/* =========================================================
   TECHBOAR — Global Events & Exhibitions
   Design tokens: black / gold / navy / white
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@500;600;700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  /* --- palette --- */
  --black:        #0A0A0C;
  --near-black:   #131417;
  --navy:         #0B1E3D;
  --navy-dk:      #071427;
  --gold:         #C9A227;
  --gold-light:   #E7C766;
  --gold-dk:      #9C7A1B;
  --white:        #FFFFFF;
  --paper:        #F7F6F3;
  --line:         #E3E0D6;
  --line-dk:      #2A2C33;
  --ink-soft:     #55585F;
  --confirm:      #2E7D4F;

  /* --- type --- */
  --font-display: 'Montserrat', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* --- layout --- */
  --maxw: 1240px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 4px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; text-size-adjust:100%; }
html,body{ max-width:100%; overflow-x:hidden; }
body{
  margin:0;
  background:var(--white);
  color:var(--black);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg{ max-width:100%; display:block; }
h1,h2,h3{ text-wrap:balance; }
p, .card p, .service-body p{ text-wrap:pretty; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }
input,select,textarea{ font-family:inherit; font-size:1rem; }

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.12;
  margin:0 0 .5em;
  letter-spacing:-.01em;
  color:var(--navy);
}
h1{ font-size:clamp(2.3rem,5vw,4rem); font-weight:800; color:var(--black); }
h2{ font-size:clamp(1.8rem,3.2vw,2.6rem); }
h3{ font-size:clamp(1.15rem,2vw,1.4rem); font-weight:700; }
p{ margin:0 0 1em; color:var(--ink-soft); }

.mono{ font-family:var(--font-mono); }
.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--gold-dk);
  display:flex;
  align-items:center;
  gap:.6em;
  margin-bottom:1em;
  font-weight:700;
}
.eyebrow::before{
  content:"";
  width:26px; height:2px;
  background:var(--gold);
  display:inline-block;
}

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

/* =========================================================
   LAYOUT UTILITIES — collapse cleanly on mobile
   ========================================================= */
.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:3.5rem; align-items:center; }
.two-col.reverse .media{ order:1; }
.two-col.reverse .two-col-text{ order:2; }

.cta-row{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:1.6rem; }

.hero-media{ border-radius:0; aspect-ratio:auto; height:min(88vh,760px); }
.hero-overlay{ position:absolute; inset:0; display:flex; flex-direction:column; justify-content:center; z-index:2; }
.hero-title{ max-width:16ch; }

/* --- gold hairline divider used as a signature device --- */
.gold-rule{ height:2px; background:linear-gradient(90deg, var(--gold) 0%, var(--gold-light) 45%, transparent 100%); border:none; }

/* =========================================================
   SCROLL-REVEAL ANIMATION
   ========================================================= */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in-view{ opacity:1; transform:translateY(0); }
.reveal-delay-1{ transition-delay:.08s; }
.reveal-delay-2{ transition-delay:.16s; }
.reveal-delay-3{ transition-delay:.24s; }
.reveal-delay-4{ transition-delay:.32s; }

@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* =========================================================
   BUTTONS — with motion
   ========================================================= */
.btn{
  position:relative;
  display:inline-flex; align-items:center; gap:.55em;
  font-family:var(--font-mono);
  font-size:.8rem;
  font-weight:700;
  letter-spacing:.05em;
  text-transform:uppercase;
  padding:.95em 1.7em;
  border-radius:var(--radius);
  border:1.5px solid var(--black);
  overflow:hidden;
  transition:color .25s ease, border-color .25s ease, transform .2s ease, box-shadow .25s ease;
  white-space:nowrap;
}
.btn::before{
  content:"";
  position:absolute; inset:0;
  transform:scaleX(0); transform-origin:left;
  transition:transform .32s cubic-bezier(.65,0,.35,1);
  z-index:0;
}
.btn > *{ position:relative; z-index:1; }

.btn-primary{ background:var(--black); color:var(--white); border-color:var(--black); }
.btn-primary::before{ background:var(--gold); }
.btn-primary:hover{ color:var(--black); transform:translateY(-2px); box-shadow:0 10px 24px rgba(201,162,39,.28); }
.btn-primary:hover::before{ transform:scaleX(1); }

.btn-outline{ background:transparent; color:var(--black); border-color:var(--black); }
.btn-outline::before{ background:var(--navy); }
.btn-outline:hover{ color:var(--white); border-color:var(--navy); transform:translateY(-2px); }
.btn-outline:hover::before{ transform:scaleX(1); }

.btn-signal{ background:var(--gold); border-color:var(--gold); color:var(--black); }
.btn-signal::before{ background:var(--navy); }
.btn-signal:hover{ color:var(--white); border-color:var(--navy); transform:translateY(-2px); box-shadow:0 10px 26px rgba(11,30,61,.3); }
.btn-signal:hover::before{ transform:scaleX(1); }

.btn-block{ width:100%; justify-content:center; }
.btn[disabled]{ opacity:.5; cursor:not-allowed; transform:none !important; }

/* =========================================================
   IMAGE TREATMENT — zoom on hover, gold frame accent
   ========================================================= */
.media{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius);
  background:var(--near-black);
}
.media img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .6s cubic-bezier(.25,.8,.3,1), filter .5s ease;
  display:block;
}
.media:hover img{ transform:scale(1.07); }
.media::after{
  content:"";
  position:absolute; inset:0;
  box-shadow:inset 0 0 0 0 var(--gold);
  transition:box-shadow .35s ease;
  pointer-events:none;
}
.media:hover::after{ box-shadow:inset 0 0 0 3px var(--gold); }
.media .media-caption{
  position:absolute; left:0; right:0; bottom:0;
  padding:1.1rem 1.3rem;
  background:linear-gradient(0deg, rgba(10,10,12,.88) 0%, transparent 100%);
  color:var(--white);
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  transform:translateY(6px);
  opacity:.92;
}

/* =========================================================
   HEADER / NAV
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:.7rem var(--gutter);
  max-width:var(--maxw); margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:.7rem; }
.brand img{ height:44px; width:auto; transition:transform .3s ease; }
.brand:hover img{ transform:scale(1.04); }

.nav-links{ display:flex; align-items:center; gap:2.1rem; }
.nav-links a{
  font-family:var(--font-mono); font-size:.78rem; letter-spacing:.03em;
  text-transform:uppercase; color:var(--ink-soft); position:relative; padding:.3em 0;
  font-weight:600;
  transition:color .2s ease;
}
.nav-links a:hover{ color:var(--navy); }
.nav-links a.active{ color:var(--navy); }
.nav-links a:not(.btn)::after{
  content:""; position:absolute; left:0; right:100%; bottom:-6px; height:2px; background:var(--gold);
  transition:right .28s cubic-bezier(.65,0,.35,1);
}
.nav-links a:not(.btn):hover::after,
.nav-links a.active:not(.btn)::after{ right:0; }
.nav-cta{ margin-left:.4rem; }

.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:none; padding:.4rem;
}
.nav-toggle span{ width:24px; height:2px; background:var(--black); display:block; transition:transform .2s ease, opacity .2s ease; }

/* =========================================================
   PAGE HEADER (interior pages)
   ========================================================= */
.page-header{
  padding:6.5rem 0 3.5rem;
  background:var(--navy);
  color:var(--white);
  position:relative;
  overflow:hidden;
}
.page-header::before{
  content:"";
  position:absolute; inset:0;
  background-image:radial-gradient(circle at 82% 20%, rgba(201,162,39,.18), transparent 55%);
}
.page-header .wrap{ position:relative; z-index:1; }
.page-header h1{ color:var(--white); }
.page-header .eyebrow{ color:var(--gold-light); }
.page-header .eyebrow::before{ background:var(--gold-light); }
.page-header .meta-row{
  display:flex; flex-wrap:wrap; gap:1.6rem; margin-top:1.4rem;
  font-family:var(--font-mono); font-size:.78rem; color:#C7CEDC;
}
.page-header .meta-row span b{ color:var(--gold-light); font-weight:700; }

/* =========================================================
   SECTION SPACING
   ========================================================= */
section{ padding:5rem 0; }
.section-tight{ padding:3rem 0; }
.section-dark{ background:var(--black); color:var(--white); }
.section-dark h2, .section-dark h3{ color:var(--white); }
.section-dark p{ color:#B9BAC0; }
.section-navy{ background:var(--navy); color:var(--white); }
.section-navy h2, .section-navy h3{ color:var(--white); }
.section-navy p{ color:#C7CEDC; }
.section-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:2rem; margin-bottom:2.6rem; flex-wrap:wrap; }
.section-head p{ max-width:46ch; margin:0; }
hr.rule{ border:none; border-top:1px solid var(--line); margin:0; }

/* =========================================================
   CARDS / GRIDS
   ========================================================= */
.grid{ display:grid; gap:1.6rem; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }

.card{
  background:var(--white);
  border:1px solid var(--line);
  padding:1.9rem;
  position:relative;
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.card:hover{ transform:translateY(-5px); box-shadow:0 16px 34px rgba(11,30,61,.12); border-color:var(--gold); }
.card .tag{
  font-family:var(--font-mono); font-size:.68rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--gold-dk); margin-bottom:.9em; display:block; font-weight:700;
}
.card h3{ margin-bottom:.4em; }
.card p{ font-size:.94rem; margin-bottom:0; }

/* service / feature card with image */
.service-card{ background:var(--white); border:1px solid var(--line); overflow:hidden; transition:transform .3s ease, box-shadow .3s ease; }
.service-card:hover{ transform:translateY(-6px); box-shadow:0 18px 36px rgba(11,30,61,.14); }
.service-card .media{ aspect-ratio:4/3; }
.service-card .service-body{ padding:1.6rem 1.7rem 1.8rem; }
.service-card .tag{ font-family:var(--font-mono); font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; color:var(--gold-dk); font-weight:700; }

/* stat block */
.stat-card{
  border:1px solid var(--line-dk); padding:1.9rem; position:relative;
  transition:border-color .3s ease, transform .3s ease;
}
.stat-card:hover{ border-color:var(--gold); transform:translateY(-4px); }
.stat-card h3{ font-family:var(--font-mono); font-size:2.1rem; color:var(--gold-light); margin-bottom:.2em; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{ background:var(--black); color:#B9BAC0; padding:3.8rem 0 2rem; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:2.5rem; margin-bottom:2.5rem; }
.footer-logo-badge{
  display:inline-flex; align-items:center; background:var(--white); padding:.6rem 1rem;
  border-radius:var(--radius); margin-bottom:1rem;
}
.footer-logo-badge img{ height:34px; }
.footer-grid h4{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color:var(--gold-light); margin-bottom:1em; }
.footer-grid a{ display:block; font-size:.9rem; color:#B9BAC0; margin-bottom:.6em; transition:color .2s ease, padding-left .2s ease; }
.footer-grid a:hover{ color:var(--gold-light); padding-left:.3em; }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:1rem;
  padding-top:1.6rem; border-top:1px solid var(--line-dk);
  font-family:var(--font-mono); font-size:.72rem; color:#7C7E86; letter-spacing:.03em;
}

/* =========================================================
   FORMS
   ========================================================= */
.field{ margin-bottom:1.3rem; }
.field label{
  display:block; font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em;
  text-transform:uppercase; color:var(--ink-soft); margin-bottom:.5em; font-weight:600;
}
.field input, .field select, .field textarea{
  width:100%; padding:.85em 1em; border:1px solid var(--line); background:var(--white);
  color:var(--black); border-radius:var(--radius); transition:border-color .2s ease, box-shadow .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--gold); box-shadow:0 0 0 3px rgba(201,162,39,.18);
}
.field textarea{ resize:vertical; min-height:120px; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:1.2rem; }
.checkbox-field{ display:flex; align-items:flex-start; gap:.7em; font-size:.86rem; color:var(--ink-soft); }
.checkbox-field input{ width:auto; margin-top:.25em; }
.form-note{ font-size:.8rem; color:var(--ink-soft); }
.form-success{
  display:none; background:var(--confirm); color:var(--white); padding:1.4em 1.6em;
  border-radius:var(--radius); font-size:.92rem; margin-top:1.2rem;
}
.form-success.show{ display:block; animation:fadeIn .4s ease; }
@keyframes fadeIn{ from{ opacity:0; transform:translateY(-6px);} to{ opacity:1; transform:translateY(0);} }

/* focus visibility for a11y */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline:2px solid var(--gold); outline-offset:2px;
}

/* =========================================================
   RESPONSIVE — TABLET
   ========================================================= */
@media (max-width:1024px){
  .grid-4{ grid-template-columns:repeat(2,1fr); }
  .grid-3{ grid-template-columns:repeat(2,1fr); }
  .footer-grid{ grid-template-columns:1.4fr 1fr 1fr; }
  .field-row{ grid-template-columns:1fr; }
  .two-col{ gap:2.4rem; }
}

/* =========================================================
   RESPONSIVE — MOBILE / NAV COLLAPSE
   ========================================================= */
@media (max-width:860px){
  .nav{ padding:.6rem var(--gutter); }
  .brand img{ height:36px; }
  .nav-toggle{ display:flex; }
  .nav-links{
    position:fixed; inset:0 0 0 auto; top:65px;
    width:100%; height:calc(100vh - 65px);
    background:var(--white);
    flex-direction:column; align-items:flex-start; gap:0;
    padding:.5rem var(--gutter) 2rem;
    transform:translateX(100%); transition:transform .3s cubic-bezier(.65,0,.35,1);
    border-top:1px solid var(--line);
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-links a{ width:100%; padding:1.1em 0; border-bottom:1px solid var(--line); font-size:1rem; }
  .nav-cta{ margin-left:0; margin-top:1.2rem; width:100%; }
  .nav-cta .btn{ width:100%; justify-content:center; padding:1.05em 1.7em; }

  /* one clean column everywhere content used to sit side-by-side */
  .grid-4,.grid-3,.grid-2{ grid-template-columns:1fr; gap:1.3rem; }
  .two-col{ grid-template-columns:1fr; gap:1.8rem; }
  .two-col.reverse .media,
  .two-col.reverse .two-col-text{ order:0; }

  .footer-grid{ grid-template-columns:1fr 1fr; gap:2rem 1.5rem; }
  section{ padding:3.2rem 0; }
  .section-tight{ padding:2rem 0; }
  .page-header{ padding:4.5rem 0 2.2rem; }
  .section-head{ align-items:flex-start; gap:1.2rem; margin-bottom:2rem; }
  .section-head > a.btn{ width:100%; justify-content:center; }

  h1{ line-height:1.16; }
  h2{ line-height:1.2; }
  .hero-title{ max-width:none; }
  .wrap{ padding:0 1.25rem; }

  .hero-media{ height:78vh; min-height:460px; max-height:640px; }

  /* image/media never crowds text — consistent ratio, no odd crops */
  .service-card .media{ aspect-ratio:16/10; }
  .card, .service-card .service-body, .stat-card{ padding:1.5rem; }

  /* CTA banners: stack and give the button full width so it reads as a tap target, not a stray link */
  .cta-row{ flex-direction:column; align-items:flex-start; gap:1.2rem; }
  .cta-row > .btn{ width:100%; justify-content:center; }

  .page-header .meta-row{ flex-direction:column; gap:.6rem; }

  .footer-bottom{ flex-direction:column; align-items:flex-start; gap:.6rem; text-align:left; }
}

/* =========================================================
   RESPONSIVE — SMALL PHONES
   ========================================================= */
@media (max-width:480px){
  :root{ --gutter:1.1rem; }
  body{ font-size:15.5px; }
  .footer-grid{ grid-template-columns:1fr; gap:2rem; }
  .btn{ font-size:.76rem; padding:.9em 1.4em; letter-spacing:.03em; }
  .eyebrow{ font-size:.66rem; letter-spacing:.12em; }
  .card, .service-card .service-body{ padding:1.3rem; }
  .stat-card h3{ font-size:1.8rem; }
  .hero-media{ height:72vh; min-height:420px; }
  section{ padding:2.6rem 0; }
  .page-header{ padding:4rem 0 2rem; }
  .footer-logo-badge img{ height:28px; }
  .promo-row{ flex-direction:column; }
  .promo-row .btn{ width:100%; justify-content:center; }
}

/* =========================================================
   RESPONSIVE — very small / older devices
   ========================================================= */
@media (max-width:360px){
  h1{ font-size:2rem; }
  h2{ font-size:1.55rem; }
  .btn{ font-size:.72rem; padding:.85em 1.2em; }
}