:root{--navy:#0b1730;--navy2:#13244a;--blue:#0a63e6;--teal:#12b3b8;--ink:#1b2438;--muted:#5b667d;--bg:#ffffff;--soft:#f4f6fa;--line:#e3e8f0;--card:#ffffff;--head:#0b1730;--hdr:rgba(255,255,255,.88);--shadow:0 10px 30px rgba(11,23,48,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}

/* header */
header{position:sticky;top:0;z-index:10;background:var(--hdr);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .3s ease}
header.scrolled{box-shadow:0 4px 20px rgba(11,23,48,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;transition:height .3s ease}
header.scrolled .nav{height:60px}
.brand{display:flex;align-items:center;gap:10px;color:var(--head);font-weight:700;letter-spacing:.2px;text-decoration:none!important}
.brand img{height:46px;width:auto;display:block;transition:height .3s ease}
header.scrolled .brand img{height:38px}
nav{display:flex;align-items:center;gap:22px;font-size:15px}
nav a{color:var(--ink)}nav a.h{position:relative}
nav a.h:after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--teal);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
nav a.h:hover{text-decoration:none}nav a.h:hover:after,nav a.h.active:after{transform:scaleX(1)}
nav a.cta{background:var(--navy);color:#fff;padding:8px 16px;border-radius:8px;transition:background .2s ease,transform .2s ease}
nav a.cta:hover{background:var(--navy2);text-decoration:none;transform:translateY(-1px)}
.lang{font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:3px 8px}

/* scroll progress bar (created by site.js) */
#progress{position:fixed;top:0;left:0;height:3px;width:100%;transform-origin:left;transform:scaleX(0);background:linear-gradient(90deg,var(--blue),var(--teal));z-index:20;pointer-events:none}

/* hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,var(--navy) 0%,var(--navy2) 100%);color:#fff;padding:110px 0 100px}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;pointer-events:none;will-change:transform}
.hero:before{width:460px;height:460px;right:-120px;top:-140px;background:radial-gradient(circle,rgba(18,179,184,.75),transparent 70%);transform:translate3d(0,calc(var(--sy,0)*.18px),0);animation:drift 14s ease-in-out infinite alternate}
.hero:after{width:520px;height:520px;left:-200px;bottom:-260px;background:radial-gradient(circle,rgba(10,99,230,.7),transparent 70%);transform:translate3d(0,calc(var(--sy,0)*-.12px),0);animation:drift 18s ease-in-out infinite alternate-reverse}
.hero .wrap{position:relative;z-index:1}
.hero h1{font-size:clamp(32px,5vw,54px);line-height:1.1;margin:0 0 18px;max-width:780px;letter-spacing:-.6px}
.hero p{font-size:19px;color:#c9d3ea;max-width:640px;margin:0 0 30px}
.hero h1,.hero p,.hero .btns{animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
.hero p{animation-delay:.12s}.hero .btns{animation-delay:.24s}
@keyframes rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
@keyframes drift{from{margin:0}to{margin:30px 0 0 -30px}}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 22px;border-radius:10px;font-weight:600;font-size:16px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;border:0;cursor:pointer;font-family:inherit}
.btn:hover{transform:translateY(-2px);text-decoration:none}
.btn.p{background:var(--blue);color:#fff}.btn.p:hover{background:#0853c4;box-shadow:0 8px 20px rgba(10,99,230,.35)}
.btn.g{border:1px solid rgba(255,255,255,.35);color:#fff}.btn.g:hover{background:rgba(255,255,255,.08)}

/* sections */
section{padding:88px 0}section.soft{background:var(--soft)}
.eyebrow{color:var(--blue);font-weight:700;font-size:13px;letter-spacing:1.4px;text-transform:uppercase;margin-bottom:10px}
h2{font-size:clamp(26px,3.4vw,36px);margin:0 0 14px;color:var(--head);letter-spacing:-.3px;line-height:1.2}
.lead{font-size:18px;color:var(--muted);max-width:720px;margin:0 0 40px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(18,179,184,.5)}
.card h3{margin:14px 0 8px;font-size:18px;color:var(--head)}.card p{margin:0;color:var(--muted);font-size:15.5px}
.ic{width:42px;height:42px;border-radius:11px;background:linear-gradient(135deg,rgba(10,99,230,.12),rgba(18,179,184,.16));display:grid;place-items:center;color:var(--blue);transition:transform .3s ease}
.card:hover .ic{transform:scale(1.08) rotate(-4deg)}
.ic svg{width:22px;height:22px}
.ts{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.tsbox{background:linear-gradient(160deg,var(--navy),var(--navy2));border-radius:18px;padding:44px 34px;display:grid;place-items:center;min-height:260px;box-shadow:var(--shadow)}
.tsbox img{max-width:100%;width:380px;height:auto}
.badge{display:inline-block;background:rgba(18,179,184,.14);color:#0b8c91;border-radius:999px;padding:4px 12px;font-size:13px;font-weight:600;margin-bottom:14px}
ul.ck{list-style:none;padding:0;margin:18px 0 26px}
ul.ck li{padding-left:28px;position:relative;margin:10px 0;color:var(--ink)}
ul.ck li:before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;background:var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.5l2.3 2.3 4.7-5' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}

/* contact */
.contact{background:var(--navy);color:#fff}
.contact h2{color:#fff}.contact .lead{color:#c9d3ea}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start}
.contact-grid .lead{margin-bottom:28px}
.contact a.mail{color:#fff;font-size:20px;font-weight:600;border-bottom:2px solid var(--teal);word-break:break-all}
.contact a.mail:hover{text-decoration:none}
.cform{display:grid;gap:14px}
.cform label{display:grid;gap:6px;font-size:14px;color:#c9d3ea;font-weight:600}
.cform input,.cform textarea{font:inherit;font-weight:400;color:#fff;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.22);border-radius:10px;padding:12px 14px;width:100%;transition:border-color .2s ease,background .2s ease}
.cform input:focus,.cform textarea:focus{outline:none;border-color:var(--teal);background:rgba(255,255,255,.11)}
.cform textarea{min-height:140px;resize:vertical}
.cform .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.cform .btn{justify-self:start}
.cform .btn[disabled]{opacity:.6;cursor:wait}
.fstatus{min-height:24px;font-size:15px;margin:0}
.fstatus.ok{color:#7ee0c3}.fstatus.err{color:#ffb4b4}
footer{padding:28px 0;color:var(--muted);font-size:14px;border-top:1px solid var(--line)}
footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* scroll reveal (only active when site.js has set .js on <html>) */
.js .reveal{opacity:0;translate:0 28px;transition:opacity .8s cubic-bezier(.2,.7,.2,1),translate .8s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;translate:0 0}
.js .reveal.from-left{translate:-32px 0}.js .reveal.from-right{translate:32px 0}
.js .reveal.from-left.in,.js .reveal.from-right.in{translate:0 0}

/* tablet and mobile */
@media(max-width:820px){
.ts,.contact-grid{grid-template-columns:1fr;gap:32px}
nav a.h{display:none}nav{gap:12px}
section{padding:60px 0}.hero{padding:68px 0 64px}
.hero p{font-size:17px}
.brand img{height:38px}header.scrolled .brand img{height:34px}
.nav{height:64px}header.scrolled .nav{height:56px}
.tsbox{padding:32px 22px;min-height:200px}
}
@media(max-width:480px){
.btns .btn,.cform .btn{width:100%;text-align:center}
.cform .btn{justify-self:stretch}
.contact a.mail{font-size:17px}
.lang{padding:3px 6px}nav a.cta{padding:8px 12px}
}

/* dark mode: automatic (system setting) unless the visitor chose a theme with the toggle */
@media(prefers-color-scheme:dark){
:root:not([data-theme=light]){--bg:#0a1224;--soft:#0e1a33;--card:#12203d;--ink:#e6ebf7;--muted:#a3afc9;--line:#22345a;--head:#f2f5fc;--hdr:rgba(10,18,36,.85);--shadow:0 10px 30px rgba(0,0,0,.45);color-scheme:dark}
:root:not([data-theme=light]) .brand img{filter:brightness(0) invert(1)}
:root:not([data-theme=light]) nav a.cta{background:var(--blue)}:root:not([data-theme=light]) nav a.cta:hover{background:#0853c4}
:root:not([data-theme=light]) .badge{color:#5fd6da}
:root:not([data-theme=light]) .hero,:root:not([data-theme=light]) .contact{border-top:1px solid rgba(255,255,255,.06)}
:root:not([data-theme=light]) footer{background:var(--bg)}
}
/* explicit choice via the toggle */
:root[data-theme=dark]{--bg:#0a1224;--soft:#0e1a33;--card:#12203d;--ink:#e6ebf7;--muted:#a3afc9;--line:#22345a;--head:#f2f5fc;--hdr:rgba(10,18,36,.85);--shadow:0 10px 30px rgba(0,0,0,.45);color-scheme:dark}
:root[data-theme=dark] .brand img{filter:brightness(0) invert(1)}
:root[data-theme=dark] nav a.cta{background:var(--blue)}:root[data-theme=dark] nav a.cta:hover{background:#0853c4}
:root[data-theme=dark] .badge{color:#5fd6da}
:root[data-theme=dark] .hero,:root[data-theme=dark] .contact{border-top:1px solid rgba(255,255,255,.06)}
:root[data-theme=dark] footer{background:var(--bg)}

/* theme toggle button */
.theme{display:grid;place-items:center;width:36px;height:36px;border-radius:9px;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;transition:background .2s ease,transform .2s ease}
.theme:hover{background:var(--soft);transform:rotate(12deg)}
.theme svg{width:18px;height:18px}
.theme .sun{display:none}
:root[data-theme=dark] .theme .sun{display:block}:root[data-theme=dark] .theme .moon{display:none}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .theme .sun{display:block}:root:not([data-theme=light]) .theme .moon{display:none}}

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