:root { --bg: oklch(0.985 0.01 80); --surface: oklch(1.00 0 0); --fg: oklch(0.20 0.015 60); --muted: oklch(0.50 0.012 70); --border: oklch(0.90 0.012 80); --accent: oklch(0.62 0.16 52); --accent-hover: oklch(0.55 0.16 50); --accent-ink: oklch(0.985 0.01 80); --accent-soft: color-mix(in oklch, var(--accent) 12%, transparent); --accent-glow: color-mix(in oklch, var(--accent) 26%, transparent); --fg-soft: color-mix(in oklch, var(--fg) 6%, transparent); --success: oklch(0.55 0.14 145); --success-soft: color-mix(in oklch, var(--success) 14%, transparent); --warn: oklch(0.72 0.15 75); --warn-soft: color-mix(in oklch, var(--warn) 14%, transparent); --danger: oklch(0.55 0.20 25); --info: oklch(0.55 0.12 240); --ff-display: 'Fraunces', 'Iowan Old Style', Charter, Georgia, serif; --ff-body: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif; --ff-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace; --max-width: 1200px; --r-sm: 8px; --r-md: 10px; --r-lg: 14px; --r-xl: 22px; --r-full: 999px; --ease-cinema: cubic-bezier(0.16, 1, 0.3, 1); --shadow-subtle: 0 1px 3px rgba(0,0,0,0.03), 0 12px 32px rgba(0,0,0,0.06); --shadow-elevated: 0 4px 6px rgba(0,0,0,0.04), 0 24px 64px rgba(0,0,0,0.09); }
[data-palette="petrol"] { --accent: oklch(0.48 0.10 230); --accent-hover: oklch(0.42 0.11 232); --accent-ink: oklch(0.985 0.01 80); --accent-soft: color-mix(in oklch, var(--accent) 14%, transparent); --accent-glow: color-mix(in oklch, var(--accent) 26%, transparent); }
[data-theme="dark"] { --bg: oklch(0.16 0.018 220); --surface: oklch(0.21 0.018 220); --fg: oklch(0.94 0.012 80); --muted: oklch(0.67 0.014 75); --border: oklch(0.30 0.014 220); --accent: oklch(0.70 0.16 55); --accent-hover: oklch(0.78 0.16 55); --accent-ink: oklch(0.16 0.018 220); --accent-soft: color-mix(in oklch, var(--accent) 14%, transparent); --accent-glow: color-mix(in oklch, var(--accent) 26%, transparent); --fg-soft: color-mix(in oklch, var(--fg) 8%, transparent); --shadow-subtle: 0 1px 3px rgba(0,0,0,0.2), 0 14px 40px rgba(0,0,0,0.35); --shadow-elevated: 0 4px 10px rgba(0,0,0,0.3), 0 28px 72px rgba(0,0,0,0.48); }
[data-theme="dark"][data-palette="petrol"] { --accent: oklch(0.62 0.10 230); --accent-hover: oklch(0.68 0.10 232); --accent-ink: oklch(0.16 0.018 220); }
*, ::before, ::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); color-scheme: light dark; scroll-snap-type: y; scroll-padding-top: 72px; }
body { margin: 0px; background: var(--bg); color: var(--fg); font-family: var(--ff-body); font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; border-width: medium; border-style: none; border-color: currentcolor; border-image: none; background: transparent; cursor: pointer; }
svg { display: block; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.skip { position: fixed; top: -60px; left: 16px; z-index: 500; padding: 10px 18px; background: var(--fg); color: var(--bg); border-radius: var(--r-md); font-family: var(--ff-mono); font-size: 13px; transition: top 0.2s; }
.skip:focus { top: 16px; }
.container { width: min(100% - 48px, var(--max-width)); margin-inline: auto; }
.site-header { position: sticky; top: 0px; z-index: 200; border-bottom: 1px solid color-mix(in oklch, var(--border) 80%, transparent); background: color-mix(in oklch, var(--bg) 88%, transparent); backdrop-filter: blur(16px); transition: background 0.24s, border-color 0.24s; }
.nav { min-height: 72px; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: var(--r-md); background: var(--fg); color: var(--bg); transition: background 0.2s, color 0.2s; }
[data-palette="petrol"] .brand-mark { background: var(--accent); color: var(--accent-ink); }
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { font-family: var(--ff-display); font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.nav-links { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-link { padding: 8px 14px; border-radius: var(--r-sm); font-size: 13px; font-weight: 500; color: var(--muted); transition: color 0.16s, background 0.16s; }
.nav-link:hover { color: var(--fg); background: var(--fg-soft); }
.nav-actions { display: flex; align-items: center; gap: 10px; margin-left: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0px 20px; border-radius: var(--r-md); font-family: var(--ff-body); font-size: 14px; font-weight: 600; border: 1px solid var(--border); background: transparent; color: var(--fg); transition: transform 0.18s var(--ease-cinema), background 0.18s, border-color 0.18s, color 0.18s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); border-color: var(--fg); background: var(--fg-soft); }
.btn--primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn--primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--accent-ink); }
.btn--sm { min-height: 36px; padding: 0px 14px; font-size: 13px; border-radius: var(--r-sm); }
.btn svg { width: 16px; height: 16px; }
.menu-toggle { display: none; place-items: center; width: 40px; height: 40px; border: 1px solid var(--border); border-radius: var(--r-sm); color: var(--fg); }
.hero-stage { position: relative; border: 1px solid var(--border); border-radius: var(--r-xl); background: var(--surface); box-shadow: var(--shadow-elevated); overflow: hidden; margin-top: 8px; }
@keyframes pulse-dot {0%, 100% { transform: scale(1); opacity: 1; }
50% { transform: scale(1.3); opacity: 0.6; }}
.section { padding: 92px 0px; border-top: 1px solid var(--border); }
.footer { padding: 56px 0px 40px; border-top: 1px solid var(--border); background: var(--bg); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand strong { display: block; font-family: var(--ff-display); font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.footer-brand p { font-size: 13px; color: var(--muted); line-height: 1.6; max-width: 280px; margin: 0px; }
.footer-col ul { list-style: none; padding: 0px; margin: 0px; display: grid; gap: 10px; }
.footer-col a { font-size: 13px; color: var(--muted); transition: color 0.16s; }
.footer-col a:hover { color: var(--fg); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 28px; border-top: 1px solid var(--border); font-family: var(--ff-mono); font-size: 11px; color: var(--muted); flex-wrap: wrap; }
@media (max-width: 1024px) {.hero-stage { max-width: 600px; }
.footer-grid { grid-template-columns: 1fr 1fr; }}
@media (hover: none) {.btn:hover { transform: none !important; }
.btn:active { transform: scale(0.98); }}
.mobile-drawer-footer { display: none; }
@media (max-width: 768px) {html { scroll-padding-top: 58px; scroll-snap-type: y mandatory; }
body { scroll-snap-type: y mandatory; }
.footer { scroll-snap-align: end; }
html, body { overflow-x: hidden; width: 100%; }
.container { width: min(100% - 28px, var(--max-width)); padding-inline: 0px; }
.site-header { position: sticky; top: 0px; z-index: 200; }
.nav { min-height: 58px; gap: 8px; justify-content: space-between; }
.brand { gap: 8px; max-width: calc(100% - 130px); overflow: hidden; }
.brand-mark { width: 32px; height: 32px; flex-shrink: 0; }
.brand-mark svg { width: 18px; height: 18px; }
.brand-copy strong { font-size: 14.5px; white-space: nowrap; }
.nav-actions { margin-left: 0px; gap: 6px; }
.nav-actions .btn--primary { display: none; }
.nav-actions .btn--sm { min-height: 32px; padding: 0px 10px; font-size: 12px; }
.menu-toggle { display: grid; place-items: center; width: 36px; height: 36px; border-radius: var(--r-sm); border: 1px solid var(--border); background: var(--surface); color: var(--fg); flex-shrink: 0; }
.nav-links { display: none; position: absolute; top: 60px; left: 12px; right: 12px; flex-direction: column; padding: 16px; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface); box-shadow: var(--shadow-elevated); z-index: 600; gap: 4px; }
.nav-links.is-open { display: flex; animation: mobileDrawerIn 0.25s var(--ease-cinema) both; }
@keyframes mobileDrawerIn {0% { opacity: 0; transform: translateY(-8px); }
100% { opacity: 1; transform: translateY(0px); }}
.nav-link { padding: 10px 12px; font-size: 14.5px; border-radius: var(--r-sm); color: var(--fg); }
.nav-link:active { background: var(--fg-soft); }
.mobile-drawer-footer { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; padding-top: 14px; border-top: 1px solid var(--border); }
.hero-stage { max-width: 100%; margin-top: 0px; border-radius: var(--r-lg); }
.section { padding: 16px 0px; }
@keyframes mobileStepIn {0% { opacity: 0; transform: translateY(6px); }
100% { opacity: 1; transform: translateY(0px); }}
.footer { padding: 28px 0px 20px; }
.footer-grid { grid-template-columns: 1fr; gap: 20px; margin-bottom: 20px; }
.footer-brand p { max-width: 100%; }
.footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; font-size: 10px; }}
@media (prefers-reduced-motion: reduce) {html { scroll-behavior: auto; }
*, ::before, ::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }}
.theme-morph-toggle { width: 44px; height: 44px; flex: 0 0 44px; display: grid; place-items: center; color: var(--accent); border: 1px solid var(--border); border-radius: 8px; background: transparent; padding: 0px; margin-left: auto; }
.theme-morph-toggle:hover { background: var(--accent-soft); }
.theme-morph-toggle:active { transform: scale(0.94); }
@media (min-width: 769px) and (max-width: 1100px) {.nav { gap: 8px; }
.nav-links { gap: 0px; }
.nav-link { font-size: 11px; padding-inline: 4px; }
.brand-copy strong { font-size: 15px; }
.nav-actions .btn { padding-inline: 10px; }}
@media (max-width: 768px) {.theme-morph-toggle { width: 44px; height: 44px; }
.nav { gap: 8px; }}
:root { --bg: #fff; --surface: #f5f6f7; --fg: #202326; --muted: #555d65; --border: #dce0e3; --accent: #ae480b; --accent-hover: #8c3907; --accent-ink: #fff; --accent-soft: #faeee5; --max-width: 1120px; --ff-display: var(--ff-body); }
[data-theme="dark"] { --bg: #181b1e; --surface: #22272b; --fg: #f3f4f5; --muted: #bdc5cb; --border: #3c454d; --accent: #ffa665; --accent-hover: #ffc399; --accent-ink: #181b1e; --accent-soft: #38291f; }
html, body { scroll-snap-type: none !important; }
html { scroll-padding-top: 90px; }
body { line-height: 1.6; }
::selection { background: var(--accent); color: var(--accent-ink); }
a { text-underline-offset: 0.2em; }
.site-header { background: var(--bg); backdrop-filter: none; border-bottom: 1px solid var(--border); }
.nav { gap: 20px; min-height: 76px; }
.brand { flex-shrink: 0; }
.brand-copy strong { font-family: var(--ff-body); font-size: 17px; letter-spacing: -0.025em; }
.nav-links { gap: 4px; }
.nav-link { font-size: 13px; padding: 8px; white-space: nowrap; }
.nav-actions { flex-shrink: 0; }
.btn { min-height: 44px; border-radius: 6px; transform: none; font-size: 14px; box-shadow: none !important; }
.btn:hover { transform: none; }
.section, .hyperframe-section { padding-block: 64px; min-height: 0px !important; height: auto !important; scroll-snap-align: none !important; }
.footer { background: var(--surface); }
.footer-col h3 { font-family: var(--ff-body); font-size: 14px; margin: 0px 0px 12px; text-transform: none; }
.footer-brand strong { font-family: var(--ff-body); }
@media (min-width: 769px) and (max-width: 1100px) {.nav { gap: 8px; }
.brand-copy strong { font-size: 15px; }
.nav-link { font-size: 11px; padding-inline: 4px; }
.nav-actions .btn { padding-inline: 10px; }}
@media (max-width: 768px) {.container { width: calc(100% - 36px); }
.hero, .section, .hyperframe-section { padding-block: 36px !important; }}
@media (prefers-reduced-motion: reduce) {html { scroll-behavior: auto; }
*, ::before, ::after { transition: none !important; animation: auto ease 0s 1 normal none running none !important; }}
.screen-lightbox { padding: 0px; margin: auto; width: min(1080px, -64px + 100vw); height: min(820px, 100dvh - 64px); max-width: none; max-height: none; border: 1px solid var(--border); border-radius: 12px; background: var(--bg); color: var(--fg); overflow: hidden; box-shadow: rgba(0, 0, 0, 0.333) 0px 24px 80px; }
.screen-lightbox::backdrop { background: rgba(0, 0, 0, 0.7); }
.screen-lightbox-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 24px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.screen-lightbox-header h2 { font: 600 18px/1.3 var(--ff-body); margin: 0px; }
.screen-lightbox-header p { font-size: 12px; color: var(--muted); margin: 4px 0px 0px; }
.screen-lightbox-header button { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); color: var(--fg); cursor: pointer; flex-shrink: 0; }
.screen-lightbox-header button:hover { color: var(--accent); background: var(--accent-soft); }
.screen-lightbox-header button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.screen-lightbox iframe { display: block; width: 100%; flex: 1 1 0%; min-height: 0px; border: 0px; background: var(--surface); }
@media (max-width: 768px) {.screen-lightbox { width: calc(-24px + 100vw); height: calc(100dvh - 32px); border-radius: 10px; }
.screen-lightbox-header { padding: 12px 16px; }
.screen-lightbox-header h2 { font-size: 16px; }}
.footer-provider { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.footer-provider-logo { display: block; width: 156px; max-width: 100%; height: auto; object-fit: contain; }
[data-theme="dark"] .footer-provider-logo { background: rgb(255, 255, 255); padding: 8px 10px; border-radius: 6px; width: 176px; }
@media (max-width: 768px) {.footer-provider { align-items: center; text-align: center; }
.footer-provider-logo { width: 140px; }
[data-theme="dark"] .footer-provider-logo { width: 160px; }}
.nav-link.is-current { color: var(--accent); background: var(--accent-soft); }
.theme-morph-toggle { transition: background-color 0.15s; }
.btn, .guide-index a { touch-action: manipulation; }
@media (max-width: 768px) {.nav-links.is-open { animation: auto ease 0s 1 normal none running none !important; }}
html { scroll-behavior: auto; }
.site-header { background: var(--bg) !important; }
html, body { scrollbar-width: none; }
html::-webkit-scrollbar, body::-webkit-scrollbar { display: none; width: 0px; height: 0px; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0px !important; margin: -1px !important; overflow: hidden !important; clip-path: inset(50%) !important; white-space: nowrap !important; border: 0px !important; }
@media (forced-colors: active) {a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: highlight solid 3px !important; }
.btn, .screen-step, .check-box-square { border: 1px solid buttontext; }}