:root {
  --blue: #0B2A55;
  --red: #C60C30;
  --gold: #D4AF37;
  --light: #F4F6F9;
  --dark: #0F172A;
}

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

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

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

/* HEADER */

.header {
  position: fixed;
  width: 100%;
  background: rgba(11,42,85,0.95);
  backdrop-filter: blur(8px);
  z-index: 1000;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo img {
  height: 50px;
}

/* NAV LINKS DESKTOP */

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

.nav-links a {
  text-decoration: none;
  color: white;
  font-weight: 500;
  transition: 0.3s;
}

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

.btn-members {
  background: var(--red);
  color: white;
  padding: 10px 20px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 500;
}

/* BURGER */

.burger {
  display: none;
  cursor: pointer;
}

.burger div {
  width: 25px;
  height: 3px;
  background: white;
  margin: 5px;
}

/* MOBILE MENU */

.mobile-menu {
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  background: var(--blue);
  display: none;
  flex-direction: column;
  text-align: center;
  padding: 20px 0;
}

.mobile-menu a {
  color: white;
  padding: 15px;
  text-decoration: none;
  font-size: 1.1rem;
}

.mobile-member-btn {
  background: var(--red);
  margin: 10px auto;
  width: 80%;
  border-radius: 30px;
}

.mobile-menu.active {
  display: flex;
}

/* HERO */

.hero {
  height: 100vh;
  background: url('hero.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-overlay {
  background: rgba(0,0,0,0.6);
  padding: 60px 30px;
  color: white;
  width: 100%;
}

.hero h1 {
  font-family: 'Oswald', sans-serif;
  font-size: 4rem;
}

.hero p {
  margin-top: 20px;
  font-size: 1.2rem;
}

.hero-buttons {
  margin-top: 30px;
}

.btn-primary,
.btn-secondary {
  display: inline-block;
  margin: 10px;
  padding: 14px 28px;
  border-radius: 30px;
  text-decoration: none;
}

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

.btn-secondary {
  border: 2px solid white;
  color: white;
}

/* SECTIONS */

.section {
  padding: 100px 0;
}

.section.light {
  background: var(--light);
}

.section.dark {
  background: var(--blue);
  color: white;
}

.section h2 {
  font-family: 'Oswald', sans-serif;
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 30px;
  margin-top: 40px;
}

.card {
  background: white;
  padding: 30px;
  border-radius: 15px;
}

.section.dark .card {
  background: rgba(255,255,255,0.1);
}

/* FOOTER */

footer {
  background: var(--dark);
  color: white;
  text-align: center;
  padding: 40px 0;
}

/* ========================= */
/* RESPONSIVE */
/* ========================= */

@media (max-width: 992px) {

  .nav-links,
  .desktop-only {
    display: none;
  }

  .burger {
    display: block;
  }

  .hero h1 {
    font-size: 2.8rem;
  }

  .hero-overlay {
    padding: 40px 20px;
  }

  .section {
    padding: 70px 0;
  }
}

@media (max-width: 600px) {

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .btn-primary,
  .btn-secondary {
    width: 90%;
  }
}