/* =========================================================
   SIC · Servicios Integrales Castillo
   Paleta tomada de la papelería de la marca (azul marino + rojo)
   ========================================================= */

:root{
  --navy-900:#0A1F45;
  --navy-800:#0E2A5C;
  --navy-700:#14367A;
  --blue-600:#1B4BA8;
  --blue-500:#2563C9;
  --red-600:#C2181F;
  --red-500:#D22630;
  --wa:#25D366;
  --wa-dark:#1EA855;

  --ink:#14181F;
  --ink-2:#3C4552;
  --muted:#69737F;
  --line:#E3E8EF;
  --bg:#FFFFFF;
  --bg-alt:#F4F7FB;

  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(10,31,69,.06), 0 2px 8px rgba(10,31,69,.05);
  --shadow-md:0 6px 18px rgba(10,31,69,.09), 0 2px 6px rgba(10,31,69,.06);
  --shadow-lg:0 18px 40px rgba(10,31,69,.14);

  --display:"Barlow Condensed", "Arial Narrow", system-ui, sans-serif;
  --body:"Barlow", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --wrap:1180px;
  --mobile-bar-h:60px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

body{
  margin:0;
  font-family:var(--body);
  color:var(--ink);
  background:var(--bg);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-600)}

h1,h2,h3{font-family:var(--display);line-height:1.05;letter-spacing:.005em;margin:0;text-wrap:balance}
h1{font-size:clamp(2.6rem,7.4vw,4.4rem);font-weight:700;text-transform:uppercase;color:var(--navy-800)}
h2{font-size:clamp(2rem,5vw,3rem);font-weight:700;text-transform:uppercase;color:var(--navy-800)}
h3{font-size:1.35rem;font-weight:700;color:var(--navy-800)}
p{margin:0 0 1rem}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:20px}
.wrap--narrow{max-width:820px}
.sprite{display:none}
.hl{color:var(--red-500)}

.ico{width:1.15em;height:1.15em;flex:none;fill:none;stroke:currentColor;stroke-width:1.9;
     stroke-linecap:round;stroke-linejoin:round}
/* WhatsApp y el rayo son glifos sólidos: el <symbol> trae su propio fill/stroke */

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0
}

.skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:var(--navy-800);padding:.7rem 1rem;z-index:200;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

:where(a,button,input,select,textarea,summary):focus-visible{
  outline:3px solid var(--blue-500);outline-offset:2px;border-radius:6px
}

/* ---------------- Botones ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:var(--display);font-weight:700;font-size:1.2rem;text-transform:uppercase;
  letter-spacing:.02em;line-height:1;
  padding:.95rem 1.5rem;border-radius:999px;border:2px solid transparent;
  text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:transform .15s ease, box-shadow .15s ease, background-color .15s ease, color .15s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--wa{background:var(--wa);color:#08331B;box-shadow:0 6px 16px rgba(37,211,102,.35)}
.btn--wa:hover{background:var(--wa-dark);color:#fff}
.btn--ghost{background:#fff;color:var(--navy-800);border-color:var(--navy-800)}
.btn--ghost:hover{background:var(--navy-800);color:#fff}
.btn--outline{background:transparent;color:var(--navy-800);border-color:var(--line)}
.btn--outline:hover{border-color:var(--navy-800);background:var(--navy-800);color:#fff}
.btn--light{background:#fff;color:var(--navy-800)}
.btn--light:hover{background:#EAF0FA}
.btn--sm{font-size:1rem;padding:.65rem 1.1rem}
.btn--block{width:100%}

/* ---------------- Topbar ---------------- */
.topbar{background:var(--red-600);color:#fff;font-size:.9rem}
.topbar__in{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:38px}
.topbar__claim{display:flex;align-items:center;gap:.5rem;margin:0;
  font-family:var(--display);font-size:1.05rem;text-transform:uppercase;letter-spacing:.04em;font-weight:600}
.topbar__tel{display:none;align-items:center;gap:.45rem;color:#fff;text-decoration:none;font-weight:700}
.topbar__tel:hover{text-decoration:underline}
@media(min-width:640px){.topbar__tel{display:inline-flex}}

/* ---------------- Header ---------------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.site-header__in{display:flex;align-items:center;gap:1rem;min-height:72px}
.brand{margin-right:auto;display:block}
.brand img{width:auto;height:44px}

.nav{display:none;gap:1.6rem}
.nav a{
  font-family:var(--display);font-size:1.18rem;font-weight:600;text-transform:uppercase;
  letter-spacing:.02em;color:var(--navy-800);text-decoration:none;padding:.35rem 0;
  border-bottom:2px solid transparent
}
.nav a:hover{color:var(--red-500);border-color:var(--red-500)}
.header-cta{display:none}
@media(min-width:960px){
  .nav{display:flex}
  .header-cta{display:inline-flex}
}

.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:46px;height:42px;padding:0 10px;background:#fff;border:1px solid var(--line);
  border-radius:10px;cursor:pointer
}
.nav-toggle span{display:block;height:2.5px;background:var(--navy-800);border-radius:2px;transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
@media(min-width:960px){.nav-toggle{display:none}}

/* menú móvil abierto */
@media(max-width:959px){
  .nav.is-open{
    display:flex;flex-direction:column;gap:0;
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);padding:.5rem 20px 1rem
  }
  .nav.is-open a{padding:.9rem 0;border-bottom:1px solid var(--line)}
  .nav.is-open a:last-child{border-bottom:0}
}

/* ---------------- Hero ---------------- */
.hero{
  position:relative;
  background:
    radial-gradient(1100px 480px at 82% -8%, rgba(27,75,168,.16), transparent 62%),
    linear-gradient(180deg,#F7FAFF 0%, #FFFFFF 78%);
  padding:2.6rem 0 2rem;overflow:hidden
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:6px;
  background:linear-gradient(90deg,var(--navy-800) 0 55%, var(--red-600) 55% 100%)
}
.hero__in{display:grid;gap:1.6rem;align-items:center}
@media(min-width:900px){.hero__in{grid-template-columns:1.15fr .85fr;gap:2.5rem}}

.eyebrow{
  font-family:var(--display);font-weight:700;text-transform:uppercase;letter-spacing:.14em;
  color:var(--red-600);font-size:1rem;margin:0 0 .5rem
}
.eyebrow--c{text-align:center}
.eyebrow--light{color:#FFC94D}

h1 span{display:block;color:var(--red-500)}
.hero__lead{font-size:1.15rem;color:var(--ink-2);max-width:56ch;margin-top:1.1rem}
.hero__ctas{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}
.hero__note{margin-top:1rem;font-size:.95rem;color:var(--muted)}

.hero__art{justify-self:center;position:relative;max-width:400px;width:100%;isolation:isolate}
.hero__art img{
  position:relative;z-index:1;
  width:100%;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);border:5px solid #fff
}
.hero__art::before{
  content:"";position:absolute;inset:auto -14px -14px auto;width:62%;height:62%;z-index:0;
  background:linear-gradient(135deg,var(--red-500),var(--navy-800));
  border-radius:var(--radius-lg);opacity:.2
}

/* insignias */
.badges{
  list-style:none;margin:2.2rem 0 0;padding:1rem 1.2rem;
  display:grid;gap:.9rem;grid-template-columns:1fr 1fr;
  background:var(--navy-800);color:#fff;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md)
}
@media(min-width:820px){.badges{grid-template-columns:repeat(4,1fr);padding:1.15rem 1.6rem;gap:1.2rem}}
.badges li{display:flex;align-items:center;gap:.7rem;font-size:.95rem;line-height:1.25}
.badges li + li{border-left:0}
@media(min-width:820px){.badges li + li{border-left:1px solid rgba(255,255,255,.18);padding-left:1.2rem}}
.badges .ico{width:26px;height:26px;color:#9FC0FF;stroke-width:1.7}
.badges strong{display:block;font-family:var(--display);font-size:1.15rem;text-transform:uppercase;letter-spacing:.02em}

/* ---------------- Secciones ---------------- */
.section{padding:3.4rem 0}
@media(min-width:900px){.section{padding:4.6rem 0}}
.section--alt{background:var(--bg-alt)}
.section__head{text-align:center;max-width:760px;margin:0 auto 2.2rem}
.section__sub{color:var(--ink-2);font-size:1.08rem;margin-top:.9rem}
.section__foot{text-align:center;margin-top:2rem;color:var(--ink-2)}

.grid{list-style:none;margin:0;padding:0;display:grid;gap:1rem}
.grid--services{grid-template-columns:1fr}
@media(min-width:560px){.grid--services{grid-template-columns:repeat(2,1fr)}}
@media(min-width:900px){.grid--services{grid-template-columns:repeat(3,1fr);gap:1.15rem}}
@media(min-width:1100px){.grid--services{grid-template-columns:repeat(4,1fr)}}

/* tarjeta de servicio */
.svc{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease
}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent}
.svc__bar{height:6px;background:var(--c)}
.svc__body{padding:1.25rem 1.25rem 1.4rem;display:flex;flex-direction:column;flex:1}
.svc__ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:color-mix(in srgb, var(--c) 12%, #fff);color:var(--c);margin-bottom:.9rem
}
.svc__ico svg{width:29px;height:29px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.svc h3{font-size:1.3rem;text-transform:uppercase;color:var(--c);margin-bottom:.55rem}
.svc ul{list-style:none;margin:0 0 1.1rem;padding:0;display:grid;gap:.35rem}
.svc li{position:relative;padding-left:1rem;font-size:.97rem;color:var(--ink-2);line-height:1.4}
.svc li::before{content:"";position:absolute;left:0;top:.6em;width:6px;height:6px;border-radius:50%;background:var(--c)}
.svc__cta{
  margin-top:auto;display:inline-flex;align-items:center;gap:.45rem;align-self:flex-start;
  font-family:var(--display);font-size:1.05rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.02em;color:var(--navy-800);text-decoration:none;
  border-bottom:2px solid var(--line);padding-bottom:.15rem
}
.svc__cta:hover{color:var(--wa-dark);border-color:var(--wa)}
.svc__cta .ico{width:1.05em;height:1.05em}

/* ---------------- Pasos ---------------- */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:1.1rem;counter-reset:s}
@media(min-width:820px){.steps{grid-template-columns:repeat(3,1fr);gap:1.4rem}}
.steps li{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:2rem 1.4rem 1.5rem;box-shadow:var(--shadow-sm)
}
.steps__n{
  position:absolute;top:-18px;left:1.4rem;width:44px;height:44px;border-radius:50%;
  background:var(--red-600);color:#fff;display:grid;place-items:center;
  font-family:var(--display);font-size:1.5rem;font-weight:700;box-shadow:var(--shadow-sm)
}
.steps__ico{width:34px;height:34px;color:var(--blue-600);fill:none;stroke:currentColor;
  stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;margin:.4rem 0 .7rem}
.steps h3{margin-bottom:.4rem}
.steps p{margin:0;color:var(--ink-2);font-size:1rem}

/* ---------------- Por qué ---------------- */
.porque{display:grid;gap:2rem;align-items:start}
@media(min-width:900px){.porque{grid-template-columns:1.35fr .65fr;gap:3rem}}
.ticks{list-style:none;margin:1.4rem 0 1.8rem;padding:0;display:grid;gap:.75rem}
.ticks li{position:relative;padding-left:2rem;color:var(--ink-2)}
.ticks li::before{
  content:"";position:absolute;left:0;top:.35em;width:20px;height:20px;border-radius:50%;
  background:var(--navy-800);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='m5 12.5 4.5 4.5L19 7'/%3E%3C/svg%3E") center/78% no-repeat;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='m5 12.5 4.5 4.5L19 7'/%3E%3C/svg%3E") center/78% no-repeat;
}
.ticks strong{color:var(--ink)}

.guarantee{
  background:linear-gradient(160deg,var(--navy-800),var(--navy-900));color:#fff;
  border-radius:var(--radius-lg);padding:2rem 1.6rem;text-align:center;box-shadow:var(--shadow-md);
  position:relative;overflow:hidden
}
.guarantee::before{
  content:"";position:absolute;inset:-40% -30% auto auto;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(210,38,48,.45),transparent 70%)
}
.guarantee__ico{width:56px;height:56px;fill:none;stroke:#FFC94D;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;margin:0 auto .6rem;position:relative}
.guarantee__k{font-family:var(--display);font-size:2.6rem;font-weight:700;text-transform:uppercase;
  color:#FFC94D;margin:0;line-height:1}
.guarantee__t{font-family:var(--display);font-size:1.35rem;text-transform:uppercase;margin:.2rem 0 0;letter-spacing:.02em}
.guarantee hr{border:0;border-top:1px solid rgba(255,255,255,.22);margin:1.1rem 0}
.guarantee__d{margin:0;font-size:.98rem;color:#D6E2F7}

/* ---------------- Galería ---------------- */
.grid--gallery{grid-template-columns:repeat(2,1fr)}
@media(min-width:820px){.grid--gallery{grid-template-columns:repeat(4,1fr)}}
.grid--gallery li{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);background:#fff}
.grid--gallery img{width:100%;aspect-ratio:4/3;object-fit:cover}
.grid--gallery figcaption{padding:.6rem .8rem;font-size:.9rem;color:var(--ink-2)}

/* ---------------- Cotizador ---------------- */
.section--navy{
  background:
    radial-gradient(900px 400px at 15% 0%, rgba(27,75,168,.55), transparent 60%),
    linear-gradient(160deg,var(--navy-800),var(--navy-900));
  color:#fff
}
.section--navy h2{color:#fff}
.section--navy a{color:#FFC94D}
.cotiza{display:grid;gap:2rem;align-items:start}
@media(min-width:900px){.cotiza{grid-template-columns:1fr 1fr;gap:3rem}}
.cotiza__copy p{color:#D6E2F7}
.cotiza__pts{list-style:none;margin:1.4rem 0 0;padding:0;display:grid;gap:.7rem}
.cotiza__pts li{display:flex;align-items:center;gap:.7rem;color:#fff}
.cotiza__pts .ico{width:22px;height:22px;color:#FFC94D}

.form{background:#fff;border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-lg)}
@media(min-width:560px){.form{padding:1.9rem}}
.field{margin-bottom:1.05rem}
.field label{display:block;font-weight:600;color:var(--navy-800);margin-bottom:.35rem;font-size:.98rem}
.field .opt{color:var(--muted);font-weight:400}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--body);font-size:1rem;color:var(--ink);
  padding:.8rem .9rem;border:1.5px solid var(--line);border-radius:10px;background:#fff;
  transition:border-color .15s ease, box-shadow .15s ease
}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(37,99,201,.15);outline:none
}
.field.is-invalid input,.field.is-invalid select,.field.is-invalid textarea{border-color:var(--red-500)}
.field__err{display:none;color:var(--red-600);font-size:.88rem;margin:.35rem 0 0}
.field.is-invalid .field__err{display:block}
.form__note{margin:.85rem 0 0;font-size:.88rem;color:var(--muted);text-align:center}

/* ---------------- Contacto ---------------- */
.grid--contact{grid-template-columns:1fr}
@media(min-width:760px){.grid--contact{grid-template-columns:repeat(3,1fr);gap:1.2rem}}
.ccard{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem 1.4rem;text-align:center;box-shadow:var(--shadow-sm)
}
.ccard__ico{width:44px;height:44px;margin:0 auto .8rem;color:var(--navy-800);
  fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.ccard__ico--wa{color:var(--wa-dark);fill:currentColor;stroke:none}
.ccard h3{margin-bottom:.4rem}
.ccard p{color:var(--ink-2);font-size:.98rem}

/* ---------------- FAQ ---------------- */
.faq{display:grid;gap:.7rem}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.faq summary{
  cursor:pointer;list-style:none;padding:1.05rem 3rem 1.05rem 1.2rem;position:relative;
  font-family:var(--display);font-size:1.28rem;font-weight:600;color:var(--navy-800)
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:1.2rem;top:50%;width:12px;height:12px;
  border-right:2.5px solid var(--red-500);border-bottom:2.5px solid var(--red-500);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease
}
.faq details[open] summary::after{transform:translateY(-20%) rotate(-135deg)}
.faq p{margin:0;padding:0 1.2rem 1.2rem;color:var(--ink-2)}

/* ---------------- Banda CTA ---------------- */
.cta-band{background:var(--red-600);color:#fff;padding:2.4rem 0}
.cta-band__in{display:grid;gap:1.4rem;align-items:center;text-align:center}
@media(min-width:860px){.cta-band__in{grid-template-columns:1fr auto;text-align:left}}
.cta-band__k{font-family:var(--display);font-size:1.35rem;text-transform:uppercase;
  letter-spacing:.05em;margin:0 0 .1rem;color:#FFD9DB}
.cta-band h2{color:#fff}
.cta-band h2 span{color:#FFC94D}
.cta-band__btns{display:flex;flex-wrap:wrap;gap:.8rem;justify-content:center}

/* ---------------- Footer ---------------- */
.site-footer{background:var(--navy-900);color:#C9D6EC;padding:2.8rem 0 1.2rem;font-size:.97rem}
.site-footer__in{display:grid;gap:2rem}
@media(min-width:820px){.site-footer__in{grid-template-columns:1.2fr 1.3fr .8fr;gap:2.5rem}}
.site-footer h3{color:#fff;font-size:1.25rem;text-transform:uppercase;margin-bottom:.8rem}
.site-footer__brand img{height:56px;width:auto;background:#fff;border-radius:10px;padding:6px 10px;margin-bottom:1rem}
.site-footer__nav ul{list-style:none;margin:0;padding:0;columns:2;column-gap:1.2rem}
.site-footer__nav li{margin-bottom:.4rem;break-inside:avoid}
.site-footer a{color:#C9D6EC;text-decoration:none;display:inline-flex;align-items:center;gap:.45rem}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer .muted{color:#8FA3C4;display:flex;align-items:center;gap:.45rem}
.site-footer__legal{border-top:1px solid rgba(255,255,255,.12);margin-top:2rem;padding-top:1.1rem}
.site-footer__legal p{margin:0;font-size:.87rem;color:#8FA3C4}

/* ---------------- WhatsApp flotante + barra móvil ---------------- */
.fab-wa{
  position:fixed;right:16px;bottom:calc(var(--mobile-bar-h) + 16px);z-index:70;
  width:58px;height:58px;border-radius:50%;background:var(--wa);color:#fff;
  display:grid;place-items:center;box-shadow:0 10px 24px rgba(37,211,102,.45);
  transition:transform .18s ease
}
.fab-wa svg{width:32px;height:32px;fill:currentColor}
.fab-wa:hover{transform:scale(1.07)}
@media(min-width:760px){.fab-wa{bottom:22px;right:22px}}

.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:65;height:var(--mobile-bar-h);
  display:flex;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -4px 18px rgba(10,31,69,.10);
  padding-bottom:env(safe-area-inset-bottom)
}
.mobile-bar__btn{
  flex:1;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--display);font-size:1.2rem;font-weight:700;text-transform:uppercase;
  text-decoration:none;letter-spacing:.02em
}
.mobile-bar__btn--call{color:var(--navy-800);border-right:1px solid var(--line)}
.mobile-bar__btn--wa{background:var(--wa);color:#08331B}
@media(min-width:760px){.mobile-bar{display:none}}
@media(max-width:759px){body{padding-bottom:var(--mobile-bar-h)}}