:root {
  --bg0: #071018;
  --bg1: #0c1a24;
  --ink: #e8f1f4;
  --muted: #8aa3ad;
  --line: rgba(232, 241, 244, 0.12);
  --accent: #2fd3a2;
  --accent2: #e8b86d;
  --danger: #ff6b6b;
  --font-display: "Sora", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(47, 211, 162, 0.16), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(232, 184, 109, 0.12), transparent 50%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 40%, #050b10);
}
a { color: inherit; }
button, input { font: inherit; }

.wrap { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0 8px;
}
.brand {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 1.15rem;
  text-decoration: none;
}
.nav-actions { display: flex; gap: 10px; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #04261c; font-weight: 700; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-accent { background: var(--accent2); color: #1a1205; font-weight: 700; }
.btn-block { width: 100%; }

.hero {
  min-height: calc(100vh - 90px);
  display: grid;
  align-content: end;
  padding: 48px 0 72px;
  position: relative;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 8% 0 auto auto;
  width: min(52vw, 560px);
  height: min(52vw, 560px);
  border-radius: 40% 60% 55% 45%;
  background:
    linear-gradient(145deg, rgba(47,211,162,.25), rgba(7,16,24,.1) 45%, rgba(232,184,109,.18)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cpath fill='none' stroke='rgba(232,241,244,0.08)' stroke-width='1' d='M0 80h160M80 0v160'/%3E%3C/svg%3E");
  filter: blur(0.2px);
  animation: drift 14s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes drift {
  from { transform: translate(0,0) rotate(0deg); }
  to { transform: translate(-18px, 22px) rotate(8deg); }
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 6.4rem);
  line-height: 0.95;
  margin: 0 0 18px;
  letter-spacing: -0.03em;
  max-width: 9ch;
  animation: rise .8s ease both;
}
.hero p {
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.55;
  margin: 0 0 28px;
  animation: rise .9s ease both .08s;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; animation: rise 1s ease both .14s; }
@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

.section { padding: 72px 0; border-top: 1px solid var(--line); }
.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 10px;
}
.section .lead { color: var(--muted); margin: 0 0 28px; max-width: 40rem; }

.plans {
  display: grid;
  gap: 18px;
}
@media (min-width: 800px) {
  .plans { grid-template-columns: 1fr 1fr; }
}
.plan {
  border-top: 1px solid var(--line);
  padding: 22px 0 8px;
}
.plan h3 { margin: 0 0 8px; font-family: var(--font-display); font-size: 1.5rem; }
.plan .desc { color: var(--muted); margin: 0 0 14px; }
.plan ul { margin: 0 0 16px; padding-left: 1.1rem; color: var(--ink); }
.plan li { margin: 6px 0; }
.plan .warn { color: var(--accent2); font-size: .92rem; }
.periods { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.period {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  border-radius: 14px;
  padding: 10px 12px;
  cursor: pointer;
  min-width: 110px;
}
.period strong { display: block; }
.period span { color: var(--muted); font-size: .85rem; }

.footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.panel {
  width: min(760px, calc(100% - 32px));
  margin: 28px auto 48px;
}
.card-plain {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}
.muted { color: var(--muted); }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.grid2 { display: grid; gap: 12px; }
@media (min-width: 700px) { .grid2 { grid-template-columns: 1fr 1fr; } }
.stat {
  font-size: 1.8rem;
  font-family: var(--font-display);
  margin: 4px 0 0;
}
.input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  padding: 12px 14px;
}
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 18px 0; }
.tab {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
}
.tab.active { color: var(--ink); border-color: var(--accent); }
.hidden { display: none !important; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; word-break: break-all; }
.status-ok { color: var(--accent); }
.status-bad { color: var(--danger); }
.login-box {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 40px 16px;
}
.login-box h1 { font-family: var(--font-display); font-size: clamp(2rem, 6vw, 3.4rem); margin: 0 0 12px; }
.flash {
  border-left: 3px solid var(--accent);
  padding: 10px 12px;
  margin: 12px 0;
  background: rgba(47,211,162,0.08);
}
.error {
  border-left: 3px solid var(--danger);
  padding: 10px 12px;
  margin: 12px 0;
  background: rgba(255,107,107,0.08);
}
.oauth-block { text-align: center; }
.oauth-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.btn-oauth {
  background: rgba(255,255,255,0.06);
  color: var(--ink);
  border: 1px solid var(--line);
  font-weight: 600;
}
.btn-oauth:hover { background: rgba(255,255,255,0.1); }
.btn-oauth.google { border-color: rgba(66,133,244,0.45); }
.btn-oauth.yandex { border-color: rgba(252,62,57,0.45); }
.btn-oauth.vk { border-color: rgba(0,119,255,0.45); }
.login-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 28px 0 18px;
  color: var(--muted);
  font-size: .85rem;
}
.login-divider::before,
.login-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}