/* ============================================
   N&S AIR — DESIGN TOKENS
   ============================================ */
:root{
  --bg: #061118;
  --bg-soft: #0A1922;
  --surface: #0F212C;
  --surface-2: #142B38;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);

  --ice-1: #5EEAD4;
  --ice-2: #38BDF8;
  --ice-3: #A78BFA;
  --frost: #E6FBFA;

  --text: #EAF6F6;
  --text-dim: #9FB4BC;
  --text-faint: #6B828B;

  --grad-primary: linear-gradient(135deg, #38BDF8 0%, #5EEAD4 100%);
  --grad-hero: radial-gradient(circle at 20% 20%, rgba(56,189,248,0.16), transparent 45%),
               radial-gradient(circle at 85% 75%, rgba(94,234,212,0.14), transparent 50%);

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Manrope', sans-serif;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-full: 999px;

  --ease: cubic-bezier(.16,.84,.44,1);
  --transition: 0.35s var(--ease);
}

*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
html,body{ overflow-x:hidden; }

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  position:relative;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; color:inherit; }
input,textarea,select{ font-family:inherit; }

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

:focus-visible{ outline:2px solid var(--ice-2); outline-offset:3px; border-radius:4px; }

.section-inner{ max-width:1240px; margin:0 auto; padding:0 32px; }

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-display);
  font-size:13px; font-weight:600; letter-spacing:0.12em; text-transform:uppercase;
  color:var(--ice-1);
  margin-bottom:16px;
}
.eyebrow.center{ display:flex; justify-content:center; width:100%; }

h1,h2,h3{ font-family:var(--font-display); font-weight:600; letter-spacing:-0.02em; color:var(--text); }
h2{ font-size:clamp(28px,4vw,44px); margin-bottom:18px; }
h2.center{ text-align:center; }
h3{ font-size:20px; margin-bottom:10px; }
p{ color:var(--text-dim); }

/* cursor glow */
.cursor-glow{
  position:fixed; top:0; left:0; width:420px; height:420px;
  background:radial-gradient(circle, rgba(56,189,248,0.10), transparent 70%);
  border-radius:50%; pointer-events:none; z-index:1;
  transform:translate(-50%,-50%);
  transition:opacity 0.3s ease;
  will-change:transform;
}
@media (max-width:900px){ .cursor-glow{ display:none; } }

/* ============================================
   BUTTONS
   ============================================ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:14px 26px;
  border-radius:var(--radius-full);
  font-family:var(--font-display);
  font-weight:600; font-size:15px;
  transition:var(--transition);
  white-space:nowrap;
}
.btn svg{ transition:transform 0.3s var(--ease); }
.btn-primary{
  background:var(--grad-primary);
  color:#04141B;
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 10px 30px rgba(56,189,248,0.35); }
.btn-primary:hover svg{ transform:translateX(3px); }
.btn-lg{ padding:17px 34px; font-size:16px; }
.btn-ghost{
  background:transparent;
  border:1px solid var(--border-strong);
  color:var(--text);
}
.btn-ghost:hover{ background:rgba(255,255,255,0.05); border-color:var(--ice-2); }
.btn-header{ padding:11px 22px; font-size:14px; }
.btn-block{ width:100%; }

/* ============================================
   DOWNLOAD BUTTON (Brochure)
   ============================================ */
.download-btn{
  --dl-border: 2px;
  position:relative;
  display:inline-flex; align-items:center; gap:16px;
  padding:14px 24px 14px 14px;
  margin:0 auto;
  border-radius:var(--radius-full);
  background:var(--surface);
  isolation:isolate;
  transition:transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.hero-inner .download-btn{ margin-top:28px; }
.download-btn::before{
  content:''; position:absolute; inset:0; border-radius:inherit; padding:var(--dl-border);
  background:conic-gradient(from var(--angle,0deg), var(--ice-2), var(--ice-3), var(--ice-1), var(--ice-2));
  -webkit-mask:linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude;
  animation:spin-border 4s linear infinite;
  z-index:-1;
}
@property --angle{
  syntax:'<angle>'; initial-value:0deg; inherits:false;
}
@keyframes spin-border{ to{ --angle:360deg; } }

.download-icon{
  width:42px; height:42px; border-radius:50%; flex-shrink:0;
  background:var(--grad-primary); color:#04141B;
  display:flex; align-items:center; justify-content:center;
  transition:transform 0.35s var(--ease);
}
.download-arrow{ transition:transform 0.35s var(--ease); }
.download-btn:hover{ transform:translateY(-3px); box-shadow:0 14px 34px rgba(56,189,248,0.25); }
.download-btn:hover .download-icon{ transform:scale(1.08); }
.download-btn:hover .download-arrow{ transform:translateY(2px); }

.download-text{ display:flex; flex-direction:column; align-items:flex-start; }
.download-text strong{
  font-family:var(--font-display); font-size:14.5px; font-weight:700; color:var(--text);
  line-height:1.3;
}
.download-text em{
  font-style:normal; font-size:12px; color:var(--text-faint);
}

.download-btn-inline{ margin:4px 0 32px; }

@media (prefers-reduced-motion: reduce){
  .download-btn::before{ animation:none; }
}

/* ============================================
   HEADER
   ============================================ */
.site-header{
  position:fixed; top:0; left:0; width:100%; z-index:100;
  padding:20px 0;
  transition:var(--transition);
}
.site-header.scrolled{
  padding:12px 0;
  background:rgba(6,17,24,0.75);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  max-width:1240px; margin:0 auto; padding:0 32px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.brand{ display:flex; align-items:center; }
.brand-logo{ height:88px; width:auto; object-fit:contain; transition:height var(--transition); }
.site-header.scrolled .brand-logo{ height:66px; }

.main-nav{ display:flex; align-items:center; gap:36px; }
.nav-link{
  position:relative; font-size:15px; font-weight:500; color:var(--text-dim);
  transition:color 0.25s ease;
}
.nav-link::after{
  content:''; position:absolute; left:0; bottom:-6px; width:0; height:2px;
  background:var(--grad-primary); transition:width 0.3s var(--ease);
}
.nav-link:hover, .nav-link.active{ color:var(--text); }
.nav-link:hover::after, .nav-link.active::after{ width:100%; }

.burger{ display:none; flex-direction:column; gap:5px; width:26px; z-index:101; }
.burger span{ height:2px; width:100%; background:var(--text); border-radius:2px; transition:var(--transition); }
.burger.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2){ opacity:0; }
.burger.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

.mobile-menu{
  position:fixed; top:0; right:0; height:100vh; width:min(320px,80vw);
  background:var(--bg-soft); border-left:1px solid var(--border);
  z-index:99; padding:100px 32px 40px;
  display:flex; flex-direction:column; gap:8px;
  transform:translateX(100%); transition:transform 0.4s var(--ease);
}
.mobile-menu.open{ transform:translateX(0); }
.mobile-link{ font-family:var(--font-display); font-size:20px; font-weight:600; padding:14px 0; border-bottom:1px solid var(--border); color:var(--text); }
.btn-mobile{ margin-top:24px; }

/* ============================================
   HERO
   ============================================ */
.hero{
  position:relative; min-height:100vh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  padding:140px 32px 80px;
  overflow:hidden;
}
.hero-bg{ position:absolute; inset:0; z-index:0; }
.hero-photo{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
}
.hero-veil{
  position:absolute; inset:0;
  background:linear-gradient(180deg,
    rgba(6,17,24,0.72) 0%,
    rgba(6,17,24,0.55) 45%,
    rgba(6,17,24,0.94) 100%);
}
.hero-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 50% 30%, black 10%, transparent 70%);
}
.hero-bg::before{
  content:''; position:absolute; inset:0; background:var(--grad-hero);
}
.hero-orb{
  position:absolute; border-radius:50%; filter:blur(80px); opacity:0.5;
  animation:float 10s ease-in-out infinite;
}
.orb-1{ width:420px; height:420px; background:var(--ice-2); top:-100px; left:-100px; opacity:0.3; }
.orb-2{ width:360px; height:360px; background:var(--ice-3); bottom:-80px; right:-60px; animation-delay:-4s; opacity:0.3; }
@keyframes float{
  0%,100%{ transform:translate(0,0); }
  50%{ transform:translate(30px,-30px); }
}

.snow-layer{ position:absolute; inset:0; overflow:hidden; }
.snow-particle{
  position:absolute; top:-10px; border-radius:50%;
  background:rgba(230,251,250,0.55);
  animation:fall linear infinite;
}
@keyframes fall{
  to{ transform:translateY(110vh); }
}

.hero-inner{ position:relative; z-index:2; max-width:840px; text-align:center; }
.hero-badge{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 16px; border-radius:var(--radius-full);
  background:rgba(94,234,212,0.08); border:1px solid rgba(94,234,212,0.25);
  color:var(--ice-1); font-size:13px; font-weight:600; letter-spacing:0.04em;
  margin-bottom:28px;
}
.hero-title{
  font-size:clamp(38px,7vw,74px); line-height:1.04; margin-bottom:22px;
}
.hero-title-gradient{
  display:block;
  background:var(--grad-primary);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-sub{
  font-size:clamp(16px,2vw,19px); color:var(--text-dim); max-width:600px;
  margin:0 auto 40px;
}
.hero-cta{ display:flex; align-items:center; justify-content:center; gap:16px; flex-wrap:wrap; margin-bottom:64px; }

.hero-stats{
  display:flex; align-items:center; justify-content:center; gap:36px; flex-wrap:wrap;
}
.stat{ display:flex; flex-direction:column; align-items:center; gap:2px; }
.stat-num{
  font-family:var(--font-display); font-size:34px; font-weight:700; color:var(--text);
}
.stat-plus{ font-family:var(--font-display); font-size:22px; font-weight:700; color:var(--ice-1); margin-left:-8px; }
.stat-label{ font-size:13px; color:var(--text-faint); }
.stat-divider{ width:1px; height:36px; background:var(--border-strong); }

.hero-scroll{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:6px;
  font-size:12px; color:var(--text-faint); letter-spacing:0.08em; text-transform:uppercase;
  animation:bob 2.2s ease-in-out infinite;
  z-index:2;
}
@keyframes bob{ 0%,100%{ transform:translate(-50%,0); } 50%{ transform:translate(-50%,8px); } }

/* ============================================
   REVEAL / FADE ANIMATIONS
   ============================================ */
.reveal{ opacity:0; transform:translateY(24px); animation:revealUp 0.8s var(--ease) forwards; }
.hero-badge.reveal{ animation-delay:0.05s; }
.hero-title.reveal{ animation-delay:0.15s; }
.hero-sub.reveal{ animation-delay:0.28s; }
.hero-cta.reveal{ animation-delay:0.4s; }
.hero-stats.reveal{ animation-delay:0.52s; }
@keyframes revealUp{ to{ opacity:1; transform:translateY(0); } }

.fade-up{ opacity:0; transform:translateY(28px); transition:opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.fade-up.in-view{ opacity:1; transform:translateY(0); }

/* ============================================
   ABOUT
   ============================================ */
.about{ padding:140px 0; position:relative; }
.about-grid{ display:grid; grid-template-columns:0.85fr 1.15fr; gap:80px; align-items:center; }

.about-visual{ position:relative; }
.about-frame{
  position:relative; z-index:2; aspect-ratio:1/1.05;
  border-radius:var(--radius-lg); overflow:hidden;
}
.about-img{
  display:block; width:100%; height:100%; object-fit:cover;
}
.about-badge{
  position:absolute; z-index:3; bottom:-24px; left:-24px;
  background:var(--surface-2); border:1px solid var(--border-strong);
  border-radius:var(--radius-md); padding:18px 22px;
  display:flex; flex-direction:column;
  box-shadow:0 20px 50px rgba(0,0,0,0.35);
}
.about-badge strong{ font-family:var(--font-display); font-size:26px; color:var(--ice-1); }
.about-badge span{ font-size:12px; color:var(--text-faint); }

.mv-cards{ display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:36px; }
.mv-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md);
  padding:26px; transition:var(--transition);
}
.mv-card:hover{ border-color:var(--ice-2); transform:translateY(-4px); }
.mv-icon{
  width:44px; height:44px; border-radius:12px; margin-bottom:14px;
  background:rgba(56,189,248,0.1); color:var(--ice-2);
  display:flex; align-items:center; justify-content:center;
}
.mv-card p{ font-size:14px; }

/* ============================================
   EXPERIENCE
   ============================================ */
.experience{ padding:100px 0; background:var(--bg-soft); }
.exp-grid{ display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:center; }
.exp-list{ margin:26px 0; display:flex; flex-direction:column; gap:14px; }
.exp-list li{ display:flex; align-items:center; gap:12px; color:var(--text); font-weight:500; }
.exp-list svg{ color:var(--ice-1); flex-shrink:0; }

.link-arrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-display); font-weight:600; color:var(--ice-1);
}
.link-arrow svg{ transition:transform 0.3s var(--ease); }
.link-arrow:hover svg{ transform:translateX(4px); }

.exp-gallery{
  position:relative; z-index:2;
  display:grid; grid-template-columns:1fr 1fr; grid-template-rows:1fr 1fr; gap:16px; height:440px;
}
.exp-img{
  display:block; width:100%; height:100%; object-fit:cover;
  min-width:0; min-height:0;
  border-radius:var(--radius-md);
}
.exp-img-1{ grid-row:1 / span 2; }

/* ============================================
   CLIENTS TICKER
   ============================================ */
.clients{ padding:100px 0; overflow:hidden; }
.clients-track-wrap{
  margin-top:40px; overflow:hidden;
  mask-image:linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image:linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}
.clients-track{
  display:flex; width:max-content;
  animation:scroll-left 45s linear infinite;
}
@keyframes scroll-left{ to{ transform:translateX(-50%); } }
/* La separación va como margin-right (no gap): así el ancho de cada mitad
   es exactamente el 50% del track y el loop cierra sin salto. */
.client-chip{
  flex:0 0 auto; margin-right:18px;
  display:flex; align-items:center; justify-content:center;
  width:200px; height:108px; padding:14px 18px;
  border-radius:var(--radius-md);
  background:#fff; border:1px solid var(--border);
  transition:var(--transition);
}
.client-chip img{
  display:block;
  max-width:100%; max-height:100%; width:auto; height:auto;
  object-fit:contain;
}
/* El reset global (linea ~56) mata toda animacion con !important cuando el
   sistema pide "movimiento reducido", y eso dejaba el ticker congelado.
   Excepcion pedida expresamente para el carrusel de clientes: sigue girando,
   pero al doble de lento para que resulte menos agresivo.
   .clients-track le gana a * por especificidad. */
@media (prefers-reduced-motion: reduce){
  .clients-track{ animation:scroll-left 90s linear infinite !important; }
}
.client-chip:hover{
  border-color:var(--ice-2);
  box-shadow:0 14px 32px rgba(0,0,0,0.35);
}

/* ============================================
   CTA FINAL
   ============================================ */
.cta-final{ padding:60px 32px 140px; }
.cta-final-inner{
  max-width:800px; margin:0 auto; text-align:center;
  padding:70px 40px; border-radius:var(--radius-lg);
  background:linear-gradient(135deg, rgba(56,189,248,0.1), rgba(94,234,212,0.06));
  border:1px solid rgba(94,234,212,0.2);
  position:relative; overflow:hidden;
}
.cta-final-inner::before{
  content:''; position:absolute; width:300px; height:300px; border-radius:50%;
  background:var(--ice-2); filter:blur(100px); opacity:0.2; top:-100px; right:-60px;
}
.cta-final-inner h2{ margin-bottom:12px; }
.cta-final-inner p{ margin-bottom:32px; }

/* ============================================
   PAGE HERO (Servicios / Contacto)
   ============================================ */
.page-hero{
  position:relative; padding:170px 32px 90px; text-align:center; overflow:hidden;
}
.page-hero-photo{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
}
.page-hero-veil{
  position:absolute; inset:0;
  background:linear-gradient(180deg,
    rgba(6,17,24,0.78) 0%,
    rgba(6,17,24,0.62) 50%,
    rgba(6,17,24,0.96) 100%);
}
.page-hero-inner{ position:relative; z-index:2; max-width:700px; margin:0 auto; }
.page-hero-inner h1{ font-size:clamp(36px,6vw,58px); margin:14px 0 16px; }
.page-hero-inner p{ font-size:17px; }

/* ============================================
   SERVICES GRID
   ============================================ */
.services{ padding:40px 0 120px; }
.services-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:24px;
}
.service-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md);
  overflow:hidden; transition:var(--transition);
}
.service-card:hover{
  transform:translateY(-6px); border-color:var(--ice-2);
  box-shadow:0 20px 50px rgba(0,0,0,0.3);
}
.service-img{
  display:block; width:100%; aspect-ratio:16/9; object-fit:cover;
}
.service-body{ padding:26px 30px 32px; }
.service-icon{
  width:52px; height:52px; border-radius:14px; margin-bottom:18px;
  background:var(--grad-primary); color:#04141B;
  display:flex; align-items:center; justify-content:center;
}
.service-card p{ font-size:14.5px; }

/* ============================================
   PROCESS
   ============================================ */
.process{ padding:60px 0 130px; background:var(--bg-soft); }
.process-track{
  display:grid; grid-template-columns:repeat(4,1fr); gap:24px; margin-top:48px;
  position:relative;
}
.process-step{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md);
  padding:30px 26px; position:relative;
}
.process-num{
  font-family:var(--font-display); font-size:14px; font-weight:700; color:var(--ice-1);
  display:block; margin-bottom:14px; letter-spacing:0.05em;
}
.process-step p{ font-size:14px; }

/* ============================================
   CONTACT
   ============================================ */
.contact{ padding:20px 0 140px; }
.contact-grid{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:70px; }

.contact-info h2{ margin-top:0; }
.contact-info > p{ margin-bottom:36px; }

.contact-items{ display:flex; flex-direction:column; gap:14px; margin-bottom:36px; }
.contact-item{
  display:flex; align-items:center; gap:16px;
  padding:16px 18px; border-radius:var(--radius-md);
  background:var(--surface); border:1px solid var(--border);
  transition:var(--transition);
}
.contact-item:hover{ border-color:var(--ice-2); transform:translateX(4px); }
.contact-item-icon{
  width:42px; height:42px; border-radius:11px; flex-shrink:0;
  background:rgba(56,189,248,0.1); color:var(--ice-2);
  display:flex; align-items:center; justify-content:center;
}
.contact-item div span{ display:block; font-size:12px; color:var(--text-faint); margin-bottom:2px; }
.contact-item div strong{ font-size:14.5px; font-weight:600; color:var(--text); word-break:break-word; }

.contact-social{ display:flex; gap:12px; }

.contact-form{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:40px; display:flex; flex-direction:column; gap:20px;
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.form-group{ display:flex; flex-direction:column; gap:8px; }
.form-group label{ font-size:13px; font-weight:600; color:var(--text-dim); }
.form-group input, .form-group select, .form-group textarea{
  background:var(--bg-soft); border:1px solid var(--border-strong); border-radius:var(--radius-sm);
  padding:13px 16px; color:var(--text); font-size:14.5px;
  transition:border-color 0.25s ease, box-shadow 0.25s ease;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus{
  border-color:var(--ice-2); box-shadow:0 0 0 3px rgba(56,189,248,0.15); outline:none;
}
.form-group textarea{ resize:vertical; min-height:110px; }
.form-group select{ appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M6 9l6 6 6-6' stroke='%235EEAD4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 14px center; }

.form-success{
  display:none; align-items:center; gap:8px;
  color:var(--ice-1); font-size:14px; font-weight:600;
  background:rgba(94,234,212,0.08); border:1px solid rgba(94,234,212,0.25);
  padding:14px 18px; border-radius:var(--radius-sm);
}
.form-success.show{ display:flex; animation:revealUp 0.5s var(--ease); }

/* ============================================
   FOOTER
   ============================================ */
.site-footer{
  position:relative; padding:90px 0 0; background:var(--bg-soft);
  border-top:1px solid var(--border); overflow:hidden;
}
.footer-glow{
  position:absolute; width:500px; height:300px; border-radius:50%;
  background:var(--ice-2); filter:blur(140px); opacity:0.08; top:-50px; left:50%; transform:translateX(-50%);
}
.footer-inner{ max-width:1240px; margin:0 auto; padding:0 32px; position:relative; z-index:1; }
.footer-top{
  display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px;
  padding-bottom:60px;
}
.footer-logo{ height:56px; width:auto; object-fit:contain; margin-bottom:12px; }
.footer-brand p{ font-size:13px; color:var(--text-faint); margin-top:2px; }
.footer-tagline{ margin-top:14px; font-size:14px; max-width:220px; }

.footer-col h4{
  font-family:var(--font-display); font-size:14px; color:var(--text);
  margin-bottom:18px; letter-spacing:0.03em;
}
.footer-col a{
  display:flex; align-items:center; gap:8px;
  font-size:14px; color:var(--text-dim); margin-bottom:12px;
  transition:color 0.25s ease; word-break:break-word;
}
.footer-col a:hover{ color:var(--ice-1); }
.footer-col a svg{ flex-shrink:0; color:var(--ice-2); }

.footer-social{ display:flex; gap:10px; }
.social-btn{
  width:38px; height:38px; border-radius:50%;
  background:var(--surface); border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  color:var(--text-dim); transition:var(--transition);
}
.social-btn:hover{ color:var(--ice-1); border-color:var(--ice-2); transform:translateY(-3px); }

.footer-bottom{
  border-top:1px solid var(--border); padding:24px 0;
  text-align:center; font-size:13px; color:var(--text-faint);
}

.scroll-top{
  position:fixed; bottom:28px; right:28px; z-index:80;
  width:46px; height:46px; border-radius:50%;
  background:var(--surface-2); border:1px solid var(--border-strong); color:var(--ice-1);
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transform:translateY(10px);
  transition:var(--transition);
  box-shadow:0 10px 30px rgba(0,0,0,0.3);
}
.scroll-top.show{ opacity:1; visibility:visible; transform:translateY(0); }
.scroll-top:hover{ background:var(--ice-2); color:#04141B; }

/* ============================================
   ANTI-DESBORDE
   Los hijos de una cuadrícula se niegan por defecto a encogerse
   por debajo de su contenido (min-width:auto). Eso rompe el layout
   cuando llevan imágenes, campos de formulario o textos largos.
   ============================================ */
.service-card, .mv-card, .process-step,
.form-group, .footer-col, .footer-brand,
.contact-info, .contact-form, .about-content, .exp-content{
  min-width:0;
}
h1, h2, h3, p, a, li, label, strong{ overflow-wrap:break-word; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width:1080px){
  .about-grid, .exp-grid, .contact-grid{ grid-template-columns:1fr; gap:56px; }
  .exp-gallery{ order:-1; height:340px; }
  .about-visual{ max-width:420px; margin:0 auto; }
  .brand-logo{ height:76px; }
  .site-header.scrolled .brand-logo{ height:60px; }
  .services-grid{ grid-template-columns:1fr 1fr; }
  .process-track{ grid-template-columns:1fr 1fr; }
  .footer-top{ grid-template-columns:1fr 1fr; row-gap:44px; }
}

@media (max-width:860px){
  .main-nav, .btn-header{ display:none; }
  .burger{ display:flex; }
  .brand-logo{ height:68px; }
  .site-header.scrolled .brand-logo{ height:56px; }
}

@media (max-width:640px){
  .section-inner{ padding:0 22px; }
  .hero{ padding:130px 22px 70px; }
  .page-hero{ padding:140px 22px 70px; }
  .exp-gallery{ height:300px; gap:12px; }
  .service-body{ padding:24px 24px 28px; }
  .hero-stats{ gap:20px; }
  .stat-divider{ display:none; }
  .mv-cards{ grid-template-columns:1fr; }
  .services-grid{ grid-template-columns:1fr; }
  .process-track{ grid-template-columns:1fr; }
  .form-row{ grid-template-columns:1fr; }
  .contact-form{ padding:26px; }
  .footer-top{ grid-template-columns:1fr; }
  .brand-logo{ height:58px; }
  .site-header.scrolled .brand-logo{ height:48px; }
  .cta-final{ padding:40px 20px 100px; }
  .cta-final-inner{ padding:50px 26px; }
  .about-badge{ left:0; padding:14px 18px; }
  .client-chip{ width:158px; height:88px; padding:12px 14px; margin-right:14px; }
}