/* =====================================================================
   FRONTIER CAPITAL SERVICES LLC — styles.css
   A single, maintainable design system.
   Monochromatic · editorial · institutional.
   All values are derived from the CSS custom properties below.
   ===================================================================== */

/* ---------------------------------------------------------------------
   1. DESIGN TOKENS
   --------------------------------------------------------------------- */
:root {
  /* Palette — warm neutral, no colour, restrained metallic */
  --ink:        #16171B;   /* soft black — primary text, dark sections   */
  --ink-deep:   #0E0F12;   /* deepest black — hero base                  */
  --graphite:   #3A3D44;   /* secondary text                            */
  --slate:      #6C7079;   /* muted labels, meta                        */
  --line:       #DED9CF;   /* hairline on warm white                    */
  --line-soft:  #ECE8E0;   /* faint hairline                            */
  --paper:      #F5F3EE;   /* warm white — page background              */
  --paper-2:    #EFEBE3;   /* alternate warm white section              */
  --pure:       #FCFBF8;   /* card / raised surface                     */
  --accent:     #8A8175;   /* muted pewter — used only in trace amounts */

  /* Dark-section tokens */
  --on-dark:        #E9E6DF;   /* body text on dark                     */
  --on-dark-mute:   #9A968E;   /* muted text on dark                    */
  --line-dark:      #2C2E33;   /* hairline on dark                      */

  /* Type families */
  --font-sans: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-serif: "Newsreader", Georgia, "Times New Roman", serif;

  /* Modular type scale (fluid) */
  --fs-eyebrow: 0.72rem;
  --fs-meta:    0.82rem;
  --fs-body:    1.0625rem;
  --fs-lead:    clamp(1.15rem, 1.02rem + 0.55vw, 1.5rem);
  --fs-h4:      1.15rem;
  --fs-h3:      clamp(1.35rem, 1.15rem + 0.9vw, 1.9rem);
  --fs-h2:      clamp(1.9rem, 1.4rem + 2.1vw, 3.1rem);
  --fs-h1:      clamp(2.6rem, 1.7rem + 4.0vw, 5.2rem);
  --fs-display: clamp(2.9rem, 1.6rem + 5.6vw, 6.6rem);

  /* Tracking */
  --track-eyebrow: 0.2em;
  --track-tight:  -0.02em;
  --track-tighter: -0.035em;

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --section-y: clamp(5rem, 3rem + 8vw, 11rem);   /* 80 → ~176px */

  /* Layout */
  --container: 1280px;
  --measure: 40rem;        /* ~640px comfortable reading column          */
  --measure-wide: 51rem;   /* ~816px                                     */

  /* Borders & radii */
  --hair: 1px;
  --radius: 2px;

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur-1: 240ms;
  --dur-2: 480ms;
  --dur-3: 900ms;

  /* Header */
  --header-h: 72px;
}

/* ---------------------------------------------------------------------
   2. RESET & BASE
   --------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.62;
  font-weight: 400;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, svg, video { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: var(--track-tight);
}

p { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }

ul { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
  border-radius: 1px;
}

::selection { background: var(--ink); color: var(--paper); }

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1.25rem;
  font-size: var(--fs-meta);
  letter-spacing: 0.05em;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ---------------------------------------------------------------------
   3. LAYOUT PRIMITIVES
   --------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 0.5rem + 3vw, 3.5rem);
}

.section { padding-block: var(--section-y); }
.section--tight { padding-block: clamp(3.5rem, 2rem + 5vw, 7rem); }

.measure { max-width: var(--measure); }
.measure-wide { max-width: var(--measure-wide); }

.divider {
  border: 0;
  border-top: var(--hair) solid var(--line);
  margin: 0;
}

/* Dark section theme */
.theme-dark {
  background: var(--ink);
  color: var(--on-dark);
}
.theme-dark .eyebrow { color: var(--on-dark-mute); }
.theme-dark .lead,
.theme-dark p { color: var(--on-dark); }
.theme-dark .muted { color: var(--on-dark-mute); }
.theme-dark .divider { border-top-color: var(--line-dark); }
.theme-dark a.link-quiet { color: var(--on-dark); }
.theme-dark a.link-quiet::after { background: var(--on-dark); }

/* ---------------------------------------------------------------------
   4. TYPOGRAPHY UTILITIES
   --------------------------------------------------------------------- */
.eyebrow {
  display: inline-block;
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--track-eyebrow);
  text-transform: uppercase;
  color: var(--slate);
  font-weight: 500;
  margin: 0 0 var(--space-3);
}

.display {
  font-size: var(--fs-display);
  font-weight: 300;
  letter-spacing: var(--track-tighter);
  line-height: 1.0;
}

.h1 { font-size: var(--fs-h1); font-weight: 300; letter-spacing: var(--track-tighter); }
.h2 { font-size: var(--fs-h2); font-weight: 350; }
.h3 { font-size: var(--fs-h3); font-weight: 400; }
.h4 { font-size: var(--fs-h4); font-weight: 500; letter-spacing: 0.01em; }

.lead {
  font-size: var(--fs-lead);
  line-height: 1.5;
  color: var(--graphite);
  font-weight: 350;
  letter-spacing: -0.01em;
}

.muted { color: var(--slate); }

/* Restrained serif — reserved for statements & pull-quotes only */
.serif {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.01em;
}

.statement {
  font-family: var(--font-serif);
  font-weight: 300;
  font-style: normal;
  font-size: clamp(1.8rem, 1.2rem + 2.6vw, 3.4rem);
  line-height: 1.18;
  letter-spacing: -0.015em;
}

/* Quiet closing mark under statements */
.whisper {
  font-size: var(--fs-meta);
  letter-spacing: 0.03em;
  color: var(--slate);
}

/* ---------------------------------------------------------------------
   5. LINKS & MICRO-INTERACTIONS
   --------------------------------------------------------------------- */
.link-quiet {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: var(--fs-meta);
  letter-spacing: 0.04em;
  color: var(--ink);
  padding-bottom: 2px;
}
.link-quiet::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: var(--hair);
  background: var(--ink);
  transform: scaleX(1);
  transform-origin: left;
  transition: transform var(--dur-1) var(--ease);
}
.link-quiet .arrow {
  transition: transform var(--dur-1) var(--ease);
}
.link-quiet:hover .arrow { transform: translateX(4px); }
.link-quiet:hover::after { transform: scaleX(0.72); }

.link-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-5);
}

/* ---------------------------------------------------------------------
   6. HEADER / NAVIGATION
   --------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: var(--paper);
  color: var(--ink);
  border-bottom: var(--hair) solid var(--line-soft);
  transition: box-shadow var(--dur-1) var(--ease);
}
.site-header.is-scrolled {
  box-shadow: 0 1px 0 var(--line-soft), 0 14px 34px -26px rgba(0, 0, 0, 0.4);
}

.header-inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 0.5rem + 3vw, 3.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}
.wordmark .logo {
  height: clamp(30px, 3.2vw, 42px);
  width: auto;
  display: block;
}
.wordmark .wm-mark { font-weight: 600; letter-spacing: 0.18em; }
.wordmark .wm-full { color: var(--slate); font-weight: 400; letter-spacing: 0.14em; }

.primary-nav { display: flex; align-items: center; gap: clamp(1.25rem, 2vw, 2.5rem); }
.nav-link {
  position: relative;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
  font-weight: 500;
  padding: 0.4rem 0;
  transition: color var(--dur-1) var(--ease);
}
.nav-link:hover,
.nav-link[aria-current="page"] { color: var(--ink); }
.nav-link.nav-cta { color: var(--ink); }
.nav-link.nav-cta::before {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  width: 100%; height: var(--hair);
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-1) var(--ease);
}
.nav-link.nav-cta:hover::before { transform: scaleX(1); transform-origin: left; }

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px; height: 34px;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  height: 1.5px;
  width: 22px;
  background: var(--ink);
  transition: transform var(--dur-1) var(--ease), opacity var(--dur-1) var(--ease);
}
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child  { transform: translateY(-3.25px) rotate(-45deg); }

/* Full-screen mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  padding: calc(var(--header-h) + 2rem) clamp(1.5rem, 6vw, 3rem) 3rem;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--dur-2) var(--ease), opacity var(--dur-2) var(--ease), visibility var(--dur-2);
}
.mobile-menu.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 0; margin-top: auto; margin-bottom: auto; }
.mobile-menu li { border-top: var(--hair) solid var(--line); }
.mobile-menu li:last-child { border-bottom: var(--hair) solid var(--line); }
.mobile-menu a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.35rem 0;
  font-size: 1.6rem;
  font-weight: 300;
  letter-spacing: -0.01em;
}
.mobile-menu a .idx {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--slate);
  font-weight: 500;
}
.mobile-menu .mm-foot {
  margin-top: 2.5rem;
  font-size: var(--fs-meta);
  color: var(--slate);
  letter-spacing: 0.04em;
}

body.menu-open { overflow: hidden; }
/* Header controls sit above the light full-screen menu — force them dark */
body.menu-open .site-header .wordmark,
body.menu-open .site-header .wordmark .wm-mark { color: var(--ink) !important; }
body.menu-open .site-header .wordmark .wm-full { color: var(--slate) !important; }
body.menu-open .site-header .menu-toggle span { background: var(--ink) !important; }

/* ---------------------------------------------------------------------
   7. HERO
   --------------------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--ink-deep);
  color: var(--on-dark);
  min-height: clamp(520px, calc(88vh - var(--header-h)), 860px);
  min-height: clamp(520px, calc(88svh - var(--header-h)), 860px);
  padding-top: clamp(2.5rem, 6vh, 6rem);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.hero::after {   /* atmospheric depth, extremely subtle */
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 78% 8%, rgba(255,255,255,0.05), transparent 55%),
    linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,0.35) 100%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  margin-top: auto;
  padding: 0 clamp(1.25rem, 0.5rem + 3vw, 3.5rem) clamp(3rem, 6vh, 6.5rem);
}
.hero-griffin {
  position: absolute;
  z-index: 1;
  top: 50%;
  right: clamp(1rem, 4vw, 6rem);
  transform: translateY(-50%);
  height: min(82%, 720px);
  width: auto;
  opacity: .07;
  filter: brightness(0) invert(1);
  pointer-events: none;
  user-select: none;
}
@media (max-width: 900px) { .hero-griffin { display: none; } }
.hero .eyebrow { color: var(--on-dark-mute); }
.hero-title {
  font-size: var(--fs-h1);
  font-weight: 300;
  letter-spacing: var(--track-tighter);
  line-height: 1.02;
  max-width: 17ch;
  color: var(--on-dark);
}
.hero-lead {
  margin-top: var(--space-4);
  max-width: 46ch;
  color: var(--on-dark);
  font-size: var(--fs-lead);
  font-weight: 350;
  line-height: 1.5;
}
.hero-sub {
  margin-top: var(--space-3);
  max-width: 52ch;
  color: var(--on-dark-mute);
  font-size: var(--fs-body);
}
.hero .link-list { margin-top: var(--space-5); }
.hero .link-quiet { color: var(--on-dark); }
.hero .link-quiet::after { background: var(--on-dark); }

/* Compact interior-page hero (no full dark takeover) */
.page-hero {
  padding-top: clamp(3.5rem, 3rem + 5vw, 8rem);
  padding-bottom: clamp(2.5rem, 2rem + 3vw, 5rem);
}
.page-hero .eyebrow { margin-bottom: var(--space-4); }
.page-hero-title { font-size: var(--fs-h1); font-weight: 300; letter-spacing: var(--track-tighter); max-width: 18ch; }
.page-hero .lead { margin-top: var(--space-4); }

/* ---------------------------------------------------------------------
   8. INDEXED SECTION HEAD  (signature hairline + label)
   --------------------------------------------------------------------- */
.sec-head {
  display: grid;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: var(--hair) solid var(--line);
  margin-bottom: var(--space-6);
}
.theme-dark .sec-head { border-top-color: var(--line-dark); }
.sec-head .eyebrow { margin: 0; }
.sec-head .h2 { max-width: 20ch; }

/* Two-column editorial block */
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 5vw, 6rem);
  align-items: start;
}
.split--even { grid-template-columns: 1fr 1fr; }

/* ---------------------------------------------------------------------
   9. CAPABILITY / PILLAR GRID
   --------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--hair);
  background: var(--line);
  border: var(--hair) solid var(--line);
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.cell {
  background: var(--paper);
  padding: clamp(1.75rem, 1rem + 2vw, 2.75rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 100%;
  transition: background var(--dur-2) var(--ease);
}
.cell:hover { background: var(--pure); }
.cell .cell-idx {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.18em;
  color: var(--accent);
  font-weight: 500;
}
.cell h3 { font-size: var(--fs-h4); font-weight: 500; letter-spacing: 0.005em; }
.cell p { color: var(--graphite); font-size: 1rem; margin: 0; }

.theme-dark .grid { background: var(--line-dark); border-color: var(--line-dark); }
.theme-dark .cell { background: var(--ink); }
.theme-dark .cell:hover { background: #1B1D22; }
.theme-dark .cell p { color: var(--on-dark-mute); }
.theme-dark .cell h3 { color: var(--on-dark); }

/* Simple pillar row (Ownership · Governance · …) */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: var(--hair) solid currentColor;
  margin-top: var(--space-5);
}
.pillars--muted { border-top-color: var(--line); }
.theme-dark .pillars--muted { border-top-color: var(--line-dark); }
.pillar {
  padding: var(--space-4) var(--space-3) 0 0;
  font-size: var(--fs-meta);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  font-weight: 500;
}
.theme-dark .pillar { color: var(--on-dark-mute); }

/* ---------------------------------------------------------------------
   10. FEATURE LISTS  (capabilities detail)
   --------------------------------------------------------------------- */
.feature-block { border-top: var(--hair) solid var(--line); padding-top: var(--space-4); }
.feature-block + .feature-block { margin-top: var(--space-6); }
.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(1.5rem, 4vw, 4rem);
}
.feature-list {
  columns: 2;
  column-gap: 2.5rem;
}
.feature-list li {
  break-inside: avoid;
  padding: 0.55rem 0;
  border-bottom: var(--hair) solid var(--line-soft);
  font-size: 1rem;
  color: var(--graphite);
  display: flex;
  gap: 0.75rem;
}
.feature-list li::before {
  content: "";
  flex: none;
  width: 5px; height: 5px;
  margin-top: 0.7em;
  background: var(--accent);
  border-radius: 50%;
}

.note {
  margin-top: var(--space-5);
  padding: var(--space-4);
  border: var(--hair) solid var(--line);
  background: var(--pure);
  font-size: var(--fs-meta);
  color: var(--slate);
  line-height: 1.6;
  letter-spacing: 0.01em;
}
.theme-dark .note { border-color: var(--line-dark); background: transparent; color: var(--on-dark-mute); }

/* ---------------------------------------------------------------------
   11. OPERATING-MODEL FLOW  (mobile-first vertical tiers)
   --------------------------------------------------------------------- */
.flow {
  display: grid;
  gap: 0;
  border: var(--hair) solid var(--line);
  max-width: var(--measure-wide);
}
.flow-tier {
  padding: clamp(1.25rem, 1rem + 1.5vw, 2rem) clamp(1.5rem, 1rem + 2vw, 2.5rem);
  border-bottom: var(--hair) solid var(--line);
  position: relative;
}
.flow-tier:last-child { border-bottom: 0; }
.flow-tier .tier-label {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--slate);
  display: block;
  margin-bottom: 0.35rem;
}
.flow-tier .tier-value {
  font-size: clamp(1rem, 0.9rem + 0.6vw, 1.3rem);
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.flow-tier--accent { background: var(--ink); }
.flow-tier--accent .tier-label { color: var(--on-dark-mute); }
.flow-tier--accent .tier-value { color: var(--on-dark); }
.flow-tier::after {
  content: "↓";
  position: absolute;
  left: 50%;
  bottom: calc(-0.62em - 1px);
  transform: translateX(-50%);
  font-size: 0.8rem;
  color: var(--slate);
  background: var(--paper);
  padding: 0 0.4em;
  z-index: 2;
}
.flow-tier:last-child::after { content: none; }

/* Numbered process steps */
.steps { border-top: var(--hair) solid var(--line); }
.step {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 3rem);
  padding: var(--space-5) 0;
  border-bottom: var(--hair) solid var(--line);
  align-items: start;
}
.step-num {
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  padding-top: 0.35rem;
}
.step h3 { font-size: var(--fs-h3); font-weight: 350; margin-bottom: var(--space-2); }
.step p { color: var(--graphite); max-width: 54ch; margin: 0; }

/* ---------------------------------------------------------------------
   12. RESPONSIBILITY MATRIX
   --------------------------------------------------------------------- */
.matrix-wrap { border-top: var(--hair) solid var(--ink); margin-top: var(--space-5); }
.matrix { width: 100%; border-collapse: collapse; }
.matrix caption { text-align: left; }
.matrix th, .matrix td {
  text-align: left;
  padding: 1.05rem 1.25rem 1.05rem 0;
  border-bottom: var(--hair) solid var(--line);
  vertical-align: top;
  font-size: 1rem;
}
.matrix thead th {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
  font-weight: 500;
  padding-bottom: 0.9rem;
}
.matrix tbody th { font-weight: 400; color: var(--ink); width: 46%; }
.matrix tbody td { color: var(--graphite); }

/* Matrix on dark section */
.theme-dark .matrix-wrap { border-top-color: var(--on-dark); }
.theme-dark .matrix th,
.theme-dark .matrix td { border-bottom-color: var(--line-dark); }
.theme-dark .matrix thead th { color: var(--on-dark-mute); }
.theme-dark .matrix tbody th { color: var(--on-dark); }
.theme-dark .matrix tbody td { color: var(--on-dark-mute); }
.theme-dark .matrix tbody td::before { color: var(--on-dark-mute); }

/* ---------------------------------------------------------------------
   13. PRINCIPLES  (editorial numbered statements)
   --------------------------------------------------------------------- */
.principle {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(1.5rem, 5vw, 5rem);
  padding: var(--space-6) 0;
  border-bottom: var(--hair) solid var(--line);
  align-items: baseline;
}
.principle:first-of-type { border-top: var(--hair) solid var(--line); }
.principle h3 { font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.4rem); font-weight: 300; letter-spacing: -0.02em; }
.principle p { color: var(--graphite); font-size: var(--fs-lead); font-weight: 350; line-height: 1.5; max-width: 46ch; margin: 0; }

/* ---------------------------------------------------------------------
   14. CTA / SELECTIVITY BAND
   --------------------------------------------------------------------- */
.band { text-align: left; }
.band .h2 { max-width: 16ch; }
.band .lead { margin-top: var(--space-4); max-width: 46ch; }

/* ---------------------------------------------------------------------
   15. FORM
   --------------------------------------------------------------------- */
.form { max-width: var(--measure-wide); }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4) var(--space-5);
}
.field { display: flex; flex-direction: column; gap: 0.55rem; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  font-weight: 500;
}
.field .req { color: var(--accent); }
.field input,
.field select,
.field textarea {
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: var(--hair) solid var(--line);
  padding: 0.65rem 0;
  border-radius: 0;
  transition: border-color var(--dur-1) var(--ease);
}
.field textarea { resize: vertical; min-height: 6.5rem; line-height: 1.55; }
.field select { appearance: none; background-image: none; cursor: pointer; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--ink);
}
.field input::placeholder,
.field textarea::placeholder { color: #A9A59C; }

.consent {
  grid-column: 1 / -1;
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  margin-top: var(--space-2);
}
.consent input { margin-top: 0.3rem; width: 1rem; height: 1rem; accent-color: var(--ink); }
.consent label { font-size: var(--fs-meta); color: var(--slate); letter-spacing: 0.01em; line-height: 1.5; text-transform: none; }

.btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font: inherit;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--paper);
  background: var(--ink);
  border: var(--hair) solid var(--ink);
  padding: 1rem 1.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}
.btn:hover { background: transparent; color: var(--ink); }
.btn .arrow { transition: transform var(--dur-1) var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-status {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border: var(--hair) solid var(--line);
  background: var(--pure);
  font-size: 1rem;
  color: var(--ink);
  display: none;
}
.form-status.is-visible { display: block; }
.form-status .eyebrow { margin-bottom: 0.5rem; }

/* ---------------------------------------------------------------------
   16. LEGAL / PROSE PAGES
   --------------------------------------------------------------------- */
.prose { max-width: var(--measure-wide); }
.prose h2 {
  font-size: var(--fs-h3);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: var(--space-6) 0 var(--space-3);
  padding-top: var(--space-4);
  border-top: var(--hair) solid var(--line);
}
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--graphite); }
.prose .review-flag {
  margin-top: var(--space-6);
  padding: var(--space-4);
  border: var(--hair) dashed var(--accent);
  background: var(--pure);
  color: var(--graphite);
  font-size: var(--fs-meta);
}
.prose .review-flag strong { color: var(--ink); letter-spacing: 0.02em; }

.toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: var(--hair) solid var(--line);
}
.toc a { font-size: var(--fs-meta); color: var(--slate); letter-spacing: 0.02em; }
.toc a:hover { color: var(--ink); }

/* ---------------------------------------------------------------------
   17. FOOTER
   --------------------------------------------------------------------- */
.site-footer { background: var(--ink); color: var(--on-dark); }
.footer-statement {
  padding-block: clamp(4rem, 3rem + 6vw, 9rem);
  border-bottom: var(--hair) solid var(--line-dark);
}
.footer-statement .big {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2.2rem, 1.2rem + 4vw, 5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--on-dark);
  max-width: 20ch;
}
.footer-main {
  padding-block: var(--space-6);
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: var(--space-6);
}
.footer-brand .wm-mark { color: var(--on-dark); font-weight: 600; letter-spacing: 0.18em; font-size: 0.82rem; text-transform: uppercase; }
.footer-brand p { color: var(--on-dark-mute); font-size: var(--fs-meta); margin-top: var(--space-3); max-width: 34ch; letter-spacing: 0.02em; }
.footer-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.footer-col h4 {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--on-dark-mute);
  font-weight: 500;
  margin-bottom: var(--space-3);
}
.footer-col a { display: block; padding: 0.35rem 0; color: var(--on-dark); font-size: var(--fs-meta); letter-spacing: 0.02em; transition: color var(--dur-1) var(--ease); }
.footer-col a:hover { color: var(--on-dark-mute); }
.footer-legal {
  padding-block: var(--space-4);
  border-top: var(--hair) solid var(--line-dark);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--on-dark-mute);
}

/* ---------------------------------------------------------------------
   18. MOTION — reveal on scroll
   --------------------------------------------------------------------- */
/* Visible by default; only hidden when JS is present to reveal them */
.reveal { opacity: 1; transform: none; }
html.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-3) var(--ease), transform var(--dur-3) var(--ease);
  will-change: opacity, transform;
}
html.js .reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 90ms; }
.reveal[data-delay="2"] { transition-delay: 180ms; }
.reveal[data-delay="3"] { transition-delay: 270ms; }

/* ---------------------------------------------------------------------
   19. RESPONSIVE
   --------------------------------------------------------------------- */
@media (max-width: 900px) {
  :root { --header-h: 64px; }
  .primary-nav { display: none; }
  .menu-toggle { display: flex; }
  .split, .split--even { grid-template-columns: 1fr; gap: var(--space-4); }
  .feature-grid { grid-template-columns: 1fr; gap: var(--space-3); }
  .grid--3 { grid-template-columns: 1fr 1fr; }
  .grid--4 { grid-template-columns: 1fr 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: var(--space-5); }
  .principle { grid-template-columns: 1fr; gap: var(--space-2); padding-block: var(--space-5); }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .grid--3, .grid--2, .grid--4 { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr 1fr; }
  .feature-list { columns: 1; }
  .step { grid-template-columns: 1fr; gap: var(--space-2); }
  .step-num { padding-top: 0; }
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .footer-legal { flex-direction: column; }

  /* Matrix → stacked cards */
  .matrix, .matrix thead, .matrix tbody, .matrix tr, .matrix th, .matrix td { display: block; width: auto; }
  .matrix thead { position: absolute; left: -9999px; }
  .matrix tbody tr { border-bottom: var(--hair) solid var(--line); padding: 1rem 0; }
  .matrix tbody th, .matrix tbody td { border: 0; padding: 0.2rem 0; width: auto; }
  .matrix tbody th { font-size: 1.05rem; }
  .matrix tbody td::before {
    content: "FCS role — ";
    color: var(--slate);
    font-size: var(--fs-eyebrow);
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }
}

/* ---------------------------------------------------------------------
   20. REDUCED MOTION
   --------------------------------------------------------------------- */
@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;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------------------------------------------------------------------
   21. PRINT
   --------------------------------------------------------------------- */
@media print {
  .site-header, .mobile-menu, .hero::after { display: none; }
  body { background: #fff; color: #000; }
  .theme-dark, .site-footer, .hero { background: #fff !important; color: #000 !important; }
}