:root {
  --bg-color: #121214;
  --card-bg: #1c1c1f;
  --accent-gold: #c59d5f;
  --accent-gold-hover: #e0b46f;
  --text-cream: #e8d5b5; /* Màu kem sang trọng cho link địa chỉ */
  --input-bg: #28282c;
  --text-main: #f3f3f5;
  --text-muted: #a0a0aa;
  --border-color: rgba(255, 255, 255, 0.08);
  --shadow-glow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(197, 157, 95, 0.15);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  padding-bottom: 60px;
  background-image: radial-gradient(circle at 50% 0%, rgba(197, 157, 95, 0.1) 0%, transparent 70%);
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 8%;
  background: rgba(18, 18, 20, 0.8);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border-color);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent-gold);
}

.navbar nav a {
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 30px;
  transition: all 0.3s ease;
  font-size: 0.95rem;
}

.navbar nav a:hover {
  color: var(--accent-gold);
}

/* Container Header */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 20px;
}

.header-title {
  text-align: center;
  margin-bottom: 45px;
}

.header-title h2 {
  font-size: 2.2rem;
  letter-spacing: 2px;
  color: var(--text-main);
  margin-bottom: 10px;
  font-weight: 600;
}

.header-title p {
  color: var(--text-muted);
  font-size: 1rem;
}

/* Grid Layout */
.hotel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 30px;
}

/* Hotel Card Style */
.hotel-card {
  background: var(--card-bg);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
}

.hotel-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(197, 157, 95, 0.4);
}

/* Card Image */
.card-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hotel-card:hover .card-image img {
  transform: scale(1.08);
}

.badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: rgba(197, 157, 95, 0.9);
  color: #000;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 20px;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
}

/* Card Content & Form */
.card-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.hotel-name {
  font-size: 1.3rem;
  color: var(--text-main);
  margin-bottom: 8px;
}

/* Tinh chỉnh Link Vị Trí / Maps: Màu kem nhã nhặn */
.hotel-location {
  font-size: 0.85rem;
  margin-bottom: 20px;
  line-height: 1.4;
}

.hotel-location a {
  color: var(--text-cream);
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: flex-start;
  gap: 6px;
}

.hotel-location a i {
  color: var(--accent-gold);
  margin-top: 3px;
}

.hotel-location a:hover {
  color: var(--accent-gold-hover);
  transform: translateX(2px);
}

.booking-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-row {
  display: flex;
  gap: 12px;
}

.input-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 500;
}

.input-wrapper, .select-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper input, .select-wrapper select {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  outline: none;
  transition: all 0.3s ease;
  appearance: none;
}

.input-wrapper input[type="date"]::-webkit-calendar-picker-indicator {
  opacity: 0;
  cursor: pointer;
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
}

.input-wrapper i, .select-wrapper i {
  position: absolute;
  right: 12px;
  color: var(--accent-gold);
  font-size: 0.85rem;
  pointer-events: none;
}

.input-wrapper input:focus, .select-wrapper select:focus {
  border-color: var(--accent-gold);
  background: #303036;
  box-shadow: 0 0 10px rgba(197, 157, 95, 0.2);
}

/* Button */
.btn-submit {
  margin-top: 10px;
  background: linear-gradient(135deg, #c59d5f, #9e7a3f);
  color: #fff;
  border: none;
  padding: 14px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 1px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(197, 157, 95, 0.3);
}

.btn-submit:hover {
  background: linear-gradient(135deg, #e0b46f, #c59d5f);
  box-shadow: 0 6px 20px rgba(197, 157, 95, 0.5);
  transform: translateY(-2px);
}

.btn-submit i {
  transition: transform 0.3s ease;
}

.btn-submit:hover i {
  transform: translateX(4px);
}

/* Hotline & Email Contact */
.hotel-contact {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px dashed var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
}

.contact-item i {
  color: var(--accent-gold);
  width: 16px;
  text-align: center;
}

.contact-item a {
  color: var(--text-cream);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-item a:hover {
  color: var(--accent-gold-hover);
}

/* =========================================================
   THIẾT KẾ MỚI: BỘ NÚT MẠNG XÃ HỘI CHIA ĐỀU, ICON NỔI BẬT
   ========================================================= */
.social-links {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  padding-top: 10px;
}

.social-btn {
  flex: 1; /* Chia đều 3 cột bằng nhau */
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  color: var(--text-cream);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Khung tròn chứa Icon nổi bật */
.social-btn .icon-box {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: #ffffff;
  transition: transform 0.3s ease;
}

/* Màu sắc nổi bật của từng Icon */
.social-btn.zalo .icon-box {
  background: #0084ff;
  box-shadow: 0 0 10px rgba(0, 132, 255, 0.4);
}

.social-btn.whatsapp .icon-box {
  background: #25d366;
  box-shadow: 0 0 10px rgba(37, 211, 102, 0.4);
}

.social-btn.facebook .icon-box {
  background: #1877f2;
  box-shadow: 0 0 10px rgba(24, 119, 242, 0.4);
}

/* Hiệu ứng Hover */
.social-btn:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--accent-gold);
  color: #ffffff;
  transform: translateY(-3px);
}

.social-btn:hover .icon-box {
  transform: scale(1.15);
}

/* Responsive UI */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 15px;
  }
  .navbar nav a {
    margin: 0 10px;
  }
  .header-title h2 {
    font-size: 1.6rem;
  }
}