/* Links hub — loads from the TikTok in-app browser. No GSAP, inline SVG only, ridges pinned to the bottom. */
.hub {
  position: relative; min-height: 100vh; min-height: 100dvh;
  background: var(--sand); color: var(--ink);
  padding: clamp(2.5rem, 8vw, 4.5rem) var(--gutter) calc(30vh + 2rem);
}
.hub-inner { position: relative; z-index: 1; max-width: 30rem; margin: 0 auto; }
.hub .cube { margin: 0 0 1.2rem; }
.hub .cube-rod { stroke: var(--copper); }
.hub .cube-shine { stroke: var(--bone); }
.hub h1 { font-size: clamp(2rem, 8vw, 2.6rem); margin-bottom: .3rem; }
.hub .who { color: var(--ink-soft); margin: 0 0 1.8rem; font-size: 1.05rem; }

.hub .links { display: grid; gap: .7rem; }
.hub .link {
  display: flex; flex-direction: column; justify-content: center; gap: .1rem;
  min-height: 3.5rem; padding: .85rem 1.2rem; border-radius: var(--radius);
  background: color-mix(in srgb, var(--sand) 55%, #fff); border: 2px solid var(--sand-deep);
  color: var(--ink); text-decoration: none; transition: border-color .2s, transform .2s var(--ease-out);
}
.hub .link:hover, .hub .link:focus-visible { border-color: var(--copper); color: var(--ink); }
.hub .link:active { transform: scale(.985); }
.hub .label { font-family: var(--display); font-weight: 700; font-stretch: 110%; font-size: 1.15rem; line-height: 1.15; }
.hub .sub { font-size: .9rem; color: var(--ink-soft); }
.hub .link-hot { background: var(--copper); border-color: var(--copper); color: #fff; }
.hub .link-hot .sub { color: color-mix(in srgb, #fff 82%, var(--copper)); }
.hub .link-hot:hover, .hub .link-hot:focus-visible { background: var(--rust); border-color: var(--rust); color: #fff; }

.hub .signup { margin-top: 1.8rem; }
.hub .signup label { display: block; font-weight: 600; margin-bottom: .5rem; }
.hub .signup .field { max-width: none; }
.hub .signup .btn { min-height: 3rem; }
.hub .signup input[type="email"] { min-height: 3rem; }
.hub .full { margin: 1.6rem 0 0; }
.hub .full a { font-weight: 600; min-height: 3rem; display: inline-flex; align-items: center; }

/* ridges: a static backdrop pinned to the bottom of the viewport */
.hub .ridges { position: fixed; height: 30vh; min-height: 180px; z-index: 0; }

@media (prefers-color-scheme: dark) {
  .hub { background: var(--night); color: var(--bone); }
  .hub h1 { color: #fff; }
  .hub .who, .hub .sub { color: var(--bone-soft); }
  .hub .link { background: var(--night-2); border-color: #3a4656; color: var(--bone); }
  .hub .link:hover, .hub .link:focus-visible { color: var(--bone); }
  .hub .link-hot { background: var(--copper); border-color: var(--copper); color: #fff; }
  .hub .link-hot .sub { color: color-mix(in srgb, #fff 82%, var(--copper)); }
  .hub .signup input[type="email"] { background: var(--night-2); border-color: #3a4656; color: #fff; }
  .hub .ridge-far { fill: #2a1a12; } .hub .ridge-mid { fill: #3b2718; } .hub .ridge-near { fill: #4b3321; }
}
@media (prefers-reduced-motion: reduce) { .hub .link { transition: none; } }