/* ==========================================================================
   Grupo Seitec — estilos del sitio
   ========================================================================== */

:root{
  --navy-950: #060f2b;
  --navy-900: #0a1a3f;
  --navy-800: #10265a;
  --navy-700: #16326f;
  --blue-600: #1857ff;
  --blue-500: #3d74ff;
  --blue-400: #6f96ff;
  --blue-100: #e7edff;
  --bg: #f6f8fc;
  --bg-alt: #eef1f9;
  --white: #ffffff;
  --ink: #10163a;
  --ink-soft: #4b5573;
  --border: #e1e6f2;

  --font-head: "Poppins", "Segoe UI", Arial, sans-serif;
  --font-body: "Inter", "Segoe UI", Arial, sans-serif;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(10,26,70,.06);
  --shadow-md: 0 12px 32px rgba(10,26,70,.10);
  --container: 1200px;
}

*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--font-head);
  color:var(--navy-900);
  line-height:1.2;
  margin:0 0 .5em;
}
h1{ font-size:clamp(2.1rem, 4.2vw, 3.4rem); font-weight:800; }
h2{ font-size:clamp(1.6rem, 3vw, 2.3rem); font-weight:700; }
h3{ font-size:1.15rem; font-weight:700; }
p{ margin:0 0 1em; color:var(--ink-soft); }
a{ color:var(--blue-600); text-decoration:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
img{ max-width:100%; display:block; }
button{ font-family:inherit; cursor:pointer; }

.container{ max-width:var(--container); margin:0 auto; padding:0 24px; }
.accent{ color:var(--blue-600); }

.icon{ width:24px; height:24px; flex-shrink:0; fill:none; stroke:currentColor; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }
.icon-sm{ width:18px; height:18px; }
.icon-lg{ width:34px; height:34px; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:.85em 1.5em; border-radius:999px;
  font-weight:600; font-size:.98rem; border:2px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn .icon{ width:18px; height:18px; }
.btn-primary{ background:var(--blue-600); color:#fff; box-shadow:0 8px 22px rgba(24,87,255,.35); }
.btn-primary:hover{ background:var(--blue-500); }
.btn-ghost{ border-color:rgba(255,255,255,.5); color:#fff; }
.btn-ghost:hover{ background:rgba(255,255,255,.12); }

/* ---------- Reveal on scroll (progressive enhancement: hidden only once JS confirms it can reveal them) ---------- */
.js .reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in-view{ opacity:1; transform:none; }

/* ---------- Header ---------- */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(255,255,255,.85); backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease, border-color .25s ease, background .25s ease;
}
.site-header.scrolled{ box-shadow:var(--shadow-sm); border-color:var(--border); background:rgba(255,255,255,.96); }
.header-inner{ display:flex; align-items:center; justify-content:space-between; height:76px; padding:0 12px; }
.brand-logo{ height:80px; width:auto; }
.main-nav{ display:flex; align-items:center; gap:2rem; }
.main-nav a{ color:var(--navy-800); font-weight:600; font-size:.95rem; }
.main-nav a:hover{ color:var(--blue-600); }
.nav-cta{ background:var(--blue-600); color:#fff !important; padding:.55em 1.3em; border-radius:999px; }
.nav-cta:hover{ background:var(--blue-500); }
.nav-toggle{ display:none; background:none; border:none; color:var(--navy-900); padding:6px; }

/* ---------- Nav submenu (Qué hacemos) ---------- */
.nav-item.has-submenu{ position:relative; }
.nav-trigger-row{ display:flex; align-items:center; }
.submenu-toggle{ display:none; background:none; border:none; padding:4px; margin-left:2px; color:var(--navy-800); }
.submenu-toggle .icon{ transition:transform .2s ease; }
.nav-item.has-submenu .submenu{
  position:absolute; top:100%; left:50%; transform:translateX(-50%) translateY(6px);
  background:#fff; border:1px solid var(--border); border-radius:var(--radius-sm); box-shadow:var(--shadow-md);
  padding:.6rem; min-width:250px; opacity:0; visibility:hidden; pointer-events:none;
  transition:opacity .18s ease, transform .18s ease, visibility .18s ease; z-index:50;
}
.nav-item.has-submenu .submenu a{ display:block; padding:.6em .8em; border-radius:8px; font-size:.88rem; white-space:nowrap; }
.nav-item.has-submenu .submenu a:hover{ background:var(--bg-alt); }
.nav-item.has-submenu .submenu a.active{ color:var(--blue-600); }
@media (min-width:901px){
  .nav-item.has-submenu:hover .submenu,
  .nav-item.has-submenu:focus-within .submenu{
    opacity:1; visibility:visible; pointer-events:auto; transform:translateX(-50%) translateY(0);
  }
}

@media (max-width:900px){
  .nav-toggle{ display:block; }
  .main-nav{
    position:fixed; inset:76px 0 0 0; height:calc(100vh - 76px);
    background:#fff; flex-direction:column; justify-content:flex-start;
    padding:2rem 1.5rem; gap:1.4rem; transform:translateX(100%);
    transition:transform .3s ease; overflow-y:auto;
  }
  .main-nav.open{ transform:translateX(0); }
  .main-nav a{ font-size:1.15rem; width:100%; }
  .nav-cta{ text-align:center; }

  .nav-item.has-submenu{ width:100%; }
  .nav-trigger-row{ width:100%; }
  .nav-trigger-row a{ width:auto; flex:1; }
  .submenu-toggle{ display:flex; align-items:center; justify-content:center; margin-left:auto; }
  .nav-item.has-submenu .submenu{
    position:static; transform:none; opacity:1; visibility:visible; pointer-events:auto;
    box-shadow:none; border:none; padding:0; min-width:0; width:100%;
    max-height:0; overflow:hidden; transition:max-height .3s ease;
  }
  .nav-item.has-submenu.open .submenu{ max-height:400px; }
  .nav-item.has-submenu.open .submenu-toggle .icon{ transform:rotate(180deg); }
  .nav-item.has-submenu .submenu a{ padding:.6em 0 .6em 1rem; font-size:1rem; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative; min-height:94vh; display:flex; align-items:center;
  background:var(--navy-900); overflow:hidden; padding-top:76px;
}
.hero-bg{
  position:absolute; inset:0; left:34%;
  background-size:cover; background-position:center;
  clip-path:polygon(14% 0, 100% 0, 100% 100%, 0% 100%);
}
.hero-scrim{
  position:absolute; inset:0;
  background:linear-gradient(100deg, var(--navy-950) 0%, var(--navy-900) 42%, rgba(10,26,63,.82) 50%, rgba(10,26,63,0) 66%);
}
.hero-inner{ position:relative; z-index:2; width:100%; padding:4rem 0; }
.hero .eyebrow{ color:var(--blue-400); }
.hero h1{ color:#fff; }
.hero-lead{ color:rgba(255,255,255,.82); font-size:1.08rem; max-width:520px; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:1rem; margin-top:1.8rem; }

@media (max-width:760px){
  .hero-bg{ left:0; opacity:.45; clip-path:none; }
  .hero-scrim{ background:linear-gradient(180deg, rgba(6,15,43,.65) 0%, rgba(10,26,63,.55) 55%, rgba(10,26,63,.88) 100%); }
  .hero-inner{ max-width:100%; }
}

/* ---------- Hero (subpage variant) ---------- */
.hero-sub{ min-height:56vh; align-items:flex-end; padding-bottom:3.2rem; }
.breadcrumb{ display:flex; flex-wrap:wrap; align-items:center; gap:.4rem; font-size:.85rem; color:rgba(255,255,255,.6); margin-bottom:1.1rem; }
.breadcrumb a{ color:rgba(255,255,255,.6); }
.breadcrumb a:hover{ color:#fff; }
.breadcrumb .icon{ width:14px; height:14px; }
.hero .tag-row{ border-top-color:rgba(255,255,255,.18); }
.hero .tag-row span{ background:rgba(255,255,255,.12); color:#fff; }
@media (max-width:760px){ .hero-sub{ min-height:auto; padding-top:2rem; } }

/* ---------- Detail list (icon rows with description) ---------- */
.detail-list{ display:flex; flex-direction:column; }
.detail-list li{ display:flex; gap:1rem; align-items:flex-start; padding:1.1rem 0; border-top:1px solid var(--border); }
.detail-list li:first-child{ border-top:none; }
.detail-list .icon{ color:var(--blue-600); flex-shrink:0; margin-top:.1rem; }
.detail-list strong{ display:block; color:var(--navy-900); margin-bottom:.15rem; }
.detail-list span{ color:var(--ink-soft); font-size:.94rem; }

/* ---------- Photo banner (supporting deck imagery) ---------- */
.photo-banner{
  border-radius:var(--radius); background-size:cover; background-position:center;
  box-shadow:var(--shadow-md); min-height:280px;
}
.photo-banner-tall{ min-height:420px; }
@media (max-width:760px){ .photo-banner{ min-height:220px; } .photo-banner-tall{ min-height:260px; } }

/* ---------- Process box (dark checklist, e.g. compliance steps) ---------- */
.process-box{ background:var(--navy-900); border-radius:var(--radius); padding:1.6rem 1.8rem; }
.process-box li{ display:flex; align-items:center; gap:.7rem; color:#fff; font-size:.92rem; font-weight:600; padding:.7rem 0; border-top:1px solid rgba(255,255,255,.12); }
.process-box li:first-child{ border-top:none; }
.process-box .icon{ color:var(--blue-400); flex-shrink:0; }

/* ---------- CTA final (subpage closing) ---------- */
.cta-final{ text-align:center; }
.cta-final h2{ max-width:640px; margin:0 auto 1.6rem; }

/* ---------- Eyebrow / section head ---------- */
.eyebrow{
  text-transform:uppercase; letter-spacing:.12em; font-weight:700;
  font-size:.82rem; color:var(--blue-600); margin-bottom:.6em;
}
.section{ padding:6rem 0; }
.section-alt{ background:var(--bg-alt); }
.section-dark{ background:var(--navy-900); }
.section-dark .eyebrow{ color:var(--blue-400); }
.section-dark h2, .section-dark h3{ color:#fff; }
.section-dark p{ color:rgba(255,255,255,.75); }
.section-head{ max-width:760px; margin:0 0 3rem; }
.section-head h2{ margin-bottom:.5rem; }
.lead{ font-size:1.08rem; }
.section-closing{
  text-align:center; font-family:var(--font-head); font-weight:700;
  font-size:1.2rem; color:var(--navy-900); margin-top:3rem; padding-top:2rem;
  border-top:1px solid var(--border);
}
.section-dark .section-closing{ color:#fff; border-color:rgba(255,255,255,.15); }

.grid-2{ display:grid; grid-template-columns:1.1fr .9fr; gap:4rem; align-items:start; }
@media (max-width:860px){ .grid-2{ grid-template-columns:1fr; gap:2.5rem; } }

.callout{
  display:flex; align-items:center; gap:1rem; background:var(--blue-100);
  border-radius:var(--radius-sm); padding:1.1rem 1.4rem; margin-top:1.5rem;
}
.callout .icon{ color:var(--blue-600); }
.callout p{ margin:0; color:var(--navy-900); font-weight:600; }

/* ---------- Quiénes somos value list ---------- */
.value-list{ display:flex; flex-direction:column; gap:1.6rem; }
.value-list li{ display:flex; gap:1rem; align-items:flex-start; }
.value-list .icon{ color:var(--blue-600); background:var(--blue-100); border-radius:12px; padding:9px; width:42px; height:42px; }
.value-list strong{ display:block; color:var(--navy-900); margin-bottom:.2rem; }
.value-list span{ color:var(--ink-soft); font-size:.94rem; }

/* ---------- Filosofía ---------- */
.philosophy-grid{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:2rem; }
.philosophy-item{
  background:#fff; border-radius:var(--radius); padding:2rem; text-align:center;
  box-shadow:var(--shadow-sm); border:1px solid var(--border);
}
.philosophy-item .icon-lg{ color:var(--blue-600); margin:0 auto 1rem; }
.philosophy-item p{ margin:0; color:var(--navy-900); font-size:1.02rem; }
@media (max-width:760px){ .philosophy-grid{ grid-template-columns:1fr; } }

/* ---------- Services ---------- */
.services-grid{ display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:1.6rem; }
.service-card{
  background:#fff; border:1px solid var(--border); border-radius:var(--radius);
  padding:2rem 1.6rem; box-shadow:var(--shadow-sm); transition:transform .2s ease, box-shadow .2s ease;
}
.service-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.service-icon{
  width:56px; height:56px; border-radius:14px; background:var(--navy-900);
  display:flex; align-items:center; justify-content:center; margin-bottom:1.2rem;
}
.service-icon .icon{ color:#fff; }
.service-tagline{ font-size:.92rem; color:var(--ink-soft); min-height:2.6em; }
.service-items{ display:flex; flex-direction:column; gap:.55rem; margin:1rem 0 1.2rem; }
.service-items li{ display:flex; align-items:center; gap:.55rem; font-size:.92rem; color:var(--navy-800); }
.service-items .icon{ color:var(--blue-600); }
.tag-row{ display:flex; flex-wrap:wrap; gap:.4rem; padding-top:1rem; border-top:1px solid var(--border); }
.tag-row span{
  font-size:.74rem; font-weight:600; color:var(--blue-600); background:var(--blue-100);
  padding:.3em .7em; border-radius:999px;
}
@media (max-width:980px){ .services-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (max-width:560px){ .services-grid{ grid-template-columns:1fr; } }
@media (min-width:981px){
  .services-grid.cols-2{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .services-grid.cols-3{ grid-template-columns:repeat(3,minmax(0,1fr)); }
}

.link-cta{ display:inline-flex; align-items:center; gap:.4rem; color:var(--blue-600); font-weight:600; font-size:.95rem; margin-top:1rem; }
.link-cta .icon{ width:16px; height:16px; transition:transform .18s ease; }
.link-cta:hover .icon{ transform:translateX(3px); }

/* ---------- Ecosystem ---------- */
.ecosystem-grid{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:1.6rem; }
.eco-item{
  background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius); padding:1.8rem; text-align:center;
}
.eco-item .icon{ color:var(--blue-400); margin:0 auto .8rem; width:32px; height:32px; }
@media (max-width:860px){ .ecosystem-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (max-width:560px){ .ecosystem-grid{ grid-template-columns:1fr; } }

/* ---------- Stepper (Metodología) ---------- */
.stepper{
  display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:1.6rem 1.2rem;
}
.stepper li{
  position:relative; background:#fff; border:1px solid var(--border);
  border-radius:var(--radius); padding:1.8rem 1.4rem;
}
.step-num{
  display:inline-block; font-family:var(--font-head); font-weight:800;
  color:var(--blue-100); font-size:2.2rem; line-height:1; margin-bottom:.3rem;
}
.stepper .icon{ color:var(--blue-600); position:absolute; top:1.8rem; right:1.4rem; }
.stepper h3{ margin-bottom:.35rem; }
.stepper p{ font-size:.9rem; margin:0; }
@media (max-width:980px){ .stepper{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (max-width:560px){ .stepper{ grid-template-columns:1fr; } }

/* ---------- Reasons (Por qué Seitec) ---------- */
.reasons-grid{ display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:1.8rem 1.4rem; }
.reason-item .icon{ color:var(--blue-600); margin-bottom:.7rem; }
.reason-item h3{ font-size:1.02rem; }
.reason-item p{ font-size:.9rem; margin:0; }
@media (max-width:980px){ .reasons-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (max-width:560px){ .reasons-grid{ grid-template-columns:1fr; } }

/* ---------- Sectores ---------- */
.sectors-grid{ display:grid; grid-template-columns:repeat(6,minmax(0,1fr)); gap:1rem; }
.sector-item{
  display:flex; flex-direction:column; align-items:center; gap:.7rem;
  background:#fff; border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:1.6rem 1rem; text-align:center; transition:border-color .2s ease, transform .2s ease;
}
.sector-item:hover{ border-color:var(--blue-400); transform:translateY(-3px); }
.sector-item .icon{ color:var(--blue-600); }
.sector-item span{ font-size:.86rem; font-weight:600; color:var(--navy-800); }
@media (max-width:980px){ .sectors-grid{ grid-template-columns:repeat(4,minmax(0,1fr)); } }
@media (max-width:640px){ .sectors-grid{ grid-template-columns:repeat(3,minmax(0,1fr)); } }
@media (max-width:420px){ .sectors-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (min-width:981px){
  .sectors-grid.cols-4{ grid-template-columns:repeat(4,minmax(0,1fr)); }
  .sectors-grid.cols-2{ grid-template-columns:repeat(2,minmax(0,1fr)); }
}

/* ---------- Marcas ---------- */
.brands-grid{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:2rem; }
.brand-group h4{
  display:flex; align-items:center; gap:.5rem; font-family:var(--font-body);
  font-weight:700; font-size:.9rem; color:var(--navy-900); margin-bottom:.9rem;
}
.brand-group h4 .icon{ color:var(--blue-600); }
.brand-tags{ display:flex; flex-wrap:wrap; gap:.5rem; }
.brand-tags span{
  font-family:var(--font-head); font-weight:700; font-size:.82rem;
  color:var(--navy-800); background:#fff; border:1px solid var(--border);
  padding:.5em .9em; border-radius:8px;
}
@media (max-width:860px){ .brands-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (max-width:560px){ .brands-grid{ grid-template-columns:1fr; } }

/* ---------- Compromiso ---------- */
.commitment{ position:relative; background:#fff; overflow:hidden; }
.commitment-bg{
  position:absolute; inset:0; left:42%; background-size:cover; background-position:left center;
}
.commitment-scrim{
  position:absolute; inset:0;
  background:linear-gradient(100deg, #fff 0%, #fff 46%, rgba(255,255,255,.86) 55%, rgba(255,255,255,0) 72%);
}
.commitment .container{ position:relative; z-index:2; }
.commitment-grid{ display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:1.6rem; max-width:900px; }
.commitment-item .icon{ color:var(--blue-600); margin-bottom:.6rem; }
.commitment-item h3{ font-size:1.02rem; }
.commitment-item p{ font-size:.88rem; margin:0; }
@media (max-width:900px){
  .commitment-bg{ left:0; opacity:.55; }
  .commitment-scrim{ background:linear-gradient(180deg, rgba(255,255,255,.9) 0%, rgba(255,255,255,.5) 50%, rgba(255,255,255,.9) 100%); }
  .commitment-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width:480px){ .commitment-grid{ grid-template-columns:1fr; } }

/* ---------- Contacto ---------- */
.contact-list{ display:flex; flex-direction:column; gap:1.4rem; margin-top:2rem; }
.contact-list li{ display:flex; align-items:center; gap:1rem; }
.contact-list .icon{ color:#fff; background:var(--blue-600); border-radius:12px; padding:10px; width:44px; height:44px; }
.contact-list strong{ display:block; color:var(--navy-900); font-size:.85rem; }
.contact-list a, .contact-list span{ color:var(--ink-soft); }
.contact-list a:hover{ color:var(--blue-600); }

.contact-form{
  background:#fff; border:1px solid var(--border); border-radius:var(--radius);
  padding:2rem; box-shadow:var(--shadow-sm);
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
.contact-form label{ display:block; font-size:.85rem; font-weight:600; color:var(--navy-800); margin-bottom:1rem; }
.contact-form input, .contact-form textarea{
  width:100%; margin-top:.4rem; padding:.7em .9em; border:1px solid var(--border);
  border-radius:var(--radius-sm); font-family:inherit; font-size:.95rem; color:var(--ink);
  background:var(--bg);
}
.contact-form input:focus, .contact-form textarea:focus{ outline:2px solid var(--blue-400); border-color:transparent; }
.form-note{ margin-top:1rem; font-size:.88rem; color:var(--blue-600); font-weight:600; }
.form-note.is-error{ color:#c0392b; }
@media (max-width:520px){ .form-row{ grid-template-columns:1fr; } }

/* Honeypot: oculto para personas, visible para bots de formularios */
.hp-field{
  position:absolute; left:-9999px; top:-9999px;
  width:1px; height:1px; overflow:hidden;
}

/* ---------- Footer ---------- */
.site-footer{ background:var(--navy-950); color:rgba(255,255,255,.7); padding-top:4rem; }
.footer-inner{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:2.5rem; padding-bottom:3rem; }
.footer-logo{ height:80px; margin-bottom:1rem; filter:brightness(0) invert(1); }
.footer-brand p{ color:rgba(255,255,255,.55); max-width:260px; }
.footer-social{ display:flex; gap:.75rem; margin-top:1.4rem; }
.footer-social a{
  display:flex; align-items:center; justify-content:center;
  width:40px; height:40px; border-radius:50%;
  background:rgba(255,255,255,.08); color:#fff; font-size:18px;
  transition:background .2s ease;
}
.footer-social a:hover{ background:var(--blue-600); }
.footer-col h4{ color:#fff; font-size:.85rem; text-transform:uppercase; letter-spacing:.08em; margin-bottom:1rem; }
.footer-col a{ display:block; color:rgba(255,255,255,.65); font-size:.92rem; margin-bottom:.7rem; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.1); padding:1.5rem 24px; text-align:center; font-size:.82rem; }
@media (max-width:860px){ .footer-inner{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .footer-inner{ grid-template-columns:1fr; } }

/* ---------- WhatsApp flotante ---------- */
.whatsapp-float{
  position:fixed; right:1.5rem; bottom:1.5rem; z-index:90;
  width:52px; height:52px; border-radius:50%;
  background:#25d366; color:#fff; font-size:26px; display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-md); transition:transform .2s ease;
}
.whatsapp-float:hover{ transform:scale(1.08); }