/* Arrendamentos Porto — CSS prefix: arp- */
:root {
  --arp-blue: #1a4a8a;
  --arp-blue-dark: #122f5c;
  --arp-blue-light: #2860b0;
  --arp-gold: #D4AF37;
  --arp-cream: #f8f7f4;
  --arp-text: #1a1a2e;
  --arp-muted: #5a6070;
  --arp-border: #dde1e8;
  --arp-white: #ffffff;
}

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

body {
  font-family: 'Georgia', serif;
  background: var(--arp-cream);
  color: var(--arp-text);
  line-height: 1.8;
}

/* NAV */
.arp-header {
  background: var(--arp-blue);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}
.arp-nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
}
.arp-logo {
  color: #fff;
  font-size: 1.2rem;
  font-weight: bold;
  text-decoration: none;
  letter-spacing: 0.02em;
}
.arp-logo:hover { color: var(--arp-gold); }
.arp-nav-links {
  list-style: none;
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}
.arp-nav-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.85rem;
  transition: color 0.2s;
}
.arp-nav-links a:hover { color: var(--arp-gold); }

/* HERO */
.arp-hero {
  background: linear-gradient(135deg, var(--arp-blue-dark) 0%, var(--arp-blue) 55%, #2a6bb5 100%);
  color: #fff;
  padding: 4.5rem 2rem 3.5rem;
  text-align: center;
}
.arp-hero h1 {
  font-size: clamp(1.8rem, 4.5vw, 3.2rem);
  line-height: 1.2;
  margin-bottom: 1.2rem;
  font-weight: 700;
}
.arp-hero .arp-tagline {
  font-size: 1.15rem;
  opacity: 0.9;
  max-width: 650px;
  margin: 0 auto 2rem;
  font-family: 'Helvetica Neue', Arial, sans-serif;
}
.arp-hero-ctas { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.arp-btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: 5px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.2s;
  font-size: 0.95rem;
}
.arp-btn-primary { background: var(--arp-gold); color: var(--arp-blue-dark); }
.arp-btn-primary:hover { background: #e8c240; transform: translateY(-1px); }
.arp-btn-outline { border: 2px solid #fff; color: #fff; }
.arp-btn-outline:hover { background: rgba(255,255,255,0.15); }

/* MAIN */
.arp-main { min-height: 70vh; }

/* SECTIONS */
.arp-section { padding: 3.5rem 2rem; }
.arp-section-alt { background: var(--arp-white); }
.arp-container { max-width: 860px; margin: 0 auto; }
.arp-container-wide { max-width: 1100px; margin: 0 auto; }

.arp-section-label {
  color: var(--arp-blue);
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: bold;
  display: block;
  margin-bottom: 0.5rem;
}
.arp-section h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--arp-blue);
  margin-bottom: 1.2rem;
  border-bottom: 3px solid var(--arp-gold);
  padding-bottom: 0.5rem;
  display: inline-block;
}
.arp-section p { color: var(--arp-muted); font-size: 1.05rem; margin-bottom: 1rem; }
.arp-section p strong { color: var(--arp-text); }

/* GRID */
.arp-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.arp-card {
  background: var(--arp-white);
  border-radius: 8px;
  padding: 1.8rem;
  border: 1px solid var(--arp-border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}
.arp-card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
.arp-card h3 { color: var(--arp-blue); font-size: 1.15rem; margin-bottom: 0.8rem; }
.arp-card p { color: var(--arp-muted); font-size: 0.95rem; margin-bottom: 0.6rem; }
.arp-card a { color: var(--arp-blue); text-decoration: none; font-weight: bold; font-family: sans-serif; font-size: 0.9rem; }
.arp-price { color: var(--arp-blue); font-weight: bold; font-size: 1.1rem; }

/* TABLE */
.arp-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-family: 'Helvetica Neue', Arial, sans-serif;
}
.arp-table th {
  background: var(--arp-blue);
  color: #fff;
  padding: 0.8rem 1rem;
  text-align: left;
  font-size: 0.85rem;
}
.arp-table td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--arp-border);
  color: var(--arp-muted);
  font-size: 0.95rem;
}
.arp-table tr:nth-child(even) td { background: #f4f5f8; }
.arp-table .arp-val { color: var(--arp-blue); font-weight: bold; }

/* ARTICLE */
.arp-article { padding: 3rem 2rem; }
.arp-article .arp-container { max-width: 820px; }
.arp-article h1 {
  font-size: clamp(1.7rem, 4vw, 2.7rem);
  color: var(--arp-blue);
  margin-bottom: 0.5rem;
  line-height: 1.25;
}
.arp-article .arp-meta {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  color: var(--arp-muted);
  font-size: 0.88rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--arp-border);
}
.arp-article h2 {
  font-size: 1.7rem;
  color: var(--arp-blue);
  margin: 2.5rem 0 1rem;
  border-left: 4px solid var(--arp-gold);
  padding-left: 0.75rem;
}
.arp-article h3 { font-size: 1.25rem; color: var(--arp-blue); margin: 2rem 0 0.6rem; }
.arp-article p { font-size: 1.05rem; color: #444; margin-bottom: 1.2rem; }
.arp-article p strong { color: var(--arp-text); }
.arp-article ul, .arp-article ol { margin: 1rem 0 1.5rem 1.5rem; }
.arp-article li { font-size: 1rem; color: #444; margin-bottom: 0.5rem; }

.arp-breadcrumb {
  background: var(--arp-blue-dark);
  padding: 0.6rem 2rem;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}
.arp-breadcrumb a { color: rgba(255,255,255,0.7); text-decoration: none; }
.arp-breadcrumb a:hover { color: var(--arp-gold); }

.arp-highlight {
  background: linear-gradient(135deg, #f0f4ff, #e8eef8);
  border-left: 4px solid var(--arp-blue);
  border-radius: 0 6px 6px 0;
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0;
}
.arp-highlight p { margin: 0; color: var(--arp-text); font-style: italic; }

/* FOOTER */
.arp-footer {
  background: var(--arp-blue-dark);
  color: rgba(255,255,255,0.75);
  padding: 2.5rem 2rem 1.5rem;
  font-family: 'Helvetica Neue', Arial, sans-serif;
}
.arp-footer-inner {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.arp-footer h3 { color: var(--arp-gold); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.8rem; font-weight: 400; }
.arp-footer ul { list-style: none; }
.arp-footer li { margin-bottom: 0.4rem; }
.arp-footer a { color: rgba(255,255,255,0.65); text-decoration: none; font-size: 0.85rem; transition: color 0.2s; }
.arp-footer a:hover { color: var(--arp-gold); }
.arp-footer-copy { text-align: center; font-size: 0.8rem; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.5rem; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .arp-nav { flex-direction: column; height: auto; padding: 0.8rem; gap: 0.5rem; }
  .arp-nav-links { gap: 0.6rem; justify-content: center; }
  .arp-hero { padding: 3rem 1.2rem; }
  .arp-section { padding: 2.5rem 1.2rem; }
}