:root {
  --bg: #060810;
  --bg-2: #0a0d18;
  --bg-3: #121724;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.06);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --text: #f3f4f8;
  --text-2: #d4d8e0;
  --muted: #8a93a3;
  --muted-2: #6a7283;
  --accent: #5b8dff;
  --accent-2: #7fa6ff;
  --accent-soft: rgba(91, 141, 255, 0.14);
  --good: #34c97b;
  --mid: #f0a93b;
  --bad: #ff5f5f;
  --hairline: rgba(255, 255, 255, 0.07);
  --hairline-strong: rgba(255, 255, 255, 0.13);
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", "Helvetica Neue", Arial, sans-serif;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--hairline);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35), 0 0 0 1px var(--hairline);
  --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--hairline);
  --spring: cubic-bezier(0.34, 1.32, 0.64, 1);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

body {
  background:
    radial-gradient(80% 60% at 50% -10%, rgba(91, 141, 255, 0.18) 0%, transparent 50%),
    radial-gradient(60% 50% at 90% 30%, rgba(150, 90, 255, 0.12) 0%, transparent 55%),
    radial-gradient(60% 50% at 10% 50%, rgba(60, 200, 255, 0.08) 0%, transparent 55%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  letter-spacing: -0.01em;
}

a { color: var(--accent-2); text-decoration: none; transition: color .15s var(--ease); }
a:hover { color: #fff; }
h1, h2, h3 {
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0;
}
p { margin: 0; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 28px; }

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px) scale(0.985);
  transition:
    opacity 0.7s var(--ease),
    transform 0.8s var(--spring);
}
.reveal.in {
  opacity: 1;
  transform: none;
}
.reveal-section .reveal:nth-child(1) { transition-delay: 0s; }
.reveal-section .reveal:nth-child(2) { transition-delay: 0.06s; }
.reveal-section .reveal:nth-child(3) { transition-delay: 0.12s; }
.reveal-section .reveal:nth-child(4) { transition-delay: 0.18s; }
.grid3 .reveal:nth-child(1) { transition-delay: 0.04s; }
.grid3 .reveal:nth-child(2) { transition-delay: 0.14s; }
.grid3 .reveal:nth-child(3) { transition-delay: 0.24s; }
.for-grid .reveal:nth-child(1) { transition-delay: 0s; }
.for-grid .reveal:nth-child(2) { transition-delay: 0.08s; }
.for-grid .reveal:nth-child(3) { transition-delay: 0.16s; }
.for-grid .reveal:nth-child(4) { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* macOS-style menu bar / nav */
.nav {
  position: sticky;
  top: 14px;
  z-index: 50;
  margin: 14px auto 0;
  padding: 0 14px;
  max-width: 1080px;
  width: calc(100% - 28px);
  background: rgba(15, 18, 28, 0.55);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border: 1px solid var(--hairline);
  border-radius: 18px;
  box-shadow:
    0 6px 24px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}
.nav.scrolled {
  background: rgba(12, 15, 24, 0.75);
  box-shadow:
    0 12px 36px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 58px;
  padding: 0;
  max-width: none;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.02em;
  color: var(--text);
}
.logo-mark {
  display: block;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  filter: drop-shadow(0 4px 12px rgba(91, 141, 255, 0.4));
}
.logo-text {
  display: inline-flex;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}
.logo-text .lt-core {
  color: #d4d8e0;
}
.logo-text .lt-relay {
  color: #fff;
  text-shadow:
    0 0 12px rgba(91, 141, 255, 0.7),
    0 0 24px rgba(91, 141, 255, 0.35);
}
.nav nav {
  display: flex;
  gap: 4px;
  align-items: center;
}
.nav nav a {
  color: var(--text-2);
  font-size: 13.5px;
  font-weight: 500;
  padding: 7px 12px;
  border-radius: 8px;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}
.nav nav a:hover {
  color: #fff;
  background: var(--surface);
}
.nav nav a.login {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
  border: 1px solid var(--hairline-strong);
  color: var(--text);
  font-weight: 600;
  padding: 7px 14px;
  margin-left: 6px;
}
.nav nav a.login:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.06));
}

/* Hero */
.hero {
  position: relative;
  padding: 96px 0 88px;
  overflow: visible;
  text-align: center;
}
.hero .wrap {
  position: relative;
  z-index: 1;
  max-width: 820px;
}
.hero-logo {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  margin: 0 auto 28px;
  display: block;
  filter: drop-shadow(0 16px 40px rgba(91, 141, 255, 0.55));
}
.hero .lead {
  margin-left: auto;
  margin-right: auto;
}
.hero-cta {
  justify-content: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: 0.04em;
  padding: 6px 12px;
  border-radius: 99px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  backdrop-filter: blur(10px);
  margin-bottom: 24px;
}
.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 10px var(--good);
}

.hero h1 {
  font-size: 56px;
  margin-bottom: 22px;
  background: linear-gradient(180deg, #fff 0%, #b8c0d0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.035em;
  line-height: 1.05;
}
.hero .lead {
  font-size: 17px;
  color: var(--muted);
  max-width: 540px;
  margin-bottom: 32px;
  line-height: 1.55;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(180deg, #6a9aff 0%, #4e7eef 100%);
  color: #fff;
  padding: 13px 22px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14.5px;
  transition: transform 0.2s var(--spring), box-shadow 0.2s var(--ease), filter 0.15s var(--ease);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.25) inset,
    0 -1px 0 rgba(0, 0, 0, 0.2) inset,
    0 8px 24px rgba(91, 141, 255, 0.45),
    0 0 0 1px rgba(0, 0, 0, 0.1);
}
.cta:hover {
  color: #fff;
  transform: translateY(-1px);
  filter: brightness(1.05);
}
.cta:active {
  transform: translateY(0) scale(0.98);
}
.cta svg { transition: transform 0.25s var(--spring); }
.cta:hover svg { transform: translateX(3px); }

.cta-ghost {
  display: inline-flex;
  align-items: center;
  padding: 13px 18px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--hairline-strong);
  color: var(--text);
  font-weight: 500;
  font-size: 14px;
  backdrop-filter: blur(8px);
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease);
}
.cta-ghost:hover {
  color: #fff;
  background: var(--surface-2);
  border-color: rgba(255, 255, 255, 0.2);
}

.cta-full {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}
.hero .micro {
  margin-top: 18px;
  color: var(--muted-2);
  font-size: 13px;
}

/* Sections */
section { padding: 88px 0; }
section h2 {
  font-size: 36px;
  margin-bottom: 14px;
  letter-spacing: -0.03em;
}
section .section-sub {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 40px;
  max-width: 640px;
}
section h2 + .grid3,
section h2 + .for-grid,
section h2 + .feats,
section h2 + .lim-block,
section h2 + .card,
section h2 + details {
  margin-top: 36px;
}

/* Cards (Reasons) */
.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card-feat {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid var(--hairline);
  padding: 28px;
  border-radius: var(--radius);
  position: relative;
  backdrop-filter: blur(20px);
  transition:
    transform 0.3s var(--spring),
    border-color 0.2s var(--ease),
    background 0.25s var(--ease);
}
.card-feat:hover {
  border-color: var(--hairline-strong);
  transform: translateY(-3px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.03) 100%);
}
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(91, 141, 255, 0.25), rgba(91, 141, 255, 0.1));
  border: 1px solid rgba(91, 141, 255, 0.3);
  color: var(--accent-2);
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(91, 141, 255, 0.15);
}
.card-feat h3 {
  font-size: 17px;
  margin-bottom: 8px;
  color: var(--text);
  letter-spacing: -0.02em;
}
.card-feat p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

/* For-grid */
.for-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.for-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  padding: 24px 26px;
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  transition: transform 0.25s var(--spring), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.for-card:hover {
  background: var(--surface-2);
  border-color: var(--hairline-strong);
  transform: translateY(-2px);
}
.for-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--text);
  letter-spacing: -0.02em;
}
.for-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

/* Inside (features list) */
.inside .feats {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 36px;
}
.inside .feats li {
  position: relative;
  padding: 14px 18px 14px 46px;
  color: var(--text);
  font-size: 14.5px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  transition: border-color 0.15s var(--ease), background 0.15s var(--ease);
}
.inside .feats li:hover {
  background: var(--surface-2);
  border-color: var(--hairline-strong);
}
.inside .feats li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(91, 141, 255, 0.35), rgba(91, 141, 255, 0.15));
  border: 1px solid rgba(91, 141, 255, 0.4);
}
.inside .feats li::after {
  content: "";
  position: absolute;
  left: 22px;
  top: calc(50% - 3px);
  width: 4px;
  height: 7px;
  border: solid var(--accent-2);
  border-width: 0 1.6px 1.6px 0;
  transform: rotate(45deg);
}

/* Limits */
.lim-block {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin-bottom: 12px;
  backdrop-filter: blur(20px);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.lim-block:hover {
  background: var(--surface-2);
  border-color: var(--hairline-strong);
}
.lim-block h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  margin-bottom: 8px;
  letter-spacing: -0.015em;
}
.lim-block p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.55;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-good { background: var(--good); box-shadow: 0 0 12px rgba(52, 201, 123, 0.7); }
.dot-mid { background: var(--mid); box-shadow: 0 0 12px rgba(240, 169, 59, 0.7); }
.dot-bad { background: var(--bad); box-shadow: 0 0 12px rgba(255, 95, 95, 0.7); }

/* Price */
.price .card {
  position: relative;
  background: linear-gradient(180deg, rgba(91, 141, 255, 0.08) 0%, rgba(91, 141, 255, 0.02) 100%);
  border: 1px solid rgba(91, 141, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 44px;
  max-width: 560px;
  backdrop-filter: blur(24px);
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.price .card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: radial-gradient(120% 100% at 50% 0%, rgba(91, 141, 255, 0.18), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.price .card > * { position: relative; z-index: 1; }
.amount {
  font-size: 60px;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 8px;
  background: linear-gradient(180deg, #fff 0%, #b8c0d0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.amount span {
  font-size: 18px;
  color: var(--muted);
  font-weight: 500;
  -webkit-text-fill-color: var(--muted);
}
.price .price-sub {
  color: var(--muted);
  margin-bottom: 24px;
  font-size: 15px;
}
.check-list {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}
.check-list li {
  position: relative;
  padding-left: 30px;
  color: var(--text-2);
  font-size: 14.5px;
  margin-bottom: 12px;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(52, 201, 123, 0.25), rgba(52, 201, 123, 0.1));
  border: 1px solid rgba(52, 201, 123, 0.5);
}
.check-list li::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 9px;
  width: 5px;
  height: 8px;
  border: solid var(--good);
  border-width: 0 1.8px 1.8px 0;
  transform: rotate(45deg);
}
.center { text-align: center; }
.micro.center {
  margin-top: 18px;
  font-size: 12.5px;
  color: var(--muted-2);
}

/* FAQ */
.faq details {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  margin-bottom: 8px;
  backdrop-filter: blur(20px);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
  overflow: hidden;
}
.faq details:hover {
  background: var(--surface-2);
  border-color: var(--hairline-strong);
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  outline: none;
  font-size: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  letter-spacing: -0.015em;
  color: var(--text);
  padding: 18px 22px;
  user-select: none;
  -webkit-user-select: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.3s var(--spring);
  margin-left: 14px;
  flex-shrink: 0;
}
.faq details[open] summary::after {
  transform: rotate(-135deg);
}
.faq details p {
  color: var(--muted);
  margin: 0;
  padding: 0 22px 20px;
  font-size: 14.5px;
  line-height: 1.55;
}

/* Final CTA */
.cta-final {
  text-align: center;
  position: relative;
}
.cta-final::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--hairline-strong), transparent);
}
.cta-final h2 {
  font-size: 34px;
  margin-bottom: 14px;
}
.cta-final p {
  color: var(--muted);
  margin-bottom: 28px;
  font-size: 16px;
}

/* Cookie bar */
#cookie-bar {
  position: fixed;
  left: 16px; right: 16px; bottom: 16px;
  z-index: 100;
  background: rgba(15, 18, 28, 0.92);
  border: 1px solid var(--hairline-strong);
  border-radius: 14px;
  backdrop-filter: blur(20px);
  box-shadow: 0 16px 40px rgba(0,0,0,.45);
}
#cookie-bar .wrap {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 16px;
}
#cookie-bar p { color: var(--muted); font-size: 13px; margin: 0; flex: 1; line-height: 1.45; }
#cookie-bar a { color: var(--accent-2); }
#cookie-bar button {
  background: var(--accent); color: #fff; border: none;
  padding: 8px 18px; border-radius: 8px; font-weight: 600;
  font-size: 13px; cursor: pointer; font-family: inherit;
}
#cookie-bar button:hover { background: var(--accent-2); }
@media (max-width: 560px) {
  #cookie-bar .wrap { flex-direction: column; align-items: stretch; gap: 10px; }
  #cookie-bar button { width: 100%; }
}

/* Payment methods row */
.pay-row {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--hairline);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}
.pay-methods { display: inline-flex; gap: 10px; flex-wrap: wrap; }
.pay-card {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-2);
  font-family: "SF Mono", Menlo, monospace;
  min-width: 64px;
}
.pay-visa { color: #1A1F71; background: linear-gradient(180deg, #fff, #f0f3ff); border-color: rgba(26,31,113,.25); }
.pay-mc   { color: #EB001B; background: linear-gradient(180deg, #fff, #fff2f3); border-color: rgba(235,0,27,.25); }
.pay-mir  { color: #0F754E; background: linear-gradient(180deg, #fff, #effaf2); border-color: rgba(15,117,78,.25); }
.pay-sbp  { color: #5B57A6; background: linear-gradient(180deg, #fff, #f3f2ff); border-color: rgba(91,87,166,.25); }
.pay-acquirer { font-size: 12.5px; color: var(--muted); line-height: 1.5; max-width: 480px; }
.pay-acquirer a { color: var(--accent-2); }
@media (max-width: 720px) {
  .pay-row { flex-direction: column; align-items: flex-start; }
}

/* Footer */
footer {
  border-top: 1px solid var(--hairline);
  padding: 44px 0 64px;
  color: var(--muted);
  font-size: 13px;
}
footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
footer p { margin: 4px 0; }
footer a { color: var(--muted); }
footer a:hover { color: var(--text); }
footer strong {
  color: var(--text);
  font-size: 15px;
  display: block;
  margin-bottom: 8px;
  letter-spacing: -0.015em;
}

/* Responsive */
@media (max-width: 900px) {
  .hero { padding: 60px 0 48px; }
  .hero h1 { font-size: 40px; }
  .hero-logo { width: 80px; height: 80px; margin-bottom: 22px; }
  .grid3 { grid-template-columns: 1fr; }
  .for-grid { grid-template-columns: 1fr; }
  .inside .feats { grid-template-columns: 1fr; gap: 10px; }
  section { padding: 64px 0; }
  section h2 { font-size: 28px; }
  .price .card { padding: 28px 22px; }
  .amount { font-size: 44px; }
  .nav { top: 8px; }
}

@media (max-width: 560px) {
  .nav nav a:not(.login) { display: none; }
  .hero h1 { font-size: 30px; }
  .cta, .cta-ghost { width: 100%; justify-content: center; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .wrap { padding: 0 20px; }
}
