/* Residentes — landing. Mobile-first. */
:root{
  --bg:#fbfbfe; --surface:#fff; --surface-2:#f2f3fb; --ink:#14162b; --muted:#5b6080; --line:#e4e6f3;
  --brand:#4f46e5; --brand-2:#7c3aed; --accent:#14b8a6; --warn:#f59e0b; --ok:#16a34a;
  --grad:linear-gradient(135deg,#4f46e5 0%,#7c3aed 55%,#c026d3 100%);
  --shadow:0 1px 2px rgba(20,22,43,.05),0 12px 32px -12px rgba(79,70,229,.25);
  --r:18px; --gut:16px; --max:1160px;
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0c0d1a; --surface:#14162b; --surface-2:#1a1d37; --ink:#eef0ff; --muted:#a2a7cc; --line:#262a4a;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 12px 32px -12px rgba(0,0,0,.6);
}}
:root[data-theme="dark"]{
  --bg:#0c0d1a; --surface:#14162b; --surface-2:#1a1d37; --ink:#eef0ff; --muted:#a2a7cc; --line:#262a4a;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 12px 32px -12px rgba(0,0,0,.6);
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font:16px/1.6 var(--font);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:inherit}
.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}
.skip{position:absolute;left:-999px;top:8px;background:var(--brand);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em}
h1{font-size:clamp(2.2rem,8vw,4rem);font-weight:800}
h2{font-size:clamp(1.7rem,5vw,2.7rem);font-weight:800}
h3{font-size:1.1rem;font-weight:700}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brand);background:color-mix(in srgb,var(--brand) 10%,transparent);padding:5px 12px;border-radius:99px;margin-bottom:14px}
.lead{color:var(--muted);font-size:1.08rem;max-width:62ch}
section{padding:64px 0}
.sec-head{margin-bottom:34px;max-width:720px}
.sec-head .lead{margin-top:12px}
.center{text-align:center;margin-inline:auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 1rem var(--font);padding:13px 22px;border-radius:12px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .15s,box-shadow .15s,background .15s;min-height:48px}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px -8px rgba(124,58,237,.7)}
.btn-primary:hover{box-shadow:0 12px 28px -8px rgba(124,58,237,.85);transform:translateY(-1px)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand)}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .2s}
.nav.scrolled{border-color:var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;text-decoration:none;letter-spacing:-.02em}
.logo-mark{width:32px;height:32px;border-radius:10px;background:var(--grad);display:grid;place-items:center;color:#fff}
.nav-links{display:none;gap:4px;list-style:none;padding:0}
.nav-links a{text-decoration:none;font-weight:500;font-size:.95rem;color:var(--muted);padding:8px 12px;border-radius:8px}
.nav-links a:hover,.nav-links a.active{color:var(--ink);background:var(--surface-2)}
.nav-cta{display:none}
.icon-btn{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;display:grid;place-items:center}
.nav-actions{display:flex;gap:8px;align-items:center}
.drawer{position:fixed;inset:64px 0 0 0;background:var(--bg);padding:20px var(--gut);display:none;flex-direction:column;gap:6px;z-index:49;overflow:auto}
.drawer.open{display:flex}
.drawer a{text-decoration:none;font-size:1.15rem;font-weight:600;padding:14px 12px;border-radius:12px;border-bottom:1px solid var(--line)}
.drawer .btn{margin-top:14px;border:0}
@media(min-width:900px){.nav-links{display:flex}.nav-cta{display:inline-flex;min-height:42px;padding:9px 18px}.burger{display:none}.drawer{display:none!important}}

/* Hero */
.hero{padding:44px 0 56px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-20% -10% auto auto;width:640px;height:640px;background:radial-gradient(circle,rgba(124,58,237,.22),transparent 65%);pointer-events:none;z-index:-1}
.hero::after{content:"";position:absolute;left:-200px;top:40%;width:480px;height:480px;background:radial-gradient(circle,rgba(20,184,166,.18),transparent 65%);pointer-events:none;z-index:-1}
.hero-grid{display:grid;gap:40px}
.hero p.lead{margin:18px 0 26px;font-size:1.15rem}
.hero-cta{display:flex;flex-direction:column;gap:12px}
.hero-note{margin-top:16px;font-size:.88rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px 18px}
.hero-note span::before{content:"✓ ";color:var(--ok);font-weight:700}
@media(min-width:560px){.hero-cta{flex-direction:row}}
@media(min-width:960px){.hero-grid{grid-template-columns:1.05fr 1fr;align-items:center}.hero{padding:72px 0 80px}}

/* Mock app */
.mock{background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden;font-size:.86rem}
.mock-bar{display:flex;align-items:center;gap:6px;padding:11px 14px;border-bottom:1px solid var(--line);background:var(--surface-2)}
.dot{width:10px;height:10px;border-radius:50%;background:#ff5f57}.dot:nth-child(2){background:#febc2e}.dot:nth-child(3){background:#28c840}
.mock-url{margin-left:10px;font-size:.75rem;color:var(--muted);background:var(--surface);padding:3px 12px;border-radius:99px;border:1px solid var(--line)}
.mock-body{padding:16px;display:grid;gap:14px}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.kpi{border:1px solid var(--line);border-radius:12px;padding:10px;background:var(--bg)}
.kpi small{color:var(--muted);font-size:.7rem;display:block}
.kpi b{font-size:1.05rem;letter-spacing:-.02em}
.kpi i{font-style:normal;font-size:.7rem;font-weight:600}
.up{color:var(--ok)}.warn{color:var(--warn)}
.bars{display:flex;align-items:flex-end;gap:6px;height:84px;padding:6px 2px 0;border-bottom:1px solid var(--line)}
.bars span{flex:1;background:var(--grad);border-radius:6px 6px 0 0;opacity:.85;transform-origin:bottom;animation:grow .9s cubic-bezier(.2,.8,.2,1) both}
.bars span:nth-child(even){background:linear-gradient(180deg,#2dd4bf,#14b8a6)}
@keyframes grow{from{transform:scaleY(0)}}
.rows{display:grid;gap:6px}
.row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}
.row em{font-style:normal;color:var(--muted)}
.chip{font-size:.68rem;font-weight:700;padding:3px 9px;border-radius:99px;white-space:nowrap}
.chip.ok{background:#16a34a22;color:var(--ok)}.chip.wa{background:#f59e0b22;color:#b45309}.chip.late{background:#ef444422;color:#dc2626}.chip.info{background:#4f46e522;color:var(--brand)}
@media(prefers-color-scheme:dark){.chip.wa{color:#fbbf24}.chip.late{color:#f87171}.chip.info{color:#a5b4fc}}
.float{position:absolute;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:10px 14px;font-size:.8rem;font-weight:600;display:none;animation:bob 5s ease-in-out infinite}
.float.a{right:-8px;top:-18px}.float.b{left:-14px;bottom:30px;animation-delay:-2.5s}
.hero-visual{position:relative}
@keyframes bob{50%{transform:translateY(-8px)}}
@media(min-width:560px){.float{display:block}}

/* Strip */
.strip{padding:0 0 8px}
.strip ul{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.strip li{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;text-align:center}
.strip b{display:block;font-size:1.7rem;font-weight:800;letter-spacing:-.03em}
.strip span{font-size:.85rem;color:var(--muted)}
@media(min-width:760px){.strip ul{grid-template-columns:repeat(4,1fr)}}

/* Cards */
.cards{display:grid;gap:16px}
@media(min-width:640px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(min-width:960px){.cards.c3{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--brand) 40%,var(--line))}
.card p{color:var(--muted);margin-top:8px;font-size:.96rem}
.ico{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:color-mix(in srgb,var(--brand) 12%,transparent);color:var(--brand);margin-bottom:14px;font-size:1.4rem}
.ico.t{background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent)}
.ico.p{background:color-mix(in srgb,var(--brand-2) 14%,transparent);color:var(--brand-2)}
.ico.o{background:color-mix(in srgb,var(--warn) 16%,transparent);color:var(--warn)}

/* Problem */
.alt{background:var(--surface-2)}
.vs{display:grid;gap:16px}
@media(min-width:760px){.vs{grid-template-columns:1fr 1fr}}
.vs .card ul{list-style:none;padding:0;margin-top:12px;display:grid;gap:10px}
.vs li{padding-left:28px;position:relative;font-size:.96rem}
.vs .bad li::before{content:"✕";position:absolute;left:0;color:#dc2626;font-weight:800}
.vs .good li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.vs .good{border-color:color-mix(in srgb,var(--ok) 40%,var(--line))}

/* Stepper */
.stepper{display:grid;gap:20px}
@media(min-width:900px){.stepper{grid-template-columns:340px 1fr;align-items:start}}
.steps{display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;margin-inline:calc(var(--gut)*-1);padding-inline:var(--gut);scrollbar-width:none}
.steps::-webkit-scrollbar{display:none}
@media(min-width:900px){.steps{flex-direction:column;overflow:visible;margin:0;padding:0}}
.step{flex:0 0 auto;scroll-snap-align:start;display:flex;align-items:center;gap:12px;text-align:left;font:600 .95rem var(--font);color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 16px;cursor:pointer;min-height:52px;transition:.2s}
.step .n{width:28px;height:28px;border-radius:50%;background:var(--surface-2);display:grid;place-items:center;font-size:.8rem;flex:none}
.step[aria-selected="true"]{color:var(--ink);border-color:var(--brand);box-shadow:var(--shadow)}
.step[aria-selected="true"] .n{background:var(--grad);color:#fff}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow);min-height:300px}
.panel[hidden]{display:none}
.panel h3{font-size:1.4rem;margin-bottom:8px}
.panel p{color:var(--muted)}
.panel .tbl{margin-top:18px}
.panel .tag{margin-top:16px}
.tbl{width:100%;border-collapse:collapse;font-size:.88rem}
.tbl th{font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);text-align:left;padding:8px;border-bottom:1px solid var(--line)}
.tbl td{padding:9px 8px;border-bottom:1px solid var(--line)}
.tbl .r{text-align:right;font-variant-numeric:tabular-nums}
.tbl tfoot td{font-weight:800;border:0}
.scroll-x{overflow-x:auto}

/* Modules */
.tabs{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;margin-bottom:22px;padding-bottom:4px}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:0 0 auto;font:600 .95rem var(--font);color:var(--muted);background:var(--surface);border:1px solid var(--line);padding:10px 18px;border-radius:99px;cursor:pointer;min-height:44px;transition:.2s}
.tab[aria-selected="true"]{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px -8px rgba(124,58,237,.6)}
.mods{display:grid;gap:14px}
@media(min-width:640px){.mods{grid-template-columns:repeat(2,1fr)}}
@media(min-width:980px){.mods{grid-template-columns:repeat(3,1fr)}}
.mod{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;animation:fade .35s both}
.mod h3{display:flex;align-items:center;gap:10px;font-size:1.02rem}
.mod h3 span{font-size:1.3rem}
.mod ul{list-style:none;padding:0;margin-top:12px;display:grid;gap:7px;color:var(--muted);font-size:.9rem}
.mod li{padding-left:18px;position:relative}
.mod li::before{content:"";position:absolute;left:0;top:.6em;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.soon{font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;background:color-mix(in srgb,var(--warn) 20%,transparent);color:#b45309;padding:2px 8px;border-radius:99px;margin-left:auto}
@media(prefers-color-scheme:dark){.soon{color:#fbbf24}}
@keyframes fade{from{opacity:0;transform:translateY(10px)}}

/* Split features */
.split{display:grid;gap:36px;align-items:center}
@media(min-width:900px){.split{grid-template-columns:1fr 1fr;gap:64px}.split.rev .split-vis{order:-1}}
.checks{list-style:none;padding:0;margin-top:20px;display:grid;gap:12px}
.checks li{padding-left:34px;position:relative}
.checks li::before{content:"✓";position:absolute;left:0;top:0;width:24px;height:24px;border-radius:50%;background:color-mix(in srgb,var(--ok) 16%,transparent);color:var(--ok);font-weight:800;font-size:.8rem;display:grid;place-items:center}
.checks b{display:block}.checks span{color:var(--muted);font-size:.93rem}

/* Calculator */
.calc{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:flex;justify-content:space-between;font-weight:600;font-size:.92rem;margin-bottom:8px}
.field output{color:var(--brand);font-variant-numeric:tabular-nums}
input[type=range]{width:100%;accent-color:var(--brand);height:32px}
.calc .tbl{margin-top:6px}
.bar-s{height:8px;background:var(--surface-2);border-radius:99px;overflow:hidden;margin-top:6px}
.bar-s i{display:block;height:100%;background:var(--grad);border-radius:99px;transition:width .4s}

/* WhatsApp chat */
.phone{max-width:330px;margin-inline:auto;background:#0b141a;border-radius:34px;padding:10px;box-shadow:var(--shadow);border:1px solid var(--line)}
.phone-in{background:#efeae2;border-radius:26px;overflow:hidden;min-height:430px;display:flex;flex-direction:column}
.chat-h{background:#075e54;color:#fff;padding:14px 16px;font-weight:600;font-size:.9rem;display:flex;gap:10px;align-items:center}
.av{width:30px;height:30px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-size:.8rem}
.chat{padding:14px;display:flex;flex-direction:column;gap:8px;flex:1;color:#111}
.msg{max-width:86%;padding:9px 12px;border-radius:12px;font-size:.84rem;line-height:1.4;box-shadow:0 1px 1px rgba(0,0,0,.1);animation:pop .4s both}
.msg.in{background:#fff;border-top-left-radius:2px;align-self:flex-start}
.msg.out{background:#d9fdd3;border-top-right-radius:2px;align-self:flex-end}
.msg small{display:block;text-align:right;color:#667781;font-size:.65rem;margin-top:3px}
.msg:nth-child(2){animation-delay:.5s}.msg:nth-child(3){animation-delay:1.1s}.msg:nth-child(4){animation-delay:1.7s}
@keyframes pop{from{opacity:0;transform:scale(.9) translateY(8px)}}

/* Roles */
.roles{display:grid;gap:14px}
@media(min-width:700px){.roles{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.roles{grid-template-columns:repeat(4,1fr)}}

/* Pricing */
.plans{display:grid;gap:16px}
@media(min-width:900px){.plans{grid-template-columns:repeat(3,1fr);align-items:stretch}}
.plan{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:28px;display:flex;flex-direction:column}
.plan.hot{border:2px solid var(--brand);box-shadow:var(--shadow);position:relative}
.plan.hot::before{content:"Más elegido";position:absolute;top:-13px;left:24px;background:var(--grad);color:#fff;font-size:.72rem;font-weight:700;padding:4px 12px;border-radius:99px}
.price{font-size:2.3rem;font-weight:800;letter-spacing:-.03em;margin:10px 0 4px}
.price small{font-size:.9rem;font-weight:500;color:var(--muted)}
.plan ul{list-style:none;padding:0;margin:18px 0 24px;display:grid;gap:10px;font-size:.93rem;flex:1}
.plan li::before{content:"✓ ";color:var(--ok);font-weight:800}
.note{font-size:.82rem;color:var(--muted);margin-top:18px;text-align:center}

/* FAQ */
.faq{max-width:780px;margin-inline:auto;display:grid;gap:10px}
details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:0 20px}
summary{cursor:pointer;font-weight:600;padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:12px;min-height:48px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.4rem;color:var(--brand);line-height:1;transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);padding-bottom:18px}

/* CTA */
.cta{background:var(--grad);color:#fff;border-radius:28px;padding:48px 24px;text-align:center;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;inset:auto -80px -120px auto;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.12)}
.cta p{opacity:.9;margin:12px auto 24px;max-width:52ch}
.cta .btn{background:#fff;color:#4f46e5}
.contact{display:grid;gap:10px;max-width:420px;margin:0 auto;position:relative;z-index:1}
.contact input{font:1rem var(--font);padding:14px 16px;border-radius:12px;border:0;min-height:48px;width:100%}
.contact .ok{font-weight:600}

/* Footer */
footer{padding:48px 0 32px;border-top:1px solid var(--line);margin-top:64px}
.foot{display:grid;gap:28px}
@media(min-width:760px){.foot{grid-template-columns:2fr 1fr 1fr 1fr}}
footer h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:12px}
footer ul{list-style:none;padding:0;display:grid;gap:8px}
footer a{text-decoration:none;color:var(--ink);font-size:.93rem}footer a:hover{color:var(--brand)}
.copy{margin-top:32px;color:var(--muted);font-size:.83rem;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}

/* Reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s cubic-bezier(.2,.8,.2,1)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.rv{opacity:1;transform:none}}
.nav-login{display:none;text-decoration:none;font-weight:600;font-size:.95rem;padding:8px 12px;border-radius:8px}
.nav-login:hover{background:var(--surface-2)}
@media(min-width:900px){.nav-login{display:inline-block}}