/* =========================================
   ZWF LLC — Main Stylesheet
   Dark professional palette for federal audience
   ========================================= */

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #1c2333;
  --bg-card-hover: #212842;
  --border: #30363d;
  --border-accent: #3a4560;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #c9a84c;
  --accent-light: #e2c47a;
  --accent-dim: rgba(201, 168, 76, 0.12);
  --nav-height: 64px;
  --radius: 6px;
  --radius-lg: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.5);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s;
}

a:hover {
  color: var(--accent-light);
}

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

/* =========================================
   NAVIGATION
   ========================================= */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-height);
  display: flex;
  align-items: center;
}

.nav-inner {
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-brand-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.nav-brand-text {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.nav-brand-text span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: var(--bg-card);
}

.nav-links a.active {
  color: var(--accent);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all 0.25s;
}

/* =========================================
   LAYOUT UTILITIES
   ========================================= */

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-sm {
  padding: 48px 0;
}

.section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-heading {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 100%;
  line-height: 1.7;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* =========================================
   HERO (HOME)
   ========================================= */

.hero {
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--border);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero-eyebrow::before {
  content: "";
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 28px;
  letter-spacing: 0.01em;
}

.hero-body {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 100%;
  line-height: 1.75;
  margin-bottom: 40px;
}

.hero-body p + p {
  margin-top: 16px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(201, 168, 76, 0.25);
  padding: 5px 12px;
  border-radius: 20px;
  letter-spacing: 0.02em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* =========================================
   BUTTONS
   ========================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--accent);
  color: #0d1117;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  color: #0d1117;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-outline:hover {
  background: var(--bg-card);
  border-color: var(--border-accent);
  color: var(--text-primary);
}

/* =========================================
   CARDS
   ========================================= */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.card-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent);
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.card-body {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: 20px;
  text-decoration: none;
  transition: gap 0.15s;
}

.card-link:hover {
  gap: 10px;
  color: var(--accent-light);
}

/* =========================================
   GRID LAYOUTS
   ========================================= */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* =========================================
   PAGE HEADER (inner pages)
   ========================================= */

.page-header {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.page-header .section-label {
  margin-bottom: 10px;
}

.page-header .section-heading {
  margin-bottom: 12px;
}

/* =========================================
   TEAM CARDS
   ========================================= */

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color 0.2s;
}

.team-card:hover {
  border-color: var(--border-accent);
}

.team-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 2px solid rgba(201, 168, 76, 0.25);
  overflow: hidden;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-avatar-initials {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.team-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.team-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.team-bio {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* =========================================
   SERVICES PAGE
   ========================================= */

.services-intro {
  max-width: 100%;
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-top: 16px;
}

.service-block {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

.service-block:first-of-type {
  border-top: none;
  margin-top: 48px;
}

.service-block-header {
  margin-bottom: 32px;
}

.service-block-naics {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.service-block-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
}

.service-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.service-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  line-height: 1.5;
}

.service-list li::before {
  content: "";
  display: block;
  width: 5px;
  height: 5px;
  min-width: 5px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 6px;
}

/* =========================================
   CERTIFICATIONS PAGE
   ========================================= */

.cert-table-wrap {
  margin-top: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.cert-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.cert-table th {
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 12px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.cert-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.cert-table tr:last-child td {
  border-bottom: none;
}

.cert-table tr:hover td {
  background: var(--bg-secondary);
}

.cert-table td:first-child {
  color: var(--text-primary);
  font-weight: 500;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
}

.status-active {
  background: rgba(35, 134, 54, 0.15);
  color: #3fb950;
  border: 1px solid rgba(35, 134, 54, 0.3);
}

.status-pending {
  background: rgba(210, 153, 34, 0.12);
  color: #d29922;
  border: 1px solid rgba(210, 153, 34, 0.25);
}

.status-eligible {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(201, 168, 76, 0.25);
}

.status-tbd,
.status-not_applied {
  background: rgba(139, 148, 158, 0.1);
  color: var(--text-muted);
  border: 1px solid rgba(139, 148, 158, 0.2);
}

.naics-section {
  margin-top: 64px;
}

.capability-cta {
  margin-top: 64px;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.capability-cta-text h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.capability-cta-text p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* =========================================
   CONTACT PAGE
   ========================================= */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: start;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.9rem;
  padding: 10px 14px;
  outline: none;
  transition: border-color 0.15s;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

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

.form-error {
  display: block;
  font-size: 0.78rem;
  color: #f85149;
  margin-top: 5px;
}

.form-submit {
  margin-top: 8px;
}

.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 24px;
}

.alert-success {
  background: rgba(35, 134, 54, 0.12);
  border: 1px solid rgba(35, 134, 54, 0.25);
  color: #3fb950;
}

.contact-info-panel {
  padding: 32px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.contact-info-panel h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.contact-info-item svg {
  min-width: 16px;
  margin-top: 2px;
  stroke: var(--accent);
}

/* =========================================
   NAICS / FOOTER STRIP
   ========================================= */

.naics-strip {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}

.naics-strip-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: center;
}

.naics-item {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.naics-item strong {
  color: var(--text-secondary);
}

/* =========================================
   FOOTER
   ========================================= */

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 16px 0 12px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-left,
.footer-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-brand-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.footer-brand-name span {
  color: var(--accent);
}

.footer-sep {
  color: var(--border);
  font-size: 0.75rem;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-naics {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: 0.02em;
}

/* =========================================
   ABOUT PAGE BODY
   ========================================= */

.about-body {
  max-width: 100%;
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-top: 16px;
}

.about-body p + p {
  margin-top: 16px;
}

/* =========================================
   RESPONSIVE
   ========================================= */

@media (max-width: 900px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .capability-cta {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 12px 16px 20px;
    gap: 4px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    display: block;
    padding: 10px 12px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav {
    position: relative;
  }

  .hero {
    padding: 64px 0 56px;
  }

  .section {
    padding: 56px 0;
  }

  .contact-form {
    padding: 24px;
  }

  .service-list {
    grid-template-columns: 1fr;
  }

  .cert-table td,
  .cert-table th {
    padding: 10px 14px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}