/* =========================================================
   AYAN SHIP BREAKERS — DESIGN SYSTEM
   Type:  Big Shoulders Display (headlines) / IBM Plex Sans (body) / IBM Plex Mono (data)
   Color: navy (brand) + oxide rust (single warm accent) + paper
   ========================================================= */

:root{
  /* --- color --- */
  --navy-950:#04162a;
  --navy-900:#0a2748;
  --navy-800:#0d3868;
  --navy-700:#0f4a8f;   /* brand blue, sampled from logo */
  --navy-600:#1662b3;
  --navy-500:#2f7fd6;
  --blue-bright:#4fa1f0;
  --steel-700:#2f3d4c;
  --steel-500:#5c6b7a;
  --steel-300:#9aa7b3;
  --steel-100:#dde3e8;
  --rust-600:#a8531f;
  --rust-500:#c1652c;
  --rust-400:#d98244;
  --paper-0:#ffffff;
  --paper-50:#f5f7f9;
  --paper-100:#eef1f4;
  --ink-900:#0a1420;
  --ink-700:#1c2a3a;

  /* --- type --- */
  --f-display:'Big Shoulders Display', sans-serif;
  --f-body:'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --f-mono:'IBM Plex Mono', monospace;

  /* --- layout --- */
  --maxw:1240px;
  --gutter:clamp(20px,5vw,64px);
  --radius-sm:2px;
  --radius:4px;

  /* --- motion --- */
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.6s;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

body{
  margin:0;
  font-family:var(--f-body);
  color:var(--ink-900);
  background:var(--paper-0);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}

.container{
  max-width:var(--maxw);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}

/* headline type treatment */
h1,h2,h3,h4,.disp{
  font-family:var(--f-display);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.02;
  color:var(--navy-950);
}
h2{font-size:clamp(2.1rem,4vw,3.4rem);}
h3{font-size:clamp(1.4rem,2.4vw,1.9rem);}

.eyebrow{
  font-family:var(--f-mono);
  font-size:.78rem;
  letter-spacing:.02em;
  color:var(--rust-600);
  display:flex;
  align-items:center;
  gap:.6em;
  margin-bottom:.9em;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:var(--rust-500);
  display:inline-block;
}

.lede{
  font-size:1.1rem;
  color:var(--steel-700);
  max-width:62ch;
}
p.body-text{max-width:62ch;color:var(--steel-700);}

::selection{background:var(--navy-700);color:#fff;}

/* focus visibility */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--rust-500);
  outline-offset:3px;
}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  font-family:var(--f-body);
  font-weight:600;
  font-size:.95rem;
  padding:.95em 1.7em;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--rust-500);color:#fff;}
.btn--primary:hover{background:var(--rust-600);transform:translateY(-2px);}
.btn--outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn--outline:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px);}
.btn--dark{background:var(--navy-900);color:#fff;}
.btn--dark:hover{background:var(--navy-950);transform:translateY(-2px);}
.btn--ghost-dark{background:transparent;color:var(--navy-900);border-color:var(--steel-300);}
.btn--ghost-dark:hover{border-color:var(--navy-900);}

/* =========================================================
   NAV
   ========================================================= */
.topbar{
  background:var(--navy-950);
  color:var(--steel-100);
  font-size:.8rem;
  font-family:var(--f-mono);
}
.topbar .container{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:8px;padding-bottom:8px;
  flex-wrap:wrap;gap:8px;
}
.topbar a{color:var(--steel-100);}
.topbar__contact{display:flex;gap:20px;flex-wrap:wrap;}
.topbar__social{display:flex;gap:14px;}
.topbar__social a{opacity:.75;transition:opacity .2s;}
.topbar__social a:hover{opacity:1;}

.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:box-shadow .35s var(--ease);
}
.site-header.is-solid{box-shadow:0 1px 0 rgba(255,255,255,.06);}
.nav{
  background:transparent;
  transition:background .35s var(--ease),padding .35s var(--ease);
}
.site-header.is-solid .nav{
  background:rgba(6,22,42,.94);
  backdrop-filter:blur(8px);
}
.nav__inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--gutter);
  max-width:var(--maxw);margin:0 auto;
  transition:padding .35s var(--ease);
}
.nav.is-solid .nav__inner{padding-top:12px;padding-bottom:12px;}
.nav__brand{display:flex;align-items:center;gap:12px;color:#fff;}
.nav__brand img{height:42px;width:auto;}
.nav__brand-text{
  font-family:var(--f-display);
  font-size:1.25rem;
  font-weight:700;
  line-height:1;
  letter-spacing:-.01em;
}
.nav__brand-text small{
  display:block;
  font-family:var(--f-mono);
  font-weight:400;
  font-size:.62rem;
  letter-spacing:.12em;
  color:var(--blue-bright);
  margin-top:3px;
}
.nav__links{display:flex;align-items:center;gap:30px;}
.nav__links a{white-space:nowrap;}
.nav__links a{
  color:#e8edf2;font-size:.92rem;font-weight:500;position:relative;padding:4px 0;
}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--rust-500);transition:width .3s var(--ease);
}
.nav__links a:hover::after,.nav__links a.is-active::after{width:100%;}
.nav__links a.is-active{color:#fff;}
.nav__cta{display:flex;align-items:center;gap:18px;}
.nav__toggle{display:none;}

@media (max-width:1100px){
  .nav__links{
    position:fixed;inset:0 0 0 30%;
    background:var(--navy-950);
    flex-direction:column;justify-content:center;align-items:flex-start;
    padding:40px var(--gutter);
    transform:translateX(100%);
    transition:transform .4s var(--ease);
    gap:26px;
  }
  .nav__links.is-open{transform:translateX(0);}
  .nav__links a{font-size:1.3rem;}
  .nav__cta .btn--outline{display:none;}
  .nav__toggle{
    display:flex;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;z-index:110;
  }
  .nav__toggle span{width:24px;height:2px;background:#fff;display:block;transition:transform .3s,opacity .3s;}
  .nav__toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav__toggle.is-open span:nth-child(2){opacity:0;}
  .nav__toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
}

/* =========================================================
   FRAME / CORNER MARKS  (technical drawing motif)
   ========================================================= */
.frame-corners{position:relative;}
.frame-corners::before,.frame-corners::after,
.frame-corners .fc-tr,.frame-corners .fc-bl{
  content:"";position:absolute;width:26px;height:26px;z-index:3;
  border:1px solid rgba(255,255,255,.55);
  opacity:0;
  animation:fcIn .8s var(--ease) forwards;
}
.frame-corners::before{top:28px;left:var(--gutter);border-right:0;border-bottom:0;animation-delay:.3s;}
.frame-corners::after{bottom:28px;right:var(--gutter);border-left:0;border-top:0;animation-delay:.5s;}
@keyframes fcIn{from{opacity:0;transform:scale(.6);}to{opacity:1;transform:scale(1);}}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  overflow:hidden;
  background:var(--navy-950);
}
.hero__media{position:absolute;inset:0;z-index:0;}
.hero__media video,.hero__media img{
  width:100%;height:100%;object-fit:cover;
  position:absolute;inset:0;
}
.hero__scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(4,17,34,.75) 0%,rgba(4,17,34,.35) 30%,rgba(4,17,34,.55) 68%,rgba(4,17,34,.96) 100%),
    linear-gradient(90deg,rgba(4,17,34,.55) 0%,rgba(4,17,34,0) 45%);
}
.hero__content{
  position:relative;z-index:2;
  max-width:var(--maxw);margin:0 auto;width:100%;
  padding:120px var(--gutter) 64px;
  color:#fff;
}
.hero__tag{
  font-family:var(--f-mono);font-size:.82rem;color:var(--blue-bright);
  display:flex;align-items:center;gap:.7em;margin-bottom:22px;
  opacity:0;animation:riseIn .7s var(--ease) forwards;animation-delay:.15s;
}
.hero__tag::before{content:"";width:8px;height:8px;background:var(--rust-500);display:inline-block;}
.hero h1{
  font-size:clamp(2.6rem,6.4vw,5.4rem);
  color:#fff;
  max-width:14ch;
  opacity:0;animation:riseIn .8s var(--ease) forwards;animation-delay:.28s;
}
.hero__sub{
  margin-top:26px;max-width:52ch;font-size:1.15rem;color:#cbd9e6;
  opacity:0;animation:riseIn .8s var(--ease) forwards;animation-delay:.42s;
}
.hero__actions{
  margin-top:38px;display:flex;gap:16px;flex-wrap:wrap;
  opacity:0;animation:riseIn .8s var(--ease) forwards;animation-delay:.56s;
}
@keyframes riseIn{from{opacity:0;transform:translateY(22px);}to{opacity:1;transform:translateY(0);}}

.hero__meta{
  position:relative;z-index:2;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero__meta-inner{
  max-width:var(--maxw);margin:0 auto;
  padding:18px var(--gutter);
  display:flex;flex-wrap:wrap;gap:28px 46px;
  font-family:var(--f-mono);font-size:.78rem;color:var(--steel-300);
}
.hero__meta-inner b{color:#fff;font-weight:500;}

/* =========================================================
   PAGE BANNER (inner pages)
   ========================================================= */
.banner{
  position:relative;
  min-height:56vh;
  display:flex;align-items:flex-end;
  background:var(--navy-950);
  overflow:hidden;
}
.banner__media{position:absolute;inset:0;}
.banner__media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.banner__scrim{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,17,34,.55) 0%,rgba(4,17,34,.55) 40%,rgba(4,17,34,.97) 100%);
}
.banner__content{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;width:100%;padding:80px var(--gutter) 56px;color:#fff;}
.banner__crumb{font-family:var(--f-mono);font-size:.78rem;color:var(--blue-bright);margin-bottom:16px;}
.banner__crumb a{color:var(--steel-300);}
.banner__crumb a:hover{color:#fff;}
.banner h1{color:#fff;font-size:clamp(2.2rem,5vw,3.6rem);max-width:18ch;}
.banner p{margin-top:16px;max-width:56ch;color:#cbd9e6;font-size:1.05rem;}

/* =========================================================
   SECTIONS
   ========================================================= */
.section{padding:104px 0;}
.section--tight{padding:76px 0;}
.section--dark{background:var(--navy-950);color:#fff;}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff;}
.section--dark .lede,.section--dark p.body-text{color:var(--steel-300);}
.section--alt{background:var(--paper-50);}
.section__head{max-width:760px;margin-bottom:56px;}
.section__head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section__head.center .eyebrow{justify-content:center;}
.section__head.center .lede{margin-left:auto;margin-right:auto;}

/* reveal-on-scroll (used sparingly, per major section) */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* =========================================================
   STAT BAND
   ========================================================= */
.stats{
  background:var(--navy-900);
  color:#fff;
}
.stats__grid{
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat{
  padding:52px var(--gutter);
  border-left:1px solid rgba(255,255,255,.12);
}
.stat:first-child{border-left:0;}
.stat__num{
  font-family:var(--f-mono);font-weight:500;
  font-size:clamp(1.7rem,3vw,2.9rem);
  color:#fff;display:flex;align-items:baseline;gap:2px;flex-wrap:wrap;
}
.stat__num .suffix{color:var(--blue-bright);font-size:.62em;white-space:nowrap;}
.stat__label{margin-top:10px;font-size:.92rem;color:var(--steel-300);max-width:22ch;}
@media (max-width:900px){
  .stats__grid{grid-template-columns:repeat(2,1fr);}
  .stat{border-left:0;border-top:1px solid rgba(255,255,255,.12);}
  .stat:nth-child(odd){border-right:1px solid rgba(255,255,255,.12);}
}

/* =========================================================
   SPLIT LAYOUT (asymmetric about-style blocks)
   ========================================================= */
.split{
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,6vw,80px);align-items:center;
}
.split.rev{grid-template-columns:.95fr 1.05fr;}
.split.rev .split__media{order:2;}
.split.rev .split__text{order:1;}
.split__media{position:relative;}
.split__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5;border-radius:var(--radius-sm);}
.split__media .frame-tag{
  position:absolute;bottom:-1px;left:-1px;
  background:var(--rust-500);color:#fff;
  font-family:var(--f-mono);font-size:.72rem;
  padding:9px 16px;
}
.split__callout{
  position:absolute;right:-24px;bottom:24px;
  background:var(--navy-950);color:#fff;
  padding:22px 26px;max-width:200px;
  border-left:3px solid var(--rust-500);
}
.split__callout .num{font-family:var(--f-mono);font-size:1.7rem;color:#fff;}
.split__callout .lbl{font-size:.78rem;color:var(--steel-300);margin-top:4px;}
@media (max-width:860px){
  .split,.split.rev{grid-template-columns:1fr;}
  .split.rev .split__media,.split.rev .split__text{order:initial;}
  .split__callout{position:static;margin-top:-1px;max-width:none;display:flex;align-items:center;gap:14px;}
}

/* =========================================================
   PROCESS (genuine sequence — numbered)
   ========================================================= */
.process{position:relative;}
.process__rail{
  display:grid;grid-template-columns:repeat(5,1fr);gap:0;
  position:relative;
}
.process__rail::before{
  content:"";position:absolute;top:22px;left:0;right:0;height:1px;
  background:rgba(255,255,255,.15);
}
.section:not(.section--dark) .process__rail::before{background:var(--steel-100);}
.process__step{padding:0 22px 0 0;position:relative;}
.process__index{
  font-family:var(--f-mono);font-size:1.05rem;
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--navy-950);color:#fff;
  border:1px solid var(--rust-500);
  position:relative;z-index:1;margin-bottom:22px;
}
.section--dark .process__index{background:var(--navy-950);}
.section:not(.section--dark) .process__index{background:#fff;color:var(--navy-950);}
.process__step h4{font-size:1.05rem;margin-bottom:10px;}
.process__step p{font-size:.92rem;color:var(--steel-500);}
.section--dark .process__step p{color:var(--steel-300);}
@media (max-width:960px){
  .process__rail{grid-template-columns:1fr;gap:36px;}
  .process__rail::before{display:none;}
}

/* =========================================================
   DOSSIER LIST (why choose us — not identical cards)
   ========================================================= */
.dossier{border-top:1px solid var(--steel-100);}
.dossier__row{
  display:grid;grid-template-columns:90px 1fr;gap:28px;
  padding:34px 0;border-bottom:1px solid var(--steel-100);
}
.dossier__row .idx{font-family:var(--f-mono);color:var(--rust-500);font-size:1rem;padding-top:4px;}
.dossier__row h4{font-size:1.15rem;margin-bottom:8px;}
.dossier__row p{color:var(--steel-500);font-size:.96rem;max-width:64ch;}
@media (max-width:640px){
  .dossier__row{grid-template-columns:1fr;gap:8px;}
}

/* =========================================================
   VESSEL TYPES
   ========================================================= */
.vtypes{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--steel-100);border:1px solid var(--steel-100);}
.vtype{background:#fff;padding:30px 26px;}
.vtype__icon{width:34px;height:34px;margin-bottom:16px;color:var(--navy-700);}
.vtype h4{font-size:1rem;margin-bottom:6px;}
.vtype p{font-size:.86rem;color:var(--steel-500);}
@media (max-width:760px){.vtypes{grid-template-columns:1fr 1fr;}}
@media (max-width:480px){.vtypes{grid-template-columns:1fr;}}

/* =========================================================
   CASE STUDY / FIELD REPORT
   ========================================================= */
.field-report{
  background:var(--navy-950);color:#fff;
  display:grid;grid-template-columns:1fr 1fr;
}
.field-report h2,.field-report h3,.field-report h4{color:#fff;}
.field-report__media{position:relative;min-height:420px;}
.field-report__media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.field-report__body{padding:clamp(36px,5vw,72px);}
.field-report__facts{
  margin-top:36px;display:grid;grid-template-columns:1fr 1fr;gap:20px 28px;
  border-top:1px solid rgba(255,255,255,.15);padding-top:26px;
}
.field-report__facts dt{font-family:var(--f-mono);font-size:.72rem;color:var(--steel-300);text-transform:none;}
.field-report__facts dd{margin:6px 0 0;font-size:.95rem;color:#fff;}
@media (max-width:900px){.field-report{grid-template-columns:1fr;}.field-report__media{min-height:280px;}}

/* =========================================================
   CERTIFICATIONS
   ========================================================= */
.certs{display:flex;align-items:center;gap:56px;flex-wrap:wrap;}
.certs img{height:86px;width:auto;}
.certs__list{flex:1;min-width:240px;}
.certs__list .dossier__row{padding:22px 0;}

/* =========================================================
   CTA BAND
   ========================================================= */
.cta-band{
  background:var(--navy-900);
  background-image:radial-gradient(ellipse at 85% 20%,rgba(47,127,214,.35),transparent 55%);
  color:#fff;
  padding:76px 0;
}
.cta-band__inner{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(1.8rem,3.4vw,2.6rem);max-width:16ch;}
.cta-band p{color:var(--steel-300);margin-top:10px;max-width:48ch;}

/* =========================================================
   TABLE (vessel register)
   ========================================================= */
.table-wrap{
  border:1px solid var(--steel-100);
  max-height:560px;overflow:auto;
}
table.register{width:100%;border-collapse:collapse;font-size:.86rem;}
table.register thead th{
  position:sticky;top:0;background:var(--navy-950);color:#fff;
  text-align:left;padding:14px 16px;font-family:var(--f-mono);font-weight:400;font-size:.74rem;
  letter-spacing:.02em;white-space:nowrap;
}
table.register tbody td{padding:12px 16px;border-bottom:1px solid var(--steel-100);white-space:nowrap;color:var(--steel-700);}
table.register tbody tr:nth-child(even){background:var(--paper-50);}
table.register tbody td.num{font-family:var(--f-mono);text-align:right;}
table.register tbody td.name{color:var(--ink-900);font-weight:500;white-space:normal;min-width:170px;}

/* =========================================================
   FORM
   ========================================================= */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.form-grid .full{grid-column:1/-1;}
.field label{display:block;font-size:.82rem;color:var(--steel-500);margin-bottom:8px;font-family:var(--f-mono);}
.field input,.field textarea,.field select{
  width:100%;border:1px solid var(--steel-100);background:var(--paper-50);
  padding:13px 15px;font-family:var(--f-body);font-size:.95rem;color:var(--ink-900);
  border-radius:var(--radius-sm);transition:border-color .2s;
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--navy-700);outline:none;}
.field textarea{resize:vertical;min-height:120px;}
.form-note{font-size:.82rem;color:var(--steel-500);margin-top:16px;}
@media (max-width:640px){.form-grid{grid-template-columns:1fr;}}

/* =========================================================
   CONTACT INFO BLOCK
   ========================================================= */
.info-block{border-top:1px solid rgba(255,255,255,.15);padding-top:26px;margin-top:26px;}
.info-block dt{font-family:var(--f-mono);font-size:.72rem;color:var(--blue-bright);}
.info-block dd{margin:6px 0 22px;font-size:1rem;color:#fff;}

/* =========================================================
   FOOTER
   ========================================================= */
.footer{background:var(--navy-950);color:var(--steel-300);padding:80px 0 0;}
.footer__grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;
  padding-bottom:60px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer__brand img{height:48px;width:auto;margin-bottom:18px;}
.footer__mark{display:flex;align-items:center;gap:12px;margin-bottom:20px;}
.footer__mark img{height:38px;width:auto;margin:0;}
.footer__mark span{font-family:var(--f-display);font-size:1.3rem;font-weight:700;color:#fff;letter-spacing:-.01em;}
.footer__brand p{font-size:.9rem;max-width:34ch;line-height:1.7;}
.footer h5{color:#fff;font-family:var(--f-mono);font-size:.78rem;letter-spacing:.02em;margin-bottom:20px;font-weight:400;}
.footer__links li{margin-bottom:12px;}
.footer__links a{font-size:.92rem;transition:color .2s;}
.footer__links a:hover{color:#fff;}
.footer__social{display:flex;gap:14px;margin-top:20px;}
.footer__social a{
  width:36px;height:36px;border:1px solid rgba(255,255,255,.2);border-radius:50%;
  display:flex;align-items:center;justify-content:center;transition:border-color .2s,background .2s;
}
.footer__social a:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.footer__bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding:26px 0;font-size:.82rem;flex-wrap:wrap;gap:12px;
}
.footer__bottom img{height:44px;width:auto;opacity:.85;}
@media (max-width:900px){.footer__grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer__grid{grid-template-columns:1fr;}}

/* =========================================================
   UTILITIES
   ========================================================= */
.mt-0{margin-top:0;}
.text-center{text-align:center;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* =========================================================
   REV 3 — BRAND, GALLERY, HKC, ISO, RESPONSIVE
   ========================================================= */
.brand-tile{display:inline-flex;align-items:center;justify-content:center;flex:none;width:68px;height:68px;padding:8px;background:#fff;border-radius:12px;box-shadow:0 4px 18px rgba(0,0,0,.28);transition:width .3s var(--ease),height .3s var(--ease);}
.brand-tile img{width:100%;height:100%;object-fit:contain;}
.nav__brand{gap:16px;align-items:center;min-width:0;flex:none;}
.nav__brand img{height:auto;}
.nav__brand-text{font-size:clamp(1.3rem,1.9vw,1.7rem);line-height:1;white-space:nowrap;display:flex;align-items:center;letter-spacing:.005em;}
.site-header.is-solid .brand-tile{width:54px;height:54px;padding:7px;}
.footer__mark{gap:14px;align-items:center;}
.footer__mark .brand-tile{width:60px;height:60px;}
.footer__mark .brand-tile img{height:100%;margin:0;}
.footer__mark span:last-child{font-size:1.6rem;line-height:1;white-space:nowrap;}
.hero__content{padding-top:170px;}
.banner__content{padding-top:150px;}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.gallery__item{margin:0;}
.gallery__item button{position:relative;display:block;width:100%;padding:0;border:0;cursor:zoom-in;aspect-ratio:4/3;overflow:hidden;background:var(--navy-900);border-radius:var(--radius);}
.gallery__item img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.gallery__item button:hover img{transform:scale(1.05);}
.gallery__item figcaption{position:absolute;left:0;right:0;bottom:0;text-align:left;color:#fff;padding:40px 16px 14px;background:linear-gradient(180deg,transparent,rgba(4,17,34,.88));display:flex;flex-direction:column;gap:2px;}
.gallery__item figcaption b{font-family:var(--f-display);font-size:1.25rem;font-weight:700;letter-spacing:.01em;}
.gallery__item figcaption span{font-size:.82rem;color:#cbd9e6;line-height:1.35;}
.hkc__grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.hkc__card{display:flex;flex-direction:column;background:var(--paper-50);border:1px solid var(--steel-100);border-radius:var(--radius);overflow:hidden;}
.hkc__doc{display:block;width:100%;padding:24px;border:0;cursor:zoom-in;background:var(--paper-100);}
.hkc__doc img{width:100%;max-width:420px;margin:0 auto;box-shadow:0 10px 30px rgba(10,39,72,.18);transition:transform .4s var(--ease);}
.hkc__doc:hover img{transform:translateY(-4px);}
.hkc__meta{padding:24px 26px 28px;}
.hkc__meta h3{margin-bottom:14px;}
.hkc__meta dl{margin:0;display:grid;gap:10px;}
.hkc__meta dl div{display:grid;grid-template-columns:96px 1fr;gap:12px;font-size:.92rem;border-top:1px solid var(--steel-100);padding-top:10px;}
.hkc__meta dt{font-family:var(--f-mono);font-size:.74rem;color:var(--rust-600);text-transform:uppercase;letter-spacing:.04em;padding-top:2px;}
.hkc__meta dd{margin:0;color:var(--steel-700);}
.lightbox{position:fixed;inset:0;z-index:1000;display:none;flex-direction:column;align-items:center;justify-content:center;background:rgba(4,17,34,.94);padding:56px 16px 20px;}
.lightbox.is-open{display:flex;}
.lightbox img{max-width:100%;max-height:calc(100dvh - 130px);object-fit:contain;}
.lightbox__cap{color:#cbd9e6;font-size:.9rem;margin-top:14px;text-align:center;max-width:70ch;}
.lightbox__close{position:absolute;top:10px;right:10px;width:48px;height:48px;border:0;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;font-size:1.8rem;line-height:1;cursor:pointer;}
.lightbox__close:hover{background:rgba(255,255,255,.25);}
body.lb-open{overflow:hidden;}
html{-webkit-text-size-adjust:100%;}
body{overflow-x:hidden;}
video,iframe{max-width:100%;}
.hero{min-height:100svh;}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.iso__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.iso__card{background:#fff;}
.iso__std{font-family:var(--f-mono);font-size:.78rem;color:var(--rust-600);letter-spacing:.04em;margin-bottom:6px;}
.iso__card .hkc__meta{display:flex;flex-direction:column;flex:1;}
.iso__card .hkc__meta h3{margin-bottom:10px;}
.iso__desc{font-size:.92rem;color:var(--steel-700);margin-bottom:16px;}
.iso__facts{display:grid !important;grid-template-columns:1fr 1fr;gap:0 16px !important;margin:0;}
.iso__facts div{display:block !important;border-top:1px solid var(--steel-100);padding:9px 0 !important;}
.iso__facts .wide{grid-column:1/-1;}
.iso__facts dt{padding:0 !important;margin-bottom:2px;font-size:.68rem !important;}
.iso__facts dd{font-size:.9rem;overflow-wrap:anywhere;}
.iso__note{font-size:.8rem;color:var(--steel-500);font-style:italic;margin:12px 0 18px;}
.iso__dl{margin-top:auto;justify-content:center;width:100%;}
.iso__foot{margin-top:28px;font-size:.82rem;color:var(--steel-500);max-width:90ch;}
.footer__iso{font-family:var(--f-mono);font-size:.74rem;color:var(--steel-300);letter-spacing:.03em;}
.footer__iso:hover{color:#fff;}
@media (min-width:1101px){
  .nav__links{gap:16px;}
  .nav__links a{font-size:.84rem;}
  .nav__inner{gap:24px;}
  .nav__brand-text{font-size:1.55rem;}
  .nav__cta .btn{padding:.75em 1.15em;font-size:.88rem;}
}
@media (min-width:1101px) and (max-width:1300px){.nav__cta .btn{display:none;}}
@media (max-width:1100px){
  .nav__links{inset:0;padding:130px var(--gutter) 40px;justify-content:flex-start;overflow-y:auto;}
  .nav__links a{font-size:1.5rem;padding:8px 0;}
  .nav__toggle{padding:12px;}
  .iso__grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .brand-tile{width:56px;height:56px;padding:7px;}
  .site-header.is-solid .brand-tile{width:48px;height:48px;}
  .hero__content{padding-top:150px;}
  .banner__content{padding-top:130px;}
  .gallery{grid-template-columns:repeat(2,1fr);}
  .hkc__grid{grid-template-columns:1fr;}
}
@media (max-width:760px){.iso__grid{grid-template-columns:1fr;}}
@media (max-width:640px){
  .topbar__social{display:none;}
  .topbar .container{justify-content:center;}
  .topbar__contact{gap:6px 16px;justify-content:center;font-size:.72rem;}
  .brand-tile{width:48px;height:48px;padding:6px;border-radius:10px;}
  .site-header.is-solid .brand-tile{width:42px;height:42px;}
  .nav__brand{gap:11px;}
  .nav__brand-text{font-size:1.25rem;}
  .nav__inner{padding-top:12px;padding-bottom:12px;}
  .hero__content{padding-top:130px;padding-bottom:40px;}
  .hero__actions .btn{flex:1 1 100%;justify-content:center;}
  .hero__meta-inner{flex-direction:column;align-items:flex-start;gap:6px;}
  .gallery{grid-template-columns:1fr;gap:14px;}
  .hkc__meta dl div{grid-template-columns:1fr;gap:2px;}
  .hkc__doc{padding:16px;}
  .cta-band__inner{flex-direction:column;align-items:flex-start;}
  .cta-band__inner .btn{width:100%;justify-content:center;}
  .footer__mark span:last-child{font-size:1.4rem;}
  .footer__bottom{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:380px){.nav__brand-text{font-size:1.08rem;}.brand-tile{width:42px;height:42px;}.iso__facts{grid-template-columns:1fr;}}
.facts-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.15);}
@media (max-width:900px){.facts-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:480px){.facts-grid{grid-template-columns:1fr;}}