/* graphite_lime + science_research_ui */
:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --text: #f5f5f5;
  --muted: #bdbdbd;
  --primary: #a3e635;
  --secondary: #38bdf8;
  --accent: #f43f5e;
  --border: rgba(245, 245, 245, 0.12);
  --serif: Georgia, "Times New Roman", Times, serif;
  --mono: "Courier New", Courier, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --max-w: 1200px;
  --nav-h: 80px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--serif);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

main,
.page-main,
.error-page {
  flex: 1;
}

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

a {
  color: var(--secondary);
  text-decoration: none;
}

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

/* Disclosure marquee */
.disclosure-bar {
  width: 100%;
  background: #050505;
  height: 28px;
  overflow: hidden;
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
}

.disclosure-track {
  display: flex;
  width: max-content;
  animation: marquee 40s linear infinite;
}

.disclosure-text {
  font-family: var(--sans);
  font-size: 11px;
  color: #e8e8e8;
  white-space: nowrap;
  padding-right: 4rem;
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Navbar */
.site-header {
  position: static;
  background-color: var(--surface);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='4'%3E%3Crect width='1' height='1' fill='%23ffffff' fill-opacity='0.03'/%3E%3C/svg%3E");
  border-bottom: 2px solid var(--accent);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 24px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--nav-h);
}

.nav-logo img {
  max-height: 36px;
  width: auto;
}

.nav-desktop {
  display: flex;
  gap: 32px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-desktop a {
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--text);
  padding: 6px 16px;
  border-radius: 20px;
  transition: background 0.2s;
}

.nav-desktop a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
}

.burger-btn {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 1.1rem;
}

.nav-drawer {
  position: fixed;
  top: 0;
  left: -300px;
  width: 300px;
  height: 100vh;
  background: #111;
  z-index: 900;
  padding: 80px 24px 24px;
  transition: left 0.3s ease;
  border-right: 2px solid var(--accent);
  overflow-y: auto;
}

.nav-drawer.open {
  left: 0;
}

.nav-drawer a {
  display: block;
  font-family: var(--sans);
  color: var(--text);
  padding: 12px 16px;
  margin-bottom: 4px;
  border-radius: 8px;
}

.nav-drawer a:hover {
  background: rgba(255, 255, 255, 0.08);
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 850;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.drawer-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 900px) {
  .nav-desktop {
    display: none;
  }
  .burger-btn {
    display: block;
  }
}

/* Footer */
.site-footer {
  background: var(--surface);
  border-top: 2px solid var(--accent);
  margin-top: auto;
  padding: 3rem 20px 2rem;
  flex-shrink: 0;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.footer-brand img {
  max-height: 36px;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 320px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
}

.footer-links a {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.footer-badges a {
  display: block;
}

.footer-badges img {
  max-height: 48px;
  width: auto;
  opacity: 0.85;
  transition: opacity 0.2s;
}

.footer-badges img:hover {
  opacity: 1;
}

.footer-copy {
  margin-top: 1.5rem;
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.hidden {
  display: none;
}

.modal-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  max-width: 440px;
  width: 100%;
  text-align: center;
}

.modal-box h2 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.modal-box p {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.modal-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--sans);
  font-size: 0.9rem;
  padding: 10px 24px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
}

.btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--primary);
  color: #0a0a0a;
  font-weight: 600;
}

.btn-secondary {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

/* Legal / subpages */
.page-main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3rem 20px 4rem;
}

.page-main h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.page-meta {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

.page-main h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
  color: var(--secondary);
}

.page-main p,
.page-main li {
  color: var(--muted);
  margin-bottom: 1rem;
}

.page-main ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.page-main a {
  text-decoration: underline;
}

/* Contact form */
.contact-form {
  max-width: 560px;
  margin-top: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-family: var(--sans);
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.95rem;
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-error {
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--accent);
  margin-top: 0.35rem;
  display: none;
}

.form-error.visible {
  display: block;
}

.form-success {
  background: rgba(163, 230, 53, 0.1);
  border: 1px solid var(--primary);
  border-radius: 8px;
  padding: 1.5rem;
  font-family: var(--sans);
  color: var(--text);
}

.form-success.hidden {
  display: none;
}

/* 404 */
.error-page {
  text-align: center;
  padding: 5rem 20px;
}

.error-page h1 {
  font-size: 4rem;
  color: var(--accent);
  font-family: var(--mono);
}

.error-page p {
  color: var(--muted);
  margin: 1rem 0 2rem;
}

.hidden {
  display: none !important;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 2px solid var(--primary);
  padding: 1rem 20px;
  z-index: 950;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-banner p {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--muted);
  max-width: 600px;
  margin: 0;
}

.cookie-banner a {
  color: var(--secondary);
  text-decoration: underline;
}