/* =========================
   DDUTEC Unified Industrial Style
   Core: clean B2B layout + clear navigation + responsive product pages
========================= */

:root{
    --primary:#ff8800;
    --primary-dark:#ff6600;
    --dark:#0f172a;
    --text:#1e293b;
    --muted:#64748b;
    --line:#e5e7eb;
    --bg:#f8fbff;
    --soft:#eef7ff;
    --soft-blue:#eaf7ff;
    --white:#fff;
    --shadow:0 8px 24px rgba(15,23,42,0.08);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:"Segoe UI",Arial,Helvetica,sans-serif;background:linear-gradient(180deg,#f8fbff 0%,#f6f9fc 42%,#fff 100%);color:var(--text);line-height:1.8;font-size:16px;}
img{max-width:100%;height:auto;display:block;}
a{text-decoration:none;color:inherit;}
ul{padding-left:20px;}
.container{width:100%;max-width:1200px;margin:auto;padding:0 20px;}
section{padding:76px 0;}
h1,h2,h3{color:var(--dark);font-weight:700;line-height:1.25;}
p{color:var(--muted);}
.header{position:sticky;top:0;z-index:999;background:rgba(255,255,255,0.98);border-bottom:1px solid rgba(226,232,240,0.95);box-shadow:0 2px 12px rgba(15,23,42,0.06);backdrop-filter:blur(8px);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:32px;min-height:82px;padding:0 20px;}
.logo-block{display:flex;align-items:center;flex-shrink:0;line-height:1;}
.logo-block img{height:56px;width:auto;max-width:340px;object-fit:contain;}
.company-name{display:none;}
.nav{display:flex;align-items:center;gap:28px;flex-wrap:wrap;justify-content:flex-end;}
.nav a{color:#334155;font-size:15px;font-weight:700;transition:0.25s;}
.nav a:hover,.nav a[aria-current="page"]{color:var(--primary);}
.btn-primary,.product-btn,.inquiry-btn,.back-btn{background:var(--primary);color:#fff!important;border-radius:10px;font-weight:800;transition:0.25s;box-shadow:0 6px 16px rgba(255,136,0,0.22);}
.btn-primary:hover,.product-btn:hover,.inquiry-btn:hover,.back-btn:hover{background:var(--primary-dark);transform:translateY(-2px);}
.hero,.page-hero{position:relative;background:radial-gradient(circle at 12% 20%,rgba(255,136,0,0.12) 0,rgba(255,136,0,0) 28%),radial-gradient(circle at 85% 15%,rgba(14,165,233,0.16) 0,rgba(14,165,233,0) 30%),linear-gradient(135deg,#eaf7ff 0%,#f8fbff 54%,#eef4ff 100%);padding:108px 20px;overflow:hidden;}
.hero:after,.page-hero:after{content:"";position:absolute;right:-120px;bottom:-120px;width:360px;height:360px;border-radius:50%;background:rgba(255,136,0,0.10);}
.hero-content{position:relative;z-index:2;max-width:900px;margin:auto;text-align:center;}
.hero-kicker{display:inline-block;margin-bottom:14px;color:#0f766e;font-size:15px;font-weight:800;letter-spacing:.3px;}
.hero h1{font-size:50px;margin-bottom:22px;}
.hero p{font-size:19px;margin-bottom:32px;color:#334155;}
.hero-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.btn-primary,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;padding:14px 30px;border-radius:10px;font-weight:800;transition:0.25s;}
.btn-secondary{border:2px solid #fff;color:#fff;background:rgba(15,23,42,0.18);}
.btn-secondary:hover{background:#fff;color:var(--primary);transform:translateY(-2px);}
.dark-secondary{border-color:var(--dark);color:var(--dark);background:transparent;}
.dark-secondary:hover{background:var(--dark);color:#fff;}
.compact-hero{padding:70px 20px;text-align:center;}
.compact-hero h1{font-size:42px;margin-bottom:14px;}
.compact-hero p{max-width:760px;margin:auto;color:#334155;font-size:18px;}
.section-title{text-align:center;margin-bottom:44px;}
.section-title h2{font-size:36px;margin-bottom:14px;}
.section-title p{max-width:760px;margin:auto;}
.product-section{background:#f8fbff;}
.about-section{background:linear-gradient(180deg,#fff 0%,#f8fbff 100%);}
.trust-section{padding:26px 0;background:#fff;border-bottom:1px solid rgba(226,232,240,0.9);}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.trust-item{background:#fff;border:1px solid rgba(226,232,240,0.95);border-radius:16px;padding:20px;text-align:center;box-shadow:0 6px 18px rgba(15,23,42,0.05);}
.trust-item strong{display:block;color:var(--dark);font-size:22px;line-height:1.25;margin-bottom:6px;}
.trust-item span{display:block;color:var(--muted);font-size:14px;font-weight:700;}
.solution-highlight{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,0.75fr);gap:34px;align-items:center;background:#fff;border:1px solid rgba(226,232,240,0.9);border-radius:20px;box-shadow:var(--shadow);padding:44px;}
.solution-highlight.reverse{grid-template-columns:minmax(0,1fr) minmax(320px,1fr);}
.eyebrow{color:#0f766e;font-weight:900;text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px;font-size:13px;}
.solution-highlight h2{font-size:34px;margin-bottom:16px;}
.solution-list{background:#f8fafc;border:1px solid #eef2f7;border-radius:16px;padding:24px 24px 24px 44px;margin-top:0;}
.mini-cards{display:grid;gap:16px;}
.mini-card{background:#fff;border:1px solid rgba(226,232,240,0.9);border-radius:16px;padding:22px;box-shadow:0 6px 18px rgba(15,23,42,0.06);}
.mini-card strong{display:block;color:var(--dark);font-size:18px;margin-bottom:8px;}
.mini-card span{display:block;color:var(--muted);}
.case-section{background:#f8fbff;overflow:hidden;padding-top:70px;}
.case-slider{position:relative;overflow:hidden;border-radius:18px;padding:6px 0;}
.case-track{display:flex;gap:24px;width:max-content;animation:case-scroll 38s linear infinite;}
.case-slider:hover .case-track{animation-play-state:paused;}
.case-card{width:300px;flex:0 0 auto;background:#fff;border:1px solid rgba(226,232,240,0.9);border-radius:16px;box-shadow:var(--shadow);overflow:hidden;}
.case-card img{width:100%;height:210px;object-fit:cover;background:#e2e8f0;}
.case-card p{padding:14px 16px;font-size:14px;color:#334155;font-weight:700;}
@keyframes case-scroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.about-box,.contact-card,.detail-section,.feature-box,.product-card{background:#fff;border-radius:16px;box-shadow:var(--shadow);}
.about-box{padding:44px;border:1px solid rgba(226,232,240,0.9);}
.about-box p+p{margin-top:14px;}
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px;align-items:stretch;}
.product-card{overflow:hidden;border:1px solid rgba(226,232,240,0.85);transition:0.25s;display:flex;flex-direction:column;height:100%;}
.product-card:hover{transform:translateY(-6px);box-shadow:0 14px 32px rgba(15,23,42,0.12);}
.product-card img{width:100%;height:230px;object-fit:contain;background:#fff;padding:16px;border-bottom:1px solid rgba(226,232,240,0.75);}
.product-card img[src*="raman"]{padding:10px;}
.product-content{padding:24px;display:flex;flex-direction:column;flex:1;}
.product-content h3{margin-bottom:10px;font-size:21px;}
.product-content p{margin-bottom:18px;}
.product-btn{display:inline-flex;align-items:center;justify-content:center;align-self:flex-start;margin-top:auto;padding:10px 22px;background:#1e293b;box-shadow:none;}
.market-flags,.flag-list,.country-list,.country-flags{display:flex;justify-content:center;align-items:stretch;gap:18px;flex-wrap:wrap;margin-top:28px;}
.flag-card,.country-card,.market-card{background:#fff;border:1px solid rgba(226,232,240,0.9);border-radius:14px;padding:18px 20px;text-align:center;box-shadow:var(--shadow);}
.flag-card img,.country-card img,.market-card img,img.flag,.flag-img,main img[src*="flag"],main img[src*="Flag"],main img[src*="chile"],main img[src*="peru"],main img[src*="ecuador"],main img[src*="brazil"],main img[src*="colombia"]{width:72px;height:48px;object-fit:cover;border-radius:6px;margin:0 auto 10px;box-shadow:0 4px 12px rgba(15,23,42,0.12);border:1px solid rgba(226,232,240,0.9);}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;}
.feature-box{padding:32px;text-align:center;border:1px solid rgba(226,232,240,0.9);}
.feature-box h3{margin-bottom:10px;}
.contact-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,0.85fr);gap:28px;align-items:start;}
.contact-card{padding:38px;border:1px solid rgba(226,232,240,0.9);}
.contact-card h2{font-size:28px;margin-bottom:14px;}
.contact-list{margin:24px 0;}
.contact-list p{margin-bottom:10px;color:var(--text);}
.contact-list a,.footer a:hover,.about-box a{color:var(--primary);}
.contact-actions{justify-content:flex-start;}
.muted-card{background:#f8fafc;}
.check-list{margin-top:16px;color:var(--text);}
.check-list li{margin-bottom:10px;}
.footer{background:var(--dark);color:#cbd5e1;padding:34px 20px 22px;}
.footer-compact{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:start;padding-bottom:18px;}
.footer h3{color:#fff;margin-bottom:10px;font-size:18px;}
.footer p{color:#cbd5e1;margin-bottom:4px;}
.footer a{color:#cbd5e1;transition:0.25s;}
.footer-bottom{text-align:center;color:#94a3b8;border-top:1px solid rgba(255,255,255,0.10);padding-top:16px;font-size:14px;}
.whatsapp{position:fixed;right:20px;bottom:20px;background:#25D366;color:#fff;padding:14px 18px;border-radius:999px;font-weight:800;box-shadow:0 8px 22px rgba(0,0,0,0.22);z-index:999;}
.detail-page{padding:60px 0;}
.detail-container{width:90%;max-width:1200px;margin:auto;}
.back-btn{display:inline-flex;align-items:center;gap:10px;padding:12px 26px;border:none;font-size:15px;cursor:pointer;margin-bottom:35px;}
.detail-top{display:flex;gap:50px;align-items:flex-start;flex-wrap:wrap;}
.detail-gallery,.detail-info{flex:1;min-width:320px;}
.detail-main-image{background:#fff;border-radius:16px;overflow:hidden;border:1px solid #eee;box-shadow:var(--shadow);}
.detail-main-image img{width:100%;height:auto;max-height:560px;object-fit:contain;background:#fff;cursor:pointer;transition:0.25s;padding:14px;}
.detail-main-image img:hover{transform:scale(1.02);}
.detail-thumbnails{display:flex;gap:14px;margin-top:18px;overflow-x:auto;padding-bottom:4px;}
.detail-thumbnails img{width:92px;height:92px;object-fit:contain;border-radius:10px;cursor:pointer;border:2px solid transparent;background:#fff;flex-shrink:0;transition:0.25s;}
.detail-thumbnails img:hover{border-color:var(--primary);transform:translateY(-3px);}
.detail-info h1{font-size:38px;margin-bottom:18px;}
.detail-info p{font-size:16px;line-height:1.9;}
.inquiry-btn{display:inline-block;margin-top:28px;padding:15px 36px;}
.detail-section{margin-top:58px;padding:42px;border:1px solid rgba(226,232,240,0.9);}
.detail-section h2{margin-bottom:26px;font-size:30px;}
.detail-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;}
.detail-feature-item{background:#f8fafc;padding:24px;border-radius:12px;border:1px solid #eef2f7;transition:0.25s;}
.detail-feature-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.detail-spec-table{width:100%;border-collapse:collapse;}
.detail-spec-table tr:nth-child(even){background:#f8fafc;}
.detail-spec-table td{padding:15px 18px;border:1px solid var(--line);font-size:15px;}
.detail-spec-table td:first-child{width:320px;font-weight:800;background:#f1f5f9;color:var(--dark);}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,0.88);display:none;justify-content:center;align-items:center;z-index:9999;}
.lightbox img{max-width:90%;max-height:90%;border-radius:10px;}
@media(max-width:900px){.nav-wrap{flex-direction:column;align-items:center;padding:12px 16px;gap:10px;}.logo-block img{height:52px;max-width:320px;}.nav{justify-content:center;gap:16px;}.contact-layout,.solution-highlight,.solution-highlight.reverse{grid-template-columns:1fr;}.trust-grid{grid-template-columns:repeat(2,1fr);}.case-card{width:260px;}.case-card img{height:180px;}}
@media(max-width:768px){section{padding:54px 0;}.nav-wrap{min-height:auto;}.logo-block{justify-content:center;max-width:100%;}.logo-block img{height:46px;max-width:286px;}.nav a{font-size:14px;}.hero{padding:76px 20px 82px;}.hero h1{font-size:34px;}.hero p{font-size:16px;}.hero-kicker{font-size:13px;}.hero-buttons{flex-direction:column;align-items:stretch;}.compact-hero h1{font-size:32px;}.section-title h2{font-size:30px;}.solution-highlight{padding:26px;}.solution-highlight h2{font-size:28px;}.trust-grid{grid-template-columns:1fr;}.about-box,.contact-card,.detail-section{padding:24px;}.product-card img{height:210px;padding:14px;}.flag-card img,.country-card img,.market-card img,img.flag,.flag-img,main img[src*="flag"],main img[src*="Flag"],main img[src*="chile"],main img[src*="peru"],main img[src*="ecuador"],main img[src*="brazil"],main img[src*="colombia"]{width:58px;height:38px;margin-bottom:8px;}.market-flags,.flag-list,.country-list,.country-flags{gap:12px;margin-top:20px;}.flag-card,.country-card,.market-card{padding:14px 16px;}.detail-info h1{font-size:28px;}.detail-main-image img{max-height:430px;}.detail-spec-table{display:block;overflow-x:auto;white-space:nowrap;}.back-btn,.inquiry-btn{width:100%;justify-content:center;text-align:center;}.footer-compact{grid-template-columns:1fr;gap:18px;text-align:center;}.whatsapp{right:14px;bottom:14px;padding:12px 16px;font-size:14px;}.case-track{animation-duration:28s;}.case-card{width:230px;}.case-card img{height:160px;}}
@media(max-width:420px){.logo-block img{height:42px;max-width:250px;}.nav{gap:12px;}.nav a{font-size:13px;}.product-card img{height:190px;}.flag-card img,.country-card img,.market-card img,img.flag,.flag-img,main img[src*="flag"],main img[src*="Flag"],main img[src*="chile"],main img[src*="peru"],main img[src*="ecuador"],main img[src*="brazil"],main img[src*="colombia"]{width:50px;height:33px;}}