/* ==========================================================================
   Yến Sào Quang Minh — theme: xanh lá lúa (rice paddy green)
   ========================================================================== */

:root{
  --green-900:#243219;
  --green-800:#2f4a20;
  --green-700:#41631f;
  --green-600:#547b2c;
  --green-500:#6f9a3c;
  --green-400:#8fae5d;
  --green-300:#b9cf98;
  --green-200:#dde9cd;
  --green-100:#eef4e4;
  --gold-600:#b8892f;
  --gold-500:#c9a227;
  --gold-300:#dcb35c;
  --gold-100:#f4e6b8;
  --cream:#fbf7ec;
  --paper:#ffffff;
  --ink:#20281a;
  --ink-soft:#5b6650;
  --line:#e3e9d8;

  --bg:var(--cream);
  --surface:var(--paper);
  --surface-alt:var(--green-100);
  --text:var(--ink);
  --text-soft:var(--ink-soft);
  --border:var(--line);

  --radius-lg:28px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-sm:0 2px 10px rgba(36,50,25,.06);
  --shadow-md:0 12px 32px rgba(36,50,25,.10);
  --shadow-lg:0 24px 60px rgba(36,50,25,.16);
  --ease:cubic-bezier(.22,1,.36,1);
  --hotline-h:46px;
}

[data-theme="dark"]{
  --bg:#141d10;
  --surface:#1b2615;
  --surface-alt:#20301a;
  --text:#eef4e4;
  --text-soft:#aebd9d;
  --border:#2c3b23;
  --cream:#1b2615;
  --shadow-sm:0 2px 10px rgba(0,0,0,.25);
  --shadow-md:0 12px 32px rgba(0,0,0,.35);
  --shadow-lg:0 24px 60px rgba(0,0,0,.5);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth; scroll-padding-top:calc(var(--hotline-h) + 92px);}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  transition:background .35s var(--ease),color .35s var(--ease);
  overflow-x:hidden;
}
h1,h2,h3{font-family:'Playfair Display',serif; line-height:1.15; margin:0 0 .5em;}
p{margin:0 0 1em; color:var(--text-soft); line-height:1.7;}
a{color:inherit; text-decoration:none;}
ul{margin:0; padding:0; list-style:none;}
img{max-width:100%; display:block;}
button{font-family:inherit;}

.container{
  width:100%;
  max-width:1200px;
  margin-inline:auto;
  padding-inline:24px;
}

.text-gradient{
  background:linear-gradient(120deg,var(--green-600),var(--gold-500));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  font-size:.85rem;
  letter-spacing:.04em;
  color:var(--green-700);
  background:var(--green-100);
  border:1px solid var(--green-200);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:16px;
}
[data-theme="dark"] .eyebrow{ background:rgba(143,174,93,.12); border-color:rgba(143,174,93,.3); color:var(--green-300); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  font-weight:600;
  font-size:.95rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  white-space:nowrap;
}
.btn--primary{ background:linear-gradient(135deg,var(--green-600),var(--green-800)); color:#fff; box-shadow:0 10px 24px rgba(65,99,31,.35);}
.btn--primary:hover{ transform:translateY(-2px); box-shadow:0 16px 32px rgba(65,99,31,.42);}
.btn--ghost{ color:var(--green-700); }
.btn--ghost:hover{ color:var(--green-800); transform:translateX(3px); }
.btn--outline{ border-color:var(--green-500); color:var(--green-700); background:transparent; }
.btn--outline:hover{ background:var(--green-600); border-color:var(--green-600); color:#fff; }
.btn--light{ background:#fff; color:var(--green-800); }
.btn--light:hover{ transform:translateY(-2px); box-shadow:0 14px 30px rgba(0,0,0,.18);}
.btn--sm{ padding:10px 20px; font-size:.85rem; }
.btn--block{ width:100%; }
[data-theme="dark"] .btn--ghost{ color:var(--green-300); }
[data-theme="dark"] .btn--outline{ color:var(--green-300); border-color:var(--green-500);}

/* ---------- Hotline bar ---------- */
.hotline-bar{
  position:fixed; top:0; left:0; right:0; z-index:950; height:var(--hotline-h);
  background:linear-gradient(90deg,var(--green-800),var(--green-900));
  display:flex; align-items:center;
}
.hotline-bar__inner{ display:flex; justify-content:center; align-items:center; gap:18px; flex-wrap:wrap; }
.hotline-bar__link{ display:inline-flex; align-items:center; gap:8px; color:#fff; font-weight:600; font-size:.98rem; }
.hotline-bar__icon{
  width:22px; height:22px; border-radius:50%; background:var(--gold-500); color:#fff; flex-shrink:0;
  display:flex; align-items:center; justify-content:center; animation:hotlinePulse 1.8s infinite;
}
.hotline-bar__text strong{ color:var(--gold-300); letter-spacing:.02em; }
@keyframes hotlinePulse{
  0%,100%{ box-shadow:0 0 0 0 rgba(201,162,39,.55); }
  50%{ box-shadow:0 0 0 6px rgba(201,162,39,0); }
}
.hotline-bar__cart{
  display:inline-flex; align-items:center; gap:6px; color:var(--green-900); background:var(--gold-500);
  font-weight:700; font-size:.88rem; padding:4px 14px; border-radius:999px; white-space:nowrap;
  transition:background .2s, transform .2s;
}
.hotline-bar__cart:hover{ background:var(--gold-300); transform:scale(1.05); }
.hotline-bar__contact{
  display:inline-flex; align-items:center; gap:6px; color:#fff; background:rgba(255,255,255,.14);
  font-weight:700; font-size:.88rem; padding:4px 14px; border-radius:999px; white-space:nowrap;
  border:1px solid rgba(255,255,255,.35); transition:background .2s, transform .2s;
}
.hotline-bar__contact:hover{ background:rgba(255,255,255,.26); transform:scale(1.05); }
.hotline-bar__stats{
  display:flex; align-items:center; gap:10px; color:rgba(255,255,255,.85); font-size:.76rem;
  padding:4px 12px; border-radius:999px; background:rgba(0,0,0,.18); white-space:nowrap;
}
.hotline-bar__stats span:not(:last-child){ border-right:1px solid rgba(255,255,255,.25); padding-right:10px; }
.hotline-bar__stats strong{ color:var(--gold-300); font-weight:700; }

/* ---------- Scroll progress ---------- */
.scroll-progress{
  position:fixed; top:var(--hotline-h); left:0; height:3px; width:0%;
  background:linear-gradient(90deg,var(--green-500),var(--gold-500));
  z-index:1000; transition:width .1s linear;
}

/* ---------- Header ---------- */
.header{
  position:fixed; top:var(--hotline-h); left:0; right:0; z-index:900;
  padding:18px 0;
  transition:padding .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease), top .3s var(--ease);
}
.header.scrolled{
  padding:10px 0;
  background:rgba(251,247,236,.75);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  box-shadow:0 4px 24px rgba(36,50,25,.08);
}
[data-theme="dark"] .header.scrolled{ background:rgba(20,29,16,.75); box-shadow:0 4px 24px rgba(0,0,0,.35); }

.header__inner{ display:flex; align-items:center; justify-content:space-between; gap:24px; }
.brand{ display:flex; align-items:center; gap:10px; font-weight:700; font-size:1.05rem; flex-shrink:0; }
.brand__mark img{ display:block; border-radius:4px; object-fit:contain; }
.brand__text strong{ color:var(--green-700); }
[data-theme="dark"] .brand__text strong{ color:var(--green-300); }

.nav{ display:flex; gap:20px; }
.nav__link{ display:block; position:relative; font-weight:500; font-size:.9rem; color:var(--text-soft); padding:6px 0; white-space:nowrap; }
.nav__link::after{
  content:''; position:absolute; left:0; bottom:0; width:0; height:2px;
  background:var(--green-600); transition:width .25s var(--ease);
}
.nav__link:hover{ color:var(--text); }
.nav__link:hover::after{ width:100%; }

.nav__dropdown{ position:relative; }
.nav__submenu{
  position:absolute; top:100%; left:0; margin-top:10px; min-width:220px; background:var(--surface);
  border:1px solid var(--border); border-radius:var(--radius-md); box-shadow:var(--shadow-md); padding:8px;
  opacity:0; visibility:hidden; transform:translateY(6px); transition:opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
  z-index:920;
}
.nav__dropdown:hover .nav__submenu{ opacity:1; visibility:visible; transform:translateY(0); }
.nav__submenu a{ display:block; padding:9px 12px; border-radius:8px; font-size:.86rem; color:var(--text-soft); white-space:nowrap; }
.nav__submenu a:hover{ background:var(--green-100); color:var(--green-700); }
[data-theme="dark"] .nav__submenu a:hover{ background:rgba(143,174,93,.12); color:var(--green-300); }

.nav-search{ position:relative; }
.nav-search__toggle{
  width:36px; height:36px; border-radius:50%; border:1px solid var(--border); background:var(--surface);
  color:var(--text-soft); display:flex; align-items:center; justify-content:center; cursor:pointer; transition:background .2s, color .2s;
}
.nav-search__toggle:hover{ color:var(--green-700); background:var(--green-100); }
[data-theme="dark"] .nav-search__toggle:hover{ color:var(--green-300); background:rgba(143,174,93,.12); }
.nav-search__panel{
  position:absolute; top:100%; right:0; margin-top:10px; width:320px; max-width:80vw; background:var(--surface);
  border:1px solid var(--border); border-radius:var(--radius-md); box-shadow:var(--shadow-lg); padding:12px; z-index:940;
}
.nav-search__panel input{
  width:100%; font-family:inherit; font-size:.92rem; padding:10px 14px; border-radius:999px; border:1px solid var(--border);
  background:var(--bg); color:var(--text);
}
.nav-search__panel input:focus{ outline:none; border-color:var(--green-500); }
.nav-search__results{ max-height:320px; overflow-y:auto; margin-top:8px; }
.nav-search__result{ display:flex; align-items:center; gap:10px; padding:8px; border-radius:10px; }
.nav-search__result:hover{ background:var(--green-100); }
[data-theme="dark"] .nav-search__result:hover{ background:rgba(143,174,93,.12); }
.nav-search__result img{ width:38px; height:38px; border-radius:8px; object-fit:cover; flex-shrink:0; background:var(--green-100); }
.nav-search__result div{ display:flex; flex-direction:column; min-width:0; }
.nav-search__result strong{ font-size:.85rem; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.nav-search__result span{ font-size:.72rem; color:var(--text-soft); }
.nav-search__empty{ font-size:.85rem; color:var(--text-soft); padding:10px; text-align:center; }

.header__actions{ display:flex; align-items:center; gap:14px; }
.lang-toggle{
  display:flex; align-items:center; border:1px solid var(--border); border-radius:999px; padding:3px; background:var(--surface);
}
.lang-toggle__btn{
  border:none; background:transparent; color:var(--text-soft); font-size:.72rem; font-weight:700; letter-spacing:.03em;
  padding:5px 10px; border-radius:999px; cursor:pointer; transition:background .2s, color .2s;
}
.lang-toggle__btn.is-active{ background:var(--green-600); color:#fff; }
[data-theme="dark"] .lang-toggle__btn.is-active{ background:var(--green-500); }
.theme-toggle{
  width:38px; height:38px; border-radius:50%; border:1px solid var(--border);
  background:var(--surface); color:var(--green-700); display:flex; align-items:center; justify-content:center;
  cursor:pointer; transition:background .25s, transform .25s;
}
.theme-toggle:hover{ transform:rotate(15deg); }
.theme-toggle .icon-moon{ display:none; }
[data-theme="dark"] .theme-toggle .icon-sun{ display:none; }
[data-theme="dark"] .theme-toggle .icon-moon{ display:block; }
[data-theme="dark"] .theme-toggle{ color:var(--gold-300); }

.burger{ display:none; flex-direction:column; gap:5px; width:38px; height:38px; border:none; background:none; cursor:pointer; align-items:center; justify-content:center; }
.burger span{ width:20px; height:2px; background:var(--text); border-radius:2px; transition:transform .25s var(--ease), opacity .25s var(--ease); }

/* ---------- Hero ---------- */
.hero{ position:relative; padding:calc(85px + var(--hotline-h)) 0 40px; overflow:hidden; }
.hero__blob{ position:absolute; border-radius:50%; filter:blur(70px); opacity:.5; z-index:-1; }
.hero__blob--1{ width:420px; height:420px; background:var(--green-300); top:-120px; right:-80px; }
.hero__blob--2{ width:340px; height:340px; background:var(--gold-100); bottom:-100px; left:-60px; }
[data-theme="dark"] .hero__blob{ opacity:.18; }

.hero__inner{ display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center; }
.hero__title{ font-size:clamp(2.2rem,4.4vw,3.6rem); color:var(--text); }
.hero__desc{ font-size:1.08rem; max-width:52ch; }
.hero__cta{ display:flex; align-items:center; gap:16px; margin:16px 0 20px; flex-wrap:wrap; }

.hero__stats{ display:flex; gap:36px; flex-wrap:wrap; }
.stat{ display:flex; flex-direction:column; }
.stat__value{ display:inline-flex; align-items:baseline; gap:1px; }
.stat__num{ font-family:'Playfair Display',serif; font-size:2rem; font-weight:700; color:var(--green-700); }
.stat__suffix{ font-family:'Playfair Display',serif; font-size:1.4rem; font-weight:700; color:var(--green-700); }
[data-theme="dark"] .stat__num, [data-theme="dark"] .stat__suffix{ color:var(--green-300); }
.stat__label{ font-size:.82rem; color:var(--text-soft); }

.hero__visual{ display:flex; justify-content:center; }
.hero__card{ position:relative; padding:28px; border-radius:var(--radius-lg); width:100%; max-width:420px; }
.glass{
  background:linear-gradient(160deg,rgba(255,255,255,.65),rgba(255,255,255,.25));
  border:1px solid rgba(255,255,255,.5);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-lg);
}
[data-theme="dark"] .glass{ background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02)); border-color:rgba(255,255,255,.08); }
.hero__scene{ position:relative; animation:float 6s ease-in-out infinite; }
.hero__illustration{ width:100%; height:auto; display:block; }
.hero__nest-photo{
  position:absolute; left:17.5%; top:3%; width:65%; height:64%;
  object-fit:cover; object-position:50% 50%; border-radius:18px;
  filter:drop-shadow(0 10px 12px rgba(47,74,32,.35)) brightness(1.1) contrast(1.08) saturate(1.1);
  border:3px solid rgba(255,255,255,.7);
}
.hero__badge{
  position:absolute; bottom:18px; left:18px; background:var(--surface); border-radius:var(--radius-md);
  padding:12px 16px; box-shadow:var(--shadow-md); display:flex; align-items:center; gap:10px;
}
.hero__badge strong{ font-size:1.5rem; color:var(--gold-600); font-family:'Playfair Display',serif; }
.hero__badge span{ font-size:.72rem; color:var(--text-soft); line-height:1.3; }

@keyframes float{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(-14px);} }

.scroll-cue{ position:absolute; bottom:28px; left:50%; transform:translateX(-50%); width:26px; height:42px; border:2px solid var(--green-500); border-radius:20px; display:flex; justify-content:center; padding-top:6px; opacity:.7; }
.scroll-cue span{ width:4px; height:8px; border-radius:2px; background:var(--green-500); animation:scrollcue 1.6s infinite; }
@keyframes scrollcue{ 0%{ opacity:1; transform:translateY(0);} 100%{ opacity:0; transform:translateY(12px);} }

/* ---------- Marquee ---------- */
.marquee{ background:var(--green-800); color:#fff; overflow:hidden; padding:14px 0; }
.marquee__track{ display:flex; gap:48px; width:max-content; animation:marquee 22s linear infinite; font-weight:600; font-size:.92rem; }
.marquee__track span{ opacity:.92; }
@keyframes marquee{ from{ transform:translateX(0);} to{ transform:translateX(-50%);} }

/* ---------- Sections ---------- */
.section{ padding:40px 0; }
.section--alt{ background:var(--surface-alt); }
#contact{ padding-bottom:10px; }
.section__head{ max-width:640px; margin-bottom:22px; }
.section__title{ font-size:clamp(1.8rem,3.4vw,2.6rem); color:var(--text); }
.section__desc{ font-size:1.02rem; }

.grid{ display:grid; gap:18px; }
.grid--4{ grid-template-columns:repeat(4,1fr); }
.grid--3{ grid-template-columns:repeat(3,1fr); }
.grid--2{ grid-template-columns:repeat(2,1fr); }
.grid--5{ grid-template-columns:repeat(5,1fr); }

.card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md);
  padding:20px; box-shadow:var(--shadow-sm); transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }

/* ---------- About ---------- */
.about__grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:32px; align-items:center; }
.about__media{ position:relative; }
.about__frame{
  aspect-ratio:300/340; background:var(--green-100); border-radius:var(--radius-lg); box-shadow:var(--shadow-md);
  display:flex; align-items:center; justify-content:center; padding:15%;
}
.about__frame img{ width:100%; height:100%; object-fit:contain; }
.badge-float{ position:absolute; bottom:-24px; right:-20px; padding:18px 22px; border-radius:var(--radius-md); display:flex; flex-direction:column; align-items:center; text-align:center; }
.badge-float__num{ font-family:'Playfair Display',serif; font-size:1.8rem; font-weight:700; color:var(--green-700); }
[data-theme="dark"] .badge-float__num{ color:var(--green-300); }
.badge-float__text{ font-size:.72rem; color:var(--text-soft); }

.check-list{ display:flex; flex-direction:column; gap:10px; margin:16px 0 20px; }
.check-list li{ position:relative; padding-left:32px; color:var(--text-soft); }
.check-list li::before{
  content:'✓'; position:absolute; left:0; top:-1px; width:22px; height:22px; border-radius:50%;
  background:var(--green-600); color:#fff; font-size:.72rem; display:flex; align-items:center; justify-content:center;
}

/* ---------- Philosophy ---------- */
.philosophy-cards{ margin-bottom:18px; }
.philosophy-card{ position:relative; padding-top:36px; }
.philosophy-card__label{
  position:absolute; top:-14px; left:28px; background:linear-gradient(135deg,var(--green-600),var(--green-800));
  color:#fff; font-size:.78rem; font-weight:700; padding:6px 16px; border-radius:999px; letter-spacing:.03em;
}
.philosophy-card p{ font-style:italic; font-size:1.05rem; color:var(--text); margin:0; }

.core-values{ text-align:center; max-width:640px; margin:0 auto 16px; }
.core-values__tagline{ font-family:'Playfair Display',serif; font-style:italic; font-size:1.2rem; color:var(--green-700); margin:0; }
[data-theme="dark"] .core-values__tagline{ color:var(--green-300); }

.values{ margin-bottom:18px; }
.value{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md); padding:24px 18px;
  text-align:center; transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.value:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.value__icon{
  width:48px; height:48px; margin:0 auto 14px; border-radius:50%; background:var(--green-100); color:var(--green-700);
  display:flex; align-items:center; justify-content:center;
}
[data-theme="dark"] .value__icon{ background:rgba(143,174,93,.12); color:var(--green-300); }
.value h3{ font-size:1rem; }
.value p{ font-size:.84rem; margin:0; }

.policy-card h3{ font-size:1.1rem; }
.policy-card p{ font-size:.92rem; margin:0; }

/* ---------- Products ---------- */
.product{ position:relative; display:flex; flex-direction:column; }
.product__tag{
  position:absolute; top:18px; right:18px; background:var(--gold-500); color:#fff; font-size:.68rem; font-weight:700;
  padding:5px 12px; border-radius:999px; letter-spacing:.03em; text-transform:uppercase; z-index:2;
}
.product__tag--new{ background:var(--green-600); }
.product__tag--gift{ background:var(--green-800); }
.product__tag--out{ position:absolute; top:18px; left:18px; right:auto; background:#8a8a8a; }
.product__tag--in{ position:absolute; top:18px; left:18px; right:auto; background:var(--green-600); }
.product__thumb{
  height:240px; border-radius:var(--radius-sm); margin-bottom:12px; position:relative; overflow:hidden;
  background:var(--green-100); padding:14px;
}
.product__thumb img{
  width:100%; height:100%; object-fit:contain; transition:transform .4s var(--ease);
  filter:brightness(1.12) contrast(1.05) saturate(1.08);
}
.product:hover .product__thumb img{ transform:scale(1.06); }
.product h3{ font-size:1.15rem; }
.product p{ font-size:.9rem; flex:1; }
.product__foot{ display:flex; align-items:center; justify-content:space-between; margin-top:8px; padding-top:12px; border-top:1px dashed var(--border); }
.price{ font-weight:700; color:var(--green-700); font-size:1.05rem; }
.price small{ font-weight:400; color:var(--text-soft); font-size:.72rem; }
[data-theme="dark"] .price{ color:var(--green-300); }

/* ---------- Features ---------- */
.feature{ text-align:left; padding:6px; }
.feature__icon{
  width:48px; height:48px; border-radius:var(--radius-sm); background:var(--green-100); color:var(--green-700);
  display:flex; align-items:center; justify-content:center; margin-bottom:12px; transition:transform .3s var(--ease);
}
.feature:hover .feature__icon{ transform:translateY(-4px) rotate(-4deg); }
[data-theme="dark"] .feature__icon{ background:rgba(143,174,93,.12); color:var(--green-300); }
.feature h3{ font-size:1.08rem; }
.feature p{ font-size:.9rem; }

/* ---------- Timeline ---------- */
.timeline{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; position:relative; }
.timeline::before{ content:''; position:absolute; top:26px; left:6%; right:6%; height:2px; background:repeating-linear-gradient(90deg,var(--green-400) 0 10px,transparent 10px 20px); z-index:0; }
.timeline__item{ position:relative; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md); padding:18px 16px; z-index:1; }
.timeline__num{
  width:44px; height:44px; border-radius:50%; background:linear-gradient(135deg,var(--green-600),var(--green-800)); color:#fff;
  display:flex; align-items:center; justify-content:center; font-family:'Playfair Display',serif; font-weight:700; margin-bottom:10px;
}
.timeline__item h3{ font-size:1.05rem; }
.timeline__item p{ font-size:.88rem; margin-bottom:0; }

/* ---------- Articles (list + detail) ---------- */
.article-empty{ text-align:center; color:var(--text-soft); padding:48px 0; }
.article-card{ display:flex; flex-direction:column; }
.article-card__thumb{ height:170px; border-radius:var(--radius-sm); overflow:hidden; margin-bottom:14px; background:var(--green-100); padding:10px; }
.article-card__thumb img{ width:100%; height:100%; object-fit:contain; transition:transform .4s var(--ease); }
.article-card:hover .article-card__thumb img{ transform:scale(1.06); }
.article-card h3{ font-size:1.05rem; }
.article-card p{ font-size:.88rem; flex:1; }
.article-card__more{ font-size:.82rem; font-weight:700; color:var(--green-700); margin-top:8px; }
[data-theme="dark"] .article-card__more{ color:var(--green-300); }

.article-back{ display:inline-flex; font-size:.88rem; font-weight:600; color:var(--green-700); margin-bottom:18px; }
[data-theme="dark"] .article-back{ color:var(--green-300); }
.article-back--bottom{ margin-top:32px; margin-bottom:0; }
.article-detail__title{ font-size:clamp(1.5rem,3vw,2.2rem); max-width:44ch; }
.article-detail__cover{
  border-radius:var(--radius-lg); overflow:hidden; margin-bottom:28px; box-shadow:var(--shadow-md);
  background:var(--green-100); height:420px; display:flex; align-items:center; justify-content:center;
}
.article-detail__cover img{ width:100%; height:100%; object-fit:contain; display:block; }

.article-body{ max-width:72ch; }
.article-body h2{ font-family:'Playfair Display',serif; font-size:1.35rem; margin:32px 0 12px; color:var(--text); }
.article-body h3{ font-size:1.08rem; margin:22px 0 8px; color:var(--text); }
.article-body p{ margin-bottom:16px; }
.article-body ul, .article-body ol{ margin:0 0 16px; padding-left:22px; color:var(--text-soft); }
.article-body li{ margin-bottom:8px; line-height:1.7; }
.article-figure{ margin:24px 0; border-radius:var(--radius-md); overflow:hidden; box-shadow:var(--shadow-sm); }
.article-figure img{ width:100%; display:block; }
.article-figure--logo{ max-width:260px; box-shadow:none; background:var(--surface-alt); padding:20px; border-radius:var(--radius-md); }
.article-figure--logo img{ border-radius:12px; }

/* ---------- Coming soon ---------- */
.coming-soon{
  max-width:560px; margin:0 auto; text-align:center; background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:56px 32px; box-shadow:var(--shadow-sm);
}
.coming-soon__icon{ font-size:2.6rem; margin-bottom:12px; }
.coming-soon h2{ font-size:1.4rem; margin-bottom:12px; }
.coming-soon p{ margin-bottom:24px; }

/* ---------- Gallery ---------- */
.gallery-group{ margin-bottom:32px; }
.gallery-group:last-child{ margin-bottom:0; }
.gallery-group__title{ font-size:1.1rem; margin-bottom:14px; color:var(--green-700); }
[data-theme="dark"] .gallery-group__title{ color:var(--green-300); }
.gallery-item{ border-radius:var(--radius-md); overflow:hidden; box-shadow:var(--shadow-sm); aspect-ratio:4/3; position:relative; }
.gallery-item img{ width:100%; height:100%; object-fit:cover; transition:transform .4s var(--ease); }
.gallery-item:hover img{ transform:scale(1.06); }
.gallery-item--video video{ width:100%; height:100%; object-fit:cover; display:block; background:#000; }
.gallery-item__label{
  position:absolute; left:0; right:0; bottom:0; padding:8px 12px; font-size:.78rem; font-weight:600;
  color:#fff; background:linear-gradient(0deg, rgba(0,0,0,.65), rgba(0,0,0,0)); pointer-events:none;
}
.gallery-placeholder{
  border:1.5px dashed var(--border); border-radius:var(--radius-md); padding:36px; text-align:center;
  color:var(--text-soft); font-size:.92rem; background:var(--surface);
}

/* ---------- FAQ ---------- */
.faq-list{ display:flex; flex-direction:column; gap:12px; max-width:820px; }
.faq-item{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md);
  padding:18px 22px; transition:box-shadow .2s ease;
}
.faq-item[open]{ box-shadow:var(--shadow-md); }
.faq-item summary{
  cursor:pointer; font-weight:600; font-size:1rem; color:var(--text); list-style:none;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content:'+'; flex-shrink:0; font-size:1.3rem; line-height:1; color:var(--green-600); transition:transform .2s ease;
}
.faq-item[open] summary::after{ transform:rotate(45deg); }
.faq-item p{ margin-top:12px; color:var(--text-soft); line-height:1.6; }

/* ---------- Testimonials ---------- */
.testimonial{ display:flex; flex-direction:column; }
.stars{ color:var(--gold-500); letter-spacing:2px; margin-bottom:10px; }
.testimonial p{ font-style:italic; color:var(--text); flex:1; }
.testimonial footer{ display:flex; align-items:center; gap:12px; margin-top:16px; }
.testimonial footer div{ display:flex; flex-direction:column; }
.testimonial footer strong{ font-size:.92rem; }
.testimonial footer span{ font-size:.78rem; color:var(--text-soft); }
.avatar{
  width:42px; height:42px; border-radius:50%; background:var(--c,var(--green-500)); color:#fff; font-weight:700;
  display:flex; align-items:center; justify-content:center; font-size:.85rem; flex-shrink:0;
}

/* ---------- CTA banner ---------- */
.cta-banner{ margin:0 24px; border-radius:var(--radius-lg); background:linear-gradient(120deg,var(--green-700),var(--green-900)); color:#fff; padding:28px 0; }
.cta-banner__inner{ display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap; }
.cta-banner h2{ color:#fff; font-size:clamp(1.5rem,2.6vw,2rem); max-width:26ch; }
.cta-banner p{ color:rgba(255,255,255,.8); max-width:46ch; margin-bottom:0; }

/* ---------- Contact ---------- */
.contact__grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:28px; align-items:start; }
.contact-info{ display:flex; flex-direction:column; gap:20px; margin-top:28px; }
.contact-info__item{ display:flex; align-items:center; gap:14px; }
.contact-info__icon{ width:44px; height:44px; border-radius:50%; background:var(--green-100); color:var(--green-700); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
[data-theme="dark"] .contact-info__icon{ background:rgba(143,174,93,.12); color:var(--green-300); }
.contact-info__item strong{ display:block; font-size:.95rem; }
.contact-info__item span{ font-size:.85rem; color:var(--text-soft); }
.contact-info__map-link{ color:var(--green-600); font-weight:600; text-decoration:underline; text-underline-offset:2px; }
.contact-info__map-link:hover{ color:var(--green-700); }
[data-theme="dark"] .contact-info__map-link{ color:var(--green-300); }

.contact-form{ display:flex; flex-direction:column; gap:16px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.contact-form label{ display:flex; flex-direction:column; gap:8px; font-size:.85rem; font-weight:600; color:var(--text-soft); }
.contact-form input, .contact-form textarea{
  font-family:inherit; font-size:.95rem; padding:12px 14px; border-radius:var(--radius-sm); border:1px solid var(--border);
  background:var(--bg); color:var(--text); resize:vertical; transition:border-color .2s, box-shadow .2s;
}
.contact-form input:focus, .contact-form textarea:focus{ outline:none; border-color:var(--green-500); box-shadow:0 0 0 3px rgba(111,154,60,.18); }
.form-note{ font-size:.85rem; color:var(--text-soft); min-height:1.2em; margin:0; }
.form-note.is-success{ color:var(--green-700); }
.form-note.is-error{ color:#c0392b; }
[data-theme="dark"] .form-note.is-success{ color:var(--green-300); }
[data-theme="dark"] .form-note.is-error{ color:#e0715f; }

/* ---------- Footer ---------- */
.footer{ background:var(--green-900); color:rgba(255,255,255,.78); padding:32px 0 0; }
.footer__grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:24px; padding-bottom:24px; border-bottom:1px solid rgba(255,255,255,.1); }
.footer .brand__text strong{ color:var(--green-300); }
.footer__brand p{ color:rgba(255,255,255,.6); font-size:.9rem; max-width:32ch; }
.socials{ display:flex; gap:10px; margin-top:14px; }
.socials a{ width:36px; height:36px; border-radius:50%; background:rgba(255,255,255,.08); display:flex; align-items:center; justify-content:center; transition:background .2s, transform .2s; }
.socials a:hover{ background:var(--green-500); transform:translateY(-3px); }
.footer__col h4{ color:#fff; font-family:'Be Vietnam Pro',sans-serif; font-size:.95rem; margin-bottom:16px; }
.footer__col a{ display:block; font-size:.88rem; color:rgba(255,255,255,.65); margin-bottom:10px; transition:color .2s; }
.footer__col a:hover{ color:#fff; }
.newsletter{ display:flex; margin-top:12px; border:1px solid rgba(255,255,255,.2); border-radius:999px; overflow:hidden; }
.newsletter input{ flex:1; background:transparent; border:none; padding:10px 14px; color:#fff; font-size:.85rem; }
.newsletter input::placeholder{ color:rgba(255,255,255,.5); }
.newsletter button{ background:var(--green-500); color:#fff; border:none; width:42px; cursor:pointer; font-size:1rem; }
.footer__bottom{ padding:20px 24px; text-align:center; font-size:.8rem; color:rgba(255,255,255,.5); }

/* ---------- Back to top ---------- */
.to-top{
  position:fixed; right:24px; bottom:24px; width:46px; height:46px; border-radius:50%; background:var(--green-700); color:#fff;
  display:flex; align-items:center; justify-content:center; box-shadow:var(--shadow-md); opacity:0; pointer-events:none;
  transform:translateY(12px); transition:opacity .3s var(--ease), transform .3s var(--ease); z-index:500;
}
.to-top.visible{ opacity:1; pointer-events:auto; transform:translateY(0); }

/* ---------- Reveal on scroll ---------- */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .7s var(--ease) var(--delay,0s), transform .7s var(--ease) var(--delay,0s); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* ---------- Responsive ---------- */
.hide-mobile{ display:inline-flex; }

@media (max-width: 980px){
  .nav{ position:fixed; top:0; right:0; height:100vh; width:min(78vw,320px); background:var(--surface); flex-direction:column;
        padding:calc(100px + var(--hotline-h)) 32px 32px; gap:22px; box-shadow:-12px 0 40px rgba(0,0,0,.12); transform:translateX(100%); transition:transform .35s var(--ease); z-index:850; }
  .nav.open{ transform:translateX(0); }
  .burger{ display:flex; }
  .hide-mobile{ display:none; }
  .nav__dropdown{ display:contents; }
  .nav__submenu{
    position:static; opacity:1; visibility:visible; transform:none; box-shadow:none; border:none;
    padding:0 0 0 14px; margin:-8px 0 4px; background:transparent;
  }
  .nav-search__panel{ position:fixed; top:auto; right:16px; left:16px; width:auto; max-width:none; }
  .hero__inner, .about__grid, .contact__grid{ grid-template-columns:1fr; }
  .hero{ padding-top:calc(99px + var(--hotline-h)); }
  .grid--4{ grid-template-columns:repeat(2,1fr); }
  .grid--5{ grid-template-columns:repeat(3,1fr); }
  .timeline{ grid-template-columns:repeat(2,1fr); }
  .timeline::before{ display:none; }
  .badge-float{ position:static; margin-top:-30px; margin-left:auto; width:fit-content; }
}

@media (max-width: 640px){
  .grid--4, .grid--3, .grid--2{ grid-template-columns:1fr; }
  .grid--5{ grid-template-columns:repeat(2,1fr); }
  .form-row{ grid-template-columns:1fr; }
  .hero__stats{ gap:24px; }
  .cta-banner__inner{ flex-direction:column; align-items:flex-start; text-align:left; }
  .footer__grid{ grid-template-columns:1fr 1fr; }
  .hotline-bar__text{ font-size:.76rem; }
  .hotline-bar__cart, .hotline-bar__contact{ padding:4px 10px; font-size:.7rem; }
  .hotline-bar__stats{ display:none; }
  .hotline-bar__cart span, .hotline-bar__contact span{ display:none; }
}

@media (max-width: 360px){
  .hotline-bar__text{ display:none; }
}

/* Overlay when mobile nav open */
body.nav-open::after{
  content:''; position:fixed; inset:0; background:rgba(0,0,0,.35); z-index:800; backdrop-filter:blur(2px);
}

/* ---------- AI Chatbot widget ---------- */
.ysqm-chatbot__bubble{
  position:fixed; right:24px; bottom:82px; z-index:960; width:52px; height:52px; border-radius:50%;
  background:var(--green-700); color:#fff; border:none; display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 26px rgba(65,99,31,.4); cursor:grab; transition:transform .2s ease, box-shadow .2s ease;
  touch-action:none;
}
.ysqm-chatbot__bubble:hover{ transform:scale(1.06); }
.ysqm-chatbot__bubble.is-open{ background:var(--green-800,#2f4a20); }
.ysqm-chatbot__bubble.is-dragging{ cursor:grabbing; transition:none; box-shadow:0 16px 34px rgba(65,99,31,.5); }
.ysqm-chatbot__panel{
  position:fixed; right:24px; bottom:146px; z-index:960; width:min(360px, calc(100vw - 32px)); max-height:min(520px, 70vh);
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); box-shadow:var(--shadow-md);
  display:flex; flex-direction:column; overflow:hidden;
}
.ysqm-chatbot__panel[hidden]{ display:none; }
.ysqm-chatbot__panel.is-dragging{ transition:none; user-select:none; }
.ysqm-chatbot__head{
  background:linear-gradient(120deg,var(--green-700),var(--green-600)); color:#fff; padding:14px 16px;
  display:flex; align-items:flex-start; justify-content:space-between; gap:10px; flex-shrink:0;
  cursor:grab; touch-action:none;
}
.ysqm-chatbot__head:active{ cursor:grabbing; }
.ysqm-chatbot__title{ display:block; font-size:.98rem; }
.ysqm-chatbot__subtitle{ display:block; font-size:.74rem; opacity:.85; margin-top:2px; }
.ysqm-chatbot__close{
  background:rgba(255,255,255,.15); border:none; color:#fff; width:26px; height:26px; border-radius:50%;
  font-size:1.1rem; line-height:1; cursor:pointer; flex-shrink:0;
}
.ysqm-chatbot__body{ flex:1; overflow-y:auto; padding:14px 16px; display:flex; flex-direction:column; gap:10px; }
.ysqm-chatbot__msg{ max-width:88%; padding:9px 13px; border-radius:14px; font-size:.86rem; line-height:1.55; }
.ysqm-chatbot__msg a{ color:inherit; text-decoration:underline; }
.ysqm-chatbot__msg--bot{ align-self:flex-start; background:var(--bg-alt,var(--green-100)); color:var(--text); border-bottom-left-radius:4px; }
.ysqm-chatbot__msg--user{ align-self:flex-end; background:var(--green-700); color:#fff; border-bottom-right-radius:4px; }
.ysqm-chatbot__msg--thinking{ display:flex; gap:4px; align-items:center; padding:12px 14px; }
.ysqm-chatbot__msg--thinking span{
  width:6px; height:6px; border-radius:50%; background:var(--text-soft); opacity:.6; animation:ysqm-bounce 1.1s infinite ease-in-out;
}
.ysqm-chatbot__msg--thinking span:nth-child(2){ animation-delay:.15s; }
.ysqm-chatbot__msg--thinking span:nth-child(3){ animation-delay:.3s; }
@keyframes ysqm-bounce{ 0%,80%,100%{ transform:translateY(0); opacity:.5; } 40%{ transform:translateY(-4px); opacity:1; } }
.ysqm-chatbot__suggestions{ display:flex; flex-wrap:wrap; gap:6px; padding:0 16px 10px; flex-shrink:0; }
.ysqm-chatbot__chip{
  background:var(--surface-alt,transparent); border:1px solid var(--border); color:var(--green-700);
  border-radius:999px; padding:5px 12px; font-size:.76rem; cursor:pointer; transition:background .15s ease;
}
.ysqm-chatbot__chip:hover{ background:var(--green-100); }
.ysqm-chatbot__form{ display:flex; gap:8px; padding:12px 16px; border-top:1px solid var(--border); flex-shrink:0; }
.ysqm-chatbot__input{
  flex:1; border:1px solid var(--border); border-radius:999px; padding:9px 14px; font-size:.86rem;
  background:var(--surface); color:var(--text); min-width:0;
}
.ysqm-chatbot__input:focus{ outline:none; border-color:var(--green-500); }
.ysqm-chatbot__send{
  background:var(--green-700); color:#fff; border:none; border-radius:999px; padding:9px 18px; font-size:.82rem;
  font-weight:600; cursor:pointer; flex-shrink:0;
}
[data-theme="dark"] .ysqm-chatbot__msg--bot{ background:rgba(255,255,255,.06); }

@media (max-width:480px){
  .ysqm-chatbot__bubble{ right:16px; bottom:74px; width:48px; height:48px; }
  .ysqm-chatbot__panel{ right:16px; bottom:130px; }
}