/* ================================================================
   Formula — Editorial Design System
   Archivo + Spline Sans Mono · Mint accent · Light/Dark themes
   ================================================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
::selection { background: rgba(108,255,177,.28); }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
input { font-family: inherit; }

/* --- Theme Tokens (Light default) --- */
:root {
  --bg: #f6f8fb;
  --card: #ffffff;
  --cardb: #e3e7ec;
  --tx: #3a4250;
  --mut: #5f6773;
  --faint: #9aa3b2;
  --hd: #11141c;
  --ac: #0e9e63;
  --mint: #6cffb1;
  --tint: #eef7f1;
  --input-bg: #f6f8fb;
  --header-bg: rgba(246,248,251,.85);
  --thumb-bg: #e7ebf1;
  --code-bg: #0b1a3d;
  --code-tx: #9fe9c4;
  --toggle-track: #dfe3e9;
  --toggle-knob: #fff;
  --toggle-shadow: 0 1px 2px rgba(0,0,0,.2);
  --shadow: 0 8px 30px rgba(0,0,0,.12);
  --dot-color: rgba(40,70,130,.12);
  --overlay: rgba(0,0,0,.4);
}

[data-theme="dark"] {
  --bg: #11141c;
  --card: #181c26;
  --cardb: #2b313d;
  --tx: #c4ccd8;
  --mut: #8a93a3;
  --faint: #5b6473;
  --hd: #f1f4f8;
  --ac: #6cffb1;
  --mint: #6cffb1;
  --tint: #1a1f2a;
  --input-bg: #14171f;
  --header-bg: rgba(17,20,28,.55);
  --thumb-bg: #20242e;
  --code-bg: #020a1f;
  --code-tx: #6cffb1;
  --toggle-track: #222734;
  --toggle-knob: var(--ac);
  --toggle-shadow: 0 0 6px var(--ac);
  --shadow: 0 8px 30px rgba(0,0,0,.4);
  --dot-color: rgba(150,165,195,.12);
  --overlay: rgba(0,0,0,.55);
}

/* --- Typography --- */
body {
  font-family: 'Archivo', sans-serif;
  color: var(--tx);
  line-height: 1.5;
  letter-spacing: .02em;
}

.mono {
  font-family: 'Spline Sans Mono', monospace;
}

/* --- Canvas (dot-grid background) --- */
body {
  background: var(--bg);
  background-image:
    linear-gradient(to bottom, transparent 0px, transparent 110px, var(--bg) 200px),
    radial-gradient(var(--dot-color) 1.1px, transparent 1.3px);
  background-size: 100% 100%, 12px 12px;
  background-repeat: no-repeat, repeat;
  min-height: 100vh;
}

/* --- Layout --- */
.page-wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px;
}

/* --- Sticky Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 28px;
  border-bottom: 1px solid var(--cardb);
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 9px;
}
.logo-tagline {
  font: 400 11px/1 'Spline Sans Mono', monospace;
  color: var(--faint);
  padding-left: 12px;
  border-left: 1px solid var(--cardb);
  white-space: nowrap;
}
.logo-diamond {
  font: 700 13px/1 'Spline Sans Mono', monospace;
  color: var(--ac);
}
.logo-text {
  font: 600 13px/1 'Spline Sans Mono', monospace;
  color: var(--hd);
}

.main-nav {
  display: flex;
  gap: 24px;
}
.main-nav a {
  font: 500 12px/1 'Spline Sans Mono', monospace;
  color: var(--mut);
  transition: color .15s ease;
}
.main-nav a:hover {
  color: var(--hd);
}
.main-nav a { position: relative; }
.main-nav a.active {
  font-weight: 600;
  color: var(--hd);
}
/* underline as an absolute element so it never shifts the text baseline */
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -7px;
  height: 2px;
  background: var(--ac);
}

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

.search-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--card);
  border: 1px solid var(--cardb);
  border-radius: 4px;
  padding: 6px 9px;
  font: 400 11px/1 'Spline Sans Mono', monospace;
  letter-spacing: .02em;
  color: var(--faint);
}
.search-pill kbd {
  border: 1px solid var(--cardb);
  border-radius: 2px;
  padding: 1px 5px;
  color: var(--mut);
  font: inherit;
  background: none;
}

/* --- Theme Toggle --- */
.theme-toggle {
  width: 30px;
  height: 16px;
  border-radius: 4px;
  background: var(--toggle-track);
  position: relative;
  cursor: pointer;
  border: none;
  padding: 0;
  transition: background .2s ease;
}
.theme-toggle .knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--toggle-knob);
  box-shadow: var(--toggle-shadow);
  transition: left .2s ease, background .2s ease, box-shadow .2s ease;
}
[data-theme="dark"] .theme-toggle .knob {
  left: 16px;
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 9px 28px;
  border-bottom: 1px solid var(--cardb);
  background: var(--bg);
  font: 400 11px/1 'Spline Sans Mono', monospace;
  color: var(--faint);
}

/* --- Hero --- */
.hero {
  padding: 48px 0 8px;
}
.hero-eyebrow {
  font: 500 12px/1 'Spline Sans Mono', monospace;
  letter-spacing: .04em;
  color: var(--ac);
  margin: 0 0 16px;
}
.hero-title {
  font: 800 44px/1.05 'Archivo', sans-serif;
  color: var(--hd);
  margin: 0 0 18px;
  max-width: 680px;
  letter-spacing: .01em;
}
.hero-sub {
  font: 400 18px/1.6 'Archivo', sans-serif;
  letter-spacing: .02em;
  color: var(--tx);
  margin: 0 0 24px;
  max-width: 560px;
}

/* --- Category Pills --- */
.cat-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.cat-pill {
  font: 500 11px/1 'Spline Sans Mono', monospace;
  letter-spacing: .04em;
  color: var(--mut);
  background: var(--card);
  border: 1px solid var(--cardb);
  border-radius: 500px;
  padding: 7px 13px;
  cursor: pointer;
  transition: all .15s ease;
}
.cat-pill:hover, .cat-pill.active {
  color: #11141c;
  background: var(--mint);
  border-color: var(--mint);
}

/* --- Section Label --- */
.section-label {
  font: 500 11px/1 'Spline Sans Mono', monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 16px;
}

/* --- Start Here + How To Grid --- */
.start-how-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 28px;
  align-items: start;
  padding: 40px 0 8px;
}
.start-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* --- Ruled Item Block --- */
.ruled-item {
  border-top: 1px solid var(--cardb);
  padding: 18px 2px;
  transition: border-color .2s ease;
}
.ruled-item:hover {
  border-color: var(--ac);
}
.ruled-item-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.ruled-item-label {
  font: 600 10px/1 'Spline Sans Mono', monospace;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.ruled-item-label.accent { color: var(--ac); }
.ruled-item-label.muted { color: var(--mut); }
.ruled-item-action {
  font: 500 10px/1 'Spline Sans Mono', monospace;
  letter-spacing: .04em;
  color: var(--faint);
  cursor: pointer;
  transition: color .15s ease;
}
.ruled-item:hover .ruled-item-action {
  color: var(--ac);
}
.ruled-item-title {
  font: 600 17px/1.25 'Archivo', sans-serif;
  color: var(--hd);
  margin: 0 0 7px;
  letter-spacing: .015em;
}
.ruled-item-desc {
  font: 400 13px/1.5 'Archivo', sans-serif;
  letter-spacing: .02em;
  color: var(--mut);
  margin: 0;
}

/* Smaller title variant for prompts/tools */
.ruled-item-title-sm {
  font: 600 16px/1.3 'Archivo', sans-serif;
  color: var(--hd);
  margin: 0 0 7px;
  letter-spacing: .015em;
}

/* --- How To Use --- */
.how-to {
  border-top: 1px solid var(--cardb);
  padding: 18px 2px;
  /* align the top border with the ruled items' first border in the left
     column (section-label: 11px line + 16px margin) */
  margin-top: 27px;
}
.how-to-step {
  display: flex;
  gap: 11px;
  margin-bottom: 11px;
}
.how-to-step:last-child { margin-bottom: 0; }
.how-to-num {
  font: 600 11px/1 'Spline Sans Mono', monospace;
  color: var(--ac);
  flex: none;
}
.how-to-text {
  font: 400 13px/1.5 'Archivo', sans-serif;
  letter-spacing: .02em;
  color: var(--tx);
}

/* --- Data Table --- */
.section-heading {
  font: 700 24px/1.2 'Archivo', sans-serif;
  color: var(--hd);
  margin: 0 0 4px;
  letter-spacing: .01em;
}
.section-sub {
  font: 400 14px/1.5 'Archivo', sans-serif;
  letter-spacing: .02em;
  color: var(--mut);
  margin: 0 0 18px;
}
.section-sub .tbc {
  font-family: 'Spline Sans Mono', monospace;
  font-size: 12px;
  color: var(--faint);
}

.data-table {
  border: 1px solid var(--cardb);
  background: var(--card);
  overflow: hidden;
  width: 100%;
}
.data-table-head {
  display: grid;
  grid-template-columns: 1.1fr 2fr 0.7fr 0.7fr;
  background: var(--tint);
  border-bottom: 1px solid var(--cardb);
}
.data-table-head > div {
  font: 600 10px/1 'Spline Sans Mono', monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ac);
  padding: 12px 16px;
}
.data-table-row {
  display: grid;
  grid-template-columns: 1.1fr 2fr 0.7fr 0.7fr;
  border-bottom: 1px solid var(--cardb);
  transition: background .15s ease;
  cursor: pointer;
}
.data-table-row:last-child { border-bottom: none; }
.data-table-row:hover { background: var(--tint); }
.data-table-row > div { padding: 14px 16px; }
.dt-name {
  font: 600 14px/1.4 'Archivo', sans-serif;
  letter-spacing: .01em;
  color: var(--hd);
}
.dt-desc {
  font: 400 13px/1.5 'Archivo', sans-serif;
  letter-spacing: .02em;
  color: var(--mut);
}
.dt-link {
  font: 600 11px/1 'Spline Sans Mono', monospace;
  color: var(--ac);
  cursor: pointer;
  transition: opacity .15s ease;
}
.dt-link:hover { opacity: .8; }
.dt-link.pending {
  font-weight: 500;
  color: var(--faint);
  cursor: default;
}
.dt-badge {
  font: 600 9px/1 'Spline Sans Mono', monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ac);
  border: 1px solid var(--ac);
  border-radius: 500px;
  padding: 3px 6px;
  margin-left: 6px;
  vertical-align: middle;
}

/* --- Deep-link target (formulacommons.com/#slug) --- */
[data-gate][id] {
  scroll-margin-top: 96px;
}
.deep-link-target {
  animation: deep-link-flash 3s ease-out;
}
@keyframes deep-link-flash {
  0%, 55% { background: var(--tint); box-shadow: inset 2px 0 0 var(--ac); }
  100% { background: transparent; box-shadow: inset 2px 0 0 transparent; }
}

/* --- Prompts Grid --- */
.prompts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* --- Tools Grid --- */
.tools-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
}
.tools-grid.tools-grid-2 {
  grid-template-columns: 1fr 1fr;
}

/* --- Accordion --- */
.accordion-item {
  cursor: default;
  min-width: 0;
  overflow: hidden;
}
.accordion-header {
  cursor: pointer;
}
.accordion-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.accordion-arrow {
  display: inline-block;
  font-size: 9px;
  transition: transform .2s ease;
}
.accordion-item.open .accordion-arrow {
  transform: rotate(90deg);
}
.accordion-body {
  display: none;
  border-top: 1px solid var(--cardb);
  margin-top: 12px;
  padding-top: 12px;
  position: relative;
}
.accordion-item.open .accordion-body {
  display: block;
}
.accordion-code {
  margin: 0;
  padding: 14px 16px;
  background: var(--code-bg);
  color: var(--code-tx);
  font: 400 12px/1.65 'Spline Sans Mono', monospace;
  border-radius: 4px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.accordion-copy {
  margin-bottom: 10px;
}

/* --- Formula Block --- */
.formula-block {
  overflow: hidden;
}
.formula-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--cardb);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.formula-title {
  font: 600 16px/1.3 'Archivo', sans-serif;
  color: var(--hd);
  margin: 0 0 3px;
  letter-spacing: .015em;
}
.formula-desc {
  font: 400 13px/1.4 'Archivo', sans-serif;
  letter-spacing: .02em;
  color: var(--mut);
  margin: 0;
}
.formula-desc a {
  color: var(--ac);
}
.copy-chip {
  font: 600 11px/1 'Spline Sans Mono', monospace;
  color: var(--ac);
  border: 1px solid var(--cardb);
  border-radius: 3px;
  padding: 8px 12px;
  white-space: nowrap;
  cursor: pointer;
  background: none;
  transition: all .15s ease;
}
.copy-chip:hover {
  background: var(--tint);
  border-color: var(--ac);
}

pre.formula-code {
  margin: 0;
  padding: 18px 20px;
  background: var(--code-bg);
  color: var(--code-tx);
  font: 400 12.5px/1.7 'Spline Sans Mono', monospace;
  overflow-x: auto;
}

/* --- Newsletter Band --- */
.newsletter-band {
  border-top: 1px solid var(--cardb);
  border-bottom: 1px solid var(--cardb);
  padding: 38px 4px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.nl-eyebrow {
  font: 500 11px/1 'Spline Sans Mono', monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ac);
  margin: 0 0 12px;
}
.nl-title {
  font: 700 26px/1.15 'Archivo', sans-serif;
  color: var(--hd);
  margin: 0 0 8px;
  letter-spacing: .01em;
}
.nl-desc {
  font: 400 15px/1.55 'Archivo', sans-serif;
  letter-spacing: .02em;
  color: var(--tx);
  margin: 0;
}
.nl-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.nl-form input {
  font: 400 13px/1 'Archivo', sans-serif;
  padding: 13px 14px;
  border-radius: 4px;
  border: 1px solid var(--cardb);
  background: var(--input-bg);
  color: var(--tx);
  outline: none;
  transition: border-color .15s ease;
}
.nl-form input:focus {
  border-color: var(--ac);
}

/* --- Buttons --- */
.btn-mint {
  font: 600 12px/1 'Spline Sans Mono', monospace;
  letter-spacing: .04em;
  color: #11141c;
  background: var(--mint);
  border: none;
  padding: 13px 18px;
  border-radius: 4px;
  cursor: pointer;
  align-self: flex-start;
  transition: transform .1s ease, opacity .15s ease;
}
.btn-mint:hover { transform: scale(1.02); opacity: .9; }
.btn-mint:active { transform: scale(0.98); }

.btn-mint-full {
  font: 600 13px/1 'Spline Sans Mono', monospace;
  letter-spacing: .04em;
  color: #11141c;
  background: var(--mint);
  border: none;
  padding: 15px 18px;
  border-radius: 4px;
  cursor: pointer;
  width: 100%;
  transition: transform .1s ease, opacity .15s ease;
}
.btn-mint-full:hover { transform: scale(1.02); opacity: .9; }
.btn-mint-full:active { transform: scale(0.98); }

/* --- Footer --- */
.page-footer {
  font: 400 11px/1 'Spline Sans Mono', monospace;
  color: var(--faint);
  text-align: right;
  margin: 16px 0 0;
  padding-bottom: 32px;
}

/* --- Email Gate Modal --- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--overlay);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open {
  display: flex;
}
.modal-card {
  width: 100%;
  max-width: 460px;
  background: var(--card);
  border: 1px solid var(--cardb);
  border-radius: 8px; /* matches the blog subscribe modal */
  padding: 30px;
  position: relative;
  animation: modalIn .2s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: none;
  border: none;
  font: 500 18px/1 'Spline Sans Mono', monospace;
  color: var(--faint);
  cursor: pointer;
  padding: 4px 8px;
  transition: color .15s ease;
}
.modal-close:hover { color: var(--hd); }

.modal-label {
  font: 600 11px/1 'Spline Sans Mono', monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 6px;
}
.modal-resource-name {
  font: 700 22px/1.2 'Archivo', sans-serif;
  color: var(--hd);
  margin: 0 0 18px;
  letter-spacing: .01em;
}
.modal-form {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.modal-form label {
  font: 500 11px/1 'Spline Sans Mono', monospace;
  letter-spacing: .04em;
  color: var(--mut);
  display: block;
  margin-bottom: 7px;
}
.modal-form label .req {
  color: var(--ac);
}
.modal-form input {
  width: 100%;
  font: 400 14px/1 'Archivo', sans-serif;
  padding: 13px 14px;
  border-radius: 4px;
  border: 1px solid var(--cardb);
  background: var(--input-bg);
  color: var(--tx);
  outline: none;
  margin-bottom: 16px;
  transition: border-color .15s ease;
}
.modal-form input:focus {
  border-color: var(--ac);
}
.modal-form button {
  margin-top: 6px;
}

.modal-success {
  text-align: center;
  padding: 20px 0;
}
.modal-success h3 {
  font: 700 20px/1.2 'Archivo', sans-serif;
  color: var(--hd);
  margin: 0 0 12px;
}
.modal-success p {
  font: 400 14px/1.5 'Archivo', sans-serif;
  color: var(--mut);
  margin: 0 0 20px;
}

/* --- Toast (copy feedback) --- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--hd);
  color: var(--bg);
  font: 500 12px/1 'Spline Sans Mono', monospace;
  letter-spacing: .04em;
  padding: 10px 18px;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  z-index: 300;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* --- Section Spacing --- */
.section { padding-top: 44px; }

/* --- Mobile Nav --- */
.hamburger {
  display: none;
  background: none;
  border: none;
  font: 600 18px/1 'Spline Sans Mono', monospace;
  color: var(--hd);
  cursor: pointer;
  padding: 4px;
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 150;
  flex-direction: column;
  padding: 80px 28px 28px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font: 600 20px/1 'Spline Sans Mono', monospace;
  color: var(--hd);
  padding: 18px 0;
  border-bottom: 1px solid var(--cardb);
}
.mobile-close {
  position: absolute;
  top: 18px;
  right: 24px;
  background: none;
  border: none;
  font: 400 28px/1 'Spline Sans Mono', monospace;
  color: var(--hd);
  cursor: pointer;
}

/* --- About Page --- */
.about-page {
  max-width: 680px;
  padding-top: 80px;
}
.about-body {
  margin-top: 36px;
}
.about-section {
  margin-bottom: 36px;
}
.about-heading {
  font: 600 18px/1.3 'Archivo', sans-serif;
  color: var(--hd);
  margin: 0 0 10px;
  letter-spacing: .01em;
}
.about-section p {
  font: 400 15px/1.7 'Archivo', sans-serif;
  letter-spacing: .02em;
  color: var(--tx);
  margin: 0 0 12px;
}
.about-section p:last-child {
  margin-bottom: 0;
}
.about-section a {
  color: var(--ac);
}
.about-section em {
  font-style: italic;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .site-header { padding: 12px 20px; }
  .logo-tagline { display: none; }
  .main-nav { display: none; }
  .search-pill { display: none; }
  .hamburger { display: block; }
  .breadcrumb { padding: 9px 20px; }
  .page-wrap { padding: 0 20px; }

  .hero-title { font-size: 32px; }
  .hero-sub { font-size: 16px; }

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

  .data-table { overflow-x: auto; }
  .data-table-head,
  .data-table-row {
    grid-template-columns: 140px 1fr 80px 80px;
    min-width: 500px;
  }

  .prompts-grid { grid-template-columns: 1fr; }
  .tools-grid, .tools-grid.tools-grid-2 { grid-template-columns: 1fr; }

  .newsletter-band {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .btn-mint-full,
  .btn-mint {
    min-height: 48px;
  }
}

@media (max-width: 390px) {
  .hero-title { font-size: 28px; }
  .page-wrap { padding: 0 16px; }
  .site-header { padding: 12px 16px; }
  .breadcrumb { padding: 9px 16px; }
}

/* Log in → YT Autopilot */
.login-link {
  font: 400 11px/1 'Spline Sans Mono', monospace;
  color: var(--mut);
  text-decoration: none;
  border: 1px solid var(--cardb);
  border-radius: 4px;
  padding: 6px 9px;
  background: var(--card);
  transition: color .15s ease, border-color .2s ease;
}
.login-link:hover { color: var(--ac); border-color: var(--ac); }

/* ================================================================
   zheniavasiliev.com — additions on top of the Formula stylesheet
   ================================================================ */

body {
  background-image:
    linear-gradient(to bottom, transparent 0, var(--bg) 320px),
    radial-gradient(var(--dot-color) 1.1px, transparent 1.3px);
}
a:hover { color: var(--ac); }
:focus-visible { outline: 2px solid var(--ac); outline-offset: 2px; }

/* --- Header --- */
.zv-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px 24px; flex-wrap: wrap;
  padding: 15px 28px;
  border-bottom: 1px solid var(--cardb);
  background: var(--header-bg);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.zv-header .logo:hover .logo-text { color: var(--ac); }
.zv-nav { display: flex; gap: 24px; flex-wrap: wrap; }
.zv-nav a {
  font: 500 12px/1 'Spline Sans Mono', monospace; letter-spacing: .02em;
  color: var(--mut); padding-bottom: 4px; border-bottom: 2px solid transparent;
  transition: color .15s ease;
}
.zv-nav a:hover { color: var(--hd); }
.zv-nav a.active { color: var(--hd); font-weight: 600; border-bottom-color: var(--ac); }
.zv-header-right { display: flex; align-items: center; gap: 14px; }

/* --- Buttons --- */
.zv-btn {
  display: inline-block;
  font: 600 12px/1 'Spline Sans Mono', monospace; letter-spacing: .04em;
  color: #11141c; background: var(--mint); border: none; border-radius: 4px;
  padding: 13px 18px; cursor: pointer;
  transition: transform .1s ease, opacity .15s ease;
}
.zv-prose .zv-btn, .zv-side .zv-btn, .zv-state .zv-btn { color: #11141c; }
.zv-btn:hover { color: #11141c; transform: scale(1.02); opacity: .9; }
.zv-btn:active { transform: scale(0.98); }
.zv-btn.sm { font-size: 11px; padding: 8px 12px; }
.zv-btn.lg { font-size: 13px; padding: 15px 18px; }
.zv-btn[disabled] { opacity: .5; cursor: progress; transform: none; }

/* --- Page --- */
.page { max-width: 1120px; margin: 0 auto; padding: 0 28px; }
.zv-hero { padding: 48px 0 8px; }
.zv-hero .hero-eyebrow { margin: 0 0 16px; }
.zv-hero.sm .hero-title { font-size: 35px; line-height: 1.1; }
.zv-section { padding-top: 44px; }
.zv-section-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.zv-section-head .section-label { margin: 0; }
.zv-count { font: 400 11px/1 'Spline Sans Mono', monospace; color: var(--faint); }
.zv-ruled-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)); gap: 0 28px; }
a.ruled-item { display: block; min-width: 0; }
a.ruled-item:hover { color: inherit; }
.ruled-item.sm { padding: 14px 2px; }
.ruled-item.sm .ruled-item-meta { margin-bottom: 10px; }
.ruled-item.right { text-align: right; }
.ruled-item.right .ruled-item-meta { justify-content: flex-end; }
.ruled-item:hover .ruled-item-title { color: var(--ac); }
.ruled-item-title { transition: color .15s ease; }

/* --- Work grid --- */
.zv-pills { margin-bottom: 28px; }
.zv-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(196px, 100%), 1fr)); gap: 28px 14px; }
.zv-tile { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.zv-tile[hidden] { display: none; }
.zv-thumb { border: 1px solid var(--cardb); background: var(--thumb-bg); aspect-ratio: 1 / 1; overflow: hidden; transition: border-color .2s ease; }
.zv-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.zv-tile:hover .zv-thumb { border-color: var(--ac); }
.zv-tile-text { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.zv-tile-client { font: 600 10px/1 'Spline Sans Mono', monospace; letter-spacing: .06em; text-transform: uppercase; color: var(--mut); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.zv-tile-title { font: 600 14px/1.3 'Archivo', sans-serif; letter-spacing: .015em; color: var(--hd); transition: color .15s ease; }
.zv-tile:hover .zv-tile-title { color: var(--ac); }
.zv-empty { border-top: 1px solid var(--cardb); padding: 28px 2px; font: 400 13px/1.5 'Archivo', sans-serif; color: var(--mut); }

/* --- Project --- */
.zv-back { display: inline-block; margin-top: 28px; font: 500 11px/1 'Spline Sans Mono', monospace; letter-spacing: .04em; color: var(--mut); }
.zv-project-head { padding: 36px 0 8px; display: flex; flex-direction: column; gap: 18px; }
.zv-project-head p, .zv-project-head h1 { margin: 0; }
.zv-project-head .hero-title { font-size: 35px; line-height: 1.1; }
.zv-meta { display: flex; gap: 14px; flex-wrap: wrap; font: 500 10px/1 'Spline Sans Mono', monospace; letter-spacing: .06em; text-transform: uppercase; color: var(--mut); }
.zv-stack { display: flex; flex-wrap: wrap; gap: 28px; padding-top: 40px; }
.zv-stack figure { margin: 0; flex: 1 1 100%; min-width: 0; display: flex; flex-direction: column; gap: 12px; }
.zv-stack figure.narrow { flex: 1 1 200px; max-width: calc(25% - 21px); }
.zv-stack .frame { border: 1px solid var(--cardb); background: var(--thumb-bg); display: flex; justify-content: center; cursor: zoom-in; transition: border-color .2s ease; }
.zv-stack .frame:hover { border-color: var(--ac); }
.zv-stack .frame img { max-width: 100%; width: auto; height: auto; display: block; }
.zv-stack figcaption { font: 400 11px/1.4 'Spline Sans Mono', monospace; color: var(--faint); }
.zv-pn { padding: 48px 0 0; }

.zv-overlay { position: fixed; inset: 0; z-index: 200; background: var(--overlay); overflow: auto; padding: 28px; }
.zv-overlay[hidden] { display: none; }
.zv-overlay-bar { position: sticky; top: 0; display: flex; justify-content: flex-end; z-index: 1; }
.zv-overlay img { display: block; max-width: 100%; width: auto; height: auto; margin: 16px auto 0; border: 1px solid var(--cardb); background: var(--card); }

/* --- Two-column reading layout --- */
.zv-cols { display: flex; flex-wrap: wrap; gap: 28px; align-items: flex-start; padding: 28px 0 0; }
.zv-cols > .zv-main { flex: 999 1 480px; min-width: 0; max-width: 680px; }
.zv-cols > .zv-side { flex: 1 1 260px; min-width: 0; max-width: 300px; }

.zv-prose { font: 400 15px/1.7 'Archivo', sans-serif; letter-spacing: .02em; color: var(--tx); }
.zv-prose h2 { font: 700 24px/1.2 'Archivo', sans-serif; letter-spacing: .01em; color: var(--hd); margin: 44px 0 14px; padding-top: 18px; border-top: 1px solid var(--cardb); }
.zv-prose > h2:first-child { margin-top: 0; }
.zv-prose h3 { font: 600 17px/1.25 'Archivo', sans-serif; letter-spacing: .015em; color: var(--hd); margin: 28px 0 8px; }
.zv-prose h4 { font: 600 15px/1.3 'Archivo', sans-serif; color: var(--hd); margin: 24px 0 8px; }
.zv-prose p { margin: 0 0 16px; }
.zv-prose a { color: var(--ac); }
.zv-prose strong { color: var(--hd); font-weight: 600; }
.zv-prose ul, .zv-prose ol { margin: 0 0 16px; padding-left: 20px; }
.zv-prose li { margin: 0 0 6px; }
.zv-prose table { border-collapse: collapse; margin: 0 0 16px; font-size: 14px; }
.zv-prose th, .zv-prose td { border-top: 1px solid var(--cardb); padding: 8px 10px 8px 0; text-align: left; vertical-align: top; }
.zv-prose figure { margin: 24px 0; }
.zv-prose figure img { width: 100%; height: auto; display: block; border: 1px solid var(--cardb); background: var(--thumb-bg); }
.zv-prose figcaption { font: 400 11px/1.4 'Spline Sans Mono', monospace; color: var(--faint); margin-top: 10px; }
.zv-prose .zv-figgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.zv-prose .zv-figgrid img { margin: 0; }
.zv-prose .zv-file a { font: 500 12px/1.6 'Spline Sans Mono', monospace; letter-spacing: .04em; }
.zv-prose .footnote { font-size: 13px; color: var(--mut); }
.zv-prose .footnote hr { display: none; }
.zv-prose .footnote-backref { text-decoration: none; }
.zv-prose sup a { text-decoration: none; }
.zv-az { display: flex; flex-wrap: wrap; gap: 6px 12px; margin: 0 0 8px; font: 600 12px/1.6 'Spline Sans Mono', monospace; }

.zv-embed { margin: 0 0 24px; border: 1px solid var(--cardb); background: var(--code-bg); aspect-ratio: 16 / 9; position: relative; }
.zv-embed button { position: absolute; inset: 0; width: 100%; background: none; border: none; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 12px; color: var(--code-tx); }
.zv-embed button span:first-child { font: 600 13px/1 'Spline Sans Mono', monospace; }
.zv-embed button span:last-child { font: 400 11px/1 'Spline Sans Mono', monospace; opacity: .7; }
.zv-embed button:hover span:first-child { text-decoration: underline; }
.zv-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.zv-cta { border-top: 1px solid var(--cardb); margin-top: 44px; padding-top: 24px; display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.zv-cta p { margin: 0; font: 600 17px/1.25 'Archivo', sans-serif; color: var(--hd); }

.zv-side dl { margin: 0; }
.zv-side .row { border-top: 1px solid var(--cardb); padding: 14px 2px; }
.zv-side dt { font: 600 10px/1 'Spline Sans Mono', monospace; letter-spacing: .06em; text-transform: uppercase; color: var(--mut); margin: 0 0 7px; }
.zv-side dd { font: 400 13px/1.5 'Archivo', sans-serif; color: var(--hd); margin: 0; }
.zv-side dd + dd { margin-top: 4px; }
.zv-side a { color: var(--ac); font: 500 11px/1.6 'Spline Sans Mono', monospace; letter-spacing: .04em; }
.zv-side-more { margin-top: 44px; }

/* --- About --- */
.zv-logos { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 18px 32px; align-items: center; margin: 16px 0 0; padding: 0; list-style: none; }
.zv-logos li { display: flex; align-items: center; justify-content: center; height: 40px; }
.zv-logos img { max-height: 32px; max-width: 120px; width: auto; height: auto; opacity: .78; }
[data-theme="dark"] .zv-logos img { filter: invert(1); }
.zv-logos-section .zv-logos { margin-bottom: 8px; }
.zv-clients { margin-top: 28px; }
.zv-clients { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(200px, 100%), 1fr)); gap: 10px 28px; margin: 16px 0 0; padding: 0; list-style: none; }
.zv-clients li { font: 400 13px/1.5 'Archivo', sans-serif; color: var(--tx); border-top: 1px solid var(--cardb); padding: 8px 2px; }

/* --- CV --- */
.zv-cv-top { padding: 48px 0 8px; display: flex; justify-content: space-between; align-items: flex-end; gap: 28px; flex-wrap: wrap; }
.zv-cv-top .zv-hero { padding: 0; flex: 1 1 480px; min-width: 0; }
.zv-cv-top .hero-sub { margin-bottom: 0; }
.zv-job { border-top: 1px solid var(--cardb); padding: 18px 2px 8px; }
.zv-job .meta { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font: 600 10px/1 'Spline Sans Mono', monospace; letter-spacing: .06em; text-transform: uppercase; color: var(--ac); margin-bottom: 12px; }
.zv-job .meta span:last-child { color: var(--faint); font-weight: 500; }
.zv-job h3 { margin: 0 0 8px; }
.zv-job .role { font: 400 13px/1.5 'Archivo', sans-serif; color: var(--mut); margin: 0 0 10px; }
.zv-job ul { margin: 0 0 8px; padding-left: 18px; }
.zv-job li { font-size: 14px; }

/* --- Contact --- */
.zv-form { display: flex; flex-direction: column; gap: 20px; }
.zv-field { display: flex; flex-direction: column; }
.zv-field label { font: 500 11px/1 'Spline Sans Mono', monospace; letter-spacing: .04em; color: var(--mut); margin-bottom: 7px; }
.zv-field label b { color: var(--ac); font-weight: 500; }
.zv-field input, .zv-field textarea {
  width: 100%; font: 400 14px/1.5 'Archivo', sans-serif; letter-spacing: .02em;
  padding: 13px 14px; border-radius: 4px; border: 1px solid var(--cardb);
  background: var(--input-bg); color: var(--tx); outline: none; transition: border-color .15s ease;
}
.zv-field textarea { resize: vertical; min-height: 160px; }
.zv-field input:focus, .zv-field textarea:focus { border-color: var(--ac); }
.zv-form-foot { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.zv-note { font: 400 11px/1.5 'Spline Sans Mono', monospace; color: var(--faint); }
.zv-state { border-top: 1px solid var(--cardb); padding: 18px 2px; display: flex; flex-direction: column; gap: 7px; }
.zv-state[hidden] { display: none; }
.zv-state.ok { border-top-color: var(--ac); }
.zv-state-label { font: 600 10px/1 'Spline Sans Mono', monospace; letter-spacing: .06em; text-transform: uppercase; color: var(--mut); }
.zv-state.ok .zv-state-label { color: var(--ac); }
.zv-state h3 { font: 600 17px/1.25 'Archivo', sans-serif; color: var(--hd); margin: 0; }
.zv-state p { font: 400 13px/1.5 'Archivo', sans-serif; color: var(--mut); margin: 0; }
.zv-state p a { color: var(--ac); }
.zv-link-btn { align-self: flex-start; margin-top: 10px; font: 500 11px/1 'Spline Sans Mono', monospace; letter-spacing: .04em; color: var(--ac); background: none; border: none; padding: 0; }
#zv-error { margin-top: 20px; }

/* --- Footer --- */
.zv-footer { padding-top: 48px; }
.zv-footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 0 0 14px; padding: 16px 0 0; border-top: 1px solid var(--cardb); }
.zv-footer-links a { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; color: var(--mut); }
.zv-footer-links a:hover { color: var(--hd); }
.zv-footer-links svg { width: 16px; height: 16px; display: block; }
/* Icons: Simple Icons (CC0); LinkedIn from Font Awesome Free (CC BY 4.0, fontawesome.com/license/free) */

@media (max-width: 768px) {
  .zv-header { padding: 12px 20px; }
  .breadcrumb { padding: 9px 20px; }
  .page { padding: 0 20px; }
  .hero-title { font-size: 35px; }
  .zv-btn.lg { min-height: 48px; }
}
@media (max-width: 600px) {
  .zv-stack figure.narrow { max-width: calc(50% - 14px); }
}
@media (max-width: 390px) {
  .zv-header { padding: 12px 16px; }
  .breadcrumb { padding: 9px 16px; }
  .page { padding: 0 16px; }
  .hero-title, .zv-hero.sm .hero-title, .zv-project-head .hero-title { font-size: 28px; }
}

/* --- Project credits (from the old site) --- */
.zv-credits { margin: 0; max-width: 560px; }
.zv-credits .row { display: flex; gap: 14px; border-top: 1px solid var(--cardb); padding: 10px 2px; }
.zv-credits .row:last-child { border-bottom: 1px solid var(--cardb); }
.zv-credits dt { flex: 0 0 72px; font: 600 10px/1.9 'Spline Sans Mono', monospace; letter-spacing: .06em; text-transform: uppercase; color: var(--mut); }
.zv-credits dd { margin: 0; font: 400 14px/1.5 'Archivo', sans-serif; color: var(--hd); }
.zv-credits a, .zv-credit-notes a { color: var(--ac); }
.zv-credit-notes { max-width: 560px; }
.zv-credit-notes p:last-child { margin-bottom: 0; }

/* --- Sketchbook and notes archive --- */
.zv-sk-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(150px, 100%), 1fr)); gap: 20px 12px; }
.zv-sk { margin: 0; min-width: 0; display: flex; flex-direction: column; gap: 8px; scroll-margin-top: 96px; }
.zv-sk .frame, .zv-note-imgs .frame { display: block; border: 1px solid var(--cardb); background: var(--thumb-bg); aspect-ratio: 1 / 1; overflow: hidden; cursor: zoom-in; transition: border-color .2s ease; }
.zv-sk .frame:hover, .zv-note-imgs .frame:hover { border-color: var(--ac); }
.zv-sk img, .zv-note-imgs img { width: 100%; height: 100%; object-fit: cover; }
.zv-sk figcaption { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.zv-sk figcaption span:first-child { font: 600 12px/1.3 'Archivo', sans-serif; color: var(--hd); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.zv-sk figcaption span:last-child { font: 400 10px/1 'Spline Sans Mono', monospace; color: var(--faint); }
.zv-note { border-top: 1px solid var(--cardb); padding: 18px 2px; max-width: 680px; scroll-margin-top: 96px; }
.zv-note-meta { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font: 500 10px/1 'Spline Sans Mono', monospace; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); margin-bottom: 10px; }
.zv-note h3 { font: 600 17px/1.25 'Archivo', sans-serif; color: var(--hd); margin: 0 0 8px; }
.zv-note .zv-prose { font-size: 14px; }
.zv-note .zv-prose p:last-child { margin-bottom: 0; }
.zv-note-imgs { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; margin-top: 12px; max-width: 600px; }
:target.zv-sk .frame, :target.zv-note { border-color: var(--ac); }