/* 
   Mokha Shared CSS Design System
   Based on Corporate Guidelines (Lato, Deep Teal, Mint Teal, Charcoal, Terracotta, Off-White)
*/

@import url('https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,300;0,400;0,700;0,900;1,300;1,400;1,700&display=swap');

:root {
  --color-primary: #0f766e;      /* Deep Teal */
  --color-primary-rgb: 15, 118, 110;
  --color-secondary: #7bae9e;    /* Mint Teal */
  --color-secondary-rgb: 123, 174, 158;
  --color-dark: #1f2937;         /* Charcoal Gray */
  --color-dark-rgb: 31, 41, 55;
  --color-accent: #c97b63;       /* Terracotta Accent */
  --color-accent-rgb: 201, 123, 99;
  --color-white: #f8fafc;        /* Off-white */
  --color-white-rgb: 248, 250, 252;
  
  --font-main: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --header-height: 80px;
  --border-radius: 12px;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 4px rgba(31, 41, 55, 0.05);
  --shadow-md: 0 4px 20px rgba(31, 41, 55, 0.08);
  --shadow-lg: 0 10px 30px rgba(15, 118, 110, 0.12);
}

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

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

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-white);
}
::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

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

h1 {
  font-size: 2.75rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2.25rem;
  position: relative;
  padding-bottom: 0.75rem;
  margin-bottom: 2rem;
}

/* Dynamic underline for section titles */
h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: 2px;
}

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

.text-center .hero-cta {
  justify-content: center;
}

.text-center h2::after {
  left: 50%;
  transform: translateX(-50%);
}

p {
  margin-bottom: 1.25rem;
  color: rgba(31, 41, 55, 0.85);
  font-size: 1.1rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-smooth);
}

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

/* Global Layout Grid & Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 5rem 0;
  position: relative;
}

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

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

.bg-dark p {
  color: rgba(248, 250, 252, 0.85);
}

.bg-light-teal {
  background-color: rgba(123, 174, 158, 0.08);
}

/* Navigation Header */
header.site-header {
  position: fixed;
  top: 0;
  left: 0;
  margin: 0;
  padding: 0;
  width: 100%;
  height: auto;
  background-color: rgba(248, 250, 252, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 118, 110, 0.1);
  z-index: 1000;
  transition: var(--transition-smooth);
}

header.site-header.scrolled {
  box-shadow: var(--shadow-md);
  background-color: rgba(248, 250, 252, 0.98);
}

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

header.site-header.scrolled .nav-container {
  height: 65px;
}

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

.logo-img {
  height: 40px;
  width: auto;
  transition: var(--transition-smooth);
}

header.site-header.scrolled .logo-img {
  height: 35px;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--color-primary);
}

/* Nav Menu */
nav.main-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-dark);
  position: relative;
  padding: 0.5rem 0;
}

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

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

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

/* Controls (Language switch) */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--color-secondary);
  border-radius: 20px;
  overflow: hidden;
  background: white;
}

.lang-btn {
  padding: 0.35rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  background: transparent;
  border: none;
  color: var(--color-dark);
  transition: var(--transition-smooth);
}

.lang-btn.active, .lang-btn:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-dark);
  margin: 5px 0;
  transition: var(--transition-smooth);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(15, 118, 110, 0.2);
}

.btn-primary:hover {
  background-color: var(--color-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(201, 123, 99, 0.2);
}

.btn-accent:hover {
  background-color: #b06650;
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Hero Section */
.hero-wrapper {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--header-height);
  background: radial-gradient(circle at 80% 20%, rgba(123, 174, 158, 0.15) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(201, 123, 99, 0.08) 0%, transparent 50%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-text h1 {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-text h1 span {
  color: var(--color-primary);
  position: relative;
}

.hero-text p.slogan {
  font-size: 1.5rem;
  color: var(--color-accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 2rem;
}

.hero-text p.desc {
  font-size: 1.25rem;
  color: rgba(31, 41, 55, 0.8);
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
}

.hero-graphics {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

/* Styled abstract circles instead of heavy images */
.abstract-artwork {
  position: relative;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}

.abstract-artwork::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background-color: var(--color-accent);
  opacity: 0.85;
  z-index: -1;
  animation: float-reverse 8s ease-in-out infinite;
}

.abstract-artwork::after {
  content: '';
  position: absolute;
  bottom: 20px;
  left: -40px;
  width: 100px;
  height: 100px;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  background-color: rgba(31, 41, 55, 0.2);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(3deg); }
}

@keyframes float-reverse {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(10px) scale(1.05); }
}

/* Feature Showcase (Home page) */
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.feature-image-placeholder {
  height: 400px;
  background-color: rgba(15, 118, 110, 0.05);
  border: 2px dashed var(--color-secondary);
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: var(--color-primary);
  text-align: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.feature-image-placeholder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.02), rgba(201, 123, 99, 0.02));
}

.placeholder-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

/* Page Intro Header Banner */
.page-header-banner {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.1), rgba(123, 174, 158, 0.05));
  text-align: center;
  border-bottom: 1px solid rgba(15, 118, 110, 0.05);
}

.page-header-banner h1 {
  font-size: 3.25rem;
  margin-bottom: 1rem;
}

.page-header-banner p {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.25rem;
  color: rgba(31, 41, 55, 0.75);
}

/* Cards & Philosophy Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.card {
  background-color: white;
  border-radius: var(--border-radius);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(31, 41, 55, 0.05);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card:hover, .card.active {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(15, 118, 110, 0.15);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-primary);
  opacity: 0.1;
  transition: var(--transition-smooth);
}

.card:hover::before, .card.active::before {
  opacity: 1;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
}

.card-num {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(123, 174, 158, 0.15);
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  transition: var(--transition-smooth);
}

.card:hover .card-num, .card.active .card-num {
  color: rgba(201, 123, 99, 0.25);
  transform: scale(1.1);
}

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  background-color: rgba(15, 118, 110, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
  transition: var(--transition-smooth);
}

.card:hover .card-icon, .card.active .card-icon {
  background-color: var(--color-accent);
  color: white;
}

.card h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
  color: var(--color-dark);
}

.card p {
  font-size: 1rem;
  color: rgba(31, 41, 55, 0.8);
  margin-bottom: 0;
  flex-grow: 1;
}

/* Service Detail Showcase */
.service-showcase {
  display: flex;
  flex-direction: column;
  gap: 6rem;
}

.service-block {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: center;
}

.service-block:nth-child(even) {
  grid-template-columns: 1.2fr 1fr;
}

.service-block:nth-child(even) .service-graphic-col {
  order: 2;
}

.service-graphic-col {
  position: relative;
}

.service-graphic-shape {
  width: 100%;
  height: 300px;
  border-radius: var(--border-radius);
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.05), rgba(123, 174, 158, 0.15));
  border: 1px solid rgba(15, 118, 110, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.service-graphic-shape::after {
  content: '';
  position: absolute;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-secondary) 0%, transparent 70%);
  opacity: 0.3;
  top: 10%;
  left: 10%;
}

.service-tag {
  display: inline-block;
  padding: 0.35rem 1rem;
  background-color: rgba(201, 123, 99, 0.1);
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  border-radius: 20px;
  margin-bottom: 1rem;
  letter-spacing: 1px;
}

.service-features-list {
  list-style: none;
  margin-top: 1.5rem;
}

.service-features-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.75rem;
  font-size: 1rem;
  color: rgba(31, 41, 55, 0.85);
}

.service-features-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-primary);
  font-weight: bold;
}

/* Interactive Differentiator Callout */
.differentiator-box {
  background: linear-gradient(135deg, var(--color-dark) 0%, #111827 100%);
  color: white;
  border-radius: 20px;
  padding: 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.differentiator-box::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(123, 174, 158, 0.15) 0%, transparent 70%);
}

.differentiator-box::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 123, 99, 0.1) 0%, transparent 70%);
}

.differentiator-box h3 {
  font-size: 2rem;
  color: var(--color-secondary);
  margin-bottom: 1.5rem;
}

.differentiator-box p.large {
  font-size: 1.45rem;
  max-width: 900px;
  margin: 0 auto;
  line-height: 1.6;
  color: rgba(248, 250, 252, 0.9);
}

/* Contact Page Layout & Forms */
.contact-wrapper {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-info {
  background-color: var(--color-primary);
  color: white;
  padding: 3.5rem;
  border-radius: var(--border-radius);
  height: 100%;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.contact-info::before {
  content: '';
  position: absolute;
  bottom: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background-color: rgba(123, 174, 158, 0.2);
}

.contact-info h3 {
  color: white;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}

.contact-info p {
  color: rgba(248, 250, 252, 0.9);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.contact-details {
  list-style: none;
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(248, 250, 252, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-detail-text h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-secondary);
  margin-bottom: 0.25rem;
}

.contact-detail-text p {
  margin: 0;
  color: white;
  font-size: 1rem;
}

.contact-form-container {
  background-color: white;
  padding: 3.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(31, 41, 55, 0.05);
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  margin-bottom: 1.75rem;
  position: relative;
}

.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.25rem;
  font-family: var(--font-main);
  font-size: 1rem;
  border: 2px solid rgba(31, 41, 55, 0.1);
  border-radius: 8px;
  outline: none;
  background-color: var(--color-white);
  color: var(--color-dark);
  transition: var(--transition-smooth);
}

.form-control:focus {
  border-color: var(--color-primary);
  background-color: white;
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.1);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

.form-status {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  display: none;
}

.form-status.success {
  background-color: rgba(123, 174, 158, 0.15);
  color: var(--color-primary);
  border: 1px solid var(--color-secondary);
  display: block;
}

.form-status.error {
  background-color: rgba(201, 123, 99, 0.15);
  color: #b06650;
  border: 1px solid var(--color-accent);
  display: block;
}

/* Footer styling */
footer.site-footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(248, 250, 252, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  color: white;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  letter-spacing: 1px;
}

.footer-brand p {
  color: rgba(248, 250, 252, 0.7);
  font-size: 0.95rem;
}

.footer-links-col h4 {
  color: white;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  position: relative;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: rgba(248, 250, 252, 0.7);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--color-secondary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(248, 250, 252, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(248, 250, 252, 0.5);
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  color: rgba(248, 250, 252, 0.5);
}

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

/* Mobile responsive media queries */
@media (max-width: 992px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.85rem; }
  
  .container {
    padding: 0 1.5rem;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .hero-graphics {
    order: -1;
  }
  
  .abstract-artwork {
    width: 300px;
    height: 300px;
  }
  
  .feature-split {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .feature-image-placeholder {
    height: 300px;
  }
  
  .service-block, .service-block:nth-child(even) {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .service-block:nth-child(even) .service-graphic-col {
    order: 0;
  }
  
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  
  .container {
    padding: 0 1.25rem;
  }
  
  .section {
    padding: 3.5rem 0;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.65rem; margin-bottom: 1.5rem; }
  h3 { font-size: 1.35rem; }
  p { font-size: 1.05rem; }
  
  .hero-text p.slogan {
    font-size: 1.15rem;
    margin-bottom: 1.25rem;
    letter-spacing: 2px;
  }
  
  .hero-text p.desc {
    font-size: 1.1rem;
    margin-bottom: 2rem;
  }
  
  .abstract-artwork {
    width: 240px;
    height: 240px;
  }
  
  .abstract-artwork::before {
    width: 100px;
    height: 100px;
    right: -10px;
    top: -10px;
  }
  
  .abstract-artwork::after {
    width: 70px;
    height: 70px;
    left: -20px;
    bottom: 10px;
  }
  
  .feature-image-placeholder {
    height: 250px;
    padding: 1.5rem;
  }
  
  .service-graphic-shape {
    height: 220px;
  }
  
  .cards-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    gap: 1.25rem;
    margin-top: 2rem;
    padding: 0.5rem 0.25rem 1.5rem;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  
  .cards-grid::-webkit-scrollbar {
    display: none;
  }
  
  .card {
    flex: 0 0 85%;
    max-width: 320px;
    scroll-snap-align: center;
    padding: 1.75rem 1.5rem;
  }
  
  .card-num {
    font-size: 2.75rem;
    top: 1rem;
    right: 1rem;
  }
  
  .mobile-toggle {
    display: block;
    z-index: 1100;
  }
  
  /* Mobile drawer navigation */
  nav.main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--color-white);
    box-shadow: -5px 0 20px rgba(31, 41, 55, 0.15);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 3rem;
    z-index: 1050;
    transition: var(--transition-smooth);
    padding: 2rem;
  }
  
  nav.main-nav.open {
    right: 0;
  }
  
  .nav-links {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }
  
  .nav-controls {
    flex-direction: column;
  }
  
  .mobile-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
  }
  
  .mobile-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
  }
  
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .differentiator-box {
    padding: 2.5rem 1.25rem;
  }
  
  .differentiator-box p.large {
    font-size: 1.15rem;
  }
  
  .contact-info, .contact-form-container {
    padding: 2rem 1.5rem;
  }
  
  .footer-bottom {
    flex-direction: column-reverse;
    gap: 1.5rem;
    text-align: center;
  }
  
  .footer-bottom-links {
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }
  
  .hero-cta .btn {
    width: 100%;
  }
  
  .abstract-artwork {
    width: 180px;
    height: 180px;
  }
  
  .abstract-artwork::before {
    width: 80px;
    height: 80px;
    right: -5px;
    top: -5px;
  }
  
  .abstract-artwork::after {
    width: 50px;
    height: 50px;
    left: -15px;
    bottom: 5px;
  }
}

/* ==========================================================================
   Announcement Top Banner (Nexus Coming Soon)
   ========================================================================== */
.top-announcement-banner {
  background: linear-gradient(90deg, #0f766e 0%, #1e3a8a 50%, #c97b63 100%);
  color: #ffffff;
  margin: 0;
  top: 0;
  left: 0;
  padding: 0.65rem 1rem;
  font-size: 0.95rem;
  position: relative;
  width: 100%;
  z-index: 1001;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  transition: max-height 0.4s ease, opacity 0.3s ease;
}

.top-announcement-banner.hidden {
  display: none !important;
}

.banner-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  text-align: center;
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2.5rem 0 1rem;
}

.banner-badge {
  background-color: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.2rem 0.65rem;
  border-radius: 20px;
  white-space: nowrap;
  margin: 0;
}

.banner-text {
  font-weight: 600;
  color: #f8fafc;
  margin: 0;
}

.banner-link {
  color: #ffffff;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: transform 0.2s ease, opacity 0.2s ease;
  margin: 0;
}

.banner-link:hover {
  color: #ffffff;
  opacity: 0.9;
  transform: translateX(3px);
}

.banner-close-btn {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.1rem 0.4rem;
  line-height: 1;
  border-radius: 50%;
  transition: var(--transition-smooth);
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
}

.banner-close-btn:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.2);
}

@media (max-width: 768px) {
  .banner-container {
    padding: 0 2rem 0 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.4rem;
    margin: 0 auto;
  }
  .banner-badge {
    font-size: 0.7rem;
  }
  .top-announcement-banner {
    font-size: 0.85rem;
    padding: 0.5rem 0.75rem;
    margin-top: 0;
  }
}

/* ==========================================================================
   Nexus Pre-Registration Page Specifics
   ========================================================================== */
.nexus-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(15, 118, 110, 0.08);
  color: var(--color-primary);
  border: 1px solid rgba(15, 118, 110, 0.2);
  padding: 0.4rem 1.2rem;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.nexus-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.nexus-hero {
  padding: 9rem 0 5rem;
  background: radial-gradient(circle at 75% 20%, rgba(15, 118, 110, 0.12) 0%, transparent 60%),
              radial-gradient(circle at 20% 80%, rgba(201, 123, 99, 0.08) 0%, transparent 50%);
}

.nexus-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.nexus-hero-title {
  font-size: 3.25rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.nexus-hero-title span {
  color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary), #1e3a8a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nexus-tagline {
  font-size: 1.3rem;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.nexus-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.nexus-feature-card {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  border: 1px solid rgba(31, 41, 55, 0.08);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.nexus-feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(15, 118, 110, 0.2);
}

.nexus-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.1), rgba(123, 174, 158, 0.2));
  color: var(--color-primary);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.nexus-feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--color-dark);
}

.nexus-feature-card p {
  font-size: 0.95rem;
  color: rgba(31, 41, 55, 0.8);
  margin-bottom: 0;
}

.preregister-card {
  background: white;
  border-radius: 20px;
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(15, 118, 110, 0.15);
  position: relative;
}

.preregister-card h3 {
  font-size: 1.85rem;
  margin-bottom: 0.75rem;
  color: var(--color-dark);
}

.preregister-card p.subtitle {
  font-size: 1rem;
  color: rgba(31, 41, 55, 0.75);
  margin-bottom: 2rem;
}

.form-status {
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  display: none;
}

.form-status.success {
  background-color: rgba(16, 185, 129, 0.1);
  color: #065f46;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.form-status.error {
  background-color: rgba(239, 68, 68, 0.1);
  color: #991b1b;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

@media (max-width: 992px) {
  .nexus-hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}