/* Yan Trading & Logistics - bold site styles, blue / black / gray, light + dark themes */

/* ---------- Light theme (default) ---------- */
:root{
  --bg:#ffffff;
  --surface:#f1f3f6;
  --block:#0b0d12;        /* black blocks */
  --text:#0b0d12;
  --muted:#5b6474;
  --accent:#1f5eff;       /* blue */
  --accent-2:#0a3fd1;
  --accent-ink:#ffffff;
  --line:#dde2ea;
  --on-block:#ffffff;
  --on-block-muted:#b4bcc9;
  --logo-filter:brightness(0);
  color-scheme:light;
}

/* ---------- Dark theme (follows the system unless a choice is saved) ---------- */
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#06080c;
    --surface:#0e131b;
    --block:#141b26;
    --text:#f1f4f9;
    --muted:#9aa4b5;
    --accent:#4d86ff;
    --accent-2:#78a3ff;
    --accent-ink:#ffffff;
    --line:#1c2431;
    --on-block:#ffffff;
    --on-block-muted:#aab4c4;
    --logo-filter:none;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#06080c;
  --surface:#0e131b;
  --block:#141b26;
  --text:#f1f4f9;
  --muted:#9aa4b5;
  --accent:#4d86ff;
  --accent-2:#78a3ff;
  --accent-ink:#ffffff;
  --line:#1c2431;
  --on-block:#ffffff;
  --on-block-muted:#aab4c4;
  --logo-filter:none;
  color-scheme:dark;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6;transition:background-color .4s,color .4s}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
h1,h2,h3{font-family:"Archivo Black",Inter,sans-serif;font-weight:400;line-height:1.02;letter-spacing:-.01em;margin:0}
.kicker{display:inline-block;background:var(--accent);color:var(--accent-ink);font-weight:800;font-size:12px;letter-spacing:.16em;text-transform:uppercase;padding:8px 12px;border-radius:999px}
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:800;padding:16px 26px;border-radius:12px;font-size:16px;transition:transform .2s,background .2s,color .2s,box-shadow .2s}
.btn:hover{transform:translateY(-3px);box-shadow:0 14px 28px -12px var(--accent)}
.btn-lime{background:var(--accent);color:var(--accent-ink)}
.btn-dark{background:var(--text);color:var(--bg)}

/* ---------- Header ---------- */
header{background:var(--bg);color:var(--text);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);transition:background-color .4s}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px}
.nav a img{height:24px;width:auto;filter:var(--logo-filter);transition:filter .4s}
.nav ul{display:flex;gap:6px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav ul a{font-weight:600;font-size:15px;padding:10px 14px;border-radius:999px;color:var(--muted);transition:background .2s,color .2s}
.nav ul a:hover{background:var(--surface);color:var(--text)}
.nav ul a[aria-current="page"]{background:var(--accent);color:var(--accent-ink)}
.nav-right{display:flex;align-items:center;gap:14px}
.theme-btn{appearance:none;border:1px solid var(--line);background:var(--surface);color:var(--text);width:42px;height:42px;border-radius:999px;cursor:pointer;display:grid;place-items:center;transition:transform .3s,background .3s}
.theme-btn:hover{transform:rotate(20deg)}
.theme-btn svg{width:18px;height:18px}
.theme-btn .i-sun{display:none}
:root[data-theme="dark"] .theme-btn .i-sun{display:block}
:root[data-theme="dark"] .theme-btn .i-moon{display:none}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .theme-btn .i-sun{display:block}
  :root:not([data-theme="light"]) .theme-btn .i-moon{display:none}
}
:root[data-theme="light"] .theme-btn .i-sun{display:none}
:root[data-theme="light"] .theme-btn .i-moon{display:block}

/* ---------- Hero / page hero ---------- */
.hero{background:var(--block);color:var(--on-block);padding:56px 0 96px;overflow:hidden;position:relative}
.hero::before{content:"";position:absolute;inset:-20% -10% auto auto;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,var(--accent) 0%,transparent 65%);opacity:.22;animation:float 9s ease-in-out infinite;pointer-events:none}
.hero h1{font-size:clamp(56px,11vw,150px);text-transform:uppercase;margin:22px 0 24px}
.hero h1 span{color:var(--accent)}
.hero .sub{font-size:clamp(18px,2.2vw,22px);color:var(--on-block-muted);max-width:640px;margin:0 0 36px}
.hero-meta{display:flex;gap:28px;flex-wrap:wrap;margin-top:56px;color:var(--on-block-muted);font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.1em}
.hero-meta span{position:relative;padding-left:14px}
.hero-meta span::before{content:"";position:absolute;left:0;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:var(--accent)}
.page-hero{background:var(--block);color:var(--on-block);padding:56px 0 72px;position:relative;overflow:hidden}
.page-hero h1{font-size:clamp(48px,9vw,120px);text-transform:uppercase;margin:22px 0 20px}
.page-hero h1 span{color:var(--accent)}
.page-hero p{color:var(--on-block-muted);font-size:clamp(17px,2vw,20px);max-width:620px;margin:0}

/* load-in animation for hero content */
.hero .kicker,.hero h1,.hero .sub,.hero .btn,.hero-meta,
.page-hero .kicker,.page-hero h1,.page-hero p{animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
.hero h1{animation-delay:.12s}
.hero .sub{animation-delay:.24s}
.hero .btn{animation-delay:.34s}
.hero-meta{animation-delay:.44s}
.page-hero h1{animation-delay:.12s}
.page-hero p{animation-delay:.24s}

/* ---------- Marquee ---------- */
.marquee{background:var(--accent);color:var(--accent-ink);overflow:hidden;white-space:nowrap;padding:18px 0;margin-top:-40px;position:relative;transform:rotate(-2deg);width:110%;margin-left:-5%;box-shadow:0 10px 30px -12px var(--accent)}
.marquee div{display:inline-block;font-family:"Archivo Black",sans-serif;font-size:clamp(20px,3vw,32px);text-transform:uppercase;padding-left:20px;animation:slide 22s linear infinite}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(-30px,24px)}}

section{padding:96px 0;background:var(--bg)}
section.alt{background:var(--surface)}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:48px}
.head h2{font-size:clamp(40px,6vw,76px);text-transform:uppercase;max-width:14ch}
.head p{color:var(--muted);max-width:420px;margin:0;font-size:17px}

/* intro */
.intro{display:grid;gap:40px;grid-template-columns:1fr}
.big{font-family:"Archivo Black",sans-serif;font-size:clamp(24px,3vw,36px);line-height:1.2;margin:0}

/* panels */
.duo{display:grid;gap:20px;grid-template-columns:1fr}
.panel{border-radius:24px;padding:40px;min-height:280px;display:flex;flex-direction:column;justify-content:space-between;transition:transform .35s,box-shadow .35s}
.panel:hover{transform:translateY(-6px);box-shadow:0 24px 40px -20px var(--accent)}
.panel h3{font-size:clamp(34px,4vw,52px);text-transform:uppercase}
.panel p{margin:24px 0 0;font-size:17px;line-height:1.6}
.panel.dark{background:var(--block);color:var(--on-block)}
.panel.dark p{color:var(--on-block-muted)}
.panel.lime{background:var(--accent);color:var(--accent-ink)}
.panel.lime p{color:rgba(255,255,255,.88)}
.num{font-family:"Archivo Black",sans-serif;font-size:14px;letter-spacing:.14em;opacity:.7}

/* cards (services) */
.cards{display:grid;gap:16px;grid-template-columns:1fr}
.card{border:2px solid var(--text);border-radius:20px;padding:30px 26px;transition:background .3s,color .3s,transform .3s,border-color .3s;display:flex;flex-direction:column;gap:14px;background:var(--bg);color:var(--text)}
.card:hover{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);transform:translateY(-6px)}
.card .n{font-family:"Archivo Black",sans-serif;font-size:14px;color:var(--muted)}
.card:hover .n{color:rgba(255,255,255,.85)}
.card h3{font-size:clamp(26px,3vw,36px);text-transform:uppercase}
.card ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:16px}
.card li::before{content:"\2192\00a0";color:var(--accent);font-weight:800}
.card:hover li::before{color:var(--accent-ink)}
.card.lime{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.card.lime .n{color:rgba(255,255,255,.85)}
.card.lime li::before{color:var(--accent-ink)}
.card.lime:hover{background:var(--text);border-color:var(--text);color:var(--bg)}
.card.lime:hover li::before{color:var(--accent)}

/* values */
.values{display:grid;gap:16px;grid-template-columns:1fr 1fr}
.value{border:2px solid var(--line);border-radius:20px;padding:28px 24px;transition:background .3s,color .3s,border-color .3s,transform .3s;background:var(--bg)}
.value:hover{background:var(--block);border-color:var(--block);color:var(--on-block);transform:translateY(-4px)}
.value .n{font-family:"Archivo Black",sans-serif;font-size:14px;color:var(--accent)}
.value h3{font-size:clamp(26px,3vw,38px);text-transform:uppercase;margin:10px 0 10px}
.value p{margin:0;color:var(--muted)}
.value:hover p{color:var(--on-block-muted)}

/* stats */
.stats{background:var(--accent);color:var(--accent-ink);padding:88px 0;position:relative;overflow:hidden}
.stats .grid{display:grid;gap:40px;grid-template-columns:1fr 1fr}
.stat-num{font-family:"Archivo Black",sans-serif;font-size:clamp(72px,14vw,180px);line-height:.9;letter-spacing:-.03em}
.stat-label{font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:15px;margin-top:14px;border-top:3px solid rgba(255,255,255,.7);padding-top:12px}

/* leadership */
.team{display:grid;gap:20px;grid-template-columns:1fr}
.person{background:var(--surface);border-radius:24px;overflow:hidden;transition:transform .35s,box-shadow .35s}
.person:hover{transform:translateY(-6px);box-shadow:0 24px 40px -20px var(--accent)}
.person img{width:100%;aspect-ratio:4/5;object-fit:cover;background:var(--line)}
.person .body{padding:22px 24px 26px}
.person h3{font-size:28px;text-transform:uppercase}
.person .role{display:inline-block;margin-top:10px;background:var(--accent);color:var(--accent-ink);font-weight:800;font-size:12px;letter-spacing:.14em;padding:6px 10px;border-radius:999px}

/* logos */
.logos{display:grid;gap:12px;grid-template-columns:repeat(2,1fr)}
.logo-tile{background:#ffffff;border:1px solid var(--line);border-radius:16px;height:120px;display:flex;align-items:center;justify-content:center;padding:18px;transition:transform .25s,box-shadow .25s,border-color .25s}
.logo-tile:hover{transform:translateY(-4px);box-shadow:0 14px 30px -12px var(--accent);border-color:var(--accent)}
.logo-tile img{max-height:70px;width:auto;max-width:100%;object-fit:contain}

/* partners */
.partners{display:grid;gap:14px;grid-template-columns:1fr}
.partner{display:flex;align-items:center;gap:18px;background:var(--block);color:var(--on-block);border-radius:18px;padding:18px 22px;transition:transform .25s,background .25s}
.partner:hover{transform:translateX(6px);background:var(--accent)}
.partner img{height:56px;width:88px;object-fit:contain;background:#fff;border-radius:10px;padding:6px;flex:none}
.partner span{font-family:"Archivo Black",sans-serif;font-size:20px;text-transform:uppercase}

/* suppliers */
.supplier{background:var(--surface);border-radius:28px;padding:40px;display:flex;justify-content:center}
.supplier img{max-width:620px;width:100%;height:auto;background:#fff;border-radius:12px;padding:12px}

/* contact */
.contact-grid{display:grid;gap:16px;grid-template-columns:1fr}
.info{border-radius:24px;padding:32px;background:var(--surface);color:var(--text);transition:transform .3s}
.info:hover{transform:translateY(-4px)}
.info.dark{background:var(--block);color:var(--on-block)}
.info.lime{background:var(--accent);color:var(--accent-ink)}
.info h3{font-size:clamp(26px,3vw,34px);text-transform:uppercase;margin-bottom:18px}
.info a,.info p{font-size:clamp(18px,2.2vw,24px);font-weight:700;display:block;margin:0 0 8px;word-break:break-word}
.info a:hover{text-decoration:underline}
.info small{display:block;font-size:14px;opacity:.7;font-weight:600;text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px}

/* cta band */
.band{background:var(--accent);color:var(--accent-ink);padding:72px 0;position:relative;overflow:hidden}
.band .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.band h2{font-size:clamp(36px,5.5vw,70px);text-transform:uppercase;max-width:16ch}
.band .btn-dark{background:var(--block);color:var(--on-block)}

/* footer (always black) */
footer{background:#0b0d12;color:#aeb6c4;padding:64px 0 28px}
footer .cols{display:grid;gap:36px;grid-template-columns:1fr}
footer img.logo{height:30px;width:auto;margin-bottom:18px;filter:none}
footer h4{margin:0 0 14px;color:#4d86ff;font-size:13px;letter-spacing:.14em;text-transform:uppercase;font-weight:800}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px;font-size:15px}
footer a:hover{color:#4d86ff}
.copy{border-top:1px solid #1c2431;margin-top:48px;padding-top:22px;font-size:13px;color:#7d8798}

/* ---------- Scroll reveal (only when JS runs) ---------- */
.js .reveal{transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.js .reveal:not(.in){opacity:0;transform:translateY(28px)}

@media (min-width:720px){
  .intro{grid-template-columns:1fr 1fr}
  .duo{grid-template-columns:1fr 1fr}
  .cards{grid-template-columns:repeat(2,1fr)}
  .values{grid-template-columns:repeat(4,1fr)}
  .team{grid-template-columns:repeat(3,1fr)}
  .logos{grid-template-columns:repeat(3,1fr)}
  .partners{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr 1fr}
  footer .cols{grid-template-columns:2fr 1fr 1fr}
}
@media (min-width:1000px){
  .cards{grid-template-columns:repeat(3,1fr)}
  .logos{grid-template-columns:repeat(5,1fr)}
  .partners{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:719px){
  .nav{height:auto;padding:14px 0;flex-direction:column;align-items:flex-start;gap:12px}
  .nav ul{gap:4px}
  section{padding:64px 0}
  .stats .grid{grid-template-columns:1fr}
  .values{grid-template-columns:1fr}
}
/* ---------- Inspiration pass: Spotify (bold gradient heroes, swipe rails),
   Airbnb (large soft radii, lift on hover, pill buttons), Behance (project tiles, image zoom) ---------- */
.hero,.page-hero{background:radial-gradient(1000px 520px at 85% -15%,rgba(31,94,255,.55),transparent 60%),radial-gradient(700px 400px at -10% 120%,rgba(31,94,255,.25),transparent 60%),var(--block)}
.hero-meta span{padding:8px 14px;border:1px solid rgba(255,255,255,.22);border-radius:999px;font-size:12px}
.hero-meta span::before{display:none}
.card,.value,.info,.panel,.person,.supplier{border-radius:28px}
.card{background:linear-gradient(165deg,var(--surface) 0%,var(--bg) 70%)}
.card:hover{box-shadow:0 30px 60px -28px rgba(31,94,255,.55)}
.card.lime{background:linear-gradient(165deg,#2b6dff,#1f5eff 60%,#0a3fd1)}
.card .n{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-size:13px}
.card:hover .n{background:#fff;color:var(--accent)}
.person img{transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.person:hover img{transform:scale(1.06)}
.logo-tile{border-radius:22px}
.partner{border-radius:999px;padding:14px 26px 14px 14px}
.partner img{border-radius:999px;width:56px}
.partner span{font-size:16px}
.btn{border-radius:999px;padding:16px 30px}
.stats .stat-label{border-top-color:rgba(255,255,255,.5)}
@media (max-width:719px){
  .cards{display:flex;overflow-x:auto;gap:14px;scroll-snap-type:x mandatory;margin:0 -16px;padding:4px 16px 16px;scrollbar-width:none}
  .cards::-webkit-scrollbar{display:none}
  .cards > .card{flex:0 0 84%;scroll-snap-align:center}
  .team{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 -16px;padding:0 16px 8px;gap:14px;scrollbar-width:none}
  .team::-webkit-scrollbar{display:none}
  .team > .person{flex:0 0 78%;scroll-snap-align:center}
}

/* ---------- Mobile responsiveness + hamburger menu ---------- */
body{overflow-x:clip}
.menu-btn{display:none}

@media (max-width:879px){
  .nav{position:relative;display:flex;flex-direction:row;align-items:center;justify-content:space-between;height:68px;padding:0 16px;gap:0}
  .nav a{flex:none;display:flex;align-items:center}
  .nav a img{height:22px;width:auto;flex:none}
  #mainnav{display:none;position:absolute;top:calc(100% + 10px);right:16px;left:auto;width:248px;max-width:calc(100vw - 32px);background:var(--bg);border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 48px -20px rgba(0,0,0,.4);z-index:30;overflow:hidden}
  #mainnav.open{display:block;animation:drop .3s ease both}
  #mainnav ul{flex-direction:column;gap:4px;padding:12px 16px 20px}
  #mainnav ul{padding:6px 8px}
  #mainnav ul li{border-bottom:none}
  #mainnav ul a{display:flex;align-items:center;justify-content:space-between;font-weight:700;font-size:16px;padding:13px 14px;border-radius:12px;color:var(--text);background:none}
  #mainnav ul a::after{content:"\2192";font-family:Inter,sans-serif;font-weight:800;color:var(--accent);opacity:0;transform:translateX(-6px);transition:opacity .2s,transform .2s}
  #mainnav ul a:hover,#mainnav ul a:focus-visible{color:var(--accent);background:none}
  #mainnav ul a:hover::after,#mainnav ul a:focus-visible::after{opacity:1;transform:none}
  #mainnav ul a[aria-current="page"]{background:none;color:var(--accent)}
  #mainnav ul a[aria-current="page"]::after{opacity:1;transform:none}
  #mainnav{box-shadow:0 30px 50px -28px rgba(0,0,0,.45)}
  .menu-btn{width:44px;height:44px}
  .theme-btn{margin-left:auto}
  .menu-btn{display:grid;place-items:center;appearance:none;border:1px solid var(--line);background:var(--surface);color:var(--text);width:42px;height:42px;border-radius:999px;cursor:pointer;padding:0;margin-left:10px}
  .menu-btn i,.menu-btn i::before,.menu-btn i::after{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .3s,opacity .3s}
  .menu-btn i{position:relative}
  .menu-btn i::before,.menu-btn i::after{content:"";position:absolute;left:0}
  .menu-btn i::before{top:-6px}
  .menu-btn i::after{top:6px}
  .menu-btn[aria-expanded="true"] i{background:transparent}
  .menu-btn[aria-expanded="true"] i::before{transform:translateY(6px) rotate(45deg)}
  .menu-btn[aria-expanded="true"] i::after{transform:translateY(-6px) rotate(-45deg)}
  .hero{padding:40px 0 80px}
  .hero h1{font-size:clamp(38px,11vw,150px);margin:16px 0 18px}
  .page-hero{padding:40px 0 56px}
  .page-hero h1{font-size:clamp(40px,12vw,120px);margin:16px 0 14px}
  .head{margin-bottom:32px}
  .head h2{font-size:clamp(34px,10vw,76px)}
  .big{font-size:clamp(22px,6vw,30px)}
  .hero-meta{margin-top:40px;gap:10px 16px}
  .marquee div{font-size:18px}
  .btn{padding:14px 22px;font-size:15px}
  .panel{padding:28px;min-height:0}
  .panel h3{font-size:clamp(30px,9vw,44px)}
  .value{padding:22px 20px}
  .card{padding:24px 22px}
  .person .body{padding:18px 20px 22px}
  .person h3{font-size:24px}
  .partner{padding:12px 16px}
  .partner span{font-size:17px}
  .supplier{padding:20px}
  .info{padding:24px}
  .info a,.info p{font-size:18px}
  .band{padding:56px 0}
  .band h2{font-size:clamp(32px,9vw,52px)}
  .band .wrap{flex-direction:column;align-items:flex-start}
  .stats{padding:64px 0}
  .stat-num{font-size:clamp(64px,22vw,120px)}
  .copy{font-size:12px}
  footer{padding:48px 0 24px}
}
@keyframes drop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
@media (max-width:359px){
  .wrap{padding:0 14px}
  .hero h1{font-size:36px}
  .page-hero h1{font-size:38px}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}