:root {
  --bg-start: #0a1929;
  --bg-mid: #1e3a5f;
  --bg-end: #2563a8;
  --text: #ffffff;
  --text-muted: rgba(255,255,255,0.72);
  --accent: #fbbf24;
  --accent-hover: #f59e0b;
  --purple: #60a5fa;
  --purple2: #93c5fd;
  --card-bg: rgba(255,255,255,0.06);
  --card-bg-strong: rgba(255,255,255,0.1);
  --border: rgba(255,255,255,0.12);
  --radius: 16px;
  --radius-lg: 22px;
  --shadow: 0 16px 48px rgba(0,0,0,0.35);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin:0; padding:0; overflow-x: hidden; }
body {
  font-family: var(--font);
  color: var(--text);
  min-height: 100vh;
  background:
    radial-gradient(1200px 800px at 80% -10%, rgba(96,165,250,0.35), transparent 60%),
    radial-gradient(1000px 700px at -10% 110%, rgba(251,191,36,0.18), transparent 60%),
    linear-gradient(160deg, var(--bg-start) 0%, var(--bg-mid) 45%, var(--bg-end) 100%);
  background-attachment: fixed;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text); text-decoration: none; }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }
.muted { color: var(--text-muted); }

.header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 16px;
  padding: 14px 28px;
  /* nav-mobile dropdown anchor */
  background: rgba(10,25,41,0.55);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.brand { display:flex; align-items:center; gap:12px; font-weight:700; font-size:19px; text-decoration: none; color: #fff; }
.brand__logo { width: 44px; height: 44px; object-fit: contain; }
.brand__emoji { color: var(--accent); }
.user-chip { display:inline-flex; align-items:center; gap:8px; padding:6px 12px; border-radius: 999px; background: var(--card-bg); border: 1px solid var(--border); font-size: 13px; color: var(--text-muted); max-width: 180px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-chip__email { overflow: hidden; text-overflow: ellipsis; }
.nav { display:flex; gap: 22px; flex: 1; justify-content: center; }
.nav a { color: var(--text-muted); font-weight: 500; font-size: 15px; }
.nav a:hover { color: #fff; }
.nav-actions { display:flex; gap: 10px; }
.burger { display:none; background:none; border:0; color:#fff; font-size:22px; cursor:pointer; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border-radius: 12px; font-weight: 600; font-size: 14px;
  border: 1px solid var(--border); cursor: pointer; transition: .15s ease;
  background: var(--card-bg); color: #fff;
}
.btn:hover { background: var(--card-bg-strong); transform: translateY(-1px); }
.btn--accent {
  background: var(--accent);
  color: #1a1505;
  border-color: var(--accent);
}
.btn--accent:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #1a1505; }
.btn--ghost { background: transparent; }
.btn--lg { padding: 14px 26px; font-size: 15px; }

.main { min-height: calc(100vh - 70px - 80px); }
.section { padding: 90px 28px; max-width: 1280px; margin: 0 auto; }
.section--dark {
  background:
    linear-gradient(transparent, rgba(0,0,0,0.18)),
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.04), transparent 60%);
  position: relative;
  border-radius: 32px;
  overflow: hidden;
}
.section--dark::before {
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px; opacity:.6; pointer-events:none;
  border-radius: inherit;
}
.section--dark > * { position: relative; z-index: 1; }
.section__title { font-size: clamp(28px, 4vw, 44px); margin: 0 0 36px; text-align:center; font-weight:700; }

/* HERO */
.hero { position: relative; padding: 40px 28px 60px; overflow: hidden; }
.hero__inner {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
}
.hero__copy { min-width: 0; }
.hero__title { font-size: clamp(36px, 5.6vw, 68px); margin: 0 0 14px; font-weight:800; line-height: 1.02; }
.hero__emoji { color: var(--accent); }
.hero__sub { color: var(--text-muted); font-size: clamp(15px, 1.4vw, 19px); margin: 0 0 28px; max-width: 480px; }
.hero__cta { display:flex; gap: 12px; margin-bottom: 28px; flex-wrap: wrap; }
.hero__bullets { display:flex; gap: 18px; color: var(--text-muted); flex-wrap:wrap; font-size: 14px; }

.hero__visual {
  position: relative;
  height: 640px; display:flex; align-items:center; justify-content:center;
  min-width: 0;
}
.logo-float-scene { position: relative; width: 620px; height: 620px; max-width: 100%; max-height: 100%; }
.logo-ring, .logo-ring-2 {
  position:absolute; inset: 0; border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.12);
  animation: ringRotate 22s linear infinite;
}
.logo-ring-2 {
  inset: 30px; border-color: rgba(251,191,36,0.18);
  animation-duration: 30s; animation-direction: reverse;
}
.logo-halo {
  position:absolute; inset: 60px;
  border-radius:50%;
  background: radial-gradient(circle, rgba(96,165,250,0.4), transparent 70%);
  filter: blur(20px);
  animation: haloPulse 4s ease-in-out infinite;
}
.logo-levitate {
  position:absolute; inset: 40px;
  display:flex; align-items:center; justify-content:center;
  animation: logoFloat 6s ease-in-out infinite;
  transform-style: preserve-3d;
  will-change: transform;
}
.logo-levitate img { width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(0 14px 30px rgba(0,0,0,0.45)); }
.logo-shadow {
  position:absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  width: 180px; height: 16px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(0,0,0,0.5), transparent 70%);
  filter: blur(8px);
  animation: shadowPulse 6s ease-in-out infinite;
}

@keyframes ringRotate { to { transform: rotate(360deg);} }
@keyframes haloPulse {
  0%,100% { opacity:.6; transform: scale(1);}
  50% { opacity: 1; transform: scale(1.05);}
}
@keyframes logoFloat {
  0%,100% { transform: translateY(0);}
  50% { transform: translateY(-14px);}
}
@keyframes shadowPulse {
  0%,100% { transform: translateX(-50%) scale(1); opacity:.6;}
  50% { transform: translateX(-50%) scale(0.85); opacity:.4;}
}

.badge {
  position:absolute;
  padding: 10px 16px;
  background: var(--card-bg-strong);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 14px;
  font-weight: 700;
  font-size: clamp(13px, 1.3vw, 18px);
  color: var(--accent);
  animation: badgeFloat 5s ease-in-out infinite;
  white-space: nowrap;
}
.badge--1 { top: 16%; left: 14%; animation-delay: 0s;}
.badge--2 { top: 46%; right: 8%; animation-delay: 1.5s;}
.badge--3 { bottom: 16%; left: 22%; animation-delay: 3s;}
.badge--link { text-decoration: none; cursor: pointer; }
.badge--link:hover { transform: scale(1.05); box-shadow: 0 8px 24px rgba(251,191,36,0.3); }
@keyframes badgeFloat {
  0%,100% { transform: translateY(0);}
  50% { transform: translateY(-10px);}
}

/* TARIFFS */
.tariffs-grid {
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  max-width: 880px;
  margin: 0 auto;
}
.tariff-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  transition: .2s;
}
.tariff-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.tariff-card__title { font-size: 18px; color: var(--text-muted); margin-bottom: 10px; }
.tariff-card__price { font-size: 48px; font-weight: 800; color: var(--accent); }
.tariff-card__price span { font-size: 22px; margin-left: 4px; }
.tariff-card__days { color: var(--text-muted); margin-bottom: 18px; }

/* HOW */
.how-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 20px; max-width: 1080px; margin: 0 auto; }
.how-step {
  background: var(--card-bg);
  border:1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
}
.how-step span {
  display:inline-flex; align-items:center; justify-content:center;
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--accent));
  color: #1a1505; font-weight: 800; margin-bottom: 14px;
}
.how-step b { display:block; margin-bottom: 6px; font-size: 18px; }
.how-step p { color: var(--text-muted); margin: 0; }

/* TG + SUPPORT */
.tg-card, .support-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px; max-width: 600px; margin: 20px auto;
  text-align:center;
}
.tg-card h3, .support-card h3 { margin: 0 0 8px; }
.tg-card p, .support-card p { color: var(--text-muted); margin: 0 0 16px; }

/* AUTH */
.auth-page { display:flex; align-items:center; justify-content:center; min-height: calc(100vh - 200px); padding: 40px 20px; }
.auth-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
}
.auth-card h1 { margin: 0 0 24px; font-size: 28px; text-align:center; }
.auth-card form { display:flex; flex-direction:column; gap: 12px; }
.auth-card input, .modal input, .promo-form input, .support-form input {
  padding: 12px 16px;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: #fff;
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: .15s;
}
.auth-card input:focus, .modal input:focus, .promo-form input:focus, .support-form input:focus {
  border-color: var(--accent);
}
.auth-links { display:flex; justify-content:space-between; margin-top: 16px; font-size: 14px; }
.auth-links a { color: var(--text-muted); }
.auth-links a:hover { color: var(--accent); }

/* CABINET */
.cabinet { max-width: 1080px; margin: 0 auto; padding: 40px 28px 80px; }
.user-card {
  display:flex; align-items:center; gap:16px;
  background: var(--card-bg); border:1px solid var(--border); border-radius: var(--radius-lg);
  padding: 18px 22px; margin-bottom: 36px; flex-wrap: wrap;
}
.user-card__avatar {
  width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--accent));
  display:flex; align-items:center; justify-content:center; color: #1a1505;
}
.user-card__main { flex: 1; min-width: 0; }
.user-card__main b { display:block; font-size:18px; font-weight: 700; word-break: break-all; margin-bottom: 4px; }
.user-card__main small { color: var(--text-muted); }
.user-card__actions { display:flex; gap: 8px; flex-wrap: wrap; }
@media (max-width: 520px) {
  .user-card { padding: 14px; }
  .user-card__actions { width: 100%; }
  .user-card__actions .btn { flex: 1; }
}
.cabinet__row { margin-bottom: 44px; }
.cabinet__row h2 { font-size: 22px; margin: 0 0 18px; }
.sub-list { display:flex; flex-direction:column; gap: 12px; }
.sub-row {
  display:flex; justify-content:space-between; align-items:center;
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 22px; gap: 16px; flex-wrap: wrap;
}
.sub-row--off { opacity: .55; }
.sub-row__main b { display:block; font-size: 16px; }
.sub-row__main small { color: var(--text-muted); }
.sub-row__actions { display:flex; gap:8px; flex-wrap: wrap; }

.tariffs-mini { display:grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.tariff-mini {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; text-align:center;
}
.tariff-mini__title { color: var(--text-muted); }
.tariff-mini__price { font-size: 22px; font-weight: 800; color: var(--accent); margin: 6px 0 12px; }

.promo-form { display:flex; gap: 10px; flex-wrap: nowrap; }
.promo-form input { flex: 1; min-width: 0; }

/* MODAL */
.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  display:flex; align-items:center; justify-content:center;
  z-index: 100; padding: 20px;
}
.modal__box { background: var(--bg-start); border:1px solid var(--border); border-radius: var(--radius-lg); width: 100%; max-width: 480px; box-shadow: var(--shadow); }
.modal__head { display:flex; justify-content:space-between; padding: 18px 22px; border-bottom: 1px solid var(--border); }
.modal__head button { background:none; border:0; color: var(--text-muted); cursor:pointer; font-size: 18px; }
.modal__body { padding: 22px; display:flex; flex-direction:column; gap: 10px; }

/* SUPPORT widget */
.support-widget { position: fixed; right: 24px; bottom: 24px; z-index: 90; }
.support-fab {
  width: 60px; height: 60px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #1a1505; border: 0; font-size: 26px; cursor: pointer;
  box-shadow: 0 12px 32px rgba(251,191,36,.45);
  transition: transform .15s;
}
.support-fab:hover{ transform: scale(1.06); }
.support-panel {
  position: absolute; right: 0; bottom: 76px;
  width: 360px; max-height: 72vh;
  background: linear-gradient(160deg, var(--bg-mid), var(--bg-start));
  border: 1px solid var(--border); border-radius: 20px;
  display:flex; flex-direction:column;
  box-shadow: 0 30px 60px rgba(0,0,0,.5);
  overflow: hidden;
}
.support-panel__header {
  display:flex; justify-content:space-between; align-items:center;
  padding: 16px 20px;
  background: linear-gradient(135deg, var(--purple), var(--accent));
  color: #1a1505;
  font-weight: 700; font-size: 15px;
}
.support-close { background:rgba(0,0,0,.12); border:0; color:#1a1505; cursor:pointer; font-size: 14px; width:28px; height:28px; border-radius:50%; display:flex; align-items:center; justify-content:center; }
.support-close:hover{ background:rgba(0,0,0,.22); }
.support-msgs { flex:1; overflow:auto; padding: 16px; display:flex; flex-direction:column; gap: 10px; max-height: 56vh; }
.support-msg { padding: 10px 14px; border-radius: 14px; max-width: 85%; word-break: break-word; font-size: 14px; line-height: 1.4; }
.support-msg--user { align-self: flex-end; background: var(--accent); color:#1a1505; border-bottom-right-radius: 4px; }
.support-msg--admin { align-self: flex-start; background: rgba(255,255,255,0.1); border-bottom-left-radius: 4px; }
.support-msg__sender {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--purple2); margin-bottom: 4px;
}
.support-form { display:flex; gap: 8px; padding: 12px 14px; border-top: 1px solid var(--border); background: rgba(0,0,0,.2); }
.support-form input { flex: 1; }
.support-form .btn { padding: 0 18px; }

/* TOAST */
.toast {
  position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%);
  background: rgba(0,0,0,0.9); color: #fff; padding: 12px 20px; border-radius: 12px;
  z-index: 999; border: 1px solid var(--border);
}

/* FOOTER */
.footer { border-top: 1px solid var(--border); padding: 28px; margin-top: 60px; background: rgba(0,0,0,0.25); }
.footer__row { max-width: 1280px; margin: 0 auto; display:flex; justify-content:space-between; gap: 16px; color: var(--text-muted); flex-wrap: wrap; }

/* RESULT page (success/error/404) */
.result-page { display:flex; align-items:center; justify-content:center; min-height: calc(100vh - 200px); padding: 40px 20px; }
.result-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 48px 40px; max-width: 520px; text-align:center; box-shadow: var(--shadow);
}
.result-icon { font-size: 64px; margin-bottom: 18px; }
.result-card h1 { margin: 0 0 12px; font-size: 28px; }
.result-card p { color: var(--text-muted); margin: 0 0 22px; }
.result-card #resultActions, .result-card #resultRetry { display:flex; gap: 10px; justify-content:center; flex-wrap: wrap; }

/* ────────── RESPONSIVE ────────── */
@media (max-width: 1280px) {
  .section { padding: 70px 24px; }
  .logo-float-scene { width: 540px; height: 540px; }
  .hero__visual { height: 560px; }
}

@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; gap: 24px; }
  .hero__copy { display: flex; flex-direction: column; align-items: center; }
  .hero__sub { margin-left: auto; margin-right: auto; }
  .hero__cta, .hero__bullets { justify-content: center; }
  .hero__visual { height: 500px; order: -1; }
  .logo-float-scene { width: 480px; height: 480px; }
}

@media (max-width: 880px) {
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; padding: 14px; background: rgba(10,25,41,0.95); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
  .nav.nav--open { display: flex; }
  .burger { display: inline-block; }
  .nav-actions { gap: 6px; }
  .how-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 20px; }
  .section--dark { margin-left: 16px; margin-right: 16px; max-width: calc(100% - 32px); }
}

@media (max-width: 720px) {
  .header { padding: 12px 16px; gap: 10px; }
  .brand__name { font-size: 16px; }
  .hero { padding: 24px 16px 48px; }
  .hero__visual { height: 420px; }
  .logo-float-scene { width: 400px; height: 400px; }
  .hero__bullets { gap: 12px; font-size: 13px; }
  .tariffs-grid { gap: 12px; max-width: 100%; }
  .auth-card { padding: 28px 22px; }
  .result-card { padding: 36px 24px; }
}

@media (max-width: 520px) {
  .tariffs-grid { grid-template-columns: 1fr; max-width: 360px; }
  .header { padding: 10px 14px; }
  .brand__logo { width: 28px; height: 28px; }
  .brand__name { font-size: 14px; }
  .btn { padding: 8px 14px; font-size: 13px; }
  .btn--lg { padding: 12px 20px; font-size: 14px; }
  .section { padding: 48px 14px; }
  .section__title { font-size: 26px; margin-bottom: 24px; }
  .hero { padding: 16px 14px 36px; }
  .hero__visual { height: 360px; }
  .logo-float-scene { width: 340px; height: 340px; }
  .badge--1, .badge--3 { left: 4px; }
  .badge--2 { right: 4px; }
  .badge { padding: 7px 11px; }
  .support-panel { width: calc(100vw - 24px); right: -12px; max-height: 75vh; }
  .support-widget { right: 14px; bottom: 14px; }
  .modal__box { max-width: 100%; }
  .modal { padding: 14px; }
  .cabinet { padding: 24px 14px 60px; }
  .sub-row { flex-direction: column; align-items: stretch; gap: 12px; }
  .sub-row__actions { justify-content: center; }
  .tariff-mini { padding: 14px; }
  .tariff-card { padding: 20px; }
  .tariff-card__price { font-size: 38px; }
  .footer { padding: 18px 16px; }
  .footer__row { font-size: 12px; gap: 10px; }
}

@media (max-width: 420px) {
  .promo-form { flex-wrap: wrap; }
  .promo-form input { width: 100%; }
  .promo-form .btn { width: 100%; }
  .hero__cta .btn { width: 100%; }
  .hero__title { font-size: 32px; }
  .hero__sub { font-size: 14px; }
}

@media (max-width: 360px) {
  .logo-float-scene { width: 240px; height: 240px; }
  .hero__visual { height: 260px; }
  .nav-actions .btn { padding: 6px 10px; font-size: 12px; }
}