/* Font: Inter Bold, self-hosted (stand-in for the original Alibaba Sans) */
@font-face{font-family:"Inter";font-weight:700;font-style:normal;font-display:swap;src:url(fonts/inter-latin-700-normal.woff2) format("woff2")}

:root{
  --navy:#2b3576;
  --red:#ad041e;
  --ink:#292929;
  --gray:#dedede;
  --hdr:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--hdr)}
body{margin:0;background:#fff;color:var(--ink);font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-weight:700;font-size:1rem;line-height:1.4}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none;transition:color .3s}
a:hover{color:var(--red);text-decoration:underline}
p{margin:0}
h1,h2,h3{margin:0;color:var(--navy);text-transform:uppercase;text-align:center;font-weight:700}
h1{font-size:3rem;line-height:1.25}
h2{font-size:2rem;line-height:1.25}
h3{font-size:1.3rem;line-height:1.25;color:var(--ink)}
.center{text-align:center}
.inner{max-width:944px;margin:0 auto;padding:0 20px}
.icon{fill:currentColor;overflow:hidden}
.fa-secondary{opacity:.4}

/* sticky header */
.site-header{position:sticky;top:0;z-index:20;background:var(--gray);box-shadow:0 2px 8px rgba(0,0,0,.18)}
.bar{max-width:1240px;margin:0 auto;padding:10px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.site-header .logo img{width:300px;height:auto}
.site-header nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:4px 32px}
.site-header nav a{position:relative;display:block;padding:14px 0;font-size:1rem;line-height:1;text-transform:uppercase;color:var(--navy)}
.site-header nav a:hover{color:var(--red);text-decoration:none}
.site-header nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--red)}

/* hero */
.hero{min-height:calc(100vh - var(--hdr));min-height:calc(100svh - var(--hdr));display:flex;flex-direction:column;background:#e9e9e9 url(images/hero-bg.webp) center/cover no-repeat}
.hero-body{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px 60px;max-width:984px;margin:0 auto;width:100%}
.tag{color:var(--navy);letter-spacing:.01em}
.tag b{color:var(--red)}
.hero-body .tag{margin-top:6px}
.button{display:inline-block;margin-top:28px;background:var(--red);color:#fff;font-size:1rem;line-height:1.5;padding:12px 24px;border-radius:8px;transition:background .3s}
.button:hover{background:#8a0318;color:#fff;text-decoration:none}

/* landing page fade-in */
@keyframes fadein{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.hero-body h1,.hero-body .tag,.hero-body .button{opacity:0;animation:fadein .9s ease-out forwards}
.hero-body h1{animation-delay:.2s}
.hero-body .tag{animation-delay:.7s}
.hero-body .button{animation-delay:1.3s}

/* scroll reveal (only when JS is on, so the page is never hidden without it) */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .8s ease var(--d,0ms),transform .8s ease var(--d,0ms)}
.js .rv.in{opacity:1;transform:none}

/* sections */
.block{padding:80px 0}
#applications .inner > p{margin-top:12px;max-width:944px}
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 32px;margin-top:56px}
.app{text-align:center}
.app .icon{display:block;width:40px;height:40px;margin:0 auto 12px;color:var(--navy)}

.features{padding-top:60px}
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:40px}
.feat{border:3px solid var(--navy);background:#fff;padding:6px 6px 14px;text-align:center}
.feat .icon{display:block;width:40px;height:40px;margin:0 auto 6px;color:var(--navy)}
.feat h3{margin-bottom:2px}
.feat p{font-size:.9rem;line-height:1.4}

/* gallery: large photos, dim the others on hover */
.gallery{padding:40px 0 60px}
.gallery h1{margin-bottom:24px}
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:0 12px}
.gal a{display:block;cursor:zoom-in;transition:opacity .3s ease}
.gal img{width:100%;height:auto;object-fit:contain}
@media(hover:hover){
  .gal:hover a{opacity:.35}
  .gal:hover a:hover{opacity:1}
}
.gal:has(a:focus-visible) a{opacity:.35}
.gal a:focus-visible{opacity:1;outline:3px solid var(--navy);outline-offset:-3px}

/* photo viewer */
.lightbox{border:0;padding:0;margin:0;width:100vw;height:100vh;height:100dvh;max-width:none;max-height:none;background:transparent;color:#fff}
.lightbox[open]{display:flex;align-items:center;justify-content:center}
.lightbox::backdrop{background:rgba(15,18,40,.82)}
.lb-stage{margin:0;background:#fff;border-radius:12px;padding:16px;max-width:calc(100vw - 150px);box-shadow:0 20px 60px rgba(0,0,0,.45)}
.lb-stage img{max-width:100%;max-height:calc(100vh - 130px);max-height:calc(100dvh - 130px);width:auto;height:auto;margin:0 auto;object-fit:contain}
.lb-btn{position:absolute;display:flex;align-items:center;justify-content:center;width:52px;height:52px;border:0;border-radius:50%;background:rgba(255,255,255,.92);color:var(--navy);font:700 2rem/1 "Inter",system-ui,sans-serif;cursor:pointer;transition:background .2s,color .2s}
.lb-btn:hover{background:var(--red);color:#fff}
.lb-btn:focus-visible{outline:3px solid #fff;outline-offset:3px}
.lb-close{top:16px;right:16px}
.lb-prev{left:20px;top:50%;transform:translateY(-50%);padding-bottom:4px}
.lb-next{right:20px;top:50%;transform:translateY(-50%);padding-bottom:4px}
.lb-count{position:absolute;bottom:14px;left:0;right:0;text-align:center;font-size:.9rem;color:#fff}
.lightbox[open] .lb-stage{animation:lbin .2s ease}
@keyframes lbin{from{opacity:0;transform:scale(.97)}to{opacity:1;transform:none}}

/* contact */
.contact{background:var(--gray);padding:32px 0 40px}
.contact h2{margin-bottom:12px}
.contact-row{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:8px}
.contact .logo img{width:444px}
.contact-info h3{display:flex;align-items:center;gap:8px;text-align:left;font-size:1.3rem;color:var(--ink)}
.contact-info h3 a{display:flex;color:var(--navy)}
.contact-info .env{width:28px;height:28px}
.contact-info p{line-height:1.5}
.contact-info a{color:var(--ink)}
.contact-info a:hover{color:var(--red)}
.addr{margin-top:24px;line-height:1.5}

/* tablet */
@media(max-width:900px){
  h1{font-size:2.25rem}
  h2{font-size:1.75rem}
  .site-header .logo img{width:230px}
  .site-header nav{gap:2px 20px}
  .site-header nav a{padding:12px 0;font-size:.9rem}
  .gal{grid-template-columns:repeat(2,1fr);gap:12px}
  .feats{grid-template-columns:repeat(2,1fr)}
}
/* phone */
@media(max-width:600px){
  h1{font-size:1.9rem}
  .site-header{position:static}
  html{scroll-padding-top:0}
  .bar{flex-direction:column;gap:2px;padding:10px 16px 4px}
  .site-header .logo img{width:220px}
  .site-header nav{justify-content:center;gap:0 16px}
  .site-header nav a{padding:8px 0;font-size:.8rem}
  .hero-body{padding:40px 20px}
  .tag{font-size:1rem}
  .block{padding:56px 0}
  .apps{grid-template-columns:repeat(2,1fr);gap:32px 16px;margin-top:36px}
  .app h3{font-size:1.05rem}
  .feats{grid-template-columns:1fr}
  .gal{grid-template-columns:1fr;gap:16px}
  .lb-stage{max-width:calc(100vw - 24px);padding:10px}
  .lb-stage img{max-height:calc(100dvh - 190px)}
  .lb-prev{left:10px;top:auto;bottom:16px;transform:none}
  .lb-next{right:10px;top:auto;bottom:16px;transform:none}
  .lb-btn{width:46px;height:46px}
  .contact-row{flex-direction:column;text-align:center}
  .contact .logo img{width:260px}
  .contact-info h3{justify-content:center}
  .contact-info p{text-align:center}
}
@media(prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}.hero-body h1,.hero-body .tag,.hero-body .button{opacity:1;animation:none}html{scroll-behavior:auto}.gal a,.button{transition:none}.lightbox[open] .lb-stage{animation:none}}