:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface2: #f8fafc;
  --border: rgba(15, 23, 42, 0.1);
  --text: #0f172a;
  --text2: #475569;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-glow: rgba(37, 99, 235, 0.15);
  --accent: #059669;
  --accent-glow: rgba(5, 150, 105, 0.15);
  --vip-gold: #d97706;
  --vip-bg: rgba(217, 119, 6, 0.1);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.08);
  --font-main: 'Plus Jakarta Sans', -apple-system, sans-serif;
}

:root.light {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface2: #f1f5f9;
  --border: rgba(0, 0, 0, 0.08);
  --text: #0f172a;
  --text2: #64748b;
  --primary-glow: rgba(37, 99, 235, 0.12);
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.06);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background-color: #0f172a;
  background-image: linear-gradient(rgba(248, 250, 252, 0.78), rgba(248, 250, 252, 0.78)), url('/modern_house_bg.jpg');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
}

/* ===== NAVBAR HEADER ===== */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}
:root.light header {
  background: rgba(255, 255, 255, 0.85);
}

.nav-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand-icon {
  font-size: 32px;
  background: var(--surface2);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.brand-title {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.1;
  color: var(--text);
}

.brand-title span {
  color: var(--primary);
}

.brand-sub {
  font-size: 11px;
  color: var(--text2);
  font-weight: 500;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #ffffff;
  box-shadow: 0 4px 15px var(--primary-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-gps {
  background: var(--surface2);
  color: var(--accent);
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.btn-gps:hover {
  background: var(--accent-glow);
  transform: translateY(-2px);
}

.btn-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pulse-icon {
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* ===== HERO & SEARCH BANNER ===== */
.hero-section {
  position: relative;
  background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.76), rgba(30, 58, 138, 0.66)), url('/modern_house_bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 60px 20px 50px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  color: #ffffff;
  border-radius: 0 0 28px 28px;
  box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.3), 0 12px 35px rgba(0, 0, 0, 0.1);
}

.hero-content {
  max-width: 780px;
  margin: 0 auto;
}

.hero-content h2 {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 8px;
  color: #ffffff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-content p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 24px;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.search-bar-wrapper {
  display: flex;
  gap: 10px;
  background: var(--surface);
  padding: 8px;
  border-radius: 50px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.search-input-group {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  flex: 1;
}

.search-input-group input {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  outline: none;
}

.btn-search {
  border-radius: 40px;
  padding: 12px 24px;
  background: var(--primary);
  color: white;
}

/* ===== CATEGORY PILLS ===== */
.category-wrapper {
  max-width: 1300px;
  margin: 20px auto 0;
  padding: 0 24px;
}

.category-container {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
}
.category-container::-webkit-scrollbar { display: none; }

.cat-btn {
  flex-shrink: 0;
  padding: 10px 18px;
  border-radius: 30px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text2);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.cat-btn:hover {
  color: var(--text);
  background: var(--surface2);
}

.cat-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 15px var(--primary-glow);
}

/* ===== MAIN LAYOUT ===== */
.main-layout {
  max-width: 1300px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 24px;
  align-items: start;
}

@media (max-width: 900px) {
  .main-layout {
    grid-template-columns: 1fr;
  }
}

/* MAP SECTION */
.map-section {
  position: sticky;
  top: 90px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.map-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.map-header h3 {
  font-size: 15px;
  font-weight: 700;
}

.location-badge {
  font-size: 11px;
  color: var(--accent);
  font-weight: 600;
}

.map-container {
  height: 480px;
  width: 100%;
  background: var(--surface2);
  z-index: 1;
}

/* LISTINGS SECTION */
.listings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
}

.results-count {
  font-size: 13px;
  color: var(--text2);
}

.results-count strong {
  color: var(--text);
  font-weight: 800;
}

.sort-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text2);
}

.sort-controls select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 12px;
  outline: none;
}

/* PROVIDERS GRID */
.providers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.provider-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  transition: all 0.3s ease;
  position: relative;
}

.provider-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 14px 35px -5px rgba(37, 99, 235, 0.12), 0 4px 12px rgba(0, 0, 0, 0.05);
}

.provider-card.vip-card {
  border-color: rgba(245, 158, 11, 0.4);
  background: linear-gradient(180deg, var(--vip-bg) 0%, var(--surface) 100%);
}

.vip-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  font-size: 10px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 20px;
  text-transform: uppercase;
}

.card-top {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.card-category {
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-name {
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text2);
}

.distance-tag {
  background: var(--accent-glow);
  color: var(--accent);
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 700;
}

.card-address {
  font-size: 12px;
  color: var(--text2);
  line-height: 1.4;
}

.card-price {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  background: var(--surface2);
  padding: 6px 12px;
  border-radius: 8px;
  display: inline-block;
}

.card-desc {
  font-size: 12px;
  color: var(--text2);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 4px;
}

.btn-wa {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: white;
}

.btn-nav {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
}

/* ARTICLES SECTION (SEO ADSENSE) */
.articles-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 50px 20px;
  margin-top: 40px;
}

.section-title {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 30px;
}

.section-title h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 6px;
}

.section-title p {
  font-size: 13px;
  color: var(--text2);
}

.articles-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.article-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.article-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.article-card p {
  font-size: 12px;
  color: var(--text2);
  line-height: 1.5;
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 30px 20px;
  text-align: center;
  background: var(--bg);
}

.footer-container p {
  font-size: 12px;
  color: var(--text2);
}

.footer-sub {
  margin-top: 4px;
  font-size: 11px;
}

/* MODAL */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 800;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text2);
  font-size: 24px;
  cursor: pointer;
}

.modal-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text2);
}

.form-group input, .form-group select, .form-group textarea {
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  outline: none;
}

.coord-inputs {
  display: flex;
  gap: 8px;
}

.coord-inputs input { flex: 1; }

.modal-footer {
  margin-top: 10px;
}

.btn-full { width: 100%; padding: 12px; }

.loading-spinner {
  text-align: center;
  padding: 40px;
  grid-column: 1 / -1;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}