@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css');
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@600;700;800&display=swap');

html {
    scroll-behavior: smooth;
}

.db-about {
    --db-about-slate: #3d5a73;
    --db-about-slate-deep: #243849;
    --db-about-mint: #9fe0d8;
    --db-about-yellow: #f5d76e;
    --db-about-ink: #1c2a36;
    --db-about-muted: #5f7385;
    --db-about-metal: #4a657c;
    font-family: 'Pretendard Variable', Pretendard, Outfit, sans-serif;
    color: var(--db-about-ink);
    background: linear-gradient(180deg, #dfe7ee 0%, #eef3f6 40%, #e4ebf1 100%);
    scroll-behavior: smooth;
}

.db-about section {
    scroll-margin-top: 76px;
}

.db-about .fab-container {
    display: none;
}

.db-about-wrap {
    width: min(980px, calc(100% - 28px));
    margin: 0 auto;
}

body.dongnebak-app a.db-about-btn,
body.dongnebak-app button.db-about-btn,
body.dongnebak-app .db-about-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 18px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.01em;
    text-decoration: none !important;
    border: 0;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease, filter 0.15s ease, background 0.15s ease;
}

body.dongnebak-app a.db-about-btn:hover,
body.dongnebak-app button.db-about-btn:hover,
body.dongnebak-app .db-about-btn:hover {
    transform: translateY(-1px);
}

body.dongnebak-app a.db-about-btn-primary,
body.dongnebak-app button.db-about-btn-primary,
body.dongnebak-app .db-about-btn-primary {
    background: linear-gradient(135deg, #f5d76e 0%, #f0c94a 100%) !important;
    color: #1f2933 !important;
    box-shadow: 0 8px 18px rgba(61, 90, 115, 0.18) !important;
}

body.dongnebak-app a.db-about-btn-primary:hover,
body.dongnebak-app button.db-about-btn-primary:hover,
body.dongnebak-app .db-about-btn-primary:hover {
    filter: brightness(1.03) !important;
    box-shadow: 0 10px 22px rgba(61, 90, 115, 0.22) !important;
    color: #1f2933 !important;
}

body.dongnebak-app a.db-about-btn-ghost,
body.dongnebak-app button.db-about-btn-ghost,
body.dongnebak-app .db-about-btn-ghost {
    background: rgba(61, 90, 115, 0.08) !important;
    color: #243849 !important;
    border: 1px solid rgba(61, 90, 115, 0.22) !important;
    backdrop-filter: blur(10px) saturate(1.15);
    -webkit-backdrop-filter: blur(10px) saturate(1.15);
    box-shadow: 0 4px 12px rgba(61, 90, 115, 0.08) !important;
}

body.dongnebak-app a.db-about-btn-ghost:hover,
body.dongnebak-app button.db-about-btn-ghost:hover,
body.dongnebak-app .db-about-btn-ghost:hover {
    background: rgba(61, 90, 115, 0.15) !important;
    border-color: rgba(61, 90, 115, 0.35) !important;
    color: #1c2a36 !important;
}

body.dongnebak-app a.db-about-btn-mint,
body.dongnebak-app button.db-about-btn-mint,
body.dongnebak-app .db-about-btn-mint {
    background: linear-gradient(135deg, #9fe0d8 0%, #7fd4c9 100%) !important;
    color: #0f3d37 !important;
    box-shadow: 0 8px 18px rgba(61, 90, 115, 0.14) !important;
}

body.dongnebak-app a.db-about-btn-mint:hover,
body.dongnebak-app button.db-about-btn-mint:hover,
body.dongnebak-app .db-about-btn-mint:hover {
    filter: brightness(1.04) !important;
    color: #082925 !important;
}

body.dongnebak-app a.db-about-btn-slate,
body.dongnebak-app button.db-about-btn-slate,
body.dongnebak-app .db-about-btn-slate {
    background: linear-gradient(135deg, #3d5a73 0%, #5a7a94 100%) !important;
    color: #ffffff !important;
    box-shadow: 0 8px 20px rgba(61, 90, 115, 0.28) !important;
}

body.dongnebak-app a.db-about-btn-slate:hover,
body.dongnebak-app button.db-about-btn-slate:hover,
body.dongnebak-app .db-about-btn-slate:hover {
    filter: brightness(1.06) !important;
    color: #ffffff !important;
}

.db-about-hero {
    position: relative;
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
    overflow: hidden;
    color: var(--db-about-ink);
    background: linear-gradient(180deg, #e6edf2 0%, #f4f8fb 55%, #e1e8ee 100%);
    border-bottom: 1px solid rgba(61, 90, 115, 0.12);
}

.db-about-hero-media {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(650px 520px at 85% -10%, rgba(159, 224, 216, 0.45), transparent 70%),
        radial-gradient(550px 420px at 10% 105%, rgba(245, 215, 110, 0.35), transparent 65%),
        radial-gradient(400px 320px at 70% 65%, rgba(255, 255, 255, 0.6), transparent 70%);
}

.db-about-hero-media::before,
.db-about-hero-media::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.db-about-hero-media::before {
    width: 480px;
    height: 480px;
    right: -120px;
    top: -80px;
    background: radial-gradient(circle, rgba(159, 224, 216, 0.35) 0%, transparent 70%);
}

.db-about-hero-media::after {
    width: 420px;
    height: 420px;
    left: -100px;
    bottom: -120px;
    background: radial-gradient(circle, rgba(245, 215, 110, 0.28) 0%, transparent 70%);
}

.db-about-hero-shade {
    display: none;
}

.db-about-hero-inner {
    position: relative;
    z-index: 1;
    width: min(640px, calc(100% - 48px));
    margin: 0 auto 0 max(24px, calc((100% - 980px) / 2 + 24px));
    padding: 56px 0;
    animation: dbAboutRise 0.75s ease both;
}

.db-about-brand {
    font-family: Outfit, Pretendard, sans-serif;
    font-size: clamp(52px, 10vw, 88px);
    font-weight: 800;
    letter-spacing: -0.05em;
    line-height: 0.92;
    margin: 0 0 18px;
    color: var(--db-about-slate-deep);
}

.db-about-brand span {
    color: #128272;
}

.db-about-hero h1 {
    margin: 0 0 14px;
    font-size: clamp(24px, 3.6vw, 34px);
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: -0.03em;
    color: var(--db-about-ink);
    max-width: 14em;
}

.db-about-hero p {
    margin: 0 0 28px;
    max-width: 32em;
    font-size: 16px;
    line-height: 1.7;
    color: var(--db-about-muted);
}

.db-about-cta {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid rgba(61, 90, 115, 0.15);
    backdrop-filter: blur(16px) saturate(1.2);
    -webkit-backdrop-filter: blur(16px) saturate(1.2);
    box-shadow: 0 8px 24px rgba(36, 56, 73, 0.08);
}

.db-about-cta .db-about-btn {
    min-width: 148px;
}

.db-about-vending {
    padding: 60px 0 32px;
}

body.dongnebak-app .db-about-vending-head {
    background: transparent !important;
    border: 0 !important;
    border-bottom: 0 !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    padding: 0 0 28px 0 !important;
    text-align: center;
    margin-bottom: 0;
    animation: dbAboutRise 0.7s ease 0.05s both;
}

.db-vending-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(61, 90, 115, 0.1);
    border: 1px solid rgba(159, 224, 216, 0.5);
    color: #243849;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 12px;
    backdrop-filter: blur(8px);
}

.db-vending-badge i {
    color: #128272;
}

.db-about-vending-head h2 {
    margin: 0 0 10px;
    font-size: clamp(28px, 4vw, 38px);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--db-about-ink);
}

.db-about-vending-head p {
    margin: 0 auto;
    max-width: 42rem;
    color: var(--db-about-muted);
    font-size: 15px;
    line-height: 1.65;
}

.db-about-machine {
    position: relative;
    width: min(880px, 100%);
    margin: 0 auto;
    padding: 22px 22px 18px;
    border-radius: 32px;
    background: linear-gradient(165deg, #3d556a 0%, #293d4d 45%, #182631 100%);
    border: 2px solid rgba(255, 255, 255, 0.22);
    box-shadow:
        0 36px 72px rgba(18, 30, 40, 0.38),
        inset 0 2px 2px rgba(255, 255, 255, 0.35),
        inset 0 -4px 8px rgba(0, 0, 0, 0.5);
    animation: dbAboutRise 0.8s ease 0.1s both;
}

.db-about-machine-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 16px;
    padding: 14px 20px;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(16, 26, 35, 0.82) 0%, rgba(10, 18, 25, 0.92) 100%);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
}

.db-machine-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.db-machine-led {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 10px #22c55e, 0 0 18px #22c55e;
    animation: dbLedPulse 2s infinite ease-in-out;
}

@keyframes dbLedPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.55; transform: scale(0.9); }
}

.db-machine-brand strong {
    font-family: Outfit, Pretendard, sans-serif;
    font-size: 20px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.02em;
}

.db-machine-brand small {
    font-size: 11px;
    font-weight: 700;
    color: var(--db-about-mint);
    letter-spacing: 0.08em;
    padding: 2px 8px;
    border-radius: 6px;
    background: rgba(159, 224, 216, 0.12);
    border: 1px solid rgba(159, 224, 216, 0.25);
}

.db-machine-display {
    display: flex;
    align-items: center;
    gap: 16px;
}

.db-display-item {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.db-display-item span {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 2px;
}

.db-display-item strong {
    font-size: 13px;
    color: #ffffff;
    font-weight: 700;
}

.db-display-item strong i {
    color: #22c55e;
    margin-right: 2px;
}

.db-about-window {
    position: relative;
    padding: 18px;
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(14, 23, 31, 0.88) 0%, rgba(8, 14, 20, 0.94) 100%);
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow:
        inset 0 0 24px rgba(0, 0, 0, 0.6),
        0 10px 30px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

.db-about-window-glow {
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 120px;
    background: radial-gradient(ellipse at top, rgba(159, 224, 216, 0.22) 0%, transparent 70%);
    pointer-events: none;
}

.db-about-slots {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.db-about-slot {
    display: flex;
    flex-direction: column;
    gap: 14px;
    min-width: 0;
    animation: dbAboutSlot 0.65s ease both;
}

.db-about-slot:nth-child(1) { animation-delay: 0.16s; }
.db-about-slot:nth-child(2) { animation-delay: 0.24s; }
.db-about-slot:nth-child(3) { animation-delay: 0.32s; }

.db-about-slot-glass {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.db-slot-best-ribbon {
    position: absolute;
    top: -10px;
    right: 12px;
    z-index: 2;
    padding: 4px 10px;
    border-radius: 8px;
    background: linear-gradient(135deg, #128272 0%, #0d5f53 100%);
    color: #ffffff;
    font-size: 11px;
    font-weight: 800;
    box-shadow: 0 4px 12px rgba(18, 130, 114, 0.4);
}

.db-ticket-card {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px 16px 16px;
    border-radius: 16px;
    background: linear-gradient(180deg, #ffffff 0%, #f1f5f8 100%);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow:
        0 12px 24px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 #ffffff;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.db-ticket-card.is-highlight {
    background: linear-gradient(180deg, #f0fdfa 0%, #e0f2fe 100%);
    border: 2px solid var(--db-about-mint);
    box-shadow:
        0 14px 28px rgba(159, 224, 216, 0.35),
        0 0 20px rgba(159, 224, 216, 0.25),
        inset 0 1px 0 #ffffff;
}

.db-ticket-card:hover {
    transform: translateY(-3px);
}

.db-ticket-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.db-ticket-tag {
    font-size: 11px;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 6px;
    background: #e2e8f0;
    color: #334155;
}

.db-ticket-tag.db-tag-mint {
    background: #128272;
    color: #ffffff;
}

.db-ticket-top i {
    font-size: 20px;
    color: var(--db-about-slate);
}

.db-ticket-card.is-highlight .db-ticket-top i {
    color: #128272;
}

.db-ticket-body h3 {
    margin: 0 0 4px;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #0f172a;
}

.db-ticket-body p {
    margin: 0 0 16px;
    font-size: 13px;
    color: #64748b;
    font-weight: 600;
}

.db-ticket-price {
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px dashed #cbd5e1;
}

.db-ticket-price strong {
    display: block;
    font-family: Outfit, Pretendard, sans-serif;
    font-size: 26px;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.db-ticket-price small {
    display: block;
    margin-top: 2px;
    font-size: 12px;
    color: #0d9488;
    font-weight: 700;
}

.db-ticket-stub {
    margin-top: 12px;
    padding-top: 8px;
    border-top: 2px dotted #e2e8f0;
    font-size: 10px;
    font-weight: 800;
    color: #94a3b8;
    letter-spacing: 0.08em;
}

.db-slot-push-area {
    width: 100%;
}

body.dongnebak-app a.db-vending-push-btn {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 10px !important;
    width: 100% !important;
    min-height: 52px !important;
    padding: 0 16px !important;
    border-radius: 14px !important;
    text-decoration: none !important;
    border: 2px solid rgba(255, 255, 255, 0.25) !important;
    cursor: pointer !important;
    box-shadow:
        0 8px 16px rgba(0, 0, 0, 0.35),
        inset 0 2px 0 rgba(255, 255, 255, 0.3),
        inset 0 -2px 0 rgba(0, 0, 0, 0.2) !important;
    transition: all 0.15s ease !important;
}

body.dongnebak-app a.db-vending-push-btn.db-btn-slate {
    background: linear-gradient(180deg, #4a667e 0%, #314657 100%) !important;
    color: #ffffff !important;
}

body.dongnebak-app a.db-vending-push-btn.db-btn-mint {
    background: linear-gradient(180deg, #9fe0d8 0%, #60c5b7 100%) !important;
    color: #0a332d !important;
    border-color: rgba(255, 255, 255, 0.6) !important;
    box-shadow:
        0 10px 22px rgba(159, 224, 216, 0.35),
        inset 0 2px 0 rgba(255, 255, 255, 0.6),
        inset 0 -2px 0 rgba(0, 0, 0, 0.15) !important;
}

body.dongnebak-app a.db-vending-push-btn:hover {
    transform: translateY(-2px) !important;
    filter: brightness(1.06) !important;
}

body.dongnebak-app a.db-vending-push-btn:active {
    transform: translateY(1px) !important;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4) !important;
}

.db-push-led {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
}

.db-push-led.active {
    background: #22c55e;
    box-shadow: 0 0 8px #22c55e;
}

.db-push-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.1;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.db-push-text em {
    font-style: normal;
    font-size: 11px;
    font-weight: 700;
    opacity: 0.85;
}

.db-about-chute {
    margin-top: 18px;
}

.db-about-chute-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 22px;
    border-radius: 18px;
    background: linear-gradient(180deg, #101a23 0%, #080d12 100%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: inset 0 10px 20px rgba(0, 0, 0, 0.6);
}

.db-chute-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.65);
    font-size: 13px;
    font-weight: 700;
}

.db-chute-label i {
    font-size: 18px;
    color: var(--db-about-yellow);
}

.db-chute-delivery {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.db-delivered-ticket {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 10px;
    background: rgba(159, 224, 216, 0.12);
    border: 1px solid rgba(159, 224, 216, 0.3);
    color: var(--db-about-mint);
    font-size: 13px;
    font-weight: 700;
}

.db-delivered-ticket.db-chat-ticket {
    background: rgba(245, 215, 110, 0.12);
    border-color: rgba(245, 215, 110, 0.3);
    color: var(--db-about-yellow);
}

.db-delivered-plus {
    color: rgba(255, 255, 255, 0.4);
    font-weight: 800;
}

.db-about-close {
    padding: 48px 0 64px;
}

.db-about-flow {
    list-style: none;
    margin: 0 0 36px;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.db-about-flow li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 22px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(61, 90, 115, 0.14);
    box-shadow: 0 10px 24px rgba(31, 41, 51, 0.05);
    backdrop-filter: blur(10px);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.db-about-flow li:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(31, 41, 51, 0.08);
}

.db-flow-step {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #3d5a73 0%, #293d4d 100%);
    color: #ffffff;
    font-size: 14px;
    font-weight: 800;
    box-shadow: 0 4px 10px rgba(61, 90, 115, 0.25);
}

.db-flow-content strong {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
    font-size: 16.5px;
    font-weight: 800;
    color: #0f172a;
}

.db-flow-content strong i {
    color: #128272;
}

.db-flow-content em {
    display: block;
    font-style: normal;
    color: var(--db-about-muted);
    font-size: 13.5px;
    line-height: 1.5;
}

.db-about-close .db-about-wrap {
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.db-about-close-actions {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    align-self: center;
    margin: 0 0 18px;
    padding: 10px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.62);
    border: 1px solid rgba(61, 90, 115, 0.12);
    backdrop-filter: blur(12px) saturate(1.15);
    -webkit-backdrop-filter: blur(12px) saturate(1.15);
    box-shadow: 0 8px 22px rgba(31, 41, 51, 0.06);
}

.db-about-subline {
    margin: 0;
    text-align: center;
    color: var(--db-about-muted);
    font-size: 14px;
}

.db-about-textlink {
    border: 0;
    background: transparent;
    color: var(--db-about-slate);
    font: inherit;
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
    padding: 0;
}

@keyframes dbAboutRise {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes dbAboutSlot {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
    .db-about-hero {
        min-height: 86vh;
        align-items: center;
    }

    .db-about-hero-inner {
        margin: 0 auto;
        width: min(720px, calc(100% - 28px));
        text-align: left;
        padding: 40px 0;
    }

    .db-about-hero h1 {
        max-width: none;
    }

    .db-about-cta {
        width: 100%;
    }

    .db-about-cta .db-about-btn {
        flex: 1 1 calc(50% - 10px);
        min-width: 0;
    }

    .db-about-slots {
        display: flex;
        gap: 12px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: 6px;
        -webkit-overflow-scrolling: touch;
    }

    .db-about-slot {
        flex: 0 0 min(72vw, 260px);
        scroll-snap-align: center;
    }

    .db-about-flow {
        grid-template-columns: 1fr;
    }

    .db-about-flow li + li {
        border-left: 0;
        border-top: 1px solid rgba(61, 90, 115, 0.16);
    }

    .db-about-vending {
        padding-top: 40px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .db-about-hero-media,
    .db-about-hero-inner,
    .db-about-machine,
    .db-about-slot,
    .db-about-vending-head {
        animation: none !important;
    }

    .db-about-btn:hover {
        transform: none;
    }
}