/* ============================================================
   SEVEROOS PORTFOLIO — DETAIL PAGES
   Project case studies + Note articles.
   Extends style.css tokens only — no new colors introduced.
   ============================================================ */

/* ============ SHARED: back link + page hero ============ */
.back-link{
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .06em;
  color: var(--text-2); text-transform: uppercase;
  transition: color .25s ease, gap .25s ease;
}
.back-link svg{ transition: transform .3s var(--ease-out-soft); }
.back-link:hover{ color: var(--brass); }
.back-link:hover svg{ transform: translateX(-3px); }

.page-hero{
  position: relative;
  padding: 150px var(--gutter) 0;
  max-width: var(--container);
  margin: 0 auto;
}
.page-hero-top{
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 56px; flex-wrap: wrap; gap: 16px;
}
.page-hero-index{
  font-family: var(--font-mono); font-size: 12.5px; color: var(--text-3);
  letter-spacing: .08em; text-transform: uppercase;
}
.page-hero-index em{ font-style: normal; color: var(--brass); }

/* ============ PROJECT DETAIL ============ */
.project-hero{
  position: relative;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--line);
}
.project-hero-numeral{
  position: absolute; top: -34px; right: 0;
  font-family: var(--font-display); font-size: clamp(80px, 14vw, 190px);
  color: var(--surface); z-index: -1; line-height: 1; user-select: none;
  font-weight: 400;
}
.project-cat-tag{
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em;
  color: var(--brass); text-transform: uppercase; margin-bottom: 18px; display: block;
}
.project-hero h1{
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(42px, 7.4vw, 92px); line-height: 1.02; letter-spacing: -.01em;
  color: var(--text); max-width: 900px;
}
.project-hero-sub{
  max-width: 560px; margin-top: 22px;
  font-size: 17px; color: var(--text-2); font-weight: 300;
}

.project-meta-row{
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  margin-top: 52px;
}
.project-meta-row .meta{ display: flex; flex-direction: column; gap: 6px; }
.project-meta-row .meta-label{
  font-family: var(--font-mono); font-size: 11px; text-transform: uppercase;
  letter-spacing: .08em; color: var(--text-3);
}
.project-meta-row .meta-value{ font-size: 15px; color: var(--text); }
.project-meta-row .meta-value a{ color: var(--brass); }

.project-cover{
  margin: 64px auto 0; max-width: var(--container); padding: 0 var(--gutter);
}
.project-cover img{
  width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 16px;
}

.project-article{
  max-width: 720px; margin: 0 auto; padding: 100px var(--gutter) 0;
}
.project-article h2{
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(24px, 2.6vw, 32px); color: var(--text);
  margin-bottom: 22px; scroll-margin-top: 100px;
}
.project-article > h2:not(:first-child){ margin-top: 64px; }
.project-article p{
  font-size: 16.5px; line-height: 1.75; color: var(--text-2); font-weight: 300;
  margin-bottom: 20px;
}
.project-article p:last-child{ margin-bottom: 0; }
.project-article strong{ color: var(--text); font-weight: 500; }

.pull-quote{
  font-family: var(--font-display); font-style: italic; font-weight: 400;
  font-size: clamp(22px, 2.6vw, 28px); line-height: 1.45; color: var(--text);
  border-left: 2px solid var(--brass);
  padding-left: 28px; margin: 44px 0;
}

.inline-figure{ max-width: var(--container); margin: 56px auto; padding: 0 var(--gutter); }
.inline-figure img{ width: 100%; border-radius: 14px; display: block; }
.inline-figure figcaption{
  font-family: var(--font-mono); font-size: 12px; color: var(--text-3);
  margin-top: 12px; letter-spacing: .02em;
}
.inline-figure.two-up{ display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.inline-figure.two-up figure{ margin: 0; }
.inline-figure.two-up img{ aspect-ratio: 4/3; object-fit: cover; }

.project-impact{
  max-width: var(--container); margin: 20px auto 0; padding: 100px var(--gutter);
  border-top: 1px solid var(--line);
}
.project-impact .section-head{ margin-bottom: 48px; }
.impact-stats{ display: flex; gap: 60px; flex-wrap: wrap; }
.impact-stats .stat-value{ display: flex; align-items: baseline; gap: 2px; }
.impact-stats .stat-percent{ font-family: var(--font-display); font-size: 40px; color: var(--brass); }

.project-pagination{
  max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter) 140px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
.pagination-link{
  border: 1px solid var(--line); border-radius: 16px; padding: 28px 30px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color .3s ease, transform .3s var(--ease-out-soft), background .3s ease;
}
.pagination-link:hover{ border-color: var(--brass-dim); transform: translateY(-3px); background: var(--surface); }
.pagination-link.next{ align-items: flex-end; text-align: right; }
.pagination-label{
  font-family: var(--font-mono); font-size: 11px; text-transform: uppercase;
  letter-spacing: .08em; color: var(--text-3); display: flex; align-items: center; gap: 8px;
}
.pagination-title{ font-family: var(--font-display); font-size: 24px; color: var(--text); }

/* ============ NOTE / ARTICLE DETAIL ============ */
.note-hero{ text-align: left; padding-bottom: 0; }
.note-hero .project-cat-tag{ }
.note-hero h1{
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(34px, 5.6vw, 60px); line-height: 1.08; letter-spacing: -.01em;
  color: var(--text); max-width: 800px;
}
.note-hero-meta{
  display: flex; gap: 20px; align-items: center; margin-top: 26px;
  font-family: var(--font-mono); font-size: 12.5px; color: var(--text-3);
  text-transform: uppercase; letter-spacing: .04em;
}
.note-hero-meta .divider{ width: 4px; height: 4px; border-radius: 50%; background: var(--text-3); }

.note-cover{ margin: 56px auto 0; max-width: var(--container); padding: 0 var(--gutter); }
.note-cover img{ width: 100%; aspect-ratio: 21/9; object-fit: cover; border-radius: 16px; }

.note-article{ max-width: 680px; margin: 0 auto; padding: 90px var(--gutter) 0; }
.note-article h2{
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(22px, 2.4vw, 28px); color: var(--text);
  margin: 52px 0 20px;
}
.note-article p{
  font-size: 16.5px; line-height: 1.8; color: var(--text-2); font-weight: 300;
  margin-bottom: 22px;
}
.note-article strong{ color: var(--text); font-weight: 500; }
.note-article code, .project-article code{
  font-family: var(--font-mono); font-size: .88em; color: var(--brass);
  background: var(--surface); border: 1px solid var(--line); border-radius: 5px;
  padding: 2px 7px;
}
.note-article > p:first-of-type::first-letter{
  font-family: var(--font-display); font-style: italic; color: var(--brass);
  font-size: 64px; line-height: .8; float: left; padding: 8px 10px 0 0;
}

.note-tags{
  display: flex; gap: 10px; flex-wrap: wrap; margin-top: 48px;
}
.note-tag{
  font-family: var(--font-mono); font-size: 11.5px; color: var(--text-2);
  border: 1px solid var(--line); border-radius: 100px; padding: 7px 14px;
  text-transform: uppercase; letter-spacing: .05em;
}

.note-share{
  max-width: 680px; margin: 56px auto 0; padding: 0 var(--gutter);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}

.note-pagination{
  max-width: var(--container); margin: 90px auto 0; padding: 60px var(--gutter) 140px;
  border-top: 1px solid var(--line);
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 980px){
  .page-hero{ padding-top: 120px; }
  .project-meta-row{ grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .project-article, .note-article{ padding-left: var(--gutter); padding-right: var(--gutter); }
  .inline-figure.two-up{ grid-template-columns: 1fr; }
  .impact-stats{ gap: 36px; }
  .project-pagination, .note-pagination{ grid-template-columns: 1fr; }
  .pagination-link.next{ align-items: flex-start; text-align: left; }
}
@media (max-width: 560px){
  .page-hero{ padding-top: 100px; }
  .note-article > p:first-of-type::first-letter{ font-size: 48px; }
  .note-hero-meta{ flex-wrap: wrap; row-gap: 6px; }
}