/* ===================================================
   UT NA SPA — MAIN CSS
   =================================================== */

:root {
  --primary:    #b5896a;
  --primary-dk: #9a6f52;
  --primary-lt: #f5ede6;
  --accent:     #d4a574;
  --green:      #7a9e7e;
  --dark:       #2c2c2c;
  --mid:        #666;
  --light:      #f8f5f2;
  --white:      #ffffff;
  --border:     #e8ddd5;
  --shadow:     0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg:  0 12px 48px rgba(0,0,0,0.12);
  --radius:     12px;
  --radius-sm:  8px;
  --transition: 0.3s ease;
  --font-head:  'Playfair Display', Georgia, serif;
  --font-body:  'Be Vietnam Pro', sans-serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: var(--font-body); border: none; background: none; }

/* ── Container ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ── Section ── */
.section { padding: 80px 0; }
.section--alt { background: var(--light); }
.section__header { text-align: center; margin-bottom: 48px; }
.section__sub {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 10px;
}
.section__title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--dark);
  line-height: 1.2;
}
.section__title em { font-style: italic; color: var(--primary); }
.section__desc { margin-top: 14px; color: var(--mid); max-width: 560px; margin-left: auto; margin-right: auto; }
.section__footer { text-align: center; margin-top: 40px; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}
.btn--primary { background: var(--primary); color: var(--white); }
.btn--primary:hover { background: var(--primary-dk); transform: translateY(-2px); }
.btn--outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn--outline:hover { background: var(--primary); color: var(--white); }
.btn--white { background: var(--white); color: var(--primary); }
.btn--white:hover { background: var(--primary-lt); }
.btn--lg { padding: 15px 36px; font-size: 1rem; }
.btn--block { width: 100%; }
.btn--sm { padding: 8px 18px; font-size: 0.85rem; }

/* ── HEADER ── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.header.scrolled { box-shadow: var(--shadow); }
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

/* ── Logo ── */
.logo { display: flex; align-items: center; gap: 8px; }
.logo__icon { font-size: 1.6rem; }
.logo__text {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--dark);
}
.logo__text em { color: var(--primary); font-style: italic; }
.logo--white .logo__text { color: var(--white); }
.logo--white .logo__text em { color: var(--accent); }

/* ── Nav ── */
.nav { display: flex; align-items: center; gap: 4px; }
.nav__link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--dark);
  transition: var(--transition);
}
.nav__link:hover, .nav__link.active { color: var(--primary); background: var(--primary-lt); }
.nav__link--cta {
  background: var(--primary);
  color: var(--white) !important;
  border-radius: 50px;
  padding: 8px 20px;
}
.nav__link--cta:hover { background: var(--primary-dk) !important; }
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
}
.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Page Hero ── */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dk) 0%, var(--primary) 50%, var(--accent) 100%);
  color: var(--white);
  text-align: center;
  padding: 120px 20px 60px;
}
.page-hero--sm { padding: 110px 20px 50px; }
.page-hero__sub {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: 10px;
}
.page-hero__title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
}
.page-hero__desc { margin-top: 12px; opacity: 0.9; font-size: 1.05rem; }

/* ── Service Card ── */
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-card__img {
  height: 180px;
  background: linear-gradient(135deg, var(--primary-lt), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
}
.service-card__body { padding: 20px; }
.service-card__cat {
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.service-card__name {
  font-family: var(--font-head);
  font-size: 1.15rem;
  margin-bottom: 8px;
  line-height: 1.3;
}
.service-card__desc {
  font-size: 0.88rem;
  color: var(--mid);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.service-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: 14px;
}
.service-card__price { font-weight: 700; color: var(--primary); font-size: 1.05rem; }
.service-card__duration { font-size: 0.82rem; color: var(--mid); }

/* ── Package Card ── */
.package-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 2px solid var(--border);
  padding: 30px;
  position: relative;
  transition: var(--transition);
}
.package-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.package-card--featured { border-color: var(--primary); }
.package-card__badge {
  position: absolute;
  top: -12px; left: 24px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
  letter-spacing: 0.05em;
}
.package-card__name {
  font-family: var(--font-head);
  font-size: 1.3rem;
  margin-bottom: 10px;
  margin-top: 10px;
}
.package-card__desc { font-size: 0.9rem; color: var(--mid); margin-bottom: 20px; }
.package-card__price-wrap { margin-bottom: 20px; }
.package-card__price { font-size: 1.8rem; font-weight: 700; color: var(--primary); }
.package-card__old-price { font-size: 1rem; color: var(--mid); text-decoration: line-through; margin-left: 8px; }
.package-card__sessions { font-size: 0.85rem; color: var(--mid); margin-top: 4px; }
.package-card__duration { font-size: 0.85rem; color: var(--mid); }

/* ── Grid ── */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.packages__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

/* ── Categories ── */
.categories__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}
.cat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}
.cat-card:hover { border-color: var(--primary); background: var(--primary-lt); transform: translateY(-3px); }
.cat-card__icon { font-size: 2.4rem; margin-bottom: 10px; }
.cat-card__name { font-weight: 600; font-size: 0.9rem; line-height: 1.3; color: var(--dark); }
.cat-card__desc { font-size: 0.78rem; color: var(--mid); margin-top: 6px; }

/* ── Why Us ── */
.why-us__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.why-us__text p { color: var(--mid); margin-bottom: 16px; }
.why-us__list { margin: 20px 0 28px; display: flex; flex-direction: column; gap: 10px; }
.why-us__list li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.95rem; }
.check { color: var(--primary); font-weight: 700; flex-shrink: 0; margin-top: 2px; }
.why-us__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
  text-align: center;
}
.stat-card__num {
  display: block;
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}
.stat-card__label { font-size: 0.85rem; color: var(--mid); margin-top: 6px; display: block; }

/* ── Info bar ── */
.info-bar {
  background: var(--primary);
  color: var(--white);
  padding: 14px 0;
}
.info-bar__inner {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.info-bar__item { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; }
.info-bar__icon { font-size: 1.1rem; }
.info-bar__item a { color: var(--white); }
.info-bar__item a:hover { text-decoration: underline; }

/* ── Booking CTA ── */
.booking-cta {
  background: linear-gradient(135deg, var(--primary-dk) 0%, var(--primary) 60%, var(--accent) 100%);
}
.booking-cta__inner {
  text-align: center;
  color: var(--white);
}
.booking-cta__inner h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 12px;
}
.booking-cta__inner p { opacity: 0.9; margin-bottom: 28px; font-size: 1.05rem; }

/* ── About page ── */
.about-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-text h2 { font-family: var(--font-head); font-size: 2rem; margin-bottom: 20px; }
.about-text p { color: var(--mid); margin-bottom: 16px; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.values-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 24px; }
.value-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  border: 1px solid var(--border);
}
.value-card__icon { font-size: 2.5rem; margin-bottom: 12px; }
.value-card h3 { font-family: var(--font-head); margin-bottom: 10px; }
.value-card p { font-size: 0.9rem; color: var(--mid); }

/* ── Contact page ── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
}
.contact-info h3, .contact-form-wrap h3 { font-family: var(--font-head); font-size: 1.5rem; margin-bottom: 24px; }
.contact-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 30px; }
.contact-list li { display: flex; gap: 14px; align-items: flex-start; }
.contact-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.contact-list strong { display: block; font-weight: 600; margin-bottom: 2px; }
.contact-list a { color: var(--primary); }
.map-wrap { border-radius: var(--radius); overflow: hidden; }

/* ── Form ── */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 500; font-size: 0.9rem; margin-bottom: 6px; color: var(--dark); }
.required { color: #e05; }
.form-control {
  width: 100%;
  padding: 11px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--dark);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(181,137,106,0.15); }
.form-control.error { border-color: #e05; }
.form-control--error { font-size: 0.8rem; color: #e05; margin-top: 4px; }
textarea.form-control { resize: vertical; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' fill='none' stroke-width='1.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.form-check { display: flex; align-items: flex-start; gap: 10px; }
.form-check input[type="checkbox"] { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; accent-color: var(--primary); }
.form-check label { font-size: 0.9rem; cursor: pointer; }

/* ── Footer ── */
.footer { background: #1e1e1e; color: rgba(255,255,255,0.8); padding: 60px 0 0; }
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer__brand .logo { margin-bottom: 14px; }
.footer__brand p { font-size: 0.88rem; opacity: 0.75; line-height: 1.7; }
.footer__socials { display: flex; gap: 12px; margin-top: 16px; }
.social-link {
  padding: 6px 16px;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.3);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.8);
  transition: var(--transition);
}
.social-link:hover { border-color: var(--accent); color: var(--accent); }
.footer__col h4 { color: var(--white); font-weight: 600; margin-bottom: 16px; font-size: 0.95rem; }
.footer__col ul li { margin-bottom: 10px; }
.footer__col ul li a { font-size: 0.88rem; opacity: 0.75; transition: var(--transition); }
.footer__col ul li a:hover { opacity: 1; color: var(--accent); }
.footer__contact li { display: flex; gap: 8px; font-size: 0.88rem; opacity: 0.8; line-height: 1.5; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 16px 0;
  text-align: center;
  font-size: 0.82rem;
  opacity: 0.6;
}

/* ── Loading ── */
.loading { text-align: center; padding: 60px 20px; color: var(--mid); font-style: italic; }

/* ── Floating Buttons ── */
.floating-btns {
  position: fixed;
  bottom: 28px; right: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}
.float-btn {
  width: 50px; height: 50px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  transition: var(--transition);
}
.float-btn:hover { transform: scale(1.1); }
.float-btn--phone { background: #25d366; }
.float-btn--zalo  { background: #0068ff; }
.float-btn--book  { background: var(--primary); }

/* ── Toast / Alert ── */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-top: 12px;
}
.alert--success { background: #e9f7ef; color: #1d7a3f; border: 1px solid #a7ddb8; }
.alert--error   { background: #fdecea; color: #c62828; border: 1px solid #f5aaaa; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .why-us__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .about-layout { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .nav { display: none; position: fixed; top: 70px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--border); flex-direction: column; padding: 20px; gap: 4px; box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav__link { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 1rem; }
  .nav__toggle { display: flex; }
  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .info-bar__inner { gap: 16px; flex-direction: column; align-items: flex-start; padding: 0 20px; }
  .categories__grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 480px) {
  .categories__grid { grid-template-columns: repeat(2, 1fr); }
  .why-us__stats { grid-template-columns: repeat(2, 1fr); }
  .packages__grid { grid-template-columns: 1fr; }
}

/* ── Footer bottom links (added for footer component) ── */
.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer__bottom-links {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
}
.footer__bottom-links a { opacity: 0.6; transition: var(--transition); }
.footer__bottom-links a:hover { opacity: 1; color: var(--accent); }
.footer__bottom-links span { opacity: 0.3; }

/* ── Footer col links with icons ── */
.footer__col ul li a { display: flex; align-items: center; gap: 8px; }
.footer__col ul li a i { width: 14px; text-align: center; font-size: 0.78rem; opacity: 0.7; }
.footer__contact li { display: flex; align-items: flex-start; gap: 8px; }
.footer__contact li i { margin-top: 3px; width: 14px; text-align: center; color: var(--accent); flex-shrink: 0; }

@media (max-width: 600px) {
  .footer__bottom-inner { flex-direction: column; text-align: center; }
}