/* ==========================================================================
   Khrysos Consulting — design tokens
   Concept: refinement. Legacy systems, in — clarity, out.
   The assay bar (raw grey -> brass -> gold) is the signature motif,
   echoing an assayer's purity test applied to a client's technology stack.
   ========================================================================== */

:root{
  color-scheme: dark;

  --bg:            #14161c;
  --bg-panel:      #1b1e26;
  --bg-panel-alt:  #21252f;
  --ore:           #4b4d55;   /* raw / unrefined grey, used only in the motif */
  --gold-deep:     #8a6d1a;
  --gold:          #c9a227;
  --gold-light:    #e8c468;
  --text:          #ece7db;
  --text-muted:    #9a978f;
  --text-faint:    #6c6a64;
  --border:        rgba(232, 196, 104, 0.14);
  --border-strong: rgba(232, 196, 104, 0.32);

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;

  --container: 1120px;
  --radius: 3px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

@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; }
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }

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

.wrap{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---- eyebrow / labels ------------------------------------------------- */
.eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before{
  content: "";
  width: 20px;
  height: 1px;
  background: var(--gold);
  display: inline-block;
}

/* ---- headings ----------------------------------------------------------- */
h1, h2, h3{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0;
  color: #fff;
}
h1{ font-size: clamp(38px, 5.4vw, 68px); font-weight: 500; }
h2{ font-size: clamp(28px, 3.4vw, 40px); }
h3{ font-size: 20px; font-weight: 600; color: var(--text); }

p{ margin: 0; color: var(--text-muted); }

/* ---- header / nav --------------------------------------------------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(20, 22, 28, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.wordmark{
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: 0.01em;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}
.wordmark .mark{
  width: 9px; height: 9px;
  background: var(--gold);
  transform: rotate(45deg);
  flex-shrink: 0;
}
.wordmark small{
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--text-faint);
  text-transform: uppercase;
  font-weight: 500;
  margin-left: 2px;
}

nav.primary{
  display: flex;
  align-items: center;
  gap: 40px;
}
nav.primary a{
  font-size: 14px;
  color: var(--text-muted);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}
nav.primary a:hover{ color: var(--text); }
nav.primary a.active{ color: var(--gold-light); }
nav.primary a.active::after{
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 1px;
  background: var(--gold);
}
.nav-cta{
  border: 1px solid var(--border-strong);
  padding: 9px 18px;
  font-size: 13px;
  border-radius: var(--radius);
  color: var(--gold-light) !important;
  transition: all 0.2s ease;
}
.nav-cta:hover{ background: var(--gold); color: var(--bg) !important; border-color: var(--gold); }

.nav-toggle{
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span{ width: 22px; height: 1px; background: var(--text); }

/* ---- buttons ---------------------------------------------------------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}
.btn-gold{
  background: var(--gold);
  color: #191510;
}
.btn-gold:hover{ background: var(--gold-light); transform: translateY(-1px); }
.btn-ghost{
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover{ border-color: var(--gold); color: var(--gold-light); }

/* ---- assay bar (signature motif) --------------------------------------
   A horizontal band that runs raw ore-grey -> brass -> gold, left to right.
   Used as: section dividers, the hero's animated "refinement" indicator,
   and progress markers on the services page.
   -------------------------------------------------------------------- */
.assay-bar{
  height: 3px;
  width: 100%;
  background: linear-gradient(90deg, var(--ore) 0%, var(--gold-deep) 46%, var(--gold) 72%, var(--gold-light) 100%);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}
.assay-bar.animate span{
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.55), transparent);
  width: 40%;
  animation: sweep 2.6s ease-in-out 0.4s 1;
  transform: translateX(-120%);
}
@keyframes sweep{
  0%{ transform: translateX(-120%); }
  100%{ transform: translateX(340%); }
}

.assay-reading{
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-top: 8px;
  text-transform: uppercase;
}
.assay-reading .hi{ color: var(--gold-light); }

/* ---- hero ---------------------------------------------------------- */
.hero{
  padding: 96px 0 72px;
  position: relative;
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: start;
}
.hero h1{ margin-top: 22px; }
.hero .lede{
  font-size: 18px;
  color: var(--text-muted);
  max-width: 46ch;
  margin-top: 22px;
}
.hero-actions{
  display: flex;
  gap: 14px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero-panel{
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-top: 6px;
}
.hero-panel .assay-title{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 18px;
}
.hero-panel ul{ list-style: none; margin: 20px 0 0; padding: 0; }
.hero-panel li{
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}
.hero-panel li:first-child{ border-top: none; }
.hero-panel li b{ color: var(--text); font-weight: 500; }

/* ---- sections ---------------------------------------------------------- */
section{ padding: 84px 0; }
.section-head{
  max-width: 640px;
  margin-bottom: 52px;
}
.section-head h2{ margin-top: 16px; }
.section-head p{ margin-top: 16px; font-size: 16px; }

.divider{ padding: 0; }
.divider .wrap{ padding-top: 0; padding-bottom: 0; }

/* ---- service cards ------------------------------------------------- */
.grid-3{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.card{
  background: var(--bg);
  padding: 36px 30px;
  transition: background 0.25s ease;
}
.card:hover{ background: var(--bg-panel); }
.card .num{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.06em;
}
.card h3{ margin-top: 18px; }
.card p{ margin-top: 12px; font-size: 14.5px; }
.card .tag{
  margin-top: 20px;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---- process list ----------------------------------------------------- */
.process{
  border-top: 1px solid var(--border);
}
.process-row{
  display: grid;
  grid-template-columns: 90px 1fr 1.4fr;
  gap: 32px;
  padding: 30px 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}
.process-row .step{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
}
.process-row h3{ font-size: 18px; }
.process-row p{ font-size: 14.5px; }

/* ---- panels / about -------------------------------------------------- */
.split{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.stat-block{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 36px;
}
.stat{
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.stat b{
  display: block;
  font-family: var(--font-display);
  font-size: 30px;
  color: var(--gold-light);
  font-weight: 500;
}
.stat span{
  font-size: 13px;
  color: var(--text-muted);
}

.pull-quote{
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  color: #fff;
  line-height: 1.4;
  border-left: 2px solid var(--gold);
  padding-left: 28px;
}
.pull-quote cite{
  display: block;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 12px;
  color: var(--text-faint);
  margin-top: 16px;
  letter-spacing: 0.04em;
}

/* ---- CTA band ----------------------------------------------------- */
.cta-band{
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-band .wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 64px;
  padding-bottom: 64px;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2{ font-size: clamp(24px, 3vw, 32px); }
.cta-band p{ margin-top: 10px; }

/* ---- forms -------------------------------------------------------- */
.form-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.field{ display: flex; flex-direction: column; gap: 8px; }
.field.full{ grid-column: 1 / -1; }
.field label{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.field input, .field select, .field textarea{
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14.5px;
}
.field textarea{ resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline: none;
  border-color: var(--gold);
}
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible{
  outline: 2px solid var(--gold-light);
  outline-offset: 2px;
}

.contact-info{
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.contact-info .row{
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.contact-info .row span{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.contact-info .row div{ margin-top: 8px; font-size: 15px; color: var(--text); }

/* ---- footer ---------------------------------------------------------- */
footer{
  border-top: 1px solid var(--border);
  padding: 48px 0 40px;
}
footer .wrap{
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
footer .wordmark{ font-size: 16px; }
footer .foot-links{
  display: flex;
  gap: 28px;
  font-size: 13px;
  color: var(--text-faint);
}
footer .foot-links a:hover{ color: var(--gold-light); }
footer .copy{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  margin-top: 6px;
}

/* ---- reveal-on-scroll (subtle) --------------------------------------- */
.reveal{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in{ opacity: 1; transform: translateY(0); }

/* ---- page hero (interior pages) --------------------------------------- */
.page-hero{
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--border);
}
.page-hero h1{ margin-top: 18px; font-size: clamp(32px, 4.4vw, 52px); }
.page-hero p{ margin-top: 18px; max-width: 56ch; font-size: 16.5px; }

/* ---- responsive ---------------------------------------------------- */
@media (max-width: 880px){
  nav.primary{
    position: fixed;
    inset: 76px 0 0 0;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    padding: 36px 32px;
    gap: 26px;
    display: none;
    border-top: 1px solid var(--border);
  }
  nav.primary.open{ display: flex; }
  .nav-toggle{ display: flex; }
  .nav-cta{ margin-top: 6px; }

  .hero-grid{ grid-template-columns: 1fr; gap: 40px; }
  .grid-3{ grid-template-columns: 1fr; }
  .process-row{ grid-template-columns: 1fr; gap: 8px; }
  .split{ grid-template-columns: 1fr; gap: 40px; }
  .stat-block{ grid-template-columns: 1fr 1fr; }
  .form-grid{ grid-template-columns: 1fr; }
  .cta-band .wrap{ flex-direction: column; align-items: flex-start; }
  .wrap{ padding: 0 22px; }
}