:root {
  --c-bg: #0D0F14;
  --c-bg-sub: #141720;
  --c-card: #181C26;
  --c-card-hover: #1F2432;
  --c-border: #2B3142;
  --c-border-hover: #FFE500;
  --c-yellow: #FFE500;
  --c-yellow-dark: #CCA000;
  --c-yellow-glow: rgba(255, 229, 0, 0.18);
  --c-orange: #FF5E1E;
  --c-green: #00E599;
  --c-text: #FFFFFF;
  --c-text2: #9CA3AF;
  --c-text3: #6B7280;
  --bs-font-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Fira Code", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--bs-font-sans-serif);
  background-color: var(--c-bg);
  color: var(--c-text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
}

a {
  text-decoration: none;
}

/* ── Hazard Warning Stripe ── */
.hazard-stripe {
  height: 6px;
  width: 100%;
  background: repeating-linear-gradient(
    -45deg,
    #FFE500,
    #FFE500 14px,
    #0D0F14 14px,
    #0D0F14 28px
  );
}

.hazard-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 229, 0, 0.1);
  border: 1.5px solid var(--c-yellow);
  color: var(--c-yellow);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: var(--font-mono);
}

.badge-pulse {
  width: 8px;
  height: 8px;
  background: var(--c-yellow);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--c-yellow);
  animation: pulse-dot 1.8s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

/* ── Navbar ── */
.navbar-wrap {
  padding: 16px 0;
}

.site-navbar {
  background: rgba(24, 28, 38, 0.92);
  backdrop-filter: blur(16px);
  border: 1.5px solid var(--c-border);
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}

.navbar-logo {
  height: 38px;
  width: 38px;
  border-radius: 8px;
  border: 1.5px solid var(--c-yellow);
  object-fit: cover;
  display: block;
}

.navbar-brand-text {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 6px;
}

.navbar-brand-text span.dot {
  color: var(--c-yellow);
}

.site-navbar .nav-link {
  color: var(--c-text2);
  font-size: 14px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 6px;
  transition: all 0.2s;
  letter-spacing: 0.3px;
}

.site-navbar .nav-link:hover,
.site-navbar .nav-link.active {
  color: #000;
  background: var(--c-yellow);
  font-weight: 800;
}

/* ── Industrial Heavy Buttons ── */
.btn-hazard {
  background: var(--c-yellow);
  color: #0D0F14 !important;
  font-weight: 900;
  border: 2px solid var(--c-yellow);
  border-radius: 8px;
  box-shadow: 4px 4px 0px #000;
  transition: all 0.15s ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-hazard:hover {
  background: #FFFFFF;
  border-color: #FFFFFF;
  color: #000 !important;
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px var(--c-yellow);
}

.btn-hazard:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px #000;
}

.btn-industrial-outline {
  background: rgba(255, 255, 255, 0.04);
  color: #FFFFFF !important;
  font-weight: 800;
  border: 2px solid var(--c-border);
  border-radius: 8px;
  box-shadow: 4px 4px 0px #000;
  transition: all 0.15s ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-industrial-outline:hover {
  background: rgba(255, 229, 0, 0.08);
  border-color: var(--c-yellow);
  color: var(--c-yellow) !important;
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px rgba(0,0,0,0.8);
}

.btn-ghost-custom {
  color: var(--c-text2);
  font-weight: 700;
  border: 1px solid transparent;
  border-radius: 6px;
  transition: all 0.2s;
}

.btn-ghost-custom:hover {
  color: var(--c-yellow);
  border-color: var(--c-border);
}

/* ── Hero Section ── */
.hero-title {
  font-size: clamp(38px, 6.5vw, 62px);
  font-weight: 950;
  letter-spacing: -1.8px;
  line-height: 1.05;
  text-transform: uppercase;
}

.hero-title .highlight {
  color: var(--c-yellow);
  text-shadow: 0 0 25px rgba(255, 229, 0, 0.35);
  background: none;
  -webkit-text-fill-color: initial;
}

.hero-sub {
  font-size: 20px;
  font-weight: 800;
  color: var(--c-text2);
  font-family: var(--font-mono);
}

.hero-desc {
  font-size: 16px;
  color: #A0AEC0;
  line-height: 1.7;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-yellow);
  background: rgba(255, 229, 0, 0.06);
  border: 1px solid rgba(255, 229, 0, 0.25);
  padding: 6px 14px;
  border-radius: 6px;
  font-family: var(--font-mono);
}

/* ── Hero Telemetry Frame ── */
.hero-banner-img-wrap {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 2px solid var(--c-border);
  box-shadow: 8px 8px 0px #000, 0 20px 50px rgba(0,0,0,0.8);
  background: #000;
}

.hero-banner-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
  filter: contrast(1.15) brightness(0.85);
  transition: transform 0.5s ease;
}

.hero-banner-img-wrap:hover .hero-banner-img {
  transform: scale(1.03);
}

.hero-banner-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(13,15,20,0.8) 100%);
  pointer-events: none;
}

.hb-badge {
  position: absolute;
  z-index: 2;
  background: rgba(18, 22, 30, 0.94);
  backdrop-filter: blur(8px);
  border: 1.5px solid var(--c-border);
  border-radius: 8px;
  padding: 10px 16px;
  box-shadow: 4px 4px 0px #000;
  font-family: var(--font-mono);
}

.hb-badge-tl { top: 16px; left: 16px; }
.hb-badge-tr { top: 16px; right: 16px; border-color: var(--c-yellow); }
.hb-badge-b {
  bottom: 16px; left: 50%; transform: translateX(-50%);
  border-radius: 8px; padding: 10px 20px;
  white-space: nowrap;
  display: flex; align-items: center; gap: 10px;
  border-color: var(--c-yellow);
}

.hb-badge-label { font-size: 11px; color: var(--c-text3); font-weight: 700; text-transform: uppercase; }
.hb-badge-value { font-size: 18px; font-weight: 900; color: var(--c-yellow); line-height: 1; margin-top: 3px; }

/* ── Section Title & Tags ── */
.sec-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 900;
  color: var(--c-yellow);
  background: rgba(255, 229, 0, 0.1);
  border: 1.5px solid var(--c-yellow);
  padding: 4px 16px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: var(--font-mono);
}

.sec-title {
  font-size: clamp(28px, 4.5vw, 40px);
  font-weight: 900;
  letter-spacing: -1px;
  color: #FFFFFF;
}

.sec-desc {
  font-size: 16px;
  color: var(--c-text2);
  line-height: 1.7;
}

/* ── Stat Cards ── */
.stat-card {
  background: var(--c-card);
  border: 2px solid var(--c-border);
  border-radius: 10px;
  padding: 26px 16px;
  text-align: center;
  box-shadow: 4px 4px 0px #000;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--c-border);
  transition: background 0.2s;
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-yellow);
  box-shadow: 6px 6px 0px var(--c-yellow);
}

.stat-card:hover::before {
  background: var(--c-yellow);
}

.stat-icon { font-size: 28px; }

.stat-num {
  font-size: 40px;
  font-weight: 950;
  line-height: 1.1;
  color: var(--c-yellow);
  font-family: var(--font-mono);
  letter-spacing: -1px;
}

.stat-lbl {
  font-size: 13px;
  color: var(--c-text2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Feature Cards ── */
.feat-card {
  background: var(--c-card);
  border: 2px solid var(--c-border);
  border-radius: 12px;
  padding: 30px;
  height: 100%;
  box-shadow: 4px 4px 0px #000;
  transition: all 0.2s;
}

.feat-card:hover {
  transform: translateY(-5px);
  border-color: var(--c-yellow);
  box-shadow: 6px 6px 0px var(--c-yellow);
}

.feat-icon-wrap {
  width: 54px;
  height: 54px;
  border-radius: 8px;
  background: rgba(255, 229, 0, 0.1);
  border: 1.5px solid var(--c-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
}

.feat-title {
  font-size: 18px;
  font-weight: 850;
  color: #FFFFFF;
}

.feat-desc {
  font-size: 14px;
  color: var(--c-text2);
  line-height: 1.7;
}

/* ── Pricing Cards (Heavy Industrial Style) ── */
.pricing-card {
  background: var(--c-card);
  border: 2px solid var(--c-border);
  border-radius: 12px;
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.25s;
  box-shadow: 6px 6px 0px #000;
  height: 100%;
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: var(--c-yellow);
  box-shadow: 8px 8px 0px var(--c-yellow);
}

.pricing-card.hot {
  border-color: var(--c-yellow);
  background: #1C212E;
  box-shadow: 8px 8px 0px var(--c-yellow);
  transform: scale(1.02);
}

.pricing-card.hot:hover {
  transform: scale(1.02) translateY(-6px);
  box-shadow: 12px 12px 0px var(--c-yellow);
}

.price-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-yellow);
  color: #000;
  font-size: 12px;
  font-weight: 900;
  padding: 4px 18px;
  border-radius: 4px;
  border: 1.5px solid #000;
  box-shadow: 2px 2px 0px #000;
  white-space: nowrap;
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.plan-name {
  font-size: 16px;
  font-weight: 900;
  color: var(--c-yellow);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: var(--font-mono);
}

.plan-price {
  font-size: 54px;
  font-weight: 950;
  line-height: 1;
  color: #FFFFFF;
  font-family: var(--font-mono);
}

.plan-price sup {
  font-size: 22px;
  color: var(--c-yellow);
  font-weight: 800;
  vertical-align: top;
  margin-top: 10px;
  display: inline-block;
}

.plan-price small {
  font-size: 14px;
  color: var(--c-text3);
  font-weight: 600;
}

.plan-sub {
  font-size: 13px;
  color: var(--c-text2);
  font-weight: 600;
}

.plan-feats {
  font-size: 14px;
  color: #CBD5E1;
  flex: 1;
}

.plan-feats li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.plan-feats .ck {
  color: var(--c-yellow);
  font-weight: 900;
  font-size: 16px;
}

.plan-btn {
  display: block;
  text-align: center;
  border-radius: 8px;
  padding: 14px;
  font-size: 15px;
  font-weight: 900;
}

/* ── Scenario Cards ── */
.scene-card {
  background: var(--c-card);
  border: 2px solid var(--c-border);
  border-radius: 10px;
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  box-shadow: 4px 4px 0px #000;
  transition: all 0.2s;
  height: 100%;
}

.scene-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-yellow);
  box-shadow: 6px 6px 0px var(--c-yellow);
}

.scene-icon {
  font-size: 30px;
  flex-shrink: 0;
}

.scene-title {
  font-size: 16px;
  font-weight: 800;
  color: #FFFFFF;
}

.scene-desc {
  font-size: 13.5px;
  color: var(--c-text2);
  line-height: 1.6;
}

/* ── Testimonial Cards ── */
.testi-card {
  background: var(--c-card);
  border: 2px solid var(--c-border);
  border-radius: 12px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 4px 4px 0px #000;
  transition: all 0.2s;
  height: 100%;
}

.testi-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-yellow);
  box-shadow: 6px 6px 0px var(--c-yellow);
}

.stars {
  color: var(--c-yellow);
  letter-spacing: 2px;
  font-size: 16px;
}

.testi-text {
  font-size: 14.5px;
  color: #CBD5E1;
  line-height: 1.7;
  flex: 1;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--c-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: #000;
  border: 1.5px solid #000;
  flex-shrink: 0;
}

.author-name {
  font-size: 15px;
  font-weight: 800;
  color: #FFFFFF;
}

.author-role {
  font-size: 12px;
  color: var(--c-yellow);
  font-family: var(--font-mono);
}

/* ── FAQ Accordion ── */
.faq-accordion .accordion-item {
  background: var(--c-card);
  border: 2px solid var(--c-border);
  border-radius: 10px !important;
  overflow: hidden;
  margin-bottom: 12px;
  box-shadow: 4px 4px 0px #000;
  transition: border-color 0.2s;
}

.faq-accordion .accordion-item:hover {
  border-color: var(--c-yellow);
}

.faq-accordion .accordion-button {
  background: var(--c-card);
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 800;
  padding: 20px 24px;
  box-shadow: none;
}

.faq-accordion .accordion-button:not(.collapsed) {
  color: var(--c-yellow);
  background: #141822;
  border-bottom: 1px solid var(--c-border);
}

.faq-accordion .accordion-body {
  background: #141822;
  color: var(--c-text2);
  font-size: 14.5px;
  line-height: 1.8;
  padding: 20px 24px;
}

/* ── CTA Banner ── */
.cta-box {
  background: #FFE500;
  color: #0D0F14;
  border-radius: 16px;
  padding: 60px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border: 3px solid #000;
  box-shadow: 8px 8px 0px #000;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 8px;
  background: repeating-linear-gradient(
    -45deg,
    #000,
    #000 14px,
    #FFE500 14px,
    #FFE500 28px
  );
}

.cta-title {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 950;
  color: #0D0F14;
  text-transform: uppercase;
  letter-spacing: -1px;
}

.cta-sub {
  font-size: 18px;
  color: #2D3748;
  font-weight: 700;
  font-family: var(--font-mono);
}

.btn-black-custom {
  background: #0D0F14;
  color: #FFE500 !important;
  font-size: 17px;
  font-weight: 900;
  border: 2px solid #000;
  border-radius: 8px;
  box-shadow: 4px 4px 0px rgba(0,0,0,0.5);
  transition: all 0.2s;
  display: inline-block;
}

.btn-black-custom:hover {
  background: #FFFFFF;
  color: #000 !important;
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px #000;
}

.cta-note {
  font-size: 13px;
  color: #4A5568;
  font-weight: 700;
}

/* ── Site Footer ── */
.site-footer {
  background: #080A0D;
  border-top: 2px solid var(--c-border);
}

.footer-tagline {
  font-size: 14px;
  color: var(--c-text3);
  line-height: 1.7;
}

.fcol-title {
  font-size: 13px;
  font-weight: 900;
  color: var(--c-yellow);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: var(--font-mono);
}

.fcol a {
  font-size: 14px;
  color: var(--c-text2);
  display: block;
  transition: color 0.2s;
}

.fcol a:hover {
  color: var(--c-yellow);
}

.footer-copy {
  font-size: 13px;
  color: var(--c-text3);
}

/* ── Subpage Components ── */
.page-hero {
  background: #141822;
  border-bottom: 2px solid var(--c-border);
  padding: 64px 0 54px;
  position: relative;
}

.page-hero-title {
  font-size: clamp(30px, 5.5vw, 44px);
  font-weight: 950;
  color: #FFFFFF;
  text-transform: uppercase;
}

.page-hero-sub {
  font-size: 16px;
  color: var(--c-text2);
}

.page-hero-breadcrumb {
  font-size: 13px;
  color: var(--c-yellow);
  font-family: var(--font-mono);
}

.page-hero-breadcrumb a {
  color: var(--c-text2);
}

.page-hero-breadcrumb a:hover {
  color: var(--c-yellow);
}

.content-card {
  background: var(--c-card);
  border: 2px solid var(--c-border);
  border-radius: 12px;
  padding: 40px;
  box-shadow: 6px 6px 0px #000;
}

.content-card h2 {
  font-size: 22px;
  font-weight: 900;
  color: #FFFFFF;
  border-left: 4px solid var(--c-yellow);
  padding-left: 14px;
  margin-top: 36px;
  margin-bottom: 16px;
}

.content-card h2:first-child { margin-top: 0; }
.content-card p { font-size: 15px; color: #CBD5E1; line-height: 1.8; margin-bottom: 16px; }
.content-card ul { font-size: 15px; color: #CBD5E1; line-height: 1.8; padding-left: 20px; margin-bottom: 16px; }
.content-card ul li { margin-bottom: 8px; }
.content-card .last-updated { font-size: 13px; color: var(--c-yellow); font-family: var(--font-mono); }

.contact-info-card {
  background: var(--c-card);
  border: 2px solid var(--c-border);
  border-radius: 12px;
  padding: 26px;
  box-shadow: 4px 4px 0px #000;
  height: 100%;
  transition: all 0.2s;
}

.contact-info-card:hover {
  border-color: var(--c-yellow);
  transform: translateY(-3px);
  box-shadow: 6px 6px 0px var(--c-yellow);
}

.team-card {
  background: var(--c-card);
  border: 2px solid var(--c-border);
  border-radius: 12px;
  padding: 28px;
  text-align: center;
  box-shadow: 4px 4px 0px #000;
  transition: all 0.2s;
  height: 100%;
}

.team-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-yellow);
  box-shadow: 6px 6px 0px var(--c-yellow);
}

.team-avatar {
  width: 68px;
  height: 68px;
  border-radius: 8px;
  margin: 0 auto 16px;
  background: var(--c-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 950;
  color: #000;
  border: 2px solid #000;
}

.team-name { font-size: 17px; font-weight: 900; color: #FFFFFF; }
.team-role { font-size: 13px; color: var(--c-yellow); font-family: var(--font-mono); font-weight: 700; }
.team-bio { font-size: 13.5px; color: var(--c-text2); line-height: 1.6; margin-top: 10px; }

/* ── Animation Observer ── */
.fade-up { opacity: 1; transform: none; }
.has-intersection-observer .fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.has-intersection-observer .fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}