/* ==============================================================
   Website Company Profile Perusahaan Manufaktur
   Style System - Sesuai PRD Seksi 5 & 7
   ============================================================== */

:root {
  --color-primary: #E15219;
  --color-primary-hover: #C24412;
  --color-primary-light: #FFF7ED;
  --color-dark: #1F2937;
  --color-dark-subtle: #4B5563;
  --color-darker: #111827;
  --color-light: #F5F5F5;
  --color-light-alt: #E5E7EB;
  --color-white: #FFFFFF;
  --color-border: #E5E7EB;
  --color-success: #10B981;
  --color-danger: #EF4444;
  
  --font-main: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --transition: all 0.25s ease-in-out;
  --container-max: 1200px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-white);
  color: var(--color-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.section {
  padding: 75px 0;
}

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

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

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Section Header */
.section-header {
  margin-bottom: 50px;
}
.section-subtitle {
  display: inline-block;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
  position: relative;
}
.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.25;
  margin-bottom: 15px;
}
.section-dark .section-title {
  color: var(--color-white);
}
.section-description {
  font-size: 1.05rem;
  color: var(--color-dark-subtle);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
.section-dark .section-description {
  color: #9CA3AF;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.2;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white) !important;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(225, 82, 25, 0.3);
}

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

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

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}
.btn-lg {
  padding: 15px 34px;
  font-size: 1.05rem;
}

/* ==============================================================
   Header & Sticky Navigation
   ============================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow 0.3s ease;
}
.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-logo-img {
  height: 48px;
  width: auto;
}
.brand-text-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: -0.5px;
}
.brand-text-name span {
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 28px;
}
.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-dark);
  padding: 8px 0;
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2.5px;
  background-color: var(--color-primary);
}

.header-action {
  display: flex;
  align-items: center;
  gap: 15px;
}

.hamburger-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-dark);
}
.hamburger-btn svg {
  width: 28px;
  height: 28px;
}

/* ==============================================================
   Hero Section
   ============================================================== */
.hero-section {
  position: relative;
  background-color: var(--color-darker);
  background-size: cover;
  background-position: center;
  color: var(--color-white);
  padding: 110px 0;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(17, 24, 39, 0.92) 0%, rgba(31, 41, 55, 0.85) 60%, rgba(225, 82, 25, 0.3) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(225, 82, 25, 0.2);
  border: 1px solid rgba(225, 82, 25, 0.4);
  color: #FDBA74;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.hero-title {
  font-size: 3.1rem;
  font-weight: 800;
  line-height: 1.18;
  margin-bottom: 20px;
  color: var(--color-white);
}
.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.65;
  color: #D1D5DB;
  margin-bottom: 35px;
}
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

/* ==============================================================
   Key Numbers / Angka Kunci
   ============================================================== */
.stats-bar {
  background-color: var(--color-white);
  margin-top: -45px;
  position: relative;
  z-index: 10;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  padding: 35px 25px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat-item {
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -10px;
  top: 15%;
  height: 70%;
  width: 1px;
  background-color: var(--color-border);
}
.stat-number {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-dark-subtle);
}

/* ==============================================================
   Ringkasan Tentang (About Summary on Home)
   ============================================================== */
.about-summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.about-img-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}
.about-experience-badge {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 15px 22px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  box-shadow: var(--shadow-md);
}
.about-experience-badge .num {
  font-size: 2rem;
  line-height: 1;
}

/* ==============================================================
   Card Grids: Layanan, Project, Blog, Tim
   ============================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 30px;
}
.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}
.service-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--color-light);
}
.service-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.service-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-dark);
}
.service-card-text {
  font-size: 0.95rem;
  color: var(--color-dark-subtle);
  margin-bottom: 20px;
  flex: 1;
}

/* Project Cards */
.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}
.filter-btn {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-dark);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}
.project-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.project-card-thumb {
  position: relative;
  height: 240px;
  overflow: hidden;
}
.project-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.project-card:hover .project-card-thumb img {
  transform: scale(1.05);
}
.project-category-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.project-card-body {
  padding: 24px;
}
.project-card-meta {
  font-size: 0.85rem;
  color: var(--color-dark-subtle);
  margin-bottom: 8px;
  display: flex;
  gap: 15px;
}
.project-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-dark);
}

/* Blog Cards */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 30px;
}
.blog-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.blog-card-img {
  height: 210px;
  width: 100%;
  object-fit: cover;
}
.blog-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.blog-card-meta {
  display: flex;
  gap: 15px;
  font-size: 0.85rem;
  color: var(--color-dark-subtle);
  margin-bottom: 10px;
}
.blog-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 12px;
  color: var(--color-dark);
}
.blog-card-excerpt {
  font-size: 0.95rem;
  color: var(--color-dark-subtle);
  margin-bottom: 20px;
  flex: 1;
}

/* Team Grid */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 30px;
}
.team-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-align: center;
  transition: var(--transition);
}
.team-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}
.team-photo {
  width: 100%;
  height: 300px;
  object-fit: cover;
  background-color: var(--color-light);
}
.team-info {
  padding: 22px;
}
.team-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 4px;
}
.team-position {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.team-bio {
  font-size: 0.9rem;
  color: var(--color-dark-subtle);
  margin-bottom: 16px;
}

/* ==============================================================
   Banner CTA (Seksi 7.2)
   ============================================================== */
.cta-banner {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 70px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.cta-banner-title {
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 15px;
}
.cta-banner-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 680px;
  margin: 0 auto 30px auto;
}
.cta-banner .btn-outline-white {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}
.cta-banner .btn-outline-white:hover {
  background-color: transparent;
  color: var(--color-white) !important;
}

/* ==============================================================
   Detail Page Components (Layanan, Project, Blog)
   ============================================================== */
.page-header {
  background-color: var(--color-light);
  padding: 55px 0 45px 0;
  border-bottom: 1px solid var(--color-border);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--color-dark-subtle);
  margin-bottom: 12px;
}
.page-title {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-dark);
}

.detail-layout {
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 50px;
}
.detail-main-img {
  width: 100%;
  max-height: 460px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 30px;
  border: 1px solid var(--color-border);
}
.rich-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #374151;
}
.rich-content p {
  margin-bottom: 20px;
}
.rich-content h2, .rich-content h3, .rich-content h4 {
  color: var(--color-dark);
  font-weight: 700;
  margin-top: 30px;
  margin-bottom: 14px;
}
.rich-content ul, .rich-content ol {
  margin-left: 24px;
  margin-bottom: 20px;
}
.rich-content li {
  margin-bottom: 8px;
}

/* Sidebar Widgets */
.detail-sidebar {
  display: flex;
  flex-direction: column;
  gap: 30px;
}
.sidebar-box {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.sidebar-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
  color: var(--color-dark);
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 15px;
  margin-top: 25px;
}
.gallery-item {
  border-radius: var(--radius-sm);
  overflow: hidden;
  height: 150px;
  border: 1px solid var(--color-border);
  cursor: pointer;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.gallery-item:hover img {
  transform: scale(1.08);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 50px;
}
.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  color: var(--color-dark);
  font-weight: 600;
  text-decoration: none;
}
.page-btn:hover, .page-btn.active {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ==============================================================
   Footer (Seksi 7.1)
   ============================================================== */
.site-footer {
  background-color: var(--color-darker);
  color: #9CA3AF;
  padding: 75px 0 25px 0;
  border-top: 4px solid var(--color-primary);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 40px;
  margin-bottom: 50px;
}
.footer-title {
  color: var(--color-white);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 2px;
  background-color: var(--color-primary);
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: #9CA3AF;
  font-size: 0.95rem;
}
.footer-links a:hover {
  color: var(--color-primary);
  padding-left: 5px;
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.95rem;
}
.footer-contact-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}
.footer-social-links {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}
.social-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background-color: #374151;
  color: var(--color-white);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.social-icon-btn:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.footer-bottom {
  padding-top: 25px;
  border-top: 1px solid #374151;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
}

/* ==============================================================
   Floating WhatsApp Button (Seksi 7.1)
   ============================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background-color: #25D366;
  color: var(--color-white);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.45);
  z-index: 999;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.floating-whatsapp svg {
  width: 34px;
  height: 34px;
  fill: currentColor;
}
.floating-whatsapp:hover {
  transform: scale(1.1);
  color: var(--color-white);
}
.floating-whatsapp::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid #25D366;
  animation: pulse-ring 2s infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* Alerts */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.alert-success {
  background-color: #DEF7EC;
  color: #03543F;
  border: 1px solid #BCF0DA;
}
.alert-danger {
  background-color: #FDE8E8;
  color: #9B1C1C;
  border: 1px solid #FBD5D5;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .hero-title { font-size: 2.4rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .stat-item:nth-child(2)::after { display: none; }
  .about-summary-grid { grid-template-columns: 1fr; }
  .detail-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  
  .hamburger-btn { display: block; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    flex-direction: column;
    padding: 20px;
    border-bottom: 2px solid var(--color-primary);
    box-shadow: var(--shadow-lg);
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-link.active::after { display: none; }
}

@media (max-width: 640px) {
  .section { padding: 50px 0; }
  .section-title { font-size: 1.8rem; }
  .hero-title { font-size: 2rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item::after { display: none !important; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .hero-buttons { flex-direction: column; width: 100%; }
  .hero-buttons .btn { width: 100%; }
}