/* HBH Ingeniería · hoja de estilos v2 (minimal, moderna) */
@font-face{font-family:"Manrope";font-weight:500;font-display:swap;src:url("fonts/manrope-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"Manrope";font-weight:600;font-display:swap;src:url("fonts/manrope-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"Manrope";font-weight:700;font-display:swap;src:url("fonts/manrope-latin-700-normal.woff2") format("woff2")}
@font-face{font-family:"Manrope";font-weight:800;font-display:swap;src:url("fonts/manrope-latin-800-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-weight:400;font-display:swap;src:url("fonts/inter-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-weight:500;font-display:swap;src:url("fonts/inter-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-weight:600;font-display:swap;src:url("fonts/inter-latin-600-normal.woff2") format("woff2")}

:root{
  --bg:#FAFAF8; --white:#fff; --ink:#111418; --ink-2:#2A2F35; --muted:#646B73; --line:#E6E5E0; --line-2:#D5D4CD;
  --tint:#F2F3EE; --olive:#4F6B3A; --olive-dark:#3C5230; --olive-light:#BFD3A4;
  --head:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif; --body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --maxw:1180px; --gutter:clamp(20px,4vw,40px); --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:400 1.0625rem/1.7 var(--body);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--head);margin:0;line-height:1.08;letter-spacing:-.03em;font-weight:700}
p{margin:0}
section[id]{scroll-margin-top:84px}
:focus-visible{outline:2px solid var(--olive);outline-offset:3px;border-radius:6px}
.container{width:min(100% - 2*var(--gutter),var(--maxw));margin-inline:auto}
.narrow{width:min(100% - 2*var(--gutter),780px);margin-inline:auto}
.skip-link{position:absolute;left:16px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:12px 18px;border-radius:999px;text-decoration:none;font-weight:600;transition:top .2s}
.skip-link:focus{top:16px}

/* ---- Base de texto ---- */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:600 .74rem var(--head);letter-spacing:.18em;text-transform:uppercase;color:var(--olive)}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.section{padding-block:clamp(84px,11vw,150px)}
.section-head{max-width:760px;margin-inline:auto;text-align:center;display:flex;flex-direction:column;align-items:center}
.section-head h2{font-size:clamp(2.1rem,4.4vw,3.6rem);letter-spacing:-.04em;margin-top:20px}
.section-head p{color:var(--muted);margin-top:22px;font-size:1.12rem;max-width:58ch}
.lead{font-size:clamp(1.08rem,1.5vw,1.3rem);color:var(--muted);line-height:1.6;max-width:56ch}

/* ---- Botones ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 26px;border-radius:999px;font:600 .97rem var(--head);letter-spacing:-.01em;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .25s,color .25s,border-color .25s,transform .25s var(--ease)}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--olive-dark)}
.btn-ghost{border-color:var(--line-2);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--olive-light)}
.btn-sm{padding:10px 20px;font-size:.9rem}

/* ---- Cabecera ---- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,250,248,.78);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s}
.site-header.is-scrolled{border-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.brand img{height:46px;width:auto}
.nav{display:flex;align-items:center;gap:clamp(18px,2.4vw,36px)}
.nav>a,.nav .has-sub>a{font:500 .94rem var(--head);text-decoration:none;color:var(--ink-2);transition:color .2s;letter-spacing:-.005em}
.nav>a:hover,.nav .has-sub>a:hover,.nav [aria-current]{color:var(--olive)}
.has-sub{position:relative}
.has-sub>a::after{content:"";display:inline-block;width:6px;height:6px;margin-left:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-3px) rotate(45deg)}
.sub{position:absolute;left:50%;top:100%;transform:translate(-50%,6px);min-width:290px;padding:10px;margin-top:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 30px 60px -30px rgba(17,20,24,.28);opacity:0;visibility:hidden;transition:opacity .2s,transform .25s var(--ease),visibility .2s;display:grid}
.has-sub::before{content:"";position:absolute;left:0;right:0;top:100%;height:20px}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:translate(-50%,0)}
.sub a{padding:11px 14px;border-radius:11px;text-decoration:none;font:500 .93rem var(--head);color:var(--ink-2)}
.sub a:hover{background:var(--tint);color:var(--olive-dark)}
.menu-toggle{display:none;background:none;border:0;padding:8px;margin-right:-8px;cursor:pointer;color:var(--ink)}
.menu-toggle svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round}
.menu-toggle .icon-close{display:none}
.menu-toggle[aria-expanded="true"] .icon-open{display:none}
.menu-toggle[aria-expanded="true"] .icon-close{display:block}

/* ---- Hero ---- */
.hero{position:relative;overflow:hidden;text-align:center;padding:clamp(84px,12vw,170px) 0 clamp(64px,8vw,110px)}
.hero::before{content:"";position:absolute;inset:0;background:url("img/topo.svg") center/cover no-repeat;opacity:.9;-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 25%,transparent 78%);mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 25%,transparent 78%);pointer-events:none}
.hero .container{position:relative;display:flex;flex-direction:column;align-items:center}
.pill{display:inline-flex;align-items:center;gap:10px;padding:8px 16px 8px 12px;border:1px solid var(--line-2);border-radius:999px;background:rgba(255,255,255,.7);font:600 .78rem var(--head);letter-spacing:.04em;color:var(--ink-2)}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--olive)}
.hero h1{font-size:clamp(2.7rem,7.4vw,6.2rem);letter-spacing:-.05em;line-height:1.01;margin-top:30px;max-width:15ch;font-weight:700}
.hero h1 em{font-style:normal;color:var(--olive)}
.hero .lead{margin-top:30px}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:40px}
.areas{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:64px}
.areas a{padding:9px 18px;border:1px solid var(--line-2);border-radius:999px;background:rgba(255,255,255,.75);text-decoration:none;font:600 .86rem var(--head);color:var(--ink-2);transition:border-color .2s,background .2s}
.areas a:hover{border-color:var(--ink);background:#fff}

/* ---- Cifras ---- */
.stats{border-block:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);text-align:center}
.stat{padding:46px 18px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat strong{display:block;font:600 clamp(2.4rem,4.6vw,3.8rem)/1 var(--head);letter-spacing:-.05em}
.stat span{display:block;margin-top:12px;font-size:.93rem;color:var(--muted);line-height:1.45}

/* ---- Empresa ---- */
.about-text{max-width:66ch;margin:54px auto 0;text-align:center;color:var(--muted);display:grid;gap:20px}
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:80px}
.principle{padding:38px 30px;border:1px solid var(--line);border-radius:24px;background:var(--white);text-align:center}
.principle .num{font:700 .8rem var(--head);letter-spacing:.2em;color:var(--olive)}
.principle h3{font-size:1.35rem;margin-top:18px}
.principle p{color:var(--muted);margin-top:12px;font-size:1rem}

/* ---- Servicios (tarjetas) ---- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:72px}
.svc{display:flex;flex-direction:column;align-items:center;text-align:center;text-decoration:none;padding:44px 30px 34px;border:1px solid var(--line);border-radius:26px;background:var(--white);transition:border-color .3s,transform .4s var(--ease),box-shadow .4s}
.svc:hover{border-color:var(--ink);transform:translateY(-5px);box-shadow:0 34px 60px -38px rgba(17,20,24,.45)}
.ico{width:60px;height:60px;border-radius:50%;display:grid;place-items:center;background:var(--tint);color:var(--olive-dark);transition:background .3s,color .3s}
.svc:hover .ico{background:var(--ink);color:#fff}
.ico svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.svc h3{font-size:1.32rem;margin-top:26px}
.svc p{color:var(--muted);margin-top:14px;font-size:.99rem;flex:1}
.more{display:inline-flex;align-items:center;gap:8px;margin-top:26px;font:600 .9rem var(--head);color:var(--olive-dark)}
.more svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s var(--ease)}
.svc:hover .more svg{transform:translateX(5px)}

/* ---- Método (oscuro) ---- */
.method{background:var(--ink);color:#fff}
.method .eyebrow{color:var(--olive-light)}
.method .section-head p{color:#A5ABB2}
.steps{display:grid;grid-template-columns:repeat(4,1fr);margin:80px 0 0;padding:0;list-style:none;position:relative;text-align:center}
.steps::before{content:"";position:absolute;left:12%;right:12%;top:27px;height:1px;background:rgba(255,255,255,.16)}
.step{padding-inline:16px;position:relative}
.dot{width:54px;height:54px;border-radius:50%;margin:0 auto;display:grid;place-items:center;background:var(--ink);border:1px solid rgba(255,255,255,.28);font:600 .86rem var(--head);letter-spacing:.06em;color:var(--olive-light)}
.step h3{font-size:1.32rem;margin-top:28px}
.step p{color:#A5ABB2;margin-top:12px;font-size:.99rem}

/* ---- Proyectos ---- */
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:72px}
.project{text-align:center}
.thumb{border-radius:24px;overflow:hidden;aspect-ratio:4/3;border:1px solid var(--line)}
.thumb svg{width:100%;height:100%;transition:transform .8s var(--ease)}
.project:hover .thumb svg{transform:scale(1.05)}
.tag{display:block;margin-top:26px;font:600 .74rem var(--head);letter-spacing:.16em;text-transform:uppercase;color:var(--olive)}
.project h3{font-size:1.28rem;margin-top:10px;line-height:1.2}
.project p{color:var(--muted);margin-top:10px;font-size:1rem}
.center-btn{display:flex;justify-content:center;margin-top:56px}

/* ---- Compromisos ---- */
.why{background:var(--tint);border-block:1px solid var(--line)}
.commit-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:72px}
.commit{text-align:center;padding:10px 14px}
.tick{width:46px;height:46px;border-radius:50%;margin:0 auto;display:grid;place-items:center;background:var(--olive);color:#fff}
.tick svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.commit h3{font-size:1.2rem;margin-top:22px}
.commit p{color:var(--muted);margin-top:10px;font-size:.99rem}

/* ---- Banda CTA ---- */
.cta{padding-block:clamp(70px,9vw,120px)}
.cta-box{background:var(--ink);color:#fff;border-radius:32px;padding:clamp(48px,8vw,100px) clamp(24px,6vw,80px);text-align:center;position:relative;overflow:hidden}
.cta-box::before{content:"";position:absolute;inset:0;background:url("img/topo.svg") center/cover;opacity:.16;filter:invert(1)}
.cta-box>*{position:relative}
.cta-box h2{font-size:clamp(2rem,4.6vw,3.7rem);letter-spacing:-.045em;max-width:18ch;margin-inline:auto}
.cta-box p{color:#B4BAC1;margin:22px auto 0;max-width:52ch;font-size:1.1rem}
.cta-box .btn{margin-top:36px}

/* ---- Páginas interiores ---- */
.page-hero{position:relative;overflow:hidden;text-align:center;padding:clamp(56px,8vw,110px) 0 clamp(48px,6vw,80px);border-bottom:1px solid var(--line)}
.page-hero::before{content:"";position:absolute;inset:0;background:url("img/topo.svg") center/cover;opacity:.55;-webkit-mask-image:radial-gradient(ellipse 70% 90% at 50% 20%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 70% 90% at 50% 20%,#000 20%,transparent 75%);pointer-events:none}
.page-hero .container{position:relative;display:flex;flex-direction:column;align-items:center}
.page-hero h1{font-size:clamp(2.4rem,5.8vw,4.6rem);letter-spacing:-.045em;line-height:1.03;margin-top:26px;max-width:16ch}
.page-hero .lead{margin-top:26px}
.crumbs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;font:500 .84rem var(--head);color:var(--muted);list-style:none;margin:0;padding:0}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--line-2)}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--olive)}
.crumbs [aria-current]{color:var(--ink)}
.page-hero .ico{margin-bottom:24px;width:68px;height:68px}
.sec-sm{padding-block:clamp(64px,8vw,110px)}
.rows{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:64px}
.row-card{padding:34px 32px;border:1px solid var(--line);border-radius:22px;background:var(--white);text-align:center}
.row-card .n{font:700 .78rem var(--head);letter-spacing:.2em;color:var(--olive)}
.row-card h3{font-size:1.24rem;margin-top:14px}
.row-card p{color:var(--muted);margin-top:10px;font-size:1rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);margin-top:64px}
.panel{padding:clamp(30px,4vw,48px);border-radius:26px;border:1px solid var(--line);background:var(--white)}
.panel.tint{background:var(--tint)}
.panel h3{font-size:1.4rem;text-align:center}
.checks{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:16px}
.checks li{display:grid;grid-template-columns:22px 1fr;gap:14px;align-items:start;color:var(--ink-2);font-size:1rem;line-height:1.55;text-align:left}
.checks li::before{content:"";width:22px;height:22px;border-radius:50%;background:var(--olive) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12.5 4 4 8-9'/%3E%3C/svg%3E") center/13px no-repeat;margin-top:2px}
.faq{max-width:800px;margin:64px auto 0;display:grid;gap:12px}
.faq details{border:1px solid var(--line);border-radius:18px;background:var(--white);transition:border-color .2s}
.faq details[open]{border-color:var(--line-2)}
.faq summary{list-style:none;cursor:pointer;padding:22px 26px;font:600 1.06rem var(--head);letter-spacing:-.015em;display:flex;justify-content:space-between;gap:20px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 1.6rem/1 var(--head);color:var(--olive);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 26px 24px;color:var(--muted);font-size:1rem}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px}
.svc.compact{padding:34px 24px 28px}
.svc.compact h3{font-size:1.18rem;margin-top:20px}
.svc.compact .ico{width:52px;height:52px}
.prose{max-width:720px;margin-inline:auto}
.prose h2{font-size:1.5rem;margin:44px 0 12px;letter-spacing:-.025em}
.prose p{color:var(--ink-2);margin-top:14px}
.prose ul{margin:14px 0 0;padding-left:20px;color:var(--ink-2)}

/* ---- Contacto ---- */
.contact-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(28px,5vw,72px);align-items:start;margin-top:64px}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.contact-list li{display:grid;grid-template-columns:50px 1fr;gap:16px;align-items:center;padding:18px 20px;border:1px solid var(--line);border-radius:20px;background:var(--white)}
.contact-list .ico{width:50px;height:50px}
.contact-list small{display:block;font:600 .72rem var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.contact-list a,.contact-list span.v{font-weight:600;text-decoration:none;word-break:break-word}
.contact-list a:hover{color:var(--olive)}
.form-card{padding:clamp(28px,4vw,48px);border:1px solid var(--line);border-radius:28px;background:var(--white);display:grid;gap:18px}
.form-card h2{font-size:1.6rem;text-align:center;margin-bottom:6px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:grid;gap:8px}
label{font:600 .86rem var(--head);color:var(--ink-2)}
input,select,textarea{font:400 1rem var(--body);color:var(--ink);padding:14px 16px;border:1px solid var(--line-2);border-radius:14px;background:var(--bg);width:100%;transition:border-color .2s,box-shadow .2s}
textarea{min-height:140px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--olive);box-shadow:0 0 0 4px rgba(79,107,58,.14);background:#fff}
.check{display:flex;gap:12px;align-items:flex-start;font:400 .9rem/1.5 var(--body);color:var(--muted)}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--olive);flex:none}
.form-card .btn{justify-self:center}
.form-status{text-align:center;color:var(--olive-dark);font-weight:600;font-size:.95rem;min-height:1.4em}

/* ---- Pie ---- */
.site-footer{background:var(--ink);color:#B4BAC1;padding-top:clamp(60px,8vw,100px);text-align:center}
.footer-brand img{height:56px;width:auto;margin-inline:auto}
.footer-brand p{margin:24px auto 0;max-width:46ch;font-size:.98rem;line-height:1.6}
.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:64px;padding-top:56px;border-top:1px solid rgba(255,255,255,.12)}
.footer-col h4{font:700 .74rem var(--head);letter-spacing:.18em;text-transform:uppercase;color:#fff;margin-bottom:20px}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:12px;font-size:.95rem}
.footer-col a{text-decoration:none;color:#B4BAC1;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:64px;padding:28px 0 36px;border-top:1px solid rgba(255,255,255,.12);font-size:.88rem}
.footer-bottom ul{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 26px;list-style:none;margin:0;padding:0}
.footer-bottom a{text-decoration:none}
.footer-bottom a:hover{color:#fff}

/* ---- Animación ---- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.js .reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .reveal{opacity:1;transform:none;transition:none}*{transition-duration:.01ms!important}}

/* ---- Responsive ---- */
@media (max-width:1000px){
  .cards,.project-grid,.related{grid-template-columns:repeat(2,1fr)}
  .commit-list{grid-template-columns:repeat(2,1fr);gap:36px 20px}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:56px}.steps::before{display:none}
  .contact-wrap,.split{grid-template-columns:1fr}
}
@media (max-width:900px){
  .menu-toggle{display:block}
  .nav{position:fixed;inset:76px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;padding:12px var(--gutter) 28px;background:var(--bg);border-bottom:1px solid var(--line);max-height:calc(100vh - 76px);overflow:auto;transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .25s,transform .25s,visibility .25s;text-align:center}
  .nav.is-open{opacity:1;transform:none;visibility:visible}
  .nav>a,.nav .has-sub>a{padding:15px 0;font-size:1.05rem;border-bottom:1px solid var(--line);display:block}
  .has-sub>a::after{display:none}
  .sub{position:static;transform:none;opacity:1;visibility:visible;min-width:0;margin:0;padding:0 0 6px;border:0;box-shadow:none;background:none;border-bottom:1px solid var(--line)}
  .has-sub::before{display:none}
  .has-sub:hover .sub,.has-sub:focus-within .sub{transform:none}
  .sub a{padding:10px 0;color:var(--muted)}
  .nav .btn{margin-top:20px;padding:15px}
}
@media (max-width:760px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(odd){border-left:0}.stat:nth-child(n+3){border-top:1px solid var(--line)}
  .principles,.rows{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:34px}
}
@media (max-width:640px){
  .cards,.project-grid,.related,.commit-list,.steps,.form-row{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-box{border-radius:24px}
}
.nav>a.btn-primary,.nav>a.btn-primary:hover{color:#fff}
.nav>a.btn-primary:hover{background:var(--olive-dark)}