:root {
  color-scheme: dark;
  --bg: #0b0f0d;
  --bg-alt: #111713;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-strong: rgba(255, 255, 255, 0.1);
  --text: #f4f2ea;
  --muted: #b8c0b5;
  --pine: #7ad05f;
  --pixel: #53d7aa;
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius: 24px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(83, 215, 170, 0.18), transparent 32%),
    radial-gradient(circle at top right, rgba(122, 208, 95, 0.16), transparent 28%),
    linear-gradient(180deg, #060807 0%, var(--bg) 100%);
  color: var(--text);
  line-height: 1.5;
}

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

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

a:hover {
  color: var(--pixel);
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--text);
  color: var(--bg);
  padding: 0.75rem 1rem;
  border-radius: 999px;
  z-index: 1000;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(6, 8, 7, 0.7);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  width: 3.25rem;
  height: 3.25rem;
  object-fit: cover;
  border-radius: 1rem;
  box-shadow: var(--shadow);
}

.brand-text {
  display: grid;
  gap: 0.15rem;
}

.brand-text strong,
h1,
h2,
h3 {
  letter-spacing: -0.04em;
}

.brand-text span,
.eyebrow,
.section-label,
.site-nav,
.site-footer {
  color: var(--muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.95rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.lang-switch button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
}

.lang-switch button.is-active {
  background: rgba(83, 215, 170, 0.18);
  color: var(--text);
}

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

.page-hero {
  padding: 4rem 0 2rem;
}

.page-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: end;
}

.page-hero-grid.reverse > :first-child {
  order: 2;
}

.page-hero-grid.reverse > :last-child {
  order: 1;
}

.page-intro {
  margin: 0;
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 34rem;
}

.hero {
  padding: 4.5rem 0 3rem;
}

.hero-grid,
.section-grid,
.callout-inner {
  display: grid;
  gap: 2rem;
}

.hero-grid {
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
}

.hero-copy {
  position: relative;
  padding-left: 1rem;
}

.hero-copy::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35rem;
  bottom: 0.35rem;
  width: 2px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--pixel), transparent);
}

.eyebrow,
.section-label {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  margin: 0 0 1rem;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 5.8rem);
  line-height: 0.95;
  max-width: 11ch;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1;
  max-width: 12ch;
}

.lead,
.section-grid p,
.card p,
.panel-note p,
.page-intro,
.timeline-item p,
.callout-inner p {
  color: var(--muted);
  font-size: 1.05rem;
}

.lead {
  max-width: 42rem;
  margin: 1.35rem 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--pixel), var(--pine));
  color: #07120c;
}

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

.signal-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.signal-strip span {
  padding: 0.65rem 0.95rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 0.94rem;
}

.hero-panel,
.card,
.callout-inner {
  background: linear-gradient(180deg, var(--surface), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-panel {
  position: relative;
  overflow: hidden;
  padding: 1.5rem;
  text-align: center;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top, rgba(83, 215, 170, 0.12), transparent 40%),
    radial-gradient(circle at bottom right, rgba(122, 208, 95, 0.12), transparent 35%);
  pointer-events: none;
}

.hero-logo {
  position: relative;
  width: min(100%, 31rem);
  margin: 0 auto;
  aspect-ratio: 1;
  object-fit: contain;
}

.hero-panel p {
  position: relative;
  margin: 1rem 0 0;
}

.panel-note {
  position: relative;
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
  text-align: left;
}

.panel-note p {
  margin: 0;
  padding: 0.85rem 1rem;
  border-left: 1px solid rgba(122, 208, 95, 0.45);
  background: rgba(0, 0, 0, 0.16);
}

.section {
  padding: 3.5rem 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-grid {
  grid-template-columns: 0.8fr 1.2fr;
  align-items: start;
}

.section-grid.reverse > :first-child {
  order: 2;
}

.section-grid.reverse > :last-child {
  order: 1;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.card {
  padding: 1.25rem;
  min-height: 12rem;
  border-top: 1px solid rgba(83, 215, 170, 0.3);
}

.card h3 {
  margin: 0 0 0.7rem;
  font-size: 1.15rem;
}

.callout-inner {
  grid-template-columns: 0.9fr 1fr auto;
  align-items: center;
  padding: 1.5rem;
}

.join-callout {
  grid-template-columns: 0.9fr 1fr auto;
}

.timeline {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.timeline-item {
  padding: 1.25rem 1.25rem 1.25rem 1.5rem;
  border-left: 2px solid rgba(83, 215, 170, 0.4);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.timeline-item h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

.members-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.member-card {
  display: grid;
  gap: 1rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
  border-top: 1px solid rgba(83, 215, 170, 0.45);
}

.member-head {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}

.member-avatar {
  width: 4rem;
  height: 4rem;
  border-radius: 999px;
  border: 1px solid var(--line);
}

.member-head h3 {
  margin: 0;
}

.member-nickname,
.member-meta {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.member-meta {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
}

.member-skills {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.member-skills li {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 999px;
  padding: 0.35rem 0.65rem;
  font-size: 0.85rem;
  color: var(--text);
}

.member-card blockquote {
  margin: 0;
  padding: 0.4rem 0 0.2rem 0.8rem;
  border-left: 2px solid rgba(122, 208, 95, 0.45);
  color: var(--muted);
  font-style: italic;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

:focus-visible {
  outline: 3px solid var(--pixel);
  outline-offset: 3px;
}

@media (max-width: 920px) {
  .hero-grid,
  .page-hero-grid,
  .section-grid,
  .callout-inner,
  .card-grid,
  .members-grid {
    grid-template-columns: 1fr 1fr;
  }

  .callout-inner {
    grid-template-columns: 1fr;
  }

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

  .callout-inner .button {
    justify-self: start;
  }
}

@media (max-width: 680px) {
  .header-inner,
  .header-controls,
  .site-nav,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero,
  .page-hero,
  .section {
    padding: 3rem 0;
  }

  .hero-grid,
  .page-hero-grid,
  .section-grid,
  .card-grid,
  .members-grid,
  .signal-strip {
    grid-template-columns: 1fr;
  }

  .page-hero-grid.reverse > :first-child,
  .page-hero-grid.reverse > :last-child,
  .section-grid.reverse > :first-child,
  .section-grid.reverse > :last-child {
    order: initial;
  }

  .signal-strip {
    flex-direction: column;
  }

  .hero-actions {
    width: 100%;
  }

  .button {
    width: 100%;
  }
}