/* ============================ Buttons ============================ */
.btn{
	display:inline-block;font:600 .98rem/1 var(--body);text-decoration:none;color:#fff;
	background:var(--grad);padding:14px 26px;border-radius:12px;border:none;cursor:pointer;
	box-shadow:0 12px 26px rgba(13,94,175,.28);transition:transform .18s, box-shadow .18s, filter .18s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(13,94,175,.34);filter:brightness(1.04)}
.btn--ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4);box-shadow:none}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn--light{background:#fff;color:var(--blue);box-shadow:0 12px 26px rgba(0,0,0,.18)}
.btn--sm{padding:10px 18px;font-size:.9rem}

/* ============================ Nav ============================ */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .25s, box-shadow .25s, padding .25s;padding:16px 0}
.nav::before{content:"";position:absolute;inset:0;background:rgba(14,17,22,.55);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);opacity:0;transition:opacity .25s}
.nav.is-scrolled{padding:9px 0}
.nav.is-scrolled::before{opacity:1;box-shadow:0 1px 0 rgba(255,255,255,.06)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;position:relative}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.brand__mark{width:38px;height:38px;display:block;filter:drop-shadow(0 4px 10px rgba(13,94,175,.4))}
.brand__word{font:700 1.18rem/1 var(--disp);letter-spacing:-.02em;color:#fff}
.nav__links{display:flex;align-items:center;gap:26px}
.nav__menu{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.nav__menu a{color:rgba(255,255,255,.82);text-decoration:none;font-weight:500;font-size:.96rem;position:relative;padding:4px 0}
.nav__menu a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--grad);transition:width .22s;border-radius:2px}
.nav__menu a:hover{color:#fff}.nav__menu a:hover::after{width:100%}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;z-index:60}
.nav__toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.25s}

/* ============================ Hero ============================ */
.hero{position:relative;background:radial-gradient(1200px 600px at 75% -10%, #17386b 0%, transparent 60%),linear-gradient(160deg,#0E1116 0%,#101a2e 55%,#0b2140 100%);color:#fff;padding:150px 0 120px;overflow:hidden;clip-path:polygon(0 0,100% 0,100% 95%,0 100%)}
.hero__bg{position:absolute;inset:0;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55}
.orb--1{width:420px;height:420px;background:radial-gradient(circle,#4F9BE0,transparent 70%);top:-80px;right:-60px;animation:float 13s ease-in-out infinite}
.orb--2{width:340px;height:340px;background:radial-gradient(circle,#0D5EAF,transparent 70%);bottom:-100px;left:-40px;animation:float 16s ease-in-out infinite reverse}
.orb--3{width:220px;height:220px;background:radial-gradient(circle,#86BBE8,transparent 70%);top:40%;left:45%;opacity:.35;animation:float 11s ease-in-out infinite}
.grid-dots{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);background-size:30px 30px;mask-image:linear-gradient(180deg,#000,transparent 85%);-webkit-mask-image:linear-gradient(180deg,#000,transparent 85%)}
.hero__grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font:600 .74rem/1 var(--body);letter-spacing:.16em;text-transform:uppercase;color:#A9CDEF;margin-bottom:18px}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--grad);box-shadow:0 0 12px #6AA9E0}
.hero h1{font-size:clamp(2.4rem,5vw,4rem);color:#fff;margin:0 0 .3em}
.hero__lead{font-size:1.12rem;color:rgba(233,241,248,.82);max-width:46ch;margin:0 0 30px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}
.hero__stats{display:flex;gap:34px;margin-top:40px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12)}
.stat{display:flex;flex-direction:column;gap:3px}
.stat strong{font:700 1.7rem/1 var(--disp)}
.stat span{font-size:.82rem;color:rgba(233,241,248,.6)}
.hero__visual{position:relative;display:flex;justify-content:center}
.hero__card{position:relative;width:min(360px,80%);aspect-ratio:1;border-radius:32px;background:linear-gradient(160deg,rgba(255,255,255,.12),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;box-shadow:0 40px 90px rgba(5,20,45,.55)}
.hero__mark{width:66%;height:auto;animation:float 9s ease-in-out infinite;filter:drop-shadow(0 20px 40px rgba(13,94,175,.4))}

@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}

/* ============================ Sections ============================ */
.section{padding:88px 0}
.section--light{background:var(--paper)}
.section--tint{background:linear-gradient(180deg,#F3F7FC,#EAF2FB)}
.section--dark{background:var(--ink);color:#fff}
.section__head{text-align:center;max-width:720px;margin:0 auto 46px}
.kicker{display:inline-block;font:600 .72rem/1 var(--body);letter-spacing:.18em;text-transform:uppercase;color:#fff;background:var(--grad);padding:7px 14px;border-radius:999px;margin-bottom:16px}
.section__head h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
.section__sub{color:var(--muted);font-size:1.05rem;margin-top:.3em}

/* ============================ Page hero ============================ */
.pagehero{position:relative;background:linear-gradient(160deg,#0E1116,#102banner 60%,#0b2140);background:linear-gradient(160deg,#0E1116,#102542 60%,#0b2140);color:#fff;padding:150px 0 70px;overflow:hidden}
.pagehero__bg{position:absolute;inset:0;overflow:hidden}
.pagehero .kicker{background:rgba(255,255,255,.12)}
.pagehero h1{font-size:clamp(2rem,4.4vw,3.2rem);color:#fff;margin:.2em 0 .4em}
.pagehero--project .si-badge{margin:4px 0 2px}
.backlink{display:inline-block;color:#A9CDEF;text-decoration:none;font-weight:600;font-size:.92rem;margin-bottom:12px}
.backlink:hover{color:#fff}
.pagehero__sub{font-size:1.15rem;color:rgba(233,241,248,.82);max-width:60ch;margin:.2em 0 1.4em}
.project__footnote{max-width:860px;margin:30px auto 0;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:.95rem}

/* ============================ CTA ============================ */
.cta{position:relative;background:var(--grad);color:#fff;padding:84px 0;overflow:hidden;text-align:center}
.cta__bg{position:absolute;inset:0;overflow:hidden}
.cta .orb{opacity:.4}
.cta__inner{position:relative;max-width:640px;margin:0 auto}
.cta h2{color:#fff;font-size:clamp(1.8rem,3.6vw,2.6rem)}
.cta p{color:rgba(255,255,255,.9);margin:0 0 26px}

/* ============================ Entry / pages ============================ */
.entry{max-width:860px;margin:0 auto}
.entry p{color:var(--text)}
.project__desc{margin-top:38px}

/* ============================ Footer ============================ */
.foot{position:relative;background:var(--ink);color:#cfd6e2;padding:70px 0 0;overflow:hidden}
.foot__glow{position:absolute;top:-1px;left:0;right:0;height:3px;background:var(--grad)}
.foot__inner{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;padding-bottom:40px}
.foot .brand__word{color:#fff}
.foot__tag{max-width:40ch;margin-top:14px;color:#8A93A6}
.foot__cols{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.foot__cols h4{color:#fff;font-size:.95rem;margin:0 0 12px}
.foot__cols a,.foot__cols span{display:block;color:#9AA3B2;text-decoration:none;font-size:.92rem;margin:6px 0}
.foot__cols a:hover{color:var(--cel)}
.foot__bar{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;color:#6b7482;font-size:.85rem}

/* ============================ Reveal ============================ */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease}
[data-reveal].is-in{opacity:1;transform:none}

/* ============================ Responsive ============================ */
@media (max-width:900px){
	.hero__grid{grid-template-columns:1fr;gap:30px}
	.hero__visual{order:-1}
	.hero__card{width:min(260px,70%)}
	.foot__inner{grid-template-columns:1fr}
}
@media (max-width:760px){
	.nav__toggle{display:flex}
	.nav__links{position:fixed;inset:0 0 0 auto;width:min(80vw,320px);flex-direction:column;align-items:flex-start;gap:18px;background:#0E1116;padding:96px 28px 28px;transform:translateX(100%);transition:transform .3s;box-shadow:-20px 0 60px rgba(0,0,0,.4)}
	.nav__links.is-open{transform:none}
	.nav__menu{flex-direction:column;gap:18px}
	body.nav-open{overflow:hidden}
	.hero{padding:130px 0 90px}
	.hero__stats{gap:22px}
}
@media (prefers-reduced-motion:reduce){
	.orb,.hero__mark{animation:none}
	[data-reveal]{transition:none;opacity:1;transform:none}
	html{scroll-behavior:auto}
}