@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800&family=Barlow:wght@300;400;500;600&family=DM+Mono:wght@400;500&display=swap');

:root {
  --deep-blue: #0a2342;
  --blue-mid: #1a3a6b;
  --blue-light: #1e4d8c;
  --mining-orange: #f47c20;
  --orange-light: #ff9a40;
  --orange-glow: rgba(244, 124, 32, 0.15);
  --white: #ffffff;
  --off-white: #f8f9fb;
  --grey-panel: #eef0f4;
  --grey-mid: #c5cad6;
  --grey-dark: #6b7280;
  --text-primary: #0a1929;
  --text-secondary: #3d4f6b;
  --border: rgba(10, 35, 66, 0.12);
  --shadow-sm: 0 2px 8px rgba(10,35,66,0.08);
  --shadow-md: 0 6px 24px rgba(10,35,66,0.12);
  --shadow-lg: 0 16px 48px rgba(10,35,66,0.18);
  --radius: 8px;
  --radius-lg: 16px;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Barlow', sans-serif;
  background: var(--white);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--deep-blue);
  border-bottom: 2px solid var(--mining-orange);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 64px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.35);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-brand-icon {
  width: 38px; height: 38px;
  background: var(--mining-orange);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: white;
  font-family: 'Barlow Condensed', sans-serif;
  letter-spacing: -1px;
}

.nav-brand-text {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: white;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-brand-text span {
  display: block;
  color: var(--mining-orange);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-menu::-webkit-scrollbar { display: none; }

.nav-menu li a {
  display: block;
  padding: 0 14px;
  line-height: 64px;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  white-space: nowrap;
  transition: color 0.2s, background 0.2s;
  border-bottom: 3px solid transparent;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--mining-orange);
  border-bottom-color: var(--mining-orange);
  background: rgba(255,255,255,0.04);
}

.hamburger {
  display: none;
  background: none; border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: white;
  transition: 0.3s;
}

/* ===== PAGE WRAPPER ===== */
.page-content { padding-top: 64px; }

/* ===== HERO SECTIONS ===== */
.hero {
  background: var(--deep-blue);
  position: relative;
  overflow: hidden;
  padding: 80px 2rem 70px;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 20% 50%, rgba(26,58,107,0.8) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 80% 30%, rgba(244,124,32,0.12) 0%, transparent 50%);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.hero-content { position: relative; z-index: 1; max-width: 860px; margin: 0 auto; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--orange-glow);
  border: 1px solid var(--mining-orange);
  color: var(--orange-light);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--mining-orange);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.hero h1 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.8rem);
  color: white;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.hero h1 em {
  font-style: normal;
  color: var(--mining-orange);
}

.hero-sub {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.65);
  max-width: 620px;
  margin: 0 auto 32px;
  font-weight: 400;
}

.hero-meta {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.55);
  font-size: 0.82rem;
  font-weight: 500;
}

.hero-meta-item .dot {
  width: 8px; height: 8px;
  background: var(--mining-orange);
  border-radius: 50%;
  flex-shrink: 0;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: 'Barlow', sans-serif;
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.22s;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--mining-orange);
  color: white;
  box-shadow: 0 4px 14px rgba(244,124,32,0.4);
}

.btn-primary:hover {
  background: var(--orange-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(244,124,32,0.5);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 1.5px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  border-color: var(--mining-orange);
  color: var(--mining-orange);
  transform: translateY(-2px);
}

.btn-blue {
  background: var(--blue-light);
  color: white;
}

.btn-blue:hover {
  background: var(--blue-mid);
  transform: translateY(-2px);
}

/* ===== SECTIONS ===== */
.section {
  padding: 72px 2rem;
}

.section-grey {
  background: var(--grey-panel);
}

.section-dark {
  background: var(--deep-blue);
  color: white;
}

.section-blue {
  background: var(--blue-mid);
  color: white;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mining-orange);
  margin-bottom: 12px;
}

.section-label::before {
  content: '';
  width: 20px; height: 2px;
  background: var(--mining-orange);
}

.section-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  text-transform: uppercase;
  letter-spacing: -0.3px;
  line-height: 1.1;
  margin-bottom: 16px;
  color: var(--deep-blue);
}

.section-dark .section-title,
.section-blue .section-title { color: white; }

.section-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.section-dark .section-lead,
.section-blue .section-lead { color: rgba(255,255,255,0.7); }

/* ===== CARDS ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.card-icon.orange { background: rgba(244,124,32,0.12); }
.card-icon.blue { background: rgba(10,35,66,0.08); }
.card-icon.green { background: rgba(34,197,94,0.1); }

.card h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 10px;
  color: var(--deep-blue);
}

.card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.card-dark {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: white;
}

.card-dark h3 { color: var(--orange-light); }
.card-dark p { color: rgba(255,255,255,0.7); }

/* ===== IMAGE PLACEHOLDERS ===== */
.img-placeholder {
  background: var(--grey-panel);
  border: 2px dashed var(--grey-mid);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  text-align: center;
  color: var(--grey-dark);
  font-size: 0.85rem;
  gap: 10px;
  min-height: 200px;
  transition: background 0.2s, border-color 0.2s;
}

.img-placeholder:hover {
  background: rgba(244,124,32,0.04);
  border-color: var(--mining-orange);
}

.img-placeholder .icon { font-size: 2.2rem; opacity: 0.5; }
.img-placeholder .label {
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
}
.img-placeholder .hint { font-size: 0.75rem; color: var(--grey-dark); }

/* ===== HIERARCHY DIAGRAM ===== */
.hierarchy-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 32px 0;
}

.hier-node {
  display: flex;
  align-items: center;
  gap: 14px;
  background: white;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 16px 28px;
  min-width: 300px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s;
}

.hier-node:hover { transform: scale(1.02); }

.hier-node.top { border-left: 4px solid #6366f1; }
.hier-node.mid1 { border-left: 4px solid var(--mining-orange); }
.hier-node.mid2 { border-left: 4px solid #22c55e; }
.hier-node.bottom { border-left: 4px solid var(--deep-blue); background: var(--deep-blue); color: white; }

.hier-node-icon {
  font-size: 1.6rem;
  width: 44px;
  flex-shrink: 0;
  text-align: center;
}

.hier-node-text .title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hier-node-text .sub {
  font-size: 0.78rem;
  color: var(--grey-dark);
  margin-top: 2px;
}

.hier-node.bottom .hier-node-text .sub { color: rgba(255,255,255,0.6); }

.hier-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  color: var(--mining-orange);
  font-size: 1.4rem;
  padding: 4px 0;
  line-height: 1;
}

/* ===== SPEC TABLE ===== */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.spec-table th {
  background: var(--deep-blue);
  color: white;
  padding: 12px 16px;
  text-align: left;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.spec-table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: top;
}

.spec-table tr:nth-child(even) td { background: var(--off-white); }
.spec-table tr:hover td { background: rgba(244,124,32,0.04); }

.spec-table td:first-child {
  font-weight: 600;
  color: var(--deep-blue);
  white-space: nowrap;
}

/* ===== DATA FLOW ===== */
.data-flow {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
  padding: 24px 0;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 20px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 10px;
  min-width: 110px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.flow-step:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--mining-orange);
}

.flow-step .icon { font-size: 1.6rem; }
.flow-step .name {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--deep-blue);
}
.flow-step .detail {
  font-size: 0.65rem;
  color: var(--grey-dark);
  line-height: 1.3;
}

.flow-arrow {
  font-size: 1.4rem;
  color: var(--mining-orange);
  padding: 0 6px;
  flex-shrink: 0;
}

/* ===== SSI METER ===== */
.ssi-zones {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.ssi-zone {
  flex: 1;
  min-width: 160px;
  border-radius: 10px;
  padding: 20px;
  text-align: center;
}

.ssi-zone.safe { background: rgba(34,197,94,0.1); border: 1.5px solid rgba(34,197,94,0.4); }
.ssi-zone.warning { background: rgba(234,179,8,0.1); border: 1.5px solid rgba(234,179,8,0.4); }
.ssi-zone.danger { background: rgba(239,68,68,0.1); border: 1.5px solid rgba(239,68,68,0.4); }

.ssi-zone .label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.ssi-zone.safe .label { color: #16a34a; }
.ssi-zone.warning .label { color: #ca8a04; }
.ssi-zone.danger .label { color: #dc2626; }

.ssi-zone .range {
  font-family: 'DM Mono', monospace;
  font-size: 0.85rem;
  margin-top: 4px;
  color: var(--text-secondary);
}

.ssi-zone .desc { font-size: 0.78rem; color: var(--grey-dark); margin-top: 6px; }

/* ===== FORMULA BOX ===== */
.formula-box {
  background: var(--deep-blue);
  color: white;
  border-radius: var(--radius);
  padding: 24px 32px;
  font-family: 'DM Mono', monospace;
  font-size: 1.1rem;
  text-align: center;
  border-left: 4px solid var(--mining-orange);
  letter-spacing: 0.5px;
}

.formula-box .label {
  font-size: 0.7rem;
  font-family: 'Barlow', sans-serif;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mining-orange);
  margin-bottom: 10px;
}

/* ===== BENCH MODEL ===== */
.bench-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.bench-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.bench-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.bench-header {
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.bench-number {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--deep-blue);
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 1rem;
}

.bench-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--deep-blue);
}

.bench-body { padding: 16px 20px; }
.bench-body p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }

/* ===== TIMELINE STEPS ===== */
.steps-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step-item {
  display: flex;
  gap: 20px;
  padding-bottom: 28px;
  position: relative;
}

.step-item:last-child { padding-bottom: 0; }

.step-item::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 40px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--mining-orange), transparent);
}

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

.step-num {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--deep-blue);
  border: 2px solid var(--mining-orange);
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 0.95rem;
  flex-shrink: 0;
  z-index: 1;
}

.step-content { padding-top: 8px; }

.step-content h4 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--deep-blue);
  margin-bottom: 4px;
}

.step-content p { font-size: 0.875rem; color: var(--text-secondary); }

.section-dark .step-content h4 { color: white; }
.section-dark .step-content p { color: rgba(255,255,255,0.65); }
.section-dark .step-num { background: var(--mining-orange); border-color: white; color: white; }

/* ===== FEATURE LIST ===== */
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.feature-list li::before {
  content: '◆';
  color: var(--mining-orange);
  font-size: 0.6rem;
  margin-top: 4px;
  flex-shrink: 0;
}

.section-dark .feature-list li { color: rgba(255,255,255,0.75); }
.section-dark .feature-list li::before { color: var(--orange-light); }

/* ===== TWO COLUMN LAYOUT ===== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.two-col-60 {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 768px) {
  .two-col, .two-col-60 { grid-template-columns: 1fr; }
  .nav-menu { display: none; }
  .nav-menu.open { display: flex; flex-direction: column; position: fixed; top: 64px; left: 0; right: 0; background: var(--deep-blue); padding: 16px; border-top: 1px solid rgba(255,255,255,0.1); }
  .nav-menu.open li a { line-height: 1; padding: 14px 8px; border-bottom: none; }
  .hamburger { display: flex; }
  .data-flow { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); }
}

/* ===== RESULT CARDS ===== */
.result-stat {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.result-stat .value {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 2.8rem;
  color: var(--deep-blue);
  line-height: 1;
  margin-bottom: 6px;
}

.result-stat .value span { color: var(--mining-orange); }

.result-stat .metric {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
}

/* ===== FUTURE SCOPE ===== */
.future-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  transition: background 0.2s;
}

.future-item:hover { background: rgba(255,255,255,0.09); }

.future-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: rgba(244,124,32,0.2);
  line-height: 1;
  flex-shrink: 0;
  width: 40px;
  text-align: right;
}

.future-content h4 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: uppercase;
  color: var(--orange-light);
  margin-bottom: 6px;
}

.future-content p { font-size: 0.875rem; color: rgba(255,255,255,0.65); line-height: 1.6; }

/* ===== PAGE HERO (sub-pages) ===== */
.page-hero {
  background: var(--deep-blue);
  padding: 56px 2rem 48px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  right: -60px; top: -60px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(244,124,32,0.12) 0%, transparent 70%);
}

.page-hero-content { position: relative; z-index: 1; max-width: 1160px; margin: 0 auto; }

.page-hero-breadcrumb {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  font-weight: 600;
}

.page-hero h1 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: white;
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 12px;
}

.page-hero h1 em { font-style: normal; color: var(--mining-orange); }

.page-hero p {
  color: rgba(255,255,255,0.65);
  font-size: 1rem;
  max-width: 540px;
}

/* ===== SENSOR CARD ===== */
.sensor-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 56px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--border);
}

.sensor-section:last-child { border-bottom: none; margin-bottom: 0; }

@media (max-width: 768px) { .sensor-section { grid-template-columns: 1fr; } }

.sensor-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(244,124,32,0.1);
  border: 1px solid rgba(244,124,32,0.3);
  color: var(--mining-orange);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.sensor-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 1.8rem;
  text-transform: uppercase;
  color: var(--deep-blue);
  margin-bottom: 8px;
  line-height: 1.1;
}

/* ===== FOOTER ===== */
.footer {
  background: #060f1e;
  color: rgba(255,255,255,0.5);
  padding: 40px 2rem;
  text-align: center;
  font-size: 0.82rem;
}

.footer-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: white;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.footer-divider {
  width: 60px;
  height: 2px;
  background: var(--mining-orange);
  margin: 12px auto;
}

/* ===== INSAR STEPS ===== */
.insar-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
}

.insar-step-num {
  width: 36px; height: 36px;
  flex-shrink: 0;
  background: var(--mining-orange);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  color: white;
}

/* ===== CLOUD FIELDS ===== */
.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.field-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  box-shadow: var(--shadow-sm);
}

.field-num {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--mining-orange);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.field-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--deep-blue);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.field-desc { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.5; }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== STATUS BADGE ===== */
.status-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(34,197,94,0.12);
  border: 1px solid rgba(34,197,94,0.3);
  color: #16a34a;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.status-live::before {
  content: '';
  width: 6px; height: 6px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}