:root {
  --primary: #5b5cf0;
  --primary-dark: #3d3ec6;
  --secondary: #0f9d7a;
  --accent: #ff7a59;
  --gold: #f5a20b;
  --ink: #111a3a;
  --ink-soft: #263252;
  --muted: #66708c;
  --surface: #ffffff;
  --surface-soft: #f7f8ff;
  --surface-blue: #eef2ff;
  --surface-green: #ecfbf6;
  --line: #dfe4f3;
  --success: #0f8a69;
  --danger: #d9485f;
  --shadow: 0 24px 70px rgba(29, 40, 91, .13);
  --shadow-soft: 0 13px 38px rgba(29, 40, 91, .09);
  --radius-xl: 36px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1140px;
  --header-h: 82px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "Poppins", "Segoe UI", Arial, sans-serif;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
  image-rendering: auto;
  backface-visibility: hidden;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid rgba(91, 92, 240, .34); outline-offset: 3px; }

.container { width: min(calc(100% - 36px), var(--container)); margin-inline: auto; }
.section { position: relative; padding: 96px 0; }
.section-soft { background: linear-gradient(180deg, #fafbff 0%, #f5f7ff 100%); }
.section-blue { background: linear-gradient(135deg, #f0f3ff 0%, #f8fbff 55%, #eefaf6 100%); }
.section-heading { max-width: 790px; margin: 0 auto 46px; text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 13px;
  padding: 7px 12px;
  border: 1px solid rgba(91, 92, 240, .17);
  border-radius: 999px;
  background: rgba(255, 255, 255, .78);
  color: var(--primary-dark);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 3px; background: linear-gradient(135deg, var(--primary), var(--secondary)); transform: rotate(45deg); }
h1, h2, h3, h4 { margin: 0; line-height: 1.18; letter-spacing: -.03em; }
h1 { font-size: clamp(2.7rem, 5.6vw, 5.25rem); }
h2 { font-size: clamp(2rem, 3.6vw, 3.25rem); }
h3 { font-size: clamp(1.16rem, 2vw, 1.48rem); }
p { margin: 0; color: var(--muted); }
.lead { font-size: 1.08rem; }

.skip-link { position: fixed; left: 14px; top: -90px; z-index: 9999; padding: 11px 15px; border-radius: 10px; background: var(--ink); color: #fff; }
.skip-link:focus { top: 14px; }

/* Header: floating protocol bar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 10px 0;
  background: rgba(248, 250, 255, .88);
  backdrop-filter: blur(16px);
  transition: padding .22s ease, box-shadow .22s ease, background .22s ease;
}
.site-header.is-scrolled { padding: 6px 0; background: rgba(255,255,255,.96); box-shadow: 0 12px 34px rgba(29, 40, 91, .09); }
.header-inner {
  min-height: 62px;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 7px 10px 7px 14px;
  border: 1px solid rgba(214, 221, 242, .92);
  border-radius: 20px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 9px 30px rgba(29, 40, 91, .06);
}
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; font-weight: 850; letter-spacing: -.035em; }
.brand img { width: 45px; height: 45px; object-fit: contain; }
.brand span { font-size: 1.03rem; color: var(--ink); }
.nav { margin-left: auto; display: flex; align-items: center; gap: 2px; }
.nav a { padding: 10px 10px; border-radius: 10px; color: #53607b; font-size: .86rem; font-weight: 650; }
.nav a:hover, .nav a.is-active { color: var(--primary-dark); background: var(--surface-blue); }
.nav .header-cta { margin-left: 8px; padding: 11px 17px; color: #fff; background: linear-gradient(135deg, var(--primary), #7659ed); box-shadow: 0 10px 24px rgba(91,92,240,.23); }
.nav .header-cta:hover { color: #fff; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 13px; background: #fff; align-items: center; justify-content: center; }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after { display: block; width: 20px; height: 2px; background: var(--ink); border-radius: 999px; position: relative; transition: .2s; }
.menu-toggle span::before, .menu-toggle span::after { content: ""; position: absolute; left: 0; }
.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }
.menu-toggle[aria-expanded="true"] span { background: transparent; }
.menu-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

/* Hero: diagonal protocol atlas */
.hero {
  padding: 72px 0 98px;
  overflow: hidden;
  background:
    linear-gradient(rgba(91,92,240,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,92,240,.045) 1px, transparent 1px),
    linear-gradient(155deg, #f9faff 0%, #f2f5ff 52%, #f5fcf9 100%);
  background-size: 52px 52px, 52px 52px, auto;
}
.hero::before { content: ""; position: absolute; width: 520px; height: 520px; right: -180px; top: -220px; border-radius: 45% 55% 68% 32%; background: linear-gradient(135deg, rgba(91,92,240,.18), rgba(124,92,255,.03)); transform: rotate(18deg); }
.hero::after { content: ""; position: absolute; width: 340px; height: 340px; left: -180px; bottom: -170px; border-radius: 50%; background: rgba(15,157,122,.12); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; gap: 58px; }
.hero-copy { position: relative; }
.hero-copy::before { content: ""; position: absolute; left: -24px; top: 72px; width: 5px; height: 132px; border-radius: 999px; background: linear-gradient(var(--primary), var(--secondary)); }
.hero-copy .eyebrow { margin-bottom: 20px; }
.hero h1 { max-width: 720px; font-size: clamp(2.25rem, 4.2vw, 4rem); }
.hero h1 span { color: var(--primary); position: relative; white-space: nowrap; }
.hero h1 span::after { content: ""; position: absolute; left: 0; right: 0; bottom: .06em; height: .14em; border-radius: 999px; background: rgba(15,157,122,.20); z-index: -1; }
.hero-copy > p { max-width: 660px; margin-top: 23px; font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 31px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 52px; padding: 12px 23px; border: 1px solid transparent; border-radius: 14px; font-weight: 780; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease; }
.btn:hover { transform: translateY(-3px); }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--primary), #7559ec); box-shadow: 0 14px 30px rgba(91,92,240,.24); }
.btn-primary:hover { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); }
.btn-secondary { color: var(--ink); background: #fff; border-color: var(--line); box-shadow: var(--shadow-soft); }
.btn-secondary:hover { border-color: #bec7e4; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.trust-chip { display: inline-flex; align-items: center; gap: 7px; padding: 8px 11px; border: 1px solid rgba(210,217,239,.95); border-radius: 999px; background: rgba(255,255,255,.82); color: #53607b; font-size: .8rem; font-weight: 650; }
.trust-chip::before { content: "✓"; width: 18px; height: 18px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--secondary); font-size: .68rem; font-weight: 900; }
.dashboard-shell { position: relative; padding: 16px; border-radius: 34px; background: rgba(255,255,255,.94); border: 1px solid #d8def1; box-shadow: 0 34px 90px rgba(43,52,107,.20); transform: rotate(1.4deg); }
.dashboard-shell::before { content: ""; position: absolute; inset: -13px 18px 18px -13px; border: 1px dashed rgba(91,92,240,.38); border-radius: 38px; z-index: -1; transform: rotate(-2.2deg); }
.dashboard-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 4px 4px 15px; }
.window-dots { display: flex; gap: 6px; }
.window-dots span { width: 9px; height: 9px; border-radius: 50%; background: #d5dbeb; }
.window-dots span:nth-child(1){ background:#ff8c79; } .window-dots span:nth-child(2){ background:#f5b943; } .window-dots span:nth-child(3){ background:#58c9a7; }
.dashboard-status { font-size: .74rem; font-weight: 800; color: var(--success); background: #eafaf5; padding: 7px 11px; border-radius: 999px; }
.dashboard-image { border-radius: 24px; overflow: hidden; border: 1px solid #dfe4f3; background: #f7f8ff; }
.dashboard-image img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.floating-widget { position: absolute; z-index: 2; padding: 12px 15px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.98); box-shadow: var(--shadow-soft); font-size: .78rem; font-weight: 800; color: #35405f; transform: rotate(-1.4deg); }
.widget-one { left: -30px; top: 112px; }
.widget-two { right: -28px; bottom: 84px; }
.widget-dot { width: 8px; height: 8px; display: inline-block; border-radius: 3px; background: linear-gradient(135deg,var(--primary),var(--secondary)); margin-right: 7px; transform: rotate(45deg); }

/* About: offset visual + editorial content */
.about-dashboard { display: grid; grid-template-columns: .96fr 1.04fr; gap: 46px; align-items: center; }
.info-panel { position: relative; padding: 13px; border: 1px solid var(--line); border-radius: 40px 14px 40px 14px; background: #fff; box-shadow: var(--shadow); }
.info-panel::after { content: "MULTI-VERSION"; position: absolute; left: -22px; bottom: 42px; padding: 10px 15px; border-radius: 11px; color: #fff; background: var(--ink); font-size: .72rem; font-weight: 850; letter-spacing: .08em; transform: rotate(-90deg) translateY(-100%); transform-origin: left bottom; }
.info-panel img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 30px 8px 30px 8px; }
.about-content { position: relative; padding: 42px 42px 40px 48px; border: 1px solid var(--line); border-radius: var(--radius-xl); background: #fff; box-shadow: var(--shadow-soft); }
.about-content::before { content: ""; position: absolute; left: 0; top: 42px; bottom: 42px; width: 6px; border-radius: 999px; background: linear-gradient(var(--primary), var(--secondary), var(--accent)); }
.about-content p { margin-top: 17px; }
.mini-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 11px; margin-top: 29px; }
.mini-stat { padding: 16px 14px; border-radius: 15px; background: linear-gradient(145deg,#f7f8ff,#fff); border: 1px solid var(--line); }
.mini-stat strong { display: block; color: var(--ink); font-size: .92rem; }
.mini-stat span { display: block; margin-top: 3px; color: var(--muted); font-size: .75rem; }

/* Features: asymmetric bento */
.feature-dashboard { display: grid; grid-template-columns: repeat(12,1fr); gap: 18px; }
.feature-card { position: relative; min-height: 250px; padding: 29px; border: 1px solid var(--line); border-radius: 28px 13px 28px 13px; background: #fff; box-shadow: var(--shadow-soft); overflow: hidden; }
.feature-card:nth-child(1), .feature-card:nth-child(4) { grid-column: span 5; }
.feature-card:nth-child(2), .feature-card:nth-child(3) { grid-column: span 7; }
.feature-card:nth-child(1) { background: linear-gradient(145deg,#eef1ff,#fff); }
.feature-card:nth-child(2) { background: var(--ink); color: #fff; }
.feature-card:nth-child(2) p { color: #c8d0e0; }
.feature-card:nth-child(3) { background: linear-gradient(145deg,#eafaf5,#fff); }
.feature-card:nth-child(4) { background: linear-gradient(145deg,#fff3ef,#fff); }
.feature-card::after { content: ""; position: absolute; width: 150px; height: 150px; right: -76px; bottom: -76px; border-radius: 50%; border: 24px solid rgba(91,92,240,.08); }
.feature-icon, .step-icon, .guide-icon { width: 50px; height: 50px; display: grid; place-items: center; margin-bottom: 19px; border-radius: 16px 7px 16px 7px; background: linear-gradient(135deg,var(--primary),#785ae9); color: #fff; font-weight: 850; box-shadow: 0 10px 24px rgba(91,92,240,.20); }
.feature-card:nth-child(2) .feature-icon { background: linear-gradient(135deg,var(--secondary),#28b58f); }
.feature-card:nth-child(3) .feature-icon { background: linear-gradient(135deg,var(--secondary),#48c7a4); }
.feature-card:nth-child(4) .feature-icon { background: linear-gradient(135deg,var(--accent),#ff9a72); }
.feature-card h3 { margin-bottom: 10px; }

/* How it works: anchored path */
.workflow { display: grid; grid-template-columns: .78fr 1.22fr; gap: 42px; align-items: stretch; }
.workflow-copy { position: relative; display: flex; flex-direction: column; justify-content: center; padding: 42px; border-radius: 36px 16px 36px 16px; color: #fff; background: linear-gradient(155deg,#111a3a,#202b58); box-shadow: var(--shadow); overflow: hidden; }
.workflow-copy::after { content: ""; position: absolute; right: -90px; bottom: -90px; width: 260px; height: 260px; border: 42px solid rgba(91,92,240,.25); border-radius: 50%; }
.workflow-copy .eyebrow { align-self: flex-start; color: #dcdfff; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.12); }
.workflow-copy p { margin-top: 18px; color: #c8d0e0; }
.workflow-copy .btn { align-self: flex-start; margin-top: 26px; position: relative; z-index: 1; }
.workflow-steps { position: relative; display: grid; gap: 14px; padding-left: 27px; }
.workflow-steps::before { content: ""; position: absolute; left: 0; top: 30px; bottom: 30px; width: 3px; border-radius: 999px; background: linear-gradient(var(--primary), var(--secondary)); }
.workflow-step { position: relative; display: grid; grid-template-columns: 56px 1fr auto; align-items: center; gap: 16px; padding: 20px; border: 1px solid var(--line); border-radius: 18px 8px 18px 8px; background: #fff; box-shadow: var(--shadow-soft); }
.workflow-step::before { content: ""; position: absolute; left: -34px; width: 13px; height: 13px; border: 4px solid #fff; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 2px var(--primary); }
.workflow-step:nth-child(even)::before { background: var(--secondary); box-shadow: 0 0 0 2px var(--secondary); }
.workflow-step strong { color: var(--ink); font-size: .94rem; }
.workflow-step p { margin-top: 3px; font-size: .85rem; }
.step-number { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 14px 6px 14px 6px; color: #fff; background: var(--primary); font-weight: 850; }
.workflow-step:nth-child(even) .step-number { background: var(--secondary); }
.step-arrow { color: #9aa5bf; font-size: 1.15rem; }

/* Remaining homepage systems */
.card-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; box-shadow: var(--shadow-soft); }
.card h3 { margin-bottom: 10px; }
.compatibility-board { display: grid; grid-template-columns: 1.25fr .75fr; gap: 20px; }
.compat-main { padding: 30px; border-radius: 30px 14px 30px 14px; background: var(--ink); color: #fff; box-shadow: var(--shadow); }
.compat-list { display: grid; gap: 10px; margin-top: 21px; }
.compat-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 15px 16px; border: 1px solid rgba(255,255,255,.10); border-radius: 13px; background: rgba(255,255,255,.06); color: #dbe1ee; }
.status-pill { flex-shrink: 0; padding: 6px 9px; border-radius: 999px; color: #bdf3df; background: rgba(15,157,122,.17); font-size: .72rem; font-weight: 850; }
.compat-side { display: grid; gap: 20px; }
.compat-widget { padding: 27px; border-radius: 16px 30px 16px 30px; background: linear-gradient(145deg,var(--primary),#7355df); color: #fff; box-shadow: var(--shadow-soft); }
.compat-widget p { margin-top: 10px; color: #e8e7ff; }
.compat-widget.light { color: var(--ink); background: linear-gradient(145deg,#eafaf5,#fff); border: 1px solid #caecdf; }
.compat-widget.light p { color: var(--muted); }
.use-case-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.use-card { display: grid; grid-template-columns: 54px 1fr; gap: 17px; padding: 25px; border: 1px solid var(--line); border-radius: 22px 10px 22px 10px; background: #fff; box-shadow: var(--shadow-soft); }
.use-card .feature-icon { width: 46px; height: 46px; margin: 0; }
.use-card h3 { margin-bottom: 7px; }
.setup-layout { display: grid; grid-template-columns: 1.04fr .96fr; gap: 48px; align-items: center; }
.setup-image { position: relative; padding: 12px; border: 1px solid var(--line); border-radius: 16px 40px 16px 40px; background: #fff; box-shadow: var(--shadow); }
.setup-image::before { content: "SETUP PATH"; position: absolute; right: 22px; top: -17px; z-index: 2; padding: 9px 13px; border-radius: 10px; color: #fff; background: var(--accent); font-size: .72rem; font-weight: 850; letter-spacing: .08em; }
.setup-image img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 10px 31px 10px 31px; }
.setup-list { display: grid; gap: 13px; }
.setup-item { display: grid; grid-template-columns: 43px 1fr; gap: 15px; padding: 17px; border-left: 3px solid var(--primary); border-radius: 0 14px 14px 0; background: var(--surface-soft); }
.setup-item:nth-child(even) { border-left-color: var(--secondary); }
.setup-item b { width: 35px; height: 35px; display: grid; place-items: center; border-radius: 11px; color: #fff; background: var(--primary); }
.setup-item:nth-child(even) b { background: var(--secondary); }
.setup-item h3 { font-size: 1rem; margin-bottom: 5px; }
.setup-item p { font-size: .85rem; }
.download-panel { position: relative; display: grid; grid-template-columns: 1.04fr .96fr; gap: 34px; align-items: center; padding: 48px; border-radius: 42px 18px 42px 18px; color: #fff; background: linear-gradient(135deg,#4e4fd8 0%,#6f55dd 47%,#0f9d7a 140%); box-shadow: 0 30px 80px rgba(66,57,171,.25); overflow: hidden; }
.download-panel::before { content: ""; position: absolute; width: 330px; height: 330px; left: -135px; top: -150px; border: 52px solid rgba(255,255,255,.08); border-radius: 50%; }
.download-panel .eyebrow { color: #fff; background: rgba(255,255,255,.10); border-color: rgba(255,255,255,.14); }
.download-panel p { margin-top: 16px; color: #e5e8ff; }
.download-panel .btn-primary { margin-top: 24px; color: var(--ink); background: #fff; box-shadow: 0 16px 32px rgba(17,26,58,.18); }
.download-panel .btn-primary:hover { background: #f3f5ff; }
.download-meta { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
.download-meta span { padding: 7px 10px; border: 1px solid rgba(255,255,255,.17); border-radius: 999px; background: rgba(255,255,255,.09); color: #fff; font-size: .76rem; font-weight: 700; }
.download-visual { position: relative; justify-self: end; width: min(100%,480px); padding: 10px; border-radius: 24px 9px 24px 9px; background: rgba(255,255,255,.15); }
.download-visual img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 18px 7px 18px 7px; }
.notice-board { display: grid; grid-template-columns: 74px 1fr; gap: 25px; align-items: center; padding: 34px; border: 1px solid #f0d99a; border-radius: 16px 32px 16px 32px; background: linear-gradient(145deg,#fff9e9,#fff); box-shadow: var(--shadow-soft); }
.notice-icon { width: 62px; height: 62px; display: grid; place-items: center; border-radius: 20px 8px 20px 8px; color: #fff; background: linear-gradient(135deg,var(--gold),var(--accent)); font-size: 1.65rem; font-weight: 900; }
.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pc-card { padding: 31px; border: 1px solid #caecdf; border-radius: 30px 12px 30px 12px; background: linear-gradient(145deg,#eafaf5,#fff); }
.pc-card.cons { border-color: #f0d5d9; background: linear-gradient(145deg,#fff0f2,#fff); }
.pc-list { display: grid; gap: 12px; margin: 20px 0 0; padding: 0; list-style: none; }
.pc-list li { position: relative; padding-left: 29px; color: var(--muted); }
.pc-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 7px; color: #fff; background: var(--secondary); font-size: .68rem; font-weight: 900; }
.cons .pc-list li::before { content: "!"; background: var(--danger); }
.release-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.release-card { padding: 32px; border: 1px solid var(--line); border-radius: 15px 31px 15px 31px; background: #fff; box-shadow: var(--shadow-soft); }
.release-version { display: inline-flex; margin-bottom: 14px; padding: 6px 10px; border-radius: 999px; color: var(--primary-dark); background: var(--surface-blue); font-size: .73rem; font-weight: 850; }
.release-card p { margin-top: 13px; }
.release-notes { margin: 17px 0 0; padding-left: 21px; color: var(--muted); }
.release-notes li + li { margin-top: 8px; }
.troubleshoot-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.issue-card { position: relative; padding: 27px; border: 1px solid var(--line); border-radius: 26px 11px 26px 11px; background: #fff; box-shadow: var(--shadow-soft); overflow: hidden; }
.issue-card::after { content: ""; position: absolute; right: -30px; bottom: -30px; width: 80px; height: 80px; border: 18px solid rgba(217,72,95,.08); border-radius: 50%; }
.issue-card h3 { margin: 14px 0 8px; }
.issue-label { display: inline-flex; padding: 6px 9px; border-radius: 999px; color: var(--danger); background: #fff0f2; font-size: .73rem; font-weight: 850; }
.guides-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.guide-card { position: relative; border: 1px solid var(--line); border-radius: 28px 12px 28px 12px; background: #fff; overflow: hidden; box-shadow: var(--shadow-soft); transition: transform .2s ease, box-shadow .2s ease; }
.guide-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.guide-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.guide-card-body { padding: 23px; }
.guide-card-body p { margin: 10px 0 16px; font-size: .9rem; }
.text-link { color: var(--primary-dark); font-weight: 780; font-size: .9rem; }

/* FAQ: vertical protocol navigator */
.faq-shell { display: grid; grid-template-columns: 250px 1fr; min-height: 500px; border: 1px solid var(--line); border-radius: 36px 14px 36px 14px; background: #fff; box-shadow: var(--shadow); overflow: hidden; }
.faq-toolbar { display: flex; flex-direction: column; justify-content: flex-start; gap: 10px; padding: 25px; background: linear-gradient(160deg,#111a3a,#26305d); border-right: 1px solid rgba(255,255,255,.08); }
.faq-toolbar::before { content: "FAQ CATEGORIES"; margin-bottom: 7px; color: #aeb8d2; font-size: .72rem; font-weight: 850; letter-spacing: .10em; }
.faq-tab { width: 100%; border: 1px solid rgba(255,255,255,.10); padding: 13px 14px; border-radius: 13px 6px 13px 6px; color: #d7deed; background: rgba(255,255,255,.06); text-align: left; font-weight: 750; }
.faq-tab[aria-selected="true"] { color: var(--ink); background: #fff; border-color: #fff; box-shadow: 0 12px 25px rgba(0,0,0,.16); }
.faq-panel { display: none; padding: 25px; }
.faq-panel.is-active { display: block; }
.faq-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; align-items: start; }
.faq-item { border: 1px solid var(--line); border-radius: 17px 7px 17px 7px; background: #fff; overflow: hidden; }
.faq-item:has(.faq-question[aria-expanded="true"]) { border-color: rgba(91,92,240,.45); box-shadow: 0 11px 28px rgba(91,92,240,.10); }
.faq-question { width: 100%; display: grid; grid-template-columns: 1fr 30px; gap: 14px; align-items: center; padding: 18px; border: 0; color: var(--ink); background: transparent; text-align: left; font-weight: 750; }
.faq-plus { width: 29px; height: 29px; display: grid; place-items: center; border-radius: 10px 5px 10px 5px; color: var(--primary-dark); background: var(--surface-blue); transition: transform .2s ease, background .2s ease, color .2s ease; }
.faq-question[aria-expanded="true"] .faq-plus { color: #fff; background: var(--primary); transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .28s ease; }
.faq-answer p { padding: 0 18px 18px; font-size: .91rem; }

/* Inner pages */
.page-hero { position: relative; padding: 76px 0 64px; overflow: hidden; text-align: center; background: linear-gradient(rgba(91,92,240,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(91,92,240,.05) 1px,transparent 1px),linear-gradient(160deg,#f7f8ff,#eefaf6); background-size: 54px 54px,54px 54px,auto; }
.page-hero::after { content: ""; position: absolute; width: 340px; height: 340px; right: -170px; top: -180px; border-radius: 50%; background: rgba(91,92,240,.10); }
.page-hero .container { position: relative; z-index: 1; max-width: 880px; }
.page-hero h1 { font-size: clamp(2.35rem,4.8vw,4.45rem); }
.page-hero p { margin-top: 18px; font-size: 1.05rem; }
.breadcrumb { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 16px; color: #6b7590; font-size: .82rem; }
.breadcrumb a { color: var(--primary-dark); font-weight: 750; }
.content-wrap { width: min(calc(100% - 36px), 980px); margin: 0 auto; }
.prose { color: var(--muted); }
.prose h2, .prose h3 { color: var(--ink); margin: 35px 0 14px; }
.prose p + p { margin-top: 16px; }
.prose ul, .prose ol { color: var(--muted); padding-left: 22px; }
.prose li + li { margin-top: 8px; }
.info-box { margin: 25px 0; padding: 23px; border-left: 4px solid var(--primary); border-radius: 0 16px 16px 0; background: var(--surface-soft); }
.contact-card { max-width: 720px; margin: 0 auto; padding: 38px; border: 1px solid var(--line); border-radius: 34px 14px 34px 14px; background: #fff; box-shadow: var(--shadow); text-align: center; }
.email-display { margin-top: 21px; padding: 15px 18px; border: 1px dashed #aeb8d4; border-radius: 14px 7px 14px 7px; background: var(--surface-soft); color: var(--ink); font-weight: 750; word-break: break-word; }

/* Blog listing */
.blog-layout { display: grid; grid-template-columns: 1fr 300px; gap: 31px; align-items: start; }
.blog-list { display: grid; gap: 22px; }
.blog-row { position: relative; display: grid; grid-template-columns: 290px 1fr; border: 1px solid var(--line); border-radius: 30px 12px 30px 12px; overflow: hidden; background: #fff; box-shadow: var(--shadow-soft); }
.blog-row::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: linear-gradient(var(--primary),var(--secondary)); }
.blog-row img { width: 100%; height: 100%; min-height: 225px; object-fit: cover; }
.blog-row-content { padding: 27px; }
.blog-tag { display: inline-flex; margin-bottom: 11px; padding: 6px 9px; border-radius: 999px; color: var(--primary-dark); background: var(--surface-blue); font-size: .74rem; font-weight: 800; }
.blog-row-content p { margin: 12px 0 17px; }
.sidebar { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 20px; }
.sidebar-card { padding: 24px; border: 1px solid var(--line); border-radius: 25px 10px 25px 10px; background: #fff; box-shadow: var(--shadow-soft); }
.sidebar-card:first-child { background: linear-gradient(150deg,#eef1ff,#fff); }
.sidebar-card h3 { margin-bottom: 14px; }
.sidebar-links { display: grid; gap: 10px; }
.sidebar-links a { color: #53607a; font-size: .9rem; }
.sidebar-links a:hover { color: var(--primary-dark); }

/* Article */
.article-shell { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 35px; align-items: start; }
.article { min-width: 0; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 19px; color: #6b7590; font-size: .84rem; }
.article-image { width: 100%; aspect-ratio: 16/9; object-fit: cover; margin: 31px 0; padding: 8px; border: 1px solid var(--line); border-radius: 31px 12px 31px 12px; background: #fff; box-shadow: var(--shadow); }
.article-content h2 { margin: 39px 0 15px; font-size: clamp(1.68rem,2.5vw,2.28rem); }
.article-content h3 { margin: 29px 0 12px; }
.article-content p + p { margin-top: 16px; }
.article-content ul, .article-content ol { padding-left: 22px; color: var(--muted); }
.article-content li + li { margin-top: 8px; }
.article-content code { padding: 2px 6px; border-radius: 6px; color: #293653; background: #eef2f8; font-size: .92em; }
.related-guides { margin-top: 43px; padding: 29px; border: 1px solid var(--line); border-radius: 24px 10px 24px 10px; background: var(--surface-soft); }
.related-guides ul { margin: 14px 0 0; padding-left: 20px; }
.related-guides a { color: var(--primary-dark); font-weight: 750; }

/* Footer */
.site-footer { padding-top: 68px; color: #fff; background: linear-gradient(155deg,#0e1633,#172146 60%,#12263c); }
.footer-grid { display: grid; grid-template-columns: 1.32fr .66fr 1fr; gap: 44px; padding-bottom: 42px; }
.footer-brand { display: inline-flex; align-items: center; gap: 14px; margin-bottom: 17px; font-weight: 850; }
.footer-brand img { width: 68px; height: 68px; padding: 7px; object-fit: contain; border-radius: 18px; background: #fff; box-shadow: 0 14px 30px rgba(0,0,0,.24); }
.footer-brand span { font-size: 1.18rem; color: #fff; }
.site-footer p, .site-footer a { color: #bdc6da; }
.site-footer a:hover { color: #fff; }
.footer-title { margin-bottom: 16px; color: #fff; font-size: .95rem; }
.footer-links { display: grid; gap: 9px; }
.footer-email { margin-top: 15px; color: #d9dfeb; font-weight: 650; word-break: break-word; }
.footer-bottom { padding: 23px 0 27px; border-top: 1px solid rgba(255,255,255,.10); text-align: center; }
.copyright { color: #cbd2e0; font-size: .88rem; }
.copyright a { color: #fff; }
.disclaimer-line { margin-top: 8px; color: #9eabc1; font-size: .82rem; }
.scroll-top { position: fixed; right: 22px; bottom: 22px; z-index: 900; width: 46px; height: 46px; display: grid; place-items: center; border: 0; border-radius: 15px 7px 15px 7px; color: #fff; background: linear-gradient(135deg,var(--primary),#7659ed); box-shadow: var(--shadow-soft); opacity: 0; visibility: hidden; transform: translateY(10px); transition: .2s; }
.scroll-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.reveal { opacity: 1; transform: none; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1040px) {
  .menu-toggle { display: inline-flex; margin-left: auto; }
  .nav { position: absolute; left: 18px; right: 18px; top: calc(100% + 8px); display: none; padding: 14px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow); }
  .nav.is-open { display: grid; }
  .nav a { padding: 12px 13px; }
  .nav .header-cta { margin: 5px 0 0; }
  .hero-grid, .about-dashboard, .workflow, .compatibility-board, .setup-layout, .download-panel, .release-grid, .blog-layout, .article-shell { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .hero-copy::before { display: none; }
  .hero-copy > p { margin-inline: auto; }
  .hero-actions, .hero-trust { justify-content: center; }
  .dashboard-shell { max-width: 780px; margin-inline: auto; transform: none; }
  .about-content { order: -1; }
  .feature-card:nth-child(n) { grid-column: span 6; }
  .card-grid, .troubleshoot-grid, .guides-grid { grid-template-columns: repeat(2,1fr); }
  .sidebar { position: static; }
  .blog-layout, .article-shell { max-width: 880px; margin-inline: auto; }
  .footer-grid { grid-template-columns: 1.2fr .8fr; }
  .footer-grid > :last-child { grid-column: 1/-1; }
  .faq-shell { grid-template-columns: 210px 1fr; }
}

@media (max-width: 760px) {
  :root { --header-h: 72px; }
  .container, .content-wrap { width: min(calc(100% - 24px), var(--container)); }
  .section { padding: 70px 0; }
  .site-header { padding: 7px 0; }
  .header-inner { min-height: 58px; border-radius: 16px; }
  .brand img { width: 40px; height: 40px; }
  .brand span { font-size: .94rem; }
  .hero { padding: 52px 0 70px; }
  .hero h1 { font-size: clamp(2.05rem, 7vw, 3.2rem); }
  .hero h1 span { white-space: normal; }
  .floating-widget { display: none; }
  .dashboard-shell { padding: 10px; border-radius: 24px; }
  .dashboard-shell::before { display: none; }
  .info-panel { border-radius: 28px 10px 28px 10px; }
  .info-panel img { border-radius: 20px 7px 20px 7px; }
  .info-panel::after { display: none; }
  .about-content, .workflow-copy, .download-panel, .release-card, .pc-card, .contact-card { padding: 27px; }
  .mini-stats, .feature-dashboard, .card-grid, .use-case-grid, .pros-cons, .troubleshoot-grid, .guides-grid, .footer-grid { grid-template-columns: 1fr; }
  .feature-card:nth-child(n) { grid-column: auto; min-height: 0; }
  .workflow-steps { padding-left: 20px; }
  .workflow-step { grid-template-columns: 46px 1fr; }
  .step-arrow { display: none; }
  .compat-row { align-items: flex-start; flex-direction: column; gap: 8px; }
  .download-panel { border-radius: 28px 12px 28px 12px; }
  .download-visual { justify-self: stretch; }
  .notice-board { grid-template-columns: 1fr; }
  .faq-shell { display: block; border-radius: 28px 10px 28px 10px; }
  .faq-toolbar { flex-direction: row; padding: 14px; overflow-x: auto; }
  .faq-toolbar::before { display: none; }
  .faq-tab { min-width: max-content; text-align: center; }
  .faq-panel { padding: 14px; }
  .faq-columns { grid-template-columns: 1fr; }
  .blog-row { grid-template-columns: 1fr; }
  .blog-row img { min-height: 200px; }
  .footer-grid > :last-child { grid-column: auto; }
  .footer-brand img { width: 62px; height: 62px; }
  .scroll-top { right: 14px; bottom: 14px; }
}

@media (max-width: 460px) {
  h1 { font-size: clamp(2.25rem, 12vw, 3rem); }
  .hero h1 { font-size: clamp(1.9rem, 9.5vw, 2.45rem); }
  h2 { font-size: clamp(1.8rem, 9vw, 2.4rem); }
  .hero-actions .btn { width: 100%; }
  .hero-trust { align-items: stretch; flex-direction: column; }
  .trust-chip { justify-content: center; }
  .download-meta { align-items: stretch; flex-direction: column; }
  .download-meta span { text-align: center; }
}