@import url('./common.css');

/* ============================================
   Hero / Page Header
============================================ */
#promo_hero {
    padding: clamp(120px, 14vw, 200px) clamp(16px, 12vw, 350px) clamp(40px, 5vw, 70px);
    display: flex;
    flex-direction: column;
    gap: clamp(10px, 1.5vw, 18px);
}


#promo_hero h2 {
    font-size: clamp(30px, 5vw, 72px);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--black);
    line-height: 1.1;
}

.promo_desc {
    font-size: clamp(13px, 1.2vw, 17px);
    font-weight: 300;
    color: rgba(18, 18, 18, 0.55);
    line-height: 1.8;
    max-width: 520px;
}

/* ============================================
   Filter Tabs
============================================ */
#promo_filter {
    padding: 0 clamp(16px, 12vw, 350px) clamp(30px, 4vw, 50px);
}

.filter_tabs {
    display: flex;
    gap: clamp(8px, 1.2vw, 14px);
    flex-wrap: wrap;
}

.tab_btn {
    padding: clamp(7px, 1vw, 10px) clamp(18px, 2.5vw, 30px);
    border: 1.5px solid rgba(18, 18, 18, 0.15);
    border-radius: 50px;
    background: transparent;
    font-family: var(--main_font);
    font-size: clamp(11px, 1vw, 14px);
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(18, 18, 18, 0.5);
    cursor: pointer;
    transition: all 0.22s ease;
}

.tab_btn:hover {
    border-color: var(--bookink2);
    color: var(--bookink2);
}

.tab_btn.active {
    background: var(--bookink2);
    border-color: var(--bookink2);
    color: #fff;
}

/* ============================================
   Promo Grid
============================================ */
#promo_grid {
    padding: 0 clamp(16px, 12vw, 350px) clamp(60px, 8vw, 120px);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(16px, 2.5vw, 32px);
}

/* ============================================
   Promo Card
============================================ */
.promo_card {
    position: relative;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(18, 18, 18, 0.08);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(87, 122, 115, 0.07);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
    opacity: 0;
    transform: translateY(16px);
}

.promo_card.visible {
    opacity: 1;
    transform: translateY(0);
}

.promo_card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 48px rgba(87, 122, 115, 0.14);
}

/* Badge */
.card_badge {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
    padding: 4px 10px;
    border-radius: 50px;
    text-transform: uppercase;
}

.badge_hot {
    background: var(--bookink3);
    color: #fff;
}

.badge_new {
    background: var(--bookink3);
    color: #fff;
}

/* Image */
.card_img {
    width: 100%;
    overflow: hidden;
    flex-shrink: 0;
}

.card_img img {
    width: 100%;
    aspect-ratio: 2/1;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.promo_card:hover .card_img img {
    transform: scale(1.04);
}

/* Body */
.card_body {
    padding: clamp(18px, 2.5vw, 28px);
    display: flex;
    flex-direction: column;
    gap: clamp(10px, 1.2vw, 14px);
    flex: 1;
}

.card_tag {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--bookink1);
}

.card_title {
    font-size: clamp(16px, 1.8vw, 22px);
    font-weight: 700;
    color: var(--black);
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.card_desc {
    font-size: clamp(12px, 1vw, 14px);
    font-weight: 300;
    color: rgba(18, 18, 18, 0.55);
    line-height: 1.75;
}

/* Includes list */
.card_includes {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 2px;
}

.card_includes li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: clamp(11px, 0.95vw, 13px);
    font-weight: 400;
    color: rgba(18, 18, 18, 0.65);
}

.card_includes li i {
    color: var(--bookink2);
    font-size: 10px;
    flex-shrink: 0;
}

/* Price */
.card_price_wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: clamp(8px, 1vw, 12px);
    border-top: 1px solid rgba(18, 18, 18, 0.07);
}

.card_price_original {
    font-size: clamp(12px, 1vw, 14px);
    font-weight: 400;
    color: rgba(18, 18, 18, 0.35);
    text-decoration: line-through;
}

.card_price {
    font-size: clamp(18px, 2vw, 26px);
    font-weight: 700;
    color: var(--black);
    letter-spacing: -0.01em;
}

.card_discount {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #fff;
    background: var(--bookink3);
    padding: 3px 8px;
    border-radius: 50px;
    text-transform: uppercase;
}

/* CTA Button */
.card_btn {
    display: block;
    text-align: center;
    padding: clamp(10px, 1.3vw, 13px);
    background: var(--bookink2);
    color: #fff;
    border-radius: 8px;
    font-size: clamp(12px, 1vw, 14px);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: background 0.2s ease;
    margin-top: 4px;
}

.card_btn:hover {
    background: var(--bookink3);
}

/* ============================================
   Responsive
============================================ */
.promo_empty {
    grid-column: 1 / -1;
    text-align: start;
    color: #aaa;
    font-size: 1rem;
    padding: 16px 0;
    font-weight: 400;
}

@media (max-width: 1100px) {
    #promo_grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    #promo_hero {
        padding-left: clamp(12px, 5vw, 48px);
        padding-right: clamp(12px, 5vw, 48px);
    }

    #promo_filter,
    #promo_grid {
        padding-left: clamp(12px, 5vw, 48px);
        padding-right: clamp(12px, 5vw, 48px);
    }
}

@media (max-width: 680px) {
    #promo_grid {
        grid-template-columns: 1fr;
    }

    #promo_hero {
        padding-top: clamp(100px, 18vw, 140px);
    }

    .filter_tabs {
        gap: 8px;
    }
}

@media (max-width: 480px) {
    #promo_hero {
        padding-left: 12px;
        padding-right: 12px;
    }

    #promo_filter,
    #promo_grid {
        padding-left: 12px;
        padding-right: 12px;
    }
}