/* ============================================================
   Red Sea Futures — Design System (rsf-ds.css)
   Tokens + self-hosted webfonts + shared component classes.
   Generated from the Homepage / How We Work / For Law Firms
   design-canvas mockups via scripts/extract_mockup.py.
   ============================================================ */

/* ============================================================
   Red Sea Futures — Color tokens
   Brand: yellow tree mark on black. Big Red AI = red sub-brand.
   Palette is disciplined: ink + paper neutrals, one yellow accent,
   one red signal. Minimalist & crisp — accents used sparingly.
   ============================================================ */
:root {
  /* --- Brand core --- */
  --rsf-yellow: #FFCE00;        /* Perim yellow — the tree, primary accent */
  --rsf-yellow-deep: #F2B500;   /* pressed / shadow yellow */
  --rsf-yellow-soft: #FFE680;   /* tint */
  --rsf-yellow-wash: #FFF7D6;   /* faint highlight surface */

  --rsf-red: #C4212C;           /* Big Red AI signal red */
  --rsf-red-deep: #9E1820;      /* pressed red */
  --rsf-red-soft: #E8848A;
  --rsf-red-wash: #FBEAEB;

  --rsf-black: #0C0C0C;         /* the brand black — backgrounds */
  --rsf-ink: #161514;           /* slightly raised black surface */

  /* --- Warm neutral ramp (paper → ink) --- */
  --neutral-0:   #FFFFFF;
  --neutral-50:  #F7F6F2;
  --neutral-100: #EFEDE7;
  --neutral-200: #E1DFD7;
  --neutral-300: #C9C6BB;
  --neutral-400: #A6A296;
  --neutral-500: #7C786C;
  --neutral-600: #585449;
  --neutral-700: #3D3A33;
  --neutral-800: #262420;
  --neutral-900: #161514;
  --neutral-950: #0C0C0C;

  /* --- Semantic signals --- */
  --signal-positive: #1F7A4D;
  --signal-positive-wash: #E6F2EB;
  --signal-warning: #B7791F;
  --signal-warning-wash: #FBF1DC;
  --signal-critical: var(--rsf-red);
  --signal-critical-wash: var(--rsf-red-wash);
  --signal-info: #2A5B8C;
  --signal-info-wash: #E7EFF6;

  /* ======================================================
     Semantic aliases — LIGHT (default, the marketing surface)
     ====================================================== */
  --bg: var(--neutral-0);
  --bg-sunken: var(--neutral-50);
  --surface: var(--neutral-0);
  --surface-raised: var(--neutral-0);
  --surface-card: var(--neutral-0);
  --surface-inset: var(--neutral-50);

  --text: var(--neutral-950);
  --text-secondary: var(--neutral-600);
  --text-muted: var(--neutral-500);
  --text-faint: var(--neutral-400);
  --text-inverse: var(--neutral-0);
  --text-on-accent: var(--rsf-black);   /* black on yellow */

  --border: var(--neutral-200);
  --border-strong: var(--neutral-300);
  --border-faint: var(--neutral-100);
  --hairline: color-mix(in oklab, var(--neutral-950) 10%, transparent);

  --accent: var(--rsf-yellow);
  --accent-hover: var(--rsf-yellow-deep);
  --accent-text: var(--rsf-black);
  --accent-quiet: var(--rsf-yellow-wash);

  --focus-ring: color-mix(in oklab, var(--rsf-yellow) 55%, var(--neutral-950));
  --selection-bg: var(--rsf-yellow);
  --selection-text: var(--rsf-black);

  --ink: var(--rsf-black);   /* primary dark for buttons/marks on light */
}

/* ======================================================
   DARK theme — the signature "yellow on black" surface.
   Apply with [data-theme="dark"] on any container.
   ====================================================== */
[data-theme="dark"] {
  --bg: var(--rsf-black);
  --bg-sunken: #080808;
  --surface: var(--rsf-ink);
  --surface-raised: #1E1C1A;
  --surface-card: var(--rsf-ink);
  --surface-inset: #0A0A0A;

  --text: var(--neutral-50);
  --text-secondary: var(--neutral-300);
  --text-muted: var(--neutral-400);
  --text-faint: var(--neutral-500);
  --text-inverse: var(--rsf-black);
  --text-on-accent: var(--rsf-black);

  --border: color-mix(in oklab, var(--neutral-0) 14%, transparent);
  --border-strong: color-mix(in oklab, var(--neutral-0) 26%, transparent);
  --border-faint: color-mix(in oklab, var(--neutral-0) 8%, transparent);
  --hairline: color-mix(in oklab, var(--neutral-0) 12%, transparent);

  --accent: var(--rsf-yellow);
  --accent-hover: var(--rsf-yellow-soft);
  --accent-text: var(--rsf-black);
  --accent-quiet: color-mix(in oklab, var(--rsf-yellow) 16%, transparent);

  --ink: var(--rsf-yellow);
}

::selection { background: var(--selection-bg); color: var(--selection-text); }
/* ============================================================
   Red Sea Futures — Typography tokens
   Three voices mirroring the hybrid-intelligence story:
   · Grotesque (Hanken)  = clarity / UI / the machine's legibility
   · Serif (Newsreader)  = human judgment / editorial authority
   · Mono (IBM Plex Mono)= the agentic platform / data & method labels
   SUBSTITUTION: real brand fonts not provided — see fonts.css.
   ============================================================ */
:root {
  /* Families */
  --font-sans:  "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Playfair Display", "Newsreader", Georgia, serif;
  --font-mono:  var(--font-sans);  /* retired: was IBM Plex Mono — all mono labels harmonized to tracked sans to match /who-we-are (the Experts page) */

  --font-display: var(--font-serif);  /* headlines: high-contrast display serif — matches live (Playfair Display) */
  --font-body:    var(--font-sans);
  --font-editorial: var(--font-serif); /* pull quotes, longform, emphasis */
  --font-eyebrow: var(--font-sans);    /* section labels — tracked sans, matches live */

  /* Type scale — modular, ~1.22 with a tighter display jump */
  --text-2xs: 0.6875rem;  /* 11 */
  --text-xs:  0.75rem;    /* 12 */
  --text-sm:  0.875rem;   /* 14 */
  --text-base:1rem;       /* 16 */
  --text-md:  1.0625rem;  /* 17 — comfortable reading */
  --text-lg:  1.25rem;    /* 20 */
  --text-xl:  1.5rem;     /* 24 */
  --text-2xl: 1.875rem;   /* 30 */
  --text-3xl: 2.375rem;   /* 38 */
  --text-4xl: 3rem;       /* 48 */
  --text-5xl: 3.75rem;    /* 60 */
  --text-6xl: 4.75rem;    /* 76 */
  --text-7xl: 6.25rem;    /* 100 */

  /* Weights */
  --weight-light: 300;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-heavy: 800;

  /* Line heights */
  --leading-none: 1;
  --leading-tight: 1.08;
  --leading-snug: 1.2;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;

  /* Tracking — tight on display, open on mono eyebrows */
  --tracking-tighter: -0.035em;
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.02em;
  --tracking-eyebrow: 0.16em;   /* uppercase mono labels */

  /* Semantic roles */
  --display-tracking: var(--tracking-tight);
  --display-leading: var(--leading-tight);
  --display-weight: var(--weight-bold);

  --body-size: var(--text-md);
  --body-leading: var(--leading-relaxed);
  --body-weight: var(--weight-regular);

  --eyebrow-size: var(--text-xs);
  --eyebrow-tracking: var(--tracking-eyebrow);
}
/* ============================================================
   Red Sea Futures — Spacing, sizing & layout tokens
   4px base grid. Generous, architectural whitespace —
   the brand reads as composed and unhurried.
   ============================================================ */
:root {
  --space-0: 0;
  --space-px: 1px;
  --space-0-5: 0.125rem; /* 2 */
  --space-1: 0.25rem;    /* 4 */
  --space-1-5: 0.375rem; /* 6 */
  --space-2: 0.5rem;     /* 8 */
  --space-3: 0.75rem;    /* 12 */
  --space-4: 1rem;       /* 16 */
  --space-5: 1.25rem;    /* 20 */
  --space-6: 1.5rem;     /* 24 */
  --space-8: 2rem;       /* 32 */
  --space-10: 2.5rem;    /* 40 */
  --space-12: 3rem;      /* 48 */
  --space-16: 4rem;      /* 64 */
  --space-20: 5rem;      /* 80 */
  --space-24: 6rem;      /* 96 */
  --space-32: 8rem;      /* 128 */
  --space-40: 10rem;     /* 160 */

  /* Section rhythm */
  --section-gap: clamp(4rem, 9vw, 8.5rem);
  --block-gap: clamp(2rem, 4vw, 3.5rem);

  /* Containers */
  --container-xs: 30rem;
  --container-sm: 42rem;     /* longform measure */
  --container-md: 56rem;
  --container-lg: 72rem;
  --container-xl: 80rem;     /* full marketing width */
  --gutter: clamp(1.25rem, 5vw, 5rem); /* @kind spacing */

  --measure: 66ch; /* ideal reading line length @kind spacing */
}
/* ============================================================
   Red Sea Futures — Effects: radii, borders, shadows, motion
   Crisp & restrained. Small radii, hairline borders, low-spread
   shadows. Nothing glossy — authority comes from precision.
   ============================================================ */
:root {
  /* Radii — tight. Cards barely rounded; pills only for tags/avatars */
  --radius-none: 0;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-xl: 16px;
  --radius-pill: 999px;
  --radius-card: var(--radius-md);

  /* Borders */
  --border-width: 1px;
  --border-width-strong: 1.5px;
  --border-hairline: 1px solid var(--hairline);
  --border-default: 1px solid var(--border);
  --border-emphasis: 1.5px solid var(--text);

  /* Shadows — soft, neutral, low alpha. Used sparingly. */
  --shadow-xs: 0 1px 2px rgba(12,12,12,0.05);
  --shadow-sm: 0 1px 2px rgba(12,12,12,0.06), 0 2px 6px rgba(12,12,12,0.04);
  --shadow-md: 0 2px 4px rgba(12,12,12,0.05), 0 8px 20px rgba(12,12,12,0.07);
  --shadow-lg: 0 4px 8px rgba(12,12,12,0.06), 0 20px 48px rgba(12,12,12,0.10);
  --shadow-focus: 0 0 0 3px var(--accent-quiet);
  --shadow-inset: inset 0 1px 2px rgba(12,12,12,0.06);

  /* Glass / blur — used only on overlays & sticky nav over imagery */
  --blur-sm: 6px;  /* @kind other */
  --blur-md: 14px; /* @kind other */
  --blur-lg: 28px; /* @kind other */
  --scrim: linear-gradient(180deg, rgba(12,12,12,0) 0%, rgba(12,12,12,0.75) 100%); /* @kind other */
  --scrim-strong: linear-gradient(180deg, rgba(12,12,12,0.1) 0%, rgba(12,12,12,0.92) 100%); /* @kind other */

  /* Motion — quiet, precise easing. Fades & short slides, no bounce. */
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);    /* @kind other */
  --ease-in-out: cubic-bezier(0.65, 0.05, 0.36, 1); /* @kind other */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);    /* @kind other */
  --dur-fast: 120ms;   /* @kind other */
  --dur-base: 200ms;   /* @kind other */
  --dur-slow: 380ms;   /* @kind other */
  --dur-slower: 640ms; /* @kind other */
  --transition-base: all var(--dur-base) var(--ease-out); /* @kind other */

  /* Z-index ladder */
  --z-base: 0;       /* @kind other */
  --z-raised: 10;    /* @kind other */
  --z-sticky: 100;   /* @kind other */
  --z-overlay: 1000; /* @kind other */
  --z-modal: 1100;   /* @kind other */
  --z-toast: 1200;   /* @kind other */
}

@media (prefers-reduced-motion: reduce) {
  :root { --dur-fast: 0ms; /* @kind other */ --dur-base: 0ms; /* @kind other */ --dur-slow: 0ms; /* @kind other */ --dur-slower: 0ms; /* @kind other */ }
}

/* Brand webfonts were not provided with the mockups. These are documented
   substitutions chosen to match the wordmark (grotesque) + editorial gravitas.
   Swap the @font-face src values and the --font-* tokens when the real brand
   fonts are supplied. */

@font-face {
  font-family: 'Hanken Grotesk';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-400-italic-0.woff2") format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-400-italic-1.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;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-400-italic-2.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-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-400-italic-3.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;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-500-italic-0.woff2") format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-500-italic-1.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;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-500-italic-2.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-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-500-italic-3.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;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-300-4.woff2") format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-300-5.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;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-300-6.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-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-300-7.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;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-400-4.woff2") format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-400-5.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;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-400-6.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-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-400-7.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;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-500-4.woff2") format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-500-5.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;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-500-6.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-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-500-7.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;
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/hanken-grotesk-600-4.woff2") format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
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}
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}
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/* ---- Base image reset ----
   Sitewide safety net so no <img> can overflow a small viewport.
   Keeps width/height attributes intact for CLS (browsers derive an
   aspect-ratio from them automatically), just caps the rendered box.
   Elements that intentionally fill their container (hero __bg /
   quote-band __bg, both position:absolute + width/height:100%) are
   class-selector rules and win on specificity, so this is additive,
   not overridden-and-ignored. */
img { max-width: 100%; height: auto; }

/* ---- Button (replaces DS <Button>; 11 instances across 3 pages) ---- */
.rsf-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-sans); font-size: 15px; font-weight: 600;
  line-height: 1; padding: 14px 24px; border-radius: 4px;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: background-color .15s ease, border-color .15s ease;
}
.rsf-btn--accent { background: var(--accent); color: var(--accent-text); }
.rsf-btn--accent:hover { background: var(--accent-hover); }
.rsf-btn--ghost {
  background: transparent; color: var(--neutral-50);
  border-color: color-mix(in oklab, white 30%, transparent);
}
.rsf-btn--ghost:hover { border-color: var(--neutral-50); }
.rsf-btn--sm { font-size: 13.5px; padding: 10px 18px; }
.rsf-btn:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }

/* ---- Eyebrow (tracked-sans kicker above headings) ---- */
.rsf-eyebrow {
  font-family: var(--font-eyebrow); font-size: 12px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--rsf-yellow);
}
/* Muted variant — the mockups use gold for hero/feature eyebrows but a
   quieter grey (var(--text-muted)) for utilitarian section labels
   (Areas of expertise, Pricing, Latest Intelligence, The platform, …).
   Matches the per-mockup eyebrow colour map. */
.rsf-eyebrow--muted { color: var(--text-muted); }

/* ---- Stat (6 instances) ---- */
.rsf-stat { display: flex; flex-direction: column; }
.rsf-stat__value {
  font-family: var(--font-display); font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700; letter-spacing: -.03em; line-height: 1; color: var(--text);
}
.rsf-stat__label {
  font-family: var(--font-sans); font-size: 15px; font-weight: 600;
  margin-top: 10px; color: var(--text);
}
.rsf-stat__note {
  font-family: var(--font-sans); font-size: 14px; line-height: 1.5;
  margin-top: 6px; color: var(--text-secondary);
}

/* ---- Card (22 instances) ---- */
/* text-decoration:none — some cards are <a> wrappers (the homepage Latest
   Intelligence cards are built as anchors by the Substack loader). The UA
   underline on the anchor propagates into the card's <h3>/<h4> title even
   though the title itself computes text-decoration-line:none, which the
   mockup does not have. Reset it on the card, not the title. */
.rsf-card {
  background: var(--surface-card); border: 1px solid var(--border);
  border-radius: 6px; padding: 28px;
  text-decoration: none;
}
.rsf-card__title {
  font-family: var(--font-sans); font-size: 18px; font-weight: 600;
  line-height: 1.3; color: var(--text); margin: 0;
}
.rsf-card__body {
  font-family: var(--font-sans); font-size: 15px; line-height: 1.6;
  color: var(--text-secondary); margin: 10px 0 0;
}
/* Optional gold accent rule for a .rsf-card: wrap the title/body in this
   div rather than putting border-top on .rsf-card itself — border-top on
   the card puts the rule flush with the card's own top edge/rounded
   corners, while this inner wrapper keeps it inset by the card's own
   padding on both sides, matching the mockup (border-top:2px solid
   var(--rsf-yellow); padding-top:16px on an inner div, not the card). */
.rsf-card__accent { border-top: 2px solid var(--rsf-yellow); padding-top: 16px; }

/* ---- MethodStep (10 instances — numbered FRAME/MATCH/CERTIFY blocks) ----
   Stacked per the mockup, not the old auto/1fr two-column grid (which put
   "01 · ASSESS" to the left of the title — fine for 2-3 columns, but with 4
   across a row on /for-law-firms every column was too narrow, wrapping
   titles over three lines). Each column: a thin rule across the top, then
   the index+kicker on its own line (index gold, kicker muted grey), then
   the title, then the body. */
.rsf-step { border-top: 1.5px solid var(--text); padding-top: 26px; }
.rsf-step__num {
  display: block; margin-bottom: 14px;
  font-family: var(--font-eyebrow); font-size: var(--text-xs); letter-spacing: var(--tracking-eyebrow);
  color: var(--text-muted); white-space: nowrap;
}
.rsf-step__num-index { color: var(--rsf-yellow-deep); font-weight: 600; }
.rsf-step__num-label { color: var(--text-muted); }
.rsf-step__title {
  font-family: var(--font-display); font-size: var(--text-xl);
  font-weight: 700; letter-spacing: -.02em; line-height: 1.2;
  color: var(--text); margin: 0;
}
.rsf-step__body {
  font-family: var(--font-sans); font-size: 16px; line-height: 1.65;
  color: var(--text-secondary); margin: 12px 0 0;
}

/* ---- Input (1 instance — Legal Letter signup) ---- */
.rsf-input {
  font-family: var(--font-sans); font-size: 15px; padding: 13px 16px;
  border: 1px solid var(--border-strong); border-radius: 4px;
  background: var(--surface); color: var(--text); width: 100%;
}
.rsf-input:focus-visible {
  outline: 2px solid var(--focus-ring); outline-offset: 1px;
  border-color: transparent;
}

/* ---- Visually hidden (accessible-name-only labels, skip links, etc.) ----
   Mirrors .rsf-visually-hidden from the Webflow shared stylesheet
   (perim-site.webflow.shared.*.min.css) byte-for-byte, so pages that don't
   load that bundle (e.g. how-we-work.html, which loads only this design
   system) still get the class. Do not remove the Webflow definition — this
   is a second, independent copy, not a replacement. */
.rsf-visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

/* ============================================================
   2026 chrome refresh — new fan-mark logo + title-case nav
   Higher-specificity overrides beat the per-page inline header
   <style> (which lives later in <body>) via .rsfhdr-nav prefix.
   ============================================================ */
.rsfhdr-logo, .rsfftr-logo { display: inline-flex; align-items: center; gap: 9px; }
.rsfhdr-nav .rsfhdr-logo .rsflogo-mark { height: 30px; width: auto; }
.rsfhdr-nav .rsfhdr-logo .rsflogo-word { height: 17px; width: auto; }
.rsfftr-logo .rsflogo-mark { height: 26px; width: auto; }
.rsfftr-logo .rsflogo-word { height: 15px; width: auto; }
.rsfhdr-nav .rsfhdr-link,
.rsfhdr-nav .rsfhdr-cta { text-transform: none; letter-spacing: 0.005em; font-size: 0.9rem; }
.rsfhdr-nav .rsfhdr-cta { border-radius: 6px; font-weight: 600; }
.rsfftr-logo img { height: 34px; width: auto; }
.rsfftr-bottom-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.rsfftr-bottom-links a { color: inherit; text-decoration: none; }
.rsfftr-bottom-links a:hover { color: var(--rsf-yellow); }
@media (max-width: 640px){
  .rsfftr-bottom-links { gap: .9rem; }
}