/* 19TWELVE v5.2 | Single Page | White + 1912 Blue */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#FFFFFF;
  --bg-alt:#F5F6F8;
  --dark:#0A0A0A;
  --blue:#1F5572;
  --blue-h:#2A6D8E;
  --charcoal:#1A1A1A;
  --text:#2A2A2A;
  --text-2:#444444;
  --text-3:#6A6A6A;
  --border:#DDDEE2;
  --fd:'Instrument Serif','Georgia',serif;
  --fb:'DM Sans','Helvetica Neue','Arial',sans-serif;
  --section:clamp(48px,6vw,80px);
  --cont:1140px;
  --ease:cubic-bezier(.25,.46,.45,.94);
  --ease-o:cubic-bezier(.22,1,.36,1);
}

/* Base */
html{font-size:16px;scroll-behavior:smooth;scroll-padding-top:72px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{font-family:var(--fb);background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}
::selection{background:var(--blue);color:#fff}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.container{width:100%;max-width:var(--cont);margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* Typography */
.label{font-family:var(--fb);font-size:.6875rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
h1,h2,h3,h4{font-family:var(--fd);font-weight:400;line-height:1.12;letter-spacing:-.015em;color:var(--charcoal)}
h1{font-size:clamp(2.5rem,5.5vw,4rem)}
h2{font-size:clamp(1.75rem,3.5vw,2.5rem)}
h3{font-size:clamp(1.25rem,2vw,1.5rem)}
h4{font-size:1.125rem}
p{font-size:1.0625rem;line-height:1.75;color:var(--text-2)}
p+p{margin-top:1.25em}
.lead{font-size:clamp(1.125rem,1.4vw,1.1875rem);line-height:1.7;color:var(--text-2);max-width:580px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--fb);font-size:.8125rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;padding:14px 32px;border:1px solid var(--blue);color:var(--blue);background:transparent;cursor:pointer;transition:all .35s var(--ease);position:relative;overflow:hidden}
.btn::before{content:'';position:absolute;inset:0;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease-o);z-index:0}
.btn:hover::before{transform:scaleX(1)}
.btn:hover{color:#fff}
.btn span,.btn svg{position:relative;z-index:1}
.btn svg{transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn--solid{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn--solid::before{background:var(--blue-h)}
.btn--solid:hover{color:#fff}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;transition:all .4s var(--ease)}
.site-header::before{content:'';position:absolute;inset:0;background:rgba(255,255,255,.94);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid transparent;transition:border-color .4s var(--ease)}
.site-header.scrolled::before{border-bottom-color:var(--border)}
.header-inner{position:relative;display:flex;align-items:center;justify-content:space-between;height:72px;max-width:var(--cont);margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.site-logo{display:flex;align-items:center;z-index:10}
.site-logo img{height:38px;width:auto}
.nav-cta{z-index:10}
.nav-cta .btn-label{display:inline}
.nav-cta .btn-icon{display:none}
@media(max-width:600px){
  .nav-cta .btn{padding:10px 12px;font-size:0;letter-spacing:0;gap:0}
  .nav-cta .btn-label{display:none}
  .nav-cta .btn-icon{display:inline-flex}
  .nav-cta .btn svg{width:18px;height:18px}
}

/* Hero */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding-top:72px;position:relative}
.hero-content{max-width:680px;position:relative;z-index:2}
.hero .label{margin-bottom:20px;display:block;opacity:0;animation:fadeUp .8s var(--ease-o) .2s forwards}
.hero h1{line-height:1.08;letter-spacing:-.025em;margin-bottom:24px;opacity:0;animation:fadeUp .8s var(--ease-o) .35s forwards}
.hero .lead{margin-bottom:36px;opacity:0;animation:fadeUp .8s var(--ease-o) .5s forwards}
.hero .btn{opacity:0;animation:fadeUp .8s var(--ease-o) .65s forwards}

/* Scroll indicator */
.hero-scroll{position:absolute;bottom:32px;left:0;right:0;display:flex;justify-content:center;align-items:center;opacity:0;animation:fadeUp .8s var(--ease-o) 1s forwards;z-index:2}
.scroll-line{width:1px;height:36px;background:linear-gradient(to bottom,var(--blue),transparent);animation:scrollP 2s ease-in-out infinite}
@keyframes scrollP{0%,100%{opacity:.4;transform:scaleY(.6)}50%{opacity:1;transform:scaleY(1)}}

/* Hero subtle light effect */
.hero-glow{position:absolute;top:0;left:0;right:0;bottom:0;pointer-events:none;z-index:1;opacity:0;transition:opacity .6s var(--ease)}
.hero-glow.active{opacity:1}

/* Sections */
.section{padding:var(--section) 0}
.section-header{max-width:640px;margin-bottom:clamp(12px,2vw,20px)}
.section-header .label{margin-bottom:12px;display:block}
.section-header h2{margin-bottom:12px;font-size:clamp(1.875rem,3.5vw,2.625rem)}
.section-header p{font-size:1.0625rem}

/* Service Block */
.service-block{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,4.5vw,64px);align-items:center;padding:var(--section) 0;border-top:1px solid var(--border)}
.service-block:first-of-type{border-top:none}
.service-block.reverse .service-text{order:2}
.service-block.reverse .service-img{order:1}
.service-text .label{display:block;margin-bottom:12px}
.service-text h2{margin-bottom:12px;font-size:clamp(1.875rem,3.5vw,2.625rem)}
.service-text p{max-width:480px;font-size:1.0625rem;line-height:1.75}
.service-text ul{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.service-text ul li{font-size:1rem;color:var(--text-2);padding-left:18px;position:relative;line-height:1.7}
.service-text ul li::before{content:'';position:absolute;left:0;top:12px;width:6px;height:1.5px;background:var(--blue)}

/* Service images: full 360-degree soft dissolve */
.service-img{position:relative;overflow:visible}
.service-img img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform 8s var(--ease);
  -webkit-mask-image:
    linear-gradient(to right, transparent, black 18%, black 82%, transparent),
    linear-gradient(to bottom, transparent, black 18%, black 82%, transparent);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(to right, transparent, black 18%, black 82%, transparent),
    linear-gradient(to bottom, transparent, black 18%, black 82%, transparent);
  mask-composite: intersect;
}
.service-img:hover img{transform:scale(1.03)}
.image-placeholder{background:var(--bg-alt);aspect-ratio:4/3;width:100%;display:flex;align-items:center;justify-content:center}
.image-placeholder span{font-size:.75rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);opacity:.5}
@media(max-width:768px){
  .service-block{grid-template-columns:1fr;gap:24px}
  .service-block.reverse .service-text{order:1}
  .service-block.reverse .service-img{order:2}
}

/* Contact */
.contact-section{padding:var(--section) 0;border-top:1px solid var(--border)}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,4.5vw,64px);align-items:start}
.contact-inner h2{margin-bottom:12px}
.contact-inner .lead{margin-bottom:28px}
.contact-detail{margin-bottom:24px}
.contact-detail .label{display:block;margin-bottom:8px}
.contact-detail a{color:var(--charcoal);font-size:1.0625rem;transition:color .3s}
.contact-detail a:hover{color:var(--blue)}
.contact-detail p{font-size:.9375rem;color:var(--text-2);line-height:1.65}
@media(max-width:768px){.contact-inner{grid-template-columns:1fr}}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:36px 0 28px}
.footer-inner{display:flex;justify-content:space-between;align-items:flex-start;gap:40px}
.footer-brand img{height:22px;margin-bottom:12px}
.footer-brand p{font-size:.8125rem;color:var(--text-3);max-width:280px;line-height:1.6}
.footer-right{display:flex;gap:48px;align-items:flex-start}
.footer-col h4{font-family:var(--fb);font-size:.6875rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);margin-bottom:10px}
.footer-col a{display:block;font-size:.8125rem;color:var(--text-2);margin-bottom:8px;transition:color .3s}
.footer-col a:hover{color:var(--blue)}
.footer-bottom{margin-top:32px;padding-top:14px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.footer-bottom p{font-size:.75rem;color:var(--text-3)}
@media(max-width:768px){
  .footer-inner{flex-direction:column}
  .footer-right{gap:32px}
  .footer-bottom{flex-direction:column;gap:8px;align-items:flex-start}
}

/* Animations */
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.fade-in{opacity:0;transform:translateY(14px);transition:all .6s var(--ease-o)}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* Mobile tightening */
@media(max-width:768px){
  :root{--section:clamp(36px,5vw,56px)}
  .hero{min-height:92vh}
}
@media(max-width:480px){
  :root{--section:clamp(32px,5vw,48px)}
  .hero h1{font-size:2.125rem}
  .hero .btn{width:100%;justify-content:center}
  .hero{min-height:88vh}
}