:root{
  /* Color — graphite / engineering blue */
  --bg:#0e1116;
  --bg-2:#141922;
  --bg-3:#1b212c;
  --surface:#161c26;
  --surface-2:#1d2531;
  --line:#28313f;
  --line-2:#33404f;
  --text:#e7ecf3;
  --text-2:#a8b3c2;
  --text-3:#76828f;
  --accent:#2f80ed;
  --accent-2:#1f6fe0;
  --accent-soft:rgba(47,128,237,.12);
  --success:#3fae6a;
  --warning:#e08a2b;
  --inactive:#5a6573;
  --error:#d9534f;

  /* Typography */
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --fs-caption:.8125rem;
  --fs-body:1.0625rem;
  --fs-lead:1.25rem;
  --fs-h3:1.4rem;
  --fs-h2:clamp(1.9rem,3.6vw,2.7rem);
  --fs-h1:clamp(2.5rem,6vw,4.4rem);
  --lh-body:1.7;
  --lh-head:1.1;

  /* Spacing */
  --sp-1:.5rem; --sp-2:1rem; --sp-3:1.5rem; --sp-4:2rem;
  --sp-5:3rem; --sp-6:4.5rem; --sp-7:4.4rem; --sp-8:6.3rem;

  /* Radius / shadow / layout */
  --r-sm:8px; --r-md:14px; --r-lg:20px;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 12px 40px -12px rgba(0,0,0,.55);
  --shadow-hover:0 1px 2px rgba(0,0,0,.4),0 22px 60px -18px rgba(0,0,0,.7);
  --maxw:1360px; --textw:700px;
  --header-h:88px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:var(--fs-body);line-height:var(--lh-body);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:var(--lh-head);font-weight:650;letter-spacing:-.02em;margin:0}
h1{font-size:var(--fs-h1)}
h2{font-size:var(--fs-h2)}
h3{font-size:var(--fs-h3);letter-spacing:-.01em}
p{margin:0}
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.25rem,5vw,2.5rem)}
.section{padding-block:var(--sp-7)}
.measure{max-width:var(--textw)}
.eyebrow{display:inline-block;font-size:var(--fs-caption);font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);margin-bottom:var(--sp-2)}
.lead{font-size:var(--fs-lead);color:var(--text-2);line-height:1.6}
.muted{color:var(--text-2)}
.caption{font-size:var(--fs-caption);color:var(--text-3);letter-spacing:.02em}

/* Skip link + focus */
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--accent);color:#fff;
  padding:.75rem 1.25rem;border-radius:0 0 var(--r-sm) 0}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:inherit;font-size:1rem;
  font-weight:600;line-height:1;padding:.95rem 1.6rem;border-radius:var(--r-sm);
  border:1px solid transparent;cursor:pointer;transition:transform .25s var(--ease),
  background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 8px 24px -8px var(--accent)}
.btn--primary:hover{background:var(--accent-2)}
.btn--secondary{background:transparent;color:var(--text);border-color:var(--line-2)}
.btn--secondary:hover{border-color:var(--accent);color:#fff}
.btn--ghost{background:transparent;color:var(--text-2);padding-inline:.4rem}
.btn--ghost:hover{color:#fff}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.btn--lg{padding:1.1rem 2rem;font-size:1.0625rem}

/* ---------- Header ---------- */
.header{position:fixed;inset:0 0 auto 0;z-index:100;height:var(--header-h);
  display:flex;align-items:center;transition:background .35s var(--ease),
  border-color .35s var(--ease),backdrop-filter .35s var(--ease);
  border-bottom:1px solid transparent}
.header.scrolled{background:rgba(14,17,22,.82);backdrop-filter:saturate(140%) blur(14px);
  border-bottom-color:var(--line)}
.header__inner{display:flex;align-items:center;width:100%;
  max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.5rem,6vw,3.25rem);gap:var(--sp-4)}
.brand{display:flex;align-items:center;gap:.6rem;flex-shrink:0;margin-left:var(--sp-1);margin-right:var(--sp-2)}
.brand img{width:clamp(215px,21vw,300px);height:auto;display:block}
.nav{display:flex;gap:var(--sp-4);flex:1;justify-content:center}
.nav a{font-size:.95rem;color:var(--text-2);font-weight:500;position:relative;padding-block:.25rem;
  transition:color .2s var(--ease)}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--accent);
  transition:width .25s var(--ease)}
.nav a:hover,.nav a:focus-visible{color:#fff}
.nav a:hover::after{width:100%}
.header__actions{display:flex;align-items:center;gap:var(--sp-2);flex-shrink:0;margin-left:auto}
.lang{display:flex;gap:2px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-sm);padding:3px}
.lang button{background:transparent;border:0;color:var(--text-3);font-family:inherit;font-weight:600;
  font-size:.8rem;padding:.35rem .55rem;border-radius:5px;cursor:pointer;transition:.2s var(--ease)}
.lang button[aria-current="true"]{background:var(--accent-soft);color:var(--accent)}
.lang button:hover{color:#fff}
.burger{display:none;flex-direction:column;gap:5px;background:transparent;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s var(--ease)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Mobile menu */
.mobile-nav{position:fixed;inset:var(--header-h) 0 0 0;z-index:99;background:var(--bg);
  display:flex;flex-direction:column;padding:var(--sp-4) clamp(1.25rem,5vw,2.5rem);gap:var(--sp-3);
  transform:translateX(100%);transition:transform .4s var(--ease);visibility:hidden}
.mobile-nav.open{transform:translateX(0);visibility:visible}
.mobile-nav a{font-size:1.4rem;color:var(--text);font-weight:600;padding-block:.5rem;
  border-bottom:1px solid var(--line);opacity:0;transform:translateY(12px);
  transition:opacity .4s var(--ease),transform .4s var(--ease)}
.mobile-nav.open a{opacity:1;transform:none}
.mobile-nav.open a:nth-child(1){transition-delay:.06s}
.mobile-nav.open a:nth-child(2){transition-delay:.12s}
.mobile-nav.open a:nth-child(3){transition-delay:.18s}
.mobile-nav.open a:nth-child(4){transition-delay:.24s}
.mobile-nav .btn{margin-top:var(--sp-2);justify-content:center}

/* ---------- Hero ---------- */
.hero{position:relative;padding-top:calc(var(--header-h) + var(--sp-5));padding-bottom:var(--sp-6);
  overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(1100px 520px at 78% 18%,rgba(47,128,237,.18),transparent 60%),
  linear-gradient(180deg,var(--bg-2),var(--bg));z-index:-1}
.hero__grid{display:grid;grid-template-columns:.8fr 1.55fr;gap:var(--sp-5);align-items:center}
.hero h1 span{color:var(--accent)}
.hero .lead{margin-top:var(--sp-3);max-width:34ch}
.hero__cta{display:flex;gap:var(--sp-2);margin-top:var(--sp-4);flex-wrap:wrap}
.badges{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:var(--sp-5)}
.badge{font-size:var(--fs-caption);font-weight:600;letter-spacing:.04em;color:var(--text-2);
  background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:.45rem .9rem}
.hero__media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:var(--surface)}
.hero__media img{width:100%;height:auto;display:block}

/* ---------- Trust strip ---------- */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-3);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:var(--sp-5)}
.trust__item{padding-right:var(--sp-2)}
.trust__item svg{color:var(--accent);margin-bottom:.9rem}
.trust__item h3{font-size:1.05rem;margin-bottom:.4rem}
.trust__item p{font-size:.95rem;color:var(--text-2)}

/* ---------- Services grid ---------- */
.section__head{max-width:var(--textw);margin-bottom:var(--sp-5)}
.grid-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-3)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:var(--sp-4);transition:transform .3s var(--ease),border-color .3s var(--ease),
  box-shadow .3s var(--ease)}
.card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow-hover)}
.card__icon{width:46px;height:46px;border-radius:var(--r-sm);background:var(--accent-soft);
  display:grid;place-items:center;color:var(--accent);margin-bottom:var(--sp-3)}
.card h3{font-size:1.15rem;margin-bottom:.5rem}
.card p{font-size:.95rem;color:var(--text-2)}

/* ---------- Feature (image + text) rows ---------- */
.feature{display:grid;grid-template-columns:1.6fr .9fr;gap:clamp(2rem,4vw,var(--sp-5));align-items:center}
.feature--reverse{grid-template-columns:.9fr 1.6fr}
/* scale the text block with the image so the component reads as one unit */
.feature h2{font-size:clamp(1.7rem,2.6vw,2.15rem)}
.feature .lead{font-size:clamp(1.05rem,1.4vw,1.2rem)}
.feature .checklist{gap:.85rem}
.feature .checklist li{font-size:clamp(.98rem,1.15vw,1.05rem)}
.feature--reverse .feature__media{order:2}
.feature__media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:var(--surface);position:relative}
.feature__media img{width:100%;height:auto;display:block}
.feature__media figcaption{position:absolute;left:0;right:0;bottom:0;font-size:var(--fs-caption);
  color:var(--text-2);background:linear-gradient(0deg,rgba(8,10,14,.92),transparent);
  padding:1.6rem 1.1rem .8rem;letter-spacing:.02em}
.feature h2{margin-bottom:var(--sp-2)}
.feature .lead{margin-bottom:var(--sp-3)}
.checklist{list-style:none;padding:0;margin:var(--sp-3) 0 0;display:grid;gap:.75rem}
.checklist li{display:flex;gap:.7rem;align-items:flex-start;color:var(--text-2);font-size:.98rem}
.checklist svg{flex-shrink:0;color:var(--success);margin-top:3px}
.tag-note{display:inline-flex;align-items:center;gap:.5rem;font-size:var(--fs-caption);
  color:var(--text-3);border:1px dashed var(--line-2);border-radius:var(--r-sm);
  padding:.5rem .8rem;margin-top:var(--sp-3)}
.tag-note svg{color:var(--accent)}

/* ---------- Coverage ---------- */
.coverage__list{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:var(--sp-3)}
.chip{font-size:.95rem;color:var(--text);background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-sm);padding:.6rem 1rem;font-weight:500}

/* ---------- Final CTA ---------- */
.cta-band{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  isolation:isolate}
.cta-band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.cta-band::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(6,8,11,.97) 0%,rgba(6,8,11,.9) 30%,rgba(8,10,14,.34) 60%,rgba(8,10,14,.1) 100%)}
.cta-band__body{padding:clamp(2.5rem,6vw,5rem)}
.cta-band h2{max-width:18ch;margin-bottom:var(--sp-4)}
.cta-band__btns{display:flex;gap:var(--sp-2);flex-wrap:wrap}

/* ---------- Contact ---------- */
.contact{display:grid;grid-template-columns:1fr 1.15fr;gap:var(--sp-6);align-items:start}
.contact__info dt{font-size:var(--fs-caption);text-transform:uppercase;letter-spacing:.12em;
  color:var(--text-3);margin-top:var(--sp-3)}
.contact__info dd{margin:.25rem 0 0;font-size:1.05rem}
.contact__info a:hover{color:var(--accent)}
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:var(--sp-4)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-2)}
.field{margin-bottom:var(--sp-2);display:flex;flex-direction:column;gap:.4rem}
.field label{font-size:.85rem;font-weight:600;color:var(--text-2)}
.field label .req{color:var(--accent)}
.field input,.field select,.field textarea{font-family:inherit;font-size:1rem;color:var(--text);
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-sm);padding:.8rem .9rem;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-soft)}
.field[data-invalid="true"] input,.field[data-invalid="true"] select,.field[data-invalid="true"] textarea{
  border-color:var(--error)}
.field .err{font-size:var(--fs-caption);color:var(--error);min-height:0;display:none}
.field[data-invalid="true"] .err{display:block}
.form__msg{display:none;margin-top:var(--sp-2);padding:.9rem 1rem;border-radius:var(--r-sm);font-size:.95rem}
.form__msg--ok{display:block;background:rgba(63,174,106,.12);border:1px solid var(--success);color:#bfe9cf}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line);background:var(--bg-2);padding-block:var(--sp-6) var(--sp-4)}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:var(--sp-4)}
.footer img{margin-bottom:var(--sp-2)}
.footer h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--text-3);
  margin-bottom:var(--sp-2);font-weight:600}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}
.footer a{color:var(--text-2);font-size:.95rem}
.footer a:hover{color:#fff}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;gap:var(--sp-2);
  flex-wrap:wrap;margin-top:var(--sp-5);padding-top:var(--sp-3);border-top:1px solid var(--line)}
.footer__legal{display:flex;gap:var(--sp-3);flex-wrap:wrap}
.footer__bottom p,.footer__legal a{font-size:var(--fs-caption);color:var(--text-3)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- Legal / 404 pages ---------- */
.page{padding-top:calc(var(--header-h) + var(--sp-6))}
.prose{max-width:var(--textw)}
.prose h2{font-size:1.5rem;margin-top:var(--sp-5);margin-bottom:var(--sp-2)}
.prose p,.prose li{color:var(--text-2);margin-bottom:var(--sp-2)}
.prose ul{padding-left:1.2rem}
.notfound{min-height:70vh;display:grid;place-items:center;text-align:center;padding-top:var(--header-h)}
.notfound .code{font-size:clamp(5rem,18vw,11rem);font-weight:700;color:var(--accent);line-height:1;
  letter-spacing:-.04em}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .nav{display:none}
  .burger{display:flex}
  .header__actions .lang{display:none}
  .hero__grid,.feature,.contact{grid-template-columns:1fr;gap:var(--sp-4)}
  .feature--reverse .feature__media{order:0}
  .trust{grid-template-columns:repeat(2,1fr);gap:var(--sp-4)}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .header__actions .btn--primary{display:none}
}
@media (max-width:560px){
  .trust,.grid-cards,.form__row,.footer__grid{grid-template-columns:1fr}
  .section{padding-block:var(--sp-6)}
  .hero__cta .btn{flex:1}
}
@media (min-width:1700px){:root{--maxw:1320px}}

/* ---------- v1.1 polish: form error + image consistency ---------- */
.form__msg--err{display:block;background:rgba(217,83,79,.12);border:1px solid var(--error);color:#f0b6b4}
/* ---------- v2.0: full engineering graphics, larger logos & hero ---------- */
/* Every graphic fills its container width at natural height — never cropped, never shrunk */
.feature__media,.hero__media{border-radius:var(--r-lg);overflow:hidden;background:var(--surface)}
.feature__media picture,.hero__media picture{display:block;width:100%}
.feature__media img,.hero__media img,
.feature__media picture img,.hero__media picture img{
  width:100%;height:auto;display:block}
/* Brand logo — ~220px desktop, responsive, height auto, aspect preserved */
.brand{min-width:0;display:flex;align-items:center}
.brand img{width:clamp(180px,16vw,240px);height:auto;display:block}
.footer img{width:190px;height:auto;margin:0 0 var(--sp-3) 0}
.cf-turnstile{max-width:100%}

/* ---------- v2.8.2: smartphone layout (<768px only — desktop/tablet untouched) ---------- */
@media (max-width:767px){
  /* 12px page gutters (was 14px) */
  .container,.header__inner{padding-inline:.75rem}
  /* 32px per side => 64px at each section boundary (was 60px+60px=120px) */
  .section{padding-block:2rem}
  .feature,.feature--reverse{grid-template-columns:1fr;gap:1.75rem}
  .feature--reverse .feature__media{order:0}
  /* Engineering image wrapper: viewport-anchored breakout — exactly 12px from each
     screen edge regardless of any ancestor padding or grid track sizing. The
     self-centering margins resolve to 0 when the parent already spans the gutters,
     and re-center to the viewport when any ancestor is narrower. */
  .feature__media{
    width:calc(100vw - 24px);
    max-width:none;
    margin-left:calc(50% - 50vw + 12px);
    margin-right:calc(50% - 50vw + 12px);
    border-radius:var(--r-md)}
  .feature__media img,
  .feature__media picture,
  .feature__media picture img{width:100%;max-width:none;height:auto;display:block}
  /* Text block stays slightly narrower than the image for readability (~100vw - 32px) */
  .feature > div:not(.feature__media){padding-inline:4px}
  .hero{padding-bottom:2.5rem}
  .hero__grid{gap:2rem}
  .cta-band__body{padding:2.25rem 1.25rem}
  .cta-band__btns{flex-direction:column}
  .cta-band__btns .btn{width:100%;justify-content:center}
  .contact{gap:2.5rem}
  .trust{padding-block:2rem;gap:1.5rem}
  .section__head{margin-bottom:2.25rem}
}
/* CTA buttons land on the form itself, clear of the fixed header */
#contact-form{scroll-margin-top:calc(var(--header-h) + 1.25rem)}