/* ==========================================================================
   PRIMA PRINTING - CUSTOM DESIGN SYSTEM & STYLESHEET
   Brand: B2B Printing & Packaging Specialist (PT Putra Inovasi Utama)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  /* Brand Color Palette */
  --prima-primary: #7F191B;
  --prima-primary-dark: #5A0E13;
  --prima-primary-light: #9E2225;
  --prima-gradient: linear-gradient(135deg, #5A0E13 0%, #7F191B 50%, #9E2225 100%);
  --prima-gradient-gold: linear-gradient(135deg, #D4AF37 0%, #F59E0B 100%);
  
  /* Neutral Slate Palette */
  --prima-slate-900: #0F172A;
  --prima-slate-800: #1E293B;
  --prima-slate-700: #334155;
  --prima-slate-600: #475569;
  --prima-slate-500: #64748B;
  --prima-slate-200: #E2E8F0;
  --prima-slate-100: #F1F5F9;
  --prima-slate-50: #F8FAFC;
  --prima-white: #FFFFFF;
  
  /* Status & Accents */
  --prima-accent-gold: #D4AF37;
  --prima-accent-emerald: #10B981;
  --prima-accent-blue: #2563EB;
  
  /* Typography */
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Shadows & Elevation */
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 32px -8px rgba(127, 25, 27, 0.12);
  --shadow-xl: 0 24px 48px -12px rgba(15, 23, 42, 0.18);
  
  /* Radii & Transitions */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Reset & Smooth Scroll */
html {
  scroll-behavior: smooth;
  box-sizing: border-box;
}

*, *:before, *:after {
  box-sizing: inherit;
}

body {
  font-family: var(--font-body);
  color: var(--prima-slate-700);
  background-color: var(--prima-slate-50);
  line-height: 1.6;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--prima-slate-900);
  font-weight: 700;
  line-height: 1.25;
  margin-top: 0;
}

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

a:hover {
  color: var(--prima-primary-dark);
}

/* Custom Selection */
::selection {
  background: var(--prima-primary);
  color: #fff;
}

/* ==========================================================================
   TOPBAR & HEADER NAVIGATION (GLASSMORPHISM)
   ========================================================================== */

.prima-topbar {
  background-color: var(--prima-slate-900);
  color: var(--prima-slate-200);
  font-size: 0.85rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.prima-topbar a {
  color: var(--prima-slate-200);
}
.prima-topbar a:hover {
  color: var(--prima-accent-gold);
}

.prima-navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: var(--transition-normal);
  padding: 10px 0;
}

.prima-navbar.sticky-top {
  box-shadow: var(--shadow-md);
}

/* Custom High Visibility Mobile Hamburg Button */
.navbar-toggler {
  border: 2px solid var(--prima-primary) !important;
  padding: 8px 12px !important;
  border-radius: var(--radius-sm) !important;
  background-color: rgba(127, 25, 27, 0.08) !important;
  outline: none !important;
  box-shadow: none !important;
  transition: var(--transition-fast);
}

.navbar-toggler:hover,
.navbar-toggler:focus {
  background-color: var(--prima-primary) !important;
  box-shadow: 0 0 0 4px rgba(127, 25, 27, 0.2) !important;
}

.navbar-toggler-icon {
  width: 1.5em !important;
  height: 1.5em !important;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(127, 25, 27, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.8' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
  transition: var(--transition-fast);
}

.navbar-toggler:hover .navbar-toggler-icon,
.navbar-toggler:focus .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.8' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.prima-brand-logo {
  height: 65px;
  max-height: 75px;
  width: auto;
  object-fit: contain;
  transition: var(--transition-fast);
}

.prima-brand-logo:hover {
  transform: scale(1.02);
}

.nav-link.prima-nav-item {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--prima-slate-800) !important;
  padding: 8px 16px !important;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.nav-link.prima-nav-item:hover,
.nav-link.prima-nav-item.active {
  color: var(--prima-primary) !important;
  background-color: rgba(127, 25, 27, 0.06);
}

/* Buttons */
.btn-prima-primary {
  background: var(--prima-gradient);
  color: var(--prima-white) !important;
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  border: none;
  box-shadow: var(--shadow-md);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-normal);
}

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

.btn-prima-outline {
  background: transparent;
  color: var(--prima-primary) !important;
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 11px 25px;
  border-radius: var(--radius-pill);
  border: 2px solid var(--prima-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-normal);
}

.btn-prima-outline:hover {
  background: var(--prima-primary);
  color: var(--prima-white) !important;
  transform: translateY(-2px);
}

.btn-prima-wa {
  background: #25D366;
  color: #FFFFFF !important;
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  border: none;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-normal);
}

.btn-prima-wa:hover {
  background: #20BA5A;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(37, 211, 102, 0.4);
}

/* ==========================================================================
   HERO SECTION (SPLIT MODERN B2B)
   ========================================================================== */

.prima-hero {
  position: relative;
  padding: 80px 0 100px;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--prima-slate-50) 100%);
  overflow: hidden;
}

.prima-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(127, 25, 27, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(127, 25, 27, 0.08);
  color: var(--prima-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
  border: 1px solid rgba(127, 25, 27, 0.15);
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--prima-slate-900);
  margin-bottom: 20px;
}

.hero-title span {
  background: var(--prima-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--prima-slate-600);
  margin-bottom: 32px;
  max-width: 560px;
}

.hero-stats {
  display: flex;
  gap: 24px;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--prima-slate-200);
}

.stat-item h4 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--prima-primary);
  margin: 0;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--prima-slate-500);
  margin: 0;
  font-weight: 500;
}

.hero-image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid #FFFFFF;
}

.hero-image-card img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
}

.floating-trust-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(226, 232, 240, 0.8);
}

.trust-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.12);
  color: var(--prima-accent-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

/* ==========================================================================
   CARDS & CATEGORIES (MODERN UI)
   ========================================================================== */

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-tag {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--prima-primary);
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--prima-slate-900);
}

.prima-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 30px;
  border: 1px solid var(--prima-slate-200);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.prima-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(127, 25, 27, 0.2);
}

.card-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(127, 25, 27, 0.08);
  color: var(--prima-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 20px;
  transition: var(--transition-fast);
}

.prima-card:hover .card-icon-wrapper {
  background: var(--prima-primary);
  color: #FFFFFF;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.card-text {
  color: var(--prima-slate-600);
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

/* Category Product Showcase Cards */
.product-card {
  position: relative;
  background: #FFFFFF;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--prima-slate-200);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

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

.product-thumb {
  position: relative;
  height: 240px;
  overflow: hidden;
}

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

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

.product-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.product-content {
  padding: 24px;
}

.product-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-desc {
  font-size: 0.9rem;
  color: var(--prima-slate-600);
  margin-bottom: 16px;
}

/* ==========================================================================
   PORTFOLIO FILTERABLE GALLERY
   ========================================================================== */

.portfolio-filter-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  background: #FFFFFF;
  border: 1px solid var(--prima-slate-200);
  color: var(--prima-slate-700);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.portfolio-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-sm);
  background: #FFFFFF;
  border: 1px solid var(--prima-slate-200);
}

.portfolio-item img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0) 20%, rgba(15, 23, 42, 0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  opacity: 0;
  transition: var(--transition-fast);
}

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

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h5 {
  color: #FFFFFF;
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.portfolio-overlay p {
  color: var(--prima-slate-200);
  font-size: 0.85rem;
  margin: 0;
}

/* Modal Lightbox */
.prima-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.prima-lightbox.show {
  display: flex;
}

.lightbox-content {
  max-width: 90%;
  max-height: 85vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  color: #FFFFFF;
  font-size: 2rem;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.2);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   PAGE HEADER BANNER (SUB-PAGES)
   ========================================================================== */

.prima-page-header {
  background: linear-gradient(135deg, var(--prima-slate-900) 0%, var(--prima-primary-dark) 100%);
  color: #FFFFFF;
  padding: 70px 0;
  text-align: center;
  position: relative;
}

.prima-page-header h1 {
  color: #FFFFFF;
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.prima-breadcrumb {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-size: 0.9rem;
  color: var(--prima-slate-200);
}

.prima-breadcrumb a {
  color: var(--prima-accent-gold);
}

/* ==========================================================================
   FLOATING WHATSAPP WIDGET
   ========================================================================== */

.floating-wa-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  background: #25D366;
  color: #FFFFFF;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition-normal);
  text-decoration: none !important;
}

.floating-wa-btn:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 15px 30px rgba(37, 211, 102, 0.5);
  color: #FFFFFF;
}

.wa-pulse {
  width: 10px;
  height: 10px;
  background: #FFFFFF;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
  animation: pulse 1.6s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 10px rgba(255, 255, 255, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
  }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.prima-footer {
  background-color: var(--prima-slate-900);
  color: var(--prima-slate-200);
  padding: 70px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.prima-footer h5 {
  color: #FFFFFF;
  font-size: 1.15rem;
  margin-bottom: 24px;
}

.prima-footer p {
  color: var(--prima-slate-400);
  font-size: 0.9rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-links a {
  color: var(--prima-slate-400);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--prima-accent-gold);
  padding-left: 4px;
}

.footer-bottom {
  margin-top: 50px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: var(--prima-slate-500);
  text-align: center;
}

/* Responsive Media Queries */
@media (max-width: 991.98px) {
  .hero-title {
    font-size: 2.25rem;
  }
  .prima-hero {
    padding: 50px 0 60px;
  }
  .hero-image-card img {
    height: 350px;
  }
  .prima-brand-logo {
    height: 52px;
    max-height: 58px;
  }
  .navbar-collapse {
    background: #FFFFFF;
    padding: 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    margin-top: 14px;
    border: 1px solid var(--prima-slate-200);
  }
}