/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#0a2463;
  --primary-light:#1a56db;
  --primary-dark:#061539;
  --accent:#c8a951;
  --accent-light:#e8d48b;
  --dark:#0a0e17;
  --gray:#64748b;
  --light:#f8fafc;
  --white:#fff;
  --radius:12px;
  --shadow:0 4px 24px rgba(0,0,0,.08);
}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;color:var(--dark);line-height:1.6;background:var(--white)}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== TOP BAR ===== */
.top-bar{background:var(--dark);color:rgba(255,255,255,.8);font-size:13px;padding:8px 0}
.top-bar-inner{display:flex;justify-content:space-between;align-items:center}
.lang-switch a{color:rgba(255,255,255,.5);margin-left:12px;font-weight:700;transition:.2s;padding:2px 8px;border-radius:4px}
.lang-switch a.active{color:var(--accent);border:1px solid var(--accent)}
.lang-switch a:hover{color:var(--white)}

/* ===== HEADER ===== */
.header{background:var(--white);box-shadow:0 2px 20px rgba(0,0,0,.08);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px}
.logo{display:flex;align-items:center;gap:14px}
.logo-icon-wrap{width:52px;height:52px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:12px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(10,36,99,.3)}
.logo-icon-wrap svg{width:32px;height:32px}
.logo-text-group{display:flex;flex-direction:column;line-height:1.2}
.logo-main{font-size:22px;font-weight:900;letter-spacing:2px;color:var(--primary);font-family:'Inter',sans-serif}
.logo-sub{font-size:10px;font-weight:600;letter-spacing:3px;color:var(--accent);text-transform:uppercase}
.nav{display:flex;gap:28px}
.nav a{font-weight:600;font-size:14px;color:var(--gray);transition:.2s;letter-spacing:.5px;text-transform:uppercase}
.nav a:hover{color:var(--primary)}
.menu-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer}
.header-cta{font-size:13px}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:6px;padding:14px 28px;border-radius:8px;font-weight:700;font-size:15px;transition:all .3s;cursor:pointer;border:none;letter-spacing:.5px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--white);box-shadow:0 4px 16px rgba(10,36,99,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(10,36,99,.4)}
.btn-whatsapp{background:#25d366;color:var(--white);box-shadow:0 4px 16px rgba(37,211,102,.3)}
.btn-whatsapp:hover{background:#1da851;transform:translateY(-2px)}
.btn-outline{border:2px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:var(--white)}
.btn-sm{padding:10px 20px;font-size:13px}
.btn-gold{background:linear-gradient(135deg,var(--accent),#d4a843);color:var(--dark);font-weight:800}
.btn-gold:hover{transform:translateY(-2px)}

/* ===== HERO ===== */
.hero{position:relative;min-height:650px;display:flex;align-items:center;overflow:hidden;background:var(--dark)}
.hero-bg{position:absolute;inset:0;background:
  linear-gradient(135deg,rgba(10,14,23,.92) 0%,rgba(10,36,99,.85) 40%,rgba(10,14,23,.75) 100%),
  url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 650"><defs><linearGradient id="g1" x1="0%25" y1="0%25" x2="100%25" y2="100%25"><stop offset="0%25" stop-color="%23c8a951" stop-opacity="0.08"/><stop offset="100%25" stop-color="%230a2463" stop-opacity="0.15"/></linearGradient></defs><rect fill="url(%23g1)" width="1440" height="650"/><circle cx="1100" cy="300" r="250" fill="rgba(200,169,81,0.04)"/><circle cx="200" cy="500" r="300" fill="rgba(26,86,219,0.04)"/><path d="M0 600 Q360 450 720 550 T1440 500 V650 H0Z" fill="rgba(200,169,81,0.06)"/><line x1="0" y1="620" x2="1440" y2="620" stroke="rgba(200,169,81,0.1)" stroke-width="2"/><line x1="0" y1="630" x2="1440" y2="630" stroke="rgba(200,169,81,0.05)" stroke-width="1"/></svg>');
  background-size:cover}
.hero-bg-automotive{position:absolute;inset:0;background:
  linear-gradient(135deg,rgba(10,14,23,.92) 0%,rgba(10,36,99,.85) 40%,rgba(10,14,23,.75) 100%),
  url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 650"><defs><linearGradient id="roadGrad" x1="0%25" y1="0%25" x2="100%25" y2="100%25"><stop offset="0%25" stop-color="%23c8a951" stop-opacity="0.12"/><stop offset="100%25" stop-color="%230a2463" stop-opacity="0.2"/></linearGradient><linearGradient id="carGrad" x1="0%25" y1="0%25" x2="100%25" y2="0%25"><stop offset="0%25" stop-color="%23c8a951" stop-opacity="0.15"/><stop offset="100%25" stop-color="%230a2463" stop-opacity="0.1"/></linearGradient></defs><rect fill="url(%23roadGrad)" width="1440" height="650"/><g opacity="0.06"><path d="M0 350 Q200 330 400 340 T800 335 T1200 345 T1440 340" stroke="%23c8a951" stroke-width="3" fill="none"/><path d="M0 360 Q200 340 400 350 T800 345 T1200 355 T1440 350" stroke="%23c8a951" stroke-width="2" fill="none"/><path d="M0 370 Q200 350 400 360 T800 355 T1200 365 T1440 360" stroke="%23c8a951" stroke-width="1" fill="none"/></g><g opacity="0.08"><path d="M200 280 C220 275 240 270 280 275 C320 280 340 285 380 280 C400 278 410 276 430 278" stroke="url(%23carGrad)" stroke-width="12" stroke-linecap="round"/><ellipse cx="220" cy="290" rx="8" ry="6" fill="%23c8a951" opacity="0.4"/><ellipse cx="410" cy="288" rx="8" ry="6" fill="%23c8a951" opacity="0.4"/><rect x="240" y="268" width="150" height="20" rx="10" fill="url(%23carGrad)"/></g><g opacity="0.06"><path d="M900 450 C920 445 940 440 980 445 C1020 450 1040 455 1080 450 C1100 448 1110 446 1130 448" stroke="url(%23carGrad)" stroke-width="12" stroke-linecap="round"/><ellipse cx="920" cy="460" rx="8" ry="6" fill="%23c8a951" opacity="0.4"/><ellipse cx="1110" cy="458" rx="8" ry="6" fill="%23c8a951" opacity="0.4"/><rect x="940" y="438" width="150" height="20" rx="10" fill="url(%23carGrad)"/></g><circle cx="1100" cy="300" r="250" fill="rgba(200,169,81,0.04)"/><circle cx="200" cy="500" r="300" fill="rgba(26,86,219,0.04)"/><g opacity="0.04"><rect x="50" y="520" width="40" height="25" rx="3" fill="%23c8a951"/><rect x="55" y="510" width="8" height="10" fill="%23c8a951"/><rect x="67" y="507" width="6" height="13" fill="%23c8a951"/><rect x="77" y="510" width="8" height="10" fill="%23c8a951"/><rect x="1300" y="480" width="50" height="30" rx="3" fill="%23c8a951"/><rect x="1308" y="470" width="10" height="10" fill="%23c8a951"/><rect x="1325" y="465" width="8" height="15" fill="%23c8a951"/><rect x="1337" y="470" width="10" height="10" fill="%23c8a951"/></g><line x1="0" y1="620" x2="1440" y2="620" stroke="rgba(200,169,81,0.1)" stroke-width="2"/><line x1="0" y1="630" x2="1440" y2="630" stroke="rgba(200,169,81,0.05)" stroke-width="1"/></svg>');
  background-size:cover}
.hero-ships{position:absolute;bottom:0;left:0;right:0;height:120px;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 120"><path d="M0 80 Q200 60 400 75 T800 65 T1200 78 T1440 70 V120 H0Z" fill="rgba(200,169,81,0.08)"/><rect x="180" y="40" width="80" height="35" rx="3" fill="rgba(255,255,255,0.04)"/><rect x="185" y="30" width="15" height="10" fill="rgba(255,255,255,0.03)"/><rect x="205" y="25" width="8" height="15" fill="rgba(255,255,255,0.03)"/><rect x="900" y="45" width="100" height="30" rx="3" fill="rgba(255,255,255,0.03)"/><rect x="910" y="35" width="20" height="10" fill="rgba(255,255,255,0.02)"/><rect x="950" y="28" width="10" height="17" fill="rgba(255,255,255,0.02)"/></svg>') bottom/cover no-repeat;opacity:.6}
.hero-content{position:relative;z-index:1;color:var(--white);padding:80px 0}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(200,169,81,.15);border:1px solid rgba(200,169,81,.3);padding:8px 16px;border-radius:50px;font-size:13px;font-weight:600;color:var(--accent);margin-bottom:24px;letter-spacing:1px}
.hero h1{font-size:clamp(36px,5vw,60px);font-weight:900;line-height:1.1;margin-bottom:20px;letter-spacing:-1px}
.highlight{background:linear-gradient(135deg,var(--accent),var(--accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:18px;color:rgba(255,255,255,.75);max-width:560px;margin-bottom:36px;line-height:1.7}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px}
.hero-stats{display:flex;gap:48px}
.stat{text-align:center;position:relative;padding-right:48px}
.stat:last-child{padding-right:0}
.stat:not(:last-child)::after{content:'';position:absolute;right:0;top:50%;transform:translateY(-50%);width:1px;height:40px;background:rgba(255,255,255,.15)}
.stat-num{display:block;font-size:40px;font-weight:900;color:var(--accent)}
.stat-label{font-size:13px;color:rgba(255,255,255,.5);letter-spacing:1px;text-transform:uppercase}

/* ===== BRAND LOGOS BAR ===== */
.brand-logos-bar{padding:40px 0;background:var(--white);border-bottom:1px solid #e2e8f0}
.brand-logos-inner{display:flex;align-items:center;justify-content:center;gap:60px;flex-wrap:wrap}
.brand-logo-item{display:flex;flex-direction:column;align-items:center;gap:8px;opacity:.7;transition:.3s}
.brand-logo-item:hover{opacity:1}
.brand-logo-svg{height:48px;width:auto}
.brand-logo-name{font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--gray)}

/* ===== SECTIONS ===== */
.section{padding:90px 0;position:relative}
.section:nth-child(even){background:var(--light)}
.section-header{text-align:center;margin-bottom:56px;position:relative}
.section-tag{display:inline-block;font-size:12px;font-weight:800;letter-spacing:3px;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.section-title{font-size:clamp(28px,4vw,42px);font-weight:900;margin-bottom:12px;letter-spacing:-0.5px}
.section-sub{color:var(--gray);font-size:17px;max-width:600px;margin:0 auto}
/* backward compat for pages not using section-header */
.section > .container > .section-title:first-child{text-align:center;margin-bottom:12px}
.section > .container > .section-sub{text-align:center;margin-bottom:48px}

/* Section decorative backgrounds */
.brands-section{background:linear-gradient(180deg,var(--white) 0%,#f0f4ff 100%)}
.models-section{background:var(--light);overflow:hidden}
.models-section::before{content:'';position:absolute;top:-100px;right:-100px;width:400px;height:400px;border-radius:50%;background:rgba(10,36,99,.03)}
.why-section{background:linear-gradient(180deg,var(--white) 0%,#fffbf0 100%)}
.why-section::before{content:'';position:absolute;bottom:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--accent),transparent)}
.process-section{background:var(--primary);color:var(--white);overflow:hidden}
.process-section::before{content:'';position:absolute;top:0;right:0;width:600px;height:600px;border-radius:50%;background:rgba(200,169,81,.05);transform:translate(200px,-200px)}
.process-section .section-tag{color:var(--accent-light)}
.process-section .section-title{color:var(--white)}
.process-section .section-sub{color:rgba(255,255,255,.6)}
.contact-section{background:linear-gradient(180deg,#f8fafc 0%,#f0f4ff 100%)}

/* ===== BRANDS ===== */
.brands-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
.brand-card{background:var(--white);border-radius:var(--radius);padding:40px 32px;box-shadow:var(--shadow);text-align:center;transition:.3s;border:1px solid #e8ecf1}
.brand-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,0,0,.12);border-color:var(--accent)}
.brand-logo-placeholder{font-size:24px;font-weight:900;color:var(--primary);margin-bottom:16px;padding:24px 32px;background:linear-gradient(135deg,#f0f4ff,#e8ecf1);border-radius:12px;display:inline-block;letter-spacing:2px}
.brand-card h3{font-size:20px;margin:16px 0 8px;font-weight:800}
.brand-card p{color:var(--gray);font-size:14px;margin-bottom:24px;line-height:1.7}
.brand-card-coming{border:2px dashed #d1d5db}

/* ===== MODELS ===== */
/* ===== BRAND TABS ===== */
.brand-tabs{display:flex;justify-content:center;gap:8px;margin-bottom:40px;flex-wrap:wrap}
.brand-tab-btn{padding:12px 24px;border-radius:8px;border:2px solid #d1d5db;background:var(--white);font-weight:700;font-size:14px;cursor:pointer;transition:.3s;letter-spacing:.5px;color:var(--gray)}
.brand-tab-btn.active,.brand-tab-btn:hover{background:var(--primary);color:var(--white);border-color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 12px rgba(10,36,99,.2)}

.brand-section{margin-bottom:60px}
.brand-section.hidden{display:none}
.brand-section-title{font-size:24px;font-weight:900;color:var(--primary);margin-bottom:32px;text-align:center;letter-spacing:2px;position:relative;padding-bottom:16px}
.brand-section-title::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:80px;height:3px;background:linear-gradient(90deg,var(--accent),var(--primary));border-radius:2px}

.filter-bar{display:flex;justify-content:center;gap:8px;margin-bottom:40px;flex-wrap:wrap}
.filter-btn{padding:10px 24px;border-radius:50px;border:2px solid #d1d5db;background:var(--white);font-weight:700;font-size:13px;cursor:pointer;transition:.2s;letter-spacing:.5px}
.filter-btn.active,.filter-btn:hover{background:var(--primary);color:var(--white);border-color:var(--primary)}

.models-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.model-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.3s;border:1px solid #e8ecf1}
.model-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,0,0,.12);border-color:var(--accent)}
.model-card.hidden{display:none}
.model-img{height:220px;background:linear-gradient(135deg,#f8fafc,#e8ecf1);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.model-img::after{content:'';position:absolute;bottom:0;left:0;right:0;height:40px;background:linear-gradient(transparent,rgba(248,250,252,.8))}
.model-img img{width:100%;height:100%;object-fit:contain;padding:16px;transition:.3s}
.model-card:hover .model-img img{transform:scale(1.05)}
.model-img-placeholder{height:220px;background:linear-gradient(135deg,#e2e8f0,#cbd5e1);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;color:var(--gray)}
.model-info{padding:24px}
.model-brand{font-size:11px;font-weight:800;color:var(--accent);text-transform:uppercase;letter-spacing:2px}
.model-info h3{font-size:20px;margin:6px 0 8px;font-weight:800}
.model-desc{font-size:13px;color:var(--gray);margin-bottom:12px;line-height:1.6}
.model-specs{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.model-specs li{font-size:12px;color:var(--gray);background:var(--light);padding:4px 10px;border-radius:4px;font-weight:500}
.model-price{font-size:15px;margin-bottom:8px;color:var(--dark)}
.model-price strong{font-size:24px;color:var(--primary);font-weight:900}
.model-configs{font-size:12px;color:var(--accent);font-weight:700;margin-bottom:16px;letter-spacing:.5px}
.models-cta{text-align:center;margin-top:56px;padding:40px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:var(--radius);box-shadow:0 8px 32px rgba(10,36,99,.2);color:var(--white)}
.models-cta p{margin-bottom:20px;font-size:17px;color:rgba(255,255,255,.85)}
.models-cta .btn-primary{background:linear-gradient(135deg,var(--accent),#d4a843);color:var(--dark)}

/* ===== WHY US ===== */
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
.why-card{background:var(--white);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow);transition:.3s;border:1px solid #e8ecf1;position:relative;overflow:hidden}
.why-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,var(--accent),var(--primary))}
.why-card:hover{transform:translateY(-4px);box-shadow:0 8px 32px rgba(0,0,0,.1)}
.why-icon{font-size:40px;margin-bottom:16px}
.why-card h3{font-size:18px;margin-bottom:10px;font-weight:800}
.why-card p{color:var(--gray);font-size:14px;line-height:1.7}

/* ===== PROCESS ===== */
.process-steps{display:flex;flex-wrap:wrap;gap:32px;justify-content:center}
.step{flex:1;min-width:200px;max-width:220px;text-align:center;position:relative}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;background:linear-gradient(135deg,var(--accent),#d4a843);color:var(--dark);border-radius:16px;font-size:22px;font-weight:900;margin-bottom:20px;box-shadow:0 4px 16px rgba(200,169,81,.3)}
.step h3{font-size:17px;margin-bottom:10px;font-weight:800;color:var(--white)}
.step p{font-size:13px;color:rgba(255,255,255,.6);line-height:1.6}

/* ===== CONTACT ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-methods{display:flex;flex-direction:column;gap:28px}
.contact-item{display:flex;gap:16px;align-items:start;padding:20px;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid #e8ecf1}
.contact-icon{font-size:32px;flex-shrink:0}
.contact-item h3{font-size:16px;margin-bottom:4px;font-weight:800}
.contact-item a{color:var(--primary);font-weight:700}
.contact-item p{font-size:13px;color:var(--gray)}
.contact-form{background:var(--white);padding:36px;border-radius:var(--radius);box-shadow:0 8px 32px rgba(0,0,0,.08);display:flex;flex-direction:column;gap:14px;border:1px solid #e8ecf1}
.contact-form h3{font-size:22px;margin-bottom:8px;font-weight:800}
.contact-form input,.contact-form select,.contact-form textarea{padding:14px 18px;border:2px solid #e2e8f0;border-radius:10px;font-size:14px;font-family:inherit;transition:.2s}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px rgba(10,36,99,.1)}

/* ===== FOOTER ===== */
.footer{background:linear-gradient(180deg,var(--dark) 0%,#050810 100%);color:rgba(255,255,255,.6);padding:70px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-logo{font-size:22px;font-weight:900;color:var(--white);margin-bottom:16px;letter-spacing:2px}
.footer-logo .accent{color:var(--accent)}
.footer h4{color:var(--accent);margin-bottom:16px;font-size:13px;letter-spacing:2px;text-transform:uppercase}
.footer a{display:block;margin-bottom:10px;font-size:13px;transition:.2s}
.footer a:hover{color:var(--white)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;text-align:center;font-size:12px}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float{position:fixed;bottom:24px;right:24px;width:64px;height:64px;background:#25d366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(37,211,102,.4);z-index:999;transition:.3s;animation:pulse 2s infinite}
.whatsapp-float:hover{transform:scale(1.1)}
@keyframes pulse{0%,100%{box-shadow:0 4px 20px rgba(37,211,102,.4)}50%{box-shadow:0 4px 40px rgba(37,211,102,.6)}}

/* ===== BRAND SHOWCASE ===== */
.brand-showcase{padding:60px 0;background:linear-gradient(135deg,#f8fafc 0%,#eef2ff 50%,#f8fafc 100%)}
.brand-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:32px}
.brand-card{display:flex;align-items:center;gap:16px;padding:20px 24px;background:var(--white);border-radius:16px;border:2px solid transparent;box-shadow:0 2px 12px rgba(0,0,0,.04);transition:all .3s;cursor:pointer;text-decoration:none}
.brand-card:hover{border-color:var(--accent);box-shadow:0 8px 32px rgba(200,169,81,.15);transform:translateY(-4px)}
.brand-logo-img{width:60px;height:40px;object-fit:contain;flex-shrink:0}
.brand-card-info{display:flex;flex-direction:column;gap:2px}
.brand-card-name{font-weight:800;font-size:15px;color:var(--primary);letter-spacing:.3px}
.brand-card-desc{font-size:12px;color:var(--gray);font-weight:500}

/* ===== BRAND TABS ===== */
.brand-tabs{display:flex;justify-content:center;gap:6px;margin-bottom:40px;flex-wrap:wrap;padding:8px;background:var(--light);border-radius:16px;border:1px solid #e2e8f0}
.brand-tab-btn{padding:10px 20px;border-radius:10px;border:none;background:transparent;font-weight:700;font-size:13px;cursor:pointer;transition:.2s;color:var(--gray);letter-spacing:.3px}
.brand-tab-btn.active,.brand-tab-btn:hover{background:var(--primary);color:var(--white);box-shadow:0 2px 8px rgba(10,36,99,.2)}
.brand-section{margin-bottom:48px}
.brand-section.hidden{display:none}
.brand-section-title{font-size:22px;font-weight:800;margin-bottom:24px;padding-bottom:12px;border-bottom:3px solid var(--accent);display:inline-block;color:var(--primary)}

/* ===== HERO AUTOMOTIVE BG ===== */
.hero-bg-automotive{position:absolute;inset:0;background:
  linear-gradient(135deg,rgba(10,14,23,.94) 0%,rgba(10,36,99,.88) 40%,rgba(10,14,23,.82) 100%),
  url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 650"><defs><linearGradient id="g1" x1="0%25" y1="0%25" x2="100%25" y2="100%25"><stop offset="0%25" stop-color="%23c8a951" stop-opacity="0.1"/><stop offset="100%25" stop-color="%230a2463" stop-opacity="0.2"/></linearGradient></defs><rect fill="url(%23g1)" width="1440" height="650"/><path d="M100 400 Q200 380 300 390 L350 390 L370 360 L450 360 L470 340 L560 340 L580 360 L650 360 L670 390 Q750 380 850 400" stroke="rgba(200,169,81,0.15)" stroke-width="2" fill="none"/><circle cx="320" cy="400" r="18" stroke="rgba(200,169,81,0.1)" stroke-width="2" fill="none"/><circle cx="680" cy="400" r="18" stroke="rgba(200,169,81,0.1)" stroke-width="2" fill="none"/><path d="M800 450 Q1000 430 1200 440 L1250 440 L1280 400 L1380 400 L1400 380 L1440 380" stroke="rgba(255,255,255,0.04)" stroke-width="2" fill="none"/><path d="M0 550 L1440 550" stroke="rgba(200,169,81,0.06)" stroke-width="1" stroke-dasharray="20,10"/><path d="M0 560 L1440 560" stroke="rgba(200,169,81,0.04)" stroke-width="1"/><circle cx="1100" cy="200" r="150" fill="rgba(200,169,81,0.03)"/><circle cx="200" cy="150" r="200" fill="rgba(26,86,219,0.03)"/><path d="M600 80 L620 60 L800 60 L820 80 L850 80 L860 100 L560 100 L570 80Z" fill="rgba(200,169,81,0.04)"/><path d="M1000 500 L1050 500 L1060 480 L1100 480 L1100 510 L1000 510Z" fill="rgba(255,255,255,0.02)"/><path d="M1110 500 L1160 500 L1170 480 L1210 480 L1210 510 L1110 510Z" fill="rgba(255,255,255,0.02)"/></svg>');
  background-size:cover}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--white);flex-direction:column;padding:20px;box-shadow:var(--shadow);z-index:99}
  .nav.open{display:flex}
  .menu-toggle{display:block}
  .header-cta{display:none}
  .hero-content{padding:60px 0}
  .hero-stats{gap:24px}
  .stat{padding-right:24px}
  .stat-num{font-size:28px}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-btns{flex-direction:column}
  .process-steps{flex-direction:column;align-items:center}
  .brand-logos-inner{gap:30px}
  .logo-main{font-size:18px}
}

/* Enhanced placeholders */
.model-img-placeholder{position:relative;background:linear-gradient(135deg,#0a2463 0%,#1a3a8f 40%,#0e3280 100%);color:rgba(255,255,255,.9);font-size:16px;letter-spacing:1px}
.model-img-placeholder::before{content:'🚗';position:absolute;top:50%;left:50%;transform:translate(-50%,-70%);font-size:48px;opacity:.3}
.model-img-placeholder span{position:relative;z-index:1;margin-top:30px;background:rgba(200,169,81,.2);padding:6px 16px;border-radius:8px;border:1px solid rgba(200,169,81,.3)}

/* Brand showcase responsive */
@media(max-width:768px){
  .brand-grid{grid-template-columns:1fr 1fr;gap:12px}
  .brand-card{padding:14px 16px;gap:10px}
  .brand-logo-img{width:44px;height:32px}
  .brand-card-name{font-size:13px}
  .brand-card-desc{font-size:11px}
  .brand-showcase{padding:40px 0}
}
@media(max-width:480px){
  .brand-grid{grid-template-columns:1fr}
}

/* 专业占位图样式重写 */
.model-img-placeholder{
  position:relative;
  background:linear-gradient(135deg,#0a2463 0%,#1e3a8a 50%,#0e2b5c 100%);
  color:#fff;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:20px;
  font-family:'Inter',sans-serif;
}

.model-img-placeholder::before{
  content:'';
  position:absolute;
  inset:0;
  background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 300"><defs><linearGradient id="bg" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" stop-color="rgba(200,169,81,0.05)"/><stop offset="100%" stop-color="rgba(255,255,255,0.02)"/></linearGradient></defs><rect fill="url(%23bg)" width="400" height="300"/><path d="M50 150 Q80 120 120 140 L160 140 L180 120 L220 120 L240 140 L280 140 Q320 120 350 150" stroke="rgba(200,169,81,0.1)" stroke-width="2" fill="none"/><ellipse cx="140" cy="150" rx="12" ry="8" stroke="rgba(200,169,81,0.08)" stroke-width="2" fill="none"/><ellipse cx="260" cy="150" rx="12" ry="8" stroke="rgba(200,169,81,0.08)" stroke-width="2" fill="none"/><path d="M100 100 L120 80 L180 80 L200 100 L220 100 L230 120 L70 120 L80 100Z" fill="rgba(255,255,255,0.03)"/></svg>') center/cover;
  opacity:0.6;
}

.placeholder-content{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
}

.placeholder-car-icon{
  font-size:36px;
  margin-bottom:8px;
  opacity:0.9;
  filter:drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.placeholder-title{
  font-size:16px;
  font-weight:800;
  letter-spacing:0.5px;
  margin-bottom:6px;
  background:linear-gradient(135deg,#c8a951,#e8d48b);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  text-shadow:0 1px 2px rgba(0,0,0,0.1);
}

.placeholder-specs{
  display:flex;
  flex-direction:column;
  gap:3px;
  align-items:center;
  font-size:11px;
  color:rgba(255,255,255,0.8);
  font-weight:500;
}

.placeholder-type,.placeholder-power,.placeholder-range{
  background:rgba(200,169,81,0.15);
  padding:2px 8px;
  border-radius:4px;
  border:1px solid rgba(200,169,81,0.2);
  white-space:nowrap;
}

.placeholder-coming{
  margin-top:4px;
  font-size:9px;
  color:rgba(255,255,255,0.5);
  text-transform:uppercase;
  letter-spacing:1px;
  font-weight:600;
}