/* =========================================================
   MOZZBY Trading & Consultancy LLP
   Shared stylesheet · "The Evidence House"
   ========================================================= */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul { list-style: none; }

/* ---------- Tokens ---------- */
:root {
  --paper:      #F4F4EF;
  --paper-2:    #EAEBE2;
  --ink:        #16201D;
  --ink-soft:   #4A554F;
  --pine:       #0E3B33;
  --pine-deep:  #092A24;
  --marigold:   #DD9A2C;
  --marigold-d: #C1801A;
  --line:       rgba(22, 32, 29, 0.14);
  --line-on-dk: rgba(244, 244, 239, 0.16);

  --serif: "Newsreader", Georgia, serif;
  --sans:  "Archivo", system-ui, -apple-system, sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, monospace;

  --pad: clamp(1.25rem, 5vw, 6rem);
  --maxw: 1280px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Base ---------- */
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.0625rem);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

/* ---------- Typographic helpers ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: var(--marigold);
}
.eyebrow.on-dark { color: rgba(244,244,239,0.66); }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.04; letter-spacing: -0.01em; }
.display {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 1.4rem + 5.4vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
}
.display em { font-style: italic; color: var(--pine); }
.h2 { font-size: clamp(1.9rem, 1.2rem + 2.6vw, 3.4rem); }
.h3 { font-size: clamp(1.3rem, 1rem + 1vw, 1.7rem); }
.lede { font-size: clamp(1.1rem, 1rem + 0.6vw, 1.35rem); color: var(--ink-soft); line-height: 1.5; max-width: 44ch; }
.mono { font-family: var(--mono); }
.mark { color: var(--marigold-d); }
.serif-i { font-family: var(--serif); font-style: italic; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.7em;
  font-family: var(--mono);
  font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.95em 1.5em;
  border-radius: 2px;
  transition: transform .35s var(--ease), background .35s var(--ease), color .35s var(--ease);
}
.btn .arw { transition: transform .35s var(--ease); }
.btn:hover .arw { transform: translateX(4px); }
.btn-primary { background: var(--pine); color: var(--paper); }
.btn-primary:hover { background: var(--marigold); color: var(--pine-deep); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-ghost.on-dark { border-color: var(--line-on-dk); color: var(--paper); }
.btn-ghost.on-dark:hover { background: var(--marigold); color: var(--pine-deep); border-color: var(--marigold); }

.text-link {
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 0.5em;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line);
  transition: border-color .3s var(--ease), gap .3s var(--ease);
}
.text-link:hover { border-color: var(--marigold); gap: 0.9em; }

/* =========================================================
   Header
   ========================================================= */
.site-head {
  position: sticky; top: 0; z-index: 60;
  background: rgba(244,244,239,0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .4s var(--ease), background .4s var(--ease);
}
.site-head.scrolled { border-color: var(--line); }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 74px;
}
.brand { display: flex; align-items: baseline; gap: 0.5rem; font-family: var(--serif); font-size: 1.5rem; letter-spacing: -0.02em; }
.brand .dot { width: 7px; height: 7px; background: var(--marigold); border-radius: 50%; align-self: center; }
.brand small { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); }
.nav-links { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2.4rem); }
.nav-links a {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase;
  position: relative; padding: 4px 0; color: var(--ink-soft);
  transition: color .3s var(--ease);
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px;
  background: var(--marigold); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { transform: scaleX(1); }
.nav-cta { display: inline-flex; }
.nav-toggle { display: none; width: 42px; height: 42px; align-items: center; justify-content: center; }
.nav-toggle span { display: block; width: 22px; height: 1.5px; background: var(--ink); position: relative; transition: .3s var(--ease); }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; width: 22px; height: 1.5px; background: var(--ink); transition: .3s var(--ease); }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
body.menu-open .nav-toggle span { background: transparent; }
body.menu-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
body.menu-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

/* =========================================================
   Sections & rhythm
   ========================================================= */
.section { padding-block: clamp(4rem, 8vw, 8.5rem); }
.section--tight { padding-block: clamp(3rem, 5vw, 5rem); }
.section--pine { background: var(--pine); color: var(--paper); }
.section--pine .lede { color: rgba(244,244,239,0.72); }
.section--paper2 { background: var(--paper-2); }

.section-head { max-width: 62ch; margin-bottom: clamp(2.2rem, 4vw, 3.8rem); }
.section-head .eyebrow { margin-bottom: 1.2rem; }

/* =========================================================
   Hero
   ========================================================= */
.hero { position: relative; padding-top: clamp(2.5rem, 5vw, 5rem); padding-bottom: clamp(3rem, 6vw, 6rem); overflow: hidden; }
.hero-grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(2rem, 4vw, 4rem);
  align-items: end;
}
.hero-eyebrow { margin-bottom: 1.6rem; }
.hero h1 { margin-bottom: 1.8rem; }
.hero-sub { display: flex; flex-direction: column; gap: 1.8rem; align-items: flex-start; }
.hero-cta { display: flex; gap: 0.8rem; flex-wrap: wrap; }

/* signal panel */
.signal-panel {
  border: 1px solid var(--line);
  background: linear-gradient(160deg, #fff 0%, var(--paper-2) 100%);
  border-radius: 4px;
  padding: 1.4rem 1.4rem 1.1rem;
  position: relative;
}
.signal-panel .cap { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.8rem; }
.signal-panel .cap .t { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); }
.signal-panel .cap .v { font-family: var(--serif); font-size: 1.5rem; color: var(--pine); }
.signal-panel .foot { margin-top: 0.7rem; font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.08em; color: var(--ink-soft); display: flex; justify-content: space-between; }

/* the plot */
.plot { width: 100%; height: auto; }
.plot .axis { stroke: var(--line); stroke-width: 1; }
.plot .tick { stroke: var(--line); stroke-width: 1; }
.plot .grid-l { stroke: rgba(22,32,29,0.06); stroke-width: 1; }
.plot .signal-line {
  fill: none; stroke: var(--pine); stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
}
.plot .signal-fill { fill: url(#sigfill); opacity: 0.5; }
.plot .noise { fill: none; stroke: var(--ink-soft); stroke-width: 1; opacity: 0.35; }
.plot .pt { fill: var(--paper); stroke: var(--pine); stroke-width: 1.5; }
.plot .pt-key { fill: var(--marigold); stroke: var(--pine-deep); stroke-width: 1.5; }
.plot .pt-key-ring { fill: none; stroke: var(--marigold); stroke-width: 1; opacity: 0.6; }

/* =========================================================
   Stat band / marquee
   ========================================================= */
.band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.stat { padding: clamp(1.6rem,3vw,2.6rem) 1.4rem; border-right: 1px solid var(--line); }
.stat:last-child { border-right: none; }
.stat .num { font-family: var(--serif); font-size: clamp(2.1rem, 1.4rem + 2vw, 3.2rem); line-height: 1; letter-spacing: -0.02em; }
.stat .num .u { color: var(--marigold-d); }
.stat .lbl { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); margin-top: 0.7rem; max-width: 22ch; }

/* logo strip */
.marquee { overflow: hidden; padding-block: 1.4rem; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee ul { display: flex; gap: 3.5rem; width: max-content; animation: slide 34s linear infinite; }
.marquee li { font-family: var(--serif); font-size: 1.25rem; letter-spacing: 0.01em; color: var(--ink-soft); white-space: nowrap; opacity: 0.75; }
@keyframes slide { to { transform: translateX(-50%); } }

/* =========================================================
   Services index
   ========================================================= */
.svc-list { border-top: 1px solid var(--line); }
.svc {
  display: grid; grid-template-columns: 5rem 1fr 1.1fr auto;
  gap: 1.5rem; align-items: start;
  padding-block: clamp(1.6rem, 3vw, 2.4rem);
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: padding-left .4s var(--ease);
}
.svc:hover { padding-left: 0.8rem; }
.svc .no { font-family: var(--mono); font-size: 0.82rem; color: var(--marigold-d); letter-spacing: 0.08em; padding-top: 0.4rem; }
.svc .name { font-family: var(--serif); font-size: clamp(1.4rem, 1rem + 1.4vw, 2.1rem); line-height: 1.06; }
.svc .desc { color: var(--ink-soft); font-size: 0.98rem; max-width: 42ch; }
.svc .tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.9rem; }
.tag { font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); border: 1px solid var(--line); border-radius: 100px; padding: 0.28em 0.7em; }
.svc .go { align-self: center; color: var(--ink-soft); transition: color .3s var(--ease), transform .3s var(--ease); }
.svc:hover .go { color: var(--marigold-d); transform: translateX(4px); }

/* =========================================================
   Feature (research) block
   ========================================================= */
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.feature-list { display: grid; gap: 1.4rem; margin-top: 2rem; }
.feature-item { display: grid; grid-template-columns: auto 1fr; gap: 1.1rem; padding-bottom: 1.4rem; border-bottom: 1px solid var(--line-on-dk); }
.feature-item:last-child { border-bottom: none; }
.feature-item .k { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em; color: var(--marigold); padding-top: 0.35rem; }
.feature-item h4 { font-family: var(--serif); font-size: 1.25rem; margin-bottom: 0.3rem; }
.feature-item p { color: rgba(244,244,239,0.7); font-size: 0.95rem; }

/* report mock */
.report-mock {
  background: var(--paper); color: var(--ink); border-radius: 6px; padding: 1.8rem;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.5);
  transform: rotate(-1.2deg);
}
.report-mock .rm-head { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid var(--line); padding-bottom: 0.9rem; margin-bottom: 1.2rem; }
.report-mock .rm-head .t { font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); }
.report-mock h5 { font-family: var(--serif); font-size: 1.5rem; line-height: 1.1; margin-bottom: 1rem; }
.report-mock .bar-row { display: grid; grid-template-columns: 5.5rem 1fr; gap: 0.8rem; align-items: center; margin-bottom: 0.7rem; }
.report-mock .bar-row span { font-family: var(--mono); font-size: 0.64rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.05em; }
.report-mock .bar { height: 10px; background: var(--paper-2); border-radius: 100px; overflow: hidden; }
.report-mock .bar i { display: block; height: 100%; background: var(--pine); border-radius: 100px; }
.report-mock .bar i.key { background: var(--marigold); }
.report-mock .rm-foot { margin-top: 1.3rem; font-family: var(--mono); font-size: 0.62rem; color: var(--ink-soft); letter-spacing: 0.05em; }

/* =========================================================
   Method / process
   ========================================================= */
.method { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); }
.step { padding: 2rem 1.4rem 2.2rem; border-right: 1px solid var(--line); position: relative; }
.step:last-child { border-right: none; }
.step .no { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; color: var(--marigold-d); }
.step h4 { font-family: var(--serif); font-size: 1.35rem; margin: 1.2rem 0 0.7rem; }
.step p { color: var(--ink-soft); font-size: 0.92rem; }
.step .tick-top { position: absolute; top: -1px; left: 1.4rem; width: 26px; height: 3px; background: var(--marigold); }

/* =========================================================
   Work / cases
   ========================================================= */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.card {
  border: 1px solid var(--line); border-radius: 4px; background: var(--paper);
  padding: 1.6rem; display: flex; flex-direction: column; gap: 1rem; min-height: 320px;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.card:hover { transform: translateY(-5px); box-shadow: 0 26px 44px -28px rgba(14,59,51,0.4); border-color: var(--pine); }
.card .sector { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); }
.card h4 { font-family: var(--serif); font-size: 1.4rem; line-height: 1.12; }
.card p { color: var(--ink-soft); font-size: 0.92rem; flex-grow: 1; }
.card .result { display: flex; align-items: baseline; gap: 0.6rem; border-top: 1px solid var(--line); padding-top: 1rem; }
.card .result .r-num { font-family: var(--serif); font-size: 2rem; color: var(--pine); line-height: 1; }
.card .result .r-lbl { font-family: var(--mono); font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-soft); }

/* =========================================================
   Quote / proof
   ========================================================= */
.quote-block { max-width: 24ch; }
.quote-lead { font-family: var(--serif); font-size: clamp(1.8rem, 1.2rem + 2.6vw, 3rem); line-height: 1.14; letter-spacing: -0.01em; }
.quote-lead .mark { color: var(--marigold); }
.quote-meta { margin-top: 2rem; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(244,244,239,0.66); }

/* =========================================================
   CTA band
   ========================================================= */
.cta-band { background: var(--pine-deep); color: var(--paper); border-radius: 6px; padding: clamp(2.4rem, 5vw, 4.5rem); position: relative; overflow: hidden; }
.cta-band h2 { font-size: clamp(2rem, 1.3rem + 3vw, 3.6rem); max-width: 18ch; margin-bottom: 1.4rem; }
.cta-band p { color: rgba(244,244,239,0.7); max-width: 46ch; margin-bottom: 2rem; }
.cta-band .glow { position: absolute; right: -10%; top: -30%; width: 380px; height: 380px; background: radial-gradient(circle, rgba(221,154,44,0.28), transparent 70%); pointer-events: none; }

/* =========================================================
   Footer
   ========================================================= */
.site-foot { background: var(--ink); color: var(--paper); padding-block: clamp(3rem, 5vw, 5rem) 2rem; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 2.4rem; padding-bottom: 3rem; border-bottom: 1px solid var(--line-on-dk); }
.foot-brand .brand { color: var(--paper); font-size: 1.8rem; margin-bottom: 1rem; }
.foot-brand p { color: rgba(244,244,239,0.6); font-size: 0.92rem; max-width: 34ch; }
.foot-col h5 { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(244,244,239,0.5); margin-bottom: 1.1rem; }
.foot-col a, .foot-col p { display: block; color: rgba(244,244,239,0.82); font-size: 0.92rem; padding: 0.32rem 0; transition: color .3s var(--ease); }
.foot-col a:hover { color: var(--marigold); }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; padding-top: 2rem; }
.foot-bottom p { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.06em; color: rgba(244,244,239,0.5); }

/* =========================================================
   Page hero (interior pages)
   ========================================================= */
.page-hero { padding-top: clamp(3rem, 6vw, 6rem); padding-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.page-hero .eyebrow { margin-bottom: 1.4rem; }
.page-hero h1 { font-size: clamp(2.4rem, 1.5rem + 4vw, 5rem); max-width: 16ch; margin-bottom: 1.4rem; }
.page-hero .lede { max-width: 52ch; }
.breadcrumb { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 2.2rem; }
.breadcrumb a:hover { color: var(--marigold-d); }

/* prose */
.prose { max-width: 62ch; }
.prose p { margin-bottom: 1.3rem; color: var(--ink-soft); }
.prose h3 { margin: 2.4rem 0 1rem; font-size: 1.6rem; color: var(--ink); }

/* two-col info */
.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem,5vw,5rem); align-items: start; }

/* service detail rows */
.detail-row { display: grid; grid-template-columns: auto 1fr; gap: clamp(1.5rem,4vw,4rem); padding-block: clamp(2rem,4vw,3.2rem); border-bottom: 1px solid var(--line); }
.detail-row .d-no { font-family: var(--serif); font-size: clamp(2.4rem,4vw,4rem); color: var(--paper-2); -webkit-text-stroke: 1px var(--line); line-height: 1; }
.detail-row h3 { font-size: clamp(1.5rem,1.2rem+1.4vw,2.2rem); margin-bottom: 1rem; }
.detail-row .d-body { max-width: 60ch; }
.detail-row .d-body p { color: var(--ink-soft); margin-bottom: 1rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.2rem; }

/* team */
.team-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.4rem; }
.member { border-top: 2px solid var(--pine); padding-top: 1.2rem; }
.member .ph { aspect-ratio: 4/5; background: var(--paper-2); border-radius: 4px; margin-bottom: 1.1rem; display: flex; align-items: flex-end; justify-content: flex-start; padding: 1rem; position: relative; overflow: hidden; }
.member .ph .mono-init { font-family: var(--serif); font-size: 3.4rem; color: var(--pine); opacity: 0.9; }
.member .ph::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(135deg, transparent, transparent 9px, rgba(14,59,51,0.05) 9px, rgba(14,59,51,0.05) 10px); }
.member h4 { font-family: var(--serif); font-size: 1.35rem; }
.member .role { font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--marigold-d); margin-top: 0.3rem; }
.member p { color: var(--ink-soft); font-size: 0.9rem; margin-top: 0.7rem; }

/* value grid */
.values { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.4rem; }
.value { padding: 1.6rem; border: 1px solid var(--line); border-radius: 4px; }
.value .vno { font-family: var(--mono); font-size: 0.72rem; color: var(--marigold-d); letter-spacing: 0.1em; }
.value h4 { font-family: var(--serif); font-size: 1.35rem; margin: 0.8rem 0 0.5rem; }
.value p { color: var(--ink-soft); font-size: 0.93rem; }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,5rem); align-items: start; }
.field { margin-bottom: 1.3rem; }
.field label { display: block; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 0.5rem; }
.field input, .field textarea, .field select {
  width: 100%; font-family: var(--sans); font-size: 1rem; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line); border-radius: 3px;
  padding: 0.85em 1em; transition: border-color .3s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--pine); box-shadow: 0 0 0 3px rgba(14,59,51,0.08); }
.field textarea { resize: vertical; min-height: 130px; }
.contact-info .ci-row { padding-block: 1.2rem; border-bottom: 1px solid var(--line); }
.contact-info .ci-row:first-child { border-top: 1px solid var(--line); }
.contact-info .k { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 0.35rem; }
.contact-info .v { font-size: 1.05rem; }
.contact-info .v a:hover { color: var(--marigold-d); }
.form-note { font-family: var(--mono); font-size: 0.66rem; color: var(--ink-soft); margin-top: 1rem; letter-spacing: 0.03em; }

/* faq */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 1rem; text-align: left; padding: 1.4rem 0; font-family: var(--serif); font-size: 1.25rem; }
.faq-q .pm { font-family: var(--mono); color: var(--marigold-d); transition: transform .3s var(--ease); flex-shrink: 0; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.faq-a p { color: var(--ink-soft); padding-bottom: 1.4rem; max-width: 62ch; }
.faq-item.open .faq-q .pm { transform: rotate(45deg); }

/* =========================================================
   Reveal animations
   ========================================================= */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }

/* plot draw */
.plot .signal-line { stroke-dasharray: 520; stroke-dashoffset: 520; }
.plot.drawn .signal-line { transition: stroke-dashoffset 1.8s var(--ease); stroke-dashoffset: 0; }
.plot .pt, .plot .pt-key, .plot .pt-key-ring { opacity: 0; transition: opacity .5s ease; }
.plot.drawn .pt, .plot.drawn .pt-key, .plot.drawn .pt-key-ring { opacity: 1; transition-delay: 1.4s; }
.plot .signal-fill { opacity: 0; }
.plot.drawn .signal-fill { transition: opacity 1s ease 1s; opacity: 0.5; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .signal-panel { max-width: 460px; }
  .feature-grid { grid-template-columns: 1fr; }
  .band-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .method { grid-template-columns: repeat(2, 1fr); }
  .step:nth-child(2) { border-right: none; }
  .step:nth-child(1), .step:nth-child(2) { border-bottom: 1px solid var(--line); }
  .cards, .values, .team-grid { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .split, .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .site-head.open-menu .nav-links {
    display: flex; flex-direction: column; align-items: flex-start; gap: 1.2rem;
    position: absolute; top: 74px; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 1.8rem var(--pad) 2.4rem;
  }
  .site-head.open-menu .nav-links a { font-size: 1rem; }
  .svc { grid-template-columns: 3rem 1fr; }
  .svc .desc, .svc .go { grid-column: 2; }
  .svc .go { display: none; }
  .band-grid { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: none; }
  .method { grid-template-columns: 1fr; }
  .step { border-right: none; border-bottom: 1px solid var(--line); }
  .step:last-child { border-bottom: none; }
  .cards, .values, .team-grid, .foot-grid { grid-template-columns: 1fr; }
  .detail-row { grid-template-columns: 1fr; gap: 0.8rem; }
  .quote-block { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .plot .signal-line { stroke-dashoffset: 0; }
  .plot .pt, .plot .pt-key, .plot .pt-key-ring, .plot .signal-fill { opacity: 1; }
  .plot .signal-fill { opacity: 0.5; }
}

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