/* ============================================================
   FLUENTEC - Liquid Filling Machines
   DNA: paper white + aqua gray bands + cobalt blue accent
   Type: Sora (display) + Work Sans (text)
   Radius rule: cards 22px, buttons & inputs 10px, chips 6px
   Motion: opacity + blur dissolve reveals, fade hero carousel
   ============================================================ */

:root{
    --color-paper:#FDFDFB;
    --color-aqua:#EEF4F6;
    --color-ink:#12212E;
    --color-body:#4A5A66;
    --color-mute:#7C8A94;
    --color-accent:#1D5BD8;
    --color-accent-deep:#1548AE;
    --color-line:#DCE5E9;
    --color-footer:#101D36;
    --font-display:'Sora',sans-serif;
    --font-text:'Work Sans',sans-serif;
    --r-card:22px;
    --r-ui:10px;
    --r-chip:6px;
    --nav-h:4.6vw;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-text);background:var(--color-paper);color:var(--color-body);font-size:1.111vw;line-height:1.7;}
img{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,textarea{font-family:inherit;}

.index_container{width:94.44vw;margin:0 auto;}

h1,h2,h3,h4{font-family:var(--font-display);color:var(--color-ink);font-weight:600;line-height:1.22;}
h1{font-size:3.35vw;letter-spacing:-0.03em;}
h2{font-size:2.6vw;letter-spacing:-0.02em;}
h3{font-size:1.18vw;}

section{padding:5.6vw 0;}

/* ---------- buttons & links ---------- */
.index_btn{display:inline-flex;align-items:center;justify-content:center;gap:0.4vw;background:var(--color-accent);color:#fff;font-family:var(--font-display);font-weight:600;font-size:0.92vw;padding:0.85vw 1.9vw;border-radius:var(--r-ui);white-space:nowrap;transition:background .22s ease,transform .22s ease;}
.index_btn:hover{background:var(--color-accent-deep);transform:translateY(-2px);}
.index_btn--ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,0.65);}
.index_btn--ghost:hover{background:rgba(255,255,255,0.14);}
.index_btn--nav{padding:0.62vw 1.4vw;}
.index_link{display:inline-flex;align-items:center;gap:0.3vw;color:var(--color-accent);font-family:var(--font-display);font-weight:600;font-size:0.92vw;transition:gap .2s ease;}
.index_link:hover{gap:0.55vw;}
.index_link i{font-size:1vw;}

/* ---------- navbar ---------- */
.index_navbar{position:sticky;top:0;z-index:60;background:var(--color-paper);border-bottom:1px solid transparent;transition:border-color .25s ease,box-shadow .25s ease;}
.index_navbar.is-scrolled{border-color:var(--color-line);box-shadow:0 8px 28px rgba(18,33,46,0.07);}
.index_navbar-inner{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:2vw;}
.index_brand{display:flex;align-items:center;gap:0.55vw;}
.index_brand-mark{width:2.1vw;height:2.1vw;border-radius:var(--r-ui);background:var(--color-accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.15vw;}
.index_brand-name{font-family:var(--font-display);font-weight:700;font-size:1.12vw;letter-spacing:0.08em;color:var(--color-ink);}
.index_nav{display:flex;gap:1.9vw;}
.index_nav a{font-size:0.9vw;font-weight:500;color:var(--color-body);transition:color .2s ease;}
.index_nav a:hover{color:var(--color-accent);}
.index_nav-actions{display:flex;align-items:center;gap:0.9vw;}
.index_icon-btn{width:2.2vw;height:2.2vw;display:flex;align-items:center;justify-content:center;border-radius:var(--r-ui);color:var(--color-ink);font-size:1.1vw;transition:background .2s ease;}
.index_icon-btn:hover{background:var(--color-aqua);}
.index_burger{display:none;flex-direction:column;gap:5px;padding:6px;}
.index_burger span{width:22px;height:2px;background:var(--color-ink);transition:transform .25s ease,opacity .25s ease;}
.index_burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.index_burger.is-open span:nth-child(2){opacity:0;}
.index_burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- mobile drawer ---------- */
.index_drawer{position:fixed;inset:var(--nav-h) 0 0 0;background:var(--color-paper);z-index:55;transform:translateY(-105%);transition:transform .3s ease;display:none;}
.index_drawer.is-open{transform:translateY(0);}
.index_drawer-nav{display:flex;flex-direction:column;padding:32px 24px;gap:4px;}
.index_drawer-nav a{font-family:var(--font-display);font-weight:600;font-size:18px;color:var(--color-ink);padding:14px 4px;border-bottom:1px solid var(--color-line);}
.index_drawer-cta{margin-top:20px;color:#fff;justify-content:center;border-bottom:none;}

/* ---------- search ---------- */
.index_search{position:fixed;inset:0;background:rgba(18,33,46,0.55);backdrop-filter:blur(4px);z-index:70;display:flex;align-items:flex-start;justify-content:center;padding-top:14vh;opacity:0;pointer-events:none;transition:opacity .25s ease;}
.index_search.is-open{opacity:1;pointer-events:auto;}
.index_search-panel{width:min(620px,88vw);background:var(--color-paper);border-radius:var(--r-card);padding:1.4vw 1.6vw;box-shadow:0 30px 80px rgba(18,33,46,0.3);}
.index_search-form{display:flex;align-items:center;gap:0.8vw;border:1px solid var(--color-line);border-radius:var(--r-ui);padding:0.7vw 1vw;}
.index_search-form i{color:var(--color-accent);font-size:1.2vw;}
.index_search-form input{flex:1;border:none;outline:none;font-size:1vw;background:transparent;color:var(--color-ink);}
.index_search-hint{margin-top:0.8vw;font-size:0.82vw;color:var(--color-mute);}

/* ---------- hero carousel ---------- */
.index_hero{position:relative;height:calc(100vh - var(--nav-h));min-height:34vw;overflow:hidden;display:flex;align-items:center;padding:0;}
.index_hero-slides{position:absolute;inset:0;}
.index_hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease;}
.index_hero-slide img{width:100%;height:100%;object-fit:cover;}
.index_hero-slide.is-active{opacity:1;}
.index_hero-shade{position:absolute;inset:0;background:linear-gradient(92deg,rgba(9,20,30,0.78) 0%,rgba(9,20,30,0.5) 38%,rgba(9,20,30,0.12) 70%,rgba(9,20,30,0.05) 100%);}
.index_hero-inner{position:relative;z-index:2;}
.index_hero-content{max-width:44vw;}
.index_hero-content h1{color:#fff;}
.index_hero-sub{color:rgba(255,255,255,0.86);font-size:1.08vw;margin:1.3vw 0 2vw;max-width:36vw;}
.index_hero-cta{display:flex;gap:1vw;}
.index_hero-dots{position:absolute;z-index:3;bottom:2.4vw;left:12vw;display:flex;gap:0.6vw;}
.index_hero-dots button{width:2.6vw;height:4px;border-radius:2px;background:rgba(255,255,255,0.35);transition:background .25s ease;}
.index_hero-dots button.is-active{background:#fff;}

/* ---------- section heads ---------- */
.index_head{max-width:46vw;margin:0 auto 3vw;text-align:center;}
.index_head p{margin-top:0.9vw;color:var(--color-mute);}

/* ---------- machines: tabs + horizontal cards ---------- */
.index_tabs{display:flex;justify-content:center;gap:0.7vw;margin-bottom:2.6vw;}
.index_tab{font-family:var(--font-display);font-weight:600;font-size:0.92vw;color:var(--color-body);padding:0.7vw 1.6vw;border-radius:var(--r-ui);border:1px solid var(--color-line);background:var(--color-paper);transition:all .22s ease;}
.index_tab:hover{border-color:var(--color-accent);color:var(--color-accent);}
.index_tab.is-active{background:var(--color-accent);border-color:var(--color-accent);color:#fff;}
.index_panel{display:none;flex-direction:column;gap:2vw;}
.index_panel.is-active{display:flex;}
.index_machine{display:grid;grid-template-columns:1.15fr 1fr;background:var(--color-paper);border:1px solid var(--color-line);border-radius:var(--r-card);overflow:hidden;transition:box-shadow .25s ease,transform .25s ease;}
.index_machine:hover{box-shadow:0 24px 60px rgba(18,33,46,0.1);transform:translateY(-4px);}
.index_machine--flip{grid-template-columns:1fr 1.15fr;}
.index_machine--flip .index_machine-media{order:2;}
.index_machine-media{overflow:hidden;}
.index_machine-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.index_machine:hover .index_machine-media img{transform:scale(1.045);}
.index_machine-body{padding:2.6vw 2.8vw;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;}
.index_machine-body h3{font-size:1.5vw;}
.index_machine-body p{margin:0.9vw 0 1.2vw;}
.index_chips{display:flex;flex-wrap:wrap;gap:0.5vw;margin-bottom:1.4vw;}
.index_chips li{font-size:0.8vw;font-weight:500;color:var(--color-accent-deep);background:#E8EEFB;border-radius:var(--r-chip);padding:0.32vw 0.75vw;}

/* ---------- technologies ---------- */
.index_tech{background:var(--color-aqua);}
.index_tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4vw;}
.index_tech-card{background:var(--color-paper);border-radius:var(--r-card);padding:2.2vw 1.8vw;}
.index_tech-card i{font-size:2vw;color:var(--color-accent);}
.index_tech-card h3{margin:1.1vw 0 0.7vw;}
.index_tech-card p{font-size:0.9vw;}

/* ---------- industries ---------- */
.index_ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4vw;}
.index_ind-card{position:relative;border-radius:var(--r-card);overflow:hidden;aspect-ratio:3/4;}
.index_ind-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.index_ind-card:hover img{transform:scale(1.05);}
.index_ind-overlay{position:absolute;inset:auto 0 0 0;padding:3.4vw 1.4vw 1.4vw;background:linear-gradient(180deg,rgba(9,20,30,0) 0%,rgba(9,20,30,0.82) 78%);}
.index_ind-overlay h3{color:#fff;font-size:1.1vw;}
.index_ind-overlay p{color:rgba(255,255,255,0.82);font-size:0.84vw;margin-top:0.4vw;line-height:1.55;}

/* ---------- line: split + numbered steps ---------- */
.index_line{background:var(--color-paper);}
.index_line-inner{display:grid;grid-template-columns:1fr 1.25fr;gap:5vw;align-items:start;}
.index_line-intro{position:sticky;top:calc(var(--nav-h) + 2vw);}
.index_line-intro p{margin:1.1vw 0 1.8vw;}
.index_line-steps{display:flex;flex-direction:column;}
.index_line-steps li{display:flex;gap:2vw;padding:1.7vw 0;border-bottom:1px solid var(--color-line);}
.index_line-steps li:first-child{padding-top:0;}
.index_line-num{font-family:var(--font-display);font-weight:700;font-size:1.7vw;color:var(--color-accent);line-height:1.1;min-width:3vw;}
.index_line-steps h3{font-size:1.15vw;}
.index_line-steps p{font-size:0.92vw;margin-top:0.4vw;}

/* ---------- about ---------- */
.index_about{background:var(--color-aqua);}
.index_about-inner{display:grid;grid-template-columns:1fr 1.1fr;gap:4.5vw;align-items:center;}
.index_about-copy p{margin-top:1.1vw;}
.index_about-list{margin-top:1.6vw;display:flex;flex-direction:column;gap:0.8vw;}
.index_about-list li{display:flex;align-items:center;gap:0.7vw;font-weight:500;color:var(--color-ink);font-size:0.95vw;}
.index_about-list i{color:var(--color-accent);font-size:1.2vw;}
.index_about-media img{border-radius:var(--r-card);width:100%;}
.index_about-media figcaption{margin-top:0.8vw;font-size:0.82vw;color:var(--color-mute);padding-left:0.9vw;border-left:3px solid var(--color-accent);}

/* ---------- faq: static two-column cards ---------- */
.index_faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4vw;}
.index_faq-card{background:var(--color-paper);border:1px solid var(--color-line);border-radius:var(--r-card);padding:2vw 2.2vw;}
.index_faq-card h3{padding-left:1vw;border-left:3px solid var(--color-accent);}
.index_faq-card p{margin-top:0.9vw;font-size:0.92vw;}

/* ---------- contact: cobalt band ---------- */
.index_contact{background:var(--color-accent);}
.index_contact-inner{display:grid;grid-template-columns:1fr 1.2fr;gap:4.5vw;align-items:center;}
.index_contact-copy h2{color:#fff;}
.index_contact-copy > p{color:rgba(255,255,255,0.85);margin-top:1.1vw;}
.index_contact-list{margin-top:2.2vw;display:flex;flex-direction:column;gap:1.3vw;}
.index_contact-list li{display:flex;align-items:center;gap:1vw;}
.index_contact-list i{width:2.6vw;height:2.6vw;border-radius:var(--r-ui);background:rgba(255,255,255,0.14);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.25vw;flex-shrink:0;}
.index_contact-list span{display:block;font-size:0.78vw;color:rgba(255,255,255,0.65);}
.index_contact-list a{color:#fff;font-family:var(--font-display);font-weight:600;font-size:1.05vw;}
.index_form{background:var(--color-paper);border-radius:var(--r-card);padding:2.4vw 2.6vw;display:flex;flex-direction:column;gap:1.1vw;}
.index_form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1vw;}
.index_form label{display:flex;flex-direction:column;gap:0.4vw;font-size:0.82vw;font-weight:500;color:var(--color-ink);}
.index_form input,.index_form textarea{border:1px solid var(--color-line);border-radius:var(--r-ui);padding:0.75vw 0.9vw;font-size:0.92vw;color:var(--color-ink);background:#fff;outline:none;transition:border-color .2s ease;resize:vertical;}
.index_form input:focus,.index_form textarea:focus{border-color:var(--color-accent);}
.index_form textarea::placeholder{color:var(--color-mute);}
.index_form-submit{margin-top:0.4vw;align-self:flex-start;}
.index_form-note{font-size:0.85vw;color:var(--color-accent-deep);min-height:1.2em;}

/* ---------- footer ---------- */
.index_footer{background:var(--color-footer);color:#93A1B8;padding:4.6vw 0 0;}
.index_footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:3vw;padding-bottom:3vw;}
.index_footer-brand p{font-size:0.88vw;margin-top:1.2vw;max-width:18vw;}
.index_brand--footer .index_brand-name{color:#fff;}
.index_footer-col{display:flex;flex-direction:column;gap:0.7vw;}
.index_footer-col h4{color:#fff;font-size:0.95vw;margin-bottom:0.5vw;}
.index_footer-col a{font-size:0.88vw;color:#93A1B8;transition:color .2s ease;}
.index_footer-col a:hover{color:#fff;}
.index_footer-bar{border-top:1px solid rgba(255,255,255,0.12);padding:1.4vw 0;display:flex;justify-content:space-between;font-size:0.82vw;}

/* ---------- reveal: blur dissolve ---------- */
.reveal{opacity:0;filter:blur(10px);transition:opacity .8s ease,filter .8s ease;will-change:opacity,filter;}
.reveal.visible{opacity:1;filter:blur(0);}
@media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    .reveal{opacity:1;filter:none;transition:none;}
    .index_hero-slide{transition:none;}
}

/* ============================================================
   responsive
   ============================================================ */
@media (max-width:1200px){
    :root{--nav-h:64px;}
    body{font-size:15px;}
    .index_container{width:88vw;}
    h1{font-size:44px;}
    h2{font-size:30px;}
    h3{font-size:18px;}
    section{padding:72px 0;}
    .index_btn{font-size:14px;padding:12px 26px;border-radius:var(--r-ui);gap:6px;}
    .index_btn--nav{padding:9px 18px;}
    .index_link{font-size:14px;gap:5px;}
    .index_link i{font-size:15px;}
    .index_brand-mark{width:34px;height:34px;font-size:18px;}
    .index_brand-name{font-size:17px;}
    .index_nav{display:none;}
    .index_icon-btn{width:36px;height:36px;font-size:18px;}
    .index_burger{display:flex;}
    .index_drawer{display:block;}
    .index_search-panel{padding:20px;}
    .index_search-form{padding:12px 14px;gap:10px;}
    .index_search-form i{font-size:18px;}
    .index_search-form input{font-size:15px;}
    .index_search-hint{font-size:13px;margin-top:12px;}
    .index_hero{height:calc(100vh - 64px);min-height:520px;}
    .index_hero-content{max-width:560px;}
    .index_hero-sub{font-size:16px;margin:18px 0 26px;max-width:480px;}
    .index_hero-cta{gap:12px;}
    .index_hero-dots{left:6vw;bottom:28px;gap:8px;}
    .index_hero-dots button{width:34px;}
    .index_head{max-width:620px;margin-bottom:40px;}
    .index_head p{margin-top:12px;}
    .index_tabs{gap:8px;margin-bottom:32px;flex-wrap:wrap;}
    .index_tab{font-size:14px;padding:10px 20px;}
    .index_panel{gap:24px;}
    .index_machine,.index_machine--flip{grid-template-columns:1fr;}
    .index_machine--flip .index_machine-media{order:0;}
    .index_machine-media{aspect-ratio:16/9;}
    .index_machine-body{padding:26px 24px;}
    .index_machine-body h3{font-size:22px;}
    .index_machine-body p{margin:10px 0 14px;}
    .index_chips{gap:8px;margin-bottom:16px;}
    .index_chips li{font-size:12px;padding:5px 10px;}
    .index_tech-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
    .index_tech-card{padding:26px 22px;}
    .index_tech-card i{font-size:28px;}
    .index_tech-card h3{margin:14px 0 8px;}
    .index_tech-card p{font-size:14px;}
    .index_ind-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
    .index_ind-overlay{padding:40px 18px 18px;}
    .index_ind-overlay h3{font-size:17px;}
    .index_ind-overlay p{font-size:13px;margin-top:5px;}
    .index_line-inner{grid-template-columns:1fr;gap:36px;}
    .index_line-intro{position:static;}
    .index_line-intro p{margin:12px 0 20px;}
    .index_line-steps li{gap:20px;padding:20px 0;}
    .index_line-num{font-size:22px;min-width:40px;}
    .index_line-steps h3{font-size:17px;}
    .index_line-steps p{font-size:14px;margin-top:5px;}
    .index_about-inner{grid-template-columns:1fr;gap:32px;}
    .index_about-copy p{margin-top:12px;}
    .index_about-list{margin-top:18px;gap:10px;}
    .index_about-list li{font-size:15px;gap:9px;}
    .index_about-list i{font-size:18px;}
    .index_about-media figcaption{font-size:13px;margin-top:10px;padding-left:12px;}
    .index_faq-grid{grid-template-columns:1fr;gap:16px;}
    .index_faq-card{padding:22px 22px;}
    .index_faq-card h3{padding-left:12px;}
    .index_faq-card p{margin-top:10px;font-size:14px;}
    .index_contact-inner{grid-template-columns:1fr;gap:36px;}
    .index_contact-list{margin-top:24px;gap:16px;}
    .index_contact-list i{width:40px;height:40px;font-size:19px;}
    .index_contact-list span{font-size:12px;}
    .index_contact-list a{font-size:16px;}
    .index_form{padding:26px 22px;gap:14px;border-radius:var(--r-card);}
    .index_form-row{grid-template-columns:1fr;gap:14px;}
    .index_form label{font-size:13px;gap:6px;}
    .index_form input,.index_form textarea{padding:12px 13px;font-size:15px;}
    .index_form-note{font-size:13px;}
    .index_footer{padding:56px 0 0;}
    .index_footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:36px;}
    .index_footer-brand p{font-size:14px;max-width:320px;margin-top:14px;}
    .index_footer-col{gap:9px;}
    .index_footer-col h4{font-size:15px;}
    .index_footer-col a{font-size:14px;}
    .index_footer-bar{padding:18px 0;font-size:12px;flex-direction:column;gap:6px;}
}

@media (max-width:480px){
    :root{--nav-h:56px;}
    h1{font-size:32px;}
    h2{font-size:25px;}
    section{padding:56px 0;}
    .index_hero{height:calc(100vh - 56px);min-height:460px;}
    .index_hero-shade{background:linear-gradient(180deg,rgba(9,20,30,0.72) 0%,rgba(9,20,30,0.55) 55%,rgba(9,20,30,0.35) 100%);}
    .index_hero-cta{flex-direction:column;align-items:flex-start;}
    .index_tech-grid{grid-template-columns:1fr;}
    .index_ind-grid{grid-template-columns:1fr;}
    .index_footer-grid{grid-template-columns:1fr;}
}