/* =========================================================
   SPARK HELMETS — Official Site Styles
   Ride Beyond Limits.
   ========================================================= */

:root{
  --green:#c8f31d;
  --green-2:#a6e600;
  --green-dark:#7fbf0a;
  --bg:#070709;
  --bg-2:#0e0e12;
  --bg-3:#14141a;
  --panel:#17171d;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.15);
  --text:#f4f5f5;
  --muted:#a0a6ad;
  --muted-2:#767c84;
  --radius:16px;
  --radius-sm:10px;
  --font-display:'Orbitron',sans-serif;
  --font-head:'Rajdhani',sans-serif;
  --font-body:'Inter',-apple-system,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  --shadow:0 20px 60px rgba(0,0,0,.5);
  --ease:cubic-bezier(.19,1,.22,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  font-family:var(--font-head);font-weight:700;letter-spacing:.04em;
  font-size:.95rem;padding:13px 26px;border-radius:50px;
  transition:transform .25s var(--ease),box-shadow .25s,background .25s,color .25s,border-color .25s;
  white-space:nowrap;
}
.btn-sm{padding:9px 18px;font-size:.82rem}
.btn-primary{
  background:var(--green);color:#0a0a0c;
  box-shadow:0 8px 30px rgba(200,243,29,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(200,243,29,.5);background:var(--green-2)}
.btn-ghost{border:1px solid var(--line-2);color:var(--text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--green);color:var(--green);transform:translateY(-2px)}
.btn-block{width:100%}
.btn .icon{width:18px;height:18px}

/* ---------- Navbar ---------- */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .35s,border-color .35s,backdrop-filter .35s;
  border-bottom:1px solid transparent;
}
.navbar.scrolled{
  background:rgba(7,7,9,.82);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:10px}
.brand-logo{height:38px;width:auto;object-fit:contain}
.brand-name{
  font-family:var(--font-display);font-weight:800;font-size:1.05rem;
  letter-spacing:.14em;color:#fff;
}
.brand-name i{font-style:normal;color:var(--green);margin-left:3px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  font-family:var(--font-head);font-weight:600;font-size:.92rem;letter-spacing:.02em;
  color:var(--muted);position:relative;padding:4px 0;transition:color .25s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;
  background:var(--green);transition:width .3s var(--ease);
}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.lang-switch{display:flex;align-items:center;gap:6px;margin-left:6px}
.lang-btn{
  font-family:var(--font-head);font-weight:700;font-size:.82rem;color:var(--muted);
  padding:3px 6px;border-radius:6px;transition:color .25s;
}
.lang-btn:hover{color:var(--text)}
.lang-btn.active{color:var(--green)}
.lang-sep{color:var(--muted-2);font-size:.8rem}
.nav-actions{display:flex;align-items:center;gap:16px}
.hamburger{display:none;flex-direction:column;gap:5px;padding:6px;width:34px}
.hamburger span{height:2px;width:22px;background:#fff;border-radius:2px;transition:.3s;margin-left:auto}
.hamburger span:nth-child(2){width:16px}
.hamburger span:nth-child(3){width:20px}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:120px 0 80px;overflow:hidden;
  background:radial-gradient(120% 90% at 80% 10%,#16181f 0%,var(--bg) 55%);
}
.hero-bg{
  position:absolute;inset:0;z-index:0;opacity:.5;
  background:
    radial-gradient(circle at 20% 20%,rgba(200,243,29,.10),transparent 40%),
    radial-gradient(circle at 85% 70%,rgba(200,243,29,.08),transparent 45%);
}
.hero-glow{
  position:absolute;top:-20%;right:-10%;width:480px;height:480px;z-index:0;
  background:radial-gradient(circle,rgba(200,243,29,.18),transparent 62%);
  filter:blur(30px);animation:pulse 8s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:.5;transform:scale(1)}50%{opacity:.9;transform:scale(1.12)}}
.hero-inner{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line-2);border-radius:50px;padding:7px 16px;
  font-family:var(--font-head);font-weight:600;font-size:.82rem;letter-spacing:.14em;
  color:var(--muted);text-transform:uppercase;margin-bottom:26px;background:rgba(255,255,255,.03);
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green);animation:blink 2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.hero-title{
  font-family:var(--font-display);font-weight:900;line-height:.98;
  font-size:clamp(3rem,9vw,6.4rem);letter-spacing:-.01em;color:#fff;
  text-transform:uppercase;
}
.hero-title .accent{color:var(--green);text-shadow:0 0 40px rgba(200,243,29,.45)}
.hero-sub{
  max-width:560px;color:var(--muted);font-size:clamp(1.05rem,2vw,1.3rem);
  margin:26px 0 34px;line-height:1.7;font-family:var(--font-head);font-weight:500;
}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,auto);gap:34px;margin-top:64px;
  max-width:640px;
}
.stat{text-align:left}
.stat-num{
  font-family:var(--font-display);font-weight:800;font-size:2.2rem;color:#fff;line-height:1;
}
.stat-num::after{content:"";color:var(--green)}
.stat-num[data-suffix="K"]::after{content:"K"}
.stat-label{color:var(--muted-2);font-size:.82rem;margin-top:6px;letter-spacing:.03em}
.scroll-hint{
  position:absolute;left:50%;bottom:30px;transform:translateX(-50%);z-index:2;
  width:26px;height:44px;border:2px solid var(--line-2);border-radius:20px;
  display:flex;justify-content:center;
}
.scroll-hint span{width:3px;height:8px;background:var(--green);border-radius:2px;margin-top:8px;animation:scroll 1.6s infinite}
@keyframes scroll{0%{opacity:0;transform:translateY(0)}40%{opacity:1}100%{opacity:0;transform:translateY(14px)}}

/* ---------- Sections ---------- */
.section{padding:110px 0;position:relative}
.section-head{max-width:640px;margin:0 auto 60px;text-align:center}
.eyebrow{
  display:inline-block;font-family:var(--font-head);font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;font-size:.8rem;color:var(--green);margin-bottom:14px;
}
.section-title{
  font-family:var(--font-display);font-weight:800;font-size:clamp(1.8rem,4vw,2.7rem);
  line-height:1.12;color:#fff;text-transform:uppercase;
}
.section-sub{color:var(--muted);margin-top:16px;font-size:1.02rem}

/* ---------- Features ---------- */
.features{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 26px;transition:transform .35s var(--ease),border-color .35s,box-shadow .35s;
  position:relative;overflow:hidden;
}
.feature-card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--green),transparent);opacity:0;transition:opacity .35s;
}
.feature-card:hover{transform:translateY(-6px);border-color:rgba(200,243,29,.4);box-shadow:0 24px 50px rgba(0,0,0,.45)}
.feature-card:hover::before{opacity:1}
.feature-icon{
  width:60px;height:60px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(200,243,29,.1);color:var(--green);margin-bottom:22px;
}
.feature-icon svg{width:30px;height:30px}
.feature-card h3{font-family:var(--font-head);font-weight:700;font-size:1.25rem;color:#fff;margin-bottom:12px}
.feature-card p{color:var(--muted);font-size:.93rem}

/* ---------- Products ---------- */
.products{background:var(--bg)}
.product-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:26px;
}
.product-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .35s var(--ease),border-color .35s,box-shadow .35s;
  display:flex;flex-direction:column;
}
.product-card:hover{transform:translateY(-8px);border-color:rgba(200,243,29,.4);box-shadow:var(--shadow)}
.product-media{
  aspect-ratio:4/3;background:radial-gradient(120% 120% at 50% 30%,#1c1d23 0%,#101014 100%);
  display:flex;align-items:center;justify-content:center;padding:26px;border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;
}
.product-media img{width:100%;height:100%;object-fit:contain;transition:transform .5s var(--ease)}
.product-card:hover .product-media img{transform:scale(1.06)}
.product-tag{
  position:absolute;top:14px;left:14px;background:var(--green);color:#0a0a0c;
  font-family:var(--font-head);font-weight:700;font-size:.72rem;letter-spacing:.08em;
  padding:4px 10px;border-radius:20px;text-transform:uppercase;
}
.product-body{padding:22px;display:flex;flex-direction:column;flex:1}
.product-name{font-family:var(--font-head);font-weight:700;font-size:1.25rem;color:#fff}
.product-desc{color:var(--muted);font-size:.9rem;margin:8px 0 16px;flex:1}
.product-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.product-price{font-family:var(--font-display);font-weight:800;font-size:1.3rem;color:var(--green)}
.product-rating{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:.85rem}
.stars{color:var(--green);letter-spacing:1px}

/* ---------- About ---------- */
.about{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.about-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.about-visual{position:relative}
.about-img{
  width:100%;max-width:420px;border-radius:var(--radius);filter:drop-shadow(0 30px 60px rgba(0,0,0,.6));
}
.about-chip{
  position:absolute;bottom:-14px;left:-14px;background:var(--green);color:#0a0a0c;
  font-family:var(--font-head);font-weight:700;letter-spacing:.1em;font-size:.8rem;
  padding:10px 18px;border-radius:8px;text-transform:uppercase;box-shadow:0 12px 30px rgba(200,243,29,.3);
}
.about-text .section-title{margin-bottom:22px}
.about-p{color:var(--muted);margin-bottom:18px;max-width:520px}
.about-points{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.about-point{display:flex;align-items:center;gap:12px;color:var(--text);font-family:var(--font-head);font-weight:600}
.about-point .check{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;background:rgba(200,243,29,.12);
  color:var(--green);display:flex;align-items:center;justify-content:center;font-size:.85rem;
}

/* ---------- Contact ---------- */
.contact{background:var(--bg)}
.contact-wrap{max-width:720px;margin:0 auto}
.contact-head{text-align:center;margin-bottom:48px}
.contact-form{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:40px;box-shadow:var(--shadow);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-group{margin-bottom:20px}
.form-group label{
  display:block;font-family:var(--font-head);font-weight:600;font-size:.85rem;
  color:var(--muted);margin-bottom:8px;letter-spacing:.02em;
}
.form-group input,.form-group textarea{
  width:100%;background:var(--bg);border:1px solid var(--line-2);border-radius:var(--radius-sm);
  padding:13px 16px;color:var(--text);font-family:var(--font-body);font-size:.95rem;
  transition:border-color .25s,box-shadow .25s;resize:vertical;
}
.form-group input:focus,.form-group textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(200,243,29,.12);
}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--muted-2)}
.form-note{text-align:center;color:var(--muted-2);font-size:.82rem;margin-top:16px}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line);background:var(--bg)}
.footer-inner{
  padding:56px 24px 36px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;align-items:flex-start;
}
.footer-brand .brand-logo{height:34px;margin-bottom:12px}
.footer-tag{color:var(--muted);font-family:var(--font-head);font-weight:600;letter-spacing:.05em}
.footer-links{display:flex;flex-direction:column;gap:12px;padding-top:6px}
.footer-links a{color:var(--muted);font-size:.92rem;transition:color .25s}
.footer-links a:hover{color:var(--green)}
.footer-social{display:flex;gap:14px;padding-top:6px;justify-content:flex-end}
.footer-social a{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;color:var(--muted);transition:.25s;
}
.footer-social a:hover{border-color:var(--green);color:var(--green);transform:translateY(-3px)}
.footer-social svg{width:18px;height:18px}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.footer-bottom span{color:var(--muted-2);font-size:.82rem}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.08s}
.reveal-delay-2{transition-delay:.16s}
.reveal-delay-3{transition-delay:.24s}
.reveal-delay-4{transition-delay:.32s}

/* ---------- Responsive ---------- */
@media(max-width:1000px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .about-wrap{grid-template-columns:1fr;gap:44px}
  .about-visual{max-width:340px;margin:0 auto}
  .footer-inner{grid-template-columns:1fr 1fr}
  .footer-social{justify-content:flex-start;margin-top:10px}
}
@media(max-width:820px){
  .nav-links{
    position:fixed;top:74px;right:0;bottom:0;width:min(320px,80%);
    background:rgba(10,10,14,.98);backdrop-filter:blur(16px);
    flex-direction:column;align-items:flex-start;gap:0;padding:30px 28px;
    transform:translateX(100%);transition:transform .4s var(--ease);
    border-left:1px solid var(--line);
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{display:block;width:100%;padding:16px 0;border-bottom:1px solid var(--line);font-size:1.05rem}
  .nav-links a::after{display:none}
  .lang-switch{margin:20px 0 0;padding-top:14px}
  .hamburger{display:flex}
  .nav-actions .btn-sm{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:26px;max-width:340px}
  .form-row{grid-template-columns:1fr}
  .contact-form{padding:28px 22px}
}
@media(max-width:560px){
  .feature-grid{grid-template-columns:1fr}
  .section{padding:80px 0}
  .hero-cta{flex-direction:column;align-items:flex-start}
  .footer-inner{grid-template-columns:1fr}
}

/* ---------- 4-language switcher: tighten nav on mid screens ---------- */
@media(max-width:1220px) and (min-width:821px){
  .nav-links{gap:20px}
  .lang-switch{gap:4px}
  .lang-btn{padding:3px 4px;font-size:.78rem}
}
@media(max-width:1060px) and (min-width:821px){
  .nav-links{gap:14px}
  .nav-links a{font-size:.86rem}
}