@charset "UTF-8";

/* 기본 리셋 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #050505;
    color: #e0e0e0;
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 중앙 정렬 컨테이너 */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 30px;
}

/* 각 섹션 공통 여백 */
section {
    padding: 130px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

section:last-child {
    border-bottom: none;
}

/* =========================================
   Header (최상단 고정 로고)
========================================= */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 25px 0;
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
}

.logo {
    font-size: 1.1rem;
    font-weight: 900;
    letter-spacing: 3px;
    color: #ffffff;
}

/* =========================================
   Hero Section 
========================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    padding-bottom: 100px;

    background-color: #050505;
    background-image:
        linear-gradient(to bottom, rgba(5, 5, 5, 0) 65%, #050505 100%),
        radial-gradient(circle at 20% 30%, rgba(212, 175, 55, 0.08) 0%, transparent 60%),
        radial-gradient(circle at 80% 80%, rgba(184, 115, 51, 0.06) 0%, transparent 60%),
        repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.015) 0px, rgba(255, 255, 255, 0.015) 1px, transparent 1px, transparent 4px);

    border-bottom: none;
}

.hero h1 {
    font-size: 5.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 35px;
    letter-spacing: -2px;
    color: #ffffff;
    position: relative;
    z-index: 2;
    text-shadow: 0px 4px 20px rgba(0, 0, 0, 0.8);
}

.hero .sub-copy {
    font-size: 1.25rem;
    color: #999999;
    max-width: 650px;
    font-weight: 400;
    word-break: keep-all;
    position: relative;
    z-index: 2;
}

.hero strong {
    color: #d4af37;
}

/* =========================================
   타이포그래피 및 본문
========================================= */
h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 25px;
    color: #ffffff;
    letter-spacing: -1px;
}

.section-desc {
    font-size: 1.1rem;
    color: #777777;
    margin-bottom: 60px;
    max-width: 750px;
    word-break: keep-all;
}

/* =========================================
   포트폴리오 CI 및 에셋 리스트 
========================================= */
.portfolio-logos {
    display: flex;
    gap: 20px;
    margin-bottom: 80px;
    flex-wrap: wrap;
}

.logo-box {
    width: 200px;
    height: 80px;
    background-color: #0a0a0a;
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #444444;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
}

.asset-list {
    list-style: none;
}

.asset-list li {
    margin-bottom: 50px;
}

.asset-list h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
    border-left: 3px solid #d4af37;
    padding-left: 15px;
}

.asset-list p {
    color: #888888;
    font-size: 1.1rem;
    max-width: 750px;
    word-break: keep-all;
    padding-left: 18px;
}

/* =========================================
   CTA 버튼 
========================================= */
.cta {
    padding-bottom: 200px;
}

.btn-pitch {
    display: inline-block;
    background-color: #ffffff;
    color: #000000;
    padding: 18px 45px;
    font-size: 1.1rem;
    font-weight: 900;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-pitch:hover {
    background-color: #d4af37;
    color: #111111;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.15);
}

/* =========================================
   푸터 (Footer) 
========================================= */
.main-footer {
    background-color: #030303;
    padding: 80px 0 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 60px;
}

.footer-brand {
    font-size: 1.2rem;
    font-weight: 900;
    letter-spacing: 2px;
    color: #ffffff;
}

.footer-info p {
    color: #777777;
    font-size: 0.95rem;
    text-align: right;
    margin-bottom: 5px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 20px;
    color: #555555;
    font-size: 0.85rem;
}

.footer-bottom .locations {
    letter-spacing: 1.5px;
    color: #888888;
}

/* =========================================
   애니메이션 (Fade In Up) 속성
========================================= */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   모바일 최적화 (반응형 쿼리)
========================================= */
@media screen and (max-width: 768px) {
    section {
        padding: 80px 0;
    }

    .hero {
        padding-top: 150px;
        padding-bottom: 80px;
    }

    .hero h1 {
        font-size: 3.2rem;
        margin-bottom: 20px;
    }

    .hero .sub-copy {
        font-size: 1.05rem;
    }

    h2 {
        font-size: 2rem;
    }

    .section-desc {
        font-size: 1rem;
        margin-bottom: 40px;
    }

    .portfolio-logos {
        gap: 10px;
        margin-bottom: 50px;
    }

    .logo-box {
        width: 100%;
        height: 70px;
    }

    .asset-list h3 {
        font-size: 1.3rem;
    }

    .asset-list p {
        font-size: 1rem;
        padding-left: 15px;
    }

    .footer-content,
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: left;
    }

    .footer-info p {
        text-align: left;
    }
}