/* ViaTech Solutions — bold professional theme
   Palette: deep navy base + vivid teal accent (evolves the original brand) */
:root{
  --navy-900:#0a111e;
  --navy-800:#0e192a;
  --navy-700:#13233a;
  --ink:#0e192a;
  --paper:#f6f9fb;
  --paper-2:#eef3f7;
  --card:#ffffff;
  --muted:#5a6b7b;
  --line:#e4ebf1;
  --accent:#08c2a8;       /* vivid teal */
  --accent-2:#19e3c6;     /* lighter teal for gradients */
  --accent-ink:#053b34;
  --amber:#ffb547;        /* secondary accent for highlights */
  --shadow:0 10px 30px rgba(14,25,42,.08);
  --shadow-lg:0 24px 60px rgba(14,25,42,.16);
  --radius:16px;
  --radius-sm:10px;
  --max:1140px;
  --font-head:"Space Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);background:var(--paper);
  line-height:1.65;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--accent-ink);text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--ink);line-height:1.15;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:700}
h2{font-size:clamp(1.6rem,3.2vw,2.4rem);font-weight:600}
h3{font-size:1.2rem;font-weight:600}
p{margin:0 0 1rem}
.lead{font-size:1.15rem;color:var(--muted);max-width:60ch}
.eyebrow{font-family:var(--font-head);text-transform:uppercase;letter-spacing:.16em;font-size:.78rem;font-weight:600;color:var(--accent-ink)}
.center{text-align:center}
.center .lead{margin-inline:auto}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-head);font-weight:600;
  font-size:1rem;padding:.85rem 1.4rem;border-radius:999px;border:1px solid transparent;cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#03261f;
  box-shadow:0 8px 22px rgba(8,194,168,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(8,194,168,.45)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.25);color:#fff}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-2)}
.btn-dark{background:var(--navy-800);color:#fff}
.btn-dark:hover{transform:translateY(-2px);background:var(--navy-700)}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,17,30,.85);
  backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.07)}
.nav{display:flex;align-items:center;gap:1.5rem;height:74px}
.brand{display:flex;align-items:center;gap:.6rem}
.brand svg,.brand img{height:38px;width:auto}
.brand-name{font-family:var(--font-head);font-weight:700;color:#fff;font-size:1.15rem;letter-spacing:-.01em}
.brand-name span{color:var(--accent-2)}
.nav-links{display:flex;gap:1.4rem;margin-left:auto;align-items:center}
.nav-links a{font-family:var(--font-head);font-weight:500;font-size:.96rem;color:#cdd7e2;padding:.4rem 0;position:relative}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);border-radius:2px}
.nav-cta{margin-left:.4rem}
.nav-toggle{display:none;background:none;border:0;color:#fff;cursor:pointer;margin-left:auto}
@media(max-width:820px){
  .nav-links{position:fixed;inset:74px 0 auto 0;background:var(--navy-900);flex-direction:column;
    gap:0;padding:.5rem 24px 1.2rem;border-bottom:1px solid rgba(255,255,255,.08);display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:.85rem 0;width:100%;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-cta{margin:.8rem 0 0}
  .nav-toggle{display:block}
}

/* ---------- hero ---------- */
.hero{position:relative;background:
   radial-gradient(1200px 500px at 75% -10%,rgba(8,194,168,.22),transparent 60%),
   radial-gradient(900px 500px at 0% 110%,rgba(25,227,198,.12),transparent 55%),
   var(--navy-900);
  color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;opacity:.4;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(70% 60% at 60% 30%,#000,transparent)}
.hero .wrap{position:relative;padding:84px 24px 96px;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{color:#fff}
.hero h1 .grad{background:linear-gradient(120deg,var(--accent-2),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:#b9c6d4;font-size:1.18rem;max-width:52ch}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.6rem}
.hero-card{background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:30px;backdrop-filter:blur(6px)}
.hero-card h3{color:#fff;margin-bottom:1rem}
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.hero-stats .stat{padding:14px 0}
.hero-stats .num{font-family:var(--font-head);font-size:1.8rem;font-weight:700;color:var(--accent-2)}
.hero-stats .lbl{font-size:.85rem;color:#aebccb}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr;padding:60px 24px 72px}}

/* ---------- sections ---------- */
section{padding:84px 0}
.section-head{max-width:64ch;margin-bottom:42px}
.section-head.center{margin-inline:auto}
.bg-paper-2{background:var(--paper-2)}
.bg-navy{background:var(--navy-900);color:#fff}
.bg-navy h2,.bg-navy h3{color:#fff}
.bg-navy .lead,.bg-navy p{color:#b9c6d4}

/* ---------- cards / grid ---------- */
.grid{display:grid;gap:24px}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.cols-3,.cols-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.cols-2,.cols-3,.cols-4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card .ic{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(8,194,168,.16),rgba(25,227,198,.10));color:var(--accent-ink)}
.card .ic svg{width:24px;height:24px}
.card h3{margin-bottom:.4rem}
.card p{color:var(--muted);margin:0}

/* feature list with checks */
.checks{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}
.checks li{display:flex;gap:.7rem;align-items:flex-start;color:var(--muted)}
.checks li::before{content:"";flex:0 0 auto;width:22px;height:22px;border-radius:50%;margin-top:2px;
  background:radial-gradient(circle at 50% 45%,var(--accent-2),var(--accent));
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='M5 12l4 4 10-10'/%3E%3C/svg%3E") center/14px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='M5 12l4 4 10-10'/%3E%3C/svg%3E") center/14px no-repeat}

/* numbered approach steps */
.steps{display:grid;gap:22px;counter-reset:step}
.step{display:flex;gap:18px;align-items:flex-start}
.step .n{counter-increment:step;flex:0 0 auto;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-family:var(--font-head);font-weight:700;color:#03261f;background:linear-gradient(135deg,var(--accent),var(--accent-2))}
.step .n::before{content:counter(step,decimal-leading-zero)}
.step h3{margin-bottom:.25rem}
.step p{color:var(--muted);margin:0}

/* ---------- CTA band ---------- */
.cta-band{background:
   radial-gradient(900px 400px at 80% 0%,rgba(8,194,168,.25),transparent 60%),var(--navy-800);
  color:#fff;border-radius:24px;padding:54px;text-align:center;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff}
.cta-band p{color:#c2cedb;max-width:54ch;margin-inline:auto}

/* ---------- contact form ---------- */
.form{display:grid;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:600px){.form-row{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:.4rem}
.field label{font-family:var(--font-head);font-weight:500;font-size:.9rem}
.field input,.field textarea,.field select{font-family:var(--font-body);font-size:1rem;padding:.8rem .9rem;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;color:var(--ink);transition:border .15s,box-shadow .15s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(8,194,168,.18)}
.field textarea{min-height:140px;resize:vertical}

/* ---------- info tiles ---------- */
.info-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:780px){.info-tiles{grid-template-columns:1fr}}
.tile{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.tile .ic{color:var(--accent-ink);margin-bottom:10px}
.tile h3{font-size:1rem;margin-bottom:.2rem}
.tile p{margin:0;color:var(--muted)}
.placeholder{background:#fff6e6;border:1px dashed var(--amber);color:#7a5a12;border-radius:6px;padding:0 .35em;font-size:.92em}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-900);color:#aebccb;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;margin-bottom:36px}
@media(max-width:780px){.footer-grid{grid-template-columns:1fr;gap:24px}}
.site-footer h4{color:#fff;font-size:.95rem;text-transform:uppercase;letter-spacing:.12em;margin-bottom:1rem}
.site-footer a{color:#aebccb;display:block;padding:.25rem 0}
.site-footer a:hover{color:var(--accent-2)}
.footer-brand p{max-width:38ch;color:#8ea0b2}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;display:flex;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:.85rem;color:#7e90a2}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}