/* --- Hero --- */
.loyalty-hero {
    padding: 160px 24px 80px;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.loyalty-hero .label {
    margin-bottom: 16px;
}

.loyalty-hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text-heading);
    line-height: 1.15;
    margin-bottom: 20px;
}

.loyalty-hero p {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
}

.loyalty-hero__actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- How It Works --- */
.how-it-works {
    padding: var(--section-pad) 24px;
    background: var(--color-bg-alt);
}

.how-it-works__inner {
    max-width: var(--container-width);
    margin: 0 auto;
}

.how-it-works__header {
    text-align: center;
    margin-bottom: 56px;
}

.how-it-works__header h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text-heading);
    margin-bottom: 12px;
}

.how-it-works__header p {
    color: var(--color-text-secondary);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.6;
}

.how-it-works__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
}

.how-it-works__step {
    text-align: center;
    padding: 40px 28px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg, 12px);
    position: relative;
}

.how-it-works__icon {
    width: 56px;
    height: 56px;
    background: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.how-it-works__icon svg {
    width: 24px;
    height: 24px;
    stroke: #fff;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.how-it-works__num {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 10px;
}

.how-it-works__step h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text-heading);
    margin-bottom: 8px;
}

.how-it-works__step p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* --- Tier System --- */
.tiers {
    padding: var(--section-pad) 24px;
}

.tiers__inner {
    max-width: var(--container-width);
    margin: 0 auto;
}

.tiers__header {
    text-align: center;
    margin-bottom: 56px;
}

.tiers__header h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text-heading);
    margin-bottom: 12px;
}

.tiers__header p {
    color: var(--color-text-secondary);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.6;
}

.tiers__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.tier-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg, 12px);
    padding: 36px 28px;
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.tier-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.tier-card--featured {
    border-color: var(--color-accent);
}

.tier-card--featured::before {
    content: 'Most Popular';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-accent);
    color: #fff;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: center;
    padding: 6px 0;
}

.tier-card--featured {
    padding-top: 56px;
}

.tier-card__badge {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: var(--radius-pill, 100px);
    margin-bottom: 16px;
}

.tier-card__badge--bronze {
    background: #F5E6D3;
    color: #8B6914;
}

.tier-card__badge--silver {
    background: #E8E8E8;
    color: #555;
}

.tier-card__badge--gold {
    background: #FFF3CD;
    color: #856404;
}

.tier-card__badge--platinum {
    background: #E8EAF0;
    color: #2D3748;
}

.tier-card h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-text-heading);
    margin-bottom: 4px;
}

.tier-card__range {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.tier-card__benefits {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tier-card__benefits li {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    padding: 8px 0;
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.tier-card__benefits li svg {
    width: 16px;
    height: 16px;
    stroke: var(--color-accent);
    fill: none;
    stroke-width: 2.5;
    flex-shrink: 0;
    margin-top: 1px;
}

/* --- Points Calculator --- */
.calculator {
    padding: var(--section-pad) 24px;
    background: var(--color-bg-alt);
}

.calculator__inner {
    max-width: 640px;
    margin: 0 auto;
}

.calculator__header {
    text-align: center;
    margin-bottom: 40px;
}

.calculator__header h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text-heading);
    margin-bottom: 12px;
}

.calculator__header p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.calculator__card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg, 12px);
    padding: 40px;
}

.calc-field {
    margin-bottom: 24px;
}

.calc-field label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-heading);
    margin-bottom: 8px;
}

.calc-field select,
.calc-field input {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.9375rem;
    font-family: var(--font-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md, 8px);
    background: var(--color-bg);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.calc-field select:focus,
.calc-field input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.calc-result {
    margin-top: 32px;
    padding: 28px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-md, 8px);
    text-align: center;
    display: none;
}

.calc-result.visible {
    display: block;
}

.calc-result__points {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text-heading);
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 4px;
}

.calc-result__label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    margin-bottom: 16px;
}

.calc-result__tier {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: var(--radius-pill, 100px);
    background: var(--color-accent);
    color: #fff;
}

.calc-result__progress {
    margin-top: 16px;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* --- FAQ --- */
.faq {
    padding: var(--section-pad) 24px;
}

.faq__inner {
    max-width: 720px;
    margin: 0 auto;
}

.faq__header {
    text-align: center;
    margin-bottom: 48px;
}

.faq__header h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text-heading);
    margin-bottom: 12px;
}

.faq__header p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item:first-child {
    border-top: 1px solid var(--color-border);
}

.faq-item__q {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 0;
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: var(--font-primary);
    color: var(--color-text-heading);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    gap: 16px;
}

.faq-item__q:hover {
    color: var(--color-accent);
}

.faq-item__q svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    transition: transform 0.25s ease;
}

.faq-item.open .faq-item__q svg {
    transform: rotate(45deg);
}

.faq-item__a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-item__a {
    max-height: 300px;
    padding-bottom: 20px;
}

.faq-item__a p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* --- CTA --- */
.loyalty-cta {
    padding: var(--section-pad) 24px;
    background: var(--color-accent);
    text-align: center;
}

.loyalty-cta__inner {
    max-width: 600px;
    margin: 0 auto;
}

.loyalty-cta h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.loyalty-cta p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 32px;
}

.loyalty-cta .btn--white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    background: #fff;
    border: none;
    border-radius: var(--radius-pill, 100px);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.loyalty-cta .btn--white:hover {
    opacity: 0.9;
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .tiers__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .how-it-works__grid {
        grid-template-columns: 1fr;
    }

    .tiers__grid {
        grid-template-columns: 1fr;
    }

    .calculator__card {
        padding: 28px 20px;
    }
}