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

@font-face {
  font-family: "Newsreader";
  src: url("assets/fonts/newsreader-latin.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Newsreader";
  src: url("assets/fonts/newsreader-latin.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("assets/fonts/ibm-plex-sans-latin.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("assets/fonts/ibm-plex-sans-latin.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("assets/fonts/ibm-plex-sans-latin.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --coal: #111417;
  --graphite: #1a2026;
  --steel: #5e6873;
  --mist: #c9cfd4;
  --bone: #e7e1d7;
  --copper-earth: #8a6a4a;
  --surface: rgba(26, 32, 38, 0.82);
  --surface-soft: rgba(22, 27, 32, 0.62);
  --border: rgba(201, 207, 212, 0.16);
  --border-strong: rgba(201, 207, 212, 0.28);
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.28);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: min(1160px, calc(100vw - 48px));
  --section-space: clamp(4.5rem, 9vw, 8rem);
  --transition: 240ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--mist);
  background:
    radial-gradient(circle at top left, rgba(138, 106, 74, 0.16), transparent 28%),
    radial-gradient(circle at 82% 16%, rgba(201, 207, 212, 0.08), transparent 22%),
    linear-gradient(180deg, #0f1215 0%, #111417 38%, #161b20 100%);
  font-family: "IBM Plex Sans", Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 90%);
  content: "";
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: url("assets/images/site-pattern.svg") center top / cover no-repeat;
  opacity: 0.34;
  pointer-events: none;
  content: "";
}

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

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

p,
h1,
h2,
h3,
figure {
  margin: 0;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 2px solid var(--bone);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: var(--bone);
  color: var(--coal);
  transition: top var(--transition);
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.page-shell {
  overflow: clip;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(17, 20, 23, 0.72);
  border-bottom: 1px solid rgba(201, 207, 212, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 5rem;
}

.brand img {
  width: min(280px, 52vw);
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.site-nav a {
  position: relative;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: rgba(201, 207, 212, 0.82);
}

.site-nav a::after {
  position: absolute;
  left: 0;
  bottom: -0.45rem;
  width: 100%;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--bone);
  transition: transform var(--transition);
  content: "";
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 0.72rem 1rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--bone);
  background: rgba(231, 225, 215, 0.05);
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.32rem;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(26, 32, 38, 0.9);
  color: var(--mist);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 1.1rem;
  height: 1px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.hero {
  padding-top: clamp(3rem, 9vw, 6rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-copy {
  max-width: 40rem;
}

.eyebrow,
.section-kicker,
.card-index {
  font-size: 0.82rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(201, 207, 212, 0.66);
}

.hero h1,
.section-heading h2,
.section-intro h2,
.contact-panel h2 {
  font-family: "Newsreader", Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--bone);
}

.hero h1 {
  margin-top: 1rem;
  font-size: clamp(3.2rem, 7vw, 5.8rem);
  line-height: 0.94;
  max-width: 14ch;
}

.hero-body {
  margin-top: 1.5rem;
  max-width: 34rem;
  font-size: clamp(1.05rem, 1.35vw, 1.18rem);
  color: rgba(201, 207, 212, 0.86);
}

.hero-actions {
  margin-top: 2rem;
}

.button-primary,
.contact-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  min-height: 3.4rem;
  padding: 0.95rem 1.3rem;
  border-radius: 999px;
  border: 1px solid rgba(231, 225, 215, 0.18);
  background: linear-gradient(135deg, rgba(231, 225, 215, 0.12), rgba(138, 106, 74, 0.18));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07);
  color: var(--bone);
  transition:
    transform var(--transition),
    border-color var(--transition),
    background-color var(--transition);
}

.button-primary:hover,
.contact-link:hover,
.button-primary:focus-visible,
.contact-link:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(231, 225, 215, 0.34);
}

.hero-microline {
  margin-top: 1.2rem;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  color: rgba(201, 207, 212, 0.6);
}

.hero-visual {
  position: relative;
  padding: clamp(1rem, 2vw, 1.25rem);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius-lg) + 0.5rem);
  background: linear-gradient(180deg, rgba(26, 32, 38, 0.88), rgba(17, 20, 23, 0.78));
  box-shadow: var(--shadow);
}

.hero-visual::before {
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(231, 225, 215, 0.16), transparent 36%, rgba(138, 106, 74, 0.24));
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  content: "";
}

.hero-visual picture,
.infrastructure-card picture {
  display: block;
}

.hero-visual picture {
  aspect-ratio: 1200 / 920;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.hero-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.section-intro h2,
.section-heading h2,
.contact-panel h2 {
  margin-top: 0.85rem;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  line-height: 1;
}

.section-content {
  display: grid;
  gap: 1.5rem;
  max-width: 42rem;
  font-size: 1.05rem;
  color: rgba(201, 207, 212, 0.85);
}

.section-heading {
  display: grid;
  gap: 0.9rem;
  max-width: 46rem;
  margin-bottom: 2.5rem;
}

.section-summary {
  max-width: 34rem;
  color: rgba(201, 207, 212, 0.76);
}

.card-grid {
  display: grid;
  gap: 1.25rem;
}

.focus-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card,
.counterparty,
.contact-panel {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(26, 32, 38, 0.8), rgba(17, 20, 23, 0.72));
  box-shadow: var(--shadow);
}

.card {
  min-height: 16rem;
  padding: 1.5rem;
}

.card h3,
.counterparty h3 {
  margin-top: 1rem;
  font-family: "Newsreader", Georgia, serif;
  font-size: 1.8rem;
  font-weight: 500;
  line-height: 1.02;
  color: var(--bone);
}

.card p:last-child,
.counterparty p {
  margin-top: 1rem;
  color: rgba(201, 207, 212, 0.8);
}

.counterparty-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.infrastructure-heading {
  margin-bottom: 1.35rem;
}

.infrastructure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem;
}

.infrastructure-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius-md) + 0.25rem);
  background: linear-gradient(180deg, rgba(26, 32, 38, 0.78), rgba(17, 20, 23, 0.68));
  box-shadow: var(--shadow);
}

.infrastructure-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.infrastructure-card picture {
  aspect-ratio: 16 / 8.8;
  overflow: hidden;
}

.infrastructure-card figcaption {
  padding: 0.95rem 1.1rem 1.05rem;
  border-top: 1px solid rgba(201, 207, 212, 0.08);
  font-size: 0.9rem;
  line-height: 1.5;
  color: rgba(201, 207, 212, 0.66);
  background: linear-gradient(180deg, rgba(17, 20, 23, 0.1), rgba(17, 20, 23, 0.42));
}

.counterparty {
  padding: 1.35rem;
  min-height: 15rem;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: end;
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.contact-panel p:last-of-type {
  margin-top: 1rem;
  max-width: 38rem;
  color: rgba(201, 207, 212, 0.84);
}

.contact-link {
  min-width: min(100%, 20rem);
  font-size: clamp(1rem, 1.3vw, 1.15rem);
}

.site-footer {
  padding: 1.4rem 0 2.2rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(201, 207, 212, 0.1);
  font-size: 0.92rem;
  color: rgba(201, 207, 212, 0.62);
}

.footer-inner p:nth-child(2) {
  text-align: center;
}

.footer-inner p:last-child {
  text-align: right;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1080px) {
  .counterparty-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .contact-panel {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 860px) {
  :root {
    --container: min(100vw - 32px, 1160px);
  }

  .menu-toggle {
    display: inline-flex;
  }

  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3px) rotate(-45deg);
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 16px;
    right: 16px;
    display: grid;
    gap: 0.5rem;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: rgba(17, 20, 23, 0.96);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition:
      opacity var(--transition),
      transform var(--transition);
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 0.5rem 0.2rem;
  }

  .site-nav a::after {
    bottom: 0.2rem;
  }

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

  .focus-grid,
  .infrastructure-grid,
  .counterparty-list,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-inner p:nth-child(2),
  .footer-inner p:last-child {
    text-align: left;
  }

  .hero-visual {
    order: 2;
  }
}

@media (max-width: 560px) {
  .header-inner {
    min-height: 4.5rem;
  }

  .hero h1 {
    max-width: 10ch;
  }

  .card,
  .counterparty {
    min-height: auto;
  }

  .button-primary,
  .contact-link {
    width: 100%;
    padding-inline: 1rem;
    text-align: center;
  }
}