:root{
  --brand:#e8734a;
  --brand-dark:#c95a33;
  --brand-soft:#fdeee7;
  --ink:#2b2018;
  --ink-soft:#6b5d52;
  --bg:#fffaf6;
  --card:#ffffff;
  --line:#f0e3d9;
  --good:#2e9e6b;
  --good-soft:#e3f5ec;
  --warn:#c98a1b;
  --warn-soft:#fbf1dc;
  --radius:16px;
  --shadow:0 2px 12px rgba(80,50,30,.08);
  --shadow-lg:0 12px 40px rgba(80,50,30,.16);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
h1,h2,h3{line-height:1.2;font-weight:800}
a{color:inherit;text-decoration:none}
em{font-style:normal;color:var(--brand)}

/* NAV */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:14px 5vw;background:rgba(255,250,246,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-logo{font-size:1.25rem;font-weight:800;display:flex;gap:8px;align-items:center}
.nav-links{display:flex;gap:22px;align-items:center;font-weight:600;font-size:.95rem}
.nav-links a:not(.btn):hover{color:var(--brand)}

/* BUTTONS */
.btn{display:inline-block;padding:13px 26px;border-radius:999px;font-weight:700;border:none;cursor:pointer;font-size:1rem;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{background:transparent;border:2px solid var(--line);color:var(--ink)}
.btn-light{background:#fff;color:var(--brand)}
.btn-sm{padding:9px 18px;font-size:.9rem}

/* HERO */
.hero{padding:80px 5vw 60px;background:radial-gradient(1200px 600px at 80% -10%,var(--brand-soft),transparent),var(--bg)}
.hero-inner{max-width:880px;margin:0 auto;text-align:center}
.hero-badge{display:inline-block;background:var(--brand-soft);color:var(--brand-dark);font-weight:700;font-size:.85rem;padding:7px 16px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:clamp(2.4rem,6vw,4rem)}
.accent{color:var(--brand)}
.hero-sub{max-width:640px;margin:22px auto 30px;color:var(--ink-soft);font-size:1.15rem}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;justify-content:center;flex-wrap:wrap;margin-top:52px}
.hero-stats div{max-width:210px;text-align:left}
.hero-stats strong{display:block;color:var(--brand-dark);font-size:1.02rem}
.hero-stats span{font-size:.88rem;color:var(--ink-soft)}

/* SECTIONS */
.section{padding:76px 5vw;max-width:1200px;margin:0 auto}
.section-alt{background:var(--card);max-width:none}
.section-alt>*{max-width:1200px;margin-left:auto;margin-right:auto}
.section-head{text-align:center;margin-bottom:44px}
.section-head h2{font-size:clamp(1.7rem,3.4vw,2.4rem)}
.section-head p{color:var(--ink-soft);margin-top:8px}
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.card h3{margin-bottom:8px;font-size:1.1rem}
.card p{color:var(--ink-soft);font-size:.95rem}
.card-icon{font-size:2rem;margin-bottom:12px}
.step-num{width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:14px}

/* TIMELINE */
.timeline{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.tl-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.tl-now{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft),var(--shadow)}
.tl-tag{display:inline-block;font-size:.75rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--brand-dark);background:var(--brand-soft);padding:4px 12px;border-radius:999px;margin-bottom:12px}
.tl-item h3{font-size:1.05rem;margin-bottom:6px}
.tl-item p{color:var(--ink-soft);font-size:.92rem}

/* CTA BAND */
.cta-band{text-align:center;background:linear-gradient(120deg,var(--brand),var(--brand-dark));border-radius:var(--radius);color:#fff;max-width:1100px;padding:60px 5vw}
.cta-band p{opacity:.9;margin:8px 0 24px}

/* FOOTER */
.footer{padding:38px 5vw;text-align:center;color:var(--ink-soft);border-top:1px solid var(--line);font-size:.92rem}
.footer-note{margin-top:8px;font-size:.8rem;opacity:.7}

/* ============ APP PAGE ============ */
.app-shell{max-width:1200px;margin:0 auto;padding:28px 4vw 80px}
.app-head{display:flex;justify-content:space-between;align-items:end;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.app-head h1{font-size:1.7rem}
.app-head p{color:var(--ink-soft);font-size:.95rem}
.demo-pill{background:var(--warn-soft);color:var(--warn);font-weight:700;font-size:.78rem;padding:6px 14px;border-radius:999px}

/* FILTERS */
.filters{display:flex;gap:12px;flex-wrap:wrap;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);margin-bottom:26px}
.filters label{font-size:.78rem;font-weight:700;color:var(--ink-soft);display:block;margin-bottom:4px;text-transform:uppercase;letter-spacing:.04em}
.filters select,.filters input[type=range]{padding:9px 12px;border-radius:10px;border:1.5px solid var(--line);background:#fff;font-size:.92rem;min-width:130px}
.filters .f-group{flex:1;min-width:140px}
.f-check{display:flex;align-items:center;gap:8px;font-weight:600;font-size:.9rem;padding-top:18px}
#distVal{font-weight:700;color:var(--brand-dark)}
.results-count{font-size:.9rem;color:var(--ink-soft);margin-bottom:14px}

/* DOG GRID */
.dog-grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(255px,1fr))}
.dog-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);cursor:pointer;transition:transform .15s,box-shadow .15s}
.dog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.dog-photo{height:190px;display:flex;align-items:center;justify-content:center;font-size:4.2rem;color:#fff;position:relative}
.dog-photo .badge{position:absolute;top:12px;left:12px;font-size:.72rem;font-weight:800;padding:5px 11px;border-radius:999px;background:var(--good);color:#fff;display:flex;gap:5px;align-items:center}
.badge.pending{background:var(--warn)}
.dog-photo .dist{position:absolute;bottom:12px;right:12px;background:rgba(0,0,0,.45);color:#fff;font-size:.76rem;font-weight:700;padding:4px 11px;border-radius:999px}
.dog-body{padding:16px 18px 18px}
.dog-name{font-weight:800;font-size:1.12rem;display:flex;justify-content:space-between;align-items:center}
.dog-sex{font-size:1rem}
.dog-meta{color:var(--ink-soft);font-size:.88rem;margin:3px 0 12px}
.dog-actions{display:flex;gap:8px}
.dog-actions .btn{flex:1;padding:10px 0;font-size:.9rem;border-radius:12px}
.btn-outline{background:#fff;border:1.5px solid var(--line)}
.btn-matched{background:var(--good);color:#fff}

/* MODAL */
.modal-bg{position:fixed;inset:0;background:rgba(40,25,15,.5);display:none;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal-bg.open{display:flex}
.modal{background:var(--card);border-radius:20px;max-width:520px;width:100%;max-height:88vh;overflow:auto;box-shadow:var(--shadow-lg)}
.modal .dog-photo{height:220px;border-radius:20px 20px 0 0}
.modal-body{padding:24px 26px 28px}
.modal-body h2{display:flex;justify-content:space-between;align-items:center;font-size:1.45rem}
.modal-body .dog-meta{margin:4px 0 14px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 18px}
.chip{background:var(--brand-soft);color:var(--brand-dark);font-size:.8rem;font-weight:700;padding:6px 13px;border-radius:999px}
.health-list{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:18px;font-size:.9rem}
.health-list div{display:flex;justify-content:space-between;padding:5px 0}
.health-list .ok{color:var(--good);font-weight:700}
.health-list .pend{color:var(--warn);font-weight:700}
.modal-close{position:absolute;top:14px;right:14px;background:rgba(0,0,0,.4);color:#fff;border:none;width:34px;height:34px;border-radius:50%;font-size:1.1rem;cursor:pointer}
.modal-wrap{position:relative}

/* MATCH TOAST */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(120%);background:var(--good);color:#fff;font-weight:700;padding:15px 28px;border-radius:999px;box-shadow:var(--shadow-lg);transition:transform .3s;z-index:200}
.toast.show{transform:translateX(-50%) translateY(0)}

/* CHAT */
.chat-panel{position:fixed;right:22px;bottom:22px;width:330px;max-width:92vw;background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-lg);display:none;flex-direction:column;overflow:hidden;z-index:150}
.chat-panel.open{display:flex}
.chat-head{background:var(--brand);color:#fff;padding:13px 17px;font-weight:700;display:flex;justify-content:space-between;align-items:center}
.chat-head button{background:none;border:none;color:#fff;font-size:1.05rem;cursor:pointer}
.chat-msgs{padding:15px;display:flex;flex-direction:column;gap:9px;height:240px;overflow:auto;background:var(--bg)}
.msg{max-width:80%;padding:9px 14px;border-radius:14px;font-size:.88rem}
.msg.them{background:#fff;border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:4px}
.msg.me{background:var(--brand);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chat-input{display:flex;border-top:1px solid var(--line)}
.chat-input input{flex:1;border:none;padding:13px 15px;font-size:.9rem;outline:none}
.chat-input button{background:var(--brand);color:#fff;border:none;padding:0 18px;font-weight:700;cursor:pointer}
.chat-note{font-size:.72rem;color:var(--ink-soft);text-align:center;padding:7px 12px;background:var(--good-soft)}

.empty{grid-column:1/-1;text-align:center;padding:60px 20px;color:var(--ink-soft)}
.empty span{font-size:3rem;display:block;margin-bottom:10px}

@media(max-width:640px){
  .nav-links a:not(.btn){display:none}
  .hero{padding:52px 6vw 40px}
}

/* WAITLIST */
.wl-form{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;max-width:760px;margin:22px auto 0}
.wl-form input{flex:1;min-width:180px;padding:13px 16px;border-radius:999px;border:none;font-size:.95rem}
.wl-form input:focus-visible{outline:3px solid rgba(255,255,255,.6)}
.wl-msg{margin-top:14px;font-weight:700;min-height:1.4em}