:root {
  --pink-bg: #fff0f9;
  --pink-soft: #f8c4e8;
  --pink: #f584b3;
  --pink-dark: #c94378;
  --ink: #171217;
  --muted: #6d5c66;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: "Inter", Arial, Helvetica, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(245, 132, 179, 0.24), transparent 28rem),
    linear-gradient(180deg, var(--pink-bg), #fff8fc 68%, #ffffff 120%);
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 14px 40px;
}

.hero {
  width: min(100%, 430px);
  text-align: center;
  padding: 28px 24px 34px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 22px 60px rgba(201, 67, 120, 0.15);
}

.logo-wrap {
  width: min(220px, 68vw);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  margin: 0 auto 18px;
  overflow: hidden;
  border-radius: 50%;
  background: var(--pink-bg);
  border: 7px solid var(--white);
  box-shadow: 0 14px 38px rgba(201, 67, 120, 0.14);
}

.logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tag {
  width: fit-content;
  max-width: 100%;
  margin: 0 auto 12px;
  padding: 10px 15px;
  border-radius: 999px;
  color: var(--pink-dark);
  background: rgba(248, 196, 232, 0.62);
  font-size: clamp(0.82rem, 3vw, 0.92rem);
  font-weight: 800;
}

.join-card {
  margin: 0 auto;
  padding: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.join-card h2 {
  max-width: 320px;
  margin: 0 auto;
  color: var(--ink);
  font-size: clamp(1.55rem, 6vw, 1.92rem);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: 0;
}

.intro {
  max-width: 340px;
  margin: 20px auto 0;
  color: var(--muted);
  font-size: clamp(0.98rem, 4vw, 1.04rem);
  line-height: 1.75;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: min(100%, 330px);
  min-height: 64px;
  margin: 30px auto 26px;
  padding: 18px 24px;
  border-radius: 18px;
  border: 3px solid rgba(255, 255, 255, 0.94);
  color: var(--white);
  background: linear-gradient(135deg, var(--pink), var(--pink-dark));
  font-size: clamp(1.12rem, 4.8vw, 1.32rem);
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  box-shadow: 0 14px 28px rgba(201, 67, 120, 0.28), 0 0 0 8px rgba(245, 132, 179, 0.11);
  animation: pulse-button 1.8s ease-in-out infinite;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(201, 67, 120, 0.34), 0 0 0 10px rgba(245, 132, 179, 0.13);
}

.benefits {
  display: grid;
  gap: 17px;
  margin: 0;
  padding: 0;
  list-style: none;
  text-align: left;
}

.benefits li {
  color: var(--ink);
  font-size: clamp(0.95rem, 3.8vw, 1rem);
  line-height: 1.45;
}

.instagram {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: min(100%, 330px);
  margin: 24px auto 0;
  padding: 12px 14px;
  border-radius: 18px;
  color: var(--ink);
  background: rgba(255, 240, 249, 0.78);
  border: 1px solid rgba(248, 196, 232, 0.95);
  text-decoration: none;
}

.instagram-icon {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  color: var(--white);
  background: linear-gradient(135deg, #feda75, #fa7e1e, var(--pink), var(--pink-dark));
}

.instagram-icon svg {
  width: 25px;
  height: 25px;
  fill: currentColor;
  display: block;
}

.instagram span:last-child {
  display: grid;
  gap: 2px;
  text-align: left;
}

.instagram strong {
  color: var(--muted);
  font-size: 0.84rem;
}

.instagram b {
  color: var(--pink-dark);
  font-size: clamp(0.98rem, 4vw, 1.1rem);
  overflow-wrap: anywhere;
}

.privacy {
  max-width: 310px;
  margin: 28px auto 0;
  color: #8a7c84;
  font-size: 0.82rem;
  line-height: 1.55;
}

.privacy strong {
  color: var(--pink-dark);
}

@keyframes pulse-button {
  0% {
    transform: scale(1);
    box-shadow: 0 14px 28px rgba(201, 67, 120, 0.28), 0 0 0 0 rgba(245, 132, 179, 0.36);
  }

  50% {
    transform: scale(1.035);
    box-shadow: 0 20px 40px rgba(201, 67, 120, 0.34), 0 0 0 13px rgba(245, 132, 179, 0.08);
  }

  100% {
    transform: scale(1);
    box-shadow: 0 14px 28px rgba(201, 67, 120, 0.28), 0 0 0 22px rgba(245, 132, 179, 0);
  }
}

@media (max-width: 420px) {
  .page {
    display: block;
    padding: 14px 14px 34px;
  }

  .hero {
    margin: 0 auto;
    padding: 24px 18px 30px;
  }

  .logo-wrap {
    width: min(210px, 68vw);
    border-width: 6px;
  }

  .instagram {
    gap: 9px;
    padding: 11px 12px;
  }
}

@media (max-width: 340px) {
  .page {
    padding-inline: 10px;
  }

  .join-card {
    padding: 0;
  }

  .intro,
  .benefits li,
  .privacy {
    font-size: 0.93rem;
  }

  .button {
    padding-inline: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    animation: none;
  }
}