:root {
  --bg: #0c1117;
  --bg-elevated: rgba(18, 25, 34, 0.78);
  --panel: #111926;
  --panel-strong: #162232;
  --line: rgba(212, 222, 236, 0.12);
  --line-strong: rgba(212, 222, 236, 0.2);
  --text: #edf2f7;
  --muted: #a5b1c2;
  --soft: #c9d2df;
  --accent: #d7a95b;
  --accent-soft: rgba(215, 169, 91, 0.14);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1160px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family:
    "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(215, 169, 91, 0.09), transparent 26%),
    radial-gradient(circle at 80% 20%, rgba(92, 132, 176, 0.14), transparent 28%),
    linear-gradient(180deg, #0c1117 0%, #0b1016 48%, #0d1218 100%);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--text);
  color: #0b1016;
  transition: top 0.2s ease;
}

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

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.section {
  padding: 5.5rem 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(8, 12, 17, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5rem;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, #f4d298, var(--accent) 58%, #8b6634 100%);
  box-shadow: 0 0 22px rgba(215, 169, 91, 0.35);
}

.brand-text {
  color: var(--soft);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-menu a {
  padding: 0.7rem 1rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.95rem;
  transition:
    color 0.2s ease,
    background-color 0.2s ease,
    transform 0.2s ease;
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.nav-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.3rem;
  cursor: pointer;
}

.nav-toggle span {
  width: 1rem;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hero {
  padding-top: 4.5rem;
  padding-bottom: 4rem;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.8fr);
  gap: 2rem;
  align-items: end;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.76rem;
  font-weight: 800;
}

.hero h1,
.section-heading h2,
.contact-copy h2 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(3rem, 8vw, 6.4rem);
}

.hero h1 span {
  display: block;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-style: italic;
  font-weight: 400;
  color: #f4f0e8;
}

.hero-text,
.section-heading p,
.contact-copy p,
.card p,
.article-card p {
  color: var(--muted);
  font-size: 1.04rem;
}

.hero-text {
  max-width: 38rem;
  margin: 1.5rem 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.3rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition:
    transform 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(180deg, #e3bb78 0%, #c99645 100%);
  color: #10151c;
  box-shadow: 0 16px 30px rgba(201, 150, 69, 0.2);
}

.button-primary:hover,
.button-primary:focus-visible {
  box-shadow: 0 20px 38px rgba(201, 150, 69, 0.24);
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.06);
}

.hero-panel,
.contact-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(17, 25, 38, 0.94), rgba(13, 20, 29, 0.92));
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
}

.hero-panel::after,
.contact-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), transparent 30%);
  pointer-events: none;
}

.panel-label,
.card-topline,
.article-meta {
  margin: 0 0 1rem;
  color: var(--soft);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.signal-list {
  display: grid;
  gap: 1rem;
}

.signal-item {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.signal-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.signal-title {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 700;
  color: var(--text);
}

.signal-text {
  display: block;
  color: var(--muted);
}

.section-heading {
  display: grid;
  gap: 0.8rem;
  max-width: 44rem;
  margin-bottom: 2rem;
}

.section-heading h2,
.contact-copy h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
}

.section-labs,
.section-contact {
  position: relative;
}

.section-labs::before,
.section-perspective::before,
.section-contact::before {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
  margin-bottom: 5.5rem;
}

.card-grid,
.article-grid {
  display: grid;
  gap: 1.2rem;
}

.card-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.article-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.article-card {
  position: relative;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(17, 25, 38, 0.85), rgba(12, 18, 27, 0.92));
  transition:
    transform 0.24s ease,
    border-color 0.24s ease,
    background-color 0.24s ease;
}

.card:hover,
.card:focus-within,
.article-card:hover,
.article-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(215, 169, 91, 0.32);
}

.card-featured {
  background:
    radial-gradient(circle at top right, rgba(215, 169, 91, 0.14), transparent 36%),
    linear-gradient(180deg, rgba(20, 29, 42, 0.95), rgba(12, 18, 27, 0.96));
}

.card h3,
.article-card h3 {
  margin: 0 0 0.8rem;
  font-size: 1.4rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  font-weight: 700;
  color: var(--soft);
}

.card-link::after {
  content: "↗";
  transition: transform 0.2s ease;
}

.card-link:hover::after,
.card-link:focus-visible::after {
  transform: translate(2px, -2px);
}

.card-link.muted {
  color: var(--muted);
}

.card-link.muted::after {
  content: "";
}

.article-card h3 {
  max-width: 18ch;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 2rem;
  padding: 2rem;
  border-radius: var(--radius-lg);
}

.contact-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 1rem;
}

.site-footer {
  padding: 0 0 2.5rem;
}

.site-footer p {
  margin: 0;
  color: rgba(165, 177, 194, 0.8);
  font-size: 0.92rem;
}

:focus-visible {
  outline: 2px solid rgba(215, 169, 91, 0.65);
  outline-offset: 3px;
}

@media (max-width: 1080px) {
  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-grid,
  .contact-panel,
  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 38rem;
  }
}

@media (max-width: 760px) {
  .section {
    padding: 4.5rem 0;
  }

  .site-header .container {
    position: relative;
  }

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

  .nav-menu {
    position: absolute;
    top: calc(100% + 0.6rem);
    right: 1rem;
    left: 1rem;
    display: grid;
    gap: 0.4rem;
    padding: 0.7rem;
    border: 1px solid var(--line);
    border-radius: 1.2rem;
    background: rgba(12, 17, 23, 0.96);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition:
      opacity 0.2s ease,
      transform 0.2s ease,
      visibility 0.2s ease;
  }

  .nav-menu.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-menu a {
    width: 100%;
  }

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

  .contact-panel {
    padding: 1.5rem;
  }

  .button,
  .button-primary {
    width: 100%;
  }

  .hero-actions {
    align-items: stretch;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}