* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }
:root {
  --bg: #0b0e17; --bg2: #121726; --card: #171e31; --card-h: #1e2740;
  --text: #eef1f8; --muted: #8b93ab; --accent: #6c5ce7; --accent2: #a29bfe;
  --green: #00b894; --red: #ff6b6b; --radius: 16px;
}
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; line-height: 1.55; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

/* header */
.header { position: sticky; top: 0; z-index: 50; background: rgba(11,14,23,.85); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255,255,255,.06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { font-size: 22px; font-weight: 800; text-decoration: none; color: var(--text); letter-spacing: -.5px; }
.logo span { color: var(--accent2); }
.nav { display: flex; gap: 24px; }
.nav-link { color: var(--muted); text-decoration: none; font-size: 15px; transition: color .2s; }
.nav-link:hover { color: var(--text); }
.cart-btn { position: relative; background: var(--card); border: 1px solid rgba(255,255,255,.1); color: var(--text); font-size: 20px; padding: 8px 14px; border-radius: 12px; cursor: pointer; transition: .2s; }
.cart-btn:hover { background: var(--card-h); }
.cart-count { position: absolute; top: -6px; right: -6px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; min-width: 20px; height: 20px; border-radius: 10px; display: flex; align-items: center; justify-content: center; padding: 0 5px; }

/* hero */
.hero { padding: 80px 0 60px; background: radial-gradient(800px 400px at 80% 0%, rgba(108,92,231,.25), transparent 60%), radial-gradient(600px 300px at 10% 100%, rgba(0,184,148,.12), transparent 60%); }
.hero-inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; }
.hero h1 { font-size: 46px; line-height: 1.15; letter-spacing: -1px; }
.grad { background: linear-gradient(90deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: var(--muted); font-size: 17px; margin: 18px 0 28px; max-width: 480px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 13px 26px; border-radius: 12px; font-size: 15px; font-weight: 600; text-decoration: none; cursor: pointer; border: none; transition: .2s; }
.btn-primary { background: linear-gradient(135deg, var(--accent), #8e7bf5); color: #fff; box-shadow: 0 8px 24px rgba(108,92,231,.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(108,92,231,.5); }
.btn-primary:disabled { opacity: .5; transform: none; cursor: not-allowed; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid rgba(255,255,255,.18); }
.btn-ghost:hover { border-color: var(--accent2); color: var(--accent2); }
.btn-block { display: block; width: 100%; text-align: center; }
.hero-stats { display: flex; gap: 34px; margin-top: 36px; }
.hero-stats b { display: block; font-size: 24px; }
.hero-stats span { color: var(--muted); font-size: 13px; }
.hero-art { position: relative; height: 320px; }
.orb { position: absolute; border-radius: 50%; filter: blur(2px); }
.orb-1 { width: 200px; height: 200px; top: 10px; right: 40px; background: linear-gradient(135deg, var(--accent), var(--accent2)); opacity: .8; animation: float 6s ease-in-out infinite; }
.orb-2 { width: 110px; height: 110px; bottom: 30px; right: 180px; background: linear-gradient(135deg, var(--green), #55efc4); opacity: .7; animation: float 7s ease-in-out infinite reverse; }
.orb-3 { width: 60px; height: 60px; top: 90px; right: 10px; background: #fdcb6e; opacity: .8; animation: float 5s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-18px); } }

/* catalog */
.catalog { padding: 70px 0; }
.section-title { font-size: 30px; margin-bottom: 26px; letter-spacing: -.5px; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.chip { background: var(--card); color: var(--muted); border: 1px solid rgba(255,255,255,.08); padding: 8px 18px; border-radius: 20px; cursor: pointer; font-size: 14px; transition: .2s; }
.chip:hover { color: var(--text); border-color: rgba(255,255,255,.2); }
.chip.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 22px; }
.card { background: var(--card); border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius); padding: 18px; display: flex; flex-direction: column; gap: 10px; transition: .25s; }
.card:hover { transform: translateY(-4px); border-color: rgba(108,92,231,.4); background: var(--card-h); box-shadow: 0 14px 34px rgba(0,0,0,.35); }
.card-img { height: 140px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 64px; background: radial-gradient(circle at 30% 30%, rgba(108,92,231,.25), rgba(11,14,23,.9)); }
.card-cat { color: var(--accent2); font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.card h3 { font-size: 17px; }
.card-desc { color: var(--muted); font-size: 13.5px; flex-grow: 1; }
.card-price { display: flex; align-items: baseline; gap: 10px; }
.card-price b { font-size: 20px; }
.card-price s { color: var(--muted); font-size: 14px; }
.card-stock { font-size: 12.5px; color: var(--green); }
.card-stock.out { color: var(--red); }
.card-actions { display: flex; gap: 10px; }
.btn-add { flex: 1; background: var(--accent); color: #fff; border: none; border-radius: 10px; padding: 10px; font-size: 14px; font-weight: 600; cursor: pointer; transition: .2s; }
.btn-add:hover { background: #7d6cf0; }
.btn-add:disabled { background: #2a3150; color: var(--muted); cursor: not-allowed; }
.empty { color: var(--muted); text-align: center; padding: 40px 0; font-size: 17px; }

/* about */
.about { padding: 20px 0 70px; }
.about-inner { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.about-card { background: var(--card); border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius); padding: 26px; }
.about-ico { font-size: 34px; }
.about-card h3 { margin: 12px 0 6px; font-size: 18px; }
.about-card p { color: var(--muted); font-size: 14.5px; }

/* footer */
.footer { background: var(--bg2); border-top: 1px solid rgba(255,255,255,.06); padding: 46px 0 0; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; padding-bottom: 34px; }
.footer-note { color: var(--muted); font-size: 14px; margin-top: 10px; }
.footer-col h4 { font-size: 15px; margin-bottom: 12px; }
.footer-col p { color: var(--muted); font-size: 14px; margin-bottom: 8px; cursor: pointer; }
.footer-col p:hover { color: var(--text); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.06); padding: 16px 20px; color: var(--muted); font-size: 13px; text-align: center; }

/* cart drawer */
.overlay { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 90; backdrop-filter: blur(3px); }
.cart { position: fixed; top: 0; right: 0; bottom: 0; width: 400px; max-width: 92vw; background: var(--bg2); z-index: 100; display: flex; flex-direction: column; transform: translateX(100%); transition: transform .3s ease; box-shadow: -20px 0 60px rgba(0,0,0,.5); }
.cart.open { transform: translateX(0); }
.cart-head { display: flex; justify-content: space-between; align-items: center; padding: 20px; border-bottom: 1px solid rgba(255,255,255,.08); }
.cart-head h3 { font-size: 19px; }
.close { background: none; border: none; color: var(--muted); font-size: 20px; cursor: pointer; padding: 4px 8px; border-radius: 8px; }
.close:hover { color: var(--text); background: rgba(255,255,255,.06); }
.cart-items { flex: 1; overflow-y: auto; padding: 14px 20px; display: flex; flex-direction: column; gap: 12px; }
.cart-item { display: flex; gap: 12px; background: var(--card); border-radius: 12px; padding: 12px; }
.cart-item .ci-img { font-size: 34px; width: 48px; text-align: center; }
.cart-item .ci-info { flex: 1; }
.cart-item .ci-name { font-size: 14.5px; font-weight: 600; }
.cart-item .ci-price { color: var(--accent2); font-size: 13.5px; margin-top: 2px; }
.ci-qty { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
.ci-qty button { width: 26px; height: 26px; border-radius: 8px; border: 1px solid rgba(255,255,255,.15); background: transparent; color: var(--text); cursor: pointer; font-size: 15px; }
.ci-qty button:hover { background: rgba(255,255,255,.08); }
.ci-qty span { min-width: 20px; text-align: center; font-weight: 600; }
.ci-remove { background: none; border: none; color: var(--red); cursor: pointer; font-size: 13px; align-self: flex-start; padding: 4px; }
.cart-empty { color: var(--muted); text-align: center; padding: 40px 20px; font-size: 15px; }
.cart-foot { padding: 18px 20px 22px; border-top: 1px solid rgba(255,255,255,.08); }
.cart-total { display: flex; justify-content: space-between; font-size: 16px; margin-bottom: 14px; }
.cart-total b { font-size: 19px; color: var(--accent2); }

/* modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 110; display: flex; align-items: center; justify-content: center; padding: 20px; backdrop-filter: blur(4px); }
.modal { background: var(--bg2); border: 1px solid rgba(255,255,255,.1); border-radius: 18px; width: 460px; max-width: 100%; padding: 28px; position: relative; max-height: 90vh; overflow-y: auto; }
.modal .close { position: absolute; top: 14px; right: 14px; }
.modal h3 { font-size: 21px; margin-bottom: 18px; }
#orderForm label { display: block; margin-bottom: 13px; font-size: 14px; color: var(--muted); }
#orderForm input, #orderForm textarea { width: 100%; margin-top: 6px; background: var(--card); border: 1px solid rgba(255,255,255,.12); color: var(--text); border-radius: 10px; padding: 11px 13px; font-size: 15px; font-family: inherit; outline: none; transition: border .2s; }
#orderForm input:focus, #orderForm textarea:focus { border-color: var(--accent); }
.form-note { color: var(--muted); font-size: 12.5px; text-align: center; margin-top: 12px; }

/* toast */
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--green); color: #06281e; font-weight: 600; padding: 13px 26px; border-radius: 12px; z-index: 200; opacity: 0; transition: .3s; box-shadow: 0 10px 30px rgba(0,0,0,.4); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { background: var(--red); color: #fff; }

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { display: none; }
  .hero h1 { font-size: 34px; }
  .about-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .nav { display: none; }
}