/* ── home.css : 최상위 index.html 전용 스타일 ── */

/* Hero */
.home-hero {
    padding: 72px 0 48px;
    text-align: center;
}
.home-hero h1 {
    font-size: clamp(36px, 6vw, 52px);
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.1;
    background: linear-gradient(120deg, var(--text-1) 30%, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 18px;
}
.home-hero p {
    color: var(--text-2);
    font-size: 16px;
    line-height: 1.7;
    max-width: 520px;
    margin: 0 auto 28px;
}
.home-hero-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}
.home-hero-badges span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 14px;
    background: var(--accent-bg);
    color: var(--accent);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
}
.home-hero-badges span::before {
    content: "✓";
    font-size: 11px;
}

/* Tools section */
.tools-section {
    padding-bottom: 64px;
}
.tools-section-title {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-1);
    margin-bottom: 16px;
    text-align: center;
}

/* Tool grid */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
    list-style: none;
}

/* Tool card */
.tool-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 22px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow-sm);
    transition:
        border-color 0.18s,
        box-shadow 0.18s,
        transform 0.18s;
    position: relative;
    overflow: hidden;
}
.tool-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(79, 128, 255, 0.04) 0%,
        transparent 60%
    );
    opacity: 0;
    transition: opacity 0.18s;
    pointer-events: none;
}
.tool-card:hover {
    border-color: var(--accent-2);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.tool-card:hover::after {
    opacity: 1;
}
/* PC: display:contents로 header 래퍼 무시 → 아이콘·타이틀이 card 세로 흐름에 직접 참여 */
.tool-card-header {
    display: contents;
}
.tool-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--accent-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}
.tool-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-1);
    line-height: 1.3;
    margin-top: 6px;
}
.tool-card-desc {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.5;
    margin-top: 8px;
}

/* Features strip */
.features-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 48px 0 56px;
    padding: 32px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}
.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
    padding: 8px;
}
.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--accent-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}
.feature-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-1);
}
.feature-desc {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.5;
}

/* Home topbar — 최대 너비 넓힘 */
.home-topbar-inner {
    max-width: 1040px;
}
.home-wrap {
    max-width: 880px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Home footer */
.home-footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 40px 0 32px;
    margin-top: 0;
}
.home-footer-inner {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}
.home-footer-copy {
    color: var(--text-2);
    font-size: 13px;
}
.home-footer-links {
    display: flex;
    gap: 4px;
}

/* Responsive */
@media (max-width: 720px) {
    .tool-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .features-strip {
        grid-template-columns: 1fr;
        padding: 24px 20px;
    }
    .home-hero {
        padding: 48px 0 32px;
        text-align: left;
    }
    .home-hero-badges {
        justify-content: flex-start;
    }

    /* 카드: 아이콘 + 타이틀 한 줄 가로 배치 */
    .tool-card {
        gap: 8px;
        padding: 16px 14px;
    }
    .tool-card-header {
        display: flex;        /* 모바일에서 display:contents 오버라이드 → 가로 배치 */
        align-items: center;
        gap: 10px;
    }
    .tool-card-icon {
        width: 36px;
        height: 36px;
        font-size: 17px;
        flex-shrink: 0;
    }
    .tool-card-title {
        font-size: 14px;
        line-height: 1.2;
        margin-top: 0;        /* 가로 배치라 상단 여백 불필요 */
    }
    .tool-card-desc {
        font-size: 14px;
        margin-top: 4px;
        color: var(--text-2);
    }
}
@media (max-width: 400px) {
    .tool-grid {
        grid-template-columns: 1fr;
    }
}

/* ── 카테고리 필터 버튼 ── */
.tools-filter {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.filter-btn {
    padding: 8px 18px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-2);
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}
.filter-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-bg);
}
.filter-btn--active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.filter-btn--active:hover {
    background: var(--accent);
    color: #fff;
}