.quality-section {
  position: relative;
  overflow: hidden;
  padding: 104px 0 92px;
  background:
    radial-gradient(circle at 84% 24%, rgba(87, 226, 199, .2), transparent 34%),
    radial-gradient(circle at 12% 82%, rgba(189, 242, 105, .15), transparent 28%),
    linear-gradient(145deg, #ffffff 0%, #f7fcfa 55%, #eefbf7 100%);
  color: #15364b;
}

.quality-section.quality-background-section {
  min-height: 780px;
  background: #fff;
}
.quality-background-image {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, .94) 0%, rgba(255, 255, 255, .8) 28%, rgba(255, 255, 255, 0) 62%), url('/certified-meter-quality-v2.png') center center / cover no-repeat;
  pointer-events: none;
  transform: scale(1);
}
.quality-background-section.is-visible .quality-background-image { animation: quality-background-zoom 10s ease-out forwards; }
.quality-background-section.scroll-reveal .quality-copy { opacity: 0; transform: translateY(16px); }
.quality-background-section.scroll-reveal.is-visible .quality-copy { animation: quality-copy-appear .9s .15s ease-out both; }
@keyframes quality-background-zoom { to { transform: scale(1.04); } }
@keyframes quality-copy-appear { to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
  .quality-background-section.is-visible .quality-background-image { animation: none; transform: none; }
  .quality-background-section.scroll-reveal .quality-copy,
  .quality-background-section.scroll-reveal.is-visible .quality-copy { opacity: 1; transform: none; animation: none; }
}
.quality-background-section::before,.quality-background-section::after { display: none; }
.quality-background-section .quality-layout { grid-template-columns: 1fr; }
.quality-background-section .quality-copy { max-width: 650px; }
@media (max-width: 980px) {
  .quality-section.quality-background-section { min-height: 720px; }
  .quality-background-image { background-position: center, 60% center; }
}
@media (max-width: 560px) {
  .quality-section.quality-background-section { min-height: 680px; }
  .quality-background-image { background-image: linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.7) 50%, rgba(255,255,255,.1)), url('/certified-meter-quality-v2.png'); }
}

.quality-section::before,
.quality-section::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(32, 171, 141, .13);
  border-radius: 50%;
  pointer-events: none;
}

.quality-section::before { width: 520px; height: 520px; right: -220px; top: -230px; }
.quality-section::after { width: 360px; height: 360px; left: -190px; bottom: -210px; }

.quality-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(380px, 1fr) minmax(0, 1.25fr);
  align-items: center;
  gap: 24px;
}

.quality-copy { min-width: 0; padding-left: 0; }

.quality-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  padding: 10px 18px;
  border-radius: 999px;
  background: #e6f8f2;
  color: #087f69;
  font-weight: 700;
  font-size: 17px;
}

.quality-copy h2 {
  margin: 0;
  font-family: var(--font-anuphan), sans-serif;
  font-size: clamp(46px, 4.7vw, 76px);
  line-height: 1.02;
  letter-spacing: -.045em;
  color: #173b51;
}

.quality-copy h2 span { display: block; color: #0cae8b; }

.quality-copy p {
  max-width: 550px;
  margin: 28px 0 0;
  color: #587386;
  font-family: var(--font-sarabun), sans-serif;
  font-size: 20px;
  line-height: 1.75;
}

.quality-visual {
  width: calc(100% + clamp(40px, 7vw, 130px));
  margin-right: clamp(-130px, -7vw, -40px);
  filter: drop-shadow(0 30px 28px rgba(16, 118, 97, .14));
}

.quality-visual img { display: block; width: 100%; height: auto; object-fit: contain; }

.quality-features {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.quality-feature-card {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 16px;
  align-items: center;
  min-height: 154px;
  padding: 24px;
  border: 1px solid rgba(19, 147, 121, .14);
  border-radius: 24px;
  background: rgba(255, 255, 255, .91);
  box-shadow: 0 18px 55px rgba(23, 76, 66, .09);
  backdrop-filter: blur(10px);
}

.quality-feature-card h3 { font-family: var(--font-anuphan), sans-serif; }
.quality-feature-card p { font-family: var(--font-sarabun), sans-serif; }

.quality-feature-icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #e8f8f3;
  color: #089b7c;
  font-size: 28px;
}

.quality-feature-card h3 { margin: 0; color: #07856d; font-size: 20px; line-height: 1.35; }
.quality-feature-card p { margin: 7px 0 0; color: #61798a; font-size: 15px; line-height: 1.55; }

@media (max-width: 1100px) {
  .quality-layout { grid-template-columns: 1fr 1.15fr; }
  .quality-features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .quality-section { padding: 76px 0 68px; }
  .quality-layout { grid-template-columns: 1fr; gap: 22px; }
  .quality-copy { padding: 0; text-align: center; }
  .quality-copy p { margin-left: auto; margin-right: auto; }
  .quality-visual { width: 112%; margin: -8px -6% 0; }
}

@media (max-width: 560px) {
  .quality-copy h2 { font-size: 42px; }
  .quality-copy p { font-size: 17px; }
  .quality-kicker { font-size: 15px; }
  .quality-features { grid-template-columns: 1fr; }
  .quality-feature-card { min-height: 0; padding: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .quality-section *, .quality-section *::before, .quality-section *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}

.testing-section {
  position: relative;
  overflow: hidden;
  padding: 104px 0 112px;
  background: linear-gradient(135deg, #f7fffc 0%, #ffffff 52%, #eefbf7 100%);
  color: #173b51;
}

.testing-section::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -220px;
  top: -230px;
  border: 1px solid rgba(32, 171, 141, .14);
  border-radius: 50%;
  pointer-events: none;
}

.testing-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(300px, .82fr) minmax(0, 1.18fr);
  align-items: center;
  gap: clamp(36px, 6vw, 92px);
}

.testing-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 18px;
  border-radius: 999px;
  background: #e4f8f1;
  color: #078d74;
  font-family: var(--font-anuphan), sans-serif;
  font-size: 16px;
  font-weight: 700;
}

.testing-copy h2 {
  margin: 24px 0 0;
  color: #173b51;
  font-family: var(--font-anuphan), sans-serif;
  font-size: clamp(38px, 4.2vw, 68px);
  line-height: 1.08;
  letter-spacing: -.04em;
}

.testing-copy h2 span { color: #0cae8b; }

.testing-copy > p {
  max-width: 540px;
  margin: 24px 0 0;
  color: #5e7788;
  font-family: var(--font-sarabun), sans-serif;
  font-size: 19px;
  line-height: 1.75;
}

.testing-points {
  display: grid;
  gap: 12px;
  margin-top: 28px;
  color: #31576b;
  font-family: var(--font-sarabun), sans-serif;
  font-size: 17px;
}

.testing-points div { display: flex; align-items: center; gap: 11px; }
.testing-points i { color: #0cae8b; font-size: 20px; }

.testing-visuals {
  position: relative;
  min-height: 520px;
}

.testing-visuals figure {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 1px solid rgba(25, 160, 132, .18);
  border-radius: 28px;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 20px 58px rgba(23, 92, 76, .14);
}

.testing-visuals figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 52%, rgba(9, 61, 70, .74));
  pointer-events: none;
}

.testing-visuals img { display: block; width: 100%; height: auto; object-fit: cover; }
.testing-device-card {
  position: absolute !important;
  top: 0;
  left: 0;
  width: min(78%, 470px);
  z-index: 1;
}
.testing-device-card img { aspect-ratio: 1 / 1; object-fit: contain; padding: 10px; }
.testing-lab-card {
  position: absolute !important;
  right: 0;
  bottom: 0;
  width: min(58%, 380px);
  z-index: 2;
  transform: none;
}
.testing-lab-card img { aspect-ratio: 1.35 / 1; }

.testing-visuals figcaption {
  position: absolute;
  z-index: 1;
  right: 20px;
  bottom: 17px;
  left: 20px;
  display: grid;
  gap: 2px;
  color: #fff;
  font-family: var(--font-sarabun), sans-serif;
}

.testing-visuals figcaption strong { font-family: var(--font-anuphan), sans-serif; font-size: 19px; }
.testing-visuals figcaption span { font-size: 15px; opacity: .9; }

@media (max-width: 820px) {
  .testing-section { padding: 78px 0 82px; }
  .testing-layout { grid-template-columns: 1fr; gap: 42px; }
  .testing-copy { text-align: center; }
  .testing-copy > p { margin-left: auto; margin-right: auto; }
  .testing-points { width: fit-content; margin-left: auto; margin-right: auto; text-align: left; }
  .testing-visuals { max-width: 620px; min-height: 500px; margin: 0 auto; }
}

@media (max-width: 560px) {
  .testing-copy h2 { font-size: 40px; }
  .testing-copy > p { font-size: 17px; }
  .testing-visuals { min-height: 420px; }
  .testing-device-card { width: 82%; }
  .testing-lab-card { width: 58%; }
}