@charset "utf-8";

/* =========================================================================
   [INTRO] ZZAN Starter Introduction - High End Design
   ========================================================================= */

:root {
    --intro-point: #0055FF;
    --intro-black: #0a0a0a;
    --intro-gray: #666666;
    --intro-bg: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.3);
}

.intro-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 30px;
}

.intro-section {
    position: relative;
    padding: 160px 0;
    overflow: hidden;
}

/* --- Section 1: Mission (Hero) --- */
.intro-mission {
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: var(--intro-black);
    color: #fff;
    text-align: center;
    border-bottom: none;
}

.intro-bg-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at center, rgba(0, 85, 255, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    pointer-events: none;
}

.mission-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 40px;
    color: var(--intro-point);
    backdrop-filter: blur(10px);
}

.mission-title {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 40px;
    letter-spacing: -3px;
}
.mission-title .highlight {
    background: linear-gradient(120deg, #0055FF 0%, #00C2FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mission-desc {
    font-size: clamp(18px, 2vw, 22px);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto 50px;
    font-weight: 300;
}

.mission-footer-text {
    font-size: 16px;
    color: var(--intro-point);
    font-weight: 600;
    opacity: 0.8;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    opacity: 0.6;
}
.scroll-indicator .mouse {
    width: 24px;
    height: 40px;
    border: 2px solid #fff;
    border-radius: 20px;
    position: relative;
}
.scroll-indicator .mouse::before {
    content: '';
    position: absolute;
    top: 8px; left: 50%;
    width: 4px; height: 8px;
    background: #fff;
    border-radius: 2px;
    transform: translateX(-50%);
    animation: scrollMouse 2s infinite;
}
.scroll-indicator .text { font-size: 10px; font-weight: 700; letter-spacing: 3px; }

@keyframes scrollMouse {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

/* --- Section 2: Values (Grid) --- */
.intro-values {
    background: #fdfdfd;
}

.value-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 80px;
    margin-bottom: 250px;
}
.value-row:last-child { margin-bottom: 0; }
.value-row.reverse { flex-direction: row-reverse; }

.value-image {
    flex: 1;
    position: relative;
}
.value-image::after {
    content: '';
    position: absolute;
    top: 20px; left: 20px; right: -20px; bottom: -20px;
    border: 2px solid var(--intro-point);
    border-radius: 20px;
    z-index: 0;
    opacity: 0.3;
}
.value-image img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.1);
}

.value-text {
    flex: 1;
}

.value-label {
    font-size: 14px;
    font-weight: 800;
    color: var(--intro-point);
    margin-bottom: 20px;
    display: block;
    letter-spacing: 2px;
}

.value-title {
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 800;
    color: var(--intro-black);
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: -2px;
}

.value-target {
    display: inline-block;
    padding: 5px 15px;
    background: #eff5ff;
    color: var(--intro-point);
    font-size: 14px;
    font-weight: 700;
    border-radius: 5px;
    margin-bottom: 30px;
}

.value-desc {
    font-size: 18px;
    color: var(--intro-gray);
    line-height: 1.8;
    margin-bottom: 40px;
}

.value-features {
    margin-bottom: 40px;
}
.value-features li {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    font-size: 16px;
    color: var(--intro-black);
}
.value-features li span {
    width: 120px;
    font-weight: 800;
    font-size: 13px;
    text-transform: uppercase;
    color: var(--intro-point);
    flex-shrink: 0;
}

.btn-detail {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 45px 15px 45px; /* 균등 패딩 */
    border: 2px solid var(--intro-black);
    border-radius: 50px;
    font-weight: 800;
    font-size: 15px;
    transition: all 0.4s;
    color: var(--intro-black);
    text-align: center;
    position: relative;
    min-width: 180px;
}
.btn-detail i { 
    position: absolute;
    right: 25px; /* 아이콘을 우측에 절대 배치하여 텍스트 정렬에 영향을 주지 않음 */
    font-size: 16px; 
    transition: transform 0.3s;
}
.btn-detail:hover i { transform: translateX(5px); }
.btn-detail:hover {
    background: var(--intro-black);
    color: #fff;
}
.btn-detail:hover i { transform: translateX(8px); }

/* --- Section 3: Closing (CTA) --- */
.intro-closing {
    padding: 200px 0;
    text-align: center;
    background: var(--intro-black);
    color: #fff;
}

.closing-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0.3;
    z-index: 0;
}
.closing-bg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%); }

.closing-content {
    position: relative;
    z-index: 1;
}

.closing-text {
    font-size: 20px;
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.8;
}

.closing-title {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    margin-bottom: 60px;
    letter-spacing: -2px;
    line-height: 1.2;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 25px 80px 25px 80px; /* 텍스트 보호를 위한 넓은 패딩 */
    background: var(--intro-point);
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    border-radius: 60px;
    transition: all 0.4s;
    box-shadow: 0 20px 40px rgba(0, 85, 255, 0.3);
    text-align: center;
    position: relative;
}
.btn-cta i {
    position: absolute;
    right: 40px; /* 아이콘 우측 고정 */
    font-size: 20px;
    transition: transform 0.3s;
}
.btn-cta:hover i { transform: translateX(10px); }
.btn-cta:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 85, 255, 0.5);
    background: #0044cc;
}

/* --- Advanced Animations --- */
[data-animate] { opacity: 0; }

[data-animate="fade-up"] { transform: translateY(60px); transition: all 1.2s cubic-bezier(0.2, 1, 0.3, 1); }
[data-animate="fade-right"] { transform: translateX(-60px); transition: all 1.2s cubic-bezier(0.2, 1, 0.3, 1); }
[data-animate="fade-left"] { transform: translateX(60px); transition: all 1.2s cubic-bezier(0.2, 1, 0.3, 1); }

[data-animate].animated {
    opacity: 1;
    transform: translate(0, 0);
}

/* --- Responsive --- */
@media screen and (max-width: 1024px) {
    .intro-container { padding: 0 20px; }
    .intro-section { padding: 80px 0; }
    
    .mission-title { font-size: 32px; letter-spacing: -1px; }
    .mission-desc { font-size: 16px; padding: 0 10px; }
    
    .value-row, .value-row.reverse { flex-direction: column !important; gap: 30px; margin-bottom: 100px; }
    .value-image, .value-text { width: 100% !important; flex: none; }
    .value-image img { height: auto; max-height: 300px; width: 100%; }
    .value-image::after { display: none; }
    
    .value-title { font-size: 26px; }
    .value-features li { flex-direction: column; align-items: flex-start; gap: 5px; }
    .value-features li span { width: auto; font-size: 12px; }
    
    .closing-title { font-size: 28px; letter-spacing: -1px; }
    .btn-cta { padding: 18px 40px; font-size: 16px; width: 100%; justify-content: center; }
}