/* ==========================================================================
   BNB — Servicios de Telecomunicación
   Consultoría administrativa & estrategia de marca — Cancún, Q. Roo
   ========================================================================== */

:root{
  --navy-950:#0c2032;
  --navy-900:#122c44;
  --navy-800:#1a3d5c;
  --navy-700:#234f75;
  --teal-500:#1fb1d6;
  --teal-400:#4fc8e3;
  --teal-300:#8adcee;
  --cream:#f6f3ec;
  --cream-2:#efe9dd;
  --paper:#fbfaf6;
  --ink:#161e26;
  --muted:#5c6b76;
  --muted-light:rgba(246,243,236,0.68);
  --border:rgba(18,44,68,0.12);
  --border-light:rgba(246,243,236,0.18);

  --font-display:'Fraunces', 'Georgia', serif;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-soft:cubic-bezier(.16,.84,.44,1);

  --container:1360px;
  --gutter:clamp(20px, 5vw, 72px);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;scroll-behavior:auto !important;}
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;background:none;border:none;cursor:pointer;color:inherit;}
address{font-style:normal;}
h1,h2,h3,h4{margin:0;font-family:var(--font-display);font-weight:400;}

::selection{background:var(--teal-500);color:#fff;}

:focus-visible{outline:2px solid var(--teal-500);outline-offset:3px;}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--gutter);
}

/* film grain overlay for texture */
.grain{
  position:fixed;inset:0;
  pointer-events:none;
  z-index:9998;
  opacity:0.035;
  mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.scroll-progress{
  position:fixed;top:0;left:0;right:0;height:2px;z-index:9999;background:transparent;
}
.scroll-progress span{
  display:block;height:100%;width:0%;
  background:linear-gradient(90deg, var(--teal-500), var(--teal-300));
  transition:width .08s linear;
}

/* ---------- Loader ---------- */
.loader{
  position:fixed;inset:0;z-index:10000;
  background:var(--navy-950);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .7s var(--ease), visibility .7s var(--ease);
}
.loader.is-hidden{opacity:0;visibility:hidden;}
.loader-ring{width:64px;height:64px;}
.loader-ring .ring{fill:none;stroke-width:1.4;transform-origin:60px 60px;}
.loader-ring .ring-a{stroke:var(--teal-400);stroke-dasharray:220;stroke-dashoffset:60;animation:spin 1.4s linear infinite;}
.loader-ring .ring-b{stroke:rgba(255,255,255,0.35);stroke-dasharray:180;stroke-dashoffset:40;animation:spin 1.8s linear infinite reverse;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:500;
  padding:22px 0;
  transition:padding .4s var(--ease), background .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header .header-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--gutter);
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;
}
.brand{position:relative;display:inline-flex;align-items:center;width:52px;height:52px;}
.brand-logo{
  position:absolute;inset:0;height:100%;width:100%;object-fit:contain;
  transition:height .4s var(--ease), opacity .4s var(--ease), transform .4s var(--ease);
}
.brand-logo-navy{opacity:0;transform:scale(.9);}
.brand-logo-white{opacity:1;}

.main-nav ul{display:flex;gap:40px;}
.main-nav a{
  display:inline-flex;align-items:baseline;gap:8px;
  font-size:14px;letter-spacing:.02em;font-weight:500;
  color:#fff;
  position:relative;padding:4px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:currentColor;transition:width .35s var(--ease);
}
.main-nav a:hover::after{width:100%;}
.nav-index{font-family:var(--font-display);font-style:italic;font-size:12px;opacity:.55;}

.header-cta{margin-left:auto;}

.menu-toggle{
  display:none;flex-direction:column;gap:5px;width:28px;
  padding:4px;position:relative;z-index:600;
}
.menu-toggle span{display:block;height:1.5px;width:100%;background:#fff;transition:transform .35s var(--ease),opacity .3s var(--ease), background .3s var(--ease);}
.menu-toggle.is-active span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.menu-toggle.is-active span:nth-child(2){opacity:0;}
.menu-toggle.is-active span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

/* scrolled state */
.site-header.is-scrolled{
  background:rgba(251,250,246,0.9);
  backdrop-filter:blur(14px) saturate(1.3);
  box-shadow:0 1px 0 var(--border);
  padding:14px 0;
}
.site-header.is-scrolled .brand{height:40px;width:40px;}
.site-header.is-scrolled .brand-logo-white{opacity:0;transform:scale(.9);}
.site-header.is-scrolled .brand-logo-navy{opacity:1;transform:scale(1);}
.site-header.is-scrolled .main-nav a{color:var(--ink);}
.site-header.is-scrolled .menu-toggle span{background:var(--ink);}
.site-header.is-menu-open{background:transparent !important;box-shadow:none !important;backdrop-filter:none !important;}
.site-header.is-menu-open .menu-toggle span{background:#fff;}
.site-header.is-scrolled .header-cta{color:var(--ink);border-color:var(--border);}
.site-header.is-scrolled .header-cta:hover{background:var(--ink);color:#fff;}

/* hide header on scroll down, show on scroll up */
.site-header.is-hidden{transform:translateY(-100%);}

/* ---------- mobile menu ---------- */
.mobile-menu{
  position:fixed;inset:0;z-index:480;
  background:var(--navy-950);
  display:flex;flex-direction:column;justify-content:center;
  padding:0 var(--gutter);
  transform:translateY(-100%);
  transition:transform .55s var(--ease-soft);
}
.mobile-menu.is-open{transform:translateY(0);}
.mobile-menu ul{display:flex;flex-direction:column;gap:8px;}
.mobile-menu a{
  display:flex;align-items:baseline;gap:18px;
  font-family:var(--font-display);font-size:clamp(32px,10vw,56px);
  color:#fff;padding:14px 0;border-bottom:1px solid var(--border-light);
}
.mobile-menu a span{font-size:16px;color:var(--teal-400);font-style:italic;font-family:var(--font-display);}
.mobile-menu-foot{margin-top:40px;color:var(--muted-light);font-size:14px;display:flex;flex-direction:column;gap:6px;}
.mobile-menu-foot a{color:var(--teal-300);}

/* ==========================================================================
   BUTTONS / LINKS
   ========================================================================== */
.btn{
  position:relative;
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 26px;
  font-size:14px;font-weight:500;letter-spacing:.01em;
  border-radius:2px;
  transition:transform .4s var(--ease), background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
  white-space:nowrap;
}
.btn-arrow{width:16px;height:16px;transition:transform .4s var(--ease);}
.btn:hover .btn-arrow{transform:translateX(4px);}

.btn-solid{background:var(--ink);color:#fff;}
.btn-solid:hover{background:var(--teal-500);}

.btn-ghost{border:1px solid rgba(255,255,255,0.4);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,0.12);}

.btn-solid-light{background:var(--teal-500);color:var(--navy-950);}
.btn-solid-light:hover{background:var(--teal-300);}

.btn-ghost-light{border:1px solid var(--border-light);color:#fff;}
.btn-ghost-light:hover{border-color:var(--teal-400);color:var(--teal-300);}

.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;
  border-bottom:1px solid var(--ink);padding-bottom:3px;
  transition:gap .35s var(--ease), color .3s;
}
.text-link svg{width:15px;height:15px;transition:transform .35s var(--ease);}
.text-link:hover{gap:14px;}
.text-link:hover svg{transform:translateX(2px);}
.text-link-light{border-color:var(--border-light);color:#fff;}
.text-link-light:hover{color:var(--teal-300);border-color:var(--teal-300);}

.ring-dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  border:1.4px solid var(--teal-500);position:relative;
}
.ring-dot::after{content:"";position:absolute;inset:2px;border-radius:50%;background:var(--teal-500);}
.ring-dot-light{border-color:var(--teal-400);}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  position:relative;
  height:100svh;min-height:640px;
  overflow:hidden;
  background:var(--navy-950);
}
.hero-slides{position:absolute;inset:0;}
.hero-slide{
  position:absolute;inset:0;
  opacity:0;visibility:hidden;
  transition:opacity 1.4s var(--ease-soft), visibility 1.4s;
}
.hero-slide.is-active{opacity:1;visibility:visible;z-index:2;}
.hero-media{position:absolute;inset:0;overflow:hidden;}
.hero-media img{
  width:100%;height:100%;object-fit:cover;
  transform:scale(1.12);
  transition:transform 9s linear;
  filter:saturate(0.92) brightness(0.82);
}
.hero-slide.is-active .hero-media img{transform:scale(1.0);}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(12,32,50,.55) 0%, rgba(12,32,50,.28) 32%, rgba(12,32,50,.55) 78%, rgba(12,32,50,.92) 100%),
    linear-gradient(90deg, rgba(12,32,50,.55) 0%, rgba(12,32,50,0) 45%);
}

.hero-copy{
  position:absolute;left:0;right:0;bottom:0;top:0;
  display:flex;flex-direction:column;justify-content:center;
  max-width:var(--container);margin:0 auto;
  padding:0 var(--gutter);
  padding-bottom:8vh;
}
.hero-eyebrow{
  display:flex;align-items:center;gap:10px;
  color:var(--teal-300);font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  font-weight:600;margin:0 0 22px;
  opacity:0;transform:translateY(14px);
  transition:opacity .6s var(--ease), transform .6s var(--ease);
}
.hero-slide.is-active .hero-eyebrow{animation:heroUp .9s var(--ease-soft) .35s forwards;}

.hero-copy h1{
  color:#fff;font-weight:400;
  font-size:clamp(40px, 7.2vw, 108px);
  line-height:0.98;letter-spacing:-.01em;
  margin:0 0 26px;
}
.hero-copy h1 .line{display:block;overflow:hidden;}
.hero-copy h1 .line > *{display:inline-block;}
.hero-copy h1 em{font-style:italic;color:var(--teal-300);}
.hero-copy h1 .line{opacity:0;transform:translateY(60%);transition:opacity .6s var(--ease), transform .6s var(--ease);}
.hero-slide.is-active .hero-copy h1 .line{animation:heroUp 1s var(--ease-soft) forwards;}
.hero-slide.is-active .hero-copy h1 .line:nth-child(1){animation-delay:.5s;}
.hero-slide.is-active .hero-copy h1 .line:nth-child(2){animation-delay:.62s;}
.hero-slide.is-active .hero-copy h1 .line:nth-child(3){animation-delay:.74s;}

.hero-desc{
  color:rgba(255,255,255,0.82);font-size:clamp(15px,1.6vw,18px);
  max-width:480px;line-height:1.6;
  opacity:0;transform:translateY(14px);
  transition:opacity .6s var(--ease), transform .6s var(--ease);
}
.hero-slide.is-active .hero-desc{animation:heroUp .9s var(--ease-soft) .95s forwards;}

@keyframes heroUp{to{opacity:1;transform:translateY(0);}}

.hero-frame{
  position:absolute;inset:0;z-index:5;pointer-events:none;
  display:flex;flex-direction:column;justify-content:space-between;
  padding:110px var(--gutter) 34px;
}
.hero-frame > *{pointer-events:auto;}
.hero-top{display:flex;align-items:flex-start;justify-content:flex-end;}
.hero-tag{
  color:rgba(255,255,255,.5);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  position:absolute;left:22px;top:50%;z-index:5;
  writing-mode:vertical-rl;transform:translateY(-50%) rotate(180deg);
}
.hero-rings svg{width:64px;height:64px;animation:spin 40s linear infinite;}
.hero-rings .rr{fill:none;stroke:rgba(255,255,255,0.28);stroke-width:1;}
.hero-rings .rr-2{stroke:var(--teal-400);stroke-dasharray:3 7;}

.hero-bottom{
  display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.hero-nav{display:flex;align-items:center;gap:22px;}
.hero-count{
  color:#fff;font-family:var(--font-display);font-style:italic;font-size:15px;
  display:flex;align-items:center;gap:8px;
}
.hero-count i{width:20px;height:1px;background:rgba(255,255,255,.4);display:inline-block;}
.hero-controls{display:flex;gap:6px;}
.hero-controls button{
  width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(255,255,255,.3);color:#fff;
  display:flex;align-items:center;justify-content:center;
  transition:background .3s, border-color .3s, transform .3s;
}
.hero-controls button:hover{background:var(--teal-500);border-color:var(--teal-500);transform:scale(1.06);}
.hero-controls svg{width:16px;height:16px;}
.hero-progress{width:90px;height:2px;background:rgba(255,255,255,.22);position:relative;overflow:hidden;display:none;}
.hero-progress span{position:absolute;left:0;top:0;bottom:0;width:0%;background:var(--teal-400);}

.scroll-cue{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);
  z-index:5;color:rgba(255,255,255,.6);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  display:flex;flex-direction:column;align-items:center;gap:10px;
}
.scroll-cue span{width:1px;height:34px;background:linear-gradient(rgba(255,255,255,.9),transparent);animation:cue 2s ease-in-out infinite;}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top;}50%{transform:scaleY(1);transform-origin:top;}50.01%{transform-origin:bottom;}100%{transform:scaleY(0);transform-origin:bottom;}}

/* ==========================================================================
   SHARED SECTION STYLES
   ========================================================================== */
.section{padding:clamp(80px,12vw,160px) 0;position:relative;}
.display-md{font-size:clamp(32px,4.6vw,58px);line-height:1.08;letter-spacing:-.01em;font-weight:400;}
.display-md em{font-style:italic;color:var(--teal-500);}
.text-light{color:#fff;}
.text-light em{color:var(--teal-300);}
.text-light-muted{color:var(--muted-light);}

.kicker{
  display:flex;align-items:center;gap:12px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;
  color:var(--muted);margin:0 0 20px;
}
.kicker-index{
  font-family:var(--font-display);font-style:italic;color:var(--teal-500);font-size:15px;
}
.kicker-light{color:var(--muted-light);}
.kicker-light .kicker-index{color:var(--teal-400);}

.lead{font-size:clamp(16px,1.8vw,19px);color:var(--muted);max-width:640px;line-height:1.65;}
.lead-narrow{margin-top:18px;}

.section-head{margin-bottom:64px;}

/* reveal-on-scroll baseline */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease-soft), transform .9s var(--ease-soft);}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ==========================================================================
   NOSOTROS
   ========================================================================== */
.nosotros{background:var(--paper);}
.nosotros-grid{
  display:grid;grid-template-columns:1fr 0.9fr;gap:clamp(30px,6vw,90px);
  align-items:start;margin-bottom:clamp(80px,10vw,140px);
}
.nosotros-text p{color:var(--muted);margin:0 0 20px;}
.nosotros-text .lead{color:var(--ink);font-family:var(--font-display);font-size:clamp(20px,2.2vw,26px);line-height:1.5;max-width:none;}
.nosotros-media{position:relative;}
.nosotros-media img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:2px;}
.media-frame-ring{position:absolute;top:-14%;right:-12%;width:150px;opacity:0.9;pointer-events:none;}
.media-frame-ring svg{width:100%;height:100%;animation:spin 50s linear infinite;}
.media-frame-ring .rr{fill:none;stroke:var(--teal-500);stroke-width:1;stroke-dasharray:2 6;}

.pillars{
  display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(28px,4vw,50px);
  border-top:1px solid var(--border);padding-top:56px;
  margin-bottom:clamp(80px,10vw,140px);
}
.pillar-index{
  display:block;font-family:var(--font-display);font-style:italic;color:var(--teal-500);
  font-size:14px;margin-bottom:16px;
}
.pillar h3{font-size:24px;margin-bottom:14px;}
.pillar p{color:var(--muted);font-size:15px;line-height:1.7;margin:0;}

.valores{border-top:1px solid var(--border);padding-top:56px;}
.valores-list{display:grid;grid-template-columns:repeat(2,1fr);}
.valor-row{
  display:grid;grid-template-columns:56px 1fr;gap:20px;
  padding:26px 20px 26px 0;border-bottom:1px solid var(--border);
  transition:background .4s var(--ease), padding-left .4s var(--ease);
}
.valor-row:hover{background:var(--cream);padding-left:14px;}
.valor-num{font-family:var(--font-display);font-style:italic;font-size:22px;color:var(--teal-500);}
.valor-row h4{font-size:18px;margin-bottom:8px;}
.valor-row p{color:var(--muted);font-size:14.5px;margin:0;line-height:1.6;}

/* ==========================================================================
   SERVICIOS
   ========================================================================== */
.servicios{background:var(--cream);}
.servicios-tabs{
  position:relative;
  display:flex;gap:clamp(20px,4vw,56px);
  border-bottom:1px solid var(--border);
  margin-bottom:56px;flex-wrap:wrap;
}
.tab-btn{
  display:flex;align-items:center;gap:12px;
  padding:0 0 22px;color:var(--muted);
  transition:color .35s var(--ease);
}
.tab-btn .tab-num{font-family:var(--font-display);font-style:italic;font-size:13px;color:var(--teal-500);}
.tab-btn .tab-label{font-size:clamp(16px,2vw,19px);font-family:var(--font-display);}
.tab-btn.is-active,.tab-btn:hover{color:var(--ink);}
.tab-underline{
  position:absolute;bottom:-1px;left:0;height:2px;background:var(--ink);
  transition:left .45s var(--ease), width .45s var(--ease);
}

.servicios-panel{display:none;grid-template-columns:0.8fr 1.2fr;gap:clamp(30px,5vw,70px);}
.servicios-panel.is-active{display:grid;}
.panel-media{position:sticky;top:120px;align-self:start;}
.panel-media img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:2px;}

.servicios-list{columns:1;column-gap:40px;counter-reset:svc;}
@media(min-width:720px){.servicios-list{columns:2;}}
.servicios-list li{
  counter-increment:svc;
  break-inside:avoid;
  position:relative;
  padding:18px 0 18px 40px;
  border-bottom:1px solid var(--border);
  font-size:15px;color:var(--ink);line-height:1.55;
}
.servicios-list li::before{
  content:counter(svc,decimal-leading-zero);
  position:absolute;left:0;top:18px;
  font-family:var(--font-display);font-style:italic;color:var(--teal-500);font-size:13px;
}
.servicios-list li.is-extra{
  display:none;
}
.servicios-list.is-expanded li.is-extra{display:block;}

.btn-expand{
  grid-column:2;
  margin-top:28px;display:inline-flex;align-items:center;gap:10px;
  font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--ink);padding-bottom:4px;
}
.btn-expand svg{width:15px;height:15px;transition:transform .4s var(--ease);}
.btn-expand.is-open svg{transform:rotate(180deg);}

/* ==========================================================================
   POR QUÉ ELEGIRNOS
   ========================================================================== */
.porque{
  position:relative;background:var(--navy-950);color:#fff;
  overflow:hidden;
}
.porque-media{position:absolute;inset:0;}
.porque-media img{width:100%;height:100%;object-fit:cover;opacity:0.28;filter:grayscale(0.3);}
.porque-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(12,32,50,.75), rgba(12,32,50,.94) 60%, var(--navy-950));}
.porque .container{position:relative;z-index:2;}

.porque-list{border-top:1px solid var(--border-light);margin-top:10px;}
.porque-row{
  display:grid;grid-template-columns:70px 1fr;gap:24px;
  padding:30px 0;border-bottom:1px solid var(--border-light);
  align-items:baseline;
}
.porque-num{font-family:var(--font-display);font-style:italic;font-size:26px;color:var(--teal-400);}
.porque-row p{font-size:clamp(16px,1.8vw,20px);font-family:var(--font-display);line-height:1.5;margin:0;max-width:800px;}

/* ==========================================================================
   CONTACTO
   ========================================================================== */
.contacto{
  background:var(--navy-950);color:#fff;padding:0;
  overflow:hidden;
}
.contacto-grid{
  min-height:560px;
  display:flex;
}
.contacto-info{
  padding:clamp(70px,10vw,140px) var(--gutter);
  display:flex;flex-direction:column;justify-content:center;
  position:relative;z-index:2;
  max-width:820px;
}
.contacto-info .lead{margin:22px 0 44px;}
.contacto-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:56px;}
.contacto-address{
  display:flex;gap:14px;align-items:flex-start;
  padding-top:34px;border-top:1px solid var(--border-light);
  max-width:640px;
}
.contacto-address address{color:var(--muted-light);font-size:14.5px;line-height:1.7;margin-bottom:10px;}
.contacto-address .ring-dot{margin-top:6px;}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{background:var(--ink);color:var(--cream);padding-top:70px;}
.footer-top{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;
  padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{
  font-family:var(--font-display);font-size:clamp(56px,10vw,140px);line-height:0.8;
  color:#fff;letter-spacing:-.02em;
}
.footer-statement{max-width:320px;color:rgba(246,243,236,.6);font-size:14.5px;line-height:1.6;}

.footer-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,220px));gap:30px;
  padding:50px 0;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-heading{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:rgba(246,243,236,.45);margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col li{font-size:14.5px;color:rgba(246,243,236,.85);}
.footer-col a:hover{color:var(--teal-400);}

.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding:26px 0;font-size:13px;color:rgba(246,243,236,.45);gap:20px;flex-wrap:wrap;
}
.back-to-top{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;color:#fff;
  transition:background .3s, transform .3s;
}
.back-to-top:hover{background:var(--teal-500);transform:translateY(-3px);}
.back-to-top svg{width:16px;height:16px;}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:1024px){
  .nosotros-grid{grid-template-columns:1fr;}
  .nosotros-media{order:-1;max-width:420px;}
  .servicios-panel{grid-template-columns:1fr;}
  .panel-media{position:relative;top:0;max-width:340px;margin-bottom:20px;}
  .btn-expand{grid-column:1;}
  .valores-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(3,1fr);}
}

@media (max-width:860px){
  .main-nav, .header-cta{display:none;}
  .menu-toggle{display:flex;}
  .hero-tag{display:none;}
  .pillars{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .servicios-tabs{flex-direction:column;gap:0;}
  .tab-btn{width:100%;padding:16px 0;border-bottom:1px solid var(--border);}
  .tab-btn.is-active{color:var(--ink);border-bottom-color:var(--ink);}
  .tab-underline{display:none;}
}

@media (max-width:560px){
  .section{padding:64px 0;}
  .contacto-info{padding-top:64px;padding-bottom:64px;}
  .hero-copy{padding-bottom:14vh;}
  .hero-bottom{align-items:stretch;}
  .hero-nav{justify-content:space-between;width:100%;}
  .hero-progress{display:block;flex:1;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-top{flex-direction:column;align-items:flex-start;}
}

/* magnetic buttons need inline transform from JS; keep transition smooth */
.magnetic{will-change:transform;}