@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;700&display=swap');

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

body {
  font-family: 'Montserrat', sans-serif;
  background-color: #041836;
  color: #fff;
  line-height: 1.6;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1rem 2rem;
  background: rgba(4, 30, 50, 0.85);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 999;
}
header .logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: #0AE76F;
  text-transform: lowercase;
}
header nav a {
  margin-left: 1.5rem;
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}
header nav a:hover {
  color: #0AE76F;
}

/* Hero */
.hero {
  position: relative;
  height: 100vh;
  background: url('images/hero.png') center/cover no-repeat;
}
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 24, 48, 0.65);
}
.hero .content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin-left: 2rem;
  top: 50%;
  transform: translateY(-50%);
}
.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: #0AE76F;
}
.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 500px;
}
.btn-primary {
  display: inline-block;
  padding: 0.8rem 2rem;
  border: 2px solid #0AE76F;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}
.btn-primary:hover {
  background: #0AE76F;
  color: #041836;
}

/* Section */
section {
  padding: 6rem 2rem;
  width: 100%;
}
.section-dark {
  background-color: #05213b;
}
.section-light {
  background-color: #0AE76F;
  color: #041836;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}
.text {
  flex: 1 1 45%;
  min-width: 280px;
  padding: 1rem;
}
.image {
  flex: 1 1 45%;
  min-width: 280px;
  padding: 1rem;
}
.image img {
  width: 100%;
  border-radius: 8px;
  object-fit: cover;
}
.text h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #0AE76F;
}
.section-light .text h2 {
  color: #041836;
}
.text p {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}
.features-list {
  list-style: none;
  padding-left: 0;
}
.features-list li {
  margin-bottom: 1rem;
  padding-left: 2rem;
  position: relative;
  font-size: 1.1rem;
}
.features-list li::before {
  content: '¹4';
  position: absolute;
  left: 0;
  top: 0;
  color: #0AE76F;
  font-size: 1.3rem;
}

/* Signup form */
.signup {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}
.signup h2 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  color: #041836;
}
.signup p {
  margin-bottom: 1.5rem;
  color: #041836;
}
.signup form {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.signup input[type="email"] {
  padding: 0.8rem 1rem;
  border: none;
  width: 100%;
  max-width: 350px;
}
.signup button {
  padding: 0.8rem 2rem;
  border: none;
  background: #041836;
  color: #0AE76F;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
}
.signup button:hover {
  background: #02111e;
  color: #0AE76F;
}

/* Footer */
footer {
  background: #021d37;
  color: #788fa1;
  padding: 3rem 2rem;
  font-size: 0.9rem;
}
footer .columns {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
footer .column {
  flex: 1 1 200px;
  margin-bottom: 1rem;
}
footer .column h4 {
  margin-bottom: 0.5rem;
  color: #0AE76F;
}
footer .column ul {
  list-style: none;
  padding: 0;
}
footer .column ul li {
  margin-bottom: 0.3rem;
}
footer .column ul li a {
  color: #788fa1;
  text-decoration: none;
  transition: color 0.3s;
}
footer .column ul li a:hover {
  color: #0AE76F;
}
footer .bottom {
  text-align: center;
  margin-top: 2rem;
  color: #44627b;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.4rem;
  }
  .hero p {
    font-size: 1rem;
  }
  .text, .image {
    flex: 1 1 100%;
  }
}