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

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #292929;
    --accent: #8e97d9;
    --text: #aaa;
    --surface: #000;
    --rnbo_blue: #8e97d9;
    --rnbo_red: #db9292;
    --rnbo_dkblue: #626896;
    --rnbo_yellow: #d9d68e;
    --accent-soft: #ede7ff;
    --border: #e8e8e8;
    --radius: 14px;
    --font: 'Segoe UI', system-ui, sans-serif;
  }

  svg {
    fill: var(--bg);
  }

  .logo-placeholder.light {
    display: none;
  }

  .logo-placeholder.dark {
    background: var(--bg);
  }

  body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
  }

  nav {
    position: sticky;
    top: 0;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    z-index: 100;
  }

  .nav-logo {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.08em;
    color: var(--accent);
  }

  .nav-links {
    display: flex;
    gap: 1.8rem;
  }

  .nav-links a {
    text-decoration: none;
    color: var(--text);
    font-size: 0.9rem;
    transition: color 0.2s;
  }

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

  #welcome_cont {
    min-height: 88vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem 1.5rem 4rem;
  }

  .logo-placeholder {
    width: 50%;
    height: 50%;
    border-radius: 22px;
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 0.05em;
    margin-bottom: 2rem;
    padding: 1rem 2rem;
  }

  #welcome_cont h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    margin-bottom: 0.6rem;
    letter-spacing: -0.02em;
  }

  #welcome_cont h3 {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--muted);
    font-weight: 400;
    margin-bottom: 2.5rem;
    max-width: 420px;
  }

  #get_app {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .store-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.4rem;
    background: var(--rnbo_dkblue);
    color: var(--text);
    border-radius: 12px;
    text-decoration: none;
    font-size: 0.85rem;
    transition: opacity 0.2s, transform 0.15s;
  }

  .store-btn:hover {
    opacity: 0.85;
    transform: translateY(-1px);
  }

  .store-btn svg {
    flex-shrink: 0;
  }

  .store-btn-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .store-btn-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }

  .store-btn-name {
    font-size: 1rem;
    font-weight: 600;
  }

  .section-label {
    text-align: center;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.8rem;
  }

  .section-title {
    text-align: center;
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    font-weight: 700;
    margin-bottom: 3rem;
    letter-spacing: -0.015em;
  }

  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
  }

  .feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.8rem;
  }

  .feature-icon {
    font-size: 1.6rem;
    margin-bottom: 1rem;
  }

  .feature-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
  }

  .feature-card p {
    font-size: 0.9rem;
    color: var(--muted);
  }

  #how-it-works {
    padding: 5rem 1.5rem;
  }

  .steps-container {
    max-width: 720px;
    margin: 0 auto;
  }

  .steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1rem;
  }

  .step {
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.4rem 1.6rem;
  }

  .step-num {
    min-width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
  }

  .step h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
  }

  .step p {
    font-size: 0.9rem;
    color: var(--muted);
  }

  footer {
    border-top: 1px solid var(--border);
    padding: 2rem 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--muted);
  }

  footer a {
    color: var(--muted);
    text-decoration: underline;
  }
  
  #verification-page[hidden], #verfication-home-btn[hidden] {
    display: none !important;
  }

  .verification-page {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 1.5rem 2rem;
  background: rgba(0, 0, 0, 0.45);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.verification-page.active {
  opacity: 1;
  visibility: visible;
}

.verification-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

 .verification-card {
  position: relative;
  z-index: 1;
  width: min(580px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.2rem 2rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
  margin-top: 1rem;
  text-align: center;
  text-align: center;
}

.verification-card h2 {
  margin: 0.5rem 0 1rem;
}

  .verification-logo {
    width: 120px;
    margin: 0 auto 1.25rem;
    display: block;
  }

  .verification-card h2 {
    margin: 0.5rem 0 1rem;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    color: var(--text);
  }

  .verification-card p {
    margin: 0 auto 1.8rem;
    max-width: 460px;
    color: var(--muted);
    line-height: 1.75;
  }

  .verification-card .store-btn {
    justify-content: center;
    margin: 0 auto;
    text-align: center;
  }

  #verification-home-btn {
    justify-content: center;
    width: fit-content;
    margin: 1rem auto 0;
    text-align: center;
  }

  .verification-card .store-btn-text {
    align-items: center;
    text-align: center;
  }
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fefefe;
    --surface: #ffffff;
    --text: #292929;
    --muted: #666;
    --accent: #687aff;
    --accent-soft: #ede7ff;
    --border: #e8e8e8;
    --radius: 14px;
    --font: 'Segoe UI', system-ui, sans-serif;
    --rnbo_blue: #687aff;
    --rnbo_red: #ff6e6e;
    --rnbo_dkblue: #4855b0;
    --rnbo_yellow: #fff968;
  }

  .logo-placeholder.dark {
    display: none;
  }

  svg {
    fill: var(--bg);
  }

  body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
  }

  nav {
    position: sticky;
    top: 0;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    z-index: 100;
  }

  .nav-logo {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.08em;
    color: var(--accent);
  }

  .nav-links {
    display: flex;
    gap: 1.8rem;
  }

  .nav-links a {
    text-decoration: none;
    color: var(--muted);
    font-size: 0.9rem;
    transition: color 0.2s;
  }

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

  #welcome_cont {
    min-height: 88vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem 1.5rem 4rem;
  }

  .logo-placeholder {
    width: 50%;
    height: 50%;
    border-radius: 22px;
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 0.05em;
    margin-bottom: 2rem;
    padding: 1rem 2rem;
  }

  #welcome_cont h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    margin-bottom: 0.6rem;
    letter-spacing: -0.02em;
  }

  #welcome_cont h3 {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--muted);
    font-weight: 400;
    margin-bottom: 2.5rem;
    max-width: 420px;
  }

  #get_app {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .store-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.4rem;
    background: var(--accent);
    color: var(--bg);
    border-radius: 12px;
    text-decoration: none;
    font-size: 0.85rem;
    transition: opacity 0.2s, transform 0.15s;
  }

  .store-btn:hover {
    opacity: 0.85;
    transform: translateY(-1px);
  }

  .store-btn svg {
    flex-shrink: 0;
  }

  .store-btn-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .store-btn-label {
    font-size: 0.7rem;
    opacity: 0.75;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }

  .store-btn-name {
    font-size: 1rem;
    font-weight: 600;
  }

  #features {
    padding: 5rem 1.5rem;
    max-width: 960px;
    margin: 0 auto;
  }

  .section-label {
    text-align: center;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.8rem;
  }

  .section-title {
    text-align: center;
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    font-weight: 700;
    margin-bottom: 3rem;
    letter-spacing: -0.015em;
  }

  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
  }

  .feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.8rem;
  }

  .feature-icon {
    font-size: 1.6rem;
    margin-bottom: 1rem;
  }

  .feature-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
  }

  .feature-card p {
    font-size: 0.9rem;
    color: var(--muted);
  }

  #how-it-works {
    padding: 5rem 1.5rem;
  }

  .steps-container {
    max-width: 720px;
    margin: 0 auto;
  }

  .steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1rem;
  }

  .step {
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.4rem 1.6rem;
  }

  .step-num {
    min-width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
  }

  .step h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
  }

  .step p {
    font-size: 0.9rem;
    color: var(--muted);
  }

  footer {
    border-top: 1px solid var(--border);
    padding: 2rem 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--muted);
  }

  footer a {
    color: var(--muted);
    text-decoration: underline;
  }

  #verification-page[hidden], #verfication-home-btn[hidden] {
    display: none !important;
  }

  .verification-page {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 1.5rem 2rem;
  background: rgba(0, 0, 0, 0.45);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.verification-page.active {
  opacity: 1;
  visibility: visible;
}

.verification-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

.verification-card {
  position: relative;
  z-index: 1;
  width: min(580px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.2rem 2rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
  margin-top: 1rem;
  text-align: center;
}

.verification-card h2 {
  margin: 0.5rem 0 1rem;
  text-align: center;
}

  .verification-logo {
    width: 240px;
    margin: 0 auto 1.25rem;
    display: block;
  }

  .verification-card h2 {
    margin: 0.5rem 0 1rem;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    color: var(--text);
  }

  .verification-card p {
    margin: 0 auto 1.8rem;
    max-width: 460px;
    color: var(--muted);
    line-height: 1.75;
  }

  #verification-home-btn {
    justify-content: center;
    width: fit-content;
    margin: 1rem auto 0;
  }
}