/* ===================================================
   Landing Page B2F — Giải Pháp Thảo Dược Trang Trại
   Chỉ load trên trang /giai-phap-thao-duoc-trang-trai/
   =================================================== */

.lpb2f { background: var(--bg-white); overflow-x: hidden; }
.lpb2f .container { max-width: 1200px; }

/* ---------- HERO ---------- */
.lpb2f-hero {
  position: relative; min-height: 560px; display: flex; align-items: center;
  background: var(--dark);
}
.lpb2f-hero-bg {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 35%;
}
.lpb2f-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(14,40,25,.92) 0%, rgba(14,40,25,.78) 38%, rgba(14,40,25,.35) 70%, rgba(14,40,25,.15) 100%);
}
.lpb2f-hero-inner { position: relative; z-index: 1; padding: 70px 0; }
.lpb2f-hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.3);
  font-size: .78rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 7px 18px; border-radius: 50px; margin-bottom: 20px;
}
.lpb2f-hero h1 {
  color: #fff; font-size: 2.5rem; font-weight: 800; line-height: 1.28; max-width: 620px; margin-bottom: 16px;
}
.lpb2f-hero h1 span { color: var(--secondary-light); }
.lpb2f-hero p.lead { color: rgba(255,255,255,.85); font-size: 1.05rem; max-width: 520px; margin-bottom: 28px; }
.lpb2f-hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }
.lpb2f-hero-pack {
  position: absolute; right: 6%; bottom: -18px; width: 150px; display: none;
}
@media (min-width: 1200px) { .lpb2f-hero-pack { display: block; } }

/* ---------- PROFIT CALCULATOR ---------- */
.lpb2f-calc { padding: 70px 0; background: var(--bg-light); }
.lpb2f-calc-card {
  background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  padding: 38px; display: grid; grid-template-columns: 1fr; gap: 34px;
}
@media (min-width: 992px) { .lpb2f-calc-card { grid-template-columns: 1fr 0.9fr; } }
.lpb2f-slider-group { margin-bottom: 30px; }
.lpb2f-slider-group label { display: flex; justify-content: space-between; font-weight: 700; color: var(--dark); margin-bottom: 10px; font-size: .95rem; }
.lpb2f-slider-group label .val { color: var(--primary-dark); font-size: 1.1rem; }
.lpb2f-slider-group input[type=range] {
  width: 100%; height: 8px; border-radius: 5px; background: var(--border); outline: none; appearance: none; -webkit-appearance: none;
}
.lpb2f-slider-group input[type=range]::-webkit-slider-thumb {
  appearance: none; -webkit-appearance: none; width: 26px; height: 26px; border-radius: 50%;
  background: var(--primary); border: 4px solid #fff; box-shadow: 0 2px 8px rgba(13,110,53,.5); cursor: pointer;
}
.lpb2f-slider-group input[type=range]::-moz-range-thumb {
  width: 26px; height: 26px; border-radius: 50%; background: var(--primary); border: 4px solid #fff; box-shadow: 0 2px 8px rgba(13,110,53,.5); cursor: pointer;
}
.lpb2f-result-panel {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg); padding: 32px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
}
.lpb2f-result-panel .lbl { color: rgba(255,255,255,.75); font-size: .85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
.lpb2f-result-panel .num {
  font-size: 2.4rem; font-weight: 800; color: #39FF8C; text-shadow: 0 0 18px rgba(57,255,140,.5); line-height: 1.1;
}
.lpb2f-result-panel .num span { font-size: 1.1rem; }
.lpb2f-result-panel .hint { color: rgba(255,255,255,.65); font-size: .8rem; margin-top: 12px; }

/* ---------- CƠ CHẾ TÁC ĐỘNG THEO LOÀI ---------- */
.lpb2f-mechanism { padding: 64px 0; background: var(--bg-light); }
.lpb2f-mech-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 768px) { .lpb2f-mech-grid { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 1100px) { .lpb2f-mech-grid { grid-template-columns: repeat(3,1fr); } }
.lpb2f-mech-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition); display: flex; flex-direction: column;
}
.lpb2f-mech-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.lpb2f-mech-img { background: var(--bg-soft); padding: 16px; min-height: 110px; display: flex; align-items: center; justify-content: center; }
.lpb2f-mech-img img { max-height: 100px; width: auto; }
.lpb2f-mech-body { padding: 18px 20px 22px; flex: 1; display: flex; flex-direction: column; }
.lpb2f-mech-body h4 { font-size: 1.05rem; margin-bottom: 12px; }
.lpb2f-mech-list { list-style: none; padding: 0; margin: 0 0 16px; flex: 1; }
.lpb2f-mech-list li { display: flex; gap: 9px; margin-bottom: 12px; }
.lpb2f-mech-list li i { color: var(--primary); margin-top: 3px; flex: 0 0 auto; }
.lpb2f-mech-list li b { display: block; font-size: .86rem; color: var(--dark); }
.lpb2f-mech-list li span { display: block; font-size: .78rem; color: var(--text-muted); margin-top: 2px; line-height: 1.45; }
.lpb2f-mech-price { font-weight: 800; color: var(--primary-dark); margin-bottom: 12px; }

/* ---------- SPECIES/STAGE FILTER TABS ---------- */
.lpb2f-species-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 40px; }
.lpb2f-species-tab {
  display: inline-flex; align-items: center; gap: 7px; background: #fff; border: 1.5px solid var(--border);
  border-radius: 50px; padding: 9px 18px; font-size: .85rem; font-weight: 700; color: var(--text-light); cursor: pointer; transition: var(--transition);
}
.lpb2f-species-tab i { color: var(--primary); }
.lpb2f-species-tab:hover { border-color: var(--primary-light); color: var(--dark); }
.lpb2f-species-tab.is-active { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: var(--shadow-sm); }
.lpb2f-species-tab.is-active i { color: #fff; }

/* ---------- COMBO CARDS ---------- */
.lpb2f-combos { padding: 70px 0 80px; background: #fff; }
.lpb2f-combo-grid { display: grid; grid-template-columns: 1fr; gap: 28px; }
@media (min-width: 768px) { .lpb2f-combo-grid { grid-template-columns: repeat(3, 1fr); } }
.lpb2f-combo-card {
  position: relative; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition); display: flex; flex-direction: column; background: #fff;
}
.lpb2f-combo-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.lpb2f-combo-badge {
  position: absolute; top: 16px; left: 16px; z-index: 2;
  background: var(--secondary); color: var(--dark); font-size: .72rem; font-weight: 800;
  padding: 5px 14px; border-radius: 50px; letter-spacing: .5px; box-shadow: 0 3px 10px rgba(0,0,0,.15);
}
.lpb2f-combo-imgs { background: var(--bg-soft); padding: 22px 10px 10px; display: flex; align-items: flex-end; justify-content: center; gap: 4px; min-height: 200px; }
.lpb2f-combo-imgs img { max-height: 170px; width: auto; }
.lpb2f-combo-body { padding: 22px 22px 26px; flex: 1; display: flex; flex-direction: column; }
.lpb2f-combo-body h3 { font-size: 1.15rem; margin-bottom: 6px; }
.lpb2f-combo-body .sub { font-size: .8rem; color: var(--text-muted); margin-bottom: 14px; }
.lpb2f-combo-stats { list-style: none; padding: 0; margin: 0 0 18px; flex: 1; }
.lpb2f-combo-stats li { display: flex; gap: 8px; font-size: .87rem; color: var(--text); margin-bottom: 8px; }
.lpb2f-combo-stats li i { color: var(--primary); margin-top: 3px; }
.lpb2f-combo-proof { display: flex; gap: 10px; background: var(--primary-ultra); border-radius: var(--radius); padding: 10px 12px; margin-bottom: 16px; font-size: .78rem; color: var(--primary-dark); font-weight: 600; }
.lpb2f-combo-price { font-size: 1.4rem; font-weight: 800; color: var(--primary-dark); margin-bottom: 2px; }
.lpb2f-combo-pack-note { font-size: .78rem; color: var(--text-muted); margin-bottom: 14px; }

/* ---------- SẢN PHẨM ĐƠN LẺ ---------- */
.lpb2f-single-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
@media (min-width: 768px) { .lpb2f-single-grid { grid-template-columns: repeat(4,1fr); } }
.lpb2f-single-card {
  border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition); text-align: center;
}
.lpb2f-single-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.lpb2f-single-img { background: var(--bg-soft); padding: 18px; min-height: 120px; display: flex; align-items: center; justify-content: center; }
.lpb2f-single-img img { max-height: 90px; width: auto; margin: 0 auto; }
.lpb2f-single-fallback { font-size: 2rem; color: var(--primary-light); }
.lpb2f-single-body { padding: 16px; }
.lpb2f-single-body h4 { font-size: .92rem; margin-bottom: 8px; }
.lpb2f-single-body h4 small { color: var(--text-muted); font-weight: 500; }
.lpb2f-single-price { font-weight: 800; color: var(--primary-dark); margin-bottom: 12px; }

/* ---------- BUY NOW MODAL ---------- */
#lpb2fOrderModal .modal-content { border-radius: var(--radius-lg); border: none; }
.lpb2f-pay-choice { display: flex; gap: 10px; margin-bottom: 16px; }
.lpb2f-pay-choice label {
  flex: 1; border: 1.5px solid var(--border); border-radius: var(--radius); padding: 12px; text-align: center;
  font-size: .85rem; font-weight: 600; cursor: pointer; transition: var(--transition); color: var(--text-light);
}
.lpb2f-pay-choice input { display: none; }
.lpb2f-pay-choice input:checked + label,
.lpb2f-pay-choice label.active { border-color: var(--primary); background: var(--primary-ultra); color: var(--primary-dark); }
.lpb2f-success-box { text-align: center; padding: 10px 0; }
.lpb2f-success-box i.fa-circle-check { font-size: 3rem; color: var(--primary); margin-bottom: 14px; }

.lp-fade-up { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.lp-fade-up.is-visible { opacity: 1; transform: translateY(0); }

@keyframes lpf2NumPop { 0% { transform: scale(1); } 50% { transform: scale(1.06); } 100% { transform: scale(1); } }
.lpb2f-result-panel .num.bump { animation: lpf2NumPop .25s ease; }