/* ==========================================================================
   PT OMNIALIS ENERGI TERBARUKAN - INSTITUTIONAL DESIGN SYSTEM
   Standard: International Commodity Trading & Banking Grade B2B Presence
   Palette: Executive Corporate Navy, Forest Green, Clean White & Technical Slate
   Typography: Plus Jakarta Sans (Headings/Body) & JetBrains Mono (Data/Specs)
   ========================================================================== */

:root {
  /* ------------------------------------------------------------------------
     1. INSTITUTIONAL COLOR PALETTE
     ------------------------------------------------------------------------ */
  /* Corporate Navy (Authority, Bankability, Global Export) */
  --color-navy-dark: #0a192f;
  --color-navy: #0f294a;
  --color-navy-light: #1e3a8a;
  --color-navy-accent: #2563eb;

  /* Forest Green (Sustainable Energy, Biomassa Terbarukan, ESG) */
  --color-green: #15803d;
  --color-green-primary: #15803d;
  --color-green-dark: #166534;
  --color-green-light: #dcfce7;
  --color-green-surface: #f0fdf4;

  /* Clean White & Surfaces */
  --color-white: #ffffff;
  --color-bg-page: #f8fafc;
  --color-bg-subtle: #f1f5f9;
  --color-bg-card: #ffffff;

  /* Technical Slate Scale (Legibility & Visual Hierarchy) */
  --color-slate-900: #0f172a;
  --color-slate-800: #1e293b;
  --color-slate-700: #334155;
  --color-slate-600: #475569;
  --color-slate-500: #64748b;
  --color-slate-400: #94a3b8;
  --color-slate-300: #cbd5e1;
  --color-slate-200: #e2e8f0;
  --color-slate-100: #f1f5f9;
  --color-slate-50: #f8fafc;

  /* Status & Notice Tokens */
  --color-amber: #d97706;
  --color-amber-light: #fef3c7;
  --color-red: #dc2626;
  --color-red-light: #fee2e2;

  /* ------------------------------------------------------------------------
     2. INSTITUTIONAL TYPOGRAPHY TOKENS
     ------------------------------------------------------------------------ */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-family-base: var(--font-sans);
  --font-family-heading: var(--font-sans);
  
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Courier New', monospace;
  --font-family-mono: var(--font-mono);

  /* ------------------------------------------------------------------------
     3. GEOMETRY & RADIUS TOKENS
     ------------------------------------------------------------------------ */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  /* ------------------------------------------------------------------------
     4. ELEVATION SHADOWS
     ------------------------------------------------------------------------ */
  --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.06), 0 1px 2px -1px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
  --shadow-hover: 0 14px 28px -4px rgba(15, 41, 74, 0.12);

  /* ------------------------------------------------------------------------
     5. TRANSITIONS & ANIMATIONS
     ------------------------------------------------------------------------ */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease-in-out;
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);

  /* ------------------------------------------------------------------------
     6. Z-INDEX HIERARCHY
     ------------------------------------------------------------------------ */
  --z-base: 1;
  --z-sticky: 100;
  --z-backdrop: 998;
  --z-drawer: 1000;
  --z-modal: 1050;

  /* Layout Constraints */
  --container-max-width: 1240px;
}

/* ==========================================================================
   GLOBAL RESET & ACCESSIBILITY DEFAULTS
   ========================================================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-family: var(--font-family-base);
  background-color: var(--color-bg-page);
  color: var(--color-slate-800);
  line-height: 1.6;
  scroll-behavior: smooth;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-page);
  overflow-x: clip;
  width: 100%;
}

html.mobile-nav-open,
body.mobile-nav-open,
body.mobile-nav-lock {
  overflow: hidden;
  overscroll-behavior: contain;
}

img, svg {
  vertical-align: middle;
  max-width: 100%;
}

/* ==========================================================================
   VECTOR SVG ICONOGRAPHY & BADGE UTILITIES
   ========================================================================== */
.svg-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  height: 1em;
  stroke-width: 0;
  stroke: currentColor;
  fill: currentColor;
  vertical-align: -0.125em;
  flex-shrink: 0;
}

.svg-icon-xs { width: 12px; height: 12px; }
.svg-icon-sm { width: 16px; height: 16px; }
.svg-icon-md { width: 20px; height: 20px; }
.svg-icon-lg { width: 24px; height: 24px; }
.svg-icon-xl { width: 32px; height: 32px; }

.svg-stroke {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ==========================================================================
   TOP CORPORATE UTILITY BAR
   ========================================================================== */
.top-utility-bar {
  background-color: var(--color-navy-dark);
  color: var(--color-slate-300);
  font-size: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-slate-300);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.top-bar-item:hover {
  color: var(--color-white);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.top-bar-statutory {
  color: var(--color-slate-400);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.lang-selector-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
}

.lang-selector-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
}

/* ==========================================================================
   MAIN NAVIGATION HEADER (STICKY)
   ========================================================================== */
.main-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-slate-200);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

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

.brand-emblem {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  flex-shrink: 0;
  box-shadow: 0 2px 4px rgba(10, 25, 47, 0.15);
  transition: transform var(--transition-fast);
}

.brand-emblem svg {
  width: 22px;
  height: 22px;
}

.brand-identity:hover .brand-emblem {
  transform: translateY(-1px);
}

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

.brand-name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: var(--color-navy-dark);
  line-height: 1.2;
}

.brand-legal-tag {
  font-size: 10px;
  font-weight: 700;
  color: var(--color-green-primary);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Desktop Navigation Links */
.main-nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link-item {
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-slate-700);
  padding: 6px 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link-item:hover {
  color: var(--color-navy);
}

.nav-link-item.active {
  color: var(--color-navy);
  font-weight: 700;
}

.nav-link-item.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-green-primary);
  border-radius: var(--radius-full);
}

.btn-header-rfq {
  text-decoration: none;
  background-color: var(--color-green-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 13px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-xs);
  white-space: nowrap;
}

.btn-header-rfq:hover {
  background-color: var(--color-green-dark);
  transform: translateY(-1px);
}

/* ==========================================================================
   MOBILE NAVIGATION DRAWER & ACCESSIBLE TOGGLE (RESOLVING <768px DEFECT)
   ========================================================================== */
#mobileNavToggle,
.mobile-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 10px;
  background-color: transparent;
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-sm);
  color: var(--color-navy);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

#mobileNavToggle:hover,
.mobile-nav-toggle:hover {
  background-color: var(--color-slate-100);
  border-color: var(--color-slate-300);
}

#mobileNavToggle:focus-visible,
.mobile-nav-toggle:focus-visible {
  outline: 2px solid var(--color-navy);
  outline-offset: 2px;
}

/* Animated Hamburger Lines */
.hamburger-icon {
  width: 20px;
  height: 16px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hamburger-icon span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-navy);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-nav-toggle.active .hamburger-icon span:nth-child(1),
.mobile-nav-toggle.is-active .hamburger-icon span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-nav-toggle.active .hamburger-icon span:nth-child(2),
.mobile-nav-toggle.is-active .hamburger-icon span:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle.active .hamburger-icon span:nth-child(3),
.mobile-nav-toggle.is-active .hamburger-icon span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Backdrop Overlay */
#mobileNavBackdrop,
.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(10, 25, 47, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--z-backdrop);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  cursor: pointer;
  touch-action: none;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

#mobileNavBackdrop.active,
#mobileNavBackdrop.is-active,
#mobileNavBackdrop.open,
#mobileNavBackdrop[aria-hidden="false"],
.mobile-nav-backdrop.active,
.mobile-nav-backdrop.is-active,
.mobile-nav-backdrop.open,
.mobile-nav-backdrop[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Mobile Slide-out Drawer */
#mobileNavDrawer,
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 85%;
  max-width: 380px;
  height: 100vh;
  height: 100dvh;
  background-color: var(--color-white);
  z-index: var(--z-drawer);
  box-shadow: -6px 0 24px rgba(10, 25, 47, 0.25);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform var(--transition-smooth), visibility var(--transition-smooth);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

#mobileNavDrawer.active,
#mobileNavDrawer.is-active,
#mobileNavDrawer.open,
#mobileNavDrawer[aria-hidden="false"],
.mobile-nav-drawer.active,
.mobile-nav-drawer.is-active,
.mobile-nav-drawer.open,
.mobile-nav-drawer[aria-hidden="false"] {
  transform: translateX(0);
  visibility: visible;
  transition: transform var(--transition-smooth);
}

.mobile-drawer-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--color-slate-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--color-slate-50);
}

#mobileNavClose,
.mobile-drawer-close {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-sm);
  color: var(--color-slate-700);
  cursor: pointer;
  font-size: 20px;
  transition: background-color var(--transition-fast);
}

#mobileNavClose:hover,
.mobile-drawer-close:hover {
  background-color: var(--color-slate-200);
  color: var(--color-navy);
}

#mobileNavClose:focus-visible,
.mobile-drawer-close:focus-visible {
  outline: 2px solid var(--color-navy);
  outline-offset: 2px;
}

.mobile-drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  padding: 8px 0;
}

.mobile-drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-slate-800);
  text-decoration: none;
  border-bottom: 1px solid var(--color-slate-100);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  min-height: 48px;
}

.mobile-drawer-link:hover {
  background-color: var(--color-slate-50);
  color: var(--color-navy);
}

.mobile-drawer-link.active {
  color: var(--color-navy);
  font-weight: 700;
  background-color: var(--color-green-light);
  border-left: 4px solid var(--color-green-primary);
}

.mobile-drawer-actions {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.btn-mobile-rfq {
  display: block;
  width: 100%;
  text-align: center;
  background-color: var(--color-green-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 14px;
  padding: 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background-color var(--transition-fast);
  min-height: 48px;
  box-shadow: var(--shadow-sm);
}

.btn-mobile-rfq:hover {
  background-color: var(--color-green-dark);
}

.mobile-drawer-footer {
  margin-top: auto;
  padding: 20px 24px;
  background-color: var(--color-slate-50);
  border-top: 1px solid var(--color-slate-200);
  font-size: 11px;
  color: var(--color-slate-500);
  line-height: 1.6;
}

/* ==========================================================================
   PAGE HERO & BREADCRUMBS STANDARDIZATION (SUB-PAGES)
   ========================================================================== */
.page-header-corporate {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-slate-200);
  padding: 50px 0 40px;
}

.page-header-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.breadcrumbs-bar {
  font-size: 12px;
  color: var(--color-slate-500);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.breadcrumbs-bar a {
  color: var(--color-slate-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumbs-bar a:hover {
  color: var(--color-navy);
}

.breadcrumbs-current {
  color: var(--color-slate-800);
  font-weight: 600;
}

.page-header-title {
  font-size: 34px;
  font-weight: 800;
  color: var(--color-navy-dark);
  letter-spacing: -0.6px;
  line-height: 1.2;
  margin-bottom: 12px;
}

.page-header-desc {
  font-size: 15px;
  color: var(--color-slate-600);
  max-width: 860px;
  line-height: 1.6;
}

/* ==========================================================================
   HOMEPAGE HERO SECTION
   ========================================================================== */
.hero-corporate {
  background: linear-gradient(180deg, var(--color-white) 0%, #edf2f7 100%);
  border-bottom: 1px solid var(--color-slate-200);
  padding: 70px 0 60px;
}

.hero-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-green-light);
  border: 1px solid #bbf7d0;
  color: var(--color-green-dark);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.hero-headline {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.8px;
  color: var(--color-navy-dark);
  margin-bottom: 18px;
}

.hero-headline span.highlight-green {
  color: var(--color-green-primary);
}

.hero-subhead {
  font-size: 17px;
  color: var(--color-slate-600);
  line-height: 1.65;
  margin-bottom: 32px;
}

.hero-action-row {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary-corporate {
  text-decoration: none;
  background-color: var(--color-navy);
  color: var(--color-white);
  font-weight: 700;
  font-size: 14px;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  cursor: pointer;
}

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

.btn-secondary-corporate {
  text-decoration: none;
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-300);
  color: var(--color-slate-800);
  font-weight: 700;
  font-size: 14px;
  padding: 13px 22px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  cursor: pointer;
}

.btn-secondary-corporate:hover {
  background-color: var(--color-bg-subtle);
  border-color: var(--color-slate-400);
}

/* Hero Key Stats Card */
.hero-stats-card {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}

.hero-stats-title {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-slate-500);
  margin-bottom: 20px;
  border-bottom: 1px solid var(--color-slate-100);
  padding-bottom: 10px;
}

.stat-item-block {
  margin-bottom: 18px;
}

.stat-item-block:last-child {
  margin-bottom: 0;
}

.stat-number-large {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.1;
  font-family: var(--font-family-heading);
}

.stat-number-large span {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-green-primary);
}

.stat-description {
  font-size: 12px;
  color: var(--color-slate-500);
  margin-top: 3px;
}

/* ==========================================================================
   STATUTORY CREDENTIAL & TRUST STRIP
   ========================================================================== */
.credential-strip {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-slate-200);
  padding: 22px 0;
}

.credential-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.credential-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.credential-icon {
  width: 34px;
  height: 34px;
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: var(--color-green-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: bold;
  flex-shrink: 0;
}

.credential-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-slate-800);
  line-height: 1.3;
}

.credential-sub {
  font-size: 11px;
  color: var(--color-slate-500);
  margin-top: 2px;
}

/* ==========================================================================
   STANDARD CONTENT SECTIONS & CONTAINERS
   ========================================================================== */
.section-block {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 70px 24px;
}

.section-block.section-alt {
  max-width: 100%;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-slate-200);
  border-bottom: 1px solid var(--color-slate-200);
}

.section-block.section-alt > div {
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.section-title-wrap {
  margin-bottom: 40px;
}

.section-title-wrap.center {
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-kicker-tag {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--color-green-primary);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-heading-main {
  font-size: 30px;
  font-weight: 800;
  color: var(--color-navy-dark);
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.section-subheading {
  font-size: 15px;
  color: var(--color-slate-600);
  line-height: 1.6;
}

/* ==========================================================================
   CARD GRIDS & COMPONENT CARDS
   ========================================================================== */
.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-slate-300);
}

.feature-card-header {
  margin-bottom: 18px;
}

.feature-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  color: var(--color-green-primary);
  background-color: var(--color-green-light);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.feature-card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 10px;
  line-height: 1.3;
}

.feature-card-text {
  font-size: 14px;
  color: var(--color-slate-600);
  line-height: 1.6;
  margin-bottom: 20px;
}

.feature-spec-list {
  list-style: none;
  border-top: 1px solid var(--color-slate-100);
  padding-top: 14px;
  margin-bottom: 24px;
}

.feature-spec-list li {
  font-size: 12px;
  color: var(--color-slate-700);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.feature-spec-list li::before {
  content: '•';
  color: var(--color-green-primary);
  font-weight: bold;
}

.card-action-link {
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-navy);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
  cursor: pointer;
}

.card-action-link:hover {
  color: var(--color-green-primary);
}

/* ==========================================================================
   RESPONSIVE DATA TABLE SCROLLERS (RESOLVING MOBILE CLIPPING)
   ========================================================================== */
.table-card-wrapper {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 30px;
  position: relative;
  width: 100%;
}

/* Custom Scrollbar for Smooth Touch Indication */
.table-card-wrapper::-webkit-scrollbar {
  height: 6px;
}

.table-card-wrapper::-webkit-scrollbar-track {
  background: var(--color-slate-100);
}

.table-card-wrapper::-webkit-scrollbar-thumb {
  background: var(--color-slate-300);
  border-radius: var(--radius-full);
}

.table-card-wrapper::-webkit-scrollbar-thumb:hover {
  background: var(--color-slate-400);
}

.table-scroll-hint {
  display: none;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-slate-500);
  padding: 8px 16px;
  background-color: var(--color-slate-50);
  border-bottom: 1px solid var(--color-slate-200);
  text-align: right;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.table-card-header {
  padding: 18px 24px;
  background-color: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-slate-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.table-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-navy);
}

.table-badge-ref {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-slate-600);
  background: var(--color-white);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-slate-200);
}

.formal-spec-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  text-align: left;
}

.formal-spec-table th {
  background-color: var(--color-slate-50);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-slate-700);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 13px 20px;
  border-bottom: 1px solid var(--color-slate-200);
  white-space: nowrap;
}

.formal-spec-table td {
  padding: 14px 20px;
  font-size: 13px;
  color: var(--color-slate-700);
  border-bottom: 1px solid var(--color-slate-100);
  line-height: 1.5;
}

.formal-spec-table tr:last-child td {
  border-bottom: none;
}

.formal-spec-table tr:hover td {
  background-color: #fafbfc;
}

.spec-cell-badge {
  font-weight: 700;
  color: var(--color-green-primary);
  background-color: var(--color-green-light);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  display: inline-block;
  font-family: var(--font-family-mono);
  font-size: 12px;
}

/* ==========================================================================
   INSTITUTIONAL NOTICE & COMPLIANCE CARDS
   ========================================================================== */
.compliance-notice-card {
  background-color: var(--color-slate-50);
  border: 1px solid var(--color-slate-200);
  border-left: 4px solid var(--color-navy);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 32px 0;
}

.compliance-notice-title {
  font-size: 13px;
  font-weight: 800;
  color: var(--color-navy-dark);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.compliance-notice-body {
  font-size: 13px;
  color: var(--color-slate-600);
  line-height: 1.65;
}

/* Executive Leadership Card */
.leadership-card {
  background: var(--color-bg-page);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  padding: 36px;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
  align-items: center;
}

.leadership-avatar {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 44px;
  color: var(--color-white);
  font-weight: 800;
  box-shadow: var(--shadow-sm);
}

.leadership-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 4px;
}

.leadership-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-green-primary);
  margin-bottom: 14px;
}

.leadership-bio {
  font-size: 14px;
  color: var(--color-slate-600);
  line-height: 1.6;
  margin-bottom: 14px;
}

.leadership-meta {
  font-size: 12px;
  color: var(--color-slate-500);
}

/* ==========================================================================
   BOILER FUEL ECONOMICS CALCULATOR
   ========================================================================== */
.calculator-box {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
}

.calc-input-group {
  margin-bottom: 24px;
}

.calc-input-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-slate-800);
  margin-bottom: 8px;
}

.calc-input-label span.value-highlight {
  color: var(--color-green-primary);
  font-family: var(--font-family-mono);
  font-size: 14px;
}

.calc-range-slider {
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-slate-200);
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
}

.calc-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-green-primary);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.calc-range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.calc-results-panel {
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-md);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-net-number {
  font-size: 34px;
  font-weight: 800;
  color: var(--color-green-dark);
  line-height: 1.1;
  margin: 10px 0;
  font-family: var(--font-family-heading);
}

.calc-comparison-breakdown {
  border-top: 1px solid #bbf7d0;
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.calc-breakdown-item {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}

.calc-breakdown-item span:first-child {
  color: var(--color-slate-600);
}

.calc-breakdown-item span:last-child {
  font-weight: 700;
  color: var(--color-slate-800);
}

.calc-usd-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-green-primary);
  margin-left: 6px;
}

.calc-usd-sub {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-slate-500);
  margin-left: 4px;
}

/* ==========================================================================
   B2B PROCUREMENT RFQ FORM
   ========================================================================== */
.rfq-form-card {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.form-control-block {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-slate-700);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input-text, .form-select-control, .form-textarea-control {
  width: 100%;
  border: 1px solid var(--color-slate-300);
  border-radius: var(--radius-xs);
  padding: 11px 14px;
  font-size: 14px;
  color: var(--color-slate-800);
  font-family: var(--font-family-base);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background-color: var(--color-white);
  min-height: 44px;
}

.form-textarea-control {
  min-height: 90px;
  resize: vertical;
}

.form-input-text:focus, .form-select-control:focus, .form-textarea-control:focus {
  border-color: var(--color-navy);
  box-shadow: 0 0 0 3px rgba(15, 41, 74, 0.12);
}

.btn-form-submit {
  width: 100%;
  background-color: var(--color-navy);
  color: var(--color-white);
  font-weight: 700;
  font-size: 14px;
  padding: 14px;
  border: none;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  min-height: 48px;
}

.btn-form-submit:hover {
  background-color: var(--color-navy-dark);
}

/* RFQ Submission Hub Cards */
.rfq-submission-hub {
  margin-top: 18px;
}

.btn-rfq-channel {
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.btn-rfq-channel:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

/* ==========================================================================
   CORPORATE UNIVERSAL 4-COLUMN FOOTER
   ========================================================================== */
.main-footer {
  background-color: var(--color-navy-dark);
  color: var(--color-slate-300);
  padding: 60px 0 30px;
  margin-top: auto;
  border-top: 3px solid var(--color-green-primary);
}

.footer-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 12px;
  letter-spacing: 0.3px;
}

.footer-brand-desc {
  font-size: 13px;
  color: var(--color-slate-400);
  line-height: 1.6;
  margin-bottom: 16px;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 18px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-list a {
  text-decoration: none;
  font-size: 13px;
  color: var(--color-slate-400);
  transition: color var(--transition-fast);
}

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

.footer-contact-details {
  font-size: 13px;
  color: var(--color-slate-400);
  line-height: 1.7;
}

.footer-contact-details strong {
  color: var(--color-white);
}

.footer-sub-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
}

.footer-sub-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--color-slate-500);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (DESKTOP, TABLET, MOBILE)
   ========================================================================== */
/* Tablet Landscape & Small Laptops (<= 1024px) */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; }
  .credential-container { grid-template-columns: repeat(2, 1fr); }
  .cards-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .calculator-box { grid-template-columns: 1fr; }
  .footer-container { grid-template-columns: 1fr 1fr; }
}

/* Tablet Portrait & Mobile Devices (<= 768px) */
@media (max-width: 768px) {
  /* Navigation switch */
  .main-nav-links { display: none !important; }
  #mobileNavToggle,
  .mobile-nav-toggle { display: inline-flex !important; }
  .btn-header-rfq { display: none !important; } /* accessible in mobile drawer */
  .top-bar-left { display: none !important; }
  .top-bar-right { width: 100%; justify-content: space-between; }
  
  /* Typography scale down */
  .hero-headline { font-size: 32px; letter-spacing: -0.5px; }
  .page-header-title { font-size: 26px; }
  .page-header-corporate { padding: 36px 0 28px; }
  .section-block { padding: 50px 20px; }
  .section-heading-main { font-size: 24px; }

  /* Stack actions */
  .hero-action-row {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }
  .btn-primary-corporate, .btn-secondary-corporate {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  /* Grid single column fallbacks */
  .cards-grid-3, .cards-grid-2 { grid-template-columns: 1fr; }
  .credential-container { grid-template-columns: 1fr; }
  .leadership-card { grid-template-columns: 1fr; text-align: center; gap: 20px; }
  .leadership-avatar { margin: 0 auto; }
  .footer-container { grid-template-columns: 1fr; }
  .footer-sub-container { flex-direction: column; gap: 10px; text-align: center; }
  .form-grid-2 { grid-template-columns: 1fr; }

  /* Table horizontal scroll cue */
  .table-scroll-hint { display: flex; }
}

/* Small Smartphone Devices (<= 480px) */
@media (max-width: 480px) {
  .hero-headline { font-size: 28px; }
  .section-heading-main { font-size: 22px; }
  .page-header-title { font-size: 22px; }
  .calculator-box { padding: 24px 16px; }
  .rfq-form-card { padding: 24px 16px; }
  .hero-stats-card { padding: 24px 18px; }
  .section-block { padding: 40px 16px; }
  .nav-container { padding: 12px 16px; }
  .top-bar-container { padding: 0 16px; }
  .brand-name { font-size: 15px; }
}