/* jev 특강 전용 스타일 */

/* ---------- 히어로 ---------- */

.hero {
    position: relative;
    padding: calc(var(--nav-h) + 56px) 0 40px;
    overflow: hidden;
    background:
        radial-gradient(45% 55% at 75% 40%, rgba(255, 91, 26, 0.08), transparent 70%),
        linear-gradient(180deg, #07080a 0%, #0a0c10 100%);
}

.hero-side {
    min-width: 0;
}

.flow {
    position: relative;
    height: clamp(240px, 30vw, 360px);
    margin-bottom: 16px;
}

.flow canvas {
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.2s ease;
}

.flow.is-ready canvas {
    opacity: 1;
}

.flow-labels {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.flow-label {
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-top: -10px;
    font-family: var(--mono);
    font-size: 12.5px;
    color: var(--mute);
    white-space: nowrap;
    will-change: transform;
}

.flow-label[hidden] {
    display: none;
}

.flow-label b {
    font-weight: 500;
    color: var(--ink-2);
}

.flow-label.win span,
.flow-label.win b {
    color: var(--accent);
}

.flow-label.win b {
    font-size: 15px;
}

.flow-label.gate {
    margin-top: -24px;
    translate: -50% 0;
    color: var(--accent);
    font-size: 11.5px;
}

.flow-label.gate b {
    color: var(--accent);
}

.flow-label.tick {
    translate: -100% 0;
    font-size: 11px;
    color: #4d5664;
}

.flow.no-webgl canvas {
    display: none;
}

.flow.no-webgl {
    background: url("/jev/media/modes-overview.webp") center / contain no-repeat;
}

.hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
}

.hero-copy {
    min-width: 0;
}

.hero-copy h1 {
    font-size: clamp(34px, 5vw, 66px);
    line-height: 1.12;
    letter-spacing: -0.035em;
}

.hero-copy .lead strong {
    color: var(--ink);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

/* 시뮬레이터 패널 */

.sim {
    width: 100%;
    padding: 18px;
    background: rgba(10, 12, 16, 0.88);
    border: 1px solid var(--line-2);
    border-radius: var(--radius);
}

.sim-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.sim-head p {
    font-size: 12.5px;
    color: var(--mute);
}

.sim-tabs {
    display: flex;
    gap: 2px;
    padding: 2px;
    border: 1px solid var(--line-2);
    border-radius: 5px;
}

.sim-tabs button {
    padding: 5px 9px;
    border: 0;
    border-radius: 3px;
    background: none;
    color: var(--mute);
    font-family: var(--mono);
    font-size: 12px;
    cursor: pointer;
    transition: color 0.2s, background-color 0.2s;
}

.sim-tabs button:hover {
    color: var(--ink);
}

.sim-tabs button[aria-selected="true"] {
    background: var(--accent);
    color: #0b0d10;
}

.sim pre {
    margin: 0;
    padding: 12px 14px;
    background: #050608;
    border: 1px solid var(--line);
    border-radius: 4px;
    font-family: var(--mono);
    font-size: 12px;
    line-height: 1.7;
    color: var(--ink-2);
    overflow-x: auto;
    white-space: pre;
}

.sim pre span {
    color: var(--mute);
}

.sim-out {
    margin-top: 12px;
    font-size: 13.5px;
    color: var(--ink-2);
}

.sim-out b {
    font-family: var(--mono);
    font-weight: 500;
    color: var(--accent);
}

.sim-note {
    margin-top: 10px;
    font-size: 11.5px;
    color: #5b6472;
}

.facts {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin: 48px 0 0;
    border-top: 1px solid var(--line);
}

.facts > div {
    padding: 18px 0 4px;
}

.facts > div + div {
    padding-left: 24px;
    border-left: 1px solid var(--line);
}

.facts dt {
    font-size: 13px;
    color: var(--mute);
}

.facts dd {
    margin: 4px 0 0;
    font-size: clamp(20px, 2.6vw, 30px);
    color: var(--ink);
}

.facts dd small {
    font-size: 0.6em;
    color: var(--mute);
    margin-left: 2px;
}

@media (max-width: 520px) {
    .sim pre {
        font-size: 10.5px;
        padding: 10px;
    }

    .flow-label {
        font-size: 11px;
    }

    .flow-label.win b {
        font-size: 13px;
    }
}

@media (max-width: 900px) {
    .hero {
        padding-top: calc(var(--nav-h) + 28px);
    }

    .hero-inner {
        grid-template-columns: minmax(0, 1fr);
        gap: 12px;
    }

    .flow {
        height: 250px;
        margin: 0 calc(var(--gutter) * -1) 8px;
    }

    .facts {
        grid-template-columns: repeat(2, 1fr);
        margin-top: 28px;
    }

    .facts > div:nth-child(3) {
        padding-left: 0;
        border-left: 0;
    }

    .facts > div:nth-child(n + 3) {
        border-top: 1px solid var(--line);
    }
}

/* ---------- 두 층 ---------- */

.split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 96px);
    align-items: center;
}

.note {
    margin-top: 20px;
    padding-left: 14px;
    border-left: 2px solid var(--line-2);
    color: var(--mute);
    font-size: 14px;
}

.stack {
    display: flex;
    flex-direction: column;
}

.layer {
    padding: 22px 24px;
    background: var(--bg-2);
    border: 1px solid var(--line-2);
    border-radius: var(--radius);
}

.layer > .mono {
    font-size: 12px;
    color: var(--mute);
}

.layer h3 {
    margin: 6px 0 6px;
    font-size: 22px;
}

.layer h3 small {
    font-size: 13px;
    font-weight: 500;
    color: var(--mute);
    margin-left: 6px;
}

.layer p:last-child,
.layer > p:not(.mono) {
    color: var(--ink-2);
    font-size: 14.5px;
}

.layer.hot {
    border-color: var(--accent);
    background: linear-gradient(180deg, rgba(255, 91, 26, 0.09), rgba(255, 91, 26, 0.02));
}

.layer.hot h3 {
    color: var(--accent);
}

.layer.dim {
    background: transparent;
    border-style: dashed;
}

.layer-metrics {
    display: flex;
    gap: 16px;
    margin-top: 14px;
    font-size: 13px;
    color: var(--accent);
}

.link-line {
    position: relative;
    height: 44px;
    margin-left: 32px;
    border-left: 1px dashed var(--line-2);
}

.link-line span {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--mono);
    font-size: 12px;
    color: var(--mute);
}

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

/* ---------- 모드 ---------- */

.modes {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 48px;
}

.mode figure {
    margin: 0 0 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: #0b0d10;
}

.mode img {
    width: 100%;
    height: auto;
    transition: opacity 0.2s;
}

.mode img:hover {
    opacity: 0.85;
}

.mode-k {
    font-size: 13px;
    color: var(--accent);
}

.mode h3 {
    margin: 6px 0 10px;
    font-size: 19px;
}

.mode p {
    color: var(--ink-2);
    font-size: 14.5px;
}

.mode .use {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
    font-size: 13px;
    color: var(--mute);
}

.wide-fig {
    margin: 48px 0 0;
}

.wide-fig img {
    width: 100%;
    height: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.wide-fig figcaption,
.proof-grid figcaption {
    margin-top: 12px;
    font-size: 13.5px;
    color: var(--mute);
}

@media (max-width: 900px) {
    .modes {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* ---------- 사례 ---------- */

.cases {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 48px;
}

.case {
    margin: 0;
}

.case video,
.case img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    background: #0b0d10;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.case figcaption {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 10px;
    margin-top: 12px;
    font-size: 14px;
    color: var(--ink-2);
}

.case figcaption b {
    color: var(--ink);
}

@media (max-width: 900px) {
    .cases {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 24px 14px;
    }

    .case figcaption {
        font-size: 13px;
    }
}

/* ---------- 실측 ---------- */

.saving {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 48px;
    align-items: center;
    margin-top: 40px;
    padding: clamp(24px, 4vw, 44px);
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.saving-num p:first-child {
    color: var(--ink-2);
    font-size: 15px;
}

.saving .big {
    margin-top: 4px;
    font-size: clamp(64px, 11vw, 132px);
    line-height: 1;
    color: var(--accent);
    letter-spacing: -0.04em;
    object-fit: cover;
}

.saving .big small {
    font-size: 0.4em;
    margin-left: 4px;
}

.bar-row {
    display: grid;
    grid-template-columns: 110px 1fr 76px;
    gap: 14px;
    align-items: center;
    padding: 10px 0;
    font-size: 14px;
    color: var(--ink-2);
}

.bar {
    height: 14px;
    background: #15181e;
    border-radius: 2px;
    overflow: hidden;
}

.bar i {
    display: block;
    height: 100%;
    width: var(--w);
    background: #3a4250;
    transform-origin: left;
    animation: grow 1.4s cubic-bezier(0.2, 0.7, 0.2, 1) both;
    animation-timeline: view();
    animation-range: entry 10% cover 40%;
}

.bar-row.hot .bar i {
    background: var(--accent);
}

.bar-row.hot {
    color: var(--ink);
}

.bar-row b {
    font-weight: 500;
    text-align: right;
}

.bars-note {
    margin-top: 12px;
    font-size: 13px;
    color: var(--mute);
}

@keyframes grow {
    from {
        transform: scaleX(0);
    }
}

.proof-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 40px;
    margin-top: 40px;
    align-items: start;
}

.proof-grid figure {
    margin: 0;
}

.proof-grid img {
    width: 100%;
    height: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.timeline h3 {
    font-size: 20px;
}

.tl-sub {
    margin-top: 6px;
    font-size: 12px;
    color: var(--mute);
}

.timeline ol {
    list-style: none;
    margin: 20px 0 0;
    padding: 0;
    border-left: 1px solid var(--line-2);
}

.timeline li {
    position: relative;
    display: grid;
    gap: 2px;
    padding: 0 0 20px 22px;
}

.timeline li::before {
    content: "";
    position: absolute;
    left: -5px;
    top: 7px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--accent);
}

.timeline time {
    font-size: 12px;
    color: var(--accent);
}

.timeline b {
    font-size: 15.5px;
}

.timeline span {
    font-size: 13.5px;
    color: var(--mute);
}

.proof-foot {
    margin-top: 24px;
    color: var(--ink-2);
}

@media (max-width: 900px) {
    .saving,
    .proof-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .bar-row {
        grid-template-columns: 88px 1fr 64px;
        font-size: 13px;
    }
}

/* ---------- 로드맵 ---------- */

.levels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin: 40px 0 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--line);
}

.levels li {
    padding: 24px 24px 8px 0;
}

.levels li + li {
    padding-left: 24px;
    border-left: 1px solid var(--line);
}

.levels .mono {
    font-size: 12.5px;
    color: var(--accent);
}

.levels h3 {
    margin: 6px 0 10px;
    font-size: 22px;
}

.levels p:last-child {
    color: var(--ink-2);
    font-size: 14.5px;
}

.forks-title {
    margin-top: 56px;
    font-size: 18px;
}

.forks {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
    counter-reset: fork;
}

.forks li {
    counter-increment: fork;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--line-2);
    border-radius: 4px;
    font-size: 14px;
    color: var(--ink-2);
    transition: border-color 0.2s, color 0.2s;
}

.forks li::before {
    content: counter(fork, decimal-leading-zero);
    font-family: var(--mono);
    font-size: 11px;
    color: var(--mute);
}

.forks li:hover {
    border-color: var(--accent);
    color: var(--ink);
}

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

    .levels li,
    .levels li + li {
        padding: 20px 0;
        border-left: 0;
        border-bottom: 1px solid var(--line);
    }
}

/* ---------- 커리큘럼 ---------- */

.lectures {
    margin-top: 40px;
    border-top: 1px solid var(--line);
}

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

.lectures summary {
    display: flex;
    align-items: baseline;
    gap: 20px;
    padding: 24px 0;
    list-style: none;
    cursor: pointer;
}

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

.lectures summary .mono {
    font-size: 14px;
    color: var(--accent);
}

.lectures summary b {
    font-size: clamp(18px, 2.2vw, 24px);
    letter-spacing: -0.02em;
}

.lectures ul {
    margin: -6px 0 0;
    padding: 0 0 28px 44px;
    list-style: none;
}

.lectures li {
    position: relative;
    padding: 5px 0 5px 16px;
    color: var(--ink-2);
}

.lectures li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 16px;
    width: 6px;
    height: 1px;
    background: var(--mute);
}

.lectures li.lab {
    margin-top: 8px;
    padding: 10px 14px 10px 16px;
    background: var(--accent-dim);
    border-left: 2px solid var(--accent);
    color: var(--ink);
}

.lectures li.lab::before {
    display: none;
}

.lectures li.lab b {
    color: var(--accent);
    margin-right: 8px;
}

@media (max-width: 720px) {
    .lectures ul {
        padding-left: 0;
    }
}

/* ---------- 준비물 · 혜택 ---------- */

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 80px);
}

.h3x {
    font-size: clamp(22px, 2.6vw, 28px);
}

.kv {
    margin: 24px 0 0;
}

.kv > div {
    padding: 14px 0;
    border-top: 1px solid var(--line);
}

.kv dt {
    font-weight: 700;
}

.kv dd {
    margin: 4px 0 0;
    color: var(--ink-2);
    font-size: 14.5px;
}

.perks {
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
}

.perks li {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4px 16px;
    padding: 14px 0;
    border-top: 1px solid var(--line);
}

.perks b {
    font-weight: 700;
}

.perks span {
    color: var(--mute);
    font-size: 13.5px;
    text-align: right;
}

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

    .perks li {
        grid-template-columns: 1fr;
    }

    .perks span {
        text-align: left;
    }
}

/* ---------- 가격 ---------- */

.price {
    background:
        radial-gradient(50% 80% at 85% 50%, rgba(255, 91, 26, 0.12), transparent 70%),
        var(--bg);
}

.price-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 48px;
    align-items: center;
}

.ticket {
    padding: 28px;
    background: var(--bg-2);
    border: 1px solid var(--line-2);
    border-radius: var(--radius);
}

.ticket dl {
    margin: 0 0 24px;
}

.ticket dl > div {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
}

.ticket dt {
    color: var(--mute);
    font-size: 14px;
}

.ticket dd {
    margin: 0;
}

.btn.wide {
    width: 100%;
}

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

/* ---------- 강사 · 안내 ---------- */

.narrow {
    max-width: 860px;
}

.mentor {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 40px;
    align-items: start;
}

.avatar {
    display: grid;
    place-items: center;
    width: 160px;
    height: auto;
    aspect-ratio: 1;
    border-radius: 50%;
    border: 1px solid var(--line-2);
    background: radial-gradient(circle at 30% 30%, #1b1f27, #0b0d10);
    font-size: 30px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.04em;
}

.mentor .lead strong {
    color: var(--ink);
}

.mentor-body {
    margin-top: 14px;
    max-width: 640px;
    color: var(--ink-2);
}

.text-link {
    display: inline-block;
    margin-top: 20px;
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.text-link:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
}

@media (max-width: 720px) {
    .mentor {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .avatar {
        width: 96px;
        font-size: 20px;
    }
}

.policy h2 {
    font-size: 16px;
    margin-bottom: 10px;
}

.policy p {
    font-size: 13.5px;
    color: var(--mute);
}

/* ---------- 플로팅 신청 바 ---------- */

.fbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    padding: 12px 0 calc(12px + env(safe-area-inset-bottom));
    background: rgba(7, 8, 10, 0.96);
    border-top: 1px solid var(--line-2);
    transform: translateY(110%);
    transition: transform 0.3s ease;
}

.fbar.is-on {
    transform: none;
}

.fbar .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.fbar p {
    display: flex;
    flex-wrap: wrap;
    gap: 2px 10px;
    font-size: 15px;
}

.fbar p span {
    color: var(--mute);
}

.fbar .btn {
    min-height: 44px;
}