/* ============================================================
   NeighborSoldFor - Design System
   ============================================================ */

/* CSS Variables */
:root {
  --color-primary: #1e40af;
  --color-primary-hover: #1e3a8a;
  --color-primary-light: #dbeafe;
  --color-accent: #059669;
  --color-accent-hover: #047857;
  --color-accent-light: #d1fae5;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-card: #ffffff;
  --color-text: #1e293b;
  --color-text-secondary: #475569;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --color-success: #16a34a;
  --color-warning: #d97706;
  --color-error: #dc2626;

  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --text-hero: 3rem;
  --text-h1: 2.25rem;
  --text-h2: 1.875rem;
  --text-h3: 1.5rem;
  --text-h4: 1.25rem;
  --text-body: 1rem;
  --text-small: 0.875rem;
  --font-bold: 700;
  --font-semibold: 600;
  --font-regular: 400;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --section-padding: 5rem;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);

  --nav-height: 68px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img, svg {
  max-width: 100%;
  display: block;
}

/* ============================================================
   Layout
   ============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

section {
  padding: var(--section-padding) 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h4); }
h4 { font-size: var(--text-body); }

p {
  line-height: 1.7;
}

.text-muted {
  color: var(--color-text-muted);
}

.text-secondary {
  color: var(--color-text-secondary);
}

.text-small {
  font-size: var(--text-small);
}

.text-center {
  text-align: center;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 48px;
  padding: 0 var(--space-xl);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--font-bold);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

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

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: #ffffff;
  text-decoration: none;
}

.btn-accent {
  background: var(--color-accent);
  color: #ffffff;
}

.btn-accent:hover {
  background: var(--color-accent-hover);
  color: #ffffff;
  text-decoration: none;
}

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

.btn-outline:hover {
  background: var(--color-primary-light);
  text-decoration: none;
}

.btn-lg {
  min-height: 56px;
  padding: 0 var(--space-2xl);
  font-size: 1.0625rem;
}

/* ============================================================
   Forms
   ============================================================ */
.input {
  width: 100%;
  height: 48px;
  padding: 0 var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--color-text);
  background: var(--color-bg);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.12);
}

.input-lg {
  height: 56px;
  padding: 0 var(--space-lg);
  font-size: 1.0625rem;
}

.input-group {
  display: flex;
  gap: var(--space-sm);
  align-items: stretch;
}

.input-group .input {
  flex: 1;
}

/* ============================================================
   Cards
   ============================================================ */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-xl);
  transition: box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-highlight {
  border-top: 3px solid var(--color-accent);
}

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  padding: 0 var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: var(--font-bold);
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo .logo-accent {
  color: var(--color-accent);
}

.nav-links {
  display: none;
  list-style: none;
  gap: var(--space-xl);
}

.nav-links a {
  color: var(--color-text-secondary);
  font-weight: var(--font-semibold);
  font-size: var(--text-small);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.nav-cta {
  flex-shrink: 0;
}

.nav-hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-sm);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-lg);
  gap: var(--space-md);
}

.nav-mobile-menu a {
  color: var(--color-text);
  font-weight: var(--font-semibold);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.nav-mobile-menu.open {
  display: flex;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding-top: calc(var(--nav-height) + var(--section-padding));
  padding-bottom: var(--section-padding);
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-primary-light) 100%);
  text-align: center;
}

.hero-headline {
  font-size: var(--text-hero);
  font-weight: var(--font-bold);
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-headline .highlight {
  color: var(--color-accent);
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
}

.hero-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: var(--text-small);
  font-weight: var(--font-semibold);
}

.trust-badge svg {
  flex-shrink: 0;
  color: var(--color-accent);
}

/* ============================================================
   Social Proof Bar
   ============================================================ */
.social-proof {
  background: var(--color-bg-alt);
  padding: var(--space-2xl) 0;
  text-align: center;
}

.social-proof-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.avatar-cluster {
  display: flex;
  align-items: center;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-bg);
  margin-left: -10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-small);
  font-weight: var(--font-bold);
  color: #fff;
}

.avatar:first-child {
  margin-left: 0;
}

.avatar-1 { background: #1e40af; }
.avatar-2 { background: #059669; }
.avatar-3 { background: #7c3aed; }
.avatar-4 { background: #d97706; }
.avatar-5 { background: #dc2626; }

.social-proof-text {
  font-weight: var(--font-semibold);
  color: var(--color-text);
}

.stars {
  display: flex;
  gap: 2px;
  justify-content: center;
  color: var(--color-accent);
}

/* ============================================================
   How It Works
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.step {
  text-align: center;
  padding: var(--space-xl);
}

.step-icon {
  width: 64px;
  height: 64px;
  background: var(--color-primary-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  color: var(--color-primary);
}

.step h3 {
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.step p {
  color: var(--color-text-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================================
   Teaser Results
   ============================================================ */
.results-section {
  background: var(--color-bg-alt);
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  position: relative;
}

.sale-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.sale-card-address {
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.sale-card-price {
  font-size: 1.5rem;
  font-weight: var(--font-bold);
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.sale-card-meta {
  font-size: var(--text-small);
  color: var(--color-text-muted);
}

.sale-card-details {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.results-blur-wrapper {
  position: relative;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.results-blurred {
  filter: blur(6px);
  pointer-events: none;
  user-select: none;
}

.blur-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to bottom, rgba(248,250,252,0.3), rgba(248,250,252,0.95));
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.unlock-prompt {
  text-align: center;
  max-width: 440px;
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
}

.unlock-prompt h3 {
  font-size: var(--text-h4);
  margin-bottom: var(--space-sm);
}

.unlock-prompt p {
  color: var(--color-text-secondary);
  font-size: var(--text-small);
  margin-bottom: var(--space-lg);
}

.email-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.email-fine-print {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* ============================================================
   Pricing
   ============================================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.pricing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  position: relative;
}

.pricing-card.featured {
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-md);
}

.pricing-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  font-size: var(--text-small);
  font-weight: var(--font-bold);
  padding: 2px var(--space-md);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-title {
  font-size: var(--text-h4);
  font-weight: var(--font-bold);
  color: var(--color-text);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
}

.pricing-amount {
  font-size: 2.5rem;
  font-weight: var(--font-bold);
  color: var(--color-text);
}

.pricing-period {
  color: var(--color-text-muted);
  font-size: var(--text-small);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: var(--text-small);
}

.pricing-features li svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
}

.pricing-card .btn {
  width: 100%;
  margin-top: auto;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  max-width: 700px;
  margin: var(--space-2xl) auto 0;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) 0;
  cursor: pointer;
  font-weight: var(--font-semibold);
  color: var(--color-text);
  list-style: none;
  gap: var(--space-md);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary .faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  line-height: 1;
  font-weight: var(--font-bold);
  transition: transform 0.2s ease;
}

.faq-item[open] summary .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 0 var(--space-lg) 0;
  color: var(--color-text-secondary);
}

/* ============================================================
   Final CTA
   ============================================================ */
.cta-section {
  text-align: center;
}

.cta-section h2 {
  margin-bottom: var(--space-md);
}

.cta-section p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--color-text);
  color: #94a3b8;
  padding: var(--space-2xl) 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}

.footer-logo {
  font-size: 1.125rem;
  font-weight: var(--font-bold);
  color: #ffffff;
}

.footer-logo .logo-accent {
  color: var(--color-accent);
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: #94a3b8;
  font-size: var(--text-small);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #ffffff;
  text-decoration: none;
}

.footer-disclaimer {
  font-size: var(--text-small);
  color: #64748b;
  max-width: 560px;
  line-height: 1.6;
}

.footer-copyright {
  font-size: var(--text-small);
  color: #64748b;
}

/* ============================================================
   Thank-You Page
   ============================================================ */
.thankyou-section {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
}

.thankyou-inner {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.thankyou-icon {
  width: 80px;
  height: 80px;
  background: var(--color-accent-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-xl);
  color: var(--color-accent);
}

.thankyou-inner h1 {
  margin-bottom: var(--space-md);
}

.thankyou-inner > p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.thankyou-list {
  list-style: none;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.thankyou-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  color: var(--color-text-secondary);
}

.thankyou-list li svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-accent);
}

/* ============================================================
   Privacy Page
   ============================================================ */
.privacy-section {
  padding-top: calc(var(--nav-height) + var(--section-padding));
}

.privacy-content {
  max-width: 760px;
  margin: 0 auto;
}

.privacy-content h1 {
  margin-bottom: var(--space-sm);
}

.privacy-content .last-updated {
  color: var(--color-text-muted);
  font-size: var(--text-small);
  margin-bottom: var(--space-2xl);
}

.privacy-content h2 {
  font-size: var(--text-h4);
  margin: var(--space-2xl) 0 var(--space-md);
}

.privacy-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.privacy-content ul {
  color: var(--color-text-secondary);
  padding-left: var(--space-xl);
  margin-bottom: var(--space-md);
}

.privacy-content ul li {
  margin-bottom: var(--space-sm);
}

/* ============================================================
   Utility
   ============================================================ */
.hidden { display: none !important; }

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

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.form-error {
  color: var(--color-error);
  font-size: var(--text-small);
  margin-top: var(--space-xs);
}

.form-success {
  color: var(--color-success);
  font-size: var(--text-small);
  margin-top: var(--space-xs);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (min-width: 640px) {
  .hero-form {
    flex-direction: row;
    align-items: center;
  }

  .hero-form .input-lg {
    flex: 1;
  }

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

  .social-proof-inner {
    flex-direction: row;
    justify-content: center;
  }
}

@media (min-width: 768px) {
  h1 { font-size: var(--text-h1); }
  h2 { font-size: var(--text-h2); }

  .hero-headline {
    font-size: var(--text-hero);
  }

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

  .nav-links {
    display: flex;
  }

  .nav-hamburger {
    display: none;
  }

  .nav-cta {
    display: flex;
  }
}

@media (max-width: 767px) {
  .nav-cta {
    display: none;
  }

  .hero-headline {
    font-size: 2rem;
  }

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

  .results-blur-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 479px) {
  .trust-badges {
    flex-direction: column;
    align-items: center;
  }
}