:root{
--gold:#C99A2E;--gold-light:#E8C25A;--gold-soft:#F3E0A8;
--orange:#E0762C;--cherry:#9B1B30;--cherry-deep:#6E1020;
--brown:#5A3620;--brown-deep:#3B2113;
--cream:#FFF8EC;--cream-2:#FBEFD8;--white:#fff;
--ink:#2A1B0E;--ink-soft:#5B4733;--line:#EBDCC2;
--shadow:0 20px 60px -22px rgba(90,54,32,.45);
--shadow-sm:0 8px 24px -12px rgba(90,54,32,.35);
--grad-gold:linear-gradient(135deg,#E8C25A 0%,#C99A2E 38%,#E0762C 72%,#9B1B30 100%);
--grad-warm:linear-gradient(135deg,#FFF8EC 0%,#FBEFD8 100%);
--serif:"Lora",Georgia,serif;--sans:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
--wrap:1180px;--r:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.7 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--cherry)}
h1,h2,h3{font-family:var(--serif);color:var(--brown-deep);line-height:1.25;margin:0 0 .5em}
h1{font-size:clamp(32px,4.4vw,54px)}
h2{font-size:clamp(26px,3.2vw,40px)}
h3{font-size:clamp(19px,1.8vw,22px)}
p{margin:0 0 1em}
.wrap{width:min(var(--wrap),calc(100% - 32px));margin-inline:auto}
.pad{padding:clamp(64px,9vw,110px) 0}
.center{text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font:700 13px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--cherry);margin-bottom:14px}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--grad-gold);border-radius:2px}
.center .eyebrow::after{content:"";width:28px;height:2px;background:var(--grad-gold);border-radius:2px}
.sub{color:var(--ink-soft);font-size:clamp(16px,1.4vw,18px);max-width:720px}
.center .sub{margin-inline:auto}
.gold-text{background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:14px 28px;border-radius:999px;font:700 16px/1.2 var(--sans);text-decoration:none;cursor:pointer;border:0;transition:transform .2s,box-shadow .2s}
.btn-gold{background:var(--grad-gold);color:#fff;box-shadow:0 12px 30px -10px rgba(155,27,48,.55)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px -10px rgba(155,27,48,.65)}
.btn-ghost{background:#fff;color:var(--brown-deep);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--gold)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,248,236,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:78px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.logo-mark{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--grad-gold);color:#fff;font:700 18px/1 var(--serif);box-shadow:var(--shadow-sm)}
.logo-name{font:700 20px/1.1 var(--serif);color:var(--brown-deep)}
.logo-name small{display:block;font:600 10.5px/1.4 var(--sans);letter-spacing:.16em;color:var(--gold);text-transform:uppercase;margin-top:3px}
.nav{display:flex;align-items:center;gap:26px}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:15px}
.nav a:hover,.nav a[aria-current=page]{color:var(--cherry)}
.nav .btn{min-height:44px;padding:10px 20px;font-size:15px;color:#fff}
.menu-btn{display:none;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:20px;color:var(--brown-deep)}
.hero{padding:clamp(40px,6vw,80px) 0 clamp(60px,8vw,100px);background:radial-gradient(ellipse at 85% 10%,rgba(232,194,90,.25),transparent 55%),var(--grad-warm)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:center}
.badge{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-weight:600;font-size:14px;color:var(--cherry);box-shadow:var(--shadow-sm);margin-bottom:20px}
.badge .dot{width:8px;height:8px;border-radius:50%;background:var(--cherry);box-shadow:0 0 0 4px rgba(155,27,48,.15);animation:pulse 1.8s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(155,27,48,0)}}
.hero-name{font:700 14px/1 var(--sans);letter-spacing:.2em;color:var(--gold);text-transform:uppercase;margin-bottom:12px}
.hero p.lead{font-size:clamp(17px,1.5vw,19px);color:var(--ink-soft);max-width:560px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:32px;max-width:520px}
.stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 14px;text-align:center}
.stat b{display:block;font:700 28px/1.1 var(--serif);background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:13px;color:var(--ink-soft)}
.hero-photo{position:relative}
.hero-photo .frame{border-radius:32px;overflow:hidden;box-shadow:var(--shadow);border:6px solid #fff;aspect-ratio:4/5}
.hero-photo .frame img{width:100%;height:100%;object-fit:cover;object-position:center 20%}
.float-card{position:absolute;display:flex;align-items:center;gap:12px;background:#fff;border-radius:18px;padding:12px 16px;box-shadow:var(--shadow);font-size:13px;color:var(--ink-soft);max-width:220px}
.float-card i{flex:0 0 40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--grad-gold);color:#fff;font-style:normal;font-size:18px}
.float-card b{display:block;color:var(--brown-deep);font-size:15px}
.float-card.tl{top:12%;left:-28px}.float-card.br{bottom:12%;right:-24px}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ico{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:var(--cream-2);font-size:24px;margin-bottom:16px}
.card h3{margin-bottom:8px}
.card p{color:var(--ink-soft);margin:0;font-size:15px}
.sec-head{margin-bottom:44px}
.pain .card{border-left:4px solid var(--cherry)}
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,64px);align-items:center}
.about-photo{border-radius:32px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:3/4;border:6px solid #fff}
.about-photo img{width:100%;height:100%;object-fit:cover;object-position:center 15%}
.quote{font:italic 600 clamp(18px,1.7vw,22px)/1.5 var(--serif);color:var(--cherry);border-left:4px solid var(--gold);padding:6px 0 6px 20px;margin:24px 0}
.ticks{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:12px}
.ticks li{display:flex;gap:12px;align-items:flex-start}
.ticks li::before{content:"✓";flex:0 0 26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--grad-gold);color:#fff;font-weight:700;font-size:13px;margin-top:2px}
.story{background:linear-gradient(135deg,var(--brown-deep),var(--cherry-deep));color:#F7E9D6}
.story h2,.story h3{color:#fff}
.story .eyebrow{color:var(--gold-light)}
.story .sub,.story p{color:#EAD7BF}
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.story .box{background:rgba(255,255,255,.07);border:1px solid rgba(232,194,90,.3);border-radius:var(--r);padding:28px}
.story .box h3{font-size:19px;color:var(--gold-light)}
.note{font-size:13px;opacity:.8;font-style:italic}
.emotion{background:var(--grad-gold);color:#fff;text-align:center}
.emotion h2{color:#fff}
.emotion p{max-width:780px;margin:0 auto 1em;font-size:clamp(17px,1.6vw,20px);color:#FFF6E6}
.step{position:relative;padding-top:44px}
.step .num{position:absolute;top:-22px;left:28px;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:var(--grad-gold);color:#fff;font:700 20px/1 var(--serif);box-shadow:var(--shadow-sm)}
.step .meta{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--gold);text-transform:uppercase}
.step .out{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);font-size:14px;color:var(--brown)}
.step .out b{color:var(--cherry)}
.calc-table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.calc-table th,.calc-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}
.calc-table th{background:var(--cream-2);font-family:var(--serif);color:var(--brown-deep)}
.calc-table tr:last-child td{border-bottom:0;font-weight:700}
.calc-table td.good{color:#1d7a46;font-weight:700}
.acc{max-width:860px;margin:0 auto;display:grid;gap:12px}
.acc details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 22px;box-shadow:var(--shadow-sm)}
.acc summary{cursor:pointer;list-style:none;padding:20px 36px 20px 0;font:700 17px/1.45 var(--sans);color:var(--brown-deep);position:relative}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"+";position:absolute;right:0;top:16px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--cream-2);color:var(--cherry);font-size:20px;transition:transform .2s}
.acc details[open] summary::after{transform:rotate(45deg)}
.acc details>div{padding:0 0 20px;color:var(--ink-soft)}
.urgency{background:var(--cream-2)}
.urgency .card{text-align:center}
.value-list{max-width:820px;margin:0 auto;background:#fff;border-radius:var(--r);border:2px solid var(--gold-soft);box-shadow:var(--shadow);padding:clamp(22px,4vw,40px)}
.value-list .ticks li{padding-bottom:12px;border-bottom:1px dashed var(--line)}
.value-list .ticks li:last-child{border:0}
.gift{text-align:center;position:relative;overflow:hidden}
.gift .tag{display:inline-block;background:var(--grad-gold);color:#fff;font-weight:700;font-size:12px;letter-spacing:.12em;padding:6px 14px;border-radius:999px;margin-bottom:14px}
.testi .card{display:flex;flex-direction:column;gap:12px}
.stars{color:var(--gold);letter-spacing:3px}
.testi .who{font-weight:700;color:var(--brown-deep);font-size:14px;margin-top:auto}
.pending{opacity:.75;border-style:dashed}
.final{background:radial-gradient(ellipse at 50% 0%,rgba(232,194,90,.3),transparent 60%),var(--grad-warm);text-align:center}
.final .box{max-width:820px;margin:0 auto;background:#fff;border-radius:32px;padding:clamp(30px,5vw,56px);box-shadow:var(--shadow);border:1px solid var(--line)}
.final .btn-row{justify-content:center;margin-top:24px}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:inherit;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.cover{aspect-ratio:16/9;display:flex;align-items:flex-end;padding:20px;position:relative;overflow:hidden;color:#fff}
.cover::after{content:attr(data-ico);position:absolute;right:16px;top:8px;font-size:64px;opacity:.35}
.cover span{position:relative;z-index:1;font:700 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;background:rgba(0,0,0,.22);padding:8px 12px;border-radius:999px}
.c-noi-dung{background:linear-gradient(135deg,#C99A2E,#9B1B30)}
.c-hinh-anh{background:linear-gradient(135deg,#E0762C,#6E1020)}
.c-thuong-hieu{background:linear-gradient(135deg,#5A3620,#C99A2E)}
.c-video-ai{background:linear-gradient(135deg,#9B1B30,#3B2113)}
.c-edit-video{background:linear-gradient(135deg,#3B2113,#E0762C)}
.c-video-that{background:linear-gradient(135deg,#6E1020,#E8C25A)}
.post-card .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:20px;margin:0}
.post-card p{color:var(--ink-soft);font-size:15px;margin:0}
.post-card .more{margin-top:auto;font-weight:700;color:var(--cherry);font-size:14px}
.post-meta{font-size:13px;color:var(--ink-soft)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chips button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 18px;font:600 14px var(--sans);color:var(--brown-deep);cursor:pointer}
.chips button[aria-pressed=true]{background:var(--grad-gold);color:#fff;border-color:transparent}
[hidden]{display:none!important}
.crumbs{font-size:14px;color:var(--ink-soft);margin-bottom:18px}
.crumbs a{color:var(--ink-soft);text-decoration:none}.crumbs a:hover{color:var(--cherry)}
.art-hero{padding:48px 0 36px;background:var(--grad-warm);border-bottom:1px solid var(--line)}
.art-hero h1{font-size:clamp(30px,4vw,46px);max-width:900px}
.art-hero .excerpt{font-size:18px;color:var(--ink-soft);max-width:780px}
.byline{display:flex;align-items:center;gap:12px;margin-top:20px;font-size:14px;color:var(--ink-soft)}
.byline img{width:44px;height:44px;border-radius:50%;object-fit:cover;object-position:center 15%;border:2px solid #fff;box-shadow:var(--shadow-sm)}
.byline b{color:var(--brown-deep)}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding:48px 0 80px}
.toc{position:sticky;top:100px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;font-size:14px}
.toc b{display:block;font-family:var(--serif);color:var(--brown-deep);margin-bottom:10px;font-size:16px}
.toc ol{margin:0;padding-left:18px;display:grid;gap:6px}
.toc a{color:var(--ink-soft);text-decoration:none}.toc a:hover{color:var(--cherry)}
.toc .btn{width:100%;margin-top:16px;min-height:46px;font-size:14px}
.prose{font-size:17.5px;line-height:1.8;max-width:760px;min-width:0;overflow-wrap:break-word}
.prose a{overflow-wrap:anywhere}
.prose .lead{font-size:20px;color:var(--brown)}
.prose h2{font-size:clamp(24px,2.6vw,32px);margin-top:1.8em;padding-top:.2em}
.prose h3{margin-top:1.4em}
.prose ul,.prose ol{padding-left:1.3em}.prose li{margin-bottom:.4em}
.prose blockquote{margin:1.5em 0;padding:18px 22px;background:var(--cream-2);border-left:4px solid var(--gold);border-radius:0 14px 14px 0;font-style:italic}
.prose pre{background:#2A1B0E;color:#FBEFD8;padding:18px 20px;border-radius:14px;overflow-x:auto;font-size:14.5px;line-height:1.6;white-space:pre-wrap;position:relative}
.prose code{font-family:ui-monospace,Consolas,monospace}
.prose :not(pre)>code{background:var(--cream-2);padding:2px 6px;border-radius:6px;font-size:.9em}
.prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{background:var(--cream-2);font-family:var(--serif)}
.callout{background:#fff;border:1px solid var(--gold-soft);border-left:5px solid var(--gold);border-radius:14px;padding:18px 20px;margin:1.5em 0}
.cta-box{background:var(--grad-gold);color:#fff;border-radius:22px;padding:26px 28px;margin:2em 0}
.cta-box a{color:#fff;font-weight:700}
.cta-box *{color:#fff}
.copy-btn{position:absolute;top:8px;right:8px;background:rgba(255,255,255,.12);color:#FBEFD8;border:1px solid rgba(255,255,255,.25);border-radius:8px;padding:4px 10px;font:600 12px var(--sans);cursor:pointer}
.author-box{display:flex;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;margin-top:40px}
.author-box img{width:96px;height:96px;border-radius:50%;object-fit:cover;object-position:center 15%;flex:0 0 96px}
.author-box h3{margin:0 0 4px}
.site-footer{background:var(--brown-deep);color:#D9C3A5;padding:64px 0 100px;font-size:15px}
.site-footer a{color:#F3E0A8;text-decoration:none}.site-footer a:hover{text-decoration:underline}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.site-footer h4{font:700 16px var(--serif);color:#fff;margin:0 0 14px}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.site-footer .logo-name{color:#fff}
.copyright{border-top:1px solid rgba(243,224,168,.18);margin-top:40px;padding-top:20px;font-size:13px;opacity:.8}
.m-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(255,248,236,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);gap:10px}
.m-bar .btn{flex:1;min-height:48px;padding:10px;font-size:15px}
.fab{position:fixed;right:20px;bottom:24px;z-index:55;display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px 8px 8px;box-shadow:var(--shadow);text-decoration:none;color:var(--cherry);font-weight:700;font-size:14px}
.fab i{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--grad-gold);color:#fff;font-style:normal;font-size:18px}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.badge .dot{animation:none}}
@media (max-width:1024px){
.g4{grid-template-columns:repeat(2,1fr)}
.art-layout{grid-template-columns:minmax(0,1fr)}
.toc{position:static;order:-1}
.foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
.nav{display:none;position:absolute;top:78px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--cream);border-bottom:1px solid var(--line);padding:8px 16px 16px}
.nav.open{display:flex}
.nav a{padding:12px 4px;border-bottom:1px solid var(--line)}
.nav .btn{margin-top:12px;border:0}
.menu-btn{display:grid;place-items:center}
.hero-grid,.about-grid,.story-grid{grid-template-columns:1fr}
.hero-photo{max-width:460px;margin:0 auto;order:-1}
.float-card.tl{left:-6px}.float-card.br{right:-6px}
.g2,.g3{grid-template-columns:1fr}
.m-bar{display:flex}
.fab{display:none}
.about-photo{max-width:420px;margin:0 auto}
}
@media (max-width:560px){
.g4{grid-template-columns:1fr}
.stats{grid-template-columns:repeat(3,1fr);gap:8px}.stat{padding:12px 6px}.stat b{font-size:22px}
.foot-grid{grid-template-columns:1fr}
.float-card{padding:10px 12px;font-size:12px;max-width:180px}.float-card i{flex-basis:32px;height:32px}
.card{padding:22px}
.author-box{flex-direction:column;text-align:center}
}