/* Excavaciones y Movimientos de Tierra Francisco Giraldo Pérez — sistema visual propio */
:root{
  --ink:#1A1815;
  --ink-deep:#100E0C;
  --paper:#F4EFE6;
  --paper-alt:#EAE0CE;
  --stone:#6B6055;
  --ochre:#C46A2A;
  --ochre-deep:#8C4A18;
  --safety:#F2A900;
  --cream:#FBF7EF;
  --line:rgba(26,24,21,.14);
  --line-light:rgba(251,247,239,.2);
  --shadow-sm:0 1px 2px rgba(0,0,0,.08),0 6px 16px rgba(0,0,0,.08);
  --shadow-md:0 10px 34px rgba(0,0,0,.18);
  --r:4px; --r-sm:2px;
  --container:1240px;
  --pad-x:clamp(20px,4vw,40px);
  --header-h:104px;
  --t-head:'Oswald','Arial Narrow',sans-serif;
  --t-sans:'Work Sans','Helvetica Neue','Arial',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{font-size:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.6 var(--t-sans);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
img,picture,video,svg{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration-color:rgba(26,24,21,.3);text-underline-offset:.18em}
a:hover{text-decoration-color:currentColor}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;padding:0}
h1,h2,h3,h4{font-family:var(--t-head);font-weight:600;text-transform:uppercase;letter-spacing:.01em;margin:0 0 .5em;line-height:1.05}
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--pad-x)}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--cream);padding:.6rem 1rem;border-radius:0 0 var(--r-sm) 0;z-index:99}
.skip-link:focus{left:0}
.stripe{height:6px;background:repeating-linear-gradient(-45deg,var(--ochre) 0 14px,var(--ink) 14px 28px);background-size:200% 100%}

/* header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;background:transparent;color:var(--cream);transition:background .25s ease,box-shadow .25s ease}
.site-header.is-scrolled,.site-header[data-open]{background:var(--ink);box-shadow:0 2px 20px rgba(0,0,0,.25)}
.site-header__inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:clamp(16px,3vw,32px);padding-block:12px;min-height:var(--header-h)}
.brand{display:inline-flex;align-items:center;text-decoration:none}
.brand__logo{height:88px;width:auto}
.nav{display:none}
.nav__list{display:flex;gap:clamp(14px,2vw,30px);list-style:none;margin:0;padding:0}
.nav__link{display:inline-flex;align-items:center;font-family:var(--t-head);font-size:.92rem;font-weight:500;text-transform:uppercase;letter-spacing:.04em;text-decoration:none;color:inherit;position:relative;padding:8px 2px}
.nav__link::after{content:"";position:absolute;left:2px;right:2px;bottom:2px;height:2px;background:var(--ochre);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.nav__caret{display:inline-block;margin-left:7px;width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-2px) rotate(45deg)}
.nav__item--has-dropdown{position:relative}
.nav__dropdown{display:none;position:absolute;top:100%;left:-16px;min-width:280px;margin:0;padding:10px 0;list-style:none;background:var(--ink);border-top:2px solid var(--ochre);box-shadow:var(--shadow-md)}
.nav__item--has-dropdown:hover .nav__dropdown,.nav__item--has-dropdown:focus-within .nav__dropdown{display:block}
.nav__dropdown a{display:block;padding:10px 22px;color:var(--cream);font-family:var(--t-head);font-size:.86rem;text-transform:uppercase;letter-spacing:.02em;text-decoration:none}
.nav__dropdown a:hover{background:rgba(251,247,239,.06);color:var(--safety)}
.site-header[data-open] .nav__dropdown{position:static;display:block;background:transparent;box-shadow:none;border-top:0;padding:0 0 0 18px}
.site-header[data-open] .nav__dropdown a{padding:12px 0;border-bottom:0;font-size:1rem;color:rgba(251,247,239,.75)}
.topbar-end{display:flex;align-items:center;gap:12px;justify-self:end}
.phone-pill{display:none;align-items:center;gap:8px;background:var(--ochre);color:var(--cream);padding:10px 18px;border-radius:2px;text-decoration:none;font-family:var(--t-head);font-weight:600;text-transform:uppercase;letter-spacing:.03em;font-size:.86rem}
.phone-pill:hover{background:var(--ochre-deep)}
.menu-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:2px;border:1px solid var(--line-light)}
.menu-toggle__line{display:block;width:20px;height:2px;background:currentColor;margin-inline:auto}
@media (min-width:960px){.nav{display:flex;justify-content:center}.phone-pill{display:inline-flex}.menu-toggle{display:none}}
.site-header[data-open] .nav{display:block;position:fixed;inset:var(--header-h) 0 0 0;background:var(--ink);padding:24px var(--pad-x) 40px;overflow:auto}
.site-header[data-open] .nav__list{flex-direction:column;gap:0;border-top:1px solid var(--line-light)}
.site-header[data-open] .nav__link{padding:20px 0;border-bottom:1px solid var(--line-light);font-size:1.3rem}

/* hero */
.hero{position:relative;color:var(--cream);overflow:hidden;isolation:isolate;background:var(--ink-deep)}
.hero__media-wrap{position:absolute;inset:0;z-index:0}
.hero__media,.hero__media img{width:100%;height:100%;object-fit:cover}
.hero__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,14,12,.72) 0%,rgba(16,14,12,.45) 42%,rgba(16,14,12,.92) 100%)}
.hero__content{position:relative;z-index:1;padding-block:calc(var(--header-h) + 28px) clamp(48px,7vw,72px);max-width:1080px}
.hero__eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 1.2rem;font-family:var(--t-head);font-size:.82rem;letter-spacing:.2em;text-transform:uppercase;color:var(--safety);padding:.4em .9em;border:1px solid rgba(242,169,0,.5)}
.hero__title{font-size:clamp(2.8rem,7.5vw,5.6rem);line-height:1.05;letter-spacing:.005em;margin:0 0 1.3rem;max-width:none}
.hero__title br{display:block}
.hero__lede{font-family:var(--t-sans);font-size:clamp(1.05rem,1.4vw,1.24rem);line-height:1.6;color:rgba(251,247,239,.88);margin:0 0 2rem;max-width:60ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:clamp(40px,6vw,64px)}
.hero__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line-light);list-style:none;margin:0;padding:0}
.hero__stats li{padding:1.4rem 1.2rem 1.6rem 0;border-right:1px solid var(--line-light)}
.hero__stats li:last-child{border-right:0}
.hero__stats strong{display:block;font-family:var(--t-head);font-size:clamp(1.6rem,2.6vw,2.3rem);color:var(--safety);line-height:1}
.hero__stats span{display:block;margin-top:.4rem;font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(251,247,239,.72)}
@media (max-width:720px){.hero__stats{grid-template-columns:repeat(2,1fr)}.hero__stats li{border-bottom:1px solid var(--line-light);padding-block:1.1rem}}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:15px 28px;border-radius:2px;font-family:var(--t-head);font-weight:600;text-transform:uppercase;letter-spacing:.03em;font-size:.92rem;text-decoration:none;cursor:pointer;border:1.5px solid transparent;transition:transform .15s ease,background .25s ease,color .25s ease,border-color .25s ease}
.btn--primary{background:var(--ochre);color:var(--cream)}
.btn--primary:hover{background:var(--ochre-deep);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--ochre);color:var(--ochre-deep)}
.hero .btn--ghost,.cta-band .btn--ghost,.section--ink .btn--ghost,.page-head .btn--ghost{background:rgba(16,14,12,.5);color:var(--cream);border-color:rgba(251,247,239,.6)}
.hero .btn--ghost:hover,.cta-band .btn--ghost:hover,.section--ink .btn--ghost:hover,.page-head .btn--ghost:hover{background:rgba(16,14,12,.78);border-color:var(--safety);color:var(--safety)}

.eyebrow{display:inline-flex;align-items:center;gap:.6em;font-family:var(--t-head);font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ochre-deep);margin:0 0 .9rem;font-weight:600}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--ochre)}
.section{padding-block:clamp(64px,9vw,120px)}
.section--alt{background:var(--paper-alt)}
.section--ink{background:var(--ink);color:var(--cream)}
.section__head{margin-bottom:clamp(32px,4vw,56px);max-width:68ch}
.section__head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;max-width:none}
.section__title{font-size:clamp(1.9rem,4vw,3rem);line-height:1.04;margin:0 0 .4em;max-width:22ch}
.section__title--inv{color:var(--cream)}
.section__lede{font-family:var(--t-sans);font-size:clamp(1rem,1.2vw,1.08rem);color:var(--stone);margin:0;max-width:62ch;text-transform:none;letter-spacing:0}
.section--ink .section__lede{color:rgba(251,247,239,.75)}

/* services grid */
.svc-grid{display:grid;grid-template-columns:1fr;gap:clamp(18px,2.4vw,26px)}
@media (min-width:680px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.svc-grid{grid-template-columns:repeat(3,1fr)}.svc-grid>a:first-child{grid-column:span 2;grid-row:span 2}.svc-grid>a:first-child .svc-card__media{aspect-ratio:auto;height:100%}}
.svc-card{position:relative;display:block;border-radius:var(--r);overflow:hidden;text-decoration:none;color:var(--cream);background:var(--ink);box-shadow:var(--shadow-sm);transition:transform .35s,box-shadow .35s;min-height:230px}
.svc-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.svc-card__media{position:absolute;inset:0;aspect-ratio:4/3}
.svc-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.svc-card:hover .svc-card__media img{transform:scale(1.05)}
.svc-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,14,12,0) 30%,rgba(16,14,12,.88) 100%)}
.svc-card__body{position:relative;z-index:1;display:flex;flex-direction:column;justify-content:flex-end;height:100%;min-height:230px;padding:22px 22px 24px}
.svc-card__num{font-family:var(--t-head);color:var(--safety);font-size:.85rem;letter-spacing:.1em;margin-bottom:.4rem}
.svc-card__title{font-size:1.28rem;margin:0 0 .35rem;max-width:22ch}
.svc-card__copy{font-family:var(--t-sans);font-size:.9rem;line-height:1.5;color:rgba(251,247,239,.82);max-width:34ch;margin:0}
.svc-card__arrow{position:absolute;top:20px;right:20px;width:36px;height:36px;border-radius:50%;border:1px solid rgba(251,247,239,.5);display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:background .25s,border-color .25s}
.svc-card:hover .svc-card__arrow{background:var(--ochre);border-color:var(--ochre)}

/* values */
.values{display:grid;grid-template-columns:1fr;gap:clamp(18px,2.4vw,28px)}
@media (min-width:780px){.values{grid-template-columns:repeat(3,1fr)}}
@media (min-width:560px) and (max-width:779px){.values--4{grid-template-columns:repeat(2,1fr)}}
@media (min-width:780px){.values--4{grid-template-columns:repeat(4,1fr)}}
.value-card{background:var(--cream);border:1px solid var(--line);border-radius:var(--r);padding:clamp(26px,3vw,34px)}
.value-card__num{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;background:var(--ink);color:var(--safety);font-family:var(--t-head);font-size:1.1rem;margin-bottom:1.2rem}
.value-card h3{font-size:1.25rem;margin-bottom:.55rem}
.value-card p{font-family:var(--t-sans);color:var(--stone);margin:0;line-height:1.6}

/* story */
.story{display:grid;grid-template-columns:1fr;gap:clamp(28px,5vw,72px);align-items:center}
@media (min-width:900px){.story{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr)}}
.story__copy p{color:var(--stone);max-width:56ch;margin-block:1.1rem;line-height:1.7}
.story__media{position:relative;border-radius:var(--r);overflow:hidden}
.story__media img{display:block;width:100%}
.story__badge{position:absolute;left:0;bottom:0;background:var(--ochre);color:var(--cream);padding:16px 22px;font-family:var(--t-head)}
.story__badge strong{display:block;font-size:1.9rem;line-height:1}
.story__badge span{display:block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;margin-top:.2rem}

/* cta band */
.cta-band{background:var(--ink);color:var(--cream);position:relative;overflow:hidden}
.cta-band__inner{position:relative;z-index:1;padding-block:clamp(56px,8vw,90px);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{margin:0;max-width:20ch;font-size:clamp(1.7rem,3.4vw,2.6rem)}
.cta-band .btn-row{display:flex;gap:12px;flex-wrap:wrap}

/* contact */
.contact-wrap{display:grid;grid-template-columns:1fr;gap:clamp(30px,4vw,64px)}
@media (min-width:900px){.contact-wrap{grid-template-columns:1fr 1fr}}
.contact-info address{font-style:normal;line-height:1.9;color:rgba(251,247,239,.88)}
.contact-info__item{display:flex;gap:14px;margin-bottom:1.4rem;align-items:flex-start}
.contact-info__icon{flex:none;width:38px;height:38px;border:1px solid rgba(251,247,239,.35);border-radius:50%;display:flex;align-items:center;justify-content:center}
.form{background:rgba(251,247,239,.05);border:1px solid rgba(251,247,239,.18);border-radius:var(--r);padding:clamp(24px,3vw,32px);display:grid;gap:16px}
.form__row{display:grid;gap:16px}
@media (min-width:520px){.form__row--2{grid-template-columns:1fr 1fr}}
.form__field{display:grid;gap:6px}
.form__field span{font-family:var(--t-head);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--safety)}
.form input,.form textarea,.form select{width:100%;background:rgba(251,247,239,.06);border:1px solid rgba(251,247,239,.25);border-radius:2px;padding:12px 12px;color:var(--cream);font:inherit}
.form textarea{resize:vertical;min-height:110px}
.form input::placeholder,.form textarea::placeholder{color:rgba(251,247,239,.4)}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--safety)}
.form small{color:rgba(251,247,239,.6);font-family:var(--t-sans);font-size:.8rem}
.form .btn{margin-top:4px}
.form-msg{font-family:var(--t-sans);font-size:.9rem;padding:.6em 0}

/* page head (interior pages) */
.page-head{position:relative;color:var(--cream);background:var(--ink-deep);overflow:hidden;isolation:isolate}
.page-head__media{position:absolute;inset:0;z-index:0}
.page-head__media img{width:100%;height:100%;object-fit:cover}
.page-head__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,14,12,.55) 0%,rgba(16,14,12,.88) 100%)}
.page-head__inner{position:relative;z-index:1;padding-block:clamp(130px,18vh,180px) clamp(48px,7vw,80px);max-width:90ch}
.page-head .eyebrow{color:var(--safety)}
.page-head__title{font-size:clamp(2rem,4.6vw,3.6rem);line-height:1.05;margin:0 0 1rem}
.page-head__lede{font-family:var(--t-sans);font-size:clamp(1.02rem,1.2vw,1.14rem);color:rgba(251,247,239,.85);margin:0;max-width:62ch}
.prose{max-width:74ch}
.prose p{color:var(--stone);line-height:1.8;margin-block:1.2rem;font-size:1.03rem}
.prose h2{font-size:1.5rem;margin-top:2.2rem;color:var(--ink)}
.legal{max-width:74ch;margin-inline:auto}
.legal h2{font-size:1.4rem;margin:2rem 0 1rem}
.legal p{color:var(--stone);line-height:1.8;margin-block:1rem}

.related{margin-top:clamp(48px,6vw,80px);padding-top:clamp(36px,5vw,56px);border-top:1px solid var(--line)}
.related h2{font-size:1.3rem;margin-bottom:1.4rem}
.related-grid{display:grid;grid-template-columns:1fr;gap:12px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:960px){.related-grid{grid-template-columns:repeat(4,1fr)}}
.related-link{display:block;padding:16px 18px;background:var(--cream);border:1px solid var(--line);border-radius:var(--r-sm);text-decoration:none;color:var(--ink);font-family:var(--t-head);font-size:.95rem;letter-spacing:.02em;text-transform:uppercase;transition:border-color .2s,color .2s}
.related-link:hover{border-color:var(--ochre);color:var(--ochre-deep)}

/* footer */
.site-footer{background:var(--ink-deep);color:var(--cream);padding-block:clamp(48px,7vw,80px) 24px}
.site-footer__grid{display:grid;grid-template-columns:1fr;gap:clamp(28px,4vw,48px);padding-bottom:48px}
@media (min-width:720px){.site-footer__grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.site-footer__grid{grid-template-columns:1.3fr 1fr 1fr}}
.site-footer .brand__logo{height:80px}
.footer-claim{font-family:var(--t-sans);font-style:italic;font-size:1.02rem;color:rgba(251,247,239,.65);max-width:32ch;margin:1.3rem 0 0;line-height:1.5}
.footer-title{font-family:var(--t-head);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--safety);margin:0 0 1rem;font-weight:600}
.site-footer address{font-style:normal;line-height:1.8;color:rgba(251,247,239,.85)}
.footer-list{list-style:none;padding:0;margin:0;display:grid;gap:.55rem}
.footer-list a{color:rgba(251,247,239,.85);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s,color .2s;font-size:.94rem}
.footer-list a:hover{color:var(--safety);border-bottom-color:var(--safety)}
.site-footer__base{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:24px;border-top:1px solid var(--line-light);color:rgba(251,247,239,.5);font-size:.85rem}
.site-footer__base a{color:rgba(251,247,239,.75)}

/* floating actions */
.wa-fab{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.3);z-index:60}
.call-fab{position:fixed;right:20px;bottom:86px;width:56px;height:56px;border-radius:50%;background:var(--ochre);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.3);z-index:60;color:#fff}

::selection{background:var(--safety);color:var(--ink-deep)}