/* Base and desktop styles. Load mobile.css after this file. */
:root {
  --color-primary: #4a2e1e;
  --color-primary-deep: #2d1d16;
  --color-secondary: #8b5e34;
  --color-accent: #c9a15c;
  --color-accent-soft: #e8d3a5;
  --color-beige: #f5f0e8;
  --color-cream: #fbf7f2;
  --color-white: #ffffff;
  --color-text: #2d241d;
  --color-text-soft: #62564f;
  --color-border: rgba(74, 46, 30, 0.12);
  --color-shadow: rgba(43, 26, 17, 0.15);
  --font-heading: "Cormorant Garamond", serif;
  --font-body: "Inter", sans-serif;
  --container-width: 1200px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 32px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;
  --transition: 0.3s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-cream);
  color: var(--color-text);
  line-height: 1.7;
}

img,
video {
  display: block;
  width: 100%;
  max-width: 100%;
}

a {
  text-decoration: none;
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.container {
  width: min(var(--container-width), calc(100% - 2rem));
  margin: 0 auto;
}

.section {
  padding: var(--spacing-2xl) 0;
}

.section--soft {
  background: rgba(139, 94, 52, 0.04);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-secondary);
  font-weight: 700;
}

.eyebrow--light {
  color: rgba(255, 255, 255, 0.8);
}

h1,
h2,
h3,
h4 {
  margin: 0 0 1rem;
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.8rem, 3vw + 1.5rem, 5rem);
  max-width: 760px;
}

h2 {
  font-size: clamp(2.2rem, 2vw + 1.3rem, 3.3rem);
}

h3 {
  font-size: clamp(1.5rem, 1vw + 1rem, 2rem);
}

p {
  margin: 0 0 1rem;
  color: var(--color-text-soft);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.5rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  color: var(--color-white);
  box-shadow: 0 12px 24px rgba(139, 94, 52, 0.2);
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.7);
  color: var(--color-white);
}

.btn--outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--small {
  padding: 0.7rem 1.2rem;
  font-size: 0.8rem;
}

.product-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 1.6rem;
  padding: 0.4rem 0;
}

.filter-btn {
  border: 1px solid rgba(74, 46, 30, 0.12);
  background: rgba(255, 255, 255, 0.72);
  color: var(--color-primary);
  padding: 0.7rem 1.15rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 6px 14px rgba(74, 46, 30, 0.02);
}

.filter-btn.is-active,
.filter-btn:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 10px 18px rgba(74, 46, 30, 0.15);
}

.product-reviews__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.review-card {
  padding: 1.25rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.review-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--color-primary);
}

.review-card__header span {
  color: var(--color-accent);
  white-space: nowrap;
}

.review-card p {
  margin: 0.75rem 0 0;
  color: var(--color-text-soft);
  white-space: pre-wrap;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(245, 240, 232, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 700;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand__text strong {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary);
}

.brand__text small {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-secondary);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.nav__link {
  position: relative;
  padding: 0.5rem 0;
  font-size: 0.95rem;
  color: var(--color-primary);
  font-weight: 600;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  transform: scaleX(1);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  color: var(--color-primary);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 0.3rem;
  width: 42px;
  height: 42px;
  padding: 0.7rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
}

.mobile-menu-toggle span {
  width: 100%;
  height: 2px;
  border-radius: 99px;
  background: var(--color-primary);
  transition: transform var(--transition), opacity var(--transition);
}

.mobile-menu-toggle.is-open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.mobile-menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
}

.search-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.search-overlay__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(18, 12, 8, 0.4);
}

.search-overlay__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(420px, 100%);
  height: 100%;
  background: #fffdf9;
  box-shadow: -18px 0 40px rgba(24, 15, 12, 0.14);
  transform: translateX(110%);
  transition: transform var(--transition);
}

.search-overlay.is-open .search-overlay__panel {
  transform: translateX(0);
}

.search-overlay__panel {
  right: 50%;
  transform: translate(50%, 0);
  width: min(600px, calc(100% - 2rem));
  height: auto;
  max-height: 80vh;
  top: 10vh;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.search-overlay.is-open .search-overlay__panel {
  transform: translate(50%, 0);
}

.search-overlay__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 1.2rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

.search-overlay__header h3 {
  margin: 0;
  font-size: 1.5rem;
}

.search-overlay__close {
  border: none;
  background: transparent;
  color: var(--color-primary);
  font-size: 2rem;
  line-height: 1;
}

.search-empty {
  padding: 1rem;
  color: var(--color-text);
  text-align: center;
  border: 1px dashed rgba(74, 46, 30, 0.2);
  border-radius: var(--radius-sm);
  background: rgba(201, 161, 92, 0.04);
}

.search-overlay__field {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 1.2rem 0.75rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: rgba(201, 161, 92, 0.04);
}

.search-overlay__field svg {
  width: 20px;
  height: 20px;
  fill: var(--color-primary);
}

.search-overlay__field input {
  width: 100%;
  border: none;
  background: transparent;
  font: inherit;
  color: var(--color-primary);
}

.search-overlay__field input:focus {
  outline: none;
}

.search-overlay__results {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.5rem 1.2rem 1.2rem;
  max-height: 50vh;
  overflow-y: auto;
}

.search-result {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 0.8rem;
  padding: 0.6rem;
  border: 1px solid rgba(74, 46, 30, 0.08);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  color: var(--color-primary);
}

.search-result img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 0.6rem;
}

.search-result div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.22rem;
}

.search-result strong {
  font-size: 1rem;
}

.search-result span {
  color: var(--color-secondary);
  font-weight: 700;
}

body.has-modal-open {
  overflow: hidden;
}

/* Hero */
.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(29, 17, 12, 0.7) 0%, rgba(29, 17, 12, 0.44) 35%, rgba(29, 17, 12, 0.2) 100%),
    url("../assets/images/thanhpham.jpg") center/cover no-repeat;
}

/* center hero content horizontally within the hero area */
.hero {
  justify-content: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(45, 29, 22, 0.15), rgba(45, 29, 22, 0.18));
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  padding: 4.5rem 0;
}

/* center hero / page hero headings for visual parity across pages */
.hero__content,
.page-hero .container {
  text-align: center;
}

.hero__content h1,
.page-hero h1 {
  margin-left: auto;
  margin-right: auto;
}

.hero__content h1 {
  max-width: none;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 600;
}

.hero h1,
.hero p,
.hero__stats li {
  color: var(--color-white);
}

.hero p {
  max-width: 620px;
  margin: 0 auto 2rem; /* center subtitle horizontally */
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.82);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* center CTA buttons inside hero */
.hero__actions {
  justify-content: center;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  padding: 0;
  margin: 2.5rem 0 0;
  list-style: none;
}

/* center hero stats */
.hero__stats {
  justify-content: center;
}

.hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 150px;
}

.hero__stats strong {
  font-size: clamp(1.8rem, 1vw + 1rem, 2.5rem);
  font-family: var(--font-heading);
}

.hero__stats span {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Section general */
.section-heading {
  margin-bottom: 2rem;
}

.section-heading--center {
  text-align: center;
}

/* About brand */
.about-brand__layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.about-brand__content {
  padding-right: 1rem;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.2rem;
}

.category-card {
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid rgba(74, 46, 30, 0.08);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 28px rgba(74, 46, 30, 0.05);
}

.category-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.category-card__content {
  padding: 1.2rem;
}

.category-card__content span {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.category-card__content h3 {
  margin-bottom: 0.45rem;
  font-size: 2rem;
}

.category-card__content p {
  margin-bottom: 1rem;
}

.category-card__content a {
  color: var(--color-primary);
  font-weight: 700;
}

.process-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.process-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: 0 18px 40px rgba(74, 46, 30, 0.08);
}

.process-card img {
  aspect-ratio: 1 / 1.1;
  object-fit: cover;
}

.process-card span {
  position: absolute;
  left: 0.8rem;
  bottom: 0.8rem;
  display: inline-flex;
  padding: 0.35rem 0.7rem;
  background: rgba(22, 17, 15, 0.48);
  color: var(--color-white);
  border-radius: 999px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Products */
.products-highlight {
  background: linear-gradient(180deg, rgba(139, 94, 52, 0.04), rgba(255, 255, 255, 0));
}

.product-slider {
  position: relative;
}

.product-slider__controls {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.slider-btn {
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-primary);
  border-radius: 50%;
  font-size: 1.2rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.4rem;
}

.products-highlight .product-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-card {
  background: var(--color-white);
  border: 1px solid rgba(74, 46, 30, 0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 12px 24px rgba(74, 46, 30, 0.04);
  transition: transform var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 36px rgba(74, 46, 30, 0.08);
}

.product-card__media {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(201, 161, 92, 0.08), rgba(74, 46, 30, 0.02));
}

.product-card__media img {
  display: block;
  aspect-ratio: 1 / 1.05;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-card__media img {
  transform: scale(1.05);
}

.product-card__hover {
  position: absolute;
  inset: auto 0 0 0;
  display: flex;
  justify-content: center;
  padding: 1rem;
  background: linear-gradient(180deg, rgba(23, 15, 10, 0), rgba(23, 15, 10, 0.5));
  opacity: 0;
  transform: translateY(12px);
  transition: all var(--transition);
}

.product-card:hover .product-card__hover {
  opacity: 1;
  transform: translateY(0);
}

.product-card__body {
  padding: 1.1rem 1.1rem 1.2rem;
}

.product-card__title {
  font-size: 1.7rem;
  margin-bottom: 0.25rem;
}

.product-card__meta {
  margin-bottom: 0.9rem;
  font-size: 0.92rem;
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
}

.product-grid--catalog .product-card__footer {
  align-items: center;
  justify-content: center;
}

.product-grid--catalog .product-card__cta {
  margin: 0 auto;
}

.product-card__contact,
.product-card__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 999px;
  padding: 0.7rem 0.95rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}

.product-card__cta:hover,
.product-card__contact:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 18px rgba(74, 46, 30, 0.15);
}

/* Video */
.video-showcase__layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
}

.video-showcase__media video {
  width: 80%;
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 32px rgba(74, 46, 30, 0.12);
  background: #d3c0a6;
}

.check-list {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.7rem;
  color: var(--color-text);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-weight: 700;
}

/* Commitment */
.commitment__inner {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2rem;
  align-items: start;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.gallery-grid img {
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--transition), filter var(--transition);
}

.gallery-grid img:hover {
  transform: translateY(-4px);
  filter: saturate(1.1);
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

.stat-strip div {
  padding: 1rem 0.8rem;
  border: 1px solid rgba(74, 46, 30, 0.08);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.65);
}

.stat-strip strong {
  display: block;
  margin-bottom: 0.2rem;
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary);
}

.stat-strip span {
  color: var(--color-text-soft);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.feature-list {
  display: grid;
  gap: 1rem;
}

.feature-card {
  padding: 1.5rem;
  background: var(--color-white);
  border: 1px solid rgba(74, 46, 30, 0.08);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 30px rgba(74, 46, 30, 0.05);
}

.feature-card--big {
  min-height: 220px;
}

.feature-card__icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: rgba(201, 161, 92, 0.12);
  color: var(--color-secondary);
  font-size: 1.6rem;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.trust-card {
  padding: 1.7rem 1.4rem;
  background: var(--color-white);
  border: 1px solid rgba(74, 46, 30, 0.08);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 30px rgba(74, 46, 30, 0.04);
}

.trust-card h3 {
  margin-bottom: 0.7rem;
  font-size: 1.8rem;
}

/* Page hero */
.page-hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
  background: linear-gradient(180deg, rgba(45, 29, 22, 0.5), rgba(45, 29, 22, 0.5)), url("../assets/images/Trầm_02.jpg") center/cover no-repeat;
  text-align: center;
}

.page-hero--about {
  background:
    linear-gradient(rgba(45,29,22,.6), rgba(45,29,22,.6)),
    url("../assets/images/chetac.jpg") center/cover no-repeat;
}
/* Trang Sản phẩm */
.page-hero--products {
  background:
    linear-gradient(rgba(45,29,22,.6), rgba(45,29,22,.6)),
    url("../assets/images/sanpham.jpg") center/cover no-repeat;
}
/* Trang Liên hệ */
.page-hero--contact {
  background:
    linear-gradient(rgba(45,29,22,.6), rgba(45,29,22,.6)),
    url("../assets/images/thanhpham.jpg") center/cover no-repeat;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero .eyebrow,
.page-hero h1 {
  color: var(--color-white);
}

/* About story */
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.about-story__image img {
  min-height: 360px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: 0 24px 40px rgba(74, 46, 30, 0.08);
}

.about-story__image {
  display: flex;
  justify-content: center;
}

.about-story__image video {
  width: auto;
  height: clamp(400px, 40vw, 800px);
  max-width: 100%;
  border-radius: var(--radius-lg);
  object-fit: contain;
  background: #1a1714;
  box-shadow: 0 24px 40px rgba(74, 46, 30, 0.08);
}

.about-story__content h2,
.about-commitment h2 {
  margin-bottom: 1rem;
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: start;
}

.knowledge-card {
  overflow: hidden;
  height: 100%;
  background: var(--color-white);
  border: 1px solid rgba(74, 46, 30, 0.08);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 28px rgba(74, 46, 30, 0.05);
}

.knowledge-card > img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.knowledge-card__content {
  padding: 1.5rem;
}

.knowledge-card__content h3 {
  margin: 0.2rem 0 0.75rem;
  font-size: 2rem;
}

.knowledge-card__content h4 {
  margin: 1.25rem 0 0.5rem;
  color: var(--color-primary);
  font-size: 1rem;
}

.knowledge-card__content ul {
  display: grid;
  gap: 0.6rem;
  padding-left: 1.2rem;
  color: var(--color-text-soft);
}

.knowledge-note {
  max-width: 850px;
  margin: 1.5rem auto 0;
  color: var(--color-text-soft);
  font-size: 0.9rem;
  text-align: center;
}

.about-commitment {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem;
  background: var(--color-white);
  border: 1px solid rgba(74, 46, 30, 0.08);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 28px rgba(74, 46, 30, 0.05);
}

.about-commitment p {
  max-width: 760px;
  margin-bottom: 0;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.timeline__item {
  background: var(--color-white);
  border: 1px solid rgba(74, 46, 30, 0.08);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.2rem;
}

.timeline__item span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(201, 161, 92, 0.14);
  color: var(--color-secondary);
  justify-content: center;
  align-items: center;
  font-weight: 700;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.3rem;
}

/* Product detail */
.product-detail__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.product-detail__gallery {
  display: grid;
  gap: 1rem;
}

.product-detail__main-image {
  border-radius: var(--radius-lg);
  object-fit: cover;
  background: var(--color-beige);
  min-height: 560px;
}

.product-detail__thumbs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.product-detail__thumbs[hidden] {
  display: none;
}

.product-detail__thumbs img {
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.product-detail__info {
  padding-top: 0.5rem;
}

.product-detail__rating {
  margin-bottom: 1rem;
  color: var(--color-accent);
  font-weight: 700;
}

.product-detail__rating span {
  margin-left: 0.5rem;
  color: var(--color-text-soft);
  font-weight: 500;
}

.product-detail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.spec-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.6rem;
  color: var(--color-text-soft);
}

.detail-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.3rem;
}

.detail-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid rgba(74, 46, 30, 0.08);
  padding: 1.5rem;
}

/* Contact */
.contact-page__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
}

.contact-info {
  padding-right: 1rem;
}

.contact-info ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 2rem;
  display: grid;
  gap: 0.85rem;
  color: var(--color-text-soft);
}

.map-placeholder {
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 28px rgba(74, 46, 30, 0.08);
}

.contact-form {
  padding: 1.5rem;
  background: var(--color-white);
  border: 1px solid rgba(74, 46, 30, 0.08);
  border-radius: var(--radius-md);
  box-shadow: 0 18px 32px rgba(74, 46, 30, 0.05);
}

.contact-form__context {
  margin: -0.3rem 0 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(201, 161, 92, 0.12);
  color: var(--color-primary);
  font-weight: 600;
}

.form-row {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.form-row label {
  font-weight: 600;
  color: var(--color-primary);
}

.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  background: var(--color-cream);
  color: var(--color-text);
}

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  outline: 2px solid rgba(201, 161, 92, 0.3);
  border-color: var(--color-accent);
}

/* Footer */
.promo-banner {
  padding-top: 0;
}

.promo-banner__box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: clamp(1.5rem, 3vw, 2.2rem);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #442c1f, #7c4b2b 48%, #c9a15c 100%);
  box-shadow: 0 24px 40px rgba(74, 46, 30, 0.14);
}

.promo-banner__box h2 {
  margin: 0;
  color: var(--color-white);
  font-size: clamp(2rem, 2vw + 1rem, 3rem);
}

.footer {
  background: var(--color-primary-deep);
  color: rgba(255, 255, 255, 0.84);
}

.container.footer__grid {
  display: grid;
  width: min(960px, calc(100% - 2rem));
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  padding: 4rem 0 2.5rem;
  margin-inline: auto;
}

.footer__col h3 {
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.footer__col p,
.footer__col li,
.footer__col a {
  color: rgba(255, 255, 255, 0.8);
}

.footer__col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.7rem;
}

.brand--footer .brand__text strong,
.brand--footer .brand__text small {
  color: var(--color-white);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.2rem 0;
}

.footer__bottom p {
  margin: 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

/* Floating contact */
.floating-contact {
  position: fixed;
  right: 1.2rem;
  bottom: 1.5rem;
  z-index: 999;
  display: grid;
  gap: 0.7rem;
}

.floating-contact__item {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  color: var(--color-white);
  box-shadow: 0 12px 24px rgba(74, 46, 30, 0.18);
  animation: bounce 2.2s infinite ease-in-out;
}

.floating-contact__item--phone { background: linear-gradient(135deg, #2d7d46, #4bb66d); }
.floating-contact__item--messenger { background: linear-gradient(135deg, #0068ff, #4cb5ff); }
.floating-contact__item--zalo { background: linear-gradient(135deg, #1c91f2, #4dc4ff); }

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(19, 12, 9, 0.75);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  z-index: 2000;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__content {
  position: relative;
  max-width: min(920px, 90vw);
  max-height: 85vh;
  background: transparent;
}

.lightbox__content img,
.lightbox__content video {
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.15);
}

.lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-primary);
  font-size: 2rem;
  line-height: 1;
}

/* 404 page */
.not-found-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
}

.not-found {
  max-width: 620px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  text-align: center;
}

.not-found h1 {
  margin-bottom: 1rem;
  font-size: clamp(4rem, 7vw, 7rem);
}

.not-found p {
  margin-bottom: 1.5rem;
}

/* Four product families on the About page. */
.incense-knowledge__intro { max-width: 850px; margin-inline: auto; }
.incense-knowledge__nav { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .75rem; margin-bottom: 2rem; }
.incense-knowledge__nav a { padding: .9rem .6rem; border: 1px solid var(--color-border); border-radius: 12px; background: var(--color-white); text-align: center; color: var(--color-primary); font-size: .85rem; font-weight: 600; transition: background var(--transition), color var(--transition); }
.incense-knowledge__nav a:hover { background: var(--color-primary); color: var(--color-white); }
.incense-knowledge__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; align-items: stretch; }
.incense-knowledge__card { min-width: 0; display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-white); box-shadow: 0 16px 35px rgba(74,46,30,.05); scroll-margin-top: 110px; }
.incense-knowledge__media { position: relative; }
.incense-knowledge__media > img { width: 100%; height: 260px; object-fit: cover; }
.incense-knowledge__number { position: absolute; top: 1rem; left: 1rem; display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.5); border-radius: 50%; background: rgba(45,29,22,.8); color: white; font-weight: 600; }
.incense-knowledge__body { display: flex; flex-direction: column; flex: 1; padding: 1.75rem; }
.incense-knowledge__body > h3 { font-size: 2.4rem; margin-bottom: .85rem; }
.incense-knowledge__body > h4 { font-family: var(--font-body); font-size: .95rem; margin: .5rem 0 .75rem; }
.incense-knowledge__body > ul { padding-left: 1.2rem; margin: 0 0 1.5rem; color: var(--color-text-soft); display: grid; gap: .6rem; }
.incense-knowledge__link { margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--color-border); font-weight: 700; color: var(--color-secondary); }
.incense-knowledge__link span { display: inline-block; margin-left: .5rem; }
.incense-knowledge__subtypes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: .5rem 0 1.5rem; }
.incense-knowledge__subtype { min-width: 0; padding: .85rem; border-radius: 12px; background: var(--color-cream); border: 1px solid var(--color-border); }
.incense-knowledge__subtype img { height: 110px; object-fit: cover; border-radius: 8px; margin-bottom: .9rem; }
.incense-knowledge__subtype h4 { font-size: 1.6rem; margin-bottom: .6rem; }
.incense-knowledge__subtype p { font-size: .85rem; line-height: 1.75; }
.incense-knowledge__subtype a { font-size: .8rem; font-weight: 700; color: var(--color-secondary); }
.incense-knowledge__note { margin-top: 2rem; padding: 1.5rem 1.75rem; background: rgba(201,161,92,.1); border-left: 3px solid var(--color-accent); border-radius: 0 14px 14px 0; }
.incense-knowledge__note > strong { color: var(--color-primary); }
.incense-knowledge__note > p { margin: .5rem 0 1rem; font-size: .9rem; }
.incense-knowledge__sources { font-size: .85rem; color: var(--color-text-soft); }
.incense-knowledge__sources summary { cursor: pointer; color: var(--color-secondary); font-weight: 600; }
.incense-knowledge__sources a { text-decoration: underline; text-underline-offset: 3px; }
.incense-knowledge__sources ul { padding-left: 1.2rem; }
.incense-knowledge__sources li { margin-bottom: .5rem; }
.incense-knowledge a:focus-visible, .incense-knowledge summary:focus-visible { outline: 2px solid var(--color-secondary); outline-offset: 4px; }
@media (max-width: 767px) {
  .incense-knowledge__nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .incense-knowledge__grid { grid-template-columns: 1fr; }
  .incense-knowledge__body { padding: 1.25rem; }
  .incense-knowledge__media > img { height: 220px; }
  .incense-knowledge__note { padding: 1.25rem; }
}
@media (max-width: 420px) {
  .incense-knowledge__subtypes { grid-template-columns: 1fr; }
  .incense-knowledge__subtype img { height: 160px; }
}
/* Compact product gallery with thumbnail navigation. */
.product-detail.section { padding-top: 2.5rem; }
.product-detail__grid { grid-template-columns: minmax(0, 520px) minmax(0, 1fr); gap: 3rem; }
.product-detail__gallery { min-width: 0; gap: .75rem; }
.product-detail__gallery[hidden] { display: none; }
.product-detail__image-frame { position: relative; overflow: hidden; border-radius: var(--radius-md); border: 1px solid var(--color-border); background: var(--color-beige); }
.product-detail__main-image { width: 100%; height: min(550px, 62vh); min-height: 0; object-fit: contain; border-radius: 0; }
.product-detail__image-count { position: absolute; right: .75rem; bottom: .75rem; padding: .2rem .65rem; border-radius: 999px; background: rgba(45,29,22,.75); color: white; font-size: .75rem; pointer-events: none; }
.product-detail__thumbnail-row { display: grid; grid-template-columns: 30px minmax(0, 1fr) 30px; gap: .5rem; align-items: center; }
.product-detail__thumbs { display: flex; gap: .5rem; overflow-x: auto; scrollbar-width: none; position: relative; padding: 3px; }
.product-detail__thumbs::-webkit-scrollbar { display: none; }
.product-detail__thumbnail { flex: 0 0 76px; width: 76px; height: 76px; padding: 3px; border: 2px solid transparent; border-radius: 10px; background: var(--color-white); }
.product-detail__thumbnail.is-active { border-color: var(--color-accent); }
.product-detail__thumbs .product-detail__thumbnail img { width: 100%; height: 100%; object-fit: cover; border-radius: 5px; }
.product-detail__gallery-arrow { display: grid; place-items: center; width: 30px; height: 52px; border: 1px solid var(--color-border); border-radius: 8px; background: var(--color-white); color: var(--color-primary); font-size: 2rem; line-height: 1; }
.product-detail__gallery-arrow:hover { background: var(--color-primary); color: var(--color-white); }
.product-detail__gallery-arrow:disabled { opacity: .35; cursor: default; }
.product-detail__gallery button:focus-visible { outline: 2px solid var(--color-secondary); outline-offset: 2px; }
@media (max-width: 1199px) {
  .product-detail__grid { grid-template-columns: minmax(0, 450px) minmax(0, 1fr); gap: 1.5rem; }
}
@media (max-width: 767px) {
  .product-detail.section { padding-top: 1.5rem; }
  .product-detail__grid { grid-template-columns: 1fr; }
  .product-detail__gallery { width: min(520px, 100%); margin-inline: auto; }
  .product-detail__main-image { height: min(400px, 52vh); }
}
.product-detail__info .spec-list + .product-detail__actions { margin-top: 1.5rem; }

/* Video page: one feature and three balanced films. */
.video-page__hero { background: linear-gradient(rgba(45,29,22,.65),rgba(45,29,22,.65)), url("../assets/images/thuhoach.jpg") center/cover; }
.video-page__hero p { max-width: 760px; margin: 0 auto; color: rgba(255,255,255,.85); }
.video-feature__layout { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); gap: 3rem; align-items: center; }
.video-feature__media { max-width: 380px; width: 100%; margin-inline: auto; }
.video-feature__media video { width: 100%; height: min(480px,60vh); object-fit: contain; background: #211b17; border-radius: 18px; box-shadow: 0 18px 38px rgba(74,46,30,.12); }
.video-feature__caption { display: block; margin-top: .8rem; color: var(--color-secondary); font-size: .8rem; letter-spacing: .04em; text-align: center; }
.video-feature__facts { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1rem; margin: 1.5rem 0; padding: 1.2rem 0; border-block: 1px solid var(--color-border); }
.video-feature__facts strong { display: block; color: var(--color-primary); font-family: var(--font-heading); font-size: 1.8rem; }
.video-feature__facts span { font-size: .75rem; color: var(--color-text-soft); }
.video-collection { scroll-margin-top: 100px; }
.video-collection__grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1.4rem; }
.video-story { min-width: 0; overflow: hidden; border: 1px solid var(--color-border); border-radius: 18px; background: white; box-shadow: 0 12px 30px rgba(74,46,30,.05); }
.video-story__media { padding: 1rem 1rem 0; }
.video-story__media video { width: 100%; height: 320px; object-fit: contain; border-radius: 12px; background: #211b17; }
.video-story__body { padding: 1.4rem; }
.video-story__body h3 { font-size: 1.9rem; }
.video-story__body p { font-size: .9rem; }
.video-story__context { padding-top: 1rem; border-top: 1px solid var(--color-border); }
.video-reading__grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1.5rem; }
.video-reading__grid article { padding: 1.5rem; border-radius: 16px; background: var(--color-beige); }
.video-reading__grid article > span { display: inline-block; margin-bottom: 1rem; color: var(--color-secondary); font-weight: 700; }
.video-reading__grid h3 { font-size: 1.7rem; }
.video-reading__grid p { font-size: .9rem; margin-bottom: 0; }
.video-reading__sources { margin-top: 1.5rem; font-size: .85rem; color: var(--color-text-soft); }
.video-reading__sources summary { cursor: pointer; color: var(--color-secondary); font-weight: 600; }
.video-reading__sources a { text-decoration: underline; text-underline-offset: 3px; }
.video-reading__cta { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; margin-top: 2.5rem; padding: 2rem; border: 1px solid var(--color-border); border-radius: 18px; background: white; }
.video-reading__cta h3 { font-size: 1.9rem; }
.video-reading__cta p { margin-bottom: 0; }
.video-reading__cta .btn { flex-shrink: 0; }
@media (max-width: 900px) {
  .video-feature__layout { grid-template-columns: 1fr; gap: 2rem; }
  .video-collection__grid { grid-template-columns: 1fr; }
  .video-story { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); }
  .video-story__media { padding: 1rem; }
  .video-reading__grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .video-story { display: block; }
  .video-feature__media { max-width: 320px; }
  .video-feature__media video { height: min(420px,55vh); }
  .video-story__media video { height: 280px; }
  .video-reading__cta { flex-direction: column; align-items: flex-start; padding: 1.5rem; }
  .video-feature__facts { gap: .5rem; }
}
/* Keep numerals aligned with text, including serif headings. */
body {
  font-variant-numeric: lining-nums;
}
/* Product detail editorial layout. */
.product-breadcrumb { display: flex; flex-wrap: wrap; gap: .65rem; align-items: center; padding-top: 1.5rem; font-size: .8rem; color: var(--color-text-soft); }
.product-breadcrumb a:hover { color: var(--color-secondary); text-decoration: underline; }
.product-page .product-detail.section { padding-top: 1.5rem; padding-bottom: 3.5rem; }
.product-page .product-detail__info { padding: 1.5rem 0 0; }
.product-page .product-detail__info h1 { font-size: clamp(2.6rem,4vw,4rem); margin-bottom: 1.25rem; }
.product-page [data-product-description] { font-size: 1rem; line-height: 1.85; }
.product-page .spec-list { margin-top: 1.5rem; padding: 1.25rem; border: 1px solid var(--color-border); border-radius: 14px; background: white; gap: .85rem; font-size: .9rem; }
.product-page .spec-list strong { color: var(--color-primary); }
.product-story { display: grid; grid-template-columns: minmax(0,.7fr) minmax(0,1.3fr); gap: 3rem; margin-bottom: 2.5rem; padding-bottom: 2rem; border-bottom: 1px solid var(--color-border); }
.product-story h3 { font-size: clamp(1.8rem,2.5vw,2.5rem); }
.product-story p { line-height: 1.9; }
.product-editorial .detail-card { position: relative; padding: 1.75rem; border-top: 3px solid var(--color-accent); }
.product-editorial .detail-card h3 { font-size: 1.8rem; }
.product-editorial .detail-card p { margin-bottom: 0; font-size: .9rem; line-height: 1.85; }
.product-help__inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 2rem; background: var(--color-beige); border-radius: 18px; }
.product-help__inner > div { max-width: 720px; }
.product-help__inner h2 { font-size: 2.3rem; }
.product-help__inner p { margin-bottom: 0; font-size: .9rem; }
.product-help__inner .btn { flex-shrink: 0; }
.product-page [hidden] { display: none !important; }
@media (max-width: 767px) {
  .product-story { grid-template-columns: 1fr; gap: .75rem; }
  .product-help__inner { flex-direction: column; align-items: flex-start; padding: 1.25rem; }
  .product-page .product-detail__info { padding-top: .5rem; }
}