@font-face {
  font-family: Manrope;
  src: url('/fonts/manrope-variable.ttf') format('truetype');
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
}
.why-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  padding-top: 112px;
  padding-bottom: 112px;
}
.eyebrow {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  margin-bottom: 18px;
}
.why-heading h2,
.learning-intro h2 {
  font-size: clamp(30px, 3.8vw, 48px);
  line-height: 1.16;
  letter-spacing: -0.045em;
}
.why-heading > p:not(.eyebrow) {
  color: var(--muted);
  margin: 24px 0;
  max-width: 450px;
}
.why-reasons > div {
  position: relative;
  padding: 0 0 26px 46px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--line);
}
.why-reasons > div:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border: 0;
}
.reason-number {
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}
.why-reasons h3 {
  font-size: 19px;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}
.why-reasons p {
  color: var(--muted);
  font-size: 14px;
}
.learning-band {
  background: var(--paper);
  border-block: 1px solid var(--line);
  padding: 75px 0;
}
.learning-intro {
  margin-bottom: 32px;
}
.learning-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.learning-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 28px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 14px;
  transition:
    border-color 0.2s,
    transform 0.2s;
}
.learning-card:hover {
  transform: translateY(-3px);
  border-color: var(--blue);
}
.learning-card > span {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-weight: 800;
}
.learning-card h3 {
  font-size: 22px;
  line-height: 1.3;
  margin: 24px 0 16px;
  letter-spacing: -0.03em;
}
.learning-card p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 30px;
}
.learning-card strong {
  margin-top: auto;
  font-size: 13px;
  color: var(--blue);
}
.article-hero {
  padding: 32px 0 64px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.breadcrumbs {
  display: flex;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 48px;
}
.breadcrumbs a:hover {
  color: var(--blue);
}
.article-hero h1 {
  max-width: 930px;
  font-size: clamp(34px, 4.3vw, 58px);
  line-height: 1.13;
  letter-spacing: -0.05em;
}
.article-lead {
  max-width: 810px;
  font-size: 19px;
  color: var(--muted);
  line-height: 1.7;
  margin-top: 25px;
}
.article-byline {
  color: var(--muted);
  font-size: 12px;
  margin-top: 24px;
}
.article-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 75px;
  padding-top: 65px;
  padding-bottom: 95px;
  align-items: start;
}
.article-toc {
  position: sticky;
  top: 35px;
  font-size: 12px;
}
.article-toc strong {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.article-toc nav {
  display: grid;
  gap: 15px;
  margin: 20px 0 28px;
  padding-left: 18px;
  border-left: 1px solid var(--line);
}
.article-toc nav a {
  color: var(--muted);
  line-height: 1.5;
}
.article-toc a:hover {
  color: var(--blue);
}
.toc-api {
  color: var(--blue);
  font-weight: 800;
}
.article-body {
  max-width: 790px;
  min-width: 0;
}
.article-body section {
  margin-bottom: 52px;
}
.article-body h2 {
  font-size: 27px;
  line-height: 1.28;
  letter-spacing: -0.035em;
  margin-bottom: 22px;
}
.article-body p {
  color: var(--muted);
  margin: 16px 0;
}
.article-body p strong,
.article-body li strong {
  color: var(--ink);
}
.article-body a:not(.button) {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-body ul,
.article-body ol {
  padding-left: 23px;
  color: var(--muted);
}
.article-body li {
  padding-left: 5px;
  margin-bottom: 16px;
}
.article-body code {
  font-size: 0.85em;
  overflow-wrap: anywhere;
}
.article-body p code,
.article-body td code {
  color: var(--ink);
  background: var(--paper);
  padding: 2px 5px;
  border-radius: 4px;
}
.article-body pre {
  background: var(--navy);
  color: #dce8ff;
  border-radius: 12px;
  padding: 25px;
  overflow-x: auto;
  line-height: 1.85;
  margin: 24px 0;
}
.article-body pre code {
  font-size: 12px;
  overflow-wrap: normal;
}
.article-note {
  border-left: 3px solid var(--blue);
  padding: 20px 24px;
  background: var(--paper);
  margin: 25px 0;
}
.article-note p {
  margin: 8px 0 0;
  font-size: 14px;
}
.article-table {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin: 24px 0;
}
.article-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 540px;
}
.article-table th,
.article-table td {
  padding: 19px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}
.article-table th {
  color: var(--ink);
  background: var(--paper);
}
.article-table td {
  color: var(--muted);
}
.article-table tr:last-child td,
.article-table tbody tr:last-child th {
  border-bottom: 0;
}
.article-related {
  border-top: 1px solid var(--line);
  padding-top: 36px;
}
.article-related a {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
@media (max-width: 900px) {
  .why-section {
    gap: 45px;
  }
  .learning-grid {
    gap: 14px;
  }
  .learning-card {
    padding: 22px;
  }
  .article-layout {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 35px;
  }
}
@media (max-width: 700px) {
  .why-section {
    grid-template-columns: 1fr;
    gap: 42px;
    padding-block: 65px;
  }
  .learning-grid {
    grid-template-columns: 1fr;
  }
  .learning-card h3 {
    margin-top: 16px;
  }
  .article-layout {
    display: block;
    padding-top: 35px;
  }
  .article-toc {
    position: static;
    margin-bottom: 45px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 28px;
  }
  .article-toc nav {
    gap: 11px;
  }
  .article-hero {
    padding-bottom: 40px;
  }
  .breadcrumbs {
    margin-bottom: 32px;
  }
  .article-lead {
    font-size: 17px;
  }
  .article-body h2 {
    font-size: 24px;
  }
}
:root {
  --ink: #101e36;
  --navy: #08172d;
  --blue: #3568ee;
  --blue-light: #b8ceff;
  --muted: #59677d;
  --line: #dee5ef;
  --paper: #f4f7fc;
  --white: #fff;
  --radius: 16px;
  font-family: Manrope, 'Avenir Next', sans-serif;
  color: var(--ink);
  background: var(--white);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
}
button,
input {
  font: inherit;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
a {
  color: inherit;
  text-decoration: none;
}
svg {
  display: block;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #779fff;
  outline-offset: 5px;
}
button[disabled] {
  cursor: default;
}
::selection {
  background: #b8ceff;
  color: #08172d;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: -0.045em;
}
h1 {
  font-size: clamp(3.25rem, 6vw, 5.5rem);
  font-weight: 600;
}
h2 {
  font-size: clamp(2.25rem, 4.2vw, 3.6rem);
  font-weight: 600;
}
h3 {
  font-size: 1.4rem;
  font-weight: 650;
  letter-spacing: -0.025em;
}
.wrap {
  width: min(1184px, calc(100% - 64px));
  margin-inline: auto;
}
.skip-link {
  position: absolute;
  left: 20px;
  top: -100px;
  z-index: 20;
  background: white;
  color: var(--ink);
  padding: 12px 20px;
}
.skip-link:focus {
  top: 15px;
}
.dark {
  background: var(--navy);
  color: white;
}
.site-header {
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.8px;
  white-space: nowrap;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--blue);
  color: white;
  font-size: 25px;
  font-weight: 750;
  line-height: 1;
  letter-spacing: -2px;
  padding-right: 2px;
}
.brand small {
  font: inherit;
  font-weight: 400;
  color: #bac8df;
}
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
  font-size: 14px;
  font-weight: 550;
}
.nav-links > a {
  color: #c3cee0;
}
.nav-links > a:hover {
  color: white;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  font-weight: 600;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  transition:
    background 0.15s,
    border-color 0.15s;
}
.button.primary {
  background: var(--blue);
  color: white;
  box-shadow: 0 2px 2px #0000000a;
}
.button.primary:hover {
  background: #2457da;
}
.button.light {
  background: white;
  color: var(--ink);
}
.button.light:hover {
  background: #e9effb;
}
.button.outline {
  border-color: #33425a;
  color: white;
  background: transparent;
}
.button.outline:hover {
  background: #142640;
}
.button.neutral {
  border-color: var(--line);
  color: var(--ink);
  background: white;
}
.button.neutral:hover {
  background: var(--paper);
}
.button.small {
  min-height: 40px;
  padding: 9px 16px;
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid #33425a;
  color: white;
  border-radius: 8px;
  padding: 8px 12px;
}
.hero {
  display: grid;
  grid-template-columns: 1.08fr 1fr;
  align-items: center;
  gap: 70px;
  padding-top: 72px;
  padding-bottom: 100px;
}
.beta-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: #c0d1ef;
  margin-bottom: 25px;
}
.beta-link span:first-child {
  background: #1d3356;
  color: #d7e4fc;
  border: 1px solid #355078;
  border-radius: 5px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 600;
}
.hero h1 {
  max-width: 650px;
}
.hero-copy > p {
  font-size: 18px;
  line-height: 1.75;
  color: #b3c0d7;
  max-width: 485px;
  margin-top: 24px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
}
.hero-note {
  font-size: 12px !important;
  color: #98abc7 !important;
  margin-top: 17px !important;
}
.mail-visual {
  position: relative;
  padding: 26px 20px;
  background-image: radial-gradient(#355079 1px, transparent 1px);
  background-size: 20px 20px;
  border-radius: 24px;
}
.mail-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--navy), transparent 20%, transparent 80%, var(--navy));
  pointer-events: none;
}
.example-label {
  position: relative;
  text-align: right;
  font-size: 12px;
  color: #a5b6d0;
  margin-bottom: 18px;
}
.message-sample {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 20px;
  background: #11233e;
  border: 1px solid #304462;
  border-radius: 12px;
  box-shadow: 0 14px 36px #0000001a;
  max-width: 350px;
}
.sample-avatar {
  width: 32px;
  height: 32px;
  background: #294163;
  border: 1px solid #48607e;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: none;
  font-size: 12px;
}
.message-sample strong {
  font-size: 13px;
  display: block;
  font-weight: 600;
}
.message-sample p {
  font-size: 13px;
  line-height: 1.6;
  color: #b6c6df;
  margin-top: 4px;
}
.message-sample.bottom {
  margin-left: auto;
}
.connector {
  width: 1px;
  height: 34px;
  background: #5476ad;
  margin-left: 50%;
  position: relative;
}
.connector::after {
  content: '';
  width: 6px;
  height: 6px;
  background: #adcaff;
  border-radius: 50%;
  position: absolute;
  bottom: 0;
  left: -2px;
}
.identity-card {
  position: relative;
  background: #f9fbff;
  color: var(--ink);
  padding: 24px;
  border: 1px solid #c6d6f1;
  border-radius: 14px;
  box-shadow: 0 22px 70px #00000025;
}
.identity-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
}
.identity-top > span:first-child {
  display: flex;
  gap: 8px;
  align-items: center;
}
.identity-top svg {
  color: var(--blue);
}
.scope-badge {
  background: #e9effa;
  color: #35598d;
  padding: 3px 8px;
  border-radius: 5px;
}
.agent-address {
  font-size: clamp(1rem, 1.65vw, 1.4rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  margin: 19px 0 23px;
  overflow-wrap: anywhere;
}
.identity-key {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid #dbe4f1;
  font-size: 12px;
  color: var(--muted);
}
.identity-key code {
  color: #455879;
  font-size: 13px;
}
.principles-strip {
  border-top: 1px solid #243550;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 0;
  font-size: 13px;
  color: #bdcce1;
}
.principles-strip span {
  display: flex;
  align-items: center;
  gap: 9px;
}
.principles-strip svg {
  color: #7fa5ed;
}
.section {
  padding-block: 100px;
}
.section-heading {
  max-width: 650px;
  margin-bottom: 48px;
}
.section-heading p {
  color: var(--muted);
  font-size: 18px;
  margin-top: 20px;
}
.section-heading.center {
  margin-inline: auto;
  text-align: center;
}
.code-grid {
  display: grid;
  grid-template-columns: 0.87fr 1.13fr;
  gap: 76px;
  align-items: start;
}
.code-intro p {
  font-size: 17px;
  color: var(--muted);
  margin-top: 22px;
  max-width: 420px;
}
.text-link {
  display: inline-block;
  color: #2f5ec7;
  font-weight: 650;
  font-size: 14px;
  margin-top: 26px;
  border-bottom: 1px solid #b8cdf7;
  padding-bottom: 2px;
}
.steps {
  display: grid;
  gap: 24px;
  margin-top: 36px;
}
.step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.step-number {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 12px;
  color: #66738a;
}
.step strong {
  font-size: 14px;
  font-weight: 650;
}
.step p {
  font-size: 14px;
  margin-top: 3px;
  line-height: 1.6;
}
.code-window {
  background: #0d1b32;
  color: #d1dcf0;
  border: 1px solid #22354f;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 22px 60px #13346410;
  min-width: 0;
}
.code-tabs {
  display: flex;
  gap: 4px;
  padding: 14px 14px 0;
  background: #102039;
  border-bottom: 1px solid #2a3c58;
}
.code-tab {
  border: 0;
  background: transparent;
  color: #8da4c5;
  padding: 11px 12px 15px;
  font-size: 13px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.code-tab[aria-selected='true'] {
  color: white;
  border-color: #84adff;
}
.code-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px 0;
  font-size: 12px;
  color: #7f99bd;
}
.copy-button {
  background: none;
  border: 1px solid #354762;
  color: #cbd9ef;
  border-radius: 5px;
  font-size: 12px;
  padding: 5px 9px;
  min-width: 66px;
}
.copy-button:hover {
  border-color: #8fb3ec;
}
.code-window pre {
  margin: 0;
  padding: 24px;
  overflow: auto;
  min-height: 308px;
  font:
    13px/1.95 'SFMono-Regular',
    Consolas,
    'Liberation Mono',
    monospace;
  tab-size: 2;
}
.code-window code {
  font: inherit;
}
.code-response {
  padding: 17px 24px;
  border-top: 1px solid #2a3c58;
  background: #102039;
  font:
    12px/1.6 'SFMono-Regular',
    Consolas,
    monospace;
  color: #adc5e9;
}
.code-response span {
  color: #86b6ff;
}
.code-caption {
  font-size: 12px;
  color: var(--muted);
  margin-top: 14px;
  line-height: 1.65;
}
.feature-section {
  background: var(--paper);
  border-block: 1px solid #e7edf5;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 44px;
}
.feature-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid #d3deef;
  background: white;
  border-radius: 12px;
  color: var(--blue);
  margin-bottom: 25px;
}
.feature-grid article p {
  margin-top: 16px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.85;
}
.feature-detail {
  font-size: 12px !important;
  font-family: 'SFMono-Regular', Consolas, monospace;
  color: #3d6193 !important;
  margin-top: 22px !important;
}
.workflow-section {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 90px;
  align-items: center;
}
.thread-demo {
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 16px 50px #17396509;
  overflow: hidden;
}
.thread-head {
  background: var(--paper);
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.thread-head strong {
  font-size: 14px;
  font-weight: 650;
}
.thread-head span {
  font-size: 12px;
  color: var(--muted);
}
.thread-item {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 12px;
  margin: 0 24px;
  padding: 24px 0;
  border-bottom: 1px solid #edf0f5;
}
.thread-item:last-child {
  border-bottom: 0;
}
.thread-avatar {
  background: #edf2fa;
  color: #42618d;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  font-size: 12px;
}
.thread-avatar.blue {
  background: #e5edff;
  color: #2c5bc8;
}
.thread-item strong {
  font-size: 13px;
}
.thread-item p {
  font-size: 13px;
  color: var(--muted);
  margin-top: 5px;
}
.thread-item small {
  display: inline-block;
  font-size: 11px;
  color: #416eaf;
  margin-top: 10px;
  background: #edf3ff;
  padding: 2px 7px;
  border-radius: 4px;
}
.workflow-copy p {
  font-size: 17px;
  color: var(--muted);
  margin-top: 24px;
}
.check-list {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: grid;
  gap: 12px;
  font-size: 14px;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.check-list li::before {
  content: '✓';
  color: #416be0;
  font-weight: 700;
}
.security-band {
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 60px;
  padding-block: 44px 60px;
}
.security-band h3 {
  font-size: 22px;
}
.security-band p {
  font-size: 14px;
  color: var(--muted);
  margin-top: 12px;
}
.security-band strong {
  font-size: 14px;
}
.closing {
  background: var(--blue);
  color: white;
  padding: 72px 0;
}
.closing-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.closing h2 {
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  max-width: 650px;
}
.closing p {
  color: #dce6ff;
  margin-top: 18px;
  font-size: 16px;
}
.closing-actions {
  display: flex;
  gap: 12px;
  flex: none;
}
.closing .button.outline {
  border-color: #9bb7ff;
}
.site-footer {
  background: var(--navy);
  color: #aebed6;
  padding: 56px 0 28px;
}
.footer-main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
}
.footer-brand p {
  font-size: 13px;
  margin-top: 16px;
  max-width: 280px;
}
.footer-links {
  display: flex;
  gap: 64px;
  font-size: 14px;
}
.footer-links > div {
  display: grid;
  gap: 12px;
  align-content: start;
}
.footer-links strong {
  color: white;
  font-weight: 600;
  margin-bottom: 4px;
}
.footer-links a:hover {
  color: white;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid #263953;
  padding-top: 24px;
  margin-top: 50px;
  font-size: 12px;
}
.footer-bottom span:last-child {
  color: #91a8c8;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}
[hidden] {
  display: none !important;
}
@media (min-width: 1500px) {
  .hero {
    padding-top: 95px;
    padding-bottom: 120px;
  }
}
@media (max-width: 1000px) {
  .hero {
    gap: 34px;
  }
  .site-header {
    gap: 20px;
  }
  .nav-links {
    gap: 20px;
  }
  .hero h1 {
    font-size: 4rem;
  }
  .hero-copy > p {
    font-size: 16px;
  }
  .agent-address {
    font-size: 1.1rem;
  }
  .code-grid {
    gap: 42px;
  }
  .workflow-section {
    gap: 42px;
  }
  .feature-grid {
    gap: 28px;
  }
  .closing-inner {
    align-items: flex-start;
    flex-direction: column;
  }
  .header-actions > a:not(.button) {
    display: none;
  }
}
@media (max-width: 760px) {
  .wrap {
    width: calc(100% - 40px);
  }
  .site-header {
    height: 80px;
    flex-wrap: wrap;
    position: relative;
  }
  .brand {
    font-size: 19px;
  }
  .brand-mark {
    width: 30px;
    height: 30px;
  }
  .header-actions {
    margin-left: auto;
    gap: 10px;
  }
  .header-actions > .button {
    display: none;
  }
  .nav-toggle {
    display: block;
  }
  .nav-links {
    display: none;
    position: absolute;
    left: -20px;
    right: -20px;
    top: 80px;
    z-index: 10;
    padding: 20px;
    background: #10223d;
    border-bottom: 1px solid #33425a;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .nav-links.is-open {
    display: flex;
  }
  .nav-links a {
    padding: 11px 0;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 40px;
    padding-bottom: 55px;
    gap: 48px;
  }
  .hero h1 {
    font-size: clamp(3rem, 11.8vw, 4.8rem);
    max-width: 570px;
  }
  .hero-copy > p {
    font-size: 17px;
    max-width: 500px;
  }
  .hero-actions {
    flex-wrap: wrap;
  }
  .mail-visual {
    max-width: 500px;
    width: 100%;
    margin-inline: auto;
    padding: 15px 12px;
  }
  .agent-address {
    font-size: clamp(1.05rem, 5vw, 1.5rem);
  }
  .principles-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px 14px;
    font-size: 12px;
  }
  .principles-strip svg {
    width: 16px;
    height: 16px;
  }
  .section {
    padding-block: 66px;
  }
  .section-heading {
    margin-bottom: 32px;
  }
  .section-heading p {
    font-size: 16px;
  }
  .code-grid,
  .workflow-section {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .code-intro p {
    max-width: none;
  }
  .steps {
    gap: 18px;
  }
  .code-window pre {
    font-size: 12px;
    padding: 20px;
    min-height: 300px;
  }
  .code-tabs {
    padding-left: 8px;
    gap: 0;
  }
  .code-tab {
    padding-inline: 10px;
    font-size: 12px;
  }
  .code-toolbar,
  .code-response {
    padding-inline: 20px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .feature-grid article {
    display: grid;
    grid-template-columns: 46px 1fr;
    column-gap: 20px;
  }
  .feature-icon {
    grid-row: 1/4;
    margin-bottom: 0;
  }
  .feature-grid h3 {
    padding-top: 8px;
  }
  .feature-grid article p {
    margin-top: 12px;
  }
  .feature-detail {
    margin-top: 12px !important;
  }
  .workflow-copy {
    grid-row: 1;
  }
  .security-band {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-block: 35px 48px;
  }
  .security-band p {
    margin-top: 7px;
    max-width: 460px;
  }
  .closing {
    padding-block: 54px;
  }
  .closing-actions {
    flex-wrap: wrap;
  }
  .footer-main {
    flex-direction: column;
    gap: 36px;
  }
  .footer-links {
    gap: 52px;
    flex-wrap: wrap;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    margin-top: 36px;
  }
  .thread-item {
    margin-inline: 20px;
  }
  .thread-head {
    padding: 18px 20px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}
.pricing-hero {
  text-align: center;
  padding-top: 48px;
  padding-bottom: 112px;
}
.pricing-intro {
  font-size: 14px;
  color: #a9c2ea !important;
  font-weight: 600;
  margin: 0 0 20px !important;
}
.pricing-hero h1 {
  font-size: clamp(2.8rem, 5.1vw, 4.7rem);
  font-weight: 550;
  max-width: 900px;
  margin: auto;
}
.pricing-hero > p:last-child {
  font-size: 17px;
  color: #b4c5de;
  margin-top: 25px;
}
.plans-section {
  position: relative;
  margin-top: -48px;
}
.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.plan {
  background: white;
  border: 1px solid #dce4ee;
  border-radius: 14px;
  padding: 30px;
  box-shadow: 0 12px 25px #173a6410;
  display: flex;
  flex-direction: column;
}
.plan.featured {
  border: 2px solid #4a76e9;
  padding: 29px;
  box-shadow: 0 15px 30px #305cbb12;
}
.plan-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.plan h2 {
  font-size: 24px;
  letter-spacing: -0.04em;
}
.plan-state {
  background: #f0f3f8;
  color: #626f86;
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 5px;
  white-space: nowrap;
  line-height: 1.5;
  font-weight: 600;
}
.plan-state.blue {
  background: #edf2ff;
  color: #3663cb;
}
.plan-description {
  font-size: 14px;
  color: var(--muted);
  margin-top: 16px;
  min-height: 48px;
  max-width: 250px;
  line-height: 1.7;
}
.plan-price {
  font-size: 54px;
  line-height: 1;
  font-weight: 600;
  letter-spacing: -3px;
  margin-top: 28px;
}
.plan-price > span {
  font-size: 13px;
  font-weight: 450;
  letter-spacing: 0;
  color: var(--muted);
  margin-left: 9px;
}
.plan-period {
  font-size: 12px;
  color: var(--muted);
  margin-top: 13px;
  margin-bottom: 25px;
}
.plan > .button {
  width: 100%;
  font-size: 14px;
}
.plan-allocation {
  margin-top: 27px;
  padding-bottom: 22px;
  border-bottom: 1px solid #e6ebf2;
  font-size: 14px;
}
.plan-allocation > strong {
  font-size: 19px;
  letter-spacing: -0.6px;
}
.plan-allocation > span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 7px;
}
.plan-features {
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
  display: grid;
  gap: 13px;
  font-size: 14px;
  line-height: 1.6;
}
.plan-features > li {
  display: flex;
  gap: 9px;
  align-items: flex-start;
}
.plan-features > li::before {
  content: '✓';
  color: #406de0;
  font-weight: 700;
}
.plan-footnote {
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
  margin-top: 22px;
  max-width: 990px;
}
.availability {
  margin-top: 48px;
  display: flex;
  align-items: flex-start;
  gap: 19px;
  background: #f0f5ff;
  border: 1px solid #d8e4fc;
  border-radius: 12px;
  padding: 28px 32px;
}
.availability-symbol {
  background: #dce8ff;
  color: #31579e;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  font-size: 14px;
  text-align: center;
  flex: none;
  font-family: Georgia, serif;
  font-weight: 700;
}
.availability h2 {
  font-size: 19px;
  letter-spacing: -0.03em;
  margin-top: 3px;
}
.availability p {
  font-size: 14px;
  color: #4e6080;
  line-height: 1.85;
  margin-top: 12px;
  max-width: 900px;
}
.availability-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 25px;
  font-size: 13px;
  margin-top: 15px;
  color: #315fc7;
  font-weight: 600;
}
.availability-links a {
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: #a6bce8;
}
.comparison-section {
  padding-top: 90px;
}
.comparison-scroll {
  overflow-x: auto;
}
.comparison {
  border-collapse: collapse;
  width: 100%;
  text-align: left;
  min-width: 660px;
  font-size: 14px;
}
.comparison th,
.comparison td {
  padding: 20px 18px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.comparison thead th {
  padding-top: 4px;
  padding-bottom: 25px;
  font-size: 16px;
  font-weight: 650;
}
.comparison thead th:first-child {
  font-weight: 450;
  color: var(--muted);
}
.comparison th:first-child {
  width: 40%;
  padding-left: 0;
}
.comparison th:not(:first-child),
.comparison td {
  width: 20%;
}
.comparison small {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  margin-top: 6px;
}
.comparison tbody th {
  font-weight: 500;
}
.comparison tbody td {
  color: var(--muted);
  font-size: 14px;
}
.comparison tbody tr:last-child th,
.comparison tbody tr:last-child td {
  border-bottom: 0;
}
.faq-section {
  padding: 85px 0 100px;
  background: var(--paper);
  border-top: 1px solid #e7edf5;
}
.faq-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 90px;
}
.faq-grid > div > p {
  font-size: 16px;
  color: var(--muted);
  max-width: 300px;
  margin-top: 24px;
}
.faq-list details {
  border-bottom: 1px solid #d9e2ee;
}
.faq-list details:first-child {
  border-top: 1px solid #d9e2ee;
}
.faq-list summary {
  list-style: none;
  padding: 23px 28px 23px 0;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  position: relative;
  line-height: 1.6;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary::after {
  content: '+';
  font-size: 22px;
  position: absolute;
  right: 2px;
  top: 18px;
  font-weight: 400;
  color: #657996;
}
.faq-list details[open] summary::after {
  content: '−';
}
.faq-list details > div {
  padding: 0 30px 25px 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.85;
}
.faq-list a {
  color: #315fc7;
  text-decoration: underline;
  text-underline-offset: 3px;
}
@media (max-width: 1000px) {
  .plan {
    padding: 24px;
  }
  .plan.featured {
    padding: 23px;
  }
  .plan-top {
    align-items: flex-start;
    gap: 10px;
    flex-direction: column;
  }
  .plan-description {
    min-height: 70px;
  }
  .plan-allocation > span {
    min-height: 40px;
  }
  .faq-grid {
    gap: 45px;
  }
  .plan-price {
    font-size: 48px;
  }
  .plan-period {
    min-height: 40px;
  }
}
@media (max-width: 760px) {
  .pricing-hero {
    padding-top: 36px;
    padding-bottom: 88px;
  }
  .pricing-hero > p:last-child {
    font-size: 15px;
  }
  .plans-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 470px;
    margin: auto;
  }
  .plan,
  .plan.featured {
    padding: 28px;
  }
  .plan-top {
    flex-direction: row;
    align-items: center;
  }
  .plan-description {
    min-height: 0;
    max-width: none;
  }
  .plan-price {
    font-size: 50px;
    margin-top: 23px;
  }
  .plan-period {
    min-height: 0;
  }
  .plan-allocation > span {
    min-height: 0;
  }
  .plan-features {
    gap: 11px;
  }
  .plans-section > .plan-footnote {
    max-width: 470px;
    margin-inline: auto;
  }
  .availability {
    padding: 24px 20px;
    gap: 12px;
    margin-top: 35px;
  }
  .availability h2 {
    font-size: 18px;
  }
  .availability p {
    font-size: 13px;
  }
  .availability-links {
    display: grid;
    gap: 15px;
    line-height: 1.7;
  }
  .comparison-section {
    padding-top: 65px;
  }
  .comparison {
    min-width: 650px;
  }
  .comparison th,
  .comparison td {
    padding: 16px 14px;
  }
  .faq-section {
    padding-block: 60px;
  }
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .faq-grid > div > p {
    max-width: 400px;
    margin-top: 18px;
  }
  .faq-list summary {
    font-size: 14px;
  }
  .faq-list details > div {
    font-size: 14px;
  }
}

.nav-links > a[aria-current='page'] {
  color: white;
}