/* ===========================================================
   Prodesco Verde — Design v2  (light / corporate / architectural)
   Palette: warm off-white, deep forest green, sand, ink
   Type: Fraunces (serif display) + Inter (sans body)
   =========================================================== */
:root{
  --ink:#1c1f1a;
  --paper:#f6f4ee;
  --paper-2:#efece3;
  --green:#3c6e3c;      /* Prodesco forest green (wordmark) */
  --green-2:#4a8a45;
  --lime:#8cc152;       /* Prodesco bright leaf green */
  --sand:#c7a97a;       /* Prodesco tan accent (dot) */
  --sand-dk:#a9873f;
  --line:#dcd7ca;
  --muted:#6b6f64;
  --radius:4px;
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--paper);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Fraunces',serif;font-weight:600;line-height:1.08;letter-spacing:-.01em}
img{display:block;width:100%;height:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
.eyebrow{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--sand-dk);margin-bottom:1rem}
.eyebrow.light{color:var(--sand)}

/* Buttons */
.btn{display:inline-block;padding:.95rem 1.9rem;font-size:.82rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;border-radius:var(--radius);transition:.25s;cursor:pointer}
.btn-solid{background:var(--green);color:#fff;border:1px solid var(--green)}
.btn-solid:hover{background:var(--sand);border-color:var(--sand);color:var(--ink)}
.btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
.btn-outline:hover{background:#fff;color:var(--ink)}

/* Topbar */
.topbar{background:var(--green);color:#e8e6dc;font-size:.78rem}
.topbar-inner{max-width:var(--maxw);margin:0 auto;padding:.5rem 2rem;display:flex;justify-content:space-between;align-items:center}
.topbar-right{display:flex;gap:1.5rem}
.topbar a:hover{color:var(--sand)}

/* Nav */
#navbar{position:sticky;top:0;z-index:50;background:rgba(246,244,238,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:.3s}
#navbar.scrolled{box-shadow:0 6px 24px rgba(0,0,0,.06)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:1.1rem 2rem;display:flex;align-items:center;justify-content:space-between}
.brand{font-family:'Fraunces',serif;font-size:1.5rem;font-weight:600;display:flex;align-items:center;gap:.6rem}
.brand em{font-style:italic;color:var(--green-2)}
.brand.light{color:#fff}.brand.light em{color:var(--sand)}
.brand-logo{width:auto;height:64px;object-fit:contain;display:block}
.brand-mark{width:14px;height:14px;background:var(--sand);display:inline-block;transform:rotate(45deg)}
.footer-logo{display:inline-block}
.footer-logo img{width:auto;height:90px;object-fit:contain;display:block}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-links a{font-size:.9rem;font-weight:500;color:var(--ink);transition:.2s}
.nav-links a:hover{color:var(--sand-dk)}
.nav-cta{background:var(--green);color:#fff!important;padding:.6rem 1.3rem;border-radius:var(--radius);font-size:.8rem!important;text-transform:uppercase;letter-spacing:.06em}
.nav-cta:hover{background:var(--sand);color:var(--ink)!important}

/* Hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{filter:saturate(.9)}
.hero-scrim{position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,30,22,.86) 0%,rgba(20,30,22,.55) 55%,rgba(20,30,22,.25) 100%)}
.hero-inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:0 2rem;width:100%}
.hero h1{font-size:clamp(2.6rem,6vw,5rem);margin:.4rem 0 1.4rem;max-width:15ch}
.hero p{font-size:1.15rem;max-width:46ch;color:#e7e5da;margin-bottom:2.2rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}

/* Stats strip */
.stats{background:var(--green);color:#fff;display:grid;grid-template-columns:repeat(5,1fr)}
.stat{padding:2.4rem 1rem;text-align:center;border-right:1px solid rgba(255,255,255,.12)}
.stat:last-child{border-right:none}
.stat strong{font-family:'Fraunces',serif;font-size:2.4rem;font-weight:600;display:block;color:#fff}
.stat strong span{color:var(--sand);font-size:1.3rem}
.stat small{font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:#c7ccc0}

/* Section rhythm */
section{padding:6rem 2rem}
.section-head{max-width:var(--maxw);margin:0 auto 3rem;text-align:center}
.section-head h2{font-size:clamp(2rem,4vw,3rem)}
.section-head p{color:var(--muted);max-width:52ch;margin:1rem auto 0}
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.visible{opacity:1;transform:none}

/* About */
.about{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.about-media{position:relative;aspect-ratio:4/5;border-radius:var(--radius);overflow:hidden}
.about-badge{position:absolute;bottom:-1px;left:-1px;background:var(--sand);color:var(--ink);padding:1.3rem 1.6rem;display:flex;align-items:center;gap:.7rem}
.about-badge strong{font-family:'Fraunces',serif;font-size:2.6rem}
.about-badge span{font-size:.8rem;line-height:1.2;font-weight:600}
.about-text h2{font-size:clamp(1.9rem,3.4vw,2.7rem);margin-bottom:1.3rem}
.about-text p{color:var(--muted);margin-bottom:1.1rem}
.checklist{list-style:none;margin-top:1.6rem}
.checklist li{position:relative;padding-left:1.8rem;margin-bottom:.7rem;font-weight:500}
.checklist li:before{content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;background:var(--green);transform:rotate(45deg)}

/* Services */
.services{background:var(--paper-2)}
.services-grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.service{background:var(--paper-2);padding:2.4rem 2rem;transition:.3s}
.service:hover{background:#fff}
.s-num{font-family:'Fraunces',serif;font-size:1.1rem;color:var(--sand-dk);font-weight:600}
.service h3{font-size:1.4rem;margin:.6rem 0 .7rem}
.service p{color:var(--muted);font-size:.95rem}

/* Projects */
.proj-top{max-width:var(--maxw);margin:0 auto 1rem;display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.proj-top .proj{height:820px}
.proj-bottom{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.proj-bottom .proj{height:300px}
.proj{position:relative;border-radius:var(--radius);overflow:hidden;background-image:var(--img);background-size:cover;background-position:center;display:flex;align-items:flex-end;isolation:isolate}
.proj:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(20,30,22,.85));transition:.4s;z-index:1}
.proj:hover:before{background:linear-gradient(180deg,rgba(20,30,22,.2),rgba(20,30,22,.9))}
.proj-info{position:relative;z-index:2;padding:1.6rem;color:#fff}
.proj-info span{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--sand)}
.proj-info h3{font-size:1.5rem;margin:.3rem 0 .2rem}
.proj-info p{font-size:.9rem;color:#dcdad0}

/* Sustainability */
.sustain{background:var(--green);color:#fff;background-image:linear-gradient(rgba(20,40,30,.92),rgba(20,40,30,.92)),url('https://images.unsplash.com/photo-1518005020951-eccb494ad742?w=1400&q=80');background-size:cover;background-position:center;background-attachment:fixed}
.sustain-inner{max-width:var(--maxw);margin:0 auto}
.sustain-text{max-width:60ch}
.sustain h2{font-size:clamp(2rem,4vw,3rem);margin-bottom:1.2rem}
.sustain p{color:#dfe3d8;font-size:1.08rem}
.sustain-points{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2.5rem}
.sustain-points strong{display:block;font-family:'Fraunces',serif;font-size:1.3rem;color:var(--sand);margin-bottom:.3rem}
.sustain-points span{font-size:.9rem;color:#cfd4c8}

/* CTA */
.cta{text-align:center;background:var(--paper-2)}
.cta h2{font-size:clamp(2rem,4vw,3rem);margin-bottom:.8rem}
.cta p{color:var(--muted);margin-bottom:2rem}

/* Contact */
.contact-grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1fr 1.1fr;gap:4rem;align-items:start}
.contact-text h2{font-size:clamp(1.9rem,3.4vw,2.7rem);margin-bottom:1rem}
.contact-text p{color:var(--muted);margin-bottom:2rem}
.contact-info{list-style:none}
.contact-info li{padding:1rem 0;border-top:1px solid var(--line);display:flex;flex-direction:column}
.contact-info li span{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--sand-dk);margin-bottom:.2rem}
.contact-info a{font-weight:600;font-size:1.05rem}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2rem}
.contact-form .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.contact-form input,.contact-form textarea{width:100%;padding:.85rem 1rem;margin-bottom:1rem;border:1px solid var(--line);border-radius:var(--radius);font-family:inherit;font-size:.92rem;background:var(--paper);transition:.2s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--green-2);background:#fff}
.contact-form button{width:100%;border:none}

/* Footer */
footer{background:var(--ink);color:#cfd0c8}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:3.5rem 2rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:2rem}
.footer-brand p{font-size:.85rem;color:#8b8d84;margin-top:.4rem}
.footer-nav{display:flex;gap:2rem;flex-wrap:wrap}
.footer-nav a{font-size:.9rem;color:#cfd0c8}
.footer-nav a:hover{color:var(--sand)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);text-align:center;padding:1.4rem;font-size:.8rem;color:#7c7e75}

/* WhatsApp */
.whatsapp{position:fixed;bottom:24px;right:24px;width:56px;height:56px;background:#25d366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.25);z-index:60;transition:.25s}
.whatsapp:hover{transform:scale(1.08)}
.whatsapp svg{width:30px;height:30px;fill:#fff}

/* Responsive */
/* Hamburger toggle (hidden on desktop) */
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;z-index:120}
.nav-toggle span{display:block;width:26px;height:3px;background:var(--green);border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

@media(max-width:900px){
  .nav-toggle{display:flex}
  .nav-links{position:fixed;top:0;right:0;height:100vh;width:min(80vw,320px);background:var(--paper);flex-direction:column;align-items:flex-start;justify-content:center;gap:1.6rem;padding:2rem 2.2rem;transform:translateX(100%);transition:transform .35s ease;box-shadow:-10px 0 40px rgba(0,0,0,.15)}
  .nav-links.open{transform:translateX(0)}
  .nav-links a{font-size:1.1rem}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-right:none;border-bottom:1px solid rgba(255,255,255,.12)}
  .about,.contact-grid{grid-template-columns:1fr;gap:2.5rem}
  .about-media{max-width:420px}
  .services-grid,.sustain-points{grid-template-columns:1fr}
  .proj-top,.proj-bottom{grid-template-columns:1fr}
  .proj-top .proj,.proj-bottom .proj{height:240px}
  .contact-form .row{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;text-align:center;gap:1.5rem}
  .footer-nav{justify-content:center}
  .topbar-inner{font-size:.68rem;gap:.5rem}
  .topbar-right{gap:.9rem}
  .hero{min-height:80vh}
  .hero h1{font-size:clamp(2rem,9vw,3rem)}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{text-align:center}
  section{padding:4rem 1.3rem}
}
@media(max-width:480px){
  .stats{grid-template-columns:1fr 1fr}
  .footer-logo img{height:72px;margin:0 auto}
}

/* Fail-safe: if JS/IntersectionObserver doesn't run, force reveal sections visible after 1.2s */
@keyframes revealFallback{to{opacity:1;transform:none}}
.reveal{animation:revealFallback 0s linear 1.2s forwards}
.reveal.visible{opacity:1!important;transform:none!important;animation:none}