@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
  --primary-red: #E63946;
  --primary-red-dark: #C1121F;
  --sustain-green: #2A9D8F;
  --water-blue: #0077B6;
  
  --bg-color: #F8F9FA;
  --surface-color: #FFFFFF;
  --text-dark: #2B2D42;
  --text-light: #8D99AE;
  --white: #FFFFFF;

  --font-main: 'Inter', sans-serif;
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
  --radius: 12px;
  --transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }

p {
  margin-bottom: 1rem;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background-color: var(--primary-red);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(230, 57, 70, 0.4);
}

.btn-primary:hover {
  background-color: var(--primary-red-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230, 57, 70, 0.6);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-red);
  border: 2px solid var(--primary-red);
}

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

header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  padding: 15px 0;
  transition: all 0.3s ease;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo span {
  color: var(--primary-red);
}

nav {
  display: flex;
  gap: 30px;
  align-items: center;
}

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

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

.menu-btn {
  display: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--text-dark);
}

@media (max-width: 768px) {
  nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    background: var(--surface-color);
    padding: 20px;
    box-shadow: var(--shadow-sm);
  }
  
  nav.open {
    display: flex;
  }
  
  .menu-btn {
    display: block;
  }
}

.hero {
  height: 100vh;
  min-height: 600px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  color: var(--white);
  padding-top: 80px;
}

.hero-content {
  max-width: 800px;
}

.badge {
  background: var(--sustain-green);
  color: var(--white);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-block;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 20px;
  line-height: 1.1;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 40px;
  opacity: 0.9;
}

.hero-actions {
  display: flex;
  gap: 20px;
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .hero-actions { flex-direction: column; }
}

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