/* Santos Landscape — paleta tomada del logo:
   verde oscuro del logotipo, verde hoja del arbol, dorado del sol, azul del agua, gris del subtitulo */
:root{
  --green:#1c5b38; --green-d:#123d26; --leaf:#6fa82e; --leaf-d:#4e8a25;
  --gold:#e0a526; --water:#4a90c4; --gray:#58595b;
  --ink:#1b2420; --muted:#5b6660; --line:#e2e8e2; --bg:#fff; --bg-alt:#f4f7f2;
  --wrap:1160px; --r:14px; --sh:0 6px 24px rgba(18,61,38,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--green);text-underline-offset:3px}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em;color:var(--green-d)}
h1{font-size:clamp(2rem,5.2vw,3.5rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem)}
h3{font-size:1.18rem}
p{margin:0 0 1rem}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:16px}
.sec{padding:clamp(48px,7vw,88px) 0}
.sec.alt{background:var(--bg-alt)}
.sub{color:var(--muted);max-width:60ch;margin-top:-.4rem}
.mt{margin-top:2.5rem}
.skip{position:absolute;left:-9999px;background:var(--green);color:#fff;padding:10px 16px;z-index:99}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}

/* botones */
.btn{display:inline-block;background:var(--green);color:#fff;font-weight:650;text-decoration:none;
  padding:14px 24px;border-radius:999px;border:2px solid var(--green);cursor:pointer;font-size:1rem;
  transition:background .2s,transform .2s}
.btn:hover{background:var(--leaf-d);border-color:var(--leaf-d);transform:translateY(-2px)}
.btn.ghost{background:transparent;color:#fff;border-color:#fff}
.btn.ghost:hover{background:#fff;color:var(--green-d)}
.btn.ghost.dark{color:var(--green);border-color:var(--green)}
.btn.ghost.dark:hover{background:var(--green);color:#fff}
.btn.small{padding:9px 16px;font-size:.92rem}

/* cabecera */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line)}
.head{display:flex;align-items:center;gap:16px;min-height:68px;flex-wrap:wrap}
.brand img{width:168px;height:auto;margin-block:8px}
.nav{margin-left:auto;display:flex;align-items:center;gap:22px}
.nav a{color:var(--gray);text-decoration:none;font-weight:550;font-size:.95rem}
.nav a:hover{color:var(--green)}
.nav .lang{border:1px solid var(--line);border-radius:999px;padding:6px 12px;color:var(--green);font-weight:650}
.nav a.btn{color:#fff}
.nav a.btn:hover{color:#fff}
.burger{display:none}

/* hero */
.hero{position:relative;display:grid;align-items:center;min-height:min(86vh,680px);overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(to right,rgba(12,45,27,.88) 0%,rgba(12,45,27,.62) 38%,rgba(12,45,27,.22) 68%,rgba(12,45,27,.08) 100%)}
.hero-in{position:relative;z-index:2;padding-block:clamp(56px,10vw,110px);color:#fff}
.hero h1{color:#fff;max-width:17ch;text-shadow:0 2px 18px rgba(0,0,0,.25)}
.hero .lead{font-size:clamp(1.05rem,2vw,1.28rem);max-width:52ch;color:#e8f2e6}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.6rem}

/* grids */
.grid{display:grid;gap:24px}
.grid.three{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid.four{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.two{display:grid;gap:clamp(24px,4vw,56px);grid-template-columns:repeat(auto-fit,minmax(320px,1fr));align-items:center}
.rounded{border-radius:var(--r);box-shadow:var(--sh)}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.card.why{padding:28px;border-top:4px solid var(--leaf)}
.card.why .ico{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;
  background:var(--bg-alt);color:var(--leaf-d);margin-bottom:14px}
.card.why .ico svg{width:25px;height:25px}
.card.serv img{aspect-ratio:16/9;object-fit:cover;width:100%}
.card.serv .body{padding:22px}
.card.serv p{color:var(--muted);font-size:.97rem}
.link{font-weight:650;text-decoration:none}
.link:hover{text-decoration:underline}

.ticks{list-style:none;padding:0;margin:0 0 1.5rem;display:grid;gap:12px}
.ticks li{padding-left:30px;position:relative;color:var(--muted)}
.ticks li::before{content:"✓";position:absolute;left:0;top:-1px;color:var(--leaf-d);font-weight:800}
.ticks strong{color:var(--ink)}

.gallery{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.gallery figure{margin:0;border-radius:var(--r);overflow:hidden;background:#fff;box-shadow:var(--sh)}
.gallery img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .4s}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{padding:12px 14px;font-size:.86rem;color:var(--muted)}

.steps{list-style:none;padding:0;counter-reset:s}
.step{background:var(--bg-alt);border-radius:var(--r);padding:26px 22px;border-left:4px solid var(--gold)}
.step .num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;
  background:var(--green);color:#fff;font-weight:700;margin-bottom:12px}
.step p{color:var(--muted);font-size:.97rem;margin:0}

.quote{background:var(--green-d);color:#fff;padding:clamp(44px,6vw,72px) 0}
.quote blockquote{margin:0;max-width:62ch}
.quote p{font-size:clamp(1.15rem,2.4vw,1.6rem);line-height:1.5;font-style:italic}
.quote cite{color:var(--gold);font-style:normal;font-weight:650}

/* formulario */
.form{display:grid;gap:14px;max-width:520px}
.form label{display:grid;gap:6px;font-weight:600;font-size:.94rem;color:var(--green-d)}
.form input,.form select,.form textarea{font:inherit;font-size:1rem;padding:12px 14px;border:1px solid var(--line);
  border-radius:10px;background:#fff;color:var(--ink);width:100%}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--leaf);outline:none;
  box-shadow:0 0 0 3px rgba(111,168,46,.25)}
.form textarea{resize:vertical}
.form small{color:var(--muted)}
.form .req{color:var(--leaf-d)}
.info{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--sh);align-self:start}
.info p{color:var(--muted)}
.info strong{color:var(--green-d)}

.site-foot{background:var(--green-d);color:#cfe0d3;padding:36px 0}
.foot p{margin:.3rem 0}
.foot a{color:#fff}
.foot .small{font-size:.85rem;color:#9cb8a5;margin-top:.9rem}

.wa{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;place-items:center;width:54px;height:54px;
  border-radius:50%;background:#25d366;color:#fff;box-shadow:0 6px 20px rgba(0,0,0,.28)}
.wa:hover{transform:scale(1.06)}

/* movil: menu nativo con checkbox, sin JS */
@media (max-width:900px){
  .head{min-height:60px}
  .brand img{width:136px}
  .burger{display:block;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
    cursor:pointer;position:relative}
  .burger span,.burger span::before,.burger span::after{content:"";position:absolute;left:11px;width:22px;height:2px;
    background:var(--green-d);transition:.25s}
  .burger span{top:21px}
  .burger span::before{top:-7px;left:0}
  .burger span::after{top:7px;left:0}
  .nav{display:none;order:3;width:100%;flex-direction:column;align-items:stretch;gap:0;padding-bottom:10px}
  #nav-toggle:checked ~ .nav{display:flex}
  #nav-toggle:checked ~ .burger span{background:transparent}
  #nav-toggle:checked ~ .burger span::before{transform:rotate(45deg);top:0}
  #nav-toggle:checked ~ .burger span::after{transform:rotate(-45deg);top:0}
  .nav a{padding:13px 4px;border-top:1px solid var(--line);font-size:1rem}
  .nav .lang,.nav .btn{text-align:center;margin-top:10px;border-radius:999px;border:1px solid var(--line)}
  .nav .btn{background:var(--green);color:#fff;border-color:var(--green)}
  .hero{min-height:auto}
  .hero::after{background:linear-gradient(180deg,rgba(18,61,38,.82),rgba(18,61,38,.72))}
  .actions .btn{width:100%;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}
@media print{.site-head,.wa,.hero-bg{display:none}}