/* Enhanced South African Flag Website - Modern CSS */
/* Reset and Base Styles */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* South African Flag Colors */
  --sa-green: #007749;
  --sa-gold: #ffb612;
  --sa-red: #de3831;
  --sa-blue: #002395;
  --sa-white: #ffffff;
  --sa-black: #000000;

  /* Enhanced Color Palette */
  --sa-green-light: #00a85e;
  --sa-green-dark: #005a37;
  --sa-gold-light: #ffc740;
  --sa-gold-dark: #e6a200;
  --sa-red-light: #ff4a42;
  --sa-red-dark: #c42e28;
  --sa-blue-light: #0033cc;
  --sa-blue-dark: #001a66;

  /* Modern Gradients */
  --gradient-white: linear-gradient(180deg, #ffffff 0%, #f5f5f5 100%);
  --gradient-primary: linear-gradient(135deg, var(--sa-green), var(--sa-gold));
  --gradient-secondary: linear-gradient(135deg, var(--sa-red), var(--sa-blue));
  --gradient-accent: linear-gradient(135deg, var(--sa-gold), var(--sa-green));
  --gradient-dark: linear-gradient(135deg, #1a1a1a, #2d2d2d);

  /* Typography */
  --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  --font-display: "Poppins", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-base: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

/* Web Fonts Import */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800&display=swap");

/* Base Styles */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  overflow-x: hidden; /* Increased for 3D header */
  background: white;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Enhanced Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* 3D Navigation Header - Initially hidden above the viewport */
header.scroll-header {
  color: white;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  height: 90px;
  background: none;
  perspective: 1000px;

  /* Hidden by default */
  opacity: 0;
  transform: translateY(-100%);
  transition: opacity 0.4s ease, transform 0.4s ease;
  pointer-events: none;
}

/* Becomes visible after scroll */
header.scroll-header.visible-header {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

/* Hide background while nav is hidden */
header.scroll-header:not(.visible-header) .flag-header {
  background: transparent !important;
  background-image: none !important;
  box-shadow: none !important;
  border-bottom: none !important;
}

/* 3D Flag Background — untouched visual styling */
.flag-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-white);
  transition: background 0.4s ease, box-shadow 0.4s ease;

  background-image: linear-gradient(
      to right,
      rgba(255, 255, 255, 0.95) 240px,
      transparent 240px
    ),
    linear-gradient(
      0deg,
      var(--sa-green) 0%,
      var(--sa-green) 30%,
      var(--sa-gold) 30%,
      var(--sa-gold) 40%,
      var(--sa-red) 40%,
      var(--sa-red) 60%,
      var(--sa-blue) 60%,
      var(--sa-blue) 100%
    ),
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 10px,
      rgba(255, 255, 255, 0.05) 10px,
      rgba(255, 255, 255, 0.05) 20px
    );

  background-size: 100% 100%, 100% 100%, 30px 30px;
  background-position: 0 0, 240px 0, 0 0;
  background-repeat: no-repeat, no-repeat, repeat;

  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  border-bottom: 3px solid var(--sa-gold);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

@keyframes flagWave {
  0%,
  100% {
    transform: rotateX(0deg) rotateY(0deg);
  }
  25% {
    transform: rotateX(1deg) rotateY(0.5deg);
  }
  50% {
    transform: rotateX(0deg) rotateY(1deg);
  }
  75% {
    transform: rotateX(-1deg) rotateY(0.5deg);
  }
}

/* 3D Navigation Bar */
nav {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-xl);
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.6));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);

  /* 3D Effect */
  transform-style: preserve-3d;

  /* Enhanced Border */
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* 3D Logo */
.logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--sa-white);
  text-decoration: none;

  /* 3D Text Effect */
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.8), 0 2px 0 rgba(0, 0, 0, 0.7),
    0 3px 0 rgba(0, 0, 0, 0.6), 0 4px 0 rgba(0, 0, 0, 0.5),
    0 5px 10px rgba(0, 0, 0, 0.4);

  /* Gradient Text */
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;

  transition: all var(--transition-base);
  transform-style: preserve-3d;
  position: relative;
}

.logo:hover {
  transform: translateZ(10px) scale(1.05);
  filter: drop-shadow(0 10px 20px rgba(255, 182, 18, 0.3));
}

/* 3D Navigation Links */
.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-2xl);
  margin: 0;
  padding: 0;
  transform-style: preserve-3d;
}

.nav-links li {
  position: relative;
  transform-style: preserve-3d;
}

.nav-links a {
  color: var(--sa-white);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-lg);
  position: relative;
  transition: all var(--transition-base);
  transform-style: preserve-3d;

  /* 3D Button Effect */
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1),
    rgba(255, 255, 255, 0.05)
  );
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  /* Subtle 3D Shadow */
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.nav-links a::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-accent);
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.nav-links a:hover {
  color: var(--sa-black);
  transform: translateZ(5px) translateY(-2px);
  box-shadow: 0 8px 16px rgba(255, 182, 18, 0.3), 0 4px 8px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.nav-links a:hover::before {
  opacity: 1;
}

.nav-links a:active {
  transform: translateZ(2px) translateY(0px);
}

/* 3D Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1),
    rgba(255, 255, 255, 0.05)
  );
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--sa-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-base);
  transform-style: preserve-3d;

  /* 3D Effect */
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.mobile-menu-toggle:hover {
  background: var(--gradient-accent);
  color: var(--sa-black);
  transform: translateZ(3px);
  box-shadow: 0 6px 12px rgba(255, 182, 18, 0.3), 0 3px 6px rgba(0, 0, 0, 0.2);
}

/* Enhanced Hero Section */
.hero {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  perspective: 1000px;
}

.hero-tech-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.floating-icon {
  position: absolute;
  width: 60px;
  height: 60px;
  opacity: 0.3;
  animation: float 6s ease-in-out infinite;
  filter: brightness(0) invert(1); /* Makes icons white */
}

.floating-icon.wifi {
  top: 10%;
  right: 20%;
  animation-delay: 2s;
}

.floating-icon.iot {
  bottom: 30%;
  left: 10%;
  animation-delay: 4s;
}

.floating-icon.ai {
  top: 40%;
  left: 80%;
  animation-delay: 6s;
}

.hero-background-image {
  position: absolute;
  width: 100%;
  height: 100vh;
  background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url(/imagez/South-Africa-internet-broadband-adsl-cable.jpg);
  /* background-image: url(/imagez/South-Africa-internet-broadband-adsl-cable.jpg); */
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

/* 3D Hero Content */
.hero-content {
  margin-top: -40px;
  position: relative;
  z-index: 5;
  text-align: center;
  color: white;
  padding: var(--spacing-3xl);
  border-radius: var(--radius-2xl);

  /* 3D Transform */
  transform-style: preserve-3d;
  animation: heroContentFloat 3s ease-in-out infinite;
}

@keyframes heroContentFloat {
  0%,
  100% {
    transform: translateY(0px) rotateX(0deg);
  }
  50% {
    transform: translateY(-10px) rotateX(1deg);
  }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: var(--spacing-lg);

  /* 3D Text Effect */
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: white;
  background-clip: text;

  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.8), 0 2px 0 rgba(0, 0, 0, 0.7),
    0 3px 0 rgba(0, 0, 0, 0.6), 0 4px 10px rgba(0, 0, 0, 0.4);

  animation: slideInUp 1s ease-out;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
  animation: slideInUp 1s ease-out 0.2s both;
  font-weight: 400;
}

/* Enhanced Buttons */
.hero-cta {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
  animation: slideInUp 1s ease-out 0.4s both;
}

.btn {
  padding: var(--spacing-lg) var(--spacing-2xl);
  border: none;
  border-radius: var(--radius-xl);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;

  /* 3D Effect */
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left var(--transition-base);
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateZ(5px) translateY(-3px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3), 0 4px 8px rgba(0, 0, 0, 0.2);
}

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

.btn-secondary {
  background: var(--gradient-secondary);
  color: white;
}

.btn-tertiary {
  background: linear-gradient(135deg, var(--sa-red-light), var(--sa-red-dark));
  color: white;
}

.btn-quaternary {
  background: linear-gradient(
    135deg,
    var(--sa-blue-light),
    var(--sa-blue-dark)
  );
  color: white;
}

/* Enhanced Animations */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px) rotateX(10deg);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
  }
}

/* Enhanced Sections */
.green-section,
.gold-section,
.red-section,
.blue-section,
.white-section,
.black-section {
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

#register {
  color: white;
}

#partners {
  color: black;
}

.green-section {
  background: linear-gradient(
    135deg,
    var(--sa-green-light),
    var(--sa-green-dark)
  );
  color: white;
}

.gold-section {
  background: linear-gradient(
    135deg,
    var(--sa-gold-light),
    var(--sa-gold-dark)
  );
  color: white;
}

.red-section {
  background: linear-gradient(135deg, var(--sa-red-light), var(--sa-red-dark));
  color: white;
}

.blue-section {
  background: linear-gradient(
    135deg,
    var(--sa-blue-light),
    var(--sa-blue-dark)
  );
  color: white;
}

.white-section {
  background: var(--gradient-secondary);
  color: black;
}

#black-section {
  background-color: black;
  color: white;
  text-align: center;
  padding: 40px 0;
}

#black-section h3 {
  margin-bottom: 1rem;
}

#black-section p {
  margin-bottom: 2rem;
  opacity: 0.8;
}

#black-section ul {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  list-style: none; /* Add this to remove default bullet points */
  padding: 0; /* Remove default padding */
}

#black-section ul li a {
  color: white;
  text-decoration: none;
}

#black-section .copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 2rem;
  opacity: 0.6;
}

/* Enhanced Section Titles */
.section-title {
  font-family: var(--font-display);
  text-align: center;
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-2xl);

  /* 3D Text Effect */
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.5), 0 2px 0 rgba(0, 0, 0, 0.4),
    0 3px 0 rgba(0, 0, 0, 0.3), 0 4px 10px rgba(0, 0, 0, 0.2);

  position: relative;
  z-index: 2;
}

.section-description {
  text-align: center;
  font-size: 1.3rem;
  margin-bottom: var(--spacing-2xl);
  opacity: 0.9;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* Enhanced Cards */
.vision-grid,
.use-cases-grid,
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.vision-card,
.use-case-card,
.partner-card {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1),
    rgba(255, 255, 255, 0.05)
  );
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;

  /* 3D Shadow */
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1), 0 6px 6px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.vision-card:hover,
.use-case-card:hover,
.partner-card:hover {
  transform: translateZ(10px) translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2), 0 12px 12px rgba(0, 0, 0, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Enhanced Timeline */
.programme-timeline {
  position: relative;
  margin-top: var(--spacing-2xl);
}

.timeline-item {
  display: flex;
  margin-bottom: var(--spacing-xl);
  position: relative;
  transform-style: preserve-3d;
}

.timeline-time {
  min-width: 120px;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.2),
    rgba(255, 255, 255, 0.1)
  );
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  font-weight: 600;
  margin-right: var(--spacing-xl);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);

  /* 3D Effect */
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.timeline-content {
  flex: 1;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1),
    rgba(255, 255, 255, 0.05)
  );
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  /* 3D Shadow */
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1), 0 3px 6px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Enhanced Form Elements */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  transform-style: preserve-3d;
}

.form-feedback-wrapper {
  margin-top: 1rem;
  min-height: 2rem;
}

.loading-message {
  display: none;
  color: #007bff;
  font-weight: 500;
  animation: fadeIn 0.5s ease-in-out;
}

.form-response {
  margin-top: 0.5rem;
  font-weight: 500;
  color: #28a745; /* success green */
  animation: fadeIn 0.5s ease-in-out;
}

.form-response.error {
  color: #dc3545; /* error red */
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}


.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  font-size: 1.1rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  transition: all var(--transition-base);
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1),
    rgba(255, 255, 255, 0.05)
  );
  color: inherit;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  /* 3D Effect */
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1),
    0 1px 0 rgba(255, 255, 255, 0.1);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--sa-gold);
  box-shadow: 0 0 0 3px rgba(255, 182, 18, 0.2),
    inset 0 2px 4px rgba(0, 0, 0, 0.1), 0 2px 8px rgba(255, 182, 18, 0.3);
  transform: translateZ(2px);
}

/* Enhanced FAB */
.fab {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 70px;
  height: 70px;
  background: var(--gradient-primary);
  color: var(--sa-black);
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-base);
  z-index: 1000;
  transform-style: preserve-3d;

  /* 3D Shadow */
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2), 0 4px 8px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.fab:hover {
  transform: translateZ(5px) scale(1.1);
  background: var(--gradient-secondary);
  color: var(--sa-white);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3), 0 6px 12px rgba(0, 0, 0, 0.2);
}

/* Enhanced Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 110px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: var(--gradient-accent);
  color: var(--sa-black);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  z-index: 999;
  font-size: 1.5rem;
  transition: all var(--transition-base);
  display: none;
  transform-style: preserve-3d;

  /* 3D Shadow */
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2), 0 3px 6px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.back-to-top:hover {
  background: var(--gradient-secondary);
  color: var(--sa-white);
  transform: translateZ(3px) translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3), 0 5px 10px rgba(0, 0, 0, 0.2);
}

/* Enhanced Scroll Progress Bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: var(--gradient-primary);
  z-index: 9999;
  transition: width var(--transition-fast);

  /* 3D Effect */
  box-shadow: 0 2px 4px rgba(255, 182, 18, 0.3), 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Enhanced Loading Animation */
.loading {
  display: none;
  color: #007bff;
  font-weight: 500;
  animation: fadeIn 0.5s ease-in-out;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 6px solid rgba(255, 255, 255, 0.3);
  border-top: 6px solid var(--sa-gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;

  /* 3D Effect */
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2), inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Enhanced Particles */
.particles-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--gradient-primary);
  border-radius: 50%;
  animation: float 4s ease-in-out infinite;

  /* 3D Effect */
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2), 0 0 10px rgba(255, 182, 18, 0.3);
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg) scale(1);
    opacity: 0.3;
  }
  50% {
    transform: translateY(-30px) rotate(180deg) scale(1.2);
    opacity: 0.8;
  }
}

/* Enhanced Municipality Tags */
.municipality-tag {
  background: var(--gradient-primary);
  color: var(--sa-black);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-xl);
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: var(--spacing-lg);
  transition: all var(--transition-base);

  /* 3D Effect */
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.municipality-tag:hover {
  transform: translateZ(2px) scale(1.05);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Enhanced Use Case Cards */
.use-case-header {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.2));
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  margin: calc(-1 * var(--spacing-xl)) calc(-1 * var(--spacing-xl)) 0
    calc(-1 * var(--spacing-xl));
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.use-case-body {
  padding: var(--spacing-lg) 0 0 0;
}

/* SEO and Performance Enhancements */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Print Styles */
@media print {
  .flag-header,
  .fab,
  .back-to-top,
  .scroll-progress,
  .mobile-menu-toggle {
    display: none !important;
  }

  body {
    padding-top: 0;
    background: white !important;
    color: black !important;
  }

  .hero-content,
  .vision-card,
  .use-case-card,
  .partner-card {
    background: white !important;
    color: black !important;
    box-shadow: none !important;
  }
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .nav-links a,
  .btn {
    border: 2px solid currentColor;
  }

  .vision-card,
  .use-case-card,
  .partner-card {
    border: 2px solid currentColor;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --sa-white: #1a1a1a;
    --sa-black: #ffffff;
  }

  .white-section {
    background: var(--gradient-dark);
    color: var(--sa-white);
  }

  .black-section {
    background: linear-gradient(135deg, #ffffff, #f8f9fa);
    color: var(--sa-black);
  }
}

/* Mobile Responsive Design */
@media (max-width: 768px) {
  :root {
    --spacing-xs: 0.125rem;
    --spacing-sm: 0.25rem;
    --spacing-md: 0.5rem;
    --spacing-lg: 0.75rem;
    --spacing-xl: 1rem;
    --spacing-2xl: 1.5rem;
    --spacing-3xl: 2rem;
  }
  header {
    height: 70px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: linear-gradient(
      135deg,
      rgba(0, 0, 0, 0.95),
      rgba(0, 0, 0, 0.9)
    );
    flex-direction: column;
    padding: var(--spacing-xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);

    /* 3D Mobile Menu */
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3), 0 5px 10px rgba(0, 0, 0, 0.2),
      inset 0 1px 0 rgba(255, 255, 255, 0.1);
  }

  .nav-links.active {
    display: flex;
    animation: slideInDown 0.3s ease-out;
  }

  .nav-links li {
    width: 100%;
    text-align: center;
    margin-bottom: var(--spacing-sm);
  }

  .nav-links a {
    display: block;
    padding: var(--spacing-lg);
    width: 100%;
    color: white;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
  }

  .hero-content {
    padding: var(--spacing-xl);
    margin: 0 var(--spacing-lg);
  }

  .section-title {
    font-size: 2rem;
  }

  .section-description {
    font-size: 1.1rem;
  }

  .vision-grid,
  .use-cases-grid,
  .partners-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .timeline-item {
    flex-direction: column;
  }

  .timeline-time {
    margin-right: 0;
    margin-bottom: var(--spacing-lg);
  }

  .fab {
    width: 60px;
    height: 60px;
    bottom: 20px;
    right: 20px;
  }

  .back-to-top {
    bottom: 90px;
    right: 20px;
    width: 50px;
    height: 50px;
  }

  /* Remove clip-paths on mobile for better compatibility */
  .hero-flag-row-1 .gold-section,
  .hero-flag-row-2 .gold-section,
  .hero-flag-row-3 .gold-section {
    clip-path: none;
  }

  .hero-flag-row-2 .green-section,
  .hero-flag-row-2 .gold-section,
  .hero-flag-row-2 .white-section,
  .hero-flag-row-2 .blue-section {
    width: 25%;
  }
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tablet Responsive Design */
@media (min-width: 769px) and (max-width: 1024px) {
  .hero h1 {
    font-size: 3rem;
  }

  .hero-content {
    padding: var(--spacing-2xl);
  }

  .vision-grid,
  .use-cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .partners-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Large Screen Optimizations */
@media (min-width: 1400px) {
  .container {
    max-width: 1400px;
  }

  .hero h1 {
    font-size: 4.5rem;
  }

  .hero-subtitle {
    font-size: 1.75rem;
  }

  .section-title {
    font-size: 3.5rem;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}
.d-none {
  display: none;
}
.d-block {
  display: block;
}
.d-flex {
  display: flex;
}
.d-grid {
  display: grid;
}
.hidden {
  display: none;
}
.visible {
  display: block;
}

/* Focus Styles for Better Accessibility */
.btn:focus,
.nav-links a:focus,
.mobile-menu-toggle:focus,
.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid var(--sa-gold);
  outline-offset: 2px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gradient-secondary);
}

/* === Enhanced Dark Mode Support (Manual Toggle) === */
.dark-mode {
  --sa-white: #1a1a1a;
  --sa-black: #ffffff;
  background: var(--gradient-dark);
  color: var(--sa-white);
}

/* === Tech Glow on Buttons and Cards === */
.btn:hover,
.vision-card:hover {
  box-shadow: 0 0 30px rgba(255, 182, 18, 0.5), 0 0 10px rgba(0, 255, 255, 0.3);
}

/* === Animated Flag Wave Effect (Activate) === */
.flag-header {
  animation: flagWave 4s ease-in-out infinite;
}

@keyframes flagWave {
  0%,
  100% {
    transform: rotateX(0deg) rotateY(0deg);
  }
  25% {
    transform: rotateX(1deg) rotateY(1deg);
  }
  50% {
    transform: rotateX(0deg) rotateY(2deg);
  }
  75% {
    transform: rotateX(-1deg) rotateY(1deg);
  }
}

/* === Futuristic Heading Font Option === */
@import url("https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700&display=swap");
:root {
  --font-futuristic: "Orbitron", sans-serif;
}

.hero h1,
.section-title {
  font-family: var(--font-futuristic);
}

/* === Neon Glow for CTA Buttons === */
.btn-primary:hover {
  box-shadow: 0 0 10px var(--sa-gold), 0 0 20px var(--sa-green);
}

/* === Technology & Connectivity Enhancements === */

/* 1. Global Network Background (Tech Grid) */
.network-background::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(
      circle at center,
      rgba(255, 255, 255, 0.02) 0%,
      transparent 70%
    ),
    repeating-linear-gradient(
      0deg,
      rgba(255, 255, 255, 0.03) 1px,
      transparent 2px
    ),
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.03) 1px,
      transparent 2px
    );
  background-size: cover;
  z-index: 0;
  pointer-events: none;
}

/* 2. Circuit Border Animation for Cards (Connectivity Visual) */
.card-tech::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px dashed rgba(0, 255, 255, 0.08);
  border-radius: inherit;
  pointer-events: none;
  z-index: 1;
  background: linear-gradient(135deg, rgba(0, 255, 255, 0.05), transparent);
  background-size: 200% 200%;
  animation: pulseLines 5s linear infinite;
}

@keyframes pulseLines {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 100% 100%;
  }
}

/* 3. Neon Node Glow on Hover */
.card-tech:hover {
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.2), 0 0 30px rgba(0, 255, 255, 0.15);
  border-color: rgba(0, 255, 255, 0.3);
}

/* 4. Icon Support for Section Titles (Optional) */
.section-title i {
  margin-right: 0.5rem;
  font-size: 1.2em;
  color: var(--sa-gold);
}

/* 5. Tech Button Pulse Effect */
.btn-tech {
  background: linear-gradient(135deg, #00c9ff, #92fe9d);
  color: #000;
  font-weight: bold;
  border-radius: var(--radius-xl);
  animation: pulseTech 2s infinite;
}

@keyframes pulseTech {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 255, 255, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(0, 255, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 255, 255, 0);
  }
}