/* Reset and Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: #ffffff;
  color: #1a1a1a;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.container-sm {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #f0f0f0;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #10b981, #0d9488);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

.nav-logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1a1a1a;
}

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

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: #6b7280;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #1a1a1a;
}

.nav-buttons {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: #10b981;
  color: white;
}

.btn-primary:hover {
  background: #059669;
}

.btn-ghost {
  background: transparent;
  color: #6b7280;
}

.btn-ghost:hover {
  background: #f3f4f6;
  color: #1a1a1a;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

/* Hero Section */
.hero {
  padding: 5rem 1rem 8rem;
  background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  background: #ecfdf5;
  color: #059669;
  border: 1px solid #a7f3d0;
  border-radius: 9999px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 3.5rem;
  }
}

.hero h1 span {
  color: #10b981;
}

.hero p {
  font-size: 1.25rem;
  color: #6b7280;
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

/* Form */
.signup-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 28rem;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .signup-form {
    flex-direction: row;
  }
}

.input {
  flex: 1;
  height: 3rem;
  padding: 0 1rem;
  font-size: 1rem;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  outline: none;
  transition: border-color 0.2s;
}

.input:focus {
  border-color: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-note {
  font-size: 0.875rem;
  color: #9ca3af;
  margin-top: 0.75rem;
}

/* Social Proof / Marquee */
.social-proof {
  margin-top: 4rem;
  overflow: hidden;
}

.social-proof-title {
  font-size: 0.75rem;
  font-weight: 500;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-align: center;
  margin-bottom: 1.5rem;
}

.marquee-container {
  position: relative;
  overflow: hidden;
}

.marquee-fade-left,
.marquee-fade-right {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 6rem;
  z-index: 10;
}

.marquee-fade-left {
  left: 0;
  background: linear-gradient(to right, #f9fafb, transparent);
}

.marquee-fade-right {
  right: 0;
  background: linear-gradient(to left, #f9fafb, transparent);
}

.marquee {
  display: flex;
  animation: marquee 25s linear infinite;
}

.marquee:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-content {
  display: flex;
  align-items: center;
  gap: 4rem;
  padding: 0 2rem;
}

.marquee-item {
  font-size: 1.75rem;
  font-weight: 700;
  color: #d1d5db;
  white-space: nowrap;
  transition: color 0.2s;
}

.marquee-item:hover {
  color: #9ca3af;
}

/* Sections */
.section {
  padding: 6rem 1rem;
}

.section-gray {
  background: #f9fafb;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: #1a1a1a;
  text-align: center;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.5rem;
  }
}

.section-subtitle {
  font-size: 1.125rem;
  color: #6b7280;
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: white;
  border: 1px solid #f0f0f0;
  border-radius: 12px;
  padding: 2rem;
  transition: box-shadow 0.2s;
}

.card:hover {
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: #ecfdf5;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: #10b981;
  font-size: 1.5rem;
}

.card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 0.75rem;
}

.card p {
  color: #6b7280;
}

/* Steps */
.steps {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step {
  text-align: center;
}

.step-number {
  width: 48px;
  height: 48px;
  background: #10b981;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 auto 1rem;
}

.step h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
}

.step p {
  font-size: 0.875rem;
  color: #6b7280;
}

/* Testimonials */
.testimonial-card {
  background: white;
  border: 1px solid #f0f0f0;
  border-radius: 12px;
  padding: 2rem;
}

.stars {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.star {
  color: #fbbf24;
  font-size: 1.25rem;
}

.testimonial-text {
  color: #6b7280;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.author-avatar {
  width: 40px;
  height: 40px;
  background: #e5e7eb;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 500;
  color: #6b7280;
}

.author-name {
  font-weight: 500;
  color: #1a1a1a;
}

.author-role {
  font-size: 0.875rem;
  color: #9ca3af;
}

/* Stats Section */
.stats {
  background: #10b981;
  padding: 4rem 1rem;
}

.stats-grid {
  display: grid;
  gap: 2rem;
  text-align: center;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.25rem;
}

.stat-label {
  color: #a7f3d0;
}

/* CTA Section */
.cta {
  padding: 6rem 1rem;
  text-align: center;
}

.cta h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 1rem;
}

.cta p {
  font-size: 1.125rem;
  color: #6b7280;
  margin-bottom: 2rem;
}

.cta-note {
  font-size: 0.875rem;
  color: #9ca3af;
  margin-top: 1rem;
}

/* Footer */
.footer {
  background: #111827;
  color: #9ca3af;
  padding: 4rem 1rem 2rem;
}

.footer-grid {
  display: grid;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand p {
  font-size: 0.875rem;
  margin-top: 1rem;
}

.footer-column h4 {
  color: white;
  font-weight: 600;
  margin-bottom: 1rem;
}

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

.footer-column li {
  margin-bottom: 0.5rem;
}

.footer-column a {
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-column a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.875rem;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Page Content */
.page-header {
  padding: 4rem 1rem;
  background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
}

.page-header .date {
  color: #9ca3af;
}

.page-content {
  padding: 3rem 1rem;
}

.page-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #1a1a1a;
  margin: 2rem 0 1rem;
}

.page-content h3 {
  font-size: 1.25rem;
  font-weight: 500;
  color: #374151;
  margin: 1.5rem 0 0.75rem;
}

.page-content p {
  color: #6b7280;
  margin-bottom: 1rem;
}

.page-content ul {
  color: #6b7280;
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.page-content li {
  margin-bottom: 0.5rem;
}

.info-box {
  background: #f9fafb;
  padding: 1.5rem;
  border-radius: 8px;
  margin: 1.5rem 0;
}

.info-box p {
  margin-bottom: 0.25rem;
}

.info-box strong {
  color: #1a1a1a;
}

/* Commitment Banner */
.commitment-banner {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.commitment-icon {
  width: 32px;
  height: 32px;
  background: #10b981;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.commitment-banner h3 {
  color: #065f46;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.commitment-banner p {
  color: #047857;
  margin: 0;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  margin-top: 0.25rem;
}

.checkbox-group label {
  font-size: 0.875rem;
  color: #6b7280;
}

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

.mt-4 {
  margin-top: 1rem;
}

.mt-8 {
  margin-top: 2rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-8 {
  margin-bottom: 2rem;
}