/* Homepage header/footer dimensions, colors and mobile menu, scoped to the guide shell. */
:root{--border:rgba(255,255,255,.08);--muted:#8c8fa1;--accent:#fcb040;--accent2:#ffe066}
header,footer{line-height:1.45}header *,footer *{margin:0;padding:0}footer{max-width:none;margin:0;display:block}header nav a{text-underline-offset:initial}
html{scroll-padding-top:90px}main{padding-top:66px}.skip{z-index:201}
.container{max-width:1200px;margin:0 auto;padding:0 28px;position:relative;z-index:1}
header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(10,10,15,.82);backdrop-filter:blur(18px) saturate(1.35);border-bottom:1px solid var(--border)}
.header-inner{display:flex;justify-content:space-between;align-items:center;height:66px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.logo-icon{font-size:1.6rem;line-height:1}
.logo-text{font-family:Oswald,sans-serif;font-size:1.6rem;font-weight:700;letter-spacing:.04em;background:linear-gradient(135deg,#fff 30%,var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
header nav{display:flex;gap:4px;align-items:center}
header nav a{padding:9px 15px;border-radius:8px;text-decoration:none;font-weight:500;font-size:.88rem;transition:all .2s;letter-spacing:.01em}
.nav-link{color:var(--muted)}.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-cta{background:var(--accent);color:#000;font-weight:600}.nav-cta:hover{background:var(--accent2);transform:translateY(-1px);box-shadow:0 8px 24px rgba(252,176,64,.25)}
.user-menu-wrap{position:relative;display:flex;align-items:center}.user-menu-btn{cursor:pointer;transition:opacity .2s}.user-menu-btn:hover{opacity:.85}
.user-dropdown{display:none;position:absolute;top:calc(100% + 8px);right:0;background:rgba(16,16,24,.98);border:1px solid rgba(255,255,255,.1);border-radius:10px;min-width:200px;padding:4px;z-index:200;box-shadow:0 16px 48px rgba(0,0,0,.7)}.user-dropdown.show{display:block}
.user-dropdown a,.user-dropdown button{display:flex;align-items:center;gap:10px;width:100%;padding:10px 14px;border:none;border-radius:6px;background:none;color:#cbd5e1;font-family:'DM Sans',sans-serif;font-size:.88rem;text-decoration:none;cursor:pointer;transition:background .15s}
.user-dropdown a:hover,.user-dropdown button:hover{background:rgba(255,255,255,.06)}.user-dropdown .ud-divider{height:1px;background:rgba(255,255,255,.06);margin:4px 0}
.hamburger{display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:none;border:none;cursor:pointer;padding:8px;min-width:44px;min-height:44px;z-index:101}
.hamburger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:all .3s}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
#login-modal{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:200;align-items:center;justify-content:center;backdrop-filter:blur(4px);padding:16px;overflow-y:auto}
.login-card{background:#111118;border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:28px 24px;width:100%;max-width:420px;margin:0;max-height:calc(100vh - 32px);overflow-y:auto}
.login-card button,.login-card input{min-height:44px}
.login-card .ltab{line-height:1.1}
@media(max-width:420px){.login-card{padding:22px 14px;border-radius:14px}.login-card .ltab{font-size:.74rem;padding:8px 4px}}

@media(max-width:1024px){.hamburger{display:flex}header nav{position:fixed;top:0;right:-100%;width:70%;max-width:280px;height:100vh;background:rgba(10,10,15,.98);flex-direction:column;padding:80px 20px 20px;gap:4px;transition:right .3s ease;z-index:100;border-left:1px solid var(--border)}header nav.active{right:0}header nav a{width:100%;text-align:center;min-height:44px;display:flex;align-items:center;justify-content:center}.nav-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:99}.nav-overlay.active{display:block}}
@media(max-width:600px){.container{padding:0 16px}}
@media(prefers-reduced-motion:reduce){header nav{transition:none}}