/**
 * Broadband hub — home internet pathways, LTE-first.
 */

.ar-bb {
  --ar-bb-bg: #f2ebe4;
  --ar-bb-bg-deep: #e8ddd2;
  --ar-bb-ink: #2a2420;
  --ar-bb-muted: #6a5d52;
  --ar-bb-line: rgba(42, 36, 32, 0.12);
  --ar-bb-brand: #A12273;
  --ar-bb-gold: #9a7b3c;
  --ar-bb-glass: rgba(255, 252, 248, 0.72);
  overflow: clip;
  background: var(--ar-bb-bg);
  color: var(--ar-bb-ink);
}

.ar-bb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.8rem;
  padding: 0.72rem 1.4rem;
  border-radius: 999px;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  transition:
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.35s ease,
    background 0.3s ease,
    border-color 0.3s ease,
    color 0.3s ease;
}

.ar-bb-btn--fill {
  background: linear-gradient(160deg, #c44a95 0%, #A12273 45%, #8b1c62 100%);
  color: #fff;
  border: 1px solid transparent;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.28) inset,
    0 12px 28px rgba(161, 34, 115, 0.28);
}

.ar-bb-btn--fill:hover,
.ar-bb-btn--fill:focus-visible {
  transform: translateY(-3px);
  color: #fff;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.35) inset,
    0 18px 36px rgba(161, 34, 115, 0.34);
}

.ar-bb-btn--line {
  background: rgba(255, 255, 255, 0.45);
  color: var(--ar-bb-ink);
  border: 1px solid rgba(42, 36, 32, 0.18);
  backdrop-filter: blur(8px);
}

.ar-bb-btn--line:hover,
.ar-bb-btn--line:focus-visible {
  border-color: rgba(161, 34, 115, 0.45);
  color: var(--ar-bb-brand);
  transform: translateY(-2px);
}

.ar-bb-eyebrow {
  margin: 0 0 0.55rem;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ar-bb-gold);
}

.ar-bb-head {
  max-width: 34rem;
  margin-bottom: clamp(1.6rem, 3.5vw, 2.25rem);
}

.ar-bb-head h2 {
  margin: 0 0 0.45rem;
  font-size: clamp(1.4rem, 2.8vw, 1.85rem);
  letter-spacing: -0.02em;
}

.ar-bb-head p {
  margin: 0;
  color: var(--ar-bb-muted);
  line-height: 1.7;
}

/* —— Hero —— */
.ar-bb-hero {
  position: relative;
  min-height: min(86vh, 42rem);
  display: flex;
  align-items: center;
  padding: clamp(5rem, 11vw, 7.5rem) 0 clamp(3.25rem, 6vw, 4.75rem);
  background:
    radial-gradient(ellipse 48% 52% at 88% 28%, rgba(161, 34, 115, 0.14), transparent 58%),
    radial-gradient(ellipse 35% 40% at 8% 85%, rgba(201, 162, 39, 0.12), transparent 55%),
    linear-gradient(165deg, #f8f1ea 0%, #efe3d7 50%, #e6d7c8 100%);
}

.ar-bb-hero__glow {
  position: absolute;
  inset-inline-end: 8%;
  top: 18%;
  width: min(34vw, 22rem);
  height: min(34vw, 22rem);
  border-radius: 50%;
  background: rgba(161, 34, 115, 0.12);
  filter: blur(40px);
  animation: ar-bb-drift 14s ease-in-out infinite;
  pointer-events: none;
}

.ar-bb-hero__map {
  position: absolute;
  inset-inline-end: 0;
  top: 50%;
  width: min(48vw, 560px);
  transform: translateY(-50%);
  opacity: 0.55;
  pointer-events: none;
}

.ar-bb-hero__link {
  fill: none;
  stroke: url(#arBbLux);
  stroke-width: 1.5;
  stroke-dasharray: 7 9;
  animation: ar-bb-flow 16s linear infinite;
}

.ar-bb-hero__link--soft {
  opacity: 0.55;
  animation-duration: 22s;
  animation-direction: reverse;
}

.ar-bb-hero__node {
  fill: #A12273;
  stroke: #c9a227;
  stroke-width: 1.2;
  animation: ar-bb-pulse 2.8s ease-in-out infinite;
}

.ar-bb-hero__node--core {
  fill: #8b1c62;
  animation-duration: 2.2s;
}

.ar-bb-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 34rem;
}

.ar-bb-brand {
  margin: 0 0 0.75rem;
  font-size: clamp(1.9rem, 4.6vw, 2.95rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--ar-bb-brand);
  animation: ar-bb-rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.ar-bb-hero h1 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.3rem, 2.7vw, 1.7rem);
  font-weight: 650;
  animation: ar-bb-rise 0.9s 0.08s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.ar-bb-hero__lead {
  margin: 0 0 1.5rem;
  color: var(--ar-bb-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  animation: ar-bb-rise 0.9s 0.14s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.ar-bb-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  animation: ar-bb-rise 0.9s 0.2s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* Quick guide */
.ar-bb-guide {
  padding: 0 0 clamp(1.5rem, 3vw, 2rem);
}

.ar-bb-guide__list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ar-bb-guide__list li {
  padding: 0;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--ar-bb-line);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}

.ar-bb-guide__list li.is-featured {
  border-color: rgba(161, 34, 115, 0.35);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 10px 24px rgba(161, 34, 115, 0.1);
}

.ar-bb-guide__list a {
  display: grid;
  gap: 0.2rem;
  padding: 0.95rem 1rem;
  text-decoration: none;
  color: inherit;
}

.ar-bb-guide__list li:hover {
  transform: translateY(-3px);
  border-color: rgba(161, 34, 115, 0.3);
  box-shadow: 0 14px 28px rgba(42, 30, 20, 0.08);
}

.ar-bb-guide__list strong {
  font-size: 0.92rem;
  color: var(--ar-bb-ink);
}

.ar-bb-guide__list span {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ar-bb-brand);
}

/* LTE pick */
.ar-bb-pick {
  padding: clamp(1.5rem, 3vw, 2.5rem) 0 clamp(2.5rem, 5vw, 3.5rem);
}

.ar-bb-pick__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.95fr);
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: center;
  padding: clamp(1.4rem, 3vw, 2rem);
  border-radius: 1.5rem;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.78), rgba(255, 248, 240, 0.55));
  border: 1px solid rgba(161, 34, 115, 0.18);
  box-shadow: 0 18px 40px rgba(42, 30, 20, 0.06);
}

.ar-bb-pick__copy h2 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  letter-spacing: -0.02em;
}

.ar-bb-pick__copy > p {
  margin: 0 0 1rem;
  color: var(--ar-bb-muted);
  line-height: 1.75;
}

.ar-bb-pick__points {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.ar-bb-pick__points li {
  position: relative;
  padding-inline-start: 1.15rem;
  color: var(--ar-bb-ink);
  font-size: 0.95rem;
  line-height: 1.55;
}

.ar-bb-pick__points li::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  top: 0.55em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--ar-bb-brand);
}

.ar-bb-pick__viz {
  min-height: 14rem;
}

.ar-bb-pick__viz .ar-viz {
  height: 100%;
  min-height: 16rem;
}

/* Path stage */
.ar-bb-paths {
  padding: clamp(2.75rem, 6vw, 4.5rem) 0;
}

.ar-bb-stage {
  display: grid;
  grid-template-columns: minmax(15rem, 0.85fr) minmax(0, 1.35fr);
  gap: 1rem;
  align-items: stretch;
}

.ar-bb-stage__nav {
  display: grid;
  gap: 0.55rem;
  align-content: start;
}

.ar-bb-stage__tab {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem;
  align-items: center;
  width: 100%;
  padding: 1rem 1.05rem;
  border-radius: 1.15rem;
  border: 1px solid var(--ar-bb-line);
  background: rgba(255, 255, 255, 0.42);
  color: inherit;
  text-align: start;
  cursor: pointer;
  transition:
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.3s ease,
    background 0.3s ease,
    box-shadow 0.35s ease;
}

.ar-bb-stage__tab:hover,
.ar-bb-stage__tab:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(161, 34, 115, 0.35);
  background: #fff;
  box-shadow: 0 16px 34px rgba(61, 30, 20, 0.08);
}

.ar-bb-stage__tab.is-active,
.ar-bb-stage__tab.is-featured.is-active {
  border-color: rgba(161, 34, 115, 0.45);
  background: #fff;
  box-shadow: 0 18px 36px rgba(161, 34, 115, 0.12);
}

.ar-bb-stage__tab.is-featured:not(.is-active) {
  border-color: rgba(161, 34, 115, 0.22);
}

.ar-bb-stage__step {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 0.65rem;
  background: rgba(161, 34, 115, 0.1);
  color: var(--ar-bb-brand);
  font-size: 0.78rem;
  font-weight: 800;
}

.ar-bb-stage__tab.is-active .ar-bb-stage__step {
  background: linear-gradient(160deg, #c44a95, #A12273);
  color: #fff;
}

.ar-bb-stage__tab-body {
  display: grid;
  gap: 0.15rem;
}

.ar-bb-stage__tab-body em {
  font-style: normal;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ar-bb-gold);
}

.ar-bb-stage__tab-body strong {
  font-size: 0.98rem;
}

.ar-bb-stage__arrow {
  color: var(--ar-bb-brand);
  opacity: 0;
  transform: translateX(4px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.ar-bb-stage__tab.is-active .ar-bb-stage__arrow,
.ar-bb-stage__tab:hover .ar-bb-stage__arrow {
  opacity: 1;
  transform: none;
}

.ar-bb-stage__panels {
  position: relative;
  min-height: 22rem;
}

.ar-bb-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 1rem;
  height: 100%;
  padding: clamp(1.1rem, 2.5vw, 1.5rem);
  border-radius: 1.35rem;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--ar-bb-line);
  animation: ar-bb-panel-in 0.45s ease both;
}

.ar-bb-panel[hidden] {
  display: none !important;
}

.ar-bb-panel__viz {
  min-height: 14rem;
}

.ar-bb-panel__viz .ar-viz {
  height: 100%;
  min-height: 16rem;
}

.ar-bb-panel__copy {
  display: grid;
  align-content: start;
  gap: 0.7rem;
}

.ar-bb-panel__label {
  display: inline-block;
  width: fit-content;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(161, 34, 115, 0.1);
  color: var(--ar-bb-brand);
  font-size: 0.78rem;
  font-weight: 700;
}

.ar-bb-panel__copy h3 {
  margin: 0;
  font-size: clamp(1.25rem, 2.4vw, 1.55rem);
}

.ar-bb-panel__copy > p {
  margin: 0;
  color: var(--ar-bb-muted);
  line-height: 1.7;
}

.ar-bb-panel__go {
  margin: 0 !important;
  padding: 0.65rem 0.8rem;
  border-radius: 0.75rem;
  background: rgba(161, 34, 115, 0.08);
  border: 1px dashed rgba(161, 34, 115, 0.28);
  color: var(--ar-bb-brand) !important;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.55 !important;
}

.ar-bb-panel__points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.ar-bb-panel__points li {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(42, 36, 32, 0.06);
  font-size: 0.8rem;
  font-weight: 650;
}

.ar-bb-panel__copy .ar-bb-btn {
  width: fit-content;
  margin-top: 0.35rem;
}

/* Agents */
.ar-bb-agents {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  background: linear-gradient(180deg, transparent, rgba(232, 221, 210, 0.55));
}

.ar-bb-agents__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.ar-bb-agents__card {
  display: grid;
  gap: 0.45rem;
  padding: 1.25rem 1.35rem;
  border-radius: 1.25rem;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--ar-bb-line);
  text-decoration: none;
  color: inherit;
  transition: transform 0.35s ease, border-color 0.3s ease, box-shadow 0.35s ease;
}

.ar-bb-agents__card:hover,
.ar-bb-agents__card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(161, 34, 115, 0.35);
  box-shadow: 0 18px 36px rgba(42, 30, 20, 0.08);
  color: inherit;
}

.ar-bb-agents__num {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--ar-bb-gold);
}

.ar-bb-agents__card strong {
  font-size: 1.05rem;
}

.ar-bb-agents__card > span {
  color: var(--ar-bb-muted);
  line-height: 1.65;
  font-size: 0.92rem;
}

.ar-bb-agents__card em {
  font-style: normal;
  font-weight: 700;
  color: var(--ar-bb-brand);
  font-size: 0.88rem;
}

/* FAQ */
.ar-bb-faq {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.ar-bb-faq__inner {
  max-width: 42rem;
}

.ar-bb-faq h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.35rem, 2.6vw, 1.7rem);
}

.ar-bb-faq__list {
  display: grid;
  gap: 0.65rem;
}

.ar-bb-faq__item {
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--ar-bb-line);
  padding: 0.15rem 1.1rem;
}

.ar-bb-faq__item summary {
  cursor: pointer;
  padding: 0.95rem 0;
  font-weight: 700;
  list-style: none;
}

.ar-bb-faq__item summary::-webkit-details-marker {
  display: none;
}

.ar-bb-faq__item p {
  margin: 0 0 1rem;
  color: var(--ar-bb-muted);
  line-height: 1.75;
}

/* Close */
.ar-bb-close {
  padding: clamp(2.5rem, 5vw, 4rem) 0 clamp(3.5rem, 7vw, 5.5rem);
}

.ar-bb-close__inner {
  max-width: 36rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: 1.5rem;
  background:
    radial-gradient(ellipse 60% 80% at 100% 0%, rgba(161, 34, 115, 0.12), transparent 55%),
    rgba(255, 255, 255, 0.55);
  border: 1px solid var(--ar-bb-line);
}

.ar-bb-close h2 {
  margin: 0 0 0.55rem;
  font-size: clamp(1.35rem, 2.6vw, 1.7rem);
}

.ar-bb-close p {
  margin: 0 0 1.25rem;
  color: var(--ar-bb-muted);
  line-height: 1.75;
}

/* Reveal */
[data-ar-bb-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-ar-bb-reveal].is-inview {
  opacity: 1;
  transform: none;
}

@keyframes ar-bb-rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes ar-bb-drift {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(-12px, 10px);
  }
}

@keyframes ar-bb-flow {
  to {
    stroke-dashoffset: -160;
  }
}

@keyframes ar-bb-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.55;
  }
}

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

@media (max-width: 980px) {
  .ar-bb-hero__map {
    opacity: 0.28;
    width: min(70vw, 420px);
  }

  .ar-bb-guide__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ar-bb-pick__inner,
  .ar-bb-stage,
  .ar-bb-panel {
    grid-template-columns: 1fr;
  }

  .ar-bb-agents__row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .ar-bb-hero {
    min-height: auto;
  }

  .ar-bb-guide__list {
    grid-template-columns: 1fr;
  }

  .ar-bb-hero__map {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ar-bb-hero__glow,
  .ar-bb-hero__link,
  .ar-bb-hero__node,
  .ar-bb-brand,
  .ar-bb-hero h1,
  .ar-bb-hero__lead,
  .ar-bb-hero__actions,
  .ar-bb-panel,
  [data-ar-bb-reveal] {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}