.bird-sep {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 0.95rem;
  height: 0.95rem;
  margin: 0 0.15rem;
  vertical-align: -0.12em;
  color: var(--accent);
}

.bird-sep svg {
  width: 100%;
  height: 100%;
}

.app-hero {
  display: grid;
  grid-template-columns: 1fr;
  flex: 1;
  gap: 1.25rem;
  align-items: center;
  align-content: center;
  padding: 0 0 0.5rem;
}

.app-hero__copy {
  max-width: 34rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 1rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted-foreground);
  background: rgba(31, 42, 28, 0.7);
}

.app-hero h1 {
  margin: 0 0 0.6rem;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.app-hero h1 em {
  font-style: italic;
  color: var(--primary);
}

.app-hero__lede,
.app-hero p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--muted-foreground);
}

.feature-list {
  display: grid;
  gap: 0.45rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--foreground);
}

.feature-list svg {
  flex-shrink: 0;
  margin-top: 0.15rem;
  color: var(--accent);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.store-row {
  display: grid;
  grid-template-columns: minmax(13rem, 1.28fr) minmax(13rem, 1.28fr);
  gap: 0.75rem;
  width: 100%;
  max-width: 36rem;
}

.store-btn,
.web-btn {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.55rem;
  min-height: 2.65rem;
  padding: 0.55rem 0.8rem;
  border-radius: 0.85rem;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

.store-btn {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(31, 42, 28, 0.85);
  color: var(--muted-foreground);
  cursor: not-allowed;
  opacity: 0.72;
}

.store-btn--active {
  color: var(--foreground);
  cursor: pointer;
  opacity: 1;
  border-color: rgba(95, 148, 112, 0.45);
  background: rgba(31, 42, 28, 0.95);
}

.store-btn--active:hover {
  transform: translateY(-1px);
  border-color: rgba(95, 148, 112, 0.65);
  background: rgba(38, 52, 34, 0.98);
}

.store-btn--active svg {
  opacity: 1;
}

.store-btn svg {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  opacity: 0.7;
}

.store-btn__text {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  line-height: 1.15;
  text-align: left;
  white-space: nowrap;
  flex: 1 1 auto;
  min-width: 0;
}

.store-btn__text small {
  font-size: 0.68rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.coming-soon {
  margin-left: auto;
  flex: 0 0 auto;
  padding: 0.12rem 0.38rem;
  border-radius: 999px;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  background: var(--muted);
  white-space: nowrap;
}

.store-btn__badge {
  margin-left: auto;
  flex: 0 0 auto;
  padding: 0.12rem 0.38rem;
  border-radius: 999px;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--primary-foreground);
  background: rgba(95, 148, 112, 0.85);
  white-space: nowrap;
}

.web-btn-wrap {
  position: relative;
  width: 100%;
  max-width: 36rem;
}

.web-btn__beta-tag {
  position: absolute;
  top: -0.65rem;
  left: 0.75rem;
  z-index: 1;
  padding: 0.22rem 0.62rem;
  border: 1px solid rgba(200, 137, 58, 0.5);
  border-radius: 0.4rem;
  background: var(--card);
  box-shadow:
    0 2px 10px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(238, 232, 212, 0.06);
  font-family: var(--font-serif);
  font-size: 0.84rem;
  font-style: italic;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--accent);
  transform: rotate(-5deg);
  transform-origin: left center;
  pointer-events: none;
}

.web-btn {
  width: 100%;
  max-width: none;
  justify-content: center;
  border: 1px solid rgba(95, 148, 112, 0.55);
  background: var(--primary);
  color: var(--primary-foreground);
}

.web-btn:hover {
  transform: translateY(-1px);
  background: #6ba17c;
}

.web-btn svg {
  width: 1.1rem;
  height: 1.1rem;
}

.phones {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: clamp(1rem, 3vw, 2rem);
  perspective: 1200px;
  width: 100%;
  min-width: 0;
}

.phone {
  position: relative;
  flex-shrink: 0;
}

.phone--iphone {
  width: min(275px, 42vw);
  transform: rotate(-4deg);
}

.phone--android {
  width: min(265px, 40vw);
  transform: rotate(3deg) translateY(12px);
}

.phone-shell {
  position: relative;
  padding: 10px;
  border-radius: 2.4rem;
  background: linear-gradient(160deg, #454545, #121212);
  box-shadow:
    0 28px 70px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.phone--android .phone-shell {
  border-radius: 1.85rem;
  padding: 8px;
}

.phone-screen {
  container-type: inline-size;
  position: relative;
  overflow: hidden;
  border-radius: 1.85rem;
  background: var(--background);
  width: 100%;
  aspect-ratio: 375 / 812;
}

.phone--android .phone-screen {
  border-radius: 1.45rem;
}

.phone-notch {
  position: absolute;
  top: 18px;
  left: 50%;
  z-index: 2;
  width: 34%;
  height: 16px;
  border-radius: 999px;
  background: #111;
  transform: translateX(-50%);
}

.phone-camera {
  position: absolute;
  top: 16px;
  left: 50%;
  z-index: 2;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #222;
  box-shadow: inset 0 0 0 2px #333;
  transform: translateX(-50%);
}

.mock-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: var(--mock-width);
  height: var(--mock-height);
  transform: scale(clamp(0.55, calc(100cqw / var(--mock-width)), 1.2));
  transform-origin: top left;
  display: flex;
  flex-direction: column;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px 12px;
  border-bottom: 1px solid var(--border);
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-brand-name,
.app-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.app-title {
  font-size: 18px;
}

.app-header-icons {
  display: flex;
  gap: 4px;
}

.app-header-icons span {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  background: rgba(138, 158, 130, 0.14);
}

.app-header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}

.app-header-action {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  color: var(--muted-foreground);
}

.app-header-action svg {
  width: 18px;
  height: 18px;
}

.app-search {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 12px 16px 0;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  color: var(--muted-foreground);
  font-size: 14px;
}

.app-search svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.app-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
}

.app-pill-filter {
  display: grid;
  place-items: center;
  margin-left: auto;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  color: var(--muted-foreground);
}

.app-pill-filter svg {
  width: 13px;
  height: 13px;
}

.app-pill {
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  color: var(--muted-foreground);
  font-size: 12px;
  text-transform: capitalize;
}

.app-pill--active {
  border-color: transparent;
  background: var(--primary);
  color: var(--primary-foreground);
  font-weight: 500;
}

.app-card {
  margin: 0 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
}

.app-feed-list {
  display: grid;
  gap: 16px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  padding-bottom: 8px;
}

.app-card--peek {
  margin-bottom: 0;
  max-height: 120px;
}

.app-card-photo {
  position: relative;
  height: 192px;
  background-position: center;
  background-size: cover;
  background-color: var(--muted);
}

.app-card-photo--cardinal {
  background-image: url("https://inaturalist-open-data.s3.amazonaws.com/photos/189434971/medium.jpg");
}

.app-card-photo--robin {
  background-image: url("https://inaturalist-open-data.s3.amazonaws.com/photos/34859026/medium.jpg");
}

.app-card-photo--cardinal {
  background-image: url("https://inaturalist-open-data.s3.amazonaws.com/photos/189434971/medium.jpg");
}

.app-card-photo--robin {
  background-image: url("https://inaturalist-open-data.s3.amazonaws.com/photos/34859026/medium.jpg");
}

.app-card-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(31, 42, 28, 0.95), rgba(31, 42, 28, 0.2) 45%, transparent);
}

.app-card-overlay {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
}

.app-card-overlay h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.15;
}

.app-sci {
  margin: 2px 0 0;
  font-family: var(--font-serif);
  font-size: 11px;
  font-style: italic;
}

.app-card-overlay .app-sci {
  color: rgba(238, 232, 212, 0.6);
}

.app-card-badges {
  display: grid;
  gap: 6px;
  justify-items: end;
}

.app-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
}

.app-rarity {
  padding: 2px 6px;
  border: 1px solid;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-rarity--common {
  border-color: rgba(22, 101, 52, 0.5);
  color: #86efac;
  background: rgba(20, 83, 45, 0.35);
}

.app-rarity--uncommon {
  border-color: rgba(146, 64, 14, 0.5);
  color: #fbbf24;
  background: rgba(120, 53, 15, 0.35);
}

.app-rarity--rare {
  border-color: rgba(107, 33, 168, 0.5);
  color: #c084fc;
  background: rgba(88, 28, 135, 0.35);
}

.app-card-content {
  padding: 12px 16px 8px;
}

.app-card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.app-user {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted-foreground);
}

.app-avatar {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
}

.app-location {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--muted-foreground);
}

.app-location svg {
  width: 10px;
  height: 10px;
  color: var(--accent);
}

.app-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.45;
  color: rgba(238, 232, 212, 0.82);
}

.app-time {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(138, 158, 130, 0.5);
}

.app-card-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}

.app-action--more {
  margin-left: auto;
}

.app-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted-foreground);
}

.app-action svg {
  width: 14px;
  height: 14px;
}

.app-action--liked {
  color: #f87171;
}

.app-progress {
  margin: 12px 16px 0;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
}

.app-progress-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--muted-foreground);
}

.app-progress-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
}

.app-progress-track {
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--muted);
}

.app-progress-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--primary);
}

.mock-canvas--guide {
  overflow: hidden;
}

.mock-canvas--guide .app-guide-grid {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  align-content: start;
}

.mock-canvas--guide .app-tabbar {
  flex-shrink: 0;
}

.app-guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 12px 16px 0;
}

.app-guide-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  padding-bottom: 10px;
}

.app-guide-photo {
  position: relative;
  height: 112px;
  background-position: center;
  background-size: cover;
  background-color: var(--muted);
}

.app-guide-photo--robin {
  background-image: url("https://inaturalist-open-data.s3.amazonaws.com/photos/34859026/medium.jpg");
}

.app-guide-photo--jay {
  background-image: url("https://inaturalist-open-data.s3.amazonaws.com/photos/530721418/medium.jpg");
}

.app-guide-photo--hawk {
  background-image: url("https://inaturalist-open-data.s3.amazonaws.com/photos/236676280/medium.jpg");
}

.app-guide-photo--owl {
  background-image: url("https://inaturalist-open-data.s3.amazonaws.com/photos/359094470/medium.jpg");
}

.app-logged {
  position: absolute;
  top: 8px;
  right: 8px;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  color: var(--primary-foreground);
  background: var(--primary);
}

.app-logged svg {
  width: 10px;
  height: 10px;
}

.app-guide-card h3 {
  margin: 0;
  padding: 10px 10px 0;
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.15;
}

.app-guide-card .app-sci {
  padding: 0 10px;
  font-size: 10px;
  color: var(--muted-foreground);
}

.app-family {
  margin: 0;
  padding: 4px 10px 6px;
  font-size: 10px;
  line-height: 1.3;
  color: rgba(138, 158, 130, 0.8);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.app-guide-card .app-rarity {
  margin: 0 10px;
}

.app-tabbar {
  display: flex;
  align-items: flex-end;
  margin-top: auto;
  padding: 8px 6px 10px;
  border-top: 1px solid var(--border);
  background: var(--card);
}

.app-tab {
  flex: 1;
  display: grid;
  justify-items: center;
  gap: 4px;
  padding-bottom: 6px;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
  line-height: 1.1;
}

.app-tab svg {
  width: 18px;
  height: 18px;
}

.app-tab--active {
  color: var(--primary);
  position: relative;
}

.app-tab--active::after {
  content: "";
  position: absolute;
  bottom: 0;
  width: 24px;
  height: 2px;
  border-radius: 999px 999px 0 0;
  background: var(--primary);
}

.app-tab-camera {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin: -32px 4px 0;
  border: 5px solid var(--background);
  border-radius: 999px;
  color: var(--primary-foreground);
  background: var(--primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

.app-tab-camera svg {
  width: 28px;
  height: 28px;
}

.burd-logo-mark {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--primary);
  color: var(--primary-foreground);
  flex-shrink: 0;
}

.burd-logo-mark svg {
  width: 14px;
  height: 14px;
}

.burd-logo-mark--sm {
  width: 28px;
  height: 28px;
}

.app-home {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: calc(var(--nav-height) + 0.5rem) 1.5rem 0;
  box-sizing: border-box;
}

.about {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: auto;
  padding: clamp(1rem, 2.5vw, 1.35rem) 0 clamp(0.85rem, 2vw, 1.1rem);
  border-top: 1px solid var(--border);
  text-align: left;
}

.about__copy {
  min-width: 0;
}

.about h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font-serif);
  font-size: clamp(1.45rem, 2.8vw, 1.85rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.about p {
  margin: 0;
  max-width: 36rem;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--muted-foreground);
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.75rem, 2vw, 1.5rem);
  margin: 0;
}

.about__stat {
  min-width: 0;
}

.about__stat-value {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 3.2vw, 2.15rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--foreground);
}

.about__stat-label {
  margin: 0.35rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted-foreground) 88%, transparent);
}

@media (min-width: 768px) {
  .about {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: center;
  }

  .about__stats {
    justify-self: end;
    width: min(100%, 22rem);
  }
}

@media (min-width: 900px) {
  .app-hero {
    grid-template-columns: 1fr minmax(0, 1fr);
    gap: clamp(1rem, 2vw, 1.5rem);
    align-items: center;
  }

  .app-hero__copy {
    position: relative;
    z-index: 1;
  }

  .phones {
    justify-content: flex-end;
    justify-self: end;
    align-self: center;
    width: fit-content;
    max-width: 100%;
    margin-left: auto;
    margin-right: 0;
    translate: 0;
  }

  .phone--iphone {
    width: min(220px, 100%);
  }

  .phone--android {
    width: min(210px, 100%);
    transform: rotate(3deg) translateY(8px);
  }
}

@media (min-width: 1200px) {
  .app-hero {
    grid-template-columns: 1fr 1.05fr;
    gap: clamp(1.25rem, 2.5vw, 2rem);
  }

  .phone--iphone {
    width: min(250px, 38vw);
  }

  .phone--android {
    width: min(240px, 36vw);
    transform: rotate(3deg) translateY(10px);
  }

  .phones {
    margin-right: calc(-1 * clamp(1rem, 3vw, 2rem));
    translate: clamp(1.25rem, 2.5vw, 2.5rem) 0;
  }
}

@media (max-height: 860px) and (min-width: 900px) {
  .app-hero h1 {
    font-size: clamp(1.85rem, 3.5vw, 2.5rem);
  }

  .app-hero__lede,
  .app-hero p {
    margin-bottom: 0.75rem;
    font-size: 0.92rem;
  }

  .feature-list {
    gap: 0.35rem;
    margin-bottom: 0.75rem;
  }

  .feature-list li {
    font-size: 0.85rem;
  }

  .about {
    padding-block: 0.85rem;
  }

  .about h2 {
    font-size: clamp(1.25rem, 2.2vw, 1.5rem);
    margin-bottom: 0.5rem;
  }

  .about p {
    font-size: 0.85rem;
    line-height: 1.5;
  }

  .about__stat-value {
    font-size: clamp(1.4rem, 2.5vw, 1.75rem);
  }

  .about__stat-label {
    margin-top: 0.25rem;
    font-size: 0.58rem;
  }

  .phone--iphone {
    width: min(200px, 100%);
  }

  .phone--android {
    width: min(190px, 100%);
  }
}

@media (max-width: 640px) {
  .phones {
    flex-direction: row;
    align-items: flex-end;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 0.25rem;
  }

  .phone--iphone,
  .phone--android {
    width: min(42vw, 168px);
    transform: none;
  }

  .phone--android {
    translate: 0;
    transform: translateY(6px);
  }

  .cta-row {
    flex-direction: column;
  }

  .store-row {
    grid-template-columns: 1fr;
    max-width: none;
  }

  .web-btn-wrap {
    max-width: none;
  }

  .store-btn,
  .web-btn {
    width: 100%;
    max-width: none;
  }
}