:root {
  --bg: #0f1115;
  --bg-alt: #1a1d23;
  --text: #e5e7eb;
  --text-muted: #9ca3af;
  --accent: #ef4444;
  --accent-dark: #b91c1c;
  --card-bg: #1a1d23;
  --card-shadow: rgba(239, 68, 68, 0.25);
  --border: rgba(128,128,128,0.15);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', Arial, sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== НАВИГАЦИЯ ===== */
.navbar {
  position: sticky; top: 0;
  background: rgba(15,17,21,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 15px 30px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 15px;
  z-index: 1000;
}
.logo {
  font-weight: bold; font-size: 1.2rem;
  color: var(--accent); text-decoration: none;
  transition: transform .3s;
}
.logo:hover { transform: scale(1.05); }
.navbar ul {
  list-style: none; display: flex; gap: 6px; flex-wrap: wrap;
}
.navbar ul a {
  color: var(--text-muted); text-decoration: none;
  padding: 8px 14px; border-radius: 8px;
  transition: all .3s; font-size: .92rem;
}
.navbar ul a:hover {
  color: var(--text);
  background: var(--card-bg);
  transform: translateY(-2px);
}
.navbar ul a.active {
  color: #fff;
  background: var(--accent-dark);
}

/* ===== КОНТЕНТ ===== */
.content {
  padding: 80px 20px;
  max-width: 900px;
  margin: 0 auto;
  flex: 1;
  animation: fadeInUp .8s ease both;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.content h1 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  margin-bottom: 20px;
  color: var(--accent);
  text-align: center;
  animation: fadeInDown .8s ease both;
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
.content h2 {
  font-size: 1.5rem;
  margin: 40px 0 15px;
  color: var(--accent);
  padding-left: 15px;
  border-left: 4px solid var(--accent);
}
.content p {
  margin-bottom: 18px;
  color: var(--text-muted);
  font-size: 1.05rem;
}
.content ul { list-style: none; margin: 20px 0; }
.content ul li {
  padding: 12px 0 12px 40px;
  position: relative;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  transition: padding-left .3s, color .3s;
}
.content ul li:hover { padding-left: 50px; color: var(--accent); }
.content ul li::before {
  content: "▸";
  position: absolute; left: 10px;
  color: var(--accent); font-weight: bold;
  transition: transform .3s;
}
.content ul li:hover::before { transform: translateX(5px); }
.lead {
  text-align: center;
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 50px;
}
.back-btn {
  display: inline-block;
  margin: 40px auto 0;
  padding: 12px 30px;
  background: var(--accent-dark);
  color: #fff; border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
  transition: all .3s cubic-bezier(.34,1.56,.64,1);
}
.back-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 25px var(--card-shadow);
}
.center { text-align: center; }

/* ===== ФОРМА (для contacts) ===== */
.form-block {
  max-width: 600px;
  margin: 30px auto 0;
  background: var(--card-bg);
  padding: 40px 30px;
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}
.form-group { margin-bottom: 18px; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: transparent;
  border: 2px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: border-color .3s, box-shadow .3s, transform .3s;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--card-shadow);
  transform: translateY(-2px);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-submit {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: #fff;
  border: none;
  border-radius: 50px;
  font-weight: bold;
  font-size: 1.05rem;
  cursor: pointer;
  transition: all .3s cubic-bezier(.34,1.56,.64,1);
}
.form-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px var(--card-shadow);
}

/* ===== КАРТОЧКИ ДОНАТА ===== */
.donate-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 15px;
  margin: 35px 0 20px;
}
.amount-btn {
  padding: 22px 15px;
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: 16px;
  color: var(--text);
  font-size: 1.3rem;
  font-weight: 900;
  cursor: pointer;
  transition: all .3s cubic-bezier(.34,1.56,.64,1);
}
.amount-btn:hover {
  transform: translateY(-5px) scale(1.05);
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 15px 30px var(--card-shadow);
}
.amount-btn.selected {
  border-color: var(--accent);
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent);
}
.custom-input {
  width: 100%;
  padding: 15px 20px;
  background: transparent;
  border: 2px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 1.1rem;
  margin-bottom: 15px;
  outline: none;
  transition: border-color .3s, box-shadow .3s;
}
.custom-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--card-shadow);
}

/* ===== FOOTER ===== */
footer {
  background: #000;
  color: #9ca3af;
  text-align: center;
  padding: 30px 20px;
  font-size: .9rem;
  margin-top: auto;
}

@media (max-width: 640px) {
  .navbar { padding: 12px 15px; }
  .navbar ul a { padding: 6px 10px; font-size: .82rem; }
  .content { padding: 50px 15px; }
}