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

:root {
  --bg: #FAF9F7;
  --surface: #FFFFFF;
  --surface-alt: #F4F2F8;
  --accent: #B85BC8;
  --accent-soft: #EDE3F5;
  --text: #1C1C1E;
  --text-secondary: #6B6875;
  --border: #EAE6F0;
  --shadow: rgba(80, 40, 100, 0.07);
  --radius: 18px;
  --radius-sm: 12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ─────────────────────────────────────────── */
.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 22px;
}

/* ── Hero ────────────────────────────────────────────── */
.hero {
  padding: 64px 22px 48px;
  text-align: center;
}

.hero-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  margin: 0 auto 24px;
  display: block;
  box-shadow: 0 4px 16px var(--shadow);
}

.hero h1 {
  font-size: clamp(28px, 6vw, 44px);
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.15;
  margin-bottom: 10px;
}

.hero .tagline {
  font-size: clamp(16px, 3vw, 19px);
  color: var(--text-secondary);
  font-weight: 400;
}

/* ── Intro ───────────────────────────────────────────── */
.intro {
  padding: 0 22px 48px;
  text-align: center;
}

.intro h2 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
}

.intro p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto;
}

/* ── Section ─────────────────────────────────────────── */
.section {
  padding: 0 22px 56px;
}

.section-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* ── About card ──────────────────────────────────────── */
.about-card {
  background: #FDFAFD;
  border-radius: 22px;
  border: 1px solid #EDE3F5;
  box-shadow: 0 2px 20px rgba(184, 91, 200, 0.06);
  padding: 30px 32px;
  margin-bottom: 48px;
}

.about-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.3;
}

.about-text {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.58;
  margin: 0;
}

@media (max-width: 480px) {
  .about-card { padding: 24px 20px; }
}

/* ── FAQ ─────────────────────────────────────────────── */
.faq-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px var(--shadow);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  -webkit-tap-highlight-color: transparent;
}

.faq-question:hover { background: var(--surface-alt); }

.faq-chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}

.faq-chevron svg {
  width: 10px;
  height: 10px;
  stroke: var(--accent);
  stroke-width: 2.5;
  fill: none;
  transition: transform 0.2s ease;
}

.faq-item.open .faq-chevron svg {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 20px 18px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
}

.faq-item.open .faq-answer { display: block; }

/* ── Donation ────────────────────────────────────────── */
.donation-card {
  background: #FDFAFD;
  border-radius: 22px;
  border: 1px solid #EDE3F5;
  box-shadow: 0 2px 20px rgba(184, 91, 200, 0.07), 0 0 0 0 rgba(184, 91, 200, 0);
  padding: 34px 36px;
  text-align: center;
}

.donation-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.25;
}

.donation-text {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.55;
  max-width: 540px;
  margin: 0 auto 22px;
}

.support-button {
  display: inline-block;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.support-button:hover { opacity: 0.88; text-decoration: none; }

.donation-note {
  display: block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-secondary);
  opacity: 0.75;
}

@media (max-width: 480px) {
  .donation-card { padding: 24px 20px; }
  .support-button { display: block; width: 100%; text-align: center; box-sizing: border-box; }
}

/* ── Contact ─────────────────────────────────────────── */
.contact-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 2px 12px var(--shadow);
  padding: 32px 28px;
  text-align: center;
}

.contact-card h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
}

.contact-card p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  max-width: 360px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  background: var(--accent);
  color: #fff;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.btn:hover { opacity: 0.88; text-decoration: none; }

.contact-note {
  display: block;
  margin-top: 14px;
  font-size: 14px;
  color: var(--text-secondary);
}

/* ── Footer ──────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 22px 40px;
  text-align: center;
}

.footer-brand {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.footer-links {
  font-size: 14px;
}

.footer-links a {
  color: var(--text-secondary);
}

.footer-links a:hover { color: var(--accent); }

.footer-sep {
  margin: 0 8px;
  color: var(--border);
}

@media (max-width: 480px) {
  .hero { padding: 48px 22px 36px; }
  .hero-icon { width: 68px; height: 68px; border-radius: 16px; }
  .contact-card { padding: 26px 20px; }
}