/* ===========================================================================
   INFRA — Engineering & Infrastructure Holding
   Brand: navy #002054 · gray #85898E · Manrope (self-hosted)
   =========================================================================== */

/* ---- Fonts (Manrope, fully self-hosted — latin + cyrillic, no third-party CDN) ---- */
@font-face{font-family:"Manrope";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/manrope-latin-400.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Manrope";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/manrope-cyrillic-400.woff2") format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;}
@font-face{font-family:"Manrope";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/manrope-latin-500.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Manrope";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/manrope-cyrillic-500.woff2") format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;}
@font-face{font-family:"Manrope";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/manrope-latin-600.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Manrope";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/manrope-cyrillic-600.woff2") format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;}
@font-face{font-family:"Manrope";font-style:normal;font-weight:700;font-display:swap;src:url("fonts/manrope-latin-700.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Manrope";font-style:normal;font-weight:700;font-display:swap;src:url("fonts/manrope-cyrillic-700.woff2") format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;}
@font-face{font-family:"Manrope";font-style:normal;font-weight:800;font-display:swap;src:url("fonts/manrope-latin-800.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Manrope";font-style:normal;font-weight:800;font-display:swap;src:url("fonts/manrope-cyrillic-800.woff2") format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;}

/* ---- Tokens (official INFRA brandbook palette) ---- */
:root{
  --navy:#002054;            /* INFRA Navy — PMS 282C */
  --navy-800:#001844;
  --navy-900:#000f2e;
  --accent:#1f5fc0;          /* lighter blue for links / hover */
  --gray:#85898e;            /* Steel Gray — Cool Gray 9C */
  --light-steel:#c5cad1;     /* Light Steel — Cool Gray 3C */
  --ink:#1a1d23;             /* Ink — PMS Black 6C */
  --muted:#586072;           /* secondary text (AA on white) */
  --line:#e5e8ed;
  --bg:#ffffff;
  --bg-alt:#f4f6f9;
  --radius:14px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 1px 2px rgba(16,28,55,.06),0 12px 32px rgba(16,28,55,.08);
  --shadow-lg:0 24px 60px rgba(0,21,64,.18);
}

*,*::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;font-family:"Manrope",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;
  font-size:17px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%;}
button,input,select,textarea{font-family:inherit;}   /* form controls don't inherit font by default — keep them on Manrope */
a{color:inherit;text-decoration:none;}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em;margin:0;color:var(--navy);font-weight:700;}
p{margin:0;}

.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:24px;}
.section{padding:96px 0;}
.eyebrow{
  font-size:13px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);margin-bottom:16px;
}
.section-head{max-width:680px;margin-bottom:52px;}
.section-head h2{font-size:clamp(28px,4vw,42px);}
.section-head p{margin-top:18px;color:var(--muted);font-size:18px;}

/* ---- Buttons ---- */
.btn{
  display:inline-flex;align-items:center;gap:9px;font-family:inherit;font-weight:600;font-size:15px;
  padding:13px 24px;border-radius:10px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s,border-color .2s;
  white-space:nowrap;
}
.btn svg{width:17px;height:17px;}
.btn-primary{background:var(--navy);color:#fff;}
.btn-primary:hover{background:var(--accent);transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,21,64,.28);}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--navy);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--navy);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.25);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px);}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid transparent;
  transition:border-color .3s,box-shadow .3s;
}
.site-header.scrolled{border-color:var(--line);box-shadow:0 4px 20px rgba(16,28,55,.05);}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;}
.nav__logo img{height:34px;width:auto;}
.nav__links{display:flex;align-items:center;gap:34px;}
.nav__links a{font-size:15px;font-weight:500;color:var(--ink);position:relative;padding:6px 0;}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);
  transition:width .25s var(--ease);
}
.nav__links a:hover{color:var(--navy);}
.nav__links a:hover::after{width:100%;}
.nav__cta{display:flex;align-items:center;gap:16px;}
.nav__cta .btn{padding:7.5px 16px;font-size:13px;border-radius:9px;line-height:1;}
.nav__cta .btn svg{width:14px;height:14px;}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;}
.nav__toggle span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;border-radius:2px;transition:.3s var(--ease);}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(120% 120% at 80% -10%,#0a3576 0%,var(--navy) 45%,var(--navy-900) 100%);
}
.hero::before{ /* blueprint grid */
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(120% 90% at 70% 0%,#000 30%,transparent 78%);
          mask-image:radial-gradient(120% 90% at 70% 0%,#000 30%,transparent 78%);
}
.hero__road{position:absolute;right:-60px;bottom:-40px;width:min(620px,52%);opacity:.16;pointer-events:none;}
.hero .wrap{position:relative;z-index:2;padding-top:104px;padding-bottom:108px;}
.hero__inner{max-width:760px;}
.hero .eyebrow{color:#8fb4ff;}
.hero h1{
  color:#fff;font-size:clamp(28px,4.2vw,46px);font-weight:700;letter-spacing:-.02em;
}
.hero h1 em{font-style:normal;color:#7fa9ff;}
.hero__sub{margin-top:24px;font-size:clamp(17px,2vw,20px);color:#c3cee3;max-width:600px;}
.hero__actions{margin-top:38px;display:flex;flex-wrap:wrap;gap:14px;}
.hero__stats{
  position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:72px;padding-top:34px;border-top:1px solid rgba(255,255,255,.14);max-width:820px;
}
.hero__stats .stat b{display:block;font-size:clamp(26px,3.4vw,38px);font-weight:700;color:#fff;letter-spacing:-.02em;}
.hero__stats .stat span{font-size:14px;color:#9fb0cf;}

/* ===== About ===== */
.about{background:var(--bg);}
.about__grid{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center;}
.about__lead{font-size:clamp(22px,2.6vw,28px);font-weight:500;color:var(--navy);line-height:1.4;letter-spacing:-.01em;}
.about__body{margin-top:22px;color:var(--muted);font-size:17px;}
.about__body p+p{margin-top:16px;}
.about__points{display:grid;gap:18px;}
.about__points li{display:flex;gap:14px;align-items:flex-start;list-style:none;}
.about__points{margin:0;padding:0;}
.about__points .ic{flex:none;width:42px;height:42px;border-radius:10px;background:var(--bg-alt);display:grid;place-items:center;color:var(--navy);}
.about__points .ic svg{width:20px;height:20px;}
.about__points b{display:block;color:var(--navy);font-weight:600;font-size:16px;}
.about__points small{color:var(--muted);font-size:14.5px;}

/* ===== Services ===== */
.services{background:var(--bg-alt);}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent;}
.card .ic{
  width:50px;height:50px;border-radius:12px;display:grid;place-items:center;margin-bottom:20px;
  background:linear-gradient(135deg,var(--navy),#0a3576);color:#fff;
}
.card .ic svg{width:24px;height:24px;}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:15.5px;}

/* ===== Stats band ===== */
.band{background:var(--navy);color:#fff;}
.band .wrap{padding:64px 24px;}
.band__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center;}
.band b{display:block;font-size:clamp(30px,4vw,46px);font-weight:700;letter-spacing:-.02em;}
.band span{color:#9fb0cf;font-size:15px;}

/* ===== Projects ===== */
.projects{background:var(--bg);}
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.proj{
  position:relative;border-radius:var(--radius);overflow:hidden;min-height:300px;color:#fff;
  display:flex;flex-direction:column;justify-content:flex-end;padding:28px;
  background:linear-gradient(180deg,rgba(0,15,46,.15),rgba(0,15,46,.86)),
             linear-gradient(135deg,#13335f,#001640);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.proj:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.proj small{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:#9fb8e6;font-weight:600;}
.proj h3{color:#fff;font-size:21px;margin-top:8px;}
.proj p{color:#c3cee3;font-size:14.5px;margin-top:8px;}
/* real project photos as card backgrounds (dark gradient overlay keeps text legible) */
.proj.has-photo{background-size:cover;background-position:center;background-repeat:no-repeat;}
.proj.p-1{background-image:linear-gradient(180deg,rgba(0,12,38,.20) 0%,rgba(0,12,38,.52) 48%,rgba(0,14,44,.93) 100%),url("assets/projects/01-tashkent-samarkand.jpg");}
.proj.p-2{background-image:linear-gradient(180deg,rgba(0,12,38,.20) 0%,rgba(0,12,38,.52) 48%,rgba(0,14,44,.93) 100%),url("assets/projects/02-angren-pap.jpg");}
.proj.p-3{background-image:linear-gradient(180deg,rgba(0,12,38,.20) 0%,rgba(0,12,38,.52) 48%,rgba(0,14,44,.93) 100%),url("assets/projects/03-surgil.jpg");}
.proj.p-4{background-image:linear-gradient(180deg,rgba(0,12,38,.20) 0%,rgba(0,12,38,.52) 48%,rgba(0,14,44,.93) 100%),url("assets/projects/04-beineu-shalkar.jpg");}
.proj.p-5{background-image:linear-gradient(180deg,rgba(0,12,38,.20) 0%,rgba(0,12,38,.52) 48%,rgba(0,14,44,.93) 100%),url("assets/projects/05-marokand-bukhara.jpg");}
.proj.p-6{background-image:linear-gradient(180deg,rgba(0,12,38,.20) 0%,rgba(0,12,38,.52) 48%,rgba(0,14,44,.93) 100%),url("assets/projects/06-uzen-bolashak.jpg");}

/* ===== Why ===== */
.why{background:var(--bg-alt);}
.why__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.why__item{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;}
.why__item .num{font-size:15px;font-weight:700;color:var(--accent);flex:none;width:34px;}
.why__item h3{font-size:18px;margin-bottom:8px;}
.why__item p{color:var(--muted);font-size:15px;}

/* ===== Contact ===== */
.contact{background:var(--bg);}
.contact__grid{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;}
.contact__info .eyebrow{color:var(--accent);}
.contact__info h2{font-size:clamp(28px,4vw,40px);}
.contact__info p{margin-top:18px;color:var(--muted);}
.contact__list{margin:34px 0 0;padding:0;list-style:none;display:grid;gap:20px;}
.contact__list li{display:flex;gap:14px;align-items:flex-start;}
.contact__list .ic{flex:none;width:44px;height:44px;border-radius:11px;background:var(--bg-alt);display:grid;place-items:center;color:var(--navy);}
.contact__list .ic svg{width:20px;height:20px;}
.contact__list b{display:block;font-size:13px;color:var(--muted);font-weight:500;}
.contact__list a,.contact__list span{font-size:17px;color:var(--navy);font-weight:600;}
.contact__list a:hover{color:var(--accent);}
.contact__list .addr{display:block;font-size:14.5px;color:var(--muted);font-weight:500;line-height:1.5;margin-top:2px;}
.contact__list .tel{display:block;font-size:16px;color:var(--navy);font-weight:600;margin-top:6px;}
.contact__list .hours{display:block;font-size:13px;color:var(--muted);font-weight:500;margin-top:5px;}

form.card{padding:30px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:500;margin-bottom:7px;color:var(--ink);}
.field input,.field textarea{
  width:100%;font-family:inherit;font-size:15.5px;color:var(--ink);
  padding:13px 15px;border:1.5px solid var(--line);border-radius:10px;background:#fff;
  transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(20,86,184,.12);}
.field textarea{resize:vertical;min-height:120px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
form .btn{width:100%;justify-content:center;margin-top:6px;}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;text-align:center;}

/* ===== Footer ===== */
.footer{background:var(--navy-900);color:#aeb9d0;padding:64px 0 30px;}
.footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer__brand img{height:34px;margin-bottom:18px;}
.footer__brand p{color:#8a96b3;font-size:15px;max-width:300px;}
.footer h4{color:#fff;font-size:14px;letter-spacing:.05em;text-transform:uppercase;margin:0 0 16px;}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer ul a{color:#aeb9d0;font-size:15px;}
.footer ul a:hover{color:#fff;}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;padding-top:26px;font-size:14px;color:#76829e;flex-wrap:wrap;gap:10px;}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(22px);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;}}

/* ===== Responsive ===== */
@media (max-width:960px){
  .about__grid,.contact__grid{grid-template-columns:1fr;gap:40px;}
  .cards,.proj-grid{grid-template-columns:repeat(2,1fr);}
  .footer__top{grid-template-columns:1fr 1fr;}
  .footer__brand{grid-column:1/-1;}
}
@media (max-width:760px){
  .section{padding:72px 0;}
  .nav__links,.nav__cta .btn{display:none;}
  .nav__toggle{display:block;}
  .nav.open .nav__links{
    display:flex;flex-direction:column;position:absolute;top:74px;left:0;right:0;
    background:#fff;padding:20px 24px;gap:6px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
  }
  .nav.open .nav__links a{padding:12px 0;width:100%;border-bottom:1px solid var(--line);}
  .nav.open.nav .nav__toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav.open.nav .nav__toggle span:nth-child(2){opacity:0;}
  .nav.open.nav .nav__toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .hero__stats,.band__grid{grid-template-columns:repeat(2,1fr);gap:28px 20px;}
  .why__grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .cards,.proj-grid{grid-template-columns:1fr;}
  body{font-size:16px;}
}

/* ===========================================================================
   Additions: directions tags, companies (holding), badges
   =========================================================================== */

/* direction card: which subsidiaries deliver it + upcoming badge */
.card__head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px;}
.card__num{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.04em;}
.badge{
  font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);background:rgba(31,95,192,.1);padding:4px 9px;border-radius:999px;white-space:nowrap;
}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px;}
.tag{
  font-size:12px;font-weight:600;color:var(--navy);background:var(--bg-alt);
  border:1px solid var(--line);padding:4px 10px;border-radius:7px;
}

/* ===== Companies (the holding) ===== */
.companies{background:var(--bg);}
.co-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.co{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:30px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
}
.co:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent;}
.co__top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.co__name{font-size:23px;font-weight:700;color:var(--navy);letter-spacing:-.01em;line-height:1.15;min-width:0;}
.co__site{font-size:13px;font-weight:600;color:var(--accent);text-decoration:underline;text-underline-offset:2px;white-space:nowrap;}
.co__site:hover{color:var(--navy);}
.co__full{font-size:13.5px;color:var(--muted);margin-top:2px;}
.co__sector{
  display:inline-block;margin-top:14px;font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--navy);background:var(--bg-alt);border:1px solid var(--line);padding:5px 12px;border-radius:999px;
}
.co__desc{margin-top:16px;color:var(--muted);font-size:15px;line-height:1.6;}
.co__facts{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 20px;margin-top:auto;padding-top:20px;}
.co__fact b{display:block;font-size:19px;font-weight:700;color:var(--navy);letter-spacing:-.01em;}
.co__fact span{font-size:12.5px;color:var(--muted);}

/* project meta tag */
.proj small.proj__co{color:#fff;background:rgba(255,255,255,.14);padding:3px 9px;border-radius:6px;letter-spacing:.06em;}

/* footer subsidiaries */
.footer__brand .subs{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer__brand .subs a{font-size:13px;color:#aeb9d0;border:1px solid rgba(255,255,255,.16);padding:4px 10px;border-radius:7px;}
.footer__brand .subs a:hover{color:#fff;border-color:rgba(255,255,255,.4);}

@media (max-width:760px){
  .co-grid{grid-template-columns:1fr;}
}

/* ===========================================================================
   Accessibility: focus ring, skip link, anchor offset, about aside
   =========================================================================== */
.about__aside .tags{margin-top:22px;}
section[id]{scroll-margin-top:90px;}

a:focus-visible,.btn:focus-visible,button:focus-visible,
input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;
}
/* light ring on dark surfaces */
.hero a:focus-visible,.footer a:focus-visible,
.btn-light:focus-visible,.btn-outline-light:focus-visible,
.proj:focus-visible,.band a:focus-visible{outline-color:#fff;}
.field input:focus,.field textarea:focus{box-shadow:0 0 0 4px rgba(31,95,192,.32);}

.skip{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:#fff;color:var(--navy);font-weight:600;padding:10px 16px;border-radius:8px;
}
.skip:focus{left:16px;top:16px;outline:2px solid var(--accent);outline-offset:2px;}

/* ===== Language switcher ===== */
.lang{display:inline-flex;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff;}
.lang__btn{
  font-family:inherit;font-size:13px;font-weight:600;line-height:1;letter-spacing:.02em;
  padding:8px 11px;background:transparent;color:var(--muted);border:0;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.lang__btn+.lang__btn{border-left:1px solid var(--line);}
.lang__btn:hover{color:var(--navy);}
.lang__btn.is-active{background:var(--navy);color:#fff;}
@media (max-width:760px){
  .nav__cta{gap:10px;}
  .lang__btn{padding:7px 9px;font-size:12.5px;}
}

/* ===========================================================================
   EXPERIMENTAL: hero video background + 3D parallax on scroll
   (to revert: remove this block, the .hero--video markup, and the
    "Hero video parallax" block in main.js)
   =========================================================================== */
.hero-scrub{position:relative;height:300vh;background:var(--navy-900);}
.hero-scrub > .hero{position:sticky;top:0;height:100vh;min-height:600px;overflow:hidden;}
.hero__media{position:absolute;inset:0;z-index:0;overflow:hidden;background:#001640 url("assets/hero-rail-poster.jpg") center/cover no-repeat;}
.hero__canvas{position:absolute;inset:0;width:100%;height:100%;display:block;}
.hero__overlay{position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(0,15,46,.66) 0%, rgba(0,15,46,.56) 55%, rgba(0,16,46,.82) 100%),
    linear-gradient(100deg, rgba(0,10,34,.93) 0%, rgba(0,15,46,.5) 55%, rgba(0,15,46,.22) 100%);
}
.hero--video::before{z-index:1;opacity:.2;}
.hero--video .hero__road{display:none;}

/* scroll-synced scenes (crossfade as the video scrubs) */
.hero__scene{position:absolute;inset:0;display:flex;align-items:center;padding-top:74px;z-index:2;will-change:opacity;}
.hero__scene .wrap{width:100%;padding-top:80px;padding-bottom:80px;}
.hero__scene--1{opacity:1;}
.hero__scene--2,.hero__scene--3{opacity:0;}
.hero__scene-h{color:#fff;font-size:clamp(28px,4.4vw,48px);font-weight:700;letter-spacing:-.02em;line-height:1.12;max-width:740px;}
.hero__scene-h + .hero__sub{margin-top:22px;}
.hero__stats--3{grid-template-columns:repeat(3,1fr);max-width:660px;}

@media (max-width:760px){
  /* mobile keeps the SAME pinned scroll-scrub as desktop (canvas frames) — just compact the scenes to fit 100vh */
  .hero__scene{padding-top:58px;}
  .hero__scene .wrap{padding-top:24px;padding-bottom:26px;}
  .hero h1{font-size:clamp(25px,6.6vw,32px);}
  .hero__sub{font-size:15px;line-height:1.5;margin-top:14px;}
  .hero__actions{margin-top:22px;gap:10px;}
  .hero__stats{margin-top:30px;padding-top:18px;gap:16px 14px;}
  .hero__stats .stat b{font-size:24px;}
  .hero__stats .stat span{font-size:12.5px;}
  .hero__scene-h{font-size:clamp(24px,6.4vw,31px);}
  .hero__stats--3{gap:14px 12px;}
}
/* reduced motion: no scrub — collapse the tall track to a normal static hero (scene 1 only) */
@media (prefers-reduced-motion:reduce){
  .hero-scrub{height:auto;}
  .hero-scrub > .hero{position:relative;height:auto;min-height:0;}
  .hero__scene{position:relative;opacity:1;}
  .hero__scene--2,.hero__scene--3{display:none;}
  .hero__scene .wrap{padding-top:104px;padding-bottom:90px;}
}

/* ===========================================================================
   Companies accordion (expandable per-company detail)
   =========================================================================== */
.acc{display:grid;gap:14px;}
.acc__item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;transition:box-shadow .25s var(--ease),border-color .25s;}
.acc__item.open{box-shadow:var(--shadow);border-color:transparent;}
.acc__head{width:100%;display:flex;align-items:center;gap:18px;padding:24px 28px;background:none;border:0;cursor:pointer;text-align:left;font-family:inherit;color:var(--ink);}
.acc__head:hover .acc__id{color:var(--accent);}
.acc__id{font-size:22px;font-weight:700;color:var(--navy);flex:none;min-width:130px;transition:color .2s;}
.acc__brand{flex:none;width:180px;display:flex;align-items:center;}
.acc__logo{max-height:30px;max-width:100%;width:auto;display:block;}
.acc__role{flex:1;font-size:15.5px;font-weight:500;color:var(--ink);}
.acc__loc{font-size:14px;color:var(--muted);white-space:nowrap;}
.acc__chev{width:22px;height:22px;color:var(--navy);flex:none;transition:transform .35s var(--ease);}
.acc__item.open .acc__chev{transform:rotate(180deg);}
.acc__panel{height:0;overflow:hidden;transition:height .38s var(--ease);}
.acc__inner{padding:4px 28px 30px;border-top:1px solid var(--line);}
.acc__about{color:var(--muted);font-size:15.5px;line-height:1.65;margin:22px 0 0;max-width:900px;}
.acc__facts{display:flex;flex-wrap:wrap;gap:16px 40px;margin-top:24px;}
.acc__facts b{display:block;font-size:23px;font-weight:700;color:var(--navy);letter-spacing:-.01em;}
.acc__facts span{font-size:13px;color:var(--muted);}
.acc__cols{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:28px;}
.acc__col h4{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin:0 0 14px;font-weight:600;}
.acc__col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.acc__col li{position:relative;padding-left:18px;color:var(--ink);font-size:14.5px;line-height:1.5;}
.acc__col li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:2px;background:var(--accent);}
.acc__certs{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;}
.acc__inner .co__site{display:inline-block;margin-top:22px;}
@media (max-width:760px){
  .acc__head{flex-wrap:wrap;gap:6px 14px;padding:20px;}
  .acc__id{min-width:auto;font-size:20px;}
  .acc__brand{width:auto;}
  .acc__logo{max-height:26px;}
  .acc__role{flex:1 1 auto;font-size:14.5px;}
  .acc__loc{order:3;width:100%;}
  .acc__cols{grid-template-columns:1fr;gap:24px;}
  .acc__inner{padding:4px 20px 26px;}
}