/* ═══════════ RESET & BASE ═══════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:hsl(213,58%,38%);
  --primary-light:hsl(213,58%,50%);
  --accent:hsl(48, 68%, 40%);
  --accent-hover:hsl(48, 68%, 50%)
  --foreground:hsl(215,25%,17%);
  --foreground-70:hsl(215,25%,17%,0.7);
  --muted:hsl(215,13%,50%);
  --background:hsl(210,20%,98%);
  --card:hsl(0,0%,100%);
  --border:hsl(214,20%,90%);
  --radius:0.5rem;
}
html{scroll-behavior:smooth}
body{font-family:'DM Sans','Segoe UI',Arial,sans-serif;color:var(--foreground);background:var(--background);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Plus Jakarta Sans','DM Sans',sans-serif;font-weight:700;letter-spacing:-0.02em;line-height:1.2}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 1rem}

/* ═══════════ UTILITIES ═══════════ */
.text-primary{color:var(--primary)}
.text-accent{color:var(--accent)}
.bg-primary{background:var(--primary)}
.bg-card{background:var(--card)}
.bg-background{background:var(--background)}
.tag{color:var(--accent);font-weight:600;font-size:.8rem;letter-spacing:.15em;text-transform:uppercase;margin-bottom:.75rem}
.section{padding:5rem 1rem}
.section-header{text-align:center;margin-bottom:4rem;max-width:800px;margin-left:auto;margin-right:auto}
.section-header h2{font-size:clamp(1.8rem,4vw,3rem);margin-bottom:.5rem}
.section-desc{color:var(--muted);font-size:1.1rem;line-height:1.7;margin-top:1rem}

/* ═══════════ BUTTONS ═══════════ */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;border:none;border-radius:var(--radius);cursor:pointer;font-size:.95rem;padding:.75rem 1.5rem;transition:all .3s}
.btn-cta{background:var(--accent);color:#fff}
.btn-cta:hover{background:hsl(48, 68%, 50%);}
.btn-hero{background:var(--accent);color:#fff;padding:1rem 2rem;font-size:1.05rem;border-radius:var(--radius)}
.btn-hero:hover{background:hsl(48, 68%, 50%);}
.btn-outline-light{background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;padding:1rem 2rem;font-size:1.05rem}
.btn-outline-light:hover{background:rgba(255,255,255,.1)}

/* ═══════════ NAVBAR ═══════════ */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;height:4.5rem}
.nav-logo img{height:3rem}
.nav-links{display:flex;gap:2rem}
.nav-links a{font-size:.9rem;font-weight:500;color:var(--foreground-70);transition:color .2s}
.nav-links a:hover{color:var(--primary)}
.nav-cta{display:inline-flex}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:.5rem}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--foreground);transition:all .3s}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ═══════════ HERO ═══════════ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to right,rgba(30,40,55,.8),rgba(30,40,55,.5),transparent)}
.hero-content{position:relative;padding-top:5rem}
.hero-content .tag{color:var(--accent)}
.hero-content h1{font-size:clamp(2.2rem,5vw,4.5rem);color:#fff;margin-bottom:1.5rem;max-width:650px}
.hero-sub{font-size:1.15rem;color:rgba(255,255,255,.8);max-width:500px;margin-bottom:2.5rem;line-height:1.7}
.hero-buttons{display:flex;gap:1rem;flex-wrap:wrap}

/* ═══════════ GRIDS ═══════════ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:2rem}

/* ═══════════ FEATURE CARDS ═══════════ */
.feature-card{text-align:center;padding:2rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--background);transition:all .3s}
.feature-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.08)}
.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:3.5rem;height:3.5rem;border-radius:var(--radius);background:hsl(213 58% 38% / .1);color:var(--primary);margin-bottom:1.5rem;transition:all .3s}
.feature-card:hover .feature-icon{background:var(--primary);color:#fff}
.feature-card h3{font-size:1.15rem;margin-bottom:.75rem}
.feature-card p{color:var(--muted);font-size:.95rem;line-height:1.6}

/* ═══════════ SERVICE CARDS ═══════════ */
.service-card{position:relative;padding:2rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--card);overflow:hidden;transition:all .3s}
.service-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.08)}
.service-bar{position:absolute;top:0;left:0;width:3px;height:0;background:var(--accent);transition:height .5s;border-radius:var(--radius) 0 0 var(--radius)}
.service-card:hover .service-bar{height:100%}
.service-icon{display:inline-flex;align-items:center;justify-content:center;width:3rem;height:3rem;border-radius:var(--radius);background:hsl(213 58% 38% / .1);color:var(--primary);margin-bottom:1.25rem;transition:all .3s}
.service-card:hover .service-icon{background:var(--accent);color:#fff}
.service-card h3{font-size:1.1rem;margin-bottom:.5rem}
.service-card p{color:var(--muted);font-size:.9rem;line-height:1.6}

/* ═══════════ WHY CHOOSE US ═══════════ */
.bg-primary.text-white{background:var(--primary);color:#fff}
.bg-primary .tag{color:var(--accent)}
.reason{text-align:center}
.reason-icon{display:inline-flex;align-items:center;justify-content:center;width:4rem;height:4rem;border-radius:50%;background:rgba(255,255,255,.1);margin-bottom:1.25rem;transition:all .3s}
.reason:hover .reason-icon{background:var(--accent);color:#fff}
.reason h3{font-size:1.05rem;margin-bottom:.5rem}
.reason p{color:rgba(255,255,255,.7);font-size:.9rem;line-height:1.5}

/* ═══════════ PROJECT CARDS ═══════════ */
.project-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:var(--background);transition:all .3s}
.project-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.08)}
.project-img{aspect-ratio:4/3;overflow:hidden}
.project-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.project-card:hover .project-img img{transform:scale(1.05)}
.project-info{padding:1.25rem}
.project-info h3{font-size:1.1rem}
.project-info p{color:var(--muted);font-size:.9rem}

/* ═══════════ CITIES ═══════════ */
.cities{display:flex;flex-wrap:wrap;justify-content:center;gap:.75rem}
.city-badge{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem 1rem;border-radius:999px;background:var(--card);border:1px solid var(--border);font-size:.9rem;font-weight:500;transition:all .2s}
.city-badge:hover{border-color:var(--primary);color:var(--primary)}

/* ═══════════ CONTACT ═══════════ */
.contact-grid{display:grid;grid-template-columns:2fr 3fr;gap:3rem;max-width:900px;margin:0 auto}
.contact-info{display:flex;flex-direction:column;gap:2rem}
.contact-item{display:flex;align-items:flex-start;gap:1rem}
.contact-icon{width:2.5rem;height:2.5rem;border-radius:var(--radius);background:hsl(213 58% 38% / .1);display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}
.contact-item strong{display:block;margin-bottom:.15rem}
.contact-item span{color:var(--muted);font-size:.9rem}
.contact-form{display:flex;flex-direction:column;gap:1.25rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
.contact-form input,.contact-form textarea{width:100%;padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius);font-family:inherit;font-size:.95rem;background:var(--background);transition:border .2s;outline:none}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--primary)}
.contact-form textarea{resize:none}

/* ═══════════ FOOTER ═══════════ */
.footer{background:var(--foreground);color:rgba(255,255,255,.6);padding:3rem 1rem}
.footer-inner{display:flex;align-items:center;justify-content:space-between}
.footer-logo img{height:2.5rem;filter:brightness(200%)}
.footer-links{display:flex;gap:2rem;font-size:.9rem}
.footer-links a:hover{color:#fff}
.footer-copy{text-align:center;border-top:1px solid rgba(255,255,255,.1);margin-top:2rem;padding-top:2rem;font-size:.85rem}

/* ═══════════ RESPONSIVE ═══════════ */
@media(max-width:1024px){
  .grid-5{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
  .grid-3,.grid-5{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:4.5rem;left:0;right:0;background:var(--card);padding:1.5rem;border-bottom:1px solid var(--border);gap:1rem}
  .footer-inner{flex-direction:column;gap:1.5rem;text-align:center}
  .hero-buttons{flex-direction:column}
  .hero-buttons .btn{width:100%;justify-content:center}
}