:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #15181d;
  --muted: #636b75;
  --border: rgba(21, 24, 29, 0.14);
  --shadow: none;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  letter-spacing: -0.01em;
}

.site-header {
  padding: calc(env(safe-area-inset-top, 0px) + 16px) env(safe-area-inset-right, 0px) 8px env(safe-area-inset-left, 0px);
  text-align: center;
  box-sizing: border-box;
}

.site-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-header-main {
  padding:
    calc(env(safe-area-inset-top, 0px) + 14px)
    calc(env(safe-area-inset-right, 0px) + 20px)
    10px
    calc(env(safe-area-inset-left, 0px) + 20px);
  background: transparent;
  box-sizing: border-box;
}

.top-nav {
  width: min(100%, 980px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 18px;
}

.top-nav .nav-link {
  position: static;
}

.top-nav .nav-link:first-child {
  justify-self: start;
}

.top-nav .nav-link:last-child {
  justify-self: end;
}

.home-page .top-nav {
  display: flex;
  justify-content: space-between;
}

.site-logo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.site-logo {
  height: 92px;
  width: auto;
  display: block;
  margin: 0;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 128px 24px 108px;
  text-align: center;
  box-sizing: border-box;
}

.site-shell .container {
  width: 100%;
  flex: 1;
  padding: 56px 24px 40px;
}

.contact-page .container {
  flex: 0 0 auto;
}

.home-container {
  max-width: 980px;
  padding-top: 18px;
  padding-bottom: 28px;
}

.airvis-site-logo {
  height: 56px;
}

.airvis-feature-card {
  aspect-ratio: 16 / 9;
}

.airvis-feature-card .feature-card-icon {
  width: clamp(118px, 33%, 196px);
}

.airvis-info-grid {
  width: min(100%, 780px);
  margin: 18px auto 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.airvis-info-card {
  padding: 24px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
  text-align: left;
}

.airvis-info-card h2 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.airvis-info-card p {
  margin: 0;
}

.airvis-contact-panel {
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

.home-showcase {
  width: min(100%, 780px);
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

.feature-card {
  position: relative;
  display: block;
  border-radius: 22px;
  overflow: hidden;
  aspect-ratio: 5 / 3;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.08);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.feature-card:hover,
.feature-card:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.24);
  outline: none;
}

.feature-card-main-link {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
}

.feature-card-link-cover {
  position: absolute;
  inset: 0;
}

.feature-card-icon {
  position: absolute;
  right: 5%;
  top: calc(50% - 28px);
  transform: translateY(-50%);
  width: clamp(130px, 36%, 220px);
  height: auto;
  border-radius: 22%;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.18));
}

.feature-card-meta {
  position: absolute;
  top: clamp(18px, 5%, 30px);
  left: clamp(20px, 5%, 36px);
  z-index: 2;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.feature-card-text {
  position: absolute;
  bottom: clamp(18px, 5%, 30px);
  left: clamp(20px, 5%, 36px);
  width: 54%;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 2;
  color: var(--text);
  text-align: left;
}

.feature-card-title-link {
  color: inherit;
  text-decoration: none;
  width: fit-content;
  margin-top: -4px;
}

.feature-card-title {
  font-size: clamp(1.5rem, 5vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
}

.feature-card-tagline {
  font-size: 0.88rem;
  color: var(--muted);
  letter-spacing: -0.01em;
}

.feature-card-stores {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 2px;
}

.store-badge {
  font-size: 0.66rem;
  font-weight: 500;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px 9px;
  white-space: nowrap;
}

.store-badge-link {
  position: relative;
  z-index: 3;
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.store-badge-link:hover,
.store-badge-link:focus-visible,
.feature-card-title-link:hover,
.feature-card-title-link:focus-visible {
  color: var(--text);
}

.store-badge-link:hover,
.store-badge-link:focus-visible {
  background: rgba(21, 24, 29, 0.06);
  border-color: rgba(21, 24, 29, 0.22);
  outline: none;
}

h1,
h2 {
  margin: 0 0 16px;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

p {
  margin: 8px 0;
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--muted);
} 

.nav-link {
  text-decoration: none;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-link:hover,
.nav-link:focus-visible {
  opacity: 0.72;
}

.site-footer {
  padding:
    0
    calc(env(safe-area-inset-right, 0px) + 20px)
    calc(env(safe-area-inset-bottom, 0px) + 20px)
    calc(env(safe-area-inset-left, 0px) + 20px);
}

.nav-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin: 0 auto;
}

.nav-bottom .nav-link {
  margin: 0;
}

.contact-container {
  max-width: 760px;
  margin: 0 auto;
  min-height: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12px;
  padding-bottom: 28px;
}

.contact-panel {
  width: min(100%, 560px);
  padding: 30px clamp(20px, 3.5vw, 32px);
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
  text-align: left;
} 

.privacy-container {
  max-width: 920px;
  padding-top: 12px;
  padding-bottom: 32px;
}

.privacy-panel {
  width: min(100%, 760px);
}

.policy-intro,
.policy-body {
  max-width: none;
}

.policy-body {
  margin: 0;
}

.privacy-panel > .policy-body + .policy-section {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.policy-section + .policy-section {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.credits-group {
  margin-top: 22px;
  padding: 0;
  border: 1px solid rgba(21, 24, 29, 0.08);
  border-radius: 18px;
  background: rgba(248, 250, 252, 0.9);
  overflow: hidden;
}

.credits-group + .credits-group {
  margin-top: 20px;
}

.credits-group-header {
  padding: 16px 18px 14px;
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid rgba(21, 24, 29, 0.08);
}

.credits-group-title {
  margin-bottom: 4px;
  font-size: 1.02rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.credits-group-copy {
  color: var(--muted);
  font-size: 0.92rem;
}

.credits-item {
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.78);
}

.credits-item .policy-heading {
  margin-bottom: 10px;
}

.credits-item .policy-body + .policy-body {
  margin-top: 6px;
}

.credits-license-notes {
  margin-top: 28px;
  padding-top: 0;
  border-top: 0;
}

.policy-heading {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.policy-link {
  color: inherit;
}

.policy-date {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
}

.contact-eyebrow {
  margin: 0 0 8px;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-title {
  font-size: clamp(1.55rem, 3.4vw, 2.15rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 500;
}

.contact-intro {
  margin: 12px 0 18px;
  max-width: 26rem;
  font-size: 0.92rem;
}

.privacy-panel .contact-intro {
  max-width: 42rem;
  font-size: 0.98rem;
}

.contact-methods {
  display: grid;
  gap: 8px;
}

.contact-method {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 15px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease;
}

.contact-method:hover,
.contact-method:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(15, 23, 42, 0.15);
  background: var(--surface);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
  outline: none;
}

.contact-label {
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
} 
 
.contact-value {
  font-size: clamp(0.9rem, 2vw, 0.98rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  text-align: right;
  overflow-wrap: anywhere;
}

.discord-section {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.discord-section-label {
  margin-bottom: 10px;
}

.discord-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 15px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease;
}

.discord-card:hover,
.discord-card:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(15, 23, 42, 0.15);
  background: var(--surface);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
  outline: none;
}

.discord-logo-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}

.discord-logo {
  width: 22px;
  height: 22px;
  object-fit: contain;
  display: block;
}

.discord-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.discord-name {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.discord-link {
  font-size: 0.84rem;
  color: var(--muted);
  overflow-wrap: anywhere;
}

@media (max-width: 720px) {
  .site-logo {
    height: 76px;
  }

  .airvis-site-logo {
    height: 46px;
  }

  .site-header-main {
    padding:
      calc(env(safe-area-inset-top, 0px) + 12px)
      calc(env(safe-area-inset-right, 0px) + 16px)
      8px
      calc(env(safe-area-inset-left, 0px) + 16px);
  }

  .top-nav {
    gap: 12px;
  }

  .site-shell .container {
    padding: 44px 20px 32px;
  }

  .home-container {
    padding-top: 12px;
    padding-bottom: 20px;
  }

  .site-footer {
    padding:
      0
      calc(env(safe-area-inset-right, 0px) + 16px)
      calc(env(safe-area-inset-bottom, 0px) + 16px)
      calc(env(safe-area-inset-left, 0px) + 16px);
  }

  .nav-bottom {
    flex-direction: column;
    gap: 10px;
  }

  .contact-container {
    padding-top: 12px;
    padding-bottom: 20px;
  }

  .privacy-container {
    padding-bottom: 24px;
  }

  .contact-panel {
    padding: 24px 18px;
    border-radius: 16px;
  }

  .airvis-feature-card {
    aspect-ratio: auto;
  }

  .airvis-feature-card .feature-card-icon {
    width: clamp(88px, 34vw, 136px);
  }

  .airvis-info-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    aspect-ratio: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 20px 24px;
    gap: 0;
  }

  .feature-card-meta {
    position: static;
    order: 1;
    width: 100%;
    text-align: left;
    margin-bottom: 16px;
  }

  .feature-card-icon {
    position: static;
    order: 2;
    right: auto;
    top: auto;
    transform: none;
    width: clamp(92px, 38vw, 148px);
    border-radius: 22%;
    margin-top: -10px;
    margin-bottom: 20px;
  }

  .feature-card-text {
    position: static;
    order: 3;
    width: 100%;
    bottom: auto;
    left: auto;
  }

  .contact-method {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .contact-value {
    text-align: left;
    word-break: break-word;
  }

  .discord-section {
    margin-top: 16px;
    padding-top: 14px;
  }

  .discord-card {
    align-items: flex-start;
    gap: 12px;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101317;
    --surface: #171b21;
    --text: #f5f7fb;
    --muted: #b0bac5;
    --border: rgba(255, 255, 255, 0.16);
    --shadow: none;
  }

  .site-header-main {
    background: transparent;
  }

  .contact-method {
    background: var(--surface);
  }

  .contact-panel {
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.28);
  }


  .credits-group {
    background: rgba(255, 255, 255, 0.02);
    border-color: rgba(255, 255, 255, 0.12);
  }

  .credits-group-header {
    background: rgba(255, 255, 255, 0.03);
    border-bottom-color: rgba(255, 255, 255, 0.12);
  }

  .credits-item {
    background: transparent;
  }

  .policy-section + .policy-section,
  .policy-date {
    border-top-color: rgba(255, 255, 255, 0.12);
  }

  .discord-card {
    background: var(--surface);
  }

  .contact-method:hover,
  .contact-method:focus-visible {
    background: var(--surface);
    border-color: rgba(255, 255, 255, 0.14);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.24);
  }

  .discord-card:hover,
  .discord-card:focus-visible {
    background: var(--surface);
    border-color: rgba(255, 255, 255, 0.14);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.24);
  }

  .discord-logo-frame {
    background: var(--bg);
  }

  .site-logo {
    filter: invert(1);
  }

  .airvis-site-logo {
    filter: none;
  }

  .feature-card {
    background:
      radial-gradient(ellipse at 75% 50%, rgba(80, 170, 240, 0.12) 0%, transparent 55%),
      linear-gradient(135deg, #07111c 0%, #0c1b2b 100%);
    border-color: transparent;
    box-shadow: 0 10px 36px rgba(0, 0, 0, 0.32);
    color: #f0f6ff;
  }

  .feature-card-text {
    color: #f0f6ff;
  }

  .feature-card-meta {
    color: rgba(200, 225, 255, 0.55);
  }

  .feature-card-tagline {
    color: rgba(200, 225, 255, 0.65);
  }

  .store-badge {
    color: rgba(200, 225, 255, 0.6);
    border-color: rgba(200, 225, 255, 0.2);
  }

  .airvis-info-card {
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.28);
  }

  .airvis-contact-panel {
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.28);
  }
}