body {
  background: linear-gradient(180deg, #f4f7fb 0%, #eef2f7 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.045;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(16, 24, 40, 0.16) 0.6px, transparent 0.8px),
    radial-gradient(circle at 80% 30%, rgba(16, 24, 40, 0.14) 0.5px, transparent 0.8px);
  background-size: 24px 24px, 32px 32px;
}

.guide-page { margin-top: 28px; }
.guide-layout { display: grid; grid-template-columns: minmax(280px, 340px) minmax(0, 1fr); gap: 24px; align-items: start; }
.guide-sidebar { position: sticky; top: 24px; }
.guide-sidebar-panel, .guide-hero, .guide-detail-card, .guide-technical-card, .guide-problems-card, .guide-cta-card, .guide-empty-card { position: relative; backdrop-filter: blur(10px); background: #ffffff; border: 1px solid rgba(28, 34, 48, 0.07); box-shadow: 0 10px 30px rgba(0,0,0,0.05); border-radius: 16px; }
.guide-sidebar-panel { padding: 18px; display: grid; gap: 14px; max-height: calc(100vh - 48px); overflow: auto; }
.guide-sidebar-group { display: grid; gap: 10px; }
.guide-group-toggle, .guide-parent-toggle, .guide-child-toggle, .guide-link-button { width: 100%; border: 0; background: transparent; color: var(--text); font: inherit; text-align: left; }
.guide-group-toggle, .guide-parent-toggle, .guide-child-toggle { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-radius: 18px; background: rgba(255, 255, 255, 0.68); font-weight: 800; }
.guide-group-toggle:hover, .guide-parent-toggle:hover, .guide-child-toggle:hover { background: rgba(255, 255, 255, 0.82); }
.guide-toggle-symbol { color: var(--brand-dark); font-size: 1rem; transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1); }
[aria-expanded="true"] .guide-toggle-symbol { transform: rotate(45deg); }
.guide-group-body, .guide-parent-body, .guide-child-body { display: grid; overflow: hidden; transition: grid-template-rows 220ms cubic-bezier(0.22, 1, 0.36, 1), opacity 220ms cubic-bezier(0.22, 1, 0.36, 1); grid-template-rows: 0fr; opacity: 0; }
.guide-group-body.is-open, .guide-parent-body.is-open, .guide-child-body.is-open { grid-template-rows: 1fr; opacity: 1; }
.guide-group-body > div, .guide-parent-body > div, .guide-child-body > div { min-height: 0; }
.guide-parent-card, .guide-child-card { display: grid; gap: 8px; padding: 4px; border-radius: 20px; background: rgba(255, 255, 255, 0.26); }
.guide-parent-body > div, .guide-child-body > div { display: grid; gap: 8px; padding-top: 8px; }
.guide-link-button { padding: 12px 14px; border-radius: 16px; color: var(--muted); background: rgba(255, 255, 255, 0.52); transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1), background-color 220ms cubic-bezier(0.22, 1, 0.36, 1), color 220ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 220ms cubic-bezier(0.22, 1, 0.36, 1); }
.guide-link-button:hover, .guide-link-button.is-active { background: rgba(197, 92, 43, 0.12); color: var(--text); transform: translateY(-1px); box-shadow: 0 12px 24px rgba(31, 35, 48, 0.08); }
.guide-group-toggle.is-guided { box-shadow: 0 0 0 4px rgba(197, 92, 43, 0.16), 0 18px 32px rgba(31, 35, 48, 0.12); background: rgba(197, 92, 43, 0.12); }
.guide-link-button.is-application { font-weight: 700; }
.guide-link-note { display: block; margin-top: 4px; font-size: 0.82rem; color: var(--muted); }
.guide-content { display: grid; gap: 24px; }
.guide-intro-shell { display: grid; gap: 28px; }
.guide-intro-card, .guide-intro-slider { position: relative; backdrop-filter: blur(10px); background: #ffffff; border: 1px solid rgba(28, 34, 48, 0.07); box-shadow: 0 10px 30px rgba(0,0,0,0.05); border-radius: 16px; }
.guide-intro-slider { position: relative; overflow: hidden; min-height: clamp(420px, 72vh, 640px); }
.guide-intro-track { position: relative; min-height: inherit; }
.guide-intro-slide { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity 420ms ease; }
.guide-intro-slide.is-active { opacity: 1; pointer-events: auto; }
.guide-intro-slide img { width: 100%; height: 100%; display: block; object-fit: cover; }
.guide-intro-slide-overlay { position: absolute; inset: 0; background:
  linear-gradient(180deg, rgba(10, 14, 22, 0.34) 0%, rgba(10, 14, 22, 0.5) 36%, rgba(10, 14, 22, 0.74) 100%),
  linear-gradient(110deg, rgba(10, 14, 22, 0.78) 0%, rgba(10, 14, 22, 0.52) 42%, rgba(10, 14, 22, 0.18) 100%);
}
.guide-intro-slide-copy { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; width: min(100%, 700px); padding: 40px 40px 104px; color: #fff; }
.guide-intro-slide-copy .eyebrow { margin-bottom: 1rem; color: rgba(255, 255, 255, 0.74); }
.guide-intro-slide-copy h1 { margin-bottom: 16px; font-size: clamp(2.3rem, 4.3vw, 4.35rem); letter-spacing: -0.03em; max-width: 11ch; color: #fff; text-wrap: balance; text-shadow: 0 10px 28px rgba(0, 0, 0, 0.34); }
.guide-intro-slide-copy .lead { margin-bottom: 0; color: rgba(244, 247, 250, 0.9); font-size: 1.02rem; line-height: 1.7; max-width: 50ch; text-shadow: 0 6px 18px rgba(0, 0, 0, 0.24); }
.guide-intro-controls { position: absolute; left: 28px; right: 28px; bottom: 28px; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 16px; pointer-events: none; }
.guide-intro-arrow, .guide-intro-dots { pointer-events: auto; }
.guide-intro-arrow { width: 52px; height: 52px; border: 1px solid rgba(255, 255, 255, 0.28); border-radius: 999px; background: rgba(13, 18, 27, 0.34); color: #fff; font: inherit; font-size: 1.6rem; line-height: 1; cursor: pointer; box-shadow: 0 14px 26px rgba(0, 0, 0, 0.16); backdrop-filter: blur(10px); transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1), background-color 220ms cubic-bezier(0.22, 1, 0.36, 1), border-color 220ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 220ms cubic-bezier(0.22, 1, 0.36, 1); }
.guide-intro-arrow:hover { transform: translateY(-1px); background: rgba(13, 18, 27, 0.46); border-color: rgba(255, 255, 255, 0.4); box-shadow: 0 18px 30px rgba(0, 0, 0, 0.2); }
.guide-intro-dots { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 16px; border-radius: 999px; background: rgba(10, 14, 22, 0.42); border: 1px solid rgba(255, 255, 255, 0.12); backdrop-filter: blur(12px); }
.guide-intro-dot { width: 10px; height: 10px; border: 0; padding: 0; border-radius: 999px; background: rgba(255, 255, 255, 0.54); cursor: pointer; transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1), background-color 220ms ease, box-shadow 220ms ease, opacity 220ms ease; opacity: 0.72; }
.guide-intro-dot.is-active { background: #fff; opacity: 1; transform: scale(1.32); box-shadow: 0 0 0 7px rgba(255, 255, 255, 0.14); }
.guide-intro-card { padding: 28px; }
.guide-intro-copy-card { background: #ffffff; }
.guide-intro-copy-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.88fr); gap: 28px; align-items: center; }
.guide-intro-copy-text { min-width: 0; }
.guide-intro-copy-text > p:last-child { margin-bottom: 0; }
.guide-intro-support-figure { position: relative; margin: 4px 0 4px auto; width: min(100%, 430px); padding: 12px; border-radius: 22px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.05); background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(246, 249, 252, 0.92)); border: 1px solid rgba(28, 34, 48, 0.05); }
.guide-intro-support-figure img { width: 100%; aspect-ratio: 1 / 1; height: auto; display: block; object-fit: cover; object-position: center 52%; border-radius: 16px; }
.guide-intro-card-grid, .guide-intro-cta-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.guide-intro-feature-card, .guide-intro-cta { border-radius: 16px; border: 1px solid rgba(28, 34, 48, 0.06); background: #ffffff; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.guide-intro-feature-card { padding: 22px; }
.guide-intro-feature-image { width: 100%; height: 156px; display: block; object-fit: cover; object-position: center; margin: 0 0 18px; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); background: rgba(244, 247, 250, 0.9); border: 1px solid rgba(28, 34, 48, 0.05); }
.guide-intro-card-grid .guide-intro-feature-card:nth-child(1) .guide-intro-feature-image { object-position: center 42%; }
.guide-intro-card-grid .guide-intro-feature-card:nth-child(2) .guide-intro-feature-image { object-position: center 34%; }
.guide-intro-card-grid .guide-intro-feature-card:nth-child(3) .guide-intro-feature-image { object-position: center 26%; }
.guide-intro-feature-card h3 { margin-bottom: 12px; }
.guide-intro-feature-card p { margin-bottom: 0; color: var(--muted); }
.guide-intro-cta-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.guide-intro-cta { width: 100%; padding: 24px; text-align: left; color: var(--text); font: inherit; cursor: pointer; transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1), border-color 220ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 220ms cubic-bezier(0.22, 1, 0.36, 1), background-color 220ms cubic-bezier(0.22, 1, 0.36, 1); }
.guide-intro-cta:hover { transform: translateY(-3px); border-color: rgba(197, 92, 43, 0.2); box-shadow: 0 16px 32px rgba(31, 35, 48, 0.1); background: rgba(255, 252, 249, 0.92); }
.guide-intro-cta span, .guide-intro-cta strong { display: block; }
.guide-intro-cta-kicker { margin-bottom: 10px; color: var(--accent); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.guide-intro-cta strong { margin-bottom: 10px; font-family: "Space Grotesk", sans-serif; font-size: 1.3rem; line-height: 1.15; }
.guide-intro-cta span:last-child { color: var(--muted); }
.guide-hero { position: relative; overflow: hidden; min-height: 320px; padding: 36px; display: flex; align-items: end; }
.guide-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, rgba(255, 253, 250, 0.93) 10%, rgba(255, 253, 250, 0.76) 48%, rgba(255, 253, 250, 0.32) 100%), var(--guide-hero-image); background-size: cover; background-position: center; }
.guide-hero-copy { position: relative; z-index: 1; max-width: 58ch; }
.guide-hero h1 { font-size: clamp(2rem, 4vw, 3.9rem); max-width: 13ch; }
.guide-section-grid { display: grid; gap: 24px; }
.guide-detail-card, .guide-technical-card, .guide-problems-card, .guide-cta-card, .guide-empty-card { padding: 28px; }
.guide-detail-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(220px, 0.8fr); gap: 22px; align-items: center; }
.guide-figure { margin: 0; border-radius: 22px; overflow: hidden; min-height: 220px; background: rgba(255, 255, 255, 0.72); }
.guide-figure img { width: 100%; height: 100%; display: block; object-fit: cover; }
.guide-technical-lead { color: var(--muted); margin-bottom: 18px; }
.guide-technical-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.guide-list-card, .guide-problem-card { padding: 18px; border-radius: 22px; background: rgba(255, 255, 255, 0.58); border: 1px solid rgba(28, 34, 48, 0.08); }
.guide-list-card h3 { margin-bottom: 12px; }
.guide-list-card ul { margin: 0; padding-left: 18px; display: grid; gap: 10px; color: var(--muted); }
.guide-problem-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.guide-problem-head { display: flex; align-items: start; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.guide-problem-head h3 { margin-bottom: 0; font-size: 1.06rem; }
.guide-tag { display: inline-flex; align-items: center; min-height: 32px; padding: 0 12px; border-radius: 999px; background: rgba(15, 123, 108, 0.12); color: var(--accent); font-size: 0.78rem; font-weight: 800; white-space: nowrap; }
.guide-cta-card { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.guide-intro-shell > .guide-intro-card:nth-of-type(even),
.guide-section-grid > article:nth-of-type(even) {
  background: #f1f4f8;
}

.guide-intro-shell > .guide-intro-card:nth-of-type(even) .guide-intro-feature-card,
.guide-intro-shell > .guide-intro-card:nth-of-type(even) .guide-intro-cta,
.guide-section-grid > article:nth-of-type(even) .guide-list-card,
.guide-section-grid > article:nth-of-type(even) .guide-problem-card {
  background: #ffffff;
}
@media (max-width: 1080px) { .guide-layout, .guide-detail-layout, .guide-technical-columns, .guide-problem-grid, .guide-intro-copy-layout, .guide-intro-card-grid, .guide-intro-cta-grid { grid-template-columns: 1fr; } .guide-sidebar { position: static; } .guide-sidebar-panel { max-height: none; } .guide-intro-slider { min-height: clamp(380px, 66vh, 560px); } .guide-intro-slide-copy { width: min(100%, 620px); padding: 34px 34px 96px; } .guide-intro-slide-copy h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); } .guide-intro-support-figure { width: min(100%, 560px); margin-left: 0; } .guide-intro-feature-image { height: 188px; } .guide-intro-card-grid .guide-intro-feature-card:nth-child(2) .guide-intro-feature-image { object-position: center 30%; } }
@media (max-width: 720px) { .guide-hero, .guide-detail-card, .guide-technical-card, .guide-problems-card, .guide-cta-card, .guide-intro-card { padding: 22px; } .guide-cta-card { align-items: stretch; flex-direction: column; } .guide-hero { min-height: 250px; } .guide-intro-shell { gap: 22px; } .guide-intro-slider { min-height: clamp(320px, 64vh, 460px); } .guide-intro-slide-copy { width: min(100%, 100%); padding: 24px 22px 84px; } .guide-intro-slide-copy .eyebrow { margin-bottom: 0.8rem; } .guide-intro-slide-copy h1 { margin-bottom: 12px; font-size: clamp(1.8rem, 8vw, 2.65rem); max-width: 10.5ch; line-height: 1.02; } .guide-intro-slide-copy .lead { font-size: 0.96rem; line-height: 1.6; max-width: 34ch; } .guide-intro-controls { left: 16px; right: 16px; bottom: 16px; gap: 12px; } .guide-intro-arrow { width: 44px; height: 44px; font-size: 1.35rem; } .guide-intro-dots { gap: 8px; padding: 8px 12px; } .guide-intro-copy-layout { gap: 18px; } .guide-intro-support-figure { width: 100%; padding: 10px; border-radius: 18px; } .guide-intro-support-figure img { aspect-ratio: 1.08 / 1; object-position: center 50%; border-radius: 14px; } .guide-intro-feature-image { height: 164px; margin-bottom: 14px; } .guide-intro-card-grid .guide-intro-feature-card:nth-child(1) .guide-intro-feature-image { object-position: center 40%; } .guide-intro-card-grid .guide-intro-feature-card:nth-child(2) .guide-intro-feature-image { object-position: center 28%; } .guide-intro-card-grid .guide-intro-feature-card:nth-child(3) .guide-intro-feature-image { object-position: center 24%; } }