:root {
  --ink: #111318;
  --ink-soft: #1b1e24;
  --paper: #f7f7f4;
  --paper-deep: #ecebe6;
  --white: #ffffff;
  --brass: #c7a35a;
  --brass-light: #e1c680;
  --brass-dark: #82652c;
  --muted: #666b73;
  --line: rgba(17, 19, 24, 0.12);
  --radius: 24px;
  --shadow: 0 24px 70px rgba(17, 19, 24, 0.10);
  --max: 1180px;
  --font-sans: "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", sans-serif;
  --font-display: "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: -.006em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; }

.skip-link { position: fixed; top: 8px; left: 8px; transform: translateY(-140%); background: var(--white); padding: 10px 14px; z-index: 100; border-radius: 8px; }
.skip-link:focus { transform: none; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.eyebrow { margin: 0 0 14px; color: var(--brass-dark); font-size: .75rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.08; letter-spacing: -.045em; text-wrap: balance; }
h1 { font-size: clamp(3.2rem, 7.5vw, 7rem); margin: 0; font-weight: 700; }
h2 { font-size: clamp(2.15rem, 4.6vw, 4.35rem); margin: 0 0 24px; }
h3 { font-size: clamp(1.3rem, 2vw, 1.85rem); margin: 0 0 12px; letter-spacing: -.03em; }
p { text-wrap: pretty; }
.lede { font-size: clamp(1.05rem, 1.45vw, 1.25rem); line-height: 1.6; letter-spacing: -.012em; color: var(--muted); max-width: 720px; }
.measure { max-width: 760px; }

.announcement-bar { min-height: 34px; display: grid; place-items: center; background: #050506; color: var(--white); font-size: .76rem; font-weight: 600; letter-spacing: .02em; }
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(255,255,255,.98); color: var(--ink); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(17,19,24,.09); }
.nav-wrap { min-height: 78px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: flex-start; width: 174px; height: 44px; overflow: hidden; text-decoration: none; }
.brand img { width: 100%; height: 100%; flex: none; object-fit: contain; }
.site-header .brand { grid-column: 2; grid-row: 1; transform: translate(10px, 4px); }
.site-header .brand img { filter: none; opacity: 1; }
.nav-links { grid-column: 1; grid-row: 1; display: flex; align-items: center; gap: 23px; white-space: nowrap; }
.nav-links a { position: relative; padding: 28px 0 25px; text-decoration: none; font-size: .82rem; font-weight: 500; letter-spacing: .004em; color: #2e3137; }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 23px; height: 1px; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { transform: scaleX(1); }
.header-actions { grid-column: 3; grid-row: 1; display: flex; justify-content: flex-end; align-items: center; gap: 17px; }
.header-actions a { width: 21px; height: 21px; color: #17191d; transition: opacity .2s ease; }
.header-actions a:hover { opacity: .55; }
.header-actions svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); background: transparent; color: var(--ink); }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 22px; border-radius: 999px; border: 1px solid transparent; text-decoration: none; font-size: .9rem; font-weight: 700; letter-spacing: .005em; transition: transform .2s ease, background .2s ease, color .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--brass); color: var(--ink); box-shadow: 0 8px 24px rgba(130,101,44,.18); }
.btn-primary:hover { background: var(--brass-light); }
.btn-dark { background: var(--ink); color: var(--white); }
.btn-outline { border-color: currentColor; background: transparent; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.hero { position: relative; overflow: hidden; background: linear-gradient(135deg, #0d0f13 0%, #181b22 58%, #121419 100%); color: var(--white); min-height: min(860px, 88vh); display: grid; align-items: center; }
.hero::before { content: ""; position: absolute; width: 720px; height: 720px; border-radius: 50%; right: -170px; top: -180px; background: radial-gradient(circle, rgba(199,163,90,.22), transparent 66%); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; padding: 90px 0; }
.hero h1 em { color: var(--brass-light); font-style: normal; }
.hero .lede { color: rgba(255,255,255,.7); }
.hero-product { position: relative; background: linear-gradient(145deg, #25272c, #0c0e12); border: 1px solid rgba(255,255,255,.07); border-radius: 44px; padding: 34px; box-shadow: 0 40px 120px rgba(0,0,0,.42); transform: rotate(1deg); }
.hero-product img { width: 100%; aspect-ratio: 1/1; object-fit: cover; border-radius: 28px; }
.hero-badge { position: absolute; left: -28px; bottom: 44px; width: 126px; height: 126px; border-radius: 50%; display: grid; place-items: center; text-align: center; background: var(--brass); color: var(--ink); font-weight: 800; line-height: 1.15; letter-spacing: -.02em; box-shadow: var(--shadow); }
.trust-strip { background: #0a0c0f; color: var(--white); border-top: 1px solid rgba(255,255,255,.07); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 24px; border-right: 1px solid rgba(255,255,255,.1); }
.trust-item:last-child { border-right: 0; }
.trust-item strong { display: block; color: var(--brass-light); font-size: 1.05rem; font-weight: 700; letter-spacing: -.015em; }
.trust-item span { font-size: .86rem; color: rgba(255,255,255,.62); }

.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 46px; }
.section-heading .lede { margin: 0; }
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.product-card { position: relative; overflow: hidden; min-height: 680px; border-radius: var(--radius); background: var(--ink); color: var(--white); box-shadow: var(--shadow); }
.product-card img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; opacity: .78; transition: transform .6s ease; }
.product-card:hover img { transform: scale(1.025); }
.product-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.02) 28%, rgba(0,0,0,.88) 100%); }
.product-card-content { position: absolute; z-index: 2; left: 0; right: 0; bottom: 0; padding: 42px; }
.product-card-content p { color: rgba(255,255,255,.72); max-width: 480px; }
.spec-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 24px; }
.spec-pill { padding: 7px 11px; border-radius: 999px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.16); font-size: .78rem; }

.feature-band { background: var(--paper-deep); border-top: 1px solid rgba(17,19,24,.04); border-bottom: 1px solid rgba(17,19,24,.04); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature { background: rgba(255,255,255,.72); border: 1px solid var(--line); border-radius: 20px; padding: 28px; }
.feature-number { display: block; color: var(--brass-dark); font-weight: 800; font-size: .76rem; letter-spacing: .12em; margin-bottom: 32px; }

.support-banner { position: relative; overflow: hidden; background: linear-gradient(135deg, #17191e 0%, #25221c 100%); color: var(--white); border: 1px solid rgba(199,163,90,.24); border-radius: 30px; padding: 54px; display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; box-shadow: 0 24px 70px rgba(17,19,24,.12); }
.support-banner::after { content: ""; position: absolute; width: 300px; height: 300px; right: -110px; top: -160px; border-radius: 50%; background: radial-gradient(circle, rgba(199,163,90,.20), transparent 68%); pointer-events: none; }
.support-banner > * { position: relative; z-index: 1; }
.support-banner .eyebrow { color: var(--brass-light); }
.support-banner h2 { font-size: clamp(2rem,4vw,4rem); margin-bottom: 12px; }
.support-banner p { margin: 0; max-width: 700px; color: rgba(255,255,255,.68); }
.support-banner .btn-dark { background: var(--brass); color: var(--ink); }
.support-banner .btn-dark:hover { background: var(--brass-light); }
.support-banner .btn-outline { border-color: rgba(255,255,255,.52); color: var(--white); }

.page-hero { background: linear-gradient(135deg, #0d0f13 0%, #1a1d24 100%); color: var(--white); padding: 108px 0 78px; }
.page-hero .lede { color: rgba(255,255,255,.68); }
.breadcrumbs { font-size: .84rem; color: rgba(255,255,255,.58); margin-bottom: 30px; }
.breadcrumbs a { color: inherit; }

.product-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; }
.product-hero-media { background: var(--white); padding: 18px; border-radius: 30px; box-shadow: var(--shadow); }
.product-hero-media img { width: 100%; aspect-ratio: 1/1; object-fit: cover; border-radius: 18px; }
.price { font-size: 1.25rem; font-weight: 900; color: var(--brass-light); margin: 18px 0 0; }
.mini-specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 28px 0; }
.mini-spec { background: rgba(255,255,255,.08); padding: 14px; border-radius: 12px; }
.mini-spec strong { display: block; color: var(--brass-light); font-size: 1.1rem; }
.mini-spec span { color: rgba(255,255,255,.58); font-size: .76rem; }
.amazon-group { display: flex; flex-wrap: wrap; gap: 10px; }
.amazon-group .btn { min-height: 46px; }

.copy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.copy-card { padding: 32px; background: var(--white); border-radius: 20px; border: 1px solid var(--line); }
.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.gallery img { width: 100%; border-radius: 18px; background: var(--white); }
.gallery img:first-child { grid-column: 1 / -1; }

.manual-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.manual-card { padding: 32px; border-radius: 22px; background: var(--white); border: 1px solid var(--line); }
.manual-card .model { color: var(--brass-dark); font-weight: 800; letter-spacing: .12em; font-size: .76rem; }
.language-list { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; list-style: none; }
.language-list li { padding: 5px 9px; border: 1px solid var(--line); border-radius: 999px; font-size: .78rem; }

.faq-list { display: grid; gap: 12px; }
details { background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 0 22px; }
summary { cursor: pointer; list-style: none; padding: 22px 36px 22px 0; font-weight: 800; position: relative; }
summary::after { content: "+"; position: absolute; right: 0; font-size: 1.4rem; color: var(--brass-dark); }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); margin: 0 0 22px; }
.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.video-card { background: var(--ink); color: var(--white); border-radius: 20px; overflow: hidden; }
.video-frame { aspect-ratio: 16/9; width: 100%; border: 0; display: block; }
.video-card h3 { padding: 20px; font-family: inherit; font-size: 1rem; }

.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 34px; }
.contact-card { background: linear-gradient(145deg, #14161b, #21242b); color: var(--white); border: 1px solid rgba(199,163,90,.18); border-radius: 24px; padding: 36px; }
.contact-card a { color: var(--brass-light); }
.form { display: grid; gap: 16px; }
.field { display: grid; gap: 7px; }
.field label { font-weight: 800; font-size: .88rem; }
.field input, .field textarea { width: 100%; border: 1px solid var(--line); border-radius: 12px; background: var(--white); padding: 14px 16px; color: var(--ink); }
.field textarea { min-height: 150px; resize: vertical; }

.prose { max-width: 820px; }
.prose h2 { font-size: 2.2rem; margin-top: 54px; }
.prose h3 { font-family: inherit; font-size: 1.1rem; margin-top: 32px; }
.prose p, .prose li { color: #4f545b; }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 38px; }

.site-footer { background: #0a0c0f; color: var(--white); padding: 70px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 44px; }
.footer-brand p { color: rgba(255,255,255,.56); max-width: 340px; }
.footer-brand .brand { width: 172px; height: 49px; margin-bottom: 10px; }
.footer-brand .brand img { filter: brightness(0) invert(1); opacity: .9; }
.footer-col h3 { font-family: inherit; font-size: .78rem; letter-spacing: .15em; text-transform: uppercase; color: var(--brass-light); }
.footer-col a { display: block; color: rgba(255,255,255,.68); text-decoration: none; margin: 9px 0; font-size: .9rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 60px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.45); font-size: .78rem; }

@media (max-width: 900px) {
  .nav-toggle { display: grid; place-items: center; }
  .nav-wrap { min-height: 66px; display: flex; justify-content: space-between; }
  .site-header .brand { width: 154px; height: 40px; transform: translateY(2px); }
  .header-actions { display: none; }
  .nav-links { position: absolute; left: 20px; right: 20px; top: 58px; padding: 12px 20px; background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 14px; display: none; flex-direction: column; align-items: stretch; gap: 0; }
  .nav-links a { padding: 13px 0; color: var(--ink); }
  .nav-links a::after { bottom: 8px; right: auto; width: 28px; }
  .nav-links[data-open="true"] { display: flex; }
  .hero-grid, .product-hero-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-grid { padding: 70px 0; }
  .hero-product { max-width: 620px; }
  .product-grid, .copy-grid, .manual-grid { grid-template-columns: 1fr; }
  .feature-grid, .values-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-item:nth-child(2) { border-right: 0; }
  .support-banner { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 26px, var(--max)); }
  .section { padding: 68px 0; }
  .section-heading { display: block; }
  .product-card { min-height: 570px; }
  .product-card-content { padding: 26px; }
  .feature-grid, .values-grid, .video-grid, .mini-specs { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .gallery img:first-child { grid-column: auto; }
  .support-banner { padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .hero-badge { left: -6px; bottom: 20px; width: 100px; height: 100px; font-size: .82rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}