/* =========================================================
   Page-Level Additions
   Case studies, article typography, legal, contact
   ========================================================= */

/* ---- Page Hero (compact hero for sub pages) ---- */
.page-hero {
  padding: clamp(140px, 20vw, 200px) var(--gutter) clamp(48px, 6vw, 80px);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.page-hero__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: end;
}
.page-hero__title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(48px, 8.5vw, 128px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  max-width: 14ch;
}
.page-hero__title em { font-style: italic; color: var(--signal); font-weight: 400; }
.page-hero__lede {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
  max-width: 34ch;
  text-align: right;
}
@media (max-width: 900px) {
  .page-hero__inner { grid-template-columns: 1fr; }
  .page-hero__lede { text-align: left; }
}

/* ---- Case Studies ---- */
.cases { padding-block: clamp(80px, 10vw, 140px); background: var(--paper); }
.case {
  max-width: var(--max);
  margin: 0 auto clamp(80px, 12vw, 160px);
  padding-inline: var(--gutter);
}
.case:last-child { margin-bottom: 0; }
.case__hero {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--paper-dim);
  margin-bottom: clamp(32px, 4vw, 56px);
  position: relative;
}
.case__hero img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.case__meta {
  display: grid;
  grid-template-columns: minmax(auto, 42%) 1fr;
  gap: clamp(24px, 4vw, 64px);
  align-items: end;
  margin-bottom: 40px;
}
.case__title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(32px, 4.5vw, 60px);
  line-height: 1;
  letter-spacing: -0.025em;
}
.case__title em { font-style: italic; color: var(--signal); }
.case__desc { color: var(--muted); font-size: 16px; line-height: 1.55; max-width: 48ch; }
.case__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 48px);
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.case__cell h4 {
  font-family: var(--f-mono);
  font-weight: 400;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.03em;
  margin-bottom: 12px;
}
.case__cell p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.case__tags {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.case__tag {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 100px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--muted);
}
.case__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--ink);
  font-weight: 500;
  font-size: 15px;
  transition: transform 0.3s var(--ease-out);
}
.case__link:hover { transform: translateX(4px); }
@media (max-width: 900px) {
  .case__meta { grid-template-columns: 1fr; }
  .case__grid { grid-template-columns: 1fr; }
}

/* ---- Prose (SEO explanation, about page) ----
   Container spans full site width (matches hero + other sections), text stays
   readable via a narrow inner column centered inside. */
.prose {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(60px, 8vw, 100px) var(--gutter);
  background: var(--paper);
  box-shadow: 0 0 0 100vmax var(--paper);
  clip-path: inset(0 -100vmax);
}
.prose > * {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.prose > * + * { margin-top: 20px; }
.prose p {
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink-soft);
}
.prose h2 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-top: clamp(48px, 6vw, 72px);
  margin-bottom: 8px;
}
.prose h3 {
  font-family: var(--f-body);
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  margin-top: 40px;
  margin-bottom: 8px;
  letter-spacing: -0.005em;
}
.prose ul, .prose ol {
  padding-left: 20px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-soft);
}
.prose ul li, .prose ol li { margin-top: 8px; }
.prose blockquote {
  border-left: 2px solid var(--signal);
  padding-left: 20px;
  margin: 32px 0;
  font-family: var(--f-display);
  font-style: italic;
  font-size: 22px;
  line-height: 1.35;
  color: var(--ink);
  max-width: 60ch;
}
.prose strong { color: var(--ink); font-weight: 600; }
.prose a { color: var(--signal); border-bottom: 1px solid currentColor; padding-bottom: 1px; }
.prose a:hover { color: var(--signal-hi); }
.prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin-block: clamp(48px, 6vw, 72px);
}

/* SEO checklist */
.checklist {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(60px, 8vw, 100px);
  background: var(--paper);
  box-shadow: 0 0 0 100vmax var(--paper);
  clip-path: inset(0 -100vmax);
}
.checklist__item {
  background: var(--paper-hi);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 20px 20px 52px;
  position: relative;
}
.checklist__item::before {
  content: '';
  position: absolute;
  left: 20px; top: 22px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--signal);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'><path d='M2 6.5L5 9L10 3.5' stroke='white' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: center;
}
.checklist__item h4 { font-size: 15px; font-weight: 600; letter-spacing: -0.005em; margin-bottom: 4px; }
.checklist__item p { font-size: 13px; color: var(--muted); line-height: 1.5; }

/* ---- About page ----
   Same pattern as .prose — container wide, inner text column centered. */
.about-body {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(60px, 8vw, 100px) var(--gutter);
  background: var(--paper);
  box-shadow: 0 0 0 100vmax var(--paper);
  clip-path: inset(0 -100vmax);
}
.about-body > * {
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}
.about-body__portrait {
  aspect-ratio: 4 / 5;
  max-width: 340px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--paper-dim);
  margin-bottom: 48px;
  border: 1px solid var(--line);
}
.about-body__portrait img { width: 100%; height: 100%; object-fit: cover; object-position: center top; display: block; }
.about-body__pulls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 40px);
  margin-block: clamp(48px, 6vw, 72px);
  padding-block: 32px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.about-body__pull { display: flex; flex-direction: column; gap: 6px; }
.about-body__pull .n {
  font-family: var(--f-display);
  font-size: 42px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
}
.about-body__pull .l {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.03em;
}
@media (max-width: 720px) {
  .about-body__pulls { grid-template-columns: 1fr; gap: 20px; }
}

/* ---- Contact Page ---- */
.contact-hero { background: var(--paper); }
.contact-switch {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px var(--gutter) 0;
  display: flex;
  gap: 8px;
  padding-inline: var(--gutter);
  background: var(--paper);
  box-shadow: 0 0 0 100vmax var(--paper);
  clip-path: inset(0 -100vmax);
}
.contact-panel { background: var(--paper); }
.contact-info {
  background: var(--paper);
  box-shadow: 0 0 0 100vmax var(--paper);
  clip-path: inset(0 -100vmax);
}
.contact-switch__btn {
  flex: 1;
  max-width: 260px;
  padding: 20px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--paper-hi);
  text-align: left;
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  display: flex; flex-direction: column; gap: 4px;
}
.contact-switch__btn .l { color: var(--muted); font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.02em; font-weight: 400; }
.contact-switch__btn:hover { border-color: var(--muted); }
.contact-switch__btn.active { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.contact-switch__btn.active .l { color: var(--muted-dark); }

.contact-panel {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(60px, 8vw, 100px) var(--gutter);
  background: var(--paper);
  box-shadow: 0 0 0 100vmax var(--paper);
  clip-path: inset(0 -100vmax);
}
.contact-panel > * {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.contact-panel__intro {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.contact-panel__intro em { font-style: italic; color: var(--signal); }
.contact-panel__note {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 40px;
}
.support-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.support-form .field { display: flex; flex-direction: column; gap: 6px; }
.support-form .field.full { grid-column: 1 / -1; }
.support-form label {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.support-form input, .support-form textarea {
  background: var(--paper-hi);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  color: var(--ink);
  font-size: 15px;
  transition: border-color 0.2s;
  font-family: var(--f-body);
  resize: vertical;
}
.support-form input:focus, .support-form textarea:focus {
  outline: none; border-color: var(--ink);
}
.support-form .actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
}
.support-form .actions .note {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
@media (max-width: 600px) {
  .support-form { grid-template-columns: 1fr; }
  .contact-switch { flex-direction: column; }
  .contact-switch__btn { max-width: none; }
}

/* Contact detail block */
.contact-info {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(80px, 10vw, 120px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3vw, 48px);
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.contact-info__cell h5 {
  font-family: var(--f-mono);
  font-weight: 400;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.03em;
  margin-bottom: 12px;
}
.contact-info__cell p, .contact-info__cell a {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
}
.contact-info__cell a { border-bottom: 1px solid var(--line); padding-bottom: 1px; }
.contact-info__cell a:hover { border-color: var(--ink); }
@media (max-width: 720px) {
  .contact-info { grid-template-columns: 1fr; gap: 24px; }
}

/* ---- Legal pages ---- */
.legal {
  padding: clamp(140px, 18vw, 200px) var(--gutter) clamp(80px, 10vw, 120px);
  background: var(--paper);
}
.legal__inner { max-width: 760px; margin: 0 auto; }
.legal__title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin-bottom: 48px;
}
.legal h2 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-top: 40px;
  margin-bottom: 12px;
}
.legal h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 28px;
  margin-bottom: 8px;
}
.legal p, .legal ul {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-bottom: 12px;
}
.legal ul { padding-left: 20px; }
.legal ul li { margin-top: 4px; }
.legal a { color: var(--signal); border-bottom: 1px solid currentColor; padding-bottom: 1px; }
.legal small { color: var(--muted); font-size: 12px; }