/**
 * SILSILA 360 Corporate Design System & Brand CSS
 * Mobile-First, Light-Themed, Premium B2B Experience
 * Official Brand Colors: Midnight Navy (#101B35), Deep Charcoal (#202938), Vibrant Orange (#F47721), Deep Teal (#087E8B)
 */

:root {
  /* Brand Color Tokens */
  --color-primary: #101B35;
  --color-primary-light: #1A294C;
  --color-charcoal: #202938;
  
  --color-accent: #F47721;
  --color-accent-hover: #D96213;
  --color-accent-soft: rgba(244, 119, 33, 0.12);
  --color-accent-glow: rgba(244, 119, 33, 0.25);

  --color-secondary: #087E8B;
  --color-secondary-dark: #065F69;
  --color-secondary-light: #16B8A6;
  --color-secondary-soft: rgba(8, 126, 139, 0.12);

  --color-gold: #D6A85F;
  --color-gold-soft: rgba(214, 168, 95, 0.15);
  
  --color-background: #F7F9FC;
  --color-surface: #FFFFFF;
  --color-surface-muted: #F1F4F9;
  
  --color-text: #202938;
  --color-text-secondary: #64748B;
  --color-muted: #64748B;
  --color-border: #E2E8F0;
  --color-border-hover: #CBD5E1;

  --color-success: #16835B;
  --color-warning: #C78122;
  --color-error: #C43D4B;

  --font-sans: 'Plus Jakarta Sans', 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  --radius-pill: 50px;

  --shadow-sm: 0 2px 8px rgba(16, 27, 53, 0.04);
  --shadow-card: 0 10px 30px rgba(16, 27, 53, 0.06);
  --shadow-card-hover: 0 20px 45px rgba(16, 27, 53, 0.13);
  --shadow-float: 0 24px 60px rgba(16, 27, 53, 0.16);

  --container-width: 1240px;
  --header-height: 84px;

  --transition-fast: 180ms ease;
  --transition-normal: 260ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Resets & Global Styles */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-background);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
  margin-top: 0;
  margin-bottom: 0.75rem;
}

p {
  margin-top: 0;
  margin-bottom: 1.25rem;
}

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

a:hover {
  color: var(--color-accent);
}

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

/* Typography scale with clamp */
.hero-title {
  font-size: clamp(2.35rem, 5.2vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.section-title {
  font-size: clamp(1.9rem, 3.6vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.section-subtitle {
  font-size: clamp(1.02rem, 1.25vw, 1.18rem);
  color: var(--color-muted);
  max-width: 700px;
  line-height: 1.65;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
  border: 1px solid rgba(244, 119, 33, 0.28);
  margin-bottom: 1.2rem;
}

.badge-teal {
  background: var(--color-secondary-soft);
  color: var(--color-secondary);
  border-color: rgba(8, 126, 139, 0.25);
}

.badge-gold {
  background: var(--color-gold-soft);
  color: #9B7026;
  border-color: rgba(214, 168, 95, 0.35);
}

/* Layout Containers & Spacing */
.silsila-container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section-spacing {
  padding-top: clamp(3.5rem, 7vw, 6.8rem);
  padding-bottom: clamp(3.5rem, 7vw, 6.8rem);
}

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

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

/* Navigation Header */
.silsila-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.silsila-header.scrolled {
  box-shadow: 0 10px 30px rgba(16, 27, 53, 0.08);
  background: rgba(255, 255, 255, 0.98);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.brand-logo-img {
  height: 48px;
  width: auto;
  max-width: 280px;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

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

.main-nav {
  display: none;
  align-items: center;
  gap: 1.8rem;
}

@media (min-width: 992px) {
  .main-nav {
    display: flex;
  }
}

.nav-link-item {
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.6rem 0;
  position: relative;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link-item:hover,
.nav-link-item.active {
  color: var(--color-accent);
}

.nav-link-item.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

/* Mega Menu System */
.nav-dropdown-wrapper {
  position: relative;
}

.nav-dropdown-arrow {
  font-size: 0.75rem;
  transition: transform var(--transition-fast);
}

.nav-dropdown-wrapper:hover .nav-dropdown-arrow {
  transform: rotate(180deg);
}

.mega-menu {
  position: absolute;
  top: 100%;
  left: -200px;
  width: 860px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-float);
  padding: 1.75rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-normal);
  z-index: 1050;
}

.nav-dropdown-wrapper:hover .mega-menu,
.nav-dropdown-wrapper:focus-within .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-bottom: 1.25rem;
}

.mega-category-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: 0.85rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--color-surface-muted);
}

.mega-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.6rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
  margin-bottom: 0.4rem;
}

.mega-item:hover {
  background: var(--color-surface-muted);
  transform: translateX(3px);
}

.mega-item-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--color-secondary-soft);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.mega-item-icon.orange {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.mega-item-content {
  display: flex;
  flex-direction: column;
}

.mega-item-title {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--color-primary);
  line-height: 1.2;
}

.mega-item-desc {
  font-size: 0.74rem;
  color: var(--color-muted);
  line-height: 1.35;
  margin-top: 0.15rem;
}

.mega-menu-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}

.mega-footer-link {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

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

/* Header Action Buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-toggle-btn {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  padding: 0.4rem 0.65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.menu-toggle-btn:hover {
  background: var(--color-surface-muted);
  border-color: var(--color-border-hover);
}

@media (min-width: 992px) {
  .menu-toggle-btn {
    display: none;
  }
}

/* Buttons System */
.btn-silsila {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 2px solid transparent;
  box-shadow: var(--shadow-sm);
}

.btn-accent-orange {
  background-color: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
}

.btn-accent-orange:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--color-accent-glow);
}

.btn-primary-teal {
  background-color: var(--color-secondary);
  color: #FFFFFF;
  border-color: var(--color-secondary);
}

.btn-primary-teal:hover {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
  color: #FFFFFF;
  transform: translateY(-2px);
}

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

.btn-primary-navy:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary-light);
  color: #FFFFFF;
  transform: translateY(-2px);
}

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

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

.btn-gold {
  background-color: var(--color-gold);
  color: #101B35;
  border-color: var(--color-gold);
}

.btn-gold:hover {
  background-color: #C5974B;
  color: #101B35;
  transform: translateY(-2px);
}

/* Mobile Navigation Drawer */
.mobile-drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(16, 27, 53, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 320px;
  height: 100%;
  background: var(--color-surface);
  box-shadow: var(--shadow-float);
  padding: 1.5rem;
  overflow-y: auto;
  transition: transform var(--transition-normal);
  z-index: 2001;
  display: flex;
  flex-direction: column;
}

.mobile-drawer-backdrop.show .mobile-drawer {
  transform: translateX(-320px);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1.5rem;
}

.mobile-drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.mobile-drawer-nav a {
  color: var(--color-text);
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  padding: 0.5rem 0;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.mobile-drawer-nav a.active,
.mobile-drawer-nav a:hover {
  color: var(--color-accent);
}

/* Hero Section */
.hero-wrapper {
  position: relative;
  padding-top: clamp(3rem, 6vw, 6rem);
  padding-bottom: clamp(3rem, 7vw, 6.5rem);
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-background) 100%);
  overflow: hidden;
}

.hero-bg-graphic {
  position: absolute;
  top: 0;
  right: 0;
  width: 65%;
  height: 100%;
  pointer-events: none;
  opacity: 0.75;
  z-index: 1;
}

.hero-dashboard-preview {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-float);
  border: 1px solid rgba(16, 27, 53, 0.08);
  background: var(--color-surface);
  transition: transform var(--transition-normal);
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  height: 380px;
  overflow: hidden;
}

.hero-main-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}

.hero-dashboard-preview:hover .hero-main-img {
  transform: scale(1.03);
}

.hero-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16, 27, 53, 0.15) 0%, rgba(16, 27, 53, 0.65) 100%);
}

.hero-glass-card {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.live-status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #10B981;
  display: inline-block;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.floating-stat-pill {
  position: absolute;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card-hover);
  padding: 0.75rem 1.2rem;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 3;
  animation: floatSlow 4s ease-in-out infinite;
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Service & Component Cards */
.silsila-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  height: auto;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.row > [class*="col"] > .silsila-card,
.silsila-card.h-100 {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.silsila-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card-hover);
}

.silsila-card.featured {
  border-top: 4px solid var(--color-accent);
}

/* Dynamic Quotation / Proposal Wizard Styles */
.quote-service-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.15rem;
  margin-top: 0.5rem;
}

.service-choice-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  background: #FFFFFF;
  border: 2px solid var(--color-border, #E2E8F0);
  border-radius: var(--radius-md, 14px);
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 6px rgba(16, 27, 53, 0.03);
  position: relative;
  user-select: none;
}

.service-choice-card:hover {
  border-color: var(--color-accent, #F47721);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(244, 119, 33, 0.12);
}

.service-choice-card.selected,
.service-choice-card:has(input:checked) {
  border-color: var(--color-accent, #F47721) !important;
  background: rgba(244, 119, 33, 0.04) !important;
  box-shadow: 0 0 0 1px var(--color-accent, #F47721), 0 8px 25px rgba(244, 119, 33, 0.15) !important;
}

.service-choice-card .card-icon-box {
  width: 46px;
  height: 46px;
  min-width: 46px;
  border-radius: 12px;
  background: var(--color-accent-soft, rgba(244, 119, 33, 0.1));
  color: var(--color-accent, #F47721);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin: 0;
  transition: all 0.2s ease;
}

.service-choice-card.selected .card-icon-box,
.service-choice-card:has(input:checked) .card-icon-box {
  background: var(--color-accent, #F47721);
  color: #FFFFFF;
  transform: scale(1.05);
}

.service-choice-card .choice-title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-primary, #101B35);
  line-height: 1.25;
  margin-bottom: 0.2rem;
}

.service-choice-card .choice-category {
  font-size: 0.76rem;
  color: var(--color-muted, #64748B);
  font-weight: 500;
}

.service-choice-card::after {
  content: '';
  position: absolute;
  top: 12px;
  right: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent, #F47721);
  opacity: 0;
  transform: scale(0.5);
  transition: all 0.2s ease;
}

.service-choice-card.selected::after,
.service-choice-card:has(input:checked)::after {
  opacity: 1;
  transform: scale(1);
}

.card-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: var(--color-secondary-soft);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  transition: all var(--transition-fast);
}

.silsila-card:hover .card-icon-box {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  transform: scale(1.08);
}

.card-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-action-link {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.silsila-card:hover .card-action-link {
  color: var(--color-accent);
  gap: 0.7rem;
}

/* Interactive Service Explorer */
.service-explorer-tabs {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding-bottom: 0.75rem;
  margin-bottom: 2rem;
  scrollbar-width: thin;
}

.explorer-tab-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 0.65rem 1.4rem;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--color-text);
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.explorer-tab-btn:hover {
  background: var(--color-surface-muted);
  border-color: var(--color-border-hover);
}

.explorer-tab-btn.active {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(16, 27, 53, 0.15);
}

.explorer-panel {
  display: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3.5vw, 3rem);
  box-shadow: var(--shadow-card);
}

.explorer-panel.active {
  display: block;
  animation: fadeIn 300ms ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Horizontal Service / Capabilities Scroller */
.horizontal-scroller-wrapper {
  position: relative;
}

.horizontal-scroller {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 1rem 0.25rem 2rem 0.25rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.horizontal-scroller::-webkit-scrollbar {
  display: none;
}

.scroller-card {
  flex: 0 0 320px;
  scroll-snap-align: start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.scroller-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-hover);
}

.scroller-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-bottom: 1.25rem;
}

.scroller-arrow-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.scroller-arrow-btn:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
  transform: scale(1.05);
}

/* 4-Step Process Section */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  position: relative;
}

.process-step-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  position: relative;
  transition: all var(--transition-normal);
}

.process-step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-accent);
}

.step-num {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 2.5rem;
  color: rgba(244, 119, 33, 0.22);
  line-height: 1;
  margin-bottom: 1rem;
}

.step-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.step-desc {
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 0;
}

/* FAQ Accordion */
.silsila-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.accordion-card.active {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
}

.accordion-header-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 1.75rem;
  background: transparent;
  border: none;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary);
  text-align: left;
  cursor: pointer;
  gap: 1rem;
}

.accordion-header-btn i {
  color: var(--color-muted);
  transition: transform var(--transition-fast);
  font-size: 1.1rem;
}

.accordion-card.active .accordion-header-btn i {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.accordion-content {
  display: none;
  padding: 0 1.75rem 1.4rem 1.75rem;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

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

/* Footer */
.silsila-footer {
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding-top: 5rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-heading {
  color: #FFFFFF;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.35rem;
  letter-spacing: -0.01em;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: #94A3B8;
  font-size: 0.92rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  color: #64748B;
  font-size: 0.88rem;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* Back to Top Button */
.back-to-top-btn {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-card-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-normal);
  z-index: 999;
}

.back-to-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top-btn:hover {
  background: var(--color-accent);
  color: #FFFFFF;
  transform: translateY(-4px);
}

/* Motion and Accessibility */
.fade-in-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.fade-in-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}