/* ============================================
   EcoPro USA - Homepage Styles
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --color-navy:       #0a2540;
  --color-navy-deep:  #061a2e;
  --color-navy-mid:   #0d3a61;
  --color-navy-light: #1a4f7a;
  --color-accent:     #3b9cff;
  --color-accent-warm:#e8a838;
  --color-white:      #ffffff;
  --color-off-white:  #f4f6f8;
  --color-gray-100:   #e8ecf0;
  --color-gray-200:   #cdd4db;
  --color-gray-500:   #6b7b8d;
  --color-gray-700:   #3a4a5c;
  --color-gray-900:   #1a2332;
  --color-success:    #22c55e;
  --color-bg:         var(--color-white);
  --color-text:       var(--color-gray-900);
  --color-text-muted: var(--color-gray-500);

  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm:  0 1px 3px rgba(10,37,64,0.08);
  --shadow-md:  0 4px 16px rgba(10,37,64,0.10);
  --shadow-lg:  0 8px 32px rgba(10,37,64,0.12);
  --shadow-xl:  0 16px 48px rgba(10,37,64,0.16);

  --header-height: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ---------- Typography ---------- */
.section-eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-eyebrow.light {
  color: var(--color-accent-warm);
}

.section-title {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-navy);
  margin-bottom: var(--space-md);
}

.section-title.light {
  color: var(--color-white);
}

.section-sub {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section {
  padding: var(--space-4xl) 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.7rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}
.btn svg { width: 16px; height: 16px; }

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.85rem 2rem;
  font-size: 1rem;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: #2b8cef;
  border-color: #2b8cef;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59,156,255,0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--color-navy-mid);
  border-color: var(--color-navy-mid);
}
.btn-secondary:hover {
  background: var(--color-navy-mid);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

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

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(10, 37, 64, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(6, 26, 46, 0.97);
  box-shadow: var(--shadow-lg);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo img {
  height: 36px;
  width: auto;
}

.nav-list {
  display: flex;
  gap: var(--space-xl);
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  transition: color var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header-actions .btn-sm {
  display: none;
}

/* Mobile toggle */
.mobile-toggle {
  display: none;
  width: 32px;
  height: 32px;
  position: relative;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition);
  position: absolute;
  left: 5px;
}

.hamburger {
  top: 15px;
}
.hamburger::before {
  content: '';
  top: -7px;
}
.hamburger::after {
  content: '';
  top: 7px;
}

.mobile-toggle.open .hamburger {
  background: transparent;
}
.mobile-toggle.open .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}
.mobile-toggle.open .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-navy-deep);
}

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

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.5s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(6, 26, 46, 0.92) 0%,
    rgba(10, 37, 64, 0.80) 40%,
    rgba(13, 58, 97, 0.65) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-3xl);
}

.hero-text {
  max-width: 680px;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent-warm);
  margin-bottom: var(--space-md);
}

.hero-headline {
  font-family: var(--font-sans);
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.text-accent {
  color: var(--color-accent);
}

.hero-sub {
  font-size: 1.15rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.75);
  margin-bottom: var(--space-xl);
  max-width: 560px;
}

.hero-ctas {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
  flex-wrap: wrap;
}

.stat-chip {
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-xl);
  text-align: center;
  min-width: 150px;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* ---------- What We Do ---------- */
.what-we-do {
  background: var(--color-off-white);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.pillar-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition);
}

.pillar-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.pillar-icon {
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.pillar-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.pillar-text {
  font-size: 0.95rem;
  color: var(--color-gray-500);
  line-height: 1.7;
}

/* ---------- Why EcoPro ---------- */
.why-ecopro {
  position: relative;
  overflow: hidden;
}

.why-ecopro-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.why-ecopro-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(6, 26, 46, 0.94) 0%,
    rgba(10, 37, 64, 0.88) 100%
  );
}

.why-ecopro-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.why-description {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.badge-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm) var(--space-lg);
}

.badge-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255,255,255,0.85);
  font-size: 0.92rem;
  font-weight: 500;
  padding: var(--space-sm) 0;
}

.badge-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: rgba(34, 197, 94, 0.15);
  color: var(--color-success);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ---------- Products ---------- */
.products {
  background: var(--color-white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-100);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.product-img {
  background: var(--color-off-white);
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.product-img img {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: cover;
  transition: transform var(--transition);
}

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

.product-body {
  padding: var(--space-lg) var(--space-xl) var(--space-xl);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.product-desc {
  font-size: 0.9rem;
  color: var(--color-gray-500);
  line-height: 1.65;
  margin-bottom: var(--space-md);
}

.product-highlights {
  margin-bottom: var(--space-lg);
  flex: 1;
}

.product-highlights li {
  font-size: 0.82rem;
  color: var(--color-gray-700);
  padding: var(--space-xs) 0;
  padding-left: var(--space-md);
  position: relative;
  font-weight: 500;
}

.product-highlights li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ---------- Results / Testimonials ---------- */
.results {
  background: var(--color-off-white);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.result-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition);
}

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

.result-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.result-headline {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.25;
  margin-bottom: var(--space-md);
}

.result-detail {
  font-size: 0.92rem;
  color: var(--color-gray-500);
  line-height: 1.65;
  margin-bottom: var(--space-md);
}

.result-source {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-gray-700);
}

/* Testimonials slider */
.testimonials-slider {
  overflow: hidden;
  position: relative;
}

.testimonials-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
  flex: 0 0 100%;
  padding: var(--space-2xl) var(--space-3xl);
  text-align: center;
}

.testimonial-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-navy);
  margin-bottom: var(--space-xl);
  font-style: italic;
}

.testimonial-author strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-navy);
}

.testimonial-author span {
  font-size: 0.85rem;
  color: var(--color-gray-500);
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--color-gray-200);
  color: var(--color-navy);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.slider-btn:hover {
  background: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-white);
}

.slider-dots {
  display: flex;
  gap: var(--space-sm);
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gray-200);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.slider-dot.active {
  background: var(--color-accent);
  transform: scale(1.2);
}

/* ---------- Trusted By / Logo Marquee ---------- */
.trusted {
  background: var(--color-white);
  padding-bottom: var(--space-3xl);
}

.logo-marquee {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
  display: flex;
  gap: var(--space-3xl);
  animation: marquee 30s linear infinite;
  width: max-content;
}

.marquee-item {
  flex-shrink: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-gray-200);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  white-space: nowrap;
  padding: var(--space-lg) 0;
  user-select: none;
}

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

/* ---------- CTA Band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-mid) 100%);
  text-align: center;
}

.cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-headline {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.cta-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  max-width: 540px;
  margin-bottom: var(--space-xl);
}

.cta-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-navy-deep);
  color: rgba(255,255,255,0.7);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: var(--space-3xl);
  padding: var(--space-3xl) var(--space-lg);
}

.footer-logo {
  height: 32px;
  width: auto;
  margin-bottom: var(--space-md);
  opacity: 0.8;
}

.footer-tagline {
  font-size: 0.88rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.5);
  max-width: 280px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.footer-heading {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-md);
}

.footer-col ul li {
  margin-bottom: var(--space-sm);
}

.footer-col ul li a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--color-accent);
}

.footer-col ul li:last-child {
  font-size: 0.88rem;
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: var(--space-lg) 0;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

.footer-login {
  display: inline-block;
  padding: 0.4rem 1.1rem;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 6px;
  color: rgba(255,255,255,0.6);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  transition: border-color var(--transition), color var(--transition);
}
.footer-login:hover {
  border-color: var(--color-accent);
  color: #fff;
}

/* ---------- Reveal Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Stagger children */
.pillars-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.pillars-grid .reveal:nth-child(3) { transition-delay: 0.2s; }

.products-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.products-grid .reveal:nth-child(3) { transition-delay: 0.15s; }
.products-grid .reveal:nth-child(4) { transition-delay: 0.2s; }
.products-grid .reveal:nth-child(5) { transition-delay: 0.25s; }
.products-grid .reveal:nth-child(6) { transition-delay: 0.3s; }

.results-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.results-grid .reveal:nth-child(3) { transition-delay: 0.2s; }

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero-slide {
    transition: none;
  }

  .marquee-track {
    animation: none;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .pillars-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .why-ecopro-inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .badge-list {
    grid-template-columns: 1fr 1fr;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .results-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  /* Header mobile */
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    background: rgba(6, 26, 46, 0.98);
    backdrop-filter: blur(16px);
    padding: var(--space-xl) var(--space-lg);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-list {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .nav-link {
    font-size: 1.1rem;
  }

  .mobile-toggle {
    display: block;
  }

  .header-actions .btn-sm {
    display: none;
  }

  /* Hero */
  .hero-stats {
    gap: var(--space-md);
  }

  .stat-chip {
    padding: var(--space-md) var(--space-lg);
    min-width: 120px;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  /* Products */
  .products-grid {
    grid-template-columns: 1fr;
  }

  .product-img {
    min-height: 180px;
  }

  /* Testimonials */
  .testimonial-card {
    padding: var(--space-xl) var(--space-lg);
  }

  /* Why EcoPro */
  .badge-list {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom-inner {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-ctas {
    flex-direction: column;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  .hero-stats {
    flex-direction: column;
    align-items: stretch;
  }

  .stat-chip {
    min-width: unset;
  }

  .cta-actions {
    flex-direction: column;
    width: 100%;
  }

  .cta-actions .btn {
    width: 100%;
  }
}

/* ---------- Page Hero (subpages) ---------- */
.page-hero {
  position: relative;
  min-height: 400px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-navy-deep);
  padding-top: var(--header-height);
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(6,26,46,0.92) 0%, rgba(10,37,64,0.80) 40%, rgba(13,58,97,0.65) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 1;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  max-width: 680px;
}

.page-hero-title {
  font-family: var(--font-sans);
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.page-hero-sub {
  font-size: 1.1rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.7);
}

/* ---------- About Page ---------- */
.about-split {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.about-paragraph {
  font-size: 1.05rem;
  color: var(--color-gray-500);
  line-height: 1.75;
  margin-bottom: var(--space-lg);
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.about-stat-card {
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition);
}

.about-stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.about-stat-number {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.about-stat-label {
  font-size: 0.82rem;
  color: var(--color-gray-500);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.value-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition);
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.value-icon {
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.value-icon-usa img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 6px;
}

.value-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.value-text {
  font-size: 0.92rem;
  color: var(--color-gray-500);
  line-height: 1.7;
}

/* ---------- Products Page (detail) ---------- */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
  align-items: center;
}

.product-detail-grid.reverse {
  grid-template-columns: 1.2fr 1fr;
  direction: rtl;
}

.product-detail-grid.reverse > * {
  direction: ltr;
}

.product-detail-img {
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-detail-img img {
  max-height: 320px;
  object-fit: contain;
}

.product-img-placeholder {
  width: 100%;
  min-height: 240px;
  background: linear-gradient(135deg, var(--color-navy-mid), var(--color-navy));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
  padding: var(--space-xl);
  letter-spacing: 0.02em;
}

.product-interest-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm) var(--space-xl);
  margin-bottom: var(--space-lg);
}

.product-interest-grid label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.95rem;
  color: var(--color-gray-700);
  cursor: pointer;
}

.product-interest-grid input[type="checkbox"] {
  accent-color: var(--color-accent);
  width: 16px;
  height: 16px;
}

.product-detail-desc {
  font-size: 1.02rem;
  color: var(--color-gray-500);
  line-height: 1.75;
  margin-bottom: var(--space-md);
}

.product-specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.spec-item {
  text-align: center;
  padding: var(--space-md);
  background: var(--color-off-white);
  border-radius: var(--radius-md);
}

.spec-value {
  display: block;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.2;
  margin-bottom: 2px;
}

.spec-label {
  font-size: 0.72rem;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.product-feature-list {
  margin: var(--space-lg) 0 var(--space-xl);
  display: grid;
  gap: var(--space-sm);
}

.product-feature-list li {
  font-size: 0.92rem;
  color: var(--color-gray-700);
  padding-left: var(--space-lg);
  position: relative;
  font-weight: 500;
}

.product-feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
}

.product-divider {
  height: 1px;
  background: var(--color-gray-100);
  max-width: 1200px;
  margin: 0 auto;
}

/* ---------- Results Page ---------- */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.case-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition);
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.case-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.case-stat {
  margin-bottom: var(--space-lg);
}

.case-stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-navy);
  line-height: 1;
}

.case-stat-label {
  font-size: 0.85rem;
  color: var(--color-gray-500);
  font-weight: 500;
}

.case-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.case-desc {
  font-size: 0.9rem;
  color: var(--color-gray-500);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.case-meta {
  display: flex;
  gap: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-gray-100);
}

.case-location,
.case-product {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-gray-700);
}

/* Impact Grid */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.impact-card {
  text-align: center;
  padding: var(--space-xl);
}

.impact-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.impact-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.impact-desc {
  font-size: 0.85rem;
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* Testimonials Grid (results page) */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.testimonial-block {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition);
}

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

.testimonial-quote-icon {
  font-size: 3rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.3;
  font-family: var(--font-serif);
  margin-bottom: var(--space-sm);
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--color-gray-700);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: var(--space-lg);
}

.testimonial-attribution strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-navy);
}

.testimonial-attribution span {
  font-size: 0.82rem;
  color: var(--color-gray-500);
}

/* ---------- Contact Page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-form-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.contact-form-sub {
  font-size: 0.95rem;
  color: var(--color-gray-500);
  margin-bottom: var(--space-xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-xs);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-off-white);
  border: 2px solid var(--color-gray-100);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-white);
  box-shadow: 0 0 0 4px rgba(59,156,255,0.1);
}

.form-input::placeholder {
  color: var(--color-gray-200);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236b7b8d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  width: 100%;
  margin-top: var(--space-sm);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-info-card {
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-gray-100);
}

.contact-info-icon {
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.contact-info-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-xs);
}

.contact-info-link {
  font-size: 0.95rem;
  color: var(--color-accent);
  font-weight: 600;
  transition: color var(--transition);
}

.contact-info-link:hover {
  color: #2b8cef;
}

.contact-info-detail {
  font-size: 0.88rem;
  color: var(--color-gray-500);
  line-height: 1.6;
  margin-top: var(--space-xs);
}

.contact-info-depts {
  list-style: none;
  padding: 0;
  margin: var(--space-sm) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.contact-info-depts li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-info-dept-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-gray-500);
}

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-gray-100);
}

/* ---------- Contact by Department section ---------- */
.contact-depts-section {
  background: linear-gradient(180deg, #eaf4fb 0%, #d9ecf8 100%);
}

.contact-depts-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-2xl);
}

.contact-depts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.contact-dept-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid rgba(10, 77, 140, 0.08);
  box-shadow: 0 2px 8px rgba(10, 77, 140, 0.06);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.contact-dept-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(10, 77, 140, 0.12);
}

.contact-dept-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: #eaf4fb;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.contact-dept-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-xs);
}

.contact-dept-desc {
  font-size: 0.88rem;
  color: var(--color-gray-500);
  line-height: 1.55;
  margin-bottom: var(--space-md);
  flex: 1;
}

.contact-dept-link {
  font-size: 0.92rem;
  color: var(--color-accent);
  font-weight: 600;
  word-break: break-word;
  transition: color var(--transition);
}

.contact-dept-link:hover {
  color: #2b8cef;
}

@media (max-width: 1024px) {
  .contact-depts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .contact-depts-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Subpage responsive ---------- */
@media (max-width: 1024px) {
  .about-split {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-detail-grid,
  .product-detail-grid.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .product-specs {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-studies-grid {
    grid-template-columns: 1fr;
  }

  .impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .page-hero {
    min-height: 300px;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
  }

  .impact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ---------- Founder Section (About Page) ---------- */
.founder-section {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.founder-portrait {
  position: sticky;
  top: calc(var(--header-height) + var(--space-xl));
}

.founder-portrait-placeholder {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: linear-gradient(135deg, var(--color-off-white) 0%, var(--color-gray-100) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-200);
  border: 1px solid var(--color-gray-100);
}

.founder-message .section-title {
  text-align: left;
}

/* ---------- Product Tabs ---------- */
.product-tabs {
  margin-top: var(--space-md);
}

.tab-nav {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-gray-100);
  margin-bottom: var(--space-xl);
}

.tab-btn {
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-gray-500);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--color-navy);
}

.tab-btn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: tabFadeIn 0.3s ease;
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Tech Corner ---------- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.tech-card-link {
  text-decoration: none;
  color: inherit;
  display: flex;
}

.tech-card-link .tech-card {
  width: 100%;
  cursor: pointer;
}

.tech-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.tech-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.tech-card-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  background: rgba(59, 156, 255, 0.08);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  align-self: flex-start;
}

.tech-card-badge--service {
  color: var(--color-success);
  background: rgba(34, 197, 94, 0.08);
}

.tech-card-icon {
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.tech-card-icon--service {
  color: var(--color-success);
}

.tech-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
  line-height: 1.35;
}

.tech-card-desc {
  font-size: 0.9rem;
  color: var(--color-gray-500);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  flex: 1;
}

.tech-card-meta {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.tech-card-tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-gray-500);
  background: var(--color-off-white);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}

/* Tech Corner & Founder responsive */
@media (max-width: 1024px) {
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .founder-section {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .founder-portrait {
    position: static;
    max-width: 240px;
    margin: 0 auto;
  }

  .founder-message .section-title {
    text-align: center;
  }

  .founder-message .section-eyebrow {
    text-align: center;
  }
}

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

  .tab-nav {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .tab-btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.82rem;
  }
}

/* ---------- Desktop enhancements ---------- */
@media (min-width: 1025px) {
  .header-actions .btn-sm {
    display: inline-flex;
  }

  /* 6 cards = clean 3x2 grid, no special centering needed */
}

/* ============================================
   Products Mega-Dropdown
   ============================================ */

.nav-has-dropdown {
  position: relative;
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding-top: 12px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  z-index: 1100;
  width: max-content;
}

.nav-has-dropdown:hover .nav-dropdown,
.nav-has-dropdown:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-dropdown-inner {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(10,37,64,0.18), 0 2px 8px rgba(10,37,64,0.08);
  padding: var(--space-xl) var(--space-2xl);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg) var(--space-xl);
  width: 820px;
  border-top: 3px solid var(--color-accent);
}

.nav-dropdown-col {
  min-width: 0;
}

.nav-dropdown-heading {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-navy);
  text-decoration: none;
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-gray-100);
  transition: color var(--transition);
}

.nav-dropdown-heading:hover {
  color: var(--color-accent);
}

.nav-dropdown-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-dropdown-list li {
  margin: 0;
}

.nav-dropdown-list a {
  display: block;
  font-size: 0.82rem;
  color: var(--color-gray-600);
  text-decoration: none;
  padding: 4px 0;
  transition: color var(--transition), padding-left var(--transition);
}

.nav-dropdown-list a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

@media (max-width: 1024px) {
  .nav-has-dropdown > .nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
  }
  .nav-has-dropdown > .nav-link::after {
    content: "";
    display: inline-block;
    position: static;
    background: transparent;
    bottom: auto;
    left: auto;
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin-left: 8px;
    margin-bottom: 3px;
    transition: transform 0.2s ease;
  }
  .nav-has-dropdown.open > .nav-link::after {
    transform: rotate(-135deg);
    margin-bottom: 0;
    margin-top: 3px;
  }
  .nav-dropdown {
    position: static;
    transform: none;
    padding-top: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.2s ease;
    width: 100%;
  }
  .nav-has-dropdown.open .nav-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    max-height: 2000px;
    margin-top: var(--space-sm);
  }
  /* Disable hover-trigger on touch devices so it only opens via tap */
  .nav-has-dropdown:hover .nav-dropdown,
  .nav-has-dropdown:focus-within .nav-dropdown {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }
  .nav-has-dropdown.open:hover .nav-dropdown,
  .nav-has-dropdown.open:focus-within .nav-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav-dropdown-inner {
    grid-template-columns: 1fr;
    width: 100%;
    box-shadow: none;
    border-top: none;
    border-radius: var(--radius-md, 10px);
    padding: var(--space-md);
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    gap: var(--space-md);
  }
  .nav-dropdown-heading {
    color: #fff;
    border-bottom-color: rgba(255,255,255,0.15);
    font-size: 0.95rem;
  }
  .nav-dropdown-heading:hover {
    color: var(--color-accent);
  }
  .nav-dropdown-list a {
    color: rgba(255,255,255,0.78);
    font-size: 0.9rem;
    padding: 6px 0;
  }
  .nav-dropdown-list a:hover {
    color: var(--color-accent);
    padding-left: 4px;
  }
}

/* ============================================
   Product Sidebar
   ============================================ */

.product-page-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.product-sidebar {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
  border: 1px solid var(--color-gray-100);
}

.sidebar-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-accent);
}

.sidebar-group {
  margin-bottom: var(--space-md);
}

.sidebar-group:last-child {
  margin-bottom: 0;
}

.sidebar-group-heading {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-navy);
  text-decoration: none;
  padding: 6px 0;
  transition: color var(--transition);
}

.sidebar-group-heading:hover,
.sidebar-group-heading.active {
  color: var(--color-accent);
}

.sidebar-sublist {
  list-style: none;
  padding: 0 0 0 var(--space-md);
  margin: 0;
}

.sidebar-sublist a {
  display: block;
  font-size: 0.82rem;
  color: var(--color-gray-600);
  text-decoration: none;
  padding: 4px 0;
  transition: color var(--transition);
}

.sidebar-sublist a:hover,
.sidebar-sublist a.active {
  color: var(--color-accent);
  font-weight: 600;
}

.sidebar-divider {
  border: none;
  border-top: 1px solid var(--color-gray-100);
  margin: var(--space-sm) 0;
}

@media (max-width: 900px) {
  .product-page-layout {
    grid-template-columns: 1fr;
  }
  .product-sidebar {
    position: static;
    display: none;
  }
}

/* ============================================
   Product Listing Grid
   ============================================ */

.product-listing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.product-listing-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
  border: 1px solid var(--color-gray-100);
}

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

.product-listing-card-img {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #ffffff;
}

.product-listing-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6px;
}

.product-listing-card-body {
  padding: var(--space-lg);
}

.product-listing-card-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-xs);
}

.product-listing-card-body p {
  font-size: 0.85rem;
  color: var(--color-gray-600);
  line-height: 1.55;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-listing-card-body .btn {
  font-size: 0.85rem;
}

.product-count {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

/* ============================================
   Product Detail Page Styles
   ============================================ */

.product-breadcrumb {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}
.product-breadcrumb a {
  color: var(--color-accent);
  text-decoration: none;
}
.product-breadcrumb a:hover {
  text-decoration: underline;
}
.breadcrumb-sep {
  margin: 0 0.4em;
  color: var(--color-gray-300);
}

.product-sku {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.product-short-desc {
  font-size: 1rem;
  color: var(--color-gray-700);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.product-tags {
  margin-bottom: var(--space-lg);
}
.product-tags-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}
.product-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.product-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(59,156,255,0.1);
  color: var(--color-accent);
  letter-spacing: 0.02em;
}

.product-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

/* ---------- New Product Detail Layout ---------- */
.product-main-col {
  min-width: 0;
}
.product-hero {
  margin-bottom: var(--space-2xl);
}
.product-hero-img {
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
}
.product-hero-img img {
  max-width: 100%;
  max-height: 520px;
  width: auto;
  height: auto;
  object-fit: contain;
}
.product-header {
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-gray-100);
}
.product-title {
  font-size: 2.4rem;
  line-height: 1.15;
  color: var(--color-navy);
  margin: var(--space-xs) 0 var(--space-md);
  font-weight: 700;
}
.product-short-desc {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--color-gray-700);
  margin-bottom: var(--space-lg);
  max-width: 720px;
}
.related-products {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-gray-100);
}
@media (max-width: 768px) {
  .product-hero-img {
    min-height: 260px;
    padding: var(--space-lg);
  }
  .product-hero-img img {
    max-height: 320px;
  }
  .product-title {
    font-size: 1.75rem;
  }
}

.product-gallery {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  flex-wrap: wrap;
}
.gallery-thumb {
  width: 72px;
  height: 72px;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  background: none;
  transition: border-color var(--transition);
}
.gallery-thumb:hover,
.gallery-thumb.active {
  border-color: var(--color-accent);
}
.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 768px) {
  .product-actions {
    flex-direction: column;
  }
  .product-actions .btn {
    text-align: center;
    justify-content: center;
  }
}

/* ---------- Form Messages ---------- */
.form-message {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
  line-height: 1.5;
}
.form-message-success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}
.form-message-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Where-to-Buy page CSS lives inline in build/build.js (wtbExtraCss) */

/* Machine Kits selector (parent product pages) */
.machine-kits-block {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border, #e5e7eb);
}
.machine-kits-heading {
  font-size: 1.5rem;
  margin: 0.25rem 0 0.25rem;
  color: var(--color-text);
}
.machine-kits-sub {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}
.machine-kits-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
}
@media (max-width: 980px) {
  .machine-kits-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .machine-kits-grid { grid-template-columns: 1fr; }
}
.machine-kit-tile {
  position: relative;
  display: block;
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  color: #fff;
  aspect-ratio: 4 / 3;
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
  border: 1px solid rgba(0,0,0,0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.machine-kit-tile:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0,0,0,0.18);
}
.machine-kit-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}
.machine-kit-tile:hover .machine-kit-img { transform: scale(1.06); }
.machine-kit-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.05) 40%, rgba(0,0,0,0.75) 100%);
}
.machine-kit-label {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0.9rem;
  z-index: 2;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 6px rgba(0,0,0,0.4);
}

/* Parent product overview (info-only) */
.coming-soon-block {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
}
.coming-soon-block .section-sub {
  max-width: 32rem;
  margin: 0 auto var(--space-lg);
}

.parent-overview {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  margin-bottom: var(--space-xl);
}
@media (max-width: 880px) {
  .parent-overview { grid-template-columns: 1fr; }
}
.parent-overview-img img {
  width: 100%;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  object-fit: cover;
  aspect-ratio: 4 / 3;
}
.parent-overview-desc {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--color-text);
  margin: 0.5rem 0 var(--space-md);
}
.parent-overview-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* Parent product long-form overview */
.parent-overview-long {
  max-width: 880px;
  margin: 0 0 var(--space-xl);
  color: var(--color-text);
  font-size: 1.02rem;
  line-height: 1.7;
}
.parent-overview-long p { margin: 0 0 1rem; }
.parent-overview-long .overview-subhead {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 1.75rem 0 0.6rem;
  color: var(--color-text);
}
.parent-overview-long .overview-list {
  margin: 0 0 1rem 1.1rem;
  padding: 0;
}
.parent-overview-long .overview-list li {
  margin-bottom: 0.5rem;
}
.parent-overview-long strong { color: var(--color-text); }

/* Kits grouped by machine type */
.machine-group {
  margin-top: var(--space-xl);
  scroll-margin-top: 96px;
}
.machine-group-heading {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 var(--space-md);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border, #e5e7eb);
}
.sub-intro {
  background: #f9fafb;
  border-left: 4px solid var(--color-primary, #0066cc);
  padding: var(--space-md) var(--space-lg);
  border-radius: 8px;
  margin-bottom: var(--space-xl);
}
.sub-intro p { margin: 0 0 var(--space-sm); line-height: 1.65; }
.sub-intro p:last-child { margin-bottom: 0; }
.sub-intro .overview-subhead {
  font-size: 1rem;
  font-weight: 700;
  margin: var(--space-md) 0 var(--space-xs);
  color: var(--color-text);
}
.sub-intro .overview-list { margin: 0 0 var(--space-sm) 1.25rem; padding: 0; }
.sub-intro .overview-list li { margin-bottom: 0.35rem; line-height: 1.55; }
.made-to-order-note {
  font-size: 0.9rem;
  color: var(--color-text-muted, #6b7280);
  font-style: italic;
  margin: -0.25rem 0 var(--space-md);
}

.product-detail-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  margin: 0.35rem 0.5rem 0.35rem 0;
  background: var(--color-navy, #0a2540);
  color: #fff;
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  border-radius: 6px;
  transition: background 0.2s, transform 0.15s;
}
.product-detail-link:hover {
  background: var(--color-primary, #0066cc);
  transform: translateY(-1px);
  color: #fff;
}
.product-detail-link::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpath d='M14 2H6a2 2 0 00-2 2v16a2 2 0 002 2h12a2 2 0 002-2V8z'/%3E%3Cpath d='M14 2v6h6'/%3E%3Cline x1='16' y1='13' x2='8' y2='13'/%3E%3Cline x1='16' y1='17' x2='8' y2='17'/%3E%3C/svg%3E") no-repeat center/contain;
}

/* Product line feature cards on products homepage */
.product-lines-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg, 1.5rem);
  margin-bottom: var(--space-3xl, 3rem);
}
.product-line-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 220px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.product-line-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.2);
}
.product-line-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.product-line-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,37,64,0.85) 0%, rgba(10,37,64,0.3) 50%, transparent 100%);
  z-index: 1;
}
.product-line-card-body {
  position: relative;
  z-index: 2;
  padding: 1.25rem 1.5rem;
}
.product-line-card-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  color: #fff;
}
.product-line-card-body p {
  font-size: 0.82rem;
  opacity: 0.85;
  margin: 0;
  line-height: 1.4;
}

/* YouTube video embed in product tabs */
.product-video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 8px;
  margin: 0.75rem 0;
  max-width: 560px;
}
.product-video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 8px;
}
.product-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}
.product-video-grid .product-video-embed {
  max-width: none;
}

/* ============================================
   Where To Buy Page - compact, all options above the fold
   ============================================ */
.wtb-hero {
  padding: 2.5rem 0 1.5rem;
  background: linear-gradient(135deg, var(--color-navy) 0%, #1a3a5c 100%);
  color: #fff;
  text-align: center;
}
.wtb-hero .section-eyebrow { color: rgba(255,255,255,0.7); margin-bottom: 0.5rem; }
.wtb-hero-title { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; margin: 0 0 0.5rem; line-height: 1.15; }
.wtb-hero-sub { font-size: 1rem; opacity: 0.85; margin: 0; }

.wtb-channels { padding: 2.75rem 0 2.25rem; background: linear-gradient(180deg, #fafbfc 0%, #f1f5f9 100%); }
.wtb-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}
.wtb-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 1.4rem 1.15rem 1.15rem;
  text-decoration: none;
  color: inherit;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  min-height: 0;
  overflow: hidden;
  --wtb-accent: var(--color-navy);
  --wtb-accent-soft: #eef2f7;
}
/* Colored top stripe per card */
.wtb-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--wtb-accent);
}
.wtb-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(10,37,64,0.10);
  border-color: var(--wtb-accent);
}
.wtb-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-navy);
  margin: 0.7rem 0 0.45rem;
  line-height: 1.2;
}
.wtb-card p {
  font-size: 0.85rem;
  color: var(--color-gray-700, #3a4a5c);
  margin: 0 0 1rem;
  line-height: 1.4;
  flex: 1;
}
.wtb-card-head { display: flex; align-items: center; justify-content: space-between; min-height: 40px; gap: 0.5rem; }
.wtb-icon {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--wtb-accent-soft);
  color: var(--wtb-accent);
  border-radius: 10px;
  transition: background .18s ease, color .18s ease;
}
.wtb-icon svg { width: 20px; height: 20px; }
.wtb-card:hover .wtb-icon { background: var(--wtb-accent); color: #fff; }
.wtb-tag {
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 7px;
  border-radius: 4px;
  background: #dcfce7;
  color: #166534;
  white-space: nowrap;
}
.wtb-tag-muted { background: var(--wtb-accent-soft); color: var(--wtb-accent); }
.wtb-cta {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--wtb-accent);
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Per-card accent colors */
.wtb-card-primary { --wtb-accent: #0a2540; --wtb-accent-soft: rgba(255,255,255,0.15); }
.wtb-card-fleet   { --wtb-accent: #2563eb; --wtb-accent-soft: #dbeafe; }
.wtb-card-cat     { --wtb-accent: #d97706; --wtb-accent-soft: #fef3c7; }
.wtb-card-oem     { --wtb-accent: #15803d; --wtb-accent-soft: #dcfce7; }
.wtb-card-help    { --wtb-accent: #7c3aed; --wtb-accent-soft: #ede9fe; }

/* Featured card emphasis (navy fill) */
.wtb-card-primary {
  background: linear-gradient(135deg, #0a2540 0%, #1a3a5c 100%);
  color: #fff;
  border-color: #0a2540;
}
.wtb-card-primary::before { background: var(--color-accent-warm, #e8a838); }
.wtb-card-primary h3 { color: #fff; }
.wtb-card-primary p { color: rgba(255,255,255,0.85); }
.wtb-card-primary .wtb-icon { background: rgba(255,255,255,0.12); color: #fff; }
.wtb-card-primary:hover .wtb-icon { background: var(--color-accent-warm, #e8a838); color: #0a2540; }
.wtb-card-primary .wtb-cta { color: #fff; }
.wtb-card-primary:hover { border-color: var(--color-accent-warm, #e8a838); }

/* How It Works compact strip */
.wtb-how { padding: 1.5rem 0 2rem; }
.wtb-how-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.wtb-step { display: flex; gap: 0.85rem; align-items: flex-start; }
.wtb-step-num {
  flex: 0 0 32px; width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--color-navy); color: #fff;
  font-weight: 800; font-size: 0.9rem;
}
.wtb-step h4 { font-size: 0.95rem; font-weight: 700; margin: 2px 0 0.2rem; color: var(--color-navy); }
.wtb-step p { font-size: 0.82rem; color: var(--color-gray-600, #4b5563); margin: 0; line-height: 1.35; }

/* Responsive: collapse to 2 columns on tablets, 1 on phones */
@media (max-width: 1024px) {
  .wtb-grid { grid-template-columns: repeat(3, 1fr); }
  .wtb-how-row { grid-template-columns: 1fr; gap: 1rem; }
}
@media (max-width: 700px) {
  .wtb-grid { grid-template-columns: repeat(2, 1fr); }
  .wtb-hero { padding: 2rem 0 1.25rem; }
}
@media (max-width: 480px) {
  .wtb-grid { grid-template-columns: 1fr; }
}