/**
 * SOT Experience Center — Platform Hero (예매→발권→입장 체험 흐름)
 * 제품 소개가 아닌 운영 UI·체험 플로우 중심 Visual
 */

.hero-platform {
    position: relative;
    display: flex;
    align-items: center;
    min-height: min(78vh, 760px);
    overflow: hidden;
    color: #fff;
    background: linear-gradient(135deg, #0a1633 0%, #0b2a6e 42%, #0f4fd7 100%);
}

.hero-platform-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.hero-platform-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.85;
}

.hero-platform-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 72% 42%, rgba(41, 182, 246, 0.26), transparent 44%),
        radial-gradient(circle at 48% 68%, rgba(15, 79, 215, 0.32), transparent 50%);
}

.hero-platform-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 0.45fr) minmax(0, 0.55fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
    align-items: center;
    width: min(1280px, calc(100% - 2 * var(--sot-gutter, 1.25rem)));
    max-width: 1280px;
    margin-inline: auto;
    padding: clamp(2rem, 4vw, 3rem) var(--sot-gutter, 1.25rem);
}

/* ── Copy ── */
.hero-platform-copy {
    max-width: 34rem;
}

.hero-platform-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.35rem 0.85rem;
    margin-bottom: 1rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.95);
}

.hero-platform-title {
    font-size: clamp(1.75rem, 3.2vw, 2.35rem);
    font-weight: 800;
    line-height: 1.22;
    letter-spacing: -0.02em;
    margin: 0 0 1rem;
    max-width: 18ch;
}

.hero-platform-em {
    color: #7dd3fc;
    text-shadow: 0 0 24px rgba(125, 211, 252, 0.35);
}

.hero-platform-desc {
    font-size: clamp(0.95rem, 1.8vw, 1.05rem);
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.82);
    margin: 0 0 0.85rem;
    max-width: 32rem;
}

.hero-platform-sample-notice {
    display: flex;
    align-items: flex-start;
    gap: 0.45rem;
    max-width: 32rem;
    margin: 0 0 1.35rem;
    font-size: 0.825rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.7);
}

.hero-platform-sample-notice__icon {
    flex-shrink: 0;
    margin-top: 0.05em;
    font-size: 0.95em;
    color: rgba(125, 211, 252, 0.85);
}

.hero-platform-sample-notice__body {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.hero-platform-sample-notice__positive {
    color: rgba(255, 255, 255, 0.78);
}

.hero-platform-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-bottom: 1.35rem;
}

.hero-platform-cta .btn-sot-primary {
    box-shadow: 0 4px 20px rgba(41, 182, 246, 0.35);
}

.hero-platform-cta .btn-sot-outline,
.hero-platform-cta .btn-sot-ghost {
    border-color: rgba(255, 255, 255, 0.35);
    color: #fff;
    background: transparent;
}

.hero-platform-cta .btn-sot-outline:hover,
.hero-platform-cta .btn-sot-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.hero-platform-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.hero-platform-features li {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.88);
    white-space: nowrap;
}

.hero-platform-features .feat-icon {
    display: grid;
    place-items: center;
    width: 1.65rem;
    height: 1.65rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 0.85rem;
    line-height: 1;
    flex-shrink: 0;
}

/* ── Visual — 체험 흐름 레이어 ── */
.hero-platform-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: min(58vh, 520px);
}

.hero-platform-stage {
    position: relative;
    width: 100%;
    max-width: 580px;
    height: min(58vh, 520px);
    min-height: 340px;
}

.hero-platform-glow {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(48px);
}

.hero-platform-glow--main {
    width: 70%;
    height: 55%;
    left: 50%;
    top: 28%;
    transform: translateX(-50%);
    background: radial-gradient(circle, rgba(41, 182, 246, 0.4) 0%, transparent 68%);
    z-index: 0;
}

.hero-platform-glow--gate {
    width: 45%;
    height: 28%;
    left: 50%;
    top: 2%;
    transform: translateX(-50%);
    background: radial-gradient(circle, rgba(99, 179, 237, 0.28) 0%, transparent 70%);
    z-index: 0;
}

.hero-device {
    position: absolute;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-device img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.device-label {
    margin-top: 0.35rem;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.75);
    text-align: center;
    white-space: nowrap;
}

.device-label--main {
    font-size: 0.75rem;
    color: #7dd3fc;
}

/* Device frames */
.device-frame--laptop {
    padding: 0.55rem 0.55rem 0.7rem;
    border-radius: 12px 12px 4px 4px;
    background: linear-gradient(180deg, #2a3444 0%, #1a2230 100%);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

.device-frame--laptop::after {
    content: '';
    display: block;
    width: 38%;
    height: 6px;
    margin: 0.5rem auto 0;
    border-radius: 0 0 6px 6px;
    background: #3d4a5c;
}

.device-frame--phone {
    padding: 0.4rem;
    border-radius: 18px;
    background: #1a2230;
    border: 2px solid rgba(255, 255, 255, 0.22);
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.45);
}

.device-frame--tablet {
    padding: 0.45rem;
    border-radius: 10px;
    background: linear-gradient(180deg, #2a3444 0%, #1a2230 100%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.35);
}

.device-frame--screen {
    padding: 0.32rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
}

.device-frame--laptop img { border-radius: 6px; }
.device-frame--phone img { border-radius: 14px; }
.device-frame--tablet img { border-radius: 6px; }
.device-frame--screen img { border-radius: 4px; }

/* Gate — 후면 상단 */
.hero-device--gate {
    top: 0;
    left: 50%;
    transform: translateX(-50%) scale(0.92);
    width: 44%;
    max-width: 260px;
    z-index: 1;
    opacity: 0.88;
    filter: blur(0.3px);
}

.hero-device--gate img {
    min-height: 88px;
}

/* Laptop — 메인 중앙 60~70% */
.hero-device--laptop {
    top: 14%;
    left: 50%;
    transform: translateX(-50%);
    width: 72%;
    max-width: 400px;
    z-index: 3;
}

.hero-device--laptop img {
    min-height: min(340px, 65vh);
    max-height: min(400px, 68vh);
}

/* Mobile — 전면 좌하 */
.hero-device--phone {
    left: 0;
    bottom: 6%;
    width: 26%;
    min-width: 92px;
    max-width: 130px;
    z-index: 5;
}

.hero-device--phone img {
    min-height: 168px;
}

/* Tablet — 보조 우하 */
.hero-device--tablet {
    right: 0;
    bottom: 4%;
    width: 30%;
    max-width: 150px;
    z-index: 4;
}

.hero-device--tablet img {
    min-height: 88px;
}

/* Flow strip */
.hero-flow-strip {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.25rem 0.4rem;
    margin: 0.75rem 0 0;
    padding: 0.45rem 0.75rem;
    font-size: 0.72rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.72);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
}

.hero-flow-arrow {
    opacity: 0.55;
    font-size: 0.65rem;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .hero-platform {
        min-height: auto;
    }

    .hero-platform-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
        padding-block: clamp(1.5rem, 4vw, 2.25rem);
    }

    .hero-platform-visual {
        order: 2;
        min-height: min(36vh, 320px);
    }

    .hero-platform-copy {
        order: 1;
        max-width: none;
        text-align: center;
        margin-inline: auto;
    }

    .hero-platform-title {
        max-width: none;
        margin-inline: auto;
    }

    .hero-platform-desc {
        margin-inline: auto;
    }

    .hero-platform-sample-notice {
        margin-inline: auto;
        text-align: left;
    }

    .hero-platform-cta,
    .hero-platform-features {
        justify-content: center;
    }

    .hero-platform-stage {
        height: min(42vh, 380px);
        min-height: 300px;
        max-width: 500px;
    }

    .hero-device--laptop img {
        min-height: min(260px, 38vh);
        max-height: min(320px, 42vh);
    }
}

@media (max-width: 768px) {
    .hero-device--gate,
    .hero-device--tablet {
        display: none;
    }

    .hero-platform-glow--gate {
        display: none;
    }

    .hero-platform-stage {
        height: min(38vh, 340px);
        min-height: 280px;
    }

    .hero-device--laptop {
        width: 78%;
        top: 10%;
    }

    .hero-device--laptop img {
        min-height: min(240px, 36vh);
        max-height: min(300px, 38vh);
    }

    .hero-device--phone {
        width: 30%;
        min-width: 80px;
    }

    .hero-flow-strip {
        font-size: 0.68rem;
        gap: 0.2rem 0.3rem;
    }

    .hero-platform-features li {
        white-space: normal;
        font-size: 0.78rem;
    }

    .hero-platform-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-platform-cta .btn-sot {
        width: 100%;
        justify-content: center;
        min-height: 48px;
    }
}

@media (max-width: 390px) {
    .hero-platform-features {
        flex-direction: column;
        align-items: center;
    }

    .hero-flow-strip span:not(.hero-flow-arrow) {
        font-size: 0.62rem;
    }
}