/* ========== RESET & BASE ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --black: #000000;
  --light-gray: #f5f5f7;
  --near-black: #1d1d1f;
  --apple-blue: #0071e3;
  --link-blue: #0066cc;
  --bright-blue: #2997ff;
  --white: #ffffff;
  --text-secondary: rgba(0, 0, 0, 0.8);
  --text-tertiary: rgba(0, 0, 0, 0.48);
  --dark-surface-1: #272729;
  --dark-surface-3: #28282a;
  --card-shadow: rgba(0, 0, 0, 0.22) 3px 5px 30px 0px;
  --nav-bg: rgba(0, 0, 0, 0.8);
  --overlay: rgba(210, 210, 215, 0.64);
}

html { scroll-behavior: smooth; }

body {
  font-family: "SF Pro Text", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.47;
  letter-spacing: -0.374px;
  color: var(--near-black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========== TYPOGRAPHY ========== */
.display-hero {
  font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 56px; font-weight: 600; line-height: 1.07; letter-spacing: -0.28px;
}
.section-heading {
  font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 40px; font-weight: 600; line-height: 1.10; letter-spacing: normal;
}
.tile-heading {
  font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 28px; font-weight: 400; line-height: 1.14; letter-spacing: 0.196px;
}
.card-title {
  font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 21px; font-weight: 700; line-height: 1.19; letter-spacing: 0.231px;
}
.sub-heading {
  font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 21px; font-weight: 400; line-height: 1.19; letter-spacing: 0.231px;
}
.body-emphasis { font-size: 17px; font-weight: 600; line-height: 1.24; letter-spacing: -0.374px; }
.caption { font-size: 14px; font-weight: 400; line-height: 1.29; letter-spacing: -0.224px; }
.caption-bold { font-size: 14px; font-weight: 600; line-height: 1.29; letter-spacing: -0.224px; }
.micro { font-size: 12px; font-weight: 400; line-height: 1.33; letter-spacing: -0.12px; }

/* ========== NAVIGATION ========== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: 48px;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  display: flex; align-items: center; justify-content: center;
}
.nav-inner {
  width: 100%; max-width: 980px; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 17px; font-weight: 600; color: var(--white);
  letter-spacing: -0.28px; text-decoration: none;
}
.nav-logo span { color: var(--bright-blue); }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  color: var(--white); text-decoration: none;
  font-size: 12px; font-weight: 400; line-height: 1.33; letter-spacing: -0.12px;
  opacity: 0.8; transition: opacity 0.3s;
}
.nav-links a:hover { opacity: 1; }
.nav-cta {
  background: var(--apple-blue); color: var(--white) !important;
  padding: 4px 14px; border-radius: 980px;
  font-size: 12px !important; opacity: 1 !important;
  transition: background 0.3s;
}
.nav-cta:hover { background: #0077ED; }
.nav-mobile-toggle { display: none; background: none; border: none; cursor: pointer; }

/* ========== BUTTONS ========== */
.btn-primary {
  display: inline-block;
  background: var(--apple-blue); color: var(--white);
  padding: 8px 15px; border-radius: 8px;
  font-size: 17px; font-weight: 400; line-height: 1;
  text-decoration: none; border: 1px solid transparent;
  cursor: pointer; transition: background 0.3s;
}
.btn-primary:hover { background: #0077ED; }

.btn-dark {
  display: inline-block;
  background: var(--near-black); color: var(--white);
  padding: 8px 15px; border-radius: 8px;
  font-size: 17px; font-weight: 400; line-height: 1;
  text-decoration: none; border: 1px solid transparent;
  cursor: pointer; transition: background 0.3s;
}
.btn-dark:hover { background: #333; }

.btn-pill {
  display: inline-block;
  background: transparent; color: var(--link-blue);
  padding: 8px 20px; border-radius: 980px;
  font-size: 17px; font-weight: 400; line-height: 1;
  text-decoration: none;
  border: 1px solid var(--link-blue);
  cursor: pointer; transition: all 0.3s;
}
.btn-pill:hover { text-decoration: underline; }
.btn-pill.on-dark { color: var(--bright-blue); border-color: var(--bright-blue); }
.btn-pill.on-dark:hover { color: var(--white); border-color: var(--white); }

.cta-group { display: flex; gap: 14px; align-items: center; justify-content: center; flex-wrap: wrap; }

/* ========== SECTIONS ========== */
.section { width: 100%; overflow: hidden; }
.section-dark { background: var(--black); color: var(--white); }
.section-light { background: var(--light-gray); color: var(--near-black); }
.section-white { background: var(--white); color: var(--near-black); }

.section-inner {
  max-width: 980px; margin: 0 auto; padding: 80px 20px;
  text-align: center;
}

/* ========== HERO ========== */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  position: relative; padding-top: 48px;
}
.hero-content { text-align: center; }
.hero-subtitle {
  font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 21px; font-weight: 400; line-height: 1.19; letter-spacing: 0.231px;
  margin-top: 10px; opacity: 0.85;
}
.hero .cta-group { margin-top: 28px; }
.hero-product {
  margin-top: 50px; width: 100%; max-width: 720px;
  display: flex; align-items: center; justify-content: center;
}
.hero-product svg { width: 100%; height: auto; }

/* ========== PRODUCT GRID ========== */
.product-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px; margin-top: 50px;
}
.product-card {
  background: var(--white); border-radius: 8px;
  overflow: hidden; text-align: center;
  transition: transform 0.3s ease;
}
.section-dark .product-card { background: var(--dark-surface-1); }
.product-card:hover { transform: translateY(-4px); }
.product-card-image {
  width: 100%; aspect-ratio: 1 / 1;
  display: flex; align-items: center; justify-content: center;
  padding: 30px;
}
.product-card-image svg { width: 70%; height: 70%; }
.product-card-body { padding: 20px 24px 28px; }
.product-card-body h3 { margin-bottom: 6px; }
.product-card-body p { color: var(--text-secondary); margin-bottom: 14px; }
.section-dark .product-card-body p { color: rgba(255,255,255,0.7); }
.product-card-links { display: flex; gap: 14px; justify-content: center; }
.product-card-links a {
  font-size: 14px; font-weight: 400; line-height: 1.43; letter-spacing: -0.224px;
  text-decoration: none; color: var(--link-blue);
}
.section-dark .product-card-links a { color: var(--bright-blue); }
.product-card-links a:hover { text-decoration: underline; }
.product-card-links a::after { content: " ›"; }

/* ========== FEATURES ========== */
.features-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 20px; margin-top: 50px; text-align: left;
}
.feature-card {
  background: var(--dark-surface-1); border-radius: 8px;
  padding: 40px 36px;
}
.feature-icon {
  width: 48px; height: 48px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center;
}
.feature-icon svg { width: 100%; height: 100%; }
.feature-card h3 { color: var(--white); margin-bottom: 10px; }
.feature-card p { color: rgba(255,255,255,0.7); font-size: 14px; line-height: 1.43; letter-spacing: -0.224px; }

/* ========== STATS ========== */
.stats-row {
  display: flex; justify-content: center; gap: 60px;
  margin-top: 50px; flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 56px; font-weight: 600; line-height: 1.07; letter-spacing: -0.28px;
  color: var(--apple-blue);
}
.stat-number.stat-service { font-size: 32px; line-height: 1.87; }
.stat-label {
  font-size: 14px; font-weight: 400; line-height: 1.29; letter-spacing: -0.224px;
  color: var(--text-tertiary); margin-top: 6px;
}

/* ========== OEM SECTION ========== */
.oem-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px; margin-top: 50px; text-align: center;
}
.oem-step {
  padding: 30px 20px;
}
.oem-step-number {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--apple-blue); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px;
  font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 21px; font-weight: 600;
}
.oem-step h3 {
  font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 21px; font-weight: 700; line-height: 1.19; letter-spacing: 0.231px;
  margin-bottom: 8px;
}
.oem-step p { font-size: 14px; color: var(--text-secondary); line-height: 1.43; letter-spacing: -0.224px; }

/* ========== ABOUT / FACTORY ========== */
.about-content {
  display: grid; grid-template-columns: 1fr 1fr; gap: 50px;
  margin-top: 50px; text-align: left; align-items: center;
}
.about-image {
  width: 100%; aspect-ratio: 2/1; background: var(--dark-surface-3);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.about-image svg { width: 60%; height: 60%; opacity: 0.5; }
.about-text h3 {
  font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 28px; font-weight: 400; line-height: 1.14; letter-spacing: 0.196px;
  color: var(--white); margin-bottom: 16px;
}
.about-text p {
  font-size: 17px; line-height: 1.47; letter-spacing: -0.374px;
  color: rgba(255,255,255,0.7); margin-bottom: 14px;
}

/* ========== CERTIFICATIONS ========== */
.cert-row {
  display: flex; justify-content: center; gap: 50px;
  margin-top: 40px; flex-wrap: wrap;
}
.cert-item {
  width: 100px; height: 100px;
  background: var(--white); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 6px;
}
.cert-item svg { width: 40px; height: 40px; }
.cert-item span { font-size: 10px; font-weight: 600; color: var(--near-black); letter-spacing: -0.08px; }

/* ========== CONTACT CTA ========== */
.contact-section {
  min-height: 60vh; display: flex; align-items: center; justify-content: center;
}
.contact-content { text-align: center; }
.contact-content .display-hero { margin-bottom: 14px; }
.contact-content .sub-heading { opacity: 0.85; margin-bottom: 28px; }
.contact-info {
  display: flex; gap: 40px; justify-content: center; margin-top: 40px; flex-wrap: wrap;
}
.contact-info-item {
  text-align: center;
}
.contact-info-item .caption-bold { color: rgba(255,255,255,0.5); margin-bottom: 4px; display: block; }
.contact-info-item .body-emphasis { color: var(--white); }

/* ========== FOOTER ========== */
.footer {
  background: var(--light-gray); padding: 30px 20px;
  text-align: center;
}
.footer-inner { max-width: 980px; margin: 0 auto; }
.footer-links {
  display: flex; gap: 24px; justify-content: center;
  list-style: none; margin-bottom: 14px;
}
.footer-links a {
  font-size: 12px; color: var(--text-secondary); text-decoration: none;
  letter-spacing: -0.12px;
}
.footer-links a:hover { color: var(--link-blue); }
.footer-copy {
  font-size: 12px; color: var(--text-tertiary); letter-spacing: -0.12px;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }
.hero-content { animation: fadeInUp 1s ease forwards; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .display-hero { font-size: 40px; }
  .section-heading { font-size: 32px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .oem-steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 834px) {
  .features-grid { grid-template-columns: 1fr; }
  .about-content { grid-template-columns: 1fr; }
  .stats-row { gap: 30px; }
  .stat-number { font-size: 40px; }
}

@media (max-width: 640px) {
  .display-hero { font-size: 28px; }
  .section-heading { font-size: 28px; }
  .tile-heading { font-size: 24px; }
  .product-grid { grid-template-columns: 1fr; }
  .oem-steps { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-mobile-toggle { display: block; }
  .section-inner { padding: 60px 20px; }
  .hero-subtitle { font-size: 17px; }
  .contact-info { flex-direction: column; gap: 20px; }
}

.hero-media { display:block; width:min(100%,720px); margin:40px auto 0; }
.hero-media video { width:100%; aspect-ratio:2/1; object-fit:contain; display:block; background:#000; border-radius:12px; }
.hero-media video[hidden], .hero-media [hidden] { display:none; }
.hero-media-actions { display:flex; justify-content:center; gap:14px; margin-top:14px; }
.hero-media-actions button { background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.2);border-radius:980px;padding:8px 16px;color:#a1a1a6;font:inherit;font-size:12px;cursor:pointer; }
.hero-media-actions button:hover {color:#fff;border-color:#2997ff;}
.hero-media-actions button:focus-visible {outline:2px solid #2997ff;outline-offset:4px;}
#hero-video-status {color:#a1a1a6;margin-top:8px;}
@media(max-width:640px){.hero-content{width:100%;padding:0 20px}.hero-media{margin-top:30px}.hero-media-actions{gap:8px}}

/* Factory section layout */
#about .about-content { grid-template-columns:1.15fr 1fr; gap:36px; align-items:start; margin-top:40px; }
#about .about-image { border:1px solid rgba(255,255,255,.12); }
#about .about-image video { display:block; }
#about .about-text h3 { font-weight:600;font-size:28px;line-height:1.2;margin:0 0 18px; }
#about .about-text p {font-size:16px;line-height:1.65;margin:0;}
.factory-details {display:grid;grid-template-columns:1.25fr 1fr;gap:24px;margin-top:32px;text-align:left;}
.factory-detail {padding:28px;background:#1d1d1f;border:1px solid rgba(255,255,255,.1);border-radius:12px;}
.factory-detail h3 {font-size:20px;line-height:1.3;font-weight:600;margin:0 0 14px;}
.factory-detail p {font-size:15px;line-height:1.65;color:rgba(255,255,255,.7);margin:0;}
.factory-visit {display:flex;flex-direction:column;align-items:flex-start;}
.factory-visit a {font-size:14px;padding:9px 16px;margin-top:24px;}
#about .cert-row {margin-top:32px!important;}
@media(max-width:834px){#about .about-content,.factory-details{grid-template-columns:1fr;}#about .about-content{gap:24px;}.factory-details{gap:16px;margin-top:24px;}}
@media(max-width:640px){.factory-detail{padding:24px;}#about .about-text h3{font-size:24px;}}

body{background:#f5f5f7;color:#1d1d1f}.nav-links{gap:22px}.page-main{max-width:1100px;margin:auto;padding:105px 28px 72px;min-height:70vh}.page-hero{max-width:800px;margin-bottom:38px}.page-hero h1{font-size:clamp(34px,5vw,56px);line-height:1.1;letter-spacing:-1.7px;margin:14px 0 20px}.page-hero p{font-size:20px;line-height:1.55;color:#57575d}.eyebrow{font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:#006bd8}.breadcrumbs{font-size:13px;color:#555;margin-bottom:28px}.breadcrumbs a{color:#006bd8}.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.content-card{background:#fff;padding:26px;border:1px solid #e1e1e5;border-radius:14px;display:flex;flex-direction:column;gap:14px}.content-card h2,.content-card h3{font-size:23px;line-height:1.25}.content-card p{color:#57575d;font-size:16px;line-height:1.65}.content-card .card-link{margin-top:auto;color:#006bd8;font-weight:600}.category-art{height:180px;display:flex;align-items:center;justify-content:center;background:#f5f5f7;border-radius:10px}.category-art svg{height:165px;width:165px}.category-art small{font-size:11px}.content-card button{font:inherit}.toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;padding:20px;background:#fff;border-radius:12px;margin-bottom:24px}.toolbar label{font-size:14px;font-weight:600}.toolbar select,.toolbar input{border:1px solid #bbb;border-radius:7px;padding:10px;font:inherit;max-width:100%;background:#fff}.reading{max-width:780px}.reading h2{font-size:28px;line-height:1.2;margin:35px 0 16px}.reading p,.reading li{font-size:18px;line-height:1.8;color:#45454b}.reading ul{padding-left:24px}.reading p{margin-bottom:16px}.note{padding:18px 22px;border-left:3px solid #0071e3;background:#eaf3ff;border-radius:0 8px 8px 0;font-size:15px;line-height:1.6;margin:24px 0;color:#30333a}.two-col{display:grid;grid-template-columns:1.45fr 1fr;gap:32px;align-items:start}.panel{padding:28px;background:#fff;border:1px solid #ddd;border-radius:14px}.panel h2{font-size:25px;margin-bottom:18px}.panel p{font-size:16px;line-height:1.65;margin-bottom:18px}.checklist{padding-left:22px;line-height:1.85;margin:16px 0}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.quiet-button{display:inline-block;padding:10px 15px;border:1px solid #bbb;background:white;border-radius:20px;color:#1d1d1f;font:inherit;cursor:pointer}.quiet-button:hover{border-color:#0071e3;color:#0071e3}.meta{font-size:13px;color:#626268;margin:18px 0}.toc{padding:22px;background:#fff;border:1px solid #ddd;border-radius:12px}.toc ul{padding-left:20px;line-height:1.9}.toc a{color:#006bd8}.related{margin-top:45px}.table-wrap{overflow-x:auto;margin:24px 0}.compare-table{border-collapse:collapse;width:100%;background:#fff;font-size:15px}.compare-table th,.compare-table td{padding:16px;border:1px solid #ddd;text-align:left;vertical-align:top;min-width:160px}.field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}.field label{font-size:14px;font-weight:600}.field input,.field select,.field textarea{padding:12px;border:1px solid #aaa;border-radius:8px;font:inherit;width:100%;background:white}.field textarea{min-height:120px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field small{font-size:13px;color:#555}.inquiry-summary{white-space:pre-wrap;overflow-wrap:anywhere;background:#f5f5f7;padding:20px;font-family:inherit;font-size:15px;line-height:1.6}.sticky-inquiry{position:sticky;top:75px}.product-card-body .caption{line-height:1.6}.product-card-image{height:240px}.product-card-body a{display:inline-block;color:#006bd8;margin-top:15px}.section-heading{text-wrap:balance}.section-inner .content-grid{margin-top:36px}.product-brief{max-width:740px;margin:30px auto 0;text-align:center;font-size:15px;line-height:1.6;color:#555}.footer-links{flex-wrap:wrap}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #0071e3;outline-offset:4px}[hidden]{display:none!important}.guide-table{width:100%;border-collapse:collapse}.guide-table td,.guide-table th{padding:12px;border:1px solid #ddd;text-align:left}.contact-status{position:fixed;bottom:26px;left:20px;max-width:320px;background:#1d1d1f;color:white;padding:16px;border-radius:10px;z-index:10001}.page-main .btn-primary{border:0;cursor:pointer;font:inherit}.empty-state{padding:35px;background:white;border-radius:12px}.category-label{font-size:12px;color:#626268;margin-top:8px;text-align:center}@media(max-width:834px){.content-grid{grid-template-columns:repeat(2,1fr)}.two-col{grid-template-columns:1fr}.sticky-inquiry{position:static}.nav-links{gap:14px}.nav-links a{font-size:12px}}@media(max-width:640px){.page-main{padding:85px 20px 55px}.content-grid{grid-template-columns:1fr}.page-hero p{font-size:18px}.content-card{padding:23px}.field-row{grid-template-columns:1fr}.panel{padding:22px}.product-card-image{height:185px}.product-card-image svg{height:145px;width:145px}.nav-links a{font-size:16px}.toolbar{align-items:stretch;flex-direction:column}.toolbar input,.toolbar select{width:100%}.reading p,.reading li{font-size:17px}.footer{padding-bottom:95px}.category-art{height:160px}}@media print{.nav,.footer,.actions,.contact-status,#contact-widget-auto{display:none!important}.page-main{padding:0;max-width:none}.content-grid{grid-template-columns:repeat(2,1fr)}body{background:white}.panel,.content-card{break-inside:avoid}.reading{max-width:none}a{color:inherit;text-decoration:none}.page-hero h1{font-size:32px}}
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