:root {
  /* Hyperstudio (Refero 8eb9c53e-d69c-497a-b640-610856cf3a60) Exact Color Tokens */
  --color-obsidian: #101010;
  --color-carbon: #080808;
  --color-chalk: #f3f3f3;
  --color-smoke: #9c9c9c;
  --color-ash: #c1c1c1;
  --color-graphite: #212121;
  --color-iron: #474747;
  --color-signal-white: #ffffff;
  --color-compass-gold: #6f6759;
  --color-card-slate: #3b3d45;
  --color-pulse-green: #98ff38;

  /* Typography - Weight 400 across all sizes, scale and tracking carry hierarchy */
  --font-aeonik: 'Onest', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-input: 'JetBrains Mono', 'IBM Plex Mono', monospace;

  /* Hyperstudio Type Scale */
  --text-caption: 13px;
  --text-body: 16px;
  --text-heading-xs: 18px;
  --text-subheading: 21px;
  --text-heading-sm: 23px;
  --text-heading: 34px;
  --text-heading-lg: 44px;
  --text-display: 63px;

  /* Layout & Radii (Architectural: 4px tags, 8px cards, 9999px primary white pills) */
  --page-max-width: 1200px;
  --radius-tags: 4px;
  --radius-cards: 8px;
  --radius-pills: 9999px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--color-obsidian);
  color: var(--color-chalk);
}

body {
  font-family: var(--font-aeonik);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: 1.45;
  background-color: var(--color-obsidian);
  color: var(--color-chalk);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease, opacity 0.18s ease;
}

.hs-container {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Full-width 1px Graphite horizontal divider - the line IS the layout */
.hs-rule {
  width: 100%;
  border: 0;
  border-top: 1px solid var(--color-graphite);
}

/* =========================================================
   TOP NAVIGATION BAR (Hyperstudio 1px bottom border)
   ========================================================= */
.hs-header {
  border-bottom: 1px solid var(--color-graphite);
  background: var(--color-obsidian);
  position: sticky;
  top: 0;
  z-index: 90;
}

.hs-header-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.hs-nav-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.hs-wordmark {
  font-size: 18px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--color-chalk);
  white-space: nowrap;
}

.hs-nav-divider {
  width: 1px;
  height: 16px;
  background: var(--color-graphite);
}

.hs-nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.hs-nav-link {
  font-family: var(--font-input);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: -0.022em;
  text-transform: uppercase;
  color: var(--color-smoke);
}

.hs-nav-link:hover,
.hs-nav-link.active {
  color: var(--color-chalk);
}

.hs-nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* =========================================================
   HYPERSTUDIO BUTTONS & STATUS PILLS
   ========================================================= */
.hs-btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--color-signal-white);
  color: var(--color-obsidian);
  border: 1px solid var(--color-signal-white);
  border-radius: var(--radius-pills);
  padding: 11px 22px;
  font-family: var(--font-input);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
}

.hs-btn-white:hover {
  background: var(--color-chalk);
}

.hs-btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: transparent;
  color: var(--color-chalk);
  border: 1px solid var(--color-iron);
  border-radius: var(--radius-cards);
  padding: 11px 20px;
  font-family: var(--font-input);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
}

.hs-btn-ghost:hover {
  border-color: var(--color-signal-white);
}

.hs-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #1a1a1a;
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-tags);
  padding: 7px 14px;
  font-family: var(--font-input);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-smoke);
}

.hs-pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-pulse-green);
  flex-shrink: 0;
}

.hs-gold-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-compass-gold);
  flex-shrink: 0;
}

.hs-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #151515;
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-tags);
  padding: 4px 10px;
  font-family: var(--font-input);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--color-smoke);
}

.hs-tag.light {
  border-color: var(--color-iron);
  color: var(--color-chalk);
}

/* =========================================================
   HERO + DOT-MATRIX ARCHITECTURAL CANVAS
   ========================================================= */
.hs-hero {
  background: var(--color-carbon);
  border-bottom: 1px solid var(--color-graphite);
  padding-top: 64px;
}

.hs-hero-center {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.hs-display {
  font-family: var(--font-aeonik);
  font-size: clamp(36px, 5.2vw, var(--text-display));
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.69px;
  color: var(--color-chalk);
  margin: 22px 0 20px;
}

.hs-hero-sub {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.48;
  color: var(--color-smoke);
  max-width: 660px;
  margin: 0 auto 28px;
}

.hs-hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 44px;
}

/* Signature Hyperstudio White Dot-Matrix Graphic on Carbon */
.hs-dotmap-wrap {
  max-width: var(--page-max-width);
  margin: 0 auto;
  border-top: 1px solid var(--color-graphite);
  border-left: 1px solid var(--color-graphite);
  border-right: 1px solid var(--color-graphite);
  background: var(--color-carbon);
  position: relative;
  overflow: hidden;
}

.hs-dotmap-svg {
  width: 100%;
  height: 220px;
  display: block;
}

/* 4-Column Architectural Metrics Strip inside the Hero Frame */
.hs-metrics-bar {
  max-width: var(--page-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--color-graphite);
  border-left: 1px solid var(--color-graphite);
  border-right: 1px solid var(--color-graphite);
  background: var(--color-obsidian);
}

.hs-metric-cell {
  padding: 28px 28px;
  border-right: 1px solid var(--color-graphite);
}

.hs-metric-cell:last-child {
  border-right: 0;
}

.hs-metric-code {
  font-family: var(--font-input);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--color-compass-gold);
  margin-bottom: 10px;
  display: block;
}

.hs-metric-val {
  font-size: 34px;
  font-weight: 400;
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--color-chalk);
  margin-bottom: 8px;
}

.hs-metric-desc {
  font-size: 14px;
  line-height: 1.4;
  color: var(--color-smoke);
}

/* =========================================================
   SECTION HEADERS & 2x2 ARCHITECTURAL GRID (Hyperstudio Services)
   ========================================================= */
.hs-section {
  padding: 88px 0;
  border-bottom: 1px solid var(--color-graphite);
}

.hs-section-label {
  font-family: var(--font-input);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: -0.022em;
  text-transform: uppercase;
  color: var(--color-compass-gold);
  margin-bottom: 12px;
  display: block;
}

.hs-section-title {
  font-size: clamp(28px, 3.6vw, var(--text-heading-lg));
  font-weight: 400;
  line-height: 1.07;
  letter-spacing: -0.31px;
  color: var(--color-chalk);
  margin-bottom: 12px;
}

.hs-section-sub {
  font-size: 16px;
  line-height: 1.45;
  color: var(--color-smoke);
  max-width: 620px;
  margin-bottom: 40px;
}

/* Hyperstudio 2x2 Bordered Frame Grid */
.hs-grid-2x2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--color-graphite);
  background: var(--color-obsidian);
}

.hs-cell {
  padding: 40px;
  border-right: 1px solid var(--color-graphite);
  border-bottom: 1px solid var(--color-graphite);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

.hs-cell:nth-child(2n) {
  border-right: 0;
}

.hs-cell:nth-last-child(-n+2) {
  border-bottom: 0;
}

.hs-icon-gold {
  width: 28px;
  height: 28px;
  color: var(--color-compass-gold);
  margin-bottom: 8px;
}

.hs-icon-gold svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
}

.hs-cell-title {
  font-family: var(--font-input);
  font-size: 14px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-chalk);
  margin-bottom: 10px;
}

.hs-cell-body {
  font-size: 15px;
  line-height: 1.55;
  color: var(--color-smoke);
}

.hs-cell-foot {
  padding-top: 16px;
  border-top: 1px solid var(--color-graphite);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-input);
  font-size: 12px;
  color: var(--color-ash);
}

/* =========================================================
   PORTFOLIO / CASES ARCHITECTURAL SHOWCASE
   ========================================================= */
.hs-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--color-graphite);
}

.hs-case-col {
  border-right: 1px solid var(--color-graphite);
  display: flex;
  flex-direction: column;
}

.hs-case-col:last-child {
  border-right: 0;
}

.hs-case-head {
  padding: 20px 28px;
  border-bottom: 1px solid var(--color-graphite);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-carbon);
}

.hs-case-name {
  font-size: 16px;
  font-weight: 400;
  color: var(--color-chalk);
}

.hs-case-cat {
  font-family: var(--font-input);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--color-smoke);
}

.hs-case-diagram {
  height: 150px;
  background: var(--color-carbon);
  border-bottom: 1px solid var(--color-graphite);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.hs-case-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex-grow: 1;
}

.hs-case-row {
  font-size: 14px;
  line-height: 1.48;
  color: var(--color-smoke);
}

.hs-case-row strong {
  font-family: var(--font-input);
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  color: var(--color-chalk);
  display: block;
  margin-bottom: 3px;
}

/* =========================================================
   THE HYPER PROCESS SPLIT (Left Heading + Right 01..04 Steps)
   ========================================================= */
.hs-process-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  border: 1px solid var(--color-graphite);
}

.hs-process-left {
  padding: 44px;
  border-right: 1px solid var(--color-graphite);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--color-carbon);
}

.hs-process-right {
  display: flex;
  flex-direction: column;
}

.hs-step-row {
  padding: 28px 36px;
  border-bottom: 1px solid var(--color-graphite);
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 16px;
}

.hs-step-row:last-child {
  border-bottom: 0;
}

.hs-step-num {
  font-family: var(--font-input);
  font-size: 12px;
  color: var(--color-compass-gold);
  padding-top: 2px;
}

.hs-step-title {
  font-family: var(--font-input);
  font-size: 13px;
  text-transform: uppercase;
  color: var(--color-chalk);
  margin-bottom: 6px;
}

.hs-step-text {
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-smoke);
}

/* =========================================================
   ARCHITECTURAL LETTERS INDEX & SUBDOMAIN GRID
   ========================================================= */
.hs-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  border: 1px solid var(--color-graphite);
  border-bottom: 0;
  background: var(--color-carbon);
}

.hs-filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.hs-filter-btn {
  background: transparent;
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-tags);
  padding: 6px 12px;
  font-family: var(--font-input);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--color-smoke);
  cursor: pointer;
}

.hs-filter-btn:hover {
  color: var(--color-chalk);
  border-color: var(--color-iron);
}

.hs-filter-btn.active {
  background: var(--color-signal-white);
  color: var(--color-obsidian);
  border-color: var(--color-signal-white);
}

.hs-search-input {
  background: var(--color-obsidian);
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-tags);
  padding: 7px 12px;
  font-family: var(--font-input);
  font-size: 12px;
  color: var(--color-chalk);
  width: 240px;
}

.hs-search-input:focus {
  outline: none;
  border-color: var(--color-iron);
}

.hs-articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--color-graphite);
}

.hs-article-cell {
  padding: 32px;
  border-right: 1px solid var(--color-graphite);
  border-bottom: 1px solid var(--color-graphite);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
  background: var(--color-obsidian);
  transition: background-color 0.18s ease;
}

.hs-article-cell:hover {
  background: #141414;
}

.hs-article-cell:nth-child(2n) {
  border-right: 0;
}

.hs-article-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.hs-article-icon {
  width: 28px;
  height: 28px;
  color: var(--color-compass-gold);
}

.hs-article-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
}

.hs-article-title {
  font-size: var(--text-heading-sm);
  font-weight: 400;
  line-height: 1.18;
  color: var(--color-chalk);
  margin: 14px 0 8px;
}

.hs-article-excerpt {
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-smoke);
}

.hs-article-ab {
  padding: 10px 12px;
  background: var(--color-carbon);
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-tags);
  font-size: 13px;
  line-height: 1.4;
  color: var(--color-smoke);
}

.hs-article-ab span {
  font-family: var(--font-input);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--color-compass-gold);
}

.hs-article-foot {
  padding-top: 14px;
  border-top: 1px solid var(--color-graphite);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-input);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--color-smoke);
}

.hs-article-cta {
  color: var(--color-chalk);
}

/* =========================================================
   MANIFESTO / WHY BLOCK & BOTTOM CTA BAR
   ========================================================= */
.hs-manifesto-box {
  border: 1px solid var(--color-graphite);
  background: var(--color-carbon);
  padding: 48px;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: center;
}

.hs-photo-frame {
  width: 200px;
  height: 220px;
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-cards);
  background: var(--color-obsidian);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: pointer;
}

.hs-photo-frame:hover {
  border-color: var(--color-iron);
}

.hs-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
}

.hs-photo-frame.has-photo img {
  display: block;
}

.hs-photo-frame.has-photo .hs-photo-placeholder {
  display: none;
}

.hs-photo-placeholder {
  text-align: center;
  padding: 16px;
}

.hs-photo-initials {
  font-size: 32px;
  font-weight: 400;
  color: var(--color-chalk);
  display: block;
  margin-bottom: 6px;
}

.hs-photo-hint {
  font-family: var(--font-input);
  font-size: 10px;
  text-transform: uppercase;
  color: var(--color-smoke);
}

.hs-bottom-bar {
  margin-top: 24px;
  border: 1px solid var(--color-graphite);
  background: var(--color-carbon);
  padding: 28px 36px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* =========================================================
   LETTERS SUBDOMAIN TOP ARCHITECTURAL SPLIT (No dead space!)
   ========================================================= */
.hs-sub-hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  border-left: 1px solid var(--color-graphite);
  border-right: 1px solid var(--color-graphite);
  border-bottom: 1px solid var(--color-graphite);
  background: var(--color-carbon);
}

.hs-sub-left {
  padding: 40px;
  border-right: 1px solid var(--color-graphite);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}

.hs-sub-right {
  padding: 40px;
  background: var(--color-obsidian);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

.hs-tier-table {
  border: 1px solid var(--color-graphite);
}

.hs-tier-row {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-graphite);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.hs-tier-row:last-child {
  border-bottom: 0;
  background: #141414;
}

.hs-tier-name {
  font-family: var(--font-input);
  font-size: 12px;
  text-transform: uppercase;
  color: var(--color-chalk);
  display: block;
}

.hs-tier-sub {
  font-size: 13px;
  color: var(--color-smoke);
}

.hs-tier-price {
  font-size: 22px;
  font-weight: 400;
  color: var(--color-chalk);
  white-space: nowrap;
}

.hs-code-bar {
  display: flex;
  gap: 8px;
  align-items: center;
}

.hs-code-input {
  flex: 1;
  background: var(--color-carbon);
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-tags);
  padding: 10px 12px;
  font-family: var(--font-input);
  font-size: 12px;
  color: var(--color-chalk);
}

.hs-code-input:focus {
  outline: none;
  border-color: var(--color-iron);
}

.hs-code-msg {
  font-family: var(--font-input);
  font-size: 11px;
  color: var(--color-smoke);
  margin-top: 6px;
}

/* =========================================================
   READER MODAL & PAYWALL GATE (Hyperstudio 8px Frame)
   ========================================================= */
.hs-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 8, 8, 0.88);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.hs-modal-backdrop.open {
  display: flex;
}

.hs-reader {
  width: 100%;
  max-width: 780px;
  max-height: 90vh;
  background: var(--color-obsidian);
  border: 1px solid var(--color-iron);
  border-radius: var(--radius-cards);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-iron) transparent;
}

.hs-reader-head {
  padding: 20px 32px;
  border-bottom: 1px solid var(--color-graphite);
  background: var(--color-carbon);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 5;
}

.hs-reader-content {
  padding: 36px 32px;
}

.hs-reader-title {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--color-chalk);
  margin-bottom: 16px;
}

.hs-reader-note {
  padding: 14px 18px;
  border: 1px solid var(--color-graphite);
  background: var(--color-carbon);
  font-size: 15px;
  color: var(--color-ash);
  margin-bottom: 24px;
}

.hs-reader-body p {
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-chalk);
  margin-bottom: 18px;
}

.hs-paywall-fade {
  position: relative;
  max-height: 96px;
  overflow: hidden;
  user-select: none;
}

.hs-paywall-fade::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16, 16, 16, 0) 0%, var(--color-obsidian) 92%);
}

.hs-paywall-box {
  margin-top: 12px;
  border: 1px solid var(--color-iron);
  background: var(--color-carbon);
  padding: 28px;
}

.hs-paywall-box h3 {
  font-size: 23px;
  font-weight: 400;
  line-height: 1.15;
  color: var(--color-chalk);
  margin: 12px 0 8px;
}

.hs-reader-foot {
  padding: 20px 32px;
  border-top: 1px solid var(--color-graphite);
  background: var(--color-carbon);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.hs-footer {
  padding: 36px 0;
  text-align: center;
  font-family: var(--font-input);
  font-size: 12px;
  color: var(--color-smoke);
}

@media (max-width: 960px) {
  .hs-metrics-bar,
  .hs-grid-2x2,
  .hs-cases-grid,
  .hs-process-grid,
  .hs-articles-grid,
  .hs-sub-hero,
  .hs-manifesto-box {
    grid-template-columns: 1fr;
  }
  .hs-metric-cell,
  .hs-cell,
  .hs-case-col,
  .hs-process-left,
  .hs-article-cell,
  .hs-sub-left {
    border-right: 0;
    border-bottom: 1px solid var(--color-graphite);
  }
  .hs-nav-links,
  .hs-nav-divider {
    display: none;
  }
}