/* SENTRA website — structural styles (tokens live in colors_and_type.css) */
*{box-sizing:border-box}
html,body{margin:0;background:var(--canvas);color:var(--body);font-family:var(--font-body);-webkit-font-smoothing:antialiased}
a{color:inherit}
img{display:block}
.container{max-width:var(--container-max);margin:0 auto;padding:0 40px}
.kicker{font-family:var(--font-display);font-weight:700;font-size:13px;letter-spacing:1.5px;text-transform:uppercase}
.steel-divider{height:3px;border:0;background:linear-gradient(90deg,var(--steel-3) 0%,var(--steel-1) 45%,#fff 50%,var(--steel-1) 55%,var(--steel-3) 100%)}
.steel-divider.short{width:64px}

/* ---------- buttons ---------- */
.btn{font-family:var(--font-display);font-weight:700;font-size:14px;letter-spacing:.5px;height:48px;padding:0 32px;border-radius:0;cursor:pointer;border:0;display:inline-flex;align-items:center;justify-content:center;gap:9px;transition:background .15s ease,color .15s ease,border-color .15s ease;text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-active)}
.btn-secondary{background:var(--canvas);color:var(--ink);border:1px solid var(--hairline-strong)}
.btn-secondary:hover{border-color:var(--ink)}
.btn-ondark{background:transparent;color:#fff;border:1px solid #fff}
.btn-ondark:hover{background:#fff;color:var(--ink)}
.textlink{font-family:var(--font-display);font-weight:700;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--ink);text-decoration:none;display:inline-flex;align-items:center;gap:6px;cursor:pointer;background:none;border:0;padding:0}
.textlink:hover{color:var(--primary)}
.textlink svg{width:15px;height:15px}

/* ---------- top nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:var(--canvas);border-bottom:1px solid var(--hairline);height:72px}
.nav-in{height:72px;display:flex;align-items:center;gap:40px}
.nav-logo{height:40px;width:auto;object-fit:contain}
.nav-menu{display:flex;gap:30px;flex:1}
.nav-item{font-family:var(--font-body);font-weight:400;font-size:14px;letter-spacing:.3px;color:var(--ink);text-decoration:none;cursor:pointer;padding:6px 0;border-bottom:2px solid transparent;background:none;border-top:0;border-left:0;border-right:0;white-space:nowrap}
.nav-item:hover{color:var(--primary)}
.nav-item.active{border-bottom-color:var(--primary);color:var(--primary)}
.nav-right{display:flex;align-items:center;gap:18px}
.nav-lang{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);cursor:pointer;background:none;border:0;font-family:var(--font-body)}

/* language selector */
.lang-select{position:relative}
.lang-trigger{display:flex;align-items:center;gap:7px;font-family:var(--font-body);font-size:13px;font-weight:500;
  letter-spacing:.5px;color:var(--ink);background:none;border:0;cursor:pointer;padding:8px 4px}
.lang-trigger .icon{width:16px;height:16px;color:var(--muted)}
.lang-trigger .caret{width:14px;height:14px;color:var(--muted);transition:transform .18s ease}
.lang-select.open .lang-trigger .caret{transform:rotate(180deg)}
.lang-menu{position:absolute;top:calc(100% + 6px);right:0;min-width:148px;background:#fff;
  border:1px solid var(--hairline-strong);box-shadow:0 10px 30px rgba(7,18,32,.12);z-index:50;padding:4px}
.lang-menu::before{content:"";position:absolute;left:0;right:0;top:-6px;height:6px}
.lang-opt{display:flex;align-items:baseline;gap:10px;width:100%;text-align:left;background:none;border:0;
  cursor:pointer;padding:9px 12px;font-family:var(--font-body);color:var(--ink);transition:background .14s ease}
.lang-opt:hover{background:var(--surface-soft)}
.lang-opt.active{background:var(--surface-soft)}
.lang-opt .lo-short{font-weight:700;font-size:12px;letter-spacing:1px;color:var(--primary);width:24px;flex:none}
.lang-opt .lo-label{font-weight:400;font-size:14px;color:var(--body)}
.lang-opt.active .lo-label{color:var(--ink)}
.nav-icon-btn{width:40px;height:40px;border-radius:9999px;border:0;background:none;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink)}
.nav-icon-btn:hover{background:var(--surface-strong)}
.icon{width:20px;height:20px;display:inline-block}

/* ---------- hero ---------- */
.hero{background:var(--surface-dark);color:#fff;position:relative;overflow:hidden}
.hero-photo{position:absolute;inset:0;background:linear-gradient(120deg,#0b2238 0%,#143a5e 60%,#1d4d79 100%);opacity:1}
.hero-scrim{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,20,35,.92) 0%,rgba(8,20,35,.7) 45%,rgba(8,20,35,.2) 100%)}
.hero-grid{position:absolute;inset:0;opacity:.10;background-image:linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px);background-size:64px 64px}
.hero-in{position:relative;padding:120px 40px 96px}
.hero h1{font-family:var(--font-display);font-weight:700;font-size:64px;line-height:1.05;margin:18px 0 0;max-width:780px;color:#fff}
.hero .sub{font-weight:300;font-size:20px;line-height:1.55;color:var(--on-dark-soft);max-width:540px;margin:22px 0 36px}
.hero .kicker{color:var(--on-dark-soft)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:48px;margin-top:64px;flex-wrap:wrap}
.hstat .v{font-family:var(--font-display);font-weight:700;font-size:32px;color:#fff}
.hstat .l{font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--on-dark-soft);font-weight:700;margin-top:4px}

/* ---------- section ---------- */
.section{padding:80px 0}
.section-head{max-width:680px;margin-bottom:48px}
.section-head h2{font-family:var(--font-display);font-weight:700;font-size:48px;line-height:1.1;color:var(--ink);margin:16px 0 0}
.section-head p{font-weight:300;font-size:18px;line-height:1.55;color:var(--body);margin:16px 0 0}
.section-head .kicker{color:var(--primary)}

/* ---------- service cards ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc-card{background:var(--canvas);cursor:pointer}
.svc-photo{height:190px;background:var(--surface-card);display:flex;align-items:center;justify-content:center;border:1px solid var(--hairline);position:relative;overflow:hidden}
.svc-photo .bg{position:absolute;inset:0;background:linear-gradient(135deg,#e6edf4,#f4f7fb)}
.svc-photo .icon{width:48px;height:48px;color:var(--steel-3);opacity:.7;position:relative}
.svc-card:hover .svc-photo .bg{background:linear-gradient(135deg,#dde7f1,#eef3f9)}
.svc-body{padding:22px 0 0}
.svc-card .kicker{color:var(--primary)}
.svc-card h3{font-family:var(--font-display);font-weight:700;font-size:20px;color:var(--ink);margin:10px 0 8px}
.svc-card p{font-weight:300;font-size:15px;line-height:1.55;color:var(--body);margin:0 0 16px}

/* ---------- corridor band ---------- */
.corridor{background:var(--surface-soft)}
.corridor-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center}
.lane{display:flex;align-items:center;gap:16px;padding:20px 0;border-bottom:1px solid var(--hairline)}
.lane:last-child{border-bottom:0}
.lane .icon{width:26px;height:26px;color:var(--primary);flex:none}
.lane .name{font-family:var(--font-display);font-weight:700;font-size:18px;color:var(--ink)}
.lane .meta{font-weight:300;font-size:14px;color:var(--muted)}
.lane .days{margin-left:auto;font-family:var(--font-display);font-weight:700;font-size:14px;letter-spacing:1.5px;text-transform:uppercase;color:var(--ink)}
.map-card{background:var(--surface-dark);height:380px;position:relative;overflow:hidden;display:flex;align-items:flex-end;padding:28px}
.map-card .grid{position:absolute;inset:0;opacity:.12;background-image:linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px);background-size:40px 40px}
.map-card .label{position:relative;color:#fff}
.map-card .label .k{font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--on-dark-soft);font-weight:700}
.map-card .label .t{font-family:var(--font-display);font-weight:700;font-size:24px;margin-top:6px}

/* ---------- cta band ---------- */
.cta{background:var(--surface-dark);color:#fff;text-align:center;position:relative;overflow:hidden}
.cta .bg{position:absolute;inset:0;background:linear-gradient(120deg,#0b2238,#163f66);opacity:1}
.cta-in{position:relative;padding:80px 40px;display:flex;flex-direction:column;align-items:center;gap:24px}
.cta h2{font-family:var(--font-display);font-weight:700;font-size:32px;color:#fff;margin:0;max-width:640px}

/* ---------- quote form ---------- */
.quote{background:var(--canvas)}
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-family:var(--font-display);font-weight:700;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--ink)}
.input{height:48px;padding:0 16px;border:1px solid var(--hairline);border-radius:0;font-family:var(--font-body);font-weight:300;font-size:16px;color:var(--ink);background:var(--canvas);outline:none;transition:border-color .15s ease}
.input:focus{border:1.5px solid var(--ink)}
.input::placeholder{color:var(--muted-soft)}
select.input{cursor:pointer}
.seg{display:flex;gap:0}
.seg button{flex:1;height:48px;border:1px solid var(--hairline-strong);border-left-width:0;background:var(--canvas);font-family:var(--font-display);font-weight:700;font-size:13px;letter-spacing:.5px;text-transform:uppercase;color:var(--ink);cursor:pointer;transition:background .15s ease,color .15s ease}
.seg button:first-child{border-left-width:1px}
.seg button.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.quote-aside h3{font-family:var(--font-display);font-weight:700;font-size:24px;color:var(--ink);margin:14px 0 12px}
.quote-aside ul{list-style:none;padding:0;margin:0}
.quote-aside li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;font-weight:300;font-size:15px;color:var(--body);border-bottom:1px solid var(--hairline)}
.quote-aside li .icon{width:20px;height:20px;color:var(--success);flex:none;margin-top:2px}
.toast{background:var(--primary-soft);border-left:0;border:1px solid var(--primary);padding:18px 20px;display:flex;gap:12px;align-items:center;color:var(--ink);font-weight:300;font-size:15px}
.toast .icon{color:var(--primary);width:22px;height:22px;flex:none}
.form-error{background:#fdecec;border:1px solid var(--error);padding:16px 18px;margin:0 0 18px;display:flex;gap:12px;align-items:flex-start;color:var(--ink);font-weight:300;font-size:14px;line-height:1.5}
.form-error .icon{color:var(--error);width:20px;height:20px;flex:none;margin-top:2px}

/* ---------- footer ---------- */
.footer{background:var(--surface-soft);padding:64px 0 28px}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-logo{height:32px;width:auto;object-fit:contain;margin-bottom:16px}
.footer .blurb{font-weight:300;font-size:14px;line-height:1.55;color:var(--muted);max-width:280px}
.footer h4{font-family:var(--font-display);font-weight:700;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--ink);margin:0 0 16px}
.footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
.footer a{font-weight:300;font-size:14px;color:var(--muted);text-decoration:none}
.footer a:hover{color:var(--primary)}
.footer-base{margin-top:48px;padding-top:24px;border-top:1px solid var(--hairline);display:flex;justify-content:space-between;align-items:center;font-weight:300;font-size:13px;color:var(--muted)}
.footer-base .langs{display:flex;gap:18px}

/* ---------- interior page header ---------- */
.pagehead{background:var(--surface-dark);color:#fff;position:relative;overflow:hidden}
.pagehead .bg{position:absolute;inset:0;background:linear-gradient(120deg,#0b2238,#163f66)}
.pagehead .grid{position:absolute;inset:0;opacity:.10;background-image:linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px);background-size:64px 64px}
.pagehead-in{position:relative;padding:84px 40px 72px;max-width:var(--container-max);margin:0 auto}
.pagehead .kicker{color:var(--on-dark-soft)}
.pagehead h1{font-family:var(--font-display);font-weight:700;font-size:52px;line-height:1.06;color:#fff;margin:16px 0 0;max-width:760px}
.pagehead p{font-weight:300;font-size:19px;line-height:1.55;color:var(--on-dark-soft);max-width:560px;margin:20px 0 0}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--on-dark-soft);font-weight:300}
.breadcrumb a{text-decoration:none;color:var(--on-dark-soft)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}

/* ---------- detailed service rows (alternating) ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:80px 0;border-top:1px solid var(--hairline)}
.feature-row:first-child{border-top:0}
.feature-row.flip .feature-media{order:2}
.feature-media{position:relative}
.feature-media image-slot{width:100%;height:420px;display:block}
.feature-copy .kicker{color:var(--primary)}
.feature-copy h2{font-family:var(--font-display);font-weight:700;font-size:36px;line-height:1.12;color:var(--ink);margin:14px 0 0}
.feature-copy p{font-weight:300;font-size:17px;line-height:1.6;color:var(--body);margin:18px 0 0;max-width:480px}
.feature-list{list-style:none;padding:0;margin:24px 0 0}
.feature-list li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px solid var(--hairline);font-weight:300;font-size:15px;color:var(--body)}
.feature-list li:last-child{border-bottom:0}
.feature-list .icon{width:19px;height:19px;color:var(--primary);flex:none;margin-top:3px}

/* ---------- wide fleet image band ---------- */
.fleet-band{background:var(--surface-soft)}
.fleet-band image-slot{width:100%;height:460px;display:block}

/* ---------- modes (corridors) ---------- */
.modes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mode-card{background:var(--canvas);border:1px solid var(--hairline)}
.mode-card image-slot{width:100%;height:180px;display:block}
.mode-card .mode-body{padding:22px 24px 26px}
.mode-card .icon{width:30px;height:30px;color:var(--primary)}
.mode-card h3{font-family:var(--font-display);font-weight:700;font-size:20px;color:var(--ink);margin:12px 0 8px}
.mode-card p{font-weight:300;font-size:14px;line-height:1.55;color:var(--body);margin:0}

/* corridor lanes table on its own page */
.lanes-table{border-top:1px solid var(--hairline)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:start}
.contact-info h3{font-family:var(--font-display);font-weight:700;font-size:22px;color:var(--ink);margin:0 0 18px}
.info-row{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--hairline)}
.info-row .icon{width:20px;height:20px;color:var(--primary);flex:none;margin-top:3px}
.info-row .l{font-family:var(--font-display);font-weight:700;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.info-row .v{font-weight:300;font-size:16px;color:var(--ink);line-height:1.5}
.info-row .v a{color:var(--primary);text-decoration:none}
.info-row .v a:hover{text-decoration:underline}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.textarea{min-height:120px;padding:14px 16px;border:1px solid var(--hairline);border-radius:0;font-family:var(--font-body);font-weight:300;font-size:16px;color:var(--ink);background:var(--canvas);outline:none;resize:vertical;transition:border-color .15s ease}
.textarea:focus{border:1.5px solid var(--ink)}
.textarea::placeholder{color:var(--muted-soft)}

/* image-slot empty-state defaults to brand */
image-slot{--is-bg:var(--surface-card);background:var(--surface-card);border:1px dashed var(--hairline-strong)}

@media(max-width:920px){
  .svc-grid,.modes-grid{grid-template-columns:1fr}
  .corridor-grid,.quote-grid,.feature-row,.contact-grid{grid-template-columns:1fr;gap:36px}
  .feature-row.flip .feature-media{order:0}
  .field-row{grid-template-columns:1fr}
  .hero h1{font-size:42px}
  .pagehead h1{font-size:38px}
  .feature-media image-slot,.fleet-band image-slot{height:300px}
  .nav-menu{display:none}
}

/* ---------- floating WhatsApp button (site-wide, brand navy) ---------- */
.wa-fab{position:fixed;right:24px;bottom:24px;z-index:900;width:60px;height:60px;border-radius:9999px;
  background:var(--surface-dark);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(7,18,32,.32);transition:transform .18s ease,box-shadow .18s ease,background .18s ease}
.wa-fab svg{display:block}
.wa-fab:hover{transform:translateY(-3px) scale(1.04);background:var(--primary);box-shadow:0 10px 26px rgba(21,94,171,.42)}
.wa-fab:active{transform:translateY(-1px) scale(1)}
.wa-fab::after{content:"";position:absolute;inset:0;border-radius:9999px;border:2px solid var(--primary);
  opacity:.5;animation:wa-pulse 2.4s ease-out infinite}
@keyframes wa-pulse{0%{transform:scale(1);opacity:.45}70%{transform:scale(1.5);opacity:0}100%{opacity:0}}
@media(max-width:620px){.wa-fab{right:16px;bottom:16px;width:54px;height:54px}}
@media(prefers-reduced-motion:reduce){.wa-fab::after{animation:none;display:none}}

/* ============================================================
   PRODUCTION ADDITIONS (static build) — additions only; every
   original design rule above is unchanged.
     1) real <img> in place of the prototype's <image-slot>
     2) mobile navigation (hamburger + drawer)
     3) GSAP entrance-animation initial state (safe to delete)
   ============================================================ */

/* 1) <image-slot> → real <img>, same boxes the prototype used */
.axhero-bgslot img{width:100%;height:100%;object-fit:cover;display:block}
.bento-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.feature-media img{width:100%;height:420px;object-fit:cover;display:block}
.cust-media img{width:100%;height:100%;min-height:420px;object-fit:cover;display:block}
@media(max-width:1040px){.cust-media img{min-height:300px}}
@media(max-width:920px){.feature-media img{height:300px}}

/* language dropdown: the React prototype only mounted the menu when open, so
   it never needed a hidden state. In static markup the menu always exists —
   so toggle it with the same .open class the trigger already drives. */
.lang-menu{display:none}
.lang-select.open .lang-menu{display:block}

/* 2) mobile navigation — hidden on desktop, replaces the hidden menu on phones */
@media(max-width:920px){.nav-right{margin-left:auto}}
.nav-toggle{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:10px}
.nav-toggle span{display:block;height:2px;width:22px;background:var(--ink);border-radius:2px;
  transition:transform .22s ease,opacity .18s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mobile{display:none;position:absolute;top:72px;left:0;right:0;background:var(--canvas);
  border-bottom:1px solid var(--hairline);box-shadow:0 16px 32px rgba(7,18,32,.12);
  flex-direction:column;padding:8px 0 22px;z-index:49}
.nav-mobile.open{display:flex}
.nav-mobile-item{font-family:var(--font-body);font-size:16px;color:var(--ink);text-decoration:none;
  padding:15px 40px;border-bottom:1px solid var(--hairline)}
.nav-mobile-item:hover,.nav-mobile-item.active{color:var(--primary)}
.nav-mobile .btn{margin:20px 40px 6px;height:50px}
@media(max-width:920px){
  .nav-toggle{display:flex}
  .nav-quote{display:none}
}
@media(max-width:420px){
  .container{padding:0 22px}
  .nav-mobile-item,.nav-mobile .btn{margin-left:22px;margin-right:22px;padding-left:0;padding-right:0}
  .nav-mobile-item{padding:15px 22px}
}

/* 3) GSAP reveal — elements stay hidden only while JS is set to animate them;
      if GSAP is unavailable or motion is reduced, they show normally. */
html.anim [data-animate]{opacity:0}
@media(prefers-reduced-motion:reduce){html.anim [data-animate]{opacity:1}}

/* 4) responsive refinements — the footer grid, footer baseline row and the
      segmented "mode" control had no mobile rules in the prototype. */
@media(max-width:920px){
  .footer-cols{grid-template-columns:1fr 1fr}
  .lang-trigger{min-height:44px}
}
@media(max-width:620px){
  .footer-cols{grid-template-columns:1fr;gap:32px}
  .footer-base{flex-direction:column;align-items:flex-start;gap:8px}
}
/* On very narrow phones the 4-up segmented control can't hold "Multimodal"
   (or the longer Russian "Мультимодальная") on one 48px line — go 2×2. */
@media(max-width:520px){
  .seg{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .seg button{border-left-width:1px}
}

/* 5) Logo sizing. Driven by height with width:auto, so the wordmark always
      keeps the file's exact proportions and is never stretched/squished.
      A smaller height on phones keeps it clear of the language picker + menu. */
@media(max-width:560px){
  .nav-in{gap:16px}
  .nav-logo{height:28px}
}
/* The logo is dark navy and both the header and footer sit on LIGHT
   backgrounds, so it shows as-is. If the logo is ever placed on a dark band,
   add class "logo-light" to that <img> to render it crisp white. */
.logo-light{filter:brightness(0) invert(1)}