/* ==========================================================================
   Logix — main stylesheet
   System font stack (không nạp web-font => không render-blocking, nhanh).
   ========================================================================== */

:root{
	--logix-primary:#0b63f6;
	--logix-dark:#0a2540;
	--logix-accent:#ff6b35;
	--c-text:#1d2939;
	--c-muted:#667085;
	--c-line:#e4e7ec;
	--c-bg:#ffffff;
	--c-bg-soft:#f7f9fc;
	--radius:14px;
	--radius-sm:9px;
	--shadow:0 4px 20px rgba(16,24,40,.08);
	--shadow-lg:0 18px 50px rgba(16,24,40,.14);
	--container:1200px;
	--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji";
	--gap:24px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--c-text);background:var(--c-bg);line-height:1.6;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:var(--logix-primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--logix-dark)}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;color:var(--c-text);font-weight:700}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:84px 0}
.section--dark{background:var(--logix-dark);color:#cdd7e4}
.section--dark .section__title,.section--dark h3,.section--dark h4{color:#fff}
.section--accentbg{background:linear-gradient(135deg,var(--logix-dark),#11365c);color:#dbe5f1}
.section--accentbg .section__title{color:#fff}

.section__head{max-width:680px;margin:0 auto 52px;text-align:center}
.section__eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--logix-primary);margin-bottom:12px}
.section--dark .section__eyebrow,.section--accentbg .section__eyebrow{color:var(--logix-accent)}
.section__title{font-size:clamp(26px,3.4vw,40px)}
.section__lead{color:var(--c-muted);font-size:17px;margin:0}
.section--dark .section__lead,.section--accentbg .section__lead{color:#aebfd2}

.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}
.skip-link{position:absolute;left:-999px;top:0;z-index:1000;background:#fff;padding:10px 16px}
.skip-link:focus{left:8px;top:8px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:15px;padding:12px 22px;border-radius:var(--radius-sm);border:2px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s,border-color .2s;line-height:1;text-align:center}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--logix-primary);color:#fff}
.btn--primary:hover{background:#0a55d6;color:#fff;box-shadow:0 10px 24px rgba(11,99,246,.35)}
.btn--accent{background:var(--logix-accent);color:#fff}
.btn--accent:hover{background:#e85a26;color:#fff;box-shadow:0 10px 24px rgba(255,107,53,.35)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost:hover{background:#fff;color:var(--logix-dark)}
.btn--lg{padding:15px 28px;font-size:16px}
.btn--sm{padding:9px 16px;font-size:14px}
.btn--block{display:flex;width:100%}

/* ---------- Topbar ---------- */
.topbar{background:var(--logix-dark);color:#aebfd2;font-size:13.5px}
.topbar__inner{display:flex;justify-content:space-between;align-items:center;min-height:42px;gap:16px}
.topbar__contacts{display:flex;gap:22px}
.topbar__item{display:inline-flex;align-items:center;gap:7px;color:#cdd7e4}
.topbar__item:hover{color:#fff}
.topbar__item strong{color:#fff}
.topbar__right{display:flex;align-items:center;gap:14px}
.topbar__social{color:#aebfd2;display:inline-flex}
.topbar__social:hover{color:var(--logix-accent)}
.topbar__track{font-weight:600;color:#fff;border:1px solid rgba(255,255,255,.25);padding:5px 12px;border-radius:20px}
.topbar__track:hover{background:var(--logix-accent);border-color:var(--logix-accent);color:#fff}
.lang-switch{display:inline-flex;gap:2px;align-items:center;border:1px solid rgba(255,255,255,.2);border-radius:20px;padding:2px;margin-left:4px}
.lang-switch__item{display:inline-flex;align-items:center;justify-content:center;min-width:30px;padding:3px 8px;border-radius:16px;font-size:12.5px;font-weight:700;color:#aebfd2;line-height:1}
a.lang-switch__item:hover{color:#fff}
.lang-switch__item.is-active{background:var(--logix-accent);color:#fff}
.lang-switch--static .lang-switch__item:not(.is-active){opacity:.55}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.96);backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid var(--c-line);transition:box-shadow .25s}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(16,24,40,.08)}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:24px}
.custom-logo,.custom-logo-link img{max-height:46px;width:auto}
.site-logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:22px;color:var(--c-text)}
.site-logo__mark{display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;background:var(--logix-primary);color:#fff;border-radius:11px}
.site-logo__mark svg{width:26px;height:26px}
.site-logo--light{color:#fff}
.site-logo--light .site-logo__text{color:#fff}

.main-nav__menu{display:flex;gap:6px;align-items:center}
.main-nav__menu li{position:relative}
.main-nav__menu a{display:block;padding:10px 14px;font-weight:600;color:var(--c-text);border-radius:8px;font-size:15.5px}
.main-nav__menu a:hover,.main-nav__menu .current-menu-item>a{color:var(--logix-primary);background:var(--c-bg-soft)}
.main-nav__menu .sub-menu{position:absolute;top:100%;left:0;min-width:210px;background:#fff;box-shadow:var(--shadow-lg);border-radius:12px;padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s;border:1px solid var(--c-line)}
.main-nav__menu li:hover>.sub-menu{opacity:1;visibility:visible;transform:translateY(0)}

.site-header__cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:42px;height:42px;align-items:center;justify-content:center;background:var(--c-bg-soft);border:1px solid var(--c-line);border-radius:10px;cursor:pointer}
.nav-toggle span{width:20px;height:2px;background:var(--c-text);border-radius:2px;transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(125deg,var(--logix-dark) 0%,#0d3a6b 55%,#0b63f6 130%);color:#fff;overflow:hidden;--hero-img:none}
.hero::before{content:"";position:absolute;inset:0;background-image:var(--hero-img);background-size:cover;background-position:center;opacity:.22}
.hero__overlay{position:absolute;inset:0;background:radial-gradient(900px 500px at 80% 0%,rgba(255,107,53,.18),transparent)}
.hero__inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:84px 0 96px}
.hero__badge{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:7px 16px;border-radius:30px;font-size:13.5px;font-weight:600;margin-bottom:20px}
.hero__title{font-size:clamp(32px,4.6vw,54px);color:#fff;letter-spacing:-.01em;margin-bottom:18px}
.hero__sub{font-size:18px;color:#cdd9ea;max-width:560px;margin-bottom:30px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}

.track-box{background:#fff;color:var(--c-text);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-lg)}
.track-box__title{display:flex;align-items:center;gap:9px;font-size:19px;color:var(--logix-dark);margin-bottom:8px}
.track-box__title svg{color:var(--logix-primary)}
.track-box__desc{color:var(--c-muted);font-size:14.5px;margin-bottom:16px}
.track-box__row{display:flex;gap:10px}
.track-box__row input{flex:1;min-width:0;padding:13px 14px;border:1.5px solid var(--c-line);border-radius:10px;font-size:15px;font-family:inherit}
.track-box__row input:focus{outline:none;border-color:var(--logix-primary);box-shadow:0 0 0 3px rgba(11,99,246,.12)}

/* ---------- Stats ---------- */
.stats{background:var(--c-bg-soft);border-bottom:1px solid var(--c-line)}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:46px 0}
.stat{text-align:center}
.stat__num{font-size:clamp(30px,3.6vw,44px);font-weight:800;color:var(--logix-primary);line-height:1}
.stat__label{color:var(--c-muted);font-weight:600;margin-top:8px;font-size:15px}

/* ---------- Services ---------- */
.services__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.post-grid--services{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.service-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:28px 24px;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;flex-direction:column}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.service-card__icon{width:60px;height:60px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(11,99,246,.12),rgba(11,99,246,.04));color:var(--logix-primary);margin-bottom:18px;transition:.25s}
.service-card:hover .service-card__icon{background:var(--logix-primary);color:#fff}
.service-card__title{font-size:18.5px;margin-bottom:10px}
.service-card__title a{color:inherit}
.service-card__desc{color:var(--c-muted);font-size:14.5px;margin-bottom:16px;flex:1}
.service-card__price{display:inline-block;align-self:flex-start;background:rgba(255,107,53,.1);color:var(--logix-accent);font-weight:700;font-size:13px;padding:5px 12px;border-radius:20px;margin-bottom:14px}
.service-card__link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14.5px;color:var(--logix-primary)}
.service-card__link svg{transition:transform .2s}
.service-card:hover .service-card__link svg{transform:translateX(4px)}

/* ---------- Why us ---------- */
.why__inner{display:grid;grid-template-columns:1.2fr .8fr;gap:54px;align-items:center}
.why__list{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:28px}
.why__item{display:flex;gap:14px}
.why__check{flex:0 0 auto;width:34px;height:34px;border-radius:9px;background:rgba(255,107,53,.18);color:var(--logix-accent);display:flex;align-items:center;justify-content:center}
.why__item h4{font-size:16.5px;margin-bottom:4px}
.why__item p{color:#9fb1c7;font-size:14px;margin:0}
.why__card{background:linear-gradient(160deg,var(--logix-primary),#073a9e);border-radius:18px;padding:34px;box-shadow:var(--shadow-lg)}
.why__card h3{color:#fff;font-size:21px;margin-bottom:18px}
.why__card ul{margin-bottom:24px}
.why__card li{position:relative;padding:9px 0 9px 30px;color:#e8eefc;border-bottom:1px solid rgba(255,255,255,.12);font-size:15px}
.why__card li:last-child{border-bottom:0}
.why__card li::before{content:"✓";position:absolute;left:0;top:9px;width:20px;height:20px;background:rgba(255,255,255,.2);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}

/* ---------- Process ---------- */
.process__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);counter-reset:step}
.process__step{position:relative;text-align:center;padding:0 12px}
.process__step::after{content:"";position:absolute;top:32px;left:60%;width:80%;height:2px;background:repeating-linear-gradient(90deg,var(--c-line) 0 8px,transparent 8px 16px)}
.process__step:last-child::after{display:none}
.process__num{width:66px;height:66px;margin:0 auto 18px;border-radius:50%;background:#fff;border:2px solid var(--logix-primary);color:var(--logix-primary);font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;position:relative;z-index:1}
.process__step h3{font-size:18px;margin-bottom:8px}
.process__step p{color:var(--c-muted);font-size:14.5px;margin:0}

/* ---------- Quote ---------- */
.quote__inner{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:start}
.quote__contacts{margin-top:24px;display:grid;gap:16px}
.quote__contacts li{display:flex;align-items:center;gap:13px;color:#dbe5f1;font-size:15.5px}
.quote__contacts svg{flex:0 0 auto;color:var(--logix-accent)}
.quote__contacts a{color:#fff}
.quote__form-wrap{background:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-lg)}
.quote-form__row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.quote-form input,.quote-form select,.quote-form textarea{width:100%;padding:13px 14px;border:1.5px solid var(--c-line);border-radius:10px;font-size:15px;font-family:inherit;color:var(--c-text);background:#fff}
.quote-form textarea{margin-bottom:16px;resize:vertical}
.quote-form input:focus,.quote-form select:focus,.quote-form textarea:focus{outline:none;border-color:var(--logix-primary);box-shadow:0 0 0 3px rgba(11,99,246,.12)}
.quote-form__hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.logix-notice{padding:13px 16px;border-radius:10px;margin-bottom:18px;font-weight:600;font-size:14.5px}
.logix-notice--ok{background:#e7f7ec;color:#1a7f43;border:1px solid #bce5c9}
.logix-notice--err{background:#fdecec;color:#c0392b;border:1px solid #f5c6c6}

/* ---------- News ---------- */
.news__grid,.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.news-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden;transition:transform .2s,box-shadow .2s}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.news-card__thumb{display:block;aspect-ratio:3/2;overflow:hidden;background:var(--c-bg-soft)}
.news-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card:hover .news-card__thumb img{transform:scale(1.05)}
.news-card__ph{display:flex;align-items:center;justify-content:center;height:100%;color:#c3ccd8}
.news-card__ph svg{width:56px;height:56px}
.news-card__body{padding:22px}
.news-card__date{font-size:13px;color:var(--c-muted);font-weight:600}
.news-card__title{font-size:18px;margin:8px 0 10px}
.news-card__title a{color:var(--c-text)}
.news-card__title a:hover{color:var(--logix-primary)}
.news-card__excerpt{color:var(--c-muted);font-size:14.5px;margin-bottom:12px}
.news-card__more{font-weight:600;font-size:14px}

/* ---------- Float call ---------- */
.float-call{position:fixed;right:20px;bottom:22px;z-index:950;width:56px;height:56px;border-radius:50%;background:var(--logix-accent);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px rgba(255,107,53,.5);animation:logix-pulse 2s infinite}
.float-call:hover{color:#fff;transform:scale(1.06)}
@keyframes logix-pulse{0%{box-shadow:0 0 0 0 rgba(255,107,53,.5)}70%{box-shadow:0 0 0 16px rgba(255,107,53,0)}100%{box-shadow:0 0 0 0 rgba(255,107,53,0)}}

/* ---------- Footer ---------- */
.site-footer{background:var(--logix-dark);color:#9fb1c7;padding-top:64px}
.site-footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px}
.site-footer__about p{font-size:14.5px;line-height:1.7}
.site-footer__contact{display:flex;gap:9px;align-items:flex-start;font-size:14px}
.site-footer__contact svg{flex:0 0 auto;margin-top:3px;color:var(--logix-accent)}
.site-footer__social{display:flex;gap:10px;margin-top:16px}
.site-footer__social a{width:38px;height:38px;border-radius:9px;background:rgba(255,255,255,.08);color:#cdd7e4;display:flex;align-items:center;justify-content:center}
.site-footer__social a:hover{background:var(--logix-accent);color:#fff}
.footer-widget__title{color:#fff;font-size:16px;margin-bottom:18px}
.site-footer__links li{margin-bottom:11px}
.site-footer__links a{color:#9fb1c7;font-size:14.5px}
.site-footer__links a:hover{color:#fff}
.site-footer__phone{font-size:22px;font-weight:800;color:#fff;display:inline-block;margin-bottom:6px}
.site-footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:13.5px}
.site-footer__bottom p{margin:0}

/* ---------- Inner pages ---------- */
.page-wrap{padding:56px 0 80px}
.page-head{margin-bottom:36px}
.page-head__title{font-size:clamp(26px,3.2vw,38px)}
.single{max-width:820px;margin:0 auto}
.single__title{font-size:clamp(26px,3.4vw,40px)}
.single__meta{color:var(--c-muted);font-size:14.5px;display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.single__thumb{margin:24px 0;border-radius:var(--radius);overflow:hidden}
.entry-content{font-size:17px;line-height:1.75}
.entry-content h2{margin-top:1.6em;font-size:26px}
.entry-content h3{margin-top:1.4em;font-size:21px}
.entry-content img{border-radius:10px;margin:1em 0}
.entry-content blockquote{border-left:4px solid var(--logix-primary);margin:1.4em 0;padding:6px 20px;color:var(--c-muted);background:var(--c-bg-soft);border-radius:0 8px 8px 0}
.single__footer{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:36px;padding-top:24px;border-top:1px solid var(--c-line)}

.error-404{text-align:center;padding:90px 0}
.error-404__code{font-size:96px;color:var(--logix-primary);margin:0;line-height:1}
.error-404__title{font-size:28px}
.error-404__actions{display:flex;gap:12px;justify-content:center;margin:24px 0}
.error-404__search{max-width:420px;margin:0 auto}

.search-form{display:flex;gap:8px}
.search-form__input{flex:1;padding:12px 14px;border:1.5px solid var(--c-line);border-radius:10px;font-size:15px;font-family:inherit}
.search-form__btn{background:var(--logix-primary);color:#fff;border:0;border-radius:10px;padding:0 16px;cursor:pointer}

.pagination{margin-top:48px;display:flex;justify-content:center}
.pagination .nav-links{display:flex;gap:8px}
.pagination .page-numbers{padding:10px 16px;border:1px solid var(--c-line);border-radius:9px;color:var(--c-text);font-weight:600}
.pagination .page-numbers.current{background:var(--logix-primary);color:#fff;border-color:var(--logix-primary)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}.float-call{animation:none}}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media(max-width:1024px){
	.services__grid{grid-template-columns:repeat(2,1fr)}
	.process__grid{grid-template-columns:repeat(2,1fr);row-gap:40px}
	.process__step::after{display:none}
	.site-footer__grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
	.hero__inner{grid-template-columns:1fr;padding:56px 0 64px}
	.why__inner,.quote__inner{grid-template-columns:1fr;gap:36px}
	.why__list{grid-template-columns:1fr}
	.stats__grid{grid-template-columns:repeat(2,1fr);gap:30px}
	.news__grid,.post-grid,.post-grid--services{grid-template-columns:1fr 1fr}
	.section{padding:60px 0}
	.main-nav{position:fixed;inset:0 0 0 auto;width:min(82vw,330px);background:#fff;transform:translateX(100%);transition:transform .3s;box-shadow:var(--shadow-lg);padding:88px 20px 24px;z-index:899;overflow-y:auto}
	.main-nav.is-open{transform:translateX(0)}
	.main-nav__menu{flex-direction:column;align-items:stretch;gap:2px}
	.main-nav__menu a{padding:13px 14px;border-radius:9px}
	.main-nav__menu .sub-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 0 12px}
	.nav-toggle{display:flex;position:relative;z-index:901}
	.topbar__item--hide-sm{display:none}
	.site-header__cta .btn--accent{display:none}
}
@media(max-width:560px){
	.stats__grid{grid-template-columns:1fr 1fr}
	.services__grid{grid-template-columns:1fr}
	.news__grid,.post-grid,.post-grid--services{grid-template-columns:1fr}
	.quote-form__row{grid-template-columns:1fr}
	.track-box__row{flex-direction:column}
	.hero__actions{flex-direction:column}
	.hero__actions .btn{width:100%}
	.topbar__contacts{gap:14px}
}