/* =========================================================
   SIMI R&R — Sistema de diseño
   Concepto: ficha técnica / orden de trabajo industrial.
   ========================================================= */

:root{
  /* Acero + hierro (neutros, cálidos, no el navy-frío genérico) */
  --iron-950:#15130F;
  --iron-800:#28241D;
  --iron-600:#57503F;
  --iron-400:#847A63;

  --steel-300:#C9C3B2;
  --steel-200:#DBD6C8;
  --steel-100:#EDEAE1;
  --paper:#FFFFFF;

  /* Único acento: ámbar de señalización industrial */
  --safety-500:#E7A100;
  --safety-700:#8F6009;

  --danger:#8B3A2A;
  --danger-bg:#F5E6E1;
  --success:#3F6B3F;
  --success-bg:#E7EFE3;

  --whatsapp:#25D366;
  --whatsapp-dark:#1DA851;

  --font-display:'Big Shoulders Display', 'Arial Narrow', sans-serif;
  --font-body:'IBM Plex Sans', 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', 'Consolas', monospace;

  --container:1240px;
  --gutter:clamp(20px, 4vw, 48px);

  --r-sm:2px;
  --r-md:3px;

  --shadow-sm:0 1px 2px rgba(21,19,15,.08);
  --shadow-md:0 12px 28px -12px rgba(21,19,15,.35);

  /* Curvas propias — los easing nativos de CSS son demasiado débiles */
  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-in-out:cubic-bezier(.65,0,.35,1);

  --header-h:80px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  color:var(--iron-950);
  background:var(--paper);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:.98;letter-spacing:-.01em;color:var(--iron-950);text-transform:uppercase}
h3,h4{text-transform:none;font-weight:700;line-height:1.15}
section[id]{scroll-margin-top:var(--header-h)}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

.skip-link{
  position:absolute;left:12px;top:-60px;z-index:2000;
  background:var(--iron-950);color:var(--paper);
  padding:12px 18px;border-radius:var(--r-sm);
  font-family:var(--font-mono);font-size:.85rem;font-weight:600;
  transition:top .2s var(--ease-out);
}
.skip-link:focus{top:12px}
:focus-visible{outline:2px solid var(--safety-700);outline-offset:3px}

/* ---------- Layout ---------- */
.container{max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(64px, 9vw, 128px);position:relative}
.section--tight{padding-block:clamp(40px, 5vw, 64px)}
.section--alt{background:var(--steel-100)}
.section--dark{background:var(--iron-950);color:var(--steel-100)}
.section--dark h2,.section--dark h3,.section--dark h4{color:var(--paper)}

/* Etiqueta de "bloque de título" — como el rótulo de una plancha técnica,
   no un eyebrow decorativo: siempre lleva la sección y la empresa. */
.tag{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.76rem;font-weight:500;
  letter-spacing:.08em;text-transform:uppercase;color:var(--iron-600);
  border:1px solid var(--steel-300);border-radius:var(--r-sm);
  padding:5px 10px;margin-bottom:18px;
}
.tag::before{content:"";width:6px;height:6px;background:var(--safety-500)}
.section--dark .tag{color:var(--steel-300);border-color:var(--iron-600)}

.section-head{max-width:640px;margin-bottom:52px}
.section-head--center{max-width:680px;margin-inline:auto;text-align:center}
.section-head h2{font-size:clamp(2.2rem, 4vw, 3.4rem);margin-bottom:14px}
.section-head p{color:var(--iron-600);font-size:1.05rem}
.section--dark .section-head p{color:var(--steel-300)}
.section-head--center .tag{margin-inline:auto}

.lede{font-size:1.1rem;color:var(--iron-600);max-width:56ch}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 28px;border-radius:var(--r-sm);
  font-family:var(--font-mono);font-weight:600;font-size:.85rem;
  letter-spacing:.05em;text-transform:uppercase;white-space:nowrap;
  transition:background .18s var(--ease-out), color .18s var(--ease-out), border-color .18s var(--ease-out), transform .12s var(--ease-out);
  border:1.5px solid transparent;min-height:48px;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--safety-500);color:var(--iron-950)}
.btn-primary:hover{background:var(--iron-950);color:var(--safety-500)}
.btn-outline{border-color:rgba(255,255,255,.45);color:var(--paper)}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:var(--paper)}
.btn-outline-dark{border-color:var(--steel-300);color:var(--iron-950)}
.btn-outline-dark:hover{border-color:var(--iron-950)}
.btn-whatsapp{background:var(--whatsapp);color:var(--paper)}
.btn-whatsapp:hover{background:var(--whatsapp-dark)}
.btn-block{width:100%}
.btn{position:relative}
.btn .spinner{display:none}
.btn.is-loading .btn-label{visibility:hidden}
.btn.is-loading .spinner{
  display:block;position:absolute;width:16px;height:16px;
  border:2px solid rgba(21,19,15,.3);border-top-color:var(--iron-950);border-radius:50%;
  animation:spin .6s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.t-icon{color:var(--safety-700);margin-right:9px;font-size:.85em}

.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--font-mono);font-weight:600;font-size:.82rem;color:var(--iron-950);
  letter-spacing:.03em;
}
.link-arrow i{transition:transform .18s var(--ease-out)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:var(--header-h);display:flex;align-items:center;
  transition:background .25s var(--ease-out), box-shadow .25s var(--ease-out), height .25s var(--ease-out);
  background:transparent;
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand{display:flex;align-items:center}
.brand img{
  height:34px;width:auto;
  filter:brightness(0) invert(1);
  transition:filter .25s var(--ease-out);
}
.site-header.is-scrolled .brand img{filter:none}

.nav{display:flex;align-items:center;gap:32px}
.nav-links{display:flex;align-items:center;gap:30px;position:relative;padding-right:26px}
.nav-links::after{
  content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:1px;height:22px;background:rgba(255,255,255,.2);
}
.site-header.is-scrolled .nav-links::after{background:var(--steel-200)}
.nav-links a{
  font-family:var(--font-mono);font-size:.8rem;font-weight:500;letter-spacing:.04em;text-transform:uppercase;
  color:rgba(255,255,255,.88);position:relative;padding-block:6px;
  transition:color .18s var(--ease-out);
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--safety-500);
  transition:width .18s var(--ease-out);
}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--paper)}
.nav-links a:hover::after{width:100%}
.site-header.is-scrolled .nav-links a{color:var(--iron-600)}
.site-header.is-scrolled .nav-links a:hover{color:var(--iron-950)}

.site-header.is-scrolled{
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  box-shadow:0 1px 0 rgba(21,19,15,.1);height:68px;
}
.site-header .btn-primary{padding:11px 20px;font-size:.78rem}

.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
}
.nav-toggle span{
  display:block;width:22px;height:2px;background:var(--paper);transition:transform .22s var(--ease-out), opacity .22s var(--ease-out), background .22s var(--ease-out);
}
.site-header.is-scrolled .nav-toggle span{background:var(--iron-950)}
.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-open .nav-toggle span:nth-child(2){opacity:0}
.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:94vh;display:flex;align-items:center;
  padding-top:var(--header-h);overflow:hidden;color:var(--paper);
  background:var(--iron-950);
}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:70% 60%}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(21,19,15,.66) 0%, rgba(21,19,15,.46) 40%, rgba(21,19,15,.82) 100%),
    linear-gradient(90deg, rgba(21,19,15,.8) 0%, rgba(21,19,15,.22) 64%);
}
/* Retícula técnica muy sutil — refuerza el carácter de ingeniería sin llamar la atención */
.hero-media::before{
  content:"";position:absolute;inset:0;z-index:1;opacity:.05;pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg, rgba(255,255,255,.5) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(255,255,255,.5) 0 1px, transparent 1px 64px);
}
.hero-mark{
  position:absolute;right:var(--gutter);bottom:96px;z-index:1;
  display:flex;align-items:center;gap:8px;color:var(--safety-500);opacity:.7;
}
.hero-mark::before{content:"+";font-family:var(--font-mono);font-size:1.1rem;line-height:1}
.hero-mark span{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--steel-300)}

.hero-content{position:relative;z-index:2;max-width:900px;padding-block:56px}

.nameplate{
  display:inline-flex;align-items:center;gap:14px;
  font-family:var(--font-mono);font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;
  border:1px solid rgba(255,255,255,.35);border-radius:var(--r-sm);
  padding:10px 18px 10px 22px;margin-bottom:24px;color:var(--steel-200);
  background:
    radial-gradient(circle 2.5px at 8px 8px, rgba(255,255,255,.55), transparent 0),
    radial-gradient(circle 2.5px at calc(100% - 8px) 8px, rgba(255,255,255,.55), transparent 0),
    radial-gradient(circle 2.5px at 8px calc(100% - 8px), rgba(255,255,255,.55), transparent 0),
    radial-gradient(circle 2.5px at calc(100% - 8px) calc(100% - 8px), rgba(255,255,255,.55), transparent 0);
}
.nameplate strong{color:var(--safety-500);font-weight:600}
.nameplate span{opacity:.6}

.hero-content h1{
  font-size:clamp(2.6rem, 5.4vw, 4.4rem);margin-bottom:20px;color:var(--paper);
  line-height:1.05;letter-spacing:-.005em;font-weight:700;max-width:19ch;
}
.hero-content h1 .hl{color:var(--safety-500)}
.hero-content .lede{color:var(--steel-200);font-size:1.15rem;margin-bottom:32px;max-width:60ch;font-family:var(--font-body)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-trust{padding-top:20px;max-width:60ch;border-top:1px solid rgba(255,255,255,.16)}
.hero-trust-label{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--iron-400);margin-bottom:8px;
}
.hero-trust-names{font-family:var(--font-mono);font-size:.86rem;color:var(--steel-200);letter-spacing:.01em}

.hero-scroll{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:1;
  display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--steel-300);font-size:.72rem;
  font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;
}
.hero-scroll::after{content:"";width:1px;height:30px;background:linear-gradient(var(--steel-300),transparent)}

/* ---------- Franja de confianza (spec strip) ---------- */
.specstrip{display:grid;grid-template-columns:repeat(4,1fr)}
.spec{
  padding:30px 28px;border-left:1px solid var(--steel-200);
}
.spec:first-child{border-left:none}
.spec .spec-k{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--safety-700);
  display:flex;align-items:center;gap:8px;margin-bottom:12px;
}
.spec .spec-k i{font-size:.85rem}
.spec h3{font-family:var(--font-body);text-transform:none;font-size:1.02rem;font-weight:600;margin-bottom:6px;letter-spacing:0}
.spec p{color:var(--iron-600);font-size:.92rem}

/* ---------- Servicios: boletas de orden de trabajo ---------- */
.services-featured{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}
.ticket--feature{
  border:1px solid var(--steel-300);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;background:var(--paper);
  transition:box-shadow .22s var(--ease-out), transform .22s var(--ease-out);
}
.ticket--feature:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.ticket--feature .t-media{height:210px;overflow:hidden;position:relative}
.ticket--feature .t-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease-out)}
.ticket--feature:hover .t-media img{transform:scale(1.05)}
.ticket--feature .t-no{
  position:absolute;top:14px;left:14px;background:var(--iron-950);color:var(--safety-500);
  font-family:var(--font-mono);font-size:.72rem;font-weight:600;letter-spacing:.06em;
  padding:5px 10px;border-radius:2px;
}
.ticket--feature .t-body{padding:26px 26px 28px;flex:1;display:flex;flex-direction:column}
.ticket--feature h3{font-family:var(--font-body);text-transform:none;font-size:1.28rem;margin-bottom:10px;font-weight:700}
.ticket--feature p{color:var(--iron-600);margin-bottom:18px;flex:1}

.tickets-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1px solid var(--steel-300);border-radius:var(--r-md);overflow:hidden}
.ticket{
  position:relative;padding:26px 22px 22px 26px;background:var(--paper);
  border-left:1px solid var(--steel-300);
  transition:background .18s var(--ease-out);
}
.ticket:first-child{border-left:none}
.ticket::before{
  content:"";position:absolute;left:14px;top:14px;bottom:14px;
  border-left:1.5px dashed var(--steel-300);
}
.ticket:hover{background:var(--steel-100)}
.ticket .t-no{
  display:block;font-family:var(--font-mono);font-size:.72rem;color:var(--safety-700);font-weight:600;
  letter-spacing:.06em;margin-bottom:14px;
}
.ticket h4{font-family:var(--font-body);text-transform:none;font-size:1rem;margin-bottom:8px;line-height:1.3;font-weight:700}
.ticket p{color:var(--iron-600);font-size:.87rem;margin-bottom:14px}
.ticket .link-arrow{font-size:.76rem}

/* ---------- Nosotros ---------- */
.about-grid{display:grid;grid-template-columns:.85fr 1fr;gap:64px;align-items:start}
.about-media{position:relative}
.about-media img{border-radius:var(--r-md);width:100%;aspect-ratio:4/5;object-fit:cover;filter:grayscale(.15)}
.about-media .fig-cap{
  position:absolute;bottom:-1px;left:-1px;right:-1px;background:var(--iron-950);color:var(--steel-200);
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;padding:10px 16px;
  display:flex;justify-content:space-between;
}
.about-blocks{display:flex;flex-direction:column;gap:0;margin-top:30px;border-top:1px solid var(--steel-200)}
.about-block{padding:22px 0;border-bottom:1px solid var(--steel-200);display:grid;grid-template-columns:100px 1fr;gap:16px}
.about-block .ab-k{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.05em;text-transform:uppercase;color:var(--safety-700);padding-top:3px}
.about-block h4{font-size:1.05rem;margin-bottom:6px}
.about-block p{color:var(--iron-600)}

/* ---------- Historia: placa de fabricación ---------- */
.plate{
  border:1px solid var(--iron-600);border-radius:var(--r-md);padding:48px 52px;
  display:grid;grid-template-columns:.55fr 1fr;gap:48px;align-items:center;
  background:
    radial-gradient(circle 3px at 18px 18px, var(--iron-600), transparent 0),
    radial-gradient(circle 3px at calc(100% - 18px) 18px, var(--iron-600), transparent 0),
    radial-gradient(circle 3px at 18px calc(100% - 18px), var(--iron-600), transparent 0),
    radial-gradient(circle 3px at calc(100% - 18px) calc(100% - 18px), var(--iron-600), transparent 0);
}
.plate-year{
  font-family:var(--font-display);font-weight:700;font-size:clamp(4rem,8vw,6rem);
  color:var(--safety-500);line-height:.9;
}
.plate-year span{
  display:block;font-family:var(--font-mono);font-size:.8rem;font-weight:500;text-transform:uppercase;
  letter-spacing:.1em;color:var(--steel-300);margin-top:16px;
}
.plate-text p{color:var(--steel-200);font-size:1.02rem;margin-bottom:16px;max-width:60ch}
.plate-text p:last-child{margin-bottom:0}

/* ---------- Propuesta de valor: escala tipo calibre ---------- */
.value-wrap{display:grid;grid-template-columns:.8fr 1fr;gap:64px}
.value-lead h2{font-size:clamp(2rem,3.4vw,2.8rem);margin-bottom:16px}
.value-lead p{color:var(--iron-600);font-size:1.05rem}
.gauge-list{border-top:1px solid var(--steel-300)}
.gauge-item{
  display:grid;grid-template-columns:44px 1fr;gap:18px;padding:18px 0;
  border-bottom:1px solid var(--steel-300);
}
.gauge-item .g-tick{
  font-family:var(--font-mono);font-size:.78rem;color:var(--safety-700);font-weight:600;
  border-right:2px solid var(--safety-500);padding-right:12px;text-align:right;align-self:start;padding-top:3px;
}
.gauge-item h4{font-size:1rem;margin-bottom:4px}
.gauge-item p{color:var(--iron-600);font-size:.92rem}

/* ---------- Clientes: registro ---------- */
.ledger{border-top:1px solid var(--steel-300);margin-top:44px}
.ledger-row{
  display:flex;align-items:baseline;gap:20px;padding:20px 4px;
  border-bottom:1px solid var(--steel-300);
}
.ledger-row .l-no{font-family:var(--font-mono);font-size:.82rem;color:var(--steel-300)}
.ledger-row .l-name{font-family:var(--font-display);font-size:1.5rem;text-transform:uppercase;letter-spacing:.01em}
.clients-quote{
  text-align:center;max-width:640px;margin:0 auto;font-size:1.1rem;color:var(--iron-600);
}

/* ---------- Proyectos ---------- */
.projects-note{
  max-width:680px;margin:0 auto 48px;text-align:center;color:var(--iron-600);
  border:1px dashed var(--steel-300);border-radius:var(--r-md);
  padding:16px 22px;font-size:.9rem;font-family:var(--font-mono);
}
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--steel-300);border:1px solid var(--steel-300)}
.project-card{position:relative;aspect-ratio:4/5;background:var(--paper)}
.project-card img{width:100%;height:100%;object-fit:cover;filter:grayscale(.2);transition:transform .5s var(--ease-out), filter .3s var(--ease-out)}
.project-card:hover img{transform:scale(1.05);filter:grayscale(0)}
.project-card .pc-overlay{
  position:absolute;inset:0;background:linear-gradient(0deg, rgba(21,19,15,.92) 0%, rgba(21,19,15,.05) 55%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:22px;color:var(--paper);
}
.project-card .pc-tag{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--safety-500);margin-bottom:6px}
.project-card h4{color:var(--paper);font-size:1.1rem;font-family:var(--font-body);text-transform:none;font-weight:700}

/* ---------- CTA final ---------- */
.cta-final{position:relative;color:var(--paper);text-align:center;overflow:hidden}
.cta-final-content{position:relative;z-index:1;max-width:640px;margin:0 auto}
.cta-final h2{color:var(--paper);font-size:clamp(2.2rem,4vw,3.2rem);margin-bottom:18px}
.cta-final p{color:var(--steel-300);font-size:1.1rem;margin-bottom:36px;font-family:var(--font-body)}
.cta-final .hero-actions{justify-content:center}

/* ---------- Contacto ---------- */
.contact-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:56px;align-items:start}
.contact-info{background:var(--iron-950);color:var(--paper);border-radius:var(--r-md);padding:42px 34px}
.contact-info h3{color:var(--paper);margin-bottom:8px;text-transform:none;font-family:var(--font-body)}
.contact-info>p{color:var(--steel-300);margin-bottom:30px}
.contact-list{display:flex;flex-direction:column;gap:0;border-top:1px solid rgba(255,255,255,.12)}
.contact-list a,.contact-list .ci-static{display:flex;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.contact-list a{transition:color .18s var(--ease-out)}
.contact-list a:hover{color:var(--safety-500)}
.contact-list i{flex:none;width:20px;text-align:center;color:var(--safety-500)}
.contact-list .ci-label{display:block;font-family:var(--font-mono);font-size:.72rem;color:var(--steel-300);letter-spacing:.05em;text-transform:uppercase;margin-bottom:3px}
.contact-list .ci-value{font-weight:500}

.contact-form{background:var(--paper);border:1px solid var(--steel-300);border-radius:var(--r-md);padding:38px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-group{margin-bottom:22px}
.form-group label{display:block;font-family:var(--font-mono);font-size:.76rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;margin-bottom:9px;color:var(--iron-950)}
.form-group .req{color:var(--safety-700)}
.form-control{
  width:100%;padding:13px 16px;border:1.5px solid var(--steel-300);border-radius:var(--r-sm);
  background:var(--paper);font-size:.96rem;font-family:var(--font-body);
  transition:border-color .18s var(--ease-out), box-shadow .18s var(--ease-out);
}
.form-control:hover{border-color:var(--iron-400)}
.form-control:focus{border-color:var(--iron-950);box-shadow:0 0 0 3px var(--steel-100);outline:none}
textarea.form-control{resize:vertical;min-height:120px}
.form-group.has-error .form-control{border-color:var(--danger)}
.form-group.has-error .form-control:focus{box-shadow:0 0 0 3px var(--danger-bg)}
.form-group.is-valid .form-control{border-color:var(--success)}
.field-msg{display:none;font-family:var(--font-mono);font-size:.78rem;color:var(--danger);margin-top:6px}
.form-group.has-error .field-msg{display:block}
.form-status{
  margin-top:18px;padding:14px 16px;border-radius:var(--r-sm);font-size:.9rem;display:none;font-family:var(--font-mono);
}
.form-status.is-visible{display:block}
.form-status.is-success{background:var(--success-bg);color:var(--success)}
.form-status.is-error{background:var(--danger-bg);color:var(--danger)}

/* ---------- WhatsApp flotante ---------- */
.wa-float{
  position:fixed;right:24px;bottom:24px;z-index:900;
  width:56px;height:56px;border-radius:50%;background:var(--whatsapp);color:var(--paper);
  display:flex;align-items:center;justify-content:center;font-size:1.4rem;
  box-shadow:var(--shadow-md);transition:transform .16s var(--ease-out), background .16s var(--ease-out);
}
.wa-float:hover{transform:translateY(-3px)}
.wa-float:active{transform:scale(.94)}

.back-to-top{
  position:fixed;right:24px;bottom:94px;z-index:900;
  width:48px;height:48px;border-radius:50%;
  background:var(--iron-950);color:var(--safety-500);
  border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;font-size:1rem;
  box-shadow:var(--shadow-md);
  opacity:0;transform:translateY(8px);pointer-events:none;
  transition:opacity .2s var(--ease-out), transform .2s var(--ease-out), background .16s var(--ease-out), color .16s var(--ease-out);
}
.back-to-top.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.back-to-top:hover{background:var(--safety-500);color:var(--iron-950)}
.back-to-top:active{transform:scale(.94)}

/* ---------- Footer ---------- */
.site-footer{background:var(--iron-950);color:var(--steel-300);padding-block:64px 28px}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr 1fr;gap:48px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand img{height:30px;margin-bottom:16px}
.footer-brand p{max-width:32ch;font-size:.92rem}
.footer-col h5{font-family:var(--font-mono);color:var(--paper);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:.92rem;transition:color .18s var(--ease-out)}
.footer-col a:hover{color:var(--paper)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  padding-top:24px;font-family:var(--font-mono);font-size:.78rem;color:var(--iron-400);
}

/* ---------- Reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease-out), transform .5s var(--ease-out)}
[data-reveal].is-visible{opacity:1;transform:translateY(0)}
[data-reveal-group] > *{opacity:0;transform:translateY(16px);transition:opacity .45s var(--ease-out), transform .45s var(--ease-out)}
[data-reveal-group].is-visible > *{opacity:1;transform:translateY(0)}
[data-reveal-group].is-visible > *:nth-child(2){transition-delay:.05s}
[data-reveal-group].is-visible > *:nth-child(3){transition-delay:.1s}
[data-reveal-group].is-visible > *:nth-child(4){transition-delay:.15s}
[data-reveal-group].is-visible > *:nth-child(5){transition-delay:.2s}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width:1280px){
  :root{--container:1120px}
  .tickets-grid{grid-template-columns:repeat(3,1fr)}
  .ticket:nth-child(4){border-left:none}
}

@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .site-header .btn-primary{display:none}
  .nav-open .nav-links{
    display:flex;flex-direction:column;position:fixed;inset:68px 0 0 0;
    background:var(--iron-950);padding:36px var(--gutter);gap:6px;overflow-y:auto;
  }
  .nav-open .nav-links::after{display:none}
  .nav-open .nav-links a{
    color:var(--paper);font-size:1.1rem;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1);width:100%;
  }
  .nav-open .btn-primary{display:inline-flex;margin-top:20px}

  .specstrip{grid-template-columns:repeat(2,1fr)}
  .spec:nth-child(3){border-left:none}
  .services-featured{grid-template-columns:1fr}
  .tickets-grid{grid-template-columns:repeat(2,1fr)}
  .ticket:nth-child(3){border-left:none}
  .about-grid{grid-template-columns:1fr;gap:36px}
  .about-media img{aspect-ratio:16/9}
  .value-wrap{grid-template-columns:1fr;gap:32px}
  .plate{grid-template-columns:1fr;text-align:left;gap:24px;padding:36px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .projects-grid{grid-template-columns:repeat(3,1fr)}
}

@media (max-width:768px){
  html{font-size:15px}
  .section{padding-block:56px}
  .hero-content{padding-block:56px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-mark{display:none}
  .specstrip{grid-template-columns:1fr}
  .spec{border-left:none;border-top:1px solid var(--steel-200)}
  .spec:first-child{border-top:none}
  .tickets-grid{grid-template-columns:1fr}
  .ticket{border-left:none !important;border-top:1px solid var(--steel-300)}
  .ticket:first-child{border-top:none}
  .gauge-list{grid-template-columns:1fr}
  .projects-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .form-row{grid-template-columns:1fr}
  .contact-form{padding:26px}
  .contact-info{padding:30px 24px}
  .ledger-row .l-name{font-size:1.2rem}
}

@media (max-width:480px){
  .hero-content h1{font-size:2.1rem}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .wa-float{width:50px;height:50px;right:16px;bottom:16px;font-size:1.25rem}
  .back-to-top{width:42px;height:42px;right:16px;bottom:78px;font-size:.9rem}
  .plate{padding:28px 22px}
}

@media (max-width:375px){
  .container{padding-inline:16px}
  .contact-form{padding:20px}
}