/* =========================================================================
   Gandaki RMC — Design System
   Palette: Forge Green (trust/engineering) + Concrete Grey (industrial) +
            Aggregate Amber (safety/CTA accent)
   Type: Poppins (display, confident geometric) + Inter (body, high legibility)
   ========================================================================= */

:root {
  --forge-green: #163821;
  --forge-green-light: #1f5230;
  --concrete-900: #1c1f1e;
  --concrete-700: #4a4f4c;
  --concrete-500: #8a8f8b;
  --concrete-200: #e4e2dc;
  --concrete-100: #f4f2ed;
  --aggregate-amber: #f2a530;
  --aggregate-amber-dark: #d88f1f;
  --steel-blue: #375a7f;
  --white: #ffffff;
  --radius-sm: 4px;
  --radius-md: 8px;
  --font-display: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
}

* { box-sizing: border-box; }

body {
  font-family: var(--font-body);
  color: var(--concrete-900);
  background: var(--white);
  line-height: 1.65;
}

h1, h2, h3, h4, h5, h6, .display-font {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--concrete-900);
  letter-spacing: -0.01em;
}

a { color: var(--forge-green); text-decoration: none; }
a:hover { color: var(--aggregate-amber-dark); }

.text-brand { color: var(--forge-green) !important; }
.bg-concrete { background: var(--concrete-100); }

/* ---------- Buttons ---------- */
.btn { border-radius: var(--radius-sm); font-weight: 600; padding: 0.65rem 1.5rem; }
.btn-brand { background: var(--aggregate-amber); border-color: var(--aggregate-amber); color: var(--concrete-900); }
.btn-brand:hover { background: var(--aggregate-amber-dark); border-color: var(--aggregate-amber-dark); color: var(--concrete-900); }
.btn-outline-brand { border: 2px solid var(--forge-green); color: var(--forge-green); background: transparent; }
.btn-outline-brand:hover { background: var(--forge-green); color: var(--white); }
.btn-light-outline { border: 2px solid rgba(255,255,255,.5); color: var(--white); }
.btn-light-outline:hover { background: var(--white); color: var(--forge-green); }

/* ---------- Topbar & Navbar ---------- */
.topbar { background: var(--concrete-900); color: rgba(255,255,255,.75); }
.topbar a { color: rgba(255,255,255,.85); }
.topbar a:hover { color: var(--aggregate-amber); }
.social-links a { color: rgba(255,255,255,.75); margin-left: 12px; }
.social-links a:hover { color: var(--aggregate-amber); }
.lang-switch a { color: rgba(255,255,255,.75); font-weight: 600; font-size: 0.82rem; }
.lang-switch a:hover { color: var(--aggregate-amber); }

.main-navbar { background: var(--white); box-shadow: 0 2px 12px rgba(0,0,0,.06); padding: 14px 0; }
.brand-text { font-family: var(--font-display); font-weight: 800; font-size: 1.35rem; color: var(--concrete-900); }
.main-navbar .nav-link { font-weight: 600; color: var(--concrete-700); padding: 0.5rem 1rem !important; }
.main-navbar .nav-link:hover { color: var(--forge-green); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  background: linear-gradient(120deg, var(--concrete-900) 0%, var(--forge-green) 100%);
  color: var(--white);
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 1px, transparent 1px 80px),
    repeating-linear-gradient(0deg, rgba(255,255,255,.04) 0 1px, transparent 1px 80px);
  pointer-events: none;
}
.hero-eyebrow { color: var(--aggregate-amber); font-weight: 700; font-size: 0.95rem; margin-bottom: 0.75rem; }
.hero h1 { font-size: clamp(2.2rem, 4.5vw, 3.6rem); line-height: 1.1; color: var(--white); max-width: 720px; }
.hero p.lead { color: rgba(255,255,255,.85); max-width: 560px; font-size: 1.15rem; }
.hero-stats { position: relative; z-index: 2; background: rgba(255,255,255,.08); backdrop-filter: blur(6px); border-top: 1px solid rgba(255,255,255,.15); }
.hero-stats .stat-num { font-family: var(--font-display); font-weight: 800; font-size: 2.1rem; color: var(--aggregate-amber); }
.hero-stats .stat-label { color: rgba(255,255,255,.8); font-size: 0.9rem; }

/* ---------- Section Header ---------- */
.section-pad { padding: 88px 0; }
.section-title { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 0.5rem; }
.section-sub { color: var(--concrete-700); max-width: 620px; }
.section-head-row { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 16px; margin-bottom: 40px; }

/* ---------- Cards ---------- */
.card-industrial {
  border: 1px solid var(--concrete-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow .2s ease, transform .2s ease;
  background: var(--white);
  height: 100%;
}
.card-industrial:hover { box-shadow: 0 12px 30px rgba(22,56,33,.12); transform: translateY(-3px); }
.card-industrial .card-img-wrap { aspect-ratio: 4/3; overflow: hidden; background: var(--concrete-100); }
.card-industrial .card-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.card-industrial .card-body { padding: 22px; }
.grade-badge { display: inline-block; background: var(--forge-green); color: var(--white); font-weight: 700; font-size: 0.78rem; padding: 3px 10px; border-radius: var(--radius-sm); }

/* ---------- Why Choose Us (icon list) ---------- */
.feature-item { display: flex; gap: 16px; align-items: flex-start; }
.feature-icon { flex: 0 0 54px; height: 54px; width: 54px; border-radius: var(--radius-md); background: var(--concrete-100); color: var(--forge-green); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.feature-item h5 { margin-bottom: 4px; font-size: 1.05rem; }
.feature-item p { color: var(--concrete-700); font-size: 0.93rem; margin: 0; }

/* ---------- Project Cards ---------- */
.project-card { position: relative; border-radius: var(--radius-md); overflow: hidden; height: 320px; }
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.project-card:hover img { transform: scale(1.06); }
.project-overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(20,25,23,.92) 0%, rgba(20,25,23,.1) 55%, transparent 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 22px; color: var(--white); }
.project-status { display: inline-block; align-self: flex-start; font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: var(--radius-sm); margin-bottom: 8px; }
.status-completed { background: var(--forge-green); }
.status-ongoing { background: var(--aggregate-amber); color: var(--concrete-900); }
.status-upcoming { background: var(--steel-blue); }

/* ---------- Quote Section ---------- */
.quote-section { background: var(--concrete-900); color: var(--white); position: relative; }
.quote-form-card { background: var(--white); border-radius: var(--radius-md); padding: 36px; color: var(--concrete-900); box-shadow: 0 20px 50px rgba(0,0,0,.3); }
.quote-form-card .form-control, .quote-form-card .form-select { border-radius: var(--radius-sm); border-color: var(--concrete-200); padding: 0.65rem 0.85rem; }
.quote-form-card .form-control:focus, .quote-form-card .form-select:focus { border-color: var(--forge-green); box-shadow: 0 0 0 3px rgba(22,56,33,.12); }

/* ---------- Testimonials ---------- */
.testimonial-card { background: var(--concrete-100); border-radius: var(--radius-md); padding: 28px; height: 100%; }
.testimonial-stars { color: var(--aggregate-amber); font-size: 0.9rem; margin-bottom: 12px; }
.testimonial-avatar { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; background: var(--concrete-200); }

/* ---------- Footer ---------- */
.site-footer { background: var(--concrete-900); }
.footer-links li, .footer-contact li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,.7); }
.footer-links a:hover { color: var(--aggregate-amber); }
.footer-contact { color: rgba(255,255,255,.7); }
.footer-contact i { color: var(--aggregate-amber); margin-right: 8px; width: 16px; }
.footer-bottom { background: #101312; }
.social-links-footer a { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255,255,255,.25); color: var(--white); margin-right: 8px; }
.social-links-footer a:hover { background: var(--aggregate-amber); border-color: var(--aggregate-amber); color: var(--concrete-900); }

/* ---------- Floating Actions ---------- */
.floating-actions { position: fixed; right: 20px; bottom: 20px; z-index: 1050; display: flex; flex-direction: column; gap: 10px; }
.fab { width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 1.4rem; box-shadow: 0 6px 18px rgba(0,0,0,.25); }
.fab-whatsapp { background: #25D366; }
.fab-call { background: var(--forge-green); }

/* ---------- Page Header (interior pages) ---------- */
.page-header { background: linear-gradient(120deg, var(--concrete-900), var(--forge-green)); color: var(--white); padding: 64px 0; }
.page-header h1 { color: var(--white); margin-bottom: 6px; }
.breadcrumb-custom a { color: rgba(255,255,255,.7); }
.breadcrumb-custom .active { color: var(--aggregate-amber); }

/* ---------- Misc ---------- */
.divider-amber { width: 56px; height: 4px; background: var(--aggregate-amber); border-radius: 2px; margin-bottom: 18px; }
.badge-soft { background: var(--concrete-100); color: var(--forge-green); font-weight: 600; padding: 5px 12px; border-radius: var(--radius-sm); }
.form-label { font-weight: 600; font-size: 0.9rem; }
.rating-stars i { color: var(--aggregate-amber); }

@media (max-width: 991px) {
  .hero { min-height: 520px; text-align: left; }
  .section-pad { padding: 56px 0; }
}