/*
Theme Name: RRR One Page
Theme URI: https://rrr.com.vn/
Author: RRR
Description: Theme one-page 3 ngon ngu (VI / EN / JA) cho cong ty gia cong co khi chinh xac RRR. Bo cuc mo phong cau truc landing page cong nghiep: hero video, business, product processing, equipment list, strengths, company profile, inquiry form.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: rrr
*/

/* =========================================================
   0. TOKENS
   ========================================================= */
:root{
  --red:#e60711;
  --red-dark:#c00510;
  --ink:#22252a;
  --ink-2:#1b1e23;
  --grey-1:#f0f2f5;
  --grey-2:#e4e7ec;
  --grey-3:#8a9099;
  --white:#fff;
  --font-head:'Poppins','Noto Sans JP',sans-serif;
  --font-body:'Noto Sans','Noto Sans JP',sans-serif;
  --header-h:65px;
  --header-h-top:118px;
  --wrap:1200px;
  --pad:clamp(20px,5vw,64px);
  --ease:cubic-bezier(.22,.61,.36,1);
}
html[lang^="ja"]{--font-head:'Noto Sans JP','Poppins',sans-serif;--font-body:'Noto Sans JP','Noto Sans',sans-serif;}

/* =========================================================
   1. RESET
   ========================================================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:var(--header-h)}
body{margin:0;font-family:var(--font-body);font-size:15px;line-height:1.75;color:var(--ink);background:var(--white);overflow-x:hidden;-webkit-font-smoothing:antialiased}
img,video{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,figure,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid var(--red);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.wrap{width:min(100% - var(--pad)*2,var(--wrap));margin-inline:auto}

/* =========================================================
   2. HEADER
   ========================================================= */
.header{position:fixed;inset:0 0 auto;z-index:100;height:var(--header-h-top);display:flex;align-items:center;transition:height .35s var(--ease),background-color .35s var(--ease),box-shadow .35s var(--ease)}
.header::before{content:"";position:absolute;inset:0;background:var(--ink);opacity:0;transition:opacity .35s var(--ease)}
.header.is-stuck{height:var(--header-h)}
.header.is-stuck::before{opacity:1}
.header.is-stuck{box-shadow:0 2px 18px rgba(0,0,0,.28)}
.header__inner{position:relative;z-index:1;width:100%;padding-inline:clamp(16px,3vw,32px);display:flex;align-items:center;gap:clamp(12px,2vw,28px)}
.brand{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.brand__logo{width:clamp(126px,12vw,168px)}
.brand__sep{width:1px;height:38px;background:rgba(255,255,255,.35)}
.brand__certs{display:flex;gap:8px;opacity:0;transform:translateY(-6px);transition:opacity .35s var(--ease),transform .35s var(--ease);pointer-events:none}
.header.is-stuck .brand__certs{opacity:1;transform:none;pointer-events:auto}
.brand__certs img{width:44px;height:44px;border-radius:4px}

.nav{margin-left:auto;display:flex;align-items:center;gap:clamp(14px,2.2vw,34px)}
.nav__list{display:flex;align-items:center;gap:clamp(14px,2.2vw,34px)}
.nav__link{font-family:var(--font-head);font-weight:600;font-size:15px;color:#fff;position:relative;padding:6px 0;white-space:nowrap}
.nav__link::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--red);transition:right .3s var(--ease)}
.nav__link:hover::after,.nav__link.is-active::after{right:0}

.lang{display:flex;align-items:center;gap:8px;color:#fff}
.lang__icon{width:18px;height:18px;flex:0 0 auto}
.lang__link{font-family:var(--font-head);font-weight:700;font-size:14px;letter-spacing:.02em;opacity:.85}
.lang__link:hover{opacity:1}
.lang__link.is-current{color:var(--red);opacity:1}

.btn-contact{display:inline-flex;align-items:center;gap:10px;background:var(--red);color:#fff;font-family:var(--font-head);font-weight:600;font-size:15px;padding:14px 30px;border-radius:999px;transition:background-color .25s var(--ease),transform .25s var(--ease)}
.btn-contact:hover{background:var(--red-dark);transform:translateY(-2px)}
.btn-contact svg{width:18px;height:18px}

.burger{display:none;width:44px;height:44px;margin-left:auto;position:relative;z-index:120}
.burger span{position:absolute;left:10px;right:10px;height:2px;background:#fff;transition:transform .3s var(--ease),opacity .2s var(--ease)}
.burger span:nth-child(1){top:15px}
.burger span:nth-child(2){top:21px}
.burger span:nth-child(3){top:27px}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* =========================================================
   3. HERO
   ========================================================= */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;background:#5c6169;color:#fff}
.hero__media{position:absolute;inset:0}
.hero__media video,.hero__media img{width:100%;height:100%;object-fit:cover}
.hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,23,28,.72) 0%,rgba(20,23,28,.5) 40%,rgba(20,23,28,.78) 100%)}
.hero__grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:36px 36px;mix-blend-mode:overlay}
.hero__cut{position:absolute;pointer-events:none}
.hero__cut--tl{top:0;left:0;width:min(46vw,620px);aspect-ratio:1/.42;background:linear-gradient(115deg,var(--ink) 0 46%,var(--red) 46% 62%,transparent 62%)}
.hero__cut--br{right:0;bottom:0;width:min(38vw,520px);aspect-ratio:1/.5;background:linear-gradient(295deg,var(--red) 0 55%,var(--ink) 55% 72%,transparent 72%)}
.hero__body{position:relative;z-index:2;width:100%;padding:0 var(--pad) clamp(64px,12vh,140px)}
.hero__eyebrow{display:flex;align-items:center;gap:22px;font-family:var(--font-head);font-weight:700;font-size:clamp(18px,2vw,26px);margin-bottom:6px}
.hero__eyebrow::after{content:"";width:clamp(70px,10vw,150px);height:2px;background:#fff}
.hero__headline{display:flex;flex-wrap:wrap;align-items:flex-end;gap:clamp(16px,3vw,44px)}
.hero__title{font-family:var(--font-head);font-weight:800;letter-spacing:-.01em;line-height:.94;font-size:clamp(46px,9vw,124px);background:linear-gradient(180deg,#fff 8%,#c9ccd1 55%,#8d9299 100%);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 10px 30px rgba(0,0,0,.25)}
.hero__title span{display:block}
.hero__title span:nth-child(2){padding-left:clamp(20px,7vw,150px)}
.hero__title::before{content:"";position:absolute;margin-left:-.16em;margin-top:.12em;width:.09em;height:.5em;background:var(--red);transform:skewX(-16deg);font-size:clamp(46px,9vw,124px)}
.hero__lead{max-width:34ch;font-weight:700;font-size:clamp(14px,1.1vw,16px);line-height:1.6;padding-bottom:clamp(8px,3vw,40px)}
.scrolldown{position:absolute;right:clamp(16px,4vw,64px);bottom:clamp(24px,6vh,64px);width:112px;height:112px;z-index:3;display:grid;place-items:center}
.scrolldown svg{position:absolute;inset:0;width:100%;height:100%;animation:spin 14s linear infinite}
.scrolldown text{font-family:var(--font-head);font-size:11px;font-weight:600;letter-spacing:.22em;fill:#fff}
.scrolldown i{width:1px;height:34px;background:#fff;position:relative}
.scrolldown i::after{content:"";position:absolute;bottom:0;left:-3px;width:7px;height:7px;border-right:1px solid #fff;border-bottom:1px solid #fff;transform:rotate(45deg)}
@keyframes spin{to{transform:rotate(360deg)}}

/* =========================================================
   4. SECTION SHELL
   ========================================================= */
.sec{position:relative;padding:clamp(64px,9vw,120px) 0}
.sec__watermark{position:absolute;left:50%;top:clamp(24px,6vw,80px);transform:translateX(-50%);font-family:var(--font-head);font-weight:800;font-size:clamp(60px,13vw,190px);line-height:1;white-space:nowrap;color:rgba(34,37,42,.045);pointer-events:none;user-select:none;z-index:0}
.sec > .wrap{position:relative;z-index:1}
.sec-title{font-family:var(--font-head);font-weight:800;text-transform:uppercase;line-height:1.05;font-size:clamp(30px,4.6vw,58px);letter-spacing:-.01em}
.sec-title em{font-style:normal;color:var(--red);display:block}
.sec-label{font-weight:700;font-size:14px;letter-spacing:.04em;margin-bottom:10px;color:var(--grey-3)}
.lead{font-size:15px;line-height:1.9}
.lead + .lead{margin-top:1.4em}

/* =========================================================
   5. BUSINESS
   ========================================================= */
.business__top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(24px,4vw,60px);align-items:center}
.business h2{font-family:var(--font-head);font-weight:700;font-size:clamp(26px,3.2vw,40px);line-height:1.3;letter-spacing:-.01em}
.business__red{color:var(--red);font-weight:600;margin:14px 0 22px}
.business__globe{position:relative}
.business__globe img{width:100%;border-radius:12px}

.hotspots{position:relative;margin-top:clamp(32px,5vw,64px);border-radius:16px;overflow:hidden;background:#f7f8fa}
.hotspots img{width:100%}
.hotspots__list{position:absolute;inset:0}
.hotspot{position:absolute;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:6px}
.hotspot b{background:#fff;box-shadow:0 6px 18px rgba(0,0,0,.14);border-radius:6px;padding:8px 16px;font-family:var(--font-head);font-weight:700;font-size:clamp(11px,1.1vw,16px);white-space:nowrap}
.hotspot i{width:11px;height:11px;border-radius:50%;background:var(--red);box-shadow:0 0 0 4px rgba(230,7,17,.22)}
.hotspot i::before{content:"";position:absolute;left:50%;width:1px;height:26px;border-left:1px dashed rgba(34,37,42,.45);transform:translateX(-50%);bottom:-26px}

.strip{margin-top:clamp(32px,5vw,64px);display:grid;grid-auto-flow:column;grid-auto-columns:clamp(230px,22vw,300px);gap:20px;overflow-x:auto;padding-inline:var(--pad);scroll-snap-type:x mandatory;scrollbar-width:none}
.strip::-webkit-scrollbar{display:none}
.strip figure{scroll-snap-align:center;border-radius:10px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.12);aspect-ratio:16/11}
.strip img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.strip figure:hover img{transform:scale(1.06)}

/* =========================================================
   6. VIDEO SECTION
   ========================================================= */
.sec-video{background:var(--ink);color:#fff}
.sec-video .sec__watermark{color:rgba(255,255,255,.05)}
.sec-video .sec-label{color:rgba(255,255,255,.55)}
.videos{margin-top:clamp(28px,4vw,52px);display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:clamp(20px,3vw,36px)}
.vcard{position:relative;border-radius:14px;overflow:hidden;background:#000}
.vcard video{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.vcard__play{position:absolute;inset:0;display:grid;place-items:center;background:rgba(20,23,28,.42);transition:opacity .3s var(--ease)}
.vcard.is-playing .vcard__play{opacity:0;pointer-events:none}
.vcard__play span{width:74px;height:74px;border-radius:50%;background:var(--red);display:grid;place-items:center;box-shadow:0 10px 30px rgba(230,7,17,.45);transition:transform .25s var(--ease)}
.vcard__play:hover span{transform:scale(1.08)}
.vcard__play svg{width:24px;height:24px;fill:#fff;margin-left:4px}
.vcard__cap{padding:18px 20px 22px}
.vcard__cap b{display:block;font-family:var(--font-head);font-weight:700;font-size:17px}
.vcard__cap p{color:rgba(255,255,255,.62);font-size:14px;margin-top:4px}

/* =========================================================
   7. PRODUCT PROCESSING (dark slider)
   ========================================================= */
.sec-product{position:relative;color:#fff;background:#15181c;overflow:hidden;padding:clamp(64px,8vw,110px) 0}
.sec-product__bg{position:absolute;inset:0}
.sec-product__bg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.sec-product__bg::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 90% at 20% 40%,rgba(10,12,15,.86),rgba(10,12,15,.55))}
.sec-product > .wrap{position:relative;z-index:2}
.product__head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:24px}
.product__head .sec-label{color:rgba(255,255,255,.72)}
.product__nav{display:flex;align-items:center;gap:14px}
.product__bar{width:clamp(60px,10vw,140px);height:2px;background:rgba(255,255,255,.25);position:relative}
.product__bar span{position:absolute;left:0;top:0;height:100%;background:var(--red);transition:width .4s var(--ease)}
.product__nav button{width:36px;height:36px;border:1px solid rgba(255,255,255,.5);display:grid;place-items:center;transition:background-color .25s var(--ease),border-color .25s var(--ease)}
.product__nav button:hover{background:var(--red);border-color:var(--red)}
.product__nav svg{width:14px;height:14px;stroke:#fff;fill:none;stroke-width:2}
.product__desc{max-width:44ch;font-weight:700;line-height:1.9;margin-top:clamp(28px,5vw,64px)}
.slider{margin-top:clamp(24px,4vw,44px);overflow:hidden}
.slider__track{display:flex;gap:clamp(24px,4vw,64px);transition:transform .55s var(--ease);will-change:transform}
.pslide{flex:0 0 clamp(220px,24vw,300px);text-align:center}
.pslide__num{font-family:var(--font-head);font-weight:400;font-style:italic;font-size:clamp(44px,5.4vw,72px);line-height:1;color:rgba(255,255,255,.92)}
.pslide__img{margin:18px 0 14px;border-radius:8px;overflow:hidden;aspect-ratio:4/3}
.pslide__img img{width:100%;height:100%;object-fit:cover}
.pslide b{font-family:var(--font-head);font-weight:700;font-size:clamp(14px,1.3vw,17px);line-height:1.4;display:block}

/* =========================================================
   8. EQUIPMENT
   ========================================================= */
.sec-equip{background:var(--grey-1);background-image:radial-gradient(rgba(34,37,42,.14) 1px,transparent 1px);background-size:22px 22px}
.sec-equip .sec-title{text-align:center}
.equip{margin-top:clamp(28px,4vw,52px);overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:6px;box-shadow:0 14px 40px rgba(34,37,42,.12)}
.equip table{min-width:720px;background:var(--ink);color:#fff;font-size:14px}
.equip th{background:var(--red);font-family:var(--font-head);font-weight:700;text-align:left;padding:16px 20px;font-size:15px}
.equip td{padding:13px 20px;border-top:1px solid rgba(255,255,255,.08);font-weight:600}
.equip tbody tr:nth-child(even){background:rgba(255,255,255,.045)}
.equip td:last-child,.equip th:last-child{text-align:center}

/* =========================================================
   9. STRENGTHS
   ========================================================= */
.sec-strength{overflow:hidden;text-align:center}
.sec-strength .sec-title{color:var(--red)}
.sgrid{margin-top:clamp(32px,5vw,64px);display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:clamp(24px,3vw,48px);text-align:center}
.scard h3{font-family:var(--font-head);font-weight:700;font-size:clamp(19px,1.8vw,24px);margin-bottom:14px}
.scard__img{border-radius:10px;overflow:hidden;aspect-ratio:16/10;margin-bottom:20px}
.scard__img img{width:100%;height:100%;object-fit:cover}
.scard p{font-size:14px;line-height:1.9;color:#42474e}
.dots{display:flex;justify-content:center;gap:10px;margin-top:clamp(28px,4vw,44px)}
.dots button{width:38px;height:3px;background:var(--grey-2)}
.dots button.is-active{background:var(--red)}

/* =========================================================
   10. COMPANY
   ========================================================= */
.sec-company{position:relative;color:#fff;overflow:hidden;padding:clamp(64px,9vw,130px) 0}
.sec-company__bg{position:absolute;inset:0;background:var(--red)}
.sec-company__bg img{width:100%;height:100%;object-fit:cover;opacity:.22;mix-blend-mode:luminosity}
.company__intro{position:relative;z-index:2;background:linear-gradient(120deg,#0d1730,#111a2e);border-radius:14px;padding:clamp(24px,4vw,48px);overflow:hidden;margin-bottom:clamp(40px,6vw,80px)}
.company__intro img{position:absolute;right:0;top:0;height:100%;width:52%;object-fit:cover;opacity:.5}
.company__intro > div{position:relative;z-index:1;max-width:56ch}
.company__intro h3{font-family:var(--font-head);font-weight:700;font-size:clamp(20px,2.2vw,28px);margin-bottom:16px}
.company__intro p{font-size:14.5px;line-height:1.95;color:rgba(255,255,255,.86)}
.company__main{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:clamp(28px,4vw,60px);align-items:center}
.profile{margin-top:clamp(22px,3vw,40px)}
.profile__row{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.35);font-size:14.5px}
.profile__row dt{font-family:var(--font-head);font-weight:700}
.profile__row dd{margin:0;line-height:1.8}
.profile__row dd b{display:block;font-weight:700}
.company__photo{aspect-ratio:1/1;border-radius:50%;overflow:hidden;border:6px solid rgba(255,255,255,.35)}
.company__photo img{width:100%;height:100%;object-fit:cover}

/* =========================================================
   11. FORM
   ========================================================= */
.sec-form{background:#fbfbfc;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='800' height='400'%3E%3Cg stroke='%23e6e9ee' fill='none'%3E%3Cpath d='M0 300 L160 210 L340 280 L520 170 L700 250 L800 190'/%3E%3Cpath d='M0 360 L200 300 L380 350 L560 260 L760 330'/%3E%3C/g%3E%3C/svg%3E");background-position:center bottom;background-repeat:no-repeat;background-size:cover}
.sec-form .sec-title{text-align:center}
.steps{display:flex;align-items:center;justify-content:center;gap:14px;margin:clamp(28px,4vw,44px) 0}
.steps div{width:96px;height:96px;border-radius:50%;border:2px solid var(--grey-2);display:grid;place-content:center;text-align:center;font-size:12px;font-weight:700;color:var(--grey-3);line-height:1.5}
.steps div.is-active{border-color:var(--red);color:var(--ink)}
.steps span{color:var(--grey-2);font-size:22px}
.form{max-width:830px;margin-inline:auto}
.field{display:grid;grid-template-columns:215px 1fr;gap:20px;align-items:start;margin-bottom:20px}
.field > label{font-family:var(--font-head);font-weight:700;font-size:15px;padding-top:11px;display:flex;gap:8px;align-items:baseline;flex-wrap:wrap;line-height:1.35}
.field small{display:block;font-weight:400;color:var(--grey-3);font-size:12px;line-height:1.5}
.req{background:#ffe680;color:#6a5200;font-size:11px;font-weight:700;border-radius:3px;padding:2px 7px}
.field input[type=text],.field input[type=email],.field input[type=tel],.field textarea{width:100%;border:1px solid var(--grey-2);border-radius:4px;padding:12px 14px;font:inherit;background:#fff;transition:border-color .2s var(--ease)}
.field input:focus,.field textarea:focus{border-color:var(--red);outline:none}
.field input.is-short{max-width:430px}
.field textarea{min-height:120px;resize:vertical}
.checks{display:flex;flex-wrap:wrap;gap:12px 26px;padding-top:8px}
.checks label{display:flex;align-items:center;gap:9px;font-size:14px;cursor:pointer}
.checks input{width:20px;height:20px;accent-color:var(--red)}
.notice{border:1px solid var(--grey-2);border-radius:4px;background:#fff;padding:20px 22px;font-size:14px;line-height:1.8;color:#4a4f57;margin:26px 0 22px}
.agree{display:flex;justify-content:center;align-items:center;gap:10px;font-size:14px;margin-bottom:24px;cursor:pointer}
.agree input{width:20px;height:20px;accent-color:var(--red)}
.submit{display:block;width:min(100%,330px);margin-inline:auto;background:var(--grey-3);color:#fff;font-family:var(--font-head);font-weight:700;font-size:17px;padding:20px;border-radius:6px;transition:background-color .25s var(--ease)}
.submit:enabled{background:var(--red);cursor:pointer}
.submit:enabled:hover{background:var(--red-dark)}
.submit:disabled{cursor:not-allowed}

/* =========================================================
   12. FOOTER
   ========================================================= */
.footer{background:#000;color:#fff;text-align:center;padding:20px;font-size:13px;font-weight:600}

/* =========================================================
   13. REVEAL
   ========================================================= */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .scrolldown svg{animation:none}
  html{scroll-behavior:auto}
}

/* =========================================================
   14. RESPONSIVE
   ========================================================= */
@media (max-width:1080px){
  .business__top,.company__main{grid-template-columns:1fr}
  .company__photo{max-width:460px;margin-inline:auto}
  .hotspot b{font-size:10px;padding:5px 9px}
}
@media (max-width:860px){
  :root{--header-h-top:70px;--header-h:60px}
  .burger{display:block}
  .brand__sep,.brand__certs{display:none}
  .nav{position:fixed;inset:0;background:var(--ink);flex-direction:column;justify-content:center;gap:26px;transform:translateX(100%);transition:transform .4s var(--ease);margin:0}
  .nav.is-open{transform:none}
  .nav__list{flex-direction:column;gap:22px}
  .nav__link{font-size:20px}
  .btn-contact{padding:13px 26px}
  .hero__title span:nth-child(2){padding-left:8vw}
  .scrolldown{display:none}
  .field{grid-template-columns:1fr;gap:8px}
  .field > label{padding-top:0}
  .steps div{width:78px;height:78px;font-size:11px}
  .profile__row{grid-template-columns:1fr;gap:4px}
  .company__intro img{display:none}
}


/* =========================================================
   12. PRODUCTS CATALOG (them 07/09/2026)
   ========================================================= */
.sec-catalog{position:relative;padding:clamp(64px,8vw,110px) 0;background:var(--grey-1)}
.sec-catalog > .wrap{position:relative;z-index:1}
.catalog__intro{max-width:860px;margin:18px 0 clamp(26px,4vw,46px);font-size:16px;color:#4a4f57}
.cat{border:1px solid var(--grey-2);background:#fff;border-radius:10px;margin-bottom:18px;overflow:hidden;box-shadow:0 8px 26px rgba(20,23,28,.06);scroll-margin-top:calc(var(--header-h) + 16px)}
.cat > summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:clamp(12px,1.6vw,18px);padding:clamp(16px,2.2vw,24px) clamp(18px,2.6vw,30px);font-family:var(--font-head)}
.cat > summary::-webkit-details-marker{display:none}
.cat > summary:hover{background:var(--grey-1)}
.cat__no{font-weight:800;font-size:clamp(20px,2.4vw,30px);color:var(--red);line-height:1;flex:0 0 auto}
.cat > summary b{font-weight:700;font-size:clamp(16px,1.9vw,24px);flex:1;line-height:1.3}
.cat__arrow{flex:0 0 auto;width:13px;height:13px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(45deg) translate(-3px,-3px);transition:transform .3s var(--ease)}
.cat[open] .cat__arrow{transform:rotate(-135deg)}
.cat__body{padding:0 clamp(18px,2.6vw,30px) clamp(22px,3vw,34px)}
.cat__note{margin:0 0 18px;font-size:14.5px;color:#5a6069}
.cgrid{display:grid;gap:clamp(16px,2vw,26px);grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.ccard{background:#fff;border:1px solid var(--grey-2);border-radius:8px;overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.ccard:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(20,23,28,.13)}
.ccard__img{aspect-ratio:16/9;overflow:hidden;background:#0f1114}
.ccard__img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.ccard:hover .ccard__img img{transform:scale(1.05)}
.ccard__body{padding:15px 18px 20px}
.ccard__body b{display:block;font-family:var(--font-head);font-weight:700;font-size:16.5px;margin-bottom:6px;line-height:1.35}
.ccard__body p{font-size:14px;color:#5a6069;line-height:1.7}
.ccard--soon{display:grid;place-items:center;text-align:center;padding:34px 18px;border-style:dashed;color:var(--grey-3);font-family:var(--font-head);font-weight:600;font-size:15px;min-height:180px}

/* dropdown menu san pham */
.nav__list li.has-sub{position:relative}
.nav__sub{position:absolute;left:-16px;top:100%;min-width:236px;background:#fff;border-radius:8px;box-shadow:0 16px 36px rgba(0,0,0,.24);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s}
.nav__list li.has-sub:hover .nav__sub,.nav__list li.has-sub:focus-within .nav__sub{opacity:1;visibility:visible;transform:none}
.nav__sub a{display:block;padding:9px 20px;font-family:var(--font-head);font-size:14px;font-weight:600;color:var(--ink);white-space:nowrap}
.nav__sub a:hover{background:var(--grey-1);color:var(--red)}
@media (max-width:860px){
  .nav__sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:transparent;padding:6px 0 0;min-width:0}
  .nav__sub a{color:#fff;opacity:.8;padding:6px 0 6px 18px;font-size:16px;text-align:center}
  .nav__sub a:hover{background:transparent}
  .nav__list li.has-sub{text-align:center}
}
/* luoi anh san pham (khong chu) */
.cgrid--photo{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.cgrid--photo .ccard__img{aspect-ratio:4/3}
.cgrid--photo .ccard{border-radius:6px}
[hidden]{display:none!important}

/* =========================================================
   13. HOTLINE + ZALO (them 07/09/2026)
   ========================================================= */
.fab{position:fixed;right:18px;bottom:18px;z-index:120;display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.fab__btn{position:relative;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 8px 22px rgba(0,0,0,.28);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.fab__btn:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 12px 28px rgba(0,0,0,.34)}
.fab__btn--call{background:var(--red)}
.fab__btn--zalo{background:#0068ff;font-family:var(--font-head);font-weight:800;font-size:15px;letter-spacing:.01em}
.fab__btn svg{width:26px;height:26px;fill:#fff}
.fab__btn::after{content:attr(data-label);position:absolute;right:64px;top:50%;transform:translateY(-50%) translateX(6px);background:var(--ink);color:#fff;font-family:var(--font-head);font-weight:600;font-size:13px;padding:7px 13px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .25s var(--ease),transform .25s var(--ease)}
.fab__btn:hover::after{opacity:1;transform:translateY(-50%)}
.fab__ring{position:absolute;inset:-6px;border-radius:50%;border:2px solid currentColor;opacity:.55;animation:fabRing 1.8s infinite}
.fab__btn--call .fab__ring{color:var(--red)}
@keyframes fabRing{0%{transform:scale(.85);opacity:.6}70%{transform:scale(1.25);opacity:0}100%{opacity:0}}
@media (prefers-reduced-motion:reduce){.fab__ring{animation:none}}
@media (max-width:860px){
  .fab{right:12px;bottom:12px;gap:10px}
  .fab__btn{width:48px;height:48px}
  .fab__btn::after{display:none}
}

/* =========================================================
   14. PHIEU BAO GIA 3 BUOC (them 07/09/2026)
   ========================================================= */
.steps div.is-done{border-color:var(--red);color:var(--red);opacity:.75}
.confirm{margin-top:8px}
.confirm__h{font-family:var(--font-head);font-weight:700;font-size:clamp(16px,1.8vw,20px);text-align:center;margin-bottom:22px}
.confirm dl{margin:0;display:grid;grid-template-columns:minmax(150px,220px) 1fr;border-top:1px solid var(--grey-2)}
.confirm dt,.confirm dd{padding:14px 16px;border-bottom:1px solid var(--grey-2);margin:0}
.confirm dt{font-family:var(--font-head);font-weight:600;font-size:14px;color:#5a6069;background:var(--grey-1)}
.confirm dd{font-size:15px;word-break:break-word;white-space:pre-line}
.confirm dd.is-empty{color:var(--grey-3)}
.confirm__actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:28px}
.btn-back{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--grey-2);color:var(--ink);font-family:var(--font-head);font-weight:600;font-size:15px;padding:14px 28px;border-radius:999px;transition:background-color .25s var(--ease)}
.btn-back:hover{background:var(--grey-1)}
.done{text-align:center;padding:clamp(28px,5vw,54px) 20px}
.done__icon{width:74px;height:74px;border-radius:50%;background:var(--red);display:grid;place-items:center;margin:0 auto 22px}
.done__icon svg{width:36px;height:36px;fill:none;stroke:#fff;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.done--fail .done__icon{background:var(--ink)}
.done h3{font-family:var(--font-head);font-weight:800;font-size:clamp(20px,2.6vw,30px);margin-bottom:12px}
.done p{max-width:620px;margin:0 auto;color:#5a6069}
@media (max-width:600px){
  .confirm dl{grid-template-columns:1fr}
  .confirm dt{border-bottom:0;padding-bottom:0;background:transparent}
  .confirm dd{padding-top:6px}
}

/* ===== Nut xem them cho luoi anh san pham (07/09/2026) ===== */
.more-wrap{display:flex;justify-content:center;margin-top:20px}
.more-btn{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--grey-2);border-radius:999px;padding:11px 26px;font-family:var(--font-head);font-weight:600;font-size:14.5px;color:var(--ink);transition:background-color .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease)}
.more-btn:hover{background:var(--grey-1);border-color:var(--red);color:var(--red)}
.more-btn i{width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translate(-2px,-2px);transition:transform .3s var(--ease)}
.more-btn.is-open i{transform:rotate(-135deg) translate(-2px,-2px)}