:root{
  --night:#101a15; --ink:#f3f1ea; --muted:rgba(243,241,234,.74); --line:rgba(255,255,255,.15);
  --glass:rgba(18,36,27,.46); --brand:#2f5d4a; --brand-dark:#234637;
  --olive:#c8d696; --olive-deep:#a9bb72;
  --radius:14px; --wrap:1160px; --dim:0;
  --ease:cubic-bezier(.2,.7,.2,1);
  --house:url("../img/hero.jpg");
  --mark:url("../img/logo-mark-white.png");
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;background:var(--night)}
body{font-family:Manrope,system-ui,sans-serif;color:var(--ink);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:"DM Serif Display",Georgia,serif;font-weight:400;line-height:1.15}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.eyebrow{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--olive)}
:focus-visible{outline:2px solid var(--olive);outline-offset:3px}

/* Fondo fotográfico fijo */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;background:var(--night)}
.bg-img{position:absolute;inset:-5%;background:var(--house) 62% 50%/cover;animation:drift 30s ease-in-out infinite alternate;will-change:transform}
.bg::before{content:"";position:absolute;inset:0;z-index:1;background:
  linear-gradient(95deg,rgba(9,15,12,.66) 0%,rgba(9,15,12,.5) 38%,rgba(9,15,12,.08) 72%),
  linear-gradient(0deg,rgba(9,15,12,.42),transparent 45%)}
.bg::after{content:"";position:absolute;inset:0;z-index:2;background:rgba(24,48,37,.55);opacity:var(--dim)}
@keyframes drift{from{transform:scale(1) translate3d(0,0,0)}to{transform:scale(1.09) translate3d(-1.2%,-1%,0)}}

.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.9rem 1.5rem;border-radius:999px;font-weight:700;text-decoration:none;border:2px solid transparent;transition:transform .25s var(--ease),background .25s,box-shadow .25s,border-color .25s;cursor:pointer;font-size:1rem;font-family:inherit}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--olive);color:#14201a}
.btn-primary:hover{background:#d8e4ab;box-shadow:0 10px 28px rgba(200,214,150,.28)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-green{background:var(--brand);color:#fff}
.btn-green:hover{background:#3a7059;box-shadow:0 10px 28px rgba(47,93,74,.45)}
.todo{background:rgba(212,161,59,.14);border:1px dashed #d4a13b;color:#f2cd8a;padding:.15rem .5rem;border-radius:6px;font-size:.85em;font-weight:600}

/* Header */
header{position:sticky;top:0;z-index:50;border-bottom:1px solid transparent;transition:background .4s,border-color .4s,backdrop-filter .4s}
header.scrolled{background:rgba(16,32,24,.68);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:80px;transition:height .35s var(--ease)}
header.scrolled .nav{height:64px}
.logo{display:block;line-height:0}
.logo img{height:52px;width:auto;transition:height .35s var(--ease)}
header.scrolled .logo img{height:42px}
.menu{display:flex;gap:1.8rem;list-style:none;align-items:center}
.menu a{text-decoration:none;font-weight:600;font-size:.95rem;color:var(--ink);position:relative;padding:.2rem 0}
.menu a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--olive);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.menu a:not(.btn):hover::after{transform:scaleX(1)}
.menu .btn{color:#fff;padding:.6rem 1.15rem}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:transform .3s var(--ease),opacity .2s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{position:relative;min-height:calc(100vh - 80px);min-height:calc(100svh - 80px);display:flex;align-items:center}
.hero .wrap{width:100%;padding-top:40px;padding-bottom:90px}
.hero h1{font-size:clamp(2.4rem,5.2vw,4rem);max-width:640px;margin:.9rem 0 1.3rem;text-shadow:0 2px 30px rgba(0,0,0,.25)}
.hero p{max-width:520px;font-size:1.15rem;color:rgba(255,255,255,.92);margin-bottom:2.1rem;text-shadow:0 1px 18px rgba(0,0,0,.45)}
.hero .actions{display:flex;flex-wrap:wrap;gap:.8rem}
.hero .rise{opacity:0;transform:translateY(30px);animation:rise 1s var(--ease) forwards;animation-delay:calc(var(--i) * .15s + .2s)}
@keyframes rise{to{opacity:1;transform:none}}

/* Trust bar */
.trust{background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-block:1px solid var(--line)}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;padding:1.5rem 20px}
.trust div{font-size:.92rem;display:flex;gap:.7rem;align-items:center}
.trust svg{flex:none;width:26px;height:26px;stroke:var(--olive)}

section{padding:100px 0;scroll-margin-top:50px}
.head{max-width:680px;margin-bottom:3rem}
.head h2{font-size:clamp(2rem,4vw,2.9rem);margin:.5rem 0 .8rem}
.head p{color:var(--muted)}

/* Cristal */
.card,.proj,.team,.info a,.info div.row,form{background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line)}

/* Services */
.services{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.4rem}
.card{border-radius:var(--radius);padding:2rem;display:flex;flex-direction:column;transition:transform .4s var(--ease),box-shadow .4s,border-color .4s}
.card:hover{transform:translateY(-6px);box-shadow:0 22px 50px rgba(0,0,0,.35);border-color:rgba(200,214,150,.4)}
.card .num{font-family:"DM Serif Display",serif;color:var(--olive);font-size:1.1rem}
.card h3{font-size:1.6rem;margin:.4rem 0 .3rem}
.card .tag{font-weight:700;color:var(--olive);margin-bottom:.8rem}
.card p{color:var(--muted);font-size:.97rem}
.card ul{list-style:none;margin:1rem 0 1.4rem;display:grid;gap:.4rem}
.card li{padding-left:1.4rem;position:relative;font-size:.93rem}
.card li::before{content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;border-radius:2px;background:var(--olive)}
.card .more{margin-top:auto;font-weight:700;color:var(--olive);text-decoration:none;transition:letter-spacing .3s var(--ease)}
.card .more:hover{letter-spacing:.02em}
.photo{position:relative;overflow:hidden;border-radius:var(--radius)}
.photo i{position:absolute;inset:0;background:var(--house) var(--pos,50% 50%)/var(--size,cover);transition:transform 1.1s var(--ease)}
.photo:hover i{transform:scale(1.06)}
.card-help{justify-content:center;align-items:flex-start;gap:1rem;background:linear-gradient(135deg,rgba(47,93,74,.55),rgba(18,36,27,.5))}
.card-help h3{margin:0}

/* Process */
.process{background:rgba(16,32,24,.34);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-block:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem;counter-reset:s}
.step{position:relative;padding-top:3.2rem}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:0;left:0;width:2.4rem;height:2.4rem;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700;box-shadow:0 0 0 5px rgba(47,93,74,.25)}
.step::after{content:"";position:absolute;top:1.2rem;left:3rem;right:.4rem;height:2px;background:var(--olive);opacity:.55;transform-origin:left;transform:scaleX(0);transition:transform 1s var(--ease) calc(var(--d,0s) + .35s)}
.step.in::after{transform:scaleX(1)}
.step:last-child::after{display:none}
.step h3{font-family:Manrope,sans-serif;font-weight:700;font-size:1.05rem;margin-bottom:.3rem}
.step p{color:var(--muted);font-size:.92rem}

/* Projects */
.projects{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.4rem}
.proj{border-radius:var(--radius);overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s}
.proj:hover{transform:translateY(-6px);box-shadow:0 22px 50px rgba(0,0,0,.35)}
.proj .ph{position:relative;aspect-ratio:4/3;background:linear-gradient(135deg,rgba(47,93,74,.5),rgba(18,36,27,.45));overflow:hidden}
.proj .ph::before{content:"";position:absolute;inset:0;background:var(--mark) center/34% no-repeat;opacity:.2}
.proj .ph span{position:absolute;z-index:1;left:1rem;top:1rem;background:rgba(255,255,255,.92);font-size:.75rem;font-weight:700;padding:.3rem .7rem;border-radius:999px;color:var(--brand)}
.proj .body{padding:1.4rem}
.proj h3{font-size:1.45rem}
.proj p{color:var(--muted);font-size:.93rem;margin-top:.3rem}

/* About */
.about-wrap{background:rgba(16,32,24,.34);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid var(--line)}
.about{max-width:760px}
.about blockquote{font-family:"DM Serif Display",serif;font-size:1.5rem;line-height:1.35;border-left:4px solid var(--olive);padding-left:1.2rem;margin:1.2rem 0}
.about p{color:var(--muted);margin-bottom:1rem}
.team{display:flex;gap:1rem;align-items:center;border-radius:var(--radius);padding:1rem;margin-top:1.5rem}
.avatar{width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.1);display:grid;place-items:center;color:var(--muted);font-weight:700;flex:none}
.mvv{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:3.5rem}
.values{list-style:none;display:grid;gap:.5rem;margin-top:.6rem}
.values li{font-size:.95rem;padding-left:0}
.values li::before{display:none}
.values b{color:var(--olive)}

/* CTA */
.cta{background:linear-gradient(rgba(47,93,74,.78),rgba(28,56,44,.84));backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);text-align:center;padding:90px 0;border-block:1px solid var(--line)}
.cta h2{font-size:clamp(2rem,4vw,2.8rem);max-width:720px;margin:0 auto 1rem}
.cta p{opacity:.85;margin-bottom:2rem}

/* Contact */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:2.5rem}
.info{display:grid;gap:1rem;align-content:start}
.info a,.info div.row{display:flex;gap:1rem;align-items:flex-start;text-decoration:none;border-radius:var(--radius);padding:1.1rem 1.2rem;transition:border-color .3s,transform .3s var(--ease)}
.info a:hover{border-color:var(--olive);transform:translateX(4px)}
.info svg{width:24px;height:24px;flex:none;stroke:var(--olive);margin-top:3px}
.info small{display:block;color:var(--muted);font-size:.82rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em}
.info strong{font-weight:600}
form{border-radius:var(--radius);padding:2rem;display:grid;gap:1rem;color-scheme:dark}
form h3{font-size:1.7rem}
label{font-weight:600;font-size:.9rem;display:grid;gap:.35rem}
input,select,textarea{font:inherit;padding:.8rem .9rem;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.07);color:var(--ink);transition:border-color .25s,background .25s,box-shadow .25s}
input::placeholder,textarea::placeholder{color:rgba(243,241,234,.42)}
select option{background:#16221c;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--olive);background:rgba(255,255,255,.1);box-shadow:0 0 0 3px rgba(200,214,150,.18)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.map-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2.5rem}
.map{margin-top:1rem;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);height:360px}
.map iframe{width:100%;height:100%;border:0}

footer{background:rgba(7,11,9,.93);color:#c9cfcb;padding:60px 0 30px;font-size:.93rem}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;margin-bottom:2.5rem}
footer h4{color:#fff;font-size:1rem;margin-bottom:.8rem}
footer ul{list-style:none;display:grid;gap:.4rem}
footer a{text-decoration:none;transition:color .2s}
footer a:hover{color:#fff}
.flogo{width:230px;height:auto}
.social{display:flex;gap:.6rem;margin-top:1rem}
.social a{width:40px;height:40px;border-radius:50%;background:#26302b;display:grid;place-items:center;transition:background .25s,transform .25s var(--ease)}
.social a:hover{background:var(--brand);transform:translateY(-3px)}
.social svg{width:18px;height:18px;fill:#fff}
.copy{border-top:1px solid #2a332e;padding-top:1.4rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;color:#8b948f}

.wa{position:fixed;right:18px;bottom:18px;z-index:60;width:60px;height:60px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.35);transition:transform .3s var(--ease)}
.wa::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid #25d366;animation:ping 2.8s ease-out infinite}
.wa:hover{transform:scale(1.08)}
.wa svg{width:32px;height:32px;fill:#fff}
@keyframes ping{0%{transform:scale(1);opacity:.7}70%,100%{transform:scale(1.55);opacity:0}}

/* Aparición al hacer scroll */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s var(--ease);transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}

@media (max-width:900px){
  .nav{height:68px}
  header.scrolled .nav{height:58px}
  .logo img{height:44px}
  header.scrolled .logo img{height:38px}
  .menu{position:fixed;top:60px;left:0;right:0;background:rgba(9,15,12,.95);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);flex-direction:column;align-items:flex-start;padding:1.5rem 20px 2rem;gap:1.1rem;border-bottom:1px solid var(--line);opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .3s,transform .35s var(--ease),visibility .3s}
  .menu.open{opacity:1;visibility:visible;transform:none}
  .burger{display:block}
  .hero{min-height:calc(100svh - 68px)}
  .trust .wrap{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr;gap:1.6rem}
  .step{padding:0 0 0 3.4rem}
  .step::after{display:none}
  .contact,.mvv,.fgrid{grid-template-columns:1fr}
  section{padding:68px 0}
  .bg-img{background-position:82% 50%}
  .bg::before{background:linear-gradient(180deg,rgba(9,15,12,.42) 0%,rgba(9,15,12,.34) 35%,rgba(9,15,12,.66) 100%)}
}
@media (max-width:520px){
  .trust .wrap,.two{grid-template-columns:1fr}
  .hero .wrap{padding-bottom:60px}
  .map{height:300px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .js .reveal,.hero .rise{opacity:1;transform:none}
  .step::after{transform:scaleX(1)}
}