/* ==========================================================================
   KaVibe Group — Monogram Grid Shell & Project Theming
   Portfolio of AI Systems & Tactical Engineering by Victor Santos

   Shell palette and type follow Kavibe-Group/kavibegroup/docs/identidade-visual.md
   (final, 13/10/2026): Slate #20242B, Clay #B06A4A, Sand #E4DCC9, Paper #FAFAF7;
   Space Grotesk 600 + IBM Plex Sans 400/500; scale 1.25 (13/16/20/25/31/39 px).
   Clay is 4.0:1 on Paper: only for text >= 24px or graphic use.
   Fonts are loaded per page with <link> tags generated by build.js.
   ========================================================================== */

:root {
  /* Monogram Grid */
  --kv-slate: #20242B;
  --kv-clay: #B06A4A;
  --kv-sand: #E4DCC9;
  --kv-paper: #FAFAF7;

  /* Derived from the four tokens above (mixes only, no new hues) */
  --kv-ink-2: #5D6064;      /* Slate 72% on Paper: secondary text, 6.0:1 on Paper */
  --kv-panel: #F2EFE7;      /* Sand 35% on Paper: quiet panels */
  --kv-line: var(--kv-sand);
  --kv-line-strong: #CECFCE; /* Slate 20% on Paper */
  --kv-on-slate-2: #B3AEA2; /* Sand 75% on Slate: secondary text on Slate, 7.0:1 */

  /* Status (functional, not brand) */
  --status-active-bg: #ECFDF5;
  --status-active-text: #065F46;
  --status-active-border: #A7F3D0;
  --status-dev-bg: #EFF6FF;
  --status-dev-text: #1E40AF;
  --status-dev-border: #BFDBFE;
  --status-archived-bg: var(--kv-panel);
  --status-archived-text: var(--kv-ink-2);
  --status-archived-border: var(--kv-line-strong);

  /* Typography */
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --step--1: 0.8125rem; /* 13 */
  --step-0: 1rem;       /* 16 */
  --step-1: 1.25rem;    /* 20 */
  --step-2: 1.5625rem;  /* 25 */
  --step-3: 1.9375rem;  /* 31 */
  --step-4: 2.4375rem;  /* 39 */
  --step-5: 3.0625rem;  /* 49 */

  /* Layout */
  --container-max: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-hover: 0 12px 24px -12px rgba(32, 36, 43, 0.22);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  font-family: var(--font-body);
  background-color: var(--kv-paper);
  color: var(--kv-slate);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  overflow-wrap: break-word;
}

main { flex: 1 0 auto; }

/* Accessibility */
:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 200;
  padding: 0.6rem 1rem;
  background: var(--kv-slate);
  color: var(--kv-paper);
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus { top: 1rem; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

[hidden] { display: none !important; }

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--kv-slate);
  letter-spacing: -0.015em;
  text-wrap: balance;
}

p { color: var(--kv-ink-2); text-wrap: pretty; }

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

ul, ol { list-style: none; }

img, svg {
  display: block;
  max-width: 100%;
}

.icon-arrow {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(250, 250, 247, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--kv-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 60px;
}

.brand-link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-1);
  letter-spacing: -0.02em;
  color: var(--kv-slate);
  white-space: nowrap;
}

.header-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-right: auto;
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--kv-ink-2);
  white-space: nowrap;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--kv-clay);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--kv-ink-2);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background-color 0.15s;
}

.nav-link:hover {
  color: var(--kv-slate);
  background-color: var(--kv-panel);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.7rem 1.35rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.18s, border-color 0.18s, color 0.18s, transform 0.15s var(--ease), box-shadow 0.18s;
}

.btn:active {
  transform: translateY(1px) scale(0.985);
}

.btn-primary {
  background-color: var(--kv-slate);
  color: var(--kv-paper);
}

.btn-primary:hover {
  background-color: #33383F;
  box-shadow: 0 4px 14px -3px rgba(32, 36, 43, 0.25);
}

.btn-secondary {
  background-color: transparent;
  color: var(--kv-slate);
  border-color: var(--kv-line-strong);
}

.btn-secondary:hover {
  background-color: var(--kv-panel);
  border-color: var(--kv-slate);
}

/* ==========================================================================
   Hero Section & Entrance Animations
   ========================================================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-section {
  padding: clamp(1.75rem, 4vw, 3.75rem) 0;
  border-bottom: 1px solid var(--kv-line);
}

.hero-content { max-width: 880px; }

.hero-eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: 0.6rem;
  row-gap: 0.15rem;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--kv-ink-2);
  margin-bottom: 1.25rem;
}

.eyebrow-sep { color: var(--kv-clay); }

.hero-title {
  font-size: clamp(var(--step-4), 6.2vw, 3.8125rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin-bottom: 1.25rem;
}

.hero-headline {
  font-size: clamp(var(--step-0), 2.2vw, var(--step-1));
  color: var(--kv-slate);
  max-width: 40ch;
  margin-bottom: 1.75rem;
  line-height: 1.5;
}

@media (prefers-reduced-motion: no-preference) {
  .js-enabled .hero-eyebrow {
    animation: fadeInUp 0.08s var(--ease) 0s both;
  }
  .js-enabled .hero-title {
    animation: fadeInUp 0.08s var(--ease) 0.02s both;
  }
  .js-enabled .hero-headline {
    animation: fadeInUp 0.08s var(--ease) 0.04s both;
  }
  .js-enabled .hero-actions {
    animation: fadeInUp 0.08s var(--ease) 0.06s both;
  }
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

/* ==========================================================================
   Section scaffolding
   ========================================================================== */
.section-label {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--kv-ink-2);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section-label::before {
  content: '';
  width: 18px;
  height: 2px;
  background: var(--kv-clay);
}

.section-title {
  font-size: clamp(var(--step-2), 3.6vw, var(--step-4));
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-section {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
  border-bottom: 1px solid var(--kv-line);
}

.about-text {
  font-size: var(--step-0);
  margin-bottom: 1rem;
  line-height: 1.7;
  max-width: 62ch;
}

/* ==========================================================================
   Projects Section & Filters
   ========================================================================== */
.projects-section {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
  border-bottom: 1px solid var(--kv-line);
}

.section-header-row {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  margin-bottom: 2.25rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  min-height: 36px;
  padding: 0.4rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 999px;
  background-color: transparent;
  color: var(--kv-slate);
  border: 1px solid var(--kv-line-strong);
  cursor: pointer;
  transition: background-color 0.18s, border-color 0.18s, color 0.18s, transform 0.15s ease;
}

.filter-btn:hover {
  border-color: var(--kv-slate);
  transform: translateY(-1px);
}

.filter-btn:active {
  transform: scale(0.96);
}

.filter-btn[aria-pressed="true"] {
  background-color: var(--kv-slate);
  color: var(--kv-paper);
  border-color: var(--kv-slate);
}

.filter-empty {
  padding: 2rem 0;
  color: var(--kv-ink-2);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: 1.25rem;
}

/* Scroll-Reveal Transitions */
.reveal-on-scroll {
  opacity: 1;
  transform: none;
}

.js-enabled .reveal-on-scroll {
  opacity: 1;
  transform: none;
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
  will-change: opacity, transform;
}

.js-enabled .reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
  .projects-grid .reveal-on-scroll:nth-child(1) { transition-delay: 0.04s; }
  .projects-grid .reveal-on-scroll:nth-child(2) { transition-delay: 0.08s; }
  .projects-grid .reveal-on-scroll:nth-child(3) { transition-delay: 0.12s; }
  .projects-grid .reveal-on-scroll:nth-child(4) { transition-delay: 0.16s; }
  .projects-grid .reveal-on-scroll:nth-child(5) { transition-delay: 0.20s; }
  .projects-grid .reveal-on-scroll:nth-child(6) { transition-delay: 0.24s; }
  .process-grid .reveal-on-scroll:nth-child(1) { transition-delay: 0.06s; }
  .process-grid .reveal-on-scroll:nth-child(2) { transition-delay: 0.12s; }
  .process-grid .reveal-on-scroll:nth-child(3) { transition-delay: 0.18s; }
  .process-grid .reveal-on-scroll:nth-child(4) { transition-delay: 0.24s; }
}

/* Project cards share the site typography and spacing. */
.project-card {
  display: flex;
  flex-direction: column;
  background-color: var(--card-bg, #FFFFFF);
  color: var(--card-text, var(--kv-slate));
  border: 1px solid var(--card-border, var(--kv-line));
  border-radius: var(--radius-lg);
  padding: clamp(1.125rem, 2vw, 1.5rem);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.2s;
}

.project-card:hover {
  box-shadow: 0 12px 24px -12px rgb(32 36 43 / 18%);
  border-color: var(--kv-line-strong);
}

@media (prefers-reduced-motion: no-preference) {
  .project-card:hover { transform: translateY(-2px); }
}

.project-card:focus-visible {
  outline: 3px solid var(--kv-slate);
  outline-offset: 3px;
}

.project-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.project-icon-box {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 11px;
  background: #fff;
  border: 1px solid var(--kv-line);
}

.project-icon-img {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  object-fit: contain;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  line-height: 1.3;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.status-badge.access-public,
.status-badge.access-demo {
  background-color: var(--status-active-bg);
  color: var(--status-active-text);
  border: 1px solid var(--status-active-border);
}

.status-badge.access-prototype,
.status-badge.access-concept {
  background-color: var(--status-dev-bg);
  color: var(--status-dev-text);
  border: 1px solid var(--status-dev-border);
}

.status-badge.access-private,
.status-badge.access-mixed {
  background-color: var(--status-archived-bg);
  color: var(--status-archived-text);
  border: 1px solid var(--status-archived-border);
}

.project-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--card-label, var(--kv-ink-2));
  margin-bottom: 0.4rem;
}

.project-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.375rem;
  color: var(--card-text, var(--kv-slate));
  margin-bottom: 0.5rem;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.project-summary {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--card-text-secondary, var(--kv-ink-2));
  margin-bottom: 1.25rem;
  line-height: 1.55;
  flex: 1;
}

.project-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid color-mix(in srgb, var(--card-text, #20242B) 12%, transparent);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--card-cta, var(--kv-slate));
}

.project-card-footer .icon-arrow { transition: transform 0.2s var(--ease); }

.featured-card {
  padding: clamp(1.5rem, 3vw, 2rem);
  border-color: color-mix(in srgb, var(--featured-accent) 23%, var(--kv-line));
  border-top: 4px solid var(--featured-accent);
  background-image: linear-gradient(
    155deg,
    color-mix(in srgb, var(--featured-accent) 12%, var(--card-bg)),
    var(--card-bg) 74%
  );
}

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

.featured-card .project-card-header { margin-bottom: 1.75rem; }

.featured-card .project-icon-box {
  width: 64px;
  height: 64px;
  border-radius: 15px;
}

.featured-card .project-icon-img {
  width: 54px;
  height: 54px;
  border-radius: 11px;
}

.featured-card .project-name { font-size: clamp(1.65rem, 2.2vw, 2rem); }
.featured-card .project-summary { font-size: 1rem; }

.featured-card .project-card-footer .icon-arrow {
  box-sizing: content-box;
  padding: .5rem;
  border-radius: 50%;
  background: color-mix(in srgb, var(--featured-accent) 13%, var(--card-bg));
}

@media (prefers-reduced-motion: no-preference) {
  .project-card:hover .project-card-footer .icon-arrow { transform: translateX(4px); }
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-section {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
}

.contact-card {
  background-color: var(--kv-slate);
  color: var(--kv-paper);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3.5rem);
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact-card .section-label { color: var(--kv-on-slate-2); }

.contact-card h2 {
  color: var(--kv-paper);
  font-size: clamp(var(--step-2), 3.6vw, var(--step-4));
  max-width: 22ch;
  margin-bottom: 0.75rem;
}

.contact-card p {
  color: var(--kv-on-slate-2);
  font-size: var(--step-0);
  max-width: 56ch;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.btn-contact {
  background-color: var(--kv-paper);
  color: var(--kv-slate);
}

.btn-contact:hover { background-color: var(--kv-sand); }

.btn-contact-outline {
  background-color: transparent;
  color: var(--kv-paper);
  border-color: rgba(250, 250, 247, 0.35);
}

.btn-contact-outline:hover {
  border-color: var(--kv-paper);
  background-color: rgba(250, 250, 247, 0.08);
}

.contact-card .email-disabled-note {
  font-size: 0.875rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(250, 250, 247, 0.14);
}

/* ==========================================================================
   Site Footer
   ========================================================================== */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--kv-line);
  font-size: 0.875rem;
  color: var(--kv-ink-2);
}

.site-footer p { color: inherit; }

.footer-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
}

.footer-holding {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--kv-slate);
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.badge-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--kv-line);
  border-radius: var(--radius-sm);
  color: var(--kv-ink-2);
}

/* ==========================================================================
   DEDICATED PROJECT PAGE STYLES (/projects/<slug>/)
   Every color below comes from the project's own palette via build.js.
   ========================================================================== */
.project-detail-body {
  background-color: var(--project-bg, #FFFFFF);
  color: var(--project-text, var(--kv-slate));
  font-family: var(--project-font-body, var(--font-body));
}

.project-detail-body p { color: var(--project-text-secondary); }
.project-detail-body h1,
.project-detail-body h2,
.project-detail-body h3 { color: var(--project-text); }

.project-detail-body .skip-link {
  background: var(--project-text);
  color: var(--project-bg);
}

.detail-nav-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: color-mix(in srgb, var(--project-bg) 92%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--project-border);
}

.detail-nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 56px;
}

.back-to-portfolio {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--project-link);
}

.back-to-portfolio:hover { text-decoration: underline; text-underline-offset: 3px; }

.detail-holding {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--project-text-secondary);
}

.detail-main { padding-bottom: 1rem; }

.detail-hero {
  padding: clamp(3rem, 7vw, 5rem) 0 clamp(2.25rem, 5vw, 3rem);
  border-bottom: 1px solid var(--project-border);
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.detail-brand-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.detail-icon-box {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--project-text) 12%, transparent),
              0 10px 24px -14px color-mix(in srgb, var(--project-text) 45%, transparent);
}

.detail-icon-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.detail-title-group h1 {
  font-family: var(--project-font-display, var(--font-display));
  font-weight: var(--project-display-weight, 600);
  font-stretch: var(--project-display-stretch, normal);
  font-size: clamp(2.1rem, 5.2vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.detail-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.meta-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.3;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--project-border);
  color: var(--project-text);
}

/* Section blocks: label column + content column on wide screens */
.detail-section-block {
  display: grid;
  grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
  gap: 1rem 3rem;
  padding: clamp(2.25rem, 5vw, 3rem) 0;
  border-bottom: 1px solid var(--project-border);
}

.detail-block-title {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.4;
  color: var(--project-label);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.detail-block-title::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--project-primary);
  flex-shrink: 0;
}

.detail-block-body { min-width: 0; max-width: 760px; }

.detail-prose {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--project-text-secondary);
  white-space: pre-line;
}

.steps-list {
  list-style: none;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.25rem;
}

.detail-prose + .steps-list { margin-top: 1.25rem; }

.steps-list li {
  counter-increment: step;
  position: relative;
  padding: 0.85rem 0 0.85rem 2.75rem;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--project-text-secondary);
  border-top: 1px solid var(--project-border);
}

.steps-list li:first-child { border-top: 0; padding-top: 0; }
.steps-list li:first-child::before { top: 0.1rem; }

.steps-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--project-label);
}

.steps-list strong {
  color: var(--project-text);
  font-weight: 600;
}

.tech-stack-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.tech-badge {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  color: var(--project-text);
  background-color: color-mix(in srgb, var(--project-text) 4%, transparent);
  border: 1px solid var(--project-border);
  border-radius: var(--radius-sm);
  transition: background-color 0.15s, border-color 0.15s, transform 0.15s;
}

.tech-badge:hover {
  background-color: color-mix(in srgb, var(--project-text) 8%, transparent);
  transform: translateY(-1px);
}

.detail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn-project {
  background-color: transparent;
  color: var(--project-text);
  border-color: var(--project-link);
  transition: background-color 0.18s, border-color 0.18s, color 0.18s, transform 0.15s var(--ease);
}

.btn-project:hover {
  background-color: var(--project-primary);
  border-color: var(--project-primary);
  color: var(--project-on-primary);
  transform: translateY(-1px);
}

.btn-project:active {
  transform: translateY(1px) scale(0.985);
}

.project-detail-body .link-note { font-size: 0.9375rem; }

/* The adjacent-project nav draws the closing rule */
section.detail-section-block:last-of-type { border-bottom: none; }

.project-page-navigation {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1.5rem;
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--project-border);
}

.nav-next { text-align: right; }
.nav-next .nav-adjacent-link { align-items: flex-end; }

.nav-adjacent-link {
  display: inline-flex;
  flex-direction: column;
  gap: 0.25rem;
  min-height: 44px;
  transition: transform 0.2s var(--ease);
}

.nav-adjacent-link:hover {
  transform: translateY(-2px);
}

.nav-adjacent-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--project-text-secondary);
}

.nav-adjacent-name {
  font-family: var(--project-font-display, var(--font-display));
  font-weight: var(--project-display-weight, 600);
  font-stretch: var(--project-display-stretch, normal);
  font-size: var(--step-1);
  color: var(--project-link);
}

.nav-adjacent-link:hover .nav-adjacent-name { text-decoration: underline; text-underline-offset: 4px; }

.detail-footer {
  border-top: 1px solid var(--project-border);
  color: var(--project-text-secondary);
}

.detail-footer .footer-holding { color: var(--project-text); }

.footer-back {
  font-weight: 600;
  color: var(--project-link);
}

.footer-back:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 860px) {
  .header-inner {
    flex-wrap: wrap;
    row-gap: 0;
    padding-top: 0.5rem;
  }

  .site-nav {
    order: 3;
    width: calc(100% + 1.5rem);
    margin-left: -0.75rem;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 0.25rem;
  }

  .site-nav::-webkit-scrollbar { display: none; }

  .detail-section-block { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .header-status-pill { display: none; }

  .hero-actions .btn { flex: 1 1 auto; }

  .detail-brand-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .detail-icon-box { width: 64px; height: 64px; border-radius: 15px; }

  .project-page-navigation {
    grid-template-columns: 1fr 1fr;
  }

  .nav-all {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .nav-all .btn { width: 100%; }
}

/* ==========================================================================
   Accessibility: prefers-reduced-motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Keep the opening compact so the projects are visible early. */
.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(85px, 19vw, 220px);
  align-items: center;
  gap: clamp(1rem, 4vw, 3rem);
}

.hero-content { min-width: 0; }
.hero-portrait { align-self: center; }

.hero-portrait img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 50%;
  border: 1px solid var(--kv-line);
}

.featured-section { padding-block: clamp(2rem, 4vw, 3.5rem); }

.featured-grid {
  grid-template-columns: none;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 1fr);
  overflow-x: auto;
  margin-inline: -.375rem;
  padding: .375rem .375rem .75rem;
  scroll-padding-inline: .375rem;
  scroll-snap-type: x proximity;
}

.featured-grid .featured-card { scroll-snap-align: start; }
.catalog-link { margin-top: 1.5rem; }
.about-text { margin-top: 1rem; }

@media (max-width: 560px) {
  .hero-layout { grid-template-columns: minmax(0, 1fr) 84px; align-items: start; }
  .hero-portrait { align-self: start; }
  .hero-title { font-size: clamp(1.9rem, 8vw, 2.8rem); margin-bottom: .75rem; }
  .hero-eyebrow { margin-bottom: .75rem; }
  .hero-headline { margin-bottom: 1rem; }
  .hero-actions .btn { flex: 0 1 auto; }
}

.contact-emails{display:flex;flex-wrap:wrap;gap:1.25rem;margin-top:2rem}.contact-emails a{color:var(--kv-paper);font-size:.95rem;overflow-wrap:anywhere}.contact-emails span{display:block;color:var(--kv-on-slate-2);font-size:.8125rem}.contact-emails .visually-hidden{position:absolute}

/* Media on project pages. */
.project-media{margin:0 0 1.75rem;border:1px solid var(--project-border);border-radius:var(--radius-lg);overflow:hidden;background:var(--project-bg)}
.project-media img,.project-media video{display:block;width:100%;height:auto;max-height:720px;object-fit:contain}.project-media figcaption{padding:1rem 1.25rem;color:var(--project-text-secondary);font:.875rem var(--font-body);line-height:1.6}.project-media a{color:var(--project-link);text-decoration:underline}.media-kicker{padding:.65rem 1.25rem;border-bottom:1px solid var(--project-border);font:500 .75rem var(--font-mono);text-transform:uppercase;letter-spacing:.1em;color:var(--project-label)}

/* Shared case study layout with room for project-specific evidence. */
.detail-hero {
  padding: clamp(1.75rem, 4vw, 3.5rem) 0;
  gap: 1.15rem;
}

.detail-intro { max-width: 70ch; }
.detail-summary { font-size: var(--step-1); line-height: 1.5; margin-bottom: .75rem; }
.detail-intro strong { color: var(--project-text); }
.detail-hero .detail-links { justify-content: flex-start; }
.case-composition { margin-top: clamp(1.25rem, 3vw, 2.5rem); }
.case-composition .case-section { display: block; padding: 1.25rem 0; }
.case-composition .detail-block-title { margin-bottom: .75rem; }
.case-composition .detail-block-body { max-width: 78ch; }
.case-composition .tech-stack-container { margin-top: 1rem; }
.case-list { padding-left: 1.25rem; list-style: disc; }
.case-list li + li { margin-top: .4rem; }

.project-showcase { max-width: 850px; }

.edition-sample { margin-bottom: 1.5rem; scroll-margin-top: 4.5rem; }
.edition-note { margin: .6rem 0 1rem; }

.edition-paper {
  padding: clamp(1.25rem, 4vw, 2.75rem);
  border: 1px solid var(--project-border);
  border-top: 4px solid var(--project-primary);
  border-radius: var(--radius-md);
  background: var(--project-surface);
}

.edition-masthead {
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--project-text);
  font: 600 clamp(1.75rem, 4vw, 2.75rem)/1.15 var(--project-font-display);
  color: var(--project-text);
}

.edition-stories {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: 1.5rem;
}

.edition-category, .edition-highlights-label {
  margin-bottom: .5rem;
  font: 600 .75rem/1.3 var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--project-link);
}

.edition-story h3 {
  margin-bottom: .55rem;
  font: 600 1.375rem/1.2 var(--project-font-display);
  color: var(--project-text);
}

.edition-story p:last-child { color: var(--project-text-secondary); line-height: 1.6; }
.edition-lead h3 { font-size: clamp(2rem, 4.5vw, 3.5rem); }
.edition-highlights .edition-story { padding: .9rem 0; border-top: 1px solid var(--project-border); }

.edition-photo {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

.edition-lead .edition-photo { margin-block: 1rem .75rem; }
.edition-highlights .edition-story { display: flow-root; }
.edition-highlights .edition-photo {
  float: right;
  width: min(35%, 7.5rem);
  margin: .25rem 0 .5rem .75rem;
}

.edition-workflow .detail-block-body { max-width: none; }

.edition-workflow .steps-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 1.25rem;
}

.edition-workflow .steps-list li {
  padding: 1rem;
  border: 1px solid var(--project-border);
  border-top: 2px solid var(--project-primary);
  border-radius: var(--radius-md);
  background: var(--project-surface);
  font-size: .9375rem;
  line-height: 1.55;
}

.edition-workflow .steps-list strong {
  display: block;
  margin-bottom: .25rem;
  font-size: 1.0625rem;
}

.edition-workflow .steps-list li::before { content: none; }

@media (max-width: 700px) {
  .edition-stories, .edition-workflow .steps-list { grid-template-columns: 1fr; }
  .edition-workflow .steps-list { gap: .75rem; }
}

.project-walkthrough {
  margin-bottom: 1.5rem;
  scroll-margin-top: 4.5rem;
}

.project-walkthrough h2 {
  margin-bottom: .5rem;
  font-family: var(--project-font-display);
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  line-height: 1.2;
}

.project-walkthrough > .detail-prose { max-width: 72ch; }

.project-section-nav { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.5rem; border-bottom: 1px solid var(--project-border); }
.project-section-nav a { padding: .75rem 1rem; color: var(--project-link); font-weight: 600; border-bottom: 2px solid var(--project-primary); }
.project-section-nav a:focus-visible { outline: 3px solid var(--project-link); outline-offset: 2px; }

.recruiting-section {
  margin-block: 2rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--project-border);
  border-top: 4px solid var(--project-primary);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--project-primary) 4%, var(--project-bg));
}
.vr-status { margin: .25rem 0 .75rem; color: var(--project-label); font-weight: 600; }

.recruiting-section .walkthrough-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.recruiting-section > .related-link { display: inline-flex; align-items: center; gap: .4rem; margin-top: .75rem; }
@media (max-width: 700px) {
  .recruiting-section .walkthrough-steps { grid-template-columns: 1fr; }
}

.walkthrough-steps, .sample-week {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.walkthrough-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); list-style: none; }
.sample-week { grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); }

.walkthrough-steps > li, .week-controls, .week-days {
  padding: clamp(1rem, 2vw, 1.5rem);
  background: var(--project-surface);
  border: 1px solid var(--project-border);
  border-radius: var(--radius-md);
}

.walkthrough-steps h3, .week-controls h3 {
  font-family: var(--project-font-display);
  font-size: 1.15rem;
  line-height: 1.3;
}

.walkthrough-evidence {
  display: grid;
  gap: .3rem;
  margin-block: .9rem;
  padding: .75rem;
  border-left: 3px solid var(--project-primary);
  background: color-mix(in srgb, var(--project-primary) 8%, var(--project-surface));
}

.walkthrough-evidence span {
  font: 500 .75rem/1.3 var(--font-mono);
  color: var(--project-label);
}

.walkthrough-steps p, .project-decision, .week-controls p {
  color: var(--project-text-secondary);
  line-height: 1.55;
}

.project-decision { margin-top: 1rem; max-width: 76ch; }
.project-decision strong { display: block; margin-bottom: .25rem; color: var(--project-text); }
.week-controls label { display: block; margin-top: 1rem; font-weight: 600; }
.week-controls input { width: 100%; accent-color: var(--project-primary); margin: .4rem 0 .7rem; }
.week-controls p { font-size: .9rem; }
.week-result { display: block; margin-block: .75rem; font: 600 1rem/1.5 var(--font-mono); }
.week-controls .week-alert { padding: .65rem .75rem; background: var(--project-bg); border-radius: var(--radius-sm); }
.week-controls .week-alert-raised { background: #fff1d6; color: #633b12; }
.week-days { list-style: none; }

.week-day {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .9fr) 3.75rem;
  align-items: center;
  gap: .6rem;
  min-height: 2.4rem;
  font-size: .875rem;
}

.week-day + .week-day { border-top: 1px solid var(--project-border); }
.week-day strong { margin-right: .25rem; }
.week-day meter { width: 100%; min-width: 0; }
.week-points { text-align: right; font-variant-numeric: tabular-nums; }
.week-day-editable { font-weight: 600; }

.chess-study > .project-showcase, .project-games {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: start;
}

.chess-study > .project-showcase { max-width: none; }
.chess-study .architecture-media { grid-column: 1 / -1; }
.project-games li {
  padding: 1rem;
  border: 1px solid var(--project-border);
  border-radius: var(--radius-md);
}
.game-icon { width: 64px; height: 64px; object-fit: contain; border-radius: 12px; margin-bottom: .75rem; }
.lesson-card { margin-top: 1.25rem; padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--project-border); border-radius: var(--radius-lg); background: var(--project-surface); }
.lesson-card p { color: var(--project-text-secondary); }
.lesson-card .lesson-label { color: var(--project-label); font: 600 .75rem var(--font-mono); text-transform: uppercase; letter-spacing: .08em; margin: 1.25rem 0 .5rem; }
.lesson-card .lesson-label:first-child { margin-top: 0; }
.lesson-card .lesson-phrase { color: var(--project-text); font: 600 clamp(1.4rem, 3vw, 2rem) var(--project-font-display); }
.lesson-card audio { max-width: 100%; margin-top: .75rem; }
.lesson-card .lesson-practice { margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--project-border); }
.game-stage { color: var(--project-label); font-size: .875rem; margin-block: .3rem; }
.related-link { color: var(--project-link); text-decoration: underline; }
.related-link .icon-arrow { display: inline-block; vertical-align: middle; }
.filter-reset {
  margin-left: .4rem;
  padding: .4rem;
  color: var(--kv-slate);
  text-decoration: underline;
}

@media (max-width: 700px) {
  .walkthrough-steps, .sample-week, .chess-study > .project-showcase, .project-games {
    grid-template-columns: 1fr;
    gap: .75rem;
  }

  .detail-brand-header { flex-direction: row; align-items: center; }
  .detail-icon-box { width: 52px; height: 52px; }
  .project-media figcaption { font-size: .8125rem; }
}

.status-filter-bar{display:flex;flex-wrap:wrap;gap:.5rem;border-top:1px solid var(--kv-line);padding-top:1rem}.filter-btn-status{font:500 .875rem var(--font-body);border:1px solid var(--kv-line-strong);padding:.5rem .9rem;border-radius:6px;background:transparent;color:var(--kv-slate);cursor:pointer;min-height:40px}.filter-btn-status[aria-pressed="true"]{background:var(--kv-slate);color:var(--kv-paper);border-color:var(--kv-slate)}.filter-count{font-variant-numeric:tabular-nums}.result-count{font:500 .875rem var(--font-body);color:var(--kv-ink-2);margin:1rem 0}.filter-note{margin-bottom:1rem;font-size:.875rem}.project-card[hidden]{display:none!important}

.back-to-top{align-self:flex-end;margin:1rem 1.25rem;padding:.65rem 1rem;background:var(--kv-slate);color:var(--kv-paper);border:1px solid var(--kv-line);border-radius:8px;font:500 .875rem var(--font-body);z-index:30}.js-enabled .back-to-top{position:fixed;bottom:1rem;right:1rem;margin:0;visibility:hidden;opacity:0;pointer-events:none}.js-enabled .back-to-top.is-shown{visibility:visible;opacity:1;pointer-events:auto}.filter-btn:disabled,.filter-btn-status:disabled{cursor:default}
@keyframes subtleReveal{from{transform:translateY(8px);opacity:.75}to{transform:none;opacity:1}}
@media(prefers-reduced-motion:no-preference){.js-enabled .reveal-on-scroll.is-visible{animation:subtleReveal .3s var(--ease) both}.back-to-top{transition:opacity .16s}}

.footer-layout{display:grid;grid-template-columns:1fr .7fr .8fr 1.4fr;gap:2rem}.footer-layout nav,.footer-social,.footer-emails{display:flex;flex-direction:column;align-items:flex-start;gap:.6rem}.footer-layout a{color:var(--kv-slate);font-size:.875rem;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}.footer-layout p{font-size:.875rem}.footer-owner{font:600 1.1rem var(--font-display);margin-bottom:.5rem}.footer-emails span{display:block;font-size:.75rem;color:var(--kv-ink-2)}.detail-footer .footer-layout a,.detail-footer .footer-layout p{color:var(--project-text)}.detail-footer .footer-emails span{color:var(--project-text-secondary)}
@media(max-width:860px){.footer-layout{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.75rem}.footer-emails{grid-column:1/-1}}

/* Coaching portfolio */
.coaching-page .nav-link[aria-current="page"] {
  color: var(--kv-slate);
  text-decoration: underline;
  text-underline-offset: 0.35em;
}

.coaching-page .hero-headline { max-width: 48ch; margin-bottom: 0.75rem; }
.coaching-credentials { max-width: 54ch; color: var(--kv-ink-2); margin-bottom: 1.5rem; }
.coaching-section { padding: clamp(2rem, 5vw, 4rem) 0; border-bottom: 1px solid var(--kv-line); }
.coaching-section[id] { scroll-margin-top: 7.5rem; }

.scouting-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.25rem, 5vw, 4rem);
  align-items: start;
}

.scouting-notes h3 { font-size: var(--step-1); margin-bottom: 0.35rem; }
.scouting-notes p { margin-bottom: 1rem; line-height: 1.65; }
.scouting-notes .scouting-source { font-size: 0.875rem; color: var(--kv-ink-2); margin-bottom: 0; }
.scouting-diagram svg { width: 100%; height: auto; display: block; }
.scouting-diagram figcaption { margin-top: 0.5rem; color: var(--kv-ink-2); font-size: 0.875rem; }

.coaching-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.coaching-card {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  min-width: 0;
  padding: clamp(1rem, 2.5vw, 1.65rem);
  background: #fff;
  border: 1px solid var(--kv-line);
  border-radius: var(--radius-lg);
}

.coaching-card-heading {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1rem;
}

.coaching-card-heading h3 { font-size: var(--step-2); line-height: 1.1; letter-spacing: -0.025em; }
.coaching-card-heading img { flex: 0 0 52px; border-radius: var(--radius-md); }
.coaching-card-meta { margin-top: 0.25rem; color: var(--kv-ink-2); font-size: 0.875rem; }
.coaching-card-summary { margin-bottom: 1rem; }

.coaching-example {
  padding: 0.85rem 0;
  border-block: 1px solid var(--kv-line);
  color: var(--kv-slate);
}

.coaching-example figcaption {
  margin-bottom: 0.55rem;
  color: var(--kv-ink-2);
  font-size: 0.8125rem;
  font-weight: 600;
}

.coaching-example dl, .coaching-example dd { margin: 0; }
.coaching-example dd { font-weight: 600; line-height: 1.25; }
.coaching-example dt { color: var(--kv-ink-2); font-size: 0.8125rem; }
.coaching-example-pairs { display: grid; gap: 0.35rem; }
.coaching-example-pairs > div { display: grid; grid-template-columns: 5.2rem minmax(0, 1fr); gap: 0.45rem; align-items: baseline; }

.coaching-example-days {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.coaching-example-days > div + div { border-inline-start: 1px solid var(--kv-line); padding-inline-start: 0.6rem; }
.coaching-example-days > div { padding-inline-end: 0.4rem; }
.coaching-example-days dt { margin-bottom: 0.25rem; }
.coaching-example-digest p:first-child { font-weight: 600; }
.coaching-example-digest p + p { margin-top: 0.2rem; color: var(--kv-ink-2); font-size: 0.875rem; }

.coaching-card-action {
  display: flex;
  align-items: center;
  justify-self: start;
  gap: 0.55rem;
  min-height: 44px;
  margin-top: 0.65rem;
  color: var(--kv-slate);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.coaching-card-action .icon-arrow { flex-shrink: 0; }
.coaching-card-action:hover { text-decoration-thickness: 2px; }

@media (max-width: 700px) {
  .scouting-layout, .coaching-grid { grid-template-columns: 1fr; }
}

@media (max-width: 360px) {
  .coaching-example-days { grid-template-columns: 1fr; gap: 0.35rem; }
  .coaching-example-days > div { display: grid; grid-template-columns: 3rem 1fr; align-items: baseline; }
  .coaching-example-days > div + div { border-inline-start: 0; padding-inline-start: 0; }
  .coaching-example-days dt { margin-bottom: 0; }
}

@media (max-width: 560px) {
  .coaching-page .hero-layout { position: relative; display: block; }
  .coaching-page .hero-eyebrow, .coaching-page .hero-title { padding-right: 78px; }
  .coaching-page .hero-portrait { position: absolute; top: 0; right: 1.25rem; width: 68px; }
}