:root{
  --ink:#14181f; --ink-rgb:20,24,31; --paper:#f5f1e8; --cream:#fdfaf4; --muted:#5f6672;
  --accent:#1d4ed8; --accent-dark:#1e3a8a; --line:rgba(20,24,31,.12);
  --serif:"Fraunces",Georgia,"Times New Roman",serif; --sans:"Inter",Arial,Helvetica,sans-serif;
  --mono:"JetBrains Mono","Courier New",monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--cream);line-height:1.7;font-size:17px}
img,video{max-width:100%;display:block}
a{color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 28px}
/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(var(--ink-rgb),.96);backdrop-filter:blur(8px)}
.nav .container{display:flex;align-items:center;justify-content:space-between;min-height:68px;padding-top:8px;padding-bottom:8px}
.nav .logo{display:flex}
/* full TBS lockup (reversed version for the dark header), 2x asset img/tbs-logo-tagline.png */
.nav .logo img{height:70px;width:auto}
.nav ul{list-style:none;display:flex;gap:28px;align-items:center}
.nav a{color:rgba(255,255,255,.82);text-decoration:none;font-size:15px}
.nav a:hover,.nav a.active{color:#fff}
.nav a.active{border-bottom:2px solid var(--accent);padding-bottom:3px}
.btn{display:inline-block;border-radius:8px;padding:12px 20px;font-weight:600;font-size:15px;text-decoration:none;transition:.2s}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{border:1px solid rgba(255,255,255,.45);color:#fff}.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-line{border:1px solid var(--ink);color:var(--ink)}.btn-line:hover{background:var(--ink);color:#fff}
.nav .btn{color:#fff;padding:9px 16px}
.menu-toggle{display:none;background:none;border:0;color:#fff;font-size:26px}
/* hero */
.hero{position:relative;color:#fff;background:var(--ink);overflow:hidden}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:1;filter:saturate(.8) brightness(.92)}
/* lighter, left- and bottom-weighted scrim (replaces the flat 35%-opacity dimming) so the sky reads blue while hero text stays legible */
.hero .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(var(--ink-rgb),.72) 0%,rgba(var(--ink-rgb),0) 50%),linear-gradient(90deg,rgba(var(--ink-rgb),.74) 0%,rgba(var(--ink-rgb),.6) 40%,rgba(var(--ink-rgb),.2) 70%,rgba(var(--ink-rgb),.08) 100%)}
.hero h1,.hero p.lead,.hero .pill,.stats b,.stats span{text-shadow:0 1px 3px rgba(0,0,0,.45),0 0 18px rgba(0,0,0,.25)}
.hero .container{position:relative;padding-top:120px;padding-bottom:90px}
.pill{display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;border:1px solid rgba(255,255,255,.5);border-radius:999px;padding:4px 12px;margin-bottom:22px}
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;letter-spacing:-.03em;line-height:1.15}
h1{font-size:clamp(2.6rem,6vw,5rem);max-width:15ch}
h1 em,h2 em{font-style:italic;color:#9db8ff}
.light h2 em{color:var(--accent)}
.hero p.lead{font-size:1.2rem;max-width:56ch;color:rgba(255,255,255,.85);margin:22px 0 30px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:64px;padding-top:28px;border-top:1px solid rgba(255,255,255,.18)}
.stats b{display:block;font-family:var(--serif);font-weight:500;font-size:1.6rem;color:#fff}
.stats span{color:rgba(255,255,255,.7);font-size:15px}
/* sections */
section.s{padding:96px 0}
.paper{background:var(--paper)} .cream{background:var(--cream)} .dark{background:var(--ink);color:#fff}
.eyebrow{font-family:var(--mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:14px;display:block}
.dark .eyebrow{color:#9db8ff}
h2{font-size:clamp(2rem,4vw,3.3rem);max-width:22ch}
.intro{max-width:62ch;color:var(--muted);font-size:1.1rem;margin-top:18px}
.dark .intro{color:rgba(255,255,255,.75)}
.grid{display:grid;gap:24px;margin-top:48px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.dark .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.card .media{aspect-ratio:16/10;background:#e9e4d8;overflow:hidden}
.card .media img,.card .media video{width:100%;height:100%;object-fit:cover}
.card .body{padding:22px 24px 26px}
.card h3{font-size:1.45rem;margin-bottom:6px}
.card p{color:var(--muted);font-size:15.5px}
.dark .card p{color:rgba(255,255,255,.72)}
.num{font-family:var(--mono);font-size:12px;color:var(--accent);letter-spacing:.08em;margin-bottom:8px;display:block}
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.split .media{border-radius:16px;overflow:hidden;background:#e9e4d8}
.list{list-style:none;margin-top:24px}
.list li{padding:14px 0;border-top:1px solid var(--line)}
.list li b{font-family:var(--serif);font-weight:500;font-size:1.15rem;display:block}
.list li span{color:var(--muted);font-size:15.5px}
.cta-band{background:var(--ink);color:#fff;border-radius:20px;padding:56px;display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(1.8rem,3.2vw,2.6rem)}
.note{font-size:13px;color:var(--muted);margin-top:18px;font-style:italic}
.placeholder{display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:12px;color:#8a8577;letter-spacing:.06em;text-transform:uppercase;min-height:220px;background:repeating-linear-gradient(45deg,#ece6d8,#ece6d8 10px,#e5dfd0 10px,#e5dfd0 20px)}
.steps{counter-reset:s}
/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:40px}
.contact-list{list-style:none}.contact-list li{padding:14px 0;border-top:1px solid var(--line)}
.contact-list small{display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.map{border-radius:14px;overflow:hidden;border:1px solid var(--line);min-height:320px;background:#e9e4d8}
/* footer */
footer{background:var(--ink);color:rgba(255,255,255,.7);padding:48px 0;font-size:14.5px}
footer .container{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer a{color:rgba(255,255,255,.85);text-decoration:none;margin-right:18px}
footer a:hover{color:#fff}
@media (max-width:900px){
  .g3,.g4{grid-template-columns:repeat(2,1fr)} .split,.contact-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:640px){
  body{font-size:16px} .nav ul{display:none} .nav ul.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:var(--ink);padding:20px;gap:16px}
  .menu-toggle{display:block} .g2,.g3,.g4{grid-template-columns:1fr} .stats{grid-template-columns:1fr;gap:14px;margin-top:40px}
  section.s{padding:64px 0} .hero .container{padding-top:72px;padding-bottom:56px} .cta-band{padding:32px}
  .nav .logo img{height:54px}
  .hero .bg{background-position:86% center} /* keep the Sky Tower in frame on narrow screens */
  .hero .bg::after{background:linear-gradient(to top,rgba(var(--ink-rgb),.72) 0%,rgba(var(--ink-rgb),0) 50%),linear-gradient(90deg,rgba(var(--ink-rgb),.7) 0%,rgba(var(--ink-rgb),.55) 60%,rgba(var(--ink-rgb),.3) 100%)} /* text spans the full width on phones */
}
.split .media img,.split .media video{width:100%;aspect-ratio:4/3;object-fit:cover}