:root {
  --bg: #0b1a12;
  --bg-soft: #11251b;
  --panel: rgba(12, 30, 21, 0.82);
  --panel-strong: rgba(17, 38, 28, 0.95);
  --line: rgba(180, 255, 0, 0.18);
  --text: #eef7e6;
  --muted: rgba(238, 247, 230, 0.7);
  --accent: #b4ff00;
  --accent-deep: #8fd200;
  --accent-glow: rgba(180, 255, 0, 0.28);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --shadow-soft: 0 18px 48px rgba(0, 0, 0, 0.28);
  --radius: 24px;
  --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-color: var(--accent) rgba(255, 255, 255, 0.06);
  scrollbar-width: thin;
}

::selection {
  background: rgba(180, 255, 0, 0.2);
  color: var(--text);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(180, 255, 0, 0.16), transparent 26%),
    radial-gradient(circle at 85% 20%, rgba(180, 255, 0, 0.1), transparent 20%),
    linear-gradient(135deg, #07110c 0%, var(--bg) 45%, #102319 100%);
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::-webkit-scrollbar {
  width: 12px;
}

body::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
}

body::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent), var(--accent-deep));
  border-radius: 999px;
  border: 3px solid rgba(11, 26, 18, 0.95);
}

body::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #c8ff46, var(--accent));
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: 0;
}

body::before {
  top: 8%;
  right: -8rem;
  width: 22rem;
  height: 22rem;
  border: 1px solid rgba(180, 255, 0, 0.12);
  border-radius: 38% 62% 57% 43% / 49% 40% 60% 51%;
  filter: blur(1px);
}

body::after {
  left: -10rem;
  bottom: 8%;
  width: 24rem;
  height: 24rem;
  background: radial-gradient(circle, rgba(180, 255, 0, 0.08), transparent 68%);
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0 4rem;
}

.topbar,
.section,
.hero-panel,
.project-card,
.donate-card {
  backdrop-filter: blur(18px);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(10, 24, 17, 0.7);
  border: 1px solid var(--line);
  border-radius: 20px;
  position: sticky;
  top: 1rem;
  z-index: 20;
  transition: background 0.35s var(--ease-smooth), border-color 0.35s var(--ease-smooth), box-shadow 0.35s var(--ease-smooth), transform 0.35s var(--ease-smooth);
}

.topbar.is-scrolled {
  background: rgba(10, 24, 17, 0.88);
  border-color: rgba(180, 255, 0, 0.24);
  box-shadow: var(--shadow-soft);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-mark {
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 24px rgba(180, 255, 0, 0.75);
}

.nav-links {
  display: flex;
  gap: 1.2rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.25s var(--ease-smooth), transform 0.25s var(--ease-smooth), text-shadow 0.25s var(--ease-smooth);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--accent);
  transform: translateY(-2px);
  text-shadow: 0 0 18px rgba(180, 255, 0, 0.18);
}

.menu-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 1.2rem;
  height: 2px;
  margin: 0.35rem auto;
  background: var(--text);
}

.hero {
  padding-top: 1rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
  align-items: stretch;
  padding: 4.5rem 0 2rem;
}

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

.hero-copy,
.hero-panel,
.section {
  background:
    linear-gradient(180deg, rgba(17, 37, 27, 0.82), rgba(10, 24, 17, 0.9));
  border: 1px solid var(--line);
  border-radius: 32px;
  box-shadow: var(--shadow);
  transition: transform 0.4s var(--ease-smooth), border-color 0.4s var(--ease-smooth), box-shadow 0.4s var(--ease-smooth);
}

.hero-copy {
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

.hero-copy::after {
  content: "";
  position: absolute;
  inset: auto -10% -20% auto;
  width: 15rem;
  height: 15rem;
  background: radial-gradient(circle, rgba(180, 255, 0, 0.14), transparent 70%);
}

.eyebrow {
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent);
  font-size: 0.78rem;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Syne", sans-serif;
  line-height: 0.95;
}

h1 {
  font-size: clamp(3.2rem, 7vw, 6rem);
  max-width: 10ch;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  max-width: 12ch;
}

h3 {
  font-size: 1.5rem;
}

.hero-text,
.donate-copy p,
.project-card p,
.about-lead,
.about-points p,
.signal-card p,
.spotlight-card p,
.donate-note {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 60ch;
  margin: 1.4rem 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.3rem;
  padding: 0 1.25rem;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.3s var(--ease-smooth), box-shadow 0.3s var(--ease-smooth), background 0.3s var(--ease-smooth), border-color 0.3s var(--ease-smooth), color 0.3s var(--ease-smooth);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.2);
}

.button-primary {
  background: var(--accent);
  color: #0b1408;
  box-shadow: 0 14px 34px rgba(180, 255, 0, 0.22);
}

.button-primary:hover,
.button-primary:focus-visible {
  box-shadow: 0 18px 40px var(--accent-glow);
}

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

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(180, 255, 0, 0.3);
  background: rgba(255, 255, 255, 0.06);
}

.hero-panel {
  padding: 1.25rem;
  display: grid;
  gap: 1rem;
}

.signal-card,
.spotlight-card {
  background: linear-gradient(160deg, rgba(180, 255, 0, 0.08), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(180, 255, 0, 0.16);
  border-radius: 24px;
  padding: 1.5rem;
  transition: transform 0.35s var(--ease-smooth), border-color 0.35s var(--ease-smooth), background 0.35s var(--ease-smooth);
}

.signal-label,
.project-tag,
.donate-title {
  display: inline-block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.signal-card strong {
  display: block;
  margin-top: 1rem;
  font-family: "Syne", sans-serif;
  font-size: 5rem;
  line-height: 1;
}

.spotlight-orbit {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.spotlight-orbit span {
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.section {
  margin-top: 1.5rem;
  padding: 2rem;
}

.section-preview {
  overflow: hidden;
}

.section-heading {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.preview-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(180, 255, 0, 0.12), transparent 36%),
    rgba(255, 255, 255, 0.02);
  transition: transform 0.35s var(--ease-smooth), border-color 0.35s var(--ease-smooth), box-shadow 0.35s var(--ease-smooth);
}

.preview-text {
  margin: 0;
  max-width: 55ch;
  color: var(--muted);
  line-height: 1.7;
}

.donate-layout,
.about-layout {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 1.5rem;
  align-items: start;
}

.donate-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.donate-stats article,
.about-points article {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.02);
  transition: transform 0.3s var(--ease-smooth), border-color 0.3s var(--ease-smooth), background 0.3s var(--ease-smooth);
}

.donate-stats strong {
  display: block;
  font-size: 1.8rem;
  color: var(--accent);
}

.donate-card {
  padding: 1.75rem;
  background:
    linear-gradient(180deg, rgba(180, 255, 0, 0.12), rgba(180, 255, 0, 0.02)),
    var(--panel-strong);
  border: 1px solid rgba(180, 255, 0, 0.25);
  border-radius: 28px;
}

.donate-amount {
  margin: 0.8rem 0;
  font-family: "Syne", sans-serif;
  font-size: 4rem;
  color: var(--text);
}

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

.download-showcase {
  display: grid;
}

.download-card {
  padding: 2rem;
  background:
    radial-gradient(circle at top right, rgba(180, 255, 0, 0.12), transparent 36%),
    linear-gradient(180deg, rgba(17, 37, 27, 0.88), rgba(10, 24, 17, 0.94));
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  transition: transform 0.35s var(--ease-smooth), border-color 0.35s var(--ease-smooth), box-shadow 0.35s var(--ease-smooth);
}

.download-card p {
  max-width: 60ch;
  color: var(--muted);
  line-height: 1.7;
}

.download-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.download-meta div {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.02);
  transition: transform 0.3s var(--ease-smooth), border-color 0.3s var(--ease-smooth), background 0.3s var(--ease-smooth);
}

.download-meta strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--accent);
}

.download-meta span {
  color: var(--text);
}

.project-card {
  min-height: 18rem;
  padding: 1.5rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 26px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.project-card-large {
  grid-column: span 2;
  min-height: 24rem;
  background:
    linear-gradient(135deg, rgba(180, 255, 0, 0.12), rgba(255, 255, 255, 0.02)),
    var(--panel);
}

.accent-card {
  background:
    radial-gradient(circle at top right, rgba(180, 255, 0, 0.14), transparent 40%),
    var(--panel);
}

.project-card a {
  width: fit-content;
  margin-top: 1rem;
  color: var(--accent);
  text-decoration: none;
}

.about-lead {
  font-size: 1.08rem;
  max-width: 58ch;
}

.about-points {
  display: grid;
  gap: 1rem;
}

.site-footer {
  margin-top: 1.5rem;
  padding: 1.1rem 1rem 0;
  text-align: center;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

.hero-copy:hover,
.hero-panel:hover,
.section:hover,
.preview-banner:hover,
.download-card:hover {
  border-color: rgba(180, 255, 0, 0.24);
  box-shadow: 0 28px 76px rgba(0, 0, 0, 0.42);
}

.signal-card:hover,
.spotlight-card:hover,
.donate-stats article:hover,
.about-points article:hover,
.download-meta div:hover {
  transform: translateY(-4px);
  border-color: rgba(180, 255, 0, 0.24);
  background: rgba(255, 255, 255, 0.04);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth);
}

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

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

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

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

@media (max-width: 920px) {
  .hero-grid,
  .donate-layout,
  .about-layout,
  .projects-grid,
  .download-meta {
    grid-template-columns: 1fr;
  }

  .project-card-large {
    grid-column: auto;
  }

  .page-shell {
    width: min(100% - 1.25rem, 1180px);
  }

  .preview-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar {
    align-items: flex-start;
    flex-wrap: wrap;
    padding: 0.9rem 1rem;
  }

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

  .nav-links {
    width: 100%;
    display: none;
    flex-direction: column;
    gap: 0.35rem;
    margin-top: 0.65rem;
    padding: 0.5rem;
    border: 1px solid rgba(180, 255, 0, 0.12);
    border-radius: 16px;
    background: rgba(8, 20, 14, 0.82);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    width: 100%;
    padding: 0.8rem 0.9rem;
    border-radius: 12px;
  }

  .hero-copy,
  .hero-panel,
  .section {
    border-radius: 26px;
  }

  .hero-copy {
    padding: 2.25rem;
  }

  .hero-panel,
  .section,
  .download-card {
    padding: 1.5rem;
  }

  .signal-card strong {
    font-size: 4.1rem;
  }

  .hero-actions {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 0.75rem, 1180px);
  }

  .topbar,
  .hero-copy,
  .hero-panel,
  .section {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .topbar {
    top: 0.45rem;
    border-radius: 18px;
  }

  .hero-grid {
    gap: 1rem;
    padding-top: 2rem;
  }

  h1 {
    font-size: clamp(2.6rem, 14vw, 4rem);
    line-height: 0.98;
    max-width: 11ch;
  }

  h2 {
    font-size: clamp(1.8rem, 10vw, 2.7rem);
    max-width: 100%;
  }

  h3 {
    font-size: 1.3rem;
  }

  .eyebrow {
    letter-spacing: 0.16em;
    font-size: 0.72rem;
  }

  .hero-text,
  .preview-text,
  .download-card p,
  .about-lead,
  .about-points p,
  .donate-copy p,
  .donate-note {
    font-size: 0.97rem;
    line-height: 1.65;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .button,
  .hero-actions .button {
    width: 100%;
    min-height: 3.15rem;
  }

  .preview-banner,
  .download-card,
  .donate-card {
    padding: 1.25rem;
  }

  .spotlight-orbit {
    gap: 0.5rem;
  }

  .spotlight-orbit span {
    padding: 0.55rem 0.8rem;
    font-size: 0.92rem;
  }

  .donate-stats,
  .download-meta,
  .about-points {
    gap: 0.75rem;
  }

  .donate-stats article,
  .about-points article,
  .download-meta div {
    padding: 0.95rem;
  }

  .site-footer {
    padding-top: 0.7rem;
  }

  .donate-amount,
  .signal-card strong {
    font-size: 3.2rem;
  }
}

@media (max-width: 420px) {
  body::before {
    right: -12rem;
    width: 18rem;
    height: 18rem;
  }

  body::after {
    left: -12rem;
    width: 18rem;
    height: 18rem;
  }

  .page-shell {
    width: calc(100% - 0.5rem);
  }

  .topbar,
  .hero-copy,
  .hero-panel,
  .section {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }

  .hero-copy {
    padding-top: 1.8rem;
    padding-bottom: 1.8rem;
  }

  h1 {
    font-size: clamp(2.25rem, 13vw, 3.2rem);
  }

  .brand {
    gap: 0.55rem;
    font-size: 0.95rem;
  }

  .menu-toggle {
    width: 2.75rem;
    height: 2.75rem;
  }

  .signal-card strong {
    font-size: 2.85rem;
  }
}