/* ========== Super Smile Website ========== */
:root{
  --navy:#0A2540; --navy2:#123a63; --blue:#1E6FD9; --accent:#FF6B35;
  --bg:#f6f8fb; --white:#fff; --text:#2a3342; --muted:#5b6b7b; --line:#e3e8ef;
  --shadow:0 4px 20px rgba(10,37,64,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.65}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
section{padding:72px 0}

/* header */
.header{position:sticky;top:0;z-index:100;background:var(--navy);color:#fff}
.header .container{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{display:flex;align-items:center;gap:10px;height:63px}
.logo-img{height:63px;width:auto;display:block;object-fit:contain}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:20px;font-weight:800;color:#fff;letter-spacing:.5px}
.logo-name span{color:var(--accent)}
.logo-sub{font-size:11px;color:#9fb6d0;font-weight:400;letter-spacing:.2px}
@media(max-width:560px){.logo-img{height:51px}.logo-name{font-size:17px}.logo-sub{font-size:10px}}
.nav{display:flex;gap:26px}
.nav a{color:#cbd8e8;font-size:15px;font-weight:600;transition:.2s}
.nav a:hover,.nav a.active{color:#fff}
.nav-cta{background:var(--accent);color:#fff!important;padding:8px 16px;border-radius:6px}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}

/* hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 60%,#1a4f8a 100%);color:#fff;padding:90px 0 70px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:rgba(255,107,53,.12)}
.hero-badge{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:6px 14px;border-radius:20px;font-size:13px;letter-spacing:1px;margin-bottom:18px}
.hero h1{font-size:46px;line-height:1.2;margin-bottom:20px;font-weight:800}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{font-size:18px;color:#c9d8ea;max-width:640px;margin-bottom:32px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 28px;border-radius:8px;font-weight:700;font-size:15px;transition:.2s;cursor:pointer;border:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#e85a22}
.btn-ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5)}
.btn-ghost:hover{border-color:#fff}
.hero-stats{display:flex;gap:40px;margin-top:48px;flex-wrap:wrap}
.stat b{font-size:34px;color:#fff;display:block}
.stat span{color:#9fb6d0;font-size:14px}

/* section headers */
.sec-head{text-align:center;max-width:760px;margin:0 auto 48px}
.sec-head .tag{color:var(--accent);font-weight:700;letter-spacing:2px;font-size:13px;text-transform:uppercase;margin-bottom:8px;display:block}
.sec-head h2{font-size:34px;color:var(--navy);margin-bottom:12px}
.sec-head p{color:var(--muted);font-size:16px}

/* cards */
.cards{display:grid;gap:24px}
.cards-4{grid-template-columns:repeat(4,1fr)}
.cards-3{grid-template-columns:repeat(3,1fr)}
.cards-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border-radius:12px;padding:18px;box-shadow:var(--shadow);transition:.25s;border:1px solid var(--line)}
.card:hover{transform:translateY(-4px)}
.card .ico{font-size:24px;margin:0}
.card h3{font-size:17px;color:var(--navy);margin:0}
.card-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14px}

/* process */
.process{background:var(--navy);color:#fff}
.process .sec-head h2{color:#fff}
.process .sec-head p{color:#9fb6d0}
.process-steps{display:flex;align-items:stretch;gap:10px;justify-content:space-between}
.step{flex:1;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:14px 12px;position:relative}
.step .num{font-size:28px;font-weight:800;color:var(--accent);opacity:.9;margin:0}
.step h4{font-size:17px;margin:0}
.step-head{display:flex;align-items:center;gap:8px;justify-content:center}
.step-arrow{color:var(--accent);font-size:22px;font-weight:800;align-self:center}
.step p{display:none}

/* apps */
.apps{display:block}
.apps-box{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:14px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.app-ico{font-size:20px;flex:none}
.app{display:flex;align-items:center;gap:8px;background:#f6f8fb;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:13px;font-weight:600;color:var(--navy)}

/* products preview */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod{background:#fff;border-radius:10px;overflow:hidden;border:1px solid var(--line);transition:.25s;box-shadow:var(--shadow)}
.prod:hover{transform:translateY(-4px)}
.prod img{width:100%;height:190px;object-fit:contain;background:#fff}
.prod .info{padding:14px}
.prod .info b{font-size:14px;color:var(--navy);display:block}
.prod .info span{font-size:12px;color:var(--muted)}

/* category cards */
.cat-card{background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);transition:.25s;display:block;color:inherit}
.cat-card:hover{transform:translateY(-4px)}
.cat-card img{width:100%;height:200px;object-fit:contain;background:#fff}
.cat-card .cat-body{padding:18px}
.cat-card h3{font-size:17px;color:var(--navy);margin-bottom:4px}
.cat-card p{font-size:13px;color:var(--muted)}

/* about / factory */
.fact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fact-grid img{height:220px;width:100%;object-fit:cover;border-radius:10px}
.two-col{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.two-col img{border-radius:12px;box-shadow:var(--shadow)}

/* certs */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cert{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;text-align:center;box-shadow:var(--shadow)}
.cert b{display:block;color:var(--navy);font-size:16px;margin-bottom:6px}
.cert span{color:var(--muted);font-size:13px}

/* contact CTA */
.cta{background:linear-gradient(135deg,var(--accent),#f0541e);color:#fff;text-align:center;padding:64px 0}
.cta h2{font-size:30px;margin-bottom:12px}
.cta p{margin-bottom:26px;opacity:.95}
.cta .btn-primary{background:#fff;color:var(--accent)}
.cta .btn-ghost{border-color:#fff}

/* footer */
.footer{background:var(--navy);color:#9fb6d0;padding:48px 0 28px}
.footer .container{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
.footer h5{color:#fff;font-size:15px;margin-bottom:12px}
.footer a{color:#9fb6d0;display:block;margin-bottom:6px}
.footer a:hover{color:#fff}
.footer .bot{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:18px;font-size:13px;text-align:center}

/* filter buttons */
.filters{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:32px}
.filter-btn{padding:9px 20px;border-radius:20px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:14px;font-weight:600;color:var(--muted);transition:.2s}
.filter-btn.active,.filter-btn:hover{background:var(--navy);color:#fff;border-color:var(--navy)}

/* forms */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--navy)}
.field input,.field textarea,.field select{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit}
.field textarea{min-height:120px;resize:vertical}
.contact-info .ci{display:flex;gap:12px;margin-bottom:18px;align-items:flex-start}
.contact-info .ci b{display:block;color:var(--navy)}
.contact-info .ci span{color:var(--muted);font-size:14px}



/* hot product strip */
.hot-product{background:#fff;border-bottom:1px solid var(--line);padding:16px 0}
.hot-wrap{display:flex;align-items:center;gap:16px}
.hot-img{position:relative;flex:none;width:130px;height:84px;background:#fff;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center}
.hot-img img{max-width:100%;max-height:100%;object-fit:contain}
.hot-badge{position:absolute;top:-9px;right:-9px;background:#e53935;color:#fff;font-weight:900;font-size:12px;letter-spacing:.5px;padding:3px 7px;border-radius:7px;box-shadow:0 5px 12px rgba(229,57,53,.45);text-shadow:0 1px 2px rgba(0,0,0,.25)}
.hot-info h3{font-size:26px;color:#0A2540;margin-bottom:4px}
.hot-info p{font-size:13px;color:#5b6b7b;max-width:760px;line-height:1.5}
@media(max-width:560px){
  .hot-product{padding:12px 0}
  .hot-wrap{gap:10px}
  .hot-img{width:104px;height:70px}
  .hot-info h3{font-size:20px}
  .hot-info p{font-size:12px;line-height:1.4}
}


.about-hero-info{display:flex;align-items:center;gap:10px;margin-top:6px;max-width:820px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-radius:14px;padding:8px 12px;color:#fff}
.about-hero-info img{width:88px;height:auto;flex:none;object-fit:contain}
.about-hero-info p{font-size:14px;margin:2px 0;color:#e7eef7}
.about-hero-info strong{color:#fff}
@media(max-width:560px){.about-hero-info{flex-direction:column;align-items:flex-start;gap:10px}.about-hero-info img{width:64px}}


.about-credit{font-size:15px;color:#fff;margin-top:6px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-radius:10px;padding:4px 10px;max-width:560px;display:inline-block}
.about-credit strong{color:#fff}


.about-stats .stat b{color:#000}
.about-stats .stat span{color:#000}


.seo-keywords{color:#9fb6d0;font-size:12px;text-align:center;padding:0 20px;margin-bottom:10px}

/* floating contact FAB */
.fab{position:fixed;right:18px;bottom:80px;z-index:250;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.fab-main{width:68px;height:68px;border-radius:50%;border:none;background:#25D366;color:#fff;font-size:32px;cursor:pointer;box-shadow:0 12px 28px rgba(0,0,0,.30);transition:.2s;line-height:1;display:flex;align-items:center;justify-content:center}
.fab-main:hover{transform:scale(1.06)}
.fab-menu{display:none;flex-direction:column;align-items:flex-end;gap:12px}
.fab-menu.open{display:flex}
.fab-item{background:#fff;color:#0A2540;padding:12px 20px;font-size:15px;border-radius:26px;box-shadow:0 8px 20px rgba(0,0,0,.18);font-weight:700;text-decoration:none;white-space:nowrap;border:1px solid rgba(10,37,64,.08)}
.fab-item:hover{transform:translateY(-2px)}
.fab-item.wa{background:#25D366;color:#fff;border-color:#25D366}
@media(max-width:560px){.fab{right:12px;bottom:72px}.fab-main{width:60px;height:60px;font-size:28px}.fab-item{font-size:14px;padding:11px 16px}}


/* contact modal */
.contact-modal{display:none;position:fixed;inset:0;z-index:400}
.contact-modal.open{display:block}
.contact-modal-overlay{position:absolute;inset:0;background:rgba(10,37,64,.58);backdrop-filter:blur(2px)}
.contact-modal-box{position:relative;z-index:1;max-width:460px;margin:8vh auto;background:#fff;border-radius:14px;padding:28px;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.modal-close{position:absolute;top:14px;right:16px;border:none;background:none;font-size:30px;line-height:1;cursor:pointer;color:#7d8aa0}
.modal-close:hover{color:#0A2540}
.contact-modal-box h3{font-size:24px;color:#0A2540;margin-bottom:18px;padding-right:20px}
.contact-modal-box .field{margin-bottom:14px}
@media(max-width:560px){.contact-modal-box{margin:5vh 14px;padding:22px}.contact-modal-box h3{font-size:20px}}

/* admin link */
.admin-link{position:fixed;left:14px;right:auto;bottom:14px;background:rgba(10,37,64,.75);color:#fff;padding:8px 14px;border-radius:8px;font-size:12px;z-index:99}

@media(max-width:900px){
  .cards-4,.cards-3,.process-steps,.apps,.fact-grid,.cert-grid{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .two-col,.contact-grid,.footer .container{grid-template-columns:1fr}
  .hero h1{font-size:34px}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--navy);flex-direction:column;padding:16px 20px;gap:14px}
  .nav.open{display:flex}
  .nav-toggle{display:block}
}
@media(max-width:560px){
  .cards-4,.cards-3,.cards-2,.process-steps,.apps,.fact-grid,.cert-grid,.prod-grid{grid-template-columns:1fr}
}

/* ===== custom blocks ===== */
.blocks{display:flex;flex-direction:column;gap:40px;padding:0}
.block{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;background:#fff;border-radius:12px;padding:24px;box-shadow:var(--shadow);border:1px solid var(--line)}
.block-rev{direction:rtl}
.block-rev .block-txt,.block-rev .block-img{direction:ltr}
.block-img img{width:100%;height:260px;object-fit:cover;border-radius:10px}
.block-txt h3{font-size:24px;color:var(--navy);margin-bottom:12px}
.block-txt p{color:var(--muted);margin-bottom:16px}
@media(max-width:900px){.block{grid-template-columns:1fr}.block-rev{direction:ltr}.block-img img{height:200px}}

/* ===== language selector ===== */
#lang-box{position:relative}
.lang-btn{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:6px;padding:6px 12px;font-size:13px;cursor:pointer;white-space:nowrap}
.lang-menu{display:none;position:absolute;right:0;top:110%;background:#fff;border-radius:8px;box-shadow:0 8px 30px rgba(0,0,0,.2);max-height:320px;overflow-y:auto;min-width:180px;z-index:200;padding:6px}
.lang-menu.open{display:block}
.lang-opt{display:block;width:100%;text-align:left;padding:7px 10px;border:none;background:none;font-size:13px;cursor:pointer;border-radius:5px;color:#2a3342}
.lang-opt:hover,.lang-opt.active{background:#eef3fb;font-weight:700}
@media(max-width:560px){.lang-btn{padding:5px 8px;font-size:12px}}

/* ===== mobile compact layout ===== */
@media(max-width:900px){
  section{padding:44px 0}
  .hero{padding:56px 0 44px}
  .sec-head{margin:0 auto 32px}
}
@media(max-width:560px){
  section{padding:30px 0}
  .hero{padding:44px 0 36px}
  .hero h1{font-size:28px;margin-bottom:14px}
  .hero p{font-size:15px;margin-bottom:20px}
  .hero-stats{margin-top:22px;gap:16px}
  .stat b{font-size:26px}
  .sec-head{margin:0 auto 24px}
  .sec-head h2{font-size:26px}
  .card{padding:18px}
  .card .ico{font-size:24px;margin:0}
  .step{padding:18px}
  .step .num{font-size:26px;margin:0}
  .cat-card img{height:150px}
  .prod img{height:150px}
  .cta{padding:40px 0}
  .footer{padding:32px 0 20px}
}


/* ===== mobile layout refinements ===== */
@media(max-width:900px){
  .apps-box{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:repeat(3,1fr);gap:10px}
  .cert img{max-height:80px}
  .cert{padding:14px}
  .process-steps{gap:6px}
  .step-arrow{font-size:18px}
  .step{padding:12px 6px}
  .step-head{gap:5px}
  .step .num{font-size:20px}
  .step h4{font-size:13px}
  .card{padding:14px}
  .card-head{margin-bottom:6px}
  .card h3{font-size:15px}
  .card p{font-size:12px}
}
@media(max-width:560px){
  .card{padding:13px}
  .card-head{gap:6px;margin-bottom:5px}
  .card h3{font-size:14px}
  .card p{font-size:12px;line-height:1.45}
  .process-steps{gap:4px}
  .step-arrow{font-size:16px}
  .step{padding:10px 4px}
  .step-head{gap:4px}
  .step .num{font-size:18px}
  .step h4{font-size:12px}
  .apps-box{gap:8px;padding:10px}
  .app{padding:8px 10px;font-size:12px;gap:6px}
  .app-ico{font-size:17px}
  .cert-grid{grid-template-columns:repeat(3,1fr);gap:8px}
  .cert{padding:10px}
  .cert img{max-height:64px}
  .cert b{font-size:13px}
  .cert span{font-size:11px}
}