/* Refinements scoped to the selected concept. */
.concept-a{--ease-ui:cubic-bezier(.23,1,.32,1)}
.concept-a .button,.concept-a .header-contact,.concept-a .menu-toggle{transition:transform 140ms var(--ease-ui),background-color 140ms ease,color 140ms ease,border-color 140ms ease;-webkit-tap-highlight-color:transparent}
.concept-a .button:active,.concept-a .header-contact:active,.concept-a .menu-toggle:active{transform:scale(.97)}
.concept-a .button:active{background:#1946b6}
.concept-a .menu-toggle{border-radius:6px}
.concept-a .service-list summary{border-radius:6px;transition:color 140ms ease}
.concept-a .service-list .plus{font-size:0;position:relative;width:24px;height:24px;transform:none;justify-self:end}
.concept-a .service-list .plus::before,.concept-a .service-list .plus::after{content:"";position:absolute;left:4px;top:11px;width:16px;height:2px;background:currentColor;border-radius:1px}
.concept-a .service-list .plus::after{transform:rotate(90deg);transition:transform 160ms var(--ease-ui),opacity 160ms ease}
.concept-a .service-list details[open] .plus::after{transform:rotate(0);opacity:0}
.concept-a .service-list details[data-expanded=false] .plus::after{transform:rotate(90deg);opacity:1}
.concept-a .service-list details[data-expanded=true] .plus::after{transform:rotate(0);opacity:0}
.concept-a .email,.concept-a .contact-phone{width:fit-content}
.concept-a a:focus-visible,.concept-a button:focus-visible,.concept-a summary:focus-visible{outline:2px solid var(--accent-text);outline-offset:4px}
.concept-a h1:focus-visible,.concept-a h2:focus-visible{outline:2px solid var(--accent-text);outline-offset:8px}
html[data-input=keyboard]{scroll-behavior:auto}
html[data-input=keyboard] .concept-a *,html[data-input=keyboard] .concept-a *::before,html[data-input=keyboard] .concept-a *::after{transition:none!important}
@media(hover:hover) and (pointer:fine){
  .concept-a .header-contact:hover,.concept-a .menu-toggle:hover{background:var(--surface);border-color:var(--accent-text)}
  .concept-a .service-list summary:hover{color:var(--accent-text)}
}
@media(hover:none){.concept-a .button:hover{background:var(--accent);color:var(--button)}}
@media(prefers-reduced-motion:reduce){
  .concept-a .button:active,.concept-a .header-contact:active,.concept-a .menu-toggle:active{transform:none}
  .concept-a *, .concept-a *::before,.concept-a *::after{transition:none!important}
}
.concept-a{--space-section:72px;--radius-control:6px}
.concept-a ::selection{background:var(--accent);color:var(--button)}
.concept-a h1,.concept-a h2,.concept-a h3{text-wrap:balance;letter-spacing:-.025em}
.concept-a p{text-wrap:pretty}
.concept-a .header{height:88px;gap:28px}
.concept-a .header nav{gap:24px}
.concept-a .header nav a{display:inline-flex;align-items:center;min-height:44px}
.concept-a .header-contact{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:var(--radius-control);font-size:14px;white-space:nowrap;margin-left:4px}
.concept-a .hero{min-height:0;padding-block:40px 48px;gap:48px;grid-template-columns:1.25fr 1fr}
.concept-a .hero h1{font-size:clamp(40px,4.4vw,64px)}
.concept-a .hero-desc{max-width:52ch;margin:24px 0 28px;font-size:19px}
.concept-a .hero-actions{gap:24px;flex-wrap:wrap}
.concept-a .button{min-height:48px;padding:14px 22px;font-size:15px;border-radius:var(--radius-control)}
.concept-a .text-link{display:inline-flex;align-items:center;min-height:44px;text-decoration:underline;text-underline-offset:5px;text-decoration-color:var(--line);font-size:15px}
.concept-a .text-link:hover{text-decoration-color:currentColor}
.concept-a .audience-links{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:16px;color:var(--muted);font-size:13px}
.concept-a .audience-links a{display:inline-flex;align-items:center;min-height:44px}
.concept-a .brand-composition{padding:24px;min-height:0;gap:16px;display:flex;flex-direction:column;border-radius:12px}
.concept-a .brand-signature{display:flex;align-items:center;gap:20px}
.concept-a .brand-signature img{width:56px;height:56px;flex-shrink:0}
.concept-a .brand-signature p{font-size:17px;line-height:1.4;margin:0;font-weight:500}
.concept-a .hero-proof{border-top:1px solid var(--line);padding-top:16px}
.concept-a .hero-proof h2{font-size:24px;line-height:1.2}
.concept-a .hero-proof p{font-size:15px;color:var(--muted);margin:12px 0 4px;max-width:40ch}
.concept-a .section{padding-block:var(--space-section)}
.concept-a .intro{margin:20px 0 36px;max-width:65ch}
.concept-a .partner-layout{gap:64px}
.concept-a .process{margin-top:32px;gap:20px}
.concept-a .process>div{border-left:0;padding:0}
.concept-a .process h3{line-height:1.3}
.concept-a .service-content{margin-left:calc(50% + 12px);padding-bottom:28px}
.concept-a .service-content p{margin:0 0 20px;color:var(--muted);font-size:16px}
.concept-a .case-grid{gap:32px}
.concept-a .case-art,.concept-a .case-art.second{height:auto;min-height:220px;padding:28px;background:var(--surface);border:0}
.concept-a .case-platform{font-size:28px;line-height:1.2;font-weight:500;color:var(--accent-text);margin:0 0 8px;letter-spacing:-.025em}
.concept-a .case-environment{font-size:14px;color:var(--muted);margin:0}
.concept-a .case-scope{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;padding-top:20px;border-top:1px solid var(--line);width:100%;font-size:16px;line-height:1.4}
.concept-a .case-scope span{max-width:18ch}
.concept-a .case{display:flex;flex-direction:column}
.concept-a .case-body{padding-top:24px;flex:1;display:flex;flex-direction:column}
.concept-a .case-client{font-size:14px;margin:0;color:var(--muted)}
.concept-a .case-body h3{font-size:27px;line-height:1.2;margin:12px 0 24px;min-height:2.4em}
.concept-a .case-description{margin:0;display:grid;gap:20px}
.concept-a .case-description dt{font-size:14px;font-weight:500;margin-bottom:6px}
.concept-a .case-description dd{margin:0;color:var(--muted);font-size:16px;max-width:48ch}
.concept-a .case-contact{margin-top:auto;padding-top:20px;align-self:flex-start;color:var(--accent-text)}
.concept-a .company-heading .intro{margin-bottom:32px;max-width:64ch}
.concept-a .company-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.concept-a .company-facts h3{font-size:20px;line-height:1.3;margin-bottom:12px}
.concept-a .company-facts p{margin:0;color:var(--muted);font-size:16px}
.concept-a .technology-block{border-top:1px solid var(--line);padding-top:32px;margin-top:40px}
.concept-a .technology-block>h3{font-size:23px}
.concept-a .technology-intro{color:var(--muted);margin:12px 0 24px}
.concept-a .stack{margin:0;gap:32px}
.concept-a .stack h4{font-size:14px;line-height:1.4;font-weight:500;margin:0 0 10px}
.concept-a .stack p{font-family:Plex,Arial,sans-serif;font-size:14px;line-height:1.7;margin:0}
.concept-a .contact{gap:64px}
.concept-a .contact h2{font-size:clamp(38px,4vw,56px)}
.concept-a .contact p{max-width:52ch;margin-bottom:24px}
.concept-a .email{min-height:48px;font-size:clamp(28px,3vw,38px)}
.concept-a .contact-link{display:inline-flex;margin-top:20px;color:var(--button)}
.concept-a .contact-phone{display:flex;align-items:center;width:fit-content;min-height:44px;margin-top:12px;font-size:16px;color:var(--muted)}
.concept-a .footer{font-size:13px;gap:24px;align-items:center}
.concept-a .footer a{min-height:44px;display:inline-flex;align-items:center}
@media(max-width:1100px){
.concept-a .wrap{width:calc(100% - 64px)}
.concept-a .header{gap:20px}.concept-a .header nav{gap:16px}
.concept-a .hero{gap:32px;grid-template-columns:1.2fr 1fr}
.concept-a .hero h1{font-size:46px}.concept-a .hero-desc{font-size:18px}
.concept-a .brand-composition{padding:24px}.concept-a .brand-signature{gap:16px}
.concept-a .brand-signature img{width:48px;height:48px}
.concept-a .hero-proof h2{font-size:22px}
.concept-a .partner-layout,.concept-a .contact{gap:40px}
}
@media(max-width:767px){
.concept-a{--space-section:48px}
.concept-a .wrap{width:calc(100% - 40px)}
.concept-a .header{height:80px;gap:12px}
.concept-a .logo{width:76px}
.concept-a .menu-toggle{min-height:44px;min-width:68px;padding:8px 4px}
.concept-a .header-contact{font-size:13px;padding:0 10px;margin:0}
.concept-a .header nav{top:79px;padding:16px 20px;gap:4px}
.concept-a .hero{grid-template-columns:1fr;gap:28px;padding-block:36px 44px}
.concept-a .hero h1{font-size:clamp(33px,9.3vw,50px)}
.concept-a .hero-desc{font-size:17px;margin:20px 0 24px}
.concept-a .hero-actions{gap:8px 20px}
.concept-a .button{font-size:14px;padding:13px 18px}
.concept-a .text-link{font-size:14px}
.concept-a .audience-links{margin-top:8px;gap:0 20px;font-size:12px}
.concept-a .brand-composition{padding:20px;gap:16px;align-items:stretch}
.concept-a .brand-signature img{width:48px;height:48px}
.concept-a .brand-signature p{font-size:15px}
.concept-a .hero-proof{padding-top:16px}
.concept-a .hero-proof h2{font-size:22px}
.concept-a .hero-proof h2 br{display:none}
.concept-a .hero-proof p{font-size:14px;max-width:none;margin:12px 0 4px}
.concept-a .partner-layout{gap:24px}
.concept-a .intro{font-size:16px;margin:18px 0 28px}
.concept-a .service-content{margin-left:0}
.concept-a .case-grid{gap:36px}
.concept-a .case-art,.concept-a .case-art.second{min-height:0;padding:24px}
.concept-a .case-platform{font-size:25px}
.concept-a .case-scope{font-size:14px;gap:16px;margin-top:24px;padding-top:18px}
.concept-a .case-body h3{font-size:25px;min-height:0;margin:12px 0 20px}
.concept-a .case-description{gap:16px}
.concept-a .company-facts{grid-template-columns:1fr;gap:24px}
.concept-a .company-facts h3{font-size:20px;margin-bottom:8px}
.concept-a .technology-block{margin-top:28px;padding-top:28px}
.concept-a .stack{gap:20px}
.concept-a .contact{gap:24px}
.concept-a .contact h2{font-size:40px}
.concept-a .footer{align-items:flex-start;font-size:12px;gap:8px}
}

/* Image slots: labels describe the intended asset resolution, not rendered CSS pixels. */
.concept-a .hero{position:relative;isolation:isolate}
.concept-a .hero-particles{position:absolute;top:0;bottom:0;left:0;width:100%;overflow:hidden;pointer-events:none;z-index:-1}
.concept-a .hero-network-canvas{display:block;width:100%;height:100%;pointer-events:none}
.concept-a .hero-cursor-blur{position:absolute;left:0;top:0;width:140px;height:140px;border-radius:50%;pointer-events:none;opacity:0;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);mask-image:radial-gradient(circle,#000 35%,transparent 70%);-webkit-mask-image:radial-gradient(circle,#000 35%,transparent 70%);transition:opacity 160ms var(--ease-ui)}
@media(prefers-reduced-motion:reduce){.concept-a .hero-cursor-blur{display:none}}
.concept-a .image-placeholder{box-sizing:border-box;position:relative;width:100%;aspect-ratio:var(--image-ratio);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:20px;text-align:center;background:color-mix(in srgb,var(--accent) 9%,var(--bg));border:1px dashed var(--accent-text);border-radius:6px;color:var(--text)}
.concept-a .placeholder-label{font-size:11px;line-height:1.4;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.concept-a .image-placeholder strong{font-size:18px;line-height:1.3;font-weight:500;letter-spacing:-.015em}
.concept-a .placeholder-size{font-family:PlexMono,monospace;font-size:12px;line-height:1.5;color:var(--accent-text)}
.concept-a .case-image{margin-bottom:24px;flex-shrink:0}
.concept-a .contact-image{grid-column:1 / -1}
@media(max-width:767px){
.concept-a .image-placeholder{padding:16px;gap:8px}
.concept-a .image-placeholder strong{font-size:16px}
.concept-a .contact-image strong{font-size:14px}
.concept-a .contact-image .placeholder-label{display:none}
.concept-a .placeholder-size{font-size:11px}
}

/* The hero illustration is a compact panoramic slot; content keeps intrinsic height. */
.concept-a .hero-image{min-height:110px;padding:16px;gap:6px;flex-shrink:0}
@media(min-width:768px) and (max-height:800px){
.concept-a .hero{padding-block:32px 36px;gap:32px}
.concept-a .brand-composition{padding:20px;gap:14px}
.concept-a .brand-signature img{width:48px;height:48px}
.concept-a .brand-signature p{font-size:15px}
.concept-a .hero-proof h2{font-size:22px}
.concept-a .hero-proof p{line-height:1.45}
.concept-a .hero-desc{margin:20px 0 24px;font-size:18px}
.concept-a .audience-links{margin-top:8px}
}

/* Full-width section surfaces establish rhythm without altering the content grid. */
.concept-a .section-band{background:var(--bg);color:var(--text);border-top:1px solid var(--line)}
.concept-a .section-band>.section{border-top:0}
.concept-a .band-partners{--bg:#fff}
.concept-a .band-services{--bg:#f3f5f8;--surface:#fff}
.concept-a .band-cases{--bg:#fff;--surface:#edf1f8}
.concept-a .band-company{--bg:#f3f5f8}
.concept-a[data-theme=dark] .band-partners{--bg:#111e32}
.concept-a[data-theme=dark] .band-services,.concept-a[data-theme=dark] .band-company{--bg:#1b2b43;--surface:#223650}
.concept-a[data-theme=dark] .band-cases{--bg:#111e32;--surface:#1b2b43}
.concept-a .band-contact{--bg:#14233b;--surface:#203552;--text:#f0f4fb;--muted:#c2cde1;--line:#4d617c;--accent-text:#aac2ff;--accent:#eaf1ff;--button:#14233b}
.concept-a[data-theme=dark] .band-contact{--bg:#0b1628;--surface:#172740}
.concept-a .band-contact .button:hover{background:#d6e3ff;color:var(--button)}
.concept-a .band-contact .button:active{background:#c3d5f8}
.concept-a .band-contact a:not(.button):hover{color:#fff}
.concept-a .band-contact ::selection{background:#aac2ff;color:#14233b}

/* A consistent geometric icon language and restrained editorial details. */
.concept-a{--bg:#f5f6f8}
.concept-a[data-theme=dark]{--bg:#162338}
.concept-a .hero-band{background:var(--bg)}
.concept-a .icon-definitions{position:absolute;overflow:hidden;pointer-events:none}
.concept-a .ui-icon{flex-shrink:0;display:inline-block;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}
.concept-a .theme-toggle{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 12px;background:transparent;color:var(--muted);border:1px solid var(--line);border-radius:6px;font-size:12px;white-space:nowrap}
.concept-a .theme-toggle .ui-icon{width:18px;height:18px}
.concept-a .header{gap:20px}
.concept-a .header-contact{gap:8px}
.concept-a .text-link{gap:10px}
.concept-a .text-link .ui-icon,.concept-a .button .ui-icon{width:18px;height:18px}
.concept-a .hero{row-gap:24px}
.concept-a .hero-scroll{grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:12px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
.concept-a .hero-scroll a{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;color:var(--accent-text)}
.concept-a .brand-composition{border:1px solid var(--line);background:var(--surface)}
.concept-a .process>div{display:grid;grid-template-columns:28px 1fr;column-gap:16px;border-top:1px solid var(--line);padding-top:20px}
.concept-a .process-icon{grid-row:1 / 3;color:var(--accent-text)}
.concept-a .process h3,.concept-a .process p{grid-column:2}
.concept-a .fact-heading{display:flex;align-items:flex-start;gap:14px}
.concept-a .fact-heading .ui-icon{color:var(--accent-text);width:28px;height:28px}
.concept-a .company-facts p{padding-left:42px}
.concept-a .case-platform{display:flex;align-items:center;gap:12px}
.concept-a .case-platform .ui-icon{width:30px;height:30px}
.concept-a .case-scope span{display:flex;align-items:flex-start;gap:10px}
.concept-a .case-scope .ui-icon{width:20px;height:20px;color:var(--accent-text);margin-top:2px}
.concept-a .technology-block{padding:28px;border:1px solid var(--line);background:var(--surface);border-radius:12px}
@media(hover:hover) and (pointer:fine){.concept-a .theme-toggle:hover{color:var(--accent-text);border-color:var(--accent-text)}}
@media(max-width:1100px){.concept-a .header{gap:14px}.concept-a .theme-label{display:none}.concept-a .theme-toggle{width:44px;padding:0}}
@media(max-width:767px){
.concept-a .header{gap:8px}.concept-a .header-contact{padding:0 8px}.concept-a .menu-toggle{min-width:60px}
.concept-a .service-title{gap:12px}.concept-a .hero-scroll{font-size:11px;gap:8px}
.concept-a .technology-block{padding:20px}
.concept-a .case-scope{grid-template-columns:1fr}
}

/* Services are independent, bounded offers; optional imagery remains a disclosure. */
.concept-a .service-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;border-top:0;align-items:start}
.concept-a .service-card{min-width:0;padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:6px;display:flex;flex-direction:column}
.concept-a .service-card>.ui-icon{width:44px;height:44px;color:var(--accent-text);margin:0 0 28px;align-self:flex-end}
.concept-a .service-card h3{font-size:24px;line-height:1.2;min-height:2.4em;margin-bottom:16px}
.concept-a .service-card>p{font-size:16px;color:var(--muted);margin:0 0 24px;min-height:7.75em}
.concept-a .service-contact{color:var(--accent-text);margin-top:auto;align-self:flex-start}
.concept-a .service-card details{border-bottom:0;border-top:1px solid var(--line);margin-top:20px}
.concept-a .service-card summary{display:flex;justify-content:space-between;gap:12px;font-size:13px;letter-spacing:0;padding:16px 0;min-height:48px;color:var(--muted)}
.concept-a .service-card .service-content{margin:0;padding:0 0 4px}
.concept-a .service-card .image-placeholder{padding:12px;gap:6px}
.concept-a .service-card .image-placeholder strong{font-size:15px}
.concept-a .service-card .placeholder-size{font-size:10px}
@media(max-width:1100px){
.concept-a .service-list{gap:16px}.concept-a .service-card{padding:22px}
.concept-a .service-card h3{font-size:21px}.concept-a .service-card>p{font-size:15px;min-height:9.3em}
}
@media(max-width:900px){
.concept-a .service-list{grid-template-columns:1fr}
.concept-a .service-card{padding:24px}
.concept-a .service-card>.ui-icon{margin-bottom:16px}
.concept-a .service-card h3{min-height:0;font-size:24px}
.concept-a .service-card>p{min-height:0;max-width:60ch}
}

.concept-a .case{border:1px solid var(--line);border-radius:6px;overflow:hidden;background:var(--bg)}
.concept-a .case-art,.concept-a .case-art.second{border-radius:0;border-bottom:1px solid var(--line)}
.concept-a .case-body{padding:24px}