:root {
    --bg-primary: #0d0a0f;
    --bg-secondary: #1a1018;
    --blood-dark: #3a0a0a;
    --blood-red: #b31212;
    --blood-glow: #ff2a2a;
    --text-light: #f0e6e6;
    --text-muted: #a08282;
    --border-glow: #4a1515;
}

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

body {
    background: var(--bg-primary);
    background-image: 
        radial-gradient(ellipse at 20% 50%, rgba(120, 20, 20, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 50%, rgba(120, 20, 20, 0.10) 0%, transparent 60%);
    font-family: 'Segoe UI', 'Roboto', system-ui, sans-serif;
    color: var(--text-light);
    min-height: 100vh;
}

/* ===== КАРТОЧКА ТОВАРА ===== */
.donate-card {
    background: var(--bg-secondary);
    border: 1px solid var(--blood-dark);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

/* Свечение по краям */
.donate-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(135deg, var(--blood-red), transparent 40%, transparent 60%, var(--blood-red));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.3;
    transition: opacity 0.4s;
}

.donate-card:hover {
    transform: translateY(-6px) scale(1.01);
    border-color: var(--blood-red);
    box-shadow: 0 12px 48px rgba(179, 18, 18, 0.25), 0 0 60px rgba(179, 18, 18, 0.05);
}

.donate-card:hover::before {
    opacity: 0.8;
}

/* ===== КНОПКИ ===== */
.btn-donate {
    background: linear-gradient(135deg, var(--blood-dark), #2a0808);
    color: var(--text-light);
    border: 1px solid var(--blood-red);
    border-radius: 10px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-shadow: 0 0 8px rgba(255, 42, 42, 0.3);
}

.btn-donate::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--blood-red), #ff4444);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-donate:hover {
    transform: scale(1.04);
    box-shadow: 0 0 30px rgba(179, 18, 18, 0.4), inset 0 0 30px rgba(179, 18, 18, 0.1);
    border-color: #ff4444;
}

.btn-donate:hover::after {
    opacity: 0.15;
}

.btn-donate:active {
    transform: scale(0.96);
}

/* ===== ЗАГОЛОВКИ ===== */
.title-blood {
    font-size: 42px;
    font-weight: 900;
    background: linear-gradient(135deg, #ff2a2a, #8b0000, #ff2a2a);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    animation: bloodPulse 3s ease-in-out infinite;
    letter-spacing: 2px;
}

@keyframes bloodPulse {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ===== ПОЛОСА ПРОГРЕССА (для целей) ===== */
.progress-blood {
    width: 100%;
    height: 8px;
    background: #1a0a0a;
    border-radius: 999px;
    overflow: hidden;
    border: 1px solid #2a0a0a;
}

.progress-blood-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #5a0a0a, var(--blood-red), #ff4444);
    box-shadow: 0 0 20px rgba(179, 18, 18, 0.4);
    animation: progressGlow 2s ease-in-out infinite;
}

@keyframes progressGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(179, 18, 18, 0.4); }
    50% { box-shadow: 0 0 40px rgba(255, 42, 42, 0.6); }
}