/* Base styles */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: Arial, sans-serif; }
body { color: #1a1a1a; line-height: 1.6; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; outline: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }
.text-center { text-align: center; }

/* Header */
header { background-color: rgba(255, 255, 255, 0.95); backdrop-filter: blur(4px); position: fixed; width: 100%; top: 0; z-index: 50; border-bottom: 1px solid #e5e7eb; }
.header-container { display: flex; justify-content: space-between; align-items: center; padding: 1rem; }
.logo { display: flex; align-items: center; gap: 0.5rem; }
.logo-icon { width: 2rem; height: 2rem; background: linear-gradient(to right, #2563eb, #9333ea); border-radius: 0.5rem; display: flex; align-items: center; justify-content: center; color: white; font-weight: bold; font-size: 0.875rem; }
.logo-text { font-size: 1.25rem; font-weight: bold; color: #111827; }
nav { display: none; }
@media (min-width: 768px) { nav { display: flex; } }
nav a { margin-left: 2rem; color: #4b5563; transition: color 0.3s; }
nav a:hover { color: #2563eb; }
.primary-button { background: linear-gradient(to right, #2563eb, #9333ea); color: white; padding: 1rem 2rem; border-radius: 0.5rem; font-weight: 600; transition: all 0.3s; }
.primary-button:hover { transform: scale(1.05); box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }
.mobile-menu-button { display: flex; flex-direction: column; justify-content: center; gap: 0.25rem; width: 1.5rem; height: 1.5rem; }
@media (min-width: 768px) { .mobile-menu-button { display: none; } }
.mobile-menu-button div { width: 100%; height: 2px; background-color: #4b5563; }

/* Hero section */
.hero { padding: 8rem 1rem 4rem; background: linear-gradient(to bottom right, #f9fafb, #e6f0ff); }
h1 { font-size: 2.5rem; font-weight: bold; margin-bottom: 1.5rem; }
@media (min-width: 768px) { h1 { font-size: 3.5rem; } }
h1 span { background: linear-gradient(to right, #2563eb, #9333ea); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-description { font-size: 1.25rem; color: #4b5563; margin-bottom: 2rem; max-width: 48rem; margin-left: auto; margin-right: auto; }
.hero-buttons { display: flex; flex-direction: column; gap: 1rem; justify-content: center; margin-bottom: 3rem; }
@media (min-width: 640px) { .hero-buttons { flex-direction: row; } }
.secondary-button { border: 2px solid #2563eb; color: #2563eb; padding: 1rem 2rem; border-radius: 0.5rem; font-weight: 600; font-size: 1.125rem; transition: all 0.3s; }
.secondary-button:hover { background-color: #e6f0ff; }
.hero-stats { display: grid; grid-template-columns: 1fr; gap: 2rem; max-width: 64rem; margin: 0 auto; }
@media (min-width: 768px) { .hero-stats { grid-template-columns: repeat(3, 1fr); } }
.stat { text-align: center; }
.stat-number { font-size: 1.875rem; font-weight: bold; }
.stat-number.blue { color: #2563eb; }
.stat-number.purple { color: #9333ea; }
.stat-number.green { color: #10b981; }
.stat-label { color: #4b5563; }

/* Features section */
.features { padding: 5rem 1rem; background-color: white; }
h2 { font-size: 2.25rem; font-weight: bold; margin-bottom: 1rem; text-align: center; }
.section-description { font-size: 1.25rem; color: #4b5563; text-align: center; max-width: 48rem; margin: 0 auto 4rem; }
.features-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .features-grid { grid-template-columns: repeat(4, 1fr); } }
.feature-card { text-align: center; padding: 1.5rem; border: 1px solid #e5e7eb; border-radius: 0.75rem; transition: all 0.3s; }
.feature-card:hover { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); border-color: #93c5fd; }
.feature-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.feature-title { font-size: 1.25rem; font-weight: 600; color: #111827; margin-bottom: 0.75rem; }
.feature-description { color: #4b5563; }

/* Testimonials */
.testimonials { padding: 5rem 1rem; background: linear-gradient(to bottom right, #e6f0ff, #f3e8ff); }
.testimonials-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) { .testimonials-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .testimonials-grid { grid-template-columns: repeat(4, 1fr); } }
.testimonial-card { background-color: white; padding: 1.5rem; border-radius: 0.75rem; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); transition: all 0.3s; }
.testimonial-card:hover { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }
.testimonial-avatar { font-size: 1.875rem; margin-bottom: 1rem; }
.testimonial-content { color: #4b5563; font-style: italic; margin-bottom: 1rem; }
.testimonial-author { font-weight: 600; color: #111827; }
.testimonial-role { font-size: 0.875rem; color: #6b7280; }

/* Pricing */
.pricing { padding: 5rem 1rem; background-color: white; }
.pricing-card { background: linear-gradient(to bottom right, #2563eb, #9333ea); border-radius: 1rem; padding: 2rem; color: white; max-width: 28rem; margin: 0 auto; position: relative; overflow: hidden; }
.popular-badge { position: absolute; top: 0; right: 0; background-color: #fbbf24; color: black; padding: 0.25rem 0.75rem; font-size: 0.875rem; font-weight: 600; border-bottom-left-radius: 0.5rem; }
.promo-badge { position: absolute; top: 0; left: 0; background-color: #f0190a; color: white; padding: 0.25rem 0.75rem; font-size: 0.875rem; font-weight: 600; border-bottom-left-radius: 0.5rem; }
.pricing-header { text-align: center; margin-bottom: 2rem; }
.pricing-plan { font-size: 1.5rem; font-weight: bold; margin-bottom: 1rem; }
.pricing-amount { font-size: 2.25rem; font-weight: bold; display: flex; align-items: center; justify-content: center; margin-bottom: 0.5rem; }
.pricing-period { font-size: 1.125rem; margin-left: 0.5rem; }
.pricing-description { color: #bfdbfe; }
.pricing-features { list-style: none; margin-bottom: 2rem; }
.pricing-features li { display: flex; align-items: center; margin-bottom: 1rem; }
.pricing-features li span:first-child { color: #86efac; margin-right: 0.75rem; }
.pricing-button { background-color: white; color: #2563eb; width: 100%; padding: 1rem; border-radius: 0.5rem; font-weight: 600; font-size: 1.125rem; transition: all 0.3s; }
.pricing-button:hover { background-color: #f3f4f6; }
.pricing-footer { text-align: center; font-size: 0.875rem; color: #bfdbfe; margin-top: 1rem; }

/* FAQ */
.faq { padding: 5rem 1rem; background: linear-gradient(to bottom right, #f9fafb, #e6f0ff); }
.faq-container { max-width: 48rem; margin: 0 auto; }
.faq-item { background-color: white; border: 1px solid #e5e7eb; border-radius: 0.5rem; margin-bottom: 1rem; overflow: hidden; }
.faq-question { width: 100%; padding: 1rem 1.5rem; text-align: left; display: flex; justify-content: space-between; align-items: center; font-weight: 600; color: #111827; background-color: transparent; transition: background-color 0.3s; }
.faq-question:hover { background-color: #f9fafb; }
.faq-answer { padding: 1rem 1.5rem; color: #4b5563; }

/* Form feedback */
.form-feedback {
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: 0.375rem;
  font-weight: 600;
  text-align: center;
}

.form-feedback.success {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.form-feedback.error {
  background-color: #fee2e2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

/* Footer */
footer { background-color: #111827; color: white; padding: 3rem 1rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-bottom: 2rem; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: repeat(4, 1fr); } }
.footer-logo { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem; }
.footer-description { color: #9ca3af; }
.footer-heading { font-weight: 600; margin-bottom: 1rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: #9ca3af; transition: color 0.3s; }
.footer-links a:hover { color: white; }
.footer-bottom { display: flex; flex-direction: column; align-items: center; padding-top: 2rem; border-top: 1px solid #1f2937; }
@media (min-width: 768px) { .footer-bottom { flex-direction: row; justify-content: space-between; } }
.footer-copyright { color: #9ca3af; margin-bottom: 1rem; }
@media (min-width: 768px) { .footer-copyright { margin-bottom: 0; } }
.footer-social { display: flex; gap: 1.5rem; }
.footer-social a { color: #9ca3af; transition: color 0.3s; }
.footer-social a:hover { color: white; }