/* Platinum Choice — platinum & black system, drawn from the logo mark */
:root{
  --ink:#0A0A0B; --coal:#101113; --graphite:#17191C; --slate:#1F2226;
  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.16);
  --platinum:#E8EAEC; --silver:#B6BABF; --steel:#848A91;
  --sea:#86B7B4; --sea-deep:#0C1516;
  --paper:#EDEEEF; --paper-ink:#0F1012; --paper-mute:#55595F;
  --wa:#25D366;
  --metal:linear-gradient(180deg,#F6F7F8 0%,#C9CCD0 55%,#9EA2A8 100%);
  --f-display:'Cormorant Garamond',Georgia,serif;
  --f-body:'Inter',system-ui,-apple-system,sans-serif;
  --r:6px; --max:1240px; --gut:clamp(20px,5vw,56px);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--f-body);font-weight:300;font-size:16px;line-height:1.65;background:var(--ink);color:var(--platinum);overflow-x:hidden;-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 var(--gut)}
section{padding:clamp(72px,10vw,128px) 0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
:focus-visible{outline:2px solid var(--sea);outline-offset:3px}

/* type */
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:.7rem;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--sea);margin-bottom:20px}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor;opacity:.7}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:500;line-height:1.08;letter-spacing:-.012em}
.h-xl{font-size:clamp(2.9rem,7vw,5.9rem)}
.h-lg{font-size:clamp(2.2rem,4.6vw,3.8rem)}
.h-md{font-size:clamp(1.5rem,2.4vw,2rem)}
em.metal,.metal{font-style:italic;background:var(--metal);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.lead{font-size:clamp(1.02rem,1.3vw,1.18rem);color:var(--silver);max-width:60ch}
.muted{color:var(--steel)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 30px;font:500 .74rem/1 var(--f-body);letter-spacing:.14em;text-transform:uppercase;border-radius:2px;border:1px solid transparent;cursor:pointer;transition:transform .2s var(--ease),background .2s,color .2s,border-color .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--metal);color:var(--ink)}
.btn-primary:hover{background:#fff}
.btn-ghost{border-color:var(--line-2);color:var(--platinum)}
.btn-ghost:hover{border-color:var(--platinum);background:rgba(255,255,255,.05)}
.btn-dark{background:var(--ink);color:var(--platinum)}
.btn-dark:hover{background:var(--graphite)}
.btn-outline-dark{border-color:rgba(10,10,11,.35);color:var(--paper-ink)}
.btn-outline-dark:hover{border-color:var(--paper-ink);background:rgba(10,10,11,.05)}
.btn-row{display:flex;gap:14px;flex-wrap:wrap}
.arrow::after{content:"→";font-size:1rem;letter-spacing:0;transition:transform .2s}
.btn:hover.arrow::after,.link-arrow:hover::after{transform:translateX(4px)}
.link-arrow{display:inline-flex;gap:8px;font-size:.74rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--platinum);border-bottom:1px solid var(--line-2);padding-bottom:4px}
.link-arrow::after{content:"→";transition:transform .2s}

/* header */
.site-header{position:fixed;inset:0 0 auto;z-index:100;transition:background .3s,backdrop-filter .3s,border-color .3s;border-bottom:1px solid transparent}
.site-header.scrolled,.site-header.solid{background:rgba(10,10,11,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:84px;gap:32px}
.brand img{height:46px;width:auto}
.nav-links{display:flex;gap:34px}
.nav-links a{font-size:.72rem;font-weight:400;letter-spacing:.16em;text-transform:uppercase;color:var(--silver);padding:8px 0;position:relative;transition:color .2s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:1px;background:var(--platinum);transition:width .25s var(--ease)}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:#fff}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after{width:100%}
.nav-cta{padding:12px 22px}
.burger{display:none;width:44px;height:44px;background:none;border:0;cursor:pointer;flex-direction:column;justify-content:center;align-items:flex-end;gap:6px}
.burger span{display:block;height:1.5px;width:24px;background:#fff;transition:transform .3s,opacity .3s,width .3s}
.burger span:nth-child(2){width:16px}
.drawer{position:fixed;inset:0;z-index:150;background:var(--ink);display:flex;flex-direction:column;padding:28px var(--gut) 40px;transform:translateX(100%);visibility:hidden;transition:transform .4s var(--ease),visibility .4s}
.drawer.open{transform:none;visibility:visible}
.drawer-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px}
.drawer-top img{height:42px}
.drawer-close{background:none;border:0;color:#fff;font-size:1.8rem;cursor:pointer;width:44px;height:44px}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{font-family:var(--f-display);font-size:2.1rem;padding:14px 0;border-bottom:1px solid var(--line);color:var(--platinum)}
.drawer .btn{margin-top:auto}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;padding:0}
.hero-bg{position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(10,10,11,.55) 0%,rgba(10,10,11,.15) 38%,rgba(10,10,11,.92) 100%),
  linear-gradient(90deg,rgba(10,10,11,.75) 0%,rgba(10,10,11,0) 70%),
  url('https://images.unsplash.com/photo-1507525428034-b723cf961d3e?auto=format&fit=crop&w=2000&q=75') center/cover no-repeat,
  radial-gradient(120% 90% at 70% 30%,#16363A 0%,#0A1214 60%,#0A0A0B 100%);
  background-color:#0A1214}
/* signature motif: the logo's slanted bars */
.bars{position:absolute;right:clamp(16px,6vw,96px);bottom:0;height:78%;display:flex;gap:clamp(10px,1.4vw,22px);align-items:flex-end;pointer-events:none;z-index:1}
.bars i{display:block;width:clamp(26px,3.6vw,56px);background:linear-gradient(180deg,rgba(255,255,255,.34),rgba(255,255,255,.04) 80%);clip-path:polygon(0 12%,100% 0,100% 88%,0 100%);opacity:0;transform:translateY(40px);animation:rise 1.1s var(--ease) forwards}
.bars i:nth-child(1){height:52%;animation-delay:.15s}
.bars i:nth-child(2){height:100%;animation-delay:.3s}
.bars i:nth-child(3){height:100%;animation-delay:.45s}
.bars i:nth-child(4){height:58%;animation-delay:.6s}
@keyframes rise{to{opacity:1;transform:none}}
.hero-inner{position:relative;z-index:2;padding-bottom:clamp(56px,9vh,104px);padding-top:140px;width:100%}
.hero h1{max-width:16ch}
.hero-pillars{display:flex;gap:clamp(14px,3vw,36px);flex-wrap:wrap;margin:28px 0 40px;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--silver)}
.hero-pillars span{display:flex;align-items:center;gap:clamp(14px,3vw,36px)}
.hero-pillars span+span::before{content:"";width:5px;height:5px;background:var(--sea);transform:rotate(45deg)}
.hero-cue{position:absolute;left:50%;bottom:22px;z-index:2;width:1px;height:44px;background:linear-gradient(var(--silver),transparent);opacity:.5}

/* page hero (inner) */
.page-hero{padding:clamp(140px,18vw,210px) 0 clamp(56px,8vw,96px);position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:
  radial-gradient(80% 120% at 85% 0%,rgba(134,183,180,.10),transparent 60%),var(--ink)}
.page-hero .bars{height:130%;bottom:-30%;opacity:.55}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{max-width:16ch}
.page-hero .lead{margin-top:24px}

/* section heads */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap;margin-bottom:clamp(40px,6vw,72px)}
.sec-head h2{max-width:16ch}
.sec-head p{max-width:34ch;color:var(--steel);font-size:.95rem}

/* light section */
.light{background:var(--paper);color:var(--paper-ink)}
.light .eyebrow{color:#2F6F6B}
.light .lead,.light p{color:var(--paper-mute)}
.light h1,.light h2,.light h3,.light h4{color:var(--paper-ink)}
.light .metal{background:linear-gradient(180deg,#3B3F45,#0F1012);-webkit-background-clip:text;background-clip:text}
.deep{background:var(--sea-deep)}
.panel{background:var(--coal)}

/* difference cards */
.cards{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.cards.c4{grid-template-columns:repeat(4,1fr)}
.cards.c3{grid-template-columns:repeat(3,1fr)}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--ink);padding:clamp(28px,3vw,44px);display:flex;flex-direction:column;gap:16px;position:relative;transition:background .3s}
.card:hover{background:var(--graphite)}
.card .num{font-family:var(--f-display);font-size:3.4rem;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.22)}
.card h3{font-size:1.45rem}
.card p{font-size:.92rem;color:var(--silver);flex:1}
.stamp{font-size:.66rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--sea);padding-top:18px;border-top:1px solid var(--line)}
.light .cards{background:rgba(10,10,11,.12);border-color:rgba(10,10,11,.12)}
.light .card{background:var(--paper)}
.light .card:hover{background:#E3E5E7}
.light .card p{color:var(--paper-mute)}
.light .stamp{color:#2F6F6B;border-color:rgba(10,10,11,.12)}
.light .card .num{-webkit-text-stroke-color:rgba(10,10,11,.25)}

/* tabs */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:clamp(32px,5vw,56px);overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;padding:16px 26px;font:400 .74rem var(--f-body);letter-spacing:.16em;text-transform:uppercase;color:var(--steel);cursor:pointer;white-space:nowrap;transition:color .2s,border-color .2s}
.tab:hover{color:var(--platinum)}
.tab.active{color:#fff;border-bottom-color:var(--sea)}
.tab-panel{display:none}
.tab-panel.active{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.4vw,32px)}
.tile{padding:clamp(26px,3vw,40px);border:1px solid var(--line);border-radius:var(--r);background:rgba(255,255,255,.025);transition:border-color .3s,transform .3s var(--ease)}
.tile:hover{border-color:rgba(134,183,180,.5);transform:translateY(-3px)}
.tile h3,.tile h4{font-size:1.4rem;margin-bottom:12px}
.tile p{font-size:.92rem;color:var(--silver)}

/* quotes */
.quote{padding:clamp(28px,3vw,40px);border:1px solid var(--line);border-radius:var(--r);display:flex;flex-direction:column;gap:26px}
.quote blockquote{font-family:var(--f-display);font-style:italic;font-size:1.25rem;line-height:1.5;color:var(--platinum);flex:1}
.quote cite{font-style:normal;font-size:.8rem;letter-spacing:.04em;color:var(--steel)}
.quote cite strong{display:block;color:#fff;font-weight:500}

/* split / content blocks */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,6vw,96px);align-items:center}
.split.top{align-items:start}
.split .media{aspect-ratio:4/5;background:linear-gradient(160deg,#16363A,#0A1214);border:1px solid var(--line);position:relative;overflow:hidden;clip-path:polygon(0 4%,100% 0,100% 96%,0 100%)}
.split .media img{width:100%;height:100%;object-fit:cover}
.steps{counter-reset:s;display:grid;gap:0}
.step{display:grid;grid-template-columns:72px 1fr;gap:20px;padding:28px 0;border-top:1px solid var(--line)}
.step:last-child{border-bottom:1px solid var(--line)}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-family:var(--f-display);font-size:2.2rem;line-height:1;color:var(--sea)}
.step h3{font-size:1.4rem;margin-bottom:8px}
.step p{font-size:.95rem;color:var(--silver)}
.light .step,.light .step:last-child{border-color:rgba(10,10,11,.14)}
.light .step::before{color:#2F6F6B}
.light .step p{color:var(--paper-mute)}
.checks{display:grid;gap:14px}
.checks li{display:flex;gap:14px;font-size:.98rem;color:var(--silver)}
.checks li::before{content:"";flex:none;width:18px;height:18px;margin-top:4px;background:var(--sea);clip-path:polygon(14% 52%,0 66%,38% 100%,100% 24%,86% 8%,38% 72%)}
.light .checks li{color:var(--paper-mute)}
.light .checks li::before{background:#2F6F6B}
.facts{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.fact{padding:36px clamp(16px,2vw,32px);border-left:1px solid var(--line)}
.fact:first-child{border-left:0}
.fact b{display:block;font-family:var(--f-display);font-weight:500;font-size:clamp(2.4rem,4vw,3.4rem);line-height:1}
.fact span{display:block;margin-top:10px;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--steel)}

/* property / project cards */
.listing{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.4vw,32px)}
.listing.two{grid-template-columns:repeat(2,1fr)}
.item{border:1px solid var(--line);background:var(--coal);display:flex;flex-direction:column;transition:border-color .3s,transform .3s var(--ease)}
.item:hover{border-color:var(--line-2);transform:translateY(-4px)}
.item .thumb{aspect-ratio:4/3;background:linear-gradient(150deg,#1B4146,#0A1214);position:relative;overflow:hidden}
.item .thumb img{width:100%;height:100%;object-fit:cover}
.item .tag{position:absolute;left:14px;top:14px;background:rgba(10,10,11,.8);padding:6px 12px;font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--platinum)}
.item .body{padding:26px;display:flex;flex-direction:column;gap:10px;flex:1}
.item h3{font-size:1.5rem}
.item p{font-size:.9rem;color:var(--silver);flex:1}
.item .meta{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--steel)}

/* cta band */
.cta-band{background:var(--metal);color:var(--ink);text-align:center;padding:clamp(72px,10vw,120px) 0;position:relative;overflow:hidden}
.cta-band .eyebrow{color:rgba(10,10,11,.6)}
.cta-band .eyebrow::before{display:none}
.cta-band h2{color:var(--ink);margin-bottom:18px}
.cta-band p{color:rgba(10,10,11,.7);max-width:46ch;margin:0 auto 36px}
.cta-band .btn-row{justify-content:center}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(36px,6vw,96px)}
.info-block{padding:26px 0;border-top:1px solid var(--line)}
.info-block:last-child{border-bottom:1px solid var(--line)}
.info-block h4{font:500 .68rem var(--f-body);letter-spacing:.2em;text-transform:uppercase;color:var(--sea);margin-bottom:10px}
.info-block p,.info-block a{font-size:1.05rem;color:var(--platinum);line-height:1.7}
.info-block a:hover{color:var(--sea)}
form{display:grid;gap:18px}
.field{display:grid;gap:8px}
label{font-size:.68rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--steel)}
input,select,textarea{font:300 1rem var(--f-body);color:#fff;background:var(--graphite);border:1px solid var(--line);border-radius:2px;padding:15px 16px;width:100%;transition:border-color .2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--sea)}
textarea{min-height:140px;resize:vertical}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--steel) 50%),linear-gradient(135deg,var(--steel) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px;background-repeat:no-repeat}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-note{font-size:.8rem;color:var(--steel)}

/* footer */
.site-footer{background:#070708;border-top:1px solid var(--line);padding:clamp(56px,8vw,88px) 0 28px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:clamp(28px,4vw,56px);padding-bottom:48px;border-bottom:1px solid var(--line);margin-bottom:28px}
.foot-brand img{height:96px;width:auto;margin-bottom:18px}
.foot-brand p{font-size:.86rem;color:var(--steel);max-width:28ch}
.foot-h{font-size:.68rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--steel);margin-bottom:20px}
.foot-links li{margin-bottom:12px}
.foot-links a{font-size:.9rem;color:var(--silver);transition:color .2s}
.foot-links a:hover{color:#fff}
.foot-contact p{font-size:.9rem;color:var(--silver);margin-bottom:14px;line-height:1.55}
.foot-contact small{display:block;font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--steel);margin-bottom:2px}
.foot-contact a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.76rem;color:var(--steel)}
.socials{display:flex;gap:22px}
.socials a{letter-spacing:.12em;text-transform:uppercase;font-size:.7rem}
.socials a:hover{color:#fff}

/* whatsapp float */
.wa{position:fixed;right:22px;bottom:22px;z-index:90;width:54px;height:54px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 8px 26px rgba(37,211,102,.35);transition:transform .2s var(--ease)}
.wa:hover{transform:translateY(-3px) scale(1.05)}
.wa svg{width:28px;height:28px;fill:#fff}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media(max-width:1080px){
  .cards.c4{grid-template-columns:repeat(2,1fr)}
  .tab-panel.active,.listing,.cards.c3{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{gap:22px}
}
@media(max-width:900px){
  .nav-links,.nav-cta{display:none}
  .burger{display:flex}
  .nav{height:72px}
  .brand img{height:40px}
  .split,.contact-grid{grid-template-columns:1fr}
  .split .media{aspect-ratio:16/11}
  .facts{grid-template-columns:repeat(2,1fr)}
  .fact:nth-child(3){border-left:0}
  .fact:nth-child(n+3){border-top:1px solid var(--line)}
}
@media(max-width:640px){
  .cards.c4,.cards.c3,.cards.c2,.tab-panel.active,.listing,.listing.two,.form-row,.foot-grid{grid-template-columns:1fr}
  .bars{opacity:.32;height:55%}
  .hero h1{max-width:none}
  .btn{width:100%}
  .btn-row{flex-direction:column}
  .step{grid-template-columns:52px 1fr}
  .wa{right:16px;bottom:16px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal,.bars i{opacity:1;transform:none}
}

/* additions */
.item .price{font-family:var(--f-display);font-size:1.6rem;color:#fff;flex:none}
.thumb::after{content:"";position:absolute;inset:0;background:url('logo-mark.png') center/auto 38% no-repeat;opacity:.16}
a.card{color:inherit}
.faq{border-top:1px solid var(--line)}
.faq:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:24px 40px 24px 0;font-family:var(--f-display);font-size:1.45rem;line-height:1.25;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:22px;font:300 1.6rem var(--f-body);color:var(--sea);transition:transform .25s}
.faq[open] summary::after{transform:rotate(45deg)}
.faq p{padding:0 0 26px;color:var(--silver);max-width:62ch}
@media(max-width:900px){.faq-sticky,.split .reveal[style*=sticky]{position:static!important}}