/* ============================================================
   Bob's Metals, Inc. — Website v4
   Luxury Industrial Design System
   ============================================================ */

/* ============================================================
   1. CSS Custom Properties
   ============================================================ */
:root {
  /* Backgrounds */
  --bg-darkest: #07070f;
  --bg-primary: #0d0d18;
  --bg-secondary: #1a1a2e;
  --bg-surface: #131325;
  --bg-card: #16162a;
  --bg-light: #f4f3ef;
  --bg-light-alt: #eeecea;
  --bg-white: #ffffff;

  /* Brand Colors */
  --gold: #F2A900;
  --gold-light: #ffbe2e;
  --gold-dark: #c98e00;
  --gold-subtle: rgba(242, 169, 0, 0.12);
  --brand-blue: #005EB8;
  --steel: #2d5f8a;
  --steel-light: #3a7bb5;

  /* Text */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.68);
  --text-muted: rgba(255, 255, 255, 0.38);
  --text-dark: #1a1a2e;
  --text-dark-secondary: #4a4960;
  --text-dark-muted: #8a8aa0;

  /* Borders */
  --border-dark: rgba(255, 255, 255, 0.07);
  --border-dark-hover: rgba(255, 255, 255, 0.15);
  --border-light: rgba(0, 0, 0, 0.08);
  --border-gold: rgba(242, 169, 0, 0.35);

  /* Typography */
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --section-pad: clamp(80px, 10vw, 140px);
  --container-max: 1320px;
  --container-pad: clamp(20px, 5vw, 60px);

  /* Animation */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 200ms;
  --dur-normal: 360ms;
  --dur-slow: 600ms;

  /* Shadows */
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 40px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 80px rgba(0, 0, 0, 0.45);
  --shadow-gold: 0 0 60px rgba(242, 169, 0, 0.18);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

/* ============================================================
   2. Reset & Base
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-smooth);
}

ul, ol { list-style: none; }

button {
  cursor: pointer;
  font-family: var(--font-body);
  border: none;
  background: none;
}

input, textarea, select {
  font-family: var(--font-body);
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.skip-nav {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--gold);
  color: var(--bg-darkest);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--dur-fast);
}
.skip-nav:focus { top: 1rem; }

/* ============================================================
   3. Typography
   ============================================================ */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
}
.section-label::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--gold);
  flex-shrink: 0;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-dark-secondary);
  max-width: 600px;
  line-height: 1.75;
}

.section-title--light { color: var(--text-primary); }
.section-subtitle--light { color: var(--text-secondary); }

/* ============================================================
   4. Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  transition: all var(--dur-normal) var(--ease-spring);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
}
.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--dur-fast) var(--ease-spring);
}
.btn:hover svg { transform: translateX(4px); }

.btn-gold {
  background: var(--gold);
  color: var(--bg-darkest);
  border-color: var(--gold);
}
.btn-gold:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  color: var(--bg-darkest);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(242, 169, 0, 0.4);
}

.btn-outline-white {
  background: transparent;
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.35);
}
.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--text-dark);
  border-color: rgba(26, 26, 46, 0.3);
}
.btn-outline-dark:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--bg-secondary);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1.1rem 2.2rem;
  font-size: 1rem;
}

/* ============================================================
   5. Container
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ============================================================
   6. Navigation
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: background var(--dur-normal) var(--ease-smooth),
              padding var(--dur-normal) var(--ease-smooth),
              box-shadow var(--dur-normal) var(--ease-smooth),
              backdrop-filter var(--dur-normal) var(--ease-smooth);
}
.nav.nav-scrolled {
  background: rgba(13, 13, 24, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-dark);
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  flex-shrink: 0;
  text-decoration: none;
}
.nav-logo img { height: 36px; width: auto; }

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.nav-logo-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.nav-logo-tagline {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin: 0 auto;
  list-style: none;
}
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast), background var(--dur-fast);
  letter-spacing: 0.02em;
}
.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}
.nav-link.active { color: var(--gold); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.nav-phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--dur-fast);
}
.nav-phone svg { width: 16px; height: 16px; }
.nav-phone:hover { color: var(--gold); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-dark);
  cursor: pointer;
}
.nav-hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--dur-normal) var(--ease-smooth);
  transform-origin: center;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile Menu */
.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-darkest);
  z-index: 999;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  padding: 6rem 2rem 3rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-normal) var(--ease-smooth);
}
.nav-mobile.open { opacity: 1; pointer-events: all; }

.nav-mobile-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}
.nav-mobile-links a {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 6vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  opacity: 0.7;
  transition: opacity var(--dur-fast), color var(--dur-fast);
}
.nav-mobile-links a:hover { opacity: 1; color: var(--gold); }

.nav-mobile-contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  border-top: 1px solid var(--border-dark);
  padding-top: 2rem;
  width: 100%;
  max-width: 300px;
}
.nav-mobile-phone {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ============================================================
   7. Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding-top: 90px;
}

.hero-parallax-bg {
  position: absolute;
  inset: -15%;
  background-image: url('../images/hero-bg.png');
  background-size: cover;
  background-position: center 40%;
  will-change: transform;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(7, 7, 15, 0.97) 0%, rgba(7, 7, 15, 0.7) 40%, rgba(7, 7, 15, 0.3) 100%),
    linear-gradient(to right, rgba(7, 7, 15, 0.5) 0%, transparent 60%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--container-pad);
  padding-bottom: 180px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 2rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-gold);
  border-radius: 100px;
  background: rgba(242, 169, 0, 0.06);
  width: fit-content;
}
.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.75); }
}

.hero-title {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  max-width: 700px;
}
.hero-title em {
  font-style: italic;
  color: var(--gold);
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Hero Stats */
.hero-stats {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  display: flex;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 7, 15, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.hero-stat {
  flex: 1;
  padding: 2rem var(--container-pad);
  text-align: center;
  position: relative;
}
.hero-stat + .hero-stat::before {
  content: '';
  position: absolute;
  left: 0;
  top: 25%;
  height: 50%;
  width: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.hero-stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 120px;
  right: var(--container-pad);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}
.hero-scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--gold) 0%, transparent 100%);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================================
   8. Trust Bar
   ============================================================ */
.trust-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-dark);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.trust-bar::-webkit-scrollbar { display: none; }

.trust-bar-inner {
  display: flex;
  align-items: stretch;
  min-width: max-content;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 2rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-right: 1px solid var(--border-dark);
  white-space: nowrap;
  transition: color var(--dur-fast), background var(--dur-fast);
}
.trust-item:last-child { border-right: none; }
.trust-item:hover { color: var(--text-primary); background: rgba(255,255,255,0.03); }
.trust-item svg { width: 18px; height: 18px; color: var(--gold); flex-shrink: 0; }
.trust-item strong { font-weight: 700; color: var(--text-primary); }

/* ============================================================
   9. Services
   ============================================================ */
.services {
  background: var(--bg-light);
  padding: var(--section-pad) 0;
}

.services-header {
  margin-bottom: 3.5rem;
  max-width: 680px;
}
.services-header .section-label { color: var(--gold-dark); }
.services-header .section-label::before { background: var(--gold-dark); }
.services-header .section-title { color: var(--text-dark); }

.services-intro {
  color: var(--text-dark-secondary);
  font-size: 1.05rem;
  max-width: 600px;
  line-height: 1.75;
}

/* Tab Navigation */
.services-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 0;
  border-bottom: 1px solid var(--border-light);
  overflow-x: auto;
  scrollbar-width: none;
}
.services-tabs::-webkit-scrollbar { display: none; }

.service-tab {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.25rem 1.75rem 1.1rem;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
  transition: all var(--dur-normal) var(--ease-smooth);
  position: relative;
  margin-bottom: -1px;
}
.service-tab:hover { background: rgba(0,0,0,0.03); }
.service-tab.active { border-bottom-color: var(--gold-dark); }

.tab-number {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-dark-muted);
  transition: color var(--dur-fast);
}
.service-tab.active .tab-number,
.service-tab:hover .tab-number { color: var(--gold-dark); }

.tab-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark-secondary);
  transition: color var(--dur-fast);
}
.service-tab.active .tab-name,
.service-tab:hover .tab-name { color: var(--text-dark); }

/* Service Panels */
.service-panel {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border-light);
  border-top: none;
  background: var(--bg-white);
  overflow: hidden;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}
.service-panel.active {
  display: grid;
  animation: panel-in var(--dur-slow) var(--ease-spring) both;
}

@keyframes panel-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.service-panel-image {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  background: var(--bg-secondary);
}
.service-panel-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-spring);
}
.service-panel:hover .service-panel-image img { transform: scale(1.04); }
.service-panel-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,13,24,0.25) 0%, transparent 70%);
}

.service-panel-content {
  padding: 3rem 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow-y: auto;
}
.service-panel-content h3 {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.2;
}

.service-subtitle {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold-dark);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-light);
}

.service-panel-content p {
  font-size: 0.95rem;
  color: var(--text-dark-secondary);
  line-height: 1.75;
}

.service-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  list-style: none;
  padding: 0;
  margin: 0.5rem 0;
}
.service-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dark-secondary);
}
.service-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold-dark);
  flex-shrink: 0;
}

.service-panel-content .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ============================================================
   10. Industrial CTA
   ============================================================ */
.industrial-cta {
  position: relative;
  overflow: hidden;
  padding: var(--section-pad) 0;
  isolation: isolate;
}

.industrial-cta-parallax {
  position: absolute;
  inset: -20%;
  background-image: url('../images/industrial-bg.png');
  background-size: cover;
  background-position: center;
  will-change: transform;
  z-index: -2;
}

.industrial-cta-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(0, 94, 184, 0.85) 0%, rgba(13, 13, 24, 0.92) 60%);
  z-index: -1;
}

.industrial-cta .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.industrial-cta-content .section-label { color: var(--gold); }
.industrial-cta-content .section-label::before { background: var(--gold); }

.industrial-cta-content h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.industrial-cta-content p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

.industrial-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.industrial-feature {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  transition: background var(--dur-normal), border-color var(--dur-normal), transform var(--dur-normal);
}
.industrial-feature:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(242, 169, 0, 0.3);
  transform: translateY(-4px);
}
.industrial-feature svg { width: 28px; height: 28px; color: var(--gold); }
.industrial-feature h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}
.industrial-feature p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ============================================================
   11. About
   ============================================================ */
.about {
  background: var(--bg-light);
  padding: var(--section-pad) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.about-image-wrapper { position: relative; }

.about-main-image {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-secondary);
  aspect-ratio: 4/5;
  box-shadow: var(--shadow-lg);
}
.about-main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-spring);
}
.about-main-image:hover img { transform: scale(1.04); }

.about-badge {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  background: var(--gold);
  color: var(--bg-darkest);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-gold);
}
.about-badge-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}
.about-badge-text {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

.about-founder-img {
  position: absolute;
  top: -1.5rem;
  right: -1.5rem;
  width: 130px;
  height: 160px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 4px solid var(--bg-light);
  box-shadow: var(--shadow-md);
  background: var(--bg-secondary);
}
.about-founder-img img { width: 100%; height: 100%; object-fit: cover; }

.about-content .section-label { color: var(--gold-dark); }
.about-content .section-label::before { background: var(--gold-dark); }
.about-content .section-title { color: var(--text-dark); }
.about-content p {
  color: var(--text-dark-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

/* Milestones */
.about-milestones {
  display: flex;
  gap: 0;
  margin: 2rem 0;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.about-milestone {
  flex: 1;
  padding: 1.25rem;
  text-align: center;
  background: var(--bg-white);
  border-right: 1px solid var(--border-light);
}
.about-milestone:last-child { border-right: none; }
.about-milestone-year {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--gold-dark);
  line-height: 1;
}
.about-milestone-text {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-dark-muted);
  margin-top: 0.35rem;
  line-height: 1.4;
}

/* Values */
.about-values {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}
.about-value {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.875rem;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dark-secondary);
  transition: all var(--dur-fast);
}
.about-value:hover {
  border-color: var(--gold-dark);
  color: var(--gold-dark);
  background: rgba(242, 169, 0, 0.04);
}
.about-value svg { width: 14px; height: 14px; color: var(--gold-dark); }

/* ============================================================
   12. Products
   ============================================================ */
.products {
  background: var(--bg-primary);
  padding: var(--section-pad) 0;
}

.products-header {
  text-align: center;
  margin-bottom: 4rem;
}
.products-header .section-label { justify-content: center; }
.products-header .section-subtitle { margin: 0 auto; }

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.product-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--bg-surface);
  cursor: pointer;
}
.product-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-spring);
}
.product-card:hover img { transform: scale(1.09); }

.product-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    rgba(7, 7, 15, 0.96) 0%,
    rgba(7, 7, 15, 0.6) 40%,
    rgba(7, 7, 15, 0.1) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.75rem;
  transition: background 0.4s var(--ease-smooth);
}
.product-card:hover .product-overlay {
  background: linear-gradient(to top,
    rgba(7, 7, 15, 0.98) 25%,
    rgba(7, 7, 15, 0.7) 60%,
    rgba(13, 13, 24, 0.2) 100%);
}

.product-label {
  display: inline-flex;
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 0.4rem;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s var(--ease-spring) 0.05s;
}
.product-card:hover .product-label { opacity: 1; transform: translateY(0); }

.product-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.product-description {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s var(--ease-spring) 0.1s;
}
.product-card:hover .product-description { opacity: 1; transform: translateY(0); }

/* ============================================================
   13. Compliance
   ============================================================ */
.compliance {
  background: var(--bg-light);
  padding: var(--section-pad) 0;
}

.compliance-header {
  text-align: center;
  margin-bottom: 4rem;
}
.compliance-header .section-label { justify-content: center; color: var(--gold-dark); }
.compliance-header .section-label::before { background: var(--gold-dark); }
.compliance-header .section-title { color: var(--text-dark); }
.compliance-header .section-subtitle { margin: 0 auto; }

.compliance-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.compliance-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color var(--dur-normal), box-shadow var(--dur-normal), transform var(--dur-normal);
}
.compliance-card:hover {
  border-color: rgba(242, 169, 0, 0.4);
  box-shadow: var(--shadow-gold);
  transform: translateY(-4px);
}

.compliance-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold-subtle);
  border-radius: var(--radius-md);
  color: var(--gold-dark);
  flex-shrink: 0;
}
.compliance-icon svg { width: 26px; height: 26px; }

.compliance-card h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.3;
}
.compliance-card p {
  font-size: 0.9rem;
  color: var(--text-dark-secondary);
  line-height: 1.75;
}

/* ============================================================
   14. People
   ============================================================ */
.people {
  background: var(--bg-secondary);
  padding: var(--section-pad) 0;
}

.people-header {
  text-align: center;
  margin-bottom: 4rem;
}
.people-header .section-subtitle { margin: 0 auto; }

.people-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.person-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--dur-normal), transform var(--dur-normal), box-shadow var(--dur-normal);
}
.person-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.person-photo-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--bg-surface);
}
.person-photo-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform var(--dur-slow) var(--ease-spring);
  filter: grayscale(20%);
}
.person-card:hover .person-photo-wrapper img {
  transform: scale(1.06);
  filter: grayscale(0%);
}
.person-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,13,24,0.7) 0%, transparent 50%);
}

.person-info {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}
.person-info h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.person-role {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.person-bio {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.person-email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--steel-light);
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-dark);
  margin-top: auto;
  transition: color var(--dur-fast);
}
.person-email svg { width: 14px; height: 14px; }
.person-email:hover { color: var(--gold); }

/* ============================================================
   15. B360 CTA Banner
   ============================================================ */
.b360 {
  position: relative;
  overflow: hidden;
  padding: var(--section-pad) 0;
  isolation: isolate;
}

.b360-bg-image {
  position: absolute;
  inset: 0;
  background-image: url('../images/b360-diagnostic.png');
  background-size: cover;
  background-position: center;
  z-index: -2;
}

.b360-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(13, 13, 24, 0.96) 0%,
    rgba(0, 94, 184, 0.8) 50%,
    rgba(13, 13, 24, 0.92) 100%);
  z-index: -1;
}

.b360-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 5rem;
  align-items: center;
}

.b360-content h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  line-height: 1.15;
}
.b360-content p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 2rem;
  line-height: 1.75;
}

.b360-pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}
.b360-pillar {
  padding: 0.6rem 1.25rem;
  border: 1px solid var(--border-gold);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.05em;
  background: rgba(242, 169, 0, 0.06);
}

.b360-visual {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.b360-stat-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: border-color var(--dur-normal), background var(--dur-normal);
}
.b360-stat-card:hover {
  border-color: var(--border-gold);
  background: rgba(242, 169, 0, 0.06);
}

.b360-stat-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold-subtle);
  border-radius: var(--radius-sm);
  color: var(--gold);
  flex-shrink: 0;
}
.b360-stat-icon svg { width: 24px; height: 24px; }

.b360-stat-text h5 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}
.b360-stat-text p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

/* ============================================================
   16. Contact
   ============================================================ */
.contact {
  background: var(--bg-light);
  padding: var(--section-pad) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 6rem;
  align-items: start;
}

.contact-info .section-label { color: var(--gold-dark); }
.contact-info .section-label::before { background: var(--gold-dark); }
.contact-info h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}
.contact-info > p {
  color: var(--text-dark-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold-subtle);
  border-radius: var(--radius-sm);
  color: var(--gold-dark);
  flex-shrink: 0;
}
.contact-item-icon svg { width: 20px; height: 20px; }

.contact-item-content h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dark-muted);
  margin-bottom: 0.3rem;
}
.contact-item-content p {
  font-size: 0.95rem;
  color: var(--text-dark-secondary);
  line-height: 1.6;
}
.contact-item-content a {
  color: var(--brand-blue);
  font-weight: 600;
  transition: color var(--dur-fast);
}
.contact-item-content a:hover { color: var(--gold-dark); }

/* Documents */
.contact-docs h4 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dark-muted);
  margin-bottom: 0.875rem;
}

.contact-docs-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.contact-docs-list a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-dark-secondary);
  transition: all var(--dur-fast);
}
.contact-docs-list a svg { width: 16px; height: 16px; color: var(--gold-dark); flex-shrink: 0; }
.contact-docs-list a:hover {
  border-color: var(--gold-dark);
  color: var(--text-dark);
  transform: translateX(4px);
}

/* Form */
.contact-form-wrapper {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-md);
}
.contact-form-wrapper h3 {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}
.contact-form-sub {
  font-size: 0.9rem;
  color: var(--text-dark-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.form-group label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dark-muted);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1.1rem;
  background: var(--bg-light);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-dark);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  outline: none;
  appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dark-muted); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold-dark);
  box-shadow: 0 0 0 3px rgba(242, 169, 0, 0.15);
  background: var(--bg-white);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-body);
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%238a8aa0' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  background-size: 16px;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-fields {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-submit {
  width: 100%;
  padding: 1rem 2rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  transition: all var(--dur-normal) var(--ease-spring);
  margin-top: 0.5rem;
}
.form-submit svg {
  width: 18px;
  height: 18px;
  transition: transform var(--dur-fast);
}
.form-submit:hover {
  background: var(--gold);
  color: var(--bg-darkest);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(242, 169, 0, 0.35);
}
.form-submit:hover svg { transform: translateX(4px); }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 3rem;
  text-align: center;
}
.form-success.visible { display: flex; }
.form-success-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(45, 200, 100, 0.1);
  border-radius: 50%;
  color: #2dc864;
}
.form-success-icon svg { width: 32px; height: 32px; }
.form-success h4 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text-dark);
}
.form-success p {
  color: var(--text-dark-secondary);
  font-size: 0.95rem;
}

/* ============================================================
   17. Facility
   ============================================================ */
.facility {
  background: var(--bg-secondary);
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border-dark);
}

.facility-header {
  text-align: center;
  margin-bottom: 4rem;
}

.facility-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.facility-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: border-color var(--dur-normal), transform var(--dur-normal);
}
.facility-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-3px);
}

.facility-card-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-dark);
}
.facility-card-title svg { width: 20px; height: 20px; color: var(--gold); flex-shrink: 0; }

.facility-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}
.facility-card p:last-child { margin-bottom: 0; }
.facility-card em { font-style: normal; font-size: 0.78rem; color: var(--text-muted); }
.facility-card strong { color: var(--text-primary); }
.facility-card a {
  color: var(--steel-light);
  font-weight: 600;
  transition: color var(--dur-fast);
}
.facility-card a:hover { color: var(--gold); }

.facility-directions ol {
  padding-left: 1.25rem;
  list-style: decimal;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.facility-directions ol li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.facility-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-dark);
  height: 380px;
}
.facility-map iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  filter: grayscale(30%) invert(8%);
}

/* ============================================================
   18. Footer
   ============================================================ */
.footer {
  background: var(--bg-darkest);
  border-top: 1px solid var(--border-dark);
}

.footer-top {
  padding: 5rem 0 4rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 4rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}
.footer-logo img { height: 32px; }
.footer-logo-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 320px;
}

.footer-brand-certs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.footer-cert {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border-dark);
  border-radius: 100px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}
.footer-cert svg { width: 12px; height: 12px; color: var(--gold); }

.footer-links h4,
.footer-contact h4 {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  list-style: none;
}
.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--dur-fast), padding-left var(--dur-fast);
}
.footer-links a:hover { color: var(--gold); padding-left: 4px; }

.footer-contact p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  line-height: 1.6;
}
.footer-contact a {
  color: var(--steel-light);
  font-weight: 600;
  transition: color var(--dur-fast);
}
.footer-contact a:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding: 1.75rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-bottom-left { font-size: 0.82rem; color: var(--text-muted); }
.footer-bottom-right { font-size: 0.78rem; color: var(--text-muted); }

/* ============================================================
   19. Scroll Top
   ============================================================ */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  z-index: 100;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all var(--dur-normal) var(--ease-spring);
  box-shadow: var(--shadow-md);
}
.scroll-top svg { width: 20px; height: 20px; }
.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
.scroll-top:hover {
  background: var(--gold);
  color: var(--bg-darkest);
  border-color: var(--gold);
}

/* ============================================================
   20. Scroll Animations
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease-spring), transform 0.7s var(--ease-spring);
}
.fade-up.in-view { opacity: 1; transform: translateY(0); }
.fade-up.delay-1 { transition-delay: 100ms; }
.fade-up.delay-2 { transition-delay: 200ms; }
.fade-up.delay-3 { transition-delay: 300ms; }
.fade-up.delay-4 { transition-delay: 400ms; }
.fade-up.delay-5 { transition-delay: 500ms; }

.fade-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.7s var(--ease-spring), transform 0.7s var(--ease-spring);
}
.fade-left.in-view { opacity: 1; transform: translateX(0); }

.fade-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.7s var(--ease-spring), transform 0.7s var(--ease-spring);
}
.fade-right.in-view { opacity: 1; transform: translateX(0); }

/* Section divider */
.section-divider {
  height: 180px;
  overflow: hidden;
  background: var(--bg-secondary);
}
.section-divider img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

/* ============================================================
   21. Responsive
   ============================================================ */
@media (max-width: 1100px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-mobile { display: flex; }
  .nav-phone { display: none; }

  .industrial-cta .container { grid-template-columns: 1fr; gap: 3rem; }
  .b360-inner { grid-template-columns: 1fr; gap: 3rem; }

  .footer-top { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  :root { --section-pad: clamp(60px, 8vw, 100px); }

  .hero-stats { flex-wrap: wrap; }
  .hero-stat { min-width: 50%; }
  .hero-stat + .hero-stat::before { display: none; }

  .service-panel { grid-template-columns: 1fr; }
  .service-panel-image { min-height: 280px; }
  .service-panel-content { padding: 2rem; }

  .about-grid { grid-template-columns: 1fr; gap: 4rem; }
  .about-founder-img { display: none; }
  .about-badge { right: 1rem; bottom: 1rem; }

  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .compliance-grid { grid-template-columns: 1fr; }
  .people-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .facility-grid { grid-template-columns: 1fr 1fr; }
  .industrial-features { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  :root { --section-pad: 60px; --container-pad: 20px; }

  .hero-title { font-size: clamp(2.2rem, 8vw, 3.5rem); }
  .hero-scroll { display: none; }

  .services-tabs { gap: 0; }
  .service-tab { padding: 1rem; }
  .tab-number { display: none; }
  .service-features { grid-template-columns: 1fr; }

  .products-grid { grid-template-columns: 1fr 1fr; }
  .people-grid { grid-template-columns: 1fr; }
  .facility-grid { grid-template-columns: 1fr; }

  .footer-top { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .form-row { grid-template-columns: 1fr; }
  .about-milestones { flex-wrap: wrap; }
  .about-milestone { min-width: 50%; }
  .industrial-features { grid-template-columns: 1fr; }
  .contact-form-wrapper { padding: 2rem 1.5rem; }
  .b360-pillars { flex-direction: column; }

  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: fit-content; }
}

/* ===== V5 NEW FEATURES ===== */

/* --- Price Ticker --- */
.price-ticker{background:#0a0a12;border-bottom:1px solid rgba(242,169,0,0.15);padding:10px 0;overflow:hidden;position:relative;z-index:50;}
.ticker-track{display:flex;gap:24px;animation:tickerScroll 30s linear infinite;width:max-content;}
.ticker-item{display:flex;align-items:center;gap:8px;white-space:nowrap;}
.ticker-label{font-size:0.78rem;color:var(--gray-500);font-weight:600;text-transform:uppercase;letter-spacing:1px;}
.ticker-price{font-size:0.88rem;color:var(--white);font-weight:700;font-family:var(--font-display);}
.ticker-change{font-size:0.78rem;font-weight:700;padding:2px 8px;border-radius:4px;}
.ticker-change.up{color:#22c55e;background:rgba(34,197,94,0.1);}
.ticker-change.down{color:#ef4444;background:rgba(239,68,68,0.1);}
.ticker-sep{color:var(--gray-700);font-size:0.6rem;}
@keyframes tickerScroll{0%{transform:translateX(0);}100%{transform:translateX(-50%);}}

/* --- Guided Section --- */
.guided{background:var(--bg-section);padding:100px 0;}
.guided-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.guided-card{background:var(--bg-card);border:1px solid var(--gray-700);border-radius:var(--radius-lg);padding:32px;text-align:center;text-decoration:none;color:var(--gray-100);transition:var(--transition);display:block;}
.guided-card:hover{border-color:var(--accent);transform:translateY(-8px);box-shadow:0 12px 40px rgba(242,169,0,0.15);color:var(--white);}
.guided-icon{font-size:2.8rem;margin-bottom:16px;}
.guided-card h3{font-family:var(--font-display);font-size:1.2rem;color:var(--white);margin-bottom:10px;}
.guided-card p{font-size:0.88rem;color:var(--gray-300);line-height:1.7;margin-bottom:16px;}
.guided-link{font-size:0.85rem;color:var(--accent);font-weight:600;}
@media(max-width:900px){.guided-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:500px){.guided-grid{grid-template-columns:1fr;}}

/* --- Environmental Impact --- */
.impact{background:var(--bg-section);padding:100px 0;position:relative;}
.impact::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(34,197,94,0.05) 0%,transparent 60%);}
.impact .container{position:relative;z-index:1;}
.impact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.impact-card{background:rgba(26,26,46,0.8);backdrop-filter:blur(12px);border:1px solid rgba(34,197,94,0.2);border-radius:var(--radius-lg);padding:40px 24px;text-align:center;transition:var(--transition);}
.impact-card:hover{border-color:rgba(34,197,94,0.5);transform:translateY(-4px);}
.impact-number{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);font-weight:800;color:#22c55e;line-height:1;margin-bottom:8px;}
.impact-number small{font-size:0.6em;}
.impact-label{font-size:0.88rem;color:var(--gray-300);font-weight:500;}
@media(max-width:768px){.impact-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:500px){.impact-grid{grid-template-columns:1fr;}}

/* --- Scrap Calculator --- */
.calculator{background:var(--bg-dark);padding:100px 0;}
.calc-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.calc-card{background:var(--bg-card);border:1px solid var(--gray-700);border-radius:var(--radius-lg);padding:40px;}
.calc-card h3{font-family:var(--font-display);font-size:1.4rem;color:var(--white);margin-bottom:24px;}
.calc-field{margin-bottom:20px;}
.calc-field label{display:block;font-size:0.85rem;font-weight:600;color:var(--gray-300);margin-bottom:6px;}
.calc-field select,.calc-field input{width:100%;padding:12px 16px;background:var(--bg-dark);border:1px solid var(--gray-700);border-radius:var(--radius);color:var(--white);font-family:var(--font-body);font-size:0.95rem;}
.calc-field select:focus,.calc-field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim);}
.calc-input-row{display:flex;gap:12px;}
.calc-input-row input{flex:1;}
.calc-input-row select{flex:0 0 100px;}
.calc-btn{width:100%;padding:14px;background:var(--accent);color:var(--bg-dark);border:none;border-radius:var(--radius);font-family:var(--font-body);font-size:1rem;font-weight:700;cursor:pointer;transition:var(--transition);margin-bottom:16px;}
.calc-btn:hover{background:#ffbe2e;box-shadow:0 0 30px var(--accent-glow);}
.calc-result{background:rgba(242,169,0,0.08);border:1px solid rgba(242,169,0,0.2);border-radius:var(--radius);padding:20px;text-align:center;}
.calc-result-label{font-size:0.8rem;color:var(--gray-500);text-transform:uppercase;letter-spacing:1px;margin-bottom:4px;}
.calc-result-value{font-family:var(--font-display);font-size:2rem;font-weight:800;color:var(--accent);}
.calc-result-cta{display:inline-block;margin-top:12px;font-size:0.88rem;color:var(--accent);font-weight:600;}
@media(max-width:768px){.calc-wrapper{grid-template-columns:1fr;}}

/* --- Reviews --- */
.reviews{background:var(--bg-dark);padding:100px 0;}
.reviews-badge{display:inline-block;padding:8px 20px;background:rgba(250,204,21,0.1);border:1px solid rgba(250,204,21,0.2);border-radius:100px;font-size:0.9rem;font-weight:600;color:#facc15;margin-top:12px;}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.review-card{background:var(--bg-card);border:1px solid var(--gray-700);border-radius:var(--radius-lg);padding:32px;transition:var(--transition);}
.review-card:hover{border-color:var(--accent);transform:translateY(-4px);}
.review-stars{color:#facc15;font-size:1.1rem;margin-bottom:16px;letter-spacing:2px;}
.review-card p{font-size:0.95rem;color:var(--gray-100);line-height:1.7;margin-bottom:16px;font-style:italic;}
.review-author{font-size:0.85rem;color:var(--gray-500);}
.review-author strong{color:var(--gray-300);}
@media(max-width:768px){.reviews-grid{grid-template-columns:1fr;}}

/* --- Chatbot --- */
.chatbot-btn{position:fixed;bottom:32px;right:32px;width:56px;height:56px;background:var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:1001;box-shadow:0 4px 20px rgba(242,169,0,0.4);transition:var(--transition);}
.chatbot-btn:hover{transform:scale(1.1);box-shadow:0 6px 30px rgba(242,169,0,0.5);}
.chatbot-btn svg{width:24px;height:24px;color:var(--bg-dark);}
.chatbot-panel{position:fixed;bottom:100px;right:32px;width:380px;max-height:500px;background:var(--bg-card);border:1px solid var(--gray-700);border-radius:var(--radius-lg);display:none;flex-direction:column;z-index:1002;box-shadow:var(--shadow-lg);overflow:hidden;}
.chatbot-panel.open{display:flex;}
.chatbot-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--bg-dark);border-bottom:1px solid var(--gray-700);}
.chatbot-header-info{display:flex;align-items:center;gap:12px;}
.chatbot-avatar{width:36px;height:36px;background:var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;}
.chatbot-messages{flex:1;padding:16px;overflow-y:auto;max-height:280px;display:flex;flex-direction:column;gap:12px;}
.chat-msg{padding:10px 14px;border-radius:12px;font-size:0.9rem;line-height:1.6;max-width:85%;}
.chat-msg.bot{background:var(--bg-dark);color:var(--gray-100);align-self:flex-start;border-bottom-left-radius:4px;}
.chat-msg.user{background:var(--accent);color:var(--bg-dark);align-self:flex-end;border-bottom-right-radius:4px;font-weight:500;}
.chatbot-quick{padding:8px 16px;display:flex;gap:8px;flex-wrap:wrap;border-top:1px solid var(--gray-700);}
.chatbot-quick button{padding:6px 12px;background:var(--bg-dark);border:1px solid var(--gray-700);border-radius:100px;color:var(--gray-300);font-size:0.78rem;cursor:pointer;transition:var(--transition);font-family:var(--font-body);}
.chatbot-quick button:hover{border-color:var(--accent);color:var(--accent);}
.chatbot-input{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--gray-700);}
.chatbot-input input{flex:1;padding:10px 14px;background:var(--bg-dark);border:1px solid var(--gray-700);border-radius:var(--radius);color:var(--white);font-family:var(--font-body);font-size:0.9rem;}
.chatbot-input input:focus{outline:none;border-color:var(--accent);}
.chatbot-input button{width:40px;height:40px;background:var(--accent);border:none;border-radius:var(--radius);color:var(--bg-dark);font-size:1.1rem;font-weight:700;cursor:pointer;transition:var(--transition);}
.chatbot-input button:hover{background:#ffbe2e;}
@media(max-width:500px){.chatbot-panel{right:12px;left:12px;width:auto;bottom:90px;}}