:root{--forest:#073d2b;--deep:#05291e;--green:#176344;--lime:#edfb85;--paper:#faf9f1;--ink:#142e22;--muted:#56675d;--line:#dce3d7}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:400 15px/1.65 "Be Vietnam Pro",system-ui,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}.wrap{width:min(1240px,calc(100% - 80px));margin-inline:auto}.nav{height:83px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;line-height:1.06}.brand img{width:43px;height:43px;object-fit:cover;object-position:top;border-radius:8px}.brand small{display:block;font-size:8px;letter-spacing:.18em;margin-top:5px;color:var(--muted)}.nav nav{display:flex;gap:32px;font-size:13px;font-weight:600}.nav nav a:hover,.item a:hover{text-decoration:underline}.phone{font-weight:800;border:1px solid var(--line);padding:9px 16px;border-radius:99px;white-space:nowrap}.phone span{margin-left:7px}
.hero{background:radial-gradient(ellipse at 70% 60%,#1c6443 0%,var(--forest) 47%,var(--deep) 100%);color:#fffdf0;overflow:hidden}.hero-grid{min-height:588px;display:grid;grid-template-columns:1.06fr 1fr;align-items:center}.intro{position:relative;z-index:2;padding:75px 0}.label{display:flex;gap:8px;align-items:center;color:var(--lime);font-size:11px;letter-spacing:.16em;font-weight:800;margin:0 0 16px}.label span{width:8px;height:8px;background:currentColor;border-radius:50%}.label.green{color:var(--green)}h1,h2,h3,p{margin-top:0}h1,h2{letter-spacing:-.075em;line-height:1.11;text-wrap:balance}h1{font-size:clamp(39px,5.25vw,76px);margin:0 0 24px}h1 em{color:var(--lime);font-style:normal}.lead{max-width:460px;color:#e1ebdf;font-size:16px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;gap:13px;padding:13px 20px;min-height:49px;border-radius:99px;font-weight:800;font-size:13px;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.yellow{background:var(--lime);color:var(--deep)}.outline{border:1px solid #ffffff68;color:#fff}.forest{background:var(--forest);color:white}.light{background:#fff;color:var(--forest);border:1px solid var(--line)}.caption{color:#c3d9cd;font-size:12px;margin:16px 0 0}
.showcase{position:relative;isolation:isolate;height:530px;min-width:0}.orb{position:absolute;width:76%;aspect-ratio:1;top:50%;left:54%;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(circle at 36% 30%,#f5ffa3,#b9d84b 72%);box-shadow:0 0 0 19px #b9d84b20,0 0 0 42px #b9d84b13}.tank{position:absolute;height:92%;width:65%;object-fit:contain;bottom:4%;filter:drop-shadow(0 23px 19px #00170ba0)}.tank-orange{left:35%;transform:rotate(8deg)}.tank-grey{left:4%;transform:rotate(-8deg);height:94%}.spark{position:absolute;top:18%;left:11%;font-size:46px;color:var(--lime)}.spark.two{left:auto;right:0;top:22%;font-size:35px}.show-tag{position:absolute;bottom:12%;right:0;border:1px solid #fff6;background:#092d22e8;border-radius:13px;padding:13px 17px;box-shadow:0 10px 25px #001b12a0}.show-tag b,.show-tag span{display:block}.show-tag b{font-size:10px;letter-spacing:.12em;color:var(--lime)}.show-tag span{font-size:13px}
.benefit{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line);padding:20px 0}.benefit div{display:flex;gap:11px;align-items:center;justify-content:center;border-right:1px solid var(--line)}.benefit div:last-child{border:0}.benefit span{color:var(--green);background:#e9efdd;border-radius:50%;width:36px;height:36px;display:grid;place-items:center;font-size:11px;font-weight:800}
.section{padding-block:88px}.heading{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:25px}.heading p{max-width:360px;color:var(--muted);margin:0}.heading h2,.order h2,.footer-row h2{font-size:clamp(34px,5vw,59px);margin:0}.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.filters button{border:1px solid var(--line);background:transparent;border-radius:99px;padding:8px 14px;color:var(--ink);cursor:pointer;font-size:12px;font-weight:700}.filters button[aria-pressed=true]{background:var(--forest);border-color:var(--forest);color:white}.catalog{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.catalog article{border:1px solid var(--line);background:white;border-radius:18px;overflow:hidden}.product{height:224px;position:relative;display:grid;place-items:center;overflow:hidden}.product img{width:100%;height:100%;object-fit:contain;position:absolute;transition:transform .25s;filter:drop-shadow(0 9px 7px #1113)}.catalog article:hover img{transform:scale(1.06)}.product span{position:absolute;left:9px;top:9px;background:white;border-radius:20px;padding:4px 8px;font-weight:800;font-size:10px}.grey{background:#ebefe8}.red{background:#f6e8e5}.orange{background:#f9ecdb}.blue{background:#e8eff5}.dark{background:#e7ede5}.item{padding:15px}.item h3{margin-bottom:1px;font-size:17px;line-height:1.35}.item p{font-size:12px;color:var(--muted);margin-bottom:11px}.item a{font-size:12px;font-weight:800;color:var(--green)}.item a span{margin-left:3px}
.order{display:grid;grid-template-columns:1.08fr 1fr;background:#eef1df;border-radius:22px;overflow:hidden}.order-photo img{width:100%;height:100%;object-fit:cover}.order-copy{padding:clamp(24px,4vw,54px)}.order-copy p:not(.label){color:var(--muted);margin:15px 0 0}.logos{display:flex;align-items:center;justify-content:center;gap:28px;padding-block:45px}.logos img{width:105px;height:62px;object-fit:contain}.logos img:first-child{width:48px}.logos img:last-child{border-radius:5px}
footer{background:var(--deep);color:#fff;padding:50px 0 20px}.footer-row{display:flex;align-items:center;justify-content:space-between;gap:22px;padding-bottom:30px}.footer-row p:last-child{color:#c5d9cb;margin:11px 0 0}.credit{display:flex;justify-content:space-between;gap:12px;border-top:1px solid #ffffff32;padding-top:18px;color:#bed3c7;font-size:11px}.mobile{display:none}:focus-visible{outline:3px solid #a1ae13;outline-offset:3px}
@media(max-width:990px){.wrap{width:calc(100% - 48px)}.hero-grid{min-height:490px}.showcase{height:410px}.catalog{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:690px){.wrap{width:calc(100% - 32px)}.nav{height:65px}.nav nav{display:none}.phone{font-size:11px;padding:7px 9px}.brand{font-size:16px}.brand img{width:34px;height:34px}.hero-grid{grid-template-columns:1fr}.intro{padding:42px 0 0}.showcase{height:345px}.orb{width:min(71%,295px)}.tank{width:60%}.tank-grey{left:9%}.tank-orange{left:33%}.show-tag{bottom:8%}.benefit{padding-block:12px}.benefit div{flex-direction:column;gap:5px;text-align:center;font-size:10px;padding:0 4px}.benefit span{width:27px;height:27px}.section{padding-block:55px}.heading{display:block}.heading p{margin-top:10px;font-size:13px}.catalog{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.product{height:180px}.item{padding:11px}.order{grid-template-columns:1fr}.order-copy .actions{gap:8px}.footer-row,.credit{align-items:flex-start;flex-direction:column}.mobile{display:flex;position:fixed;inset:auto 0 0;z-index:4;gap:8px;padding:8px 12px calc(8px + env(safe-area-inset-bottom));background:var(--deep);border-top:1px solid #fff3}.mobile a{flex:1;min-height:42px;padding:8px}footer{padding-bottom:90px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}
.anniversary{background:linear-gradient(150deg,#0a432e,var(--deep));color:var(--paper)}
.anniversary .heading p{color:#c9ded0}
.event-gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:190px;gap:12px}
.event-gallery a{position:relative;display:block;overflow:hidden;border-radius:13px;background:#1b543b;isolation:isolate}
.event-gallery a::after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,#032018d9);pointer-events:none}
.event-gallery img{width:100%;height:100%;object-fit:cover;transition:transform .25s}
.event-gallery a:hover img{transform:scale(1.045)}
.event-gallery .event-feature{grid-column:span 2;grid-row:span 2}
.event-gallery a:last-child{grid-column:span 2}
.event-gallery span{position:absolute;z-index:1;inset:auto 13px 11px;display:flex;justify-content:space-between;align-items:center;gap:5px;font-size:12px;font-weight:700;color:white}
.event-gallery b{color:var(--lime);font-size:17px}
.event-viewer{max-width:min(94vw,1080px);max-height:92dvh;padding:0;border:0;border-radius:14px;background:var(--deep);color:white}
.event-viewer::backdrop{background:#00170eea}
.event-viewer img{width:auto;max-width:100%;max-height:76dvh;margin:auto;object-fit:contain}
.event-viewer p{padding:12px 17px;margin:0;font-size:13px}
.event-viewer button{position:absolute;top:8px;right:8px;display:grid;place-items:center;width:42px;height:42px;border:0;border-radius:50%;background:var(--paper);color:var(--deep);font-size:25px;cursor:pointer}
@media(max-width:900px){.event-gallery{grid-auto-rows:148px}}
@media(max-width:690px){.event-gallery{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:132px;gap:8px}.event-gallery .event-feature{grid-row:span 2}.event-gallery span{font-size:11px;inset:auto 8px 7px}}
.hero-film-link{display:inline-flex;align-items:center;gap:9px;margin-top:15px;color:var(--lime);font-size:13px;font-weight:800}
.hero-film-link:hover{text-decoration:underline}
.hero-film-link span{display:grid;place-items:center;width:25px;height:25px;border:1px solid #edfb8570;border-radius:50%;font-size:9px}
.film-feature{padding-top:36px;scroll-margin-top:20px}
.film-feature + .section{padding-top:58px}
.anniversary-film{display:grid;grid-template-columns:1.4fr 1fr;align-items:center;overflow:hidden;border-radius:22px;background:var(--deep);color:var(--paper)}
.film-screen{position:relative;aspect-ratio:16/9;background:#00170e;overflow:hidden}
.film-screen video{display:block;width:100%;height:100%;object-fit:contain}
.film-info{align-self:center;padding:clamp(20px,3vw,45px)}
.film-info h2{font-size:clamp(28px,4vw,52px);line-height:1.12;letter-spacing:-.065em;margin:0 0 12px}
.film-info p:not(.label){color:#c9ded0;margin:0 0 16px}
.film-info a{color:var(--lime);text-decoration:underline;text-underline-offset:4px;font-size:13px;font-weight:700}
.film-links{display:flex;flex-wrap:wrap;gap:8px 16px}
.film-info .film-related{display:block;margin-top:19px;padding-top:12px;border-top:1px solid #ffffff32;text-decoration:none}
.film-related:hover strong{text-decoration:underline}
.film-related small{display:block;letter-spacing:.14em;color:#b9d7c4;font-size:9px;margin-bottom:3px}
@media(max-width:690px){.anniversary-film{grid-template-columns:1fr}.film-feature{padding-top:23px}.film-feature + .section{padding-top:45px}}

/* ===== GIA TRUC TIEP tren the binh gas ===== */
.item .gia{margin:2px 0 0;font-size:17px;font-weight:800;color:var(--deep);letter-spacing:-.02em}
.item .gia.cho{color:#9aa79d;font-weight:600;font-size:13px}

/* ===== MUC TIN TUC ===== */
.news{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.news-card{display:flex;flex-direction:column;overflow:hidden;border:1px solid #d9e2d2;border-radius:16px;background:#fff;text-align:left;cursor:pointer;padding:0;font:inherit;transition:transform .18s,box-shadow .18s}
.news-card:hover{transform:translateY(-3px);box-shadow:0 10px 26px #0a432e1f}
.news-card .anh{aspect-ratio:16/10;background:#eef1df;overflow:hidden}
.news-card .anh img{width:100%;height:100%;object-fit:cover}
.news-card .noi{padding:14px 15px 16px}
.news-card time{display:block;font-size:11px;letter-spacing:.1em;color:#7d8c82;text-transform:uppercase}
.news-card h3{margin:6px 0 7px;font-size:17px;line-height:1.3;letter-spacing:-.03em;color:var(--deep)}
.news-card p{margin:0;font-size:13px;line-height:1.55;color:var(--muted)}
.news-card .xem{margin-top:11px;font-size:12px;font-weight:800;color:#0a432e}
.post-viewer{max-width:min(94vw,780px);max-height:90dvh;padding:0;border:0;border-radius:16px;background:#fff}
.post-viewer::backdrop{background:#00170eea}
.post-viewer article{padding:30px clamp(18px,4vw,44px) 40px;overflow:auto;max-height:90dvh}
.post-viewer h1{font-size:clamp(23px,4vw,34px);line-height:1.18;letter-spacing:-.045em;margin:0 0 6px;color:var(--deep)}
.post-viewer time{display:block;font-size:11px;letter-spacing:.1em;color:#7d8c82;text-transform:uppercase;margin-bottom:18px}
.post-viewer img{max-width:100%;height:auto;border-radius:10px}
.post-viewer p{line-height:1.7;color:#30413a}
.post-viewer button{position:absolute;top:10px;right:10px;display:grid;place-items:center;width:40px;height:40px;border:0;border-radius:50%;background:var(--deep);color:#fff;font-size:24px;cursor:pointer;z-index:2}
@media(max-width:990px){.news{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:690px){.news{grid-template-columns:1fr}.item .gia{font-size:15px}}