:root {
  --bg-a: #f3f7ff;
  --bg-b: #ffe7cb;
  --ink: #152238;
  --accent: #ff6b35;
  --accent-2: #06a77d;
  --card: rgba(255, 255, 255, 0.74);
  --shadow: 0 18px 46px rgba(21, 34, 56, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "SUIT", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 90% 15%, rgba(255, 107, 53, 0.34), transparent 32%),
    radial-gradient(circle at 12% 85%, rgba(6, 167, 125, 0.34), transparent 30%),
    linear-gradient(135deg, var(--bg-a), var(--bg-b));
  display: grid;
  place-items: center;
  padding: 72px 24px 24px;
}

.top-nav {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 30;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-link {
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid rgba(21, 34, 56, 0.2);
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 800;
  padding: 9px 12px;
  transition: transform 120ms ease, background-color 120ms ease, color 120ms ease;
}

.nav-link:hover {
  transform: translateY(-1px);
}

.nav-link.active {
  background: linear-gradient(105deg, var(--accent), #f9505f);
  border-color: transparent;
  color: #fff;
}

.partner-fab {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 30;
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid rgba(21, 34, 56, 0.2);
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 800;
  padding: 9px 12px;
  box-shadow: 0 8px 18px rgba(21, 34, 56, 0.14);
}

.app {
  width: min(760px, 100%);
  animation: enter 520ms ease-out both;
}

.hero {
  margin-bottom: 20px;
}

.badge {
  display: inline-block;
  margin: 0 0 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(21, 34, 56, 0.15);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

h1 {
  margin: 0;
  line-height: 1.08;
  font-family: "SUIT", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  font-weight: 600;
  font-size: clamp(2rem, 7vw, 3.2rem);
}

.subtitle {
  margin: 12px 0 0;
  font-size: clamp(1rem, 1.9vw, 1.1rem);
  opacity: 0.85;
}

.card {
  backdrop-filter: blur(7px);
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 26px;
}

.label {
  margin: 0;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.74;
}

h2 {
  margin: 10px 0;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  line-height: 1.14;
}

.card p {
  margin: 0 0 16px;
}

button {
  border: 0;
  border-radius: 14px;
  padding: 13px 20px;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(105deg, var(--accent), #f9505f);
  transition: transform 120ms ease, filter 120ms ease;
  box-shadow: 0 10px 20px rgba(255, 107, 53, 0.28);
}

button:hover {
  transform: translateY(-1px);
  filter: saturate(1.05);
}

.lotto-balls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 10px;
}

.food-filter {
  border: 1px solid rgba(21, 34, 56, 0.2);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, background-color 120ms ease, color 120ms ease;
}

.food-filter:hover {
  transform: translateY(-1px);
}

.food-filter.active {
  background: linear-gradient(105deg, var(--accent), #f9505f);
  border-color: transparent;
  color: #fff;
}

.lotto-ball {
  width: 48px;
  height: 48px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(21, 34, 56, 0.2);
  font-weight: 800;
}

.bonus-line {
  margin-bottom: 16px;
  font-size: 1rem;
}

.contact-card {
  margin-top: 16px;
}

.contact-title {
  margin: 10px 0 16px;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
}

#partner-form {
  display: grid;
  gap: 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

#partner-form label {
  display: grid;
  gap: 6px;
  font-size: 0.92rem;
  font-weight: 600;
}

#partner-form input,
#partner-form textarea {
  width: 100%;
  border: 1px solid rgba(21, 34, 56, 0.22);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
}

#partner-form textarea {
  resize: vertical;
  min-height: 120px;
}

#partner-submit {
  background: linear-gradient(105deg, var(--accent-2), #0f9d79);
  box-shadow: 0 10px 20px rgba(6, 167, 125, 0.25);
}

#partner-submit:disabled {
  opacity: 0.7;
  cursor: wait;
}

.partner-status {
  margin: 2px 0 0;
  min-height: 1.2em;
  font-size: 0.92rem;
}

@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 700px) {
  body {
    padding: 78px 16px 16px;
  }

  .top-nav {
    top: 10px;
    left: 10px;
    gap: 6px;
  }

  .partner-fab {
    top: 10px;
    right: 10px;
  }

  .card {
    padding: 22px;
    border-radius: 22px;
  }

  button {
    width: 100%;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }
}