:root {
  --bg: #07090d;
  --text: #f3f5f8;
  --muted: #93a0b4;
  --line: rgba(255, 255, 255, 0.08);
  --magenta: #ff4d9d;
  --cyan: #3ec8e8;
  --green: #3dd68c;
  --blue: #5eb8ff;
  --mint: #6ee7c5;
  --max: 1120px;
  --font: "Manrope", sans-serif;
  --display: "Syne", sans-serif;
  --radius: 20px;
  --focus: #fff;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font);
  background: radial-gradient(circle at 50% -10%, #14203a 0%, var(--bg) 46%);
  color: var(--text);
  line-height: 1.55;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  z-index: 100;
  background: var(--text);
  color: var(--bg);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 700;
}

.skip-link:focus {
  left: 12px;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  backdrop-filter: blur(14px);
  background: rgba(7, 9, 13, 0.78);
  border-bottom: 1px solid transparent;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-weight: 700;
}

.nav-brand img {
  width: 36px;
  height: 36px;
  mix-blend-mode: screen;
}

.nav-links {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 6px 0;
  background: var(--text);
}

.intro {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 24px 8px;
  text-align: center;
}

.intro-mark {
  width: clamp(140px, 22vw, 200px);
  height: auto;
  aspect-ratio: 1;
  margin: 0 auto 16px;
  mix-blend-mode: screen;
}

.eyebrow {
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

h1,
h2,
h3 {
  font-family: var(--display);
  letter-spacing: -0.04em;
  line-height: 1.12;
}

h1 {
  font-size: clamp(1.7rem, 4.2vw, 2.55rem);
  margin-bottom: 10px;
}

h2 {
  font-size: clamp(1.4rem, 2.8vw, 1.9rem);
  margin-bottom: 8px;
}

h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.lede {
  color: var(--muted);
  max-width: 52ch;
  margin: 0 auto 18px;
  font-size: 1.02rem;
}

.intro .btn {
  margin-top: 4px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
  border: 0;
  cursor: pointer;
  transition: transform var(--transition), opacity var(--transition), border-color var(--transition);
}

.btn-primary {
  background: linear-gradient(90deg, var(--magenta), var(--cyan));
  color: #081018;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.apps {
  max-width: var(--max);
  margin: 0 auto;
  padding: 36px 24px 12px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-items: stretch;
}

.app {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), transform var(--transition);
}

.app:hover {
  transform: translateY(-2px);
}

.app-bitq {
  --accent: var(--magenta);
  --accent-2: var(--cyan);
}

.app-ditcopy {
  --accent: var(--green);
  --accent-2: #7dffb3;
}

.app-timebridge {
  --accent: var(--blue);
  --accent-2: var(--mint);
}

.app-bitq:hover,
.app-ditcopy:hover,
.app-timebridge:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
}

.box {
  width: 100%;
  max-width: 190px;
  margin: 0 auto 6px;
  -webkit-mask-image: radial-gradient(ellipse 70% 72% at 50% 48%, #000 58%, transparent 78%);
  mask-image: radial-gradient(ellipse 70% 72% at 50% 48%, #000 58%, transparent 78%);
}

.app h2 {
  font-size: 1.25rem;
  margin-bottom: 6px;
}

.tag {
  color: var(--text);
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 8px;
}

.app > p {
  color: var(--muted);
  font-size: 0.88rem;
}

.app ul {
  list-style: none;
  margin: 12px 0 4px;
  text-align: left;
  color: var(--muted);
  font-size: 0.84rem;
  flex: 1;
}

.app li {
  padding: 4px 0 4px 16px;
  position: relative;
}

.app li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
}

.app li strong {
  color: var(--text);
  font-weight: 700;
}

.meta {
  margin-top: 10px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.price {
  margin: 8px 0 12px;
  color: var(--text);
  font-family: var(--display);
  font-size: 1.28rem;
}

.price span {
  color: var(--muted);
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 600;
}

.app-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: stretch;
}

.app-actions .btn {
  width: 100%;
}

.app-actions .store-badge {
  align-self: center;
  margin: 4px 0 2px;
}

.store-badge {
  display: inline-flex;
  line-height: 0;
  border-radius: 8px;
  transition: transform var(--transition), opacity var(--transition);
}

.store-badge:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}

.store-badge img {
  height: 48px;
  width: auto;
  image-rendering: auto;
}

.badge-note {
  margin: 8px 0 4px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.app-bitq .btn-primary {
  background: linear-gradient(90deg, var(--magenta), var(--cyan));
}

.app-ditcopy .btn-primary {
  background: linear-gradient(90deg, #1f9d5c, var(--green));
  color: #04150c;
}

.app-timebridge .btn-primary {
  background: linear-gradient(90deg, var(--blue), var(--mint));
  color: #04131a;
}

.section-head {
  text-align: center;
  margin-bottom: 22px;
}

.section-head p:last-child,
.showcase > .section-head + * {
  color: var(--muted);
}

.showcase {
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px 24px 16px;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 18px;
}

.tabs [role="tab"] {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.tabs [role="tab"][aria-selected="true"] {
  color: var(--text);
  border-color: rgba(62, 200, 232, 0.45);
  background: rgba(62, 200, 232, 0.1);
}

.tabs [role="tab"]:hover {
  color: var(--text);
}

.tab-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
  align-items: start;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 16px 16px 28px;
}

.tab-panel[hidden] {
  display: none;
}

.carousel {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.carousel-frame {
  position: relative;
  width: 100%;
  height: min(38vh, 360px);
  min-height: 240px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--frame-accent, var(--magenta)) 55%, transparent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--frame-accent, var(--magenta)) 18%, transparent);
  background: #0a0d14;
  overflow: hidden;
}

#panel-bitq {
  --frame-accent: var(--magenta);
}

#panel-ditcopy {
  --frame-accent: var(--green);
}

#panel-timebridge {
  --frame-accent: var(--blue);
}

.carousel-phone .carousel-frame {
  height: min(58vh, 520px);
  max-width: 260px;
  margin-inline: auto;
}

.carousel-track {
  list-style: none;
  margin: 0;
  padding: 0;
  height: 100%;
}

.carousel-slide {
  height: 100%;
}

.carousel-slide[hidden] {
  display: none;
}

.shot-open {
  width: 100%;
  height: 100%;
  border: 0;
  padding: 10px;
  background: transparent;
  cursor: zoom-in;
  display: flex;
  align-items: center;
  justify-content: center;
}

.shot-open img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  transition: transform 0.35s ease;
}

.shot-open:hover img {
  transform: scale(1.02);
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.carousel-btn {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.carousel-btn:hover {
  border-color: rgba(62, 200, 232, 0.45);
  background: rgba(62, 200, 232, 0.1);
}

.carousel-dots {
  display: flex;
  gap: 8px;
  align-items: center;
}

.carousel-dots button {
  width: 9px;
  height: 9px;
  padding: 0;
  border-radius: 999px;
  border: 0;
  background: rgba(255, 255, 255, 0.28);
  cursor: pointer;
}

.carousel-dots button[aria-selected="true"] {
  background: var(--cyan);
  transform: scale(1.15);
}

.carousel-status {
  margin: 0;
  text-align: center;
  font-size: 0.78rem;
  color: var(--muted);
}

.panel-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}

.panel-box {
  display: block;
  width: min(100%, 260px);
  height: auto;
  margin: 0 0 20px;
  -webkit-mask-image: radial-gradient(ellipse 72% 72% at 50% 48%, #000 56%, transparent 78%);
  mask-image: radial-gradient(ellipse 72% 72% at 50% 48%, #000 56%, transparent 78%);
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.45));
}

.panel-copy p {
  color: var(--muted);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.panel-copy h3 {
  margin: 0 0 10px;
  font-size: 1.35rem;
  line-height: 1.25;
}

.panel-copy .btn {
  margin-top: 4px;
  margin-bottom: 8px;
}

.panel-copy .store-badge {
  margin-top: 4px;
  margin-bottom: 4px;
}

.panel-copy .badge-note {
  margin-bottom: 8px;
}

.studio {
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px 24px 24px;
}

.studio-card {
  max-width: 640px;
  margin: 0 auto;
  padding: 28px 24px 32px;
  text-align: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.studio-mark {
  width: clamp(110px, 18vw, 150px);
  height: auto;
  aspect-ratio: 1;
  margin: 0 auto 12px;
  mix-blend-mode: screen;
}

.studio-card h3 {
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  margin-bottom: 10px;
}

.bang {
  color: var(--magenta);
}

.studio-lede {
  color: var(--muted);
  max-width: 46ch;
  margin: 0 auto 20px;
}

.studio-lede strong {
  color: var(--text);
  font-weight: 700;
}

.studio-apps {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 18px;
}

.studio-apps a {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 700;
  transition: border-color var(--transition), background var(--transition);
}

.studio-apps a:hover {
  border-color: rgba(62, 200, 232, 0.45);
  background: rgba(62, 200, 232, 0.1);
}

.studio-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 6px;
}

.studio-links a {
  color: var(--cyan);
  font-weight: 700;
}

.studio-links a:hover {
  text-decoration: underline;
}

.reviews {
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px 24px 24px;
}

.reviews-list {
  display: grid;
  gap: 28px;
  max-width: 820px;
  margin: 0 auto;
}

.review {
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 3px solid var(--accent, var(--cyan));
}

.review-bitq {
  --accent: var(--magenta);
}

.review-ditcopy {
  --accent: var(--green);
}

.review-timebridge {
  --accent: var(--blue);
}

.review-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin-bottom: 10px;
}

.review-app {
  font-family: var(--display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.review-stars {
  color: var(--accent);
  letter-spacing: 0.08em;
  font-size: 0.9rem;
  line-height: 1;
}

.review blockquote {
  margin: 0;
}

.review blockquote p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

.review-title {
  color: var(--text) !important;
  font-weight: 700;
  margin-bottom: 8px;
}

.review figcaption {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 14px;
  font-size: 0.88rem;
}

.review-author {
  color: var(--text);
  font-weight: 700;
}

.review-source {
  color: var(--cyan);
  font-weight: 600;
}

.review-source:hover {
  text-decoration: underline;
}

.faq {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 16px;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq details {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 16px;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  float: right;
  color: var(--cyan);
}

.faq details[open] summary::after {
  content: "–";
}

.faq details p {
  color: var(--muted);
  margin-top: 10px;
  font-size: 0.92rem;
}

.faq a {
  color: var(--cyan);
  font-weight: 600;
}

.faq a:hover {
  text-decoration: underline;
}

.footer {
  margin-top: 24px;
  border-top: 1px solid var(--line);
  padding: 28px 24px 44px;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  gap: 16px;
  justify-items: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--text);
  text-align: left;
}

.footer-brand img {
  width: 28px;
  height: 28px;
  mix-blend-mode: screen;
}

.footer-brand p {
  color: var(--muted);
  font-size: 0.82rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 18px;
}

.footer-links a:hover {
  color: var(--text);
}

.footer .copy {
  margin: 0;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.92);
  display: grid;
  place-items: center;
  padding: 28px;
}

.lightbox[hidden] {
  display: none;
}

.lightbox img {
  max-width: min(96vw, 1100px);
  max-height: 78vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
}

.lightbox-caption {
  margin-top: 10px;
  color: #d7deea;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

body.lightbox-open {
  overflow: hidden;
}

body.lightbox-open .nav {
  visibility: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 900px) {
  .apps,
  .tab-panel {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 62px;
    right: 16px;
    left: 16px;
    flex-direction: column;
    align-items: flex-start;
    padding: 16px;
    background: #10151d;
    border: 1px solid var(--line);
    border-radius: 14px;
  }

  .nav.open .nav-links {
    display: flex;
  }

  .apps {
    max-width: 420px;
  }

  .carousel-frame {
    height: min(42vh, 300px);
  }

  .carousel-phone .carousel-frame {
    height: min(48vh, 380px);
    max-width: 240px;
  }

  .panel-copy {
    align-items: center;
    text-align: center;
  }

  .panel-box {
    width: min(100%, 200px);
    margin-inline: auto;
  }

  .panel-copy .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .intro,
  .apps,
  .showcase,
  .reviews,
  .faq,
  .studio {
    padding-left: 16px;
    padding-right: 16px;
  }

  .lede {
    font-size: 0.98rem;
  }

  .tabs [role="tab"] {
    flex: 1 1 auto;
    text-align: center;
  }
}