*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bt-bg); color: var(--bt-text); font-family: var(--bt-font); line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; }
a { color: var(--bt-primary); }
.bt-container { width: min(1160px, 100% - 2rem); margin-inline: auto; }
.skip-link { position: absolute; inset-inline-start: 0; top: -100px; background: var(--bt-primary); color: #fff; padding: .6rem 1rem; z-index: 100; }
.skip-link:focus { top: 0; }

/* Header */
.bt-header { position: sticky; top: 0; z-index: 50; background: var(--bt-header-bg); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--bt-border); }
.bt-header-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.bt-brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--bt-heading); text-decoration: none; font: 700 1.2rem var(--bt-font-display); letter-spacing: .03em; }
.bt-brand img { width: 44px; height: 44px; object-fit: contain; }
.bt-header-tools { display: flex; align-items: center; gap: .45rem; margin-inline-start: auto; }
.bt-nav { display: flex; align-items: center; justify-content: space-between; flex: 1; gap: 1rem; }
@media (min-width: 961px) {
  .bt-header-tools { order: 3; margin-inline-start: 0; }
  .bt-nav { order: 2; }
}
.bt-nav-main, .bt-account-actions { display: flex; align-items: center; gap: .35rem; }
.bt-nav-main { margin-inline: auto; }
.bt-account-actions { flex-shrink: 0; }
.bt-user-name { max-width: 12rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bt-nav a:not(.bt-btn) { color: var(--bt-muted); text-decoration: none; padding: .5rem .8rem; border-radius: 999px; font-weight: 700; }
.bt-nav a:not(.bt-btn):hover, .bt-nav a.is-active { color: var(--bt-heading); background: var(--bt-surface-2); }
.bt-nav-toggle { display: none; background: var(--bt-surface); border: 1px solid var(--bt-border); color: var(--bt-text); width: 44px; height: 44px; border-radius: var(--bt-radius-sm); font-size: 1.3rem; cursor: pointer; }
@media (max-width: 960px) {
  .bt-nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .bt-nav { position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: .6rem; background: var(--bt-surface); border-bottom: 1px solid var(--bt-border); padding: .75rem 1rem 1rem; display: none; box-shadow: var(--bt-shadow); }
  .bt-nav-main, .bt-account-actions { width: 100%; flex-direction: column; align-items: stretch; gap: .25rem; }
  .bt-nav-main { margin: 0; }
  .bt-account-actions { border-top: 1px solid var(--bt-border); padding-top: .65rem; }
  .bt-nav .bt-user-name { max-width: none; }
  .bt-account-actions .bt-btn { width: 100%; }
  .bt-nav.is-open { display: flex; }
}

/* Centered cinematic hero */
.bt-hero { position: relative; isolation: isolate; min-height: clamp(560px, 82vh, 760px); display: grid; place-items: center; overflow: hidden; text-align: center; color: #F8FAFC; }
.bt-hero-media { position: absolute; inset: 0; z-index: -1; }
.bt-hero-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: 0; transform: scale(1.05); transition: opacity 1.1s ease; }
.bt-hero-media img.is-on { opacity: 1; }
.bt-hero.is-ready .bt-hero-media img.is-on { animation: bt-hero-pan 18s ease-out forwards; }
.bt-hero-media::after { content: ""; position: absolute; inset: 0; background:
  linear-gradient(180deg, rgba(20,20,22,.35) 0%, rgba(20,20,22,.55) 48%, var(--bt-bg) 100%); }
@keyframes bt-hero-pan { to { transform: scale(1.12); } }
.bt-hero-inner { position: relative; width: min(760px, 100% - 2rem); padding: clamp(6.5rem, 14vh, 8.5rem) 0 3.2rem; }
.bt-eyebrow { display: inline-flex; align-items: center; gap: .45rem; color: inherit; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; font-size: .72rem; padding: .35rem .75rem; border-radius: 999px; background: color-mix(in srgb, #fff 14%, transparent); border: 1px solid color-mix(in srgb, #fff 20%, transparent); backdrop-filter: blur(8px); }
.bt-hero h1 { font: 700 clamp(2.1rem, 5vw, 3.6rem)/1.08 var(--bt-font-display); margin: .9rem auto 1rem; max-width: 16ch; color: #fff; }
.bt-hero p.lead { color: #EDEDF0; font-size: 1.08rem; max-width: 38rem; margin-inline: auto; }
.bt-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.6rem; justify-content: center; }
.bt-hero .bt-btn-ghost { border-color: rgba(255,255,255,.4); color: #fff; }
[data-theme="light"] .bt-hero .bt-btn-ghost { border-color: var(--bt-border); color: var(--bt-heading); background: #fff; }
[data-theme="light"] .bt-mood img,
[data-theme="light"] .bt-hero-media img { filter: brightness(1.28) saturate(.78) contrast(.9); }
[data-theme="light"] .bt-hero { color: var(--bt-heading); }
[data-theme="light"] .bt-hero h1 { color: var(--bt-heading); text-shadow: none; }
[data-theme="light"] .bt-hero p.lead { color: var(--bt-text); }
[data-theme="light"] .bt-hero-media::after { background: linear-gradient(180deg, rgba(245,247,252,.42) 0%, rgba(245,247,252,.78) 58%, var(--bt-bg) 100%); }
[data-theme="light"] .bt-eyebrow { background: #fff; border-color: var(--bt-border); color: var(--bt-heading); }

/* Sections */
.bt-section { padding: clamp(2.6rem, 6vw, 4.6rem) 0; }
.bt-section h2 { font: 700 clamp(1.55rem, 3vw, 2.2rem)/1.15 var(--bt-font-display); margin: 0 0 .5rem; color: var(--bt-heading); }
.bt-section .sub { color: var(--bt-muted); margin: 0 0 2rem; max-width: 42rem; }
.bt-center { text-align: center; }
.bt-center-text { margin-inline: auto; }
.bt-kicker { color: var(--bt-primary); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; font-size: .75rem; }
.bt-glyph { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; margin: .4rem auto .75rem; background: color-mix(in srgb, var(--bt-primary) 16%, var(--bt-surface-2)); color: var(--bt-primary); font-size: 1.25rem; }

.bt-trend { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 1.6rem; text-align: start; }
.bt-trend-card { position: relative; overflow: hidden; border-radius: 22px; border: 1px solid var(--bt-border); background: var(--bt-surface); text-decoration: none; color: inherit; box-shadow: var(--bt-shadow); transition: transform .3s var(--bt-ease), border-color .25s; }
.bt-trend-card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--bt-primary) 40%, var(--bt-border)); }
.bt-trend-card .bt-mood { aspect-ratio: 16 / 10; overflow: hidden; }
.bt-trend-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bt-trend-icon { position: absolute; inset-inline-start: 1rem; top: 1rem; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: #fff; color: #111; font-size: 1.15rem; box-shadow: 0 10px 24px -16px rgba(0,0,0,.5); }
.bt-trend-card strong, .bt-trend-card > span:last-child { display: block; padding-inline: 1rem; }
.bt-trend-card strong { margin-top: 1rem; font: 700 1.15rem var(--bt-font-display); color: var(--bt-heading); }
.bt-trend-card > span:last-child { color: var(--bt-muted); padding-bottom: 1.15rem; font-size: .92rem; }
@media (max-width: 767px) { .bt-trend { grid-template-columns: 1fr; } }

.bt-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.15rem; text-align: start; }
.bt-step { padding: 1.4rem 1.35rem; }
.bt-step-num { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: var(--app-gradient); color: #fff; font-weight: 800; margin-bottom: .35rem; }
.bt-step h3 { margin: 0 0 .4rem; font: 700 1.15rem var(--bt-font-display); }
.bt-step p { margin: 0; color: var(--bt-muted); }
@media (max-width: 767px) { .bt-steps { grid-template-columns: 1fr; } }

.bt-device-list { display: grid; gap: .8rem; margin: 1.4rem 0 0; padding: 0; list-style: none; }
.bt-device-list.is-row { grid-template-columns: repeat(3, minmax(0, 1fr)); text-align: start; }
.bt-device-list li { display: flex; gap: .8rem; align-items: flex-start; padding: .9rem 1rem; border-radius: 14px; background: var(--bt-surface); border: 1px solid var(--bt-border); }
.bt-device-list .fa { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--bt-primary) 14%, var(--bt-surface-2)); color: var(--bt-primary); font-size: 1.15rem; }
.bt-device-list strong { display: block; color: var(--bt-heading); }
.bt-device-list span { color: var(--bt-muted); font-size: .92rem; }
@media (max-width: 800px) { .bt-device-list.is-row { grid-template-columns: 1fr; } }

.bt-cta { text-align: center; padding: clamp(2.2rem, 5vw, 3.2rem) 1.5rem; background:
  radial-gradient(80% 120% at 100% 0%, color-mix(in srgb, var(--bt-primary) 18%, transparent), transparent 60%),
  var(--bt-surface); }
.bt-cta h2 { margin-bottom: .5rem; }
.bt-cta p { color: var(--bt-muted); max-width: 40rem; margin: 0 auto; }

/* Footer */
.bt-footer { border-top: 1px solid var(--bt-border); background: var(--bt-surface); padding: 2.4rem 0 1.6rem; color: var(--bt-muted); }
.bt-footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 2rem; align-items: start; }
.bt-footer p { margin: .75rem 0 0; max-width: 34ch; }
.bt-footer h3 { margin: 0 0 .7rem; font: 700 .78rem/1 var(--bt-font); letter-spacing: .1em; text-transform: uppercase; color: var(--bt-heading); }
.bt-footer nav { display: grid; gap: .45rem; }
.bt-footer a { text-decoration: none; color: var(--bt-muted); }
.bt-footer a:hover { color: var(--bt-heading); }
.bt-footer-copy { margin-top: 1.8rem; padding-top: 1.1rem; border-top: 1px solid var(--bt-border); display: flex; flex-wrap: wrap; justify-content: space-between; gap: .8rem; font-size: .85rem; }
@media (max-width: 767px) { .bt-footer-grid { grid-template-columns: 1fr; } }

/* Reveal */
.bt-reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s var(--bt-ease), transform .55s var(--bt-ease); }
.bt-reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .bt-reveal { opacity: 1; transform: none; }
  .bt-hero.is-ready .bt-hero-media img { animation: none; }
  .bt-pack:hover, .bt-trend-card:hover { transform: none; }
}
@media (max-width: 767px) {
  .bt-packs.is-compare { grid-template-columns: 1fr; }
  .bt-pack.is-featured { transform: none; }
}

/* About / FAQ / contact leftovers used on homepage */
.bt-about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: center; }
.bt-about-art { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--bt-radius-lg); border: 1px solid var(--bt-border); box-shadow: var(--bt-shadow); }
.bt-faq-list { display: grid; gap: .75rem; max-width: 760px; margin-inline: auto; text-align: start; }
.bt-faq { padding: 1rem 1.2rem; }
.bt-faq summary { cursor: pointer; font-weight: 800; color: var(--bt-heading); }
.bt-faq summary::marker { color: var(--bt-primary); }
.bt-faq p { margin: .75rem 0 0; color: var(--bt-muted); }
.bt-contact { padding: clamp(1.5rem, 4vw, 2.5rem); display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; }
.bt-contact h2 { margin: .4rem 0; }
.bt-contact p { margin: 0; color: var(--bt-muted); max-width: 42rem; }

.bt-auth { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.bt-auth .bt-card { padding: 1.75rem; }
.bt-auth h2 { font: 700 1.4rem var(--bt-font-display); margin: 0 0 1rem; }
.bt-form-group { margin-bottom: 1rem; }
.bt-form-group label { display: block; font-weight: 700; margin-bottom: .35rem; font-size: .9rem; }
.bt-field-error { color: var(--bt-danger); font-size: .85rem; margin-top: .25rem; }
.bt-lang { color: var(--bt-text); background: var(--bt-surface); border: 1px solid var(--bt-border); border-radius: var(--bt-radius-sm); padding: .45rem .6rem; font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.bt-packs { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; align-items: stretch; text-align: start; }
.bt-packs.is-compare { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 860px; margin-inline: auto; }
.bt-pack { --pack-tone: var(--bt-primary); padding: 1.55rem; display: flex; flex-direction: column; gap: .6rem; position: relative; overflow: hidden; transition: transform .3s var(--bt-ease), border-color .25s, box-shadow .25s; }
.bt-pack::before { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: var(--pack-tone); }
.bt-pack::after { content: ""; position: absolute; width: 160px; height: 160px; border-radius: 50%; inset-inline-end: -50px; top: -50px; background: radial-gradient(circle, color-mix(in srgb, var(--pack-tone) 28%, transparent), transparent 70%); pointer-events: none; }
.bt-pack:hover { transform: translateY(-10px) rotateX(3deg); border-color: color-mix(in srgb, var(--pack-tone) 50%, var(--bt-border)); box-shadow: 0 24px 50px -24px var(--pack-tone); }
.bt-pack.is-featured { border-color: var(--pack-tone); box-shadow: 0 22px 50px -28px var(--pack-tone); transform: scale(1.02); }
.bt-pack-ribbon { position: absolute; inset-inline-end: 1rem; top: 1rem; z-index: 1; }
.bt-pack-head { display: flex; justify-content: space-between; align-items: center; }
.bt-pack-icon { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--pack-tone); color: #fff; font-size: 1.2rem; overflow: hidden; }
.bt-pack-icon img { width: 100%; height: 100%; object-fit: cover; }
.bt-pack h3 { font: 700 1.35rem var(--bt-font-display); margin: .3rem 0 0; color: var(--bt-heading); }
.bt-pack-price { font-size: 1.5rem; font-weight: 800; margin: 0; color: var(--bt-heading); }
.bt-pack-price small { font-size: .85rem; color: var(--bt-muted); font-weight: 600; }
.bt-pack-desc { color: var(--bt-muted); margin: 0; }
.bt-pack ul { list-style: none; padding: 0; margin: .3rem 0 1rem; display: grid; gap: .35rem; flex: 1; }
.bt-pack li .fa { color: var(--bt-success); margin-inline-end: .35rem; }

.bt-account-home { position: relative; }
.bt-account-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.25rem; margin-bottom: 1.5rem; }
.bt-account-heading h1 { margin: .55rem 0 .35rem; color: var(--bt-heading); font: 700 clamp(1.8rem, 4vw, 2.6rem)/1.1 var(--bt-font-display); }
.bt-account-heading p { margin: 0; color: var(--bt-muted); }
.bt-account-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; align-items: stretch; }
.bt-account-info { position: relative; min-width: 0; padding: 1.35rem; overflow: hidden; }
.bt-account-info::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg, var(--bt-primary), var(--bt-accent)); opacity: .8; }
.bt-account-card-icon { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid color-mix(in srgb, var(--bt-primary) 24%, var(--bt-border)); border-radius: 13px; background: color-mix(in srgb, var(--bt-primary) 12%, var(--bt-surface)); color: var(--bt-primary); font-size: 1.1rem; }
.bt-account-info h2 { margin: .9rem 0 .85rem; color: var(--bt-heading); font: 700 1.1rem var(--bt-font-display); }
.bt-account-info dl { display: grid; gap: .65rem; margin: 0; }
.bt-account-info dl > div { display: grid; gap: .12rem; min-width: 0; padding-top: .6rem; border-top: 1px solid var(--bt-border); }
.bt-account-info dt { color: var(--bt-muted); font-size: .76rem; font-weight: 700; }
.bt-account-info dd { margin: 0; color: var(--bt-heading); font-weight: 700; overflow-wrap: anywhere; }
.bt-account-info p { color: var(--bt-muted); }
.bt-account-status { display: inline-flex; align-items: center; gap: .45rem; width: fit-content; margin-bottom: .5rem; padding: .3rem .7rem; border-radius: 999px; font-size: .8rem; font-weight: 800; }
.bt-account-status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.bt-account-status.is-active { color: var(--bt-success); background: color-mix(in srgb, var(--bt-success) 12%, transparent); }
.bt-account-status.is-inactive { color: var(--bt-danger); background: color-mix(in srgb, var(--bt-danger) 12%, transparent); }
.bt-account-status.is-pending { color: var(--bt-warning); background: color-mix(in srgb, var(--bt-warning) 14%, transparent); }
.bt-account-access .bt-btn { margin-top: .35rem; }

.bt-otp-resend { margin-top: .75rem; }
.bt-otp-resend .bt-btn { width: 100%; }
#registration-otp { letter-spacing: .42em; font-size: 1.35rem; font-weight: 800; text-align: center; }
#otp-help { display: block; color: var(--bt-muted); margin-top: .5rem; line-height: 1.5; }
.bt-logout-form { display: inline-flex; align-items: center; margin: 0; }
.bt-nav-link { color: inherit; background: transparent; border: 0; font: inherit; cursor: pointer; padding: .55rem .7rem; }
.bt-nav-link:hover { color: var(--bt-primary); }

[dir="rtl"] body { font-family: "Tajawal", var(--bt-font); }
[dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3 { font-family: "Tajawal", var(--bt-font-display) !important; }

@media (max-width: 767px) {
  .bt-about-grid, .bt-faq-wrap, .bt-auth { grid-template-columns: 1fr; }
  .bt-contact { align-items: flex-start; flex-direction: column; }
  .bt-account-heading { align-items: flex-start; flex-direction: column; }
  .bt-account-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .bt-packs { grid-template-columns: minmax(0, 1fr); }
  .bt-packs.is-compare { grid-template-columns: minmax(0, 1fr); }
  .bt-pack { padding: 1.2rem; }
  .bt-pack.is-featured { transform: none; }
  .bt-pack .bt-btn { width: 100%; }
  .bt-account-cards { grid-template-columns: minmax(0, 1fr); }
  .bt-account-heading > .bt-btn { width: 100%; }
}
.no-js .bt-reveal { opacity: 1; transform: none; }

/* Cinematic storefront refresh */
body {
  background:
    radial-gradient(52rem 34rem at 92% 18%, color-mix(in srgb, var(--bt-primary) 10%, transparent), transparent 70%),
    radial-gradient(44rem 30rem at 2% 48%, color-mix(in srgb, var(--bt-accent) 7%, transparent), transparent 72%),
    var(--bt-bg);
}
.bt-hero {
  min-height: clamp(620px, 84vh, 820px);
  text-align: start;
  background: #080D1B;
}
.bt-hero-media img { object-position: center 42%; }
.bt-hero-media::after {
  background:
    linear-gradient(90deg, rgba(8,13,27,.94) 0%, rgba(8,13,27,.82) 42%, rgba(8,13,27,.3) 100%),
    linear-gradient(180deg, rgba(8,13,27,.12) 0%, rgba(8,13,27,.12) 58%, #080D1B 100%);
}
.bt-hero-inner {
  width: min(1240px, calc(100% - 3rem));
  padding: clamp(5rem, 10vh, 7rem) 0 clamp(5rem, 10vh, 7rem);
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5.5rem);
}
.bt-hero-copy { position: relative; z-index: 2; max-width: 610px; }
.bt-eyebrow { gap: .6rem; padding: .5rem .85rem; }
.bt-live-dot {
  position: relative;
  display: inline-block;
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 50%;
  background: #45D6A0;
  box-shadow: 0 0 14px rgba(69,214,160,.8);
}
.bt-live-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border: 1px solid currentColor;
  border-radius: inherit;
  color: #45D6A0;
  animation: bt-live-pulse 2s ease-out infinite;
}
@keyframes bt-live-pulse {
  0% { transform: scale(.65); opacity: .8; }
  100% { transform: scale(1.7); opacity: 0; }
}
.bt-hero h1 {
  max-width: 13ch;
  margin: 1.35rem 0 1.1rem;
  font-size: clamp(2.7rem, 5.7vw, 5.15rem);
  line-height: 1.02;
  letter-spacing: -.045em;
  text-shadow: 0 8px 40px rgba(0,0,0,.24);
}
.bt-hero p.lead { max-width: 34rem; margin-inline: 0; color: rgba(245,247,252,.78); font-size: clamp(1rem, 1.45vw, 1.16rem); }
.bt-hero .bt-actions { justify-content: flex-start; margin-top: 2rem; }
.bt-hero .bt-btn { min-height: 52px; padding-inline: 1.25rem; }
.bt-hero .bt-btn-primary { background: linear-gradient(120deg, var(--bt-primary), var(--bt-accent)); box-shadow: 0 12px 34px -12px color-mix(in srgb, var(--bt-primary) 78%, transparent); }
.bt-hero .bt-btn-primary .fa { transition: transform .2s var(--bt-ease); }
.bt-hero .bt-btn-primary:hover .fa { transform: translateX(3px); }
.bt-hero .bt-btn-ghost { border-color: rgba(255,255,255,.25); background: rgba(255,255,255,.07); backdrop-filter: blur(12px); }
.bt-hero .bt-btn-ghost:hover { background: rgba(255,255,255,.14); color: #fff; }
.bt-hero-art {
  position: relative;
  min-width: 0;
  min-height: clamp(340px, 39vw, 510px);
  perspective: 1100px;
  isolation: isolate;
}
.bt-hero-art::before {
  content: "";
  position: absolute;
  inset: 14% 9%;
  z-index: -2;
  border-radius: 50%;
  background: radial-gradient(ellipse, color-mix(in srgb, var(--bt-primary) 38%, transparent), transparent 68%);
  filter: blur(24px);
}
.bt-screen-card {
  position: absolute;
  z-index: 1;
  top: 10%;
  left: 12%;
  width: 78%;
  aspect-ratio: 1.31;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 24px;
  background: #111827;
  box-shadow: 0 42px 95px -38px rgba(0,0,0,.9), 0 0 0 7px rgba(255,255,255,.045), inset 0 1px rgba(255,255,255,.25);
  transform: rotateY(-12deg) rotateX(5deg) rotateZ(-2deg);
  animation: bt-screen-float 7s ease-in-out infinite;
}
.bt-screen-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,13,27,.02) 28%, rgba(8,13,27,.83) 100%);
}
.bt-screen-card > img, .bt-art-poster img { display: block; width: 100%; height: 100%; object-fit: cover; }
.bt-screen-glow {
  position: absolute;
  inset: -55% 40% -55% -45%;
  z-index: 1;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.18), transparent);
  transform: rotate(25deg);
  animation: bt-screen-shine 8s ease-in-out infinite;
}
.bt-screen-play {
  position: absolute;
  z-index: 2;
  inset: 50% auto auto 50%;
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  border: 1px solid rgba(255,255,255,.68);
  border-radius: 50%;
  background: rgba(255,255,255,.18);
  color: #fff;
  font-size: 1.15rem;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 36px rgba(255,255,255,.3);
  backdrop-filter: blur(12px);
}
.bt-screen-caption {
  position: absolute;
  z-index: 2;
  inset: auto 1.2rem 1.1rem;
  color: #fff;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .03em;
}
.bt-screen-caption .fa { margin-inline-end: .4rem; color: #45D6A0; }
.bt-art-poster {
  position: absolute;
  z-index: 2;
  width: 31%;
  aspect-ratio: .79;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.36);
  border-radius: 17px;
  background: #172238;
  box-shadow: 0 26px 52px -22px rgba(0,0,0,.85), 0 0 0 5px rgba(255,255,255,.06);
}
.bt-art-poster::after { content: ""; position: absolute; inset: 30% 0 0; background: linear-gradient(180deg, transparent, rgba(8,13,27,.8)); }
.bt-art-poster-one { top: 0; right: 3%; transform: rotateY(-16deg) rotateZ(9deg); animation: bt-poster-float 6s ease-in-out infinite; }
.bt-art-poster-two { bottom: 1%; left: 4%; transform: rotateY(15deg) rotateZ(-9deg); animation: bt-poster-float 7s ease-in-out -2s infinite; }
.bt-art-poster span {
  position: absolute;
  z-index: 1;
  inset: auto .6rem .65rem;
  color: #fff;
  font-size: clamp(.62rem, 1vw, .78rem);
  font-weight: 800;
  text-shadow: 0 1px 5px rgba(0,0,0,.6);
}
.bt-art-live {
  position: absolute;
  z-index: 3;
  right: 0;
  bottom: 13%;
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .75rem .9rem;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 14px;
  background: rgba(13,20,37,.82);
  color: #fff;
  box-shadow: 0 18px 48px -20px rgba(0,0,0,.9);
  backdrop-filter: blur(16px);
  font-size: .78rem;
  font-weight: 800;
}
.bt-live-animation { width: 38px; height: 22px; color: #45D6A0; overflow: visible; }
.bt-live-animation path { stroke-dasharray: 70; stroke-dashoffset: 70; animation: bt-live-draw 2s ease-in-out infinite; }
@keyframes bt-live-draw { 45%, 100% { stroke-dashoffset: 0; } }
.bt-art-orbit { position: absolute; z-index: -1; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; transform: rotate(-24deg); }
.bt-art-orbit-one { inset: 8% 2% 7% 7%; }
.bt-art-orbit-two { inset: 0 10% 12% 0; transform: rotate(27deg) scale(.8); border-style: dashed; opacity: .55; }
@keyframes bt-screen-float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -9px; } }
@keyframes bt-poster-float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -11px; } }
@keyframes bt-screen-shine { 0%, 30% { transform: translateX(-30%) rotate(25deg); opacity: 0; } 45% { opacity: 1; } 65%, 100% { transform: translateX(220%) rotate(25deg); opacity: 0; } }
[data-theme="light"] .bt-hero { color: #F8FAFC; }
[data-theme="light"] .bt-hero h1 { color: #fff; text-shadow: 0 8px 40px rgba(0,0,0,.24); }
[data-theme="light"] .bt-hero p.lead { color: rgba(245,247,252,.78); }
[data-theme="light"] .bt-hero-media img { filter: brightness(.68) saturate(.9); }
[data-theme="light"] .bt-hero-media::after {
  background:
    linear-gradient(90deg, rgba(8,13,27,.94) 0%, rgba(8,13,27,.82) 42%, rgba(8,13,27,.3) 100%),
    linear-gradient(180deg, rgba(8,13,27,.12) 0%, rgba(8,13,27,.12) 58%, #080D1B 100%);
}
[data-theme="light"] .bt-eyebrow { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.2); color: #fff; }
.bt-trend-sec { position: relative; }
.bt-trend-card { transform-style: preserve-3d; }
.bt-trend-card .bt-mood img { transition: transform .7s var(--bt-ease), filter .5s ease; }
.bt-trend-card:hover .bt-mood img { transform: scale(1.07); filter: saturate(1.12); }
.bt-trend-card:nth-child(2) { transition-delay: .08s; }
.bt-trend-card:nth-child(3) { transition-delay: .16s; }
.bt-pack { backdrop-filter: blur(10px); }
.bt-step { transition: transform .25s var(--bt-ease), border-color .25s var(--bt-ease); }
.bt-step:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--bt-primary) 42%, var(--bt-border)); }
@media (max-width: 900px) {
  .bt-hero { min-height: 0; }
  .bt-hero-media::after {
    background:
      linear-gradient(180deg, rgba(8,13,27,.76) 0%, rgba(8,13,27,.86) 48%, #080D1B 100%);
  }
  [data-theme="light"] .bt-hero-media::after {
    background:
      linear-gradient(180deg, rgba(8,13,27,.76) 0%, rgba(8,13,27,.86) 48%, #080D1B 100%);
  }
  .bt-hero-inner { grid-template-columns: 1fr; gap: .5rem; padding: 6rem 0 5rem; }
  .bt-hero-copy { max-width: 700px; }
  .bt-hero h1 { max-width: 15ch; font-size: clamp(2.8rem, 8vw, 4.7rem); }
  .bt-hero-art { width: min(610px, 100%); min-height: clamp(320px, 65vw, 470px); margin-inline: auto; }
  .bt-screen-card { left: 12%; }
}
@media (max-width: 560px) {
  .bt-hero-inner { width: min(500px, calc(100% - 2rem)); padding: 4.5rem 0 3.5rem; }
  .bt-hero h1 { font-size: clamp(2.45rem, 12vw, 3.55rem); }
  .bt-hero .bt-actions { align-items: stretch; flex-direction: column; }
  .bt-hero .bt-actions .bt-btn { width: 100%; }
  .bt-hero-art { min-height: 300px; width: 100%; }
  .bt-screen-card { top: 14%; left: 11%; width: 82%; border-radius: 18px; }
  .bt-art-poster { width: 29%; border-radius: 13px; }
  .bt-art-poster-one { right: 1%; }
  .bt-art-poster-two { left: 0; }
  .bt-art-live { right: 0; bottom: 4%; padding: .6rem .7rem; }
  .bt-screen-play { width: 48px; height: 48px; }
  .bt-screen-caption { inset-inline: .8rem; bottom: .75rem; font-size: .7rem; }
  .bt-trend-card:hover { transform: translateY(-3px); }
}
@media (prefers-reduced-motion: reduce) {
  .bt-live-dot::after, .bt-screen-card, .bt-art-poster, .bt-screen-glow, .bt-live-animation path { animation: none; }
  .bt-screen-glow { display: none; }
  .bt-step:hover, .bt-trend-card:hover .bt-mood img { transform: none; }
}