/* RESET CƠ BẢN */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: #f3f5f9;
  color: #111827;
  line-height: 1.6;
}

/* UTILITIES */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

.section {
  padding: 64px 0;
}

.section-title {
  font-size: 28px;
  font-weight: 800;
  text-transform: uppercase;
  text-align: center;
  margin: 0 0 16px;
  color: #065f46;
}

.section-intro {
  max-width: 760px;
  margin: 0 auto 32px;
  text-align: center;
  color: #4b5563;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 999px;
  border: none;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.18s ease;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, #16a34a, #15803d);
  color: #fff;
  box-shadow: 0 12px 30px rgba(22, 163, 74, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(22, 163, 74, 0.45);
}

.btn-outline {
  background: #ecfdf5;
  color: #15803d;
  border: 1px solid rgba(22, 163, 74, 0.4);
}

.btn-outline:hover {
  background: #bbf7d0;
}

.btn-zalo {
  background: #0f5ae0;
  color: #fff;
}

.btn-zalo:hover {
  background: #0b49b3;
}

.btn-full {
  width: 100%;
}

.center {
  text-align: center;
}

/* BADGES */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.badge-green {
  background: #dcfce7;
  color: #166534;
}

.badge-gold {
  background: #fef3c7;
  color: #92400e;
}

.badge-outline {
  border: 1px dashed #6b7280;
  color: #4b5563;
}

/* TOPBAR */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.4);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  gap: 16px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  object-fit: cover;
  border: 2px solid #22c55e;
}

.topbar-brand {
  display: flex;
  flex-direction: column;
}

.brand-name {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #f9fafb;
}

.brand-sub {
  margin: 2px 0 0;
  font-size: 11px;
  color: #9ca3af;
}

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

.hotline-box {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.hotline-label {
  font-size: 11px;
  color: #e5e7eb;
}

.hotline-number {
  font-size: 18px;
  font-weight: 800;
  color: #22c55e;
  text-decoration: none;
}

.hotline-number:hover {
  text-decoration: underline;
}

/* MOBILE HOTLINE */
.mobile-hotline {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: none;
  z-index: 60;
  background: #0b1120;
  padding: 6px 8px;
  gap: 6px;
}

.mobile-hotline-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  padding: 8px 10px;
  text-decoration: none;
}

.mobile-hotline-btn:first-child {
  background: #f97316;
  color: #fff;
}

.mobile-hotline-btn.secondary {
  background: #22c55e;
  color: #022c22;
}

/* HERO */
.hero {
  background: radial-gradient(circle at top left, #bbf7d0 0, #e5f3ff 45%, #f3f4f6 100%);
  padding-top: 32px;
  padding-bottom: 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr);
  gap: 32px;
  align-items: center;
}

.hero-media-main {
  background: #ecfdf5;
  border-radius: 24px;
  padding: 18px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.18);
}

.hero-img {
  width: 100%;
  border-radius: 18px;
  display: block;
}

.hero-media-thumbs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.hero-media-thumbs img {
  width: 100%;
  height: 100px;   /* hoặc 120px tùy anh */
  object-fit: contain;
  background: #fff;
  border-radius: 12px;
}


.hero-content {
  background: #ffffff;
  border-radius: 24px;
  padding: 24px 24px 28px;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.18);
}

.hero-title {
  margin: 0 0 8px;
  font-size: 26px;
  line-height: 1.3;
  font-weight: 800;
  text-transform: uppercase;
  color: #064e3b;
}

.hero-subtitle {
  margin: 0 0 16px;
  color: #4b5563;
  font-size: 14px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.hero-bullets {
  margin: 0 0 18px;
  padding-left: 18px;
  color: #374151;
  font-size: 14px;
}

.hero-bullets li + li {
  margin-top: 4px;
}

.hero-cta {
  border-top: 1px dashed #e5e7eb;
  padding-top: 12px;
}

.hero-price {
  margin-bottom: 10px;
}

.price-main {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: baseline;
}

.price-label {
  font-size: 13px;
  color: #6b7280;
}

.price-value {
  font-size: 22px;
  font-weight: 800;
  color: #b45309;
}

.price-note {
  margin: 4px 0 2px;
  font-size: 13px;
  color: #4b5563;
}

.stock {
  margin: 0;
  font-size: 13px;
  color: #b91c1c;
  font-weight: 600;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 10px 0 6px;
}

.hero-hotline-note {
  margin: 0;
  font-size: 12px;
  color: #4b5563;
}

.hotline-inline {
  color: #b91c1c;
  font-weight: 700;
  text-decoration: none;
}

.hotline-inline:hover {
  text-decoration: underline;
}

/* PROBLEMS */
.problems {
  background: #f9fafb;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.problem-item {
  background: #ffffff;
  border-radius: 18px;
  padding: 16px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.06);
}

.problem-item h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: #b91c1c;
}

.problem-item p {
  margin: 0;
  font-size: 13px;
  color: #4b5563;
}

.problem-highlight {
  margin-top: 20px;
  background: #fef3c7;
  border-radius: 16px;
  padding: 12px 16px;
  border: 1px dashed #f59e0b;
  font-size: 13px;
  color: #92400e;
}

/* SOLUTION */
.solution {
  background: #ecfdf5;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.solution-item {
  background: #ffffff;
  border-radius: 20px;
  padding: 16px 16px 18px;
  border: 1px solid #bbf7d0;
  box-shadow: 0 10px 26px rgba(22, 163, 74, 0.1);
}

.solution-step {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  text-transform: uppercase;
  background: #dcfce7;
  color: #166534;
  font-weight: 700;
  margin-bottom: 6px;
}

.solution-item h3 {
  margin: 0 0 8px;
  font-size: 15px;
  color: #064e3b;
}

.solution-item p {
  margin: 0;
  font-size: 13px;
  color: #4b5563;
}

.solution-note {
  margin-top: 18px;
  font-size: 13px;
  text-align: center;
  color: #064e3b;
}

/* BENEFITS */
.benefits {
  background: #ffffff;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.benefit-item {
  border-radius: 18px;
  background: #f9fafb;
  padding: 16px;
  border: 1px solid #e5e7eb;
}

.benefit-item h3 {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  color: #065f46;
}

.benefit-item p {
  margin: 0;
  font-size: 13px;
  color: #4b5563;
}

/* BEFORE AFTER */
.before-after {
  background: #f9fafb;
}

.before-after-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

.before-after-list {
  padding-left: 18px;
  font-size: 13px;
  color: #4b5563;
  margin-bottom: 18px;
}

.before-after-list li + li {
  margin-top: 4px;
}

.before-after-media {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.before-after-img {
  width: 100%;
  border-radius: 18px;
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.16);
  object-fit: cover;
}

.before-after-img.small {
  max-width: 360px;
  justify-self: end;
}

/* VIDEO */
.video-section {
  background: #ffffff;
}

.video-wrapper {
  max-width: 720px;
  margin: 0 auto 16px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.28);
}

.video-player {
  width: 100%;
  display: block;
}

.video-note {
  max-width: 720px;
  margin: 0 auto;
  font-size: 13px;
  text-align: center;
  color: #4b5563;
}

/* PRICING */
.pricing {
  background: #ecfdf5;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.pricing-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 18px 16px;
  border: 1px solid #bbf7d0;
  box-shadow: 0 10px 26px rgba(22, 163, 74, 0.12);
  position: relative;
}

.pricing-card h3 {
  margin: 0 0 6px;
  font-size: 16px;
  text-transform: uppercase;
  color: #065f46;
}

.pricing-qty {
  margin: 0 0 8px;
  font-size: 13px;
  color: #4b5563;
}

.pricing-price {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 800;
  color: #b45309;
}

.pricing-note {
  margin: 0;
  font-size: 13px;
  color: #6b7280;
}

.pricing-card.popular {
  border-color: #f97316;
  box-shadow: 0 14px 34px rgba(249, 115, 22, 0.35);
}

.pricing-tag {
  position: absolute;
  top: -10px;
  right: 12px;
  background: #f97316;
  color: #fff;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
}

/* FORM */
.form-section {
  background: #f9fafb;
}

.form-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 28px;
  align-items: flex-start;
}

.form-text .section-title {
  text-align: left;
}

.form-text .section-intro {
  text-align: left;
  margin-left: 0;
}

.form-benefits {
  padding-left: 18px;
  font-size: 13px;
  color: #374151;
  margin-bottom: 12px;
}

.form-benefits li + li {
  margin-top: 4px;
}

.form-hotline {
  font-size: 13px;
  color: #111827;
}

.form-box {
  background: #ffffff;
  border-radius: 20px;
  padding: 18px 18px 20px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.18);
  border: 1px solid #e5e7eb;
}

.form-box h3 {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 700;
  color: #111827;
}

.lead-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-row label {
  font-size: 13px;
  font-weight: 600;
  color: #374151;
}

.input,
.textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #d1d5db;
  font-size: 13px;
  outline: none;
  font-family: inherit;
  background: #ffffff;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.input:focus,
.textarea:focus {
  border-color: #16a34a;
  box-shadow: 0 0 0 1px rgba(22, 163, 74, 0.35);
}

.textarea {
  resize: vertical;
}

.form-disclaimer {
  margin: 6px 0 0;
  font-size: 11px;
  color: #6b7280;
}

/* FAQ */
.faq {
  background: #ffffff;
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  background: #f9fafb;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 10px 12px;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 600;
  color: #111827;
  cursor: pointer;
}

.faq-toggle {
  font-size: 20px;
  line-height: 1;
  color: #6b7280;
}

.faq-answer {
  padding: 0 12px 10px;
  font-size: 13px;
  color: #4b5563;
  display: none;
}

/* FOOTER */
.footer {
  background: #020617;
  color: #e5e7eb;
  padding: 32px 0 12px;
  margin-top: 16px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
  margin-bottom: 16px;
}

.footer h3,
.footer h4 {
  margin: 0 0 8px;
  font-weight: 700;
}

.footer p {
  margin: 0;
  font-size: 13px;
  color: #d1d5db;
}

.footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 13px;
}

.footer-list li + li {
  margin-top: 4px;
}

.footer a {
  color: #22c55e;
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid #111827;
  padding-top: 8px;
  text-align: center;
  font-size: 11px;
  color: #9ca3af;
}

/* RESPONSIVE */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .before-after-grid {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 840px) {
  .problem-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .solution-grid,
  .benefit-grid,
  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .topbar-right {
    display: none;
  }

  .mobile-hotline {
    display: flex;
  }

  body {
    padding-bottom: 52px; /* chừa chỗ cho thanh hotline mobile */
  }
}

@media (max-width: 640px) {
  .section {
    padding: 52px 0;
  }

  .section-title {
    font-size: 22px;
  }

  .hero-content {
    padding: 18px 16px 22px;
  }

  .problem-grid,
  .solution-grid,
  .benefit-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .before-after-img.small {
    justify-self: stretch;
    max-width: 100%;
  }

  .topbar-inner {
    padding: 8px 0;
  }

  .logo {
    width: 38px;
    height: 38px;
  }
}
.feedback {
  background: #ffffff;
}

.feedback-inner {
  max-width: 880px;
  margin: 0 auto;
}

.feedback-rating {
  text-align: center;
  margin: 0 0 20px;
  font-size: 16px;
  color: #111827;
}

.feedback-score {
  font-weight: 700;
  margin-right: 6px;
}

.feedback-stars {
  color: #fbbf24;
  letter-spacing: 2px;
}

.feedback-images {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feedback-img {
  width: 100%;
  border-radius: 18px;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.18);
  display: block;
}

.fb-more {
  text-align: center;
  margin-top: 12px;
  font-size: 13px;
  color: #6b7280;
}
.problem-item {
  text-align: left;
}

.problem-img {
  width: 100%;
  max-width: 150px;
  height: auto;
  margin-bottom: 12px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}
.problem-img {
  display: block !important;
  margin-left: auto !important;
  margin-right: auto !important;
}
/* POPUP OVERLAY */
/* POPUP OVERLAY */
.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;   /* ← THÊM DÒNG QUAN TRỌNG NÀY */
  background: rgba(0,0,0,0.55);
  display: none;
  z-index: 2000;
}


/* POPUP BOX */
.popup-form {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.85);
  width: 92%;
  max-width: 420px;
  background: #ffffff;
  padding: 26px 22px;
  border-radius: 18px;
  box-shadow: 0 20px 45px rgba(0,0,0,0.25);
  display: none;
  z-index: 2001;
  transition: all .25s ease;
}

/* SHOW STATE */
.popup-show {
  display: block !important;
}

/* Chỉ áp dụng hiệu ứng scale cho FORM, không cho overlay */
.popup-form.popup-show {
  transform: translate(-50%, -50%) scale(1);
}


/* CLOSE BUTTON */
.popup-close {
  position: absolute;
  top: 8px;
  right: 12px;
  border: none;
  background: none;
  font-size: 26px;
  cursor: pointer;
}

/* TEXT */
.popup-title {
  text-align: center;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 6px;
  color: #065f46;
}

.popup-sub {
  text-align: center;
  font-size: 14px;
  margin-bottom: 16px;
  color: #374151;
}

/* INPUT */
.popup-input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  margin-bottom: 10px;
  font-size: 14px;
}

/* BUTTON */
.popup-btn {
  width: 100%;
  padding: 14px 18px;
  background: linear-gradient(135deg, #16a34a, #15803d);
  border: none;
  color: white;
  font-size: 15px;
  font-weight: 700;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(22,163,74,0.35);
}

.popup-note {
  text-align: center;
  font-size: 12px;
  color: #6b7280;
  margin-top: 10px;
}
#popup-root {
  position: relative;
  z-index: 2000;
}