/* ============================================================
   BLOWTECH — Industrial Bottle Blowing Machinery
   Multi-language B2B export site  ·  shared stylesheet
   ============================================================ */
:root{
  --navy-950:#071726;
  --navy-900:#0a1f33;
  --navy-800:#0d2b45;
  --navy-700:#12395c;
  --navy-600:#1b4a75;
  --accent:#f59e0b;          /* industrial amber */
  --accent-strong:#d97706;
  --sky:#38bdf8;
  --sky-soft:#7dd3fc;
  --ink:#0f172a;
  --ink-soft:#475569;
  --line:#e2e8f0;
  --bg:#ffffff;
  --bg-soft:#f4f7fb;
  --ok:#16a34a;
  --radius:14px;
  --shadow:0 10px 30px rgba(7,23,38,.10);
  --shadow-lg:0 24px 60px rgba(7,23,38,.18);
  --container:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Inter","Segoe UI",system-ui,-apple-system,"PingFang SC","Noto Sans",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
[dir="rtl"]{letter-spacing:0}
.container{max-width:var(--container);margin-inline:auto;padding-inline:24px}

/* ---------- header ---------- */
.topbar{background:var(--navy-950);color:#cbd5e1;font-size:.82rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px;flex-wrap:wrap}
.topbar a{color:#e2e8f0;font-weight:500}
.topbar a:hover{color:var(--accent)}
.topbar .dot{color:var(--accent)}
.lang-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-block:4px}
.lang-bar a{padding:2px 7px;border-radius:6px;text-transform:uppercase;font-weight:600;letter-spacing:.04em}
.lang-bar a.active{background:var(--accent);color:#0a1f33}

.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:70px;gap:16px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:44px;height:44px;border-radius:12px;flex:none;
  background:linear-gradient(135deg,var(--navy-800),var(--navy-600));
  display:grid;place-items:center;color:var(--accent);
}
.brand-name{font-weight:800;font-size:1.15rem;letter-spacing:.02em;color:var(--navy-900);line-height:1.1}
.brand-tag{font-size:.68rem;color:var(--ink-soft);letter-spacing:.14em;text-transform:uppercase}
.main-nav ul{display:flex;gap:4px;align-items:center}
.main-nav a{padding:9px 13px;border-radius:9px;font-weight:600;font-size:.92rem;color:var(--ink)}
.main-nav a:hover{background:var(--bg-soft);color:var(--navy-800)}
.header-cta{display:flex;gap:10px;align-items:center}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2.5px;background:var(--navy-900);margin:5px 0;border-radius:2px;transition:.25s}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:.95rem;
  padding:13px 26px;border-radius:11px;border:2px solid transparent;cursor:pointer;
  transition:.2s;line-height:1.2;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#201200;box-shadow:0 8px 22px rgba(245,158,11,.35)}
.btn-primary:hover{background:var(--accent-strong);transform:translateY(-2px)}
.btn-dark{background:var(--navy-900);color:#fff}
.btn-dark:hover{background:var(--navy-700);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{border-color:var(--navy-900);color:var(--navy-900)}
.btn-outline:hover{background:var(--navy-900);color:#fff}
.btn-sm{padding:9px 18px;font-size:.85rem;border-radius:9px}
.btn-wa{background:#25d366;color:#052e16;box-shadow:0 8px 22px rgba(37,211,102,.35)}
.btn-wa:hover{background:#1fbf5a;transform:translateY(-2px)}

/* ---------- hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--navy-950)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,23,38,.93) 22%,rgba(7,23,38,.72) 48%,rgba(7,23,38,.30) 100%)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.hero .container{position:relative;z-index:2;padding-block:104px 92px;max-width:1180px}
.hero-kicker{display:inline-flex;align-items:center;gap:9px;background:rgba(245,158,11,.14);border:1px solid rgba(245,158,11,.45);color:var(--accent);padding:7px 15px;border-radius:999px;font-size:.82rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-bottom:22px}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);line-height:1.14;font-weight:800;max-width:19ch;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-sub{margin-top:18px;font-size:1.08rem;color:#cbd5e1;max-width:56ch}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-stats{display:flex;gap:clamp(20px,4vw,52px);margin-top:52px;flex-wrap:wrap}
.hero-stat{min-width:120px}
.hero-stat b{display:block;font-size:1.85rem;font-weight:800;color:#fff}
.hero-stat b i{font-style:normal;color:var(--sky-soft);font-size:1.1rem;font-weight:700}
.hero-stat span{font-size:.82rem;color:#94a3b8;text-transform:uppercase;letter-spacing:.08em}

/* ---------- trust strip ---------- */
.trust{background:var(--navy-800);color:#e2e8f0;padding-block:16px}
.trust .container{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:10px;font-size:.9rem;font-weight:600}
.trust-item svg{flex:none;color:var(--accent)}

/* ---------- sections ---------- */
section{padding-block:84px}
.section-head{max-width:760px;margin-bottom:48px}
.section-head.center{margin-inline:auto;text-align:center}
.eyebrow{color:var(--accent-strong);font-weight:800;text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;margin-bottom:12px;display:block}
h2{font-size:clamp(1.7rem,3.2vw,2.4rem);line-height:1.2;color:var(--navy-900);font-weight:800;letter-spacing:-.01em}
.section-head p{margin-top:14px;color:var(--ink-soft);font-size:1.04rem}
.on-dark h2,.on-dark h3{color:#fff}
.on-dark p{color:#b7c6d8}

/* ---------- product categories ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:.25s;position:relative;overflow:hidden;
}
.cat-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent);opacity:0;transition:.25s}
.cat-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:#c8d4e2}
.cat-card:hover::before{opacity:1}
.cat-icon{width:52px;height:52px;border-radius:13px;background:var(--bg-soft);display:grid;place-items:center;color:var(--navy-800);margin-bottom:18px}
.cat-card h3{font-size:1.12rem;color:var(--navy-900);margin-bottom:9px}
.cat-card p{color:var(--ink-soft);font-size:.93rem;margin-bottom:14px}
.cat-card .specs{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:16px}
.chip{background:var(--bg-soft);border:1px solid var(--line);color:var(--navy-700);font-size:.75rem;font-weight:700;padding:4px 10px;border-radius:999px}
.cat-link{color:var(--accent-strong);font-weight:700;font-size:.9rem;display:inline-flex;align-items:center;gap:6px}

/* ---------- machine showcase ---------- */
.dark-band{background:var(--navy-950);color:#fff}
.machine-row{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;padding-block:34px}
.machine-row + .machine-row{border-top:1px solid rgba(255,255,255,.09)}
.machine-row:nth-child(even) .machine-media{order:2}
.machine-media{position:relative}
.machine-media img{border-radius:var(--radius);box-shadow:var(--shadow-lg);aspect-ratio:1.25/1;object-fit:cover;width:100%}
.machine-media .badge{position:absolute;top:16px;inset-inline-start:16px;background:var(--accent);color:#201200;font-weight:800;font-size:.78rem;padding:6px 13px;border-radius:999px;letter-spacing:.04em}
.machine-info h3{font-size:1.5rem;font-weight:800;margin-bottom:12px}
.machine-info p{color:#b7c6d8;margin-bottom:20px}
.spec-table{width:100%;border-collapse:collapse;margin-bottom:22px;font-size:.92rem}
.spec-table td{padding:9px 4px;border-bottom:1px solid rgba(255,255,255,.10)}
.spec-table td:first-child{color:#8fa6bd;font-weight:600;width:44%}
.spec-table td:last-child{color:#fff;font-weight:700}

/* ---------- selector wizard ---------- */
.wizard{background:linear-gradient(160deg,var(--navy-800),var(--navy-950));border-radius:20px;padding:44px;box-shadow:var(--shadow-lg);color:#fff}
.wizard-steps{display:flex;gap:10px;margin-bottom:30px;flex-wrap:wrap}
.wstep{flex:1;min-width:150px;padding:13px 16px;border-radius:11px;border:1px solid rgba(255,255,255,.18);font-size:.88rem;font-weight:700;color:#93a8be;display:flex;gap:9px;align-items:center;transition:.2s}
.wstep i{font-style:normal;width:24px;height:24px;border-radius:50%;background:rgba(255,255,255,.12);display:grid;place-items:center;font-size:.8rem;flex:none}
.wstep.active{border-color:var(--accent);color:#fff;background:rgba(245,158,11,.10)}
.wstep.active i{background:var(--accent);color:#201200}
.wstep.done{color:var(--accent);border-color:rgba(245,158,11,.4)}
.wstep.done i{background:var(--accent);color:#201200}
.wizard q-option{}
.opt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.opt{
  border:1.5px solid rgba(255,255,255,.22);border-radius:12px;padding:18px 16px;cursor:pointer;
  font-weight:600;font-size:.95rem;text-align:start;color:#e2e8f0;background:rgba(255,255,255,.03);transition:.18s;
}
.opt small{display:block;color:#93a8be;font-weight:500;margin-top:4px;font-size:.8rem}
.opt:hover{border-color:var(--sky)}
.opt.selected{border-color:var(--accent);background:rgba(245,158,11,.12);color:#fff}
.opt.selected small{color:#fcd9a0}
.wizard-foot{display:flex;justify-content:space-between;align-items:center;margin-top:30px;gap:14px;flex-wrap:wrap}
.result-card{margin-top:26px;background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.4);border-radius:14px;padding:26px;display:none}
.result-card.show{display:block}
.result-card h3{color:var(--sky-soft);font-size:1.2rem;margin-bottom:8px}

/* ---------- applications ---------- */
.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.app-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg);transition:.25s}
.app-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.app-visual{aspect-ratio:16/10;display:grid;place-items:center;background:linear-gradient(140deg,var(--bg-soft),#e6eef8)}
.app-card .body{padding:18px}
.app-card h3{font-size:1rem;color:var(--navy-900)}
.app-card p{font-size:.85rem;color:var(--ink-soft);margin-top:6px}

/* ---------- advantages ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.adv-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.25s}
.adv-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.adv-num{font-size:.85rem;font-weight:800;color:var(--accent-strong);letter-spacing:.1em;margin-bottom:12px;display:block}
.adv-card h3{color:var(--navy-900);font-size:1.08rem;margin-bottom:10px}
.adv-card p{color:var(--ink-soft);font-size:.93rem}

/* ---------- process ---------- */
.proc-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;counter-reset:proc}
.proc-step{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.13);border-radius:13px;padding:22px 16px;position:relative;counter-increment:proc}
.proc-step::before{content:"0" counter(proc);display:block;font-size:1.5rem;font-weight:800;color:var(--accent);margin-bottom:10px;font-variant-numeric:tabular-nums}
.proc-step h3{font-size:.95rem;margin-bottom:7px}
.proc-step p{font-size:.82rem;color:#93a8be}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin-inline:auto}
.faq-item{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;background:var(--bg);overflow:hidden}
.faq-q{width:100%;background:none;border:0;cursor:pointer;text-align:start;padding:19px 22px;font-weight:700;font-size:1rem;color:var(--navy-900);display:flex;justify-content:space-between;gap:16px;align-items:center;font-family:inherit}
.faq-q .caret{transition:.25s;color:var(--accent-strong);flex:none}
.faq-item.open .caret{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 19px;color:var(--ink-soft);font-size:.95rem}

/* ---------- inquiry ---------- */
.inquiry{background:var(--bg-soft)}
.inquiry-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:44px;align-items:start}
.contact-card{background:var(--navy-900);border-radius:18px;padding:34px;color:#fff;position:sticky;top:96px}
.contact-card h3{font-size:1.3rem;margin-bottom:20px}
.contact-line{display:flex;gap:13px;align-items:flex-start;padding-block:12px;border-bottom:1px solid rgba(255,255,255,.1);font-size:.94rem}
.contact-line:last-of-type{border-bottom:0}
.contact-line svg{flex:none;color:var(--accent);margin-top:2px}
.contact-line a{color:#e2e8f0;font-weight:600}
.contact-line a:hover{color:var(--accent)}
.contact-line span{color:#93a8be}
.inquiry-form{background:#fff;border-radius:18px;padding:36px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-weight:700;font-size:.86rem;color:var(--navy-900)}
.field label b{color:#dc2626}
.field input,.field select,.field textarea{
  border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;font-size:.95rem;font-family:inherit;
  color:var(--ink);background:var(--bg);transition:.15s;width:100%;
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--sky);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.form-note{font-size:.8rem;color:var(--ink-soft);margin-top:14px}
.form-actions{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.form-ok{display:none;background:#eafaf0;border:1px solid #86dfa8;color:#14532d;border-radius:12px;padding:16px;font-weight:600;margin-top:16px}
.form-ok.show{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-950);color:#94a3b8;padding-block:64px 28px;font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:44px}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:16px;letter-spacing:.03em}
.site-footer ul li{margin-bottom:10px}
.site-footer a:hover{color:var(--accent)}
.footer-brand p{margin-top:14px;max-width:34ch}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.82rem}
.footer-langs{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.footer-langs a{color:#b7c6d8;border:1px solid rgba(255,255,255,.16);padding:4px 10px;border-radius:7px;font-size:.78rem;font-weight:700;text-transform:uppercase}
.footer-langs a:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- floating whatsapp ---------- */
.wa-float{
  position:fixed;inset-inline-end:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;
  background:#25d366;display:grid;place-items:center;box-shadow:0 12px 30px rgba(37,211,102,.45);transition:.2s;
}
.wa-float:hover{transform:scale(1.08)}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .cat-grid,.adv-grid{grid-template-columns:repeat(2,1fr)}
  .app-grid{grid-template-columns:repeat(2,1fr)}
  .proc-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .main-nav{display:none;position:absolute;top:70px;inset-inline:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;padding:14px 20px;gap:2px;align-items:stretch}
  .main-nav a{padding:13px 10px}
  .nav-toggle{display:block}
  .header-cta .btn{display:none}
  .header-cta .btn-wa{display:inline-flex}
}
@media (max-width:760px){
  section{padding-block:60px}
  .hero .container{padding-block:76px 64px}
  .machine-row{grid-template-columns:1fr;gap:26px;padding-block:28px}
  .machine-row:nth-child(even) .machine-media{order:0}
  .inquiry-grid{grid-template-columns:1fr}
  .contact-card{position:static}
  .form-grid{grid-template-columns:1fr}
  .opt-grid{grid-template-columns:1fr}
  .wizard{padding:26px 20px}
  .cat-grid,.adv-grid,.app-grid{grid-template-columns:1fr}
  .proc-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .topbar .container{justify-content:center}
}