/* Arcturus Community — global stylesheet */

:root {
  --color-bg: #0c1a30;
  --color-bg-alt: #101f3a;
  --color-bg-card: #16294a;
  --color-bg-card-hover: #1c3258;
  --color-border: #253a5e;
  --color-text: #eaf0fb;
  --color-text-muted: #9fb0cf;
  --color-orange: #ff8a1e;
  --color-orange-dark: #e6720a;
  --color-blue: #4fc3f7;
  --color-blue-dark: #2f9bd6;
  --color-green: #4cd97b;
  --color-white: #ffffff;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.25);
  --shadow-btn: 0 8px 20px rgba(255, 138, 30, 0.35);

  --max-width: 1180px;

  --font-base: "Segoe UI", "Trebuchet MS", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Trebuchet MS", "Segoe UI", Arial, sans-serif;
  --font-mono: "Cascadia Code", "Consolas", "SFMono-Regular", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  margin: 0 0 0.5em;
  font-weight: 800;
}

p {
  margin: 0 0 1em;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Background decor */
body {
  background-image:
    radial-gradient(circle at 15% 0%, rgba(79, 195, 247, 0.12), transparent 45%),
    radial-gradient(circle at 85% 20%, rgba(255, 138, 30, 0.10), transparent 40%);
  background-attachment: fixed;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(180deg, var(--color-orange), var(--color-orange-dark));
  color: var(--color-white);
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  box-shadow: 0 12px 26px rgba(255, 138, 30, 0.45);
}

.btn-secondary {
  background: rgba(79, 195, 247, 0.12);
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.btn-secondary:hover {
  background: rgba(79, 195, 247, 0.2);
}

.btn-ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-ghost:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.btn-block {
  width: 100%;
}

.btn-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
  transform: none !important;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 26, 48, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-white);
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  font-weight: 600;
  color: var(--color-text-muted);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-white);
  border-color: var(--color-orange);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-switch {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  overflow: hidden;
}

.lang-switch button {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-weight: 700;
  font-size: 0.78rem;
  padding: 7px 12px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.lang-switch button.active {
  background: var(--color-blue);
  color: #04202f;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  padding: 8px 10px;
  font-size: 1.1rem;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 60px;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 40px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 138, 30, 0.12);
  color: var(--color-orange);
  border: 1px solid rgba(255, 138, 30, 0.35);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  color: var(--color-white);
  margin-bottom: 18px;
}

.hero h1 span {
  color: var(--color-orange);
}

.hero p.lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-art {
  position: relative;
}

.hero-art img {
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 20px 45px rgba(0, 0, 0, 0.45));
}

.hero-badge {
  position: absolute;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-card);
  font-size: 0.85rem;
  font-weight: 700;
}

.hero-badge img {
  width: 28px;
  height: 28px;
  border-radius: 0;
}

.hero-badge.b1 { top: -14px; left: -14px; }
.hero-badge.b2 { bottom: 10px; right: -18px; }

/* ---------- Sections ---------- */
.section {
  padding: 72px 0;
}

.section-alt {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--color-white);
}

.section-head p {
  color: var(--color-text-muted);
}

/* ---------- Cards / Grid ---------- */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.card:hover {
  transform: translateY(-4px);
  background: var(--color-bg-card-hover);
  border-color: var(--color-blue);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(255, 138, 30, 0.14);
  color: var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.card-icon svg {
  width: 26px;
  height: 26px;
}

.card h3 {
  color: var(--color-white);
  font-size: 1.15rem;
}

.card p {
  color: var(--color-text-muted);
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, rgba(255, 138, 30, 0.16), rgba(79, 195, 247, 0.12));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: 10px;
}

.cta-banner p {
  color: var(--color-text-muted);
  margin-bottom: 26px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Page header (inner pages) ---------- */
.page-header {
  padding: 56px 0 40px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.page-header .eyebrow { margin-bottom: 14px; }

.page-header h1 {
  color: var(--color-white);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
}

.page-header p {
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto;
}

/* ---------- Rules page ---------- */
.rules-group {
  margin-bottom: 40px;
}

.rules-group h3 {
  color: var(--color-orange);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.rules-group h3 .num {
  background: rgba(255, 138, 30, 0.16);
  color: var(--color-orange);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.rules-list {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.rules-list li {
  display: flex;
  gap: 14px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text-muted);
}

.rules-list li:last-child {
  border-bottom: none;
}

.rules-list li strong {
  color: var(--color-white);
}

.rules-list li::before {
  content: "⚑";
  color: var(--color-blue);
  flex-shrink: 0;
}

.note-box {
  display: flex;
  gap: 14px;
  background: rgba(255, 138, 30, 0.1);
  border: 1px solid rgba(255, 138, 30, 0.3);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  color: var(--color-text-muted);
  margin-top: 30px;
}

.note-box strong {
  color: var(--color-orange);
}

/* ---------- About page ---------- */
.about-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 72px;
}

.about-block.reverse .about-copy { order: 2; }
.about-block.reverse .about-visual { order: 1; }

.about-visual {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.about-visual ul li {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  color: var(--color-text-muted);
}

.about-visual ul li strong {
  color: var(--color-white);
}

.about-copy h2 {
  color: var(--color-white);
}

.about-copy p {
  color: var(--color-text-muted);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.team-card {
  text-align: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px 20px;
}

.team-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-orange), var(--color-blue));
}

.team-card h4 {
  color: var(--color-white);
  margin-bottom: 4px;
}

.team-card span {
  color: var(--color-blue);
  font-size: 0.85rem;
  font-weight: 700;
}

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.contact-card {
  text-align: center;
}

.contact-card .card-icon {
  margin: 0 auto 18px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: 56px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-brand .brand {
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  max-width: 32ch;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  transition: color 0.15s ease;
}

.footer-col a:hover {
  color: var(--color-blue);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

.footer-bottom a:hover {
  color: var(--color-blue);
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-art {
    order: -1;
    max-width: 420px;
    margin: 0 auto;
  }

  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-block { grid-template-columns: 1fr; }
  .about-block.reverse .about-copy { order: 1; }
  .about-block.reverse .about-visual { order: 2; }
}

/* ---------- Terminal mockup ---------- */
.terminal {
  background: #0a1220;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  background: #101c33;
  border-bottom: 1px solid var(--color-border);
}

.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }

.terminal-title {
  margin-left: 8px;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.terminal-body {
  padding: 22px 24px 26px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.7;
  white-space: pre-wrap;
  overflow-x: auto;
}

.terminal-body .prompt { color: var(--color-blue); }
.terminal-body .cmd { color: var(--color-white); }
.terminal-body .out { color: var(--color-text-muted); }
.terminal-body .ok { color: var(--color-green); }

/* ---------- Stat pills ---------- */
.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.stat-pill {
  display: flex;
  align-items: baseline;
  gap: 6px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.stat-pill strong {
  color: var(--color-white);
  font-size: 0.95rem;
}

/* ---------- Tag / version pill ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.tag-stable {
  background: rgba(76, 217, 123, 0.14);
  color: var(--color-green);
  border: 1px solid rgba(76, 217, 123, 0.35);
}

.tag-dev {
  background: rgba(255, 138, 30, 0.14);
  color: var(--color-orange);
  border: 1px solid rgba(255, 138, 30, 0.35);
}

.tag-neutral {
  background: rgba(159, 176, 207, 0.12);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

/* ---------- Download / plugin cards ---------- */
.download-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.download-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.download-card h3 {
  color: var(--color-white);
  margin-bottom: 2px;
}

.download-meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.download-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: auto;
}

/* ---------- Tables (branches, requirements) ---------- */
.table-wrap {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow-x: auto;
}

table.data-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.92rem;
}

table.data-table th,
table.data-table td {
  text-align: left;
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-border);
}

table.data-table th {
  background: var(--color-bg-alt);
  color: var(--color-white);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

table.data-table td {
  color: var(--color-text-muted);
  background: var(--color-bg-card);
}

table.data-table tr:last-child td {
  border-bottom: none;
}

table.data-table code {
  font-family: var(--font-mono);
  color: var(--color-blue);
  font-size: 0.85rem;
}

/* ---------- Code block ---------- */
.code-block {
  background: #0a1220;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  overflow-x: auto;
  line-height: 1.7;
  white-space: pre-wrap;
}

.code-block .prompt { color: var(--color-blue); }
.code-block .cmd { color: var(--color-white); }

/* ---------- Credits ---------- */
.credits-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.credits-grid span {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------- Step list ---------- */
.step-list {
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.step-list li {
  list-style: none;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.step-list li::before {
  counter-increment: step;
  content: counter(step);
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 138, 30, 0.14);
  color: var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
}

.step-list .step-title {
  color: var(--color-white);
  font-weight: 700;
  margin-bottom: 4px;
}

.step-list .step-desc {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.step-list code {
  font-family: var(--font-mono);
  color: var(--color-blue);
  background: rgba(79, 195, 247, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85rem;
}

@media (max-width: 720px) {
  .nav-links, .nav-actions .btn-primary-wrap {
    display: none;
  }

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

  body.nav-open .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 24px;
    gap: 16px;
  }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 32px 20px; }
}