/* =====================================================================
 * Celléva – Trang "Khoa học tái tạo" (page 42)
 * Dùng chung tokens & .celleva-container / .celleva-section / .celleva-btn
 * ===================================================================== */

/* ---------- Typography dùng chung ---------- */
.celleva-kh-eyebrow {
	display: inline-block;
	font-family: var(--font-head);
	font-weight: 600;             /* SemiBold */
	font-size: 24px;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--cl-pink);
	margin: 0 0 14px;
}
/* Hero eyebrow "SIGNATURE PROGRAMS" lớn hơn (32px). */
.celleva-khtt-hero .celleva-kh-eyebrow { font-size: 32px; }
.celleva-kh-heading {
	font-family: var(--font-display);
	font-weight: 400;             /* Regular */
	font-size: 40px;
	line-height: 1.18;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	color: var(--cl-text);
	margin: 0;
}
.celleva-kh-head { margin-bottom: 44px; }
.celleva-kh-head--center { text-align: center; }

/* =========================================================
 * SECTION 1 – HERO
 * ========================================================= */
.celleva-khtt-hero {
	background-size: cover;
	background-position: center right;
	background-repeat: no-repeat;
	padding-block: clamp(80px, 10vw, 180px);
}
.celleva-khtt-hero__text { position: relative; max-width: 600px; }
.celleva-khtt-hero__title {
	font-family: var(--font-display);
	font-weight: 400;             /* Regular */
	font-size: clamp(30px, 8.5vw, 70px);
	overflow-wrap: break-word;
	line-height: 1.1;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	color: var(--cl-text);
	margin: 0 0 8px;
}
.celleva-khtt-hero__title span { display: block; }
.celleva-khtt-hero__tagline {
	font-family: var(--font-head);   /* Montserrat */
	font-weight: 600;                /* SemiBold */
	font-size: 40px;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--cl-pink);
	margin: 0 0 20px;
}
.celleva-khtt-hero__subtitle {
	color: var(--cl-text-soft);
	font-weight: 600;                /* SemiBold */
	font-size: 20px;
	line-height: 1.8;
	max-width: 500px;
	margin: 0 0 26px;
}
/* Nút banner kích thước cố định 390×70px, chữ canh giữa. */
.celleva-khtt-hero .celleva-btn {
	width: 390px;
	height: 70px;
	padding-block: 0;
	justify-content: center;
	font-size: 15px;
}

/* =========================================================
 * SECTION 2 – APPROACH (5 bước + tại sao cá nhân hóa)
 * ========================================================= */
.celleva-kh-approach { background: var(--cl-bg); padding-block: 28px; }
.celleva-kh-approach__steps {
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	gap: clamp(18px, 2.2vw, 36px);
	margin-bottom: 60px;
}
.celleva-kh-approach__step { text-align: center; }
.celleva-kh-approach__num {
	display: block;
	text-align: center;              /* số 01..05 căn giữa trong mỗi div */
	font-family: var(--font-head);   /* Montserrat */
	font-weight: 600;                /* SemiBold */
	font-size: 48px;
	color: var(--cl-pink);
	line-height: 1;
	margin-bottom: 12px;
	border-bottom: 1px solid var(--cl-line);
	padding-bottom: 14px;
}
.celleva-kh-approach__title {
	font-family: var(--font-head);
	font-weight: 700;                /* Bold */
	font-size: 21px;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	color: var(--cl-text);
	margin: 0 0 8px;
}
.celleva-kh-approach__desc { font-size: 20px; font-weight: 600; line-height: 1.6; color: var(--cl-text-soft); margin: 0; }

.celleva-kh-approach__why {
	text-align: center;
	/* Mở rộng khung vàng phá padding của .celleva-container để các tag đủ chỗ
	   nằm trên 1 hàng (giữ lại gutter 16px mỗi bên). */
	max-width: none;
	margin-inline: calc(16px - var(--container-pad));
	border: 2px solid #E0B33A;   /* khung màu vàng */
	border-radius: 16px;
	padding: clamp(24px, 2.6vw, 48px);
	box-sizing: border-box;
}
.celleva-kh-approach__why-heading {
	font-family: var(--font-head);
	font-weight: 600;             /* SemiBold */
	font-size: 24px;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--cl-pink);
	margin: 0 0 10px;
}
.celleva-kh-approach__why-desc { color: var(--cl-text-soft); font-size: 20px; font-weight: 600; line-height: 1.7; margin: 0 0 24px; }
/* Thanh tag: 1 khối nền beige bo góc, chia 5 ô đều nhau ngăn bằng kẻ dọc (theo thiết kế). */
.celleva-kh-approach__tags {
	display: flex;
	margin-top: 32px;
	background: var(--cl-bg-soft);
	border-radius: 14px;
	overflow: hidden;
	margin-inline: auto;
}
.celleva-kh-tag {
	flex: 1;
	text-align: center;
	padding: 20px clamp(8px, 0.9vw, 18px);
	font-size: clamp(13px, 1.15vw, 20px);
	font-weight: 600;             /* SemiBold */
	line-height: 1.5;
	white-space: nowrap;          /* mỗi tag trên 1 hàng như thiết kế */
	color: var(--cl-text);
	border-left: 1px solid rgba(42,36,34,.10);
}
.celleva-kh-tag:first-child { border-left: 0; }
@media (max-width: 860px) {
	.celleva-kh-approach__tags { flex-wrap: wrap; }
	.celleva-kh-tag { flex: 1 1 33.333%; white-space: normal; font-size: 16px; }
	.celleva-kh-tag:nth-child(3n+1) { border-left: 0; }
}
@media (max-width: 520px) {
	.celleva-kh-tag { flex: 1 1 50%; }
	.celleva-kh-tag:nth-child(3n+1) { border-left: 1px solid rgba(42,36,34,.10); }
	.celleva-kh-tag:nth-child(odd) { border-left: 0; }
}

/* =========================================================
 * SECTION 3 – COLLECTIONS (9 card)
 * ========================================================= */
.celleva-kh-collections { background: var(--cl-bg); padding-block: 28px; }
.celleva-kh-collections__grid {
	display: grid;
	grid-template-columns: repeat(5, minmax(0, 290px));   /* card 290px, co lại trên màn hẹp */
	gap: 24px;
	justify-content: center;
}
.celleva-kh-coll {
	width: 100%;
	max-width: 290px;
	min-height: 388px;            /* card 290 rộng; cao tối thiểu 388, tự giãn theo nội dung */
	background: #F8F1EB;          /* nền card */
	border-radius: 14px;
	overflow: hidden;
	padding-bottom: 24px;
}
.celleva-kh-coll__img {
	width: 100%;
	aspect-ratio: 290 / 195;      /* ảnh 290×195px */
	background: #ECE0D6 center/cover no-repeat;   /* placeholder khi chưa có ảnh */
	margin-bottom: 18px;
}
.celleva-kh-coll__title {
	font-family: var(--font-head);   /* Montserrat */
	font-weight: 700;                /* Bold */
	font-size: 21px;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--cl-text);
	margin: 0 0 8px;
	padding-inline: 22px;
}
.celleva-kh-coll__sub { font-size: 20px; line-height: 1.4; color: var(--cl-text-soft); margin: 0 0 14px; padding-inline: 22px; }
/* Mục con: tiêu đề in hoa + mô tả (14px) */
.celleva-kh-coll__points { padding: 0 22px; }
.celleva-kh-coll__point { margin-top: 16px; }
.celleva-kh-coll__point-name {
	font-family: var(--font-head);   /* Montserrat */
	font-weight: 700;                /* Bold */
	font-size: 14px;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--cl-text);
	margin: 0 0 4px;
}
.celleva-kh-coll__point-desc {
	font-size: 14px;
	line-height: 1.5;
	color: var(--cl-text-soft);
	margin: 0;
}

/* =========================================================
 * SECTION 4 – SCIENCE (3 card + note)
 * ========================================================= */
.celleva-kh-science { background: var(--cl-bg); padding-block: 28px; }
/* 3 mục ngăn bằng kẻ dọc; mỗi mục ảnh-vuông trái + chữ phải. Không khung bao ngoài. */
.celleva-kh-science__grid {
	display: grid;
	grid-template-columns: repeat(3, 430px);
	justify-content: space-between;
	align-items: center;
	width: 100%;
	max-width: 1550px;
	min-height: 261px;
	margin: 0 auto;
}
.celleva-kh-sci {
	display: grid;
	grid-template-columns: 206px 1fr;
	grid-template-areas: "img title" "img desc";
	column-gap: 20px;
	row-gap: 8px;
	align-content: center;
	text-align: left;
	width: 430px;
	min-height: 203px;
	padding: 0 24px 0 0;
	border-left: 1px solid var(--cl-line);
}
.celleva-kh-sci:first-child { border-left: 0; }
@media (max-width: 1600px) {
	.celleva-kh-science__grid { grid-template-columns: repeat(3, 1fr); }
	.celleva-kh-sci { width: auto; }
}
.celleva-kh-sci__img {
	grid-area: img;
	width: 206px;
	height: 203px;
	background: var(--cl-bg-soft) center/cover no-repeat;
	align-self: stretch;
	margin: 0;
}
.celleva-kh-sci__title { grid-area: title; align-self: end; }
.celleva-kh-sci__desc  { grid-area: desc;  align-self: start; }
.celleva-kh-sci__title {
	font-family: var(--font-head);
	font-weight: 700;
	font-size: 20px;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	color: var(--cl-text);
	margin: 0 0 10px;
}
.celleva-kh-sci__desc { font-size: 18px; font-weight: 600; line-height: 1.5; color: var(--cl-text-soft); margin: 0; }
.celleva-kh-science__note { text-align: center; color: var(--cl-text-soft); font-size: 20px; font-weight: 600; margin: 40px auto 0; max-width: 720px; }

/* =========================================================
 * SECTION 5 – WELLNESS (3 cột)
 * ========================================================= */
.celleva-kh-wellness { background: var(--cl-bg); padding-block: 28px; }
.celleva-kh-wellness__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	max-width: 1200px;
	margin: 0 auto;
	text-align: center;
}
.celleva-kh-well { padding: 0 34px; border-left: 1px solid var(--cl-line); }
.celleva-kh-well:first-child { border-left: 0; padding-left: 0; }
.celleva-kh-well:last-child { padding-right: 0; }
.celleva-kh-well__title {
	font-family: var(--font-head);
	font-weight: 700;
	font-size: 20px;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	color: var(--cl-pink);
	margin: 0 0 12px;
}
.celleva-kh-well__desc { font-size: 18px; line-height: 1.6; color: var(--cl-text-soft); margin: 0; }

/* =========================================================
 * SECTION 6 – JOURNEY (5 bước có mũi tên)
 * ========================================================= */
.celleva-kh-journey { background: var(--cl-bg); padding-block: 28px; }
.celleva-kh-journey__row {
	display: flex;
	align-items: flex-start;
	justify-content: center;
	gap: 8px;
	flex-wrap: wrap;
}
.celleva-kh-jstep { flex: 1 1 0; max-width: 200px; text-align: center; }
.celleva-kh-jstep__photo {
	width: 130px; height: 130px;
	margin: 0 auto 16px;
	border-radius: 50%;
	background: var(--cl-bg-soft) center/cover no-repeat;
}
.celleva-kh-jstep__title {
	font-family: var(--font-head);
	font-weight: 700;             /* Bold */
	font-size: 20px;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	color: var(--cl-pink);
	margin: 0 0 8px;
}
.celleva-kh-jstep__desc { font-size: 18px; font-weight: 600; line-height: 1.55; color: var(--cl-text-soft); margin: 0; }
.celleva-kh-journey__arrow {
	color: var(--cl-pink-soft, #DCB1A8);
	font-size: 22px;
	line-height: 1;
	align-self: center;
	margin-top: 50px;
}

/* =========================================================
 * SECTION 7 – CTA
 * ========================================================= */
/* Section bao: nền trắng, chứa eyebrow + tiêu đề ở trên (ngoài banner). */
.celleva-kh-cta { background: var(--cl-bg); padding-block: 28px; }
.celleva-kh-cta .celleva-kh-head { margin-bottom: 28px; }
/* Banner ảnh 1560×350, căn giữa — chỉ chứa mô tả + nút. */
.celleva-kh-cta__banner {
	position: relative;
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
	max-width: 1560px;
	min-height: 350px;
	margin-inline: auto;
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding-block: 30px;
	overflow: hidden;
}
.celleva-kh-cta__banner::before {
	content: '';
	position: absolute; inset: 0;
	background: linear-gradient(90deg, rgba(248,241,234,.95) 0%, rgba(248,241,234,.75) 50%, rgba(248,241,234,.25) 100%);
}
.celleva-kh-cta__inner { position: relative; max-width: 560px; }
.celleva-kh-cta__desc { color: var(--cl-text-soft); font-size: 20px; font-weight: 600; line-height: 1.8; margin: 0 0 26px; max-width: 480px; }
/* Nút đặt lịch ở banner mục 7: 250×40px. */
.celleva-kh-cta .celleva-btn {
	width: 250px;
	height: 40px;
	padding: 0;
	justify-content: center;
	font-size: 15px;
	white-space: nowrap;
}

/* =====================================================================
 *  RESPONSIVE
 * ===================================================================== */
@media (max-width: 1024px) {
	.celleva-kh-approach__steps { grid-template-columns: repeat(3, 1fr); row-gap: 32px; }
	.celleva-kh-collections__grid { grid-template-columns: repeat(3, minmax(0, 290px)); row-gap: 30px; }
	.celleva-kh-journey__arrow { display: none; }
	.celleva-kh-jstep { flex-basis: 40%; }
}
@media (max-width: 680px) {
	.celleva-kh-approach__steps { grid-template-columns: repeat(2, 1fr); }
	.celleva-kh-collections__grid { grid-template-columns: repeat(2, minmax(0, 290px)); }
	.celleva-kh-science__grid,
	.celleva-kh-wellness__grid { grid-template-columns: 1fr; }
	.celleva-kh-sci { border-left: 0; border-top: 1px solid var(--cl-line); grid-template-columns: minmax(120px, 206px) 1fr; }
	.celleva-kh-sci:first-child { border-top: 0; }
	.celleva-kh-sci__img { width: 100%; }
	.celleva-kh-well { border-left: 0; padding: 0; }
	.celleva-khtt-hero { padding-block: 80px; }
	.celleva-kh-jstep { flex-basis: 100%; max-width: 240px; }
}
@media (max-width: 420px) {
	.celleva-kh-approach__steps,
	.celleva-kh-collections__grid { grid-template-columns: minmax(0, 290px); }
}
