@font-face {
  font-family: 'ThmanyahSans';
  src: url('../assets/fonts/thmanyahsans-Regular.otf') format('opentype');
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'ThmanyahSans';
  src: url('../assets/fonts/thmanyahsans-Medium.otf') format('opentype');
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: 'ThmanyahSans';
  src: url('../assets/fonts/thmanyahsans-Bold.otf') format('opentype');
  font-weight: 700;
  font-display: swap;
}

:root,
[data-theme='light'] {
  color-scheme: light;
  --red: #ce1126;
  --green: #007a3d;
  --green-hover: #006633;
  --ink: #111111;
  --muted: rgb(17 17 17 / 0.58);
  --bg: #ffffff;
  --surface: #f7f7f7;
  --border: rgb(17 17 17 / 0.08);
  --icon-bg: rgb(0 122 61 / 0.1);
  --theme-meta: #ffffff;
}

[data-theme='dark'] {
  color-scheme: dark;
  --ink: #f2f2f2;
  --muted: rgb(242 242 242 / 0.62);
  --bg: #0a0f0c;
  --surface: #141a16;
  --border: rgb(255 255 255 / 0.1);
  --icon-bg: rgb(0 122 61 / 0.18);
  --theme-meta: #0a0f0c;
}

@media (prefers-color-scheme: dark) {
  [data-theme='auto'] {
    color-scheme: dark;
    --ink: #f2f2f2;
    --muted: rgb(242 242 242 / 0.62);
    --bg: #0a0f0c;
    --surface: #141a16;
    --border: rgb(255 255 255 / 0.1);
    --icon-bg: rgb(0 122 61 / 0.18);
    --theme-meta: #0a0f0c;
  }
}

@media (prefers-color-scheme: light) {
  [data-theme='auto'] {
    color-scheme: light;
    --theme-meta: #ffffff;
  }
}

:root {
  --radius: 12px;
  --radius-pill: 999px;
  --font: 'ThmanyahSans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --header-h: 56px;
  --sticky-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --theme-meta: #ffffff;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  line-height: 1.55;
}

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

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

.shell {
  width: min(100% - 2.5rem, 640px);
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.flag-bar {
  height: 3px;
  background: linear-gradient(
    to left,
    var(--red) 25%,
    #fff 25% 50%,
    var(--green) 50% 75%,
    #000 75%
  );
}

/* Icons (Phosphor, self-hosted) */
.icon {
  display: block;
  width: 20px;
  height: 20px;
  background-color: currentColor;
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
}

.icon-download {
  mask-image: url('../assets/icons/download-simple.svg');
  -webkit-mask-image: url('../assets/icons/download-simple.svg');
}

.icon-share {
  mask-image: url('../assets/icons/share-network.svg');
  -webkit-mask-image: url('../assets/icons/share-network.svg');
}

.icon-reply {
  mask-image: url('../assets/icons/chat-circle-dots.svg');
  -webkit-mask-image: url('../assets/icons/chat-circle-dots.svg');
}

.icon-room {
  mask-image: url('../assets/icons/broadcast.svg');
  -webkit-mask-image: url('../assets/icons/broadcast.svg');
}

.icon-check {
  mask-image: url('../assets/icons/check-circle.svg');
  -webkit-mask-image: url('../assets/icons/check-circle.svg');
}

.icon-bell {
  mask-image: url('../assets/icons/bell-ringing.svg');
  -webkit-mask-image: url('../assets/icons/bell-ringing.svg');
}

.icon-android {
  mask-image: url('../assets/icons/android-logo.svg');
  -webkit-mask-image: url('../assets/icons/android-logo.svg');
  width: 16px;
  height: 16px;
  opacity: 0.7;
}

.icon-external {
  mask-image: url('../assets/icons/arrow-square-out.svg');
  -webkit-mask-image: url('../assets/icons/arrow-square-out.svg');
}

.icon-sun {
  mask-image: url('../assets/icons/sun.svg');
  -webkit-mask-image: url('../assets/icons/sun.svg');
}

.icon-moon {
  mask-image: url('../assets/icons/moon.svg');
  -webkit-mask-image: url('../assets/icons/moon.svg');
}

.icon-auto {
  mask-image: url('../assets/icons/device-mobile.svg');
  -webkit-mask-image: url('../assets/icons/device-mobile.svg');
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding-top: env(safe-area-inset-top, 0px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: var(--header-h);
  padding-block: 0.4rem;
}

.header-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 1.2;
}

.header-brand span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex-shrink: 0;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 160ms var(--ease), border-color 160ms var(--ease);
}

.theme-toggle:hover {
  border-color: color-mix(in srgb, var(--green) 35%, var(--border));
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.theme-toggle .icon {
  width: 18px;
  height: 18px;
}

.lang-switch {
  display: inline-flex;
  padding: 2px;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.35rem 0.65rem;
  min-width: 40px;
  min-height: 36px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background 160ms var(--ease), color 160ms var(--ease);
}

.lang-switch button[aria-pressed='true'] {
  background: var(--green);
  color: #fff;
}

.lang-switch button:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

/* Hero */
.hero {
  padding: 2.5rem 0 3rem;
  text-align: center;
}

.brand-lockup {
  margin-bottom: 1.75rem;
}

.brand-logo {
  width: 80px;
  height: 80px;
  margin-inline: auto;
  border-radius: 20px;
}

.brand-name {
  margin: 0.85rem 0 0;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.brand-sub {
  margin: 0.35rem 0 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--green);
  letter-spacing: 0.02em;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.625rem, 5.5vw, 2.25rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
  text-wrap: balance;
  max-width: 18ch;
  margin-inline: auto;
}

.hero-body {
  margin: 0.85rem auto 0;
  max-width: 38ch;
  color: var(--muted);
  font-size: 1.0625rem;
  line-height: 1.55;
  text-wrap: pretty;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.hero-meta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin: 1.25rem 0 0;
  font-size: 0.8125rem;
  color: var(--muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius);
  border: none;
  font: inherit;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background 160ms var(--ease), transform 120ms var(--ease), opacity 160ms var(--ease);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--green);
  color: #fff;
}

.btn-primary:hover {
  background: var(--green-hover);
}

.btn-text {
  min-height: 48px;
  padding: 0.75rem 1rem;
  color: var(--muted);
  font-weight: 500;
  border-radius: var(--radius);
}

.btn-text:hover {
  color: var(--ink);
  background: var(--surface);
}

.btn-block {
  width: 100%;
}

/* Capabilities */
.capabilities {
  padding: 0 0 2.5rem;
}

.cap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--border);
}

.cap-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--border);
  transition: background 180ms var(--ease);
}

.cap-item:hover {
  background: color-mix(in srgb, var(--surface) 55%, transparent);
  margin-inline: -0.75rem;
  padding-inline: 0.75rem;
  border-radius: var(--radius);
  border-bottom-color: transparent;
}

.cap-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: var(--icon-bg);
  color: var(--green);
  flex-shrink: 0;
}

.cap-icon .icon {
  width: 22px;
  height: 22px;
}

.cap-copy h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.cap-copy p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--muted);
  line-height: 1.45;
  max-width: 42ch;
}

/* Install */
.install {
  padding: 0.5rem 0 2.5rem;
}

.install h2 {
  margin: 0 0 1.25rem;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.install-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.install-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
}

.install-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--surface);
  color: var(--green);
  border: 1px solid var(--border);
}

.install-icon .icon {
  width: 18px;
  height: 18px;
}

.install-list strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.install-list p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.45;
}

.install-note {
  margin: 1.35rem 0 0;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--red) 6%, var(--bg));
  border: 1px solid color-mix(in srgb, var(--red) 14%, transparent);
  font-size: 0.8125rem;
  line-height: 1.5;
}

/* Ops link */
.ops {
  padding-bottom: 2.5rem;
}

.ops-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}

.ops-link:hover {
  border-color: color-mix(in srgb, var(--green) 35%, var(--border));
}

.ops-link .icon {
  color: var(--green);
  flex-shrink: 0;
}

.ops-label {
  display: block;
  font-weight: 600;
  font-size: 0.9375rem;
}

.ops-url {
  display: block;
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: 0.1rem;
}

/* Footer */
.site-footer {
  padding: 1.25rem 0 calc(1.5rem + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.75rem;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

/* Sticky mobile download */
.sticky-dl {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 20;
  padding: 0.65rem 1.25rem calc(0.65rem + env(safe-area-inset-bottom, 0px));
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
}

.mobile-only {
  display: block;
}

.desktop-only {
  display: none;
}

main {
  padding-bottom: calc(var(--sticky-h) + 0.5rem);
}

/* Reveal */
.reveal-ready .cap-item,
.reveal-ready .install-list li,
.reveal-ready .ops-link {
  opacity: 0;
  transform: translateY(10px);
  animation: rise 500ms var(--ease) forwards;
}

.reveal-ready .cap-item:nth-child(1) { animation-delay: 0ms; }
.reveal-ready .cap-item:nth-child(2) { animation-delay: 60ms; }
.reveal-ready .cap-item:nth-child(3) { animation-delay: 120ms; }
.reveal-ready .install-list li:nth-child(1) { animation-delay: 0ms; }
.reveal-ready .install-list li:nth-child(2) { animation-delay: 50ms; }
.reveal-ready .install-list li:nth-child(3) { animation-delay: 100ms; }
.reveal-ready .ops-link { animation-delay: 80ms; }

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@media (min-width: 640px) {
  main {
    padding-bottom: 3rem;
  }

  .mobile-only {
    display: none;
  }

  .desktop-only {
    display: flex;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .hero h1 {
    max-width: 16ch;
  }
}

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

  .btn,
  .cap-item,
  .lang-switch button,
  .theme-toggle,
  .ops-link {
    transition: none;
  }

  .reveal-ready .cap-item,
  .reveal-ready .install-list li,
  .reveal-ready .ops-link {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header,
  .sticky-dl {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--bg);
  }
}

@media (max-width: 360px) {
  .header-brand span {
    display: none;
  }

  .lang-switch button {
    min-width: 36px;
    padding-inline: 0.5rem;
  }
}