/* ============================================================
   PT YnW Multi Teknik Plastindo - Corporate Industrial Styling
   Clean, modern, responsive CSS without build dependencies
   ============================================================ */

:root {
  --navy-main: #102D50;
  --navy-dark: #0A1E36;
  --navy-deep: #071628;
  --navy-light: #1A4275;
  --orange-main: #F58220;
  --orange-hover: #E07316;
  --orange-light: #FFF7ED;
  --bg-slate: #F8FAFC;
  --border-color: #E2E8F0;
  --text-main: #1E293B;
  --text-muted: #64748B;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(16, 45, 80, 0.1), 0 4px 6px -4px rgba(16, 45, 80, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-main);
  background-color: #FFFFFF;
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

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

.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* ============================================================
   TOP BAR & HEADER
   ============================================================ */
.top-bar {
  background-color: var(--navy-main);
  color: #E2E8F0;
  font-size: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #34D399;
  border-radius: 50%;
  display: inline-block;
  margin-right: 0.35rem;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}

.top-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: #E2E8F0;
}

.top-link:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #FFFFFF;
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--border-color);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo img {
  height: 54px;
  width: auto;
  transition: transform 0.2s ease;
}

.nav-logo:hover img {
  transform: scale(1.02);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: #334155;
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
}

.nav-link:hover, .nav-link.active {
  color: var(--navy-main);
  background-color: #F1F5F9;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--orange-main);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.btn-outline-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: #FFFFFF;
  color: var(--navy-main);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-outline-dark:hover {
  background-color: #F1F5F9;
}

.btn-navy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--navy-main);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.hamburger-btn {
  display: none;
  background: #F8FAFC;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.65rem;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--navy-main);
  cursor: pointer;
  transition: all 0.2s ease;
}

.hamburger-btn:hover {
  background: #EDF2F7;
  border-color: var(--navy-light);
}

/* Mobile Drawer */
.mobile-menu {
  display: none;
  background-color: #FFFFFF;
  border-top: 1px solid var(--border-color);
  padding: 1rem 1.25rem 1.5rem 1.25rem;
  box-shadow: 0 16px 24px -8px rgba(16, 45, 80, 0.15);
  animation: mobileMenuSlide 0.2s ease-out;
}

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

.mobile-menu.open {
  display: block;
}

.mobile-nav-link {
  display: block;
  padding: 0.85rem 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--navy-main);
  border-bottom: 1px solid #F1F5F9;
  transition: all 0.2s ease;
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--orange-main);
  background-color: #FFF7ED;
  padding-left: 0.85rem;
  border-radius: 6px;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  background-color: var(--navy-main);
  color: #FFFFFF;
  padding: 4.5rem 0;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-amber {
  background-color: rgba(245, 158, 11, 0.15);
  color: #FCD34D;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-blue {
  background-color: rgba(59, 130, 246, 0.15);
  color: #93C5FD;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-orange {
  background-color: rgba(245, 130, 32, 0.15);
  color: var(--orange-main);
  border: 1px solid rgba(245, 130, 32, 0.3);
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 900;
  line-height: 1.15;
  margin: 1.25rem 0 1rem 0;
  letter-spacing: -0.5px;
}

.hero-title span {
  color: var(--orange-main);
}

.hero-desc {
  font-size: 1.05rem;
  color: #CBD5E1;
  line-height: 1.7;
  max-width: 620px;
  margin-bottom: 1.5rem;
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.feature-box {
  background-color: rgba(15, 23, 42, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #E2E8F0;
}

.hero-btns {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.hero-image-box {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  background-color: var(--navy-dark);
}

.hero-image-box img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.hero-image-box:hover img {
  transform: scale(1.03);
}

.hero-caption {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  background: rgba(10, 30, 54, 0.92);
  backdrop-filter: blur(8px);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* ============================================================
   SECTIONS & CARDS
   ============================================================ */
.section {
  padding: 5rem 0;
}

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

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 3.5rem auto;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--navy-main);
  margin-top: 0.75rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

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

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

.grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}

.grid-6 {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

/* Product Card */
.product-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(16, 45, 80, 0.25);
}

.product-img {
  width: 100%;
  height: 240px;
  background-color: #F1F5F9;
  overflow: hidden;
  position: relative;
}

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

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

.product-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background-color: rgba(16, 45, 80, 0.9);
  color: #FFFFFF;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.product-body {
  padding: 1.5rem;
  flex: 1;
}

.product-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--navy-main);
  margin-bottom: 0.35rem;
}

.product-tagline {
  font-size: 0.8125rem;
  color: var(--orange-main);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.product-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.product-list {
  list-style: none;
  font-size: 0.8125rem;
  color: #334155;
  border-top: 1px solid #F1F5F9;
  padding-top: 0.75rem;
}

.product-list li {
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.product-footer {
  padding: 1.5rem;
  padding-top: 0;
  display: flex;
  gap: 0.5rem;
}

/* Advantage Card */
.adv-card {
  background: #FFFFFF;
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}

.adv-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.adv-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: #EFF6FF;
  color: var(--orange-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.adv-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy-main);
  margin-bottom: 0.5rem;
}

.adv-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Step Card */
.step-card {
  background-color: var(--bg-slate);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  transition: all 0.2s ease;
}

.step-card:hover {
  background: #FFFFFF;
  border-color: var(--navy-main);
  box-shadow: var(--shadow-md);
}

.step-num {
  font-size: 2rem;
  font-weight: 900;
  color: #CBD5E1;
  margin-bottom: 0.75rem;
}

.step-card:hover .step-num {
  color: var(--orange-main);
}

.step-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy-main);
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Brand Badge */
.brand-badge {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 0.5rem;
  text-align: center;
  font-weight: 800;
  color: var(--navy-main);
  font-size: 1rem;
  letter-spacing: 0.5px;
  transition: all 0.2s ease;
}

.brand-badge:hover {
  color: var(--orange-main);
  border-color: var(--orange-main);
  transform: translateY(-2px);
}

/* CTA Card Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--navy-main) 0%, var(--navy-dark) 100%);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* ============================================================
   FORMS & INPUTS
   ============================================================ */
.form-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: #334155;
  margin-bottom: 0.35rem;
}

.form-label span.req {
  color: #EF4444;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-main);
  background-color: #FFFFFF;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--navy-main);
  box-shadow: 0 0 0 3px rgba(16, 45, 80, 0.1);
}

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

/* ============================================================
   FOOTER & FLOATING WHATSAPP
   ============================================================ */
.footer {
  background-color: var(--navy-dark);
  color: #CBD5E1;
  padding: 4.5rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 0.8fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-col-title {
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-links {
  list-style: none;
  font-size: 0.875rem;
}

.footer-links li {
  margin-bottom: 0.65rem;
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: #94A3B8;
  gap: 1rem;
}

.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 99;
  background-color: #059669;
  color: #FFFFFF;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  font-weight: 700;
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.whatsapp-float:hover {
  background-color: #047857;
  transform: translateY(-3px);
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.3);
}

/* ============================================================
   RESPONSIVE MEDIA QUERIES
   ============================================================ */

/* Utility Visibility Classes */
.hide-sm {
  display: inline-flex;
}
.show-sm {
  display: none;
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-5 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-6 {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .hide-sm {
    display: none !important;
  }
  .show-sm {
    display: block !important;
  }
  
  /* Top Bar */
  .top-bar-left {
    display: none;
  }
  .top-bar-right {
    margin-left: 0;
    width: 100%;
    justify-content: space-between;
    font-size: 0.725rem;
  }
  .top-bar-right .top-link {
    font-size: 0.725rem;
    white-space: nowrap;
  }

  /* Header & Navigation */
  .nav-content {
    padding: 0.65rem 0;
  }
  .nav-logo img {
    height: 46px;
  }
  .nav-menu {
    display: none;
  }
  .hamburger-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Typography */
  .hero-title {
    font-size: 1.85rem;
    line-height: 1.22;
  }
  .hero-desc {
    font-size: 0.925rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
  }
  .section-title {
    font-size: 1.65rem;
    line-height: 1.25;
  }
  .section-desc {
    font-size: 0.875rem;
  }

  /* Spacing */
  .section {
    padding: 3rem 0;
  }
  .hero {
    padding: 2.5rem 0 3rem 0;
  }
  .hero-features {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
  }
  .hero-btns {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }
  .hero-btns .btn-primary,
  .hero-btns .btn-secondary {
    width: 100%;
    justify-content: center;
    padding: 0.8rem 1.25rem;
  }

  /* Layout Grids */
  .grid-3, .grid-2, .grid-5, .grid-6, .footer-grid, .form-row {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  /* Product Cards on Mobile */
  .product-img {
    height: 200px;
  }
  .product-body {
    padding: 1.25rem;
  }
  .product-name {
    font-size: 1.15rem;
  }
  .product-footer {
    padding: 1.25rem;
    padding-top: 0;
    flex-direction: column;
    gap: 0.5rem;
  }
  .product-footer .btn-navy,
  .product-footer .btn-primary {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  /* Form Card on Mobile */
  .form-card {
    padding: 1.25rem;
  }

  /* Cards & General Containers */
  .adv-card, .step-card {
    padding: 1.25rem;
  }
  .cta-banner {
    padding: 2.5rem 1.25rem;
  }
  .cta-banner h2 {
    font-size: 1.5rem !important;
  }

  /* Inline Padded Boxes in Detail Pages */
  div[style*="padding: 2.5rem"],
  div[style*="padding:2.5rem"],
  div[style*="padding: 2rem"],
  div[style*="padding:2rem"] {
    padding: 1.25rem !important;
  }
  h1[style*="font-size: 2.5rem"],
  h1[style*="font-size:2.5rem"],
  h1[style*="font-size: 2.25rem"],
  h1[style*="font-size:2.25rem"] {
    font-size: 1.6rem !important;
    line-height: 1.25 !important;
  }

  /* Floating WhatsApp on Mobile: Compact Circular FAB Button */
  .whatsapp-float {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 52px;
    height: 52px;
    padding: 0;
    border-radius: 50%;
    justify-content: center;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  }
  .whatsapp-float span:last-child {
    display: none;
  }
  .whatsapp-float span:first-child {
    font-size: 1.6rem;
    line-height: 1;
  }
}

@media (max-width: 480px) {
  .top-bar {
    display: none; /* Keep mobile viewport clean */
  }
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .hero-title {
    font-size: 1.65rem;
  }
  .section-title {
    font-size: 1.45rem;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
}