/**
 * athlete-hub-base.css — Layout, typography, responsive, skeleton
 * Task #950548 — Athlete Hub Mini-Site (SPEC v4 HARDENED)
 * Dependencies: athlete-hub-themes.css (CSS variables)
 */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}

/* ── Root defaults (overridden by theme JS) ── */
:root{
  --hub-bg:#1a1a2e;
  --hub-card-bg:#25253e;
  --hub-text:#e2e8f0;
  --hub-text-secondary:#94a3b8;
  --hub-accent:#c9a227;
  --hub-accent-hover:#d4af37;
  --hub-on-accent:#0a0a0a;
  --hub-font:'Inter',sans-serif;
  --hub-max-width:100%;
  --hub-h1:48px;
  --hub-card-pad:32px;
  /* Extended tokens (set by JS applyTheme for supported palettes) */
  --hub-bg-elevated:var(--hub-card-bg);
  --hub-bg-overlay:var(--hub-bg);
  --hub-card-border:rgba(255,255,255,0.06);
  --hub-divider:rgba(255,255,255,0.08);
  --hub-accent-secondary:var(--hub-accent);
}

body{
  background:var(--hub-bg);
  color:var(--hub-text);
  font-family:var(--hub-font);
  font-size:16px;
  line-height:1.6;
  min-height:100vh;
}

/* ── Layout ── */
.hub-container{width:100%;max-width:var(--hub-max-width);margin:0 auto;padding:0 20px;}
.hub-section{padding:48px 0;}

/* ── Sticky Nav ── */
.hub-nav{
  background:var(--hub-bg);
  border-bottom:1px solid rgba(255,255,255,0.08);
  position:sticky;top:0;z-index:10;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.hub-nav-inner{
  display:flex;gap:0;overflow-x:auto;scrollbar-width:none;
  -ms-overflow-style:none;
  max-width:var(--hub-max-width);margin:0 auto;padding:0 20px;
}
.hub-nav-inner::-webkit-scrollbar{display:none;}
.hub-nav-link{
  flex-shrink:0;padding:14px 18px;font-size:14px;font-weight:600;
  color:var(--hub-text-secondary);text-decoration:none;
  border-bottom:2px solid transparent;transition:color 0.2s,border-color 0.2s;
  white-space:nowrap;
}
.hub-nav-link:hover{color:var(--hub-text);}
.hub-nav-link.active{color:var(--hub-accent);border-bottom-color:var(--hub-accent);}

/* ── Header ── */
.hub-header{padding:60px 0 40px;position:relative;}
.hub-header-inner{display:flex;align-items:center;gap:28px;flex-wrap:wrap;}
.hub-avatar{
  width:96px;height:96px;border-radius:50%;object-fit:cover;
  border:3px solid var(--hub-accent);flex-shrink:0;
}
.hub-avatar-fallback{
  width:96px;height:96px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--hub-accent);color:var(--hub-on-accent);
  font-size:32px;font-weight:800;letter-spacing:-1px;
  border:3px solid rgba(255,255,255,0.15);
}
.hub-header-name{font-size:var(--hub-h1);font-weight:800;line-height:1.1;letter-spacing:-1px;margin-bottom:6px;}
.hub-header-meta{font-size:16px;color:var(--hub-text-secondary);margin-bottom:12px;}
.hub-header-bio{font-size:16px;color:var(--hub-text-secondary);max-width:560px;line-height:1.65;margin-bottom:20px;}
.hub-header-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.hub-cta-btn{
  display:inline-block;padding:12px 28px;border-radius:100px;
  background:var(--hub-accent);color:var(--hub-on-accent);font-weight:700;
  font-size:15px;text-decoration:none;transition:background 0.2s,transform 0.2s;
  letter-spacing:-0.2px;position:relative;z-index:2;cursor:pointer;
}
.hub-cta-btn:hover{background:var(--hub-accent-hover);transform:translateY(-1px);}
/* Ensure header actions are always clickable above accent overlays */
.hub-header-actions{position:relative;z-index:2;}
/* Accent overlay must not block pointer events */
.hub-header-accent{pointer-events:none;}
.hub-social-link{
  width:38px;height:38px;border-radius:50%;display:inline-flex;
  align-items:center;justify-content:center;
  border:1.5px solid rgba(255,255,255,0.2);color:var(--hub-text-secondary);
  text-decoration:none;font-size:16px;transition:border-color 0.2s,color 0.2s;
}
.hub-social-link:hover{border-color:var(--hub-accent);color:var(--hub-accent);}

/* ── Section headings ── */
.hub-section-title{
  font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  color:var(--hub-accent);margin-bottom:24px;
}
.hub-section-divider{border:none;border-top:2px solid var(--hub-accent);margin:0 0 32px;opacity:0.4;}

/* ── Cards ── */
.hub-card{
  background:var(--hub-card-bg);border-radius:16px;
  padding:var(--hub-card-pad);
}
.hub-about-text{font-size:18px;line-height:1.7;color:var(--hub-text);}

/* ── Media Kit grid ── */
.hub-mediakit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.hub-mk-card{
  background:var(--hub-card-bg);border-radius:12px;overflow:hidden;
  border:1px solid rgba(255,255,255,0.06);transition:transform 0.2s;
}
.hub-mk-card img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;}
.hub-mk-label{padding:12px 14px;font-size:13px;font-weight:600;color:var(--hub-text-secondary);}

/* ── Valuation ── */
.hub-valuation-card{background:var(--hub-card-bg);border-radius:16px;padding:var(--hub-card-pad);}
.hub-valuation-number{font-size:52px;font-weight:800;letter-spacing:-2px;color:var(--hub-text);line-height:1;margin-bottom:6px;}
.hub-valuation-label{font-size:14px;color:var(--hub-text-secondary);margin-bottom:24px;}
.hub-metrics-row{display:flex;gap:12px;flex-wrap:wrap;}
.hub-metric-chip{
  padding:10px 16px;background:rgba(255,255,255,0.06);
  border-radius:100px;display:flex;flex-direction:column;align-items:center;gap:2px;
  border:1px solid rgba(255,255,255,0.08);
}
.hub-metric-value{font-size:16px;font-weight:700;color:var(--hub-text);}
.hub-metric-key{font-size:11px;color:var(--hub-text-secondary);text-transform:uppercase;letter-spacing:0.5px;}

/* ── Partnerships ── */
.hub-partnerships-list{display:flex;flex-direction:column;gap:12px;}
.hub-partner-item{
  background:var(--hub-card-bg);border-radius:12px;padding:16px 20px;
  display:flex;align-items:center;gap:16px;
  border:1px solid rgba(255,255,255,0.06);
}
.hub-partner-logo{
  width:44px;height:44px;border-radius:50%;object-fit:contain;
  background:rgba(255,255,255,0.06);flex-shrink:0;
}
.hub-partner-initial{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--hub-accent);color:var(--hub-on-accent);font-weight:800;font-size:16px;
}
.hub-partner-name{font-size:15px;font-weight:600;color:var(--hub-text);}
.hub-partner-meta{font-size:13px;color:var(--hub-text-secondary);margin-top:2px;}

/* ── Rate Card grid ── */
.hub-rates-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.hub-rate-card{
  background:var(--hub-card-bg);border-radius:16px;
  padding:var(--hub-card-pad);text-align:center;
  border:1px solid rgba(255,255,255,0.06);
  transition:transform 0.2s;
}
.hub-rate-card:hover{transform:translateY(-2px);}
.hub-rate-price{
  font-size:32px;font-weight:800;color:var(--hub-accent);
  letter-spacing:-1px;line-height:1;margin-bottom:8px;
}
.hub-rate-deliverable{
  font-size:15px;font-weight:700;color:var(--hub-text);
  margin-bottom:6px;text-transform:uppercase;letter-spacing:0.5px;
}
.hub-rate-desc{
  font-size:13px;color:var(--hub-text-secondary);line-height:1.5;
  margin-top:4px;
}
/* ── Media Kit stats row ── */
.hub-mk-stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}

/* ── Contact footer ── */
.hub-contact{padding:40px 0;border-top:1px solid rgba(255,255,255,0.08);margin-top:0;}
.hub-contact-inner{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.hub-footer{
  padding:24px 0;border-top:1px solid rgba(255,255,255,0.06);
  font-size:13px;color:var(--hub-text-secondary);
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;
}

/* ── 404 page ── */
.hub-404{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:40px 20px;
}
.hub-404-content{max-width:400px;}
.hub-404-emoji{font-size:64px;margin-bottom:24px;display:block;}
.hub-404-title{font-size:28px;font-weight:800;margin-bottom:12px;}
.hub-404-desc{font-size:16px;color:var(--hub-text-secondary);margin-bottom:28px;}
.hub-404-link{
  display:inline-block;padding:12px 28px;border-radius:100px;
  background:var(--hub-accent);color:var(--hub-on-accent);font-weight:700;
  font-size:15px;text-decoration:none;
}

/* ── Skeleton shimmer ── */
@keyframes shimmer{0%{background-position:-600px 0}100%{background-position:600px 0}}
.hub-skeleton{
  background:linear-gradient(90deg,rgba(255,255,255,0.05) 25%,rgba(255,255,255,0.1) 50%,rgba(255,255,255,0.05) 75%);
  background-size:600px 100%;
  animation:shimmer 1.5s infinite linear;
  border-radius:8px;
}
.hub-skeleton-avatar{width:96px;height:96px;border-radius:50%;}
.hub-skeleton-line{height:16px;margin-bottom:10px;}
.hub-skeleton-line.wide{width:70%;}
.hub-skeleton-line.medium{width:45%;}
.hub-skeleton-line.narrow{width:30%;}
.hub-skeleton-rect{height:120px;border-radius:12px;margin-bottom:12px;}

/* ── Responsive ── */
@media(max-width:768px){
  :root{--hub-h1:32px;--hub-card-pad:20px;}
  .hub-header{padding:40px 0 28px;}
  .hub-header-inner{gap:16px;}
  .hub-avatar,.hub-avatar-fallback{width:72px;height:72px;font-size:24px;}
  .hub-mediakit-grid{grid-template-columns:1fr;}
  .hub-rates-grid{grid-template-columns:repeat(2,1fr);}
  .hub-mk-stats-row{grid-template-columns:1fr;}
  .hub-valuation-number{font-size:40px;}
  .hub-metrics-row{gap:8px;}
  .hub-section{padding:32px 0;}
  .hub-rate-price{font-size:24px;}
}
@media(max-width:480px){
  :root{--hub-h1:26px;}
  .hub-header-bio{font-size:14px;}
  .hub-about-text{font-size:16px;}
  .hub-container{padding:0 14px;}
  .hub-rates-grid{grid-template-columns:1fr;}
}