/* =============================================================
   FIS RENOVATION & CONSTRUCTION — STYLESHEET
   Design tokens, base, layout, components, responsive, themes
   ============================================================= */

/* ---------- 1. DESIGN TOKENS ---------- */
:root{
  /* brand palette */
  --charcoal:#111827;
  --dark-gray:#1F2937;
  --concrete:#6B7280;
  --white:#FFFFFF;
  --off-white:#F9FAFB;
  --accent:#F97316;
  --accent-dark:#EA6A0C;
  /* blueprint-blue: used in place of the old yellow/gold accent (hero eyebrow, ratings) */
  --steel:#38BDF8;

  /* semantic (light theme default) */
  --bg:#FFFFFF;
  --bg-alt:#F9FAFB;
  --bg-dark:#111827;
  --bg-dark-alt:#1F2937;
  --text:#111827;
  --text-soft:#4B5563;
  --text-on-dark:#F9FAFB;
  --text-on-dark-soft:#9CA3AF;
  --line:#E5E7EB;
  --line-dark:rgba(255,255,255,0.1);
  --card-bg:#FFFFFF;
  --shadow:0 10px 30px rgba(17,24,39,0.08);
  --shadow-lg:0 20px 50px rgba(17,24,39,0.14);

  /* type */
  --font-display:'Archivo', 'Segoe UI', sans-serif;
  --font-body:'Inter', 'Segoe UI', sans-serif;

  /* layout */
  --container:1220px;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --nav-h:78px;

  --ease:cubic-bezier(.22,.9,.32,1);
}

[data-theme="dark"]{
  --bg:#111827;
  --bg-alt:#0C1220;
  --bg-dark:#0B1120;
  --bg-dark-alt:#161F30;
  --text:#F3F4F6;
  --text-soft:#9CA3AF;
  --line:rgba(255,255,255,0.08);
  --card-bg:#1A2333;
  --shadow:0 10px 30px rgba(0,0,0,0.35);
  --shadow-lg:0 20px 50px rgba(0,0,0,0.5);
}

/* ---------- 2. RESET / BASE ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth; scroll-padding-top:var(--nav-h);}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background .3s var(--ease), color .3s var(--ease);
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{list-style:none; margin:0; padding:0;}
button{font-family:inherit; cursor:pointer;}
h1,h2,h3,h4{font-family:var(--font-display); line-height:1.15; margin:0 0 .5em; color:var(--text);}
p{margin:0 0 1em; color:var(--text-soft); line-height:1.7;}
.container{max-width:var(--container); margin:0 auto; padding:0 24px;}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important;}
}

.skip-link{
  position:absolute; left:-9999px; top:0; background:var(--accent); color:#fff;
  padding:12px 20px; z-index:200; border-radius:0 0 8px 0;
}
.skip-link:focus{left:0;}

:focus-visible{outline:3px solid var(--accent); outline-offset:2px;}

/* ---------- 3. SHARED TYPOGRAPHY ---------- */
.eyebrow{
  font-family:var(--font-body);
  text-transform:uppercase; letter-spacing:.14em; font-size:.78rem; font-weight:700;
  color:var(--accent); margin:0 0 .8em; display:flex; align-items:center; gap:.6em;
}
.eyebrow::before{content:""; width:22px; height:2px; background:var(--accent); display:inline-block;}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem); font-weight:800;}
.section-sub{max-width:640px; font-size:1.02rem;}
.section-head{max-width:720px; margin:0 0 3rem;}
.section-head.light h2, .section-head.light .section-sub, .section-head.light .eyebrow{color:var(--text-on-dark);}
.section-head.light .section-sub{color:var(--text-on-dark-soft);}

/* buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  padding:.85em 1.6em; border-radius:var(--radius-sm); font-weight:700; font-size:.95rem;
  border:2px solid transparent; transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  white-space:nowrap;
}
.btn-lg{padding:1em 1.9em; font-size:1rem;}
.btn-accent{background:var(--accent); color:#fff;}
.btn-accent:hover{background:var(--accent-dark); transform:translateY(-2px); box-shadow:0 12px 24px rgba(249,115,22,.3);}
.btn-outline{border-color:rgba(255,255,255,.5); color:#fff; background:rgba(255,255,255,.05); backdrop-filter:blur(6px);}
.btn-outline:hover{background:#fff; color:var(--charcoal); transform:translateY(-2px);}
.btn-dark{background:var(--charcoal); color:#fff;}
.btn-dark:hover{background:#000; transform:translateY(-2px);}
.btn-whatsapp{background:#25D366; color:#fff;}
.btn-whatsapp:hover{background:#1DA851; transform:translateY(-2px); box-shadow:0 12px 24px rgba(37,211,102,.3);}

/* reveal-on-scroll */
.reveal{opacity:0; transform:translateY(24px); transition:opacity .7s var(--ease), transform .7s var(--ease);}
.reveal.in-view{opacity:1; transform:translateY(0);}

/* ---------- 4. HEADER / NAV ---------- */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(255,255,255,.86); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
[data-theme="dark"] .site-header{background:rgba(17,24,39,.85);}
.site-header.scrolled{border-bottom-color:var(--line); box-shadow:0 4px 20px rgba(0,0,0,.06);}

.nav-wrap{
  max-width:var(--container); margin:0 auto; padding:0 24px;
  height:var(--nav-h); display:flex; align-items:center; gap:1.5rem;
}
.logo{display:flex; align-items:center; flex-shrink:0; margin-right:auto;}
.logo img{max-height:55px; width:auto; display:block;}
.logo-text{display:inline-flex; flex-direction:column; line-height:1.1;}
.logo-mark{font-family:var(--font-display); font-weight:900; font-size:1.5rem; color:var(--accent);}
.logo-sub{font-size:.55rem; letter-spacing:.12em; text-transform:uppercase; color:var(--text-soft); font-weight:700;}

.main-nav ul{display:flex; gap:1.9rem;}
.main-nav a{
  font-size:.92rem; font-weight:600; color:var(--text); position:relative; padding:.4em 0;
}
.main-nav a::after{
  content:""; position:absolute; left:0; bottom:0; width:0; height:2px; background:var(--accent);
  transition:width .25s var(--ease);
}
.main-nav a:hover::after{width:100%;}

.nav-actions{display:flex; align-items:center; gap:1.1rem; flex-shrink:0;}
.lang-switch{display:flex; align-items:center; gap:.4rem; font-size:.8rem; font-weight:700; color:var(--text-soft);}
.lang-btn{background:none; border:none; color:var(--text-soft); padding:2px 4px;}
.lang-btn.active{color:var(--accent);}
.theme-toggle{
  background:none; border:1px solid var(--line); border-radius:50%; width:38px; height:38px;
  display:flex; align-items:center; justify-content:center; color:var(--text); flex-shrink:0;
  transition:border-color .25s var(--ease), background .25s var(--ease);
}
.theme-toggle:hover{border-color:var(--accent); color:var(--accent);}
.icon-moon{display:none;}
[data-theme="dark"] .icon-sun{display:none;}
[data-theme="dark"] .icon-moon{display:block;}

.nav-cta{padding:.65em 1.3em; font-size:.86rem;}

.hamburger{display:none; flex-direction:column; justify-content:center; gap:5px; width:34px; height:34px; background:none; border:none; padding:0; flex-shrink:0;}
.hamburger span{display:block; width:100%; height:2px; background:var(--text); border-radius:2px; transition:transform .3s var(--ease), opacity .3s var(--ease);}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-nav{
  position:fixed; top:0; right:0; height:100vh; width:min(82vw,340px);
  background:var(--bg); box-shadow:-10px 0 40px rgba(0,0,0,.18);
  transform:translateX(100%); transition:transform .35s var(--ease);
  z-index:150; padding:calc(var(--nav-h) + 1rem) 1.6rem 2rem; overflow-y:auto;
  display:flex; flex-direction:column;
}
.mobile-nav.open{transform:translateX(0);}
.mobile-nav ul{display:flex; flex-direction:column; gap:.3rem;}
.mobile-nav a{display:block; padding:.9rem 0; font-size:1.1rem; font-weight:700; border-bottom:1px solid var(--line);}
.mobile-nav-footer{margin-top:auto; display:flex; flex-direction:column; gap:.9rem; padding-top:1.5rem;}
.mobile-nav-footer .btn{width:100%;}
.mobile-nav-backdrop{
  position:fixed; inset:0; background:rgba(17,24,39,.5); z-index:140;
  opacity:0; pointer-events:none; transition:opacity .3s var(--ease);
}
.mobile-nav-backdrop.open{opacity:1; pointer-events:auto;}

/* ---------- 5. HERO ---------- */
.hero{position:relative; min-height:92vh; display:flex; align-items:flex-end; overflow:hidden; color:#fff;}
.hero-media{position:absolute; inset:0; z-index:0;}
.hero-img,.hero-video{position:absolute; inset:0; width:100%; height:100%; object-fit:cover;}
.hero-video[data-enabled="false"]{display:none;}
.hero-overlay{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(17,24,39,.55) 0%, rgba(17,24,39,.72) 55%, rgba(17,24,39,.92) 100%);
}
/* signature: faint blueprint grid overlay evoking architectural drawings */
.hero-grid{
  position:absolute; inset:0; pointer-events:none; opacity:.12;
  background-image:
    linear-gradient(rgba(255,255,255,.6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.6) 1px, transparent 1px);
  background-size:48px 48px;
}
.hero-content{position:relative; z-index:1; padding-bottom:5.5rem; padding-top:calc(var(--nav-h) + 3rem); max-width:820px;}
.hero .eyebrow{color:var(--steel);}
.hero .eyebrow::before{background:var(--steel);}
.hero h1{font-size:clamp(2rem,5.2vw,3.4rem); font-weight:900; color:#fff; letter-spacing:-.01em;}
.hero-sub{color:rgba(255,255,255,.86); font-size:1.08rem; max-width:640px;}
.hero-ctas{display:flex; flex-wrap:wrap; gap:.9rem; margin:1.6rem 0 1.4rem;}
.hero-trust{
  color:rgba(255,255,255,.7); font-size:.82rem; letter-spacing:.1em; text-transform:uppercase; font-weight:600; margin:0;
}
.scroll-indicator{
  position:absolute; bottom:1.8rem; left:50%; transform:translateX(-50%); z-index:1;
  width:26px; height:42px; border:2px solid rgba(255,255,255,.5); border-radius:20px;
}
.scroll-indicator span{
  display:block; width:4px; height:8px; background:var(--accent); border-radius:2px;
  margin:6px auto 0; animation:scrollDown 1.8s infinite;
}
@keyframes scrollDown{0%{transform:translateY(0); opacity:1;} 70%{opacity:0;} 100%{transform:translateY(14px); opacity:0;}}

/* ---------- 6. TRUST BAR ---------- */
.trust-bar{background:var(--bg-alt); padding:3.2rem 0; border-bottom:1px solid var(--line);}
.trust-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:2rem;}
.trust-item{text-align:left; padding-left:1.2rem; border-left:3px solid var(--accent);}
.trust-icon{color:var(--accent); margin-bottom:.7rem;}
.trust-item h3{font-size:1.02rem; margin-bottom:.3rem;}
.trust-item p{font-size:.9rem; margin:0;}

/* ---------- 7. ABOUT ---------- */
.about{padding:6.5rem 0;}
.about-grid{display:grid; grid-template-columns:.85fr 1.15fr; gap:4rem; align-items:center;}
.about-media{position:relative;}
.about-media img{border-radius:var(--radius-lg); box-shadow:var(--shadow-lg); width:100%; aspect-ratio:5/6; object-fit:cover;}
.about-badge{
  position:absolute; left:-1.4rem; bottom:-1.4rem; background:var(--charcoal); color:#fff;
  padding:1rem 1.3rem; border-radius:var(--radius-md); display:flex; flex-direction:column; gap:.15rem;
  box-shadow:var(--shadow-lg); border-left:4px solid var(--accent); max-width:220px;
}
.badge-mark{font-family:var(--font-display); font-weight:900; color:var(--accent); font-size:1.1rem;}
.about-badge span:last-child{font-size:.78rem; color:rgba(255,255,255,.8); font-weight:600;}
.about-points{margin:1.4rem 0 1.8rem; display:flex; flex-direction:column; gap:.6rem;}
.about-points li{position:relative; padding-left:1.6rem; font-weight:600; color:var(--text);}
.about-points li::before{content:"›"; position:absolute; left:0; color:var(--accent); font-weight:900; font-size:1.2rem; line-height:1;}
.about-ctas{display:flex; gap:1rem; flex-wrap:wrap;}

/* ---------- 8. SERVICES ---------- */
.services{padding:6.5rem 0; background:var(--bg-alt);}
.services-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:1.7rem;}
.service-card{
  background:var(--card-bg); border-radius:var(--radius-md); overflow:hidden; box-shadow:var(--shadow);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease); border:1px solid var(--line);
}
.service-card:hover{transform:translateY(-6px); box-shadow:var(--shadow-lg);}
.service-img{aspect-ratio:4/2.6; overflow:hidden;}
.service-img img{width:100%; height:100%; object-fit:cover; transition:transform .5s var(--ease);}
.service-card:hover .service-img img{transform:scale(1.08);}
.service-body{padding:1.4rem 1.4rem 1.6rem;}
.service-icon{
  width:42px; height:42px; border-radius:10px; background:rgba(249,115,22,.1); color:var(--accent);
  display:flex; align-items:center; justify-content:center; margin-bottom:.8rem;
}
.service-body h3{font-size:1.06rem; margin-bottom:.4rem;}
.service-body p{font-size:.9rem; margin-bottom:.9rem;}
.service-link{color:var(--accent); font-weight:700; font-size:.88rem;}
.service-link:hover{text-decoration:underline;}

/* ---------- 9. PROJECTS / GALLERY ---------- */
.projects{padding:6.5rem 0; background:var(--bg-dark); color:var(--text-on-dark);}
.filter-bar{display:flex; flex-wrap:wrap; gap:.7rem; margin-bottom:2.6rem;}
.filter-btn{
  background:transparent; border:1px solid var(--line-dark); color:var(--text-on-dark-soft);
  padding:.55em 1.2em; border-radius:30px; font-size:.85rem; font-weight:600; transition:all .25s var(--ease);
}
.filter-btn:hover{border-color:var(--accent); color:#fff;}
.filter-btn.active{background:var(--accent); border-color:var(--accent); color:#fff;}
.gallery-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem;}
.gallery-item{
  position:relative; border-radius:var(--radius-md); overflow:hidden; cursor:pointer; margin:0;
  transition:opacity .3s var(--ease), transform .3s var(--ease);
}
.gallery-item.hidden{display:none;}
.gallery-item img{width:100%; aspect-ratio:5/4; object-fit:cover; transition:transform .5s var(--ease);}
.gallery-item:hover img{transform:scale(1.06);}
.gallery-item figcaption{
  position:absolute; left:0; right:0; bottom:0; padding:1.6rem 1.2rem 1.1rem;
  background:linear-gradient(0deg, rgba(0,0,0,.82), transparent);
}
.gallery-item h3{color:#fff; font-size:1rem; margin-bottom:.15rem;}
.gallery-meta{color:rgba(255,255,255,.7); font-size:.78rem; margin:0;}

/* ---------- 11. PROCESS ---------- */
.process{padding:6.5rem 0; background:var(--bg-dark-alt); color:var(--text-on-dark);
  background-image:linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:64px 64px;
}
.process-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1.8rem;}
.process-step{
  background:rgba(255,255,255,.04); border:1px solid var(--line-dark); border-radius:var(--radius-md);
  padding:1.8rem 1.6rem; position:relative;
}
.step-num{
  font-family:var(--font-display); font-weight:900; font-size:2.1rem; color:var(--accent); opacity:.55;
  display:block; margin-bottom:.4rem;
}
.step-icon{color:var(--accent); margin-bottom:.7rem;}
.process-step h3{color:#fff; font-size:1.05rem;}
.process-step p{color:var(--text-on-dark-soft); font-size:.9rem; margin:0;}

/* ---------- 12. WHY CHOOSE ---------- */
.why-choose{padding:6.5rem 0; background:var(--bg-alt);}
.why-grid{display:grid; grid-template-columns:.9fr 1.1fr; gap:3.5rem; align-items:start;}
.why-list{display:grid; grid-template-columns:1fr 1fr; gap:1rem 1.6rem;}
.why-list li{
  display:flex; align-items:center; gap:.8rem; background:var(--card-bg); border:1px solid var(--line);
  padding:1rem 1.2rem; border-radius:var(--radius-sm); font-weight:700; font-size:.95rem;
}
.why-check{
  flex-shrink:0; width:26px; height:26px; border-radius:50%; background:var(--accent); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:.8rem;
}

/* ---------- 13. SERVICE AREA ---------- */
.service-area{padding:6.5rem 0; background:var(--bg-dark); color:var(--text-on-dark);}
.areas-layout{display:grid; grid-template-columns:.9fr 1.1fr; gap:3rem; align-items:center;}
.areas-map{color:var(--text-on-dark-soft); aspect-ratio:1/1; max-width:340px;}
.areas-list{display:grid; grid-template-columns:repeat(2,1fr); gap:.8rem 1.5rem;}
.areas-list li{
  padding:.7rem 1rem; border:1px solid var(--line-dark); border-radius:8px; font-weight:600; font-size:.92rem;
  border-left:3px solid var(--accent); color:var(--text-on-dark);
}

/* ---------- 14. TESTIMONIALS ---------- */
.testimonials{padding:6.5rem 0;}
.testimonial-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1.6rem;}
.testimonial-card{
  background:var(--card-bg); border:1px solid var(--line); border-radius:var(--radius-md);
  padding:1.8rem; margin:0; box-shadow:var(--shadow);
}
.stars{color:var(--accent); letter-spacing:.15em; margin-bottom:.7rem; font-size:.95rem;}
.testimonial-card p{font-style:italic; color:var(--text); margin-bottom:1.2rem;}
.testimonial-card footer{display:flex; flex-direction:column; gap:.1rem;}
.testi-name{font-weight:700; font-size:.92rem;}
.testi-meta{font-size:.8rem; color:var(--text-soft);}
.testi-disclaimer{font-size:.78rem; color:var(--text-soft); margin-top:1.5rem; text-align:center; opacity:.8;}

/* ---------- 15. FAQ ---------- */
.faq{padding:6.5rem 0; background:var(--bg-dark-alt); color:var(--text-on-dark);}
.faq-list{max-width:820px;}
.faq-item{border-bottom:1px solid var(--line-dark);}
.faq-question{
  width:100%; background:none; border:none; display:flex; justify-content:space-between; align-items:center;
  padding:1.3rem 0; text-align:left; font-size:1rem; font-weight:700; color:#fff;
}
.faq-icon{color:var(--accent); font-size:1.4rem; font-weight:400; transition:transform .3s var(--ease); flex-shrink:0; margin-left:1rem;}
.faq-question[aria-expanded="true"] .faq-icon{transform:rotate(45deg);}
.faq-answer{max-height:0; overflow:hidden; transition:max-height .35s var(--ease);}
.faq-answer p{color:var(--text-on-dark-soft); padding-bottom:1.2rem; margin:0; font-size:.94rem;}

/* ---------- 16. CONTACT ---------- */
.contact{padding:6.5rem 0;}
.contact-grid{display:grid; grid-template-columns:.85fr 1.15fr; gap:3.5rem;}
.contact-details{display:flex; flex-direction:column; gap:1rem; margin:1.6rem 0;}
.contact-details li{display:flex; align-items:center; gap:.8rem; color:var(--text); font-weight:600;}
.contact-details svg{color:var(--accent); flex-shrink:0;}
.map-embed{border-radius:var(--radius-md); overflow:hidden; box-shadow:var(--shadow); border:1px solid var(--line);}

.contact-form{background:var(--card-bg); border:1px solid var(--line); border-radius:var(--radius-lg); padding:2.2rem; box-shadow:var(--shadow-lg);}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:1.2rem;}
.form-group{margin-bottom:1.2rem;}
.form-group-full{grid-column:1/-1;}
.form-group label{display:block; font-size:.85rem; font-weight:700; margin-bottom:.4rem; color:var(--text);}
.form-group input, .form-group select, .form-group textarea{
  width:100%; padding:.75em .9em; border:1.5px solid var(--line); border-radius:var(--radius-sm);
  background:var(--bg); color:var(--text); font-family:inherit; font-size:.94rem;
  transition:border-color .25s var(--ease);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus{border-color:var(--accent);}
.form-group textarea{resize:vertical;}
.form-error{display:none; color:#DC2626; font-size:.8rem; margin-top:.3rem;}
.form-group.invalid input, .form-group.invalid select, .form-group.invalid textarea{border-color:#DC2626;}
.form-group.invalid .form-error{display:block;}
.btn-submit{width:100%; margin-top:.4rem;}
.form-status{margin-top:1rem; font-weight:600; font-size:.92rem; text-align:center;}
.form-status.success{color:#16A34A;}

/* ---------- 17. FOOTER ---------- */
.site-footer{background:var(--charcoal); color:rgba(255,255,255,.85); padding:5rem 0 0;}
.footer-grid{display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr 1.1fr; gap:2.5rem; padding-bottom:3.5rem; border-bottom:1px solid rgba(255,255,255,.1);}
.footer-logo{font-family:var(--font-display); font-weight:900; font-size:1.3rem; color:#fff; margin-bottom:1rem;}
.footer-logo span{display:block; font-size:.6rem; letter-spacing:.12em; text-transform:uppercase; font-weight:700; color:var(--accent); margin-top:.2rem;}
.footer-brand p{color:rgba(255,255,255,.6); font-size:.9rem;}
.social-icons{display:flex; gap:.7rem; margin-top:1rem;}
.social-icon{
  width:36px; height:36px; border-radius:50%; border:1px solid rgba(255,255,255,.2); color:#fff;
  display:flex; align-items:center; justify-content:center; transition:all .25s var(--ease);
}
.social-icon:hover{background:var(--accent); border-color:var(--accent);}
.footer-col h4{color:#fff; font-size:.92rem; text-transform:uppercase; letter-spacing:.06em; margin-bottom:1.1rem;}
.footer-col ul{display:flex; flex-direction:column; gap:.65rem;}
.footer-col a, .footer-col li{color:rgba(255,255,255,.62); font-size:.9rem;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  max-width:var(--container); margin:0 auto; padding:1.6rem 24px; display:flex; justify-content:space-between;
  flex-wrap:wrap; gap:.8rem; font-size:.82rem; color:rgba(255,255,255,.5);
}
.footer-legal{display:flex; gap:1.4rem;}
.footer-legal a:hover{color:var(--accent);}

/* ---------- 18. FLOATING WHATSAPP ---------- */
.whatsapp-float{
  position:fixed; right:22px; bottom:22px; z-index:90; width:58px; height:58px; border-radius:50%;
  background:#25D366; color:#fff; display:flex; align-items:center; justify-content:center;
  box-shadow:0 8px 24px rgba(37,211,102,.4); transition:transform .25s var(--ease);
}
.whatsapp-float:hover{transform:scale(1.08);}

/* ---------- 19. LIGHTBOX ---------- */
.lightbox{
  position:fixed; inset:0; background:rgba(10,12,18,.94); z-index:200;
  display:flex; align-items:center; justify-content:center; flex-direction:column; padding:2rem;
}
.lightbox[hidden]{display:none;}
.lightbox img{max-width:90vw; max-height:78vh; border-radius:10px; box-shadow:0 20px 60px rgba(0,0,0,.5);}
.lightbox-caption{color:#fff; margin-top:1rem; font-size:.95rem;}
.lightbox-close{position:absolute; top:1.4rem; right:1.6rem; background:none; border:none; color:#fff; font-size:2.2rem; line-height:1;}
.lightbox-nav{
  position:absolute; top:50%; transform:translateY(-50%); background:rgba(255,255,255,.1); border:none; color:#fff;
  width:50px; height:50px; border-radius:50%; font-size:1.8rem; display:flex; align-items:center; justify-content:center;
  transition:background .25s var(--ease);
}
.lightbox-nav:hover{background:var(--accent);}
.lightbox-prev{left:1.4rem;}
.lightbox-next{right:1.4rem;}

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width:1080px){
  .services-grid{grid-template-columns:repeat(3,1fr);}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;}
}

@media (max-width:900px){
  .main-nav, .nav-actions .lang-switch, .nav-cta{display:none;}
  .hamburger{display:flex;}
  .about-grid, .why-grid, .areas-layout, .contact-grid{grid-template-columns:1fr;}
  .about-media{max-width:420px; margin:0 auto 2.5rem;}
  .services-grid{grid-template-columns:repeat(2,1fr);}
  .process-grid{grid-template-columns:1fr 1fr;}
  .why-list{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .testimonial-grid{grid-template-columns:1fr;}
}

@media (max-width:640px){
  :root{--nav-h:66px;}
  .nav-actions{gap:.6rem;}
  .theme-toggle{width:34px; height:34px;}
  .hero{min-height:100vh;}
  .hero-content{padding-top:calc(var(--nav-h) + 1.5rem);}
  .hero-ctas{flex-direction:column; align-items:stretch;}
  .hero-ctas .btn{width:100%;}
  .services-grid{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:1fr;}
  .process-grid{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column; text-align:center;}
  .areas-list{grid-template-columns:1fr 1fr;}
  .contact-form{padding:1.5rem;}
  .whatsapp-float{width:52px; height:52px; right:16px; bottom:16px;}
}

/* prevent any horizontal scroll from wide elements */
html, body{max-width:100%;}