/* ================================================
   SUMMARECON GADING SERPONG — Showcase Website
   Design system: clean, premium, white/deep-green accent
   ================================================ */

:root{
  --ink:#1a1d22;
  --ink-soft:#5c6470;
  --paper:#ffffff;
  --ivory:#f7f8fa;
  --sand:#eef1f5;
  --gold:#00502b;
  --gold-deep:#003d21;
  --line:#e7eaef;
  --green:#3f5b47;
  --max:1280px;
  --radius:6px;
  --font:"Poppins", "Helvetica Neue", Arial, sans-serif;
  --shadow:0 20px 50px -25px rgba(20,22,26,.18);
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{list-style:none;}
.container{max-width:var(--max); margin:0 auto; padding:0 32px;}
section{padding:64px 0;}
@media(max-width:768px){ section{padding:44px 0;} .container{padding:0 20px;} }

h1,h2,h3,h4{font-family:var(--font); font-weight:700; line-height:1.15; letter-spacing:0;}
.eyebrow{
  font-family:var(--font); font-size:12px; letter-spacing:.28em; text-transform:uppercase;
  color:var(--gold-deep); font-weight:600; margin-bottom:10px; display:block;
}
.section-head{max-width:640px; margin-bottom:32px;}
.section-head h2{font-size:38px; margin-bottom:16px;}
.section-head p{color:var(--ink-soft); font-size:16px;}
.section-head.center{margin-left:auto; margin-right:auto; text-align:center;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 30px; font-size:13px; letter-spacing:.12em; text-transform:uppercase;
  font-weight:600; border:1px solid transparent; border-radius:var(--radius);
  cursor:pointer; transition:.25s ease;
}
.btn-primary{background:var(--ink); color:#fff;}
.btn-primary:hover{background:var(--gold-deep);}
.btn-outline{border-color:var(--ink); color:var(--ink); background:transparent;}
.btn-outline:hover{background:var(--ink); color:#fff;}
.btn-gold{background:var(--gold); color:#fff;}
.btn-gold:hover{background:var(--gold-deep);}
.btn-light{border-color:#fff; color:#fff;}
.btn-light:hover{background:#fff; color:var(--ink);}
.btn-block{width:100%; justify-content:center;}

/* ---------- Topbar / Nav ---------- */
.topbar{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  background:rgba(255,255,255,.0);
  transition:.3s ease;
}
.topbar.scrolled, .topbar.solid{
  background:rgba(255,255,255,.97);
  box-shadow:0 1px 0 var(--line);
  backdrop-filter:blur(6px);
}
.topbar-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 32px; max-width:var(--max); margin:0 auto;
}
.brand{font-family:var(--font); font-size:20px; font-weight:700; letter-spacing:.03em; color:var(--ink);}
.brand small{display:block; font-family:var(--font); font-size:9px; letter-spacing:.32em; color:var(--gold-deep); font-weight:600;}
.topbar.solid .brand, .topbar.scrolled .brand{color:var(--ink);}
.topbar:not(.scrolled):not(.solid) .brand{color:#fff;}
.topbar:not(.scrolled):not(.solid) .brand small{color:var(--sand);}
.nav-links{display:flex; gap:22px; align-items:center;}
.nav-links a{
  font-size:12.5px; letter-spacing:.03em; text-transform:uppercase; font-weight:600;
  color:var(--ink); position:relative; padding:4px 0; white-space:nowrap;
}
.topbar:not(.scrolled):not(.solid) .nav-links a{color:#fff;}
.nav-links a:hover{color:var(--gold-deep);}
.topbar:not(.scrolled):not(.solid) .nav-links a:hover{color:var(--sand);}
.nav-cta{margin-left:8px;}
.lang-switch{
  font-size:12px; letter-spacing:.06em; text-transform:uppercase; font-weight:700;
  color:var(--ink); border:1px solid var(--line); border-radius:20px; padding:6px 14px; margin-left:4px;
}
.topbar:not(.scrolled):not(.solid) .lang-switch{color:#fff; border-color:rgba(255,255,255,.5);}
.lang-switch:hover{background:var(--ink); color:#fff; border-color:var(--ink);}
@media(max-width:1180px){
  .lang-switch{color:var(--ink) !important; border-color:var(--line) !important; margin-top:12px;}
}
.nav-toggle{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer;}
.nav-toggle span{width:24px; height:2px; background:var(--ink);}
.topbar:not(.scrolled):not(.solid) .nav-toggle span{background:#fff;}

@media(max-width:1180px){
  .nav-links{
    position:fixed; top:0; right:0; bottom:0; width:280px; background:#fff;
    flex-direction:column; align-items:flex-start; padding:100px 32px 32px;
    transform:translateX(100%); transition:.3s ease; box-shadow:var(--shadow);
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{color:var(--ink) !important;}
  .nav-toggle{display:flex;}
  .topbar .brand{color:var(--ink) !important;}
  .topbar .brand small{color:var(--gold-deep) !important;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative; min-height:78vh; display:flex; align-items:flex-end;
  background:linear-gradient(180deg,rgba(20,18,15,.35),rgba(15,13,11,.75)), var(--ink);
  background-size:cover; background-position:center;
  color:#fff; overflow:hidden;
}
.hero-media{position:absolute; inset:0; z-index:0;}
.hero-media img{width:100%; height:100%; object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,13,11,.35) 0%,rgba(15,13,11,.55) 55%,rgba(15,13,11,.92) 100%);}
.hero-content{position:relative; z-index:1; padding:0 32px 56px; max-width:var(--max); margin:0 auto; width:100%;}
.hero-content .eyebrow{color:var(--sand);}
.hero-content h1{font-size:clamp(38px,6vw,68px); max-width:820px; color:#fff;}
.hero-content p{max-width:560px; margin-top:20px; color:#e9e4d8; font-size:17px;}
.hero-actions{display:flex; gap:14px; margin-top:24px; flex-wrap:wrap;}
.hero-stats{display:flex; gap:36px; margin-top:36px; flex-wrap:wrap; border-top:1px solid rgba(255,255,255,.25); padding-top:20px;}
.hero-stats div b{display:block; font-family:var(--font); font-size:28px;}
.hero-stats div span{font-size:12px; letter-spacing:.08em; color:#cfc8b4; text-transform:uppercase;}

/* ---------- Page hero (interior pages) ---------- */
.page-hero{
  min-height:56vh; display:flex; align-items:flex-end; position:relative; color:#fff;
  background-size:cover; background-position:center;
}
.page-hero .hero-media::after{background:linear-gradient(180deg,rgba(15,13,11,.25),rgba(15,13,11,.85));}
.page-hero .hero-content{padding-bottom:56px;}
.breadcrumb{font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:var(--sand); margin-bottom:14px;}
.breadcrumb a{color:var(--sand); border-bottom:1px solid rgba(255,255,255,.4);}
.page-hero h1{font-size:clamp(32px,5vw,52px);}
.tag-row{display:flex; gap:10px; margin-top:18px; flex-wrap:wrap;}
.tag{
  font-size:11px; letter-spacing:.08em; text-transform:uppercase; font-weight:600;
  border:1px solid rgba(255,255,255,.5); padding:6px 14px; border-radius:20px; color:#fff;
}

/* ---------- Page hero (smaller variant for unit pages) ---------- */
.page-hero-sm{min-height:44vh;}

/* ---------- Quick facts bar (unit detail) ---------- */
.quick-bar{display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;}
.quick-bar-info{display:flex; align-items:center; gap:16px;}
.badge-inline{background:var(--gold); color:#fff; font-size:11px; letter-spacing:.08em; text-transform:uppercase; font-weight:700; padding:6px 12px; border-radius:20px;}
.quick-bar-size{font-family:var(--font); font-size:20px; font-weight:700; color:var(--ink);}

/* ---------- Gallery preview (unit detail, top-of-page) ---------- */
.gallery-preview{display:grid; grid-template-columns:1.6fr 1fr 1fr; grid-template-rows:repeat(2,1fr); gap:8px; height:440px; border-radius:var(--radius); overflow:hidden;}
.gp-item{position:relative; display:block; overflow:hidden; background:var(--sand);}
.gp-item:first-child{grid-row:1 / 3;}
.gp-item img{width:100%; height:100%; object-fit:cover; transition:.4s;}
.gp-item:hover img{transform:scale(1.05);}
.gp-more{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  background:rgba(15,13,11,.55); color:#fff; font-family:var(--font); font-size:18px; font-weight:600;
}
@media(max-width:760px){
  .gallery-preview{grid-template-columns:1fr 1fr; grid-template-rows:repeat(3,140px); height:auto;}
  .gp-item:first-child{grid-row:1 / 3; grid-column:1 / 3;}
}

/* ---------- Cards / Units grid ---------- */
.units-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:20px;}
@media(max-width:1100px){.units-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:620px){.units-grid{grid-template-columns:1fr;}}

.unit-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;
  transition:.3s ease; display:flex; flex-direction:column;
}
.unit-card:hover{box-shadow:var(--shadow); transform:translateY(-4px);}
.unit-card .thumb{aspect-ratio:4/3; background:var(--sand); position:relative; overflow:hidden;}
.unit-card .thumb img{width:100%; height:100%; object-fit:cover; transition:.5s ease;}
.unit-card:hover .thumb img{transform:scale(1.06);}
.unit-card .badge{
  position:absolute; top:14px; left:14px; background:rgba(255,255,255,.92); color:var(--ink);
  font-size:10px; letter-spacing:.1em; text-transform:uppercase; font-weight:700; padding:5px 10px;
}
.unit-card .body{padding:22px 22px 24px; display:flex; flex-direction:column; gap:8px; flex:1;}
.unit-card h3{font-size:22px;}
.unit-card .desc{font-size:13.5px; color:var(--ink-soft); flex:1;}
.unit-card .meta{display:flex; justify-content:space-between; font-size:12.5px; color:var(--ink-soft); border-top:1px solid var(--line); padding-top:12px; margin-top:6px;}
.unit-card .cta-row{margin-top:10px;}
.unit-card .cta-row a{font-size:12px; letter-spacing:.08em; text-transform:uppercase; font-weight:700; color:var(--ink); border-bottom:1px solid var(--gold);}

/* filter chips */
.filter-row{display:flex; gap:10px; flex-wrap:wrap; margin-bottom:36px;}
.chip{
  border:1px solid var(--line); background:#fff; padding:9px 18px; font-size:12.5px;
  letter-spacing:.04em; text-transform:uppercase; font-weight:600; cursor:pointer; border-radius:30px;
  color:var(--ink-soft); transition:.2s;
}
.chip.active, .chip:hover{background:var(--ink); color:#fff; border-color:var(--ink);}

/* ---------- About / split ---------- */
.split{display:grid; grid-template-columns:1fr 1fr; gap:44px; align-items:center;}
@media(max-width:900px){.split{grid-template-columns:1fr; gap:36px;}}
.split img{border-radius:var(--radius); width:100%; height:100%; object-fit:cover;}
.stat-list{display:grid; grid-template-columns:repeat(2,1fr); gap:24px; margin-top:32px;}
.stat-list b{font-family:var(--font); font-size:26px; display:block;}
.stat-list span{font-size:12px; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.06em;}

/* ---------- Facilities ---------- */
.fac-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:2px; background:var(--line);}
@media(max-width:900px){.fac-grid{grid-template-columns:repeat(2,1fr);}}
.fac-item{background:#fff; padding:24px 22px; min-height:168px; display:flex; flex-direction:column; justify-content:flex-end; gap:6px;}
.fac-item .num{font-family:var(--font); font-size:13px; color:var(--gold);}
.fac-item h4{font-size:16px;}
.fac-item p{font-size:12.5px; color:var(--ink-soft);}
.fac-item.has-img{
  position:relative; background-size:cover; background-position:center; color:#fff;
}
.fac-item.has-img::before{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg,rgba(15,13,11,.15) 0%,rgba(15,13,11,.55) 60%,rgba(15,13,11,.88) 100%);
}
.fac-item.has-img .num{color:var(--sand); position:relative; z-index:1;}
.fac-item.has-img h4{color:#fff; position:relative; z-index:1;}
.fac-item.has-img p{color:#e4e0d6; position:relative; z-index:1;}
.photo-credit{font-size:11px; color:var(--ink-soft); padding-top:10px; text-align:right;}

/* ---------- Section dark ---------- */
.section-dark{background:var(--ivory); color:var(--ink);}
.section-dark .section-head p{color:var(--ink-soft);}
.section-dark .eyebrow{color:var(--gold-deep);}
.section-ivory{background:var(--ivory);}

/* ---------- KPR Calculator ---------- */
.kpr-box{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  box-shadow:var(--shadow); display:grid; grid-template-columns:1.1fr .9fr;
}
@media(max-width:900px){.kpr-box{grid-template-columns:1fr;}}
.kpr-form{padding:32px; display:flex; flex-direction:column; gap:16px;}
.kpr-result{padding:32px; background:var(--ink); color:#fff; display:flex; flex-direction:column; gap:14px;}
.field label{font-size:12px; letter-spacing:.06em; text-transform:uppercase; font-weight:700; color:var(--ink-soft); display:block; margin-bottom:8px;}
.field input, .field select{
  width:100%; padding:13px 14px; border:1px solid var(--line); border-radius:var(--radius);
  font-size:15px; font-family:var(--font); background:var(--ivory); color:var(--ink);
}
.field input:focus, .field select:focus{outline:2px solid var(--gold); background:#fff;}
.field-row{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
@media(max-width:520px){.field-row{grid-template-columns:1fr;}}
.field small.hint{display:block; margin-top:6px; color:#8b8477; font-size:11.5px;}
.slider-row{display:flex; align-items:center; gap:12px;}
.slider-row input[type=range]{flex:1; accent-color:var(--gold);}
.slider-val{font-family:var(--font); font-size:16px; min-width:52px; text-align:right;}

.kpr-result h4{font-size:13px; text-transform:uppercase; letter-spacing:.1em; color:#c8c2b3; font-weight:600;}
.kpr-out{border-bottom:1px solid rgba(255,255,255,.15); padding-bottom:16px; margin-bottom:16px;}
.kpr-out .big{font-family:var(--font); font-size:34px; color:#f2eadb;}
.kpr-out .lbl{font-size:12px; color:#a49d8b; text-transform:uppercase; letter-spacing:.06em;}
.kpr-sub-list{display:flex; flex-direction:column; gap:10px; font-size:13.5px;}
.kpr-sub-list div{display:flex; justify-content:space-between; color:#dcd6c7;}
.kpr-sub-list b{color:#fff;}
.kpr-disclaimer{font-size:11px; color:#a49d8b; margin-top:8px; line-height:1.6;}

/* ---------- Gallery / Flyer ---------- */
.gallery-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:14px;}
@media(max-width:1100px){.gallery-grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:700px){.gallery-grid{grid-template-columns:repeat(2,1fr); gap:10px;}}
.gallery-item{
  position:relative; aspect-ratio:3/4; overflow:hidden; border-radius:var(--radius); cursor:pointer;
  background:var(--sand);
}
.gallery-item img{width:100%; height:100%; object-fit:cover; transition:.4s;}
.gallery-item:hover img{transform:scale(1.05);}
.gallery-item .cap{
  position:absolute; left:0; right:0; bottom:0; padding:16px;
  background:linear-gradient(0deg,rgba(0,0,0,.7),transparent);
  color:#fff; font-size:13px; font-weight:600;
}
.lightbox{
  position:fixed; inset:0; background:rgba(15,13,11,.92); z-index:2000; display:none;
  align-items:center; justify-content:center; padding:40px;
}
.lightbox.open{display:flex;}
.lightbox img{max-width:90vw; max-height:85vh; object-fit:contain; border:6px solid #fff;}
.lightbox-close{position:absolute; top:28px; right:32px; color:#fff; font-size:28px; cursor:pointer; background:none; border:none;}

/* ---------- Spec table ---------- */
.spec-table{width:100%; border-collapse:collapse;}
.spec-table tr{border-bottom:1px solid var(--line);}
.spec-table td{padding:14px 4px; font-size:14.5px;}
.spec-table td:first-child{color:var(--ink-soft); width:45%;}
.spec-table td:last-child{font-weight:700; text-align:right;}

/* type cards */
.type-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:18px;}
@media(max-width:900px){.type-grid{grid-template-columns:1fr;}}
.type-card{border:1px solid var(--line); padding:28px; border-radius:var(--radius);}
.type-card h4{font-size:20px; margin-bottom:4px;}
.type-card ul{margin-top:14px; display:flex; flex-direction:column; gap:8px;}
.type-card ul li{font-size:13.5px; color:var(--ink-soft); padding-left:16px; position:relative;}
.type-card ul li::before{content:"—"; position:absolute; left:0; color:var(--gold);}

/* ---------- Testimonials / masterplan / CTA ---------- */
.masterplan-frame{border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; position:relative;}
.masterplan-frame img{width:100%;}

.cta-banner{
  background:linear-gradient(180deg,rgba(20,18,15,.5),rgba(15,13,11,.85)), var(--ink);
  background-size:cover; background-position:center; color:#fff; text-align:center; padding:72px 32px;
}
.cta-banner h2{font-size:clamp(28px,4vw,44px); max-width:700px; margin:0 auto 18px;}
.cta-banner p{color:#d8d2c2; max-width:520px; margin:0 auto 34px;}
.cta-actions{display:flex; gap:16px; justify-content:center; flex-wrap:wrap;}

/* ---------- Contact ---------- */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:40px;}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr;}}
.contact-info li{display:flex; gap:16px; padding:18px 0; border-bottom:1px solid var(--line);}
.contact-info b{display:block; font-size:13px; text-transform:uppercase; letter-spacing:.06em; color:var(--gold-deep); margin-bottom:4px;}
.form-grid{display:flex; flex-direction:column; gap:16px;}
textarea{width:100%; padding:13px 14px; border:1px solid var(--line); background:var(--ivory); font-family:var(--font); font-size:15px; min-height:120px; border-radius:var(--radius);}

/* ---------- Footer ---------- */
footer{background:var(--ink); color:#cfc8b4; padding:64px 0 28px;}
.footer-grid{display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:28px; padding-bottom:32px; border-bottom:1px solid rgba(255,255,255,.12);}
@media(max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-grid h5{color:#fff; font-size:12px; letter-spacing:.1em; text-transform:uppercase; margin-bottom:18px;}
.footer-grid li{margin-bottom:10px; font-size:13.5px;}
.footer-grid li a:hover{color:#fff;}
.footer-brand{font-family:var(--font); font-size:22px; color:#fff; margin-bottom:12px;}
.footer-bottom{display:flex; justify-content:space-between; padding-top:24px; font-size:12px; flex-wrap:wrap; gap:10px;}

/* utility */
.mt-8{margin-top:8px;} .mt-16{margin-top:16px;} .mt-24{margin-top:24px;} .mt-40{margin-top:40px;}
.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:32px;} @media(max-width:800px){.grid-2{grid-template-columns:1fr;}}
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;} @media(max-width:800px){.grid-3{grid-template-columns:1fr;}}
.placeholder-note{
  font-size:12px; color:#a89; background:#fff8e6; border:1px dashed #d8c27a; padding:10px 14px;
  border-radius:var(--radius); margin-top:8px;
}