:root {
  /* Green pastel palette */
  --green-900: #006837;
  /* headings*/
  --green-700: #2f6f55;
  /* primary text */
  --green-600: #3fa57a;
  /* primary brand */
  --green-500: #2fb174;
  /* buttons */
  --green-550: #23965f;
  /* buttons */
  --green-400: #9fe2c5;
  /* accents */
  --green-100: #e3ffee;
  /* backgrounds */
  --mint-100: #e6fbf2;
  /* subtle accent */
  --gray-600: #455468;
  --gray-400: #6c7a8a;
  --ink: #0f172a;
  --muted: #546a7b;
  /* Background & UI */
  --bg: #f7fcf9;
  --card: #ffffff;
  --ring: rgba(63, 165, 122, .25);
  --shadow: 0 10px 30px rgba(31, 77, 58, .08);
  --radius: 16px;
  --max: 1200px;
}

* {
  box-sizing: border-box
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--ink);
  background: linear-gradient(180deg, var(--bg) 0%, #ffffff 100%)
}

a {
  color: var(--green-600);
  text-decoration: none;
}

a:hover {
  color: var(--green-900);
}

:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px var(--ring);
  border-radius: 10px;
}

img {
  max-width: 100%;
  height: auto
}

.container {
  width: min(var(--max), 92%);
  margin-inline: auto;
}

.shadow {
  box-shadow: var(--shadow)
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .85rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  border: 0;
  background: var(--green-500);
  color: #fff;
  cursor: pointer;
  transition: .2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  filter: brightness(.98);
  background: var(--green-550);
  color: #fff;
}

.btn.ghost {
  background: #fff;
  color: var(--green-700);
  border: 1px solid #e5eef5
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .35rem .6rem;
  border-radius: 999px;
  background: var(--green-100);
  color: var(--green-700);
  font-size: .85rem;
  font-weight: 600
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2000;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, .06);
}

/* Reserve space for fixed header (current height = 74px) */
.container.body-content {
  padding-top: 74px;
}

/* Prevent anchor sections (#booking, #services...) from being hidden under header */
html {
  scroll-padding-top: 90px;
  /* 74px + chút khoảng thở */
}

/* Optional: if you use :target anchors a lot */
:target {
  scroll-margin-top: 90px;
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: .75rem 0;
}

.brand-link {
  display: inline-flex;
}

.brand {
  display: flex;
  align-items: center;
  gap: .6rem;
}

.brand span {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--green-900);
}

.logo {
  width: 50px;
  height: 50px;
  background-image: url('../assets/home/logo60x60.png');
  background-size: contain;
  background-repeat: no-repeat;
  position: relative;
}

.site-nav ul {
  display: flex;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  padding: .55rem .75rem;
  border-radius: 12px;
  color: var(--green-700);
  font-weight: 700;
  transition: background-color .2s ease, color .2s ease;
}

.site-nav a:hover {
  background: var(--mint-100);
  color: var(--green-900);
}

.nav-cta {
  display: flex;
  gap: .5rem;
  align-items: center;
}

.hamburger {
  display: none;
}

/* Footer */
footer {
  background: var(--green-900);
  color: var(--mint-100);
  margin-top: 3rem;
}

.foot {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 18px;
  padding: 2.5rem 0;
}

footer a {
  color: var(--mint-100);
  font-weight: 600;
}

footer a:hover {
  color: #fff;
}

footer ul {
  margin: .75rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .5rem;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, .18);
  padding: 1rem 0;
  color: rgba(230, 251, 242, .78);
  font-size: .95rem;
  text-align: center;
}

/* Floating icon */
.contact-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 9999;
}

.contact-btn {
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, .06);
  box-shadow: 0 10px 30px rgba(31, 77, 58, .18);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}

.contact-btn:hover {
  transform: scale(1.06);
  box-shadow: 0 15px 40px rgba(31, 77, 58, .28);
}

/* Icon size */
.contact-btn img {
  width: 28px;
  height: 28px;
}

/* Phone button (dùng brand color) */
.contact-btn.phone {
  color: #fff;
  font-size: 22px;
  line-height: 1;
  padding-bottom: 8px;
}

/* phone hover */
.contact-btn.phone:hover {
  background: var(--green-550);
}


/* Responsive */
@media (max-width:1000px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .pricing {
    grid-template-columns: 1fr
  }

  .coverage {
    grid-template-columns: 1fr
  }

  .grid-3,
  .blog,
  .cards {
    grid-template-columns: 1fr 1fr
  }

  .contact {
    grid-template-columns: 1fr
  }
}

@media (max-width: 900px) {
  .foot {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .contact-btn {
    width: 52px;
    height: 52px;
  }
}

@media (max-width: 680px) {
  .btn {
    display: none;
  }

  /* nếu muốn giữ CTA, bỏ dòng này */

  .hamburger {
    display: inline-flex;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, .10);
    border-radius: 12px;
    padding: .55rem;
    gap: .35rem;
    flex-direction: column;
    cursor: pointer;
  }

  .hamburger span {
    width: 22px;
    height: 2px;
    background: var(--green-900);
    border-radius: 2px;
  }

  .site-nav ul {
    display: none;
    position: absolute;
    left: 4%;
    right: 4%;
    top: 72px;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, .08);
    border-radius: 16px;
    box-shadow: var(--shadow);
    z-index: 2000;
  }

  .site-nav ul.is-open {
    display: flex;
    z-index: 2000;
  }

  .site-nav a {
    width: 100%;
  }

  .grid-3,
  .blog,
  .cards {
    grid-template-columns: 1fr
  }
}

@media (max-width: 560px) {
  .foot {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 420px) {
  .contact-btn {
    width: 48px;
    height: 48px;
  }

  .contact-btn img {
    width: 26px;
    height: 26px;
  }
}

/* safe-area for iOS */
@supports (padding: max(0px)) {
  .contact-float {
    right: max(16px, env(safe-area-inset-right));
    bottom: max(16px, env(safe-area-inset-bottom));
  }
}