/* =====================================================================
   HiuHiu IELTS — card layout (spacing & structure)
   ===================================================================== */
.grid { gap: 22px; }
.card { padding: 28px 30px; }
@media (max-width: 620px) { .card { padding: 22px 22px; } .grid { gap: 16px; } }

/* A "tile" is a card split into top / body / foot, foot pinned to the bottom */
.card.tile { display: flex; flex-direction: column; gap: 0; min-height: 100%; padding: 30px 30px 24px; }
.tile-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 22px; margin-bottom: 16px; }
.tile-body { flex: 1; }
.tile-body h3 { margin: 0 0 10px; font-size: 17px; line-height: 1.4; }
.tile-body p { margin: 0; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.tile-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--border); }
.tile-link { font-size: 13.5px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.tile-link .arr { display: inline-block; transition: transform .35s var(--ease-out, ease); }
.card.tile:hover .tile-link .arr { transform: translateX(5px); }
.tile-eyebrow { font-size: 11px; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; color: var(--primary); }
.tile-num { font-family: var(--font-head, inherit); font-size: 13px; font-weight: 600; color: var(--muted); background: var(--bg-2); border-radius: 8px; padding: 3px 9px; letter-spacing: .02em; }
.card.tile:hover .tile-num { background: var(--primary-soft); color: var(--primary); }

/* home feature cards */
.feature-card { padding: 32px 32px 26px; }
.feature-card .feature-icon { width: 56px; height: 56px; border-radius: 16px; font-size: 26px; margin: 0 0 22px; box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--text) 6%, transparent); }
.feature-card .tile-body h3 { font-size: 18px; margin-bottom: 10px; }
.feature-card .tile-body p { -webkit-line-clamp: 4; }

/* skills guide cards */
.guide-card .tile-body h3 { font-size: 16.5px; }
.guide-card .tile-body p { font-size: 14px; color: var(--muted); }

/* vocab set cards */
.vocab-set .tile-top { margin-bottom: 12px; }
.vocab-set .tile-body h3 { font-size: 18px; margin-bottom: 4px; }
.vocab-set .tile-body p { font-size: 14px; color: var(--muted); }
.vocab-foot { flex-direction: column; align-items: stretch; gap: 14px; }
.vocab-foot .meta { display: flex; gap: 8px; flex-wrap: wrap; margin: 0; }
.vocab-foot .progress-bar { height: 6px; }

/* grammar lesson cards */
a.card.lesson-card { padding: 26px 28px; gap: 18px; }
.lesson-card h3 { margin-bottom: 8px; }
.lesson-card .row { margin-bottom: 10px !important; }

/* other cards that used tight padding */
.stage .card { padding: 28px 30px; }
.stat-card { padding: 26px 28px; }
.stat-card .stat-num { margin: 6px 0 12px; }
.test-row { padding: 20px 26px; }
.exercises { padding: 34px 38px; }
.lesson-body { padding: 38px 44px; }
.unit-block h2 { margin-bottom: 18px; }
.section-title { margin: 44px 0 18px; }
@media (max-width: 620px) { .exercises, .lesson-body { padding: 24px 20px; } .feature-card, .card.tile { padding: 24px 22px 20px; } }
.vocab-foot { border-top: none; padding-top: 0; margin-top: 20px; }