/* RESET & VARIABLES */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
  --primary-blue: #0b2e63;
  --dark-blue: #071c3e;
  --accent-yellow: #f1a80a;
  --light-bg: #f8f9fa;
  --card-bg: #ffffff;
  --text-dark: #222222;
  --text-muted: #666666;
  --text-white: #ffffff;
  --border-color: #e5e5e5;
}

body {
  color: var(--text-dark);
  background-color: var(--light-bg);
  line-height: 1.6;
}

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

/* TOP BAR */
.top-bar {
  background-color: var(--dark-blue);
  color: var(--text-white);
  padding: 8px 5%;
  display: flex;
  justify-content: flex-end;
  gap: 20px;
  font-size: 14px;
}

/* NAVIGATION HEADER */
header {
  background: var(--text-white);
  padding: 15px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 22px;
  font-weight: bold;
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span {
  color: var(--accent-yellow);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 25px;
  font-weight: 600;
  font-size: 15px;
}

nav a:hover, nav a.active {
  color: var(--primary-blue);
  border-bottom: 2px solid var(--accent-yellow);
}

.header-btns {
  display: flex;
  gap: 10px;
}

/* BUTTONS */
.btn {
  padding: 10px 20px;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  display: inline-block;
  border: none;
  transition: all 0.3s ease;
}

.btn-yellow {
  background-color: var(--accent-yellow);
  color: #000;
}

.btn-yellow:hover {
  background-color: #d99505;
}

.btn-blue {
  background-color: var(--primary-blue);
  color: var(--text-white);
}

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

.btn-outline {
  border: 1px solid var(--text-white);
  color: var(--text-white);
  background: transparent;
}

.btn-outline:hover {
  background: var(--text-white);
  color: var(--primary-blue);
}

/* PAGE HERO SECTION */
.page-hero {
  background: linear-gradient(135deg, var(--dark-blue), var(--primary-blue));
  color: var(--text-white);
  padding: 60px 5%;
  text-align: left;
}

.page-hero h1 {
  font-size: 38px;
  margin-bottom: 10px;
}

.page-hero p {
  color: #d0dbe9;
  max-width: 600px;
}

.subtitle-yellow {
  color: var(--accent-yellow);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 5px;
}

/* SECTION STRUCTURE */
section {
  padding: 60px 5%;
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: 28px;
  color: var(--primary-blue);
}

/* GRID LAYOUTS */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* CARDS */
.card {
  background: var(--card-bg);
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  border: 1px solid var(--border-color);
}

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

.card p {
  color: var(--text-muted);
  font-size: 14px;
}

/* PRICING CARDS */
.pricing-card {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 30px 20px;
  text-align: center;
  border: 1px solid var(--border-color);
  position: relative;
}

.pricing-card.popular {
  border: 2px solid var(--primary-blue);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-yellow);
  padding: 2px 12px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: bold;
}

.pricing-header {
  background: var(--primary-blue);
  color: var(--text-white);
  padding: 15px;
  border-radius: 6px;
  margin-bottom: 20px;
}

.price {
  font-size: 32px;
  font-weight: bold;
}

.pricing-features {
  list-style: none;
  margin-bottom: 25px;
  text-align: left;
  font-size: 14px;
}

.pricing-features li {
  padding: 8px 0;
  border-bottom: 1px solid #f0f0f0;
}

.pricing-features li::before {
  content: "✓ ";
  color: var(--accent-yellow);
  font-weight: bold;
}

/* CTA BANNER */
.cta-banner {
  background: var(--primary-blue);
  color: var(--text-white);
  text-align: center;
  border-radius: 8px;
  padding: 50px 20px;
  margin: 40px 5%;
}

.cta-banner h2 {
  font-size: 30px;
  margin-bottom: 10px;
}

/* NEWSLETTER */
.newsletter-bar {
  background: var(--dark-blue);
  color: var(--text-white);
  padding: 25px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.newsletter-form {
  display: flex;
  gap: 10px;
}

.newsletter-form input {
  padding: 10px 15px;
  border-radius: 4px;
  border: none;
  width: 250px;
}

/* FOOTER */
footer {
  background: var(--dark-blue);
  color: #a0b2ce;
  padding: 50px 5% 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 30px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--text-white);
  margin-bottom: 15px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 8px;
  font-size: 14px;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
}

/* RESPONSIVE LAYOUT */
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4, .footer-grid {
    grid-template-columns: 1fr;
  }
  .newsletter-bar {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
  header {
    flex-direction: column;
    gap: 15px;
  }
}