/* =========================================================
   INTERNATIONAL RUBBER (IR) — shared stylesheet
   Design: clean / modern / minimalist (ref: hundredable.com)
   Type:   Inter (same family hundredable uses)
   Brand:  Red / White / Black
   ========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');
:root{
  --red:      #d81f26;
  --red-dark: #a8141a;
  --black:    #0e0e0e;
  --ink:      #1c1c1c;
  --muted:    #6b7280;
  --white:    #ffffff;
  --bg-soft:  #f7f8fa;
  --border:   #e7e9ee;
  --radius:   14px;
  --shadow:   0 10px 30px rgba(16,18,22,.06);
  --maxw:     1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,Arial,sans-serif;color:var(--ink);
     line-height:1.65;background:var(--white);-webkit-font-smoothing:antialiased;
     letter-spacing:-.011em}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container.wide{max-width:1440px}
.container.full{max-width:none;padding:0 30px}
section{padding:38px 0}

/* ---------- Buttons ---------- */
.btn{display:inline-block;background:var(--red);color:#fff;padding:14px 28px;border-radius:10px;
     font-weight:700;letter-spacing:.2px;transition:.2s;border:none;cursor:pointer;font-size:1rem}
.btn:hover{background:var(--red-dark);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--border)}
.btn-ghost:hover{background:var(--bg-soft);border-color:#d4d8e0;transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--black)}
.btn-outline{background:transparent;border:2px solid rgba(255,255,255,.7);color:#fff}
.btn-outline:hover{background:#fff;color:var(--black)}

/* ---------- Headings ---------- */
h1,h2,h3{color:var(--black);line-height:1.15;letter-spacing:-.025em;font-weight:800}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.78rem;font-weight:700;
         letter-spacing:.14em;text-transform:uppercase;color:var(--red);margin-bottom:18px}
.eyebrow::before{content:'';width:26px;height:2px;background:var(--red)}
.section-head{text-align:center;max-width:680px;margin:0 auto 22px}
.section-head h2{font-size:2.3rem;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:1.08rem}

/* ---------- Header / Nav ---------- */
header{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
       z-index:100;border-bottom:1px solid var(--border)}
nav{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;max-width:var(--maxw);margin:0 auto}
.logo img{height:88px;width:auto}
.nav-links{display:flex;gap:30px;align-items:center;margin-left:auto}
.nav-links a{font-weight:600;color:#374151;font-size:.97rem}
.nav-links a:hover{color:var(--red)}
.nav-links a.active{color:var(--red)}
.nav-links a.btn.active{color:#fff}
.nav-links .btn{color:#fff;padding:10px 20px}
.menu-btn{display:none;font-size:1.6rem;background:none;border:none;cursor:pointer;color:var(--black)}

/* ---------- Photo placeholders (blank, labeled A1, A2 …) ---------- */
.photo{position:relative;background:
        repeating-linear-gradient(45deg,#f0f1f4 0 12px,#f5f6f8 12px 24px);
       border:2px dashed #c9ccd4;border-radius:var(--radius);
       display:flex;flex-direction:column;align-items:center;justify-content:center;
       color:#9aa0ad;text-align:center;min-height:220px;gap:4px;overflow:hidden}
.photo .tag{font-size:2rem;font-weight:800;color:var(--red);letter-spacing:1px}
.photo .hint{font-size:.78rem;letter-spacing:1.5px;text-transform:uppercase;font-weight:600}
.photo.hero-photo{min-height:380px}
.photo.wide{min-height:300px}
.photo.tall{min-height:340px}
.photo.square{aspect-ratio:1/1;min-height:0}
.photo.has-img{border:1px solid var(--border);background:#fff;padding:0;overflow:hidden;
               min-height:0;display:block}
.photo.has-img img{display:block;width:100%;height:auto;border-radius:inherit}
.photo.hero-photo.has-img,.photo.tall.has-img{aspect-ratio:4/3}
.photo.hero-photo.has-img img,.photo.tall.has-img img{height:100%;object-fit:cover}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;
      transition:.2s;box-shadow:var(--shadow)}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(16,18,22,.1)}
.card .photo{min-height:140px;margin-bottom:14px;border-radius:10px}
.card .icon{width:50px;height:50px;border-radius:12px;background:#fff;border:1px solid var(--border);
            color:var(--red);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.card .icon svg{width:24px;height:24px;stroke:var(--red);stroke-width:1.6;fill:none}
.card h3{font-size:1.18rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.95rem}

/* ---------- Hero (home) ---------- */
.hero{padding:34px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.hero h1{font-size:3.1rem;margin-bottom:18px}
.hero h1 em{color:var(--red);font-style:normal}
.hero .lead{font-size:1.18rem;color:var(--muted);margin-bottom:30px;max-width:540px}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Stat strip ---------- */
.stats{background:var(--black);color:#fff}
.stats .grid-4{gap:20px}
.stat{text-align:center;padding:14px}
.stat strong{display:block;font-size:2.2rem;color:#fff}
.stat .red{color:var(--red)}
.stat span{font-size:.92rem;color:rgba(255,255,255,.7)}

/* ---------- Split feature row ---------- */
.container.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.split.soft{background:var(--bg-soft)}
.split ul{list-style:none;margin-top:18px}
.split li{padding:9px 0 9px 32px;position:relative;color:#374151}
.split li::before{content:'✓';position:absolute;left:0;top:8px;color:#fff;background:var(--red);
                  width:20px;height:20px;border-radius:50%;font-size:.75rem;display:flex;
                  align-items:center;justify-content:center;font-weight:800}

/* ---------- Page banner (sub-pages) ---------- */
.page-banner{background:#0e0e0e;color:#fff;text-align:center;padding:36px 0 32px;
             position:relative;border-bottom:3px solid var(--red)}
.page-banner .inner{position:relative;z-index:1}
.page-banner h1{color:#fff;font-size:2.8rem;margin-bottom:10px}
.page-banner p{color:rgba(255,255,255,.85);max-width:660px;margin:0 auto;font-size:1.05rem}
.breadcrumb{font-size:.85rem;color:rgba(255,255,255,.6);margin-top:14px}
.breadcrumb a:hover{color:var(--red)}

/* ---------- Facts table (about) ---------- */
.facts{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);
       border-radius:var(--radius);overflow:hidden}
.facts td{padding:15px 20px;border-bottom:1px solid var(--border)}
.facts tr:last-child td{border-bottom:none}
.facts td:first-child{font-weight:700;color:var(--black);width:42%;background:var(--bg-soft)}
.facts td:last-child{color:#374151}

/* ---------- FAQ accordion ---------- */
.faq-item{border:1px solid var(--border);border-radius:12px;margin-bottom:14px;background:#fff;overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:none;cursor:pointer;
       padding:20px 24px;font-size:1.05rem;font-weight:700;color:var(--black);
       display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q::after{content:'+';color:var(--red);font-size:1.5rem;font-weight:400;flex-shrink:0}
.faq-item.open .faq-q::after{content:'–'}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--muted)}
.faq-a div{padding:0 24px 22px}
.faq-item.open .faq-a{max-height:320px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:46px;align-items:start}
.info-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);
           padding:26px;box-shadow:var(--shadow);margin-bottom:18px;display:flex;gap:16px}
.info-card .ic{width:46px;height:46px;flex-shrink:0;border-radius:12px;background:#fff;border:1px solid var(--border);
               color:var(--red);display:flex;align-items:center;justify-content:center}
.info-card .ic svg{width:22px;height:22px;stroke:var(--red);stroke-width:1.6;fill:none}
.info-card h4{font-size:1rem;margin-bottom:3px}
.info-card p{color:var(--muted);font-size:.95rem}
.info-card .note{color:var(--red);font-weight:600;font-size:.85rem}
form{display:grid;gap:14px;background:#fff;border:1px solid var(--border);
     border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
form input,form textarea{padding:13px 15px;border:1px solid var(--border);border-radius:10px;
     font-size:1rem;font-family:inherit;background:var(--bg-soft)}
form input:focus,form textarea:focus{outline:none;border-color:var(--red);background:#fff}
form textarea{resize:vertical;min-height:120px}

/* ---------- Catalog ---------- */
.cat-search{position:relative;max-width:560px;margin:0 auto 22px}
.cat-search input{width:100%;padding:14px 16px 14px 46px;border:1px solid var(--border);border-radius:12px;
  font-size:1rem;font-family:inherit;background:var(--bg-soft)}
.cat-search input:focus{outline:none;border-color:var(--red);background:#fff}
.cat-search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:20px;height:20px;stroke:var(--muted);fill:none;stroke-width:1.8}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:12px}
.chips.cats .chip{font-size:.84rem;padding:7px 13px}
.chip{padding:8px 16px;border:1px solid var(--border);border-radius:999px;background:#fff;cursor:pointer;
  font-size:.9rem;font-weight:600;color:#374151;transition:.15s;font-family:inherit}
.chip:hover{border-color:var(--red);color:var(--red)}
.chip.active{background:var(--red);border-color:var(--red);color:#fff}
.chip .n{opacity:.55;font-weight:500;margin-left:5px}
.chip.active .n{opacity:.85}
.cat-count{text-align:center;color:var(--muted);font-size:.9rem;margin:10px 0 22px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.cat-card{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;
  box-shadow:var(--shadow);transition:.18s;display:flex;flex-direction:column}
.cat-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(16,18,22,.1)}
.cat-img{height:150px;background:repeating-linear-gradient(45deg,#eef0f3 0 12px,#f5f6f8 12px 24px);
  display:flex;align-items:center;justify-content:center;color:#aeb4bf;font-size:.72rem;font-weight:700;
  letter-spacing:1.5px;text-transform:uppercase;border-bottom:1px solid var(--border)}
.cat-body{padding:15px 16px 18px}
.cat-oem{font-size:1.05rem;font-weight:800;color:var(--black);word-break:break-word;line-height:1.25}
.cat-type{color:var(--red);font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.6px;margin:6px 0 8px}
.cat-model{color:#374151;font-size:.92rem}
.cat-year{color:var(--muted);font-size:.85rem;margin-top:2px}
.cat-brand-tag{display:inline-block;margin-top:11px;font-size:.7rem;font-weight:700;color:var(--muted);
  border:1px solid var(--border);border-radius:6px;padding:3px 9px;text-transform:uppercase;letter-spacing:.5px}
.cat-more{text-align:center;margin-top:30px}
.cat-empty{text-align:center;color:var(--muted);padding:60px 0;font-size:1.05rem}
.cat-card{color:inherit;text-decoration:none}
.cat-img.has{background:#fff}
.cat-img img{width:100%;height:100%;object-fit:contain;padding:8px}

/* ---------- Single product detail ---------- */
.item-back{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-weight:600;font-size:.92rem;margin-bottom:22px}
.item-back:hover{color:var(--red)}
.item-wrap{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:start}
.item-img{background:repeating-linear-gradient(45deg,#eef0f3 0 14px,#f5f6f8 14px 28px);border:1px solid var(--border);
  border-radius:16px;min-height:380px;display:flex;align-items:center;justify-content:center;overflow:hidden;
  color:#aeb4bf;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;font-size:.8rem}
.item-img.has{background:#fff}
.item-img img{width:100%;height:100%;object-fit:contain;padding:14px}
.item-type{color:var(--red);font-weight:800;text-transform:uppercase;letter-spacing:.8px;font-size:.85rem;margin-bottom:8px}
.item-oem{font-size:2.4rem;font-weight:800;line-height:1.1;word-break:break-word}
.item-sub{color:var(--muted);margin:14px 0 22px;font-size:1.05rem}
.spec{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;margin-bottom:26px}
.spec td{padding:13px 18px;border-bottom:1px solid var(--border);font-size:.96rem}
.spec tr:last-child td{border-bottom:none}
.spec td:first-child{font-weight:700;width:38%;background:var(--bg-soft);color:var(--black)}
.spec td:last-child{color:#374151}
.item-related h3{font-size:1.2rem;margin-bottom:16px}
@media(max-width:880px){.item-wrap{grid-template-columns:1fr;gap:26px}.item-oem{font-size:2rem}}

/* ---------- CTA band ---------- */
.cta-band{background:var(--red);color:#fff;text-align:center}
.cta-band h2{color:#fff;font-size:2rem;margin-bottom:12px}
.cta-band p{opacity:.92;margin-bottom:26px}

/* ---------- Footer ---------- */
footer{background:#000;color:rgba(255,255,255,.7);padding:56px 0 24px;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1.4fr;gap:40px;margin-bottom:36px}
footer img{height:88px;width:auto;margin-bottom:18px;background:#000}
footer h5{color:#fff;font-size:.95rem;letter-spacing:1px;text-transform:uppercase;margin-bottom:16px}
footer a{color:rgba(255,255,255,.7)}
footer a:hover{color:var(--red)}
.foot-links{list-style:none;display:grid;gap:10px}
.foot-contact p{margin-bottom:10px}
.foot-contact strong{color:var(--red)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;text-align:center;font-size:.85rem}

/* ---------- Scroll reveal animation ---------- */
.reveal{opacity:0;transform:translateY(48px);transition:opacity .9s ease,transform 1s cubic-bezier(.2,.6,.25,1)}
.reveal.from-left{transform:translateX(-70px)}
.reveal.from-right{transform:translateX(70px)}
.reveal.zoom{transform:scale(.92)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}
.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}
.reveal.d4{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1!important;transform:none!important;transition:none}}

/* ---------- Vehicle brand panel ---------- */
.brand-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px}
.brand{display:flex;align-items:center;justify-content:center;height:92px;background:#fff;
  border:1px solid var(--border);border-radius:12px;padding:12px;text-align:center;
  font-weight:800;font-size:1.12rem;letter-spacing:.4px;color:#9aa0ad;transition:.25s}
.brand img{max-height:56px;width:auto;transition:.25s}
.brand:hover{border-color:#cfd4dd;box-shadow:var(--shadow);transform:translateY(-3px)}
.brand:hover img{transform:scale(1.05)}

/* ---------- Product grid (2 columns, image on top) ---------- */
/* 6-col track so cards span 2 (=3 per row) and the last row of 2 can be centred */
.prod-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px}
.prod-card{grid-column:span 2}
.prod-card:nth-child(7){grid-column:2 / span 2}   /* centres the final pair */
.prod-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);
           overflow:hidden;box-shadow:var(--shadow);transition:.2s}
.prod-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(16,18,22,.1)}
.prod-card .photo{aspect-ratio:4/3;min-height:0;margin:0;border-radius:0;
                  border:none;border-bottom:1px solid var(--border)}
.prod-card .photo.has-img img{width:100%;height:100%;object-fit:contain;background:#fff}
.prod-card .body{padding:18px 20px 22px}
.prod-card h2{font-size:1.22rem;margin-bottom:8px}
.prod-card p{color:var(--muted);font-size:.94rem}
.prod-card ul{list-style:none;margin-top:13px;padding-top:13px;border-top:1px solid var(--border)}
.prod-card li{position:relative;padding:4px 0 4px 17px;font-size:.85rem;color:#374151}
.prod-card li::before{content:'';position:absolute;left:0;top:12px;width:9px;height:2px;background:var(--red)}
@media(max-width:980px){.prod-grid{grid-template-columns:repeat(4,1fr)}
                        .prod-card:nth-child(7){grid-column:span 2}}
@media(max-width:620px){.prod-grid{grid-template-columns:repeat(2,1fr)}}

/* ---------- Product feature list ---------- */
.feat{list-style:none;margin-top:18px}
.feat li{padding:8px 0 8px 30px;position:relative;color:#374151}
.feat li::before{content:'';position:absolute;left:0;top:13px;width:14px;height:2px;background:var(--red)}

@media(max-width:880px){
  .menu-btn{margin-left:auto}
  .hero-grid,.container.split,.contact-grid,.foot-grid{grid-template-columns:1fr}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:2.4rem}
  .section-head h2{font-size:1.9rem}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
             flex-direction:column;padding:22px;gap:18px;border-bottom:1px solid var(--border)}
  .nav-links.open{display:flex}
  .menu-btn{display:block}
}
@media(max-width:520px){
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
}

/* ---------- Contact form status message ---------- */
.form-status{margin-top:6px;padding:13px 16px;border-radius:10px;font-size:.95rem;font-weight:600;line-height:1.5}
.form-status.ok{background:#e8f6ec;color:#1c6b33;border:1px solid #bfe3ca}
.form-status.err{background:#fdecec;color:#a8141a;border:1px solid #f4c7c7}