/* =========================================================
   K1W — Design System
   Concept: "Signal & Delivery" — grounded in the literal job
   of the business: screening mail, then routing it through
   multiple delivery providers until it lands. Status states
   (pending / routed / delivered) are the visual vocabulary.
   ========================================================= */

:root{
  --paper:#F5F6F3;
  --paper-raised:#FFFFFF;
  --ink:#12181F;
  --ink-soft:#4A5568;
  --ink-faint:#8A93A1;
  --line:#E2E4DF;
  --line-strong:#CDD1C8;
  --amber:#E8A33D;   /* pending / in-transit */
  --amber-soft:#FBEBD2;
  --teal:#1E8E7E;    /* routed / delivered */
  --teal-soft:#DCEEEA;
  --ink-inverse:#F5F6F3;
  --radius:10px;
  --radius-lg:18px;
  --shadow:0 1px 2px rgba(18,24,31,.04), 0 8px 24px -8px rgba(18,24,31,.10);
  --maxw:1160px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'IBM Plex Sans', -apple-system, sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:1rem;}

h1,h2,h3,h4{
  font-family:'Space Grotesk', 'IBM Plex Sans', sans-serif;
  font-weight:600;
  letter-spacing:-0.01em;
  line-height:1.15;
  color:var(--ink);
}
.mono{font-family:'IBM Plex Mono', monospace;}

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

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:2px solid var(--teal);
  outline-offset:2px;
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
}

/* ---------- Top status bar ---------- */
.topbar{
  background:var(--ink);
  color:var(--ink-faint);
  font-size:.78rem;
}
.topbar .container{
  display:flex;justify-content:space-between;align-items:center;
  padding:7px 24px;flex-wrap:wrap;gap:6px;
}
.topbar a{color:#D8DCE3;}
.topbar a:hover{color:#fff;}
.status-dot{
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--teal);margin-right:6px;
  box-shadow:0 0 0 3px var(--teal-soft);
}

/* ---------- Nav ---------- */
header.site-nav{
  background:rgba(245,246,243,0.92);
  backdrop-filter:blur(8px);
  position:sticky;top:0;z-index:100;
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 0;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1.15rem;font-family:'Space Grotesk',sans-serif;}
.brand-mark{
  width:36px;height:36px;border-radius:8px;
  background:var(--ink);color:var(--paper);
  display:flex;align-items:center;justify-content:center;
  font-family:'IBM Plex Mono',monospace;font-size:.8rem;font-weight:600;
  position:relative;
}
.brand-mark::after{
  content:'';position:absolute;top:-3px;right:-3px;
  width:8px;height:8px;border-radius:50%;background:var(--teal);
  box-shadow:0 0 0 2px var(--paper);
}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{font-size:.92rem;color:var(--ink-soft);transition:color .15s;}
.nav-links a:hover, .nav-links a[aria-current="page"]{color:var(--ink);}
.nav-links a[aria-current="page"]{font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:10px;}
.lang-switch{
  display:flex;border:1px solid var(--line-strong);border-radius:20px;overflow:hidden;font-size:.78rem;
}
.lang-switch a{padding:6px 12px;color:var(--ink-soft);font-family:'IBM Plex Mono',monospace;}
.lang-switch a.active{background:var(--ink);color:var(--paper);}
.hamburger{display:none;font-size:1.4rem;background:none;border:none;color:var(--ink);}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:8px;font-weight:600;font-size:.92rem;
  border:1px solid transparent;transition:transform .15s, box-shadow .15s, background .15s;
}
.btn:hover{transform:translateY(-1px);}
.btn-solid{background:var(--ink);color:var(--paper);}
.btn-solid:hover{background:#232C38;}
.btn-outline{border-color:var(--line-strong);color:var(--ink);background:transparent;}
.btn-outline:hover{border-color:var(--ink);}
.btn-teal{background:var(--teal);color:#fff;}
.btn-teal:hover{background:#187569;}
.btn-block{width:100%;justify-content:center;}
.btn-sm{padding:8px 16px;font-size:.85rem;}

@media (max-width: 860px){
  .nav-links{
    position:fixed;inset:64px 0 0 0;background:var(--paper);
    flex-direction:column;align-items:flex-start;gap:0;
    padding:20px 24px;transform:translateX(100%);transition:transform .25s ease;
    border-top:1px solid var(--line);
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{width:100%;padding:14px 0;border-bottom:1px solid var(--line);}
  .nav-actions .lang-switch{display:none;}
  .hamburger{display:block;}
}

/* ---------- Hero ---------- */
.hero{padding:72px 0 56px;position:relative;overflow:hidden;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'IBM Plex Mono',monospace;font-size:.75rem;letter-spacing:.04em;
  color:var(--ink-soft);background:var(--paper-raised);
  border:1px solid var(--line-strong);border-radius:20px;padding:6px 14px;
  margin-bottom:22px;
}
.hero h1{font-size:clamp(2rem, 4.4vw, 3.1rem);max-width:15ch;margin-bottom:20px;}
.hero h1 .accent{color:var(--teal);}
.hero p.lead{font-size:1.08rem;color:var(--ink-soft);max-width:52ch;margin-bottom:32px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px;}

/* Pipeline signature element */
.pipeline{
  display:flex;align-items:stretch;gap:0;
  background:var(--paper-raised);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow);
  overflow-x:auto;
}
.pipeline-stage{
  flex:1 1 0;min-width:150px;padding:20px 22px;position:relative;
  border-right:1px solid var(--line);
}
.pipeline-stage:last-child{border-right:none;}
.pipeline-stage .stage-index{
  font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:var(--ink-faint);
  display:flex;align-items:center;gap:6px;margin-bottom:10px;
}
.pipeline-stage .dot{width:7px;height:7px;border-radius:50%;background:var(--line-strong);}
.pipeline-stage.is-active .dot{background:var(--amber);box-shadow:0 0 0 3px var(--amber-soft);animation:pulse 2s infinite;}
.pipeline-stage.is-done .dot{background:var(--teal);box-shadow:0 0 0 3px var(--teal-soft);}
.pipeline-stage h4{font-size:.95rem;margin-bottom:4px;}
.pipeline-stage p{font-size:.8rem;color:var(--ink-soft);}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.4;}}
@media (max-width:700px){.pipeline{flex-direction:column;}.pipeline-stage{border-right:none;border-bottom:1px solid var(--line);}.pipeline-stage:last-child{border-bottom:none;}}

/* ---------- Stat strip ---------- */
.stat-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-raised);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:28px 22px;border-right:1px solid var(--line);}
.stat:last-child{border-right:none;}
.stat .num{font-family:'Space Grotesk',sans-serif;font-size:1.9rem;font-weight:600;}
.stat .label{font-size:.8rem;color:var(--ink-soft);margin-top:2px;}
@media (max-width:700px){.stat-grid{grid-template-columns:repeat(2,1fr);}.stat:nth-child(2n){border-right:none;}.stat:nth-child(n+3){border-top:1px solid var(--line);}}

/* ---------- Section generic ---------- */
section{padding:76px 0;}
.section-head{max-width:640px;margin-bottom:44px;}
.section-eyebrow{font-family:'IBM Plex Mono',monospace;font-size:.75rem;color:var(--teal);text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px;display:block;}
.section-head h2{font-size:clamp(1.6rem,3vw,2.1rem);margin-bottom:14px;}
.section-head p{color:var(--ink-soft);font-size:1rem;}
.bg-raised{background:var(--paper-raised);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.bg-ink{background:var(--ink);color:var(--ink-inverse);}
.bg-ink .section-head p{color:#A9B1BE;}

/* ---------- Card grid ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
@media (max-width:960px){.grid-4{grid-template-columns:repeat(2,1fr);}.grid-3{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr;}}

.card{
  background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 24px;transition:border-color .15s, transform .15s;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.card .icon-badge{
  width:42px;height:42px;border-radius:10px;background:var(--teal-soft);color:var(--teal);
  display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace;font-weight:600;
  margin-bottom:16px;
}
.card h3{font-size:1.05rem;margin-bottom:8px;}
.card p{font-size:.9rem;color:var(--ink-soft);}
.card ul{margin-top:12px;}
.card ul li{font-size:.85rem;color:var(--ink-soft);padding-left:16px;position:relative;margin-bottom:6px;}
.card ul li::before{content:'—';position:absolute;left:0;color:var(--ink-faint);}

/* ---------- Process steps (real sequence, numbered) ---------- */
.steps{counter-reset:step;}
.step-row{display:flex;gap:22px;padding:26px 0;border-top:1px solid var(--line);}
.step-row:last-child{border-bottom:1px solid var(--line);}
.step-num{
  font-family:'IBM Plex Mono',monospace;font-size:.85rem;color:var(--ink-faint);flex:0 0 48px;padding-top:2px;
}
.step-body h4{font-size:1.02rem;margin-bottom:6px;}
.step-body p{font-size:.9rem;color:var(--ink-soft);max-width:60ch;}

/* ---------- Media block ---------- */
.media-frame{
  aspect-ratio:4/3;border-radius:var(--radius-lg);overflow:hidden;position:relative;
  background:var(--paper-raised) repeating-linear-gradient(135deg, var(--line) 0 2px, transparent 2px 12px);
  border:1px dashed var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink-faint);font-family:'IBM Plex Mono',monospace;font-size:.75rem;text-align:center;padding:16px;
}
.media-frame .ph-label{position:relative;}
.media-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:inherit;}
.media-frame.square{aspect-ratio:1/1;}
.media-frame.wide{aspect-ratio:16/9;}

/* ---------- Testimonials / logos ---------- */
.quote-card{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;}
.quote-card p{font-size:.95rem;color:var(--ink);margin-bottom:16px;}
.quote-who{display:flex;align-items:center;gap:10px;font-size:.85rem;color:var(--ink-soft);}
.quote-avatar{width:34px;height:34px;border-radius:50%;background:var(--line);flex:0 0 34px;}

/* ---------- CTA banner ---------- */
.cta-banner{background:var(--ink);color:var(--ink-inverse);padding:56px 0;text-align:center;}
.cta-banner h2{color:#fff;font-size:clamp(1.5rem,3vw,2rem);margin-bottom:12px;}
.cta-banner p{color:#A9B1BE;margin-bottom:26px;}
.cta-banner .hero-cta{justify-content:center;}
.cta-banner .btn-outline{border-color:#3A4453;color:#fff;}

/* ---------- Forms ---------- */
.form-card{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width:640px){.form-row{grid-template-columns:1fr;}}
.field{margin-bottom:18px;}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;}
.field .hint{font-size:.78rem;color:var(--ink-faint);margin-top:5px;}
.field input, .field select, .field textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line-strong);border-radius:8px;background:var(--paper);
  transition:border-color .15s;
}
.field input:focus, .field select:focus, .field textarea:focus{border-color:var(--teal);outline:none;}
.field textarea{min-height:110px;resize:vertical;}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;margin-bottom:16px;font-size:.85rem;color:var(--ink-soft);}
.checkbox-row input{margin-top:3px;width:16px;height:16px;flex:0 0 16px;}
.form-note{
  background:var(--teal-soft);border:1px solid #BFE0DA;border-radius:8px;padding:14px 16px;
  font-size:.82rem;color:#146157;margin-bottom:22px;
}
.form-split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
@media (max-width:900px){.form-split{grid-template-columns:1fr;}}

/* ---------- Contact info list ---------- */
.info-list{margin-top:24px;}
.info-item{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line);}
.info-item:first-child{border-top:none;}
.info-icon{
  width:38px;height:38px;border-radius:9px;background:var(--paper-raised);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace;font-size:.75rem;flex:0 0 38px;
}
.info-item h4{font-size:.85rem;color:var(--ink-faint);text-transform:uppercase;letter-spacing:.03em;margin-bottom:3px;}
.info-item p, .info-item a{font-size:.95rem;}

/* ---------- FAQ ---------- */
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;padding:20px 0;
  display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.98rem;color:var(--ink);
}
.faq-q .chev{transition:transform .2s;color:var(--ink-faint);font-family:'IBM Plex Mono',monospace;}
.faq-item.open .chev{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-a p{padding-bottom:20px;color:var(--ink-soft);font-size:.9rem;max-width:65ch;}

/* ---------- Legal doc pages ---------- */
.doc{max-width:760px;}
.doc h2{font-size:1.3rem;margin:36px 0 12px;}
.doc h2:first-child{margin-top:0;}
.doc p, .doc li{color:var(--ink-soft);font-size:.95rem;margin-bottom:12px;}
.doc ul, .doc ol{padding-left:22px;margin-bottom:14px;}
.doc ul{list-style:disc;}
.doc ol{list-style:decimal;}
.doc .updated{
  font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:var(--ink-faint);
  margin-bottom:32px;display:inline-block;border:1px solid var(--line-strong);padding:5px 12px;border-radius:20px;
}
.doc-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:36px;}
.doc-nav a{
  font-size:.78rem;font-family:'IBM Plex Mono',monospace;padding:6px 12px;border:1px solid var(--line-strong);
  border-radius:16px;color:var(--ink-soft);
}
.doc-nav a:hover{border-color:var(--ink);color:var(--ink);}

/* ---------- Preference list (unsubscribe) ---------- */
.pref-item{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-top:1px solid var(--line);gap:20px;}
.pref-item:first-child{border-top:none;}
.pref-item h4{font-size:.95rem;margin-bottom:3px;}
.pref-item p{font-size:.82rem;color:var(--ink-soft);}
.switch{position:relative;width:42px;height:24px;flex:0 0 42px;}
.switch input{opacity:0;width:0;height:0;}
.switch .track{position:absolute;inset:0;background:var(--line-strong);border-radius:20px;transition:.2s;}
.switch .track::before{content:'';position:absolute;width:18px;height:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s;}
.switch input:checked + .track{background:var(--teal);}
.switch input:checked + .track::before{transform:translateX(18px);}

/* ---------- Status badge (used to show real safeguards) ---------- */
.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-family:'IBM Plex Mono',monospace;font-size:.72rem;
  border:1px solid var(--line-strong);border-radius:16px;padding:5px 11px;color:var(--ink-soft);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);}

/* ---------- Footer ---------- */
footer{background:var(--ink);color:#A9B1BE;padding-top:60px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-brand p{font-size:.88rem;margin:14px 0 18px;max-width:34ch;}
.footer-col h4{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;margin-bottom:14px;}
.footer-col li{margin-bottom:9px;}
.footer-col a{font-size:.88rem;color:#A9B1BE;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid #232C38;padding:20px 0;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:10px;font-size:.8rem;color:#6B7688;
}
.footer-bottom a{color:#6B7688;}
.footer-bottom a:hover{color:#fff;}

/* ---------- Utility ---------- */
.text-center{text-align:center;}
.mt-0{margin-top:0;}
.skip-link{
  position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 8px 0;
}
.skip-link:focus{left:0;}