/* =====================================================================
 * Celléva – Trang "Journal" (page 119)
 * Dùng chung tokens & .celleva-container / .celleva-section / .celleva-btn
 * ===================================================================== */

/* =========================================================
 * SECTION 1 – HERO
 * ========================================================= */
.celleva-bl-hero {
	min-height: 840px;
	background-size: cover;
	background-position: center right;
	background-repeat: no-repeat;
	padding: 0;
	display: flex;
	flex-direction: column;
}
.celleva-bl-hero > .celleva-container {
	position: relative;
	flex: 1 1 auto;
	display: flex;
	align-items: center;
	padding-block: clamp(70px, 8vw, 150px);
}
.celleva-bl-hero__text { max-width: 560px; }
.celleva-bl-hero__title {
	font-family: var(--font-display);
	font-weight: 400;             /* Regular */
	font-size: clamp(30px, 8.5vw, 70px);
	overflow-wrap: break-word;
	line-height: 1.05;
	letter-spacing: 0.03em;
	text-transform: uppercase;
	color: var(--cl-text);
	margin: 0 0 10px;
}
.celleva-bl-hero__sub {
	font-family: var(--font-head);
	font-weight: 600;             /* SemiBold */
	font-size: 32px;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--cl-text);
	margin: 0 0 16px;
}
.celleva-bl-hero__desc { color: var(--cl-text-soft); font-weight: 600; font-size: 20px; line-height: 1.8; max-width: 460px; margin: 0; }

/* Nav danh mục – "box" trắng NẰM GIỮA seam banner ↔ section 2 (nổi đè 1 nửa mỗi bên) */
.celleva-bl-hero__navwrap {
	position: relative;
	z-index: 5;
	background: transparent;
	margin-top: clamp(24px, 3vw, 44px);
	margin-bottom: calc(-1 * clamp(70px, 5.5vw, 85px)); /* kéo section 2 lên để box nằm giữa */
	pointer-events: none;                                /* chỉ cho click vào box, không chặn section 2 */
}
/* Container rộng để chứa box 1550px; box canh giữa. */
.celleva-bl-hero__navwrap .celleva-container { max-width: none; text-align: center; }
/* CHỈ áp dụng kiểu "box" cho thanh danh mục trong HERO. */
.celleva-bl-hero__navwrap .celleva-bl-catnav {
	pointer-events: auto;
	display: flex;
	width: 1550px;
	max-width: 100%;
	min-height: 150px;
	align-items: center;
	justify-content: center;
	margin-inline: auto;
	background: #fff;
	border-radius: 15px;
	box-shadow: 0 20px 45px -22px rgba(42,36,34,.30);
	box-sizing: border-box;
}
.celleva-bl-hero__navwrap .celleva-bl-catnav__link {
	flex: 1 1 0;
	text-align: center;
	font-family: var(--font-head);
	font-weight: 700;             /* Bold */
	font-size: 20px;
	line-height: 1.3;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--cl-text);
	padding: 18px clamp(14px, 1.6vw, 30px);
	border-left: 1px solid var(--cl-line);
	transition: color .2s ease;
}
.celleva-bl-hero__navwrap .celleva-bl-catnav__link:first-child { border-left: 0; }
.celleva-bl-hero__navwrap .celleva-bl-catnav__link:hover { color: var(--cl-pink); }

/* =========================================================
 * SECTION 2 – CÁC KHỐI DANH MỤC
 * ========================================================= */
.celleva-bl-sections { background: var(--cl-bg); padding-block: 28px; padding-top: clamp(120px, 11vw, 165px); }
.celleva-bl-catblock { margin-bottom: clamp(48px, 5vw, 80px); }
.celleva-bl-catblock:last-child { margin-bottom: 0; }
.celleva-bl-catblock__head {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 24px;
	flex-wrap: wrap;
	border-bottom: 1px solid var(--cl-line);
	padding-bottom: 16px;
	margin-bottom: 28px;
}
.celleva-bl-catblock__title {
	font-family: var(--font-display);            /* TUV Domaine Display */
	font-weight: 400;
	font-size: 40px;                              /* 40px theo thiết kế */
	letter-spacing: 0.02em;
	text-transform: uppercase;
	color: var(--cl-text);
	margin: 0;
}
.celleva-bl-catblock__num { color: var(--cl-text); }

.celleva-bl-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);   /* 4 bài / hàng */
	justify-content: center;
	gap: 48px 20px;
}

/* ---------------------------------------------------------
 * Tab danh mục con (CSS-only, không JS)
 * Mục "02. Khoa học …": tab = [danh mục cha] + [các danh mục con].
 * Bấm tab → hiện 4 bài mới nhất của danh mục đó.
 * ------------------------------------------------------- */
.celleva-bl-tabs { position: relative; }
.celleva-bl-tabs__radio {
	position: absolute;
	width: 1px; height: 1px;
	opacity: 0;
	pointer-events: none;
}
.celleva-bl-tabs__nav {
	display: flex;
	flex-wrap: wrap;
	gap: clamp(20px, 3vw, 48px);
	border-bottom: 1px solid var(--cl-line);
	margin-bottom: 28px;
}
.celleva-bl-tabs__tab {
	cursor: pointer;
	font-family: var(--font-head);
	font-weight: 600;
	font-size: 15px;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: #8a807a;
	padding-bottom: 14px;
	margin-bottom: -1px;
	border-bottom: 2px solid transparent;
	transition: color .2s ease, border-color .2s ease;
	white-space: nowrap;
}
.celleva-bl-tabs__tab:hover { color: var(--cl-pink); }
.celleva-bl-tabs__radio:focus-visible + .celleva-bl-tabs__nav .celleva-bl-tabs__tab { outline: none; }
.celleva-bl-tabs__panel { display: none; }
.celleva-bl-tabs__empty {
	font-family: var(--font-head);
	color: #8a807a;
	padding: 24px 0 8px;
	margin: 0;
}

/* Map radio thứ k (đang :checked) → panel thứ k + tô màu tab thứ k.
 * Hỗ trợ tối đa 8 tab (đủ dùng). */
.celleva-bl-tabs__radio:nth-of-type(1):checked ~ .celleva-bl-tabs__panels .celleva-bl-tabs__panel:nth-of-type(1),
.celleva-bl-tabs__radio:nth-of-type(2):checked ~ .celleva-bl-tabs__panels .celleva-bl-tabs__panel:nth-of-type(2),
.celleva-bl-tabs__radio:nth-of-type(3):checked ~ .celleva-bl-tabs__panels .celleva-bl-tabs__panel:nth-of-type(3),
.celleva-bl-tabs__radio:nth-of-type(4):checked ~ .celleva-bl-tabs__panels .celleva-bl-tabs__panel:nth-of-type(4),
.celleva-bl-tabs__radio:nth-of-type(5):checked ~ .celleva-bl-tabs__panels .celleva-bl-tabs__panel:nth-of-type(5),
.celleva-bl-tabs__radio:nth-of-type(6):checked ~ .celleva-bl-tabs__panels .celleva-bl-tabs__panel:nth-of-type(6),
.celleva-bl-tabs__radio:nth-of-type(7):checked ~ .celleva-bl-tabs__panels .celleva-bl-tabs__panel:nth-of-type(7),
.celleva-bl-tabs__radio:nth-of-type(8):checked ~ .celleva-bl-tabs__panels .celleva-bl-tabs__panel:nth-of-type(8) {
	display: block;
}
.celleva-bl-tabs__radio:nth-of-type(1):checked ~ .celleva-bl-tabs__nav .celleva-bl-tabs__tab:nth-of-type(1),
.celleva-bl-tabs__radio:nth-of-type(2):checked ~ .celleva-bl-tabs__nav .celleva-bl-tabs__tab:nth-of-type(2),
.celleva-bl-tabs__radio:nth-of-type(3):checked ~ .celleva-bl-tabs__nav .celleva-bl-tabs__tab:nth-of-type(3),
.celleva-bl-tabs__radio:nth-of-type(4):checked ~ .celleva-bl-tabs__nav .celleva-bl-tabs__tab:nth-of-type(4),
.celleva-bl-tabs__radio:nth-of-type(5):checked ~ .celleva-bl-tabs__nav .celleva-bl-tabs__tab:nth-of-type(5),
.celleva-bl-tabs__radio:nth-of-type(6):checked ~ .celleva-bl-tabs__nav .celleva-bl-tabs__tab:nth-of-type(6),
.celleva-bl-tabs__radio:nth-of-type(7):checked ~ .celleva-bl-tabs__nav .celleva-bl-tabs__tab:nth-of-type(7),
.celleva-bl-tabs__radio:nth-of-type(8):checked ~ .celleva-bl-tabs__nav .celleva-bl-tabs__tab:nth-of-type(8) {
	color: var(--cl-pink);
	border-bottom-color: var(--cl-pink);
}
/* Card 380×500, ảnh 380×310 theo thiết kế */
.celleva-bl-card { display: flex; flex-direction: column; width: 100%; max-width: 380px; min-height: 500px; margin-inline: auto; background: var(--cl-bg-soft); border-radius: 12px; padding: 16px; box-sizing: border-box; }
.celleva-bl-card__thumb {
	display: block;
	width: 100%;
	aspect-ratio: 380 / 310;
	border-radius: 10px;
	background: #fff center/cover no-repeat;
	margin-bottom: 16px;
}
.celleva-bl-card__tag {
	font-family: var(--font-head);                /* Montserrat */
	font-weight: 400;                             /* Regular */
	font-size: 15px;
	letter-spacing: 0.04em;
	color: var(--cl-text);                        /* màu đen */
	margin: 0 0 8px;
}
.celleva-bl-card__title {
	font-family: var(--font-head);                /* Montserrat */
	font-weight: 500;                             /* Medium */
	font-size: 20px;
	line-height: 1.35;
	margin: 0 0 10px;
}
.celleva-bl-card__title a { color: var(--cl-text); }
.celleva-bl-card__title a:hover { color: var(--cl-pink); }
.celleva-bl-card__excerpt { font-size: 13.5px; line-height: 1.6; color: var(--cl-text-soft); margin: 0 0 16px; flex-grow: 1; }
/* Ngày bên trái, "Đọc thêm →" bên phải (đảo thứ tự DOM bằng row-reverse). */
.celleva-bl-card__foot { display: flex; flex-direction: row-reverse; align-items: center; justify-content: space-between; gap: 12px; }
.celleva-bl-card__more {
	font-family: var(--font-head);
	font-weight: 600;
	font-size: 12px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--cl-pink);
}
.celleva-bl-card__date { font-family: var(--font-head); font-weight: 400; font-size: 15px; color: #C68781; }
.celleva-bl-catblock__more { text-align: right; margin-top: 22px; }
.celleva-bl-arrow-link {
	font-family: var(--font-head);
	font-weight: 600;
	font-size: 12px;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--cl-pink);
}
.celleva-bl-arrow-link:hover { color: var(--cl-text); }

/* =========================================================
 * SECTION 3 – NỘI DUNG CHUYÊN SÂU
 * ========================================================= */
.celleva-bl-values { background: var(--cl-bg); padding-block: 28px; }
.celleva-bl-values__box { background: var(--cl-bg-soft); border-radius: 16px; padding: clamp(34px, 4vw, 60px); }
.celleva-bl-values__head { text-align: center; margin-bottom: 36px; }
.celleva-bl-values__heading {
	font-family: var(--font-head);                /* Montserrat */
	font-weight: 700;                             /* Bold */
	font-size: 32px;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	color: var(--cl-text);
	margin: 0 0 10px;
}
.celleva-bl-values__sub { color: var(--cl-text-soft); font-weight: 600; font-size: 20px; margin: 0; }
.celleva-bl-values__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.celleva-bl-value { text-align: left; padding: 0 30px; border-left: 1px solid rgba(42,36,34,.12); }
.celleva-bl-value:first-child { border-left: 0; padding-left: 0; }
.celleva-bl-value__title {
	font-family: var(--font-head);
	font-weight: 600;                             /* Montserrat SemiBold */
	font-size: 20px;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--cl-pink);
	margin: 0 0 10px;
}
.celleva-bl-value__desc { font-family: var(--font-head); font-weight: 600; font-size: 18px; line-height: 1.6; color: var(--cl-text-soft); margin: 0; }

/* =========================================================
 * SECTION 4 – NEWSLETTER (dải hồng)
 * ========================================================= */
.celleva-bl-news { padding: 0; background: var(--cl-pink); }
.celleva-bl-news__grid { display: grid; grid-template-columns: 1.2fr 0.8fr; align-items: stretch; }
.celleva-bl-news__body { padding: clamp(40px, 5vw, 80px); color: #fff; align-self: center; }
.celleva-bl-news__heading {
	font-family: var(--font-display);            /* TUV Domaine */
	font-weight: 400;
	font-size: 36px;
	line-height: 1.2;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	color: #fff;
	margin: 0 0 14px;
}
.celleva-bl-news__desc { font-family: var(--font-head); font-weight: 600; color: rgba(255,255,255,.92); font-size: 20px; line-height: 1.6; max-width: 560px; margin: 0 0 24px; }
.celleva-bl-news__form {
	position: relative;
	width: 600px;
	max-width: 100%;
}
.celleva-bl-news__input {
	width: 100%;
	height: 40px;
	box-sizing: border-box;
	border: 0;
	border-radius: 15px !important;
	padding: 0 165px 0 20px;       /* chừa chỗ cho nút bên trong */
	font-family: var(--font-body);
	font-size: 15px;
	background: #fff;
	color: var(--cl-text);
}
.celleva-bl-news__input:focus { outline: none; }
.celleva-bl-news__input::placeholder { color: var(--cl-text-soft); }
.celleva-bl-news .celleva-btn--white {
	position: absolute;
	top: 50%;
	right: 8px;
	transform: translateY(-50%);
	width: 145px;
	height: 25px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	white-space: nowrap;
	background: var(--cl-pink);
	color: #fff;
	border-radius: 15px;
	padding: 0;
	font-size: 14px;
	line-height: 1;
}
.celleva-bl-news .celleva-btn--white:hover { background: var(--cl-text); color: #fff; }
.celleva-bl-news__ok { font-family: var(--font-head); font-weight: 600; color: #fff; margin: 0; }
.celleva-bl-news__note { font-family: var(--font-head); font-weight: 600; color: rgba(255,255,255,.85); font-size: 20px; margin: 16px 0 0; }
.celleva-bl-news__photo { min-height: 280px; background: var(--cl-bg-soft) center/cover no-repeat; }

/* =====================================================================
 *  RESPONSIVE
 * ===================================================================== */
@media (max-width: 1024px) {
	.celleva-bl-grid { grid-template-columns: repeat(2, 1fr); }
	.celleva-bl-values__grid { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
	.celleva-bl-value:nth-child(odd) { border-left: 0; padding-left: 0; }
	.celleva-bl-value:nth-child(even) { padding-right: 0; }
	.celleva-bl-news__grid { grid-template-columns: 1fr; }
	.celleva-bl-news__photo { min-height: 220px; order: -1; }
}
@media (max-width: 900px) {
	/* Box danh mục: bỏ kiểu nổi-đè, cho xuống dòng để khỏi chật. */
	.celleva-bl-hero__navwrap { margin-top: 20px; margin-bottom: 24px; }
	.celleva-bl-sections { padding-top: clamp(40px, 8vw, 80px); }
	.celleva-bl-hero__navwrap .celleva-bl-catnav { flex-wrap: wrap; min-height: 0; padding: 8px; }
	.celleva-bl-hero__navwrap .celleva-bl-catnav__link { flex: 1 1 42%; padding: 12px 14px; border-left: 0; font-size: 16px; }
}
@media (max-width: 600px) {
	.celleva-bl-grid { grid-template-columns: 1fr; }
	.celleva-bl-values__grid { grid-template-columns: 1fr; }
	.celleva-bl-value { border-left: 0; padding-left: 0; padding-right: 0; }
	.celleva-bl-hero__navwrap .celleva-bl-catnav__link { flex-basis: 100%; }
}