/* ==========================================================================
   SHIVA BROTHERS — CORPORATE STYLESHEET
   Design System: Premium Corporate, Trustworthy, Modern International
   Technologies: Modern Vanilla CSS3 (Custom Properties, Flexbox, Grid)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties / Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand Color Palette */
  --color-navy-darkest: #081120;
  --color-navy-deep: #0A172A;
  --color-navy-primary: #10233F;
  --color-navy-light: #183359;
  
  --color-blue-corporate: #174A78;
  --color-blue-hover: #1D5E99;
  --color-blue-soft: #EBF3FA;
  
  --color-gold-light: #EAD39E;
  --color-gold-primary: #C9A45C;
  --color-gold-dark: #A37F39;
  --color-gold-glow: rgba(201, 164, 92, 0.25);
  --color-gold-subtle: #FDF9F0;
  
  /* Neutral Palette */
  --color-white: #FFFFFF;
  --color-bg-body: #F4F6F8;
  --color-bg-card: #FFFFFF;
  --color-bg-alt: #EDF2F7;
  --color-border: #E2E8F0;
  --color-border-dark: #1E3A5F;
  --color-border-focus: #C9A45C;
  
  /* Typography Colors */
  --color-text-dark: #0F172A;
  --color-text-main: #344054;
  --color-text-muted: #64748B;
  --color-text-light: #94A3B8;
  --color-text-white: #FFFFFF;
  
  /* Status / Badges */
  --color-status-draft-bg: #FEF3C7;
  --color-status-draft-text: #92400E;
  --color-status-draft-border: #FCD34D;
  --color-status-active-bg: #ECFDF5;
  --color-status-active-text: #065F46;
  
  /* Typography System */
  --font-primary: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
  
  /* Elevation Shadows */
  --shadow-sm: 0 1px 3px rgba(16, 35, 63, 0.06), 0 1px 2px rgba(16, 35, 63, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(16, 35, 63, 0.08), 0 2px 4px -1px rgba(16, 35, 63, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(16, 35, 63, 0.1), 0 4px 6px -2px rgba(16, 35, 63, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(16, 35, 63, 0.12), 0 10px 10px -5px rgba(16, 35, 63, 0.04);
  --shadow-gold: 0 8px 24px -4px rgba(201, 164, 92, 0.35);
  
  /* Layout Transitions */
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Spacing & Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-full: 9999px;
  
  --container-max: 1240px;
  --container-pad: 24px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  color: var(--color-text-main);
  background-color: var(--color-bg-body);
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

ul, ol {
  list-style: none;
}

/* Accessible Keyboard Focus Outline */
:focus-visible {
  outline: 2px solid var(--color-gold-primary);
  outline-offset: 3px;
}

/* Skip to Content Accessibility Link */
.skip-to-content {
  position: absolute;
  top: -60px;
  left: 20px;
  background: var(--color-navy-primary);
  color: var(--color-gold-light);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 600;
  font-size: 0.875rem;
  transition: top var(--transition-fast);
  box-shadow: var(--shadow-lg);
}

.skip-to-content:focus {
  top: 15px;
}

/* --------------------------------------------------------------------------
   3. Typography & Utility Classes
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-navy-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

h1 { font-size: clamp(2.1rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.35rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

.text-gold { color: var(--color-gold-primary); }
.text-navy { color: var(--color-navy-primary); }
.text-muted { color: var(--color-text-muted); }

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

.container-narrow {
  max-width: 960px;
}

/* Section Header Component */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gold-primary);
  margin-bottom: 0.75rem;
}

.section-kicker::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 2px;
  background-color: var(--color-gold-primary);
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Editorial Draft & Confirmation Badge */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--color-status-draft-bg);
  color: var(--color-status-draft-text);
  border: 1px solid var(--color-status-draft-border);
  letter-spacing: 0.02em;
}

.status-pill.verified {
  background: var(--color-status-active-bg);
  color: var(--color-status-active-text);
  border-color: #A7F3D0;
}

/* --------------------------------------------------------------------------
   4. Buttons & Interactive Elements
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0.875rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1.2;
}

.btn-primary {
  background-color: var(--color-gold-primary);
  color: var(--color-navy-darkest);
  border-color: var(--color-gold-primary);
  box-shadow: 0 2px 8px rgba(201, 164, 92, 0.28);
}

.btn-primary:hover {
  background-color: var(--color-gold-light);
  border-color: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn-navy {
  background-color: var(--color-navy-primary);
  color: var(--color-white);
  border-color: var(--color-navy-primary);
}

.btn-navy:hover {
  background-color: var(--color-blue-corporate);
  border-color: var(--color-blue-corporate);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline-navy {
  background-color: transparent;
  color: var(--color-navy-primary);
  border-color: var(--color-navy-primary);
}

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

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.8125rem;
}

.btn-icon {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   5. Top Bar & Header Navigation
   -------------------------------------------------------------------------- */
.top-info-bar {
  background-color: var(--color-navy-darkest);
  color: var(--color-text-light);
  font-size: 0.78125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 0;
}

.top-info-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

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

.top-info-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.top-info-item svg {
  width: 14px;
  height: 14px;
  color: var(--color-gold-primary);
}

.top-info-highlight {
  color: var(--color-gold-light);
  font-weight: 500;
}

/* Main Site Header */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.97);
  box-shadow: 0 4px 20px rgba(16, 35, 63, 0.08);
  border-bottom-color: rgba(201, 164, 92, 0.2);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  transition: height var(--transition-fast);
}

.site-header.scrolled .header-container {
  height: 72px;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo-img {
  height: 52px;
  width: auto;
  transition: height var(--transition-fast);
}

.site-header.scrolled .brand-logo-img {
  height: 44px;
}

/* Desktop Navigation Menu */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  position: relative;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-navy-primary);
  padding: 8px 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2.5px;
  background-color: var(--color-gold-primary);
  transition: width var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-blue-corporate);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--color-blue-corporate);
}

/* Header Action CTA */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-cta-btn {
  padding: 0.65rem 1.35rem;
  font-size: 0.875rem;
}

/* Mobile Hamburger Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  width: 44px;
  height: 44px;
  position: relative;
  z-index: 1010;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

.mobile-nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-navy-primary);
  transition: all var(--transition-normal);
  border-radius: 2px;
}

.mobile-nav-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Drawer Overlay */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 380px;
  height: 100vh;
  background-color: var(--color-navy-darkest);
  color: var(--color-white);
  padding: 90px 30px 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 1005;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.4);
  transition: right var(--transition-normal);
  overflow-y: auto;
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(8, 17, 32, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1002;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.mobile-nav-link {
  font-size: 1.15rem;
  font-weight: 600;
  color: #E2E8F0;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--color-gold-primary);
  border-bottom-color: var(--color-gold-primary);
}

.mobile-drawer-footer {
  margin-top: 30px;
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   6. Hero Component (Corporate Banner)
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: 700px;
  display: flex;
  align-items: center;
  background-color: var(--color-navy-darkest);
  color: var(--color-white);
  overflow: hidden;
}

.hero-bg-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
  transition: transform 8s ease-out;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(8, 17, 32, 0.92) 0%,
    rgba(16, 35, 63, 0.86) 55%,
    rgba(23, 74, 120, 0.72) 100%
  );
  z-index: 2;
}

/* Subtle Geometric Pattern Overlay */
.hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(201, 164, 92, 0.12) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: 3;
  opacity: 0.45;
}

.hero-content {
  position: relative;
  z-index: 4;
  padding: 90px 0 100px;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(201, 164, 92, 0.15);
  border: 1px solid rgba(201, 164, 92, 0.4);
  border-radius: var(--radius-full);
  font-size: 0.78125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold-light);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(4px);
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-gold-primary);
  box-shadow: 0 0 8px var(--color-gold-primary);
}

.hero-title {
  color: var(--color-white);
  font-size: clamp(2.35rem, 5vw, 3.85rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: #E2E8F0;
  line-height: 1.7;
  margin-bottom: 2.25rem;
  font-weight: 400;
  max-width: 740px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 3.5rem;
}

/* Hero Highlights Bar / Credibility Strip */
.hero-highlights-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-highlight-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.hero-highlight-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(201, 164, 92, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-gold-light);
}

.hero-highlight-icon svg {
  width: 20px;
  height: 20px;
}

.hero-highlight-text h4 {
  font-size: 0.9375rem;
  color: var(--color-white);
  margin-bottom: 2px;
}

.hero-highlight-text p {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.4;
}

/* Page Banner (for Inner Pages) */
.page-banner {
  background: linear-gradient(135deg, var(--color-navy-darkest) 0%, var(--color-navy-primary) 70%, var(--color-blue-corporate) 100%);
  color: var(--color-white);
  padding: 70px 0 65px;
  position: relative;
  overflow: hidden;
}

.page-banner::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 35%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(201, 164, 92, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.breadcrumbs a:hover {
  color: var(--color-gold-light);
}

.breadcrumbs-separator {
  color: var(--color-gold-primary);
  opacity: 0.6;
}

.page-banner-title {
  color: var(--color-white);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 0.75rem;
}

.page-banner-lead {
  font-size: 1.0625rem;
  color: #CBD5E1;
  max-width: 700px;
}

/* --------------------------------------------------------------------------
   7. Sections & Content Layouts
   -------------------------------------------------------------------------- */
.section {
  padding: 90px 0;
}

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

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

.section-bg-dark {
  background-color: var(--color-navy-primary);
  color: var(--color-white);
}

.section-bg-dark h2,
.section-bg-dark h3,
.section-bg-dark h4 {
  color: var(--color-white);
}

.section-bg-dark .section-subtitle {
  color: #CBD5E1;
}

/* Two Column Editorial Grid */
.grid-2-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

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

.grid-4-col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* Corporate Media Showcase */
.media-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.media-frame:hover img {
  transform: scale(1.03);
}

.media-badge-tag {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(16, 35, 63, 0.9);
  backdrop-filter: blur(8px);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-gold-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
}

.media-badge-tag strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--color-gold-light);
}

.media-badge-tag span {
  font-size: 0.8125rem;
  color: #CBD5E1;
}

/* Feature Checkmarks List */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 1.75rem 0 2rem;
}

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

.feature-icon-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-blue-soft);
  color: var(--color-blue-corporate);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 3px;
}

.feature-icon-check svg {
  width: 13px;
  height: 13px;
}

.feature-text strong {
  display: block;
  color: var(--color-navy-primary);
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.feature-text p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}

/* --------------------------------------------------------------------------
   8. Cards & Corporate Presentation Blocks
   -------------------------------------------------------------------------- */
/* Service / Business Focus Card */
.card-service {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.card-service::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: transparent;
  transition: background-color var(--transition-fast);
}

.card-service:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(201, 164, 92, 0.4);
}

.card-service:hover::before {
  background-color: var(--color-gold-primary);
}

.card-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--color-blue-soft);
  color: var(--color-blue-corporate);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all var(--transition-fast);
}

.card-icon-wrapper svg {
  width: 30px;
  height: 30px;
}

.card-service:hover .card-icon-wrapper {
  background: var(--color-navy-primary);
  color: var(--color-gold-light);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.85rem;
}

.card-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-body);
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-blue-corporate);
}

.card-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.card-service:hover .card-link svg {
  transform: translateX(4px);
}

/* Guiding Principle Card */
.card-principle {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  transition: all var(--transition-fast);
}

.card-principle:hover {
  border-color: var(--color-gold-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.principle-num {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-gold-primary);
  line-height: 1;
  margin-bottom: 1rem;
  font-family: var(--font-primary);
  opacity: 0.9;
}

.principle-title {
  font-size: 1.15rem;
  margin-bottom: 0.65rem;
}

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

/* Mission / Vision Card */
.card-statement {
  background: var(--color-navy-primary);
  border: 1px solid rgba(201, 164, 92, 0.3);
  border-radius: var(--radius-lg);
  padding: 40px;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.card-statement::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: var(--color-gold-primary);
}

.card-statement h3 {
  color: var(--color-gold-light);
  font-size: 1.4rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-statement p {
  color: #E2E8F0;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   9. Company Profile Structured Table & Verification Box
   -------------------------------------------------------------------------- */
.profile-meta-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
  margin-bottom: 2.5rem;
}

.profile-header-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.profile-doc-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.profile-doc-title {
  font-size: 1.4rem;
  color: var(--color-navy-primary);
}

.profile-doc-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.company-data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.company-data-table th,
.company-data-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}

.company-data-table th {
  width: 32%;
  background-color: #F8FAFC;
  font-weight: 600;
  color: var(--color-navy-primary);
}

.company-data-table td {
  color: var(--color-text-main);
  background-color: var(--color-white);
}

.company-data-table tr:hover td {
  background-color: #F8FAFC;
}

.placeholder-cell {
  font-style: italic;
  color: var(--color-text-muted);
}

/* Administrative Guidance Notice Box */
.notice-box {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-left: 4px solid var(--color-gold-primary);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 2rem 0;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.notice-box svg {
  width: 24px;
  height: 24px;
  color: #B45309;
  flex-shrink: 0;
  margin-top: 2px;
}

.notice-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #92400E;
  margin-bottom: 4px;
}

.notice-desc {
  font-size: 0.875rem;
  color: #78350F;
  line-height: 1.5;
  margin: 0;
}

/* --------------------------------------------------------------------------
   10. Interactive Accordion (For Business Overview / FAQ)
   -------------------------------------------------------------------------- */
.accordion-wrapper {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.accordion-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.accordion-item.active {
  border-color: var(--color-gold-primary);
  box-shadow: var(--shadow-sm);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-navy-primary);
  transition: color var(--transition-fast);
}

.accordion-trigger:hover {
  color: var(--color-blue-corporate);
}

.accordion-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
  color: var(--color-gold-primary);
  flex-shrink: 0;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: 0 24px 22px;
  color: var(--color-text-main);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.accordion-item.active .accordion-content {
  display: block;
}

/* --------------------------------------------------------------------------
   11. Contact Form & Direct Communication Interface
   -------------------------------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 50px;
}

.contact-info-panel {
  background: var(--color-navy-primary);
  color: var(--color-white);
  padding: 44px 36px;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-panel h3 {
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.contact-info-panel p {
  color: #CBD5E1;
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-bottom: 2.5rem;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-detail-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(201, 164, 92, 0.18);
  color: var(--color-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-icon svg {
  width: 18px;
  height: 18px;
}

.contact-detail-text strong {
  display: block;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gold-light);
  margin-bottom: 2px;
}

.contact-detail-text span {
  font-size: 0.9375rem;
  color: #E2E8F0;
}

/* Contact Form Card */
.contact-form-panel {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-navy-primary);
  margin-bottom: 0.5rem;
}

.form-label .req {
  color: #DC2626;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 0.9375rem;
  background-color: #F8FAFC;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-dark);
  transition: all var(--transition-fast);
}

.form-control:focus {
  background-color: var(--color-white);
  border-color: var(--color-blue-corporate);
  box-shadow: 0 0 0 3px rgba(23, 74, 120, 0.12);
  outline: none;
}

.form-control.is-invalid {
  border-color: #DC2626;
  background-color: #FEF2F2;
}

.form-error-msg {
  display: none;
  font-size: 0.78125rem;
  color: #DC2626;
  margin-top: 4px;
}

.form-control.is-invalid + .form-error-msg {
  display: block;
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

/* Form System Message Banner */
.form-feedback-banner {
  display: none;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  line-height: 1.5;
}

.form-feedback-banner.info {
  display: block;
  background-color: #EFF6FF;
  border: 1px solid #BFDBFE;
  color: #1E40AF;
}

.form-feedback-banner.success {
  display: block;
  background-color: #ECFDF5;
  border: 1px solid #A7F3D0;
  color: #065F46;
}

/* --------------------------------------------------------------------------
   12. Call-to-Action Strip
   -------------------------------------------------------------------------- */
.cta-strip {
  background: linear-gradient(135deg, var(--color-navy-darkest) 0%, var(--color-navy-primary) 60%, var(--color-blue-corporate) 100%);
  color: var(--color-white);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-strip::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(201, 164, 92, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
}

.cta-title {
  color: var(--color-white);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 1rem;
}

.cta-desc {
  color: #E2E8F0;
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 2.25rem;
}

/* --------------------------------------------------------------------------
   13. Corporate Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-navy-darkest);
  color: #94A3B8;
  padding: 85px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-main-grid {
  display: grid;
  grid-template-columns: 2fr 1.1fr 1.1fr 1.4fr;
  gap: 50px;
  padding-bottom: 60px;
}

.footer-brand-col .footer-logo-img {
  height: 48px;
  width: auto;
  margin-bottom: 1.25rem;
}

.footer-bio {
  font-size: 0.9rem;
  line-height: 1.65;
  color: #94A3B8;
  margin-bottom: 1.5rem;
  max-width: 380px;
}

.footer-col-title {
  color: var(--color-white);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.35rem;
  position: relative;
  padding-bottom: 10px;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background-color: var(--color-gold-primary);
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.875rem;
  color: #94A3B8;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-link:hover {
  color: var(--color-gold-light);
  transform: translateX(3px);
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 0.875rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-gold-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  font-size: 0.8125rem;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

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

/* --------------------------------------------------------------------------
   14. Back-to-Top Button & Reveal Animations
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-navy-primary);
  color: var(--color-gold-light);
  border: 1px solid rgba(201, 164, 92, 0.4);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-gold-primary);
  color: var(--color-navy-darkest);
  transform: translateY(-3px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* Scroll-triggered reveal animations */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced Motion Respect */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ==========================================================================
   15. Theme System (Dark Mode & Light Mode)
   ========================================================================== */

/* Smooth color transitions when toggling */
body, .site-header, .card-service, .card-principle, .profile-meta-card, 
.contact-form-panel, .accordion-item, .form-control, .company-data-table th, 
.company-data-table td, .section {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Theme Toggle Pill Button */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background-color: #FFFFFF;
  color: var(--color-navy-primary);
  font-family: var(--font-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  flex-shrink: 0;
  user-select: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.theme-toggle-btn:hover {
  border-color: var(--color-gold-primary);
  color: var(--color-gold-primary);
  background-color: rgba(201, 164, 92, 0.08);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.theme-toggle-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.theme-toggle-btn:hover svg {
  transform: rotate(15deg);
}

/* Light / White Theme icon & text states */
.theme-icon-sun {
  display: none;
}
.theme-icon-moon {
  display: block;
  color: var(--color-navy-primary);
}
.theme-toggle-text-dark {
  display: inline-block;
  line-height: 1;
}
.theme-toggle-text-light {
  display: none;
  line-height: 1;
}

/* Dark / Black Theme Overrides */
[data-theme="dark"] {
  --color-navy-darkest: #04070E;
  --color-navy-deep: #070B14;
  --color-navy-primary: #F8FAFC;
  --color-navy-light: #94A3B8;

  --color-blue-corporate: #4B94D8;
  --color-blue-hover: #67A7E4;
  --color-blue-soft: #121B2D;

  --color-bg-body: #080C16;
  --color-bg-card: #0F1626;
  --color-bg-alt: #0B111E;
  --color-border: #1C273C;
  --color-border-dark: #2A3B5A;

  --color-text-dark: #FFFFFF;
  --color-text-main: #E2E8F0;
  --color-text-muted: #94A3B8;
  --color-text-light: #64748B;

  --color-status-draft-bg: #261907;
  --color-status-draft-text: #FDE68A;
  --color-status-draft-border: #78350F;
  --color-status-active-bg: #052419;
  --color-status-active-text: #6EE7B7;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.7);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.8);
}

.theme-toggle-btn:focus-visible {
  outline: 2px solid var(--color-gold-primary);
  outline-offset: 2px;
}

.mobile-theme-toggle {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: #F1F5F9;
}

.mobile-theme-toggle:hover {
  background: rgba(201, 164, 92, 0.2);
  border-color: var(--color-gold-primary);
  color: var(--color-gold-light);
}

/* Dark theme toggle icons & text */
[data-theme="dark"] .theme-icon-sun {
  display: block;
  color: var(--color-gold-light);
}
[data-theme="dark"] .theme-icon-moon {
  display: none;
}
[data-theme="dark"] .theme-toggle-text-dark {
  display: none;
}
[data-theme="dark"] .theme-toggle-text-light {
  display: inline-block;
  color: var(--color-gold-light);
}

[data-theme="dark"] .theme-toggle-btn {
  background-color: #0F1626;
  border-color: #22324E;
  color: #F8FAFC;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .theme-toggle-btn:hover {
  background-color: rgba(201, 164, 92, 0.15);
  border-color: var(--color-gold-primary);
  color: var(--color-gold-light);
}

/* Header & Navigation in Dark Mode */
[data-theme="dark"] .site-header {
  background-color: rgba(9, 14, 24, 0.94);
  border-bottom-color: #1A2C46;
}
[data-theme="dark"] .site-header.scrolled {
  background-color: rgba(7, 11, 20, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
  border-bottom-color: rgba(201, 164, 92, 0.25);
}
[data-theme="dark"] .nav-link {
  color: #E2E8F0;
}
[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active {
  color: var(--color-gold-light);
}
[data-theme="dark"] .mobile-nav-toggle span {
  background-color: #F1F5F9;
}

/* Logo switching in Dark Mode */
.brand-logo .logo-dark-mode {
  display: none;
}
.brand-logo .logo-light-mode {
  display: block;
}
[data-theme="dark"] .brand-logo .logo-dark-mode {
  display: block;
}
[data-theme="dark"] .brand-logo .logo-light-mode {
  display: none;
}

/* Sections & Cards in Dark Mode */
[data-theme="dark"] .section-bg-white {
  background-color: #0B101C;
}
[data-theme="dark"] .section-bg-light {
  background-color: #070B13;
}
[data-theme="dark"] .section-bg-dark {
  background-color: #04060B;
}

[data-theme="dark"] .card-service,
[data-theme="dark"] .card-principle,
[data-theme="dark"] .profile-meta-card,
[data-theme="dark"] .contact-form-panel,
[data-theme="dark"] .accordion-item {
  background: #0F1626;
  border-color: #1C273C;
}

[data-theme="dark"] .card-tag {
  background: #070B14;
  color: #94A3B8;
}

[data-theme="dark"] .card-service:hover,
[data-theme="dark"] .card-principle:hover {
  border-color: var(--color-gold-primary);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .card-service:hover .card-icon-wrapper {
  background: var(--color-gold-primary);
  color: #04060B;
}

[data-theme="dark"] .company-data-table th {
  background-color: #131C2E;
  color: #FFFFFF;
  border-color: #1C273C;
}
[data-theme="dark"] .company-data-table td {
  background-color: #0F1626;
  color: #E2E8F0;
  border-color: #1C273C;
}
[data-theme="dark"] .company-data-table tr:hover td {
  background-color: #162035;
}

[data-theme="dark"] .notice-box {
  background: #231B0B;
  border-color: #594212;
}
[data-theme="dark"] .notice-box svg {
  color: #F59E0B;
}
[data-theme="dark"] .notice-title {
  color: #FDE68A;
}
[data-theme="dark"] .notice-desc {
  color: #FCD34D;
}

[data-theme="dark"] .accordion-trigger {
  color: #FFFFFF;
}
[data-theme="dark"] .accordion-trigger:hover {
  color: var(--color-gold-light);
}

[data-theme="dark"] .form-control {
  background-color: #070B14;
  border-color: #1C273C;
  color: #FFFFFF;
}
[data-theme="dark"] .form-control:focus {
  background-color: #0A101C;
  border-color: var(--color-gold-primary);
  box-shadow: 0 0 0 3px rgba(201, 164, 92, 0.2);
}

[data-theme="dark"] .btn-outline-navy {
  color: #E2E8F0;
  border-color: #284166;
}
[data-theme="dark"] .btn-outline-navy:hover {
  background-color: #1E314F;
  color: #FFFFFF;
}

[data-theme="dark"] .btn-navy {
  background-color: #193154;
  border-color: #284166;
  color: #FFFFFF;
}
[data-theme="dark"] .btn-navy:hover {
  background-color: #244677;
}

[data-theme="dark"] .form-label {
  color: #E2E8F0;
}