:root {
  --bg: #05090a;
  --bg-elevated: #0b1517;
  --bg-soft: #101d1f;
  --accent: #7ed6ca;
  --accent-soft: rgba(126,214,202,0.14);
  --accent-strong: #b0fff1;
  --text: #f5f7f7;
  --text-muted: #a4b1b3;
  --border-subtle: rgba(255,255,255,0.06);
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow-soft: 0 18px 45px rgba(0,0,0,0.55);
  --shadow-subtle: 0 8px 24px rgba(0,0,0,0.35);
  --max-width: 1120px;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at top, #10252a 0, #05090a 55%);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.6rem;
}

.section {
  padding: 4.5rem 0;
}

/* HEADER */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(5,9,10,0.9), rgba(5,9,10,0.8), transparent);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1rem 1.6rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 2px rgba(126,214,202,0.35);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.brand-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

/* BOTÕES */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #041111;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease, border-color 0.12s ease;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.6);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 6px 18px rgba(0,0,0,0.4);
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border-color: rgba(255,255,255,0.2);
  box-shadow: none;
}

.btn.ghost:hover {
  background: rgba(10,20,21,0.9);
  border-color: var(--accent);
}

.btn.full {
  width: 100%;
}

/* HERO / 3 COLUNAS */

.section-hero {
  padding-top: 3.5rem;
}

.hero-copy {
  text-align: left;
  margin-bottom: 2.8rem;
  max-width: 760px;
}

.hero-eyebrow {
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 0.55rem;
}

.hero-copy h1 {
  font-size: clamp(1.9rem, 3vw, 2.35rem);
  line-height: 1.25;
  margin: 0 0 0.8rem;
}

.hero-lead {
  font-size: 0.98rem;
  color: var(--text-muted);
  max-width: 640px;
}

/* GRID DE DOAÇÕES */

.donations-grid {
  margin-top: 2.4rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
}

.card {
  background: radial-gradient(circle at top left, rgba(126,214,202,0.14), transparent 52%),
              linear-gradient(to bottom, rgba(11,21,23,0.98), #060b0c);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.5rem 1.5rem;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at top, rgba(126,214,202,0.22), transparent 58%);
  opacity: 0;
  transition: opacity 0.2s ease-out;
  pointer-events: none;
}

.card:hover::before {
  opacity: 1;
}

.card-title {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.card-subtitle {
  margin: 0.25rem 0 0.9rem;
  font-size: 0.86rem;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.card-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.qr-wrapper {
  background: var(--bg-soft);
  border-radius: var(--radius-md);
  padding: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed rgba(255,255,255,0.16);
  margin-bottom: 1rem;
}

.qr-wrapper img {
  width: 140px;
  height: auto;
}

.pix-block {
  background: rgba(4,12,13,0.96);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid rgba(126,214,202,0.5);
  margin-bottom: 1rem;
}

.pix-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
}

.pix-key {
  font-size: 0.86rem;
  font-weight: 600;
}

.card-actions {
  margin-bottom: 0.9rem;
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.1rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.card-list li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.25rem;
}

.card-list li::before {
  content: "";
  position: absolute;
  left: 0.2rem;
  top: 0.55rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

.card-footnote {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* SEÇÃO DE TEXTO */

.section-text {
  background: radial-gradient(circle at top, #0d181a, #05090a 55%);
}

.section-text .narrow {
  max-width: 720px;
}

.section-text h2 {
  font-size: 1.5rem;
  margin-top: 0;
  margin-bottom: 1.5rem;
}

.section-text p {
  font-size: 0.98rem;
  color: var(--text-muted);
}

/* CONSTELAÇÃO DA GRATIDÃO */

.section-constelacao {
  padding-bottom: 4.5rem;
}

.constelacao-header {
  max-width: 720px;
  margin: 0 auto 2rem;
  text-align: center;
}

.constelacao-header h2 {
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
}

.constelacao-header p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.supporters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.75rem;
}

.supporter {
  font-size: 0.82rem;
  padding: 0.4rem 0.6rem;
  border-radius: 999px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.08);
  background: radial-gradient(circle at top, rgba(126,214,202,0.18), rgba(5,9,10,0.9));
  box-shadow: var(--shadow-subtle);
}

/* FOOTER */

.site-footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  background: #040707;
}

.footer-inner {
  padding: 1.4rem 1.6rem 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* RESPONSIVO */

@media (max-width: 900px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .header-actions .btn.full-mobile {
    width: 100%;
  }

  .donations-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .card {
    padding: 1.4rem 1.3rem 1.4rem;
  }

  .qr-wrapper img {
    width: 130px;
  }
}

@media (max-width: 520px) {
  .brand {
    align-items: center;
  }

  .brand-logo {
    width: 38px;
    height: 38px;
  }

  .brand-tagline {
    max-width: 220px;
  }

  .hero-copy h1 {
    font-size: 1.7rem;
  }

  .section {
    padding: 3.2rem 0;
  }
}
