:root {
  --brand-navy: #1f3a5f;
  --brand-navy-dark: #15294a;
  --brand-gray: #7d8590;
  --brand-gray-light: #e7eaee;
  --bs-primary: var(--brand-navy);
  --bs-primary-rgb: 31, 58, 95;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  color: #2b2f36;
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: #1c1f24;
  letter-spacing: -0.01em;
}

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  font-weight: 600;
}

/* Bootstrap primary overrides for navy palette */
.btn-primary,
.bg-primary {
  background-color: var(--brand-navy) !important;
  border-color: var(--brand-navy) !important;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--brand-navy-dark) !important;
  border-color: var(--brand-navy-dark) !important;
}

.btn-outline-primary {
  color: var(--brand-navy);
  border-color: var(--brand-navy);
}

.btn-outline-primary:hover {
  background-color: var(--brand-navy);
  border-color: var(--brand-navy);
  color: #fff;
}

.text-primary {
  color: var(--brand-navy) !important;
}

a {
  color: var(--brand-navy);
}

a:hover {
  color: var(--brand-navy-dark);
}

/* Navbar */
.navbar {
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.navbar-brand img {
  display: block;
}

.navbar .nav-link {
  color: #3f4753;
  font-weight: 500;
  padding-left: 1rem !important;
  padding-right: 1rem !important;
}

.navbar .nav-link:hover {
  color: var(--brand-navy);
}

/* Sections */
.section {
  padding: 5rem 0;
}

@media (max-width: 768px) {
  .section {
    padding: 3.5rem 0;
  }
}

.bg-light {
  background-color: #f7f8fa !important;
}

/* Hero */
.hero {
  padding: 5.5rem 0 5rem;
  background:
    radial-gradient(
      ellipse at top right,
      rgba(31, 58, 95, 0.06),
      transparent 60%
    ),
    #ffffff;
}

.hero h1 {
  color: var(--brand-navy);
}

.hero-visual {
  border-radius: 12px;
  overflow: hidden;
}

.hero-visual img,
.about-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.about-visual {
  border-radius: 12px;
  overflow: hidden;
}

/* Image placeholders */
.placeholder-image {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #eef1f5 0%, #dde3ec 100%);
  border: 1px dashed #c2cad6;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--brand-gray);
  gap: 0.5rem;
}

.placeholder-image i {
  font-size: 2.5rem;
  color: var(--brand-navy);
  opacity: 0.5;
}

.placeholder-image span {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Challenge cards */
.challenge-card {
  background: #ffffff;
  border: 1px solid #e7eaee;
  border-radius: 10px;
  padding: 1.75rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.challenge-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 30, 60, 0.06);
}

.icon-box {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: rgba(31, 58, 95, 0.08);
  color: var(--brand-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}

/* Approach steps */
.approach-step {
  background: #ffffff;
  border: 1px solid #e7eaee;
  border-radius: 10px;
  padding: 1.5rem;
}

.step-number {
  display: inline-block;
  font-family: "Inter", sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--brand-navy);
  background: rgba(31, 58, 95, 0.08);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
}

/* Services */
.service-card {
  background: #ffffff;
  border: 1px solid #e7eaee;
  border-radius: 10px;
  padding: 1.75rem;
  height: 100%;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.service-card:hover {
  border-color: var(--brand-navy);
  transform: translateY(-2px);
}

.icon-lg {
  font-size: 1.5rem;
  color: var(--brand-navy);
}

/* About list */
.about-list li {
  padding: 0.4rem 0;
  color: #3f4753;
}

/* Contact */
#contact {
  color: #fff;
}

#contact h2,
#contact .lead {
  color: #fff;
}

.contact-info a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-form .form-label {
  color: #fff;
  font-weight: 500;
  font-size: 0.92rem;
}

.contact-form .form-control {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
}

.contact-form .form-control::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.contact-form .form-control:focus {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
  box-shadow: none;
}

.contact-form .invalid-feedback {
  color: #ffd6d6;
}

/* Footer */
footer {
  background: #ffffff;
}

footer a:hover {
  color: var(--brand-navy) !important;
}

/* Utility */
.lead {
  font-size: 1.125rem;
}