/* ============================================================
   VTAM — Vietnam Technical Asset Management
   Design system: "hangar at dusk"
   ============================================================ */

:root{
  --ink:#07121C;
  --navy:#0C1E30;
  --steel:#17293B;
  --line:#23394D;
  --mute:#93A6B6;
  --paper:#EDF0F3;
  --paper-dim:#C8D2DB;
  /* Accent adapted to the real VTAM logo (navy→cyan takeoff swoosh).
     The invented brass was dropped: the brand owns a blue identity, so the
     one signal colour is the logo's sky-cyan, echoing the plane's contrail. */
  --brass:#57B0DE;      /* primary accent — sky-cyan, high contrast on navy */
  --brass-dim:#3D82AE;  /* deeper brand blue — secondary use on dark grounds */

  --maxw:1200px;
  --gutter:clamp(20px,5vw,64px);

  --f-display:"Archivo","Arial Narrow",system-ui,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;

  --step--1:clamp(.75rem,.72rem + .15vw,.82rem);
  --step-0:clamp(1rem,.96rem + .2vw,1.08rem);
  --step-1:clamp(1.2rem,1.1rem + .5vw,1.45rem);
  --step-2:clamp(1.5rem,1.3rem + 1vw,2.1rem);
  --step-3:clamp(2rem,1.5rem + 2.4vw,3.4rem);
  --step-4:clamp(2.8rem,1.8rem + 5vw,6rem);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--f-body);
  font-size:var(--step-0);
  line-height:1.65;
  color:var(--paper);
  background:var(--navy);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-family:var(--f-display);font-weight:700;line-height:1.02;letter-spacing:-.02em}
p{margin:0}
::selection{background:var(--brass);color:var(--ink)}

:focus-visible{outline:2px solid var(--brass);outline-offset:3px}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}

/* mono utility label */
.eyebrow{
  font-family:var(--f-mono);
  font-size:var(--step--1);
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--brass);
  display:inline-flex;
  align-items:center;
  gap:.7em;
}
.eyebrow::before{
  content:"";width:26px;height:1px;background:var(--brass);opacity:.7;
}

.section{padding-block:clamp(64px,10vw,140px)}
.section-head{max-width:52ch;margin-bottom:clamp(40px,6vw,72px)}
.section-head h2{font-size:var(--step-3);margin-top:18px}
.section-head p{color:var(--paper-dim);margin-top:20px;font-size:var(--step-1);line-height:1.5}

/* ============================================================
   Header
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb,var(--navy) 82%,transparent);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:68px;gap:24px;
}
.brand{
  font-family:var(--f-display);font-weight:800;font-size:1.15rem;
  letter-spacing:.14em;color:var(--paper);
  display:inline-flex;align-items:center;gap:12px;
}
.brand .tick{width:9px;height:9px;border:1.5px solid var(--brass);transform:rotate(45deg)}
.brand img{height:30px;width:auto;display:block}
.foot-brand .brand img{height:40px}
.nav{display:flex;align-items:center;gap:clamp(16px,2.4vw,34px)}
.nav a{
  font-family:var(--f-mono);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--mute);padding-block:6px;position:relative;transition:color .2s;
}
.nav a:hover{color:var(--paper)}
.nav a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--brass);transition:width .25s}
.nav a:hover::after{width:100%}
.nav-links{display:flex;gap:clamp(16px,2.4vw,34px)}
.lang{display:flex;align-items:center;gap:2px;font-family:var(--f-mono);font-size:.72rem}
.lang a{padding:5px 8px;color:var(--mute);letter-spacing:.08em;border-radius:2px;transition:color .2s,background .2s}
.lang a:hover{color:var(--paper)}
.lang a[aria-current="true"]{color:var(--ink);background:var(--brass)}
.lang span{color:var(--line)}
.nav-toggle{display:none}

/* ============================================================
   Hero
   ============================================================ */
.hero{position:relative;overflow:hidden;background:var(--ink);isolation:isolate}
.hero-media{position:absolute;inset:0;z-index:-2;background:var(--ink)}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:62% 56%}
/* fallback gradient if the hero image is missing */
.hero-media .placeholder{
  width:100%;height:100%;
  background:
    radial-gradient(120% 90% at 78% 15%,rgba(87,176,222,.10),transparent 55%),
    radial-gradient(90% 80% at 15% 100%,rgba(37,70,98,.55),transparent 60%),
    linear-gradient(180deg,#0a1622 0%,#0b1c2e 45%,#07121c 100%);
}
.hero-media::after{ /* readability veil */
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,18,28,.85) 0%,rgba(7,18,28,.45) 55%,rgba(7,18,28,.7) 100%);
}
/* faint engineering grid */
.hero-grid{position:absolute;inset:0;z-index:-1;opacity:.14;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(120% 100% at 70% 20%,#000 30%,transparent 80%)}

.hero-inner{position:relative;padding-block:clamp(90px,17vh,190px) clamp(40px,6vw,64px);min-height:clamp(560px,82vh,880px);display:flex;flex-direction:column;justify-content:center}
.hero h1{
  font-size:var(--step-4);
  max-width:16ch;
  margin:26px 0 0;
  text-wrap:balance;
}
.hero h1 .em{color:var(--brass)}
.hero .sub{max-width:46ch;margin-top:28px;font-size:var(--step-1);color:var(--paper-dim);line-height:1.5}

.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:40px}
.btn{
  font-family:var(--f-mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  padding:15px 26px;border:1px solid var(--line);color:var(--paper);
  display:inline-flex;align-items:center;gap:10px;transition:all .22s;background:transparent;cursor:pointer;
}
.btn .arw{transition:transform .22s}
.btn:hover .arw{transform:translateX(4px)}
.btn-primary{border-color:var(--brass);color:var(--paper)}
.btn-primary:hover{background:var(--brass);color:var(--ink)}
.btn-ghost:hover{border-color:var(--paper);background:rgba(237,240,243,.05)}

/* horizon line + ribbon */
.hero-horizon{position:relative;margin-top:clamp(48px,7vw,80px)}
.hero-horizon .line{height:1px;background:var(--brass);transform-origin:left center;box-shadow:0 0 18px rgba(87,176,222,.55)}
.ribbon{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  border:1px solid var(--line);border-top:0;background:var(--line);margin-top:0;
}
.ribbon .cell{background:var(--ink);padding:18px 20px}
.ribbon .k{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mute)}
.ribbon .v{font-family:var(--f-mono);font-size:.9rem;letter-spacing:.02em;color:var(--paper);margin-top:8px;line-height:1.35}

/* ============================================================
   Trust strip
   ============================================================ */
.trust{border-bottom:1px solid var(--line);background:var(--ink)}
.trust .wrap{padding-block:clamp(40px,6vw,64px)}
.trust .lead{font-family:var(--f-display);font-size:var(--step-2);max-width:24ch;line-height:1.1;color:var(--paper)}
.trust .lead b{color:var(--brass);font-weight:700}
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.chip{
  font-family:var(--f-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--paper-dim);border:1px solid var(--line);padding:9px 16px;border-radius:2px;
}
.chip b{color:var(--brass);font-weight:400;margin-right:8px}

/* ============================================================
   Lifecycle / services
   ============================================================ */
.lifecycle{background:var(--navy)}
.timeline{position:relative;display:flex;flex-direction:column;gap:clamp(48px,7vw,84px)}
.timeline::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:1px;background:var(--line)}
@media(min-width:900px){.timeline::before{left:calc(88px + 0px)}}

.stage{position:relative;display:grid;gap:clamp(24px,4vw,56px);padding-left:36px}
@media(min-width:900px){
  .stage{grid-template-columns:88px 1fr minmax(0,44%);align-items:start;padding-left:0}
}
.stage .node{position:absolute;left:-4px;top:6px;width:9px;height:9px;background:var(--brass);transform:rotate(45deg)}
@media(min-width:900px){.stage .node{left:84px}}
.stage .code{font-family:var(--f-mono);font-size:.8rem;letter-spacing:.18em;color:var(--brass)}
.stage .code small{display:block;color:var(--mute);font-size:.66rem;letter-spacing:.14em;margin-top:8px;text-transform:uppercase}
.stage-body h3{font-size:var(--step-2);margin-bottom:16px}
.stage-body p{color:var(--paper-dim);max-width:52ch}
.stage-body .deliv{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-wrap:wrap;gap:10px}
.stage-body .deliv li{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;color:var(--mute);border:1px solid var(--line);padding:7px 12px;border-radius:2px}

/* image slot inside stage */
.slot{
  position:relative;aspect-ratio:4/3;border:1px solid var(--line);
  background:linear-gradient(145deg,var(--steel),var(--ink));
  display:flex;align-items:flex-end;overflow:hidden;
}
.slot::before,.slot::after{content:"";position:absolute;width:14px;height:14px;border:1px solid var(--brass);opacity:.6}
.slot::before{top:12px;left:12px;border-right:0;border-bottom:0}
.slot::after{bottom:12px;right:12px;border-left:0;border-top:0}
.slot .cap{font-family:var(--f-mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);padding:14px 16px;position:relative}
.slot .cap::before{content:"◦ IMAGE SLOT — ";color:var(--brass)}

/* real image in a slot: fill the frame, drop the placeholder ticks/caption */
.slot.has-img{background:var(--ink)}
.slot.has-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.slot.has-img::before,.slot.has-img::after{display:none}
.slot.has-img .cap{display:none}

/* ============================================================
   Approach (light section for rhythm)
   ============================================================ */
.approach{background:var(--paper);color:var(--ink);--brass-dim:#2A6C97} /* deeper brand blue reads on the light ground */
.approach .eyebrow{color:var(--brass-dim)}
.approach .eyebrow::before{background:var(--brass-dim)}
.approach .section-head h2{color:var(--ink)}
.approach .section-head p{color:#3d5265}
.approach-grid{display:grid;gap:clamp(28px,4vw,48px);grid-template-columns:1fr}
@media(min-width:860px){.approach-grid{grid-template-columns:1.1fr .9fr;align-items:center}}
.values{display:grid;gap:0;border-top:1px solid #d3dae1}
.value{padding:26px 0;border-bottom:1px solid #d3dae1;display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:baseline}
.value .n{font-family:var(--f-mono);font-size:.78rem;color:var(--brass-dim);letter-spacing:.12em}
.value h3{font-size:var(--step-1);color:var(--ink);margin-bottom:8px}
.value p{color:#3d5265;font-size:.98rem;line-height:1.55}
.approach .slot{border-color:#cfd8df;background:linear-gradient(145deg,#22384b,#0e2032)}
.approach .slot .cap{color:#8ea2b3}

/* ============================================================
   About / credentials
   ============================================================ */
.about{background:var(--ink)}
.about-grid{display:grid;gap:clamp(32px,5vw,64px);grid-template-columns:1fr}
@media(min-width:860px){.about-grid{grid-template-columns:.85fr 1.15fr;align-items:start}}
.about-copy h3{font-size:var(--step-2);margin:22px 0 20px}
.about-copy p{color:var(--paper-dim);max-width:56ch;margin-bottom:18px}
.creds{margin-top:34px;border:1px solid var(--line)}
.creds .row{display:grid;grid-template-columns:40% 1fr;border-bottom:1px solid var(--line)}
.creds .row:last-child{border-bottom:0}
.creds .row>div{padding:16px 20px}
.creds .row .k{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);border-right:1px solid var(--line)}
.creds .row .val{font-size:.94rem;color:var(--paper)}
.tbd{color:var(--brass);font-family:var(--f-mono);font-size:.8rem;border-bottom:1px dashed var(--brass-dim)}

/* ============================================================
   Contact
   ============================================================ */
.contact{background:var(--navy);border-top:1px solid var(--line)}
.contact-grid{display:grid;gap:clamp(40px,6vw,72px);grid-template-columns:1fr}
@media(min-width:900px){.contact-grid{grid-template-columns:1fr 1fr}}
.contact h2{font-size:var(--step-3);max-width:14ch;margin-top:18px}
.contact .lead{color:var(--paper-dim);margin-top:22px;max-width:42ch;font-size:var(--step-1);line-height:1.5}
.contact-meta{margin-top:38px;display:grid;gap:0;border-top:1px solid var(--line)}
.contact-meta a,.contact-meta div{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line);font-family:var(--f-mono);font-size:.82rem;letter-spacing:.03em}
.contact-meta .k{color:var(--mute);letter-spacing:.14em;text-transform:uppercase;font-size:.7rem}
.contact-meta a .v{color:var(--paper);transition:color .2s}
.contact-meta a:hover .v{color:var(--brass)}

form{display:grid;gap:18px}
.field{display:grid;gap:8px}
label{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mute)}
input,textarea{
  font-family:var(--f-body);font-size:.98rem;color:var(--paper);
  background:var(--ink);border:1px solid var(--line);padding:14px 16px;border-radius:2px;transition:border-color .2s;
}
input:focus,textarea:focus{outline:none;border-color:var(--brass)}
textarea{resize:vertical;min-height:120px}
.two{display:grid;gap:18px}
@media(min-width:560px){.two{grid-template-columns:1fr 1fr}}
form .btn{justify-content:center;width:100%}
.form-note{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.06em;color:var(--brass-dim);line-height:1.6}
.form-status{font-family:var(--f-mono);font-size:.8rem;line-height:1.6;min-height:0}
.form-status.ok{color:var(--brass)}
.form-status.err{color:#E08A7A}

/* ============================================================
   Footer
   ============================================================ */
.site-footer{background:var(--ink);border-top:1px solid var(--line);padding-block:clamp(48px,7vw,72px)}
.foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:32px;align-items:flex-start}
.foot-brand .brand{font-size:1.3rem}
.foot-brand p{color:var(--mute);font-size:.85rem;margin-top:16px;max-width:34ch;line-height:1.6}
.foot-nav{display:flex;gap:clamp(28px,5vw,64px);flex-wrap:wrap}
.foot-col h4{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mute);margin-bottom:16px;font-weight:400}
.foot-col a{display:block;color:var(--paper-dim);font-size:.9rem;padding:5px 0;transition:color .2s}
.foot-col a:hover{color:var(--brass)}
.foot-bot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;margin-top:clamp(40px,6vw,64px);padding-top:26px;border-top:1px solid var(--line);
  font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;color:var(--mute)}
.foot-legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 16px;margin-top:14px;
  font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;color:var(--mute)}
.foot-legal .tbd{font-size:.72rem}
.foot-legal-links{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.foot-legal-links a{color:var(--paper-dim);transition:color .2s}
.foot-legal-links a:hover{color:var(--brass)}
.foot-legal-links a.tbd{color:var(--brass)}

/* ============================================================
   MULTI-PAGE SITE — nav states, interior heroes, service pages,
   FAQs, gallery, CTA band. Same tokens, no new colours.
   ============================================================ */

/* --- active nav + services dropdown --- */
.nav a[aria-current="page"]{color:var(--paper)}
.nav a[aria-current="page"]::after{width:100%}
.nav .caret{font-size:.6em;opacity:.7;margin-left:.35em}
.has-sub{position:relative;display:flex;align-items:center}

@media(min-width:821px){
  .has-sub>.sub{
    position:absolute;top:100%;left:-20px;min-width:302px;
    background:var(--ink);border:1px solid var(--line);padding:8px 0;
    opacity:0;visibility:hidden;transform:translateY(6px);
    transition:opacity .2s,transform .2s,visibility .2s;
    box-shadow:0 24px 48px rgba(4,10,16,.5);
  }
  .has-sub:hover>.sub,.has-sub:focus-within>.sub{opacity:1;visibility:visible;transform:none}
  .has-sub .sub a{
    display:block;padding:11px 22px;font-size:.72rem;letter-spacing:.1em;
    text-transform:none;color:var(--paper-dim);
  }
  .has-sub .sub a::after{display:none}
  .has-sub .sub a:hover{color:var(--brass);background:rgba(87,176,222,.06)}
}

/* --- interior page hero --- */
.page-hero{position:relative;overflow:hidden;background:var(--ink);isolation:isolate}
.page-hero .bg{position:absolute;inset:0;z-index:-2}
.page-hero .bg img{width:100%;height:100%;object-fit:cover;object-position:60% 52%}
.page-hero .bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,18,28,.95) 0%,rgba(7,18,28,.84) 46%,rgba(7,18,28,.66) 100%);
}
.page-hero .inner{position:relative;padding-block:clamp(40px,6vw,64px) clamp(40px,6vw,68px)}
.page-hero h1{font-size:var(--step-3);max-width:22ch;margin-top:20px;text-wrap:balance}
.page-hero .sub{color:var(--paper-dim);max-width:54ch;margin-top:22px;font-size:var(--step-1);line-height:1.5}
.page-hero .hero-horizon{margin-top:clamp(36px,5vw,60px)}

.crumbs{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mute);margin-bottom:26px}
.crumbs a{color:var(--mute);border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.crumbs a:hover{color:var(--brass);border-color:var(--brass-dim)}
.crumbs span{color:var(--line)}
.crumbs>span:last-child{color:var(--paper-dim)}
.ribbon.three{grid-template-columns:repeat(3,1fr)}

/* --- documentary two-column rows (tech-log feel) --- */
.svc-body .wrap{display:grid;gap:clamp(32px,5vw,56px)}
.doc{display:grid;gap:clamp(16px,3vw,40px);border-top:1px solid var(--line);padding-top:clamp(22px,3vw,32px)}
@media(min-width:840px){.doc{grid-template-columns:190px 1fr}}
.doc .lbl{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--brass)}
.doc .body p{color:var(--paper-dim);max-width:64ch;margin-bottom:18px}
.doc .body p:last-child{margin-bottom:0}
.deliv.wide{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}
.deliv.wide li{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;color:var(--paper-dim);border:1px solid var(--line);padding:9px 14px;border-radius:2px}

/* --- asymmetric copy/image split --- */
.svc-how{background:var(--ink)}
.split{display:grid;gap:clamp(28px,4vw,56px);grid-template-columns:1fr}
@media(min-width:900px){.split{grid-template-columns:1.05fr .95fr;align-items:center}}
.split h2{font-size:var(--step-2);margin:18px 0 20px;max-width:24ch}
.split p{color:var(--paper-dim);max-width:56ch;margin-bottom:16px}
.split p:last-child{margin-bottom:0}

/* --- imagery band (service pages) --- */
.imgband{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));margin-top:clamp(30px,4vw,52px)}
.imgband figure{position:relative;margin:0;aspect-ratio:4/3;overflow:hidden;border:1px solid var(--line);background:var(--ink)}
.imgband img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.imgband figcaption{
  position:absolute;inset:auto 0 0 0;font-family:var(--f-mono);font-size:.6rem;
  letter-spacing:.12em;text-transform:uppercase;color:var(--paper-dim);
  padding:30px 12px 12px;line-height:1.5;
  background:linear-gradient(180deg,transparent,rgba(7,18,28,.6) 45%,rgba(7,18,28,.96));
}

/* --- gallery mosaic --- */
.gallery{background:var(--ink)}
.gal{display:grid;gap:12px;grid-template-columns:repeat(2,1fr);grid-auto-flow:dense}
@media(min-width:760px){.gal{grid-template-columns:repeat(4,1fr)}}
.gal figure{position:relative;margin:0;aspect-ratio:3/2;overflow:hidden;border:1px solid var(--line);background:var(--steel)}
.gal img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.gal figure:hover img{transform:scale(1.035)}
@media(min-width:760px){
  .gal figure:nth-child(1),.gal figure:nth-child(6){grid-column:span 2;grid-row:span 2;aspect-ratio:auto}
}
.gal .n{
  position:absolute;top:10px;left:10px;font-family:var(--f-mono);font-size:.6rem;
  letter-spacing:.16em;color:var(--paper);padding:4px 7px;
  background:rgba(7,18,28,.6);border:1px solid rgba(87,176,222,.4);
}
.gal figcaption{
  position:absolute;inset:auto 0 0 0;font-family:var(--f-mono);font-size:.62rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--paper);
  padding:30px 12px 12px;line-height:1.5;
  background:linear-gradient(180deg,transparent,rgba(7,18,28,.6) 45%,rgba(7,18,28,.96));
  opacity:0;transform:translateY(6px);transition:opacity .25s,transform .25s;
}
.gal figure:hover figcaption,.gal figure:focus-within figcaption{opacity:1;transform:none}
@media(hover:none) and (min-width:760px){.gal figcaption{opacity:1;transform:none}}
/* below the mosaic breakpoint the tiles are too small for a caption overlay;
   the description still ships in each image's alt text */
@media(max-width:759px){.gal figcaption{display:none}}
.gal-note{
  font-family:var(--f-mono);font-size:.68rem;line-height:1.8;color:var(--mute);
  margin-top:24px;max-width:78ch;border-left:1px solid var(--line);padding-left:16px;
}

/* --- services index + related lists --- */
.svc-group{margin-bottom:clamp(34px,5vw,60px)}
.svc-group-head{display:flex;align-items:baseline;gap:14px;margin-bottom:6px}
.svc-group-head .code{font-family:var(--f-mono);font-size:.8rem;letter-spacing:.18em;color:var(--brass)}
.svc-group-head .lbl{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mute)}
.svc-list{border-top:1px solid var(--line)}
.svc-item{
  display:grid;grid-template-columns:auto 1fr auto;gap:14px 20px;align-items:baseline;
  padding:22px 0;border-bottom:1px solid var(--line);transition:background .2s,padding-inline .2s;
}
.svc-item .n{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.14em;color:var(--brass-dim);transition:color .2s}
.svc-item .t{display:block}
.svc-item .t b{display:block;font-family:var(--f-display);font-weight:700;font-size:var(--step-1);letter-spacing:-.01em;transition:color .2s}
.svc-item .t em{display:block;font-style:normal;color:var(--mute);font-size:.92rem;margin-top:6px;max-width:60ch}
.svc-item .arw{font-family:var(--f-mono);color:var(--brass-dim);transition:transform .25s,color .2s}
.svc-item:hover{background:rgba(87,176,222,.04)}
.svc-item:hover .t b,.svc-item:hover .n{color:var(--brass)}
.svc-item:hover .arw{transform:translateX(5px);color:var(--brass)}
.svc-more{background:var(--ink)}
/* inside a grouped index the phase code is already in the group header */
.svc-group .svc-item{grid-template-columns:1fr auto}
.svc-group .svc-item .n{display:none}

/* home: service links inside a lifecycle stage */
.svc-links{list-style:none;padding:0;margin:22px 0 0;border-top:1px solid var(--line)}
.svc-links li{border-bottom:1px solid var(--line)}
.svc-links a{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:13px 0;font-size:.95rem;color:var(--paper);transition:color .2s}
.svc-links a:hover{color:var(--brass)}
.svc-links .arw{font-family:var(--f-mono);color:var(--brass-dim);transition:transform .25s,color .2s}
.svc-links a:hover .arw{transform:translateX(5px);color:var(--brass)}

.outside{margin-top:clamp(48px,7vw,84px);padding-top:clamp(28px,4vw,40px);border-top:1px solid var(--line)}
.outside-head{max-width:52ch;margin-bottom:8px}
.outside-head p{color:var(--mute);margin-top:14px;font-size:.95rem}
@media(min-width:900px){.outside{display:grid;grid-template-columns:88px 1fr;column-gap:clamp(24px,4vw,56px);align-items:start}
  .outside-head{grid-column:2}
  .outside .svc-links{grid-column:2;margin-top:14px}}

/* --- FAQs (light section for rhythm) --- */
.faqs{background:var(--paper);color:var(--ink);--brass-dim:#2A6C97}
.faqs .eyebrow{color:var(--brass-dim)}
.faqs .eyebrow::before{background:var(--brass-dim)}
.faqs .section-head h2{color:var(--ink)}
.faqs .section-head{margin-bottom:clamp(28px,4vw,44px)}
.faq{border-top:1px solid #d3dae1}
.faq details{border-bottom:1px solid #d3dae1}
.faq summary{
  cursor:pointer;padding:22px 0;list-style:none;display:flex;justify-content:space-between;
  gap:24px;align-items:baseline;font-family:var(--f-display);font-weight:600;
  font-size:var(--step-1);line-height:1.25;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--f-mono);color:var(--brass-dim);font-size:1.2rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq summary:hover{color:var(--brass-dim)}
.faq .a{padding:0 0 26px;max-width:72ch}
.faq .a p{color:#3d5265;line-height:1.6}
.faqs .tbd,.approach .tbd{color:var(--brass-dim);border-bottom-color:var(--brass-dim)}

/* --- contact CTA band --- */
.cta-band{background:var(--navy);border-top:1px solid var(--line)}
.cta-band .wrap{padding-block:clamp(56px,8vw,110px);display:grid;gap:clamp(32px,5vw,64px)}
@media(min-width:900px){.cta-band .wrap{grid-template-columns:1.1fr .9fr;align-items:end}}
.cta-band h2{font-size:var(--step-3);max-width:17ch;margin-top:18px}
.cta-band .lead{color:var(--paper-dim);margin-top:22px;max-width:46ch;font-size:var(--step-1);line-height:1.5}
.cta-meta{border-top:1px solid var(--line)}
.cta-meta .row{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid var(--line);font-family:var(--f-mono);font-size:.8rem}
.cta-meta .k{color:var(--mute);letter-spacing:.14em;text-transform:uppercase;font-size:.68rem}
.cta-meta .v{color:var(--paper);text-align:right}
.cta-meta a{transition:color .2s}
.cta-meta a:hover{color:var(--brass)}

/* --- "more" inline link --- */
.more{margin-top:clamp(26px,4vw,38px)}
.more a{font-family:var(--f-mono);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brass);border-bottom:1px solid var(--brass-dim);padding-bottom:3px;display:inline-flex;gap:10px;align-items:center}
.more a .arw{transition:transform .22s}
.more a:hover .arw{transform:translateX(4px)}
.approach .more a{color:var(--brass-dim);border-bottom-color:var(--brass-dim)}

/* home: condensed "why" block, two columns of values */
.why-cond .values{border-top:1px solid #d3dae1}
@media(min-width:780px){
  .why-cond .values{grid-template-columns:1fr 1fr;column-gap:clamp(32px,5vw,72px)}
}

/* --- contact page: what happens next --- */
.next{margin-top:clamp(38px,5vw,56px);border-top:1px solid var(--line);padding-top:26px}
.next h3{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mute);font-weight:400}
.next ol{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:16px}
.next li{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:baseline}
.next .n{font-family:var(--f-mono);font-size:.74rem;color:var(--brass-dim);letter-spacing:.12em}
.next p{color:var(--paper-dim);font-size:.94rem;line-height:1.6}
.contact-meta .v.tbd{text-align:right}
.contact h2{max-width:20ch}

/* ============================================================
   Reveal animation
   ============================================================ */
/* fail-visible: only hide when JS is present to bring it back */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
.js .hero-horizon .line{transform:scaleX(0)}
.js .hero-horizon.in .line{transform:scaleX(1);transition:transform 1.1s cubic-bezier(.6,0,.1,1) .2s}

/* ============================================================
   Mobile nav
   ============================================================ */
@media(max-width:820px){
  .nav-links{
    position:fixed;inset:68px 0 auto 0;flex-direction:column;gap:0;
    background:var(--ink);border-bottom:1px solid var(--line);
    padding:8px var(--gutter) 20px;transform:translateY(-120%);transition:transform .3s;
    max-height:calc(100dvh - 68px);overflow-y:auto;overscroll-behavior:contain;
  }
  .nav-links.open{transform:none}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line)}
  /* the services sub-list stays open inline: the mobile menu doubles as a site index */
  .has-sub{display:block}
  .has-sub .caret{display:none}
  .has-sub .sub{display:flex;flex-direction:column}
  .has-sub .sub a{
    display:block;padding:12px 0 12px 20px;font-size:.68rem;color:var(--mute);
    text-transform:none;letter-spacing:.08em;line-height:1.4;
  }
  .has-sub .sub a::before{content:"—";color:var(--brass-dim);margin-right:10px}
  .has-sub .sub a::after{left:20px}
  .nav-toggle{display:inline-flex;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
  .nav-toggle span{width:22px;height:1.5px;background:var(--paper);display:block;transition:.25s}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
}
@media(max-width:560px){
  .ribbon{grid-template-columns:1fr 1fr}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .js .hero-horizon .line{transform:none;transition:none}
  *{animation:none!important}
  .btn .arw{transition:none}
}