.container{width:var(--container);margin-inline:auto}
.container-narrow{width:var(--container-narrow);margin-inline:auto}
.section{position:relative;padding:var(--section-space) 0}
.section-sm{padding:clamp(2.75rem,5vw,4rem) 0}
.section-alt{background:var(--color-surface-soft)}
.section-dark{overflow:hidden;background:var(--gradient-dark);color:var(--color-text-on-dark)}
.section-dark::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(to bottom,black,transparent 82%)}
.section-heading{position:relative;z-index:1;display:flex;align-items:end;justify-content:space-between;gap:2.5rem;margin-bottom:clamp(2rem,4vw,3.5rem)}
.section-heading>div{max-width:760px}
.section-heading h2{max-width:18ch}
.grid{display:grid;gap:1.25rem}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.content-layout{display:grid;grid-template-columns:minmax(0,820px) minmax(280px,320px);justify-content:space-between;gap:clamp(2.5rem,5vw,4.5rem)}
.content-main{min-width:0}
.split-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr);align-items:center;gap:clamp(2.5rem,7vw,6rem)}
.stack{display:grid;gap:1rem}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem}

.site-header{position:sticky;top:0;z-index:var(--z-header);height:var(--header-height);background:rgba(6,16,29,.72);border-bottom:1px solid transparent;backdrop-filter:blur(16px);transition:background var(--transition-base),border-color var(--transition-base),box-shadow var(--transition-base)}
.site-header.scrolled{background:rgba(6,16,29,.96);border-color:var(--color-border-dark);box-shadow:0 12px 35px rgba(0,8,20,.2)}
.header-inner{height:100%;display:flex;align-items:center;gap:1.35rem}
.brand{display:flex;align-items:center;flex:0 0 auto;padding:.55rem .7rem;border-radius:var(--radius-sm);background:#fff;text-decoration:none;box-shadow:0 5px 18px rgba(0,0,0,.1)}
.brand img{width:clamp(152px,14vw,195px);height:auto}
.site-nav{margin-left:auto}
.nav-panel-head,.nav-panel-contact{display:none}
.nav-list{display:flex;align-items:center;gap:.15rem;list-style:none;padding:0;margin:0}
.nav-link,.dropdown-toggle{display:flex;align-items:center;justify-content:center;gap:.32rem;min-height:44px;padding:.55rem .62rem;border:0;background:none;color:#d8e3ef;text-decoration:none;border-radius:var(--radius-sm);font-family:var(--font-heading);font-size:.86rem;font-weight:700;letter-spacing:-.01em;transition:color var(--transition-fast),background var(--transition-fast)}
.nav-link:hover,.dropdown-toggle:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link[aria-current=page]{color:#fff;background:rgba(38,120,243,.18);box-shadow:inset 0 -2px var(--color-security)}
.nav-dropdown{position:relative}
.dropdown-menu{position:absolute;top:calc(100% + .75rem);left:50%;min-width:255px;margin:0;padding:.6rem;list-style:none;background:rgba(255,255,255,.98);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);transform:translateX(-50%);animation:dropdown-in var(--transition-base) both}
.dropdown-menu::before{content:"";position:absolute;top:-6px;left:50%;width:12px;height:12px;background:#fff;border-left:1px solid var(--color-border);border-top:1px solid var(--color-border);transform:translateX(-50%) rotate(45deg)}
.dropdown-menu a{position:relative;display:block;padding:.75rem .85rem;color:var(--color-text);text-decoration:none;border-radius:var(--radius-sm);font-size:var(--text-sm);font-weight:650}
.dropdown-menu a:hover,.dropdown-menu a:focus{background:var(--color-brand-soft);color:var(--color-brand-deep)}
.header-actions{display:flex;align-items:center;gap:.55rem}
.header-actions .menu-toggle{display:none}

.site-footer{position:relative;overflow:hidden;background:#050e1a;color:var(--color-text-secondary);padding-top:0}
.site-footer::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 18% 0,rgba(38,120,243,.15),transparent 30%),radial-gradient(circle at 84% 20%,rgba(38,197,138,.08),transparent 28%);pointer-events:none}
.footer-cta{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;align-items:center;gap:2rem;padding:clamp(2rem,5vw,3.25rem);margin-bottom:4.5rem;border:1px solid var(--color-border-dark);border-radius:var(--radius-xl);background:linear-gradient(135deg,rgba(38,120,243,.18),rgba(38,197,138,.07));box-shadow:inset 0 1px rgba(255,255,255,.08)}
.footer-cta h2{max-width:17ch;font-size:clamp(1.7rem,3vw,2.65rem);color:#fff}
.footer-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.55fr repeat(4,1fr);gap:clamp(1.5rem,3vw,3rem);padding-bottom:3.5rem}
.footer-brand .brand{width:max-content;margin-bottom:1.25rem}
.footer-brand p{max-width:38ch}
.footer-title{margin-bottom:1rem;color:#fff;font-family:var(--font-heading);font-size:var(--text-xs);font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin:.55rem 0}
.footer-links a{color:var(--color-text-secondary);text-decoration:none;transition:color var(--transition-fast)}
.footer-links a:hover{color:#fff}
.footer-contact-link{display:flex;align-items:flex-start;gap:.55rem}
.footer-bottom{position:relative;z-index:1;display:flex;justify-content:space-between;gap:1rem;padding:1.35rem 0;border-top:1px solid var(--color-border-dark);font-size:var(--text-xs)}