:root {
  --bg: #0b0b0f;
  --surface: #16161d;
  --elevated: #1e1e28;
  --outline: #2a2a36;
  --accent: #7c4dff;
  --accent-bright: #b388ff;
  --pink: #ff2d55;
  --cyan: #00e5ff;
  --amber: #ffab00;
  --text: #f5f5f7;
  --text-secondary: #9a9aa5;
  --radius: 16px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 11, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--outline);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.1rem;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nav a {
  color: var(--text-secondary);
  text-decoration: none;
  margin-left: 24px;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

/* ---------- Hero ---------- */

.hero {
  padding: 80px 0 64px;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% -10%, rgba(124, 77, 255, 0.25), transparent),
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(255, 45, 85, 0.08), transparent);
}

.hero img.app-icon {
  width: 112px;
  height: 112px;
  border-radius: 26px;
  box-shadow: 0 12px 48px rgba(124, 77, 255, 0.35);
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero p.tagline {
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 32px;
}

.cta-button {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--pink));
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  padding: 14px 36px;
  border-radius: 999px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 8px 32px rgba(124, 77, 255, 0.4);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(124, 77, 255, 0.55);
}

.hero .meta-line {
  margin-top: 20px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ---------- Sections ---------- */

section {
  padding: 56px 0;
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  text-align: center;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

/* ---------- Feature grid ---------- */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.feature-card .icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(124, 77, 255, 0.15);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ---------- Screenshot carousel ---------- */

#screenshots .container {
  max-width: 1280px;
}

.carousel-label {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 28px 0 12px;
}

.carousel-label:first-of-type {
  margin-top: 0;
}

.carousel {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}

.carousel-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 8px 4px 20px;
  scrollbar-width: thin;
  scrollbar-color: var(--outline) transparent;
  flex: 1;
}

.carousel-track::-webkit-scrollbar {
  height: 6px;
}

.carousel-track::-webkit-scrollbar-thumb {
  background: var(--outline);
  border-radius: 999px;
}

.carousel-slide {
  flex: 0 0 min(280px, 72vw);
  scroll-snap-align: center;
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0;
}

.carousel-slide img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 9 / 20;
  object-fit: cover;
  background: #000;
}

.carousel-slide-wide {
  flex-basis: min(560px, 88vw);
}

.carousel-slide-wide img {
  aspect-ratio: 8 / 5;
}

.carousel-btn {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--outline);
  background: var(--surface);
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}

.carousel-btn:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 4px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--outline);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s, transform 0.2s;
}

.carousel-dot.active {
  background: var(--accent-bright);
  transform: scale(1.25);
}

@media (max-width: 560px) {
  .carousel-btn {
    display: none;
  }
}

/* ---------- FAQ ---------- */

.faq-item {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 14px;
}

.faq-item h3 {
  font-size: 1.02rem;
  margin-bottom: 6px;
}

.faq-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ---------- Privacy policy ---------- */

.policy {
  padding: 56px 0 72px;
  background:
    radial-gradient(ellipse 60% 50% at 50% -10%, rgba(124, 77, 255, 0.25), transparent),
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(255, 45, 85, 0.08), transparent);
}

.policy header.page-head {
  margin-bottom: 40px;
}

.policy h1 {
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.meta-card {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: 12px;
  padding: 14px 18px;
}

.meta-card .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.meta-card .value {
  font-weight: 600;
  margin-top: 2px;
}

.policy h2 {
  font-size: 1.35rem;
  margin: 44px 0 14px;
  padding-top: 8px;
}

.policy h3 {
  font-size: 1.05rem;
  margin: 26px 0 8px;
}

.policy p,
.policy li {
  color: #c9c9d2;
  font-size: 0.98rem;
}

.policy ul {
  padding-left: 22px;
  margin: 10px 0;
}

.policy li {
  margin-bottom: 6px;
}

.policy a {
  color: var(--accent-bright);
  text-decoration: none;
}

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

.policy strong {
  color: var(--text);
}

.contact-box {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-top: 16px;
}

.contact-box p {
  margin-bottom: 6px;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--outline);
  padding: 32px 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--accent-bright);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.site-footer .disclaimer {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  opacity: 0.75;
}

/* ---------- Open Source / Table / Badges ---------- */

.table-wrapper {
  overflow-x: auto;
  margin: 20px 0;
  border-radius: var(--radius);
  border: 1px solid var(--outline);
  background: var(--surface);
}

.license-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.license-table th,
.license-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--outline);
}

.license-table th {
  background: var(--elevated);
  font-weight: 600;
  color: var(--text);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.license-table tr:last-child td {
  border-bottom: none;
}

.license-table td {
  color: #c9c9d2;
}

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.badge-lgpl {
  background: rgba(0, 229, 255, 0.15);
  color: var(--cyan);
  border: 1px solid rgba(0, 229, 255, 0.3);
}

.badge-bsd {
  background: rgba(179, 136, 255, 0.15);
  color: var(--accent-bright);
  border: 1px solid rgba(179, 136, 255, 0.3);
}

.action-card {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  padding: 24px;
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 640px) {
  .action-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.action-card-text h3 {
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.action-card-text p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.download-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--pink));
  color: #ffffff !important;
  text-decoration: none !important;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: 999px;
  white-space: nowrap;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 6px 24px rgba(124, 77, 255, 0.4);
}

.download-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124, 77, 255, 0.6);
  color: #ffffff !important;
}

.code-box {
  background: var(--elevated);
  border: 1px solid var(--outline);
  border-radius: 10px;
  padding: 14px 18px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.88rem;
  color: #e0e0e8;
  overflow-x: auto;
  margin: 12px 0;
}

details.license-details {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: 12px;
  padding: 14px 18px;
  margin-bottom: 12px;
}

details.license-details summary {
  font-weight: 600;
  cursor: pointer;
  color: var(--text);
  user-select: none;
}

details.license-details[open] summary {
  margin-bottom: 12px;
  color: var(--cyan);
}

details.license-details pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.82rem;
  color: #a8a8b6;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.5;
  background: var(--elevated);
  padding: 14px;
  border-radius: 8px;
  border: 1px solid var(--outline);
}

@media (max-width: 560px) {
  .nav a {
    margin-left: 16px;
    font-size: 0.88rem;
  }

  .hero {
    padding: 56px 0 44px;
  }
}