@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:ital,wght@0,600;0,700;0,800;0,900;1,700&family=Inter:wght@300;400;500;600;700;800&display=swap');
:root {
  --color-primary: #0F172A;
  --color-primary-rgb: 15, 23, 42;
  --color-secondary: #1E293B;
  --color-secondary-rgb: 30, 41, 59;
  --color-accent: #F59E0B;
  --color-accent-hover: #D97706;
  --color-dark: #020617;
  --color-light: #F8FAFC;
  --color-white: #FFFFFF;
  --color-gray: #64748B;
  --color-gray-light: #E2E8F0;
  --font-heading: 'Barlow Condensed', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 250ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 350ms cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-accent: 0 4px 14px rgba(245, 158, 11, 0.25);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --max-width: 1280px;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
}
body {
  font-family: var(--font-body);
  background-color: var(--color-light);
  color: var(--color-dark);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}
h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section-padding {
  padding: 80px 0;
}
@media (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 26px;
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  gap: 8px;
  touch-action: manipulation;
  user-select: none;
  min-height: 48px;
}
.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-primary);
  box-shadow: var(--shadow-accent);
}
.btn-primary:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.40);
}
.btn-primary:active {
  transform: translateY(0) scale(0.97);
  box-shadow: var(--shadow-accent);
}
.btn-secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.75);
}
.btn-secondary:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
  transform: translateY(-2px);
}
.btn-secondary:active {
  transform: translateY(0) scale(0.97);
}
.btn-outline-primary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-outline-primary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px) scale(1.02);
}
.btn-outline-primary:active {
  transform: translateY(1px) scale(0.98);
}
.section-title-wrapper {
  text-align: center;
  margin-bottom: 50px;
}
.section-tag {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}
.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.03em;
}
@media (max-width: 768px) {
  .section-title {
    font-size: 1.9rem;
  }
}
.text-center { text-align: center; }
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 500ms var(--transition-slow), transform 500ms var(--transition-slow);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-normal);
  padding: 16px 0;
}
.header.scrolled {
  background-color: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-md);
  padding: 10px 0;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo-wrapper {
  height: 50px;
  display: flex;
  align-items: center;
}
.logo-wrapper img {
  height: 100%;
  width: auto;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}
.nav-link {
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  opacity: 0.85;
  position: relative;
  padding: 8px 0;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: var(--transition-normal);
}
.nav-link:hover {
  opacity: 1;
  color: var(--color-accent);
}
.nav-link:hover::after {
  width: 100%;
}
.nav-link.active {
  color: var(--color-accent);
  opacity: 1;
}
.nav-link.active::after {
  width: 100%;
}
.mobile-nav-toggle {
  display: none;
  background: transparent;
  cursor: pointer;
  padding: 8px;
  border: none;
  z-index: 1100;
}
.burger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  margin: 6px 0;
  transition: var(--transition-normal);
}
@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
  }
  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: radial-gradient(circle at top right, rgba(15, 23, 42, 0.98), rgba(8, 12, 24, 0.99));
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 100px 32px 40px;
    transition: transform 400ms cubic-bezier(0.16, 1, 0.3, 1), opacity 350ms ease;
    gap: 20px;
    opacity: 0;
    pointer-events: none;
    z-index: 1050;
    transform: translateY(-16px);
  }
  .nav-links.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .nav-links li {
    width: 100%;
    max-width: 280px;
    text-align: center;
  }
  .nav-link {
    display: block;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-white);
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: var(--transition-normal);
  }
  .nav-link::after {
    display: none; 
  }
  .nav-link:hover, .nav-link.active {
    color: var(--color-primary);
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.25);
    transform: translateY(-2px);
  }
  .mobile-nav-toggle.active .burger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
    background-color: var(--color-accent);
  }
  .mobile-nav-toggle.active .burger-line:nth-child(2) {
    opacity: 0;
  }
  .mobile-nav-toggle.active .burger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -7px);
    background-color: var(--color-accent);
  }
}
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #030C16 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--color-white);
  position: relative;
  padding-top: 100px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 50px;
}
.hero-tag {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 3px;
  margin-bottom: 16px;
  display: block;
}
.hero-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  color: var(--color-white);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  line-height: 1.05;
}
.hero-title span {
  color: var(--color-accent);
}
.hero-desc {
  font-size: 1.1rem;
  opacity: 0.85;
  margin-bottom: 40px;
  max-width: 580px;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-image-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(238, 185, 2, 0.15) 0%, transparent 70%);
  filter: blur(20px);
}
.hero-image {
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.4));
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 32px;
    padding: 40px 0;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-image {
    max-width: 65%;
    animation: none;
  }
}
@media (max-width: 480px) {
  .hero {
    padding-top: 90px;
  }
  .hero-tag {
    font-size: 0.8rem;
    letter-spacing: 2px;
  }
  .hero-desc {
    font-size: 1rem;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  .hero-buttons .btn {
    width: 100%;
    max-width: 320px;
  }
  .hero-image {
    max-width: 80%;
  }
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}
.feature-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
  overflow: hidden;
  border-bottom: 3px solid transparent;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-bottom-color: var(--color-accent);
}
.feature-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background-color: rgba(19, 64, 116, 0.08);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 24px;
  transition: var(--transition-normal);
}
.feature-card:hover .feature-icon-wrapper {
  background-color: var(--color-primary);
  color: var(--color-accent);
}
.feature-title {
  font-size: 1.4rem;
  margin-bottom: 12px;
  letter-spacing: -0.2px;
}
.feature-desc {
  font-size: 0.95rem;
  color: var(--color-gray);
  line-height: 1.5;
}
.about {
  background-color: var(--color-white);
}
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 60px;
}
.about-img-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-content h3 {
  font-size: 2rem;
  margin-bottom: 20px;
}
.about-desc {
  font-size: 1.05rem;
  color: var(--color-gray);
  margin-bottom: 30px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.stat-item {
  padding: 16px;
  border-left: 3px solid var(--color-accent);
  background-color: var(--color-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.stat-number {
  font-size: 2.2rem;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-gray);
  text-transform: uppercase;
}
@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-img-wrapper {
    max-width: 500px;
    margin: 0 auto;
  }
}
@media (max-width: 576px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  list-style: none;
  flex-wrap: wrap;
}
.filter-tab {
  padding: 10px 24px;
  background-color: var(--color-white);
  border: 1.5px solid var(--color-gray-light);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.filter-tab:hover, .filter-tab.active {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
  min-height: 200px;
}
.product-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid rgba(15, 23, 42, 0.06);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(15, 23, 42, 0.12);
}
.product-img-wrapper {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: #F8FAFC;
  border-bottom: 1px solid rgba(15, 23, 42, 0.04);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.product-img-wrapper img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  transition: var(--transition-slow);
}
.product-card:hover .product-img-wrapper img {
  transform: scale(1.04);
}
.product-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.badge-plastik { background-color: var(--color-secondary); }
.badge-kayu { background-color: #854D0E; }
.product-body {
  padding: 20px 24px 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.product-title {
  font-size: 1.35rem;
  margin-bottom: 10px;
  color: var(--color-primary);
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 3.3rem;
}
.product-desc {
  font-size: 0.92rem;
  color: var(--color-gray);
  margin-bottom: 24px;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 4.2rem;
}
.product-cta {
  width: 100%;
  background-color: var(--color-accent);
  color: var(--color-primary);
  text-align: center;
  padding: 13px 20px;
  border-radius: var(--radius-md);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: var(--shadow-accent);
}
.product-cta:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.40);
}
.calculator-section {
  background: linear-gradient(135deg, #0F172A 0%, #020617 100%);
  color: var(--color-white);
}
.calculator-section .section-title {
  color: var(--color-white);
}
.calculator-wrapper {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg);
}
@media (max-width: 768px) {
  .calculator-wrapper {
    padding: 24px;
  }
}
.calculator-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 40px;
}
@media (max-width: 992px) {
  .calculator-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}
.calc-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.input-label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  opacity: 0.9;
  text-transform: uppercase;
}
.calc-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}
.calc-input {
  width: 100%;
  padding: 12px 16px;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-white);
  font-size: 1.1rem;
  font-weight: 600;
  transition: var(--transition-fast);
}
.calc-input:focus {
  border-color: var(--color-accent);
  background-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}
.input-unit {
  position: absolute;
  right: 16px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-accent);
}
.slider-wrapper {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.range-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  outline: none;
}
.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
  transition: var(--transition-fast);
}
.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}
.calc-results-card {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.calc-results-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--color-accent);
}
.results-heading {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.85;
  margin-bottom: 12px;
}
.results-value {
  font-size: 4.5rem;
  font-family: var(--font-heading);
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
  animation: scale-up 300ms ease;
}
.results-unit {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  opacity: 0.9;
  margin-bottom: 24px;
  text-transform: uppercase;
}
.results-details {
  width: 100%;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  margin-bottom: 30px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.detail-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.92rem;
  opacity: 0.85;
}
.detail-row span:last-child {
  font-weight: 700;
  color: var(--color-white);
}
.testimonials {
  background-color: var(--color-white);
}
.testimonial-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  padding: 10px;
}
.testimonial-wrapper {
  display: flex;
  transition: transform 500ms ease;
}
.testimonial-slide {
  min-width: 100%;
  padding: 20px;
  text-align: center;
}
.testimonial-quote {
  font-size: 1.4rem;
  font-style: italic;
  font-weight: 400;
  color: var(--color-secondary);
  line-height: 1.6;
  margin-bottom: 30px;
  position: relative;
}
.testimonial-quote::before, .testimonial-quote::after {
  content: '"';
  font-size: 4rem;
  font-family: var(--font-heading);
  position: absolute;
  color: var(--color-accent);
  opacity: 0.3;
  line-height: 1;
}
.testimonial-quote::before {
  top: -24px;
  left: -20px;
}
.testimonial-quote::after {
  bottom: -60px;
  right: -20px;
}
.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.4rem;
  margin: 0 auto 16px;
  box-shadow: var(--shadow-sm);
}
.testimonial-author {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 2px;
}
.testimonial-company {
  font-size: 0.85rem;
  color: var(--color-gray);
  font-weight: 600;
  text-transform: uppercase;
}
.testimonial-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
}
.testi-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-gray-light);
  cursor: pointer;
  transition: var(--transition-fast);
}
.testi-dot.active {
  background-color: var(--color-primary);
  width: 24px;
  border-radius: 5px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
}
@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}
.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-bottom: 30px;
}
.contact-item {
  display: flex;
  gap: 20px;
}
.contact-icon-wrapper {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background-color: rgba(19, 64, 116, 0.08);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.contact-detail h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}
.contact-detail p {
  color: var(--color-gray);
  font-size: 0.95rem;
}
.map-wrapper {
  width: 100%;
  height: 250px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.map-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
}
.contact-form-wrapper {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
@media (max-width: 576px) {
  .contact-form-wrapper {
    padding: 24px;
  }
}
.contact-form-title {
  font-size: 1.8rem;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--color-light);
  padding-bottom: 12px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-input, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-gray-light);
  border-radius: var(--radius-sm);
  background-color: var(--color-light);
  font-family: inherit;
  transition: var(--transition-fast);
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--color-secondary);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(19, 64, 116, 0.1);
}
.form-textarea {
  resize: vertical;
  min-height: 120px;
}
.contact-submit {
  width: 100%;
  margin-top: 10px;
  background-color: #25D366; 
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}
.contact-submit:hover {
  background-color: #128C7E;
}
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 80px 0 40px;
  border-top: 4px solid var(--color-accent); 
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.9fr;
  gap: 60px;
  margin-bottom: 50px;
}
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}
.footer-logo-desc {
  display: flex;
  flex-direction: column; 
  align-items: flex-start;
  gap: 20px;
}
.footer-logo {
  height: 48px; 
  width: auto;  
  max-width: 240px;
  flex-shrink: 0;
  filter: brightness(0) invert(1); 
}
.footer-logo-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.footer-desc {
  font-size: 0.92rem;
  opacity: 0.75;
  line-height: 1.6;
}
.footer-title {
  color: var(--color-accent);
  font-size: 1.35rem;
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer-link {
  font-size: 0.95rem;
  opacity: 0.8;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-white);
  transition: var(--transition-fast);
}
.footer-link::before {
  content: '→';
  opacity: 0;
  transform: translateX(-6px);
  transition: var(--transition-fast);
  color: var(--color-accent);
  font-weight: 700;
}
.footer-link:hover {
  opacity: 1;
  color: var(--color-accent);
  transform: translateX(4px);
}
.footer-link:hover::before {
  opacity: 1;
  transform: translateX(0);
}
.footer-contact-info {
  margin-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
  width: 100%;
}
.footer-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}
.footer-contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--color-accent);
  transition: var(--transition-fast);
}
.footer-contact-link:hover {
  color: var(--color-accent);
}
.footer-contact-link:hover .footer-contact-icon {
  background-color: var(--color-accent);
  color: var(--color-primary);
  transform: scale(1.05);
}
.social-links {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}
.social-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: var(--transition-normal);
}
.social-icon:hover {
  background-color: var(--color-accent);
  color: var(--color-primary) !important;
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.88rem;
  opacity: 0.7;
}
.back-to-top {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}
.back-to-top:hover {
  background-color: var(--color-accent);
  color: var(--color-primary);
  transform: translateY(-2px);
}
.floating-whatsapp {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 2.2rem;
  z-index: 999;
  cursor: pointer;
  transition: var(--transition-normal);
  animation: pulse-wa 2s infinite;
}
.floating-whatsapp:hover {
  transform: scale(1.1);
  background-color: #128C7E;
}
@keyframes pulse-wa {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}
@media (max-width: 576px) {
  .floating-whatsapp {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    font-size: 1.8rem;
  }
}
.specs-section {
  background-color: var(--color-light);
}
.specs-wrapper {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 40px;
  margin-top: 40px;
}
@media (max-width: 992px) {
  .specs-wrapper {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 24px;
  }
}
.specs-tabs {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-right: 2px solid var(--color-light);
  padding-right: 20px;
}
@media (max-width: 992px) {
  .specs-tabs {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-right: none;
    border-bottom: 2px solid var(--color-light);
    padding-right: 0;
    padding-bottom: 12px;
    gap: 8px;
  }
  .specs-tabs::-webkit-scrollbar {
    display: none;
  }
}
.spec-tab-btn {
  background: none;
  border: none;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  color: var(--color-gray);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition-fast);
  white-space: nowrap;
}
.spec-tab-btn i {
  font-size: 1.15rem;
  width: 20px;
}
.spec-tab-btn:hover {
  background-color: var(--color-light);
  color: var(--color-primary);
}
.spec-tab-btn.active {
  background-color: var(--color-primary);
  color: var(--color-white);
}
.specs-content-panel {
  min-height: 250px;
}
.spec-panel-content {
  display: none;
  animation: fade-in 300ms ease-in-out;
}
.spec-panel-content.active {
  display: block;
}
.spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.spec-list li {
  position: relative;
  padding-left: 28px;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-secondary);
}
.spec-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.1rem;
}
.load-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.load-card {
  background-color: var(--color-light);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  border: 1px solid rgba(0, 0, 0, 0.03);
  transition: var(--transition-normal);
}
.load-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-md);
}
.load-card i {
  font-size: 2.2rem;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.load-card h5 {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.load-card .load-value {
  display: block;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-secondary);
  margin-bottom: 12px;
}
.load-card p {
  font-size: 0.88rem;
  color: var(--color-gray);
  line-height: 1.4;
}
.advantages-dynamic-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.advantage-item-box {
  background-color: var(--color-white);
  border-left: 4px solid var(--color-accent);
  padding: 16px 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.advantage-item-box h5 {
  font-size: 1.05rem;
  color: var(--color-primary);
  margin-bottom: 6px;
  font-weight: 700;
}
.advantage-item-box p {
  font-size: 0.9rem;
  color: var(--color-gray);
  line-height: 1.5;
}
.usage-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.usage-list li {
  position: relative;
  padding-left: 32px;
  font-size: 0.95rem;
  color: var(--color-secondary);
  line-height: 1.4;
}
.usage-list li::before {
  content: '\f49e'; 
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--color-accent);
}
@media (max-width: 576px) {
  .container {
    padding: 0 16px;
  }
  .section-padding {
    padding: 48px 0;
  }
  .section-title-wrapper {
    margin-bottom: 30px;
  }
  .section-title {
    font-size: 2rem !important;
    letter-spacing: -0.01em;
  }
  .section-tag {
    font-size: 0.75rem;
    letter-spacing: 2px;
  }
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .product-card {
    border-radius: var(--radius-sm);
  }
  .product-img-wrapper {
    padding: 0.75rem; 
  }
  .product-badge {
    top: 8px;
    left: 8px;
    padding: 3px 6px;
    font-size: 0.6rem;
  }
  .product-body {
    padding: 12px;
  }
  .product-title {
    font-size: 0.95rem !important;
    line-height: 1.2;
    min-height: 2.3rem; 
    margin-bottom: 8px;
  }
  .product-desc {
    display: none; 
  }
  .product-cta {
    padding: 10px 8px;
    font-size: 0.78rem;
    border-radius: var(--radius-sm);
  }
  .calculator-wrapper {
    padding: 24px 20px;
  }
  .calc-input {
    font-size: 16px !important; 
  }
  .results-value {
    font-size: clamp(3.2rem, 15vw, 4.5rem);
  }
  .testimonial-quote {
    font-size: 1.15rem;
    line-height: 1.5;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .form-input, .form-textarea {
    font-size: 16px !important; 
  }
  .footer-grid {
    gap: 32px;
  }
  .footer-logo-desc {
    flex-direction: column;
    gap: 12px;
  }
}
/* ===== SKELETON LOADING — Catalog Grid ===== */
@keyframes skeleton-shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}
.skeleton {
  background: linear-gradient(
    90deg,
    #ececec 25%,
    #f5f5f5 50%,
    #ececec 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s ease-in-out infinite;
  border-radius: var(--radius-sm);
}
.skeleton-card {
  pointer-events: none;
}
.skeleton-img-block {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.skeleton-line {
  display: block;
  border-radius: var(--radius-sm);
}
.skeleton-btn-block {
  width: 100%;
  height: 44px;
  border-radius: var(--radius-md);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
  .hero-image {
    animation: none;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .floating-whatsapp {
    animation: none;
  }
}
a, button, [role="button"] {
  touch-action: manipulation;
}
.product-card,
.feature-card,
.btn,
.floating-whatsapp,
.testimonial-wrapper {
  will-change: auto;
}
.product-card:hover,
.feature-card:hover {
  will-change: transform, box-shadow;
}
.btn:active,
.product-cta:active,
.social-icon:active,
.filter-tab:active,
.floating-whatsapp:active,
.modal-close:active,
.btn-icon:active {
  transform: scale(0.95) !important;
  transition: transform 80ms cubic-bezier(0.16, 1, 0.3, 1) !important;
}
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(8, 16, 30, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1500; 
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}
.modal-card {
  background-color: var(--color-white);
  width: 100%;
  max-width: 550px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: scale(0.94) translateY(16px);
  opacity: 0;
  transition: transform 380ms cubic-bezier(0.34, 1.56, 0.64, 1), opacity 300ms cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-backdrop.active .modal-card {
  transform: scale(1) translateY(0);
  opacity: 1;
}
.modal-header {
  padding: 20px 24px;
  border-bottom: 1.5px solid var(--color-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-header h3 {
  font-size: 1.5rem;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-primary);
}
.modal-close {
  background: transparent;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--color-gray);
  line-height: 1;
  transition: transform 250ms cubic-bezier(0.34, 1.56, 0.64, 1), color 150ms ease;
}
.modal-close:hover {
  color: var(--color-danger);
  transform: scale(1.15) rotate(90deg);
}
.modal-body {
  padding: 24px;
}
.modal-footer {
  padding: 16px 24px;
  background-color: var(--color-light);
  border-top: 1.5px solid var(--color-gray-light);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}
.product-popup-card {
  max-width: 760px;
  width: 90%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.product-popup-header {
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}
.product-popup-body {
  overflow-y: auto;
  padding: 24px;
  -webkit-overflow-scrolling: touch;
}
.product-popup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.product-popup-image-wrapper {
  background-color: #F8FAFC;
  border-radius: var(--radius-md);
  border: 1px solid rgba(15, 23, 42, 0.04);
  aspect-ratio: 4 / 3;
  position: relative;
  overflow: hidden;
  width: 100%;
}
.product-popup-image-wrapper img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  padding: 20px;
  box-sizing: border-box;
}
.product-popup-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.product-popup-title {
  font-size: 1.8rem;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-primary);
  margin: 12px 0 16px 0;
  line-height: 1.1;
}
.product-popup-desc h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-gray);
  margin-bottom: 6px;
  font-weight: 700;
}
.product-popup-desc p {
  font-size: 0.95rem;
  color: var(--color-secondary);
  line-height: 1.6;
}
.product-popup-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--color-light);
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}
.btn-cancel-popup {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-light);
  color: var(--color-gray);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}
.btn-cancel-popup:hover {
  background-color: var(--color-light);
  color: var(--color-primary);
}
.btn-wa-popup {
  background-color: #10B981;
  color: var(--color-white) !important;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-normal);
  text-decoration: none;
  border: none;
  cursor: pointer;
}
.btn-wa-popup:hover {
  background-color: #0D9488;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.30);
}
@media (max-width: 768px) {
  .product-popup-card {
    max-height: 92vh;
    width: calc(100% - 32px);
  }
  .product-popup-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .product-popup-image-wrapper {
    /* Tetap 4:3 agar proporsi terjaga, tidak melebar ke layar penuh */
    aspect-ratio: 4 / 3;
    max-height: 220px; /* Batasi tinggi maksimum agar tidak terlalu besar */
    border-radius: var(--radius-md);
  }
  .product-popup-title {
    font-size: 1.4rem;
  }
}
/* ===== PRODUCT POPUP: Small phone fix (≤480px) ===== */
@media (max-width: 480px) {
  .product-popup-card {
    max-height: 90vh;
    width: calc(100% - 16px);
    border-radius: var(--radius-md);
  }
  .product-popup-image-wrapper {
    /* Di HP sangat kecil, kurangi tinggi agar ada ruang untuk teks */
    max-height: 180px;
    aspect-ratio: 4 / 3;
  }
  .modal-backdrop {
    padding: 8px;
    align-items: center; /* Tetap di tengah layar di semua ukuran HP */
  }
  .product-popup-body {
    padding: 16px;
  }
  .product-popup-title {
    font-size: 1.25rem;
  }
  .modal-footer,
  .product-popup-footer {
    padding: 12px 16px;
  }
}