:root{--bg:#f9fafb;--panel:#ffffff;--text:#111827;--muted:#6b7280;--accent:#0ea5e9;--border:#e5e7eb;--shadow:0 12px 34px rgba(2,6,23,.06)}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}.container{max-width:1140px;margin:0 auto;padding:0 32px}.site-header{position:sticky;top:0;background:var(--bg);z-index:50;border-bottom:1px solid var(--border)}.nav-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0}.brand{margin:0;font-weight:700;font-size:clamp(28px,4.2vw,38px);letter-spacing:.1px;line-height:1.15;font-stretch:98%}.nav{display:flex;gap:12px}.nav-link{padding:10px 14px;border:1px solid var(--border);border-radius:12px;text-decoration:none;color:var(--text);background:var(--panel);box-shadow:var(--shadow);transition:transform .12s ease,background .12s ease}.nav-link:hover{transform:translateY(-1px);background:#fcfcfd}.nav-link.active{outline:2px solid color-mix(in oklab,var(--accent) 45%,transparent)}.section{padding:26px 0}.home-hero{max-width:780px;margin:84px auto 28px;text-align:center;display:flex;flex-direction:column;gap:18px}.home-title{font-size:clamp(28px,3.6vw,42px);margin:0;font-weight:700;line-height:1.12}.home-sub{margin:0;color:var(--muted)}.home-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.btn{padding:12px 18px;border:1px solid var(--border);border-radius:12px;background:var(--panel);color:var(--text);box-shadow:var(--shadow);text-decoration:none;transition:transform .12s ease}.btn:hover{transform:translateY(-1px)}.badge{display:inline-block;padding:6px 10px;border:1px solid var(--border);border-radius:999px;color:var(--muted);background:var(--panel)}.segment{position:relative;display:inline-flex;border:1px solid var(--border);border-radius:999px;padding:4px;background:var(--panel);box-shadow:var(--shadow);overflow:hidden}.segment button{border:none;background:transparent;padding:10px 18px;border-radius:999px;color:var(--muted);cursor:pointer;transition:color .15s ease;width:33.333%}.segment .thumb{position:absolute;top:4px;bottom:4px;width:33.333%;background:color-mix(in oklab,var(--accent) 14%,white);border-radius:999px;box-shadow:var(--shadow);transition:transform .28s cubic-bezier(.22,.61,.36,1);z-index:0}.segment button.active{color:#075985;font-weight:600;z-index:1}.segment[data-idx="0"] .thumb{transform:translate(0)}.segment[data-idx="1"] .thumb{transform:translate(100%)}.segment[data-idx="2"] .thumb{transform:translate(200%)}.title{text-align:center;margin:34px 0 10px;font-size:clamp(24px,2.8vw,30px)}.toolbar{display:flex;gap:12px;align-items:center;justify-content:center;flex-wrap:wrap;margin:10px 0 18px}.board{display:grid;place-content:center;min-height:260px}.grid{display:grid;gap:16px;justify-items:center}.grid.e{grid-template-columns:repeat(2,160px)}.grid.m{grid-template-columns:repeat(4,140px)}.grid.h{grid-template-columns:repeat(4,130px)}.card-tile{width:100%;height:160px;border-radius:18px;border:1px solid var(--border);overflow:hidden;background:radial-gradient(120px 60px at 50% -20%,rgba(2,6,23,.05),transparent 60%),linear-gradient(165deg,#fefdf9,#f5f8ff);box-shadow:var(--shadow);cursor:pointer;perspective:1100px}.card-inner{position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .32s ease}.card-face{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;backface-visibility:hidden}.card-face.front{background:repeating-linear-gradient(45deg,rgba(0,0,0,.025) 0 2px,transparent 2px 4px),linear-gradient(165deg,#fff,#f7faff)}.card-face.back{transform:rotateY(180deg);font-size:48px;background:linear-gradient(165deg,#0ea5e91f,#0ea5e90f),linear-gradient(165deg,#f8fbff,#f2fbff)}.card-tile.flipped .card-inner{transform:rotateY(180deg)}.card-tile.matched{outline:2px solid rgba(34,197,94,.5)}.searchbar{display:flex;gap:12px;align-items:center;justify-content:center;margin:14px 0 18px;flex-wrap:wrap}.input{padding:14px 18px;width:min(600px,84vw);border-radius:999px;border:1px solid var(--border);background:linear-gradient(180deg,#fff,#fafafa);color:var(--text);box-shadow:var(--shadow)}.input::placeholder{color:#9aa4b2}.search-btn{padding:12px 18px;border-radius:999px}.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-top:18px}.photo{position:relative;background:var(--panel);border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:transform .16s ease}.photo img{width:100%;aspect-ratio:3 / 4;object-fit:cover;display:block}.photo:hover{transform:translateY(-2px) scale(1.02)}.modal{position:fixed;inset:0;background:#000c;display:flex;align-items:center;justify-content:center;padding:20px;z-index:60}.modal .sheet{display:flex;flex-direction:column;align-items:center;gap:10px}.modal img{max-width:min(92vw,1280px);max-height:86vh;width:auto;height:auto}.modal .actions{display:flex;gap:10px;justify-content:center}.modal .actions .btn{color:var(--text);text-decoration:none}