/* ==========================================================================
   SEORIN — MFC / Melamine board  |  Home page
   Design tokens
   ========================================================================== */
:root{
  --gold:#fdb900;
  --gold-dk:#e0a300;
  --gold-soft:rgba(253,185,0,.14);
  --ink:#141517;
  --ink-2:#26282b;
  --charcoal:#313131;
  --stone:#8a8781;
  --line:#e6e2db;
  --cream:#f7f5f1;
  --cream-2:#efebe3;
  --white:#fff;

  /* Be Vietnam Pro: dựng riêng cho dấu tiếng Việt — dùng cho UI, body, số liệu
     Fraunces: serif có optical sizing, tạo chất biên tập / kiến trúc cho tiêu đề */
  --ff:'Be Vietnam Pro','Montserrat',system-ui,-apple-system,'Segoe UI',sans-serif;
  --ff-display:'Fraunces','Playfair Display',Georgia,'Times New Roman',serif;
  --shadow-s:0 2px 10px rgba(20,21,23,.06);
  --shadow-m:0 12px 34px rgba(20,21,23,.10);
  --shadow-l:0 26px 70px rgba(20,21,23,.18);
  --r:4px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1240px;
  --header-h:78px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--ff);color:var(--charcoal);background:var(--white);
  font-size:16px;line-height:1.7;font-weight:400;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;color:var(--ink);letter-spacing:-.005em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
::selection{background:var(--gold);color:var(--ink)}

/* ---------- layout helpers ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px}
.section{padding:100px 0}
.section--tight{padding:72px 0}
.section--cream{background:var(--cream)}
.grid{display:grid;gap:28px}
.text-center{text-align:center}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold-dk);margin-bottom:16px;
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--gold)}
.eyebrow--center::after{content:"";width:28px;height:1px;background:var(--gold)}

.h-display{font-size:clamp(30px,4.2vw,52px);line-height:1.2;letter-spacing:-.015em}
.h-section{font-size:clamp(26px,3.2vw,40px);line-height:1.26}
.lead{font-size:17px;color:#5b5b58;max-width:66ch}

/* ---------- buttons ---------- */
.btn{
  --bg:var(--gold);--fg:var(--ink);--bd:var(--gold);
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;border:1px solid var(--bd);background:var(--bg);color:var(--fg);
  border-radius:99px;font-size:14px;font-weight:700;letter-spacing:.04em;
  cursor:pointer;overflow:hidden;isolation:isolate;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),color .3s,border-color .3s;
}
.btn::after{
  content:"";position:absolute;inset:0;z-index:-1;background:var(--ink);
  transform:translateY(101%);transition:transform .42s var(--ease);
}
.btn:hover{color:var(--white);transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--ink)}
.btn:hover::after{transform:translateY(0)}
.btn:active{transform:translateY(-1px)}
.btn--ghost{--bg:transparent;--fg:var(--ink);--bd:rgba(20,21,23,.28)}
.btn--light{--bg:transparent;--fg:#fff;--bd:rgba(255,255,255,.55)}
.btn--light::after{background:var(--gold)}
.btn--light:hover{color:var(--ink);border-color:var(--gold)}
.btn--solid-dark{--bg:var(--ink);--fg:#fff;--bd:var(--ink)}
.btn--solid-dark::after{background:var(--gold)}
.btn--solid-dark:hover{color:var(--ink);border-color:var(--gold)}
.btn--sm{padding:11px 22px;font-size:13px}
.btn--block{width:100%}
.btn .ico{width:16px;height:16px;flex:0 0 auto;transition:transform .35s var(--ease)}
.btn:hover .ico{transform:translateX(4px)}

/* text link with arrow */
.link-more{
  display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--ink);
  padding-bottom:4px;border-bottom:1px solid rgba(20,21,23,.2);transition:color .3s,border-color .3s
}
.link-more .ico{width:15px;height:15px;transition:transform .35s var(--ease)}
.link-more:hover{color:var(--gold-dk);border-color:var(--gold)}
.link-more:hover .ico{transform:translateX(5px)}

/* ==========================================================================
   Scroll progress
   ========================================================================== */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:100%;transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--gold),#ffd75e);z-index:1200;pointer-events:none
}

/* ==========================================================================
   Top bar + Header
   ========================================================================== */
.topbar{
  background:var(--ink);color:rgba(255,255,255,.72);font-size:13px;
  height:40px;display:flex;align-items:center;position:relative;z-index:60
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar a{transition:color .25s}
.topbar a:hover{color:var(--gold)}
.topbar__left{display:flex;align-items:center;gap:26px}
.topbar__item{display:inline-flex;align-items:center;gap:8px}
.topbar__item svg{width:14px;height:14px;color:var(--gold)}
.topbar__right{display:flex;align-items:center;gap:18px}
.topbar__promo{color:var(--gold);font-weight:600}
.topbar__socials{display:flex;gap:12px}
.topbar__socials svg{width:15px;height:15px}

.header{
  position:sticky;top:0;z-index:100;height:var(--header-h);
  display:flex;align-items:center;background:transparent;
  transition:background .4s var(--ease),box-shadow .4s var(--ease),height .35s var(--ease);
}
.header::before{
  content:"";position:absolute;inset:0;background:rgba(255,255,255,.96);
  backdrop-filter:blur(14px);opacity:0;transition:opacity .4s var(--ease);
}
.header.is-stuck{box-shadow:0 1px 0 var(--line),0 10px 30px rgba(20,21,23,.07);height:68px}
.header.is-stuck::before{opacity:1}
.header .container{display:flex;align-items:center;gap:26px;z-index:2}  /* static: mega panels anchor to .header */

.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand__mark{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:var(--gold);color:var(--ink);font-weight:800;font-size:17px;letter-spacing:-.02em;
  box-shadow:0 4px 14px rgba(253,185,0,.4)
}
.brand__text{line-height:1.05}
.brand__name{display:block;font-size:20px;font-weight:800;letter-spacing:.03em;color:#fff;transition:color .35s}
.brand__tag{display:block;font-size:9.5px;letter-spacing:.3em;text-transform:uppercase;color:rgba(255,255,255,.62);transition:color .35s}
.header.is-stuck .brand__name,.header.is-light .brand__name{color:var(--ink)}
.header.is-stuck .brand__tag,.header.is-light .brand__tag{color:var(--stone)}

.nav{margin-left:auto}
.nav__list{display:flex;align-items:center;gap:4px}
.nav__link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;font-size:14px;font-weight:600;color:rgba(255,255,255,.9);
  transition:color .3s;white-space:nowrap
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--gold);
  transform:scaleX(0);transform-origin:0 50%;transition:transform .38s var(--ease)
}
.nav__link:hover::after,.nav__item.is-active>.nav__link::after{transform:scaleX(1)}
.nav__link .caret{width:10px;height:10px;opacity:.7;transition:transform .3s}
.header.is-stuck .nav__link,.header.is-light .nav__link{color:var(--charcoal)}
.nav__link:hover{color:var(--gold)}
.header.is-stuck .nav__link:hover,.header.is-light .nav__link:hover{color:var(--gold-dk)}

.nav__item{position:relative}
.nav__item:hover .caret{transform:rotate(180deg)}
.dropdown{
  position:absolute;top:calc(100% + 6px);left:0;min-width:238px;background:#fff;
  border:1px solid var(--line);border-top:2px solid var(--gold);border-radius:var(--r);
  box-shadow:var(--shadow-m);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s
}
.nav__item:hover .dropdown,.nav__item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{
  display:block;padding:10px 14px;font-size:14px;color:var(--charcoal);border-radius:3px;
  transition:background .25s,color .25s,padding-left .25s
}
.dropdown a:hover{background:var(--cream);color:var(--gold-dk);padding-left:19px}

/* ---------- mega menu (Sản phẩm · Catalogue) ---------------------------- */
/* .nav__item--mega goes static so the panel's containing block is .header —
   that lets it span the full header width and sit flush under it. */
.nav__item--mega{position:static}
.mega{
  position:absolute;top:100%;left:0;right:0;
  background:#fff;border-top:2px solid var(--gold);
  box-shadow:var(--shadow-l);
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .3s var(--ease),transform .34s var(--ease),visibility .34s
}
.nav__item--mega:hover > .mega,
.nav__item--mega:focus-within > .mega,
.nav__item--mega.is-open > .mega{opacity:1;visibility:visible;transform:translateY(0)}
.header.is-light::before{opacity:1}

.mega__inner{
  width:100%;max-width:var(--container);margin-inline:auto;
  padding:30px clamp(16px,4vw,24px) 34px;
  display:grid;gap:32px;align-items:start
}
.mega__inner--products{grid-template-columns:1.15fr .95fr .8fr 1fr}
.mega__inner--catalogue{grid-template-columns:1.1fr 1.1fr .9fr}
.mega__col{display:flex;flex-direction:column;min-width:0}
.mega__label{
  font-size:11px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-dk);
  padding-bottom:12px;margin-bottom:8px;border-bottom:1px solid var(--line)
}

.mega__item{
  display:flex;gap:12px;align-items:flex-start;padding:10px;border-radius:var(--r);
  transition:background .25s,transform .3s var(--ease)
}
.mega__item:hover{background:var(--cream);transform:translateX(3px)}
.mega__ico{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:var(--gold-soft);color:var(--gold-dk);transition:background .25s,color .25s
}
.mega__ico svg{width:16px;height:16px}
.mega__item:hover .mega__ico{background:var(--gold);color:var(--ink)}
.mega__txt{min-width:0}
.mega__txt b{display:block;font-size:14px;font-weight:600;line-height:1.45;color:var(--ink)}
.mega__txt em{display:block;font-style:normal;font-size:12px;line-height:1.5;color:var(--stone)}

.mega__sw{
  display:flex;align-items:center;gap:11px;padding:8px 10px;border-radius:var(--r);
  font-size:13.5px;color:var(--charcoal);transition:background .25s,color .25s,padding-left .25s
}
.mega__sw:hover{background:var(--cream);color:var(--gold-dk);padding-left:15px}
.mega__sw i{
  flex:0 0 auto;width:22px;height:22px;border-radius:4px;
  border:1px solid rgba(20,21,23,.14);box-shadow:inset 0 0 0 2px rgba(255,255,255,.35)
}
.mega__sw em{font-style:normal;font-size:11.5px;letter-spacing:.04em;color:var(--stone)}
.mega__flat{
  padding:9px 10px;border-radius:var(--r);font-size:13.5px;color:var(--charcoal);
  transition:background .25s,color .25s,padding-left .25s
}
.mega__flat:hover{background:var(--cream);color:var(--gold-dk);padding-left:15px}
.mega__more{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  margin-top:12px;padding:0 10px;font-size:13px;font-weight:700;color:var(--gold-dk)
}
.mega__more .ico{width:15px;height:15px;transition:transform .3s var(--ease)}
.mega__more:hover .ico{transform:translateX(5px)}

.mega__promo{
  background:var(--cream);border:1px solid var(--line);border-radius:var(--r);
  padding:22px 20px;display:flex;flex-direction:column;align-items:flex-start
}
.mega__promo-tag{
  font-size:10.5px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink);background:var(--gold);padding:4px 10px;border-radius:2px;margin-bottom:14px
}
.mega__promo-title{font-family:var(--ff-display);font-size:19px;line-height:1.28;margin-bottom:8px}
.mega__promo p{font-size:12.5px;line-height:1.6;color:var(--stone);margin-bottom:14px}
.mega__chips{display:flex;gap:6px;margin-bottom:16px}
.mega__chips i{width:26px;height:26px;border-radius:3px;border:1px solid rgba(20,21,23,.1)}
.mega__promo--dark{background:var(--ink);border-color:var(--ink-2)}
.mega__promo--dark .mega__promo-title{color:#fff}
.mega__promo--dark p{color:rgba(255,255,255,.66)}
.mega__tel{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:13px;font-weight:700;color:var(--gold)}
.mega__tel svg{width:14px;height:14px}

/* drawer: labelled groups + colour dots inside the mobile accordions */
.drawer .acc__label{
  display:block;padding:14px 26px 6px;font-size:10.5px;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;color:var(--gold-dk)
}
.drawer nav .acc__panel a{display:flex;align-items:center;gap:9px}  /* beats the display:block below */
.drawer .acc__panel a em{font-style:normal;font-size:11.5px;color:var(--stone)}
.acc__sw{
  flex:0 0 auto;width:18px;height:18px;border-radius:4px;border:1px solid rgba(20,21,23,.14)
}

.header__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:50%;border:1px solid rgba(255,255,255,.28);
  background:transparent;color:#fff;cursor:pointer;transition:all .3s var(--ease)
}
.icon-btn svg{width:17px;height:17px}
.icon-btn:hover{background:var(--gold);border-color:var(--gold);color:var(--ink);transform:rotate(90deg)}
.header.is-stuck .icon-btn,.header.is-light .icon-btn{border-color:var(--line);color:var(--charcoal)}
.burger{display:none}

/* search overlay */
.search-overlay{
  position:fixed;inset:0;z-index:300;background:rgba(20,21,23,.94);backdrop-filter:blur(8px);
  display:grid;place-items:center;opacity:0;visibility:hidden;transition:opacity .4s var(--ease),visibility .4s
}
.search-overlay.is-open{opacity:1;visibility:visible}
.search-overlay form{width:min(680px,88vw);border-bottom:2px solid var(--gold);display:flex;gap:14px;padding-bottom:14px}
.search-overlay input{flex:1;background:none;border:0;outline:none;color:#fff;font-size:clamp(22px,4vw,34px);font-weight:300}
.search-overlay input::placeholder{color:rgba(255,255,255,.35)}
.search-overlay .close{position:absolute;top:32px;right:32px;background:none;border:0;color:#fff;cursor:pointer}
.search-overlay .close svg{width:26px;height:26px}

/* mobile drawer */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);background:#fff;z-index:280;
  transform:translateX(100%);transition:transform .45s var(--ease);
  box-shadow:var(--shadow-l);display:flex;flex-direction:column;overflow-y:auto
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--line)}
.drawer__head .brand__name{color:var(--ink)}
.drawer__head .brand__tag{color:var(--stone)}
.drawer nav{padding:12px 12px 28px}
.drawer nav > ul > li > a,.drawer .acc__btn{
  display:flex;align-items:center;justify-content:space-between;width:100%;
  padding:14px 14px;font-size:15px;font-weight:600;color:var(--ink);background:none;border:0;
  border-bottom:1px solid var(--line);cursor:pointer;text-align:left
}
.drawer .acc__panel{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.drawer .acc__panel a{display:block;padding:11px 26px;font-size:14px;color:#5b5b58}
.drawer__cta{padding:18px 24px;display:grid;gap:10px;margin-top:auto}
.overlay{
  position:fixed;inset:0;background:rgba(20,21,23,.5);z-index:270;opacity:0;visibility:hidden;
  transition:opacity .4s,visibility .4s
}
.overlay.is-open{opacity:1;visibility:visible}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{position:relative;min-height:100svh;margin-top:calc(var(--header-h) * -1);display:flex;align-items:center;overflow:hidden;background:var(--ink)}
.hero__slides{position:absolute;inset:0}
.hero__slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s var(--ease)}
.hero__slide.is-active{opacity:1}
.hero__slide img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);animation:kenburns 12s ease-out forwards}
.hero__slide.is-active img{animation:kenburns 12s ease-out forwards}
@keyframes kenburns{from{transform:scale(1.12) translate3d(0,0,0)}to{transform:scale(1) translate3d(0,-1.5%,0)}}
.hero__scrim{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,13,14,.88) 0%,rgba(12,13,14,.66) 42%,rgba(12,13,14,.26) 72%,rgba(12,13,14,.5) 100%)
}
.hero__grain{position:absolute;inset:0;opacity:.4;mix-blend-mode:overlay;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E")}
.hero .container{position:relative;z-index:3;padding-top:calc(var(--header-h) + 40px);padding-bottom:120px}
.hero__inner{max-width:760px;color:#fff}
.hero .eyebrow{color:var(--gold)}
.hero h1{color:#fff;font-size:clamp(32px,5.2vw,62px);line-height:1.18;letter-spacing:-.015em;margin-bottom:22px}
.hero h1 .accent{color:var(--gold)}
.hero__sub{font-size:clamp(15px,1.6vw,18px);color:rgba(255,255,255,.8);max-width:60ch;margin-bottom:32px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero__badges{display:flex;flex-wrap:wrap;gap:12px 26px}
.hero__badge{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.86);font-weight:500}
.hero__badge svg{width:19px;height:19px;color:var(--gold);flex:0 0 auto}

.hero__dots{position:absolute;left:24px;bottom:44px;z-index:4;display:flex;gap:10px}
@media(min-width:1300px){.hero__dots{left:calc((100vw - var(--container))/2 + 24px)}}
.hero__dot{width:34px;height:3px;border:0;padding:0;background:rgba(255,255,255,.3);cursor:pointer;position:relative;overflow:hidden;border-radius:2px}
.hero__dot span{position:absolute;inset:0;background:var(--gold);transform:scaleX(0);transform-origin:0 50%}
.hero__dot.is-active span{animation:dotfill 6s linear forwards}
@keyframes dotfill{to{transform:scaleX(1)}}

.hero__scroll{
  position:absolute;left:50%;transform:translateX(-50%);bottom:40px;z-index:4;display:flex;flex-direction:column;align-items:center;gap:12px;
  font-size:10.5px;letter-spacing:.28em;text-transform:uppercase;color:rgba(255,255,255,.6);
  writing-mode:vertical-rl
}
.hero__scroll i{display:block;width:1px;height:56px;background:linear-gradient(rgba(255,255,255,.1),var(--gold));position:relative;overflow:hidden}
.hero__scroll i::after{content:"";position:absolute;inset:0;background:var(--gold);animation:scrollline 2s ease-in-out infinite}
@keyframes scrollline{0%{transform:translateY(-100%)}60%,100%{transform:translateY(100%)}}

/* quote card floating in hero */
.hero__card{
  position:absolute;right:96px;bottom:132px;z-index:4;width:270px;padding:22px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(14px);border-radius:6px;color:#fff
}
.hero__card strong{display:block;font-size:15px;margin-bottom:6px}
.hero__card p{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:14px}
@media(max-width:1100px){.hero__card{display:none}}


/* ==========================================================================
   Intro / problem statement
   ========================================================================== */
.intro{background:var(--cream)}
.intro__grid{display:grid;grid-template-columns:1fr 1.15fr;gap:60px;align-items:center}
.intro__quote{
  font-size:clamp(20px,2.5vw,29px);line-height:1.42;font-weight:600;color:var(--ink);letter-spacing:-.015em
}
.intro__quote .hl{
  background:linear-gradient(transparent 62%,var(--gold-soft) 62%);
  box-decoration-break:clone;-webkit-box-decoration-break:clone
}
.intro__mark{font-size:64px;line-height:.6;color:var(--gold);font-weight:800;margin-bottom:10px;display:block}

/* ==========================================================================
   Stats
   ========================================================================== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--line);border:1px solid var(--line)}
.stat{background:#fff;padding:34px 26px;text-align:center;transition:background .35s,transform .35s var(--ease)}
.stat:hover{background:var(--ink);transform:translateY(-4px)}
.stat:hover .stat__num,.stat:hover .stat__label{color:#fff}
.stat:hover .stat__num{color:var(--gold)}
.stat__num{font-size:clamp(32px,4vw,46px);font-weight:800;color:var(--ink);letter-spacing:-.03em;line-height:1;transition:color .35s}
.stat__num .suffix{color:var(--gold);font-size:.6em;vertical-align:super;margin-left:2px}
.stat__label{margin-top:10px;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--stone);font-weight:600;transition:color .35s}

/* ==========================================================================
   About
   ========================================================================== */
.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about__media{position:relative}
.about__media img{border-radius:6px;box-shadow:var(--shadow-l);width:100%;height:560px;object-fit:cover}
.about__badge{
  position:absolute;left:-28px;bottom:36px;background:var(--gold);color:var(--ink);
  padding:20px 24px;border-radius:6px;box-shadow:var(--shadow-m);max-width:252px
}
.about__badge b{display:block;font-size:30px;line-height:1;letter-spacing:-.02em}
.about__badge span{font-size:11.5px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;opacity:.78;line-height:1.5}
.about__media::after{
  content:"";position:absolute;inset:26px -26px -26px 26px;border:1px solid var(--gold);border-radius:6px;z-index:-1
}
.about ul.checks{display:grid;gap:14px;margin:26px 0 32px}
.checks li{display:flex;gap:13px;align-items:flex-start;font-size:15px}
.checks li svg{width:20px;height:20px;color:var(--gold);flex:0 0 auto;margin-top:2px}
.partners{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.partners span{
  font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--stone);
  border:1px solid var(--line);border-radius:99px;padding:8px 16px;transition:all .3s
}
.partners span:hover{border-color:var(--gold);color:var(--ink);background:var(--gold-soft)}

/* ==========================================================================
   Section head
   ========================================================================== */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px}
.sec-head--center{flex-direction:column;align-items:center;text-align:center}
.sec-head p{margin:14px 0 0}

/* ==========================================================================
   Products
   ========================================================================== */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:36px;justify-content:center}
.filter{
  padding:10px 20px;border:1px solid var(--line);background:#fff;border-radius:99px;
  font-size:13px;font-weight:600;cursor:pointer;color:var(--charcoal);transition:all .3s var(--ease)
}
.filter:hover{border-color:var(--gold);color:var(--ink)}
.filter.is-active{background:var(--ink);border-color:var(--ink);color:#fff}

.products{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s;
  display:flex;flex-direction:column
}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-l);border-color:transparent}
.card.is-hidden{display:none}
.card__media{position:relative;aspect-ratio:4/3.2;overflow:hidden;background:var(--cream-2)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.card:hover .card__media img{transform:scale(1.08)}
.card__tag{
  position:absolute;top:14px;left:14px;background:var(--ink);color:#fff;font-size:10.5px;font-weight:700;
  letter-spacing:.13em;text-transform:uppercase;padding:6px 12px;border-radius:99px;z-index:2
}
.card__tag--hot{background:var(--gold);color:var(--ink)}
.card__fav{
  position:absolute;top:12px;right:12px;z-index:2;width:36px;height:36px;border-radius:50%;
  border:0;background:rgba(255,255,255,.9);display:grid;place-items:center;cursor:pointer;
  opacity:0;transform:translateY(-6px);transition:all .35s var(--ease)
}
.card:hover .card__fav{opacity:1;transform:translateY(0)}
.card__fav svg{width:16px;height:16px}
.card__fav.is-on{background:var(--gold)}
.card__hover{
  position:absolute;inset:auto 0 0 0;padding:16px;display:flex;gap:8px;
  background:linear-gradient(transparent,rgba(12,13,14,.7));
  transform:translateY(100%);opacity:0;transition:all .45s var(--ease)
}
.card:hover .card__hover{transform:translateY(0);opacity:1}
.card__hover .btn{flex:1;padding:11px 14px;font-size:12.5px}
.card__body{padding:22px;display:flex;flex-direction:column;flex:1}
.card__name{font-size:18px;margin-bottom:4px;transition:color .3s}
.card:hover .card__name{color:var(--gold-dk)}
.card__code{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--stone);font-weight:600;margin-bottom:16px}
.spec{display:grid;gap:8px;padding-top:16px;border-top:1px solid var(--line);margin-top:auto}
.spec__row{display:flex;justify-content:space-between;gap:14px;font-size:13px}
.spec__row dt{color:var(--stone)}
.spec__row dd{margin:0;font-weight:600;color:var(--ink);text-align:right}
.spec__row dd .cert{color:var(--gold-dk)}
.swatch{width:20px;height:20px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--line);display:inline-block;vertical-align:-4px;margin-right:8px}

.products-foot{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:center;margin-top:44px}
.products-foot p{margin:0;font-size:14px;color:var(--stone)}

/* ==========================================================================
   USP
   ========================================================================== */
.usp{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.usp__card{
  position:relative;padding:36px 28px;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease)
}
.usp__card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:var(--gold);
  transform:scaleX(0);transform-origin:0 50%;transition:transform .5s var(--ease)
}
.usp__card:hover{transform:translateY(-8px);box-shadow:var(--shadow-m)}
.usp__card:hover::before{transform:scaleX(1)}
.usp__num{
  position:absolute;right:18px;top:10px;font-size:74px;font-weight:800;color:var(--cream-2);
  line-height:1;letter-spacing:-.05em;transition:color .45s;z-index:0
}
.usp__card:hover .usp__num{color:var(--gold-soft)}
.usp__ico{
  position:relative;z-index:1;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:var(--gold-soft);color:var(--gold-dk);margin-bottom:20px;transition:all .4s var(--ease)
}
.usp__card:hover .usp__ico{background:var(--gold);color:var(--ink);transform:rotate(-8deg) scale(1.06)}
.usp__ico svg{width:24px;height:24px}
.usp__card h3{position:relative;z-index:1;font-size:18px;margin-bottom:10px}
.usp__card p{position:relative;z-index:1;font-size:14.5px;color:#5b5b58;margin:0}

/* ==========================================================================
   Parallax banner
   ========================================================================== */
.banner{position:relative;min-height:520px;display:grid;place-items:center;overflow:hidden;text-align:center;color:#fff}
.banner__bg{position:absolute;inset:-12% 0;will-change:transform}
.banner__bg img{width:100%;height:124%;object-fit:cover}
.banner::after{content:"";position:absolute;inset:0;background:linear-gradient(rgba(12,13,14,.72),rgba(12,13,14,.82))}
.banner .container{position:relative;z-index:2;padding-block:90px}
.banner h2{color:#fff;font-size:clamp(28px,4.4vw,52px);line-height:1.22;letter-spacing:-.015em;margin-bottom:18px}
.banner p{color:rgba(255,255,255,.78);font-size:17px;max-width:56ch;margin-inline:auto;margin-bottom:32px}
.banner .btn-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ==========================================================================
   Process
   ========================================================================== */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;position:relative}
.process::before{
  content:"";position:absolute;top:32px;left:8%;right:8%;height:1px;
  background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px)
}
.step{position:relative;text-align:center;padding-top:0}
.step__dot{
  position:relative;z-index:2;width:64px;height:64px;margin:0 auto 20px;border-radius:50%;
  background:#fff;border:1px solid var(--line);display:grid;place-items:center;
  font-size:17px;font-weight:800;color:var(--ink);transition:all .4s var(--ease)
}
.step:hover .step__dot{background:var(--gold);border-color:var(--gold);transform:translateY(-6px) scale(1.06);box-shadow:0 12px 26px rgba(253,185,0,.35)}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14.5px;color:#5b5b58;margin:0}

/* ==========================================================================
   Testimonials
   ========================================================================== */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.quote{
  background:#fff;border:1px solid var(--line);border-radius:6px;padding:32px 28px;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease)
}
.quote:hover{transform:translateY(-6px);box-shadow:var(--shadow-m)}
.quote__stars{display:flex;gap:3px;color:var(--gold);margin-bottom:16px}
.quote__stars svg{width:16px;height:16px}
.quote p{font-size:15px;color:#4e4e4c;font-style:italic}
.quote__by{display:flex;align-items:center;gap:13px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
.avatar{
  width:44px;height:44px;border-radius:50%;background:var(--ink);color:var(--gold);
  display:grid;place-items:center;font-weight:800;font-size:15px;flex:0 0 auto
}
.quote__by b{display:block;font-size:14.5px;color:var(--ink)}
.quote__by span{font-size:12.5px;color:var(--stone)}

/* ==========================================================================
   Lead form / CTA
   ========================================================================== */
.lead-cta{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.lead-cta::before{
  content:"";position:absolute;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(253,185,0,.16),transparent 68%);
  top:-220px;right:-160px;pointer-events:none
}
.lead-cta .container{position:relative;z-index:2}
.lead__grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.lead-cta h2{color:#fff}
.lead-cta .lead{color:rgba(255,255,255,.72)}
.lead__perks{display:grid;gap:12px;margin:26px 0 0}
.lead__perks li{display:flex;gap:12px;align-items:center;font-size:15px;color:rgba(255,255,255,.86)}
.lead__perks svg{width:19px;height:19px;color:var(--gold);flex:0 0 auto}
.form{background:#fff;border-radius:8px;padding:34px;box-shadow:var(--shadow-l)}
.form h3{font-size:22px;margin-bottom:6px}
.form > p{font-size:14px;color:var(--stone);margin-bottom:22px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--charcoal);margin-bottom:6px}
.field label .req{color:#d13c3c}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:4px;background:var(--cream);
  font-size:14.5px;outline:none;transition:border-color .3s,background .3s,box-shadow .3s
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold);background:#fff;box-shadow:0 0 0 3px var(--gold-soft)}
.field textarea{resize:vertical;min-height:84px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form__note{font-size:12px;color:var(--stone);text-align:center;margin:14px 0 0;display:flex;align-items:center;justify-content:center;gap:7px}
.form__note svg{width:14px;height:14px;color:var(--gold-dk)}
.form__ok{display:none;text-align:center;padding:24px 0}
.form__ok svg{width:56px;height:56px;color:var(--gold);margin:0 auto 16px}
.form.is-sent .form__body{display:none}
.form.is-sent .form__ok{display:block}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq{max-width:860px;margin-inline:auto}
.faq__item{border-bottom:1px solid var(--line)}
.faq__btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;padding:22px 4px;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--ink);transition:color .3s
}
.faq__btn:hover{color:var(--gold-dk)}
.faq__btn i{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;position:relative;transition:all .35s var(--ease)
}
.faq__btn i::before,.faq__btn i::after{content:"";position:absolute;background:var(--ink);transition:transform .35s var(--ease),background .3s}
.faq__btn i::before{width:11px;height:1.5px}
.faq__btn i::after{width:1.5px;height:11px}
.faq__item.is-open .faq__btn i{background:var(--gold);border-color:var(--gold)}
.faq__item.is-open .faq__btn i::after{transform:scaleY(0)}
.faq__panel{max-height:0;overflow:hidden;transition:max-height .45s var(--ease)}
.faq__panel p{padding:0 4px 22px;font-size:15px;color:#5b5b58;margin:0;max-width:74ch}


/* ==========================================================================
   Footer
   ========================================================================== */
.footer{background:var(--ink);color:rgba(255,255,255,.65);padding:76px 0 0;font-size:14.5px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:54px}
.footer h4{color:#fff;font-size:14px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:22px;position:relative;padding-bottom:12px}
.footer h4::after{content:"";position:absolute;left:0;bottom:0;width:30px;height:2px;background:var(--gold)}
.footer a{transition:color .28s,padding-left .28s;display:inline-block}
.footer .btn{display:inline-flex}   /* .footer a would otherwise flatten the button to inline-block */
.footer li a:hover{color:var(--gold);padding-left:6px}
.footer ul{display:grid;gap:11px}
.footer__brand .brand{margin-bottom:20px}
.footer__brand .brand__name{color:#fff}
.footer__contact li{display:flex;gap:12px;align-items:flex-start}
.footer__contact svg{width:17px;height:17px;color:var(--gold);flex:0 0 auto;margin-top:4px}
.footer__contact a:hover{padding-left:0}
.footer__socials{display:flex;gap:10px;margin-top:22px}
.footer__socials a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.16);
  display:grid;place-items:center;transition:all .32s var(--ease)
}
.footer__socials a:hover{background:var(--gold);border-color:var(--gold);color:var(--ink);transform:translateY(-3px)}
.footer__socials svg{width:16px;height:16px}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.45)
}

/* ==========================================================================
   Floating actions
   ========================================================================== */
.fab{position:fixed;right:20px;bottom:96px;z-index:150;display:grid;gap:10px}
.fab a,.fab button{
  width:50px;height:50px;border-radius:50%;display:grid;place-items:center;border:0;cursor:pointer;
  background:var(--ink);color:#fff;box-shadow:var(--shadow-m);transition:all .34s var(--ease);position:relative
}
.fab svg{width:21px;height:21px}
.fab a:hover,.fab button:hover{background:var(--gold);color:var(--ink);transform:translateY(-4px) scale(1.05)}
.fab .is-call{background:var(--gold);color:var(--ink)}
.fab .is-call::after{
  content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--gold);
  animation:ping 1.9s cubic-bezier(0,0,.2,1) infinite
}
@keyframes ping{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.7);opacity:0}}
.fab__tip{
  position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%) translateX(8px);
  background:var(--ink);color:#fff;font-size:12.5px;font-weight:600;white-space:nowrap;
  padding:7px 13px;border-radius:4px;opacity:0;pointer-events:none;transition:all .3s var(--ease)
}
.fab a:hover .fab__tip,.fab button:hover .fab__tip{opacity:1;transform:translateY(-50%) translateX(0)}
#toTop{opacity:0;visibility:hidden;transform:translateY(12px)}
#toTop.is-on{opacity:1;visibility:visible;transform:translateY(0)}

/* sticky mobile action bar */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:160;display:none;
  grid-template-columns:1fr 1fr 1fr;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -6px 22px rgba(20,21,23,.1)
}
.mobile-bar a{
  padding:11px 6px;display:grid;place-items:center;gap:4px;font-size:11px;font-weight:600;color:var(--charcoal);
  border-right:1px solid var(--line)
}
.mobile-bar a:last-child{border-right:0;background:var(--gold);color:var(--ink)}
.mobile-bar svg{width:19px;height:19px}

/* ==========================================================================
   Quote modal
   ========================================================================== */
.modal{
  position:fixed;inset:0;z-index:400;display:grid;place-items:center;padding:24px;
  background:rgba(20,21,23,.72);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .38s var(--ease),visibility .38s
}
.modal.is-open{opacity:1;visibility:visible}
.modal__box{
  width:min(520px,100%);background:#fff;border-radius:8px;padding:36px;position:relative;
  transform:translateY(24px) scale(.97);transition:transform .45s var(--ease);max-height:90vh;overflow-y:auto
}
.modal.is-open .modal__box{transform:none}
.modal__close{position:absolute;top:14px;right:14px;width:34px;height:34px;border:0;background:var(--cream);border-radius:50%;cursor:pointer;display:grid;place-items:center;transition:all .3s}
.modal__close:hover{background:var(--ink);color:#fff;transform:rotate(90deg)}
.modal__close svg{width:16px;height:16px}
.modal__box .form{box-shadow:none;padding:0}

/* ==========================================================================
   Reveal animations
   ========================================================================== */
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-reveal="left"]{transform:translateX(-34px)}
[data-reveal="right"]{transform:translateX(34px)}
[data-reveal="zoom"]{transform:scale(.94)}
[data-reveal].is-in{opacity:1;transform:none}
[data-stagger] > *{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-stagger].is-in > *{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  [data-reveal],[data-stagger] > *{opacity:1 !important;transform:none !important}
}

/* ==========================================================================
   SIGNATURE — Seam divider (brand device)
   A thin diagonal "panel seam" that marks section transitions.
   ========================================================================== */
.seam{position:relative;height:0;overflow:visible;z-index:5}
.seam::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:2px;
  background:linear-gradient(90deg,transparent,var(--gold) 18%,var(--gold) 82%,transparent);
  opacity:.5
}
.seam::after{
  content:"";position:absolute;left:50%;top:-9px;width:18px;height:18px;
  transform:translateX(-50%) rotate(45deg);
  background:var(--white);border:2px solid var(--gold);border-radius:3px
}
.seam--on-cream::after{background:var(--cream)}
.seam--on-ink::after{background:var(--ink)}

/* ==========================================================================
   SIGNATURE — Headline mask reveal
   ========================================================================== */
.reveal-lines .rl{display:block;overflow:hidden}
.reveal-lines .rl > span{display:block;transform:translateY(105%);transition:transform .9s var(--ease)}
.reveal-lines.is-in .rl > span{transform:none}
.reveal-lines.is-in .rl:nth-child(2) > span{transition-delay:.1s}
.reveal-lines.is-in .rl:nth-child(3) > span{transition-delay:.2s}

/* ==========================================================================
   SIGNATURE — Section index rail (desktop only)
   ========================================================================== */
.rail{
  position:fixed;right:26px;top:50%;transform:translateY(-50%);z-index:90;
  display:none;flex-direction:column;gap:16px;align-items:flex-end
}
.rail__item{
  display:flex;align-items:center;gap:10px;background:none;border:0;padding:0;cursor:pointer;
  color:var(--stone);font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase
}
.rail__item span{
  opacity:0;transform:translateX(8px);transition:all .35s var(--ease);white-space:nowrap;
  background:var(--ink);color:#fff;padding:5px 10px;border-radius:3px;font-size:10.5px
}
.rail__item i{
  width:8px;height:8px;border-radius:50%;background:rgba(20,21,23,.22);
  transition:all .35s var(--ease);flex:0 0 auto
}
.rail__item:hover span{opacity:1;transform:none}
.rail__item:hover i{background:var(--gold)}
.rail__item.is-on i{background:var(--gold);transform:scale(1.5);box-shadow:0 0 0 4px var(--gold-soft)}
.rail.on-dark .rail__item i{background:rgba(255,255,255,.28)}
.rail.on-dark .rail__item.is-on i{background:var(--gold)}

/* ==========================================================================
   SIGNATURE — Live colour visualiser
   ========================================================================== */
.viz{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.viz::before{
  content:"";position:absolute;width:680px;height:680px;border-radius:50%;left:-240px;bottom:-300px;
  background:radial-gradient(circle,rgba(253,185,0,.13),transparent 70%);pointer-events:none
}
.viz .container{position:relative;z-index:2}
.viz h2{color:#fff}
.viz .lead{color:rgba(255,255,255,.7)}
.viz__grid{display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:center}

.viz__stage{
  position:relative;border-radius:10px;overflow:hidden;background:#0f1011;
  box-shadow:var(--shadow-l);border:1px solid rgba(255,255,255,.08)
}
.viz__stage svg{display:block;width:100%;height:auto}
.viz__stage .door{transition:fill .55s var(--ease)}
.viz__hint{
  position:absolute;left:16px;bottom:16px;display:flex;align-items:center;gap:8px;
  background:rgba(15,16,17,.72);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.14);
  padding:8px 14px;border-radius:99px;font-size:12px;color:rgba(255,255,255,.8)
}
.viz__hint b{color:var(--gold);font-weight:700}
.viz__hint{white-space:nowrap}
.viz__hint svg{width:14px;height:14px;flex:0 0 auto}

.viz__panel{display:flex;flex-direction:column;gap:22px}
.viz__now{display:flex;align-items:center;gap:16px}
.viz__chip{
  width:64px;height:64px;border-radius:8px;flex:0 0 auto;border:2px solid rgba(255,255,255,.2);
  transition:background .5s var(--ease);box-shadow:var(--shadow-m)
}
.viz__name{display:block;font-size:24px;font-weight:700;color:#fff;line-height:1.2;letter-spacing:-.01em}
.viz__code{display:block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);font-weight:700;margin-top:4px}

.viz__swatches{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.sw{
  position:relative;aspect-ratio:1;border-radius:8px;border:2px solid transparent;cursor:pointer;
  padding:0;transition:transform .3s var(--ease),border-color .3s,box-shadow .3s;overflow:hidden
}
.sw::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(0,0,0,.14);border-radius:6px}
.sw:hover{transform:translateY(-4px) scale(1.04);box-shadow:var(--shadow-m)}
.sw.is-on{border-color:var(--gold);transform:translateY(-4px);box-shadow:0 0 0 4px var(--gold-soft)}

.viz__specs{display:grid;gap:10px;padding:18px 0;border-block:1px solid rgba(255,255,255,.12)}
.viz__specs div{display:flex;justify-content:space-between;gap:16px;font-size:13.5px}
.viz__specs dt{color:rgba(255,255,255,.55)}
.viz__specs dd{margin:0;font-weight:600;color:#fff}
.viz__cta{display:flex;flex-wrap:wrap;gap:12px}

/* ==========================================================================
   SIGNATURE — Swatch cursor (desktop, over the visualiser)
   ========================================================================== */
.cursor-dot{
  position:fixed;top:0;left:0;width:36px;height:36px;border-radius:50%;z-index:500;
  pointer-events:none;opacity:0;transform:translate(-50%,-50%) scale(.5);
  border:2px solid #fff;box-shadow:0 4px 18px rgba(0,0,0,.35);
  transition:opacity .3s var(--ease),transform .3s var(--ease),background .5s var(--ease)
}
.cursor-dot.is-on{opacity:1;transform:translate(-50%,-50%) scale(1)}
@media (hover:none),(pointer:coarse){.cursor-dot{display:none}}

/* ==========================================================================
   Mobile carousels — horizontal snap scrolling
   ========================================================================== */
.snap-hint{display:none;align-items:center;gap:8px;font-size:12.5px;color:var(--stone);margin-top:14px;justify-content:center}
.snap-hint svg{width:15px;height:15px;color:var(--gold);animation:nudge 1.6s ease-in-out infinite}
@keyframes nudge{0%,100%{transform:translateX(0)}50%{transform:translateX(5px)}}

/* ==========================================================================
   RESPONSIVE — mobile-first refinements over the desktop base above
   Breakpoints: 1280 / 1080 / 900 / 760 / 600 / 420 + short & landscape
   ========================================================================== */

/* --- fluid rhythm ------------------------------------------------------- */
.section{padding:clamp(56px,7vw,100px) 0}
.section--tight{padding:clamp(44px,5vw,72px) 0}
.container{padding-inline:clamp(16px,4vw,24px)}
.grid,.products,.usp,.quotes{gap:clamp(16px,2.2vw,28px)}

/* --- >1280: rail appears ------------------------------------------------ */
@media(min-width:1281px){
  .rail{display:flex}
}

/* --- <=1280 ------------------------------------------------------------- */
@media(max-width:1280px){
  :root{--container:1120px}
  .about__grid,.viz__grid{gap:40px}
  .hero__card{right:88px;bottom:120px;width:250px}
}

/* --- <=1080: three-up becomes two-up ------------------------------------ */
@media(max-width:1080px){
  .products,.usp,.quotes,.process{grid-template-columns:repeat(2,1fr)}
  .process::before{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .about__grid,.intro__grid,.lead__grid,.viz__grid{grid-template-columns:1fr;gap:clamp(32px,5vw,48px)}
  .about__media img{height:min(56vw,460px)}
  .about__media::after{display:none}
  .about__badge{left:auto;right:14px;bottom:14px;padding:14px 16px;max-width:168px}
  .about__badge b{font-size:22px}
  .about__badge span{font-size:10.5px;letter-spacing:.08em}
  .viz__swatches{grid-template-columns:repeat(8,1fr)}
  .viz__stage{order:-1}
  .footer__grid{grid-template-columns:1fr 1fr;gap:36px}
  .sec-head{align-items:flex-start}
}

/* --- <=1140: tighten the mega panels so they stay one row high ----------- */
@media(max-width:1140px){
  .mega__inner{gap:20px;padding-top:24px;padding-bottom:26px}
  .mega__inner--products{grid-template-columns:1.1fr .95fr .75fr 1fr}
  .mega__inner--catalogue{grid-template-columns:1.05fr 1.05fr .9fr}
  .mega__item{gap:10px;padding:8px}
  .mega__ico{width:30px;height:30px}
  .mega__txt b{font-size:13.5px}
  .mega__promo{padding:18px 16px}
  .mega__promo-title{font-size:17.5px}
  .mega__chips i{width:20px;height:20px}
}

/* --- <=900: drawer nav, mobile action bar ------------------------------- */
@media(max-width:900px){
  :root{--header-h:64px}
  .topbar{height:auto;padding:7px 0;font-size:12px}
  .topbar .container{justify-content:center}
  .topbar__left .topbar__item:nth-child(2),.topbar__promo,.topbar__socials{display:none}
  .nav,.header__actions .btn{display:none}
  .header__actions{margin-left:auto}   /* .nav carried the auto margin — push the icons to the edge */
  .burger{display:grid}
  .hero__card,.hero__scroll{display:none}
  .hero .container{padding-bottom:96px}
  .mobile-bar{display:grid}
  .fab{bottom:calc(70px + env(safe-area-inset-bottom,0px));right:12px;gap:8px}
  .fab a{display:none}            /* call + chat live in .mobile-bar instead */
  .fab button{width:42px;height:42px;background:rgba(20,21,23,.82);backdrop-filter:blur(6px)}
  .fab__tip{display:none}
  body{padding-bottom:calc(58px + env(safe-area-inset-bottom,0px))}
  .sec-head{flex-direction:column;gap:18px}
  .quotes{grid-template-columns:1fr}
  .quote{padding:26px 22px}
}

/* --- <=760: single column, snap carousels ------------------------------- */
@media(max-width:760px){
  .products,.usp,.process,.footer__grid,.field-row{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}

  /* products scroll horizontally instead of stacking six tall cards */
  .products{
    display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;
    padding:4px 4px 18px;margin-inline:calc(clamp(16px,4vw,24px) * -1);
    padding-inline:clamp(16px,4vw,24px);scrollbar-width:none
  }
  .products::-webkit-scrollbar{display:none}
  .products .card{flex:0 0 78%;scroll-snap-align:center}
  .products .card.is-hidden{display:none}
  .snap-hint{display:flex}
  .card__hover{transform:none;opacity:1;position:static;background:none;padding:0 22px 22px}
  .card__hover .btn--light{--fg:var(--ink);--bd:rgba(20,21,23,.28)}
  .card__fav{opacity:1;transform:none}

  .filters{gap:6px;overflow-x:auto;justify-content:flex-start;scrollbar-width:none;
    margin-inline:calc(clamp(16px,4vw,24px) * -1);padding-inline:clamp(16px,4vw,24px)}
  .filters::-webkit-scrollbar{display:none}
  .filter{flex:0 0 auto;padding:9px 16px}

  .viz__swatches{grid-template-columns:repeat(6,1fr)}
  .viz__cta .btn{flex:1 1 100%}
  .banner{min-height:auto}
  .banner .container{padding-block:64px}
  .form{padding:24px 20px}
  .footer{padding-top:56px}
  .footer__bottom{flex-direction:column;text-align:center;gap:8px}
}

/* --- <=600 -------------------------------------------------------------- */
@media(max-width:600px){
  .hero .container{padding-top:calc(var(--header-h) + 24px)}
  .hero h1{font-size:clamp(30px,8.4vw,40px)}
  .hero__cta{gap:10px}
  .hero__cta .btn{flex:1 1 100%;padding:14px 22px}
  .hero__badges{gap:10px 18px}
  .hero__badge{font-size:12.5px;flex:1 1 100%}
  .hero__dots{left:clamp(16px,4vw,24px);bottom:32px}
  .intro__quote{font-size:clamp(19px,5.2vw,24px)}
  .products .card{flex-basis:86%}
  .viz__now{gap:12px}
  .viz__chip{width:52px;height:52px}
  .viz__name{font-size:20px}
  .quote__by{gap:11px}
  .modal__box{padding:24px 20px}
  .seam::after{width:14px;height:14px;top:-7px}
}

/* --- <=420: tightest phones -------------------------------------------- */
@media(max-width:420px){
  .stat{padding:22px 12px}
  .stat__label{font-size:11px;letter-spacing:.1em}
  .brand__tag{display:none}
  .brand__name{font-size:18px}
  .viz__swatches{grid-template-columns:repeat(3,1fr);gap:12px}
  .mobile-bar a{font-size:10px;padding:9px 4px}
  .products .card{flex-basis:90%}
}

/* --- short viewports / phone landscape ---------------------------------- */
@media(max-height:640px) and (min-width:761px){
  .hero{min-height:640px}
}
@media(orientation:landscape) and (max-height:520px){
  .hero{min-height:auto}
  .hero .container{padding-top:calc(var(--header-h) + 28px);padding-bottom:56px}
  .hero__badges{display:none}
  .mobile-bar{display:none}
  body{padding-bottom:0}
}

/* --- touch devices: no hover-only affordances --------------------------- */
@media(hover:none){
  .card:hover{transform:none}
  .card__hover{opacity:1;transform:none}
  .btn:hover{transform:none}
  .icon-btn:hover{transform:none}
}

/* --- larger tap targets on coarse pointers ------------------------------ */
@media(pointer:coarse){
  .nav__link,.dropdown a,.footer li a{padding-block:12px}
  .faq__btn{padding-block:20px}
  .sw{min-height:44px}
}

/* --- iOS safe areas ------------------------------------------------------ */
.mobile-bar{padding-bottom:env(safe-area-inset-bottom,0px)}
@supports(padding:max(0px)){
  .container{padding-left:max(clamp(16px,4vw,24px),env(safe-area-inset-left));
             padding-right:max(clamp(16px,4vw,24px),env(safe-area-inset-right))}
}

/* --- print --------------------------------------------------------------- */
@media print{
  .header,.topbar,.fab,.mobile-bar,.rail,.modal,.hero__dots,.search-overlay,.drawer,.overlay,.seam{display:none!important}
  body{padding:0}
  .hero{min-height:auto;color:#000}
}

/* ==========================================================================
   TYPOGRAPHY — Vietnamese-first tuning
   Vietnamese stacks two marks on one vowel (ế ữ ộ ậ ằ ổ), so display type
   needs looser leading and no clipping mask. Body face is Be Vietnam Pro,
   drawn for exactly these marks; headings use Fraunces for editorial weight.
   ========================================================================== */

/* Fraunces is variable — keep it upright and architectural rather than quirky */
.h-display,.h-section,.hero h1,.banner h2,.intro__quote,
.viz__name,.stat__num,.about__badge b,.form h3,.modal__box h3,.faq h2{
  font-family:var(--ff-display);
  font-variation-settings:"SOFT" 0,"WONK" 0;
  font-weight:600;
  font-synthesis-weight:none;
}

/* headings sit optically better slightly tighter than the serif default */
.h-display,.h-section,.hero h1,.banner h2{letter-spacing:-.012em}

/* UI text stays in the sans so specs, forms and nav read cleanly */
.card__name,.usp__card h3,.step h3,.footer h4,.quote__by b,.faq__btn,
.brand__name,.btn,.nav__link,.filter,.field label{font-family:var(--ff)}

/* uppercase Vietnamese puts marks above cap height — give them air */
.eyebrow,.card__code,.stat__label,.footer h4,.viz__code,.partners span{
  line-height:1.6;
}

/* the hero's masked line reveal must not shear the marks off the top;
   the padding enlarges the mask box, the negative margin keeps the rhythm */
.reveal-lines .rl{padding-block:.14em;margin-block:-.14em}

/* numerals: aligned columns in the spec tables, lining figures everywhere */
.spec,.viz__specs,.stat__num,.footer__contact{font-variant-numeric:tabular-nums lining-nums}

/* Be Vietnam Pro runs a touch large — settle body copy back down */
body{font-size:15.5px;line-height:1.72}
.lead{font-size:16.5px;line-height:1.75}

/* serif numerals in the stat row look better a little tighter */
.stat__num{letter-spacing:-.02em}