:root { --ink:#161616; --muted:#747474; --line:#dedede; --soft:#f5f5f5; --accent:#d86b32; --max:1180px; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; min-width:320px; background:#fff; color:var(--ink); font:14px/1.6 Inter,"Segoe UI",Arial,sans-serif; }
body.locked { overflow:hidden; }
a { color:inherit; text-decoration:none; }
button { font:inherit; }
button,.contact-dialog a { transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease; }
button:hover,.contact-dialog a:hover { transform:translateY(-2px); filter:brightness(1.08); box-shadow:0 7px 20px rgba(216,107,50,.3),0 0 0 1px rgba(216,107,50,.28); }
button:active,.contact-dialog a:active { transform:translateY(0) scale(.96); filter:brightness(1.15); box-shadow:0 0 18px rgba(216,107,50,.62),0 0 0 2px rgba(216,107,50,.42); transition-duration:.07s; }
button:focus-visible,.contact-dialog a:focus-visible { outline:2px solid var(--accent); outline-offset:3px; box-shadow:0 0 22px rgba(216,107,50,.45); }
.header { position:sticky; z-index:30; top:0; height:68px; padding:0 max(22px,calc((100% - var(--max))/2)); display:flex; align-items:center; gap:28px; background:#fff; border-bottom:1px solid var(--line); }
.brand { min-width:210px; display:flex; align-items:center; gap:10px; }.brand-icon { width:36px;height:36px;display:grid;place-items:center;background:var(--ink);color:#fff;font-size:11px;font-weight:900; }.brand>span:last-child{display:flex;flex-direction:column;line-height:1}.brand strong{font-size:14px;font-weight:900}.brand small{margin-top:5px;color:#888;font-size:7px;letter-spacing:.19em}
.nav { flex:1; display:flex; justify-content:center; gap:29px; }.nav a,.nav button{padding:25px 0 21px;border:0;background:none;color:#666;cursor:pointer;font-size:9px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.nav a:hover,.nav button:hover{color:var(--accent)}
.nav button:hover,.nav button:active{transform:none;filter:none;box-shadow:none;background:none}.nav button:focus-visible{outline:0;box-shadow:none;color:var(--accent)}
.header-actions{display:flex;align-items:center;gap:8px}.header-download,.header-cta{padding:10px 15px;cursor:pointer;font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.header-download{border:1px solid var(--ink);background:#fff;color:var(--ink)}.header-cta{border:1px solid var(--ink);background:var(--ink);color:#fff}.header-download{transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease,color .2s ease}.header-download:hover{transform:translateY(-2px);background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 7px 20px rgba(216,107,50,.3),0 0 0 1px rgba(216,107,50,.28)}.header-download:active{transform:translateY(0) scale(.96);filter:brightness(1.15);box-shadow:0 0 18px rgba(216,107,50,.62)}.menu-toggle{display:none}
.screen { min-height:auto; }
.services { width:min(var(--max),calc(100% - 44px)); min-height:720px; margin:auto; padding:54px 0 36px; }
.section-heading { text-align:center; }.section-heading>span,.mini-heading>span{color:var(--accent);font-size:8px;font-weight:900;letter-spacing:.2em}.section-heading h1{margin:7px auto 7px;font-size:clamp(28px,3vw,43px);line-height:1.1;letter-spacing:-.04em}.section-heading p{margin:0 auto;color:var(--muted);font-size:12px}
.service-grid { height:440px; margin-top:34px; display:grid; grid-template-columns:repeat(3,1fr); grid-template-rows:repeat(2,1fr); border-top:1px solid var(--line); border-left:1px solid var(--line); }
.service-item { padding:24px 30px; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; border-right:1px solid var(--line); border-bottom:1px solid var(--line); outline:0; }.service-item h2{margin:0 0 8px;font-size:17px;line-height:1.25}.service-detail{display:flex;flex-direction:column;align-items:center}.service-detail strong{font-size:14px}.service-detail p{max-width:330px;margin:7px 0 10px;color:#5f5f5f;font-size:11px;line-height:1.55}.service-detail button{padding:5px 9px;border:1px solid transparent;background:none;color:var(--accent);cursor:pointer;font-size:9px;font-weight:900;text-transform:uppercase}.service-detail button:hover{border-color:rgba(216,107,50,.35);background:#fff8f4;text-decoration:none}
.proof-strip { margin-top:24px; padding:18px 22px; display:grid; grid-template-columns:repeat(3,1fr) auto; align-items:center; gap:24px; background:var(--soft); }.proof-strip div{display:flex;align-items:center;gap:10px}.proof-strip strong{font-size:20px}.proof-strip span{color:#777;font-size:9px}.proof-strip button,.why-row button{padding:11px 16px;border:0;background:var(--accent);color:#fff;cursor:pointer;font-size:9px;font-weight:900;text-transform:uppercase}.proof-strip button b{margin-left:8px}

.catalog { padding:35px max(22px,calc((100% - var(--max))/2)) 0; background:#fff; border-top:1px solid var(--line); }
.catalog-top { display:grid; grid-template-columns:220px 1fr; gap:28px; align-items:center; }.mini-heading h2{margin:5px 0 0;font-size:20px;line-height:1.2;letter-spacing:-.03em}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.video-card{height:170px;padding:0;position:relative;overflow:hidden;border:0;background:#eee;cursor:pointer;text-align:left}.video-card::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.72),transparent 55%)}.video-card img{width:100%;height:100%;object-fit:cover;filter:saturate(.75);transition:.25s}.video-card:hover img{transform:scale(1.035);filter:saturate(1)}.video-card>i{position:absolute;z-index:2;left:50%;top:50%;width:42px;height:42px;display:grid;place-items:center;transform:translate(-50%,-50%);border-radius:50%;background:#fff;color:var(--accent);font-style:normal}.video-card>span{position:absolute;z-index:2;left:15px;right:15px;bottom:11px;color:#fff;font-size:10px;font-weight:800}.video-card small{margin-right:7px;color:#ccc}
.pricing-wrap{margin-top:31px;padding-top:24px;border-top:1px solid var(--line);}.price-heading{display:grid;grid-template-columns:150px 240px 1fr;align-items:end;gap:20px}.price-heading>span{padding-bottom:4px}.price-heading p{margin:0;color:#777;font-size:10px;text-align:right}.plan-grid{margin-top:16px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.plan-card{position:relative;display:grid;grid-template-columns:1.05fr .95fr;border:1px solid var(--line);background:#fff}.plan-card>header{padding:17px;background:#f2f2f2}.plan-card header small{font-size:7px;font-weight:900;letter-spacing:.13em}.plan-card h3{margin:4px 0;font-size:16px}.plan-card header span{color:#777;font-size:8px}.plan-card>div{padding:15px;text-align:right}.plan-card del{display:block;color:#999;font-size:8px}.plan-card>div>strong{display:block;font-size:25px;line-height:1}.plan-card sup{font-size:8px}.plan-card p{margin:5px 0 10px;color:#777;font-size:8px}.plan-card button{padding:7px 10px;border:0;background:var(--ink);color:#fff;cursor:pointer;font-size:8px;font-weight:800;text-transform:uppercase}.plan-card button b{margin-left:7px;color:#fff}.plan-card.featured{border-color:var(--accent)}.plan-card.featured>header{background:#f6eee8}.tag{position:absolute;right:8px;top:-8px;padding:3px 7px;background:var(--accent);color:#fff;font-size:6px;letter-spacing:.1em}
.why-row{margin-top:24px;padding:16px 0;display:grid;grid-template-columns:200px 1fr auto;align-items:center;gap:20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.why-row>span{font-size:10px;font-weight:900}.why-row p{margin:0;color:#6d6d6d;font-size:9px}.why-row p b{color:#333}.catalog>footer{min-height:58px;display:flex;align-items:center;justify-content:space-between;color:#999;font-size:7px;letter-spacing:.1em;text-transform:uppercase}

.plan-modal,.contact-modal{position:fixed;inset:0;z-index:100;padding:22px;display:grid;place-items:center;background:rgba(0,0,0,.55);opacity:0;visibility:hidden;transition:.2s}.plan-modal.open,.contact-modal.open{opacity:1;visibility:visible}.plan-dialog{width:min(1080px,96vw);height:min(680px,92vh);position:relative;display:grid;grid-template-columns:370px 1fr;overflow:hidden;background:#fff}.modal-close,.contact-close{position:absolute;z-index:4;right:14px;top:12px;width:33px;height:33px;border:1px solid #ddd;background:#fff;color:#111;cursor:pointer;font-size:21px}.modal-info{padding:38px 30px;overflow:auto}.modal-info>span,.contact-dialog>span{color:var(--accent);font-size:8px;font-weight:900;letter-spacing:.17em}.modal-info h2{margin:7px 0;font-size:30px;line-height:1}.modal-info>p{color:#777;font-size:10px}.modal-info>div{padding:12px 0;border-top:1px solid #ddd;border-bottom:1px solid #ddd;font-size:21px;font-weight:900}.modal-info h3{margin:20px 0 7px;font-size:9px;text-transform:uppercase}.modal-info ul{list-style:none;padding:0;margin:0 0 20px}.modal-info li{padding:5px 0;color:#555;font-size:9px}.modal-info li::before{content:"✓";margin-right:7px;color:var(--accent)}.modal-info>button{padding:10px 14px;border:0;background:var(--accent);color:#fff;cursor:pointer;font-size:8px;font-weight:900;text-transform:uppercase}
.media-panel{min-width:0;padding:16px;display:flex;flex-direction:column;background:#f4f4f4}.media-panel>header{height:38px;display:flex;justify-content:space-between}.media-tab{padding:6px 14px;border:1px solid #ccc;background:#fff;color:#777;cursor:pointer;font-size:8px;font-weight:900;text-transform:uppercase}.media-tab.active{background:var(--ink);border-color:var(--ink);color:#fff}.media-panel header>span{color:#888;font-size:8px}.media-stage{flex:1;min-height:0;overflow:hidden;background:#ddd}.media-stage img,.media-stage video{width:100%;height:100%;display:block;object-fit:cover}.media-panel>footer{height:50px;display:flex;align-items:end;justify-content:space-between;color:#777;font-size:8px;text-transform:uppercase}.media-panel footer button{width:34px;height:28px;border:1px solid #ccc;background:#fff;cursor:pointer}
.contact-dialog{width:min(460px,94vw);padding:39px;position:relative;background:#fff}.contact-dialog h2{margin:8px 0;font-size:29px;line-height:1.1}.contact-dialog>p{color:#777;font-size:10px}.contact-dialog a{min-height:56px;margin-top:8px;padding:9px 12px;display:flex;align-items:center;gap:10px;border:1px solid #ddd}.contact-dialog a>b{width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:var(--ink);color:#fff}.contact-dialog a span{flex:1;display:flex;flex-direction:column;font-size:10px;font-weight:800}.contact-dialog a small{color:#888;font-size:7px}.contact-dialog a>strong{color:var(--accent)}

/* Tăng độ đọc rõ trên màn hình lớn */
.media-stage img,.media-stage video{object-fit:contain;background:#000}
.brand small{font-size:9px}.nav a,.nav button{font-size:11px}.header-download,.header-cta{font-size:10px}
.section-heading>span,.mini-heading>span{font-size:10px}.section-heading p{font-size:14px}
.service-item h2{font-size:18px}.service-detail strong{font-size:15px}.service-detail p{font-size:13px}.service-detail button{font-size:10px}
.proof-strip span{font-size:11px}.proof-strip button,.why-row button{font-size:10px}
.mini-heading h2{font-size:23px}.video-card>span{font-size:12px}.video-card small{font-size:10px}
.price-heading p{font-size:12px}.plan-card header small{font-size:9px}.plan-card h3{font-size:18px}.plan-card header span{font-size:10px}.plan-card del{font-size:10px}.plan-card p{font-size:10px}.plan-card button{font-size:10px}.tag{font-size:8px}
.why-row>span{font-size:12px}.why-row p{font-size:11px}.catalog>footer{font-size:9px}
.modal-info>span,.contact-dialog>span{font-size:10px}.modal-info>p{font-size:12px}.modal-info h3{font-size:11px}.modal-info li{font-size:11px}.modal-info>button{font-size:10px}.media-tab{font-size:10px}.media-panel header>span,.media-panel>footer{font-size:10px}
.contact-dialog>p{font-size:12px}.contact-dialog a span{font-size:12px}.contact-dialog a small{font-size:9px}

@media(max-width:900px){.header{padding:0 18px}.brand{flex:1}.header-actions{display:none}.menu-toggle{width:36px;height:36px;display:flex;flex-direction:column;justify-content:center;gap:6px;border:1px solid #ccc;background:#fff}.menu-toggle i{width:100%;height:1px;background:#111}.nav{position:fixed;top:68px;left:0;right:0;padding:12px 20px;display:none;flex-direction:column;align-items:flex-start;gap:0;background:#fff;border-bottom:1px solid #ddd}.nav.open{display:flex}.nav a,.nav button{padding:9px 0}.services{padding-top:38px}.service-grid{height:660px;grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(3,1fr)}.proof-strip{grid-template-columns:repeat(3,1fr)}.proof-strip button{grid-column:1/-1}.catalog-top{grid-template-columns:1fr}.plan-card{grid-template-columns:1fr}.plan-card>div{text-align:left}.why-row{grid-template-columns:1fr auto}.why-row p{grid-column:1/-1;grid-row:2}.plan-dialog{grid-template-columns:320px 1fr}}
@media(max-width:650px){.screen{min-height:auto}.services{width:calc(100% - 30px);padding-bottom:45px}.section-heading h1{font-size:28px}.service-grid{height:auto;min-height:0;grid-template-columns:1fr;grid-template-rows:none}.service-item{min-height:190px}.proof-strip{grid-template-columns:1fr}.proof-strip div{justify-content:center}.catalog{padding-inline:15px}.video-grid{grid-template-columns:1fr}.video-card{height:190px}.price-heading{grid-template-columns:1fr}.price-heading p{text-align:left}.plan-grid{grid-template-columns:1fr}.plan-card{grid-template-columns:1fr 1fr}.why-row{grid-template-columns:1fr}.catalog>footer{align-items:flex-start;flex-direction:column;justify-content:center}.plan-modal{padding:0}.plan-dialog{width:100%;height:100%;grid-template-columns:1fr;grid-template-rows:42vh 1fr}.modal-info{padding:30px 20px;order:2}.media-panel{order:1}.contact-dialog{padding:35px 22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition-duration:.01ms!important}}