/* 홈·소개 공통 랜딩 셸 */
.lp {
    --lp-ink: #0b1f3a;
    --lp-muted: #5b6b7c;
    --lp-line: #d7e0ea;
    --lp-sky: #0ea5e9;
    --lp-navy: #0c4a8f;
    --lp-paper: #f3f7fb;
    flex: 1;
    font-family: "Segoe UI", "Noto Sans KR", sans-serif;
    color: var(--lp-ink);
    background: var(--lp-paper);
}

.lp-nav {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 28px;
    background: rgba(243, 247, 251, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(215, 224, 234, 0.8);
}

.lp-nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
}

.lp-nav-links a {
    color: var(--lp-muted);
    text-decoration: none;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.lp-nav-links a:hover,
.lp-nav-links a[aria-current="page"] {
    color: var(--lp-navy);
}

.lp-hero {
    position: relative;
    min-height: min(72vh, 720px);
    display: grid;
    align-items: end;
    overflow: hidden;
    isolation: isolate;
}

.lp-hero--compact {
    min-height: min(58vh, 560px);
}

.lp-hero-media {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.lp-hero-media img,
.lp-hero-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 40%;
}

.lp-hero-media img {
    transform: scale(1.04);
    animation: lp-hero-ken 12s ease-out forwards;
}

.lp-hero-media video {
    display: block;
    background: #081830;
}

.lp-hero-veil {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(8, 24, 48, 0.78) 8%, rgba(8, 24, 48, 0.45) 48%, rgba(8, 24, 48, 0.2) 100%),
        linear-gradient(180deg, rgba(8, 24, 48, 0.15), rgba(8, 24, 48, 0.55));
}

.lp-hero-copy {
    width: min(760px, 100%);
    padding: 72px 28px 64px;
    color: #f8fbff;
    animation: lp-rise 0.8s ease-out both;
}

.lp-hero-logo {
    display: inline-flex;
    align-items: center;
    margin: 0 0 18px;
    /* 네이비 로고는 어두운 히어로 위에서 대비가 필요해 밝은 패드를 유지 */
    padding: 10px 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 10px 28px rgba(8, 24, 48, 0.18);
}

.lp-kicker {
    margin: 0 0 10px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #7dd3fc;
}

.lp-hero-copy h1 {
    margin: 0 0 14px;
    font-size: clamp(26px, 4.4vw, 42px);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.25;
}

.lp-hero-desc {
    margin: 0 0 28px;
    max-width: 38em;
    color: rgba(248, 251, 255, 0.86);
    font-size: 16px;
    line-height: 1.65;
}

.lp-hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.lp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 22px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.lp-btn:hover {
    transform: translateY(-1px);
}

.lp-btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--lp-navy), var(--lp-sky));
    box-shadow: 0 10px 24px rgba(14, 165, 233, 0.28);
}

.lp-btn-ghost {
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.45);
    background: rgba(255, 255, 255, 0.08);
}

.lp-btn-ghost:hover {
    border-color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.14);
}

.lp-btn-outline {
    color: var(--lp-navy);
    border: 1px solid var(--lp-line);
    background: #fff;
}

@keyframes lp-rise {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes lp-hero-ken {
    from { transform: scale(1.08); }
    to { transform: scale(1.02); }
}

@media (max-width: 900px) {
    .lp-nav {
        padding: 12px 16px;
    }

    .lp-hero,
    .lp-hero--compact {
        min-height: 64vh;
    }

    .lp-hero-copy {
        padding: 56px 16px 48px;
    }
}

@media (max-width: 640px) {
    .lp-nav-links a:nth-child(2),
    .lp-nav-links a:nth-child(3) {
        display: none;
    }
}