/* ========================================
   FYTECH Portal — Clean Corporate Light Theme
   Style adapted from reference web design
   ======================================== */
:root{
    --c-primary:#2563eb;--c-primary-d:#1d4ed8;--c-primary-l:#3b82f6;
    --c-accent:#f59e0b;--c-accent-d:#d97706;
    --c-bg:#ffffff;--c-bg-alt:#f8fafc;--c-bg-soft:#f1f5f9;
    --c-card:#ffffff;--c-card-hover:#f8fafc;--c-surface:#f8fafc;
    --c-text:#1e293b;--c-muted:#64748b;--c-dim:#94a3b8;
    --c-border:#e2e8f0;--c-border-l:#cbd5e1;--c-white:#ffffff;
    --c-dark:#0f172a;
    --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Tahoma,sans-serif;
    --r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:24px;
    --tr:all .3s ease;
    --shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);
    --shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);
    --shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);
    --shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--c-bg);color:var(--c-text);line-height:1.7;overflow-x:hidden}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* === SLIDE BASE === */
.slide{padding:80px 0;min-height:60vh;display:flex;align-items:center}
.slide-dark{background:var(--c-bg);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.slide-alt{background:var(--c-bg-alt)}
.slide-toc{background:var(--c-bg-alt)}
.slide-label{
    display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;
    text-transform:uppercase;color:var(--c-primary);margin-bottom:10px;
    padding:5px 14px;border:1px solid rgba(37,99,235,.2);border-radius:50px;
    background:rgba(37,99,235,.05);
}
.slide-heading{font-size:36px;font-weight:700;color:var(--c-dark);margin-bottom:40px;text-align:left;position:relative;padding-left:20px}
.slide-heading::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:32px;background:var(--c-primary);border-radius:2px}
.gradient-text{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* === BUTTONS === */
.btn{
    display:inline-flex;align-items:center;gap:7px;padding:12px 30px;
    font-size:15px;font-weight:600;border-radius:var(--r-sm);cursor:pointer;
    border:none;transition:var(--tr);font-family:var(--font);text-decoration:none;
}
.btn-primary{background:var(--c-primary);color:var(--c-white)}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-secondary{background:rgba(255,255,255,.2);color:var(--c-white);border:2px solid var(--c-white)}
.btn-secondary:hover{background:var(--c-white);color:var(--c-primary)}
.btn-outline{background:transparent;color:var(--c-text);border:2px solid var(--c-border-l)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn-lg{padding:14px 36px;font-size:16px}
.btn-full{width:100%;justify-content:center}

/* === HEADER === */
.header{position:fixed;top:0;left:0;width:100%;z-index:1000;transition:var(--tr);background:rgba(255,255,255,.95);backdrop-filter:blur(10px);box-shadow:var(--shadow-sm)}
.header.scrolled{background:rgba(255,255,255,.98);box-shadow:var(--shadow-md)}
.navbar .container{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;text-decoration:none}
.logo-img{height:70px;width:auto}
.nav-menu{display:flex;list-style:none;gap:2px}
.nav-link{text-decoration:none;color:var(--c-text);font-size:14px;font-weight:500;padding:7px 12px;border-radius:var(--r-sm);transition:var(--tr)}
.nav-link:hover,.nav-link.active{color:var(--c-primary)}
.nav-actions{display:flex;gap:8px;align-items:center}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none}
.hamburger span{width:25px;height:3px;background:var(--c-text);border-radius:2px;transition:var(--tr)}

/* ========== SLIDE 1 — HERO ========== */
.slide-hero{position:relative;min-height:100vh;padding:0;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.slide-hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(135deg,rgba(37,99,235,.4) 0%,rgba(30,41,59,.45) 50%,rgba(15,23,42,.5) 100%)}
.slide-content{position:relative;z-index:2}
.slide1-logo{height:90px;width:auto;margin-bottom:30px;filter:drop-shadow(0 4px 20px rgba(255,255,255,.2))}
.slide-hero h1{font-size:56px;font-weight:900;color:var(--c-white);letter-spacing:-.02em;margin-bottom:14px;text-shadow:2px 2px 4px rgba(0,0,0,.2)}
.slide1-subtitle{font-size:20px;color:rgba(255,255,255,.85);margin-bottom:28px;text-shadow:1px 1px 2px rgba(0,0,0,.2)}
.slide1-tags{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.slide1-tags span{padding:8px 20px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:50px;font-size:13px;color:var(--c-white);font-weight:500;backdrop-filter:blur(4px)}
.hero-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:28px}
.hero-scroll-inline{margin-top:48px;font-size:20px;color:rgba(255,255,255,.5);animation:bounce 2s infinite}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}

/* ========== SLIDE 2 — TOC ========== */
.slide-toc{padding:80px 0;min-height:auto}
.toc-banner{width:100%;max-width:800px;display:block;margin:0 auto 40px;border-radius:var(--r-lg);box-shadow:var(--shadow-md)}
.toc-grid{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;max-width:700px;margin:0 auto}
.toc-item{
    padding:14px 24px;background:var(--c-card);border:1px solid var(--c-border);
    border-radius:50px;font-size:14px;font-weight:600;color:var(--c-text);
    text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:var(--tr);
    box-shadow:var(--shadow-sm);
}
.toc-item:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.toc-item i{color:var(--c-primary);font-size:14px}

/* ========== SLIDE 3 — HISTORY ========== */
.history-grid{display:flex;align-items:center;gap:24px;margin-bottom:40px;flex-wrap:wrap;justify-content:center}
.history-card{
    background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-lg);
    padding:32px;flex:1;min-width:260px;max-width:380px;text-align:center;
    box-shadow:var(--shadow-md);transition:var(--tr);
}
.history-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.history-year{font-size:48px;font-weight:900;color:var(--c-primary);line-height:1}
.history-card h3{font-size:18px;font-weight:700;color:var(--c-dark);margin:12px 0 8px}
.history-card p{font-size:14px;color:var(--c-muted)}
.history-arrow{font-size:24px;color:var(--c-primary);flex-shrink:0}
.history-img{text-align:center}
.history-img img{max-width:700px;width:100%;border-radius:var(--r-lg);border:1px solid var(--c-border);box-shadow:var(--shadow-md)}
.history-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;margin-top:40px}
.stat-item{text-align:center;padding:1.5rem;background:var(--c-bg-alt);border-radius:var(--r-md);transition:var(--tr)}
.stat-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.stat-number{font-size:3rem;font-weight:800;color:var(--c-primary);margin-bottom:0.5rem;line-height:1}
.stat-label{color:var(--c-muted);font-size:14px;font-weight:500}

/* ========== SLIDE 4 — BUSINESS SEGMENTS ========== */
.segment-categories{display:flex;flex-direction:column;gap:20px;margin-bottom:36px}
.segment-image{text-align:center}
.segment-image img{max-width:1200px;width:1200px;height:auto;display:inline-block;border-radius:var(--r-lg);border:1px solid var(--c-border);box-shadow:var(--shadow-md)}
.seg-cat{
    background:var(--c-card);border:1px solid var(--c-border);
    border-radius:var(--r-lg);padding:28px 32px;transition:var(--tr);
    display:flex;align-items:flex-start;gap:20px;box-shadow:var(--shadow-sm);
}
.seg-cat:hover{border-color:var(--c-primary);transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.seg-cat-icon{
    flex-shrink:0;width:52px;height:52px;border-radius:var(--r-md);
    background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(245,158,11,.08));
    display:flex;align-items:center;justify-content:center;
}
.seg-cat-icon i{font-size:22px;color:var(--c-primary)}
.seg-cat h3{font-size:17px;font-weight:700;color:var(--c-dark);margin-bottom:6px}
.seg-cat p{font-size:13px;color:var(--c-muted);line-height:1.8}
.segment-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.segment-tags span{padding:7px 16px;background:var(--c-bg-alt);border:1px solid var(--c-border);border-radius:50px;font-size:12px;color:var(--c-dim);transition:var(--tr);font-weight:500}
.segment-tags span:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(37,99,235,.05)}

/* === SECTION BANNER (wide image headers) === */
.section-banner{display:block;max-width:700px;width:100%;margin:0 auto 30px;border-radius:var(--r-lg);box-shadow:var(--shadow-md)}

/* ========== SLIDE 5-7 — PACKAGES ========== */
.package-row{display:flex;gap:40px;margin-bottom:24px;flex-wrap:wrap;justify-content:center;align-items:flex-start}
.pkg-card{
    background:var(--c-card);border:1px solid var(--c-border);
    border-radius:var(--r-lg);padding:24px;text-align:center;
    flex:0 0 auto;transition:var(--tr);
    box-shadow:var(--shadow-sm);
}
.pkg-card:hover{border-color:var(--c-primary);transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.pkg-card img{width:100%;height:200px;object-fit:contain;margin-bottom:14px}
.pkg-card img+img{height:160px}
.pkg-card .pkg-img-pair{display:flex;gap:12px;margin-bottom:14px;width:100%}
.pkg-card .pkg-img-pair img{flex:1;height:160px;object-fit:contain;width:auto}
.pkg-detail{display:flex;gap:40px;align-items:center;max-width:1000px;margin:0 auto;justify-content:center}
.pkg-detail-imgs{display:flex;gap:16px;flex:0 0 auto}
.pkg-detail-imgs img{width:100%;max-width:360px;height:240px;object-fit:contain;border-radius:var(--r-lg);border:1px solid var(--c-border);box-shadow:var(--shadow-md);padding:24px;background:var(--c-card)}
.pkg-detail-info h3{font-size:24px;font-weight:700;color:var(--c-dark);margin-bottom:16px}
.pkg-detail-info ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.pkg-detail-info li{font-size:15px;color:var(--c-muted);display:flex;align-items:center;gap:8px}
.pkg-detail-info li::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--c-primary);flex-shrink:0}
.pkg-card h4{font-size:14px;color:var(--c-dark);font-weight:600}
.pkg-card.wide{max-width:500px}
.full-img-card{text-align:center;margin-bottom:36px}
.full-img-card img{max-width:800px;width:100%;border-radius:var(--r-lg);border:1px solid var(--c-border);box-shadow:var(--shadow-md)}
.package-support{text-align:center}
.package-support h3{font-size:20px;color:var(--c-dark);margin-bottom:16px}
.support-chips{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.support-chips span{padding:10px 22px;background:var(--c-card);border:1px solid var(--c-border);border-radius:50px;font-size:14px;color:var(--c-muted);font-weight:500;transition:var(--tr);box-shadow:var(--shadow-sm)}
.support-chips span:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}

/* ========== SLIDE 8-10 — MACHINE GALLERY ========== */
.machine-gallery{display:flex;gap:20px;margin-bottom:20px;flex-wrap:wrap;justify-content:center}
.machine-gallery.single .mg-item{flex:1 1 45%;max-width:500px;min-width:300px}
.mg-item{
    flex:1 1 45%;min-width:0;
    background:var(--c-card);border:1px solid var(--c-border);
    border-radius:var(--r-lg);overflow:hidden;transition:var(--tr);
    box-shadow:var(--shadow-sm);
}
.mg-item:hover{border-color:var(--c-primary);transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.mg-item img{width:100%;height:auto;object-fit:contain;padding:24px;display:block}

/* ========== SLIDE 11-13 — MACHINE DETAIL ========== */
.machine-detail{display:flex;gap:50px;align-items:center;margin-bottom:36px;flex-wrap:wrap}
.machine-detail.reverse{flex-direction:row-reverse}
.machine-detail-img{
    flex:1 1 45%;min-width:280px;
    background:var(--c-card);border:1px solid var(--c-border);
    border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);
}
.machine-detail-img img{width:100%;display:block;object-fit:contain;padding:20px}
.machine-detail.duo .machine-detail-img{flex:1 1 45%;max-width:480px;min-width:280px}
.machine-detail.duo .machine-detail-img .machine-detail-info{padding:0 20px 20px;text-align:left}
.machine-detail.duo .machine-detail-img .machine-detail-info h2{font-size:22px;margin-bottom:10px}
.machine-detail.duo .machine-detail-img .machine-detail-info p{font-size:13px;margin-bottom:12px;line-height:1.6}
.machine-detail.duo .machine-detail-img .machine-detail-info li{font-size:13px;justify-content:flex-start}
.machine-detail-info{flex:1;min-width:280px}
.machine-detail-info h2{font-size:30px;font-weight:700;color:var(--c-dark);margin-bottom:14px}
.machine-detail-info p{font-size:15px;color:var(--c-muted);line-height:1.8;margin-bottom:18px}
.machine-detail-info ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.machine-detail-info li{font-size:14px;color:var(--c-text);display:flex;align-items:center;gap:8px}
.machine-detail-info li i{color:var(--c-primary)}
.machine-detail-extra{text-align:center}
.machine-detail-extra img{max-width:600px;width:100%;border-radius:var(--r-lg);border:1px solid var(--c-border);box-shadow:var(--shadow-md)}

/* ========== SLIDE 14-15 — MATERIAL DUO ========== */
.mat-duo{display:flex;gap:24px;flex-wrap:wrap}
.mat-duo-card{
    flex:1 1 45%;min-width:280px;background:var(--c-card);
    border:1px solid var(--c-border);border-radius:var(--r-lg);
    overflow:hidden;transition:var(--tr);box-shadow:var(--shadow-sm);
}
.mat-duo-card:hover{border-color:var(--c-primary);transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.mat-duo-card img{width:100%;height:auto;object-fit:contain;padding:20px;background:var(--c-bg-alt)}
.mat-duo-text{padding:24px}
.mat-duo-text h3{font-size:18px;font-weight:700;color:var(--c-dark);margin-bottom:10px}
.mat-duo-text p{font-size:14px;color:var(--c-muted);line-height:1.7}

/* ========== SLIDE 16 — CARRIER TAPE ========== */
.carrier-section{display:flex;gap:24px;align-items:flex-start;flex-wrap:wrap;margin-bottom:32px;justify-content:center}
.carrier-img-main{flex:1;min-width:300px;max-width:500px}
.carrier-img-main img{width:100%;border-radius:var(--r-lg);border:1px solid var(--c-border);box-shadow:var(--shadow-md)}
.carrier-img-detail{flex:0 0 280px}
.carrier-img-detail img{width:100%;border-radius:var(--r-lg);border:1px solid var(--c-border);box-shadow:var(--shadow-md)}
.carrier-text{max-width:700px;margin:0 auto;text-align:center}
.carrier-text p{font-size:14px;color:var(--c-muted);margin-bottom:10px;line-height:1.8}
.carrier-text strong{color:var(--c-primary)}

/* ========== SLIDE 17 — TOOLING ========== */
.tooling-section{display:flex;gap:50px;align-items:center;flex-wrap:wrap}
.tooling-img{
    flex:1;min-width:280px;max-width:460px;
    background:var(--c-card);border:1px solid var(--c-border);
    border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);
}
.tooling-img img{width:100%;display:block;object-fit:contain;padding:20px}
.tooling-info{flex:1;min-width:280px}
.tooling-info h2{font-size:30px;font-weight:700;color:var(--c-dark);margin-bottom:14px}
.tooling-info p{font-size:15px;color:var(--c-muted);line-height:1.8;margin-bottom:18px}
.tooling-info ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.tooling-info li{font-size:14px;color:var(--c-text);display:flex;align-items:center;gap:8px}
.tooling-info li i{color:var(--c-primary)}

/* ========== SLIDE 18 — PARTNERS ========== */
.partners-section{text-align:center}
.partners-logo-grid{
    display:grid;grid-template-columns:repeat(3,1fr);
    gap:16px;max-width:1200px;margin:0 auto;
    background-size:cover;background-position:center;background-repeat:no-repeat;
    border-radius:var(--r-lg);border:1px solid var(--c-border);
    box-shadow:var(--shadow-md);padding:28px;
    position:relative;
}
.partners-logo-grid::before{
    content:'';position:absolute;inset:0;
    background:rgba(255,255,255,.3);border-radius:inherit;
    z-index:0;
}
.partner-logo{
    position:relative;z-index:1;
    background:rgba(255,255,255,.92);border:1px solid var(--c-border);
    border-radius:var(--r-md);padding:20px;height:120px;
    display:flex;align-items:center;justify-content:center;
    box-shadow:var(--shadow-sm);transition:var(--tr);
}
.partner-logo:hover{border-color:var(--c-primary);transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.partner-logo img{max-width:100%;max-height:80px;object-fit:contain}

/* ========== SLIDE 19 — CONTACT (INFO ONLY) ========== */
.contact-info-only{max-width:600px;margin:0 auto;text-align:center}
.contact-info-only h2{font-size:32px;font-weight:700;color:var(--c-dark);margin-bottom:14px}
.contact-info-only>p{font-size:15px;color:var(--c-muted);margin-bottom:36px;line-height:1.7}
.contact-info-only .ci-items{display:flex;flex-direction:column;gap:20px;align-items:flex-start}
.contact-info-only .ci-item{display:flex;gap:14px;font-size:14px;color:var(--c-muted);line-height:1.6;text-align:left}
.contact-info-only .ci-item i{color:var(--c-primary);font-size:18px;margin-top:2px}
.contact-info-only .ci-item strong{color:var(--c-text);font-size:15px}

/* ========== FOOTER ========== */
.footer{background:var(--c-dark);border-top:4px solid var(--c-primary);padding:48px 0 24px}
.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}
.footer-section h3,.footer-section h4{margin-bottom:1rem;color:var(--c-white)}
.footer-section h4{font-size:15px;font-weight:600}
.footer-logo-text{font-size:20px;font-weight:800;color:var(--c-white);display:block;margin-bottom:0.5rem}
.footer-section p{color:var(--c-dim);margin-bottom:0.5rem;font-size:13px;line-height:1.7}
.footer-section ul{list-style:none}
.footer-section ul li{margin-bottom:0.5rem}
.footer-section ul li a{color:var(--c-dim);text-decoration:none;transition:var(--tr);font-size:13px}
.footer-section ul li a:hover{color:var(--c-accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:1.5rem;text-align:center}
.footer-bottom p{color:var(--c-dim);font-size:12px}

/* ========== SCROLL TO TOP ========== */
.scroll-top{
    position:fixed;bottom:24px;right:24px;width:48px;height:48px;
    background:var(--c-primary);color:var(--c-white);border:none;
    border-radius:50%;font-size:20px;cursor:pointer;
    opacity:0;visibility:hidden;transition:var(--tr);z-index:999;
    box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:center;
}
.scroll-top.visible{opacity:1;visibility:visible}
.scroll-top:hover{background:var(--c-primary-d);transform:translateY(-3px)}

/* ========== RESPONSIVE ========== */
@media(max-width:1024px){
    .slide1-logo{height:60px}
    .slide-hero h1{font-size:38px}
    .slide-heading{font-size:28px}
    .machine-detail,.machine-detail.reverse{flex-direction:column;gap:30px}
    .machine-detail-img{max-width:100%}
    .partners-logo-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
    .nav-menu{position:fixed;top:0;right:-100%;width:260px;height:100vh;background:var(--c-white);flex-direction:column;padding:80px 30px;transition:var(--tr);box-shadow:var(--shadow-xl);border-left:1px solid var(--c-border)}
    .nav-menu.active{right:0}
    .nav-link{color:var(--c-text);font-size:16px;padding:10px 0}
    .nav-link:hover,.nav-link.active{color:var(--c-primary);background:none}
    .hamburger{display:flex;z-index:1001}
    .hamburger.active span:nth-child(1){transform:rotate(-45deg) translate(-5px,6px)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:nth-child(3){transform:rotate(45deg) translate(-5px,-6px)}
    .nav-actions{display:none}
    .slide-hero h1{font-size:28px}
    .slide1-subtitle{font-size:16px}
    .slide{padding:60px 0}
    .slide-heading{font-size:24px}
    .history-grid{flex-direction:column}
    .history-arrow{transform:rotate(90deg)}
    .history-stats{grid-template-columns:repeat(2,1fr)}
    .pkg-detail{flex-direction:column;gap:20px}
    .pkg-detail-imgs{flex-direction:column}
    .pkg-card .pkg-img-pair{flex-direction:column}
    .machine-detail,.machine-detail.reverse{flex-direction:column}
    .footer-row{flex-direction:column;text-align:center}
    .mat-duo{flex-direction:column}
    .tooling-section{flex-direction:column}
    .carrier-section{flex-direction:column;align-items:center}
    .partners-logo-grid{grid-template-columns:repeat(3,1fr);gap:12px;padding:16px}
}