:root {
  --color-obsidian: #0e0f10;
  --color-carbon: #171516;
  --color-graphite: #232021;
  --color-slate: #322d2a;
  --color-brass: #c6a15d;
  --color-antique-gold: #b08b52;
  --color-champagne: #f0d8a4;
  --color-text-primary: #f4f2ef;
  --color-text-secondary: #c9c3bc;
  --color-border: rgba(240, 216, 164, 0.22);
  --color-panel: rgba(23, 21, 22, 0.84);
  --font-sans: Aptos, Inter, Calibri, Helvetica, Arial, sans-serif;
  --shadow-panel: 0 1.5rem 4rem rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--color-obsidian);
}

body {
  min-height: 100svh;
  margin: 0;
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  background:
    linear-gradient(90deg, rgba(14, 15, 16, 0.95) 0%, rgba(14, 15, 16, 0.84) 44%, rgba(14, 15, 16, 0.56) 100%),
    linear-gradient(180deg, rgba(14, 15, 16, 0.18), rgba(14, 15, 16, 0.82)),
    url("assets/images/promptivity-header-background.png") center right / cover fixed no-repeat,
    var(--color-obsidian);
  overflow-x: hidden;
}

body.subpage {
  background:
    linear-gradient(90deg, rgba(14, 15, 16, 0.96) 0%, rgba(14, 15, 16, 0.91) 52%, rgba(14, 15, 16, 0.7) 100%),
    linear-gradient(180deg, rgba(14, 15, 16, 0.12), rgba(14, 15, 16, 0.88)),
    url("assets/images/promptivity-header-background.png") center right / cover fixed no-repeat,
    var(--color-obsidian);
}

body.detail-page {
  background:
    linear-gradient(90deg, rgba(14, 15, 16, 0.96) 0%, rgba(14, 15, 16, 0.91) 52%, rgba(14, 15, 16, 0.7) 100%),
    linear-gradient(180deg, rgba(14, 15, 16, 0.12), rgba(14, 15, 16, 0.88)),
    url("assets/images/promptivity-header-background.png") center right / cover fixed no-repeat,
    var(--color-obsidian);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem clamp(1rem, 4vw, 3.25rem);
  background: rgba(14, 15, 16, 0.82);
  border-bottom: 1px solid rgba(240, 216, 164, 0.16);
  backdrop-filter: blur(16px);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--color-text-primary);
  font-weight: 700;
  text-decoration: none;
}

.brand-link img {
  width: 2.4rem;
  height: 2.4rem;
  object-fit: contain;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 0.85rem;
}

.site-nav a,
.back-link {
  color: var(--color-text-secondary);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus,
.site-nav a[aria-current="page"],
.back-link:hover,
.back-link:focus {
  color: var(--color-champagne);
}

a:focus-visible {
  outline: 2px solid var(--color-champagne);
  outline-offset: 0.22rem;
}

.hero {
  display: grid;
  align-items: center;
  min-height: 64svh;
  padding: clamp(3rem, 8vw, 7rem) clamp(1.2rem, 6vw, 5rem);
}

.hero--home {
  min-height: 66svh;
}

.hero__content,
.section,
.page-shell {
  width: min(100%, 70rem);
}

.hero__content {
  padding-block: clamp(2.5rem, 8vh, 6rem);
}

.hero--home .hero__content {
  padding-block: clamp(1.75rem, 5vh, 3.5rem);
}

.hero__logo {
  display: block;
  width: clamp(5.5rem, 15vw, 9.5rem);
  height: auto;
  margin: 0 0 clamp(1.4rem, 4vw, 2.35rem);
  filter: drop-shadow(0 1.6rem 3rem rgba(0, 0, 0, 0.48));
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--color-brass);
  font-size: clamp(0.72rem, 1.4vw, 0.82rem);
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.45;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--color-text-primary);
  letter-spacing: 0;
}

h1 {
  max-width: 11ch;
  font-size: clamp(3rem, 10vw, 6.5rem);
  font-weight: 700;
  line-height: 0.96;
}

.page-title {
  max-width: 14ch;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.3rem);
  line-height: 1.05;
}

h3 {
  font-size: clamp(1.16rem, 2.2vw, 1.42rem);
  line-height: 1.2;
}

p {
  color: var(--color-text-secondary);
  font-size: 1rem;
  letter-spacing: 0;
  line-height: 1.65;
  overflow-wrap: break-word;
}

.hero__status {
  position: relative;
  width: fit-content;
  margin: clamp(1.25rem, 3vw, 1.8rem) 0 0;
  padding-top: 1.15rem;
  color: var(--color-text-primary);
  font-size: clamp(1.25rem, 3.4vw, 2rem);
  font-weight: 700;
  line-height: 1.15;
}

.hero__status::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(11rem, 44vw);
  height: 3px;
  background: linear-gradient(90deg, var(--color-brass), rgba(198, 161, 93, 0));
}

.hero__summary {
  max-width: 39rem;
  margin: 1rem 0 0;
  font-size: clamp(1.05rem, 2.1vw, 1.24rem);
}

.section,
.page-shell {
  margin-inline: auto;
  padding: clamp(3rem, 7vw, 5rem) clamp(1.2rem, 4vw, 2rem);
}

.section__header {
  max-width: 44rem;
  margin-bottom: 1.8rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card,
.panel,
.status-board {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: var(--shadow-panel);
}

.card {
  min-height: 14rem;
  padding: 1.25rem;
  text-decoration: none;
  transition: border-color 160ms ease, transform 160ms ease;
}

.card:hover,
.card:focus {
  border-color: rgba(240, 216, 164, 0.48);
  transform: translateY(-2px);
}

.card p {
  margin-bottom: 0;
}

.card h2,
.panel h2 {
  font-size: clamp(1.16rem, 2.2vw, 1.45rem);
  line-height: 1.18;
}

.panel {
  padding: clamp(1.2rem, 3vw, 1.8rem);
}

.panel + .panel {
  margin-top: 1rem;
}

.hub-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(16rem, 0.7fr);
  gap: 1rem;
  align-items: start;
}

.stack {
  display: grid;
  gap: 1rem;
}

.status {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 1.7rem;
  margin-bottom: 1rem;
  padding: 0.28rem 0.58rem;
  border: 1px solid rgba(240, 216, 164, 0.26);
  border-radius: 999px;
  color: var(--color-champagne);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.status--live {
  color: #d8f2c7;
  border-color: rgba(216, 242, 199, 0.42);
}

.status--beta {
  color: var(--color-champagne);
}

.status--experiment {
  color: #cbd7ff;
  border-color: rgba(203, 215, 255, 0.42);
}

.status--personal {
  color: #f1c7a7;
  border-color: rgba(241, 199, 167, 0.42);
}

.status--private {
  color: #d9c9ff;
  border-color: rgba(217, 201, 255, 0.42);
}

.status--archived {
  color: #c9c3bc;
  border-color: rgba(201, 195, 188, 0.36);
}

.status-board {
  padding: 1rem;
}

.status-board h2 {
  margin-bottom: 1rem;
  font-size: 1.15rem;
}

.status-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.link-list {
  display: grid;
  gap: 0.65rem;
  margin: 1rem 0 0;
}

.link-list a {
  color: var(--color-champagne);
  font-weight: 700;
  text-decoration: none;
}

.detail-list {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.detail-list li {
  padding-left: 1rem;
  border-left: 3px solid rgba(198, 161, 93, 0.52);
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.writing-hub .hero {
  min-height: 42svh;
  padding: clamp(2rem, 5vw, 4rem) 0;
}

.writing-hub .hero__content {
  padding-block: clamp(1.75rem, 5vh, 3.5rem);
}

.writing-hub__note {
  max-width: 38rem;
  margin: 0.85rem 0 0;
  color: var(--color-champagne);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.writing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 1.35rem;
}

.writing-section {
  margin-top: clamp(3.25rem, 8vw, 6rem);
}

.start-list,
.article-groups {
  display: grid;
  gap: 1rem;
}

.start-item,
.theme-card,
.article-card {
  background: rgba(23, 21, 22, 0.64);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, 0.2);
}

.start-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: clamp(1rem, 3vw, 1.35rem);
}

.start-item--anchor {
  margin-bottom: 1rem;
}

.start-item__number {
  color: var(--color-brass);
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1;
}

.start-item h3,
.article-card h4,
.article-card h3,
.theme-card h3,
.article-group h3 {
  margin: 0;
  color: var(--color-text-primary);
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.start-item h3 {
  max-width: 48rem;
  font-size: clamp(1.16rem, 2.5vw, 1.55rem);
  line-height: 1.2;
}

.theme-grid,
.article-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.9rem, 2vw, 1.2rem);
}

.article-grid--compact {
  grid-template-columns: minmax(0, 0.72fr);
}

.theme-card,
.article-card {
  padding: clamp(1.05rem, 2.7vw, 1.5rem);
}

.theme-card h3 {
  font-size: 1.18rem;
}

.article-group {
  padding-top: 0.75rem;
}

.article-group > h3 {
  margin-bottom: 1rem;
  color: var(--color-champagne);
  font-size: clamp(1.25rem, 3vw, 1.7rem);
}

.article-card {
  display: flex;
  min-height: auto;
  flex-direction: column;
}

.article-card h4 {
  font-size: clamp(1.05rem, 2.2vw, 1.28rem);
  line-height: 1.24;
}

.article-card h3 {
  font-size: clamp(1.05rem, 2.2vw, 1.28rem);
  line-height: 1.24;
}

.article-card p {
  margin: 0.75rem 0 0;
}

.article-card .text-link {
  margin-top: auto;
  padding-top: 1.15rem;
}

.text-link {
  display: inline-flex;
  width: fit-content;
  color: var(--color-champagne);
  font-weight: 800;
  text-decoration: none;
}

.text-link:hover,
.text-link:focus {
  color: var(--color-text-primary);
}

.text-link--large {
  align-self: center;
  font-size: 1.03rem;
}

.maturity-figure {
  width: 100%;
  max-width: 792px;
  margin: clamp(1.5rem, 4vw, 2.4rem) auto 0;
  padding: clamp(0.45rem, 1.4vw, 0.65rem);
  overflow: hidden;
  background: rgba(23, 21, 22, 0.62);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 1rem 2.4rem rgba(0, 0, 0, 0.24);
}

.maturity-figure__trigger {
  display: block;
  width: 100%;
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
  border-radius: 6px;
  cursor: zoom-in;
}

.maturity-figure__trigger:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

.maturity-figure img,
.image-lightbox img {
  display: block;
  height: auto;
}

.maturity-figure img {
  width: 100%;
  border-radius: 6px;
}

.maturity-figure figcaption {
  margin-top: 0.75rem;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
}

.has-lightbox-open {
  overflow: hidden;
}

.image-lightbox {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgba(7, 7, 8, 0.9);
  backdrop-filter: blur(10px);
}

.image-lightbox[hidden] {
  display: none;
}

.image-lightbox img {
  width: auto;
  max-width: min(82vw, 1280px);
  max-height: 76vh;
  object-fit: contain;
  border: 1px solid rgba(240, 216, 164, 0.28);
  border-radius: 10px;
  box-shadow: 0 2rem 5rem rgba(0, 0, 0, 0.45);
}

.image-lightbox__close {
  position: fixed;
  top: clamp(0.85rem, 2.5vw, 1.6rem);
  right: clamp(0.85rem, 2.5vw, 1.6rem);
  display: inline-grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  color: var(--color-text-primary);
  font-size: 2rem;
  line-height: 1;
  background: rgba(14, 15, 16, 0.86);
  border: 1px solid rgba(240, 216, 164, 0.34);
  border-radius: 999px;
  cursor: pointer;
}

.image-lightbox__close:hover,
.image-lightbox__close:focus-visible {
  color: var(--color-accent);
  border-color: var(--color-accent);
  outline: none;
}

.writing-substack {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.25rem;
  align-items: center;
  margin-top: clamp(3rem, 7vw, 5rem);
}

.writing-substack h2 {
  font-size: clamp(1.55rem, 4vw, 2.35rem);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.2rem clamp(1rem, 4vw, 3.25rem) 1.5rem;
  border-top: 1px solid rgba(240, 216, 164, 0.16);
  color: rgba(201, 195, 188, 0.78);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .card-grid,
  .hub-layout,
  .theme-grid,
  .article-grid,
  .article-grid--compact,
  .writing-substack {
    grid-template-columns: 1fr;
  }

  .article-card {
    min-height: auto;
  }

  .text-link--large {
    align-self: start;
  }
}

@media (max-width: 760px) {
  body,
  body.subpage,
  body.detail-page {
    background:
      linear-gradient(180deg, rgba(14, 15, 16, 0.95) 0%, rgba(14, 15, 16, 0.88) 55%, rgba(14, 15, 16, 0.76) 100%),
      url("assets/images/promptivity-header-background.png") 72% center / cover fixed no-repeat,
      var(--color-obsidian);
  }

  body.subpage {
    background:
      linear-gradient(180deg, rgba(14, 15, 16, 0.95) 0%, rgba(14, 15, 16, 0.88) 55%, rgba(14, 15, 16, 0.76) 100%),
      url("assets/images/promptivity-header-background.png") 72% center / cover fixed no-repeat,
      var(--color-obsidian);
  }

  body.detail-page {
    background:
      linear-gradient(180deg, rgba(14, 15, 16, 0.95) 0%, rgba(14, 15, 16, 0.88) 55%, rgba(14, 15, 16, 0.76) 100%),
      url("assets/images/promptivity-header-background.png") 72% center / cover fixed no-repeat,
      var(--color-obsidian);
  }

  .hero {
    width: 100%;
    max-width: 100vw;
    min-height: auto;
    padding: 3rem 1.15rem;
    overflow: hidden;
  }

  .hero--home {
    min-height: 78svh;
  }

  .hero__logo {
    width: clamp(4.75rem, 24vw, 6.75rem);
  }

  .hero__content,
  .section,
  .page-shell {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .hero__summary,
  .section__header,
  .panel,
  .card {
    max-width: 100%;
  }

  .hero__summary {
    width: min(100%, 21rem);
  }

  .writing-hub {
    overflow-x: hidden;
  }

  .writing-hub .hero,
  .writing-section,
  .start-item,
  .article-card,
  .maturity-figure,
  .writing-substack {
    max-width: 100%;
    min-width: 0;
  }

  h1,
  h2,
  h3 {
    overflow-wrap: break-word;
  }

  .site-header {
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
  }

  .site-nav {
    width: 100%;
    max-width: 100%;
    gap: 0.35rem 0.7rem;
  }

  .site-nav a {
    font-size: 0.8rem;
  }

  .card {
    min-height: auto;
  }

  .writing-hub .hero {
    padding-block: 2rem;
  }

  .writing-hub .hero__summary,
  .writing-hub__note {
    width: 100%;
  }

  .start-item {
    grid-template-columns: 1fr;
  }

  .site-footer {
    display: grid;
    text-align: left;
  }
}