/* ==========================================================================
   Setu — design system
   Palette carried over from the existing brand (black / blue / white):
     --ink        #0e1116   near-black, primary dark surface & body text-on-white pairing
     --ink-deep   #080a0d   deepest black, footer
     --blue       #2f6bff   primary accent
     --blue-light #6da0ff   secondary accent, links on dark
     --paper      #ffffff   white
     --mist       #eef0f3   light section surface
     --line       #e3e6ea   hairline borders on light
     --line-dark  #1c2530   hairline borders on dark
     --line-dark-2 #22303f  secondary dark border
     --muted      #a4aebd   muted text on dark
     --muted-2    #5b6470   muted text on light
     --body-ink   #2a313c   long-form copy on white
   Type: Space Grotesk (display) / IBM Plex Sans (body) / IBM Plex Mono (data & wayfinding)
   ========================================================================== */

:root{
  --ink:#0e1116;
  --ink-deep:#080a0d;
  --blue:#2f6bff;
  --blue-light:#6da0ff;
  --blue-dim:#1c3a80;
  --paper:#ffffff;
  --mist:#eef0f3;
  --mist-2:#f4f5f7;
  --line:#e3e6ea;
  --line-dark:#1c2530;
  --line-dark-2:#22303f;
  --muted:#a4aebd;
  --muted-2:#5b6470;
  --muted-3:#6b7686;
  --body-ink:#2a313c;

  --display:'Space Grotesk',sans-serif;
  --body:'IBM Plex Sans',sans-serif;
  --mono:'IBM Plex Mono',monospace;

  --max:1180px;
  --gutter:48px;
  --radius:14px;
  --radius-sm:8px;

  --ease:cubic-bezier(.16,.8,.24,1);
  --ease-soft:cubic-bezier(.4,0,.2,1);
}

@media (max-width:720px){
  :root{ --gutter:22px; }
}

*{ margin:0; padding:0; 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; scroll-behavior:auto !important; }
}

body{
  font-family:var(--body);
  color:var(--body-ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

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

a{ color:inherit; text-decoration:none; }

h1,h2,h3,h4{ font-family:var(--display); letter-spacing:-0.02em; color:var(--ink); }

p{ line-height:1.65; }

button{ font-family:inherit; cursor:pointer; border:none; background:none; }

::selection{ background:var(--blue); color:#fff; }

:focus-visible{ outline:2px solid var(--blue); outline-offset:3px; border-radius:4px; }

.wrap{ max-width:var(--max); margin:0 auto; padding-left:var(--gutter); padding-right:var(--gutter); }

.mono-tag{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.06em;
  color:var(--blue);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.mono-tag::before{
  content:'';
  width:6px; height:6px; border-radius:50%;
  background:var(--blue);
  display:inline-block;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--body);
  font-weight:600;
  font-size:15px;
  padding:14px 26px;
  border-radius:9px;
  transition:transform .45s var(--ease), background .3s var(--ease-soft), color .3s var(--ease-soft), box-shadow .35s var(--ease-soft);
  white-space:nowrap;
}
.btn-primary{
  background:var(--blue);
  color:#fff;
  box-shadow:0 14px 30px -14px rgba(47,107,255,.55);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 18px 36px -12px rgba(47,107,255,.65); }
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border:1px solid var(--line);
}
.btn-ghost:hover{ border-color:var(--ink); transform:translateY(-2px); }
.btn-ghost-dark{
  background:transparent;
  color:#fff;
  border:1px solid var(--line-dark-2);
}
.btn-ghost-dark:hover{ border-color:var(--blue-light); transform:translateY(-2px); }
.btn-arrow{ transition:transform .35s var(--ease); }
.btn:hover .btn-arrow{ transform:translateX(3px); }

/* ---------- nav ---------- */
.site-nav{
  position:sticky; top:0; z-index:80;
  background:rgba(14,17,22,.82);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-nav .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:16px; padding-bottom:16px;
  gap:20px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-word{ font-family:var(--display); font-weight:600; font-size:19px; color:#fff; letter-spacing:-0.01em; }
.nav-links{
  display:flex; align-items:center; gap:28px;
  font-family:var(--mono); font-size:12.5px; letter-spacing:0.02em; color:var(--muted);
}
.nav-links a{ position:relative; padding:6px 0; transition:color .25s var(--ease-soft); }
.nav-links a:hover{ color:#fff; }
.nav-links a.active{ color:#fff; }
.nav-links a.active::after{
  content:''; position:absolute; left:0; right:0; bottom:-1px; height:1px; background:var(--blue);
}
.nav-cta{
  background:var(--blue) !important; color:#fff !important; padding:10px 20px; border-radius:7px;
  font-family:var(--body); font-weight:600; letter-spacing:0; font-size:14px;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.nav-cta:hover{ transform:translateY(-1px); box-shadow:0 10px 24px -10px rgba(47,107,255,.7); }

.nav-toggle{ display:none; }
.hamburger{ display:none; width:26px; height:20px; position:relative; cursor:pointer; }
.hamburger span{
  position:absolute; left:0; right:0; height:2px; background:#fff; border-radius:2px;
  transition:transform .3s var(--ease-soft), opacity .3s var(--ease-soft);
}
.hamburger span:nth-child(1){ top:0; }
.hamburger span:nth-child(2){ top:9px; }
.hamburger span:nth-child(3){ top:18px; }

@media (max-width:900px){
  .hamburger{ display:block; }
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; align-items:flex-start; gap:0;
    background:var(--ink-deep);
    border-bottom:1px solid var(--line-dark);
    max-height:0; overflow:hidden;
    transition:max-height .4s var(--ease-soft);
  }
  .nav-links a{ padding:16px var(--gutter); width:100%; border-top:1px solid var(--line-dark); }
  .nav-links a.active::after{ display:none; }
  .nav-cta{ margin:16px var(--gutter) 20px; width:calc(100% - 2*var(--gutter)); justify-content:center; display:flex; }
  .nav-links a.nav-cta{ width:calc(100% - 2*var(--gutter)); }
  .nav-toggle:checked ~ .nav-links{ max-height:80vh; }
  .nav-toggle:checked ~ .hamburger span:nth-child(1){ transform:translateY(9px) rotate(45deg); }
  .nav-toggle:checked ~ .hamburger span:nth-child(2){ opacity:0; }
  .nav-toggle:checked ~ .hamburger span:nth-child(3){ transform:translateY(-9px) rotate(-45deg); }
}

/* ---------- sections ---------- */
section{ position:relative; }
.sec{ padding:96px 0; }
.sec-tight{ padding:64px 0; }
@media (max-width:720px){ .sec{ padding:64px 0; } .sec-tight{ padding:44px 0; } }

.sec-dark{ background:var(--ink); color:#fff; }
.sec-mist{ background:var(--mist); }
.sec-line-top{ border-top:1px solid var(--line); }
.sec-line-bottom{ border-bottom:1px solid var(--line); }

.eyebrow{
  font-family:var(--mono); font-size:12px; letter-spacing:0.06em; color:var(--blue);
  margin-bottom:18px; display:flex; align-items:center; gap:8px;
}
.eyebrow::before{ content:''; width:14px; height:1px; background:var(--blue); display:inline-block; }
.eyebrow-light{ color:var(--blue-light); }

.h-display{ font-size:clamp(34px,5vw,58px); line-height:1.08; font-weight:600; }
.h-section{ font-size:clamp(26px,3vw,36px); line-height:1.15; font-weight:600; }
.h-card{ font-size:22px; font-weight:600; line-height:1.2; }

.lede{ font-size:18px; line-height:1.65; color:var(--muted); max-width:640px; }
.lede-light{ font-size:17px; line-height:1.7; color:var(--muted-2); max-width:640px; }

/* ---------- reveal-on-scroll ---------- */
.reveal{ opacity:0; transform:translateY(22px); }
.reveal.is-visible{
  opacity:1; transform:translateY(0);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}

/* stagger children via inline transition-delay set by JS */

/* ---------- hero ---------- */
.hero{
  background:var(--ink); color:#fff;
  padding:110px 0 90px;
  overflow:hidden;
  position:relative;
}
.hero-field{
  position:absolute; inset:0; pointer-events:none; opacity:.55;
}
.hero-content{ position:relative; z-index:2; max-width:880px; }
.hero h1{ margin:22px 0 26px; color:#fff; }
.hero .lede{ margin-bottom:36px; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }

/* animated headline word reveal */
.word{ display:inline-block; overflow:hidden; }
.word > span{ display:inline-block; will-change:transform; }

/* ---------- trust strip ---------- */
.trust-strip{
  display:flex; align-items:center; gap:40px; flex-wrap:wrap;
  padding:28px 0;
  border-top:1px solid var(--line-dark-2);
  margin-top:56px;
}
.trust-item{ display:flex; flex-direction:column; gap:4px; }
.trust-num{ font-family:var(--display); font-size:26px; font-weight:600; color:#fff; }
.trust-label{ font-size:12.5px; color:var(--muted); }

/* ---------- flow / bridge timeline (signature motif) ---------- */
.flow{
  position:relative;
  padding-top:20px;
}
.flow-rail{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.flow-rail.with-addons{ grid-template-columns:repeat(4,1fr); }
.flow-line{
  position:absolute; left:0; right:0; top:23px; height:2px;
  background:var(--line-dark-2);
  z-index:0;
}
.flow-line-fill{
  position:absolute; left:0; top:0; height:100%; width:0%;
  background:var(--blue);
  transition:width 1.4s var(--ease);
}
.flow-node{ position:relative; z-index:1; padding-right:18px; }
.flow-dot{
  width:46px; height:46px; border-radius:50%;
  background:var(--ink); border:2px solid var(--blue);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--display); font-weight:600; font-size:13px; color:var(--blue-light);
  margin-bottom:20px;
  transition:transform .5s var(--ease), background .4s var(--ease), color .4s var(--ease);
  position:relative;
}
.flow-dot::after{
  content:''; position:absolute; inset:-6px; border-radius:50%;
  border:1px solid var(--blue); opacity:0; transition:opacity .4s var(--ease), transform .4s var(--ease);
  transform:scale(.85);
}
.flow-node.is-active .flow-dot{ background:var(--blue); color:#fff; transform:scale(1.08); }
.flow-node.is-active .flow-dot::after{ opacity:.5; transform:scale(1); }
.flow-node-title{ font-weight:600; font-size:15px; color:#fff; margin-bottom:6px; }
.flow-node-desc{ font-size:13.5px; color:var(--muted); line-height:1.55; }
.flow-addon-row{
  margin-top:44px; padding-top:28px; border-top:1px dashed var(--line-dark-2);
  display:grid; grid-template-columns:repeat(4,1fr); gap:18px;
}
.flow-addon{
  display:flex; align-items:flex-start; gap:10px;
  font-size:13px; color:var(--muted);
}
.flow-addon .plus{ color:var(--blue-light); font-family:var(--mono); font-size:13px; flex-shrink:0; }

@media (max-width:860px){
  .flow-rail, .flow-addon-row{ grid-template-columns:1fr 1fr; gap:32px 20px; }
  .flow-line{ display:none; }
}
@media (max-width:520px){
  .flow-rail, .flow-addon-row{ grid-template-columns:1fr; }
}

/* ---------- service cards (home preview) ---------- */
.svc-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.svc-card{
  background:#fff; padding:40px 34px; display:flex; flex-direction:column; gap:16px;
  transition:background .4s var(--ease-soft);
}
.svc-card:hover{ background:var(--mist-2); }
.svc-index{ font-family:var(--display); font-size:15px; color:var(--blue); font-weight:600; }
.svc-card h3{ font-size:21px; }
.svc-card p{ font-size:14.5px; color:var(--muted-2); flex:1; }
.svc-link{ font-size:14px; font-weight:600; color:var(--blue); display:inline-flex; align-items:center; gap:8px; }
.svc-link .btn-arrow{ transition:transform .35s var(--ease); }
.svc-card:hover .btn-arrow{ transform:translateX(4px); }
@media (max-width:860px){ .svc-grid{ grid-template-columns:1fr; } }

/* ---------- generic card grid ---------- */
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
@media (max-width:860px){ .grid-2,.grid-3{ grid-template-columns:1fr; } }

.panel{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:34px; }
.panel-dark{ background:var(--ink); border:1px solid var(--line-dark-2); border-radius:var(--radius); padding:34px; color:#fff; }

/* ---------- output checklist ---------- */
.checklist{ display:flex; flex-direction:column; gap:0; }
.checklist li,.checklist div{ list-style:none; }
.check-row{
  display:flex; align-items:flex-start; gap:14px;
  padding:16px 0;
  border-top:1px solid var(--line);
  font-size:15px;
}
.check-row:first-child{ border-top:none; }
.check-mark{
  flex-shrink:0; width:20px; height:20px; border-radius:50%;
  border:1.5px solid var(--blue); color:var(--blue);
  display:flex; align-items:center; justify-content:center; font-size:11px; margin-top:1px;
}

/* ---------- process rows (services detail) ---------- */
.proc-list{ display:flex; flex-direction:column; gap:1px; background:var(--line); border-radius:var(--radius); overflow:hidden; border:1px solid var(--line); }
.proc-row{
  background:#fff; padding:36px; display:grid; grid-template-columns:80px 1fr; gap:28px;
}
.proc-num{ font-family:var(--display); font-size:34px; font-weight:600; color:var(--blue); line-height:1; }
.proc-row h4{ font-size:18px; margin-bottom:8px; }
.proc-row p{ font-size:14.5px; color:var(--muted-2); max-width:560px; }
@media (max-width:640px){ .proc-row{ grid-template-columns:1fr; gap:12px; } }

/* ---------- accordion (add-ons) ---------- */
.accordion{ display:flex; flex-direction:column; gap:1px; background:var(--line-dark); border-radius:var(--radius); overflow:hidden; border:1px solid var(--line-dark); }
.acc-item{ background:var(--ink); }
.acc-trigger{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:20px;
  padding:26px 30px; text-align:left; color:#fff; font-family:var(--display); font-weight:600; font-size:17px;
}
.acc-trigger .tag{ font-family:var(--mono); font-size:11.5px; color:var(--blue-light); font-weight:400; letter-spacing:0.04em; margin-bottom:6px; display:block; }
.acc-plus{ position:relative; width:20px; height:20px; flex-shrink:0; }
.acc-plus::before,.acc-plus::after{
  content:''; position:absolute; background:var(--blue-light); transition:transform .35s var(--ease-soft), opacity .35s;
}
.acc-plus::before{ left:0; top:9px; width:20px; height:2px; }
.acc-plus::after{ left:9px; top:0; width:2px; height:20px; }
.acc-item.is-open .acc-plus::after{ transform:rotate(90deg); opacity:0; }
.acc-panel{ max-height:0; overflow:hidden; transition:max-height .45s var(--ease-soft); }
.acc-panel-inner{ padding:0 30px 28px; color:var(--muted); font-size:14.5px; line-height:1.7; max-width:640px; }

/* ---------- FAQ style reuse for canton fair etc ---------- */

/* ---------- stat band ---------- */
.stat-band{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.stat-box{ background:#fff; border:1px solid var(--line); border-radius:12px; padding:30px; text-align:center; }
.stat-box .num{ font-family:var(--display); font-size:28px; font-weight:600; color:var(--blue); }
.stat-box .lbl{ font-size:13.5px; color:var(--muted-2); margin-top:8px; }
@media (max-width:720px){ .stat-band{ grid-template-columns:1fr; } }

/* ---------- CTA band ---------- */
.cta-band{ background:var(--ink); color:#fff; padding:88px 0; text-align:center; position:relative; overflow:hidden; }
.cta-band h3{ color:#fff; font-size:clamp(28px,3.6vw,40px); margin-bottom:28px; }
.cta-band-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ---------- footer ---------- */
footer{ background:var(--ink-deep); color:var(--muted-3); padding:56px 0 30px; }
.footer-top{ display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:32px; margin-bottom:34px; }
.footer-brand-word{ color:#fff; font-family:var(--display); font-weight:600; font-size:18px; }
.footer-tag{ font-family:var(--mono); font-size:11px; letter-spacing:0.08em; color:var(--blue-light); margin-top:6px; }
.footer-cols{ display:flex; gap:56px; flex-wrap:wrap; }
.footer-col h5{ font-family:var(--body); color:#fff; font-size:13px; font-weight:600; margin-bottom:14px; letter-spacing:0.01em; }
.footer-col a,.footer-col p{ display:block; font-size:13.5px; color:var(--muted-3); margin-bottom:10px; transition:color .25s; }
.footer-col a:hover{ color:var(--blue-light); }
.footer-bottom{ border-top:1px solid var(--line-dark); padding-top:22px; font-size:12.5px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; }
@media (max-width:720px){ .footer-cols{ gap:34px; } }

/* ---------- forms (contact) ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-field{ display:flex; flex-direction:column; gap:8px; }
.form-field.full{ grid-column:1 / -1; }
.form-field label{ font-size:13px; font-weight:600; color:var(--ink); }
.form-field input,.form-field select,.form-field textarea{
  font-family:var(--body); font-size:15px; padding:13px 15px;
  border:1px solid var(--line); border-radius:8px; background:#fff; color:var(--ink);
  transition:border-color .25s var(--ease-soft), box-shadow .25s var(--ease-soft);
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  border-color:var(--blue); box-shadow:0 0 0 3px rgba(47,107,255,.14); outline:none;
}
.form-field textarea{ resize:vertical; min-height:120px; }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }

/* ---------- utility ---------- */
.center{ text-align:center; margin-left:auto; margin-right:auto; }
.mt-8{ margin-top:8px; } .mt-12{ margin-top:12px; } .mt-16{ margin-top:16px; }
.mt-24{ margin-top:24px; } .mt-32{ margin-top:32px; } .mt-48{ margin-top:48px; } .mt-64{ margin-top:64px; }
.section-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:20px; flex-wrap:wrap; margin-bottom:40px; }
.link-more{ color:var(--blue); font-weight:600; font-size:14.5px; display:inline-flex; align-items:center; gap:6px; }

/* index chips used for step tabs on service pages */
.tab-row{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:0; }
.tab-chip{ font-family:var(--mono); font-size:12.5px; color:var(--muted-2); border:1px solid var(--line); padding:8px 16px; border-radius:20px; }