/* Sinh Vũ — Client Hub (khach.sinhvu.com) template layer. Consumes DS tokens. */

.hub-scroll { height: 100vh; overflow-y: auto; background: var(--color-off-white); }
.hub-wrap { max-width: 1080px; margin: 0 auto; padding: 0 32px; }

/* top bar: brand + demo stage switcher */
/* top bar: consistent DS portal header + demo stage-preview device */
.hub-top { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--color-deep-navy) 96%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid color-mix(in srgb, #fff 10%, transparent); }
.hub-top__in { max-width: 1080px; margin: 0 auto; padding: 12px 32px; display: flex; align-items: center; gap: 16px; }
.hub-top__brand { display: flex; align-items: center; gap: 11px; }
.hub-top__brand img { height: 34px; width: auto; display: block; }
.hub-top__portal { font-family: var(--font-sans); font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-warm-cream) 78%, transparent); padding-left: 16px; border-left: 1px solid color-mix(in srgb, #fff 16%, transparent); }
.hub-demo { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.hub-demo__tag { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-sans); font-size: 10px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: color-mix(in srgb, var(--color-off-white) 50%, transparent); white-space: nowrap; }
.hub-demo__tag::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--color-signal-red); }
.hub-tabs { display: flex; gap: 2px; background: color-mix(in srgb, #fff 6%, transparent); border-radius: var(--radius-pill); padding: 4px; }
.hub-tab { font-family: var(--font-sans); font-size: 12.5px; font-weight: 600; color: color-mix(in srgb, var(--color-off-white) 66%, transparent);
  background: none; border: none; cursor: pointer; padding: 6px 14px; border-radius: var(--radius-pill); white-space: nowrap; transition: background var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out); }
.hub-tab:hover { color: var(--color-warm-cream); }
.hub-tab--active { background: var(--color-warm-cream); color: var(--color-deep-navy); }

.hub-hero { background: var(--color-deep-navy); color: var(--color-off-white); padding: 56px 0 44px; }
.hub-body { padding: 48px 0 72px; }
.hub-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; align-items: start; }
.hub-side { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 88px; }
.hub-sec-label { font-family: var(--font-sans); font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-accent); margin: 0 0 16px; }

.hub-founder { background: var(--surface-paper); border: 1px solid var(--hairline); border-radius: var(--radius-lg); padding: 24px; }
.hub-founder__label { font-family: var(--font-sans); font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-accent); margin: 0 0 14px; display: flex; align-items: center; gap: 9px; }
.hub-founder__label::before { content: ""; width: 18px; height: 1.5px; background: var(--accent); }
.hub-founder__quote { font-family: var(--font-serif); font-size: 17px; line-height: 1.62; letter-spacing: -0.005em; color: var(--text-primary); margin: 0 0 18px; text-wrap: pretty; }
.hub-founder__sign { display: flex; align-items: center; gap: 12px; padding-top: 16px; border-top: 1px solid var(--hairline); }
.hub-founder__seal { width: 42px; height: 42px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: var(--color-bordeaux); color: var(--color-warm-cream); font-family: var(--font-heading); font-weight: 600; font-size: 15px; letter-spacing: 0.02em; }
.hub-founder__by { min-width: 0; display: flex; flex-direction: column; }
.hub-founder__sig { display: block; font-family: var(--font-heading); font-size: 17px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.2; color: var(--text-primary); }
.hub-founder__role { display: block; font-family: var(--font-sans); font-size: 12px; line-height: 1.4; color: var(--text-secondary); margin-top: 3px; }

/* no-link welcome state */
.hub-welcome { max-width: 560px; margin: 60px auto; text-align: center; }
.hub-welcome__mark { height: 56px; margin-bottom: 22px; }

@media (max-width: 920px) {
  .hub-grid { grid-template-columns: 1fr; }
  .hub-side { position: static; }
  .hub-tabs { display: none; }
}