/* FILE: styles.css
Save as: styles.css (same folder as index.html) */

/* --- Base / Reset-ish --- */
:root{
  --bg: #0b0c10;
  --panel: #12141b;
  --panel2: #0f1117;
  --text: #e9ecf1;
  --muted: #b7beca;
  --line: rgba(255,255,255,.12);
  --link: #9ad1ff;
  --focus: #ffd27d;
  --max: 980px;
  --radius: 14px;
}

*{ box-sizing: border-box; }
html, body{ height:100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1100px 700px at 15% 0%, #151a2a 0%, var(--bg) 60%);
  color: var(--text);
  line-height: 1.55;
}

a{
  color: var(--link);
  text-decoration: none;
}
a:hover{ text-decoration: underline; }

.container{
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

/* --- Accessibility --- */
.skip-link{
  position: absolute;
  left: -999px;
  top: 10px;
  background: var(--panel);
  padding: .6rem .9rem;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.skip-link:focus{
  left: 10px;
  outline: 3px solid var(--focus);
}

/* --- Header --- */
.site-header{
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18,20,27,.9), rgba(18,20,27,.55));
  backdrop-filter: blur(6px);
}

.header-grid{
  display:flex;
  gap: 1rem;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1.25rem 0;
}

.site-kicker{
  margin:0 0 .25rem 0;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .78rem;
  color: var(--muted);
}
.site-title{
  margin:0;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
}
.site-subtitle{
  margin:.3rem 0 0 0;
  color: var(--muted);
  max-width: 60ch;
}

.site-nav{
  display:flex;
  flex-wrap: wrap;
  gap: .35rem .6rem;
  justify-content: flex-end;
  max-width: 360px;
}
.site-nav a{
  display:inline-block;
  padding: .35rem .55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
  font-size: .92rem;
}
.site-nav a:focus{
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

/* --- Cards / Sections --- */
.card{
  margin: 1.25rem 0;
  padding: 1.1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
}

.card h2{
  margin: 0 0 .6rem 0;
  font-size: 1.25rem;
}
hr{
  border: 0;
  border-top: 1px solid var(--line);
  margin: 1rem 0;
}

/* --- Metadata grid --- */
.meta-grid{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .8rem;
}
.meta-item{
  border: 1px solid var(--line);
  background: rgba(0,0,0,.22);
  border-radius: 12px;
  padding: .8rem .85rem;
}
.meta-label{
  font-size: .78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.meta-value{
  margin-top: .25rem;
  font-weight: 600;
}

/* --- Article typography --- */
.article-label{
  margin: 0;
  color: var(--muted);
  font-size: .95rem;
}
.article-title{
  margin: .25rem 0 .25rem 0;
  font-size: clamp(1.35rem, 2.6vw, 2.05rem);
  line-height: 1.2;
}
.article-dek{
  margin: 0 0 .75rem 0;
  color: var(--muted);
}

.prose p{
  margin: .75rem 0;
  max-width: 100%;
}
.prose h3{
  margin: 1.1rem 0 .25rem 0;
  font-size: 1.1rem;
}
.muted{ color: var(--muted); }
.small{ font-size: .92rem; }
.placeholder{
  border-left: 4px solid rgba(255,255,255,.18);
  padding-left: .75rem;
  color: rgba(233,236,241,.88);
}

/* --- Definition list --- */
.dl{
  margin: .75rem 0 0 0;
  display: grid;
  gap: .6rem;
}
.dl div{
  padding: .65rem .7rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(0,0,0,.18);
}
dt{
  font-size: .78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}
dd{
  margin: .25rem 0 0 0;
  font-weight: 600;
}

/* --- Bullets --- */
.bullets{
  margin: .25rem 0 0 1.1rem;
}
.bullets li{ margin: .35rem 0; }

/* --- Contact form --- */
.contact-line{
  margin: .2rem 0 1rem 0;
}

.form{
  display:grid;
  gap: .85rem;
  max-width: 680px;
}
.form-row{
  display:grid;
  gap: .35rem;
}
label{
  color: var(--muted);
  font-size: .92rem;
}
input, textarea{
  width: 100%;
  padding: .75rem .85rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.28);
  color: var(--text);
  font: inherit;
}
input:focus, textarea:focus{
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.btn{
  width: fit-content;
  padding: .7rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
}
.btn:hover{
  background: rgba(255,255,255,.10);
}

/* --- Footer --- */
.site-footer{
  margin: 2rem 0 2.5rem 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

/* --- Responsive --- */
@media (max-width: 900px){
  .meta-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .header-grid{ flex-direction: column; }
  .site-nav{ justify-content: flex-start; max-width: none; }
}
@media (max-width: 520px){
  .meta-grid{ grid-template-columns: 1fr; }
}
.archive-image {
  max-width: 420px;   /* reduce overall image size */
  margin: 2rem auto;
  text-align: center;
}

.archive-image img {
  width: 100%;
  height: auto;
}
/* Archive image cursor */
.lightbox-trigger {
  cursor: zoom-in;
}

/* Lightbox overlay */
#lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

/* Active state */
#lightbox.active {
  display: flex;
}

/* Enlarged image */
#lightbox img {
  max-width: 95%;
  max-height: 95%;
  box-shadow: 0 0 30px rgba(0,0,0,0.7);
  cursor: zoom-out;
}
.seo-hidden {
  position: absolute;
  left: -9999px;
}