:root{
  --gold:#d4af37;
  --black:#0f0f10;
}

/* =========================
   Prevent mobile overflow
   ========================= */
html, body{
  max-width: 100%;
  overflow-x: hidden;
}

img{
  max-width: 100%;
  height: auto;
}

/* =========================
   Global helpers
   ========================= */
.bg-black{ background: var(--black) !important; }
.text-gold{ color: var(--gold) !important; }
.border-gold{ border-color: rgba(212,175,55,.35) !important; }

.card{
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 16px;
  overflow: hidden;
}

.btn-gold{
  background: var(--gold);
  border-color: var(--gold);
  color: #111;
  font-weight: 600;
}
.btn-gold:hover{ filter: brightness(.95); }

.lift{
  transition: transform .15s ease, box-shadow .15s ease;
}
.lift:hover{
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0,0,0,.12);
}

.cta-strip{
  border-top: 1px solid rgba(0,0,0,.08);
  padding-top: 22px;
}

/* =========================
   Home hero
   ========================= */
.hero{
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(15,15,16,.92), rgba(15,15,16,.70)),
              url('/assets/images/hero-steel.jpg');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 56px 28px;
}

.badge-gold{
  display:inline-flex;
  gap:.5rem;
  align-items:center;
  padding:.4rem .75rem;
  border-radius: 999px;
  background: rgba(212,175,55,.12);
  border: 1px solid rgba(212,175,55,.28);
  color: rgba(255,255,255,.85);
  font-weight: 600;
  letter-spacing:.2px;
}

.hero-card{
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px;
  padding: 22px;
  backdrop-filter: blur(8px);
  overflow: hidden;
}

.hero-card *{
  overflow-wrap: anywhere;
  word-break: break-word;
}

.dot-gold{
  width:10px;height:10px;border-radius:999px;
  background: rgba(212,175,55,.9);
  margin-top: .35rem;
  flex: 0 0 auto;
}

.stat-pill{
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 999px;
  padding: .55rem .85rem;
}
.stat-number{ font-weight: 700; color:#fff; line-height:1; }
.stat-label{ font-size: .8rem; }

.icon-chip{
  width: 44px; height: 44px;
  border-radius: 14px;
  display:flex;align-items:center;justify-content:center;
  background: rgba(212,175,55,.12);
  border: 1px solid rgba(212,175,55,.25);
  font-size: 20px;
}

/* =========================
   Hero logo responsive
   ========================= */
.hero-logo{
  display:block;
  max-width:100%;
  width:100%;
  height:auto;
  max-height:clamp(44px,9vw,70px);
  object-fit:contain;
}

@media (max-width:576px){
  .hero{ padding:34px 18px; }
  .hero-logo{
    width:85%;
    margin:0 auto;
  }
}

/* =========================
   Gallery images
   ========================= */
.thumb{
  aspect-ratio: 16/10;
  background:#111;
  overflow:hidden;
}

/* =========================
   About page
   ========================= */
.about-hero{
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(15,15,16,.92), rgba(15,15,16,.70)),
              url('/assets/images/about-steel.jpg');
  background-size: cover;
  background-position: center;
  color: #fff;
}

.badge-dark{
  display:inline-flex;
  padding:.4rem .75rem;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.85);
  font-weight: 600;
}

.about-card{
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px;
  padding: 22px;
  backdrop-filter: blur(8px);
}

.mini-kpi{
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 16px;
  padding: 12px;
}

.mini-kpi-title{ font-weight:700; color:#fff; line-height:1; }
.mini-kpi-sub{ font-size:.85rem; color:rgba(255,255,255,.65); }

.pill{
  background: rgba(212,175,55,.10);
  border: 1px solid rgba(212,175,55,.22);
  padding:.6rem .8rem;
  border-radius:999px;
  font-weight:600;
  font-size:.9rem;
  text-align:center;
}

.step-num{
  font-weight:800;
  letter-spacing:.08em;
  color: rgba(212,175,55,.85);
}

/* =========================
   WhatsApp Floating Button
   ========================= */
.wa-float{
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9999;
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 999px;
  background: rgba(15,15,16,.92);
  border: 1px solid rgba(212,175,55,.30);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(0,0,0,.18);
  transition: background .2s ease, border-color .2s ease;
}

.wa-float:hover{
  background:#25D366;
  border-color:#25D366;
  color:#fff;
}

.wa-dot{
  width:10px;
  height:10px;
  border-radius:999px;
  background: rgba(212,175,55,.95);
  box-shadow:0 0 0 6px rgba(212,175,55,.14);
}

/* =========================
   Project thumbnails
   ========================= */
.thumb-fade-wrap{
  position: relative;
}

.thumb-strip-scroll{
  display:flex;
  flex-wrap:nowrap;
  gap:10px;
  overflow-x:auto;
  overflow-y:hidden;
  padding:0 10px 6px 10px;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
  position:relative;
  z-index:1;
}

.thumb-strip-scroll::-webkit-scrollbar{ height:8px; }
.thumb-strip-scroll::-webkit-scrollbar-thumb{
  background:rgba(0,0,0,.18);
  border-radius:999px;
}

.thumb-btn{
  flex:0 0 auto;
  width:88px;
  height:56px;
  border:2px solid rgba(0,0,0,.10);
  background:#fff;
  padding:0;
  border-radius:12px;
  overflow:hidden;
  cursor:pointer;
  display:inline-flex;
  align-items:stretch;
  justify-content:stretch;
  transition:transform .12s ease,border-color .12s ease,box-shadow .12s ease;
}

.thumb-btn img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

.thumb-btn:hover{
  transform:translateY(-1px);
  border-color:rgba(212,175,55,.45);
  box-shadow:0 10px 18px rgba(0,0,0,.10);
}

.thumb-btn.is-active{
  border-color:rgba(212,175,55,.95);
  box-shadow:0 0 0 4px rgba(212,175,55,.18);
}

/* Fade edges */
.thumb-fade{
  position:absolute;
  top:0;
  bottom:0;
  width:34px;
  pointer-events:none;
  z-index:2;
}

.thumb-fade.left{
  left:0;
  background:linear-gradient(to right, rgba(255,255,255,1), rgba(255,255,255,0));
}

.thumb-fade.right{
  right:0;
  background:linear-gradient(to left, rgba(255,255,255,1), rgba(255,255,255,0));
}

/* =========================
   Lightbox
   ========================= */
.lb{
  position:fixed;
  inset:0;
  display:none;
  z-index:99999;
}
.lb.is-open{ display:block; }

.lb-backdrop{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,.78);
}

.lb-panel{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:18px;
}

.lb-image{
  max-width:min(1100px,92vw);
  max-height:82vh;
  border-radius:16px;
  box-shadow:0 18px 50px rgba(0,0,0,.35);
  user-select:none;
  touch-action:pan-y;
}

.lb-close{
  position:absolute;
  top:14px;
  right:18px;
  width:44px;
  height:44px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(15,15,16,.65);
  color:#fff;
  font-size:28px;
  line-height:1;
  cursor:pointer;
}

.lb-nav{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:44px;
  height:44px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(15,15,16,.55);
  color:#fff;
  font-size:22px;
  cursor:pointer;
}

.lb-prev{ left:18px; }
.lb-next{ right:18px; }

.lb-caption{
  position:absolute;
  bottom:14px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  gap:14px;
  align-items:center;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(15,15,16,.55);
  border:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.85);
  font-size:14px;
}

.lb-hint{
  color:rgba(212,175,55,.85);
  font-weight:700;
}

.lb-lock{ overflow:hidden; }