/* ==========================================================================
   RESEARCH PAPER WALA - PREMIUM LUXURY LIGHT DESIGN SYSTEM
   ========================================================================== */

:root {
  /* High-Contrast Sleek White & Black Palette with Gold Accents */
  --bg-dark: #FAFAFA;
  --bg-surface: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F4F4F5;
  --bg-glass: rgba(255, 255, 255, 0.96);
  
  --primary-black: #09090B;
  --primary-gold: #C59B27;
  --primary-gold-light: #D4AF37;
  --primary-gold-dark: #8F6C12;
  --gold-gradient: linear-gradient(135deg, #D4AF37 0%, #C59B27 50%, #996515 100%);
  --gold-glow: 0 4px 20px rgba(197, 155, 39, 0.2);
  
  --text-main: #09090B;
  --text-muted: #4B5563;
  --text-dim: #6B7280;
  
  --border-light: rgba(0, 0, 0, 0.08);
  --border-gold: rgba(197, 155, 39, 0.3);
  --border-gold-bright: rgba(197, 155, 39, 0.6);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.06);
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-serif: 'Playfair Display', serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 13.6px;
  zoom: 0.85;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

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

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

/* Utility Classes */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.gold-text {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 3.5rem auto;
}

.section-subtitle {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-gold-light);
  margin-bottom: 0.75rem;
  display: inline-block;
  padding: 0.4rem 1.2rem;
  background: #09090B;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-description {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 1.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 1rem;
  text-align: center;
}

.btn-primary {
  background: #09090B;
  color: #FFFFFF;
  border: 1px solid #09090B;
  box-shadow: 0 4px 15px rgba(9, 9, 11, 0.15);
}

.btn-primary:hover {
  background: #18181B;
  border-color: var(--primary-gold);
  color: var(--primary-gold-light);
  transform: translateY(-2px);
  box-shadow: var(--gold-glow);
}

.btn-outline {
  background: transparent;
  color: #09090B;
  border: 1px solid #09090B;
}

.btn-outline:hover {
  background: #09090B;
  color: #FFFFFF;
  border-color: #09090B;
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: #FFF;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #20BA5A;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* ==========================================================================
   TOP BAR & NAVBAR
   ========================================================================== */

.top-bar {
  background: #11141A;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.5rem 0;
  font-size: 0.875rem;
  color: #E2E8F0;
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-info {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.top-bar-item i {
  color: var(--primary-gold-light);
}

.top-bar-socials {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: 0.5rem;
}

.top-bar-social-link {
  color: #E2E8F0;
  font-size: 0.9rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.top-bar-social-link:hover {
  color: #000;
  background: var(--gold-gradient);
  transform: translateY(-2px);
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
  padding: 0.75rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.navbar.scrolled {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-gold);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo img {
  height: 52px;
  width: auto;
  object-fit: contain;
}

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

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1.1;
  color: var(--text-main);
}

.brand-tagline {
  font-size: 0.7rem;
  color: var(--primary-gold);
  letter-spacing: 0.5px;
  font-weight: 700;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold-gradient);
  transition: var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  border-color: var(--primary-gold);
  color: var(--primary-gold);
  box-shadow: 0 0 10px rgba(197, 155, 39, 0.2);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero-section {
  position: relative;
  padding: 5.5rem 0 4rem 0;
  overflow: hidden;
  background: radial-gradient(circle at 80% 20%, rgba(0, 0, 0, 0.03) 0%, transparent 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.2rem;
  background: #09090B;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
  color: var(--primary-gold-light);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.5px;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-main);
  font-weight: 600;
}

.highlight-item i {
  color: var(--primary-gold);
  font-size: 1.2rem;
}

/* Banner Frame */
.hero-visual {
  position: relative;
}

.banner-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--border-gold);
  box-shadow: 0 15px 35px rgba(197, 155, 39, 0.2);
  background: var(--bg-card);
  transition: var(--transition);
}

.banner-wrapper:hover {
  transform: translateY(-5px) scale(1.01);
  border-color: var(--primary-gold);
}

.banner-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.floating-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(12px);
  z-index: 10;
}

.floating-badge-icon {
  width: 45px;
  height: 45px;
  background: var(--gold-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-size: 1.25rem;
}

.floating-badge-text strong {
  display: block;
  font-size: 1.1rem;
  color: var(--text-main);
}

.floating-badge-text span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Stats Counter Bar */
.stats-bar {
  margin-top: 4rem;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  box-shadow: var(--shadow-card);
}

.stat-box {
  text-align: center;
  position: relative;
}

.stat-box:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -1rem;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--border-light);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--primary-gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */

.about-section {
  padding: 6rem 0;
  background: var(--bg-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-card-main {
  background: var(--bg-dark);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
  box-shadow: var(--shadow-card);
}

.about-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(197, 155, 39, 0.1);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
  color: var(--primary-gold-dark);
  font-size: 0.8rem;
  font-weight: 700;
}

.about-pillars-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.pillar-item {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pillar-item i {
  color: var(--primary-gold);
}

.about-quote-box {
  background: linear-gradient(135deg, rgba(197, 155, 39, 0.08) 0%, rgba(248, 245, 238, 0.5) 100%);
  border-left: 4px solid var(--primary-gold);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.5rem 0;
  position: relative;
}

.about-quote-box .quote-icon {
  color: var(--primary-gold);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  display: block;
}

.about-quote-box p {
  margin-bottom: 0;
  color: var(--text-main);
  font-size: 0.95rem;
}

.about-card-main p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.mv-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.mv-box:hover {
  border-color: var(--border-gold);
  transform: translateY(-3px);
}

.mv-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.mv-header i {
  color: var(--primary-gold);
  font-size: 1.25rem;
}

.mv-header h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--text-main);
}

.mv-box p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}

.value-card:hover {
  border-color: var(--primary-gold);
  transform: translateY(-3px);
}

.value-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(197, 155, 39, 0.12);
  color: var(--primary-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

/* Why Choose Us Container */
.why-choose-us-container {
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border-light);
}

.why-choose-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.5rem;
}

.why-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
  display: flex;
  flex-direction: column;
}

.why-box:hover {
  border-color: var(--primary-gold);
  transform: translateY(-4px);
  box-shadow: 0 12px 25px rgba(197, 155, 39, 0.15);
}

.why-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(197, 155, 39, 0.1);
  border: 1px solid var(--border-gold);
  color: var(--primary-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.why-box h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.why-box p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.value-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

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

/* ==========================================================================
   SERVICES MATRIX (TABBED & CARDS)
   ========================================================================== */

.services-section {
  padding: 6rem 0;
  background: var(--bg-dark);
}

.services-tabs-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

.tab-btn i {
  color: var(--primary-gold);
}

.tab-btn:hover, .tab-btn.active {
  background: #09090B;
  color: var(--primary-gold-light);
  border-color: #09090B;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.tab-btn:hover i, .tab-btn.active i {
  color: var(--primary-gold-light);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.services-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.75rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
}

.service-card:hover {
  border-color: var(--primary-gold);
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(197, 155, 39, 0.18);
}

.service-num {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: rgba(197, 155, 39, 0.3);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(197, 155, 39, 0.1);
  border: 1px solid var(--border-gold);
  color: var(--primary-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-features-list {
  border-top: 1px solid var(--border-light);
  padding-top: 1rem;
  margin-bottom: 1.5rem;
}

.service-features-list li {
  font-size: 0.875rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.service-features-list li i {
  color: var(--primary-gold);
  font-size: 0.8rem;
}

/* ==========================================================================
   RESEARCH DOMAINS EXPLORER
   ========================================================================== */

.domains-section {
  padding: 6rem 0;
  background: var(--bg-surface);
}

.domain-search-box {
  max-width: 600px;
  margin: 0 auto 3rem auto;
  position: relative;
}

.domain-search-input {
  width: 100%;
  padding: 1rem 1.5rem 1rem 3.25rem;
  background: var(--bg-dark);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
  color: var(--text-main);
  font-size: 1rem;
  transition: var(--transition);
}

.domain-search-input:focus {
  outline: none;
  box-shadow: var(--gold-glow);
  border-color: var(--primary-gold);
}

.domain-search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary-gold);
  font-size: 1.1rem;
}

.domains-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.domain-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}

.domain-card:hover {
  border-color: var(--primary-gold);
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(197, 155, 39, 0.15);
}

.domain-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.domain-icon-wrapper {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(197, 155, 39, 0.1);
  color: var(--primary-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.domain-card-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
}

.domain-card-tags {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   TURNITIN SIMULATOR SHOWCASE
   ========================================================================== */

.plagiarism-section {
  padding: 6rem 0;
  background: var(--bg-dark);
}

.simulator-box {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.sim-info h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 1rem;
}

.sim-info p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.sim-metrics-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.sim-metric-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.sim-metric-item i {
  color: #10B981;
}

.sim-visualizer {
  background: var(--bg-dark);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
}

.turnitin-badge-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-light);
}

.turnitin-logo-text {
  font-weight: 700;
  font-size: 1.1rem;
  color: #2563EB;
}

.similarity-circle-container {
  position: relative;
  width: 170px;
  height: 170px;
  margin: 0 auto 1.5rem auto;
}

.similarity-circle-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.circle-bg {
  fill: none;
  stroke: rgba(0, 0, 0, 0.08);
  stroke-width: 12;
}

.circle-progress {
  fill: none;
  stroke: #10B981;
  stroke-width: 12;
  stroke-linecap: round;
  stroke-dasharray: 440;
  stroke-dashoffset: 80;
  transition: stroke-dashoffset 1s ease, stroke 0.5s ease;
}

.similarity-number-box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.sim-percent {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: #10B981;
  line-height: 1;
}

.sim-status {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  font-weight: 600;
}

.sim-controls {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* ==========================================================================
   PRICING & ESTIMATOR CALCULATOR
   ========================================================================== */

.calculator-section {
  padding: 6rem 0;
  background: var(--bg-surface);
}

.calc-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  box-shadow: var(--shadow-card);
}

.calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
}

.form-select, .form-input {
  width: 100%;
  padding: 0.85rem 1.2rem;
  background: var(--bg-dark);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-select:focus, .form-input:focus {
  outline: none;
  border-color: var(--primary-gold);
  box-shadow: 0 0 10px rgba(197, 155, 39, 0.2);
}

.calc-result-box {
  background: var(--bg-dark);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
  box-shadow: 0 8px 25px rgba(0,0,0,0.04);
}

.calc-price-display {
  margin: 1.5rem 0;
}

.calc-price-val {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-gold);
  line-height: 1;
}

.calc-price-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.calc-benefits-list {
  text-align: left;
  margin-bottom: 2rem;
}

.calc-benefits-list li {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.calc-benefits-list li i {
  color: var(--primary-gold);
}

/* ==========================================================================
   PROCESS WORKFLOW TIMELINE
   ========================================================================== */

.process-section {
  padding: 6rem 0;
  background: var(--bg-dark);
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.process-step {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  position: relative;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}

.process-step:hover {
  border-color: var(--primary-gold);
  transform: translateY(-4px);
  box-shadow: 0 12px 25px rgba(197, 155, 39, 0.15);
}

.step-num-badge {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gold-gradient);
  color: #000;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.step-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */

.faq-section {
  padding: 6rem 0;
  background: var(--bg-surface);
}

.faq-accordion {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.faq-item.active {
  border-color: var(--primary-gold);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question i {
  color: var(--primary-gold);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
  padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 1.5rem 1.5rem 1.5rem;
  transition: max-height 0.35s cubic-bezier(1, 0, 1, 0);
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ==========================================================================
   CONTACT SECTION & LEAD FORM
   ========================================================================== */

.contact-section {
  padding: 6rem 0;
  background: var(--bg-dark);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}

.contact-card:hover {
  border-color: var(--primary-gold);
  transform: translateX(5px);
}

.contact-card-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(197, 155, 39, 0.1);
  border: 1px solid var(--border-gold);
  color: var(--primary-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-card-details strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-card-details a, .contact-card-details span {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
}

.social-links-bar {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-link-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}

.social-link-btn:hover {
  background: var(--gold-gradient);
  color: #000;
  border-color: transparent;
}

.lead-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}

.lead-form-card h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.lead-form-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

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

.footer {
  background: #11141A;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 4rem 0 2rem 0;
  font-size: 0.9rem;
  color: #A0AEC0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 150px 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  margin: 1rem 0 1.5rem 0;
  line-height: 1.6;
}

.footer-brand .brand-name {
  color: #FFFFFF;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}

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

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

/* Floating Widgets */
.floating-whatsapp {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: #FFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
  animation: pulse 2s infinite;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6); }
  70% { box-shadow: 0 0 0 18px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Modal Window */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

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

.modal-container {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 550px;
  padding: 2.5rem;
  position: relative;
  transform: scale(0.9);
  transition: var(--transition);
  box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MOBILE / TABLET)
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid, .about-grid, .calc-wrapper, .simulator-box, .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .stat-box:nth-child(2)::after {
    display: none;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--bg-surface);
    flex-direction: column;
    padding: 2rem;
    align-items: flex-start;
    gap: 1.5rem;
    transition: var(--transition);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2rem;
  }
  
  .stats-bar {
    grid-template-columns: 1fr;
  }

  .stat-box::after {
    display: none;
  }

  .process-timeline {
    grid-template-columns: 1fr;
  }

  .values-grid, .mv-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .floating-badge {
    bottom: -15px;
    left: 10px;
    right: 10px;
  }
}