/* ============================================================
   TechARS — design tokens
   ============================================================ */
:root{
  --ink:        #12121a;
  --paper:      #f4f3ee;
  --paper-2:    #eceae2;
  --cobalt:     #1c2fd1;
  --cobalt-dk:  #141fa1;
  --magenta:    #e2178b;
  --gold:       #ffc42b;
  --leaf:       #6fbe1e;
  --line:       rgba(18,18,26,0.12);

  --font-display: "Space Grotesk", "Arial Narrow", sans-serif;
  --font-body:    "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-accent:  "Fraunces", Georgia, serif;

  --wrap: 1180px;
  --radius-hard: 3px;
}

*, *::before, *::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; scroll-padding-top:92px; }

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

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{
  font-family:var(--font-display);
  margin:0 0 .5em;
  line-height:1.08;
  letter-spacing:-0.01em;
  font-weight:600;
}

p{ margin:0 0 1em; max-width:62ch; }

a{ color:inherit; }

img{ max-width:100%; display:block; }

.wrap{
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}

.skip-link{
  position:absolute; left:-999px; top:0;
  background:var(--ink); color:#fff; padding:.75em 1.25em; z-index:999;
}
.skip-link:focus{ left:12px; top:12px; }

:focus-visible{
  outline:3px solid var(--cobalt);
  outline-offset:2px;
}

/* ============================================================
   Preloader — single orchestrated load moment
   ============================================================ */
.preloader{
  position:fixed; inset:0; z-index:9999;
  background:var(--ink);
  display:flex; align-items:center; justify-content:center;
  color:var(--gold);
  transition:opacity .5s ease, visibility .5s ease;
}
.preloader__hex{ animation:hexspin 1.1s linear infinite; }
@keyframes hexspin{ to{ transform:rotate(360deg); } }
.preloader.is-done{ opacity:0; visibility:hidden; pointer-events:none; }

/* ============================================================
   Header
   ============================================================ */
.site-header{
  position:sticky; top:0; z-index:500;
  background:rgba(244,243,238,0.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(18,18,26,0.05);
}
.header__row{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{ display:flex; align-items:center; }
.brand__mark{ height:52px; width:auto; }

.nav{
  display:flex; align-items:center; gap:28px;
  font-size:.95rem; font-weight:500;
}
.nav a{ text-decoration:none; position:relative; padding:6px 0; }
.nav a:not(.nav__cta)::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:2px;
  background:var(--cobalt); transition:right .2s ease;
}
.nav a:not(.nav__cta):hover::after{ right:0; }

.nav__cta{
  background:var(--ink); color:#fff !important;
  padding:.55em 1.1em; border-radius:var(--radius-hard);
  font-weight:600;
}
.nav__cta:hover{ background:var(--cobalt); }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px; background:none; border:none; cursor:pointer;
}
.nav-toggle span{ height:2px; width:100%; background:var(--ink); }

/* ============================================================
   Hero
   ============================================================ */
.hero{
  position:relative; overflow:hidden;
  padding:96px 0 0;
  background:var(--paper);
}
.hero__circuit{
  position:absolute; inset:0; width:100%; height:100%;
  color:var(--cobalt); opacity:.08; pointer-events:none;
}
.hero__inner{ position:relative; max-width:760px; }
.hero__kicker{
  font-family:var(--font-accent); font-style:italic; font-weight:500;
  font-size:1.05rem; color:var(--cobalt-dk); margin-bottom:.9em;
}
.hero__title{
  font-size:clamp(2.4rem, 5vw, 4rem);
}
.hero__lead{
  font-size:1.15rem; max-width:52ch; color:#33333f;
}
.hero__actions{ display:flex; gap:16px; margin:2em 0 3.5em; flex-wrap:wrap; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:.9em 1.6em; font-weight:600; font-size:.98rem;
  border-radius:var(--radius-hard); text-decoration:none;
  border:2px solid transparent; cursor:pointer; font-family:var(--font-body);
  transition:transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn--primary{ background:var(--ink); color:#fff; }
.btn--primary:hover{ background:var(--cobalt); transform:translateY(-2px); }
.btn--ghost{ border-color:var(--ink); color:var(--ink); }
.btn--ghost:hover{ background:var(--ink); color:#fff; }

.hero__stats{
  position:relative;
  display:grid; grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  margin:0; padding:28px 24px;
}
.hero__stats div{ text-align:left; }
.hero__stats dt{
  font-family:var(--font-display); font-size:2rem; font-weight:700;
  color:var(--cobalt-dk); margin:0;
}
.hero__stats dd{ margin:.2em 0 0; font-size:.9rem; color:#55555f; }

/* ============================================================
   Section shared
   ============================================================ */
.section-head{ max-width:640px; margin-bottom:52px; }
.section-head h2{ font-size:clamp(1.9rem,3.4vw,2.6rem); }
.section-head p{ color:#4a4a55; font-size:1.05rem; }
.section-head--light p{ color:rgba(244,243,238,.72); }

.eyebrow-free{ margin:0; }

/* ============================================================
   Services — hex grid
   ============================================================ */
.services{ padding:110px 0; }

.hex-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:36px 28px;
}
.hex-card{ text-align:left; }
.hex-card__shape{
  position:relative;
  width:104px; height:104px;
  margin-bottom:22px;
  color:var(--c);
}
.hex-card__shape svg:first-child{
  width:100%; height:100%; fill:var(--c);
}
.hex-card__icon{
  position:absolute; inset:0; margin:auto;
  width:38px; height:38px;
}
.hex-card h3{ font-size:1.25rem; margin-bottom:.4em; }
.hex-card p{ color:#4a4a55; font-size:.98rem; }

/* ============================================================
   Process — dark band
   ============================================================ */
.process{
  background:var(--ink); color:var(--paper);
  padding:110px 0;
}
.process h2, .process h3{ color:#fff; }

.process__list{
  list-style:none; margin:0; padding:0;
  display:flex; flex-direction:column;
}
.process__list li{
  display:flex; gap:28px; align-items:flex-start;
  padding:26px 0;
  border-top:1px solid rgba(244,243,238,.16);
}
.process__list li:last-child{ border-bottom:1px solid rgba(244,243,238,.16); }
.process__num{
  font-family:var(--font-display); font-weight:700;
  font-size:1.1rem; color:var(--gold);
  min-width:2.4ch;
}
.process__list h3{ font-size:1.15rem; margin-bottom:.3em; }
.process__list p{ color:rgba(244,243,238,.72); margin:0; max-width:56ch; }

/* ============================================================
   Work
   ============================================================ */
.work{ padding:110px 0; }
.work-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:28px;
}
.work-card{
  border:1px solid var(--line);
  padding:28px;
  background:#fff;
}
.work-card__tag{
  display:inline-block;
  font-size:.78rem; font-weight:600;
  padding:.3em .8em;
  border:1.5px solid var(--c); color:var(--c);
  border-radius:var(--radius-hard);
  margin-bottom:16px;
}
.work-card h3{ font-size:1.15rem; }
.work-card p{ color:#4a4a55; font-size:.96rem; }

/* ============================================================
   About
   ============================================================ */
.about{ padding:110px 0; background:var(--paper-2); }
.about__grid{
  display:grid; grid-template-columns:1.2fr .8fr; gap:64px;
  align-items:start;
}
.about__copy p{ color:#3a3a44; font-size:1.05rem; max-width:56ch; }
.about__copy blockquote{
  margin:2em 0 0; padding-left:20px;
  border-left:3px solid var(--magenta);
  font-family:var(--font-accent); font-style:italic; font-size:1.15rem;
  color:#2a2a34;
}
.about__copy blockquote cite{
  display:block; margin-top:.6em; font-style:normal;
  font-family:var(--font-body); font-size:.85rem; color:#6a6a74;
}
.about__list{
  list-style:none; margin:0; padding:0;
  display:flex; flex-direction:column; gap:22px;
}
.about__list li{
  padding-top:18px; border-top:1px solid var(--line);
  font-size:.98rem; color:#3a3a44;
}
.about__list strong{ display:block; color:var(--ink); margin-bottom:.25em; }

/* ============================================================
   Contact
   ============================================================ */
.contact{ padding:110px 0; }
.contact__grid{
  display:grid; grid-template-columns:.9fr 1.1fr; gap:64px;
}
.contact__intro h2{ font-size:clamp(1.9rem,3.4vw,2.5rem); }
.contact__intro p{ color:#4a4a55; }
.contact__details{
  list-style:none; margin:2.4em 0 0; padding:0;
  display:flex; flex-direction:column; gap:14px;
}
.contact__details li{
  display:flex; align-items:baseline; gap:14px;
  padding-bottom:14px; border-bottom:1px solid var(--line);
}
.contact__details span{
  font-size:.78rem; text-transform:uppercase; letter-spacing:.06em;
  color:#8a8a94; min-width:70px;
}
.contact__details a{ text-decoration:none; font-weight:500; }
.contact__details a:hover{ color:var(--cobalt); }

.contact__form{
  display:grid; grid-template-columns:1fr 1fr; gap:20px;
  background:#fff; border:1px solid var(--line); padding:32px;
}
.form-row{ display:flex; flex-direction:column; gap:6px; }
.form-row--full{ grid-column:1 / -1; }
.form-row label{ font-size:.85rem; font-weight:600; color:#3a3a44; }
.form-row input, .form-row select, .form-row textarea{
  font-family:var(--font-body); font-size:.98rem;
  padding:.7em .8em; border:1.5px solid var(--line);
  border-radius:var(--radius-hard); background:var(--paper);
  color:var(--ink);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{
  border-color:var(--cobalt); outline:none;
}
.form-row textarea{ resize:vertical; }
.form-row--full .btn{ width:auto; }
.form-status{ margin:.8em 0 0; font-size:.9rem; color:#3a3a44; }
.form-status.is-error{ color:var(--magenta); }
.form-status.is-ok{ color:var(--leaf); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer{ background:var(--ink); color:rgba(244,243,238,.8); padding:44px 0; }
.footer__row{
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:20px;
}
.footer__mark{ height:34px; filter:brightness(0) invert(1); opacity:.9; }
.footer__nav{ display:flex; gap:22px; font-size:.9rem; flex-wrap:wrap; }
.footer__nav a{ text-decoration:none; }
.footer__nav a:hover{ color:#fff; }
.footer__copy{ margin:0; font-size:.85rem; color:rgba(244,243,238,.55); }

/* ============================================================
   Scroll reveal (single subtle pattern, applied per-section)
   ============================================================ */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity:1; transform:none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px){
  .hex-grid{ grid-template-columns:repeat(2,1fr); }
  .work-grid{ grid-template-columns:1fr 1fr; }
  .about__grid, .contact__grid{ grid-template-columns:1fr; gap:40px; }
  .hero__stats{ grid-template-columns:repeat(2,1fr); row-gap:24px; }
}

@media (max-width: 720px){
  .nav{
    position:absolute; top:76px; left:0; right:0;
    background:var(--paper); border-bottom:1px solid var(--line);
    flex-direction:column; align-items:flex-start; gap:0;
    padding:8px 24px 20px;
    transform:translateY(-8px); opacity:0; visibility:hidden;
    transition:opacity .2s ease, transform .2s ease, visibility .2s ease;
  }
  .nav.is-open{ transform:translateY(0); opacity:1; visibility:visible; }
  .nav a{ width:100%; padding:12px 0; }
  .nav__cta{ margin-top:8px; text-align:center; }
  .nav-toggle{ display:flex; }

  .hex-grid{ grid-template-columns:1fr 1fr; }
  .work-grid{ grid-template-columns:1fr; }
  .contact__form{ grid-template-columns:1fr; }
  .hero{ padding-top:80px; }
}

@media (max-width: 480px){
  .hex-grid{ grid-template-columns:1fr; }
  .hero__stats{ grid-template-columns:1fr 1fr; }
}