:root{
  --bg: #fefefe;
  --card: #ffffff;
  --muted: #6b7280;
  --accent: #2563eb; /* Modern blue */
  --accent-hover: #1d4ed8;
  --accent-2: #10b981; /* Green for secondary */
  --accent-3: #f59e0b; /* Amber */
  --accent-4: #ef4444; /* Red */
  --accent-5: #8b5cf6; /* Purple */
  --shadow: 0 10px 25px rgba(0,0,0,0.1);
  --shadow-hover: 0 15px 35px rgba(0,0,0,0.15);
  --radius: 16px;
  --maxw: 1200px;
  --gap: 24px;
  --ff-sans: "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.3s ease;
}

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

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--ff-sans);
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f3e8ff 100%);
  color: #1e293b;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  padding: 40px 20px;
}

/* Container */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  padding: 20px 0;
}

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

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

.logo {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #60a5fa);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 18px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.logo:hover {
  transform: scale(1.05);
}

.nav {
  display: flex;
  gap: 16px;
  align-items: center;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 600;
  transition: var(--transition);
}

.nav a:hover {
  color: var(--accent);
  background: rgba(37, 99, 235, 0.1);
  transform: translateY(-1px);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(240,249,255,0.9), rgba(243,232,255,0.9));
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--gap);
  align-items: center;
  margin-bottom: 40px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
}

.hero-left h1 {
  margin: 0 0 16px;
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--accent), #1e40af);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.p {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: 18px;
  line-height: 1.7;
}

.cta {
  display: flex;
  gap: 16px;
  align-items: center;
}

.btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: white;
  padding: 14px 24px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.4);
}

.btn.secondary {
  background: transparent;
  border: 2px solid rgba(37, 99, 235, 0.2);
  color: var(--accent);
  font-weight: 600;
}

.btn.secondary:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* Search Card */
.search-card {
  background: linear-gradient(135deg, #ffffff, #f8fafc);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,0.5);
}

.search-row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.input, .select {
  flex: 1;
  padding: 14px 16px;
  border-radius: 12px;
  border: 2px solid #e2e8f0;
  background: white;
  outline: none;
  font-weight: 500;
  color: #1e293b;
  transition: var(--transition);
  font-size: 16px;
}

.input:focus, .select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.small {
  width: 100px;
}

.search-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

/* Features Section */
#features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

#features > div {
  background: var(--card);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.5);
}

#features > div:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

#features > div:nth-child(1) {
  border-top: 4px solid var(--accent);
}

#features > div:nth-child(2) {
  border-top: 4px solid var(--accent-2);
}

#features > div:nth-child(3) {
  border-top: 4px solid var(--accent-3);
}

#features h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}

/* Rooms Grid */
.rooms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.room-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.5);
}

.room-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.room-img {
  height: 200px;
  background-size: cover;
  background-position: center;
  transition: var(--transition);
}

.room-card:hover .room-img {
  transform: scale(1.05);
}

.room-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.room-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.room-title h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.price {
  font-weight: 800;
  color: var(--accent);
  font-size: 20px;
}

.room-info {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

.features {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.feature {
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 20px;
  background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
  color: var(--muted);
  font-weight: 500;
  transition: var(--transition);
}

.feature:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: white;
}

/* Aside Card */
.aside-card {
  background: linear-gradient(135deg, #ffffff, #f8fafc);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,0.5);
  height: fit-content;
  position: sticky;
  top: 20px;
}

/* Footer */
.footer {
  margin-top: 60px;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
  padding: 40px 0;
  border-top: 1px solid #e2e8f0;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr 350px;
    padding: 32px;
  }
  .rooms-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  body {
    padding: 20px 16px;
  }
  .header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding: 24px;
    text-align: center;
  }
  .hero-left h1 {
    font-size: 28px;
  }
  .rooms-grid {
    grid-template-columns: 1fr;
  }
  .search-card {
    order: 2;
  }
  .nav {
    flex-wrap: wrap;
    width: 100%;
    justify-content: center;
  }
  #features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 20px;
  }
  .btn {
    padding: 12px 20px;
    font-size: 14px;
  }
  .search-row {
    flex-direction: column;
    gap: 8px;
  }
  .input, .select {
    width: 100%;
  }
}