:root {
  --bg: #0c1118;
  --text: #e8eef6;
  --dim: #8fa3b8;
  --mute: #5c7086;
  --accent: #3dffa8;
  --ai: #6ec8ff;
  --border: rgba(148, 174, 204, 0.14);
  --font: "Sora", system-ui, sans-serif;
}

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

html,
body {
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

.hub {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 28px 24px 40px;
  overflow: hidden;
  background:
    radial-gradient(900px 480px at 15% -10%, rgba(61, 255, 168, 0.1), transparent 55%),
    radial-gradient(800px 420px at 90% 0%, rgba(110, 200, 255, 0.08), transparent 50%),
    linear-gradient(180deg, #0e141d 0%, var(--bg) 45%, #090d12 100%);
}

.hub__glow {
  position: absolute;
  inset: auto auto 10% 50%;
  width: 480px;
  height: 480px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(61, 255, 168, 0.08), transparent 65%);
  pointer-events: none;
}

.hub__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1080px;
  width: 100%;
  margin: 0 auto 40px;
  animation: hub-in 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hub__brand-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.hub__brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hub__vision {
  color: var(--mute);
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  max-width: 320px;
  padding-left: 2px;
}

.hub__mark {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background: url("/static/img/logo.png") center / contain no-repeat;
  flex-shrink: 0;
}

.hub__name {
  font-weight: 700;
  font-size: clamp(18px, 2.6vw, 24px);
  letter-spacing: 0.02em;
  line-height: 1.15;
}

.hub__tagline {
  color: var(--mute);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.hub__account {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.hub__user {
  font-size: 13px;
  color: var(--dim);
}

.hub__tier {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--accent);
}

.hub__tier[data-tier="premium"] { color: var(--ai); }
.hub__tier[data-tier="plus"] { color: #c4a0ff; }
.hub__tier[data-tier="pro"] { color: #ffb86b; }
.hub__tier[data-tier="beta"] {
  color: #ffd166;
  border-color: rgba(255, 209, 102, 0.45);
}
.hub__tier--beta {
  margin-left: 2px;
}

.hub__logout {
  appearance: none;
  border: 1px solid rgba(148, 174, 204, 0.22);
  background: transparent;
  color: var(--mute, #8fa3b8);
  font: 600 12px/1 "Sora", system-ui, sans-serif;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.hub__logout:hover,
.hub__link:hover {
  color: var(--text, #e8eef6);
  border-color: rgba(148, 174, 204, 0.4);
}
.hub__link {
  text-decoration: none;
}

.hub__main {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  width: 100%;
  margin: 0 auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  animation: hub-in 0.55s 0.06s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hub__title {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.hub__sub {
  color: var(--dim);
  margin-bottom: 36px;
  font-size: 15px;
  line-height: 1.55;
}

.hub__sub--seo {
  margin-bottom: 12px;
  color: var(--mute, #8fa3b8);
  font-size: 14px;
}

.hub__sub strong {
  color: var(--text);
  font-weight: 600;
}

.hub__sub--cta {
  margin-top: -24px;
  margin-bottom: 28px;
}

.hub-beta-strip {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0 0 28px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 209, 102, 0.28);
  background: rgba(255, 209, 102, 0.08);
  color: #e8eef6;
  font-size: 13px;
  line-height: 1.55;
}

.hub-auth-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 18px;
  margin: 0 0 24px;
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid rgba(61, 255, 168, 0.35);
  background:
    linear-gradient(135deg, rgba(61, 255, 168, 0.12), rgba(61, 255, 168, 0.04)),
    rgba(14, 20, 29, 0.92);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}
.hub-auth-banner__text {
  min-width: 0;
  flex: 1 1 220px;
}
.hub-auth-banner__text strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.95rem;
  color: #e8eef6;
}
.hub-auth-banner__text p {
  margin: 0;
  color: var(--dim);
  font-size: 0.86rem;
  line-height: 1.45;
}
.hub-auth-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.hub-auth-banner__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 10px;
  background: #3dffa8;
  color: #0c1118;
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
}
.hub-auth-banner__btn--ghost {
  background: transparent;
  color: #e8eef6;
  border: 1px solid rgba(148, 174, 204, 0.3);
}
.hub__link--cta {
  background: rgba(61, 255, 168, 0.16) !important;
  color: #3dffa8 !important;
  border-color: rgba(61, 255, 168, 0.35) !important;
}

.hub-beta-strip__tag {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #0c1118;
  background: #ffd166;
  border-radius: 999px;
  padding: 4px 8px;
}

.hub-beta-strip p {
  margin: 0;
  color: var(--dim);
}

.hub-beta-strip strong {
  color: var(--text);
}

.hub__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.hub-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 28px 26px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(17, 24, 33, 0.72);
  backdrop-filter: blur(10px);
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
  min-height: 220px;
}

.hub-card:hover {
  transform: translateY(-3px);
  border-color: rgba(61, 255, 168, 0.35);
  background: rgba(22, 30, 41, 0.9);
}

.hub-card--pdf:hover {
  border-color: rgba(110, 200, 255, 0.4);
}

.hub-card--hdl:hover {
  border-color: rgba(94, 234, 212, 0.45);
}

.hub-card--ds:hover {
  border-color: rgba(155, 140, 255, 0.45);
}

.hub-card__icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(61, 255, 168, 0.12);
  color: var(--accent);
}

.hub-card--pdf .hub-card__icon {
  background: rgba(110, 200, 255, 0.12);
  color: var(--ai);
}

.hub-card--hdl .hub-card__icon {
  background: rgba(94, 234, 212, 0.12);
  color: #5eead4;
}

.hub-card--hdl .hub-card__cta {
  color: #5eead4;
}

.hub-card--eng:hover {
  border-color: rgba(142, 196, 239, 0.45);
}

.hub-card--eng .hub-card__icon {
  background: rgba(142, 196, 239, 0.12);
  color: #8ec4ef;
}

.hub-card--eng .hub-card__cta {
  color: #8ec4ef;
}

.hub-card--model:hover {
  border-color: rgba(240, 164, 106, 0.45);
}

.hub-card--model .hub-card__icon {
  background: rgba(240, 164, 106, 0.12);
  color: #f0a46a;
}

.hub-card--model .hub-card__cta {
  color: #f0a46a;
}

.hub-card--app:hover {
  border-color: rgba(163, 230, 53, 0.45);
}

.hub-card--app .hub-card__icon {
  background: rgba(163, 230, 53, 0.12);
  color: #a3e635;
}

.hub-card--app .hub-card__cta {
  color: #a3e635;
}

.hub-card--ds .hub-card__icon {
  background: rgba(155, 140, 255, 0.12);
  color: #9b8cff;
}

.hub-card--ds .hub-card__cta {
  color: #9b8cff;
}

.hub-card--pod:hover {
  border-color: rgba(255, 176, 107, 0.45);
}

.hub-card--pod .hub-card__icon {
  background: rgba(255, 176, 107, 0.12);
  color: #ffb86b;
}

.hub-card--pod .hub-card__cta {
  color: #ffb86b;
}

.hub-card__title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.hub-card__badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 4px;
  border: 1px solid rgba(255, 176, 107, 0.35);
  color: #ffb86b;
  background: rgba(255, 176, 107, 0.08);
}

.hub-card__title {
  font-size: 22px;
  font-weight: 700;
}

.hub-card__desc {
  color: var(--dim);
  line-height: 1.55;
  font-size: 14px;
  flex: 1;
}

.hub-card__cta {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.hub-card--pdf .hub-card__cta {
  color: var(--ai);
}

.hub__footer {
  max-width: 1080px;
  width: 100%;
  margin: 48px auto 0;
  color: var(--mute);
  font-size: 12px;
  letter-spacing: 0.08em;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  animation: hub-in 0.5s 0.12s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hub__footer-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.hub__footer .site-copyright {
  margin: 0;
  text-align: left;
  letter-spacing: 0.02em;
  font-size: 11px;
  opacity: 0.9;
}

.hub__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  letter-spacing: 0.02em;
}

.hub__legal a {
  color: var(--dim);
}

.hub__legal a:hover {
  color: var(--accent);
}

@keyframes hub-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 720px) {
  .hub__grid {
    grid-template-columns: 1fr;
  }

  .hub__header {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 32px;
  }
}

body.beta-notice-open {
  overflow: hidden;
}

.beta-notice {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(6, 10, 16, 0.72);
  backdrop-filter: blur(8px);
  animation: beta-fade 0.28s ease both;
}

.beta-notice[hidden] {
  display: none;
}

.beta-notice__panel {
  width: min(440px, 100%);
  padding: 28px 26px 24px;
  border-radius: 16px;
  border: 1px solid rgba(148, 174, 204, 0.16);
  background: linear-gradient(180deg, #141c27 0%, #0e141d 100%);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
  animation: beta-rise 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.beta-notice__eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #ffd166;
  margin-bottom: 10px;
}

.beta-notice__panel h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.25;
}

.beta-notice__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 22px;
}

.beta-notice__body p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--dim);
}

.beta-notice__body strong {
  color: var(--text);
  font-weight: 600;
}

.beta-notice__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.beta-notice__link {
  display: grid;
  place-items: center;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--ai);
  border: 1px solid rgba(110, 200, 255, 0.35);
  border-radius: 10px;
  padding: 11px 16px;
  text-decoration: none;
}

.beta-notice__link:hover {
  background: rgba(110, 200, 255, 0.08);
  text-decoration: none;
}

.beta-notice__btn {
  width: 100%;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  color: #0c1118;
  background: var(--accent);
  border: none;
  border-radius: 10px;
  padding: 12px 16px;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.15s ease;
}

.beta-notice__btn:hover {
  filter: brightness(1.06);
}

.beta-notice__btn:active {
  transform: scale(0.98);
}

@keyframes beta-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes beta-rise {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}