:root[data-theme="dark"] {
  --bg-color: #02070d;
  --card-bg: #0b1524;
  --text-color: #edf6ff;
  --text-muted: #9eb8d1;
  --accent-color: #3f8cff;
  --accent-hover: #6aa8ff;
  --border-color: #1a2d46;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

:root[data-theme="light"] {
  --bg-color: #edf5ff;
  --card-bg: #f8fbff;
  --text-color: #08131d;
  --text-muted: #4d6783;
  --accent-color: #1e5ed6;
  --accent-hover: #163ea0;
  --border-color: #c7d9f2;
  --shadow: 0 2px 8px rgba(12, 36, 70, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

body {
  background: var(--bg-color);
  color: var(--text-color);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

  .site-header {
    display: flex;
    justify-content: center;
    width: 100%;
    border-bottom: 1px solid var(--border-color);
    background: rgba(2, 7, 13, 0.4);
    backdrop-filter: blur(6px);
  }

  .header-inner {
    width: min(1100px, calc(100% - 2rem));
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
  }

  .team-badge {
    font-weight: 800;
    font-size: 1.05rem;
    letter-spacing: 0.12em;
    color: var(--accent-color);
    text-transform: uppercase;
  }

  .top-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.6rem;
  }

  .nav-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.4rem;
    padding: 0.45rem 0.9rem;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 700;
    border-radius: 3px;
    transition: all 0.2s ease;
    text-transform: none;
  }

  .nav-button:hover,
  .nav-button:focus-visible {
    border-color: var(--accent-color);
    color: var(--accent-color);
    text-decoration: none;
  }

  .theme-toggle-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.45rem 0.85rem;
    border-radius: 3px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    box-shadow: none;
  }

  .theme-toggle-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
  }

  @media (max-width: 700px) {
    .header-inner {
      flex-wrap: wrap;
      justify-content: center;
      padding: 0.9rem 0;
    }

    .team-badge {
      width: 100%;
      text-align: center;
    }
  }

/* 404 page styles */
body.page-404 {
      font-family: Arial, Helvetica, sans-serif;
      background-color: var(--bg-color);
      color: var(--text-color);
      line-height: 1.6;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    body.page-404 .error-page {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 3rem 1.5rem;
    }

    body.page-404 .error-card {
      width: 100%;
      max-width: 650px;
      background-color: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      box-shadow: var(--shadow);
      padding: 3.5rem 2rem;
    }

    body.page-404 .error-number {
      color: var(--accent-color);
      font-size: 6rem;
      font-weight: 800;
      line-height: 1;
      margin-bottom: 1rem;
    }

    body.page-404 .error-card h1 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 0.75rem;
    }

    body.page-404 .error-card p {
      color: var(--text-muted);
      font-size: 1.05rem;
      margin: 0 auto 1.75rem;
      max-width: 500px;
    }

    body.page-404 .home-link {
      display: inline-block;
      background: var(--accent-color);
      color: #edf6ff;
      text-decoration: none;
      font-weight: 700;
      border-radius: 6px;
      padding: 0.8rem 1.2rem;
    }

    body.page-404 .home-link:hover {
      background: var(--accent-hover);
    }

    body.page-404 footer {
      text-align: center;
      padding: 1.5rem;
      border-top: 1px solid var(--border-color);
      color: var(--text-muted);
      font-size: 0.85rem;
    }

    body.page-404 .ai-notice {
      margin-bottom: 0.25rem;
    }

    @media (max-width: 600px){
      body.page-404 .error-card {
        padding: 2.5rem 1.25rem;
      }

      body.page-404 .error-number {
        font-size: 4.5rem;
      }

      body.page-404 .error-card h1 {
        font-size: 1.65rem;
      }
    }

/* index page styles */
body.page-index {
  font-family: Arial, Helvetica, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  padding-bottom: 4rem;
}

body.page-index .hero {
  text-align: center;
  padding: 4.5rem 1rem 3rem;
  max-width: 850px;
  margin: 0 auto;
}

body.page-index .hero-number {
  display: inline-block;
  background: var(--accent-color);
  color: #edf6ff;
  padding: 0.25rem 0.7rem;
  border-radius: 2px;
  font-size: 0.85rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
  letter-spacing: 0.5px;
}

body.page-index .hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
}

body.page-index .hero p {
  color: var(--text-muted);
  font-size: 1.08rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

body.page-index .hero-intro {
  margin-top: 1rem;
}

body.page-index .ai-notice {
  margin-top: 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--text-muted);
  opacity: 0.9;
}

body.page-index .location-tag {
  margin-top: 0.5rem;
  font-weight: 600;
  color: var(--text-color) !important;
}

body.page-index .container {
  max-width: 1100px;
  margin: 2rem auto 0;
  padding: 0 1.5rem;
}

body.page-index .support-section {
  margin: 1.5rem auto 3rem;
}

body.page-index .donation-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 1.5rem 1.75rem;
}

body.page-index .donation-card p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

body.page-index .donation-card ol {
  color: var(--text-muted);
  margin: 0 0 1rem 1.5rem;
  padding-left: 1rem;
}

body.page-index .donation-link {
  display: inline-block;
  background: var(--accent-color);
  color: #edf6ff;
  text-decoration: none;
  font-weight: 700;
  border-radius: 6px;
  padding: 0.8rem 1.2rem;
}

body.page-index .donation-link:hover {
  background: var(--accent-hover);
}

body.page-index .section-title {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.7rem;
  border-bottom: 2px solid var(--accent-color);
}

body.page-index .team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

body.page-index .member-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

body.page-index .member-card:hover {
  border-color: var(--accent-color);
}

body.page-index .member-img-wrapper {
  width: 100%;
  height: 250px;
  background-color: #101b2c;
  overflow: hidden;
  position: relative;
}

body.page-index .member-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

body.page-index .member-info {
  padding: 1.25rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

body.page-index .member-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

body.page-index .member-role {
  color: var(--accent-color);
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

body.page-index .member-bio {
  color: var(--text-muted);
  font-size: 0.93rem;
}

body.page-index footer {
  text-align: center;
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-muted);
  font-size: 0.85rem;
}

@media (max-width: 600px){
  body.page-index header {
    padding: 1rem;
  }

  body.page-index .hero {
    padding-top: 3rem;
  }

  body.page-index .hero h1 {
    font-size: 2.15rem;
  }

  body.page-index .container {
    padding: 0 1rem;
  }

  body.page-index .team-grid {
    grid-template-columns: 1fr;
  }
}

/* Brand palette preview on the homepage copy */
body.page-index-demo {
  --brand-navy: #0b1524;
  --brand-blue: #3f8cff;
  --brand-orange: #ff8a3d;
  --accent-color: var(--brand-blue);
  --accent-hover: var(--brand-orange);
}

html[data-theme="dark"] body.page-index-demo {
  --bg-color: var(--brand-navy);
  --card-bg: #12243a;
  --border-color: #25415f;
}

body.page-index-demo .hero-number {
  background: var(--brand-orange);
  color: var(--brand-navy);
}

/* notebook page styles */

/* notebook page styles */
body.page-notebook {
      padding-bottom: 4rem;
      background-color: var(--bg-color);
      color: var(--text-color);
      font-family: Arial, Helvetica, sans-serif;
      line-height: 1.6;
    }

    body.page-notebook .hero {
      max-width: 850px;
      margin: 0 auto;
      padding: 4.5rem 1rem 3rem;
      text-align: center;
    }

    body.page-notebook .hero-number {
      display: inline-block;
      margin-bottom: 1.2rem;
      padding: 0.25rem 0.7rem;
      border-radius: 2px;
      background: var(--accent-color);
      color: #edf6ff;
      font-size: 0.85rem;
      font-weight: 800;
      letter-spacing: 0.5px;
    }

    body.page-notebook .hero h1 {
      margin-bottom: 1rem;
      font-size: 3rem;
      font-weight: 800;
      line-height: 1.1;
    }

    body.page-notebook .hero p {
      max-width: 700px;
      margin: 0 auto;
      color: var(--text-muted);
      font-size: 1.08rem;
    }

    body.page-notebook .container {
      max-width: 1100px;
      margin: 2rem auto 0;
      padding: 0 1.5rem;
    }

    body.page-notebook .section-title {
      margin-bottom: 1.25rem;
      padding-bottom: 0.7rem;
      border-bottom: 2px solid var(--accent-color);
      font-size: 1.8rem;
    }

    body.page-notebook .toolbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
      margin-bottom: 0.8rem;
      color: var(--text-muted);
    }

    body.page-notebook a {
      color: var(--accent-color);
      font-weight: 700;
      text-decoration: none;
    }

    body.page-notebook a:hover {
      color: var(--accent-hover);
      text-decoration: underline;
    }

    body.page-notebook iframe {
      display: block;
      width: 100%;
      height: min(78vh, 900px);
      min-height: 400px;
      border: 1px solid var(--border-color);
      border-radius: 3px;
      background: var(--card-bg);
      box-shadow: var(--shadow);
    }

    @media (max-width: 600px){
      body.page-notebook .hero {
        padding-top: 3rem;
      }

      body.page-notebook .hero h1 {
        font-size: 2.15rem;
      }

      body.page-notebook .container {
        padding: 0 1rem;
      }

      body.page-notebook .toolbar {
        align-items: flex-start;
        flex-direction: column;
      }

      body.page-notebook iframe {
        height: 72vh;
        min-height: 360px;
      }
    }

/* programming page styles */
body.page-programming {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  padding-bottom: 4rem;
}

body.page-programming #topbar-placeholder {
  width: 100%;
}

body.page-programming .fallback-topbar {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

body.page-programming .team-badge {
  color: var(--accent-color);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 1px;
}

body.page-programming .theme-toggle-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  background: var(--card-bg);
  color: var(--text-color);
  box-shadow: var(--shadow);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
}

body.page-programming .theme-toggle-btn:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

body.page-programming .hero {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
  text-align: center;
}

body.page-programming .hero-badge {
  display: inline-block;
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--accent-color);
  border-radius: 3px;
  background: color-mix(in srgb, var(--accent-color) 10%, transparent);
  color: var(--accent-color);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

body.page-programming .hero h1 {
  margin-bottom: 1rem;
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.05;
}

body.page-programming .hero p {
  color: var(--text-muted);
  font-size: 1.15rem;
}

body.page-programming .container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

body.page-programming .section {
  margin-top: 2rem;
}

body.page-programming .section-heading {
  margin-bottom: 1.5rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--accent-color);
  font-size: 1.8rem;
  font-weight: 800;
}

body.page-programming .card {
  padding: 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  box-shadow: var(--shadow);
}

body.page-programming .card + .card {
  margin-top: 1rem;
}

body.page-programming .card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
  font-weight: 800;
}

body.page-programming .card p {
  color: var(--text-muted);
}

body.page-programming .card p + p {
  margin-top: 0.9rem;
}

body.page-programming .programming-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

body.page-programming .status {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: var(--accent-color);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.7px;
  text-transform: uppercase;
}

body.page-programming footer {
  max-width: 1100px;
  margin: 5rem auto 0;
  padding: 0 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 700px){
  body.page-programming .hero {
    padding-top: 3rem;
  }

  body.page-programming .hero h1 {
    font-size: 2.4rem;
  }

  body.page-programming .programming-grid {
    grid-template-columns: 1fr;
  }

  body.page-programming .fallback-topbar {
    padding: 1rem;
  }
}

@media (max-width: 450px){
  body.page-programming .hero h1 {
    font-size: 2rem;
  }

  body.page-programming .theme-toggle-btn #themeText {
    display: none;
  }
}

/* strategy page styles */
body.page-strategy {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  padding-bottom: 4rem;
}

body.page-strategy #topbar-placeholder {
  width: 100%;
}

body.page-strategy .fallback-topbar {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

body.page-strategy .team-badge {
  color: var(--accent-color);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 1px;
}

body.page-strategy .theme-toggle-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  background: var(--card-bg);
  color: var(--text-color);
  box-shadow: var(--shadow);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
}

body.page-strategy .theme-toggle-btn:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

body.page-strategy .hero {
  max-width: 800px;
  margin: 0 auto;
  padding: 5rem 1.5rem 3rem;
  text-align: center;
}

body.page-strategy .hero-badge {
  display: inline-block;
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--accent-color);
  border-radius: 3px;
  background: color-mix(in srgb, var(--accent-color) 10%, transparent);
  color: var(--accent-color);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

body.page-strategy .hero h1 {
  margin-bottom: 1rem;
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.05;
}

body.page-strategy .hero p {
  color: var(--text-muted);
  font-size: 1.15rem;
}

body.page-strategy .container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

body.page-strategy .section-heading {
  margin-bottom: 1.5rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--accent-color);
  font-size: 1.8rem;
  font-weight: 800;
}

body.page-strategy .card {
  padding: 2rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  box-shadow: var(--shadow);
  text-align: center;
}

body.page-strategy .card p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

body.page-strategy footer {
  max-width: 1100px;
  margin: 5rem auto 0;
  padding: 0 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 600px){
  body.page-strategy .hero {
    padding-top: 3.5rem;
  }

  body.page-strategy .hero h1 {
    font-size: 2.4rem;
  }

  body.page-strategy .card {
    padding: 1.5rem;
  }
}

@media (max-width: 450px){
  body.page-strategy .theme-toggle-btn #themeText {
    display: none;
  }
}

/* demo page styles */
body.page-demo {
  --demo-navy: #0b1524;
  --demo-cyan: #3f8cff;
  --demo-orange: #ff8a3d;
}

body.page-demo * {
  box-sizing: border-box;
}

body.page-demo {
  margin: 0;
  padding-bottom: 4rem;
  background: var(--bg-color, #02070d);
  color: var(--text-color, #edf6ff);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

body.page-demo .brand-hero,
body.page-demo .brand-kit {
  width: min(100% - 3rem, 1000px);
  margin: 0 auto;
}

body.page-demo .brand-hero {
  padding: 4rem 0 2.5rem;
}

body.page-demo .brand-hero .eyebrow {
  color: var(--demo-orange);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

body.page-demo .brand-hero h1 {
  margin: 0.4rem 0;
  font-size: clamp(2.4rem, 7vw, 4rem);
  line-height: 1.05;
}

body.page-demo .brand-hero p,
body.page-demo .brand-kit > p {
  max-width: 650px;
  color: var(--text-muted, #9eb8d1);
}

body.page-demo .brand-kit h2 {
  margin-bottom: 1rem;
}

body.page-demo .palette {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

body.page-demo .swatch {
  overflow: hidden;
  border: 1px solid var(--border-color, #1a2d46);
  border-radius: 6px;
  background: var(--card-bg, #0b1524);
  box-shadow: var(--shadow, 0 2px 8px rgba(0, 0, 0, 0.25));
}

body.page-demo .swatch-color {
  min-height: 150px;
}

body.page-demo .swatch-navy {
  background: var(--demo-navy);
}

body.page-demo .swatch-blue {
  background: var(--demo-cyan);
}

body.page-demo .swatch-orange {
  background: var(--demo-orange);
}

body.page-demo .swatch-info {
  padding: 1rem;
}

body.page-demo .swatch-info h3 {
  margin: 0;
}

body.page-demo .swatch-info code {
  color: var(--text-muted, #9eb8d1);
}

body.page-demo .brand-application {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  padding: 1.5rem;
  border: 1px solid var(--border-color, #1a2d46);
  border-radius: 6px;
  background: var(--card-bg, #0b1524);
}

body.page-demo .brand-application h2 {
  flex-basis: 100%;
  margin: 0;
}

body.page-demo .brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 4rem;
  min-height: 4rem;
  border-radius: 4px;
  background: var(--demo-navy);
  color: #fff;
  font-weight: 900;
}

body.page-demo .brand-application p {
  flex: 1;
  margin: 0;
  color: var(--text-muted, #9eb8d1);
}

body.page-demo .brand-action {
  display: inline-block;
  padding: 0.75rem 1rem;
  border: 0;
  border-radius: 4px;
  background: var(--demo-cyan);
  color: #fff;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
}

body.page-demo .brand-action:hover {
  background: var(--demo-orange);
  color: var(--demo-navy);
}

@media (max-width: 650px){
  body.page-demo .palette {
    grid-template-columns: 1fr;
  }

  body.page-demo .swatch-color {
    min-height: 110px;
  }
}