/* ============================================
   NEXISPHOS RESEARCH LAB — GLOBAL STYLESHEET
   ============================================ */

:root {
  --bg: #0a0a0b;
  --bg-soft: #131316;
  --panel: #18181c;
  --panel-2: #1d1d22;
  --line: rgba(255, 255, 255, 0.08);
  --line-bright: rgba(255, 255, 255, 0.16);
  --text: #f5f5f4;
  --text-dim: rgba(245, 245, 244, 0.65);
  --text-faint: rgba(245, 245, 244, 0.4);
  --accent: #a3e635;
  --accent-2: #84cc16;
  --accent-glow: rgba(163, 230, 53, 0.15);
  --warning: #f59e0b;
  --danger: #ef4444;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'IBM Plex Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

/* Subtle grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at top, black 30%, transparent 80%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ============ NAV ============ */
nav.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 10, 11, 0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  color: var(--text);
}
.logo-mark {
  width: 32px; height: 32px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  overflow: hidden;
}
.logo-mark::before {
  content: '';
  position: absolute;
  width: 12px; height: 12px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.7); opacity: 0.7; }
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-text strong { font-weight: 600; letter-spacing: 0.01em; }
.logo-text small {
  font-size: 0.65rem;
  color: var(--text-faint);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 2px;
}
.nav-links {
  display: flex;
  gap: 0.3rem;
  list-style: none;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
}
.nav-links a {
  color: var(--text-dim);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.2s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--accent);
  background: var(--accent-glow);
}
.nav-cta {
  background: var(--accent);
  color: var(--bg);
  padding: 0.65rem 1.3rem;
  border-radius: 6px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-cta:hover {
  background: white;
  box-shadow: 0 0 30px var(--accent-glow);
}
.menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--line-bright);
  color: var(--text);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  cursor: pointer;
}

/* Mobile drawer */
.mobile-drawer {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 11, 0.97);
  backdrop-filter: blur(20px);
  z-index: 200;
  padding: 6rem 2rem 2rem;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.7, 0, 0.3, 1);
  display: flex;
  flex-direction: column;
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-drawer .close-btn {
  position: absolute;
  top: 1.2rem; right: 1.5rem;
  background: transparent;
  border: 1px solid var(--line-bright);
  color: var(--text);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  cursor: pointer;
}
.mobile-drawer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.mobile-drawer a {
  font-family: 'Instrument Serif', serif;
  font-size: 2rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
  display: block;
}
.mobile-drawer .mobile-cta {
  margin-top: 2rem;
  background: var(--accent);
  color: var(--bg);
  padding: 1rem;
  text-align: center;
  border-radius: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.9rem;
}

/* ============ STATUS BAR ============ */
.status-bar {
  position: fixed;
  top: 70px; left: 0; right: 0;
  z-index: 99;
  padding: 0.5rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-faint);
  border-bottom: 1px solid var(--line);
  background: rgba(10, 10, 11, 0.7);
  backdrop-filter: blur(16px);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.status-bar .live { display: inline-flex; align-items: center; gap: 0.5rem; }
.live-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 1.5s infinite;
}

/* ============ TYPOGRAPHY ============ */
h1, h2, h3, h4, h5 {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
h1 { font-size: clamp(3rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2.4rem, 4.5vw, 3.8rem); }
h3 { font-size: clamp(1.5rem, 2vw, 1.9rem); }

em { font-style: italic; color: var(--accent); }

.section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}
.section-label::before {
  content: '';
  width: 30px; height: 1px;
  background: var(--accent);
}

.section-intro {
  font-size: 1.05rem;
  color: var(--text-dim);
  line-height: 1.65;
  max-width: 620px;
}

/* ============ LAYOUT ============ */
section { position: relative; z-index: 2; padding: 7rem 2.5rem; }
.container { max-width: 1280px; margin: 0 auto; }

/* ============ BUTTONS ============ */
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  padding: 0.95rem 1.7rem;
  border-radius: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: white;
  transform: translateY(-1px);
  box-shadow: 0 10px 30px var(--accent-glow);
}
.btn-ghost {
  color: var(--text);
  padding: 0.95rem 1.7rem;
  border-radius: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.88rem;
  border: 1px solid var(--line-bright);
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ============ ANIMATIONS ============ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s, transform 0.8s;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ============ TICKER ============ */
.ticker {
  background: var(--accent);
  color: var(--bg);
  padding: 0.9rem 0;
  overflow: hidden;
  position: relative;
  z-index: 2;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.ticker-track {
  display: flex;
  gap: 3rem;
  animation: scroll 40s linear infinite;
  white-space: nowrap;
}
.ticker-track span { display: inline-flex; align-items: center; gap: 3rem; }
.ticker-track .sep {
  width: 6px; height: 6px;
  background: var(--bg);
  border-radius: 50%;
  flex-shrink: 0;
}
@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============ FOOTER ============ */
footer.site-footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  padding: 5rem 2.5rem 2rem;
  position: relative;
  z-index: 2;
}
.footer-top {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--line);
}
.footer-brand .logo { margin-bottom: 1.5rem; }
.footer-brand p {
  color: var(--text-dim);
  line-height: 1.65;
  font-size: 0.95rem;
  max-width: 380px;
  margin-bottom: 1.5rem;
}
.footer-social {
  display: flex;
  gap: 0.6rem;
}
.footer-social a {
  width: 40px; height: 40px;
  border: 1px solid var(--line-bright);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  transition: all 0.2s;
}
.footer-social a:hover { border-color: var(--accent); color: var(--accent); }

.footer-col h5 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1.5rem;
  font-weight: 500;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.footer-col a {
  color: var(--text-dim);
  font-size: 0.93rem;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============ PAGE HERO (for inner pages) ============ */
.page-hero {
  padding: 11rem 2.5rem 5rem;
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--line);
  background: radial-gradient(ellipse at top, rgba(163, 230, 53, 0.05) 0%, transparent 60%);
}
.page-hero .container { max-width: 1100px; }
.breadcrumb {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-bottom: 2rem;
  letter-spacing: 0.1em;
  display: flex;
  gap: 0.6rem;
  text-transform: uppercase;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--text-faint); }
.page-hero h1 {
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  margin-bottom: 1.5rem;
}
.page-hero .lede {
  font-size: 1.2rem;
  color: var(--text-dim);
  line-height: 1.65;
  max-width: 720px;
}

/* ============ FORMS ============ */
.form-group { margin-bottom: 1.4rem; }
.form-group label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
  display: block;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  color: var(--text);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea { resize: vertical; min-height: 130px; }

/* ============ MOBILE ============ */
@media (max-width: 900px) {
  nav.site-nav { padding: 1rem 1.2rem; }
  .nav-links, .nav-cta { display: none; }
  .menu-btn { display: block; }
  .status-bar { display: none; }
  section { padding: 4.5rem 1.2rem; }
  .page-hero { padding: 7rem 1.2rem 3rem; }
  .footer-top { grid-template-columns: 1fr; gap: 2.5rem; padding-bottom: 2.5rem; }
  .footer-bottom { flex-direction: column; }
  footer.site-footer { padding: 3.5rem 1.2rem 2rem; }
}