* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg:#faf7f2; --ink:#23201c; --muted:#8a8175; --line:#ece6dc;
  --gold:#F4A14F; --gold-dark:#d9863a; --black:#1a1714; --card:#fff;
  --serif:"Playfair Display", Georgia, serif;
  --sans:"Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--bg); color: var(--ink); -webkit-font-smoothing: antialiased; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.serif { font-family: var(--serif); }

header.nav { position: sticky; top: 0; z-index: 100; background: rgba(250,247,242,0.9); backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.nav-logo { height: 38px; }
.nav-logo img { height: 100%; width: auto; }
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a { font-size: 15px; font-weight: 500; color: var(--ink); transition: color 0.15s; }
.nav-links a:hover, .nav-links a.active { color: var(--gold-dark); }
.nav-cta { background: var(--gold); color: #fff !important; padding: 10px 20px; border-radius: 999px; font-weight: 600; font-size: 14px; transition: opacity 0.15s; }
.nav-cta:hover { opacity: 0.9; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; font-size: 26px; color: var(--ink); }
.mobile-menu { display: none; flex-direction: column; padding: 12px 24px 20px; gap: 4px; border-bottom: 1px solid var(--line); background: var(--bg); }
.mobile-menu a { padding: 12px 0; font-weight: 500; border-bottom: 1px solid var(--line); }
.mobile-menu.open { display: flex; }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 15px 28px; border-radius: 999px; font-weight: 600; font-size: 15px; cursor: pointer; border: none; transition: transform 0.12s, opacity 0.15s; font-family: var(--sans); }
.btn-gold { background: var(--gold); color: #fff; box-shadow: 0 8px 24px rgba(244,161,79,0.4); }
.btn-gold:hover { opacity: 0.92; }
.btn-outline { background: rgba(255,255,255,0.12); color: #fff; border: 1.5px solid rgba(255,255,255,0.5); backdrop-filter: blur(6px); }
.btn-outline:hover { background: rgba(255,255,255,0.2); }
.btn:active { transform: scale(0.98); }

section.block { padding: 80px 0; }
.sec-head { text-align: center; max-width: 640px; margin: 0 auto 50px; }
.sec-head .eyebrow { font-size: 13px; letter-spacing: 3px; text-transform: uppercase; color: var(--gold-dark); font-weight: 600; margin-bottom: 12px; }
.sec-head h2 { font-family: var(--serif); font-size: clamp(28px, 4vw, 44px); font-weight: 700; line-height: 1.15; margin-bottom: 14px; }
.sec-head p { color: var(--muted); font-size: 16px; }

/* page hero (sub pages) */
.page-hero { background: var(--black); color: #fff; padding: 64px 0 56px; text-align: center; }
.page-hero .eyebrow { font-size: 13px; letter-spacing: 3px; text-transform: uppercase; color: var(--gold); font-weight: 600; margin-bottom: 12px; }
.page-hero h1 { font-family: var(--serif); font-size: clamp(32px, 5vw, 54px); font-weight: 700; line-height: 1.1; }
.page-hero p { color: #c9bfb0; margin-top: 14px; font-size: 17px; max-width: 600px; margin-left: auto; margin-right: auto; }

footer.ft { background: var(--black); color: #cabfb0; padding: 56px 0 28px; }
.ft-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
.ft-logo { height: 40px; margin-bottom: 16px; }
.ft-logo img { height: 100%; }
.ft p.tagline { font-family: var(--serif); font-style: italic; color: var(--gold); margin-bottom: 6px; }
.ft h4 { color: #fff; font-size: 15px; margin-bottom: 16px; letter-spacing: 0.5px; }
.ft ul { list-style: none; }
.ft ul li { margin-bottom: 10px; }
.ft ul li a { font-size: 14px; transition: color 0.15s; }
.ft ul li a:hover { color: var(--gold); }
.ft-bottom { border-top: 1px solid #3a342c; padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: #8a8175; }
.ft-social { display: flex; gap: 16px; }
.ft-social a:hover { color: var(--gold); }

.float-contact { position: fixed; right: 18px; bottom: 18px; z-index: 200; display: flex; flex-direction: column; gap: 12px; }
.float-contact a { width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 18px rgba(0,0,0,0.22); font-size: 24px; color: #fff; transition: transform 0.12s; }
.float-contact a:hover { transform: scale(1.08); }
.fc-phone { background: #2ecc71; }
.fc-zalo { background: #0068ff; font-size: 15px; font-weight: 700; }
.fc-fb { background: #1877f2; }
.fc-ig { background: radial-gradient(circle at 30% 110%, #fdf497 0%, #fd5949 45%, #d6249f 60%, #285AEB 90%); }
.fc-tt { background: #111; }

/* Đánh giá khách hàng */
.reviews-sec { background: #f3ece1; }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 6px; }
.review-card { background: #fff; border-radius: 16px; padding: 26px 24px; box-shadow: 0 4px 16px rgba(0,0,0,0.05); }
.rv-text { color: #4a443b; font-size: 15.5px; line-height: 1.7; font-style: italic; margin-bottom: 14px; }
.rv-name { font-family: var(--serif); font-weight: 700; color: var(--gold-dark); }
@media (max-width: 760px) { .reviews-grid { grid-template-columns: 1fr; } }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .ft-grid { grid-template-columns: 1fr; gap: 28px; }
  section.block { padding: 56px 0; }
}