:root {
    color-scheme: light;
    --text: #1e2433;
    --muted: #4d5e7a;
    --line: #d2dcf0;
    --line-strong: #becbe6;
    --bg: #e7edf8;
    --card: #ffffff;
    --accent: #1854b4;
    --accent-strong: #0f3e8b;
    --accent-soft: rgba(24, 84, 180, 0.12);
    --shadow: 0 12px 30px rgba(18, 34, 66, 0.1);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Poppins", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background:
      radial-gradient(1100px 520px at 8% -8%, rgba(24, 84, 180, 0.18), transparent 55%),
      radial-gradient(900px 500px at 100% 0%, rgba(236, 24, 57, 0.12), transparent 48%),
      linear-gradient(180deg, #eef3ff 0%, #e3eaf7 100%);
    min-height: 100vh;
}

.project-page {
    max-width: 1060px;
    margin: 0 auto;
    padding: 28px 18px 56px;
}

.project-nav {
    display: inline-flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    padding: 8px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.78);
    box-shadow: 0 8px 20px rgba(18, 34, 66, 0.08);
    backdrop-filter: blur(6px);
}

  .project-nav a {
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.88rem;
    transition: background 0.2s ease, color 0.2s ease;
}

  .project-nav a:hover {
    background: var(--accent-soft);
    color: var(--accent);
}

.project-header,
.project-section {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 18px;
    box-shadow: var(--shadow);
  }

  .project-header {
    position: relative;
    overflow: hidden;
    border-top: 4px solid var(--accent);
  }

  .project-header::after {
    content: "";
    position: absolute;
    top: -90px;
    right: -70px;
    width: 180px;
    height: 180px;
    border-radius: 999px;
    background: radial-gradient(circle at center, rgba(24, 84, 180, 0.15), transparent 65%);
    pointer-events: none;
  }

  .project-kicker {
    margin: 0 0 8px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent);
}

.project-header h1 {
    margin-top: 0;
    margin-bottom: 10px;
    line-height: 1.25;
    font-size: clamp(1.7rem, 2.7vw, 2.25rem);
  }

  .project-summary {
    margin: 0;
    color: var(--muted);
    max-width: 74ch;
  }

  .project-header-actions {
    margin-top: 18px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
  }

  .github-link,
  .back-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  }

  .github-link {
    background: var(--accent);
    color: #ffffff;
  }

  .github-link:hover {
    background: var(--accent-strong);
    transform: translateY(-1px);
  }

  .back-link {
    background: #f2f6ff;
    color: var(--text);
    border-color: var(--line-strong);
  }

  .back-link:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.project-section h2 {
    margin: 0 0 14px;
    font-size: 1.35rem;
    letter-spacing: 0.01em;
}

.project-section h3 {
    margin: 0 0 10px;
    font-size: 1.05rem;
}

  .project-tech-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .project-tech-chip {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-soft);
    border: 1px solid rgba(24, 84, 180, 0.28);
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

  .project-shot {
    margin: 0;
    background: #f6f9ff;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 10px;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  }

  .project-shot:hover {
    transform: translateY(-3px);
    border-color: #b7c7e6;
    box-shadow: 0 10px 20px rgba(17, 34, 66, 0.09);
}

figure img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid #c7d4ec;
    background: #ffffff;
    transition: transform 0.3s ease;
  }

  .project-shot:hover img {
    transform: scale(1.02);
}

figcaption {
    margin-top: 8px;
    color: var(--muted);
    font-size: 0.86rem;
    font-weight: 600;
  }

  .project-explanation-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .project-explanation-card {
    background: linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 16px;
  }

  .project-explanation-card p {
    margin: 0;
    color: var(--muted);
  }

  .project-solution-list {
    margin: 0;
    padding-left: 18px;
    display: grid;
    gap: 6px;
  }

  .project-solution-list li {
    color: var(--muted);
  }

  .project-explanation-wide {
    grid-column: 1 / -1;
  }

  .project-footer {
    text-align: center;
    padding: 4px 16px 30px;
  }

  .project-footer p {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.78);
    box-shadow: 0 6px 16px rgba(18, 34, 66, 0.08);
  }

  .project-footer a {
    color: var(--accent-strong);
    text-decoration: none;
    font-weight: 600;
  }

  .project-footer a:hover {
    color: var(--accent);
  }

  @media (max-width: 900px) {
    .project-page {
      padding: 24px 16px 48px;
    }

    .project-header,
    .project-section {
      padding: 20px;
    }

    .project-explanation-grid {
      grid-template-columns: 1fr;
    }

    .project-explanation-wide {
      grid-column: auto;
    }
  }

  @media (max-width: 600px) {
    .project-page {
      padding: 20px 14px 44px;
    }

    .project-nav {
      display: flex;
      width: 100%;
      justify-content: center;
    }

    .project-nav a {
      flex: 1 1 auto;
      text-align: center;
    }

    .project-header h1 {
      font-size: 1.55rem;
    }

    .project-section h2 {
      font-size: 1.2rem;
    }

    .project-footer p {
      padding: 9px 12px;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: center;
    }
}