/* ==========================================================================
   GLOBAL CSS - Gavant Inc.
   ========================================================================== */

/* 1. CSS Reset & Base Variables */
:root {
  --color-primary: #17324D;
  --color-primary-dark: #0f2235;
  --color-teal: #2db373;
  --color-teal-hover: #24905c;
  --color-text-dark: #222222;
  --color-text-muted: #555555;
  --color-bg-light: #f4f6f8;
  --color-bg-white: #ffffff;
  --color-border: #e2e8f0;

  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --container-max-width: 1200px;
}

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

body {
  font-family: var(--font-family-base);
  color: var(--color-text-dark);
  background-color: var(--color-bg-white);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 8px 16px;
  z-index: 1000;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-soft {
  background-color: var(--color-bg-light);
}

.eyebrow {
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-teal);
  margin-bottom: 0.5rem;
}

.section-heading {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem auto;
}

.section-heading h2 {
  font-size: 2.25rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

/* 2. Site Header & Navigation */
.site-header {
  background-color: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 900;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand img {
  height: 45px;
  width: auto;
}

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

.nav-link {
  font-weight: 500;
  color: var(--color-primary);
  padding: 0.5rem 0;
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-teal);
}

/* Dropdown Navigation */
.nav-item {
  position: relative;
}

.services-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-bg-white);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  border-radius: 6px;
  padding: 1rem;
  min-width: 280px;
  z-index: 1000;
}

.services-menu a {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--color-text-dark);
  font-size: 0.95rem;
  border-radius: 4px;
}

.services-menu a:hover {
  background-color: var(--color-bg-light);
  color: var(--color-teal);
}

.services-menu .view-all {
  font-weight: 600;
  color: var(--color-teal);
  border-top: 1px solid var(--color-border);
  margin-top: 0.5rem;
  padding-top: 0.75rem;
}

.menu-toggle {
  display: none;
}

/* 3. Hero Section */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-copy h1 {
  font-size: 2.75rem;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.hero-copy h1 span {
  color: var(--color-teal);
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.hero-visual img {
  border-radius: 8px;
  box-shadow: 0 15px 30px rgba(0,0,0,0.08);
}

/* 4. Service Grid Section */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--color-bg-white);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.service-icon {
  font-size: 2rem;
  color: var(--color-teal);
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.35rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.text-link {
  color: var(--color-teal);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
}

.text-link:hover {
  text-decoration: underline;
}

/* 5. Why Gavant & Values */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.why-grid h2 {
  font-size: 2.25rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.why-grid .muted {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.brand-line {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-teal);
}

.value-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.value-item h3 {
  color: var(--color-primary);
  font-size: 1.25rem;
}

.value-kicker {
  font-weight: 600;
  color: var(--color-text-dark);
  font-size: 0.95rem;
  margin: 0.25rem 0 0.5rem 0;
}

.value-item p:last-child {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* 6. Audience Grid */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.audience-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  text-align: center;
  font-weight: 600;
  color: var(--color-primary);
  border-radius: 6px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}

/* 7. WOSB & SWaM Certification Section */
.wosb-note {
  background-color: var(--color-bg-white);
  border-left: 4px solid var(--color-teal);
  border-radius: 0 8px 8px 0;
  padding: 2rem 2.5rem;
  margin-top: 3rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  display: block;
  width: 100%;
  box-sizing: border-box;
}

.wosb-content {
  width: 100%;
}

.wosb-content p {
  width: 100%;
  color: var(--color-text-dark);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.wosb-highlight {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.wosb-badges {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1rem;
}

.cert-badge {
  height: 65px;
  width: auto;
  max-width: 110px;
  display: inline-block;
  object-fit: contain;
}

/* 8. Call to Action Band (Optimized Container & Reading Width) */
.cta-band {
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  padding: 5.5rem 0;
  text-align: center;
}

.cta-inner {
  max-width: 750px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.cta-inner h2 {
  font-size: 2.25rem;
  line-height: 1.3;
  margin-bottom: 1.25rem;
}

.cta-inner p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.65;
  margin: 0 auto 2.25rem auto;
}

.button {
  display: inline-block;
  font-weight: 600;
  padding: 0.85rem 2rem;
  border-radius: 6px;
  transition: background-color 0.2s ease, transform 0.1s ease;
  cursor: pointer;
}

.button-teal {
  background-color: var(--color-teal);
  color: #ffffff;
}

.button-teal:hover {
  background-color: var(--color-teal-hover);
}

/* 9. Site Footer */
.site-footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 4.5rem 0 2rem 0;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1.4fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
  align-items: start;
}

.footer-logo img {
  height: 42px;
  width: auto;
  margin-bottom: 1.25rem;
  filter: brightness(0) invert(1);
}

.footer-tagline {
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.925rem;
}

.footer-heading {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
}

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

.footer-links li {
  margin-bottom: 0.65rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--color-teal);
}

.footer-cert-text {
  font-size: 0.875rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.7);
}

.footer-cert-text strong {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s ease;
}

.footer-bottom-links a:hover {
  color: #ffffff;
}