/* ==========================================================================
   LEOtherm — Elegant Industrial Design System
   ========================================================================== */
:root{
  --navy:#0d1b2a; --navy-2:#12263a; --navy-3:#1b3a57;
  --steel:#3a5a78; --steel-light:#e8eef3;
  --copper:#c8742f; --copper-light:#e0964f; --copper-dark:#a85d20;
  --ink:#1a2330; --body:#42505f; --muted:#7a8794;
  --line:#dfe5ea; --line-soft:#eef2f5;
  --bg:#ffffff; --bg-soft:#f6f8fa; --bg-soft-2:#eef2f6;
  --white:#ffffff;
  --serif:"Playfair Display",Georgia,"Times New Roman",serif;
  --sans:"Inter","Helvetica Neue",Arial,sans-serif;
  --shadow-sm:0 1px 3px rgba(13,27,42,.06),0 1px 2px rgba(13,27,42,.04);
  --shadow:0 6px 24px rgba(13,27,42,.08);
  --shadow-lg:0 18px 48px rgba(13,27,42,.14);
  --radius:4px; --radius-lg:8px;
  --wrap:1240px;
  --ease:cubic-bezier(0.23,1,0.32,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--body);background:var(--bg);line-height:1.7;font-size:16px;font-weight:400;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.serif{font-family:var(--serif)}

/* Titles (NO H1 anywhere — visual hierarchy via classes) */
.eyebrow{font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;font-weight:600;color:var(--copper);margin-bottom:14px}
.eyebrow.on-dark{color:var(--copper-light)}
.display{font-family:var(--serif);font-weight:600;line-height:1.12;color:var(--ink);font-size:clamp(2.1rem,5vw,3.6rem);letter-spacing:-.01em}
.display.on-dark{color:#fff}
.h2{font-family:var(--serif);font-weight:600;line-height:1.18;color:var(--ink);font-size:clamp(1.7rem,3.5vw,2.5rem);letter-spacing:-.01em}
.h2.on-dark{color:#fff}
.h3{font-family:var(--serif);font-weight:600;color:var(--ink);font-size:1.3rem;line-height:1.3}
.h4{font-weight:600;color:var(--ink);font-size:1.05rem}
.lead{font-size:1.16rem;line-height:1.75;color:var(--body)}
.lead.on-dark{color:rgba(255,255,255,.82)}
p{margin-bottom:1rem}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.center{text-align:center}
.maxw-720{max-width:720px;margin-left:auto;margin-right:auto}
.text-copper{color:var(--copper)}
.divider-mark{width:54px;height:3px;background:var(--copper);border-radius:2px;margin:18px 0}
.center .divider-mark{margin-left:auto;margin-right:auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--sans);font-weight:600;font-size:.95rem;
  padding:14px 30px;border-radius:var(--radius);border:1.5px solid transparent;cursor:pointer;transition:all .2s var(--ease);letter-spacing:.01em}
.btn:active{transform:scale(.975)}
.btn-primary{background:var(--copper);color:#fff;border-color:var(--copper)}
.btn-primary:hover{background:var(--copper-dark);border-color:var(--copper-dark);box-shadow:0 8px 22px rgba(168,93,32,.32)}
.btn-dark{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn-dark:hover{background:var(--navy-3)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--navy);color:var(--navy)}
.btn-outline.on-dark{color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline.on-dark:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-wa{background:#25d366;color:#fff;border-color:#25d366}
.btn-wa:hover{background:#1da851;border-color:#1da851}
.btn-sm{padding:10px 20px;font-size:.875rem}
.btn-block{display:flex;width:100%;justify-content:center}

/* Header */
.topbar{background:var(--navy-2);color:rgba(255,255,255,.72);font-size:.82rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:40px;gap:18px}
.topbar a{color:rgba(255,255,255,.72)}.topbar a:hover{color:#fff}
.topbar-left{display:flex;gap:22px;align-items:center}
.topbar-right{display:flex;gap:18px;align-items:center}
.topbar .ti{display:inline-flex;align-items:center;gap:6px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .3s var(--ease)}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:38px;width:auto}
.brand-txt{font-family:var(--serif);font-weight:700;font-size:1.35rem;color:var(--navy);letter-spacing:.01em}
.nav-menu{display:flex;align-items:center;gap:4px;list-style:none}
.nav-menu>li{position:relative}
.nav-menu>li>a{display:flex;align-items:center;gap:5px;padding:10px 16px;font-weight:500;font-size:.94rem;color:var(--ink);border-radius:var(--radius)}
.nav-menu>li>a:hover{color:var(--copper)}
.nav-menu .caret{width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin-top:-3px;opacity:.6}
.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:248px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s var(--ease)}
.nav-menu>li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:11px 14px;border-radius:var(--radius);font-size:.9rem;color:var(--body)}
.dropdown a:hover{background:var(--bg-soft);color:var(--copper)}
.dropdown a .d-sub{display:block;font-size:.76rem;color:var(--muted);margin-top:2px}
.nav-right{display:flex;align-items:center;gap:14px}
.lang-switch{position:relative}
.lang-btn{display:flex;align-items:center;gap:7px;padding:8px 12px;border:1px solid var(--line);border-radius:var(--radius);font-size:.86rem;font-weight:500;color:var(--ink);background:#fff;cursor:pointer}
.lang-btn:hover{border-color:var(--steel)}
.lang-menu{position:absolute;top:calc(100% + 6px);right:0;min-width:160px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:6px;opacity:0;visibility:hidden;transform:translateY(6px);transition:all .2s var(--ease);z-index:20}
.lang-switch.open .lang-menu{opacity:1;visibility:visible;transform:translateY(0)}
.lang-menu a{display:block;padding:9px 12px;border-radius:var(--radius);font-size:.875rem;color:var(--body)}
.lang-menu a:hover{background:var(--bg-soft);color:var(--copper)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--navy);transition:all .25s var(--ease)}

/* Hero */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(13,27,42,.96) 0%,rgba(13,27,42,.82) 42%,rgba(13,27,42,.55) 100%)}
.hero-inner{position:relative;z-index:2;padding:118px 0 104px;max-width:760px}
.hero .badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero .badge{display:inline-flex;align-items:center;gap:7px;font-size:.82rem;font-weight:500;color:rgba(255,255,255,.9);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);padding:7px 14px;border-radius:40px}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}

/* Stat bar */
.statbar{background:var(--navy-3);color:#fff}
.statbar .grid{display:grid;grid-template-columns:repeat(4,1fr)}
.statbar .stat{padding:34px 24px;text-align:center;border-right:1px solid rgba(255,255,255,.1)}
.statbar .stat:last-child{border-right:none}
.statbar .num{font-family:var(--serif);font-size:2.3rem;font-weight:600;color:var(--copper-light);line-height:1}
.statbar .lbl{font-size:.84rem;color:rgba(255,255,255,.72);margin-top:8px;letter-spacing:.02em}

/* Generic grids */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}

/* Cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:all .25s var(--ease);height:100%;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:transparent}
.card .ph{aspect-ratio:4/3;overflow:hidden;background:var(--bg-soft)}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .ph img{transform:scale(1.05)}
.card .body{padding:24px;display:flex;flex-direction:column;flex:1}
.tag{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;padding:4px 10px;border-radius:3px;margin-bottom:12px}
.tag.carbon{background:#fbe9da;color:var(--copper-dark)}
.tag.stainless{background:#e3edf4;color:var(--steel)}
.card .spec{font-size:.85rem;color:var(--muted);margin:4px 0;display:flex;justify-content:space-between;gap:10px}
.card .spec b{color:var(--ink);font-weight:600}

/* Feature item */
.feature{padding:30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);transition:all .25s var(--ease);height:100%}
.feature:hover{box-shadow:var(--shadow);border-color:transparent}
.feature .ic{width:52px;height:52px;border-radius:var(--radius);background:var(--steel-light);color:var(--navy-3);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feature .ic svg{width:26px;height:26px}

/* Sections w/ soft bg */
.bg-soft{background:var(--bg-soft)}
.bg-navy{background:var(--navy);color:#fff}
.bg-navy .h2,.bg-navy .h3,.bg-navy .h4{color:#fff}
.bg-navy p{color:rgba(255,255,255,.78)}

/* Media object */
.media-img{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.media-img img{width:100%;height:100%;object-fit:cover}

/* Breadcrumb */
.crumb{font-size:.84rem;color:var(--muted);padding:18px 0}
.crumb a:hover{color:var(--copper)}
.crumb span{margin:0 8px;opacity:.5}

/* Page header band */
.page-band{background:var(--navy);color:#fff;padding:70px 0 64px;position:relative;overflow:hidden}
.page-band .bg{position:absolute;inset:0;opacity:.18;background-size:cover;background-position:center}
.page-band .inner{position:relative;z-index:2;max-width:760px}

/* Filter bar */
.filterbar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px;justify-content:center}
.filterbar button{padding:9px 22px;border:1px solid var(--line);background:#fff;border-radius:40px;font-size:.9rem;font-weight:500;color:var(--body);cursor:pointer;transition:all .2s var(--ease)}
.filterbar button:hover{border-color:var(--steel)}
.filterbar button.active{background:var(--navy);color:#fff;border-color:var(--navy)}

/* Spec table */
.spec-table{width:100%;border-collapse:collapse;font-size:.92rem}
.spec-table th,.spec-table td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line)}
.spec-table th{background:var(--bg-soft);font-weight:600;color:var(--ink);width:42%}
.spec-table tr:last-child td,.spec-table tr:last-child th{border-bottom:none}
.spec-table.dense th{width:auto}

/* Gallery */
.gallery .main{aspect-ratio:4/3;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-soft);box-shadow:var(--shadow)}
.gallery .main img{width:100%;height:100%;object-fit:cover}
.gallery .thumbs{display:flex;gap:12px;margin-top:14px}
.gallery .thumbs button{flex:1;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;border:2px solid transparent;cursor:pointer;background:none;padding:0}
.gallery .thumbs button.active{border-color:var(--copper)}
.gallery .thumbs img{width:100%;height:100%;object-fit:cover}

/* Inquiry channels */
.channels{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.channel{display:flex;flex-direction:column;align-items:center;gap:8px;padding:20px 12px;border:1px solid var(--line);border-radius:var(--radius-lg);text-align:center;transition:all .2s var(--ease)}
.channel:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.channel .ic{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff}
.channel.form .ic{background:var(--navy)} .channel.wa .ic{background:#25d366} .channel.mail .ic{background:var(--copper)}
.channel small{color:var(--muted);font-size:.78rem}
.channel b{color:var(--ink);font-size:.92rem}

/* Process steps */
.steps{counter-reset:step}
.step{display:grid;grid-template-columns:64px 1fr;gap:22px;padding:26px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:none}
.step .n{counter-increment:step;width:52px;height:52px;border-radius:50%;background:var(--navy);color:#fff;font-family:var(--serif);font-size:1.3rem;font-weight:600;display:flex;align-items:center;justify-content:center}
.step .n::before{content:counter(step,decimal-leading-zero)}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 4px;cursor:pointer;font-weight:600;color:var(--ink);font-size:1.05rem}
.faq-q .pm{flex-shrink:0;width:24px;height:24px;position:relative}
.faq-q .pm::before,.faq-q .pm::after{content:"";position:absolute;background:var(--copper);transition:transform .25s var(--ease)}
.faq-q .pm::before{top:11px;left:2px;right:2px;height:2px}
.faq-q .pm::after{left:11px;top:2px;bottom:2px;width:2px}
.faq-item.open .pm::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a .inner{padding:0 4px 22px;color:var(--body)}

/* Form */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:.86rem;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);font-family:inherit;font-size:.94rem;color:var(--ink);background:#fff;transition:border-color .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--steel)}
.field textarea{min-height:130px;resize:vertical}

/* Trust strip */
.trust-strip{display:flex;flex-wrap:wrap;gap:14px 40px;justify-content:center;align-items:center;padding:26px 0}
.trust-strip .t{display:flex;align-items:center;gap:9px;font-size:.9rem;font-weight:500;color:var(--body)}
.trust-strip .t svg{width:20px;height:20px;color:var(--copper)}

/* Callout band */
.cta-band{background:linear-gradient(120deg,var(--navy) 0%,var(--navy-3) 100%);color:#fff;border-radius:var(--radius-lg);padding:56px;text-align:center}
.cta-band .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:26px}

/* Footer */
.site-footer{background:var(--navy);color:rgba(255,255,255,.66);padding:64px 0 0;font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.site-footer .brand-txt{color:#fff}
.site-footer h5{color:#fff;font-size:.95rem;font-weight:600;margin-bottom:18px;letter-spacing:.02em}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:11px}
.site-footer a:hover{color:var(--copper-light)}
.footer-contact .c{display:flex;gap:10px;margin-bottom:14px;align-items:flex-start}
.footer-contact svg{width:17px;height:17px;flex-shrink:0;margin-top:3px;color:var(--copper-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.82rem;color:rgba(255,255,255,.5)}
.footer-social{display:flex;gap:12px}
.footer-social a{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center}
.footer-social a:hover{background:var(--copper)}
.footer-social svg{width:16px;height:16px;color:#fff}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* Utility */
.mt-0{margin-top:0}.mb-0{margin-bottom:0}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}
.list-check{list-style:none}
.list-check li{position:relative;padding-left:30px;margin-bottom:12px}
.list-check li::before{content:"";position:absolute;left:0;top:7px;width:18px;height:18px;background:var(--copper);border-radius:50%;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");background-size:11px;background-repeat:no-repeat;background-position:center}
.note{font-size:.82rem;color:var(--muted);font-style:italic}

/* Responsive */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .grid-2{gap:36px}
}
@media(max-width:860px){
  .topbar{display:none}
  .nav-menu{position:fixed;top:74px;left:0;right:0;bottom:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:16px 24px;transform:translateX(-100%);transition:transform .3s var(--ease);overflow-y:auto;border-top:1px solid var(--line)}
  .nav-menu.open{transform:translateX(0)}
  .nav-menu>li>a{padding:15px 0;border-bottom:1px solid var(--line-soft)}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding:0 0 8px 14px;min-width:0}
  .nav-toggle{display:flex}
  .nav-right .lang-switch{display:none}
  .statbar .grid{grid-template-columns:1fr 1fr}
  .statbar .stat:nth-child(2){border-right:none}
  .grid-2,.grid-3,.form-grid,.channels{grid-template-columns:1fr}
  .section{padding:64px 0}
  .cta-band{padding:40px 24px}
  .step{grid-template-columns:48px 1fr;gap:16px}
}
@media(max-width:520px){
  .grid-4{grid-template-columns:1fr}
  .hero-inner{padding:80px 0 70px}
  .trust-strip{gap:12px 22px}
}

/* ---- Contact page components ---- */
.contact-cards{display:grid;grid-template-columns:1fr;gap:14px;margin-bottom:8px}
.contact-card{display:flex;align-items:center;gap:14px;padding:16px 18px;background:var(--steel-light);border-radius:var(--radius);text-decoration:none;color:var(--ink);transition:transform .15s ease,box-shadow .15s ease}
.contact-card:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,0,0,.08)}
.contact-card .ic{width:44px;height:44px;flex:0 0 44px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center}
.contact-card .ic svg{width:22px;height:22px}
.contact-card.wa .ic{background:#25d366}
.contact-card div{display:flex;flex-direction:column;line-height:1.3}
.contact-card b{font-size:14px;color:var(--ink);font-weight:600}
.contact-card span{font-size:14px;color:var(--muted)}

.addr-block{display:flex;flex-direction:column;gap:16px}
.addr{display:flex;align-items:flex-start;gap:14px}
.addr .ic{width:36px;height:36px;flex:0 0 36px;border-radius:8px;background:var(--steel-light);color:var(--navy-3);display:flex;align-items:center;justify-content:center}
.addr .ic svg{width:18px;height:18px}
.addr b{display:block;font-size:14px;color:var(--ink);font-weight:600;margin-bottom:4px}
.addr p{margin:0;font-size:14px;color:var(--muted);line-height:1.5}

.hours{padding:14px 16px;background:var(--steel-light);border-radius:var(--radius)}
.hours b{display:block;font-size:14px;color:var(--ink);font-weight:600;margin-bottom:4px}
.hours p{margin:0;font-size:14px;color:var(--muted)}

/* Inquiry form */
.inquiry-form{display:flex;flex-direction:column;gap:14px}
.inquiry-form .frow{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.inquiry-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--ink);font-weight:500}
.inquiry-form input,.inquiry-form select,.inquiry-form textarea{padding:10px 12px;border:1px solid #d8dde3;border-radius:8px;font:inherit;font-size:14px;background:#fff;color:var(--ink);transition:border-color .15s}
.inquiry-form input:focus,.inquiry-form select:focus,.inquiry-form textarea:focus{outline:none;border-color:var(--navy)}
.inquiry-form textarea{resize:vertical;min-height:110px}
.inquiry-form .note{font-size:12px;color:var(--muted);line-height:1.5;margin:0}
@media(max-width:720px){.inquiry-form .frow{grid-template-columns:1fr}}

/* Form submission notices */
.form-notice{padding:14px 18px;border-radius:var(--radius);margin-bottom:18px;font-size:14px;line-height:1.5}
.form-notice-ok{background:#e7f7ec;color:#1b6b3a;border:1px solid #b9e4c6}
.form-notice-err{background:#fdecec;color:#9a1f1f;border:1px solid #f4c2c2}