/* Direction D — Kinetic Brutalist Editorial (A + C blend) */

.d4-root {
  background: var(--bg);
  color: var(--paper);
  font-family: var(--sans);
}

/* ============ Header ============ */
.d4-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,10,10,0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.d4-header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 14px 28px;
}
.d4-logo { display: inline-flex; align-items: baseline; gap: 10px; }
.d4-logo-mark { color: var(--accent); font-size: 12px; transform: translateY(-2px); }
.d4-logo-name {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.01em;
}
.d4-logo-sub {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}
.d4-nav {
  display: flex;
  gap: 22px;
  justify-self: center;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.d4-nav a {
  color: var(--paper-dim);
  display: inline-flex; gap: 6px; align-items: baseline;
  transition: color 0.2s;
}
.d4-nav a:hover { color: var(--accent); }
.d4-nav-num { color: var(--muted); font-size: 9px; }
.d4-header-meta { display: flex; align-items: center; gap: 18px; }
.d4-clock {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.d4-header-meta .btn { padding: 9px 16px; font-size: 11px; }

/* ============ Hero ============ */
.d4-hero { position: relative; min-height: 780px; overflow: hidden; }
.d4-hero-canvas { position: absolute; inset: 0; z-index: 0; }
.d4-hero-canvas::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,10,10,0.45) 0%, rgba(10,10,10,0.12) 30%, rgba(10,10,10,0.92) 100%);
  pointer-events: none;
}
.d4-hero-content {
  position: relative; z-index: 2;
  padding: 96px 32px 60px;
  max-width: 1480px; margin: 0 auto;
}
.d4-hero-meta {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 56px;
}
.d4-h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(64px, 12vw, 200px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  margin: 0 0 56px;
  text-wrap: balance;
}
.d4-line { display: block; }
.d4-line em {
  font-style: italic;
  color: var(--accent);
}
.d4-outline {
  -webkit-text-stroke: 1.5px var(--paper);
  color: transparent;
  font-style: italic;
}
.d4-hero-foot {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: end;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.d4-lede {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.4;
  max-width: 56ch;
  color: var(--paper-dim);
  margin: 0;
}
.d4-lede em { color: var(--accent); font-style: italic; }
.d4-mono-em {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 8px;
  border-radius: 2px;
  vertical-align: middle;
  white-space: nowrap;
}
.d4-hero-cta { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }

/* ============ Wordmark band ============ */
.d4-wordmark {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 24px 32px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: end;
  background: var(--bg);
  overflow: hidden;
}
.d4-wordmark-text {
  font-family: var(--serif);
  font-size: clamp(80px, 17vw, 260px);
  line-height: 0.85;
  letter-spacing: -0.05em;
  font-weight: 400;
  white-space: nowrap;
  color: var(--paper);
}
.d4-wordmark-text em { font-style: italic; color: var(--accent); }
.d4-wordmark-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-end;
  padding-bottom: 18px;
}

/* ============ Sections ============ */
.d4-section { max-width: 1480px; margin: 0 auto; padding: 110px 32px; }
.d4-section-head {
  display: flex;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 56px;
  font-family: var(--mono);
}
.d4-h2 {
  font-family: var(--serif);
  font-size: clamp(40px, 5.5vw, 84px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: 400;
  margin: 0;
  text-wrap: pretty;
}
.d4-h2 em { color: var(--accent); font-style: italic; }
.d4-strike {
  text-decoration: line-through;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 3px;
  color: var(--muted-2);
}

/* ============ Manifest ============ */
.d4-manifest-grid {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  align-items: start;
}
.d4-manifest-mark {
  font-family: var(--serif);
  font-style: italic;
  font-size: 32px;
  color: var(--accent);
}

/* ============ Focus ============ */
.d4-focus {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.d4-focus-card {
  background: var(--bg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 380px;
  transition: background 0.35s ease, color 0.35s ease;
  position: relative;
}
.d4-focus-card:hover {
  background: var(--accent);
  color: var(--ink);
}
.d4-focus-card:hover .eyebrow,
.d4-focus-card:hover .d4-focus-id,
.d4-focus-card:hover .d4-focus-tags span,
.d4-focus-card:hover p { color: var(--ink); }
.d4-focus-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.d4-focus-id {
  font-family: var(--serif);
  font-style: italic;
  font-size: 56px;
  color: var(--accent);
  line-height: 1;
}
.d4-focus-card:hover .d4-focus-id {
  color: var(--ink);
  -webkit-text-stroke: 1px var(--ink);
}
.d4-focus-name {
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1;
  margin: 0;
}
.d4-focus-short { color: var(--muted); }
.d4-focus-card:hover .d4-focus-short { color: rgba(10,10,10,0.7); }
.d4-focus-card p {
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--paper-dim);
  margin: 0;
}
.d4-focus-card:hover p { color: rgba(10,10,10,0.82); }
.d4-focus-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: auto;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ============ Posture ============ */
.d4-posture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.d4-posture-cell {
  padding: 32px 24px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.d4-posture-cell:last-child { border-right: 0; }
.d4-posture-val {
  font-family: var(--serif);
  font-size: 56px;
  line-height: 1;
  letter-spacing: -0.025em;
}
.d4-posture-cell:nth-child(1) .d4-posture-val,
.d4-posture-cell:nth-child(4) .d4-posture-val { font-style: italic; color: var(--accent); }
.d4-posture-sub {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-transform: uppercase;
}

/* ============ Thesis ============ */
.d4-thesis-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.d4-thesis-card {
  background: var(--bg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 280px;
  transition: background 0.3s;
}
.d4-thesis-card:hover { background: var(--bg-elev); }
.d4-thesis-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 28px;
  color: var(--accent);
}
.d4-thesis-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
}
.d4-thesis-card p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--paper-dim);
  margin: 0;
}

/* ============ Team ============ */
.d4-team-card {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 60px;
  align-items: start;
}
.d4-team-portrait {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--accent), #2a1a14 70%);
  overflow: hidden;
}
.d4-team-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.d4-team-portrait-initials {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  pointer-events: none;
  opacity: 0;
}
.d4-team-portrait-fallback .d4-team-portrait-initials { opacity: 1; }
.d4-team-portrait-initials span:first-child {
  font-family: var(--serif);
  font-size: 92px;
  font-style: italic;
  color: rgba(244,239,230,0.94);
  letter-spacing: 0.02em;
}
.d4-team-portrait-meta {
  position: absolute;
  bottom: 18px;
  color: rgba(244,239,230,0.7);
}
.d4-team-body { display: flex; flex-direction: column; gap: 14px; padding-top: 12px; }
.d4-team-name {
  font-family: var(--serif);
  font-size: clamp(48px, 5.5vw, 84px);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1;
  margin: 4px 0 0;
}
.d4-team-role {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}
.d4-team-body p {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.4;
  color: var(--paper-dim);
  margin: 16px 0 8px;
  max-width: 50ch;
}
.d4-team-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.d4-team-links a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--paper-dim);
  display: inline-flex;
  gap: 6px;
}
.d4-team-links a span { color: var(--accent); }
.d4-team-links a:hover { color: var(--accent); }

/* ============ CTA ============ */
.d4-cta {
  border-top: 1px solid var(--line);
  padding: 130px 32px;
}
.d4-cta-h {
  font-family: var(--serif);
  font-size: clamp(48px, 6.6vw, 110px);
  line-height: 1;
  letter-spacing: -0.03em;
  font-weight: 400;
  margin: 24px 0 60px;
  text-wrap: balance;
}
.d4-cta-h em { font-style: italic; }
.d4-cta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.d4-cta-link {
  background: var(--bg);
  padding: 32px 32px 28px;
  display: grid;
  grid-template-columns: 56px 1fr 32px;
  grid-template-rows: auto auto;
  column-gap: 16px;
  row-gap: 6px;
  align-items: baseline;
  transition: background 0.3s, color 0.3s, padding-left 0.3s;
  min-height: 160px;
}
.d4-cta-num {
  grid-row: 1 / span 2;
  font-family: var(--serif);
  font-style: italic;
  font-size: 48px;
  color: var(--accent);
  line-height: 1;
  align-self: start;
}
.d4-cta-label { grid-column: 2 / 3; }
.d4-cta-text {
  grid-column: 2 / 3;
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.d4-cta-arrow {
  grid-column: 3 / 4;
  grid-row: 1 / span 2;
  font-size: 28px;
  align-self: center;
  justify-self: end;
  transition: transform 0.3s;
}
.d4-cta-link:hover { background: var(--bg-elev); padding-left: 44px; }
.d4-cta-link:hover .d4-cta-arrow { transform: translateX(8px); }
.d4-cta-link-accent {
  background: var(--accent);
  color: var(--ink);
}
.d4-cta-link-accent .d4-cta-num,
.d4-cta-link-accent .eyebrow { color: rgba(10,10,10,0.7); }
.d4-cta-link-accent:hover { background: #c8431d; }

/* ============ Footer ============ */
.d4-footer {
  border-top: 1px solid var(--line);
  padding: 70px 32px 24px;
  max-width: 1480px;
  margin: 0 auto;
}
.d4-footer-mark {
  text-align: center;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.d4-footer-mark span {
  font-family: var(--serif);
  font-size: clamp(120px, 26vw, 380px);
  line-height: 0.85;
  letter-spacing: -0.06em;
  background: linear-gradient(180deg, var(--paper) 10%, transparent 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}
.d4-footer-mark em { font-style: italic; color: var(--accent); -webkit-text-fill-color: var(--accent); }
.d4-footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}
.d4-footer-cols p {
  font-size: 14px;
  color: var(--paper-dim);
  margin: 8px 0 0;
  line-height: 1.6;
}
.d4-footer-cols a { border-bottom: 1px solid var(--line-strong); }
.d4-footer-base {
  display: flex;
  justify-content: space-between;
  padding-top: 22px;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 1100px) {
  .d4-hero-foot { grid-template-columns: 1fr; gap: 32px; }
  .d4-focus, .d4-thesis-grid, .d4-cta-grid, .d4-footer-cols { grid-template-columns: 1fr; }
  .d4-posture-grid { grid-template-columns: repeat(2, 1fr); }
  .d4-posture-cell:nth-child(2) { border-right: 0; }
  .d4-team-card { grid-template-columns: 1fr; gap: 32px; }
  .d4-team-portrait { max-width: 360px; }
}