/* ==========================================================================
   Influx Mobility — shared stylesheet
   International B2B deal sourcing & commercial introductions
   Restrained B2B system: deep navy + light neutrals + one teal accent.
   ========================================================================== */

:root{
  /* ground + neutrals */
  --navy:#0C1A2B;          /* deep navy — hero, footer, dark blocks */
  --navy-2:#102435;        /* raised navy surface */
  --ink:#0E1621;           /* primary text on light */
  --canvas:#FFFFFF;        /* default page ground */
  --paper:#F4F7F9;         /* light neutral alternating section */
  --paper-2:#EAEFF3;
  /* lines */
  --line:#E3E9EE;
  --line-strong:#D1DAE2;
  --line-navy:rgba(234,240,246,.14);
  --line-navy-2:rgba(234,240,246,.08);
  /* text */
  --muted:#53606D;         /* secondary on light */
  --muted-2:#7C8894;
  --on-navy:#EAF0F6;       /* text on navy */
  --on-navy-mute:#9DB0C2;
  /* accent — restrained teal */
  --accent:#0E7C86;
  --accent-strong:#0A5A62;
  --accent-ink:#083B41;
  --accent-soft:#E4F1F2;
  /* status */
  --ok:#1E7A52; --ok-soft:#E4F3EB;
  --err:#B42318; --err-soft:#FBEAE8;
  /* type */
  --sans:'Geist',system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:'Instrument Serif',Georgia,"Times New Roman",serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
  --ease:cubic-bezier(.22,1,.36,1);
  --pad:clamp(20px,5vw,72px);
  --maxw:1180px;
  --radius:12px;
  --radius-sm:8px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--canvas);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.62;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
svg{display:block}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
.section{padding-block:clamp(64px,9vw,120px)}
.section--paper{background:var(--paper)}
.section--navy{background:var(--navy);color:var(--on-navy)}
.section--tight{padding-block:clamp(44px,6vw,76px)}
.rule{height:1px;background:var(--line);border:0;margin-block:clamp(26px,4vw,44px)}
.section--navy .rule{background:var(--line-navy)}

/* ---------- type ---------- */
.eyebrow{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.2em;
  text-transform:uppercase;color:var(--accent)}
.section--navy .eyebrow{color:#5FD2DB}
h1,h2,h3,h4{font-weight:400;letter-spacing:-.01em;text-wrap:balance}
.display{font-family:var(--serif);font-size:clamp(38px,6vw,68px);line-height:1.02;letter-spacing:-.015em}
.h2{font-family:var(--serif);font-size:clamp(30px,4.4vw,52px);line-height:1.05;letter-spacing:-.012em}
.h3{font-family:var(--sans);font-weight:500;font-size:clamp(19px,2vw,23px);letter-spacing:-.01em;line-height:1.25}
.lede{font-size:clamp(16px,1.4vw,19px);line-height:1.62;color:var(--muted);max-width:60ch}
.section--navy .lede{color:var(--on-navy-mute)}
.measure{max-width:68ch}
em.ser{font-family:var(--serif);font-style:italic;color:var(--accent)}
.section--navy em.ser{color:#6FD8E0}

/* ---------- section header ---------- */
.shead{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.shead .n{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.14em;color:var(--accent)}
.shead .t{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2)}
.section--navy .shead .t{color:var(--on-navy-mute)}
.shead i{flex:1;height:1px;background:var(--line)}
.section--navy .shead i{background:var(--line-navy)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--sans);font-weight:500;
  font-size:15px;padding:13px 22px;border-radius:100px;border:1px solid transparent;
  cursor:pointer;transition:transform .2s var(--ease),background .2s,border-color .2s,color .2s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn .arw{transition:transform .2s var(--ease)}
.btn:hover .arw{transform:translateX(3px)}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-strong);border-color:var(--accent-strong)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--ink)}
.section--navy .btn-ghost,.hero .btn-ghost{color:var(--on-navy);border-color:var(--line-navy)}
.section--navy .btn-ghost:hover,.hero .btn-ghost:hover{color:var(--on-navy);border-color:var(--on-navy);background:rgba(255,255,255,.04)}
.btn-block{width:100%;justify-content:center}
.btns{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.nav.stuck{border-color:var(--line);box-shadow:0 1px 0 rgba(14,22,33,.03)}
.nav .bar{display:flex;align-items:center;gap:18px;max-width:var(--maxw);margin-inline:auto;
  padding:14px var(--pad)}
.brand{display:flex;align-items:center;gap:10px}
.brand svg{width:22px;height:22px;flex:none}
.brand .bt{display:flex;flex-direction:column;line-height:1}
.brand .bt b{font-family:var(--serif);font-weight:400;font-size:20px;letter-spacing:-.01em}
.brand .bt span{font-family:var(--mono);font-size:8px;letter-spacing:.32em;color:var(--muted-2);margin-top:3px}
.nav .links{margin-left:auto;display:flex;align-items:center;gap:28px}
.nav .links a{font-family:var(--sans);font-size:14.5px;color:var(--muted);transition:color .2s}
.nav .links a:hover,.nav .links a[aria-current="page"]{color:var(--ink)}
.nav .links .btn{font-size:14px;padding:10px 18px}
.nav .burger{margin-left:auto;display:none;width:42px;height:42px;border:1px solid var(--line);
  border-radius:9px;background:none;cursor:pointer;place-items:center}
.nav .burger span{position:relative;width:18px;height:1.5px;background:var(--ink);display:block}
.nav .burger span::before,.nav .burger span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--ink)}
.nav .burger span::before{top:-6px}.nav .burger span::after{top:6px}
@media(max-width:860px){
  .nav .links{position:fixed;inset:60px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--canvas);border-bottom:1px solid var(--line);padding:8px var(--pad) 20px;
    transform:translateY(-120%);transition:transform .35s var(--ease);margin:0}
  .nav.open .links{transform:none}
  .nav .links a{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .nav .links .btn{margin-top:14px;justify-content:center}
  .nav .burger{display:grid}
}

/* ---------- hero ---------- */
.hero{background:var(--navy);color:var(--on-navy);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 92% -10%,rgba(14,124,134,.26),transparent 55%)}
.hero .wrap{position:relative;padding-block:clamp(64px,10vw,128px)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,64px);align-items:center}
@media(max-width:920px){.hero-grid{grid-template-columns:1fr;gap:40px}}
.hero h1{margin:22px 0 22px}
.hero .cred{display:flex;align-items:center;gap:10px;margin-top:30px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--on-navy-mute);
  padding-top:22px;border-top:1px solid var(--line-navy);flex-wrap:wrap}
.hero .cred b{color:var(--on-navy);font-weight:500}

/* key card (hero right) — honest, no fake data */
.keycard{background:var(--navy-2);border:1px solid var(--line-navy);border-radius:var(--radius);
  padding:24px;box-shadow:0 30px 60px -40px rgba(0,0,0,.6)}
.keycard .kh{display:flex;align-items:center;justify-content:space-between;
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--on-navy-mute);padding-bottom:14px;border-bottom:1px solid var(--line-navy)}
.keycard .krow{display:flex;align-items:flex-start;gap:12px;padding:14px 0;border-bottom:1px solid var(--line-navy-2)}
.keycard .krow:last-child{border-bottom:0;padding-bottom:0}
.keycard .kn{font-family:var(--mono);font-size:11px;color:#5FD2DB;flex:none;width:22px}
.keycard .kt b{display:block;font-weight:500;font-size:15px;color:var(--on-navy)}
.keycard .kt span{font-size:13px;color:var(--on-navy-mute)}

/* ---------- pathway cards (buyer / supplier) ---------- */
.paths{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,2.4vw,24px)}
@media(max-width:780px){.paths{grid-template-columns:1fr}}
.path{border:1px solid var(--line);border-radius:var(--radius);padding:clamp(26px,3vw,36px);
  background:var(--canvas);display:flex;flex-direction:column;transition:border-color .25s,box-shadow .25s,transform .25s}
.path:hover{border-color:var(--line-strong);box-shadow:0 18px 40px -30px rgba(14,22,33,.28);transform:translateY(-2px)}
.path .tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);display:inline-flex;align-items:center;gap:8px;margin-bottom:16px}
.path h3{margin-bottom:12px}
.path ul{list-style:none;margin:18px 0 26px;display:flex;flex-direction:column;gap:11px}
.path li{position:relative;padding-left:26px;font-size:14.5px;color:var(--muted);line-height:1.5}
.path li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:9px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg);
  border-radius:0 0 0 2px}
.path .foot{margin-top:auto}

/* ---------- feature / service grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:clamp(14px,2vw,22px)}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:clamp(16px,2.4vw,26px)}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,2.6vw,32px);background:var(--canvas)}
.card .ic{width:42px;height:42px;border-radius:10px;background:var(--accent-soft);color:var(--accent);
  display:grid;place-items:center;margin-bottom:18px}
.card .ic svg{width:22px;height:22px}
.card h3{margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.58}
.card .lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--accent);margin-bottom:14px}

/* ---------- product category grid ---------- */
.prods{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.prod{background:var(--canvas);padding:28px 26px;transition:background .25s}
.prod:hover{background:var(--paper)}
.prod .ic{width:40px;height:40px;color:var(--accent);margin-bottom:16px}
.prod h3{font-size:19px;font-weight:500;margin-bottom:8px}
.prod p{font-size:13.5px;color:var(--muted);line-height:1.55}
.prod .forms{margin-top:14px;font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--muted-2)}

/* ---------- process steps ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:clamp(22px,3vw,34px);counter-reset:step}
.step{position:relative;padding-top:26px;border-top:2px solid var(--line-strong)}
.step .k{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--accent);margin-bottom:12px}
.step h3{font-size:18px;font-weight:500;margin-bottom:9px;letter-spacing:-.01em}
.step p{font-size:14px;color:var(--muted);line-height:1.56}
.section--navy .step{border-top-color:var(--line-navy)}
.section--navy .step p{color:var(--on-navy-mute)}

/* ---------- coverage regions (typographic, no map) ---------- */
.regions{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1px;
  background:var(--line-navy);border:1px solid var(--line-navy);border-radius:var(--radius);overflow:hidden}
.region{background:var(--navy);padding:24px 22px}
.region .k{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:#5FD2DB;margin-bottom:10px}
.region h3{font-size:18px;font-weight:500;color:var(--on-navy)}
.region p{font-size:13px;color:var(--on-navy-mute);margin-top:6px;line-height:1.5}

/* ---------- transparency / callout ---------- */
.callout{border-left:3px solid var(--accent);padding:6px 0 6px 24px;margin-top:8px}
.callout p{font-family:var(--serif);font-size:clamp(20px,2.6vw,30px);line-height:1.3;color:var(--ink)}
.section--navy .callout p{color:var(--on-navy)}
.note{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,2.6vw,30px)}
.note h3{font-size:17px;font-weight:500;margin-bottom:10px}
.note p{font-size:14.5px;color:var(--muted);line-height:1.6}
.note p+p{margin-top:12px}

/* ---------- data table ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
table.tbl{width:100%;border-collapse:collapse;font-size:14px;min-width:520px}
table.tbl th,table.tbl td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line)}
table.tbl th{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted-2);font-weight:500;background:var(--paper)}
table.tbl tr:last-child td{border-bottom:0}
table.tbl td{color:var(--muted);font-variant-numeric:tabular-nums}
table.tbl td:first-child{color:var(--ink);font-weight:500}

/* ---------- forms ---------- */
.form{display:flex;flex-direction:column;gap:22px}
.form fieldset{border:0;display:flex;flex-direction:column;gap:18px}
.form legend{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin-bottom:4px}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px 18px}
@media(max-width:620px){.fgrid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:500;color:var(--ink);display:flex;align-items:center;gap:6px}
.field label .req{color:var(--accent)}
.field label .opt{font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;color:var(--muted-2);text-transform:uppercase}
.field input,.field select,.field textarea{font-family:var(--sans);font-size:15px;color:var(--ink);
  background:var(--canvas);border:1px solid var(--line-strong);border-radius:var(--radius-sm);
  padding:12px 13px;width:100%;transition:border-color .2s,box-shadow .2s}
.field textarea{resize:vertical;min-height:110px;line-height:1.55}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-soft)}
.field input:user-invalid,.field select:user-invalid,.field textarea:user-invalid{border-color:var(--err)}
.field .hint{font-size:12.5px;color:var(--muted-2)}
.field .err{font-size:12.5px;color:var(--err);display:none}
.field.invalid .err{display:block}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--err)}
/* honeypot */
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
/* form status */
.fstatus{border-radius:var(--radius-sm);padding:14px 16px;font-size:14px;line-height:1.5;display:none}
.fstatus.show{display:block}
.fstatus.ok{background:var(--ok-soft);color:var(--ok);border:1px solid rgba(30,122,82,.3)}
.fstatus.err{background:var(--err-soft);color:var(--err);border:1px solid rgba(180,35,24,.3)}
.fstatus a{text-decoration:underline;font-weight:500}
.form-note{font-size:12.5px;color:var(--muted-2);line-height:1.55}
.form-card{border:1px solid var(--line);border-radius:var(--radius);padding:clamp(26px,3.4vw,42px);background:var(--canvas)}

/* tabs (contact: buyer / supplier / general) */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}
.tab{font-family:var(--sans);font-size:14px;font-weight:500;padding:10px 18px;border-radius:100px;
  border:1px solid var(--line-strong);background:var(--canvas);color:var(--muted);cursor:pointer;transition:.2s}
.tab[aria-selected="true"]{background:var(--navy);color:var(--on-navy);border-color:var(--navy)}
.tabpanel[hidden]{display:none}

/* ---------- footer ---------- */
footer.foot{background:var(--navy);color:var(--on-navy)}
footer.foot .wrap{padding-block:clamp(54px,7vw,88px)}
.foot-top{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:clamp(28px,4vw,56px)}
@media(max-width:860px){.foot-top{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-top{grid-template-columns:1fr}}
.foot-brand .b2{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .b2 svg{width:24px;height:24px}
.foot-brand .b2 b{font-family:var(--serif);font-size:20px}
.foot-tag{font-size:14px;color:var(--on-navy-mute);max-width:34ch;line-height:1.55;margin-bottom:18px}
.foot-mail{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--on-navy);
  border-bottom:1px solid var(--accent);padding-bottom:3px;transition:.2s}
.foot-mail:hover{color:#6FD8E0;border-color:#6FD8E0}
.fcol h4{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:#5FD2DB;margin-bottom:15px}
.fcol a,.fcol span{display:block;font-size:14px;color:var(--on-navy-mute);margin-bottom:11px;transition:color .2s}
.fcol a:hover{color:var(--on-navy)}
.foot-fine{display:flex;flex-wrap:wrap;gap:8px 26px;margin-top:clamp(36px,5vw,60px);
  padding-top:22px;border-top:1px solid var(--line-navy)}
.foot-fine span{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:#6B7D8F}
.foot-disc{font-size:12px;color:#6B7D8F;line-height:1.6;max-width:90ch;margin-top:16px}

/* ---------- reveal (minimal) ---------- */
.rise{opacity:0;transform:translateY(16px)}
.rise.in{opacity:1;transform:none;transition:opacity .7s var(--ease),transform .8s var(--ease)}
@media(prefers-reduced-motion:reduce){
  .rise{opacity:1!important;transform:none!important}
  .btn,.path,.prod{transition:none}
  html{scroll-behavior:auto}
}

/* ---------- utilities ---------- */
.stack{display:flex;flex-direction:column}
.gap-s{gap:12px}.gap-m{gap:20px}.gap-l{gap:34px}
.mt-s{margin-top:16px}.mt-m{margin-top:28px}.mt-l{margin-top:44px}
.center{text-align:center}
.center .lede,.center .shead{margin-inline:auto}
.center .shead{justify-content:center}
.maxw-measure{max-width:72ch}
.page-hero{background:var(--navy);color:var(--on-navy)}
.page-hero .wrap{padding-block:clamp(72px,9vw,120px)}
.page-hero h1{margin:20px 0 20px}
.breadcrumb{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--on-navy-mute)}
.breadcrumb a:hover{color:var(--on-navy)}