/* ============================================================
   SARANYA PRAKASHAN — BRAND DESIGN SYSTEM
   Premium publishing / bookstore theme.
   Loaded AFTER style.css and the dynamic :root override block,
   so these rules intentionally win where they overlap.
   ============================================================ */

:root {
    --sp-navy:        #0a192f;
    --sp-navy-soft:   #10233f;
    --sp-green:       #1b4332;
    --sp-green-soft:  #235340;
    --sp-gold:        #d4a017;
    --sp-gold-light:  #e6b93a;
    --sp-gold-dark:   #b3860f;
    --sp-bg:          #f8f9fa;
    --sp-card:        #ffffff;
    --sp-text:        #2b2d42;
    --sp-muted:       #6c757d;
    --sp-border:      #e9ecef;
    --sp-shadow:      0 4px 24px rgba(10,25,47,.08);
    --sp-shadow-lg:   0 20px 50px rgba(10,25,47,.14);
}

body { background: var(--sp-bg); color: var(--sp-text); }

/* ---------- Typography helpers ---------- */
.sp-heading { font-family: 'Playfair Display', 'Manrope', serif; letter-spacing: -0.01em; }
.sp-eyebrow {
    display: inline-flex; align-items: center; gap: .5rem;
    font-size: .72rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase;
    color: var(--sp-gold-dark);
}
.sp-eyebrow::before {
    content: ''; width: 22px; height: 2px; background: var(--sp-gold); display: inline-block;
}

/* ---------- Buttons ---------- */
.btn-sp {
    display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
    font-weight: 700; font-size: .875rem; letter-spacing: .01em;
    padding: .8rem 1.7rem; border-radius: .8rem;
    border: 2px solid transparent; cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
    white-space: nowrap;
}
.btn-sp:active { transform: translateY(1px) scale(.99); }

/* Gold = highlighted / primary purchase actions (Buy Now, Checkout, Place Order) */
.btn-sp-gold {
    background: linear-gradient(135deg, var(--sp-gold-light), var(--sp-gold) 60%, var(--sp-gold-dark));
    color: #1a1200;
    box-shadow: 0 8px 20px rgba(212,160,23,.35);
}
.btn-sp-gold:hover { box-shadow: 0 12px 28px rgba(212,160,23,.48); transform: translateY(-2px); }

/* Navy = primary structural/navigation action */
.btn-sp-navy {
    background: var(--sp-navy); color: #fff;
    box-shadow: 0 8px 20px rgba(10,25,47,.25);
}
.btn-sp-navy:hover { background: var(--sp-navy-soft); box-shadow: 0 12px 28px rgba(10,25,47,.35); transform: translateY(-2px); }

/* Green = secondary supportive action */
.btn-sp-green {
    background: var(--sp-green); color: #fff;
    box-shadow: 0 8px 20px rgba(27,67,50,.25);
}
.btn-sp-green:hover { background: var(--sp-green-soft); transform: translateY(-2px); }

/* Outline variants */
.btn-sp-outline-navy { background: transparent; color: var(--sp-navy); border-color: var(--sp-navy); }
.btn-sp-outline-navy:hover { background: var(--sp-navy); color: #fff; transform: translateY(-2px); }
.btn-sp-outline-gold { background: transparent; color: var(--sp-gold-dark); border-color: var(--sp-gold); }
.btn-sp-outline-gold:hover { background: var(--sp-gold); color: #1a1200; transform: translateY(-2px); }

.btn-sp-ghost { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.25); }
.btn-sp-ghost:hover { background: rgba(255,255,255,.16); }

.btn-sp:disabled, .btn-sp[disabled] { opacity: .55; cursor: not-allowed; transform: none !important; }
.btn-sp-block { width: 100%; }
.btn-sp-sm { padding: .55rem 1.1rem; font-size: .8rem; border-radius: .65rem; }

/* ---------- Cards ---------- */
.sp-card {
    background: var(--sp-card);
    border: 1px solid var(--sp-border);
    border-radius: 1.1rem;
    box-shadow: var(--sp-shadow);
    transition: transform .28s cubic-bezier(.2,.7,.3,1), box-shadow .28s ease, border-color .28s ease;
}
.sp-card:hover { transform: translateY(-6px); box-shadow: var(--sp-shadow-lg); border-color: rgba(212,160,23,.35); }

/* Book card */
.sp-book-card { position: relative; overflow: hidden; display: flex; flex-direction: column; height: 100%; }
.sp-book-cover { position: relative; overflow: hidden; background: linear-gradient(160deg, var(--sp-navy), var(--sp-green)); }
.sp-book-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s cubic-bezier(.2,.7,.3,1); }
.sp-book-card:hover .sp-book-cover img { transform: scale(1.07); }
.sp-book-cover::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(10,25,47,.55) 0%, transparent 45%);
    opacity: 0; transition: opacity .3s ease;
}
.sp-book-card:hover .sp-book-cover::after { opacity: 1; }
.sp-book-badge {
    position: absolute; top: .7rem; left: .7rem; z-index: 2;
    background: var(--sp-gold); color: #1a1200; font-size: .65rem; font-weight: 800;
    padding: .3rem .6rem; border-radius: .5rem; letter-spacing: .04em; text-transform: uppercase;
    box-shadow: 0 4px 10px rgba(212,160,23,.4);
}
.sp-quick-add {
    position: absolute; bottom: .7rem; right: .7rem; z-index: 2;
    width: 2.5rem; height: 2.5rem; border-radius: 50%;
    background: #fff; color: var(--sp-navy);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 6px 16px rgba(0,0,0,.25);
    opacity: 0; transform: translateY(8px);
    transition: opacity .25s ease, transform .25s ease, background-color .2s, color .2s;
}
.sp-book-card:hover .sp-quick-add { opacity: 1; transform: translateY(0); }
.sp-quick-add:hover { background: var(--sp-gold); color: #1a1200; }

/* ---------- Section helpers ---------- */
.sp-section-navy { background: var(--sp-navy); color: #fff; }
.sp-section-green { background: var(--sp-green); color: #fff; }
.sp-divider-gold { width: 60px; height: 3px; background: var(--sp-gold); border-radius: 3px; }

/* ---------- Animations ---------- */
@keyframes sp-fade-up { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }
[data-sp-reveal] { opacity: 0; }
[data-sp-reveal].in { animation: sp-fade-up .7s cubic-bezier(.2,.7,.3,1) forwards; }
[data-sp-reveal].in.d1 { animation-delay: .08s; }
[data-sp-reveal].in.d2 { animation-delay: .16s; }
[data-sp-reveal].in.d3 { animation-delay: .24s; }
[data-sp-reveal].in.d4 { animation-delay: .32s; }

@keyframes sp-pop { 0% { transform: scale(1); } 35% { transform: scale(1.35); } 100% { transform: scale(1); } }
.sp-pop { animation: sp-pop .4s ease; }

@keyframes sp-shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
.sp-shimmer { background: linear-gradient(90deg, var(--sp-gold-dark), var(--sp-gold-light), var(--sp-gold-dark)); background-size: 200% 100%; animation: sp-shimmer 3s linear infinite; }

/* ---------- Cart badge ---------- */
.sp-cart-badge {
    position: absolute; top: -6px; right: -8px;
    min-width: 19px; height: 19px; padding: 0 4px;
    background: var(--sp-gold); color: #1a1200;
    border-radius: 999px; font-size: .68rem; font-weight: 800;
    display: flex; align-items: center; justify-content: center;
    border: 2px solid #fff;
}

/* ---------- Forms ---------- */
.sp-input, .sp-select, .sp-textarea {
    width: 100%; padding: .8rem 1rem; border-radius: .7rem;
    border: 1.5px solid var(--sp-border); background: #fff; font-size: .9rem; color: var(--sp-text);
    transition: border-color .18s ease, box-shadow .18s ease;
}
.sp-input:focus, .sp-select:focus, .sp-textarea:focus {
    outline: none; border-color: var(--sp-gold); box-shadow: 0 0 0 4px rgba(212,160,23,.15);
}
.sp-label { display: block; font-size: .72rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; color: var(--sp-muted); margin-bottom: .4rem; }

/* ---------- Price tag ---------- */
.sp-price { font-family: 'Manrope', sans-serif; font-weight: 800; color: var(--sp-navy); }
.sp-price-gold { color: var(--sp-gold-dark); }

/* ---------- Misc hover lift for generic elements ---------- */
.sp-hover-lift { transition: transform .25s ease, box-shadow .25s ease; }
.sp-hover-lift:hover { transform: translateY(-4px); }

/* ---------- Toast (brand-colored variant) ---------- */
.sp-toast-success { background: var(--sp-green) !important; }
.sp-toast-cart     { background: var(--sp-navy) !important; }

/* ---------- Responsive niceties ---------- */
@media (max-width: 640px) {
    .btn-sp { padding: .7rem 1.3rem; font-size: .82rem; }
    .sp-book-cover { aspect-ratio: 2/3; }
}