/* ========================================
   SAPPHIRE GROUP ESTATE - DESIGN SYSTEM
   Premium Real Estate Website Styles
   ======================================== */

/* ========== IMPORTS ========== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

/* ========== CSS VARIABLES ========== */
:root {
  /* Sapphire Color Palette */
  --sapphire-deep: #0F3460;
  --sapphire-royal: #16213E;
  --sapphire-accent: #533483;
  --sapphire-light: #6B5B93;
  --gold-accent: #D4AF37;
  --gold-light: #E8C547;
  
  /* Neutrals */
  --white: #FFFFFF;
  --off-white: #F8F9FA;
  --light-gray: #E5E7EB;
  --gray: #9CA3AF;
  --dark-gray: #2C3E50;
  --black: #1A1A1A;
  
  /* Functional Colors */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(212, 175, 55, 0.3);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ========== 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(--dark-gray);
  background-color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-base);
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--sapphire-royal);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
}

h5 {
  font-size: 1.125rem;
  font-weight: 500;
}

h6 {
  font-size: 1rem;
  font-weight: 500;
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--dark-gray);
  font-size: 1.0625rem;
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--gray);
}

.small-text {
  font-size: 0.875rem;
}

.text-gradient {
  background: linear-gradient(135deg, var(--sapphire-deep) 0%, var(--sapphire-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========== LAYOUT UTILITIES ========== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-wide {
  max-width: 1400px;
}

.container-narrow {
  max-width: 900px;
}

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

.section-sm {
  padding: var(--spacing-2xl) 0;
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.flex {
  display: flex;
  gap: var(--spacing-md);
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

/* ========== HEADER & NAVIGATION ========== */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(15, 52, 96, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.header.scrolled {
  background: rgba(15, 52, 96, 0.98);
  box-shadow: var(--shadow-lg);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  min-height: 80px;
}

.nav-logo {
  height: 50px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--white);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: var(--gold-accent);
  transition: transform var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-link:hover {
  color: var(--gold-light);
}

.nav-cta {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold-accent) 0%, var(--gold-light) 100%);
  color: var(--sapphire-royal);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

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

.btn-secondary:hover {
  background: var(--white);
  color: var(--sapphire-deep);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--sapphire-deep);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--sapphire-deep);
  padding: 0.5rem 1rem;
}

.btn-ghost:hover {
  background: var(--off-white);
}

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}

.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: 50%;
}

/* ========== CARDS ========== */
.card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  height: 100%;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card-glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.card-text {
  color: var(--gray);
  margin-bottom: var(--spacing-md);
}

.card-badge {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background: var(--gold-accent);
  color: var(--sapphire-royal);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-sm);
}

/* ========== HERO SECTION ========== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    rgba(15, 52, 96, 0.9) 0%, 
    rgba(83, 52, 131, 0.85) 50%,
    rgba(22, 33, 62, 0.9) 100%);
  z-index: -1;
}

.hero-content {
  max-width: 900px;
  padding: var(--spacing-2xl) var(--spacing-md);
  z-index: 1;
}

.hero h1 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.hero .lead {
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--spacing-xl);
  font-size: 1.25rem;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-xl);
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
  align-items: center;
  margin-top: var(--spacing-xl);
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.95);
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.trust-badge::before {
  content: '✅';
  font-size: 1.125rem;
}

/* ========== ESTATE CARDS ========== */
.estate-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
}

.estate-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.estate-card-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  position: relative;
}

.estate-card-content {
  padding: var(--spacing-lg);
}

.estate-card-location {
  font-size: 0.875rem;
  color: var(--sapphire-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-xs);
}

.estate-card-title {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
  color: var(--sapphire-royal);
}

.estate-card-description {
  color: var(--gray);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.estate-card-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.estate-feature-tag {
  padding: 0.375rem 0.875rem;
  background: var(--off-white);
  color: var(--dark-gray);
  font-size: 0.8125rem;
  border-radius: var(--radius-full);
  font-weight: 500;
}

.estate-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--light-gray);
}

/* ========== FEATURES GRID ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.feature-item {
  padding: var(--spacing-lg);
  background: var(--white);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition-base);
  border: 2px solid var(--light-gray);
}

.feature-item:hover {
  border-color: var(--sapphire-accent);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--sapphire-deep), var(--sapphire-accent));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--sapphire-royal);
}

.feature-description {
  color: var(--gray);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ========== TESTIMONIALS ========== */
.testimonial-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  position: relative;
  border-left: 4px solid var(--gold-accent);
}

.testimonial-quote {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--dark-gray);
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.testimonial-quote::before {
  content: '"';
  font-size: 3rem;
  color: var(--sapphire-light);
  opacity: 0.3;
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sapphire-deep), var(--sapphire-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.25rem;
}

.testimonial-info h5 {
  margin-bottom: 0.25rem;
  color: var(--sapphire-royal);
}

.testimonial-info p {
  font-size: 0.875rem;
  color: var(--gray);
  margin: 0;
}

/* ========== FAQ ACCORDION ========== */
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  border: 2px solid var(--light-gray);
  overflow: hidden;
  transition: var(--transition-base);
}

.faq-item.active {
  border-color: var(--sapphire-accent);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: transparent;
  border: none;
  text-align: left;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--sapphire-royal);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-base);
}

.faq-question:hover {
  color: var(--sapphire-accent);
}

.faq-icon {
  font-size: 1.5rem;
  color: var(--sapphire-accent);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--gray);
  line-height: 1.7;
}

/* ========== FORMS ========== */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--sapphire-royal);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 2px solid var(--light-gray);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--dark-gray);
  transition: var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--sapphire-accent);
  box-shadow: 0 0 0 3px rgba(83, 52, 131, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-error {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
  display: none;
}

.form-group.error .form-input,
.form-group.error .form-textarea,
.form-group.error .form-select {
  border-color: var(--error);
}

.form-group.error .form-error {
  display: block;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--sapphire-royal);
  color: var(--white);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

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

.footer-section h4 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-link {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-base);
  display: inline-block;
}

.footer-link:hover {
  color: var(--gold-accent);
  transform: translateX(5px);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.8);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: var(--transition-base);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-link:hover {
  background: var(--gold-accent);
  color: var(--sapphire-royal);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

/* ========== CTA SECTIONS ========== */
.cta-section {
  background: linear-gradient(135deg, var(--sapphire-deep) 0%, var(--sapphire-accent) 100%);
  color: var(--white);
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
}

/* ========== UTILITIES ========== */
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.bg-primary { background-color: var(--sapphire-deep); }
.bg-secondary { background-color: var(--sapphire-accent); }
.bg-light { background-color: var(--off-white); }
.bg-white { background-color: var(--white); }

.text-primary { color: var(--sapphire-deep); }
.text-secondary { color: var(--sapphire-accent); }
.text-gold { color: var(--gold-accent); }
.text-white { color: var(--white); }
.text-gray { color: var(--gray); }

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ========== MODAL/POPUP ========== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  max-width: 500px;
  width: 90%;
  position: relative;
  box-shadow: var(--shadow-xl);
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-base);
  font-size: 1.25rem;
  color: var(--dark-gray);
}

.modal-close:hover {
  background: var(--sapphire-deep);
  color: var(--white);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  :root {
    --spacing-3xl: 4rem;
  }
  
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 3rem;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--sapphire-royal);
    flex-direction: column;
    padding: var(--spacing-xl);
    gap: var(--spacing-md);
    transition: left var(--transition-base);
    align-items: flex-start;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-cta {
    flex-direction: column;
    width: 100%;
  }
  
  .nav-cta .btn {
    width: 100%;
  }
  
  .hero {
    min-height: 80vh;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-cta .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .trust-badges {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
  
  .cta-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .estate-card-actions {
    flex-direction: column;
  }
  
  .estate-card-actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .card,
  .estate-card-content {
    padding: var(--spacing-md);
  }
  
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
  }
}