/* ==========================================================================
   SHM REAL ESTATE™ — Design System & Global Styles
   Primary Palette: Deep Obsidian Navy, Warm Gold / Muted Bronze, Clean White
   Typography: Plus Jakarta Sans & Playfair Display
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,400;1,600&display=swap');

:root {
  /* Primary Tones */
  --navy-950: #070B12;
  --navy-900: #0C1420;
  --navy-850: #101B2B;
  --navy-800: #162438;
  --navy-700: #1E314B;
  --navy-600: #2C4466;

  /* Gold & Bronze Accents */
  --gold-500: #C5A059;
  --gold-600: #B38E46;
  --gold-400: #D8B467;
  --gold-300: #E6CA88;
  --gold-100: #FBF6E9;
  --gold-glow: rgba(197, 160, 89, 0.25);
  --gold-border: rgba(197, 160, 89, 0.35);

  /* Neutrals & Surfaces */
  --white: #FFFFFF;
  --surface-50: #F8FAFC;
  --surface-100: #F1F5F9;
  --surface-200: #E2E8F0;
  --surface-300: #CBD5E1;
  --text-dark: #0F172A;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-light: #94A3B8;

  /* Status Badges */
  --badge-demo-bg: #FEF3C7;
  --badge-demo-text: #92400E;
  --badge-demo-border: #F59E0B;
  --badge-live-bg: #D1FAE5;
  --badge-live-text: #065F46;
  --badge-live-border: #10B981;
  --badge-verified-bg: #DBEAFE;
  --badge-verified-text: #1E40AF;
  --badge-verified-border: #3B82F6;

  /* WhatsApp Brand Color */
  --whatsapp: #25D366;
  --whatsapp-hover: #20BA5A;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  /* Elevations */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(12, 20, 32, 0.08);
  --shadow-lg: 0 12px 28px rgba(12, 20, 32, 0.12);
  --shadow-xl: 0 20px 40px rgba(12, 20, 32, 0.18);
  --shadow-gold: 0 8px 24px rgba(197, 160, 89, 0.28);

  /* Layout */
  --container-max: 1240px;
  --container-narrow: 980px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--surface-50);
  color: var(--text-body);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--navy-900);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2.75rem;
  font-family: var(--font-serif);
  font-weight: 700;
}

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

@media (min-width: 1024px) {
  h1 { font-size: 4rem; }
}

h2 {
  font-size: 2rem;
  font-family: var(--font-serif);
}

@media (min-width: 768px) {
  h2 { font-size: 2.5rem; }
}

h3 {
  font-size: 1.4rem;
  font-weight: 700;
}

h4 {
  font-size: 1.15rem;
  font-weight: 600;
}

p {
  color: var(--text-body);
  font-size: 1rem;
}

p.lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
}

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

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

svg {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

svg.icon,
.icon {
  width: 1.15rem;
  height: 1.15rem;
  min-width: 1.15rem;
  max-width: 1.15rem;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
  fill: currentColor;
}

ul, ol {
  list-style: none;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.section-sm {
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
}

.section-dark {
  background-color: var(--navy-900);
  color: var(--white);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--white);
}

.section-dark p {
  color: var(--surface-300);
}

.section-gold-tint {
  background-color: #FAF8F4;
  border-top: 1px solid rgba(197, 160, 89, 0.15);
  border-bottom: 1px solid rgba(197, 160, 89, 0.15);
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--gold-600);
  margin-bottom: 0.75rem;
}

.section-dark .section-eyebrow {
  color: var(--gold-400);
}

.section-eyebrow::before,
.section-eyebrow::after {
  content: '';
  display: inline-block;
  width: 16px;
  height: 1px;
  background-color: var(--gold-500);
}

.section-header.text-left .section-eyebrow::after {
  display: none;
}

.section-header p {
  margin-top: 0.85rem;
  font-size: 1.08rem;
  color: var(--text-muted);
}

/* Flex & Grid Utilities */
.grid {
  display: grid;
  gap: 1.75rem;
}

.grid-2 {
  grid-template-columns: 1fr;
}

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

.grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  line-height: 1;
}

.badge-demo {
  background-color: var(--badge-demo-bg);
  color: var(--badge-demo-text);
  border: 1px solid var(--badge-demo-border);
}

.badge-live {
  background-color: var(--badge-live-bg);
  color: var(--badge-live-text);
  border: 1px solid var(--badge-live-border);
}

.badge-verified {
  background-color: var(--badge-verified-bg);
  color: var(--badge-verified-text);
  border: 1px solid var(--badge-verified-border);
}

.badge-gold {
  background-color: var(--gold-100);
  color: var(--gold-600);
  border: 1px solid var(--gold-border);
}

.badge-type {
  background-color: rgba(12, 20, 32, 0.75);
  backdrop-filter: blur(4px);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background-color: var(--navy-900);
  color: var(--white);
  border-color: var(--navy-900);
}

.btn-primary:hover {
  background-color: var(--navy-800);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-gold {
  background-color: var(--gold-500);
  color: var(--navy-950);
  border-color: var(--gold-500);
  font-weight: 700;
}

.btn-gold:hover {
  background-color: var(--gold-400);
  border-color: var(--gold-400);
  box-shadow: var(--shadow-gold);
}

.btn-outline-gold {
  background-color: transparent;
  color: var(--gold-500);
  border-color: var(--gold-500);
}

.btn-outline-gold:hover {
  background-color: var(--gold-500);
  color: var(--navy-950);
}

.btn-outline-light {
  background-color: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-outline-light:hover {
  background-color: var(--white);
  color: var(--navy-900);
  border-color: var(--white);
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--navy-900);
  border-color: var(--surface-300);
}

.btn-outline-dark:hover {
  border-color: var(--navy-900);
  background-color: var(--surface-100);
}

.btn-whatsapp {
  background-color: var(--whatsapp);
  color: var(--white);
  border-color: var(--whatsapp);
  font-weight: 600;
}

.btn-whatsapp:hover {
  background-color: var(--whatsapp-hover);
  border-color: var(--whatsapp-hover);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
  color: var(--white);
}

.btn-lg {
  padding: 0.95rem 1.9rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.82rem;
}

.btn-block {
  width: 100%;
}

/* Notice Box */
.notice-box {
  background-color: var(--surface-100);
  border-left: 3px solid var(--gold-500);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.9rem;
  color: var(--text-body);
}

.notice-box strong {
  color: var(--navy-900);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

/* Visually Hidden Utility */
.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;
}