/* ═══════════════════════════════════════════════════════
   Ossident.com — Static Brochure (JewelersTrend stack lineage)
   Inter + JetBrains Mono · CSS-variable token system
   ═══════════════════════════════════════════════════════ */

:root {
    --bg:#f5f7fb;
    --surface:#ffffff;
    --surface-alt:#eef2fb;
    --accent:#244498;
    --accent-light:#3a5fc0;
    --accent-dark:#1a3372;
    --accent-bg:#e8edf9;
    --dark:#0e1a3a;
    --text:#16203f;
    --text-mid:#515f80;
    --text-light:#8893b4;
    --border:rgba(20,32,63,0.08);
    --border-solid:#e2e7f3;
    --success:#1f9d57;
    --font-body:'Inter',ui-sans-serif,system-ui,-apple-system,sans-serif;
    --font-mono:'JetBrains Mono',ui-monospace,monospace;
    --max-width:1180px;
    --radius:20px;
    --radius-sm:14px;
    --radius-pill:999px;
    --shadow:0 16px 50px rgba(20,32,63,0.07);
    --shadow-lg:0 30px 80px rgba(20,32,63,0.12);
    --transition:0.25s cubic-bezier(0.4,0,0.2,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;scroll-padding-top:110px;}
body{font-family:var(--font-body);font-size:16px;line-height:1.65;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;}
a{color:var(--accent-dark);text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--accent);}
img{max-width:100%;height:auto;display:block;}
ul{list-style:none;}
button,input,textarea,select{font:inherit;}
h1,h2,h3,h4{line-height:1.18;letter-spacing:-0.02em;color:var(--dark);font-weight:800;}
.container{width:min(calc(100% - 32px),var(--max-width));margin:0 auto;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ── TOP BAR ── */
.top-bar{background:var(--dark);color:rgba(255,255,255,0.55);font-size:12px;padding:8px 0;}
.top-bar-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;}
.top-bar a{color:rgba(255,255,255,0.75);}
.top-bar a:hover{color:#fff;}

/* ── HEADER / NAV ── */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);box-shadow:0 2px 18px rgba(0,0,0,0.04);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:20px;}
.nav-brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:22px;letter-spacing:-0.03em;color:var(--dark);flex-shrink:0;}
.nav-brand .mark{width:30px;height:30px;}
.nav-brand:hover{opacity:0.85;color:var(--dark);}
.nav-list{display:flex;gap:4px;flex-wrap:wrap;}
.nav-list li a{display:block;padding:10px 14px;font-size:14.5px;font-weight:700;color:var(--text-mid);border-radius:var(--radius-pill);}
.nav-list li a:hover,.nav-list li a.active{color:var(--accent-dark);background:var(--accent-bg);}
.nav-cta{background:var(--accent);color:#fff!important;padding:10px 20px;border-radius:var(--radius-pill);font-weight:800;font-size:14px;}
.nav-cta:hover{background:var(--accent-dark);}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:10px;}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--dark);margin:5px 0;border-radius:2px;}

/* ── BUTTONS ── */
.btn{display:inline-block;padding:13px 26px;border-radius:var(--radius-pill);font-weight:800;font-size:15px;cursor:pointer;border:1px solid transparent;transition:all var(--transition);}
.btn.primary{background:var(--accent);color:#fff;}
.btn.primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.btn.ghost{background:transparent;color:var(--accent-dark);border-color:var(--border-solid);}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);}

/* ── HERO ── */
.hero{padding:72px 0 56px;}
.hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(34px,5vw,56px);margin-bottom:18px;}
.hero p.lead{font-size:19px;color:var(--text-mid);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;}
.hero-visual{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden;}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.eyebrow{display:inline-block;font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:0.14em;text-transform:uppercase;color:var(--accent-dark);background:var(--accent-bg);padding:6px 14px;border-radius:var(--radius-pill);margin-bottom:18px;}

/* ── SECTIONS ── */
.section{padding:56px 0;}
.section-head{text-align:center;max-width:680px;margin:0 auto 44px;}
.section-head h2{font-size:clamp(26px,3.4vw,38px);margin-bottom:12px;}
.section-head p{color:var(--text-mid);font-size:17px;}
.section-alt{background:var(--surface-alt);}

/* ── CARDS ── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cat-card{padding:34px 26px;text-align:center;transition:transform var(--transition),box-shadow var(--transition);}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.cat-card .ico{width:54px;height:54px;margin:0 auto 16px;color:var(--accent);}
.cat-card h3{font-size:20px;margin-bottom:8px;}
.cat-card p{color:var(--text-mid);font-size:14.5px;}

/* ── PRODUCTS ── */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.product{display:flex;flex-direction:column;overflow:hidden;transition:transform var(--transition),box-shadow var(--transition);}
.product:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.product-img{background:#fff;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:24px;border-bottom:1px solid var(--border);}
.product-img img{max-height:100%;width:auto;object-fit:contain;}
.product-body{padding:22px 22px 26px;display:flex;flex-direction:column;flex:1;}
.product-body h3{font-size:17.5px;margin-bottom:10px;}
.product-price{font-family:var(--font-mono);font-size:20px;font-weight:700;color:var(--accent-dark);margin-bottom:14px;}
.product-feats{margin-bottom:20px;flex:1;}
.product-feats li{position:relative;padding-left:22px;font-size:14px;color:var(--text-mid);margin-bottom:7px;}
.product-feats li::before{content:"";position:absolute;left:0;top:7px;width:11px;height:11px;border-radius:50%;background:var(--accent-bg);border:2px solid var(--accent);}

/* ── SPLIT / ABOUT ── */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;aspect-ratio:4/3;object-fit:cover;}
.prose h2{font-size:clamp(26px,3.4vw,38px);margin-bottom:18px;}
.prose p{color:var(--text-mid);font-size:17px;margin-bottom:16px;}
.prose ul.checks li{position:relative;padding-left:28px;margin-bottom:10px;color:var(--text-mid);}
.prose ul.checks li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:900;}

/* ── CONTACT ── */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;}
.contact-detail{display:flex;gap:16px;margin-bottom:24px;align-items:flex-start;}
.contact-detail .ico{width:42px;height:42px;flex-shrink:0;background:var(--accent-bg);color:var(--accent-dark);border-radius:12px;display:flex;align-items:center;justify-content:center;}
.contact-detail h4{font-size:15px;margin-bottom:3px;}
.contact-detail p,.contact-detail a{color:var(--text-mid);font-size:15px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px;color:var(--text);}
.field input,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--border-solid);border-radius:var(--radius-sm);background:var(--surface);transition:border var(--transition);}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);}

/* ── CTA BAND ── */
.cta-band{background:linear-gradient(135deg,var(--accent-dark),var(--accent));color:#fff;border-radius:var(--radius);padding:54px 40px;text-align:center;}
.cta-band h2{color:#fff;font-size:clamp(26px,3.4vw,36px);margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,0.85);font-size:17px;margin-bottom:26px;}
.cta-band .btn.primary{background:#fff;color:var(--accent-dark);}
.cta-band .btn.primary:hover{background:#fff;color:var(--accent-dark);}

/* ── FOOTER ── */
.site-footer{background:var(--dark);color:rgba(255,255,255,0.62);padding:54px 0 28px;margin-top:64px;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:36px;}
.footer-col h4{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:0.08em;margin-bottom:16px;}
.footer-col p{color:rgba(255,255,255,0.55);margin-bottom:8px;}
.footer-col ul li{margin-bottom:9px;}
.footer-col a{color:rgba(255,255,255,0.7);}
.footer-col a:hover{color:#fff;}
.footer-brand{font-weight:900;font-size:20px;color:#fff;letter-spacing:-0.03em;margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:rgba(255,255,255,0.45);}

/* ── RESPONSIVE ── */
@media(max-width:900px){
    .hero-grid,.split,.contact-grid{grid-template-columns:1fr;gap:32px;}
    .cat-grid,.product-grid{grid-template-columns:repeat(2,1fr);}
    .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:640px){
    .nav-list{display:none;}
    .nav-list.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:#fff;padding:14px;border-bottom:1px solid var(--border);gap:2px;}
    .nav-toggle{display:block;}
    .cat-grid,.product-grid,.footer-grid{grid-template-columns:1fr;}
    .hero{padding:48px 0 40px;}
}

/* ── ossidental IA + brand refinements ── */
.nav-brand img{height:42px;width:auto;display:block;}
.product-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:26px;}
.product-grid > .product{flex:0 1 320px;max-width:340px;}
.product-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;text-align:center;align-items:center;}
.product-cat{font-size:11px;color:var(--text-light);font-weight:700;letter-spacing:.07em;text-transform:uppercase;margin-bottom:8px;}
.product-body h3{font-size:17px;margin-bottom:10px;line-height:1.3;}
.product-body h3 a{color:inherit;text-decoration:none;}
.product-body h3 a:hover{color:var(--accent);}
.product-price{font-family:var(--font-mono);font-size:19px;font-weight:700;color:var(--accent-dark);margin-bottom:12px;}
.card-feats{list-style:none;margin:0 0 18px;padding:0;text-align:left;display:inline-block;}
.card-feats li{position:relative;padding-left:18px;margin-bottom:6px;font-size:13.5px;color:var(--text-mid);line-height:1.4;}
.card-feats li::before{content:"";position:absolute;left:0;top:7px;width:6px;height:6px;border-radius:50%;background:var(--accent);}
.product-body .btn{margin-top:auto;}
.product-detail{align-items:flex-start;}
.product-detail-img{background:#fff;border:1px solid var(--border-solid);border-radius:var(--radius);padding:34px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);}
.product-detail-img img{max-width:100%;width:auto;height:auto;max-height:430px;object-fit:contain;border:0;border-radius:0;box-shadow:none;aspect-ratio:auto;}
.crumb{font-size:13px;color:var(--text-light);margin-bottom:22px;}
.crumb a{color:var(--text-mid);text-decoration:none;}
.crumb a:hover{color:var(--accent);}
.sku-line{font-size:12.5px;color:var(--text-light);font-weight:600;letter-spacing:.05em;text-transform:uppercase;margin:0 0 14px;}
.lead-intro{font-size:16px;color:var(--text-mid);margin-bottom:18px;line-height:1.6;}
.detail-h{margin-bottom:10px;}
.detail-note{margin-top:14px;color:var(--text-mid);font-size:14.5px;}
@media (max-width:560px){ .product-grid > .product{flex:1 1 100%;max-width:none;} }

/* footer logo + uncropped split images (v3) */
.footer-logo{height:30px;width:auto;display:block;}
.footer-brand{margin-bottom:14px;}
.split img{width:100%;height:auto;max-height:460px;aspect-ratio:auto;object-fit:contain;border-radius:var(--radius);box-shadow:var(--shadow);}
.product-detail-img img{max-width:100%;width:auto;height:auto;max-height:430px;object-fit:contain;border:0;border-radius:0;box-shadow:none;aspect-ratio:auto;}

/* hero image: contain, never crop (v4) */
.hero-visual{background:#fff;padding:20px;display:flex;align-items:center;justify-content:center;}
.hero-visual img{width:auto;max-width:100%;height:auto;max-height:420px;aspect-ratio:auto;object-fit:contain;display:block;}

/* footer social + 4-col grid + info pages (v5) */
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:40px;}
.footer-social{display:flex;gap:11px;margin-top:18px;}
.footer-social a{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.09);color:#fff;transition:background .2s ease,transform .2s ease;}
.footer-social a:hover{background:var(--accent-light);transform:translateY(-2px);}
.faq-item{padding:22px 0;border-bottom:1px solid var(--border-solid);}
.faq-item:last-child{border-bottom:0;}
.faq-item h3{font-size:18px;margin:0 0 8px;color:var(--text);}
.faq-item p{color:var(--text-mid);line-height:1.7;margin:0;}
.legal-prose h2{font-size:20px;margin:26px 0 8px;color:var(--text);}
.legal-prose p{color:var(--text-mid);line-height:1.75;margin:0 0 14px;}
@media(max-width:820px){ .footer-grid{grid-template-columns:1fr 1fr;gap:30px;} }
@media(max-width:480px){ .footer-grid{grid-template-columns:1fr;gap:26px;} }