/* ==========================================================================
   GTI Global — software & systems development
   Palette taken straight from the GTI Global logo:
     navy #11172C   ·   GTI blue #1C7ABE   ·   silver #A5A9A9   ·   white
   Dark, engineered and deliberately nothing like any client site we build.
   (24 Sept 2026)
   ========================================================================== */

:root{
  /* brand */
  --navy:#11172C; --blue:#1C7ABE; --blue-lt:#4BA3E3; --silver:#A5A9A9;
  /* surfaces */
  --ink:#070B16; --ink2:#0B1120; --panel:#101828; --panel2:#15203A;
  --line:rgba(178,205,245,.13); --line2:rgba(178,205,245,.26);
  /* text */
  --text:#EDF2FA; --muted:rgba(226,236,250,.72); --muted2:rgba(226,236,250,.60);
  /* signals */
  --ok:#3FBF8F; --warn:#E0A33C;
  --grad:linear-gradient(100deg,var(--blue) 0%,var(--blue-lt) 55%,#9CCBF0 100%);
  /* type */
  --disp:'Archivo','IBM Plex Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;
  --sans:'IBM Plex Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --wrap:1180px;
  --r:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);color:var(--text);line-height:1.62;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  background:
    radial-gradient(70% 45% at 8% -6%, rgba(28,122,190,.22), transparent 60%),
    radial-gradient(55% 40% at 98% 2%, rgba(75,163,227,.12), transparent 62%),
    linear-gradient(180deg,#0A1020 0%, var(--ink) 30%, var(--ink) 100%);
  background-attachment:fixed;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--blue-lt);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.skip{position:absolute;left:-9999px;top:0;background:var(--blue);color:#fff;padding:12px 18px;z-index:200;border-radius:0 0 10px 0}
.skip:focus{left:0}

/* ── type ───────────────────────────────────────────────────────────────── */
h1,h2,h3,h4{font-family:var(--disp);line-height:1.07;letter-spacing:-.025em;font-weight:800}
h1{font-size:clamp(40px,6.2vw,74px)}
h2{font-size:clamp(28px,3.8vw,46px)}
h3{font-size:19px;letter-spacing:-.012em;font-weight:700;line-height:1.3}
p{max-width:68ch}
.kicker{
  font-family:var(--mono);font-size:11px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--blue-lt);font-weight:500;display:block;margin-bottom:16px;
}
.kicker:before{content:"";display:inline-block;width:22px;height:1px;background:var(--blue);vertical-align:middle;margin-right:10px;margin-bottom:3px}
.lead{font-size:clamp(17px,1.45vw,20px);color:var(--muted);max-width:62ch;line-height:1.62}
.muted{color:var(--muted)} .small{font-size:14px} .tiny{font-size:12.5px;color:var(--muted2)}

/* ── nav ────────────────────────────────────────────────────────────────── */
.nav{position:sticky;top:0;z-index:60;background:rgba(7,11,22,.78);backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--wrap);margin:0 auto;padding:13px 28px;display:flex;align-items:center;gap:26px;position:relative}
.brand{display:flex;align-items:center;gap:13px}
.brand img{height:34px;width:auto}
.brand .bn{font-family:var(--disp);font-weight:800;letter-spacing:.14em;text-transform:uppercase;font-size:12px;color:var(--muted);border-left:1px solid var(--line2);padding-left:13px;line-height:1.25;max-width:14ch}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:14.5px;font-weight:500}
.nav-links a{color:var(--muted);padding:9px 13px;border-radius:9px;transition:color .16s,background .16s}
.nav-links a:hover{color:var(--text);background:rgba(178,205,245,.07)}
.nav-links a.on{color:var(--text);background:rgba(28,122,190,.16);box-shadow:inset 0 0 0 1px rgba(28,122,190,.35)}
.nav-links .btn{margin-left:10px}
.nav-toggle{display:none;margin-left:auto;background:rgba(178,205,245,.06);border:1px solid var(--line2);border-radius:10px;color:var(--text);padding:9px 14px;font:600 13px/1 var(--sans);cursor:pointer}

/* ── buttons ────────────────────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:14px 24px;border-radius:12px;
  font:700 14.5px/1 var(--sans);letter-spacing:.005em;border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,border-color .16s ease,color .16s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad);color:#05101E;box-shadow:0 10px 30px -12px rgba(28,122,190,.85)}
.btn-primary:hover{box-shadow:0 16px 40px -14px rgba(75,163,227,.95)}
.btn-ghost{border-color:var(--line2);color:var(--text);background:rgba(178,205,245,.04)}
.btn-ghost:hover{border-color:var(--blue-lt);color:var(--blue-lt)}
.arrow{transition:transform .16s ease}
.btn:hover .arrow{transform:translateX(3px)}
.link{color:var(--blue-lt);font-weight:600;border-bottom:1px solid rgba(75,163,227,.35);padding-bottom:1px}
.link:hover{border-color:var(--blue-lt)}

/* ── sections ───────────────────────────────────────────────────────────── */
section{padding:clamp(62px,7.5vw,104px) 0;position:relative}
.section-head{max-width:72ch;margin-bottom:46px}
.band{background:linear-gradient(180deg,rgba(16,24,40,.85),rgba(11,17,32,.85));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(32px,5vw,72px);align-items:center}

/* ── cards ──────────────────────────────────────────────────────────────── */
.card{
  position:relative;background:linear-gradient(168deg,rgba(21,32,58,.92),rgba(12,18,34,.92));
  border:1px solid var(--line);border-radius:var(--r);padding:30px 28px;
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.card:before{content:"";position:absolute;inset:0;border-radius:var(--r);padding:1px;
  background:linear-gradient(160deg,rgba(75,163,227,.34),transparent 42%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;opacity:.75}
.card:hover{transform:translateY(-3px);border-color:var(--line2);box-shadow:0 26px 60px -34px rgba(0,0,0,.95)}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.card .num{font-family:var(--mono);font-size:11.5px;color:var(--blue-lt);letter-spacing:.2em;display:block;margin-bottom:16px}

/* ── ticks ──────────────────────────────────────────────────────────────── */
.ticks{list-style:none;display:grid;gap:13px}
.ticks li{position:relative;padding-left:32px;color:var(--muted);font-size:15.5px}
.ticks li:before{
  content:"";position:absolute;left:0;top:3px;width:19px;height:19px;border-radius:6px;
  background:rgba(28,122,190,.18);box-shadow:inset 0 0 0 1px rgba(75,163,227,.4);
}
.ticks li:after{content:"";position:absolute;left:5.5px;top:8px;width:8px;height:4px;border-left:2px solid var(--blue-lt);border-bottom:2px solid var(--blue-lt);transform:rotate(-45deg)}

/* ── numbered process ───────────────────────────────────────────────────── */
.steps{counter-reset:s;display:grid;gap:1px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--line)}
.step{display:grid;grid-template-columns:76px 1fr;gap:20px;padding:26px;background:linear-gradient(120deg,rgba(16,24,40,.97),rgba(11,17,32,.97));align-items:start}
.step .n{counter-increment:s;font-family:var(--mono);font-size:25px;font-weight:600;color:var(--blue-lt)}
.step .n:before{content:"0" counter(s)}
.step h3{margin-bottom:7px}
.step p{color:var(--muted);font-size:15px}

/* ── stats ──────────────────────────────────────────────────────────────── */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.stat{background:linear-gradient(170deg,rgba(17,26,46,.96),rgba(10,16,30,.96));padding:28px 24px}
.stat .v{font-family:var(--disp);font-size:clamp(26px,3vw,38px);font-weight:800;letter-spacing:-.03em;color:var(--text)}
.stat .l{font-size:13.5px;color:var(--muted2);margin-top:8px;line-height:1.5}

/* ── media ──────────────────────────────────────────────────────────────── */
.shot{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--panel);box-shadow:0 30px 70px -40px rgba(0,0,0,.9)}
.shot img{width:100%;height:auto}
.shot .cap{padding:13px 17px;font-size:13px;color:var(--muted2);border-top:1px solid var(--line)}

/* ── hero ───────────────────────────────────────────────────────────────── */
.hero{padding:clamp(68px,9vw,124px) 0 clamp(54px,6vw,86px);overflow:hidden}
.hero:before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(80% 70% at 18% 0%, rgba(28,122,190,.16), transparent 68%);
}
.hero .wrap{position:relative;z-index:1}
.hero h1 span{display:block;color:var(--blue-lt)}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.swoosh{position:absolute;right:-8%;top:4%;width:62%;max-width:780px;opacity:.5;pointer-events:none;z-index:0}
.pill{display:inline-flex;align-items:center;gap:9px;padding:8px 15px;border:1px solid var(--line2);border-radius:999px;font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);background:rgba(178,205,245,.04)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(63,191,143,.16)}

/* ── system flow map ────────────────────────────────────────────────────── */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.flow .node{
  position:relative;background:linear-gradient(165deg,rgba(21,32,58,.95),rgba(11,17,32,.95));
  border:1px solid var(--line);border-radius:14px;padding:20px 18px;
}
.flow .node .t{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--blue-lt);margin-bottom:9px}
.flow .node h3{font-size:15.5px;font-weight:700;margin-bottom:6px}
.flow .node p{font-size:13.5px;color:var(--muted2);line-height:1.5}
.flow .node:not(:last-child):after{
  content:"";position:absolute;right:-14px;top:50%;width:14px;height:1px;background:linear-gradient(90deg,var(--blue),transparent);z-index:2
}

/* ── interface illustration ─────────────────────────────────────────────── */
.ui{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:linear-gradient(180deg,#0E1526,#0A0F1D);box-shadow:0 34px 80px -44px #000}
.ui .bar{display:flex;align-items:center;gap:8px;padding:11px 15px;border-bottom:1px solid var(--line);background:rgba(178,205,245,.04)}
.ui .bar i{width:9px;height:9px;border-radius:50%;background:rgba(178,205,245,.22);display:block}
.ui .bar span{margin-left:8px;font-family:var(--mono);font-size:11px;color:var(--muted2);letter-spacing:.08em}
.ui .body{padding:18px}
.ui-row{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--line);border-radius:11px;margin-bottom:9px;background:rgba(178,205,245,.03);font-size:13.5px}
.ui-row .ref{font-family:var(--mono);font-size:12px;color:var(--blue-lt)}
.ui-row .who{color:var(--muted)}
.tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;padding:5px 9px;border-radius:999px;border:1px solid var(--line2);color:var(--muted);white-space:nowrap}
.tag.ok{color:#8FE3C4;border-color:rgba(63,191,143,.45);background:rgba(63,191,143,.12)}
.tag.warn{color:#F0C88A;border-color:rgba(224,163,60,.45);background:rgba(224,163,60,.12)}
.tag.blue{color:#A6D4F5;border-color:rgba(75,163,227,.45);background:rgba(75,163,227,.12)}
.bars{display:grid;gap:9px;margin-top:6px}
.bars .lbl{display:flex;justify-content:space-between;font-size:12px;color:var(--muted2);margin-bottom:-4px}
.bars .b{height:10px;border-radius:5px;background:rgba(178,205,245,.09);overflow:hidden}
.bars .b i{display:block;height:100%;border-radius:5px;background:var(--grad)}
.bars .b.over i{background:linear-gradient(90deg,#E0A33C,#EFC37A)}

/* ── design studio window ───────────────────────────────────────────────── */
.studio{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:linear-gradient(180deg,#0E1526,#0A0F1D);box-shadow:0 34px 80px -44px #000}
.studio .bar{display:flex;align-items:center;gap:8px;padding:11px 15px;border-bottom:1px solid var(--line);background:rgba(178,205,245,.04)}
.studio .bar i{width:9px;height:9px;border-radius:50%;background:rgba(178,205,245,.22);display:block}
.studio .bar span{margin-left:8px;font-family:var(--mono);font-size:11px;color:var(--muted2);letter-spacing:.08em}
.studio .panes{display:grid;grid-template-columns:236px 1fr}
.studio .rail{border-right:1px solid var(--line);padding:18px 16px}
.studio .grp{margin-bottom:20px}
.studio .grp:last-child{margin-bottom:0}
.studio .grp h4{font:500 10.5px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--muted2);margin-bottom:11px}
.studio .opts{display:flex;gap:8px;flex-wrap:wrap}
.studio .sw{width:28px;height:28px;border-radius:9px;border:1px solid var(--line2)}
.studio .sw.on{box-shadow:0 0 0 2px var(--blue-lt);border-color:transparent}
.studio .opt{font-size:12.5px;padding:7px 11px;border:1px solid var(--line);border-radius:9px;color:var(--muted)}
.studio .opt.on{border-color:rgba(75,163,227,.5);background:rgba(28,122,190,.16);color:var(--text)}
.studio .canvas{position:relative;display:grid;place-items:center;padding:22px;min-height:320px;background:radial-gradient(60% 60% at 50% 40%,rgba(28,122,190,.10),transparent 72%)}
.studio .frame{position:relative;display:inline-block;line-height:0}
.studio .canvas img{border-radius:12px;max-height:300px;width:auto}
.studio .pin{position:absolute;border:1px dashed rgba(75,163,227,.75);border-radius:9px;background:rgba(28,122,190,.10)}
.studio .pin b{position:absolute;top:-9px;left:9px;font:500 9.5px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;background:#0A0F1D;color:var(--blue-lt);padding:4px 7px;border-radius:5px}
.studio .strip{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:13px 16px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted2)}
.studio .strip .act{display:flex;gap:9px;flex-wrap:wrap}
@media(max-width:760px){
  .studio .panes{grid-template-columns:1fr}
  .studio .rail{border-right:0;border-bottom:1px solid var(--line)}
}

/* ── note & quote ───────────────────────────────────────────────────────── */
.note{border:1px solid var(--line2);background:linear-gradient(120deg,rgba(21,32,58,.9),rgba(11,17,32,.9));padding:22px 26px;border-radius:14px;color:var(--muted);font-size:15.5px}
.note strong{color:var(--text)}
.quote{font-family:var(--disp);font-size:clamp(20px,2.4vw,27px);font-weight:700;line-height:1.35;letter-spacing:-.02em;max-width:26ch}
.quote:before{content:"";display:block;width:46px;height:3px;border-radius:3px;background:var(--grad);margin-bottom:22px}

/* ── forms ──────────────────────────────────────────────────────────────── */
.form{background:linear-gradient(168deg,rgba(21,32,58,.9),rgba(11,17,32,.9));border:1px solid var(--line);border-radius:var(--r);padding:30px}
label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;font-weight:500}
input,textarea,select{
  width:100%;padding:14px 16px;background:rgba(5,9,18,.75);border:1px solid var(--line2);border-radius:11px;
  color:var(--text);font-family:inherit;font-size:15px;transition:border-color .16s,box-shadow .16s;
}
input::placeholder,textarea::placeholder{color:rgba(226,236,250,.32)}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--blue-lt);box-shadow:0 0 0 3px rgba(28,122,190,.22)}
input[aria-invalid="true"],textarea[aria-invalid="true"]{border-color:#E0645C;box-shadow:0 0 0 3px rgba(224,100,92,.18)}
.field{margin-bottom:20px}
.field .err{display:block;margin-top:7px;font-size:13px;color:#F19B94}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.alert{border-radius:12px;padding:16px 20px;margin-bottom:24px;font-size:15px;border:1px solid}
.alert-ok{background:rgba(63,191,143,.1);border-color:rgba(63,191,143,.4);color:#BFF0DC}
.alert-bad{background:rgba(224,100,92,.1);border-color:rgba(224,100,92,.4);color:#F6C9C5}

/* ── footer ─────────────────────────────────────────────────────────────── */
.foot{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(11,17,32,.6),rgba(7,11,22,.9));padding:58px 0 34px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:38px}
.foot h3{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted2);margin-bottom:16px;font-weight:500}
.foot a{color:var(--muted);transition:color .15s}
.foot a:hover{color:var(--blue-lt)}
.foot ul{list-style:none;display:grid;gap:10px}
.foot-base{margin-top:42px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:var(--muted2);font-size:12.5px}
.foot-base a{color:var(--muted2)}

/* ── scroll reveal ──────────────────────────────────────────────────────── */
.rv{opacity:0;transform:translateY(16px);transition:opacity .6s cubic-bezier(.2,.7,.3,1),transform .6s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}

/* ── responsive ─────────────────────────────────────────────────────────── */
@media(max-width:1000px){
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow .node:nth-child(2):after{display:none}
}
@media(max-width:900px){
  .g3,.g4,.g2,.split,.foot-grid,.stats{grid-template-columns:1fr}
  .split.rev>div:first-child{order:2}
  .stats{border-radius:var(--r)}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#0A0F1C;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:2px;padding:10px 16px 16px}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 14px;width:100%}
  .nav-links .btn{margin:6px 0 0;justify-content:center}
  .nav-toggle{display:block}
  .brand .bn{display:none}
  .step{grid-template-columns:50px 1fr;gap:14px;padding:22px 20px}
  .swoosh{display:none}
  .flow{grid-template-columns:1fr}
  .flow .node:after{display:none}
  p{max-width:none}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .rv{opacity:1;transform:none}
}
@media print{
  .nav,.nav-toggle,.swoosh,.cta{display:none!important}
  body{background:#fff;color:#111}
  .card,.step,.stat,.shot{border-color:#ccc;background:#fff}
}