:root {
  --ink: #1C2321;
  --ink-2: #2A322F;
  --paper: #F6F4EE;
  --surface: #FFFFFF;
  --warm-2: #EFEBDD;
  --teal: #0F6B5C;
  --teal-dark: #0B4F44;
  --teal-tint: #E3EFEA;
  --amber: #E0A72E;
  --amber-tint: #FBF0D9;
  --line: #DDD6C7;
  --slate: #5B564C;
  --muted: #867F70;
  --r-sm: 6px;
  --r-md: 10px;
  --container: 1180px;
}

/* ===== HERO ===== */
.hero {
  padding: 76px 0 88px;
  position: relative;
  overflow: hidden
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 460px;
  gap: 56px;
  align-items: center
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--teal-dark);
  font-weight: 500;
  margin-bottom: 22px
}

.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber)
}

.hero h1 {
  font-size: clamp(32px, 4vw, 50px);
  font-weight: 700;
  line-height: 1.14;
  max-width: 640px;
  margin-bottom: 22px
}

.hero .sub {
  font-size: 17px;
  color: var(--slate);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 36px
}

.hero-search {
  max-width: 520px
}

.hero-search-label {
  font-size: 13.5px;
  color: var(--muted);
  margin-bottom: 10px
}

.hero-search-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: var(--r-md);
  padding: 6px 8px 6px 18px;
  transition: border-color .15s ease
}

.hero-search-box:focus-within {
  border-color: var(--teal)
}

.hero-search-box svg {
  width: 18px;
  height: 18px;
  stroke: var(--muted);
  fill: none;
  stroke-width: 2;
  flex: none
}

.hero-search-box input {
  flex: 1;
  border: none;
  background: none;
  font-size: 15px;
  padding: 10px 0;
  outline: none;
  color: var(--ink)
}

.hero-search-box input::placeholder {
  color: #A39C8B
}

.hero-search-box button {
  flex: none
}

.popular-searches {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-top: 16px
}

.popular-searches span.lbl {
  font-size: 13px;
  color: var(--muted)
}

.popular-chip {
  font-size: 13px;
  padding: 6px 13px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--slate);
  text-decoration: none
}

.popular-chip:hover {
  border-color: var(--teal);
  color: var(--teal-dark)
}

/* hero diagram */
.hero-diagram {
  position: relative
}

.hero-diagram svg {
  width: 100%;
  height: auto
}

/* ===== SECTION SHARED ===== */
.section {
  padding: 72px 0
}

.section-head {
  max-width: 600px;
  margin-bottom: 40px
}

.section-head h2 {
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 10px
}

.section-head p {
  font-size: 15.5px;
  color: var(--slate);
  line-height: 1.7
}

.section-alt {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line)
}

/* ===== CORE HUBS (list style, not card-kit) ===== */
.hub-list {
  display: flex;
  flex-direction: column
}

.hub-row {
  display: grid;
  grid-template-columns: 16px 1fr 220px 20px;
  align-items: center;
  gap: 24px;
  padding: 26px 4px;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: padding-left .15s ease
}

.hub-row:last-child {
  border-bottom: 1px solid var(--line)
}

.hub-row:hover {
  padding-left: 12px
}

.hub-signal {
  width: 4px;
  height: 44px;
  border-radius: 2px;
  flex: none
}

.hub-body h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 5px
}

.hub-body p {
  font-size: 14px;
  color: var(--slate);
  max-width: 480px
}

.hub-meta {
  font-size: 13px;
  color: var(--muted);
  text-align: right
}

.hub-arrow {
  width: 18px;
  height: 18px;
  stroke: var(--muted);
  fill: none;
  stroke-width: 2;
  transition: transform .15s ease
}

.hub-row:hover .hub-arrow {
  transform: translateX(4px);
  stroke: var(--teal)
}

/* ===== PROBLEM LIST ===== */
.problem-list {
  display: flex;
  flex-direction: column;
  gap: 2px
}

.problem-row {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  text-decoration: none;
  color: inherit
}

.problem-row:hover {
  border-color: var(--teal)
}

.problem-ic {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--teal-tint);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none
}

.problem-ic svg {
  width: 17px;
  height: 17px;
  stroke: var(--teal-dark);
  fill: none;
  stroke-width: 1.8
}

.problem-q {
  font-size: 15px;
  color: var(--ink);
  flex: 1
}

.problem-cta {
  font-size: 13.5px;
  color: var(--teal-dark);
  font-weight: 600;
  white-space: nowrap;
  flex: none
}

/* ===== WORKFLOWS (horizontal scroll) ===== */
.wf-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin: 0 -28px;
  padding-left: 28px;
  padding-right: 28px
}

.wf-card {
  flex: none;
  width: 270px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 22px
}

.wf-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--teal-dark);
  background: var(--teal-tint);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 14px
}

.wf-card h4 {
  font-size: 16.5px;
  font-weight: 600;
  margin-bottom: 12px
}

.wf-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
  font-size: 11.5px;
  color: var(--slate)
}

.wf-flow .step {
  padding: 6px 0;
  border-left: 2px solid var(--line);
  padding-left: 12px;
  position: relative
}

.wf-flow .step::before {
  content: '';
  position: absolute;
  left: -4px;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted)
}

.wf-flow .step:last-child {
  border-left: 2px solid transparent
}

.wf-flow .step:last-child::before {
  background: var(--teal)
}

/* ===== TEMPLATES ===== */
.tpl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px
}

.tpl-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 20px;
  display: flex;
  flex-direction: column
}

.tpl-cat {
  display: inline-block;
  font-size: 11.5px;
  color: var(--amber);
  background: var(--amber-tint);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
  align-self: flex-start
}

.tpl-card h4 {
  font-size: 15.5px;
  font-weight: 600;
  margin-bottom: 12px
}

.tpl-bubble {
  background: var(--teal-tint);
  border-radius: 12px 12px 12px 4px;
  padding: 12px 14px;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.55;
  margin-bottom: 16px;
  flex: 1
}

.tpl-use {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--teal-dark);
  text-decoration: none;
  align-self: flex-start;
  padding-top: 2px;
  border-top: 1px solid var(--line);
  width: 100%;
  padding-top: 14px
}

.tpl-use:hover {
  color: var(--teal)
}

/* ===== SOFT CTA ===== */
.soft-cta {
  background: var(--ink);
  border-radius: 16px;
  padding: 52px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap
}

.soft-cta p {
  font-size: clamp(19px, 2.2vw, 25px);
  font-weight: 600;
  color: #fff;
  max-width: 520px;
  line-height: 1.4
}

.soft-cta .btn-primary {
  box-shadow: none;
}

.soft-cta .actions {
  display: flex;
  gap: 12px;
  flex: none
}

.soft-cta .btn-ghost {
  border-color: rgba(255, 255, 255, .28);
  color: #fff
}

.soft-cta .btn-ghost:hover {
  border-color: #fff
}

@media(max-width:960px) {

  .main-nav,
  .header-search-btn {
    display: none
  }

  .mobile-menu-btn {
    display: block
  }

  .hero-grid {
    grid-template-columns: 1fr
  }

  .hero-diagram {
    order: -1;
    max-width: 420px;
    margin: 0 auto
  }

  .hub-row {
    grid-template-columns: 1fr
  }

  .hub-body {
    margin-bottom: 6px
  }

  .hub-meta {
    text-align: left
  }

  .hub-signal,
  .hub-arrow {
    display: none
  }

  .footer-top {
    grid-template-columns: 1fr 1fr
  }
}

@media(max-width:640px) {
  .soft-cta {
    padding: 36px 28px
  }

  .soft-cta .actions {
    flex-wrap: wrap;
    width: 100%
  }

  .soft-cta .btn {
    flex: 1;
    justify-content: center;
    min-width: 140px
  }
}

/* ===== BREADCRUMB ===== */
.breadcrumb-bar {
  border-bottom: 1px solid var(--line);
  background: #f6f4ee;
}

.breadcrumb span:not(:last-child) {
  padding: 0 5px;
}

.breadcrumb {
  display: block;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  font-size: 13px;
  margin-bottom: 0;
  color: var(--muted)
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none
}

.breadcrumb a:hover {
  color: var(--teal-dark)
}

.breadcrumb .current {
  color: var(--ink);
  font-weight: 500
}

/* ===== FEATURE PAGE HERO ===== */
.platform-tabs svg.tab-ico {
  width: 25px;
}

.fp-hero {
  padding: 64px 0 56px
}

.fp-h1 {
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 700;
  line-height: 1.18;
  max-width: 680px;
  margin-bottom: 18px
}

.fp-sub {
  font-size: 16.5px;
  color: var(--slate);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 32px
}

.fp-hero-actions {
  display: flex;
  gap: 12px
}

.fp-kicker {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--teal-dark);
  text-transform: none
}

/* ===== PROBLEM SPLIT ===== */
.fp-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center
}

.fp-split-text h2 {
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 700;
  margin: 8px 0 14px
}

.fp-split-text p {
  font-size: 15.5px;
  color: var(--slate);
  line-height: 1.75
}

.fp-problem-visual {
  position: relative;
  height: 280px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md)
}

.fp-scatter-node {
  position: absolute;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(28, 35, 33, .12)
}

.fp-scatter-alert {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--amber-tint);
  color: #8A5A0E;
  font-size: 12.5px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  white-space: nowrap
}

/* ===== SOLUTION FLOW ===== */
.fp-flow-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap
}

.fp-flow-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 20px 22px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--slate);
  min-width: 110px
}

.fp-flow-node-main {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff
}

.fp-flow-ic {
  font-size: 22px
}

.fp-flow-arrow {
  width: 20px;
  height: 20px;
  stroke: var(--muted);
  fill: none;
  stroke-width: 2;
  flex: none
}

/* ===== CAPABILITIES ===== */
.fp-cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden
}

.fp-cap-item {
  background: var(--surface);
  padding: 26px
}

.fp-cap-item h4 {
  font-size: 15.5px;
  font-weight: 600;
  margin-bottom: 8px
}

.fp-cap-item p {
  font-size: 13.5px;
  color: var(--slate);
  line-height: 1.65
}

/* ===== SCREENSHOT ===== */
.fp-screenshot-frame {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(28, 35, 33, .1);
  max-width: 980px;
  margin: 0 auto
}

.fp-screenshot-frame img {
  width: 100%;
  display: block
}

/* ===== USE CASES ===== */
.fp-usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px
}

.fp-usecase-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 24px
}

.fp-usecase-card .fp-kicker {
  display: inline-block;
  background: var(--teal-tint);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px
}

.fp-usecase-card p {
  font-size: 14px;
  color: var(--slate);
  line-height: 1.7
}

/* ===== RELATED KNOWLEDGE ===== */
.fp-related-list {
  display: flex;
  flex-direction: column
}

.fp-related-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 4px;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  font-size: 15px;
  transition: padding-left .15s ease
}

.fp-related-row:last-child {
  border-bottom: 1px solid var(--line)
}

.fp-related-row:hover {
  padding-left: 10px;
  color: var(--teal-dark)
}

.fp-related-row svg {
  width: 18px;
  height: 18px;
  stroke: var(--muted);
  fill: none;
  stroke-width: 2
}

@media(max-width:860px) {
  .fp-split {
    grid-template-columns: 1fr
  }

  .fp-cap-grid {
    grid-template-columns: 1fr
  }

  .fp-usecase-grid {
    grid-template-columns: 1fr
  }

  .fp-flow-row {
    flex-direction: column
  }

  .fp-flow-arrow {
    transform: rotate(90deg)
  }
}

/* ===== TOPIC HUB ===== */
.hub-hero-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: var(--muted);
  margin-top: 8px
}

.hub-hero-meta b {
  color: var(--ink);
  font-weight: 700
}

.hub-hero-meta-sep {
  color: var(--line)
}

.start-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px
}

.start-card {
  display: block;
  background: var(--surface);
  border: 1.5px solid var(--teal);
  border-radius: var(--r-md);
  padding: 22px;
  text-decoration: none;
  color: var(--ink)
}

.start-card:hover {
  box-shadow: 0 8px 24px rgba(15, 107, 92, .12)
}

.start-card h4 {
  font-size: 16px;
  font-weight: 600;
  margin: 10px 0 8px
}

.start-card p {
  font-size: 13.5px;
  color: var(--slate);
  line-height: 1.6
}

.cluster-block {
  margin-bottom: 44px
}

.cluster-block:last-child {
  margin-bottom: 0
}

.cluster-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px
}

.cluster-more {
  display: inline-block;
  margin-top: 12px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--teal-dark);
  text-decoration: none
}

.cluster-more:hover {
  color: var(--teal)
}

.bridge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px
}

.bridge-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 22px;
  text-decoration: none;
  color: var(--ink);
  border-left: 3px solid var(--amber)
}

.bridge-card:hover {
  border-left-color: var(--teal)
}

.bridge-card h4 {
  font-size: 15.5px;
  font-weight: 600;
  margin-bottom: 8px
}

.bridge-card p {
  font-size: 13.5px;
  color: var(--slate);
  line-height: 1.6
}

@media(max-width:860px) {

  .start-grid,
  .bridge-grid {
    grid-template-columns: 1fr
  }
}

/* ===== ARTICLE HEADER ===== */
.article-header {
  padding: 48px 0 32px
}

.article-h1 {
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1.22;
  margin: 12px 0 16px
}

.article-excerpt {
  font-size: 16.5px;
  color: var(--slate);
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: 20px
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
  padding-top: 20px;
  border-top: 1px solid var(--line)
}

.article-meta b {
  color: var(--slate);
  font-weight: 600
}

.article-meta .sep {
  color: var(--line)
}

/* ===== ARTICLE LAYOUT ===== */
.article-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
  align-items: start;
  max-width: 1000px
}

.article-toc {
  position: sticky;
  top: 88px
}

.article-toc-inner {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 2px solid var(--line);
  padding-left: 16px
}

.article-toc-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 10px
}

.article-toc-inner a {
  font-size: 13.5px;
  color: var(--slate);
  text-decoration: none;
  padding: 6px 0;
  line-height: 1.4
}

.article-toc-inner a:hover,
.article-toc-inner a.active {
  color: var(--teal-dark);
  font-weight: 600
}

/* ===== ARTICLE BODY TYPOGRAPHY ===== */

.article-body h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 40px 0 16px
}

.article-body h2:first-child {
  margin-top: 0
}

.article-body p {
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.8;
  margin-bottom: 16px
}

.article-body em {
  color: var(--teal-dark);
  font-style: italic;
  font-weight: 600
}

.article-list {
  margin: 0 0 20px;
  padding-left: 22px
}

.article-list li {
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.8;
  margin-bottom: 10px
}

.article-list b {
  color: var(--ink)
}

.article-callout {
  background: var(--teal-tint);
  border-left: 3px solid var(--teal);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 16px 20px;
  margin: 28px 0;
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.7
}

.article-callout strong {
  color: var(--teal-dark)
}

.article-callout a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  color: var(--teal-dark);
  font-weight: 600;
  text-decoration: none
}

.article-callout a svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2
}

.article-callout a:hover {
  color: var(--teal)
}

.article-author-box {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line)
}

.article-author-box p {
  font-size: 14px;
  color: var(--ink);
  font-weight: 500;
  margin: 0
}

@media(max-width:860px) {
  .article-layout {
    grid-template-columns: 1fr
  }

  .article-toc {
    position: static;
    border-bottom: 1px solid var(--line);
    padding-bottom: 20px;
    margin-bottom: 8px
  }

  .article-toc-inner {
    flex-direction: row;
    flex-wrap: wrap;
    border-left: none;
    padding-left: 0;
    gap: 8px 16px
  }

  .article-toc-label {
    width: 100%
  }

  .article-author-box {
    grid-template-columns: 1fr
  }
}

/* ===== GUIDE STEPS ===== */
.prereq-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 8px
}

.prereq-list li {
  font-size: 15.5px;
  color: var(--ink-2);
  line-height: 1.7;
  padding-left: 26px;
  position: relative
}

.prereq-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 14px;
  height: 14px;
  border: 2px solid var(--teal);
  border-radius: 4px
}

.guide-step {
  display: flex;
  gap: 18px;
  margin: 32px 0
}

.h3-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  flex: none
}

h3.wp-block-heading {
  display: flex;
  gap: 18px;
  margin: 32px 0;
  font-size: 20px;
  font-weight: 600;
  align-items: center;
}

.guide-step-body {
  flex: 1;
  padding-top: 4px
}

.guide-step-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px
}

.guide-step-body p {
  font-size: 15.5px;
  color: var(--ink-2);
  line-height: 1.75
}

.guide-tip,
.guide-warn {
  border-radius: 0 8px 8px 0;
  padding: 13px 18px;
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.65
}

.guide-tip {
  background: var(--teal-tint);
  border-left: 3px solid var(--teal)
}

.guide-tip strong {
  color: var(--teal-dark)
}

.guide-warn {
  background: var(--amber-tint);
  border-left: 3px solid var(--amber)
}

.guide-warn strong {
  color: #8A5A0E
}

.guide-done {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--teal);
  color: #fff;
  border-radius: var(--r-md);
  padding: 18px 22px;
  margin: 36px 0
}

.guide-done svg {
  width: 24px;
  height: 24px;
  stroke: #fff;
  fill: none;
  stroke-width: 2.5;
  flex: none
}

.guide-done span {
  font-size: 15px;
  font-weight: 600
}

/* ===== PLATFORM TABS (Web / Mobile App) ===== */
.platform-tabs {
  display: inline-flex;
  gap: 4px;
  background: var(--warm-2);
  padding: 4px;
  border-radius: 10px;
  margin-top: 20px
}

.platform-tab {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--slate);
  background: none;
  border: none;
  padding: 9px 16px;
  border-radius: 7px;
  cursor: pointer;
  transition: background .15s ease, color .15s ease
}

.platform-tab:hover {
  color: var(--ink)
}

.platform-tab.active {
  background: var(--surface);
  color: var(--teal-dark);
  box-shadow: 0 1px 3px rgba(28, 35, 33, .12)
}