:root {
  --navy: #01274f;
  --navy-deep: #011a36;
  --navy-light: #03356b;
  --blue: #1689ce;
  --blue-light: #2ba3ef;
  --blue-dim: #0e6aa3;
  --blue-glow: rgba(22,137,206,0.15);
  --orange: #d46e13;
  --orange-light: #f08422;
  --bg: #f8f7fc;
  --bg-alt: #f0edf6;
  --bg-warm: #f5f2eb;
  --bg-cool: #edf2f8;
  --bg-soft: #f2f0f7;
  --bg-dark: #01274f;
  --card-bg: #ffffff;
  --card-border: rgba(1,39,79,0.08);
  --card-shadow: 0 1px 3px rgba(1,39,79,0.06), 0 8px 24px rgba(1,39,79,0.04);
  --card-shadow-hover: 0 4px 12px rgba(1,39,79,0.08), 0 16px 40px rgba(1,39,79,0.08);
  --text: #303030;
  --text-dim: #606878;
  --text-light: #F4F6F1;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #d97706;
  --radius: 12px;
  --radius-lg: 16px;
  /* Preview banner height — set to 0 when removing banner from all pages */
  --banner-h: 36px;
}
.preview-banner {
  background: linear-gradient(135deg, #1e3a5f 0%, #0f2942 100%);
  color: #fff;
  text-align: center;
  padding: 0.6rem 1.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--banner-h);
  z-index: 1001;
  box-shadow: 0 2px 8px rgba(15,41,66,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Offset inline padding-tops on all pages for the banner */
.preview-banner ~ * [style*="padding-top"] {
  scroll-margin-top: var(--banner-h);
}
body {
  padding-top: var(--banner-h, 0);
}

.preview-banner .banner-icon {
  margin-right: 0.5rem;
  font-size: 1.1rem;
}
.preview-banner .banner-text {
  display: inline;
}
.preview-banner a {
  color: #93c5fd;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.preview-banner a:hover {
  color: #fff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-light); text-decoration: underline; }

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: var(--banner-h, 0); /* Below preview banner — set --banner-h to 0 when removing banner */
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(1,39,79,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.3s;
}
.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text-light);
  letter-spacing: 0.5px;
}
.nav-brand svg {
  width: 28px;
  height: 28px;
}
.nav-links {
  display: flex;
  gap: 0.25rem;
}
.nav-links a {
  color: rgba(244,246,241,0.7);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
  text-decoration: none;
}
.nav-links a:hover, .nav-links a.active {
  color: #fff;
  background: rgba(255,255,255,0.1);
  text-decoration: none;
}
.nav-github {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.2rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  color: var(--text-light) !important;
  font-weight: 600;
  font-size: 0.85rem;
  transition: all 0.2s;
}
.nav-github:hover {
  background: rgba(255,255,255,0.18);
  text-decoration: none !important;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-light);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 40%, var(--navy-light) 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 20%, rgba(22,137,206,0.12) 0%, transparent 70%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(22,137,206,0.15);
  border: 1px solid rgba(22,137,206,0.25);
  border-radius: 100px;
  color: var(--blue-light);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}
.hero-badge span { font-size: 1rem; }
.hero h1 {
  font-size: 3.5rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -1px;
}
.hero h1 .accent {
  background: linear-gradient(135deg, var(--blue-light), var(--orange-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.2rem;
  color: rgba(244,246,241,0.65);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  font-weight: 400;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.25s;
  text-decoration: none;
}
.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 4px 14px rgba(22,137,206,0.35);
}
.btn-primary:hover {
  background: var(--blue-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(22,137,206,0.4);
  color: #fff;
  text-decoration: none;
}
.btn-outline {
  background: transparent;
  color: var(--text-light);
  border: 2px solid rgba(255,255,255,0.2);
}
.btn-outline:hover {
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.05);
  color: #fff;
  text-decoration: none;
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.hero-stat {
  text-align: center;
}
.hero-stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
}
.hero-stat-label {
  font-size: 0.8rem;
  color: rgba(244,246,241,0.45);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.25rem;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: 5rem 2rem;
}
.section-alt {
  background: var(--bg-alt);
}
.section-warm {
  background: var(--bg-warm);
}
.section-cool {
  background: var(--bg-cool);
}
.section-soft {
  background: var(--bg-soft);
}
.section-dark {
  background: var(--navy);
  color: var(--text-light);
}
.container {
  max-width: 1100px;
  margin: 0 auto;
}
.container-sm {
  max-width: 850px;
  margin: 0 auto;
}
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--blue);
  margin-bottom: 0.75rem;
}
.section-dark .section-label { color: var(--blue-light); }
.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.2;
  letter-spacing: -0.5px;
}
.section-dark .section-title { color: #fff; }
.section-desc {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 600px;
  margin: 1rem auto 0;
}
.section-dark .section-desc { color: rgba(244,246,241,0.6); }

/* ============================================
   FEATURE CARDS
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.3s;
  box-shadow: var(--card-shadow);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
  border-color: rgba(22,137,206,0.2);
}
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, rgba(22,137,206,0.1), rgba(1,39,79,0.08));
}
.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.5rem;
}
.feature-card p {
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ============================================
   QUICK START
   ============================================ */
.install-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  margin-bottom: 2rem;
}
.install-card-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.install-card-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
}
.install-card-header .badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  background: rgba(22,137,206,0.1);
  color: var(--blue);
  letter-spacing: 0.5px;
}
.install-card-body {
  padding: 2rem;
}

/* ============================================
   CODE BLOCKS
   ============================================ */
.code-block {
  background: var(--navy-deep);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.88rem;
  color: var(--text-light);
  white-space: pre;
  overflow-x: auto;
  line-height: 1.75;
  margin: 1rem 0;
  position: relative;
}
.code-block .comment { color: rgba(244,246,241,0.35); }
.code-block .cmd { color: var(--blue-light); }
.code-block .flag { color: var(--orange-light); }
.copy-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(244,246,241,0.6);
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  opacity: 0;
  transition: all 0.2s;
}
.code-block:hover .copy-btn { opacity: 1; }
.copy-btn:hover {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

/* ============================================
   TERMINAL PREVIEW
   ============================================ */
.terminal {
  background: #0c1929;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  margin: 1.5rem 0;
}
.terminal-bar {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.04);
  gap: 0.5rem;
}
.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }
.terminal-title {
  flex: 1;
  text-align: center;
  color: rgba(244,246,241,0.35);
  font-size: 0.8rem;
  font-weight: 500;
}
.terminal-body {
  padding: 1.5rem;
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.82rem;
  color: #a4c3e0;
  line-height: 1.6;
  white-space: pre;
  overflow-x: auto;
}
.terminal-body .t-blue { color: var(--blue-light); }
.terminal-body .t-green { color: #28c840; }
.terminal-body .t-orange { color: var(--orange-light); }
.terminal-body .t-dim { color: rgba(164,195,224,0.4); }
.terminal-body .t-white { color: #fff; font-weight: 600; }

/* ============================================
   TABLES
   ============================================ */
.table-wrap {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  margin: 1.5rem 0;
}
.table-wrap table {
  width: 100%;
  border-collapse: collapse;
}
.table-wrap th {
  background: var(--bg-alt);
  color: var(--navy);
  padding: 0.85rem 1.25rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--card-border);
}
.table-wrap td {
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  font-size: 0.92rem;
}
.table-wrap tr:last-child td { border-bottom: none; }
.table-wrap code {
  background: rgba(1,39,79,0.06);
  padding: 2px 8px;
  border-radius: 5px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--navy);
}
.section-dark .table-wrap {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.08);
}
.section-dark .table-wrap th {
  background: rgba(255,255,255,0.06);
  color: var(--text-light);
  border-bottom-color: rgba(255,255,255,0.08);
}
.section-dark .table-wrap td {
  color: rgba(244,246,241,0.85);
  border-bottom-color: rgba(255,255,255,0.04);
}
.section-dark .table-wrap code {
  background: rgba(255,255,255,0.1);
  color: #8ec8f0;
}
.section-dark .code-block {
  background: rgba(0,0,0,0.35);
}
.section-dark .code-block .comment {
  color: rgba(244,246,241,0.5);
}
.section-dark .code-block .cmd {
  color: #7ec8f0;
}
.section-dark .callout {
  color: rgba(244,246,241,0.8);
}
.section-dark .callout-info {
  background: rgba(22,137,206,0.1);
  border-color: rgba(22,137,206,0.25);
}
.section-dark .callout-info strong {
  color: #8ec8f0;
}
.section-dark .callout-warn {
  background: rgba(217,119,6,0.1);
  border-color: rgba(217,119,6,0.25);
}
.section-dark .callout-warn strong {
  color: #f0b060;
}
.section-dark .callout-danger {
  background: rgba(220,38,38,0.1);
  border-color: rgba(220,38,38,0.25);
}
.section-dark .callout-danger strong {
  color: #f08080;
}

/* ============================================
   INFO BOXES
   ============================================ */
.callout {
  display: flex;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-radius: 10px;
  margin: 1.25rem 0;
  font-size: 0.92rem;
  line-height: 1.6;
}
.callout-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 1px;
}
.callout-info {
  background: rgba(22,137,206,0.06);
  border: 1px solid rgba(22,137,206,0.15);
}
.callout-warn {
  background: rgba(217,119,6,0.06);
  border: 1px solid rgba(217,119,6,0.15);
}
.callout-danger {
  background: rgba(220,38,38,0.06);
  border: 1px solid rgba(220,38,38,0.15);
}
.callout-info strong { color: var(--blue); }
.callout-warn strong { color: var(--warning); }
.callout-danger strong { color: var(--danger); }

/* ============================================
   OPTION CARDS
   ============================================ */
.option-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--card-shadow);
}
.option-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.5rem;
}
.option-card .desc {
  font-size: 0.92rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
}
.checklist {
  list-style: none;
  padding: 0;
}
.checklist li {
  padding: 0.4rem 0;
  padding-left: 1.75rem;
  position: relative;
  font-size: 0.92rem;
  color: var(--text-dim);
}
.checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

/* ============================================
   COMPARISON TABLE
   ============================================ */
.check { color: var(--success); font-weight: 700; }
.cross { color: var(--danger); font-weight: 700; }
.partial { color: var(--warning); font-weight: 700; }

/* ============================================
   SECTION SUBTITLE
   ============================================ */
.subtitle {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin: 2.5rem 0 1.25rem;
}
.section-dark .subtitle { color: #fff; }

/* ============================================
   STEP INDICATOR
   ============================================ */
.steps {
  counter-reset: step;
}
.step {
  counter-increment: step;
  position: relative;
  padding-left: 3.5rem;
  margin-bottom: 2.5rem;
}
.step::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.5rem;
}
.step p, .step ul {
  color: var(--text-dim);
  font-size: 0.92rem;
}

/* TAB SYSTEM — old duplicate removed, see TABS (Walkthrough) section below */
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ============================================
   ARCHITECTURE DIAGRAM
   ============================================ */
.arch-diagram {
  background: var(--navy-deep);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 2rem;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.78rem;
  color: #a4c3e0;
  overflow-x: auto;
  line-height: 1.45;
  white-space: pre;
  margin: 1.5rem 0;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--navy-deep);
  color: rgba(244,246,241,0.5);
  padding: 3.5rem 2rem;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer a {
  color: var(--blue-light);
}
.footer-brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 0.75rem;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 1.25rem 0;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 0.9rem;
  color: rgba(244,246,241,0.5);
  transition: color 0.2s;
}
.footer-links a:hover {
  color: var(--blue-light);
  text-decoration: none;
}
.footer-copy {
  font-size: 0.78rem;
  margin-top: 1.5rem;
  color: rgba(244,246,241,0.3);
}

/* ============================================
   TOAST
   ============================================ */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--navy);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.88rem;
  opacity: 0;
  transition: all 0.3s;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ============================================
   TABS (Walkthrough)
   ============================================ */
.tab-nav {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.25rem;
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 0.3rem;
  margin-bottom: 2.5rem;
}
.tab-btn {
  padding: 0.85rem 0.5rem;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: calc(var(--radius) - 2px);
  transition: all 0.2s;
  text-align: center;
  line-height: 1.3;
}
.tab-btn:hover {
  color: var(--navy);
  background: rgba(255,255,255,0.5);
}
.tab-btn.active {
  background: #fff;
  color: var(--navy);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.tab-btn .tab-icon {
  display: block;
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
}
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
  animation: tabFadeIn 0.3s ease;
}
@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .navbar { padding: 0 1rem; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--navy-deep);
    padding: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .hamburger { display: flex; }
  .hero { min-height: 70vh; padding: 5rem 1.5rem 3rem; }
  .hero h1 { font-size: 2.25rem; }
  .hero-desc { font-size: 1.05rem; }
  .hero-stats { gap: 1.5rem; flex-wrap: wrap; }
  .features-grid { grid-template-columns: 1fr; }
  .section { padding: 3.5rem 1.5rem; }
  .section-title { font-size: 1.8rem; }
  .tab-nav { grid-template-columns: repeat(3, 1fr); gap: 0.2rem; }
  .tab-btn { font-size: 0.75rem; padding: 0.65rem 0.4rem; }
  .tab-btn .tab-icon { font-size: 1.1rem; }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}