/* HotelSys Landing (Public) - Professional light theme */

:root{
  --bg: #f1f5f9;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: rgba(226,232,240,.95);
  --accent: #0ea5e9;
  --accent2: #22c55e;
  --shadow-sm: 0 10px 24px rgba(2,6,23,.06);
  --shadow-md: 0 24px 60px rgba(2,6,23,.10);
}

html,body{height:100%;}
body{
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(1200px 600px at 20% 10%, rgba(14,165,233,.10), transparent 60%),
    radial-gradient(900px 560px at 80% 30%, rgba(34,197,94,.08), transparent 62%),
    linear-gradient(180deg, #f8fafc, var(--bg));
  color: var(--text);
}

/* Navbar */
.navbar{
  background: rgba(15,23,42,.84) !important;
  border-bottom: 1px solid rgba(148,163,184,.22);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.navbar-brand{
  color: #fff !important;
  font-size: 1.35rem;
  font-weight: 950;
  letter-spacing: -0.02em;
}
.navbar-brand i{ color: #93c5fd; }
.navbar-nav .nav-link{
  color: rgba(255,255,255,.72) !important;
  font-weight: 700;
}
.navbar-nav .nav-link:hover{ color:#fff !important; }

/* Buttons */
.btn{ border-radius: 14px; font-weight: 900; }
.btn-outline-light{
  border-color: rgba(255,255,255,.28);
  color: rgba(255,255,255,.86);
}
.btn-outline-light:hover{
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.40);
  color:#fff;
}
.btn-primary{
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 18px 36px rgba(14,165,233,.18);
}
.btn-primary:hover{ filter: brightness(.98); transform: translateY(-1px); }

/* Hero */
.hero-section{
  position: relative;
  height: 64vh;
  min-height: 520px;
  margin-top: 56px;
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(2,6,23,.10), rgba(2,6,23,.75)),
    url('https://picsum.photos/seed/hotelsys-hero/1800/900') center/cover no-repeat;
}
.hero-section .container{
  max-width: 980px;
}
.hero-section h1{
  letter-spacing: -0.04em;
  text-shadow: 0 18px 40px rgba(0,0,0,.30);
}
.hero-section .lead{
  color: rgba(255,255,255,.86);
  max-width: 720px;
  margin: 0 auto;
}

/* Search form */
.search-form{
  background: rgba(255,255,255,.92);
  border: 1px solid var(--border);
  border-radius: 22px;
  max-width: 980px;
  margin-top: -92px;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.search-form .form-label{
  font-weight: 900;
  color: #0f172a;
  text-align: left;
  display:block;
  margin-bottom: 6px;
}
.search-form .form-control{
  border-radius: 14px;
  height: 48px;
  border: 1px solid var(--border);
  font-weight: 800;
}
.search-form .form-control:focus{
  border-color: rgba(14,165,233,.55);
  box-shadow: 0 16px 34px rgba(14,165,233,.12);
}
.search-form .btn{
  height: 48px;
  border-radius: 14px;
}

/* Featured cards */
.offer-card{
  border: 1px solid var(--border) !important;
  border-radius: 16px !important;
  overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  box-shadow: var(--shadow-sm);
}
.offer-card:hover{
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(2,6,23,.10) !important;
  border-color: rgba(14,165,233,.35) !important;
}
.offer-card .card-title{ color: var(--text); letter-spacing: -0.01em; }
.offer-card .card-text{ color: var(--muted) !important; }

/* Footer */
footer{
  background: rgba(15,23,42,.94) !important;
  border-top: 1px solid rgba(148,163,184,.18);
}
footer a{ color: rgba(255,255,255,.72) !important; }
footer a:hover{ color: #fff !important; }

/* Small screens */
@media (max-width: 768px){
  .hero-section{ min-height: 460px; }
  .search-form{ margin-top: -70px; border-radius: 18px; }
}