:root{
  --bg:#FBF8F3; --surface:#FFFFFF; --ink:#1B2430; --muted:#5A6472; --heading:#133A63;
  --brand:#133A63; --brand-2:#1F6FD1; --sky:#2AA6DF; --line:#ECE5DA; --on-brand:#FFFFFF;
  --field:#FFFFFF; --error:#C0362C; --ok:#1F7A4D;
  --amber:#FFA62B; --amber-ink:#B4520A; --teal:#14A89A; --teal-ink:#0E7C71;
  --coral:#FF6B5B; --coral-ink:#C2412F; --sky-ink:#1C6FA8;
  --topbar-bg:#0E7C71; --band-bg:#FFF3E0; --on-accent:#1B1206;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#11161D; --surface:#19212B; --ink:#E8ECF1; --muted:#A3ADBA; --heading:#F1F4F8;
    --brand:#173F6C; --brand-2:#6FA3DA; --sky:#45B8EA; --line:#2A3441; --field:#141B24;
    --error:#FF8A80; --ok:#6FD3A0;
    --amber:#FFB547; --amber-ink:#FFB547; --teal:#2CC4B4; --teal-ink:#45D3C3;
    --coral:#FF8576; --coral-ink:#FF8E80; --sky-ink:#6CC4F0;
    --topbar-bg:#0B5F57; --band-bg:#1F1B15; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#11161D; --surface:#19212B; --ink:#E8ECF1; --muted:#A3ADBA; --heading:#F1F4F8;
  --brand:#173F6C; --brand-2:#6FA3DA; --sky:#45B8EA; --line:#2A3441; --field:#141B24;
  --error:#FF8A80; --ok:#6FD3A0;
  --amber:#FFB547; --amber-ink:#FFB547; --teal:#2CC4B4; --teal-ink:#45D3C3;
  --coral:#FF8576; --coral-ink:#FF8E80; --sky-ink:#6CC4F0;
  --topbar-bg:#0B5F57; --band-bg:#1F1B15; color-scheme:dark;
}
*,*::before,*::after{box-sizing:inherit}
html{height:100%;scroll-behavior:smooth;scroll-padding-top:calc(env(safe-area-inset-top,0px) + 84px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--sky);outline-offset:3px;border-radius:4px}
.wrap{width:min(1160px,100% - 40px);margin-inline:auto}
h1,h2,h3{font-stretch:112%;color:var(--heading);line-height:1.12;margin:0;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.2vw,2.4rem);font-weight:750}
h3{font-size:1.12rem;font-weight:700;letter-spacing:0}
p{margin:0}
.lead{font-size:1.15rem;color:var(--muted);max-width:56ch}
section{padding:clamp(64px,9vw,112px) 0}
.sec-head{max-width:62ch;margin-bottom:44px}
.sec-head p{margin-top:14px;color:var(--muted)}

/* logo swap */
.logo-w{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .logo-c{display:none}:root:not([data-theme="light"]) .logo-w{display:block}}
:root[data-theme="dark"] .logo-c{display:none}:root[data-theme="dark"] .logo-w{display:block}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 22px;border-radius:999px;font:inherit;font-weight:650;font-size:.98rem;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background-color .15s,color .15s,border-color .15s}
.btn-primary{background:var(--amber);color:var(--on-accent)}
.btn-primary:hover{background:color-mix(in srgb,var(--amber) 86%,#000)}
.btn-ghost{border-color:var(--line);color:var(--heading);background:transparent}
.btn-ghost:hover{border-color:var(--teal)}
.btn-wa{background:#1F8F55;color:#fff}
.btn-wa:hover{background:#17733f}
.btn svg{width:18px;height:18px;flex:none}

/* top bar */
.topbar{background:var(--topbar-bg);color:#E2F4F1;font-size:.86rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px}
.topbar a{text-decoration:none;color:#fff}
.topbar .contacts{display:flex;gap:22px;flex-wrap:wrap}
.topbar .net{opacity:.9}

/* header */
header.site{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
@supports not (background:color-mix(in srgb,red,blue)){header.site{background:var(--surface)}}
header.site .wrap{display:flex;align-items:center;gap:28px;min-height:76px}
.brand img{height:50px;width:auto}
nav.main{margin-left:auto}
nav.main ul{display:flex;gap:6px;list-style:none;margin:0;padding:0}
nav.main a{display:block;padding:8px 12px;border-radius:8px;text-decoration:none;font-weight:550;color:var(--ink);font-size:.97rem}
nav.main a:hover{background:color-mix(in srgb,var(--teal) 12%,transparent);color:var(--teal-ink)}
.lang{display:inline-flex;border:1.5px solid var(--line);border-radius:999px;padding:3px;background:var(--surface)}
.lang button{font:inherit;font-size:.82rem;font-weight:700;border:0;background:transparent;color:var(--muted);padding:5px 11px;border-radius:999px;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--amber);color:var(--on-accent)}
.menu-btn{display:none;background:none;border:1.5px solid var(--line);border-radius:10px;width:44px;height:44px;color:var(--heading);cursor:pointer}
.menu-btn svg{width:22px;height:22px}
.hdr-cta{white-space:nowrap}

/* hero */
.hero{padding:clamp(48px,7vw,88px) 0 clamp(56px,7vw,96px);overflow:hidden;
  background:
    radial-gradient(55% 70% at 100% 0%,color-mix(in srgb,var(--amber) 22%,transparent),transparent 70%),
    radial-gradient(45% 60% at 0% 100%,color-mix(in srgb,var(--teal) 16%,transparent),transparent 70%),
    var(--surface)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{max-width:15ch}
.hero .lead{margin-top:22px}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.hero .sponsor{margin-top:40px;display:flex;flex-wrap:wrap;row-gap:6px;align-items:center;gap:14px;color:var(--muted);font-size:.92rem}
.hero .sponsor strong{color:var(--heading);font-stretch:118%;font-weight:800;font-size:1.05rem;letter-spacing:.02em}
.hero .sponsor .bar{width:28px;height:3px;background:linear-gradient(90deg,var(--amber),var(--coral));border-radius:2px}
.routes{width:100%;height:auto}
.routes .grid-dot{fill:var(--line)}
.routes .arc{fill:none;stroke:var(--brand-2);stroke-width:2.2;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:0}
.routes .arc:nth-of-type(3n+2){stroke:var(--teal)}
.routes .arc:nth-of-type(3n){stroke:var(--amber)}
.routes .origin{fill:var(--surface);stroke:var(--teal);stroke-width:2.2}
.routes .lbl{fill:var(--muted);font:600 13px "Archivo",system-ui,sans-serif}
.routes .dest{fill:var(--coral)}
.routes .ring{fill:none;stroke:var(--coral);stroke-width:1.5;opacity:.45}
.routes .dest-lbl{fill:var(--heading);font:800 16px "Archivo",system-ui,sans-serif;font-stretch:115%}
.routes .dest-sub{fill:var(--muted);font:500 12.5px "Archivo",system-ui,sans-serif}
@media (prefers-reduced-motion:no-preference){
  .routes .arc{stroke-dashoffset:1;animation:draw 1.5s cubic-bezier(.6,0,.2,1) forwards}
  .routes .fade{opacity:0;animation:fade .5s ease forwards}
  @keyframes draw{to{stroke-dashoffset:0}}
  @keyframes fade{to{opacity:1}}
}

/* amass band */
.band{background:var(--band-bg);color:var(--muted);padding:clamp(56px,7vw,84px) 0}
.band .wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:56px;align-items:start}
.band p{margin-top:16px;max-width:52ch}
.facts{--rule:color-mix(in srgb,var(--amber) 40%,transparent);display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-left:1px solid var(--rule)}
.fact{padding:6px 24px}
.fact + .fact{border-left:1px solid var(--rule)}
.fact b{display:block;color:var(--amber-ink);font-stretch:118%;font-size:1.9rem;font-weight:800;line-height:1.1}
.fact:nth-child(2) b{color:var(--teal-ink)}
.fact:nth-child(3) b{color:var(--coral-ink)}
.fact span{display:block;margin-top:10px;font-size:.95rem;line-height:1.5}

/* per-item accent colors */
.svc,.res,.steps li{--c:var(--amber);--c-ink:var(--amber-ink)}
.svc:nth-child(2),.svc:nth-child(6),.res:nth-child(2),.steps li:nth-child(3n+2){--c:var(--teal);--c-ink:var(--teal-ink)}
.svc:nth-child(3),.res:nth-child(3),.steps li:nth-child(3n){--c:var(--coral);--c-ink:var(--coral-ink)}
.svc:nth-child(4){--c:var(--sky);--c-ink:var(--sky-ink)}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:28px 26px 30px;position:relative;transition:border-color .15s}
.svc:hover{border-color:var(--c)}
.svc::before{content:"";position:absolute;left:26px;top:0;width:44px;height:4px;background:var(--c);border-radius:0 0 3px 3px}
.svc .ico{width:44px;height:44px;border-radius:11px;background:color-mix(in srgb,var(--c) 16%,transparent);display:grid;place-items:center;color:var(--c-ink);margin-bottom:20px}
.svc .ico svg{width:24px;height:24px}
.svc p{margin-top:10px;color:var(--muted);font-size:.97rem}

/* about */
.about{background:var(--surface)}
.about .wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.about .body p{color:var(--muted);margin-top:18px;max-width:58ch}
.about .body p:first-of-type{margin-top:22px}
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:52px 1fr;gap:18px;padding:22px 0;border-top:1px solid var(--line)}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps li::before{content:counter(s);width:40px;height:40px;border-radius:50%;border:2px solid var(--c);background:color-mix(in srgb,var(--c) 14%,transparent);color:var(--c-ink);display:grid;place-items:center;font-weight:800;font-stretch:115%}
.steps p{color:var(--muted);margin-top:6px;font-size:.97rem}
.steps-title{font-size:1rem;font-weight:700;color:var(--muted);margin-bottom:14px}

/* tracking + contact forms */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.card{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--teal);border-radius:18px;padding:clamp(24px,3.5vw,38px)}
.card h3{font-size:1.25rem}
.card .hint{color:var(--muted);font-size:.93rem;margin-top:8px}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px 18px;margin-top:24px}
.f{display:flex;flex-direction:column;gap:6px}
.f.full{grid-column:1/-1}
.f label{font-size:.9rem;font-weight:650;color:var(--ink)}
.f label .req{color:var(--error)}
.f input,.f select,.f textarea{font:inherit;font-size:1rem;color:var(--ink);background:var(--field);border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;width:100%}
.f textarea{min-height:104px;resize:vertical}
.f input:focus,.f select:focus,.f textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px color-mix(in srgb,var(--teal) 22%,transparent)}
.f .err{display:none;color:var(--error);font-size:.84rem}
.f.invalid input,.f.invalid select{border-color:var(--error)}
.f.invalid .err{display:block}
.form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.form-note{margin-top:14px;color:var(--muted);font-size:.85rem}
.form-done{display:none;margin-top:18px;padding:14px 16px;border-radius:10px;background:color-mix(in srgb,var(--ok) 12%,transparent);color:var(--ok);font-weight:600;font-size:.95rem}
.form-done.show{display:block}

/* resources */
.res-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.res{display:flex;flex-direction:column;gap:10px;padding:28px;border-radius:14px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--c);text-decoration:none;transition:border-color .15s}
.res p{color:var(--muted);font-size:.97rem;flex:1}
.res .go{color:var(--c-ink);font-weight:700;margin-top:8px}
.res:hover{border-color:var(--c)}

/* contact */
.contact{background:var(--surface)}
.person{display:flex;flex-direction:column;gap:22px}
.person .who b{display:block;font-size:1.3rem;font-stretch:112%;color:var(--heading)}
.person .who span{color:var(--muted)}
.clist{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.clist li{display:flex;gap:14px;align-items:center}
.clist .ci{width:40px;height:40px;border-radius:10px;background:color-mix(in srgb,var(--teal) 14%,transparent);display:grid;place-items:center;color:var(--teal-ink);flex:none}
.clist .ci svg{width:20px;height:20px}
.clist a{text-decoration:none;font-weight:600}
.clist a:hover{color:var(--teal-ink)}
.clist small{display:block;color:var(--muted);font-size:.82rem;font-weight:500}

/* footer */
footer{background:var(--brand);color:#C9D9EB;padding:64px 0 28px;font-size:.94rem;border-top:5px solid;border-image:linear-gradient(90deg,var(--amber),var(--coral),var(--teal),var(--sky)) 1}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
footer img{height:46px;width:auto}
footer h4{color:#fff;font-size:.98rem;margin:0 0 14px;font-weight:700}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
footer a{text-decoration:none;color:#C9D9EB}
footer a:hover{color:var(--amber)}
footer .about-f p{margin-top:18px;max-width:34ch}
footer .legal{border-top:1px solid rgba(255,255,255,.16);margin-top:48px;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.84rem}
footer .flogo-w{display:block}

/* responsive */
@media (max-width:1020px){
  nav.main{position:fixed;inset:calc(env(safe-area-inset-top,0px) + 76px) 0 auto 0;background:var(--surface);border-bottom:1px solid var(--line);display:none;padding:10px 20px 18px;margin:0}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column}
  nav.main a{padding:12px 8px;font-size:1.05rem}
  .menu-btn{display:grid;place-items:center}
  .lang{margin-left:auto}
  .hdr-cta{display:none}
  .hero .wrap,.band .wrap,.about .wrap,.split{grid-template-columns:1fr}
  .routes{max-width:560px;margin-inline:auto}
  .svc-grid,.res-grid{grid-template-columns:1fr 1fr}
  footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .topbar .net{display:none}
  .topbar .contacts .email{display:none}
  .facts{grid-template-columns:1fr;border-left:0}
  .fact{padding:18px 0;border-top:1px solid var(--rule)}
  .fact + .fact{border-left:0}
  .svc-grid,.res-grid,.fields{grid-template-columns:1fr}
  footer .cols{grid-template-columns:1fr}
  .brand img{height:38px}
  header.site .wrap{gap:12px}
}