/* ============================================================
   BLACKROCK 52 LLC — Corporate Real Estate
   Dark & Premium theme
   ============================================================ */
:root{
  --bg:#0C0E12;
  --bg-2:#12151A;
  --bg-3:#171B21;
  --panel:#1B1F26;
  --line:#2A2F38;
  --ink:#F4F1EA;
  --muted:#A2A8B2;
  --muted-2:#767C86;
  --gold:#C9A24B;
  --gold-2:#F5D07A;
  --gold-3:#9A7A2E;
  --radius:14px;
  --maxw:1180px;
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --serif:Georgia,'Times New Roman',serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--gold-2);text-decoration:none}
a:hover{color:var(--gold)}
img,svg{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.15;margin:0 0 .5em}
p{margin:0 0 1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.gold{color:var(--gold-2)}
.eyebrow{
  display:inline-block;font-family:var(--sans);font-size:.72rem;font-weight:600;
  letter-spacing:.28em;text-transform:uppercase;color:var(--gold);margin-bottom:1rem;
}
.section{padding:96px 0;position:relative}
.section--alt{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.section-head{max-width:720px;margin-bottom:56px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section h2{font-size:clamp(2rem,4vw,2.9rem)}
.lead{color:var(--muted);font-size:1.08rem}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;cursor:pointer;
  font-family:var(--sans);font-weight:600;font-size:.95rem;letter-spacing:.02em;
  padding:14px 28px;border-radius:999px;border:1px solid transparent;transition:.25s;
}
.btn--gold{background:linear-gradient(135deg,var(--gold-2),var(--gold-3));color:#141414}
.btn--gold:hover{filter:brightness(1.08);transform:translateY(-2px);color:#141414}
.btn--ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold-2)}

/* Header / Nav */
.header{
  position:sticky;top:0;z-index:100;backdrop-filter:blur(12px);
  background:rgba(12,14,18,.82);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.nav__logo{height:44px;width:auto}
.nav__links{display:flex;align-items:center;gap:34px;list-style:none;margin:0;padding:0}
.nav__links a{color:var(--muted);font-size:.92rem;font-weight:500;letter-spacing:.02em}
.nav__links a:hover{color:var(--ink)}
.nav__cta{margin-left:8px}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav__toggle span{display:block;width:26px;height:2px;background:var(--ink);margin:5px 0;transition:.3s}

/* Hero */
.hero{
  position:relative;padding:150px 0 130px;overflow:hidden;
  background:
    linear-gradient(90deg,rgba(9,11,15,.94) 30%,rgba(10,12,16,.72) 70%,rgba(10,12,16,.55)),
    radial-gradient(1000px 500px at 78% -8%,rgba(201,162,75,.20),transparent 60%),
    url('img/hero.jpg') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(115deg,transparent 55%,rgba(201,162,75,.06) 60%,transparent 66%),
    repeating-linear-gradient(90deg,rgba(255,255,255,.015) 0 2px,transparent 2px 90px);
  opacity:.7;
}
.hero__inner{position:relative;z-index:2;max-width:760px}
.hero h1{font-size:clamp(2.6rem,6vw,4.4rem);letter-spacing:-.01em}
.hero p{font-size:1.2rem;color:var(--muted);max-width:620px}
.hero__actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:34px}
.hero__stats{
  display:flex;gap:48px;flex-wrap:wrap;margin-top:64px;
  padding-top:34px;border-top:1px solid var(--line);
}
.stat__num{font-family:var(--serif);font-size:2.5rem;color:var(--gold-2);line-height:1}
.stat__label{font-size:.82rem;color:var(--muted-2);letter-spacing:.06em;text-transform:uppercase;margin-top:6px}

/* Trust bar */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2)}
.trust__row{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px 48px;padding:26px 0}
.trust__item{color:var(--muted-2);font-size:.8rem;letter-spacing:.22em;text-transform:uppercase;font-weight:600}

/* Services grid */
.grid{display:grid;gap:24px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 30px;transition:.28s;position:relative;overflow:hidden;
}
.card::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--gold-2),var(--gold-3));transition:.35s}
.card:hover{transform:translateY(-4px);border-color:#3a3f49}
.card:hover::before{width:100%}
.card__icon{
  width:52px;height:52px;border-radius:12px;display:grid;place-items:center;margin-bottom:20px;
  background:radial-gradient(circle at 30% 25%,rgba(245,208,122,.22),rgba(201,162,75,.06));
  border:1px solid rgba(201,162,75,.35);
}
.card__icon svg{width:26px;height:26px;stroke:var(--gold-2)}
.card h3{font-size:1.28rem}
.card p{color:var(--muted);font-size:.96rem;margin:0}

/* About / split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.about__panel{
  background:linear-gradient(160deg,var(--bg-3),var(--bg-2));border:1px solid var(--line);
  border-radius:var(--radius);padding:34px;box-shadow:var(--shadow);margin-top:28px;
}
.about__media{
  position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);min-height:420px;height:100%;
}
.about__media img{width:100%;height:100%;object-fit:cover;display:block}
.about__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(8,10,13,.35))}
.checklist{list-style:none;margin:22px 0 0;padding:0}
.checklist li{position:relative;padding:10px 0 10px 34px;color:var(--muted);border-bottom:1px solid var(--line)}
.checklist li:last-child{border-bottom:0}
.checklist li::before{
  content:"";position:absolute;left:0;top:14px;width:18px;height:18px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-3));
}
.checklist li::after{content:"";position:absolute;left:6px;top:18px;width:5px;height:9px;border:solid #141414;border-width:0 2px 2px 0;transform:rotate(45deg)}

/* Process steps */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px}
.step__n{
  font-family:var(--serif);font-size:2.4rem;color:var(--gold);opacity:.9;line-height:1;margin-bottom:10px;
}
.step h4{font-size:1.1rem;margin-bottom:.4em}
.step p{color:var(--muted);font-size:.9rem;margin:0}

/* Portfolio */
.folio{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.folio__item{
  border-radius:var(--radius);overflow:hidden;position:relative;border:1px solid var(--line);
  aspect-ratio:16/10;background:var(--bg-3);
}
.folio__item img,.folio__item svg{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.folio__item:hover img{transform:scale(1.05)}
.folio__cap{
  position:absolute;inset:auto 0 0 0;padding:18px 20px;
  background:linear-gradient(0deg,rgba(8,10,13,.92),transparent);
}
.folio__cap h4{margin:0;font-size:1.1rem}
.folio__cap span{color:var(--gold);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase}

/* Testimonials */
.quote{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;
}
.quote p{color:var(--ink);font-family:var(--serif);font-size:1.12rem;font-style:italic}
.quote__who{color:var(--muted-2);font-size:.86rem;font-style:normal;font-family:var(--sans)}
.quote__who strong{color:var(--gold-2);display:block;font-weight:600}

/* Contact */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact-info li{list-style:none;display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.contact-info ul{margin:0;padding:0}
.contact-info .ic{
  flex:0 0 44px;height:44px;border-radius:10px;display:grid;place-items:center;
  border:1px solid rgba(201,162,75,.35);background:rgba(201,162,75,.06);
}
.contact-info .ic svg{width:22px;height:22px;stroke:var(--gold-2)}
.contact-info .lbl{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2)}
.contact-info .val{color:var(--ink)}
.form{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:34px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.82rem;color:var(--muted);margin-bottom:8px;letter-spacing:.03em}
.field input,.field select,.field textarea{
  width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;
  color:var(--ink);padding:13px 15px;font-family:var(--sans);font-size:.95rem;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,162,75,.15)}
.field textarea{min-height:120px;resize:vertical}
.form__note{font-size:.78rem;color:var(--muted-2);margin:6px 0 0}
.form__ok{display:none;background:rgba(201,162,75,.12);border:1px solid var(--gold);color:var(--gold-2);padding:14px;border-radius:10px;margin-bottom:18px}

/* CTA band */
.cta-band{
  position:relative;overflow:hidden;
  background:
    linear-gradient(135deg,rgba(15,17,22,.90),rgba(11,13,17,.86)),
    radial-gradient(700px 300px at 20% 0%,rgba(201,162,75,.20),transparent 60%),
    url('img/cta.jpg') center/cover no-repeat;
  border:1px solid var(--line);border-radius:20px;padding:64px 56px;text-align:center;box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(1.8rem,3.5vw,2.6rem)}
.cta-band p{color:var(--muted);max-width:560px;margin:0 auto 28px}

/* Footer */
.footer{background:#08090C;border-top:1px solid var(--line);padding:64px 0 30px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;margin-bottom:44px}
.footer__logo{height:42px;margin-bottom:18px}
.footer p{color:var(--muted-2);font-size:.92rem}
.footer h5{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin:0 0 18px;font-family:var(--sans);font-weight:600}
.footer ul{list-style:none;margin:0;padding:0}
.footer ul li{margin-bottom:12px}
.footer ul a{color:var(--muted-2);font-size:.92rem}
.footer ul a:hover{color:var(--gold-2)}
.footer__bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  padding-top:26px;border-top:1px solid var(--line);color:var(--muted-2);font-size:.82rem;
}
.footer__bottom a{color:var(--muted-2)}
.disclaimer-note{color:var(--muted-2);font-size:.78rem;max-width:820px;margin-top:20px;line-height:1.6}

/* Legal pages */
.legal{max-width:860px;margin:0 auto;padding:60px 24px 90px}
.legal h1{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:.3em}
.legal .updated{color:var(--muted-2);font-size:.88rem;margin-bottom:40px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.legal h2{font-size:1.4rem;margin:40px 0 .5em;color:var(--gold-2)}
.legal h3{font-size:1.1rem;margin:26px 0 .4em}
.legal p,.legal li{color:var(--muted)}
.legal ul{padding-left:20px}
.legal li{margin-bottom:8px}
.back-link{display:inline-flex;align-items:center;gap:8px;margin-bottom:30px;color:var(--muted);font-size:.9rem}

/* Responsive */
@media(max-width:960px){
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .folio{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:36px}
  .contact-wrap{grid-template-columns:1fr;gap:32px}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .section{padding:70px 0}
  .nav__links{
    position:fixed;inset:76px 0 auto 0;flex-direction:column;gap:0;
    background:var(--bg-2);border-bottom:1px solid var(--line);padding:10px 24px;
    transform:translateY(-140%);transition:.35s;box-shadow:var(--shadow);
  }
  .nav__links.open{transform:translateY(0)}
  .nav__links li{width:100%;border-bottom:1px solid var(--line)}
  .nav__links li:last-child{border-bottom:0;padding:14px 0}
  .nav__links a{display:block;padding:16px 0}
  .nav__toggle{display:block}
  .grid--4,.grid--3,.grid--2,.steps,.folio{grid-template-columns:1fr}
  .hero__stats{gap:28px}
  .cta-band{padding:38px 22px}
  .footer__grid{grid-template-columns:1fr}
}