/* Trang sự kiện: Họp báo 19.10.2026 & Liên hoan nghệ thuật "Chuyện Thanh Xuân"
   Mọi class có tiền tố tx- và được bọc trong .tx-page để không xung đột CSS của web. */
.tx-page{--red:#BE1E2D;--red-dark:#9E1624;--red-hover:#8A1220;--red-bright:#E8394A;--paper:#F7F0E6;--ink:#1E1213;--muted:#6b5a5b;--body:#4a3a3b;--line:#d9cbbb;--pink:#e9a3a9;--sand:#bfb2a6;--sand-2:#d8cfc6;
  --serif:'Playfair Display',Georgia,serif;--sans:'Be Vietnam Pro',system-ui,sans-serif;--gutter:clamp(20px,5vw,56px);--section:clamp(56px,8vw,104px);
  font-family:var(--sans);background:var(--paper);color:var(--ink);overflow-x:hidden;-webkit-font-smoothing:antialiased;line-height:1.5;}
.tx-page *,.tx-page *::before,.tx-page *::after{box-sizing:border-box;}
.tx-page h1,.tx-page h2,.tx-page h3,.tx-page p{margin:0;padding:0;font-weight:inherit;letter-spacing:normal;text-transform:none;}
.tx-page a{text-decoration:none;}
.tx-page img{max-width:none;border:0;}
.tx-page section[id]{scroll-margin-top:var(--tx-offset,80px);}
.tx-serif{font-family:var(--serif);}
.tx-it{font-style:italic;}
.tx-red{color:var(--red);}
.tx-wrap{max-width:1240px;margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter);}
.tx-pad-top{padding-top:var(--section);}

/* Dải lỗ phim */
.tx-perfs{display:flex;gap:16px;padding:12px 20px;background:var(--red-dark);overflow:hidden;}
.tx-perfs i{flex:0 0 16px;height:20px;background:var(--paper);border-radius:2px;}

/* Nhãn mục 01, 02... */
.tx-label{display:flex;align-items:center;gap:12px;}
.tx-label .tx-no{font-family:var(--serif);font-style:italic;font-size:20px;color:var(--red);}
.tx-label .tx-bar{width:32px;height:1px;background:var(--ink);}
.tx-label .tx-txt{font-size:12px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;}
.tx-h2{font-family:var(--serif);font-weight:500;font-size:clamp(32px,4.2vw,54px);line-height:1.08;text-wrap:pretty;}
.tx-h2 em{font-style:italic;color:var(--red);}

/* Nút */
.tx-btn{display:inline-flex;align-items:center;gap:10px;font-size:14px;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;transition:background .2s,color .2s,border-color .2s;}
.tx-btn-light{background:var(--paper);color:var(--red);padding:16px 26px;font-weight:800;}
.tx-btn-light:hover{background:var(--ink);color:var(--paper);}
.tx-btn-outline{border:1px solid var(--paper);color:var(--paper);padding:15px 22px;font-weight:600;}
.tx-btn-outline:hover{background:var(--paper);color:var(--red);}
.tx-btn-red{background:var(--red);color:var(--paper);padding:16px 26px;font-weight:800;}
.tx-btn-red:hover{background:var(--red-bright);color:var(--paper);}

/* HERO */
.tx-hero{position:relative;background:var(--red);color:var(--paper);overflow:hidden;}
.tx-hero-mark{position:absolute;right:-8vw;top:40px;width:min(680px,80vw);height:auto;filter:brightness(0) invert(1);opacity:.07;pointer-events:none;}
.tx-hero-grid{position:relative;padding-top:clamp(40px,7vw,88px);padding-bottom:clamp(40px,6vw,72px);display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,460px),1fr));gap:clamp(32px,5vw,72px);align-items:end;}
.tx-hero-left{display:flex;flex-direction:column;}
.tx-tags{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.tx-badge{font-size:12px;font-weight:700;letter-spacing:.2em;color:var(--red);background:var(--paper);padding:6px 10px;}
.tx-weekday{font-size:13px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;}
.tx-page .tx-h1{margin-top:18px;font-weight:800;font-size:clamp(56px,10vw,124px);line-height:.9;letter-spacing:.04em;text-transform:uppercase;color:var(--paper);white-space:nowrap;}
.tx-date{font-family:var(--serif);font-weight:800;font-size:clamp(110px,19vw,240px);line-height:.84;letter-spacing:-.035em;margin-top:22px;white-space:nowrap;}
.tx-date em{font-style:italic;font-weight:500;}
.tx-yearrow{display:flex;align-items:center;gap:16px;margin-top:16px;}
.tx-year{font-family:var(--serif);font-style:italic;font-size:clamp(28px,3.4vw,44px);line-height:1;}
.tx-rule{flex:1;height:1px;background:rgba(247,240,230,.5);}
.tx-time{font-size:clamp(14px,1.4vw,17px);font-weight:700;letter-spacing:.08em;white-space:nowrap;}
.tx-hero-right{display:flex;flex-direction:column;gap:22px;}
.tx-eyebrow{font-size:12px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;}
.tx-lead{font-family:var(--serif);font-size:clamp(24px,2.6vw,34px);line-height:1.2;font-weight:500;text-wrap:pretty;margin-top:-10px;}
.tx-lead em{font-style:italic;}
.tx-name{display:flex;align-items:baseline;gap:clamp(10px,1.6vw,18px);flex-wrap:wrap;margin-top:-8px;}
.tx-name-a{font-family:var(--serif);font-weight:800;font-size:clamp(28px,3.4vw,44px);letter-spacing:.1em;text-transform:uppercase;line-height:1;}
.tx-name-b{font-family:var(--serif);font-style:italic;font-weight:500;font-size:clamp(40px,4.8vw,62px);line-height:1;white-space:nowrap;}
.tx-meta{border-top:1px solid rgba(247,240,230,.45);padding-top:18px;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;}
.tx-meta>div{display:flex;flex-direction:column;gap:4px;}
.tx-meta-k{font-size:11px;letter-spacing:.2em;text-transform:uppercase;}
.tx-meta-v{font-family:var(--serif);font-size:21px;font-weight:700;line-height:1.2;}
.tx-count{display:flex;gap:14px;}
.tx-count div{display:flex;align-items:baseline;gap:4px;}
.tx-count strong{font-family:var(--serif);font-size:26px;font-weight:700;line-height:1;}
.tx-count span{font-size:11.5px;}
.tx-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 01 Thông tin */
.tx-two{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:clamp(28px,5vw,72px);align-items:start;}
.tx-col{display:flex;flex-direction:column;gap:16px;}
.tx-body{margin-top:6px;font-size:16px;line-height:1.7;color:var(--body);max-width:520px;text-wrap:pretty;}
.tx-facts{display:flex;flex-direction:column;border-top:1px solid var(--ink);}
.tx-fact{display:grid;grid-template-columns:minmax(110px,150px) 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line);align-items:baseline;}
.tx-fact-k{font-size:11.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);}
.tx-fact-v{display:flex;flex-direction:column;gap:3px;}
.tx-fact-v b{font-family:var(--serif);font-size:21px;font-weight:700;line-height:1.25;}
.tx-fact-v span{font-size:13.5px;color:var(--muted);line-height:1.5;}

/* 02 Nội dung công bố */
.tx-label-gap{margin-bottom:28px;}
.tx-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:24px;}
.tx-card{position:relative;padding:clamp(28px,4vw,48px);display:flex;flex-direction:column;gap:18px;min-height:360px;overflow:hidden;}
.tx-card-dark{background:var(--ink);color:var(--paper);}
.tx-card-red{background:var(--red);color:var(--paper);}
.tx-card>*{position:relative;}
.tx-card .tx-card-mark{position:absolute;right:-60px;bottom:-60px;width:300px;height:300px;filter:brightness(0) invert(1);opacity:.09;pointer-events:none;}
.tx-kick{font-size:11.5px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;}
.tx-card-dark .tx-kick{color:var(--pink);}
.tx-card-dark .tx-h3{color:var(--red-bright);}
.tx-h3{font-family:var(--serif);font-weight:500;font-size:clamp(30px,3.4vw,44px);line-height:1.1;}
.tx-h3 em{font-style:italic;}
.tx-card p{font-size:15px;line-height:1.65;max-width:440px;}
.tx-card-dark p{color:var(--sand-2);}
.tx-grow{flex:1;}
.tx-chips{display:flex;flex-wrap:wrap;gap:8px;}
.tx-chips span{font-size:13px;font-weight:600;padding:8px 14px;border:1px solid rgba(247,240,230,.4);}
.tx-card-sub{font-size:13px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;}
.tx-card .tx-name{margin-top:8px;gap:14px;}
.tx-card .tx-name-a{font-size:clamp(24px,2.6vw,34px);}
.tx-card .tx-name-b{font-size:clamp(38px,4vw,54px);}
.tx-link{align-self:flex-start;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--paper);border-bottom:1px solid var(--paper);padding-bottom:4px;}
.tx-link:hover{color:var(--ink);border-color:var(--ink);}

/* 03 Chương trình */
.tx-flex{display:flex;flex-wrap:wrap;gap:clamp(28px,5vw,72px);align-items:flex-start;}
.tx-flex>.tx-col{flex:1 1 280px;}
.tx-flex>.tx-agenda{flex:2 1 520px;min-width:0;}
.tx-col p{font-size:15px;line-height:1.65;color:var(--body);max-width:360px;}
.tx-agenda{display:flex;flex-direction:column;border-top:1px solid var(--ink);list-style:none;margin:0;padding:0;}
.tx-agenda li{display:grid;grid-template-columns:minmax(96px,130px) 1fr;gap:clamp(14px,3vw,32px);padding:18px 0;border-bottom:1px solid var(--line);align-items:baseline;}
.tx-agenda .tx-t{font-family:var(--serif);font-style:italic;font-size:19px;color:var(--red);white-space:nowrap;}
.tx-agenda b{display:block;font-size:17px;font-weight:700;line-height:1.35;}
.tx-agenda small{display:block;margin-top:4px;font-size:14px;color:var(--muted);line-height:1.55;text-wrap:pretty;}

/* 04 Liên hoan */
.tx-fest{margin-top:var(--section);background:var(--ink);color:var(--paper);}
.tx-fest .tx-wrap{padding-top:var(--section);padding-bottom:var(--section);}
.tx-fest .tx-label .tx-no{color:var(--pink);}
.tx-fest .tx-label .tx-bar{background:var(--paper);}
.tx-fest-title{margin-top:40px;display:flex;flex-direction:column;}
.tx-fest-a{font-family:var(--serif);color:var(--paper);font-weight:800;font-size:clamp(34px,6vw,76px);letter-spacing:.2em;text-transform:uppercase;line-height:1;}
.tx-fest-b{font-family:var(--serif);font-style:italic;font-weight:500;font-size:clamp(40px,17vw,200px);line-height:.92;letter-spacing:-.02em;color:var(--red-bright);white-space:nowrap;}
.tx-progs{margin-top:clamp(36px,5vw,64px);display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));border-top:1px solid rgba(247,240,230,.35);}
.tx-prog{display:flex;flex-direction:column;gap:12px;padding:28px 24px 32px 0;border-bottom:1px solid rgba(247,240,230,.2);}
.tx-prog-no{font-family:var(--serif);font-style:italic;font-size:40px;line-height:1;color:var(--red-bright);}
.tx-prog-kind{font-size:11.5px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--sand);}
.tx-prog-name{font-family:var(--serif);font-size:30px;font-weight:700;line-height:1.1;}
.tx-prog-desc{font-size:14px;line-height:1.6;color:var(--sand-2);text-wrap:pretty;}
.tx-prog-unit{font-size:12.5px;color:var(--sand);}
.tx-fest-cta{margin-top:36px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.tx-fest-cta span{font-size:14px;color:var(--sand);}

/* 05 Thành phần */
.tx-big{margin-top:24px;display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;}
.tx-big b{font-family:var(--serif);font-weight:800;font-size:clamp(64px,9vw,120px);line-height:.9;color:var(--red);letter-spacing:-.02em;}
.tx-big span{font-family:var(--serif);font-style:italic;font-size:clamp(22px,2.4vw,30px);}
.tx-guests{margin-top:32px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));border-top:1px solid var(--ink);}
.tx-guest{display:flex;flex-direction:column;gap:6px;padding:20px 20px 22px 0;border-bottom:1px solid var(--line);}
.tx-guest b{font-size:16px;font-weight:700;line-height:1.35;}
.tx-guest span{font-size:13.5px;color:var(--muted);line-height:1.55;text-wrap:pretty;}

/* 06 Đăng ký */
.tx-reg{padding-bottom:var(--section);text-align:center;}
.tx-reg-welcome{color:var(--red);}

/* Man hinh hep (dien thoai) — so "19.10" o Hero dung line-height rat chat (.84) de xep khit voi
   co chu lon tren desktop, nhung tren mobile co chu bi ep toi thieu 110px (qua clamp 19vw) lai qua
   to so voi man hinh, khien phan duoi cua chu so bi .tx-hero{overflow:hidden} cat mat. Thu nho lai
   va noi line-height ve 1 de khong con bi cat, dich them khoang cach duoi cho thoang. */
@media (max-width: 600px) {
  .tx-date { font-size: clamp(64px, 17vw, 110px); line-height: 1; margin-top: 10px; margin-bottom: 4px; }
  .tx-page .tx-h1 { font-size: clamp(40px, 11vw, 56px); }
}

@media (prefers-reduced-motion:reduce){.tx-page *{transition:none !important;}}