@font-face {
  font-family: Lato;
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/lato-400.woff2") format("woff2");
}

@font-face {
  font-family: Lato;
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/lato-700.woff2") format("woff2");
}

:root {
  --color-primary: #011c75;
  --color-white: #ffffff;
  --max-width: 1140px;
  --header-height: 78px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-white);
  font-family: Lato, sans-serif;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  border: 0;
  display: block;
}

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

h1,
h2,
h3 {
  font-weight: 400;
  margin: 0 0 1rem;
}

h1 {
  font-size: 2.5rem;
  line-height: 1.2;
}

h2 {
  font-size: 48px;
  line-height: 1.3;
}

h3 {
  font-size: 23px;
  line-height: 1.3;
}

p {
  margin: 0 0 0.9rem;
}

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

ul {
  margin: 0;
  padding-left: 1.2em;
}

.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;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 10px 15px;
}

.logo img {
  width: 228px;
  height: auto;
}

.menu-toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-primary);
  cursor: pointer;
}

.menu-toggle svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.menu-toggle .icon-close {
  display: none;
  position: absolute;
  inset: 0;
  margin: auto;
}

.menu-toggle[aria-expanded="true"] .icon-open {
  visibility: hidden;
}

.menu-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--color-primary);
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.3s;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #1e40af;
}

.section {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 88vh;
  background-position: center;
  background-size: cover;
  isolation: isolate;
}

.section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
}

.section-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 60px 15px;
}

.section-inner-narrow {
  max-width: 800px;
  text-align: center;
}

.section-hero {
  background-image: url("../images/hero.jpg");
}

.section-hero::before {
  background-image: linear-gradient(88deg, #000 28%, #fff0 100%);
  opacity: 0.65;
}

.hero-copy {
  max-width: 60%;
}

.hero-copy h1 {
  margin-bottom: 30px;
}

.hero-copy p {
  font-size: 19px;
}

.section-about {
  background-image: url("../images/about.png");
  justify-content: center;
}

.section-about::before {
  background: #000;
  opacity: 0.34;
}

.section-about h2,
.section-about p {
  text-align: center;
}

.section-about p {
  font-size: 23px;
}

.section-expertise {
  background-image: url("../images/expertise.jpg");
}

.section-expertise::before {
  background-image: linear-gradient(234deg, #00000085 0%, #000 100%);
  opacity: 0.76;
}

.section-expertise .section-inner,
.section-engagements .section-inner {
  padding-top: 40px;
  padding-bottom: 40px;
}

.section-engagements {
  background-image: url("../images/engagements.jpg");
}

.section-engagements::before {
  background: #000;
  opacity: 0.72;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 3rem;
  align-items: start;
}

.feature-list {
  font-size: 20px;
  line-height: 1.5;
}

.feature-list li {
  margin-bottom: 15px;
}

.feature-list li:last-child {
  margin-bottom: 0;
}

.divider {
  width: 100px;
  height: 0;
  margin: 9px 0;
  border: 0;
  border-top: 2px solid var(--color-white);
}

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

.section-contact {
  background-image: url("../images/contact.jpg");
  justify-content: center;
}

.section-contact::before {
  background: #000;
  opacity: 0.53;
}

.section-contact h2,
.contact-intro {
  text-align: center;
}

.contact-intro {
  font-size: 23px;
  margin-bottom: 1.5rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.bio-name {
  font-size: 2rem;
  margin: 0 0 0.5rem;
}

.bios details {
  margin-bottom: 1.25rem;
}

.bios details + .bio-name {
  margin-top: 1.5rem;
}

.bios summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  list-style: none;
  cursor: pointer;
  color: var(--color-white);
  font-size: 20px;
  font-weight: 700;
}

.bios summary::-webkit-details-marker {
  display: none;
}

.bios summary:hover {
  color: #a5a5a5;
}

.bios details[open] summary {
  color: #dfdfdf;
}

.bio-icon {
  display: flex;
  order: -1;
  width: 15px;
  height: 15px;
}

.bio-icon svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.bios details[open] .icon-plus,
.bios details:not([open]) .icon-minus {
  display: none;
}

.bios details p {
  margin-top: 0.5rem;
}

.contact-form {
  background: var(--color-white);
  border-radius: 5px;
  padding: 25px;
}

.form-group {
  margin-bottom: 24px;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e5e7eb;
  border-radius: 2px;
  font-family: inherit;
  font-size: 16px;
  transition: border-color 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-btn {
  width: 100%;
  padding: 14px 32px;
  border: none;
  border-radius: 5px;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.submit-btn:hover {
  background: linear-gradient(135deg, #2563eb, #1e40af);
  transform: translateY(-1px);
  box-shadow: 0 8px 25px -8px rgba(59, 130, 246, 0.5);
}

.submit-btn:active {
  transform: translateY(0);
}

.site-footer {
  background: var(--color-primary);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 15px;
}

.footer-inner p {
  margin: 0;
  font-size: 15px;
}

.social-link {
  display: inline-flex;
  color: var(--color-white);
}

.social-link svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

@media (min-width: 768px) {
  [id] {
    scroll-margin-top: var(--header-height);
  }
}

@media (max-width: 1024px) {
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  }

  .site-header.is-open .site-nav {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: flex-end;
    padding: 0.5rem 1rem 1rem;
  }
}

@media (max-width: 767px) {
  h1 {
    font-size: 27px;
  }

  h2 {
    font-size: 32px;
  }

  h3 {
    font-size: 20px;
  }

  .logo img {
    width: 178px;
  }

  .section-inner {
    padding: 60px 20px;
  }

  .section-hero {
    padding-top: 30px;
  }

  .hero-copy {
    max-width: 100%;
  }

  .hero-copy p {
    font-size: 15px;
  }

  .section-about h2,
  .section-about p,
  .section-contact h2,
  .contact-intro {
    text-align: left;
  }

  .section-about p,
  .contact-intro {
    font-size: 18px;
  }

  .contact-intro {
    font-size: 20px;
  }

  .divider-center {
    margin-left: 0;
  }

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

  .feature-list {
    font-size: 18px;
  }

  .contact-form {
    padding: 20px 15px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
}