/* ============================================================
   LEXTECH 2.0 — DESIGN SYSTEM
   Derived from index-wdai-D. Shared across all pages.
   ============================================================ */

:root{
  --lex-blue:#1b94de; --lex-blue-2:#62c6ff; --lex-blue-3:#0d5f9c;
  --ink:#05070b; --ink-2:#08101a; --ink-3:#0c1724;
  --paper:#f4f8fb; --muted:#9fb0bf; --muted-2:#c4ced8;
  --line:rgba(255,255,255,.14); --line-strong:rgba(255,255,255,.24);
  --glass:rgba(255,255,255,.065); --glass-strong:rgba(255,255,255,.105);
  --shadow:0 30px 90px rgba(0,0,0,.42);
  --max:1180px; --radius-xl:34px; --radius-lg:24px; --radius-md:16px;
  --ease:cubic-bezier(.19,1,.22,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ink)}
body{
  margin:0; color:var(--paper); overflow-x:clip;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:
    radial-gradient(circle at 18% 0%, rgba(27,148,222,.20), transparent 34rem),
    radial-gradient(circle at 90% 8%, rgba(98,198,255,.12), transparent 32rem),
    linear-gradient(180deg,#04060a 0%,#08101a 42%,#05070b 100%);
  background-attachment:fixed;
}

/* ---- layout ---- */
.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(20px,5vw,40px);position:relative}
.section{padding:clamp(56px,9vw,120px) 0;position:relative}
.section--tight{padding:clamp(40px,6vw,80px) 0}
/* soft radiant accents that fade to transparent (no hard seams) */
.glow{position:absolute;inset:0;pointer-events:none;z-index:0}
.glow--center{background:radial-gradient(120% 62% at 50% 50%,rgba(27,148,222,.13),transparent 66%)}
.glow--top{background:radial-gradient(120% 60% at 50% 0%,rgba(98,198,255,.12),transparent 62%)}
.section > .wrap{position:relative;z-index:1}

/* ---- typography ---- */
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;text-wrap:balance}
h1{font-size:clamp(34px,5.4vw,66px);line-height:1.04;font-weight:700;letter-spacing:-.03em}
h2{font-size:clamp(30px,4.2vw,52px);line-height:1.06;font-weight:650;letter-spacing:-.03em}
h3{font-size:clamp(18px,2vw,22px);line-height:1.2;font-weight:650}
p{margin:0;line-height:1.65}
.lead{font-size:clamp(17px,1.5vw,20px);line-height:1.6;color:var(--muted-2);max-width:60ch}
.muted{color:var(--muted)}
.blue-text{color:var(--lex-blue);font-weight:700}
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--lex-blue-2);
  font-size:11.5px;font-weight:800;letter-spacing:.22em;text-transform:uppercase;margin:0 0 16px}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--lex-blue-2);opacity:.8}
.section-head{max-width:820px;margin:0 auto clamp(34px,6vw,64px);text-align:center}
.section-head .eyebrow{justify-content:center}
.section-head .lead{margin:16px auto 0}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:999px;
  font-weight:700;font-size:15px;text-decoration:none;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease}
.btn--primary{color:#fff;background:linear-gradient(180deg,#1f9fe6,#1580c4);
  box-shadow:0 14px 34px -12px rgba(27,148,222,.8),inset 0 0 0 1px rgba(98,198,255,.35)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 20px 44px -12px rgba(27,148,222,.9),inset 0 0 0 1px rgba(98,198,255,.5)}
.btn--ghost{color:var(--paper);background:rgba(98,198,255,.06);border-color:rgba(98,198,255,.3)}
.btn--ghost:hover{background:rgba(98,198,255,.16);border-color:rgba(98,198,255,.55)}
.btn--primary::after{content:"\2192";font-weight:700}

/* ---- header / nav ---- */
.site-head{position:sticky;top:0;z-index:900;padding:16px 0;
  border-bottom:1px solid transparent;
  transition:background .35s ease,border-color .35s ease,backdrop-filter .35s ease}
.site-head.is-scrolled{background:rgba(5,7,11,.72);border-bottom-color:rgba(255,255,255,.1);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
.nav{max-width:var(--max);margin:0 auto;padding:0 clamp(20px,5vw,40px);
  display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;text-decoration:none}
.brand img{height:30px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:8px;color:rgba(244,248,251,.78);
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-weight:700}
.nav-links a{color:inherit;text-decoration:none;padding:10px 12px;border-radius:999px;
  transition:background .2s ease,color .2s ease;white-space:nowrap}
.nav-links a:hover{color:var(--paper);background:rgba(255,255,255,.08)}
.nav-item{position:relative;display:inline-flex;align-items:center}
.nav-item.has-menu > a::after{content:"\25BE";margin-left:6px;font-size:.72em;opacity:.7}
.nav-menu{position:absolute;top:100%;left:0;min-width:238px;margin-top:2px;padding:8px;
  background:rgba(8,16,26,.98);border:1px solid rgba(98,198,255,.18);border-radius:14px;
  box-shadow:0 24px 56px rgba(0,0,0,.55);display:flex;flex-direction:column;gap:2px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s,transform .2s,visibility .2s;text-transform:none;letter-spacing:0}
.nav-item.has-menu:hover .nav-menu,.nav-item.has-menu:focus-within .nav-menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav-menu a{padding:9px 12px;border-radius:9px;white-space:nowrap;font-size:14px}
.nav-menu a:hover{background:rgba(98,198,255,.12)}
.nav-cta{display:inline-flex;align-items:center;gap:10px;padding:11px 18px;border-radius:999px;
  color:var(--paper);background:rgba(27,148,222,.16);border:1px solid rgba(98,198,255,.32);
  box-shadow:inset 0 0 24px rgba(27,148,222,.12);text-transform:none;letter-spacing:0;font-size:13px}
.nav-cta::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--lex-blue-2);box-shadow:0 0 18px var(--lex-blue-2)}
/* hamburger + drawer */
.nav-burger{display:none;margin-left:auto;width:44px;height:44px;flex-direction:column;justify-content:center;gap:5px;background:none;border:none;cursor:pointer;padding:10px;z-index:1001}
.nav-burger span{display:block;height:2px;width:100%;background:var(--paper);border-radius:2px;transition:transform .3s ease,opacity .2s ease}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-scrim{position:fixed;inset:0;background:rgba(2,5,10,.6);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s;z-index:998}
.nav-scrim.open{opacity:1;visibility:visible}
.nav-drawer{position:fixed;top:0;right:0;height:100vh;height:100dvh;width:min(85vw,338px);background:#070d15;border-left:1px solid rgba(98,198,255,.14);transform:translateX(100%);transition:transform .34s cubic-bezier(.2,.85,.25,1);z-index:1000;padding:20px 22px 30px;overflow-y:auto;box-shadow:-30px 0 80px -40px rgba(0,0,0,.85)}
.nav-drawer.open{transform:none}
.nav-drawer-close{position:absolute;top:12px;right:14px;width:40px;height:40px;background:none;border:none;color:var(--paper);font-size:32px;line-height:1;cursor:pointer}
.nav-drawer-links{display:flex;flex-direction:column;margin-top:54px}
.nav-drawer-links a{text-decoration:none;color:#e7f1f9}
.ndl-parent{font-weight:700;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#7cd0ff;margin:20px 0 4px}
.ndl-sub{font-size:15px;padding:10px 0 10px 16px;color:#b9cbd9;border-left:1px solid rgba(98,198,255,.2);margin-left:2px}
.ndl-item{font-weight:600;font-size:16px;padding:14px 0;border-top:1px solid rgba(255,255,255,.07)}
.ndl-cta{margin-top:22px;text-align:center;font-weight:700;font-size:15px;background:linear-gradient(180deg,#1b94de,#1580c4);color:#fff !important;padding:14px;border-radius:12px}
body.nav-open{overflow:hidden}
@media (max-width:880px){
  .nav-links{display:none}
  .nav-burger{display:flex}
}

/* ---- cards ---- */
.card{background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(22px,3vw,32px);
  transition:border-color .25s ease,transform .25s ease,background .25s ease}
.card:hover{border-color:rgba(98,198,255,.38);transform:translateY(-4px);background:rgba(98,198,255,.05)}
.grid{display:grid;gap:clamp(14px,1.6vw,20px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:900px){.grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}}

/* ---- learn/article cards (homepage teaser + learn.html + blog "more posts") ---- */
.learn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:clamp(28px,4vw,48px)}
.learn-card{display:flex;flex-direction:column;gap:8px;padding:0 26px 26px;overflow:hidden;border-radius:20px;
  border:1px solid var(--line,rgba(255,255,255,.1));background:rgba(255,255,255,.03);color:var(--paper);
  text-decoration:none;transition:border-color .25s ease,transform .25s ease,background .25s ease}
.learn-card:hover{border-color:rgba(98,198,255,.4);transform:translateY(-4px);background:rgba(98,198,255,.06)}
.learn-card h3{font-size:18px;font-weight:700;margin:0;letter-spacing:-.01em;line-height:1.22}
.learn-card p{margin:0;color:rgba(244,248,251,.68);font-size:14px;line-height:1.5;flex:1}
.learn-more{color:var(--lex-blue-2);font-size:13px;font-weight:650;margin-top:6px}
.learn-viewall{text-align:center;margin-top:clamp(28px,4vw,44px)}
.learn-viewall a{display:inline-flex;padding:12px 28px;border-radius:999px;border:1px solid rgba(98,198,255,.4);
  color:var(--paper);font-weight:650;font-size:15px;text-decoration:none;transition:background .2s ease}
.learn-viewall a:hover{background:rgba(98,198,255,.1)}
.learn-thumb{margin:0 -26px 12px;aspect-ratio:16/9;overflow:hidden}
.learn-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
.learn-card:hover .learn-thumb img{transform:scale(1.05)}
@media (max-width:900px){.learn-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.learn-grid{grid-template-columns:1fr}}

/* icon tile */
.oa-icon{width:clamp(58px,7vw,72px);aspect-ratio:1;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 50% 34%,rgba(98,198,252,.16),rgba(27,148,222,.05) 62%,transparent 78%);
  border:1px solid rgba(98,198,255,.22);box-shadow:inset 0 0 26px rgba(98,198,255,.08);flex:none}
.oa-icon svg{width:56%;height:56%;color:var(--lex-blue-2);stroke:var(--lex-blue-2);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.svc-card{display:flex;flex-direction:column;gap:16px;text-decoration:none;color:var(--paper)}
.svc-card h3{color:var(--paper)}
.svc-card p{color:var(--muted-2);font-size:15px}

/* ---- reveal on scroll ---- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---- footer ---- */
.site-footer{padding:clamp(48px,7vw,88px) 0 40px;border-top:1px solid var(--line);margin-top:clamp(40px,7vw,90px);position:relative}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:clamp(24px,4vw,56px)}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.6;margin:14px 0 16px;max-width:34ch}
.footer-logo{height:30px;width:auto}
.footer-social{display:flex;gap:16px}
.footer-social a,.footer-col a{color:var(--muted-2);text-decoration:none;font-size:14px;transition:color .2s}
.footer-social a:hover,.footer-col a:hover{color:var(--lex-blue-2)}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-col h4{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:4px;font-weight:800}
.footer-addr{color:var(--muted);font-size:13px;line-height:1.5}
.footer-bottom{margin-top:clamp(34px,5vw,56px);padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
@media (max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}

/* ---- cookie consent banner ---- */
.cookie-banner{position:fixed;left:0;right:0;bottom:0;z-index:1200;background:var(--ink);
  box-shadow:0 -8px 32px rgba(0,0,0,.35);transform:translateY(100%);transition:transform .4s var(--ease);
  padding:16px clamp(20px,5vw,40px)}
.cookie-banner.is-visible{transform:translateY(0)}
.cookie-banner-inner{max-width:var(--max);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cookie-banner-text{max-width:640px}
.cookie-banner-title{margin:0 0 8px;color:var(--paper);font-size:14px;font-weight:700}
.cookie-banner-inner p{margin:0;color:var(--muted-2);font-size:14px;line-height:1.5;font-weight:400}
.cookie-banner-inner a{color:var(--paper);text-decoration:underline}
.cookie-banner-actions{display:flex;gap:10px;flex-wrap:wrap;flex:none}
.cookie-banner-actions .btn{padding:10px 18px;font-size:13px}
@media (max-width:640px){
  .cookie-banner-inner{flex-direction:column;align-items:stretch}
  .cookie-banner-actions{justify-content:stretch}
  .cookie-banner-actions .btn{flex:1;justify-content:center}
}

/* ---- page hero (shared across pg-hero pages; each page keeps its own .pg-hero{padding:...} override) ---- */
.pg-hero{text-align:center;position:relative;overflow:hidden}
.pg-hero-grid{position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(105,196,252,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(105,196,252,.05) 1px,transparent 1px);
  background-size:58px 58px;-webkit-mask-image:radial-gradient(120% 80% at 50% 0%,#000 30%,transparent 78%);mask-image:radial-gradient(120% 80% at 50% 0%,#000 30%,transparent 78%);opacity:.7}
.pg-hero .wrap{position:relative;z-index:1}
.pg-hero .glow{background:radial-gradient(90% 70% at 50% -6%,rgba(27,148,222,.28),transparent 60%)}
.pg-hero .btn-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.pg-hero .hero-motif svg{width:100%;height:auto;display:block}
@media(max-width:980px){.pg-hero .hero-motif{display:none}}
.impact-word{color:var(--lex-blue-2)}