:root {
    color-scheme: dark;
}

@font-face {
    font-family: 'ShareTechMono';
    src: url('/assets/fonts/ShareTechMono-Regular.ttf') format('truetype');
    font-display: swap;
}

@font-face {
    font-family: 'Unna';
    src: url('/assets/fonts/Unna-Regular.ttf') format('truetype');
    font-display: swap;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Unna', 'Georgia', 'Times New Roman', serif;
    font-size: 22px;
    line-height: 1.65;
    background: radial-gradient(circle at top, #071a17, #02090c);
    color: #f7f7f7;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 36px 18px;
}

.case-wrapper {
    width: min(1100px, 100%);
    margin: 28px auto;
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: clamp(28px, 7vw, 60px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.65);
}

.case-header {
    text-align: center;
    margin-bottom: clamp(28px, 7vw, 50px);
}

.case-label {
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 3px;
    color: #5edebe;
    margin-bottom: 12px;
}

.case-header h1 {
    margin: 0 0 12px 0;
    font-size: clamp(32px, 7vw, 50px);
}

.case-summary {
    margin: 0 auto;
    color: rgba(255, 255, 255, 0.75);
    font-size: clamp(15px, 3vw, 19px);
    max-width: 620px;
}

.case-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 6px;
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    background: rgba(8, 18, 28, 0.7);
    margin-bottom: clamp(26px, 6vw, 42px);
}

.meta-heading {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 6px;
}

.case-content {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.case-content h2 {
    color: #5edebe;
    margin-bottom: 6px;
    font-size: 1.55rem;
}

.case-content h3 {
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #f9c642;
    margin-bottom: 6px;
}

.case-content p,
.case-content li {
    color: rgba(255, 255, 255, 0.88);
    line-height: 1.75;
    font-size: 1.3rem;
}

.case-content ul,
.case-content ol {
    margin: 0;
    padding-left: 20px;
}

.case-link {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    margin-top: clamp(28px, 7vw, 48px);
    padding: 9px 22px;
    border-radius: 999px;
    background: linear-gradient(120deg, #5edebe, #56aadb);
    color: #041018;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 1.3px;
    text-transform: uppercase;
    font-size: 0.9rem;
    box-shadow: 0 10px 22px rgba(94, 222, 190, 0.28);
}

.case-link:hover,
.case-link:focus-visible {
    box-shadow: 0 10px 24px rgba(94, 222, 190, 0.4);
}

.site-footer {
    margin: 32px auto 0 auto;
    text-align: center;
    font-size: 0.85rem;
    font-family: 'ShareTechMono', 'Courier New', monospace;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.75);
}

.site-footer a {
    margin-left: 10px;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.85rem;
}

.site-footer a:hover,
.site-footer a:focus-visible {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: underline;
}

.return-home {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 30;
    display: inline-flex;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.35);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.return-home img {
    width: 40px;
    height: 40px;
}

.return-home:focus-visible {
    outline: 2px solid #5edebe;
    outline-offset: 4px;
}

.case-nav {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 30;
    display: flex;
    gap: 12px;
}

.case-nav .return-home {
    position: static;
}