/* ============================================================
   Mercier Solutions — design system (v3, "technical blueprint")
   Paper + ink · accent #3D5BE0 · Space Grotesk / IBM Plex
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --paper:#F4F3EF; --paper-2:#ECEAE3; --paper-3:#FBFAF7;
  --ink:#14181F; --fg:#14181F; --fg-on-ink:#F4F3EF;
  --muted:#5A626E; --muted-2:#8A93A0; --faint:#9AA0AA;
  --line:rgba(20,24,31,0.12); --line-2:rgba(20,24,31,0.16); --line-3:rgba(20,24,31,0.10);
  --hair:rgba(255,255,255,0.16); --hair-2:rgba(255,255,255,0.10); --hair-grid:rgba(255,255,255,0.06);
  --accent:#3D5BE0; --accent-d:#2A45C0;
  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:'IBM Plex Sans',system-ui,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,monospace;
  /* back-compat aliases (older inline var() references) */
  --white:#F4F3EF; --blue:#3D5BE0; --blue-lt:#3D5BE0; --cyan:#3D5BE0;
  --gray:#5A626E; --bg-card:#FBFAF7; --border:var(--line); --r:2px; --r-lg:2px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;font-family:var(--font-body);background:var(--paper);color:var(--fg);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.5}
::selection{background:var(--accent);color:#fff}
a{color:inherit}
img{max-width:100%}

.container{max-width:1240px;margin:0 auto;padding:0 clamp(20px,5vw,72px)}

/* grid-line background helpers */
.gridlines{background-image:linear-gradient(var(--hair-grid) 1px,transparent 1px),linear-gradient(90deg,var(--hair-grid) 1px,transparent 1px);background-size:54px 54px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-body);font-weight:600;
  font-size:15px;text-decoration:none;padding:15px 26px;border-radius:2px;border:1px solid transparent;
  cursor:pointer;transition:background .2s,border-color .2s,color .2s;line-height:1}
.btn svg{width:15px;height:15px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-d)}
.btn-ghost{background:transparent;border-color:var(--hair);color:var(--fg-on-ink)}
.btn-ghost:hover{border-color:var(--fg-on-ink)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000}
.btn-lg{font-size:16px;padding:17px 32px}
.btn-block{width:100%;justify-content:center}

/* ---------- mono eyebrow label ---------- */
.eyebrow,.sec-eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;color:var(--accent);
  text-transform:uppercase;margin:0 0 18px;display:block}
.eyebrow.num::before{content:"// "}
.sec-eyebrow::before{content:"// "}   /* solutions page header eyebrow */

/* ---------- headings ---------- */
.h-display{font-family:var(--font-display);font-weight:600;letter-spacing:-.03em;line-height:1.02;margin:0}
.sec-title{font-family:var(--font-display);font-weight:600;font-size:clamp(30px,4vw,52px);
  line-height:1.03;letter-spacing:-.025em;margin:0 0 20px}
.sec-sub{font-size:18px;line-height:1.6;color:var(--muted);margin:0;max-width:680px}
.accent{color:var(--accent)}

/* ============================================================ NAV */
.nav{position:sticky;top:0;z-index:50;background:rgba(244,243,239,0.82);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line-3)}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;text-decoration:none;color:var(--fg)}
.logo img{display:none}                     /* wordmark only */
.logo-name{display:flex;flex-direction:column;line-height:1}
.logo-name .top{font-family:var(--font-display);font-weight:600;font-size:25px;letter-spacing:-.015em}
.logo-name .top::after{content:".";color:var(--accent)}
.logo-name .btm{font-family:var(--font-mono);font-size:10px;letter-spacing:.34em;color:var(--muted);
  margin-top:5px;text-transform:uppercase;padding-left:3px}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none;margin:0;padding:0}
.nav-links a{font-size:14px;font-weight:500;color:var(--muted);text-decoration:none;transition:color .15s}
.nav-links a:hover,.nav-links a.active{color:var(--fg)}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--ink)!important;color:#fff!important;
  font-weight:600;padding:11px 18px;border-radius:2px}
.nav-cta::after{content:"→";color:var(--accent)}
.nav-cta:hover{background:#000!important}
/* language switch */
.lang-switch{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-mono);font-size:12px;border:0;background:none;padding:0}
.lang-btn{background:none;border:0;font-family:var(--font-mono);font-size:12px;font-weight:500;
  color:rgba(20,24,31,0.45);cursor:pointer;padding:0}
.lang-btn:hover{color:var(--fg)}
.lang-btn.active{color:var(--fg);font-weight:600}
.lang-switch::before{content:none}
.lang-switch{position:relative}
.lang-btn + .lang-btn{margin-left:9px;padding-left:11px;border-left:1px solid rgba(20,24,31,0.25)}
/* hamburger (mobile only) */
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;background:none;border:0;cursor:pointer;padding:9px;margin-right:-9px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);transition:transform .2s,opacity .2s}
.nav-inner.open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-inner.open .nav-toggle span:nth-child(2){opacity:0}
.nav-inner.open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============================================================ HERO (home) */
.hero{background:var(--ink);color:var(--fg-on-ink);
  background-image:linear-gradient(var(--hair-grid) 1px,transparent 1px),linear-gradient(90deg,var(--hair-grid) 1px,transparent 1px);
  background-size:54px 54px}
.hero-inner{padding:clamp(56px,8vw,104px) 0 0}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(32px,5vw,72px);align-items:center;min-height:min(72vh,640px)}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--hair);padding:7px 13px;border-radius:2px;margin-bottom:30px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--fg-on-ink)}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:msPulse 2.4s ease-in-out infinite}
.hero h1{font-family:var(--font-display);font-weight:600;font-size:clamp(42px,6.4vw,82px);line-height:.98;letter-spacing:-.035em;margin:0 0 26px}
.hero p{max-width:500px;font-size:18px;line-height:1.62;color:var(--muted-2);margin:0 0 38px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.schematic{position:relative}
.schematic .tag{position:absolute;top:-8px;left:0;font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;color:var(--muted-2)}
@keyframes msPulse{0%,100%{opacity:.35}50%{opacity:1}}

/* stats strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--hair);margin-top:clamp(40px,5vw,64px)}
.stats .stat{padding:30px 26px 34px;border-right:1px solid var(--hair)}
.stats .stat:first-child{padding-left:0}
.stats .stat:last-child{border-right:0;padding-right:0}
.stat-num{font-family:var(--font-display);font-weight:600;font-size:clamp(34px,4vw,46px);line-height:1;letter-spacing:-.02em;color:var(--fg-on-ink)}
.stat-num span{color:var(--accent)}
.stat-lbl{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);margin-top:10px}
.hero-spacer{height:clamp(40px,5vw,64px)}

/* ============================================================ SECTIONS */
.sec{padding:clamp(76px,9vw,128px) 0}
.sec--paper2{background:var(--paper-2);border-top:1px solid var(--line-3);border-bottom:1px solid var(--line-3)}
.sec-head{max-width:680px;margin-bottom:54px}
.sec-head.wide{max-width:720px}

/* feature grid (services) */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.feature{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:32px 28px;background:var(--paper);transition:background .2s}
.feature:hover{background:var(--paper-2)}
.feature-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:48px}
.feature-idx{font-family:var(--font-mono);font-size:12px;color:var(--muted)}
.feature h3{font-family:var(--font-display);font-weight:600;font-size:21px;letter-spacing:-.01em;margin:0 0 12px}
.feature p{font-size:14.5px;line-height:1.6;color:var(--muted);margin:0}

/* process sequence */
.proc-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line-2)}
.proc-step{padding:28px 26px 30px;border-right:1px solid var(--line)}
.proc-step:first-child{padding-left:0}
.proc-step:last-child{border-right:0;padding-right:0}
.proc-step.deliver{box-shadow:inset 0 3px 0 var(--accent)}
.proc-num{font-family:var(--font-display);font-weight:600;font-size:30px;color:rgba(20,24,31,0.30);margin-bottom:18px}
.proc-step.deliver .proc-num{color:var(--accent)}
.proc-step h3{font-family:var(--font-display);font-weight:600;font-size:19px;margin:0 0 10px}
.proc-step p{font-size:14.5px;line-height:1.6;color:var(--muted);margin:0}
.proc-note{display:inline-flex;align-items:center;gap:12px;margin-top:30px;font-family:var(--font-mono);font-size:13px;color:var(--fg)}
.proc-note::before{content:"";display:inline-block;width:28px;height:1px;background:var(--accent)}

/* why grid */
.why-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.why-item{padding:34px 40px 38px;border-bottom:1px solid var(--line)}
.why-item:nth-child(odd){border-right:1px solid var(--line);padding-left:0}
.why-item:nth-child(even){padding-right:0}
.why-row{display:flex;gap:18px}
.why-num{font-family:var(--font-mono);font-size:13px;color:var(--accent);padding-top:3px}
.why-item h3{font-family:var(--font-display);font-weight:600;font-size:20px;margin:0 0 10px}
.why-item p{font-size:15px;line-height:1.6;color:var(--muted);margin:0}

/* data sovereignty */
.ds-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,5vw,72px);align-items:center}
.ds-tag{display:flex;align-items:center;gap:12px;font-family:var(--font-mono);font-size:13px;color:var(--fg);margin-top:24px}
.ds-tag::before{content:"";width:7px;height:7px;background:var(--accent)}
.ds-fig{border:1px solid var(--line-2);background:var(--paper);padding:clamp(22px,3vw,38px)}
.ds-fig svg{display:block;width:100%;height:auto}

/* ============================================================ CTA band */
.cta-band{background:var(--ink);color:var(--fg-on-ink);text-align:center;
  background-image:linear-gradient(rgba(255,255,255,0.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.04) 1px,transparent 1px);
  background-size:54px 54px}
.cta-band .container{padding-top:clamp(70px,9vw,120px);padding-bottom:clamp(70px,9vw,120px)}
.cta-kicker{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin-bottom:24px}
.cta-kicker::before{content:"";width:7px;height:7px;background:var(--accent)}
.cta-band h2{font-family:var(--font-display);font-weight:600;font-size:clamp(34px,5vw,68px);line-height:1;letter-spacing:-.03em;margin:0 auto 22px;max-width:880px}
.cta-band p{font-size:18px;line-height:1.6;color:var(--muted-2);max-width:560px;margin:0 auto 38px}

/* ============================================================ PAGE HEADER (solutions/contact) */
.page-header{background:var(--ink);color:var(--fg-on-ink);
  background-image:linear-gradient(rgba(255,255,255,0.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.05) 1px,transparent 1px);
  background-size:54px 54px}
.page-header .container{padding-top:clamp(40px,6vw,72px);padding-bottom:clamp(40px,6vw,60px)}
.breadcrumb{display:flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;color:var(--muted-2);margin-bottom:30px}
.breadcrumb a{color:var(--muted-2);text-decoration:none}
.breadcrumb a:hover{color:var(--fg-on-ink)}
.page-header h1{font-family:var(--font-display);font-weight:600;font-size:clamp(36px,5vw,64px);line-height:1;letter-spacing:-.03em;margin:0 0 22px;max-width:780px}
.page-header > .container > p{max-width:600px;font-size:18px;line-height:1.6;color:var(--muted-2);margin:0 0 36px}

/* filters */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px}
.filter-btn{font-family:var(--font-body);font-size:13.5px;font-weight:600;padding:10px 16px;border-radius:2px;
  cursor:pointer;border:1px solid var(--hair);background:transparent;color:#C9CDD4;transition:background .15s,color .15s,border-color .15s}
.filter-btn:hover{border-color:var(--fg-on-ink);color:var(--fg-on-ink)}
.filter-btn.active{background:var(--accent);border-color:transparent;color:#fff}

/* ============================================================ SOLUTIONS GRID */
.solutions-section{padding:clamp(40px,6vw,64px) 0 clamp(76px,9vw,120px)}
.sol-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:28px;
  font-family:var(--font-mono);font-size:12px;color:var(--muted)}
.sol-meta .custom{display:flex;align-items:center;gap:8px}
.sol-meta .custom::before{content:"";width:7px;height:7px;background:var(--accent)}
.solutions-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.sol-card{border:1px solid var(--line-2);background:var(--paper);display:flex;flex-direction:column;transition:border-color .2s}
.sol-card:hover{border-color:rgba(20,24,31,0.40)}
.sol-img{aspect-ratio:16/10;width:100%;overflow:hidden;display:flex;align-items:center;justify-content:center;
  background:var(--ink)!important;
  background-image:linear-gradient(rgba(255,255,255,0.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.05) 1px,transparent 1px)!important;
  background-size:26px 26px!important}
.sol-img svg{width:100%;height:100%;display:block}
.sol-body{padding:22px 24px 26px;border-top:1px solid var(--line-2)}
.sol-tag{display:inline-flex;align-items:center;gap:7px;font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.sol-tag::before{content:"";width:6px;height:6px;background:var(--accent)}
.sol-body h3{font-family:var(--font-display);font-weight:600;font-size:19px;letter-spacing:-.01em;margin:0 0 11px}
.sol-body p{font-size:14.5px;line-height:1.6;color:var(--muted);margin:0}

/* ============================================================ CONTACT */
.contact-section{padding:clamp(56px,7vw,96px) 0 clamp(76px,9vw,120px)}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,5vw,64px);align-items:start}
.contact-info h2{font-family:var(--font-display);font-weight:600;font-size:clamp(24px,2.8vw,34px);line-height:1.08;letter-spacing:-.02em;margin:0 0 16px}
.contact-info > p{font-size:16px;line-height:1.62;color:var(--muted);margin:0 0 36px}
.channels{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.channel{display:flex;gap:16px;align-items:flex-start;padding:22px 0;border-bottom:1px solid var(--line)}
.channel svg{width:22px;height:22px;color:var(--accent);flex-shrink:0;stroke:var(--accent)}
.channel .lbl{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.channel a,.channel p{font-size:15px;line-height:1.55;color:var(--fg);margin:0;text-decoration:none}
.channel a{font-weight:500}
.next-box{margin-top:36px;background:var(--ink);color:var(--fg-on-ink);padding:30px;
  background-image:linear-gradient(rgba(255,255,255,0.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.04) 1px,transparent 1px);background-size:30px 30px}
.next-box .eyebrow{margin-bottom:22px}
.next-list{display:flex;flex-direction:column;gap:20px}
.next-step{display:flex;gap:16px;align-items:flex-start}
.next-step span{font-family:var(--font-display);font-weight:600;font-size:15px;color:var(--accent);min-width:22px}
.next-step p{font-size:14.5px;line-height:1.55;color:#C9CDD4;margin:0}

.form-card{border:1px solid var(--line-2);background:var(--paper-3);padding:clamp(26px,3.4vw,44px)}
.form-card h3{font-family:var(--font-display);font-weight:600;font-size:22px;letter-spacing:-.01em;margin:0 0 24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.form-group label .req{color:var(--accent)}
.form-group input,.form-group select,.form-group textarea{width:100%;font-family:var(--font-body);font-size:15px;color:var(--fg);
  background:#fff;border:1px solid var(--line-2);border-radius:2px;padding:12px 14px}
.form-group textarea{line-height:1.5;resize:vertical;min-height:120px}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--faint)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent)}
.form-note{font-size:12.5px;line-height:1.5;color:var(--faint);margin:16px 0 0;text-align:center}
#formError{background:rgba(216,49,49,0.07);border:1px solid rgba(216,49,49,0.30);border-radius:2px;
  padding:11px 14px;font-size:13px;color:#C0322B;margin-bottom:16px}
.form-success{text-align:center;padding:48px 12px}
.form-success-icon{width:56px;height:56px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;margin:0 auto 22px}
.form-success-icon svg{width:26px;height:26px;color:#fff;stroke:#fff}
.form-success h4{font-family:var(--font-display);font-weight:600;font-size:24px;letter-spacing:-.01em;margin:0 0 12px}
.form-success p{font-size:15.5px;line-height:1.6;color:var(--muted);margin:0 auto;max-width:340px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============================================================ FOOTER */
footer{background:var(--ink);color:var(--fg-on-ink);padding:clamp(56px,7vw,84px) 0 36px;border-top:1px solid var(--hair-2)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,0.12)}
.footer-logo{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-logo img{display:none}
.footer-logo span{font-family:var(--font-display);font-weight:600;font-size:16px}
.footer-slogan{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 14px}
.footer-tagline{font-size:14.5px;line-height:1.6;color:var(--muted-2);margin:0 0 18px;max-width:360px}
.footer-email{display:inline-block;font-family:var(--font-mono);font-size:13px;color:var(--fg-on-ink);text-decoration:none;border-bottom:1px solid var(--accent);padding-bottom:2px}
.footer-email svg{display:none}
.footer-cred{font-size:12.5px;line-height:1.6;color:var(--muted);margin:20px 0 0;display:flex;align-items:center;gap:8px}
.footer-cred svg{width:13px;height:13px;color:var(--accent);stroke:var(--accent);flex-shrink:0}
.footer-col h4{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:0 0 18px;font-weight:500}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14.5px;color:#C9CDD4;text-decoration:none}
.footer-col a:hover{color:var(--fg-on-ink)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-family:var(--font-mono);font-size:12px;color:var(--muted)}

/* ============================================================ RESPONSIVE */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .schematic{max-width:480px}
  .ds-grid{grid-template-columns:1fr;gap:40px}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .proc-grid{grid-template-columns:repeat(2,1fr)}
  .proc-step{border-bottom:1px solid var(--line)}
  .solutions-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);border-bottom:1px solid var(--line-3);box-shadow:0 14px 26px rgba(20,24,31,.08);padding:6px 0;display:none}
  .nav-inner.open .nav-links{display:flex}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:13px clamp(20px,5vw,72px)}
  .nav-cta{background:transparent!important;color:var(--ink)!important}
  .nav-cta::after{content:""}
  .lang-switch{padding:11px clamp(20px,5vw,72px)}
  .nav-hide{display:block}
}
@media (max-width:680px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats .stat{border-bottom:1px solid var(--hair)}
  .stats .stat:nth-child(odd){padding-left:0}
  .why-grid{grid-template-columns:1fr}
  .why-item:nth-child(odd){padding-right:0}
  .feature-grid{grid-template-columns:1fr}
  .proc-grid{grid-template-columns:1fr}
  .solutions-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}