/* =========================================================================
   PagoFino Developers — sitio público (portal y documentación)
   Identidad visual de la landing de PagoFino (styles.css v2.2.0)
   ========================================================================= */
:root {
    --green: #00E599;
    --green-hover: #00c784;
    --green-ink: #00a86b;
    --green-soft: rgba(0, 229, 153, .12);
    --bg: #ffffff;
    --bg-subtle: #f8fafc;
    --card: #ffffff;
    --input: #f1f5f9;
    --text: #0a0d12;
    --text-2: #334155;
    --muted: #64748b;
    --border: rgba(10, 13, 18, .08);
    --border-strong: rgba(10, 13, 18, .14);
    --rose: #dc2626;
    --amber: #d97706;
    --sky: #0284c7;
    --nav-bg: rgba(255, 255, 255, .88);
    --nav-shadow: 0 12px 36px -8px rgba(0, 0, 0, .08), 0 2px 6px rgba(0, 0, 0, .02);
    --card-shadow: 0 10px 30px -14px rgba(10, 13, 18, .12);
    --font: 'Plus Jakarta Sans', system-ui, sans-serif;
    --display: 'Poppins', 'Plus Jakarta Sans', sans-serif;
    --mono: 'JetBrains Mono', ui-monospace, monospace;
    --ease: cubic-bezier(.16, 1, .3, 1);
    --spring: cubic-bezier(.34, 1.56, .64, 1);
}
html.dark {
    --green-ink: #00E599;
    --green-soft: rgba(0, 229, 153, .1);
    --bg: #07090e;
    --bg-subtle: #0b0e15;
    --card: #0f131c;
    --input: #141925;
    --text: #f8fafc;
    --text-2: #cbd5e1;
    --muted: #94a3b8;
    --border: rgba(255, 255, 255, .1);
    --border-strong: rgba(255, 255, 255, .18);
    --rose: #f87171;
    --amber: #fbbf24;
    --sky: #38bdf8;
    --nav-bg: rgba(15, 19, 28, .8);
    --nav-shadow: 0 16px 40px -10px rgba(0, 0, 0, .6), 0 0 0 1px rgba(0, 229, 153, .08);
    --card-shadow: 0 16px 40px -18px rgba(0, 0, 0, .7);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
html, body { margin: 0; }
body {
    background: var(--bg); color: var(--text); font-family: var(--font); font-size: 15px; line-height: 1.6;
    -webkit-font-smoothing: antialiased; overflow-x: hidden; transition: background-color .3s, color .3s;
}
::selection { background: var(--green); color: #000; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 999px; }
html.dark ::-webkit-scrollbar-thumb { background: #1e293b; }
::-webkit-scrollbar-thumb:hover { background: var(--green); }
a { color: var(--green-ink); }
img { max-width: 100%; }
code, .mono { font-family: var(--mono); }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.display { font-family: var(--display); font-weight: 900; letter-spacing: -.025em; }
.green { color: var(--green-ink); }
section { scroll-margin-top: 96px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- Piezas comunes ---------- */
.sticker {
    display: inline-flex; align-items: center; gap: 7px; padding: 5px 12px; border-radius: 999px;
    font-family: var(--mono); font-weight: 700; font-size: 11px; letter-spacing: .07em; text-transform: uppercase;
    background: var(--green-soft); color: var(--green-ink); border: 1px solid rgba(0, 229, 153, .3); white-space: nowrap;
}
.pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--green); position: relative; }
.pulse::after { content: ''; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid var(--green); animation: ping 1.8s var(--ease) infinite; }
@keyframes ping { from { transform: scale(.5); opacity: .9; } to { transform: scale(1.8); opacity: 0; } }

.btn {
    position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px; text-decoration: none;
    border: 1px solid var(--border-strong); background: transparent; color: var(--text); overflow: hidden;
    padding: 12px 22px; border-radius: 999px; cursor: pointer; font: inherit; font-weight: 800; font-size: 14px;
    transition: transform .22s var(--ease), border-color .22s, background .22s, box-shadow .22s; white-space: nowrap;
}
.btn:hover { border-color: var(--green); transform: translateY(-1px); }
.btn:active { transform: scale(.97) translateY(1px); }
.btn-primary { background: var(--green); border-color: var(--green); color: #000; box-shadow: 0 6px 20px rgba(0, 229, 153, .35); }
.btn-primary:hover { background: var(--green-hover); border-color: var(--green-hover); box-shadow: 0 10px 28px rgba(0, 229, 153, .45); }
.btn-primary::before {
    content: ''; position: absolute; top: 0; bottom: 0; width: 40%; left: -60%; transform: skewX(-20deg);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .55), transparent); animation: brillo 4.5s var(--ease) infinite;
}
@keyframes brillo { 0%, 70% { left: -60%; } 100% { left: 130%; } }
.btn .arrow { width: 20px; height: 20px; border-radius: 50%; background: #000; color: #fff; display: inline-grid; place-items: center; font-size: 12px; transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ---------- Navegación flotante ---------- */
.nav-wrap { position: fixed; top: 14px; left: 0; right: 0; z-index: 50; padding: 0 14px; pointer-events: none; }
.pill-navbar {
    pointer-events: auto; max-width: 1200px; margin: 0 auto; display: flex; align-items: center; gap: 18px;
    padding: 8px 10px 8px 16px; border-radius: 999px; border: 1px solid var(--border);
    background: var(--nav-bg); box-shadow: var(--nav-shadow); backdrop-filter: blur(20px) saturate(1.4); -webkit-backdrop-filter: blur(20px) saturate(1.4);
    transition: padding .3s var(--ease), box-shadow .3s;
}
.nav-scrolled .pill-navbar { padding-top: 6px; padding-bottom: 6px; }
.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; color: var(--text); }
.brand img { width: 32px; height: 32px; transition: transform .4s var(--spring); }
.brand:hover img { transform: rotate(-8deg) scale(1.08); }
.brand-name { font-family: var(--display); font-weight: 900; font-size: 19px; letter-spacing: -.02em; }
.brand-name span { color: var(--green-ink); }
.nav-links { display: flex; gap: 2px; font-size: 13.5px; font-weight: 700; min-width: 0; }
.nav-links a { position: relative; color: var(--text-2); text-decoration: none; padding: 7px 11px; border-radius: 999px; transition: color .2s, background .2s; white-space: nowrap; }
.nav-links a:hover { color: var(--green-ink); }
.nav-links a.active { color: var(--text); background: var(--input); }
.nav-spacer { flex: 1; }
.icon-btn { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border); background: transparent; display: grid; place-items: center; cursor: pointer; color: var(--text); transition: transform .3s var(--spring); }
.icon-btn:hover { transform: rotate(18deg); }
.nav-login { font-weight: 800; font-size: 13.5px; color: var(--text-2); text-decoration: none; padding: 0 6px; white-space: nowrap; }
.pill-navbar > .brand, .pill-navbar > .sticker, .pill-navbar > .btn, .pill-navbar > .icon-btn { flex: none; }
.nav-login:hover { color: var(--text); }
.nav-burger { display: none; }
.mobile-menu {
    pointer-events: auto; display: none; max-width: 1200px; margin: 10px auto 0; padding: 16px; border-radius: 24px;
    background: var(--card); border: 1px solid var(--border); box-shadow: var(--nav-shadow);
}
.mobile-menu a { display: block; padding: 11px 12px; border-radius: 12px; color: var(--text); text-decoration: none; font-weight: 800; }
.mobile-menu a:hover { background: var(--input); }
.nav-open .mobile-menu { display: block; animation: caer .3s var(--ease); }
@keyframes caer { from { opacity: 0; transform: translateY(-8px); } }

/* ---------- Bloques ---------- */
.block { position: relative; padding: 100px 0; }
.block.alt { background: var(--bg-subtle); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.block-head { text-align: center; max-width: 740px; margin: 0 auto 52px; }
.block-head h2 { font-size: clamp(28px, 4vw, 46px); line-height: 1.06; margin: 14px 0 12px; text-transform: uppercase; }
.block-head p { color: var(--muted); font-size: 16.5px; margin: 0; }

/* ---------- Código ---------- */
.code-card { border-radius: 22px; background: #07090e; border: 1px solid rgba(255, 255, 255, .1); overflow: hidden; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .5); }
.code-tabs { display: flex; gap: 4px; padding: 10px; border-bottom: 1px solid rgba(255, 255, 255, .08); overflow-x: auto; scrollbar-width: none; }
.code-tabs::-webkit-scrollbar { display: none; }
.code-tabs button { border: 0; background: transparent; color: #94a3b8; font: inherit; font-weight: 700; font-size: 12.5px; padding: 7px 14px; border-radius: 999px; cursor: pointer; white-space: nowrap; transition: background .2s, color .2s; }
.code-tabs button:hover { color: #e2e8f0; }
.code-tabs button.active { background: var(--green); color: #000; }
.code-tabs .copy { margin-left: auto; border: 1px solid rgba(255, 255, 255, .15); color: #e2e8f0; }
.code-card pre, pre.code {
    margin: 0; padding: 20px; font-family: var(--mono); font-size: 12.5px; line-height: 1.75; color: #cbd5e1;
    white-space: pre-wrap; word-break: break-word;
}
pre.code { border-radius: 18px; background: #07090e; border: 1px solid rgba(255, 255, 255, .1); }
.code-swap { animation: aparecer .35s var(--ease); }
@keyframes aparecer { from { opacity: 0; transform: translateY(6px); } }
.t-m { color: #f472b6; } .t-u { color: #7dd3fc; } .t-k { color: #a5b4fc; } .t-s { color: #fde68a; } .t-n { color: #fdba74; }
.t-ok { color: #00E599; font-weight: 700; } .t-no { color: #f87171; font-weight: 700; } .t-c { color: #64748b; }

/* ---------- FAQ ---------- */
.faq { max-width: 840px; margin: 0 auto; display: grid; gap: 10px; }
.faq details { border: 1px solid var(--border); border-radius: 20px; background: var(--card); transition: border-color .25s, box-shadow .25s; }
.faq details[open] { border-color: rgba(0, 229, 153, .45); box-shadow: var(--card-shadow); }
.faq summary { list-style: none; cursor: pointer; padding: 19px 22px; font-weight: 800; font-size: 15.5px; display: flex; gap: 12px; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: '+'; margin-left: auto; flex: none; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
    background: var(--input); color: var(--green-ink); font-size: 18px; transition: transform .3s var(--spring), background .2s;
}
.faq details[open] summary::after { transform: rotate(135deg); background: var(--green); color: #000; }
.faq details p { margin: 0; padding: 0 22px 20px; color: var(--text-2); animation: aparecer .35s var(--ease); }

/* ---------- Pie ---------- */
footer { border-top: 1px solid var(--border); padding: 34px 0 44px; color: var(--muted); font-size: 13.5px; }
.foot { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.foot nav { display: flex; gap: 18px; flex-wrap: wrap; margin-left: auto; }
.foot a { color: var(--text-2); text-decoration: none; font-weight: 700; }
.foot a:hover { color: var(--green-ink); }

/* ---------- Aparición al hacer scroll ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Spotlight que sigue al cursor en tarjetas ---------- */
.spot { position: relative; isolation: isolate; }
.spot::before {
    content: ''; position: absolute; inset: 0; border-radius: inherit; z-index: -1; opacity: 0; transition: opacity .3s;
    background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(0, 229, 153, .14), transparent 60%);
}
.spot:hover::before { opacity: 1; }

/* Con menos espacio, el menú se reduce antes de pasar a la hamburguesa */
@media (max-width: 1240px) {
    .pill-navbar { gap: 12px; }
    .pill-navbar > .sticker { display: none; }
    .nav-links a[href="#casos"], .nav-links a[href="/#faq"], .nav-links a[href="#faq"] { display: none; }
}
@media (max-width: 1060px) {
    .nav-links, .nav-login { display: none; }
    .nav-burger { display: grid; }
}
@media (max-width: 640px) {
    body { font-size: 14.5px; }
    .block { padding: 72px 0; }
    .pill-navbar { gap: 10px; }
    .hide-sm { display: none !important; }
    .foot nav { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .reveal { opacity: 1; transform: none; }
    html { scroll-behavior: auto; }
}