/* ═══════════════════════════════════════════════════════════════════════════
   Patitas Cruceñas — dark-first premium cálido
   ═══════════════════════════════════════════════════════════════════════════ */
:root{
  --noir:#100D0A; --carbon:#17130F; --carbon-2:#1F1A14;
  --crema:#F4ECE0; --muted:#A89A88; --muted-2:#7C7064;
  --ambar:#F5A623; --ambar-deep:#D97E1A; --ambar-soft:rgba(245,166,35,.14);
  --verde-ok:#7BC47F; --urgente:#E4572E;
  --line:#2A231C; --line-2:#3A3025;
  --radius:20px; --radius-lg:30px; --radius-sm:12px;
  --font-display:'Fraunces',Georgia,serif;
  --font-body:'Manrope',system-ui,-apple-system,sans-serif;
  --shadow:0 24px 60px -24px rgba(0,0,0,.7);
  --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body); background:var(--noir); color:var(--crema);
  line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.08;letter-spacing:-.01em}
.eyebrow{font-family:var(--font-body);font-weight:700;font-size:.78rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--ambar);display:inline-flex;align-items:center;gap:.5rem}
.eyebrow::before{content:'';width:26px;height:1px;background:var(--ambar);display:inline-block}

/* ── Botones ── */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-weight:700;font-size:.98rem;
  padding:.92rem 1.7rem;border-radius:100px;border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease;font-family:var(--font-body)}
.btn:hover{transform:translateY(-3px)}
.btn-primary{background:linear-gradient(135deg,var(--ambar),var(--ambar-deep));color:#20160a;
  box-shadow:0 14px 34px -12px rgba(245,166,35,.6)}
.btn-primary:hover{box-shadow:0 20px 44px -12px rgba(245,166,35,.75)}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--crema)}
.btn-ghost:hover{border-color:var(--ambar);color:var(--ambar)}
.btn-wa{background:#25D366;color:#06331c}
.btn-block{width:100%;justify-content:center}

/* ── Nav ── */
.nav{position:sticky;top:0;z-index:50;background:rgba(16,13,10,.78);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--font-display);font-weight:600;font-size:1.28rem}
.brand .paw{width:34px;height:34px;display:grid;place-items:center;background:var(--ambar-soft);
  border-radius:50%;font-size:1.1rem}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-links a{font-size:.95rem;color:var(--muted);font-weight:600;transition:color .2s}
.nav-links a:hover{color:var(--crema)}
.nav-cta{padding:.6rem 1.2rem !important;font-size:.9rem !important}
.burger{display:none;background:none;border:0;color:var(--crema);font-size:1.6rem;cursor:pointer}

/* ── Hero ── */
.hero{position:relative;padding:88px 0 70px;overflow:hidden}
.hero::after{content:'';position:absolute;top:-30%;right:-10%;width:60%;height:120%;
  background:radial-gradient(circle,var(--ambar-soft),transparent 68%);pointer-events:none;z-index:0}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:clamp(2.6rem,5.4vw,4.3rem);margin:1.1rem 0 1.2rem}
.hero h1 em{font-style:italic;color:var(--ambar)}
.hero p.lead{font-size:1.18rem;color:var(--muted);max-width:34ch;margin-bottom:1.8rem}
.hero-actions{display:flex;gap:.9rem;flex-wrap:wrap}
.hero-photo{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/5;
  box-shadow:var(--shadow);border:1px solid var(--line-2)}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.hero-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(16,13,10,.55),transparent 55%)}

/* stats bajo hero */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px;position:relative;z-index:1}
.stat{background:var(--carbon);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem 1.4rem}
.stat .num{font-family:var(--font-display);font-size:2.3rem;font-weight:600;color:var(--ambar);line-height:1}
.stat .lbl{color:var(--muted);font-size:.92rem;margin-top:.4rem}

/* ── Secciones ── */
section{padding:76px 0}
.sec-head{max-width:640px;margin-bottom:44px}
.sec-head h2{font-size:clamp(2rem,3.6vw,2.9rem);margin:.9rem 0 .8rem}
.sec-head p{color:var(--muted);font-size:1.08rem}
.bg-carbon{background:var(--carbon)}

/* ── Grid de perritos ── */
.dogs{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.dog-card{background:var(--carbon);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .3s ease,border-color .3s ease;position:relative}
.dog-card:hover{transform:translateY(-7px);border-color:var(--line-2)}
.dog-photo{position:relative;aspect-ratio:1/1;overflow:hidden}
.dog-photo img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.dog-card:hover .dog-photo img{transform:scale(1.05)}
.chip{position:absolute;top:12px;left:12px;font-size:.72rem;font-weight:800;letter-spacing:.06em;
  text-transform:uppercase;padding:.34rem .7rem;border-radius:100px;backdrop-filter:blur(4px)}
.chip-urgente{background:var(--urgente);color:#fff}
.chip-adoptado{background:var(--verde-ok);color:#0a2410}
.dog-body{padding:1.3rem;display:flex;flex-direction:column;flex:1}
.dog-body h3{font-size:1.4rem;display:flex;align-items:baseline;gap:.5rem}
.dog-body h3 .edad{font-family:var(--font-body);font-size:.82rem;font-weight:600;color:var(--muted-2)}
.dog-body .resumen{color:var(--muted);font-size:.95rem;margin:.5rem 0 1.1rem;flex:1}

/* barra de progreso */
.prog{margin-bottom:1rem}
.prog-bar{height:9px;background:var(--carbon-2);border-radius:100px;overflow:hidden;border:1px solid var(--line)}
.prog-fill{height:100%;background:linear-gradient(90deg,var(--ambar),var(--ambar-deep));border-radius:100px;transition:width 1s ease}
.prog-fill.full{background:linear-gradient(90deg,var(--verde-ok),#4f9e5c)}
.prog-meta{display:flex;justify-content:space-between;font-size:.86rem;margin-top:.55rem}
.prog-meta .rec{color:var(--crema);font-weight:700}
.prog-meta .pct{color:var(--ambar);font-weight:700}
.prog-fill.full ~ .prog-meta .pct{color:var(--verde-ok)}

/* ── Cómo ayudar ── */
.help{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.help-card{background:var(--carbon);border:1px solid var(--line);border-radius:var(--radius);
  padding:2rem 1.5rem;text-align:center;transition:transform .3s,border-color .3s,background .3s}
.help-card:hover{transform:translateY(-6px);border-color:var(--ambar);background:var(--carbon-2)}
.help-card .ico{font-size:2.4rem;margin-bottom:.9rem}
.help-card h3{font-size:1.25rem;margin-bottom:.5rem}
.help-card p{color:var(--muted);font-size:.94rem}

/* ── Transparencia ── */
.trans{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.trans-list{list-style:none;display:flex;flex-direction:column;gap:1.1rem;margin-top:1.5rem}
.trans-list li{display:flex;gap:1rem;align-items:flex-start}
.trans-list .ico{flex-shrink:0;width:46px;height:46px;border-radius:12px;background:var(--ambar-soft);
  display:grid;place-items:center;font-size:1.35rem}
.trans-list h4{font-family:var(--font-body);font-weight:700;font-size:1.05rem;margin-bottom:.15rem}
.trans-list p{color:var(--muted);font-size:.94rem}
.trans-photo{border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:1/1;box-shadow:var(--shadow);border:1px solid var(--line-2)}
.trans-photo img{width:100%;height:100%;object-fit:cover}

/* ── CTA banda ── */
.cta-band{background:linear-gradient(135deg,var(--carbon-2),var(--carbon));border:1px solid var(--line-2);
  border-radius:var(--radius-lg);padding:3.4rem 2.6rem;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:'🐾';position:absolute;font-size:12rem;opacity:.05;top:-2rem;right:1rem}
.cta-band h2{font-size:clamp(1.9rem,3.4vw,2.7rem);margin-bottom:.8rem}
.cta-band p{color:var(--muted);max-width:52ch;margin:0 auto 1.7rem;font-size:1.08rem}

/* ── Footer ── */
footer{background:var(--carbon);border-top:1px solid var(--line);padding:56px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
.foot-brand p{color:var(--muted);margin-top:.8rem;max-width:34ch;font-size:.95rem}
.foot-col h4{font-family:var(--font-body);font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted-2);margin-bottom:1rem}
.foot-col a{display:block;color:var(--muted);margin-bottom:.6rem;font-size:.96rem;transition:color .2s}
.foot-col a:hover{color:var(--ambar)}
.foot-bottom{border-top:1px solid var(--line);margin-top:38px;padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--muted-2);font-size:.86rem}

/* ── FAB WhatsApp ── */
.fab{position:fixed;bottom:22px;right:22px;z-index:60;width:60px;height:60px;border-radius:50%;
  background:#25D366;display:grid;place-items:center;box-shadow:0 12px 30px -8px rgba(37,211,102,.6);
  transition:transform .25s}
.fab:hover{transform:scale(1.1)}
.fab svg{width:30px;height:30px;fill:#fff}

/* ── Modal donación ── */
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal-bg{position:absolute;inset:0;background:rgba(6,4,2,.78);backdrop-filter:blur(4px)}
.modal-card{position:relative;background:var(--carbon);border:1px solid var(--line-2);border-radius:var(--radius-lg);
  max-width:440px;width:100%;padding:2.2rem;box-shadow:var(--shadow);max-height:92vh;overflow-y:auto}
.modal-close{position:absolute;top:14px;right:16px;background:none;border:0;color:var(--muted);font-size:1.6rem;cursor:pointer}
.modal-card h3{font-size:1.7rem;margin-bottom:.4rem}
.modal-card .sub{color:var(--muted);margin-bottom:1.4rem;font-size:.96rem}
.qr-box{background:#fff;border-radius:var(--radius-sm);padding:14px;width:200px;margin:0 auto 1.2rem;display:grid;place-items:center}
.qr-box img{width:100%}
.qr-box .qr-fallback{color:#333;font-size:.8rem;text-align:center;padding:2.2rem 1rem;font-family:var(--font-body)}
.pay-rows{background:var(--carbon-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1rem 1.1rem;margin-bottom:1.2rem}
.pay-row{display:flex;justify-content:space-between;gap:1rem;padding:.4rem 0;font-size:.92rem;border-bottom:1px dashed var(--line)}
.pay-row:last-child{border-bottom:0}
.pay-row .k{color:var(--muted)}
.pay-row .v{font-weight:700;text-align:right}
.copy-btn{background:none;border:0;color:var(--ambar);cursor:pointer;font-size:.8rem;font-weight:700;margin-left:.4rem}
.modal-note{font-size:.86rem;color:var(--muted);margin-bottom:1.2rem;line-height:1.5}

/* ── Formularios ── */
.field{margin-bottom:1.05rem}
.field label{display:block;font-size:.88rem;font-weight:700;margin-bottom:.4rem;color:var(--crema)}
.field input,.field textarea,.field select{width:100%;background:var(--carbon-2);border:1px solid var(--line-2);
  border-radius:var(--radius-sm);padding:.8rem .95rem;color:var(--crema);font-family:var(--font-body);font-size:.98rem;transition:border-color .2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:var(--ambar)}
.field textarea{resize:vertical;min-height:80px}
.amounts{display:flex;gap:.55rem;flex-wrap:wrap;margin-bottom:.7rem}
.amount-btn{flex:1;min-width:66px;background:var(--carbon-2);border:1px solid var(--line-2);border-radius:var(--radius-sm);
  padding:.7rem;color:var(--crema);font-weight:700;cursor:pointer;transition:all .2s;font-family:var(--font-body)}
.amount-btn.active,.amount-btn:hover{border-color:var(--ambar);background:var(--ambar-soft);color:var(--ambar)}
.form-msg{padding:.8rem 1rem;border-radius:var(--radius-sm);margin-bottom:1rem;font-size:.92rem;display:none}
.form-msg.error{background:rgba(228,87,46,.14);color:#f0a58e;display:block}
.form-msg.ok{background:rgba(123,196,127,.14);color:var(--verde-ok);display:block}

/* ── data-reveal ── */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
[data-reveal].in{opacity:1;transform:none}

/* ── Detalle perrito ── */
.detail{padding-top:52px}
.back-link{color:var(--muted);font-size:.92rem;font-weight:600;display:inline-flex;gap:.4rem;margin-bottom:1.6rem}
.back-link:hover{color:var(--ambar)}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.detail-photo{border-radius:var(--radius-lg);overflow:hidden;position:sticky;top:92px;box-shadow:var(--shadow);border:1px solid var(--line-2)}
.detail-photo img{width:100%;aspect-ratio:1/1;object-fit:cover}
.detail h1{font-size:clamp(2.2rem,4vw,3.2rem);margin:.5rem 0}
.detail .historia{color:var(--muted);font-size:1.06rem;margin:1.3rem 0;line-height:1.75}
.detail-prog{background:var(--carbon);border:1px solid var(--line-2);border-radius:var(--radius);padding:1.6rem;margin:1.5rem 0}
.detail-prog .big{font-family:var(--font-display);font-size:2rem;color:var(--ambar);font-weight:600}
.donors{margin-top:1.5rem}
.donors h4{font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:.9rem}
.donor{display:flex;justify-content:space-between;padding:.6rem 0;border-bottom:1px solid var(--line);font-size:.94rem}
.donor .m{color:var(--ambar);font-weight:700}

/* ── Gracias ── */
.gracias{min-height:80vh;display:grid;place-items:center;text-align:center;padding:60px 20px}
.gracias .emoji{font-size:4.5rem;margin-bottom:1rem}
.gracias h1{font-size:clamp(2.2rem,4vw,3.2rem);margin-bottom:1rem}
.gracias p{color:var(--muted);font-size:1.15rem;max-width:48ch;margin:0 auto 2rem}
.gracias .g-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* ── Responsive ── */
@media(max-width:900px){
  .hero-grid,.trans,.detail-grid{grid-template-columns:1fr}
  .hero-photo{max-width:420px;margin:0 auto;order:-1}
  .detail-photo{position:static}
  .dogs{grid-template-columns:repeat(2,1fr)}
  .help{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;
    background:var(--carbon);padding:1.2rem 22px;border-bottom:1px solid var(--line);gap:1.1rem}
  .burger{display:block}
}
@media(max-width:560px){
  .stats{grid-template-columns:1fr}
  .dogs,.help,.foot-grid{grid-template-columns:1fr}
  .hero{padding-top:52px}
  section{padding:56px 0}
}