/* ============================================================
   Case-study pages — shared template styles (Figma 04 · Project Page)
   Loads on top of site.css.
   ============================================================ */

/* ---------- Page header ---------- */
.cs-hero {
  position: relative;
  height: 700px;
  width: 100%;
  overflow: hidden;
  background: linear-gradient(to bottom, var(--grad-top), var(--grad-bottom));
}
.cs-hero .hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.cs-hero .hero-glows { position: absolute; inset: 0; pointer-events: none; }
.cs-hero.canvas-live .hero-glows { display: none; }

.cs-hero-grid {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(1080px, calc(100% - 80px));
  height: 656px;
  padding: var(--max) 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 24px;
  align-items: center;
}
.cs-hero-copy {
  width: 480px;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--s);
}
.cs-hero-copy .subtitle { color: var(--body); }
.cs-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s);
  padding-top: var(--s);
  max-width: 350px;
}
.tag {
  display: inline-flex;
  align-items: center;
  height: 33px;
  padding: var(--xs) var(--s);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.45);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--body);
  white-space: nowrap;
  transition: background-color 0.2s ease, transform 0.2s ease;
}
.tag:hover { background: rgba(255, 255, 255, 0.75); transform: translateY(-1px); }

.cs-hero-art { position: relative; height: 512px; }

/* hero copy entrance (same language as the site heroes) */
.cs-hero-copy > * {
  opacity: 0;
  transform: translateY(24px);
  animation: hero-rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.cs-hero-copy > *:nth-child(2) { animation-delay: 0.08s; }
.cs-hero-copy > *:nth-child(3) { animation-delay: 0.16s; }

/* hero image entrance per Figma keyframes + continuous float afterwards */
.rise-1, .rise-2, .rise-3 {
  opacity: 0;
  animation-fill-mode: forwards;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}
.rise-1 { animation-name: cs-rise-200; animation-duration: 0.6s; }
.rise-2 { animation-name: cs-rise-100; animation-duration: 0.6s; animation-delay: 0.1s; }
.rise-3 { animation-name: cs-rise-200; animation-duration: 0.6s; animation-delay: 0.18s; }
@keyframes cs-rise-200 { from { opacity: 0; translate: 0 200px; } to { opacity: 1; translate: 0 0; } }
@keyframes cs-rise-100 { from { opacity: 0; translate: 0 100px; } to { opacity: 1; translate: 0 0; } }

.float-a, .float-b {
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-direction: alternate;
}
.float-a { animation-name: cs-float-a; animation-duration: 3.2s; animation-delay: 0.8s; }
.float-b { animation-name: cs-float-b; animation-duration: 3.8s; animation-delay: 1s; }
@keyframes cs-float-a { from { transform: translateY(0); } to { transform: translateY(-10px); } }
@keyframes cs-float-b { from { transform: translateY(0); } to { transform: translateY(-14px); } }

@media (prefers-reduced-motion: reduce) {
  .cs-hero-copy > *, .rise-1, .rise-2, .rise-3 { animation: none; opacity: 1; transform: none; translate: 0 0; }
  .float-a, .float-b { animation: none; }
}

/* ---------- Back to Projects pill ---------- */
.page-nav {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  top: 22px;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: var(--xxs);
  padding: var(--xs);
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  border: 2px solid var(--glass-border-color);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--ink);
}
.page-nav .btn-icon-40 {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: var(--radius-full);
  /* embossed circle per Figma component render (soft inner shading, top-left) */
  background: rgba(255, 255, 255, 0.4);
  box-shadow: inset 2px 2px 5px rgba(17, 17, 19, 0.08);
  transition: transform 0.2s ease;
}
.page-nav:hover .btn-icon-40 { transform: translateX(-2px); }
.page-nav .btn-icon-40 img { width: 16px; height: 16px; }
.page-nav .tab {
  padding: var(--s) var(--m) var(--s) var(--s);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

/* ---------- Main container ---------- */
.cs-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.cs-inner {
  width: min(1160px, 100%);
  padding: var(--max) var(--xl) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.cs-inner > * { width: 100%; }

/* narrow content blocks */
.narrow { max-width: 800px; }
.mid { max-width: 840px; }
.wide { max-width: 1080px; }

/* common paddings (match per-section Figma values) */
.pt-48 { padding-top: var(--xxl); }
.pb-72 { padding-bottom: var(--max); }
.pt-72 { padding-top: var(--max); }
.py-72 { padding-top: var(--max); padding-bottom: var(--max); }
.py-48 { padding-top: var(--xxl); padding-bottom: var(--xxl); }

/* ---------- TL;DR ---------- */
/* TL;DR opening band — Figma 325:1182 (card, bottom margin only) */
.tldr {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 0 0 var(--xxl);
}
.tldr-bullets {
  background: var(--card);
  border-radius: var(--radius-sm);
  padding: var(--xxl);
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--l);
}
.tldr-bullet { display: flex; flex-direction: column; gap: var(--sm); }
.tldr-bullet .label-serif { width: 100%; }
.tldr-bullet .txt { font-size: 14px; font-weight: 300; line-height: 1.4; letter-spacing: -0.01em; color: var(--ink); }

/* ---------- Stat cards (KPIs / results) ---------- */
.kpi-block { display: flex; flex-direction: column; gap: var(--ml); align-items: flex-start; padding: var(--xxl) 0; }
.stats { display: flex; gap: var(--sm); width: 100%; align-items: stretch; }
.stat-card {
  flex: 1 1 0;
  min-width: 1px;
  background: var(--card);
  border-radius: var(--radius-xs);
  padding: var(--m) var(--ml);
  display: flex;
  flex-direction: column;
  gap: var(--xxs);
  transition: transform 0.25s ease;
}
.stat-card:hover { transform: translateY(-2px); }
.stat-card .k-label { font-size: 12px; font-weight: 500; line-height: 1.4; color: var(--body); }
.stat-card .k-number { font-size: 56px; font-weight: 500; line-height: 1.2; letter-spacing: -0.03em; color: var(--ink); }
.stat-card .k-desc { font-size: 14px; font-weight: 300; line-height: 1.4; letter-spacing: -0.01em; color: var(--body); }

/* ---------- Section text blocks ---------- */
.sec { display: flex; flex-direction: column; align-items: flex-start; }
.sec-gap-12 { gap: var(--s); }
.sec-gap-16 { gap: var(--sm); }
.sec-gap-24 { gap: var(--ml); }
.txt-ink { color: var(--ink); }
.txt-body { color: var(--body); }
.med-ink { font-weight: 500; color: #111113; letter-spacing: -0.03em; }
.it-ink { font-style: italic; color: #111113; }

/* highlight statement */
.cs-highlight { padding: var(--xxl) 0; display: flex; align-items: center; justify-content: center; }
.cs-highlight p { width: 100%; }

/* bullet / numbered lists */
.cs-list { display: flex; flex-direction: column; gap: var(--xxs); width: 100%; }
.cs-list.gap-8 { gap: var(--xxs); }
.cs-bullet { display: flex; gap: var(--xs); align-items: flex-start; font-size: 20px; font-weight: 300; line-height: 1.4; letter-spacing: -0.02em; color: var(--ink); }
.cs-bullet .marker { flex: none; white-space: nowrap; color: var(--accent); }
.cs-bullet p:last-child { flex: 1; min-width: 1px; }

/* ---------- Media cards ---------- */
.cs-inner > .case-card { margin-top: var(--xxl); margin-bottom: var(--xxl); }
.case-card {
  background: var(--card);
  border-radius: var(--radius-sm);
  padding: var(--xxl);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--ml);
  overflow: hidden;
}
/* image captions everywhere — Figma Desktop/Label/Caption: DM Sans 400 12/1.4, body, centered */
.card-caption {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0;
  color: var(--body);
}
.case-card .card-caption { padding: 0 var(--max); }
/* Figma 191:40064 — flow cards: caption row sits at the TOP of the card */
.case-card:has(.flow) > .card-caption { order: -1; }
.card-caption .dim { opacity: 0.65; }
.img-caption {
  font-size: 12px;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0;
  color: var(--body);
  text-align: center;
  width: 100%;
}

/* horizontal flows (screens carousel) */
.flow {
  display: flex;
  gap: var(--ml);
  align-items: flex-start;
  width: 100%;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 4px;
}
.figure { flex: none; display: flex; flex-direction: column; gap: var(--s); width: min-content; margin: 0; }
/* Figma 191:40064 — number + label sit BELOW each screen */
.figcaption { display: flex; gap: var(--xs); align-items: flex-start; width: 100%; min-width: 0; order: 1; }
.figcaption.tall { min-height: 40px; }
.counter {
  flex: none;
  width: 22px; height: 22px;
  border-radius: var(--radius-full);
  background: var(--accent);
  color: var(--pill);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 600;
  line-height: 18px;
}
/* figure captions use a serif number instead of the circle */
.figcaption .counter {
  width: auto; height: auto;
  border-radius: 0;
  background: none;
  display: block;
  font-family: "Fraunces", serif;
  font-style: italic;
  color: var(--accent);
  font-variation-settings: "SOFT" 0, "WONK" 1;
  letter-spacing: 0.04em;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
}
.figcaption .cap { flex: 1; min-width: 1px; font-size: 14px; font-weight: 300; line-height: 1.4; letter-spacing: -0.01em; color: var(--body); }
.shot { border: 1px solid var(--line); border-radius: var(--radius-s); overflow: hidden; background: #fff; }
.shot-desktop { border-radius: var(--radius-xs); }
.shot img { width: 100%; height: 100%; object-fit: cover; display: block; }
.shot-desktop { width: 300px; height: 190px; border-radius: var(--radius-xs); }
.shot-phone { width: 225px; height: 487px; }

/* image grids inside cards */
.img-row-wrap { display: flex; flex-wrap: wrap; gap: var(--s); width: 100%; }
.consent-pair { display: flex; gap: 28px; justify-content: center; width: 100%; }
.consent-pair .shot { flex: 330 0 0; max-width: 330px; min-width: 170px; height: 714px; border-radius: var(--radius-lg); }

.drill-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--max);
  width: 100%;
}
.drill-cell { display: flex; flex-direction: column; gap: var(--ml); }
.drill-cell .cell-label { font-size: 14px; font-weight: 300; line-height: 1.4; letter-spacing: -0.01em; color: var(--body); height: 20px; }
.drill-cell .images { display: flex; gap: var(--s); width: 100%; }
.drill-cell .images .shot { flex: 1 1 0; min-width: 1px; aspect-ratio: 1125 / 2436; height: auto; }

/* single big image in a card */
.case-card .full-img { width: 100%; border-radius: var(--radius-s); overflow: hidden; }
.case-card .full-img img { width: 100%; height: auto; display: block; }

/* ---------- 2×2 constraint cards ---------- */
.grid-2x2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sm);
  width: 100%;
}
.mini-card {
  background: var(--card);
  border-radius: var(--radius-xs);
  padding: var(--ml);
  display: flex;
  flex-direction: column;
  gap: var(--xs);
  align-items: flex-start;
  transition: transform 0.25s ease;
}
.mini-card:hover { transform: translateY(-2px); }
.mini-card h4 { font-size: 20px; font-weight: 500; line-height: 1.4; letter-spacing: -0.03em; color: var(--ink); }
.mini-card .num-serif { font-family: "Fraunces", serif; font-style: italic; font-size: 14px; color: var(--accent); font-variation-settings: "SOFT" 0, "WONK" 1; letter-spacing: 0.04em; }
.mini-card .body-3 { color: var(--body); }

/* ---------- Comparison table ---------- */
.comparison-table {
  width: 100%;
  background: var(--ground);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.comparison-table .row {
  display: flex;
  gap: var(--xl);
  align-items: flex-start;
  padding: var(--m) var(--l);
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.4;
  letter-spacing: -0.02em;
  color: var(--ink);
  transition: background-color 0.2s ease;
}
.comparison-table .row:hover:not(.head) { background: #fafaf8; }
.comparison-table .row:last-child { border-bottom: 0; }
.comparison-table .row.head {
  background: var(--card);
  padding: var(--sm) var(--l);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
  color: var(--body);
}
.comparison-table .row p { flex: 1 1 0; min-width: 1px; }

/* ---------- Back to top ---------- */
.cs-inner > .back-top, .back-top { width: fit-content; align-self: center; margin: 0 auto; flex: none; }

/* ---------- Discover more ---------- */
.discover {
  width: 100%;
  max-width: 1080px;
  padding: var(--xxl) 0;
  display: flex;
  flex-direction: column;
  gap: var(--ml);
  align-items: center;
}
.discover h2 { width: 100%; }
.discover .cards { display: flex; gap: var(--xxl); width: 100%; align-items: stretch; }

/* ---------- Footer (project variant) ---------- */
.cs-footer-margin { width: 100%; max-width: 1080px; padding-top: var(--max); }
.cs-footer-margin .footer { padding: var(--ml) 0 var(--max); }
.cs-footer-margin .footer-inner { padding: 0; }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(17, 17, 19, 0.82);
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 100;
  cursor: zoom-out;
}
.lightbox.open { opacity: 1; pointer-events: auto; }
.lightbox img { max-width: 92vw; max-height: 92vh; border-radius: var(--radius-s); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .cs-hero-grid {
    grid-template-columns: 1fr;
    height: auto;
    position: static;
    transform: none;
    width: 100%;
    padding: 0;
    justify-items: center;
  }
  .cs-hero { height: auto; padding: 120px 0 60px; }
  .cs-hero-art { display: none; }
  .cs-hero-copy { width: 100% !important; max-width: 480px; padding: 0 var(--ml); }
}
@media (max-width: 900px) {
  .cs-inner { padding-left: var(--ml); padding-right: var(--ml); }
  .tldr-bullets { grid-template-columns: 1fr; gap: var(--ml); padding: var(--ml); }
  .stats { flex-wrap: wrap; }
  .stat-card { flex: 1 1 40%; }
  .grid-2x2, .drill-grid { grid-template-columns: 1fr; gap: var(--ml); }
  .case-card { padding: var(--ml); }
  .consent-pair { flex-wrap: wrap; }
  .consent-pair .shot { height: auto; aspect-ratio: 330 / 714; }
  .comparison-table .row { flex-direction: column; gap: var(--xs); }
  .discover .cards { flex-direction: column; }
}

/* ---------- Small phones (iPhone 13+, Android 360-430) ---------- */
@media (max-width: 480px) {
  .cs-hero { padding: 104px 0 40px; }
  .cs-hero-copy .h1 { font-size: 40px; }
  .cs-hero-copy .subtitle { font-size: 20px; }
  .tag { height: 29px; padding: 6px 10px; font-size: 13px; }
  .page-nav .tab-label { display: none; }
  .page-nav { padding-right: var(--xs); }

  .cs-inner { padding-left: var(--sm); padding-right: var(--sm); }
  .py-48 { padding-top: var(--l); padding-bottom: var(--l); }
  .tldr { padding: 0 0 var(--l); }
  .kpi-block { padding: var(--l) 0; }
  .cs-highlight { padding: var(--l) 0; }
  .cs-inner > .case-card { margin-top: var(--l); margin-bottom: var(--l); }
  .case-card { padding: var(--sm); border-radius: var(--radius-sm); }
  .card-caption, .case-card .card-caption { padding: 0; }

  .stat-card { flex: 1 1 100%; }
  .stat-card .k-number { font-size: 40px; }
  .number { font-size: 40px; }
  .shot-desktop { width: 260px; height: auto; aspect-ratio: 300 / 190; }
  .comparison-table .row p:first-child, .comparison-table .row p { font-size: 14px; }
  .discover { padding: var(--l) 0; }
  .cs-footer-margin, .footer-margin { padding-top: var(--l) !important; }
}