/* ===== Kosmos Tech Solutions - Base Styles ===== */
:root {
  --primary: #0d6efd;
  --primary-dark: #0a4fc2;
  --accent: #ff9f1c;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --light: #f4f7fb;
  --gray: #64748b;
  --white: #ffffff;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(0,0,0,0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', 'Poppins', Arial, sans-serif;
  color: #333;
  line-height: 1.6;
  background: var(--white);
}

img { max-width: 100%; display: block; }

a { text-decoration: none; color: inherit; }

ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-subtitle {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 15px;
}

.section-divider {
  width: 60px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  padding: 13px 32px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.9rem;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--dark);
}
.btn-primary:hover { background: #e78900; transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  border: 2px solid var(--white);
  color: var(--white);
}
.btn-outline:hover { background: var(--white); color: var(--dark); }

.btn-dark {
  background: var(--dark);
  color: var(--white);
}
.btn-dark:hover { background: var(--primary-dark); }

/* ===== NAVBAR ===== */
.navbar {
  background: var(--dark);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 15px rgba(0,0,0,0.2);
}

.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
}

.navbar-brand img { height: 42px; width: auto; }

.navbar-brand i { color: var(--accent); }

.navbar-brand small {
  display: block;
  font-size: 0.6rem;
  font-weight: 400;
  color: #94a3b8;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  color: #e2e8f0;
  font-weight: 600;
  font-size: 0.92rem;
  transition: color 0.2s ease;
  padding: 6px 0;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.nav-links .btn-primary {
  color: var(--dark);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  width: 26px;
  height: 3px;
  background: var(--white);
  border-radius: 2px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  color: var(--white);
  overflow: hidden;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 90px 20px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
}

.hero h1 span { color: var(--accent); }

.hero p {
  color: #cbd5e1;
  font-size: 1.05rem;
  margin-bottom: 30px;
  max-width: 520px;
}

.hero-actions { display: flex; gap: 15px; flex-wrap: wrap; }

.hero-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.page-hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  color: var(--white);
  padding: 70px 0 60px;
  text-align: center;
}

.page-hero h1 { font-size: 2.4rem; font-weight: 800; margin-bottom: 10px; }
.page-hero p { color: #cbd5e1; }
.breadcrumb { color: var(--accent); font-weight: 600; font-size: 0.9rem; }

/* ===== STATS STRIP ===== */
.stats-strip {
  background: var(--primary);
  padding: 35px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
  color: var(--white);
}
.stats-grid .num { font-size: 2rem; font-weight: 800; }
.stats-grid .lbl { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; opacity: 0.9; }

/* ===== SERVICE CARDS ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 35px 28px;
  text-align: left;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border-top: 4px solid var(--accent);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 40px rgba(0,0,0,0.12);
}

.service-card .icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: rgba(13,110,253,0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.15rem;
  color: var(--dark);
  margin-bottom: 12px;
}

.service-card p { color: var(--gray); font-size: 0.93rem; }
.service-card ul { margin-top: 12px; }
.service-card ul li {
  font-size: 0.88rem;
  color: var(--gray);
  padding-left: 22px;
  position: relative;
  margin-bottom: 6px;
}
.service-card ul li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* ===== WHY CHOOSE / USP ===== */
.usp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.usp-card {
  text-align: center;
  padding: 30px 20px;
  background: var(--light);
  border-radius: var(--radius);
}
.usp-card .icon {
  width: 65px;
  height: 65px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--dark);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}
.usp-card h4 { color: var(--dark); font-size: 1rem; }

/* ===== PRODUCT / BUY-SELL CARDS ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 26px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease;
}
.product-card:hover { transform: translateY(-6px); }
.product-card img { height: 190px; width: 100%; object-fit: cover; }
.product-card .body { padding: 22px; }
.product-card h4 { color: var(--dark); margin-bottom: 8px; }
.product-card p { color: var(--gray); font-size: 0.9rem; margin-bottom: 14px; }
.tag {
  display: inline-block;
  background: rgba(255,159,28,0.15);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

/* ===== PROCESS STEPS ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 30px 24px 24px;
  background: var(--light);
  border-radius: var(--radius);
  text-align: center;
}
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: var(--dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}
.step h4 { margin-top: 10px; color: var(--dark); }
.step p { color: var(--gray); font-size: 0.88rem; margin-top: 8px; }

/* ===== TESTIMONIALS ===== */
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}
.testimonial-card .stars { color: var(--accent); margin-bottom: 12px; }
.testimonial-card p { color: var(--gray); font-style: italic; margin-bottom: 16px; }
.testimonial-card .who { display: flex; align-items: center; gap: 12px; }
.testimonial-card .who .avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--primary); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.testimonial-card .who strong { color: var(--dark); display: block; font-size: 0.9rem; }
.testimonial-card .who span { color: var(--gray); font-size: 0.8rem; }

/* ===== CTA BAND ===== */
.cta-band {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 55px 0;
  text-align: center;
}
.cta-band h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 12px; }
.cta-band p { color: #e0edff; margin-bottom: 25px; }

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}
.contact-info-card {
  display: flex;
  gap: 16px;
  padding: 22px;
  background: var(--light);
  border-radius: var(--radius);
  margin-bottom: 18px;
}
.contact-info-card .icon {
  width: 46px; height: 46px; border-radius: 10px;
  background: var(--dark); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-info-card h4 { color: var(--dark); margin-bottom: 4px; }
.contact-info-card p, .contact-info-card a { color: var(--gray); font-size: 0.92rem; }

form.contact-form {
  background: var(--white);
  padding: 34px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 700; color: var(--dark); margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #dfe4ea;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.92rem;
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-msg { margin-top: 14px; font-weight: 600; font-size: 0.9rem; display: none; }
.form-msg.success { color: #16a34a; display: block; }
.form-msg.error { color: #dc2626; display: block; }

.map-embed {
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 25px;
  box-shadow: var(--shadow);
}
.map-embed iframe { width: 100%; height: 260px; border: 0; }

/* ===== FOOTER ===== */
footer {
  background: var(--dark);
  color: #cbd5e1;
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand img { height: 50px; width: auto; margin-bottom: 16px; }
.footer-grid h4 { color: var(--white); margin-bottom: 18px; font-size: 1rem; }
.footer-grid p { font-size: 0.9rem; color: #94a3b8; margin-bottom: 16px; }
.footer-grid ul li { margin-bottom: 10px; }
.footer-grid ul li a { color: #94a3b8; font-size: 0.9rem; transition: color 0.2s; }
.footer-grid ul li a:hover { color: var(--accent); }
.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--white); transition: background 0.2s;
}
.social-links a:hover { background: var(--accent); color: var(--dark); }
.footer-bottom {
  text-align: center;
  padding: 20px 0;
  font-size: 0.85rem;
  color: #64748b;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding: 60px 20px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    gap: 15px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.1rem; }
  .section-title { font-size: 1.7rem; }
}