/* ============================================================
   OAS DESIGN SYSTEM — Shared Stylesheet
   Source: figma-build/design-tokens.json
   ============================================================ */

/* ============================================================
   GOOGLE FONTS
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@400;600;700&display=swap');

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* Colours */
  --color-navy: #1B2A4A;
  --color-white: #FFFFFF;
  --color-accent-blue: #2E5090;
  --color-steel-blue: #4A7AB5;
  --color-black: #000000;
  --color-light-grey: #F5F5F5;
  --color-medium-grey: #E0E0E0;

  /* Typography */
  --font-family: 'Lato', 'Open Sans', sans-serif;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 80px;

  /* Grid */
  --grid-max-width: 1200px;
  --grid-gutter: 24px;
  --grid-columns: 12;

  /* Shadows */
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 4px 16px rgba(0, 0, 0, 0.12);

  /* Buttons */
  --btn-radius: 4px;
  --btn-padding: 12px 24px;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-black);
  background: var(--color-white);
}

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

a {
  color: var(--color-accent-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul, ol {
  list-style: none;
}

/* ============================================================
   TYPOGRAPHY CLASSES
   ============================================================ */
h1, h2, h3, h4, .h1, .h2, .h3, .h4 {
  color: var(--color-navy);
  font-family: var(--font-family);
}

h1, .h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h2, .h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

h3, .h3 {
  font-size: 24px;
  font-weight: 600;
  line-height: 1.4;
}

h4, .h4 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
}

.body {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-black);
}

.body-large {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-black);
}

.small {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--color-black);
}

p {
  margin-bottom: var(--space-sm);
}

p:last-child {
  margin-bottom: 0;
}

/* ============================================================
   ACCESSIBILITY — Skip Link
   ============================================================ */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-accent-blue);
  color: var(--color-white);
  padding: 12px 24px;
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--btn-radius);
  z-index: 10000;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 2px;
}

/* ============================================================
   ACCESSIBILITY — Focus States
   ============================================================ */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 2px;
}

/* ============================================================
   LAYOUT — Container
   ============================================================ */
.container {
  max-width: var(--grid-max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ============================================================
   LAYOUT — Grid System
   ============================================================ */
.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 calc(var(--grid-gutter) / -2);
}

.row > [class*="col-"] {
  padding: 0 calc(var(--grid-gutter) / 2);
}

.col-1  { flex: 0 0 calc(100% / 12 * 1);  max-width: calc(100% / 12 * 1); }
.col-2  { flex: 0 0 calc(100% / 12 * 2);  max-width: calc(100% / 12 * 2); }
.col-3  { flex: 0 0 calc(100% / 12 * 3);  max-width: calc(100% / 12 * 3); }
.col-4  { flex: 0 0 calc(100% / 12 * 4);  max-width: calc(100% / 12 * 4); }
.col-5  { flex: 0 0 calc(100% / 12 * 5);  max-width: calc(100% / 12 * 5); }
.col-6  { flex: 0 0 calc(100% / 12 * 6);  max-width: calc(100% / 12 * 6); }
.col-7  { flex: 0 0 calc(100% / 12 * 7);  max-width: calc(100% / 12 * 7); }
.col-8  { flex: 0 0 calc(100% / 12 * 8);  max-width: calc(100% / 12 * 8); }
.col-9  { flex: 0 0 calc(100% / 12 * 9);  max-width: calc(100% / 12 * 9); }
.col-10 { flex: 0 0 calc(100% / 12 * 10); max-width: calc(100% / 12 * 10); }
.col-11 { flex: 0 0 calc(100% / 12 * 11); max-width: calc(100% / 12 * 11); }
.col-12 { flex: 0 0 100%; max-width: 100%; }

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: var(--space-xl) 0;
}

.section--navy {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.section--navy h1,
.section--navy h2,
.section--navy h3,
.section--navy h4 {
  color: var(--color-white);
}

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

.section--white {
  background-color: var(--color-white);
}

/* ============================================================
   BUTTONS — Shared Base
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.0;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  padding: var(--btn-padding);
  border-radius: var(--btn-radius);
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  transition: background-color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  border: 2px solid transparent;
  text-align: center;
}

.btn:hover {
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 2px;
}

/* Explore Button */
.btn-explore {
  background-color: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

.btn-explore:hover {
  background-color: var(--color-steel-blue);
  border-color: var(--color-steel-blue);
  color: var(--color-white);
}

/* Watch Video Button */
.btn-watch-video,
.btn-video {
  background-color: transparent;
  color: var(--color-navy);
  border: 2px solid var(--color-navy);
}

.btn-watch-video:hover,
.btn-video:hover {
  background-color: var(--color-light-grey);
  color: var(--color-navy);
}

/* On dark backgrounds */
.section--navy .btn-watch-video,
.section--navy .btn-video,
.hero-gradient .btn-watch-video,
.hero-gradient .btn-video {
  color: var(--color-white);
  border-color: var(--color-white);
}

.section--navy .btn-watch-video:hover,
.section--navy .btn-video:hover,
.hero-gradient .btn-watch-video:hover,
.hero-gradient .btn-video:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

/* Request a Demo Button */
.btn-request-demo,
.btn-demo {
  background-color: var(--color-accent-blue);
  color: var(--color-white);
  border-color: var(--color-accent-blue);
}

.btn-request-demo:hover,
.btn-demo:hover {
  background-color: #24407a;
  border-color: #24407a;
  color: var(--color-white);
}

/* On dark backgrounds — demo button stays the same but explore inverts */
.section--navy .btn-explore,
.hero-gradient .btn-explore,
.cta-banner .btn-explore {
  background-color: var(--color-white);
  color: var(--color-navy);
  border-color: var(--color-white);
}

.section--navy .btn-explore:hover,
.hero-gradient .btn-explore:hover,
.cta-banner .btn-explore:hover {
  background-color: var(--color-light-grey);
  color: var(--color-navy);
  border-color: var(--color-light-grey);
}

/* ============================================================
   COMPONENT: Navigation Bar
   ============================================================ */
.navbar {
  background-color: var(--color-navy);
  height: 72px;
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 var(--space-md);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--grid-max-width);
  margin: 0 auto;
}

.navbar__logo {
  min-width: 120px;
  flex-shrink: 0;
}

.navbar__logo a {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.navbar__logo img,
.navbar__logo svg {
  height: 36px;
  width: auto;
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar__menu a {
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.0;
  letter-spacing: 0.03em;
  color: var(--color-white);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.navbar__menu a:hover,
.navbar__menu a:focus-visible {
  border-bottom-color: var(--color-white);
  text-decoration: none;
}

.navbar__menu a.active {
  border-bottom-color: var(--color-steel-blue);
}

.navbar__cta {
  margin-left: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ============================================================
   COMPONENT: Site Search
   ============================================================ */
.navbar__search {
  position: relative;
}

.navbar__search-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  opacity: 0.8;
  transition: opacity 0.2s ease;
}

.navbar__search-toggle:hover {
  opacity: 1;
}

.search-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(27, 42, 74, 0.85);
  z-index: 2000;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
  backdrop-filter: blur(4px);
}

.search-overlay.active {
  display: flex;
}

.search-container {
  width: 100%;
  max-width: 640px;
  padding: 0 var(--space-md);
}

.search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input-wrap svg {
  position: absolute;
  left: 16px;
  color: var(--color-steel-blue);
  pointer-events: none;
}

.search-input {
  width: 100%;
  font-family: var(--font-family);
  font-size: 18px;
  padding: 16px 48px 16px 48px;
  border: 2px solid var(--color-steel-blue);
  border-radius: 8px;
  background: var(--color-white);
  color: var(--color-navy);
  outline: none;
  transition: border-color 0.2s ease;
}

.search-input:focus {
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(46, 80, 144, 0.2);
}

.search-input::placeholder {
  color: #999;
}

.search-close {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  color: #999;
  display: flex;
  align-items: center;
  transition: color 0.15s ease;
}

.search-close:hover {
  color: var(--color-navy);
}

.search-hint {
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--font-family);
  font-size: 13px;
  margin-top: 12px;
}

.search-hint kbd {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
  padding: 2px 6px;
  font-family: var(--font-family);
  font-size: 12px;
}

.search-results {
  margin-top: 8px;
  max-height: 400px;
  overflow-y: auto;
  border-radius: 8px;
  background: var(--color-white);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.search-results:empty {
  display: none;
}

.search-result-item {
  display: block;
  padding: 14px 20px;
  text-decoration: none;
  border-bottom: 1px solid var(--color-light-grey);
  transition: background-color 0.1s ease;
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover,
.search-result-item.active {
  background-color: var(--color-light-grey);
}

.search-result-item__title {
  font-family: var(--font-family);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 2px;
}

.search-result-item__section {
  font-family: var(--font-family);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-steel-blue);
  margin-bottom: 2px;
}

.search-result-item__snippet {
  font-family: var(--font-family);
  font-size: 13px;
  color: #666;
  line-height: 1.4;
}

.search-result-item__snippet mark {
  background: rgba(46, 80, 144, 0.15);
  color: var(--color-accent-blue);
  font-weight: 600;
  padding: 0 2px;
  border-radius: 2px;
}

.search-no-results {
  padding: 24px 20px;
  text-align: center;
  font-family: var(--font-family);
  font-size: 14px;
  color: #999;
}

/* Hamburger — hidden on desktop */
.navbar__hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-height: 44px;
  min-width: 44px;
  align-items: center;
  justify-content: center;
}

.navbar__hamburger:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 2px;
}

/* Mobile menu toggle — CSS-only with checkbox hack */
.navbar__toggle {
  display: none;
}

/* ============================================================
   COMPONENT: Dropdown Navigation
   ============================================================ */
.navbar__menu > li {
  position: relative;
  list-style: none;
}

.navbar__menu > li > a {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Dropdown arrow */
.navbar__menu > li > a .nav-arrow {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--color-white);
  margin-left: 4px;
  transition: transform 0.2s ease;
  opacity: 0.7;
}

/* Dropdown container */
.navbar__dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding-top: 12px;
  z-index: 1001;
  min-width: 260px;
}

.navbar__dropdown-inner {
  background: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  padding: 8px 0;
  border: 1px solid var(--color-medium-grey);
}

/* Show dropdown on hover */
.navbar__menu > li:hover > .navbar__dropdown,
.navbar__menu > li:focus-within > .navbar__dropdown {
  display: block;
}

.navbar__menu > li:hover > a .nav-arrow {
  transform: rotate(180deg);
}

/* Dropdown section heading */
.navbar__dropdown-heading {
  font-family: var(--font-family);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-steel-blue);
  padding: 12px 20px 4px;
  margin: 0;
}

.navbar__dropdown-divider {
  height: 1px;
  background: var(--color-medium-grey);
  margin: 6px 12px;
}

/* Dropdown links */
.navbar__dropdown a {
  display: block;
  font-family: var(--font-family);
  font-size: 14px;
  font-weight: 400;
  color: var(--color-navy);
  text-decoration: none;
  padding: 8px 20px;
  transition: background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.navbar__dropdown a:hover {
  background-color: var(--color-light-grey);
  color: var(--color-accent-blue);
}

/* Coming soon (greyed out) links */
.navbar__dropdown a.nav-coming-soon {
  color: #B0B0B0;
  cursor: default;
  position: relative;
}

.navbar__dropdown a.nav-coming-soon::after {
  content: "Soon";
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-medium-grey);
  color: #888;
  padding: 1px 6px;
  border-radius: 3px;
  margin-left: 8px;
  vertical-align: middle;
}

.navbar__dropdown a.nav-coming-soon:hover {
  background-color: transparent;
  color: #B0B0B0;
}

/* ============================================================
   COMPONENT: Hero — Gradient Variant
   ============================================================ */
.hero-gradient {
  background: linear-gradient(135deg, var(--color-navy) 0%, #243654 50%, var(--color-accent-blue) 100%);
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  position: relative;
  overflow: hidden;
}

.hero-gradient::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 70% 20%, rgba(74, 122, 181, 0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 30% 80%, rgba(46, 80, 144, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-gradient__content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero-gradient__content h1 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.hero-gradient__content p {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-white);
  opacity: 0.85;
  margin-bottom: var(--space-lg);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.hero-gradient__buttons {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   COMPONENT: Hero — Split Variant
   ============================================================ */
.hero-split {
  display: grid;
  grid-template-columns: 7fr 5fr;
  min-height: auto;
  background-color: var(--color-white);
}

.hero-split__text {
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-split__text h1 {
  color: var(--color-navy);
  margin-bottom: var(--space-md);
}

.hero-split__text p {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-black);
  margin-bottom: var(--space-lg);
}

.hero-split__buttons {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.hero-split__visual {
  background-color: var(--color-light-grey);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

/* ============================================================
   COMPONENT: Stats Bar
   ============================================================ */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-md);
  flex-wrap: wrap;
}

.stat-block {
  text-align: center;
  min-width: 200px;
  padding: var(--space-md) var(--space-sm);
}

.stat-block__number {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.stat-block__label {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
}

/* Stats on navy bg */
.section--navy .stat-block__number {
  color: var(--color-white);
}

.section--navy .stat-block__label {
  color: rgba(255, 255, 255, 0.75);
}

.stat-block + .stat-block {
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  padding-left: var(--space-lg);
}

/* Stats on white/light bg */
.section--white .stat-block__number,
.section--light-grey .stat-block__number {
  color: var(--color-navy);
}

.section--white .stat-block__label,
.section--light-grey .stat-block__label {
  color: var(--color-black);
}

.section--white .stat-block + .stat-block,
.section--light-grey .stat-block + .stat-block {
  border-left-color: var(--color-medium-grey);
}

/* ============================================================
   COMPONENT: Service Card
   ============================================================ */
.service-card {
  background-color: var(--color-white);
  border-radius: var(--btn-radius);
  border-top: 3px solid var(--color-navy);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  color: var(--color-navy);
}

.service-card__icon svg {
  width: 48px;
  height: 48px;
  stroke: var(--color-navy);
  stroke-width: 2;
  fill: none;
}

.service-card h3,
.service-card h4 {
  margin-bottom: var(--space-sm);
}

.service-card p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-black);
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.service-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

.service-card .products-tag {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-steel-blue);
  margin-bottom: var(--space-sm);
  line-height: 1.5;
}

.service-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

/* ============================================================
   COMPONENT: Two-Column Section
   ============================================================ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.two-col--reverse .two-col__visual {
  order: -1;
}

.two-col--reverse .two-col__text {
  order: 1;
}

.two-col__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.two-col__text h2 {
  margin-bottom: var(--space-xs);
}

.two-col__text p {
  max-width: 580px;
}

.two-col__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

/* Bullet list styling */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.feature-list__item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.feature-list__label {
  font-weight: 700;
  color: var(--color-navy);
  min-width: 100px;
  flex-shrink: 0;
}

.feature-list__text {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-black);
}

/* Simple bullet list */
.bullet-list {
  margin: var(--space-md) 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bullet-list li {
  padding-left: var(--space-md);
  position: relative;
  font-size: 16px;
  line-height: 1.6;
}

.bullet-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent-blue);
}

/* Footnote / small text */
.footnote {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-steel-blue);
  font-style: italic;
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-medium-grey);
}

.section--light-grey .footnote {
  border-top-color: var(--color-medium-grey);
}

/* ============================================================
   COMPONENT: Feature Grid (Why Trust OAS)
   ============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.feature-grid__item {
  padding: var(--space-md);
  border-left: 3px solid var(--color-accent-blue);
}

.feature-grid__item strong {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-xs);
}

.feature-grid__item span {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-black);
}

/* ============================================================
   COMPONENT: CTA Banner
   ============================================================ */
.cta-banner {
  background-color: var(--color-navy);
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  width: 100%;
}

.cta-banner__inner {
  max-width: 700px;
  margin: 0 auto;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.cta-banner p {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-white);
  opacity: 0.85;
  margin-bottom: var(--space-lg);
}

.cta-banner__buttons {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   COMPONENT: Partner Logo Strip
   ============================================================ */
.partner-strip {
  padding: var(--space-lg) 0;
}

.partner-strip__heading {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.partner-strip__inner {
  max-width: var(--grid-max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.partner-logo {
  height: 44px;
  width: auto;
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.partner-logo:hover {
  opacity: 1;
}

.partner-logo img,
.partner-logo svg {
  height: 44px;
  width: auto;
  max-width: 140px;
}

.partner-strip__separator {
  width: 1px;
  height: 40px;
  background-color: var(--color-medium-grey);
  flex-shrink: 0;
}

/* Partner text placeholder (when logo not available) */
.partner-logo--text {
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: 0.02em;
  padding: 8px 16px;
  border: 1px solid var(--color-medium-grey);
  border-radius: var(--btn-radius);
  height: 44px;
  display: flex;
  align-items: center;
}

/* ============================================================
   COMPONENT: Text Section
   ============================================================ */
.text-section {
  max-width: 780px;
  margin: 0 auto;
}

.text-section h2 {
  margin-bottom: var(--space-md);
}

.text-section p {
  font-size: 18px;
  line-height: 1.7;
}

/* ============================================================
   COMPONENT: Industry / Small Card Grid
   ============================================================ */
.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.industry-card {
  background-color: var(--color-white);
  border-radius: var(--btn-radius);
  border-top: 3px solid var(--color-navy);
  padding: var(--space-md);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.industry-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.industry-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-sm);
}

.industry-card__icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--color-navy);
  stroke-width: 2;
  fill: none;
}

.industry-card h4 {
  margin-bottom: var(--space-xs);
  font-size: 18px;
}

.industry-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-black);
}

/* ============================================================
   COMPONENT: Footer
   ============================================================ */
.footer {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: var(--space-xl) 0 var(--space-lg) 0;
}

.footer__inner {
  max-width: var(--grid-max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  margin-bottom: var(--space-md);
}

.footer__logo img,
.footer__logo svg {
  height: 36px;
  width: auto;
}

.footer__tagline {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
}

.footer__columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.footer__column h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__column ul li {
  margin-bottom: 12px;
}

.footer__column ul a {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  line-height: 1.5;
  transition: color 0.2s ease;
}

.footer__column ul a:hover {
  color: var(--color-white);
  text-decoration: none;
}

.footer__divider {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  margin-bottom: var(--space-md);
}

.footer__copyright {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
  line-height: 1.5;
}

.footer__copyright a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer__copyright a:hover {
  color: var(--color-white);
}

/* ============================================================
   UTILITY — Section Heading Block
   ============================================================ */
.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-black);
}

.section--navy .section-header p,
.section--navy .section-header h2 {
  color: var(--color-white);
}

/* ============================================================
   RESPONSIVE — Tablet (768px - 1199px)
   ============================================================ */
@media (max-width: 1199px) {
  h1, .h1 { font-size: 36px; }
  h2, .h2 { font-size: 28px; }

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

  .hero-gradient {
    min-height: 440px;
    padding: var(--space-lg) var(--space-md);
  }

  .hero-split {
    grid-template-columns: 1fr;
  }

  .hero-split__visual {
    min-height: 300px;
  }

  .service-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .two-col--reverse {
    direction: ltr;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__columns {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg) var(--space-md);
  }

  .partner-strip__inner {
    gap: var(--space-md);
  }
}

/* ============================================================
   RESPONSIVE — Mobile (max-width: 767px)
   ============================================================ */
@media (max-width: 767px) {
  h1, .h1 { font-size: 32px; }
  h2, .h2 { font-size: 24px; }
  h3, .h3 { font-size: 20px; }

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

  /* Navbar mobile */
  .navbar {
    height: 64px;
  }

  .navbar__menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: var(--color-navy);
    padding: var(--space-md);
    gap: var(--space-sm);
    z-index: 999;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  }

  /* CSS-only toggle: when checkbox is checked, show menu */
  .navbar__toggle:checked ~ .navbar__menu {
    display: flex;
  }

  .navbar__cta {
    display: none;
  }

  .navbar__toggle:checked ~ .navbar__cta {
    display: block;
    position: absolute;
    top: calc(64px + var(--space-md));
    right: var(--space-md);
  }

  .navbar__hamburger {
    display: flex;
  }

  /* Dropdown mobile */
  .navbar__dropdown {
    position: static;
    transform: none;
    padding-top: 0;
    min-width: auto;
    display: none;
  }

  .navbar__menu > li:hover > .navbar__dropdown,
  .navbar__menu > li:focus-within > .navbar__dropdown {
    display: block;
  }

  .navbar__dropdown-inner {
    background: rgba(255, 255, 255, 0.08);
    border: none;
    box-shadow: none;
    border-radius: 4px;
    padding: 4px 0;
  }

  .navbar__dropdown a {
    color: rgba(255, 255, 255, 0.85);
    padding: 6px 20px 6px 28px;
    font-size: 13px;
  }

  .navbar__dropdown a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
  }

  .navbar__dropdown a.nav-coming-soon {
    color: rgba(255, 255, 255, 0.35);
  }

  .navbar__dropdown a.nav-coming-soon:hover {
    background-color: transparent;
    color: rgba(255, 255, 255, 0.35);
  }

  .navbar__dropdown-heading {
    color: rgba(255, 255, 255, 0.5);
    padding: 8px 20px 2px 28px;
  }

  .navbar__dropdown-divider {
    background: rgba(255, 255, 255, 0.15);
    margin: 4px 20px;
  }

  .navbar__menu > li > a .nav-arrow {
    border-top-color: rgba(255, 255, 255, 0.7);
  }

  /* Hero mobile */
  .hero-gradient {
    min-height: 400px;
    padding: var(--space-lg) var(--space-md);
  }

  .hero-gradient__content h1 {
    font-size: 32px;
  }

  .hero-split {
    grid-template-columns: 1fr;
  }

  .hero-split__text {
    padding: var(--space-lg) var(--space-md);
  }

  .hero-split__visual {
    min-height: 250px;
    padding: var(--space-md);
  }

  /* Cards mobile */
  .service-cards-grid {
    grid-template-columns: 1fr;
  }

  .card-grid-4 {
    grid-template-columns: 1fr;
  }

  /* Two-col mobile */
  .two-col {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .two-col--reverse {
    direction: ltr;
  }

  /* Feature grid mobile */
  .feature-grid {
    grid-template-columns: 1fr;
  }

  /* Stats mobile */
  .stats-bar {
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-md);
  }

  .stat-block {
    min-width: auto;
    width: 100%;
  }

  .stat-block + .stat-block {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: var(--space-md);
  }

  .section--white .stat-block + .stat-block,
  .section--light-grey .stat-block + .stat-block {
    border-top-color: var(--color-medium-grey);
  }

  /* Footer mobile */
  .footer__columns {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer__top {
    flex-direction: column;
    gap: var(--space-lg);
  }

  /* Partner strip mobile */
  .partner-strip__separator {
    display: none;
  }

  .partner-strip__inner {
    gap: var(--space-md);
  }

  /* CTA banner mobile */
  .cta-banner {
    padding: var(--space-lg) var(--space-md);
  }

  /* Feature list labels stack */
  .feature-list__item {
    flex-direction: column;
    gap: 4px;
  }

  .feature-list__label {
    min-width: auto;
  }

  /* Stat block number size */
  .stat-block__number {
    font-size: 36px;
  }
}