/* ═══════════════════════════════════════════════════════════════════════
   Loureiro Soluciones — hoja de estilos única
   Paleta: grafito + ámbar. Sin frameworks, sin build.
   ═══════════════════════════════════════════════════════════════════════ */

/* ── Tokens ─────────────────────────────────────────────────────────── */
:root{
  --ink:        #14161A;
  --ink-2:      #1B1E24;
  --ink-3:      #262A32;
  --amber:      #F97316;
  --amber-d:    #DD5F07;
  --amber-soft: rgba(249,115,22,.12);
  --sand:       #F7F5F2;
  --white:      #FFFFFF;
  --txt:        #22252B;
  --muted:      #6C7079;
  --muted-d:    #9AA0AA;
  --line:       rgba(20,22,26,.10);
  --line-d:     rgba(255,255,255,.10);

  --ff-head: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ff-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --r:    14px;
  --r-lg: 22px;
  --wrap: 1180px;
  --pad:  clamp(20px, 5vw, 40px);
  --sec:  clamp(72px, 10vw, 128px);

  --sh:    0 1px 2px rgba(20,22,26,.05), 0 8px 28px rgba(20,22,26,.06);
  --sh-lg: 0 2px 4px rgba(20,22,26,.06), 0 22px 60px rgba(20,22,26,.12);
  --ease:  cubic-bezier(.22,.61,.36,1);
}

/* ── Reset ──────────────────────────────────────────────────────────── */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  font-family:var(--ff-body);
  font-size:clamp(15.5px,.55vw + 14.4px,17px);
  line-height:1.65;
  color:var(--txt);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{ max-width:100%; display:block; }
a{ color:inherit; }
h1,h2,h3,h4{
  font-family:var(--ff-head);
  font-weight:700;
  line-height:1.08;
  letter-spacing:-.025em;
  margin:0;
  text-wrap:balance;
}
p{ margin:0; text-wrap:pretty; }
ul,ol{ margin:0; padding:0; list-style:none; }
button,input,select,textarea{ font:inherit; color:inherit; }

:focus-visible{ outline:3px solid var(--amber); outline-offset:3px; border-radius:4px; }

.skip{
  position:absolute; left:-9999px; top:12px; z-index:200;
  background:var(--ink); color:#fff; padding:12px 20px; border-radius:8px;
}
.skip:focus{ left:12px; }

/* ── Layout ─────────────────────────────────────────────────────────── */
.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--pad); }
.wrap--narrow{ max-width:820px; }
.sec{ padding-block:var(--sec); position:relative; }

.sec--dark{ background:var(--ink); color:var(--white); }
.sec--dark h2,.sec--dark h3{ color:var(--white); }
.sec--dark .sec__lead{ color:var(--muted-d); }
.sec--band{ background:var(--sand); }

.sec__head{ max-width:720px; margin-bottom:clamp(40px,5vw,64px); }
.sec__head h2{ font-size:clamp(1.9rem,3.6vw,3rem); }
.sec__lead{ color:var(--muted); font-size:1.05em; margin-top:18px; }

.eyebrow{
  font-family:var(--ff-head);
  font-size:.76rem; font-weight:700; letter-spacing:.16em; text-transform:uppercase;
  color:var(--amber); margin-bottom:14px;
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:""; width:26px; height:2px; background:var(--amber); flex:none; }

/* ── Botones ────────────────────────────────────────────────────────── */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--ff-head); font-weight:600; font-size:.98rem;
  padding:15px 28px; border-radius:100px; border:1.5px solid transparent;
  text-decoration:none; cursor:pointer; white-space:nowrap;
  transition:transform .18s var(--ease), background .18s var(--ease),
             color .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.btn--amber{ background:var(--amber); color:#fff; box-shadow:0 6px 20px rgba(249,115,22,.28); }
.btn--amber:hover{ background:var(--amber-d); transform:translateY(-2px); box-shadow:0 10px 28px rgba(249,115,22,.34); }
.btn--ghost{ border-color:var(--line); color:var(--txt); background:transparent; }
.btn--ghost:hover{ border-color:var(--ink); transform:translateY(-2px); }
.btn--sm{ padding:11px 20px; font-size:.9rem; }
.btn--full{ width:100%; padding-block:17px; }

/* ── Header ─────────────────────────────────────────────────────────── */
.hdr{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.hdr.is-stuck{ border-bottom-color:var(--line); box-shadow:0 2px 20px rgba(20,22,26,.05); }
.hdr__in{ display:flex; align-items:center; justify-content:space-between; gap:24px; min-height:74px; }

.brand{ display:flex; align-items:center; gap:11px; text-decoration:none; color:var(--ink); flex:none; }
.brand__mark{ width:34px; height:34px; flex:none; }
.brand__txt{
  font-family:var(--ff-head); font-weight:800; font-size:1.18rem;
  letter-spacing:-.03em; line-height:1;
}
.brand__txt em{ font-style:normal; font-weight:500; color:var(--muted); }
.brand--foot{ color:var(--white); }
.brand--foot .brand__txt em{ color:var(--muted-d); }

.nav{ display:flex; align-items:center; gap:30px; }
.nav a:not(.btn){
  text-decoration:none; font-size:.95rem; font-weight:500; color:var(--txt);
  position:relative; padding-block:4px;
}
.nav a:not(.btn)::after{
  content:""; position:absolute; left:0; bottom:0; width:0; height:2px;
  background:var(--amber); transition:width .22s var(--ease);
}
.nav a:not(.btn):hover::after{ width:100%; }

.burger{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:44px; height:44px; padding:0 10px;
  background:none; border:0; cursor:pointer;
}
.burger span{
  display:block; height:2px; width:100%; background:var(--ink); border-radius:2px;
  transition:transform .28s var(--ease), opacity .18s var(--ease);
}
.burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.burger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ── Hero ───────────────────────────────────────────────────────────── */
.hero{
  position:relative; overflow:hidden;
  background:var(--ink); color:var(--white);
  padding-block:clamp(80px,12vw,150px) clamp(72px,10vw,120px);
}
.hero__grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line-d) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-d) 1px, transparent 1px);
  background-size:74px 74px;
  mask-image:radial-gradient(ellipse 85% 70% at 72% 18%, #000 10%, transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse 85% 70% at 72% 18%, #000 10%, transparent 72%);
  opacity:.9;
}
.hero::after{
  content:""; position:absolute; z-index:0;
  width:min(620px,80vw); aspect-ratio:1; right:-14%; top:-24%;
  background:radial-gradient(circle, rgba(249,115,22,.30), transparent 62%);
  filter:blur(20px); pointer-events:none;
}
.hero__in{ position:relative; z-index:1; }
.hero__h1{
  font-size:clamp(2.5rem,6.6vw,5rem);
  font-weight:800; letter-spacing:-.038em; max-width:16ch;
}
.hero__h1 .hl{
  background:linear-gradient(100deg,var(--amber),#FBA94C);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero__lead{
  max-width:56ch; margin-top:26px;
  font-size:clamp(1.02rem,1.3vw,1.22rem); color:var(--muted-d); line-height:1.6;
}
.hero__cta{ display:flex; flex-wrap:wrap; gap:14px; margin-top:38px; }
.hero .btn--ghost{ color:#fff; border-color:rgba(255,255,255,.24); }
.hero .btn--ghost:hover{ border-color:#fff; background:rgba(255,255,255,.06); }

.trust{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(170px,1fr));
  gap:clamp(20px,3vw,44px);
  margin-top:clamp(52px,7vw,84px); padding-top:34px;
  border-top:1px solid var(--line-d);
}
.trust li{ display:flex; flex-direction:column; gap:2px; }
.trust b{
  font-family:var(--ff-head); font-size:clamp(1.8rem,3vw,2.4rem);
  font-weight:800; color:var(--amber); letter-spacing:-.03em; line-height:1;
}
.trust span{ font-size:.92rem; color:var(--muted-d); margin-top:8px; }

/* ── Tarjetas de servicio ───────────────────────────────────────────── */
.cards{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(268px,1fr));
  gap:clamp(16px,1.8vw,22px);
}
.card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:clamp(26px,3vw,34px);
  display:flex; flex-direction:column; gap:12px;
  position:relative; overflow:hidden;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card::before{
  content:""; position:absolute; left:0; top:0; height:3px; width:0;
  background:var(--amber); transition:width .35s var(--ease);
}
.card:hover{ transform:translateY(-5px); box-shadow:var(--sh-lg); border-color:transparent; }
.card:hover::before{ width:100%; }
.card--wide{
  grid-column:span 2; background:var(--sand); border-color:transparent;
}
.card--wide h3{ font-size:clamp(1.5rem,2.4vw,2rem); }
.card__ico{
  width:50px; height:50px; border-radius:13px; flex:none;
  display:grid; place-items:center;
  background:var(--amber-soft); color:var(--amber); margin-bottom:6px;
}
.card__ico svg{
  width:25px; height:25px; fill:none; stroke:currentColor;
  stroke-width:1.7; stroke-linecap:round; stroke-linejoin:round;
}
.card h3{ font-size:1.2rem; }
.card p{ color:var(--muted); font-size:.96rem; }
.card__tag{
  margin-top:auto; padding-top:12px;
  font-family:var(--ff-head); font-size:.76rem; font-weight:700;
  letter-spacing:.1em; text-transform:uppercase; color:var(--amber);
}
.cards__foot{ margin-top:34px; color:var(--muted); }
.cards__foot a{ color:var(--amber); font-weight:600; text-underline-offset:3px; }

/* ── Por qué ────────────────────────────────────────────────────────── */
.why{ display:grid; grid-template-columns:repeat(auto-fit,minmax(258px,1fr)); gap:clamp(28px,3.4vw,44px); }
.why__item{ border-top:1px solid var(--line-d); padding-top:24px; }
.why__n{
  font-family:var(--ff-head); font-size:.82rem; font-weight:700;
  letter-spacing:.14em; color:var(--amber); display:block; margin-bottom:14px;
}
.why__item h3{ font-size:1.22rem; margin-bottom:10px; }
.why__item p{ color:var(--muted-d); font-size:.96rem; }

/* ── Proceso ────────────────────────────────────────────────────────── */
.steps{ display:grid; grid-template-columns:repeat(auto-fit,minmax(232px,1fr)); gap:clamp(24px,3vw,36px); counter-reset:s; }
.steps li{ position:relative; padding-top:26px; border-top:2px solid var(--line); }
.steps li::after{
  content:""; position:absolute; left:0; top:-2px; height:2px; width:0;
  background:var(--amber); transition:width .7s var(--ease) .15s;
}
.steps li.is-in::after{ width:100%; }
.steps__n{
  font-family:var(--ff-head); font-size:2.6rem; font-weight:800;
  color:var(--line); line-height:1; display:block; margin-bottom:14px;
  letter-spacing:-.04em;
}
.steps h3{ font-size:1.16rem; margin-bottom:8px; }
.steps p{ color:var(--muted); font-size:.95rem; }

/* ── Zona ───────────────────────────────────────────────────────────── */
.zona{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(36px,5vw,72px); align-items:center; }
.zona h2{ font-size:clamp(1.9rem,3.4vw,2.8rem); }
.zona .btn{ margin-top:28px; }
.zona__list{ display:flex; flex-wrap:wrap; gap:10px; align-content:center; }
.zona__list li{
  background:var(--white); border:1px solid var(--line); border-radius:100px;
  padding:9px 18px; font-size:.9rem; font-weight:500; color:var(--txt);
  transition:border-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}
.zona__list li:hover{ border-color:var(--amber); color:var(--amber); transform:translateY(-2px); }

/* ── FAQ ────────────────────────────────────────────────────────────── */
.faq details{ border-bottom:1px solid var(--line); }
.faq summary{
  font-family:var(--ff-head); font-weight:600; font-size:1.05rem;
  padding:22px 44px 22px 0; cursor:pointer; list-style:none; position:relative;
  transition:color .2s var(--ease);
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary:hover{ color:var(--amber); }
.faq summary::after{
  content:""; position:absolute; right:8px; top:50%;
  width:11px; height:11px; margin-top:-7px;
  border-right:2px solid var(--amber); border-bottom:2px solid var(--amber);
  transform:rotate(45deg); transition:transform .28s var(--ease);
}
.faq details[open] summary::after{ transform:rotate(-135deg); margin-top:-2px; }
.faq details p{ color:var(--muted); padding-bottom:24px; max-width:68ch; }

/* ── Contacto ───────────────────────────────────────────────────────── */
.contacto{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(40px,5vw,80px); align-items:start; }
.contacto h2{ font-size:clamp(1.9rem,3.4vw,2.8rem); }
.contacto__list{ margin-top:44px; display:grid; gap:26px; }
.contacto__lbl{
  display:block; font-size:.78rem; font-weight:600; letter-spacing:.13em;
  text-transform:uppercase; color:var(--muted-d); margin-bottom:6px;
}
.contacto__big{
  font-family:var(--ff-head); font-size:clamp(1.15rem,2vw,1.5rem); font-weight:600;
  color:#fff; text-decoration:none; letter-spacing:-.02em;
  border-bottom:2px solid transparent; transition:border-color .2s var(--ease), color .2s var(--ease);
  display:inline-block; word-break:break-word;
}
a.contacto__big:hover{ color:var(--amber); border-bottom-color:var(--amber); }
.contacto__big--plain{ color:var(--muted-d); font-weight:500; }

/* ── Formulario ─────────────────────────────────────────────────────── */
.form{
  background:var(--ink-2); border:1px solid var(--line-d); border-radius:var(--r-lg);
  padding:clamp(24px,3vw,36px); display:grid; gap:18px;
}
.form__two{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form__row{ display:grid; gap:7px; }
.form label{ font-size:.87rem; font-weight:500; color:var(--muted-d); }
.form label .opt{ color:#5B6069; }
.form input,.form select,.form textarea{
  width:100%; background:var(--ink-3); border:1.5px solid transparent;
  border-radius:var(--r); padding:13px 15px; color:#fff; font-size:.96rem;
  transition:border-color .2s var(--ease), background .2s var(--ease);
}
.form textarea{ resize:vertical; min-height:112px; }
.form input::placeholder,.form textarea::placeholder{ color:#5B6069; }
.form input:focus,.form select:focus,.form textarea:focus{
  outline:none; border-color:var(--amber); background:#2E333C;
}
.form select{ appearance:none; cursor:pointer;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%239AA0AA' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 16px center; background-size:12px;
  padding-right:42px;
}
.form :invalid:not(:placeholder-shown):not(select){ border-color:#C2410C; }
.form .is-err{ border-color:#EF4444 !important; }

.hp{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }

.check{ display:flex; gap:11px; align-items:flex-start; font-size:.88rem; color:var(--muted-d); cursor:pointer; }
.check input{ width:17px; height:17px; margin-top:3px; flex:none; accent-color:var(--amber); cursor:pointer; }
.check a{ color:var(--amber); }

.form__msg{ font-size:.92rem; min-height:1.2em; }
.form__msg.ok{ color:#4ADE80; }
.form__msg.err{ color:#FCA5A5; }
.btn[disabled]{ opacity:.55; pointer-events:none; }

/* ── Footer ─────────────────────────────────────────────────────────── */
.foot{ background:var(--ink); color:var(--muted-d); padding-top:clamp(56px,7vw,84px); border-top:1px solid var(--line-d); }
.foot__in{ display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:clamp(30px,4vw,56px); padding-bottom:52px; }
.foot__brand p{ margin-top:16px; font-size:.93rem; max-width:38ch; }
.foot__nav{ display:flex; flex-direction:column; gap:9px; }
.foot__nav h4{ font-size:.78rem; letter-spacing:.13em; text-transform:uppercase; color:#fff; margin-bottom:6px; }
.foot__nav a,.foot__nav span{ font-size:.92rem; text-decoration:none; transition:color .18s var(--ease); }
.foot__nav a:hover{ color:var(--amber); }
.foot__bar{
  display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px;
  padding-block:22px; border-top:1px solid var(--line-d); font-size:.86rem;
}
.foot__bar a{ text-decoration:none; }
.foot__bar a:hover{ color:var(--amber); }

/* ── WhatsApp flotante ──────────────────────────────────────────────── */
.wa{
  position:fixed; right:20px; bottom:20px; z-index:90;
  width:56px; height:56px; border-radius:50%;
  display:grid; place-items:center;
  background:#25D366; color:#fff;
  box-shadow:0 6px 24px rgba(37,211,102,.4);
  transition:transform .22s var(--ease), box-shadow .22s var(--ease);
}
.wa svg{ width:28px; height:28px; }
.wa:hover{ transform:scale(1.08); box-shadow:0 10px 30px rgba(37,211,102,.5); }

/* ── Reveal ─────────────────────────────────────────────────────────── */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .65s var(--ease), transform .65s var(--ease); }
.reveal.is-in{ opacity:1; transform:none; }

/* ── Responsive ─────────────────────────────────────────────────────── */
@media (max-width:960px){
  .zona,.contacto{ grid-template-columns:1fr; }
  .foot__in{ grid-template-columns:1fr 1fr; }
  .foot__brand{ grid-column:1/-1; }
  .card--wide{ grid-column:span 1; }
}

@media (max-width:820px){
  .burger{ display:flex; }
  .nav{
    position:fixed; inset:74px 0 auto 0;
    flex-direction:column; align-items:stretch; gap:0;
    background:var(--white); border-bottom:1px solid var(--line);
    padding:8px var(--pad) 26px;
    box-shadow:0 20px 40px rgba(20,22,26,.10);
    transform:translateY(-12px); opacity:0; pointer-events:none;
    transition:transform .26s var(--ease), opacity .26s var(--ease);
    max-height:calc(100dvh - 74px); overflow-y:auto;
  }
  .nav.is-open{ transform:none; opacity:1; pointer-events:auto; }
  .nav a:not(.btn){ padding:15px 0; border-bottom:1px solid var(--line); font-size:1.02rem; }
  .nav a:not(.btn)::after{ display:none; }
  .nav .btn{ margin-top:18px; }
}

@media (max-width:560px){
  .form__two{ grid-template-columns:1fr; }
  .foot__in{ grid-template-columns:1fr; }
  .hero__cta .btn{ width:100%; }
  .wa{ width:52px; height:52px; right:16px; bottom:16px; }
}

/* ── Accesibilidad: menos movimiento ────────────────────────────────── */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.01ms !important; transition-duration:.01ms !important; }
  .reveal{ opacity:1; transform:none; }
  .steps li::after{ width:100%; }
}

/* ── Impresión ──────────────────────────────────────────────────────── */
@media print{
  .hdr,.wa,.form,.burger{ display:none !important; }
  body{ color:#000; background:#fff; }
  .sec--dark,.hero{ background:#fff !important; color:#000 !important; }
}