/* ========================================
   Promo Banner - DOMIN8 (https://magic.cur8.fun/)
   Navy & gold card-game style matching the DOMIN8 UI.
   Assets: frontend/images/promo/domin8/
   ======================================== */

.promo-banner {
    --m8-gold: #e2b65c;
    --m8-gold-light: #fff1c2;
    --m8-gold-dark: #9a6420;
    --m8-line: rgba(201, 162, 74, 0.55);
    --m8-navy: #0a1430;
    --m8-navy-deep: #050a1c;
    --m8-text: #c9d3ea;
    --m8-select: #7cc4ff;
    --m8-corner: 86px;

    position: relative;
    display: grid;
    grid-template-columns: 250px 1fr 240px;
    align-items: center;
    gap: var(--spacing-lg);
    min-height: 190px;
    margin-bottom: var(--spacing-md);
    padding: 22px 56px 22px 40px;
    border: 1px solid #b8893a;
    border-radius: 12px;
    background:
        radial-gradient(ellipse at 22% 10%, rgba(80, 110, 190, 0.28) 0%, transparent 55%),
        radial-gradient(ellipse at 78% 95%, rgba(70, 90, 170, 0.22) 0%, transparent 55%),
        radial-gradient(ellipse at 50% 50%, rgba(226, 182, 92, 0.06) 0%, transparent 60%),
        linear-gradient(180deg, #0d1834 0%, var(--m8-navy-deep) 100%);
    box-shadow:
        inset 0 0 0 5px var(--m8-navy),
        inset 0 0 0 6px var(--m8-line),
        0 10px 30px rgba(0, 0, 0, 0.5);
    color: #fff;
    text-decoration: none;
    overflow: hidden;
    isolation: isolate;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.promo-banner:hover {
    transform: translateY(-2px);
    box-shadow:
        inset 0 0 0 5px var(--m8-navy),
        inset 0 0 0 6px rgba(226, 182, 92, 0.9),
        0 14px 40px rgba(0, 0, 0, 0.6),
        0 0 28px rgba(226, 182, 92, 0.18);
}

.promo-banner:focus-visible {
    outline: 2px solid var(--m8-select);
    outline-offset: 3px;
}

/* Gold light sweep */
.promo-banner::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 42%, rgba(255, 225, 160, 0.10) 50%, transparent 58%);
    transform: translateX(-100%);
    animation: m8-sweep 7s ease-in-out infinite;
    pointer-events: none;
    z-index: 3;
}

/* ---------- Starfield ---------- */
.m8-stars,
.m8-stars::before {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: -1;
}

.m8-stars {
    background-image:
        radial-gradient(1.5px 1.5px at 6% 30%, #fff 50%, transparent 51%),
        radial-gradient(1px 1px at 18% 85%, #fff 50%, transparent 51%),
        radial-gradient(1px 1px at 31% 14%, #fff 50%, transparent 51%),
        radial-gradient(1.5px 1.5px at 44% 88%, #ffe9b0 50%, transparent 51%),
        radial-gradient(1px 1px at 57% 22%, #fff 50%, transparent 51%),
        radial-gradient(1px 1px at 69% 70%, #fff 50%, transparent 51%),
        radial-gradient(1.5px 1.5px at 83% 18%, #fff 50%, transparent 51%),
        radial-gradient(1px 1px at 94% 62%, #fff 50%, transparent 51%);
    opacity: 0.7;
    animation: m8-twinkle 3.2s ease-in-out infinite;
}

.m8-stars::before {
    content: '';
    background-image:
        radial-gradient(1px 1px at 12% 58%, #fff 50%, transparent 51%),
        radial-gradient(1.5px 1.5px at 25% 40%, #fff 50%, transparent 51%),
        radial-gradient(1px 1px at 38% 72%, #fff 50%, transparent 51%),
        radial-gradient(1px 1px at 51% 8%, #ffe9b0 50%, transparent 51%),
        radial-gradient(1.5px 1.5px at 63% 92%, #fff 50%, transparent 51%),
        radial-gradient(1px 1px at 76% 44%, #fff 50%, transparent 51%),
        radial-gradient(1px 1px at 89% 88%, #fff 50%, transparent 51%);
    animation: m8-twinkle 3.2s ease-in-out 1.6s infinite;
}

/* ---------- Gold corner flourishes ---------- */
.m8-corner {
    position: absolute;
    width: var(--m8-corner);
    aspect-ratio: 240 / 215;
    background: url('../images/promo/domin8/corner.png') no-repeat top left / contain;
    pointer-events: none;
    z-index: 1;
    filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.6));
}

.m8-corner--tl { top: 8px; left: 8px; }
.m8-corner--tr { top: 8px; right: 8px; transform: scaleX(-1); }
.m8-corner--bl { bottom: 8px; left: 8px; transform: scaleY(-1); }
.m8-corner--br { bottom: 8px; right: 8px; transform: scale(-1, -1); }

/* ---------- Fanned cards ---------- */
.m8-fan {
    --cw: 84px;
    --ch: 120px;
    --spread: 11deg;

    position: relative;
    z-index: 2;
    width: 100%;
    height: calc(var(--ch) + 22px);
}

.m8-card {
    --r: 0;
    --fc: #8fa3bf;
    --fc-dark: #1d2636;

    position: absolute;
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 4px;
    border: 2px solid var(--fc);
    background: linear-gradient(180deg, var(--fc-dark) 0%, #0b0f1a 100%);
    left: 50%;
    bottom: 4px;
    width: var(--cw);
    height: var(--ch);
    margin-left: calc(var(--cw) / -2);
    border-radius: 7px;
    transform-origin: 50% 200%;
    transform: rotate(calc(var(--r) * var(--spread)));
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.6);
    transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.3, 1.2);
}

/* --r = position in the fan, --fc = faction frame colour */
.m8-card--back {
    --r: -2;
    --fc: #c9a24a;

    background: url('../images/promo/domin8/card-back.jpg') center / cover;
}

.m8-card--ember   { --r: -1; --fc: #c4532d; --fc-dark: #3a140c; }
.m8-card--verdant { --r: 1;  --fc: #3f9b4a; --fc-dark: #10301a; }
.m8-card--shadow  { --r: 2;  --fc: #8a4fc4; --fc-dark: #261238; }

/* Center card: gold frame, on top */
.m8-card--iron {
    --fc: var(--m8-gold);

    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.7), 0 0 14px rgba(226, 182, 92, 0.45);
}

.promo-banner:hover .m8-fan {
    --spread: 15deg;
}

.promo-banner:hover .m8-card--iron {
    transform: translateY(-8px);
}

.m8-card-art {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border: 1px solid rgba(226, 182, 92, 0.7);
    border-radius: 3px;
}

/* Placeholder rules text */
.m8-card-text {
    flex: 1;
    border-radius: 2px;
    background:
        linear-gradient(rgba(255, 255, 255, 0.28), rgba(255, 255, 255, 0.28)) 4px 5px / 80% 2px no-repeat,
        linear-gradient(rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.22)) 4px 10px / 64% 2px no-repeat,
        rgba(0, 0, 0, 0.35);
}

.m8-card-cost,
.m8-gem {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: calc(var(--cw) * 0.25);
    height: calc(var(--cw) * 0.25);
    border-radius: 50%;
    border: 1px solid var(--m8-gold-light);
    color: #fff;
    font: 700 calc(var(--cw) * 0.15) / 1 'Cinzel', Georgia, serif;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.9);
}

.m8-card-cost {
    top: -5px;
    left: -5px;
    background: radial-gradient(circle at 35% 30%, #8fb4ff, #2a54b8);
}

.m8-gem {
    bottom: -5px;
}

.m8-gem--atk {
    left: -5px;
    background: radial-gradient(circle at 35% 30%, #ffb07a, #c4471d);
}

.m8-gem--hp {
    right: -5px;
    background: radial-gradient(circle at 35% 30%, #9ef0a6, #2c8a3d);
}

/* ---------- Text ---------- */
.m8-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 0;
    text-align: center;
}

.m8-kicker {
    color: var(--m8-gold);
    font: 700 0.72rem / 1 'Cinzel', Georgia, serif;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    white-space: nowrap;
}

.m8-title {
    margin-top: 4px;
    /* Same face as the DOMIN8 logo (New Rocker, SIL OFL) */
    font: 400 3.4rem / 1 'New Rocker', 'Palatino Linotype', Georgia, serif;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    background: linear-gradient(180deg, #fff6dc 0%, #f7d9a0 30%, #e9a752 55%, #c06a24 78%, #7a3a10 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    -webkit-text-stroke: 1px #3b1d07;
    filter:
        drop-shadow(0 2px 0 #1e0f03)
        drop-shadow(0 0 12px rgba(233, 167, 82, 0.35));
}

.m8-divider {
    display: block;
    width: 160px;
    max-width: 100%;
    height: auto;
    margin: 2px 0 6px;
}

.m8-tagline {
    color: var(--m8-text);
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1.35;
    text-wrap: balance;
}

/* ---------- CTA (same frame as the in-game menu buttons) ---------- */
.m8-cta {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 230px;
    height: 66px;
    padding: 0 8px;
    border-style: solid;
    border-width: 6px 54px;
    border-image: url('../images/promo/domin8/frame-button.png') 14 125 fill / 6px 54px stretch;
    border-radius: 12px;
    color: #f4d58d;
    font: 700 1.25rem / 1 'Cinzel', Georgia, serif;
    letter-spacing: 0.06em;
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.9);
    animation: m8-select 2.4s ease-in-out infinite;
    transition: transform 0.2s ease, color 0.2s ease;
}

.promo-banner:hover .m8-cta {
    color: #fff;
    transform: scale(1.04);
}

/* ---------- CTA column + "Powered by" partner logos ---------- */
.m8-side {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

/* Discreet: monochrome soft-gold logos, no badges */
.m8-partners {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 6px 0;
    opacity: 0.7;
    transition: opacity 0.25s ease;
}

.promo-banner:hover .m8-partners {
    opacity: 1;
}

/* "— Powered by —" between hairlines */
.m8-partners-label {
    display: flex;
    flex-basis: 100%;
    align-items: center;
    gap: 8px;
    color: #e2c58a;
    font: 700 0.56rem / 1 'Cinzel', Georgia, serif;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.m8-partners-label::before,
.m8-partners-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(226, 197, 138, 0.6));
}

.m8-partners-label::after {
    background: linear-gradient(90deg, rgba(226, 197, 138, 0.6), transparent);
}

.m8-partner {
    display: flex;
    align-items: center;
    gap: 4px;
    color: #e2c58a;
    font: 700 0.58rem / 1 'Cinzel', Georgia, serif;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

/* Tiny diamond separator between partners */
.m8-partner + .m8-partner::before {
    content: '';
    width: 3px;
    height: 3px;
    margin: 0 7px;
    background: rgba(226, 197, 138, 0.6);
    transform: rotate(45deg);
}

.m8-partner img {
    width: 16px;
    height: 16px;
}

/* ---------- Tablet ---------- */
@media (max-width: 900px) {
    .promo-banner {
        --m8-corner: 70px;

        grid-template-columns: 180px 1fr 210px;
        gap: var(--spacing-md);
        min-height: 160px;
        padding: 18px 40px 18px 24px;
    }

    .m8-fan {
        --cw: 66px;
        --ch: 94px;
        --spread: 8deg;
    }

    .m8-title {
        font-size: 2.8rem;
    }

    .m8-divider {
        width: 130px;
    }

    .m8-tagline {
        font-size: 0.82rem;
    }

    .m8-partner {
        font-size: 0.54rem;
        letter-spacing: 0.02em;
    }

    .m8-partner + .m8-partner::before {
        margin: 0 5px;
    }

    .m8-cta {
        min-width: 180px;
        height: 56px;
        border-width: 5px 45px;
        border-image-width: 5px 45px;
        font-size: 1.05rem;
    }
}

/* ---------- Phone: fan + text on top, full-width CTA below ---------- */
@media (max-width: 600px) {
    .promo-banner {
        --m8-corner: 54px;

        grid-template-columns: 118px 1fr;
        gap: 10px 12px;
        min-height: 0;
        padding: 16px 16px 16px 10px;
        border-radius: 10px;
    }

    .m8-fan {
        --cw: 46px;
        --ch: 66px;
        --spread: 9deg;
    }

    .m8-card {
        gap: 2px;
        padding: 2px;
        border-width: 1.5px;
        border-radius: 5px;
    }

    .m8-card-cost,
    .m8-gem {
        top: auto;
        width: 12px;
        height: 12px;
        font-size: 0.45rem;
    }

    .m8-card-cost {
        top: -4px;
        left: -4px;
    }

    .m8-gem {
        bottom: -4px;
    }

    .m8-gem--atk { left: -4px; }
    .m8-gem--hp { right: -4px; }

    .m8-kicker {
        font-size: 0.58rem;
        letter-spacing: 0.16em;
    }

    .m8-title {
        font-size: 2.2rem;
    }

    .m8-divider {
        width: 104px;
        margin: 0 0 4px;
    }

    .m8-tagline {
        font-size: 0.74rem;
    }

    .m8-side {
        grid-column: 1 / -1;
        gap: 10px;
    }

    /* Keep the hairlines clear of the corner flourishes */
    .m8-partners {
        max-width: 250px;
    }

    .m8-partner {
        font-size: 0.6rem;
    }

    .m8-partner + .m8-partner::before {
        margin: 0 7px;
    }

    .m8-cta {
        width: 100%;
        min-width: 0;
        height: 52px;
        border-width: 5px 42px;
        border-image-width: 5px 42px;
        font-size: 1.05rem;
    }
}

@media (max-width: 360px) {
    .promo-banner {
        grid-template-columns: 96px 1fr;
    }

    .m8-fan {
        --cw: 38px;
        --ch: 54px;
    }

    .m8-title {
        font-size: 1.9rem;
    }
}

/* ---------- Animations ---------- */
@keyframes m8-twinkle {
    0%, 100% { opacity: 0.75; }
    50% { opacity: 0.25; }
}

@keyframes m8-sweep {
    0%, 65% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Light-blue glow like the selected button in the DOMIN8 menu */
@keyframes m8-select {
    0%, 100% { box-shadow: 0 0 0 0 rgba(124, 196, 255, 0), 0 0 0 rgba(124, 196, 255, 0); }
    50% { box-shadow: 0 0 0 2px rgba(124, 196, 255, 0.85), 0 0 18px rgba(124, 196, 255, 0.55); }
}

@media (prefers-reduced-motion: reduce) {
    .promo-banner,
    .promo-banner *,
    .promo-banner::after,
    .promo-banner *::before {
        animation: none !important;
        transition: none !important;
    }
}