/* ===================================================
   Crossmetrik Structural Consultancy — Design System
   =================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&display=swap');

/* ---------- Tokens ---------- */
:root {
  --navy:       #1B2D5B;
  --navy-light: #253d75;
  --navy-dark:  #0F1A38;
  --copper:     #C87B5A;
  --copper-light:#D4956F;
  --copper-dark: #A8613F;
  --bg-warm:    #F5F1ED;
  --bg-white:   #FFFFFF;
  --text-dark:  #1B2D5B;
  --text-body:  #3E4A66;
  --text-light: #CBD5E1;
  --text-muted: #8896AB;
  --border:     #DDE3EC;
  --shadow-sm:  0 2px 8px rgba(15,26,56,.08);
  --shadow-md:  0 8px 30px rgba(15,26,56,.12);
  --shadow-lg:  0 20px 60px rgba(15,26,56,.18);
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --transition: .35s cubic-bezier(.4,0,.2,1);
  --font-heading:'Playfair Display', Georgia, serif;
  --font-body:  'Inter', -apple-system, sans-serif;
  --container:  1200px;
  --nav-height: 80px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-body);color:var(--text-body);background:var(--bg-white);line-height:1.7;overflow-x:hidden}
body.menu-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;border:none;outline:none}

/* ---------- Typography ---------- */
h1,h2,h3,h4,h5{font-family:var(--font-heading);color:var(--text-dark);line-height:1.2;font-weight:700}
h1{font-size:clamp(2.2rem,5vw,3.8rem)}
h2{font-size:clamp(1.8rem,3.5vw,2.8rem)}
h3{font-size:clamp(1.3rem,2.5vw,1.8rem)}
h4{font-size:1.2rem}
p{margin-bottom:1rem}

/* ---------- Container ---------- */
.container{width:90%;max-width:var(--container);margin:0 auto}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 2rem;border-radius:var(--radius-sm);font-weight:600;font-size:.95rem;cursor:pointer;transition:var(--transition);letter-spacing:.02em;border:2px solid transparent}
.btn-primary{background:var(--copper);color:#fff;border-color:var(--copper)}
.btn-primary:hover{background:var(--copper-dark);border-color:var(--copper-dark);transform:translateY(-2px);box-shadow:0 8px 25px rgba(200,123,90,.35)}
.btn-outline{background:transparent;color:#fff;border-color:#fff}
.btn-outline:hover{background:#fff;color:var(--navy)}
.btn-navy{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn-navy:hover{background:var(--navy-light);transform:translateY(-2px);box-shadow:0 8px 25px rgba(27,45,91,.35)}

/* ============ NAVBAR ============ */
.navbar{position:fixed;top:0;left:0;width:100%;z-index:1000;padding:0 5%;transition:var(--transition);background:transparent}
.navbar.scrolled{background:rgba(15,26,56,.97);backdrop-filter:blur(10px);box-shadow:var(--shadow-md)}
.navbar .nav-inner{display:flex;align-items:center;justify-content:space-between;height:var(--nav-height)}
.navbar .logo img{height:50px;transition:var(--transition)}
.navbar.scrolled .logo img{height:42px}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-link{color:#fff;font-weight:500;font-size:.95rem;position:relative;padding:.25rem 0;transition:var(--transition)}
.nav-link::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--copper);transition:var(--transition)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link:hover{color:var(--copper-light)}
.nav-link.active{color:var(--copper-light)}
.nav-cta{margin-left:.5rem}

/* Hamburger */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;z-index:1001}
.hamburger span{display:block;width:26px;height:2.5px;background:#fff;border-radius:3px;transition:var(--transition)}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ============ HERO ============ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--navy-dark)}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(15,26,56,.82) 0%,rgba(27,45,91,.65) 50%,rgba(200,123,90,.2) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;max-width:820px;padding:0 2rem}
.hero-content h1{color:#fff;margin-bottom:1rem}
.hero-content h1 span{color:var(--copper-light)}
.hero-tagline{font-family:var(--font-heading);font-style:italic;font-size:clamp(1.1rem,2vw,1.4rem);color:var(--copper-light);margin-bottom:1.5rem;letter-spacing:.04em}
.hero-desc{color:rgba(255,255,255,.85);font-size:1.1rem;margin-bottom:2.5rem;max-width:600px;margin-left:auto;margin-right:auto}
.hero-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* Page hero (inner pages) */
.page-hero{position:relative;height:45vh;min-height:320px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--navy-dark)}
.page-hero .hero-content h1{margin-bottom:.5rem}
.page-hero .hero-content p{color:rgba(255,255,255,.8);font-size:1.1rem}
.breadcrumb{color:rgba(255,255,255,.6);font-size:.9rem;margin-top:1rem}
.breadcrumb a{color:var(--copper-light)}
.breadcrumb a:hover{text-decoration:underline}

/* ============ SECTIONS ============ */
.section{padding:6rem 0}
.section-dark{background:var(--navy-dark);color:#fff}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff}
.section-warm{background:var(--bg-warm)}
.section-header{text-align:center;margin-bottom:3.5rem}
.section-header h2{margin-bottom:.75rem}
.section-label{display:inline-block;font-size:.8rem;font-weight:700;color:var(--copper);text-transform:uppercase;letter-spacing:.15em;margin-bottom:.75rem}
.section-header p{color:var(--text-muted);max-width:600px;margin:0 auto;font-size:1.05rem}

/* ============ ABOUT ============ */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.about-img{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.about-img img{width:100%;height:100%;object-fit:cover;min-height:400px}
.about-img::after{content:'';position:absolute;inset:0;border:2px solid var(--copper);border-radius:var(--radius-lg);opacity:.3}
.about-text h2{margin-bottom:1rem}
.about-text p{color:var(--text-body)}
.about-text .section-label{display:inline-block;margin-bottom:1rem}

/* Stats */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;margin-top:3rem}
.stat-item{text-align:center;padding:2rem 1rem;background:var(--bg-white);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:var(--transition)}
.stat-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.counter-value{font-family:var(--font-heading);font-size:2.5rem;font-weight:700;color:var(--copper);display:block}
.stat-label{font-size:.9rem;color:var(--text-muted);margin-top:.25rem}

/* ============ SERVICES ============ */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.service-card{background:var(--bg-white);border-radius:var(--radius-md);padding:2.5rem 2rem;text-align:center;box-shadow:var(--shadow-sm);transition:var(--transition);position:relative;overflow:hidden;border:1px solid var(--border)}
.service-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--copper),var(--copper-light));transform:scaleX(0);transform-origin:left;transition:var(--transition)}
.service-card:hover::before{transform:scaleX(1)}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.service-icon{width:64px;height:64px;margin:0 auto 1.5rem;background:linear-gradient(135deg,var(--navy),var(--navy-light));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center}
.service-icon svg{width:30px;height:30px;fill:var(--copper-light);stroke:var(--copper-light)}
.service-card h3{margin-bottom:.75rem;font-size:1.2rem}
.service-card p{font-size:.95rem;color:var(--text-muted)}

/* ============ PROJECTS ============ */
.filter-bar{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap;margin-bottom:3rem}
.filter-btn{padding:.6rem 1.5rem;border-radius:30px;font-weight:600;font-size:.85rem;cursor:pointer;transition:var(--transition);background:var(--bg-warm);color:var(--text-dark);border:2px solid transparent}
.filter-btn:hover,.filter-btn.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:2rem}
.project-card{border-radius:var(--radius-md);overflow:hidden;background:var(--bg-white);box-shadow:var(--shadow-sm);transition:var(--transition);opacity:1}
.project-card.visible{opacity:1}
.project-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.project-card .project-img{height:240px;overflow:hidden;position:relative}
.project-card .project-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.project-card:hover .project-img img{transform:scale(1.08)}
.project-badge{position:absolute;top:1rem;left:1rem;background:var(--copper);color:#fff;padding:.3rem .8rem;border-radius:30px;font-size:.75rem;font-weight:600;letter-spacing:.05em}
.project-info{padding:1.5rem}
.project-info h3{font-size:1.1rem;margin-bottom:.5rem}
.project-meta{display:flex;flex-direction:column;gap:.35rem;font-size:.85rem;color:var(--text-muted)}
.project-meta span{display:flex;align-items:center;gap:.4rem}
.project-meta svg{width:14px;height:14px;fill:var(--copper)}

/* ============ WHY US ============ */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2.5rem}
.why-card{text-align:center;padding:2.5rem 2rem}
.why-icon{width:80px;height:80px;margin:0 auto 1.5rem;border-radius:50%;background:rgba(200,123,90,.12);display:flex;align-items:center;justify-content:center}
.why-icon svg{width:36px;height:36px;stroke:var(--copper);fill:none;stroke-width:1.5}
.why-card h3{margin-bottom:.75rem}

/* ============ TESTIMONIALS ============ */
.testimonial-slider{overflow:hidden;position:relative}
.testimonial-track{display:flex;transition:transform .6s ease}
.testimonial-card{min-width:100%;padding:3rem 2rem;text-align:center}
.testimonial-card blockquote{font-family:var(--font-heading);font-style:italic;font-size:1.25rem;color:#fff;max-width:700px;margin:0 auto 1.5rem;line-height:1.6}
.testimonial-card cite{color:var(--copper-light);font-style:normal;font-weight:600}
.testimonial-dots{display:flex;justify-content:center;gap:.5rem;margin-top:1.5rem}
.testimonial-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.3);cursor:pointer;transition:var(--transition)}
.testimonial-dot.active{background:var(--copper);transform:scale(1.3)}

/* ============ CAREERS ============ */
.benefits-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}
.benefit-card{background:var(--bg-white);border-radius:var(--radius-md);padding:2rem;box-shadow:var(--shadow-sm);border-left:4px solid var(--copper);transition:var(--transition)}
.benefit-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.benefit-card h4{color:var(--navy);margin-bottom:.5rem}

.job-listings{display:flex;flex-direction:column;gap:1.5rem;max-width:800px;margin:0 auto}
.job-card{background:var(--bg-white);border-radius:var(--radius-md);padding:2rem;box-shadow:var(--shadow-sm);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;transition:var(--transition);border:1px solid var(--border)}
.job-card:hover{box-shadow:var(--shadow-md);border-color:var(--copper)}
.job-card h3{font-size:1.15rem;margin-bottom:.3rem}
.job-location{font-size:.9rem;color:var(--text-muted);display:flex;align-items:center;gap:.3rem}
.job-type{font-size:.8rem;font-weight:600;color:var(--copper);background:rgba(200,123,90,.1);padding:.25rem .75rem;border-radius:20px}

.application-form{max-width:700px;margin:0 auto;background:var(--bg-white);border-radius:var(--radius-lg);padding:3rem;box-shadow:var(--shadow-md)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.form-group{display:flex;flex-direction:column;gap:.4rem}
.form-group.full{grid-column:1/-1}
.form-group label{font-weight:600;font-size:.9rem;color:var(--text-dark)}
.form-group input,.form-group textarea,.form-group select{padding:.8rem 1rem;border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-warm);transition:var(--transition);color:var(--text-dark)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--copper);background:#fff}
.form-group textarea{resize:vertical;min-height:120px}
.form-group.error input,.form-group.error textarea{border-color:#e74c3c}
button.success{background:#27ae60 !important;border-color:#27ae60 !important}

/* ============ NEWS ============ */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:2rem}
.news-card{background:var(--bg-white);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);border:1px solid var(--border)}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.news-card .news-img{height:200px;overflow:hidden}
.news-card .news-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.news-card:hover .news-img img{transform:scale(1.05)}
.news-card .news-body{padding:1.5rem}
.news-date{font-size:.8rem;color:var(--copper);font-weight:600;margin-bottom:.5rem}
.news-card h3{font-size:1.1rem;margin-bottom:.5rem}
.news-card p{font-size:.9rem;color:var(--text-muted)}

/* ============ CONTACT ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem}
.contact-info-cards{display:flex;flex-direction:column;gap:1.5rem}
.contact-card{background:var(--bg-warm);border-radius:var(--radius-md);padding:2rem;border-left:4px solid var(--copper)}
.contact-card h4{color:var(--navy);margin-bottom:.75rem}
.contact-card p{font-size:.9rem;margin-bottom:.25rem}
.contact-card a{color:var(--copper);font-weight:500}
.contact-card a:hover{text-decoration:underline}
.map-placeholder{width:100%;height:250px;background:var(--bg-warm);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin-top:1.5rem;color:var(--text-muted);border:2px dashed var(--border)}

/* ============ FOOTER ============ */
.footer{background:var(--navy-dark);color:rgba(255,255,255,.7);padding:4rem 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:3rem}
.footer h4{color:#fff;font-family:var(--font-heading);margin-bottom:1.5rem;font-size:1.1rem}
.footer-about p{font-size:.9rem;line-height:1.7}
.footer-about .footer-logo{height:40px;margin-bottom:1rem}
.footer-links a{display:block;padding:.3rem 0;font-size:.9rem;transition:var(--transition)}
.footer-links a:hover{color:var(--copper-light);padding-left:.5rem}
.footer-contact p{font-size:.9rem;display:flex;align-items:flex-start;gap:.5rem;margin-bottom:.5rem}
.footer-contact svg{width:16px;height:16px;fill:var(--copper);flex-shrink:0;margin-top:3px}
.footer-social{display:flex;gap:.75rem;margin-top:1rem}
.footer-social a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.footer-social a:hover{background:var(--copper);transform:translateY(-2px)}
.footer-social a svg{width:18px;height:18px;fill:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:3rem;padding:1.5rem 0;text-align:center;font-size:.85rem}

/* ============ SCROLL REVEAL ============ */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}
.reveal-delay-4{transition-delay:.4s}

/* ============ RESPONSIVE ============ */
@media(max-width:1024px){
  .about-grid{grid-template-columns:1fr;gap:2rem}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .hamburger{display:flex}
  .nav-links{position:fixed;top:0;right:-100%;width:75%;max-width:320px;height:100vh;background:var(--navy-dark);flex-direction:column;padding:calc(var(--nav-height) + 2rem) 2rem 2rem;gap:1.5rem;transition:var(--transition);box-shadow:-5px 0 30px rgba(0,0,0,.3)}
  .nav-links.open{right:0}
  .nav-cta{margin-left:0;width:100%}
  .nav-cta .btn{width:100%;justify-content:center}
  .hero-content h1{font-size:2rem}
  .services-grid{grid-template-columns:1fr}
  .projects-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .form-group.full{grid-column:1}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:4rem 0}
  .stats-row{grid-template-columns:repeat(2,1fr);gap:1rem}
  .filter-bar{gap:.5rem}
  .job-card{flex-direction:column;align-items:flex-start}
  .hero-buttons{flex-direction:column;align-items:center}
}
@media(max-width:480px){
  .stats-row{grid-template-columns:1fr 1fr}
  .counter-value{font-size:2rem}
  .page-hero{min-height:260px}
}