*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #0a0a0f;
  color: #cbd5e1;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* Header */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(2, 6, 23, 0.9); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding: 12px 0;
}
.header-inner {
  max-width: 1600px; margin: 0 auto; padding: 0 40px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo img {
  height: 30px;
  width: auto;
  border-radius: 6px;
  object-fit: contain;
}
.nav { display: flex; align-items: center; gap: 32px; }
.nav a {
  font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px;
  color: #94a3b8; transition: color 0.2s;
}
.nav a:hover { color: #22d3ee; }
.header-buttons { display: flex; gap: 8px; }
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 20px; border-radius: 999px; font-size: 13px; font-weight: 700;
  border: 1px solid rgba(255,255,255,0.2); background: transparent; color: #fff;
  cursor: pointer; transition: background 0.2s;
}
.btn:hover { background: rgba(255,255,255,0.1); }
.btn-primary {
  background: linear-gradient(90deg, #c026d3, #2563eb);
  border: none;
}
.btn-primary:hover { box-shadow: 0 0 20px rgba(192,38,211,0.5); }
.btn-white {
  background: #fff; color: #0a0a0f; border: none;
  padding: 14px 32px; font-size: 16px;
}
.btn-white:hover { background: #22d3ee; }
.btn-outline {
  padding: 14px 32px; font-size: 16px;
}

/* Hero */
.hero {
  padding: 140px 20px 60px; text-align: center;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 800px; height: 400px; background: rgba(192,38,211,0.15);
  filter: blur(120px); border-radius: 50%; z-index: -1;
}
.hero-badge {
  display: inline-block; padding: 6px 16px; border-radius: 999px;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  color: #22d3ee; margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(32px, 6vw, 64px); font-weight: 900; color: #fff;
  line-height: 1.1; letter-spacing: -2px; margin-bottom: 24px;
}
.hero h1 span {
  background: linear-gradient(90deg, #e879f9, #60a5fa, #22d3ee);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p { max-width: 900px; margin: 0 auto 40px; color: #94a3b8; font-size: 17px; }
.hero-buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-bottom: 48px; }

/* Brand Showcase */
.brand-showcase {
  max-width: 1200px; margin: 0 auto 32px;
}
.brand-grid { display: flex; flex-direction: column; gap: 16px; }
.brand-card {
  display: grid;
  grid-template-columns: 260px 1fr 160px;
  align-items: center;
  gap: 24px;
  padding: 22px 28px;
  border-radius: 16px;
  background: rgba(15,23,42,0.6);
  border: 1px solid rgba(255,255,255,0.08);
  text-decoration: none;
  transition: border-color 0.3s, box-shadow 0.3s;
  position: relative;
}
.brand-card:hover {
  border-color: rgba(192,38,211,0.4);
  box-shadow: 0 0 24px rgba(192,38,211,0.1);
}
.brand-card.best {
  border-color: rgba(192,38,211,0.5);
  background: linear-gradient(135deg, rgba(192,38,211,0.08), rgba(37,99,235,0.08));
}
.brand-badge {
  position: absolute; top: -10px; left: 20px;
  padding: 3px 12px; border-radius: 6px;
  background: linear-gradient(90deg, #c026d3, #2563eb);
  font-size: 11px; font-weight: 700; color: #fff;
  text-transform: uppercase; letter-spacing: 1px;
}
.brand-left {
  display: flex; align-items: center; gap: 14px; width: 260px;
}
.brand-num {
  font-size: 22px; font-weight: 900; color: #334155;
  min-width: 30px; text-align: center; flex-shrink: 0;
}
.brand-card.best .brand-num { color: #c026d3; }
.brand-logo {
  height: 32px; width: auto; flex-shrink: 0; max-width: 120px;
}
.brand-logo-png {
  height: 32px; width: auto; flex-shrink: 0; max-width: 120px;
}
.brand-coins {
  display: flex; gap: 4px; align-items: center; margin-left: auto; flex-shrink: 0;
}
.brand-coins img {
  width: 22px; height: 22px; border-radius: 50%;
}
.brand-center { display: flex; flex-direction: column; gap: 8px; }
.brand-bonus {
  font-size: 15px; font-weight: 600; color: #e2e8f0; line-height: 1.4;
}
.brand-features {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.brand-feat {
  font-size: 11px; color: #94a3b8; padding: 4px 10px;
  border-radius: 6px; background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.06);
  white-space: nowrap;
}
.brand-feat b { color: #22d3ee; font-weight: 600; }
.brand-cta {
  padding: 12px 24px; border-radius: 10px;
  font-size: 13px; font-weight: 700; white-space: nowrap;
  background: linear-gradient(90deg, #c026d3, #2563eb);
  color: #fff; text-decoration: none;
  transition: box-shadow 0.3s, transform 0.2s;
  box-shadow: 0 0 16px rgba(192,38,211,0.3);
  text-align: center;
  justify-self: end;
}
.brand-cta:hover {
  box-shadow: 0 0 28px rgba(192,38,211,0.5);
  transform: translateY(-1px);
}
@media (max-width: 900px) {
  .brand-card {
    grid-template-columns: 200px 1fr auto;
    gap: 16px; padding: 18px 20px;
  }
  .brand-left { width: 200px; }
  .brand-bonus { font-size: 14px; }
}
@media (max-width: 768px) {
  .brand-card {
    grid-template-columns: 1fr;
    gap: 10px; padding: 16px 14px;
  }
  .brand-left {
    width: 100%; min-width: auto;
    justify-content: flex-start;
  }
  .brand-num { font-size: 18px; min-width: 24px; }
  .brand-logo, .brand-logo-png { height: 28px; }
  .brand-coins img { width: 20px; height: 20px; }
  .brand-bonus { font-size: 13px; }
  .brand-features { gap: 5px; }
  .brand-feat { font-size: 10px; padding: 3px 8px; }
  .brand-cta {
    text-align: center; justify-self: stretch;
    padding: 12px 20px; font-size: 14px;
    border-radius: 10px; width: 100%;
    display: block;
  }
  .brand-badge { font-size: 10px; top: -9px; left: 14px; padding: 2px 10px; }
  .brand-showcase { margin: 0 auto 20px; }
  .brand-grid { gap: 14px; }
}
@media (max-width: 520px) {
  .brand-features { display: none; }
  .brand-card { padding: 14px 12px; gap: 8px; }
  .brand-left { gap: 10px; }
  .brand-num { font-size: 16px; min-width: 22px; }
  .brand-logo, .brand-logo-png { height: 24px; max-width: 90px; }
  .brand-coins img { width: 18px; height: 18px; }
  .brand-bonus { font-size: 12px; }
  .brand-cta { padding: 11px 16px; font-size: 13px; }
}

/* Intro text after showcase */
.intro-text {
  max-width: 1200px; margin: 0 auto 32px; padding: 0 16px;
}
.intro-text p {
  font-size: 15px; line-height: 1.7; color: #94a3b8;
  text-align: center; margin: 0;
}
@media (max-width: 768px) {
  .intro-text p { font-size: 13px; line-height: 1.6; }
}

/* Key Takeaways */
.key-takeaways {
  max-width: 1200px; margin: 0 auto 32px; padding: 24px 32px;
  background: rgba(34,211,238,0.05); border: 1px solid rgba(34,211,238,0.2);
  border-radius: 16px; text-align: left;
}
.key-takeaways h4 { font-size: 16px; font-weight: 700; color: #22d3ee; margin-bottom: 12px; }
.key-takeaways ul { list-style: none; padding: 0; }
.key-takeaways li { padding: 6px 0; font-size: 14px; color: #cbd5e1; display: flex; align-items: baseline; gap: 8px; }
.key-takeaways li::before { content: '\2713'; color: #22d3ee; font-weight: 700; flex-shrink: 0; }

/* TOC */
.toc {
  max-width: 1200px; margin: 0 auto; padding: 32px;
  background: rgba(15,23,42,0.6); backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1); border-radius: 24px; text-align: left;
}
.toc h4 { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 20px; }
.toc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.toc-link {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px;
  border-radius: 12px; font-size: 14px; color: #94a3b8; transition: all 0.2s;
}
.toc-link:hover { background: rgba(255,255,255,0.05); color: #fff; }
.toc-icon {
  width: 32px; height: 32px; border-radius: 8px; background: #1e293b;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  color: #22d3ee; font-size: 16px;
}

/* Content */
.content { max-width: 1200px; margin: 0 auto; padding: 20px 40px 80px; }

.section { padding: 48px 0; scroll-margin-top: 80px; }
.section h2 {
  font-size: clamp(24px, 4vw, 32px); font-weight: 700; color: #fff;
  border-left: 4px solid #d946ef; padding-left: 16px; margin-bottom: 32px;
}
.section h3 {
  font-size: 20px; font-weight: 600; color: #67e8f9; margin: 32px 0 16px;
}
.section p { color: #cbd5e1; margin-bottom: 16px; }
.section ul, .section ol { padding-left: 24px; color: #94a3b8; margin-bottom: 16px; }
.section ul { list-style: disc; }
.section ol { list-style: decimal; }
.section ul li, .section ol li { margin-bottom: 8px; }

/* Photo */
.photo-block {
  margin: 24px auto; max-width: 900px; border-radius: 16px; overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
}
.photo-block img { width: 100%; height: auto; display: block; }

/* Info box */
.info-box {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 16px; border-radius: 12px;
  background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.2);
  margin: 16px 0;
}
.info-box .icon { flex-shrink: 0; font-size: 24px; }
.info-box p { font-size: 14px; margin: 0; }

/* Table */
.table-wrap {
  overflow-x: auto; margin: 24px 0; border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
}
table { width: 100%; border-collapse: collapse; }
thead { background: rgba(30,41,59,0.8); }
th {
  padding: 14px 16px; font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px; color: #e879f9;
  text-align: left; border-bottom: 1px solid rgba(255,255,255,0.1);
}
td {
  padding: 14px 16px; font-size: 14px; color: #cbd5e1;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
tr:hover { background: rgba(255,255,255,0.03); }

/* FAQ */
.faq-item {
  margin-bottom: 12px; border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px; overflow: hidden; background: rgba(15,23,42,0.4);
}
.faq-q {
  width: 100%; padding: 16px 20px; text-align: left;
  display: flex; justify-content: space-between; align-items: center;
  background: transparent; border: none; color: #fff; font-size: 15px;
  font-weight: 600; cursor: pointer; font-family: inherit;
}
.faq-q:hover { background: rgba(255,255,255,0.03); }
.faq-q .arrow { color: #22d3ee; transition: transform 0.2s; font-size: 18px; }
.faq-item.open .faq-q .arrow { transform: rotate(90deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 20px; font-size: 14px; color: #94a3b8; line-height: 1.7;
}
.faq-item.open .faq-a { max-height: 300px; padding: 0 20px 16px; }

/* Footer */
.footer {
  background: #020617; border-top: 1px solid rgba(255,255,255,0.1); padding: 48px 20px;
}
.footer-inner { max-width: 1600px; margin: 0 auto; }
.footer-top {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 24px; margin-bottom: 48px;
}
.footer-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 32px; margin-bottom: 48px; font-size: 14px;
}
.footer-grid h5 { color: #fff; font-weight: 700; margin-bottom: 12px; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: #64748b; transition: color 0.2s; }
.footer-grid a:hover { color: #22d3ee; }
.footer-bottom {
  padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center; font-size: 12px; color: #334155;
}

/* Responsive */
@media (max-width: 768px) {
  .nav { display: none; }
  .header-buttons .btn span { display: none; }
  .toc-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Sticky bottom bar */
.download-bottom {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
  background: rgba(2,6,23,0.95); backdrop-filter: blur(12px);
  border-top: 1px solid rgba(192,38,211,0.2); padding: 10px 0;
  transform: translateY(100%); transition: transform 0.3s ease;
}
.download-bottom.visible { transform: translateY(0); }
.download-bottom-inner {
  max-width: 1600px; margin: 0 auto; padding: 0 40px;
  display: flex; align-items: center; justify-content: center; gap: 16px;
}
.download-bottom-text { color: #94a3b8; font-size: 14px; }
.download-bottom-text strong { color: #fff; }
.btn-sticky {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 24px; border-radius: 999px; font-size: 13px; font-weight: 700;
  background: linear-gradient(90deg, #c026d3, #2563eb); color: #fff;
  border: none; cursor: pointer; text-decoration: none;
  box-shadow: 0 0 20px rgba(192,38,211,0.4); transition: all 0.3s;
}
.btn-sticky:hover { box-shadow: 0 0 30px rgba(192,38,211,0.6); }

/* Scroll to top */
.up-btn {
  position: fixed; bottom: 4rem; right: 1.5rem; z-index: 41;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(30,41,59,0.9); border: 1px solid rgba(255,255,255,0.1);
  color: #22d3ee; display: flex; align-items: center; justify-content: center;
  cursor: pointer; opacity: 0; transform: translateY(1rem);
  transition: opacity 0.3s, transform 0.3s, background 0.2s;
  backdrop-filter: blur(8px); font-size: 20px;
}
.up-btn.visible { opacity: 1; transform: translateY(0); }
.up-btn:hover { background: rgba(192,38,211,0.2); border-color: #d946ef; }

/* Header scroll effect */
.header.scrolled {
  background-color: rgba(2,6,23,0.95);
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
  border-bottom-color: rgba(192,38,211,0.1);
  padding: 8px 0;
}