/* SMART INTERIOR – Portfolio Page CSS (Gold Theme) */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Inter',sans-serif;color:#1a1a1a;background:#fff;overflow-x:hidden;line-height:1.6;}
img{max-width:100%;display:block;object-fit:cover;}a{text-decoration:none;color:inherit;}ul{list-style:none;}

:root{
  --gold:#C8900A;--gold-dark:#A07008;--gold-light:#E8A820;
  --dark:#0d0d0d;--dark2:#1a1a1a;--gray:#6b7280;--gray-light:#f5f5f3;
  --white:#ffffff;--border:rgba(0,0,0,0.08);
  --shadow:0 4px 24px rgba(0,0,0,0.09);--shadow-lg:0 16px 54px rgba(0,0,0,0.16);
  --radius:12px;--radius-lg:16px;--transition:all 0.35s cubic-bezier(0.4,0,0.2,1);
}

/* NAVBAR */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:13px 0;background:rgba(10,10,10,0.60);backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,0.06);transition:var(--transition);}
.navbar.scrolled{background:rgba(6,6,6,0.97);padding:10px 0;box-shadow:0 4px 28px rgba(0,0,0,0.38);}
.nav-container{max-width:1240px;margin:0 auto;padding:0 28px;display:flex;align-items:center;gap:18px;}
.nav-logo{flex-shrink:0;}
.logo-box{background:var(--dark);border:1.5px solid var(--gold);padding:5px 12px 5px 10px;border-radius:6px;display:flex;flex-direction:column;line-height:1;}
.logo-text{font-family:'Playfair Display',serif;font-size:1.15rem;font-weight:700;color:#fff;letter-spacing:3px;}
.logo-sub{font-size:0.42rem;letter-spacing:3px;color:var(--gold);text-transform:uppercase;font-weight:600;margin-top:1px;}
.nav-phone{display:flex;align-items:center;gap:8px;background:rgba(200,144,10,0.15);border:1px solid rgba(200,144,10,0.35);color:rgba(255,255,255,0.85);font-size:0.76rem;font-weight:600;padding:6px 14px;border-radius:50px;transition:var(--transition);flex-shrink:0;}
.nav-phone:hover{background:var(--gold);border-color:var(--gold);color:#fff;}
.phone-dot{width:8px;height:8px;background:var(--gold);border-radius:50%;flex-shrink:0;box-shadow:0 0 0 3px rgba(200,144,10,0.25);animation:pulseDot 1.8s ease infinite;}
@keyframes pulseDot{0%,100%{box-shadow:0 0 0 3px rgba(200,144,10,0.25);}50%{box-shadow:0 0 0 6px rgba(200,144,10,0.08);}}
.nav-links{display:flex;align-items:center;gap:2px;flex:1;justify-content:center;}
.nav-links a{color:rgba(255,255,255,0.72);font-size:0.78rem;font-weight:500;padding:6px 12px;border-radius:6px;transition:var(--transition);white-space:nowrap;}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,0.08);}
.nav-links a.active{color:var(--gold-light);}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.search-btn,.nav-icon-btn{width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.09);color:rgba(255,255,255,0.7);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);}
.search-btn:hover,.nav-icon-btn:hover{background:rgba(255,255,255,0.15);color:#fff;}
.nav-cta{background:var(--gold);color:#fff;padding:7px 18px;border-radius:50px;font-size:0.78rem;font-weight:700;transition:var(--transition);}
.nav-cta:hover{background:var(--gold-dark);transform:translateY(-1px);}
.hamburger{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:4px;}
.hamburger span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:var(--transition);}

/* PAGE HERO */
.page-hero{position:relative;height:320px;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.page-hero-bg{position:absolute;inset:0;}
.page-hero-bg img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 9s ease;}
.page-hero:hover .page-hero-bg img{transform:scale(1);}
.page-hero-overlay{position:absolute;inset:0;background:linear-gradient(160deg,rgba(0,0,0,0.68) 0%,rgba(0,0,0,0.44) 55%,rgba(0,0,0,0.60) 100%);}
.page-hero-content{position:relative;z-index:2;text-align:center;padding:0 24px;animation:fadeDown 0.75s ease both;}
@keyframes fadeDown{from{opacity:0;transform:translateY(-16px);}to{opacity:1;transform:translateY(0);}}
.page-hero-title{font-family:'Playfair Display',serif;font-size:clamp(2rem,5vw,3.2rem);font-weight:700;color:#fff;margin-bottom:13px;text-shadow:0 2px 18px rgba(0,0,0,0.45);}
.page-hero-breadcrumb{font-size:0.75rem;color:rgba(255,255,255,0.58);}
.page-hero-breadcrumb a{color:rgba(255,255,255,0.58);transition:var(--transition);}
.page-hero-breadcrumb a:hover{color:var(--gold-light);}
.sep{margin:0 5px;opacity:0.45;}

/* FILTER BAR */
.portfolio-filter-bar{padding:32px 0 8px;background:#fff;}
.filter-container{max-width:1200px;margin:0 auto;padding:0 28px;display:flex;gap:10px;flex-wrap:wrap;justify-content:center;}
.filter-btn{padding:8px 22px;border-radius:50px;border:1.5px solid var(--border);background:var(--gray-light);font-size:0.8rem;font-weight:600;color:var(--gray);cursor:pointer;transition:var(--transition);letter-spacing:0.3px;}
.filter-btn:hover{border-color:var(--gold);color:var(--gold);background:rgba(200,144,10,0.05);}
.filter-btn.active{background:var(--gold);border-color:var(--gold);color:#fff;box-shadow:0 4px 16px rgba(200,144,10,0.32);}

/* PORTFOLIO GRID */
.portfolio-section{padding:28px 0 72px;background:#fff;}
.portfolio-container{max-width:1200px;margin:0 auto;padding:0 28px;}
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.portfolio-item{position:relative;border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;box-shadow:var(--shadow);background:#111;}
.pi-img{width:100%;height:280px;overflow:hidden;}
.pi-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.55s cubic-bezier(0.4,0,0.2,1),filter 0.4s ease;filter:brightness(0.82);}
.portfolio-item:hover .pi-img img{transform:scale(1.08);filter:brightness(0.5);}
.pi-caption{position:absolute;bottom:0;left:0;right:0;padding:38px 18px 16px;background:linear-gradient(to top,rgba(0,0,0,0.78) 0%,transparent 100%);transition:opacity 0.35s ease;display:flex;align-items:flex-end;gap:10px;}
.portfolio-item:hover .pi-caption{opacity:0;}
.pi-tag{font-size:0.64rem;font-weight:700;color:#fff;padding:3px 8px;border-radius:3px;letter-spacing:0.5px;text-transform:uppercase;white-space:nowrap;flex-shrink:0;}
.pi-title{font-family:'Playfair Display',serif;font-size:1.05rem;font-weight:600;color:#fff;line-height:1.2;}
.pi-hover{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:28px;opacity:0;transform:translateY(12px);transition:opacity 0.38s ease,transform 0.38s ease;}
.portfolio-item:hover .pi-hover{opacity:1;transform:translateY(0);}
.pi-hover-tag{font-size:0.68rem;font-weight:700;color:var(--gold-light);letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;display:block;}
.pi-hover h3{font-family:'Playfair Display',serif;font-size:1.4rem;font-weight:700;color:#fff;margin-bottom:10px;line-height:1.2;}
.pi-hover p{font-size:0.82rem;color:rgba(255,255,255,0.72);line-height:1.7;margin-bottom:18px;max-width:280px;}
.pi-link{display:inline-flex;align-items:center;gap:6px;color:#fff;font-size:0.8rem;font-weight:700;letter-spacing:0.5px;padding:8px 18px;border-radius:50px;border:1.5px solid rgba(255,255,255,0.5);transition:var(--transition);text-transform:uppercase;}
.pi-link:hover{background:var(--gold);border-color:var(--gold);}

/* FOOTER */
.footer{background:#111;}
.footer-main{padding:52px 0 0;}
.footer-top-grid{max-width:1200px;margin:0 auto;padding:0 28px;display:grid;grid-template-columns:1fr 1fr 1.6fr 1fr 1fr;gap:28px;align-items:start;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul li a{color:rgba(255,255,255,0.45);font-size:0.8rem;transition:var(--transition);}
.footer-col ul li a:hover{color:var(--gold-light);padding-left:4px;}
.footer-logo-center{text-align:center;}
.footer-logo-box{display:inline-flex;align-items:center;gap:12px;background:#1e1e1e;border:1px solid rgba(200,144,10,0.2);padding:14px 22px;border-radius:var(--radius);margin-bottom:12px;}
.flb-text-wrap{display:flex;flex-direction:column;line-height:1;text-align:left;}
.fl-text{font-family:'Playfair Display',serif;font-size:1.3rem;font-weight:700;color:#fff;letter-spacing:3px;}
.fl-sub{font-size:0.4rem;letter-spacing:3px;color:var(--gold);text-transform:uppercase;font-weight:600;margin-top:2px;}
.footer-tagline{font-size:0.72rem;color:rgba(255,255,255,0.3);font-style:italic;}
.footer-info-bar{border-top:1px solid rgba(255,255,255,0.06);margin-top:44px;padding:18px 28px;max-width:1200px;margin-left:auto;margin-right:auto;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.fib-left{display:flex;flex-direction:column;gap:4px;}
.fib-left a{color:rgba(255,255,255,0.4);font-size:0.76rem;transition:var(--transition);}
.fib-left a:hover{color:var(--gold-light);}
.fib-center{font-size:0.75rem;color:rgba(255,255,255,0.35);text-align:center;max-width:320px;}
.footer-socials{display:flex;gap:7px;}
.fsoc{width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.08);color:rgba(255,255,255,0.42);display:flex;align-items:center;justify-content:center;font-size:0.68rem;font-weight:700;transition:var(--transition);}
.fsoc:hover{background:var(--gold);color:#fff;border-color:var(--gold);transform:translateY(-2px);}
.footer-bottom{background:#0a0a0a;border-top:1px solid rgba(255,255,255,0.05);padding:14px 0;}
.footer-bottom-inner{max-width:1200px;margin:0 auto;padding:0 28px;text-align:center;}
.footer-bottom-inner p{font-size:0.7rem;color:rgba(255,255,255,0.24);}

.back-to-top{position:fixed;bottom:28px;right:28px;z-index:999;width:44px;height:44px;border-radius:50%;background:var(--gold);color:#fff;font-size:1rem;border:none;cursor:pointer;box-shadow:0 4px 18px rgba(200,144,10,0.42);display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(16px);transition:var(--transition);pointer-events:none;}
.back-to-top.visible{opacity:1;transform:translateY(0);pointer-events:all;}
.back-to-top:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(200,144,10,0.52);}

.portfolio-item.hidden{display:none;}
.portfolio-item.fade-in{animation:fadeIn 0.4s ease both;}
@keyframes fadeIn{from{opacity:0;transform:scale(0.96);}to{opacity:1;transform:scale(1);}}

@media(max-width:1024px){.nav-phone{display:none;}.footer-top-grid{grid-template-columns:repeat(3,1fr);}.footer-logo-center{grid-column:2;}}
@media(max-width:768px){.nav-links{display:none;}.hamburger{display:flex;}.portfolio-grid{grid-template-columns:1fr 1fr;gap:14px;}.pi-img{height:220px;}.page-hero{height:240px;}.footer-top-grid{grid-template-columns:1fr 1fr;}.footer-logo-center{grid-column:1/3;}.footer-info-bar{flex-direction:column;align-items:flex-start;gap:14px;}}
@media(max-width:480px){.portfolio-grid{grid-template-columns:1fr;}.pi-img{height:260px;}.footer-top-grid{grid-template-columns:1fr;}.footer-logo-center{grid-column:auto;}}

/* WhatsApp Float Button */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  left: 28px;
  z-index: 999;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.45);
  transition: var(--transition);
  animation: pulseWa 2s infinite;
}
.whatsapp-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.55);
}
.whatsapp-float svg {
  width: 26px;
  height: 26px;
}
.whatsapp-tooltip {
  position: absolute;
  left: 60px;
  background: #fff;
  color: var(--dark);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateX(-10px);
  transition: var(--transition);
  white-space: nowrap;
}
.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}
@keyframes pulseWa {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}