:root {
  --bg: #f6f3ee;
  --ink: #101010;
  --muted: #666;
  --line: #ded8cf;
  --white: #fff;
  --dark: #111;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--ink); background: #fff; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(255, 255, 255, 0.88); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(0, 0, 0, 0.08); }
.nav { height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -0.02em; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 13px; background: var(--dark); color: #fff; }
.brand-sub { display: block; font-size: 12px; font-weight: 500; color: var(--muted); letter-spacing: 0; margin-top: 1px; }
.nav-links { display: flex; align-items: center; gap: 24px; font-size: 14px; font-weight: 650; color: #555; }
.nav-links a:hover { color: var(--ink); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; border-radius: 999px; padding: 13px 20px; font-size: 14px; font-weight: 800; border: 1px solid transparent; transition: 0.18s ease; cursor: pointer; }
.button:hover { transform: translateY(-2px); }
.button-dark { background: #111; color: #fff; }
.button-dark:hover { background: #2a2a2a; }
.button-light { background: #fff; color: #111; border-color: var(--line); }
.button-light:hover { border-color: #111; }
.mobile-toggle { display: none; border: 0; background: none; font-size: 28px; cursor: pointer; }
.mobile-menu { display: none; border-top: 1px solid rgba(0, 0, 0, 0.08); padding: 16px 0 22px; }
.mobile-menu a { display: block; padding: 10px 0; color: #555; font-weight: 650; }

.hero { position: relative; overflow: hidden; padding: 150px 0 90px; background: var(--bg); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: 0.15; background-image: linear-gradient(to right, #111 1px, transparent 1px), linear-gradient(to bottom, #111 1px, transparent 1px); background-size: 52px 52px; pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 54px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 8px 13px; margin-bottom: 24px; border-radius: 999px; background: rgba(255, 255, 255, 0.8); border: 1px solid var(--line); color: #555; font-size: 14px; font-weight: 700; }
h1 { max-width: 820px; font-size: clamp(46px, 8vw, 82px); line-height: 0.93; letter-spacing: -0.07em; font-weight: 800; }
.hero-copy { max-width: 680px; margin-top: 26px; color: #555; font-size: 21px; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.info-card { border-radius: 34px; background: #fff; border: 1px solid var(--line); padding: 16px; box-shadow: var(--shadow); }
.info-card-inner { border-radius: 25px; background: #111; color: #fff; padding: 28px; }
.card-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 20px; border-bottom: 1px solid rgba(255, 255, 255, 0.14); }
.small-muted { font-size: 14px; color: #a5a5a5; }
.card-title { font-size: 22px; font-weight: 800; letter-spacing: -0.03em; }
.card-symbol { font-size: 34px; }
.spec-list { display: grid; gap: 12px; padding: 24px 0; }
.spec-row { display: flex; justify-content: space-between; gap: 20px; padding: 16px; border: 1px solid rgba(255, 255, 255, 0.1); background: rgba(255, 255, 255, 0.04); border-radius: 18px; font-size: 14px; }
.spec-row span:first-child { color: #a5a5a5; }
.spec-row span:last-child { font-weight: 800; text-align: right; }
.fit-note { background: var(--bg); color: #111; border-radius: 20px; padding: 20px; }
.fit-note strong { display: block; margin-bottom: 8px; }
.fit-note p { color: #555; font-size: 14px; line-height: 1.6; }

section { padding: 92px 0; scroll-margin-top: 74px; }
.section-dark { background: #111; color: #fff; }
.section-bg { background: var(--bg); }
.section-label { display: inline-flex; padding: 6px 11px; margin-bottom: 18px; border: 1px solid var(--line); background: #fff; border-radius: 999px; color: #666; font-size: 12px; font-weight: 900; letter-spacing: 0.16em; text-transform: uppercase; }
.section-dark .section-label { color: #111; }
h2 { max-width: 780px; font-size: clamp(36px, 5vw, 56px); line-height: 1.02; letter-spacing: -0.055em; font-weight: 800; }
.section-copy { max-width: 760px; margin-top: 18px; color: #666; font-size: 18px; line-height: 1.7; }
.section-dark .section-copy { color: #c8c8c8; }
.cap-grid, .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.cap-card, .step-card { border: 1px solid #e6e2dc; background: #fff; border-radius: 28px; padding: 28px; box-shadow: 0 8px 30px rgba(0, 0, 0, 0.03); transition: 0.18s ease; }
.cap-card:hover, .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 22px; border-radius: 17px; background: #111; color: #fff; font-size: 22px; }
h3 { font-size: 21px; line-height: 1.2; letter-spacing: -0.03em; margin-bottom: 10px; }
.card-copy { color: #666; font-size: 15px; line-height: 1.65; }

.equipment-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, 0.72fr); gap: 76px; align-items: center; }
.equipment-copy .button { margin-top: 30px; }
.equipment-note { font-size: 16px; }
.video-card { width: min(100%, 460px); justify-self: end; border-radius: 34px; overflow: hidden; padding: 12px; background: #111; color: #fff; box-shadow: 0 28px 80px rgba(0, 0, 0, 0.18); }
.video-card video { display: block; width: 100%; aspect-ratio: 9 / 16; object-fit: cover; border-radius: 24px; background: #242424; }
.video-card figcaption { padding: 13px 8px 3px; color: #bdbdbd; font-size: 12px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }

.two-col, .quote-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 54px; align-items: start; }
.benefit-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.benefit { padding: 22px; border-radius: 24px; border: 1px solid rgba(255, 255, 255, 0.12); background: rgba(255, 255, 255, 0.045); font-weight: 800; }
.benefit span { display: block; margin-bottom: 14px; font-size: 22px; }
.product-panel, .not-panel { border: 1px solid var(--line); background: #fff; border-radius: 34px; padding: 26px; box-shadow: 0 8px 30px rgba(0, 0, 0, 0.03); }
.product-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.pill-item { display: flex; gap: 10px; padding: 14px; border-radius: 18px; background: #f7f7f7; color: #555; font-size: 14px; font-weight: 700; }
.pill-item span { color: #111; font-weight: 900; }
.not-panel { margin-top: 46px; display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 32px; align-items: start; }
.not-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.not-item { padding: 15px; border-radius: 18px; background: #f7f7f7; border: 1px solid #e9e9e9; color: #666; font-size: 14px; font-weight: 700; }
.step-number { color: #9a9a9a; font-size: 14px; font-weight: 900; margin-bottom: 42px; }
.quote-note { margin-top: 28px; border: 1px solid rgba(255, 255, 255, 0.12); background: rgba(255, 255, 255, 0.045); border-radius: 24px; padding: 22px; }
.quote-note strong { display: block; margin-bottom: 8px; }
.quote-note p { color: #c8c8c8; font-size: 15px; line-height: 1.65; }

form { background: #fff; color: #111; border-radius: 34px; padding: 30px; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
label { display: grid; gap: 8px; font-size: 14px; font-weight: 800; }
input, select, textarea { width: 100%; border: 1px solid #d7d7d7; border-radius: 17px; padding: 13px 15px; font: inherit; outline: none; background: #fff; }
input:focus, select:focus, textarea:focus { border-color: #111; }
textarea { min-height: 118px; resize: vertical; }
.full { grid-column: 1 / -1; }
.submit-button { width: 100%; margin-top: 22px; }
.submit-button:disabled { opacity: 0.65; cursor: wait; transform: none; }
.form-disclaimer { min-height: 18px; margin-top: 14px; color: #777; text-align: center; font-size: 12px; line-height: 1.5; }

footer { padding: 42px 0; background: #fff; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; border-top: 1px solid #e8e8e8; padding-top: 30px; }
.footer-title { font-weight: 900; margin-bottom: 4px; }
.footer-copy { color: #666; font-size: 14px; }
.legal { margin-top: 10px; color: #999; font-size: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; color: #666; font-size: 14px; font-weight: 700; }

@media (max-width: 1000px) {
  .nav-links { gap: 16px; font-size: 13px; }
}

@media (max-width: 900px) {
  .nav-links, .nav > .button { display: none; }
  .mobile-toggle { display: block; }
  .mobile-menu.open { display: block; }
  .hero-grid, .two-col, .quote-grid, .not-panel, .cap-grid, .steps-grid, .benefit-grid, .product-list, .not-grid, .form-grid, .equipment-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 120px; }
  .video-card { justify-self: center; margin-top: 8px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button, .cap-card, .step-card { transition: none; }
}