:root {
    --ink: #1d1d1f;
    --muted: #6e6e73;
    --line: rgba(0, 0, 0, .12);
    --blue: #0071e3;
    --page: #f5f5f7;
    --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro SC", "SF Pro Text", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--page); font-family: var(--font-sans); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { color: inherit; font: inherit; }

.skip-link { position: fixed; z-index: 200; top: 8px; left: 8px; padding: 10px 14px; border-radius: 999px; background: #fff; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; z-index: 100; top: 0; height: 52px; border-bottom: 1px solid rgba(0, 0, 0, .08); background: rgba(250, 250, 252, .86); backdrop-filter: saturate(180%) blur(20px); }
.header-inner { position: relative; display: flex; align-items: center; width: min(1200px, calc(100% - 40px)); height: 100%; margin: 0 auto; }
.brand { display: inline-flex; align-items: center; gap: 9px; flex: 0 0 auto; font-weight: 650; letter-spacing: -.02em; }
.brand-logo { display: block; width: 150px; height: 35px; object-fit: contain; object-position: left center; }
.brand-logo[hidden] { display: none; }
.brand-fallback { display: inline-flex; align-items: center; gap: 9px; }
.brand-fallback[hidden] { display: none; }
.brand-mark { display: grid; width: 25px; height: 25px; place-items: center; border-radius: 8px; color: #fff; background: #111; font-size: 14px; font-weight: 750; }
.brand-name { font-size: 16px; }
.primary-navigation { margin: 0 auto; }
.nav-list { display: flex; align-items: stretch; gap: 15px; height: 52px; margin: 0; padding: 0; list-style: none; }
.nav-item { position: relative; display: flex; align-items: center; }
.nav-item > a { display: flex; align-items: center; height: 100%; padding: 0 13px; color: #333336; font-size: 12px; white-space: nowrap; transition: color .2s ease; }
.nav-item > a:hover, .nav-item:focus-within > a { color: #000; }
.has-menu > a::after { position: absolute; bottom: -4px; left: 50%; width: 9px; height: 9px; background: #fff; box-shadow: -1px -1px 0 rgba(0, 0, 0, .08); content: ""; opacity: 0; transform: translateX(-50%) rotate(45deg); transition: opacity .16s ease; }
.nav-item:hover > a::after, .nav-item:focus-within > a::after { opacity: 1; }
.nav-panel { position: fixed; top: 52px; left: 0; width: 100vw; padding: 0 24px 30px; border-top: 1px solid rgba(0, 0, 0, .06); border-bottom: 1px solid rgba(0, 0, 0, .1); background: rgba(255, 255, 255, .99); box-shadow: 0 22px 46px rgba(0, 0, 0, .1); opacity: 0; pointer-events: none; visibility: hidden; transform: translateY(-8px); transition: opacity .18s ease, transform .18s ease, visibility .18s; }
.nav-item:hover .nav-panel, .nav-item:focus-within .nav-panel { opacity: 1; pointer-events: auto; visibility: visible; transform: translateY(0); }
.nav-panel-inner { width: min(1200px, 100%); margin: 0 auto; padding-top: 24px; }
.nav-panel-title { margin: 0 0 14px; color: #6e6e73; font-size: .875rem; font-weight: 500; letter-spacing: .01em; }
.nav-product-cards { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 28px; margin: 0; padding: 0; list-style: none; }
.nav-product-cards-four, .nav-product-cards-desktop { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.nav-product-cards-desktop { row-gap: 22px; }
.nav-product-cards a { display: block; min-width: 0; padding-bottom: 10px; transition: background .18s ease; }
.nav-card-media { display: block; overflow: hidden; aspect-ratio: 25 / 18; background: #f5f5f7; }
.nav-product-cards-desktop .nav-card-media { aspect-ratio: 2 / 1; }
.nav-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s cubic-bezier(.2, .6, .2, 1); }
.nav-card-title { display: flex; align-items: center; justify-content: center; min-height: 42px; padding: 9px 8px 0; font-size: .875rem; font-weight: 650; line-height: 1.3; text-align: center; }
.nav-product-cards a:hover, .nav-product-cards a:focus-visible { background: #f2f2f2; outline: none; }
.nav-product-cards a:hover img, .nav-product-cards a:focus-visible img { transform: scale(1.025); }
.nav-about-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.nav-about-list a { display: flex; align-items: center; justify-content: space-between; min-height: 43px; padding: 7px 9px; border-bottom: 1px solid var(--line); font-size: .875rem; font-weight: 650; transition: color .16s ease, background .16s ease; }
.nav-about-list a::after { margin-left: 14px; content: "→"; font-size: 15px; font-weight: 400; }
.nav-about-list a:hover, .nav-about-list a:focus-visible { color: #fff; background: #1d1d1f; outline: none; }
.nav-about-list a:hover::after, .nav-about-list a:focus-visible::after { color: #f5d328; }
.nav-about-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 50px; }
.nav-about-grid section { min-width: 0; }
.header-actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.header-icon-list { display: flex; align-items: center; gap: 2px; margin: 0; padding: 0; list-style: none; }
.header-icon-list li { display: flex; }
.header-icon-link { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; color: #1d1d1f; transition: color .2s ease, background .2s ease, transform .2s ease; }
.header-icon-link svg { fill: none; stroke: currentColor; stroke-width: 1; stroke-linecap: round; stroke-linejoin: round; }
.header-icon-link:hover, .header-icon-link:focus-visible { color: #000; background: rgba(0, 0, 0, .08); }
.header-icon-link:hover svg { transform: scale(1.06); }
.header-cta { flex: 0 0 auto; padding: 7px 20px; border-radius: 999px; color: #fff; background: var(--blue); font-size: 12px; font-weight: bold; }
.menu-toggle { display: none; width: 36px; height: 36px; margin-left: 4px; padding: 0; border: 0; background: transparent; cursor: pointer; }
.menu-toggle span { position: absolute; left: 9px; width: 18px; height: 1px; background: #1d1d1f; transition: transform .2s ease, top .2s ease; }
.menu-toggle span:first-child { top: 14px; }
.menu-toggle span:last-child { top: 21px; }
.menu-toggle[aria-expanded="true"] span:first-child { top: 18px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { top: 18px; transform: rotate(-45deg); }

.intro { display: grid; min-height: 340px; padding: 80px 24px 68px; place-items: center; align-content: center; text-align: center; background: #fff; }
.eyebrow { margin: 0 0 20px; color: var(--muted); font-size: .875rem; font-weight: 650; letter-spacing: .06em; }
.intro h1 { max-width: 900px; margin: 0; font-size: 2.8rem; line-height: .98; letter-spacing: -.065em; }
.intro h1, .feature-copy h2, .section-heading h2, .product-copy h3 { overflow-wrap: anywhere; text-wrap: balance; }
.intro > p:not(.eyebrow) { max-width: 700px; margin: 24px 0 0; color: var(--muted); font-size: 1rem; line-height: 1.5; letter-spacing: -.02em; }
.text-link { margin-top: 24px; color: var(--blue); font-size: 1rem; }
.text-link:hover, .text-link:focus-visible { text-decoration: underline; }

.feature { position: relative; min-height: min(820px, calc(100vh - 52px)); margin-top: 12px; overflow: hidden; background: #f4eee8; }
.feature-blue { background: #dfe8ef; }
.feature-natural { background: #e7ded0; }
.feature-copy { position: relative; z-index: 2; width: min(860px, calc(100% - 40px)); margin: 0 auto; padding: 80px 20px 24px; text-align: center; }
.feature-copy h2 { margin: 0; font-size: 2.8rem; line-height: 1.04; letter-spacing: -.055em; }
.feature-copy > p:not(.eyebrow) { max-width: 720px; margin: 25px auto 0; color: #4d4d50; font-size: 1rem; line-height: 1.5; }
.feature-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 5px; margin: 20px 0 0; color: #515154; }
.feature-tags span { scroll-margin-top: 96px; font-size: 13px; font-weight: 550; }
.feature-tags span:not(:last-child)::after { margin-left: 10px; color: rgba(0, 0, 0, .28); content: "·"; }
.pill-link { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; margin-top: 22px; padding: 0 30px; border-radius: 999px; color: #fff; background: var(--blue); font-size: 1rem; transition: transform .2s ease, background .2s ease; }
.pill-link:hover, .pill-link:focus-visible { background: #0077ed; transform: translateY(-1px); }
.feature-visual { position: absolute; inset: 0; display: block; }
.feature-visual::after { position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(255, 255, 255, .98) 0, rgba(255, 255, 255, .78) 25%, rgba(255, 255, 255, 0) 53%); content: ""; pointer-events: none; }
.feature-blue .feature-visual::after { background: linear-gradient(to bottom, rgba(223, 232, 239, 1) 0, rgba(223, 232, 239, .78) 25%, rgba(223, 232, 239, 0) 53%); }
.feature-natural .feature-visual::after { background: linear-gradient(to bottom, rgba(231, 222, 208, 1) 0, rgba(231, 222, 208, .78) 25%, rgba(231, 222, 208, 0) 53%); }
.feature-visual img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

.desktop-section { padding: 94px 12px 12px; }
.section-heading { width: min(860px, calc(100% - 40px)); margin: 0 auto 48px; text-align: center; }
.section-heading h2 { margin: 0; font-size: 2.8rem; line-height: 1.04; letter-spacing: -.055em; }
.section-heading > p:not(.eyebrow) { margin: 20px 0 0; color: var(--muted); font-size: 1rem; }
.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; width: min(1600px, 100%); margin: 0 auto; }
.product-card { position: relative; min-height: 690px; overflow: hidden; background: #fff; scroll-margin-top: 64px; }
.product-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2, .6, .2, 1); }
.product-card:hover img { transform: scale(1.018); }
.product-copy { position: absolute; z-index: 2; top: 0; left: 0; width: 100%; padding: 38px 24px 20px; text-align: center; background: linear-gradient(to bottom, rgba(250, 248, 245, .98), rgba(250, 248, 245, .86) 62%, rgba(250, 248, 245, 0)); }
.product-copy p { margin: 0 0 12px; color: var(--muted); font-size: .8rem; font-weight: 650; }
.product-copy h3 { margin: 0; font-size: 2rem; line-height: 1.08; letter-spacing: -.045em; }
.product-copy a { display: inline-block; margin-top: 15px; color: var(--blue); font-size: 1rem; }
.product-copy a:hover, .product-copy a:focus-visible { text-decoration: underline; }

.process-section { padding: 96px 24px 100px; background: #fff; }
.process-heading { width: min(860px, 100%); margin: 0 auto 46px; text-align: center; }
.process-heading h2 { margin: 0; font-size: 2.8rem; line-height: 1.04; letter-spacing: -.055em; text-wrap: balance; }
.process-heading > p:not(.eyebrow) { margin: 20px 0 0; color: var(--muted); font-size: 1rem; line-height: 1.55; }
.process-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; width: min(1200px, 100%); margin: 0 auto; padding: 0; list-style: none; }
.process-steps li { display: grid; grid-template-columns: 50px 1fr; gap: 16px; min-height: 174px; padding: 30px; border-radius: 24px; background: #f5f5f7; }
.process-steps li > span { color: var(--blue); font-size: 15px; font-weight: 700; letter-spacing: .04em; }
.process-steps h3 { margin: 0; font-size: 1.2rem; line-height: 1.15; letter-spacing: -.035em; }
.process-steps p { margin: 12px 0 0; color: var(--muted); font-size: 15px; line-height: 1.6; }
.service-assurances { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 28px; width: min(900px, 100%); margin: 34px auto 0; color: #515154; font-size: 14px; font-weight: 600; }
.service-assurances span::before { margin-right: 8px; color: var(--blue); content: "✓"; }

.service-note { display: grid; justify-items: center; margin-top: 12px; padding: 90px 24px 96px; color: #f5f5f7; background: #1d1d1f; text-align: center; }
.service-note p { margin: 0; font-size: 2.8rem; font-weight: 700; letter-spacing: -.05em; }
.service-note span { max-width: 680px; margin: 20px 0 0; color: #a1a1a6; font-size: 1rem; line-height: 1.6; }
.pill-link-dark { color: #1d1d1f; background: #f5f5f7; }
.pill-link-dark:hover, .pill-link-dark:focus-visible { background: #fff; }

.site-footer { padding: 58px 24px 24px; color: #d2d2d7; background: #111; }
.footer-inner { width: min(1200px, 100%); margin: 0 auto; }
.brand-footer { color: #fff; }
.brand-footer .brand-mark { color: #111; background: #fff; }
.footer-brand p { max-width: 420px; margin: 18px 0 0; color: #86868b; font-size: 14px; line-height: 1.65; }
.footer-navigation { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 36px; margin-top: 52px; padding-top: 38px; border-top: 1px solid #333; }
.footer-navigation section { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-navigation h2 { margin: 0 0 5px; color: #f5f5f7; font-size: 13px; }
.footer-navigation a { color: #a1a1a6; font-size: 12px; line-height: 1.35; }
.footer-navigation a:hover, .footer-navigation a:focus-visible { color: #fff; text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 48px; padding-top: 20px; border-top: 1px solid #333; color: #86868b; font-size: 12px; }
.footer-bottom span:last-child { display: flex; gap: 20px; }

@media (max-width: 1040px) {
    .header-inner { width: calc(100% - 28px); }
    .header-actions { margin-left: auto; }
    .primary-navigation { position: absolute; top: 52px; left: 50%; display: none; width: 100vw; height: calc(100vh - 52px); overflow-y: auto; padding: 18px 24px 60px; background: #fff; transform: translateX(-50%); }
    .primary-navigation.is-open { display: block; }
    .nav-list { display: block; height: auto; }
    .nav-item { display: block; padding: 17px 0; border-bottom: 1px solid var(--line); }
    .nav-item > a { height: auto; padding: 0; font-size: 26px; font-weight: 650; letter-spacing: -.035em; }
    .has-menu > a::after { display: none; }
    .nav-panel { position: static; width: auto; padding: 14px 0 0; border: 0; background: transparent; box-shadow: none; opacity: 1; pointer-events: auto; visibility: visible; transform: none; }
    .nav-item:hover .nav-panel, .nav-item:focus-within .nav-panel { transform: none; }
    .nav-panel-inner { width: auto; padding: 0; }
    .nav-panel-title { display: none; }
    .nav-about-grid { display: block; }
    .nav-about-grid section { display: contents; }
    .nav-product-cards, .nav-about-list { display: grid; grid-template-columns: 1fr; gap: 0; border-top: 0; }
    .nav-product-cards a, .nav-about-list a { min-height: 0; padding: 5px 0; border-bottom: 0; color: var(--muted); font-size: 15px; font-weight: 450; }
    .nav-card-media, .nav-about-list a::after { display: none; }
    .nav-card-title { display: block; min-height: 0; padding: 0; font-size: inherit; font-weight: inherit; line-height: inherit; text-align: left; }
    .nav-product-cards a:hover, .nav-product-cards a:focus-visible, .nav-about-list a:hover, .nav-about-list a:focus-visible { color: var(--blue); background: transparent; }
    .menu-toggle { position: relative; display: block; }
    .header-cta { margin-left: 8px; }
    .footer-navigation { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
    .site-header { height: 48px; }
    .primary-navigation { top: 48px; height: calc(100vh - 48px); }
    .brand-logo { width: 150px; height: 32px; }
    .brand-name { font-size: 15px; }
    .header-cta { display: none; }
    .intro { min-height: 300px; padding: 66px 24px 58px; }
    .intro h1 { width: 100%; font-size: 2.8rem; line-height: 1.02; letter-spacing: -.055em; }
    .feature { min-height: 680px; }
    .feature-copy { padding: 80px 20px 24px; }
    .feature-copy h2 { width: 100%; font-size: 2.8rem; line-height: 1.06; letter-spacing: -.05em; }
    .feature-copy > p:not(.eyebrow) { margin: 25px auto 0; font-size: 1rem; }
    .feature-tags { gap: 5px; margin: 20px 0 0; }
    .feature-tags span { font-size: 12px; }
    .feature-tags span:not(:last-child)::after { margin-left: 8px; }
    .feature-visual img { object-position: center bottom; }
    .feature-visual::after { background: linear-gradient(to bottom, rgba(255, 255, 255, 1) 0, rgba(255, 255, 255, .9) 40%, rgba(255, 255, 255, 0) 68%); }
    .feature-blue .feature-visual::after { background: linear-gradient(to bottom, rgba(223, 232, 239, 1) 0, rgba(223, 232, 239, .92) 40%, rgba(223, 232, 239, 0) 68%); }
    .feature-natural .feature-visual::after { background: linear-gradient(to bottom, rgba(231, 222, 208, 1) 0, rgba(231, 222, 208, .92) 40%, rgba(231, 222, 208, 0) 68%); }
    .desktop-section { padding-top: 72px; }
    .section-heading { margin-bottom: 36px; }
    .product-grid { grid-template-columns: 1fr; }
    .product-card { min-height: 450px; }
    .product-copy { padding-top: 30px; }
    .product-copy h3 { font-size: 2rem; }
    .process-section { padding: 72px 24px 76px; }
    .process-heading { margin-bottom: 34px; }
    .process-heading h2 { font-size: 2.8rem; }
    .process-steps { grid-template-columns: 1fr; gap: 10px; }
    .process-steps li { min-height: 0; padding: 22px; border-radius: 20px; }
    .process-steps h3 { font-size: 1.2rem; }
    .process-steps p { margin-top: 7px; font-size: 14px; }
    .service-assurances { justify-content: flex-start; gap: 10px 20px; margin-top: 28px; padding-left: 6px; }
    .footer-navigation { grid-template-columns: 1fr 1fr; gap: 34px 24px; }
    .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
