.landing-shell{position:relative;min-height:100vh;display:grid;grid-template-columns:220px minmax(0,1fr)}.landing-atmosphere{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none;background:radial-gradient(circle at 20% 18%,rgba(92,197,255,.18),transparent 26%),radial-gradient(circle at 78% 82%,rgba(145,234,201,.14),transparent 24%),linear-gradient(135deg,#071019 0,#0b1620 42%,#050b11 100%)}.landing-aurora,.landing-beam{position:absolute;filter:blur(32px);opacity:.7}.landing-aurora-a{top:-10%;right:-8%;width:min(38rem,50vw);height:min(38rem,50vw);background:radial-gradient(circle,rgba(111,206,255,.3),transparent 68%);animation:16s ease-in-out infinite driftA}.landing-aurora-b{bottom:-14%;left:-10%;width:min(34rem,46vw);height:min(34rem,46vw);background:radial-gradient(circle,rgba(116,255,206,.2),transparent 68%);animation:20s ease-in-out infinite driftB}.landing-beam{inset:-20% 22% auto;height:70vh;background:linear-gradient(180deg,rgba(120,210,255,.12),transparent 70%);transform:rotate(10deg);animation:14s ease-in-out infinite beamShift}.landing-gridlines{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:72px 72px;mask-image:radial-gradient(circle at center,black 24%,transparent 85%);opacity:.32}.landing-sidebar{position:relative;display:flex;flex-direction:column;justify-content:space-between;gap:24px;min-height:100vh;padding:28px 22px;border-right:1px solid rgba(255,255,255,.08);background:rgba(6,12,18,.44);backdrop-filter:blur(16px)}.landing-brand{display:inline-flex;align-items:center;gap:12px;font-family:Sora,"Segoe UI",sans-serif;font-size:1.1rem;font-weight:700;letter-spacing:.04em}.landing-brand img{width:34px;height:34px;border-radius:10px}.landing-nav,.landing-sidebar-tools{display:flex;flex-direction:column;gap:8px}.landing-nav-link{display:inline-flex;align-items:center;min-height:40px;color:rgba(230,240,248,.7);font-size:.95rem;letter-spacing:.04em;transition:color 180ms,transform 180ms}.landing-nav-link.active,.landing-nav-link:hover{color:#fff;transform:translateX(4px)}.landing-sidebar-meta{display:flex;flex-direction:column;gap:4px;color:rgba(206,222,235,.68);font-size:.86rem;letter-spacing:.08em;text-transform:uppercase}.landing-stage{position:relative;min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:48px}.landing-center{width:min(100%,860px);text-align:center}.landing-kicker{margin:0 0 18px;color:rgba(182,215,235,.78);font-size:.86rem;letter-spacing:.42em;text-transform:uppercase}.landing-center h1{margin:0;font-family:Sora,"Segoe UI",sans-serif;font-size:clamp(4.2rem, 12vw, 9.5rem);font-weight:800;letter-spacing:-.08em;line-height:.92;color:#f7fbff;text-shadow:0 0 28px rgba(109,203,255,.15)}.landing-subtitle{margin:18px auto 0;max-width:34rem;color:rgba(220,231,238,.82);font-size:clamp(1rem, 2vw, 1.16rem);line-height:1.7}.landing-inline-links{margin-top:30px;display:inline-flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px;color:rgba(214,228,238,.86);font-size:.96rem;letter-spacing:.08em;text-transform:uppercase}.landing-inline-links a{transition:color 180ms}.landing-inline-links a:hover{color:#fff}.landing-inline-links span{width:36px;height:1px;background:rgba(255,255,255,.22)}@keyframes driftA{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(-40px,28px,0) scale(1.08)}}@keyframes driftB{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(36px,-30px,0) scale(1.06)}}@keyframes beamShift{0%,100%{transform:rotate(10deg) translateY(0);opacity:.58}50%{transform:rotate(14deg) translateY(20px);opacity:.82}}@media (max-width:900px){.landing-shell{grid-template-columns:1fr;grid-template-rows:auto 1fr}.landing-sidebar{min-height:auto;padding:18px 18px 12px;border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}.landing-nav,.landing-sidebar-tools{flex-direction:row;flex-wrap:wrap;gap:12px 18px}.landing-sidebar-meta{flex-direction:row;flex-wrap:wrap;gap:8px 18px}.landing-stage{min-height:calc(100dvh - 180px);padding:40px 24px}}@media (max-width:640px){.landing-sidebar{gap:18px;padding:16px 14px 12px}.landing-brand{font-size:1rem}.landing-nav,.landing-sidebar-tools{gap:8px 14px}.landing-nav-link{width:100%;min-height:32px;font-size:.88rem}.landing-stage{min-height:calc(100dvh - 210px);padding:32px 18px}.landing-kicker{letter-spacing:.26em}.landing-subtitle{max-width:22rem}.landing-inline-links{gap:10px 12px;font-size:.84rem}.landing-inline-links span{width:18px}}