/* ==========================================================================
   PT SINAR TIMUR GLASSINDO - MODERN MINIMALIST ARCHITECTURAL DESIGN SYSTEM
   Clean, Organized, Elegant Whitespace, Precision Alignment & Typography
   ========================================================================== */

:root {
  /* Neutral Monochrome & Refined Architectural Blue */
  --bg-white: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-card: #ffffff;
  --bg-hover: #f1f5f9;

  /* Borders - Hairline Precision */
  --border-light: #e2e8f0;
  --border-subtle: #edf2f7;
  --border-focus: #0284c7;

  /* Primary Accent - Sophisticated Architectural Cobalt/Navy */
  --accent-primary: #0284c7;
  --accent-hover: #0369a1;
  --accent-soft: #f0f9ff;
  --accent-navy: #0f172a;
  
  /* WhatsApp Clean Green */
  --wa-green: #10b981;
  --wa-green-hover: #059669;
  --wa-soft: #ecfdf5;

  /* Typography - High Contrast & High Legibility */
  --text-title: #0f172a;       /* Deep Charcoal Navy */
  --text-body: #334155;        /* Balanced Slate Body */
  --text-muted: #64748b;       /* Subtle captions */
  --text-light: #94a3b8;

  /* Typography Families */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-title: 'Outfit', 'Plus Jakarta Sans', sans-serif;

  /* Shadows - Minimalist Soft Air */
  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-card: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
  --shadow-hover: 0 12px 30px -4px rgba(15, 23, 42, 0.08);

  /* Layout & Geometry */
  --max-width: 1200px;
  --nav-height: 74px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition: 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-white);
  color: var(--text-body);
  line-height: 1.65;
  font-size: 15.5px;
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

/* ==========================================================================
   Typography Hierarchy
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  color: var(--text-title);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

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

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-title {
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.02rem;
  line-height: 1.65;
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

.section {
  padding: 88px 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-subtle);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

/* ==========================================================================
   Minimalist Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-navy);
  color: #ffffff;
  border: 1px solid var(--accent-navy);
}

.btn-primary:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-title);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-soft);
}

.btn-whatsapp {
  background: var(--wa-green);
  color: #ffffff;
  border: 1px solid var(--wa-green);
}

.btn-whatsapp:hover {
  background: var(--wa-green-hover);
  border-color: var(--wa-green-hover);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.nav-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-right: 28px;
}

.brand-logo img {
  height: 36px;
  width: auto;
  max-width: 250px;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  position: relative;
  padding: 6px 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-title);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-primary);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Dropdown */
.contact-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 270px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: var(--transition);
  z-index: 100;
}

.contact-dropdown:hover .dropdown-menu,
.contact-dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-body);
  font-size: 0.88rem;
  transition: var(--transition);
}

.dropdown-item:hover {
  background: var(--bg-subtle);
  color: var(--accent-primary);
}

.dropdown-item .item-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--wa-soft);
  color: var(--wa-green);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dropdown-item .item-text strong {
  display: block;
  font-size: 0.85rem;
  color: var(--text-title);
}

.dropdown-item .item-text span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.mobile-toggle {
  display: none;
  background: transparent;
  color: var(--text-title);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 6px;
}

/* ==========================================================================
   Hero Section - Clean Architectural Minimalist
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + 50px);
  padding-bottom: 70px;
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  border-bottom: 1px solid var(--border-light);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.98) 0%,
    rgba(255, 255, 255, 0.92) 50%,
    rgba(255, 255, 255, 0.65) 100%
  );
  z-index: 1;
}

.hero-container {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 720px;
}

.hero-title {
  font-size: clamp(2rem, 3.6vw, 3rem);
  line-height: 1.2;
  margin-bottom: 18px;
  font-weight: 700;
  color: var(--text-title);
  letter-spacing: -0.025em;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 30px;
  line-height: 1.68;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

/* Minimalist Clean Metrics Row */
.hero-metrics {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  flex-wrap: wrap;
}

.metric-item {
  border-right: 1px solid var(--border-light);
  padding-right: 28px;
}

.metric-item:last-child {
  border-right: none;
  padding-right: 0;
}

.metric-value {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-navy);
  line-height: 1.2;
  white-space: nowrap;
}

.metric-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 500;
  white-space: nowrap;
}

.metric-item:last-child {
  border-right: none;
  padding-right: 0;
}

.metric-value {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent-navy);
  line-height: 1.2;
}

.metric-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 500;
}

/* ==========================================================================
   Company Profile (About Us)
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.about-text h2 {
  margin-bottom: 18px;
}

.about-text p {
  color: var(--text-body);
  margin-bottom: 18px;
  font-size: 1.02rem;
  line-height: 1.7;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}

.feature-box {
  padding: 20px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.feature-box:hover {
  border-color: var(--accent-primary);
  background: #ffffff;
}

.feature-box h4 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--text-title);
}

.feature-box p {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.5;
}

.about-visual-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-subtle);
}

.about-visual-card img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.badge-floating {
  padding: 16px 20px;
  background: #ffffff;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 14px;
}

.badge-floating h5 {
  font-size: 0.95rem;
  color: var(--text-title);
}

.badge-floating p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Product Catalog - Clean Editorial Gallery
   ========================================================================== */
.product-filter-bar {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 18px;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  color: var(--text-title);
  background: var(--bg-subtle);
}

.filter-btn.active {
  color: #ffffff;
  background: var(--accent-navy);
  font-weight: 600;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

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

.product-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-hover);
}

.product-thumb {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: var(--bg-subtle);
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.product-category-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text-title);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

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

.product-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-title);
}

.product-spec-pill {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 12px;
}

.product-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.55;
}

.product-footer {
  display: flex;
  gap: 8px;
  margin-top: auto;
}

.product-footer .btn {
  flex: 1;
}

/* ==========================================================================
   Applications & Solutions Grid
   ========================================================================== */
.applications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.app-card {
  padding: 24px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.app-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-card);
}

.app-card h4 {
  font-size: 1.08rem;
  margin-bottom: 8px;
  color: var(--text-title);
}

.app-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   Process / Timeline Minimalist
   ========================================================================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.process-step {
  padding: 24px 20px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.process-step:hover {
  border-color: var(--accent-primary);
}

.step-num {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 8px;
}

.process-step h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: var(--text-title);
}

.process-step p {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   WhatsApp Order & Form - Clean Minimalist
   ========================================================================== */
.order-interactive-box {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 36px;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: var(--shadow-card);
}

.contact-choice-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.contact-choice-tab {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}

.contact-choice-tab.active {
  border-color: var(--wa-green);
  background: var(--wa-soft);
}

.contact-choice-tab input[type="radio"] {
  accent-color: var(--wa-green);
}

.contact-choice-tab .tab-info strong {
  display: block;
  font-size: 0.88rem;
  color: var(--text-title);
}

.contact-choice-tab .tab-info span {
  font-size: 0.8rem;
  color: var(--wa-green);
  font-weight: 600;
}

.order-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-title);
}

.form-control {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--text-title);
  font-size: 0.92rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--accent-primary);
}

/* ==========================================================================
   Contact & Location
   ========================================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.info-card:hover {
  border-color: var(--accent-primary);
}

.info-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--bg-subtle);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-icon.whatsapp {
  background: var(--wa-soft);
  color: var(--wa-green);
}

.info-text h4 {
  font-size: 0.98rem;
  margin-bottom: 4px;
  color: var(--text-title);
}

.info-text p, .info-text a {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.info-text a:hover {
  color: var(--accent-primary);
}

.map-card {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-light);
  background: #ffffff;
  height: 100%;
  min-height: 340px;
  display: flex;
  flex-direction: column;
}

.map-card iframe {
  width: 100%;
  height: 100%;
  min-height: 300px;
  border: 0;
}

.map-footer {
  padding: 12px 18px;
  background: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-light);
}

/* ==========================================================================
   Footer - Ultra Minimalist Single Bar
   ========================================================================== */
.site-footer {
  background: #f8fafc;
  color: #64748b;
  padding: 22px 0;
  border-top: 1px solid #e2e8f0;
}

.footer-minimal-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand-mini {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-logo {
  height: 26px;
  width: auto;
  display: block;
}

.footer-copyright {
  font-size: 0.84rem;
  color: #64748b;
  border-left: 1px solid #cbd5e1;
  padding-left: 16px;
}

.footer-links-mini {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.mini-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  font-weight: 500;
  color: #475569;
  text-decoration: none;
  transition: var(--transition);
}

.mini-contact-link:hover {
  color: #0284c7;
}

.mini-contact-link svg {
  flex-shrink: 0;
}

/* ==========================================================================
   Modal - Minimalist White
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  width: 100%;
  max-width: 740px;
  max-height: 90vh;
  overflow-y: auto;
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-subtle);
  color: var(--text-title);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition);
}

.modal-close-btn:hover {
  background: #fee2e2;
  color: #dc2626;
}

.modal-body {
  padding: 32px;
}

.modal-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 24px;
  align-items: start;
}

.modal-image-wrap {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-light);
  background: var(--bg-subtle);
}

.modal-image-wrap img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.modal-specs-table {
  width: 100%;
  margin: 16px 0;
  border-collapse: collapse;
}

.modal-specs-table tr {
  border-bottom: 1px solid var(--border-light);
}

.modal-specs-table td {
  padding: 8px 0;
  font-size: 0.88rem;
}

.modal-specs-table td:first-child {
  color: var(--text-muted);
  width: 35%;
  font-weight: 500;
}

.modal-specs-table td:last-child {
  color: var(--text-title);
  font-weight: 600;
}

/* ==========================================================================
   Floating WhatsApp Button
   ========================================================================== */
.floating-wa-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
}

.floating-wa-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--wa-green);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
  cursor: pointer;
  transition: var(--transition);
}

.floating-wa-btn:hover {
  background: var(--wa-green-hover);
  transform: translateY(-2px);
}

.floating-wa-btn svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.floating-wa-menu {
  position: absolute;
  bottom: calc(100% + 12px);
  right: 0;
  width: 270px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--transition);
}

.floating-wa-container.open .floating-wa-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.wa-menu-header {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 4px;
}

.wa-menu-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.wa-direct-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  margin-bottom: 6px;
  transition: var(--transition);
}

.wa-direct-btn:last-child {
  margin-bottom: 0;
}

.wa-direct-btn:hover {
  background: var(--wa-soft);
  border-color: rgba(16, 185, 129, 0.3);
}

.wa-direct-btn .wa-num {
  font-size: 0.85rem;
  font-weight: 700;
  color: #047857;
  display: block;
}

.wa-direct-btn .wa-name {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-metrics {
    gap: 20px;
  }
  .metric-item {
    padding-right: 20px;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 60px;
  }

  /* Container & Section Spacing */
  .container {
    padding: 0 16px;
  }

  .section {
    padding: 44px 0;
  }

  .section-header {
    margin-bottom: 22px;
  }

  .section-tag {
    font-size: 0.72rem;
    margin-bottom: 6px;
  }

  .section-title {
    font-size: 1.55rem;
    line-height: 1.25;
  }

  .section-desc {
    font-size: 0.88rem;
    line-height: 1.5;
  }

  /* Header & Mobile Drawer */
  .brand-logo img {
    height: 30px;
  }

  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
  }

  .nav-actions .btn {
    display: none;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    max-height: calc(100vh - var(--nav-height));
    overflow-y: auto;
    background: #ffffff;
    flex-direction: column;
    padding: 14px 18px 24px;
    gap: 0;
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.1);
    transform: translateY(-120%);
    transition: transform 0.28s ease;
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-link {
    display: block;
    padding: 12px 0;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-title);
    border-bottom: 1px solid #f1f5f9;
    width: 100%;
  }

  .nav-link.active::after {
    display: none;
  }

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

  /* Hero Section */
  .hero-section {
    min-height: auto;
    padding-top: calc(var(--nav-height) + 16px);
    padding-bottom: 34px;
  }

  .hero-title {
    font-size: 1.7rem;
    line-height: 1.22;
    margin-bottom: 12px;
  }

  .hero-subtitle {
    font-size: 0.88rem;
    line-height: 1.55;
    margin-bottom: 20px;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
    gap: 8px;
    margin-bottom: 24px;
  }

  .hero-buttons .btn {
    width: 100%;
    padding: 12px;
    font-size: 0.9rem;
  }

  .hero-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding-top: 14px;
  }

  .metric-item {
    background: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    border-right: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
  }

  .metric-value {
    font-size: 1.2rem;
    line-height: 1.15;
  }

  .metric-label {
    font-size: 0.72rem;
    white-space: normal;
    margin-top: 2px;
    line-height: 1.3;
  }

  /* About Section */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .about-text h2 {
    font-size: 1.45rem;
  }

  .about-text p {
    font-size: 0.88rem;
    line-height: 1.55;
    margin-bottom: 12px;
  }

  .about-features {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 14px;
  }

  .feature-box {
    padding: 14px;
  }

  .feature-box h4 {
    font-size: 0.9rem;
    margin-bottom: 4px;
  }

  .feature-box p {
    font-size: 0.8rem;
    line-height: 1.45;
  }

  .about-visual-card img {
    height: 200px;
  }

  .badge-floating {
    padding: 10px 14px;
  }

  .badge-floating h5 {
    font-size: 0.88rem;
  }

  .badge-floating p {
    font-size: 0.76rem;
  }

  /* Products Filter & Grid */
  .product-filter-bar {
    display: flex;
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 2px 0 8px;
    margin-bottom: 18px;
    scrollbar-width: none;
    gap: 6px;
  }

  .product-filter-bar::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 6px 12px;
    font-size: 0.78rem;
    border-radius: 16px;
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .product-thumb {
    height: 180px;
  }

  .product-body {
    padding: 16px;
  }

  .product-title {
    font-size: 1.1rem;
    margin-bottom: 6px;
  }

  .product-desc {
    font-size: 0.84rem;
    line-height: 1.45;
    margin-bottom: 12px;
  }

  /* Applications (2 Columns on Mobile) */
  .applications-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .app-card {
    padding: 12px 10px;
    border-radius: var(--radius-sm);
  }

  .app-card h4 {
    font-size: 0.84rem;
    margin-bottom: 4px;
    line-height: 1.3;
  }

  .app-card p {
    font-size: 0.74rem;
    line-height: 1.35;
    margin: 0;
  }

  /* Process Steps (2 Columns on Mobile) */
  .process-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .process-step {
    padding: 12px 10px;
    border-radius: var(--radius-sm);
  }

  .step-num {
    font-size: 1.15rem;
    margin-bottom: 2px;
  }

  .process-step h4 {
    font-size: 0.82rem;
    margin-bottom: 3px;
    line-height: 1.3;
  }

  .process-step p {
    font-size: 0.72rem;
    line-height: 1.35;
    margin: 0;
  }

  /* Order & WhatsApp Box */
  .order-interactive-box {
    padding: 18px 14px;
    border-radius: 10px;
  }

  .contact-choice-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-bottom: 14px;
  }

  .contact-choice-tab {
    padding: 8px 10px;
    border-radius: 6px;
  }

  .tab-info strong {
    font-size: 0.78rem;
    display: block;
  }

  .tab-info span {
    font-size: 0.7rem;
  }

  .order-form-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .form-group.full-width {
    grid-column: span 1;
  }

  .form-label {
    font-size: 0.8rem;
    margin-bottom: 4px;
  }

  .form-control {
    font-size: 16px; /* Prevents auto-zoom on iOS */
    padding: 10px 12px;
  }

  /* Contact & Map on Mobile */
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .info-card {
    padding: 12px 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
  }

  .info-icon {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .info-text h4 {
    font-size: 0.84rem;
    margin-bottom: 2px;
    color: var(--text-title);
  }

  .info-text p, .info-text a {
    font-size: 0.78rem;
    line-height: 1.35;
    margin: 0;
  }

  .map-card {
    min-height: 200px;
    height: 200px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-light);
  }

  .map-card iframe {
    min-height: 160px;
  }

  .map-footer {
    padding: 10px 14px;
    font-size: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #ffffff;
    border-top: 1px solid var(--border-light);
  }

  /* Ultra Minimalist Footer on Mobile */
  .site-footer {
    padding: 24px 0 85px; /* Ample safe space for the floating WhatsApp button */
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
  }

  .footer-minimal-wrap {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 14px;
  }

  .footer-brand-mini {
    flex-direction: column;
    gap: 8px;
    align-items: center;
  }

  .footer-logo {
    height: 26px;
  }

  .footer-copyright {
    border-left: none;
    padding-left: 0;
    font-size: 0.76rem;
  }

  .footer-links-mini {
    flex-direction: column;
    gap: 8px;
    align-items: center;
  }

  .mini-contact-link {
    font-size: 0.78rem;
  }

  /* Floating WhatsApp */
  .floating-wa-container {
    bottom: 16px;
    right: 16px;
  }

  .floating-wa-btn {
    width: 46px;
    height: 46px;
  }

  .floating-wa-btn svg {
    width: 22px;
    height: 22px;
  }

  .floating-wa-menu {
    width: 240px;
    padding: 10px;
  }

  /* Modal on Mobile */
  .modal-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .modal-body {
    padding: 20px 16px;
  }

  .modal-image-wrap img {
    height: 180px;
  }
}