:root{--blue:#004aad;--blue-2:#1f71fb;--navy:#04214f;--navy-2:#062c66;--lime:#b5e700;--ink:#13203a;--muted:#5a6780;--bg-alt:#f3f6fb;--line:#e2e8f2;--r:14px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:Barlow,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);line-height:1.6;font-size:17px;background:#fff}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{width:min(1180px,100% - 48px);margin-inline:auto}
h1,h2,h3{line-height:1.15;font-weight:700}
h2{font-size:clamp(28px,3.4vw,40px);margin-bottom:18px;color:var(--navy)}
h3{font-size:20px;margin-bottom:8px;color:var(--navy)}
.center{text-align:center}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:13px;font-weight:700;color:var(--lime);margin-bottom:14px}
.eyebrow.dark{color:var(--blue)}
.btn{display:inline-block;background:var(--lime);color:var(--navy);font-weight:700;text-decoration:none;padding:14px 26px;border-radius:999px;transition:.2s;border:2px solid var(--lime)}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(181,231,0,.35)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{border-color:#fff;box-shadow:none}
.btn-sm{padding:9px 20px}
/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{color:var(--blue);font-size:21px;font-weight:800}
.brand-text small{color:#8fbf00;font-size:11px;letter-spacing:.22em;text-transform:uppercase;font-weight:600;margin-top:3px}
.links{display:flex;align-items:center;gap:30px}
.links a{text-decoration:none;font-weight:600;color:var(--ink)}
.links a:not(.btn):hover{color:var(--blue)}
.menu-toggle,.burger{display:none}
/* hero */
.hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(1200px 600px at 85% 20%,#0a4fb8 0%,transparent 60%),linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 55%,var(--blue) 100%)}
.hero-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(to bottom,#000 30%,transparent)}
.contrail{position:absolute;inset:0;width:100%;height:100%}
.hero-grid{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center;padding:110px 0 120px}
.hero h1{font-size:clamp(36px,5vw,60px);font-weight:800;margin-bottom:22px;letter-spacing:-.01em}
.lead{font-size:19px;color:rgba(255,255,255,.82);max-width:620px;margin-bottom:34px}
.cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-art{position:relative;display:grid;place-items:center;min-height:320px}
.hero-art .diamond{position:absolute;width:260px;height:260px;border:2px solid rgba(181,231,0,.5);transform:rotate(45deg);border-radius:18px}
.hero-art img{position:relative;width:240px;filter:drop-shadow(0 20px 40px rgba(0,0,0,.35))}
/* sections */
.section{padding:100px 0}
.section.alt{background:var(--bg-alt)}
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:start}
.about-text p{color:var(--muted);margin-bottom:16px;font-size:18px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 28px;transition:.25s;position:relative;overflow:hidden}
.card::after{content:"";position:absolute;left:0;top:0;height:4px;width:0;background:var(--lime);transition:.3s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(4,33,79,.10)}
.card:hover::after{width:100%}
.card p{color:var(--muted);font-size:16px}
.ico{width:52px;height:52px;border-radius:12px;background:rgba(0,74,173,.08);display:grid;place-items:center;margin-bottom:18px}
.ico svg{width:26px;height:26px;fill:none;stroke:var(--blue);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:44px}
.why-item{padding-top:22px;border-top:3px solid var(--blue)}
.why-item .num{display:block;font-weight:800;color:var(--lime);font-size:15px;letter-spacing:.1em;margin-bottom:8px;-webkit-text-stroke:.3px #6d8a00}
.why-item p{color:var(--muted);font-size:16px}
.contact{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff}
.contact h2{color:#fff}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.contact-list{list-style:none;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);border-radius:var(--r);padding:12px 30px}
.contact-list li{display:flex;flex-direction:column;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.contact-list li:last-child{border-bottom:0}
.contact-list .k{font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--lime);font-weight:700;margin-bottom:2px}
.contact-list a,.contact-list span:not(.k){font-size:19px;text-decoration:none;font-weight:500}
.contact-list a:hover{text-decoration:underline}
.footer{background:#fff;border-top:1px solid var(--line);padding:40px 0}
.foot{display:grid;grid-template-columns:auto 1fr auto;gap:40px;align-items:center}
.legal p{color:var(--muted);font-size:14px;line-height:1.7}
.legal strong{color:var(--ink)}
.foot-links{display:flex;gap:22px}
.foot-links a{text-decoration:none;color:var(--muted);font-weight:600;font-size:15px}
/* responsive */
@media (max-width:980px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .why{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr;padding:80px 0 90px}
  .hero-art{display:none}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:720px){
  body{font-size:16px}
  .wrap{width:min(1180px,100% - 36px)}
  .burger{display:flex;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
  .burger span{width:24px;height:2px;background:var(--navy);border-radius:2px}
  .links{position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 18px 18px;display:none}
  .links a{padding:12px 0;width:100%}
  .links .btn{width:auto;margin-top:8px;padding:10px 22px}
  .menu-toggle:checked~.links{display:flex}
  .section{padding:70px 0}
  .cards,.why{grid-template-columns:1fr}
  .hero-grid{padding:64px 0 72px}
  .lead{font-size:17px}
  .foot{grid-template-columns:1fr;gap:18px;text-align:left}
  .contact-list{padding:6px 20px}
  .contact-list a,.contact-list span:not(.k){font-size:17px;word-break:break-word}
}
/* logo (single file: img/logo.png) */
.logo{height:62px;width:auto}
.nav-inner{height:84px}
html{scroll-padding-top:88px}
.foot-brand .logo{height:96px}
.hero-logo{position:relative;background:#fff;border-radius:22px;padding:26px 30px;box-shadow:0 24px 50px rgba(0,0,0,.35)}
.hero-logo img{width:220px;height:auto;filter:none}
.hero-art .diamond{width:300px;height:300px}
/* clients strip */
.clients{background:#fff;border-bottom:1px solid var(--line);padding:34px 0}
.clients-inner{display:flex;align-items:center;gap:40px}
.clients-label{flex:none;text-transform:uppercase;letter-spacing:.16em;font-size:13px;font-weight:700;color:var(--muted)}
.wordmarks{list-style:none;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 40px;flex:1}
.wordmarks li{font-weight:800;font-size:22px;letter-spacing:.02em;color:#8a96ab;text-transform:uppercase;white-space:nowrap;transition:.2s}
.wordmarks li:hover{color:var(--navy)}
/* whatsapp button */
.btn-wa{display:inline-flex;align-items:center;gap:8px;background:#25d366;border-color:#25d366;color:#fff}
.btn-wa svg{width:20px;height:20px;fill:#fff}
.btn-wa:hover{box-shadow:0 8px 22px rgba(37,211,102,.35)}
@media (max-width:980px){.clients-inner{flex-direction:column;gap:18px}.wordmarks{justify-content:center}}
@media (max-width:720px){.nav-inner{height:72px}.logo{height:52px}.links{top:72px}.wordmarks{gap:12px 26px}.wordmarks li{font-size:17px}.foot-brand .logo{height:84px}}
/* header: show only the mark (top part) of img/logo.png */
.brand-mark{width:60px;height:34px;object-fit:cover;object-position:50% 0}
.nav-inner{height:76px}
@media (max-width:720px){.nav-inner{height:72px}.brand-text strong{font-size:19px}}
/* hero photo */
.hero.has-photo{background:#04142e url(img/hero-wing-night.jpg) center 40%/cover no-repeat}
.hero.has-photo::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,20,46,.92) 0%,rgba(4,33,79,.72) 42%,rgba(4,33,79,.18) 100%),linear-gradient(0deg,rgba(4,20,46,.55),transparent 40%)}
.hero.has-photo .hero-bg{opacity:.5}
.hero.has-photo .hero-grid{grid-template-columns:1fr;padding:150px 0 160px}
.hero.has-photo .hero-copy{max-width:720px}
/* about photo */
.about-photo{margin:0 0 26px;border-radius:var(--r);overflow:hidden;aspect-ratio:16/10;box-shadow:0 18px 40px rgba(4,33,79,.15)}
.about-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 70%}
/* gallery */
.section-intro{color:var(--muted);margin-top:-6px}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:300px;gap:18px;margin-top:40px}
.gallery figure{position:relative;margin:0;border-radius:var(--r);overflow:hidden;background:#0b1a33}
.gallery .g-wide{grid-column:span 2}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 18px 14px;color:#fff;font-weight:600;font-size:15px;background:linear-gradient(transparent,rgba(4,20,46,.85))}
@media (max-width:980px){.gallery{grid-template-columns:repeat(2,1fr)}.gallery .g-wide{grid-column:span 2}}
@media (max-width:720px){.hero.has-photo{background-position:70% 50%}.hero.has-photo::before{background:linear-gradient(0deg,rgba(4,20,46,.9),rgba(4,33,79,.72))}.hero.has-photo .hero-grid{padding:90px 0 96px}.gallery{grid-template-columns:1fr;grid-auto-rows:220px}.gallery .g-wide{grid-column:auto}}