:root {
  --navy: #1c3040;
  --navy-deep: #13232f;
  --cyan: #008cd0;
  --cyan-bright: #19a3e6;
  --paper: #f6f9fb;
  --ink: #1c3040;
  --muted: #5a6e7c;
  --line: #d4e0e8;
  --white: #ffffff;
  --radius: 20px;
  --font: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 480px at 10% -10%, rgba(0, 140, 208, 0.18), transparent 60%),
    radial-gradient(700px 420px at 100% 0%, rgba(28, 48, 64, 0.12), transparent 55%),
    radial-gradient(600px 360px at 70% 110%, rgba(0, 140, 208, 0.1), transparent 50%),
    var(--paper);
}

.grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(28, 48, 64, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 48, 64, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 25%, transparent 75%);
}

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  width: min(720px, calc(100% - 40px));
  margin: 0 auto;
  padding: 48px 0 64px;
  animation: rise 0.7s var(--ease) both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.brand {
  margin-bottom: 40px;
}

.brand img {
  height: 64px;
  width: auto;
  display: block;
}

.kicker {
  display: inline-block;
  margin-bottom: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(0, 140, 208, 0.1);
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero h1 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 16px;
  font-size: clamp(1.85rem, 5vw, 2.75rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}

.hero .old {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  text-decoration-color: rgba(90, 110, 124, 0.45);
}

.hero .arrow {
  color: var(--cyan);
  font-weight: 700;
}

.hero .new {
  color: var(--navy);
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 48ch;
  margin-bottom: 28px;
}

.lead strong {
  color: var(--navy);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 0.98rem;
  border: 2px solid transparent;
  transition: transform 0.2s var(--ease), background 0.2s, box-shadow 0.2s, border-color 0.2s;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--cyan);
  color: var(--white);
  box-shadow: 0 10px 28px rgba(0, 140, 208, 0.28);
}

.btn-primary:hover {
  background: var(--cyan-bright);
}

.btn-ghost {
  background: var(--white);
  color: var(--navy);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.countdown {
  font-size: 0.9rem;
  color: var(--muted);
  min-height: 1.4em;
}

.linkish {
  background: none;
  border: none;
  color: var(--cyan);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  margin-left: 4px;
}

.linkish:hover {
  text-decoration: underline;
}

.offer {
  background: linear-gradient(145deg, var(--navy-deep), var(--navy) 55%, #24465c);
  color: #e8f1f6;
  border-radius: calc(var(--radius) + 4px);
  padding: 28px 26px;
  margin: 40px 0;
}

.offer h2 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.offer > p {
  color: rgba(232, 241, 246, 0.82);
  max-width: 42ch;
}

.tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tags li {
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.82rem;
  font-weight: 600;
  color: #fff;
}

.offer-contact {
  margin-top: 18px;
}

.offer-contact a {
  color: #fff;
  font-weight: 600;
}

.offer-contact a:hover {
  color: var(--cyan-bright);
}

.footer {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  color: var(--muted);
  font-size: 0.9rem;
  display: grid;
  gap: 6px;
}

.footer strong {
  color: var(--navy);
}

@media (max-width: 640px) {
  .page {
    padding: 32px 0 48px;
  }

  .brand img {
    height: 52px;
  }

  .actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .hero h1 {
    flex-direction: column;
    gap: 4px;
  }

  .hero .arrow {
    display: none;
  }
}