/* ==========================================================================
   Imperium Marketing Group — Design Tokens
   ========================================================================== */
:root {
  --bg: #080808;
  --bg-raised: #121212;
  --bg-card: #181818;
  --text-primary: #F2EFE8;
  --text-secondary: #AAA7A0;
  --border: #303030;
  --accent: #B08D57;      /* brass — used sparingly: rules, focus, hover */
  --accent-dim: #7A6A4A;
  --btn-bg: #F2EFE8;
  --btn-text: #0A0A0A;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-label: "Barlow Condensed", "Inter", sans-serif;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;
  --space-8: 128px;

  --container: 1200px;
  --radius: 3px;
  --transition: 220ms cubic-bezier(.4,0,.2,1);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Reset & base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  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; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 560; margin: 0 0 var(--space-3); letter-spacing: -0.01em; }
p { margin: 0 0 var(--space-2); color: var(--text-secondary); }
button { font-family: inherit; }

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--btn-bg);
  color: var(--btn-text);
  padding: 12px 20px;
  z-index: 1000;
  font-family: var(--font-label);
}
.skip-link:focus {
  left: var(--space-2);
  top: var(--space-2);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.section-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-7) var(--space-4);
}

.eyebrow {
  font-family: var(--font-label);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 13px;
  color: var(--accent);
  margin-bottom: var(--space-2);
  font-weight: 600;
}

.section-lead {
  max-width: 60ch;
  font-size: 17px;
  color: var(--text-secondary);
}

h2 { font-size: clamp(28px, 3.6vw, 40px); max-width: 22ch; }
.subheading {
  font-family: var(--font-label);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 15px;
  color: var(--text-primary);
  font-weight: 600;
  margin-top: var(--space-5);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-label);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 14px;
  font-weight: 600;
  padding: 14px 26px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--btn-bg);
  color: var(--btn-text);
}
.btn-primary:hover { background: var(--accent); color: var(--bg); }
.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ==========================================================================
   Signature element — the scroll "spine"
   Editorial margin-note wayfinding rail, desktop only.
   ========================================================================== */
.spine {
  position: fixed;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: none;
  align-items: center;
  gap: var(--space-2);
}
.spine-track {
  position: relative;
  width: 1px;
  height: 260px;
  background: var(--border);
}
.spine-fill {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 0%;
  background: var(--accent);
  transition: height 120ms linear;
}
.spine-labels {
  position: absolute;
  left: 14px;
  top: 0;
  height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.spine-labels li {
  font-family: var(--font-label);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 11px;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.spine-labels li.active { color: var(--accent); }

@media (min-width: 1200px) {
  .spine { display: flex; }
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8,8,8,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-2) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 560;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand span { color: var(--text-secondary); font-weight: 440; }

.primary-nav { margin-left: auto; display: none; }
.primary-nav ul { display: flex; gap: var(--space-4); }
.primary-nav a {
  font-family: var(--font-label);
  text-transform: uppercase;
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.primary-nav a:hover { color: var(--text-primary); }

.nav-cta { display: none; }

.menu-toggle {
  margin-left: auto;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.menu-toggle span {
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  transition: transform var(--transition), opacity var(--transition);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-nav {
  max-height: 0;
  overflow: hidden;
  border-top: 1px solid transparent;
  transition: max-height var(--transition);
  background: var(--bg);
}
.mobile-nav.open {
  max-height: 480px;
  border-top-color: var(--border);
}
.mobile-nav ul {
  padding: var(--space-3) var(--space-4) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.mobile-nav a {
  font-family: var(--font-label);
  text-transform: uppercase;
  font-size: 16px;
  letter-spacing: 0.05em;
}
.mobile-cta {
  margin: var(--space-3) var(--space-4) var(--space-4);
  width: calc(100% - var(--space-4) * 2);
}

@media (min-width: 900px) {
  .primary-nav { display: block; }
  .nav-cta { display: inline-flex; }
  .menu-toggle { display: none; }
  .mobile-nav { display: none; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding: var(--space-8) var(--space-4) var(--space-7);
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 800px 400px at 15% -10%, rgba(176,141,87,0.08), transparent 60%);
}
.hero-inner { max-width: var(--container); margin: 0 auto; }
.hero h1 {
  font-size: clamp(36px, 5.6vw, 68px);
  line-height: 1.05;
  max-width: 16ch;
  margin-bottom: var(--space-4);
}
.hero-sub {
  font-size: 19px;
  color: var(--text-primary);
  opacity: 0.88;
  max-width: 58ch;
  margin-bottom: var(--space-4);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-4); }
.trust-line {
  font-family: var(--font-label);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 13px;
  color: var(--text-secondary);
}

/* ==========================================================================
   Credibility / metrics
   ========================================================================== */
.credibility { background: var(--bg-raised); border-bottom: 1px solid var(--border); }
.metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin: var(--space-5) 0 var(--space-3);
}
.metric {
  border-top: 1px solid var(--border);
  padding-top: var(--space-3);
}
.metric-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(36px, 4.4vw, 52px);
  color: var(--text-primary);
  line-height: 1;
}
.metric-label {
  display: block;
  margin-top: var(--space-1);
  font-family: var(--font-label);
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}
.disclaimer { font-size: 13px; color: var(--text-secondary); opacity: 0.75; max-width: 65ch; }

@media (min-width: 700px) {
  .metrics { grid-template-columns: repeat(3, 1fr); }
}

/* ==========================================================================
   Services
   ========================================================================== */
.services { border-bottom: 1px solid var(--border); }
.service-grid {
  margin-top: var(--space-5);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.service-card {
  background: var(--bg-card);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.service-index {
  font-family: var(--font-label);
  color: var(--accent);
  font-size: 14px;
  letter-spacing: 0.05em;
}
.service-card h3 { font-size: 19px; margin-bottom: var(--space-1); }
.service-card p { font-size: 15px; margin-bottom: var(--space-2); }
.service-link {
  margin-top: auto;
  font-family: var(--font-label);
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition), color var(--transition);
}
.service-link:hover { gap: 10px; color: var(--accent); }

@media (min-width: 700px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1100px) {
  .service-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ==========================================================================
   Strategy session
   ========================================================================== */
.strategy { background: var(--bg-raised); border-bottom: 1px solid var(--border); }
.deliverables {
  margin-top: var(--space-3);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
.deliverable {
  border-left: 2px solid var(--accent);
  padding-left: var(--space-2);
}
.deliverable h4 { font-family: var(--font-body); font-size: 16px; font-weight: 600; margin: 0 0 4px; color: var(--text-primary); }
.deliverable p { font-size: 14.5px; margin: 0; }

.strategy-cta {
  margin-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

@media (min-width: 700px) {
  .deliverables { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1100px) {
  .deliverables { grid-template-columns: repeat(3, 1fr); }
}

/* ==========================================================================
   Results
   ========================================================================== */
.results { border-bottom: 1px solid var(--border); }
.results-placeholder {
  margin-top: var(--space-4);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}
.results-placeholder p { max-width: 55ch; font-size: 16px; }

/* ==========================================================================
   About / Insights
   ========================================================================== */
.about { background: var(--bg-raised); border-bottom: 1px solid var(--border); }
.insights { border-bottom: 1px solid var(--border); }
.insights .btn { margin-top: var(--space-2); }

/* ==========================================================================
   Final CTA
   ========================================================================== */
.final-cta {
  text-align: left;
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(180deg, var(--bg) 0%, var(--bg-raised) 100%);
}
.final-cta h2 { max-width: 20ch; }
.final-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-3); }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
.contact-details {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.contact-details li {
  font-size: 15px;
  color: var(--text-primary);
}
.contact-details span {
  display: block;
  font-family: var(--font-label);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 2px;
}
.contact-details a:hover { color: var(--accent); }

.contact-form { display: flex; flex-direction: column; gap: var(--space-3); }
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label {
  font-family: var(--font-label);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}
.form-row input, .form-row textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 14px;
  resize: vertical;
  transition: border-color var(--transition);
}
.form-row input:focus, .form-row textarea:focus {
  border-color: var(--accent);
}
.form-status { font-size: 14px; color: var(--accent); min-height: 1.2em; }
.contact-form .btn { align-self: flex-start; }

@media (min-width: 900px) {
  .contact-inner { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--bg-raised); }
.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-4);
}
.brand-mark { font-family: var(--font-display); font-size: 20px; margin-bottom: var(--space-1); }
.brand-mark span { color: var(--text-secondary); font-weight: 440; }
.footer-tagline { font-size: 14px; max-width: 32ch; }
.footer-nav { display: flex; gap: var(--space-6); flex-wrap: wrap; }
.footer-nav h4 {
  font-family: var(--font-label);
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}
.footer-nav ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { font-size: 14px; color: var(--text-secondary); }
.footer-nav a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: var(--space-3);
  padding-bottom: var(--space-4);
}
.footer-bottom p { font-size: 13px; margin: 0; }

@media (min-width: 700px) {
  .footer-inner { grid-template-columns: 1fr auto; align-items: start; }
}

/* ==========================================================================
   Section rhythm on small screens
   ========================================================================== */
@media (max-width: 480px) {
  .section-inner { padding: var(--space-5) var(--space-3); }
  .hero { padding: var(--space-6) var(--space-3) var(--space-5); }
  .btn { width: 100%; }
  .hero-actions, .strategy-cta, .final-actions { flex-direction: column; }
}