/* vietnamese */
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 650;
  font-display: optional;
  src: url(/fonts/rf5-e45fbfdae7.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 650;
  font-display: optional;
  src: url(/fonts/rf5-ed6f8e8580.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 650;
  font-display: optional;
  src: url(/fonts/rf5-9e5095030b.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: optional;
  src: url(/fonts/rf5-a07c36cf8a.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: optional;
  src: url(/fonts/rf5-add2d251bd.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: optional;
  src: url(/fonts/rf5-2565db8a3e.woff2) format('woff2');
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
/* vietnamese */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: optional;
  src: url(/fonts/rf5-856c310c71.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: optional;
  src: url(/fonts/rf5-9326b4c9bf.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: optional;
  src: url(/fonts/rf5-b87346fdc7.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: optional;
  src: url(/fonts/rf5-a07c36cf8a.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: optional;
  src: url(/fonts/rf5-add2d251bd.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: optional;
  src: url(/fonts/rf5-2565db8a3e.woff2) format('woff2');
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
/* vietnamese */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: optional;
  src: url(/fonts/rf5-856c310c71.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: optional;
  src: url(/fonts/rf5-9326b4c9bf.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: optional;
  src: url(/fonts/rf5-b87346fdc7.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* cyrillic-ext */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 400;
  font-display: optional;
  src: url(/fonts/rf5-bf4aa17d70.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 400;
  font-display: optional;
  src: url(/fonts/rf5-b4678036a0.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* vietnamese */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 400;
  font-display: optional;
  src: url(/fonts/rf5-8a37c0751d.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 400;
  font-display: optional;
  src: url(/fonts/rf5-a93986acdb.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 400;
  font-display: optional;
  src: url(/fonts/rf5-83a31c8196.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* cyrillic-ext */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 500;
  font-display: optional;
  src: url(/fonts/rf5-bf4aa17d70.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 500;
  font-display: optional;
  src: url(/fonts/rf5-b4678036a0.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* vietnamese */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 500;
  font-display: optional;
  src: url(/fonts/rf5-8a37c0751d.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 500;
  font-display: optional;
  src: url(/fonts/rf5-a93986acdb.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 500;
  font-display: optional;
  src: url(/fonts/rf5-83a31c8196.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* cyrillic-ext */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 600;
  font-display: optional;
  src: url(/fonts/rf5-bf4aa17d70.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 600;
  font-display: optional;
  src: url(/fonts/rf5-b4678036a0.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* vietnamese */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 600;
  font-display: optional;
  src: url(/fonts/rf5-8a37c0751d.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 600;
  font-display: optional;
  src: url(/fonts/rf5-a93986acdb.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 600;
  font-display: optional;
  src: url(/fonts/rf5-83a31c8196.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* cyrillic-ext */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 700;
  font-display: optional;
  src: url(/fonts/rf5-bf4aa17d70.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 700;
  font-display: optional;
  src: url(/fonts/rf5-b4678036a0.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* vietnamese */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 700;
  font-display: optional;
  src: url(/fonts/rf5-8a37c0751d.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 700;
  font-display: optional;
  src: url(/fonts/rf5-a93986acdb.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 700;
  font-display: optional;
  src: url(/fonts/rf5-83a31c8196.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* ============ 1. Design tokens (THEME=dark · SHAPE=rounded · DENSITY=airy · PERSONA=brutalist case-report) ============ */
:root{
  color-scheme:dark;
  --bg-main:#0F1328;            /* brand night navy — page base */
  --bg-alt:#12172F;             /* alternating band */
  --bg-card:#1A2138;            /* elevated surface */
  --bg-raise:#212A47;           /* hover / inset tile */
  --panel-info:#112440;         /* blue-tinted note panel (tax note, quiz result) */
  --header-bg:#0B0F20;          /* rail + top bar + footer surface (dark: logo tone = light) */
  --border:#2A3352;
  --border-soft:#232C4B;
  --line:#2A3352;               /* rating-bar track */
  --text-main:#EEF2FB;          /* frost ink */
  --text-muted:#A9B1CE;         /* ≥7.4:1 on card */
  --accent:#0A5A9E;             /* deep Rainbet blue — fills, bars, CTA bg */
  --accent-2:#9FD8FF;           /* ice blue — links, labels, numbers on navy (12:1) */
  --accent-soft:rgba(159,216,255,.10);
  --cta-bg:#0A5A9E;
  --cta-hover:#9FD8FF;
  --cta-text:#FFFFFF;           /* 7.07:1 on --cta-bg */
  --cta-hover-text:#0F1328;     /* 12.0:1 on --cta-hover */
  --on-accent-muted:#DBEDFE;    /* 5.9:1 on --accent */
  --ok:#6FD59F;                 /* "Oikein" — 7.7:1 on chip */
  --chip-ok:#11331F;
  --amber:#F0C37E;              /* "Vanhentunut / Ei vahvistettu" — 8.4:1 on chip */
  --chip-amber:#3A2B0B;
  --chip-neutral:#232C4E;       /* "Virheellinen" / date chip */
  --chip-neutral-text:#C9D3EC;
  --overlay:rgba(8,11,24,.82);
  --grid-line:rgba(159,216,255,.07);
  --shadow:0 18px 44px rgba(4,7,18,.5);
  --rail-w:264px;               /* nav-rail archetype */
  --wrap:1120px;                /* container (safe band, cards/sidebar end) */
  --header-h:64px;
  --gutter:clamp(18px,4vw,32px);
  --sp-1:12px; --sp-2:24px; --sp-3:40px; --sp-4:64px;
  --section-pad:clamp(56px,8vw,104px);
  --radius:18px;                /* SHAPE=rounded */
  --radius-s:12px;
  --font-display:"Fraunces",Georgia,"Times New Roman",serif;
  --font-body:"Montserrat",-apple-system,"Segoe UI",Arial,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
}

/* ============ 2. Base ============ */
*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  background:var(--bg-main);
  color:var(--text-main);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
button{font:inherit;color:inherit}
p,li,td,th,dd,dt{overflow-wrap:anywhere}
h1,h2,h3{font-family:var(--font-display);font-weight:650;line-height:1.18;margin:0 0 var(--sp-2);hyphens:auto;text-wrap:balance}
h1{font-size:clamp(30px,4.6vw,42px)}
h2{font-size:clamp(24px,3.2vw,32px)}
h3{font-size:19px}
h4{font:600 15px/1.4 var(--font-body);margin:0 0 var(--sp-1)}
p{margin:0 0 var(--sp-2)}
ul,ol{margin:0 0 var(--sp-2);padding-left:1.3em}
a{color:var(--accent-2);text-decoration:underline;text-decoration-offset:3px;text-decoration-color:var(--border)}
a:hover{text-decoration-color:var(--accent-2)}
::selection{background:var(--accent);color:var(--cta-text)}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px;border-radius:4px}

/* vertical rhythm contract: stacked groups carry a real gap, children carry no stray margins */
:where(.rf5-hero__inner,.rf5-overview,.rf5-panel,.rf5-card,.rf5-verdict,.rf5-feature__body,.rf5-stat,.rf5-toc,.rf5-quiz__q,.rf5-check,.rf5-calc__output,.rf5-section__head,.rf5-footer__brand,.rf5-footer__help,.rf5-cta .rf5-container)>*{margin-block:0}

/* ============ 3. Sections & container ============ */
.rf5-section{padding-block:var(--section-pad)}
.rf5-section--alt{background:var(--bg-alt)}
.rf5-container{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.rf5-section__head{display:flex;flex-direction:column;gap:var(--sp-1);margin-bottom:var(--sp-3)}
.rf5-eyebrow{display:flex;align-items:center;gap:10px;font:600 12px/1 var(--font-body);letter-spacing:.16em;text-transform:uppercase;color:var(--accent-2);margin:0}
.rf5-eyebrow::before{content:"";width:22px;height:2px;background:var(--accent-2);flex:none}
.rf5-lead{font-size:clamp(17px,1.8vw,20px);color:var(--text-muted)}

/* ============ 4. Buttons, links, chips, icons, badges ============ */
.rf5-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font:600 16px/1 var(--font-body);color:var(--cta-text);background:var(--cta-bg);
  border:0;border-radius:16px;padding:16px 28px;cursor:pointer;text-decoration:none;
  transition:background .2s ease,color .2s ease;
}
.rf5-btn:hover{background:var(--cta-hover);color:var(--cta-hover-text);text-decoration:none}
.rf5-btn--ghost{background:transparent;color:var(--accent-2);border:1px solid var(--border)}
.rf5-btn--ghost:hover{background:var(--accent-soft);color:var(--accent-2);border-color:var(--accent-2)}
.rf5-btn--sm{padding:12px 20px;font-size:15px;border-radius:14px}
.rf5-link-arrow{color:var(--accent-2);font-weight:600;text-decoration:none}
.rf5-link-arrow::after{content:"→";display:inline-block;margin-left:8px;transition:transform .2s ease}
.rf5-link-arrow:hover::after{transform:translateX(4px)}
.rf5-chip{display:inline-flex;align-items:center;gap:6px;font:500 12.5px/1.2 var(--font-mono);padding:6px 10px;border-radius:8px;border:1px solid transparent;white-space:nowrap}
.rf5-chip--date,.rf5-chip--neutral{background:var(--chip-neutral);color:var(--chip-neutral-text)}
.rf5-chip--ok{background:var(--chip-ok);color:var(--ok)}
.rf5-chip--amber{background:var(--chip-amber);color:var(--amber)}
.rf5-clause{display:inline-flex;font:500 12.5px/1.2 var(--font-mono);color:var(--accent-2);background:var(--accent-soft);border:1px solid var(--border);padding:5px 9px;border-radius:8px;white-space:nowrap}
.rf5-icon{width:1.5em;height:1.5em;display:inline-block;vertical-align:middle;flex-shrink:0;stroke:currentColor;fill:none;color:inherit}
.rf5-icon--lg{width:2.4em;height:2.4em}
.rf5-badge-18{display:inline-flex;align-items:center;padding:2px 8px;border:1px solid currentColor;border-radius:6px;font:600 11.5px/1.4 var(--font-mono)}
.rf5-fine{font-size:13.5px;color:var(--text-muted);line-height:1.6}
.rf5-micro{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--text-muted);line-height:1.6}

/* ============ 5. Header — nav-rail archetype (vertical rail ≥960px, top bar + burger below) ============ */
.rf5-header{
  position:sticky;top:0;z-index:1000;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:var(--header-h);padding:10px var(--gutter);
  background:var(--header-bg);border-bottom:1px solid var(--border);
}
.rf5-logo{display:inline-flex;flex:none;align-items:center;text-decoration:none}
.rf5-logo__img{height:40px;width:auto;max-width:min(45vw,220px);object-fit:contain;display:block}
.rf5-burger{
  display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  width:44px;height:44px;flex-shrink:0;padding:10px;
  background:transparent;border:1px solid var(--border);border-radius:12px;cursor:pointer;
}
.rf5-burger span{display:block;width:22px;height:2px;background:var(--text-main);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.rf5-header.is-open .rf5-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.rf5-header.is-open .rf5-burger span:nth-child(2){opacity:0}
.rf5-header.is-open .rf5-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.rf5-header__meta{display:none}
.rf5-header__stamp{align-self:flex-start}

/* mobile dropdown nav */
@media (max-width:959px){
  [id]{scroll-margin-top:calc(var(--header-h) + 16px)}
  .rf5-nav{display:none}
  .rf5-header.is-open .rf5-nav{
    display:flex;flex-direction:column;
    position:absolute;top:100%;left:0;right:0;
    background:var(--header-bg);border-bottom:1px solid var(--border);
    padding:8px var(--gutter) 20px;box-shadow:var(--shadow);
  }
  .rf5-header.is-open .rf5-header__meta{display:flex;flex-direction:column;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid var(--border-soft)}
  .rf5-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
  .rf5-nav a:not(.rf5-btn){
    display:flex;align-items:center;gap:10px;padding:13px 8px;
    color:var(--text-muted);font:500 16px/1.3 var(--font-body);text-decoration:none;
    border-bottom:1px solid var(--border-soft);
  }
  .rf5-nav a:not(.rf5-btn):hover,.rf5-nav a:not(.rf5-btn):focus-visible{color:var(--accent-2);background:var(--accent-soft);text-decoration:none;outline-offset:-2px}
  .rf5-nav a:not(.rf5-btn)[aria-current="page"]{color:var(--accent-2)}
}

/* desktop: fixed vertical rail, body reserves the side itself */
@media (min-width:960px){
  body{padding-inline-start:var(--rail-w)}
  .rf5-header{
    position:fixed;inset-block:0;inset-inline-start:0;width:var(--rail-w);min-height:0;
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:var(--sp-3);
    padding:26px 20px;border-bottom:0;border-inline-end:1px solid var(--border);
    overflow-y:auto;
  }
  .rf5-burger{display:none}
  .rf5-nav{display:flex;flex-direction:column}
  .rf5-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
  .rf5-nav a:not(.rf5-btn){
    position:relative;display:flex;align-items:center;gap:10px;
    padding:10px 12px 10px 18px;border-radius:10px;border-bottom:0;
    color:var(--text-muted);font:500 15px/1.3 var(--font-body);text-decoration:none;
    transition:background .2s ease,color .2s ease;
  }
  .rf5-nav a:not(.rf5-btn)::before{
    content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);
    width:3px;height:0;background:var(--accent-2);border-radius:2px;transition:height .2s ease;
  }
  .rf5-nav a:not(.rf5-btn):hover,.rf5-nav a:not(.rf5-btn):focus-visible,
  .rf5-nav a:not(.rf5-btn)[aria-current="page"]{color:var(--accent-2);background:var(--accent-soft);text-decoration:none;outline-offset:-2px}
  .rf5-nav a:not(.rf5-btn):hover::before,
  .rf5-nav a:not(.rf5-btn)[aria-current="page"]::before{height:58%}
  .rf5-header__meta,.rf5-header.is-open .rf5-header__meta{
    display:flex;flex-direction:column;gap:10px;margin-top:auto;
    padding-top:var(--sp-2);border-top:1px solid var(--border-soft);
  }
}

/* ============ 6. Hero — HERO_PATTERN=stacked (text first, visual below) ============ */
.rf5-hero{position:relative;overflow:hidden}
.rf5-hero--home{padding-block:clamp(56px,9vw,120px) clamp(48px,7vw,88px)}
.rf5-hero__inner{display:flex;flex-direction:column;gap:var(--sp-2)}
.rf5-hero__title{font-size:clamp(30px,5vw,42px);margin:0}
.rf5-hero__cta{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-1)}
.rf5-hero__visual{
  position:relative;margin-top:var(--sp-3);overflow:hidden;
  aspect-ratio:16/7;border-radius:var(--radius);border:1px solid var(--border);
  background:
    linear-gradient(var(--grid-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line) 1px,transparent 1px),
    radial-gradient(120% 130% at 88% -10%,var(--accent-soft),transparent 62%),
    var(--bg-card);
  background-size:36px 36px,36px 36px,auto,auto;
}
.rf5-hero__img{
  display:block;width:100%;height:auto;max-height:70vh;
  aspect-ratio:3/2;object-fit:cover;border-radius:var(--radius);
}
/* page-load sequence (single orchestrated moment) */
.rf5-hero--home .rf5-hero__inner>*{animation:rf5-rise .6s cubic-bezier(.2,.7,.3,1) both}
.rf5-hero--home .rf5-hero__inner>*:nth-child(2){animation-delay:.08s}
.rf5-hero--home .rf5-hero__inner>*:nth-child(3){animation-delay:.16s}
.rf5-hero--home .rf5-hero__inner>*:nth-child(4){animation-delay:.24s}
@keyframes rf5-rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* compact inner-page header band */
.rf5-hero--inner{
  position:relative;overflow:hidden;display:flex;align-items:center;
  min-height:190px;background:var(--bg-alt);border-bottom:1px solid var(--border);
}
.rf5-hero--inner .rf5-hero__inner{
  position:relative;z-index:1;width:100%;
  display:flex;flex-direction:column;gap:10px;
  padding-inline:max(var(--gutter),calc((100% - var(--wrap))/2 + var(--gutter)));
}
.rf5-hero--inner h1{font-size:clamp(28px,3.6vw,36px);margin:0}
.rf5-hero--inner .rf5-hero__img{position:absolute;inset:0;width:100%;height:100%;max-height:none;aspect-ratio:auto;object-fit:cover;z-index:0;border-radius:0}
.rf5-hero--inner .rf5-hero__inner::after{content:"";position:absolute;inset:0;z-index:1;background:var(--overlay)}
:where(.rf5-hero--inner .rf5-hero__inner > :not(.rf5-hero__img)){position:relative;z-index:2}

/* ============ 7. Page header + breadcrumb ============ */
.rf5-page-header{position:relative;overflow:hidden;padding-block:clamp(36px,5vw,56px)}
.rf5-page-header__content{display:flex;flex-direction:column;gap:10px}
.rf5-page-header h1{font-size:clamp(30px,4vw,38px);margin:0}
.rf5-page-header--band{background:var(--bg-alt);border-block:1px solid var(--border)}
.rf5-breadcrumb{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0;font:500 12.5px/1.5 var(--font-mono);color:var(--text-muted)}
.rf5-breadcrumb li+li::before{content:"›";margin-right:8px;color:var(--text-muted)}
.rf5-breadcrumb a{color:var(--accent-2);text-decoration:none}
.rf5-breadcrumb a:hover{text-decoration:underline}

/* ============ 8. Overview / features (icon-rows) / cards-grid ============ */
.rf5-overview{display:flex;flex-direction:column;gap:var(--sp-2)}
.rf5-features,.rf5-feature-cards{display:flex;flex-direction:column}
.rf5-feature{display:flex;align-items:flex-start;gap:var(--sp-2);padding-block:var(--sp-2)}
.rf5-feature+.rf5-feature{border-top:1px solid var(--border-soft)}
.rf5-feature__icon{flex:0 0 auto;width:52px;height:52px;display:inline-flex;align-items:center;justify-content:center;border-radius:14px;background:var(--accent-soft);color:var(--accent-2)}
.rf5-feature__body{display:flex;flex-direction:column;gap:6px;min-width:0}
.rf5-feature__title{font:600 17px/1.35 var(--font-body);margin:0;color:var(--text-main)}
.rf5-feature__text{margin:0;color:var(--text-muted);font-size:15.5px}
.rf5-cards,.rf5-cards-grid{display:grid;gap:var(--sp-2);grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr))}
.rf5-card{display:flex;flex-direction:column;gap:10px;min-width:0;background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius);padding:var(--sp-2)}
.rf5-card h3{margin:0;font-size:19px}
.rf5-card p{margin:0;color:var(--text-muted);font-size:15.5px}

/* ============ 9. Content panel / facts / score / two-cols ============ */
.rf5-panel{display:flex;flex-direction:column;gap:var(--sp-1);background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius);padding:var(--sp-2)}
.rf5-panel__title,.rf5-toc__title{font:600 12px/1 var(--font-body);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-2);margin:0}
.rf5-facts{display:flex;flex-direction:column;margin:0}
.rf5-facts__row{display:flex;justify-content:space-between;gap:16px;padding-block:10px;border-bottom:1px solid var(--border-soft)}
.rf5-facts__row:last-child{border-bottom:0}
.rf5-facts dt{color:var(--text-muted);font-size:14.5px}
.rf5-facts dd{margin:0;font:500 14.5px/1.5 var(--font-mono);color:var(--text-main);text-align:right}
.rf5-checklist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.rf5-checklist li{display:flex;align-items:flex-start;gap:10px;color:var(--text-muted);font-size:15px}
.rf5-checklist .rf5-icon{width:1.25em;height:1.25em;margin-top:3px;color:var(--ok)}
.rf5-mini-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.rf5-mini-stat{display:flex;flex-direction:column;gap:2px;min-width:0;background:var(--bg-main);border:1px solid var(--border-soft);border-radius:var(--radius-s);padding:12px}
.rf5-mini-stat__value{font:500 20px/1.2 var(--font-mono);color:var(--accent-2)}
.rf5-mini-stat__label{font-size:12.5px;color:var(--text-muted)}
.rf5-score{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.rf5-score__value{position:relative;font:500 clamp(40px,6vw,56px)/1 var(--font-mono);letter-spacing:-.02em;color:var(--text-main);padding-bottom:12px;border-bottom:3px solid var(--accent)}
.rf5-score__mark{position:absolute;right:-24px;bottom:-7px;width:16px;height:16px;color:var(--accent-2)}
.rf5-score__label{font:500 12.5px/1.4 var(--font-mono);color:var(--text-muted)}
.rf5-cols,.rf5-two-cols{display:grid;gap:var(--sp-3);grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);align-items:start}
@media (max-width:899px){.rf5-cols,.rf5-two-cols{grid-template-columns:minmax(0,1fr)}}
@media (min-width:900px){.rf5-cols__aside,.rf5-two-cols__aside,.rf5-aside-sticky{position:sticky;top:32px}}

/* ============ 10. Numbered list / stats (tiles) / categories ============ */
.rf5-numlist,.rf5-numbered-list{list-style:none;counter-reset:rf5-steps;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--sp-2)}
.rf5-numlist>li,.rf5-numbered-list>li{counter-increment:rf5-steps;position:relative;padding-left:56px;min-width:0}
.rf5-numlist>li::before,.rf5-numbered-list>li::before{content:counter(rf5-steps,decimal-leading-zero);position:absolute;left:0;top:3px;font:500 15px/1.5 var(--font-mono);color:var(--accent-2)}
.rf5-stats,.rf5-stats-bar{display:grid;gap:var(--sp-2);grid-template-columns:repeat(auto-fit,minmax(min(170px,100%),1fr))}
.rf5-stat{display:flex;flex-direction:column;gap:6px;min-width:0;background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius);padding:var(--sp-2)}
.rf5-stat__value{font:500 clamp(26px,3vw,34px)/1.1 var(--font-mono);color:var(--accent-2)}
.rf5-stat__label{font-size:13.5px;color:var(--text-muted)}
.rf5-tags,.rf5-categories-bar{display:flex;flex-wrap:wrap;gap:10px}
.rf5-tag{display:inline-flex;align-items:center;gap:8px;padding:12px 16px;border-radius:999px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-muted);font:500 14px/1 var(--font-body);text-decoration:none;cursor:pointer}
.rf5-tag:hover{color:var(--accent-2);border-color:var(--accent-2);text-decoration:none}
.rf5-tag.is-active{background:var(--accent);border-color:var(--accent);color:var(--cta-text)}

/* ============ 11. Tables ============ */
.rf5-table-wrap{overflow-x:auto;max-width:100%;margin-block:1.5rem}
.rf5-table-wrap--card{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius);padding:6px}
.rf5-table{width:100%;border-collapse:collapse;font-size:15px;min-width:600px}
.rf5-table th{white-space:nowrap;text-align:left;font:600 12px/1.5 var(--font-body);letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);padding:12px 14px;border-bottom:2px solid var(--border)}
.rf5-table td{padding:12px 14px;border-bottom:1px solid var(--border-soft);color:var(--text-main);vertical-align:top}
.rf5-table tr:last-child td{border-bottom:0}
.rf5-table tbody tr:hover{background:var(--accent-soft)}
.rf5-table td .rf5-icon{width:1.25em;height:1.25em;margin-inline-end:8px;vertical-align:-.2em;color:var(--accent-2)}

/* ============ 12. rtp-grid (mandatory responsive 2→3→4, centered fill) ============ */
.rf5-rtp{display:grid;gap:clamp(.6rem,1.5vw,1rem);grid-template-columns:repeat(2,minmax(0,1fr))}
@media (min-width:640px){.rf5-rtp{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (min-width:960px){.rf5-rtp{grid-template-columns:repeat(4,minmax(0,1fr))}}
.rf5-rtp-item{position:relative;overflow:hidden;min-width:0;background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius-s)}
.rf5-rtp-item__thumb{display:block;aspect-ratio:3/2;position:relative;background:linear-gradient(135deg,var(--bg-raise),var(--bg-card))}
.rf5-rtp-item__thumb img{width:100%;height:100%;object-fit:cover;display:block}
.rf5-rtp-item__name{font:500 13.5px/1.35 var(--font-mono);color:var(--text-main);padding:10px 12px}
.rf5-rtp-tooltip{position:absolute;bottom:0;left:0;right:0;padding:10px 12px;background:var(--overlay);color:var(--text-main);font:500 12.5px/1.4 var(--font-mono);opacity:0;transition:opacity .2s}
.rf5-rtp-item:hover .rf5-rtp-tooltip{opacity:1}

/* ============ 13. FAQ (single column) ============ */
.rf5-faq{display:flex;flex-direction:column}
.rf5-faq details{border-bottom:1px solid var(--border)}
.rf5-faq summary{cursor:pointer;padding:1rem 0;font-weight:600;list-style:none;font-size:16.5px;color:var(--text-main)}
.rf5-faq summary::-webkit-details-marker{display:none}
.rf5-faq summary::before{content:'+';margin-right:.5rem;transition:transform .2s;color:var(--accent-2);font-family:var(--font-mono)}
.rf5-faq details[open] summary::before{content:'−'}
.rf5-faq details>:not(summary){padding:.5rem 0 1rem;color:var(--text-muted);font-size:15.5px}

/* ============ 14. TOC / legal-body ============ */
.rf5-toc{display:flex;flex-direction:column;gap:10px;background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius);padding:var(--sp-2)}
.rf5-toc ol{list-style:none;counter-reset:rf5-toc;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.rf5-toc li{counter-increment:rf5-toc}
.rf5-toc a{display:flex;gap:10px;padding:8px 10px;border-radius:10px;color:var(--text-muted);font-size:14.5px;text-decoration:none}
.rf5-toc a::before{content:counter(rf5-toc,decimal-leading-zero);font:500 12px/1.7 var(--font-mono);color:var(--accent-2)}
.rf5-toc a:hover{color:var(--accent-2);background:var(--accent-soft);text-decoration:none}
.rf5-legal,.rf5-legal-body{counter-reset:rf5-sec;display:flex;flex-direction:column;gap:var(--sp-2)}
.rf5-legal h2,.rf5-legal-body h2{counter-increment:rf5-sec;display:flex;gap:12px;align-items:baseline;font-size:clamp(21px,2.6vw,25px)}
.rf5-legal h2::before,.rf5-legal-body h2::before{content:"§ " counter(rf5-sec);flex:none;font:500 14px/1 var(--font-mono);letter-spacing:.05em;color:var(--accent-2)}
.rf5-legal p,.rf5-legal-body p{color:var(--text-muted)}
.rf5-legal h3,.rf5-legal-body h3{font-size:19px}

/* ============ 15. CTA block ============ */
.rf5-cta,.rf5-cta-block{background:var(--accent);border-radius:var(--radius);padding-block:var(--section-pad)}
.rf5-cta .rf5-container{display:flex;flex-direction:column;align-items:center;gap:var(--sp-2);text-align:center}
.rf5-cta h2{color:var(--cta-text)}
.rf5-cta p{color:var(--on-accent-muted);max-width:60ch}
.rf5-cta .rf5-btn{background:var(--cta-text);color:var(--cta-hover-text)}
.rf5-cta .rf5-btn:hover{background:var(--cta-hover)}
.rf5-cta .rf5-fine,.rf5-cta .rf5-micro{color:var(--on-accent-muted)}
.rf5-cta .rf5-hero__cta,.rf5-cta .rf5-cta__actions{justify-content:center}

/* ============ 16. TRUST components: disclosure, verdict, bars, pros-cons, checklist, calc, quiz, fact-check ============ */
.rf5-disclosure{background:var(--bg-card);border-left:3px solid var(--accent);border-radius:0 var(--radius-s) var(--radius-s) 0;padding:14px 18px;font-size:14px;color:var(--text-muted);line-height:1.6}
.rf5-quickfacts,.rf5-quick-facts{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius);padding:var(--sp-2)}
.rf5-verdict,.rf5-verdict-box{display:flex;flex-direction:column;gap:var(--sp-2);background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius);padding:var(--sp-3)}
.rf5-verdict__line,.rf5-verdict-box__line{font:500 13.5px/1.7 var(--font-mono);color:var(--text-muted);border-top:1px solid var(--border-soft);padding-top:var(--sp-1)}
.rf5-bars,.rf5-rating-bars{display:flex;flex-direction:column;gap:var(--sp-2)}
.rf5-bar{display:flex;flex-direction:column;gap:8px;min-width:0}
.rf5-bar__head{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.rf5-bar__name{font-weight:600;font-size:15.5px}
.rf5-bar__meta{font:500 13px/1.6 var(--font-mono);color:var(--text-muted);white-space:nowrap}
.rf5-bar__track{height:8px;background:var(--line);border-radius:999px;overflow:hidden}
.rf5-bar__fill{height:100%;background:var(--accent);border-radius:999px;transition:width .6s cubic-bezier(.2,.7,.3,1)}
.rf5-proscons,.rf5-pros-cons{display:grid;gap:var(--sp-2);grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr))}
.rf5-proscons__col,.rf5-pros-cons__col{display:flex;flex-direction:column;gap:var(--sp-1);min-width:0;background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius);padding:var(--sp-2)}
.rf5-proscons__title,.rf5-pros-cons__title{display:flex;align-items:center;gap:8px;font:600 12px/1 var(--font-body);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-2);margin:0}
.rf5-proscons ul,.rf5-pros-cons ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.rf5-proscons li,.rf5-pros-cons li{display:flex;flex-direction:column;gap:6px;color:var(--text-muted);font-size:15px}
.rf5-proscons li>.rf5-row,.rf5-pros-cons li>.rf5-row{display:flex;gap:10px;align-items:flex-start}
.rf5-proscons__answer,.rf5-pros-cons__answer{padding:10px 12px;border-radius:var(--radius-s);background:var(--accent-soft);color:var(--text-main);font-size:14px}
.rf5-check{display:flex;flex-direction:column;gap:var(--sp-1)}
.rf5-check__row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0;padding:12px 14px;background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius-s);font-size:15px}
.rf5-check__status{flex:none;font:500 12.5px/1 var(--font-mono);padding:6px 10px;border-radius:8px}
.rf5-check__status--ok{background:var(--chip-ok);color:var(--ok)}
.rf5-check__status--todo{background:var(--chip-amber);color:var(--amber)}
.rf5-calc,.rf5-calculator{display:grid;gap:var(--sp-2);grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr))}
.rf5-field{display:flex;flex-direction:column;gap:6px;min-width:0}
.rf5-field label{font:600 12.5px/1.4 var(--font-body);letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}
.rf5-field input,.rf5-field select{width:100%;background:var(--bg-main);border:1px solid var(--border);border-radius:var(--radius-s);color:var(--text-main);font:500 15px/1.4 var(--font-mono);padding:12px 14px}
.rf5-field input[type="range"]{background:transparent;border:0;border-radius:0;padding:10px 2px;accent-color:var(--accent-2);color:var(--accent-2);cursor:pointer}
.rf5-calc__output{grid-column:1/-1;display:flex;flex-direction:column;gap:6px;background:var(--panel-info);border-radius:var(--radius);padding:var(--sp-2);font:500 15px/1.7 var(--font-mono)}
.rf5-taxnote{background:var(--panel-info);border-radius:var(--radius-s);padding:var(--sp-2);font-size:15px;color:var(--text-muted)}
.rf5-quiz{display:flex;flex-direction:column;gap:var(--sp-2)}
.rf5-quiz__q{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius);padding:var(--sp-2);display:flex;flex-direction:column;gap:12px}
.rf5-quiz__q p{font-weight:600}
.rf5-quiz__opts{display:flex;gap:10px}
.rf5-quiz__opts label{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 14px;border:1px solid var(--border);border-radius:999px;cursor:pointer;font:500 14px/1.2 var(--font-body);color:var(--text-muted)}
.rf5-quiz__opts input{position:absolute;opacity:0;width:1px;height:1px}
.rf5-quiz__opts label:has(input:checked){background:var(--accent);border-color:var(--accent);color:var(--cta-text)}
.rf5-quiz__opts label:has(input:focus-visible){outline:2px solid var(--accent-2);outline-offset:2px}
.rf5-quiz__result{background:var(--panel-info);border-radius:var(--radius);padding:var(--sp-2);color:var(--text-muted)}
.rf5-factcheck__filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:var(--sp-2)}

/* ============ 17. Sticky nav / chat widget ============ */
.rf5-stickynav,.rf5-sticky-nav{position:fixed;left:0;right:0;bottom:0;z-index:900;display:none;background:var(--header-bg);border-top:1px solid var(--border);padding:8px env(safe-area-inset-bottom) 8px}
.rf5-stickynav a,.rf5-sticky-nav a{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--text-muted);font-size:11px;text-decoration:none;padding:6px 10px}
.rf5-stickynav a:hover,.rf5-sticky-nav a:hover{color:var(--accent-2);text-decoration:none}
@media (max-width:767px){.rf5-stickynav,.rf5-sticky-nav{display:flex;justify-content:space-around;align-items:center;gap:4px}}
.rf5-chat-btn{position:fixed;right:18px;bottom:18px;z-index:950;width:52px;height:52px;border-radius:50%;background:var(--accent);color:var(--cta-text);border:0;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow)}
.rf5-chat{position:fixed;right:18px;bottom:84px;z-index:951;width:min(340px,calc(100vw - 36px));background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:var(--sp-2);display:none}
.rf5-chat.is-open{display:block}
@media (max-width:767px){.rf5-chat-btn{bottom:76px}.rf5-chat{bottom:142px}}

/* ============ 18. Footer ============ */
.rf5-footer{background:var(--header-bg);border-top:1px solid var(--border);padding-block:var(--sp-4) var(--sp-2)}
.rf5-footer__grid{display:grid;gap:var(--sp-3);grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1.1fr)}
@media (max-width:859px){.rf5-footer__grid{grid-template-columns:minmax(0,1fr)}}
.rf5-footer__brand{display:flex;flex-direction:column;gap:var(--sp-1);align-items:flex-start}
.rf5-footer__desc{color:var(--text-muted);font-size:14.5px;margin:0}
.rf5-footer__disclosure{color:var(--text-muted);font-size:13.5px;margin:0;padding:12px 14px;background:var(--bg-main);border-left:3px solid var(--accent);border-radius:0 10px 10px 0}
.rf5-footer__title{font:600 12px/1 var(--font-body);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-2);margin:0 0 14px}
.rf5-footer__nav ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.rf5-footer__nav a,.rf5-footer__help a{color:var(--text-muted);font-size:14.5px;text-decoration:none}
.rf5-footer__nav a:hover,.rf5-footer__help a:hover{color:var(--accent-2);text-decoration:underline}
.rf5-footer__help{display:flex;flex-direction:column;gap:6px;color:var(--text-muted);font-size:14.5px}
.rf5-footer__phone{font:500 20px/1.2 var(--font-mono);color:var(--text-main)}
.rf5-footer__contact{margin:0}
.rf5-footer__micro{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:var(--sp-3) 0 0;padding:12px 16px;background:var(--chip-neutral);border-radius:10px;color:var(--text-muted);font-size:13.5px}
.rf5-footer__bar{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:var(--sp-2);padding-top:var(--sp-2);border-top:1px solid var(--border-soft)}
.rf5-footer__copy{margin:0;color:var(--text-muted);font-size:13px}

/* ============ 19. Motion discipline ============ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}
/* sa-responsive-net */
table th{white-space:nowrap}
figure,blockquote,dl,dd,fieldset{margin:0}
/* sa-logo-chip */
.rf5-footer .rf5-logo__img{filter:none;background:transparent;padding:0}
.rf5-footer .rf5-footer__logo-chip{background:transparent;padding:0}
/* sa-logo-fit */
.rf5-logo__img{object-fit:contain}
/* sa-ph-media */
.rf5-page-header:has(.rf5-hero__img){position:relative;overflow:hidden;isolation:isolate;min-height:clamp(200px,30vh,300px);display:flex;flex-direction:column;justify-content:center}
.rf5-page-header:has(.rf5-hero__img) .rf5-hero__img{position:absolute;inset:0;width:100%;height:100%;max-height:none;aspect-ratio:auto;object-fit:cover;margin:0;z-index:0}
.rf5-page-header:has(.rf5-hero__img)::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(10,12,18,.72),rgba(10,12,18,.5))}
:where(.rf5-page-header:has(.rf5-hero__img)>:not(.rf5-hero__img)){position:relative}
.rf5-page-header:has(.rf5-hero__img)>:not(.rf5-hero__img){z-index:2}
.rf5-page-header:has(.rf5-hero__img),.rf5-page-header:has(.rf5-hero__img) h1,.rf5-page-header:has(.rf5-hero__img) a,.rf5-page-header:has(.rf5-hero__img) p,.rf5-page-header:has(.rf5-hero__img) li,.rf5-page-header:has(.rf5-hero__img) span{color:#fff}
/* sa-hero-media */
.rf5-hero:has(>.rf5-hero__img){position:relative;isolation:isolate}
.rf5-hero:has(>.rf5-hero__img)>.rf5-hero__img{z-index:0}
.rf5-hero:has(>.rf5-hero__img)::after{z-index:1}
:where(.rf5-hero:has(>.rf5-hero__img)>:not(.rf5-hero__img)){position:relative}
.rf5-hero:has(>.rf5-hero__img)>:not(.rf5-hero__img){z-index:2}
/* sa-rhythm v3 */
:where(.rf5-table-wrap){margin-block:1.5rem}
:where(main) :where(ul,ol,table,.rf5-table-wrap)+p{margin-block-start:1rem}
main :is(ul,ol,table,.rf5-table-wrap,.rf5-rtp,.rf5-steps,.rf5-cards,.rf5-features)+:is(.rf5-actions,div:has(>.rf5-btn),p:has(>.rf5-btn)){margin-block-start:1.25rem}
/* sa-table-thead */
.rf5-table-wrap thead th,.rf5-table-wrap thead{position:static}
/* sa-slot-link v2 */
.rf5-rtp-item,.rf5-rtp-item:hover,.rf5-rtp-item:focus{color:inherit;text-decoration:none;cursor:pointer}
:where(.rf5-rtp-item){display:block}
/* sa-rtp-touch */
.rf5-rtp-item__thumb{display:block}
@media (hover:none){.rf5-rtp-item__thumb{aspect-ratio:auto;overflow:visible}.rf5-rtp-item__thumb img{height:auto}.rf5-rtp-tooltip{position:static;opacity:1;background:transparent;border-top:0;padding:.4rem .7rem 0;font-size:.74rem;line-height:1.35}.rf5-rtp-item__name{padding-top:.35rem}}
/* sa-table-hint: fade hint that a table card scrolls sideways on small screens */
@media (max-width:639px){
  .rf5-table-wrap{position:relative}
  .rf5-table-wrap::after{content:"";position:absolute;top:6px;bottom:6px;right:0;width:18px;pointer-events:none;background:linear-gradient(90deg,transparent,var(--bg-card))}
}