/* ============================================================
   PyH Ingeniería e Inspecciones SpA — hoja de estilos global
   ============================================================ */

:root{
  --navy:#0A1628;
  --navy-2:#0F2039;
  --ink:#15294F;
  --accent:#2BC4D1;
  --accent-dk:#159AA6;
  --light:#F4F6F8;
  --line:#E3E8EE;
  --text:#3C4859;
  --white:#fff;
  --wrap:1240px;
  --r:14px;
  --sh:0 10px 30px rgba(10,22,40,.08);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--white);color:var(--text);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-dk);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:Montserrat,sans-serif;color:var(--ink);line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(2.2rem,5.2vw,3.9rem);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.75rem,3.6vw,2.75rem);font-weight:800;letter-spacing:-.015em}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1.1em}
ul{margin:0 0 1.1em;padding-left:1.15em}
li{margin-bottom:.45em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- Skip link (accesibilidad) ---------- */
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--accent);color:var(--navy);padding:12px 20px;font-weight:700;border-radius:0 0 8px 0}
.skip:focus{left:0}

/* ---------- Header ---------- */
.hdr{position:fixed;inset:0 0 auto 0;z-index:100;background:rgba(10,22,40,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.07)}
.hdr .wrap{display:flex;align-items:center;gap:24px;height:84px}
.brand{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.brand img{width:54px;height:54px;object-fit:contain}
.brand b{display:block;font-family:Montserrat,sans-serif;font-weight:800;font-size:1.3rem;color:#fff;letter-spacing:.04em;line-height:1}
.brand span{display:block;font-size:.66rem;letter-spacing:.19em;color:var(--accent);text-transform:uppercase;margin-top:4px}
.nav{margin-left:auto;display:flex;align-items:center;gap:30px}
.nav a{color:#DCE4EE;font-size:.97rem;font-weight:500;white-space:nowrap}
.nav a:hover{color:var(--accent);text-decoration:none}
.nav .cta{background:var(--accent);color:var(--navy);font-weight:700;padding:12px 26px;border-radius:9px}
.nav .cta:hover{background:#fff;color:var(--navy)}
.burger{display:none;margin-left:auto;background:none;border:0;padding:8px;cursor:pointer}
.burger span{display:block;width:26px;height:2px;background:#fff;margin:5px 0;transition:.25s}
.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)}

@media(max-width:980px){
  .hdr .wrap{height:72px}
  .burger{display:block}
  .nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:var(--navy);padding:8px 24px 24px;border-bottom:1px solid rgba(255,255,255,.08);display:none}
  .nav.open{display:flex}
  .nav a{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.07)}
  .nav .cta{text-align:center;margin-top:16px;border-bottom:0}
}

/* ---------- Secciones ---------- */
main{padding-top:84px}
@media(max-width:980px){main{padding-top:72px}}
.sec{padding:96px 0}
.sec--dark{background:var(--navy);color:#B9C6D6}
.sec--dark h2,.sec--dark h3{color:#fff}
.sec--light{background:var(--light)}
@media(max-width:700px){.sec{padding:64px 0}}

.eyebrow{display:flex;align-items:center;gap:14px;font-size:.78rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--accent-dk);margin-bottom:18px}
.eyebrow::before{content:"";width:38px;height:3px;background:var(--accent);border-radius:2px}
.sec--dark .eyebrow{color:var(--accent)}
.lead{font-size:1.12rem;max-width:62ch}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--navy);color:#C6D2E0;overflow:hidden;padding:110px 0 90px}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,var(--navy) 34%,rgba(10,22,40,.82) 58%,rgba(10,22,40,.55) 100%),url("/images/hero.jpg") center/cover no-repeat;z-index:0}
.hero .wrap{position:relative;z-index:1}
.hero h1{color:#fff;max-width:16ch}
.hero h1 em{color:var(--accent);font-style:italic}
.hero .lead{font-size:1.18rem;max-width:56ch;color:#C6D2E0}
.hero-tag{font-size:.8rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin-bottom:20px}
.hero-tag::before{content:"";display:block;width:74px;height:4px;background:var(--accent);border-radius:2px;margin-bottom:22px}
.btnrow{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 0}
.btn{display:inline-block;padding:16px 34px;border-radius:10px;font-weight:700;font-size:1rem;transition:.2s;border:2px solid transparent}
.btn--pri{background:var(--accent);color:var(--navy)}
.btn--pri:hover{background:#fff;text-decoration:none;transform:translateY(-2px)}
.btn--gho{border-color:rgba(255,255,255,.35);color:#fff}
.btn--gho:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}
.stats{display:flex;flex-wrap:wrap;gap:56px;margin-top:64px;padding-top:38px;border-top:1px solid rgba(255,255,255,.14)}
.stats b{display:block;font-family:Montserrat,sans-serif;font-size:2.6rem;font-weight:800;color:var(--accent);line-height:1}
.stats span{font-size:.74rem;letter-spacing:.17em;text-transform:uppercase;color:#8FA2B8}
@media(max-width:700px){.stats{gap:32px}.stats b{font-size:2rem}}

/* ---------- Grillas ---------- */
.grid{display:grid;gap:26px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
@media(max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr;gap:40px}}
@media(max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}

/* ---------- Tarjetas ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px 30px;transition:.25s;height:100%}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#CBD5E1}
.card .num{font-family:Montserrat,sans-serif;font-weight:800;font-size:.85rem;letter-spacing:.16em;color:var(--accent-dk);margin-bottom:10px}
.card h3{margin-bottom:12px}
.card p{margin-bottom:14px;font-size:.98rem}
.card .more{font-weight:700;font-size:.93rem;color:var(--ink)}
.card .more::after{content:" →";color:var(--accent-dk)}
.card:hover .more{color:var(--accent-dk)}
.ico{width:56px;height:56px;border-radius:50%;background:var(--ink);display:grid;place-items:center;margin-bottom:20px}
.ico svg{width:26px;height:26px;stroke:var(--accent);fill:none;stroke-width:1.9}

.card--cta{background:var(--ink);border-color:var(--ink);color:#C6D2E0;display:flex;flex-direction:column;justify-content:center}
.card--cta h3{color:#fff;font-size:1.5rem}

.tile{background:var(--navy-2);border:1px solid rgba(43,196,209,.22);border-top:3px solid var(--accent);border-radius:10px;padding:24px}
.tile h3{color:#fff;font-size:1.08rem;margin-bottom:8px}
.tile p{font-size:.93rem;margin:0;color:#9FB1C6}

.norm{background:#fff;border-left:4px solid var(--ink);border-radius:0 10px 10px 0;padding:26px 28px}
.norm b{display:block;font-family:Montserrat,sans-serif;font-size:2rem;font-weight:800;color:var(--ink);line-height:1}
.norm span{font-size:.93rem}

/* ---------- Figuras / portafolio ---------- */
.fig{position:relative;border-radius:12px;overflow:hidden;background:#0d1c31;aspect-ratio:4/3}
.fig img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.fig:hover img{transform:scale(1.06)}
.fig figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 18px 14px;font-size:.92rem;font-weight:600;color:#fff;background:linear-gradient(transparent,rgba(6,14,26,.92))}

/* ---------- Contacto ---------- */
.sec--contact{position:relative;background:var(--navy);color:#B9C6D6;overflow:hidden}
.sec--contact::after{content:"";position:absolute;inset:0;background:linear-gradient(rgba(10,22,40,.9),rgba(10,22,40,.94)),url("/images/contacto-bg.jpg") center/cover no-repeat;z-index:0}
.sec--contact .wrap{position:relative;z-index:1}
.sec--contact h2{color:#fff}
.cinfo{display:flex;gap:18px;align-items:flex-start;margin-bottom:26px}
.cinfo .ico{flex:0 0 auto;width:48px;height:48px;background:var(--accent);margin:0}
.cinfo .ico svg{stroke:var(--navy);width:22px;height:22px}
.cinfo dt{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:3px}
.cinfo dd{margin:0;font-size:1.06rem;color:#fff}
.cinfo dd a{color:#fff}
.form{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:var(--r);padding:36px}
.form h3{color:#fff;margin-bottom:22px}
.form label{display:block;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:700;margin:0 0 7px}
.form input,.form textarea{width:100%;margin-bottom:20px;padding:14px 16px;border-radius:9px;border:1px solid rgba(255,255,255,.2);background:rgba(10,22,40,.55);color:#fff;font:inherit;font-size:1rem}
.form input:focus,.form textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.form textarea{min-height:130px;resize:vertical}
.form button{width:100%;padding:17px;border:0;border-radius:10px;background:var(--accent);color:var(--navy);font-family:Montserrat,sans-serif;font-weight:800;font-size:1.05rem;cursor:pointer;transition:.2s}
.form button:hover{background:#fff}
.form .hp{position:absolute;left:-9999px}
.formmsg{margin-top:16px;padding:14px 16px;border-radius:9px;font-size:.95rem;display:none}
.formmsg.ok{display:block;background:rgba(43,196,209,.15);border:1px solid var(--accent);color:#fff}
.formmsg.err{display:block;background:rgba(255,120,120,.13);border:1px solid #ff8080;color:#ffd9d9}

/* ---------- FAQ ---------- */
.faq{max-width:860px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:20px 24px;font-family:Montserrat,sans-serif;font-weight:700;color:var(--ink);font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent-dk);font-size:1.6rem;line-height:1;flex:0 0 auto}
.faq details[open] summary::after{content:"–"}
.faq .ans{padding:0 24px 22px;font-size:1rem}
.faq .ans p:last-child{margin-bottom:0}

/* ---------- Breadcrumb ---------- */
.bc{font-size:.86rem;color:#7C8AA0;padding:22px 0 0}
.bc a{color:#7C8AA0}
.bc span{color:var(--ink);font-weight:600}

/* ---------- Footer ---------- */
.ftr{background:#060E1A;color:#7C8AA0;padding:56px 0 30px;font-size:.92rem}
.ftr-top{display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.08)}
.ftr-nav{display:flex;flex-wrap:wrap;gap:26px}
.ftr-nav a{color:#B9C6D6}
.ftr-nav a:hover{color:var(--accent)}
.ftr-bot{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;padding-top:24px;font-size:.86rem}
.credit{width:100%;text-align:center;padding-top:22px;margin-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:.85rem;color:#6B7A90}
.credit a{color:#9FB1C6;font-weight:600}
.credit a:hover{color:var(--accent);text-decoration:none}

/* ---------- WhatsApp flotante ---------- */
.wa{position:fixed;right:22px;bottom:22px;z-index:90;width:60px;height:60px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.28);transition:.2s}
.wa:hover{transform:scale(1.07)}
.wa svg{width:32px;height:32px;fill:#fff}

/* ---------- Animación de entrada ---------- */
.js .rev{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.rev.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .rev{opacity:1;transform:none;transition:none}
  .fig img,.card{transition:none}
}

/* ============================================================
   HERRAMIENTAS / CALCULADORAS
   ============================================================ */
.tool{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px;box-shadow:var(--sh)}
.tool h3{margin-top:0}
.fieldrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:18px}
.field label{display:block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-dk);font-weight:700;margin-bottom:6px}
.field input,.field select{width:100%;padding:12px 13px;border:1px solid #CBD5E1;border-radius:9px;font:inherit;font-size:1rem;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.field .hint{font-size:.8rem;color:#7C8AA0;margin-top:5px}
.btn--sm{padding:11px 22px;font-size:.94rem;border-radius:9px;cursor:pointer;border:2px solid var(--ink);background:var(--ink);color:#fff;font-family:Montserrat,sans-serif;font-weight:700}
.btn--sm:hover{background:var(--accent);border-color:var(--accent);color:var(--navy)}
.btn--out{background:transparent;color:var(--ink)}
.btn--out:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;margin:6px 0 0}

.tabla-wrap{overflow-x:auto;margin:26px 0 0}
table.data{width:100%;border-collapse:collapse;font-size:.95rem;min-width:640px}
table.data th{background:var(--ink);color:#fff;font-family:Montserrat,sans-serif;font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;padding:12px 14px;text-align:left;white-space:nowrap}
table.data td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
table.data tr:nth-child(even) td{background:#FAFBFC}
table.data td.num,table.data th.num{text-align:right;font-variant-numeric:tabular-nums}
table.data .del{background:none;border:0;color:#B44;font-size:1.15rem;cursor:pointer;line-height:1;padding:2px 6px}
table.data .del:hover{color:#e11}
.vacio{padding:26px;text-align:center;color:#7C8AA0;background:#FAFBFC;border:1px dashed var(--line);border-radius:10px;margin-top:26px}

.res{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px;margin-top:26px}
.res .box{background:var(--ink);color:#C6D2E0;border-radius:12px;padding:22px 24px}
.res .box.hl{background:var(--accent);color:var(--navy)}
.res .box span{display:block;font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;font-weight:700;opacity:.85;margin-bottom:7px}
.res .box b{font-family:Montserrat,sans-serif;font-size:1.85rem;font-weight:800;line-height:1;display:block}
.res .box i{font-style:normal;font-size:.86rem;opacity:.8;display:block;margin-top:6px}

.form--light{background:var(--light);border:1px solid var(--line);border-radius:var(--r);padding:32px}
.form--light h3{color:var(--ink)}
.form--light label{color:var(--accent-dk)}
.form--light input,.form--light textarea,.form--light select{background:#fff;border:1px solid #CBD5E1;color:var(--ink)}
.form--light input::placeholder,.form--light textarea::placeholder{color:#9AA7B8}
.form--light button{background:var(--ink);color:#fff}
.form--light button:hover{background:var(--accent);color:var(--navy)}
.form--light .formmsg.ok{background:rgba(21,154,166,.1);border:1px solid var(--accent-dk);color:var(--ink)}
.form--light .formmsg.err{background:#FDECEC;border:1px solid #E88;color:#933}

.nota{background:#FFF8E6;border-left:4px solid #E8B54B;border-radius:0 10px 10px 0;padding:18px 22px;font-size:.94rem;margin-top:26px}
.nota b{color:#8A6410}

.chips{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 22px}
.chip{border:1px solid #CBD5E1;background:#fff;border-radius:999px;padding:9px 18px;font-size:.9rem;font-weight:600;color:var(--ink);cursor:pointer;font-family:inherit}
.chip[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.chip:hover{border-color:var(--accent-dk)}
.oculto{display:none !important}