*{margin:0;padding:0;outline:0;box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;-mos-box-sizing:border-box}
:root{
    --ink:#0c0b0a;
    --ink-2:#161311;
    --ink-3:#211c18;
    --cream:#f4ede0;
    --cream-dim:#cfc4ae;
    --gold:#c8974f;
    --gold-soft:#e3c48c;
    --gold-line:rgba(200,151,79,.35);
    --ember:#b7593d;
    --serif: 'Cormorant Garamond', serif;
    --sans: 'Work Sans', sans-serif;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--ink);
    color:var(--cream);
    font-family:var(--sans);
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;}
  a{color:inherit;text-decoration:none;}
  .eyebrow{
    font-family:var(--sans);
    font-size:1.25rem;
    letter-spacing:.32em;
    text-transform:uppercase;
    color:var(--gold);
    font-weight:500;
  }
  h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:.01em;}
  .wrap{max-width:1240px;margin:0 auto;padding:0 40px;}

  /* subtle grain overlay */
  .grain{
    position:fixed;inset:0;pointer-events:none;z-index:999;
    opacity:.045;mix-blend-mode:overlay;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }

  /* ===== NAV ===== */
  header{
    position:sticky;top:0;z-index:200;
    background:rgba(12,11,10,.72);
    backdrop-filter:blur(14px) saturate(140%);
    border-bottom:1px solid var(--gold-line);
    transition:background .35s ease, box-shadow .35s ease, border-color .35s ease;
  }
  header.scrolled{
    background:rgba(9,8,7,.92);
    box-shadow:0 12px 30px rgba(0,0,0,.35);
    border-bottom-color:rgba(200,151,79,.5);
  }
  .nav{
    display:flex;align-items:center;justify-content:space-between;
    padding:18px 40px;max-width:1240px;margin:0 auto;
    transition:padding .35s ease;
  }
  header.scrolled .nav{padding:12px 40px;}
  .brand{display:flex;align-items:center;gap:14px;}
  .brand-name{line-height:1.05;}
  .brand-name .main{font-family:var(--serif);font-size:1.6rem;letter-spacing:.14em;color:var(--cream);}
  .brand-name .sub{font-size:.8rem;letter-spacing:.24em;color:var(--gold);text-transform:uppercase;}
  .brand img{max-height: 100px;}
  .enso{width:46px;height:46px;flex-shrink:0;transition:width .35s ease,height .35s ease;}
  header.scrolled .enso{width:36px;height:36px;}
  .navlinks{display:flex;align-items:center;gap:36px;font-size:1.25rem;letter-spacing:.03em;color:var(--cream-dim);}
  .navlinks a{position:relative;padding:4px 0;transition:color .25s ease;}
  .navlinks a:hover{color:var(--gold-soft);}
  .navlinks a::after{
    content:'';position:absolute;left:0;bottom:-2px;width:0;height:1px;
    background:var(--gold);transition:width .3s ease;
  }
  .navlinks a:hover::after{width:100%;}
  .navlinks a.active{color:var(--gold-soft);}
  .navlinks a.active::after{width:100%;}
  a.brand{transition:opacity .25s ease;}
  a.brand:hover{opacity:.82;}
  .menu-btn.active{background:var(--gold);color:var(--ink);border-color:var(--gold);}
  .mobile-panel a.active{color:var(--gold-soft);}
  .menu-btn{
    display:flex;align-items:center;gap:8px;
    border:1px solid var(--gold-line);border-radius:3px;
    color:var(--gold-soft);font-size:.82rem;letter-spacing:.08em;
    cursor:pointer;position:relative;transition:all .3s ease;
  }
  .menu-btn a{
    display: block;padding:9px 18px;
  }
  .menu-btn:hover{background:var(--gold);color:var(--ink);border-color:var(--gold);}
  .kontakt-btn{
    border:1px solid var(--gold);color:var(--gold-soft);
    padding:9px 20px;border-radius:3px;font-size:1.25rem;letter-spacing:.08em;
    transition:all .3s ease;
  }
  .kontakt-btn:hover{background:var(--gold);color:var(--ink);}
  .kontakt-btn.active{background:var(--gold);color:var(--ink);}

  .menu-card{
    position:absolute;top:56px;right:0;
    background:var(--cream);color:var(--ink);
    border-radius:6px;padding:14px 18px;display:flex;align-items:center;gap:12px;
    box-shadow:0 20px 40px rgba(0,0,0,.4);
    opacity:0;transform:translateY(-8px);pointer-events:none;
    transition:all .3s ease;width:230px;
    border:1px solid transparent;
  }
  .menu-btn:hover .menu-card,.menu-card:hover{opacity:1;transform:translateY(0);pointer-events:auto;}
  .menu-card:hover{border-color:var(--gold);box-shadow:0 20px 40px rgba(0,0,0,.4),0 0 0 3px rgba(200,151,79,.15);}
  .menu-card .pdf-ico{
    width:34px;height:34px;border-radius:4px;background:var(--ember);
    display:flex;align-items:center;justify-content:center;color:#fff;font-size:.6rem;font-weight:700;flex-shrink:0;
  }
  .menu-card .t{font-size:.82rem;font-weight:600;display:flex;align-items:center;gap:6px;}
  .menu-card .t svg{width:11px;height:11px;color:#a3763b;flex-shrink:0;}
  .menu-card .s{font-size:.7rem;color:#7a7266;}

  /* ===== HERO ===== */
  .hero{
    position:relative;height:100vh;min-height:640px;display:flex;align-items:center;
    overflow:hidden;
  }
  .hero-bg{
    position:absolute;inset:0;z-index:0;
  }
  .hero-photo{
    position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
    object-position:center 38%;
    filter:saturate(.92) brightness(.72);
  }
  .hero-scrim{
    position:absolute;inset:0;
    background:
      linear-gradient(100deg, rgba(6,5,4,.92) 0%, rgba(6,5,4,.72) 32%, rgba(6,5,4,.28) 62%, rgba(6,5,4,.12) 100%),
      linear-gradient(to top, rgba(6,5,4,.55), transparent 40%);
  }
  .hero-content{
    position:relative;z-index:2;max-width:1240px;margin:0 auto;padding:0 40px;width:100%;
  }
  .hero-text{max-width:620px;}
  .hero h1{
    font-size:clamp(2.6rem,5.4vw,4.3rem);
    line-height:1.08;color:var(--cream);margin:18px 0 22px;
    letter-spacing:.005em;
  }
  .hero h1 em{font-style:italic;color:var(--gold-soft);}
  .hero p{
    color:var(--cream-dim);font-size:1.02rem;line-height:1.75;max-width:480px;margin-bottom:34px;
    font-weight:300;
  }
  .btn-row{display:flex;gap:16px;flex-wrap:wrap;}
  .btn{
    padding:14px 30px;font-size:1.25rem;letter-spacing:.08em;border-radius:2px;
    transition:all .35s cubic-bezier(.2,.8,.2,1);
    display:inline-flex;align-items:center;gap:8px;
  }
  .btn-gold{background:var(--gold);color:var(--ink);font-weight:600;}
  .btn-gold:hover{background:var(--gold-soft);transform:translateY(-2px);box-shadow:0 12px 24px rgba(200,151,79,.25);}
  .btn-outline{border:1px solid var(--cream-dim);color:var(--cream);}
  .btn-outline:hover{border-color:var(--gold);color:var(--gold-soft);transform:translateY(-2px);}

  .hero-fade{
    position:absolute;left:0;right:0;bottom:0;height:160px;
    background:linear-gradient(to bottom, transparent, var(--ink));z-index:1;
  }

  .scroll-cue{
    position:absolute;left:50%;bottom:34px;transform:translateX(-50%);z-index:2;
    display:flex;flex-direction:column;align-items:center;gap:8px;
    color:var(--cream-dim);font-size:.62rem;letter-spacing:.28em;text-transform:uppercase;
    animation:bob 2.6s ease-in-out infinite;
  }
  .scroll-cue svg{width:14px;height:20px;}
  @keyframes bob{0%,100%{transform:translate(-50%,0);}50%{transform:translate(-50%,8px);}}

  /* animated steam/light particles */
  .particle{
    position:absolute;border-radius:50%;
    background:radial-gradient(circle,var(--gold-soft),transparent 70%);
    opacity:0;filter:blur(1px);
    animation:rise 9s ease-in infinite;
  }
  @keyframes rise{
    0%{opacity:0;transform:translateY(0) translateX(0) scale(.4);}
    10%{opacity:.55;}
    80%{opacity:.25;}
    100%{opacity:0;transform:translateY(-320px) translateX(30px) scale(1.4);}
  }

  /* ===== SECTION SCAFFOLD ===== */
  section{position:relative;}
  .reveal{opacity:0;transform:translateY(28px);transition:opacity .9s ease, transform .9s ease;}
  .reveal.in{opacity:1;transform:translateY(0);}

  /* ===== ABOUT ===== */
  .about{background:var(--cream);color:var(--ink);padding:120px 0;}
  .about .wrap{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start;}
  .about-copy .eyebrow{color:#a3763b;}
  .about-copy h2{font-size:clamp(2rem,3.4vw,2.8rem);color:#1c1712;margin:16px 0 26px;line-height:1.15;}
  .about-copy p{color:#5b5147;font-size:.98rem;line-height:1.85;margin-bottom:20px;font-weight:300;max-width:460px;}
  .about-copy p strong{color:#1c1712;font-weight:600;font-style:italic;font-family:var(--serif);font-size:1.05em;}

  .about-media{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:220px 150px;gap:16px;}
  .photo{
    border-radius:8px;overflow:hidden;position:relative;
  }
  .photo::after{content:'';position:absolute;inset:0;pointer-events:none;}
  .photo-hero{grid-column:1/3;}
  .photo img,.photo .art{width:100%;height:100%;object-fit:cover;}
  .about-media .photo,.gallery .photo{cursor:zoom-in;}
  .about-media .photo{transition:transform .4s ease;}
  .about-media .photo:hover{transform:translateY(-4px);}

  /* ===== LIGHTBOX ===== */
  .lightbox{
    position:fixed;inset:0;z-index:400;
    background:rgba(5,4,3,.92);backdrop-filter:blur(6px);
    display:flex;align-items:center;justify-content:center;padding:60px 30px;
    opacity:0;visibility:hidden;transition:opacity .3s ease,visibility 0s linear .3s;
  }
  .lightbox.open{opacity:1;visibility:visible;transition:opacity .3s ease;}
  .lightbox-img{
    max-width:min(1100px,92vw);max-height:86vh;object-fit:contain;
    border-radius:6px;box-shadow:0 30px 80px rgba(0,0,0,.6);
    transform:scale(.94);transition:transform .35s cubic-bezier(.2,.8,.2,1);
  }
  .lightbox.open .lightbox-img{transform:scale(1);}
  .lightbox-close{
    position:fixed;top:24px;right:28px;width:44px;height:44px;border-radius:50%;
    background:rgba(255,255,255,.06);border:1px solid var(--gold-line);
    color:var(--gold-soft);display:flex;align-items:center;justify-content:center;
    cursor:pointer;transition:all .3s ease;
  }
  .lightbox-close:hover{background:var(--gold);color:var(--ink);border-color:var(--gold);}
  .lightbox-close svg{width:18px;height:18px;}
  .lightbox-nav{
    position:fixed;top:50%;transform:translateY(-50%);
    width:52px;height:52px;border-radius:50%;
    background:rgba(255,255,255,.06);border:1px solid var(--gold-line);
    color:var(--gold-soft);display:flex;align-items:center;justify-content:center;
    cursor:pointer;transition:all .3s ease;z-index:2;
  }
  .lightbox-nav:hover{background:var(--gold);color:var(--ink);border-color:var(--gold);}
  .lightbox-nav svg{width:20px;height:20px;}
  .lightbox-prev{left:20px;}
  .lightbox-next{right:20px;}
  .lightbox-counter{
    position:fixed;left:50%;bottom:26px;transform:translateX(-50%);
    color:var(--cream-dim);font-size:.78rem;letter-spacing:.1em;
  }
  @media (max-width:900px){
    .lightbox-close{top:16px;right:16px;}
    .lightbox-nav{width:42px;height:42px;}
    .lightbox-prev{left:8px;}
    .lightbox-next{right:8px;}
  }

  /* ===== INFO BAR ===== */
  .infobar{
    background:var(--ink-2);border-top:1px solid var(--gold-line);border-bottom:1px solid var(--gold-line);
    padding:52px 0;
  }
  .infobar .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;}
  .info-item{display:flex;gap:18px;align-items:flex-start;}
  .info-icon{
    width:44px;height:44px;border:1px solid var(--gold-line);border-radius:50%;
    display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--gold);
  }
  .info-item h3{font-family:var(--sans);font-size:1rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);font-weight:500;margin-bottom:8px;}
  .info-item p{color:var(--cream-dim);font-size:.92rem;line-height:1.6;font-weight:300;}

  /* ===== AMBIENTE ===== */
  .ambiente{padding:120px 0 100px;text-align:center;}
  .ambiente .eyebrow{display:block;margin-bottom:14px;}
  .ambiente h2{font-size:clamp(2rem,3.4vw,2.7rem);margin-bottom:56px;}
  .gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;height:380px;}
  .gallery .photo{transition:transform .5s ease;cursor:pointer;}
  .gallery .photo:hover{transform:translateY(-8px);}
  .gallery .photo:hover img,.gallery .photo:hover .art{transform:scale(1.08);}
  .gallery img,.gallery .art{transition:transform .6s ease;}

  /* ===== LOCATION ===== */
  .location{padding-bottom:120px;}
  .location .wrap{display:grid;grid-template-columns:.85fr 1.4fr;gap:24px;}
  .find-card{
    background:linear-gradient(155deg,var(--ink-3),var(--ink-2));
    border:1px solid var(--gold-line);border-radius:10px;padding:40px;
    display:flex;flex-direction:column;justify-content:space-between;
  }
  .find-card h3{font-family:var(--sans);font-size:1rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);font-weight:500;margin-bottom:16px;}
  .find-card .addr{font-size:1.25rem;font-family:var(--serif);color:var(--cream);line-height:1.4;margin-bottom:30px;}
  .find-card .pin{width:38px;height:38px;color:var(--gold);margin-bottom:18px;}
  .map-btn{
    align-self:flex-start;background:var(--gold);color:var(--ink);
    padding:12px 22px;border-radius:3px;font-size:.78rem;letter-spacing:.06em;font-weight:600;
    display:inline-flex;align-items:center;gap:8px;transition:all .3s ease;
  }
  .map-btn:hover{background:var(--gold-soft);transform:translateY(-2px);}
  .map-box{
    border-radius:10px;overflow:hidden;position:relative;min-height:320px;
    background:
      radial-gradient(circle at 30% 40%, rgba(183,89,61,.18), transparent 55%),
      linear-gradient(135deg,#e9e3d3,#d8d0bb);
  }
  .map-box svg{width:100%;height:100%;position:absolute;inset:0;}
  .map-pin-label{
    position:absolute;top:44%;left:52%;transform:translate(-50%,-100%);
    background:#1c1712;color:var(--cream);padding:8px 14px;border-radius:4px;font-size:.72rem;
    white-space:nowrap;box-shadow:0 8px 20px rgba(0,0,0,.35);
  }
  .map-pin-label:after{
    content:'';position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);
    border:6px solid transparent;border-top-color:#1c1712;
  }

  /* ===== FOOTER ===== */
  footer{
    background:var(--ink-2);border-top:1px solid var(--gold-line);
    padding:70px 0 30px;position:relative;overflow:hidden;
  }
  .footer-top{
    display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:30px;
    padding-bottom:40px;border-bottom:1px solid var(--gold-line);
  }
  .footer-brand{display:flex;align-items:center;gap:16px;}
  .footer-brand .main{font-family:var(--serif);font-size:1.5rem;letter-spacing:.16em;}
  .footer-brand .sub{font-size:.62rem;letter-spacing:.24em;color:var(--gold);text-transform:uppercase;}
  .footer-brand img{max-height: 150px;}
  .tagline{text-align:center;}
  .tagline .en{font-family:var(--serif);font-size:1.25rem;color:var(--cream-dim);}
  .tagline .jp{font-size:.85rem;color:var(--gold);letter-spacing:.08em;margin-top:6px;}
  .socials{display:flex;gap:14px;}
  .socials a{
    width:38px;height:38px;border:1px solid var(--gold-line);border-radius:50%;
    display:flex;align-items:center;justify-content:center;color:var(--gold);
    transition:all .3s ease;
  }
  .socials a:hover{background:var(--gold);color:var(--ink);}
  .footer-bottom{
    padding-top:24px;text-align:center;color:var(--cream-dim);font-size:.78rem;letter-spacing:.02em;opacity:.7;
  }
  .koi-deco{
    position:absolute;right:-40px;bottom:-30px;width:220px;height:220px;opacity:.08;
    color:var(--gold);pointer-events:none;
  }

  /* ===== SCROLL TO TOP ===== */
  .to-top{
    position:fixed;right:26px;bottom:26px;z-index:250;
    width:48px;height:48px;border-radius:50%;
    background:rgba(12,11,10,.78);border:1px solid var(--gold-line);
    color:var(--gold-soft);display:flex;align-items:center;justify-content:center;
    cursor:pointer;backdrop-filter:blur(8px);
    opacity:0;transform:translateY(14px) scale(.9);pointer-events:none;
    transition:opacity .3s ease,transform .3s ease,background .3s ease,border-color .3s ease;
  }
  .to-top.show{opacity:1;transform:translateY(0) scale(1);pointer-events:auto;}
  .to-top:hover{background:var(--gold);color:var(--ink);border-color:var(--gold);}
  .to-top svg{width:18px;height:18px;}

  /* ===== MOBILE MENU ===== */
  .burger{
    display:none;flex-direction:column;justify-content:center;gap:5px;
    width:38px;height:38px;border:1px solid var(--gold-line);border-radius:4px;
    cursor:pointer;background:transparent;padding:0;flex-shrink:0;
  }
  .burger span{
    display:block;width:16px;height:1.5px;background:var(--gold-soft);margin:0 auto;
    transition:transform .32s cubic-bezier(.2,.8,.2,1),opacity .25s ease;
  }
  .burger.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
  .burger.open span:nth-child(2){opacity:0;}
  .burger.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

  .mobile-panel{
    position:fixed;inset:0;top:0;z-index:150;
    background:rgba(9,8,7,.98);
    backdrop-filter:blur(10px);
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:34px;
    opacity:0;visibility:hidden;transform:translateY(-14px);
    transition:opacity .38s ease,transform .38s ease,visibility 0s linear .38s;
  }
  .mobile-panel.open{
    opacity:1;visibility:visible;transform:translateY(0);
    transition:opacity .38s ease,transform .38s ease;
  }
  .mobile-panel a{
    font-family:var(--serif);font-size:1.7rem;color:var(--cream);letter-spacing:.02em;
    position:relative;opacity:0;transform:translateY(14px);
    transition:opacity .5s ease,transform .5s ease,color .3s ease;
  }
  .mobile-panel.open a{opacity:1;transform:translateY(0);}
  .mobile-panel.open a:nth-child(1){transition-delay:.08s;}
  .mobile-panel.open a:nth-child(2){transition-delay:.14s;}
  .mobile-panel.open a:nth-child(3){transition-delay:.2s;}
  .mobile-panel.open a:nth-child(4){transition-delay:.26s;}
  .mobile-panel.open a:nth-child(5){transition-delay:.32s;}
  .mobile-panel a:hover{color:var(--gold-soft);}
  .mobile-panel .m-kontakt{
    border:1px solid var(--gold);color:var(--gold-soft)!important;
    padding:12px 30px;border-radius:3px;font-family:var(--sans);font-size:.85rem;letter-spacing:.08em;
  }
  .mobile-panel .m-menu{
    border:1px solid var(--gold-line);color:var(--gold-soft)!important;
    padding:10px 26px;border-radius:3px;font-family:var(--sans);font-size:.82rem;letter-spacing:.08em;
    display:flex;align-items:center;gap:8px;
  }
  .mobile-panel .close-x{
    position:absolute;top:22px;right:24px;width:38px;height:38px;
    border:1px solid var(--gold-line);border-radius:4px;
    display:flex;align-items:center;justify-content:center;color:var(--gold-soft);cursor:pointer;
  }
  
  /* Container chứa toàn bộ các nút, cố định ở góc phải dưới */
  .social-sticky-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    /* Khoảng cách giữa các nút */
    z-index: 9999;
  }

  /* Nút tròn màu vàng cam đậm chứa icon */
  .social-button-inner {
    position: relative;
    width: 40px;
    height: 40px;
    background-color: #d4a373;
    /* Màu vàng cam */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a1a1a;
    /* Màu đen của icon */
    font-size: 22px;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 2;
    transition: transform 0.3s ease, background-color 0.3s ease;
  }

  /* Tạo hiệu ứng vòng tròn lớn nhấp nháy, phóng to lan tỏa từ bên dưới nút */
  .social-button-inner::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background-color: rgba(212, 163, 115, 0.6);
    /* Quầng màu cam mờ */
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(1);
    z-index: -1;
    /* Gọi hiệu ứng hiệu ứng lặp đi lặp lại vô hạn */
    animation: pulse-effect 2s infinite ease-out;
  }

  /* Khi di chuột vào nút (Hover) */
  .social-button-inner:hover {
    transform: scale(1.1) translateY(-3px);
    /* Phóng to nhẹ và nhích lên */
    background-color: #e6b89c;
    /* Đổi màu nút sáng hơn một chút */
    color: #000;
  }

  /* Nút Instagram sẽ chạy hiệu ứng lệch đi 0.7 giây để 2 nút không nhấp nháy cùng một lúc */
  .instagram-btn::before {
    animation-delay: 0.7s;
  }

  /* Định nghĩa hiệu ứng phóng to nhấp nháy (Keyframes) */
  @keyframes pulse-effect {
    0% {
      transform: translate(-50%, -50%) scale(1);
      opacity: 1;
    }

    100% {
      transform: translate(-50%, -50%) scale(1.8);
      /* Phóng to gấp 1.8 lần vòng tròn nhỏ */
      opacity: 0;
      /* Ẩn dần đi khi lan ra xa */
    }
  }

  @media (max-width:900px){
    .navlinks{display:none;}
    .kontakt-btn{display:none;}
    .burger{display:flex;}
    .about .wrap,.location .wrap{grid-template-columns:1fr;}
    .about-media{grid-template-rows:200px 140px;}
    .infobar .wrap{grid-template-columns:1fr;gap:28px;}
    .gallery{grid-template-columns:repeat(2,1fr);height:auto;}
    .gallery .photo{height:180px;}
    .footer-top{flex-direction:column;text-align:center;}
    .to-top{right:16px;bottom:16px;width:44px;height:44px;}
      .brand img{max-height: 80px;}
  }
  #about, #ambiente, #info, #location {
    /* Mặc định chiều cao header tầm 80px, tăng lên 105px để tạo độ thoáng cho chữ */
    scroll-margin-top: 105px !important; 
}