:root {
  --max-w: 1200px;
  --accent: #2563eb;          
  --accent-hover: #1e40af;    
  --muted: #6b7280;
  --muted-light: #9ca3af;
  --radius: 12px;
  --gap: 24px;
  --bg-light: #f7f9fc;       
  --bg-card: #fcfdff;        
  font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: #111;
  background: var(--bg-light);
  line-height: 1.5;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background: #fff;
  box-shadow: 0 2px 12px rgba(15,23,42,0.08);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}
.brand {
  font-weight: 700;
  color: var(--accent);
  font-size: 22px;
}
nav ul {
  display: flex;
  gap: 18px;
  list-style: none;
  padding: 0;
  margin: 0;
}
nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  transition: color 0.3s;
}
nav a:hover {
  color: var(--accent);
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: var(--gap);
  align-items: center;
  padding-top: 160px; /* більше простору зверху */
  padding-bottom: 60px;
  background: #f3f6fb; /* легкий фон */
  border-radius: var(--radius);
}
.hero h1 {
  font-size: 42px;
  margin: 0 0 16px;
  color: #111;
  line-height: 1.3; /* “дихаючий” заголовок */
}
.hero p {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: 18px;
}
.btn {
  display: inline-block;
  padding: 14px 22px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.3s, transform 0.2s;
}
.btn:hover {
  background: linear-gradient(135deg, #1e40af, #2563eb);
  transform: translateY(-2px);
}

/* Features / Cards */
.features {
  padding: 48px 0;
}
.features h2 {
  font-size: 28px;
  margin-bottom: 24px;
  text-align: center;
  color: #111;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card {
  background: var(--bg-card);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}
.card h3 {
  margin: 12px 0 8px;
  color: #111;
}
.docs-list li {
  margin: 6px 0;
}
.docs-list a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}
.docs-list a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* House photos */
.house-photo {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 12px;
}
.house-photo-main {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 12px;
}

/* FAQ */
.faq {
  padding: 48px 0;
}
.faq h2 {
  font-size: 28px;
  text-align: center;
  margin-bottom: 24px;
  color: #111;
}
.faq-item {
  background: var(--bg-card);
  padding: 18px 22px;
  border-radius: var(--radius);
  margin-top: 14px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s;
}
.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  list-style: none;
  color: #111;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

/* Contact */
.contact {
  background: var(--accent);
  color: #fff;
  padding: 48px 20px;
  border-radius: var(--radius);
  margin: 40px 0;
}
.contact h2 {
  font-size: 28px;
  margin-bottom: 16px;
  color: #fff;
}
.contact .muted { color: rgba(255,255,255,0.85); }
.contact-list { margin-top: 20px; display: grid; gap: 14px; }
.contact-item strong { display: inline-block; width: 120px; }
.contact-item a {
  color: #fff;
  text-decoration: underline;
  transition: color 0.3s;
}
.contact-item a:hover { color: #dbeafe; }

/* Footer */
footer {
  padding: 20px 0;
  color: var(--muted-light);
  font-size: 14px;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* Payment Popup */
.payment-popup {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  z-index: 3000;
  padding: 20px;
}
.payment-popup[aria-hidden="false"] { display: flex; }
.payment-popup__box {
  background: #fff;
  border-radius: var(--radius);
  max-width: 380px;
  width: 100%;
  padding: 20px;
  box-shadow: 0 12px 28px rgba(0,0,0,0.15);
  position: relative;
  font-size: 15px;
  color: #111;
  animation: popupFade 0.3s ease;
}
.payment-popup__box h3 { margin: 0 0 10px; font-size: 18px; }
.payment-popup__body p { margin: 6px 0; color: #444; line-height: 1.35; white-space: pre-line; }
.payment-popup__close { position: absolute; top: 10px; right: 10px; border: none; background: none; font-size: 18px; cursor: pointer; padding: 6px; line-height: 1; }

@keyframes popupFade { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }

/* Responsive */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .grid { grid-template-columns: repeat(2,1fr); }
  nav ul { display: none; }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .contact form { grid-template-columns: 1fr; }
}