/* MacAIterm site: plain CSS, system fonts only, no external requests. */
:root {
  --paper: #fbfaf7;
  --surface: #ffffff;
  --sunk: #f3f1ec;
  --ink: #16181d;
  --dim: #565c69;
  --faint: #858a96;
  --rule: #e6e3db;
  --rule-2: #d4d0c5;
  --accent: #1f6f5b;
  --accent-ink: #ffffff;
  --wash: #e8f1ed;
  --warn: #9a5a00;
  --warn-wash: #fbf1de;
  --serif: ui-serif, 'New York', 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', system-ui, sans-serif;
  --mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --max: 1080px;
  --code: #14171c;
  --code-ink: #e8e6df;
  --err: #b3261e;
}
html[data-theme='dark'] {
  --paper: #0f1114;
  --surface: #14171c;
  --sunk: #171b21;
  --ink: #ece9e2;
  --dim: #a4a8b2;
  --faint: #6f7480;
  --rule: #242830;
  --rule-2: #313642;
  --accent: #6fcfae;
  --accent-ink: #0f1114;
  --wash: #14231f;
  --warn: #e0a64b;
  --warn-wash: #251d0e;
  --err: #f2a29b;
}
@media (prefers-color-scheme: dark) {
  html:not([data-theme='light']) {
    --paper: #0f1114;
    --surface: #14171c;
    --sunk: #171b21;
    --ink: #ece9e2;
    --dim: #a4a8b2;
    --faint: #6f7480;
    --rule: #242830;
    --rule-2: #313642;
    --accent: #6fcfae;
    --accent-ink: #0f1114;
    --wash: #14231f;
    --warn: #e0a64b;
    --warn-wash: #251d0e;
    --err: #f2a29b;
  }
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16.5px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration-color: var(--rule-2);
  text-underline-offset: 3px;
}
a:hover {
  text-decoration-color: var(--accent);
  color: var(--accent);
}
h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.022em;
  margin: 0;
  line-height: 1.1;
  text-wrap: balance;
}
p {
  margin: 0 0 1em;
}
code,
kbd {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--sunk);
  border: 1px solid var(--rule);
  padding: 1px 6px;
  border-radius: 5px;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
.wrap {
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
}
.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--ink);
  color: var(--paper);
  padding: 8px 14px;
  border-radius: 6px;
  z-index: 100;
}
.skip:focus {
  left: 8px;
}
.label {
  font: 600 12.5px var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 14px;
}
.label::before {
  content: '› ';
  color: var(--accent);
}

/* header */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.nav .wrap {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 78px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font: 700 22px var(--sans);
  letter-spacing: -0.02em;
  text-decoration: none;
}
.brand:hover {
  color: var(--ink);
}
.brand img {
  width: 52px;
  height: 52px;
  border-radius: 12px;
}
footer .brand {
  font-size: 19px;
}
footer .brand img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
}
.hero-mark {
  display: block;
  width: 96px;
  height: 96px;
  border-radius: 22px;
  margin: 0 0 30px;
  box-shadow:
    0 14px 34px rgba(0, 0, 0, 0.16),
    0 0 0 1px var(--rule);
}
.nav ul {
  display: flex;
  gap: 22px;
  list-style: none;
  margin: 0 0 0 auto;
  padding: 0;
}
.nav ul a {
  font-size: 14.5px;
  color: var(--dim);
  text-decoration: none;
}
.nav ul a:hover,
.nav ul a[aria-current='page'] {
  color: var(--ink);
}
.tools {
  display: flex;
  align-items: center;
  gap: 12px;
}
.icon-btn {
  width: 34px;
  height: 34px;
  border-radius: 7px;
  border: 1px solid var(--rule-2);
  background: transparent;
  color: var(--dim);
  cursor: pointer;
  display: grid;
  place-items: center;
}
.icon-btn:hover {
  color: var(--ink);
  border-color: var(--ink);
}
.icon-btn svg {
  width: 16px;
  height: 16px;
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 46px;
  padding: 0 22px;
  border-radius: 8px;
  font: 600 15px var(--sans);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition:
    background 0.15s,
    color 0.15s,
    border-color 0.15s;
}
.btn-solid {
  background: var(--ink);
  color: var(--paper);
}
.btn-solid:hover {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn-line {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule-2);
}
.btn-line:hover {
  border-color: var(--ink);
  color: var(--ink);
}
.btn.sm {
  height: 36px;
  padding: 0 16px;
  font-size: 14px;
}
.btn svg {
  width: 17px;
  height: 17px;
  flex: none;
}

/* hero */
.hero {
  padding: 84px 0 0;
}
.hero h1 {
  font-size: clamp(40px, 6.6vw, 80px);
  max-width: 13em;
  margin-bottom: 26px;
  letter-spacing: -0.03em;
}
.hero h1 span {
  color: var(--accent);
}
.lede {
  max-width: 36em;
  font-size: clamp(17px, 1.9vw, 20px);
  color: var(--dim);
  margin-bottom: 30px;
}
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}
.facts {
  font: 13px/1.7 var(--mono);
  color: var(--faint);
  margin-bottom: 52px;
  display: flex;
  flex-wrap: wrap;
  gap: 0 22px;
}
.facts b {
  color: var(--dim);
  font-weight: 600;
}

/* screenshots */
.shot {
  margin: 0;
  border: 1px solid var(--rule-2);
  border-radius: 10px;
  background: var(--surface);
  overflow: hidden;
  box-shadow:
    0 1px 2px rgba(20, 24, 40, 0.06),
    0 36px 70px -36px rgba(20, 24, 40, 0.35);
}
html[data-theme='dark'] .shot {
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.4),
    0 36px 70px -36px rgba(0, 0, 0, 0.8);
}
.shot .bar {
  height: 30px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 12px;
  border-bottom: 1px solid var(--rule);
  background: var(--sunk);
}
.shot .bar i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--rule-2);
}
.shot img {
  width: 100%;
  height: auto;
}
html[data-theme='dark'] .img-light,
html[data-theme='light'] .img-dark {
  display: none;
}
@media (prefers-color-scheme: dark) {
  html:not([data-theme]) .img-light {
    display: none;
  }
}
@media (prefers-color-scheme: light) {
  html:not([data-theme]) .img-dark {
    display: none;
  }
}
figcaption {
  font: 13px/1.5 var(--mono);
  color: var(--faint);
  padding: 10px 14px;
  border-top: 1px solid var(--rule);
  background: var(--surface);
}
.hero .shot {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom: 0;
}

/* sections */
section {
  padding: 100px 0;
  border-top: 1px solid var(--rule);
}
section.tint {
  background: var(--sunk);
}
.head {
  max-width: 40em;
  margin-bottom: 54px;
}
.head h2 {
  font-size: clamp(30px, 4vw, 46px);
  margin-bottom: 16px;
}
.head p {
  color: var(--dim);
  font-size: 18px;
  margin: 0;
}

/* numbered list of points */
.points {
  border-bottom: 1px solid var(--rule);
}
.point {
  display: grid;
  grid-template-columns: 56px 1fr 1.4fr;
  gap: 12px 32px;
  padding: 30px 0;
  border-top: 1px solid var(--rule);
  align-items: baseline;
}
.point .n {
  font: 600 13px var(--mono);
  color: var(--accent);
}
.point h3 {
  font-size: 24px;
}
.point p {
  color: var(--dim);
  margin: 0;
  font-size: 16.5px;
}

/* showcase rows */
.show {
  display: grid;
  grid-template-columns: 4.4fr 7.6fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 110px;
}
.show:last-child {
  margin-bottom: 0;
}
.show.flip {
  grid-template-columns: 7.6fr 4.4fr;
}
.show.flip .text {
  order: 2;
}
.show h3 {
  font-size: clamp(26px, 3vw, 34px);
  margin-bottom: 14px;
}
.show p {
  color: var(--dim);
  font-size: 17px;
  margin-bottom: 0;
}
.show .label {
  margin-bottom: 12px;
}
.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 110px;
}
.pair h3 {
  font-size: 24px;
  margin: 22px 0 8px;
}
.pair p {
  color: var(--dim);
  font-size: 16px;
}

/* table of models */
.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}
.tbl th,
.tbl td {
  text-align: left;
  padding: 18px 20px 18px 0;
  border-top: 1px solid var(--rule);
  vertical-align: top;
}
.tbl th {
  font: 600 12.5px var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--faint);
  padding-top: 0;
  padding-bottom: 12px;
  border-top: 0;
}
.tbl td:first-child {
  font-weight: 600;
  width: 22%;
}
.tbl td {
  color: var(--dim);
}
.tbl td:first-child {
  color: var(--ink);
}
.tbl tr:last-child td {
  border-bottom: 1px solid var(--rule);
}

/* steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.step .n {
  font: 600 13px var(--mono);
  color: var(--accent);
  margin-bottom: 14px;
}
.step h3 {
  font-size: 24px;
  margin-bottom: 10px;
}
.step p {
  color: var(--dim);
  margin: 0;
}

/* notes */
.note {
  border: 1px solid color-mix(in srgb, var(--warn) 35%, var(--rule-2));
  background: var(--warn-wash);
  border-radius: 8px;
  padding: 16px 20px;
  font-size: 15.5px;
  margin-bottom: 14px;
}
.note b {
  color: var(--warn);
}
.list {
  margin: 0 0 1em;
  padding-left: 1.3em;
  color: var(--dim);
}
.list li {
  margin-bottom: 8px;
}
.list b {
  color: var(--ink);
  font-weight: 600;
}

/* download */
.dl {
  border: 1px solid var(--rule-2);
  border-radius: 12px;
  background: var(--surface);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  overflow: hidden;
}
.dl .main {
  padding: 36px;
  border-right: 1px solid var(--rule);
}
.dl .main h2 {
  font-size: 32px;
  margin-bottom: 10px;
}
.dl .main p {
  color: var(--dim);
}
.dl .side {
  padding: 36px;
  background: var(--sunk);
}
.specs {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 22px;
  font-size: 15px;
}
.specs dt {
  color: var(--faint);
  font: 600 12.5px var(--mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding-top: 2px;
}
.specs dd {
  margin: 0;
  word-break: break-all;
}
.specs dd.mono {
  font: 13px/1.6 var(--mono);
}
.dl .btn {
  margin-top: 10px;
}
.alt-files {
  width: 100%;
  border-collapse: collapse;
  margin-top: 30px;
  font-size: 15.5px;
}
.alt-files td {
  padding: 14px 18px 14px 0;
  border-top: 1px solid var(--rule);
  vertical-align: top;
}
.alt-files tr:last-child td {
  border-bottom: 1px solid var(--rule);
}
.alt-files td:first-child {
  font-weight: 600;
  width: 22%;
}
.alt-files td {
  color: var(--dim);
}
.alt-files td:first-child {
  color: var(--ink);
}
.page-head {
  padding: 72px 0 40px;
}
.page-head h1 {
  font-size: clamp(36px, 5.4vw, 60px);
  margin-bottom: 14px;
}
.page-head p {
  color: var(--dim);
  font-size: 19px;
  max-width: 34em;
  margin: 0;
}
.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.two h2 {
  font-size: 28px;
  margin-bottom: 18px;
}
.code {
  position: relative;
  background: var(--code);
  color: var(--code-ink);
  border-radius: 8px;
  padding: 13px 84px 13px 16px;
  font: 13.5px/1.6 var(--mono);
  margin: 0 0 16px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  border: 1px solid #262b34;
}
.copy {
  position: absolute;
  top: 8px;
  right: 8px;
  height: 28px;
  padding: 0 10px;
  border-radius: 6px;
  border: 1px solid #343b48;
  background: #1b2028;
  color: #aeb3be;
  font: 600 11.5px var(--sans);
  cursor: pointer;
}
.copy:hover {
  color: #fff;
  border-color: #6fcfae;
}
details {
  border-top: 1px solid var(--rule);
  padding: 0;
}
details:last-of-type {
  border-bottom: 1px solid var(--rule);
}
summary {
  cursor: pointer;
  padding: 16px 0;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
summary::-webkit-details-marker {
  display: none;
}
summary::after {
  content: '+';
  font: 400 20px var(--mono);
  color: var(--faint);
}
details[open] summary::after {
  content: '–';
}
details > :not(summary) {
  color: var(--dim);
}
details > :last-child {
  margin-bottom: 18px;
}
.log {
  max-width: 46em;
}
.log h3 {
  font-size: 26px;
}
.log .date {
  font: 13px var(--mono);
  color: var(--faint);
  display: block;
  margin: 6px 0 16px;
}

/* footer */
footer {
  border-top: 1px solid var(--rule);
  padding: 48px 0 60px;
  font-size: 14.5px;
  color: var(--faint);
}
footer .cols {
  display: flex;
  flex-wrap: wrap;
  gap: 30px 70px;
  justify-content: space-between;
  margin-bottom: 32px;
}
footer h4 {
  margin: 0 0 12px;
  font: 600 12.5px var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--dim);
}
footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
footer li {
  margin-bottom: 7px;
}
footer a {
  color: var(--dim);
  text-decoration: none;
}
footer a:hover {
  color: var(--accent);
}

@media (max-width: 920px) {
  .point {
    grid-template-columns: 40px 1fr;
  }
  .point p {
    grid-column: 2;
  }
  .show,
  .show.flip {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 80px;
  }
  .show.flip .text {
    order: 0;
  }
  .pair,
  .steps,
  .two {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .dl {
    grid-template-columns: 1fr;
  }
  .dl .main {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }
  .nav ul {
    display: none;
  }
  .nav .tools {
    margin-left: auto;
  }
}
@media (max-width: 560px) {
  section {
    padding: 68px 0;
  }
  .hero {
    padding-top: 52px;
  }
  .dl .main,
  .dl .side {
    padding: 26px;
  }
  .btn {
    width: 100%;
  }
  .tbl th:nth-child(3),
  .tbl td:nth-child(3) {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* Support pages and shared mobile navigation. */
.nav .wrap > nav {
  margin-left: auto;
}
.menu-toggle,
.mobile-nav {
  display: none;
}
.support-section {
  padding-top: 28px;
  border-top: 0;
}
.email-link {
  font-size: clamp(16px, 2.3vw, 23px);
  overflow-wrap: anywhere;
  color: var(--accent);
}
.small-note {
  font-size: 14px;
  color: var(--dim);
  margin: 16px 0 0;
}
.reading {
  max-width: 780px;
}
.reading > h2,
.prose > h2 {
  font-size: 30px;
  margin: 40px 0 20px;
}
.reading > h2:first-child {
  margin-top: 0;
}
.prose p,
.reading p {
  color: var(--dim);
}
.prose code,
.reading code {
  overflow-wrap: anywhere;
}
.table-scroll {
  overflow-x: auto;
  margin-bottom: 24px;
}
.privacy-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
.privacy-table th,
.privacy-table td {
  text-align: left;
  vertical-align: top;
  padding: 14px;
  border-bottom: 1px solid var(--rule);
  min-width: 150px;
}
.privacy-table th {
  background: var(--sunk);
}
.privacy-table td {
  color: var(--dim);
}
.license-text {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 15px/1.8 var(--mono);
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 10px;
}
@media (max-width: 920px) {
  .menu-toggle:not([hidden]) {
    display: inline-flex;
  }
  .mobile-nav:not([hidden]) {
    display: grid;
    padding: 12px 22px 20px;
    gap: 10px;
    border-top: 1px solid var(--rule);
  }
  .mobile-nav a {
    padding: 6px 0;
    text-decoration: none;
  }
  .mobile-nav a[aria-current='page'] {
    color: var(--accent);
    font-weight: 600;
  }
}
@media (max-width: 560px) {
  .nav .tools > a.btn {
    display: none;
  }
  .nav .wrap {
    gap: 12px;
  }
  .license-text {
    padding: 20px;
  }
}

/* language switch (English / 한국어) */
.nav .lang {
  font: 600 13px/1 var(--sans);
  color: var(--dim);
  text-decoration: none;
  padding: 9px 12px;
  border: 1px solid var(--rule);
  border-radius: 8px;
  white-space: nowrap;
}
.nav .lang:hover {
  color: var(--ink);
  border-color: var(--dim);
}
/* Korean edition: system Korean fonts, whole-word line breaks, no serif headings */
html:lang(ko) {
  --sans:
    -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Apple SD Gothic Neo', 'Noto Sans KR',
    'Malgun Gothic', 'Segoe UI', system-ui, sans-serif;
  --serif: var(--sans);
}
html:lang(ko) body {
  word-break: keep-all;
  overflow-wrap: break-word;
  line-height: 1.75;
}
html:lang(ko) h1,
html:lang(ko) h2,
html:lang(ko) h3 {
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.28;
}
html:lang(ko) .label,
html:lang(ko) .step .n,
html:lang(ko) .point .n {
  text-transform: none;
  letter-spacing: 0.02em;
}
html:lang(ko) .alt-files td:last-child {
  white-space: nowrap;
}
@media (max-width: 920px) {
  .nav .wrap {
    height: 68px;
  }
  .brand img {
    width: 42px;
    height: 42px;
    border-radius: 10px;
  }
  .brand {
    font-size: 19px;
    gap: 11px;
  }
  .hero-mark {
    width: 80px;
    height: 80px;
    border-radius: 19px;
    margin-bottom: 24px;
  }
}
@media (max-width: 560px) {
  .hero-mark {
    width: 68px;
    height: 68px;
    border-radius: 16px;
  }
}

/* demo video in the hero */
.shot.demo {
  position: relative;
}
.demo-video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1710 / 1074;
  background: var(--surface);
}
.shot.demo figcaption {
  padding-right: 66px;
  min-height: 60px;
  display: flex;
  align-items: center;
}
.demo-toggle {
  position: absolute;
  right: 14px;
  bottom: 11px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 0;
  background: rgba(15, 17, 20, 0.74);
  color: #fff;
  font: 700 12px/1 var(--sans);
  letter-spacing: -1px;
  cursor: pointer;
  display: grid;
  place-items: center;
}
.demo-toggle:hover {
  background: rgba(15, 17, 20, 0.92);
}
.demo-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* line breaks: a sentence that wraps never ends with one or two stranded words (Korean also keeps whole words, see html:lang(ko) above) */
p,
li,
figcaption,
summary,
dd,
td {
  text-wrap: pretty;
}
.show .text p,
.point p,
.step p,
.pair p,
.hero p,
figcaption {
  text-wrap: balance;
}

/* Reading rhythm: preserve Korean words, wrap long tokens, balance headings only. */
h1,
h2,
h3,
h4 {
  text-wrap: balance;
  overflow-wrap: anywhere;
}
p,
li,
dd,
td,
th,
figcaption,
summary {
  text-wrap: pretty;
  overflow-wrap: anywhere;
}
html:lang(ko) :is(p, li, dd, td, th, figcaption, summary) {
  word-break: keep-all;
}
:is(.txt, .text, .fb-text, .tier, .card, .prod > div) {
  min-width: 0;
}
p + p {
  margin-top: 0.85em;
}

.show .text p,
.point p,
.step p,
.pair p,
.hero p,
figcaption {
  text-wrap: pretty;
}
.show .text p + p,
.pair p + p {
  margin-top: 0.85em;
}