/* ================================================================
   EARTHSENTINEL.ORG — layout.css
   Grid | Nav | Header | Footer | Page Scaffolding
   CED v3.2.1
================================================================ */

/* ---- PAGE WRAPPER ---- */
.page-wrapper {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  margin-top: var(--nav-height);
}

/* ---- CONTAINER ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.container-sm {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-8);
}

/* ---- SECTION BASE ---- */
.section {
  padding: var(--space-20) 0;
}

.section-sm {
  padding: var(--space-12) 0;
}

.section-lg {
  padding: 8rem 0;
}

.section--dark {
  background-color: var(--navy-mid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.section-header {
  margin-bottom: var(--space-12);
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-accent);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.section-eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--blue-accent);
  flex-shrink: 0;
}

.section-title {
  margin-bottom: var(--space-4);
}

.section-intro {
  max-width: 640px;
  font-size: var(--text-md);
}

/* ---- NAVIGATION ---- */
#site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(11, 31, 42, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-8);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo__mark {
  position: relative;
  width: 30px;
  height: 30px;
  border: 1.5px solid var(--blue-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-logo__mark::before {
  content: '';
  position: absolute;
  inset: -4px;
  border: 1px solid var(--border-accent);
  border-radius: 50%;
  animation: pulse-ring 2.4s ease-out infinite;
}

.nav-logo__dot {
  width: 8px;
  height: 8px;
  background: var(--blue-accent);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

.nav-logo__name {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--white);
  letter-spacing: 0.02em;
}

.nav-logo__name span {
  color: var(--blue-accent);
}

.nav-logo__version {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--steel);
  letter-spacing: 0.06em;
  opacity: 0.7;
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-links li {
  list-style: none;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--steel);
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.05);
}

.nav-links a.active {
  color: var(--white);
  background: rgba(30, 111, 255, 0.10);
}

/* Nav Right Group */
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* System Status Indicator */
.nav-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-4);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  height: 40px;
}

.nav-status__dot {
  width: 6px;
  height: 6px;
  background: var(--status-green);
  border-radius: 50%;
  animation: blink 1.8s ease-in-out infinite;
}

.nav-status__dot--warn {
  background: var(--status-yellow);
}

.nav-status__dot--alert {
  background: var(--status-red);
}

.nav-status__dot--pre {
  background: var(--blue-accent);
  animation: blink-slow 3s ease-in-out infinite;
}

@keyframes blink-slow {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

.nav-status__label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--status-green);
}

/* Language Toggle */
.nav-lang {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.nav-lang a {
  padding: 0.3rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
  text-decoration: none;
  transition: color var(--transition), background var(--transition);
  border: none;
  background: none;
}

.nav-lang a:hover,
.nav-lang a.lang-active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.07);
}

.nav-lang span {
  width: 1px;
  background: var(--border);
  align-self: stretch;
}

/* Auth Button */
.nav-auth {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.4rem 1rem;
  background: var(--blue-dim);
  border: 1px solid var(--border-accent);
  border-radius: var(--r-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue-accent);
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-auth:hover {
  background: var(--blue-dim-hover);
  color: var(--white);
  border-color: var(--blue-accent);
}

.nav-auth--logged {
  background: transparent;
  border-color: var(--border);
  color: var(--steel);
}

.nav-auth__avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--border-active);
  flex-shrink: 0;
}

.nav-auth__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Mobile Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--steel);
  transition: all var(--transition);
}

/* Mobile Drawer */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--navy);
  border-bottom: 1px solid var(--border);
  z-index: 999;
  padding: var(--space-4) var(--space-8);
  flex-direction: column;
  gap: var(--space-2);
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile a {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--steel);
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-mobile a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.04);
}

/* ---- ALERT TICKER ---- */
.alert-ticker {
  background: rgba(239, 68, 68, 0.08);
  border-bottom: 1px solid rgba(239, 68, 68, 0.20);
  height: 36px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.alert-ticker__inner {
  display: flex;
  align-items: center;
  white-space: nowrap;
  animation: ticker-scroll 40s linear infinite;
}

.alert-ticker__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-12);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--status-red);
}

.alert-ticker__item::after {
  content: '|';
  opacity: 0.3;
  margin-left: var(--space-3);
}

.alert-ticker__prefix {
  font-weight: 500;
  opacity: 0.6;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.60rem;
}

/* ---- HERO ---- */
.hero {
  padding: calc(var(--nav-height) + var(--space-16)) 0 var(--space-20);
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-accent);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.hero__eyebrow::before {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--blue-accent);
}

.hero__headline {
  font-size: clamp(2.6rem, 5.5vw, 5rem);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--white);
  max-width: 880px;
  margin-bottom: var(--space-6);
}

.hero__headline em {
  font-style: normal;
  color: var(--blue-accent);
}

.hero__sub {
  font-size: 1.1rem;
  color: var(--steel);
  max-width: 580px;
  line-height: 1.8;
  margin-bottom: var(--space-10);
  font-weight: 300;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__strip {
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
  display: flex;
  gap: var(--space-10);
  flex-wrap: wrap;
}

.hero__strip-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.hero__strip-label {
  font-family: var(--font-mono);
  font-size: 0.60rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  opacity: 0.6;
}

.hero__strip-value {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--white);
  letter-spacing: 0.04em;
}

/* ---- PAGE HERO (inner pages) ---- */
.page-hero {
  padding: calc(var(--nav-height) + var(--space-12)) 0 var(--space-12);
  border-bottom: 1px solid var(--border);
}

.page-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-accent);
  margin-bottom: var(--space-4);
}

.page-hero__title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
}

.page-hero__intro {
  max-width: 600px;
  font-size: var(--text-md);
}

/* ---- FOOTER ---- */
#site-footer {
  background: var(--navy);
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.footer-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-12) var(--space-8);
  display: grid;
  grid-template-columns: 300px 1fr 1fr 1fr;
  gap: var(--space-12);
}

.footer-brand__name {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: var(--space-3);
  letter-spacing: 0.02em;
}

.footer-brand__tagline {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  line-height: 1.8;
  color: var(--blue-accent);
  border-left: 2px solid var(--blue-accent);
  padding-left: var(--space-4);
  margin: var(--space-5) 0;
}

.footer-brand__desc {
  font-size: var(--text-sm);
  color: var(--steel);
  line-height: 1.7;
  opacity: 0.7;
}

.footer-col__title {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  opacity: 0.5;
  margin-bottom: var(--space-5);
}

.footer-col__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col__links a {
  font-size: var(--text-sm);
  color: var(--steel);
  text-decoration: none;
  transition: color var(--transition);
  line-height: 1.4;
}

.footer-col__links a:hover {
  color: var(--white);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-5) var(--space-8);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.footer-bottom__copy {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--steel);
  opacity: 0.5;
}

.footer-bottom__doctrine {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-accent);
}

.footer-bottom__links {
  display: flex;
  gap: var(--space-6);
}

.footer-bottom__links a {
  font-family: var(--font-mono);
  font-size: 0.60rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
  text-decoration: none;
  opacity: 0.5;
  transition: opacity var(--transition);
}

.footer-bottom__links a:hover {
  opacity: 1;
  color: var(--white);
}

/* ---- DASHBOARD MAP ---- */
#cgci-map {
  width: 100%;
  height: 480px;
  background: var(--graphite);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  position: relative;
  overflow: hidden;
}

#cgci-map::before {
  content: 'CGCI MONITORING COVERAGE — REAL-TIME';
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 1000;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  background: rgba(11,31,42,0.85);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--r-xs);
}

/* ---- GRID UTILITIES ---- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }

/* ---- RESPONSIVE ---- */
@media (max-width: 1200px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--space-5); }
  .section { padding: var(--space-12) 0; }
  .hero__headline { font-size: 2.4rem; }
  .footer-main { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: var(--space-4); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}