:root {
  --bg:       #0c0c0f;
  --bg2:      #111116;
  --bg3:      #1a1a20;
  --card:     #14141a;
  --border:   #22222c;
  --border2:  #32323e;
  --text:     #e8e8f0;
  --muted:    #8a8a9a;
  --dim:      #484858;
  --accent:   #6c63ff;
  --accent2:  #9b94ff;
  --accentbg: rgba(108,99,255,0.1);
  --gold:     #f0b429;
  --red:      #e05252;
  --green:    #3ecf8e;
  --orange:   #f59e0b;
  --cyan:     #00bcd4;
  --white:    #ffffff;
  --glow:     0 0 24px rgba(108,99,255,0.25);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Arial, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { display: block; }

/* ── NAV ─────────────────────────────────────────────────────── */
nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 52px; height: 66px;
  background: rgba(12,12,15,0.97);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 200;
  backdrop-filter: blur(16px);
}
.logo {
  font-size: 1.3rem; font-weight: 900;
  color: var(--white); letter-spacing: -0.03em;
}
.logo span {
  color: var(--accent);
  text-shadow: 0 0 18px rgba(108,99,255,0.6);
}
nav ul { list-style: none; display: flex; align-items: center; gap: 4px; }
nav ul a {
  color: var(--muted); font-size: 0.875rem; font-weight: 500;
  padding: 7px 14px; border-radius: 6px; transition: all 0.18s;
}
nav ul a:hover { color: var(--text); background: var(--bg3); }

/* ── HERO ─────────────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 110px 24px 100px;
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(108,99,255,0.16) 0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 80% 60%, rgba(0,188,212,0.05) 0%, transparent 60%);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(108,99,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108,99,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent2);
  border: 1px solid rgba(108,99,255,0.4);
  padding: 5px 16px; border-radius: 99px;
  margin-bottom: 32px;
  background: rgba(108,99,255,0.07);
}
.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 900; color: var(--white);
  letter-spacing: -0.04em; line-height: 1.1;
  margin-bottom: 22px;
}
.hero h1 em {
  color: var(--accent2);
  font-style: normal;
  text-shadow: 0 0 32px rgba(108,99,255,0.4);
}
.hero p {
  font-size: 1.1rem; color: var(--muted);
  max-width: 560px; margin: 0 auto 44px; line-height: 1.8;
}

/* ── BUTTONS ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 8px;
  font-family: Arial, sans-serif; font-size: 0.9rem; font-weight: 700;
  cursor: pointer; border: none; transition: all 0.18s;
  text-decoration: none; letter-spacing: 0.01em;
}
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 4px 16px rgba(108,99,255,0.3);
}
.btn-primary:hover {
  background: var(--accent2);
  box-shadow: 0 6px 28px rgba(108,99,255,0.5);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid var(--border2);
}
.btn-outline:hover {
  border-color: var(--accent); color: var(--accent);
  background: var(--accentbg);
  box-shadow: 0 0 14px rgba(108,99,255,0.15);
}
.btn-sm { padding: 9px 18px; font-size: 0.82rem; }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { opacity: 0.88; }

/* ── STATS BAR ────────────────────────────────────────────────── */
.stats {
  display: flex; justify-content: center; gap: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}
.stat {
  flex: 1; max-width: 220px; text-align: center;
  padding: 30px 20px;
  border-right: 1px solid var(--border);
  transition: background 0.18s;
}
.stat:last-child { border-right: none; }
.stat:hover { background: var(--bg3); }
.stat-num {
  font-size: 2rem; font-weight: 900; color: var(--white);
  letter-spacing: -0.04em;
  text-shadow: 0 0 20px rgba(108,99,255,0.25);
}
.stat-label { font-size: 0.72rem; color: var(--muted); margin-top: 5px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }

/* ── PAGE SECTIONS ────────────────────────────────────────────── */
.section { padding: 80px 52px; max-width: 1280px; margin: 0 auto; }
.section-title {
  font-size: 1.6rem; font-weight: 900; color: var(--white);
  letter-spacing: -0.03em; margin-bottom: 8px;
}
.section-sub { color: var(--muted); font-size: 0.9rem; margin-bottom: 44px; }

/* ── FILTERS ──────────────────────────────────────────────────── */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.filter-btn {
  padding: 8px 18px; border-radius: 6px;
  border: 1px solid var(--border);
  color: var(--muted); background: transparent;
  font-family: Arial, sans-serif; font-size: 0.82rem;
  font-weight: 600; cursor: pointer; transition: all 0.18s;
}
.filter-btn.active, .filter-btn:hover {
  border-color: var(--accent); color: var(--accent);
  background: var(--accentbg);
  box-shadow: 0 0 10px rgba(108,99,255,0.12);
}

/* ── PRODUCT GRID ─────────────────────────────────────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 22px;
}
.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 22px;
}

/* ── CARD ─────────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform 0.22s, box-shadow 0.22s, border-color 0.22s;
  position: relative;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.22s;
  border-radius: 14px 14px 0 0;
}
.card:hover::before { opacity: 1; }
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.6), 0 0 0 1px var(--border2);
  border-color: var(--border2);
}

.card-img-wrap {
  position: relative; overflow: hidden; height: 180px;
  background: linear-gradient(135deg, #0d0d14 0%, #12121a 100%);
}
.card-img {
  width: 100%; height: 180px; object-fit: contain;
  transition: transform 0.3s, opacity 0.3s;
  padding: 18px;
  filter: brightness(0.9);
}
.card:hover .card-img { transform: scale(1.06); opacity: 1; filter: brightness(1); }
.card-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(20,20,26,0.9) 100%);
  pointer-events: none;
}
.card-img-badge { position: absolute; top: 12px; left: 12px; }

.card-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }

/* ── BADGES ───────────────────────────────────────────────────── */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 4px;
  font-size: 0.67rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
}
.badge-beginner { background: rgba(62,207,142,0.12); color: var(--green); border: 1px solid rgba(62,207,142,0.2); }
.badge-advanced  { background: rgba(245,158,11,0.12);  color: var(--orange); border: 1px solid rgba(245,158,11,0.2); }
.badge-elite     { background: rgba(224,82,82,0.12);   color: var(--red); border: 1px solid rgba(224,82,82,0.2); }

.card-title {
  font-size: 0.98rem; font-weight: 800; color: var(--white);
  margin: 10px 0 8px; line-height: 1.4;
}
.card-desc { font-size: 0.81rem; color: var(--muted); line-height: 1.65; flex: 1; margin-bottom: 14px; }

.stars-row { display: flex; align-items: center; gap: 6px; margin-bottom: 10px; }
.stars { display: inline-flex; gap: 1px; }
.star { color: var(--bg3); font-size: 0.88rem; }
.star.on { color: var(--gold); }
.stars-avg { font-size: 0.78rem; color: var(--muted); font-weight: 600; }
.stars-count { font-size: 0.72rem; color: var(--dim); }

.card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; border-top: 1px solid var(--border); margin-top: auto;
}
.price { font-size: 1.15rem; font-weight: 900; color: var(--white); letter-spacing: -0.02em; }
.price-xmr { font-size: 0.68rem; color: var(--dim); display: block; margin-top: 1px; }
.pages { font-size: 0.72rem; color: var(--dim); }

/* ── CATEGORY CARDS (homepage) ────────────────────────────────── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  max-width: 1280px;
  margin: 0 auto;
}
.cat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 30px 28px;
  display: flex; flex-direction: column; gap: 10px;
  cursor: pointer; text-decoration: none; color: inherit;
  transition: transform 0.22s, box-shadow 0.22s, border-color 0.22s;
  position: relative; overflow: hidden;
}
.cat-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--cat-color, var(--accent));
}
.cat-card::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 80% at 50% -20%, rgba(108,99,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.cat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.55);
  border-color: var(--border2);
}
.cat-card:hover .cat-arrow { transform: translateX(5px); }
.cat-icon { font-size: 2.2rem; margin-bottom: 4px; }
.cat-name { font-size: 1.05rem; font-weight: 800; color: var(--white); letter-spacing: -0.01em; }
.cat-desc { font-size: 0.81rem; color: var(--muted); line-height: 1.65; flex: 1; }
.cat-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 8px;
}
.cat-count {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; padding: 3px 10px;
  border-radius: 4px;
  background: rgba(255,255,255,0.05);
  color: var(--muted);
}
.cat-arrow { font-size: 1rem; color: var(--muted); transition: transform 0.2s; }

/* ── PRODUCT DETAIL ───────────────────────────────────────────── */
.product-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0; max-width: 1100px; margin: 52px auto;
  border: 1px solid var(--border); border-radius: 16px; overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.product-photo {
  width: 100%; height: 100%; min-height: 440px;
  object-fit: contain;
  background: linear-gradient(135deg, #0c0c14 0%, #12121e 100%);
  padding: 28px;
}
.product-info {
  background: var(--card); padding: 48px 44px;
  display: flex; flex-direction: column;
  border-left: 1px solid var(--border);
}
.product-info h1 {
  font-size: 1.55rem; font-weight: 900; color: var(--white);
  line-height: 1.3; margin: 14px 0 18px; letter-spacing: -0.025em;
}
.product-meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.chip {
  padding: 4px 12px; border-radius: 5px;
  border: 1px solid var(--border2);
  font-size: 0.72rem; font-weight: 600; color: var(--muted);
  background: var(--bg3);
}
.product-desc { font-size: 0.9rem; color: var(--muted); line-height: 1.9; flex: 1; margin-bottom: 28px; }
.product-price-block { margin-bottom: 24px; }
.product-price-big {
  font-size: 2.8rem; font-weight: 900; color: var(--white);
  letter-spacing: -0.04em;
  text-shadow: 0 0 24px rgba(255,255,255,0.1);
}
.product-price-xmr { font-size: 0.85rem; color: var(--dim); margin-top: 4px; }

.includes-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px; margin-top: 32px;
}
.includes-item {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px 18px;
  transition: border-color 0.18s;
}
.includes-item:hover { border-color: var(--border2); }
.includes-item .icon { font-size: 1.3rem; margin-bottom: 8px; }
.includes-item h4 { font-size: 0.8rem; font-weight: 700; color: var(--white); margin-bottom: 4px; }
.includes-item p { font-size: 0.72rem; color: var(--muted); line-height: 1.5; }

/* ── RATINGS ──────────────────────────────────────────────────── */
.ratings-wrap { max-width: 1100px; margin: 0 auto; padding: 0 0 80px; }
.ratings-summary {
  display: flex; align-items: center; gap: 36px;
  padding: 32px 36px; background: var(--card);
  border: 1px solid var(--border); border-radius: 14px;
  margin-bottom: 32px; flex-wrap: wrap;
}
.rating-score-big {
  font-size: 4.2rem; font-weight: 900; color: var(--white);
  letter-spacing: -0.05em; line-height: 1;
}
.rating-stars-big { display: flex; gap: 4px; margin: 6px 0; }
.rating-stars-big .star { font-size: 1.4rem; }
.rating-count-txt { font-size: 0.85rem; color: var(--muted); }

.review-form {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 30px 34px; margin-bottom: 32px;
}
.review-form h3 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 18px; }

.star-picker { display: flex; gap: 6px; margin-bottom: 18px; cursor: pointer; }
.star-picker .star { font-size: 1.8rem; color: var(--border2); transition: color 0.12s, transform 0.12s; }
.star-picker .star.sel,
.star-picker .star:hover { color: var(--gold); transform: scale(1.15); }

.form-row { display: flex; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.form-field {
  flex: 1; min-width: 160px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text);
  padding: 11px 14px; font-family: Arial, sans-serif; font-size: 0.875rem;
  outline: none; transition: border-color 0.18s, box-shadow 0.18s;
}
.form-field:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(108,99,255,0.12); }
.form-field::placeholder { color: var(--dim); }
textarea.form-field { resize: vertical; width: 100%; min-height: 90px; }

.review-list { display: flex; flex-direction: column; gap: 16px; }
.review {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 22px 24px;
  transition: border-color 0.18s;
}
.review:hover { border-color: var(--border2); }
.review-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.review-handle { font-size: 0.85rem; font-weight: 700; color: var(--white); }
.review-date { font-size: 0.72rem; color: var(--dim); }
.review-body { font-size: 0.85rem; color: var(--muted); line-height: 1.7; margin-top: 8px; }
.no-reviews { color: var(--dim); font-size: 0.875rem; padding: 16px 0; }

/* ── CHECKOUT ─────────────────────────────────────────────────── */
.checkout-wrap { max-width: 620px; margin: 60px auto; padding: 0 24px 80px; }
.checkout-wrap h1 { font-size: 1.5rem; font-weight: 900; color: var(--white); margin-bottom: 4px; letter-spacing: -0.02em; }
.checkout-sub { color: var(--muted); font-size: 0.85rem; margin-bottom: 32px; }

.checkout-box {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 34px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.checkout-box label {
  display: block; font-size: 0.72rem; font-weight: 700;
  color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 7px;
}
.mono-box {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 13px 16px;
  font-family: 'Courier New', monospace; font-size: 0.8rem; color: var(--text);
  word-break: break-all; margin-bottom: 18px; cursor: pointer;
  transition: border-color 0.18s, box-shadow 0.18s;
}
.mono-box:hover { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(108,99,255,0.1); }
.amount-big {
  font-size: 2.2rem; font-weight: 900; color: var(--white);
  text-align: center; padding: 22px;
  background: var(--bg3); border-radius: 10px; margin: 16px 0;
  letter-spacing: -0.03em;
  border: 1px solid var(--border2);
  text-shadow: 0 0 20px rgba(255,255,255,0.08);
}
.text-input {
  width: 100%; background: var(--bg3); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); padding: 12px 14px;
  font-family: Arial, sans-serif; font-size: 0.875rem;
  outline: none; margin-bottom: 14px;
  transition: border-color 0.18s, box-shadow 0.18s;
}
.text-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(108,99,255,0.12); }
.text-input::placeholder { color: var(--dim); }

.alert {
  padding: 13px 16px; border-radius: 8px; border: 1px solid;
  font-size: 0.83rem; margin-top: 14px; display: none; line-height: 1.6;
}
.alert-pending { border-color: var(--orange); color: var(--orange); background: rgba(245,158,11,0.07); }
.alert-ok      { border-color: var(--green);  color: var(--green);  background: rgba(62,207,142,0.07); }
.alert-err     { border-color: var(--red);    color: var(--red);    background: rgba(224,82,82,0.07); }

/* ── INFO BOXES ───────────────────────────────────────────────── */
.info-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px;
}
.info-box {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 28px 24px;
  transition: border-color 0.18s, transform 0.18s;
}
.info-box:hover { border-color: var(--border2); transform: translateY(-2px); }
.info-box .i-icon { font-size: 1.7rem; margin-bottom: 14px; }
.info-box h3 { font-size: 0.92rem; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.info-box p { font-size: 0.81rem; color: var(--muted); line-height: 1.7; }

/* ── DIVIDER ──────────────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--border); margin: 0; }

/* ── KEYWORD TAGS (hidden, for crawlers) ──────────────────────── */
.seo-tags { display: none; }

/* ── FOOTER ───────────────────────────────────────────────────── */
footer {
  text-align: center; padding: 40px 24px;
  border-top: 1px solid var(--border);
  color: var(--dim); font-size: 0.78rem;
  background: var(--bg2);
}
footer a { color: var(--muted); transition: color 0.18s; }
footer a:hover { color: var(--text); }
.footer-tagline {
  margin-top: 10px; font-size: 0.72rem;
  color: var(--dim); letter-spacing: 0.04em;
}

/* ── RESPONSIVE ───────────────────────────────────────────────── */
@media(max-width: 900px) {
  .product-layout { grid-template-columns: 1fr; }
  .product-photo { min-height: 260px; }
  .product-info { border-left: none; border-top: 1px solid var(--border); }
}
@media(max-width: 640px) {
  nav { padding: 0 20px; }
  .section { padding: 52px 20px; }
  .stats { flex-wrap: wrap; }
  .stat { min-width: 50%; }
  .hero { padding: 72px 20px 64px; }
  .product-info { padding: 28px 22px; }
  .checkout-wrap { padding: 0 16px 60px; }
  .checkout-box { padding: 24px 20px; }
}