/* ==========================================================================
   FAYBA POWER — DESIGN SYSTEM & TOKENS
   Theme: Obsidian Carbon / Industrial Technicality
   ========================================================================== */

:root {
  /* Colors */
  --base-bg: #0a0c10;
  --surface: #051425;
  --surface-dim: #051425;
  --surface-bright: #2c3a4d;
  --surface-container-lowest: #010f20;
  --surface-container-low: #0d1c2e;
  --surface-container: #122032;
  --surface-container-high: #1d2b3d;
  --surface-container-highest: #283648;
  
  --on-surface: #d5e3fc;
  --on-surface-variant: #c6c6cb;
  --text-main: #ffffff;
  
  --amber: #ffb955;
  --amber-dark: #dc9100;
  --teal: #00daf3;
  --teal-dark: #008796;
  --red: #ffb4ab;
  
  --border-color: #334155;
  --border-light: #45474b;

  /* Typography */
  --font-heading: 'Geist', monospace, sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Layout */
  --max-width: 1440px;
  --gutter: 24px;
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--base-bg);
  color: var(--on-surface);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

ul {
  list-style: none;
}

/* Grid Background Motif */
.hero-grid-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-size: 24px 24px;
  background-image: 
    linear-gradient(to right, rgba(51, 65, 85, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(51, 65, 85, 0.08) 1px, transparent 1px);
  pointer-events: none;
  z-index: 1;
}

/* Typography Classes */
h1, h2, h3, h4, .label-tag, .card-tag, button, .btn-primary, .btn-ghost {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--text-main);
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-main);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.body-large {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--on-surface);
  margin-bottom: 1.5rem;
}

/* Labels */
.label-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--on-surface-variant);
  margin-bottom: 1.5rem;
  padding: 4px 10px;
  border: 1px solid var(--border-color);
  background: rgba(5, 20, 37, 0.6);
}

.card-tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal);
  margin-bottom: 1rem;
}

.teal-tag { color: var(--teal); }
.amber-tag { color: var(--amber); }

/* Status Indicators */
.status-pip {
  display: inline-block;
  width: 8px; height: 8px;
  background-color: var(--teal);
  box-shadow: 0 0 8px var(--teal);
}

.status-pip.blink {
  animation: pip-blink 1.5s infinite alternate;
}

@keyframes pip-blink {
  0% { opacity: 0.3; box-shadow: none; }
  100% { opacity: 1; box-shadow: 0 0 10px var(--teal); }
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4vw;
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
}

.nav-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo::before {
  content: '';
  display: inline-block;
  width: 12px; height: 12px;
  background: var(--amber);
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--on-surface-variant);
  position: relative;
  padding: 5px 0;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-main);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -28px; left: 0; right: 0;
  height: 2px;
  background: var(--amber);
}

.nav-burger {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 80px; left: 0; right: 0;
  background: var(--surface-container-highest);
  border-bottom: 1px solid var(--border-color);
  padding: 20px 4vw;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 99;
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu a {
  font-family: var(--font-heading);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

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

/* ==========================================================================
   BUTTONS & CONTROLS
   ========================================================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--amber);
  color: #000000;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 24px;
  border: none;
  cursor: pointer;
  position: relative;
  transition: all 0.2s;
}

.btn-primary:hover {
  background-color: #ffc977;
  box-shadow: 0 0 15px rgba(255, 185, 85, 0.4);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: -4px; left: -4px; right: -4px; bottom: -4px;
  border: 1px solid transparent;
  transition: border-color 0.2s;
}

.btn-primary:hover::after {
  border-color: var(--teal);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 24px;
  border: 1px solid var(--border-color);
  cursor: pointer;
}

.btn-ghost:hover {
  border-color: var(--text-main);
  background: rgba(255,255,255,0.03);
}

.btn-large {
  padding: 16px 36px;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

/* ==========================================================================
   HERO SECTIONS
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 180px 4vw 80px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1.3fr 0.7fr;
    align-items: end;
  }
}

.hero-sub-col {
  padding-bottom: 10px;
}

.divider-line {
  height: 1px;
  background: var(--border-color);
  margin-bottom: 32px;
  width: 100%;
}

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--on-surface-variant);
  margin-bottom: 40px;
  line-height: 1.6;
}

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

.hero-metrics {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 60px auto 0;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  border-top: 1px solid var(--border-color);
  padding-top: 40px;
}

@media (min-width: 768px) {
  .hero-metrics {
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;
  }
  .metric-sep {
    width: 1px; height: 50px;
    background: var(--border-color);
  }
}

.metric-block {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
}

.metric-value.teal { color: var(--teal); }
.metric-value.amber { color: var(--amber); }

.metric-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--on-surface-variant);
}

/* Page Standard Hero */
.page-hero {
  position: relative;
  padding: 180px 4vw 100px;
  border-bottom: 1px solid var(--border-color);
  background: var(--surface);
}

.page-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.page-hero-sub {
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
  color: var(--on-surface-variant);
  max-width: 800px;
  margin-top: 24px;
}

/* ==========================================================================
   SECTIONS & LAYOUTS
   ========================================================================== */
.section {
  padding: 120px 4vw;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

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

.section-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--on-surface-variant);
  margin-bottom: 24px;
  text-transform: uppercase;
}

.section-headline {
  margin-bottom: 48px;
}

.content-two-col {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 1024px) {
  .content-two-col {
    grid-template-columns: 300px 1fr;
    gap: 80px;
  }
}

/* Audience Grid */
.audience-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 1024px) {
  .audience-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.audience-card {
  background: var(--surface-container);
  border: 1px solid var(--border-color);
  padding: 48px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all 0.3s;
}

.audience-card h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.audience-card p {
  color: var(--on-surface-variant);
  margin-bottom: 32px;
  flex-grow: 1;
}

.card-link {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.audience-card:hover {
  border-color: var(--amber);
  background: var(--surface-container-high);
  transform: translateY(-4px);
}

.audience-card:hover .card-link {
  color: var(--amber);
}

/* Why Section */
.why-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
}

@media (min-width: 1024px) {
  .why-inner {
    grid-template-columns: 1fr 1.2fr;
  }
}

.why-item {
  display: flex;
  gap: 32px;
  padding-bottom: 40px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border-color);
}

.why-item:last-child {
  border-bottom: none; margin-bottom: 0; padding-bottom: 0;
}

.why-num {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
}

.why-num.teal { color: var(--teal); }
.why-num.amber { color: var(--amber); }

.why-item p {
  color: var(--on-surface-variant);
}

/* Stats Section */
.stats-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
}

.stat-card {
  padding: 40px 32px;
  border: 1px solid var(--border-color);
  background: var(--surface-container-lowest);
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 16px;
}

.stat-value.teal { color: var(--teal); }
.stat-value.amber { color: var(--amber); }

.stat-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--on-surface-variant);
  margin-bottom: 12px;
}

.stat-card p {
  font-size: 0.95rem;
  color: var(--on-surface-variant);
}

/* Timeline */
.timeline {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.timeline-item {
  display: flex;
  gap: 24px;
  position: relative;
}

.timeline-marker {
  width: 12px; height: 12px;
  background: var(--border-light);
  margin-top: 6px;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}

.timeline-marker.amber { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.timeline-marker.teal { background: var(--teal); box-shadow: 0 0 8px var(--teal); }

.timeline-item::before {
  content: '';
  position: absolute;
  top: 18px; left: 5px;
  width: 1px; height: calc(100% + 20px);
  background: var(--border-color);
}

.timeline-item:last-child::before { display: none; }

.timeline-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--on-surface-variant);
  margin-bottom: 4px;
}

.timeline-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-main);
  margin-bottom: 4px;
}

/* ==========================================================================
   MODEL STACK (THE MODEL PAGE)
   ========================================================================== */
.model-stack {
  max-width: var(--max-width);
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.model-layer {
  border: 1px solid var(--border-color);
  background: var(--surface-container);
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
  .model-layer {
    grid-template-columns: 320px 1fr;
  }
}

.model-layer-header {
  padding: 40px;
  border-bottom: 1px solid var(--border-color);
  background: var(--surface-container-low);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

@media (min-width: 1024px) {
  .model-layer-header { border-bottom: none; border-right: 1px solid var(--border-color); }
}

.model-num {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.model-num.teal { color: var(--teal); }
.model-num.amber { color: var(--amber); }

.model-layer-body {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
}

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

@media (min-width: 600px) {
  .spec-grid { grid-template-columns: repeat(4, 1fr); }
}

.spec-label {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--on-surface-variant);
  margin-bottom: 4px;
}

.spec-val {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
}

.spec-val.teal { color: var(--teal); }
.spec-val.amber { color: var(--amber); }

/* Dispatch Priority */
.dispatch-priority {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}

.priority-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 24px;
  border: 1px solid var(--border-color);
  background: var(--surface-container-lowest);
}

.priority-rank {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
}

.priority-rank.teal { color: var(--teal); }
.priority-rank.amber { color: var(--amber); }

.priority-name {
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

/* ==========================================================================
   NETWORK PAGE
   ========================================================================== */
.live-tag {
  border-color: var(--teal);
  color: var(--teal);
}

.node-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 4vw;
}

.node-header {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 48px;
}

@media (min-width: 768px) {
  .node-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.node-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: var(--surface-container-high);
}

.node-status.online { border-color: var(--teal); color: var(--teal); }
.node-status-pip { width: 8px; height: 8px; background: var(--teal); box-shadow: 0 0 8px var(--teal); }

.telemetry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

@media (min-width: 600px) {
  .telemetry-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .telemetry-grid { grid-template-columns: repeat(4, 1fr); }
}

.telemetry-card {
  border: 1px solid var(--border-color);
  background: var(--surface-container);
  padding: 32px;
  position: relative;
}

.tele-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--on-surface-variant);
  margin-bottom: 16px;
}

.tele-val {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  color: var(--text-main);
  display: inline-block;
}

.tele-val.teal { color: var(--teal); }
.tele-val.amber { color: var(--amber); }

.tele-unit {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  margin-left: 4px;
}

.tele-bar-wrap {
  height: 2px;
  background: var(--border-color);
  margin-top: 24px;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.tele-bar {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  background: var(--on-surface-variant);
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.tele-bar.teal-bar { background: var(--teal); box-shadow: 0 0 8px var(--teal); }
.tele-bar.amber-bar { background: var(--amber); box-shadow: 0 0 8px var(--amber); }

.node-note {
  display: flex;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--border-color);
  background: var(--surface-container-low);
  font-size: 0.9rem;
  color: var(--on-surface-variant);
}

.node-note-icon {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--amber);
  border: 1px solid var(--amber);
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

/* Roadmap Grid */
.roadmap {
  max-width: var(--max-width);
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 1024px) {
  .roadmap { grid-template-columns: repeat(3, 1fr); }
}

.roadmap-item {
  border: 1px solid var(--border-color);
  background: var(--surface-container-lowest);
  padding: 40px 32px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.roadmap-item.active-roadmap {
  border-color: var(--border-light);
  background: var(--surface-container);
}

.roadmap-marker {
  position: absolute;
  top: 0; left: 32px;
  width: 24px; height: 4px;
  background: var(--border-color);
}

.roadmap-marker.amber { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.roadmap-marker.teal { background: var(--teal); box-shadow: 0 0 8px var(--teal); }

.roadmap-date {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--on-surface-variant);
  margin-bottom: 12px;
  margin-top: 8px;
}

.roadmap-item h3 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.roadmap-item p {
  color: var(--on-surface-variant);
  font-size: 0.95rem;
  margin-bottom: 32px;
}

.roadmap-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.spec-chip {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 8px;
  background: var(--surface-container-high);
  border: 1px solid var(--border-color);
  color: var(--on-surface);
}

/* ==========================================================================
   FOR YOU PAGE
   ========================================================================== */
.segment-tabs {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 4vw;
  display: flex;
  border-bottom: 1px solid var(--border-color);
  background: var(--surface);
}

.segment-tab {
  padding: 20px 32px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--on-surface-variant);
  border-right: 1px solid var(--border-color);
  border-left: 1px solid transparent;
  position: relative;
}

.segment-tab:first-child { border-left: 1px solid var(--border-color); }

.segment-tab.active-tab, .segment-tab:hover {
  color: var(--text-main);
  background: var(--surface-container);
}

.segment-tab.active-tab::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 2px;
  background: var(--amber);
}

.for-you-section {
  max-width: var(--max-width);
  margin: 0 auto;
}

.fy-header {
  max-width: 800px;
  margin-bottom: 60px;
}

.fy-tag {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.fy-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 60px;
}

@media (min-width: 600px) {
  .fy-features { grid-template-columns: repeat(2, 1fr); }
}

.fy-feature {
  border: 1px solid var(--border-color);
  background: var(--surface-container-lowest);
  padding: 40px 32px;
  position: relative;
}

.fy-feature-icon {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.fy-feature-icon.teal { color: var(--teal); }
.fy-feature-icon.amber { color: var(--amber); }

.fy-feature h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.fy-feature p {
  color: var(--on-surface-variant);
  font-size: 0.95rem;
}

.fy-process {
  border-top: 1px solid var(--border-color);
  padding-top: 60px;
  margin-bottom: 60px;
}

.fy-process-title {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--on-surface-variant);
  margin-bottom: 32px;
}

.fy-steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (min-width: 768px) {
  .fy-steps {
    flex-direction: row;
    align-items: flex-start;
  }
}

.fy-step {
  flex: 1;
  display: flex;
  gap: 20px;
}

@media (min-width: 768px) {
  .fy-step { flex-direction: column; gap: 16px; }
}

.step-num {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--border-light);
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 8px;
  width: 40px;
}

.fy-step:hover .step-num {
  color: var(--teal);
  border-color: var(--teal);
}

.step-text h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--text-main);
}

.step-text p {
  font-size: 0.9rem;
  color: var(--on-surface-variant);
}

.fy-step-arrow {
  display: none;
  font-family: var(--font-heading);
  color: var(--border-color);
  align-self: center;
  padding: 0 10px;
}

@media (min-width: 768px) {
  .fy-step-arrow { display: block; }
}

.section-separator {
  height: 1px;
  background: var(--border-color);
  width: 100%;
}

/* ==========================================================================
   CONTACT PAGE
   ========================================================================== */
.contact-section {
  padding-top: 80px;
}

.contact-two-col {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
}

@media (min-width: 1024px) {
  .contact-two-col {
    grid-template-columns: 1fr 380px;
    gap: 80px;
  }
}

.contact-form {
  border: 1px solid var(--border-color);
  background: var(--surface-container);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (min-width: 600px) {
  .form-row { flex-direction: row; }
  .form-row .form-group { flex: 1; }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--on-surface);
}

input, select, textarea {
  background: var(--base-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  padding: 14px 16px;
  border-radius: 0; /* Strict 0px radius */
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  width: 100%;
}

input::placeholder, textarea::placeholder {
  color: var(--border-light);
  font-family: var(--font-body);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--amber);
  box-shadow: 0 0 10px rgba(255, 185, 85, 0.15);
}

.form-success {
  padding: 24px;
  border: 1px solid var(--teal);
  background: rgba(0, 218, 243, 0.05);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.success-icon {
  font-weight: 700;
  font-size: 1.2rem;
  border: 1px solid var(--teal);
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

/* Sidebar */
.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.sidebar-block {
  border: 1px solid var(--border-color);
  background: var(--surface-container-lowest);
  padding: 32px;
}

.contact-detail {
  margin-bottom: 20px;
}

.contact-detail:last-child { margin-bottom: 0; }

.contact-detail-label {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--on-surface-variant);
  margin-bottom: 4px;
}

.contact-detail a, .contact-detail span {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-main);
}

.contact-detail a:hover {
  color: var(--amber);
}

/* Accordion FAQs */
.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child { border-bottom: none; }

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-transform: none;
  letter-spacing: 0;
}

.faq-question::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--teal);
  font-weight: 400;
  margin-left: 10px;
}

.faq-item.open .faq-question::after {
  content: '−';
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer p {
  padding-bottom: 20px;
  font-size: 0.9rem;
  color: var(--on-surface-variant);
}

/* ==========================================================================
   VISUAL IMAGERY & FRAMES (CUSTOM LAYOUT ALIGNMENTS)
   ========================================================================== */
.hero-visual-col {
  display: flex;
  justify-content: center;
  align-items: center;
}

.tech-image-frame {
  position: relative;
  border: 1px solid var(--border-color);
  background: var(--surface-container-lowest);
  padding: 16px;
  width: 100%;
  max-width: 540px;
}

.tech-image-frame::before {
  content: '';
  position: absolute;
  top: -6px; left: -6px;
  width: 12px; height: 12px;
  border-left: 2px solid var(--amber);
  border-top: 2px solid var(--amber);
}

.tech-image-frame::after {
  content: '';
  position: absolute;
  bottom: -6px; right: -6px;
  width: 12px; height: 12px;
  border-right: 2px solid var(--teal);
  border-bottom: 2px solid var(--teal);
}

.tech-img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border: 1px solid var(--border-color);
}

.frame-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--on-surface-variant);
}

.frame-meta .teal {
  color: var(--teal);
}

/* Card Images */
.card-img-wrap {
  margin: -48px -32px 32px;
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
  background: var(--surface-container-lowest);
}

.card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.audience-card:hover .card-img {
  transform: scale(1.05);
}

/* Modify Audience Grid default padding to accommodate top image layout */
.audience-card {
  justify-content: flex-start;
}

.card-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-content h2 { margin-bottom: 16px; }
.card-content p { margin-bottom: 32px; flex-grow: 1; }

/* ==========================================================================
   CTA BANNER
   ========================================================================== */
.cta-banner {
  padding: 100px 4vw;
  background: var(--surface-container);
  border-bottom: 1px solid var(--border-color);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at center, rgba(0, 218, 243, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.cta-banner h2 { margin-bottom: 0; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: var(--base-bg);
  padding: 80px 4vw 40px;
  border-top: 1px solid var(--border-color);
}

.footer-top {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 48px;
  margin-bottom: 60px;
}

@media (min-width: 768px) {
  .footer-top {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-brand {
  max-width: 360px;
}

.footer-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-logo::before {
  content: '';
  display: inline-block;
  width: 12px; height: 12px;
  background: var(--amber);
}

.footer-brand p {
  color: var(--on-surface-variant);
  font-size: 0.9rem;
}

.footer-nav-group {
  display: flex;
  gap: 60px;
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav-head {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-main);
  margin-bottom: 8px;
}

.footer-nav-col a {
  font-size: 0.9rem;
  color: var(--on-surface-variant);
}

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

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: var(--border-light);
}

@media (min-width: 600px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-status {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--on-surface-variant);
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   HOMEPAGE CUSTOM LAYOUTS (PURE VANILLA INTEGRATION)
   ========================================================================== */
.top-status-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 40px;
  display: flex;
  align-items: center;
  padding: 0 4vw;
  background-color: var(--surface-container-lowest);
  background-image: url('https://www.transparenttextures.com/patterns/carbon-fibre.png');
  border-bottom: 1px solid var(--border-light);
  z-index: 101;
}

.status-ticker-text {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Shift nav down to sit beneath the top status bar */
.nav.home-nav {
  top: 40px;
}

/* Landing Page Hero */
.landing-hero {
  position: relative;
  min-height: 850px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 160px 4vw 80px;
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.landing-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.2;
}

.landing-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.landing-hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.landing-hero-content .label-tag {
  background: rgba(18, 32, 50, 0.5);
  backdrop-filter: blur(4px);
  border-color: var(--border-light);
  margin-bottom: 24px;
}

.landing-hero-content h1 {
  font-size: clamp(2.5rem, 6.5vw, 4.5rem);
  margin-bottom: 32px;
  line-height: 1.05;
}

.landing-hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 64px;
}

/* Landing Stats Row */
.landing-stats-wrap {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  background: rgba(18, 32, 50, 0.3);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-light);
  border-left: 1px solid var(--border-light);
}

@media (min-width: 768px) {
  .landing-stats-wrap {
    grid-template-columns: repeat(3, 1fr);
  }
}

.landing-stat-box {
  padding: 32px;
  border-right: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  transition: border-color 0.2s;
}

.landing-stat-box:hover {
  border-color: var(--amber);
}

.landing-stat-box .stat-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--on-surface-variant);
  margin-bottom: 8px;
}

.landing-stat-box .stat-value {
  font-size: 3rem;
  margin-bottom: 0;
  transition: color 0.2s;
}

.landing-stat-box:hover .stat-value {
  color: var(--amber);
}

/* Problem Section Custom Layout */
.problem-img-container {
  position: relative;
  height: 500px;
  background: #161b22;
  border: 1px solid var(--border-light);
  padding: 4px;
  overflow: hidden;
}

.problem-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  opacity: 0.6;
}

.problem-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, #161b22, transparent);
  z-index: 1;
}

.grid-instability-box {
  position: absolute;
  bottom: 32px; left: 32px; right: 32px;
  z-index: 2;
  background: rgba(5, 20, 37, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  padding: 24px;
}

.instability-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--on-surface-variant);
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 8px;
  margin-bottom: 16px;
}

.warning-indicator {
  color: var(--red);
  display: flex;
  align-items: center;
  gap: 6px;
}

.warning-dot {
  width: 8px; height: 8px;
  background-color: var(--red);
}

.instability-chart {
  height: 80px;
  display: flex;
  align-items: flex-end;
  gap: 4px;
  opacity: 0.6;
}

.chart-bar {
  flex-grow: 1;
  background-color: var(--border-light);
}

.chart-bar.danger {
  background-color: var(--red);
}

/* Deployment Audience Override */
.audience-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

@media (min-width: 768px) {
  .audience-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.audience-card-home {
  background: #161b22;
  border: 1px solid var(--border-light);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 400px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s;
}

.audience-card-home:hover {
  border-color: var(--teal);
}

.audience-card-home .card-bg-icon {
  position: absolute;
  top: 16px; right: 16px;
  font-size: 120px;
  line-height: 1;
  opacity: 0.05;
  transition: opacity 0.2s;
  pointer-events: none;
}

.audience-card-home:hover .card-bg-icon {
  opacity: 0.15;
}

.audience-card-home h3 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.audience-card-home p {
  color: var(--on-surface-variant);
  font-size: 1rem;
}

.card-footer-link {
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}

.audience-card-home:hover .card-footer-link {
  color: var(--teal);
}

/* Marquee Section */
.marquee-section {
  background-color: var(--base-bg);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 16px 0;
  overflow: hidden;
  position: relative;
}

.marquee-section::before,
.marquee-section::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}

.marquee-section::before {
  left: 0;
  background: linear-gradient(to right, var(--base-bg), transparent);
}

.marquee-section::after {
  right: 0;
  background: linear-gradient(to left, var(--base-bg), transparent);
}

.marquee-track {
  display: inline-flex;
  gap: 32px;
  white-space: nowrap;
  animation: marquee-scroll 25s linear infinite;
}

.marquee-content {
  display: inline-flex;
  align-items: center;
  gap: 32px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--on-surface-variant);
}

.marquee-content .teal { color: var(--teal); }
.marquee-content .amber { color: var(--amber); }
.marquee-content .white { color: var(--text-main); }

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