/* ---------- RESET & GLOBAL ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: #f8fcf9;
  color: #1a2a1f;
  line-height: 1.6;
  scroll-behavior: smooth;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ----- MÀU SẮC CHỦ ĐẠO (XANH LÁ) ----- */
:root {
  --primary-green: #1E9E5B;
  --primary-light: #25A75C;
  --primary-glow: #2BBE74;
  --white: #FFFFFF;
  --bg-soft: #f2faf5;
  --text-dark: #1a2a1f;
  --text-muted: #2f4d3a;
  --border-light: #d0e6d9;
  --shadow-green: rgba(30, 158, 91, 0.20);
  --shadow-strong: rgba(30, 158, 91, 0.30);
}

/* ---------- HEADER ---------- */
.header {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(30, 158, 91, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(30, 158, 91, 0.12);
  transition: all 0.3s ease;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Cách dùng ảnh local cho icon header */
/*
.logo-icon {
  background: var(--primary-green);
  color: white;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  box-shadow: 0 6px 12px var(--shadow-green);
  flex-shrink: 0;
}
*/
/* Dùng ảnh local cho logo (bỏ comment để sử dụng) */

.logo-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 6px 12px var(--shadow-green);
}
.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}


.logo-text {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #1a3a28;
}
.logo-text span {
  color: var(--primary-green);
  font-weight: 600;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #e8f3ed;
  padding: 8px 18px 8px 14px;
  border-radius: 40px;
  transition: background 0.2s;
  border: 1px solid transparent;
}
.header-phone:hover {
  background: #d5eee2;
  border-color: #b3d9c7;
}
.header-phone i {
  color: var(--primary-green);
  font-size: 1.2rem;
}
.header-phone a {
  text-decoration: none;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 1.1rem;
  letter-spacing: 0.3px;
}

/* ---------- HERO ---------- */
.hero {
  padding: 60px 0 70px;
  background: linear-gradient(145deg, #f0faf4 0%, #ffffff 100%);
  border-bottom: 1px solid rgba(30, 158, 91, 0.08);
}

.hero-grid {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 40px;
}

.hero-content {
  flex: 1.2;
}

.hero-tag {
  display: inline-block;
  background: #ddf0e6;
  color: var(--primary-green);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 6px 18px;
  border-radius: 40px;
  letter-spacing: 0.3px;
  margin-bottom: 18px;
  border: 1px solid #b7dccb;
}

.hero h1 {
  font-size: 3.1rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.hero h1 .highlight {
  color: var(--primary-green);
  position: relative;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 32px;
  font-weight: 400;
  line-height: 1.7;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn-primary {
  background: var(--primary-green);
  color: white;
  border: none;
  padding: 16px 38px;
  border-radius: 60px;
  font-weight: 600;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 12px 28px var(--shadow-strong);
  transition: all 0.25s ease;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary i {
  font-size: 1.2rem;
}
.btn-primary:hover {
  background: #168a4d;
  transform: translateY(-3px);
  box-shadow: 0 20px 32px rgba(30, 158, 91, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--primary-green);
  border: 1.5px solid #9ac9b3;
  padding: 15px 32px;
  border-radius: 60px;
  font-weight: 600;
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-outline i {
  color: var(--primary-green);
}
.btn-outline:hover {
  background: #e6f5ee;
  border-color: var(--primary-green);
  transform: translateY(-2px);
}

.hero-stats {
  flex: 0.8;
  background: white;
  padding: 30px 24px;
  border-radius: 40px;
  box-shadow: 0 20px 40px -12px var(--shadow-green);
  border: 1px solid rgba(46, 189, 116, 0.20);
  backdrop-filter: blur(4px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 10px;
}
.stat-item {
  text-align: center;
}
.stat-number {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary-green);
  letter-spacing: -0.5px;
}
.stat-label {
  font-size: 0.9rem;
  color: #3d5f4e;
  font-weight: 500;
}
.stat-divider {
  width: 1px;
  background: #c8e0d4;
  grid-row: 1 / 3;
  justify-self: center;
}

/* ---------- SERVICES (HÌNH NỀN TOÀN THẺ) ---------- */
.services {
  padding: 80px 0 90px;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}
.section-header p {
  color: var(--text-muted);
  font-size: 1.15rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-card-bg {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px 24px 24px;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  box-shadow: 0 12px 32px -12px rgba(0, 0, 0, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.service-card-bg:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px -16px rgba(30, 158, 91, 0.30);
}

.service-card-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.70) 0%, rgba(0, 0, 0, 0.20) 60%, rgba(0, 0, 0, 0.05) 100%);
  z-index: 1;
  transition: background 0.3s ease;
}

.service-card-bg:hover::before {
  background: linear-gradient(to top, rgba(0, 0, 0, 0.80) 0%, rgba(0, 0, 0, 0.25) 60%, rgba(0, 0, 0, 0.05) 100%);
}

.card-content-bg {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.card-title-bg {
  font-size: 1.6rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.3px;
  line-height: 1.2;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.20);
}

.card-subtitle-bg {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 400;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.15);
  margin-bottom: 12px;
}

.btn-book-bg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  border-radius: 60px;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(2px);
  transition: all 0.3s ease;
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  width: fit-content;
  min-width: 140px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.10);
}
.btn-book-bg i {
  font-size: 0.9rem;
}
.btn-book-bg:hover {
  background: rgba(255, 255, 255, 0.20);
  border-color: #ffffff;
  transform: scale(1.03);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.20);
}

/* ---------- WHY CHOOSE ---------- */
.why-choose {
  background: var(--bg-soft);
  padding: 80px 0;
  border-radius: 60px 60px 0 0;
  margin-top: 20px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-top: 20px;
}

.feature-item {
  background: white;
  padding: 28px 20px;
  border-radius: 30px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.02);
  border: 1px solid #dcefe4;
  transition: 0.2s;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.feature-item i {
  font-size: 1.8rem;
  color: var(--primary-green);
  min-width: 40px;
}
.feature-item div {
  flex: 1;
}
.feature-item strong {
  display: block;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 4px;
}
.feature-item span {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ---------- CONTACT ---------- */
.contact-section {
  padding: 80px 0 90px;
}

.contact-box {
  background: var(--primary-green);
  border-radius: 60px;
  padding: 50px 40px;
  color: white;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 24px 48px -12px var(--shadow-strong);
}

.contact-text {
  flex: 1 1 280px;
  margin-bottom: 16px;
}
.contact-text h2 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 8px;
}
.contact-text p {
  opacity: 0.85;
  font-size: 1.1rem;
}

.contact-form-wrapper {
  flex: 2 1 460px;
  min-width: 280px;
}

.form-message {
  display: none;
  padding: 14px 20px;
  border-radius: 40px;
  font-weight: 600;
  text-align: center;
  margin-top: 4px;
  font-size: 0.95rem;
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.30);
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(4px);
  color: #ffffff;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.30);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.10);
}
.form-message i {
  margin-right: 10px;
  font-size: 1.1rem;
}
.form-message.error {
  background: rgba(180, 40, 40, 0.50);
  border-color: rgba(255, 150, 150, 0.40);
}
.form-message.success {
  background: rgba(30, 158, 91, 0.50);
  border-color: rgba(255, 255, 255, 0.30);
}

.contact-form {
  background: white;
  padding: 24px 24px 20px;
  border-radius: 40px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.form-row input,
.form-row textarea {
  flex: 1 1 180px;
  border: 1px solid #dcefe4;
  border-radius: 40px;
  padding: 14px 20px;
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
  background: #f8fcf9;
  transition: 0.2s;
  outline: none;
  color: var(--text-dark);
  min-width: 140px;
}
.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--primary-green);
  box-shadow: 0 0 0 4px rgba(30, 158, 91, 0.12);
  background: white;
}
.form-row textarea {
  flex: 1 1 100%;
  border-radius: 24px;
  resize: vertical;
  min-height: 80px;
  max-height: 160px;
  padding: 16px 20px;
  line-height: 1.5;
}

.contact-form .btn-submit {
  background: var(--primary-green);
  border: none;
  color: white;
  padding: 16px 28px;
  border-radius: 60px;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  transition: 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  border: 1px solid transparent;
  font-family: 'Inter', sans-serif;
}
.contact-form .btn-submit:hover {
  background: #168a4d;
  transform: scale(1.01);
  box-shadow: 0 8px 20px rgba(30, 158, 91, 0.3);
}

/* ---------- FOOTER ---------- */
.footer {
  background: #e8f5ef;
  padding: 40px 0 28px;
  border-top: 1px solid #c6dfd2;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer .social-icons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 16px;
}
.footer .social-icons a {
  color: var(--primary-green);
  font-size: 1.5rem;
  transition: 0.2s;
}
.footer .social-icons a:hover {
  color: #136f41;
  transform: translateY(-3px);
}

.footer-policies {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 28px;
  margin: 12px 0 16px;
  padding: 0 10px;
}

.footer-policies a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s, transform 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  position: relative;
}
.footer-policies a::after {
  /*content: 'PDF';*/
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--primary-green);
  background: rgba(30, 158, 91, 0.10);
  padding: 1px 8px;
  border-radius: 30px;
  letter-spacing: 0.3px;
  border: 1px solid rgba(30, 158, 91, 0.15);
  transition: background 0.2s;
}
.footer-policies a:hover {
  color: var(--primary-green);
  transform: translateY(-2px);
}
.footer-policies a:hover::after {
  background: rgba(30, 158, 91, 0.18);
}

.footer .copyright {
  font-weight: 500;
  margin-top: 4px;
}
.footer .copyright-phone {
  font-size: 0.85rem;
  margin-top: 6px;
  opacity: 0.7;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 850px) {
  .hero-grid {
    flex-direction: column;
  }
  .hero h1 {
    font-size: 2.6rem;
  }
  .hero-stats {
    width: 100%;
  }
  .contact-box {
    flex-direction: column;
    align-items: stretch;
    padding: 36px 24px;
    border-radius: 40px;
  }
  .contact-text {
    text-align: center;
    margin-bottom: 20px;
  }
  .contact-text h2 {
    font-size: 1.9rem;
  }
  .contact-form {
    padding: 20px 18px;
    border-radius: 32px;
  }
  .form-row {
    flex-direction: column;
    gap: 12px;
  }
  .form-row input,
  .form-row textarea {
    flex: 1 1 auto;
    min-width: 0;
    width: 100%;
    border-radius: 30px;
  }
  .contact-form .btn-submit {
    width: 100%;
    justify-content: center;
  }
  .header .container {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px;
  }
  .logo-text {
    font-size: 1.4rem;
  }
  .service-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
  }
  .service-card-bg {
    min-height: 320px;
    padding: 24px 20px 20px;
  }
  .card-title-bg {
    font-size: 1.4rem;
  }
  .footer-policies {
    gap: 10px 20px;
  }
  .footer-policies a {
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }
  .btn-primary,
  .btn-outline {
    padding: 14px 24px;
    font-size: 1rem;
  }
  .stat-number {
    font-size: 1.8rem;
  }
  .contact-box {
    padding: 28px 16px;
    border-radius: 32px;
  }
  .contact-form {
    padding: 16px 12px;
    border-radius: 28px;
  }
  .service-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .service-card-bg {
    min-height: 280px;
    border-radius: 20px;
    padding: 20px 16px 18px;
  }
  .card-title-bg {
    font-size: 1.2rem;
  }
  .card-subtitle-bg {
    font-size: 0.85rem;
  }
  .btn-book-bg {
    padding: 10px 20px;
    font-size: 0.85rem;
    min-width: 120px;
  }
  .footer-policies {
    flex-direction: column;
    gap: 8px;
    align-items: center;
  }
  .footer-policies a::after {
    font-size: 0.55rem;
    padding: 0 6px;
  }
  .form-message {
    font-size: 0.85rem;
    padding: 12px 16px;
  }
}

/* ---------- ANIMATION ---------- */
.fade-in {
  animation: fadeUp 0.7s ease both;
}
@keyframes fadeUp {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}
.delay-1 {
  animation-delay: 0.1s;
}
.delay-2 {
  animation-delay: 0.2s;
}
.delay-3 {
  animation-delay: 0.3s;
}