/* ==========================================================
   Grupo Alto Norte — estilos compartidos
   Referencia: transelec.cl (corporativo claro, héroe aéreo a sangre,
   cifras grandes). Paleta: logo del cliente (azul noche + cobre).
   ========================================================== */
:root{
  --ink:#0F2340;          /* azul noche del logo */
  --ink-2:#0B1A30;
  --navy-mid:#16304F;
  --accent:#C8743A;       /* cobre del logo */
  --accent-dk:#B0592A;    /* botones: blanco legible encima */
  --accent-hi:#E39A63;    /* acento sobre fondo oscuro */
  --sand:#F5F0E8;
  --base:#FFFFFF;
  --alt:#F4F2EE;
  --text:#2A3647;
  --muted:#5D6B7E;
  --line:#E2E5EA;
  --line-dk:rgba(255,255,255,.14);
  --radius:6px;
  --radius-lg:12px;
  --shadow:0 18px 40px -22px rgba(15,35,64,.35);
  --shadow-sm:0 6px 18px -10px rgba(15,35,64,.25);
  --container:1250px;
  --gap:clamp(20px,3vw,32px);
  --f-title:'Outfit',system-ui,sans-serif;
  --f-body:'Red Hat Text',system-ui,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--base);color:var(--text);font-family:var(--f-body);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5{font-family:var(--f-title);color:var(--ink);margin:0;line-height:1.12;font-weight:600;letter-spacing:-.01em;text-wrap:balance}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* Texto claro sobre fondo oscuro o imagen (títulos incluidos: el reset de h1-h5 los pisa) */
.hero,.page-hero,.cta,.section--dark{color:rgba(255,255,255,.86)}
.hero h1,.hero h2,.hero h3,.hero h4,
.page-hero h1,.page-hero h2,.page-hero h3,.page-hero h4,
.cta h1,.cta h2,.cta h3,.cta h4,
.section--dark h1,.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px}

/* ---------- Tipografía utilitaria ---------- */
.eyebrow{display:block;font-family:var(--f-title);font-size:.8rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.hero .eyebrow,.page-hero .eyebrow,.cta .eyebrow,.section--dark .eyebrow{color:var(--accent-hi)}
.h2{font-size:clamp(1.8rem,3.2vw,2.6rem)}
.h3{font-size:clamp(1.25rem,1.8vw,1.5rem)}
.lead{font-size:clamp(1.05rem,1.4vw,1.2rem);color:var(--muted);max-width:62ch}
.section--dark .lead,.cta .lead{color:rgba(255,255,255,.8)}
.sec-head{max-width:760px;margin-bottom:clamp(36px,5vw,56px)}
.sec-head .lead{margin-top:16px}
.sec-head--center{margin-inline:auto;text-align:center}
.sec-head--center .lead{margin-inline:auto}
.note{font-size:.84rem;color:var(--muted);margin-top:28px;max-width:80ch;padding-left:14px;border-left:2px solid var(--line)}
.section--dark .note{color:rgba(255,255,255,.62);border-color:rgba(255,255,255,.2)}
.text-accent{color:var(--accent)}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--f-title);font-weight:500;font-size:.98rem;padding:13px 24px;border-radius:var(--radius);border:1.5px solid transparent;cursor:pointer;transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease)}
.btn--primary{background:var(--accent-dk);color:#fff}
.btn--primary:hover{background:#984A20;transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:rgba(15,35,64,.3)}
.btn--ghost:hover{border-color:var(--ink);background:rgba(15,35,64,.04)}
.hero .btn--ghost,.cta .btn--ghost,.section--dark .btn--ghost,.page-hero .btn--ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.hero .btn--ghost:hover,.cta .btn--ghost:hover,.section--dark .btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn svg{width:18px;height:18px;flex:none}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-title);font-weight:500;color:var(--accent-dk);transition:gap .25s var(--ease)}
.link-arrow svg{width:16px;height:16px}
.link-arrow:hover{gap:12px}

/* ---------- Barra superior (como la doble barra de Transelec) ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.78);font-size:.84rem;border-top:3px solid var(--accent)}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:40px}
.topbar__tag{font-family:var(--f-title);letter-spacing:.08em;text-transform:uppercase;font-size:.74rem;color:rgba(255,255,255,.62)}
.topbar__links{display:flex;gap:26px}
.topbar__links a{display:inline-flex;align-items:center;gap:8px;transition:color .2s var(--ease)}
.topbar__links a:hover{color:#fff}
.topbar__links svg{width:15px;height:15px;flex:none;color:var(--accent-hi)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .3s var(--ease)}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(15,35,64,.4)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:84px;transition:min-height .3s var(--ease)}
.site-header.is-scrolled .container{min-height:70px}
.brand img{height:55px;width:auto}
.nav{display:flex;align-items:center;gap:clamp(18px,2.6vw,38px)}
.nav__list{display:flex;align-items:center;gap:clamp(18px,2.6vw,38px)}
.nav__list a{position:relative;font-family:var(--f-title);font-weight:500;font-size:1rem;color:var(--ink);padding:6px 0}
.nav__list a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav__list a:hover::after,.nav__list a.is-active::after{transform:scaleX(1)}
.nav__list a.is-active{color:var(--accent-dk)}
.nav__cta{padding:11px 20px}
.nav__cta--mobile{display:none}
.burger{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;position:relative}
.burger span{position:absolute;left:11px;right:11px;height:2px;background:var(--ink);transition:transform .3s var(--ease),opacity .3s}
.burger span:nth-child(1){top:15px}.burger span:nth-child(2){top:21px}.burger span:nth-child(3){top:27px}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-backdrop{position:fixed;inset:0;z-index:70;background:rgba(11,26,48,.55);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s}
.nav-backdrop.is-open{opacity:1;visibility:visible}

/* ---------- Hero (home) ---------- */
.hero{position:relative;isolation:isolate;min-height:min(80vh,760px);display:flex;align-items:center;overflow:hidden;background:var(--ink)}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center 60%}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(11,26,48,.78) 0%,rgba(11,26,48,.55) 45%,rgba(11,26,48,.12) 100%)}
.hero .container{padding-block:clamp(80px,10vw,130px)}
.hero__content{max-width:640px}
.hero .eyebrow{margin-bottom:7px}
.hero h1{font-size:clamp(2.3rem,5vw,4rem);font-weight:600;margin-top:15px;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--accent-hi)}
.hero p.lead{margin-top:22px;color:rgba(255,255,255,.86)}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

/* ---------- Cabecera interior ---------- */
.page-hero{position:relative;isolation:isolate;overflow:hidden;background:var(--ink);min-height:clamp(300px,40vw,420px);display:flex;align-items:flex-end}
.page-hero__bg{position:absolute;inset:0;z-index:-2}
.page-hero__bg img{width:100%;height:100%;object-fit:cover}
.page-hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(11,26,48,.78) 0%,rgba(11,26,48,.55) 55%,rgba(11,26,48,.45) 100%)}
.page-hero .container{padding-block:clamp(56px,7vw,80px)}
.page-hero .eyebrow{margin-bottom:7px}
.page-hero h1{font-size:clamp(2.1rem,4.4vw,3.4rem);margin-top:15px;max-width:20ch}
.page-hero p{margin-top:16px;max-width:60ch;color:rgba(255,255,255,.84);font-size:1.08rem}

/* ---------- Secciones ---------- */
.section{padding-block:clamp(72px,9vw,120px)}
.section--alt{background:var(--alt)}
.section--dark{position:relative;isolation:isolate;background:var(--ink);overflow:hidden}
.section--dark .section__bg{position:absolute;inset:0;z-index:-2}
.section--dark .section__bg img{width:100%;height:100%;object-fit:cover}
.section--dark::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(11,26,48,.78) 0%,rgba(11,26,48,.72) 100%)}
.section--plano::after{display:none}

/* ---------- Líneas de negocio (tarjetas tipo Transelec) ---------- */
.lines{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.line-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.line-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.line-card__media{aspect-ratio:4/3;overflow:hidden}
.line-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.line-card:hover .line-card__media img{transform:scale(1.05)}
.line-card__body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.line-card__tag{font-family:var(--f-title);font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.line-card h3{font-size:1.25rem}
.line-card p{color:var(--muted);font-size:.96rem}
.line-card .link-arrow{margin-top:auto;padding-top:8px}

/* ---------- Dos columnas ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(36px,6vw,80px);align-items:center}
.split--rev .split__media{order:2}
.split__media{position:relative}
.split__media img{width:100%;border-radius:var(--radius-lg);object-fit:cover;aspect-ratio:5/4}
.split__media--tall img{aspect-ratio:4/5}
.split__text .h2{margin-bottom:20px}
.split__text p+p{margin-top:16px}
.split__text .btn,.split__text .link-arrow{margin-top:30px}

.checklist{display:grid;gap:14px;margin-top:26px}
.checklist li{display:grid;grid-template-columns:24px 1fr;gap:12px;align-items:start}
.checklist svg{width:22px;height:22px;color:var(--accent);margin-top:2px}
.checklist strong{color:var(--ink);font-weight:600}

/* ---------- Cifras grandes (como «10.743 km» de Transelec) ---------- */
.figures{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line-dk)}
.figure{padding:34px 28px 8px 0;border-right:1px solid var(--line-dk);margin-right:28px}
.figure:last-child{border-right:0;margin-right:0}
.figure__num{font-family:var(--f-title);font-weight:300;font-size:clamp(3rem,6vw,5.2rem);line-height:1;color:#fff;letter-spacing:-.03em;display:flex;align-items:baseline;gap:6px}
.figure__num small{font-size:.38em;font-weight:500;letter-spacing:0;color:var(--accent-hi)}
.figure--accent .figure__num{color:var(--accent-hi)}
.figure p{margin-top:14px;font-size:.98rem;color:rgba(255,255,255,.78);max-width:26ch}

/* ---------- Presencia / proyectos ---------- */
.areas{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.area{border-top:3px solid var(--ink);padding-top:24px}
.area:nth-child(2){border-color:var(--accent)}
.area h3{font-size:1.35rem;display:flex;align-items:center;gap:12px;margin-bottom:18px}
.area h3 svg{width:28px;height:28px;color:var(--accent);flex:none}
.area li{padding:12px 0;border-bottom:1px solid var(--line);font-size:.98rem;color:var(--text)}
.area li:last-child{border-bottom:0}
.section--dark .area{border-color:rgba(255,255,255,.4)}
.section--dark .area:nth-child(2){border-color:var(--accent-hi)}
.section--dark .area li{border-color:var(--line-dk);color:rgba(255,255,255,.84)}

/* ---------- Valores (SCMA) ---------- */
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.value{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 26px;transition:border-color .3s var(--ease),transform .3s var(--ease)}
.value:hover{border-color:var(--accent);transform:translateY(-3px)}
.section--alt .value{border-color:transparent;box-shadow:var(--shadow-sm)}
.value__icon{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:rgba(200,116,58,.12);color:var(--accent-dk);margin-bottom:20px}
.value__icon svg{width:26px;height:26px}
.value h3{font-size:1.2rem;margin-bottom:10px}
.value p{color:var(--muted);font-size:.96rem}

/* ---------- Misión / visión ---------- */
.mv{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px)}
.mv__item{border-left:3px solid var(--accent-hi);padding:6px 0 6px 28px}
.mv__item h2{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:14px}
.mv__item p{font-size:clamp(1.05rem,1.4vw,1.2rem);color:rgba(255,255,255,.86)}

/* ---------- Propuesta de valor ---------- */
.value-prop{display:grid;grid-template-columns:1.25fr 1fr;gap:var(--gap)}
.vp-core{background:var(--ink);color:rgba(255,255,255,.84);border-radius:var(--radius-lg);padding:clamp(28px,4vw,44px);position:relative;overflow:hidden}
.vp-core h3{color:#fff;font-size:clamp(1.5rem,2.2vw,1.9rem);margin:4px 0 12px}
.vp-core .eyebrow{color:var(--accent-hi)}
.vp-core ul{margin-top:22px;display:grid;gap:14px}
.vp-core li{display:grid;grid-template-columns:22px 1fr;gap:12px}
.vp-core li svg{width:20px;height:20px;color:var(--accent-hi);margin-top:3px}
.vp-core li strong{color:#fff;font-weight:600}
.vp-side{display:grid;gap:var(--gap)}
.vp-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 30px 32px}
.vp-card h3{font-size:1.35rem;margin:2px 0 10px}
.vp-card p{color:var(--muted)}
.vp-foot{margin-top:28px;font-family:var(--f-title);font-size:1.15rem;color:var(--ink)}
.vp-foot strong{color:var(--accent-dk);font-weight:600}

/* ---------- Pasos / método ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:s;border-top:1px solid var(--line)}
.step{padding:28px 22px 6px 0;position:relative}
.step::before{content:"";position:absolute;top:-1px;left:0;width:44px;height:3px;background:var(--accent)}
.step__n{font-family:var(--f-title);font-size:.86rem;font-weight:600;letter-spacing:.12em;color:var(--accent)}
.step h3{font-size:1.2rem;margin:10px 0 8px}
.step p{color:var(--muted);font-size:.95rem}
.section--dark .steps{border-color:var(--line-dk)}
.section--dark .step p{color:rgba(255,255,255,.74)}
.section--dark .step__n{color:var(--accent-hi)}
.section--dark .step::before{background:var(--accent-hi)}
.callout{margin-top:44px;display:flex;align-items:center;gap:16px;background:var(--alt);border-radius:var(--radius);padding:20px 24px;font-family:var(--f-title);font-size:1.08rem;color:var(--ink)}
.callout svg{width:26px;height:26px;color:var(--accent);flex:none}

/* ---------- FAT / SAT ---------- */
.tests{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);margin-top:48px}
.test{border:1px solid var(--line-dk);border-radius:var(--radius-lg);padding:28px 30px;background:rgba(11,26,48,.45);backdrop-filter:blur(2px)}
.test__code{font-family:var(--f-title);font-size:2.2rem;font-weight:600;color:var(--accent-hi);line-height:1}
.test h3{font-size:1.15rem;margin:10px 0 8px}
.test p{color:rgba(255,255,255,.78);font-size:.98rem}

/* ---------- Lista numerada ---------- */
.numlist{display:grid;gap:0;margin-top:26px;border-top:1px solid var(--line)}
.numlist li{display:grid;grid-template-columns:48px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);align-items:baseline}
.numlist b{font-family:var(--f-title);font-weight:600;color:var(--accent);font-size:.95rem;letter-spacing:.06em}
.numlist strong{display:block;color:var(--ink);font-family:var(--f-title);font-weight:600;font-size:1.05rem}
.numlist span{color:var(--muted);font-size:.96rem}

/* ---------- Equipo ---------- */
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.member{border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 26px;background:#fff;display:flex;flex-direction:column;gap:10px}
.member__icon{width:48px;height:48px;border-radius:var(--radius);background:var(--ink);color:var(--accent-hi);display:grid;place-items:center;margin-bottom:8px}
.member__icon svg{width:24px;height:24px}
.member h3{font-size:1.2rem}
.member__deg{font-size:.92rem;color:var(--ink);font-weight:500}
.member__uni{font-size:.84rem;color:var(--accent-dk);font-weight:500}
.member p{color:var(--muted);font-size:.94rem}

/* ---------- Galería ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:240px;gap:14px}
.gallery figure{margin:0;position:relative;overflow:hidden;border-radius:var(--radius)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 16px 14px;background:linear-gradient(0deg,rgba(11,26,48,.82),transparent);color:#fff;font-family:var(--f-title);font-size:.92rem;font-weight:500}
.gallery .g-tall{grid-row:span 2}
.gallery .g-wide{grid-column:span 2}

/* ---------- Mandantes ---------- */
.clients{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.client{padding:30px 24px;border-left:1px solid var(--line)}
.client:first-child{border-left:0;padding-left:0}
.client strong{display:block;font-family:var(--f-title);font-size:1.6rem;font-weight:600;color:var(--ink);letter-spacing:.01em}
.client span{display:block;margin-top:6px;font-size:.92rem;color:var(--muted)}

/* ---------- CTA ---------- */
.cta{position:relative;isolation:isolate;overflow:hidden;background:var(--ink);padding-block:clamp(80px,10vw,130px)}
.cta__bg{position:absolute;inset:0;z-index:-2}
.cta__bg img{width:100%;height:100%;object-fit:cover}
.cta::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(11,26,48,.78) 0%,rgba(11,26,48,.7) 100%)}
.cta__inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta h2{font-size:clamp(1.9rem,3.6vw,2.9rem);max-width:20ch;margin-top:15px}
.cta .eyebrow{margin-bottom:7px}
.cta__actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Contacto ---------- */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(36px,6vw,80px);align-items:start}
.contact__info .h2{margin-bottom:16px}
.contact-list{display:grid;gap:0;margin-top:30px;border-top:1px solid var(--line)}
.contact-list li{padding:20px 0;border-bottom:1px solid var(--line)}
.contact-list .label{display:block;font-family:var(--f-title);font-size:.74rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.ci{display:inline-flex;align-items:center;gap:12px;color:var(--ink);font-family:var(--f-title);font-weight:500;font-size:1.15rem;transition:color .2s var(--ease)}
a.ci:hover{color:var(--accent-dk)}
.ci svg{width:20px;height:20px;flex:none;color:var(--accent)}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(26px,4vw,42px);box-shadow:var(--shadow-sm)}
.form h3{font-size:1.4rem;margin-bottom:22px}
.form__grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field--full{grid-column:1/-1}
.field label{font-family:var(--f-title);font-size:.88rem;font-weight:500;color:var(--ink)}
.field input,.field textarea{font:inherit;font-size:1rem;color:var(--ink);background:var(--alt);border:1px solid transparent;border-radius:var(--radius);padding:13px 15px;transition:border-color .2s var(--ease),background .2s var(--ease)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:#fff}
.field textarea{min-height:150px;resize:vertical}
.form .btn{margin-top:24px}
.form-alert{display:none;padding:14px 18px;border-radius:var(--radius);margin-bottom:22px;font-size:.96rem;font-weight:500}
.form-alert.is-ok{display:block;background:#E7F4EA;color:#1E6A33;border:1px solid #BFE0C8}
.form-alert.is-err{display:block;background:#FBEAEA;color:#9B2C2C;border:1px solid #F1C6C6}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-2);color:rgba(255,255,255,.7);padding-block:clamp(52px,6vw,74px) 30px;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:clamp(28px,4vw,56px)}
.footer-brand img{height:58px;width:auto;margin-bottom:20px}
.footer-brand p{max-width:34ch}
.site-footer h4{color:#fff;font-size:.82rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;margin-bottom:18px}
.footer-links{display:grid;gap:10px}
.footer-links a{transition:color .2s var(--ease)}
.footer-links a:hover{color:#fff}
.footer-contact{display:grid;gap:14px}
.footer-contact a,.footer-contact span{display:inline-flex;align-items:center;gap:10px;transition:color .2s var(--ease)}
.footer-contact a:hover{color:#fff}
.footer-contact svg{width:18px;height:18px;flex:none;color:var(--accent-hi)}
.footer-credit{margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);text-align:center;font-size:.8rem;color:rgba(255,255,255,.6)}
.footer-credit a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
.footer-credit a:hover{color:rgba(255,255,255,.92)}

/* ---------- Animaciones de entrada ---------- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease);animation:reveal-failsafe 0s linear 3s forwards}
.reveal.is-visible{opacity:1;transform:none;animation:none}
@keyframes reveal-failsafe{to{opacity:1;transform:none}}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  *:not(.reveal){animation:none!important;transition:none!important}
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .lines,.values,.team{grid-template-columns:repeat(2,1fr)}
  .figures{grid-template-columns:repeat(2,1fr)}
  .figure:nth-child(2){border-right:0;margin-right:0}
  .steps{grid-template-columns:repeat(3,1fr);row-gap:10px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .clients{grid-template-columns:repeat(2,1fr)}
  .client:nth-child(3){border-left:0;padding-left:0}
  .client:nth-child(n+3){border-top:1px solid var(--line)}
  .value-prop{grid-template-columns:1fr}
}
@media (max-width:880px){
  .topbar__tag{display:none}
  .topbar .container{justify-content:center}
  .burger{display:block;z-index:2}
  .nav{position:fixed;top:0;right:0;bottom:0;width:min(84vw,360px);background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:96px 28px 32px;transform:translateX(100%);transition:transform .4s var(--ease);box-shadow:-20px 0 40px -20px rgba(11,26,48,.4);overflow-y:auto}
  .nav.is-open{transform:none}
  .nav__list{flex-direction:column;align-items:stretch;gap:0}
  .nav__list a{display:block;padding:16px 0;border-bottom:1px solid var(--line);font-size:1.1rem}
  .nav__list a::after{display:none}
  .nav__cta--desktop{display:none}
  .nav__cta--mobile{display:inline-flex;margin-top:28px}
  .split,.contact,.mv{grid-template-columns:1fr}
  .split--rev .split__media{order:0}
    .areas{grid-template-columns:1fr}
  .tests{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .hero::after{background:linear-gradient(90deg,rgba(11,26,48,.78) 0%,rgba(11,26,48,.6) 100%)}
}
@media (max-width:560px){
  body{font-size:16px}
  .container{padding-inline:20px}
  .topbar__links{gap:18px;font-size:.8rem}
  .topbar__links .tb-mail span{display:none}
  .brand img{height:46px}
  .site-header .container{min-height:72px}
  .lines,.values,.team,.figures,.steps,.footer-grid,.clients{grid-template-columns:1fr}
  .figure{border-right:0;margin-right:0;border-bottom:1px solid var(--line-dk);padding:26px 0}
  .figure:last-child{border-bottom:0}
  .client{border-left:0;padding-left:0;border-top:1px solid var(--line)}
  .client:first-child{border-top:0}
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:170px}
  .gallery .g-wide{grid-column:span 2}
  .form__grid{grid-template-columns:1fr}
  .hero__actions .btn,.cta__actions .btn{flex:1 1 100%}
}