/* Down South Performance — shared design tokens & chrome (header, footer, buttons).
   Tokens mirror the home page so /book and /admin feel like the same site. */
:root{
  --bg:#0E0F11; --bg-2:#141519; --bg-3:#1A1C22; --card:#16181D;
  --ink:#F4F4F5; --muted:#A1A1AA; --muted-2:#71717A;
  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.05);
  --orange:#FF8A00; --amber:#FFB200; --pink:#FF2E7E; --magenta:#E0218A;
  --purple:#6A2BD9; --electric:#2EA6FF; --electric-2:#1366D6;
  --good:#34D399; --bad:#FF5A6A; --warn:#FFB200;
  --sunset:linear-gradient(135deg,#FFB200 0%,#FF7A00 42%,#FF2E7E 100%);
  --blue:linear-gradient(180deg,#7FD0FF 0%,#2EA6FF 55%,#1366D6 100%);
  --maxw:1180px; --r:16px;
  --shadow:0 24px 60px -28px rgba(0,0,0,.85);
  font-synthesis:none;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--ink);
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
h1,h2,h3,.display{font-family:'Oswald',Impact,sans-serif;font-weight:700;line-height:1;text-transform:uppercase;letter-spacing:.01em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
:focus-visible{outline:2.5px solid var(--electric);outline-offset:2px;border-radius:6px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.grad-text{background:var(--sunset);-webkit-background-clip:text;background-clip:text;color:transparent}
.blue-text{background:var(--blue);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.28em;font-size:12px;font-weight:600;color:var(--muted)}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:'Oswald',sans-serif;text-transform:uppercase;
  letter-spacing:.06em;font-weight:600;font-size:15px;padding:14px 24px;border-radius:12px;cursor:pointer;
  border:1px solid transparent;transition:transform .18s ease,box-shadow .25s ease,background .25s ease;white-space:nowrap}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none!important}
.btn-primary{background:var(--sunset);color:#1a0d02;box-shadow:0 10px 30px -10px rgba(255,90,30,.6)}
.btn-primary:hover:not([disabled]){transform:translateY(-2px);box-shadow:0 16px 40px -12px rgba(255,90,30,.75)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover:not([disabled]){background:rgba(255,255,255,.09);transform:translateY(-2px)}
.btn svg{width:18px;height:18px}

/* Header */
header{position:sticky;top:0;z-index:60;backdrop-filter:blur(12px);
  background:rgba(14,15,17,.82);border-bottom:1px solid var(--line-2)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px}
.brand .mark{width:34px;height:34px;flex:none}
.brand .name{font-family:'Oswald',sans-serif;font-weight:700;font-size:20px;line-height:.9;text-transform:uppercase;font-style:italic;letter-spacing:.02em}
.brand .name small{display:block;font-size:8.5px;letter-spacing:.34em;color:var(--muted);font-style:normal;font-weight:500;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.05em;font-size:14px;font-weight:500;color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:14px}
.lang{display:flex;border:1px solid var(--line);border-radius:9px;overflow:hidden;font-family:'Oswald',sans-serif;font-size:12.5px}
.lang button{background:transparent;color:var(--muted);border:0;padding:7px 11px;cursor:pointer;letter-spacing:.05em;font-weight:600;transition:.2s}
.lang button.active{background:var(--sunset);color:#1a0d02}
.burger{display:none;background:transparent;border:1px solid var(--line);border-radius:9px;width:42px;height:38px;cursor:pointer;color:var(--ink)}
.burger svg{width:20px;height:20px;margin:auto}

/* Footer */
footer{background:#0a0b0d;border-top:1px solid var(--line-2);padding:46px 0 120px}
.foot-mini{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;color:var(--muted-2);font-size:13px}
.foot-mini a{color:var(--muted)}
.foot-mini a:hover{color:var(--ink)}

/* Sticky mobile bar */
.mobile-bar{position:fixed;bottom:0;left:0;right:0;z-index:70;display:none;gap:10px;padding:11px 14px;
  background:rgba(12,13,15,.92);backdrop-filter:blur(12px);border-top:1px solid var(--line)}
.mobile-bar .btn{flex:1}

@media(max-width:680px){
  .nav-links{display:none}
  .nav{padding:0 14px}
  .brand .name small{display:none}
  .mobile-bar{display:flex}
}