@charset "UTF-8";

/* ==========================================================================
   0. RESET & DESIGN TOKENS
   ========================================================================== */
:root {
    --bg-dark-primary: #030712;
    --bg-dark-secondary: #080f1e;
    --accent-blue: #2ebcf9;
    --accent-blue-hover: #5cd0ff;
    --accent-blue-rgb: 46, 188, 249;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.45);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-line: rgba(46, 188, 249, 0.25);
    --transition-fast: 0.25s ease;
    --transition-normal: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.promotion-page {
    background-color: var(--bg-dark-primary);
    color: var(--text-primary);
    font-family: 'Jost', 'Noto Sans KR', sans-serif;
    overflow-x: hidden;
}

.max-layout-width {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    box-sizing: border-box;
}

.blue-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 12px;
}

.font-glow { text-shadow: 0 0 20px rgba(255, 255, 255, 0.1); }

/* ==========================================================================
   1. HERO BANNER ZONE
   ========================================================================== */
.about-hero {
    height: 55vh;
    min-height: 420px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #000;
    padding-top: 80px;
    box-sizing: border-box;
}

.about-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-overlay-filter {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
    rgba(3, 7, 18, 0.2) 0%,
    rgba(3, 7, 18, 0.6) 70%,
    var(--bg-dark-primary) 100%
    );
    z-index: 2;
    pointer-events: none;
}

.hero-flex-wrap {
    width: 100%;
    display: flex;
    justify-content: center;
}

.about-hero-inner {
    position: relative;
    z-index: 3;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.eng-sub {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    color: var(--accent-blue);
    text-transform: uppercase;
    display: block;
    margin-bottom: 1.25rem;
    text-shadow: 0 0 15px rgba(46, 188, 249, 0.45);
}

.hero-main-title {
    font-size: clamp(3.2rem, 5vw, 4.8rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: 0.08em;
    margin-bottom: 2rem;
    text-transform: uppercase;
    background: linear-gradient(135deg, #ffffff 0%, #a5e3ff 50%, #2ebcf9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.9))
    drop-shadow(0 0 20px rgba(46, 188, 249, 0.25));
}

.brand-logo-wrap {
    display: flex;
    justify-content: center;
    width: 100%;
}

.hero-center-logo {
    height: 2.2rem;
    width: auto;
    object-fit: contain;
    opacity: 0.85;
}

.reveal-element {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.reveal-element.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   2. PROMOTION CORE SECTION (완벽 세로 정렬 & 하이테크 스틸 패널)
   ========================================================================== */
.promotion-core-section {
    padding: 80px 0 120px;
    background-color: var(--bg-dark-primary);
    width: 100%;
    box-sizing: border-box;
}

.section-header-center {
    text-align: center;
    margin-bottom: 60px;
}

.eng-sub-tag {
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    color: var(--accent-blue);
    display: block;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.section-header-center .desc-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto;
    line-height: 1.7;
}

/* 🌟 핵심: 좌/우 높이를 100% 동일하게 당겨 맞추는 정렬 축 */
.promo-flex-container {
    display: flex;
    align-items: stretch; /* 좌우 높이 완벽 밀착 */
    gap: 40px;
    width: 100%;
    margin-bottom: 50px;
}

/* 좌측 비주얼 테크 패널 */
.promo-visual-block {
    width: 48%;
    display: flex;
}

.tech-panel-box {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 480px;
    background: linear-gradient(145deg, rgba(8, 15, 30, 0.8) 0%, rgba(3, 7, 18, 0.95) 100%);
    border: 1px solid var(--border-line);
    border-radius: 14px;
    padding: 30px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), 0 0 30px rgba(46, 188, 249, 0.1);
    backdrop-filter: blur(12px);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.tech-panel-box:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
    box-shadow: 0 25px 60px rgba(46, 188, 249, 0.25);
}

.mockup-img {
    width: 100%;
    max-height: 400px;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.8));
    transition: transform var(--transition-normal);
}

.tech-panel-box:hover .mockup-img {
    transform: scale(1.03);
}

/* 스캔 레이저 빔 애니메이션 */
.promo-scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent 0%, var(--accent-blue) 50%, transparent 100%);
    box-shadow: 0 0 15px var(--accent-blue);
    opacity: 0.7;
    animation: promoScanAnim 5s infinite ease-in-out;
    z-index: 3;
    pointer-events: none;
}

@keyframes promoScanAnim {
    0% { top: -5%; }
    50% { top: 105%; }
    100% { top: -5%; }
}

.mockup-badge-overlay {
    position: absolute;
    bottom: 16px;
    left: 20px;
    background: rgba(3, 7, 18, 0.85);
    border: 1px solid rgba(46, 188, 249, 0.3);
    padding: 6px 14px;
    border-radius: 20px;
    backdrop-filter: blur(8px);
}

.mockup-badge-overlay span {
    font-size: 0.72rem;
    font-weight: 800;
    color: var(--accent-blue);
    letter-spacing: 0.12em;
}

/* 우측 정보 패널 */
.promo-info-block {
    width: 52%;
    display: flex;
}

.info-card-inner {
    width: 100%;
    background: rgba(8, 15, 30, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    padding: 40px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    backdrop-filter: blur(12px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.info-lead-header {
    margin-bottom: 25px;
}

.lead-tag {
    font-size: 0.82rem;
    font-weight: 800;
    color: var(--accent-blue);
    letter-spacing: 0.15em;
    display: block;
    margin-bottom: 10px;
}

.info-lead-header .lead-title {
    font-size: 1.65rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.45;
    letter-spacing: -0.01em;
    margin: 0;
    word-break: keep-all;
}

.brand-highlight {
    color: var(--accent-blue);
    text-shadow: 0 0 12px rgba(46, 188, 249, 0.3);
}

.divider-line {
    color: rgba(255, 255, 255, 0.2);
    margin: 0 6px;
    font-weight: 400;
}

/* 고급 반투명 스펙 테이블 카드 */
.spec-table-row-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 25px;
}

.spec-row {
    display: flex;
    background: rgba(3, 7, 18, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.spec-row:hover {
    border-color: rgba(46, 188, 249, 0.4);
    transform: translateX(4px);
}

.row-th {
    width: 140px;
    background-color: rgba(46, 188, 249, 0.08);
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--accent-blue);
    padding: 18px 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-right: 1px solid var(--border-subtle);
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.th-icon { font-size: 1rem; }

.row-td {
    padding: 18px 22px;
    font-size: 0.95rem;
    color: #ffffff;
    line-height: 1.65;
    display: flex;
    align-items: center;
    flex-grow: 1;
    word-break: keep-all;
}

.glow-blue-text {
    color: var(--accent-blue);
    font-weight: 700;
    text-shadow: 0 0 10px rgba(46, 188, 249, 0.3);
}

.info-footer-footnote {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 18px;
}

.dot-beacon {
    width: 6px;
    height: 6px;
    background-color: var(--accent-blue);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-blue);
}

/* ==========================================================================
   3. DOWNLOAD BUTTON CONTROLLER (입체 샤인 버튼)
   ========================================================================== */
.promo-action-wrap {
    width: 100%;
    text-align: center;
    margin-top: 20px;
}

.btn-catalog-download {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1rem;
    font-weight: 800;
    color: #030712;
    background-color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
    padding: 16px 60px;
    border-radius: 40px;
    cursor: pointer;
    text-decoration: none;
    letter-spacing: 0.05em;
    overflow: hidden;
    transition: all var(--transition-fast);
    box-shadow: 0 8px 25px rgba(46, 188, 249, 0.35);
}

.btn-catalog-download:hover {
    background-color: var(--accent-blue-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(46, 188, 249, 0.55);
}

.shine-btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 50%;
    height: 200%;
    background: linear-gradient(60deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    transform: rotate(30deg);
    animation: shineAnim 3.5s infinite linear;
}

@keyframes shineAnim {
    0% { left: -60%; }
    30% { left: 140%; }
    100% { left: 140%; }
}

.btn-catalog-download.disabled {
    background-color: rgba(255, 255, 255, 0.05) !important;
    border-color: var(--border-subtle) !important;
    color: var(--text-muted) !important;
    cursor: not-allowed !important;
    box-shadow: none !important;
    transform: none !important;
}

.btn-catalog-download.disabled::after {
    display: none;
}

/* ==========================================================================
   4. RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
    .promo-flex-container {
        flex-direction: column;
        gap: 30px;
    }
    .promo-visual-block, .promo-info-block {
        width: 100%;
    }
    .tech-panel-box {
        min-height: 380px;
    }
}

@media (max-width: 768px) {
    .about-hero { height: 40vh; padding-top: 60px; }
    .hero-main-title { font-size: 2.8rem; }
    .info-card-inner { padding: 25px; }

    .spec-row {
        flex-direction: column;
    }
    .row-th {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
        padding: 12px 15px;
        justify-content: flex-start;
    }
    .row-td {
        padding: 15px 18px;
        font-size: 0.9rem;
    }
    .btn-catalog-download {
        width: 100%;
        box-sizing: border-box;
        padding: 16px 20px;
    }
}