/* =========================================================
   AVANT TECHNOLOGY SOLUTIONS — Core Design System
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  /* Color tokens */
  --teal-900:#08302B;
  --teal-700:#0E6E62;
  --teal-600:#128572;
  --mint-500:#22B08C;
  --mint-400:#3FC7A6;
  --mint-300:#8FE0C7;
  --gold-500:#E8B84B;
  --indigo-700:#2A1B99;
  --ink:#0B1F2A;
  --slate-600:#4E6067;
  --slate-400:#7C8C91;
  --paper:#FBFDFC;
  --paper-alt:#F1F7F5;
  --line:#E1EAE7;
  --white:#FFFFFF;

  /* Type */
  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;

  /* Layout */
  --maxw:1240px;
  --radius:14px;
  --radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(11,31,42,0.06);
  --shadow-md:0 10px 30px rgba(8,48,43,0.10);
  --ease:cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}

img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{margin:0; padding:0; list-style:none;}
button{font-family:inherit; cursor:pointer;}
input,select,textarea{font-family:inherit; font-size:1rem;}

.wrap{max-width:var(--maxw); margin:0 auto; padding:0 28px;}

/* ---------- Typography ---------- */
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  color:var(--ink);
  line-height:1.12;
  margin:0;
  letter-spacing:-0.01em;
}
h1{font-size:clamp(2.4rem,4.4vw,3.9rem);}
h2{font-size:clamp(1.9rem,3.1vw,2.7rem);}
h3{font-size:clamp(1.25rem,1.9vw,1.55rem);}
p{margin:0; color:var(--slate-600);}

.eyebrow{
  font-family:var(--font-mono);
  font-size:0.76rem;
  font-weight:600;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--teal-700);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:'';
  width:22px;height:1px;
  background:var(--gold-500);
  display:inline-block;
}

.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:640px; margin-bottom:52px;}
.section-head p{margin-top:16px; font-size:1.06rem;}
.center{text-align:center; margin-left:auto; margin-right:auto;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:14px 26px;
  border-radius:999px;
  font-weight:600;
  font-size:0.96rem;
  border:1px solid transparent;
  transition:all .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--teal-700);
  color:var(--white);
  box-shadow:0 6px 18px rgba(14,110,98,0.28);
}
.btn-primary:hover{background:var(--teal-900); transform:translateY(-2px); box-shadow:0 10px 24px rgba(14,110,98,0.34);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{border-color:var(--teal-700); color:var(--teal-700);}
.btn-light{
  background:var(--white);
  color:var(--teal-900);
}
.btn-light:hover{background:var(--mint-300);}
.btn-arrow{transition:transform .25s var(--ease);}
.btn:hover .btn-arrow{transform:translateX(3px);}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(251,253,252,0.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-row{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{display:flex; align-items:center; gap:10px;}
.brand img.word{height:30px;}
.main-nav{display:flex; align-items:center; gap:2px;}
.main-nav a{
  padding:10px 15px;
  font-size:0.94rem;
  font-weight:500;
  color:var(--slate-600);
  border-radius:8px;
  position:relative;
  transition:color .2s var(--ease);
}
.main-nav a:hover, .main-nav a.active{color:var(--teal-700);}
.main-nav a.active::after{
  content:'';
  position:absolute; left:15px; right:15px; bottom:5px;
  height:2px; background:var(--gold-500); border-radius:2px;
}
.header-cta{display:flex; align-items:center; gap:14px;}
.nav-toggle{
  display:none;
  background:none; border:none; padding:8px;
}
.nav-toggle span{display:block; width:22px; height:2px; background:var(--ink); margin:5px 0; transition:.25s;}

@media (max-width:980px){
  .main-nav{
    position:fixed; inset:64px 0 0 0; background:var(--paper);
    flex-direction:column; align-items:flex-start; padding:20px 28px;
    gap:4px; transform:translateY(-8px); opacity:0; pointer-events:none;
    transition:all .25s var(--ease); overflow-y:auto;
  }
  .main-nav.open{transform:translateY(0); opacity:1; pointer-events:auto;}
  .main-nav a{width:100%; padding:14px 6px; border-bottom:1px solid var(--line); border-radius:0;}
  .nav-toggle{display:block;}
  .header-cta .btn-ghost{display:none;}
}

/* ---------- Footer ---------- */
.site-footer{background:var(--teal-900); color:#CFE6E0; padding:64px 0 26px;}
.footer-grid{
  display:grid; grid-template-columns:1.5fr 1fr 1fr 1.3fr; gap:40px;
  padding-bottom:44px; border-bottom:1px solid rgba(255,255,255,0.12);
}
.site-footer h4{color:var(--white); font-size:0.95rem; margin-bottom:18px; font-family:var(--font-mono); letter-spacing:0.06em; text-transform:uppercase;}
.site-footer .brand img.word{filter:brightness(0) invert(1);}
.site-footer p{color:#9FC4BC;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#CFE6E0; font-size:0.94rem; transition:color .2s;}
.footer-links a:hover{color:var(--gold-500);}
.footer-office{margin-bottom:16px;}
.footer-office strong{display:block; color:var(--white); font-size:0.92rem; margin-bottom:3px;}
.footer-office span{font-size:0.88rem; color:#9FC4BC;}
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:22px; font-size:0.84rem; color:#7FA79E; flex-wrap:wrap; gap:10px;
}

/* ---------- Cards ---------- */
.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card:hover{transform:translateY(-4px); box-shadow:var(--shadow-md); border-color:transparent;}
.card .icon{
  width:46px; height:46px; border-radius:12px;
  background:var(--paper-alt); display:flex; align-items:center; justify-content:center;
  margin-bottom:20px; color:var(--teal-700);
}
.card h3{margin-bottom:10px;}
.card p{font-size:0.96rem;}

.grid{display:grid; gap:26px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:980px){
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr;}
}

/* ---------- Badges / tags ---------- */
.tag{
  font-family:var(--font-mono);
  font-size:0.72rem; font-weight:600; letter-spacing:0.05em;
  text-transform:uppercase;
  padding:5px 11px; border-radius:999px;
  background:var(--paper-alt); color:var(--teal-700);
  display:inline-block;
}
.tag-gold{background:rgba(232,184,75,0.16); color:#8A6512;}

/* ---------- Integration Pulse (signature diagram) ---------- */
.pulse-line{stroke-dasharray:6 8; animation:dash 2.4s linear infinite;}
@keyframes dash{to{stroke-dashoffset:-140;}}
.pulse-dot{animation:pulse 2.6s var(--ease) infinite;}
@keyframes pulse{0%,100%{opacity:.55; r:4;} 50%{opacity:1; r:6;}}

/* ---------- Utility ---------- */
.mt-8{margin-top:8px;} .mt-16{margin-top:16px;} .mt-24{margin-top:24px;} .mt-32{margin-top:32px;} .mt-48{margin-top:48px;}
.flex{display:flex;} .items-center{align-items:center;} .gap-12{gap:12px;} .gap-16{gap:16px;}
.text-slate{color:var(--slate-600);}
.divider{height:1px; background:var(--line); border:none; margin:0;}

/* ---------- Reveal-on-scroll ---------- */
.reveal{opacity:0; transform:translateY(18px); transition:opacity .7s var(--ease), transform .7s var(--ease);}
.reveal.in{opacity:1; transform:none;}

/* ---------- Page hero shared ---------- */
.page-hero{
  padding:64px 0 56px;
  background:linear-gradient(180deg,var(--paper-alt) 0%, var(--paper) 100%);
  border-bottom:1px solid var(--line);
}
.breadcrumb{font-family:var(--font-mono); font-size:0.78rem; color:var(--slate-400); letter-spacing:0.04em;}
.breadcrumb a{color:var(--teal-700);}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--teal-900);
  border-radius:24px;
  padding:64px;
  color:var(--white);
  position:relative;
  overflow:hidden;
}
.cta-band h2{color:var(--white);}
.cta-band p{color:#B9DAD2;}
.cta-band::before{
  content:'';
  position:absolute; right:-80px; top:-80px;
  width:280px; height:280px; border-radius:50%;
  background:radial-gradient(circle,rgba(63,199,166,0.35),transparent 70%);
}
@media (max-width:640px){
  .cta-band{padding:40px 26px;}
}