/* Bếp Lửa Nhỏ – Little Hearth
   Bright, sunny theme: white ground, sun-yellow + sky-blue + leaf-green + flame-coral.
   Layout: wide rounded photo blocks, soft tinted bands, one brocade stripe under the header. */
:root{
  --bg:#ffffff;
  --tint-sky:#eaf6ff;
  --tint-sun:#fff6d6;
  --tint-leaf:#e8f8ee;
  --tint-coral:#ffece6;
  --ink:#1c2740;
  --muted:#5b6478;
  --line:#e6e9f0;
  --sun:#ffc21a;
  --sun-deep:#f5a800;
  --sky:#1f8fe5;
  --leaf:#22a35a;
  --coral:#ff6a3d;
  --display:"Baloo 2","Be Vietnam Pro",system-ui,sans-serif;
  --body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --radius:22px;
  --shadow:0 10px 30px -12px rgba(28,39,64,.18);
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--display);line-height:1.15;margin:0;text-wrap:balance;font-weight:800}
h1{font-size:clamp(38px,6vw,66px);letter-spacing:-.01em}
h2{font-size:clamp(30px,4vw,44px)}
h3{font-size:22px;font-weight:700}
p{margin:0}
:focus-visible{outline:3px solid var(--sky);outline-offset:3px;border-radius:6px}
.wrap{max-width:1160px;margin:0 auto;padding-left:max(18px,env(safe-area-inset-left,0px));padding-right:max(18px,env(safe-area-inset-right,0px))}
.section{padding-block:80px}
.section.tight{padding-block:56px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--coral)}
.lead{font-size:18px;color:var(--muted);max-width:62ch}
.head{display:grid;gap:12px;margin-bottom:40px}
.head.center{text-align:center;justify-items:center}
.tint-sky{background:var(--tint-sky)}.tint-sun{background:var(--tint-sun)}.tint-leaf{background:var(--tint-leaf)}.tint-coral{background:var(--tint-coral)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font:600 15.5px var(--body);padding:13px 24px;border-radius:999px;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease,background .15s}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.97)}
.btn-sun{background:var(--sun);color:var(--ink);box-shadow:0 8px 20px -8px rgba(245,168,0,.7)}
.btn-sun:hover{background:var(--sun-deep)}
.btn-sky{background:var(--sky);color:#fff}
.btn-line{background:#fff;color:var(--ink);box-shadow:inset 0 0 0 2px var(--line)}
.btn-line:hover{box-shadow:inset 0 0 0 2px var(--sky)}

/* header */
.topbar{background:var(--sky);color:#fff;font-size:13.5px}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding-block:7px;flex-wrap:wrap}
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:#fff}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-block:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand-name{display:grid;line-height:1.05}
.brand-name b{font-family:var(--display);font-size:22px;font-weight:800}
.brand-name small{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:600}
.menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.menu a{display:block;padding:8px 12px;border-radius:999px;text-decoration:none;font-weight:500;font-size:15px;color:var(--muted)}
.menu a:hover{color:var(--ink);background:var(--tint-sky)}
.menu a[aria-current="page"]{color:var(--sky);background:var(--tint-sky)}
.nav-cta{display:flex;gap:10px;align-items:center}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:2px solid var(--line);background:#fff;cursor:pointer;place-items:center}
.burger span{display:block;width:20px;height:2px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink)}
.burger span::before{top:-6px}.burger span::after{top:6px}
.brocade{height:8px;background:
  linear-gradient(45deg,transparent 35%,var(--sun) 35% 50%,transparent 50%) 0 0/16px 8px,
  linear-gradient(-45deg,transparent 35%,var(--coral) 35% 50%,transparent 50%) 8px 0/16px 8px,
  var(--leaf)}
@media (max-width:1020px){
  .burger{display:grid}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;flex-direction:column;align-items:stretch;padding:12px max(18px,env(safe-area-inset-right,0px)) 20px max(18px,env(safe-area-inset-left,0px));border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .menu.open{display:flex}
  .menu a{padding:12px 14px;font-size:16px}
}

/* home hero */
.hero{padding-block:56px 72px;background:linear-gradient(180deg,var(--tint-sun) 0%,#fff 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1 .hl{color:var(--coral)}
.hero h1 .hl2{color:var(--sky)}
.hero .lead{margin-top:18px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.collage{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:200px 200px;gap:14px;position:relative}
.collage img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius)}
.collage .c1{grid-row:span 2;border-radius:140px 140px var(--radius) var(--radius)}
.collage .badge{position:absolute;left:-18px;bottom:24px;background:#fff;border-radius:18px;padding:14px 18px;box-shadow:var(--shadow);display:flex;gap:12px;align-items:center;font-size:14px}
.collage .badge b{font-family:var(--display);font-size:28px;color:var(--leaf);line-height:1}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}.collage{grid-template-rows:160px 160px}.collage .badge{left:10px}}

/* page hero (inner pages) */
.page-hero{position:relative;color:#fff;padding-block:96px 72px;background:var(--sky) center/cover no-repeat}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(18,60,110,.78) 0%,rgba(31,143,229,.35) 70%,rgba(31,143,229,.1) 100%)}
.page-hero .wrap{position:relative;display:grid;gap:14px}
.page-hero .eyebrow{color:var(--sun)}
.page-hero p{max-width:60ch;font-size:18px;color:#eef6ff}
.crumbs{font-size:14px;color:#d6eaff}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{border-radius:var(--radius);padding:24px;background:#fff;box-shadow:var(--shadow)}
.stat b{display:block;font-family:var(--display);font-size:42px;line-height:1.1;font-variant-numeric:tabular-nums}
.stat:nth-child(1) b{color:var(--coral)}.stat:nth-child(2) b{color:var(--sky)}.stat:nth-child(3) b{color:var(--leaf)}.stat:nth-child(4) b{color:var(--sun-deep)}
.stat span{color:var(--muted);font-size:14.5px}
@media (max-width:800px){.stats{grid-template-columns:repeat(2,1fr)}}

/* program cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;min-width:0;text-decoration:none;transition:transform .2s ease}
a.card:hover{transform:translateY(-4px)}
.card img{aspect-ratio:16/10;width:100%;object-fit:cover}
.card-body{padding:22px;display:grid;gap:10px;align-content:start;flex:1}
.card-body p{color:var(--muted);font-size:15px}
.more{font-weight:600;color:var(--sky);font-size:15px}
.tag{justify-self:start;font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:99px}
.tag.sun{background:var(--tint-sun);color:#8a5d00}.tag.sky{background:var(--tint-sky);color:#0f5d9c}.tag.leaf{background:var(--tint-leaf);color:#14713d}.tag.coral{background:var(--tint-coral);color:#b23a12}

/* split feature */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev>:first-child{order:2}
.split img{border-radius:var(--radius);width:100%;aspect-ratio:5/4;object-fit:cover}
.split .text{display:grid;gap:16px;min-width:0}
.checks{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:12px}
.checks li{display:grid;grid-template-columns:28px 1fr;gap:10px}
.checks li::before{content:"";width:22px;height:22px;margin-top:3px;border-radius:50%;background:var(--leaf) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:28px}.split.rev>:first-child{order:0}}

/* campaign */
.campaign{display:grid;grid-template-columns:1.1fr .9fr;gap:0;border-radius:28px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.campaign img{width:100%;height:100%;object-fit:cover;min-height:280px}
.campaign .text{padding:36px;display:grid;gap:14px;align-content:center}
.meter{height:14px;background:var(--tint-sun);border-radius:99px;overflow:hidden}
.meter span{display:block;height:100%;background:linear-gradient(90deg,var(--sun),var(--coral));border-radius:99px}
.meter-row{display:flex;justify-content:space-between;font-size:14.5px;color:var(--muted);font-variant-numeric:tabular-nums}
@media (max-width:860px){.campaign{grid-template-columns:1fr}.campaign img{min-height:220px}}

/* pets */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.chipbtn{border:2px solid var(--line);background:#fff;color:var(--ink);padding:8px 18px;border-radius:99px;cursor:pointer;font:600 14.5px var(--body)}
.chipbtn[aria-pressed="true"]{background:var(--sky);border-color:var(--sky);color:#fff}
.pets{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pet{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;cursor:pointer;border:0;padding:0;text-align:left;font:inherit;color:inherit;transition:transform .2s ease}
.pet:hover{transform:translateY(-4px)}
.pet img{aspect-ratio:1/1;width:100%;object-fit:cover}
.pet-body{padding:16px 18px 20px;display:grid;gap:6px}
.pet-body h3{display:flex;justify-content:space-between;align-items:center;gap:8px}
.pet-meta{font-size:14px;color:var(--muted)}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{font-size:12.5px;padding:3px 10px;border-radius:99px;background:var(--tint-leaf);color:#14713d;font-weight:500}
.chip.wait{background:var(--tint-coral);color:#b23a12}
@media (max-width:1000px){.pets{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.pets{grid-template-columns:repeat(2,1fr)}}
@media (max-width:440px){.pets{grid-template-columns:1fr}}

/* modal */
.modal{position:fixed;inset:0;z-index:100;background:rgba(28,39,64,.55);display:grid;place-items:center;padding:20px}
.modal-box{background:#fff;border-radius:26px;max-width:760px;width:100%;max-height:calc(100% - 20px);overflow:auto;display:grid;grid-template-columns:1fr 1fr}
.modal-box img{width:100%;height:100%;object-fit:cover;min-height:260px}
.modal-body{padding:28px;display:grid;gap:12px;align-content:start;position:relative}
.close{position:absolute;top:12px;right:12px;width:40px;height:40px;border-radius:50%;border:0;background:var(--tint-sky);cursor:pointer;font-size:22px;line-height:1}
@media (max-width:640px){.modal-box{grid-template-columns:1fr}.modal-box img{min-height:220px;max-height:280px}}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.step{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);display:grid;gap:8px;align-content:start}
.step::before{counter-increment:s;content:counter(s);width:42px;height:42px;border-radius:14px;display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:22px;background:var(--sun);color:var(--ink)}
.step p{color:var(--muted);font-size:15px}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.steps{grid-template-columns:1fr}}

/* quote */
.quote{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;background:#fff;border-radius:28px;padding:32px;box-shadow:var(--shadow)}
.quote img{width:150px;height:150px;border-radius:50%;object-fit:cover;border:6px solid var(--tint-sun)}
.quote blockquote{margin:0;font-family:var(--display);font-size:clamp(20px,2.4vw,26px);font-weight:600;line-height:1.35}
.quote cite{display:block;margin-top:10px;font:500 15px var(--body);color:var(--muted);font-style:normal}
@media (max-width:640px){.quote{grid-template-columns:1fr;text-align:center;justify-items:center}}

/* timeline */
.timeline{display:grid;gap:0;border-left:3px solid var(--tint-sky);padding-left:26px;max-width:760px}
.tl{position:relative;padding-bottom:28px}
.tl::before{content:"";position:absolute;left:-36px;top:4px;width:18px;height:18px;border-radius:50%;background:var(--sun);border:4px solid #fff;box-shadow:0 0 0 2px var(--sun)}
.tl time{font-weight:700;color:var(--sky);font-size:14.5px}
.tl p{color:var(--muted)}

/* team */
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.member{text-align:center;display:grid;gap:4px;justify-items:center}
.avatar{width:120px;height:120px;border-radius:50%;display:grid;place-items:center;font-family:var(--display);font-size:40px;font-weight:800;color:#fff;margin-bottom:8px}
.member span{color:var(--muted);font-size:14.5px}
@media (max-width:800px){.team{grid-template-columns:repeat(2,1fr)}}

/* news */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news .card time{font-size:13.5px;color:var(--muted)}
.news .feature{grid-column:span 2;display:grid;grid-template-columns:1.2fr 1fr}
.news .feature img{aspect-ratio:auto;height:100%}
@media (max-width:900px){.news{grid-template-columns:repeat(2,1fr)}.news .feature{grid-column:span 2;grid-template-columns:1fr}}
@media (max-width:600px){.news{grid-template-columns:1fr}.news .feature{grid-column:auto}}

/* article */
.article{max-width:740px;margin:0 auto;display:grid;gap:20px;font-size:17.5px}
.article h2{font-size:28px;margin-top:12px}
.article img{border-radius:var(--radius)}
.article figcaption{font-size:14px;color:var(--muted);margin-top:8px}
.article figure{margin:0}
.meta{color:var(--muted);font-size:14.5px}

/* forms */
.form{display:grid;gap:16px;background:#fff;border-radius:26px;padding:30px;box-shadow:var(--shadow)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:grid;gap:6px;font-size:14.5px;font-weight:600}
input,select,textarea{font:inherit;font-size:15.5px;font-weight:400;padding:12px 14px;border-radius:12px;border:2px solid var(--line);background:#fbfcff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--sky);outline:none}
textarea{min-height:110px;resize:vertical}
.result{border-radius:16px;padding:18px;background:var(--tint-leaf);white-space:pre-wrap;font-size:15px}
.result.err{background:var(--tint-coral)}
@media (max-width:640px){.row2{grid-template-columns:1fr}.form{padding:22px}}

/* contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.info{display:grid;gap:16px}
.info-item{display:grid;grid-template-columns:52px 1fr;gap:14px;align-items:center;background:#fff;border-radius:18px;padding:16px;box-shadow:var(--shadow)}
.ico{width:52px;height:52px;border-radius:16px;display:grid;place-items:center}
.ico svg{width:24px;height:24px}
.info-item small{display:block;color:var(--muted);font-size:13px}
.info-item b{font-weight:600;word-break:break-word}
.copy{margin-top:6px;justify-self:start;background:var(--tint-sky);color:#0f5d9c;border:0;border-radius:99px;padding:6px 14px;font:600 13.5px var(--body);cursor:pointer}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}

/* faq */
.faq{display:grid;gap:12px;max-width:820px}
details{background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:4px 22px}
summary{cursor:pointer;font-weight:600;padding-block:16px;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::after{content:"+";font-size:22px;color:var(--sky);line-height:1}
details[open] summary::after{content:"–"}
details p{padding-bottom:18px;color:var(--muted)}

/* cta band */
.cta{border-radius:30px;padding:48px;background:var(--sun);display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.3)}
.cta p{max-width:56ch;margin-top:8px}
.cta .actions{margin:0;position:relative;z-index:1}
@media (max-width:760px){.cta{grid-template-columns:1fr;padding:32px}}

/* footer */
footer.site{background:#13304f;color:#c9dbef;padding-block:56px 24px;font-size:15px}
.foot{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
footer h4{color:#fff;font-size:18px;margin-bottom:12px}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
footer a{text-decoration:none}footer a:hover{color:#fff;text-decoration:underline}
.foot-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13.5px;color:#9db6d1}
footer .brand-name b{color:#fff}footer .brand-name small{color:#9db6d1}
@media (max-width:860px){.foot{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot{grid-template-columns:1fr}}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
.steps.plain .step::before{display:none}
.steps.plain .step h3{color:var(--sky)}
[hidden]{display:none!important}
.menu a,.brand-name b{white-space:nowrap}
@media (max-width:1340px){
  .burger{display:grid}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;flex-direction:column;align-items:stretch;padding:12px max(18px,env(safe-area-inset-right,0px)) 20px max(18px,env(safe-area-inset-left,0px));border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .menu.open{display:flex}
  .menu a{padding:12px 14px;font-size:16px}
}
@media (max-width:480px){.nav-cta .btn{display:none}}
.btn{white-space:nowrap}
.team{grid-template-columns:repeat(5,1fr)}
img.avatar{width:140px;height:140px;object-fit:cover;border:6px solid #fff;box-shadow:var(--shadow)}
.member:nth-child(1) img.avatar{outline:3px solid var(--coral)}
.member:nth-child(2) img.avatar{outline:3px solid var(--sky)}
.member:nth-child(3) img.avatar{outline:3px solid var(--leaf)}
.member:nth-child(4) img.avatar{outline:3px solid var(--sun)}
.member:nth-child(5) img.avatar{outline:3px solid var(--coral)}
.member h3{font-size:19px}
@media (max-width:900px){.team{grid-template-columns:repeat(3,1fr);row-gap:32px}}
@media (max-width:520px){.team{grid-template-columns:repeat(2,1fr)}img.avatar{width:120px;height:120px}}
.member{align-content:start}
/* article prose */
.prose{display:grid;gap:16px}
.prose h2{font-size:clamp(24px,3vw,30px);margin-top:14px}
.prose ul{margin:0;padding-left:22px;display:grid;gap:8px}
.prose a{color:var(--sky);font-weight:500;text-decoration-thickness:1px;text-underline-offset:3px}
.prose strong{color:var(--ink)}
.share{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-top:20px;border-top:1px solid var(--line);font-size:14.5px}
.share .copy{margin:0}
.news .card time{margin-top:auto}
.news .card h3{font-size:20px}
.article figure img{height:auto}
/* article extras */
.summary{background:var(--tint-sun);border-radius:20px;padding:22px 26px;display:grid;gap:10px}
.summary-title{font-size:20px;margin:0}
.summary ul{margin:0;padding-left:20px;display:grid;gap:6px}
.toc details{background:#fff;border:2px solid var(--line);box-shadow:none;border-radius:18px;padding:2px 22px}
.toc ol{margin:0 0 16px;padding-left:22px;display:grid;gap:6px;font-size:15.5px}
.toc a{color:var(--sky);text-decoration:none}.toc a:hover{text-decoration:underline}
.prose h2{scroll-margin-top:110px}
.prose h3{font-size:20px;margin-top:6px}
.prose ol{margin:0;padding-left:22px;display:grid;gap:8px}
.prose table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto}
.prose th,.prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top;min-width:120px}
.prose thead th{background:var(--tint-sky);font-weight:600}
.prose em{color:var(--muted)}
.faq-block{display:grid;gap:14px;margin-top:10px}
.faq-block h2{font-size:clamp(24px,3vw,30px);scroll-margin-top:110px}