/* ═══════════════════════════════════════════════════════════════
   SHEETLAB — Product Detail Page (PDP) Design System
   Used by /sach/:slug (when book.landingContent is filled in)
   Reuses tokens from sheetlab.css — KHÔNG override token cũ.
   Architecture borrowed from "story-commerce" landing pages,
   visual treatment giữ vibe Sheetlab (green + ink + cream).
   ═══════════════════════════════════════════════════════════════ */

/* Container scopes — 3 widths cho 3 vai trò:
   default 720px = reading focus (pain, faq, transition, finalCta, offer)
   --med 880px    = hero, founder, comparison, proof — cần thoáng hơn
   --wide 1040px  = solution features (grid 1fr 1.2fr cần room) */
.sf-pdp { color: var(--ink-800); background: var(--cream, #FEFDF8); }
.sf-pdp__container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--s-6);
}
.sf-pdp__container--med  { max-width: 880px; }
.sf-pdp__container--wide { max-width: 1040px; }

@media (max-width: 640px) {
  .sf-pdp__container { padding: 0 var(--s-5); }
}

/* Sections */
.sf-pdp section,
.sf-pdp .sf-pdp__transition { padding: var(--s-20) 0; }
.sf-pdp__section-alt {
  background: var(--sl-green-50);
  border-top: 1px solid var(--sl-green-100);
  border-bottom: 1px solid var(--sl-green-100);
}
.sf-pdp__hero { padding-top: var(--s-16); }
@media (max-width: 640px) {
  .sf-pdp section,
  .sf-pdp .sf-pdp__transition { padding: var(--s-12) 0; }
}

/* Section tag — mono uppercase eyebrow */
.sf-pdp__section-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--sl-green-700);
  text-transform: uppercase;
  letter-spacing: .15em;
  margin-bottom: var(--s-4);
}

/* Headlines */
.sf-pdp__h1 {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(34px, 5.5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ink-900);
  margin-bottom: var(--s-6);
}
.sf-pdp__h1 em,
.sf-pdp__h2 em {
  font-family: var(--font-sans);
  font-style: italic;
  font-weight: 600;
  color: var(--sl-green-700);
}

.sf-pdp__h2 {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(26px, 4.5vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.018em;
  color: var(--ink-900);
  margin-bottom: var(--s-6);
}

.sf-pdp__lede {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
  color: var(--ink-700);
  margin-bottom: var(--s-8);
  max-width: 600px;
}

/* Inline highlight — for <strong> inside body text */
.sf-pdp strong.sf-pdp__highlight,
.sf-pdp__pain-body strong,
.sf-pdp__feature-body strong,
.sf-pdp__founder-text strong {
  background: var(--sl-green-100);
  padding: 1px 6px;
  font-weight: 700;
  border-radius: 3px;
  color: var(--sl-green-900);
}

/* ───── HERO ───── */
.sf-pdp__hero { position: relative; }
.sf-pdp__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--sl-green-700);
  text-transform: uppercase;
  letter-spacing: .14em;
  margin-bottom: var(--s-6);
}
.sf-pdp__kicker::before { content: ''; }

.sf-pdp__cta-row {
  display: flex;
  gap: var(--s-4);
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: var(--s-6);
}

.sf-pdp__btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 17px;
  background: var(--ink-900);
  color: #fff;
  padding: 18px 28px;
  border-radius: 999px;
  text-decoration: none;
  border: 2px solid var(--ink-900);
  transition: all var(--dur-fast) var(--ease-out);
}
.sf-pdp__btn-primary:hover {
  background: var(--sl-green-700);
  border-color: var(--sl-green-700);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(22,163,74,.25);
  color: #fff;
}
.sf-pdp__cta-price {
  font-weight: 800;
  font-size: 18px;
}
.sf-pdp__cta-old {
  text-decoration: line-through;
  opacity: 0.5;
  font-size: 14px;
  font-weight: 500;
  margin-left: var(--s-2);
}

/* Hero social row — avatar stack + rating */
.sf-pdp__hero-social {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  margin: var(--s-4) 0 var(--s-5);
  font-size: 12px;
  color: var(--ink-600);
}
.sf-pdp__hero-avatars {
  display: flex;
}
.sf-pdp__hero-avatars span {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--cream, #FEFDF8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 600;
  margin-left: -8px;
}
.sf-pdp__hero-avatars span:first-child { margin-left: 0; }
.sf-pdp__hero-social-text strong { color: var(--ink-900); }

/* Hero trust pills */
.sf-pdp__trust {
  list-style: none;
  display: flex;
  gap: var(--s-2);
  flex-wrap: wrap;
  padding: 0;
  margin: 0 0 var(--s-10);
}
.sf-pdp__trust li {
  font-size: 11px;
  font-weight: 500;
  color: var(--sl-green-800, #0F6E56);
  background: rgba(29, 158, 117, 0.08);
  border-radius: 999px;
  padding: 4px 10px;
}
.sf-pdp__trust li::before {
  content: '✓ ';
  color: var(--sl-green-600);
  font-weight: 700;
}

/* Hero visual — laptop/dashboard mock OR real image */
.sf-pdp__visual {
  margin-top: var(--s-10);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  background: #fff;
  padding: var(--s-6);
  box-shadow: var(--shadow-lg);
  position: relative;
}
.sf-pdp__visual-img {
  width: 100%;
  display: block;
  border-radius: var(--radius-md);
}
.sf-pdp__visual-mock {
  position: relative;
  padding: 28px var(--s-3) var(--s-3);
  background: var(--sl-green-50);
  border-radius: var(--radius-md);
  min-height: 220px;
}

/* ═══════════════════════════════════════════════════════════════
   SLIDER — multi screenshot carousel với auto-play (≥2 ảnh)
   Source: book.templateMeta.screenshotGallery (admin upload max 4)
   Behaviour: 2s sau khi vào viewport → auto-advance 3s/slide
              Hover/click pause, IntersectionObserver visible only,
              Page Visibility API tab background pause.
   ═══════════════════════════════════════════════════════════════ */
.sf-pdp__slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-md);
  outline: none;
}
.sf-pdp__slider:focus-visible {
  outline: 2px solid var(--sl-green-500);
  outline-offset: 2px;
}
.sf-pdp__slider-track {
  display: flex;
  transition: transform 600ms cubic-bezier(.22,.61,.36,1);
  will-change: transform;
  margin: 0; padding: 0;
  list-style: none;
}
.sf-pdp__slide {
  flex: 0 0 100%;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sf-pdp__slide img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

/* Dots indicator — bottom-center, gap 8px */
.sf-pdp__slider-dots {
  position: absolute;
  bottom: var(--s-3);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  padding: 8px 14px;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  z-index: 2;
}
.sf-pdp__slider-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: var(--ink-300);
  cursor: pointer;
  transition: all 200ms var(--ease-out);
  position: relative;
}
.sf-pdp__slider-dot:hover {
  background: var(--ink-500);
  transform: scale(1.3);
}
.sf-pdp__slider-dot.is-active {
  background: var(--sl-green-600);
  transform: scale(1.4);
  box-shadow: 0 0 0 2px rgba(22,163,74,.2);
}
/* Tooltip on hover (option C) — caption ẩn, hover dot mới hiện */
.sf-pdp__slider-dot[data-caption]:hover::after {
  content: attr(data-caption);
  position: absolute;
  bottom: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink-900);
  color: #fff;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  font-style: italic;
  line-height: 1.4;
  white-space: normal;
  width: max-content;
  max-width: 240px;
  text-align: center;
  box-shadow: var(--shadow-md);
  pointer-events: none;
  z-index: 3;
  animation: sf-pdp-tooltip-in 180ms var(--ease-out);
}
.sf-pdp__slider-dot[data-caption]:hover::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--ink-900);
  pointer-events: none;
  z-index: 3;
}
@keyframes sf-pdp-tooltip-in {
  from { opacity: 0; transform: translateX(-50%) translateY(4px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* Arrows — desktop hover only */
.sf-pdp__slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--ink-200);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  cursor: pointer;
  font-size: 22px;
  font-weight: 600;
  line-height: 1;
  color: var(--ink-800);
  opacity: 0;
  transition: opacity 180ms var(--ease-out), background 180ms, transform 180ms;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  box-shadow: var(--shadow-md);
}
.sf-pdp__slider-arrow:hover {
  background: #fff;
  color: var(--sl-green-700);
  transform: translateY(-50%) scale(1.08);
}
.sf-pdp__slider-arrow--prev { left: var(--s-3); }
.sf-pdp__slider-arrow--next { right: var(--s-3); }
.sf-pdp__slider:hover .sf-pdp__slider-arrow,
.sf-pdp__slider:focus-visible .sf-pdp__slider-arrow {
  opacity: 1;
}

/* Mobile: ẩn arrows, dùng swipe */
@media (max-width: 768px) {
  .sf-pdp__slider-arrow { display: none; }
  .sf-pdp__slider-dots { bottom: var(--s-2); padding: 6px 12px; gap: 8px; }
}

/* Reduce motion: fade thay vì slide */
@media (prefers-reduced-motion: reduce) {
  .sf-pdp__slider-track {
    transition: none;
  }
  .sf-pdp__slide {
    transition: opacity 180ms ease;
  }
}

/* Khi visual chứa slider → bỏ background card xanh nhạt mặc định
   để slider chiếm trọn ảnh, drop-shadow vẫn ăn vào ảnh */
.sf-pdp__visual:has(.sf-pdp__slider) {
  background: transparent;
  border: none;
  padding: 0;
  box-shadow: none;
}
.sf-pdp__visual .sf-pdp__slide img {
  filter: drop-shadow(0 24px 48px rgba(15,23,42,.15)) drop-shadow(0 8px 16px rgba(16,185,129,.10));
}
.sf-pdp__visual-bar {
  position: absolute;
  top: 10px;
  left: 12px;
  display: flex;
  gap: 6px;
}
.sf-pdp__visual-bar span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--ink-300);
}
.sf-pdp__visual-bar span:nth-child(1) { background: #FF5F57; }
.sf-pdp__visual-bar span:nth-child(2) { background: #FFBD2E; }
.sf-pdp__visual-bar span:nth-child(3) { background: #28C940; }

/* ───── PAIN ───── */
.sf-pdp__pain-body { margin-bottom: var(--s-10); }
.sf-pdp__pain-p {
  font-family: var(--font-sans);
  font-style: italic;
  font-weight: 400;
  font-size: 19px;
  line-height: 1.65;
  color: var(--ink-800);
  margin-bottom: var(--s-5);
}
.sf-pdp__pain-p.is-lead {
  font-size: 22px;
  font-weight: 500;
}

/* Scenario cards */
.sf-pdp__scenarios {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5);
  margin-bottom: var(--s-8);
}
@media (max-width: 768px) {
  .sf-pdp__scenarios { grid-template-columns: 1fr; }
}
.sf-pdp__scenario {
  padding: var(--s-6);
  background: #fff;
  border: 1px solid var(--ink-200);
  border-left: 4px solid var(--sl-green-500);
  border-radius: var(--radius-sm);
}
.sf-pdp__scenario-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--sl-green-700);
  letter-spacing: .1em;
  margin-bottom: var(--s-2);
}
.sf-pdp__scenario-title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.3;
  color: var(--ink-900);
  margin-bottom: var(--s-3);
}
.sf-pdp__scenario-body {
  font-size: 15px;
  color: var(--ink-600);
  line-height: 1.6;
}

/* Callout */
.sf-pdp__callout {
  padding: var(--s-6) var(--s-8);
  background: #fff;
  border: 2px solid var(--ink-900);
  border-radius: var(--radius-sm);
  margin: var(--s-8) 0 0;
  font-family: var(--font-sans);
  font-style: italic;
  font-weight: 500;
  font-size: 21px;
  line-height: 1.5;
  color: var(--ink-900);
  position: relative;
}
.sf-pdp__callout::before {
  content: '"';
  position: absolute;
  top: -22px;
  left: 16px;
  font-size: 80px;
  color: var(--sl-green-600);
  line-height: 1;
  font-weight: 800;
}

/* ───── TRANSITION ───── */
.sf-pdp__transition { text-align: center; }
.sf-pdp__transition-text {
  font-family: var(--font-sans);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.4;
  color: var(--ink-800);
  max-width: 540px;
  margin: 0 auto;
}
.sf-pdp__transition-text::before,
.sf-pdp__transition-text::after {
  content: '—';
  display: inline-block;
  margin: 0 var(--s-3);
  color: var(--sl-green-600);
  font-style: normal;
}

/* ───── SOLUTION / FEATURES ───── */
.sf-pdp__features { margin-top: var(--s-10); }
.sf-pdp__feature-wrap {
  padding: 72px 0;
  border-bottom: 1px solid var(--sl-green-100);
}
.sf-pdp__feature-wrap:last-child {
  border-bottom: none;
  padding-bottom: var(--s-8);
}
.sf-pdp__feature {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 72px;
  align-items: center;
}
.sf-pdp__feature.is-reverse { grid-template-columns: 1.4fr 1fr; }
.sf-pdp__feature.is-reverse .sf-pdp__feature-visual { order: 2; }
.sf-pdp__feature.is-reverse .sf-pdp__feature-text { order: 1; }
@media (max-width: 900px) {
  .sf-pdp__feature { gap: 48px; }
  .sf-pdp__feature-wrap { padding: 56px 0; }
}
@media (max-width: 768px) {
  .sf-pdp__feature-wrap { padding: var(--s-10) 0; }
  .sf-pdp__feature,
  .sf-pdp__feature.is-reverse {
    grid-template-columns: 1fr;
    gap: var(--s-6);
  }
  .sf-pdp__feature.is-reverse .sf-pdp__feature-visual { order: -1; }
  .sf-pdp__feature.is-reverse .sf-pdp__feature-text { order: 0; }
}

.sf-pdp__feature-num {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--sl-green-700);
  letter-spacing: .08em;
  margin-bottom: var(--s-5);
  background: rgba(29, 158, 117, 0.1);
  padding: 4px 14px;
  border-radius: 100px;
}
.sf-pdp__feature-num::before { display: none; }
.sf-pdp__feature-title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(24px, 2.8vw, 34px);
  line-height: 1.2;
  letter-spacing: -.02em;
  margin-bottom: var(--s-4);
  color: var(--ink-900);
}
.sf-pdp__feature-body {
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-600);
  max-width: 480px;
}
.sf-pdp__feature-body p { margin-bottom: var(--s-4); }
.sf-pdp__feature-body p:last-child { margin-bottom: 0; }

.sf-pdp__feature-visual {
  background: var(--sl-green-50);
  border-radius: 24px;
  padding: var(--s-8);
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow:
    0 24px 64px rgba(0,0,0,0.10),
    0 4px 16px rgba(0,0,0,0.05);
}

/* Mock — CSV rows */
.sf-pdp__mock-csv {
  display: flex; flex-direction: column; gap: var(--s-3);
  font-family: var(--font-mono);
  font-size: 12px;
}
.sf-pdp__mock-header {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-weight: 700;
  color: var(--ink-500);
  margin-bottom: var(--s-2);
}
.sf-pdp__mock-csv-row {
  display: flex; justify-content: space-between;
  padding: 10px 14px;
  background: #fff;
  border-radius: 6px;
  border-left: 3px solid var(--sl-green-500);
}
.sf-pdp__mock-csv-row.is-error {
  border-left-color: var(--sem-err);
  background: #FEF2F2;
}
.sf-pdp__mock-csv-row span:first-child { color: var(--ink-700); }
.sf-pdp__mock-csv-row span:last-child { color: var(--sl-green-700); font-weight: 700; }
.sf-pdp__mock-csv-row.is-error span:last-child { color: var(--sem-err); }

/* Mock — phone */
.sf-pdp__mock-phone {
  background: var(--ink-900);
  border-radius: 24px;
  padding: 40px 16px 16px;
  max-width: 220px;
  margin: 0 auto;
  position: relative;
}
.sf-pdp__mock-phone::before {
  content: '';
  position: absolute;
  top: 12px; left: 50%; transform: translateX(-50%);
  width: 60px; height: 5px;
  background: #444;
  border-radius: 999px;
}
.sf-pdp__mock-phone-screen {
  background: #fff;
  border-radius: 12px;
  padding: 14px;
  font-size: 11px;
}
.sf-pdp__mock-phone-title {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-weight: 700;
  color: var(--ink-500);
  margin-bottom: var(--s-2);
}
.sf-pdp__mock-phone-input {
  background: var(--sl-green-50);
  padding: 9px 10px;
  border-radius: 6px;
  margin-bottom: var(--s-2);
  color: var(--ink-700);
  font-size: 12px;
}
.sf-pdp__mock-phone-input.is-alert {
  background: #FEE2E2;
  color: var(--sem-err);
  font-weight: 700;
  border: 1px solid var(--sem-err);
}
.sf-pdp__mock-phone-btn {
  background: var(--sl-green-600);
  color: #fff;
  padding: 10px;
  border-radius: 6px;
  text-align: center;
  font-weight: 700;
  font-size: 12px;
}

/* Mock — notification */
.sf-pdp__mock-notif {
  background: #fff;
  border-left: 4px solid var(--sl-green-600);
  padding: var(--s-4) var(--s-5);
  border-radius: 6px;
  margin-bottom: var(--s-3);
  box-shadow: var(--shadow-xs);
}
.sf-pdp__mock-notif.is-warn { border-left-color: var(--sem-warn); }
.sf-pdp__mock-notif.is-success { border-left-color: var(--sl-green-500); }
.sf-pdp__mock-notif-head {
  font-size: 11px;
  color: var(--ink-500);
  margin-bottom: var(--s-2);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-sans);
}
.sf-pdp__mock-notif-title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink-900);
  margin-bottom: var(--s-1);
}
.sf-pdp__mock-notif-body {
  font-size: 12px;
  color: var(--ink-600);
  line-height: 1.5;
}

/* ───── FOUNDER ───── */
.sf-pdp__founder { color: #fff; background: var(--ink-900); position: relative; overflow: hidden; }
.sf-pdp__founder::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(22,163,74,.18) 0%, transparent 70%);
  pointer-events: none;
}
.sf-pdp__founder .sf-pdp__section-tag { color: var(--sl-green-400); }
.sf-pdp__founder .sf-pdp__h2 { color: #fff; }
.sf-pdp__founder .sf-pdp__h2 em { color: var(--sl-green-300); }

.sf-pdp__founder-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--s-12);
  align-items: start;
  margin-top: var(--s-8);
  position: relative;
  z-index: 1;
}
@media (max-width: 640px) {
  .sf-pdp__founder-grid { grid-template-columns: 1fr; gap: var(--s-6); }
}
.sf-pdp__founder-photo {
  width: 200px; height: 200px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sl-green-500), var(--sl-green-700));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 60px;
  color: #fff;
  position: relative;
  box-shadow: 0 16px 40px rgba(22,163,74,.3);
}
.sf-pdp__founder-photo::after {
  content: '';
  position: absolute;
  inset: -8px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
}
@media (max-width: 640px) {
  .sf-pdp__founder-photo { width: 120px; height: 120px; font-size: 36px; }
}

.sf-pdp__founder-text {
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255,255,255,.85);
}
.sf-pdp__founder-text p { margin-bottom: var(--s-5); }
.sf-pdp__founder-text p:first-child {
  font-size: 21px;
  color: #fff;
  font-weight: 500;
}
.sf-pdp__founder-text strong {
  color: var(--sl-green-300);
  font-weight: 600;
  background: none;
  padding: 0;
}
.sf-pdp__founder-sign {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  color: var(--sl-green-300);
  margin-top: var(--s-6);
}

/* ═══════════════════════════════════════════════════════════════
   PROOF / SCARCITY — redesigned 2026-04-26
   Marketing principle: 3 stat blocks > 1 progress bar.
   Numbers > words. Live indicator + pulse > static text.
   ═══════════════════════════════════════════════════════════════ */

/* Proof section: amber warm bg + amber section tag/em (wireframe) */
.sf-pdp__proof {
  background: #FFF8E7;
  border-top: 1px solid rgba(186,117,23,.15);
  border-bottom: 1px solid rgba(186,117,23,.15);
}
.sf-pdp__proof .sf-pdp__section-tag { color: #BA7517; }
.sf-pdp__proof .sf-pdp__h2 em { color: #BA7517; }

.sf-pdp__slot-card {
  background: linear-gradient(165deg, #fff 0%, var(--sl-green-50) 100%);
  border: 1px solid var(--sl-green-200);
  border-radius: var(--radius-lg);
  padding: var(--s-10) var(--s-8);
  text-align: center;
  margin: var(--s-8) auto 0;
  max-width: 640px;
  box-shadow: var(--shadow-lg), 0 4px 16px rgba(22,163,74,.10);
  position: relative;
  overflow: hidden;
}
.sf-pdp__slot-card::before {
  content: '';
  position: absolute;
  top: 0; left: -50%;
  width: 200%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--sl-green-500), transparent);
  opacity: .6;
}

/* Live indicator */
.sf-pdp__slot-live {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 5px 12px;
  background: var(--sl-green-100);
  border: 1px solid var(--sl-green-300);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--sl-green-800);
  letter-spacing: .05em;
  margin-bottom: var(--s-6);
}
.sf-pdp__slot-live-dot {
  width: 7px; height: 7px;
  background: var(--sl-green-500);
  border-radius: 50%;
  animation: sf-pdp-pulse-dot 1.6s var(--ease-out) infinite;
}
@keyframes sf-pdp-pulse-dot {
  0%,100% { box-shadow: 0 0 0 0 rgba(34,197,94,.7); }
  50%     { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}

/* Stats — 3 columns */
.sf-pdp__slot-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
  margin-bottom: var(--s-7);
  align-items: end;
}
.sf-pdp__slot-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-1);
  padding: var(--s-4) var(--s-2);
  border-radius: var(--radius-md);
  position: relative;
}
.sf-pdp__slot-stat-num {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(34px, 5vw, 44px);
  line-height: 1;
  color: var(--ink-700);
  letter-spacing: -.02em;
}
.sf-pdp__slot-stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink-500);
}
/* Highlighted center stat */
.sf-pdp__slot-stat.is-highlight {
  background: var(--ink-900);
  color: #fff;
  padding: var(--s-5) var(--s-3);
  transform: translateY(-6px);
  box-shadow: 0 12px 28px rgba(15,23,42,.18);
}
.sf-pdp__slot-stat.is-highlight .sf-pdp__slot-stat-num {
  color: var(--sl-green-300);
  font-size: clamp(40px, 6vw, 56px);
}
.sf-pdp__slot-stat.is-highlight .sf-pdp__slot-stat-label {
  color: rgba(255,255,255,.65);
}
/* Pulse animation on remaining number */
.sf-pdp__slot-stat-num.is-pulse {
  display: inline-block;
  animation: sf-pdp-num-pulse 2.4s var(--ease-out) infinite;
}
@keyframes sf-pdp-num-pulse {
  0%,90%,100% { transform: scale(1); }
  45%         { transform: scale(1.06); }
}

/* Progress bar */
.sf-pdp__slot-progress { margin-bottom: var(--s-6); }
.sf-pdp__slot-bar {
  height: 14px;
  background: var(--ink-100);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: var(--s-2);
  position: relative;
  border: 1px solid var(--ink-200);
}
.sf-pdp__slot-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--sl-green-500), var(--sl-green-700));
  border-radius: 999px;
  transition: width 1.2s var(--ease-out);
  position: relative;
}
.sf-pdp__slot-fill::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 24px; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.4), transparent);
  animation: sf-pdp-shimmer 1.8s var(--ease-out) infinite;
}
@keyframes sf-pdp-shimmer {
  0% { transform: translateX(-30px); }
  100% { transform: translateX(30px); }
}
.sf-pdp__slot-marker {
  position: absolute;
  top: -4px; bottom: -4px;
  width: 3px;
  background: var(--ink-900);
  border-radius: 999px;
  transition: left 1.2s var(--ease-out);
}
.sf-pdp__slot-progress-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-500);
  font-weight: 600;
}

/* Defensive: [hidden] phải luôn ẩn (display:flex/grid override default) */
.sf-pdp__slot-avatars[hidden],
.sf-pdp__slot-countdown[hidden],
.sf-pdp__slot-reason[hidden] {
  display: none !important;
}

/* Avatar stack */
.sf-pdp__slot-avatars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  margin-bottom: var(--s-5);
  flex-wrap: wrap;
}
.sf-pdp__avatar-stack {
  display: flex;
  align-items: center;
}
.sf-pdp__avatar-stack > span {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 2px solid #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 12px;
  color: #fff;
  margin-left: -8px;
  box-shadow: 0 2px 6px rgba(15,23,42,.12);
}
.sf-pdp__avatar-stack > span:first-child { margin-left: 0; }
.sf-pdp__slot-avatars-note {
  font-size: 13px;
  color: var(--ink-600);
  font-weight: 500;
}
.sf-pdp__slot-avatars-note strong {
  color: var(--sl-green-700);
  font-weight: 700;
}

/* Countdown */
.sf-pdp__slot-countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-5);
  background: #FEF3C7;
  border: 1px solid #FDE68A;
  border-radius: var(--radius-sm);
  margin-bottom: var(--s-5);
  font-size: 14px;
  color: #92400E;
  font-weight: 600;
}
.sf-pdp__slot-countdown-icon { font-size: 16px; }
.sf-pdp__slot-countdown-text strong { color: #78350F; font-weight: 800; }

/* Slot description */
.sf-pdp__slot-desc {
  font-size: 16px;
  color: var(--ink-700);
  line-height: 1.6;
  margin-bottom: var(--s-6);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.sf-pdp__slot-desc strong { font-weight: 700; color: var(--ink-900); }

/* Slot value-stack — perceived value bridge between scarcity counter and CTA */
.sf-pdp__slot-value {
  margin: var(--s-6) auto;
  max-width: 480px;
  padding: var(--s-5) var(--s-6);
  background: linear-gradient(180deg, var(--sl-green-50) 0%, #fff 100%);
  border: 1.5px solid var(--sl-green-200);
  border-radius: var(--radius-md);
  text-align: left;
}
.sf-pdp__slot-value-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 6px 0;
  font-size: 14px;
  color: var(--ink-700);
  border-bottom: 1px dashed var(--sl-green-100);
}
.sf-pdp__slot-value-row:last-child { border-bottom: none; }
.sf-pdp__slot-value-label { font-weight: 500; }
.sf-pdp__slot-value-num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ink-900);
  font-size: 13px;
}
.sf-pdp__slot-value-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--s-3);
  padding-top: var(--s-3);
  border-top: 2px solid var(--sl-green-300);
  font-size: 14px;
  color: var(--ink-700);
}
.sf-pdp__slot-value-total s { color: var(--ink-400); font-weight: 500; }
.sf-pdp__slot-value-final { color: var(--sl-green-700); font-weight: 700; }
.sf-pdp__slot-value-final strong {
  font-size: 22px;
  color: var(--sl-green-700);
  font-weight: 800;
  margin-left: 4px;
}

/* Slot CTA — full-width inside card */
.sf-pdp__slot-cta {
  margin-top: 0;
  width: 100%;
}

/* Reason expander (collapsible "tại sao") */
.sf-pdp__slot-reason {
  margin-top: var(--s-5);
  text-align: left;
  border-top: 1px dashed var(--sl-green-200);
  padding-top: var(--s-5);
}
.sf-pdp__slot-reason-summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  color: var(--sl-green-700);
  padding: 4px 0;
  transition: color var(--dur-fast) var(--ease-out);
}
.sf-pdp__slot-reason-summary::-webkit-details-marker { display: none; }
.sf-pdp__slot-reason-summary:hover { color: var(--sl-green-800); }
.sf-pdp__slot-reason-icon {
  font-size: 18px;
  font-weight: 400;
  transition: transform var(--dur-base) var(--ease-out);
  color: var(--sl-green-600);
}
.sf-pdp__slot-reason[open] .sf-pdp__slot-reason-icon { transform: rotate(45deg); }
.sf-pdp__slot-reason-body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-600);
  padding: var(--s-3) 0 0;
}
.sf-pdp__slot-reason-body strong { color: var(--ink-900); font-weight: 700; }

.sf-pdp__proof-note {
  font-size: 13px;
  color: var(--ink-500);
  font-style: italic;
  text-align: center;
  margin-top: var(--s-5);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Mobile adjustments cho proof block */
@media (max-width: 640px) {
  .sf-pdp__slot-card {
    padding: var(--s-7) var(--s-5);
  }
  .sf-pdp__slot-stats {
    gap: var(--s-2);
  }
  .sf-pdp__slot-stat {
    padding: var(--s-3) var(--s-1);
  }
  .sf-pdp__slot-stat.is-highlight {
    padding: var(--s-4) var(--s-2);
    transform: translateY(-4px);
  }
  .sf-pdp__slot-stat-label { font-size: 10px; }
}

/* ───── COMPARISON ───── */
.sf-pdp__compare-lead {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-600);
  margin-bottom: var(--s-4);
}
.sf-pdp__compare-table-wrap {
  overflow-x: auto;
  margin-top: var(--s-6);
}
.sf-pdp__compare-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--ink-200);
  font-size: 14px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.sf-pdp__compare-table th {
  text-align: left;
  padding: var(--s-4);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .04em;
  background: var(--sl-green-50);
  color: var(--ink-800);
  border-bottom: 2px solid var(--ink-200);
}
.sf-pdp__compare-table th.is-us {
  background: var(--ink-900);
  color: #fff;
}
.sf-pdp__compare-table td {
  padding: var(--s-4);
  border-bottom: 1px solid var(--ink-200);
  vertical-align: top;
  color: var(--ink-700);
}
.sf-pdp__compare-table tr:last-child td { border-bottom: none; }
.sf-pdp__compare-table td.is-us {
  background: var(--sl-green-50);
  font-weight: 700;
  color: var(--sl-green-700);
}
.sf-pdp__compare-table td.sf-pdp__compare-feature {
  font-weight: 600;
  color: var(--ink-900);
}
.sf-pdp__compare-table .x { color: var(--sem-err); font-weight: 700; margin-right: 4px; }
.sf-pdp__compare-table .check { color: var(--sl-green-600); font-weight: 700; margin-right: 4px; }
.sf-pdp__compare-quote {
  font-family: var(--font-sans);
  font-style: italic;
  font-weight: 500;
  font-size: 19px;
  text-align: center;
  margin-top: var(--s-8);
  color: var(--ink-700);
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}
.sf-pdp__compare-quote em {
  font-style: italic;
  color: var(--sl-green-700);
  font-weight: 600;
}

/* ───── OFFER ───── */
.sf-pdp__offer {
  text-align: center;
}
.sf-pdp__offer-card {
  max-width: 540px;
  margin: var(--s-8) auto 0;
  background: linear-gradient(180deg, var(--sl-green-50) 0%, #fff 50%);
  border: 3px solid var(--ink-900);
  border-radius: var(--radius-lg);
  padding: var(--s-12) var(--s-8);
  position: relative;
  box-shadow: 0 24px 48px rgba(22,163,74,.18), 8px 8px 0 var(--sl-green-600);
  text-align: left;
}
.sf-pdp__offer-ribbon {
  position: absolute;
  top: -16px; left: 50%;
  transform: translateX(-50%);
  background: var(--ink-900);
  color: #fff;
  padding: 6px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  border-radius: 999px;
  white-space: nowrap;
}
.sf-pdp__price-row {
  display: flex; align-items: baseline; justify-content: center;
  gap: var(--s-3);
  margin-bottom: var(--s-2);
}
.sf-pdp__price-old {
  font-family: var(--font-sans);
  font-size: 22px;
  color: var(--ink-400);
  text-decoration: line-through;
  font-weight: 600;
}
.sf-pdp__price-new {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(48px, 8vw, 64px);
  color: var(--ink-900);
  line-height: 1;
  letter-spacing: -.03em;
}
.sf-pdp__price-tagline {
  font-family: var(--font-sans);
  font-style: italic;
  font-size: 17px;
  color: var(--sl-green-700);
  font-weight: 500;
  text-align: center;
  margin-bottom: var(--s-8);
}

.sf-pdp__deliverables { margin: var(--s-6) 0 var(--s-8); }
.sf-pdp__deliverable {
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
  padding: var(--s-3) 0;
  border-bottom: 1px dashed var(--ink-200);
  font-size: 15px;
  color: var(--ink-700);
  line-height: 1.55;
}
.sf-pdp__deliverable:last-child { border-bottom: none; }
.sf-pdp__deliverable-check {
  color: var(--sl-green-600);
  font-weight: 800;
  font-size: 18px;
  flex-shrink: 0;
}
.sf-pdp__deliverable-text { flex: 1; min-width: 0; }
.sf-pdp__deliverable strong {
  color: var(--ink-900);
  font-weight: 700;
}
.sf-pdp__deliverable-value {
  flex-shrink: 0;
  margin-left: var(--s-3);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  color: var(--ink-400);
  text-decoration: line-through;
  text-decoration-color: var(--ink-300);
  white-space: nowrap;
  align-self: center;
}

/* Saving badge inside price row */
.sf-pdp__price-saving-badge {
  display: inline-block;
  margin-left: var(--s-2);
  padding: 4px 10px;
  background: var(--sl-green-600);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-radius: 999px;
  white-space: nowrap;
  align-self: center;
}

/* Total value anchor — Tổng giá trị → Hôm nay bạn trả */
.sf-pdp__total-anchor {
  margin: 0 0 var(--s-6);
  padding: var(--s-5) var(--s-6);
  background: var(--ink-900);
  border-radius: var(--radius-md);
  color: #fff;
}
.sf-pdp__total-anchor-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 14px;
  color: var(--ink-300);
  padding: 4px 0;
}
.sf-pdp__total-anchor-row--final {
  margin-top: 6px;
  padding-top: 10px;
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: 16px;
  color: #fff;
  font-weight: 700;
}
.sf-pdp__total-anchor-old {
  font-family: var(--font-mono);
  font-weight: 600;
  text-decoration: line-through;
  color: var(--ink-400);
}
.sf-pdp__total-anchor-final {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 24px;
  color: #FCD34D;
  letter-spacing: -.02em;
}

.sf-pdp__btn-buy {
  display: block;
  width: 100%;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 18px;
  background: var(--sl-green-600);
  color: #fff;
  padding: 22px;
  border-radius: 999px;
  text-decoration: none;
  text-align: center;
  border: 0;
  transition: all var(--dur-fast) var(--ease-out);
  letter-spacing: .01em;
}
.sf-pdp__btn-buy:hover {
  background: var(--sl-green-700);
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(22,163,74,.35);
  color: #fff;
}
.sf-pdp__btn-buy--gold {
  background: #FCD34D;
  color: var(--ink-900);
}
.sf-pdp__btn-buy--gold:hover { background: #fff; color: var(--ink-900); }

.sf-pdp__guarantee {
  margin-top: var(--s-6);
  padding: var(--s-4);
  background: var(--sl-green-50);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ink-700);
  font-style: italic;
  line-height: 1.5;
  text-align: center;
}
.sf-pdp__guarantee strong {
  font-style: normal;
  color: var(--ink-900);
  font-weight: 700;
}
.sf-pdp__offer-trust {
  margin-top: var(--s-4);
  font-size: 11px;
  color: var(--ink-500);
  line-height: 1.8;
  text-align: center;
}

/* ───── FAQ ───── */
.sf-pdp__faq-list { margin-top: var(--s-8); }
.sf-pdp__faq-item {
  border-bottom: 1px solid var(--ink-200);
}
.sf-pdp__faq-item:first-child { border-top: 1px solid var(--ink-200); }
.sf-pdp__faq-q {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 17px;
  padding: var(--s-5) 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-4);
  list-style: none;
  color: var(--ink-900);
  transition: color var(--dur-fast) var(--ease-out);
}
.sf-pdp__faq-q::-webkit-details-marker { display: none; }
.sf-pdp__faq-icon {
  font-size: 24px;
  font-weight: 400;
  color: var(--sl-green-600);
  transition: transform var(--dur-base) var(--ease-out);
  flex-shrink: 0;
}
.sf-pdp__faq-item[open] .sf-pdp__faq-icon { transform: rotate(45deg); }
.sf-pdp__faq-item[open] .sf-pdp__faq-q { color: var(--sl-green-700); }
.sf-pdp__faq-a {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-600);
  padding: 0 0 var(--s-6);
  max-width: 600px;
}
.sf-pdp__faq-a a { color: var(--sl-green-700); }

/* FAQ contact card — "Nhắn Zalo" block at bottom of FAQ */
.sf-pdp__faq-contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  background: rgba(29, 158, 117, 0.06);
  border: 0.5px solid rgba(29, 158, 117, 0.2);
  border-radius: 10px;
  padding: 14px 16px;
  margin-top: var(--s-7);
}
.sf-pdp__faq-contact-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 2px;
}
.sf-pdp__faq-contact-sub {
  font-size: 11px;
  color: var(--ink-500);
}
.sf-pdp__faq-contact-btn {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 600;
  padding: 8px 14px;
  background: var(--sl-green-600);
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur-fast) var(--ease-out);
}
.sf-pdp__faq-contact-btn:hover { background: var(--sl-green-700); }
@media (max-width: 480px) {
  .sf-pdp__faq-contact { flex-direction: column; align-items: flex-start; gap: var(--s-3); }
}

/* ───── FINAL CTA ───── */
.sf-pdp__final {
  text-align: center;
  background: var(--ink-900);
  color: #fff;
}
.sf-pdp__final .sf-pdp__h2 { color: #fff; margin-bottom: var(--s-4); }
.sf-pdp__final .sf-pdp__h2 em { color: #FCD34D; }
.sf-pdp__final-sub {
  font-family: var(--font-sans);
  font-style: italic;
  font-size: 20px;
  color: rgba(255,255,255,.7);
  margin-bottom: var(--s-8);
}
.sf-pdp__final .sf-pdp__btn-buy {
  max-width: 480px;
  margin: 0 auto;
}
.sf-pdp__final-fineprint {
  margin-top: var(--s-6);
  font-size: 13px;
  color: rgba(255,255,255,.5);
}

/* ───── STICKY MOBILE BAR ───── */
.sf-pdp__sticky {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--ink-900);
  color: #fff;
  padding: var(--s-3) var(--s-4);
  z-index: 99;
  box-shadow: 0 -4px 20px rgba(0,0,0,.2);
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
}
.sf-pdp__sticky[hidden] { display: none !important; }
.sf-pdp__sticky-text {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
}
.sf-pdp__sticky-text strong { display: block; }
.sf-pdp__sticky-text small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  opacity: 0.7;
  font-style: italic;
}
.sf-pdp__sticky-btn {
  background: #FCD34D;
  color: var(--ink-900);
  padding: var(--s-3) var(--s-5);
  border-radius: 999px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 14px;
  text-decoration: none;
  flex-shrink: 0;
}
@media (max-width: 768px) {
  .sf-pdp__sticky { display: flex; }
  .sf-pdp__sticky[hidden] { display: none !important; }
  body:has(.sf-pdp__sticky:not([hidden])) { padding-bottom: 80px; }
}

/* ═══════════════════════════════════════════════════════════════
   GLOBAL PDP RESPONSIVE POLISH (≤640px / ≤480px)
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 880px) {
  .sf-pdp__h1 { font-size: clamp(28px, 6.5vw, 42px); }
  .sf-pdp__h2 { font-size: clamp(22px, 5vw, 32px); }
  .sf-pdp__visual { padding: var(--s-4); }
  .sf-pdp__feature-title { font-size: 22px; }
}

@media (max-width: 640px) {
  /* Hero — tighter */
  .sf-pdp__hero { padding-top: var(--s-10); }
  .sf-pdp__cta-row .sf-pdp__btn-primary {
    width: 100%; justify-content: center;
    padding: 16px 22px; font-size: 16px;
  }
  .sf-pdp__cta-old { font-size: 13px; }
  .sf-pdp__trust { gap: var(--s-3); font-size: 12px; }

  /* Pain — paragraphs smaller */
  .sf-pdp__pain-p { font-size: 17px; }
  .sf-pdp__pain-p.is-lead { font-size: 19px; }
  .sf-pdp__scenario { padding: var(--s-5); }
  .sf-pdp__scenario-title { font-size: 16px; }
  .sf-pdp__callout {
    padding: var(--s-5) var(--s-6);
    font-size: 18px;
  }
  .sf-pdp__callout::before { font-size: 56px; top: -16px; }

  /* Solution — feature visual padding */
  .sf-pdp__feature-visual {
    padding: var(--s-5); min-height: 200px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  }
  .sf-pdp__feature-title { font-size: 20px; }
  .sf-pdp__feature-body { font-size: 15px; }
  .sf-pdp__feature-noneed { margin-top: var(--s-5); padding-top: var(--s-4); }

  /* Founder */
  .sf-pdp__founder-text { font-size: 16px; line-height: 1.65; }
  .sf-pdp__founder-text p:first-child { font-size: 18px; }
  .sf-pdp__founder-grid { text-align: center; }
  .sf-pdp__founder-photo { margin: 0 auto; }

  /* Comparison */
  .sf-pdp__compare-table { font-size: 12px; }
  .sf-pdp__compare-table th,
  .sf-pdp__compare-table td { padding: 10px 8px; }
  .sf-pdp__compare-quote { font-size: 17px; }

  /* Offer */
  .sf-pdp__offer-card {
    padding: var(--s-8) var(--s-5);
    box-shadow: 0 16px 32px rgba(22,163,74,.15), 4px 4px 0 var(--sl-green-600);
  }
  .sf-pdp__price-new { font-size: 44px; }
  .sf-pdp__price-row { flex-wrap: wrap; gap: var(--s-2); }
  .sf-pdp__price-saving-badge { margin: 4px 0 0; font-size: 10px; padding: 3px 8px; }
  .sf-pdp__deliverable { font-size: 14px; flex-wrap: wrap; }
  .sf-pdp__deliverable-value { font-size: 12px; margin-left: auto; }
  .sf-pdp__total-anchor { padding: var(--s-4) var(--s-5); }
  .sf-pdp__total-anchor-final { font-size: 20px; }
  .sf-pdp__slot-value { padding: var(--s-4) var(--s-5); }
  .sf-pdp__slot-value-total { font-size: 13px; flex-wrap: wrap; gap: var(--s-2); }
  .sf-pdp__slot-value-final strong { font-size: 18px; }
  .sf-pdp__btn-buy { font-size: 16px; padding: 18px; }

  /* FAQ */
  .sf-pdp__faq-q { font-size: 15px; padding: var(--s-4) 0; }
  .sf-pdp__faq-a { font-size: 14px; }

  /* Final CTA */
  .sf-pdp__final-sub { font-size: 17px; }
}

@media (max-width: 480px) {
  .sf-pdp__h1 { font-size: 26px; line-height: 1.12; }
  .sf-pdp__h2 { font-size: 22px; }
  .sf-pdp__lede { font-size: 16px; }
  .sf-pdp__kicker { font-size: 11px; }
  .sf-pdp__section-tag { font-size: 11px; }

  .sf-pdp__visual { padding: var(--s-3); }
  .sf-pdp__visual-mock { padding: 26px var(--s-2) var(--s-2); }

  /* Sticky bar — compact */
  .sf-pdp__sticky { padding: var(--s-2) var(--s-3); }
  .sf-pdp__sticky-text { font-size: 13px; }
  .sf-pdp__sticky-text small { font-size: 10px; }
  .sf-pdp__sticky-btn { padding: 10px 14px; font-size: 13px; }

  /* Offer card — even more compact */
  .sf-pdp__offer-card {
    padding: var(--s-6) var(--s-4);
    box-shadow: 0 12px 24px rgba(22,163,74,.15), 3px 3px 0 var(--sl-green-600);
  }
  .sf-pdp__offer-ribbon {
    font-size: 10px; padding: 5px 14px;
  }
  .sf-pdp__price-new { font-size: 38px; }
  .sf-pdp__price-old { font-size: 18px; }

  /* Mock visuals — shrink phone */
  .sf-pdp__mock-phone { max-width: 200px; padding: 36px 14px 14px; }
}

/* ═══════════════════════════════════════════════════════════════
   FAQ MINI — always-expanded numbered Q&A cards below hero
   ═══════════════════════════════════════════════════════════════ */
.sf-pdp__faq-mini {
  padding: var(--s-14) 0;
  background: var(--sl-green-50);
  border-top: 1px solid var(--sl-green-100);
  border-bottom: 1px solid var(--sl-green-100);
}
.sf-pdp__faq-mini[hidden] { display: none !important; }
.sf-pdp__faq-mini-list {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  margin-top: var(--s-8);
}
.sf-pdp__faq-mini-card {
  background: #fff;
  border-radius: 12px;
  padding: var(--s-5) var(--s-6);
  display: flex;
  gap: var(--s-5);
  align-items: flex-start;
  border: 1px solid var(--sl-green-100);
  box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.sf-pdp__faq-mini-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--sl-green-600);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.sf-pdp__faq-mini-body { flex: 1; }
.sf-pdp__faq-mini-q {
  font-weight: 700;
  font-size: 15px;
  color: var(--ink-900);
  margin-bottom: var(--s-2);
  line-height: 1.4;
}
.sf-pdp__faq-mini-a {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-600);
}
.sf-pdp__faq-mini-viewall {
  display: block;
  margin-top: var(--s-6);
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--sl-green-700);
  text-decoration: none;
}
.sf-pdp__faq-mini-viewall:hover { text-decoration: underline; }
.sf-pdp__faq-mini-viewall[hidden] { display: none !important; }

/* ═══════════════════════════════════════════════════════════════
   DIFFERENTIATORS — 3-card why-us summary after solution features
   ═══════════════════════════════════════════════════════════════ */
.sf-pdp__differentiators {
  display: block;
  margin-top: var(--s-10);
  background: #fff;
  border: 1.5px solid var(--sl-green-100);
  border-radius: var(--radius-lg);
  padding: var(--s-7);
}
.sf-pdp__differentiators[hidden] { display: none !important; }
.sf-pdp__diff-headline {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: var(--s-6);
  line-height: 1.3;
}
.sf-pdp__diff-headline em { color: var(--sl-green-700); font-style: italic; }
.sf-pdp__diff-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5);
}
@media (max-width: 768px) {
  .sf-pdp__diff-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .sf-pdp__diff-cards { grid-template-columns: 1fr; gap: var(--s-4); }
}
.sf-pdp__diff-card {
  padding: var(--s-3) var(--s-4);
  text-align: left;
}
.sf-pdp__diff-icon {
  font-size: 28px;
  margin-bottom: var(--s-3);
  line-height: 1;
}
.sf-pdp__diff-title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink-900);
  margin-bottom: var(--s-2);
}
.sf-pdp__diff-body {
  font-size: 14px;
  color: var(--ink-600);
  line-height: 1.55;
}

/* ═══════════════════════════════════════════════════════════════
   MID-PAGE CTA WRAP — inline buy prompt between sections
   ═══════════════════════════════════════════════════════════════ */
.sf-pdp__cta-mid-wrap {
  padding: var(--s-6) 0;
  text-align: center;
  border-top: 1px dashed var(--ink-200);
  border-bottom: 1px dashed var(--ink-200);
  background: #fff;
}
.sf-pdp__cta-mid-wrap[hidden] { display: none !important; }
.sf-pdp__cta-mid-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  background: var(--ink-900);
  color: #fff;
  padding: 14px 28px;
  border-radius: 999px;
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease-out);
}
.sf-pdp__cta-mid-btn:hover {
  background: var(--sl-green-700);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(22,163,74,.25);
  color: #fff;
}
.sf-pdp__cta-mid-quote {
  font-size: 15px;
  color: var(--ink-700);
  font-style: italic;
  font-weight: 500;
  margin-bottom: var(--s-5);
  line-height: 1.6;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.sf-pdp__cta-mid-sub {
  font-size: 13px;
  color: var(--ink-500);
  font-style: italic;
  margin-top: var(--s-3);
}

/* ═══════════════════════════════════════════════════════════════
   SOCIAL PROOF — Zalo screenshots, light cream bg (wireframe)
   ═══════════════════════════════════════════════════════════════ */
.sf-pdp__social-proof {
  padding: var(--s-16) 0;
  background: #FAF7F0;
}
.sf-pdp__social-proof[hidden] { display: none !important; }
.sf-pdp__social-proof .sf-pdp__section-tag { color: var(--sl-green-700); }
.sf-pdp__social-proof .sf-pdp__h2 {
  color: var(--ink-900);
  text-align: center;
  margin-bottom: var(--s-3);
}
.sf-pdp__social-proof .sf-pdp__h2 em { color: var(--sl-green-700); }
.sf-pdp__sp-subheadline {
  font-size: 13px;
  color: var(--ink-500);
  text-align: center;
  margin: 0 0 var(--s-8);
  line-height: 1.55;
}
.sf-pdp__sp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5);
}
@media (max-width: 768px) {
  .sf-pdp__sp-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
  }
}
.sf-pdp__sp-card {
  background: #fff;
  border: 0.5px solid rgba(0,0,0,.06);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.sf-pdp__sp-card img {
  width: 100%;
  height: auto;
  display: block;
}
.sf-pdp__sp-caption {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-800);
  padding: var(--s-3) var(--s-4) var(--s-2);
  font-style: italic;
  line-height: 1.4;
}
.sf-pdp__sp-context {
  font-size: 11px;
  color: var(--ink-400);
  padding: 0 var(--s-4) var(--s-3);
  line-height: 1.5;
  margin: 0;
}
/* When image fails to load, img-wrap collapses — card still shows caption+context */
.sf-pdp__sp-img-wrap { overflow: hidden; line-height: 0; }
.sf-pdp__sp-note {
  font-size: 11px;
  color: var(--ink-400);
  text-align: center;
  margin-top: var(--s-4);
  font-style: italic;
}
.sf-pdp__sp-cta-wrap {
  text-align: center;
  margin-top: var(--s-6);
}
.sf-pdp__sp-cta-wrap .sf-pdp__btn-buy {
  background: var(--sl-green-600);
}
.sf-pdp__sp-cta-wrap .sf-pdp__btn-buy:hover {
  background: var(--sl-green-700);
}
/* Text testimonials (fallback nếu dùng text thay ảnh) */
.sf-pdp__sp-testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5);
  margin-top: var(--s-8);
}
@media (max-width: 768px) {
  .sf-pdp__sp-testimonials { grid-template-columns: 1fr; }
}
.sf-pdp__sp-testimonial {
  background: #fff;
  border: 0.5px solid rgba(0,0,0,.08);
  border-radius: 14px;
  padding: var(--s-5);
}
.sf-pdp__sp-testimonial--img {
  background: none;
  border: none;
  border-radius: 0;
  padding: 0;
  overflow: hidden;
}
.sf-pdp__sp-testimonial--img img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  display: block;
  object-fit: cover;
}
.sf-pdp__sp-testimonial-text {
  font-size: 14px;
  color: var(--ink-700);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: var(--s-4);
}
.sf-pdp__sp-testimonial-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--sl-green-700);
}
.sf-pdp__sp-testimonial-source {
  font-size: 11px;
  color: var(--ink-400);
  margin-top: 2px;
}

/* Feature "BẠN HẾT PHẢI" block — inside left text column, no box */
.sf-pdp__feature-noneed {
  background: none;
  border-radius: 0;
  padding: var(--s-5) 0 0 0;
  margin-top: var(--s-6);
  border-top: 1px solid var(--sl-green-100);
}
.sf-pdp__feature-noneed-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--sl-green-600);
  font-weight: 700;
  letter-spacing: .12em;
  margin-bottom: 10px;
  opacity: 0.85;
}
.sf-pdp__feature-noneed-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-500);
  margin-bottom: 7px;
}
.sf-pdp__feature-noneed-item:last-child { margin-bottom: 0; }
.sf-pdp__feature-noneed-check {
  color: var(--sl-green-500);
  flex-shrink: 0;
  font-weight: 700;
  margin-top: 1px;
}

/* FAQ sublead + Solution subtext */
.sf-pdp__faq-sublead {
  font-size: 13px;
  color: var(--ink-500);
  margin: calc(var(--s-2) * -1) 0 var(--s-6);
}
.sf-pdp__solution-subtext {
  font-size: 14px;
  color: var(--ink-500);
  margin: calc(var(--s-3) * -1) 0 0;
  line-height: 1.6;
}

/* Founder CTA button (appears at end of founder section, dark bg) */
.sf-pdp__founder-cta {
  text-align: center;
  margin-top: var(--s-8);
}
.sf-pdp__founder-cta .sf-pdp__btn-buy {
  background: var(--sl-green-600);
}
.sf-pdp__founder-cta .sf-pdp__btn-buy:hover {
  background: var(--sl-green-700);
}

/* ═══════════════════════════════════════════════════════════════
   THEME: MONEY (mận đỏ / wine) — dùng cho sản phẩm Money OS.
   Kích hoạt qua landingContent.meta.theme = "money" → hydrator gắn
   class body.sf-theme-money. Override scale --sl-green-* sang tông mận.
   Giữ --sem-err (đỏ) cho cảnh báo; số "thu/chi" trong mock dùng
   inline green/red riêng nên không bị ảnh hưởng.
   ═══════════════════════════════════════════════════════════════ */
body.sf-theme-money {
  --sl-green-50:  #fdf2f6;
  --sl-green-100: #fbe9ef;
  --sl-green-200: #f3cdda;
  --sl-green-300: #e3a3b8;
  --sl-green-400: #c76e8a;
  --sl-green-500: #9c3a57;
  --sl-green-600: #7a2941; /* primary brand (mận) */
  --sl-green-700: #5e1f33;
  --sl-green-800: #4a1830;
  --sl-green-900: #2e0f1d;
}
/* Override 8 glow/shadow xanh hardcode (rgba 22,163,74) → mận (122,41,65).
   Specificity .sf-theme-money <sel> (0,2,0) thắng cả rule trong @media. */
body.sf-theme-money .sf-pdp__btn-primary:hover { box-shadow: 0 12px 32px rgba(122,41,65,.25); }
body.sf-theme-money .sf-pdp__slider-dot.is-active { box-shadow: 0 0 0 2px rgba(122,41,65,.2); }
body.sf-theme-money .sf-pdp__founder::before { background: radial-gradient(circle, rgba(122,41,65,.18) 0%, transparent 70%); }
body.sf-theme-money .sf-pdp__founder-photo { box-shadow: 0 16px 40px rgba(122,41,65,.3); }
body.sf-theme-money .sf-pdp__slot-card { box-shadow: var(--shadow-lg), 0 4px 16px rgba(122,41,65,.10); }
body.sf-theme-money .sf-pdp__offer-card { box-shadow: 0 24px 48px rgba(122,41,65,.18), 8px 8px 0 var(--sl-green-600); }
body.sf-theme-money .sf-pdp__btn-buy:hover { box-shadow: 0 16px 32px rgba(122,41,65,.35); }
body.sf-theme-money .sf-pdp__cta-mid-btn:hover { box-shadow: 0 10px 24px rgba(122,41,65,.25); }