/* ============================================
   SAVING Industry - Global Stylesheet
   Modern, responsive, SEO-optimized design
   ============================================ */

:root {
  --color-primary: #1a3a52;
  --color-primary-dark: #0f2a3d;
  --color-primary-light: #2a5a7a;
  --color-accent: #c89b5b;
  --color-accent-dark: #a87e3f;
  --color-text: #2a2a2a;
  --color-text-light: #6a6a6a;
  --color-bg: #ffffff;
  --color-bg-soft: #f7f5f2;
  --color-bg-card: #fafafa;
  --color-border: #e5e5e5;
  --color-success: #2d8659;
  --color-whatsapp: #25d366;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container: 1280px;
  --header-h: 80px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Playfair Display", Georgia, "Times New Roman", serif;
}

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

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

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

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent);
}

ul, ol {
  list-style: none;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 20px;
  color: var(--color-primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 22px;
  font-weight: 800;
}

.logo-img {
  height: 44px;
  width: auto;
  display: block;
  transition: opacity 0.2s ease;
}
.logo-img:hover { opacity: 0.85; }

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-name {
  font-size: 18px;
  letter-spacing: 0.5px;
  color: var(--color-primary);
}

.logo-tag {
  font-size: 10px;
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

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

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  font-size: 15px;
  position: relative;
  padding: 8px 0;
}

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

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
}

.nav-cta {
  background: var(--color-primary);
  color: white;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  transition: all var(--transition);
}

.nav-cta:hover {
  background: var(--color-primary-dark);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.menu-toggle {
  display: none;
  width: 32px;
  height: 32px;
  position: relative;
}

.menu-toggle span {
  position: absolute;
  left: 4px;
  right: 4px;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition);
}

.menu-toggle span:nth-child(1) { top: 9px; }
.menu-toggle span:nth-child(2) { top: 15px; }
.menu-toggle span:nth-child(3) { top: 21px; }

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg);
  top: 15px;
}
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg);
  top: 15px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #f7f5f2 0%, #ebe7e0 100%);
  overflow: hidden;
  padding: 60px 0;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(200,155,91,0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(26,58,82,0.08);
  color: var(--color-primary);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}

.hero-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.15;
  color: var(--color-primary-dark);
  margin-bottom: 24px;
  font-weight: 700;
  letter-spacing: -1px;
}

.hero h1 span {
  color: var(--color-accent);
  font-style: italic;
}

.hero-desc {
  font-size: 18px;
  color: var(--color-text-light);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-accent:hover {
  background: var(--color-accent-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: white;
}

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

.btn-whatsapp:hover {
  background: #1ebd56;
  color: white;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid rgba(26,58,82,0.1);
}

.stat-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 12px;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 520px;
  margin-left: auto;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-badge {
  position: absolute;
  background: white;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-badge-1 {
  top: 20px;
  left: -30px;
  animation: float 3s ease-in-out infinite;
}

.hero-badge-2 {
  bottom: 30px;
  right: -20px;
  animation: float 3s ease-in-out infinite 1.5s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
}

.badge-text {
  display: flex;
  flex-direction: column;
}

.badge-text strong {
  font-size: 15px;
  color: var(--color-primary);
}

.badge-text span {
  font-size: 12px;
  color: var(--color-text-light);
}

/* ============================================
   SECTIONS
   ============================================ */
section {
  padding: 80px 0;
}

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

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

.section-head {
  text-align: center;
  margin-bottom: 56px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-block;
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.2;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
  font-weight: 700;
}

.section-dark .section-title { color: white; }
.section-dark .section-desc { color: rgba(255,255,255,0.8); }

.section-desc {
  font-size: 17px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================
   PRODUCT GRID
   ============================================ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.product-card {
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

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

.product-img-wrap {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--color-bg-soft);
  position: relative;
}

.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.06);
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-accent);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.product-info {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-cat {
  font-size: 11px;
  color: var(--color-accent-dark);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.product-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
  line-height: 1.3;
}

.product-desc {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.5;
  flex: 1;
  margin-bottom: 12px;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.product-moq {
  font-size: 12px;
  color: var(--color-text-light);
}

.product-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.product-link::after {
  content: "→";
  transition: transform var(--transition);
}

.product-link:hover::after {
  transform: translateX(4px);
}

/* ============================================
   CATEGORIES
   ============================================ */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.cat-card {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

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

.cat-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.cat-card:hover img { transform: scale(1.08); }

.cat-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,0.75) 100%);
  z-index: 1;
}

.cat-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  color: white;
  z-index: 2;
}

.cat-name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.cat-count {
  font-size: 13px;
  opacity: 0.85;
}

/* ============================================
   FEATURES (Why Choose Us)
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.feature-card {
  background: white;
  padding: 32px 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  text-align: left;
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  margin-bottom: 20px;
}

.feature-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ============================================
   SCENARIOS / APPLICATIONS
   ============================================ */
.scenarios-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 16px;
  height: 540px;
}

.scenario-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.scenario-card.tall { grid-row: span 2; }
.scenario-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.scenario-card::after {
  content: attr(data-label);
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.7));
  color: white;
  font-weight: 600;
  font-size: 15px;
}

/* ============================================
   ABOUT / PROCESS
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-img {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-md);
}

.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-img-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: var(--color-accent);
  color: white;
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.2;
}

.about-img-badge span {
  display: block;
  font-size: 12px;
  font-weight: 500;
  opacity: 0.9;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.about-content h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 38px);
  color: var(--color-primary-dark);
  line-height: 1.2;
  margin-bottom: 20px;
  font-weight: 700;
}

.about-content p {
  color: var(--color-text-light);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.about-list {
  margin: 24px 0;
}

.about-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 0;
  font-size: 15px;
  color: var(--color-text);
}

.about-list li::before {
  content: "✓";
  color: var(--color-accent);
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: rgba(200,155,91,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

/* ============================================
   FACTORY GALLERY
   ============================================ */
.factory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 200px 200px;
  gap: 12px;
}

.factory-grid .factory-item {
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.factory-grid .factory-item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
.factory-grid .factory-item:nth-child(6) { grid-column: span 2; }

.factory-grid .factory-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.factory-grid .factory-item:hover img { transform: scale(1.06); }

/* ============================================
   CERTIFICATES
   ============================================ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.cert-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  text-align: center;
  border: 1px solid var(--color-border);
}

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

.cert-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: contain;
  margin-bottom: 12px;
}

.cert-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary-dark);
}

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-info-card {
  background: white;
  padding: 40px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.contact-info-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--color-primary-dark);
  margin-bottom: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(26,58,82,0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.contact-item-content h4 {
  font-size: 14px;
  color: var(--color-text-light);
  font-weight: 500;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-item-content p,
.contact-item-content a {
  font-size: 16px;
  color: var(--color-primary-dark);
  font-weight: 600;
  line-height: 1.5;
}

.contact-form {
  background: white;
  padding: 40px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-group label .req {
  color: #d32f2f;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  color: var(--color-text);
  transition: border-color var(--transition);
  background: white;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
}

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

.form-submit {
  width: 100%;
  background: var(--color-primary);
  color: white;
  padding: 14px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
}

.form-submit:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.form-note {
  font-size: 12px;
  color: var(--color-text-light);
  margin-top: 12px;
  text-align: center;
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item[open] {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.faq-q {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 16px;
  color: var(--color-primary-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-q::-webkit-details-marker { display: none; }

.faq-q::after {
  content: "+";
  font-size: 24px;
  font-weight: 300;
  color: var(--color-accent);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-item[open] .faq-q::after {
  transform: rotate(45deg);
}

.faq-a {
  padding: 0 24px 20px;
  color: var(--color-text-light);
  line-height: 1.7;
  font-size: 15px;
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  padding: 60px 40px;
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(200,155,91,0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 38px);
  margin-bottom: 16px;
  position: relative;
}

.cta-banner p {
  font-size: 17px;
  opacity: 0.9;
  margin-bottom: 28px;
  position: relative;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  position: relative;
  flex-wrap: wrap;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: #0f1f2c;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand {
  margin-bottom: 16px;
}

.footer-brand .logo {
  color: white;
  margin-bottom: 16px;
}

.footer-brand .logo-name { color: white; }

/* Footer logo sits on dark bg → give the JPG a subtle white frame */
.footer-brand .logo-img {
  background: #ffffff;
  border-radius: 6px;
  padding: 6px 10px;
  height: 56px;
}

.footer-about {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all var(--transition);
  font-size: 14px;
}

.footer-social a:hover {
  background: var(--color-accent);
  color: white;
}

.footer h4 {
  color: white;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--color-accent); }

.footer-contact-item {
  font-size: 14px;
  margin-bottom: 12px;
  display: flex;
  gap: 8px;
}

.footer-contact-item strong {
  color: white;
  display: block;
  margin-bottom: 2px;
  font-weight: 500;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  font-size: 13px;
  text-align: center;
}

/* ============================================
   WHATSAPP FLOAT
   ============================================ */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transition: all var(--transition);
  animation: pulse 2s infinite;
}

.wa-float:hover {
  color: white;
  transform: scale(1.1);
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
  70% { box-shadow: 0 0 0 20px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(200,155,91,0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  margin-bottom: 16px;
  position: relative;
}

.page-header p {
  font-size: 17px;
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  opacity: 0.8;
  position: relative;
}

.breadcrumb a { color: white; }
.breadcrumb a:hover { color: var(--color-accent); }

/* ============================================
   PRODUCT FILTER
   ============================================ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
  justify-content: center;
}

.filter-btn {
  padding: 10px 20px;
  border-radius: 30px;
  background: white;
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   BLOG LISTING PAGE
   ============================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 32px;
  margin-bottom: 56px;
}

.blog-card {
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid var(--color-border);
}

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

.blog-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
}

.blog-card-img-wrap {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-bg-soft);
  position: relative;
}

.blog-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-card-img-wrap img {
  transform: scale(1.06);
}

.blog-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--color-primary);
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  z-index: 2;
}

.blog-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.blog-date {
  font-weight: 500;
}

.blog-read-time::before {
  content: "·";
  margin-right: 10px;
}

.blog-card-title {
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.35;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.blog-card:hover .blog-card-title {
  color: var(--color-accent-dark);
}

.blog-card-excerpt {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.65;
  margin-bottom: 16px;
  flex: 1;
}

.blog-read-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

.blog-card:hover .blog-read-more {
  color: var(--color-accent-dark);
}

/* Blog CTA box (listing page) */
.blog-cta-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.blog-cta-box::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(200,155,91,0.25) 0%, transparent 70%);
  border-radius: 50%;
}

.blog-cta-content {
  position: relative;
}

.blog-cta-box h3 {
  font-family: var(--font-display);
  font-size: 26px;
  color: white;
  margin-bottom: 12px;
}

.blog-cta-box p {
  color: rgba(255,255,255,0.8);
  font-size: 15px;
  margin-bottom: 24px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   BLOG ARTICLE PAGE
   ============================================ */
.article-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: 64px 0 48px;
  position: relative;
  overflow: hidden;
}

.article-hero::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(200,155,91,0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.article-hero .container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.blog-tag-hero {
  position: static;
  display: inline-block;
  background: var(--color-accent);
  margin-bottom: 16px;
}

.article-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.25;
  margin-bottom: 16px;
  position: relative;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  opacity: 0.85;
  position: relative;
}

.meta-dot {
  opacity: 0.5;
}

.article-body {
  padding: 48px 0 64px;
}

.article-body .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.article-content {
  max-width: 760px;
  width: 100%;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--color-text);
}

.article-lead {
  font-size: 19px;
  line-height: 1.7;
  color: var(--color-primary-dark);
  font-weight: 500;
  margin-bottom: 32px;
  padding-left: 20px;
  border-left: 4px solid var(--color-accent);
}

.article-content h2 {
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--color-primary-dark);
  margin: 40px 0 16px;
  line-height: 1.3;
}

.article-content p {
  margin-bottom: 18px;
}

.article-list {
  margin: 0 0 24px;
  padding-left: 0;
  list-style: none;
}

.article-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
}

.article-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  width: 20px;
  height: 20px;
  background: var(--color-bg-soft);
  color: var(--color-accent-dark);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-cta-box {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  text-align: center;
  margin-top: 48px;
}

.article-cta-box h3 {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.article-cta-box p {
  color: var(--color-text-light);
  font-size: 15px;
  margin-bottom: 20px;
}

.article-sidebar {
  max-width: 760px;
  width: 100%;
  margin-top: 40px;
}

.back-to-blog {
  display: inline-block;
  font-weight: 600;
  font-size: 15px;
  color: var(--color-primary);
  padding: 12px 24px;
  border: 1.5px solid var(--color-border);
  border-radius: 30px;
  transition: all var(--transition);
}

.back-to-blog:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
}

/* Blog responsive */
@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .blog-card-body {
    padding: 18px;
  }

  .blog-card-title {
    font-size: 18px;
  }

  .blog-cta-box {
    padding: 32px 20px;
  }

  .article-hero {
    padding: 48px 0 36px;
  }

  .article-content {
    font-size: 16px;
  }

  .article-content h2 {
    font-size: 22px;
  }

  .article-lead {
    font-size: 17px;
  }

  .article-cta-box {
    padding: 24px 18px;
  }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero-grid { gap: 40px; }
  .scenarios-grid { grid-template-columns: 1fr 1fr; height: auto; }
  .scenario-card.tall { grid-row: span 1; }
  .scenarios-grid { grid-template-rows: 240px 240px; }
  .factory-grid { grid-template-columns: repeat(2, 1fr); }
  .factory-grid .factory-item:nth-child(1) { grid-column: span 2; }
  .factory-grid .factory-item:nth-child(6) { grid-column: span 1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  section { padding: 56px 0; }
  .container { padding: 0 16px; }

  .logo-img { height: 36px; }
  .footer-brand .logo-img { height: 48px; padding: 4px 8px; }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    align-items: stretch;
    padding: 20px 24px;
    gap: 4px;
    transform: translateY(-110%);
    transition: transform var(--transition);
    box-shadow: var(--shadow-md);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .nav.active { transform: translateY(0); }
  .nav-link {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
  }
  .nav-cta { margin-top: 12px; text-align: center; }
  .menu-toggle { display: block; }

  .hero { min-height: auto; padding: 40px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 100%; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-num { font-size: 24px; }

  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 24px; }
  .contact-info-card, .contact-form { padding: 24px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }

  .scenarios-grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(3, 200px);
    height: auto;
  }
  .factory-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 180px 180px 180px;
  }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .product-info { padding: 14px; }
  .product-title { font-size: 15px; }
  .wa-float { width: 52px; height: 52px; font-size: 24px; bottom: 16px; right: 16px; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .product-grid { grid-template-columns: 1fr; }
}

/* Print friendly */
@media print {
  .header, .footer, .wa-float, .nav-cta { display: none; }
}