/* ===== Tranh Dây Việt Nam – giao diện trang chủ ===== */
:root{
	--green:#009b56;
	--green-dark:#007a44;
	--teal:#00918c;
	--peach:#ffebda;
	--dark:#252525;
	--ink:#1b1b1b;
	--muted:#555;
	--line:#e6e6e6;
	--wrap:1200px;
	--sans:"Roboto",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
	--display:"Montserrat",var(--sans);
	--serif:"Noto Serif","Times New Roman",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{margin:0;font-family:var(--sans);font-size:16px;line-height:1.6;color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .6em}
p{margin:0 0 .8em}
button{font:inherit;cursor:pointer}
.td-wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.td-narrow{max-width:860px}
.td-center{text-align:center;margin-top:34px}
.td-ic{width:1em;height:1em;flex:none}
.td-upper{text-transform:uppercase}

/* Nút */
.td-btn{display:inline-block;background:#111;color:#fff;text-decoration:none;text-transform:uppercase;font-weight:700;font-size:14px;letter-spacing:.3px;padding:12px 26px;border:0;border-radius:2px;transition:background .2s,transform .2s}
.td-btn:hover{background:var(--green);transform:translateY(-1px)}

/* ===== Thanh trên cùng ===== */
.td-topbar{background:#000;color:#ebecef;font-size:14px}
.td-topbar-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:46px}
.td-topbar-brand{font-size:18px;text-transform:uppercase;letter-spacing:.2px}
.td-topbar-info{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.td-topbar-info a,.td-topbar-info span{display:flex;align-items:center;gap:8px;text-decoration:none;color:inherit}
.td-topbar-info .td-ic{width:20px;height:20px;background:#fff;color:#000;border-radius:4px;padding:3px}

/* ===== Đầu trang: logo + liên hệ ===== */
.td-header{background:#fff}
.td-header-in{display:flex;align-items:center;justify-content:space-between;min-height:100px;gap:20px}
.td-logo img{height:64px;width:auto}
.td-logo-text{font:800 26px var(--display);color:var(--green);text-decoration:none}
.td-logo{text-decoration:none}
.td-header-contacts{display:flex;gap:34px;list-style:none;margin:0;padding:0}
.td-header-contacts a,.td-hc-item{display:flex;align-items:center;gap:10px;text-decoration:none;color:#000}
.td-header-contacts small{display:block;font-size:12px;color:var(--muted);line-height:1.2}
.td-header-contacts b{font-size:15px}
.td-hc-ic{width:42px;height:42px;border-radius:50%;border:2px solid var(--green);color:var(--green);display:grid;place-items:center;flex:none}
.td-hc-ic .td-ic{width:20px;height:20px}
.td-hc-zalo{font:700 11px var(--sans);color:#0068ff;border-color:#0068ff}
.td-burger{display:none;background:none;border:0;padding:6px;color:var(--green)}
.td-burger .td-ic{width:30px;height:30px}

/* ===== Menu xanh ===== */
.td-nav{background:var(--green);position:sticky;top:0;z-index:50;box-shadow:0 2px 8px rgba(0,0,0,.12)}
.td-menu{display:flex;flex-wrap:wrap;justify-content:center;list-style:none;margin:0;padding:0}
.td-menu>li{position:relative;flex:1 1 auto;text-align:center}
.td-menu a{display:block;padding:15px 12px;color:#fff;text-decoration:none;text-transform:uppercase;font-weight:700;font-size:17px;transition:background .2s}
.td-menu a:hover{background:rgba(0,0,0,.15)}
.td-menu .sub-menu{display:none;position:absolute;left:0;top:100%;background:var(--green-dark);list-style:none;margin:0;padding:0;min-width:220px}
.td-menu li:hover>.sub-menu{display:block}
.td-menu .sub-menu a{font-size:15px;text-transform:none;text-align:left}
@media (min-width:783px) and (max-width:1240px){.td-menu a{font-size:15px;padding:14px 8px}}
@media (min-width:783px) and (max-width:1100px){.td-menu a{font-size:13px;padding:13px 5px}}
.admin-bar .td-nav{top:32px}

/* ===== Banner ===== */
.td-hero{position:relative;min-height:min(78vh,760px);background:#333 center/cover no-repeat;display:flex;align-items:flex-start;padding-top:60px}
.td-hero-band{background:rgba(0,155,86,.72);padding:28px 40px 22px 5vw;width:min(92%,1100px)}
.td-hero h1{font:700 clamp(26px,3.6vw,46px)/1.35 var(--display);color:#fff;text-transform:uppercase;margin:0;letter-spacing:.5px;text-shadow:0 2px 6px rgba(0,0,0,.25)}

/* ===== Giới thiệu ===== */
.td-intro{padding:70px 0}
.td-intro-in{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.td-intro-media{position:relative;padding:0 24px 24px 0}
.td-intro-media::after{content:"";position:absolute;right:0;bottom:0;width:60%;height:55%;background:var(--teal);z-index:0}
.td-intro-media img{position:relative;z-index:1;width:100%;aspect-ratio:4/5;object-fit:cover}
.td-intro-text h2{font-size:clamp(26px,2.8vw,34px);text-transform:uppercase}
.td-intro-text p{color:#333;text-align:justify}
.td-intro-text .td-btn{margin-top:10px}

/* ===== Tầm nhìn & Sứ mệnh ===== */
.td-mv{display:grid;grid-template-columns:1fr 1fr}
.td-mv-col{position:relative;background:#222 center/cover no-repeat;min-height:560px;display:flex;align-items:center}
.td-mv-col::before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.62)}
.td-mv-in{position:relative;color:#fff;padding:60px 8%;max-width:640px;margin:0 auto}
.td-mv-in h2{font-size:28px}
.td-mv-in p{font-size:15px;color:#eee}

/* ===== Nền hồng đào ===== */
.td-peach{background:var(--peach)}
.td-serif-title{font:700 clamp(30px,4vw,50px)/1.2 var(--serif);color:var(--green);display:flex;align-items:center;justify-content:center;gap:14px;text-align:center}
.td-chat{width:52px;height:52px;border-radius:50%;background:#fff;color:var(--green);display:grid;place-items:center;flex:none;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.td-chat .td-ic{width:30px;height:30px}

/* Câu chuyện */
.td-story{padding:64px 0 40px}
.td-story-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin-top:30px}
.td-story-item{margin:0;display:grid;grid-template-columns:1fr 1.1fr;gap:24px;align-items:start}
.td-story-item img{width:100%;aspect-ratio:4/5;object-fit:cover;box-shadow:0 8px 20px rgba(0,0,0,.12)}
.td-story-item blockquote{margin:0 0 12px;font-style:italic;color:#333;font-size:15px}
.td-story-item cite{font:700 22px var(--serif);font-style:normal;color:var(--green)}

/* Báo chí */
.td-press{padding:40px 0 70px}
.td-press-in{display:grid;grid-template-columns:1.05fr 1fr;gap:50px;align-items:center}
.td-press-media{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.td-press-img{display:block;overflow:hidden;box-shadow:0 8px 20px rgba(0,0,0,.12);background:#fff}
.td-press-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.td-press-img:hover img{transform:scale(1.04)}
.td-press-img{aspect-ratio:4/3}
.td-press-img-2,.td-press-img-3{aspect-ratio:3/4;order:2}
.td-press-img-4{order:1}
.td-press-media a:nth-child(n+5){display:none}
.td-press-text .td-serif-title{justify-content:flex-start;text-align:left}
.td-press-text>p{color:#333;text-align:justify}
.td-press-hl p{color:var(--green);font-weight:700;text-align:center;font-size:17px}

/* ===== Khối có thanh tiêu đề ===== */
.td-sec{padding:64px 0}
.td-bar-title{display:flex;align-items:center;gap:14px;border-bottom:2px solid var(--green);padding-bottom:10px;margin-bottom:28px}
.td-bar-title h2{font-size:22px;color:var(--teal);margin:0}
.td-toggle{width:52px;height:30px;border-radius:15px;background:var(--green);position:relative;flex:none}
.td-toggle::after{content:"";position:absolute;right:3px;top:3px;width:24px;height:24px;border-radius:50%;background:#fff}
.td-videos .td-bar-title h2{color:#1269ff}

.td-grid{display:grid;gap:18px}
.td-grid-4{grid-template-columns:repeat(4,1fr)}
.td-grid-3{grid-template-columns:repeat(3,1fr)}
.td-card-img{display:block;overflow:hidden;aspect-ratio:3/4;background:#f0f0f0}
.td-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.td-card-img:hover img{transform:scale(1.05)}

/* Video */
.td-video-grid{max-width:960px;margin:0 auto}
.td-video{position:relative;border:0;padding:0;background:#000;aspect-ratio:9/16;overflow:hidden;display:block;width:100%}
.td-video img{width:100%;height:100%;object-fit:cover;opacity:.95;transition:transform .4s,opacity .2s}
.td-video:hover img{transform:scale(1.04);opacity:.8}
.td-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:62px;height:62px;border-radius:50%;background:rgba(0,0,0,.55);border:2px solid #fff;color:#fff;display:grid;place-items:center}
.td-play .td-ic{width:30px;height:30px;margin-left:4px}

/* Giới tinh hoa */
.td-h2{text-align:center;font-size:clamp(24px,3vw,38px)}
.td-sub{text-align:center;color:var(--muted);margin-top:-6px;margin-bottom:30px}
.td-trust-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;grid-template-rows:repeat(2,240px);gap:14px;max-width:1000px;margin:0 auto}
.td-trust-grid a{display:block;overflow:hidden;background:#f0f0f0}
.td-trust-grid img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.td-trust-grid a:hover img{transform:scale(1.04)}
.td-trust-1{grid-row:1/3}
.td-trust-grid a:nth-child(n+6){display:none}

/* Tại sao chọn */
.td-why{background:#fafafa}
.td-why .td-h2{max-width:720px;margin:0 auto 50px;font-size:clamp(22px,2.6vw,30px)}
.td-why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:56px 26px;max-width:1080px;margin:0 auto}
.td-why-card{position:relative;background:#e9e9e9;padding:46px 22px 22px;text-align:center;border-radius:4px;transition:transform .2s,box-shadow .2s}
.td-why-card:nth-child(even){background:#7d7d7d;color:#fff}
.td-why-card:nth-child(even) p{color:#f2f2f2}
.td-why-card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(0,0,0,.12)}
.td-why-ic{position:absolute;left:50%;top:-30px;transform:translateX(-50%);width:60px;height:60px;object-fit:contain;background:#fff;border-radius:12px;padding:6px;box-shadow:0 3px 10px rgba(0,0,0,.12)}
.td-why-card h3{font-size:17px;text-transform:uppercase;margin-bottom:10px}
.td-why-card p{font-size:14px;color:#444;margin-bottom:6px;text-align:left}

/* Form tư vấn */
.td-cta{padding:56px 0;background:#f4f4f4 repeating-linear-gradient(135deg,rgba(0,0,0,.025) 0 12px,transparent 12px 24px)}
.td-cta-head{display:flex;align-items:center;justify-content:center;gap:18px;margin-bottom:26px}
.td-cta-head h2{text-align:center;text-transform:uppercase;font-size:clamp(20px,2.4vw,29px);margin:0}
.td-cta-head h2 span{color:var(--green)}
.td-cta-badge{width:72px;height:auto}
.td-form{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;max-width:820px;margin:0 auto}
.td-form input,.td-form select{width:100%;padding:12px 14px;border:1px solid #1269ff;border-radius:3px;font:inherit;font-size:15px;background:#fff;color:#222}
.td-form input:focus,.td-form select:focus{outline:2px solid var(--green);border-color:var(--green)}
.td-form .td-btn{grid-column:3;grid-row:1/3;align-self:stretch;padding:0 30px}
.td-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* Cảm nghĩ */
.td-testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:40px}
.td-testi-card{background:#fff;border-radius:8px;box-shadow:0 6px 24px rgba(0,0,0,.09);padding:40px 22px 22px;position:relative;display:flex;flex-direction:column}
.td-quote{position:absolute;top:-24px;left:50%;transform:translateX(-50%);width:48px;height:48px;color:#555}
.td-quote .td-ic{width:48px;height:48px}
.td-testi-card p{text-align:justify;font-size:14.5px;color:#333}
.td-testi-name{display:block;text-align:center;margin:6px 0 14px;font-size:16px}
.td-testi-img{display:block;margin-top:auto;overflow:hidden;border-radius:6px;height:280px}
.td-testi-img img{width:100%;height:100%;object-fit:cover;object-position:top}
.td-testi-labels{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:26px}
.td-testi-labels div{display:flex;align-items:center;justify-content:center;gap:12px}
.td-testi-labels img{width:48px;height:48px;border-radius:50%;object-fit:cover}

/* Hình ảnh thực tế */
.td-real{padding-top:30px}
.td-masonry{columns:4 240px;column-gap:12px;margin-top:26px}
.td-masonry a{display:block;margin-bottom:12px;break-inside:avoid;overflow:hidden}
.td-masonry img{width:100%;transition:transform .4s}
.td-masonry a:hover img{transform:scale(1.04)}

/* ===== Chân trang ===== */
.td-footer{background:var(--dark);color:#ddd;padding:50px 0 20px}
.td-footer-brand{font:700 28px "Josefin Sans",var(--sans);color:#fff;text-align:center;text-transform:uppercase;margin-bottom:34px}
.td-footer-cols{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;max-width:980px;margin:0 auto}
.td-footer h4{color:#fff;text-transform:uppercase;font-size:18px;margin-bottom:14px}
.td-footer p{display:flex;gap:8px;align-items:flex-start;font-size:15px}
.td-footer p .td-ic{margin-top:4px;color:var(--green)}
.td-footer a{color:#ddd;text-decoration:none}
.td-footer a:hover{color:#fff;text-decoration:underline}
.td-foot-links{list-style:none;margin:0;padding:0}
.td-foot-links li{margin-bottom:8px}
.td-copy{justify-content:center;border-top:1px solid #3a3a3a;margin-top:30px;padding-top:18px;font-size:13px!important;color:#999}

/* ===== Nút nổi Zalo + gọi ===== */
.td-float{position:fixed;right:16px;bottom:22px;z-index:80;display:flex;flex-direction:column;gap:12px}
.td-float a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;color:#fff;text-decoration:none;box-shadow:0 4px 14px rgba(0,0,0,.25)}
.td-float-zalo{background:#0068ff;font:700 13px var(--sans);border:3px solid #fff}
.td-float-call{background:#16a34a;animation:td-ring 1.6s infinite}
.td-float-call .td-ic{width:26px;height:26px}
@keyframes td-ring{0%{box-shadow:0 0 0 0 rgba(22,163,74,.6)}70%{box-shadow:0 0 0 16px rgba(22,163,74,0)}100%{box-shadow:0 0 0 0 rgba(22,163,74,0)}}

/* ===== Popup ===== */
.td-modal{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;padding:16px}
.td-modal.is-open{display:flex}
.td-modal[hidden]{display:none}
.td-modal-box{position:relative;background:#fff;border-radius:6px;max-width:560px;width:100%;padding:28px 24px 24px;box-shadow:0 20px 50px rgba(0,0,0,.35);animation:td-pop .25s ease}
@keyframes td-pop{from{transform:scale(.92);opacity:0}to{transform:none;opacity:1}}
.td-modal-x{position:absolute;right:8px;top:8px;background:none;border:0;color:#888;padding:6px}
.td-modal-x .td-ic{width:22px;height:22px}
.td-modal h3{color:#1269ff;font-size:21px}
.td-thanks h3{color:var(--green)}
.td-count{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0}
.td-count div{background:#1269ff;color:#fff;text-align:center;padding:14px 0;border-radius:3px}
.td-count b{display:block;font-size:24px}
.td-count span{font-size:13px;text-transform:uppercase}
.td-promo-call{display:block;text-align:center;text-decoration:none;color:#fff;background:linear-gradient(#e53935,#b71c1c);padding:12px;border-radius:4px}
.td-promo-call small{display:block;font-size:17px;font-weight:300}
.td-promo-call b{font-size:27px}
.td-modal-ok{margin-top:6px}

/* ===== Xem ảnh lớn ===== */
.td-lightbox{position:fixed;inset:0;z-index:120;background:rgba(0,0,0,.92);display:flex;align-items:center;justify-content:center}
.td-lightbox[hidden]{display:none}
.td-lb-stage{max-width:92vw;max-height:88vh;display:flex;align-items:center;justify-content:center}
.td-lb-stage img{max-width:92vw;max-height:88vh;object-fit:contain}
.td-lb-stage iframe,.td-lb-stage video{width:min(92vw,420px);aspect-ratio:9/16;max-height:88vh;border:0;background:#000}
.td-lb-stage iframe.is-wide{width:min(92vw,960px);aspect-ratio:16/9}
.td-lb-x,.td-lb-prev,.td-lb-next{position:absolute;background:rgba(255,255,255,.12);border:0;color:#fff;border-radius:50%;width:48px;height:48px;display:grid;place-items:center;font-size:34px;line-height:1}
.td-lb-x{top:14px;right:14px}
.td-lb-x .td-ic{width:24px;height:24px}
.td-lb-prev{left:14px;top:50%;transform:translateY(-50%)}
.td-lb-next{right:14px;top:50%;transform:translateY(-50%)}
.td-lightbox.is-single .td-lb-prev,.td-lightbox.is-single .td-lb-next{display:none}

/* ===== Trang con ===== */
.td-page{padding:50px 0 70px}
.td-page-title{font-size:clamp(26px,3vw,36px);color:var(--green)}
.td-content{font-size:17px}
.td-article{margin-bottom:40px}
.td-article-thumb{margin-bottom:20px}
.td-page-cta{margin-top:40px}

/* ===== Máy tính bảng ===== */
@media (max-width:1024px){
	.td-header-contacts li:nth-child(3){display:none}
	.td-menu a{font-size:15px;padding:14px 10px}
	.td-story-item{grid-template-columns:1fr}
	.td-why-grid{gap:50px 18px}
}

/* ===== Điện thoại ===== */
@media (max-width:782px){
	.admin-bar .td-nav{top:0}
	.td-topbar{display:none}
	.td-header-in{min-height:70px}
	.td-logo img{height:48px}
	.td-header-contacts{display:none}
	.td-burger{display:block}
	.td-nav{position:sticky}
	.td-nav .td-wrap{padding:0}
	.td-nav .td-menu{display:none;flex-direction:column}
	.td-nav.is-open .td-menu{display:flex}
	.td-menu a{border-top:1px solid rgba(255,255,255,.15);padding:13px 20px;text-align:left}
	.td-menu .sub-menu{position:static;display:block;background:rgba(0,0,0,.12)}
	.td-hero{min-height:62vh;padding-top:30px}
	.td-hero-band{padding:18px 20px;width:94%}
	.td-intro{padding:44px 0}
	.td-intro-in,.td-mv,.td-story-grid,.td-press-in,.td-footer-cols{grid-template-columns:1fr}
	.td-intro-in{gap:30px}
	.td-mv-col{min-height:auto}
	.td-mv-in{padding:46px 22px}
	.td-story-item{grid-template-columns:1fr 1fr;gap:14px}
	.td-story-grid{gap:34px}
	.td-press-text{order:-1}
	.td-grid-4{grid-template-columns:repeat(2,1fr);gap:10px}
	.td-grid-3{grid-template-columns:repeat(2,1fr);gap:10px}
	.td-trust-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto;gap:10px}
	.td-trust-grid a{aspect-ratio:4/3}
	.td-trust-1{grid-row:auto;grid-column:1/3;aspect-ratio:4/5!important}
	.td-why-grid{grid-template-columns:1fr 1fr;gap:46px 12px}
	.td-why-card{padding:40px 12px 14px}
	.td-why-card h3{font-size:14px}
	.td-why-card p{font-size:13px}
	.td-form{grid-template-columns:1fr}
	.td-form .td-btn{grid-column:auto;grid-row:auto;padding:14px}
	.td-cta-badge{width:54px}
	.td-testi-grid,.td-testi-labels{grid-template-columns:1fr;gap:40px}
	.td-testi-labels{gap:14px}
	.td-testi-labels div{justify-content:flex-start}
	.td-masonry{columns:2;column-gap:8px}
	.td-masonry a{margin-bottom:8px}
	.td-sec{padding:46px 0}
	.td-float a{width:48px;height:48px}
}
@media (max-width:420px){
	.td-story-item{grid-template-columns:1fr}
	.td-why-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ===== Khối tự do ===== */
.td-free-bg-hong{background:var(--peach)}
.td-free-bg-xam{background:#f4f4f4}
.td-free-bg-xanh{background:var(--green);color:#fff}
.td-free-bg-xanh .td-btn{background:#fff;color:var(--green)}
.td-free-in{display:grid;grid-template-columns:1fr 1.1fr;gap:50px;align-items:center}
.td-free-phai .td-free-media{order:2}
.td-free-tren .td-free-in,.td-free-noimg .td-free-in{grid-template-columns:1fr;max-width:860px;text-align:center}
.td-free-media img{width:100%;border-radius:4px;box-shadow:0 8px 22px rgba(0,0,0,.1)}
.td-free-text h2{font-size:clamp(24px,2.6vw,32px)}
.td-free-text p{font-size:16px}
@media (max-width:782px){.td-free-in{grid-template-columns:1fr;gap:24px}.td-free-phai .td-free-media{order:0}}