/* ============================================================
   Tenacious Solutions — redesign 2026
   Type: Open Sans (display) / Instrument Sans (body) / Space Mono (labels)
   ============================================================ */

:root{
  --ink:#0d1b2a;
  --ink-2:#16283d;
  --slate:#47586e;
  --mist:#8fa0b5;
  --paper:#f4f6f9;
  --white:#ffffff;
  --red:#d3222a;
  --red-deep:#a3121a;
  --line:rgba(13,27,42,.10);

  --glass-bg:rgba(255,255,255,.58);
  --glass-brd:rgba(255,255,255,.72);
  --glass-shadow:0 18px 40px -18px rgba(13,27,42,.22);

  --font-display:"Open Sans",system-ui,sans-serif;
  --font-body:"Instrument Sans",system-ui,sans-serif;
  --font-mono:"Space Mono",ui-monospace,monospace;

  --wrap:1120px;
  --r-lg:22px;
  --r-md:14px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  font-size:17px;line-height:1.65;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}

/* ---------- ambient background ---------- */
.bg-field{
  position:fixed;inset:0;z-index:-1;overflow:hidden;
  background:
    radial-gradient(52rem 34rem at 84% -6%, rgba(211,34,42,.07), transparent 60%),
    radial-gradient(60rem 40rem at -10% 12%, rgba(71,88,110,.14), transparent 62%),
    radial-gradient(44rem 30rem at 60% 110%, rgba(13,27,42,.10), transparent 65%),
    var(--paper);
}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.12;letter-spacing:-.015em;color:var(--ink)}
h1{font-size:clamp(2.4rem,5.4vw,4rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:800}
h3{font-size:1.28rem;font-weight:700}
p{color:var(--slate)}
a{color:inherit}
strong{color:var(--ink)}

.eyebrow{
  display:flex;align-items:center;gap:.65rem;
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--red);font-weight:700;
  margin-bottom:1rem;
}
.eyebrow::before{content:"";width:26px;height:4px;background:var(--red);flex:none}

.mono{font-family:var(--font-mono)}
.lead{font-size:1.16rem;color:var(--slate);max-width:46rem}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
section{padding:5.5rem 0}
section.tight{padding:3.5rem 0}

/* ---------- liquid glass ---------- */
.glass{
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(18px) saturate(1.35);
  backdrop-filter:blur(18px) saturate(1.35);
  border:1px solid var(--glass-brd);
  box-shadow:var(--glass-shadow), inset 0 1px 0 rgba(255,255,255,.85);
  border-radius:var(--r-lg);
}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:14px;z-index:50;
  margin:14px auto 0;max-width:calc(var(--wrap) + 8px);
  padding:0 16px;
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:.7rem 1.15rem;border-radius:999px;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(20px) saturate(1.4);
  backdrop-filter:blur(20px) saturate(1.4);
  border:1px solid rgba(255,255,255,.75);
  box-shadow:0 10px 30px -14px rgba(13,27,42,.28), inset 0 1px 0 rgba(255,255,255,.9);
}
.nav-logo img{height:68px;width:auto;display:block;mix-blend-mode:multiply}
.nav-links{display:flex;align-items:center;gap:1.6rem;list-style:none}
.nav-links a{
  text-decoration:none;font-weight:600;font-size:.94rem;color:var(--ink-2);
  transition:color .18s;
}
.nav-links a:hover{color:var(--red)}
.nav-links a.is-active{color:var(--red)}
.nav-cta{
  font-family:var(--font-mono);font-size:.8rem;letter-spacing:.06em;
  background:var(--ink);color:#fff !important;padding:.55rem 1.1rem;border-radius:999px;
  transition:background .18s;
}
.nav-cta:hover{background:var(--red)}

/* services dropdown */
.has-menu{position:relative}
.has-menu > a::after{content:" ▾";font-size:.7em}
.menu{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translate(-50%,6px);
  min-width:290px;padding:.5rem;list-style:none;
  opacity:0;pointer-events:none;transition:opacity .18s,transform .18s;
  background:rgba(255,255,255,.85);
  -webkit-backdrop-filter:blur(20px) saturate(1.4);
  backdrop-filter:blur(20px) saturate(1.4);
  border:1px solid rgba(255,255,255,.8);border-radius:16px;
  box-shadow:0 20px 40px -18px rgba(13,27,42,.3);
}
.has-menu:hover .menu,.has-menu:focus-within .menu{opacity:1;pointer-events:auto;transform:translate(-50%,0)}
.menu a{display:block;padding:.55rem .8rem;border-radius:10px;font-size:.92rem;text-decoration:none;white-space:nowrap}
.menu a:hover{background:rgba(211,34,42,.08);color:var(--red)}

/* mobile nav */
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:.4rem}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;text-decoration:none;font-weight:700;font-size:.98rem;
  padding:.85rem 1.7rem;border-radius:999px;transition:transform .18s, box-shadow .18s, background .18s;
}
.btn-red{background:var(--red);color:#fff;box-shadow:0 12px 24px -10px rgba(211,34,42,.55)}
.btn-red:hover{background:var(--red-deep);transform:translateY(-2px)}
.btn-ghost{
  background:rgba(255,255,255,.55);border:1px solid rgba(13,27,42,.14);color:var(--ink);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:var(--red);color:var(--red);transform:translateY(-2px)}

/* ---------- hero ---------- */
.hero{padding:5.5rem 0 4.5rem}
.hero .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:3rem;align-items:center}
.hero h1 span{color:var(--red)}
.hero .lead{margin:1.4rem 0 2rem}
.hero-actions{display:flex;gap:.9rem;flex-wrap:wrap}
.hero-panel{padding:1.8rem}
.hero-panel .mono-label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mist);margin-bottom:1.1rem}
.promise-list{list-style:none;display:grid;gap:.75rem}
.promise-list li{
  display:flex;align-items:center;gap:.8rem;font-weight:600;color:var(--ink-2);
}
.promise-list li::before{content:"";width:18px;height:5px;background:var(--red);border-radius:2px;flex:none}

/* page hero (interior) */
.page-hero{padding:4.5rem 0 3rem}
.page-hero .lead{margin-top:1rem}

/* ---------- cards ---------- */
.grid{display:grid;gap:1.4rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}

.card{
  padding:1.7rem;border-radius:var(--r-lg);
  background:rgba(255,255,255,.6);
  -webkit-backdrop-filter:blur(14px) saturate(1.3);
  backdrop-filter:blur(14px) saturate(1.3);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:0 14px 32px -18px rgba(13,27,42,.2), inset 0 1px 0 rgba(255,255,255,.85);
  transition:transform .2s, box-shadow .2s;
}
a.card{display:block;text-decoration:none}
a.card:hover{transform:translateY(-4px);box-shadow:0 22px 44px -18px rgba(13,27,42,.3), inset 0 1px 0 rgba(255,255,255,.9)}
.card h3{margin-bottom:.5rem}
.card p{font-size:.98rem}
.card .go{
  display:inline-block;margin-top:1rem;font-family:var(--font-mono);font-size:.78rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--red);font-weight:700;
}
a.card:hover .go{text-decoration:underline}

.card .spec{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--mist);margin-bottom:.7rem;
}

/* ---------- customer marks ---------- */
.customers{
  list-style:none;display:flex;flex-wrap:wrap;
  justify-content:center;align-items:center;
  gap:2.2rem 2.6rem;margin-top:2.4rem;
}
.customers li{
  flex:0 0 168px;
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:.9rem;
}
.customers img{
  width:100%;max-width:168px;height:auto;display:block;
  filter:drop-shadow(0 10px 22px rgba(13,27,42,.14));
}
.customers span{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--slate);line-height:1.5;
  max-width:15rem;
}

/* checklist / bullet content */
.list{list-style:none;display:grid;gap:.65rem}
.list li{position:relative;padding-left:1.7rem;color:var(--slate)}
.list li::before{
  content:"";position:absolute;left:0;top:.62em;width:14px;height:4px;background:var(--red);border-radius:2px;
}
.list li strong{color:var(--ink)}

/* figures */
/* diagram sections: copy stays a comfortable measure, figure runs wide */
.copy-col{max-width:66ch}
.diagram-figure{margin:2.2rem auto 0;max-width:980px}

.figure{padding:1.2rem;border-radius:var(--r-lg)}
.figure img{width:100%;height:auto;display:block;border-radius:10px}
.figure figcaption{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mist);margin-top:.8rem;text-align:center}

/* split section */
.split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}

/* stat chips */
.chips{display:flex;gap:.9rem;flex-wrap:wrap}
.chip{
  padding:.9rem 1.3rem;border-radius:var(--r-md);text-align:center;
  background:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.7);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.85), 0 10px 20px -14px rgba(13,27,42,.25);
}
.chip .mono{display:block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--red);font-weight:700}
.chip b{font-family:var(--font-display);font-size:1.05rem}

/* ---------- cta band ---------- */
.cta-band{padding:0 0 5.5rem}
.cta-inner{
  padding:3.2rem;text-align:center;border-radius:26px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--ink) 0%, var(--ink-2) 70%);
  color:#fff;box-shadow:0 30px 60px -26px rgba(13,27,42,.55);
}
.cta-inner::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(30rem 16rem at 85% 0%, rgba(211,34,42,.4), transparent 60%),
    radial-gradient(24rem 14rem at 0% 100%, rgba(255,255,255,.10), transparent 60%);
}
.cta-inner > *{position:relative}
.cta-inner h2{color:#fff;margin-bottom:.8rem}
.cta-inner p{color:rgba(255,255,255,.78);max-width:40rem;margin:0 auto 1.8rem}

/* ---------- footer ---------- */
footer{
  background:var(--ink);color:rgba(255,255,255,.75);
  padding:4rem 0 2.2rem;margin-top:2rem;
}
footer .wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:2.5rem}
footer h4{color:#fff;font-size:.95rem;margin-bottom:1rem}
footer .mono-label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.45);margin-bottom:1rem}
footer ul{list-style:none;display:grid;gap:.55rem}
footer a{color:rgba(255,255,255,.75);text-decoration:none;transition:color .18s}
footer a:hover{color:#fff}
footer .promise-list li{color:rgba(255,255,255,.85);font-weight:500}
footer .legal{
  grid-column:1/-1;margin-top:2.5rem;padding-top:1.4rem;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:.85rem;color:rgba(255,255,255,.5);
}
footer .specs{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.08em;color:rgba(255,255,255,.5);display:grid;gap:.4rem;margin-top:1rem}

/* ---------- contact form ---------- */
.form-panel{padding:2.2rem}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.field{grid-column:span 2;display:grid;gap:.4rem}
.field.half{grid-column:span 1}
.field label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);font-weight:700}
.field input,.field textarea{
  font-family:var(--font-body);font-size:1rem;color:var(--ink);
  padding:.8rem 1rem;border-radius:12px;border:1px solid rgba(13,27,42,.15);
  background:rgba(255,255,255,.75);outline:none;transition:border-color .15s, box-shadow .15s;
}
.field input:focus,.field textarea:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(211,34,42,.14)}
.consent{grid-column:span 2;display:flex;gap:.6rem;align-items:flex-start;font-size:.9rem;color:var(--slate)}
.consent input{margin-top:.3rem;accent-color:var(--red)}

/* ---------- slide-in animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.65,.25,1), transform .7s cubic-bezier(.2,.65,.25,1)}
.reveal.from-left{transform:translateX(-30px)}
.reveal.from-right{transform:translateX(30px)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}.reveal.d5{transition-delay:.4s}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{transition:none !important}
}

/* ---------- responsive ---------- */
/* below this the five marks no longer fit on one line; go 3 + 2 rather
   than orphaning a single mark on its own row */
@media (max-width:1080px){
  .customers{gap:2rem 2.4rem}
  .customers li{flex:0 0 calc(33.333% - 1.6rem)}
}

@media (max-width:920px){
  .hero .wrap,.split{grid-template-columns:1fr;gap:2rem}
  .grid-3{grid-template-columns:1fr 1fr}
  footer .wrap{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  section{padding:3.5rem 0}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .customers{gap:1.8rem 2rem}
  .customers li{flex:0 0 calc(50% - 1rem)}
  footer .wrap{grid-template-columns:1fr}
  .form-grid .field.half{grid-column:span 2}
  .nav-toggle{display:block}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:.2rem;padding:.8rem;
    background:rgba(255,255,255,.92);
    -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
    border:1px solid rgba(255,255,255,.8);border-radius:18px;
    box-shadow:0 20px 40px -18px rgba(13,27,42,.3);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:.6rem .8rem;border-radius:10px}
  .menu{position:static;transform:none;opacity:1;pointer-events:auto;box-shadow:none;border:0;background:transparent;padding:0 0 0 1rem;-webkit-backdrop-filter:none;backdrop-filter:none}
  .menu a{white-space:normal}
  .has-menu > a::after{content:""}
  .cta-inner{padding:2.2rem 1.4rem}
}

/* focus visibility */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(211,34,42,.5);outline-offset:2px;border-radius:6px;
}