/* ============================================================
   LAB555 — Henry Duong
   Dark, tech-centric, 555-timer themed advisory site
   ============================================================ */

:root{
  --bg:#07090C;
  --bg-2:#0B0E13;
  --surface:#0E1218;
  --surface-2:#12171F;
  --line:rgba(255,255,255,0.08);
  --line-2:rgba(255,255,255,0.14);
  --text:#E8ECF3;
  --muted:#9AA6B6;
  --muted-2:#6B7686;
  --mint:#36F1B3;
  --mint-dim:#1f8f6c;
  --amber:#FFB845;
  --blue:#5BA8FF;
  --glow:rgba(54,241,179,0.18);
  --maxw:1180px;
  --r:16px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-d:"Space Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-b:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-m:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-b);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}
::selection{background:var(--mint);color:#04130d}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.mono{font-family:var(--font-m);font-feature-settings:"ss01"}

/* background layers */
#bg-scope{
  position:fixed;inset:0;width:100%;height:100%;
  z-index:0;opacity:.55;pointer-events:none;
}
.grain{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
body::before{ /* ambient glows */
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(60% 50% at 78% 0%, rgba(54,241,179,0.10), transparent 60%),
    radial-gradient(50% 40% at 8% 18%, rgba(91,168,255,0.07), transparent 60%),
    radial-gradient(60% 50% at 50% 110%, rgba(255,184,69,0.06), transparent 60%);
}
main,.nav,.footer,.marquee-wrap{position:relative;z-index:2}

/* ---------- NAV ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(18px,5vw,48px);
  transition:background .4s var(--ease),border-color .4s, padding .3s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(7,9,12,0.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  padding-top:13px;padding-bottom:13px;
}
.brand{display:flex;align-items:center;gap:11px;color:var(--mint)}
.brand-mark{display:grid;place-items:center;filter:drop-shadow(0 0 8px var(--glow))}
.brand-text{font-family:var(--font-d);font-weight:700;letter-spacing:.12em;font-size:18px;color:var(--text)}
.brand-555{color:var(--mint)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:15px;color:var(--muted);transition:color .2s;font-weight:500}
.nav-links a:hover{color:var(--text)}
.nav-cta{
  border:1px solid var(--line-2);border-radius:999px;padding:9px 18px;
  color:var(--text)!important;background:rgba(54,241,179,0.06);
  transition:border-color .25s,background .25s,box-shadow .25s;
}
.nav-cta:hover{border-color:var(--mint);box-shadow:0 0 0 1px var(--mint),0 0 22px var(--glow)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- layout helpers ---------- */
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(70px,11vw,130px) clamp(20px,5vw,40px) 0}
.section-head{max-width:760px;margin-bottom:54px}
.kicker{color:var(--mint);font-size:13px;letter-spacing:.22em;margin-bottom:18px}
.section-head h2,h2{
  font-family:var(--font-d);font-weight:600;line-height:1.08;letter-spacing:-.02em;
  font-size:clamp(30px,4.6vw,52px);
}
.section-lede{color:var(--muted);margin-top:20px;font-size:clamp(16px,1.6vw,19px);max-width:680px}
.grad{
  background:linear-gradient(100deg,var(--mint),#7df0cf 40%,var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;font-family:var(--font-d);
  font-weight:600;font-size:15.5px;padding:14px 26px;border-radius:999px;
  cursor:pointer;border:1px solid transparent;transition:.3s var(--ease);
}
.btn span{transition:transform .3s var(--ease)}
.btn:hover span{transform:translateX(4px)}
.btn-primary{background:var(--mint);color:#04130d;box-shadow:0 0 0 0 var(--glow)}
.btn-primary:hover{box-shadow:0 8px 40px var(--glow);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line-2);color:var(--text);background:rgba(255,255,255,0.02)}
.btn-ghost:hover{border-color:var(--mint);color:var(--mint)}
.btn-full{width:100%;justify-content:center;margin-top:6px}

/* ---------- HERO ---------- */
.hero{max-width:var(--maxw);margin:0 auto;padding:clamp(130px,18vw,180px) clamp(20px,5vw,40px) 0;}
.hero-inner{display:grid;grid-template-columns:1.35fr .85fr;gap:clamp(30px,5vw,64px);align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--font-m);
  font-size:12px;letter-spacing:.16em;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;padding:8px 15px;margin-bottom:26px;
  background:rgba(255,255,255,0.02);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px var(--mint);animation:pulse555 2s infinite}
@keyframes pulse555{0%,40%{opacity:1}50%{opacity:.25}60%,100%{opacity:1}}
.hero h1{
  font-family:var(--font-d);font-weight:700;letter-spacing:-.03em;line-height:1.02;
  font-size:clamp(40px,7vw,78px);margin-bottom:26px;
}
.hero-sub{color:var(--muted);font-size:clamp(17px,1.9vw,21px);max-width:600px;margin-bottom:22px}
.hero-sub strong{color:var(--text);font-weight:600}
.hero-tag{font-family:var(--font-m);color:var(--mint);font-size:clamp(15px,1.7vw,18px);margin-bottom:34px}
.hero-tag .mono{color:var(--muted-2)}
.type-line{border-right:2px solid var(--mint);padding-right:3px;animation:caret 1s step-end infinite}
@keyframes caret{50%{border-color:transparent}}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* portrait */
.hero-portrait{display:flex;flex-direction:column;align-items:center;gap:16px}
.portrait-frame{
  position:relative;width:min(330px,80vw);aspect-ratio:1;border-radius:22px;overflow:hidden;
  border:1px solid var(--line-2);
  background:linear-gradient(160deg,var(--surface-2),var(--bg));
  box-shadow:0 30px 80px -30px rgba(0,0,0,.8), 0 0 0 1px rgba(54,241,179,.06), 0 0 60px -20px var(--glow);
}
.portrait-frame img{width:100%;height:100%;object-fit:cover;filter:contrast(1.04) saturate(1.02)}
.portrait-scan{
  position:absolute;left:0;right:0;height:34%;top:-40%;
  background:linear-gradient(180deg,transparent,rgba(54,241,179,.16),transparent);
  animation:scan 4.2s var(--ease) infinite;mix-blend-mode:screen;
}
@keyframes scan{0%{top:-40%}70%,100%{top:120%}}
.portrait-corner{position:absolute;width:18px;height:18px;border:2px solid var(--mint);opacity:.85}
.portrait-corner.tl{top:10px;left:10px;border-right:0;border-bottom:0}
.portrait-corner.tr{top:10px;right:10px;border-left:0;border-bottom:0}
.portrait-corner.bl{bottom:10px;left:10px;border-right:0;border-top:0}
.portrait-corner.br{bottom:10px;right:10px;border-left:0;border-top:0}
.portrait-badge{font-size:11.5px;letter-spacing:.18em;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:7px 14px;background:rgba(255,255,255,.02)}

/* hero stats */
.hero-stats{
  display:grid;grid-template-columns:repeat(6,1fr);gap:1px;margin-top:clamp(56px,8vw,90px);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--line);
}
.stat{background:var(--bg-2);padding:24px 20px;display:flex;flex-direction:column;gap:6px}
.stat-num{font-family:var(--font-d);font-weight:700;font-size:clamp(26px,3.4vw,38px);color:var(--text);line-height:1}
.stat-numwrap{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.stat-pending{font-size:10.5px;color:var(--amber);border:1px solid rgba(255,184,69,.38);background:rgba(255,184,69,.09);padding:3px 7px;border-radius:999px;letter-spacing:.03em;line-height:1;white-space:nowrap}
.stat-label{font-size:12.5px;color:var(--muted-2);letter-spacing:.02em}

/* ---------- BACKED BY + LOGO WALL ---------- */
.logos-wrap{margin-top:clamp(60px,9vw,100px);border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.012);position:relative;z-index:2}
.backed{display:flex;flex-direction:column;align-items:center;gap:18px;padding:30px 20px 26px;border-bottom:1px solid var(--line);text-align:center}
.backed-label{font-size:11px;letter-spacing:.2em;color:var(--muted-2)}
.backed-row{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:clamp(20px,4vw,44px)}
.iv{display:flex;flex-direction:column;align-items:center;gap:4px}
.iv-name{font-family:var(--font-d);font-weight:600;font-size:clamp(19px,2.4vw,26px);color:var(--text);letter-spacing:-.01em;line-height:1}
.iv-name.lg-serif{font-family:Georgia,"Times New Roman",serif;font-weight:600;letter-spacing:0}
.iv-name .ac{color:var(--mint)}
.iv-sub{font-size:11.5px;color:var(--muted-2);letter-spacing:.03em}
.iv-div{width:1px;height:34px;background:var(--line-2)}

.marquee{overflow:hidden;padding:24px 0;mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.marquee-track{display:flex;align-items:center;gap:clamp(34px,5vw,58px);white-space:nowrap;width:max-content;animation:scroll-x 60s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes scroll-x{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* individual logo treatments — monochrome, brighten on hover */
.lg{display:inline-flex;align-items:center;color:var(--muted);opacity:.78;transition:color .25s,opacity .25s;font-size:23px;line-height:1;white-space:nowrap}
.lg:hover{color:var(--text);opacity:1}
.lg .ac{color:var(--mint)}
.lg-sans{font-family:var(--font-d);font-weight:600;letter-spacing:-.01em}
.lg-serif{font-family:Georgia,"Times New Roman",serif;font-weight:600;letter-spacing:.005em}
.lg-wide{letter-spacing:.22em;font-weight:700;font-size:21px}
.lg-nasa{letter-spacing:.16em;font-weight:700;font-style:italic}
.lg-nvidia{font-family:var(--font-d);font-weight:700;letter-spacing:.02em}
.lg-ces{font-weight:800;letter-spacing:.05em;font-size:25px}
.lg-wsj{font-size:20px;letter-spacing:.01em}
.lg-aws{font-family:var(--font-d);font-weight:700;font-size:24px;flex-direction:column;align-items:center;gap:1px;letter-spacing:.01em}
.lg-aws .smile{width:34px;height:10px;margin-top:2px}
.lg-aws .smile path{fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.lg-ibm,.lg-mit{font-family:var(--font-d);font-weight:500}
.lg-ibm .ibm{font-weight:800;letter-spacing:.03em;color:var(--text)}
.lg-mit .mit{font-weight:800;letter-spacing:.01em;color:var(--text)}
.lg-yc{font-family:var(--font-d);font-weight:600;letter-spacing:-.01em}
.yc-badge{display:inline-grid;place-items:center;width:1.04em;height:1.04em;border-radius:4px;background:#FF6A00;color:#fff;font-family:var(--font-d);font-weight:700;font-size:.92em;line-height:1;margin-right:.2em;vertical-align:-.13em}
.iv-yc{display:inline-flex;align-items:center}
.lg-lower{text-transform:lowercase;letter-spacing:-.005em}
.lg-hp{display:inline-flex;align-items:center}
.hp-badge{display:inline-grid;place-items:center;width:1.5em;height:1.5em;border-radius:50%;border:1.6px solid currentColor;font-family:var(--font-d);font-style:italic;font-weight:700;font-size:.62em;line-height:1;letter-spacing:-.03em;box-sizing:border-box}

/* ---------- ABOUT ---------- */
.about-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:clamp(30px,5vw,60px);align-items:start}
.about-copy p{color:var(--muted);margin-bottom:18px;font-size:17.5px}
.about-copy strong{color:var(--text);font-weight:600}
.about-copy em{color:var(--mint);font-style:normal}
.about-555{border-left:2px solid var(--mint);padding-left:20px;color:var(--text)!important;background:linear-gradient(90deg,rgba(54,241,179,.05),transparent);padding-top:6px;padding-bottom:6px;border-radius:0 8px 8px 0}
.age{font-family:var(--font-d);font-weight:700;color:var(--mint);font-size:1.18em;letter-spacing:-.02em;padding:0 .04em;text-shadow:0 0 16px rgba(54,241,179,.45)}
.about-side{display:flex;flex-direction:column;gap:22px;position:sticky;top:100px}
.quote-card{position:relative;border:1px solid var(--line);border-radius:var(--r);padding:30px 26px 26px;background:linear-gradient(160deg,var(--surface),var(--bg-2));overflow:hidden}
.quote-card::after{content:"";position:absolute;inset:0;background:radial-gradient(80% 60% at 100% 0,var(--glow),transparent 60%);opacity:.5;pointer-events:none}
.quote-mark{font-family:var(--font-d);font-size:70px;line-height:.5;color:var(--mint);opacity:.4;height:30px}
.quote-card p{font-family:var(--font-d);font-size:19px;line-height:1.4;color:var(--text);margin:10px 0 16px}
.quote-by{color:var(--muted)}
.chip-row{display:flex;flex-wrap:wrap;gap:9px}
.chip{font-family:var(--font-m);font-size:12.5px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:7px 13px;background:rgba(255,255,255,.02);transition:.25s}
.chip:hover{border-color:var(--mint);color:var(--mint)}

/* ---------- CARDS / SERVICES ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  position:relative;border:1px solid var(--line);border-radius:var(--r);
  padding:30px 26px 28px;background:linear-gradient(165deg,var(--surface),var(--bg-2));
  overflow:hidden;transition:transform .4s var(--ease),border-color .4s,box-shadow .4s;
}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--mint),transparent);opacity:0;transition:.4s}
.card:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:0 24px 60px -30px rgba(0,0,0,.9),0 0 50px -28px var(--glow)}
.card:hover::before{opacity:.7}
.card-ix{color:var(--mint);font-size:13px;letter-spacing:.1em;margin-bottom:16px;opacity:.8}
.card h3{font-family:var(--font-d);font-weight:600;font-size:20px;margin-bottom:11px;line-height:1.2}
.card p{color:var(--muted);font-size:15.5px;line-height:1.6}

/* ---------- SECTORS ---------- */
.sector-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--line)}
.sector{background:var(--bg-2);padding:28px 26px;transition:background .3s}
.sector:hover{background:var(--surface)}
.sector .mono{color:var(--mint);font-size:13px;opacity:.7}
.sector h4{font-family:var(--font-d);font-weight:600;font-size:18px;margin:10px 0 8px}
.sector p{color:var(--muted);font-size:15px;line-height:1.55}

/* ---------- TIMELINE ---------- */
.timeline{position:relative;display:flex;flex-direction:column;gap:6px;padding-left:8px}
.tl-item{display:grid;grid-template-columns:160px 1fr;gap:28px;padding:26px 0;border-top:1px solid var(--line);transition:.4s}
.tl-item:first-child{border-top:0}
.tl-item:hover{background:linear-gradient(90deg,rgba(54,241,179,.03),transparent)}
.tl-year{color:var(--mint);font-size:13px;letter-spacing:.08em;padding-top:5px;position:relative}
.tl-year::before{content:"";position:absolute;left:-8px;top:9px;width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px var(--mint);display:none}
.tl-body h3{font-family:var(--font-d);font-weight:600;font-size:21px;margin-bottom:8px;line-height:1.25}
.tl-role{display:block;font-family:var(--font-m);font-size:13px;color:var(--muted-2);font-weight:400;letter-spacing:.02em;margin-top:3px}
.tl-body p{color:var(--muted);font-size:16px}

/* ---------- PROOF ---------- */
.proof-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:18px}
.proof-feature{border:1px solid var(--line);border-radius:var(--r);padding:32px 30px;background:linear-gradient(160deg,var(--surface),var(--bg-2));position:relative;overflow:hidden}
.proof-feature::after{content:"";position:absolute;inset:0;background:radial-gradient(70% 60% at 0 100%,rgba(255,184,69,.08),transparent 60%);pointer-events:none}
.proof-tag{color:var(--amber);font-size:12px;letter-spacing:.16em;margin-bottom:14px}
.proof-feature h3{font-family:var(--font-d);font-weight:700;font-size:clamp(26px,3.4vw,34px);color:var(--text);margin-bottom:12px;letter-spacing:-.01em}
.proof-feature p{color:var(--muted);font-size:16px;margin-bottom:22px}
.proof-pub{color:var(--muted-2);font-size:12.5px;line-height:1.7;letter-spacing:.04em;border-top:1px solid var(--line);padding-top:16px}
.proof-pub em{color:var(--muted);font-style:italic}
.proof-list{list-style:none;display:flex;flex-direction:column;gap:2px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.proof-list li{padding:15px 22px;color:var(--muted);font-size:15.5px;background:var(--bg-2);border-bottom:1px solid var(--line);transition:.25s}
.proof-list li:last-child{border-bottom:0}
.proof-list li:hover{background:var(--surface);color:var(--text)}
.proof-list .mono{color:var(--amber);margin-right:10px}

/* ---------- CONTACT ---------- */
.contact{padding-bottom:clamp(70px,10vw,120px)}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:clamp(34px,5vw,64px);align-items:start;
  border:1px solid var(--line);border-radius:24px;padding:clamp(30px,4vw,52px);
  background:linear-gradient(160deg,var(--surface),var(--bg-2));position:relative;overflow:hidden}
.contact-inner::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 70% at 100% 0,var(--glow),transparent 55%);opacity:.6;pointer-events:none}
.contact-copy h2{margin:14px 0 18px}
.contact-copy p{color:var(--muted);max-width:420px}
.contact-links{display:flex;flex-direction:column;gap:12px;margin-top:28px}
.contact-link{display:inline-flex;align-items:center;gap:12px;color:var(--muted);font-size:16px;transition:.25s;width:fit-content}
.contact-link .mono{color:var(--mint);width:22px;text-align:center}
.contact-link:hover{color:var(--text);transform:translateX(4px)}
.contact-form{display:flex;flex-direction:column;gap:16px;position:relative;z-index:2}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;color:var(--muted);font-family:var(--font-m);letter-spacing:.04em}
.field .opt{color:var(--muted-2)}
.field input,.field textarea{
  background:var(--bg);border:1px solid var(--line-2);border-radius:11px;
  padding:13px 15px;color:var(--text);font-family:var(--font-b);font-size:15.5px;
  transition:border-color .25s,box-shadow .25s;resize:vertical;
}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2)}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--mint);box-shadow:0 0 0 3px rgba(54,241,179,.12)}
.form-note{font-size:14px;color:var(--mint);min-height:18px;font-family:var(--font-m)}
.form-note.err{color:var(--amber)}

/* ---------- FOOTER ---------- */
.footer{max-width:var(--maxw);margin:0 auto;padding:40px clamp(20px,5vw,40px) 50px;border-top:1px solid var(--line);margin-top:clamp(50px,8vw,90px)}
.footer-top{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-bottom:26px}
.footer-555{color:var(--muted-2);font-size:12.5px;letter-spacing:.04em}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--line)}
.footer-bottom .mono{color:var(--muted-2);font-size:12.5px}
.footer-built{color:var(--mint-dim)!important}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-portrait{order:-1;align-items:flex-start}
  .about-grid{grid-template-columns:1fr}
  .about-side{position:static}
  .cards{grid-template-columns:repeat(2,1fr)}
  .proof-grid{grid-template-columns:1fr}
  .contact-inner{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(3,1fr)}
}

@media (max-width:720px){
  body{font-size:16px}

  /* nav drawer */
  .nav-links{
    position:fixed;inset:0 0 auto 0;top:0;flex-direction:column;align-items:flex-start;gap:8px;
    background:rgba(7,9,12,.97);backdrop-filter:blur(18px);
    padding:90px 28px 34px;transform:translateY(-100%);transition:transform .45s var(--ease);
    border-bottom:1px solid var(--line);height:auto;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{font-size:20px;font-family:var(--font-d);padding:8px 0}
  .nav-cta{margin-top:10px}
  .nav-toggle{display:flex;z-index:60}

  /* tighter vertical rhythm — sections shouldn't read as endless stacked blocks */
  .section{padding-top:clamp(52px,13vw,82px)}
  .section-head{margin-bottom:32px}
  .hero{padding-top:108px}
  .hero-stats{margin-top:44px}

  /* services → tidy numbered list (index in a left gutter), compact padding */
  .cards{grid-template-columns:1fr;gap:10px}
  .card{
    display:grid;grid-template-columns:auto 1fr;align-items:baseline;
    column-gap:14px;row-gap:6px;padding:20px 18px;border-radius:14px;
  }
  .card-ix{margin:0}
  .card h3{margin:0;font-size:17.5px}
  .card p{grid-column:2;font-size:14.5px}
  .card:hover{transform:none}

  /* sectors → 2-up grid (short labels) instead of 6 tall blocks */
  .sector-grid{grid-template-columns:repeat(2,1fr)}
  .sector{padding:20px 16px}
  .sector h4{font-size:16px}
  .sector p{font-size:13px;line-height:1.5}

  /* stats 2-up, tighter */
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .stat{padding:19px 16px}

  /* timeline single column */
  .tl-item{grid-template-columns:1fr;gap:6px;padding:22px 0}
  .tl-year{padding-top:0}

  /* backed-by: drop dividers when wrapping, even spacing */
  .iv-div{display:none}
  .backed-row{gap:20px 26px}

  /* proof */
  .proof-feature{padding:26px 22px}

  .footer-top,.footer-bottom{flex-direction:column;align-items:flex-start}
}

@media (max-width:430px){
  /* keep grids 2-up but ease type/padding so nothing feels cramped */
  .sector{padding:17px 14px}
  .stat{padding:17px 14px}
  .backed-label{font-size:10px;line-height:1.5}
  .portrait-frame{width:min(320px,82vw)}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}