:root {
  --ink: #1d2b45;
  --ink-soft: #374b6d;
  --cloud: #f7f8fb;
  --sky-a: #e7f2fb;
  --sky-b: #cfe4f6;
  --sun: #f3c850;
  --sun-deep: #e1ae23;
  --paper: #ffffffde;
  --card-shadow: 0 18px 34px -18px rgba(21, 41, 68, 0.45);
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 20%, rgba(255, 255, 255, 0.9), transparent 28%),
    radial-gradient(circle at 82% 12%, rgba(255, 255, 255, 0.82), transparent 24%),
    radial-gradient(circle at 60% 72%, rgba(255, 255, 255, 0.7), transparent 33%),
    linear-gradient(165deg, var(--sky-a), var(--cloud) 50%, var(--sky-b));
  min-height: 100vh;
}

.sky-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(125deg, rgba(255, 255, 255, 0.2), rgba(240, 245, 255, 0.05)),
    radial-gradient(circle at 40% 30%, rgba(181, 205, 235, 0.2), transparent 42%);
  mix-blend-mode: soft-light;
}

.site-header,
.hero,
.cards,
.cta,
.donation,
.site-footer {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding-top: 1.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-logo {
  display: block;
  width: clamp(180px, 28vw, 320px);
  height: auto;
}

.main-nav {
  display: flex;
  gap: 1rem;
}

.main-nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  transition: background-color 0.25s ease, transform 0.25s ease;
}

.main-nav a:hover {
  background: rgba(255, 255, 255, 0.65);
  transform: translateY(-1px);
}

.hero {
  margin-top: 3rem;
  text-align: center;
}

.tag {
  display: inline-block;
  margin: 0;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: color-mix(in hsl, #f6db94 72%, white 28%);
  font-weight: 700;
  color: #3a3528;
}

.hero h1 {
  margin: 1rem 0 0.8rem;
  font: 700 clamp(2.1rem, 5vw, 4.1rem) / 1 "Montserrat", sans-serif;
  letter-spacing: 0.01em;
}

.lead {
  margin: 0;
  font-size: clamp(1.2rem, 2.7vw, 2rem);
  font-weight: 800;
}

.sublead {
  margin: 0.9rem auto 0;
  max-width: 760px;
  font-size: clamp(1rem, 2.2vw, 1.45rem);
  color: var(--ink-soft);
}

blockquote {
  width: fit-content;
  margin: 1.8rem auto 0;
  padding: 0.72rem 1.2rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.68);
  font-family: "Montserrat", sans-serif;
  font-size: clamp(1.06rem, 2.3vw, 1.45rem);
  box-shadow: 0 8px 26px -22px rgba(9, 19, 31, 0.85);
}

.quote-author {
  display: block;
  margin-top: 0.5rem;
  font-style: normal;
  font-family: "Montserrat", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  color: #435679;
}

.cards {
  margin-top: 3.1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  background: var(--paper);
  backdrop-filter: blur(2px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius);
  padding: 1.4rem 1.2rem 1.2rem;
  box-shadow: var(--card-shadow);
  transform: translateY(14px);
  opacity: 0;
  transition: transform 0.55s ease, opacity 0.55s ease;
}

.card.visible {
  transform: translateY(0);
  opacity: 1;
}

.card-mark {
  font-size: 1.65rem;
  color: var(--sun-deep);
}

.card h2 {
  margin: 0.55rem 0 0.6rem;
  font: 700 1.42rem/1.15 "Montserrat", sans-serif;
}

.card p {
  margin: 0 0 0.9rem;
  color: #2f405d;
}

.card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: #24344f;
  line-height: 1.55;
}

.card.featured {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(244, 249, 255, 0.88));
  border-color: rgba(244, 200, 80, 0.42);
}

.cta {
  margin-top: 2.8rem;
  margin-bottom: 1.6rem;
  background: rgba(255, 255, 255, 0.72);
  border-radius: 28px;
  padding: 1.55rem 1.25rem;
  box-shadow: 0 20px 32px -26px rgba(16, 27, 43, 0.7);
  text-align: center;
}

.cta h2 {
  margin: 0;
  font-size: clamp(1.4rem, 2.9vw, 2.2rem);
  font-family: "Montserrat", sans-serif;
}

.cta p {
  margin: 0.6rem auto 0;
  max-width: 720px;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.cta-actions {
  margin-top: 1.15rem;
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.2;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.72rem 1.25rem;
  min-width: 200px;
  border: 0;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(165deg, #e6eef9, #d7e3f4);
  color: #1e3458;
}

.btn-secondary {
  background: linear-gradient(165deg, #f8d26a, #eebd35);
  color: #2a2418;
}

.donation {
  margin-bottom: 1.6rem;
  background: rgba(255, 255, 255, 0.78);
  border-radius: 22px;
  padding: 1.3rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.78);
  box-shadow: 0 20px 32px -26px rgba(16, 27, 43, 0.7);
}

.donation h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  font-family: "Montserrat", sans-serif;
}

.donation p {
  margin: 0.45rem 0;
  color: #2a3f62;
}

.account-line {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

#account-number {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
}

#club-name {
  font-weight: 700;
  color: #1f3457;
}

.copy-account-btn {
  border: 0;
  border-radius: 999px;
  padding: 0.4rem 0.78rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: #16335a;
  background: linear-gradient(165deg, #dce9fb, #bfd5f6);
  cursor: pointer;
}

.copy-account-btn:hover {
  filter: saturate(1.07);
}

.is-hidden {
  display: none;
}

.site-footer {
  padding: 0.1rem 0 1.2rem;
  text-align: center;
  color: #4e6080;
  font-weight: 600;
}

@media (max-width: 980px) {
  .site-header {
    flex-direction: column;
  }

  .cards {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .card {
    padding: 1.15rem;
  }
}

@media (max-width: 640px) {
  .main-nav {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .main-nav a {
    padding: 0.45rem 0.72rem;
    font-size: 0.95rem;
  }

  .hero {
    margin-top: 2rem;
  }

  .cta {
    border-radius: 20px;
  }

  .btn {
    min-width: 100%;
  }
}