/* ====================================================
   PHAN HẢI NÔNG NGHIỆP — Main Stylesheet
   Design: Minimalist, Professional, Agricultural
   ==================================================== */

/* ---- 1. CSS Variables ---- */
:root {
  --primary:        #3A7D3A;
  --primary-dark:   #1F5C1F;
  --primary-light:  #5AAF5A;
  --accent:         #F0A500;
  --accent-dark:    #C98A00;
  --text:           #2C2C2C;
  --text-light:     #6B7280;
  --bg:             #FFFFFF;
  --bg-light:       #F5F7F2;
  --border:         #E5E7EB;
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.07);
  --shadow-md:      0 6px 24px rgba(0,0,0,0.10);
  --shadow-lg:      0 12px 40px rgba(0,0,0,0.14);
  --radius:         8px;
  --radius-lg:      14px;
  --accent-rgb:     240, 165, 0;
  --primary-rgb:    58, 125, 58;
  --error:          #e53e3e;
  --transition:     0.22s ease;
  --font-heading:   'Montserrat', 'Segoe UI', Arial, sans-serif;
  --font-body:      'Nunito Sans', 'Segoe UI', system-ui, sans-serif;
  --header-h:       70px;
  --topbar-h:       38px;
}

/* ---- 2. Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
svg { flex-shrink: 0; }

/* ---- 3. Layout Utilities ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section          { padding: 80px 0; }
.section--bg      { background: var(--bg-light); }
.section--dark    { position: relative; overflow: hidden; padding: 80px 0; }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-header--light { color: #fff; }

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(var(--accent-rgb),0.12);
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.section-tag--light {
  color: var(--accent);
  background: rgba(var(--accent-rgb),0.18);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 34px;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.28;
  margin-bottom: 16px;
}
.section-header--light .section-title { color: #fff; }

.section-desc {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.75;
}
.section-header--light .section-desc { color: rgba(255,255,255,0.75); }

/* ---- 4. Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  padding: 11px 24px;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: 0.3px;
}
.btn-lg { padding: 14px 30px; font-size: 15px; }
.btn-sm { padding: 8px 18px; font-size: 13px; }

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(45,106,45,0.35);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(var(--accent-rgb),0.40);
}

.btn-outline {
  border: 2px solid rgba(255,255,255,0.7);
  color: #fff;
  background: transparent;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-outline-green {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline-green:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ---- 5. Header ---- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition);
}
.header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

/* Top bar */
.header__topbar {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
}
.header__topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.header__topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.topbar-contact {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
}
.topbar-contact:hover { color: var(--accent); }
.topbar-divider { opacity: 0.35; }
.topbar-tag {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Main header */
.header__main {
  background: var(--bg);
  height: var(--header-h);
  border-bottom: 1px solid var(--border);
}
.header__main-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 20px;
}
.header__logo img { height: 50px; width: auto; }

/* Navigation */
.nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav__link {
  font-family: var(--font-heading);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  padding: 8px 14px;
  border-radius: 6px;
  letter-spacing: 0.3px;
  transition: all var(--transition);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav__link:hover,
.nav__link.active { color: var(--primary); }
.nav__link:hover::after,
.nav__link.active::after { transform: scaleX(1); }

.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  padding: 0;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---- 6. Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero/about.jpg');
  background-size: cover;
  background-position: center 30%;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.08);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    rgba(5,20,5,0.88) 0%,
    rgba(5,25,5,0.72) 50%,
    rgba(10,40,10,0.55) 100%
  );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding: 120px 24px 100px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(var(--accent-rgb),0.18);
  border: 1px solid rgba(var(--accent-rgb),0.45);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 7px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(36px, 5.5vw, 58px);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.18;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero__subtitle {
  font-size: 17px;
  color: rgba(255,255,255,0.82);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 560px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.hero__features {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.hero__feature {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.88);
  font-size: 14px;
  font-weight: 500;
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255,255,255,0.6);
  animation: bounce 2s ease-in-out 3;
  transition: color var(--transition);
}
.hero__scroll:hover { color: var(--accent); }

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ---- 7. Stats ---- */
.stats {
  background: var(--primary-dark);
  padding: 48px 0;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat {
  text-align: center;
  padding: 20px 24px;
  border-right: 1px solid rgba(255,255,255,0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.stat:last-child { border-right: none; }

.stat__icon {
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  color: var(--accent);
}

.stat__value-row {
  display: flex;
  align-items: flex-start;
  gap: 2px;
  line-height: 1;
}

.stat__number {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.stat__unit {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-top: 4px;
}
.stat__label {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  font-weight: 600;
  letter-spacing: 0.8px;
  margin-top: 8px;
  text-transform: uppercase;
}

/* ---- 8. About ---- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about__media {
  position: relative;
  padding: 0 28px 28px 0;
}
.about__img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
}
.about__img-placeholder {
  height: 430px;
  background-image: url('../images/about/hero.jpg');
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  position: relative;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.about__img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 55%,
    rgba(0,0,0,0.35) 100%
  );
  border-radius: var(--radius-lg);
}
/* Decorative border frame */
.about__img-placeholder::after {
  content: '';
  position: absolute;
  top: 16px;
  left: 16px;
  right: -16px;
  bottom: -16px;
  border: 3px solid rgba(90,175,90,0.45);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.img-overlay-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: var(--accent);
  color: #fff;
  padding: 14px 20px;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: var(--shadow-md);
}
.img-overlay-badge strong {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
}
.img-overlay-badge span {
  font-size: 12px;
  font-weight: 600;
  opacity: 0.9;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

.about__img-secondary {
  position: absolute;
  bottom: -28px;
  right: -28px;
  width: 200px;
  height: 160px;
  background-image: url('../images/products/san pham 1.jpg');
  background-size: cover;
  background-position: center;
  background-color: #2a6a2a;
  border-radius: var(--radius-lg);
  border: 5px solid var(--bg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.about__img-secondary::before { content: none; }
.about__img-secondary::after  { content: none; }

.about__content { padding: 20px 0; }

.about__content .section-tag { text-align: left; }
.about__content .section-title {
  text-align: left;
  font-size: 30px;
  margin-bottom: 18px;
}

.about__text {
  color: var(--text-light);
  font-size: 15.5px;
  line-height: 1.8;
  margin-bottom: 28px;
}
.about__text strong { color: var(--primary); font-weight: 700; }

.about__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}
.about__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}
.about__list svg { margin-top: 3px; }

/* ---- 9. Products ---- */
.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.product-card__img {
  height: 220px;
  position: relative;
  overflow: hidden;
  /* TODO: replace gradients with real product images using background-image: url('../images/products/xxx.jpg') */
}
.product-card__img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.04) 0%,
    rgba(0,0,0,0.18) 100%
  );
  z-index: 1;
}
.product-card__badge { z-index: 2; }
.product-card__img::after {
  content: '';
  position: absolute;
  bottom: -10px;
  right: -10px;
  width: 120px;
  height: 160px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 80 120'%3E%3Cpath d='M40 5 C22 15 10 38 16 68 C20 85 30 98 40 108 C50 98 60 85 64 68 C70 38 58 15 40 5Z' fill='rgba(255,255,255,0.10)'/%3E%3Cpath d='M40 108 C40 108 36 115 40 120 C44 115 40 108 40 108Z' fill='rgba(255,255,255,0.10)'/%3E%3C/svg%3E") no-repeat bottom right / 80%;
  pointer-events: none;
}

/* Product images — real photos (số file = số sản phẩm) */
.product-card__img--1 {
  background-color: #2a6b2a;
  background-image: url('../images/products/san pham 1.jpg');
  background-size: cover;
  background-position: center;
}
.product-card__img--2 {
  background-color: #3a2a10;
  background-image: url('../images/products/san pham 2.jpg');
  background-size: cover;
  background-position: center;
}
.product-card__img--3 {
  background-color: #6a5a20;
  background-image: url('../images/products/san pham 3.png');
  background-size: cover;
  background-position: center;
}
.product-card__img--4 {
  background-color: #2a4a2a;
  background-image: url('../images/products/san pham 4.jpg');
  background-size: cover;
  background-position: center;
}
.product-card__img--5 {
  background-color: #1e5a30;
  background-image: url('../images/products/san pham 5.png');
  background-size: cover;
  background-position: center;
}
.product-card__img--6 {
  background-color: #2a1a4a;
  background-image: url('../images/products/san pham 6.png');
  background-size: cover;
  background-position: center;
}

.product-card__badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.3px;
  z-index: 1;
}
.product-card__badge--red    { background: #e74c3c; }
.product-card__badge--green  { background: var(--primary); }
.product-card__badge--blue   { background: #2980b9; }
.product-card__badge--gold   { background: var(--accent); }
.product-card__badge--purple { background: #8e44ad; }

.product-card__body {
  padding: 22px 24px 24px;
}
.product-card__category {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(45,106,45,0.1);
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 10px;
}
.product-card__title {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 10px;
  line-height: 1.35;
}
.product-card__desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 18px;
}

/* 6 sản phẩm = 2 hàng × 3 cột — tự động đều nhau */

/* ---- 10. Services ---- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 26px 34px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(58,125,58,0.15);
  border-color: var(--primary-light);
}
.service-card:hover::before { transform: scaleX(1); }

.service-card__icon {
  width: 84px;
  height: 84px;
  background: rgba(58,125,58,0.09);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
  color: var(--primary);
  transition: all var(--transition);
  position: relative;
}
.service-card__icon::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px dashed rgba(58,125,58,0.2);
  transition: all var(--transition);
}
.service-card:hover .service-card__icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.06) rotate(5deg);
  box-shadow: 0 8px 24px rgba(58,125,58,0.35);
}
.service-card:hover .service-card__icon::after { border-color: var(--primary-light); }
.service-card:hover .service-card__icon svg { stroke: #fff; }

.service-card__title {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 12px;
}
.service-card__desc {
  font-size: 14.5px;
  color: var(--text-light);
  line-height: 1.75;
}

/* ---- 11. Why Choose Us ---- */
.why-us__bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero/about.jpg');
  background-size: cover;
  background-position: center 30%;
}
.why-us__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,20,0,0.15);
}
.why-us__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,25,10,0.72);
  z-index: 1;
}
.why-us__inner { position: relative; z-index: 2; }

.why-us__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 0;
}

.why-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 32px 24px 28px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
}
.why-card:hover {
  background: rgba(255,255,255,0.10);
  border-color: rgba(var(--accent-rgb),0.4);
  transform: translateY(-4px);
}
.why-card__number {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 800;
  color: rgba(255,255,255,0.07);
  line-height: 1;
  position: absolute;
  top: 16px;
  right: 20px;
}
.why-card__icon { margin: 0 auto 16px; display: block; }
.why-card__title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.why-card__desc {
  font-size: 14px;
  color: rgba(255,255,255,0.68);
  line-height: 1.72;
}

/* ---- 12. Activities / Video Section ---- */
.activities { background: var(--bg); }

.activities__slider-wrap {
  position: relative;
}

/* Desktop: 4-column grid — Shorts (9:16) */
.activities__track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: start;
}

/* Activity Card */
.activity-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.activity-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

/* YouTube Shorts embed area — 9:16 portrait */
.yt-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 16;
  background: #0f0f0f;
  overflow: hidden;
}

.yt-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Thumbnail placeholder (before click) */
.yt-embed__thumb {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  cursor: pointer;
  background: linear-gradient(145deg, #1a3a1a 0%, #2a5a2a 50%, #1a4a1a 100%);
  transition: background var(--transition);
}
/* When real YouTube thumbnail is loaded via JS */
.yt-embed__thumb.has-thumb {
  background-size: cover;
  background-position: center;
}
.yt-embed__thumb.has-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.32);
  transition: background var(--transition);
}
.yt-embed__thumb.has-thumb:hover::after {
  background: rgba(0,0,0,0.18);
}

.yt-embed__play {
  position: relative;
  z-index: 1;
  width: 64px;
  height: 64px;
  background: #FF0000;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(255,0,0,0.4);
}
.yt-embed__thumb:hover .yt-embed__play {
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(255,0,0,0.55);
}

.yt-embed__label {
  position: relative;
  z-index: 1;
  color: rgba(255,255,255,0.8);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* Card body */
.activity-card__body {
  padding: 20px 22px 24px;
}
.activity-card__title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
  line-height: 1.4;
}
.activity-card__desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* Arrows (hidden on desktop) */
.activities__arrow {
  display: none;
  position: absolute;
  top: calc(50% - 40px);
  transform: translateY(-50%);
  z-index: 10;
  width: 40px;
  height: 40px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--primary);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.activities__arrow:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.activities__arrow--prev { left: -16px; }
.activities__arrow--next { right: -16px; }

/* Dots (hidden on desktop) */
.activities__dots {
  display: none;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}
.activities__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}
.activities__dot.active {
  background: var(--primary);
  width: 24px;
  border-radius: 4px;
}

/* ---- Mobile: 2-column slide ---- */
@media (max-width: 1023px) {
  .activities__track {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 16px;
    padding-bottom: 4px;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .activities__track::-webkit-scrollbar { display: none; }

  .activity-card {
    flex: 0 0 calc(50% - 8px);
    min-width: calc(50% - 8px);
    scroll-snap-align: start;
  }

  .activities__arrow { display: flex; }
  .activities__dots  { display: flex; }
}

@media (max-width: 479px) {
  .activity-card {
    flex: 0 0 calc(85% - 8px);
    min-width: calc(85% - 8px);
  }
  .activities__arrow { display: none; }
}

/* ---- 12b. Testimonials ---- */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
}
.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 14px;
  right: 22px;
  font-size: 72px;
  line-height: 1;
  color: var(--primary);
  opacity: 0.08;
  font-family: Georgia, serif;
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}
.testimonial-card__stars {
  display: flex;
  gap: 3px;
  margin-bottom: 16px;
}
.testimonial-card__text {
  font-size: 15px;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 22px;
  font-style: italic;
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}
.testimonial-card__author strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-dark);
}
.testimonial-card__author span {
  font-size: 13px;
  color: var(--text-light);
}

/* ---- 13. News / Blog ---- */
.news__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.news-card__img {
  height: 200px;
  position: relative;
  overflow: hidden;
  /* TODO: replace with real image */
}
.news-card__img--1 {
  background-color: #1c5c1c;
  background-image: url('../images/hero/about.jpg');
  background-size: cover;
  background-position: center top;
}
.news-card__img--2 {
  background-color: #1a3a1a;
  background-image: url('../images/products/san pham 4.jpg');
  background-size: cover;
  background-position: center;
}
.news-card__img--3 {
  background-color: #4a3c10;
  background-image: url('../images/products/san pham 5.png');
  background-size: cover;
  background-position: center;
}
.news-card__img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 100px 140px at 80% 110%, rgba(255,255,255,0.12) 0%, transparent 55%);
}

.news-card__date {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(0,0,0,0.55);
  color: rgba(255,255,255,0.9);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}

.news-card__body {
  padding: 22px 24px 26px;
}
.news-card__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(58,125,58,0.1);
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 12px;
}
.news-card__title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.45;
  margin-bottom: 10px;
}
.news-card__excerpt {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.72;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  transition: gap var(--transition), color var(--transition);
}
.news-card__link:hover { color: var(--accent); gap: 10px; }

/* ---- 13b. CTA Section ---- */
.cta-section {
  position: relative;
  padding: 70px 0;
  overflow: hidden;
}
.cta-section__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #3a8a3a 100%);
}
.cta-section__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 50px,
    rgba(255,255,255,0.025) 50px,
    rgba(255,255,255,0.025) 51px
  );
}
.cta-section__inner {
  position: relative;
  z-index: 1;
  text-align: center;
}
.cta-section__title {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}
.cta-section__text {
  font-size: 17px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 36px;
}
.cta-section__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.cta-section__info {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}
.cta-info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  font-weight: 500;
}

/* ---- 14. Footer ---- */
.footer { background: var(--primary-dark); color: rgba(255,255,255,0.75); }

.footer__main { padding: 70px 0 50px; }

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
}

.footer__logo img { height: 48px; width: auto; margin-bottom: 16px; }
.footer__desc {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255,255,255,0.65);
  margin-bottom: 22px;
}

.footer__social { display: flex; gap: 10px; }
.social-btn {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.75);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.social-btn:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.footer__heading {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 22px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}

.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer__links a::before {
  content: '›';
  color: var(--accent);
  font-size: 16px;
}
.footer__links a:hover { color: var(--accent); padding-left: 4px; }

.footer__contact { display: flex; flex-direction: column; gap: 14px; }
.footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
}
.footer__contact li svg { margin-top: 2px; color: var(--accent); flex-shrink: 0; }
.footer__contact a { color: rgba(255,255,255,0.65); transition: color var(--transition); }
.footer__contact a:hover { color: var(--accent); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
}
.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer__bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}

/* ---- 15. Back to Top ---- */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}

/* ---- 16. Scroll Animations ---- */
.animate {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate[data-anim="fade-up"]    { transform: translateY(30px); }
.animate[data-anim="fade-down"]  { transform: translateY(-20px); }
.animate[data-anim="fade-left"]  { transform: translateX(30px); }
.animate[data-anim="fade-right"] { transform: translateX(-30px); }
.animate[data-anim="fade-in"]    { transform: none; }
.animate[data-anim="zoom-in"]    { transform: scale(0.92); }

.animate.is-visible {
  opacity: 1;
  transform: none !important;
}

/* ---- 17. Responsive ---- */

/* Tablet */
@media (max-width: 1023px) {
  .section { padding: 60px 0; }

  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat        { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.12); }
  .stat:nth-child(2n) { border-right: none; }
  .stat:nth-last-child(-n+2) { border-bottom: none; }

  .about__grid        { gap: 40px; }
  .about__img-secondary { width: 160px; height: 120px; bottom: -20px; right: -16px; }

  .products__grid     { grid-template-columns: repeat(2, 1fr); }
  .services__grid     { grid-template-columns: repeat(2, 1fr); }
  .why-us__grid       { grid-template-columns: repeat(2, 1fr); }
  .testimonials__grid { grid-template-columns: repeat(2, 1fr); }
  .news__grid         { grid-template-columns: repeat(2, 1fr); }
  .footer__grid       { grid-template-columns: 1fr 1fr; gap: 36px; }

  .section-title { font-size: 28px; }
}

/* Mobile */
@media (max-width: 767px) {
  :root { --header-h: 60px; --topbar-h: 32px; }

  .container { padding: 0 16px; }
  .section    { padding: 50px 0; }

  /* Header */
  .header__topbar { display: none; }
  .header__main   { border-bottom: 1px solid var(--border); }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 2px solid var(--primary);
    padding: 16px 0;
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 999;
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav__list      { flex-direction: column; gap: 2px; padding: 0 16px; }
  .nav__link      { font-size: 15px; padding: 12px 16px; display: block; }
  .nav__link::after { display: none; }

  .hamburger { display: flex; }
  .header__actions .btn-accent { display: none; }

  /* Hero */
  .hero { min-height: 88vh; }
  .hero__content { padding: 60px 16px; }
  .hero__title { font-size: 32px; }
  .hero__subtitle { font-size: 15px; }
  .hero__actions { flex-direction: column; align-items: flex-start; gap: 12px; }
  .hero__features { flex-direction: column; gap: 10px; }
  .hero__scroll { display: none; }

  /* Stats */
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat__number { font-size: 40px; }

  /* About */
  .about__grid { grid-template-columns: 1fr; gap: 36px; }
  .about__img-placeholder { height: 280px; }
  .about__img-secondary { display: none; }
  .about__content .section-title { font-size: 26px; }

  /* Products */
  .products__grid { grid-template-columns: 1fr; }

  /* Services */
  .services__grid { grid-template-columns: 1fr; }
  .section-header { margin-bottom: 36px; }
  .section-title  { font-size: 26px; }

  /* Why us */
  .why-us__grid { grid-template-columns: 1fr; }

  /* Testimonials */
  .testimonials__grid { grid-template-columns: 1fr; }
  .testimonial-card:nth-child(3) { display: none; }

  /* News */
  .news__grid { grid-template-columns: 1fr; }

  /* CTA */
  .cta-section__title { font-size: 26px; }
  .cta-section__info  { flex-direction: column; gap: 12px; align-items: center; }

  /* Footer */
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom-inner { flex-direction: column; text-align: center; }

  /* Back to top */
  .back-to-top { bottom: 18px; right: 18px; }
}

@media (max-width: 479px) {
  .hero__title { font-size: 26px; }
  .stat__number { font-size: 36px; }
  .about__content .section-title { font-size: 22px; }
  .section-title { font-size: 22px; }
  .cta-section__title { font-size: 22px; }
}

/* =============================================
   17. INNER PAGES — Shared
   ============================================= */

.page-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: 60px 0 50px;
  margin-top: calc(var(--header-h) + var(--topbar-h));
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg, transparent, transparent 40px,
    rgba(255,255,255,0.03) 40px, rgba(255,255,255,0.03) 41px
  );
}
.page-hero__inner { position: relative; z-index: 1; }

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.70);
  margin-bottom: 18px;
}
.breadcrumb a {
  color: rgba(255,255,255,0.70);
  text-decoration: none;
  transition: color var(--transition);
}
.breadcrumb a:hover { color: #fff; }
.breadcrumb__sep { color: rgba(255,255,255,0.40); }

.page-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.2;
}
.page-hero__sub {
  font-size: 16px;
  color: rgba(255,255,255,0.82);
  max-width: 520px;
  margin: 0 auto;
}

/* Filter Bar */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.filter-bar__label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  margin-right: 4px;
}
.filter-bar__btn {
  padding: 8px 22px;
  border: 2px solid var(--border);
  border-radius: 30px;
  background: transparent;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.3px;
}
.filter-bar__btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.filter-bar__btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* =============================================
   18. PRODUCTS PAGE
   ============================================= */

.products-page { padding: 60px 0 80px; }

.products-page__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.product-full-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}
.product-full-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.product-full-card__img {
  position: relative;
  aspect-ratio: 16/10;
  background-size: cover;
  background-position: center;
  background-color: #c8e6c9;
  overflow: hidden;
}
.product-full-card__img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.28) 0%, transparent 55%);
}
.product-full-card__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  z-index: 1;
}
.product-full-card__badge--new    { background: var(--primary); }
.product-full-card__badge--red    { background: #c0392b; }
.product-full-card__badge--blue   { background: #2474a4; }
.product-full-card__badge--gold   { background: var(--accent-dark); }
.product-full-card__badge--purple { background: #7d3c98; }

.product-full-card__body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-full-card__category {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(58,125,58,0.10);
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 10px;
}
.product-full-card__title {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.35;
  margin-bottom: 10px;
}
.product-full-card__desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.72;
  margin-bottom: 16px;
}
.product-full-card__features {
  list-style: none;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.product-full-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.5;
}
.product-full-card__features li svg { flex-shrink: 0; margin-top: 2px; }

.product-full-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.product-full-card__price { font-size: 13px; color: var(--text-light); }
.product-full-card__price strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
}

/* =============================================
   19. KNOWLEDGE PAGE
   ============================================= */

.knowledge-page { padding: 60px 0 80px; }

.knowledge__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.knowledge-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}
.knowledge-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.knowledge-card__img {
  height: 200px;
  position: relative;
  background-size: cover;
  background-position: center;
  background-color: #c8e6c9;
}
.knowledge-card__img--1 { background-color:#1c5c1c; background-image: url('../images/hero/about.jpg'); background-position: center top; }
.knowledge-card__img--2 { background-color:#2a3d1a; background-image: url('../images/products/san pham 3.png'); }
.knowledge-card__img--3 { background-color:#3a4a10; background-image: url('../images/products/san pham 1.jpg'); }
.knowledge-card__img--4 { background-color:#1a3a1a; background-image: url('../images/products/san pham 4.jpg'); }
.knowledge-card__img--5 { background-color:#4a3c10; background-image: url('../images/products/san pham 5.png'); }
.knowledge-card__img--6 { background-color:#2a1a4a; background-image: url('../images/products/san pham 6.png'); }
.knowledge-card__img--7 { background-color:#1c5c1c; background-image: url('../images/about/hero.jpg'); }
.knowledge-card__img--8 { background-color:#1a2a3a; background-image: url('../images/products/san pham 2.jpg'); }
.knowledge-card__img--9 { background-color:#3a2a10; background-image: url('../images/hero/about.jpg'); background-position: bottom center; }

.knowledge-card__img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 55%);
}
.knowledge-card__date {
  position: absolute;
  bottom: 14px;
  left: 14px;
  font-size: 12px;
  color: rgba(255,255,255,0.90);
  font-weight: 500;
  z-index: 1;
}
.knowledge-card__read-time {
  position: absolute;
  bottom: 14px;
  right: 14px;
  font-size: 12px;
  color: rgba(255,255,255,0.80);
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 4px;
}

.knowledge-card__body {
  padding: 22px 24px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.knowledge-card__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(58,125,58,0.10);
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 12px;
}
.knowledge-card__tag--phong-benh { color: #c0392b; background: rgba(192,57,43,0.10); }
.knowledge-card__tag--thu-hoach  { color: var(--accent); background: rgba(var(--accent-rgb),0.12); }

.knowledge-card__title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.45;
  margin-bottom: 10px;
}
.knowledge-card__excerpt {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.72;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.knowledge-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  transition: gap var(--transition), color var(--transition);
  margin-top: auto;
}
.knowledge-card__link:hover { color: var(--accent); gap: 10px; }

/* ---- Responsive — Inner pages ---- */
@media (max-width: 1023px) {
  .products-page__grid  { grid-template-columns: 1fr 1fr; gap: 20px; }
  .knowledge__grid      { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .page-hero            { padding: 44px 0 34px; }
  .page-hero__title     { font-size: 26px; }
  .products-page__grid  { grid-template-columns: 1fr; }
  .knowledge__grid      { grid-template-columns: 1fr; }
  .filter-bar           { gap: 8px; }
  .filter-bar__btn      { padding: 7px 16px; font-size: 13px; }
}

/* =============================================
   20. POST DETAIL PAGE
   ============================================= */

.post-page { padding: 60px 0 80px; }

/* Two-column layout: article + sidebar */
.post-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

/* ---- Main article card ---- */
.post-article {
  background: var(--bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
}

.post-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-size: cover;
  background-position: center top;
  background-color: var(--primary-dark);
  background-image: url('../images/hero/about.jpg');
}

.post-content { padding: 36px 40px 48px; }

/* Category chip */
.post-category {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(var(--primary-rgb),0.10);
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 18px;
}

/* Post h2 title (inside article — distinct from page h1) */
.post-title {
  font-family: var(--font-heading);
  font-size: clamp(20px, 2.8vw, 30px);
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.32;
  margin-bottom: 20px;
}

/* Meta row */
.post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 36px;
}
.post-meta__item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  color: var(--text-light);
}
.post-meta__item svg { color: var(--primary); flex-shrink: 0; }
.post-meta__item strong { color: var(--text); font-weight: 600; }

/* ---- Article body typography ---- */
.post-body { font-size: 16px; line-height: 1.8; color: var(--text); }

.post-body h2 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-dark);
  margin: 36px 0 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--bg-light);
}
.post-body h3 {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-dark);
  margin: 26px 0 10px;
}
.post-body p { margin-bottom: 18px; }

.post-body ul,
.post-body ol {
  padding-left: 24px;
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.post-body ul { list-style: disc; }
.post-body ol { list-style: decimal; }
.post-body li { line-height: 1.7; }
.post-body strong { font-weight: 700; color: var(--primary-dark); }
.post-body em    { font-style: italic; }

.post-body blockquote {
  border-left: 4px solid var(--primary);
  background: var(--bg-light);
  margin: 28px 0;
  padding: 18px 24px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.75;
}

.post-body figure { margin: 28px 0; text-align: center; }
.post-body figure img {
  border-radius: var(--radius);
  width: 100%;
  max-height: 380px;
  object-fit: cover;
}
.post-body figcaption {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 10px;
  font-style: italic;
}

/* Info/tip box inside post body */
.post-body .info-box {
  background: rgba(var(--primary-rgb),0.07);
  border: 1px solid rgba(var(--primary-rgb),0.20);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 28px 0;
}
.post-body .info-box__list {
  list-style: disc;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
}
.post-body .info-box__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

/* Post footer: tags + share */
.post-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.post-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.post-tags__label { font-size: 13px; font-weight: 600; color: var(--text-light); }

.post-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--bg-light);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 20px;
  transition: all var(--transition);
}
.post-tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.post-share {
  display: flex;
  align-items: center;
  gap: 10px;
}
.post-share__label { font-size: 13px; font-weight: 600; color: var(--text-light); }

.share-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--bg-light);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  transition: all var(--transition);
}
.share-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Back link */
.post-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin-top: 28px;
  transition: gap var(--transition), color var(--transition);
}
.post-back:hover { color: var(--accent); gap: 12px; }

/* ---- Sidebar ---- */
.post-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: calc(var(--header-h) + var(--topbar-h) + 20px);
}

.sidebar-widget {
  background: var(--bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
}
.sidebar-widget__header {
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-light);
}
.sidebar-widget__title {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.sidebar-widget__body { padding: 16px 22px; }

/* Related posts mini-cards */
.related-post {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: opacity var(--transition);
}
.related-post:hover { opacity: 0.8; }
.related-post:last-child  { border-bottom: none; padding-bottom: 0; }
.related-post:first-child { padding-top: 0; }

.related-post__thumb {
  width: 72px;
  height: 56px;
  border-radius: var(--radius);
  background-size: cover;
  background-position: center;
  background-color: var(--bg-light);
  flex-shrink: 0;
}
.related-post__thumb--1 { background-image: url('../images/products/san pham 3.png'); }
.related-post__thumb--2 { background-image: url('../images/products/san pham 1.jpg'); }
.related-post__thumb--3 { background-image: url('../images/about/hero.jpg'); }

.related-post__info { flex: 1; min-width: 0; }
.related-post__tag {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 4px;
}
.related-post__title {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 5px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition);
}
.related-post:hover .related-post__title { color: var(--primary); }
.related-post__date { font-size: 11px; color: var(--text-light); }

/* Category list */
.category-list { display: flex; flex-direction: column; gap: 2px; }
.category-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text);
  transition: all var(--transition);
}
.category-item:hover { background: var(--bg-light); color: var(--primary); }
.category-item.active {
  background: rgba(var(--primary-rgb),0.08);
  color: var(--primary);
  font-weight: 600;
}
.category-item__count {
  font-size: 12px;
  color: var(--text-light);
  background: var(--bg-light);
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 600;
}

/* Sidebar CTA */
.sidebar-cta {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  color: #fff;
}
.sidebar-cta__title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}
.sidebar-cta__text {
  font-size: 13px;
  color: rgba(255,255,255,0.82);
  margin-bottom: 18px;
  line-height: 1.6;
}
.sidebar-cta .btn { width: 100%; justify-content: center; }

/* ---- Responsive — Post detail ---- */
@media (max-width: 1023px) {
  .post-layout {
    grid-template-columns: 1fr;
  }
  .post-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .sidebar-cta { grid-column: 1 / -1; }
}

@media (max-width: 767px) {
  .post-page    { padding: 40px 0 60px; }
  .post-content { padding: 22px 18px 36px; }
  .post-sidebar { grid-template-columns: 1fr; }
  .post-meta    { gap: 12px; }
  .post-footer  { flex-direction: column; align-items: flex-start; }
  .post-body h2 { font-size: 18px; }
  .post-body h3 { font-size: 16px; }
  .post-body .info-box { padding: 16px 18px; }
}

@media (max-width: 479px) {
  .post-title     { font-size: 18px; }
  .post-meta      { flex-direction: column; align-items: flex-start; gap: 8px; }
  .post-body      { font-size: 15px; }
  .post-body h2   { font-size: 16px; }
  .post-body h3   { font-size: 15px; }
  .post-tags      { gap: 6px; }
}

/* =============================================
   21. FLOATING CHAT BUTTONS
   ============================================= */

.chat-float {
  position: fixed;
  bottom: 84px; /* above .back-to-top (28px + 44px height + 12px gap) */
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 998;
}

.chat-btn {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.22);
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  flex-shrink: 0;
}

.chat-btn:hover {
  transform: scale(1.12) translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.28);
}

.chat-btn--zalo { background: #0068FF; }
.chat-btn--fb    { background: #0084FF; }
.chat-btn--phone { background: #25D366; }

/* Tooltip label */
.chat-btn__label {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: rgba(20,20,20,0.82);
  color: #fff;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

/* Tooltip arrow */
.chat-btn__label::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: rgba(20,20,20,0.82);
}

.chat-btn:hover .chat-btn__label { opacity: 1; }

@media (max-width: 767px) {
  .chat-float { bottom: 74px; right: 18px; }
  .chat-btn   { width: 46px; height: 46px; }
  .chat-btn__label { display: none; }
}

/* =====================================================
   22. CONTACT PAGE
   ===================================================== */

.contact-section { padding: 60px 0 80px; }

/* 2-column layout: info | form */
.contact-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 40px;
  align-items: start;
}

/* ---- Info column ---- */
.contact-info {
  background: var(--bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
}

.contact-info__header {
  padding: 28px 28px 20px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
}

.contact-info__title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 6px;
}

.contact-info__sub {
  font-size: 14px;
  opacity: 0.85;
  line-height: 1.5;
}

.contact-info__list {
  padding: 8px 0;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-info-item:hover { background: var(--bg-light); }

.contact-info-item__icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-info-item__icon--green {
  background: rgba(var(--primary-rgb), 0.12);
  color: var(--primary);
}
.contact-info-item__icon--blue {
  background: #0068FF;
  color: #fff;
}

.contact-info-item__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-info-item__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-info-item__value {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}
.contact-info-item__value--link {
  color: var(--primary);
  transition: color var(--transition);
}
.contact-info-item__value--link:hover { color: var(--accent); }

.contact-info__note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0;
  padding: 16px 24px 20px;
  background: rgba(var(--accent-rgb), 0.07);
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.5;
}
.contact-info__note svg { flex-shrink: 0; margin-top: 2px; color: var(--accent); }
.contact-info__note strong { color: var(--accent-dark); }

/* ---- Form column ---- */
.contact-form-wrap {
  background: var(--bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  padding: 36px 36px 32px;
}

.contact-form__title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 6px;
}

.contact-form__sub {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 28px;
  line-height: 1.5;
}

/* Form elements */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}
.form-group:last-of-type { margin-bottom: 0; }

.form-label {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.form-required { color: var(--error); margin-left: 2px; }

.form-control {
  width: 100%;
  padding: 11px 15px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text);
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control::placeholder { color: var(--text-light); }
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.12);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.6;
}

.contact-form__submit {
  width: 100%;
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 16px;
}
.contact-form__submit--success {
  background: var(--primary-light) !important;
  cursor: default;
}

.form-privacy {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-light);
}
.form-privacy svg { flex-shrink: 0; }

/* ---- Map section ---- */
.map-section { padding: 0 0 80px; }

.map-section__header {
  text-align: center;
  margin-bottom: 28px;
}

.map-section__title {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.map-section__sub {
  font-size: 15px;
  color: var(--text-light);
}

.map-embed {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  line-height: 0;
}

.map-embed iframe {
  display: block;
  width: 100%;
  border: 0;
}

/* ---- Responsive ---- */
@media (max-width: 1023px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .contact-info__header {
    grid-column: 1 / -1;
  }
  .contact-info__note {
    grid-column: 1 / -1;
  }
  .contact-info__list {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .contact-info-item {
    border-bottom: none;
    border-right: 1px solid var(--border);
  }
  .contact-info-item:nth-child(even) { border-right: none; }
}

@media (max-width: 767px) {
  .contact-form-wrap { padding: 24px 20px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-info {
    display: block;
  }
  .contact-info__list {
    display: block;
  }
  .contact-info-item { border-right: none; border-bottom: 1px solid var(--border); }
  .map-section { padding: 0 0 60px; }
}

@media (max-width: 479px) {
  .contact-form__title { font-size: 18px; }
  .map-section__title { font-size: 22px; }
}

/* =====================================================
   23. ABOUT PAGE
   ===================================================== */

/* ---- Story section ---- */
.about-story-section { padding: 70px 0 80px; }

.about-story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-story__img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: visible;
}

.about-story__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  background-color: var(--primary-dark);
  background-image: url('../images/about/hero.jpg');
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-lg);
}

.about-story__badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 16px 22px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.about-story__badge-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
}
.about-story__badge-num span { font-size: 24px; }

.about-story__badge-text {
  display: block;
  font-size: 12px;
  font-weight: 600;
  opacity: 0.9;
  margin-top: 4px;
  white-space: nowrap;
}

.about-story__title {
  font-family: var(--font-heading);
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 800;
  color: var(--primary-dark);
  margin: 12px 0 18px;
  line-height: 1.3;
}

.about-story__lead {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.7;
}

.about-story__content p {
  color: var(--text-light);
  margin-bottom: 14px;
  line-height: 1.75;
}
.about-story__content p strong { color: var(--text); }

.about-story__highlights {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

.about-highlight {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.about-highlight svg { color: var(--primary); flex-shrink: 0; }

/* ---- Mission section ---- */
.about-mission-section {
  position: relative;
  overflow: hidden;
}

.about-mission__bg {
  position: absolute;
  inset: 0;
  background-color: var(--primary-dark);
  background-image:
    linear-gradient(rgba(10, 35, 10, 0.84), rgba(10, 35, 10, 0.84)),
    url('../images/hero/about.jpg');
  background-size: cover;
  background-position: center;
}

.about-mission-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.mission-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  backdrop-filter: blur(4px);
  transition: background var(--transition), transform var(--transition);
}
.mission-card:hover {
  background: rgba(255,255,255,0.13);
  transform: translateY(-4px);
}

.mission-card__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(var(--accent-rgb), 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  color: var(--accent);
}

.mission-card__title {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 800;
  color: var(--bg);
  margin-bottom: 12px;
}

.mission-card__text {
  font-size: 14px;
  color: rgba(255,255,255,0.78);
  line-height: 1.7;
}

/* ---- Process section ---- */
.about-process-section { padding: 80px 0; }

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}

.process-step {
  padding: 0 16px 0 0;
  position: relative;
}

.process-step__top {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.process-step__num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--bg);
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 1;
}

.process-step__connector {
  flex: 1;
  height: 2px;
  background: linear-gradient(to right, var(--primary), var(--primary-light));
  margin-left: 4px;
}
.process-step__connector--last { background: transparent; }

.process-step__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: rgba(var(--primary-rgb), 0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 14px;
}

.process-step__title {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 8px;
  line-height: 1.4;
}

.process-step__desc {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.65;
}

/* ---- Responsive ---- */
@media (max-width: 1023px) {
  .about-story-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-story__media { order: -1; }
  .about-story__badge { bottom: -16px; right: 16px; }
  .about-mission-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .process-step { padding: 0; }
  .process-step__connector { display: none; }
}

@media (max-width: 767px) {
  .about-story-section { padding: 50px 0 60px; }
  .about-story__badge { right: 8px; bottom: -14px; padding: 12px 16px; }
  .about-story__badge-num { font-size: 28px; }
  .about-mission-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .about-process-section { padding: 50px 0; }
}

@media (max-width: 479px) {
  .process-grid { grid-template-columns: 1fr; }
  .about-story__title { font-size: 20px; }
}

/* ================================================================
   SECTION 24 — WORDPRESS THEME EXTRAS
   ================================================================ */

/* ---- Page Hero ---- */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: 60px 0 50px;
  color: var(--bg);
}
.page-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--bg);
  margin: 12px 0 8px;
  line-height: 1.2;
}
.page-hero__desc { color: rgba(255,255,255,0.82); font-size: 16px; margin: 0; }

/* ---- Breadcrumb ---- */
.breadcrumb { margin-bottom: 8px; }
.breadcrumb__list { display: flex; align-items: center; gap: 6px; list-style: none; padding: 0; margin: 0; font-size: 13px; color: rgba(255,255,255,0.65); flex-wrap: wrap; }
.breadcrumb__list li:not(:first-child)::before { content: '/'; margin-right: 6px; opacity: 0.5; }
.breadcrumb__list a { color: rgba(255,255,255,0.75); text-decoration: none; }
.breadcrumb__list a:hover { color: var(--bg); }
.breadcrumb__list [aria-current] { color: rgba(255,255,255,0.9); }

/* ---- Filter tabs ---- */
.products-filter,
.knowledge-filter { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; justify-content: center; }
.filter-btn {
  padding: 8px 22px;
  border-radius: 24px;
  border: 2px solid var(--border);
  background: var(--bg);
  color: var(--text-light);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
}
.filter-btn:hover,
.filter-btn.active { background: var(--primary); border-color: var(--primary); color: var(--bg); }

/* ---- Post layout ---- */
.post-detail-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }
.post-header { margin-bottom: 28px; }
.post-header__tag { display: inline-block; background: rgba(var(--primary-rgb),0.1); color: var(--primary); font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 20px; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 12px; }
.post-header__title { font-family: var(--font-heading); font-size: clamp(22px, 3.5vw, 34px); font-weight: 800; line-height: 1.28; color: var(--text); margin: 0 0 16px; }
.post-header__meta { display: flex; gap: 20px; flex-wrap: wrap; }
.post-meta-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-light); }
.post-featured-img { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 32px; }
.post-featured-img__img { width: 100%; height: auto; display: block; }
.post-content { font-size: 16px; line-height: 1.8; color: var(--text); }
.post-content h2 { font-size: 22px; font-weight: 700; margin: 32px 0 12px; color: var(--text); }
.post-content h3 { font-size: 18px; font-weight: 700; margin: 24px 0 10px; color: var(--text); }
.post-content p { margin-bottom: 16px; }
.post-content ul, .post-content ol { margin: 0 0 16px 24px; }
.post-content li { margin-bottom: 6px; }
.post-content img { max-width: 100%; border-radius: var(--radius); margin: 16px 0; }
.post-content blockquote { border-left: 4px solid var(--primary); background: var(--bg-light); padding: 16px 20px; border-radius: 0 var(--radius) var(--radius) 0; margin: 20px 0; font-style: italic; }

/* ---- Post footer (tags + share) ---- */
.post-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid var(--border); padding-top: 20px; margin-top: 32px; }
.post-tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.post-tags__label { font-size: 13px; font-weight: 600; color: var(--text-light); }
.post-tag { display: inline-block; padding: 4px 12px; background: var(--bg-light); border: 1px solid var(--border); border-radius: 20px; font-size: 12px; color: var(--text-light); text-decoration: none; }
.post-tag:hover { background: var(--primary); border-color: var(--primary); color: var(--bg); }
.post-share { display: flex; align-items: center; gap: 8px; }
.post-share__label { font-size: 13px; font-weight: 600; color: var(--text-light); }
.share-btn { display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%; background: var(--bg-light); color: var(--text-light); border: 1px solid var(--border); transition: all var(--transition); }
.share-btn:hover { background: var(--primary); border-color: var(--primary); color: var(--bg); }

/* ---- Post related ---- */
.post-related { margin-top: 48px; }
.post-related__title { font-size: 20px; font-weight: 700; margin-bottom: 24px; color: var(--text); }

/* ---- Sidebar ---- */
.sidebar-cta, .sidebar-recent, .sidebar-cats {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.sidebar-cta__title, .sidebar-recent__title, .sidebar-cats__title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 8px;
}
.sidebar-cta__text { font-size: 14px; color: var(--text-light); margin-bottom: 16px; }
.sidebar-recent__item { display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; border-bottom: 1px solid var(--border); text-decoration: none; }
.sidebar-recent__item:last-child { border-bottom: none; }
.sidebar-recent__thumb { width: 56px; height: 56px; border-radius: 8px; background-size: cover; background-position: center; flex-shrink: 0; background-color: var(--bg-light); }
.sidebar-recent__item-title { font-size: 13px; font-weight: 600; color: var(--text); line-height: 1.4; margin-bottom: 4px; }
.sidebar-recent__item:hover .sidebar-recent__item-title { color: var(--primary); }
.sidebar-recent__date { font-size: 12px; color: var(--text-light); }
.sidebar-cats__list { list-style: none; padding: 0; margin: 0; }
.sidebar-cats__list li { border-bottom: 1px solid var(--border); }
.sidebar-cats__list li:last-child { border-bottom: none; }
.sidebar-cats__list a { display: flex; justify-content: space-between; padding: 8px 0; font-size: 14px; color: var(--text); text-decoration: none; }
.sidebar-cats__list a:hover { color: var(--primary); }

/* ---- Pagination ---- */
.pagination { display: flex; justify-content: center; margin-top: 48px; }
.pagination .page-numbers { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 8px; border: 1px solid var(--border); color: var(--text); text-decoration: none; font-size: 14px; font-weight: 600; transition: all var(--transition); margin: 0 3px; }
.pagination .page-numbers:hover,
.pagination .page-numbers.current { background: var(--primary); border-color: var(--primary); color: var(--bg); }
.pagination .prev, .pagination .next { width: auto; padding: 0 14px; gap: 4px; }

/* ---- Page content ---- */
.page-content { max-width: 800px; font-size: 16px; line-height: 1.8; color: var(--text); }
.page-content h2 { font-size: 24px; font-weight: 700; margin: 32px 0 12px; }
.page-content p { margin-bottom: 16px; }

/* ---- Product features in card ---- */
.product-card__features { list-style: none; padding: 0; margin: 0 0 16px; }
.product-card__features li { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-light); padding: 2px 0; }

/* ---- WordPress responsive ---- */
@media (max-width: 1023px) {
  .post-detail-layout { grid-template-columns: 1fr; }
  .post-sidebar { order: -1; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (max-width: 767px) {
  .page-hero { padding: 40px 0 32px; }
  .post-sidebar { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .products-filter, .knowledge-filter { gap: 8px; }
}
@media (max-width: 479px) {
  .post-header__meta { gap: 10px; }
  .post-footer { flex-direction: column; align-items: flex-start; }
}