/* =========================================================
   MLTEK Solutions – Main Stylesheet
   ========================================================= */

/* ---------- CSS Reset & Variables ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --clr-dark:    #0a0e1a;
  --clr-darker:  #060912;
  --clr-accent:  #4f9cf9;
  --clr-accent2: #7b61ff;
  --clr-text:    #e2e8f0;
  --clr-muted:   #8899aa;
  --clr-card:    #111827;
  --clr-border:  rgba(255,255,255,0.08);
  --max-width:   1200px;
  --radius:      12px;
  --transition:  0.25s ease;
  --font:        'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--clr-dark);
  color: var(--clr-text);
  line-height: 1.7;
  font-size: 1rem;
}

img { display: block; max-width: 100%; border-radius: var(--radius); }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- Utility ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 6rem 0; }

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 0.75rem;
}

.centered { text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent2));
  color: #fff;
  border-color: transparent;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-2px); }

.btn-outline {
  color: var(--clr-accent);
  border-color: var(--clr-accent);
}
.btn-outline:hover {
  background: var(--clr-accent);
  color: #fff;
}

.full-width { width: 100%; text-align: center; }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
}

.nav-inner {
  display: flex;

    align-items: center;
    gap: 2rem;
    height: 68px;
  }

  /* Logo image styling removed */

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.logo span { color: var(--clr-accent); }

.nav-links {
  display: flex;
  gap: 2rem;
  margin-left: auto;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--clr-muted);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--clr-text); }

.navbar .btn-outline {
  margin-left: 1rem;
  flex-shrink: 0;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--clr-text);
  font-size: 1.5rem;
  cursor: pointer;
  margin-left: auto;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--clr-border);
  background: var(--clr-darker);
}
.mobile-menu.open { display: flex; }
.mobile-menu a { color: var(--clr-muted); font-size: 0.95rem; }
.mobile-menu a:hover { color: #fff; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?w=1600&q=80')
    center/cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 14, 26, 0.88) 0%,
    rgba(79, 156, 249, 0.15) 100%
  );
}

.hero-content {
  position: relative;
  max-width: 680px;
  padding-top: 68px;
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 1rem;
}

.hero-content h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 2rem;
  letter-spacing: -0.03em;
}
.hero-content h1 span { color: var(--clr-accent); }

/* ---------- Two-Column Layout ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.text-col h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}
.text-col p { color: var(--clr-muted); font-size: 1.05rem; }

.image-col img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}

/* ---------- Promise Section ---------- */
.promise-section { background: var(--clr-darker); }

/* ---------- Services Section ---------- */
.services-section h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 3.5rem;
  letter-spacing: -0.02em;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(79, 156, 249, 0.12);
}

.card-icon {
  font-size: 2.4rem;
  margin-bottom: 1.25rem;
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
}
.card p { color: var(--clr-muted); font-size: 0.95rem; }

/* ---------- Contact Section ---------- */
.contact-section { background: var(--clr-darker); }

.contact-inner { align-items: start; }

.contact-list { margin-top: 2rem; display: flex; flex-direction: column; gap: 1.5rem; }
.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contact-icon { font-size: 1.4rem; flex-shrink: 0; }
.contact-list strong { display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--clr-muted); margin-bottom: 0.2rem; }
.contact-list a, .contact-list span { color: var(--clr-text); }
.contact-list a:hover { color: var(--clr-accent); }

/* ---------- Form ---------- */
.form-col {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
}

.form-col h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 2rem;
}

.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-muted);
  margin-bottom: 0.45rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--clr-dark);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--clr-text);
  font-family: var(--font);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--clr-accent);
}
.form-group textarea { resize: vertical; }

.form-success {
  display: none;
  color: #4ade80;
  font-size: 0.9rem;
  margin-top: 1rem;
  text-align: center;
}
.form-success.visible { display: block; }

/* ---------- Footer ---------- */
.footer {
  background: var(--clr-darker);
  border-top: 1px solid var(--clr-border);
  padding: 3rem 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}
.footer-links a {
  color: var(--clr-muted);
  font-size: 0.875rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--clr-text); }

.copyright {
  color: var(--clr-muted);
  font-size: 0.82rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .two-col  { grid-template-columns: 1fr; gap: 3rem; }
  .cards    { grid-template-columns: 1fr 1fr; }
  .nav-links, .navbar .btn-outline { display: none; }
  .hamburger { display: block; }
}

@media (max-width: 600px) {
  .cards { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 2.2rem; }
}