/* ═══════════════════════════════════════════════
   METAPLEXUS ROOT SITE — SHARED STYLESHEET
   ═══════════════════════════════════════════════ */

:root {
  --bg: #020407;
  --bg-section: #060D13;
  --text: #F0F2FA;
  --text-muted: #A8B3C8;

  /* Metaplexus — electric green */
  --accent: #39FF14;
  --accent-mid: #1DB84A;
  --accent-deep: #083D1A;
  --accent-glow: rgba(57, 255, 20, 0.08);
  --accent-glow-strong: rgba(57, 255, 20, 0.20);

  /* MetaOS — ethereal blue */
  --metaos-accent: #3BA4FF;
  --metaos-mid: #1A72D4;
  --metaos-glow: rgba(59, 164, 255, 0.12);

  /* ARIS — luminous white */
  --aris-accent: #C8D8EC;
  --aris-mid: #8FA8C4;
  --aris-glow: rgba(200, 216, 236, 0.08);

  --border: #08101A;
  --border-light: #111C28;

  --mono: 'DM Mono', monospace;
  --serif: 'Instrument Serif', Georgia, serif;
  --display: 'Syne', sans-serif;
}

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: var(--accent); color: var(--bg); }

/* ── LAYOUT ── */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 88px 0; position: relative; }

.sec-alt { background: var(--bg-section); }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes ruleIn {
  from { opacity: 0; width: 0; }
  to   { opacity: 1; width: 40px; }
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── NAVIGATION ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(2, 4, 7, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  line-height: 1;
  flex-shrink: 0;
}
.logo-meta   { color: var(--accent); }
.logo-plexus { color: #fff; }

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

.nav-link {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-link:hover  { color: var(--text); }
.nav-link.active { color: var(--accent); }

.btn-nav {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--accent);
  padding: 10px 20px;
  text-decoration: none;
  transition: background 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}
.btn-nav:hover {
  background: #50FF2A;
  box-shadow: 0 0 20px var(--accent-glow-strong);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text-muted);
  transition: all 0.25s;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--accent);
  padding: 14px 32px;
  text-decoration: none;
  transition: background 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
  background: #50FF2A;
  box-shadow: 0 0 28px var(--accent-glow-strong);
}

.btn-ghost {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  border: 1px solid var(--border-light);
  padding: 13px 28px;
  transition: color 0.2s, border-color 0.2s;
}
.btn-ghost:hover {
  color: var(--text);
  border-color: var(--accent-mid);
}

.btn-blue {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--metaos-accent);
  padding: 14px 32px;
  text-decoration: none;
  transition: background 0.2s, box-shadow 0.2s;
}
.btn-blue:hover {
  background: #5BB8FF;
  box-shadow: 0 0 28px var(--metaos-glow);
}

.btn-white {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--aris-accent);
  padding: 14px 32px;
  text-decoration: none;
  transition: background 0.2s, box-shadow 0.2s;
}
.btn-white:hover {
  background: #fff;
  box-shadow: 0 0 28px var(--aris-glow);
}

/* ── SECTION TYPOGRAPHY ── */
.section-label {
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0.85;
}

.section-headline {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0.01em;
  margin-bottom: 24px;
}
.section-headline em {
  font-style: italic;
  color: var(--accent);
}

.section-body {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.85;
}
.section-body + .section-body { margin-top: 16px; }

.what-rule {
  width: 40px;
  height: 1px;
  background: var(--accent-mid);
  margin-bottom: 28px;
  animation: ruleIn 0.8s ease 0.3s both;
}

/* ── HERO (Homepage) ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 88px 0 72px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: min(900px, calc(100% - 48px));
  height: 1px;
  background: var(--border-light);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('universe\ background.jpg') center/cover no-repeat;
  opacity: 0.08;
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 0;
}

.hero .container { position: relative; z-index: 1; }

.hero-eyebrow {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.15s forwards;
}

.hero-headline {
  font-family: var(--serif);
  font-size: clamp(3.4rem, 7vw, 6rem);
  line-height: 1.0;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.3s forwards;
}
.hero-headline em {
  font-style: italic;
  color: var(--accent);
  text-shadow: 0 0 32px var(--accent-glow);
}

.hero-sub {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 12px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.45s forwards;
}

.hero-support {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.55s forwards;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 40px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.7s forwards;
}

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  padding: 148px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: min(900px, calc(100% - 48px));
  height: 1px;
  background: var(--border-light);
}

.page-hero .container { position: relative; z-index: 1; }

.page-hero-label {
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.1s forwards;
}

.page-hero-headline {
  font-family: var(--serif);
  font-size: clamp(3rem, 7vw, 5.2rem);
  line-height: 1.05;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.25s forwards;
}

.page-hero-sub {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.4s forwards;
}

.page-hero-support {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-top: 12px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.5s forwards;
}

.page-hero-cta {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.62s forwards;
}

.page-hero-note {
  font-size: 0.7rem;
  color: var(--text-muted);
  opacity: 0.38;
  margin-top: 16px;
  line-height: 1.6;
}

/* ── DIVISION CARDS (Progression) ── */
.division-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-light);
  margin-top: 40px;
}

.division-card {
  background: var(--bg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}

.sec-alt .division-card { background: var(--bg-section); }

.division-card.metaos-card { border-top: 2px solid var(--metaos-accent); }
.division-card.aris-card   { border-top: 2px solid var(--aris-accent); }

.division-card-tag {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.metaos-card .division-card-tag { color: var(--metaos-accent); }
.aris-card   .division-card-tag { color: var(--aris-accent); }

.division-card-name {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.1;
  margin-top: 4px;
}
.metaos-card .division-card-name { color: var(--text); }
.aris-card   .division-card-name { color: var(--aris-accent); }

.division-card-tagline {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  font-weight: 400;
}

.division-card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-top: 4px;
}

.division-card-link {
  display: inline-block;
  margin-top: 18px;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid;
  padding-bottom: 2px;
  transition: opacity 0.2s;
}
.metaos-card .division-card-link {
  color: var(--metaos-accent);
  border-color: var(--metaos-mid);
}
.aris-card .division-card-link {
  color: var(--aris-accent);
  border-color: var(--aris-mid);
}
.division-card-link:hover { opacity: 0.65; }

/* ── THREE-CELL GRID ── */
.three-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--border-light);
  margin-top: 40px;
}

.grid-cell {
  background: var(--bg);
  padding: 28px 24px;
}
.sec-alt .grid-cell { background: var(--bg-section); }

.cell-label {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-mid);
  margin-bottom: 10px;
  opacity: 0.85;
}

.cell-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ── SECTION SPLIT LAYOUT ── */
.section-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.split-left {}

.split-right {}

/* ── WHAT LIST ── */
.what-list {
  list-style: none;
  margin-top: 40px;
  display: grid;
  gap: 1px;
  background: var(--border-light);
}

.what-list li {
  background: var(--bg);
  padding: 22px 24px;
  font-size: 0.92rem;
  color: var(--text-muted);
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px;
  align-items: start;
  line-height: 1.7;
}
.sec-alt .what-list li { background: var(--bg-section); }

.what-list-num {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-mid);
  opacity: 0.7;
  padding-top: 2px;
}

/* ── FOR LIST ── */
.for-list {
  list-style: none;
  margin-top: 36px;
  display: grid;
  gap: 1px;
  background: var(--border-light);
}

.for-list li {
  background: var(--bg);
  padding: 18px 24px;
  font-size: 0.92rem;
  color: var(--text-muted);
  display: flex;
  align-items: baseline;
  gap: 14px;
  line-height: 1.7;
}
.sec-alt .for-list li { background: var(--bg-section); }

.for-list li::before {
  content: '—';
  color: var(--accent-mid);
  flex-shrink: 0;
}

/* ── PATH SELECTOR (Where to Start) ── */
.path-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-light);
  margin-top: 40px;
}

.path-card {
  background: var(--bg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sec-alt .path-card { background: var(--bg-section); }

.path-card-tag {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 0.45;
}

.path-card-name {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.1;
  margin-top: 4px;
}

.path-card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-top: 4px;
}

.path-card-link {
  display: inline-block;
  margin-top: 20px;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-mid);
  padding-bottom: 2px;
  transition: opacity 0.2s;
}
.path-card-link:hover { opacity: 0.65; }

/* ── CTA SECTION ── */
.cta-section {
  text-align: center;
  padding: 104px 0 120px;
  position: relative;
  overflow: hidden;
}

.cta-eyebrow {
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0.7;
}

.cta-headline {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}
.cta-headline em {
  font-style: italic;
  color: var(--accent);
}

.cta-body {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

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

.cta-note {
  font-size: 0.7rem;
  color: var(--text-muted);
  opacity: 0.35;
  margin-top: 20px;
  letter-spacing: 0.06em;
}

/* ── TESTIMONIALS ── */
.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--border-light);
  margin-top: 40px;
}
.testimonial-card {
  background: var(--bg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}
.sec-alt .testimonial-card { background: var(--bg-section); }
.testimonial-quote {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.8;
  flex: 1;
}
.testimonial-quote::before {
  content: '\201C';
  display: block;
  font-family: var(--serif);
  font-size: 2rem;
  line-height: 1;
  color: var(--accent-mid);
  opacity: 0.4;
  margin-bottom: 12px;
}
.testimonial-name {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--text);
  margin-top: 20px;
}
.testimonial-role {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-mid);
  opacity: 0.6;
  margin-top: 4px;
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border-light);
  padding: 48px 0 40px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: start;
}

.footer-logo {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  line-height: 1;
  display: inline-block;
  margin-bottom: 10px;
}

.footer-tagline {
  font-size: 0.7rem;
  color: var(--text-muted);
  opacity: 0.38;
  letter-spacing: 0.04em;
  max-width: 380px;
  line-height: 1.65;
  margin-top: 6px;
}

.footer-copy {
  font-size: 0.6rem;
  color: var(--text-muted);
  opacity: 0.22;
  letter-spacing: 0.08em;
  margin-top: 18px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
  padding-top: 4px;
}

.footer-nav a {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 0.32;
  text-decoration: none;
  transition: opacity 0.2s;
}
.footer-nav a:hover { opacity: 0.7; }

/* ── MetaOS PAGE — blue accent overrides ── */
.page-metaos .page-hero-label { color: var(--metaos-accent); }
.page-metaos .section-label   { color: var(--metaos-accent); }
.page-metaos .what-rule       { background: var(--metaos-mid); }
.page-metaos .what-list-num   { color: var(--metaos-mid); }
.page-metaos .for-list li::before { color: var(--metaos-mid); }
.page-metaos .cell-label      { color: var(--metaos-mid); }
.page-metaos .cta-eyebrow     { color: var(--metaos-accent); }
.page-metaos .cta-headline em { color: var(--metaos-accent); }
.page-metaos .section-headline em { color: var(--metaos-accent); }

/* ── ARIS PAGE — luminous white accent overrides ── */
.page-aris .page-hero-label { color: var(--aris-accent); }
.page-aris .section-label   { color: var(--aris-accent); opacity: 0.75; }
.page-aris .what-rule       { background: var(--aris-mid); }
.page-aris .what-list-num   { color: var(--aris-mid); }
.page-aris .for-list li::before { color: var(--aris-mid); }
.page-aris .cell-label      { color: var(--aris-mid); }
.page-aris .cta-eyebrow     { color: var(--aris-accent); }
.page-aris .cta-headline em { color: var(--aris-accent); }
.page-aris .section-headline em { color: var(--aris-accent); }
.page-aris .path-card-link  { color: var(--aris-accent); border-color: var(--aris-mid); }
.page-aris ::selection      { background: var(--aris-accent); }

/* ── TABLET ── */
@media (max-width: 1024px) {
  .container { max-width: 100%; padding: 0 24px; }
  section { padding: 72px 0; }
}

/* ── MOBILE NAV ── */
@media (max-width: 768px) {
  .section-split {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: rgba(2, 4, 7, 0.98);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border-light);
    align-items: flex-start;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }

  .division-grid,
  .path-selector { grid-template-columns: 1fr; }

  .three-grid       { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; }
  .footer-nav {
    align-items: flex-start;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 16px;
  }
}

/* ── SMALL MOBILE ── */
@media (max-width: 480px) {
  section { padding: 60px 0; }
  .hero { padding: 80px 0 56px; }
  .page-hero { padding: 110px 0 60px; }
  .cta-section { padding: 72px 0 88px; }

  .what-list li { grid-template-columns: 80px 1fr; }

  .hero-cta,
  .page-hero-cta,
  .cta-buttons { flex-direction: column; align-items: flex-start; }

  .cta-section .cta-buttons { align-items: center; }
}