/* ========================================
   SECTION 02: 히어로 + 다크 배경
   ✦ 딥 네이비 + 블루 프리미엄
   ✦ 2컬럼: 텍스트 왼쪽 / 통계 오른쪽
======================================== */

.hero {
    position: relative;
    overflow: hidden;
    background: var(--dark);
    min-height: 520px;
    height: 75vh;
    max-height: 700px;
}

/* ───── Spline 3D 배경 ───── */
#heroSpline {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    border: none;
    pointer-events: none;
}
.hero-3d-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(85,58,231,.08) 0%, transparent 50%),
        radial-gradient(ellipse at center, rgba(10,22,40,.25) 0%, rgba(10,22,40,.50) 50%, rgba(10,22,40,.70) 100%);
    z-index: 1;
    pointer-events: none;
}

/* ───── 슬라이더 ───── */
.hero-slider { position: relative; z-index: 2; }
.hero-slide {
    display: none;
    min-height: 480px;
    height: 75vh;
    max-height: 700px;
    padding: 56px 0 64px;
    align-items: center;
}
.hero-slide.active { display: flex; }

/* ───── 중앙 1컬럼 레이아웃 ───── */
.hero-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 36px;
    width: 100%;
}

/* ───── 텍스트 (중앙) ───── */
.hero-text { position: relative; z-index: 2; text-align: center; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 7px 18px;
    background: rgba(85,58,231,.08);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(85,58,231,.2);
    border-radius: 30px;
    font-size: 17px; font-weight: 600;
    color: var(--point-light);
    margin-bottom: 20px;
}
.hero-badge i { font-size: 16px; }
.hero-title {
    font-size: 46px; font-weight: 800;
    line-height: 1.2; color: #ffffff;
    margin-bottom: 20px;
    letter-spacing: -.03em;
}
.text-gradient {
    background: linear-gradient(135deg, var(--point), var(--point-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    font-size: 17px; line-height: 1.7;
    color: rgba(255,255,255,.5);
    margin-bottom: 32px;
    font-weight: 400;
    max-width: 540px; margin-left: auto; margin-right: auto;
}

/* ───── 히어로 버튼 ───── */
.hero-btns { display: flex; gap: 12px; justify-content: center; }
.hero-btns .btn-glow {
    background: linear-gradient(135deg, var(--point), var(--accent));
    color: #fff;
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(85,58,231,.35);
}
.hero-btns .btn-glow:hover {
    box-shadow: 0 8px 32px rgba(85,58,231,.5);
    background: linear-gradient(135deg, var(--accent), var(--point-light));
}
.hero-btns .btn-glass {
    background: rgba(255,255,255,.06);
    color: rgba(255,255,255,.8);
    border: 1px solid rgba(255,255,255,.12);
    backdrop-filter: blur(12px);
}
.hero-btns .btn-glass:hover {
    background: rgba(255,255,255,.12);
    color: #fff;
    border-color: rgba(85,58,231,.3);
}

/* ───── 통계 영역 (중앙 가로 배치) ───── */
.hero-side {
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-stats {
    display: flex; flex-direction: row; gap: 0;
    padding: 24px 44px;
    background: rgba(255,255,255,.06);
    backdrop-filter: blur(24px);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 20px;
    min-width: 220px;
}
.stat-item { text-align: center; padding: 0 32px; }
.stat-item strong { font-size: 34px; font-weight: 800; color: #fff; }
.stat-item span { font-size: 18px; font-weight: 700; color: var(--point-light); }
.stat-item p { font-size: 17px; color: rgba(255,255,255,.4); margin-top: 6px; font-weight: 500; }
.stat-divider { width: 1px; height: 44px; background: rgba(255,255,255,.08); margin: 0; align-self: center; }

/* ───── 애니메이션 ───── */
.animate-pop { animation: popIn .6s cubic-bezier(.16,1,.3,1) both; }
.animate-up { animation: slideUp .7s cubic-bezier(.16,1,.3,1) both; }
.delay-1 { animation-delay: .15s; }
.delay-2 { animation-delay: .3s; }
.delay-3 { animation-delay: .45s; }
@keyframes popIn { from { opacity:0; transform:scale(.85); } to { opacity:1; transform:scale(1); } }
@keyframes slideUp { from { opacity:0; transform:translateY(28px); } to { opacity:1; transform:translateY(0); } }

/* ───── 좌우 화살표 (화면 양쪽 끝) ───── */
.hero-prev, .hero-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 48px; height: 48px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 50%;
    color: rgba(255,255,255,.6); font-size: 16px;
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
    cursor: pointer;
}
.hero-prev { left: 20px; }
.hero-next { right: 20px; }
.hero-prev:hover, .hero-next:hover {
    background: rgba(85,58,231,.25);
    border-color: rgba(85,58,231,.5);
    color: #fff;
}

/* ───── 하단 도트 ───── */
.hero-dots {
    position: absolute; bottom: 24px; left: 50%;
    transform: translateX(-50%);
    display: flex; gap: 10px;
    z-index: 10;
}
.hero-dot {
    width: 8px; height: 8px;
    border-radius: 8px;
    background: rgba(255,255,255,.2);
    border: none;
    transition: var(--transition);
    cursor: pointer;
}
.hero-dot.active {
    width: 28px;
    background: var(--point);
}