/* ==========================================================
   MR TATTOO HANOI STUDIO — phong cách Hà Nội
   Bảng màu lấy từ phố cổ:
   - Vàng tường (ochre) của những ngôi nhà ống, Văn Miếu, Hoàng thành
   - Đỏ son sơn mài của cửa gỗ đình, chùa, hoành phi câu đối
   - Nâu đen gỗ lim, kem giấy dó, xanh ngọc rêu của ngói và Hồ Gươm
   Họa tiết: hoa sen, mặt trống đồng Đông Sơn, gạch bông, viền thoi,
   đường chân trời Cột Cờ – Khuê Văn Các – Tháp Rùa – Chùa Một Cột
   ========================================================== */
:root{
  --y:#E2A92D;      /* vàng tường phố cổ */
  --y2:#F2C85F;     /* vàng sáng */
  --paper:#EDC45E;  /* nền vàng các khối sáng */
  --k:#1f0c0a;      /* nâu đen gỗ lim */
  --k2:#331311;     /* nâu đỏ đậm */
  --w:#F8EDD2;      /* kem giấy dó */
  --r:#A3191E;      /* đỏ son */
  --r2:#7E1015;     /* đỏ sẫm */
  --jade:#3F7D6B;   /* xanh ngọc rêu */
  --font-head:"Playfair Display","Times New Roman",Georgia,serif;
  --font-body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);background:var(--k);color:var(--w);line-height:1.7}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--font-head)}
::selection{background:var(--r);color:var(--w)}
.wrap{max-width:1100px;margin:auto;padding:0 5%}
.narrow{max-width:760px}
.center{text-align:center}
.y{color:var(--y)}

/* ---------- Nút: viền kép kiểu bảng hiệu sơn mài ---------- */
.btn{display:inline-block;background:var(--y);color:var(--k);padding:13px 26px;border-radius:2px;font-weight:800;text-decoration:none;text-transform:uppercase;letter-spacing:.06em;font-size:.9rem;border:2px solid var(--y);margin:6px 8px 6px 0;
  box-shadow:inset 0 0 0 2px var(--k2),inset 0 0 0 3px rgba(248,237,210,.55);transition:transform .15s,background .15s,color .15s}
.btn:hover{transform:translateY(-2px);background:var(--y2)}
.btn-small{padding:8px 16px;font-size:.8rem;margin:0}
.btn-outline{background:transparent;color:var(--y);box-shadow:inset 0 0 0 2px var(--k),inset 0 0 0 3px rgba(226,169,45,.5)}
.btn-outline:hover{background:var(--y);color:var(--k)}
.btn-dark{background:var(--r2);color:var(--y2);border-color:var(--r2);box-shadow:inset 0 0 0 2px var(--paper),inset 0 0 0 3px var(--r2)}
.btn-dark:hover{background:var(--k);border-color:var(--k)}
.btn-outline-dark{background:transparent;color:var(--r2);border-color:var(--r2)}
.btn-outline-dark:hover{background:var(--r2);color:var(--y2)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:12px 5% 18px;background:rgba(31,12,10,.94);backdrop-filter:blur(8px)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:14px;background:url("patterns/band-gold.svg") repeat-x center bottom}
.logo{font-family:var(--font-head);font-size:1.4rem;font-weight:900;letter-spacing:.06em;color:var(--y);text-decoration:none}
.logo span{color:var(--w)}
.site-header nav{display:flex;align-items:center;gap:22px}
.site-header nav a:not(.btn){text-decoration:none;font-weight:600;font-size:.95rem}
.site-header nav a:not(.btn):hover{color:var(--y)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;min-height:88vh;display:flex;align-items:center;padding:80px 0 calc(12vw + 40px);color:var(--w);
  background:linear-gradient(90deg,rgba(31,12,10,.93) 25%,rgba(60,14,12,.62)),url("link-anh-khue-van-cac.jpg") center/cover no-repeat,var(--k2) url("patterns/tile-on-dark.svg")}
.hero-container{position:relative;z-index:2;width:100%;max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.hero-inner{position:relative;z-index:2;width:100%}
/* Mặt trống đồng Đông Sơn xoay chậm phía sau */
.hero::before{content:"";position:absolute;z-index:1;right:-12%;top:46%;width:min(72vw,760px);aspect-ratio:1;transform:translateY(-50%);
  background:url("patterns/sun-yellow.svg") center/contain no-repeat;opacity:.2;animation:spin 140s linear infinite}
/* Đường chân trời Hà Nội: Cột Cờ, Khuê Văn Các, Tháp Rùa, Chùa Một Cột, nhà ống phố cổ */
.hero::after{content:"";position:absolute;z-index:1;left:0;right:0;bottom:-1px;height:12vw;
  background:url("patterns/skyline-yellow.svg") center bottom/100% 100% no-repeat}
@keyframes spin{to{transform:translateY(-50%) rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.hero::before{animation:none}.marquee-track{animation:none}}
.eyebrow{color:var(--y);text-transform:uppercase;letter-spacing:.25em;font-weight:700;font-size:.85rem;margin:0 0 14px}
.hero .eyebrow{font-weight:600;margin-bottom:10px}
.hero h1{font-size:clamp(2.2rem,4.5vw,3.5rem);line-height:1.2;margin:0 0 15px;font-weight:900;max-width:14ch}
.hero h1 em{font-style:normal;color:var(--y)}
.slogan{color:var(--y);font-style:italic;font-size:1.1rem;margin:0 0 15px;letter-spacing:.05em;font-family:var(--font-head)}
.lead{max-width:560px;font-size:1.05rem;color:#ecdcb8;margin:0 0 30px}
.lead-en{max-width:560px;font-size:1rem;color:var(--y);font-weight:600;margin:0 0 26px}
.hero-actions{display:flex;gap:15px;flex-wrap:wrap}
.hero-actions .btn{margin:0}

/* Khung ảnh hình xăm: viền hoa văn Á Đông, nghiêng 3 độ */
.hero-image-right{position:relative;aspect-ratio:3/4;transform:rotate(3deg);transition:transform .3s ease;
  border:16px solid transparent;border-image:url("patterns/frame-gold.svg") 16 round;
  background:url("link-anh-hinh-xam-tren-tay.jpg") center/cover no-repeat,var(--k2);
  background-origin:padding-box;background-clip:padding-box;
  filter:drop-shadow(0 12px 26px rgba(0,0,0,.55))}
.hero-image-right:hover{transform:rotate(0deg)}

/* ---------- Dải tin cậy ---------- */
.trust{background:var(--y) url("patterns/tile-on-yellow.svg");color:var(--k);border-top:4px double var(--r2);border-bottom:4px double var(--r2)}
.trust ul{list-style:none;margin:0 auto;padding:22px 5%;max-width:1100px;display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;text-align:center}
.trust li+li{border-left:1px dotted rgba(126,16,21,.5)}
.trust strong{display:block;font-family:var(--font-head);font-size:1.9rem;font-weight:900;line-height:1.1;color:var(--r2)}
.trust span{font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em}

/* ---------- Section chung ---------- */
.section{position:relative;padding:92px 0 84px}
/* Dải viền thoi ở đầu mỗi khối */
.section::before{content:"";position:absolute;left:0;right:0;top:0;height:14px;background:url("patterns/band-gold.svg") repeat-x center}
.section h2{font-size:clamp(1.7rem,4vw,2.6rem);margin:0 0 10px;font-weight:900;text-transform:uppercase;letter-spacing:.02em;line-height:1.2}
.sub{opacity:.85;margin:0 0 34px}
.dark{background:var(--k) url("patterns/tile-on-dark.svg")}                      /* gạch hoa sen vàng mờ trên nền nâu đen */
.yellow{background:var(--paper) url("patterns/tile-on-yellow-red.svg");color:var(--k)} /* gạch hoa sen đỏ mờ trên nền vàng tường */
.yellow::before{background-image:url("patterns/band-red.svg")}
.yellow h2{color:var(--r2)}
.yellow .y{color:var(--r)}
.yellow .sub{color:#4a2410;opacity:1}

/* Họa tiết sen dưới mỗi tiêu đề */
.section h2::after{content:"";display:block;width:230px;height:54px;margin-top:8px;
  background:url("patterns/lotus-yellow.svg") left center/contain no-repeat}
.yellow h2::after{background-image:url("patterns/lotus-red.svg")}
.center h2::after{margin-left:auto;margin-right:auto;background-position:center}

/* ---------- Gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;margin-bottom:34px}
.gallery figure{margin:0;position:relative;overflow:hidden;background:var(--k2);aspect-ratio:1/1;border:2px solid rgba(226,169,45,.35);transition:border-color .2s}
.gallery figure:hover{border-color:var(--y)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gallery figure:hover img{transform:scale(1.06)}
.gallery figcaption{position:absolute;inset:auto 0 0 0;padding:34px 14px 12px;background:linear-gradient(transparent,rgba(31,12,10,.92));display:flex;flex-direction:column;opacity:0;transition:opacity .25s}
.gallery figure:hover figcaption{opacity:1}
.gallery figcaption b{color:var(--y)}
.gallery figcaption span{font-size:.85rem;opacity:.85}

/* ---------- Cards dịch vụ / đánh giá / blog: khung hoa văn ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:22px;margin-top:30px}
.cards.three{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin-top:2rem}
.cards article,.cards blockquote{position:relative;background:var(--k) url("patterns/tile-on-dark.svg");color:var(--w);padding:20px 16px;margin:0;border-radius:0;
  border:16px solid transparent;border-image:url("patterns/frame-gold.svg") 16 round;background-origin:padding-box;background-clip:padding-box;
  box-shadow:0 8px 22px rgba(60,14,12,.28)}
.cards .num{display:inline-block;font-family:var(--font-head);color:var(--y);font-size:2.4rem;font-weight:900;line-height:1}
.cards h3{margin:10px 0 8px;color:var(--y);text-transform:uppercase;font-size:1.1rem;line-height:1.35}
.cards h3 a{color:inherit;text-decoration:none}
.cards h3 a:hover{text-decoration:underline}
.cards p{margin:0;color:#ecdcb8}
.cards blockquote p{font-style:italic;margin-bottom:12px;color:var(--w)}
.cards cite{color:var(--y);font-style:normal;font-weight:700;font-size:.9rem}
.tag{display:inline-block;font-size:.8rem;font-weight:700;color:var(--y);text-transform:uppercase;letter-spacing:.08em}
.more{display:inline-block;margin-top:1rem;font-weight:700;color:var(--y);text-decoration:none}
.more:hover{text-decoration:underline}
.cards.three article h3{font-size:1.2rem;margin:.5rem 0}
.cards.three article p{font-size:.95rem}

/* ---------- Nghệ sĩ ---------- */
.artist-slider-wrap{position:relative}
.artist-slide{display:none}
.artist-slide.active{display:grid;grid-template-columns:.8fr 1.4fr;gap:50px;align-items:center;animation:fadeIn .5s ease-in-out}
.artist-slide img{width:100%;aspect-ratio:4/5;object-fit:cover;background:var(--k2);
  border:16px solid transparent;border-image:url("patterns/frame-gold.svg") 16 round;border-radius:0}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.artist-controls{display:flex;gap:10px;margin-top:20px}
.artist-btn{background:var(--y);color:var(--k);border:2px solid var(--y);width:42px;height:42px;font-weight:900;font-size:1.1rem;border-radius:50%;cursor:pointer;
  box-shadow:inset 0 0 0 2px var(--k2);transition:background .2s}
.artist-btn:hover{background:var(--y2)}
.split{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:center}
.split img{width:100%;aspect-ratio:4/5;object-fit:cover;background:var(--k2);border:16px solid transparent;border-image:url("patterns/frame-gold.svg") 16 round}
/* dấu tick hình cánh sen */
.ticks{list-style:none;padding:0;margin:20px 0 0}
.ticks li{padding-left:30px;position:relative;margin-bottom:8px}
.ticks li::before{content:"";position:absolute;left:0;top:.35em;width:18px;height:18px;background:var(--y);
  clip-path:path("M9 18C2 13 1 6 9 0C17 6 16 13 9 18Z")}
.yellow .ticks li::before{background:var(--r)}

/* ---------- Quy trình ---------- ;background:url("patterns/band-red.svg") repeat-x left top*/
.steps{list-style:none;counter-reset:s;padding:0;margin:34px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:22px}
.steps li{counter-increment:s;padding-top:28x}
.steps li::before{content:"0" counter(s);display:block;font-family:var(--font-head);font-size:2.8rem;font-weight:900;line-height:1;color:var(--r)}
.steps b{display:block;font-size:1.15rem;text-transform:uppercase;margin:6px 0 4px;color:var(--r2)}

/* ---------- Bảng giá ---------- */
table{width:100%;border-collapse:collapse;margin-top:20px;background:rgba(31,12,10,.55);border:2px solid var(--y);outline:1px solid rgba(226,169,45,.5);outline-offset:4px}
th,td{text-align:left;padding:14px 14px;border-bottom:1px dotted rgba(226,169,45,.5)}
thead tr{background:var(--r2)}
th{color:var(--y2);text-transform:uppercase;font-size:.85rem;letter-spacing:.08em}
td:last-child,th:last-child{text-align:right;font-weight:700;color:var(--y)}
tbody tr:last-child td{border-bottom:0}
.note{opacity:.8;font-size:.9rem;margin-top:22px}

/* ---------- Khối khuyến mãi ---------- */
.promo-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center}
.promo-img-left{transform:rotate(-3deg);transition:transform .3s ease;
  border:16px solid transparent;border-image:url("patterns/frame-dark.svg") 16 round;background:var(--paper);filter:drop-shadow(0 10px 22px rgba(60,14,12,.35))}
.promo-img-left:hover{transform:rotate(0deg)}
.promo-img-left img{width:100%;height:auto;display:block}
.promo h2{margin:.8rem 0 1rem}
.promo h2 em{font-style:normal;color:var(--r)}
.promo p{font-size:1.15rem;font-weight:500}
.yellow .eyebrow{color:var(--r2);font-weight:700}
.tiers{margin-top:1.5rem;display:grid;gap:1rem}
.tier{position:relative;padding:1rem 1rem 1rem 1.4rem;background:rgba(126,16,21,.09);border:1px solid rgba(126,16,21,.55);border-left:6px solid var(--r2)}
.tier b{color:var(--r2)}
.promo p.fine{margin-top:1rem;font-size:.9rem;font-weight:400}

/* ---------- FAQ ---------- */
details{background:var(--k2) url("patterns/tile-on-dark.svg");border:12px solid transparent;border-image:url("patterns/frame-gold.svg") 16 round;background-origin:padding-box;background-clip:padding-box;padding:8px 14px;margin-bottom:14px}
summary{cursor:pointer;font-weight:700;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--y);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"–"}
details p{margin:12px 0 4px;color:#ecdcb8}

/* ---------- CTA ---------- */
.cta{position:relative;overflow:hidden;padding:104px 0 96px}
.cta::after{content:"";position:absolute;left:50%;top:50%;width:min(110vw,820px);aspect-ratio:1;transform:translate(-50%,-50%);
  background:url("patterns/sun-red.svg") center/contain no-repeat;opacity:.16;pointer-events:none}
.cta .wrap{position:relative;z-index:1}
.cta .sub{color:#4a2410;opacity:1}

/* ---------- Footer ---------- */
.site-footer{position:relative;background:#120605 url("patterns/tile-on-dark.svg");padding:70px 0 90px}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:12px;background:url("patterns/zigzag-yellow.svg") repeat-x}
.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
address{font-style:normal;line-height:1.9}
address strong{font-family:var(--font-head);color:var(--y);font-size:1.2rem}
.site-footer a{color:var(--y)}
.copy{text-align:center;opacity:.65;font-size:.85rem;margin:36px 0 0}

/* ---------- Dải ảnh chạy ngang ---------- */
.marquee-container{overflow:hidden;width:100%;position:relative;background:var(--k2);margin-top:20px;
  border:14px solid transparent;border-image:url("patterns/frame-gold.svg") 16 round;background-origin:padding-box;background-clip:padding-box;padding:8px 0}
.marquee-track{display:flex;gap:16px;width:max-content;animation:scrollMarquee 40s linear infinite}
.marquee-container:hover .marquee-track{animation-play-state:paused}
.marquee-item{height:280px;flex-shrink:0;border-radius:0;overflow:hidden;border:2px solid rgba(226,169,45,.45);outline:1px solid rgba(226,169,45,.3);outline-offset:-6px;transition:border-color .2s,transform .2s}
.marquee-item:hover{border-color:var(--y);transform:scale(1.02)}
.marquee-item img{height:100%;width:auto;object-fit:contain;display:block}
@keyframes scrollMarquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* #tac-pham gọn hơn các khối khác */
#tac-pham{padding-bottom:20px}
#tac-pham .center{margin-top:30px}

/* ---------- Nút nổi mobile ---------- */
.float-cta{display:none}

@media(max-width:900px){
  .hero-container{grid-template-columns:1fr}
  .hero-image-right{max-width:320px;margin:20px auto 0;width:100%;transform:rotate(0deg)}
}
@media(max-width:800px){
  .site-header nav a:not(.btn){display:none}
  .split,.footer-grid,.promo-grid{grid-template-columns:1fr}
  .artist-slide.active{grid-template-columns:1fr}
  .promo-img-left{max-width:320px;margin:0 auto 20px}
  .hero{min-height:80vh;padding-bottom:calc(20vw + 30px);background:linear-gradient(rgba(31,12,10,.82),rgba(31,12,10,.74)),url("link-anh-khue-van-cac.jpg") center/cover no-repeat,var(--k2) url("patterns/tile-on-dark.svg")}
  .hero::before{right:-40%;width:110vw;opacity:.14}
  .hero::after{height:20vw}
  .section h2::after{width:180px;height:42px}
  .section{padding:68px 0 60px}
  #tac-pham{padding-bottom:20px}
  .marquee-item{height:220px}
  .gallery figcaption{opacity:1}
  .trust li+li{border-left:0}
  .float-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60}
  .float-cta a{flex:1;text-align:center;padding:14px;font-weight:800;text-decoration:none;text-transform:uppercase;background:var(--y);color:var(--k);border-top:2px solid var(--y)}
  .float-cta a+a{background:var(--r2);color:var(--y2);border-top-color:var(--r2)}
}
/* ---------- CSS cho Menu Mobile (Cập nhật) ---------- */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 22px;
  padding: 0;
  z-index: 101;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--y);
  border-radius: 2px;
  pointer-events: none; /* Tránh việc click nhầm vào thẻ span con gây lỗi nháy */
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Biểu tượng nút X bên trong bảng menu mobile */
.mobile-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  color: var(--y);
  font-size: 2.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  z-index: 102;
}

.mobile-close-btn:hover {
  color: var(--w);
}

/* Bảng menu xổ xuống */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: var(--k2);
  border-left: 2px solid var(--y);
  box-shadow: -5px 0 25px rgba(0,0,0,0.7);
  z-index: 100;
  display: flex;
  flex-direction: column;
  padding: 80px 30px 30px;
  transition: right 0.35s cubic-bezier(0.77, 0, 0.175, 1);
}

.mobile-nav.open {
  right: 0;
}

.mobile-nav a {
  color: var(--w);
  text-decoration: none;
  font-size: 1.15rem;
  font-weight: 600;
  padding: 12px 0;
  border-bottom: 1px dotted rgba(226,169,45,0.3);
}

.mobile-nav a:hover {
  color: var(--y);
}

/* Lớp phủ mờ nền */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

@media(max-width: 800px) {
  .desktop-nav {
    display: none !important;
  }
  .mobile-menu-btn {
    display: flex;
  }
}