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

:root {
  --primary: #005B94;
  --primary-dark: #002B49;
  --accent: #00C9A7;
  --accent-light: #84EA9A;
  --text-dark: #2C3E50;
  --text-muted: #5A7184;
  --bg-light: #F4F8FA;
  --white: #FFFFFF;
}

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

h1, h2, h3, h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

.section {
  padding: 80px 0;
}

.bg-light {
  background-color: var(--bg-light);
}

.bg-primary {
  background-color: var(--primary-dark);
}

.text-white {
  color: var(--white);
}

.section-title {
  text-align: center;
  font-size: 2.2rem;
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.section-subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 50px;
}

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 15px rgba(0, 201, 167, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-dark);
  border: 2px solid var(--primary);
  margin-left: 10px;
}

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

.btn-nav {
  background: var(--accent);
  color: var(--primary-dark);
  padding: 8px 20px;
  font-size: 0.9rem;
}

/* HEADER */
.header {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 12px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--primary-dark);
  letter-spacing: 0.5px;
}

.brand-sub {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--primary);
  letter-spacing: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 25px;
}

.nav a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 600;
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--primary);
}

/* HERO */
.hero {
  background: linear-gradient(135deg, #eef7fc 0%, #ffffff 100%);
  padding: 100px 0 80px;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.badge {
  background: rgba(0, 201, 167, 0.15);
  color: var(--primary-dark);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 2.8rem;
  color: var(--primary-dark);
  margin-bottom: 20px;
}

.hero h1 .highlight {
  color: var(--primary);
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 30px;
}

.hero-card {
  background: var(--white);
  padding: 35px;
  border-radius: 16px;
  box-shadow: 0 15px 30px rgba(0, 43, 73, 0.08);
  border-top: 5px solid var(--accent);
}

.hero-card h3 {
  color: var(--primary-dark);
  margin-bottom: 15px;
  font-size: 1.3rem;
}

.hero-card ul {
  list-style: none;
}

.hero-card li {
  margin-bottom: 12px;
  font-weight: 600;
  color: var(--text-dark);
}

/* GRIDS & CARDS */
.grid {
  display: grid;
  gap: 30px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.card {
  background: var(--white);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.03);
  text-align: center;
}

.icon-box {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.card h3 {
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* COURSE CARDS */
.course-card {
  background: var(--white);
  border-radius: 16px;
  border: 1px solid #E2E8F0;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0,0,0,0.04);
}

.highlight-card {
  border: 2px solid var(--accent);
}

.course-header {
  background: var(--bg-light);
  padding: 25px;
  border-bottom: 1px solid #E2E8F0;
}

.course-badge {
  background: var(--primary);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.course-header h3 {
  margin-top: 10px;
  font-size: 1.5rem;
  color: var(--primary-dark);
}

.course-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.course-body {
  padding: 25px;
}

.course-body h4 {
  margin: 20px 0 10px;
  color: var(--primary-dark);
}

.course-body ul {
  padding-left: 20px;
  color: var(--text-muted);
}

.course-body li {
  margin-bottom: 8px;
}

/* KONTAKT */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.contact-info h2 {
  font-size: 2.2rem;
  margin-bottom: 15px;
}

.contact-details {
  margin-top: 30px;
  line-height: 2;
}

.contact-form-box {
  background: var(--white);
  color: var(--text-dark);
  padding: 35px;
  border-radius: 16px;
}

.contact-form-box h3 {
  color: var(--primary-dark);
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 5px;
  font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #CBD5E1;
  border-radius: 8px;
  font-family: inherit;
}

.btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  font-size: 1rem;
}

/* FOOTER */
.footer {
  background: #001E33;
  color: #94A3B8;
  padding: 25px 0;
  font-size: 0.9rem;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links a {
  color: #94A3B8;
  text-decoration: none;
  margin-left: 20px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-container, .contact-grid {
    grid-template-columns: 1fr;
  }
  .nav {
    display: none;
  }
  .hero h1 {
    font-size: 2.1rem;
  }
}