/* Linkingsystems LLC — hand-written, no framework */
:root{
  --ink:#0d1b2e;        /* deep navy */
  --ink-2:#13233b;
  --ink-3:#1c3050;
  --line:#e3e8ef;
  --text:#1d2a3a;
  --muted:#5b6b80;
  --bg:#ffffff;
  --bg-soft:#f5f7fa;
  --accent:#e8594f;     /* deepened version of the logo coral #ff6666 */
  --accent-2:#ff6b5e;
  --accent-soft:#fdeceb;
  --radius:14px;
  --shadow:0 1px 2px rgba(13,27,46,.05),0 8px 24px rgba(13,27,46,.06);
  --head:"Jost",system-ui,sans-serif;
  --body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font:400 17px/1.65 var(--body);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--head);color:var(--ink);line-height:1.12;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.5rem,5.4vw,4.25rem);font-weight:600}
h2{font-size:clamp(1.9rem,3.4vw,2.75rem);font-weight:600}
h3{font-size:1.3rem;font-weight:600}
h4{font-size:1.08rem;font-weight:600}
p{margin:0 0 1em}
.container{width:min(1180px,100% - 48px);margin-inline:auto}
.eyebrow{font:600 .8rem/1 var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:1rem}
.muted{color:var(--muted)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font:600 1rem/1 var(--body);padding:.95rem 1.4rem;border-radius:10px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .2s,border-color .2s,transform .2s}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#d4483f}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.25)}
.btn-ghost:hover{border-color:#fff}
.btn-sm{padding:.65rem 1rem;font-size:.92rem}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(13,27,46,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.07)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;color:#fff;font:600 1.25rem/1 var(--head)}
.brand em{font-style:normal;font-weight:500;opacity:.6}
.brand-mark{width:34px;height:34px;color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-links a:not(.btn){color:#c7d2e1;text-decoration:none;font-weight:500;font-size:.95rem}
.nav-links a:not(.btn):hover{color:#fff}
.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;margin:5px 0;border-radius:2px}

/* Hero */
.hero{background:radial-gradient(1100px 600px at 80% 40%,#1a2f52 0%,transparent 60%),var(--ink);color:#c7d2e1;padding:88px 0 104px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:40px;align-items:center}
.hero h1{color:#fff}
.hero .accent{color:var(--accent-2)}
.lead{font-size:1.2rem;max-width:34em;color:#c7d2e1}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin:2rem 0 2.5rem}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;padding:1.5rem 0 0;margin:0;border-top:1px solid rgba(255,255,255,.1);font-size:.9rem}
.hero-points li{white-space:nowrap;display:flex;align-items:center;gap:.5rem}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent-2)}
.network{width:100%;height:auto;max-width:520px;margin-left:auto}

/* Sections */
.section{padding:104px 0}
.section-head{max-width:640px;margin-bottom:48px}
.section-dark{background:var(--ink);color:#c7d2e1}
.section-dark h2{color:#fff}

/* Service cards */
.cards{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.card{grid-column:span 2}
.card:nth-child(4){grid-column:2 / span 2}
.card:nth-child(5){grid-column:4 / span 2}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;box-shadow:var(--shadow);transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-3px);border-color:#f3b8b3}
.card p{color:var(--muted);font-size:.97rem;margin:0}
.icon{display:grid;place-items:center;width:48px;height:48px;border-radius:12px;background:var(--accent-soft);margin-bottom:22px;flex:none}
.icon svg{width:24px;height:24px;fill:none;stroke:var(--accent);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

.process{list-style:none;margin:56px 0 0;padding:28px 32px;display:grid;grid-template-columns:repeat(3,1fr);gap:32px;background:var(--bg-soft);border-radius:var(--radius)}
.process li{display:flex;gap:16px}
.process span{font:600 .9rem/1 var(--head);color:var(--accent);padding-top:.25rem}
.process h4{margin-bottom:.25rem}
.process p{margin:0;color:var(--muted);font-size:.94rem}

/* Why */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.why-photo{margin:0;position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3.4}
.why-photo img{width:100%;height:100%;object-fit:cover;filter:saturate(.75) contrast(1.05)}
.why-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(13,27,46,0) 40%,rgba(13,27,46,.55));}
.why-copy p{font-size:1.06rem}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:2rem 0 0}
.facts div{border:1px solid var(--ink-3);border-radius:12px;padding:18px 20px;background:var(--ink-2)}
.facts dt{font:600 1.6rem/1.1 var(--head);color:#fff;margin-bottom:.3rem}
.facts dd{margin:0;font-size:.9rem;color:#9fb0c7}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:start}
.contact-list{list-style:none;padding:0;margin:2rem 0 0;display:grid;gap:14px}
.contact-list li{display:flex;align-items:center;gap:16px;padding:16px 18px;border:1px solid var(--line);border-radius:12px}
.contact-list .icon{margin:0}
.contact-list small{display:block;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.08em}
.contact-list a{font-weight:600;text-decoration:none;color:var(--ink)}
.contact-list a:hover{color:var(--accent)}
.contact-form{background:var(--bg-soft);border-radius:var(--radius);padding:36px;display:grid;gap:18px}
.contact-form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.contact-form label{display:grid;gap:6px;font-size:.88rem;font-weight:600;color:var(--ink)}
.contact-form input,.contact-form textarea{font:inherit;font-weight:400;font-size:1rem;padding:.8rem .95rem;border:1px solid #d3dbe6;border-radius:10px;background:#fff;color:var(--text);width:100%}
.contact-form input:focus,.contact-form textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.contact-form textarea{resize:vertical}
.contact-form .btn{justify-self:start}
.form-note{margin:0;font-size:.82rem;color:var(--muted)}

/* Footer */
.site-footer{background:var(--ink);color:#8fa1b9;padding:40px 0;font-size:.9rem}
.footer-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.brand-footer{font-size:1.05rem}
.brand-footer .brand-mark{width:28px;height:28px}
.footer-links{display:flex;flex-wrap:wrap;gap:24px}
.footer-links a{text-decoration:none}
.footer-links a:hover{color:#fff}
.copy{margin:0;width:100%;padding-top:20px;border-top:1px solid rgba(255,255,255,.08)}

/* Responsive */
@media (max-width:1080px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .card,.card:nth-child(4){grid-column:auto}
  .card:nth-child(5){grid-column:1 / -1}
  .why-grid,.contact-grid{gap:48px}
}
@media (max-width:860px){
  .nav-toggle{display:block}
  .nav-links{position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--ink);padding:8px 24px 24px;border-bottom:1px solid rgba(255,255,255,.08);display:none}
  .nav-links.open{display:flex}
  .nav-links a:not(.btn){padding:14px 0;border-bottom:1px solid rgba(255,255,255,.07)}
  .nav-links .btn{margin-top:16px;justify-content:center}
  .hero{padding:56px 0 72px}
  .hero-grid,.why-grid,.contact-grid{grid-template-columns:1fr}
  .hero-art{order:-1;max-width:300px;margin:0 auto}
  .network{margin:0 auto}
  .process{grid-template-columns:1fr;gap:20px}
  .section{padding:72px 0}
}
@media (max-width:560px){
  body{font-size:16px}
  .container{width:min(1180px,100% - 40px)}
  .cards{grid-template-columns:1fr}
  .card:nth-child(5){grid-column:auto}
  .contact-form{padding:24px}
  .contact-form .row{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{justify-content:center}
  .footer-row{flex-direction:column;align-items:flex-start}
}