/* 올비전 v2 사용 가이드 */

/* 히어로: 우주에서 본 지구 배너 */
.g-hero {
    padding-top: 20px;
}

.g-hero-card {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: clamp(48px, 7vw, 88px) clamp(24px, 5vw, 64px) clamp(170px, 20vw, 230px);
    border-radius: 28px;
    background: #02040c;
    box-shadow: 0 50px 120px -50px rgba(16, 60, 160, 0.55);
}

.g-hero-card::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -2;
    background-image:
        radial-gradient(1px 1px at 8% 20%, #ffffff, transparent),
        radial-gradient(1px 1px at 22% 58%, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1.2px 1.2px at 41% 14%, #ffffff, transparent),
        radial-gradient(1px 1px at 57% 40%, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 72% 10%, #ffffff, transparent),
        radial-gradient(1.4px 1.4px at 86% 32%, #ffffff, transparent),
        radial-gradient(1px 1px at 94% 64%, rgba(255, 255, 255, 0.7), transparent);
}

.g-hero-in {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 40px;
    align-items: end;
}

.g-hero h1 {
    margin-top: 22px;
    font-size: clamp(34px, 5.2vw, 64px);
}

.g-hero p {
    max-width: 32em;
    margin-top: 18px;
    font-size: clamp(15.5px, 1.5vw, 18px);
    color: var(--star-soft);
}

.g-hero .hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.path {
    display: grid;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.path li {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(6px);
}

.path b {
    font-family: var(--f-mono);
    font-size: 11.5px;
    font-weight: 500;
    color: var(--signal);
}

.path span {
    font-size: 14.5px;
}

.path small {
    font-family: var(--f-mono);
    font-size: 11.5px;
    color: var(--haze);
}

.g-earth {
    --er: 1400px;
    position: absolute;
    left: 50%;
    bottom: calc(110px - var(--er) * 2);
    z-index: -1;
    width: calc(var(--er) * 2);
    height: calc(var(--er) * 2);
    border-radius: 50%;
    background:
        radial-gradient(ellipse 22% 5% at 50% 1%, rgba(255, 255, 255, 0.5), transparent 70%),
        radial-gradient(ellipse 18% 3% at 40% 3%, rgba(255, 255, 255, 0.25), transparent 70%),
        radial-gradient(ellipse 30% 6% at 30% 7%, rgba(60, 120, 80, 0.35), transparent 70%),
        linear-gradient(180deg, #4a9af0 0%, #1a5bbf 2.5%, #0b3278 9%, #061c48 20%);
    box-shadow:
        0 0 0 2px rgba(190, 230, 255, 0.85),
        0 0 40px 8px rgba(120, 200, 255, 0.7),
        0 0 160px 40px rgba(60, 140, 255, 0.35);
    transform: translateX(-50%);
}

.g-sun {
    position: absolute;
    left: 50%;
    top: -6px;
    width: 420px;
    height: 130px;
    border-radius: 50%;
    background: radial-gradient(
        ellipse at center,
        rgba(255, 255, 255, 0.95),
        rgba(190, 225, 255, 0.45) 22%,
        transparent 65%
    );
    filter: blur(2px);
    transform: translate(-50%, -50%);
}

.g-mark {
    position: absolute;
    left: 50%;
    top: -52px;
    width: 120px;
    max-width: none;
    transform: translate(-50%, -50%);
    filter: drop-shadow(0 0 1.5px rgba(220, 240, 255, 0.95))
        drop-shadow(0 0 16px rgba(140, 200, 255, 0.75))
        drop-shadow(0 0 46px rgba(90, 160, 255, 0.5));
    animation: float 6s ease-in-out infinite;
}

@media (max-width: 860px) {
    .g-hero-in {
        grid-template-columns: 1fr;
    }

    .g-hero-card {
        padding-bottom: 200px;
    }

    .g-mark {
        top: -42px;
        width: 92px;
    }

    .g-sun {
        width: 280px;
    }
}

/* 본문 + 목차 */
.g-body {
    display: grid;
    grid-template-columns: 230px minmax(0, 1fr);
    gap: clamp(32px, 6vw, 80px);
    padding-block: clamp(56px, 7vw, 96px);
}

.toc {
    position: sticky;
    top: calc(88px + env(safe-area-inset-top, 0px));
    align-self: start;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.toc small {
    padding: 0 12px 10px;
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--haze);
}

.toc a {
    display: flex;
    gap: 12px;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--star-soft);
    transition:
        background 0.2s,
        color 0.2s;
}

.toc a b {
    padding-top: 2px;
    font-family: var(--f-mono);
    font-size: 11.5px;
    font-weight: 500;
    color: var(--haze);
}

.toc a:hover {
    color: var(--star);
    background: var(--hover);
}

.toc a.on {
    color: var(--star);
    background: var(--ink);
    box-shadow:
        inset 0 0 0 1px var(--line),
        0 6px 16px -10px rgba(16, 42, 94, 0.35);
}

.toc a.on b {
    color: var(--signal);
}

.toc-demo {
    margin-top: 20px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--ink);
    font-size: 13px;
    color: var(--star-soft);
}

.toc-demo a {
    display: inline-flex;
    margin-top: 8px;
    padding: 0;
    font-weight: 600;
    color: var(--signal);
}

.toc-demo a:hover {
    background: none;
    text-decoration: underline;
}

@media (max-width: 900px) {
    .g-body {
        grid-template-columns: 1fr;
    }

    .toc {
        position: sticky;
        top: calc(64px + env(safe-area-inset-top, 0px));
        z-index: 5;
        flex-direction: row;
        gap: 6px;
        margin-inline: calc(var(--gutter) * -1);
        padding: 10px var(--gutter);
        overflow-x: auto;
        background: rgba(245, 248, 253, 0.9);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--line);
        scrollbar-width: none;
    }

    .toc small,
    .toc-demo {
        display: none;
    }

    .toc a {
        flex: 0 0 auto;
        border: 1px solid var(--line);
        background: var(--ink);
    }
}

/* 장 */
.chap {
    margin-bottom: clamp(56px, 7vw, 88px);
    padding-bottom: clamp(56px, 7vw, 88px);
    border-bottom: 1px solid var(--line);
    scroll-margin-top: 130px;
}

.chap:last-child {
    margin-bottom: 0;
    border-bottom: 0;
}

.chap-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 14px;
}

.chap-no {
    font-family: var(--f-mono);
    font-size: 12px;
    color: var(--signal);
}

.owner {
    padding: 3px 8px;
    border: 1px solid rgba(196, 122, 8, 0.35);
    border-radius: 6px;
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--caution);
}

.chap h2 {
    margin-top: 14px;
    font-size: clamp(26px, 3.2vw, 38px);
}

.chap > p {
    max-width: 38em;
    margin-top: 12px;
    color: var(--star-soft);
}

.chap code {
    padding: 1px 6px;
    border-radius: 5px;
    background: var(--raise);
    font-family: var(--f-mono);
    font-size: 0.9em;
}

.cmdbox {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 460px;
    margin-top: 26px;
    padding: 6px 6px 6px 16px;
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    background: var(--ink);
    box-shadow: 0 10px 30px -20px rgba(16, 42, 94, 0.4);
}

.cmdbox small {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--haze);
    white-space: nowrap;
}

.cmdbox code {
    padding: 0;
    background: none;
    font-family: var(--f-mono);
    font-size: 15px;
    color: var(--star);
}

.cp {
    height: 32px;
    margin-left: auto;
    padding: 0 12px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    background: var(--panel);
    color: var(--star-soft);
    font: 500 12px var(--f-mono);
    cursor: pointer;
    transition:
        color 0.2s,
        border-color 0.2s;
}

.cp:hover {
    color: var(--signal);
    border-color: var(--signal);
}

.flow {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
    counter-reset: f;
}

.flow li {
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--ink);
    box-shadow: var(--shadow-card);
    counter-increment: f;
}

.flow li::before {
    content: counter(f);
    display: grid;
    place-items: center;
    width: 26px;
    height: 26px;
    border-radius: 7px;
    background: linear-gradient(135deg, #9ccbff, #2a6ff0);
    color: #ffffff;
    font: 600 12px var(--f-mono);
}

.flow strong {
    display: block;
    margin-top: 16px;
    font-size: 15.5px;
    font-weight: 600;
}

.flow p {
    margin-top: 6px;
    font-size: 14.5px;
    color: var(--star-soft);
}

.flow .btn {
    margin-top: 14px;
}

@media (max-width: 760px) {
    .flow {
        grid-template-columns: 1fr;
    }
}

.note {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 12px;
    margin-top: 16px;
    padding: 16px 18px;
    border: 1px solid rgba(42, 111, 240, 0.18);
    border-radius: 12px;
    background: rgba(42, 111, 240, 0.05);
    font-size: 14.5px;
    color: var(--star-soft);
}

.note::before {
    content: '';
    width: 6px;
    height: 6px;
    margin-top: 9px;
    border-radius: 50%;
    background: var(--signal);
}

.note.warn {
    border-color: rgba(196, 122, 8, 0.22);
    background: rgba(196, 122, 8, 0.06);
}

.note.warn::before {
    background: var(--caution);
}

.note strong {
    margin-right: 6px;
    font-weight: 600;
    color: var(--star);
}

.duo {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 28px;
}

.duo article {
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--ink);
    box-shadow: var(--shadow-card);
}

.duo h3 {
    font-size: 16px;
    font-weight: 600;
}

.duo p {
    margin-top: 6px;
    font-size: 14.5px;
    color: var(--star-soft);
}

.duo .cmdbox {
    max-width: none;
    margin-top: 16px;
    box-shadow: none;
}

@media (max-width: 760px) {
    .duo {
        grid-template-columns: 1fr;
    }
}

/* 판정 알림 예시 (디스코드 화면 재현) */
.sample {
    margin-top: 16px;
    overflow: hidden;
    border-radius: 14px;
    background: var(--dc-chat);
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.3),
        0 30px 80px -40px rgba(16, 60, 160, 0.55);
}

.sample summary {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    background: var(--dc-rail);
    font-size: 15px;
    font-weight: 600;
    color: var(--dc-strong);
    list-style: none;
    cursor: pointer;
}

.sample summary::-webkit-details-marker {
    display: none;
}

.sample summary::after {
    content: '+';
    margin-left: auto;
    font-family: var(--f-mono);
    font-size: 16px;
    color: var(--dc-muted);
    transition: transform 0.2s;
}

.sample[open] summary::after {
    transform: rotate(45deg);
}

.sample summary small {
    font-size: 13px;
    font-weight: 400;
    color: var(--dc-muted);
}

.sample-chat {
    padding-bottom: 20px;
}

.sample-chat .dc-msg {
    margin-top: 16px;
}

.dc-foot {
    font-size: 13px;
    font-style: italic;
    color: var(--dc-text);
}

.sample .blur {
    filter: blur(4px);
    user-select: none;
}

/* 자주 묻는 질문 */
.faq {
    margin-top: 26px;
    border-top: 1px solid var(--line);
}

.faq details {
    border-bottom: 1px solid var(--line);
}

.faq summary {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 0;
    font-size: 16px;
    font-weight: 500;
    list-style: none;
    cursor: pointer;
}

.faq summary::-webkit-details-marker {
    display: none;
}

.faq summary::after {
    content: '+';
    margin-left: auto;
    font-family: var(--f-mono);
    font-size: 18px;
    color: var(--haze);
    transition: transform 0.2s;
}

.faq details[open] summary::after {
    transform: rotate(45deg);
}

.faq details p {
    padding: 0 40px 22px 0;
    font-size: 15px;
    color: var(--star-soft);
}

.faq details .cmdbox {
    margin: 0 0 22px;
}

/* 마무리 */
.g-end {
    padding-bottom: clamp(64px, 9vw, 112px);
}

.g-end-card {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    overflow: hidden;
    padding: clamp(32px, 5vw, 56px);
    border-radius: 24px;
    background:
        radial-gradient(ellipse 70% 140% at 0% 120%, rgba(60, 140, 255, 0.45), transparent 60%),
        radial-gradient(ellipse 40% 80% at 100% 0%, rgba(135, 206, 235, 0.18), transparent 60%),
        #02040c;
    box-shadow: 0 40px 100px -50px rgba(16, 60, 160, 0.6);
}

.g-end-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 40%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
}

.g-end-card h2 {
    font-size: clamp(26px, 3.4vw, 40px);
}

.g-end-card p {
    margin-top: 8px;
    color: var(--star-soft);
}

.g-end-card .hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

@keyframes float {
    50% {
        translate: 0 -8px;
    }
}