/* ==========================================================================
   Prometheus Innovation Group — Site Stylesheet v1.0
   Palette per Brand Standard v1.0 (working reference values). NO NAVY.
   ========================================================================== */

/* ---------- Self-hosted fonts (SIL Open Font License) ---------- */
@font-face { font-family: "Cinzel"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("../fonts/cinzel-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Cinzel"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("../fonts/cinzel-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/montserrat-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("../fonts/montserrat-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("../fonts/montserrat-latin-600-normal.woff2") format("woff2"); }

:root {
  /* Brand palette */
  --charcoal: #1A1A1A;
  --bronze:   #B38A55;
  --stone:    #8B8274;
  --ivory:    #F4EFE6;

  /* Background sampled from the approved lockup art so raster assets blend */
  --art-black: #0B0A09;

  /* Derived (opacity of brand colors only) */
  --rule:        rgba(179, 138, 85, 0.35);
  --rule-soft:   rgba(179, 138, 85, 0.18);
  --ivory-muted: rgba(244, 239, 230, 0.78);
  --panel:       rgba(244, 239, 230, 0.025);

  /* Type */
  --font-display: "Cinzel", "Trajan Pro", Georgia, "Times New Roman", serif;
  --font-body: "Montserrat", "Helvetica Neue", Arial, sans-serif;

  /* Layout */
  --max: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
  --header-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--charcoal);
  color: var(--ivory-muted);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--bronze); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--ivory); }
:focus-visible { outline: 2px solid var(--bronze); outline-offset: 3px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 1000;
  background: var(--bronze); color: var(--art-black); padding: 10px 16px;
}
.skip-link:focus { left: 16px; top: 16px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.narrow { max-width: 820px; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ivory);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 .6em;
  letter-spacing: .01em;
}
h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.35rem); }
p { margin: 0 0 1.2em; }
strong { color: var(--ivory); font-weight: 600; }

.eyebrow {
  display: block;
  font-family: var(--font-body);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 1.1rem;
}
.lede { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--ivory-muted); max-width: 760px; }
.signature {
  font-family: var(--font-body); font-weight: 600; color: var(--ivory);
  letter-spacing: .02em;
}
.tracked {
  font-family: var(--font-body); font-weight: 500; text-transform: uppercase;
  letter-spacing: .3em; color: var(--bronze);
}

/* ---------- Buttons ---------- */
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 1.8rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px;
  font-family: var(--font-body); font-size: .82rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase;
  border: 1px solid var(--bronze); border-radius: 2px;
  cursor: pointer; transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.btn-primary { background: var(--bronze); color: var(--art-black); }
.btn-primary:hover { background: var(--ivory); border-color: var(--ivory); color: var(--art-black); }
.btn-outline { background: transparent; color: var(--ivory); }
.btn-outline:hover { background: var(--bronze); color: var(--art-black); }
.text-link {
  font-size: .82rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
}
.text-link::after { content: " \2192"; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--art-black);
  border-bottom: 1px solid var(--rule-soft);
}
.header-inner {
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand picture, .brand img { display: block; }
.brand-emblem img, .brand-wordmark img, .footer-brand img, .page-hero-emblem img {
  -webkit-mask-image:
    linear-gradient(to right, transparent 0, #000 3%, #000 97%, transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 4%, #000 96%, transparent 100%);
  -webkit-mask-composite: source-in;
          mask-image:
    linear-gradient(to right, transparent 0, #000 3%, #000 97%, transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 4%, #000 96%, transparent 100%);
          mask-composite: intersect;
}
.brand-emblem img { height: 52px; width: auto; }
.brand-divider { width: 1px; height: 34px; background: var(--rule); }
.brand-wordmark img { height: 32px; width: auto; }

.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 4px; }
.site-nav a {
  display: block; padding: 10px 10px; white-space: nowrap;
  font-size: .74rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ivory-muted);
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--bronze); }
.site-nav .nav-cta a {
  margin-left: 8px; padding: 10px 18px;
  border: 1px solid var(--bronze); color: var(--ivory); border-radius: 2px;
}
.site-nav .nav-cta a:hover, .site-nav .nav-cta a[aria-current="page"] { background: var(--bronze); color: var(--art-black); }

.nav-toggle {
  display: none; background: none; border: 0; padding: 10px; cursor: pointer;
  width: 46px; height: 46px; position: relative;
}
.nav-toggle span {
  position: absolute; right: 10px; height: 2px; background: var(--ivory);
  transition: transform .25s ease, width .25s ease, top .25s ease;
}
.nav-toggle span:nth-child(1) { top: 17px; width: 24px; }
.nav-toggle span:nth-child(2) { top: 26px; width: 16px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { top: 22px; width: 24px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { top: 22px; width: 24px; transform: rotate(-45deg); }

@media (max-width: 1220px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: var(--art-black);
    border-top: 1px solid var(--rule-soft);
    padding: 24px var(--gutter) 40px;
    overflow-y: auto;
    opacity: 0; transform: translateY(-8px); visibility: hidden; pointer-events: none;
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
  }
  .site-nav.open { opacity: 1; pointer-events: auto; }
  .site-nav.open { transform: none; visibility: visible; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav li { border-bottom: 1px solid var(--rule-soft); }
  .site-nav a { padding: 18px 4px; font-size: .9rem; }
  .site-nav .nav-cta { border-bottom: 0; margin-top: 24px; }
  .site-nav .nav-cta a { margin: 0; text-align: center; padding: 16px; }
  body.nav-open { overflow: hidden; }
}
@media (max-width: 520px) {
  :root { --header-h: 66px; }
  .brand { gap: 9px; }
  .brand-emblem img { height: 42px; }
  .brand-divider { height: 26px; }
  .brand-wordmark img { height: 24px; }
}
@media (max-width: 360px) {
  .brand-wordmark img { height: 19px; }
}

/* ---------- Sections ---------- */
.section { padding: clamp(64px, 9vw, 120px) 0; }
.section-dark { background: var(--art-black); }
.section-tight { padding: clamp(48px, 6vw, 80px) 0; }
.section + .section:not(.section-dark):not(.band) { border-top: 1px solid var(--rule-soft); }
.center { text-align: center; }
.center .lede { margin-left: auto; margin-right: auto; }
.center .btn-row { justify-content: center; }

.rule {
  width: 72px; height: 1px; background: var(--bronze); border: 0; margin: 0 0 28px;
}
.center .rule { margin-left: auto; margin-right: auto; }

/* ---------- Home hero ---------- */
.hero-home {
  background: var(--art-black);
  padding: clamp(24px, 4vw, 56px) 0 clamp(56px, 7vw, 96px);
}
.hero-lockup {
  max-width: 1240px; margin: 0 auto; padding: 0 clamp(0px, 2vw, 24px);
}
.hero-lockup img {
  width: 100%; height: auto;
  -webkit-mask-image:
    linear-gradient(to right, transparent 0, #000 5%, #000 95%, transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 7%, #000 93%, transparent 100%);
  -webkit-mask-composite: source-in;
          mask-image:
    linear-gradient(to right, transparent 0, #000 5%, #000 95%, transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 7%, #000 93%, transparent 100%);
          mask-composite: intersect;
}
.hero-why { margin-top: clamp(32px, 5vw, 56px); }
.hero-why h2 { font-size: clamp(1.7rem, 4vw, 2.9rem); }

/* ---------- Interior page hero ---------- */
.page-hero {
  background: var(--art-black);
  padding: clamp(72px, 10vw, 140px) 0 clamp(56px, 8vw, 104px);
  border-bottom: 1px solid var(--rule-soft);
  position: relative; overflow: hidden;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero-emblem {
  position: absolute; right: -60px; top: 50%; transform: translateY(-50%);
  width: min(520px, 48vw); opacity: .10; pointer-events: none; z-index: 0;
}
@media (max-width: 760px) { .page-hero-emblem { display: none; } }

/* ---------- Grids & cards ---------- */
.grid { display: grid; gap: clamp(20px, 3vw, 32px); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.card {
  background: var(--panel);
  border: 1px solid var(--rule-soft);
  border-top: 1px solid var(--bronze);
  padding: clamp(24px, 3vw, 36px);
  border-radius: 2px;
}
.card h3 { margin-bottom: .5em; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }

.step-num {
  display: block; font-family: var(--font-display); font-size: 2.2rem; line-height: 1;
  color: var(--bronze); margin-bottom: 18px;
}

.list-rule { list-style: none; padding: 0; margin: 0; }
.list-rule li {
  padding: 14px 0; border-bottom: 1px solid var(--rule-soft); color: var(--ivory);
}
.list-rule li:first-child { border-top: 1px solid var(--rule-soft); }

.list-dash { list-style: none; padding: 0; margin: 0 0 1em; }
.list-dash li { position: relative; padding-left: 22px; margin-bottom: .45em; }
.list-dash li::before {
  content: ""; position: absolute; left: 0; top: .82em; width: 10px; height: 1px; background: var(--bronze);
}

.label {
  display: block; font-size: .72rem; font-weight: 600; letter-spacing: .22em;
  text-transform: uppercase; color: var(--stone); margin: 1.4em 0 .6em;
}

/* ---------- Service blocks ---------- */
.service {
  display: grid; grid-template-columns: 300px 1fr; gap: clamp(24px, 5vw, 64px);
  padding: clamp(36px, 5vw, 56px) 0; border-top: 1px solid var(--rule-soft);
}
.service:last-child { border-bottom: 1px solid var(--rule-soft); }
.service h2 { font-size: clamp(1.35rem, 2.4vw, 1.75rem); }
.service .step-num { font-size: 1.4rem; margin-bottom: 12px; }
@media (max-width: 860px) { .service { grid-template-columns: 1fr; gap: 8px; } }

/* ---------- Phases (approach) ---------- */
.phase {
  display: grid; grid-template-columns: 140px 1fr; gap: clamp(20px, 4vw, 56px);
  padding: clamp(40px, 6vw, 72px) 0; border-top: 1px solid var(--rule-soft);
}
.phase:last-of-type { border-bottom: 1px solid var(--rule-soft); }
.phase .step-num { font-size: clamp(2.6rem, 6vw, 4.2rem); }
@media (max-width: 760px) { .phase { grid-template-columns: 1fr; gap: 0; } }

.sequence {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px;
  font-size: .8rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--bronze);
}
.sequence .arrow { color: var(--stone); letter-spacing: 0; }

/* ---------- Team ---------- */
.person { display: flex; flex-direction: column; }
.person-name { font-family: var(--font-display); font-size: 1.3rem; color: var(--ivory); margin: 0 0 .2em; }
.person-role {
  font-size: .74rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
  color: var(--bronze); margin-bottom: 1em; display: block;
}
.person-creds { color: var(--stone); font-size: .95rem; margin-bottom: .8em; }
.founder { display: grid; grid-template-columns: 1fr 1.6fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
@media (max-width: 860px) { .founder { grid-template-columns: 1fr; } }

/* ---------- Engagements ---------- */
.engagement-meta {
  font-size: .72rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--stone);
  display: block; margin-bottom: .8em;
}

/* ---------- Insights ---------- */
.insight { display: flex; flex-direction: column; }
.insight .status {
  font-size: .7rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase;
  color: var(--stone); margin-bottom: 1em; display: block;
}
.insight h3 { font-size: 1.2rem; line-height: 1.35; }

/* ---------- Principle band ---------- */
.band {
  background: var(--art-black);
  border-top: 1px solid var(--rule-soft); border-bottom: 1px solid var(--rule-soft);
  padding: clamp(56px, 8vw, 96px) 0; text-align: center;
}
.band .statement {
  font-family: var(--font-display); color: var(--ivory);
  font-size: clamp(1.5rem, 3.6vw, 2.6rem); line-height: 1.3; margin: 0;
}
.band .statement span { color: var(--bronze); }

/* ---------- CTA ---------- */
.cta { text-align: center; }
.cta h2 { max-width: 820px; margin-left: auto; margin-right: auto; }
.cta .btn-row { justify-content: center; }

/* ---------- Forms ---------- */
.form { display: grid; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.field label {
  display: block; font-size: .72rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
  color: var(--stone); margin-bottom: 8px;
}
.field label .req { color: var(--bronze); }
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 16px;
  background: rgba(244, 239, 230, .03); color: var(--ivory);
  border: 1px solid var(--rule); border-radius: 2px;
  font: inherit; font-size: 1rem;
  transition: border-color .2s ease, background .2s ease;
}
.field select { appearance: none; -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--bronze) 50%), linear-gradient(135deg, var(--bronze) 50%, transparent 50%);
  background-position: calc(100% - 22px) 52%, calc(100% - 16px) 52%;
  background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; padding-right: 44px;
}
.field select option { background: var(--charcoal); color: var(--ivory); }
.field textarea { min-height: 170px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--bronze); background: rgba(244, 239, 230, .05);
}
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: .88rem; color: var(--stone); margin: 0; }
.form-status {
  display: none; padding: 16px 20px; border: 1px solid var(--bronze); border-left-width: 3px;
  background: rgba(179, 138, 85, .08); color: var(--ivory); margin-bottom: 24px;
}
.form-status.show { display: block; }
.form-status.error { border-color: var(--stone); background: rgba(139, 130, 116, .12); }

.contact-aside .card + .card { margin-top: 20px; }
.contact-aside a { word-break: break-word; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--art-black); border-top: 1px solid var(--rule-soft);
  padding: clamp(56px, 7vw, 88px) 0 32px; font-size: .95rem;
}
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand img { width: 76px; margin-bottom: 18px; }
.footer-brand .tracked { font-size: .78rem; display: block; margin-bottom: 14px; }
.footer-title {
  font-size: .72rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase;
  color: var(--bronze); margin: 0 0 16px;
}
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: var(--ivory-muted); }
.footer-links a:hover { color: var(--bronze); }
.footer-bottom {
  margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--rule-soft);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  font-size: .8rem; color: var(--stone);
}

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }