/* Fonts tự host — Plus Jakarta Sans variable (SIL OFL), 1 family cho cả site.
   04/07/2026: bỏ DM Sans vì KHÔNG hỗ trợ ký tự tiếng Việt (U+1EA0-1EF1), chữ có dấu
   bị rơi về font hệ thống. PJS phủ vietnamese đầy đủ. KHÔNG sửa tay file woff2;
   nếu đổi font -> đổi TÊN file (fonts/ cache 1 năm immutable). Bản sao cho 404: css/fonts.css */
@font-face{font-family:'Plus Jakarta Sans';font-style:normal;font-weight:200 800;font-display:swap;src:url(/fonts/plus-jakarta-sans-var-vietnamese.woff2) format('woff2');unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;}
@font-face{font-family:'Plus Jakarta Sans';font-style:normal;font-weight:200 800;font-display:swap;src:url(/fonts/plus-jakarta-sans-var-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:'Plus Jakarta Sans';font-style:normal;font-weight:200 800;font-display:swap;src:url(/fonts/plus-jakarta-sans-var-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:'Plus Jakarta Sans';font-style:italic;font-weight:200 800;font-display:swap;src:url(/fonts/plus-jakarta-sans-var-i-vietnamese.woff2) format('woff2');unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;}
@font-face{font-family:'Plus Jakarta Sans';font-style:italic;font-weight:200 800;font-display:swap;src:url(/fonts/plus-jakarta-sans-var-i-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:'Plus Jakarta Sans';font-style:italic;font-weight:200 800;font-display:swap;src:url(/fonts/plus-jakarta-sans-var-i-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}

/* ============================================================
   FLOURISH FARM, style.css
   Design system: Premium farm aesthetic, Đà Lạt vibes
   ============================================================ */

/* ── DESIGN TOKENS ────────────────────────────────────────── */
:root {
  /* ── BRAND COLORS (nguồn: BrandIdentity.md, 18/05/2026) ── */
  --green-dark:   #3D5C42;   /* Xanh đậm, logo, heading, footer bg */
  --green:        #72A87A;   /* Xanh vườn, CTA, button, accent chính */
  --green-light:  #5a9163;   /* Darker tint, hover states */
  --green-muted:  #A8C9AD;   /* Light tint, avatar bg, muted elements */
  --cream:        #F5EFE2;   /* Nền kem, section-alt background */
  --blush:        #E8A0B0;   /* Hồng blush, tag, badge, accent */
  --blue-light:   #8FB8D8;   /* Xanh lam nhẹ, badge, info section */
  --white:        #ffffff;
  --text:         #3D5C42;   /* Body text màu brand dark per BrandIdentity */
  --text-muted:   #5b6470;   /* Đậm hơn bản gốc #6b7280 để đạt 4.5:1 cả trên nền trắng lẫn nền kem */
  --border:       #e5e7eb;

  /* ── TYPOGRAPHY (04/07/2026: cả site dùng 1 family Plus Jakarta Sans.
     Bỏ DM Sans vì không có glyph tiếng Việt U+1EA0-1EF1, chữ có dấu bị trộn font hệ thống) ── */
  --font-head:    'Plus Jakarta Sans', sans-serif;  /* Headings, modern, distinctive */
  --font-body:    'Plus Jakarta Sans', sans-serif;  /* Body: cùng family, phân cấp bằng weight */

  --nav-h:        72px;
  --max-w:        1200px;
  --radius:       12px;
  --radius-sm:    6px;
  --radius-full:  9999px;  /* Pill shapes, dùng thay hardcoded 99px */
  --shadow:       0 4px 20px rgba(0,0,0,.08);
  --shadow-md:    0 8px 32px rgba(0,0,0,.12);
  --transition:   .3s ease;
}

/* ── RESET ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-body); color: var(--text); background: var(--white); line-height: 1.6; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── TYPOGRAPHY ───────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p  { color: var(--text-muted); line-height: 1.8; }

/* ── UTILITIES ────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 40px; }
.section    { padding: 96px 0; }
.section--alt { background: var(--cream); }
.section-label { font-size: 13px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--green-dark); margin-bottom: 12px; }
.section-title { color: var(--green-dark); margin-bottom: 16px; }
.section-desc  { font-size: 1.05rem; max-width: 560px; margin-bottom: 40px; }
.text-center   { text-align: center; }
.text-center .section-desc { margin: 0 auto 40px; }

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
}
.btn-primary { background: var(--green-dark); color: var(--white); }
.btn-primary:hover { background: var(--green-light); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-outline { border: 2px solid var(--green); color: var(--green-dark); }
.btn-outline:hover { background: var(--green-dark); color: var(--white); }
.btn-white { background: var(--white); color: var(--green-dark); }
.btn-white:hover { background: var(--cream); }
/* Ghost button: dùng trên nền tối (cta-banner, section dark) */
.btn-ghost { border: 2px solid rgba(255,255,255,.5); color: white; }
.btn-ghost:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.8); }
/* Full-width button (lightbox, modal) */
.btn-block { width: 100%; text-align: center; }

/* ── NAVIGATION ───────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.nav.scrolled { border-bottom-color: var(--border); box-shadow: var(--shadow); }
.nav__inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 40px;
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.nav__logo {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;           /* ExtraBold, nổi bật, clean */
  color: var(--green-dark);
  letter-spacing: 1px;        /* Spacing thoáng hơn cho sans-serif */
  text-transform: uppercase;  /* Brand spec: test all caps trước */
}
.nav__links { display: flex; align-items: center; gap: 36px; }
.nav__link { font-size: 14px; font-weight: 500; color: var(--text); transition: var(--transition); }
.nav__link:hover, .nav__link.active { color: var(--green-dark); }
.nav__link--cta {
  background: var(--green-dark);
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
}
.nav__link--cta:hover { background: var(--green-light); }

/* Hamburger */
.nav__burger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav__burger span { display: block; width: 24px; height: 2px; background: var(--green-dark); transition: var(--transition); border-radius: 2px; }
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile {
  position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0; z-index: 99;
  background: var(--white);
  padding: 32px 40px;
  display: flex; flex-direction: column; gap: 24px;
  transform: translateX(100%);
  transition: transform .35s ease;
}
.nav__mobile.open { transform: translateX(0); }
.nav__mobile a { font-size: 20px; font-weight: 500; color: var(--text); border-bottom: 1px solid var(--border); padding-bottom: 16px; }
.nav__mobile a:last-child { background: var(--green-dark); color: var(--white); text-align: center; padding: 14px; border-radius: var(--radius-sm); border: none; }

/* Page offset for fixed nav */
.page-body { padding-top: var(--nav-h); }

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 80px 40px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.hero__tag {
  display: inline-block;
  background: var(--blush);
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}
.hero__title { color: var(--green-dark); margin-bottom: 20px; }
/* em in heading: dùng màu thay vì italic, phù hợp sans-serif modern hơn */
.hero__title em { font-style: normal; color: var(--green-dark); font-weight: 800; }
.hero__desc { font-size: 1.1rem; margin-bottom: 36px; max-width: 480px; color: var(--text); }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__image {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  /* Real hero photo, z-index 2 để nằm trên gradient và emoji ::after */
  aspect-ratio: 4/5;
  background: linear-gradient(135deg, #A8C9AD 0%, #72A87A 50%, #3D5C42 100%);
}
.hero__image::after {
  content: '🌸';
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  font-size: 80px;
  opacity: .3;
}
/* Hero real photo, phủ lên gradient + emoji khi có ảnh thật */
.hero__photo {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 2;
}
.hero__badge {
  position: absolute; bottom: 24px; left: 24px;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  padding: 12px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  z-index: 3; /* Trên ảnh hero */
}
.hero__badge-num { font-family: var(--font-head); font-size: 28px; font-weight: 700; color: var(--green-dark); }
.hero__badge-txt { font-size: 12px; color: var(--text-muted); }

/* ── STATS BAR ────────────────────────────────────────────── */
.stats {
  background: var(--green-dark);
  padding: 40px 0;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stats__item {
  text-align: center;
  padding: 16px 24px;
  border-right: 1px solid rgba(255,255,255,.15);
}
.stats__item:last-child { border-right: none; }
.stats__num { font-family: var(--font-head); font-size: 2.4rem; font-weight: 700; color: var(--white); }
.stats__label { font-size: 13px; color: rgba(255,255,255,.85); margin-top: 4px; }

/* ── FEATURED PRODUCTS ────────────────────────────────────── */
.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

/* ── PRODUCT CARD ─────────────────────────────────────────── */
.product-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  background: var(--white);
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.product-card__img {
  width: 100%;
  aspect-ratio: 4/3;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
/* Real photo: nằm trên gradient fallback (z-index 1), scale khi hover */
.product-card__photo {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 1;
  transition: transform .4s ease;
}
.product-card:hover .product-card__photo { transform: scale(1.05); }
/* Emoji/gradient fallback: z-index 0, tự hiện khi ảnh thật không có */
.product-card__img-inner {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  transition: transform .4s ease;
  display: flex; align-items: center; justify-content: center;
  font-size: 48px;
  z-index: 0;
}
.product-card:hover .product-card__img-inner { transform: scale(1.05); }

/* Color variants */
.img-blue   { background: linear-gradient(135deg, #b8dcf0, #7ec4e8); }
.img-pink   { background: linear-gradient(135deg, #f8c8d4, #f0a0b8); }
.img-white  { background: linear-gradient(135deg, #f0f0f0, #dde0df); }
.img-purple { background: linear-gradient(135deg, #d4c0e8, #b090d0); }
.img-mixed  { background: linear-gradient(135deg, #f8c8d4, #b8dcf0, #d4c0e8); }
.img-green  { background: linear-gradient(135deg, #c8e8c0, #90c890); }

.product-card__badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--white);
  font-size: 11px; font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  color: var(--green-dark);
}
.product-card__body { padding: 20px; }
.product-card__tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.product-card__tag {
  font-size: 11px; font-weight: 500;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--cream);
  color: var(--green-dark);
}
.product-card__name { font-size: 1.05rem; font-weight: 600; color: var(--green-dark); margin-bottom: 6px; }
.product-card__desc { font-size: 13px; color: var(--text-muted); margin-bottom: 14px; }
.product-card__footer { display: flex; align-items: center; justify-content: space-between; }
.product-card__price { font-family: var(--font-head); font-size: 1.1rem; color: var(--green-dark); font-weight: 700; }
.product-card__btn {
  font-size: 13px; font-weight: 600;
  color: var(--green-dark);
  padding: 8px 16px;
  border: 1.5px solid var(--green);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.product-card__btn:hover { background: var(--green-dark); color: var(--white); }

/* Hidden by filter */
.product-card.hidden { display: none; }

/* ── FILTER BAR ───────────────────────────────────────────── */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-bottom: 48px;
  padding: 24px;
  background: var(--cream);
  border-radius: var(--radius);
}
.filter-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.filter-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); margin-right: 4px; }
.filter-btn {
  font-size: 13px; font-weight: 500;
  padding: 7px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  background: var(--white);
  transition: var(--transition);
}
.filter-btn:hover { border-color: var(--green); color: var(--green-dark); }
.filter-btn.active { background: var(--green-dark); color: var(--white); border-color: var(--green-dark); }
.filter-divider { width: 1px; height: 28px; background: var(--border); margin: 0 8px; }

/* ── WHY CHOOSE US ────────────────────────────────────────── */
.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 56px;
}
.feature-card {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.feature-card:hover { border-color: var(--green-muted); box-shadow: var(--shadow); }
.feature-card__icon { font-size: 40px; margin-bottom: 16px; }
.feature-card__title { font-size: 1rem; font-weight: 700; color: var(--green-dark); margin-bottom: 8px; }
.feature-card__desc { font-size: 14px; }

/* ── BRAND STORY ──────────────────────────────────────────── */
.story__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.story__image {
  border-radius: 24px;
  aspect-ratio: 1;
  background: linear-gradient(135deg, #A8C9AD, #72A87A, #3D5C42);
  display: flex; align-items: center; justify-content: center;
  font-size: 80px;
  opacity: .9;
  /* Cần position: relative để ảnh thật dùng position: absolute */
  position: relative;
  overflow: hidden;
}
/* Story real photo */
.story__photo {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 24px;
  z-index: 1;
}
.story__quote {
  margin: 28px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--green);
  background: var(--cream);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.story__quote p { color: var(--green-dark); font-style: italic; font-size: 1rem; }

/* ── TESTIMONIALS ─────────────────────────────────────────── */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.testimonial-card {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.testimonial-card__stars { color: #f59e0b; font-size: 18px; margin-bottom: 16px; }
.testimonial-card__text { font-size: 15px; color: var(--text); margin-bottom: 24px; font-style: italic; }
.testimonial-card__author { display: flex; align-items: center; gap: 12px; }
.testimonial-card__avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--green-muted);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  color: var(--white);
  font-weight: 700;
  font-family: var(--font-head);
}
.testimonial-card__name { font-weight: 600; font-size: 14px; color: var(--green-dark); }
.testimonial-card__role { font-size: 12px; color: var(--text-muted); }

/* ── CTA BANNER ───────────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--green-dark), var(--green));
  padding: 80px 40px;
  text-align: center;
}
.cta-banner h2 { color: var(--white); margin-bottom: 16px; }
.cta-banner p { color: rgba(255,255,255,.75); margin-bottom: 36px; max-width: 480px; margin-left: auto; margin-right: auto; }
.cta-banner__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── PAGE HERO (sub pages) ────────────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 100%);
  padding: 64px 40px;
  text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,.75); font-size: 1.1rem; max-width: 520px; margin: 0 auto; }

/* ── ABOUT PAGE ───────────────────────────────────────────── */
.timeline { margin-top: 48px; }
.timeline__item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding-bottom: 48px;
  position: relative;
}
.timeline__item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 39px; top: 44px; bottom: 0;
  width: 2px;
  background: var(--border);
}
.timeline__year {
  width: 44px; height: 44px;
  background: var(--green-dark);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  flex-shrink: 0;
}
.timeline__content h3 { color: var(--green-dark); margin-bottom: 8px; }

.values__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.value-card {
  padding: 36px 28px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.value-card__icon { font-size: 36px; margin-bottom: 16px; }
.value-card__title { font-size: 1.1rem; font-weight: 700; color: var(--green-dark); margin-bottom: 10px; }

/* ── ORDER FORM ───────────────────────────────────────────── */
.order-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 60px;
  align-items: start;
}
.form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}
.form-card h2 { color: var(--green-dark); margin-bottom: 32px; font-size: 1.6rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 24px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--green-dark); margin-bottom: 8px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: var(--font-body);
  color: var(--text);
  transition: var(--transition);
  background: var(--white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(45,106,79,.1); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; display: block; }
.form-submit {
  width: 100%;
  padding: 16px;
  background: var(--green-dark);
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  font-family: var(--font-body);
}
.form-submit:hover { background: var(--green-light); }

.order-info { display: flex; flex-direction: column; gap: 20px; }
.info-card {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 28px;
}
.info-card h3 { color: var(--green-dark); font-size: 1rem; margin-bottom: 12px; }
.info-card p, .info-card li { font-size: 14px; margin-bottom: 8px; }
.info-card ul { padding-left: 16px; list-style: disc; }
.info-card a { color: var(--green-dark); font-weight: 600; }

/* FAQ */
.faq { margin-top: 80px; }
.faq h2 { color: var(--green-dark); margin-bottom: 32px; }
.faq__item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.faq__question {
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer;
  font-weight: 600; font-size: 15px;
  color: var(--green-dark);
}
.faq__question::after { content: '+'; font-size: 22px; color: var(--green-dark); transition: var(--transition); }
.faq__item.open .faq__question::after { transform: rotate(45deg); }
.faq__answer { display: none; padding-top: 12px; font-size: 14px; }
.faq__item.open .faq__answer { display: block; }

/* ── LIGHTBOX ─────────────────────────────────────────────── */
.lightbox {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,.88);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .3s ease;
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox__inner {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 800px;
  width: 90%;
  max-height: 90vh;
  display: grid;
  grid-template-columns: 1fr 280px;
}
.lightbox__img {
  aspect-ratio: 1;
  position: relative;
  display: flex; align-items: center; justify-content: center;
  font-size: 80px;
}
/* Gallery nav trong lightbox */
.lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 42px; height: 42px; border-radius: 50%;
  background: rgba(255,255,255,.92); color: var(--green-dark);
  font-size: 26px; line-height: 1; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow); z-index: 6;
}
.lb-nav:hover { background: #fff; }
.lb-nav--prev { left: 10px; }
.lb-nav--next { right: 10px; }
.lb-counter {
  position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%);
  background: rgba(0,0,0,.6); color: #fff;
  font-size: 13px; font-weight: 600; padding: 4px 12px;
  border-radius: var(--radius-full); z-index: 6;
}
.product-card__count {
  position: absolute; bottom: 10px; right: 10px;
  background: rgba(0,0,0,.55); color: #fff;
  font-size: 12px; font-weight: 600; padding: 3px 9px;
  border-radius: var(--radius-full); pointer-events: none; z-index: 3;
}
.lightbox__info { padding: 36px; display: flex; flex-direction: column; justify-content: center; }
.lightbox__info h3 { color: var(--green-dark); font-size: 1.4rem; margin-bottom: 12px; }
.lightbox__info p  { font-size: 14px; margin-bottom: 20px; }
.lightbox__price { font-family: var(--font-head); font-size: 1.4rem; color: var(--green-dark); font-weight: 700; margin-bottom: 24px; }
.lightbox__close {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px;
  background: rgba(0,0,0,.5);
  color: white; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  cursor: pointer;
  transition: var(--transition);
}
.lightbox__close:hover { background: rgba(0,0,0,.8); }

/* ── BENEFITS (dải lợi ích trang sản phẩm) ────────────────── */
.benefits { background: var(--cream); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.benefits__inner { max-width: var(--max-w); margin: 0 auto; padding: 16px 40px; display: flex; flex-wrap: wrap; gap: 14px 28px; justify-content: center; }
.benefit { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; color: var(--text); }
.benefit__ic { font-size: 18px; line-height: 1; }
@media (max-width: 768px) {
  .benefits__inner { padding: 14px 20px; justify-content: flex-start; gap: 12px; }
  .benefit { width: 100%; }
}

/* ── QUIZ (tìm cây phù hợp) ───────────────────────────────── */
.quiz { max-width: 720px; margin: 0 auto; background: var(--cream); border-radius: var(--radius); padding: 32px; }
.quiz__head { text-align: center; margin-bottom: 20px; }
.quiz__q { font-weight: 700; color: var(--green-dark); margin-bottom: 14px; font-size: 1.05rem; }
.quiz__opts { display: flex; flex-direction: column; gap: 10px; }
.quiz__opt { text-align: left; padding: 14px 18px; border: 2px solid var(--border); border-radius: var(--radius-sm); background: #fff; color: var(--text); font-weight: 500; transition: var(--transition); }
.quiz__opt:hover { border-color: var(--green); transform: translateY(-1px); box-shadow: var(--shadow); }
.quiz__step, .quiz__result { animation: quizFade .3s ease; }
@keyframes quizFade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.quiz__result { text-align: center; }
.quiz__result-label { color: var(--green-dark); font-weight: 700; text-transform: uppercase; font-size: 13px; letter-spacing: 1px; margin-bottom: 12px; }
.quiz__result-card { display: flex; gap: 18px; align-items: center; justify-content: center; background: #fff; border-radius: var(--radius); padding: 18px; text-align: left; }
.quiz__result-card img { width: 120px; height: 120px; border-radius: var(--radius-sm); object-fit: cover; }
.quiz__result-name { font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; color: var(--green-dark); }
.quiz__result-price { color: var(--green-dark); font-weight: 600; margin: 4px 0 12px; }
.quiz__result-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.quiz__note { font-size: 13px; color: var(--text-muted); margin-top: 14px; }
@media (max-width: 560px) { .quiz { padding: 24px 18px; } .quiz__result-card { flex-direction: column; text-align: center; } }

/* ── GUIDE (cẩm nang) ─────────────────────────────────────── */
.guide { max-width: 820px; }
.guide__q { color: var(--green-dark); margin: 40px 0 12px; }
.guide h3 { color: var(--green-dark); margin: 24px 0 8px; font-size: 1.05rem; }
.guide p { margin-bottom: 10px; }
.guide__list { margin: 0 0 10px; padding-left: 0; }
.guide__list li { position: relative; padding-left: 26px; margin-bottom: 10px; line-height: 1.7; color: var(--text-muted); }
.guide__list li::before { content: "🌿"; position: absolute; left: 0; font-size: 14px; }
.guide__list li strong { color: var(--text); }
/* Anchor từ mục lục không bị nav fixed che mất heading */
.guide h2[id] { scroll-margin-top: 90px; }
/* Ảnh trong bài (figure + caption in nghiêng theo SEO Playbook) */
.guide__fig { margin: 18px 0 22px; }
.guide__fig img { width: 100%; height: auto; border-radius: var(--radius); display: block; }
.guide__fig figcaption { font-style: italic; font-size: 13.5px; color: var(--text-muted); margin-top: 8px; }

/* ── HUB CẨM NANG (cam-nang.html) ─────────────────────────── */
.guide-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.guide-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); display: block; }
.guide-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.guide-card img { width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; }
.guide-card__body { padding: 20px; }
.guide-card__step { font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--green-dark); }
.guide-card__title { font-size: 1.1rem; color: var(--green-dark); margin: 8px 0; }
.guide-card__desc { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* ── BREADCRUMB hiển thị + MỤC LỤC (bài cẩm nang, inject bởi main.js) ── */
.crumbs { font-size: 13px; margin-bottom: 12px; }
.crumbs a { color: rgba(255,255,255,.85); }
.crumbs a:hover { text-decoration: underline; }
.crumbs span { color: rgba(255,255,255,.6); margin: 0 4px; }
.toc { background: var(--cream); border-radius: var(--radius); padding: 18px 22px; margin: 20px 0; }
.toc strong { color: var(--green-dark); display: block; margin-bottom: 8px; }
.toc ol { margin: 0; padding-left: 20px; list-style: decimal; }
.toc li { margin-bottom: 4px; font-size: 14.5px; }
.toc a { color: var(--green-dark); }
.toc a:hover { text-decoration: underline; }
.toc a.active { font-weight: 700; }
/* Desktop rộng: mục lục thành thanh dính bên trái, đi theo suốt bài.
   Kỹ thuật: .toc-rail absolute phủ hết chiều cao bài -> .toc sticky bên trong,
   nên mục lục chỉ bắt đầu từ đầu nội dung (không đè hero) và dính khi cuộn. */
@media (min-width: 1200px) {
  .guide { margin-left: 280px; position: relative; }
  .toc-rail { position: absolute; top: 0; bottom: 0; left: -280px; width: 240px; }
  .toc {
    position: sticky;
    top: 96px;
    max-height: calc(100vh - 130px);
    overflow-y: auto;
    margin: 0;
  }
  .toc li { font-size: 13.5px; margin-bottom: 6px; }
}

/* ── SIZE NOTE (kích cỡ thật) ─────────────────────────────── */
.size-note {
  display: flex; gap: 24px; align-items: center;
  background: var(--cream);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 40px;
}
.size-note__img {
  width: 360px; max-width: 42%;
  border-radius: var(--radius-sm);
  aspect-ratio: 4/3; object-fit: cover;
}
.size-note__text h3 { color: var(--green-dark); margin-bottom: 8px; }
@media (max-width: 768px) {
  .size-note { flex-direction: column; }
  .size-note__img { width: 100%; max-width: 100%; }
}

/* ── FLOATING ZALO ────────────────────────────────────────── */
.zalo-float {
  position: fixed; bottom: 32px; right: 32px; z-index: 90;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.zalo-float__btn {
  width: 56px; height: 56px;
  background: #0068ff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(0,104,255,.4);
  transition: var(--transition);
  font-size: 24px;
  text-decoration: none;
  animation: pulse 2s infinite;
}
.zalo-float__btn:hover { transform: scale(1.1); }
.zalo-float__btn { color: #fff; font-weight: 800; }
.zalo-float__btn--mess {
  background: linear-gradient(135deg, #00B2FF 0%, #006AFF 55%, #A033FF 100%);
  box-shadow: 0 4px 20px rgba(0,106,255,.4);
  animation: none;
}
.zalo-float__btn--mess:hover { transform: scale(1.1); }
.zalo-float__label {
  background: var(--green-dark);
  color: white;
  font-size: 11px; font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(0,104,255,.4); }
  50% { box-shadow: 0 4px 32px rgba(0,104,255,.7); }
}

/* ── BACK TO TOP ──────────────────────────────────────────── */
.back-top {
  position: fixed; bottom: 100px; right: 32px; z-index: 90;
  width: 44px; height: 44px;
  background: var(--green-dark);
  color: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  opacity: 0; pointer-events: none;
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.back-top.visible { opacity: 1; pointer-events: all; }
.back-top:hover { background: var(--green-dark); transform: translateY(-2px); }

/* ── FOOTER ───────────────────────────────────────────────── */
.footer { background: var(--green-dark); color: rgba(255,255,255,.8); padding: 64px 0 32px; }
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer__brand-name { font-family: var(--font-head); font-size: 22px; color: white; margin-bottom: 12px; }
.footer__brand-desc { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.75); }
.footer__title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: white; margin-bottom: 16px; }
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a { font-size: 14px; color: rgba(255,255,255,.75); transition: var(--transition); }
.footer__links a:hover { color: white; }
.footer__contact p { font-size: 14px; color: rgba(255,255,255,.75); margin-bottom: 8px; }
.footer__tel-link { color: rgba(255,255,255,.7); }
.footer__tel-link:hover { color: white; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 28px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: rgba(255,255,255,.75);
}

/* ── SCROLL ANIMATIONS ────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up:nth-child(2) { transition-delay: .1s; }
.fade-up:nth-child(3) { transition-delay: .2s; }
.fade-up:nth-child(4) { transition-delay: .3s; }

/* ── SKIP LINK (accessibility) ───────────────────────────── */
/* Ẩn bình thường, hiện khi focus, dành cho keyboard/screen reader users */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--green-dark);
  color: var(--white);
  padding: 12px 20px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  z-index: 9999;
  text-decoration: none;
  transition: top .2s ease;
}
.skip-link:focus { top: 0; }

/* ── FOCUS VISIBLE (keyboard nav) ────────────────────────── */
/* Chỉ hiện outline khi dùng keyboard, không hiện khi click chuột */
*:focus { outline: none; }
*:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 2px;
  border-radius: 2px;
}
.btn:focus-visible,
.nav__link:focus-visible,
.product-card__btn:focus-visible { border-radius: var(--radius-sm); }

/* ── PREFERS REDUCED MOTION ───────────────────────────────── */
/* Tôn trọng setting "giảm chuyển động" của hệ điều hành user */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .fade-up { opacity: 1; transform: none; }
}

/* ── PRODUCTS PAGE GRID ───────────────────────────────────── */
/* Tách ra từ inline <style> trong san-pham.html */
.products-page__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
#filterEmpty {
  display: none;
  text-align: center;
  padding: 60px 0;
  color: var(--text-muted);
  grid-column: 1 / -1;
}
#filterEmpty .filter-empty__icon { font-size: 2rem; margin-bottom: 12px; }

/* ── FORM STATUS ──────────────────────────────────────────── */
/* Tách ra từ inline <style> trong dat-hang.html */
.form-status {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-weight: 500;
  font-size: 15px;
}
.form-status--success { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
.form-status--error   { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.form-submit:disabled { opacity: 0.65; cursor: not-allowed; }

/* ── UTILITIES ────────────────────────────────────────────── */
.mt-40  { margin-top: 40px; }
.mt-8   { margin-top: 8px; }
.btn-block { width: 100%; text-align: center; }  /* Full-width button */

/* ── PRINT STYLES ─────────────────────────────────────────── */
/* Khi user print trang, ẩn nav/footer/buttons, chỉ giữ nội dung */
@media print {
  .nav, .nav__mobile, footer, .zalo-float, .back-top,
  .cta-banner, .btn, .lightbox { display: none !important; }
  body { background: white; color: black; font-size: 12pt; }
  h1, h2, h3 { color: black; page-break-after: avoid; }
  a { color: black; text-decoration: underline; }
  a[href]::after { content: " (" attr(href) ")"; font-size: 10pt; }
  .container { max-width: 100%; padding: 0; }
  .section { padding: 24pt 0; }
}

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; text-align: center; min-height: auto; padding: 60px 40px; }
  .hero__image { max-width: 400px; margin: 0 auto; }
  .hero__desc { margin: 0 auto 36px; }
  .hero__actions { justify-content: center; }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .order-layout { grid-template-columns: 1fr; }
  .order-info { display: grid; grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 24px; }
  .section { padding: 64px 0; }
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .hero { padding: 48px 24px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__item:nth-child(2) { border-right: none; }
  .products__grid { grid-template-columns: 1fr; }
  .products-page__grid { grid-template-columns: 1fr; }
  .story__grid { grid-template-columns: 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .features__grid { grid-template-columns: 1fr 1fr; }
  .lightbox__inner { grid-template-columns: 1fr; }
  .lightbox__img { aspect-ratio: 16/9; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
  .page-hero { padding: 48px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .order-info { grid-template-columns: 1fr; }
  .values__grid { grid-template-columns: 1fr; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .products