:root{
  --bg:#faf8f4;
  --bg-alt:#f2efe9;
  --card:#ffffff;
  --ink:#1a2b42;
  --ink-soft:#4a5a6e;
  --muted:#7a8699;
  --gold:#c19a53;
  --gold-dark:#a87f38;
  --line:#e4ddd0;
  --shadow:0 18px 50px rgba(26,43,66,.10);
  --shadow-sm:0 8px 24px rgba(26,43,66,.08);
  --font-display:'Playfair Display',Georgia,serif;
  --font-sans:'Inter',system-ui,-apple-system,sans-serif;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}

h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink);line-height:1.2;font-weight:700}

/* ---------- Buttons ---------- */
.btn{display:inline-block;padding:14px 30px;font-weight:600;font-size:.86rem;letter-spacing:.06em;text-transform:uppercase;border-radius:2px;transition:.3s;cursor:pointer;border:1px solid transparent}
.btn-gold{background:var(--gold);color:#fff}
.btn-gold:hover{background:var(--gold-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(193,154,83,.35)}
.btn-outline{border-color:rgba(255,255,255,.7);color:#fff}
.btn-outline:hover{background:#fff;color:var(--ink)}

/* ---------- Header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;transition:.35s;padding:20px 0}
.site-header.scrolled{background:rgba(250,248,244,.95);backdrop-filter:blur(10px);box-shadow:0 2px 18px rgba(26,43,66,.08);padding:12px 0}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand-logo{height:46px;width:auto;transition:.35s;filter:brightness(0) invert(1)}
.site-header.scrolled .brand-logo{filter:none;height:40px}
.main-nav{display:flex;align-items:center;gap:26px}
.main-nav>a{font-size:.82rem;font-weight:500;letter-spacing:.04em;color:rgba(255,255,255,.92);transition:.25s;position:relative;padding:4px 0}
.main-nav>a:hover,.main-nav>a.is-active{color:var(--gold)}
.main-nav>a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--gold);transition:.3s}
.main-nav>a:hover::after,.main-nav>a.is-active::after{width:100%}
.site-header.scrolled .main-nav>a{color:var(--ink-soft)}
.site-header.scrolled .main-nav>a:hover,.site-header.scrolled .main-nav>a.is-active{color:var(--gold-dark)}
.nav-contact{border:1px solid var(--gold);border-radius:2px;padding:8px 18px!important;color:var(--gold)!important}
.nav-contact:hover{background:var(--gold);color:#fff!important}
.nav-contact::after{display:none!important}
.lang-switch{display:flex;align-items:center;gap:9px;padding-left:18px;border-left:1px solid rgba(255,255,255,.3)}
.site-header.scrolled .lang-switch{border-left-color:var(--line)}
.lang-flag{opacity:.55;transition:.25s;border-radius:2px;overflow:hidden;line-height:0}
.lang-flag img{width:26px;height:18px;object-fit:cover}
.lang-flag:hover,.lang-flag.is-active{opacity:1;box-shadow:0 0 0 2px var(--gold)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{width:26px;height:2px;background:#fff;transition:.3s}
.site-header.scrolled .nav-toggle span{background:var(--ink)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.08);will-change:transform}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(14,24,38,.80),rgba(14,24,38,.45) 55%,rgba(14,24,38,.30))}
.hero-content{position:relative;z-index:2;color:#fff;max-width:760px;padding-top:80px}
.hero-tagline{text-transform:uppercase;letter-spacing:.28em;font-size:.8rem;color:var(--gold);font-weight:600;margin-bottom:22px}
.hero-title{font-size:clamp(2.6rem,6vw,4.6rem);color:#fff;margin-bottom:22px;font-weight:800}
.hero-subtitle{font-size:1.18rem;color:rgba(255,255,255,.9);max-width:560px;margin-bottom:38px;font-weight:300}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}

/* ---------- Page hero (projects) ---------- */
.page-hero{position:relative;min-height:62vh;display:flex;align-items:flex-end;padding-bottom:64px;overflow:hidden}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.page-hero-content{position:relative;z-index:2;color:#fff;max-width:820px;padding-top:120px}
.page-hero .hero-subtitle{max-width:720px}

/* ---------- Sections ---------- */
.section{padding:110px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:820px;margin-bottom:56px}
.section-num{display:inline-block;font-family:var(--font-display);font-size:1rem;color:var(--gold);font-weight:600;letter-spacing:.2em;margin-bottom:14px}
.section-num::before{content:'';display:inline-block;width:40px;height:1px;background:var(--gold);vertical-align:middle;margin-right:14px}
.section-title{font-size:clamp(1.9rem,3.6vw,2.9rem);margin-bottom:18px}
.section-sub{font-size:1.1rem;color:var(--ink-soft)}

/* ---------- Strategy ---------- */
.strategy-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:54px;align-items:start}
.strategy-intro{font-size:1.06rem;color:var(--ink-soft);line-height:1.9}

.check-list{list-style:none;display:flex;flex-direction:column;gap:13px}
.check-list li{position:relative;padding-left:30px;color:var(--ink-soft);font-size:.98rem}
.check-list li::before{content:'';position:absolute;left:0;top:9px;width:9px;height:9px;background:var(--gold);transform:rotate(45deg)}

/* ---------- Cards ---------- */
.card-duo{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.info-card{background:var(--card);border-radius:4px;overflow:hidden;box-shadow:var(--shadow-sm);transition:.35s;border:1px solid var(--line)}
.info-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.info-card-img{height:230px;background-size:cover;background-position:center}
.info-card-body{padding:34px}
.info-card-body h3{font-size:1.5rem;margin-bottom:6px}
.info-card-sub{color:var(--gold-dark);font-weight:500;margin-bottom:22px;font-size:.95rem}

/* ---------- Execution ---------- */
.execution-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:54px;align-items:center}
.execution-img{height:460px;border-radius:4px;background-size:cover;background-position:center;box-shadow:var(--shadow)}
.step-list{list-style:none;display:flex;flex-direction:column;gap:20px}
.step-list li{display:flex;gap:20px;align-items:flex-start;padding-bottom:20px;border-bottom:1px solid var(--line)}
.step-list li:last-child{border-bottom:none}
.step-no{font-family:var(--font-display);color:var(--gold);font-weight:700;font-size:1.3rem;min-width:40px}
.step-list li span:last-child{color:var(--ink-soft);padding-top:4px}

/* ---------- Contact ---------- */
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.contact-card{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:40px 32px;text-align:center;box-shadow:var(--shadow-sm);transition:.3s}
.contact-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.contact-ic{font-size:1.8rem;color:var(--gold);display:block;margin-bottom:16px}
.contact-card h4{font-size:1rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}
.contact-card p,.contact-card a{color:var(--ink-soft);font-size:.98rem;word-break:break-word}
.contact-card a:hover{color:var(--gold-dark)}

/* ---------- Projects page ---------- */
.project-head{max-width:860px;margin-bottom:46px}
.project-category{text-transform:uppercase;letter-spacing:.16em;font-size:.78rem;color:var(--gold-dark);font-weight:600;margin-bottom:6px}
.project-tagline{font-family:var(--font-display);font-style:italic;font-size:1.3rem;color:var(--ink-soft);margin:6px 0 16px}
.project-location{color:var(--muted);font-size:.95rem}
.fc-label{color:var(--ink);font-weight:600}
.project-main{display:grid;grid-template-columns:1.5fr 1fr;gap:54px;align-items:start;margin-bottom:54px}
.project-copy p{color:var(--ink-soft);margin-bottom:18px;line-height:1.9}
.project-link{margin-top:10px}
.project-highlights{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:34px;box-shadow:var(--shadow-sm)}
.project-highlights h4{font-size:1.15rem;margin-bottom:20px;padding-bottom:14px;border-bottom:2px solid var(--gold)}
.gallery-label{font-size:1.15rem;margin-bottom:22px}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery-item{border-radius:4px;overflow:hidden;box-shadow:var(--shadow-sm);aspect-ratio:4/3;background:var(--bg-alt)}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:.5s}
.gallery-item:hover img{transform:scale(1.07)}

/* ---------- Footer ---------- */
.site-footer{background:#12202f;color:rgba(255,255,255,.82);padding-top:70px}
.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding-bottom:50px}
.footer-logo{height:52px;margin-bottom:18px}
.footer-tag{color:rgba(255,255,255,.6);max-width:320px;font-size:.95rem}
.footer-contact h4{color:#fff;font-size:1.2rem;margin-bottom:18px}
.footer-contact p{margin-bottom:10px;font-size:.96rem;color:rgba(255,255,255,.75)}
.footer-contact a:hover{color:var(--gold)}
.footer-contact .fc-label{color:var(--gold);font-weight:600}
.footer-bar{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;text-align:center}
.footer-bar p{font-size:.85rem;color:rgba(255,255,255,.55)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .strategy-grid,.execution-grid,.card-duo,.project-main{grid-template-columns:1fr;gap:34px}
  .execution-img{height:320px}
  .contact-cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .nav-toggle{display:flex}
  .main-nav{position:fixed;top:0;right:-100%;height:100vh;width:min(320px,82vw);background:#12202f;flex-direction:column;align-items:flex-start;justify-content:center;padding:40px 40px;gap:22px;transition:.4s;box-shadow:-10px 0 40px rgba(0,0,0,.3)}
  .main-nav.open{right:0}
  .main-nav>a{color:rgba(255,255,255,.9)!important;font-size:1rem}
  .site-header.scrolled .main-nav>a{color:rgba(255,255,255,.9)!important}
  .lang-switch{border-left:none;padding-left:0;padding-top:20px;border-top:1px solid rgba(255,255,255,.15);width:100%}
  .nav-toggle{z-index:120}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav-toggle.open span{background:#fff!important}
}
@media(max-width:560px){
  .section{padding:72px 0}
  .container{padding:0 20px}
  .gallery-grid{grid-template-columns:1fr}
  .hero-cta{flex-direction:column;align-items:flex-start}
}