@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');

:root { --navy:#171f4b; --navy-2:#202b5c; --orange:#f59a00; --orange-soft:#ffb52e; --sand:#f4efe7; --ink:#202536; --muted:#697080; --line:rgba(23,31,75,.14); --white:#fff; --container:min(1180px, calc(100% - 64px)); }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; background:var(--sand); color:var(--ink); font-family:'DM Sans',Arial,sans-serif; font-size:16px; line-height:1.6; -webkit-font-smoothing:antialiased; }
body.modal-open { overflow:hidden; }
img { display:block; max-width:100%; }
a { color:inherit; }
.container { width:var(--container); margin:0 auto; }
.skip-link { position:fixed; top:-60px; left:18px; z-index:100; padding:10px 14px; background:var(--orange); color:var(--navy); font-weight:700; text-decoration:none; transition:top .2s; }
.skip-link:focus { top:18px; }
.site-header { position:absolute; inset:0 0 auto; z-index:20; color:var(--white); transition:background .3s,backdrop-filter .3s; }
.site-header.scrolled { position:fixed; background:rgba(23,31,75,.93); backdrop-filter:blur(14px); box-shadow:0 8px 24px rgba(0,0,0,.14); }
.header-inner { display:flex; align-items:center; justify-content:space-between; min-height:94px; }
.brand { display:flex; align-items:center; gap:11px; text-decoration:none; letter-spacing:.08em; }
.brand img { width:56px; height:56px; padding:7px; object-fit:contain; border-radius:50%; background:#fff; box-shadow:0 8px 22px rgba(8,13,45,.2); }
.brand-name { font-family:Manrope,Arial,sans-serif; font-size:11px; line-height:1.05; font-weight:700; }
.brand-name strong { font-size:13px; letter-spacing:.15em; }
.site-nav { display:flex; align-items:center; gap:36px; font-size:13px; font-weight:600; }
.site-nav a { text-decoration:none; color:rgba(255,255,255,.83); transition:color .2s; }
.site-nav a:hover,.site-nav a:focus-visible { color:var(--orange-soft); }
.nav-contact { border:1px solid rgba(255,255,255,.36); border-radius:100px; padding:10px 15px; color:#fff!important; }
.nav-contact span { color:var(--orange-soft); margin-left:10px; }
.menu-toggle { display:none; border:0; background:transparent; color:#fff; padding:8px; }
.menu-toggle span { width:25px; height:2px; margin:6px; display:block; background:#fff; }
.hero { position:relative; min-height:min(800px,100vh); display:flex; align-items:center; overflow:hidden; background:var(--navy); color:#fff; }
.hero-slides,.hero-shade,.hero-grid { position:absolute; inset:0; }
.hero-slide { position:absolute; inset:0; background-size:cover; background-position:center; opacity:0; transform:scale(1.06); transition:opacity 1.4s ease,transform 7s cubic-bezier(.16,.8,.28,1); }
.hero-slide-1 { background-image:url('img/banner-mineria.jpg'); }
.hero-slide-2 { background-image:url('img/Mineria-Vasval.webp'); }
.hero-slide-3 { background-image:url('img/SERVICIOS-DE-EXPLOTACION-Y-PROSPECCION-MINERA_VASVAL.webp'); }
.hero-slide.is-active { opacity:1; transform:scale(1); }
.hero-shade { background:linear-gradient(90deg, rgba(16,23,64,.96) 0%,rgba(18,27,67,.7) 38%,rgba(18,26,63,.18) 75%),linear-gradient(0deg,rgba(12,18,49,.52),transparent 42%); z-index:1; }
.hero-grid { z-index:2; opacity:.22; background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px); background-size:100px 100px; mask-image:linear-gradient(90deg,#000,transparent 74%); }
.hero-content { position:relative; z-index:3; padding-top:86px; }
.eyebrow { color:var(--navy); font-family:Manrope,Arial,sans-serif; font-size:11px; line-height:1.2; text-transform:uppercase; letter-spacing:.22em; font-weight:800; margin:0 0 22px; }
.eyebrow.light { color:var(--orange-soft); }
h1,h2,h3,p { margin-top:0; }
h1,h2 { font-family:Manrope,Arial,sans-serif; font-weight:700; letter-spacing:-.055em; line-height:.98; }
h1 { font-size:clamp(48px,7vw,94px); max-width:750px; margin-bottom:27px; }
h2 { font-size:clamp(38px,5vw,68px); margin-bottom:26px; }
h1 em,h2 em { color:var(--orange-soft); font-style:normal; }
.hero-intro { max-width:390px; color:rgba(255,255,255,.78); font-size:18px; line-height:1.45; margin-bottom:34px; }
.button { display:inline-flex; align-items:center; gap:22px; border-radius:100px; font-weight:700; font-size:14px; line-height:1; padding:17px 21px; text-decoration:none; transition:transform .2s,background .2s,color .2s; }
.button:hover,.button:focus-visible { transform:translateY(-3px); }
.button span { font-size:20px; line-height:10px; }
.button-light { background:#fff; color:var(--navy); }
.button-light:hover,.button-light:focus-visible { background:var(--orange-soft); }
.button-orange { background:var(--orange); color:var(--navy); }
.button-orange:hover,.button-orange:focus-visible { background:#fff; }
.hero-bottom { display:flex; align-items:center; gap:15px; max-width:410px; margin-top:104px; color:rgba(255,255,255,.62); font-family:Manrope,Arial,sans-serif; font-size:10px; letter-spacing:.16em; text-transform:uppercase; }
.hero-progress { flex:1; height:1px; background:rgba(255,255,255,.28); overflow:hidden; }
.hero-progress span { display:block; width:34%; height:100%; background:var(--orange); transition:width .4s; }
.scroll-cue { position:absolute; z-index:4; right:32px; bottom:30px; display:flex; flex-direction:column; align-items:center; gap:12px; color:rgba(255,255,255,.65); font-size:10px; letter-spacing:.2em; text-transform:uppercase; text-decoration:none; writing-mode:vertical-rl; }
.scroll-cue span { width:1px; height:46px; background:var(--orange); }
.quick-index { background:#fff; color:var(--navy); border-bottom:1px solid var(--line); }
.quick-index-inner { display:grid; grid-template-columns:190px minmax(220px,1fr) 2fr; gap:34px; align-items:center; min-height:125px; }
.quick-label { font:800 11px/1.2 Manrope,Arial,sans-serif; letter-spacing:.15em; text-transform:uppercase; color:var(--orange); }
.quick-brand { display:flex; align-items:center; justify-content:flex-start; width:94px; height:94px; }
.quick-brand img { width:94px; height:94px; padding:11px; object-fit:contain; border-radius:50%; background:#fff; box-shadow:0 9px 22px rgba(23,31,75,.14); transition:transform .2s; }
.quick-brand:hover img,.quick-brand:focus-visible img { transform:scale(1.05); }
.quick-index p { max-width:280px; margin:0; color:var(--muted); font-size:14px; line-height:1.4; }
.quick-links { display:grid; grid-template-columns:repeat(4,1fr); border-left:1px solid var(--line); }
.quick-links a { display:flex; align-items:center; gap:11px; min-height:45px; padding:0 17px; border-right:1px solid var(--line); text-decoration:none; font:600 13px Manrope,Arial,sans-serif; transition:background .2s,color .2s; }
.quick-links a:hover,.quick-links a:focus-visible { background:var(--navy); color:#fff; }
.quick-links span { color:var(--orange); font-size:10px; }
.quick-links b { margin-left:auto; color:var(--orange); font-size:18px; font-weight:400; }
.section { padding:135px 0; }
.intro-layout { display:grid; grid-template-columns:80px minmax(0,1fr) 43%; gap:42px; align-items:center; }
.section-marker { display:flex; flex-direction:column; align-items:center; gap:14px; color:var(--muted); font-size:10px; letter-spacing:.2em; text-transform:uppercase; }
.section-marker i { width:1px; height:118px; background:var(--orange); }
.intro-copy { max-width:525px; }
.intro-copy h2,.principles-copy h2 { color:var(--navy); }
.lead { color:var(--navy-2); font-size:20px; line-height:1.45; }
.intro-copy > p:not(.eyebrow),.principles-copy > p:not(.eyebrow) { margin-bottom:25px; }
.text-link { display:inline-flex; align-items:center; gap:13px; color:var(--navy); font-size:14px; font-weight:700; margin-top:12px; text-decoration:none; border-bottom:1px solid var(--orange); padding-bottom:4px; }
.text-link span { color:var(--orange); font-size:20px; }
.intro-art { min-height:475px; position:relative; }
.art-card { position:absolute; overflow:hidden; box-shadow:0 22px 45px rgba(23,31,75,.12); }
.art-card img { width:100%; height:100%; object-fit:cover; }
.art-card-main { inset:0 11% 9% 0; }
.art-card-small { width:42%; height:41%; right:0; bottom:0; border:10px solid var(--sand); }
.art-stamp { position:absolute; left:-23px; bottom:27px; width:102px; height:102px; display:grid; place-content:center; background:var(--orange); color:var(--navy); border-radius:50%; font-size:10px; line-height:1.1; text-align:center; text-transform:uppercase; letter-spacing:.12em; transform:rotate(-10deg); }
.art-stamp strong { font-size:16px; letter-spacing:.05em; }
.section-dark { background:var(--navy); color:#fff; }
.split-heading { display:flex; justify-content:space-between; gap:50px; align-items:flex-end; margin-bottom:76px; }
.section-heading h2 { margin-bottom:0; }
.section-note { max-width:340px; margin:0 0 5px; color:rgba(255,255,255,.64); font-size:16px; line-height:1.55; }
.service-list { border-top:1px solid rgba(255,255,255,.24); }
.service-item { display:grid; grid-template-columns:60px 55px minmax(0,1fr) 40px; gap:22px; align-items:center; padding:31px 0; border-bottom:1px solid rgba(255,255,255,.24); transition:padding .3s,background .3s; }
.service-item:hover { padding-left:13px; padding-right:13px; background:rgba(255,255,255,.04); }
.service-number { align-self:start; padding-top:4px; color:var(--orange-soft); font:700 12px Manrope,Arial,sans-serif; letter-spacing:.1em; }
.service-icon { width:46px; height:46px; display:grid; place-items:center; border:1px solid rgba(255,181,46,.7); border-radius:50%; color:var(--orange-soft); font-size:28px; line-height:1; }
.service-item h3 { font:600 23px/1.15 Manrope,Arial,sans-serif; letter-spacing:-.04em; margin-bottom:8px; }
.service-item p { max-width:680px; margin:0; color:rgba(255,255,255,.62); font-size:15px; line-height:1.48; }
.service-arrow { color:var(--orange-soft); font-size:27px; transition:transform .2s; }
.service-item:hover .service-arrow { transform:translate(3px,-3px); }
.principles { background:#fbf9f5; }
.principles-layout { display:grid; grid-template-columns:47% 1fr; gap:10%; align-items:center; }
.principles-visual { position:relative; min-height:520px; background:var(--navy); }
.principles-visual img { width:100%; height:100%; min-height:520px; object-fit:cover; mix-blend-mode:screen; opacity:.85; }
.visual-caption { position:absolute; inset:auto 0 0; display:flex; justify-content:space-between; align-items:flex-end; padding:20px 24px; color:#fff; font:11px/1.35 Manrope,Arial,sans-serif; letter-spacing:.12em; text-transform:uppercase; }
.visual-caption span:first-child { color:var(--orange-soft); font-size:18px; }
.values-grid { display:grid; grid-template-columns:1fr 1fr; margin-top:43px; border-top:1px solid var(--line); }
.values-grid span { min-height:78px; display:flex; align-items:center; color:var(--navy); font:600 14px/1.25 Manrope,Arial,sans-serif; border-bottom:1px solid var(--line); }
.values-grid span:nth-child(odd) { border-right:1px solid var(--line); padding-right:20px; }
.values-grid span:nth-child(even) { padding-left:20px; }
.section-accent { padding:113px 0; background:var(--orange); color:var(--navy); }
.mission-layout { display:grid; grid-template-columns:43% 1fr; gap:9%; align-items:start; }
.mission .eyebrow { color:rgba(23,31,75,.65); }
.mission h2 { margin-bottom:0; }
.mission h2 em { color:#fff; }
.mission-content { display:grid; grid-template-columns:1fr 1fr; gap:40px; padding-top:8px; }
.mini-label { display:block; color:rgba(23,31,75,.55); font:800 11px/1.2 Manrope,Arial,sans-serif; letter-spacing:.2em; text-transform:uppercase; margin-bottom:17px; }
.mission-content p { max-width:340px; font-size:16px; line-height:1.55; }
.faq { background:#fff; }
.faq-layout { display:grid; grid-template-columns:38% 1fr; gap:10%; align-items:start; }
.faq h2 { color:var(--navy); }
.faq-list { border-top:1px solid var(--line); }
.faq-list details { border-bottom:1px solid var(--line); }
.faq-list summary { list-style:none; cursor:pointer; padding:23px 44px 23px 0; position:relative; color:var(--navy); font:600 17px/1.3 Manrope,Arial,sans-serif; }
.faq-list summary::-webkit-details-marker { display:none; }
.faq-list summary::after { content:'+'; position:absolute; right:3px; top:17px; color:var(--orange); font:400 27px Manrope,Arial,sans-serif; transition:transform .2s; }
.faq-list details[open] summary::after { transform:rotate(45deg); }
.faq-list details p { max-width:590px; margin:-5px 45px 23px 0; color:var(--muted); font-size:15px; line-height:1.55; }
.faq-list a { color:var(--navy); font-weight:700; }
.contact { padding:126px 0 108px; }
.contact-layout { display:grid; grid-template-columns:56% 1fr; gap:10%; }
.contact-copy > p:not(.eyebrow) { max-width:415px; color:rgba(255,255,255,.62); font-size:18px; margin-bottom:31px; }
.contact h2 { max-width:650px; }
.contact-details { display:grid; grid-template-columns:1fr 1fr; gap:42px 30px; padding-top:73px; }
.detail-block:first-child { grid-column:1/-1; }
.detail-block .mini-label { color:var(--orange-soft); }
.detail-block a { display:block; width:max-content; color:#fff; font-size:16px; text-decoration:none; border-bottom:1px solid rgba(255,255,255,.3); margin:4px 0; }
.detail-block p { color:rgba(255,255,255,.64); font-size:14px; line-height:1.55; margin:0; }
.site-footer { background:#0e1433; color:#fff; padding:34px 0 21px; }
.footer-top { display:flex; align-items:center; justify-content:space-between; padding-bottom:39px; border-bottom:1px solid rgba(255,255,255,.16); }
.footer-brand img { width:48px; height:48px; padding:6px; }
.footer-top > p { margin:0; color:rgba(255,255,255,.58); text-align:center; font-size:14px; line-height:1.35; }
.back-top { display:flex; align-items:center; gap:10px; color:var(--orange-soft); text-decoration:none; font-size:25px; }
.back-top span { color:rgba(255,255,255,.62); font-size:10px; letter-spacing:.16em; text-transform:uppercase; }
.footer-bottom { display:flex; justify-content:space-between; gap:20px; padding-top:18px; color:rgba(255,255,255,.4); font-size:11px; }
.footer-bottom a { color:rgba(255,255,255,.72); text-underline-offset:3px; }
.modal { position:fixed; z-index:50; inset:0; display:grid; place-items:center; padding:25px; background:rgba(7,11,31,.78); opacity:0; pointer-events:none; transition:opacity .25s; }
.modal.is-open { opacity:1; pointer-events:auto; }
.modal-panel { width:min(700px,100%); max-height:min(780px,90vh); overflow:auto; position:relative; padding:46px; background:#fff; color:var(--ink); box-shadow:0 20px 80px rgba(0,0,0,.3); transform:translateY(15px); transition:transform .25s; }
.modal.is-open .modal-panel { transform:translateY(0); }
.modal-panel h2 { color:var(--navy); font-size:40px; }
.modal-close { position:absolute; top:13px; right:19px; border:0; background:transparent; color:var(--navy); font-size:33px; cursor:pointer; }
.privacy-copy { color:#555d6d; font-size:14px; line-height:1.6; }
.privacy-copy h3 { color:var(--navy); font:700 17px/1.2 Manrope,Arial,sans-serif; margin:27px 0 8px; }
.privacy-copy ul { padding-left:20px; }
.privacy-copy a { color:var(--navy); font-weight:700; }
.privacy-update { font-size:12px; color:var(--muted); margin-top:28px; }
:focus-visible { outline:3px solid var(--orange-soft); outline-offset:4px; }
@media (max-width:900px) { :root { --container:min(100% - 40px,680px); } .site-nav { gap:20px; } .quick-index-inner { grid-template-columns:1fr 1fr; padding:25px 0; } .quick-links { grid-column:1/-1; border-left:0; } .intro-layout { grid-template-columns:40px 1fr; } .intro-art { grid-column:2; min-height:400px; } .principles-layout,.mission-layout,.contact-layout,.faq-layout { grid-template-columns:1fr; gap:54px; } .principles-visual { max-width:580px; } .contact-details { padding-top:0; } .mission-content { padding-top:0; } }
@media (max-width:640px) { :root { --container:calc(100% - 38px); } .header-inner { min-height:78px; } .brand img { width:44px; height:44px; } .brand-name { font-size:9px; } .brand-name strong { font-size:11px; } .menu-toggle { display:block; } .site-nav { position:absolute; top:70px; right:19px; left:19px; display:none; flex-direction:column; align-items:stretch; gap:0; padding:11px; background:var(--navy); box-shadow:0 15px 30px rgba(0,0,0,.2); } .site-nav.is-open { display:flex; } .site-nav a { padding:12px 14px; } .nav-contact { margin-top:5px; text-align:center; } .hero { min-height:740px; } .hero-content { padding-top:90px; } h1 { font-size:clamp(48px,15vw,72px); } h2 { font-size:clamp(36px,11vw,56px); } .hero-intro { font-size:16px; max-width:300px; } .hero-bottom { margin-top:78px; } .scroll-cue { right:18px; bottom:21px; } .quick-index-inner { display:block; padding:28px 0 14px; } .quick-brand { width:78px; height:78px; margin-bottom:12px; } .quick-brand img { width:78px; height:78px; padding:9px; } .quick-index p { margin:10px 0 20px; } .quick-links { display:grid; grid-template-columns:1fr 1fr; } .quick-links a { padding:10px 11px; border-bottom:1px solid var(--line); } .section { padding:86px 0; } .intro-layout { grid-template-columns:1fr; gap:32px; } .section-marker { display:none; } .intro-art { grid-column:auto; min-height:330px; } .art-card-small { border-width:7px; } .art-stamp { left:-10px; bottom:20px; width:84px; height:84px; } .split-heading { display:block; margin-bottom:42px; } .section-note { margin-top:25px; } .service-item { grid-template-columns:33px 45px 1fr; gap:13px; align-items:start; padding:24px 0; } .service-item h3 { font-size:18px; } .service-item p { font-size:14px; } .service-arrow { display:none; } .service-icon { width:40px; height:40px; font-size:23px; } .principles-visual,.principles-visual img { min-height:350px; } .principles-copy .lead { font-size:18px; } .mission-content { grid-template-columns:1fr; gap:22px; } .mission-content p { max-width:none; } .contact { padding:86px 0 80px; } .contact-details { grid-template-columns:1fr; gap:25px; } .detail-block:first-child { grid-column:auto; } .footer-top { align-items:flex-start; flex-wrap:wrap; gap:28px; } .footer-top > p { order:3; width:100%; text-align:left; } .footer-bottom { flex-direction:column; gap:10px; } .modal-panel { padding:35px 23px 25px; } .modal-panel h2 { font-size:33px; } }
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } *,*::before,*::after { transition-duration:.01ms!important; animation-duration:.01ms!important; animation-iteration-count:1!important; } }