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

:root {
  --primary: #0a66c2;
  --primary-dark: #084d8f;
  --dark: #1a1a2e;
  --light: #f8f9fa;
  --gray: #6b7280;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--dark);
  line-height: 1.6;
  background: var(--white);
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

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

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-secondary { background: transparent; color: var(--white); border: 2px solid var(--white); }
.btn-secondary:hover { background: var(--white); color: var(--primary); }

/* ===== Header ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 10px rgba(0,0,0,0.06);
  z-index: 1000;
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo { font-size: 1.4rem; font-weight: 800; color: var(--primary); }
.nav-links { display: flex; gap: 32px; }
.nav-links a { font-weight: 500; color: var(--dark); transition: color 0.2s; }
.nav-links a:hover { color: var(--primary); }
.nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; cursor: pointer; color: var(--dark); }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #0a66c2 0%, #1a1a2e 100%);
  color: var(--white);
  padding: 140px 0 100px;
  text-align: center;
}
.hero h1 { font-size: 3rem; font-weight: 800; line-height: 1.2; margin-bottom: 20px; }
.hero .accent { color: #4fc3f7; }
.hero p { font-size: 1.2rem; max-width: 600px; margin: 0 auto 36px; opacity: 0.9; }
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== Sections ===== */
section { padding: 80px 0; }
.section-title { font-size: 2.2rem; font-weight: 700; text-align: center; margin-bottom: 12px; }
.section-subtitle { text-align: center; color: var(--gray); font-size: 1.1rem; margin-bottom: 50px; }

/* ===== Cards ===== */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px; }
.card {
  background: var(--white);
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.card-icon { font-size: 2.8rem; margin-bottom: 16px; }
.card h3 { font-size: 1.25rem; margin-bottom: 12px; }
.card p { color: var(--gray); font-size: 0.95rem; }

/* ===== About ===== */
.about { background: var(--light); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-text p { margin-bottom: 18px; color: var(--gray); }
.about-stats { display: flex; gap: 30px; justify-content: center; flex-wrap: wrap; }
.stat { text-align: center; }
.stat-number { display: block; font-size: 2.8rem; font-weight: 800; color: var(--primary); }
.stat-label { color: var(--gray); font-size: 0.9rem; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 28px; }
.contact-icon { font-size: 1.6rem; }
.contact-item strong { display: block; margin-bottom: 4px; }
.contact-item a, .contact-item span { color: var(--gray); }
.contact-item a:hover { color: var(--primary); }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.contact-form input, .contact-form textarea {
  padding: 14px 18px; border: 1px solid #d1d5db; border-radius: var(--radius);
  font-size: 1rem; font-family: inherit; transition: border-color 0.2s;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--primary); }
.contact-form .btn { align-self: flex-start; }
.form-msg { font-size: 0.9rem; color: #16a34a; margin-top: 4px; }

/* ===== Footer ===== */
.footer { background: var(--dark); color: var(--white); padding: 32px 0; text-align: center; }
.footer p { opacity: 0.7; font-size: 0.9rem; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 20px; box-shadow: var(--shadow); gap: 16px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .section-title { font-size: 1.8rem; }
}