/* ==========================================================================
   ZIELIT — Design tokens
   Palette pulled from the mark: the coral X, the indigo pixel-stack, ink.
   Void        #14111F  deep violet-black, hero / dark sections
   Ember       #FF5A3C  coral-red, primary accent (from the X)
   Cobalt      #4A3AA8  indigo-violet, secondary accent (from the pixels)
   Chalk       #F5F5FA  cool paper white, light sections
   Ink         #1B1830  near-black violet, body text on light
   Signal      #2FD68C  muted green, used only for "live/compliant" states
   ========================================================================== */

:root{
  --void: #14111F;
  --void-soft: #1D1A2B;
  --ember: #EF4D3B;
  --ember-dim: #D53A28;
  --cobalt: #4D479A;
  --cobalt-soft: #7A72C4;
  --chalk: #F5F5FA;
  --paper: #FCFBFE;
  --ink: #1B1830;
  --ink-soft: #514C6B;
  --line: #E4E1EE;
  --signal: #2FD68C;

  --display: "Libre Franklin", "Arial Narrow", sans-serif;
  --body: "Source Sans 3", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "IBM Plex Mono", "Courier New", monospace;

  --container: 1180px;
  --radius: 14px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *,*::before,*::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body{
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,h2,h3,h4{
  font-family: var(--display);
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.06;
  font-weight: 700;
}

p{ margin: 0; }
a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }
button{ font-family: inherit; cursor: pointer; }
ul{ margin:0; padding:0; list-style:none; }

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow{
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ember);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before{
  content: "";
  width: 22px;
  height: 1.5px;
  background: var(--ember);
  display: inline-block;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1.5px solid transparent;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
  white-space: nowrap;
}
.btn-primary{
  background: var(--ember);
  color: #fff;
  box-shadow: 0 10px 24px -10px rgba(255,90,60,.65);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 14px 30px -10px rgba(255,90,60,.75); background: var(--ember-dim); }

.btn-ghost{
  background: transparent;
  color: var(--chalk);
  border-color: rgba(245,245,250,.28);
}
.btn-ghost:hover{ border-color: rgba(245,245,250,.7); transform: translateY(-2px); }

.btn-outline{
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-outline:hover{ border-color: var(--ink); transform: translateY(-2px); }

/* ---------- Nav ---------- */
.nav{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 22px 0;
  transition: padding .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
}
.nav.scrolled{
  padding: 12px 0;
  background: rgba(20,17,31,.82);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(255,255,255,.06);
}
.nav .container{ display:flex; align-items:center; justify-content:space-between; gap: 20px; }
.brand{ display:flex; align-items:center; gap:10px; }
.brand img{ height: 30px; width: auto; }
.brand-mark{ font-family: var(--display); font-weight: 700; font-size: 20px; color:#fff; letter-spacing:-0.01em; }
.brand-mark span{ color: var(--ember); }

.nav-links{ display:flex; align-items:center; gap: 34px; }
.nav-links a{
  color: rgba(245,245,250,.78);
  font-size: 14.5px;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
  transition: color .25s var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute; left:0; right:100%; bottom:-2px;
  height:1.5px; background: var(--ember);
  transition: right .3s var(--ease);
}
.nav-links a:hover{ color: #fff; }
.nav-links a:hover::after{ right:0; }

.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-toggle{ display:none; background:none; border:0; width:34px; height:24px; position:relative; }
.nav-toggle span{ position:absolute; left:0; right:0; height:2px; background:#fff; transition: transform .3s var(--ease), opacity .3s var(--ease); }
.nav-toggle span:nth-child(1){ top:0; }
.nav-toggle span:nth-child(2){ top:11px; }
.nav-toggle span:nth-child(3){ top:22px; }
.nav-toggle.open span:nth-child(1){ transform: translateY(11px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform: translateY(-11px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero{
  background: var(--void);
  color: #fff;
  padding: 168px 0 110px;
  position: relative;
  overflow: hidden;
}
.hero::before{
  content:"";
  position:absolute; inset: -20% -10% auto -10%;
  height: 700px;
  background:
    radial-gradient(600px 380px at 18% 20%, rgba(255,90,60,.20), transparent 60%),
    radial-gradient(560px 420px at 85% 10%, rgba(108,92,231,.28), transparent 60%);
  pointer-events: none;
}
.hero .container{
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 50px;
  align-items: center;
}
.hero-copy h1{
  font-size: clamp(38px, 5vw, 62px);
  margin: 20px 0 22px;
}
.hero-copy h1 em{
  font-style: normal;
  background: linear-gradient(92deg, var(--ember), #FF8A5C 60%, var(--cobalt-soft));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-copy p{
  font-size: 18px;
  line-height: 1.6;
  color: rgba(245,245,250,.72);
  max-width: 480px;
  margin-bottom: 34px;
}
.hero-actions{ display:flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-channels{ display:flex; gap: 22px; flex-wrap: wrap; align-items:center; }
.hero-channels span{
  font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  color: rgba(245,245,250,.4);
}
.hero-channels .chips{ display:flex; gap:10px; flex-wrap:wrap; }
.chip{
  font-size: 13px; font-weight: 600; color: rgba(245,245,250,.85);
  border:1px solid rgba(245,245,250,.16); padding: 7px 13px; border-radius: 999px;
  background: rgba(245,245,250,.04);
}

/* signature: signal constellation */
.constellation{ position: relative; width: 100%; aspect-ratio: 1/1; max-width: 480px; margin: 0 auto; }
.constellation svg{ width:100%; height:100%; overflow: visible; }
.const-line{ stroke: rgba(245,245,250,.22); stroke-width: 1.2; fill:none; }
.const-pulse{ stroke: var(--ember); stroke-width: 2; fill:none; stroke-linecap: round; stroke-dasharray: 8 220; stroke-dashoffset: 0; animation: travel 3.2s linear infinite; }
.const-pulse.p2{ stroke: var(--cobalt-soft); animation-delay: .6s; animation-duration: 3.6s; }
.const-pulse.p3{ animation-delay: 1.3s; animation-duration: 2.9s; }
.const-pulse.p4{ stroke: var(--cobalt-soft); animation-delay: 1.9s; animation-duration: 3.3s; }
.const-pulse.p5{ animation-delay: 2.4s; animation-duration: 3.1s; }
@keyframes travel{ from{ stroke-dashoffset: 220; } to{ stroke-dashoffset: -60; } }

.const-hub{ transform-origin: center; animation: pulse-scale 2.6s ease-in-out infinite; }
@keyframes pulse-scale{ 0%,100%{ transform: scale(1); } 50%{ transform: scale(1.06); } }
.const-hub-ring{ animation: ring-grow 2.6s ease-out infinite; transform-origin: center; }
@keyframes ring-grow{ 0%{ transform: scale(.9); opacity:.6; } 100%{ transform: scale(1.9); opacity:0; } }

.const-node{ transition: transform .3s var(--ease); }
.const-node-label{
  font-family: var(--mono); font-size: 10.5px; fill: rgba(245,245,250,.68); letter-spacing: .03em;
}

/* ---------- Section shell ---------- */
section{ position: relative; }
.section{ padding: 110px 0; }
.section-head{ max-width: 640px; margin-bottom: 56px; }
.section-head h2{ font-size: clamp(30px, 3.6vw, 44px); margin-top: 16px; }
.section-head p{ margin-top: 18px; font-size: 17px; line-height: 1.65; color: var(--ink-soft); }
.section-light{ background: var(--paper); }
.section-tint{ background: var(--chalk); }
.section-dark{ background: var(--void); color:#fff; }
.section-dark .section-head p{ color: rgba(245,245,250,.68); }

/* ---------- About / who we are ---------- */
.about-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items:center; }
.about-quote{
  font-family: var(--display); font-size: 26px; line-height: 1.35; font-weight: 500;
  padding-left: 26px; border-left: 3px solid var(--ember); color: var(--ink);
}
.about-stats{ display:grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 40px; }
.about-stats div{ border-top: 1px solid var(--line); padding-top: 14px; }
.about-stats strong{ display:block; font-family: var(--display); font-size: 22px; }
.about-stats span{ font-size: 13px; color: var(--ink-soft); }

/* ---------- Services ---------- */
.services-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.svc-card{
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
  position: relative;
  overflow: hidden;
}
.svc-card::before{
  content:"";
  position:absolute; inset:0; opacity:0; transition: opacity .4s var(--ease);
  background: linear-gradient(160deg, rgba(255,90,60,.06), rgba(108,92,231,.05) 60%, transparent);
}
.svc-card:hover{ transform: translateY(-6px); box-shadow: 0 24px 40px -22px rgba(27,24,48,.25); border-color: transparent; }
.svc-card:hover::before{ opacity:1; }
.svc-icon{
  width: 46px; height: 46px; border-radius: 12px;
  display:flex; align-items:center; justify-content:center;
  background: var(--void); color: var(--ember);
  margin-bottom: 22px; position: relative; z-index:1;
}
.svc-card h3{ font-size: 20px; margin-bottom: 10px; position: relative; z-index:1; }
.svc-card p{ font-size: 15px; line-height: 1.6; color: var(--ink-soft); position: relative; z-index:1; }
.svc-card .tag{
  display:inline-block; margin-top:16px; font-family: var(--mono); font-size: 11px;
  letter-spacing: .06em; text-transform: uppercase; color: var(--cobalt); position: relative; z-index:1;
}
.svc-card.wide{ grid-column: span 1; }

/* ---------- Process ---------- */
.process{ display:grid; grid-template-columns: repeat(4,1fr); gap: 0; position: relative; }
.process::before{
  content:""; position:absolute; top: 26px; left: 6%; right:6%; height:1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 8px, transparent 8px 16px);
}
.proc-step{ position: relative; padding-right: 24px; }
.proc-num{
  font-family: var(--mono); font-size: 13px; color: var(--ember);
  width: 52px; height:52px; border-radius: 50%; border: 1.5px solid var(--ember);
  display:flex; align-items:center; justify-content:center; background: var(--paper);
  position: relative; z-index: 1; margin-bottom: 22px;
}
.proc-step h4{ font-size: 18px; margin-bottom: 10px; }
.proc-step p{ font-size: 14.5px; color: var(--ink-soft); line-height: 1.6; }

/* ---------- Channels marquee ---------- */
.marquee-wrap{ overflow: hidden; border-top: 1px solid rgba(245,245,250,.1); border-bottom: 1px solid rgba(245,245,250,.1); padding: 26px 0; }
.marquee{ display:flex; gap: 64px; width: max-content; animation: scroll-x 26s linear infinite; }
@keyframes scroll-x{ from{ transform: translateX(0);} to{ transform: translateX(-50%);} }
.marquee-item{ display:flex; align-items:center; gap:12px; font-family: var(--display); font-size: 18px; color: rgba(245,245,250,.5); white-space:nowrap; }
.marquee-item svg{ width:20px; height:20px; opacity:.7; }

/* ---------- Why us ---------- */
.why-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.why-card{ display:flex; gap:18px; padding: 26px 6px; border-bottom: 1px solid rgba(245,245,250,.12); }
.why-num{ font-family: var(--mono); font-size: 13px; color: var(--ember); padding-top:3px; }
.why-card h4{ font-size: 17px; margin-bottom: 8px; color: #fff; }
.why-card p{ font-size: 14.5px; color: rgba(245,245,250,.62); line-height: 1.6; }

/* ---------- Brand story ---------- */
.brand-story{
  display:flex; gap:20px; align-items:flex-start;
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 28px; margin-top: 40px; background: var(--chalk);
}
.brand-story .mark{ width:40px; flex-shrink:0; margin-top:4px; }
.brand-story p{ font-size: 14.5px; line-height: 1.65; color: var(--ink-soft); }
.brand-story strong{ color: var(--ink); }

/* ---------- Industries ---------- */
.industries-grid{ display:grid; grid-template-columns: repeat(5,1fr); gap: 16px; }
.ind-card{
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 18px; text-align:center; background:#fff;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.ind-card:hover{ transform: translateY(-5px); box-shadow: 0 20px 34px -20px rgba(27,24,48,.22); border-color: transparent; }
.ind-icon{ width:44px; height:44px; margin: 0 auto 16px; border-radius:50%; background: var(--chalk); display:flex; align-items:center; justify-content:center; color: var(--cobalt); }
.ind-card h4{ font-size: 15px; margin-bottom: 6px; }
.ind-card p{ font-size: 12.5px; color: var(--ink-soft); line-height:1.5; }

/* ---------- Governance ---------- */
.gov-wrap{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items:start; }
.gov-panel{ background: var(--void); border-radius: var(--radius); padding: 34px; }
.gov-pillars{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.gov-pillar{
  border: 1px solid rgba(245,245,250,.14); border-radius: var(--radius);
  padding: 24px; background: rgba(245,245,250,.03);
}
.gov-pillar .gicon{ width:36px; height:36px; border-radius:9px; background: rgba(239,77,59,.14); color: var(--ember); display:flex; align-items:center; justify-content:center; margin-bottom:16px; }
.gov-pillar h4{ font-size:15.5px; color:#fff; margin-bottom:8px; }
.gov-pillar p{ font-size:13.5px; color: rgba(245,245,250,.6); line-height:1.6; }
.gov-badge{
  display:inline-flex; align-items:center; gap:8px; font-family: var(--mono); font-size:11.5px;
  color: var(--signal); border:1px solid rgba(47,214,140,.35); background: rgba(47,214,140,.08);
  padding: 7px 13px; border-radius: 999px; margin-top: 22px;
}
.gov-badge svg{ width:13px; height:13px; }

/* ---------- Perspectives ---------- */
.persp-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.persp-card{
  border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; background:#fff;
  display:flex; flex-direction:column; height:100%;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.persp-card:hover{ transform: translateY(-5px); box-shadow: 0 20px 36px -20px rgba(27,24,48,.22); }
.persp-tag{ font-family: var(--mono); font-size:11px; letter-spacing:.06em; text-transform:uppercase; color: var(--cobalt); margin-bottom:14px; }
.persp-card h4{ font-size: 17px; line-height:1.35; margin-bottom:12px; }
.persp-card p{ font-size:13.5px; color: var(--ink-soft); line-height:1.6; flex-grow:1; }
.persp-link{ margin-top:18px; font-size:13.5px; font-weight:600; color: var(--ember); display:inline-flex; align-items:center; gap:6px; }

/* ---------- Quotes strip ---------- */
.quote-strip{ display:grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.quote-card{ background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.quote-card p{ font-family: var(--display); font-size: 18px; line-height: 1.4; margin-bottom: 14px; }
.quote-card span{ font-size: 13px; color: var(--ink-soft); font-family: var(--mono); }

/* ---------- Careers ---------- */
.careers{ display:grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items:center; }
.careers-list{ display:flex; flex-direction:column; gap:16px; margin-top: 24px; }
.careers-list li{ display:flex; align-items:center; gap:12px; font-size:15px; color: var(--ink-soft); }
.careers-list li svg{ width:18px; height:18px; color: var(--signal); flex-shrink:0; }

/* ---------- Contact ---------- */
.contact-wrap{ display:grid; grid-template-columns: 0.85fr 1.15fr; gap: 60px; }
.contact-info{ display:flex; flex-direction:column; gap: 26px; }
.contact-info .row{ display:flex; gap:14px; align-items:flex-start; }
.contact-info .ic{ width:38px; height:38px; border-radius:10px; background: var(--void); color: var(--ember); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.contact-info h4{ font-size: 15px; margin-bottom:4px; }
.contact-info p, .contact-info a{ font-size: 14.5px; color: var(--ink-soft); line-height:1.5; }
.social-row{ display:flex; gap:10px; margin-top:8px; }
.social-row a{ width:38px; height:38px; border-radius:50%; border:1px solid var(--line); display:flex; align-items:center; justify-content:center; transition: all .3s var(--ease); }
.social-row a:hover{ background: var(--void); border-color: var(--void); color:#fff; transform: translateY(-3px); }

.contact-form{ background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 34px; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom:16px; }
.field{ display:flex; flex-direction:column; gap:7px; }
.field.full{ grid-column: 1 / -1; }
.field label{ font-size: 12.5px; font-weight:600; color: var(--ink-soft); }
.field input, .field select, .field textarea{
  border: 1.5px solid var(--line); border-radius: 9px; padding: 12px 14px; font-family: inherit; font-size: 14.5px;
  transition: border-color .25s var(--ease); background: var(--paper); color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color: var(--ember); }
.field textarea{ resize: vertical; min-height: 100px; }
.contact-form .btn{ width:100%; margin-top:6px; }
.form-note{ font-size: 12.5px; color: var(--ink-soft); margin-top: 12px; text-align:center; }

/* ---------- CTA band ---------- */
.cta-band{
  background: linear-gradient(120deg, var(--ember), #FF7A54 55%, var(--cobalt-soft));
  border-radius: 24px;
  padding: 60px 50px;
  display:flex; align-items:center; justify-content:space-between; gap: 30px; flex-wrap: wrap;
  color:#fff;
}
.cta-band h3{ font-size: clamp(24px,3vw,32px); max-width: 480px; }
.cta-band .btn-primary{ background:#fff; color: var(--ink); box-shadow:none; }
.cta-band .btn-primary:hover{ background: var(--void); color:#fff; }

/* ---------- Footer ---------- */
.footer{ background: var(--void); color: rgba(245,245,250,.6); padding: 64px 0 30px; }
.footer-top{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 46px; border-bottom: 1px solid rgba(245,245,250,.1); }
.footer-brand .brand-mark{ margin-bottom: 14px; display:inline-block; }
.footer-brand p{ font-size: 14px; line-height: 1.6; max-width: 280px; }
.footer h5{ font-family: var(--mono); font-size: 12px; letter-spacing:.08em; text-transform:uppercase; color: rgba(245,245,250,.4); margin-bottom: 18px; }
.footer ul{ display:flex; flex-direction:column; gap: 12px; }
.footer a{ font-size: 14.5px; transition: color .25s var(--ease); }
.footer a:hover{ color: #fff; }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top: 26px; font-size: 13px; flex-wrap: wrap; gap: 12px; }

/* ---------- Reveal on scroll ---------- */
.reveal{ opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in{ 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; }
.reveal-delay-5{ transition-delay: .4s; }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero .container{ grid-template-columns: 1fr; }
  .constellation{ order:-1; max-width: 340px; }
  .about-grid, .careers, .contact-wrap{ grid-template-columns: 1fr; }
  .services-grid{ grid-template-columns: repeat(2,1fr); }
  .why-grid{ grid-template-columns: 1fr; }
  .quote-strip{ grid-template-columns: 1fr; }
  .process{ grid-template-columns: repeat(2,1fr); row-gap: 40px; }
  .process::before{ display:none; }
  .footer-top{ grid-template-columns: 1fr 1fr; row-gap: 34px; }
  .industries-grid{ grid-template-columns: repeat(3,1fr); }
  .gov-wrap{ grid-template-columns: 1fr; }
  .gov-pillars{ grid-template-columns: 1fr 1fr; }
  .persp-grid{ grid-template-columns: 1fr; }
}
@media (max-width: 720px){
  .nav-links, .nav-cta .btn-outline-alt{ display:none; }
  .nav-toggle{ display:block; }
  .nav-cta.desktop-only{ display:none; }
  .hero{ padding: 140px 0 80px; }
  .hero-actions{ flex-direction: column; align-items: stretch; }
  .section{ padding: 76px 0; }
  .services-grid{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns: 1fr; }
  .cta-band{ flex-direction: column; text-align:center; padding: 44px 26px; }
  .footer-top{ grid-template-columns: 1fr; }
  .process{ grid-template-columns: 1fr; }
  .industries-grid{ grid-template-columns: repeat(2,1fr); }
  .gov-pillars{ grid-template-columns: 1fr; }
}

/* ---------- Mobile menu overlay ---------- */
.mobile-menu{
  position: fixed; inset:0; background: var(--void); z-index: 99;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap: 30px;
  opacity:0; visibility:hidden; transform: translateY(-14px);
  transition: opacity .35s var(--ease), transform .35s var(--ease), visibility .35s;
}
.mobile-menu.open{ opacity:1; visibility:visible; transform: translateY(0); }
.mobile-menu a{ font-family: var(--display); font-size: 28px; color:#fff; }