/* ==========================================================================
   OBK Investment Group — shared stylesheet
   Palette: deep navy / brass gold / sand, evoking the Gulf coastline at dusk
   Display: Playfair Display · Body: Archivo
   ========================================================================== */

:root{
  --navy-deep:#0B2436;
  --navy-mid:#123247;
  --navy-soft:#1B415A;
  --gold:#B8935A;
  --gold-light:#D8B98A;
  --sand:#EDE6D6;
  --cream:#F7F4EC;
  --ink:#101A20;
  --slate:#56666E;
  --line: rgba(184,147,90,0.35);
  --line-dark: rgba(247,244,236,0.16);
  --radius: 2px;
  --max: 1180px;
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --text-display: clamp(2.4rem, 5vw, 3.85rem);
  --text-h2: clamp(1.7rem, 3vw, 2.4rem);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:"Archivo",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:"Playfair Display","Georgia",serif;
  font-weight:600;
  color:var(--navy-deep);
  margin:0 0 .5em;
  letter-spacing:-0.015em;
  line-height:1.12;
  font-optical-sizing:auto;
}
h2{font-size:var(--text-h2);}
.on-dark h1,.on-dark h2,.on-dark h3,.on-dark h4{color:var(--cream);}

p{margin:0 0 1.1em; color:var(--slate); max-width:65ch;}
.on-dark p{color:rgba(247,244,236,0.78);}
a{color:inherit;}
img{max-width:100%;display:block;}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  font-family:"Archivo",sans-serif;
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--gold);
  font-weight:600;
  margin-bottom:1em;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;background:var(--gold);
  display:inline-block;
}

.wrap{max-width:var(--max); margin:0 auto; padding:0 32px;}

/* ---------- horizon signature mark ---------- */
.horizon{
  display:flex; align-items:center; gap:14px;
  margin:2.2rem 0;
}
.horizon svg{flex:none;}
.horizon .rule{flex:1; height:1px; background:linear-gradient(90deg, var(--gold), transparent);}
.horizon.center{justify-content:center;}
.horizon.center .rule{max-width:120px;}

/* ---------- header / nav ---------- */
header.site-header{
  position:sticky; top:0; z-index:100;
  background:var(--navy-deep);
  border-bottom:1px solid var(--line);
  transition:box-shadow .35s ease, border-color .35s ease;
}
header.site-header.is-scrolled{
  border-color:rgba(184,147,90,0.55);
  box-shadow:0 12px 32px -18px rgba(8,24,38,0.6);
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 32px; max-width:var(--max); margin:0 auto;
}
.brand{display:flex; align-items:center; gap:12px; text-decoration:none;}
.brand img{height:38px; width:auto;}
.brand-fallback{
  font-family:"Playfair Display",serif; font-weight:600; font-size:1.3rem; color:var(--cream);
  letter-spacing:.02em;
}
.brand-fallback span{color:var(--gold);}

nav.primary{display:flex; align-items:center; gap:2px;}
nav.primary > .nav-item{position:relative;}
nav.primary a.top-link{
  display:block; padding:10px 16px;
  color:var(--cream); text-decoration:none;
  font-size:.92rem; letter-spacing:.02em;
  border-radius:var(--radius);
  transition:color .2s ease;
  position:relative;
}
nav.primary a.top-link::after{
  content:""; position:absolute; left:16px; right:16px; bottom:6px;
  height:1px; background:var(--gold-light);
  transform:scaleX(0); transform-origin:left center;
  transition:transform .28s var(--ease-out-quart);
}
nav.primary a.top-link:hover::after,
nav.primary a.top-link:focus-visible::after{transform:scaleX(1);}
nav.primary a.top-link:hover{color:var(--gold-light);}
.nav-item .dropdown{
  position:absolute; top:100%; left:0;
  background:var(--navy-mid);
  border:1px solid var(--line);
  min-width:230px;
  padding:8px;
  opacity:0; visibility:hidden; transform:translateY(6px);
  transition:all .18s ease;
}
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown{
  opacity:1; visibility:visible; transform:translateY(0);
}
.dropdown a{
  display:block; padding:10px 12px; color:var(--cream);
  text-decoration:none; font-size:.88rem; border-radius:var(--radius);
  opacity:0; transform:translateY(5px);
  transition:opacity .22s var(--ease-out-quart), transform .22s var(--ease-out-quart),
             background .15s ease, color .15s ease;
}
.nav-item:hover .dropdown a, .nav-item:focus-within .dropdown a{opacity:1; transform:none;}
.dropdown a:nth-child(2){transition-delay:.03s;}
.dropdown a:nth-child(3){transition-delay:.06s;}
.dropdown a:nth-child(4){transition-delay:.09s;}
.dropdown a:nth-child(5){transition-delay:.12s;}
.dropdown a:hover{background:var(--navy-soft); color:var(--gold-light);}

.nav-toggle{display:none;}

@media (max-width: 900px){
  nav.primary{
    position:fixed; inset:64px 0 0 0; background:var(--navy-deep);
    flex-direction:column; align-items:stretch; padding:16px;
    transform:translateX(100%); transition:transform .25s ease;
    overflow:auto;
  }
  nav.primary.open{transform:translateX(0);}
  .nav-item .dropdown{
    position:static; opacity:1; visibility:visible; transform:none;
    display:none; border:none; background:transparent; padding:0 0 0 16px;
  }
  .nav-item .dropdown a{opacity:1; transform:none; transition-delay:0s;}
  nav.primary a.top-link::after{content:none;}
  .nav-item.open .dropdown{display:block;}
  .nav-toggle{
    display:flex; align-items:center; justify-content:center;
    width:40px; height:40px; background:none; border:1px solid var(--line);
    color:var(--cream); font-size:1.1rem; cursor:pointer;
  }
}

/* ---------- hero ---------- */
.hero{
  position:relative; background:var(--navy-deep); color:var(--cream);
  padding:110px 0 90px; overflow:hidden;
}
.hero .wrap{position:relative; z-index:2;}
.hero h1{
  font-size:var(--text-display);
  max-width:16ch;
  color:var(--cream);
  line-height:1.08;
}
.hero .lede{max-width:56ch; font-size:1.08rem;}
.hero-skyline{
  position:absolute; left:0; right:0; bottom:0; width:100%; height:auto;
  opacity:.9;
}
.hero-actions{display:flex; gap:14px; flex-wrap:wrap; margin-top:1.6rem;}

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 26px; text-decoration:none;
  font-size:.85rem; letter-spacing:.06em; text-transform:uppercase;
  border:1px solid var(--gold); border-radius:var(--radius);
  font-weight:600;
  transition:background .22s var(--ease-out-quart), border-color .22s var(--ease-out-quart),
             color .22s var(--ease-out-quart), transform .18s var(--ease-out-quart);
}
.btn:hover{transform:translateY(-1px);}
.btn:active{transform:translateY(0) scale(.985); transition-duration:.09s;}
.btn:focus-visible{outline:2px solid var(--gold-light); outline-offset:3px;}
.btn-gold{background:var(--gold); color:var(--navy-deep);}
.btn-gold:hover{background:var(--gold-light); border-color:var(--gold-light);}
.btn-ghost{color:var(--cream); border-color:var(--line-dark);}
.btn-ghost:hover{border-color:var(--gold); color:var(--gold-light);}

/* ---------- sections ---------- */
section{padding:88px 0;}
section.tight{padding:64px 0;}
.section-dark{background:var(--navy-deep); color:var(--cream);}
.section-sand{background:var(--sand);}

.pillars{
  display:grid; grid-template-columns:repeat(3,1fr); gap:32px; margin-top:2.4rem;
}
.pillar{
  padding:30px; background:var(--navy-mid); border:1px solid var(--line);
  transition:border-color .3s ease;
}
.pillar:hover{border-color:rgba(184,147,90,0.7);}
.pillar h3{font-size:1.15rem; color:var(--gold-light);}
.pillar p{margin:0; font-size:.95rem;}

.portfolio-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line); margin-top:2rem;
}
.portfolio-card{
  background:var(--cream); padding:34px 28px; text-decoration:none; color:var(--ink);
  display:flex; flex-direction:column; gap:10px; min-height:210px;
  transition:background .25s var(--ease-out-quart);
  position:relative;
}
.portfolio-card::before{
  content:""; position:absolute; top:-1px; left:0; width:100%; height:1px;
  background:var(--gold); z-index:1;
  transform:scaleX(0); transform-origin:left center;
  transition:transform .45s var(--ease-out-quart);
}
.portfolio-card:hover::before, .portfolio-card:focus-visible::before{transform:scaleX(1);}
.portfolio-card:hover{background:#fff;}
.portfolio-card .go{transition:transform .3s var(--ease-out-quart);}
.portfolio-card:hover .go{transform:translateX(4px);}
.portfolio-card .mark{font-size:.72rem; letter-spacing:.18em; text-transform:uppercase; color:var(--gold); font-weight:700;}
.portfolio-card h3{font-size:1.25rem; margin-bottom:.3em;}
.portfolio-card p{font-size:.92rem; margin-bottom:0; flex:1;}
.portfolio-card .go{font-size:.8rem; color:var(--navy-deep); font-weight:600; letter-spacing:.02em;}

/* ---------- team ---------- */
.team-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:36px; margin-top:2rem;}
.team-card{background:#fff; border:1px solid var(--line); padding:0; overflow:hidden; transition:border-color .3s ease;}
.team-card:hover{border-color:rgba(184,147,90,0.7);}
.team-photo{width:100%; aspect-ratio:4/5; object-fit:cover; background:var(--sand); display:block;
  filter:saturate(.88); transition:transform .6s var(--ease-out-quart), filter .6s ease;}
.team-card:hover .team-photo{transform:scale(1.03); filter:saturate(1);}
.team-photo.mono{
  display:flex; align-items:center; justify-content:center;
  font-family:"Playfair Display",serif; font-size:2.6rem; color:var(--navy-deep);
  background:linear-gradient(160deg, var(--sand), #fff);
}
.team-body{padding:22px 22px 26px;}
.team-body h3{font-size:1.05rem; margin-bottom:.15em;}
.team-role{font-size:.78rem; letter-spacing:.08em; text-transform:uppercase; color:var(--gold); font-weight:700; margin-bottom:.8em; display:block;}
.team-body p{font-size:.9rem; margin-bottom:0;}

.chairman-block{
  display:grid; grid-template-columns:0.85fr 1.15fr; gap:56px; align-items:start;
}
.chairman-block img{border:1px solid var(--line);}

/* ---------- quote ---------- */
blockquote{
  font-family:"Playfair Display",serif; font-style:italic; font-weight:500; font-size:1.5rem;
  line-height:1.5; margin:0; color:inherit; max-width:44ch;
}
blockquote cite{
  display:block; font-family:"Archivo",sans-serif; font-style:normal;
  font-size:.85rem; letter-spacing:.05em; text-transform:uppercase; color:var(--gold);
  margin-top:1.4rem;
}

/* ---------- contact ---------- */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:56px;}
.info-list{list-style:none; margin:0; padding:0;}
.info-list li{
  padding:16px 0; border-bottom:1px solid var(--line-dark);
  display:flex; gap:14px; font-size:.95rem;
}
.info-list .k{color:var(--gold); font-size:.75rem; letter-spacing:.1em; text-transform:uppercase; width:110px; flex:none; padding-top:2px;}
form.contact-form{display:flex; flex-direction:column; gap:16px;}
form.contact-form label{
  font-size:.75rem; letter-spacing:.1em; text-transform:uppercase; color:var(--gold);
  display:block; margin-bottom:6px;
}
form.contact-form input, form.contact-form textarea{
  width:100%; background:var(--navy-mid); border:1px solid var(--line);
  color:var(--cream); padding:12px 14px; font-family:inherit; font-size:.95rem;
  transition:border-color .25s ease, box-shadow .25s ease;
}
form.contact-form input:focus, form.contact-form textarea:focus{
  outline:none; border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(184,147,90,0.18);
}
form.contact-form textarea{resize:vertical; min-height:120px;}
.map-frame{width:100%; height:280px; border:1px solid var(--line); filter:grayscale(.4) contrast(1.05);}

/* ---------- footer ---------- */
footer.site-footer{
  background:var(--navy-deep); color:rgba(247,244,236,0.7);
  padding:40px 0 28px; border-top:1px solid var(--line);
}
.footer-row{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px;}
.footer-links{display:flex; gap:22px; list-style:none; margin:0; padding:0; flex-wrap:wrap;}
.footer-links a{text-decoration:none; font-size:.85rem; color:rgba(247,244,236,0.75); transition:color .2s ease;}
.footer-links a:hover{color:var(--gold-light);}
.footer-fine{font-size:.78rem; margin-top:18px; color:rgba(247,244,236,0.45);}

/* ---------- utility ---------- */
.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center;}
.badge-strip{display:flex; gap:34px; flex-wrap:wrap; align-items:center; margin-top:2.2rem; opacity:.85;}
.badge-strip img{height:36px; width:auto; filter:brightness(0) invert(1) opacity(.8);}

@media (max-width: 900px){
  nav.primary:not(.open){display:none;}
  .pillars, .portfolio-grid, .team-grid{grid-template-columns:1fr;}
  .chairman-block, .contact-grid, .grid-2{grid-template-columns:1fr; gap:32px;}
  .hero{padding:80px 0 70px;}
  section{padding:60px 0;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
}