/* =============================================
   Eagle Peak Advisors — Site Styles
   Government-professional, technical, restrained
   ============================================= */

:root {
  /* Color system */
  --color-primary:        #0A2540;  /* Deep navy — federal, authoritative */
  --color-primary-dark:   #061A30;
  --color-secondary:      #1F3A5F;  /* Slate blue */
  --color-accent:         #B8893C;  /* Muted bronze — used sparingly */
  --color-steel:          #5A7A9C;  /* Steel blue */
  --color-bg:             #FFFFFF;
  --color-bg-subtle:      #F4F6F9;
  --color-bg-deep:        #0A2540;
  --color-border:         #DEE3EB;
  --color-border-strong:  #C5CCD6;
  --color-text:           #1A2231;
  --color-text-muted:     #4A5568;
  --color-text-light:     #6B7787;
  --color-text-inverse:   #E8EDF4;

  /* Typography */
  --font-serif: 'Source Serif 4', 'Source Serif Pro', Georgia, 'Times New Roman', serif;
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono:  'IBM Plex Mono', 'SF Mono', Menlo, Consolas, monospace;

  /* Layout */
  --container-max:    1180px;
  --container-narrow: 880px;
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-xxl: 6rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

/* ---------- Typography ---------- */

h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

h1 { font-size: clamp(2.25rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.75rem, 2.8vw, 2.25rem); }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.0625rem; font-family: var(--font-sans); font-weight: 600; letter-spacing: 0.02em; }

p {
  margin: 0 0 1rem 0;
  color: var(--color-text-muted);
}

a {
  color: var(--color-secondary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}

a:hover { border-bottom-color: var(--color-accent); color: var(--color-primary); }

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.875rem;
  display: inline-block;
}

.lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 60ch;
}

/* ---------- Layout primitives ---------- */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section { padding: var(--space-xxl) 0; }
section.section-sm { padding: var(--space-xl) 0; }
section.subtle { background: var(--color-bg-subtle); }
section.deep {
  background: var(--color-bg-deep);
  color: var(--color-text-inverse);
}
section.deep h1, section.deep h2, section.deep h3 { color: #FFFFFF; }
section.deep p { color: var(--color-text-inverse); }
section.deep .eyebrow { color: #D9B26A; }

.divider {
  display: block;
  width: 48px;
  height: 2px;
  background: var(--color-accent);
  margin: 1.25rem 0 1.75rem;
}

.divider.center { margin-left: auto; margin-right: auto; }

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(160%) blur(8px);
  -webkit-backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: none;
  color: var(--color-primary);
}

.logo:hover { color: var(--color-primary); border: none; }

.logo-mark {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.logo-wordmark {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1;
}

.logo-wordmark .sub {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-top: 4px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav a {
  font-size: 0.9375rem;
  color: var(--color-text);
  font-weight: 500;
  border: none;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border-strong);
  border-radius: 4px;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  color: var(--color-primary);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.875rem 1.5rem;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #FFFFFF;
  border-color: var(--color-primary-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-bg-subtle);
}

.btn-inverse {
  background: #FFFFFF;
  color: var(--color-primary);
  border-color: #FFFFFF;
}
.btn-inverse:hover {
  background: transparent;
  color: #FFFFFF;
  border-color: #FFFFFF;
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-bg-subtle) 100%);
  border-bottom: 1px solid var(--color-border);
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.25rem, 4.2vw, 3.5rem);
  margin-bottom: 1.5rem;
}

.hero .lead {
  font-size: 1.1875rem;
  margin-bottom: 2rem;
  color: var(--color-text-muted);
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-aside {
  border-left: 2px solid var(--color-accent);
  padding-left: 1.75rem;
}

.hero-aside .tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--color-primary);
  line-height: 1.4;
  margin-bottom: 1rem;
}

.hero-aside .tagline-meta {
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-light);
  font-weight: 600;
}

/* ---------- Section heads ---------- */

.section-head {
  margin-bottom: 3rem;
  max-width: 720px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ---------- Service cards (overview) ---------- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.service-card {
  background: var(--color-bg);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
}

.service-card .service-icon {
  width: 56px;
  height: 56px;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  display: block;
}

.service-card .service-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.service-card h3 {
  margin-bottom: 0.875rem;
}

.service-card p {
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.service-card .service-link {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-primary);
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
  align-self: flex-start;
}

/* ---------- Detailed service blocks ---------- */

.service-block {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
}

.service-block:first-of-type { border-top: none; padding-top: 1rem; }

.service-block-label .service-icon {
  width: 72px;
  height: 72px;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  display: block;
}

.service-block-label .number {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.service-block-label h2 {
  font-size: 1.75rem;
}

.service-block-content .description {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.service-block-content h4 {
  color: var(--color-primary);
  text-transform: uppercase;
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.deliverable-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem 2rem;
}

.deliverable-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.5;
}

.deliverable-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.625rem;
  height: 2px;
  background: var(--color-accent);
}

/* ---------- Who we serve ---------- */

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.audience-card {
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  padding: 1.75rem;
}

.audience-card h4 {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.audience-card p {
  font-size: 0.9375rem;
  margin: 0;
}

/* ---------- Differentiators ---------- */

.differentiator-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
}

.differentiator h3 {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.differentiator p {
  font-size: 0.9375rem;
}

/* ---------- About page ---------- */

.about-mission {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  line-height: 1.5;
  color: var(--color-primary);
  border-left: 3px solid var(--color-accent);
  padding-left: 1.75rem;
  margin: 2rem 0;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 2.5rem;
}

.principle-number {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.principle h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 0.875rem;
}

/* ---------- Industries page ---------- */

.industry-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.industry-row:last-child { border-bottom: none; }

.industry-row h2 {
  font-size: 1.5rem;
}

.industry-row .industry-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.industry-row ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.industry-row ul li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
  color: var(--color-text);
}

.industry-row ul li:last-child { border-bottom: none; }

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.field label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.field input,
.field select,
.field textarea {
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 0.75rem 0.875rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 2px;
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(10, 37, 64, 0.08);
}

.field textarea { resize: vertical; min-height: 140px; }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.contact-aside {
  border-left: 1px solid var(--color-border);
  padding-left: 2.5rem;
}

.contact-aside h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  margin-top: 2rem;
}

.contact-aside h3:first-child { margin-top: 0; }

.contact-aside p,
.contact-aside address {
  font-style: normal;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin: 0;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-primary-dark);
  color: var(--color-text-inverse);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.site-footer h4 {
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1.25rem;
  font-weight: 600;
}

.site-footer .logo-wordmark { color: #FFFFFF; }
.site-footer .logo-wordmark .sub { color: rgba(232, 237, 244, 0.65); }
.site-footer .logo-mark { color: #FFFFFF; }

.site-footer p {
  color: rgba(232, 237, 244, 0.75);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 0.5rem;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer ul li {
  margin-bottom: 0.625rem;
}

.site-footer ul a {
  color: rgba(232, 237, 244, 0.85);
  font-size: 0.9375rem;
  border: none;
}

.site-footer ul a:hover {
  color: #FFFFFF;
  border-bottom: 1px solid var(--color-accent);
}

.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  color: rgba(232, 237, 244, 0.55);
  font-size: 0.8125rem;
}

/* ---------- Page header (interior pages) ---------- */

.page-header {
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
  padding: 4.5rem 0 4rem;
}

.page-header h1 { margin-bottom: 1rem; }
.page-header .lead { margin: 0; }

/* ---------- Utility ---------- */

.text-center { text-align: center; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .hero-grid,
  .contact-grid,
  .service-block,
  .industry-row { grid-template-columns: 1fr; gap: 2rem; }

  .hero-aside { border-left: none; border-top: 2px solid var(--color-accent); padding-left: 0; padding-top: 1.5rem; }

  .contact-aside { border-left: none; border-top: 1px solid var(--color-border); padding-left: 0; padding-top: 2.5rem; }

  .services-grid,
  .differentiator-grid,
  .audience-grid,
  .principles-grid { grid-template-columns: 1fr; }

  .audience-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }

  section { padding: var(--space-xl) 0; }
}

@media (max-width: 640px) {
  .site-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-nav.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #FFFFFF;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.5rem 1.5rem;
    gap: 0.75rem;
    border-bottom: 1px solid var(--color-border);
  }

  .deliverable-list { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-legal { flex-direction: column; align-items: flex-start; }
}