@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:ital,wght@0,300;0,400;0,500;0,600;1,400&family=IBM+Plex+Serif:ital,wght@0,300;0,400;0,500;1,300&display=swap");

:root {
  --navy: #0a1628;
  --navy-mid: #13233a;
  --slate: #2e3b4f;
  --gold: #d4af37;
  --pale-gold: #f1e5ac;
  --white: #fff;
  --muted: #ccc;
  --content: 1100px;
  --serif: "IBM Plex Serif", Georgia, serif;
  --sans: "IBM Plex Sans", Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--navy);
  color: var(--white);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.1;
}

h1 {
  font-size: clamp(3.4rem, 7.2vw, 6.8rem);
  letter-spacing: -0.045em;
}

h2 {
  font-size: clamp(2.3rem, 4.2vw, 4rem);
  letter-spacing: -0.035em;
}

h3 {
  font-size: clamp(1.45rem, 2.2vw, 2rem);
}

p {
  color: var(--muted);
}

.container {
  width: min(calc(100% - 64px), var(--content));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid rgba(212, 175, 55, 0.35);
  background: var(--navy);
}

.header-inner {
  min-height: 98px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.brand {
  display: flex;
  align-items: center;
  max-width: 210px;
}

.brand img {
  width: 210px;
  height: auto;
  mix-blend-mode: screen;
}

.nav-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.nav-button {
  display: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.5vw, 38px);
}

.site-nav a {
  position: relative;
  padding: 36px 0 34px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 25px;
  left: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--white);
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.hero {
  min-height: 690px;
  display: grid;
  align-items: end;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(212, 175, 55, 0.4);
  background:
    linear-gradient(90deg, rgba(10, 22, 40, 0.92) 0%, rgba(10, 22, 40, 0.72) 48%, rgba(10, 22, 40, 0.42) 100%),
    url("../assets/hero-poster.jpg") center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 8%;
  width: 1px;
  height: 100%;
  background: linear-gradient(transparent, rgba(212, 175, 55, 0.65), transparent);
  transform: rotate(18deg);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding-block: 110px 90px;
}

.hero h1 {
  max-width: 880px;
  margin-bottom: 35px;
}

.hero .lead {
  max-width: 700px;
  margin-bottom: 0;
  color: var(--white);
  font-size: clamp(1.12rem, 1.8vw, 1.45rem);
  line-height: 1.55;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.section {
  padding-block: 110px;
}

.section-alt {
  background: var(--navy-mid);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 64px;
}

.section-heading p {
  max-width: 720px;
  font-size: 1.1rem;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.75fr);
  gap: clamp(55px, 9vw, 120px);
  align-items: start;
}

.intro-copy > p {
  font-size: 1.08rem;
}

.fact-list {
  border-top: 1px solid var(--gold);
}

.fact {
  padding: 24px 0;
  border-bottom: 1px solid rgba(212, 175, 55, 0.35);
}

.fact-label {
  display: block;
  margin-bottom: 6px;
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.fact p,
.fact a {
  margin: 0;
  color: var(--white);
  font-size: 0.93rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
}

.card {
  min-height: 310px;
  padding: 0 0 42px;
  overflow: hidden;
  border-right: 1px solid rgba(212, 175, 55, 0.45);
  background: var(--navy-mid);
}

.card-media {
  height: 168px;
  margin-bottom: 28px;
  overflow: hidden;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: 0 38px;
}

.card:last-child {
  border-right: 0;
}

.card-number {
  color: var(--gold);
  font-family: var(--serif);
  font-size: 0.9rem;
}

.card h3 {
  margin: 18px 0 22px;
}

.card p {
  margin-bottom: 0;
  font-size: 0.94rem;
}

input,
textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--muted);
  border-radius: 0;
  outline: 0;
  background: transparent;
  color: var(--white);
  font: 400 1rem var(--sans);
  padding: 14px 0;
}

input:focus,
textarea:focus {
  border-color: var(--gold);
}

input::placeholder,
textarea::placeholder {
  color: #aeb4bd;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

button,
.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gold);
  border-radius: 0;
  background: var(--gold);
  color: var(--navy);
  cursor: pointer;
  font: 500 0.77rem var(--sans);
  letter-spacing: 0.14em;
  padding: 14px 28px;
  text-transform: uppercase;
  transition: background 180ms ease, color 180ms ease;
}

button:hover,
.button:hover {
  background: transparent;
  color: var(--gold);
}

button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.honey {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--pale-gold);
  font-size: 0.9rem;
}

.page-hero {
  padding-block: 115px 95px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.4);
  background: var(--navy-mid);
}

.page-hero.about-hero {
  background:
    linear-gradient(90deg, rgba(10, 22, 40, 0.88), rgba(10, 22, 40, 0.62)),
    url("../assets/old-world-map.jpg") center / cover no-repeat;
}

.page-hero h1 {
  max-width: 900px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 6vw, 5.8rem);
}

.page-hero p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--white);
  font-size: 1.13rem;
}

.prose-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.4fr;
  gap: clamp(50px, 9vw, 120px);
  padding-block: 85px;
  border-top: 1px solid rgba(212, 175, 55, 0.45);
}

.prose-grid:first-child {
  border-top: 0;
  padding-top: 0;
}

.prose-grid:last-child {
  padding-bottom: 0;
}

.prose-grid h2,
.prose-grid h3 {
  margin-bottom: 0;
}

.prose-grid .copy p:last-child {
  margin-bottom: 0;
}

.team-profile {
  display: grid;
  grid-template-columns: minmax(240px, 0.75fr) minmax(0, 1.4fr);
  gap: clamp(55px, 9vw, 120px);
  align-items: start;
}

.portrait {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.5);
  background: var(--navy-mid);
}

.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.profile-copy h2 {
  margin-bottom: 10px;
}

.role {
  color: var(--gold);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.profile-copy > p {
  margin-block: 38px;
  font-size: 1.08rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  border: 1px solid rgba(212, 175, 55, 0.65);
  color: var(--pale-gold);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  padding: 8px 13px;
  text-transform: uppercase;
}

.publication-sections {
  border-top: 1px solid var(--gold);
}

.publication-row {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: clamp(45px, 8vw, 100px);
  padding-block: 75px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.45);
}

.publication-row h2 {
  font-size: clamp(2rem, 3.4vw, 3.2rem);
}

.publication-item {
  display: block;
  margin-top: 35px;
  padding: 22px 0 5px;
  border-top: 1px solid var(--slate);
}

.publication-item:hover h3 {
  color: var(--gold);
}

.publication-type {
  color: var(--gold);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.publication-item h3 {
  margin: 8px 0 0;
  font-size: 1.2rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: clamp(60px, 10vw, 130px);
}

.contact-details {
  border-top: 1px solid var(--gold);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px 24px;
}

.field-full {
  grid-column: 1 / -1;
}

.field label {
  display: block;
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.contact-form button {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: 12px;
}

.site-footer {
  padding-block: 70px 28px;
  background: #07111f;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 0.8fr 1.4fr;
  gap: 50px;
  padding-bottom: 55px;
}

.footer-logo {
  width: 180px;
  margin-bottom: 16px;
  mix-blend-mode: screen;
}

.footer-title {
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.footer-grid p,
.footer-grid a {
  color: var(--muted);
  font-size: 0.86rem;
}

.footer-quote {
  font-family: var(--serif);
  font-style: italic;
  line-height: 1.55;
}

.copyright {
  padding-top: 24px;
  border-top: 1px solid var(--slate);
  color: #7f8996;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@media (max-width: 1023px) {
  .container {
    width: min(calc(100% - 40px), var(--content));
  }

  .header-inner {
    min-height: 82px;
  }

  .nav-button {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    cursor: pointer;
  }

  .nav-button span,
  .nav-button::before,
  .nav-button::after {
    content: "";
    width: 24px;
    height: 1px;
    display: block;
    background: var(--gold);
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .nav-button span {
    margin-block: 6px;
  }

  .site-nav {
    position: absolute;
    top: 82px;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    gap: 0;
    padding: 14px 20px 24px;
    border-bottom: 1px solid var(--gold);
    background: var(--navy);
  }

  .site-nav a {
    display: block;
    padding: 14px 12px;
  }

  .site-nav a::after {
    display: none;
  }

  .nav-toggle:checked ~ .site-nav {
    display: block;
  }

  .nav-toggle:checked + .nav-button span {
    opacity: 0;
  }

  .nav-toggle:checked + .nav-button::before {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle:checked + .nav-button::after {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero {
    min-height: 610px;
  }

  .section {
    padding-block: 82px;
  }

  .intro-grid,
  .team-profile,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.45);
  }

  .card:last-child {
    border-bottom: 0;
  }

  .card h3 {
    margin-top: 18px;
  }

  .portrait {
    max-width: 440px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid > :last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(calc(100% - 32px), var(--content));
  }

  .brand,
  .brand img {
    max-width: 160px;
  }

  .hero {
    min-height: 560px;
  }

  .hero-content {
    padding-block: 82px 66px;
  }

  .hero h1 {
    font-size: clamp(3rem, 15vw, 4.4rem);
  }

  .page-hero {
    padding-block: 75px 65px;
  }

  .section {
    padding-block: 65px;
  }

  .section-heading {
    margin-bottom: 42px;
  }

  .prose-grid,
  .publication-row {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-block: 55px;
  }

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

  .field-full,
  .contact-form button {
    grid-column: auto;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-grid > :last-child {
    grid-column: auto;
  }
}