:root {
  color-scheme: light;
  --canvas: #fbf9f5;
  --surface: #fff;
  --primary: #6e473b;
  --ink: #2d241e;
  --muted: #7d7268;
  --line: #eae5dc;
  --gold: #d4a373;
  --clay: #c9815d;
  --green: #2e6f40;
  --shadow: 0 20px 56px rgba(64, 38, 27, .08);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--canvas); color: var(--ink); line-height: 1.6; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
:focus-visible { outline: 3px solid var(--clay); outline-offset: 4px; }
.skip { position: absolute; top: -60px; left: 12px; background: var(--surface); padding: 9px 14px; z-index: 30; }
.skip:focus { top: 8px; }
.wrap { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(251,249,245,.93); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(234,229,220,.92); }
.nav { display: flex; min-height: 72px; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 20px; font-weight: 800; letter-spacing: -.035em; white-space: nowrap; }
.brand img { width: 38px; height: 38px; border-radius: 10px; box-shadow: 0 5px 14px rgba(83,53,41,.14); }
.nav-links { display: flex; align-items: center; gap: clamp(16px, 2vw, 30px); font-size: 14px; font-weight: 650; }
.nav-links a:hover, .footer a:hover, .inline-link:hover { color: var(--clay); }
.language { border: 1px solid var(--line); border-radius: 999px; padding: 7px 12px; font-size: 13px; font-weight: 700; white-space: nowrap; }
.language:hover { background: #f4ede5; }

.eyebrow { margin: 0 0 20px; color: var(--primary); font-size: 12px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3 { color: var(--ink); line-height: 1.08; letter-spacing: -.048em; }
h1 { font-size: clamp(52px, 6.2vw, 88px); margin: 0; font-weight: 850; }
h2 { font-size: clamp(38px, 4.7vw, 60px); margin: 0 0 18px; font-weight: 830; }
h3 { font-size: clamp(21px, 2.2vw, 28px); margin: 0 0 10px; font-weight: 780; }
p { margin: 0 0 16px; }
.accent { color: var(--primary); }
.hero { position: relative; overflow: hidden; padding: clamp(72px, 10vw, 148px) 0 94px; }
.hero::before { content: ""; position: absolute; width: 800px; height: 800px; border-radius: 50%; background: radial-gradient(circle, rgba(212,163,115,.18), transparent 67%); top: -245px; right: -170px; pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: clamp(40px, 6vw, 92px); }
.hero-copy .lead { max-width: 580px; margin: 26px 0 27px; color: var(--muted); font-size: clamp(18px, 2vw, 21px); line-height: 1.55; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 13px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 11px 19px; border-radius: 14px; border: 1px solid transparent; font-size: 14px; font-weight: 790; line-height: 1.2; }
.button.primary { background: var(--primary); color: #fff; box-shadow: 0 9px 25px rgba(110,71,59,.18); }
.button.primary:hover { background: #55372e; }
.button.ghost { border-color: var(--line); background: rgba(255,255,255,.72); }
.button.ghost:hover { background: #fff; }
.aside-note { display: block; margin-top: 18px; color: var(--muted); font-size: 13px; }
.hero-art { position: relative; min-height: 590px; display: flex; justify-content: center; align-items: center; }
.hero-art::before { content: ""; position: absolute; width: 90%; height: 77%; border-radius: 50%; background: radial-gradient(circle, #ead6c0 0%, rgba(234,214,192,.05) 66%); filter: blur(20px); }
.device { position: relative; width: min(310px, 75%); border: 9px solid #3c2e27; border-radius: 47px; padding: 7px; background: #3c2e27; box-shadow: 0 34px 70px rgba(57,36,28,.23); transform: rotate(-6deg); }
.device img { width: 100%; border-radius: 31px; }
.device.small { width: 220px; transform: rotate(9deg); position: absolute; right: -12px; bottom: 9px; z-index: -1; opacity: .92; }
.floating-chip { position: absolute; top: 50px; right: 10px; background: rgba(255,255,255,.95); border: 1px solid var(--line); padding: 12px 16px; border-radius: 16px; box-shadow: var(--shadow); font-size: 13px; font-weight: 750; }
.floating-chip .dots { display: inline-flex; gap: 4px; vertical-align: middle; margin-right: 8px; }
.dot { display: inline-block; width: 15px; height: 15px; border-radius: 50%; border: 1px solid rgba(0,0,0,.05); }
.dot.red { background: #c94831; }.dot.yellow { background: #e8b931; }.dot.blue { background: #2465a0; }
.visual-disclaimer { position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%); width: max-content; max-width: 100%; color: var(--muted); font-size: 11px; text-align: center; }

.assurance { padding: 0 0 70px; }
.assurance-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.assurance-item { padding: 18px 20px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.72); font-size: 14px; font-weight: 740; }
.assurance-item span { color: var(--green); margin-right: 9px; }
section.block { padding: clamp(78px, 10vw, 128px) 0; }
.section-intro { max-width: 720px; margin-bottom: 45px; }
.section-intro > p:last-child { color: var(--muted); font-size: 18px; }
.features { background: #fffdf9; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.feature-card { display: flex; flex-direction: column; min-height: 370px; padding: clamp(26px, 3vw, 40px); border: 1px solid var(--line); border-radius: 27px; background: var(--surface); box-shadow: 0 11px 35px rgba(50,30,20,.035); overflow: hidden; }
.feature-card .number { margin-bottom: 44px; color: var(--clay); font-weight: 820; letter-spacing: .1em; font-size: 12px; }
.feature-card p { max-width: 400px; color: var(--muted); font-size: 15px; }
.feature-card .art { flex: 1; margin-top: 24px; min-height: 110px; border-radius: 18px; background: #faf4ed; display: flex; align-items: center; justify-content: center; gap: 14px; padding: 17px; }
.color-sample { width: 66px; height: 66px; border-radius: 50%; box-shadow: inset 0 3px 6px rgba(255,255,255,.5), 0 7px 14px rgba(58,37,30,.1); }
.color-sample.one { background: #d08c45; }.color-sample.two { background: #9d5a45; }.color-sample.three { background: #294f7d; }.color-sample.four { background: #e7c9aa; }
.mini-panel { width: min(100%, 355px); display: flex; align-items: center; gap: 12px; padding: 17px; border-radius: 15px; background: white; box-shadow: 0 10px 24px rgba(88,50,35,.08); font-size: 13px; font-weight: 700; }
.mini-panel .color-sample { width: 37px; height: 37px; flex: none; }
.mini-panel small { display: block; color: var(--muted); font-size: 11px; font-weight: 500; }
.palette-mini { display: grid; grid-template-columns: repeat(6, 28px); gap: 8px; }
.palette-mini span { width: 28px; height: 28px; border-radius: 50%; background: var(--paint); box-shadow: 0 2px 4px #0002; }

.showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.showcase .text { max-width: 480px; }
.showcase .text > p { color: var(--muted); font-size: 17px; }
.showcase-visual { display: flex; justify-content: center; padding: 38px; background: radial-gradient(circle at 45% 40%, #f2deca, #f8f3ec 70%); border-radius: 32px; border: 1px solid var(--line); }
.showcase-visual img { width: min(370px, 100%); border-radius: 28px; box-shadow: var(--shadow); }
.showcase-visual figcaption { color: var(--muted); font-size: 11px; margin-top: 14px; text-align: center; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step { border-top: 2px solid var(--primary); padding: 26px 6px 4px; }
.step .index { color: var(--clay); font-size: 13px; font-weight: 820; display: block; margin-bottom: 28px; }
.step p { color: var(--muted); font-size: 15px; }
.privacy-band, .pro-band { border-radius: 30px; padding: clamp(32px, 5vw, 62px); }
.privacy-band { display: flex; justify-content: space-between; gap: 28px; align-items: center; background: #f0e9df; }
.privacy-band .copy { max-width: 700px; }
.privacy-band p { color: #5f544b; }
.pro-band { background: #56392f; color: white; display: flex; gap: 35px; justify-content: space-between; align-items: center; }
.pro-band h2 { color: #fff; }
.pro-band p { color: #e6d9d1; max-width: 680px; }
.pro-band .eyebrow { color: #f4c99d; }
.pro-band .button { background: white; color: var(--primary); }
.support-callout { padding: 82px 0 105px; text-align: center; }
.support-callout p { color: var(--muted); }
.support-callout .actions { justify-content: center; }

.subhero { padding: 86px 0 55px; }
.subhero h1 { font-size: clamp(44px, 5vw, 66px); }
.subhero .lead { color: var(--muted); max-width: 750px; font-size: 18px; margin-top: 20px; }
.prose { max-width: 820px; margin: 0 auto 100px; padding: clamp(28px, 5vw, 60px); background: #fff; border: 1px solid var(--line); border-radius: 26px; box-shadow: 0 12px 32px rgba(60,40,30,.04); }
.prose h2 { font-size: 27px; margin-top: 38px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 19px; margin-top: 24px; }
.prose p, .prose li { color: #544a43; font-size: 16px; line-height: 1.75; }
.prose a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.prose ul { padding-left: 23px; }
.notice { background: #f7efe5; border-left: 4px solid var(--clay); padding: 16px 20px; border-radius: 10px; }
.faq-item { border-bottom: 1px solid var(--line); padding: 17px 0; }
.faq-item:last-child { border: 0; }
.faq-item summary { cursor: pointer; color: var(--ink); font-weight: 760; font-size: 17px; }
.faq-item p { margin: 12px 0 0; }

.footer { background: #2d241e; color: #f6f0eb; padding: 62px 0 34px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 38px; }
.footer .brand { margin-bottom: 15px; }
.footer p, .footer small { color: #c4b9b2; }
.footer h3 { color: #e5d2c5; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; margin: 8px 0 15px; }
.footer a { display: block; margin: 0 0 10px; color: #f5eee8; font-size: 14px; }
.footer-bottom { margin-top: 54px; padding-top: 24px; border-top: 1px solid #5e5049; display: flex; justify-content: space-between; gap: 20px; font-size: 12px; color: #c4b9b2; }

@media (max-width: 900px) {
  .hero-grid, .showcase { grid-template-columns: 1fr; }
  .hero { padding-top: 78px; }
  .hero-art { min-height: 540px; }
  .showcase .text { max-width: 700px; }
  .showcase-visual { max-width: 650px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 650px) {
  .wrap { width: min(100% - 28px, 1160px); }
  .nav { min-height: 64px; gap: 9px; flex-wrap: wrap; padding: 9px 0; }
  .brand { font-size: 18px; }
  .brand img { width: 34px; height: 34px; }
  .nav-links { order: 3; width: 100%; overflow-x: auto; gap: 19px; white-space: nowrap; padding: 6px 0 3px; font-size: 12px; }
  .language { margin-left: auto; padding: 5px 9px; }
  .hero { padding: 64px 0 52px; }
  h1 { font-size: clamp(48px, 11vw, 68px); }
  .hero-art { min-height: 480px; }
  .device { width: 255px; }
  .device.small { width: 170px; right: 0; }
  .floating-chip { top: 18px; right: 0; }
  .assurance { padding-bottom: 44px; }
  .assurance-grid, .feature-grid, .steps { grid-template-columns: 1fr; }
  .assurance-item { padding: 12px 17px; }
  .feature-card { min-height: 310px; }
  .feature-card .number { margin-bottom: 20px; }
  .showcase { gap: 26px; }
  .showcase-visual { padding: 20px; }
  .privacy-band, .pro-band { display: block; }
  .privacy-band .button, .pro-band .button { margin-top: 14px; }
  .prose { padding: 25px 21px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .footer-bottom { display: block; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }