/* Adam Solutions — components */

/* ---- Buttons ---- */
.btn {
	display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
	padding: 14px 28px; border: 1px solid transparent; border-radius: var(--radius-sm);
	background: var(--a-red); color: var(--a-on-red);
	font: inherit; font-weight: 700; font-size: .95rem; line-height: 1;
	cursor: pointer; text-decoration: none; transition: .22s var(--ease);
}
.btn:hover { background: var(--a-red-hover); color: #fff; text-decoration: none; transform: translateY(-2px); box-shadow: 0 10px 26px var(--a-red-glow); }
.btn svg { width: 17px; height: 17px; }
.btn--ghost { background: transparent; border-color: var(--a-border); color: var(--a-text); }
.btn--ghost:hover { background: var(--a-surface); border-color: var(--a-red); color: var(--a-text); box-shadow: none; }
.btn--lg { padding: 17px 34px; font-size: 1rem; }
.btn--sm { padding: 10px 16px; font-size: .72rem; }
.btn--block { width: 100%; }

/* ---- Card ---- */
.card {
	background: var(--a-surface); border: 1px solid var(--a-border); border-radius: var(--radius);
	overflow: hidden; transition: .28s var(--ease); position: relative;
}
.card:hover { border-color: var(--a-red); transform: translateY(-4px); box-shadow: 0 18px 40px rgba(0,0,0,.5); }
/* `display: block` là BẮT BUỘC: .card__media là thẻ <a> nên mặc định inline, mà
   `aspect-ratio` KHÔNG áp dụng cho phần tử inline không-thay-thế. Thiếu dòng này thì ảnh
   phình lên ~453px thay vì 239px, đẩy .card__body ra ngoài và bị `.card{overflow:hidden}`
   cắt mất hoàn toàn — card chỉ còn ảnh, mất ngày/tiêu đề/trích đoạn. */
.card__media { display: block; position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--a-surface-2); }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.card:hover .card__media img { transform: scale(1.06); }
.card__body { padding: var(--sp-5); }
.card__title { font-size: 1.1rem; margin-bottom: var(--sp-2); }
.card__title a { color: var(--a-text); }
.card__title a:hover { color: var(--a-red-hover); }
.card__text { color: var(--a-text-muted); font-size: .93rem; margin: 0; }

/* Badge / tag */
.tag {
	display: inline-block; padding: 4px 11px; border-radius: 999px;
	background: var(--a-red-dim); color: var(--a-red-hover);
	font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.tag--solid { background: var(--a-red); color: #fff; }

/* ---- Blog / archive ---- */
.entry-list { display: grid; gap: var(--sp-5); grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
/* `composes:` là cú pháp CSS Modules, KHÔNG phải CSS hợp lệ — trình duyệt bỏ qua.
   Markup đã gắn sẵn cả hai class (`entry-card card`) nên bỏ dòng chết này đi. */
.entry-meta { color: var(--a-text-dim); font-size: .84rem; margin-bottom: var(--sp-3); }
.entry { max-width: 800px; margin-inline: auto; }
.entry__header { margin-bottom: var(--sp-6); }
.entry__thumb { margin: 0 0 var(--sp-6); border-radius: var(--radius); overflow: hidden; }
.entry__content > * { margin-bottom: var(--sp-4); }
.entry__content h2, .entry__content h3 { margin-top: var(--sp-7); }
.entry__content blockquote {
	margin: var(--sp-6) 0; padding: var(--sp-4) var(--sp-5);
	border-left: 3px solid var(--a-red); background: var(--a-surface); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
	color: var(--a-text-muted);
}

.breadcrumb { font-size: .86rem; color: var(--a-text-dim); margin-bottom: var(--sp-6); }
.breadcrumb a { color: var(--a-text-muted); }
.breadcrumb .sep { margin-inline: var(--sp-2); }

.archive-header { margin-bottom: var(--sp-7); }
.archive-desc { color: var(--a-text-muted); }

/* ---- Page hero (trang con) — cùng ngôn ngữ với sân khấu trang chủ ---- */
.page-hero {
	position: relative; padding-block: clamp(64px, 8vw, 116px);
	background: var(--a-bg-alt); border-bottom: 1px solid var(--a-border-soft);
	overflow: hidden;
}
/* Vệt đèn sân khấu — thuần CSS, không ảnh, không thư viện */
.page-hero::before {
	content: ""; position: absolute; left: 8%; top: -60%; width: 220px; height: 200%;
	pointer-events: none;
	background: linear-gradient(to bottom, var(--a-red-glow), transparent 62%);
	filter: blur(46px); opacity: .5;
	transform: rotate(11deg); transform-origin: top center;
}
.page-hero::after {
	content: ""; position: absolute; inset: 0; pointer-events: none;
	background:
		radial-gradient(680px 320px at 82% -10%, var(--a-red-dim), transparent 70%),
		linear-gradient(to top, var(--a-bg) 0%, transparent 55%);
}
.page-hero--bold { padding-block: clamp(80px, 10vw, 150px); }
.page-hero--bold::before { opacity: .8; width: 300px; }
.page-hero > .container { position: relative; z-index: 1; }
.page-hero h1 { margin-bottom: var(--sp-3); }
.page-hero p { color: var(--a-text-muted); max-width: 640px; margin: 0; }

/* ---- Form ---- */
.form-row { display: grid; gap: var(--sp-4); margin-bottom: var(--sp-4); }
.form-row--2 { grid-template-columns: 1fr 1fr; }
.field label { display: block; font-size: .85rem; font-weight: 600; color: var(--a-text-muted); margin-bottom: 6px; }
.field label .req { color: var(--a-red); }
.field input, .field select, .field textarea {
	width: 100%; padding: 13px 15px; font: inherit; font-size: .95rem;
	background: var(--a-surface); color: var(--a-text);
	border: 1px solid var(--a-border); border-radius: var(--radius-sm);
	transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { min-height: 130px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--a-text-dim); }
.field input:focus, .field select:focus, .field textarea:focus {
	outline: none; border-color: var(--a-red); box-shadow: 0 0 0 3px var(--a-red-dim);
}
.form-note { font-size: .84rem; color: var(--a-text-dim); }
.form-msg { padding: var(--sp-3) var(--sp-4); border-radius: var(--radius-sm); margin-bottom: var(--sp-4); font-size: .92rem; }
.form-msg--ok  { background: rgba(34,197,94,.12); color: #4ade80; border: 1px solid rgba(34,197,94,.3); }
.form-msg--err { background: var(--a-red-dim); color: var(--a-red-hover); border: 1px solid rgba(225,29,42,.35); }

.search-form { display: flex; gap: var(--sp-2); max-width: 440px; }
.search-form input[type="search"] {
	flex: 1; padding: 13px 15px; font: inherit;
	background: var(--a-surface); color: var(--a-text);
	border: 1px solid var(--a-border); border-radius: var(--radius-sm);
}
.search-form input[type="search"]:focus { outline: none; border-color: var(--a-red); }

/* ---- Pagination ---- */
.pagination { margin-top: var(--sp-8); }
.pagination .nav-links { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.pagination .page-numbers {
	display: grid; place-items: center; min-width: 42px; height: 42px; padding-inline: 12px;
	border: 1px solid var(--a-border); border-radius: var(--radius-sm);
	color: var(--a-text-muted); font-weight: 600; font-size: .9rem;
}
.pagination .page-numbers:hover { border-color: var(--a-red); color: var(--a-text); }
.pagination .page-numbers.current { background: var(--a-red); border-color: var(--a-red); color: #fff; }

/* ---- Misc ---- */
.no-results, .error-404 { text-align: center; padding-block: var(--sp-9); }
.no-results .search-form, .error-404 .search-form { margin-inline: auto; }
.error-404 h1 { font-size: clamp(3rem, 2rem + 6vw, 7rem); color: var(--a-red); }

.sidebar .widget { background: var(--a-surface); border: 1px solid var(--a-border); border-radius: var(--radius); padding: var(--sp-5); margin-bottom: var(--sp-5); }
.widget-title { font-size: 1rem; margin-bottom: var(--sp-4); }
.sidebar ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--sp-3); }
.sidebar a { color: var(--a-text-muted); }

/* ---- Reveal khi cuộn tới, kèm vệt sáng quét qua ---- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
/* Không JS: hiện hết, không giấu nội dung sau IntersectionObserver */
html:not(.js) .reveal { opacity: 1; transform: none; }

.sweep { position: relative; overflow: hidden; }
.sweep::after {
	content: ""; position: absolute; inset: 0; pointer-events: none;
	background: linear-gradient(105deg, transparent 38%, rgba(255,255,255,.09) 50%, transparent 62%);
	transform: translateX(-110%);
}
.sweep.is-visible::after { animation: sweep-pass .5s var(--ease) .12s 1; }
@keyframes sweep-pass { to { transform: translateX(110%); } }

/* ---- Card nghiêng theo con trỏ (tối đa 4 độ — tinh tế, không phải đồ chơi) ---- */
.tilt { transform-style: preserve-3d; transition: transform .3s var(--ease); }
.tilt-wrap { perspective: 900px; }
@media (hover: none) {
	.tilt { transform: none !important; }
}

@media (max-width: 620px) {
	.form-row--2 { grid-template-columns: 1fr; }
}