/* Lambda Solutions - premium navy / white / blue. Edit the tokens below to rebrand. */
@font-face{font-family:"Manrope";src:url("../fonts/manrope/manrope-v20-latin-regular.woff2") format("woff2");font-weight:200 800;font-style:normal;font-display:swap}
@font-face{font-family:"Inter";src:url("../fonts/inter/inter-v20-latin-regular.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
:root{--navy:#0A1F44;--ink:#06122B;--blue:#1F6FEB;--blue-d:#1757BD;--sky:#7CB8FF;--mist:#F2F6FC;--line:#D9E2F0;--text:#1B2A44;--muted:#52627F;--white:#fff;--radius:14px;--max:1160px;
--font:"Inter","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
--font-head:"Manrope","Inter","Segoe UI",system-ui,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--white);line-height:1.65;font-size:1.0625rem}
img,svg{max-width:100%;height:auto}
a{color:var(--blue-d)}a:hover{color:var(--navy)}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:4px}
.container{width:min(100% - 2.5rem,var(--max));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:.7rem 1rem;z-index:100}
.skip-link:focus{left:0}
h1,h2,h3{font-family:var(--font);color:var(--navy);line-height:1.15;letter-spacing:-.02em;margin:0 0 .6em}
h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:750}
h2{font-size:clamp(1.55rem,3vw,2.2rem);font-weight:700}
h3,.h3{font-size:1.2rem;font-weight:650;letter-spacing:-.01em}
p{margin:0 0 1em;max-width:68ch}
.lead{font-size:1.2rem;color:inherit;opacity:.92}
.section{padding:clamp(3rem,7vw,5.5rem) 0}
.section.alt{background:var(--mist)}
.section-lead{color:var(--muted);font-size:1.12rem;margin-bottom:2rem}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--navy)}
.brand-name{font-weight:750;font-size:1.2rem;letter-spacing:-.02em}
.brand-name span{font-weight:400;color:var(--blue-d)}
.primary-nav{display:flex;align-items:center;gap:1.2rem}
.primary-nav ul{display:flex;gap:.2rem;list-style:none;margin:0;padding:0}
.primary-nav li a{display:block;padding:.5rem .7rem;border-radius:8px;text-decoration:none;color:var(--text);font-size:.97rem;font-weight:500}
.primary-nav li a:hover{background:var(--mist);color:var(--navy)}
.primary-nav li a[aria-current=page]{color:var(--blue-d);box-shadow:inset 0 -3px 0 var(--blue);border-radius:0}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:46px;height:46px;cursor:pointer}
.bars,.bars::before,.bars::after{display:block;width:20px;height:2px;background:var(--navy);position:relative;margin:auto;content:"";transition:transform .2s}
.bars::before{position:absolute;top:-6px;left:0}.bars::after{position:absolute;top:6px;left:0}
.nav-toggle[aria-expanded=true] .bars{background:transparent}
.nav-toggle[aria-expanded=true] .bars::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded=true] .bars::after{transform:translateY(-6px) rotate(-45deg)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--blue);color:#fff;border:2px solid var(--blue);padding:.8rem 1.4rem;border-radius:999px;font:inherit;font-weight:600;text-decoration:none;cursor:pointer;transition:background .2s,transform .2s}
.btn:hover{background:var(--blue-d);border-color:var(--blue-d);color:#fff;transform:translateY(-1px)}
.btn-small{padding:.5rem 1.1rem;font-size:.95rem}
.btn-light{background:#fff;color:var(--navy);border-color:#fff}.btn-light:hover{background:var(--mist);color:var(--navy);border-color:var(--mist)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55)}.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-ghost-dark{background:transparent;color:var(--navy);border-color:var(--navy)}.btn-ghost-dark:hover{background:var(--navy);color:#fff}
.actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}

/* hero: the one expressive moment */
.hero{background:radial-gradient(1200px 500px at 85% -10%,#18407f 0,transparent 60%),linear-gradient(180deg,var(--navy),var(--ink));color:#fff;padding:clamp(3rem,8vw,6rem) 0;overflow:hidden}
.hero h1{color:#fff;max-width:18ch}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:3rem;align-items:center}
.hero-copy{animation:rise .8s ease both}
.page-hero{background:linear-gradient(180deg,var(--navy),var(--ink));color:#fff;padding:clamp(2.5rem,6vw,4.5rem) 0}
.page-hero h1{color:#fff;font-size:clamp(2rem,4.5vw,3rem);max-width:24ch}
.page-hero .lead{max-width:60ch;margin:0}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* diagrams */
.diagram{margin:0}.diagram figcaption,.spectrum figcaption{font-size:.88rem;color:var(--muted);margin-top:.6rem}
.hero .diagram figcaption{color:#A9BEDD}
.arch{width:100%;height:auto}
.arch text{fill:#fff;font-size:14px}.arch .t-head{font-weight:700;font-size:15px}
.n-core{fill:#0F2A58;stroke:#2F5FA8}.n-sub{fill:#1F6FEB}.n-mid{fill:#fff;stroke:#7CB8FF;stroke-width:2}
.arch .t-mid{fill:var(--navy)}.n-ext{fill:#12305F;stroke:#2F5FA8}
.page-hero~.section .arch text,.section .arch text{fill:#fff}
.section .arch .t-mid{fill:var(--navy)}
.section .n-core{fill:var(--navy)}.section .n-ext{fill:var(--navy)}
.flow path{stroke-dasharray:6 7;animation:flow 1.6s linear infinite}
@keyframes flow{to{stroke-dashoffset:-26}}
.spectrum ol{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.spectrum li{display:grid;padding:.9rem 1.1rem;border-left:5px solid var(--sky);background:#fff;border-radius:0 var(--radius) var(--radius) 0}
.spectrum li:nth-child(2){border-color:#4B93F2}.spectrum li:nth-child(3){border-color:var(--blue)}.spectrum li:nth-child(4){border-color:var(--navy)}
.spectrum li span{color:var(--muted);font-size:.95rem}
.roadmap{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:1rem;counter-reset:s}
.roadmap li{display:flex;flex-direction:column;gap:.6rem;border-top:3px solid var(--blue);padding-top:1rem}
.rm-n{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;font-weight:700}
.roadmap p{font-size:.95rem;color:var(--muted);margin:.2rem 0 0}

/* content */
.grid{display:grid;gap:1.4rem}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem}
.alt .card{border-color:transparent}
.card .ico{color:var(--blue);margin-bottom:.8rem}
.card p{color:var(--muted);margin-bottom:.8rem}
.more{font-weight:650;text-decoration:none;color:var(--blue-d);border-bottom:2px solid var(--sky)}
.more:hover{border-color:var(--navy)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.ticks,.list{list-style:none;margin:0;padding:0}
.ticks li{display:flex;gap:.7rem;margin-bottom:.8rem;align-items:flex-start}
.ticks .ico{color:var(--blue);flex:none;margin-top:.15rem}
.list li{padding-left:1.3rem;position:relative;margin-bottom:.45rem}
.list li::before{content:"";position:absolute;left:0;top:.7em;width:7px;height:7px;border-radius:2px;background:var(--blue)}
.cta-band{background:linear-gradient(100deg,var(--blue-d),var(--navy));color:#fff;padding:3.2rem 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.cta-band h2{color:#fff;margin-bottom:.3rem}.cta-band p{margin:0;opacity:.9}
.prose{max-width:760px}.prose h2{margin-top:2rem;font-size:1.4rem}
.notfound{text-align:center}.notfound .container{display:grid;justify-items:center}
.big-lambda{font-size:7rem;line-height:1;margin:0;color:var(--blue);font-weight:300}
.notfound .actions{justify-content:center}

/* form */
.contact-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:2.5rem;align-items:start}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.field{display:flex;flex-direction:column;margin-bottom:1.2rem}
.field label{font-weight:600;margin-bottom:.35rem;color:var(--navy)}
.opt{font-weight:400;color:var(--muted)}
input[type=text],input[type=email],input[type=tel],select,textarea{font:inherit;padding:.75rem .9rem;border:1.5px solid #9FB1CE;border-radius:10px;background:#fff;color:var(--text);width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--blue);outline:3px solid rgba(31,111,235,.25)}
.field small{color:var(--muted);margin-top:.3rem}
.field.check{flex-direction:row;gap:.7rem;align-items:flex-start}.field.check input{margin-top:.4rem;width:20px;height:20px}.field.check label{font-weight:400;color:var(--text)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.notice{padding:1rem 1.2rem;border-radius:10px;margin-bottom:1.4rem;border:1px solid}
.notice ul{margin:.4rem 0 0 1.2rem;padding:0}
.notice.ok{background:#EAF7EF;border-color:#1E8A4C;color:#0E4D2A}
.notice.err{background:#FDECEC;border-color:#C0392B;color:#7A1F16}
.notice.info{background:var(--mist);border-color:var(--line)}
.is-invalid{border-color:#C0392B!important}

/* footer */
.site-footer{background:var(--ink);color:#C9D6EC;padding:3.5rem 0 1.5rem;font-size:.97rem}
.site-footer a{color:#C9D6EC}.site-footer a:hover{color:#fff}
.site-footer h2{color:#fff;font-size:1rem;margin-bottom:.8rem}
.brand-foot{color:#fff;margin-bottom:.8rem}.brand-foot .brand-name span{color:var(--sky)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:2rem}
.footer-grid ul{list-style:none;margin:0;padding:0}.footer-grid li{margin-bottom:.4rem}
.footer-base{border-top:1px solid #1B3563;margin-top:2rem;padding-top:1.2rem;font-size:.85rem;color:#93A8CB}
.footer-base p{max-width:none}

@media (max-width:980px){
 .hero-grid,.split,.contact-grid{grid-template-columns:1fr}
 .g3,.g4{grid-template-columns:repeat(2,1fr)}.roadmap{grid-template-columns:1fr 1fr}
 .nav-toggle{display:inline-grid;place-items:center}
 .primary-nav{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:1rem 1.25rem 1.4rem;display:none}
 .primary-nav.open{display:flex}.primary-nav ul{flex-direction:column}
 .primary-nav li a[aria-current=page]{box-shadow:none;background:var(--mist)}
 .primary-nav .btn{justify-content:center}
}
@media (max-width:620px){.g2,.g3,.g4,.form .row,.roadmap,.footer-grid{grid-template-columns:1fr}.brand-name{font-size:1.05rem}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Contact button keeps its hover look when it is the current page */
.primary-nav .btn[aria-current=page]{background:var(--blue-d);border-color:var(--blue-d);color:#fff;border-radius:999px;box-shadow:inset 0 -3px 0 var(--blue);font-weight:650}