/* Project carousel — slider with arrows + dots */
.p-carousel {
  position: relative;
}
.p-carousel__viewport {
  overflow: hidden;
  border-radius: 1rem;
  border: 1px solid rgb(229 229 229);
  background: #0b1020;
  box-shadow: 0 20px 45px -20px rgba(15, 23, 42, 0.35);
}
.p-carousel__track {
  display: flex;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}
.p-carousel__slide {
  flex: 0 0 100%;
  min-width: 0;
}
.p-carousel__slide img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #0b1020;
}
.p-carousel__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.92);
  color: #111827;
  border: 1px solid rgba(0, 0, 0, 0.06);
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, opacity 0.2s ease;
  z-index: 5;
  box-shadow: 0 8px 24px -8px rgba(0, 0, 0, 0.4);
}
.p-carousel__arrow:hover {
  background: #ffffff;
  transform: translateY(-50%) scale(1.05);
}
.p-carousel__arrow:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.p-carousel__arrow--prev {
  left: 0.75rem;
}
.p-carousel__arrow--next {
  right: 0.75rem;
}
.p-carousel__dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}
.p-carousel__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 9999px;
  background: rgb(212 212 212);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.2s ease, width 0.3s ease;
}
.p-carousel__dot[aria-current='true'] {
  background: var(--p-accent, #4f46e5);
  width: 1.5rem;
}
.p-carousel__caption {
  text-align: center;
  color: rgb(82 82 82);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-top: 0.75rem;
  min-height: 2.5em;
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
  padding: 0 1rem;
  transition: opacity 0.25s ease;
}
.p-carousel__counter {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 4;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  backdrop-filter: blur(4px);
}
@media (max-width: 640px) {
  .p-carousel__arrow {
    width: 2.4rem;
    height: 2.4rem;
  }
  .p-carousel__arrow--prev { left: 0.4rem; }
  .p-carousel__arrow--next { right: 0.4rem; }
}

/* Project card hover */
.p-card__img {
  transition: transform 0.5s ease;
  filter: saturate(0.9) brightness(0.72);
}
.p-card:hover .p-card__img {
  transform: scale(1.04);
}
.p-card__overlay {
  background: linear-gradient(to top, rgba(11, 16, 32, 0.78) 0%, rgba(11, 16, 32, 0) 55%);
}
.p-card__logo {
  position: absolute;
  left: 0.85rem;
  bottom: 0.85rem;
  z-index: 3;
  width: 3.25rem;
  height: 3.25rem;
  object-fit: contain;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.9);
  padding: 0.45rem;
  box-shadow: 0 12px 28px -14px rgba(0, 0, 0, 0.72), 0 0 0 1px rgba(255, 255, 255, 0.55);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.p-card:hover .p-card__logo {
  transform: translateY(-0.12rem) scale(1.04);
  box-shadow: 0 16px 32px -14px rgba(0, 0, 0, 0.78), 0 0 0 1px rgba(255, 255, 255, 0.7);
}

/* Project detail: editorial case-study flow */
.p-project-page {
  --p-ink: #171715;
  --p-muted: #62625e;
  --p-line: #e8e8e3;
  --p-paper: #fafaf8;
  --p-accent-ink: color-mix(in srgb, var(--p-accent) 70%, #171715);
  --p-tint: color-mix(in srgb, var(--p-accent) 6%, #fafaf8);
  background: var(--p-paper);
}
.p-content-width,
.p-reading-width {
  width: min(100% - 3rem, 70rem);
  margin-inline: auto;
}
.p-reading-width { width: min(100% - 3rem, 52rem); }
.p-section {
  padding-block: 5rem;
  scroll-margin-top: 8rem;
}
.p-section--plain { background: var(--p-paper); }
.p-section--tint {
  position: relative;
  background: var(--p-tint);
  border-block: 1px solid color-mix(in srgb, var(--p-accent) 10%, transparent);
}
.p-section-heading { margin-bottom: 2.25rem; }
.p-section-heading h2,
.p-idea-card h2 {
  margin: 0.35rem 0 0;
  color: var(--p-ink);
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}
.p-section-heading > p {
  max-width: 39rem;
  margin-top: 1rem;
  color: var(--p-muted);
  font-size: 1.05rem;
  line-height: 1.75;
}
.p-section-kicker,
.p-card-label,
.p-cta-eyebrow {
  display: block;
  color: var(--p-accent-ink);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.p-lead {
  max-width: 48rem;
  margin: 0;
  color: #40403e;
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  line-height: 1.65;
  letter-spacing: -0.015em;
}

/* Hero */
.p-project-hero {
  position: relative;
  overflow: hidden;
  padding: 2rem 0 5.75rem;
  background:
    radial-gradient(circle at 88% 8%, color-mix(in srgb, var(--p-accent) 16%, transparent), transparent 28rem),
    linear-gradient(180deg, color-mix(in srgb, var(--p-accent) 7%, #fafaf8), #fafaf8 82%);
}
.p-project-hero::before {
  position: absolute;
  inset: auto auto -9rem -7rem;
  width: 22rem;
  height: 22rem;
  border: 1px solid color-mix(in srgb, var(--p-accent) 18%, transparent);
  border-radius: 50%;
  content: '';
}
.p-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 3.25rem;
  color: #737370;
  font-size: 0.85rem;
  font-weight: 650;
  transition: color 180ms ease, transform 180ms ease;
}
.p-back-link:hover { color: var(--p-accent-ink); transform: translateX(-0.2rem); }
.p-hero-grid {
  display: grid;
  align-items: center;
  gap: 3.5rem;
}
.p-hero-copy { position: relative; z-index: 2; }
.p-hero-badge {
  display: inline-block;
  margin-bottom: 1.5rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid color-mix(in srgb, var(--p-accent) 22%, transparent);
  border-radius: 0.6rem;
  background: color-mix(in srgb, var(--p-accent) 9%, white);
  color: color-mix(in srgb, var(--p-accent) 82%, #171715);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.p-hero-copy h1 {
  max-width: 44rem;
  margin: 0;
  color: var(--p-ink);
  font-size: clamp(2.75rem, 7vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}
.p-hero-copy > p {
  max-width: 39rem;
  margin: 1.6rem 0 2rem;
  color: #525250;
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  line-height: 1.65;
}
.p-stack-list { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.p-stack-tag {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid color-mix(in srgb, var(--p-accent) 12%, var(--p-line));
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.72);
  color: #525250;
  font-size: 0.75rem;
  font-weight: 650;
}
.p-hero-visual { position: relative; }
.p-hero-frame {
  position: relative;
  overflow: hidden;
  padding: 0.45rem;
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 1.4rem;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 30px 70px -35px color-mix(in srgb, var(--p-accent) 55%, #111827);
  transform: rotate(1.2deg);
}
.p-hero-frame img {
  display: block;
  width: 100%;
  min-height: 12rem;
  border-radius: 1rem;
  background: #111827;
  object-fit: cover;
}
.p-hero-orbit {
  position: absolute;
  top: -2.25rem;
  right: -2rem;
  width: 8rem;
  height: 8rem;
  border: 1px solid color-mix(in srgb, var(--p-accent) 28%, transparent);
  border-radius: 50%;
}
.p-hero-orbit::after {
  position: absolute;
  top: 1rem;
  left: -1rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--p-accent);
  box-shadow: 0 0 0 0.5rem color-mix(in srgb, var(--p-accent) 13%, transparent);
  content: '';
}

/* Chapter navigation */
.p-chapter-nav {
  position: sticky;
  top: 4rem;
  z-index: 30;
  overflow-x: auto;
  border-block: 1px solid rgba(232, 232, 227, 0.86);
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(18px) saturate(160%);
  scrollbar-width: none;
}
.p-chapter-nav::-webkit-scrollbar { display: none; }
.p-chapter-nav__inner {
  display: flex;
  width: max-content;
  min-width: 100%;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.65rem 1.5rem;
}
.p-chapter-nav__label {
  margin-right: 0.75rem;
  color: #a3a39e;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.p-chapter-nav a {
  padding: 0.55rem 0.85rem;
  border-radius: 0.65rem;
  color: #62625e;
  font-size: 0.78rem;
  font-weight: 650;
  white-space: nowrap;
  transition: color 160ms ease, background 160ms ease;
}
.p-chapter-nav a:hover {
  background: color-mix(in srgb, var(--p-accent) 8%, transparent);
  color: var(--p-accent-ink);
}

/* Story sections */
.p-section-heading--split { display: grid; gap: 1.5rem; }
.p-section-heading--split > p { margin: 0; }
.p-section-heading--center { margin-inline: auto; text-align: center; }
.p-section-heading--center > p { margin-inline: auto; }
.p-problem-grid,
.p-feature-grid,
.p-value-grid,
.p-design-grid,
.p-learning-grid { display: grid; gap: 1rem; }
.p-problem-card {
  min-height: 11rem;
  padding: 1.6rem;
  border: 1px solid color-mix(in srgb, var(--p-accent) 12%, var(--p-line));
  border-radius: 1.15rem;
  background: rgba(255, 255, 255, 0.8);
}
.p-problem-card > span,
.p-feature-number {
  display: block;
  margin-bottom: 1.75rem;
  color: var(--p-accent-ink);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.1em;
}
.p-problem-card p {
  margin: 0;
  color: #525250;
  font-size: 0.92rem;
  line-height: 1.65;
}
.p-idea-card {
  position: relative;
  padding: 2.5rem;
  border: 1px solid color-mix(in srgb, var(--p-accent) 18%, var(--p-line));
  border-radius: 1.5rem;
  background: linear-gradient(135deg, color-mix(in srgb, var(--p-accent) 8%, white), white 62%);
  box-shadow: 0 24px 60px -45px var(--p-accent);
}
.p-idea-card::before {
  display: block;
  width: 3rem;
  height: 0.22rem;
  margin-bottom: 2rem;
  border-radius: 9999px;
  background: var(--p-accent);
  content: '';
}
.p-idea-card p {
  margin: 1.6rem 0 0;
  color: #525250;
  font-size: 1.08rem;
  line-height: 1.8;
}
.p-feature-grid { gap: 1rem; }
.p-feature-card {
  display: flex;
  min-height: 12rem;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.6rem;
  border: 1px solid color-mix(in srgb, var(--p-accent) 10%, var(--p-line));
  border-radius: 1.15rem;
  background: rgba(255, 255, 255, 0.82);
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}
.p-feature-card:hover {
  border-color: color-mix(in srgb, var(--p-accent) 32%, var(--p-line));
  box-shadow: 0 16px 35px -28px var(--p-accent);
  transform: translateY(-2px);
}
.p-feature-number { margin-bottom: 2rem; }
.p-feature-title { margin: 0 0 0.4rem; color: var(--p-ink); font-size: 0.95rem; font-weight: 750; }
.p-feature-copy { margin: 0; color: #737370; font-size: 0.84rem; line-height: 1.6; }
.p-value-grid { gap: 1rem; }
.p-value-card {
  padding: 2rem;
  border: 1px solid color-mix(in srgb, var(--p-accent) 11%, var(--p-line));
  border-radius: 1.25rem;
  background: rgba(255, 255, 255, 0.82);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}
.p-value-card:hover {
  border-color: color-mix(in srgb, var(--p-accent) 30%, var(--p-line));
  box-shadow: 0 16px 38px -32px var(--p-accent);
}
.p-value-icon {
  display: grid;
  width: 3.25rem;
  height: 3.25rem;
  margin-bottom: 1.5rem;
  place-items: center;
  border-radius: 1rem;
  background: color-mix(in srgb, var(--p-accent) 11%, white);
  color: var(--p-accent-ink);
}
.p-design-grid { gap: 1.25rem; }
.p-design-card {
  min-height: 22rem;
  padding: 2rem;
  border: 1px solid var(--p-line);
  border-radius: 1.35rem;
  background: #fff;
}
.p-design-card--accent {
  background: linear-gradient(145deg, color-mix(in srgb, var(--p-accent) 8%, white), #fff 70%);
  border-color: color-mix(in srgb, var(--p-accent) 18%, var(--p-line));
}
.p-design-card h3 { margin: 0.55rem 0 1.2rem; color: var(--p-ink); font-size: 1.35rem; }
.p-design-card > p { color: #62625e; font-size: 0.92rem; line-height: 1.75; }
.p-palette-list { display: grid; gap: 0.65rem; margin-top: 2rem; }
.p-palette-item {
  display: grid;
  grid-template-columns: 1.5rem 1fr auto;
  align-items: center;
  gap: 0.7rem;
  padding: 0.55rem 0.65rem;
  border-radius: 0.7rem;
  background: #fafaf8;
  color: #62625e;
  font-size: 0.75rem;
}
.p-palette-item code { color: #a3a39e; }
.p-palette-swatch { width: 1.5rem; height: 1.5rem; border: 1px solid rgba(0,0,0,.08); border-radius: 0.45rem; }
.p-design-card .p-stack-list { margin-top: 1.75rem; }
.p-inline-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 3rem;
  color: var(--p-accent-ink);
  font-size: 0.86rem;
  font-weight: 750;
}
.p-inline-cta span { transition: transform 180ms ease; }
.p-inline-cta:hover span { transform: translateX(0.25rem); }
.p-learning-grid article {
  padding: 1.75rem 0;
  border-top: 1px solid color-mix(in srgb, var(--p-accent) 16%, var(--p-line));
}
.p-learning-grid article > span { color: var(--p-accent-ink); font-size: 0.77rem; font-weight: 750; }
.p-learning-grid article > p { margin: 0.75rem 0 0; color: #525250; line-height: 1.75; }

/* CTA and next project */
.p-cta-section { padding: 6rem 0; background: var(--p-paper); }
.p-cta-panel {
  position: relative;
  overflow: hidden;
  padding: 4rem 1.5rem;
  border-radius: 1.75rem;
  background: linear-gradient(135deg, color-mix(in srgb, var(--p-accent) 58%, #111827), color-mix(in srgb, var(--p-accent) 72%, #312e81));
  color: white;
}
.p-cta-glow {
  position: absolute;
  top: -10rem;
  right: -7rem;
  width: 25rem;
  height: 25rem;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 50%;
  box-shadow: 0 0 0 4rem rgba(255,255,255,.025), 0 0 0 8rem rgba(255,255,255,.025);
}
.p-cta-content { position: relative; z-index: 1; max-width: 44rem; margin-inline: auto; text-align: center; }
.p-cta-eyebrow { color: rgba(255,255,255,.72); }
.p-cta-content h2 { margin: 0.8rem 0 1rem; font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.08; letter-spacing: -.04em; }
.p-cta-content p { max-width: 39rem; margin: 0 auto; color: rgba(255,255,255,.78); font-size: 1.05rem; line-height: 1.7; }
.p-cta-actions { display: flex; flex-direction: column; justify-content: center; gap: 0.75rem; margin-top: 2rem; }
.p-button { display: inline-flex; min-height: 3.25rem; align-items: center; justify-content: center; padding: 0.8rem 1.35rem; border: 1px solid transparent; border-radius: 0.8rem; font-size: 0.88rem; font-weight: 750; transition: transform 180ms ease, background 180ms ease; }
.p-button:hover { transform: translateY(-2px); }
.p-button--light { background: white; color: #171715; }
.p-button--ghost { border-color: rgba(255,255,255,.45); color: white; }
.p-button--ghost:hover { background: rgba(255,255,255,.08); }
.p-project-navigation { padding: 2.25rem 0; border-top: 1px solid var(--p-line); background: var(--p-paper); }
.p-project-navigation__inner { display: flex; align-items: center; justify-content: space-between; }
.p-nav-link { display: flex; flex-direction: column; gap: 0.35rem; color: #525250; }
.p-nav-link small { color: #a3a39e; font-size: 0.7rem; font-weight: 650; letter-spacing: .05em; text-transform: uppercase; }
.p-nav-link span { display: flex; align-items: center; gap: 0.45rem; font-size: 0.87rem; font-weight: 750; }
.p-nav-link--next { align-items: flex-end; text-align: right; }
.p-nav-link:hover { color: var(--p-accent-ink); }

@media (min-width: 640px) {
  .p-problem-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .p-feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .p-cta-actions { flex-direction: row; }
}
@media (min-width: 768px) {
  .p-value-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .p-design-grid,
  .p-learning-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .p-learning-grid article { padding: 2rem; border: 0; border-left: 1px solid color-mix(in srgb, var(--p-accent) 16%, var(--p-line)); }
}
@media (min-width: 1024px) {
  .p-section { padding-block: 7.5rem; }
  .p-project-hero { padding: 2.75rem 0 7rem; }
  .p-hero-grid { grid-template-columns: minmax(0, 1.05fr) minmax(25rem, .95fr); gap: 5rem; }
  .p-hero-frame img { min-height: 16rem; }
  .p-chapter-nav { top: 5rem; }
  .p-section-heading--split { grid-template-columns: minmax(17rem, .7fr) minmax(0, 1.3fr); align-items: end; gap: 5rem; margin-bottom: 3.5rem; }
  .p-problem-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .p-feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .p-idea-card { padding: 4rem; }
  .p-design-card { padding: 2.75rem; }
  .p-cta-panel { padding: 6rem 2rem; }
}
@media (max-width: 639px) {
  .p-content-width,
  .p-reading-width { width: min(100% - 2rem, 70rem); }
  .p-section { padding-block: 4.5rem; }
  .p-project-hero { padding-bottom: 4.5rem; }
  .p-back-link { margin-bottom: 2.5rem; }
  .p-hero-grid { gap: 3rem; }
  .p-hero-frame { transform: none; }
  .p-chapter-nav__inner { justify-content: flex-start; padding-inline: 1rem; }
  .p-chapter-nav__label { display: none; }
  .p-idea-card { padding: 2rem 1.5rem; }
  .p-section-heading { margin-bottom: 1.8rem; }
  .p-problem-card { min-height: auto; }
  .p-feature-card { min-height: 11rem; }
  .p-design-card { min-height: auto; }
  .p-cta-section { padding: 4.5rem 0; }
}

/* ===== Hero action buttons (per-project CTA) ===== */
.p-hero-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.5rem; }
.p-button--solid { background: var(--p-accent, #4f46e5); color: #fff; }
.p-button--solid:hover { filter: brightness(1.08); background: var(--p-accent, #4f46e5); }
.p-button--outline { background: #fff; color: #171715; border-color: #d4d4d8; }
.p-button--outline:hover { background: #fafafa; }
.p-button--muted { background: #f3f4f6; color: #9ca3af; cursor: default; pointer-events: none; border-color: #e5e7eb; }
.p-hero-note { font-size: .8rem; color: #71717a; margin-top: .65rem; line-height: 1.4; }
.p-hero-note a { color: var(--p-accent, #4f46e5); font-weight: 600; }