:root{
  --bg:#0E1620;
  --surface:#161F2B;
  --surface2:#1D2733;
  --line:rgba(255,255,255,0.08);
  --navy:#1B2A3F;
  --red-dark:#7A1420;
  --red:#A8424B;
  --red-bright:#D62839;
  --text:#F3F4F6;
  --muted:#8C99A8;
  --muted-light:#B4BECA;
  --ok:#2FB573;
  --gutter:32px;
  --header-h:74px;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth; scroll-padding-top:var(--header-h); -webkit-text-size-adjust:100%;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  line-height:1.5;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.menu-open{overflow:hidden;}
h1,h2,h3,.disp{
  font-family:'Oswald',sans-serif;
  text-transform:uppercase;
  letter-spacing:0.02em;
}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
.wrap{max-width:1180px; margin:0 auto; padding:0 var(--gutter);}
:focus-visible{outline:2px solid var(--red-bright); outline-offset:3px;}

.skip-link{
  position:absolute; left:12px; top:-60px; z-index:100;
  background:var(--red-bright); color:#fff; padding:10px 16px; font-size:14px; border-radius:4px;
}
.skip-link:focus{top:12px;}

/* background diagonal beam texture */
.beams{
  position:fixed; inset:0; z-index:0; opacity:0.05; pointer-events:none;
  background-image:
    repeating-linear-gradient(45deg, transparent 0 60px, rgba(255,255,255,0.6) 60px 64px, transparent 64px 140px),
    repeating-linear-gradient(-45deg, transparent 0 90px, rgba(255,255,255,0.6) 90px 94px, transparent 94px 200px);
}

/* HEADER */
header{
  position:sticky; top:0; z-index:50;
  border-bottom:1px solid var(--line);
}
/* el blur va en un pseudo-elemento para no romper el position:fixed del menú móvil */
header::before{
  content:''; position:absolute; inset:0; z-index:-1;
  background:rgba(14,22,32,0.9);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
nav{
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  padding:14px var(--gutter); max-width:1180px; margin:0 auto;
}
.brand{display:flex; align-items:center; gap:10px; flex-shrink:0;}
.brand img{height:38px; width:auto;}
.brand-name{font-family:'Oswald',sans-serif; font-size:15px; letter-spacing:0.08em; white-space:nowrap;}
.brand-name b{color:var(--red-bright); font-weight:500;}
.navlinks{display:flex; gap:34px; font-size:13px; letter-spacing:0.06em; text-transform:uppercase; color:var(--muted);}
.navlinks a{position:relative; transition:color .2s ease;}
.navlinks a:hover{color:var(--text);}
.navlinks a::after{content:''; position:absolute; left:0; bottom:-6px; width:0; height:1.5px; background:var(--red-bright); transition:width .25s ease;}
.navlinks a:hover::after{width:100%;}
.nav-right{display:flex; align-items:center; gap:14px;}
.navcta{
  background:linear-gradient(135deg,var(--red-dark),var(--red-bright));
  padding:10px 20px; font-size:12px; text-transform:uppercase; letter-spacing:0.08em;
  font-weight:600; border-radius:2px; white-space:nowrap;
}

.menu-toggle{
  display:none; width:42px; height:42px; border:1px solid var(--line); background:transparent;
  border-radius:4px; cursor:pointer; position:relative; color:var(--text);
}
.menu-toggle span{
  position:absolute; left:11px; right:11px; height:2px; background:currentColor; border-radius:2px;
  transition:transform .3s ease, opacity .2s ease, top .3s ease;
}
.menu-toggle span:nth-child(1){top:14px;}
.menu-toggle span:nth-child(2){top:20px;}
.menu-toggle span:nth-child(3){top:26px;}
.menu-open .menu-toggle span:nth-child(1){top:20px; transform:rotate(45deg);}
.menu-open .menu-toggle span:nth-child(2){opacity:0;}
.menu-open .menu-toggle span:nth-child(3){top:20px; transform:rotate(-45deg);}

/* brand two-tone bar, echoes the letterhead header */
.brand-bar{display:flex; align-items:stretch; height:6px;}
.brand-bar .block{width:46px; background:var(--surface2);}
.brand-bar .bar{flex:1; background:linear-gradient(90deg,var(--red),var(--red-bright));}

/* HERO */
.hero{
  position:relative; min-height:88vh; min-height:88svh; display:flex; align-items:flex-end;
  padding:120px 0 0;
  background:
    linear-gradient(180deg, rgba(14,22,32,0.45) 0%, rgba(14,22,32,0.65) 55%, rgba(14,22,32,0.98) 100%),
    url('../images/hero.jpg') center/cover no-repeat;
  background-color:var(--bg);
}
.hero-inner{position:relative; z-index:2; padding-bottom:64px; width:100%;}
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-size:12px; letter-spacing:0.18em; color:var(--red-bright);
  text-transform:uppercase; margin-bottom:22px; font-weight:600;
}
.eyebrow::before{content:''; width:28px; height:2px; background:var(--red-bright);}
h1.hero-title{
  font-size:clamp(36px, 6vw, 76px);
  line-height:1;
  max-width:820px;
  font-weight:600;
}
h1.hero-title em{
  font-style:normal; color:transparent;
  -webkit-text-stroke:1px var(--text);
}
.hero-sub{max-width:480px; color:var(--muted-light); font-size:16px; margin-top:22px;}
.hero-actions{display:flex; gap:16px; margin-top:36px; flex-wrap:wrap;}
.btn{
  padding:15px 28px; font-size:13px; text-transform:uppercase; letter-spacing:0.08em;
  font-weight:600; border-radius:2px; display:inline-block; text-align:center;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--red-dark),var(--red-bright)); color:#fff;}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 12px 26px -10px rgba(214,40,57,0.55);}
.btn-ghost{border:1px solid rgba(255,255,255,0.35); color:var(--text);}
.btn-ghost:hover{border-color:#fff; transform:translateY(-2px);}

.hero-tags{
  position:absolute; right:var(--gutter); bottom:64px; z-index:2;
  display:flex; flex-direction:column; gap:10px; text-align:right;
}
.tag{
  font-family:'Oswald',sans-serif; font-size:12px; letter-spacing:0.1em; color:rgba(255,255,255,0.6);
  border-right:2px solid var(--red-bright); padding-right:12px;
}

/* STATS */
.stats{
  position:relative; z-index:1;
  display:grid; grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  background:var(--surface);
}
.stat{padding:30px 20px; text-align:center; border-right:1px solid var(--line); transition:transform .25s ease;}
.stat:last-child{border-right:none;}
.stat:hover{transform:translateY(-3px);}
.stat .num{font-family:'Oswald',sans-serif; font-size:34px; color:var(--red-bright); display:inline-block;}
.stat .lbl{font-size:11px; letter-spacing:0.08em; text-transform:uppercase; color:var(--muted); margin-top:6px;}

/* SECTIONS */
section{position:relative; z-index:1; padding:110px 0;}
.section-alt{background:var(--surface); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.section-head{max-width:640px; margin-bottom:64px;}
.kicker{color:var(--red-bright); font-size:12px; letter-spacing:0.16em; text-transform:uppercase; font-weight:600;}
.section-head h2{font-size:clamp(28px,3.4vw,44px); margin-top:14px; font-weight:600; line-height:1.1;}
.section-head p{color:var(--muted); margin-top:16px; font-size:15px; max-width:520px;}

/* SOLUTIONS GRID */
.grid4{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.spec-card{
  background:var(--surface); padding:40px 26px 36px; position:relative;
  transition:transform .3s ease, box-shadow .3s ease, background .3s ease;
}
.spec-card::before{
  content:attr(data-tag); position:absolute; top:16px; right:16px;
  font-family:'Oswald',sans-serif; font-size:11px; color:rgba(255,255,255,0.25); letter-spacing:0.1em;
}
.spec-card:hover{transform:translateY(-6px); box-shadow:0 24px 50px -26px rgba(0,0,0,0.6); background:var(--surface2); z-index:1;}
.spec-corner{position:absolute; width:14px; height:14px; border-color:var(--red-bright); border-style:solid; opacity:0.7; transition:border-color .3s ease;}
.spec-card:hover .spec-corner{border-color:#fff;}
.spec-card .c1{top:10px; left:10px; border-width:2px 0 0 2px;}
.spec-card .c2{bottom:10px; right:10px; border-width:0 2px 2px 0;}
.spec-card h3{font-size:19px; margin:20px 0 10px; font-weight:500; line-height:1.2;}
.spec-card p{color:var(--muted); font-size:14px;}

/* SECTORS / MVV */
.sectors{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
.sector{
  border:1px solid var(--line); padding:32px; background:var(--surface2);
  border-left:3px solid var(--red-bright);
  transition:transform .25s ease, border-left-width .25s ease;
}
.sector:hover{transform:translateX(4px); border-left-width:6px;}
.sector h3{font-size:16px; letter-spacing:0.06em; margin-bottom:10px; font-weight:500;}
.sector p{color:var(--muted); font-size:14px;}

/* CTA BAND */
.cta-band{
  background:linear-gradient(120deg,#0F1720, #1B2A3F 55%, #2A1418);
  padding:90px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line);
}
.cta-flex{display:flex; justify-content:space-between; align-items:center; gap:40px; flex-wrap:wrap;}
.cta-flex h2{font-size:clamp(24px,3.6vw,40px); max-width:600px; font-weight:600; line-height:1.15;}

/* CONTACT */
.contact-section{background:var(--surface); border-top:1px solid var(--line);}
.contact-grid{display:grid; grid-template-columns:0.85fr 1.15fr; gap:56px; align-items:start;}
.contact-info h2{font-size:clamp(26px,3vw,36px); font-weight:600; margin:14px 0 16px; line-height:1.1;}
.contact-info > p{color:var(--muted); font-size:15px; margin-bottom:28px; max-width:420px;}
.contact-detail{display:flex; gap:14px; align-items:flex-start; margin-bottom:20px; transition:transform .2s ease;}
.contact-detail:hover{transform:translateX(4px);}
.contact-detail .ico{width:38px; height:38px; border-radius:9px; background:var(--surface2); display:flex; align-items:center; justify-content:center; flex-shrink:0;}
.contact-detail b{display:block; font-size:13px; color:var(--muted); text-transform:uppercase; letter-spacing:0.06em; margin-bottom:3px; font-weight:500;}
.contact-detail .val{font-size:14.5px; color:var(--text); word-break:break-word;}
.contact-detail a.val:hover{color:var(--red-bright);}

.contact-form{background:var(--surface2); border:1px solid var(--line); border-radius:16px; padding:36px;}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
.form-field{display:flex; flex-direction:column; gap:7px; margin-bottom:16px; min-width:0;}
.form-field label{font-size:12.5px; color:var(--muted); text-transform:uppercase; letter-spacing:0.05em;}
.form-field label .req{color:var(--red-bright);}
.form-field input, .form-field textarea, .form-field select{
  width:100%; background:var(--surface); border:1px solid var(--line); border-radius:8px; padding:12px 14px;
  color:var(--text); font-family:inherit; font-size:15px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.form-field input::placeholder, .form-field textarea::placeholder{color:#5F6B79;}
.form-field select{
  -webkit-appearance:none; appearance:none; cursor:pointer; padding-right:40px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238C99A8' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 14px center;
}
.form-field select option{background:var(--surface); color:var(--text);}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus{
  outline:none; border-color:var(--red-bright); box-shadow:0 0 0 3px rgba(214,40,57,0.18);
}
.form-field.invalid input, .form-field.invalid textarea{border-color:var(--red-bright);}
.form-field textarea{resize:vertical; min-height:120px;}
.hp{position:absolute !important; left:-9999px !important; width:1px; height:1px; overflow:hidden;}
.form-submit{
  width:100%; padding:15px; background:linear-gradient(135deg,var(--red-dark),var(--red-bright)); color:#fff;
  border:none; border-radius:8px; font-family:inherit; font-size:14px; font-weight:600; text-transform:uppercase; letter-spacing:0.06em; cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, opacity .2s ease;
  display:flex; align-items:center; justify-content:center; gap:10px;
}
.form-submit:hover{transform:translateY(-2px); box-shadow:0 14px 28px -12px rgba(214,40,57,0.5);}
.form-submit[disabled]{opacity:.65; cursor:wait; transform:none; box-shadow:none;}
.form-submit .spinner{
  width:16px; height:16px; border:2px solid rgba(255,255,255,.35); border-top-color:#fff; border-radius:50%;
  display:none; animation:spin .8s linear infinite;
}
.form-submit.loading .spinner{display:inline-block;}
@keyframes spin{to{transform:rotate(360deg);}}
.form-status{display:none; margin-top:14px; padding:12px 14px; border-radius:8px; font-size:14px;}
.form-status.ok{display:block; background:rgba(47,181,115,.12); border:1px solid rgba(47,181,115,.4); color:#9BE3BF;}
.form-status.err{display:block; background:rgba(214,40,57,.12); border:1px solid rgba(214,40,57,.45); color:#F3A7AF;}
.form-note{font-size:12px; color:var(--muted); margin-top:12px; text-align:center;}

/* FOOTER */
footer{background:var(--navy); padding:56px 0 0; position:relative; z-index:1;}
.foot-grid{display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap; padding-bottom:36px; border-bottom:1px solid rgba(255,255,255,0.1);}
.foot-brand{display:flex; align-items:center; gap:12px;}
.foot-brand img{height:34px; width:auto;}
.foot-col h3{font-family:'Inter',sans-serif; font-size:12px; letter-spacing:0.1em; text-transform:uppercase; color:var(--muted); margin-bottom:14px; font-weight:600;}
.foot-col p, .foot-col a{display:block; font-size:14px; color:#D7DCE2; margin-bottom:8px;}
.foot-col a:hover{color:#fff;}
.contact-bar{
  padding-top:22px; padding-bottom:22px;
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:18px;
}
.contact-item{display:flex; align-items:center; gap:12px; font-size:14px; color:#EDEFF2;}
.contact-item a:hover{color:#fff; text-decoration:underline;}
.contact-item .badge{
  width:30px; height:30px; border-radius:8px; display:flex; align-items:center; justify-content:center; flex-shrink:0;
  background:linear-gradient(135deg,#E2496B,#C41E3A);
}
.contact-item .icon-plain{width:22px; height:22px; flex-shrink:0; display:flex; align-items:center; justify-content:center;}
.closing-bar{height:10px; background:linear-gradient(90deg,var(--red),var(--red-bright));}
.foot-bottom{padding-top:20px; padding-bottom:20px; display:flex; justify-content:space-between; color:var(--muted); font-size:12px; flex-wrap:wrap; gap:10px;}

/* ANIMATIONS (solo si hay JS) */
.js .reveal{opacity:0; transform:translateY(28px); transition:opacity .7s ease, transform .7s ease;}
.js .reveal.in{opacity:1; transform:translateY(0);}
.js .stagger-item{opacity:0; transform:translateY(24px); transition:opacity .6s ease, transform .6s ease, box-shadow .3s ease, background .3s ease, border-left-width .25s ease;}
.js .reveal-stagger.in .stagger-item{opacity:1; transform:translateY(0);}
.js .reveal-stagger.in .spec-card.stagger-item:hover{transform:translateY(-6px);}
.js .reveal-stagger.in .sector.stagger-item:hover{transform:translateX(4px);}
.stagger-item:nth-child(1){transition-delay:.05s;}
.stagger-item:nth-child(2){transition-delay:.15s;}
.stagger-item:nth-child(3){transition-delay:.25s;}
.stagger-item:nth-child(4){transition-delay:.35s;}
.reveal-stagger.in .stagger-item:hover{transition-delay:0s;}

@keyframes fadeScale{from{opacity:0; transform:scale(.97);} to{opacity:1; transform:scale(1);}}
.hero-inner{animation:fadeScale .9s ease both;}
.hero-tags .tag{opacity:0; animation:tagIn .6s ease forwards;}
.hero-tags .tag:nth-child(1){animation-delay:.3s;}
.hero-tags .tag:nth-child(2){animation-delay:.45s;}
.hero-tags .tag:nth-child(3){animation-delay:.6s;}
@keyframes tagIn{from{opacity:0; transform:translateX(14px);} to{opacity:1; transform:translateX(0);}}

/* ========== RESPONSIVE ========== */
@media (max-width:1024px){
  .grid4{grid-template-columns:repeat(2,1fr);}
  .hero-tags{display:none;}
}

@media (max-width:900px){
  :root{--gutter:24px; --header-h:66px;}
  nav{padding-top:12px; padding-bottom:12px;}
  .menu-toggle{display:block;}
  .navlinks{
    position:fixed; left:0; right:0; top:var(--header-h); bottom:0;
    flex-direction:column; gap:0; padding:12px var(--gutter) 32px;
    background:rgba(14,22,32,0.98);
    font-size:16px; color:var(--text);
    transform:translateY(-8px); opacity:0; visibility:hidden;
    transition:opacity .25s ease, transform .25s ease, visibility .25s;
    overflow-y:auto;
  }
  .navlinks a{padding:18px 0; border-bottom:1px solid var(--line); font-family:'Oswald',sans-serif; letter-spacing:0.08em;}
  .navlinks a::after{display:none;}
  .menu-open .navlinks{opacity:1; transform:none; visibility:visible;}

  section{padding:80px 0;}
  .section-head{margin-bottom:44px;}
  .sectors{grid-template-columns:1fr; gap:16px;}
  .contact-grid{grid-template-columns:1fr; gap:40px;}
  .cta-band{padding:64px 0;}
}

@media (max-width:700px){
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat{padding:24px 12px;}
  .stat:nth-child(2n){border-right:none;}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line);}
  .stat .num{font-size:30px;}
}

@media (max-width:560px){
  :root{--gutter:18px; --header-h:62px;}
  .brand img{height:32px;}
  .brand-name{font-size:13px;}
  .navcta{padding:9px 14px; font-size:11px;}
  .hero{min-height:82vh; min-height:82svh; padding-top:90px;}
  .hero-inner{padding-bottom:44px;}
  .hero-sub{font-size:15px;}
  .hero-actions{flex-direction:column; gap:12px;}
  .hero-actions .btn{width:100%;}
  section{padding:64px 0;}
  .grid4{grid-template-columns:1fr;}
  .spec-card{padding:34px 22px 30px;}
  .sector{padding:24px;}
  .cta-flex{gap:24px;}
  .cta-flex .btn{width:100%;}
  .form-row{grid-template-columns:1fr; gap:0;}
  .contact-form{padding:24px 18px; border-radius:12px;}
  .form-field input, .form-field textarea, .form-field select{font-size:16px;} /* evita zoom en iOS */
  .foot-grid{flex-direction:column; gap:28px;}
  .contact-bar{flex-direction:column; align-items:flex-start;}
  .foot-bottom{flex-direction:column;}
}

@media (max-width:400px){
  .brand{gap:8px;}
  .brand img{height:28px;}
  .brand-name{font-size:12px; letter-spacing:0.05em;}
  .nav-right{gap:10px;}
  .navcta{padding:9px 12px;}
}
@media (max-width:340px){
  .brand-name{display:none;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; transition-delay:0s !important;}
  .js .reveal, .js .stagger-item{opacity:1; transform:none;}
}