/* ============================================================
   INSIGHTS — image-free listing cards + article reading template
   ============================================================ */
/* listing cards */
.ins-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ins-card { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 30px 28px; overflow: hidden; transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s; }
.ins-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; transform: scaleX(0); transform-origin: left; background: linear-gradient(90deg, var(--green), var(--blue), var(--violet, #6a5cff)); transition: transform .5s var(--ease); }
.ins-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(51,46,135,.18); }
.ins-card:hover::before { transform: scaleX(1); }
.ins-tag { align-self: flex-start; font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--indigo); background: rgba(51,46,135,.08); padding: 6px 12px; border-radius: 99px; margin-bottom: 16px; }
.ins-card h3 { font-size: 20px; line-height: 1.3; margin-bottom: 10px; }
.ins-card h3 a { color: var(--ink); transition: color .25s; }
.ins-card:hover h3 a { color: var(--indigo); }
.ins-excerpt { color: var(--gray); font-size: 14.5px; line-height: 1.6; margin-bottom: 22px; flex: 1; }
.ins-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); }
.ins-author { display: flex; align-items: center; gap: 10px; }
.ins-author .avatar { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: 13px; color: #fff; background: linear-gradient(135deg, var(--indigo), var(--blue)); }
.ins-author strong { display: block; font-size: 13.5px; color: var(--ink); }
.ins-author span { font-size: 12px; color: var(--gray-light); }
.ins-read { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; font-size: 13.5px; color: var(--green-dark); }
.ins-read svg { transition: transform .3s var(--ease); }
.ins-read:hover svg { transform: translate(3px, -3px); }

/* article reading template */
.art-hero { background: linear-gradient(150deg, var(--indigo-deep), var(--indigo)); color: #fff; padding: clamp(120px,15vw,170px) 0 clamp(40px,6vw,64px); }
.art-hero .breadcrumbs, .art-hero .breadcrumbs a, .art-hero .breadcrumbs span { color: rgba(255,255,255,.6); }
.art-tag { display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--mint, #7fe0ab); margin: 16px 0 14px; }
.art-hero h1 { font-family: var(--serif); font-weight: 500; font-size: clamp(30px,4.6vw,56px); line-height: 1.08; max-width: 20ch; }
.art-sub { color: rgba(255,255,255,.82); font-size: clamp(16px,1.6vw,20px); line-height: 1.6; margin-top: 18px; max-width: 60ch; }
.art-meta { display: flex; align-items: center; gap: 12px; margin-top: 30px; }
.art-meta .avatar { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; color: #fff; background: linear-gradient(135deg, var(--green), var(--blue)); }
.art-meta strong { display: block; font-size: 15px; }
.art-meta strong a { color: #fff; text-decoration: none; transition: color .25s; }
.art-meta strong a:hover { color: var(--mint, #7fe0ab); }
.ins-author strong a { color: inherit; text-decoration: none; transition: color .25s; }
.ins-author strong a:hover { color: var(--indigo); }
.art-meta span { font-size: 13px; color: rgba(255,255,255,.6); }

.art-body { max-width: 760px; margin: 0 auto; padding: clamp(48px,6vw,72px) 24px clamp(56px,8vw,84px); }
.art-body > p { font-size: 17.5px; line-height: 1.85; color: var(--ink); margin-bottom: 22px; }
.art-body .lead { font-size: 20px; line-height: 1.75; color: var(--gray); }
.art-body h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(24px,2.8vw,34px); line-height: 1.2; margin: 44px 0 16px; }
.art-body h3 { font-size: 20px; font-weight: 800; margin: 30px 0 12px; }
.art-body ul, .art-body ol { margin: 0 0 24px; padding-left: 22px; display: grid; gap: 11px; }
.art-body li { font-size: 17px; line-height: 1.7; color: var(--ink); }
.art-body blockquote { margin: 36px 0; padding: 6px 0 6px 26px; border-left: 3px solid var(--green); font-family: var(--serif); font-style: italic; font-size: clamp(20px,2.4vw,27px); line-height: 1.5; color: var(--indigo); }
.art-body strong { font-weight: 800; }
.art-cta { margin-top: 50px; padding: 36px 32px; border-radius: 20px; background: var(--bg-soft); border: 1px solid var(--line); text-align: center; }
.art-cta h3 { font-family: var(--serif); font-weight: 500; font-size: 25px; margin-bottom: 18px; }
.art-back { display: inline-flex; align-items: center; gap: 8px; margin-top: 36px; font-weight: 800; color: var(--indigo); }
.art-back svg { transition: transform .3s var(--ease); }
.art-back:hover svg { transform: translateX(-4px); }

@media (max-width: 900px) { .ins-grid { grid-template-columns: 1fr; } }