/* Reusable, cross-site primitives: nav, cards, buttons, footer, forms */
.site-header{position:relative;z-index:50;border-bottom:1px solid rgba(219,239,255,.12);background:rgba(4,15,30,.83);backdrop-filter:blur(22px)}.site-header--home{background:rgba(4,15,30,.40)}.header-inner{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:24px}.main-nav{display:flex;align-items:center;gap:clamp(11px,1.65vw,28px)}.main-nav a{position:relative;font-size:.83rem;color:#c3d0e0;font-weight:650;white-space:nowrap;padding:9px 0}.main-nav a:hover,.main-nav a[aria-current="page"]{color:#fff}.main-nav a[aria-current="page"]:after{content:"";position:absolute;left:0;right:0;bottom:-5px;height:2px;background:var(--accent);border-radius:8px}.lang-switch{display:flex;align-items:center;gap:4px}.lang-switch button{border:1px solid rgba(216,232,249,.28);color:#dfebfa;background:transparent;padding:6px 8px;border-radius:99px;font-size:.7rem;font-weight:800}.lang-switch button[aria-pressed="true"]{background:var(--accent);color:#0b1728;border-color:var(--accent)}.menu-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:13px;border:1px solid var(--line);color:#fff;background:transparent}.menu-toggle svg{width:23px}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.feature-card{padding:26px;min-height:195px;border:1px solid #dce5ee;background:#fff;border-radius:19px;color:#14263a;box-shadow:0 17px 40px rgba(17,52,89,.055);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}.feature-card:hover{transform:translateY(-6px);box-shadow:0 25px 45px #1837541c}.feature-card__num{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:12px;background:#e8f3ff;color:#144873;font-weight:850;font-size:.78rem}.feature-card h3{margin:20px 0 9px;font-size:1.06rem;letter-spacing:-.02em}.feature-card p{margin:0;color:#596b80;line-height:1.66;font-size:.87rem}.content-section{padding:clamp(70px,8vw,115px) 0;background:var(--paper);color:#13273c}.content-section--dark{background:#0b1c31;color:#eff6fc}.content-section--dark .section-text{color:#b4c5d8}.split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:clamp(30px,6vw,105px)}.split__img{border-radius:var(--radius);width:100%;min-height:300px;max-height:530px;aspect-ratio:1.3;box-shadow:var(--shadow)}.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.step{background:rgba(247,250,253,.055);border:1px solid var(--line);padding:23px 17px;border-radius:15px}.step b{color:var(--cyan);font-size:.8rem}.step h3{font-size:.94rem;margin:14px 0 7px}.step p{font-size:.79rem;line-height:1.6;color:#b8cbe1;margin:0}.form-field{display:grid;gap:8px;margin-block:12px}.form-field span{font-size:.83rem;font-weight:750}.form-field input,.form-field textarea{width:100%;border:1px solid #c5d3e1;border-radius:12px;padding:13px;background:#fff;color:#12263a;min-height:46px}.form-field textarea{min-height:150px;resize:vertical}.demo-note{background:#f5f8fc;border:1px solid #d8e5ef;padding:14px 17px;border-radius:12px;color:#455c75;font-size:.84rem;line-height:1.55}.breadcrumb{color:#bdd0e1;font-size:.8rem;margin:0 0 28px}.breadcrumb a{text-decoration:underline;text-underline-offset:4px}.pill-list{display:flex;flex-wrap:wrap;gap:9px;margin-block:27px}
/* Persistent experience selector, shared in all pages and in the homepage hero. */
.mode-switch{display:inline-flex;align-items:center;gap:2px;padding:3px;border-radius:999px;white-space:nowrap}
.mode-switch button{min-height:31px;border:0;border-radius:999px;background:transparent;font-size:.72rem;font-weight:750;padding:6px 12px;cursor:pointer}
.mode-switch button:focus-visible{outline:2px solid #29bcf7;outline-offset:2px}
.home-mode-choice{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}
@media(max-width:1200px){.mode-switch--header button{font-size:.65rem;padding:6px 8px}}
@media(max-width:690px){.mode-switch--header button{font-size:.62rem;padding:6px 7px}.header-inner{gap:7px}.header-right{gap:5px}}
@media(max-width:420px){.mode-switch--header button{font-size:.57rem;padding:6px 5px}.lang-switch{gap:1px}.lang-switch button{font-size:.58rem;padding:6px 5px}}

/* Compact responsive header without hiding the mode switch on internal pages. */
@media(max-width:1280px){
 .menu-toggle{display:inline-flex}
 .main-nav{position:absolute;top:calc(100% + 1px);left:0;right:0;display:none;padding:15px var(--space) 25px;background:#081e33;box-shadow:0 20px 45px #0005;flex-direction:column;align-items:stretch;gap:0}
 .site-header[data-menu-open="true"] .main-nav{display:flex}
 .main-nav a{font-size:.94rem;padding:13px 8px;border-bottom:1px solid var(--line)}
 .main-nav a[aria-current="page"]:after{display:none}
 .header-right{display:flex;align-items:center;gap:10px}
}
@media(max-width:690px){
 .header-inner{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;gap:4px 12px;padding-block:8px;min-height:0}
 .header-inner>a:first-child{grid-row:1;grid-column:1;align-self:center}
 .header-inner>.main-nav{grid-row:3;grid-column:1/-1}
 .header-right{display:contents}
 .lang-switch{grid-row:1;grid-column:2;justify-self:end}
 .mode-switch--header{grid-row:2;grid-column:1;justify-self:start}
 .menu-toggle{grid-row:2;grid-column:2;justify-self:end;width:39px;height:35px}
}