/* ==========================================================================
   Transboundary Shipping Company - tsclogistic.com
   "Port Manifest" design system
   ========================================================================== */

:root{
  --ink:#06121F;
  --ink-2:#0A1A2B;
  --steel:#0E2035;
  --steel-2:#152C46;
  --amber:#F2A200;
  --amber-d:#C98500;
  --sand:#F3EFE8;
  --sand-2:#E7E1D6;
  --slate:#8A9CB0;
  --white:#FFFFFF;
  --line:rgba(255,255,255,.12);
  --line-d:rgba(6,18,31,.14);

  --f-display:'Archivo','Arial Narrow',Helvetica,sans-serif;
  --f-body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --f-mono:'JetBrains Mono','SFMono-Regular',Consolas,monospace;

  --pad:clamp(20px,5vw,72px);
  --maxw:1320px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--ink);color:var(--sand);
  font-family:var(--f-body);font-size:17px;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:800;line-height:.98;
  letter-spacing:-.02em;text-transform:uppercase;margin:0}
p{margin:0 0 1.1em}
::selection{background:var(--amber);color:var(--ink)}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.sec{padding:clamp(72px,10vw,150px) 0;position:relative}
.sec--sand{background:var(--sand);color:var(--ink)}
.sec--sand p{color:#3C4A59}
.sec--steel{background:var(--steel)}

/* ---------- type scale ---------- */
.t-hero{font-size:clamp(3rem,9.2vw,8.4rem)}
.t-xl{font-size:clamp(2.4rem,6vw,5rem)}
.t-lg{font-size:clamp(1.9rem,3.6vw,3.1rem)}
.t-md{font-size:clamp(1.25rem,2vw,1.65rem)}
.lead{font-size:clamp(1.05rem,1.5vw,1.3rem);line-height:1.65;max-width:62ch;color:var(--slate)}
.sec--sand .lead{color:#44525F}

.tag{font-family:var(--f-mono);font-size:.7rem;font-weight:500;letter-spacing:.2em;
  text-transform:uppercase;color:var(--amber);display:flex;align-items:center;gap:14px;margin-bottom:26px}
.tag::after{content:"";height:1px;flex:1;max-width:120px;background:currentColor;opacity:.45}
.sec--sand .tag{color:var(--amber-d)}
.num{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.2em;color:var(--slate);opacity:.7}

.amber{color:var(--amber)}
.rule{height:1px;background:var(--line);border:0;margin:0}
.sec--sand .rule{background:var(--line-d)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:12px;font-family:var(--f-mono);
  font-size:.74rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;
  padding:17px 30px;border:1px solid var(--amber);color:var(--ink);background:var(--amber);
  position:relative;overflow:hidden;transition:color .35s var(--ease);cursor:pointer}
.btn span{position:relative;z-index:2}
.btn::before{content:"";position:absolute;inset:0;background:var(--ink);
  transform:translateY(101%);transition:transform .4s var(--ease);z-index:1}
.btn:hover{color:var(--amber)}
.btn:hover::before{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--sand);border-color:var(--line)}
.btn--ghost::before{background:var(--sand)}
.btn--ghost:hover{color:var(--ink);border-color:var(--sand)}
.sec--sand .btn--ghost{color:var(--ink);border-color:var(--line-d)}
.sec--sand .btn--ghost::before{background:var(--ink)}
.sec--sand .btn--ghost:hover{color:var(--sand)}
.btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

/* ---------- header ---------- */
.hdr{position:fixed;inset:0 0 auto;z-index:90;padding:18px 0;
  transition:background .4s var(--ease),padding .4s var(--ease)}
.hdr::after{content:"";position:absolute;inset:auto 0 0;height:1px;background:transparent;transition:background .4s}
.hdr.is-stuck{background:rgba(6,18,31,.92);backdrop-filter:blur(14px);padding:11px 0}
.hdr.is-stuck::after{background:var(--line)}
.hdr__in{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:13px}
.brand__mark{width:42px;height:42px;flex:none}
.brand__txt{font-family:var(--f-display);font-weight:800;font-size:.92rem;
  letter-spacing:-.01em;line-height:1.05;text-transform:uppercase}
.brand__txt small{display:block;font-family:var(--f-mono);font-weight:500;font-size:.55rem;
  letter-spacing:.2em;color:var(--slate);margin-top:3px}
.nav{display:flex;align-items:center;gap:34px}
.nav a{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--sand);opacity:.78;position:relative;padding:4px 0;transition:opacity .3s}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--amber);transition:width .35s var(--ease)}
.nav a:hover,.nav a[aria-current="page"]{opacity:1}
.nav a:hover::after,.nav a[aria-current="page"]::after{width:100%}
.hdr__cta{display:flex;align-items:center;gap:18px}
.hdr__tel{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.12em;color:var(--amber);white-space:nowrap}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:none;
  cursor:pointer;padding:0;position:relative}
.burger i{position:absolute;left:12px;width:20px;height:1.5px;background:var(--sand);transition:.35s var(--ease)}
.burger i:nth-child(1){top:17px}
.burger i:nth-child(2){top:25px}
.burger.is-open i:nth-child(1){top:21px;transform:rotate(45deg)}
.burger.is-open i:nth-child(2){top:21px;transform:rotate(-45deg)}

.mnav{position:fixed;inset:0;z-index:80;background:var(--ink);padding:110px var(--pad) 40px;
  display:flex;flex-direction:column;justify-content:space-between;
  clip-path:inset(0 0 100% 0);transition:clip-path .6s var(--ease);visibility:hidden}
.mnav.is-open{clip-path:inset(0 0 0 0);visibility:visible}
.mnav__link{font-family:var(--f-display);font-weight:800;text-transform:uppercase;
  font-size:clamp(1.9rem,8vw,3.2rem);line-height:1.1;display:block;padding:9px 0;
  border-bottom:1px solid var(--line)}
.mnav__link:hover{color:var(--amber)}
.mnav__foot{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;color:var(--slate);line-height:2}
.mnav__foot a{color:var(--amber)}

/* ---------- hero ---------- */
.hero{min-height:100svh;display:flex;align-items:flex-end;position:relative;
  padding:130px 0 44px;overflow:hidden;background:var(--ink)}
.hero__art{position:absolute;inset:0;z-index:0;display:grid;place-items:end center;opacity:.55}
.hero__art svg{width:118%;max-width:none;height:auto;transform:translateY(6%)}
.hero__glow{position:absolute;width:78vw;height:78vw;max-width:940px;max-height:940px;
  right:-16vw;top:-22vw;border-radius:50%;z-index:0;
  background:radial-gradient(circle,rgba(242,162,0,.16) 0%,rgba(242,162,0,0) 62%)}
.hero__grid{position:absolute;inset:0;z-index:0;opacity:.55;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:clamp(60px,7vw,110px) clamp(60px,7vw,110px);
  -webkit-mask-image:linear-gradient(to bottom,#000,transparent 78%);
  mask-image:linear-gradient(to bottom,#000,transparent 78%)}
.hero__in{position:relative;z-index:2;width:100%}
.hero h1{margin-bottom:26px}
.hero h1 .ln{display:block;overflow:hidden;padding:.04em 0 .09em;margin-bottom:-.09em}
.hero h1 .ln>span{display:block;transform:translateY(105%);animation:rise 1s var(--ease) forwards}
.hero h1 .ln:nth-child(2)>span{animation-delay:.1s}
.hero h1 .ln:nth-child(3)>span{animation-delay:.2s}
@keyframes rise{to{transform:translateY(0)}}
.hero__row{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,5vw,70px);
  align-items:end;border-top:1px solid var(--line);padding-top:30px;margin-top:44px}
.hero__meta{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:0}
.hero__meta dt{font-family:var(--f-mono);font-size:.63rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--slate);margin-bottom:8px}
.hero__meta dd{margin:0;font-family:var(--f-display);font-weight:800;
  font-size:clamp(.95rem,1.5vw,1.15rem);text-transform:uppercase;line-height:1.15}
.hero__scroll{position:absolute;right:var(--pad);bottom:44px;z-index:3;
  font-family:var(--f-mono);font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--slate);writing-mode:vertical-rl;display:flex;align-items:center;gap:12px}
.hero__scroll::after{content:"";width:1px;height:56px;background:linear-gradient(var(--amber),transparent)}

/* ---------- ticker ---------- */
.ticker{border-block:1px solid var(--line);background:var(--ink-2);
  padding:15px 0;overflow:hidden;white-space:nowrap;display:flex}
.ticker__t{display:flex;flex:none;align-items:center;gap:34px;padding-right:34px;
  animation:slide 42s linear infinite;font-family:var(--f-mono);font-size:.75rem;
  letter-spacing:.2em;text-transform:uppercase;color:var(--slate)}
.ticker__t b{color:var(--amber);font-weight:500}
@keyframes slide{to{transform:translateX(-100%)}}
.ticker--light{background:var(--sand-2);border-color:var(--line-d)}
.ticker--light .ticker__t{color:#5C6B7A}
.ticker--light .ticker__t b{color:var(--amber-d)}

/* ---------- split intro ---------- */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,6vw,90px)}
.split__aside{position:sticky;top:120px;align-self:start}

/* ---------- service index ---------- */
.svc{border-top:1px solid var(--line-d)}
.svc__item{display:grid;grid-template-columns:76px 1fr auto;gap:clamp(16px,3vw,48px);
  align-items:start;padding:clamp(26px,3.6vw,44px) 0;border-bottom:1px solid var(--line-d);
  position:relative;transition:padding-left .45s var(--ease)}
.svc__item::before{content:"";position:absolute;left:-100vw;top:0;bottom:0;right:-100vw;
  background:var(--ink);transform:scaleY(0);transform-origin:bottom;
  transition:transform .45s var(--ease);z-index:0}
.svc__item:hover::before{transform:scaleY(1);transform-origin:top}
.svc__item>*{position:relative;z-index:1}
.svc__item:hover{padding-left:20px}
.svc__item:hover .svc__n{color:var(--amber)}
.svc__item:hover h3{color:var(--sand)}
.svc__item:hover p{color:var(--slate)}
.svc__item:hover .svc__go{border-color:var(--amber);color:var(--amber)}
.svc__n{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.14em;color:#93A1AE;padding-top:8px;transition:color .4s}
.svc__item h3{font-size:clamp(1.5rem,3.2vw,2.5rem);margin-bottom:12px;transition:color .4s}
.svc__item p{max-width:64ch;margin:0;color:#4A5866;font-size:.98rem;transition:color .4s}
.svc__go{width:52px;height:52px;border:1px solid var(--line-d);display:grid;place-items:center;
  flex:none;transition:.4s var(--ease);color:var(--ink)}
.svc__go svg{width:15px;height:15px;transition:transform .4s var(--ease)}
.svc__item:hover .svc__go svg{transform:translate(3px,-3px)}

/* ---------- fleet ---------- */
.fleet{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line)}
.fleet__c{background:var(--ink);padding:clamp(26px,3vw,44px);position:relative;
  overflow:hidden;transition:background .5s var(--ease)}
.fleet__c:hover{background:var(--steel)}
.fleet__c .rig{width:100%;height:auto;margin:26px 0 30px;color:var(--amber)}
.fleet__c h3{font-size:clamp(1.6rem,2.6vw,2.2rem);margin-bottom:14px}
.fleet__c p{color:var(--slate);font-size:.95rem;margin:0}
.fleet__c .num{position:absolute;top:22px;right:24px}

/* ---------- chain ---------- */
.chain{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);margin-top:52px}
.chain__s{background:var(--ink-2);padding:26px 20px 30px;position:relative;
  transition:background .45s var(--ease)}
.chain__s:hover{background:var(--steel-2)}
.chain__s b{display:block;font-family:var(--f-mono);font-size:.66rem;letter-spacing:.18em;
  color:var(--amber);font-weight:500;margin-bottom:16px}
.chain__s span{font-family:var(--f-display);font-weight:800;text-transform:uppercase;
  font-size:clamp(.9rem,1.15vw,1.05rem);line-height:1.2;display:block}
.chain__bar{height:2px;background:var(--line);margin-top:20px;position:relative;overflow:hidden}
.chain__bar::after{content:"";position:absolute;inset:0;background:var(--amber);
  transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease)}
.chain__s:hover .chain__bar::after,.chain__s.on .chain__bar::after{transform:scaleX(1)}

/* ---------- value grid ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-d);
  border:1px solid var(--line-d)}
.grid3--dark{background:var(--line);border-color:var(--line)}
.cell{background:var(--sand);padding:clamp(28px,3vw,46px);transition:background .45s var(--ease)}
.cell:hover{background:var(--sand-2)}
.grid3--dark .cell{background:var(--ink)}
.grid3--dark .cell:hover{background:var(--steel)}
.cell h3{font-size:1.22rem;margin:18px 0 12px}
.cell p{font-size:.95rem;margin:0;color:#4A5866}
.grid3--dark .cell p{color:var(--slate)}
.cell__ico{width:34px;height:34px;color:var(--amber)}

/* ---------- cargo chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}
.chip{font-family:var(--f-mono);font-size:.73rem;letter-spacing:.1em;text-transform:uppercase;
  border:1px solid var(--line);padding:12px 18px;color:var(--sand);transition:.35s var(--ease)}
.chip:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-2px)}
.sec--sand .chip{border-color:var(--line-d);color:var(--ink)}
.sec--sand .chip:hover{border-color:var(--amber-d);color:var(--amber-d)}

/* ---------- clients ---------- */
.clients{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);max-width:760px}
.clients div{background:var(--ink);padding:56px 30px;text-align:center;
  font-family:var(--f-display);font-weight:800;font-size:clamp(1.7rem,4vw,3rem);
  letter-spacing:.02em;color:var(--slate);transition:.45s var(--ease)}
.clients div:hover{color:var(--amber);background:var(--steel)}

/* ---------- quote band ---------- */
.band{background:var(--amber);color:var(--ink);padding:clamp(56px,8vw,110px) 0}
.band h2{font-size:clamp(1.55rem,3.2vw,2.7rem);max-width:24ch}
.band p{color:rgba(6,18,31,.75);max-width:56ch}

/* ---------- CTA ---------- */
.cta{background:var(--steel);position:relative;overflow:hidden}
.cta__glow{position:absolute;width:60vw;height:60vw;left:-14vw;bottom:-30vw;border-radius:50%;
  background:radial-gradient(circle,rgba(242,162,0,.14),transparent 62%)}
.cta__in{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;
  gap:clamp(28px,5vw,70px);align-items:end}

/* ---------- forms ---------- */
.form{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.field{display:flex;flex-direction:column;gap:9px}
.field--full{grid-column:1/-1}
.field label{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--slate)}
.field input,.field select,.field textarea{
  background:transparent;border:0;border-bottom:1px solid var(--line);color:var(--sand);
  font-family:var(--f-body);font-size:1rem;padding:12px 0;transition:border-color .3s;
  border-radius:0;-webkit-appearance:none;appearance:none}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A9CB0' stroke-width='1.4' fill='none'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 4px center;background-size:12px}
.field select option{background:var(--ink);color:var(--sand)}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--amber)}
.field input::placeholder,.field textarea::placeholder{color:#4E5F70}
.form__note{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.1em;color:var(--slate);
  grid-column:1/-1;line-height:1.8}
.form__ok{grid-column:1/-1;border:1px solid var(--amber);color:var(--amber);padding:16px 20px;
  font-family:var(--f-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;display:none}
.form__ok.on{display:block}

/* ---------- contact panels ---------- */
.info{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line)}
.info__c{background:var(--ink);padding:clamp(26px,3vw,40px);margin:0}
.info__c dt{font-family:var(--f-mono);font-size:.65rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--amber);margin-bottom:14px}
.info__c dd{margin:0;font-size:1rem;line-height:1.65;color:var(--sand)}
.info__c dd a:hover{color:var(--amber)}

/* ---------- spec table ---------- */
.spec{width:100%;border-collapse:collapse;font-size:.97rem}
.spec th,.spec td{text-align:left;padding:20px 22px;border-bottom:1px solid var(--line);vertical-align:top}
.spec th{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--amber);font-weight:500;width:34%}
.spec td{color:var(--sand)}
.spec tr:hover td,.spec tr:hover th{background:rgba(255,255,255,.03)}
.tbl-scroll{overflow-x:auto;border:1px solid var(--line);border-bottom:0}

/* ---------- page hero (inner) ---------- */
.phero{padding:clamp(150px,17vw,230px) 0 clamp(50px,7vw,90px);position:relative;overflow:hidden;
  border-bottom:1px solid var(--line)}
.phero__glow{position:absolute;width:66vw;height:66vw;right:-18vw;top:-26vw;border-radius:50%;
  background:radial-gradient(circle,rgba(242,162,0,.13),transparent 62%)}
.phero__in{position:relative;z-index:2}
.crumb{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--slate);margin-bottom:22px}
.crumb a:hover{color:var(--amber)}

/* ---------- footer ---------- */
.ftr{background:var(--ink);border-top:1px solid var(--line);padding-top:clamp(56px,7vw,88px)}
.ftr__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:clamp(26px,4vw,54px);
  padding-bottom:54px}
.ftr h4{font-family:var(--f-mono);font-weight:500;font-size:.66rem;letter-spacing:.2em;
  color:var(--amber);margin-bottom:20px;text-transform:uppercase}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.ftr a{color:var(--slate);font-size:.95rem;transition:color .3s}
.ftr a:hover{color:var(--sand)}
.ftr p{color:var(--slate);font-size:.95rem}
.ftr__bot{border-top:1px solid var(--line);padding:24px 0 30px;display:flex;
  justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-family:var(--f-mono);font-size:.66rem;letter-spacing:.12em;color:#546578;text-transform:uppercase}
.ftr__word{font-family:var(--f-display);font-weight:800;text-transform:uppercase;
  font-size:clamp(2.4rem,11vw,10rem);line-height:.85;letter-spacing:-.03em;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.11);
  padding-bottom:18px;white-space:nowrap;overflow:hidden;user-select:none}

/* ---------- progress + reveal ---------- */
.prog{position:fixed;top:0;left:0;height:2px;width:0;background:var(--amber);z-index:100}
.js [data-rv]{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js [data-rv].on{opacity:1;transform:none}
[data-rv-d="1"]{transition-delay:.08s}
[data-rv-d="2"]{transition-delay:.16s}
[data-rv-d="3"]{transition-delay:.24s}
[data-rv-d="4"]{transition-delay:.32s}
[data-rv-d="5"]{transition-delay:.4s}
[data-rv-d="6"]{transition-delay:.48s}

.skip{position:absolute;left:-9999px;top:0;background:var(--amber);color:var(--ink);
  padding:12px 18px;z-index:200;font-family:var(--f-mono);font-size:.7rem}
.skip:focus{left:12px;top:12px}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important}
  .js [data-rv]{opacity:1;transform:none}
  .hero h1 .ln>span{transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .chain{grid-template-columns:repeat(3,1fr)}
  .ftr__top{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav,.hdr__tel{display:none}
  .burger{display:block}
  .split,.cta__in,.hero__row{grid-template-columns:1fr}
  .split__aside{position:static}
  .fleet,.grid3,.info{grid-template-columns:1fr}
  .hero__scroll{display:none}
  .hero__art{opacity:.35}
}
@media (max-width:640px){
  body{font-size:16px}
  .hdr__cta .btn{display:none}
  .brand__mark{width:36px;height:36px}
  .chain{grid-template-columns:repeat(2,1fr)}
  .form{grid-template-columns:1fr}
  .hero__meta{grid-template-columns:1fr;gap:16px}
  .svc__item{grid-template-columns:1fr;gap:12px}
  .svc__go{display:none}
  .clients{grid-template-columns:1fr}
  .ftr__top{grid-template-columns:1fr}
}

/* ---------- mission / vision duo ---------- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
@media (max-width:900px){.duo{grid-template-columns:1fr}}