.about-page {
  background: linear-gradient(160deg, #5981B1 0%, #3d5a82 38%, #365475 100%);
  background-attachment: fixed;
  min-height: 100vh;
  height: auto;
  overflow-x: hidden;
  overflow-y: visible;
}

.about-page .back-to-top {
  position: fixed !important;
  bottom: 28px !important;
  right: 28px !important;
  left: auto !important;
  top: auto !important;
  z-index: 999999 !important;
  width: 56px;
  height: 56px;
  background: linear-gradient(145deg, #5981B1, #365475);
  border: 2px solid rgba(152, 186, 227, 0.65);
  color: #fff;
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.08) inset;
}

.about-page .back-to-top.visible {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
}

.about-page .back-to-top:hover,
.about-page .back-to-top.visible:hover {
  background: linear-gradient(145deg, #98BAE3, #5981B1);
  border-color: rgba(232, 238, 249, 0.85);
  transform: translateY(-3px) scale(1.05);
}

.about-page .back-to-top svg {
  width: 26px;
  height: 26px;
  stroke: #fff;
}

@media (max-width: 720px) {
  .about-page .back-to-top {
    bottom: 20px !important;
    right: 20px !important;
    width: 50px;
    height: 50px;
  }
}

.about-hero {
  padding: clamp(48px, 7vw, 80px) 20px clamp(32px, 4vw, 44px);
  background:
    radial-gradient(900px 600px at 12% -10%, rgba(152, 186, 227, 0.22), transparent 70%),
    radial-gradient(900px 600px at 100% 0%, rgba(54, 84, 117, 0.22), transparent 70%),
    rgba(14, 22, 35, 0.95);
  border-bottom: 1px solid rgba(152, 186, 227, 0.12);
}

.about-hero__inner {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.about-hero__eyebrow {
  margin: 0 0 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-2, #98BAE3);
}

.about-hero__lead {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  line-height: 1.6;
}

.about-content {
  max-width: 920px;
  margin: 0 auto;
  padding: clamp(36px, 5vw, 56px) 20px clamp(56px, 8vw, 88px);
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 4vw, 40px);
}

/* Shared panel base */
.about-panel {
  position: relative;
  margin: 0;
  overflow: hidden;
}

.about-panel__inner {
  position: relative;
  z-index: 1;
  padding: clamp(24px, 3.5vw, 36px);
}

.about-panel__head {
  margin-bottom: 18px;
}

.about-panel__tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.about-panel h3 {
  margin: 0;
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  color: var(--text);
  line-height: 1.2;
}

.about-panel p {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.75;
}

.about-panel p:last-child {
  margin-bottom: 0;
}

.about-panel a {
  color: var(--accent-2, #98BAE3);
  text-decoration: none;
}

.about-panel a:hover {
  text-decoration: underline;
}

.about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.about-actions .btn {
  font-weight: 600;
}

/* 01 · Origin — garage note */
.about-panel--origin {
  border-radius: 20px;
  background:
    linear-gradient(135deg, rgba(89, 129, 177, 0.12), transparent 45%),
    repeating-linear-gradient(
      -12deg,
      rgba(255, 255, 255, 0.02) 0,
      rgba(255, 255, 255, 0.02) 2px,
      transparent 2px,
      transparent 14px
    ),
    linear-gradient(155deg, rgba(24, 36, 52, 0.96), rgba(12, 18, 28, 0.98));
  border: 1px solid rgba(152, 186, 227, 0.2);
  box-shadow:
    inset 4px 0 0 rgba(152, 186, 227, 0.55),
    0 16px 40px rgba(0, 0, 0, 0.32);
}

.about-panel--origin .about-panel__tag {
  background: rgba(152, 186, 227, 0.14);
  color: var(--accent-2, #98BAE3);
  border: 1px solid rgba(152, 186, 227, 0.25);
}

.about-callout {
  margin: 20px 0 0;
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px dashed rgba(152, 186, 227, 0.28);
  background: rgba(8, 12, 20, 0.45);
}

.about-callout p {
  margin: 0;
  font-size: 0.98rem;
  color: rgba(232, 238, 249, 0.88);
}

.about-callout--ghost {
  position: relative;
  padding-left: 48px;
}

.about-callout--ghost::before {
  content: '👻';
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  opacity: 0.85;
}

/* 02 · Today — split + orbit chips */
.about-panel--today {
  border-radius: 22px;
  background:
    radial-gradient(ellipse 70% 80% at 100% 20%, rgba(89, 129, 177, 0.22), transparent 55%),
    linear-gradient(180deg, rgba(21, 39, 60, 0.92), rgba(14, 22, 35, 0.96));
  border: 1px solid rgba(152, 186, 227, 0.16);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.3);
}

.about-panel--today .about-panel__tag {
  background: rgba(89, 129, 177, 0.2);
  color: #dce8f8;
}

.about-split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(20px, 4vw, 32px);
  align-items: center;
}

.about-orbit {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-orbit__chip {
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 0.82rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.04em;
  border: 1px solid rgba(152, 186, 227, 0.2);
  background: rgba(8, 14, 24, 0.55);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.about-orbit__chip:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.28);
}

.about-orbit__chip--wire { border-color: rgba(152, 186, 227, 0.45); color: #b8d4f5; }
.about-orbit__chip--events { border-color: rgba(120, 200, 180, 0.4); color: #a8e6d4; }
.about-orbit__chip--resources { border-color: rgba(180, 160, 220, 0.4); color: #d4c4f0; }
.about-orbit__chip--guides { border-color: rgba(255, 200, 120, 0.35); color: #f5d9a8; }
.about-orbit__chip--studios { border-color: rgba(255, 140, 160, 0.35); color: #f5b8c4; }
.about-orbit__chip--forum { grid-column: span 2; border-color: rgba(152, 186, 227, 0.55); color: var(--accent-2, #98BAE3); background: rgba(89, 129, 177, 0.15); }

/* 03 · Contact */
.about-panel--contact {
  border-radius: 22px;
  background:
    radial-gradient(ellipse 80% 70% at 50% 0%, rgba(89, 129, 177, 0.18), transparent 55%),
    linear-gradient(165deg, rgba(18, 30, 48, 0.96), rgba(10, 16, 26, 0.98));
  border: 1px solid rgba(152, 186, 227, 0.16);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.3);
}

.about-panel--contact .about-panel__inner {
  background: transparent;
}

.about-panel--contact .about-panel__inner--center {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.about-panel--contact .about-panel__head {
  margin-bottom: 14px;
}

.about-panel--contact .about-panel__tag {
  background: rgba(152, 186, 227, 0.12);
  color: var(--accent-2, #98BAE3);
}

.about-contact__icon {
  display: block;
  font-size: 2rem;
  margin-bottom: 12px;
  filter: drop-shadow(0 0 12px rgba(152, 186, 227, 0.35));
}

.about-panel--contact .about-actions {
  justify-content: center;
}

/* 04 · Roadmap — timeline */
.about-panel--roadmap {
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(16, 26, 40, 0.95) 0%, rgba(10, 16, 26, 0.98) 100%);
  border: 1px solid rgba(152, 186, 227, 0.14);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.32);
}

.about-panel--roadmap .about-panel__tag {
  background: linear-gradient(135deg, rgba(89, 129, 177, 0.25), rgba(152, 186, 227, 0.12));
  color: #dce8f8;
}

.about-roadmap {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about-roadmap__item {
  position: relative;
  margin: 0;
  padding: 0 0 0 clamp(28px, 4vw, 36px);
  padding-bottom: clamp(22px, 3vw, 28px);
}

.about-roadmap__item:last-child {
  padding-bottom: 0;
}

.about-roadmap__item::before {
  content: '';
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(152, 186, 227, 0.45), rgba(152, 186, 227, 0.08));
}

.about-roadmap__item:last-child::before {
  display: none;
}

.about-roadmap__item::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(152, 186, 227, 0.5);
  background: #15273c;
  box-shadow: 0 0 0 4px rgba(89, 129, 177, 0.15);
}

.about-roadmap__item--lan::after { background: #5981B1; border-color: #98BAE3; }
.about-roadmap__item--hosting::after { background: #4a6a94; border-color: #7aa3d4; }
.about-roadmap__item--articles::after { background: #365475; border-color: #6891c0; }
.about-roadmap__item--builds::after { background: #98BAE3; border-color: #c8dcf5; }

.about-roadmap__list {
  margin: 0 0 14px;
  padding: 14px 16px 14px 2.2rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(152, 186, 227, 0.1);
  border-left: 3px solid rgba(152, 186, 227, 0.42);
  color: var(--muted);
  line-height: 1.65;
}

.about-roadmap__list li + li {
  margin-top: 6px;
}

.about-roadmap__label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2, #98BAE3);
}

.about-roadmap__label a {
  color: inherit;
  text-decoration: none;
}

.about-roadmap__label a:hover {
  text-decoration: underline;
}

.about-roadmap__item p {
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(152, 186, 227, 0.1);
}

.about-roadmap__item--lan p {
  border-left: 3px solid rgba(152, 186, 227, 0.5);
}

.about-roadmap__item--hosting p {
  border-left: 3px solid rgba(122, 163, 212, 0.45);
}

.about-roadmap__item--articles p {
  border-left: 3px solid rgba(104, 145, 192, 0.45);
}

.about-roadmap__item--builds p {
  border-left: 3px solid rgba(152, 186, 227, 0.42);
}

@media (max-width: 760px) {
  .about-split {
    grid-template-columns: 1fr;
  }

  .about-orbit {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .about-orbit__chip--forum {
    grid-column: span 3;
  }
}

@media (max-width: 640px) {
  .about-orbit {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-orbit__chip--forum {
    grid-column: span 2;
  }

  .about-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .about-actions .btn {
    justify-content: center;
  }

  .about-callout--ghost {
    padding-left: 18px;
    padding-top: 44px;
  }

  .about-callout--ghost::before {
    left: 18px;
    top: 16px;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .about-orbit__chip {
    transition: none;
  }

  .about-orbit__chip:hover {
    transform: none;
  }
}
