/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --clr-bg:        #0d0f14;
  --clr-surface:   #161920;
  --clr-border:    #252a35;
  --clr-accent:    #4f8ef7;
  --clr-accent-2:  #7c5cfc;
  --clr-text:      #e4e8f0;
  --clr-muted:     #7a8299;
  --clr-success:   #34d399;
  --radius:        12px;
  --radius-sm:     8px;
  --max-w:         1120px;
  --transition:    0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

a { color: var(--clr-accent); text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: 0.8; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 10px 22px; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; cursor: pointer;
  transition: filter var(--transition), transform var(--transition);
  border: none; white-space: nowrap;
}
.btn:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-2)); color: #fff; }
.btn--ghost { background: transparent; color: var(--clr-text); border: 1.5px solid var(--clr-border); }
.btn--ghost:hover { border-color: var(--clr-accent); color: var(--clr-accent); filter: none; }
.btn--lg { padding: 14px 32px; font-size: 16px; border-radius: var(--radius); }
.btn--sm { padding: 8px 16px; font-size: 13px; border-radius: 8px; }
.btn--full { width: 100%; }

/* ── Cookie consent banner ────────────────────────────────────────────── */
.cookie-banner {
  position: fixed; bottom: 16px; left: 16px; right: 16px;
  z-index: 1000;
  background: rgba(20, 24, 36, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--clr-border);
  border-radius: 14px;
  padding: 18px 22px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  animation: cookie-slide-up 0.3s ease-out;
}
@keyframes cookie-slide-up {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-banner__inner {
  display: flex; align-items: center; gap: 20px;
  max-width: 1120px; margin: 0 auto;
}
.cookie-banner__text {
  flex: 1; font-size: 13px; color: var(--clr-text-2); line-height: 1.5;
}
.cookie-banner__text a { color: var(--clr-accent); }
.cookie-banner__actions {
  display: flex; gap: 10px; flex-shrink: 0;
}
@media (max-width: 720px) {
  .cookie-banner { bottom: 0; left: 0; right: 0; border-radius: 14px 14px 0 0; padding: 16px 18px; }
  .cookie-banner__inner { flex-direction: column; gap: 14px; align-items: stretch; }
  .cookie-banner__actions { justify-content: stretch; }
  .cookie-banner__actions .btn { flex: 1; }
}

/* ── Navigation ───────────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(13, 15, 20, 0.85); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
}
.nav__inner {
  display: flex; align-items: center; gap: 32px;
  padding-top: 14px; padding-bottom: 14px;
}
.nav__logo { font-size: 18px; font-weight: 700; color: var(--clr-text); }
.nav__links { display: flex; gap: 24px; margin-right: auto; }
.nav__links a { font-size: 14px; color: var(--clr-muted); font-weight: 500; }
.nav__links a:hover { color: var(--clr-text); opacity: 1; }
.nav__cta-group { display: flex; gap: 10px; align-items: center; margin-left: auto; }
.nav__cta-tg { padding: 8px 16px; font-size: 14px; }
.nav__cta { }

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero {
  padding: 96px 0 80px;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(79,142,247,0.12) 0%, transparent 70%);
}
.hero__inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
.badge {
  display: inline-block; background: rgba(79,142,247,0.15); color: var(--clr-accent);
  border: 1px solid rgba(79,142,247,0.3); border-radius: 20px;
  padding: 4px 14px; font-size: 13px; font-weight: 600; margin-bottom: 20px;
}
.hero__title { font-size: clamp(32px, 5vw, 56px); font-weight: 800; line-height: 1.15; margin-bottom: 20px; }
.hero__sub { font-size: 18px; color: var(--clr-muted); margin-bottom: 36px; max-width: 480px; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero__stats { display: flex; gap: 36px; }
.stat__num { display: block; font-size: 28px; font-weight: 800; color: var(--clr-accent); }
.stat__label { font-size: 13px; color: var(--clr-muted); }

/* Telegram mockup */
.mockup {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: 20px; padding: 24px; max-width: 340px; margin: auto;
  box-shadow: 0 24px 64px rgba(0,0,0,0.4);
}
.mockup__screen { display: flex; flex-direction: column; gap: 12px; }
.mockup__msg {
  border-radius: var(--radius-sm); padding: 12px 16px;
  font-size: 14px; line-height: 1.5; max-width: 85%;
}
.mockup__msg--bot {
  background: rgba(79,142,247,0.15); color: var(--clr-text);
  border: 1px solid rgba(79,142,247,0.2); align-self: flex-start;
}
.mockup__msg--user {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-2));
  color: #fff; align-self: flex-end;
}
.mockup__msg--small { font-size: 12px; opacity: 0.75; }

/* ── Section common ───────────────────────────────────────────────────────── */
.section-title { font-size: clamp(26px, 4vw, 40px); font-weight: 800; text-align: center; margin-bottom: 12px; }
.section-sub { text-align: center; color: var(--clr-muted); font-size: 17px; margin-bottom: 56px; }

/* ── Features ─────────────────────────────────────────────────────────────── */
.features { padding: 96px 0; }
.features__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px;
}
.feature-card {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: var(--radius); padding: 32px;
  transition: border-color var(--transition), transform var(--transition);
}
.feature-card:hover { border-color: var(--clr-accent); transform: translateY(-4px); }
.feature-card__icon { font-size: 36px; display: block; margin-bottom: 16px; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--clr-muted); font-size: 15px; }

/* ── How it works ─────────────────────────────────────────────────────────── */
.how { padding: 96px 0; background: var(--clr-surface); border-top: 1px solid var(--clr-border); border-bottom: 1px solid var(--clr-border); }
.steps { display: flex; flex-direction: column; gap: 32px; max-width: 640px; margin: 0 auto 40px; }
.step { display: flex; gap: 24px; align-items: flex-start; }
.step__num {
  flex-shrink: 0; width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-2));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800; color: #fff;
}
.step__body h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.step__body p { color: var(--clr-muted); font-size: 15px; }
/* Two-column how-it-works */
.how__ways {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  max-width: 960px; margin: 0 auto 48px;
}
.how__way-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 18px; font-weight: 700; margin-bottom: 28px;
  padding-bottom: 14px; border-bottom: 1px solid var(--clr-border);
}
.how__way-icon { font-size: 22px; }

.how__apps { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 0; }
.app-badge {
  background: rgba(79,142,247,0.1); border: 1px solid rgba(79,142,247,0.25);
  color: var(--clr-accent); border-radius: 20px; padding: 6px 16px; font-size: 13px; font-weight: 500;
  transition: background var(--transition), border-color var(--transition);
}
a.app-badge:hover { background: rgba(79,142,247,0.2); border-color: var(--clr-accent); opacity: 1; }

/* ── Downloads ────────────────────────────────────────────────────────────── */
.downloads { padding: 96px 0; }
.downloads__grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 24px; margin-top: 48px;
}
.download-card {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: 16px; padding: 28px; transition: border-color var(--transition);
}
.download-card:hover { border-color: rgba(79,142,247,0.35); }
.download-card__header { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 24px; }
.download-card__icon { font-size: 32px; line-height: 1; }
.download-card__header h3 { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.download-card__desc { color: var(--clr-text-2); font-size: 13px; line-height: 1.4; }
.download-card__links { display: flex; flex-direction: column; gap: 8px; }
.download-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: 10px;
  background: rgba(255,255,255,0.03); border: 1px solid var(--clr-border);
  transition: background var(--transition), border-color var(--transition);
  text-decoration: none; color: var(--clr-text);
}
.download-link:hover { background: rgba(79,142,247,0.08); border-color: rgba(79,142,247,0.3); }
.download-link__icon { font-size: 18px; flex-shrink: 0; }
.download-link__text { flex: 1; font-size: 14px; font-weight: 500; }
.download-link__badge {
  font-size: 11px; font-weight: 600; padding: 2px 8px;
  border-radius: 6px; background: rgba(79,142,247,0.15); color: var(--clr-accent);
  white-space: nowrap;
}
.download-link__badge--alt {
  background: rgba(52,211,153,0.15); color: #34d399;
}

@media (max-width: 768px) {
  .downloads__grid { grid-template-columns: 1fr; }
}

/* ── Pricing ──────────────────────────────────────────────────────────────── */
.pricing { padding: 96px 0; }
.pricing__cards { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; }
.pricing__cards--grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.price-card {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: var(--radius); padding: 32px 28px; width: 100%; text-align: center;
  position: relative; display: flex; flex-direction: column; gap: 0;
  transition: border-color var(--transition), transform var(--transition);
}
.price-card:hover { border-color: rgba(79,142,247,0.5); transform: translateY(-4px); }
.price-card--featured {
  border-color: var(--clr-accent);
  box-shadow: 0 0 40px rgba(79,142,247,0.15);
  transform: translateY(-6px);
}
.price-card--featured:hover { transform: translateY(-10px); }
.price-card__badge {
  display: inline-block; background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-2));
  color: #fff; border-radius: 20px; padding: 4px 16px; font-size: 12px; font-weight: 700;
  margin-bottom: 16px; align-self: center;
}
.price-card__name { font-size: 17px; font-weight: 700; margin-bottom: 12px; color: var(--clr-text); }
.price-card__price { font-size: 42px; font-weight: 900; color: var(--clr-text); margin-bottom: 24px; }
.price-card__price span { font-size: 18px; color: var(--clr-muted); font-weight: 500; }
.price-card__list { list-style: none; text-align: left; margin-bottom: 24px; flex: 1; }
.price-card__list li { padding: 8px 0; border-bottom: 1px solid var(--clr-border); font-size: 14px; color: var(--clr-muted); }
.price-card__list li:last-child { border-bottom: none; }
.price-card__note { font-size: 12px; color: var(--clr-muted); margin-top: 12px; }
.pricing__note { text-align: center; color: var(--clr-muted); font-size: 14px; margin-top: 32px; }

/* ── FAQ ──────────────────────────────────────────────────────────────────── */
.faq { padding: 96px 0; }
.faq__list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq__item {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm); overflow: hidden;
}
.faq__item summary {
  cursor: pointer; padding: 20px 24px; font-size: 16px; font-weight: 600;
  list-style: none; display: flex; justify-content: space-between; align-items: center;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: "+"; font-size: 22px; color: var(--clr-accent); transition: transform var(--transition); }
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p { padding: 0 24px 20px; color: var(--clr-muted); font-size: 15px; line-height: 1.7; }

/* ── Footer ───────────────────────────────────────────────────────────────── */
.footer {
  background: var(--clr-surface); border-top: 1px solid var(--clr-border);
  padding: 64px 0 0;
}
.footer__inner {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  padding-bottom: 48px;
}
.footer__brand p { color: var(--clr-muted); font-size: 14px; margin-top: 12px; line-height: 1.7; }
.footer__links h4 { font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--clr-muted); margin-bottom: 16px; }
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a { font-size: 14px; color: var(--clr-muted); }
.footer__links a:hover { color: var(--clr-text); opacity: 1; }
.footer__bottom {
  border-top: 1px solid var(--clr-border);
  padding: 20px 24px; text-align: center;
}
.footer__bottom p { font-size: 13px; color: var(--clr-muted); }

/* ── Mobile ───────────────────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .pricing__cards--grid { grid-template-columns: repeat(2, 1fr); }
  .price-card--featured { transform: none; }
  .how__ways { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__sub { max-width: 100%; }
  .hero__actions { justify-content: center; }
  .hero__stats { justify-content: center; flex-wrap: wrap; gap: 24px; }
  .hero__visual { display: none; }
  .nav__inner { gap: 12px; }
  .nav__logo { font-size: 16px; white-space: nowrap; }
  .nav__links { display: none; }
  .nav__cta-tg { display: none; }
  .nav__cta { padding: 8px 14px; font-size: 14px; }
  .features__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .price-card { padding: 28px 20px; }
  .hero { padding: 64px 0 56px; }
  .features, .how, .pricing, .faq { padding: 64px 0; }
}

@media (max-width: 520px) {
  .pricing__cards--grid { grid-template-columns: 1fr; }
}