html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { overflow-wrap: break-word; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 10; background: var(--ink); padding: 12px; }
.skip-link:focus { top: 10px; }
.site-header { padding-block: 20px; }
.site-header .logo { width: 210px; }
.site-header nav, .site-footer nav { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.site-header nav a, .site-footer nav a { text-decoration: none; font-size: .9rem; font-weight: 650; }
.site-header nav a:not(.button), .site-footer a { color: var(--text); padding-block: 12px; }
[aria-current="page"] { text-decoration: underline !important; text-underline-offset: 6px; }
.button { gap: 10px; transition: background .15s, transform .15s; }
.button:hover { background: #ffe4a8; transform: translateY(-2px); }
.secondary { color: var(--text); border: 1px solid #8191a6; background: #081321b8; }
.secondary:hover { background: var(--panel); }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-block: 26px; }
.landing-hero { position: relative; isolation: isolate; min-height: 720px; border: 1px solid #28425b; border-radius: 24px; overflow: hidden; padding: 65px 48px; display: flex; align-items: center; }
.hero-scene { position: absolute; inset: 0; z-index: -2; }
.hero-scene img { width: 100%; height: 100%; object-fit: cover; }
.landing-hero::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg,#081321f5 0%,#081321c9 43%,#08132135 100%); }
.hero-copy { max-width: 660px; }
.hero-copy h1 { font-size: clamp(2.8rem, 6.2vw, 5.2rem); }
.hero-copy h1 span { color: var(--gold); }
.hero-copy .intro { max-width: 480px; color: #e0e9f3; }
.feature-strip { display: flex; flex-wrap: wrap; justify-content: space-around; gap: 16px; padding: 25px 12px; border-bottom: 1px solid #28425b; color: var(--muted); font-size: .9rem; }
main > section:not(.landing-hero) { padding-block: 70px; }
.section-heading { max-width: 760px; }
.split-section { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split-section > * { min-width: 0; }
.feature-list { list-style: none; padding: 0; }
.feature-list li { border-bottom: 1px solid #28425b; padding: 14px 0; color: var(--muted); }
.feature-list strong { color: var(--text); }
.text-link { display: inline-block; padding-block: 12px; font-weight: 700; text-underline-offset: 5px; }
.companion-card { border: 1px solid #20c7b560; border-radius: 24px; padding: 42px; background: radial-gradient(ellipse at top right,#1b736950,transparent 70%),var(--panel); }
.companion-card h3 { font-size: clamp(2.2rem,4vw,3.6rem); }
.card-number { color: var(--teal); font-size: .75rem; letter-spacing: .1em; font-weight: 750; }
.mode-grid .card { display: flex; flex-direction: column; }
.mode-grid .card a { margin-top: auto; padding-block: 10px; }
.card p { color: var(--muted); }
.landscape-section { position: relative; overflow: hidden; border-radius: 20px; min-height: 430px; display: flex; align-items: end; padding-inline: 40px; isolation: isolate; }
.landscape-section > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.landscape-section::before { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg,#081321fa,#08132115); z-index: -1; }
.steps { list-style-position: inside; padding: 0; }
.steps li::marker { color: var(--gold); font-weight: 800; }
.faq { max-width: 850px; margin-inline: auto; }
details { border-bottom: 1px solid #28425b; padding: 10px 0; }
summary { cursor: pointer; min-height: 48px; padding-block: 12px; font-weight: 650; }
details p { color: var(--muted); }
.final-cta { text-align: center; border-radius: 24px; margin-bottom: 50px; background: radial-gradient(ellipse at center,#20645770,transparent 72%); }
.final-cta h2 { font-size: clamp(2.8rem,6vw,5rem); }
.final-cta p { margin-inline: auto; }
.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; }
.site-footer > .note { flex-basis: 100%; }
.manual-title { max-width: 900px; }
.manual-layout { display: grid; grid-template-columns: 220px minmax(0,1fr); gap: 50px; align-items: start; }
.manual-nav { position: sticky; top: 24px; background: var(--panel); padding: 20px; border-radius: 12px; }
.manual-nav a { display: block; padding: 10px 0; color: var(--text); text-decoration: none; }
.manual-content { min-width: 0; }
.manual-content section { padding: 16px 0 32px; border-bottom: 1px solid #28425b; scroll-margin-top: 20px; }
.manual-content h2 { font-size: 2rem; }
.manual-content h3 { margin-top: 30px; }
.heading-anchor { font-size: 1rem; text-decoration: none; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; border-bottom: 1px solid #28425b; padding: 14px 12px; vertical-align: top; }
th { color: var(--teal); }
kbd { display: inline-block; background: #1a3047; border: 1px solid #546c86; border-bottom-width: 3px; padding: 1px 7px; border-radius: 5px; color: var(--text); font: inherit; font-size: .85rem; white-space: nowrap; }
.callout { border-left: 3px solid var(--gold); padding: 14px 20px; background: var(--panel); }
.manual-code { overflow-x: auto; margin: 14px 0; padding: 14px 16px; border: 1px solid #28425b; border-radius: 8px; background: #07111d; color: #dfeaf5; font: .86rem/1.5 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: pre; }
.manual-content :not(pre) > code { padding: 1px 5px; border-radius: 4px; background: #1a3047; color: var(--text); font: .9em ui-monospace, SFMono-Regular, Consolas, monospace; }
.block-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.block-entry { background: var(--panel); border: 1px solid #28425b; border-radius: 10px; padding: 16px; }
.block-entry h3 { font-size: 1.1rem; margin: 0 0 8px; }
.block-entry p { margin: 0 0 8px; font-size: .9rem; color: var(--muted); }
.badge { display: inline-block; font-size: .75rem; color: var(--gold); }
@media(max-width:900px) {
 .site-header { flex-wrap: wrap; }
 .site-header nav { gap: 16px; }
 .split-section { gap: 28px; }
 .manual-layout { grid-template-columns: 180px minmax(0,1fr); gap: 24px; }
}
@media(max-width:700px) {
 header,main,footer { width: calc(100% - 32px); }
 .site-header .logo { width: 185px; }
 .site-header nav { width: 100%; gap: 8px 16px; }
 .site-header nav .button { margin-left: auto; }
 .landing-hero { min-height: 670px; padding: 32px 22px; }
 .landing-hero::after { background: linear-gradient(0deg,#081321ed,#081321a8); }
 .hero-copy h1 { font-size: clamp(2.6rem,10vw,4rem); }
 .intro { font-size: 1.05rem; }
 .grid,.split-section { grid-template-columns: 1fr; }
 main > section:not(.landing-hero) { padding-block: 42px; }
 .landscape-section { padding-inline: 24px; }
 .companion-card { padding: 28px; }
 .manual-layout { display: block; }
 .manual-nav { position: static; margin-bottom: 24px; }
 .manual-nav div { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
 .block-grid { grid-template-columns: 1fr; }
 th,td { padding: 12px 8px; }
}
@media(prefers-reduced-motion:reduce) { *,*::before,*::after { transition: none !important; scroll-behavior: auto !important; } }
@media print {
 .site-header,.site-footer,.manual-nav,.heading-anchor,.skip-link { display: none; }
 main { width: 100%; }
 .manual-layout { display: block; }
 body, .block-entry, .callout, kbd { color: #111; background: #fff; }
 p,a,th,.badge,.block-entry p { color: #111 !important; }
 .block-entry { break-inside: avoid; }
}