:root{
  --navy:#0b1f3a;
  --blue:#173d68;
  --black:#111318;
  --text:#202936;
  --muted:#6c7788;
  --line:#dfe5ec;
  --soft:#f5f8fc;
  --white:#fff;
  --success:#176b3a;
  --danger:#a72d2d;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:#fff;line-height:1.58}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
img{display:block;max-width:100%}
.container{width:min(1180px,calc(100% - 40px));margin:auto}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{height:78px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;color:var(--navy)}
.mark{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;font-size:14px;font-weight:900;box-shadow:0 10px 24px rgba(11,31,58,.16)}
.desktop{display:flex;align-self:stretch;align-items:stretch;gap:4px;margin-left:auto}
.desktop a{position:relative;display:flex;align-items:center;padding:0 18px;color:var(--text);font-size:14px;font-weight:750}
.desktop a.active{color:var(--navy);font-weight:850}
.desktop a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:4px;background:var(--navy);border-radius:4px 4px 0 0}
.desktop a:hover{color:var(--navy)}
.cta,.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 20px;font-weight:800}
.cta,.primary{background:var(--navy);color:#fff;border:1px solid var(--navy)}
.secondary{background:#fff;color:var(--navy);border:1px solid var(--line)}
.menu-btn{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer}
.menu-btn span{display:block;width:20px;height:2px;background:var(--navy);margin:4px auto}
.mobile-menu{display:none;position:fixed;top:86px;right:14px;width:min(320px,calc(100% - 28px));padding:14px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 60px rgba(11,31,58,.16);z-index:49}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:13px;border-radius:12px;font-weight:800;color:var(--navy)}
.mobile-menu a.active{background:var(--navy);color:#fff}
.mobile-menu .cta{margin-top:8px;text-align:center;color:#fff}

/* Homepage */
.hero{padding:80px 0;background:radial-gradient(circle at 85% 10%,rgba(23,61,104,.10),transparent 28%),linear-gradient(#fff,#f8fafc)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
h1{font-size:clamp(48px,6.2vw,80px);line-height:.98;letter-spacing:-.055em;margin:0 0 24px;color:var(--black)}
h1 span{color:var(--navy)}
.lead{font-size:19px;color:var(--muted);max-width:690px}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.home-slider{position:relative;min-height:620px;border-radius:20px;overflow:hidden;box-shadow:0 24px 60px rgba(11,31,58,.14);background:#dbe3ec}
.home-slide{position:absolute;inset:0;opacity:0;transition:opacity .65s ease;background-size:cover;background-position:center}
.home-slide.active{opacity:1}
.home-slide-1{background-image:url('images/home-slide-1.jpeg')}
.home-slide-2{background-image:url('images/home-slide-2.jpg')}
.home-slide-3{background-image:url('images/home-slide-3.jpg')}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:22px;overflow:hidden;margin-top:-18px;position:relative;background:#fff}
.metric{padding:26px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric strong{display:block;font-size:31px;color:var(--navy)}
.metric span{font-size:14px;color:var(--muted)}
.section{padding:92px 0}
.soft{background:var(--soft)}
.section-head{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:34px}
.section h2{font-size:clamp(40px,5vw,62px);line-height:1.02;letter-spacing:-.045em;margin:0;color:var(--black)}
.section p{color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{padding:28px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 14px 35px rgba(11,31,58,.05)}
.card h3{margin:0 0 10px;color:var(--navy)}
.card p{margin:0;color:var(--muted)}
.icon{width:47px;height:47px;border-radius:14px;background:var(--navy);color:#fff;display:grid;place-items:center;margin-bottom:24px;font-weight:900}
.band{margin-bottom:90px;padding:40px;border-radius:28px;background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;display:flex;justify-content:space-between;align-items:center;gap:25px}
.band h2{font-size:40px;margin:0 0 8px}
.band p{margin:0;color:#dce5ef}

/* Team */
.team-hero-slim{padding:42px 0;background:var(--navy);color:#fff}
.team-hero-slim h1{font-size:clamp(34px,4vw,44px);color:#fff;margin:0 0 10px}
.team-hero-slim p{font-size:17px;color:#d9e4ef;max-width:900px;margin:0}
.executive-list{display:grid;gap:28px}
.executive-profile{display:grid;grid-template-columns:220px 1fr;gap:34px;align-items:start;padding:32px;border:1px solid var(--line);border-radius:24px;background:#fff}
.portrait-placeholder{width:160px;height:160px;margin:auto;border-radius:50%;background:linear-gradient(135deg,#e5ebf1,#b8c5d1);display:grid;place-items:center;color:var(--navy);font-weight:900;border:7px solid #f5f8fc}
.executive-profile h2{font-size:30px;margin:0;color:var(--navy)}
.executive-title{font-size:16px;font-weight:750;margin:2px 0 8px}
.executive-specialty{color:var(--blue);font-weight:800;font-size:15px;margin-bottom:16px}
.executive-profile p{font-size:16px;line-height:1.8;color:var(--muted);margin:0 0 14px}

/* Projects sliders */
.project-slider-section{padding:76px 0}
.project-slider-section:nth-child(even){background:var(--soft)}
.project-slider-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:26px}
.project-slider-heading h2{margin:0;font-size:clamp(36px,5vw,54px);line-height:1.02;letter-spacing:-.045em;color:var(--black)}
.project-slider-heading h3{margin:8px 0 0;color:var(--navy);font-size:22px}
.project-slider-heading p{margin:0;max-width:600px;color:var(--muted)}
.category-slider{position:relative;overflow:hidden}
.category-slides{position:relative;min-height:650px}
.category-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transform:translateX(30px);transition:opacity .45s ease,transform .45s ease,visibility .45s ease}
.category-slide.active{opacity:1;visibility:visible;transform:translateX(0)}
.category-slide-card{display:grid;grid-template-columns:1.08fr .92fr;min-height:610px;border:1px solid var(--line);border-radius:28px;overflow:hidden;background:#fff;box-shadow:0 20px 48px rgba(11,31,58,.08)}
.category-visual{position:relative;min-height:610px;overflow:hidden;background:linear-gradient(135deg,#cbd6e1,#73879b)}
.category-visual.commercial{background:linear-gradient(135deg,#d8cfbf,#927f66)}
.category-visual.residential{background:linear-gradient(135deg,#cdd9cf,#809184)}
.category-visual::before{content:"";position:absolute;left:7%;right:7%;bottom:0;height:75%;border-radius:12px 12px 0 0;background:repeating-linear-gradient(90deg,#eef2f5 0 32px,#294561 32px 50px),linear-gradient(#fff,#aeb9c5);box-shadow:0 24px 50px rgba(0,0,0,.18)}
.category-copy{padding:42px;display:flex;flex-direction:column;justify-content:center}
.category-label{display:inline-block;color:var(--navy);font-size:12px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.category-copy h3{margin:10px 0 6px;font-size:36px;line-height:1.05;letter-spacing:-.04em;color:var(--black)}
.category-location{color:var(--blue);font-weight:800;margin-bottom:16px}
.category-copy p{color:var(--muted);margin:0 0 22px}
.category-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:24px}
.category-meta div{padding:15px;border:1px solid var(--line);border-radius:15px;background:var(--soft)}
.category-meta strong{display:block;color:var(--navy)}
.category-meta span{color:var(--muted);font-size:13px}
.investment-badge{display:inline-block;align-self:flex-start;margin-bottom:14px;padding:8px 11px;border-radius:999px;background:var(--navy);color:#fff;font-size:12px;font-weight:850}
.category-dots{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:24px}
.category-dot{width:12px;height:12px;border-radius:50%;border:2px solid var(--navy);background:#fff;padding:0;cursor:pointer}
.category-dot.active{background:var(--navy);transform:scale(1.18)}
.category-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:14px}
.category-tab{border:1px solid var(--line);background:#fff;color:var(--navy);padding:9px 12px;border-radius:999px;font-size:12px;font-weight:800;cursor:pointer}
.category-tab.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.slider-arrow{position:absolute;z-index:5;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.45);background:rgba(11,31,58,.55);color:#fff;font-size:23px;cursor:pointer}
.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}

/* Invest */
.page-hero{padding:76px 0 52px;background:linear-gradient(#fff,#f7f9fc);border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(40px,5vw,62px);margin:0}
.page-hero p{max-width:720px;font-size:18px;color:var(--muted)}
.invest-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.invest-card{border:1px solid var(--line);border-radius:26px;overflow:hidden;background:#fff;box-shadow:0 16px 42px rgba(11,31,58,.07)}
.invest-visual{min-height:290px;position:relative;overflow:hidden;background:linear-gradient(135deg,#c8d5e2,#7e91a6)}
.invest-visual.alt{background:linear-gradient(135deg,#d8d0c2,#95836b)}
.invest-visual::before{content:"";position:absolute;left:8%;right:8%;bottom:0;height:72%;border-radius:10px 10px 0 0;background:repeating-linear-gradient(90deg,#eff3f6 0 28px,#2a4561 28px 45px),linear-gradient(#fff,#acb9c6);box-shadow:0 20px 40px rgba(0,0,0,.16)}
.invest-copy{padding:28px}
.invest-copy h2{margin:7px 0 8px;color:var(--navy);font-size:30px;letter-spacing:-.03em}
.invest-copy p{color:var(--muted)}
.invest-facts{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:20px 0}
.invest-fact{border:1px solid var(--line);border-radius:15px;padding:14px;background:var(--soft)}
.invest-fact strong{display:block;color:var(--navy)}
.invest-fact span{color:var(--muted);font-size:13px}

/* Contact */
.contact-hero{padding:74px 0 26px;text-align:center}
.contact-hero h1{font-size:clamp(42px,6vw,68px);margin-bottom:18px}
.contact-hero p{max-width:800px;margin:auto;color:var(--muted);font-size:18px}
.contact-wrap{padding:20px 0 86px}
.contact-form{max-width:820px;margin:auto;padding:32px;border:1px solid var(--line);border-radius:26px;background:#fff;box-shadow:0 16px 42px rgba(11,31,58,.06)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
label{display:block;font-size:13px;font-weight:800;color:var(--navy);margin-bottom:7px}
input,select,textarea{width:100%;padding:14px 15px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(11,31,58,.08)}
textarea{min-height:170px;resize:vertical}
.hp{position:absolute;left:-9999px}
.status{max-width:820px;margin:0 auto 18px;padding:14px 16px;border-radius:14px}
.status.success{background:#ecf8f0;border:1px solid #b9dec7;color:var(--success)}
.status.error{background:#fff0f0;border:1px solid #e2baba;color:var(--danger)}
.brand-signoff{text-align:center;margin-top:28px;color:#a5afbb;font-size:14px;font-weight:750}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:30px 0 42px;color:var(--muted)}
.footer{display:flex;justify-content:space-between;gap:20px}
.footer-links{display:flex;gap:18px}

@media(max-width:900px){
  .desktop,.desktop-cta{display:none}
  .menu-btn{display:block}
  .hero-grid{grid-template-columns:1fr}
  .home-slider{min-height:500px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .cards,.invest-grid{grid-template-columns:1fr}
  .section-head,.band,.project-slider-heading{flex-direction:column;align-items:flex-start}
  .executive-profile{grid-template-columns:1fr}
  .category-slide-card{grid-template-columns:1fr}
  .category-slides{min-height:860px}
  .category-visual{min-height:390px}
}
@media(max-width:560px){
  .container{width:min(100% - 24px,1180px)}
  .hero{padding-top:58px}
  .home-slider{min-height:400px}
  .metrics{grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px solid var(--line)}
  .form-grid,.category-meta{grid-template-columns:1fr}
  .footer{flex-direction:column}
  .category-slides{min-height:900px}
  .category-copy{padding:24px}
  .category-copy h3{font-size:29px}
  .category-tabs{justify-content:flex-start}
  .contact-form{padding:22px}
}