/* ════════════════════════════════════════════
   ESTUDIO L — Landing · tema índigo nocturno
   Paleta y tipografía: ver 01-identidad/manual-de-marca.md
   ════════════════════════════════════════════ */

:root{
  --page:#0C0D1C; --card:#111428; --card-2:#161A33; --navy:#181B38; --line:#21264A;
  --violeta:#8080B8; --violeta-osc:#5E5E96; --lila:#AAAADE;
  --turq:#5FAFA8; --turq-osc:#45908A;
  --titulo:#F2F2F8; --cuerpo:#C8C8E0; --muted:#7E82A8;
  --wa:#25D366; --wa-d:#1ebe5a;
  --maxw:1120px; --r:16px;
  --sg:'Space Grotesk',sans-serif; --of:'Outfit',sans-serif; --dm:'DM Mono',monospace;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--page); color:var(--cuerpo);
  font-family:var(--of); font-weight:300; line-height:1.6;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* tipografía base */
h1,h2,h3{font-family:var(--sg);color:var(--titulo);line-height:1.12;letter-spacing:-0.01em}
h1{font-size:clamp(34px,6vw,56px);font-weight:700}
h2{font-size:clamp(27px,4vw,38px);font-weight:600}
h3{font-size:19px;font-weight:500}
.eyebrow{font-family:var(--dm);font-size:12px;font-weight:500;letter-spacing:0.3em;
  text-transform:uppercase;color:var(--violeta)}
.grad{background:linear-gradient(100deg,var(--turq),var(--violeta));
  -webkit-background-clip:text;background-clip:text;color:transparent}

/* ───── Botones ───── */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--of);font-weight:600;
  font-size:15px;border:none;border-radius:999px;cursor:pointer;padding:13px 22px;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn--wa{background:var(--wa);color:#06281a}
.btn--wa:hover{background:var(--wa-d);box-shadow:0 8px 24px rgba(37,211,102,.28)}
.btn--ghost{background:transparent;color:var(--titulo);border:1px solid var(--line)}
.btn--ghost:hover{border-color:var(--violeta);color:#fff}
.btn--lg{padding:16px 28px;font-size:16px}
.btn--xl{padding:18px 34px;font-size:18px}
.ico-wa{width:20px;height:20px;fill:currentColor;flex:none}

/* ───── NAV ───── */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:20px;
  padding:14px clamp(16px,4vw,40px);background:rgba(12,13,28,.82);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav__brand{display:flex;align-items:center;gap:11px}
.nav__mark{width:30px;height:auto}
.nav__word{font-family:var(--sg);font-weight:500;font-size:20px;letter-spacing:.14em;color:var(--titulo)}
.nav__word b{color:var(--violeta);font-weight:700}
.nav__links{display:flex;gap:26px;margin-left:auto;font-size:15px;color:var(--lila)}
.nav__links a:hover{color:#fff}
.nav__cta{margin-left:0}
@media(max-width:860px){.nav__links{display:none}.nav__cta{margin-left:auto}}

/* ───── HERO ───── */
.hero{position:relative;max-width:var(--maxw);margin:0 auto;
  padding:clamp(56px,9vw,110px) clamp(16px,4vw,40px) clamp(40px,6vw,80px);
  display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center}
.hero__inner{max-width:640px}
.hero h1{margin:16px 0 0}
.hero__lead{font-size:clamp(16px,2.1vw,19px);margin-top:20px;color:var(--cuerpo);max-width:560px}
.hero__lead b{color:var(--titulo);font-weight:600}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__note{font-family:var(--dm);font-size:12px;color:var(--muted);margin-top:18px;letter-spacing:.02em}
.hero__art{display:flex;justify-content:center;align-items:center}
.hero__art svg{width:min(260px,60%);height:auto;
  filter:drop-shadow(0 24px 60px rgba(128,128,184,.28));animation:rise 1s ease both}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@media(max-width:820px){.hero{grid-template-columns:1fr;padding-top:48px}
  .hero__art{order:-1;justify-content:flex-start}.hero__art svg{width:120px}}

/* ───── VALUE ───── */
.value{max-width:var(--maxw);margin:0 auto;padding:0 clamp(16px,4vw,40px) clamp(20px,4vw,40px)}
.value__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.value__item{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px 20px}
.value__k{display:block;font-family:var(--sg);font-weight:700;font-size:22px;
  background:linear-gradient(100deg,var(--turq),var(--violeta));-webkit-background-clip:text;
  background-clip:text;color:transparent;margin-bottom:8px}
.value__item p{font-size:14.5px;color:var(--cuerpo)}
@media(max-width:780px){.value__grid{grid-template-columns:1fr 1fr}}

/* ───── SECTION genérica ───── */
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(56px,8vw,96px) clamp(16px,4vw,40px)}
.section--alt{background:
  radial-gradient(1200px 400px at 50% -10%,rgba(128,128,184,.10),transparent 70%);}
.section__head{max-width:680px;margin:0 auto clamp(34px,5vw,52px);text-align:center}
.section__head h2{margin:10px 0 0}
.section__sub{margin-top:16px;font-size:16px;color:var(--cuerpo)}

/* ───── SERVICIOS ───── */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;
  transition:transform .18s ease,border-color .18s ease,background .18s ease}
.card:hover{transform:translateY(-4px);border-color:var(--violeta);background:var(--card-2)}
.card__ico{font-size:26px;margin-bottom:14px}
.card h3{margin-bottom:8px}
.card p{font-size:14.5px;color:var(--cuerpo)}
@media(max-width:980px){.cards{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.cards{grid-template-columns:1fr}}

/* ───── SELECTOR DE RUBROS ───── */
.rubros{max-width:880px;margin:0 auto}
.rubros__label{font-family:var(--dm);font-size:11px;letter-spacing:.25em;text-transform:uppercase;
  color:var(--muted);display:block;margin-bottom:12px;text-align:center}
.rubros__chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:22px}
.chip{font-family:var(--of);font-weight:600;font-size:14.5px;color:var(--lila);cursor:pointer;
  background:var(--card);border:1px solid var(--line);border-radius:999px;padding:11px 18px;
  transition:all .15s ease}
.chip:hover{border-color:var(--violeta);color:#fff}
.chip.is-active{background:linear-gradient(100deg,rgba(95,175,168,.18),rgba(128,128,184,.22));
  border-color:var(--violeta);color:#fff}
.rubros__select{display:none;width:100%;font-family:var(--of);font-size:16px;color:var(--titulo);
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:22px}
.rubros__panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:clamp(22px,4vw,34px);min-height:220px}
.rubros__panel h3{color:var(--titulo);margin-bottom:6px}
.rubros__panel .panel-sub{color:var(--lila);font-size:14.5px;margin-bottom:22px}
.uses{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.use{display:flex;gap:12px;align-items:flex-start;background:var(--page);border:1px solid var(--line);
  border-radius:12px;padding:15px 16px}
.use__dot{flex:none;width:9px;height:9px;border-radius:3px;margin-top:6px;
  background:linear-gradient(135deg,var(--turq),var(--violeta))}
.use h4{font-family:var(--of);font-weight:600;font-size:15px;color:var(--titulo);margin-bottom:3px}
.use p{font-size:13.5px;color:var(--cuerpo)}
.rubros__cta{display:flex;margin:26px auto 0;width:fit-content}
@media(max-width:620px){
  .rubros__chips{display:none}.rubros__select{display:block}.uses{grid-template-columns:1fr}}

/* ───── STEPS ───── */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;list-style:none;counter-reset:s}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px 18px}
.step__n{font-family:var(--dm);font-size:13px;font-weight:500;color:var(--turq);letter-spacing:.1em}
.step h3{margin:12px 0 6px;font-size:17px}
.step p{font-size:13.5px;color:var(--cuerpo)}
@media(max-width:980px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}

/* ───── CASOS (mockups tipo captura) ───── */
.casos{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:980px;margin:0 auto}
.shot{display:flex;flex-direction:column;gap:12px}
.shot__frame{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  box-shadow:0 18px 50px rgba(0,0,0,.35)}
.shot__bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:var(--navy);
  border-bottom:1px solid var(--line)}
.shot__bar i{width:10px;height:10px;border-radius:50%;background:#33365e}
.shot__bar i:nth-child(1){background:#4a3050}.shot__bar i:nth-child(2){background:#3a4a50}
.shot__url{font-family:var(--dm);font-size:11px;color:var(--muted);margin-left:8px}
.shot__body{padding:20px;min-height:280px}
.shot__img{width:100%;height:auto;max-height:360px;object-fit:cover;object-position:top center;display:block}
.shot figcaption{font-size:14.5px;color:var(--cuerpo);display:flex;align-items:center;gap:10px}
.caso__tag{font-family:var(--dm);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  padding:4px 9px;border-radius:6px}
.caso__tag--demo{background:rgba(128,128,184,.18);color:var(--lila)}
.caso__tag--real{background:rgba(95,175,168,.18);color:var(--turq)}
.casos__note{max-width:980px;margin:22px auto 0;font-family:var(--dm);font-size:12px;color:var(--muted)}
.casos__note code{background:var(--card);padding:2px 6px;border-radius:5px;color:var(--lila)}

/* mockup: app jurídica */
.legalapp{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.legalapp__lbl{font-family:var(--dm);font-size:10px;letter-spacing:.15em;text-transform:uppercase;
  color:var(--muted);display:block;margin-bottom:6px}
.legalapp__col>.legalapp__lbl:not(:first-child){margin-top:14px}
.legalapp__field{background:var(--page);border:1px solid var(--line);border-radius:8px;
  padding:10px 12px;font-size:12.5px;color:var(--cuerpo)}
.legalapp__field--multi{line-height:1.5}
.legalapp__go{margin-top:14px;width:100%;background:linear-gradient(100deg,var(--turq),var(--violeta));
  color:#06281a;border:none;border-radius:8px;padding:10px;font-family:var(--of);font-weight:600;font-size:13px;cursor:default}
.legalapp__out{background:var(--page);border:1px solid var(--line);border-radius:8px;padding:14px}
.legalapp__out p{font-size:12px;color:var(--cuerpo);line-height:1.55;margin-bottom:8px}
@media(max-width:520px){.legalapp{grid-template-columns:1fr}}

/* ───── CTA FINAL ───── */
.cta{max-width:var(--maxw);margin:0 auto;padding:clamp(56px,8vw,96px) clamp(16px,4vw,40px)}
.cta__inner{background:linear-gradient(135deg,rgba(95,175,168,.12),rgba(128,128,184,.16));
  border:1px solid var(--line);border-radius:24px;padding:clamp(40px,7vw,72px);text-align:center}
.cta h2{margin:12px 0 0}
.cta__lead{font-size:17px;color:var(--cuerpo);max-width:520px;margin:18px auto 30px}
.cta__alt{font-family:var(--dm);font-size:13px;color:var(--muted);margin-top:18px}
.cta__alt a{color:var(--lila);border-bottom:1px solid var(--line)}

/* ───── FOOTER ───── */
.footer{border-top:1px solid var(--line);padding:40px clamp(16px,4vw,40px);text-align:center}
.footer__brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--sg);font-size:18px;color:var(--titulo)}
.footer__brand b{color:var(--violeta)}
.footer__mark{width:26px;height:auto}
.footer__txt{font-size:14px;color:var(--cuerpo);margin-top:12px}
.footer__copy{font-family:var(--dm);font-size:12px;color:var(--muted);margin-top:8px}

/* ───── WhatsApp flotante ───── */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;width:58px;height:58px;border-radius:50%;
  background:var(--wa);display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 30px rgba(37,211,102,.42);transition:transform .15s ease}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:30px;height:30px;fill:#06281a}
@media(max-width:520px){.wa-float{width:54px;height:54px}}

@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto}}