/* Meningitis Research Foundation - Main Styles */

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

:root {
  /* Brand Colors */
  --color-primary: #e85d3c; /* Coral Orange */
  --color-primary-dark: #d04725;
  --color-secondary: #00a0d2; /* Bright Blue */
  --color-secondary-dark: #0088b3;
  --color-accent: #8cc63f; /* Fresh Green */
  --color-accent-dark: #7ab32f;

  /* Neutrals */
  --color-white: #ffffff;
  --color-light: #f5f5f5;
  --color-gray: #666666;
  --color-dark: #333333;
  --color-black: #000000;

  /* Typography */
  --font-heading: "Poppins", sans-serif;
  --font-body: "Inter", sans-serif;

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

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition: all 0.3s ease;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-white);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

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

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

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

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

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn-large {
  padding: 1.25rem 3rem;
  font-size: 1.125rem;
}

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

/* Header */
.header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-top {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-xs) 0;
  font-size: 0.875rem;
}

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

.helpline {
  font-weight: 600;
}

.helpline a {
  color: var(--color-white);
  text-decoration: none;
  margin-left: var(--spacing-xs);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-links a {
  color: var(--color-white);
  text-decoration: none;
  transition: var(--transition);
}

.social-links a:hover {
  color: var(--color-primary);
}

.header-main {
  padding: var(--spacing-sm) 0;
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.nav {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav a {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-dark);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
}

.nav a:hover {
  color: var(--color-primary);
}

.nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition);
}

.nav a:hover::after {
  width: 100%;
}

.nav .btn {
  margin-left: var(--spacing-sm);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-dark);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, rgba(232, 93, 60, 0.1) 0%, rgba(0, 160, 210, 0.1) 100%);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-gray);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.prize-banner {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  display: inline-block;
  margin-bottom: var(--spacing-xl);
  font-size: 1.5rem;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Features Section */
.features {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-white);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--color-light);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background-color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.feature-card:nth-child(1) .feature-icon {
  color: var(--color-primary);
}

.feature-card:nth-child(2) .feature-icon {
  color: var(--color-secondary);
}

.feature-card:nth-child(3) .feature-icon {
  color: var(--color-accent);
}

.feature-card:nth-child(4) .feature-icon {
  color: var(--color-primary);
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--color-gray);
  margin-bottom: 0;
}

/* How It Works Section */
.how-it-works {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-light);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.step {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  position: relative;
  box-shadow: var(--shadow-sm);
}

.step-number {
  position: absolute;
  top: -20px;
  left: var(--spacing-lg);
  width: 50px;
  height: 50px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
}

.step h3 {
  margin-top: var(--spacing-md);
  font-size: 1.25rem;
}

.step p {
  color: var(--color-gray);
  margin-bottom: 0;
}

/* Impact Section */
.impact {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  text-align: center;
}

.impact h2 {
  color: var(--color-white);
}

.impact-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.stat {
  padding: var(--spacing-lg);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  font-family: var(--font-heading);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.stat-label {
  font-size: 1.125rem;
  opacity: 0.9;
}

/* Winners Section */
.winners {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-white);
}

.winners-carousel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.winner-card {
  background-color: var(--color-light);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
}

.winner-card h4 {
  color: var(--color-primary);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.winner-amount {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.winner-location {
  color: var(--color-gray);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
}

.winner-quote {
  font-style: italic;
  color: var(--color-gray);
  line-height: 1.6;
}

/* Trust Section */
.trust {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-dark);
  color: var(--color-white);
  text-align: center;
}

.trust-badges {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.trust-badge {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
}

/* Footer */
.footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--color-primary);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-xs);
}

.footer-section a {
  color: var(--color-white);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.875rem;
}

.footer-section a:hover {
  color: var(--color-primary);
}

.footer-section p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
}

.newsletter-form {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.newsletter-form input {
  flex: 1;
  padding: var(--spacing-sm);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
}

.newsletter-form button {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.newsletter-form button:hover {
  background-color: var(--color-primary-dark);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-bottom-links {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
}

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

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--color-gray);
  line-height: 1;
}

.modal-close:hover {
  color: var(--color-primary);
}

.modal h2 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

/* Form Styles */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid #ddd;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 4px;
}

.checkbox-group label {
  font-weight: normal;
  margin-bottom: 0;
}

.form-help {
  font-size: 0.875rem;
  color: var(--color-gray);
  margin-top: var(--spacing-xs);
}

.required {
  color: var(--color-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .nav.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
  }

  .hero-cta {
    flex-direction: column;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-bottom-links {
    justify-content: center;
  }

  .newsletter-form {
    flex-direction: column;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-0 {
  margin-top: 0;
}
.mt-1 {
  margin-top: var(--spacing-sm);
}
.mt-2 {
  margin-top: var(--spacing-md);
}
.mt-3 {
  margin-top: var(--spacing-lg);
}

.mb-0 {
  margin-bottom: 0;
}
.mb-1 {
  margin-bottom: var(--spacing-sm);
}
.mb-2 {
  margin-bottom: var(--spacing-md);
}
.mb-3 {
  margin-bottom: var(--spacing-lg);
}

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