/* ============================================
   Land Kings — Brand CSS System
   Mobile-first, responsive design
   ============================================ */

/* --- CSS Custom Properties (Brand Colors) --- */
:root {
  /* Brand Colors */
  --gold: #C19A50;
  --black: #1A1A1A;
  --forest: #305032;
  --earth: #3D6C3A;
  --shadow: #6B4C20;

  /* Derived colors */
  --gold-light: #d4b06a;
  --gold-dark: #a07c3a;
  --black-light: #2d2d2d;
  --forest-light: #3d6640;
  --earth-light: #4e8548;

  /* Neutrals */
  --white: #ffffff;
  --off-white: #f8f7f4;
  --gray-100: #f4f4f4;
  --gray-200: #e8e8e8;
  --gray-300: #d0d0d0;
  --gray-500: #888888;
  --gray-700: #444444;
  --gray-900: #1a1a1a;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Container */
  --container-max: 1200px;
  --container-padding: 1.5rem;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--black);
  background-color: var(--off-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--black);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; margin-bottom: var(--space-md); }
h3 { font-size: 1.5rem; margin-bottom: var(--space-sm); }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: var(--space-sm);
}

a {
  color: var(--forest);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--gold);
}

/* --- Layout --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-3xl) 0;
}

.section-intro {
  font-size: 1.125rem;
  color: var(--gray-700);
  max-width: 700px;
  margin-bottom: var(--space-xl);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}

.btn-primary:hover {
  background-color: var(--gold-dark);
  border-color: var(--gold-dark);
  color: var(--white);
}

.btn-secondary {
  background-color: transparent;
  color: var(--gold);
  border-color: var(--gold);
}

.btn-secondary:hover {
  background-color: var(--gold);
  color: var(--black);
}

.btn-full {
  width: 100%;
}

/* --- Site Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--gray-100);
  border-bottom: 2px solid var(--gold);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-sm) var(--container-padding);
}

.logo img {
  height: 48px;
  width: auto;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--gold);
  position: relative;
  transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--gold);
  transition: all var(--transition-fast);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  bottom: -8px;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-md);
}

.main-nav a {
  color: var(--black);
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  transition: color var(--transition-fast);
}

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

/* --- Hero Section --- */
.section-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--off-white);
  background-image: none;
  color: var(--black);
  padding-top: 80px;
  text-align: center;
  border-bottom: 4px solid var(--gold);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: var(--space-md);
  line-height: 1.1;
}

.hero-title br {
  display: none;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--forest);
  margin-bottom: var(--space-xl);
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

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

.trust-item {
  font-size: 0.875rem;
  color: var(--gold);
  font-weight: 500;
}

/* --- About Section --- */
.section-about {
  background-color: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.about-card {
  background-color: var(--gray-100);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--gold);
}

.about-card h3 {
  color: var(--forest);
  margin-bottom: var(--space-xs);
}

/* --- Founder Bios --- */
.founder-intro {
  text-align: center;
  padding: var(--space-xl) 0;
  border-bottom: 2px solid var(--gold);
  margin-bottom: var(--space-xl);
}

.intro-lead {
  font-size: 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--black);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.4;
}

.founders-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.founder {
  background-color: var(--gray-100);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border-top: 4px solid var(--gold);
}

.founder h3 {
  color: var(--forest);
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
  font-weight: 700;
}

.founder p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-700);
  margin-bottom: var(--space-sm);
}

.founder p:last-child {
  margin-bottom: 0;
}

.combined-position {
  font-size: 1.125rem;
  font-family: var(--font-heading);
  color: var(--forest);
  text-align: center;
  font-weight: 600;
  padding: var(--space-lg);
  background-color: var(--off-white);
  border-radius: var(--radius-md);
  border: 2px solid var(--gold);
  margin-bottom: var(--space-xl);
}

/* --- Legal Page Styles --- */
.legal-content h2 {
  color: var(--forest);
  font-size: 1.5rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--gold);
}

.legal-content p {
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.legal-content ul {
  list-style: disc;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.legal-content li {
  color: var(--gray-700);
  margin-bottom: var(--space-xs);
  line-height: 1.6;
}

/* --- What We Buy Section --- */
.section-buy {
  background-color: var(--off-white);
}

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

.buy-card {
  background-color: var(--white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  border-top: 4px solid var(--forest);
}

.buy-card h3 {
  color: var(--forest);
}

.geo-areas {
  background-color: var(--white);
  color: var(--black);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 2px solid var(--forest);
}

.geo-areas h4 {
  color: var(--forest);
  margin-bottom: var(--space-sm);
}

/* --- How It Works Section --- */
.section-process {
  background-color: var(--white);
}

.process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

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

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--gold);
  color: var(--black);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: var(--space-sm);
}

.process-step h3 {
  color: var(--forest);
}

/* --- Seller / Broker / Investor Sections --- */
.section-sellers,
.section-brokers,
.section-investors {
  background-color: var(--off-white);
}

.seller-benefits,
.broker-benefits,
.investor-benefits {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.benefit {
  background-color: var(--white);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.benefit h4 {
  color: var(--forest);
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

.benefit p {
  font-size: 0.9375rem;
  color: var(--gray-700);
  margin-bottom: 0;
  line-height: 1.6;
}

.what-we-handle {
  background-color: var(--gray-100);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--forest);
  margin-top: var(--space-xl);
}

.what-we-handle h4 {
  color: var(--forest);
  margin-bottom: var(--space-md);
}

.what-we-handle ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

.what-we-handle li {
  font-size: 0.9375rem;
  color: var(--gray-700);
  padding-left: 1.5rem;
  position: relative;
}

.what-we-handle li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--forest);
  font-weight: 700;
}

.commission-info {
  background-color: var(--gold);
  color: var(--black);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  margin-bottom: var(--space-xl);
}

.commission-info h4 {
  margin-bottom: var(--space-xs);
}

/* --- Forms --- */
.form-container {
  background-color: var(--white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  max-width: 700px;
  margin: 0 auto;
}

.form-container h3 {
  text-align: center;
  color: var(--forest);
  margin-bottom: var(--space-lg);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

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

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-900);
}

.field-hint {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: -0.25rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  background-color: var(--white);
  transition: border-color var(--transition-fast);
}

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

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-privacy {
  font-size: 0.75rem;
  color: var(--gray-500);
  text-align: center;
  margin-bottom: var(--space-sm);
}

.tier-two {
  margin-top: var(--space-sm);
  padding: var(--space-md);
  background-color: var(--gray-100);
  border-radius: var(--radius-md);
}

.tier-two summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--forest);
  padding: var(--space-xs) 0;
}

.tier-two[open] summary {
  margin-bottom: var(--space-md);
}

details.tier-two {
  border: 1px solid var(--gray-200);
}

/* --- FAQ Section --- */
.section-faq {
  background-color: var(--white);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  padding: var(--space-md);
  background-color: var(--gray-100);
  border-radius: var(--radius-md);
}

.faq-item h4 {
  color: var(--forest);
  margin-bottom: var(--space-xs);
}

.faq-item p {
  font-size: 0.9375rem;
  color: var(--gray-700);
  margin-bottom: 0;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--gray-200);
  color: var(--black);
  padding: var(--space-2xl) 0;
  border-top: 4px solid var(--gold);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  text-align: center;
}

.footer-brand img,
.footer-logo {
  height: 80px;
  width: auto;
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  color: var(--forest);
  font-family: var(--font-heading);
  font-weight: 600;
}

.footer-contact h4 {
  color: var(--forest);
  margin-bottom: var(--space-xs);
}

.footer-contact p {
  color: var(--gray-900);
}

.footer-legal p {
  font-size: 0.75rem;
  color: var(--gray-700);
  margin-bottom: var(--space-xs);
}

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

.footer-social h4 {
  color: var(--forest);
  margin-bottom: var(--space-sm);
}

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

.social-link {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--white);
  background-color: var(--forest);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  border: 2px solid var(--forest);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.social-link:hover {
  background-color: var(--gold);
  color: var(--black);
  border-color: var(--gold);
  transform: translateY(-2px);
}

/* ============================================
   Responsive Breakpoints
   ============================================ */

/* Tablet: 768px+ */
@media (min-width: 768px) {
  :root {
    --container-padding: 2rem;
  }

  h1 { font-size: 3.5rem; }
  h2 { font-size: 2.5rem; }

  .hero-title {
    font-size: 4rem;
  }

  .hero-title br {
    display: inline;
  }

  .hero-cta {
    flex-direction: row;
    justify-content: center;
  }

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

  .founders-section {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .process-steps {
    grid-template-columns: repeat(4, 1fr);
  }

  .seller-benefits,
  .broker-benefits,
  .investor-benefits {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    grid-template-columns: 1fr auto auto;
    text-align: left;
  }
}

/* Desktop: 1024px+ */
@media (min-width: 1024px) {
  :root {
    --container-padding: 2.5rem;
  }

  h1 { font-size: 4rem; }

  .nav-toggle {
    display: none;
  }

  .main-nav {
    display: block;
  }

  .main-nav ul {
    gap: var(--space-lg);
  }

  .main-nav a {
    font-size: 1rem;
  }

  .seller-benefits,
  .broker-benefits,
  .investor-benefits {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Mobile Navigation Active State */
@media (max-width: 1023px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--white);
    border-bottom: 2px solid var(--gold);
    padding: var(--space-md);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  }

  .main-nav.active {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .main-nav a {
    display: block;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--gray-700);
  }

  .main-nav li:last-child a {
    border-bottom: none;
  }

  /* Hamburger animation to X */
  .nav-toggle.active .hamburger {
    background-color: transparent;
  }

  .nav-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
  }

  .nav-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
  }
}

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