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

:root {
  --purple: #8b5cf6;
  --purple-dark: #7c3aed;
  --purple-glow: rgba(139, 92, 246, .35);
  --cyan: #06b6d4;
  --bg: #07070e;
  --bg2: #0d0d1a;
  --card: rgba(255,255,255,.04);
  --card-border: rgba(255,255,255,.08);
  --text: #e4e4e7;
  --text-dim: #a1a1aa;
  --radius: 16px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ─── Z-INDEX ─── */
section, footer, .nav { position: relative; z-index: 1; }

/* ─── NAV ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(20px);
  background: rgba(7,7,14,.75);
  border-bottom: 1px solid var(--card-border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
}
.logo {
  display: flex; align-items: center; gap: 8px;
  font-size: 1.5rem; font-weight: 800;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.logo-img {
  height: 32px; width: auto;
}
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { font-size: .9rem; color: var(--text-dim); transition: color .2s; }
.nav-links a:hover { color: #fff; }
.nav-cta {
  padding: 8px 20px; border-radius: 8px; font-weight: 600; font-size: .9rem;
  background: var(--purple); color: #fff; transition: background .2s, transform .15s;
  -webkit-text-fill-color: #fff;
}
.nav-cta:hover { background: var(--purple-dark); transform: translateY(-1px); }

.burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; }
.burger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: .3s; }

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center; text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(139,92,246,.15), transparent),
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(6,182,212,.08), transparent);
}
.hero-content { max-width: 820px; }
.hero-badge {
  display: inline-block;
  padding: 6px 16px; border-radius: 100px;
  background: rgba(139,92,246,.12); border: 1px solid rgba(139,92,246,.25);
  font-size: .8rem; color: var(--purple); font-weight: 600;
  margin-bottom: 28px; letter-spacing: .5px;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 900; line-height: 1.1; margin-bottom: 24px;
}
.hero h1 span {
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p {
  font-size: 1.15rem; color: var(--text-dim);
  max-width: 620px; margin: 0 auto 40px;
}
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  padding: 14px 36px; border-radius: 12px; font-weight: 700; font-size: 1rem;
  background: linear-gradient(135deg, var(--purple), var(--purple-dark));
  color: #fff; transition: transform .15s, box-shadow .2s; border: none; cursor: pointer;
  box-shadow: 0 4px 24px var(--purple-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px var(--purple-glow); }
.btn-secondary {
  padding: 14px 36px; border-radius: 12px; font-weight: 700; font-size: 1rem;
  background: var(--card); border: 1px solid var(--card-border); color: #fff;
  transition: background .2s, transform .15s; cursor: pointer;
}
.btn-secondary:hover { background: rgba(255,255,255,.08); transform: translateY(-2px); }

.hero-stats {
  display: flex; gap: 48px; justify-content: center; margin-top: 64px; flex-wrap: wrap;
}
.hero-stat-num { font-size: 2rem; font-weight: 800; color: #fff; }
.hero-stat-num span {
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-stat-label { font-size: .85rem; color: var(--text-dim); }

/* ─── SECTIONS ─── */
section { padding: 100px 24px; position: relative; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-badge {
  display: inline-block;
  padding: 6px 16px; border-radius: 100px;
  background: rgba(139,92,246,.1); border: 1px solid rgba(139,92,246,.2);
  font-size: .8rem; color: var(--purple); font-weight: 600;
  margin-bottom: 16px; letter-spacing: .5px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800; margin-bottom: 16px; line-height: 1.2;
}
.section-sub {
  font-size: 1.05rem; color: var(--text-dim); max-width: 640px; margin-bottom: 56px;
}
.centered { text-align: center; }
.centered .section-sub { margin-left: auto; margin-right: auto; }

/* ─── FEATURES GRID ─── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: transform .2s, border-color .2s;
}
.feature-card:hover { transform: translateY(-4px); border-color: rgba(139,92,246,.3); }
.feature-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(139,92,246,.15), rgba(6,182,212,.1));
}
.feature-icon svg { flex-shrink: 0; }
.feature-header { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.feature-card h3 { font-size: 1.15rem; font-weight: 700; margin: 0; }
.feature-card p { font-size: .92rem; color: var(--text-dim); line-height: 1.6; }

/* ─── ABOUT / WHY ─── */
.about-section { background: var(--bg2); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-visual {
  aspect-ratio: 1; border-radius: var(--radius);
  background:
    radial-gradient(circle at 30% 40%, rgba(139,92,246,.2), transparent 60%),
    radial-gradient(circle at 70% 60%, rgba(6,182,212,.15), transparent 50%),
    var(--card);
  border: 1px solid var(--card-border);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.about-visual-inner { font-size: 5rem; opacity: .8; }
.about-visual::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 40%, var(--bg2) 100%);
}
.about-items { display: flex; flex-direction: column; gap: 28px; }
.about-item-header { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.about-item h3 { font-size: 1.1rem; font-weight: 700; margin: 0; }
.about-item p { font-size: .92rem; color: var(--text-dim); padding-left: 44px; }
.about-item-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 8px; font-weight: 800; font-size: .85rem;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  color: #fff; flex-shrink: 0;
}

/* ─── PROTOCOLS ─── */
.protocols-row {
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; margin-top: 40px;
}
.protocol-tag {
  padding: 12px 28px; border-radius: 100px;
  background: var(--card); border: 1px solid var(--card-border);
  font-weight: 700; font-size: .95rem;
  transition: border-color .2s;
}
.protocol-tag:hover { border-color: var(--purple); }

/* ─── PLATFORMS ─── */
.platforms-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px; margin-top: 48px;
}
.platform-card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 32px 20px; text-align: center;
  transition: transform .2s, border-color .2s;
}
.platform-card:hover { transform: translateY(-4px); border-color: rgba(139,92,246,.3); }
.platform-icon { width: 40px; height: 40px; margin: 0 auto 12px; color: var(--purple); display: flex; align-items: center; justify-content: center; }
.platform-icon svg { width: 100%; height: 100%; }
.platform-card h4 { font-size: .95rem; font-weight: 700; }
.platform-card p { font-size: .8rem; color: var(--text-dim); margin-top: 4px; }

/* ─── PRICING ─── */
.pricing-section { background: var(--bg2); }
.pricing-grid {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 16px; margin-top: 48px;
}
.pricing-card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 32px 20px;
  display: flex; flex-direction: column;
  transition: transform .2s, border-color .2s;
}
.pricing-card.featured {
  border-color: var(--purple);
  background: linear-gradient(180deg, rgba(139,92,246,.08) 0%, var(--card) 100%);
}
.pricing-card:hover { transform: translateY(-4px); }
.pricing-label {
  font-size: .8rem; color: var(--purple); font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px;
}
.pricing-card h3 { font-size: 1.15rem; font-weight: 800; margin-bottom: 8px; }
.pricing-price { font-size: 2rem; font-weight: 900; margin-bottom: 4px; }
.pricing-price span { font-size: .9rem; font-weight: 500; color: var(--text-dim); }
.pricing-desc { font-size: .85rem; color: var(--text-dim); margin-bottom: 24px; flex: 1; }
.pricing-features { list-style: none; margin-bottom: 28px; }
.pricing-features li {
  padding: 6px 0; font-size: .85rem; color: var(--text-dim); white-space: nowrap;
  display: flex; align-items: flex-start; gap: 10px;
}
.pricing-features li::before {
  content: '✓'; color: var(--purple); font-weight: 700; flex-shrink: 0;
}
.pricing-btn {
  display: block; text-align: center; padding: 14px; border-radius: 12px;
  font-weight: 700; font-size: .95rem;
  background: linear-gradient(135deg, var(--purple), var(--purple-dark));
  color: #fff; transition: transform .15s, box-shadow .2s;
  box-shadow: 0 4px 20px var(--purple-glow);
}
.pricing-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 28px var(--purple-glow); }
.pricing-btn-outline {
  display: block; text-align: center; padding: 14px; border-radius: 12px;
  font-weight: 700; font-size: .95rem;
  background: transparent; border: 1px solid var(--card-border); color: #fff;
  transition: background .2s, border-color .2s;
}
.pricing-btn-outline:hover { border-color: var(--purple); background: rgba(139,92,246,.06); }

/* ─── FAQ ─── */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--card-border); }
.faq-q {
  width: 100%; background: none; border: none; color: #fff;
  padding: 24px 0; font-size: 1.05rem; font-weight: 600;
  text-align: left; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  font-family: inherit;
}
.faq-q::after {
  content: '+'; font-size: 1.4rem; color: var(--purple);
  transition: transform .3s;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .35s ease;
  font-size: .92rem; color: var(--text-dim); line-height: 1.7;
}
.faq-item.open .faq-a { max-height: 200px; padding-bottom: 24px; }

/* ─── CTA ─── */
.cta-section {
  text-align: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% 100%, rgba(139,92,246,.12), transparent),
    var(--bg);
}
.cta-section .section-title { margin-bottom: 20px; }
.cta-section p { font-size: 1.1rem; color: var(--text-dim); max-width: 560px; margin: 0 auto 40px; }

/* ─── FOOTER ─── */
footer {
  padding: 48px 24px 32px;
  border-top: 1px solid var(--card-border);
  background: var(--bg2);
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer-copy { font-size: .85rem; color: var(--text-dim); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: .85rem; color: var(--text-dim); transition: color .2s; }
.footer-links a:hover { color: #fff; }
.footer-social { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.footer-social-label { font-size: .8rem; color: var(--text-dim); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.footer-social-link { display: flex; align-items: center; gap: 8px; color: var(--text-dim); font-size: .85rem; transition: color .2s; text-decoration: none; }
.footer-social-link:hover { color: #fff; }
.footer-social-link svg { width: 28px; height: 28px; flex-shrink: 0; }

/* ─── MOBILE ─── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(7,7,14,.95); backdrop-filter: blur(20px);
    padding: 24px; gap: 20px; border-bottom: 1px solid var(--card-border);
  }
  .burger { display: flex; }
  .hero-stats { gap: 24px; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-visual { display: none; }
  .about-item p { padding-left: 0; }
  .features-grid { grid-template-columns: 1fr; }
  .platforms-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .pricing-grid { grid-template-columns: 1fr; }
}

/* ─── BG EFFECTS ─── */
.bg-effects {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none; overflow: hidden;
}
.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .25;
  will-change: transform;
}
.bg-orb-1 {
  width: 600px; height: 600px;
  background: var(--purple);
  top: -10%; left: -5%;
  animation: orb-float-1 18s ease-in-out infinite;
}
.bg-orb-2 {
  width: 500px; height: 500px;
  background: var(--cyan);
  top: 40%; right: -10%;
  animation: orb-float-2 22s ease-in-out infinite;
}
.bg-orb-3 {
  width: 400px; height: 400px;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  bottom: -5%; left: 30%;
  animation: orb-float-3 20s ease-in-out infinite;
}
.bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 70% 50% at 50% 30%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 50% at 50% 30%, black 20%, transparent 70%);
}
@keyframes orb-float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(80px, 60px) scale(1.1); }
  66% { transform: translate(-40px, 30px) scale(.95); }
}
@keyframes orb-float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-70px, -50px) scale(.9); }
  66% { transform: translate(50px, 40px) scale(1.08); }
}
@keyframes orb-float-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(60px, -40px) scale(1.05); }
  66% { transform: translate(-50px, -20px) scale(.92); }
}

/* ─── ANIMATIONS ─── */
.fade-up {
  opacity: 0; transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }