/* styles.css */

/* ===== sub1 전체 섹션 배경 ===== */
.sub1-section {
    background-color: #000; /* 또는 #111 */
    padding: 80px 20px;
    color: #fff;
}

/* ===== sub1 내부 grid ===== */
.grid-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .grid-container {
        grid-template-columns: 1fr 1fr;
    }
}

/* ===== 카드 스타일 ===== */
.card {
    background-color: #ffffff;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.card h2 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: #333;
}

.card p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
}

.icon-top {
    font-size: 2rem;
    color: #4a90e2;
    margin-bottom: 1.5rem;
    display: block;
}

/* ===== 공통 애니메이션 (아래에서 위로) ===== */
@keyframes slideFadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 초기 상태 */
.card {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.3s ease-out;
}

/* 스크롤 진입 후 */
.card.in-view {
    animation: slideFadeUp 0.8s ease-out forwards;
}


/* ===== sub2 전용 스타일 ===== */
.sub2-section {
    background-color: #000;
    color: #fff;
    padding: 4rem 2rem;
    text-align: center;
}

.sub2-section h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.sub2-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ccc;
}

.sub2-section p {
	text-align: left;
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
    color: #aaa;
}

@media (max-width: 768px) {
    .sub2-section h1 {
        font-size: 1.8rem; /* 모바일에서 살짝 줄임 */
    }

    .sub2-section h2 {
        font-size: 1.2rem; /* 설명문도 줄임 */
    }
	
	.sub2-section p {
        font-size: 1rem; /* 설명문도 줄임 */
    }
}

/* ===== sub2 애니메이션 - 스크롤 시 작동 ===== */
@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.3s ease-out;
}

.slide-up.in-view {
    animation: slide-up 0.6s ease-out forwards;
}

/* 순차적 애니메이션을 위한 딜레이 */
.sub2-section h1.in-view {
    animation-delay: 0.2s;
}
.sub2-section h2.in-view {
    animation-delay: 0.4s;
}
.sub2-section p.in-view {
    animation-delay: 0.6s;
}