/* neruna.cloud – the public pages. Same family as neruna.org (grid, Space Grotesk + Inter, paper/ink/blue, hard edges),
   but more business: an ink stage, blue instead of the signal colour, calmer type, more structure and facts. */

@font-face {
  font-family: "Inter";
  src: url("/fonts/inter-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("/fonts/space-grotesk-latin.woff2") format("woff2");
  font-weight: 300 700;
  font-display: swap;
}

:root {
  --paper: #f5f4f0;
  --paper-2: #ebe9e3;
  --card: #fcfcfa;
  --ink: #0b1426;
  --ink-2: #27303f;
  --muted: #5a6272;
  --rule: #d8d5cd;
  --line-dark: #26324a;
  --blue: #1f5bff;
  --blue-text: #1846d6;
  --cyan: #5fd3ff;
  --signal: #ff5a36;
  --display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --text: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --gutter: clamp(16px, 4vw, 40px);
  --max: 1240px;
  --shadow: 8px 8px 0 var(--ink);
  --shadow-blue: 10px 10px 0 var(--blue);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-2);
  font: 400 17px/1.6 var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

img {
  height: auto;
}

a {
  color: var(--blue-text);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--ink);
}

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}

h1,
h2,
h3 {
  margin: 0 0 0.5em;
  color: var(--ink);
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
}

p {
  margin: 0 0 1em;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--ink);
  color: #fff;
  font-weight: 600;
}

.skip:focus {
  top: 12px;
}

/* ---------- Type ---------- */

.display {
  font-size: clamp(2.4rem, 4.8vw, 4.3rem);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 0.4em;
}

.display em,
.h-xl em {
  font-style: normal;
  color: var(--blue);
  box-shadow: inset 0 -0.12em 0 rgba(31, 91, 255, 0.22);
}

.stage .display em,
.dark .h-xl em {
  color: var(--cyan);
  box-shadow: inset 0 -0.12em 0 rgba(95, 211, 255, 0.25);
}

.h-xl {
  font-size: clamp(1.9rem, 3.4vw, 2.9rem);
  letter-spacing: -0.035em;
}

.h-lg {
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  letter-spacing: -0.025em;
}

.lead {
  max-width: 40em;
  font-size: clamp(1.06rem, 1.4vw, 1.22rem);
  line-height: 1.6;
}

.aside {
  margin-top: 1.2rem;
  color: var(--muted);
  font-size: 0.93rem;
}

.label {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 1.3rem;
  color: var(--ink);
  font: 600 0.76rem/1.2 var(--display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.label b {
  color: var(--blue);
  font-weight: 600;
}

.more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font: 600 0.98rem/1.2 var(--display);
  text-decoration: none;
  border-bottom: 2px solid currentColor;
  padding-bottom: 3px;
}

.more:hover {
  color: var(--blue-text);
}

.more svg {
  transition: transform 0.2s;
}

.more:hover svg {
  transform: translateX(4px);
}

.dark .more,
.stage .more {
  color: #fff;
}

.dark .more:hover,
.stage .more:hover {
  color: var(--cyan);
}

/* "Explained on neruna.org": the bridge to the client's own pages */
.org-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 0.4rem;
  color: var(--muted);
  font: 500 0.88rem/1.3 var(--display);
  text-decoration: none;
}

.org-link b {
  color: var(--ink);
  font-weight: 600;
  border-bottom: 1px solid var(--rule);
}

.org-link:hover b {
  color: var(--blue-text);
  border-color: var(--blue);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 11px 20px;
  border: 2px solid var(--ink);
  border-radius: 2px;
  background: transparent;
  color: var(--ink);
  font: 600 0.98rem/1.1 var(--display);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn:hover {
  color: var(--ink);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--ink);
}

.btn-primary {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.btn-primary:hover {
  color: #fff;
  box-shadow: 4px 4px 0 var(--ink);
}

.btn-line {
  background: var(--card);
}

.btn-sm {
  min-height: 40px;
  padding: 8px 16px;
}

.stage .btn:not(.btn-primary),
.dark .btn:not(.btn-primary) {
  border-color: #fff;
  color: #fff;
  background: transparent;
}

.stage .btn:hover,
.dark .btn:hover {
  box-shadow: 4px 4px 0 var(--cyan);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 1.8rem;
}

.tag {
  display: inline-block;
  padding: 3px 8px 2px;
  border: 1.5px solid var(--blue);
  border-radius: 2px;
  color: var(--blue-text);
  font: 600 0.66rem/1.4 var(--display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  vertical-align: 0.2em;
  white-space: nowrap;
}

.tag-solid {
  background: var(--blue);
  color: #fff;
}

.tag-plain {
  border-color: var(--muted);
  border-style: dashed;
  color: var(--muted);
}

/* ---------- Header ---------- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--ink);
}

.head-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 70px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.brand img {
  height: 30px;
  width: auto;
}

.brand span {
  padding: 4px 8px 3px;
  background: var(--ink);
  color: #fff;
  font: 600 0.72rem/1 var(--display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.primary {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
}

.primary > a {
  color: var(--ink);
  font: 500 0.98rem/1 var(--display);
  text-decoration: none;
}

.primary > a:hover,
.primary > a[aria-current] {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 8px;
}

.primary > a[aria-current] {
  text-decoration-color: var(--blue);
}

.primary .ext {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--muted);
}

.lang {
  display: flex;
  gap: 2px;
  font: 600 0.76rem/1 var(--display);
  letter-spacing: 0.06em;
}

.lang a {
  padding: 6px;
  color: var(--muted);
  text-decoration: none;
}

.lang a:hover {
  color: var(--ink);
}

.lang a[aria-current] {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--blue);
}

.head-actions {
  display: flex;
  gap: 10px;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  border: 1.5px solid var(--ink);
  border-radius: 2px;
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
}

.nav-toggle svg {
  margin: auto;
}

.nav-toggle .close {
  display: none;
}

/* ---------- Stage (hero, ink) ---------- */

.stage {
  background: var(--ink);
  color: #c4cad6;
  padding: clamp(48px, 7vw, 104px) 0 clamp(56px, 7vw, 104px);
  overflow: hidden;
}

.stage h1,
.stage h2 {
  color: #fff;
}

.stage .label {
  color: #fff;
}

.stage .label b {
  color: var(--cyan);
}

.stage-grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.stage .lead {
  color: #d5dae3;
}

.fine {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 1.4rem 0 0;
  list-style: none;
  color: #aab2c1;
  font-size: 0.9rem;
}

.fine li::before {
  content: "✓";
  margin-right: 8px;
  color: var(--cyan);
  font-weight: 700;
}

.screen {
  position: relative;
  margin: 0;
  border: 1.5px solid var(--ink);
  background: var(--card);
  box-shadow: var(--shadow);
  cursor: zoom-in;
  transition: transform 0.2s, box-shadow 0.2s;
}

.screen:hover {
  transform: translate(-2px, -2px);
}

.screen img {
  width: 100%;
}

.screen figcaption {
  padding: 10px 14px;
  border-top: 1.5px solid var(--ink);
  color: var(--ink-2);
  font: 500 0.88rem/1.35 var(--display);
}

.stage .screen {
  border-color: #fff;
  box-shadow: var(--shadow-blue);
  margin-right: calc(-1 * var(--gutter) - 4vw);
}

.screen-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1.5px solid var(--ink);
  background: var(--paper-2);
  color: var(--muted);
  font: 500 0.78rem/1 var(--display);
}

.screen-bar::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2b9a55;
}

/* ---------- Trust strip ---------- */

.trust {
  border-bottom: 1px solid var(--ink);
  background: var(--card);
}

.trust ul {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
}

.trust li {
  padding: 22px 22px 22px 0;
  border-right: 1px solid var(--rule);
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--muted);
}

.trust li + li {
  padding-left: 22px;
}

.trust li:last-child {
  border-right: 0;
}

.trust b {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
  font: 700 1.35rem/1.1 var(--display);
  letter-spacing: -0.02em;
}

/* ---------- Sections ---------- */

.section {
  padding: clamp(64px, 8vw, 116px) 0;
}

.section-tight {
  padding-top: 0;
}

.dark {
  background: var(--ink);
  color: #c4cad6;
}

.dark h2,
.dark h3,
.dark .label {
  color: #fff;
}

.dark .label b {
  color: var(--cyan);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: start;
}

.split-center {
  align-items: center;
}

/* Capability index: rows with a number, a name, a sentence and a link */
.caps {
  list-style: none;
  counter-reset: cap;
  border-top: 1.5px solid var(--ink);
}

.caps li {
  counter-increment: cap;
  border-bottom: 1px solid var(--rule);
}

.caps a {
  display: grid;
  grid-template-columns: 3.4rem minmax(0, 4fr) minmax(0, 6fr) 2rem;
  gap: 18px;
  align-items: baseline;
  padding: 22px 6px;
  color: var(--ink);
  text-decoration: none;
}

.caps a::before {
  content: counter(cap, decimal-leading-zero);
  color: var(--blue);
  font: 600 0.9rem/1 var(--display);
  letter-spacing: 0.08em;
}

.caps b {
  font: 700 clamp(1.25rem, 2vw, 1.6rem)/1.15 var(--display);
  letter-spacing: -0.02em;
}

.caps span {
  color: var(--ink-2);
  font-size: 0.97rem;
}

.caps svg {
  align-self: center;
  justify-self: end;
  transition: transform 0.2s;
}

.caps a:hover {
  background: var(--paper-2);
}

.caps a:hover svg {
  transform: translateX(5px);
}

/* Diagram: portal, devices, mail server */
.model {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0;
  border: 1.5px solid var(--ink);
  background: var(--card);
  box-shadow: var(--shadow);
}

.model > div {
  padding: 22px;
}

.model .m-cloud {
  grid-column: 1 / -1;
  background: var(--ink);
  color: #c4cad6;
}

.model .m-cloud b,
.model b {
  display: block;
  color: inherit;
  font: 700 1.15rem/1.2 var(--display);
}

.model .m-cloud b {
  color: #fff;
}

.model .m-arrow {
  grid-column: 1 / -1;
  padding: 12px 22px;
  border-bottom: 1px solid var(--rule);
  color: var(--blue-text);
  font: 600 0.8rem/1.3 var(--display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.model .m-desk {
  border-right: 1px solid var(--rule);
}

.model .m-desk b,
.model .m-mail b {
  color: var(--ink);
}

.model span {
  display: block;
  margin-top: 6px;
  font-size: 0.9rem;
  line-height: 1.45;
}

.model .m-note {
  grid-column: 1 / -1;
  padding: 12px 22px;
  border-top: 1px solid var(--rule);
  background: var(--paper-2);
  color: var(--muted);
  font-size: 0.86rem;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  list-style: none;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  padding-top: 18px;
  border-top: 1.5px solid var(--ink);
}

.steps li::before {
  content: counter(step);
  display: block;
  margin-bottom: 10px;
  color: var(--blue);
  font: 700 2.8rem/1 var(--display);
  letter-spacing: -0.04em;
}

.steps b {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  font: 700 1.2rem/1.3 var(--display);
}

.steps p {
  margin: 0;
}

/* Numbered points on ink */
.points {
  list-style: none;
  counter-reset: point;
  border-top: 1px solid var(--line-dark);
}

.points li {
  counter-increment: point;
  display: grid;
  grid-template-columns: 2.8rem minmax(0, 1fr);
  padding: 18px 0;
  border-bottom: 1px solid var(--line-dark);
}

.points li::before {
  content: counter(point, decimal-leading-zero);
  grid-row: span 2;
  color: var(--cyan);
  font: 600 0.88rem/1.7 var(--display);
}

.points b {
  color: #fff;
  font: 700 1.12rem/1.35 var(--display);
}

.points span {
  grid-column: 2;
  font-size: 0.96rem;
}

/* Light variant of the numbered points */
.points-light {
  border-color: var(--ink);
}

.points-light li {
  border-color: var(--rule);
}

.points-light li::before {
  color: var(--blue);
}

.points-light b {
  color: var(--ink);
}

/* The client, on neruna.org */
.desktop-box {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  padding: clamp(24px, 4vw, 48px);
  border: 1.5px solid var(--ink);
  background: var(--card);
}

.desktop-box img {
  border: 1.5px solid var(--ink);
}

/* CTA band */
.band {
  background: var(--blue);
  color: #fff;
  padding: clamp(52px, 7vw, 92px) 0;
}

.band-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 22px 48px;
}

.band h2 {
  max-width: 18ch;
  margin: 0 0 8px;
  color: #fff;
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  letter-spacing: -0.035em;
}

.band p {
  margin: 0;
  color: #dfe7ff;
}

.band .btn-primary {
  border-color: var(--ink);
  background: var(--ink);
}

.band .btn-primary:hover {
  box-shadow: 4px 4px 0 #fff;
}

.band .btn:not(.btn-primary) {
  border-color: #fff;
  color: #fff;
}

.band .actions {
  margin: 0;
}

/* ---------- Page heads ---------- */

.page-head {
  padding: clamp(36px, 6vw, 80px) 0 clamp(36px, 5vw, 64px);
}

.page-head .display {
  max-width: 18ch;
}

/* ---------- Features: chapters ---------- */

.chapter {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 28px clamp(28px, 5vw, 72px);
  padding-top: 32px;
  padding-bottom: clamp(56px, 7vw, 96px);
}

.chapter-text {
  position: sticky;
  top: 96px;
  align-self: start;
  padding-top: 24px;
  border-top: 1.5px solid var(--ink);
}

.chapter-no {
  display: block;
  margin-bottom: 12px;
  color: var(--blue);
  font: 600 0.9rem/1 var(--display);
  letter-spacing: 0.1em;
}

.chapter-text h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  letter-spacing: -0.03em;
}

.chapter-visual {
  padding-top: 24px;
}

.ticks {
  list-style: none;
  margin: 1rem 0;
}

.ticks li {
  position: relative;
  padding: 8px 0 8px 28px;
  border-bottom: 1px solid var(--rule);
  font-size: 0.97rem;
}

.ticks li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.95em;
  width: 13px;
  height: 7px;
  border-left: 2.5px solid var(--blue);
  border-bottom: 2.5px solid var(--blue);
  transform: rotate(-45deg);
}

/* ---------- Tables ---------- */

.table-wrap {
  overflow-x: auto;
}

.data {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  border-top: 1.5px solid var(--ink);
  font-size: 0.95rem;
}

.data th,
.data td {
  padding: 14px 18px 14px 0;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.data thead th {
  color: var(--muted);
  font: 600 0.74rem/1.3 var(--display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.data tbody th {
  color: var(--ink);
  font: 600 1rem/1.4 var(--display);
}

.data .no::before,
.data .yes::before {
  content: "●";
  margin-right: 8px;
}

.data .no {
  color: var(--ink);
  font-weight: 600;
}

.data .no::before {
  color: #2b9a55;
}

.data .yes::before {
  color: var(--signal);
}

/* Plans */
.plans {
  overflow-x: auto;
  border: 1.5px solid var(--ink);
  background: var(--card);
  box-shadow: var(--shadow);
}

.plans table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.plans th,
.plans td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.plans thead th {
  border-bottom: 1.5px solid var(--ink);
  vertical-align: bottom;
}

.plans thead b {
  display: block;
  margin-top: 10px;
  color: var(--ink);
  font: 700 1.8rem/1 var(--display);
  letter-spacing: -0.03em;
}

.plans tbody th {
  width: 26%;
  color: var(--ink);
  font: 600 0.95rem/1.35 var(--display);
}

.plans .col-trial,
.plans td:nth-child(2) {
  background: rgba(31, 91, 255, 0.05);
}

.plans .big {
  display: block;
  color: var(--ink);
  font: 700 1.8rem/1 var(--display);
}

.plans .yes {
  color: var(--blue-text);
  font: 700 1.25rem/1 var(--display);
}

.plans tbody tr:last-child th,
.plans tbody tr:last-child td {
  border-bottom: 0;
}

/* FAQ */
.faq details {
  border-bottom: 1px solid var(--rule);
}

.faq summary {
  position: relative;
  padding: 16px 40px 16px 0;
  color: var(--ink);
  font: 600 1.06rem/1.35 var(--display);
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 10px;
  color: var(--blue);
  font: 400 1.7rem/1 var(--display);
  transition: transform 0.2s;
}

.faq details[open] summary::after {
  transform: rotate(45deg);
}

.faq p {
  margin: 0 0 18px;
  max-width: 46em;
}

/* Principles grid (security) */
.grid3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px 32px;
}

.grid3 article {
  padding-top: 18px;
  border-top: 1.5px solid var(--ink);
}

.grid3 h3 {
  font-size: 1.25rem;
  letter-spacing: -0.015em;
}

.grid3 p {
  font-size: 0.96rem;
}

/* ---------- Legal pages ---------- */

.legal {
  max-width: 860px;
  padding-top: clamp(36px, 6vw, 80px);
  padding-bottom: clamp(64px, 8vw, 112px);
}

.legal h2 {
  margin-top: 2.2rem;
  padding-top: 14px;
  border-top: 1px solid var(--ink);
  font-size: 1.3rem;
}

/* ---------- Footer ---------- */

.site-foot {
  background: var(--ink);
  color: #aab2c1;
  padding: clamp(52px, 7vw, 88px) 0 26px;
  font-size: 0.94rem;
}

.foot-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.foot-claim {
  margin: 0 0 18px;
  color: #fff;
  font: 700 clamp(1.4rem, 2.4vw, 1.9rem)/1.15 var(--display);
  letter-spacing: -0.03em;
}

.site-foot h2 {
  margin-bottom: 12px;
  color: #fff;
  font: 600 0.76rem/1 var(--display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-foot ul {
  list-style: none;
}

.site-foot li {
  padding: 4px 0;
}

.site-foot a {
  color: #dfe3ea;
  text-decoration: none;
}

.site-foot a:hover {
  color: var(--cyan);
  text-decoration: underline;
}

.site-foot .lang a {
  color: #8992a3;
}

.site-foot .lang a[aria-current] {
  color: #fff;
  box-shadow: inset 0 -2px 0 var(--cyan);
}

.foot-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: 48px;
  padding-top: 18px;
  border-top: 1px solid var(--line-dark);
  color: #8992a3;
  font-size: 0.85rem;
}

/* ---------- Lightbox ---------- */

.lightbox {
  width: min(1240px, 94vw);
  max-height: 92vh;
  padding: 0;
  border: 1.5px solid var(--ink);
  background: var(--card);
  box-shadow: 12px 12px 0 var(--blue);
}

.lightbox::backdrop {
  background: rgba(11, 20, 38, 0.8);
}

.lightbox img {
  width: 100%;
  max-height: calc(92vh - 60px);
  object-fit: contain;
}

.lightbox p {
  margin: 0;
  padding: 12px 18px;
  border-top: 1.5px solid var(--ink);
  color: var(--ink);
  font: 600 0.95rem/1.3 var(--display);
}

.lb-close {
  position: absolute;
  right: 10px;
  top: 10px;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--ink);
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
}

/* ---------- Responsive ---------- */

@media (max-width: 1060px) {
  .head-actions .btn-line {
    display: none;
  }
}

@media (max-width: 960px) {
  .nav-toggle {
    display: grid;
  }

  .head-actions {
    display: none;
  }

  .primary {
    position: fixed;
    inset: 70px 0 0;
    z-index: 49;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 8px var(--gutter) 40px;
    overflow-y: auto;
    background: var(--paper);
  }

  .site-head.open .primary {
    display: flex;
  }

  .site-head.open .nav-toggle .open {
    display: none;
  }

  .site-head.open .nav-toggle .close {
    display: block;
  }

  .primary > a {
    padding: 18px 0;
    border-bottom: 1px solid var(--ink);
    font-size: 1.5rem;
    font-weight: 700;
  }

  .primary .mobile-actions {
    display: flex;
  }

  .primary .lang {
    margin-top: 22px;
    font-size: 1rem;
  }

  .stage-grid,
  .split,
  .chapter,
  .desktop-box {
    grid-template-columns: 1fr;
  }

  .stage .screen {
    margin-right: 0;
  }

  .chapter-text {
    position: static;
  }

  .trust ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trust li:nth-child(2) {
    border-right: 0;
  }

  .trust li:nth-child(3) {
    padding-left: 0;
    border-top: 1px solid var(--rule);
  }

  .trust li:nth-child(4) {
    border-top: 1px solid var(--rule);
  }

  .caps a {
    grid-template-columns: 2.6rem minmax(0, 1fr) 1.6rem;
  }

  .caps span {
    grid-column: 2;
  }

  .caps svg {
    grid-row: 1;
    grid-column: 3;
  }

  .grid3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .foot-grid {
    grid-template-columns: 1fr 1fr;
  }

  .foot-grid > :first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .steps,
  .grid3,
  .model {
    grid-template-columns: 1fr;
  }

  .model .m-desk {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .trust ul {
    grid-template-columns: 1fr 1fr;
  }

  .trust li {
    padding: 16px 12px 16px 0;
  }

  .trust li + li {
    padding-left: 12px;
  }

  .trust li:nth-child(3) {
    padding-left: 0;
  }

  .trust b {
    font-size: 1.1rem;
  }

  .screen {
    box-shadow: 5px 5px 0 var(--ink);
  }

  .stage .screen {
    box-shadow: 6px 6px 0 var(--blue);
  }

  .band-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

.mobile-actions {
  display: none;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}