/* /var/www/bytebuy/static/css/style.css */
:root {
  --bg: #0b0f0a;
  --surface: #131a11;
  --surface2: #1a2317;
  --ink: #eef4ea;
  --muted: #8a9584;
  --line: #263020;
  --lime: #c8ff00;
  --lime-soft: #d9ff4d;
  --lime-dim: rgba(200,255,0,0.1);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --font-head: 'Bebas Neue', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; cursor: pointer; }
button { font-family: inherit; cursor: pointer; }
.container, .wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--font-mono); }
.muted { color: var(--muted); }

/* HEADER */
.site-header, .header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11,15,10,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-header .container, .header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 62px; gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.logo-mark {
  width: 26px; height: 26px; background: var(--lime); color: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 16px; border-radius: 6px;
}
.logo-text { font-family: var(--font-head); font-size: 20px; letter-spacing: 1.5px; }
.logo-text span { color: var(--lime); }

.nav, .nav-links { display: flex; align-items: center; gap: 4px; }
.nav a, .nav-links a {
  color: var(--muted); padding: 8px 12px; font-size: 12px; font-weight: 500;
  transition: color 0.15s; border-radius: 6px;
}
.nav a:hover, .nav-links a:hover { color: var(--ink); background: var(--surface); }
.nav a.accent, .nav-links a.accent { color: var(--lime); }

.cart-btn {
  background: var(--lime); color: var(--bg); border: none;
  padding: 8px 14px; font-weight: 700; font-size: 12px; border-radius: 6px;
  display: inline-flex; align-items: center; gap: 6px; margin-left: 8px;
  font-family: var(--font-mono); transition: background 0.15s;
}
.cart-btn:hover { background: var(--lime-soft); }
.cart-count {
  background: var(--bg); color: var(--lime);
  padding: 1px 6px; border-radius: 3px; font-weight: 700; font-size: 10px;
}

/* BUTTONS */
.btn {
  background: var(--lime); color: var(--bg); border: none;
  padding: 12px 22px; font-size: 12px; font-weight: 700;
  border-radius: var(--radius-md); transition: all 0.15s;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn:hover { background: var(--lime-soft); }
.btn-accent { background: var(--lime); color: var(--bg); }
.btn-accent:hover { background: var(--lime-soft); }
.btn-ghost, .btn-outline {
  background: transparent; color: var(--ink); border: 1px solid var(--line);
}
.btn-ghost:hover, .btn-outline:hover {
  border-color: var(--lime); color: var(--lime); background: transparent;
}
.btn-sm { padding: 6px 12px; font-size: 10px; }

/* HERO */
.hero { padding: 64px 0 48px; }
.hero-top {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 10px; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--muted); margin-bottom: 28px;
}
.hero-top .pill {
  background: var(--lime-dim); color: var(--lime); padding: 5px 10px;
  border-radius: 20px; font-weight: 600; font-size: 10px;
}
.hero-top .line { flex: 1; height: 1px; background: var(--line); min-width: 30px; }
.hero h1 {
  font-family: var(--font-head); font-size: clamp(40px, 7vw, 84px);
  line-height: 0.92; letter-spacing: 1px; margin-bottom: 28px;
  text-transform: uppercase; font-weight: 400;
}
.hero h1 .row { display: block; }
.hero h1 .lime { color: var(--lime); }
.hero h1 .outline { -webkit-text-stroke: 1.5px var(--ink); color: transparent; }
.hero-bottom {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: end;
  padding-top: 28px; border-top: 1px solid var(--line);
}
.hero-lead { font-size: 14px; line-height: 1.7; max-width: 460px; color: var(--muted); }
.hero-lead strong { color: var(--lime); font-weight: 600; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }

/* SECTION HEADERS */
.sec-head {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 18px 0 18px; margin-bottom: 24px; border-bottom: 1px solid var(--line);
}
.sec-num {
  font-family: var(--font-mono); font-size: 11px; color: var(--lime);
  font-weight: 600; letter-spacing: 1px;
}
.sec-title {
  font-family: var(--font-head); font-size: 26px; letter-spacing: 1px;
  text-transform: uppercase; font-weight: 400;
}
.sec-sub {
  margin-left: auto; font-family: var(--font-mono); font-size: 10px;
  color: var(--muted); text-transform: uppercase; letter-spacing: 1.5px;
}

/* FEATURES */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 40px; }
.feature {
  padding: 24px; background: var(--surface); border-radius: var(--radius-lg);
  position: relative; transition: background 0.15s;
}
.feature:hover { background: var(--surface2); }
.feature-num {
  font-family: var(--font-mono); font-size: 10px; color: var(--lime);
  margin-bottom: 12px; letter-spacing: 1px;
}
.feature h3 {
  font-family: var(--font-head); font-size: 22px; letter-spacing: 0.5px;
  margin-bottom: 6px; line-height: 1.05; text-transform: uppercase; font-weight: 400;
}
.feature h3 em { font-style: normal; color: var(--lime); }
.feature p { color: var(--muted); font-size: 13px; line-height: 1.6; }

/* STEPS */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 40px; }
.step {
  padding: 22px 20px; background: var(--surface); border-radius: var(--radius-lg);
  position: relative;
}
.step-num {
  font-family: var(--font-head); font-size: 36px; line-height: 0.85;
  color: var(--lime); letter-spacing: 1px; margin-bottom: 12px;
}
.step h3 {
  font-family: var(--font-head); font-size: 18px; letter-spacing: 0.5px;
  margin-bottom: 4px; text-transform: uppercase; font-weight: 400;
}
.step p { color: var(--muted); font-size: 12px; line-height: 1.55; }

/* AUDIENCE */
.audience { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 40px; }
.aud-item {
  padding: 18px 20px; background: var(--surface); border-radius: var(--radius-lg);
  display: flex; align-items: center; gap: 14px; transition: all 0.15s;
}
.aud-item:hover { background: var(--surface2); }
.aud-icon { font-size: 24px; }
.aud-item h3 {
  font-family: var(--font-head); font-size: 18px; letter-spacing: 0.5px;
  margin-bottom: 2px; text-transform: uppercase; font-weight: 400;
}
.aud-item p { color: var(--muted); font-size: 12px; }

/* QUOTE */
.quote {
  padding: 32px 36px; margin: 40px 0; position: relative;
  background: var(--surface); border-radius: var(--radius-lg);
  border-left: 3px solid var(--lime);
}
.quote p {
  font-family: var(--font-head); font-size: 24px; line-height: 1.2;
  letter-spacing: 0.5px; margin-bottom: 10px; text-transform: uppercase; font-weight: 400;
}
.quote span {
  font-family: var(--font-mono); font-size: 10px; color: var(--lime);
  text-transform: uppercase; letter-spacing: 1.5px;
}

/* FAQ */
.faq { margin-bottom: 40px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  padding: 18px 0; font-size: 14px; font-weight: 500; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; transition: color 0.15s;
}
.faq-q:hover { color: var(--lime); }
.faq-q::after { content: '+'; font-family: var(--font-head); font-size: 24px; color: var(--lime); line-height: 1; }
.faq-item.open .faq-q::after { content: '−'; }
.faq-a { display: none; padding: 0 0 20px; color: var(--muted); font-size: 13px; line-height: 1.75; }
.faq-item.open .faq-a { display: block; }

/* SEO */
.seo-text { padding: 32px; margin: 40px 0; background: var(--surface); border-radius: var(--radius-lg); }
.seo-label {
  font-family: var(--font-mono); font-size: 10px; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--lime); margin-bottom: 16px; display: block;
}
.seo-content h2 {
  font-family: var(--font-head); font-size: 28px; letter-spacing: 1px;
  line-height: 1.05; margin-bottom: 16px; text-transform: uppercase; font-weight: 400;
}
.seo-content h2 em { font-style: normal; color: var(--lime); }
.seo-content p { color: var(--muted); font-size: 13px; line-height: 1.85; margin-bottom: 12px; }
.seo-content h3 {
  font-family: var(--font-head); font-size: 20px; letter-spacing: 0.5px;
  margin: 20px 0 8px; color: var(--lime); text-transform: uppercase; font-weight: 400;
}
.seo-content ul { margin: 10px 0 10px 18px; color: var(--muted); font-size: 13px; line-height: 1.85; }
.seo-content li::marker { color: var(--lime); }

/* CTA */
.cta-block {
  padding: 48px 32px; text-align: center; margin: 40px 0 64px;
  position: relative; background: var(--surface); border-radius: var(--radius-xl); overflow: hidden;
}
.cta-block::before {
  content: ''; position: absolute; top: -50%; right: -10%; width: 400px; height: 400px;
  background: radial-gradient(circle, var(--lime-dim), transparent 70%); pointer-events: none;
}
.cta-block h2 {
  font-family: var(--font-head); font-size: 44px; line-height: 0.95;
  letter-spacing: 1.5px; margin-bottom: 10px; position: relative;
  text-transform: uppercase; font-weight: 400;
}
.cta-block h2 em { font-style: normal; color: var(--lime); }
.cta-block p { font-size: 14px; margin-bottom: 24px; position: relative; color: var(--muted); }

/* CATALOG */
.catalog-page { padding: 40px 0 64px; }
.categories { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
.cat-chip {
  background: transparent; border: 1px solid var(--line);
  padding: 8px 16px; font-size: 12px; color: var(--muted); font-weight: 500;
  border-radius: 20px; transition: all 0.15s;
}
.cat-chip:hover { color: var(--ink); border-color: var(--lime); }
.cat-chip.active { background: var(--lime); color: var(--bg); border-color: var(--lime); font-weight: 600; }

/* GRID + CARD */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; margin-bottom: 48px; }
.card {
  background: var(--surface); border-radius: var(--radius-lg);
  position: relative; transition: all 0.2s; display: flex; flex-direction: column;
  overflow: hidden; border: none; padding: 0;
}
.card:hover { background: var(--surface2); transform: translateY(-3px); }
.card-preview {
  height: 130px; background: var(--bg); display: flex; align-items: center;
  justify-content: center; position: relative; overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.card-preview-icon { font-size: 46px; position: relative; z-index: 1; transition: transform 0.2s; }
.card:hover .card-preview-icon { transform: scale(1.08) rotate(-3deg); }
.card-format {
  position: absolute; top: 10px; left: 10px;
  font-family: var(--font-mono); font-size: 9px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1px;
  background: var(--lime-dim); color: var(--lime);
  padding: 4px 8px; border-radius: 4px; z-index: 2;
}
.card-body { padding: 18px; display: flex; flex-direction: column; flex: 1; }
.card-cat {
  font-family: var(--font-mono); font-size: 9px; color: var(--lime);
  text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 8px; font-weight: 600;
}
.card h3 {
  font-family: var(--font-head); font-size: 20px; letter-spacing: 0.5px;
  margin-bottom: 6px; line-height: 1.1; text-transform: uppercase; font-weight: 400;
}
.card p { color: var(--muted); font-size: 12px; flex: 1; margin-bottom: 14px; line-height: 1.55; }
.card-specs {
  display: flex; gap: 14px; padding: 10px 0; border-top: 1px solid var(--line);
  margin-bottom: 14px; font-family: var(--font-mono); font-size: 10px;
  color: var(--muted); text-transform: uppercase;
}
.card-specs span { color: var(--lime); margin-right: 3px; }
.card-footer { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.price { font-family: var(--font-head); font-size: 22px; letter-spacing: 0.5px; }
.price::after { content: ' ₽'; font-size: 11px; color: var(--muted); font-family: var(--font-mono); }
.card-cta {
  font-family: var(--font-mono); font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1px; color: var(--muted);
  display: flex; align-items: center; gap: 4px; transition: color 0.15s;
}
.card:hover .card-cta { color: var(--lime); }
.card-cta::after { content: '↗'; font-size: 13px; }

/* PRODUCT */
.product-page { padding: 40px 0 64px; }
.product-layout { display: grid; grid-template-columns: 1fr 320px; gap: 36px; align-items: start; }
.back-link {
  font-family: var(--font-mono); font-size: 11px; color: var(--muted);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px;
  display: inline-flex; align-items: center; gap: 6px;
}
.back-link:hover { color: var(--lime); }
.product-cover {
  height: 240px; background: var(--surface); border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 88px; margin-bottom: 24px;
}
.product-cover span { position: relative; z-index: 1; }
.product-info h1 {
  font-family: var(--font-head); font-size: 40px; letter-spacing: 1px;
  line-height: 0.95; margin-bottom: 12px; text-transform: uppercase; font-weight: 400;
}
.product-desc { color: var(--muted); font-size: 13px; line-height: 1.85; margin: 16px 0; white-space: pre-line; }
.buy-box {
  background: var(--surface); border-radius: var(--radius-lg);
  padding: 26px; position: sticky; top: 82px;
}
.buy-box .price-big {
  font-family: var(--font-head); font-size: 44px; letter-spacing: 1px;
  margin-bottom: 20px; line-height: 1;
}
.buy-box .price-big::after { content: ' ₽'; font-size: 14px; color: var(--muted); font-family: var(--font-mono); }
.buy-box .btn { width: 100%; justify-content: center; margin-bottom: 10px; }
.buy-box .meta {
  font-size: 11px; color: var(--muted); margin-top: 20px; padding-top: 18px;
  border-top: 1px solid var(--line); font-family: var(--font-mono);
}
.buy-box .meta div { margin-bottom: 8px; display: flex; gap: 8px; }
.buy-box .meta span { color: var(--lime); }

/* CART */
.cart-page { padding: 40px 0 64px; }
.cart-item {
  display: flex; align-items: center; gap: 18px;
  background: var(--surface); border-radius: var(--radius-lg);
  padding: 18px; margin-bottom: 10px;
}
.cart-item-cover {
  width: 54px; height: 54px; background: var(--bg); border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; flex-shrink: 0;
}
.cart-item-info { flex: 1; }
.cart-item-info h3 {
  font-family: var(--font-head); font-size: 18px; letter-spacing: 0.5px;
  margin-bottom: 0; text-transform: uppercase; font-weight: 400;
}
.cart-item-info p { color: var(--muted); font-size: 10px; font-family: var(--font-mono); text-transform: uppercase; }
.remove-btn {
  background: transparent; border: none; color: var(--muted);
  font-size: 16px; padding: 6px 10px; border-radius: var(--radius-sm);
}
.remove-btn:hover { color: var(--lime); background: var(--lime-dim); }
.cart-total {
  background: var(--surface); border-radius: var(--radius-lg); padding: 24px;
  margin-top: 16px; display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 16px;
}
.cart-total .price-big {
  font-family: var(--font-head); font-size: 38px; letter-spacing: 1px; line-height: 1;
}
.cart-total .price-big::after { content: ' ₽'; font-size: 12px; color: var(--muted); font-family: var(--font-mono); }
.empty-state {
  text-align: center; padding: 64px 20px; color: var(--muted);
  background: var(--surface); border-radius: var(--radius-lg);
}
.empty-state .icon { font-size: 48px; margin-bottom: 14px; opacity: 0.3; }
.empty-state p {
  font-family: var(--font-mono); font-size: 12px;
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 18px;
}

/* AUTH */
.auth-page { padding: 72px 0; }
.auth-box {
  max-width: 400px; margin: 0 auto; background: var(--surface);
  border-radius: var(--radius-xl); padding: 36px;
}
.auth-box h2 {
  font-family: var(--font-head); font-size: 32px; letter-spacing: 1px;
  margin-bottom: 4px; line-height: 1; text-transform: uppercase; font-weight: 400;
}
.auth-box .sub {
  color: var(--muted); font-size: 11px; margin-bottom: 24px; font-family: var(--font-mono);
}
.auth-box input {
  width: 100%; background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--radius-md); padding: 12px 14px; color: var(--ink);
  font-size: 13px; margin-bottom: 10px; font-family: var(--font-mono);
}
.auth-box input:focus { outline: none; border-color: var(--lime); }
.auth-box input::placeholder { color: var(--muted); }
.auth-box .btn { width: 100%; justify-content: center; margin-top: 8px; }
.auth-switch { text-align: center; margin-top: 20px; font-size: 12px; color: var(--muted); }
.auth-switch a { color: var(--lime); font-weight: 600; }

/* ACCOUNT */
.account-page { padding: 40px 0 64px; }
.account-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 32px; flex-wrap: wrap; gap: 16px;
}
.account-header h1 {
  font-family: var(--font-head); font-size: 38px; letter-spacing: 1px;
  line-height: 1; text-transform: uppercase; font-weight: 400;
}
.account-header .user-email {
  color: var(--muted); font-size: 12px; font-family: var(--font-mono); margin-top: 3px;
}
.orders-table {
  width: 100%; border-collapse: collapse; background: var(--surface);
  border-radius: var(--radius-lg); overflow: hidden;
}
.orders-table th, .orders-table td {
  padding: 14px 16px; text-align: left; font-size: 13px; border-bottom: 1px solid var(--line);
}
.orders-table th {
  background: var(--bg); color: var(--muted); font-weight: 500; font-size: 10px;
  text-transform: uppercase; letter-spacing: 1.5px; font-family: var(--font-mono);
}
.orders-table tr:last-child td { border-bottom: none; }
.status-badge {
  display: inline-block; padding: 4px 10px; font-size: 10px; font-weight: 600;
  font-family: var(--font-mono); text-transform: uppercase;
  background: var(--lime-dim); color: var(--lime); border-radius: 4px;
}

/* FORMS (admin, generic) */
input, textarea, select {
  width: 100%; background: var(--bg); color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 12px 14px; font-family: var(--font-body); font-size: 13px;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--lime); }
textarea { resize: vertical; }

/* FOOTER */
.site-footer, .footer {
  border-top: 1px solid var(--line); padding: 32px 0; margin-top: 48px;
  color: var(--muted); font-size: 11px; font-family: var(--font-mono);
}
.site-footer .container, .footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.site-footer .accent, .footer .accent { color: var(--lime); }

/* TOAST */
.toast {
  position: fixed; bottom: 24px; right: 24px; background: var(--lime); color: var(--bg);
  padding: 14px 22px; font-size: 12px; font-family: var(--font-mono); font-weight: 600;
  border-radius: 10px; opacity: 0; transform: translateY(10px);
  transition: all 0.25s; pointer-events: none; z-index: 200;
  box-shadow: 0 8px 30px rgba(200,255,0,0.25);
}
.toast.show { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 1000px) {
  .hero-bottom { grid-template-columns: 1fr; gap: 20px; }
  .hero-actions { justify-content: flex-start; }
  .features { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .product-layout { grid-template-columns: 1fr; gap: 24px; }
  .buy-box { position: static; }
}
@media (max-width: 700px) {
  .container, .wrap { padding: 0 16px; }
  .site-header .container, .header .container { height: 58px; }
  .nav a.hide-mobile, .nav-links .hide-mobile { display: none; }
  .nav a, .nav-links a { padding: 6px 8px; font-size: 11px; }
  .steps { grid-template-columns: 1fr; }
  .audience { grid-template-columns: 1fr; }
  .cta-block h2 { font-size: 32px; }
  .quote p { font-size: 19px; }
  .seo-text { padding: 22px; }
}