/* ============================================
   DONATE PAGE — Ektai.org
   ============================================ */

.donate-intro {
    padding: 6rem 0;
    text-align: center;
}

.donate-intro .intro-text {
    max-width: 700px;
    margin: 0 auto 3rem;
    font-size: 1.15rem;
}

/* Ripple Calculator */
.ripple-calculator-section {
    background: var(--bg-deep);
    padding: 6rem 0;
}

.calculator-card {
    max-width: 700px;
    margin: 0 auto;
    padding: 3rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
}

.calculator-card h3 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.calc-input-group {
    margin-bottom: 2rem;
}

.calc-input-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.calc-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.calc-currency {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold);
}

.calc-input {
    flex: 1;
    padding: 1rem 1.5rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    outline: none;
    transition: all var(--transition-fast);
}

.calc-input:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px var(--gold-glow);
}

.calc-frequency {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.calc-freq-btn {
    flex: 1;
    padding: 0.75rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.calc-freq-btn:hover {
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--text-secondary);
}

.calc-freq-btn.active {
    border-color: var(--gold);
    background: rgba(244, 162, 97, 0.1);
    color: var(--gold);
}

.calc-result {
    padding: 2rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-glass);
    text-align: center;
    margin-bottom: 2rem;
}

.calc-result h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.calc-result .result-impact {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.5;
}

.calc-result .result-highlight {
    color: var(--gold);
    font-size: 1.5rem;
}

.calc-submit {
    width: 100%;
}

/* Donation Tiers */
.donation-tiers-section {
    padding: 6rem 0;
}

.tier-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.tier-card {
    padding: 2.5rem 2rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-smooth);
    position: relative;
}

.tier-card.popular {
    border-color: var(--gold);
    background: rgba(244, 162, 97, 0.05);
}

.tier-card.popular::before {
    content: '★ MOST IMPACT';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.3rem 1.2rem;
    background: var(--gradient-gold);
    border-radius: var(--radius-pill);
    font-size: 0.7rem;
    font-weight: 700;
    color: #1a0a0a;
    letter-spacing: 0.08em;
    white-space: nowrap;
}

.tier-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-elevated);
}

.tier-emoji {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.tier-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.tier-amount {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.tier-period {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.tier-features {
    text-align: left;
    margin-bottom: 2rem;
}

.tier-features li {
    padding: 0.5rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tier-features .check-icon {
    color: var(--teal);
    font-weight: 700;
}

/* Donate Form */
.donate-form-section {
    background: var(--bg-deep);
    padding: 6rem 0;
}

.donate-form-card {
    max-width: 600px;
    margin: 0 auto;
    padding: 3rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
}

.donate-form-card .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

/* Payment methods */
.payment-methods {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.payment-method {
    padding: 0.75rem 1.5rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.payment-method:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.payment-method.active {
    border-color: var(--violet);
    background: rgba(155, 93, 229, 0.1);
    color: var(--violet);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .tier-grid {
        grid-template-columns: 1fr;
    }

    .calculator-card {
        padding: 2rem;
        margin: 0 1rem;
    }

    .donate-form-card {
        margin: 0 1rem;
        padding: 2rem;
    }

    .donate-form-card .form-row {
        grid-template-columns: 1fr;
    }

    .calc-frequency {
        flex-wrap: wrap;
    }
}