:root{
  --navy:#06111f;
  --navy-2:#0b2035;
  --blue:#168ce8;
  --sky:#48b8ff;
  --ink:#14263a;
  --muted:#5e7288;
  --line:#d9e2eb;
  --paper:#ffffff;
  --paper-2:#f3f7fa;
  --max:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--navy)}
body{margin:0;color:var(--ink);background:var(--paper);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.58;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{line-height:1.08;letter-spacing:-.025em}
.skip-link{position:fixed;left:12px;top:-80px;z-index:1000;padding:10px 14px;color:#fff;background:#000}.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;min-height:82px;padding:0 max(22px,calc((100vw - var(--max))/2));color:#e9f7ff;background:rgba(5,16,29,.93);border-bottom:1px solid rgba(127,202,249,.15);backdrop-filter:blur(12px)}
.brand{display:flex;align-items:center;gap:13px}.brand svg{width:43px;fill:none;stroke:#5cc2ff;stroke-width:2}.brand strong,.brand small{display:block}.brand strong{font-size:.95rem;letter-spacing:.08em;text-transform:uppercase}.brand small{color:#88a7ba;font-size:.66rem;letter-spacing:.16em;text-transform:uppercase}
.site-header nav{display:flex;align-items:center;gap:30px}.site-header nav a{color:#c5d8e4;font-size:.78rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase}.site-header nav a:hover,.site-header nav a.active{color:#62c3ff}.site-header nav .nav-contact{padding:10px 16px;border:1px solid rgba(93,194,255,.45);border-radius:999px}
.image-window{
  position:relative;
  min-height:570px;
  display:grid;
  align-items:center;
  color:#fff;
  overflow:hidden;
  isolation:isolate;
  background-color:#06111f;
  background-position:center center;
  background-repeat:no-repeat;
  background-size:cover;
  background-attachment:fixed;
}
.window-operion{min-height:660px;background-image:url("../images/band-operion.jpg")}
.window-consulting{background-image:url("../images/band-consulting.jpg")}
.window-about{background-image:url("../images/band-about.jpg")}
.window-contact{background-image:url("../images/band-contact.jpg")}
.window-tint{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(2,9,18,.82),rgba(2,9,18,.34) 62%,rgba(2,9,18,.2));pointer-events:none}
.window-copy{position:relative;z-index:1;width:min(var(--max),calc(100% - 48px));margin:auto;max-width:760px;margin-left:max(24px,calc((100vw - var(--max))/2));padding:80px 0;text-shadow:0 2px 14px rgba(0,0,0,.55)}
.window-copy.align-right{margin-left:auto;margin-right:max(24px,calc((100vw - var(--max))/2));text-align:right}
.window-copy.centered{max-width:880px;margin-inline:auto;text-align:center}
.window-copy h1{font-size:clamp(3rem,6.2vw,6.4rem);margin-bottom:24px}.window-copy h2{font-size:clamp(2.65rem,5.2vw,5.1rem);margin-bottom:24px}.window-copy>p:not(.eyebrow){max-width:720px;color:#d8eaf4;font-size:clamp(1.05rem,1.6vw,1.34rem)}.align-right>p:not(.eyebrow){margin-left:auto}.centered>p:not(.eyebrow){margin-inline:auto}
.eyebrow{margin-bottom:18px;color:#65c6ff;font-size:.72rem;font-weight:800;letter-spacing:.2em;text-transform:uppercase}.eyebrow.dark{color:#147fc7}
.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;margin-top:18px;padding:14px 22px;border-radius:4px;font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.button.light{color:#05203a;background:#fff;box-shadow:0 12px 32px rgba(0,0,0,.22)}.button.light:hover{background:#dff4ff}.dark-button{color:#fff;background:#0c6fc0}.dark-button:hover{background:#095d9f}
.content-block{padding:100px max(24px,calc((100vw - var(--max))/2));background:var(--paper)}
.content-block:nth-of-type(4n){background:var(--paper-2)}
.section-intro{max-width:780px;margin-bottom:60px}.section-intro.compact{margin-bottom:42px}.section-intro h2,.about-copy h2,.closing h2{font-size:clamp(2.25rem,4vw,4.25rem);margin-bottom:22px}.section-intro>p:last-child,.about-copy>p:last-child{color:var(--muted);font-size:1.08rem}
.operion-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);gap:60px;align-items:start}.dashboard-card{overflow:hidden;border:1px solid #b8c8d8;border-radius:10px;background:#07182a;box-shadow:0 28px 70px rgba(16,42,67,.2)}.screen-bar{display:flex;align-items:center;gap:7px;min-height:38px;padding:0 12px;color:#8ba2b8;background:#06182b;font-size:.63rem;letter-spacing:.13em}.screen-bar span{width:8px;height:8px;border-radius:50%;background:#47627a}.screen-bar b{margin-left:auto}.dashboard-card img{width:100%;height:auto}.feature-list{border-top:1px solid var(--line)}.feature-list article{display:grid;grid-template-columns:46px 1fr;gap:16px;padding:21px 0;border-bottom:1px solid var(--line)}.feature-list>article>span,.service-grid>article>span{color:#168ce8;font-size:.68rem;font-weight:800;letter-spacing:.15em}.feature-list h3{margin-bottom:7px;font-size:1.16rem}.feature-list p{margin-bottom:0;color:var(--muted);font-size:.9rem}
.service-grid{display:grid;grid-template-columns:repeat(2,1fr);border-left:1px solid var(--line);border-top:1px solid var(--line)}.service-grid article{min-height:270px;padding:32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.service-grid h3{margin:48px 0 14px;font-size:1.45rem}.service-grid p{margin:0;color:var(--muted)}
.about-details{display:grid;grid-template-columns:minmax(320px,.9fr) minmax(520px,1.1fr);gap:90px;align-items:start}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.principles article{min-height:220px;padding:28px 22px;border-top:4px solid #168ce8;background:var(--paper-2)}.principles strong{font-size:1.45rem}.principles p{margin:18px 0 0;color:var(--muted);font-size:.9rem}
.closing{display:flex;align-items:center;justify-content:space-between;gap:40px;min-height:320px}.closing h2{margin-bottom:0}.closing .button{flex:none}
footer{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:120px;padding:24px max(24px,calc((100vw - var(--max))/2));color:#7790a4;background:#04101d;font-size:.75rem;letter-spacing:.06em}
@media(max-width:980px){.operion-layout,.about-details{grid-template-columns:1fr}.principles{grid-template-columns:1fr}.window-copy.align-right{text-align:left;margin-left:max(24px,calc((100vw - var(--max))/2));margin-right:auto}.align-right>p:not(.eyebrow){margin-left:0}.closing{align-items:flex-start;flex-direction:column}.service-grid{grid-template-columns:1fr}}
@media(max-width:760px){.site-header{position:relative;min-height:0;padding:14px 17px;flex-wrap:wrap;gap:12px}.site-header nav{width:100%;justify-content:space-between;gap:10px;flex-wrap:wrap}.site-header nav a{font-size:.68rem}.site-header nav .nav-contact{padding:7px 11px}.image-window{min-height:540px}.window-operion{min-height:620px}.window-copy{width:calc(100% - 34px);margin-inline:17px;padding:72px 0}.window-copy.align-right{margin-inline:17px}.window-copy h1{font-size:clamp(2.7rem,13vw,4.5rem)}.window-copy h2{font-size:clamp(2.45rem,11vw,4rem)}.content-block{padding:76px 20px}.operion-layout{gap:38px}.about-details{gap:44px}.service-grid article{min-height:220px}.closing{min-height:280px}footer{flex-direction:column;justify-content:center;text-align:center}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}