/* ==========================================================================
   PT TRI SATYA PRATAMA - Corporate Website Stylesheet
   Modern Industrial & Engineering Theme (Inspired by Flowserve & KGB Benchmark)
   ========================================================================== */

:root {
  /* Primary Industrial Palette */
  --color-primary-dark: #0b192c;
  --color-primary: #1e3e62;
  --color-primary-light: #2c5282;
  
  /* Accent & Highlight Colors */
  --color-accent: #008170;
  --color-accent-hover: #005a4e;
  --color-cyan: #0284c7;
  --color-cyan-light: #e0f2fe;
  --color-gold: #f59e0b;
  --color-gold-hover: #d97706;
  
  /* Neutral Palette */
  --color-text-main: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-bg-light: #f8fafc;
  --color-bg-alt: #f1f5f9;
  --color-border: #e2e8f0;
  --color-border-focus: #008170;
  --color-white: #ffffff;
  
  /* Status Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;

  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Spacing & Layout */
  --container-width: 1240px;
  --header-height: 80px;
  --topbar-height: 42px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Shadow Elevation */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 25px -3px rgba(15, 23, 42, 0.12), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 20px 35px -5px rgba(15, 23, 42, 0.18);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text-main);
  background-color: var(--color-bg-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  font-weight: 700;
  line-height: 1.25;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background-color: var(--color-cyan-light);
  color: var(--color-cyan);
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-tag i {
  font-size: 0.85rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 680px;
  margin-bottom: 36px;
}

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

.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #008170 0%, #0284c7 100%);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(0, 129, 112, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 129, 112, 0.45);
  color: var(--color-white);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
  border: 1.5px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: #f8fafc;
}

.btn-gold {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.8);
}

.btn-outline-white:hover {
  background: var(--color-white);
  color: var(--color-primary-dark);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1.05rem;
}

/* ==========================================================================
   Top Information Bar
   ========================================================================== */
.topbar {
  background-color: var(--color-primary-dark);
  color: #cbd5e1;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 0;
}

.topbar-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.topbar-info {
  display: flex;
  align-items: center;
  gap: 24px;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.topbar-item i {
  color: #38bdf8;
}

.topbar-item a:hover {
  color: var(--color-white);
}

.topbar-badge {
  background: rgba(2, 132, 199, 0.2);
  color: #38bdf8;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.topbar-social {
  display: flex;
  align-items: center;
  gap: 14px;
}

.topbar-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  color: #cbd5e1;
  transition: all var(--transition-fast);
}

.topbar-social a:hover {
  background: var(--color-cyan);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  background-color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-img {
  height: 56px;
  width: auto;
  max-width: 300px;
  display: block;
  transition: transform var(--transition-fast);
}

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

.footer-logo-img {
  height: 44px;
  width: auto;
  max-width: 240px;
  display: block;
  margin-bottom: 16px;
}

.brand-symbol {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #0b192c 0%, #008170 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 900;
  font-size: 1.3rem;
  letter-spacing: -1px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  line-height: 1.15;
  letter-spacing: -0.3px;
}

.brand-sub {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-primary-dark);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-accent);
  background-color: rgba(0, 129, 112, 0.08);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 0;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 100;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-main);
  transition: all var(--transition-fast);
}

.dropdown-item i {
  font-size: 0.95rem;
  color: var(--color-accent);
  width: 18px;
}

.dropdown-item:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-accent);
  padding-left: 24px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-trigger-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-bg-alt);
  color: var(--color-text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.search-trigger-btn:hover {
  background: var(--color-cyan-light);
  color: var(--color-cyan);
}

.mobile-toggle {
  display: none;
  background: none;
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  cursor: pointer;
  padding: 6px;
}

/* ==========================================================================
   Hero Section & Slider
   ========================================================================== */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #0b192c 0%, #1e3e62 100%);
  color: var(--color-white);
  padding: 90px 0 100px;
  overflow: hidden;
}

.hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.6;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 129, 112, 0.3) 0%, rgba(2, 132, 199, 0) 70%);
  top: -150px;
  right: -100px;
  border-radius: var(--radius-full);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: #38bdf8;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-title span {
  background: linear-gradient(135deg, #38bdf8 0%, #2dd4bf 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #cbd5e1;
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.stat-item h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-item p {
  font-size: 0.825rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.hero-card-preview {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 30px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-xl);
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.preview-pill {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 6px;
}

.preview-pill::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: #34d399;
  border-radius: 50%;
  box-shadow: 0 0 8px #34d399;
}

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

.tech-spec-item {
  background: rgba(15, 23, 42, 0.4);
  padding: 14px;
  border-radius: var(--radius-md);
  border-left: 3px solid #38bdf8;
}

.tech-spec-item .label {
  font-size: 0.75rem;
  color: #94a3b8;
  display: block;
  text-transform: uppercase;
  font-weight: 600;
}

.tech-spec-item .value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-white);
  margin-top: 4px;
}

.interactive-badge-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(2, 132, 199, 0.15);
  border: 1px dashed rgba(56, 189, 248, 0.4);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: #e0f2fe;
}

/* ==========================================================================
   Partners & Flowserve Verification Banner
   ========================================================================== */
.brand-strip {
  background-color: var(--color-white);
  padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
}

.brand-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.brand-strip-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.brand-logos-row {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.partner-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.1rem;
  letter-spacing: 0.5px;
}

.partner-tag i {
  color: var(--color-accent);
  font-size: 1.3rem;
}

/* ==========================================================================
   Company Profile / About Section
   ========================================================================== */
.about-section {
  padding: 90px 0;
  background-color: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.about-image-stack {
  position: relative;
}

.about-main-card {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.about-main-card::after {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 150px;
  height: 150px;
  background: rgba(0, 129, 112, 0.2);
  border-radius: 50%;
}

.seal-icon-box {
  width: 64px;
  height: 64px;
  background: rgba(2, 132, 199, 0.2);
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #38bdf8;
  margin-bottom: 24px;
}

.about-badge-float {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--color-white);
  color: var(--color-primary-dark);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 14px;
}

.about-badge-float .badge-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.about-badge-float .badge-text {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-muted);
  line-height: 1.2;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 30px 0;
}

.feature-box {
  display: flex;
  gap: 14px;
}

.feature-icon {
  width: 42px;
  height: 42px;
  background: var(--color-cyan-light);
  color: var(--color-cyan);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.feature-content h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.feature-content p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Product Catalog & Categories Section (Benchmark with KGB & Flowserve)
   ========================================================================== */
.products-section {
  padding: 90px 0;
  background-color: var(--color-bg-alt);
}

.product-tabs-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 10px;
}

.product-tab {
  padding: 10px 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.product-tab:hover, .product-tab.active {
  background: var(--color-primary-dark);
  color: var(--color-white);
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 12px rgba(11, 25, 44, 0.2);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 28px;
}

.product-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-accent);
}

.product-card-visual {
  height: 220px;
  background: linear-gradient(135deg, #102a43 0%, #243b53 100%);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow: hidden;
}

.product-card-visual svg, .product-card-visual img {
  max-height: 170px;
  max-width: 90%;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.3));
  transition: transform var(--transition-normal);
}

.product-card:hover .product-card-visual svg, .product-card-visual img {
  transform: scale(1.06);
}

.product-tag-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(0, 129, 112, 0.9);
  color: var(--color-white);
  font-size: 0.725rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-standard-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(15, 23, 42, 0.75);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.product-card-body {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-category-name {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.product-title {
  font-size: 1.25rem;
  font-weight: 750;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  line-height: 1.3;
}

.product-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
}

.product-specs-list {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 20px;
  font-size: 0.825rem;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px solid var(--color-border);
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-row .spec-name {
  color: var(--color-text-muted);
}

.spec-row .spec-val {
  font-weight: 600;
  color: var(--color-primary-dark);
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.product-btn-quote {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: gap var(--transition-fast);
}

.product-btn-quote:hover {
  gap: 10px;
  color: var(--color-accent-hover);
}

/* ==========================================================================
   Interactive API 682 Mechanical Seal & Piping Plan Quick Selector
   (A specialized high-converting engineering tool!)
   ========================================================================== */
.seal-selector-section {
  padding: 85px 0;
  background: linear-gradient(135deg, #0b192c 0%, #172554 100%);
  color: var(--color-white);
  position: relative;
}

.selector-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-xl);
  margin-top: 30px;
}

.selector-form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 30px;
}

.select-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.select-group label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #94a3b8;
  letter-spacing: 0.5px;
}

.select-group select {
  background-color: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.select-group select:focus {
  border-color: #38bdf8;
  outline: none;
}

.selector-result-card {
  background: rgba(2, 132, 199, 0.12);
  border: 1.5px solid rgba(56, 189, 248, 0.4);
  border-radius: var(--radius-md);
  padding: 24px;
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 28px;
  align-items: center;
}

.result-main h4 {
  font-size: 1.3rem;
  color: #38bdf8;
  margin-bottom: 8px;
}

.result-main p {
  font-size: 0.925rem;
  color: #e2e8f0;
  line-height: 1.6;
  margin-bottom: 16px;
}

.result-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.result-pill {
  background: rgba(255, 255, 255, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--color-white);
  font-weight: 600;
}

/* ==========================================================================
   Services & Quick Response Center (QRC)
   ========================================================================== */
.services-section {
  padding: 90px 0;
  background-color: var(--color-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-cyan);
  background-color: var(--color-white);
}

.service-icon-box {
  width: 60px;
  height: 60px;
  background: var(--color-cyan-light);
  color: var(--color-cyan);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 22px;
  transition: all var(--transition-fast);
}

.service-card:hover .service-icon-box {
  background: var(--color-cyan);
  color: var(--color-white);
}

.service-title {
  font-size: 1.25rem;
  font-weight: 750;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.service-bullets {
  margin-bottom: 24px;
}

.service-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--color-text-main);
  margin-bottom: 8px;
}

.service-bullets li i {
  color: var(--color-success);
  margin-top: 4px;
  font-size: 0.8rem;
}

/* ==========================================================================
   Industries We Serve (Oil & Gas, Palm Oil, Petrochem, etc.)
   ========================================================================== */
.industries-section {
  padding: 85px 0;
  background-color: var(--color-bg-alt);
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.industry-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition-fast);
}

.industry-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.industry-icon {
  width: 52px;
  height: 52px;
  background: rgba(0, 129, 112, 0.1);
  color: var(--color-accent);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin: 0 auto 16px;
}

.industry-card h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.industry-card p {
  font-size: 0.825rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Why Choose PT Tri Satya Pratama (Value Proposition)
   ========================================================================== */
.why-section {
  padding: 90px 0;
  background-color: var(--color-white);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.why-reasons {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.why-reason-item {
  display: flex;
  gap: 18px;
  background: var(--color-bg-light);
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.why-reason-item:hover {
  border-color: var(--color-accent);
  background: var(--color-white);
  box-shadow: var(--shadow-md);
}

.why-num {
  width: 44px;
  height: 44px;
  background: var(--color-primary-dark);
  color: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  flex-shrink: 0;
}

.why-content h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.why-content p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* KGB-Benchmark Interactive Accordion ("Mengapa Memilih Kami") */
.kgb-accordion {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.accordion-item {
  background: var(--color-bg-light);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.accordion-item:hover {
  border-color: var(--color-accent);
}

.accordion-item.active {
  background: var(--color-white);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  background: none;
  cursor: pointer;
  text-align: left;
  user-select: none;
  transition: background var(--transition-fast);
}

.accordion-header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.accordion-num {
  width: 36px;
  height: 36px;
  background: var(--color-primary-dark);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.accordion-item.active .accordion-num {
  background: var(--color-accent);
}

.accordion-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  transition: color var(--transition-fast);
}

.accordion-item.active .accordion-title {
  color: var(--color-accent);
}

.accordion-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: transform var(--transition-normal), background var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
}

.accordion-item.active .accordion-icon {
  background: var(--color-accent);
  color: var(--color-white);
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.3s ease;
  opacity: 0;
}

.accordion-item.active .accordion-body {
  max-height: 450px;
  opacity: 1;
}

.accordion-body-inner {
  padding: 0 22px 20px 74px;
  color: var(--color-text-muted);
  font-size: 0.925rem;
  line-height: 1.7;
}

.accordion-body-inner ul {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.accordion-body-inner li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-main);
  font-size: 0.875rem;
}

.accordion-body-inner li i {
  color: var(--color-accent);
  font-size: 0.85rem;
}

/* Table Responsive Helper */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

/* ==========================================================================
   Call to Action (CTA) Banner
   ========================================================================== */
.cta-banner-section {
  padding: 70px 0;
  background: linear-gradient(135deg, #008170 0%, #1e3e62 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.cta-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
}

.cta-banner-content h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 10px;
}

.cta-banner-content p {
  font-size: 1.05rem;
  color: #e0f2fe;
  max-width: 620px;
}

.cta-banner-buttons {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #94a3b8;
  padding: 80px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h5 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 22px;
  position: relative;
}

.footer-col h5::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-cyan);
}

.footer-about p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
  color: #cbd5e1;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: #94a3b8;
  transition: all var(--transition-fast);
}

.footer-links a i {
  font-size: 0.75rem;
  color: var(--color-cyan);
}

.footer-links a:hover {
  color: var(--color-white);
  padding-left: 6px;
}

.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.875rem;
}

.footer-contact-item i {
  color: #38bdf8;
  margin-top: 4px;
  font-size: 1rem;
}

.footer-bottom {
  padding: 24px 0;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a:hover {
  color: var(--color-white);
}

/* ==========================================================================
   Floating Action Buttons (WhatsApp & Quick Quote)
   ========================================================================== */
.floating-actions {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.btn-float-wa {
  width: 54px;
  height: 54px;
  background: #25d366;
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  transition: all var(--transition-fast);
}

.btn-float-wa:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
  color: var(--color-white);
}

.btn-scroll-top {
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.btn-scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.btn-scroll-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* ==========================================================================
   Modal Dialogs (Get a Quote & Search)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 25, 44, 0.7);
  backdrop-filter: blur(5px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

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

.modal-content {
  background-color: var(--color-white);
  width: 100%;
  max-width: 650px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px);
  transition: transform var(--transition-normal);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-header {
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  color: var(--color-white);
  font-size: 1.25rem;
}

.modal-close-btn {
  background: none;
  color: #94a3b8;
  font-size: 1.4rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--color-white);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-light);
  color: var(--color-text-main);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  background: var(--color-white);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Mobile Offcanvas Menu */
.offcanvas-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100%;
  background-color: var(--color-white);
  box-shadow: var(--shadow-xl);
  z-index: 1500;
  transition: right var(--transition-normal);
  padding: 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.offcanvas-drawer.open {
  right: 0;
}

.offcanvas-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 20px;
}

.offcanvas-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.offcanvas-nav a {
  padding: 12px 14px;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  color: var(--color-primary-dark);
}

.offcanvas-nav a:hover, .offcanvas-nav a.active {
  background: var(--color-bg-alt);
  color: var(--color-accent);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .why-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .topbar {
    display: none;
  }
  
  .main-nav {
    display: none;
  }

  .header-actions .btn {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }

  .brand-logo-img {
    height: 48px;
    max-width: 220px;
  }
  
  .hero-section {
    padding: 60px 0 70px;
  }

  .hero-title {
    font-size: 2.1rem;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .selector-form-grid {
    grid-template-columns: 1fr;
  }
  
  .selector-result-card {
    grid-template-columns: 1fr;
    text-align: left;
    gap: 16px;
  }

  .selector-result-card > div:last-child {
    text-align: left !important;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .about-features {
    grid-template-columns: 1fr;
  }
  
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  
  .form-row-2 {
    grid-template-columns: 1fr;
  }
  
  .brand-logos-row {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .cta-banner-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .accordion-body-inner {
    padding: 0 18px 18px 18px;
  }

  .accordion-header {
    padding: 14px 16px;
  }
}

@media (max-width: 480px) {
  .brand-logo-img {
    height: 40px;
    max-width: 180px;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .btn-lg {
    padding: 12px 20px;
    font-size: 0.95rem;
    width: 100%;
    justify-content: center;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }

  .hero-cta-group .btn {
    width: 100%;
    justify-content: center;
  }

  .product-tabs-wrapper {
    overflow-x: auto;
    white-space: nowrap;
    justify-content: flex-start;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .product-tab {
    padding: 8px 16px;
    font-size: 0.85rem;
  }

  .modal-content {
    padding: 22px 16px;
    width: 95%;
  }

  .btn-float-wa {
    width: 50px;
    height: 50px;
    font-size: 1.4rem;
    bottom: 20px;
    right: 20px;
  }

  .btn-scroll-top {
    width: 40px;
    height: 40px;
    font-size: 0.9rem;
    bottom: 80px;
    right: 25px;
  }
}

/* Light Background for Product Images */
.product-card-visual.visual-light {
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
}
.product-card-visual.visual-light img {
  max-height: 140px;
  margin-top: 24px;
  mix-blend-mode: multiply;
  filter: none;
  width: auto;
  object-fit: contain;
}
.product-card:hover .product-card-visual.visual-light img {
  transform: scale(1.05);
}

/* Seal Carousel Animations */
.seal-slide {
  animation: sealFadeAnim 1s ease-in-out;
}
@keyframes sealFadeAnim {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

/* QRC Carousel Animations */
.qrc-slide {
  animation: qrcFadeAnim 1s ease-in-out;
}
@keyframes qrcFadeAnim {
  from { opacity: 0; }
  to { opacity: 1; }
}