/* ==========================================================================
   ARJUN TRIVEDI (@4R9UN) — 6 AUTHENTIC GETDESIGN.MD DESIGN SYSTEMS
   01. Linear.app       [data-design="linear"]
   02. Claude/Anthropic [data-design="claude"]
   03. Cursor AI        [data-design="cursor"]
   04. Vercel Geist     [data-design="vercel"]
   05. Raycast Pro      [data-design="raycast"]
   06. Stripe Executive [data-design="stripe"]
   ========================================================================== */

:root,
html[data-design="linear"] {
  --bg-canvas: #010102;
  --bg-surface: #0f1011;
  --bg-surface-alt: #141516;
  --border-color: #23252a;
  --border-hover: #3e424d;
  --text-primary: #f7f8f8;
  --text-secondary: #8a8f98;
  --text-muted: #62666d;
  --accent: #5e6ad2;
  --accent-contrast: #ffffff;
  --accent-soft: rgba(94, 106, 210, 0.16);
  --accent-2: #10b981;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --card-radius: 12px;
  --btn-radius: 8px;
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
  --heading-tracking: -0.03em;
}

html[data-design="claude"] {
  --bg-canvas: #faf9f5;
  --bg-surface: #efe9de;
  --bg-surface-alt: #f5f1e8;
  --border-color: #dcd4c4;
  --border-hover: #cc785c;
  --text-primary: #141413;
  --text-secondary: #4a4741;
  --text-muted: #78736a;
  --accent: #cc785c;
  --accent-contrast: #ffffff;
  --accent-soft: rgba(204, 120, 92, 0.15);
  --accent-2: #5db8a6;
  --font-sans: 'Inter', -apple-system, sans-serif;
  --font-display: 'Newsreader', Georgia, serif;
  --font-mono: 'JetBrains Mono', monospace;
  --card-radius: 14px;
  --btn-radius: 10px;
  --card-shadow: 0 2px 10px rgba(20, 20, 19, 0.05);
  --heading-tracking: -0.015em;
}

html[data-design="cursor"] {
  --bg-canvas: #f7f7f4;
  --bg-surface: #ffffff;
  --bg-surface-alt: #f0efe9;
  --border-color: #e6e5e0;
  --border-hover: #26251e;
  --text-primary: #26251e;
  --text-secondary: #57554d;
  --text-muted: #858278;
  --accent: #f54e00;
  --accent-contrast: #ffffff;
  --accent-soft: rgba(245, 78, 0, 0.12);
  --accent-2: #26251e;
  --font-sans: 'Inter', -apple-system, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --card-radius: 6px;
  --btn-radius: 6px;
  --card-shadow: none;
  --heading-tracking: -0.025em;
}

html[data-design="vercel"] {
  --bg-canvas: #fafafa;
  --bg-surface: #ffffff;
  --bg-surface-alt: #f2f2f2;
  --border-color: #eaeaea;
  --border-hover: #171717;
  --text-primary: #171717;
  --text-secondary: #555555;
  --text-muted: #888888;
  --accent: #171717;
  --accent-contrast: #ffffff;
  --accent-soft: rgba(0, 112, 243, 0.1);
  --accent-2: #0070f3;
  --font-sans: 'Inter', -apple-system, sans-serif;
  --font-display: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --card-radius: 0px;
  --btn-radius: 999px;
  --card-shadow: none;
  --heading-tracking: -0.035em;
}

html[data-design="raycast"] {
  --bg-canvas: #07080a;
  --bg-surface: #0d0e11;
  --bg-surface-alt: #131519;
  --border-color: #242728;
  --border-hover: #57c1ff;
  --text-primary: #f9f9f9;
  --text-secondary: #9ba1a8;
  --text-muted: #687078;
  --accent: #ff6161;
  --accent-contrast: #ffffff;
  --accent-soft: rgba(87, 193, 255, 0.14);
  --accent-2: #57c1ff;
  --font-sans: 'Inter', -apple-system, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --card-radius: 14px;
  --btn-radius: 10px;
  --card-shadow: 0 12px 32px rgba(0, 0, 0, 0.55);
  --heading-tracking: -0.025em;
}

html[data-design="stripe"] {
  --bg-canvas: #f6f9fc;
  --bg-surface: #ffffff;
  --bg-surface-alt: #eef4fa;
  --border-color: #e3e8ee;
  --border-hover: #533afd;
  --text-primary: #0a2540;
  --text-secondary: #425466;
  --text-muted: #697386;
  --accent: #533afd;
  --accent-contrast: #ffffff;
  --accent-soft: rgba(83, 58, 253, 0.11);
  --accent-2: #00d4b6;
  --font-sans: 'Inter', -apple-system, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --card-radius: 16px;
  --btn-radius: 999px;
  --card-shadow: 0 13px 27px -5px rgba(50, 50, 93, 0.1), 0 8px 16px -8px rgba(0, 0, 0, 0.08);
  --heading-tracking: -0.025em;
}

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

html, body {
  min-height: 100%;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  transition: background-color 0.22s ease, color 0.22s ease;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input {
  font-family: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* ==========================================================================
   FLOATING TOP DESIGN-MD & HEADSHOT STUDIO SWITCHER BAR
   ========================================================================== */
.design-studio-bar {
  position: sticky;
  top: 0;
  z-index: 1200;
  background: rgba(10, 12, 18, 0.94);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 10px 16px;
  color: #f8fafc;
}

.studio-bar-container {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.studio-cluster {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.studio-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 4px 8px;
  border-radius: 6px;
}

.design-switcher, .portrait-switcher {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
}

.ds-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 11px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #94a3b8;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.18s ease;
}

.ds-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.ds-btn.active {
  color: #060913;
  background: #f8fafc;
  border-color: #ffffff;
  font-weight: 700;
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.25);
}

.ds-idx {
  font-family: var(--font-mono);
  font-size: 10px;
  opacity: 0.7;
}

.studio-sep {
  width: 1px;
  height: 24px;
  background: rgba(255, 255, 255, 0.14);
}

.pt-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px 3px 4px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all 0.18s ease;
}

.pt-btn img {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
}

.pt-btn.active {
  color: #ffffff;
  background: rgba(16, 185, 129, 0.22);
  border-color: #10b981;
}

/* ==========================================================================
   STICKY SUBNAV BAR
   ========================================================================== */
.section-subnav {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 20px;
}

.subnav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.active-ds-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
}

.ds-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.subnav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.subnav-links a:hover {
  color: var(--accent);
}

.subnav-cv-link {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--accent);
  padding: 5px 12px;
  border-radius: var(--btn-radius);
  background: var(--accent-soft);
}

/* ==========================================================================
   SHARED LAYOUT & COMPONENTS ACROSS ALL 6 DESIGN.MDs
   ========================================================================== */
.portfolio-wrapper {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 20px 80px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.ds-hero {
  display: none;
  animation: dsFadeIn 0.26s ease;
}

.ds-hero.active {
  display: block;
}

@keyframes dsFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.surface-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 26px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.surface-card:hover {
  border-color: var(--border-hover);
}

.mono-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.mono-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 6px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.accent-badge {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: transparent;
}

.display-headline {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.1vw, 38px);
  font-weight: 700;
  letter-spacing: var(--heading-tracking);
  line-height: 1.15;
  margin-bottom: 12px;
}

.lead-paragraph {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.62;
}

.lead-paragraph strong {
  color: var(--text-primary);
}

.avatar-vessel {
  position: relative;
  width: 132px;
  height: 132px;
  border-radius: 22px;
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid var(--border-color);
  background: #0d1322;
}

.avatar-vessel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.online-indicator {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #10b981;
  border: 2px solid var(--bg-surface);
}

.hero-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: var(--btn-radius);
  font-size: 13px;
  font-weight: 600;
  background: var(--accent);
  color: var(--accent-contrast);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: var(--btn-radius);
  font-size: 13px;
  font-weight: 600;
  background: var(--bg-surface-alt);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.btn-secondary:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.btn-xs {
  padding: 7px 13px;
  font-size: 12px;
}

.kbd-group kbd {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  margin-right: 3px;
}

/* ==========================================================================
   HERO 01: LINEAR.APP ARCHETYPE
   ========================================================================== */
.linear-hero-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 18px;
}

.linear-breadcrumb {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  font-size: 12px;
  color: var(--text-muted);
}

.hero-identity-row {
  display: flex;
  align-items: flex-start;
  gap: 22px;
}

.board-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.linear-issue-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.linear-issue-row {
  display: grid;
  grid-template-columns: 58px 18px 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 9px 11px;
  border-radius: 8px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  font-size: 12.5px;
}

.issue-id {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.status-done {
  color: #5e6ad2;
}

.issue-metric {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: #10b981;
}

/* ==========================================================================
   HERO 02: CLAUDE / ANTHROPIC ARCHETYPE
   ========================================================================== */
.claude-editorial-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 22px;
}

.claude-monograph-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: #cc785c;
  margin-bottom: 12px;
}

.claude-serif-title {
  font-family: 'Newsreader', Georgia, serif;
  font-size: clamp(30px, 3.6vw, 44px);
  font-weight: 500;
  line-height: 1.14;
  margin-bottom: 16px;
}

.claude-portrait-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.avatar-claude {
  width: 108px;
  height: 108px;
  border-radius: 50%;
}

.claude-caption {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 13px;
  color: var(--text-secondary);
}

.claude-caption strong {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 20px;
  color: var(--text-primary);
}

.claude-key-list {
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-secondary);
}

/* ==========================================================================
   HERO 03: CURSOR AI IDE + COMPOSER ARCHETYPE
   ========================================================================== */
.cursor-top-intro {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 22px;
}

.cursor-author-chip {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: 820px;
}

.avatar-cursor {
  width: 104px;
  height: 104px;
  border-radius: 10px;
}

.cursor-ide-window {
  background: #141413;
  color: #f7f7f4;
  border: 1px solid #26251e;
  border-radius: 8px;
  overflow: hidden;
}

.ide-tabbar {
  display: flex;
  background: #1e1e1c;
  border-bottom: 1px solid #2e2e2a;
}

.ide-tab {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 9px 16px;
  color: #9e9b90;
  border-right: 1px solid #2e2e2a;
}

.ide-tab.active {
  background: #141413;
  color: #f54e00;
  font-weight: 600;
}

.ide-split-body {
  display: grid;
  grid-template-columns: 7fr 5fr;
}

.ide-code-pane {
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: #e6e5e0;
  overflow-x: auto;
  border-right: 1px solid #2e2e2a;
}

.ide-composer-pane {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 12.5px;
  background: #191917;
}

.composer-head {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: #f54e00;
  font-weight: 700;
}

.composer-msg, .composer-reply {
  padding: 10px 12px;
  border-radius: 6px;
  background: #22221f;
  color: #d8d6ce;
}

/* ==========================================================================
   HERO 04: VERCEL GEIST ARCHITECTURAL GRID ARCHETYPE
   ========================================================================== */
.vercel-grid-frame {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
}

.crosshair {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1;
  pointer-events: none;
}

.ch-tl { top: -9px; left: -5px; }
.ch-tr { top: -9px; right: -5px; }
.ch-bl { bottom: -9px; left: -5px; }
.ch-br { bottom: -9px; right: -5px; }

.vercel-hero-top {
  padding: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  border-bottom: 1px solid var(--border-color);
}

.vercel-identity {
  display: flex;
  align-items: center;
  gap: 22px;
  max-width: 820px;
}

.avatar-vercel {
  width: 112px;
  height: 112px;
  border-radius: 50%;
}

.vercel-cell-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.v-cell {
  padding: 22px 26px;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.v-cell:last-child {
  border-right: none;
}

.v-cell strong {
  font-size: 28px;
  letter-spacing: -0.03em;
}

.v-cell small {
  font-size: 12.5px;
  color: var(--text-secondary);
}

/* ==========================================================================
   HERO 05: RAYCAST PRO COMMAND LAUNCHER ARCHETYPE
   ========================================================================== */
.raycast-launcher {
  padding: 0;
  overflow: hidden;
}

.raycast-searchbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-surface-alt);
}

.ray-icon {
  font-family: var(--font-mono);
  font-size: 16px;
  color: #ff6161;
}

#raycast-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 14px;
}

.raycast-identity-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.avatar-raycast {
  width: 88px;
  height: 88px;
  border-radius: 18px;
}

.raycast-id-text {
  flex: 1;
  min-width: 240px;
}

.raycast-id-text h1 {
  font-size: 24px;
}

.raycast-id-text h1 span {
  font-family: var(--font-mono);
  font-size: 14px;
  color: #57c1ff;
}

.raycast-id-text p {
  font-size: 13.5px;
  color: var(--text-secondary);
}

.raycast-quick-btns {
  display: flex;
  gap: 8px;
}

.raycast-cmd-list {
  display: flex;
  flex-direction: column;
  padding: 10px;
  gap: 4px;
}

.ray-cmd-item {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  transition: background 0.15s ease;
}

.ray-cmd-item:hover {
  background: var(--bg-surface-alt);
}

.ray-cmd-badge {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  text-align: center;
}

.cyan-chip { background: rgba(87, 193, 255, 0.15); color: #57c1ff; }
.coral-chip { background: rgba(255, 97, 97, 0.15); color: #ff6161; }
.emerald-chip { background: rgba(89, 212, 153, 0.15); color: #59d499; }
.gold-chip { background: rgba(255, 197, 51, 0.15); color: #ffc533; }

.ray-cmd-title {
  font-weight: 600;
}

.ray-cmd-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-muted);
}

/* ==========================================================================
   HERO 06: STRIPE EXECUTIVE INDIGO BANNER ARCHETYPE
   ========================================================================== */
.stripe-executive-banner {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 28px;
  padding: 36px;
  border-radius: 22px;
  background: linear-gradient(135deg, #1c1e54 0%, #0a2540 60%, #2e1a68 100%);
  color: #ffffff;
  box-shadow: 0 20px 45px -10px rgba(28, 30, 84, 0.35);
}

.stripe-executive-banner .lead-paragraph,
.stripe-executive-banner .lead-paragraph strong {
  color: #e2e8f0;
}

.stripe-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #00d4b6;
  margin-bottom: 14px;
}

.stripe-composite-card {
  background: rgba(255, 255, 255, 0.98);
  color: #0a2540;
  border-radius: 16px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
}

.stripe-card-top {
  display: flex;
  align-items: center;
  gap: 14px;
}

.avatar-stripe {
  width: 84px;
  height: 84px;
  border-radius: 50%;
}

.stripe-card-top strong {
  display: block;
  font-size: 18px;
}

.stripe-card-top span {
  display: block;
  font-size: 13px;
  color: #425466;
}

.stripe-card-top small {
  font-size: 11.5px;
  color: #697386;
}

.stripe-kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.stripe-kpi {
  padding: 12px;
  border-radius: 10px;
  background: #f6f9fc;
  border: 1px solid #e3e8ee;
  font-variant-numeric: tabular-nums;
}

.kpi-num {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: #533afd;
}

.kpi-lbl {
  font-size: 11.5px;
  color: #425466;
}

/* ==========================================================================
   DOSSIER SECTIONS (PILLARS, 5 ROLES, 6 SYSTEMS, ARCHITECTURE, CREDENTIALS)
   ========================================================================== */
.dossier-section {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  letter-spacing: var(--heading-tracking);
}

.section-subtitle {
  max-width: 480px;
  font-size: 13.5px;
  color: var(--text-secondary);
}

/* Pillars 3-col */
.pillars-three-col,
.credentials-three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.pillar-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.pillar-stat {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-2);
}

.pillar-card h3,
.cred-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  margin-bottom: 12px;
}

.clean-bullet-list {
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-secondary);
}

.clean-bullet-list strong {
  color: var(--text-primary);
}

.two-col-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 26px;
}

/* Filter Chips */
.exp-filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.filter-chip {
  font-size: 12px;
  font-weight: 600;
  padding: 6px 13px;
  border-radius: var(--btn-radius);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: all 0.18s ease;
}

.filter-chip.active, .filter-chip:hover {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
}

/* Experience Stack (5 Roles) */
.experience-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.exp-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.exp-org-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 6px;
}

.exp-dates {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.exp-role-title {
  font-family: var(--font-display);
  font-size: 20px;
}

.org-highlight {
  color: var(--accent);
}

.exp-kpi-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.exp-kpi-chips span {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
}

.exp-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.exp-col h4 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 10px;
}

/* 6 Flagship Systems Grid */
.systems-grid-six {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.sys-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
}

.sys-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.sys-metric {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.sys-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
}

.sys-card p {
  font-size: 13.5px;
  color: var(--text-secondary);
}

.sys-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.sys-tags span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 3px 8px;
  border-radius: 5px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.sys-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 6px;
}

.sys-links .btn-xs {
  white-space: nowrap;
}

/* Architecture SVG Card */
.arch-showcase-card {
  padding: 16px;
  background: #060913;
}

.arch-pane {
  display: none;
}

.arch-pane.active {
  display: block;
}

.arch-pane img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

/* Credentials 3-Col */
.cred-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cred-item {
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.cred-year {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--accent);
  margin-bottom: 3px;
}

.cred-item strong {
  display: block;
  font-size: 14.5px;
  margin-bottom: 3px;
}

.cred-item p {
  font-size: 13px;
  color: var(--text-secondary);
}

.exec-footer {
  margin-top: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.exec-footer h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin-bottom: 4px;
}

.exec-footer p {
  font-size: 13.5px;
  color: var(--text-secondary);
}

/* ==========================================================================
   VIBE RESEARCH CALLOUT, KEYBOARD HINT & RUN STACK IN 60 SECONDS PANEL
   ========================================================================== */
.studio-kbd-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}

.studio-kbd-hint kbd {
  padding: 2px 6px;
  border-radius: 5px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 10.5px;
}

.vibe-research-callout {
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: 10px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent);
}

.vibe-callout-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 6px;
}

.vibe-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-2);
}

.vibe-research-callout p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.vibe-research-callout strong {
  color: var(--text-primary);
}

.quickstart-stack-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.quickstart-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.quickstart-title {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 6px 0 4px;
}

.quickstart-sub {
  font-size: 13.5px;
  color: var(--text-secondary);
}

.qs-pane {
  display: none;
}

.qs-pane.active {
  display: block;
}

.qs-two-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  align-items: stretch;
}

.term-window {
  background: #0a0b0e;
  border: 1px solid #23252a;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.term-header {
  background: #12141a;
  padding: 10px 16px;
  border-bottom: 1px solid #23252a;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.term-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}

.term-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.term-title {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: #94a3b8;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.term-copy-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  background: #1b1e26;
  border: 1px solid #2e323b;
  color: #f8fafc;
  transition: all 0.16s ease;
  white-space: nowrap;
}

.term-copy-btn:hover,
.copy-trigger.copied {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
}

.term-body {
  margin: 0;
  padding: 18px;
  background: #07080c;
  color: #e2e8f0;
  font-family: 'JetBrains Mono', var(--font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  overflow-x: auto;
  flex: 1;
}

.term-footer {
  padding: 14px 18px;
  background: #0d0f14;
  border-top: 1px solid #1e2028;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.qs-desc {
  font-size: 13px;
  color: #94a3b8;
  line-height: 1.55;
}

.qs-desc strong,
.qs-desc code {
  color: #f1f5f9;
}

.fde-playbook-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.fde-step-card {
  padding: 20px;
  border-radius: 12px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-top: 2px solid var(--accent);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}

.fde-step-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.fde-step-arrow {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
}

.fde-step-card h4 {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--text-primary);
}

.fde-step-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1060px) {
  .linear-hero-grid,
  .claude-editorial-grid,
  .ide-split-body,
  .stripe-executive-banner,
  .pillars-three-col,
  .systems-grid-six,
  .credentials-three-col,
  .exp-columns,
  .two-col-list,
  .qs-two-col {
    grid-template-columns: 1fr;
  }
  .vercel-cell-matrix,
  .fde-playbook-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .studio-kbd-hint {
    display: none;
  }
}

@media (max-width: 680px) {
  .hero-identity-row,
  .cursor-author-chip,
  .vercel-identity {
    flex-direction: column;
    align-items: flex-start;
  }
  .vercel-cell-matrix {
    grid-template-columns: 1fr;
  }
  .ray-cmd-item {
    grid-template-columns: 1fr;
  }
}