt-portfolio-cta{
  padding: 18px 0 62px;
}

.tbt-portfolio-cta__inner{
  border-radius: 26px;
  border: 1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(900px 360px at 20% 0%, rgba(247,147,30,.12), transparent 60%),
    rgba(255,255,255,.03);
  padding: 18px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.tbt-cta-title{
  color:#fff;
  font-weight: 900;
  font-size: 22px;
  line-height: 1.25;
  margin: 6px 0 6px;
}

.tbt-cta-sub{
  color: rgba(255,255,255,.68);
  line-height: 1.6;
}

.tbt-portfolio-cta__actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Buttons (use your global if exists; safe fallbacks) */
.tbt-btn-primary,
.tbt-btn-primary:visited{
  display:inline-flex; align-items:center; justify-content:center;
  height: 46px; padding: 0 18px; border-radius: 14px;
  background: var(--tbt-accent);
  color:#0b0b0b !important;
  font-weight: 900;
  border: 1px solid rgba(247,147,30,.20);
  transition: .2s ease;
}
.tbt-btn-primary:hover{ filter: brightness(.96); transform: translateY(-1px); }

.tbt-btn-ghost,
.tbt-btn-ghost:visited{
  display:inline-flex; align-items:center; justify-content:center;
  height: 46px; padding: 0 18px; border-radius: 14px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.88) !important;
  font-weight: 900;
  transition: .2s ease;
}
.tbt-btn-ghost:hover{ border-color: rgba(247,147,30,.35); transform: translateY(-1px); }

/* LIGHTBOX */
.tbt-lightbox{
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: none;
}

.tbt-lightbox.is-open{
  display: grid;
  place-items: center;
}

.tbt-lightbox__backdrop{
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.86);
  backdrop-filter: blur(6px);
}

.tbt-lightbox__panel{
  position: relative;
  width: min(980px, 92vw);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 30px 120px rgba(0,0,0,.70);
  background: rgba(10,10,10,.85);
  z-index: 2;
}

.tbt-lightbox__img{
  width: 100%;
  height: min(70vh, 680px);
  object-fit: contain;
  display: block;
  background: rgba(0,0,0,.35);
}

.tbt-lightbox__meta{
  padding: 12px 14px;
  display:flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,.08);
}

.tbt-lightbox__caption{
  color: rgba(255,255,255,.85);
  font-weight: 900;
  font-size: 13px;
  line-height: 1.3;
}

.tbt-lightbox__controls{
  display:flex;
  gap: 10px;
  align-items:center;
}

.tbt-lb-btn{
  width: 40px;
  height: 40px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.85);
  font-weight: 900;
  cursor: pointer;
  transition: .2s ease;
  -webkit-tap-highlight-color: transparent;
}

.tbt-lb-btn:hover{
  border-color: rgba(247,147,30,.35);
  color: var(--tbt-accent);
  transform: translateY(-1px);
}

/* Responsive */
@media (max-width: 980px){
  .tbt-portfolio-title{ font-size: 34px; }
  .tbt-portfolio-grid{ grid-template-columns: repeat(2, 1fr); }
  .tbt-portfolio-item img{ height: 230px; }
}

@media (max-width: 560px){
  .tbt-portfolio-grid{ grid-template-columns: 1fr; }
  .tbt-portfolio-item img{ height: 240px; }
  .tbt-cta-title{ font-size: 20px; }
}