/* ========== GLOBAL RESET & VARIABLES ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --deep-blue: #0F3D91;
  --bright-orange: #FF7A00;
  --white: #FFFFFF;
  --light-gray: #F5F7FA;
  --dark-gray: #1F2937;
  --shadow-sm: 0 10px 25px -5px rgba(0,0,0,0.05);
  --shadow-md: 0 20px 25px -5px rgba(0,0,0,0.05);
  --transition: all 0.2s ease;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--white);
  color: var(--dark-gray);
  line-height: 1.5;
  transition: background 0.2s, color 0.2s;
}

body.dark {
  --white: #111827;
  --light-gray: #1f2937;
  --dark-gray: #e5e7eb;
  background-color: #111827;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
  color: var(--deep-blue);
}
body.dark .section-title { color: var(--bright-orange); }

/* Buttons */
.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 40px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: var(--deep-blue);
  color: white;
}
.btn-primary:hover { background: #0a2e6e; transform: translateY(-2px); }
.btn-secondary {
  background: var(--bright-orange);
  color: white;
}
.btn-secondary:hover { background: #e06e00; transform: translateY(-2px); }

/* Grids */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 30px; }

/* Cards */
.card, .product-card {
  background: var(--white);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  text-align: center;
  border: 1px solid #eef2f6;
}
.card:hover, .product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.product-img {
  background: var(--light-gray);
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  overflow: hidden;
}
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-info { padding: 18px 0 0; }
.product-info h3 { font-size: 1.2rem; margin-bottom: 8px; }

/* Statistics */
.stats-section { background: var(--deep-blue); color: white; padding: 60px 0; }
.stats-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 30px; text-align: center; }
.stat-number { font-size: 2.8rem; font-weight: 800; }

/* Testimonials */
.testimonial-card {
  background: var(--light-gray);
  border-radius: 24px;
  padding: 28px;
}
.stars { color: #FFB800; margin-bottom: 12px; }

/* Footer */
.footer {
  background: #0b2b5e;
  color: #ccc;
  padding: 50px 0 30px;
  margin-top: 40px;
}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; }
.footer a { color: #ddd; text-decoration: none; }
.footer a:hover { color: var(--bright-orange); }
.footer-bottom { text-align: center; margin-top: 40px; }

/* Floating buttons */
.floating-wa, .floating-quote {
  position: fixed;
  bottom: 28px;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 28px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  z-index: 99;
  transition: var(--transition);
}
.floating-wa { right: 28px; background: #25D366; }
.floating-quote { left: 28px; background: var(--bright-orange); cursor: pointer; }
.floating-wa:hover, .floating-quote:hover { transform: scale(1.08); }

/* Navigation */
header {
  background: var(--white);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  max-width: 1400px;
  margin: 0 auto;
}
.logo h1 { font-size: 1.6rem; font-weight: 800; color: var(--deep-blue); }
.logo span { color: var(--bright-orange); }
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  font-weight: 500;
  color: var(--dark-gray);
  transition: 0.2s;
}
.nav-links a:hover { color: var(--bright-orange); }
.nav-links button {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--dark-gray);
}
.menu-icon { display: none; font-size: 1.8rem; cursor: pointer; }

@media (max-width: 900px) {
  .nav-links {
    display: none;
    flex-direction: column;
    background: var(--white);
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    padding: 20px;
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
  }
  .nav-links.active { display: flex; }
  .menu-icon { display: block; }
}