/* =========================================================
   RA VISION — Premium Corporate Design System
   Apple-style minimalism | Navy / Charcoal / Silver
   ========================================================= */

:root{
  --navy:#0B1B3F;
  --navy-2:#13234E;
  --charcoal:#1D1D1F;
  --graphite:#3A3A3D;
  --silver:#B8C2D1;
  --silver-2:#D8DEE8;
  --line:#E6E8EE;
  --bg:#FFFFFF;
  --bg-soft:#F7F8FA;
  --bg-cool:#F2F4F8;
  --text:#1D1D1F;
  --text-2:#4A4A4F;
  --text-3:#8A8A92;
  --accent:#0B1B3F;
  --radius:18px;
  --radius-sm:12px;
  --shadow-sm: 0 1px 2px rgba(11,27,63,0.04), 0 4px 12px rgba(11,27,63,0.04);
  --shadow-md: 0 4px 14px rgba(11,27,63,0.06), 0 18px 40px rgba(11,27,63,0.06);
  --shadow-lg: 0 10px 30px rgba(11,27,63,0.08), 0 30px 60px rgba(11,27,63,0.08);
  --ease: cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Inter","SF Pro Display","Helvetica Neue",Helvetica,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.55;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-feature-settings:"ss01","cv11";
  letter-spacing:-0.01em;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
button{font-family:inherit;cursor:pointer;border:none;background:none}

/* ---------- Container ---------- */
.container{max-width:1240px;margin:0 auto;padding:0 28px}
@media (max-width:640px){ .container{padding:0 20px} }

/* ---------- Typography ---------- */
.eyebrow{
  text-transform:uppercase;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--text-3);
  font-weight:600;
  margin-bottom:18px;
}
h1,h2,h3,h4{color:var(--charcoal);font-weight:600;letter-spacing:-0.025em;line-height:1.1}
h1{font-size:clamp(40px,6.2vw,84px);font-weight:700;letter-spacing:-0.035em;line-height:1.04}
h2{font-size:clamp(30px,3.6vw,52px);font-weight:600;letter-spacing:-0.028em;line-height:1.08}
h3{font-size:clamp(22px,2.2vw,30px);font-weight:600}
h4{font-size:18px;font-weight:600}
p{color:var(--text-2);font-size:17px;line-height:1.65;max-width:62ch}
p.lead{font-size:clamp(18px,1.6vw,22px);color:var(--graphite);line-height:1.55;max-width:760px}
.brand-grad{background:linear-gradient(135deg,#0B1B3F 0%,#3A3A3D 60%,#8A8A92 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,0.72);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(230,232,238,0.6);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.scrolled{background:rgba(255,255,255,0.88);box-shadow:0 1px 0 rgba(11,27,63,0.04)}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;
}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{height:30px;width:auto}
.nav-links{display:flex;align-items:center;gap:36px;list-style:none}
.nav-links a{
  font-size:13px;font-weight:500;color:var(--charcoal);
  letter-spacing:-0.005em;position:relative;
}
.nav-links a:hover{color:var(--navy)}
.nav-dropdown{position:relative}
.nav-dropdown > a::after{content:" ›";opacity:.45;margin-left:2px;transition:transform .25s var(--ease)}
.nav-dropdown:hover > a::after{opacity:.8}
.dropdown-menu{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(-4px);
  background:rgba(255,255,255,0.96);
  backdrop-filter:saturate(180%) blur(20px);
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px;min-width:260px;
  box-shadow:var(--shadow-md);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  list-style:none;
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu{
  opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)
}
.dropdown-menu li a{display:block;padding:10px 14px;border-radius:8px;font-size:14px}
.dropdown-menu li a:hover{background:var(--bg-cool);color:var(--navy)}

.nav-cta{
  background:var(--navy);color:#fff;
  padding:9px 18px;border-radius:999px;
  font-size:13px;font-weight:500;
  transition:transform .25s var(--ease),background .25s var(--ease);
}
.nav-cta:hover{background:#0d2150;transform:translateY(-1px);color:#fff}

.hamburger{display:none;width:28px;height:24px;position:relative;cursor:pointer}
.hamburger span{position:absolute;left:0;right:0;height:1.5px;background:var(--charcoal);transition:.3s var(--ease)}
.hamburger span:nth-child(1){top:4px}
.hamburger span:nth-child(2){top:11px}
.hamburger span:nth-child(3){top:18px}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:980px){
  .nav-links{
    position:fixed;top:64px;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:rgba(255,255,255,0.98);
    backdrop-filter:blur(20px);
    padding:18px 24px 28px;
    border-bottom:1px solid var(--line);
    max-height:calc(100vh - 64px);overflow-y:auto;
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:all .3s var(--ease);
  }
  .nav-links.open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-links li{width:100%;border-bottom:1px solid var(--line)}
  .nav-links li:last-child{border-bottom:none}
  .nav-links a{display:block;padding:16px 4px;font-size:15px}
  .dropdown-menu{position:static;transform:none;opacity:1;visibility:visible;pointer-events:auto;
    background:transparent;border:none;box-shadow:none;padding:0 0 8px 12px;min-width:auto}
  .dropdown-menu li a{padding:8px 4px;font-size:13px;color:var(--text-2)}
  .nav-cta{display:none}
  .hamburger{display:block}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:140px 0 80px;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,#F7F8FA 100%);
}
.hero-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center}
@media (max-width:900px){ .hero-inner{grid-template-columns:1fr;gap:40px} .hero{padding:120px 0 60px} }
.hero h1 .accent{
  background:linear-gradient(135deg,#0B1B3F 0%,#8A8A92 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .lead{margin-top:22px}
.hero-ctas{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:999px;
  font-size:14px;font-weight:500;letter-spacing:-0.005em;
  transition:transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:#0d2150;transform:translateY(-1px);box-shadow:var(--shadow-md);color:#fff}
.btn-secondary{background:rgba(11,27,63,0.06);color:var(--navy)}
.btn-secondary:hover{background:rgba(11,27,63,0.10);transform:translateY(-1px);color:var(--navy)}
.btn-ghost{background:transparent;color:var(--navy);border:1px solid rgba(11,27,63,0.18)}
.btn-ghost:hover{background:rgba(11,27,63,0.04);color:var(--navy)}
.btn .arrow{transition:transform .25s var(--ease)}
.btn:hover .arrow{transform:translateX(3px)}

.hero-visual{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg)}
.hero-visual img{width:100%;height:100%;object-fit:cover;display:block;aspect-ratio:5/4}
.hero-trust{
  display:flex;align-items:center;gap:10px;margin-top:36px;
  color:var(--text-3);font-size:13px;letter-spacing:-0.005em;
}
.hero-trust::before{content:"";display:block;width:32px;height:1px;background:var(--silver)}

/* ---------- Sections ---------- */
section{padding:110px 0;position:relative}
@media (max-width:900px){ section{padding:80px 0} }
.section-head{max-width:780px;margin-bottom:60px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{margin-top:8px}
.section-head p{margin-top:18px}

.bg-soft{background:var(--bg-soft)}
.bg-dark{background:var(--navy);color:#fff}
.bg-dark h1,.bg-dark h2,.bg-dark h3,.bg-dark h4{color:#fff}
.bg-dark p{color:rgba(255,255,255,0.78)}
.bg-dark .eyebrow{color:var(--silver)}

/* ---------- Cards Grid ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
}

.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#DDE1EA}
.card .icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#F2F4F8 0%,#E6E8EE 100%);
  color:var(--navy);margin-bottom:20px;
}
.card .icon svg{width:24px;height:24px}
.card h3{font-size:20px;margin-bottom:10px}
.card p{font-size:15px;line-height:1.6;color:var(--text-2)}
.card .card-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:18px;color:var(--navy);font-size:14px;font-weight:500;
}
.card .card-link .arrow{transition:transform .25s var(--ease)}
.card:hover .card-link .arrow{transform:translateX(3px)}

.card-glass{
  background:rgba(255,255,255,0.6);
  backdrop-filter:blur(20px);
  border:1px solid rgba(255,255,255,0.6);
}

/* Image card */
.image-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:#0B1B3F;color:#fff;min-height:340px;
  transition:transform .4s var(--ease);
}
.image-card:hover{transform:translateY(-3px)}
.image-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.55;transition:opacity .5s var(--ease), transform .8s var(--ease);
}
.image-card:hover img{opacity:.75;transform:scale(1.04)}
.image-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,27,63,0) 30%,rgba(11,27,63,0.85) 100%);
}
.image-card .ic-body{position:relative;z-index:2;padding:28px;display:flex;flex-direction:column;justify-content:flex-end;height:100%;min-height:340px}
.image-card h3{color:#fff;font-size:22px}
.image-card p{color:rgba(255,255,255,0.82);font-size:14px;margin-top:8px}

/* Feature row */
.feature-row{
  display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center;
}
.feature-row.reverse{grid-template-columns:1fr 1.1fr}
.feature-row.reverse > .feature-text{order:2}
@media (max-width:900px){
  .feature-row, .feature-row.reverse{grid-template-columns:1fr}
  .feature-row.reverse > .feature-text{order:0}
}
.feature-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md)}
.feature-img img{aspect-ratio:4/3;object-fit:cover;width:100%}

/* ---------- Stat row ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media (max-width:780px){ .stats{grid-template-columns:repeat(2,1fr)} }
.stat{padding:24px 0;border-top:1px solid var(--line)}
.stat .num{font-size:clamp(34px,4vw,52px);font-weight:600;letter-spacing:-0.03em;color:var(--navy)}
.stat .label{color:var(--text-3);font-size:13px;margin-top:4px;letter-spacing:.02em}

/* ---------- Process steps ---------- */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:22px;counter-reset:step}
@media (max-width:980px){ .process{grid-template-columns:repeat(2,1fr)} }
@media (max-width:640px){ .process{grid-template-columns:1fr} }
.step{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);position:relative}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:14px;font-weight:600;letter-spacing:.1em;color:var(--silver);margin-bottom:12px;
}
.step h4{font-size:16px;font-weight:600;color:var(--charcoal)}
.step p{font-size:14px;margin-top:6px}

/* ---------- Lists ---------- */
.bullet{list-style:none;display:grid;gap:10px;margin:18px 0}
.bullet li{position:relative;padding-left:24px;font-size:15px;color:var(--text-2);line-height:1.6}
.bullet li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:1.5px;background:var(--silver);
}
.bullet.cols-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:640px){ .bullet.cols-2{grid-template-columns:1fr} }

/* ---------- Forms ---------- */
.form{display:grid;gap:18px;background:#fff;padding:36px;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media (max-width:640px){ .form-row{grid-template-columns:1fr} }
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;color:var(--graphite);font-weight:500;letter-spacing:-0.005em}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:15px;color:var(--text);
  padding:13px 14px;border:1px solid var(--line);border-radius:10px;
  background:#fff;transition:border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--navy);box-shadow:0 0 0 4px rgba(11,27,63,0.06)
}
.field textarea{resize:vertical;min-height:130px;line-height:1.5}
.field-full{grid-column:1 / -1}

/* ---------- CTA strip ---------- */
.cta-strip{
  background:linear-gradient(135deg,#0B1B3F 0%,#13234E 100%);
  color:#fff;padding:80px 0;text-align:center;position:relative;overflow:hidden;
}
.cta-strip::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 30% 30%,rgba(184,194,209,0.18),transparent 50%),
             radial-gradient(circle at 75% 60%,rgba(184,194,209,0.10),transparent 50%);
  pointer-events:none;
}
.cta-strip h2{color:#fff;max-width:760px;margin:0 auto}
.cta-strip p{color:rgba(255,255,255,0.78);margin:18px auto 32px;max-width:640px}
.cta-strip .btn-primary{background:#fff;color:var(--navy)}
.cta-strip .btn-primary:hover{background:#F2F4F8;color:var(--navy)}
.cta-strip .btn-ghost{color:#fff;border-color:rgba(255,255,255,0.30)}
.cta-strip .btn-ghost:hover{background:rgba(255,255,255,0.08);color:#fff}

/* ---------- Footer ---------- */
.site-footer{
  background:#0A1834;color:rgba(255,255,255,0.72);padding:80px 0 36px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--silver),transparent);opacity:.35
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
@media (max-width:900px){ .footer-grid{grid-template-columns:1fr 1fr;gap:32px} }
@media (max-width:560px){ .footer-grid{grid-template-columns:1fr} }
.footer-brand img{height:34px;margin-bottom:18px}
.footer-brand p{color:rgba(255,255,255,0.65);font-size:14px;max-width:320px}
.footer-col h5{
  color:#fff;font-size:13px;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;margin-bottom:18px;
}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,0.65);transition:color .25s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.10);
  padding-top:24px;display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,0.5);
}
.footer-bottom .links{display:flex;gap:22px}
@media (max-width:640px){
  .footer-bottom{flex-direction:column;gap:14px;text-align:center}
}

/* ---------- Page hero (smaller) ---------- */
.page-hero{
  padding:160px 0 70px;
  background:linear-gradient(180deg,#FFFFFF 0%,#F7F8FA 100%);
  border-bottom:1px solid var(--line);
}
.page-hero .eyebrow{margin-bottom:14px}
.page-hero h1{font-size:clamp(36px,5vw,64px)}
.page-hero p.lead{margin-top:20px;max-width:760px}

/* ---------- Sector / Service items ---------- */
.tile{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px;display:flex;flex-direction:column;gap:14px;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.tile .icon{width:42px;height:42px;border-radius:10px;background:#F2F4F8;display:flex;align-items:center;justify-content:center;color:var(--navy)}
.tile .icon svg{width:22px;height:22px}
.tile h3{font-size:19px}
.tile p{font-size:14.5px;color:var(--text-2)}

/* ---------- Article cards ---------- */
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.article-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.article-card .thumb{aspect-ratio:16/10;background:#0B1B3F;overflow:hidden}
.article-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.article-card:hover .thumb img{transform:scale(1.04)}
.article-card .body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.article-card .body h3{font-size:18px;line-height:1.3}
.article-card .body p{font-size:14px;color:var(--text-2)}
.article-card .body .read{margin-top:auto;color:var(--navy);font-size:13px;font-weight:500;display:inline-flex;align-items:center;gap:6px}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .9s var(--ease), transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.delay-1{transition-delay:.08s}
.reveal.delay-2{transition-delay:.16s}
.reveal.delay-3{transition-delay:.24s}

/* ---------- Misc ---------- */
.divider{height:1px;background:var(--line);margin:0}
.tag{
  display:inline-block;padding:6px 12px;border-radius:999px;
  background:rgba(11,27,63,0.06);color:var(--navy);
  font-size:12px;font-weight:500;letter-spacing:.02em;
}
.lockup-mini img{height:24px}

/* ---------- Map placeholder ---------- */
.map-frame{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(135deg,#F2F4F8 0%,#E6E8EE 100%);
  min-height:340px;display:flex;align-items:center;justify-content:center;
  color:var(--text-3);font-size:14px;position:relative;
}
.map-frame::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(184,194,209,.3) 1px,transparent 1px),
    linear-gradient(90deg,rgba(184,194,209,.3) 1px,transparent 1px);
  background-size:36px 36px;opacity:.4;
}
.map-frame span{position:relative;z-index:2;background:#fff;padding:8px 14px;border-radius:999px;border:1px solid var(--line);font-size:13px;color:var(--graphite)}