/* ═══════════════════════════════════════════════════════
   Randomaxer — Shared Styles
   ═══════════════════════════════════════════════════════ */

/* ─── TOKENS ─────────────────────────────────────────── */
:root {
  /* Bot links — update here, propagated via JS */
  --link-tg:  https://t.me/Randomaxerbot;
  --link-max: https://max.ru;

  /* Surface */
  --bg:        #080808;
  --bg-raised: #0F0F0F;
  --bg-card:   #141414;

  /* Borders */
  --line:      rgba(255,255,255,0.07);
  --line-h:    rgba(255,255,255,0.13);

  /* Text */
  --t1: #F5F5F7;
  --t2: rgba(245,245,247,0.52);
  --t3: rgba(245,245,247,0.26);

  /* Brand */
  --blue:   #2AABEE;
  --purple: #8B6FE8;
  --green:  #30D158;
  --grad:   linear-gradient(135deg, #2AABEE 0%, #8B6FE8 100%);

  /* Type */
  --font: -apple-system, BlinkMacSystemFont, 'SF Pro Display',
          'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Layout */
  --max-w: 1100px;
  --r:     18px;
}

/* ─── RESET ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--t1);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img { display: block; }

/* ─── LAYOUT ─────────────────────────────────────────── */
.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

/* ─── BUTTONS ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 100px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  letter-spacing: -.1px;
  transition: opacity .18s ease, transform .18s ease;
  white-space: nowrap;
  line-height: 1;
}
.btn:active { transform: scale(.97); }

.btn-fill {
  background: var(--grad);
  color: #fff;
}
.btn-fill:hover { opacity: .84; transform: translateY(-1px); }

.btn-ghost {
  background: rgba(255,255,255,.06);
  border: 1px solid var(--line-h);
  color: var(--t1);
}
.btn-ghost:hover { background: rgba(255,255,255,.10); transform: translateY(-1px); }

.btn-lg { padding: 15px 30px; font-size: 16px; }

/* ─── HEADER ─────────────────────────────────────────── */
#hdr {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 900;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
#hdr.scrolled {
  background: rgba(8,8,8,.88);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-color: var(--line);
}
.hdr-inner {
  display: flex;
  align-items: center;
  height: 60px;
  gap: 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.3px;
  flex-shrink: 0;
}
.logo-mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--grad);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hdr-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
  margin-right: 24px;
}
.hdr-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--t2);
  transition: color .18s;
}
.hdr-nav a:hover { color: var(--t1); }

/* ─── FOOTER ─────────────────────────────────────────── */
footer {
  background: var(--bg-raised);
  border-top: 1px solid var(--line);
  padding: 64px 0 36px;
}
.foot-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}
.foot-brand .logo { margin-bottom: 12px; }
.foot-tagline {
  font-size: 14px;
  color: var(--t2);
  max-width: 260px;
  line-height: 1.65;
}
.socials { display: flex; gap: 10px; }
.social-btn {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .18s, border-color .18s, transform .18s;
}
.social-btn:hover {
  background: rgba(255,255,255,.09);
  border-color: var(--line-h);
  transform: translateY(-2px);
}
.social-btn svg, .social-btn img {
  width: 20px;
  height: 20px;
  display: block;
}
.foot-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.foot-legal {
  font-size: 13px;
  color: var(--t3);
  line-height: 1.9;
}
.foot-legal a { transition: color .18s; }
.foot-legal a:hover { color: var(--t2); }
.foot-links {
  display: flex;
  gap: 20px;
}
.foot-links a {
  font-size: 13px;
  color: var(--t3);
  transition: color .18s;
}
.foot-links a:hover { color: var(--t2); }

/* ─── ANIMATIONS ─────────────────────────────────────── */
.up {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity .65s cubic-bezier(.16,1,.3,1),
    transform .65s cubic-bezier(.16,1,.3,1);
}
.up.vis { opacity: 1; transform: none; }
.d1 { transition-delay: .08s; }
.d2 { transition-delay: .16s; }
.d3 { transition-delay: .24s; }
.d4 { transition-delay: .32s; }

/* ─── RESPONSIVE BASE ─────────────────────────────────── */
@media (max-width: 680px) {
  .wrap { padding: 0 20px; }
  .hdr-nav { display: none; }
  .foot-top { flex-direction: column; }
  .foot-bottom { flex-direction: column; align-items: flex-start; }
}