:root {
  --bg: #f3f9fe;
  --surface: #ffffff;
  --surface-alt: #edf6fd;
  --surface-dark: #4f95c3;
  --surface-dark-alt: #79bbe0;
  --text: #16202a;
  --text-soft: #5f6d7b;
  --text-light: #d3dce5;
  --line: rgba(20, 33, 45, 0.12);
  --line-strong: rgba(20, 33, 45, 0.18);
  --primary: #7ac8ed;
  --primary-strong: #4d9dcd;
  --accent: #a7d8f1;
  --success: #1d7a57;
  --shadow: 0 20px 50px rgba(15, 30, 45, 0.08);
  --shadow-soft: 0 14px 30px rgba(15, 30, 45, 0.06);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: min(1180px, calc(100% - 32px));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Lucida Sans Unicode", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(167, 216, 241, 0.34), transparent 32%),
    radial-gradient(circle at bottom right, rgba(122, 200, 237, 0.18), transparent 36%),
    var(--bg);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  background: var(--surface-dark);
  color: #fff;
  padding: 12px 16px;
  border-radius: 999px;
  z-index: 1000;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section-padding {
  padding: 88px 0;
}

.section-soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(238, 243, 247, 0.96));
}

.section-dark {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.03), transparent 38%),
    linear-gradient(180deg, var(--surface-dark), var(--surface-dark-alt));
  color: #f4f8fb;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 700;
}

.section-dark .eyebrow {
  color: #9ec0d6;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 38px;
}

.section-heading h2,
.hero h1,
.site-footer h2,
.site-footer h3 {
  font-family: Georgia, "Times New Roman", serif;
}

.section-heading h2,
.hero h1 {
  margin: 0;
  line-height: 1.08;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}

.section-heading p:last-child {
  margin: 0;
  color: var(--text-soft);
}

.section-dark .section-heading p:last-child,
.section-dark p {
  color: rgba(234, 241, 246, 0.82);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
  box-shadow: 0 16px 30px rgba(77, 157, 205, 0.28);
}

.button-primary:hover,
.button-primary:focus-visible {
  box-shadow: 0 22px 34px rgba(77, 157, 205, 0.34);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.7);
  color: var(--primary-strong);
  border-color: rgba(122, 200, 237, 0.28);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: #fff;
  border-color: rgba(77, 157, 205, 0.42);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(244, 247, 250, 0.84);
  border-bottom: 1px solid rgba(20, 33, 45, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-text strong {
  font-size: 1rem;
}

.brand-text small {
  color: var(--text-soft);
  font-size: 0.8rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  color: var(--text-soft);
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.nav-toggle {
  display: none;
  border: 1px solid rgba(20, 33, 45, 0.12);
  background: rgba(255, 255, 255, 0.85);
  width: 48px;
  height: 48px;
  border-radius: 14px;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  margin: 5px auto;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 28px auto auto 50%;
  width: min(48vw, 540px);
  height: min(48vw, 540px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(41, 87, 114, 0.12), transparent 70%);
  transform: translateX(-10%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

.hero-copy {
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr);
  column-gap: 32px;
  row-gap: 14px;
  align-items: start;
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: none;
}

.hero-copy > * {
  min-width: 0;
}

.hero-copy .eyebrow,
.hero-copy h1,
.hero-copy .hero-text {
  grid-column: 1;
}

.hero-copy .hero-points,
.hero-copy .hero-actions {
  grid-column: 2;
}

.hero .eyebrow,
.hero h1,
.hero-text,
.hero-points span,
.hero-actions .button {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.hero h1 {
  font-size: clamp(2.7rem, 5vw, 4.8rem);
  margin-bottom: 18px;
}

.hero-text {
  max-width: min(100%, 720px);
  margin-bottom: 22px;
  font-size: 1.04rem;
  color: var(--text-soft);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: flex-start;
  margin: 4px 0 0;
}

.hero-points span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(20, 33, 45, 0.1);
  color: var(--text-soft);
  text-align: center;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 2px 0 0;
}

.hero-actions .button {
  max-width: 100%;
}

.hero-trust {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.hero-trust article {
  padding: 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(20, 33, 45, 0.08);
  box-shadow: var(--shadow-soft);
}

.hero-trust strong {
  display: block;
  margin-bottom: 8px;
}

.hero-trust p {
  margin: 0;
  color: var(--text-soft);
}

.hero-visual {
  position: relative;
  z-index: 1;
  width: 100%;
}

.visual-stage {
  display: grid;
  gap: 12px;
  padding: 14px;
  border-radius: 34px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.7));
  border: 1px solid rgba(20, 33, 45, 0.08);
  box-shadow: var(--shadow);
}

.visual-badge {
  position: static;
  max-width: 360px;
  width: fit-content;
  padding: 16px 18px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--surface-dark), var(--primary-strong));
  color: #fff;
  box-shadow: 0 20px 36px rgba(17, 24, 32, 0.22);
}

.visual-badge span {
  display: block;
  margin-bottom: 6px;
  color: rgba(255, 255, 255, 0.72);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
}

.visual-badge strong {
  font-size: 0.98rem;
  line-height: 1.45;
}

.visual-main {
  padding-top: 0;
}

.hero-slider {
  position: relative;
  height: clamp(280px, 36vw, 500px);
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(20, 33, 45, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(244, 247, 250, 0.96)),
    #fff;
  touch-action: pan-y;
  user-select: none;
  cursor: grab;
}

.hero-slider.is-dragging {
  cursor: grabbing;
}

.hero-slider-track {
  display: flex;
  height: 100%;
  will-change: transform;
}

.hero-slide {
  position: relative;
  flex: 0 0 100%;
  min-width: 100%;
  height: 100%;
  margin: 0;
}

.hero-slide .fill-image {
  object-fit: contain;
  object-position: center;
  background: #fff;
  pointer-events: none;
}

.hero-slider-dots {
  position: absolute;
  left: 50%;
  bottom: 16px;
  z-index: 2;
  display: inline-flex;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(15, 21, 29, 0.28);
  backdrop-filter: blur(10px);
  transform: translateX(-50%);
}

.hero-slider-dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.46);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.hero-slider-dot.is-active {
  background: #fff;
  transform: scale(1.18);
}

.placeholder-card {
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--text-soft);
  border: 1px dashed rgba(41, 87, 114, 0.32);
  background:
    linear-gradient(135deg, rgba(41, 87, 114, 0.08), rgba(126, 152, 171, 0.12)),
    linear-gradient(45deg, rgba(255, 255, 255, 0.7), rgba(238, 243, 247, 0.8));
  border-radius: var(--radius-md);
}

.placeholder-card {
  overflow: hidden;
}

.fill-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  background: #0f151d;
}

.factory-video-section {
  padding: 0 0 48px;
}

.factory-video-frame {
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(20, 33, 45, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(237, 246, 253, 0.96)),
    #fff;
  box-shadow: var(--shadow);
}

.factory-video {
  display: block;
  width: 100%;
  height: clamp(260px, 42vw, 560px);
  object-fit: cover;
  background: #0f151d;
}

.qr-image {
  object-fit: contain;
  padding: 12px;
  background: #fff;
}


.placeholder-card span {
  max-width: 210px;
  padding: 20px;
  font-weight: 700;
  line-height: 1.5;
}

.placeholder-tall {
  height: min(62vh, clamp(320px, 38vw, 500px));
  min-height: auto;
}

.visual-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.mini-stat {
  padding: 16px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(20, 33, 45, 0.08);
}

.mini-stat strong {
  display: block;
  margin-bottom: 6px;
}

.mini-stat span {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.proof-strip {
  padding: 0 0 28px;
}

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

.proof-item {
  padding: 22px 24px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(20, 33, 45, 0.08);
  box-shadow: var(--shadow-soft);
}

.proof-label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-soft);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.card-grid {
  display: grid;
  gap: 20px;
}

.six-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.four-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.info-card,
.product-card,
.custom-card,
.quality-card,
.scenario-card,
.stat-card,
.timeline-item,
.contact-panel article,
.wechat-panel,
.faq-item {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(20, 33, 45, 0.08);
  box-shadow: var(--shadow-soft);
}

.info-card,
.custom-card,
.quality-card,
.scenario-card {
  padding: 24px;
  border-radius: var(--radius-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.info-card:hover,
.product-card:hover,
.custom-card:hover,
.quality-card:hover,
.scenario-card:hover,
.timeline-item:hover {
  transform: translateY(-4px);
  border-color: rgba(41, 87, 114, 0.18);
  box-shadow: 0 18px 38px rgba(15, 30, 45, 0.09);
}

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  margin-bottom: 18px;
  color: var(--primary-strong);
  background: rgba(41, 87, 114, 0.09);
  font-weight: 800;
}

.info-card h3,
.product-copy h3,
.custom-card h3,
.quality-card h3,
.scenario-card h3,
.timeline-item h3,
.faq-question {
  margin: 0 0 10px;
  font-size: 1.18rem;
}

.info-card p,
.product-copy p,
.custom-card p,
.quality-card p,
.scenario-card p,
.timeline-item p {
  margin: 0;
  color: var(--text-soft);
}

.product-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-card {
  overflow: hidden;
  border-radius: 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.product-media {
  aspect-ratio: 4 / 3;
  border-radius: 0;
  border-left: 0;
  border-right: 0;
  border-top: 0;
}

.product-media.has-image {
  aspect-ratio: 1 / 1;
  padding: clamp(12px, 1.4vw, 18px);
  background: #fff;
  border-style: solid;
}

.product-media.has-image .fill-image {
  object-fit: contain;
  object-position: center center;
}

.product-copy {
  padding: 22px;
}

.split-section {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 34px;
  align-items: start;
}

.split-copy {
  margin-bottom: 0;
}

.custom-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.section-dark .about-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 32px;
  align-items: center;
}

.about-media {
  min-height: 360px;
  background:
    linear-gradient(135deg, rgba(126, 152, 171, 0.2), rgba(255, 255, 255, 0.08)),
    linear-gradient(180deg, rgba(17, 24, 32, 0.4), rgba(17, 24, 32, 0.22));
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.18);
}

.stats-grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.stat-card {
  padding: 26px 22px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.1);
}

.stat-card strong {
  display: block;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 8px;
}

.stat-card span {
  color: rgba(234, 241, 246, 0.8);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 16px;
}

.timeline-compact {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.timeline-item {
  padding: 24px 20px 22px;
  border-radius: 22px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.timeline-step {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  margin-bottom: 16px;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
}

.quality-layout {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 30px;
  align-items: start;
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.certificate-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.certificate-box {
  min-height: 220px;
}

.inquiry-section {
  background:
    linear-gradient(135deg, rgba(79, 149, 195, 0.98), rgba(122, 187, 224, 0.94)),
    var(--surface-dark);
  color: #f3f7fa;
}

.inquiry-section .eyebrow {
  color: #9ec0d6;
}

.contact-section {
  max-width: 860px;
}

.contact-copy {
  max-width: 640px;
  margin-bottom: 0;
}

.inquiry-copy p {
  color: rgba(234, 241, 246, 0.8);
}

.contact-panel {
  display: grid;
  gap: 14px;
  margin: 28px 0;
}

.contact-panel-wide {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-panel article,
.wechat-panel {
  padding: 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}

.contact-panel span {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.62);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
}

.contact-panel a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-weight: 700;
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.contact-panel a:hover,
.contact-panel a:focus-visible {
  transform: translateY(-2px);
}

.contact-link-email:hover,
.contact-link-email:focus-visible {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.22);
}

.contact-link-whatsapp {
  background: linear-gradient(135deg, #25d366, #179c4a);
  border-color: rgba(37, 211, 102, 0.4);
  box-shadow: 0 14px 24px rgba(23, 156, 74, 0.28);
}

.contact-link-whatsapp:hover,
.contact-link-whatsapp:focus-visible {
  background: linear-gradient(135deg, #2be06d, #148b42);
  border-color: rgba(43, 224, 109, 0.46);
  box-shadow: 0 18px 28px rgba(23, 156, 74, 0.34);
}

.wechat-box {
  min-height: 220px;
  padding: 14px;
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.18);
  background:
    linear-gradient(135deg, rgba(126, 152, 171, 0.18), rgba(255, 255, 255, 0.08)),
    rgba(255, 255, 255, 0.04);
}

.wechat-panel-heading {
  margin-bottom: 18px;
}

.wechat-panel-heading strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.02rem;
  color: #fff;
}

.wechat-panel-heading p {
  margin: 0;
  color: rgba(234, 241, 246, 0.76);
  font-size: 0.95rem;
}

.wechat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.wechat-card {
  display: grid;
  gap: 12px;
}

.wechat-card-label {
  text-align: center;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.92rem;
  font-weight: 700;
}

.wechat-card .wechat-box {
  min-height: 0;
  aspect-ratio: 1 / 1;
}

.wechat-card .qr-image {
  width: 100%;
  height: 100%;
  padding: 8px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border-radius: 22px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  border: 0;
  background: transparent;
  text-align: left;
  color: var(--text);
}

.faq-symbol {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(41, 87, 114, 0.08);
  color: var(--primary-strong);
  transition: transform 0.2s ease;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease;
}

.faq-answer p {
  margin: 0;
  padding: 0 24px 24px;
  color: var(--text-soft);
}

.faq-item.is-open .faq-symbol {
  transform: rotate(45deg);
}

.site-footer {
  background: linear-gradient(180deg, #5b9fcc, #4388b6);
  color: #edf4f8;
  padding: 28px 0 18px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 28px;
  padding: 24px 0;
}

.site-footer p,
.site-footer a {
  color: rgba(237, 244, 248, 0.76);
}

.site-footer h2,
.site-footer h3 {
  margin: 0 0 12px;
}

.site-footer a {
  display: block;
  margin-bottom: 10px;
}

.footer-bottom {
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom p {
  margin: 0;
  font-size: 0.9rem;
}

.js-ready .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.js-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .hero-grid,
  .split-section,
  .section-dark .about-grid,
  .quality-layout {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    grid-template-columns: 1fr;
    column-gap: 0;
    row-gap: 0;
  }

  .hero-copy .eyebrow,
  .hero-copy h1,
  .hero-copy .hero-text,
  .hero-copy .hero-points,
  .hero-copy .hero-actions {
    grid-column: 1;
  }

  .timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .proof-grid,
  .stats-grid,
  .four-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .section-padding {
    padding: 72px 0;
  }

  .header-inner {
    min-height: 74px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .js-ready .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 14px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(20, 33, 45, 0.08);
    box-shadow: var(--shadow);
  }

  .js-ready .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 12px 10px;
    border-radius: 14px;
  }

  .site-nav a:hover,
  .site-nav a:focus-visible {
    background: rgba(41, 87, 114, 0.06);
  }

  .nav-cta {
    margin-top: 6px;
  }

  .hero::before {
    width: 84vw;
    height: 84vw;
    inset: 32px -16vw auto auto;
    transform: none;
  }

  .hero-trust,
  .visual-stats,
  .six-grid,
  .product-grid,
  .custom-grid,
  .quality-grid,
  .certificate-panel,
  .footer-grid,
  .contact-panel-wide,
  .wechat-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 620px) {
  :root {
    --container: min(100% - 24px, 1180px);
  }

  .section-padding {
    padding: 62px 0;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 10vw, 3.4rem);
  }

  .section-heading h2 {
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }

  .hero-actions,
  .hero-points {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .proof-grid,
  .stats-grid,
  .four-grid,
  .timeline,
  .contact-panel-wide {
    grid-template-columns: 1fr;
  }

  .visual-stage {
    padding: 22px;
  }

  .hero-slider {
    height: clamp(220px, 56vw, 320px);
  }

  .factory-video {
    height: clamp(220px, 58vw, 320px);
  }

  .placeholder-tall {
    height: min(46vh, 320px);
    min-height: auto;
  }

  .product-media.has-image {
    padding: 12px;
  }

  .about-media,
  .certificate-box,
  .wechat-box {
    min-height: 180px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .js-ready .reveal {
    opacity: 1;
    transform: none;
  }
}