:root {
    --bv-blue: #1a6fb5;
    --bv-blue-deep: #0f4f86;
    --bv-sky: #2ea3d6;
    --bv-yellow: #f0c84a;
    --bv-crane: #f5c518;
    --bv-crane-dark: #d4a40a;
    --bv-red: #e2554a;
    --bv-green: #3cb371;
    --bv-timber: #c48a3a;
    --bv-ink: #1c2a38;
    --bv-muted: #5b6b7c;
    --bv-line: #d7e0ea;
    --bv-paper: #f4f7fb;
    --bv-white: #ffffff;
    --bv-shadow: 0 14px 36px rgba(15, 79, 134, 0.12);
    --bv-radius: 18px;
    --bv-max: 1200px;
    --font-display: "Outfit", sans-serif;
    --font-body: "Sora", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--bv-ink);
    background:
        radial-gradient(circle at 12% 8%, rgba(46, 163, 214, 0.18), transparent 28%),
        radial-gradient(circle at 88% 0%, rgba(245, 197, 24, 0.16), transparent 24%),
        linear-gradient(180deg, #eef5fb 0%, #f7fafc 45%, #e9f1f8 100%);
    min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--bv-blue); text-decoration: none; }
a:hover { color: var(--bv-blue-deep); }
p { line-height: 1.7; margin: 0 0 1rem; }
h1, h2, h3, h4 {
    font-family: var(--font-display);
    line-height: 1.15;
    margin: 0 0 0.75rem;
    letter-spacing: -0.02em;
}

.bv-canvas { min-height: 100vh; display: flex; flex-direction: column; }
.bv-shell {
    width: min(100% - 32px, var(--bv-max));
    margin: 0 auto;
}
.bv-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0 10px;
}
.bv-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: inherit;
}
.bv-brand-logo {
    width: auto;
    height: 48px;
    max-width: 180px;
    object-fit: contain;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 4px 14px rgba(15, 79, 134, 0.12);
}
.bv-brand-copy strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.15rem;
}
.bv-brand-copy small {
    color: var(--bv-muted);
    font-size: 0.78rem;
}
.bv-menu-toggle {
    display: none;
    border: 0;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--bv-blue);
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
}

.bv-stage {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 230px;
    gap: 28px;
    align-items: start;
    padding-bottom: 40px;
}
.bv-main { min-width: 0; }
.bv-rail {
    position: sticky;
    top: 18px;
}
.bv-rail-inner {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(10px);
    border: 1px solid var(--bv-line);
    border-radius: 22px;
    padding: 16px;
    box-shadow: var(--bv-shadow);
}
.bv-rail-label {
    margin: 0 0 10px;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--bv-muted);
    font-weight: 700;
}
.bv-side-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 8px;
}
.bv-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 12px;
    border-radius: 14px;
    color: var(--bv-ink);
    border: 1px solid transparent;
    background: transparent;
    transition: 0.2s ease;
    font-weight: 600;
    font-size: 0.92rem;
}
.bv-nav-link i { width: 18px; text-align: center; color: var(--bv-blue); }
.bv-nav-link:hover {
    background: #edf5fc;
    border-color: #cfe0ef;
}
.bv-nav-link.is-active {
    background: linear-gradient(135deg, #e8f4ff, #fff8df);
    border-color: #b7d4ef;
    box-shadow: inset 0 0 0 1px rgba(26, 111, 181, 0.08);
}
.bv-nav-link.is-shop {
    background: linear-gradient(135deg, var(--bv-crane), #ffe56a);
    color: #1c2a38;
    border-color: #e3b80d;
    box-shadow: 0 8px 18px rgba(212, 164, 10, 0.28);
    justify-content: space-between;
    font-weight: 800;
    margin-top: 4px;
}
.bv-nav-link.is-shop i { color: #1c2a38; }
.bv-nav-link.is-shop em {
    font-style: normal;
    background: #1a6fb5;
    color: #fff;
    border-radius: 999px;
    padding: 2px 8px;
    font-size: 0.7rem;
}
.bv-nav-link.is-shop.is-active,
.bv-nav-link.is-shop:hover {
    filter: brightness(1.03);
    transform: translateY(-1px);
}

body.tone-bay .bv-nav-link.tone-bay.is-active i { color: var(--bv-sky); }
body.tone-timber .bv-nav-link.tone-timber.is-active i { color: var(--bv-timber); }
body.tone-crane .bv-nav-link.tone-crane.is-active i { color: var(--bv-crane-dark); }
body.tone-harbor .bv-nav-link.tone-harbor.is-active i { color: var(--bv-green); }
body.tone-signal .bv-nav-link.tone-signal.is-active i { color: var(--bv-red); }

.bv-rail-card {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px dashed var(--bv-line);
    display: grid;
    gap: 10px;
}
.bv-rail-card img {
    width: 100%;
    border-radius: 14px;
    background: #eef5fb;
}
.bv-rail-play {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--bv-blue);
    color: #fff !important;
    border-radius: 12px;
    padding: 10px 12px;
    font-weight: 700;
    font-size: 0.86rem;
}
.bv-rail-play:hover { background: var(--bv-blue-deep); }

.mast-panel {
    position: relative;
    overflow: hidden;
    border-radius: 28px;
    min-height: 420px;
    background:
        linear-gradient(120deg, rgba(15, 79, 134, 0.72), rgba(26, 111, 181, 0.35)),
        url('../images/banner.webp') center / cover no-repeat;
    color: #fff;
    box-shadow: var(--bv-shadow);
    display: grid;
    align-items: end;
}
.mast-panel-inner {
    padding: 36px 34px 34px;
    max-width: 640px;
}
.mast-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.28);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.mast-panel h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 12px;
}
.mast-panel p {
    color: rgba(255, 255, 255, 0.92);
    font-size: 1.02rem;
}
.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}
.btn-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 18px;
    border-radius: 999px;
    font-weight: 700;
    border: 0;
    cursor: pointer;
    transition: 0.2s ease;
    font-family: var(--font-display);
}
.btn-pill.primary {
    background: var(--bv-crane);
    color: #1c2a38;
    box-shadow: 0 10px 20px rgba(245, 197, 24, 0.35);
}
.btn-pill.primary:hover { filter: brightness(1.05); color: #1c2a38; }
.btn-pill.secondary {
    background: rgba(255, 255, 255, 0.92);
    color: var(--bv-blue-deep);
}
.btn-pill.ghost {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.45);
}
.btn-pill.solid {
    background: var(--bv-blue);
    color: #fff;
}
.btn-pill.solid:hover { background: var(--bv-blue-deep); color: #fff; }
.btn-store {
    padding: 0;
    background: transparent;
    border: 0;
}
.btn-store img {
    height: 48px;
    width: auto;
}

.section-block {
    margin-top: 28px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--bv-line);
    border-radius: var(--bv-radius);
    padding: 26px;
    box-shadow: var(--bv-shadow);
}
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--bv-blue);
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}
.lead-text {
    color: var(--bv-muted);
    font-size: 1.02rem;
}
.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 18px;
}
.feature-tile {
    background: linear-gradient(180deg, #f8fbfe, #eef5fb);
    border: 1px solid var(--bv-line);
    border-radius: 16px;
    padding: 18px;
}
.feature-tile i {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #fff4c4;
    color: #9a7600;
    margin-bottom: 10px;
}
.feature-tile h3 { font-size: 1.08rem; }
.split-media {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 22px;
    align-items: center;
}
.split-media img,
.media-frame img {
    width: 100%;
    border-radius: 18px;
    box-shadow: var(--bv-shadow);
}
.bullet-list {
    margin: 0;
    padding-left: 1.1rem;
}
.bullet-list li { margin-bottom: 0.55rem; }

.page-head {
    margin-bottom: 18px;
}
.page-head h1 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
}
.stats-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
}
.stats-table th,
.stats-table td {
    text-align: left;
    padding: 12px 14px;
    border-bottom: 1px solid var(--bv-line);
}
.stats-table th {
    background: #eef5fb;
    font-family: var(--font-display);
}

.contact-board {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 22px;
}
.contact-list {
    display: grid;
    gap: 12px;
}
.contact-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 14px;
    border-radius: 14px;
    background: #f7fbff;
    border: 1px solid var(--bv-line);
}
.contact-item i {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bv-blue);
    color: #fff;
    flex-shrink: 0;
}
.contact-item strong { display: block; margin-bottom: 2px; }
.contact-item span, .contact-item a { color: var(--bv-muted); }

/* Shop — vertical flow: packs first, order panel below (not left/right sticky) */
.shop-intro {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 16px;
    align-items: center;
}
.shop-notes {
    list-style: none;
    margin: 12px 0;
    padding: 0;
    display: grid;
    gap: 8px;
}
.shop-notes li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    background: #f7fbff;
    border: 1px solid var(--bv-line);
    border-radius: 12px;
    padding: 8px 12px;
    font-size: 0.9rem;
}
.shop-notes i { color: var(--bv-crane-dark); margin-top: 3px; }
.shop-alert {
    margin: 16px 0;
    padding: 12px 14px;
    border-radius: 12px;
    background: #fff1f0;
    border: 1px solid #f5c2c0;
    color: #a33b35;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}
.currency-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin: 18px 0;
}
.currency-chip {
    border: 1px solid var(--bv-line);
    background: #fff;
    border-radius: 999px;
    padding: 8px 14px;
    cursor: pointer;
    font-weight: 700;
}
.currency-chip.is-active {
    background: var(--bv-blue);
    color: #fff;
    border-color: var(--bv-blue);
}

.points-board {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
    gap: 8px;
    margin-top: 12px;
    max-height: 280px;
    overflow-y: auto;
    padding: 4px 4px 8px 0;
    scrollbar-width: thin;
}
.points-board::-webkit-scrollbar { width: 6px; }
.points-board::-webkit-scrollbar-thumb {
    background: #c5d4e4;
    border-radius: 999px;
}
.points-card {
    border: 1px solid var(--bv-line);
    background: linear-gradient(180deg, #ffffff, #f3f8fd);
    border-radius: 10px;
    padding: 8px 6px;
    text-align: center;
    cursor: pointer;
    transition: 0.18s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 0;
}
.points-card:hover { transform: translateY(-1px); border-color: #b7d4ef; }
.points-card.is-selected {
    border-color: var(--bv-crane-dark);
    box-shadow: 0 0 0 2px rgba(245, 197, 24, 0.35);
    background: linear-gradient(180deg, #fffdf2, #fff7d6);
}
.points-card img {
    width: 28px;
    height: 28px;
    margin: 0 auto 4px;
    object-fit: contain;
}
.points-card-amount {
    display: block;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.82rem;
    margin-bottom: 3px;
    line-height: 1.15;
}
.points-card-price {
    display: inline-block;
    background: var(--bv-blue);
    color: #fff;
    border-radius: 999px;
    padding: 2px 8px;
    font-weight: 700;
    font-size: 0.74rem;
}
.points-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--bv-muted);
    padding: 16px;
}

.order-panel {
    margin-top: 22px;
    border: 1px solid var(--bv-line);
    border-radius: 20px;
    background:
        linear-gradient(135deg, rgba(46, 163, 214, 0.08), transparent 40%),
        #fff;
    padding: 22px;
}
.order-panel h2 {
    font-size: 1.35rem;
    margin-bottom: 14px;
}
.order-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 16px;
    align-items: start;
}
.field-block {
    display: grid;
    grid-template-rows: auto auto auto;
    align-content: start;
    gap: 6px;
}
.field-block.full { grid-column: 1 / -1; }
.field-block label {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--bv-muted);
    line-height: 1.2;
    min-height: 1.2em;
}
.field-block input[type="text"],
.field-block input[type="email"] {
    width: 100%;
    height: 46px;
    border: 1px solid var(--bv-line);
    border-radius: 12px;
    padding: 0 14px;
    font: inherit;
    background: #f8fbfe;
    box-sizing: border-box;
}
.field-block input[readonly] { color: var(--bv-muted); }
.field-error {
    min-height: 1.15em;
    color: var(--bv-red);
    font-size: 0.8rem;
    line-height: 1.15;
}
.pay-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}
.pay-choice {
    border: 1px solid var(--bv-line);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    gap: 10px;
    align-items: center;
    cursor: pointer;
    background: #f8fbfe;
}
.pay-choice.is-selected {
    border-color: var(--bv-blue);
    background: #eaf4ff;
}
.pay-choice.is-display {
    opacity: 0.72;
}
.pay-choice input { margin: 0; }
.order-summary {
    margin-top: 8px;
    padding: 14px;
    border-radius: 14px;
    background: #f4f8fc;
    border: 1px dashed #c7d7e8;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}
.order-summary strong { font-size: 1.15rem; color: var(--bv-blue-deep); }
.agree-row {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-top: 8px;
}
.agree-row a { text-decoration: underline; }
.btn-confirm {
    margin-top: 14px;
    width: 100%;
    border: 0;
    border-radius: 14px;
    padding: 14px 18px;
    background: linear-gradient(135deg, var(--bv-crane), #ffe56a);
    color: #1c2a38;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.05rem;
    cursor: pointer;
    box-shadow: 0 10px 22px rgba(212, 164, 10, 0.28);
}
.btn-confirm:hover { filter: brightness(1.04); }

.result-wrap {
    max-width: 640px;
    margin: 10px auto 0;
    background: #fff;
    border: 1px solid var(--bv-line);
    border-radius: 22px;
    padding: 28px;
    box-shadow: var(--bv-shadow);
    text-align: center;
}
.result-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 12px;
}
.result-icon.ok { background: #e8f8ef; color: var(--bv-green); }
.result-icon.bad { background: #fdeceb; color: var(--bv-red); }
.detail-sheet {
    margin: 18px 0;
    text-align: left;
    border: 1px solid var(--bv-line);
    border-radius: 14px;
    overflow: hidden;
}
.detail-sheet .row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--bv-line);
}
.detail-sheet .row:last-child { border-bottom: 0; }
.detail-sheet .label { color: var(--bv-muted); }
.detail-sheet .value.total { color: var(--bv-blue-deep); font-weight: 800; }
.result-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 16px;
}
.countdown-box {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--bv-blue);
    margin: 8px 0 12px;
}

.bv-footer {
    margin-top: auto;
    background: #10263a;
    color: rgba(255, 255, 255, 0.82);
    padding: 28px 0 22px;
}
.footer-grid { display: grid; gap: 16px; }
.footer-brand-block {
    display: flex;
    align-items: center;
    gap: 12px;
}
.footer-brand-block img {
    width: auto;
    height: 40px;
    max-width: 150px;
    border-radius: 8px;
    background: #fff;
    padding: 2px;
}
.footer-brand-block strong { display: block; color: #fff; }
.footer-brand-block span { color: rgba(255, 255, 255, 0.65); font-size: 0.85rem; }
.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 16px;
}
.footer-links a { color: rgba(255, 255, 255, 0.78); font-size: 0.9rem; }
.footer-links a:hover { color: #fff; }
.footer-shop {
    background: var(--bv-crane);
    color: #1c2a38 !important;
    padding: 4px 10px;
    border-radius: 999px;
    font-weight: 800;
}
.footer-copy {
    margin: 0;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.55);
}

.soft-note {
    color: var(--bv-muted);
    font-size: 0.95rem;
}
.inline-cta-band {
    margin-top: 22px;
    border-radius: 18px;
    padding: 22px;
    background: linear-gradient(120deg, #1a6fb5, #2ea3d6);
    color: #fff;
}
.inline-cta-band h2 { color: #fff; }
.inline-cta-band p { color: rgba(255, 255, 255, 0.9); }

@media (max-width: 980px) {
    .bv-stage { grid-template-columns: 1fr; }
    .bv-menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
    .bv-rail {
        position: fixed;
        top: 78px;
        right: 16px;
        width: min(280px, calc(100vw - 32px));
        z-index: 40;
        display: none;
    }
    .bv-rail.is-open { display: block; }
    .feature-grid,
    .split-media,
    .contact-board,
    .order-grid,
    .pay-grid,
    .shop-intro {
        grid-template-columns: 1fr;
    }
    .points-board {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
        max-height: 240px;
    }
}

@media (max-width: 640px) {
    .bv-shell { width: min(100% - 20px, var(--bv-max)); }
    .mast-panel { min-height: 360px; }
    .mast-panel-inner { padding: 24px 20px; }
    .section-block { padding: 18px; }
    .cta-row { flex-direction: column; }
    .btn-pill, .btn-store { width: 100%; }
    .btn-store img { height: 44px; margin: 0 auto; }
}