/* ============================================================
 * Strat Group — marketing site
 * Modeled on the Waylin Partners architecture (dark, minimal,
 * bold uppercase split headline, numbered solutions grid,
 * 3-column approach, multi-column industries list) — rendered
 * in the Disclosure Bench palette: charcoal + rust, sharp
 * corners, IBM Plex Mono microtype. The hero/contact swirl is
 * an orange guilloché rosette generated in script.js.
 * ============================================================ */
:root {
  --brand-rust:        #b5562a;
  --brand-rust-bright: #d97a47;
  --brand-sage:        #5a7a4e;

  --surface-page:      #fafaf9;
  --surface-card:      #ffffff;
  --surface-dark:      #121212;
  --surface-dark-2:    #1c1c1c;
  --surface-warm:      #f3f1ed;

  --text-default:      #0a0a0a;
  --text-muted:        #56575b;
  --text-on-dark:      #f1efe7;
  --text-on-dark-muted:#a8a89e;

  --border-default:    rgba(10, 10, 10, 0.10);
  --border-on-dark:    rgba(255, 255, 255, 0.12);

  --maxw: 1200px;
  --font-sans: 'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  background: var(--surface-page);
  color: var(--text-default);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

svg { display: block; }
a { color: inherit; text-decoration: none; }

/* ---------- microtype ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.eyebrow--accent    { color: var(--brand-rust); }
.eyebrow--on-accent { color: rgba(255,255,255,0.82); }

.accent     { color: var(--brand-rust-bright); }
.accent-ink { color: var(--brand-rust); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 15px 26px;
  border: 1px solid transparent;
  border-radius: 0;
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease, transform 140ms ease;
}
.btn:active { transform: translateY(1px); }
.btn--accent { background: var(--brand-rust); color: #fff; }
.btn--accent:hover { background: var(--brand-rust-bright); }
.btn--ghost {
  background: transparent;
  color: var(--text-on-dark);
  border-color: var(--border-on-dark);
}
.btn--ghost:hover { border-color: var(--text-on-dark); background: rgba(255,255,255,0.05); }
.btn--block { width: 100%; }

/* ---------- wordmark ---------- */
.wordmark { display: inline-flex; flex-direction: column; gap: 4px; }
.wordmark__text {
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text-on-dark);
  white-space: nowrap;
}
.wordmark__light { font-weight: 500; color: var(--text-on-dark-muted); }
.wordmark__rule { height: 3px; width: 100%; background: var(--brand-rust-bright); }

/* ============================ NAV ============================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(18, 18, 18, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-on-dark);
}
.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-left: auto;
}
.nav__links > a,
.nav__item > a {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  transition: color 120ms ease;
}
.nav__links > a:hover,
.nav__item > a:hover { color: var(--text-on-dark); }
.nav__caret { font-size: 9px; opacity: 0.7; }

/* Services dropdown */
.nav__item { position: relative; }
.nav__menu {
  position: absolute;
  top: 100%;
  left: -16px;
  margin-top: 14px;
  min-width: 260px;
  background: var(--surface-dark-2);
  border: 1px solid var(--border-on-dark);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 140ms ease, transform 140ms ease, visibility 140ms;
}
.nav__item:hover .nav__menu,
.nav__item:focus-within .nav__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav__menu a {
  display: block;
  padding: 11px 20px;
  font-size: 14px;
  color: var(--text-on-dark-muted);
  transition: color 120ms ease, background 120ms ease;
}
.nav__menu a:hover { color: var(--text-on-dark); background: rgba(255,255,255,0.04); }
.nav__cta { padding: 11px 18px; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  margin-left: auto;
}
.nav__toggle span { width: 24px; height: 2px; background: var(--text-on-dark); transition: 200ms; }

/* ============================ HERO ============================ */
.hero {
  background: var(--surface-dark);
  color: var(--text-on-dark);
  position: relative;
  overflow: hidden;
}
.hero::before {
  /* warm rust glow, top-right */
  content: "";
  position: absolute;
  top: -240px; right: -180px;
  width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(181,86,42,0.30), transparent 65%);
  pointer-events: none;
}
.hero::after {
  /* faint vertical rule grid texture */
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 84px 100%;
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 130px 32px 120px;
}
.hero__title {
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.98;
  text-transform: uppercase;
  margin: 26px 0 0;
}
.hero__lede {
  margin-top: 30px;
  max-width: 52ch;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: var(--text-on-dark-muted);
  line-height: 1.55;
}
.hero__actions { position: relative; z-index: 1; margin-top: 40px; display: flex; gap: 14px; flex-wrap: wrap; }

/* ============================ INTRO / VALUE PROP ============================ */
.intro {
  background: var(--surface-warm);
  border-bottom: 1px solid var(--border-default);
  padding: 96px 32px;
}
.intro__inner { max-width: 980px; margin: 0 auto; text-align: center; }
.intro__text {
  margin-top: 22px;
  font-size: clamp(1.4rem, 2.8vw, 2.1rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.4;
  color: var(--text-default);
}

/* ============================ SECTIONS ============================ */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 110px 32px;
}
.section__head { max-width: 820px; margin-bottom: 64px; }
.section__title {
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.04;
  margin-top: 18px;
}
.section__intro {
  margin-top: 22px;
  font-size: 1.18rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 60ch;
}

/* ---------- solutions (numbered cards) ---------- */
.solutions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--border-default);
  border-left: 1px solid var(--border-default);
}
.solution {
  display: flex;
  gap: 26px;
  padding: 44px 40px 48px;
  border-right: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
  background: var(--surface-card);
  position: relative;
  transition: background 160ms ease;
}
.solution::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--brand-rust);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}
.solution:hover { background: #fff; }
.solution:hover::before { transform: scaleX(1); }
.solution__num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-rust);
  letter-spacing: 0.08em;
  padding-top: 4px;
  flex-shrink: 0;
}
.solution__title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 14px;
}
.solution__text { color: var(--text-muted); font-size: 15.5px; }
.solution__more {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-rust);
  transition: gap 140ms ease, color 140ms ease;
}
.solution__more span { display: inline-block; transition: transform 160ms ease; }
.solution__more:hover { color: var(--brand-rust-bright); }
.solution__more:hover span { transform: translateX(5px); }

/* ============================ APPROACH (3-col) ============================ */
.approach__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.pillar2__rule { display: block; width: 40px; height: 3px; background: var(--brand-rust); margin-bottom: 22px; }
.pillar2__title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}
.pillar2__text { color: var(--text-muted); font-size: 15.5px; }

/* ============================ INDUSTRIES (multi-column list) ============================ */
.industries__list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border-default);
}
.industries__list li {
  padding: 22px 8px 22px 0;
  border-bottom: 1px solid var(--border-default);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-default);
  position: relative;
  padding-left: 22px;
}
.industries__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 7px; height: 7px;
  background: var(--brand-rust);
}

/* ============================ CONTACT / CTA ============================ */
.cta {
  background: var(--surface-dark);
  color: var(--text-on-dark);
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  bottom: -220px; left: -120px;
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(90,122,78,0.28), transparent 65%);
  pointer-events: none;
}
.cta__inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 110px 32px;
  text-align: center;
}
.cta__title {
  font-size: clamp(2.2rem, 4.8vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  margin-top: 14px;
}
.cta__lede {
  margin: 22px auto 0;
  max-width: 54ch;
  color: var(--text-on-dark-muted);
  font-size: 1.1rem;
}
.cta__form {
  margin-top: 44px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  text-align: left;
}
.hidden-field { display: none; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--wide { grid-column: 1 / -1; }
.field label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
}
.field input, .field textarea {
  background: var(--surface-dark-2);
  border: 1px solid var(--border-on-dark);
  color: var(--text-on-dark);
  padding: 14px 15px;
  font-family: var(--font-sans);
  font-size: 15px;
  border-radius: 0;
  resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: #6f6f68; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--brand-rust-bright); }
.cta__form .btn { grid-column: 1 / -1; }

/* ============================ FOOTER ============================ */
.footer { background: #0c0c0c; color: var(--text-on-dark-muted); }
.footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 72px 32px 44px;
  display: grid;
  grid-template-columns: 1.3fr 2fr;
  gap: 56px;
}
.wordmark--footer .wordmark__rule { background: var(--brand-rust); }
.footer__tag { margin-top: 18px; max-width: 32ch; font-size: 14px; }
.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer__heading { margin-bottom: 18px; color: #7a7a72; }
.footer__col a, .footer__addr {
  display: block;
  font-size: 14.5px;
  margin-bottom: 11px;
  color: var(--text-on-dark-muted);
  transition: color 120ms ease;
}
.footer__col a:hover { color: var(--text-on-dark); }
.footer__bar {
  border-top: 1px solid var(--border-on-dark);
  padding: 24px 32px;
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: #6f6f68;
}
.footer__legal a:hover { color: var(--text-on-dark); }

/* ============================ SCROLL REVEAL ============================ */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================ RESPONSIVE ============================ */
@media (max-width: 900px) {
  .approach__cols { grid-template-columns: 1fr; gap: 36px; }
  .industries__list { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  .nav.is-open .nav__links {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface-dark);
    border-bottom: 1px solid var(--border-on-dark);
    padding: 8px 0;
  }
  .nav.is-open .nav__links > a,
  .nav.is-open .nav__item > a { padding: 14px 32px; display: block; }
  .nav.is-open .nav__menu {
    position: static;
    opacity: 1; visibility: visible; transform: none;
    margin: 0; border: 0; background: transparent;
    padding: 0 0 8px;
  }
  .nav.is-open .nav__menu a { padding-left: 48px; }
  .nav__caret { display: none; }
  .nav__inner { gap: 16px; }
  .section { padding: 72px 24px; }
  .hero__inner { padding: 96px 24px 88px; }
  .intro { padding: 72px 24px; }
  .solutions { grid-template-columns: 1fr; }
  .solution { padding: 36px 26px 40px; }
  .industries__list { grid-template-columns: 1fr; }
  .cta__form { grid-template-columns: 1fr; }
  .field--wide { grid-column: auto; }
}