:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #93c5fd;
  --secondary: #dc2626;
  --secondary-light: #fecaca;
  --text: #1f2937;
  --text-light: #6b7280;
  --background: #f8fafc;
  --card-bg: #ffffff;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
}

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

body {
  font-family: "Inter", sans-serif;
  color: var(--text);
  line-height: 1.6;
  background-color: var(--background);
}

.container {
  max-width: 90%;
  margin: 0 auto;
  padding: 0 6px;
}

/* Header & Navigation */
header {
  background-color: rgba(
    255,
    255,
    255,
    0.4
  ) !important; /* white with 40% opacity */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
}

.logo {
  font-size: 18px;
  font-weight: 500;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  position: relative;
  transition: color 0.3s;
}

.nav-links a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--primary);
  transition: width 0.3s;
}

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

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

.auth-buttons {
  display: flex;
  gap: 15px;
}

/* Buttons */
.btn {
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  border: none;
  font-size: 14px;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

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

.btn-secondary:hover {
  background-color: #b91c1c;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.2);
}

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

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

/* Hero Section */
.hero {
  color: #fff;
  text-align: center;
  padding: 110px 0 100px;
  margin-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.05;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path d="M0,0 L100,100 M100,0 L0,100" stroke="white" stroke-width="1"/></svg>');
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto 40px;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Section Titles */
section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto 50px;
}

/* Cards (How It Works) */
.cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.card {
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  padding: 30px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
  border-top: 4px solid var(--primary);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.card-icon {
  width: 80px;
  height: 80px;
  background-color: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--primary);
  font-size: 32px;
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--text);
}

.card p {
  color: var(--text-light);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.feature-item {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  gap: 15px;
  transition: transform 0.3s;
}

.feature-item:hover {
  transform: translateY(-5px);
}

.feature-icon {
  color: var(--success);
  font-size: 24px;
  flex-shrink: 0;
}

/* Stats */
.stats {
  color: white;
  text-align: center;
}
.main-section {
  position: relative;
  background: url("../logo/background.png") no-repeat center center;
  background-size: cover;
  color: white;
  text-align: center;
  z-index: 1;
}

.main-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.1); /* dark overlay */
  z-index: -1;
}
.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
}

.stat-item {
  padding: 20px;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* Testimonials */
.testimonial-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.testimonial {
  background: var(--background);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  margin: 20px;
  text-align: center;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 20px;
  color: var(--text);
}

.testimonial-author {
  font-weight: 600;
  color: var(--primary);
}

.testimonial-role {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* CTA */
.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-icon {
  font-size: 64px;
  color: var(--primary);
  margin-bottom: 20px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  flex-wrap: wrap;
}

/* Footer */
footer {
  background-color: #111827;
  color: #9ca3af;
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-column h3 {
  color: #fff;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

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

.footer-column ul li {
  margin-bottom: 10px;
}

.footer-column a {
  color: #9ca3af;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-column a:hover {
  color: #fff;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid #374151;
}

.social-links {
  display: flex;
  gap: 15px;
  margin: 20px 0;
  justify-content: center;
}

.social-links a {
  color: #9ca3af;
  font-size: 1.2rem;
  transition: color 0.3s;
}

.social-links a:hover {
  color: #fff;
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 30px auto;
  padding: 30px;
  background-color: var(--card-bg);
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.contact-form h2 {
  text-align: center;
  margin-bottom: 15px;
  font-size: 28px;
  color: var(--text);
}

.contact-form .form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}

.contact-form label {
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

.contact-form input,
.contact-form textarea {
  padding: 12px 15px;
  border-radius: 10px;
  border: 1px solid #ccc;
  font-size: 14px;
  outline: none;
  transition: 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--success);
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.3);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form button {
  display: inline-block;
  background-color: var(--success);
  color: #fff;
  padding: 12px 25px;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: 0.3s;
}

.contact-form button:hover {
  background-color: #059669;
  transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .nav-links {
    display: none;
  }

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

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

  .cta-buttons,
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .contact-form {
    padding: 20px;
    margin: 20px;
  }
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text);
  cursor: pointer;
}

/* Animation classes */
.animate-in {
  opacity: 1 !important;
  transform: translateY(0) !important;
}
html {
  scroll-behavior: smooth;
}
/* Alert Messages */
.alert {
  padding: 12px 20px;
  margin-bottom: 20px;
  border-radius: 6px;
  font-size: 14px;
  line-height: 1.5;
  animation: fadeIn 0.5s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* Success Message */
.alert-success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

/* Error Message */
.alert-danger {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.alert ul {
  margin: 0;
  padding-left: 18px;
}

/* Fade-in animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}