/* ============================================================
   ZT Group Corp — static rebuild
   Design tokens taken from the original Porto/Elementor site
   ============================================================ */

/* ---- Fonts (self-hosted Poppins, latin subset) ---- */
@font-face{font-family:'Poppins';font-style:normal;font-weight:400;font-display:swap;
  src:url('../fonts/poppins-400.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Poppins';font-style:normal;font-weight:600;font-display:swap;
  src:url('../fonts/poppins-600.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Poppins';font-style:normal;font-weight:700;font-display:swap;
  src:url('../fonts/poppins-700.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}

/* ---- Tokens ---- */
:root{
  --accent:#019FDC;
  --accent-2:#01b1f5;
  --dark:#3c3f44;
  --dark-2:#2e3034;
  --ink:#2e353e;
  --muted:#777;
  --lime:#a6ce39;
  --line:#e8e8ec;
  --header-h:84px;
  --container:1200px;
  font-synthesis:none;
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Poppins',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  color:var(--ink);line-height:1.7;background:#fff;overflow-x:hidden;font-size:15px}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--accent);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent-2)}
h1,h2,h3,h4{font-weight:700;line-height:1.2;color:var(--ink)}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}

/* ---- Layout helpers ---- */
.container{max-width:var(--container);margin:0 auto;padding:0 20px;width:100%}
section[id]{scroll-margin-top:var(--header-h)}
.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}
.section{padding:90px 0}
.section--tight{padding:70px 0}
.section-head{text-align:center;margin-bottom:50px}
.section-head h2{font-size:2.2rem;position:relative;display:inline-block;padding-bottom:18px}
.section-head h2::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:60px;height:3px;background:var(--accent);border-radius:2px}
.section-head p{color:var(--muted);max-width:680px;margin:14px auto 0}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;
  border-bottom:1px solid rgba(255,255,255,.08);
  background:var(--dark);transition:background .3s,box-shadow .3s,border-color .3s}
.site-header.solid{background:var(--dark);box-shadow:0 2px 14px rgba(0,0,0,.25);
  border-bottom-color:#5c5d61}
/* Home: header sits at the bottom edge of the full-height hero, then sticks on scroll */
body.home .site-header{position:absolute;top:calc(100vh - var(--header-h));
  background:transparent;border-bottom-color:rgba(255,255,255,.12)}
body.home .site-header.stuck{position:fixed;top:0;background:var(--dark);
  box-shadow:0 2px 14px rgba(0,0,0,.25);border-bottom-color:#5c5d61}
.header-inner{display:flex;align-items:center;justify-content:space-between;
  height:var(--header-h);gap:20px}
.brand img{height:42px;width:auto}
.nav{display:flex;align-items:center;gap:4px}
.nav a.navlink{color:#fff;font-size:12.5px;letter-spacing:.4px;font-weight:400;
  padding:10px 12px;border-bottom:3px solid transparent;white-space:nowrap}
.nav a.navlink:hover{color:#fff;border-bottom-color:var(--accent)}
.nav a.navlink.active{border-bottom-color:var(--accent)}
.lang{display:flex;align-items:center;gap:8px;margin-left:14px;
  padding-left:16px;border-left:1px solid #5b5d61}
.lang a{color:#bdbfc3;font-size:12.5px;font-weight:600;letter-spacing:.5px;text-transform:uppercase}
.lang a.active{color:#fff}
.lang a:hover{color:var(--accent-2)}
.nav-toggle{display:none;background:none;border:0;color:#fff;width:42px;height:42px;
  align-items:center;justify-content:center}
.nav-toggle svg{width:22px;height:22px;fill:#fff}

/* mobile slide panel */
.nav-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.5);opacity:0;visibility:hidden;
  transition:opacity .3s;z-index:1001}
.nav-backdrop.open{opacity:1;visibility:visible}
@media(max-width:991px){
  .nav-toggle{display:inline-flex}
  .nav{position:fixed;top:0;right:-300px;width:280px;height:100%;background:var(--dark);
    flex-direction:column;align-items:stretch;gap:0;padding:80px 0 30px;
    transition:right .3s;z-index:1002;overflow-y:auto;box-shadow:-4px 0 20px rgba(0,0,0,.3)}
  .nav.open{right:0}
  .nav a.navlink{padding:14px 26px;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav a.navlink:hover,.nav a.navlink.active{border-bottom-color:rgba(255,255,255,.06);
    border-left:3px solid var(--accent);padding-left:23px}
  .lang{margin:14px 26px 0;border-left:0;padding-left:0}
  .nav-close{position:absolute;top:18px;right:18px;background:none;border:0;color:#fff;
    font-size:26px;line-height:1;width:36px;height:36px}
}
@media(min-width:992px){.nav-close{display:none}}

/* ============================================================
   HERO (slider)
   ============================================================ */
.hero{position:relative;height:100vh;min-height:580px;overflow:hidden;background:#171717}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease-in-out;
  background-size:cover;background-position:center;will-change:opacity;
  display:flex;align-items:center;pointer-events:none}
.hero-slide.active{opacity:1;pointer-events:auto}
.hero-slide::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(15,17,20,.72),rgba(15,17,20,.45))}
.hero-1{background-image:url('../img/hero-1.jpg')}
.hero-2{background-image:url('../img/hero-2.jpg')}
.hero-3{background-image:url('../img/hero-3.jpg')}
.hero-4{background-image:url('../img/hero-4.jpg')}
.webp .hero-1{background-image:url('../img/hero-1.webp')}
.webp .hero-2{background-image:url('../img/hero-2.webp')}
.webp .hero-3{background-image:url('../img/hero-3.webp')}
.webp .hero-4{background-image:url('../img/hero-4.webp')}
.hero-content{position:relative;z-index:2;width:100%}
.hero-text{max-width:760px}
.hero-text h1{color:#fff;font-size:clamp(1.9rem,4.4vw,3.2rem);font-weight:700;
  letter-spacing:-1px}
.hero-dots{position:absolute;bottom:96px;left:0;width:100%;z-index:3}
.hero-dots .container{display:flex;gap:10px}
.hero-dots button{width:12px;height:12px;border-radius:50%;border:2px solid rgba(255,255,255,.7);
  background:transparent;padding:0}
.hero-dots button.active{background:var(--accent);border-color:var(--accent)}

/* ============================================================
   ABOUT
   ============================================================ */
.section-head--left{text-align:left;margin-bottom:30px}
.section-head--left h2{padding-bottom:14px}
.section-head--left h2::after{left:0;transform:none}
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.about-text{order:1}
.about-cluster{order:2}
.about-lead{font-weight:700;color:var(--accent);font-size:1.15rem;margin-bottom:14px}
.about-text p{margin-bottom:16px;color:#555}
.about-cluster{position:relative;min-height:370px}
.about-cluster img{position:absolute;border-radius:50%;object-fit:cover;
  border:6px solid #fff;box-shadow:0 12px 30px rgba(0,0,0,.18)}
.about-cluster img:nth-child(1){width:150px;height:150px;top:10px;right:70px;z-index:2}
.about-cluster img:nth-child(2){width:185px;height:185px;top:115px;right:235px;z-index:1}
.about-cluster img:nth-child(3){width:140px;height:140px;top:205px;right:95px;z-index:3}

/* ============================================================
   SERVICES
   ============================================================ */
.services-grid{display:flex;flex-direction:column;gap:70px}
.service{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.service-media{text-align:center}
.service-icon{width:84px;height:84px;margin:0 auto 18px;color:var(--accent)}
.service-icon svg{width:100%;height:100%;fill:currentColor}
.service h3{text-transform:uppercase;font-size:1.35rem;letter-spacing:.5px;
  color:var(--accent);font-weight:700;margin:0}
.service-desc{color:var(--accent);font-size:.95rem;line-height:1.75;text-align:center}
.service-desc p + p{margin-top:14px}
.service:nth-child(even) .service-media{order:2}
.service:nth-child(even) .service-desc{order:1}

/* ============================================================
   MISSION / VISION
   ============================================================ */
.mv{background:var(--accent)}
.mv-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
.mv-img img{border-radius:10px;box-shadow:0 16px 40px rgba(0,0,0,.22);width:100%}
.mv-block + .mv-block{margin-top:28px}
.mv-block h2{font-size:1.7rem;margin-bottom:10px;color:#fff;font-weight:700}
.mv-block p{color:rgba(255,255,255,.92)}

/* ============================================================
   CLIENTS (marquee)
   ============================================================ */
.clients{overflow:hidden}
.carousel{position:relative;max-width:1320px;margin:0 auto;padding:0 44px}
.marquee{position:relative;overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.marquee::-webkit-scrollbar{display:none}
.marquee-track{display:flex;width:max-content}
.marquee-item{flex:0 0 auto;width:190px;height:100px;margin:0 20px;display:flex;
  align-items:center;justify-content:center}
.marquee-item img{max-width:100%;max-height:72px;width:auto;object-fit:contain;
  opacity:1;transition:transform .3s}
.marquee-item:hover img{transform:scale(1.06)}
.car-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:44px;height:44px;
  border-radius:50%;border:0;background:#fff;box-shadow:0 4px 16px rgba(0,0,0,.16);
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s}
.car-nav:hover{background:var(--accent)}
.car-nav svg{width:15px;height:15px;fill:var(--accent);transition:fill .2s}
.car-nav:hover svg{fill:#fff}
.car-prev{left:0}
.car-next{right:0}
@keyframes scroll-x{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ============================================================
   CONTACT
   ============================================================ */
.contact{background:var(--dark);color:#fff}
.contact h2{color:#fff}
.contact .section-head h2::after{background:var(--accent)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.contact-card{display:flex;gap:18px;align-items:flex-start;margin-bottom:30px}
.contact-card .ic{flex:0 0 auto;width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center}
.contact-card .ic svg{width:20px;height:20px;fill:var(--accent)}
.contact-card h3{color:#fff;font-size:1rem;margin-bottom:4px}
.contact-card a,.contact-card address{color:#c7c9cd;font-style:normal;font-size:.95rem;line-height:1.6}
.contact-card a:hover{color:var(--accent-2)}
.contact-cta{background:rgba(255,255,255,.04);border:1px solid #5a5a5a;border-radius:10px;
  padding:36px 34px}
.contact-cta h3{color:#fff;font-size:1.25rem;margin-bottom:10px}
.contact-cta p{color:#b9bbbf;margin-bottom:22px;font-size:.95rem}
.btn{display:inline-block;background:var(--accent);color:#fff;font-weight:600;
  padding:13px 30px;border-radius:6px;letter-spacing:1px;text-transform:uppercase;
  font-size:.85rem;border:0}
.btn:hover{background:var(--accent-2);color:#fff}

/* ============================================================
   JOIN PAGE
   ============================================================ */
.page-hero{background:var(--dark);color:#fff;padding:calc(var(--header-h) + 60px) 0 60px;text-align:center}
.page-hero h1{color:#fff;font-size:2.4rem;margin-bottom:12px}
.page-hero p{color:#c7c9cd;max-width:640px;margin:0 auto}
.join-wrap{max-width:760px;margin:0 auto}
.join-cta{text-align:center;padding:50px 30px;border:1px solid var(--line);border-radius:12px;
  background:#fafbfc}
.join-cta h2{font-size:1.5rem;margin-bottom:14px}
.join-cta p{color:#555;margin-bottom:24px}
.join-cta .roles{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:28px}
.join-cta .roles span{background:#eef6fb;color:var(--accent);font-size:.8rem;font-weight:600;
  padding:7px 16px;border-radius:30px}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--dark-2);color:#9a9ca0;text-align:center;padding:26px 0;font-size:.85rem}
.site-footer a{color:#bcbec2}

/* ---- back to top ---- */
.to-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;
  background:var(--accent);color:#fff;border:0;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s,background .2s;z-index:900}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--accent-2)}
.to-top svg{width:18px;height:18px;fill:#fff}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:991px){
  .service{grid-template-columns:1fr;gap:18px;text-align:center}
  .service:nth-child(even) .service-media,
  .service:nth-child(even) .service-desc{order:0}
  .services-grid{gap:50px}
  .about-grid,.mv-grid,.contact-grid{grid-template-columns:1fr;gap:34px}
  .section{padding:64px 0}
  /* On mobile the header pins to the top even on the home page */
  body.home .site-header{position:fixed;top:0;background:var(--dark);
    border-bottom-color:#5c5d61}
  .about-cluster{min-height:0;display:flex;justify-content:center;gap:16px;
    flex-wrap:wrap;margin-top:10px}
  .about-cluster img{position:static;width:130px!important;height:130px!important}
  .section-head--left{text-align:center}
  .section-head--left h2::after{left:50%;transform:translateX(-50%)}
}
@media(max-width:575px){
  .section-head h2{font-size:1.7rem}
  .hero-text{text-align:center;margin:0 auto}
  .hero-dots .container{justify-content:center}
}