/* =========================================================
   AMS Future Tech — Design tokens
   ========================================================= */
:root{
  --ink-900:#0A1220;
  --ink-800:#0F1B2E;
  --ink-700:#152840;
  --ink-600:#1E3A5A;
  --line-on-dark:rgba(255,255,255,0.12);

  --paper:#F5F7F6;
  --paper-alt:#EDF1EF;
  --card:#FFFFFF;

  --text-900:#0B1420;
  --text-600:#4A5A68;
  --text-400:#7C8B96;

  --signal:#17B8A6;   /* data teal — primary accent */
  --signal-dark:#0E8A7C;
  --copper:#E08A3C;   /* warm copper — secondary accent, used sparingly */
  --copper-dark:#C06F26;

  --radius-s:6px;
  --radius-m:10px;

  --font-display:'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:'Inter', 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', 'Courier New', monospace;

  --maxw:1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text-900);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{font-family:var(--font-display);margin:0 0 .5em 0;line-height:1.15;color:var(--text-900);}
p{margin:0 0 1em 0;color:var(--text-600);}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:2px;
}

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:100;
  background:var(--ink-900);
  border-bottom:1px solid var(--line-on-dark);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  height:72px;
}
.nav-brand{
  display:flex; align-items:center; gap:10px;
  font-family:var(--font-display);
  font-weight:700; font-size:1.15rem;
  color:#fff;
}
.nav-brand .mark{
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.nav-brand .mark img{ width:100%; height:100%; object-fit:contain; }
.nav-brand .sub{
  display:block;font-family:var(--font-body);font-weight:400;font-size:.68rem;
  color:var(--signal); letter-spacing:.04em; margin-top:1px;
}
.nav-links{
  display:flex; align-items:center; gap:2px;
}
.nav-links a{
  color:rgba(255,255,255,.72);
  padding:10px 16px;
  font-size:.95rem;
  border-radius:var(--radius-s);
  transition:color .15s ease, background .15s ease;
}
.nav-links a:hover{ color:#fff; background:rgba(255,255,255,.06); }
.nav-links a.active{ color:#fff; background:rgba(23,184,166,.14); }
.nav-cta{
  margin-left:8px;
  background:var(--signal);
  color:var(--ink-900) !important;
  font-weight:600;
  padding:10px 18px !important;
}
.nav-cta:hover{ background:#20d1bc; }

.nav-toggle{
  display:none;
  background:none;border:none;cursor:pointer;
  width:40px;height:40px;
  position:relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:'';
  position:absolute; left:9px; width:22px; height:2px; background:#fff;
  transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle span{ top:19px; }
.nav-toggle span::before{ top:-7px; }
.nav-toggle span::after{ top:7px; }
.nav-toggle.open span{ background:transparent; }
.nav-toggle.open span::before{ transform:translateY(7px) rotate(45deg); }
.nav-toggle.open span::after{ transform:translateY(-7px) rotate(-45deg); }

@media (max-width:860px){
  .nav-links{
    position:fixed; top:72px; left:0; right:0;
    background:var(--ink-900);
    flex-direction:column; align-items:stretch;
    padding:8px 20px 20px;
    border-bottom:1px solid var(--line-on-dark);
    transform:translateY(-8px);
    opacity:0; pointer-events:none;
    transition:opacity .18s ease, transform .18s ease;
  }
  .nav-links.open{ opacity:1; pointer-events:auto; transform:translateY(0); }
  .nav-links a{ padding:14px 8px; border-bottom:1px solid var(--line-on-dark); }
  .nav-cta{ margin:10px 8px 0; text-align:center; }
  .nav-toggle{ display:block; }
}

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 26px;
  border-radius:var(--radius-s);
  font-weight:600; font-size:.95rem;
  cursor:pointer; border:1px solid transparent;
  transition:transform .12s ease, background .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover{ transform:translateY(-1px); }
.btn-primary{ background:var(--signal); color:var(--ink-900); }
.btn-primary:hover{ background:#20d1bc; }
.btn-ghost-dark{ border-color:rgba(255,255,255,.28); color:#fff; }
.btn-ghost-dark:hover{ border-color:#fff; background:rgba(255,255,255,.06); }
.btn-ghost-light{ border-color:rgba(11,20,32,.2); color:var(--text-900); }
.btn-ghost-light:hover{ border-color:var(--text-900); }

/* =========================================================
   Hero (network-graph signature element)
   ========================================================= */
.hero{
  background:var(--ink-900);
  color:#fff;
  position:relative;
  overflow:hidden;
  padding:76px 0 96px;
}
.hero::before{
  content:'';
  position:absolute; inset:0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size:26px 26px;
  opacity:.5;
  pointer-events:none;
}
.hero-grid{
  position:relative; z-index:1;
  display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center;
}
.hero-eyebrow{
  font-family:var(--font-mono); font-size:.8rem; color:var(--signal);
  margin-bottom:18px; display:flex; align-items:center; gap:10px;
}
.hero-eyebrow .dot{ width:7px;height:7px;border-radius:50%;background:var(--signal); box-shadow:0 0 0 4px rgba(23,184,166,.18); }
.hero h1{
  font-size:clamp(2.2rem, 4.2vw, 3.4rem);
  color:#fff;
  max-width:12.5ch;
}
.hero-lead{
  color:rgba(255,255,255,.68);
  font-size:1.08rem;
  max-width:46ch;
  margin-bottom:30px;
}
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:36px; }
.hero-meta{
  display:flex; gap:32px; flex-wrap:wrap;
  padding-top:26px; border-top:1px solid var(--line-on-dark);
}
.hero-meta div strong{ display:block; font-family:var(--font-display); font-size:1.5rem; color:#fff; }
.hero-meta div span{ font-size:.82rem; color:rgba(255,255,255,.55); }

.hero-art{ position:relative; }
.hero-art svg{ width:100%; height:auto; }

@media (max-width:900px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-art{ order:-1; max-width:340px; margin:0 auto 8px; }
}

/* =========================================================
   Sections
   ========================================================= */
section{ padding:88px 0; }
.section-alt{ background:var(--paper-alt); }
.section-dark{ background:var(--ink-900); color:#fff; }
.section-dark p{ color:rgba(255,255,255,.62); }
.section-dark h2{ color:#fff; }

.section-head{
  display:flex; align-items:flex-end; justify-content:space-between; gap:24px;
  margin-bottom:44px; flex-wrap:wrap;
}
.section-tag{
  font-family:var(--font-mono); font-size:.78rem; color:var(--signal-dark);
  margin-bottom:10px; display:block;
}
.section-dark .section-tag{ color:var(--signal); }
.section-head h2{ font-size:clamp(1.6rem, 3vw, 2.2rem); max-width:16ch; }
.section-head .section-desc{ max-width:38ch; margin:0; }

/* =========================================================
   Practice-area / service cards
   ========================================================= */
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.grid-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:22px; }
@media (max-width:980px){ .grid-4{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:600px){ .grid-4, .grid-2{ grid-template-columns:1fr; } }

.pillar{
  background:var(--card);
  border:1px solid #E4E9E7;
  border-radius:var(--radius-m);
  padding:30px 26px;
  position:relative;
  transition:border-color .15s ease, transform .15s ease;
}
.pillar:hover{ border-color:var(--signal); transform:translateY(-3px); }
.pillar .icon{
  width:46px; height:46px; border-radius:9px;
  background:var(--ink-900);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:20px;
}
.pillar .icon svg{ width:24px; height:24px; }
.pillar h3{ font-size:1.12rem; margin-bottom:8px; }
.pillar p{ font-size:.94rem; margin-bottom:14px; }
.pillar ul{ display:flex; flex-direction:column; gap:7px; }
.pillar ul li{
  font-size:.88rem; color:var(--text-600);
  padding-left:16px; position:relative;
}
.pillar ul li::before{
  content:''; position:absolute; left:0; top:8px;
  width:6px;height:1px; background:var(--copper);
}

/* =========================================================
   Client / logo strip
   ========================================================= */
.client-strip{
  display:grid; grid-template-columns:repeat(4,1fr); gap:18px;
}
@media (max-width:760px){ .client-strip{ grid-template-columns:repeat(2,1fr); } }
.client-card{
  background:#fff; border:1px solid #E4E9E7; border-radius:var(--radius-m);
  padding:22px; display:flex; align-items:center; justify-content:center;
  min-height:120px;
}
.client-card img{ max-height:64px; width:auto; object-fit:contain; }
.client-caption{
  margin-top:34px; display:grid; grid-template-columns:repeat(4,1fr); gap:18px;
}
@media (max-width:760px){ .client-caption{ grid-template-columns:repeat(2,1fr); } }
.client-caption div p{ font-size:.85rem; margin:0; }
.client-caption div strong{ display:block; font-size:.9rem; margin-bottom:4px; color:var(--text-900); }

/* =========================================================
   Industries strip
   ========================================================= */
.industry-row{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:#E4E9E7; border:1px solid #E4E9E7; border-radius:var(--radius-m); overflow:hidden;
}
@media (max-width:760px){ .industry-row{ grid-template-columns:repeat(2,1fr); } }
.industry-cell{
  background:#fff; padding:24px 22px;
}
.industry-cell h4{ font-size:1rem; margin-bottom:6px; }
.industry-cell p{ font-size:.86rem; margin:0; }

/* =========================================================
   Why choose us
   ========================================================= */
.reason-list{ display:grid; grid-template-columns:repeat(2,1fr); gap:16px 34px; }
@media (max-width:700px){ .reason-list{ grid-template-columns:1fr; } }
.reason{
  display:flex; gap:14px; align-items:flex-start;
  padding:18px 0; border-bottom:1px solid var(--line-on-dark);
}
.reason .num{
  font-family:var(--font-mono); color:var(--signal); font-size:.85rem; padding-top:2px;
}
.reason h4{ color:#fff; font-size:1rem; margin-bottom:4px; }
.reason p{ font-size:.9rem; margin:0; }

/* =========================================================
   Leadership
   ========================================================= */
.lead-card{
  display:grid; grid-template-columns:220px 1fr; gap:40px; align-items:center;
  background:var(--card); border:1px solid #E4E9E7; border-radius:var(--radius-m);
  padding:36px;
}
@media (max-width:700px){ .lead-card{ grid-template-columns:1fr; } }
.lead-portrait{
  width:100%; aspect-ratio:1/1; border-radius:var(--radius-m);
  background:linear-gradient(155deg,var(--ink-800),var(--ink-600));
  display:flex; align-items:center; justify-content:center;
  position:relative; overflow:hidden;
}
.lead-portrait span{
  font-family:var(--font-display); font-size:2.6rem; font-weight:700; color:var(--signal);
}
.lead-name{ font-size:1.3rem; margin-bottom:2px; }
.lead-role{ font-family:var(--font-mono); font-size:.8rem; color:var(--signal-dark); margin-bottom:16px; display:block; }

/* =========================================================
   Timeline (companies)
   ========================================================= */
.chip-row{ display:flex; flex-wrap:wrap; gap:10px; margin-top:6px; }
.chip{
  font-size:.82rem; padding:7px 14px; border-radius:100px;
  border:1px solid #DCE3E1; color:var(--text-600); background:#fff;
}

/* =========================================================
   Tech stack
   ========================================================= */
.stack-group{ margin-bottom:26px; }
.stack-group h4{
  font-family:var(--font-mono); font-size:.82rem; font-weight:400;
  color:var(--text-400); text-transform:none; margin-bottom:12px;
}
.stack-group .chip-row .chip{ background:var(--paper-alt); }

/* =========================================================
   CTA band
   ========================================================= */
.cta-band{
  background:linear-gradient(120deg,var(--ink-900) 0%, var(--ink-700) 100%);
  color:#fff; border-radius:var(--radius-m);
  padding:48px 44px;
  display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
}
.cta-band h3{ color:#fff; font-size:1.5rem; margin-bottom:6px; max-width:22ch; }
.cta-band p{ color:rgba(255,255,255,.6); margin:0; }

/* =========================================================
   Contact
   ========================================================= */
.contact-grid{ display:grid; grid-template-columns:.95fr 1.05fr; gap:52px; }
@media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-info-item{ display:flex; gap:16px; padding:18px 0; border-bottom:1px solid #E4E9E7; }
.contact-info-item .icon{
  width:38px;height:38px;border-radius:8px;background:var(--ink-900);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.contact-info-item .icon svg{ width:18px;height:18px; }
.contact-info-item h4{ font-size:.95rem; margin-bottom:3px; }
.contact-info-item p{ font-size:.92rem; margin:0; }

.form-field{ margin-bottom:18px; }
.form-field label{ display:block; font-size:.85rem; font-weight:600; margin-bottom:7px; color:var(--text-900); }
.form-field input, .form-field textarea, .form-field select{
  width:100%; padding:13px 15px; border-radius:var(--radius-s);
  border:1px solid #D6DEDC; background:#fff; font-family:var(--font-body); font-size:.95rem;
  color:var(--text-900);
  transition:border-color .15s ease;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus{
  border-color:var(--signal); outline:none;
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:560px){ .form-row{ grid-template-columns:1fr; } }
.form-note{ font-size:.82rem; color:var(--text-400); margin-top:6px; }
#form-status{ font-size:.9rem; margin-top:14px; display:none; padding:12px 14px; border-radius:var(--radius-s); }
#form-status.ok{ display:block; background:rgba(23,184,166,.12); color:var(--signal-dark); }
#form-status.err{ display:block; background:rgba(224,90,60,.1); color:#B8442A; }

.map-frame{
  border-radius:var(--radius-m); overflow:hidden; border:1px solid #E4E9E7;
  margin-top:28px; height:280px;
}
.map-frame iframe{ width:100%; height:100%; border:0; }

/* =========================================================
   About page — mission/approach
   ========================================================= */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
@media (max-width:860px){ .split{ grid-template-columns:1fr; } }
.stat-row{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:28px; }
@media (max-width:600px){ .stat-row{ grid-template-columns:1fr; } }
.stat-box{ border-left:2px solid var(--signal); padding-left:16px; }
.stat-box strong{ display:block; font-family:var(--font-display); font-size:1.7rem; }
.stat-box span{ font-size:.85rem; color:var(--text-400); }

/* =========================================================
   Page hero (interior pages)
   ========================================================= */
.page-hero{
  background:var(--ink-900); color:#fff; padding:64px 0 58px; position:relative; overflow:hidden;
}
.page-hero::before{
  content:''; position:absolute; inset:0;
  background-image:radial-gradient(circle at 1px 1px, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size:26px 26px; opacity:.5;
}
.page-hero .container{ position:relative; z-index:1; }
.page-hero .hero-eyebrow{ margin-bottom:14px; }
.page-hero h1{ color:#fff; font-size:clamp(1.9rem,4vw,2.7rem); max-width:18ch; }
.page-hero p{ color:rgba(255,255,255,.62); max-width:52ch; font-size:1.02rem; margin-top:10px; }
.breadcrumb{ font-family:var(--font-mono); font-size:.78rem; color:rgba(255,255,255,.4); margin-bottom:16px; }
.breadcrumb span{ color:var(--signal); }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ background:var(--ink-900); color:rgba(255,255,255,.6); padding:64px 0 28px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; margin-bottom:48px; }
@media (max-width:760px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:480px){ .footer-grid{ grid-template-columns:1fr; } }
.footer-grid h5{ color:#fff; font-family:var(--font-display); font-size:.92rem; margin-bottom:16px; }
.footer-grid ul li{ margin-bottom:10px; font-size:.9rem; }
.footer-grid ul li a:hover{ color:#fff; }
.footer-brand{ display:flex; align-items:center; gap:10px; margin-bottom:14px; }
.footer-brand .mark{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.footer-brand .mark img{ width:100%; height:100%; object-fit:contain; }
.footer-brand strong{ color:#fff; font-family:var(--font-display); }
.footer-bottom{
  border-top:1px solid var(--line-on-dark); padding-top:24px;
  display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; font-size:.82rem;
}

/* Utility */
.mt-0{ margin-top:0; }
.center{ text-align:center; }