/* Interro Technologies — site styles
   Theme + palette referenced from invecto.com:
   brand blue #009be6, deep navy #004097 / #041930, cool off-whites,
   Geist headings + Switzer body. */
:root{
  --ink:#0b1420;
  --ink-soft:#3f4a5a;
  --muted:#8590a1;
  --line:#e3e8ef;
  --bg:#ffffff;
  --bg-warm:#f8fafc;
  --bg-dark:#041930;
  --accent:#009be6;
  --accent-dark:#004097;
  --accent-soft:#e0f2fc;
  --brand-blue:#026dd8;   /* exact blue sampled from the interro logo */
  --brand-navy:#004097;
  --grad:linear-gradient(266deg,#009be6 0%,#447cfc 100%);
  --radius:20px;
  --wrap:1180px;
  --font-head:"Geist","Space Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-body:"Switzer","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-logo:"Questrial","Century Gothic",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);
  background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:600;line-height:1.2;color:var(--ink);margin:0 0 .5em}
h1{font-size:clamp(2rem,4.4vw,3.15rem);letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3vw,2.15rem);letter-spacing:-.01em}
h3{font-size:1.2rem}
p{margin:0 0 1rem}
a{color:var(--accent-dark);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section--warm{background:var(--bg-warm)}
.section--dark{background:var(--bg-dark);color:#a7b6c8}
.section--dark h2,.section--dark h3{color:#fff}
.section--tight{padding:48px 0}
.eyebrow{font-family:var(--font-head);font-size:.78rem;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent);margin:0 0 .9rem}
.lead{font-size:1.15rem;color:var(--ink-soft);max-width:62ch}

/* buttons */
.btn{display:inline-block;font-family:var(--font-head);font-weight:600;font-size:.95rem;
  padding:14px 28px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;
  transition:.18s ease;letter-spacing:-.01em}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(0,155,230,.28)}
.btn--primary:hover{background:var(--brand-navy);box-shadow:0 10px 26px rgba(0,64,151,.32);
  text-decoration:none;transform:translateY(-1px)}
.btn--ghost{border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}
.section--dark .btn--ghost,.cta-band .btn--ghost{border-color:rgba(255,255,255,.25);color:#fff}
.section--dark .btn--ghost:hover,.cta-band .btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}

/* header — brand-blue band, white wordmark (matches the logo lockup) */
.site-header{position:sticky;top:0;z-index:50;background:var(--brand-blue)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}

/* wordmark logo — "interro technologies" lockup (client artwork) */
.brand{display:inline-flex;align-items:center}
.brand:hover{text-decoration:none}
.brand .logo-img{height:34px;width:auto;display:block}
.site-footer .brand .logo-img{height:38px}

.nav{display:flex;align-items:center;gap:2px}
.nav a{color:rgba(255,255,255,.9);font-size:.94rem;padding:9px 13px;border-radius:8px;font-weight:500}
.nav a:hover{background:rgba(255,255,255,.14);text-decoration:none;color:#fff}
.nav .has-menu{position:relative}
.nav .menu{position:absolute;top:calc(100% + 10px);left:0;min-width:260px;background:#fff;
  border:1px solid var(--line);border-radius:12px;padding:8px;box-shadow:0 18px 40px rgba(4,25,48,.18);
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.14s}
.nav .has-menu:hover .menu,.nav .has-menu:focus-within .menu{opacity:1;visibility:visible;transform:none}
.nav .menu a{display:block;padding:9px 12px;font-size:.9rem;color:var(--ink)}
.nav .menu a:hover{background:var(--bg-warm);color:var(--accent-dark)}
.nav .menu .menu-label{font-family:var(--font-head);font-size:.7rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);padding:10px 12px 4px}
.header-cta{margin-left:10px}
.site-header .btn--primary{background:#fff;color:var(--brand-navy);box-shadow:none}
.site-header .btn--primary:hover{background:var(--accent-soft);color:var(--brand-navy);transform:none}
.nav-toggle{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer;color:#fff}

/* hero */
.hero{padding:92px 0 80px;
  background:radial-gradient(1100px 520px at 15% -10%,var(--accent-soft),transparent 60%),
             linear-gradient(180deg,var(--bg-warm),#fff)}
.hero .eyebrow{color:var(--accent)}
.hero h1{max-width:16ch}
.hero p{font-size:1.18rem;color:var(--ink-soft);max-width:56ch}
.hero .actions{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}

/* stat strip */
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;text-align:center}
.stats .num{font-family:var(--font-head);font-size:2.1rem;font-weight:700;color:var(--accent);
  letter-spacing:-.02em}
.stats .lbl{font-size:.86rem;color:var(--muted)}

/* generic grid of cards */
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  transition:.18s ease}
.card h3{margin-bottom:.35em}
.card p{font-size:.95rem;color:var(--ink-soft);margin:0}
.card--link:hover{border-color:transparent;box-shadow:0 18px 44px rgba(4,25,48,.12);
  transform:translateY(-3px)}
.card .tag{font-family:var(--font-head);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent);display:block;margin-bottom:.5em}
.section--warm .card{background:#fff}
.card-more{margin-top:14px;color:var(--accent);font-weight:600;font-family:var(--font-head)}

/* icon badge */
.ico{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:14px;
  background:var(--accent-soft);color:var(--accent-dark);margin-bottom:16px}
.ico svg,.ico-svg{width:24px;height:24px}
.ico--sm{width:34px;height:34px;border-radius:9px;margin:0}
.ico--sm svg{width:18px;height:18px}
.ico--lg{width:60px;height:60px;border-radius:16px;margin-bottom:22px}
.ico--lg svg{width:28px;height:28px}
.card--link:hover .ico{background:var(--accent);color:#fff}
.card--compact{display:flex;align-items:center;gap:14px;padding:16px 18px;font-weight:500}
.card--compact span:last-child{font-family:var(--font-head);font-size:.98rem}

/* checklist */
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.checklist li{position:relative;padding-left:32px;color:var(--ink-soft)}
.checklist li::before{content:"";position:absolute;left:0;top:.35em;width:18px;height:18px;
  border-radius:50%;background:var(--accent-soft);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23004097' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size:12px;background-repeat:no-repeat;background-position:center}

/* two-column prose block */
.split{display:grid;grid-template-columns:0.9fr 1.1fr;gap:48px;align-items:start}
.split .checklist{align-self:center}

/* CTA band */
.cta-band{background:var(--bg-dark);color:#fff;text-align:center;padding:72px 0;
  background-image:radial-gradient(700px 300px at 50% 0%,rgba(0,155,230,.22),transparent 70%)}
.cta-band h2{color:#fff}
.cta-band p{color:#a7b6c8;max-width:52ch;margin:0 auto 24px}

/* breadcrumb */
.crumb{font-size:.85rem;color:var(--muted);padding:18px 0 0}
.crumb a{color:var(--muted)}

/* footer */
.site-footer{background:var(--bg-dark);color:#8ea0b4;padding:64px 0 30px;font-size:.9rem}
.site-footer h4{color:#fff;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1em}
.site-footer a{color:#8ea0b4}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.82rem}
.locations{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.locations .city{font-family:var(--font-head);color:#fff;font-weight:600;margin-bottom:.3em}
.locations address{font-style:normal;font-size:.85rem;color:#8ea0b4}

/* contact form */
.form-grid{display:grid;gap:16px;max-width:560px}
.form-grid input,.form-grid textarea,.form-grid select{width:100%;padding:13px 15px;border:1px solid var(--line);
  border-radius:10px;font:inherit;background:#fff}
.form-grid textarea{min-height:130px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

@media (max-width:900px){
  .stats{grid-template-columns:repeat(2,1fr);gap:26px}
  .grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .locations{grid-template-columns:1fr 1fr}
  .nav{position:fixed;inset:74px 0 auto 0;background:var(--brand-navy);flex-direction:column;
    align-items:stretch;padding:12px;gap:2px;display:none;max-height:calc(100vh - 74px);overflow-y:auto}
  .nav.open{display:flex}
  .nav a{color:#fff}
  .nav .has-menu .menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;
    background:transparent;border:0;border-left:2px solid rgba(255,255,255,.2);border-radius:0;
    margin:2px 0 6px 12px;padding:2px 0}
  .nav .menu a,.nav .menu .menu-label{color:rgba(255,255,255,.82)}
  .nav .menu a:hover{background:rgba(255,255,255,.12);color:#fff}
  .nav-toggle{display:block}
  .header-cta{display:none}
}
@media (max-width:560px){
  .grid--3,.grid--4,.grid--2{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid,.locations{grid-template-columns:1fr}
}