/* Realcom - industrial freight system. Near-black base, signal yellow, red only for warnings/active. */
:root {
  --ink: #0e0e0d;
  --ink-2: #161614;
  --ink-3: #20201d;
  --paper: #f2efe8;
  --paper-2: #e6e1d6;
  --muted: #a8a49b;
  --muted-2: #5e5b54;
  --yellow: #ffc20e;
  --yellow-2: #e9ab00;
  --red: #c8102e;
  --line: rgba(255, 255, 255, .13);
  --f-display: "Alumni Sans", "Noto Sans SC", sans-serif;
  --f-body: "IBM Plex Sans", "Noto Sans SC", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", "Noto Sans SC", ui-monospace, monospace;
  --ds: 1;           /* display-size scale (CJK pages use smaller) */
  --dlh: .86;        /* display line height */
  --gut: clamp(20px, 4vw, 56px);
  --hdr: 76px;
  --ease: cubic-bezier(.2, .8, .2, 1);
}
html[lang^="zh"] {
  --f-display: "Noto Sans SC", sans-serif;
  --ds: .6;
  --dlh: 1.12;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font: 400 17px/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::after { /* film grain */
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 90;
  opacity: .055;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
button { font: inherit; }
::selection { background: var(--yellow); color: var(--ink); }
:focus-visible { outline: 2px solid var(--yellow); outline-offset: 3px; }

.wrap { width: 100%; max-width: 1400px; margin: 0 auto; padding: 0 var(--gut); }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 200; background: var(--yellow); color: var(--ink); padding: 10px 14px; }
.skip:focus { left: 8px; }

/* ---------- type ---------- */
.kicker {
  display: inline-flex; align-items: center; gap: 12px;
  font: 500 12.5px/1.2 var(--f-mono); letter-spacing: .16em; text-transform: uppercase;
  color: var(--yellow);
}
.kicker::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.h1, .h2, .h3 { font-family: var(--f-display); font-weight: 800; text-transform: uppercase; margin: 0; }
html[lang^="zh"] .h1, html[lang^="zh"] .h2, html[lang^="zh"] .h3 { font-weight: 900; letter-spacing: .02em; }
.h1 { font-size: calc(var(--ds) * clamp(66px, 11.4vw, 200px)); line-height: calc(var(--dlh) * .95); letter-spacing: -.005em; }
.h2 { font-size: calc(var(--ds) * clamp(48px, 6.8vw, 116px)); line-height: var(--dlh); }
.h3 { font-size: calc(var(--ds) * clamp(34px, 3.4vw, 54px)); line-height: calc(var(--dlh) * 1.04); }
.lead { font-size: clamp(16px, 1.3vw, 19px); color: #dedad1; max-width: 560px; }
.muted { color: var(--muted); }
.mono { font-family: var(--f-mono); }

/* ---------- buttons (corner-casting cut) ---------- */
.btn {
  --cut: 12px;
  display: inline-flex; align-items: center; gap: 14px;
  padding: 17px 24px;
  font: 600 13px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase;
  border: 0; cursor: pointer; white-space: nowrap;
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  transition: background .2s, color .2s;
}
.btn .arr { transition: transform .25s var(--ease); }
.btn:hover .arr { transform: translateX(5px); }
.btn--y { background: var(--yellow); color: var(--ink); }
.btn--y:hover { background: var(--paper); }
.btn--ghost { background: rgba(242, 239, 232, .08); color: var(--paper); box-shadow: inset 0 0 0 1px rgba(242, 239, 232, .4); }
.btn--ghost:hover { background: rgba(242, 239, 232, .18); }
.btn--k { background: var(--ink); color: var(--yellow); }
.btn--k:hover { background: var(--ink-3); color: var(--paper); }
.btn[disabled] { opacity: .6; cursor: progress; }

/* ---------- hazard tape ---------- */
.hz { height: 14px; background: repeating-linear-gradient(-45deg, var(--yellow) 0 14px, var(--ink) 14px 28px); }
.hz--thin { height: 6px; background: repeating-linear-gradient(-45deg, var(--yellow) 0 8px, var(--ink) 8px 16px); }

/* ---------- header ---------- */
.hdr { position: fixed; top: 0; left: 0; right: 0; z-index: 60; transition: background .35s; }
.hdr__in { height: var(--hdr); display: flex; align-items: center; gap: 26px; }
.hdr.is-solid { background: rgba(14, 14, 13, .93); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.hdr.is-solid::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: repeating-linear-gradient(-45deg, var(--yellow) 0 7px, transparent 7px 14px); opacity: .85;
}
.logo { display: flex; align-items: center; gap: 11px; flex: none; font: 800 31px/1 "Alumni Sans", sans-serif; letter-spacing: .09em; }
.logo svg { width: 30px; height: 30px; flex: none; }
.nav { display: flex; gap: 28px; margin-left: auto; font: 500 12.5px/1 var(--f-mono); text-transform: uppercase; letter-spacing: .13em; }
.nav a { position: relative; padding: 10px 0; color: #d8d4cb; transition: color .2s; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: 2px; height: 2px; width: 0; background: var(--yellow); transition: width .3s var(--ease); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--paper); }
.nav a:hover::after, .nav a[aria-current="page"]::after { width: 100%; }
.lang { display: flex; box-shadow: inset 0 0 0 1px rgba(242, 239, 232, .25); }
.lang a { font: 500 11.5px/1 var(--f-mono); letter-spacing: .08em; padding: 9px 10px; color: #bcb8ae; transition: color .2s, background .2s; }
.lang a:hover { color: var(--paper); }
.lang a[aria-current="true"] { background: var(--paper); color: var(--ink); }
.hdr .btn { padding: 14px 18px; font-size: 12px; }
.burger { display: none; margin-left: auto; width: 46px; height: 46px; background: none; border: 0; color: var(--paper); cursor: pointer; position: relative; }
.burger span, .burger::before, .burger::after { content: ""; position: absolute; left: 11px; right: 11px; height: 2px; background: currentColor; transition: transform .3s var(--ease), opacity .2s; }
.burger::before { top: 16px; } .burger span { top: 22px; } .burger::after { top: 28px; }
.menu-open .burger::before { transform: translateY(6px) rotate(45deg); }
.menu-open .burger span { opacity: 0; }
.menu-open .burger::after { transform: translateY(-6px) rotate(-45deg); }
.drawer {
  position: fixed; inset: 0; z-index: 55; background: var(--ink);
  padding: calc(var(--hdr) + 28px) var(--gut) 32px;
  display: flex; flex-direction: column; gap: 28px;
  transform: translateY(-100%); transition: transform .5s var(--ease);
  visibility: hidden;
}
.menu-open .drawer { transform: none; visibility: visible; }
.menu-open { overflow: hidden; }
.drawer nav { display: flex; flex-direction: column; }
.drawer nav a { font: 800 calc(var(--ds) * 64px)/1.05 var(--f-display); text-transform: uppercase; border-bottom: 1px solid var(--line); padding: 10px 0; }
.drawer nav a[aria-current="page"] { color: var(--yellow); }
.drawer .lang { align-self: flex-start; }
.drawer .btn { align-self: flex-start; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; isolation: isolate; }
.hero__media { position: absolute; inset: 0; z-index: -2; background: var(--ink-2) center/cover no-repeat; }
.hero__media video { width: 100%; height: 100%; object-fit: cover; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(14, 14, 13, .62) 0, rgba(14, 14, 13, .08) 26%, rgba(14, 14, 13, .3) 58%, rgba(14, 14, 13, .95) 100%),
    linear-gradient(90deg, rgba(14, 14, 13, .6) 0, rgba(14, 14, 13, 0) 62%);
}
.frame { position: absolute; inset: calc(var(--hdr) + 18px) var(--gut) 132px; pointer-events: none; z-index: -1; }
.frame i { position: absolute; width: 26px; height: 26px; border-color: rgba(242, 239, 232, .55); border-style: solid; border-width: 0; }
.frame i:nth-child(1) { top: 0; left: 0; border-top-width: 2px; border-left-width: 2px; }
.frame i:nth-child(2) { top: 0; right: 0; border-top-width: 2px; border-right-width: 2px; }
.frame i:nth-child(3) { bottom: 0; left: 0; border-bottom-width: 2px; border-left-width: 2px; }
.frame i:nth-child(4) { bottom: 0; right: 0; border-bottom-width: 2px; border-right-width: 2px; }
.rec { position: absolute; top: calc(var(--hdr) + 30px); right: calc(var(--gut) + 40px); font: 500 11px/1 var(--f-mono); letter-spacing: .18em; color: rgba(242, 239, 232, .7); display: flex; align-items: center; gap: 8px; }
.rec::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--red); animation: blink 1.6s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero__body { padding-top: calc(var(--hdr) + 90px); padding-bottom: clamp(28px, 5vh, 52px); }
.h1 .ln { display: block; overflow: hidden; padding-bottom: .03em; }
.h1 .ln > span { display: block; transform: translateY(108%); animation: rise 1s var(--ease) forwards; }
.h1 .ln:nth-child(2) > span { animation-delay: .1s; }
.h1 .ln:nth-child(3) > span { animation-delay: .2s; }
.h1 .hl { color: var(--yellow); }
@keyframes rise { to { transform: none; } }
.hero .h1 { margin-top: 20px; }
.hero__row { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px 48px; margin-top: 30px; flex-wrap: wrap; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }
.fade-up { opacity: 0; transform: translateY(18px); animation: fadeup .9s var(--ease) .45s forwards; }
@keyframes fadeup { to { opacity: 1; transform: none; } }

/* ---------- container train ticker ---------- */
.train { position: relative; background: var(--ink); overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.train::before, .train::after { content: ""; position: absolute; top: 0; bottom: 0; width: 90px; z-index: 2; pointer-events: none; }
.train::before { left: 0; background: linear-gradient(90deg, var(--ink), transparent); }
.train::after { right: 0; background: linear-gradient(-90deg, var(--ink), transparent); }
.train__track { display: flex; width: max-content; padding: 12px 0; animation: roll 70s linear infinite; }
.train:hover .train__track { animation-play-state: paused; }
@keyframes roll { to { transform: translateX(-50%); } }
.car {
  position: relative; display: flex; align-items: center; gap: 14px;
  height: 62px; margin-right: 12px; padding: 0 24px 0 16px;
  background: repeating-linear-gradient(90deg, #1b1b19 0 11px, #262623 11px 13px, #1b1b19 13px 16px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .14), inset 0 3px 0 rgba(255, 255, 255, .05);
}
.car::after { content: ""; position: absolute; right: -12px; top: 50%; width: 12px; height: 3px; background: #4b4a45; }
.car b { font: 700 11px/1 var(--f-mono); color: var(--ink); background: var(--yellow); padding: 5px 6px; letter-spacing: .06em; }
.car span { font: 800 calc(var(--ds) * 30px)/1 var(--f-display); text-transform: uppercase; letter-spacing: .05em; white-space: nowrap; }
.car--hub { background: var(--yellow); color: var(--ink); box-shadow: none; }
.car--hub b { background: var(--ink); color: var(--yellow); }

/* ---------- sections ---------- */
.sec { position: relative; padding: clamp(88px, 11vw, 168px) 0; }
.sec--paper { background: var(--paper); color: var(--ink); }
.sec--paper .kicker { color: var(--red); }
.sec--paper .lead, .sec--paper .sec-sub { color: var(--muted-2); }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px 40px; flex-wrap: wrap; margin-bottom: clamp(40px, 5vw, 76px); }
.sec-head .h2 { margin-top: 16px; }
.sec-sub { max-width: 440px; color: var(--muted); }
.link-arr { display: inline-flex; align-items: center; gap: 10px; font: 600 12.5px/1 var(--f-mono); letter-spacing: .13em; text-transform: uppercase; padding: 10px 0; border-bottom: 2px solid currentColor; }
.link-arr .arr { transition: transform .25s var(--ease); }
.link-arr:hover .arr { transform: translateX(5px); }

/* reveal (JS adds .js to <html>; content stays visible without JS) */
.js .reveal { opacity: 0; transform: translateY(30px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- directions ---------- */
.dirs { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--line); }
.dir { position: relative; min-height: clamp(460px, 68vh, 680px); overflow: hidden; display: flex; flex-direction: column; justify-content: space-between; padding: clamp(24px, 3vw, 44px); isolation: isolate; background: var(--ink-2); }
.dir video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; filter: saturate(.75) brightness(.78); transition: transform 1.4s var(--ease), filter .8s; }
.dir::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(14, 14, 13, .5) 0, rgba(14, 14, 13, .15) 40%, rgba(14, 14, 13, .93) 100%); }
.dir:hover video { transform: scale(1.05); filter: saturate(1) brightness(.92); }
.dir__top { display: flex; justify-content: space-between; align-items: center; gap: 12px; font: 500 12px/1 var(--f-mono); letter-spacing: .15em; text-transform: uppercase; }
.dir__top em { font-style: normal; color: var(--ink); background: var(--yellow); padding: 6px 8px; }
.dir--exp .dir__top em { background: var(--paper); }
.dir__word { font: 800 calc(var(--ds) * clamp(80px, 10.5vw, 176px))/.8 var(--f-display); text-transform: uppercase; color: transparent; -webkit-text-stroke: 1.5px var(--yellow); letter-spacing: .01em; margin: 24px 0; }
html[lang^="zh"] .dir__word { font-weight: 900; line-height: 1; }
.dir--exp .dir__word { -webkit-text-stroke-color: var(--paper); }
.dir h3 { margin-bottom: 14px; }
.dir p { max-width: 460px; color: #dcd8cf; }

/* ---------- service cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px, 1.6vw, 24px); }
.card { position: relative; display: flex; flex-direction: column; min-height: clamp(480px, 44vw, 600px); overflow: hidden; background: var(--ink); color: var(--paper); isolation: isolate; }
.card picture, .card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform 1.2s var(--ease); }
.card::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(14, 14, 13, .05) 0, rgba(14, 14, 13, .25) 45%, rgba(14, 14, 13, .94) 100%); }
.card::after { content: ""; position: absolute; left: 0; bottom: 0; height: 6px; width: 100%; background: var(--yellow); transform: scaleX(.16); transform-origin: left; transition: transform .6s var(--ease); }
.card:hover::after { transform: scaleX(1); }
.card:hover img { transform: scale(1.06); }
.card__num { position: absolute; top: 18px; right: 22px; font: 800 clamp(96px, 9vw, 140px)/.8 "Alumni Sans", sans-serif; color: transparent; -webkit-text-stroke: 1.5px rgba(242, 239, 232, .75); }
.card__body { margin-top: auto; padding: clamp(22px, 2.4vw, 32px); }
.card p { color: #cfcbc2; margin: 12px 0 22px; max-width: 340px; }
.card__go { display: inline-flex; align-items: center; gap: 10px; font: 600 12px/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--yellow); }
.card__go .arr { transition: transform .25s var(--ease); }
.card:hover .card__go .arr { transform: translateX(5px); }

/* ---------- geography ---------- */
.geo { background: radial-gradient(rgba(242, 239, 232, .12) 1px, transparent 1.3px) 0 0/22px 22px, var(--ink); overflow: hidden; }
.geo__grid { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: clamp(28px, 4vw, 72px); align-items: center; }
.map { width: 100%; height: auto; overflow: visible; }
.map .spoke { stroke: rgba(242, 239, 232, .32); stroke-width: 1.4; stroke-dasharray: 3 7; fill: none; animation: flow 1.4s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -20; } }
.map .corr-glow { stroke: rgba(255, 194, 14, .16); stroke-width: 16; fill: none; }
.map .corr { stroke: var(--yellow); stroke-width: 3; fill: none; }
.map .corr-ties { stroke: var(--yellow); stroke-width: 11; stroke-dasharray: 1.5 9; fill: none; opacity: .55; }
.map .node circle { fill: var(--ink); stroke: var(--paper); stroke-width: 2; }
.map .node .code { font: 700 17px var(--f-mono); fill: var(--paper); letter-spacing: .04em; }
.map .node .name { font: 500 13px var(--f-mono); fill: #a9a59b; letter-spacing: .06em; text-transform: uppercase; }
.map .node--cn circle { fill: var(--yellow); stroke: var(--yellow); }
.map .hub .core { fill: var(--yellow); }
.map .hub .ring { fill: none; stroke: var(--yellow); stroke-width: 2; transform-box: fill-box; transform-origin: center; animation: ping 2.4s var(--ease) infinite; }
.map .hub .ring:nth-of-type(2) { animation-delay: 1.2s; }
@keyframes ping { from { transform: scale(.6); opacity: .9; } to { transform: scale(2.6); opacity: 0; } }
.map .hub .code { font-size: 22px; fill: var(--yellow); }
.map .wagon rect { rx: 1.5; }
.map .wagon--imp rect { fill: var(--yellow); stroke: var(--ink); stroke-width: 1.5; }
.map .wagon--exp rect { fill: var(--red); stroke: var(--ink); stroke-width: 1.5; }
.legend { display: flex; flex-direction: column; gap: 14px; margin: 28px 0 34px; padding: 22px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font: 500 13px/1.35 var(--f-mono); letter-spacing: .04em; }
.legend span { display: flex; align-items: center; gap: 14px; }
.legend i { width: 22px; height: 12px; flex: none; box-shadow: 0 0 0 1.5px var(--ink); }
.legend .li-imp { background: var(--yellow); }
.legend .li-exp { background: var(--red); }
.legend .li-note { color: var(--muted); }
.groups { display: grid; gap: 20px; }
.groups h4 { margin: 0 0 10px; font: 600 11.5px/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--yellow); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 0; }
.chips li { font: 500 13px/1 var(--f-mono); padding: 8px 10px; box-shadow: inset 0 0 0 1px rgba(242, 239, 232, .22); display: flex; gap: 8px; }
.chips li b { color: var(--yellow); font-weight: 700; }

/* ---------- clients ---------- */
.clients { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(12px, 1.4vw, 22px); }
.client { margin: 0; }
.client__img { position: relative; aspect-ratio: 3 / 4; overflow: hidden; background: var(--paper-2); }
.client__img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.55) contrast(1.05); transition: filter .8s, transform 1.2s var(--ease); }
.client:hover .client__img img { filter: none; transform: scale(1.04); }
.client__img em { position: absolute; left: 0; top: 0; font: 700 12px/1 var(--f-mono); font-style: normal; background: var(--ink); color: var(--yellow); padding: 8px 10px; }
.client figcaption { margin-top: 16px; padding-top: 14px; border-top: 2px solid var(--ink); font: 800 calc(var(--ds) * clamp(24px, 2.1vw, 32px))/calc(var(--dlh) * 1.1) var(--f-display); text-transform: uppercase; }

/* ---------- container door CTA ---------- */
.door { position: relative; background: var(--yellow); color: var(--ink); overflow: hidden; isolation: isolate; }
.door::before { /* trapezoid corrugation, light from the upper left, dirt settling at the bottom */
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(0deg, rgba(90, 58, 0, .2), rgba(90, 58, 0, 0) 22%),
    radial-gradient(120% 90% at 18% 0%, rgba(255, 255, 255, .2), rgba(255, 255, 255, 0) 55%),
    repeating-linear-gradient(90deg,
      rgba(255, 255, 255, 0) 0 20px, rgba(255, 255, 255, .34) 20px 23px, rgba(255, 255, 255, .1) 23px 25px,
      rgba(0, 0, 0, .05) 25px 45px, rgba(0, 0, 0, .2) 45px 48px, rgba(0, 0, 0, .07) 48px 50px, rgba(0, 0, 0, 0) 50px 56px);
}
.door__defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.door__frame { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
/* painted frame: header rail, sill, corner posts, corner castings, hinges */
.door__hdr, .door__sill { position: absolute; left: 0; right: 0; z-index: 2; }
.door__hdr { top: 0; height: 30px; background: linear-gradient(180deg, #ffdc62 0, #f7bd00 42%, #d49800 100%); box-shadow: 0 7px 12px -5px rgba(70, 45, 0, .5); }
.door__sill { bottom: 0; height: 34px; background: linear-gradient(180deg, #b98300 0, #eeb200 16%, #ffd23c 30%, #e7aa00 62%, #c18a00 100%); box-shadow: 0 -6px 12px -5px rgba(70, 45, 0, .45); }
.door__hdr::after, .door__sill::after { /* rivet row */
  content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 8px; transform: translateY(-50%);
  background: radial-gradient(circle at 4px 4px, #fff3c4 0 .9px, #d9a200 1.6px, #8c6500 2.8px, transparent 3.3px) 18px 0 / 72px 8px repeat-x;
}
.door__post { position: absolute; top: 0; bottom: 0; width: 30px; z-index: 1; background: linear-gradient(90deg, #b07e00, #f3b700 18%, #ffd648 40%, #f0b300 70%, #a97900); }
.door__post--l { left: 0; box-shadow: 8px 0 12px -6px rgba(70, 45, 0, .5); }
.door__post--r { right: 0; box-shadow: -8px 0 12px -6px rgba(70, 45, 0, .5); }
.cast { position: absolute; z-index: 3; width: 54px; height: 46px; filter: drop-shadow(2px 3px 3px rgba(70, 45, 0, .45)); }
.cast--tl { top: 0; left: 0; } .cast--tr { top: 0; right: 0; }
.cast--bl { bottom: 0; left: 0; } .cast--br { bottom: 0; right: 0; }
.hinge { position: absolute; z-index: 2; width: 58px; height: 48px; margin-top: -24px; filter: drop-shadow(3px 4px 3px rgba(70, 45, 0, .45)); }
.hinge--l { left: 12px; }
.hinge--r { right: 12px; transform: scaleX(-1); }
.door__seam { /* the two door leaves meet: flange, rubber gasket, overlap highlight */
  position: absolute; top: 30px; bottom: 34px; left: 50%; width: 14px; transform: translateX(-50%);
  background: linear-gradient(90deg, rgba(90, 58, 0, .16), rgba(90, 58, 0, .04) 30%, rgba(110, 72, 0, .55) 44%, rgba(110, 72, 0, .55) 54%, rgba(255, 255, 255, .38) 60%, rgba(255, 255, 255, .06) 76%, rgba(90, 58, 0, .14));
}
/* locking gear: galvanised rods, cam keepers, guide brackets, handle + latch */
.lock { position: absolute; top: 0; bottom: 0; width: 0; z-index: 1; }
.lock--l.lock--outer { left: clamp(80px, 6.2vw, 116px); }
.lock--l.lock--inner { left: clamp(236px, 17vw, 310px); }
.lock--r.lock--outer { right: clamp(80px, 6.2vw, 116px); }
.lock--r.lock--inner { right: clamp(236px, 17vw, 310px); }
.lock__rod {
  position: absolute; top: 40px; bottom: 44px; left: -9px; width: 18px;
  background: linear-gradient(90deg, #26292a, #5b6061 16%, #b9bebf 36%, #eef1f1 46%, #a3a8a9 58%, #4f5455 80%, #202324);
}
.lock__rod::before { /* faint galvanising streaks */
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(180deg, rgba(255, 255, 255, 0) 0 37px, rgba(255, 255, 255, .07) 37px 39px, rgba(0, 0, 0, .04) 39px 41px, rgba(255, 255, 255, 0) 41px 83px);
}
.lock__rod::after { /* cast shadow on the corrugation */
  content: ""; position: absolute; top: 8px; bottom: -6px; left: 100%; width: 20px;
  background: linear-gradient(90deg, rgba(70, 45, 0, .42), rgba(70, 45, 0, 0));
}
.lock svg { position: absolute; overflow: visible; max-width: none; }
.lock__keeper { left: -26px; width: 52px; height: 62px; filter: drop-shadow(3px 4px 3px rgba(70, 45, 0, .45)); }
.lock__keeper--t { top: 16px; }
.lock__keeper--b { bottom: 20px; transform: scaleY(-1); }
.lock__guide { left: -23px; width: 46px; height: 30px; margin-top: -15px; filter: drop-shadow(3px 4px 3px rgba(70, 45, 0, .42)); }
.lock__handle { top: 50%; left: -15px; width: 140px; height: 46px; margin-top: -23px; filter: drop-shadow(5px 7px 4px rgba(70, 45, 0, .45)); }
.lock--r .lock__handle { transform: scaleX(-1); transform-origin: 15px 50%; filter: drop-shadow(-5px 7px 4px rgba(70, 45, 0, .45)); }
.door__in { position: relative; z-index: 4; max-width: 900px; margin: 0 auto; padding: clamp(104px, 12vw, 184px) var(--gut); text-align: center; }
.door__plate { display: inline-block; font: 600 12px/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase; padding: 9px 12px; box-shadow: inset 0 0 0 2px var(--ink); margin-bottom: 26px; background: rgba(255, 255, 255, .25); }
.door__plate .nw { white-space: nowrap; }
.door .h2 { font-size: calc(var(--ds) * clamp(52px, 7.4vw, 124px)); }
.door p { font-size: clamp(17px, 1.4vw, 20px); margin: 22px auto 34px; max-width: 540px; }

/* ---------- footer ---------- */
.ftr { background: #090908; padding: clamp(64px, 7vw, 96px) 0 28px; overflow: hidden; }
.ftr__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.ftr h4 { margin: 0 0 16px; font: 600 11.5px/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--yellow); }
.ftr ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.ftr ul a { color: #cfcbc2; transition: color .2s; }
.ftr ul a:hover, .ftr ul a[aria-current] { color: var(--paper); }
.ftr__tag { margin-top: 18px; color: var(--muted); max-width: 360px; }
.ftr__word { margin-top: clamp(48px, 6vw, 80px); font: 800 clamp(88px, 21vw, 360px)/.76 "Alumni Sans", sans-serif; letter-spacing: .03em; color: transparent; -webkit-text-stroke: 1px rgba(242, 239, 232, .2); user-select: none; white-space: nowrap; }
.ftr__base { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); font: 400 12px/1.5 var(--f-mono); color: #8a877f; }

/* ---------- services page ---------- */
.phero { min-height: 84vh; min-height: 84svh; }
.tabs { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 40px; border-top: 1px solid rgba(242, 239, 232, .28); }
.tab { display: flex; align-items: baseline; gap: 16px; padding: 22px 18px 24px 0; border-right: 1px solid rgba(242, 239, 232, .18); transition: background .25s, padding .25s; }
.tab + .tab { padding-left: 18px; }
.tab:last-child { border-right: 0; }
.tab b { font: 600 12px/1 var(--f-mono); color: var(--yellow); letter-spacing: .1em; }
.tab span { font: 800 calc(var(--ds) * clamp(28px, 2.6vw, 40px))/1 var(--f-display); text-transform: uppercase; }
.tab:hover { background: rgba(255, 194, 14, .1); }
.svc { display: grid; grid-template-columns: 1.08fr 1fr; gap: clamp(32px, 5.5vw, 96px); align-items: center; padding: clamp(80px, 9vw, 144px) 0; border-top: 1px solid var(--line); scroll-margin-top: var(--hdr); }
.svc:first-child { border-top: 0; }
.svc--flip .svc__media { order: 2; }
.svc__media { position: relative; }
.shot { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--ink-2); }
.shot video, .shot img { width: 100%; height: 100%; object-fit: cover; }
.shot::after { content: ""; position: absolute; inset: 14px; border: 1px solid rgba(242, 239, 232, .22); pointer-events: none; }
.svc__tag { position: absolute; left: 0; top: 0; z-index: 2; font: 600 11.5px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; background: var(--ink); color: var(--yellow); padding: 9px 11px; }
.collage { padding-bottom: 14%; }
.collage .shot--b { position: absolute; right: -4%; bottom: 0; width: 46%; aspect-ratio: 4 / 3; box-shadow: 0 0 0 8px var(--ink); }
.svc__num { font: 800 clamp(96px, 11vw, 176px)/.8 "Alumni Sans", sans-serif; color: transparent; -webkit-text-stroke: 1.5px var(--yellow); margin-bottom: 18px; }
.svc .h2 { font-size: calc(var(--ds) * clamp(44px, 4.8vw, 80px)); }
.svc__text { margin-top: 22px; color: #d6d2c9; max-width: 560px; font-size: clamp(16px, 1.2vw, 18px); }
.svc__list { margin-top: 30px; }
.svc__list h4 { margin: 0 0 6px; font: 600 11.5px/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.svc ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.svc li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.svc li::before { content: ""; width: 9px; height: 9px; background: var(--yellow); margin-top: 8px; flex: none; }
.svc__note { margin-top: 28px; padding: 14px 0 14px 18px; border-left: 3px solid var(--yellow); font: 500 14px/1.5 var(--f-mono); color: #d6d2c9; }
.svc .btn { margin-top: 34px; }

/* process rail */
.rail { --p: 0; margin-top: 12px; }
.rail__track { position: relative; height: 34px; margin: 0 0 30px; }
.rail__track::before { /* sleepers */
  content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 22px; transform: translateY(-50%);
  background: repeating-linear-gradient(90deg, #4a4843 0 9px, transparent 9px 30px);
}
.rail__track::after { /* two rails */
  content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 12px; transform: translateY(-50%);
  border-top: 2px solid #9a968c; border-bottom: 2px solid #9a968c;
}
.rail__wagon {
  position: absolute; z-index: 2; top: 50%; left: calc(var(--p) * (100% - 104px)); width: 104px; height: 40px; transform: translateY(-62%);
  background: repeating-linear-gradient(90deg, var(--yellow) 0 8px, var(--yellow-2) 8px 10px); box-shadow: 0 0 0 2px var(--ink), 0 10px 22px rgba(0, 0, 0, .5);
}
.rail__wagon::after { content: "RC"; position: absolute; left: 8px; top: 7px; font: 700 11px/1 var(--f-mono); color: var(--ink); }
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: clamp(12px, 1.6vw, 24px); list-style: none; margin: 0; padding: 0; }
.step { border-top: 3px solid rgba(242, 239, 232, .18); padding-top: 18px; transition: border-color .4s; }
.step.is-on { border-color: var(--yellow); }
.step b { font: 600 12px/1 var(--f-mono); color: var(--yellow); letter-spacing: .1em; }
.step h3 { margin: 12px 0 10px; font-size: calc(var(--ds) * clamp(30px, 2.6vw, 40px)); }
.step p { color: var(--muted); font-size: 15.5px; }

/* cargo */
.cargo { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: rgba(14, 14, 13, .16); box-shadow: 0 0 0 2px rgba(14, 14, 13, .16); list-style: none; margin: 0; padding: 0; }
.cargo li { background: var(--paper); padding: clamp(26px, 2.6vw, 38px); min-height: 250px; display: flex; flex-direction: column; justify-content: space-between; gap: 40px; transition: background .3s; }
.cargo li:hover { background: var(--yellow); }
.cargo svg { width: 58px; height: 58px; fill: none; stroke: var(--ink); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.cargo h3 { font-size: calc(var(--ds) * clamp(28px, 2.4vw, 38px)); }
.cargo small { font: 600 11.5px/1 var(--f-mono); letter-spacing: .12em; color: var(--muted-2); }

/* sticky rate bar */
.sticky { position: fixed; left: 0; right: 0; bottom: 0; z-index: 45; background: rgba(14, 14, 13, .96); border-top: 3px solid var(--yellow); transform: translateY(110%); transition: transform .4s var(--ease); }
.sticky.is-on { transform: none; }
.sticky__in { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 70px; }
.sticky p { font: 800 calc(var(--ds) * clamp(22px, 2vw, 30px))/1 var(--f-display); text-transform: uppercase; }
.sticky .btn { padding: 14px 18px; font-size: 12px; }

/* ---------- contact page ---------- */
.contact { display: grid; grid-template-columns: 5fr 7fr; min-height: 100vh; }
.contact__side { position: sticky; top: 0; height: 100vh; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; padding: calc(var(--hdr) + 40px) clamp(24px, 3.4vw, 52px) clamp(28px, 4vh, 48px); isolation: isolate; }
.contact__side img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.contact__side::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(14, 14, 13, .45) 0, rgba(14, 14, 13, .1) 30%, rgba(14, 14, 13, .9) 78%); }
.cinfo { list-style: none; margin: 18px 0 0; padding: 0; border-top: 1px solid rgba(242, 239, 232, .3); }
.cinfo li { display: grid; gap: 6px; padding: 14px 0; border-bottom: 1px solid rgba(242, 239, 232, .2); }
.cinfo small { font: 500 11.5px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: #cfcbc2; }
.cinfo strong { font: 800 calc(var(--ds) * 30px)/1 var(--f-display); text-transform: uppercase; }
.tba { font: 500 13px/1 var(--f-mono); color: #bdb9b0; letter-spacing: .04em; }
.tba::before { content: "[ "; } .tba::after { content: " ]"; }
.contact__main { background: var(--paper); color: var(--ink); padding: calc(var(--hdr) + 64px) clamp(24px, 5.5vw, 96px) clamp(56px, 7vw, 96px); }
.contact__main .kicker { color: var(--red); }
.contact__main .h1 { font-size: calc(var(--ds) * clamp(60px, 7.2vw, 128px)); margin-top: 18px; }
.contact__main .lead { color: var(--muted-2); margin-top: 18px; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; margin-top: 40px; }
.fld { display: flex; flex-direction: column; gap: 8px; }
.fld--full { grid-column: 1 / -1; }
.fld label { font: 600 11.5px/1 var(--f-mono); letter-spacing: .13em; text-transform: uppercase; }
.fld label i { color: var(--red); font-style: normal; }
.fld input, .fld textarea {
  width: 100%; font: 400 17px/1.45 var(--f-body); color: var(--ink);
  padding: 16px; background: #fbfaf7; border: 1.5px solid #c9c3b6; border-radius: 0; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.fld textarea { min-height: 180px; resize: vertical; }
.fld input:focus, .fld textarea:focus { border-color: var(--ink); box-shadow: 5px 5px 0 var(--yellow); }
.fld.is-bad input, .fld.is-bad textarea { border-color: var(--red); }
.err { min-height: 16px; font: 500 12px/1.3 var(--f-mono); color: var(--red); }
.form__foot { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 18px 28px; flex-wrap: wrap; margin-top: 4px; }
.consent { font-size: 13.5px; color: var(--muted-2); max-width: 420px; }
.form__status { grid-column: 1 / -1; font: 500 13px/1.4 var(--f-mono); color: var(--red); min-height: 18px; }
.form.is-done { display: none; }
.done { display: none; margin-top: 40px; padding: clamp(28px, 3vw, 44px); background: var(--ink); color: var(--paper); position: relative; }
.done.is-on { display: block; }
.done::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 8px; background: repeating-linear-gradient(-45deg, var(--yellow) 0 8px, var(--ink) 8px 16px); }
.done .h3 { color: var(--yellow); }
.done p { margin-top: 14px; color: #d6d2c9; }
.done__demo { font: 500 13px/1.5 var(--f-mono); color: var(--muted) !important; }
.done button { margin-top: 22px; background: none; border: 0; color: var(--paper); padding: 0; cursor: pointer; }
.legal { margin-top: clamp(56px, 7vw, 88px); border-top: 2px solid var(--ink); padding-top: 26px; }
.legal h2 { margin: 0 0 18px; font: 600 12px/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--red); }
.legal dl { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 0; }
.legal div { padding: 16px; border: 1.5px dashed #b9b3a6; }
.legal dt { font: 600 11.5px/1.3 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; }
.legal dd { margin: 8px 0 0; font: 400 14px/1.4 var(--f-mono); color: var(--muted-2); }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .nav, .hdr .lang, .hdr .btn { display: none; }
  .burger { display: block; }
  .cards { grid-template-columns: 1fr 1fr; }
  .cards .card:last-child { grid-column: 1 / -1; min-height: 420px; }
  .clients { grid-template-columns: 1fr 1fr; }
  .geo__grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 28px; }
  .cargo { grid-template-columns: 1fr 1fr; }
  .ftr__grid { grid-template-columns: 1fr 1fr; }
  .ftr__grid > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 1180px) {
  .lock--inner { display: none; }
}
@media (max-width: 820px) {
  .dirs { grid-template-columns: 1fr; }
  .svc { grid-template-columns: 1fr; }
  .svc--flip .svc__media { order: 0; }
  .collage .shot--b { right: 0; width: 52%; }
  .contact { grid-template-columns: 1fr; }
  .contact__side { position: relative; height: auto; min-height: 62vh; }
  .door__seam, .hinge, .lock__handle { display: none; }
  .door__post { width: 16px; }
  .door__hdr { height: 22px; } .door__sill { height: 24px; }
  .cast { width: 36px; height: 31px; }
  .lock--l.lock--outer { left: 38px; } .lock--r.lock--outer { right: 38px; }
  .lock__rod { width: 14px; left: -7px; top: 30px; bottom: 32px; }
  .lock__keeper { width: 40px; height: 48px; left: -20px; }
  .lock__keeper--t { top: 10px; } .lock__keeper--b { bottom: 12px; }
  .lock__guide { width: 36px; height: 24px; left: -18px; margin-top: -12px; }
  .door__in { padding-left: 64px; padding-right: 64px; }
  .map .node .name { display: none; }
  .map .node .code { font-size: 22px; }
  .map .hub .code { font-size: 26px; }
  .tabs { grid-template-columns: 1fr; }
  .tab, .tab + .tab { padding: 16px 0; border-right: 0; border-bottom: 1px solid rgba(242, 239, 232, .18); }
  .rail__track { display: none; }
  .steps { grid-template-columns: 1fr; }
  .frame, .rec { display: none; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .cards { grid-template-columns: 1fr; }
  .cards .card:last-child { grid-column: auto; }
  .card { min-height: 440px; }
  .form { grid-template-columns: 1fr; }
  .legal dl { grid-template-columns: 1fr; }
  .cargo { grid-template-columns: 1fr; }
  .cargo li { min-height: 0; flex-direction: row; align-items: center; gap: 20px; }
  .ftr__grid { grid-template-columns: 1fr; }
  .sticky p { display: none; }
  .sticky .btn { width: 100%; justify-content: center; }
  .car { height: 54px; }
  .door__plate { font-size: 11px; letter-spacing: .08em; }
  .hero__cta .btn { flex: 1 1 auto; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .h1 .ln > span, .fade-up { transform: none; opacity: 1; }
  .js .reveal { opacity: 1; transform: none; }
}

/* ---------- small layout helpers ---------- */
.sec--flushb { padding-bottom: 0; }
.svcs { padding-top: clamp(8px, 2vw, 24px); padding-bottom: clamp(24px, 4vw, 56px); }
.geo__lead { margin-top: 20px; }
.map .hub .core { stroke: none; }
.sec.geo .steps + * { margin: 0; }