/* ==========================================================================
   MASIG — Design tokens
   ========================================================================== */
:root{
  --navy:        #052E3D;
  --navy-deep:   #031E29;
  --teal:        #0089A8;
  --teal-bright: #10A8C9;
  --steel:       #3C4A52;
  --ignite:      #FF6E0F;
  --ignite-dim:  #C9550B;
  --paper:       #F3F6F6;
  --paper-alt:   #E8EDED;
  --ink:         #10181B;
  --white:       #FFFFFF;

  --font-display: 'Oswald', sans-serif;
  --font-body:    'Work Sans', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --wrap: 1180px;
  --radius: 4px;
  --ease: cubic-bezier(.22,.68,.32,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ margin:0; font-family: var(--font-display); font-weight:600; letter-spacing: .01em; }
p{ margin:0 0 1em; }
p:last-child{ margin-bottom:0; }

.wrap{ max-width: var(--wrap); margin:0 auto; padding: 0 28px; }

:focus-visible{ outline: 3px solid var(--ignite); outline-offset: 3px; }

/* ==========================================================================
   Progress bar
   ========================================================================== */
.progress-bar{
  position: fixed; top:0; left:0; height:3px; width:0%;
  background: linear-gradient(90deg, var(--ignite), var(--teal-bright));
  z-index: 999; transition: width .1s linear;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  font-family: var(--font-display);
  font-size: .92rem;
  letter-spacing:.04em;
  text-transform: uppercase;
  padding: .95em 1.9em;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor:pointer;
  transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}
.btn--primary{ background: var(--ignite); color: var(--white); }
.btn--primary:hover{ background:#ff7f2b; transform: translateY(-2px); }
.btn--ghost{ border-color: rgba(255,255,255,.55); color: var(--white); }
.btn--ghost:hover{ background: rgba(255,255,255,.12); transform: translateY(-2px); }
.btn--wide{ width:100%; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position: fixed; inset: 0 0 auto 0; z-index: 500;
  padding: 18px 0;
  transition: background .35s var(--ease), padding .35s var(--ease), box-shadow .35s var(--ease);
}
.site-header.is-scrolled{
  background: rgba(5,46,61,.92);
  backdrop-filter: blur(10px);
  padding: 10px 0;
  box-shadow: 0 8px 30px rgba(0,0,0,.25);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap: 24px; }
.brand-logo{ height: 42px; width:auto; transition: height .35s var(--ease); filter: drop-shadow(0 2px 6px rgba(0,0,0,.25)); }
.is-scrolled .brand-logo{ height: 34px; }

.main-nav{ display:flex; align-items:center; gap: 30px; }
.main-nav a{
  font-family: var(--font-display);
  font-size: .86rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--white);
  position: relative;
  padding: 4px 0;
}
.main-nav a:not(.nav-cta)::after{
  content:''; position:absolute; left:0; bottom:0; height:2px; width:0;
  background: var(--ignite); transition: width .25s var(--ease);
}
.main-nav a:not(.nav-cta):hover::after{ width:100%; }
.nav-cta{
  border: 1.5px solid var(--ignite);
  padding: .55em 1.3em;
  border-radius: var(--radius);
  transition: background .25s var(--ease);
}
.nav-cta:hover{ background: var(--ignite); }

.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding: 6px;
}
.nav-toggle span{ width:26px; height:2px; background: var(--white); transition: transform .3s var(--ease), opacity .3s var(--ease); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position: relative;
  min-height: 100vh;
  display:flex; flex-direction:column; justify-content:center;
  overflow:hidden;
  color: var(--white);
  padding-top: 120px;
}
.hero-media{ position:absolute; inset:0; z-index:0; }
.hero-media img{ width:100%; height:100%; object-fit:cover; object-position: center 30%; }
.hero-scrim{
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(3,20,27,.78) 0%, rgba(3,20,27,.55) 38%, rgba(3,30,41,.88) 82%, var(--navy-deep) 100%);
}
.hero-content{ position:relative; z-index:2; padding-bottom: 64px; }

.eyebrow{
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--teal);
  display:flex; align-items:center; gap:.6em;
  margin: 0 0 18px;
}
.eyebrow--light{ color: #8FD9EA; }
.eyebrow-dot{ width:7px; height:7px; border-radius:50%; background: var(--ignite); display:inline-block; box-shadow: 0 0 0 4px rgba(255,110,15,.25); }

.hero-title{
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  line-height: 1.02;
  text-transform: uppercase;
  max-width: 14ch;
  margin-bottom: 24px;
}
.accent-dot{ color: var(--ignite); }
.hero-lede{
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  color: rgba(255,255,255,.82);
  max-width: 46ch;
  margin-bottom: 34px;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }

.hero-plates{
  position:relative; z-index:2;
  display:grid; grid-template-columns: repeat(4, 1fr); gap:16px;
  margin-top: 56px;
}
.plate{
  position:relative;
  background: linear-gradient(160deg, #0C4257 0%, #073445 60%, #052A38 100%);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 20px 18px 18px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 14px 30px rgba(0,0,0,.35);
}
.plate-value{
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--white);
  line-height:1;
}
.plate-suffix{ font-family: var(--font-display); color: var(--ignite); font-size: 1.3rem; }
.plate-label{
  display:block;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255,255,255,.6);
  margin-top: 8px;
}
.plate-rivet{
  position:absolute; width:6px; height:6px; border-radius:50%;
  background: radial-gradient(circle at 35% 35%, #cfd8da, #7c8a8f);
}
.plate-rivet--tl{ top:8px; left:8px; } .plate-rivet--tr{ top:8px; right:8px; }
.plate-rivet--bl{ bottom:8px; left:8px; } .plate-rivet--br{ bottom:8px; right:8px; }

/* ==========================================================================
   Sections — shared
   ========================================================================== */
.section{ padding: 110px 0; position:relative; }
.section--tight{ padding: 90px 0; }
.section--dark{ background: var(--navy-deep); color: var(--white); }
.section--dark p{ color: rgba(255,255,255,.75); }

.section-head{ max-width: 720px; margin-bottom: 56px; }
.section-title{
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  text-transform: uppercase;
  line-height: 1.12;
  color: var(--navy);
}
.section-title--light{ color: var(--white); }
.section-sub{ margin-top: 16px; font-size: 1.05rem; color: var(--steel); max-width: 60ch; }
.section--dark .section-sub{ color: rgba(255,255,255,.75); }

/* ==========================================================================
   Nosotros
   ========================================================================== */
.about-grid{ display:grid; grid-template-columns: 1fr 1.15fr; gap: 64px; align-items:start; }
.about-copy p{ font-size: 1.05rem; color: var(--steel); }
.about-copy p + p{ margin-top: 1.1em; }

.mv-cards{ display:grid; gap: 18px; }
.mv-card{
  background: var(--white);
  border: 1px solid var(--paper-alt);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius);
  padding: 26px 26px 24px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.mv-card:hover{ transform: translateY(-4px); box-shadow: 0 18px 36px rgba(5,46,61,.1); border-left-color: var(--ignite); }
.mv-icon{ display:inline-flex; width:40px; height:40px; color: var(--teal); margin-bottom: 14px; }
.mv-icon svg{ width:100%; height:100%; fill: currentColor; stroke: currentColor; }
.mv-card h3{ font-size: 1.15rem; text-transform: uppercase; margin-bottom: 8px; color: var(--navy); }
.mv-card p{ color: var(--steel); font-size: .96rem; }

.strip{ position:relative; margin-top: 90px; height: 340px; overflow:hidden; }
.strip img{ width:100%; height:100%; object-fit:cover; }
.strip::after{
  content:''; position:absolute; inset:0;
  background: linear-gradient(0deg, rgba(3,20,27,.85) 0%, rgba(3,20,27,.05) 55%);
}
.strip-caption{
  position:absolute; left:0; right:0; bottom:0; padding: 24px 28px;
  font-family: var(--font-mono); color: #fff; font-size:.82rem; letter-spacing:.05em;
}
.strip-caption p{ max-width: var(--wrap); margin:0 auto; }

/* ==========================================================================
   Servicios
   ========================================================================== */
.services-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: rgba(255,255,255,.08); }
.service-card{
  background: var(--navy-deep);
  padding: 40px 32px;
  transition: background .3s var(--ease);
}
.service-card:hover{ background: #06394A; }
.service-num{
  display:block; font-family: var(--font-mono); color: var(--ignite);
  font-size: .85rem; letter-spacing: .1em; margin-bottom: 22px;
}
.service-card h3{ font-size: 1.2rem; text-transform: uppercase; color: var(--white); margin-bottom: 10px; line-height:1.25; }
.service-card p{ font-size: .92rem; }

/* ==========================================================================
   Calidad / ISO
   ========================================================================== */
.quality-grid{ display:grid; grid-template-columns: 1.3fr .8fr; gap: 64px; align-items:center; }
.quality-copy p{ color: var(--steel); font-size: 1.02rem; }
.quality-copy p + p{ margin-top: 1em; }
.check-list{ margin-top: 22px; display:grid; gap: 12px; }
.check-list li{
  position:relative; padding-left: 28px; color: var(--steel); font-size: .95rem;
}
.check-list li::before{
  content:''; position:absolute; left:0; top:.45em; width:14px; height:14px;
  border: 2px solid var(--teal); border-radius: 3px;
}
.check-list li::after{
  content:''; position:absolute; left: 4px; top: .68em; width:7px; height:4px;
  border-left: 2px solid var(--ignite); border-bottom: 2px solid var(--ignite);
  transform: rotate(-45deg);
}

.iso-plate{
  position: relative;
  background: linear-gradient(155deg, #0d4d63 0%, #073445 55%, #052833 100%);
  border-radius: var(--radius);
  padding: 46px 36px;
  text-align:center;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 26px 50px rgba(5,46,61,.28);
}
.iso-plate .plate-rivet{ width:8px; height:8px; }
.iso-plate .plate-rivet--tl{ top:14px; left:14px; } .iso-plate .plate-rivet--tr{ top:14px; right:14px; }
.iso-plate .plate-rivet--bl{ bottom:14px; left:14px; } .iso-plate .plate-rivet--br{ bottom:14px; right:14px; }
.iso-plate-eyebrow{
  display:block; font-family: var(--font-mono); font-size: .72rem; letter-spacing:.14em;
  text-transform: uppercase; color: #8FD9EA; margin-bottom: 18px;
}
.iso-plate-title{
  font-family: var(--font-display); font-size: 2.6rem; color: var(--white); line-height: 1.05; text-transform: uppercase;
}
.iso-plate-colon{ color: var(--ignite); }
.iso-plate-foot{
  display:block; margin-top: 20px; font-family: var(--font-mono); font-size:.75rem;
  color: rgba(255,255,255,.6); letter-spacing:.04em;
}

/* ==========================================================================
   Galería
   ========================================================================== */
.gallery{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
  background: var(--navy-deep);
}
.gallery-item{
  position:relative; margin:0; overflow:hidden; aspect-ratio: 4/3; cursor: zoom-in;
}
.gallery-item:nth-child(3n+1){ aspect-ratio: 4/5; }
.gallery-item img{
  width:100%; height:100%; object-fit:cover;
  transition: transform .6s var(--ease), filter .4s var(--ease);
  filter: saturate(.92);
}
.gallery-item:hover img{ transform: scale(1.06); filter: saturate(1.05); }
.gallery-item figcaption{
  position:absolute; left:0; right:0; bottom:0; padding: 14px 16px 12px;
  font-family: var(--font-mono); font-size:.72rem; letter-spacing:.04em; color:#fff;
  background: linear-gradient(0deg, rgba(3,20,27,.9), transparent);
  transform: translateY(8px); opacity:0; transition: all .3s var(--ease);
}
.gallery-item:hover figcaption{ transform: translateY(0); opacity:1; }

.lightbox{
  position: fixed; inset:0; z-index: 900; background: rgba(3,20,27,.94);
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transition: opacity .3s var(--ease);
  padding: 40px;
}
.lightbox.is-open{ opacity:1; visibility: visible; }
.lightbox img{ max-width: 90vw; max-height: 86vh; border-radius: var(--radius); box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.lightbox-close{
  position: absolute; top: 24px; right: 28px; background:none; border:0; color:#fff;
  font-size: 2.4rem; line-height:1; cursor:pointer;
}

/* ==========================================================================
   Clientes / marquee
   ========================================================================== */
.marquee{ overflow:hidden; position:relative; padding: 8px 0; }
.marquee::before, .marquee::after{
  content:''; position:absolute; top:0; bottom:0; width:120px; z-index:2;
}
.marquee::before{ left:0; background: linear-gradient(90deg, var(--navy-deep), transparent); }
.marquee::after{ right:0; background: linear-gradient(-90deg, var(--navy-deep), transparent); }
.marquee-track{
  display:flex; gap: 48px; white-space:nowrap; width:max-content;
  animation: scroll-left 42s linear infinite;
  font-family: var(--font-display); text-transform: uppercase; letter-spacing:.03em;
  font-size: 1.1rem; color: rgba(255,255,255,.55);
  padding: 10px 24px;
}
.marquee-track span::after{ content:'/'; margin-left: 48px; color: var(--ignite); }
@keyframes scroll-left{ from{ transform: translateX(0);} to{ transform: translateX(-100%);} }

/* ==========================================================================
   Contacto
   ========================================================================== */
.contact-grid{ display:grid; grid-template-columns: 1.3fr .9fr; gap: 56px; }
.contact-form{
  background: var(--white); border: 1px solid var(--paper-alt); border-radius: var(--radius);
  padding: 36px; display:grid; gap: 20px;
}
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-form label{ display:flex; flex-direction:column; gap: 8px; }
.contact-form span{ font-family: var(--font-mono); font-size:.72rem; letter-spacing:.06em; text-transform:uppercase; color: var(--steel); }
.contact-form input, .contact-form textarea{
  font-family: var(--font-body); font-size: 1rem; padding: 12px 14px;
  border: 1.5px solid var(--paper-alt); border-radius: var(--radius); background: var(--paper);
  transition: border-color .25s var(--ease), background .25s var(--ease);
  resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus{ border-color: var(--teal); background: var(--white); outline:none; }
.form-note{ font-size: .78rem; color: var(--steel); text-align:center; }

.contact-info{ display:grid; gap: 22px; align-content:start; }
.info-block{ padding-bottom: 18px; border-bottom: 1px solid var(--paper-alt); display:grid; gap:4px; }
.info-label{ font-family: var(--font-mono); font-size:.7rem; letter-spacing:.08em; text-transform:uppercase; color: var(--teal); }
.info-block a{ display:block; color: var(--navy); font-size: 1rem; transition: color .2s; }
.info-block a:hover{ color: var(--ignite); }
.info-block p{ color: var(--steel); font-size: .96rem; }
.mono{ font-family: var(--font-mono); }
.map-embed{ border-radius: var(--radius); overflow:hidden; height: 200px; border:1px solid var(--paper-alt); }
.map-embed iframe{ width:100%; height:100%; border:0; filter: grayscale(.25) contrast(1.05); }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{ background: var(--navy-deep); color: rgba(255,255,255,.7); padding: 56px 0 30px; }
.footer-inner{ display:grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 32px; align-items:start; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-logo{ height: 46px; margin-bottom: 14px; }
.footer-brand p{ font-size:.86rem; }
.footer-nav{ display:grid; gap: 10px; align-content:start; font-family: var(--font-display); text-transform:uppercase; font-size:.85rem; letter-spacing:.04em; }
.footer-nav a:hover{ color: var(--ignite); }
.footer-meta{ font-size: .82rem; display:grid; gap:6px; justify-items:start; }
@media (min-width: 701px){ .footer-meta{ justify-items:end; text-align:right; } }
.footer-inner + p, .footer-meta{ margin-top: 0; }
.site-footer .footer-inner{ margin-bottom: 0; }
.site-footer::after{ content:''; }
.footer-bottom{ padding-top: 20px; text-align:center; font-size:.78rem; }

/* ==========================================================================
   Floating CTA
   ========================================================================== */
.fab-cta{
  position: fixed; right: 24px; bottom: 24px; z-index: 400;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--ignite); color: #fff;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 14px 30px rgba(255,110,15,.4);
  transition: transform .25s var(--ease);
}
.fab-cta:hover{ transform: translateY(-4px) scale(1.05); }

/* ==========================================================================
   Reveal-on-scroll
   ========================================================================== */
.reveal{ opacity:0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible{ opacity:1; transform: translateY(0); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1000px){
  .about-grid, .quality-grid, .contact-grid{ grid-template-columns: 1fr; }
  .services-grid{ grid-template-columns: repeat(2, 1fr); }
  .gallery{ grid-template-columns: repeat(3, 1fr); }
  .hero-plates{ grid-template-columns: repeat(2, 1fr); }
  .footer-inner{ grid-template-columns: 1fr; }
  .footer-meta{ justify-items:start; text-align:left; }
}

@media (max-width: 700px){
  .wrap{ padding: 0 20px; }
  .main-nav{
    position: fixed; inset: 0 0 0 auto; width: min(78vw, 320px);
    background: var(--navy-deep); flex-direction:column; align-items:flex-start;
    padding: 100px 32px 40px; gap: 26px;
    transform: translateX(100%); transition: transform .4s var(--ease);
    box-shadow: -20px 0 50px rgba(0,0,0,.3);
  }
  .main-nav.is-open{ transform: translateX(0); }
  .nav-toggle{ display:flex; }
  .nav-toggle.is-open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2){ opacity:0; }
  .nav-toggle.is-open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

  .hero{ padding-top: 104px; }
  .hero-plates{ grid-template-columns: 1fr 1fr; margin-top: 40px; }
  .services-grid{ grid-template-columns: 1fr; }
  .gallery{ grid-template-columns: repeat(2, 1fr); }
  .form-row{ grid-template-columns: 1fr; }
  .section{ padding: 76px 0; }
  .strip{ height: 220px; }
}

@media (max-width: 460px){
  .gallery{ grid-template-columns: repeat(2, 1fr); }
  .hero-plates{ grid-template-columns: 1fr 1fr; }
}