:root{color-scheme:light;font-family:PingFang SC,Hiragino Sans GB,Noto Sans SC,sans-serif;--bg: #f6efe8;--bg-deep: #efe4d8;--panel: rgba(255, 252, 247, .78);--panel-strong: rgba(255, 251, 246, .94);--line: rgba(108, 73, 49, .14);--text: #251916;--muted: #725f55;--accent: #b67254;--accent-deep: #7f4d38;--shadow: 0 24px 70px rgba(84, 55, 38, .12);--radius-xl: 36px;--radius-lg: 28px;--radius-md: 22px}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{color:var(--text);background:radial-gradient(circle at top left,rgba(255,235,213,.72),transparent 26%),radial-gradient(circle at 82% 8%,rgba(223,201,186,.68),transparent 22%),linear-gradient(180deg,#fbf5ef,#f6ede4 44%,#f2e7dd)}a,button,input{font:inherit}button{border:0}a{color:inherit;text-decoration:none}h1,h2,h3,p,strong,span{margin:0}h1,h2{font-family:Iowan Old Style,Times New Roman,serif}.landing-shell{position:relative;overflow:hidden;max-width:1280px;margin:0 auto;padding:24px 20px 88px}.landing-glow{position:fixed;inset:auto;width:280px;height:280px;border-radius:999px;filter:blur(44px);opacity:.44;pointer-events:none}.landing-glow--one{top:44px;left:-48px;background:#f7c5a494}.landing-glow--two{right:-34px;bottom:120px;background:#b3bfde70}.site-header,.hero,.problem-section,.how-section,.flow-section,.io-section,.safety-section,.value-section,.cta-section{position:relative;z-index:1}.site-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:36px}.brand-lockup{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.brand-mark,.brand-slug,.hero-badge,.section-eyebrow{display:inline-flex;align-items:center;min-height:30px;padding:0 12px;border-radius:999px;font-size:12px;letter-spacing:.14em;text-transform:uppercase}.brand-mark,.hero-badge,.section-eyebrow{background:#ffffffbd;color:var(--accent-deep)}.brand-slug,.hero-badge--soft{background:#25191614;color:var(--muted)}.site-nav{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font-size:14px}.site-nav a{transition:color .18s ease}.site-nav a:hover{color:var(--accent-deep)}.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:28px;align-items:center;min-height:calc(100vh - 140px);padding:14px 0 72px}.hero-copy{max-width:640px}.hero-badge-wrap{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}.hero h1{max-width:8ch;font-size:clamp(52px,8vw,92px);line-height:.94;letter-spacing:-.06em}.hero-subtitle{margin-top:24px;font-size:clamp(22px,2.4vw,30px);line-height:1.35;color:#3a2a24}.hero-description,.section-head p,.problem-card p,.gesture-card p,.flow-step strong,.io-card p,.output-item p,.safety-card p,.cta-card p,.preview-board__summary p,.preview-board__footer span,.preview-card__copy span{color:var(--muted);line-height:1.75}.hero-description{max-width:34rem;margin-top:16px;font-size:18px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 24px;border-radius:999px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}.button--primary{color:#fff;background:linear-gradient(135deg,#2c1c18,#7a4a36);box-shadow:0 18px 32px #5234262e}.button--secondary{color:var(--accent-deep);background:#ffffffb8;border:1px solid rgba(127,77,56,.14)}.button:hover{transform:translateY(-2px)}.hero-visual{display:flex;justify-content:flex-end}.preview-board,.problem-card,.gesture-card,.io-card,.safety-card,.cta-card,.value-pill{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.preview-board{width:min(100%,520px);padding:22px;border-radius:38px;display:grid;gap:18px}.preview-board__summary{display:grid;gap:6px;padding:18px;border-radius:24px;background:#ffffff9e}.preview-board__summary span,.preview-board__footer span{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}.preview-board__summary strong,.preview-card__copy strong,.preview-board__footer strong,.problem-card strong,.gesture-card strong,.flow-step span,.io-card strong,.output-item strong,.safety-card strong,.cta-card h2{display:block}.preview-board__summary strong{font-size:28px;line-height:1.05}.preview-board__stack{display:grid;grid-template-columns:1.2fr 1fr;gap:14px}.preview-card{display:grid;gap:10px;padding:12px;border-radius:24px;background:#ffffffad}.preview-card--cover{grid-row:span 2}.preview-card--narrow{align-content:start}.preview-photo{min-height:150px;border-radius:18px;background-size:cover;background-position:center}.preview-card--cover .preview-photo{min-height:260px}.preview-photo--warm{background:linear-gradient(180deg,#1f181414,#1f18143d),linear-gradient(135deg,#e9c2a6,#c7886e 48%,#715956)}.preview-photo--street{background:linear-gradient(180deg,#110c0a14,#110c0a2e),linear-gradient(135deg,#dcc4b4,#ba8f72 56%,#7d655f)}.preview-photo--night{background:linear-gradient(180deg,#07070c0f,#07070c47),linear-gradient(135deg,#5e6a86,#3d344f 58%,#1f1a29)}.preview-card__copy{display:grid;gap:4px}.preview-board__footer{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.preview-board__footer>div{padding:16px;border-radius:18px;background:#ffffff9e}.problem-section,.how-section,.flow-section,.io-section,.safety-section,.value-section,.cta-section{padding:42px 0}.section-head{max-width:760px;margin-bottom:24px}.section-head--center{margin-left:auto;margin-right:auto;text-align:center}.section-head h2,.cta-card h2{font-size:clamp(34px,5vw,58px);line-height:1;letter-spacing:-.05em}.section-head p{margin-top:14px;font-size:17px}.problem-grid,.gesture-grid,.safety-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.problem-card,.gesture-card,.safety-card{border-radius:var(--radius-lg);padding:24px}.problem-card{min-height:180px;display:grid;align-content:start;gap:14px}.problem-card__dot{width:12px;height:12px;border-radius:999px;background:linear-gradient(135deg,#bc7759,#dbb186)}.gesture-card{text-align:center;padding-top:28px}.gesture-card__symbol{display:grid;place-items:center;width:72px;height:72px;margin:0 auto 18px;border-radius:999px;background:#ffffffc7;color:var(--accent-deep);font-size:28px}.gesture-card strong{font-size:24px;margin-bottom:10px}.flow-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.flow-step{padding:22px;border-top:1px solid rgba(127,77,56,.2)}.flow-step span{margin-bottom:12px;color:var(--accent);font-size:13px;letter-spacing:.16em}.flow-step strong{font-size:22px;color:#32231d}.io-layout{display:grid;grid-template-columns:minmax(0,1fr) 120px minmax(0,1fr);gap:20px;align-items:center}.io-card{padding:28px;border-radius:32px}.io-card__label{display:inline-block;margin-bottom:12px;color:var(--accent);font-size:12px;letter-spacing:.14em;text-transform:uppercase}.io-card strong{font-size:28px;line-height:1.08}.io-card p{margin-top:12px}.io-bridge{position:relative;display:grid;place-items:center;min-height:160px}.io-bridge__track{position:absolute;width:2px;height:100%;background:linear-gradient(180deg,#b6725414,#b6725494,#b6725414)}.io-bridge__chip{position:relative;z-index:1;display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:999px;background:#ffffffd1;color:var(--accent-deep);font-size:14px}.output-list{display:grid;gap:16px;margin-top:14px}.output-item{padding:16px 0;border-top:1px solid rgba(127,77,56,.12)}.next-step-row{display:flex;align-items:center;gap:16px;margin-top:18px;color:var(--muted)}.next-step-row span{color:var(--accent-deep);font-size:13px;letter-spacing:.14em;text-transform:uppercase}.value-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}.value-pill{padding:16px 18px;border-radius:999px;font-size:16px}.cta-section{padding-bottom:0}.cta-card{padding:42px;border-radius:40px;text-align:center;background:var(--panel-strong);border:1px solid var(--line);box-shadow:var(--shadow)}.cta-card p{max-width:38rem;margin:16px auto 26px}@media (hover: hover){.preview-card,.problem-card,.gesture-card,.io-card,.safety-card,.value-pill{transition:transform .22s ease,box-shadow .22s ease,background .22s ease}.preview-card:hover,.problem-card:hover,.gesture-card:hover,.io-card:hover,.safety-card:hover,.value-pill:hover{transform:translateY(-3px);box-shadow:0 28px 68px #54372624}}@media (max-width: 1024px){.hero,.io-layout,.problem-grid,.gesture-grid,.safety-grid{grid-template-columns:1fr}.hero{min-height:auto;padding-top:8px}.hero-visual{justify-content:flex-start}.io-bridge{min-height:96px}.io-bridge__track{width:100%;height:2px}}@media (max-width: 720px){.landing-shell{padding:16px 14px 64px}.site-header{align-items:flex-start;flex-direction:column;margin-bottom:22px}.site-nav{gap:12px;font-size:13px}.hero{gap:22px;padding-bottom:44px}.hero h1{font-size:clamp(42px,13vw,64px)}.hero-subtitle{font-size:20px}.hero-description{font-size:16px}.hero-actions,.preview-board__stack,.preview-board__footer,.flow-strip{grid-template-columns:1fr}.hero-actions{flex-direction:column;align-items:stretch}.button{width:100%}.preview-board,.problem-card,.gesture-card,.io-card,.safety-card,.cta-card{border-radius:28px}.preview-board{padding:16px}.preview-card--cover{grid-row:auto}.section-head h2,.cta-card h2{font-size:clamp(30px,10vw,44px)}.section-head p,.problem-card p,.gesture-card p,.io-card p,.safety-card p,.cta-card p{font-size:15px}.next-step-row{align-items:flex-start;flex-direction:column}.cta-card{padding:28px 20px}}